java -Xmx8000000000 -jar ./plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata ./data -tc ../../../trunk/examples/toolchains/AutomizerBpl.xml --generate-csv --csv-dir csv -s ../../../trunk/examples/programs/regression/bpl/AutomizerBpl-nestedInterpolants.epf -i ../../../trunk/examples/programs/20170304-DifficultPathPrograms/phases1.i_3.bpl -------------------------------------------------------------------------------- This is Ultimate 0.1.23-935f392 [2018-07-23 13:49:40,848 INFO L170 SettingsManager]: Resetting all preferences to default values... [2018-07-23 13:49:40,852 INFO L174 SettingsManager]: Resetting UltimateCore preferences to default values [2018-07-23 13:49:40,873 INFO L177 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2018-07-23 13:49:40,874 INFO L174 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2018-07-23 13:49:40,875 INFO L174 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2018-07-23 13:49:40,877 INFO L174 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2018-07-23 13:49:40,880 INFO L174 SettingsManager]: Resetting LassoRanker preferences to default values [2018-07-23 13:49:40,884 INFO L174 SettingsManager]: Resetting Reaching Definitions preferences to default values [2018-07-23 13:49:40,885 INFO L174 SettingsManager]: Resetting SyntaxChecker preferences to default values [2018-07-23 13:49:40,888 INFO L177 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2018-07-23 13:49:40,889 INFO L174 SettingsManager]: Resetting LTL2Aut preferences to default values [2018-07-23 13:49:40,890 INFO L174 SettingsManager]: Resetting PEA to Boogie preferences to default values [2018-07-23 13:49:40,892 INFO L174 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2018-07-23 13:49:40,897 INFO L174 SettingsManager]: Resetting ChcToBoogie preferences to default values [2018-07-23 13:49:40,901 INFO L174 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2018-07-23 13:49:40,902 INFO L174 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2018-07-23 13:49:40,907 INFO L174 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2018-07-23 13:49:40,912 INFO L174 SettingsManager]: Resetting CodeCheck preferences to default values [2018-07-23 13:49:40,914 INFO L174 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2018-07-23 13:49:40,918 INFO L174 SettingsManager]: Resetting RCFGBuilder preferences to default values [2018-07-23 13:49:40,919 INFO L174 SettingsManager]: Resetting TraceAbstraction preferences to default values [2018-07-23 13:49:40,922 INFO L177 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2018-07-23 13:49:40,923 INFO L177 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2018-07-23 13:49:40,923 INFO L174 SettingsManager]: Resetting TreeAutomizer preferences to default values [2018-07-23 13:49:40,924 INFO L174 SettingsManager]: Resetting IcfgTransformer preferences to default values [2018-07-23 13:49:40,926 INFO L174 SettingsManager]: Resetting Boogie Printer preferences to default values [2018-07-23 13:49:40,927 INFO L174 SettingsManager]: Resetting ReqPrinter preferences to default values [2018-07-23 13:49:40,929 INFO L174 SettingsManager]: Resetting Witness Printer preferences to default values [2018-07-23 13:49:40,932 INFO L177 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2018-07-23 13:49:40,932 INFO L174 SettingsManager]: Resetting CDTParser preferences to default values [2018-07-23 13:49:40,933 INFO L177 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... 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[2018-07-23 13:49:40,938 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 13:49:40,965 INFO L110 SettingsManager]: Loading preferences was successful [2018-07-23 13:49:40,965 INFO L112 SettingsManager]: Preferences different from defaults after loading the file: [2018-07-23 13:49:40,967 INFO L131 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2018-07-23 13:49:40,967 INFO L133 SettingsManager]: * SMT solver=Internal_SMTInterpol [2018-07-23 13:49:40,967 INFO L131 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2018-07-23 13:49:40,968 INFO L133 SettingsManager]: * Compute Interpolants along a Counterexample=Craig_NestedInterpolation [2018-07-23 13:49:40,968 INFO L133 SettingsManager]: * Use separate solver for trace checks=false [2018-07-23 13:49:40,968 INFO L133 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2018-07-23 13:49:41,037 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2018-07-23 13:49:41,056 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2018-07-23 13:49:41,061 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2018-07-23 13:49:41,063 INFO L271 PluginConnector]: Initializing Boogie PL CUP Parser... [2018-07-23 13:49:41,063 INFO L276 PluginConnector]: Boogie PL CUP Parser initialized [2018-07-23 13:49:41,064 INFO L418 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/programs/20170304-DifficultPathPrograms/phases1.i_3.bpl [2018-07-23 13:49:41,065 INFO L111 BoogieParser]: Parsing: '/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/programs/20170304-DifficultPathPrograms/phases1.i_3.bpl' [2018-07-23 13:49:41,124 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2018-07-23 13:49:41,126 INFO L131 ToolchainWalker]: Walking toolchain with 3 elements. [2018-07-23 13:49:41,127 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2018-07-23 13:49:41,127 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2018-07-23 13:49:41,127 INFO L276 PluginConnector]: Boogie Preprocessor initialized [2018-07-23 13:49:41,155 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "phases1.i_3.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 23.07 01:49:41" (1/1) ... [2018-07-23 13:49:41,157 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "phases1.i_3.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 23.07 01:49:41" (1/1) ... [2018-07-23 13:49:41,168 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "phases1.i_3.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 23.07 01:49:41" (1/1) ... [2018-07-23 13:49:41,168 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "phases1.i_3.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 23.07 01:49:41" (1/1) ... [2018-07-23 13:49:41,172 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "phases1.i_3.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 23.07 01:49:41" (1/1) ... [2018-07-23 13:49:41,174 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "phases1.i_3.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 23.07 01:49:41" (1/1) ... [2018-07-23 13:49:41,175 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "phases1.i_3.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 23.07 01:49:41" (1/1) ... [2018-07-23 13:49:41,177 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2018-07-23 13:49:41,179 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2018-07-23 13:49:41,179 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2018-07-23 13:49:41,179 INFO L276 PluginConnector]: RCFGBuilder initialized [2018-07-23 13:49:41,180 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "phases1.i_3.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 23.07 01:49:41" (1/1) ... [2018-07-23 13:49:41,256 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2018-07-23 13:49:41,256 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2018-07-23 13:49:41,403 INFO L261 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2018-07-23 13:49:41,404 INFO L202 PluginConnector]: Adding new model phases1.i_3.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.07 01:49:41 BoogieIcfgContainer [2018-07-23 13:49:41,404 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2018-07-23 13:49:41,405 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2018-07-23 13:49:41,406 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2018-07-23 13:49:41,409 INFO L276 PluginConnector]: TraceAbstraction initialized [2018-07-23 13:49:41,409 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "phases1.i_3.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 23.07 01:49:41" (1/2) ... [2018-07-23 13:49:41,411 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@685757bd and model type phases1.i_3.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 23.07 01:49:41, skipping insertion in model container [2018-07-23 13:49:41,411 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "phases1.i_3.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.07 01:49:41" (2/2) ... [2018-07-23 13:49:41,414 INFO L112 eAbstractionObserver]: Analyzing ICFG phases1.i_3.bpl [2018-07-23 13:49:41,424 INFO L132 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:Craig_NestedInterpolation Determinization: PREDICATE_ABSTRACTION [2018-07-23 13:49:41,433 INFO L144 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2018-07-23 13:49:41,484 INFO L128 ementStrategyFactory]: Using default assertion order modulation [2018-07-23 13:49:41,485 INFO L373 AbstractCegarLoop]: Interprodecural is true [2018-07-23 13:49:41,485 INFO L374 AbstractCegarLoop]: Hoare is true [2018-07-23 13:49:41,485 INFO L375 AbstractCegarLoop]: Compute interpolants for Craig_NestedInterpolation [2018-07-23 13:49:41,485 INFO L376 AbstractCegarLoop]: Backedges is CANONICAL [2018-07-23 13:49:41,486 INFO L377 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2018-07-23 13:49:41,486 INFO L378 AbstractCegarLoop]: Difference is false [2018-07-23 13:49:41,486 INFO L379 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2018-07-23 13:49:41,486 INFO L384 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2018-07-23 13:49:41,502 INFO L276 IsEmpty]: Start isEmpty. Operand 6 states. [2018-07-23 13:49:41,512 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2018-07-23 13:49:41,512 INFO L349 BasicCegarLoop]: Found error trace [2018-07-23 13:49:41,513 INFO L357 BasicCegarLoop]: trace histogram [1, 1, 1, 1] [2018-07-23 13:49:41,514 INFO L414 AbstractCegarLoop]: === Iteration 1 === [ULTIMATE.startErr0AssertViolationASSERT]=== [2018-07-23 13:49:41,520 INFO L82 PathProgramCache]: Analyzing trace with hash 925639, now seen corresponding path program 1 times [2018-07-23 13:49:41,527 INFO L69 tionRefinementEngine]: Using refinement strategy FixedRefinementStrategy [2018-07-23 13:49:41,553 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-07-23 13:49:41,618 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-07-23 13:49:41,621 INFO L309 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-07-23 13:49:41,621 INFO L324 seRefinementStrategy]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2018-07-23 13:49:41,623 INFO L142 lantAutomatonBuilder]: Constructing canonical interpolant automaton, with selfloop in false state [2018-07-23 13:49:41,623 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-07-23 13:49:41,623 INFO L185 omatonBuilderFactory]: Interpolants [9#true, 10#false, 11#(and (<= ULTIMATE.start_main_~x~4 0) (<= 0 ULTIMATE.start_main_~x~4))] [2018-07-23 13:49:41,623 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-07-23 13:49:41,624 INFO L450 AbstractCegarLoop]: Interpolant automaton has 3 states [2018-07-23 13:49:41,642 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2018-07-23 13:49:41,643 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2018-07-23 13:49:41,646 INFO L87 Difference]: Start difference. First operand 6 states. Second operand 3 states. [2018-07-23 13:49:41,682 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-07-23 13:49:41,683 INFO L93 Difference]: Finished difference Result 10 states and 11 transitions. [2018-07-23 13:49:41,684 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2018-07-23 13:49:41,685 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 4 [2018-07-23 13:49:41,686 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-07-23 13:49:41,696 INFO L225 Difference]: With dead ends: 10 [2018-07-23 13:49:41,696 INFO L226 Difference]: Without dead ends: 7 [2018-07-23 13:49:41,707 INFO L575 BasicCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2018-07-23 13:49:41,729 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 7 states. [2018-07-23 13:49:41,748 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 7 to 7. [2018-07-23 13:49:41,750 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 7 states. [2018-07-23 13:49:41,751 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 7 states to 7 states and 7 transitions. [2018-07-23 13:49:41,752 INFO L78 Accepts]: Start accepts. Automaton has 7 states and 7 transitions. Word has length 4 [2018-07-23 13:49:41,752 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-07-23 13:49:41,753 INFO L471 AbstractCegarLoop]: Abstraction has 7 states and 7 transitions. [2018-07-23 13:49:41,753 INFO L472 AbstractCegarLoop]: Interpolant automaton has 3 states. [2018-07-23 13:49:41,753 INFO L276 IsEmpty]: Start isEmpty. Operand 7 states and 7 transitions. [2018-07-23 13:49:41,753 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 7 [2018-07-23 13:49:41,754 INFO L349 BasicCegarLoop]: Found error trace [2018-07-23 13:49:41,754 INFO L357 BasicCegarLoop]: trace histogram [2, 1, 1, 1, 1] [2018-07-23 13:49:41,754 INFO L414 AbstractCegarLoop]: === Iteration 2 === [ULTIMATE.startErr0AssertViolationASSERT]=== [2018-07-23 13:49:41,755 INFO L82 PathProgramCache]: Analyzing trace with hash 889591169, now seen corresponding path program 1 times [2018-07-23 13:49:41,755 INFO L69 tionRefinementEngine]: Using refinement strategy FixedRefinementStrategy [2018-07-23 13:49:41,769 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-07-23 13:49:41,825 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 13:49:41,828 INFO L309 seRefinementStrategy]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2018-07-23 13:49:41,828 INFO L324 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [3] total 3 [2018-07-23 13:49:41,828 INFO L142 lantAutomatonBuilder]: Constructing canonical interpolant automaton, with selfloop in false state [2018-07-23 13:49:41,828 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-07-23 13:49:41,829 INFO L185 omatonBuilderFactory]: Interpolants [48#(and (<= ULTIMATE.start_main_~x~4 0) (<= 0 ULTIMATE.start_main_~x~4)), 49#(and (<= ULTIMATE.start_main_~x~4 1) (<= 1 ULTIMATE.start_main_~x~4)), 46#true, 47#false] [2018-07-23 13:49:41,829 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 13:49:41,831 INFO L450 AbstractCegarLoop]: Interpolant automaton has 4 states [2018-07-23 13:49:41,832 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2018-07-23 13:49:41,832 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2018-07-23 13:49:41,832 INFO L87 Difference]: Start difference. First operand 7 states and 7 transitions. Second operand 4 states. [2018-07-23 13:49:41,855 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-07-23 13:49:41,855 INFO L93 Difference]: Finished difference Result 11 states and 11 transitions. [2018-07-23 13:49:41,856 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2018-07-23 13:49:41,856 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 6 [2018-07-23 13:49:41,857 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-07-23 13:49:41,857 INFO L225 Difference]: With dead ends: 11 [2018-07-23 13:49:41,857 INFO L226 Difference]: Without dead ends: 9 [2018-07-23 13:49:41,859 INFO L575 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2018-07-23 13:49:41,859 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 9 states. [2018-07-23 13:49:41,862 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 9 to 9. [2018-07-23 13:49:41,862 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 9 states. [2018-07-23 13:49:41,863 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 9 states to 9 states and 9 transitions. [2018-07-23 13:49:41,863 INFO L78 Accepts]: Start accepts. Automaton has 9 states and 9 transitions. Word has length 6 [2018-07-23 13:49:41,864 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-07-23 13:49:41,864 INFO L471 AbstractCegarLoop]: Abstraction has 9 states and 9 transitions. [2018-07-23 13:49:41,864 INFO L472 AbstractCegarLoop]: Interpolant automaton has 4 states. [2018-07-23 13:49:41,864 INFO L276 IsEmpty]: Start isEmpty. Operand 9 states and 9 transitions. [2018-07-23 13:49:41,864 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 9 [2018-07-23 13:49:41,865 INFO L349 BasicCegarLoop]: Found error trace [2018-07-23 13:49:41,865 INFO L357 BasicCegarLoop]: trace histogram [3, 2, 1, 1, 1] [2018-07-23 13:49:41,865 INFO L414 AbstractCegarLoop]: === Iteration 3 === [ULTIMATE.startErr0AssertViolationASSERT]=== [2018-07-23 13:49:41,866 INFO L82 PathProgramCache]: Analyzing trace with hash 198673595, now seen corresponding path program 2 times [2018-07-23 13:49:41,866 INFO L69 tionRefinementEngine]: Using refinement strategy FixedRefinementStrategy [2018-07-23 13:49:41,875 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-07-23 13:49:41,923 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 13:49:41,924 INFO L309 seRefinementStrategy]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2018-07-23 13:49:41,924 INFO L324 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [4] total 4 [2018-07-23 13:49:41,924 INFO L142 lantAutomatonBuilder]: Constructing canonical interpolant automaton, with selfloop in false state [2018-07-23 13:49:41,925 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-07-23 13:49:41,925 INFO L185 omatonBuilderFactory]: Interpolants [90#true, 91#false, 92#(and (<= ULTIMATE.start_main_~x~4 0) (<= 0 ULTIMATE.start_main_~x~4)), 93#(and (<= ULTIMATE.start_main_~x~4 1) (<= 1 ULTIMATE.start_main_~x~4)), 94#(and (<= 2 ULTIMATE.start_main_~x~4) (<= ULTIMATE.start_main_~x~4 2))] [2018-07-23 13:49:41,927 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 13:49:41,928 INFO L450 AbstractCegarLoop]: Interpolant automaton has 5 states [2018-07-23 13:49:41,928 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2018-07-23 13:49:41,928 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2018-07-23 13:49:41,929 INFO L87 Difference]: Start difference. First operand 9 states and 9 transitions. Second operand 5 states. [2018-07-23 13:49:41,986 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-07-23 13:49:41,986 INFO L93 Difference]: Finished difference Result 13 states and 13 transitions. [2018-07-23 13:49:41,990 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2018-07-23 13:49:41,990 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 8 [2018-07-23 13:49:41,991 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-07-23 13:49:41,991 INFO L225 Difference]: With dead ends: 13 [2018-07-23 13:49:41,991 INFO L226 Difference]: Without dead ends: 11 [2018-07-23 13:49:41,992 INFO L575 BasicCegarLoop]: 0 DeclaredPredicates, 4 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2018-07-23 13:49:41,992 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 11 states. [2018-07-23 13:49:41,995 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 11 to 11. [2018-07-23 13:49:41,996 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 11 states. [2018-07-23 13:49:41,996 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 11 states to 11 states and 11 transitions. [2018-07-23 13:49:41,997 INFO L78 Accepts]: Start accepts. Automaton has 11 states and 11 transitions. Word has length 8 [2018-07-23 13:49:41,997 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-07-23 13:49:41,997 INFO L471 AbstractCegarLoop]: Abstraction has 11 states and 11 transitions. [2018-07-23 13:49:41,997 INFO L472 AbstractCegarLoop]: Interpolant automaton has 5 states. [2018-07-23 13:49:41,997 INFO L276 IsEmpty]: Start isEmpty. Operand 11 states and 11 transitions. [2018-07-23 13:49:41,998 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 11 [2018-07-23 13:49:41,998 INFO L349 BasicCegarLoop]: Found error trace [2018-07-23 13:49:41,998 INFO L357 BasicCegarLoop]: trace histogram [4, 3, 1, 1, 1] [2018-07-23 13:49:41,998 INFO L414 AbstractCegarLoop]: === Iteration 4 === [ULTIMATE.startErr0AssertViolationASSERT]=== [2018-07-23 13:49:41,999 INFO L82 PathProgramCache]: Analyzing trace with hash 1946815861, now seen corresponding path program 3 times [2018-07-23 13:49:41,999 INFO L69 tionRefinementEngine]: Using refinement strategy FixedRefinementStrategy [2018-07-23 13:49:42,008 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-07-23 13:49:42,097 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 13:49:42,098 INFO L309 seRefinementStrategy]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2018-07-23 13:49:42,098 INFO L324 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [5] total 5 [2018-07-23 13:49:42,098 INFO L142 lantAutomatonBuilder]: Constructing canonical interpolant automaton, with selfloop in false state [2018-07-23 13:49:42,100 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-07-23 13:49:42,100 INFO L185 omatonBuilderFactory]: Interpolants [144#false, 145#(and (<= ULTIMATE.start_main_~x~4 0) (<= 0 ULTIMATE.start_main_~x~4)), 146#(and (<= ULTIMATE.start_main_~x~4 1) (<= 1 ULTIMATE.start_main_~x~4)), 147#(and (<= 2 ULTIMATE.start_main_~x~4) (<= ULTIMATE.start_main_~x~4 2)), 148#(and (<= 3 ULTIMATE.start_main_~x~4) (<= ULTIMATE.start_main_~x~4 3)), 143#true] [2018-07-23 13:49:42,101 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 13:49:42,101 INFO L450 AbstractCegarLoop]: Interpolant automaton has 6 states [2018-07-23 13:49:42,103 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2018-07-23 13:49:42,103 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2018-07-23 13:49:42,104 INFO L87 Difference]: Start difference. First operand 11 states and 11 transitions. Second operand 6 states. [2018-07-23 13:49:42,159 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-07-23 13:49:42,159 INFO L93 Difference]: Finished difference Result 15 states and 15 transitions. [2018-07-23 13:49:42,160 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2018-07-23 13:49:42,160 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 10 [2018-07-23 13:49:42,160 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-07-23 13:49:42,161 INFO L225 Difference]: With dead ends: 15 [2018-07-23 13:49:42,161 INFO L226 Difference]: Without dead ends: 13 [2018-07-23 13:49:42,162 INFO L575 BasicCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2018-07-23 13:49:42,162 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 13 states. [2018-07-23 13:49:42,165 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 13 to 13. [2018-07-23 13:49:42,166 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 13 states. [2018-07-23 13:49:42,166 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 13 states to 13 states and 13 transitions. [2018-07-23 13:49:42,167 INFO L78 Accepts]: Start accepts. Automaton has 13 states and 13 transitions. Word has length 10 [2018-07-23 13:49:42,167 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-07-23 13:49:42,167 INFO L471 AbstractCegarLoop]: Abstraction has 13 states and 13 transitions. [2018-07-23 13:49:42,167 INFO L472 AbstractCegarLoop]: Interpolant automaton has 6 states. [2018-07-23 13:49:42,168 INFO L276 IsEmpty]: Start isEmpty. Operand 13 states and 13 transitions. [2018-07-23 13:49:42,168 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2018-07-23 13:49:42,168 INFO L349 BasicCegarLoop]: Found error trace [2018-07-23 13:49:42,168 INFO L357 BasicCegarLoop]: trace histogram [5, 4, 1, 1, 1] [2018-07-23 13:49:42,169 INFO L414 AbstractCegarLoop]: === Iteration 5 === [ULTIMATE.startErr0AssertViolationASSERT]=== [2018-07-23 13:49:42,169 INFO L82 PathProgramCache]: Analyzing trace with hash -1715646545, now seen corresponding path program 4 times [2018-07-23 13:49:42,169 INFO L69 tionRefinementEngine]: Using refinement strategy FixedRefinementStrategy [2018-07-23 13:49:42,176 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-07-23 13:49:42,219 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 13:49:42,220 INFO L309 seRefinementStrategy]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2018-07-23 13:49:42,220 INFO L324 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [6] total 6 [2018-07-23 13:49:42,220 INFO L142 lantAutomatonBuilder]: Constructing canonical interpolant automaton, with selfloop in false state [2018-07-23 13:49:42,221 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-07-23 13:49:42,221 INFO L185 omatonBuilderFactory]: Interpolants [208#(and (<= ULTIMATE.start_main_~x~4 1) (<= 1 ULTIMATE.start_main_~x~4)), 209#(and (<= 2 ULTIMATE.start_main_~x~4) (<= ULTIMATE.start_main_~x~4 2)), 210#(and (<= 3 ULTIMATE.start_main_~x~4) (<= ULTIMATE.start_main_~x~4 3)), 211#(and (<= ULTIMATE.start_main_~x~4 4) (<= 4 ULTIMATE.start_main_~x~4)), 205#true, 206#false, 207#(and (<= ULTIMATE.start_main_~x~4 0) (<= 0 ULTIMATE.start_main_~x~4))] [2018-07-23 13:49:42,221 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 13:49:42,222 INFO L450 AbstractCegarLoop]: Interpolant automaton has 7 states [2018-07-23 13:49:42,222 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2018-07-23 13:49:42,222 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=31, Unknown=0, NotChecked=0, Total=42 [2018-07-23 13:49:42,223 INFO L87 Difference]: Start difference. First operand 13 states and 13 transitions. Second operand 7 states. [2018-07-23 13:49:42,257 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-07-23 13:49:42,258 INFO L93 Difference]: Finished difference Result 17 states and 17 transitions. [2018-07-23 13:49:42,258 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2018-07-23 13:49:42,258 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 12 [2018-07-23 13:49:42,259 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-07-23 13:49:42,259 INFO L225 Difference]: With dead ends: 17 [2018-07-23 13:49:42,259 INFO L226 Difference]: Without dead ends: 15 [2018-07-23 13:49:42,260 INFO L575 BasicCegarLoop]: 0 DeclaredPredicates, 6 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=11, Invalid=31, Unknown=0, NotChecked=0, Total=42 [2018-07-23 13:49:42,260 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 15 states. [2018-07-23 13:49:42,265 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 15 to 15. [2018-07-23 13:49:42,265 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 15 states. [2018-07-23 13:49:42,266 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 15 states to 15 states and 15 transitions. [2018-07-23 13:49:42,266 INFO L78 Accepts]: Start accepts. Automaton has 15 states and 15 transitions. Word has length 12 [2018-07-23 13:49:42,266 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-07-23 13:49:42,267 INFO L471 AbstractCegarLoop]: Abstraction has 15 states and 15 transitions. [2018-07-23 13:49:42,267 INFO L472 AbstractCegarLoop]: Interpolant automaton has 7 states. [2018-07-23 13:49:42,267 INFO L276 IsEmpty]: Start isEmpty. Operand 15 states and 15 transitions. [2018-07-23 13:49:42,268 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 15 [2018-07-23 13:49:42,268 INFO L349 BasicCegarLoop]: Found error trace [2018-07-23 13:49:42,268 INFO L357 BasicCegarLoop]: trace histogram [6, 5, 1, 1, 1] [2018-07-23 13:49:42,268 INFO L414 AbstractCegarLoop]: === Iteration 6 === [ULTIMATE.startErr0AssertViolationASSERT]=== [2018-07-23 13:49:42,269 INFO L82 PathProgramCache]: Analyzing trace with hash 531164009, now seen corresponding path program 5 times [2018-07-23 13:49:42,269 INFO L69 tionRefinementEngine]: Using refinement strategy FixedRefinementStrategy [2018-07-23 13:49:42,276 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-07-23 13:49:42,325 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 13:49:42,326 INFO L309 seRefinementStrategy]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2018-07-23 13:49:42,326 INFO L324 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [7] total 7 [2018-07-23 13:49:42,326 INFO L142 lantAutomatonBuilder]: Constructing canonical interpolant automaton, with selfloop in false state [2018-07-23 13:49:42,327 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-07-23 13:49:42,327 INFO L185 omatonBuilderFactory]: Interpolants [276#true, 277#false, 278#(and (<= ULTIMATE.start_main_~x~4 0) (<= 0 ULTIMATE.start_main_~x~4)), 279#(and (<= ULTIMATE.start_main_~x~4 1) (<= 1 ULTIMATE.start_main_~x~4)), 280#(and (<= 2 ULTIMATE.start_main_~x~4) (<= ULTIMATE.start_main_~x~4 2)), 281#(and (<= 3 ULTIMATE.start_main_~x~4) (<= ULTIMATE.start_main_~x~4 3)), 282#(and (<= ULTIMATE.start_main_~x~4 4) (<= 4 ULTIMATE.start_main_~x~4)), 283#(and (<= ULTIMATE.start_main_~x~4 5) (<= 5 ULTIMATE.start_main_~x~4))] [2018-07-23 13:49:42,328 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 13:49:42,328 INFO L450 AbstractCegarLoop]: Interpolant automaton has 8 states [2018-07-23 13:49:42,328 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2018-07-23 13:49:42,329 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=13, Invalid=43, Unknown=0, NotChecked=0, Total=56 [2018-07-23 13:49:42,329 INFO L87 Difference]: Start difference. First operand 15 states and 15 transitions. Second operand 8 states. [2018-07-23 13:49:42,369 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-07-23 13:49:42,369 INFO L93 Difference]: Finished difference Result 19 states and 19 transitions. [2018-07-23 13:49:42,370 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2018-07-23 13:49:42,370 INFO L78 Accepts]: Start accepts. Automaton has 8 states. Word has length 14 [2018-07-23 13:49:42,371 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-07-23 13:49:42,371 INFO L225 Difference]: With dead ends: 19 [2018-07-23 13:49:42,371 INFO L226 Difference]: Without dead ends: 17 [2018-07-23 13:49:42,372 INFO L575 BasicCegarLoop]: 0 DeclaredPredicates, 7 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=13, Invalid=43, Unknown=0, NotChecked=0, Total=56 [2018-07-23 13:49:42,372 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 17 states. [2018-07-23 13:49:42,377 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 17 to 17. [2018-07-23 13:49:42,378 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 17 states. [2018-07-23 13:49:42,378 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 17 states to 17 states and 17 transitions. [2018-07-23 13:49:42,379 INFO L78 Accepts]: Start accepts. Automaton has 17 states and 17 transitions. Word has length 14 [2018-07-23 13:49:42,379 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-07-23 13:49:42,379 INFO L471 AbstractCegarLoop]: Abstraction has 17 states and 17 transitions. [2018-07-23 13:49:42,379 INFO L472 AbstractCegarLoop]: Interpolant automaton has 8 states. [2018-07-23 13:49:42,380 INFO L276 IsEmpty]: Start isEmpty. Operand 17 states and 17 transitions. [2018-07-23 13:49:42,380 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 17 [2018-07-23 13:49:42,380 INFO L349 BasicCegarLoop]: Found error trace [2018-07-23 13:49:42,381 INFO L357 BasicCegarLoop]: trace histogram [7, 6, 1, 1, 1] [2018-07-23 13:49:42,381 INFO L414 AbstractCegarLoop]: === Iteration 7 === [ULTIMATE.startErr0AssertViolationASSERT]=== [2018-07-23 13:49:42,381 INFO L82 PathProgramCache]: Analyzing trace with hash -652443485, now seen corresponding path program 6 times [2018-07-23 13:49:42,382 INFO L69 tionRefinementEngine]: Using refinement strategy FixedRefinementStrategy [2018-07-23 13:49:42,389 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-07-23 13:49:42,440 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 13:49:42,441 INFO L309 seRefinementStrategy]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2018-07-23 13:49:42,441 INFO L324 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [8] total 8 [2018-07-23 13:49:42,441 INFO L142 lantAutomatonBuilder]: Constructing canonical interpolant automaton, with selfloop in false state [2018-07-23 13:49:42,442 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 13:49:42,442 INFO L185 omatonBuilderFactory]: Interpolants [356#true, 357#false, 358#(and (<= ULTIMATE.start_main_~x~4 0) (<= 0 ULTIMATE.start_main_~x~4)), 359#(and (<= ULTIMATE.start_main_~x~4 1) (<= 1 ULTIMATE.start_main_~x~4)), 360#(and (<= 2 ULTIMATE.start_main_~x~4) (<= ULTIMATE.start_main_~x~4 2)), 361#(and (<= 3 ULTIMATE.start_main_~x~4) (<= ULTIMATE.start_main_~x~4 3)), 362#(and (<= ULTIMATE.start_main_~x~4 4) (<= 4 ULTIMATE.start_main_~x~4)), 363#(and (<= ULTIMATE.start_main_~x~4 5) (<= 5 ULTIMATE.start_main_~x~4)), 364#(and (<= 6 ULTIMATE.start_main_~x~4) (<= ULTIMATE.start_main_~x~4 6))] [2018-07-23 13:49:42,443 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 13:49:42,443 INFO L450 AbstractCegarLoop]: Interpolant automaton has 9 states [2018-07-23 13:49:42,443 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2018-07-23 13:49:42,444 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=57, Unknown=0, NotChecked=0, Total=72 [2018-07-23 13:49:42,444 INFO L87 Difference]: Start difference. First operand 17 states and 17 transitions. Second operand 9 states. [2018-07-23 13:49:42,513 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-07-23 13:49:42,513 INFO L93 Difference]: Finished difference Result 21 states and 21 transitions. [2018-07-23 13:49:42,515 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2018-07-23 13:49:42,516 INFO L78 Accepts]: Start accepts. Automaton has 9 states. Word has length 16 [2018-07-23 13:49:42,516 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-07-23 13:49:42,517 INFO L225 Difference]: With dead ends: 21 [2018-07-23 13:49:42,517 INFO L226 Difference]: Without dead ends: 19 [2018-07-23 13:49:42,518 INFO L575 BasicCegarLoop]: 0 DeclaredPredicates, 8 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=15, Invalid=57, Unknown=0, NotChecked=0, Total=72 [2018-07-23 13:49:42,521 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 19 states. [2018-07-23 13:49:42,529 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 19 to 19. [2018-07-23 13:49:42,531 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 19 states. [2018-07-23 13:49:42,532 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 19 states to 19 states and 19 transitions. [2018-07-23 13:49:42,532 INFO L78 Accepts]: Start accepts. Automaton has 19 states and 19 transitions. Word has length 16 [2018-07-23 13:49:42,533 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-07-23 13:49:42,533 INFO L471 AbstractCegarLoop]: Abstraction has 19 states and 19 transitions. [2018-07-23 13:49:42,533 INFO L472 AbstractCegarLoop]: Interpolant automaton has 9 states. [2018-07-23 13:49:42,534 INFO L276 IsEmpty]: Start isEmpty. Operand 19 states and 19 transitions. [2018-07-23 13:49:42,534 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2018-07-23 13:49:42,536 INFO L349 BasicCegarLoop]: Found error trace [2018-07-23 13:49:42,536 INFO L357 BasicCegarLoop]: trace histogram [8, 7, 1, 1, 1] [2018-07-23 13:49:42,537 INFO L414 AbstractCegarLoop]: === Iteration 8 === [ULTIMATE.startErr0AssertViolationASSERT]=== [2018-07-23 13:49:42,538 INFO L82 PathProgramCache]: Analyzing trace with hash 67088221, now seen corresponding path program 7 times [2018-07-23 13:49:42,538 INFO L69 tionRefinementEngine]: Using refinement strategy FixedRefinementStrategy [2018-07-23 13:49:42,548 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-07-23 13:49:42,649 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 13:49:42,650 INFO L309 seRefinementStrategy]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2018-07-23 13:49:42,651 INFO L324 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [9] total 9 [2018-07-23 13:49:42,651 INFO L142 lantAutomatonBuilder]: Constructing canonical interpolant automaton, with selfloop in false state [2018-07-23 13:49:42,652 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-07-23 13:49:42,652 INFO L185 omatonBuilderFactory]: Interpolants [448#(and (<= ULTIMATE.start_main_~x~4 1) (<= 1 ULTIMATE.start_main_~x~4)), 449#(and (<= 2 ULTIMATE.start_main_~x~4) (<= ULTIMATE.start_main_~x~4 2)), 450#(and (<= 3 ULTIMATE.start_main_~x~4) (<= ULTIMATE.start_main_~x~4 3)), 451#(and (<= ULTIMATE.start_main_~x~4 4) (<= 4 ULTIMATE.start_main_~x~4)), 452#(and (<= ULTIMATE.start_main_~x~4 5) (<= 5 ULTIMATE.start_main_~x~4)), 453#(and (<= 6 ULTIMATE.start_main_~x~4) (<= ULTIMATE.start_main_~x~4 6)), 454#(and (<= ULTIMATE.start_main_~x~4 7) (<= 7 ULTIMATE.start_main_~x~4)), 445#true, 446#false, 447#(and (<= ULTIMATE.start_main_~x~4 0) (<= 0 ULTIMATE.start_main_~x~4))] [2018-07-23 13:49:42,652 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 13:49:42,653 INFO L450 AbstractCegarLoop]: Interpolant automaton has 10 states [2018-07-23 13:49:42,653 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2018-07-23 13:49:42,654 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=17, Invalid=73, Unknown=0, NotChecked=0, Total=90 [2018-07-23 13:49:42,654 INFO L87 Difference]: Start difference. First operand 19 states and 19 transitions. Second operand 10 states. [2018-07-23 13:49:42,734 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-07-23 13:49:42,734 INFO L93 Difference]: Finished difference Result 23 states and 23 transitions. [2018-07-23 13:49:42,743 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2018-07-23 13:49:42,744 INFO L78 Accepts]: Start accepts. Automaton has 10 states. Word has length 18 [2018-07-23 13:49:42,744 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-07-23 13:49:42,745 INFO L225 Difference]: With dead ends: 23 [2018-07-23 13:49:42,745 INFO L226 Difference]: Without dead ends: 21 [2018-07-23 13:49:42,746 INFO L575 BasicCegarLoop]: 0 DeclaredPredicates, 9 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=17, Invalid=73, Unknown=0, NotChecked=0, Total=90 [2018-07-23 13:49:42,746 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 21 states. [2018-07-23 13:49:42,754 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 21 to 21. [2018-07-23 13:49:42,755 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 21 states. [2018-07-23 13:49:42,755 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 21 states to 21 states and 21 transitions. [2018-07-23 13:49:42,756 INFO L78 Accepts]: Start accepts. Automaton has 21 states and 21 transitions. Word has length 18 [2018-07-23 13:49:42,756 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-07-23 13:49:42,756 INFO L471 AbstractCegarLoop]: Abstraction has 21 states and 21 transitions. [2018-07-23 13:49:42,758 INFO L472 AbstractCegarLoop]: Interpolant automaton has 10 states. [2018-07-23 13:49:42,758 INFO L276 IsEmpty]: Start isEmpty. Operand 21 states and 21 transitions. [2018-07-23 13:49:42,759 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 21 [2018-07-23 13:49:42,762 INFO L349 BasicCegarLoop]: Found error trace [2018-07-23 13:49:42,763 INFO L357 BasicCegarLoop]: trace histogram [9, 8, 1, 1, 1] [2018-07-23 13:49:42,763 INFO L414 AbstractCegarLoop]: === Iteration 9 === [ULTIMATE.startErr0AssertViolationASSERT]=== [2018-07-23 13:49:42,763 INFO L82 PathProgramCache]: Analyzing trace with hash 47323031, now seen corresponding path program 8 times [2018-07-23 13:49:42,764 INFO L69 tionRefinementEngine]: Using refinement strategy FixedRefinementStrategy [2018-07-23 13:49:42,773 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-07-23 13:49:42,867 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 13:49:42,867 INFO L309 seRefinementStrategy]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2018-07-23 13:49:42,868 INFO L324 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [10] total 10 [2018-07-23 13:49:42,868 INFO L142 lantAutomatonBuilder]: Constructing canonical interpolant automaton, with selfloop in false state [2018-07-23 13:49:42,871 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-07-23 13:49:42,871 INFO L185 omatonBuilderFactory]: Interpolants [544#false, 545#(and (<= ULTIMATE.start_main_~x~4 0) (<= 0 ULTIMATE.start_main_~x~4)), 546#(and (<= ULTIMATE.start_main_~x~4 1) (<= 1 ULTIMATE.start_main_~x~4)), 547#(and (<= 2 ULTIMATE.start_main_~x~4) (<= ULTIMATE.start_main_~x~4 2)), 548#(and (<= 3 ULTIMATE.start_main_~x~4) (<= ULTIMATE.start_main_~x~4 3)), 549#(and (<= ULTIMATE.start_main_~x~4 4) (<= 4 ULTIMATE.start_main_~x~4)), 550#(and (<= ULTIMATE.start_main_~x~4 5) (<= 5 ULTIMATE.start_main_~x~4)), 551#(and (<= 6 ULTIMATE.start_main_~x~4) (<= ULTIMATE.start_main_~x~4 6)), 552#(and (<= ULTIMATE.start_main_~x~4 7) (<= 7 ULTIMATE.start_main_~x~4)), 553#(and (<= ULTIMATE.start_main_~x~4 8) (<= 8 ULTIMATE.start_main_~x~4)), 543#true] [2018-07-23 13:49:42,872 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 13:49:42,872 INFO L450 AbstractCegarLoop]: Interpolant automaton has 11 states [2018-07-23 13:49:42,876 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2018-07-23 13:49:42,876 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=19, Invalid=91, Unknown=0, NotChecked=0, Total=110 [2018-07-23 13:49:42,877 INFO L87 Difference]: Start difference. First operand 21 states and 21 transitions. Second operand 11 states. [2018-07-23 13:49:42,928 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-07-23 13:49:42,928 INFO L93 Difference]: Finished difference Result 25 states and 25 transitions. [2018-07-23 13:49:42,929 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2018-07-23 13:49:42,932 INFO L78 Accepts]: Start accepts. Automaton has 11 states. Word has length 20 [2018-07-23 13:49:42,932 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-07-23 13:49:42,933 INFO L225 Difference]: With dead ends: 25 [2018-07-23 13:49:42,933 INFO L226 Difference]: Without dead ends: 23 [2018-07-23 13:49:42,934 INFO L575 BasicCegarLoop]: 0 DeclaredPredicates, 10 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 9 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=19, Invalid=91, Unknown=0, NotChecked=0, Total=110 [2018-07-23 13:49:42,934 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 23 states. [2018-07-23 13:49:42,939 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 23 to 23. [2018-07-23 13:49:42,940 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 23 states. [2018-07-23 13:49:42,941 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 23 states to 23 states and 23 transitions. [2018-07-23 13:49:42,941 INFO L78 Accepts]: Start accepts. Automaton has 23 states and 23 transitions. Word has length 20 [2018-07-23 13:49:42,941 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-07-23 13:49:42,941 INFO L471 AbstractCegarLoop]: Abstraction has 23 states and 23 transitions. [2018-07-23 13:49:42,942 INFO L472 AbstractCegarLoop]: Interpolant automaton has 11 states. [2018-07-23 13:49:42,942 INFO L276 IsEmpty]: Start isEmpty. Operand 23 states and 23 transitions. [2018-07-23 13:49:42,944 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 23 [2018-07-23 13:49:42,944 INFO L349 BasicCegarLoop]: Found error trace [2018-07-23 13:49:42,944 INFO L357 BasicCegarLoop]: trace histogram [10, 9, 1, 1, 1] [2018-07-23 13:49:42,945 INFO L414 AbstractCegarLoop]: === Iteration 10 === [ULTIMATE.startErr0AssertViolationASSERT]=== [2018-07-23 13:49:42,945 INFO L82 PathProgramCache]: Analyzing trace with hash -1767155375, now seen corresponding path program 9 times [2018-07-23 13:49:42,945 INFO L69 tionRefinementEngine]: Using refinement strategy FixedRefinementStrategy [2018-07-23 13:49:42,954 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-07-23 13:49:43,014 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 13:49:43,014 INFO L309 seRefinementStrategy]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2018-07-23 13:49:43,014 INFO L324 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [11] total 11 [2018-07-23 13:49:43,015 INFO L142 lantAutomatonBuilder]: Constructing canonical interpolant automaton, with selfloop in false state [2018-07-23 13:49:43,015 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-07-23 13:49:43,017 INFO L185 omatonBuilderFactory]: Interpolants [656#(and (<= ULTIMATE.start_main_~x~4 4) (<= 4 ULTIMATE.start_main_~x~4)), 657#(and (<= ULTIMATE.start_main_~x~4 5) (<= 5 ULTIMATE.start_main_~x~4)), 658#(and (<= 6 ULTIMATE.start_main_~x~4) (<= ULTIMATE.start_main_~x~4 6)), 659#(and (<= ULTIMATE.start_main_~x~4 7) (<= 7 ULTIMATE.start_main_~x~4)), 660#(and (<= ULTIMATE.start_main_~x~4 8) (<= 8 ULTIMATE.start_main_~x~4)), 661#(and (<= 9 ULTIMATE.start_main_~x~4) (<= ULTIMATE.start_main_~x~4 9)), 650#true, 651#false, 652#(and (<= ULTIMATE.start_main_~x~4 0) (<= 0 ULTIMATE.start_main_~x~4)), 653#(and (<= ULTIMATE.start_main_~x~4 1) (<= 1 ULTIMATE.start_main_~x~4)), 654#(and (<= 2 ULTIMATE.start_main_~x~4) (<= ULTIMATE.start_main_~x~4 2)), 655#(and (<= 3 ULTIMATE.start_main_~x~4) (<= ULTIMATE.start_main_~x~4 3))] [2018-07-23 13:49:43,018 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 13:49:43,018 INFO L450 AbstractCegarLoop]: Interpolant automaton has 12 states [2018-07-23 13:49:43,019 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2018-07-23 13:49:43,019 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=21, Invalid=111, Unknown=0, NotChecked=0, Total=132 [2018-07-23 13:49:43,019 INFO L87 Difference]: Start difference. First operand 23 states and 23 transitions. Second operand 12 states. [2018-07-23 13:49:43,073 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-07-23 13:49:43,073 INFO L93 Difference]: Finished difference Result 27 states and 27 transitions. [2018-07-23 13:49:43,073 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2018-07-23 13:49:43,074 INFO L78 Accepts]: Start accepts. Automaton has 12 states. Word has length 22 [2018-07-23 13:49:43,074 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-07-23 13:49:43,075 INFO L225 Difference]: With dead ends: 27 [2018-07-23 13:49:43,075 INFO L226 Difference]: Without dead ends: 25 [2018-07-23 13:49:43,076 INFO L575 BasicCegarLoop]: 0 DeclaredPredicates, 11 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 10 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=21, Invalid=111, Unknown=0, NotChecked=0, Total=132 [2018-07-23 13:49:43,076 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 25 states. [2018-07-23 13:49:43,085 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 25 to 25. [2018-07-23 13:49:43,086 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 25 states. [2018-07-23 13:49:43,087 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 25 states to 25 states and 25 transitions. [2018-07-23 13:49:43,087 INFO L78 Accepts]: Start accepts. Automaton has 25 states and 25 transitions. Word has length 22 [2018-07-23 13:49:43,088 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-07-23 13:49:43,088 INFO L471 AbstractCegarLoop]: Abstraction has 25 states and 25 transitions. [2018-07-23 13:49:43,088 INFO L472 AbstractCegarLoop]: Interpolant automaton has 12 states. [2018-07-23 13:49:43,090 INFO L276 IsEmpty]: Start isEmpty. Operand 25 states and 25 transitions. [2018-07-23 13:49:43,091 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 25 [2018-07-23 13:49:43,091 INFO L349 BasicCegarLoop]: Found error trace [2018-07-23 13:49:43,091 INFO L357 BasicCegarLoop]: trace histogram [11, 10, 1, 1, 1] [2018-07-23 13:49:43,091 INFO L414 AbstractCegarLoop]: === Iteration 11 === [ULTIMATE.startErr0AssertViolationASSERT]=== [2018-07-23 13:49:43,092 INFO L82 PathProgramCache]: Analyzing trace with hash -1724181365, now seen corresponding path program 10 times [2018-07-23 13:49:43,092 INFO L69 tionRefinementEngine]: Using refinement strategy FixedRefinementStrategy [2018-07-23 13:49:43,104 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-07-23 13:49:43,182 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 13:49:43,183 INFO L309 seRefinementStrategy]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2018-07-23 13:49:43,183 INFO L324 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [12] total 12 [2018-07-23 13:49:43,183 INFO L142 lantAutomatonBuilder]: Constructing canonical interpolant automaton, with selfloop in false state [2018-07-23 13:49:43,184 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-07-23 13:49:43,184 INFO L185 omatonBuilderFactory]: Interpolants [768#(and (<= ULTIMATE.start_main_~x~4 0) (<= 0 ULTIMATE.start_main_~x~4)), 769#(and (<= ULTIMATE.start_main_~x~4 1) (<= 1 ULTIMATE.start_main_~x~4)), 770#(and (<= 2 ULTIMATE.start_main_~x~4) (<= ULTIMATE.start_main_~x~4 2)), 771#(and (<= 3 ULTIMATE.start_main_~x~4) (<= ULTIMATE.start_main_~x~4 3)), 772#(and (<= ULTIMATE.start_main_~x~4 4) (<= 4 ULTIMATE.start_main_~x~4)), 773#(and (<= ULTIMATE.start_main_~x~4 5) (<= 5 ULTIMATE.start_main_~x~4)), 774#(and (<= 6 ULTIMATE.start_main_~x~4) (<= ULTIMATE.start_main_~x~4 6)), 775#(and (<= ULTIMATE.start_main_~x~4 7) (<= 7 ULTIMATE.start_main_~x~4)), 776#(and (<= ULTIMATE.start_main_~x~4 8) (<= 8 ULTIMATE.start_main_~x~4)), 777#(and (<= 9 ULTIMATE.start_main_~x~4) (<= ULTIMATE.start_main_~x~4 9)), 778#(and (<= ULTIMATE.start_main_~x~4 10) (<= 10 ULTIMATE.start_main_~x~4)), 766#true, 767#false] [2018-07-23 13:49:43,185 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 13:49:43,185 INFO L450 AbstractCegarLoop]: Interpolant automaton has 13 states [2018-07-23 13:49:43,186 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 13 interpolants. [2018-07-23 13:49:43,187 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=23, Invalid=133, Unknown=0, NotChecked=0, Total=156 [2018-07-23 13:49:43,187 INFO L87 Difference]: Start difference. First operand 25 states and 25 transitions. Second operand 13 states. [2018-07-23 13:49:43,245 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-07-23 13:49:43,246 INFO L93 Difference]: Finished difference Result 29 states and 29 transitions. [2018-07-23 13:49:43,246 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2018-07-23 13:49:43,246 INFO L78 Accepts]: Start accepts. Automaton has 13 states. Word has length 24 [2018-07-23 13:49:43,247 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-07-23 13:49:43,247 INFO L225 Difference]: With dead ends: 29 [2018-07-23 13:49:43,248 INFO L226 Difference]: Without dead ends: 27 [2018-07-23 13:49:43,248 INFO L575 BasicCegarLoop]: 0 DeclaredPredicates, 12 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 11 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=23, Invalid=133, Unknown=0, NotChecked=0, Total=156 [2018-07-23 13:49:43,249 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 27 states. [2018-07-23 13:49:43,253 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 27 to 27. [2018-07-23 13:49:43,253 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 27 states. [2018-07-23 13:49:43,254 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 27 states to 27 states and 27 transitions. [2018-07-23 13:49:43,254 INFO L78 Accepts]: Start accepts. Automaton has 27 states and 27 transitions. Word has length 24 [2018-07-23 13:49:43,255 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-07-23 13:49:43,255 INFO L471 AbstractCegarLoop]: Abstraction has 27 states and 27 transitions. [2018-07-23 13:49:43,255 INFO L472 AbstractCegarLoop]: Interpolant automaton has 13 states. [2018-07-23 13:49:43,255 INFO L276 IsEmpty]: Start isEmpty. Operand 27 states and 27 transitions. [2018-07-23 13:49:43,256 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 27 [2018-07-23 13:49:43,256 INFO L349 BasicCegarLoop]: Found error trace [2018-07-23 13:49:43,257 INFO L357 BasicCegarLoop]: trace histogram [12, 11, 1, 1, 1] [2018-07-23 13:49:43,257 INFO L414 AbstractCegarLoop]: === Iteration 12 === [ULTIMATE.startErr0AssertViolationASSERT]=== [2018-07-23 13:49:43,257 INFO L82 PathProgramCache]: Analyzing trace with hash 919136581, now seen corresponding path program 11 times [2018-07-23 13:49:43,257 INFO L69 tionRefinementEngine]: Using refinement strategy FixedRefinementStrategy [2018-07-23 13:49:43,266 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-07-23 13:49:43,345 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 13:49:43,345 INFO L309 seRefinementStrategy]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2018-07-23 13:49:43,345 INFO L324 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [13] total 13 [2018-07-23 13:49:43,346 INFO L142 lantAutomatonBuilder]: Constructing canonical interpolant automaton, with selfloop in false state [2018-07-23 13:49:43,346 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 13:49:43,347 INFO L185 omatonBuilderFactory]: Interpolants [896#(and (<= 3 ULTIMATE.start_main_~x~4) (<= ULTIMATE.start_main_~x~4 3)), 897#(and (<= ULTIMATE.start_main_~x~4 4) (<= 4 ULTIMATE.start_main_~x~4)), 898#(and (<= ULTIMATE.start_main_~x~4 5) (<= 5 ULTIMATE.start_main_~x~4)), 899#(and (<= 6 ULTIMATE.start_main_~x~4) (<= ULTIMATE.start_main_~x~4 6)), 900#(and (<= ULTIMATE.start_main_~x~4 7) (<= 7 ULTIMATE.start_main_~x~4)), 901#(and (<= ULTIMATE.start_main_~x~4 8) (<= 8 ULTIMATE.start_main_~x~4)), 902#(and (<= 9 ULTIMATE.start_main_~x~4) (<= ULTIMATE.start_main_~x~4 9)), 903#(and (<= ULTIMATE.start_main_~x~4 10) (<= 10 ULTIMATE.start_main_~x~4)), 904#(and (<= ULTIMATE.start_main_~x~4 11) (<= 11 ULTIMATE.start_main_~x~4)), 891#true, 892#false, 893#(and (<= ULTIMATE.start_main_~x~4 0) (<= 0 ULTIMATE.start_main_~x~4)), 894#(and (<= ULTIMATE.start_main_~x~4 1) (<= 1 ULTIMATE.start_main_~x~4)), 895#(and (<= 2 ULTIMATE.start_main_~x~4) (<= ULTIMATE.start_main_~x~4 2))] [2018-07-23 13:49:43,347 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 13:49:43,347 INFO L450 AbstractCegarLoop]: Interpolant automaton has 14 states [2018-07-23 13:49:43,348 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 14 interpolants. [2018-07-23 13:49:43,348 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=25, Invalid=157, Unknown=0, NotChecked=0, Total=182 [2018-07-23 13:49:43,348 INFO L87 Difference]: Start difference. First operand 27 states and 27 transitions. Second operand 14 states. [2018-07-23 13:49:43,412 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-07-23 13:49:43,412 INFO L93 Difference]: Finished difference Result 31 states and 31 transitions. [2018-07-23 13:49:43,415 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2018-07-23 13:49:43,416 INFO L78 Accepts]: Start accepts. Automaton has 14 states. Word has length 26 [2018-07-23 13:49:43,416 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-07-23 13:49:43,417 INFO L225 Difference]: With dead ends: 31 [2018-07-23 13:49:43,417 INFO L226 Difference]: Without dead ends: 29 [2018-07-23 13:49:43,418 INFO L575 BasicCegarLoop]: 0 DeclaredPredicates, 13 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 12 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=25, Invalid=157, Unknown=0, NotChecked=0, Total=182 [2018-07-23 13:49:43,418 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 29 states. [2018-07-23 13:49:43,425 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 29 to 29. [2018-07-23 13:49:43,426 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 29 states. [2018-07-23 13:49:43,427 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 29 states to 29 states and 29 transitions. [2018-07-23 13:49:43,427 INFO L78 Accepts]: Start accepts. Automaton has 29 states and 29 transitions. Word has length 26 [2018-07-23 13:49:43,427 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-07-23 13:49:43,427 INFO L471 AbstractCegarLoop]: Abstraction has 29 states and 29 transitions. [2018-07-23 13:49:43,427 INFO L472 AbstractCegarLoop]: Interpolant automaton has 14 states. [2018-07-23 13:49:43,428 INFO L276 IsEmpty]: Start isEmpty. Operand 29 states and 29 transitions. [2018-07-23 13:49:43,428 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 29 [2018-07-23 13:49:43,429 INFO L349 BasicCegarLoop]: Found error trace [2018-07-23 13:49:43,429 INFO L357 BasicCegarLoop]: trace histogram [13, 12, 1, 1, 1] [2018-07-23 13:49:43,429 INFO L414 AbstractCegarLoop]: === Iteration 13 === [ULTIMATE.startErr0AssertViolationASSERT]=== [2018-07-23 13:49:43,435 INFO L82 PathProgramCache]: Analyzing trace with hash -1472956545, now seen corresponding path program 12 times [2018-07-23 13:49:43,435 INFO L69 tionRefinementEngine]: Using refinement strategy FixedRefinementStrategy [2018-07-23 13:49:43,445 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-07-23 13:49:43,531 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 13:49:43,531 INFO L309 seRefinementStrategy]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2018-07-23 13:49:43,531 INFO L324 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [14] total 14 [2018-07-23 13:49:43,532 INFO L142 lantAutomatonBuilder]: Constructing canonical interpolant automaton, with selfloop in false state [2018-07-23 13:49:43,532 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-07-23 13:49:43,533 INFO L185 omatonBuilderFactory]: Interpolants [1025#true, 1026#false, 1027#(and (<= ULTIMATE.start_main_~x~4 0) (<= 0 ULTIMATE.start_main_~x~4)), 1028#(and (<= ULTIMATE.start_main_~x~4 1) (<= 1 ULTIMATE.start_main_~x~4)), 1029#(and (<= 2 ULTIMATE.start_main_~x~4) (<= ULTIMATE.start_main_~x~4 2)), 1030#(and (<= 3 ULTIMATE.start_main_~x~4) (<= ULTIMATE.start_main_~x~4 3)), 1031#(and (<= ULTIMATE.start_main_~x~4 4) (<= 4 ULTIMATE.start_main_~x~4)), 1032#(and (<= ULTIMATE.start_main_~x~4 5) (<= 5 ULTIMATE.start_main_~x~4)), 1033#(and (<= 6 ULTIMATE.start_main_~x~4) (<= ULTIMATE.start_main_~x~4 6)), 1034#(and (<= ULTIMATE.start_main_~x~4 7) (<= 7 ULTIMATE.start_main_~x~4)), 1035#(and (<= ULTIMATE.start_main_~x~4 8) (<= 8 ULTIMATE.start_main_~x~4)), 1036#(and (<= 9 ULTIMATE.start_main_~x~4) (<= ULTIMATE.start_main_~x~4 9)), 1037#(and (<= ULTIMATE.start_main_~x~4 10) (<= 10 ULTIMATE.start_main_~x~4)), 1038#(and (<= ULTIMATE.start_main_~x~4 11) (<= 11 ULTIMATE.start_main_~x~4)), 1039#(and (<= 12 ULTIMATE.start_main_~x~4) (<= ULTIMATE.start_main_~x~4 12))] [2018-07-23 13:49:43,533 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 13:49:43,534 INFO L450 AbstractCegarLoop]: Interpolant automaton has 15 states [2018-07-23 13:49:43,534 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 15 interpolants. [2018-07-23 13:49:43,534 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=27, Invalid=183, Unknown=0, NotChecked=0, Total=210 [2018-07-23 13:49:43,535 INFO L87 Difference]: Start difference. First operand 29 states and 29 transitions. Second operand 15 states. [2018-07-23 13:49:43,600 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-07-23 13:49:43,600 INFO L93 Difference]: Finished difference Result 33 states and 33 transitions. [2018-07-23 13:49:43,600 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2018-07-23 13:49:43,601 INFO L78 Accepts]: Start accepts. Automaton has 15 states. Word has length 28 [2018-07-23 13:49:43,602 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-07-23 13:49:43,603 INFO L225 Difference]: With dead ends: 33 [2018-07-23 13:49:43,603 INFO L226 Difference]: Without dead ends: 31 [2018-07-23 13:49:43,604 INFO L575 BasicCegarLoop]: 0 DeclaredPredicates, 14 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 13 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=27, Invalid=183, Unknown=0, NotChecked=0, Total=210 [2018-07-23 13:49:43,604 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 31 states. [2018-07-23 13:49:43,609 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 31 to 31. [2018-07-23 13:49:43,609 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 31 states. [2018-07-23 13:49:43,610 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 31 states to 31 states and 31 transitions. [2018-07-23 13:49:43,610 INFO L78 Accepts]: Start accepts. Automaton has 31 states and 31 transitions. Word has length 28 [2018-07-23 13:49:43,610 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-07-23 13:49:43,610 INFO L471 AbstractCegarLoop]: Abstraction has 31 states and 31 transitions. [2018-07-23 13:49:43,611 INFO L472 AbstractCegarLoop]: Interpolant automaton has 15 states. [2018-07-23 13:49:43,611 INFO L276 IsEmpty]: Start isEmpty. Operand 31 states and 31 transitions. [2018-07-23 13:49:43,611 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 31 [2018-07-23 13:49:43,612 INFO L349 BasicCegarLoop]: Found error trace [2018-07-23 13:49:43,612 INFO L357 BasicCegarLoop]: trace histogram [14, 13, 1, 1, 1] [2018-07-23 13:49:43,612 INFO L414 AbstractCegarLoop]: === Iteration 14 === [ULTIMATE.startErr0AssertViolationASSERT]=== [2018-07-23 13:49:43,612 INFO L82 PathProgramCache]: Analyzing trace with hash 1828020025, now seen corresponding path program 13 times [2018-07-23 13:49:43,613 INFO L69 tionRefinementEngine]: Using refinement strategy FixedRefinementStrategy [2018-07-23 13:49:43,624 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-07-23 13:49:43,716 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 13:49:43,716 INFO L309 seRefinementStrategy]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2018-07-23 13:49:43,716 INFO L324 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [15] total 15 [2018-07-23 13:49:43,717 INFO L142 lantAutomatonBuilder]: Constructing canonical interpolant automaton, with selfloop in false state [2018-07-23 13:49:43,717 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-07-23 13:49:43,718 INFO L185 omatonBuilderFactory]: Interpolants [1168#true, 1169#false, 1170#(and (<= ULTIMATE.start_main_~x~4 0) (<= 0 ULTIMATE.start_main_~x~4)), 1171#(and (<= ULTIMATE.start_main_~x~4 1) (<= 1 ULTIMATE.start_main_~x~4)), 1172#(and (<= 2 ULTIMATE.start_main_~x~4) (<= ULTIMATE.start_main_~x~4 2)), 1173#(and (<= 3 ULTIMATE.start_main_~x~4) (<= ULTIMATE.start_main_~x~4 3)), 1174#(and (<= ULTIMATE.start_main_~x~4 4) (<= 4 ULTIMATE.start_main_~x~4)), 1175#(and (<= ULTIMATE.start_main_~x~4 5) (<= 5 ULTIMATE.start_main_~x~4)), 1176#(and (<= 6 ULTIMATE.start_main_~x~4) (<= ULTIMATE.start_main_~x~4 6)), 1177#(and (<= ULTIMATE.start_main_~x~4 7) (<= 7 ULTIMATE.start_main_~x~4)), 1178#(and (<= ULTIMATE.start_main_~x~4 8) (<= 8 ULTIMATE.start_main_~x~4)), 1179#(and (<= 9 ULTIMATE.start_main_~x~4) (<= ULTIMATE.start_main_~x~4 9)), 1180#(and (<= ULTIMATE.start_main_~x~4 10) (<= 10 ULTIMATE.start_main_~x~4)), 1181#(and (<= ULTIMATE.start_main_~x~4 11) (<= 11 ULTIMATE.start_main_~x~4)), 1182#(and (<= 12 ULTIMATE.start_main_~x~4) (<= ULTIMATE.start_main_~x~4 12)), 1183#(and (<= ULTIMATE.start_main_~x~4 13) (<= 13 ULTIMATE.start_main_~x~4))] [2018-07-23 13:49:43,718 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 13:49:43,718 INFO L450 AbstractCegarLoop]: Interpolant automaton has 16 states [2018-07-23 13:49:43,719 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 16 interpolants. [2018-07-23 13:49:43,719 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=29, Invalid=211, Unknown=0, NotChecked=0, Total=240 [2018-07-23 13:49:43,721 INFO L87 Difference]: Start difference. First operand 31 states and 31 transitions. Second operand 16 states. [2018-07-23 13:49:43,787 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-07-23 13:49:43,788 INFO L93 Difference]: Finished difference Result 35 states and 35 transitions. [2018-07-23 13:49:43,788 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2018-07-23 13:49:43,788 INFO L78 Accepts]: Start accepts. Automaton has 16 states. Word has length 30 [2018-07-23 13:49:43,789 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-07-23 13:49:43,789 INFO L225 Difference]: With dead ends: 35 [2018-07-23 13:49:43,791 INFO L226 Difference]: Without dead ends: 33 [2018-07-23 13:49:43,792 INFO L575 BasicCegarLoop]: 0 DeclaredPredicates, 15 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 14 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=29, Invalid=211, Unknown=0, NotChecked=0, Total=240 [2018-07-23 13:49:43,792 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 33 states. [2018-07-23 13:49:43,796 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 33 to 33. [2018-07-23 13:49:43,797 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 33 states. [2018-07-23 13:49:43,797 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 33 states to 33 states and 33 transitions. [2018-07-23 13:49:43,798 INFO L78 Accepts]: Start accepts. Automaton has 33 states and 33 transitions. Word has length 30 [2018-07-23 13:49:43,798 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-07-23 13:49:43,798 INFO L471 AbstractCegarLoop]: Abstraction has 33 states and 33 transitions. [2018-07-23 13:49:43,798 INFO L472 AbstractCegarLoop]: Interpolant automaton has 16 states. [2018-07-23 13:49:43,799 INFO L276 IsEmpty]: Start isEmpty. Operand 33 states and 33 transitions. [2018-07-23 13:49:43,799 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 33 [2018-07-23 13:49:43,800 INFO L349 BasicCegarLoop]: Found error trace [2018-07-23 13:49:43,800 INFO L357 BasicCegarLoop]: trace histogram [15, 14, 1, 1, 1] [2018-07-23 13:49:43,800 INFO L414 AbstractCegarLoop]: === Iteration 15 === [ULTIMATE.startErr0AssertViolationASSERT]=== [2018-07-23 13:49:43,800 INFO L82 PathProgramCache]: Analyzing trace with hash 85672051, now seen corresponding path program 14 times [2018-07-23 13:49:43,800 INFO L69 tionRefinementEngine]: Using refinement strategy FixedRefinementStrategy [2018-07-23 13:49:43,810 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-07-23 13:49:43,906 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 13:49:43,906 INFO L309 seRefinementStrategy]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2018-07-23 13:49:43,907 INFO L324 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [16] total 16 [2018-07-23 13:49:43,907 INFO L142 lantAutomatonBuilder]: Constructing canonical interpolant automaton, with selfloop in false state [2018-07-23 13:49:43,907 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-07-23 13:49:43,908 INFO L185 omatonBuilderFactory]: Interpolants [1320#true, 1321#false, 1322#(and (<= ULTIMATE.start_main_~x~4 0) (<= 0 ULTIMATE.start_main_~x~4)), 1323#(and (<= ULTIMATE.start_main_~x~4 1) (<= 1 ULTIMATE.start_main_~x~4)), 1324#(and (<= 2 ULTIMATE.start_main_~x~4) (<= ULTIMATE.start_main_~x~4 2)), 1325#(and (<= 3 ULTIMATE.start_main_~x~4) (<= ULTIMATE.start_main_~x~4 3)), 1326#(and (<= ULTIMATE.start_main_~x~4 4) (<= 4 ULTIMATE.start_main_~x~4)), 1327#(and (<= ULTIMATE.start_main_~x~4 5) (<= 5 ULTIMATE.start_main_~x~4)), 1328#(and (<= 6 ULTIMATE.start_main_~x~4) (<= ULTIMATE.start_main_~x~4 6)), 1329#(and (<= ULTIMATE.start_main_~x~4 7) (<= 7 ULTIMATE.start_main_~x~4)), 1330#(and (<= ULTIMATE.start_main_~x~4 8) (<= 8 ULTIMATE.start_main_~x~4)), 1331#(and (<= 9 ULTIMATE.start_main_~x~4) (<= ULTIMATE.start_main_~x~4 9)), 1332#(and (<= ULTIMATE.start_main_~x~4 10) (<= 10 ULTIMATE.start_main_~x~4)), 1333#(and (<= ULTIMATE.start_main_~x~4 11) (<= 11 ULTIMATE.start_main_~x~4)), 1334#(and (<= 12 ULTIMATE.start_main_~x~4) (<= ULTIMATE.start_main_~x~4 12)), 1335#(and (<= ULTIMATE.start_main_~x~4 13) (<= 13 ULTIMATE.start_main_~x~4)), 1336#(and (<= 14 ULTIMATE.start_main_~x~4) (<= ULTIMATE.start_main_~x~4 14))] [2018-07-23 13:49:43,911 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 13:49:43,911 INFO L450 AbstractCegarLoop]: Interpolant automaton has 17 states [2018-07-23 13:49:43,911 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 17 interpolants. [2018-07-23 13:49:43,912 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=31, Invalid=241, Unknown=0, NotChecked=0, Total=272 [2018-07-23 13:49:43,912 INFO L87 Difference]: Start difference. First operand 33 states and 33 transitions. Second operand 17 states. [2018-07-23 13:49:44,004 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-07-23 13:49:44,004 INFO L93 Difference]: Finished difference Result 37 states and 37 transitions. [2018-07-23 13:49:44,005 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2018-07-23 13:49:44,005 INFO L78 Accepts]: Start accepts. Automaton has 17 states. Word has length 32 [2018-07-23 13:49:44,005 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-07-23 13:49:44,006 INFO L225 Difference]: With dead ends: 37 [2018-07-23 13:49:44,006 INFO L226 Difference]: Without dead ends: 35 [2018-07-23 13:49:44,007 INFO L575 BasicCegarLoop]: 0 DeclaredPredicates, 16 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 15 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=31, Invalid=241, Unknown=0, NotChecked=0, Total=272 [2018-07-23 13:49:44,007 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 35 states. [2018-07-23 13:49:44,014 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 35 to 35. [2018-07-23 13:49:44,015 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 35 states. [2018-07-23 13:49:44,015 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 35 states to 35 states and 35 transitions. [2018-07-23 13:49:44,016 INFO L78 Accepts]: Start accepts. Automaton has 35 states and 35 transitions. Word has length 32 [2018-07-23 13:49:44,016 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-07-23 13:49:44,016 INFO L471 AbstractCegarLoop]: Abstraction has 35 states and 35 transitions. [2018-07-23 13:49:44,016 INFO L472 AbstractCegarLoop]: Interpolant automaton has 17 states. [2018-07-23 13:49:44,016 INFO L276 IsEmpty]: Start isEmpty. Operand 35 states and 35 transitions. [2018-07-23 13:49:44,017 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 35 [2018-07-23 13:49:44,017 INFO L349 BasicCegarLoop]: Found error trace [2018-07-23 13:49:44,018 INFO L357 BasicCegarLoop]: trace histogram [16, 15, 1, 1, 1] [2018-07-23 13:49:44,018 INFO L414 AbstractCegarLoop]: === Iteration 16 === [ULTIMATE.startErr0AssertViolationASSERT]=== [2018-07-23 13:49:44,018 INFO L82 PathProgramCache]: Analyzing trace with hash 726514477, now seen corresponding path program 15 times [2018-07-23 13:49:44,020 INFO L69 tionRefinementEngine]: Using refinement strategy FixedRefinementStrategy [2018-07-23 13:49:44,030 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-07-23 13:49:44,146 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 13:49:44,146 INFO L309 seRefinementStrategy]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2018-07-23 13:49:44,146 INFO L324 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [17] total 17 [2018-07-23 13:49:44,147 INFO L142 lantAutomatonBuilder]: Constructing canonical interpolant automaton, with selfloop in false state [2018-07-23 13:49:44,147 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-07-23 13:49:44,148 INFO L185 omatonBuilderFactory]: Interpolants [1481#true, 1482#false, 1483#(and (<= ULTIMATE.start_main_~x~4 0) (<= 0 ULTIMATE.start_main_~x~4)), 1484#(and (<= ULTIMATE.start_main_~x~4 1) (<= 1 ULTIMATE.start_main_~x~4)), 1485#(and (<= 2 ULTIMATE.start_main_~x~4) (<= ULTIMATE.start_main_~x~4 2)), 1486#(and (<= 3 ULTIMATE.start_main_~x~4) (<= ULTIMATE.start_main_~x~4 3)), 1487#(and (<= ULTIMATE.start_main_~x~4 4) (<= 4 ULTIMATE.start_main_~x~4)), 1488#(and (<= ULTIMATE.start_main_~x~4 5) (<= 5 ULTIMATE.start_main_~x~4)), 1489#(and (<= 6 ULTIMATE.start_main_~x~4) (<= ULTIMATE.start_main_~x~4 6)), 1490#(and (<= ULTIMATE.start_main_~x~4 7) (<= 7 ULTIMATE.start_main_~x~4)), 1491#(and (<= ULTIMATE.start_main_~x~4 8) (<= 8 ULTIMATE.start_main_~x~4)), 1492#(and (<= 9 ULTIMATE.start_main_~x~4) (<= ULTIMATE.start_main_~x~4 9)), 1493#(and (<= ULTIMATE.start_main_~x~4 10) (<= 10 ULTIMATE.start_main_~x~4)), 1494#(and (<= ULTIMATE.start_main_~x~4 11) (<= 11 ULTIMATE.start_main_~x~4)), 1495#(and (<= 12 ULTIMATE.start_main_~x~4) (<= ULTIMATE.start_main_~x~4 12)), 1496#(and (<= ULTIMATE.start_main_~x~4 13) (<= 13 ULTIMATE.start_main_~x~4)), 1497#(and (<= 14 ULTIMATE.start_main_~x~4) (<= ULTIMATE.start_main_~x~4 14)), 1498#(and (<= 15 ULTIMATE.start_main_~x~4) (<= ULTIMATE.start_main_~x~4 15))] [2018-07-23 13:49:44,148 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 13:49:44,149 INFO L450 AbstractCegarLoop]: Interpolant automaton has 18 states [2018-07-23 13:49:44,149 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 18 interpolants. [2018-07-23 13:49:44,149 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=33, Invalid=273, Unknown=0, NotChecked=0, Total=306 [2018-07-23 13:49:44,150 INFO L87 Difference]: Start difference. First operand 35 states and 35 transitions. Second operand 18 states. [2018-07-23 13:49:44,230 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-07-23 13:49:44,230 INFO L93 Difference]: Finished difference Result 39 states and 39 transitions. [2018-07-23 13:49:44,231 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. [2018-07-23 13:49:44,231 INFO L78 Accepts]: Start accepts. Automaton has 18 states. Word has length 34 [2018-07-23 13:49:44,231 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-07-23 13:49:44,232 INFO L225 Difference]: With dead ends: 39 [2018-07-23 13:49:44,232 INFO L226 Difference]: Without dead ends: 37 [2018-07-23 13:49:44,232 INFO L575 BasicCegarLoop]: 0 DeclaredPredicates, 17 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 16 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=33, Invalid=273, Unknown=0, NotChecked=0, Total=306 [2018-07-23 13:49:44,233 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 37 states. [2018-07-23 13:49:44,241 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 37 to 37. [2018-07-23 13:49:44,241 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 37 states. [2018-07-23 13:49:44,242 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 37 states to 37 states and 37 transitions. [2018-07-23 13:49:44,242 INFO L78 Accepts]: Start accepts. Automaton has 37 states and 37 transitions. Word has length 34 [2018-07-23 13:49:44,243 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-07-23 13:49:44,243 INFO L471 AbstractCegarLoop]: Abstraction has 37 states and 37 transitions. [2018-07-23 13:49:44,243 INFO L472 AbstractCegarLoop]: Interpolant automaton has 18 states. [2018-07-23 13:49:44,243 INFO L276 IsEmpty]: Start isEmpty. Operand 37 states and 37 transitions. [2018-07-23 13:49:44,244 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 37 [2018-07-23 13:49:44,244 INFO L349 BasicCegarLoop]: Found error trace [2018-07-23 13:49:44,244 INFO L357 BasicCegarLoop]: trace histogram [17, 16, 1, 1, 1] [2018-07-23 13:49:44,244 INFO L414 AbstractCegarLoop]: === Iteration 17 === [ULTIMATE.startErr0AssertViolationASSERT]=== [2018-07-23 13:49:44,245 INFO L82 PathProgramCache]: Analyzing trace with hash -1899204761, now seen corresponding path program 16 times [2018-07-23 13:49:44,245 INFO L69 tionRefinementEngine]: Using refinement strategy FixedRefinementStrategy [2018-07-23 13:49:44,255 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-07-23 13:49:44,351 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 13:49:44,352 INFO L309 seRefinementStrategy]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2018-07-23 13:49:44,352 INFO L324 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [18] total 18 [2018-07-23 13:49:44,352 INFO L142 lantAutomatonBuilder]: Constructing canonical interpolant automaton, with selfloop in false state [2018-07-23 13:49:44,353 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-07-23 13:49:44,353 INFO L185 omatonBuilderFactory]: Interpolants [1664#(and (<= ULTIMATE.start_main_~x~4 11) (<= 11 ULTIMATE.start_main_~x~4)), 1665#(and (<= 12 ULTIMATE.start_main_~x~4) (<= ULTIMATE.start_main_~x~4 12)), 1666#(and (<= ULTIMATE.start_main_~x~4 13) (<= 13 ULTIMATE.start_main_~x~4)), 1667#(and (<= 14 ULTIMATE.start_main_~x~4) (<= ULTIMATE.start_main_~x~4 14)), 1668#(and (<= 15 ULTIMATE.start_main_~x~4) (<= ULTIMATE.start_main_~x~4 15)), 1669#(and (<= ULTIMATE.start_main_~x~4 16) (<= 16 ULTIMATE.start_main_~x~4)), 1651#true, 1652#false, 1653#(and (<= ULTIMATE.start_main_~x~4 0) (<= 0 ULTIMATE.start_main_~x~4)), 1654#(and (<= ULTIMATE.start_main_~x~4 1) (<= 1 ULTIMATE.start_main_~x~4)), 1655#(and (<= 2 ULTIMATE.start_main_~x~4) (<= ULTIMATE.start_main_~x~4 2)), 1656#(and (<= 3 ULTIMATE.start_main_~x~4) (<= ULTIMATE.start_main_~x~4 3)), 1657#(and (<= ULTIMATE.start_main_~x~4 4) (<= 4 ULTIMATE.start_main_~x~4)), 1658#(and (<= ULTIMATE.start_main_~x~4 5) (<= 5 ULTIMATE.start_main_~x~4)), 1659#(and (<= 6 ULTIMATE.start_main_~x~4) (<= ULTIMATE.start_main_~x~4 6)), 1660#(and (<= ULTIMATE.start_main_~x~4 7) (<= 7 ULTIMATE.start_main_~x~4)), 1661#(and (<= ULTIMATE.start_main_~x~4 8) (<= 8 ULTIMATE.start_main_~x~4)), 1662#(and (<= 9 ULTIMATE.start_main_~x~4) (<= ULTIMATE.start_main_~x~4 9)), 1663#(and (<= ULTIMATE.start_main_~x~4 10) (<= 10 ULTIMATE.start_main_~x~4))] [2018-07-23 13:49:44,354 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 13:49:44,354 INFO L450 AbstractCegarLoop]: Interpolant automaton has 19 states [2018-07-23 13:49:44,354 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 19 interpolants. [2018-07-23 13:49:44,355 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=35, Invalid=307, Unknown=0, NotChecked=0, Total=342 [2018-07-23 13:49:44,355 INFO L87 Difference]: Start difference. First operand 37 states and 37 transitions. Second operand 19 states. [2018-07-23 13:49:44,445 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-07-23 13:49:44,445 INFO L93 Difference]: Finished difference Result 41 states and 41 transitions. [2018-07-23 13:49:44,445 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 19 states. [2018-07-23 13:49:44,446 INFO L78 Accepts]: Start accepts. Automaton has 19 states. Word has length 36 [2018-07-23 13:49:44,446 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-07-23 13:49:44,446 INFO L225 Difference]: With dead ends: 41 [2018-07-23 13:49:44,447 INFO L226 Difference]: Without dead ends: 39 [2018-07-23 13:49:44,447 INFO L575 BasicCegarLoop]: 0 DeclaredPredicates, 18 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 17 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=35, Invalid=307, Unknown=0, NotChecked=0, Total=342 [2018-07-23 13:49:44,448 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 39 states. [2018-07-23 13:49:44,452 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 39 to 39. [2018-07-23 13:49:44,452 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 39 states. [2018-07-23 13:49:44,453 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 39 states to 39 states and 39 transitions. [2018-07-23 13:49:44,453 INFO L78 Accepts]: Start accepts. Automaton has 39 states and 39 transitions. Word has length 36 [2018-07-23 13:49:44,454 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-07-23 13:49:44,454 INFO L471 AbstractCegarLoop]: Abstraction has 39 states and 39 transitions. [2018-07-23 13:49:44,454 INFO L472 AbstractCegarLoop]: Interpolant automaton has 19 states. [2018-07-23 13:49:44,454 INFO L276 IsEmpty]: Start isEmpty. Operand 39 states and 39 transitions. [2018-07-23 13:49:44,455 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 39 [2018-07-23 13:49:44,455 INFO L349 BasicCegarLoop]: Found error trace [2018-07-23 13:49:44,455 INFO L357 BasicCegarLoop]: trace histogram [18, 17, 1, 1, 1] [2018-07-23 13:49:44,455 INFO L414 AbstractCegarLoop]: === Iteration 18 === [ULTIMATE.startErr0AssertViolationASSERT]=== [2018-07-23 13:49:44,456 INFO L82 PathProgramCache]: Analyzing trace with hash 225377569, now seen corresponding path program 17 times [2018-07-23 13:49:44,456 INFO L69 tionRefinementEngine]: Using refinement strategy FixedRefinementStrategy [2018-07-23 13:49:44,466 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-07-23 13:49:44,578 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 13:49:44,578 INFO L309 seRefinementStrategy]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2018-07-23 13:49:44,578 INFO L324 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [19] total 19 [2018-07-23 13:49:44,579 INFO L142 lantAutomatonBuilder]: Constructing canonical interpolant automaton, with selfloop in false state [2018-07-23 13:49:44,579 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-07-23 13:49:44,579 INFO L185 omatonBuilderFactory]: Interpolants [1830#true, 1831#false, 1832#(and (<= ULTIMATE.start_main_~x~4 0) (<= 0 ULTIMATE.start_main_~x~4)), 1833#(and (<= ULTIMATE.start_main_~x~4 1) (<= 1 ULTIMATE.start_main_~x~4)), 1834#(and (<= 2 ULTIMATE.start_main_~x~4) (<= ULTIMATE.start_main_~x~4 2)), 1835#(and (<= 3 ULTIMATE.start_main_~x~4) (<= ULTIMATE.start_main_~x~4 3)), 1836#(and (<= ULTIMATE.start_main_~x~4 4) (<= 4 ULTIMATE.start_main_~x~4)), 1837#(and (<= ULTIMATE.start_main_~x~4 5) (<= 5 ULTIMATE.start_main_~x~4)), 1838#(and (<= 6 ULTIMATE.start_main_~x~4) (<= ULTIMATE.start_main_~x~4 6)), 1839#(and (<= ULTIMATE.start_main_~x~4 7) (<= 7 ULTIMATE.start_main_~x~4)), 1840#(and (<= ULTIMATE.start_main_~x~4 8) (<= 8 ULTIMATE.start_main_~x~4)), 1841#(and (<= 9 ULTIMATE.start_main_~x~4) (<= ULTIMATE.start_main_~x~4 9)), 1842#(and (<= ULTIMATE.start_main_~x~4 10) (<= 10 ULTIMATE.start_main_~x~4)), 1843#(and (<= ULTIMATE.start_main_~x~4 11) (<= 11 ULTIMATE.start_main_~x~4)), 1844#(and (<= 12 ULTIMATE.start_main_~x~4) (<= ULTIMATE.start_main_~x~4 12)), 1845#(and (<= ULTIMATE.start_main_~x~4 13) (<= 13 ULTIMATE.start_main_~x~4)), 1846#(and (<= 14 ULTIMATE.start_main_~x~4) (<= ULTIMATE.start_main_~x~4 14)), 1847#(and (<= 15 ULTIMATE.start_main_~x~4) (<= ULTIMATE.start_main_~x~4 15)), 1848#(and (<= ULTIMATE.start_main_~x~4 16) (<= 16 ULTIMATE.start_main_~x~4)), 1849#(and (<= ULTIMATE.start_main_~x~4 17) (<= 17 ULTIMATE.start_main_~x~4))] [2018-07-23 13:49:44,580 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 13:49:44,580 INFO L450 AbstractCegarLoop]: Interpolant automaton has 20 states [2018-07-23 13:49:44,580 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 20 interpolants. [2018-07-23 13:49:44,581 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=37, Invalid=343, Unknown=0, NotChecked=0, Total=380 [2018-07-23 13:49:44,581 INFO L87 Difference]: Start difference. First operand 39 states and 39 transitions. Second operand 20 states. [2018-07-23 13:49:44,687 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-07-23 13:49:44,687 INFO L93 Difference]: Finished difference Result 43 states and 43 transitions. [2018-07-23 13:49:44,688 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 20 states. [2018-07-23 13:49:44,689 INFO L78 Accepts]: Start accepts. Automaton has 20 states. Word has length 38 [2018-07-23 13:49:44,689 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-07-23 13:49:44,689 INFO L225 Difference]: With dead ends: 43 [2018-07-23 13:49:44,690 INFO L226 Difference]: Without dead ends: 41 [2018-07-23 13:49:44,690 INFO L575 BasicCegarLoop]: 0 DeclaredPredicates, 19 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 18 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=37, Invalid=343, Unknown=0, NotChecked=0, Total=380 [2018-07-23 13:49:44,691 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 41 states. [2018-07-23 13:49:44,698 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 41 to 41. [2018-07-23 13:49:44,699 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 41 states. [2018-07-23 13:49:44,699 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 41 states to 41 states and 41 transitions. [2018-07-23 13:49:44,700 INFO L78 Accepts]: Start accepts. Automaton has 41 states and 41 transitions. Word has length 38 [2018-07-23 13:49:44,700 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-07-23 13:49:44,700 INFO L471 AbstractCegarLoop]: Abstraction has 41 states and 41 transitions. [2018-07-23 13:49:44,700 INFO L472 AbstractCegarLoop]: Interpolant automaton has 20 states. [2018-07-23 13:49:44,701 INFO L276 IsEmpty]: Start isEmpty. Operand 41 states and 41 transitions. [2018-07-23 13:49:44,702 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 41 [2018-07-23 13:49:44,702 INFO L349 BasicCegarLoop]: Found error trace [2018-07-23 13:49:44,702 INFO L357 BasicCegarLoop]: trace histogram [19, 18, 1, 1, 1] [2018-07-23 13:49:44,702 INFO L414 AbstractCegarLoop]: === Iteration 19 === [ULTIMATE.startErr0AssertViolationASSERT]=== [2018-07-23 13:49:44,703 INFO L82 PathProgramCache]: Analyzing trace with hash 1839531099, now seen corresponding path program 18 times [2018-07-23 13:49:44,703 INFO L69 tionRefinementEngine]: Using refinement strategy FixedRefinementStrategy [2018-07-23 13:49:44,722 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-07-23 13:49:44,853 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 13:49:44,853 INFO L309 seRefinementStrategy]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2018-07-23 13:49:44,853 INFO L324 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [20] total 20 [2018-07-23 13:49:44,854 INFO L142 lantAutomatonBuilder]: Constructing canonical interpolant automaton, with selfloop in false state [2018-07-23 13:49:44,854 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-07-23 13:49:44,854 INFO L185 omatonBuilderFactory]: Interpolants [2018#true, 2019#false, 2020#(and (<= ULTIMATE.start_main_~x~4 0) (<= 0 ULTIMATE.start_main_~x~4)), 2021#(and (<= ULTIMATE.start_main_~x~4 1) (<= 1 ULTIMATE.start_main_~x~4)), 2022#(and (<= 2 ULTIMATE.start_main_~x~4) (<= ULTIMATE.start_main_~x~4 2)), 2023#(and (<= 3 ULTIMATE.start_main_~x~4) (<= ULTIMATE.start_main_~x~4 3)), 2024#(and (<= ULTIMATE.start_main_~x~4 4) (<= 4 ULTIMATE.start_main_~x~4)), 2025#(and (<= ULTIMATE.start_main_~x~4 5) (<= 5 ULTIMATE.start_main_~x~4)), 2026#(and (<= 6 ULTIMATE.start_main_~x~4) (<= ULTIMATE.start_main_~x~4 6)), 2027#(and (<= ULTIMATE.start_main_~x~4 7) (<= 7 ULTIMATE.start_main_~x~4)), 2028#(and (<= ULTIMATE.start_main_~x~4 8) (<= 8 ULTIMATE.start_main_~x~4)), 2029#(and (<= 9 ULTIMATE.start_main_~x~4) (<= ULTIMATE.start_main_~x~4 9)), 2030#(and (<= ULTIMATE.start_main_~x~4 10) (<= 10 ULTIMATE.start_main_~x~4)), 2031#(and (<= ULTIMATE.start_main_~x~4 11) (<= 11 ULTIMATE.start_main_~x~4)), 2032#(and (<= 12 ULTIMATE.start_main_~x~4) (<= ULTIMATE.start_main_~x~4 12)), 2033#(and (<= ULTIMATE.start_main_~x~4 13) (<= 13 ULTIMATE.start_main_~x~4)), 2034#(and (<= 14 ULTIMATE.start_main_~x~4) (<= ULTIMATE.start_main_~x~4 14)), 2035#(and (<= 15 ULTIMATE.start_main_~x~4) (<= ULTIMATE.start_main_~x~4 15)), 2036#(and (<= ULTIMATE.start_main_~x~4 16) (<= 16 ULTIMATE.start_main_~x~4)), 2037#(and (<= ULTIMATE.start_main_~x~4 17) (<= 17 ULTIMATE.start_main_~x~4)), 2038#(and (<= 18 ULTIMATE.start_main_~x~4) (<= ULTIMATE.start_main_~x~4 18))] [2018-07-23 13:49:44,855 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 13:49:44,855 INFO L450 AbstractCegarLoop]: Interpolant automaton has 21 states [2018-07-23 13:49:44,856 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 21 interpolants. [2018-07-23 13:49:44,856 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=39, Invalid=381, Unknown=0, NotChecked=0, Total=420 [2018-07-23 13:49:44,857 INFO L87 Difference]: Start difference. First operand 41 states and 41 transitions. Second operand 21 states. [2018-07-23 13:49:44,968 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-07-23 13:49:44,968 INFO L93 Difference]: Finished difference Result 45 states and 45 transitions. [2018-07-23 13:49:44,969 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2018-07-23 13:49:44,969 INFO L78 Accepts]: Start accepts. Automaton has 21 states. Word has length 40 [2018-07-23 13:49:44,969 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-07-23 13:49:44,970 INFO L225 Difference]: With dead ends: 45 [2018-07-23 13:49:44,970 INFO L226 Difference]: Without dead ends: 43 [2018-07-23 13:49:44,971 INFO L575 BasicCegarLoop]: 0 DeclaredPredicates, 20 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 19 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=39, Invalid=381, Unknown=0, NotChecked=0, Total=420 [2018-07-23 13:49:44,971 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 43 states. [2018-07-23 13:49:44,977 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 43 to 43. [2018-07-23 13:49:44,977 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 43 states. [2018-07-23 13:49:44,978 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 43 states to 43 states and 43 transitions. [2018-07-23 13:49:44,978 INFO L78 Accepts]: Start accepts. Automaton has 43 states and 43 transitions. Word has length 40 [2018-07-23 13:49:44,978 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-07-23 13:49:44,979 INFO L471 AbstractCegarLoop]: Abstraction has 43 states and 43 transitions. [2018-07-23 13:49:44,979 INFO L472 AbstractCegarLoop]: Interpolant automaton has 21 states. [2018-07-23 13:49:44,979 INFO L276 IsEmpty]: Start isEmpty. Operand 43 states and 43 transitions. [2018-07-23 13:49:44,980 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 43 [2018-07-23 13:49:44,980 INFO L349 BasicCegarLoop]: Found error trace [2018-07-23 13:49:44,980 INFO L357 BasicCegarLoop]: trace histogram [20, 19, 1, 1, 1] [2018-07-23 13:49:44,980 INFO L414 AbstractCegarLoop]: === Iteration 20 === [ULTIMATE.startErr0AssertViolationASSERT]=== [2018-07-23 13:49:44,981 INFO L82 PathProgramCache]: Analyzing trace with hash -1737087723, now seen corresponding path program 19 times [2018-07-23 13:49:44,981 INFO L69 tionRefinementEngine]: Using refinement strategy FixedRefinementStrategy [2018-07-23 13:49:44,993 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-07-23 13:49:45,120 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 13:49:45,121 INFO L309 seRefinementStrategy]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2018-07-23 13:49:45,121 INFO L324 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [21] total 21 [2018-07-23 13:49:45,121 INFO L142 lantAutomatonBuilder]: Constructing canonical interpolant automaton, with selfloop in false state [2018-07-23 13:49:45,122 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-07-23 13:49:45,122 INFO L185 omatonBuilderFactory]: Interpolants [2215#true, 2216#false, 2217#(and (<= ULTIMATE.start_main_~x~4 0) (<= 0 ULTIMATE.start_main_~x~4)), 2218#(and (<= ULTIMATE.start_main_~x~4 1) (<= 1 ULTIMATE.start_main_~x~4)), 2219#(and (<= 2 ULTIMATE.start_main_~x~4) (<= ULTIMATE.start_main_~x~4 2)), 2220#(and (<= 3 ULTIMATE.start_main_~x~4) (<= ULTIMATE.start_main_~x~4 3)), 2221#(and (<= ULTIMATE.start_main_~x~4 4) (<= 4 ULTIMATE.start_main_~x~4)), 2222#(and (<= ULTIMATE.start_main_~x~4 5) (<= 5 ULTIMATE.start_main_~x~4)), 2223#(and (<= 6 ULTIMATE.start_main_~x~4) (<= ULTIMATE.start_main_~x~4 6)), 2224#(and (<= ULTIMATE.start_main_~x~4 7) (<= 7 ULTIMATE.start_main_~x~4)), 2225#(and (<= ULTIMATE.start_main_~x~4 8) (<= 8 ULTIMATE.start_main_~x~4)), 2226#(and (<= 9 ULTIMATE.start_main_~x~4) (<= ULTIMATE.start_main_~x~4 9)), 2227#(and (<= ULTIMATE.start_main_~x~4 10) (<= 10 ULTIMATE.start_main_~x~4)), 2228#(and (<= ULTIMATE.start_main_~x~4 11) (<= 11 ULTIMATE.start_main_~x~4)), 2229#(and (<= 12 ULTIMATE.start_main_~x~4) (<= ULTIMATE.start_main_~x~4 12)), 2230#(and (<= ULTIMATE.start_main_~x~4 13) (<= 13 ULTIMATE.start_main_~x~4)), 2231#(and (<= 14 ULTIMATE.start_main_~x~4) (<= ULTIMATE.start_main_~x~4 14)), 2232#(and (<= 15 ULTIMATE.start_main_~x~4) (<= ULTIMATE.start_main_~x~4 15)), 2233#(and (<= ULTIMATE.start_main_~x~4 16) (<= 16 ULTIMATE.start_main_~x~4)), 2234#(and (<= ULTIMATE.start_main_~x~4 17) (<= 17 ULTIMATE.start_main_~x~4)), 2235#(and (<= 18 ULTIMATE.start_main_~x~4) (<= ULTIMATE.start_main_~x~4 18)), 2236#(and (<= 19 ULTIMATE.start_main_~x~4) (<= ULTIMATE.start_main_~x~4 19))] [2018-07-23 13:49:45,123 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 13:49:45,123 INFO L450 AbstractCegarLoop]: Interpolant automaton has 22 states [2018-07-23 13:49:45,124 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 22 interpolants. [2018-07-23 13:49:45,124 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=41, Invalid=421, Unknown=0, NotChecked=0, Total=462 [2018-07-23 13:49:45,124 INFO L87 Difference]: Start difference. First operand 43 states and 43 transitions. Second operand 22 states. [2018-07-23 13:49:45,241 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-07-23 13:49:45,242 INFO L93 Difference]: Finished difference Result 47 states and 47 transitions. [2018-07-23 13:49:45,242 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 22 states. [2018-07-23 13:49:45,243 INFO L78 Accepts]: Start accepts. Automaton has 22 states. Word has length 42 [2018-07-23 13:49:45,243 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-07-23 13:49:45,243 INFO L225 Difference]: With dead ends: 47 [2018-07-23 13:49:45,244 INFO L226 Difference]: Without dead ends: 45 [2018-07-23 13:49:45,244 INFO L575 BasicCegarLoop]: 0 DeclaredPredicates, 21 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 20 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=41, Invalid=421, Unknown=0, NotChecked=0, Total=462 [2018-07-23 13:49:45,245 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 45 states. [2018-07-23 13:49:45,250 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 45 to 45. [2018-07-23 13:49:45,251 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 45 states. [2018-07-23 13:49:45,251 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 45 states to 45 states and 45 transitions. [2018-07-23 13:49:45,252 INFO L78 Accepts]: Start accepts. Automaton has 45 states and 45 transitions. Word has length 42 [2018-07-23 13:49:45,252 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-07-23 13:49:45,252 INFO L471 AbstractCegarLoop]: Abstraction has 45 states and 45 transitions. [2018-07-23 13:49:45,252 INFO L472 AbstractCegarLoop]: Interpolant automaton has 22 states. [2018-07-23 13:49:45,253 INFO L276 IsEmpty]: Start isEmpty. Operand 45 states and 45 transitions. [2018-07-23 13:49:45,253 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 45 [2018-07-23 13:49:45,253 INFO L349 BasicCegarLoop]: Found error trace [2018-07-23 13:49:45,253 INFO L357 BasicCegarLoop]: trace histogram [21, 20, 1, 1, 1] [2018-07-23 13:49:45,254 INFO L414 AbstractCegarLoop]: === Iteration 21 === [ULTIMATE.startErr0AssertViolationASSERT]=== [2018-07-23 13:49:45,254 INFO L82 PathProgramCache]: Analyzing trace with hash 1401028431, now seen corresponding path program 20 times [2018-07-23 13:49:45,254 INFO L69 tionRefinementEngine]: Using refinement strategy FixedRefinementStrategy [2018-07-23 13:49:45,268 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-07-23 13:49:45,403 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 13:49:45,404 INFO L309 seRefinementStrategy]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2018-07-23 13:49:45,404 INFO L324 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [22] total 22 [2018-07-23 13:49:45,404 INFO L142 lantAutomatonBuilder]: Constructing canonical interpolant automaton, with selfloop in false state [2018-07-23 13:49:45,405 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 13:49:45,405 INFO L185 omatonBuilderFactory]: Interpolants [2432#(and (<= 9 ULTIMATE.start_main_~x~4) (<= ULTIMATE.start_main_~x~4 9)), 2433#(and (<= ULTIMATE.start_main_~x~4 10) (<= 10 ULTIMATE.start_main_~x~4)), 2434#(and (<= ULTIMATE.start_main_~x~4 11) (<= 11 ULTIMATE.start_main_~x~4)), 2435#(and (<= 12 ULTIMATE.start_main_~x~4) (<= ULTIMATE.start_main_~x~4 12)), 2436#(and (<= ULTIMATE.start_main_~x~4 13) (<= 13 ULTIMATE.start_main_~x~4)), 2437#(and (<= 14 ULTIMATE.start_main_~x~4) (<= ULTIMATE.start_main_~x~4 14)), 2438#(and (<= 15 ULTIMATE.start_main_~x~4) (<= ULTIMATE.start_main_~x~4 15)), 2439#(and (<= ULTIMATE.start_main_~x~4 16) (<= 16 ULTIMATE.start_main_~x~4)), 2440#(and (<= ULTIMATE.start_main_~x~4 17) (<= 17 ULTIMATE.start_main_~x~4)), 2441#(and (<= 18 ULTIMATE.start_main_~x~4) (<= ULTIMATE.start_main_~x~4 18)), 2442#(and (<= 19 ULTIMATE.start_main_~x~4) (<= ULTIMATE.start_main_~x~4 19)), 2443#(and (<= 20 ULTIMATE.start_main_~x~4) (<= ULTIMATE.start_main_~x~4 20)), 2421#true, 2422#false, 2423#(and (<= ULTIMATE.start_main_~x~4 0) (<= 0 ULTIMATE.start_main_~x~4)), 2424#(and (<= ULTIMATE.start_main_~x~4 1) (<= 1 ULTIMATE.start_main_~x~4)), 2425#(and (<= 2 ULTIMATE.start_main_~x~4) (<= ULTIMATE.start_main_~x~4 2)), 2426#(and (<= 3 ULTIMATE.start_main_~x~4) (<= ULTIMATE.start_main_~x~4 3)), 2427#(and (<= ULTIMATE.start_main_~x~4 4) (<= 4 ULTIMATE.start_main_~x~4)), 2428#(and (<= ULTIMATE.start_main_~x~4 5) (<= 5 ULTIMATE.start_main_~x~4)), 2429#(and (<= 6 ULTIMATE.start_main_~x~4) (<= ULTIMATE.start_main_~x~4 6)), 2430#(and (<= ULTIMATE.start_main_~x~4 7) (<= 7 ULTIMATE.start_main_~x~4)), 2431#(and (<= ULTIMATE.start_main_~x~4 8) (<= 8 ULTIMATE.start_main_~x~4))] [2018-07-23 13:49:45,406 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 13:49:45,406 INFO L450 AbstractCegarLoop]: Interpolant automaton has 23 states [2018-07-23 13:49:45,407 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 23 interpolants. [2018-07-23 13:49:45,407 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=43, Invalid=463, Unknown=0, NotChecked=0, Total=506 [2018-07-23 13:49:45,407 INFO L87 Difference]: Start difference. First operand 45 states and 45 transitions. Second operand 23 states. [2018-07-23 13:49:45,542 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-07-23 13:49:45,542 INFO L93 Difference]: Finished difference Result 49 states and 49 transitions. [2018-07-23 13:49:45,542 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 23 states. [2018-07-23 13:49:45,543 INFO L78 Accepts]: Start accepts. Automaton has 23 states. Word has length 44 [2018-07-23 13:49:45,543 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-07-23 13:49:45,544 INFO L225 Difference]: With dead ends: 49 [2018-07-23 13:49:45,544 INFO L226 Difference]: Without dead ends: 47 [2018-07-23 13:49:45,576 INFO L575 BasicCegarLoop]: 0 DeclaredPredicates, 22 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 21 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=43, Invalid=463, Unknown=0, NotChecked=0, Total=506 [2018-07-23 13:49:45,577 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 47 states. [2018-07-23 13:49:45,595 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 47 to 47. [2018-07-23 13:49:45,595 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 47 states. [2018-07-23 13:49:45,596 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 47 states to 47 states and 47 transitions. [2018-07-23 13:49:45,596 INFO L78 Accepts]: Start accepts. Automaton has 47 states and 47 transitions. Word has length 44 [2018-07-23 13:49:45,596 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-07-23 13:49:45,596 INFO L471 AbstractCegarLoop]: Abstraction has 47 states and 47 transitions. [2018-07-23 13:49:45,597 INFO L472 AbstractCegarLoop]: Interpolant automaton has 23 states. [2018-07-23 13:49:45,597 INFO L276 IsEmpty]: Start isEmpty. Operand 47 states and 47 transitions. [2018-07-23 13:49:45,597 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 47 [2018-07-23 13:49:45,597 INFO L349 BasicCegarLoop]: Found error trace [2018-07-23 13:49:45,597 INFO L357 BasicCegarLoop]: trace histogram [22, 21, 1, 1, 1] [2018-07-23 13:49:45,598 INFO L414 AbstractCegarLoop]: === Iteration 22 === [ULTIMATE.startErr0AssertViolationASSERT]=== [2018-07-23 13:49:45,598 INFO L82 PathProgramCache]: Analyzing trace with hash 2063610633, now seen corresponding path program 21 times [2018-07-23 13:49:45,598 INFO L69 tionRefinementEngine]: Using refinement strategy FixedRefinementStrategy [2018-07-23 13:49:45,620 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-07-23 13:49:45,775 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 13:49:45,776 INFO L309 seRefinementStrategy]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2018-07-23 13:49:45,776 INFO L324 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [23] total 23 [2018-07-23 13:49:45,777 INFO L142 lantAutomatonBuilder]: Constructing canonical interpolant automaton, with selfloop in false state [2018-07-23 13:49:45,777 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-07-23 13:49:45,777 INFO L185 omatonBuilderFactory]: Interpolants [2656#(and (<= 18 ULTIMATE.start_main_~x~4) (<= ULTIMATE.start_main_~x~4 18)), 2657#(and (<= 19 ULTIMATE.start_main_~x~4) (<= ULTIMATE.start_main_~x~4 19)), 2658#(and (<= 20 ULTIMATE.start_main_~x~4) (<= ULTIMATE.start_main_~x~4 20)), 2659#(and (<= ULTIMATE.start_main_~x~4 21) (<= 21 ULTIMATE.start_main_~x~4)), 2636#true, 2637#false, 2638#(and (<= ULTIMATE.start_main_~x~4 0) (<= 0 ULTIMATE.start_main_~x~4)), 2639#(and (<= ULTIMATE.start_main_~x~4 1) (<= 1 ULTIMATE.start_main_~x~4)), 2640#(and (<= 2 ULTIMATE.start_main_~x~4) (<= ULTIMATE.start_main_~x~4 2)), 2641#(and (<= 3 ULTIMATE.start_main_~x~4) (<= ULTIMATE.start_main_~x~4 3)), 2642#(and (<= ULTIMATE.start_main_~x~4 4) (<= 4 ULTIMATE.start_main_~x~4)), 2643#(and (<= ULTIMATE.start_main_~x~4 5) (<= 5 ULTIMATE.start_main_~x~4)), 2644#(and (<= 6 ULTIMATE.start_main_~x~4) (<= ULTIMATE.start_main_~x~4 6)), 2645#(and (<= ULTIMATE.start_main_~x~4 7) (<= 7 ULTIMATE.start_main_~x~4)), 2646#(and (<= ULTIMATE.start_main_~x~4 8) (<= 8 ULTIMATE.start_main_~x~4)), 2647#(and (<= 9 ULTIMATE.start_main_~x~4) (<= ULTIMATE.start_main_~x~4 9)), 2648#(and (<= ULTIMATE.start_main_~x~4 10) (<= 10 ULTIMATE.start_main_~x~4)), 2649#(and (<= ULTIMATE.start_main_~x~4 11) (<= 11 ULTIMATE.start_main_~x~4)), 2650#(and (<= 12 ULTIMATE.start_main_~x~4) (<= ULTIMATE.start_main_~x~4 12)), 2651#(and (<= ULTIMATE.start_main_~x~4 13) (<= 13 ULTIMATE.start_main_~x~4)), 2652#(and (<= 14 ULTIMATE.start_main_~x~4) (<= ULTIMATE.start_main_~x~4 14)), 2653#(and (<= 15 ULTIMATE.start_main_~x~4) (<= ULTIMATE.start_main_~x~4 15)), 2654#(and (<= ULTIMATE.start_main_~x~4 16) (<= 16 ULTIMATE.start_main_~x~4)), 2655#(and (<= ULTIMATE.start_main_~x~4 17) (<= 17 ULTIMATE.start_main_~x~4))] [2018-07-23 13:49:45,778 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 13:49:45,778 INFO L450 AbstractCegarLoop]: Interpolant automaton has 24 states [2018-07-23 13:49:45,779 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 24 interpolants. [2018-07-23 13:49:45,779 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=45, Invalid=507, Unknown=0, NotChecked=0, Total=552 [2018-07-23 13:49:45,779 INFO L87 Difference]: Start difference. First operand 47 states and 47 transitions. Second operand 24 states. [2018-07-23 13:49:45,926 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-07-23 13:49:45,926 INFO L93 Difference]: Finished difference Result 51 states and 51 transitions. [2018-07-23 13:49:45,926 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 24 states. [2018-07-23 13:49:45,928 INFO L78 Accepts]: Start accepts. Automaton has 24 states. Word has length 46 [2018-07-23 13:49:45,928 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-07-23 13:49:45,928 INFO L225 Difference]: With dead ends: 51 [2018-07-23 13:49:45,929 INFO L226 Difference]: Without dead ends: 49 [2018-07-23 13:49:45,929 INFO L575 BasicCegarLoop]: 0 DeclaredPredicates, 23 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 22 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=45, Invalid=507, Unknown=0, NotChecked=0, Total=552 [2018-07-23 13:49:45,930 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 49 states. [2018-07-23 13:49:45,936 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 49 to 49. [2018-07-23 13:49:45,937 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 49 states. [2018-07-23 13:49:45,937 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 49 states to 49 states and 49 transitions. [2018-07-23 13:49:45,937 INFO L78 Accepts]: Start accepts. Automaton has 49 states and 49 transitions. Word has length 46 [2018-07-23 13:49:45,938 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-07-23 13:49:45,938 INFO L471 AbstractCegarLoop]: Abstraction has 49 states and 49 transitions. [2018-07-23 13:49:45,938 INFO L472 AbstractCegarLoop]: Interpolant automaton has 24 states. [2018-07-23 13:49:45,938 INFO L276 IsEmpty]: Start isEmpty. Operand 49 states and 49 transitions. [2018-07-23 13:49:45,938 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 49 [2018-07-23 13:49:45,939 INFO L349 BasicCegarLoop]: Found error trace [2018-07-23 13:49:45,939 INFO L357 BasicCegarLoop]: trace histogram [23, 22, 1, 1, 1] [2018-07-23 13:49:45,939 INFO L414 AbstractCegarLoop]: === Iteration 23 === [ULTIMATE.startErr0AssertViolationASSERT]=== [2018-07-23 13:49:45,940 INFO L82 PathProgramCache]: Analyzing trace with hash -1145020349, now seen corresponding path program 22 times [2018-07-23 13:49:45,940 INFO L69 tionRefinementEngine]: Using refinement strategy FixedRefinementStrategy [2018-07-23 13:49:45,953 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-07-23 13:49:46,116 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 13:49:46,116 INFO L309 seRefinementStrategy]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2018-07-23 13:49:46,117 INFO L324 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [24] total 24 [2018-07-23 13:49:46,117 INFO L142 lantAutomatonBuilder]: Constructing canonical interpolant automaton, with selfloop in false state [2018-07-23 13:49:46,117 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-07-23 13:49:46,118 INFO L185 omatonBuilderFactory]: Interpolants [2880#(and (<= 18 ULTIMATE.start_main_~x~4) (<= ULTIMATE.start_main_~x~4 18)), 2881#(and (<= 19 ULTIMATE.start_main_~x~4) (<= ULTIMATE.start_main_~x~4 19)), 2882#(and (<= 20 ULTIMATE.start_main_~x~4) (<= ULTIMATE.start_main_~x~4 20)), 2883#(and (<= ULTIMATE.start_main_~x~4 21) (<= 21 ULTIMATE.start_main_~x~4)), 2884#(and (<= ULTIMATE.start_main_~x~4 22) (<= 22 ULTIMATE.start_main_~x~4)), 2860#true, 2861#false, 2862#(and (<= ULTIMATE.start_main_~x~4 0) (<= 0 ULTIMATE.start_main_~x~4)), 2863#(and (<= ULTIMATE.start_main_~x~4 1) (<= 1 ULTIMATE.start_main_~x~4)), 2864#(and (<= 2 ULTIMATE.start_main_~x~4) (<= ULTIMATE.start_main_~x~4 2)), 2865#(and (<= 3 ULTIMATE.start_main_~x~4) (<= ULTIMATE.start_main_~x~4 3)), 2866#(and (<= ULTIMATE.start_main_~x~4 4) (<= 4 ULTIMATE.start_main_~x~4)), 2867#(and (<= ULTIMATE.start_main_~x~4 5) (<= 5 ULTIMATE.start_main_~x~4)), 2868#(and (<= 6 ULTIMATE.start_main_~x~4) (<= ULTIMATE.start_main_~x~4 6)), 2869#(and (<= ULTIMATE.start_main_~x~4 7) (<= 7 ULTIMATE.start_main_~x~4)), 2870#(and (<= ULTIMATE.start_main_~x~4 8) (<= 8 ULTIMATE.start_main_~x~4)), 2871#(and (<= 9 ULTIMATE.start_main_~x~4) (<= ULTIMATE.start_main_~x~4 9)), 2872#(and (<= ULTIMATE.start_main_~x~4 10) (<= 10 ULTIMATE.start_main_~x~4)), 2873#(and (<= ULTIMATE.start_main_~x~4 11) (<= 11 ULTIMATE.start_main_~x~4)), 2874#(and (<= 12 ULTIMATE.start_main_~x~4) (<= ULTIMATE.start_main_~x~4 12)), 2875#(and (<= ULTIMATE.start_main_~x~4 13) (<= 13 ULTIMATE.start_main_~x~4)), 2876#(and (<= 14 ULTIMATE.start_main_~x~4) (<= ULTIMATE.start_main_~x~4 14)), 2877#(and (<= 15 ULTIMATE.start_main_~x~4) (<= ULTIMATE.start_main_~x~4 15)), 2878#(and (<= ULTIMATE.start_main_~x~4 16) (<= 16 ULTIMATE.start_main_~x~4)), 2879#(and (<= ULTIMATE.start_main_~x~4 17) (<= 17 ULTIMATE.start_main_~x~4))] [2018-07-23 13:49:46,118 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 13:49:46,118 INFO L450 AbstractCegarLoop]: Interpolant automaton has 25 states [2018-07-23 13:49:46,119 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 25 interpolants. [2018-07-23 13:49:46,119 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=47, Invalid=553, Unknown=0, NotChecked=0, Total=600 [2018-07-23 13:49:46,119 INFO L87 Difference]: Start difference. First operand 49 states and 49 transitions. Second operand 25 states. [2018-07-23 13:49:46,254 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-07-23 13:49:46,255 INFO L93 Difference]: Finished difference Result 53 states and 53 transitions. [2018-07-23 13:49:46,255 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 25 states. [2018-07-23 13:49:46,255 INFO L78 Accepts]: Start accepts. Automaton has 25 states. Word has length 48 [2018-07-23 13:49:46,255 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-07-23 13:49:46,256 INFO L225 Difference]: With dead ends: 53 [2018-07-23 13:49:46,256 INFO L226 Difference]: Without dead ends: 51 [2018-07-23 13:49:46,257 INFO L575 BasicCegarLoop]: 0 DeclaredPredicates, 24 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 23 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=47, Invalid=553, Unknown=0, NotChecked=0, Total=600 [2018-07-23 13:49:46,257 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 51 states. [2018-07-23 13:49:46,262 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 51 to 51. [2018-07-23 13:49:46,262 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 51 states. [2018-07-23 13:49:46,262 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 51 states to 51 states and 51 transitions. [2018-07-23 13:49:46,263 INFO L78 Accepts]: Start accepts. Automaton has 51 states and 51 transitions. Word has length 48 [2018-07-23 13:49:46,263 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-07-23 13:49:46,263 INFO L471 AbstractCegarLoop]: Abstraction has 51 states and 51 transitions. [2018-07-23 13:49:46,263 INFO L472 AbstractCegarLoop]: Interpolant automaton has 25 states. [2018-07-23 13:49:46,263 INFO L276 IsEmpty]: Start isEmpty. Operand 51 states and 51 transitions. [2018-07-23 13:49:46,264 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 51 [2018-07-23 13:49:46,264 INFO L349 BasicCegarLoop]: Found error trace [2018-07-23 13:49:46,264 INFO L357 BasicCegarLoop]: trace histogram [24, 23, 1, 1, 1] [2018-07-23 13:49:46,264 INFO L414 AbstractCegarLoop]: === Iteration 24 === [ULTIMATE.startErr0AssertViolationASSERT]=== [2018-07-23 13:49:46,264 INFO L82 PathProgramCache]: Analyzing trace with hash -852875523, now seen corresponding path program 23 times [2018-07-23 13:49:46,264 INFO L69 tionRefinementEngine]: Using refinement strategy FixedRefinementStrategy [2018-07-23 13:49:46,278 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-07-23 13:49:46,432 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 13:49:46,432 INFO L309 seRefinementStrategy]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2018-07-23 13:49:46,433 INFO L324 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [25] total 25 [2018-07-23 13:49:46,433 INFO L142 lantAutomatonBuilder]: Constructing canonical interpolant automaton, with selfloop in false state [2018-07-23 13:49:46,433 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-07-23 13:49:46,433 INFO L185 omatonBuilderFactory]: Interpolants [3093#true, 3094#false, 3095#(and (<= ULTIMATE.start_main_~x~4 0) (<= 0 ULTIMATE.start_main_~x~4)), 3096#(and (<= ULTIMATE.start_main_~x~4 1) (<= 1 ULTIMATE.start_main_~x~4)), 3097#(and (<= 2 ULTIMATE.start_main_~x~4) (<= ULTIMATE.start_main_~x~4 2)), 3098#(and (<= 3 ULTIMATE.start_main_~x~4) (<= ULTIMATE.start_main_~x~4 3)), 3099#(and (<= ULTIMATE.start_main_~x~4 4) (<= 4 ULTIMATE.start_main_~x~4)), 3100#(and (<= ULTIMATE.start_main_~x~4 5) (<= 5 ULTIMATE.start_main_~x~4)), 3101#(and (<= 6 ULTIMATE.start_main_~x~4) (<= ULTIMATE.start_main_~x~4 6)), 3102#(and (<= ULTIMATE.start_main_~x~4 7) (<= 7 ULTIMATE.start_main_~x~4)), 3103#(and (<= ULTIMATE.start_main_~x~4 8) (<= 8 ULTIMATE.start_main_~x~4)), 3104#(and (<= 9 ULTIMATE.start_main_~x~4) (<= ULTIMATE.start_main_~x~4 9)), 3105#(and (<= ULTIMATE.start_main_~x~4 10) (<= 10 ULTIMATE.start_main_~x~4)), 3106#(and (<= ULTIMATE.start_main_~x~4 11) (<= 11 ULTIMATE.start_main_~x~4)), 3107#(and (<= 12 ULTIMATE.start_main_~x~4) (<= ULTIMATE.start_main_~x~4 12)), 3108#(and (<= ULTIMATE.start_main_~x~4 13) (<= 13 ULTIMATE.start_main_~x~4)), 3109#(and (<= 14 ULTIMATE.start_main_~x~4) (<= ULTIMATE.start_main_~x~4 14)), 3110#(and (<= 15 ULTIMATE.start_main_~x~4) (<= ULTIMATE.start_main_~x~4 15)), 3111#(and (<= ULTIMATE.start_main_~x~4 16) (<= 16 ULTIMATE.start_main_~x~4)), 3112#(and (<= ULTIMATE.start_main_~x~4 17) (<= 17 ULTIMATE.start_main_~x~4)), 3113#(and (<= 18 ULTIMATE.start_main_~x~4) (<= ULTIMATE.start_main_~x~4 18)), 3114#(and (<= 19 ULTIMATE.start_main_~x~4) (<= ULTIMATE.start_main_~x~4 19)), 3115#(and (<= 20 ULTIMATE.start_main_~x~4) (<= ULTIMATE.start_main_~x~4 20)), 3116#(and (<= ULTIMATE.start_main_~x~4 21) (<= 21 ULTIMATE.start_main_~x~4)), 3117#(and (<= ULTIMATE.start_main_~x~4 22) (<= 22 ULTIMATE.start_main_~x~4)), 3118#(and (<= ULTIMATE.start_main_~x~4 23) (<= 23 ULTIMATE.start_main_~x~4))] [2018-07-23 13:49:46,434 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 13:49:46,434 INFO L450 AbstractCegarLoop]: Interpolant automaton has 26 states [2018-07-23 13:49:46,435 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 26 interpolants. [2018-07-23 13:49:46,435 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=49, Invalid=601, Unknown=0, NotChecked=0, Total=650 [2018-07-23 13:49:46,435 INFO L87 Difference]: Start difference. First operand 51 states and 51 transitions. Second operand 26 states. [2018-07-23 13:49:46,593 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-07-23 13:49:46,593 INFO L93 Difference]: Finished difference Result 55 states and 55 transitions. [2018-07-23 13:49:46,594 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 26 states. [2018-07-23 13:49:46,594 INFO L78 Accepts]: Start accepts. Automaton has 26 states. Word has length 50 [2018-07-23 13:49:46,594 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-07-23 13:49:46,594 INFO L225 Difference]: With dead ends: 55 [2018-07-23 13:49:46,595 INFO L226 Difference]: Without dead ends: 53 [2018-07-23 13:49:46,595 INFO L575 BasicCegarLoop]: 0 DeclaredPredicates, 25 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 24 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=49, Invalid=601, Unknown=0, NotChecked=0, Total=650 [2018-07-23 13:49:46,596 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 53 states. [2018-07-23 13:49:46,601 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 53 to 53. [2018-07-23 13:49:46,601 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 53 states. [2018-07-23 13:49:46,602 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 53 states to 53 states and 53 transitions. [2018-07-23 13:49:46,602 INFO L78 Accepts]: Start accepts. Automaton has 53 states and 53 transitions. Word has length 50 [2018-07-23 13:49:46,602 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-07-23 13:49:46,602 INFO L471 AbstractCegarLoop]: Abstraction has 53 states and 53 transitions. [2018-07-23 13:49:46,602 INFO L472 AbstractCegarLoop]: Interpolant automaton has 26 states. [2018-07-23 13:49:46,602 INFO L276 IsEmpty]: Start isEmpty. Operand 53 states and 53 transitions. [2018-07-23 13:49:46,603 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 53 [2018-07-23 13:49:46,603 INFO L349 BasicCegarLoop]: Found error trace [2018-07-23 13:49:46,603 INFO L357 BasicCegarLoop]: trace histogram [25, 24, 1, 1, 1] [2018-07-23 13:49:46,603 INFO L414 AbstractCegarLoop]: === Iteration 25 === [ULTIMATE.startErr0AssertViolationASSERT]=== [2018-07-23 13:49:46,604 INFO L82 PathProgramCache]: Analyzing trace with hash 725428023, now seen corresponding path program 24 times [2018-07-23 13:49:46,604 INFO L69 tionRefinementEngine]: Using refinement strategy FixedRefinementStrategy [2018-07-23 13:49:46,619 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-07-23 13:49:46,797 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 13:49:46,798 INFO L309 seRefinementStrategy]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2018-07-23 13:49:46,798 INFO L324 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [26] total 26 [2018-07-23 13:49:46,798 INFO L142 lantAutomatonBuilder]: Constructing canonical interpolant automaton, with selfloop in false state [2018-07-23 13:49:46,798 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-07-23 13:49:46,799 INFO L185 omatonBuilderFactory]: Interpolants [3335#true, 3336#false, 3337#(and (<= ULTIMATE.start_main_~x~4 0) (<= 0 ULTIMATE.start_main_~x~4)), 3338#(and (<= ULTIMATE.start_main_~x~4 1) (<= 1 ULTIMATE.start_main_~x~4)), 3339#(and (<= 2 ULTIMATE.start_main_~x~4) (<= ULTIMATE.start_main_~x~4 2)), 3340#(and (<= 3 ULTIMATE.start_main_~x~4) (<= ULTIMATE.start_main_~x~4 3)), 3341#(and (<= ULTIMATE.start_main_~x~4 4) (<= 4 ULTIMATE.start_main_~x~4)), 3342#(and (<= ULTIMATE.start_main_~x~4 5) (<= 5 ULTIMATE.start_main_~x~4)), 3343#(and (<= 6 ULTIMATE.start_main_~x~4) (<= ULTIMATE.start_main_~x~4 6)), 3344#(and (<= ULTIMATE.start_main_~x~4 7) (<= 7 ULTIMATE.start_main_~x~4)), 3345#(and (<= ULTIMATE.start_main_~x~4 8) (<= 8 ULTIMATE.start_main_~x~4)), 3346#(and (<= 9 ULTIMATE.start_main_~x~4) (<= ULTIMATE.start_main_~x~4 9)), 3347#(and (<= ULTIMATE.start_main_~x~4 10) (<= 10 ULTIMATE.start_main_~x~4)), 3348#(and (<= ULTIMATE.start_main_~x~4 11) (<= 11 ULTIMATE.start_main_~x~4)), 3349#(and (<= 12 ULTIMATE.start_main_~x~4) (<= ULTIMATE.start_main_~x~4 12)), 3350#(and (<= ULTIMATE.start_main_~x~4 13) (<= 13 ULTIMATE.start_main_~x~4)), 3351#(and (<= 14 ULTIMATE.start_main_~x~4) (<= ULTIMATE.start_main_~x~4 14)), 3352#(and (<= 15 ULTIMATE.start_main_~x~4) (<= ULTIMATE.start_main_~x~4 15)), 3353#(and (<= ULTIMATE.start_main_~x~4 16) (<= 16 ULTIMATE.start_main_~x~4)), 3354#(and (<= ULTIMATE.start_main_~x~4 17) (<= 17 ULTIMATE.start_main_~x~4)), 3355#(and (<= 18 ULTIMATE.start_main_~x~4) (<= ULTIMATE.start_main_~x~4 18)), 3356#(and (<= 19 ULTIMATE.start_main_~x~4) (<= ULTIMATE.start_main_~x~4 19)), 3357#(and (<= 20 ULTIMATE.start_main_~x~4) (<= ULTIMATE.start_main_~x~4 20)), 3358#(and (<= ULTIMATE.start_main_~x~4 21) (<= 21 ULTIMATE.start_main_~x~4)), 3359#(and (<= ULTIMATE.start_main_~x~4 22) (<= 22 ULTIMATE.start_main_~x~4)), 3360#(and (<= ULTIMATE.start_main_~x~4 23) (<= 23 ULTIMATE.start_main_~x~4)), 3361#(and (<= ULTIMATE.start_main_~x~4 24) (<= 24 ULTIMATE.start_main_~x~4))] [2018-07-23 13:49:46,799 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 13:49:46,800 INFO L450 AbstractCegarLoop]: Interpolant automaton has 27 states [2018-07-23 13:49:46,800 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 27 interpolants. [2018-07-23 13:49:46,802 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=51, Invalid=651, Unknown=0, NotChecked=0, Total=702 [2018-07-23 13:49:46,802 INFO L87 Difference]: Start difference. First operand 53 states and 53 transitions. Second operand 27 states. [2018-07-23 13:49:46,968 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-07-23 13:49:46,968 INFO L93 Difference]: Finished difference Result 57 states and 57 transitions. [2018-07-23 13:49:46,969 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 27 states. [2018-07-23 13:49:46,969 INFO L78 Accepts]: Start accepts. Automaton has 27 states. Word has length 52 [2018-07-23 13:49:46,969 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-07-23 13:49:46,970 INFO L225 Difference]: With dead ends: 57 [2018-07-23 13:49:46,970 INFO L226 Difference]: Without dead ends: 55 [2018-07-23 13:49:46,970 INFO L575 BasicCegarLoop]: 0 DeclaredPredicates, 26 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 25 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=51, Invalid=651, Unknown=0, NotChecked=0, Total=702 [2018-07-23 13:49:46,971 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 55 states. [2018-07-23 13:49:46,985 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 55 to 55. [2018-07-23 13:49:46,985 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 55 states. [2018-07-23 13:49:46,986 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 55 states to 55 states and 55 transitions. [2018-07-23 13:49:46,986 INFO L78 Accepts]: Start accepts. Automaton has 55 states and 55 transitions. Word has length 52 [2018-07-23 13:49:46,986 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-07-23 13:49:46,986 INFO L471 AbstractCegarLoop]: Abstraction has 55 states and 55 transitions. [2018-07-23 13:49:46,987 INFO L472 AbstractCegarLoop]: Interpolant automaton has 27 states. [2018-07-23 13:49:46,987 INFO L276 IsEmpty]: Start isEmpty. Operand 55 states and 55 transitions. [2018-07-23 13:49:46,987 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 55 [2018-07-23 13:49:46,991 INFO L349 BasicCegarLoop]: Found error trace [2018-07-23 13:49:46,992 INFO L357 BasicCegarLoop]: trace histogram [26, 25, 1, 1, 1] [2018-07-23 13:49:46,992 INFO L414 AbstractCegarLoop]: === Iteration 26 === [ULTIMATE.startErr0AssertViolationASSERT]=== [2018-07-23 13:49:46,992 INFO L82 PathProgramCache]: Analyzing trace with hash 1351680241, now seen corresponding path program 25 times [2018-07-23 13:49:46,992 INFO L69 tionRefinementEngine]: Using refinement strategy FixedRefinementStrategy [2018-07-23 13:49:47,010 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-07-23 13:49:47,187 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 13:49:47,187 INFO L309 seRefinementStrategy]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2018-07-23 13:49:47,187 INFO L324 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [27] total 27 [2018-07-23 13:49:47,188 INFO L142 lantAutomatonBuilder]: Constructing canonical interpolant automaton, with selfloop in false state [2018-07-23 13:49:47,188 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-07-23 13:49:47,188 INFO L185 omatonBuilderFactory]: Interpolants [3586#true, 3587#false, 3588#(and (<= ULTIMATE.start_main_~x~4 0) (<= 0 ULTIMATE.start_main_~x~4)), 3589#(and (<= ULTIMATE.start_main_~x~4 1) (<= 1 ULTIMATE.start_main_~x~4)), 3590#(and (<= 2 ULTIMATE.start_main_~x~4) (<= ULTIMATE.start_main_~x~4 2)), 3591#(and (<= 3 ULTIMATE.start_main_~x~4) (<= ULTIMATE.start_main_~x~4 3)), 3592#(and (<= ULTIMATE.start_main_~x~4 4) (<= 4 ULTIMATE.start_main_~x~4)), 3593#(and (<= ULTIMATE.start_main_~x~4 5) (<= 5 ULTIMATE.start_main_~x~4)), 3594#(and (<= 6 ULTIMATE.start_main_~x~4) (<= ULTIMATE.start_main_~x~4 6)), 3595#(and (<= ULTIMATE.start_main_~x~4 7) (<= 7 ULTIMATE.start_main_~x~4)), 3596#(and (<= ULTIMATE.start_main_~x~4 8) (<= 8 ULTIMATE.start_main_~x~4)), 3597#(and (<= 9 ULTIMATE.start_main_~x~4) (<= ULTIMATE.start_main_~x~4 9)), 3598#(and (<= ULTIMATE.start_main_~x~4 10) (<= 10 ULTIMATE.start_main_~x~4)), 3599#(and (<= ULTIMATE.start_main_~x~4 11) (<= 11 ULTIMATE.start_main_~x~4)), 3600#(and (<= 12 ULTIMATE.start_main_~x~4) (<= ULTIMATE.start_main_~x~4 12)), 3601#(and (<= ULTIMATE.start_main_~x~4 13) (<= 13 ULTIMATE.start_main_~x~4)), 3602#(and (<= 14 ULTIMATE.start_main_~x~4) (<= ULTIMATE.start_main_~x~4 14)), 3603#(and (<= 15 ULTIMATE.start_main_~x~4) (<= ULTIMATE.start_main_~x~4 15)), 3604#(and (<= ULTIMATE.start_main_~x~4 16) (<= 16 ULTIMATE.start_main_~x~4)), 3605#(and (<= ULTIMATE.start_main_~x~4 17) (<= 17 ULTIMATE.start_main_~x~4)), 3606#(and (<= 18 ULTIMATE.start_main_~x~4) (<= ULTIMATE.start_main_~x~4 18)), 3607#(and (<= 19 ULTIMATE.start_main_~x~4) (<= ULTIMATE.start_main_~x~4 19)), 3608#(and (<= 20 ULTIMATE.start_main_~x~4) (<= ULTIMATE.start_main_~x~4 20)), 3609#(and (<= ULTIMATE.start_main_~x~4 21) (<= 21 ULTIMATE.start_main_~x~4)), 3610#(and (<= ULTIMATE.start_main_~x~4 22) (<= 22 ULTIMATE.start_main_~x~4)), 3611#(and (<= ULTIMATE.start_main_~x~4 23) (<= 23 ULTIMATE.start_main_~x~4)), 3612#(and (<= ULTIMATE.start_main_~x~4 24) (<= 24 ULTIMATE.start_main_~x~4)), 3613#(and (<= ULTIMATE.start_main_~x~4 25) (<= 25 ULTIMATE.start_main_~x~4))] [2018-07-23 13:49:47,189 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 13:49:47,189 INFO L450 AbstractCegarLoop]: Interpolant automaton has 28 states [2018-07-23 13:49:47,190 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 28 interpolants. [2018-07-23 13:49:47,190 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=53, Invalid=703, Unknown=0, NotChecked=0, Total=756 [2018-07-23 13:49:47,190 INFO L87 Difference]: Start difference. First operand 55 states and 55 transitions. Second operand 28 states. [2018-07-23 13:49:47,365 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-07-23 13:49:47,365 INFO L93 Difference]: Finished difference Result 59 states and 59 transitions. [2018-07-23 13:49:47,366 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 28 states. [2018-07-23 13:49:47,366 INFO L78 Accepts]: Start accepts. Automaton has 28 states. Word has length 54 [2018-07-23 13:49:47,366 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-07-23 13:49:47,367 INFO L225 Difference]: With dead ends: 59 [2018-07-23 13:49:47,367 INFO L226 Difference]: Without dead ends: 57 [2018-07-23 13:49:47,368 INFO L575 BasicCegarLoop]: 0 DeclaredPredicates, 27 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 26 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=53, Invalid=703, Unknown=0, NotChecked=0, Total=756 [2018-07-23 13:49:47,368 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 57 states. [2018-07-23 13:49:47,373 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 57 to 57. [2018-07-23 13:49:47,374 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 57 states. [2018-07-23 13:49:47,374 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 57 states to 57 states and 57 transitions. [2018-07-23 13:49:47,375 INFO L78 Accepts]: Start accepts. Automaton has 57 states and 57 transitions. Word has length 54 [2018-07-23 13:49:47,375 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-07-23 13:49:47,375 INFO L471 AbstractCegarLoop]: Abstraction has 57 states and 57 transitions. [2018-07-23 13:49:47,375 INFO L472 AbstractCegarLoop]: Interpolant automaton has 28 states. [2018-07-23 13:49:47,376 INFO L276 IsEmpty]: Start isEmpty. Operand 57 states and 57 transitions. [2018-07-23 13:49:47,376 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 57 [2018-07-23 13:49:47,376 INFO L349 BasicCegarLoop]: Found error trace [2018-07-23 13:49:47,376 INFO L357 BasicCegarLoop]: trace histogram [27, 26, 1, 1, 1] [2018-07-23 13:49:47,377 INFO L414 AbstractCegarLoop]: === Iteration 27 === [ULTIMATE.startErr0AssertViolationASSERT]=== [2018-07-23 13:49:47,377 INFO L82 PathProgramCache]: Analyzing trace with hash 1884640299, now seen corresponding path program 26 times [2018-07-23 13:49:47,377 INFO L69 tionRefinementEngine]: Using refinement strategy FixedRefinementStrategy [2018-07-23 13:49:47,391 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-07-23 13:49:47,588 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 13:49:47,588 INFO L309 seRefinementStrategy]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2018-07-23 13:49:47,589 INFO L324 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [28] total 28 [2018-07-23 13:49:47,589 INFO L142 lantAutomatonBuilder]: Constructing canonical interpolant automaton, with selfloop in false state [2018-07-23 13:49:47,589 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-07-23 13:49:47,590 INFO L185 omatonBuilderFactory]: Interpolants [3846#true, 3847#false, 3848#(and (<= ULTIMATE.start_main_~x~4 0) (<= 0 ULTIMATE.start_main_~x~4)), 3849#(and (<= ULTIMATE.start_main_~x~4 1) (<= 1 ULTIMATE.start_main_~x~4)), 3850#(and (<= 2 ULTIMATE.start_main_~x~4) (<= ULTIMATE.start_main_~x~4 2)), 3851#(and (<= 3 ULTIMATE.start_main_~x~4) (<= ULTIMATE.start_main_~x~4 3)), 3852#(and (<= ULTIMATE.start_main_~x~4 4) (<= 4 ULTIMATE.start_main_~x~4)), 3853#(and (<= ULTIMATE.start_main_~x~4 5) (<= 5 ULTIMATE.start_main_~x~4)), 3854#(and (<= 6 ULTIMATE.start_main_~x~4) (<= ULTIMATE.start_main_~x~4 6)), 3855#(and (<= ULTIMATE.start_main_~x~4 7) (<= 7 ULTIMATE.start_main_~x~4)), 3856#(and (<= ULTIMATE.start_main_~x~4 8) (<= 8 ULTIMATE.start_main_~x~4)), 3857#(and (<= 9 ULTIMATE.start_main_~x~4) (<= ULTIMATE.start_main_~x~4 9)), 3858#(and (<= ULTIMATE.start_main_~x~4 10) (<= 10 ULTIMATE.start_main_~x~4)), 3859#(and (<= ULTIMATE.start_main_~x~4 11) (<= 11 ULTIMATE.start_main_~x~4)), 3860#(and (<= 12 ULTIMATE.start_main_~x~4) (<= ULTIMATE.start_main_~x~4 12)), 3861#(and (<= ULTIMATE.start_main_~x~4 13) (<= 13 ULTIMATE.start_main_~x~4)), 3862#(and (<= 14 ULTIMATE.start_main_~x~4) (<= ULTIMATE.start_main_~x~4 14)), 3863#(and (<= 15 ULTIMATE.start_main_~x~4) (<= ULTIMATE.start_main_~x~4 15)), 3864#(and (<= ULTIMATE.start_main_~x~4 16) (<= 16 ULTIMATE.start_main_~x~4)), 3865#(and (<= ULTIMATE.start_main_~x~4 17) (<= 17 ULTIMATE.start_main_~x~4)), 3866#(and (<= 18 ULTIMATE.start_main_~x~4) (<= ULTIMATE.start_main_~x~4 18)), 3867#(and (<= 19 ULTIMATE.start_main_~x~4) (<= ULTIMATE.start_main_~x~4 19)), 3868#(and (<= 20 ULTIMATE.start_main_~x~4) (<= ULTIMATE.start_main_~x~4 20)), 3869#(and (<= ULTIMATE.start_main_~x~4 21) (<= 21 ULTIMATE.start_main_~x~4)), 3870#(and (<= ULTIMATE.start_main_~x~4 22) (<= 22 ULTIMATE.start_main_~x~4)), 3871#(and (<= ULTIMATE.start_main_~x~4 23) (<= 23 ULTIMATE.start_main_~x~4)), 3872#(and (<= ULTIMATE.start_main_~x~4 24) (<= 24 ULTIMATE.start_main_~x~4)), 3873#(and (<= ULTIMATE.start_main_~x~4 25) (<= 25 ULTIMATE.start_main_~x~4)), 3874#(and (<= ULTIMATE.start_main_~x~4 26) (<= 26 ULTIMATE.start_main_~x~4))] [2018-07-23 13:49:47,590 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 13:49:47,591 INFO L450 AbstractCegarLoop]: Interpolant automaton has 29 states [2018-07-23 13:49:47,591 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 29 interpolants. [2018-07-23 13:49:47,592 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=55, Invalid=757, Unknown=0, NotChecked=0, Total=812 [2018-07-23 13:49:47,592 INFO L87 Difference]: Start difference. First operand 57 states and 57 transitions. Second operand 29 states. [2018-07-23 13:49:47,781 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-07-23 13:49:47,781 INFO L93 Difference]: Finished difference Result 61 states and 61 transitions. [2018-07-23 13:49:47,781 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 29 states. [2018-07-23 13:49:47,781 INFO L78 Accepts]: Start accepts. Automaton has 29 states. Word has length 56 [2018-07-23 13:49:47,782 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-07-23 13:49:47,782 INFO L225 Difference]: With dead ends: 61 [2018-07-23 13:49:47,782 INFO L226 Difference]: Without dead ends: 59 [2018-07-23 13:49:47,783 INFO L575 BasicCegarLoop]: 0 DeclaredPredicates, 28 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 27 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=55, Invalid=757, Unknown=0, NotChecked=0, Total=812 [2018-07-23 13:49:47,783 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 59 states. [2018-07-23 13:49:47,788 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 59 to 59. [2018-07-23 13:49:47,788 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 59 states. [2018-07-23 13:49:47,789 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 59 states to 59 states and 59 transitions. [2018-07-23 13:49:47,789 INFO L78 Accepts]: Start accepts. Automaton has 59 states and 59 transitions. Word has length 56 [2018-07-23 13:49:47,789 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-07-23 13:49:47,789 INFO L471 AbstractCegarLoop]: Abstraction has 59 states and 59 transitions. [2018-07-23 13:49:47,791 INFO L472 AbstractCegarLoop]: Interpolant automaton has 29 states. [2018-07-23 13:49:47,791 INFO L276 IsEmpty]: Start isEmpty. Operand 59 states and 59 transitions. [2018-07-23 13:49:47,792 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 59 [2018-07-23 13:49:47,792 INFO L349 BasicCegarLoop]: Found error trace [2018-07-23 13:49:47,792 INFO L357 BasicCegarLoop]: trace histogram [28, 27, 1, 1, 1] [2018-07-23 13:49:47,794 INFO L414 AbstractCegarLoop]: === Iteration 28 === [ULTIMATE.startErr0AssertViolationASSERT]=== [2018-07-23 13:49:47,795 INFO L82 PathProgramCache]: Analyzing trace with hash -1336819483, now seen corresponding path program 27 times [2018-07-23 13:49:47,795 INFO L69 tionRefinementEngine]: Using refinement strategy FixedRefinementStrategy [2018-07-23 13:49:47,810 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-07-23 13:49:47,991 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 13:49:47,992 INFO L309 seRefinementStrategy]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2018-07-23 13:49:47,992 INFO L324 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [29] total 29 [2018-07-23 13:49:47,992 INFO L142 lantAutomatonBuilder]: Constructing canonical interpolant automaton, with selfloop in false state [2018-07-23 13:49:47,992 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-07-23 13:49:47,993 INFO L185 omatonBuilderFactory]: Interpolants [4115#true, 4116#false, 4117#(and (<= ULTIMATE.start_main_~x~4 0) (<= 0 ULTIMATE.start_main_~x~4)), 4118#(and (<= ULTIMATE.start_main_~x~4 1) (<= 1 ULTIMATE.start_main_~x~4)), 4119#(and (<= 2 ULTIMATE.start_main_~x~4) (<= ULTIMATE.start_main_~x~4 2)), 4120#(and (<= 3 ULTIMATE.start_main_~x~4) (<= ULTIMATE.start_main_~x~4 3)), 4121#(and (<= ULTIMATE.start_main_~x~4 4) (<= 4 ULTIMATE.start_main_~x~4)), 4122#(and (<= ULTIMATE.start_main_~x~4 5) (<= 5 ULTIMATE.start_main_~x~4)), 4123#(and (<= 6 ULTIMATE.start_main_~x~4) (<= ULTIMATE.start_main_~x~4 6)), 4124#(and (<= ULTIMATE.start_main_~x~4 7) (<= 7 ULTIMATE.start_main_~x~4)), 4125#(and (<= ULTIMATE.start_main_~x~4 8) (<= 8 ULTIMATE.start_main_~x~4)), 4126#(and (<= 9 ULTIMATE.start_main_~x~4) (<= ULTIMATE.start_main_~x~4 9)), 4127#(and (<= ULTIMATE.start_main_~x~4 10) (<= 10 ULTIMATE.start_main_~x~4)), 4128#(and (<= ULTIMATE.start_main_~x~4 11) (<= 11 ULTIMATE.start_main_~x~4)), 4129#(and (<= 12 ULTIMATE.start_main_~x~4) (<= ULTIMATE.start_main_~x~4 12)), 4130#(and (<= ULTIMATE.start_main_~x~4 13) (<= 13 ULTIMATE.start_main_~x~4)), 4131#(and (<= 14 ULTIMATE.start_main_~x~4) (<= ULTIMATE.start_main_~x~4 14)), 4132#(and (<= 15 ULTIMATE.start_main_~x~4) (<= ULTIMATE.start_main_~x~4 15)), 4133#(and (<= ULTIMATE.start_main_~x~4 16) (<= 16 ULTIMATE.start_main_~x~4)), 4134#(and (<= ULTIMATE.start_main_~x~4 17) (<= 17 ULTIMATE.start_main_~x~4)), 4135#(and (<= 18 ULTIMATE.start_main_~x~4) (<= ULTIMATE.start_main_~x~4 18)), 4136#(and (<= 19 ULTIMATE.start_main_~x~4) (<= ULTIMATE.start_main_~x~4 19)), 4137#(and (<= 20 ULTIMATE.start_main_~x~4) (<= ULTIMATE.start_main_~x~4 20)), 4138#(and (<= ULTIMATE.start_main_~x~4 21) (<= 21 ULTIMATE.start_main_~x~4)), 4139#(and (<= ULTIMATE.start_main_~x~4 22) (<= 22 ULTIMATE.start_main_~x~4)), 4140#(and (<= ULTIMATE.start_main_~x~4 23) (<= 23 ULTIMATE.start_main_~x~4)), 4141#(and (<= ULTIMATE.start_main_~x~4 24) (<= 24 ULTIMATE.start_main_~x~4)), 4142#(and (<= ULTIMATE.start_main_~x~4 25) (<= 25 ULTIMATE.start_main_~x~4)), 4143#(and (<= ULTIMATE.start_main_~x~4 26) (<= 26 ULTIMATE.start_main_~x~4)), 4144#(and (<= ULTIMATE.start_main_~x~4 27) (<= 27 ULTIMATE.start_main_~x~4))] [2018-07-23 13:49:47,994 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 13:49:47,994 INFO L450 AbstractCegarLoop]: Interpolant automaton has 30 states [2018-07-23 13:49:47,994 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 30 interpolants. [2018-07-23 13:49:47,995 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=57, Invalid=813, Unknown=0, NotChecked=0, Total=870 [2018-07-23 13:49:47,995 INFO L87 Difference]: Start difference. First operand 59 states and 59 transitions. Second operand 30 states. [2018-07-23 13:49:48,185 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-07-23 13:49:48,185 INFO L93 Difference]: Finished difference Result 63 states and 63 transitions. [2018-07-23 13:49:48,186 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 30 states. [2018-07-23 13:49:48,186 INFO L78 Accepts]: Start accepts. Automaton has 30 states. Word has length 58 [2018-07-23 13:49:48,186 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-07-23 13:49:48,187 INFO L225 Difference]: With dead ends: 63 [2018-07-23 13:49:48,187 INFO L226 Difference]: Without dead ends: 61 [2018-07-23 13:49:48,188 INFO L575 BasicCegarLoop]: 0 DeclaredPredicates, 29 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 28 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=57, Invalid=813, Unknown=0, NotChecked=0, Total=870 [2018-07-23 13:49:48,188 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 61 states. [2018-07-23 13:49:48,197 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 61 to 61. [2018-07-23 13:49:48,197 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 61 states. [2018-07-23 13:49:48,197 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 61 states to 61 states and 61 transitions. [2018-07-23 13:49:48,197 INFO L78 Accepts]: Start accepts. Automaton has 61 states and 61 transitions. Word has length 58 [2018-07-23 13:49:48,198 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-07-23 13:49:48,198 INFO L471 AbstractCegarLoop]: Abstraction has 61 states and 61 transitions. [2018-07-23 13:49:48,198 INFO L472 AbstractCegarLoop]: Interpolant automaton has 30 states. [2018-07-23 13:49:48,198 INFO L276 IsEmpty]: Start isEmpty. Operand 61 states and 61 transitions. [2018-07-23 13:49:48,198 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 61 [2018-07-23 13:49:48,199 INFO L349 BasicCegarLoop]: Found error trace [2018-07-23 13:49:48,199 INFO L357 BasicCegarLoop]: trace histogram [29, 28, 1, 1, 1] [2018-07-23 13:49:48,199 INFO L414 AbstractCegarLoop]: === Iteration 29 === [ULTIMATE.startErr0AssertViolationASSERT]=== [2018-07-23 13:49:48,199 INFO L82 PathProgramCache]: Analyzing trace with hash -488249569, now seen corresponding path program 28 times [2018-07-23 13:49:48,199 INFO L69 tionRefinementEngine]: Using refinement strategy FixedRefinementStrategy [2018-07-23 13:49:48,214 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-07-23 13:49:48,410 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 13:49:48,410 INFO L309 seRefinementStrategy]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2018-07-23 13:49:48,410 INFO L324 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [30] total 30 [2018-07-23 13:49:48,411 INFO L142 lantAutomatonBuilder]: Constructing canonical interpolant automaton, with selfloop in false state [2018-07-23 13:49:48,411 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-07-23 13:49:48,411 INFO L185 omatonBuilderFactory]: Interpolants [4416#(and (<= ULTIMATE.start_main_~x~4 21) (<= 21 ULTIMATE.start_main_~x~4)), 4417#(and (<= ULTIMATE.start_main_~x~4 22) (<= 22 ULTIMATE.start_main_~x~4)), 4418#(and (<= ULTIMATE.start_main_~x~4 23) (<= 23 ULTIMATE.start_main_~x~4)), 4419#(and (<= ULTIMATE.start_main_~x~4 24) (<= 24 ULTIMATE.start_main_~x~4)), 4420#(and (<= ULTIMATE.start_main_~x~4 25) (<= 25 ULTIMATE.start_main_~x~4)), 4421#(and (<= ULTIMATE.start_main_~x~4 26) (<= 26 ULTIMATE.start_main_~x~4)), 4422#(and (<= ULTIMATE.start_main_~x~4 27) (<= 27 ULTIMATE.start_main_~x~4)), 4423#(and (<= ULTIMATE.start_main_~x~4 28) (<= 28 ULTIMATE.start_main_~x~4)), 4393#true, 4394#false, 4395#(and (<= ULTIMATE.start_main_~x~4 0) (<= 0 ULTIMATE.start_main_~x~4)), 4396#(and (<= ULTIMATE.start_main_~x~4 1) (<= 1 ULTIMATE.start_main_~x~4)), 4397#(and (<= 2 ULTIMATE.start_main_~x~4) (<= ULTIMATE.start_main_~x~4 2)), 4398#(and (<= 3 ULTIMATE.start_main_~x~4) (<= ULTIMATE.start_main_~x~4 3)), 4399#(and (<= ULTIMATE.start_main_~x~4 4) (<= 4 ULTIMATE.start_main_~x~4)), 4400#(and (<= ULTIMATE.start_main_~x~4 5) (<= 5 ULTIMATE.start_main_~x~4)), 4401#(and (<= 6 ULTIMATE.start_main_~x~4) (<= ULTIMATE.start_main_~x~4 6)), 4402#(and (<= ULTIMATE.start_main_~x~4 7) (<= 7 ULTIMATE.start_main_~x~4)), 4403#(and (<= ULTIMATE.start_main_~x~4 8) (<= 8 ULTIMATE.start_main_~x~4)), 4404#(and (<= 9 ULTIMATE.start_main_~x~4) (<= ULTIMATE.start_main_~x~4 9)), 4405#(and (<= ULTIMATE.start_main_~x~4 10) (<= 10 ULTIMATE.start_main_~x~4)), 4406#(and (<= ULTIMATE.start_main_~x~4 11) (<= 11 ULTIMATE.start_main_~x~4)), 4407#(and (<= 12 ULTIMATE.start_main_~x~4) (<= ULTIMATE.start_main_~x~4 12)), 4408#(and (<= ULTIMATE.start_main_~x~4 13) (<= 13 ULTIMATE.start_main_~x~4)), 4409#(and (<= 14 ULTIMATE.start_main_~x~4) (<= ULTIMATE.start_main_~x~4 14)), 4410#(and (<= 15 ULTIMATE.start_main_~x~4) (<= ULTIMATE.start_main_~x~4 15)), 4411#(and (<= ULTIMATE.start_main_~x~4 16) (<= 16 ULTIMATE.start_main_~x~4)), 4412#(and (<= ULTIMATE.start_main_~x~4 17) (<= 17 ULTIMATE.start_main_~x~4)), 4413#(and (<= 18 ULTIMATE.start_main_~x~4) (<= ULTIMATE.start_main_~x~4 18)), 4414#(and (<= 19 ULTIMATE.start_main_~x~4) (<= ULTIMATE.start_main_~x~4 19)), 4415#(and (<= 20 ULTIMATE.start_main_~x~4) (<= ULTIMATE.start_main_~x~4 20))] [2018-07-23 13:49:48,412 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 13:49:48,413 INFO L450 AbstractCegarLoop]: Interpolant automaton has 31 states [2018-07-23 13:49:48,413 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 31 interpolants. [2018-07-23 13:49:48,414 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=59, Invalid=871, Unknown=0, NotChecked=0, Total=930 [2018-07-23 13:49:48,414 INFO L87 Difference]: Start difference. First operand 61 states and 61 transitions. Second operand 31 states. [2018-07-23 13:49:48,639 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-07-23 13:49:48,639 INFO L93 Difference]: Finished difference Result 65 states and 65 transitions. [2018-07-23 13:49:48,639 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 31 states. [2018-07-23 13:49:48,640 INFO L78 Accepts]: Start accepts. Automaton has 31 states. Word has length 60 [2018-07-23 13:49:48,640 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-07-23 13:49:48,640 INFO L225 Difference]: With dead ends: 65 [2018-07-23 13:49:48,641 INFO L226 Difference]: Without dead ends: 63 [2018-07-23 13:49:48,643 INFO L575 BasicCegarLoop]: 0 DeclaredPredicates, 30 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 29 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=59, Invalid=871, Unknown=0, NotChecked=0, Total=930 [2018-07-23 13:49:48,643 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 63 states. [2018-07-23 13:49:48,648 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 63 to 63. [2018-07-23 13:49:48,648 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 63 states. [2018-07-23 13:49:48,648 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 63 states to 63 states and 63 transitions. [2018-07-23 13:49:48,648 INFO L78 Accepts]: Start accepts. Automaton has 63 states and 63 transitions. Word has length 60 [2018-07-23 13:49:48,649 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-07-23 13:49:48,649 INFO L471 AbstractCegarLoop]: Abstraction has 63 states and 63 transitions. [2018-07-23 13:49:48,649 INFO L472 AbstractCegarLoop]: Interpolant automaton has 31 states. [2018-07-23 13:49:48,649 INFO L276 IsEmpty]: Start isEmpty. Operand 63 states and 63 transitions. [2018-07-23 13:49:48,650 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 63 [2018-07-23 13:49:48,650 INFO L349 BasicCegarLoop]: Found error trace [2018-07-23 13:49:48,650 INFO L357 BasicCegarLoop]: trace histogram [30, 29, 1, 1, 1] [2018-07-23 13:49:48,650 INFO L414 AbstractCegarLoop]: === Iteration 30 === [ULTIMATE.startErr0AssertViolationASSERT]=== [2018-07-23 13:49:48,651 INFO L82 PathProgramCache]: Analyzing trace with hash -1056348455, now seen corresponding path program 29 times [2018-07-23 13:49:48,651 INFO L69 tionRefinementEngine]: Using refinement strategy FixedRefinementStrategy [2018-07-23 13:49:48,673 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-07-23 13:49:48,899 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 13:49:48,899 INFO L309 seRefinementStrategy]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2018-07-23 13:49:48,899 INFO L324 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [31] total 31 [2018-07-23 13:49:48,900 INFO L142 lantAutomatonBuilder]: Constructing canonical interpolant automaton, with selfloop in false state [2018-07-23 13:49:48,900 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-07-23 13:49:48,900 INFO L185 omatonBuilderFactory]: Interpolants [4680#true, 4681#false, 4682#(and (<= ULTIMATE.start_main_~x~4 0) (<= 0 ULTIMATE.start_main_~x~4)), 4683#(and (<= ULTIMATE.start_main_~x~4 1) (<= 1 ULTIMATE.start_main_~x~4)), 4684#(and (<= 2 ULTIMATE.start_main_~x~4) (<= ULTIMATE.start_main_~x~4 2)), 4685#(and (<= 3 ULTIMATE.start_main_~x~4) (<= ULTIMATE.start_main_~x~4 3)), 4686#(and (<= ULTIMATE.start_main_~x~4 4) (<= 4 ULTIMATE.start_main_~x~4)), 4687#(and (<= ULTIMATE.start_main_~x~4 5) (<= 5 ULTIMATE.start_main_~x~4)), 4688#(and (<= 6 ULTIMATE.start_main_~x~4) (<= ULTIMATE.start_main_~x~4 6)), 4689#(and (<= ULTIMATE.start_main_~x~4 7) (<= 7 ULTIMATE.start_main_~x~4)), 4690#(and (<= ULTIMATE.start_main_~x~4 8) (<= 8 ULTIMATE.start_main_~x~4)), 4691#(and (<= 9 ULTIMATE.start_main_~x~4) (<= ULTIMATE.start_main_~x~4 9)), 4692#(and (<= ULTIMATE.start_main_~x~4 10) (<= 10 ULTIMATE.start_main_~x~4)), 4693#(and (<= ULTIMATE.start_main_~x~4 11) (<= 11 ULTIMATE.start_main_~x~4)), 4694#(and (<= 12 ULTIMATE.start_main_~x~4) (<= ULTIMATE.start_main_~x~4 12)), 4695#(and (<= ULTIMATE.start_main_~x~4 13) (<= 13 ULTIMATE.start_main_~x~4)), 4696#(and (<= 14 ULTIMATE.start_main_~x~4) (<= ULTIMATE.start_main_~x~4 14)), 4697#(and (<= 15 ULTIMATE.start_main_~x~4) (<= ULTIMATE.start_main_~x~4 15)), 4698#(and (<= ULTIMATE.start_main_~x~4 16) (<= 16 ULTIMATE.start_main_~x~4)), 4699#(and (<= ULTIMATE.start_main_~x~4 17) (<= 17 ULTIMATE.start_main_~x~4)), 4700#(and (<= 18 ULTIMATE.start_main_~x~4) (<= ULTIMATE.start_main_~x~4 18)), 4701#(and (<= 19 ULTIMATE.start_main_~x~4) (<= ULTIMATE.start_main_~x~4 19)), 4702#(and (<= 20 ULTIMATE.start_main_~x~4) (<= ULTIMATE.start_main_~x~4 20)), 4703#(and (<= ULTIMATE.start_main_~x~4 21) (<= 21 ULTIMATE.start_main_~x~4)), 4704#(and (<= ULTIMATE.start_main_~x~4 22) (<= 22 ULTIMATE.start_main_~x~4)), 4705#(and (<= ULTIMATE.start_main_~x~4 23) (<= 23 ULTIMATE.start_main_~x~4)), 4706#(and (<= ULTIMATE.start_main_~x~4 24) (<= 24 ULTIMATE.start_main_~x~4)), 4707#(and (<= ULTIMATE.start_main_~x~4 25) (<= 25 ULTIMATE.start_main_~x~4)), 4708#(and (<= ULTIMATE.start_main_~x~4 26) (<= 26 ULTIMATE.start_main_~x~4)), 4709#(and (<= ULTIMATE.start_main_~x~4 27) (<= 27 ULTIMATE.start_main_~x~4)), 4710#(and (<= ULTIMATE.start_main_~x~4 28) (<= 28 ULTIMATE.start_main_~x~4)), 4711#(and (<= 29 ULTIMATE.start_main_~x~4) (<= ULTIMATE.start_main_~x~4 29))] [2018-07-23 13:49:48,901 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 13:49:48,902 INFO L450 AbstractCegarLoop]: Interpolant automaton has 32 states [2018-07-23 13:49:48,902 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 32 interpolants. [2018-07-23 13:49:48,903 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=61, Invalid=931, Unknown=0, NotChecked=0, Total=992 [2018-07-23 13:49:48,903 INFO L87 Difference]: Start difference. First operand 63 states and 63 transitions. Second operand 32 states. [2018-07-23 13:49:49,170 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-07-23 13:49:49,171 INFO L93 Difference]: Finished difference Result 67 states and 67 transitions. [2018-07-23 13:49:49,171 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 32 states. [2018-07-23 13:49:49,171 INFO L78 Accepts]: Start accepts. Automaton has 32 states. Word has length 62 [2018-07-23 13:49:49,171 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-07-23 13:49:49,172 INFO L225 Difference]: With dead ends: 67 [2018-07-23 13:49:49,172 INFO L226 Difference]: Without dead ends: 65 [2018-07-23 13:49:49,173 INFO L575 BasicCegarLoop]: 0 DeclaredPredicates, 31 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 30 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=61, Invalid=931, Unknown=0, NotChecked=0, Total=992 [2018-07-23 13:49:49,174 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 65 states. [2018-07-23 13:49:49,178 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 65 to 65. [2018-07-23 13:49:49,178 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 65 states. [2018-07-23 13:49:49,179 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 65 states to 65 states and 65 transitions. [2018-07-23 13:49:49,179 INFO L78 Accepts]: Start accepts. Automaton has 65 states and 65 transitions. Word has length 62 [2018-07-23 13:49:49,179 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-07-23 13:49:49,179 INFO L471 AbstractCegarLoop]: Abstraction has 65 states and 65 transitions. [2018-07-23 13:49:49,180 INFO L472 AbstractCegarLoop]: Interpolant automaton has 32 states. [2018-07-23 13:49:49,180 INFO L276 IsEmpty]: Start isEmpty. Operand 65 states and 65 transitions. [2018-07-23 13:49:49,180 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 65 [2018-07-23 13:49:49,180 INFO L349 BasicCegarLoop]: Found error trace [2018-07-23 13:49:49,180 INFO L357 BasicCegarLoop]: trace histogram [31, 30, 1, 1, 1] [2018-07-23 13:49:49,181 INFO L414 AbstractCegarLoop]: === Iteration 31 === [ULTIMATE.startErr0AssertViolationASSERT]=== [2018-07-23 13:49:49,181 INFO L82 PathProgramCache]: Analyzing trace with hash -1538531309, now seen corresponding path program 30 times [2018-07-23 13:49:49,181 INFO L69 tionRefinementEngine]: Using refinement strategy FixedRefinementStrategy [2018-07-23 13:49:49,199 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-07-23 13:49:49,425 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 13:49:49,426 INFO L309 seRefinementStrategy]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2018-07-23 13:49:49,426 INFO L324 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [32] total 32 [2018-07-23 13:49:49,426 INFO L142 lantAutomatonBuilder]: Constructing canonical interpolant automaton, with selfloop in false state [2018-07-23 13:49:49,427 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-07-23 13:49:49,427 INFO L185 omatonBuilderFactory]: Interpolants [4992#(and (<= 14 ULTIMATE.start_main_~x~4) (<= ULTIMATE.start_main_~x~4 14)), 4993#(and (<= 15 ULTIMATE.start_main_~x~4) (<= ULTIMATE.start_main_~x~4 15)), 4994#(and (<= ULTIMATE.start_main_~x~4 16) (<= 16 ULTIMATE.start_main_~x~4)), 4995#(and (<= ULTIMATE.start_main_~x~4 17) (<= 17 ULTIMATE.start_main_~x~4)), 4996#(and (<= 18 ULTIMATE.start_main_~x~4) (<= ULTIMATE.start_main_~x~4 18)), 4997#(and (<= 19 ULTIMATE.start_main_~x~4) (<= ULTIMATE.start_main_~x~4 19)), 4998#(and (<= 20 ULTIMATE.start_main_~x~4) (<= ULTIMATE.start_main_~x~4 20)), 4999#(and (<= ULTIMATE.start_main_~x~4 21) (<= 21 ULTIMATE.start_main_~x~4)), 5000#(and (<= ULTIMATE.start_main_~x~4 22) (<= 22 ULTIMATE.start_main_~x~4)), 5001#(and (<= ULTIMATE.start_main_~x~4 23) (<= 23 ULTIMATE.start_main_~x~4)), 5002#(and (<= ULTIMATE.start_main_~x~4 24) (<= 24 ULTIMATE.start_main_~x~4)), 5003#(and (<= ULTIMATE.start_main_~x~4 25) (<= 25 ULTIMATE.start_main_~x~4)), 5004#(and (<= ULTIMATE.start_main_~x~4 26) (<= 26 ULTIMATE.start_main_~x~4)), 5005#(and (<= ULTIMATE.start_main_~x~4 27) (<= 27 ULTIMATE.start_main_~x~4)), 5006#(and (<= ULTIMATE.start_main_~x~4 28) (<= 28 ULTIMATE.start_main_~x~4)), 5007#(and (<= 29 ULTIMATE.start_main_~x~4) (<= ULTIMATE.start_main_~x~4 29)), 5008#(and (<= ULTIMATE.start_main_~x~4 30) (<= 30 ULTIMATE.start_main_~x~4)), 4976#true, 4977#false, 4978#(and (<= ULTIMATE.start_main_~x~4 0) (<= 0 ULTIMATE.start_main_~x~4)), 4979#(and (<= ULTIMATE.start_main_~x~4 1) (<= 1 ULTIMATE.start_main_~x~4)), 4980#(and (<= 2 ULTIMATE.start_main_~x~4) (<= ULTIMATE.start_main_~x~4 2)), 4981#(and (<= 3 ULTIMATE.start_main_~x~4) (<= ULTIMATE.start_main_~x~4 3)), 4982#(and (<= ULTIMATE.start_main_~x~4 4) (<= 4 ULTIMATE.start_main_~x~4)), 4983#(and (<= ULTIMATE.start_main_~x~4 5) (<= 5 ULTIMATE.start_main_~x~4)), 4984#(and (<= 6 ULTIMATE.start_main_~x~4) (<= ULTIMATE.start_main_~x~4 6)), 4985#(and (<= ULTIMATE.start_main_~x~4 7) (<= 7 ULTIMATE.start_main_~x~4)), 4986#(and (<= ULTIMATE.start_main_~x~4 8) (<= 8 ULTIMATE.start_main_~x~4)), 4987#(and (<= 9 ULTIMATE.start_main_~x~4) (<= ULTIMATE.start_main_~x~4 9)), 4988#(and (<= ULTIMATE.start_main_~x~4 10) (<= 10 ULTIMATE.start_main_~x~4)), 4989#(and (<= ULTIMATE.start_main_~x~4 11) (<= 11 ULTIMATE.start_main_~x~4)), 4990#(and (<= 12 ULTIMATE.start_main_~x~4) (<= ULTIMATE.start_main_~x~4 12)), 4991#(and (<= ULTIMATE.start_main_~x~4 13) (<= 13 ULTIMATE.start_main_~x~4))] [2018-07-23 13:49:49,428 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 13:49:49,428 INFO L450 AbstractCegarLoop]: Interpolant automaton has 33 states [2018-07-23 13:49:49,428 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 33 interpolants. [2018-07-23 13:49:49,429 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=63, Invalid=993, Unknown=0, NotChecked=0, Total=1056 [2018-07-23 13:49:49,429 INFO L87 Difference]: Start difference. First operand 65 states and 65 transitions. Second operand 33 states. [2018-07-23 13:49:49,639 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-07-23 13:49:49,640 INFO L93 Difference]: Finished difference Result 69 states and 69 transitions. [2018-07-23 13:49:49,640 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 33 states. [2018-07-23 13:49:49,640 INFO L78 Accepts]: Start accepts. Automaton has 33 states. Word has length 64 [2018-07-23 13:49:49,640 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-07-23 13:49:49,641 INFO L225 Difference]: With dead ends: 69 [2018-07-23 13:49:49,641 INFO L226 Difference]: Without dead ends: 67 [2018-07-23 13:49:49,642 INFO L575 BasicCegarLoop]: 0 DeclaredPredicates, 32 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 31 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=63, Invalid=993, Unknown=0, NotChecked=0, Total=1056 [2018-07-23 13:49:49,642 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 67 states. [2018-07-23 13:49:49,646 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 67 to 67. [2018-07-23 13:49:49,647 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 67 states. [2018-07-23 13:49:49,647 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 67 states to 67 states and 67 transitions. [2018-07-23 13:49:49,647 INFO L78 Accepts]: Start accepts. Automaton has 67 states and 67 transitions. Word has length 64 [2018-07-23 13:49:49,647 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-07-23 13:49:49,647 INFO L471 AbstractCegarLoop]: Abstraction has 67 states and 67 transitions. [2018-07-23 13:49:49,648 INFO L472 AbstractCegarLoop]: Interpolant automaton has 33 states. [2018-07-23 13:49:49,648 INFO L276 IsEmpty]: Start isEmpty. Operand 67 states and 67 transitions. [2018-07-23 13:49:49,648 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 67 [2018-07-23 13:49:49,648 INFO L349 BasicCegarLoop]: Found error trace [2018-07-23 13:49:49,648 INFO L357 BasicCegarLoop]: trace histogram [32, 31, 1, 1, 1] [2018-07-23 13:49:49,649 INFO L414 AbstractCegarLoop]: === Iteration 32 === [ULTIMATE.startErr0AssertViolationASSERT]=== [2018-07-23 13:49:49,649 INFO L82 PathProgramCache]: Analyzing trace with hash -1059786035, now seen corresponding path program 31 times [2018-07-23 13:49:49,649 INFO L69 tionRefinementEngine]: Using refinement strategy FixedRefinementStrategy [2018-07-23 13:49:49,669 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-07-23 13:49:49,868 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 13:49:49,868 INFO L309 seRefinementStrategy]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2018-07-23 13:49:49,868 INFO L324 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [33] total 33 [2018-07-23 13:49:49,869 INFO L142 lantAutomatonBuilder]: Constructing canonical interpolant automaton, with selfloop in false state [2018-07-23 13:49:49,869 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-07-23 13:49:49,869 INFO L185 omatonBuilderFactory]: Interpolants [5312#(and (<= 29 ULTIMATE.start_main_~x~4) (<= ULTIMATE.start_main_~x~4 29)), 5313#(and (<= ULTIMATE.start_main_~x~4 30) (<= 30 ULTIMATE.start_main_~x~4)), 5314#(and (<= ULTIMATE.start_main_~x~4 31) (<= 31 ULTIMATE.start_main_~x~4)), 5281#true, 5282#false, 5283#(and (<= ULTIMATE.start_main_~x~4 0) (<= 0 ULTIMATE.start_main_~x~4)), 5284#(and (<= ULTIMATE.start_main_~x~4 1) (<= 1 ULTIMATE.start_main_~x~4)), 5285#(and (<= 2 ULTIMATE.start_main_~x~4) (<= ULTIMATE.start_main_~x~4 2)), 5286#(and (<= 3 ULTIMATE.start_main_~x~4) (<= ULTIMATE.start_main_~x~4 3)), 5287#(and (<= ULTIMATE.start_main_~x~4 4) (<= 4 ULTIMATE.start_main_~x~4)), 5288#(and (<= ULTIMATE.start_main_~x~4 5) (<= 5 ULTIMATE.start_main_~x~4)), 5289#(and (<= 6 ULTIMATE.start_main_~x~4) (<= ULTIMATE.start_main_~x~4 6)), 5290#(and (<= ULTIMATE.start_main_~x~4 7) (<= 7 ULTIMATE.start_main_~x~4)), 5291#(and (<= ULTIMATE.start_main_~x~4 8) (<= 8 ULTIMATE.start_main_~x~4)), 5292#(and (<= 9 ULTIMATE.start_main_~x~4) (<= ULTIMATE.start_main_~x~4 9)), 5293#(and (<= ULTIMATE.start_main_~x~4 10) (<= 10 ULTIMATE.start_main_~x~4)), 5294#(and (<= ULTIMATE.start_main_~x~4 11) (<= 11 ULTIMATE.start_main_~x~4)), 5295#(and (<= 12 ULTIMATE.start_main_~x~4) (<= ULTIMATE.start_main_~x~4 12)), 5296#(and (<= ULTIMATE.start_main_~x~4 13) (<= 13 ULTIMATE.start_main_~x~4)), 5297#(and (<= 14 ULTIMATE.start_main_~x~4) (<= ULTIMATE.start_main_~x~4 14)), 5298#(and (<= 15 ULTIMATE.start_main_~x~4) (<= ULTIMATE.start_main_~x~4 15)), 5299#(and (<= ULTIMATE.start_main_~x~4 16) (<= 16 ULTIMATE.start_main_~x~4)), 5300#(and (<= ULTIMATE.start_main_~x~4 17) (<= 17 ULTIMATE.start_main_~x~4)), 5301#(and (<= 18 ULTIMATE.start_main_~x~4) (<= ULTIMATE.start_main_~x~4 18)), 5302#(and (<= 19 ULTIMATE.start_main_~x~4) (<= ULTIMATE.start_main_~x~4 19)), 5303#(and (<= 20 ULTIMATE.start_main_~x~4) (<= ULTIMATE.start_main_~x~4 20)), 5304#(and (<= ULTIMATE.start_main_~x~4 21) (<= 21 ULTIMATE.start_main_~x~4)), 5305#(and (<= ULTIMATE.start_main_~x~4 22) (<= 22 ULTIMATE.start_main_~x~4)), 5306#(and (<= ULTIMATE.start_main_~x~4 23) (<= 23 ULTIMATE.start_main_~x~4)), 5307#(and (<= ULTIMATE.start_main_~x~4 24) (<= 24 ULTIMATE.start_main_~x~4)), 5308#(and (<= ULTIMATE.start_main_~x~4 25) (<= 25 ULTIMATE.start_main_~x~4)), 5309#(and (<= ULTIMATE.start_main_~x~4 26) (<= 26 ULTIMATE.start_main_~x~4)), 5310#(and (<= ULTIMATE.start_main_~x~4 27) (<= 27 ULTIMATE.start_main_~x~4)), 5311#(and (<= ULTIMATE.start_main_~x~4 28) (<= 28 ULTIMATE.start_main_~x~4))] [2018-07-23 13:49:49,870 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 13:49:49,870 INFO L450 AbstractCegarLoop]: Interpolant automaton has 34 states [2018-07-23 13:49:49,871 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 34 interpolants. [2018-07-23 13:49:49,871 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=65, Invalid=1057, Unknown=0, NotChecked=0, Total=1122 [2018-07-23 13:49:49,872 INFO L87 Difference]: Start difference. First operand 67 states and 67 transitions. Second operand 34 states. [2018-07-23 13:49:50,088 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-07-23 13:49:50,088 INFO L93 Difference]: Finished difference Result 71 states and 71 transitions. [2018-07-23 13:49:50,088 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 34 states. [2018-07-23 13:49:50,088 INFO L78 Accepts]: Start accepts. Automaton has 34 states. Word has length 66 [2018-07-23 13:49:50,089 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-07-23 13:49:50,089 INFO L225 Difference]: With dead ends: 71 [2018-07-23 13:49:50,089 INFO L226 Difference]: Without dead ends: 69 [2018-07-23 13:49:50,090 INFO L575 BasicCegarLoop]: 0 DeclaredPredicates, 33 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 32 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=65, Invalid=1057, Unknown=0, NotChecked=0, Total=1122 [2018-07-23 13:49:50,091 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 69 states. [2018-07-23 13:49:50,095 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 69 to 69. [2018-07-23 13:49:50,095 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 69 states. [2018-07-23 13:49:50,096 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 69 states to 69 states and 69 transitions. [2018-07-23 13:49:50,096 INFO L78 Accepts]: Start accepts. Automaton has 69 states and 69 transitions. Word has length 66 [2018-07-23 13:49:50,096 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-07-23 13:49:50,096 INFO L471 AbstractCegarLoop]: Abstraction has 69 states and 69 transitions. [2018-07-23 13:49:50,097 INFO L472 AbstractCegarLoop]: Interpolant automaton has 34 states. [2018-07-23 13:49:50,097 INFO L276 IsEmpty]: Start isEmpty. Operand 69 states and 69 transitions. [2018-07-23 13:49:50,097 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 69 [2018-07-23 13:49:50,097 INFO L349 BasicCegarLoop]: Found error trace [2018-07-23 13:49:50,097 INFO L357 BasicCegarLoop]: trace histogram [33, 32, 1, 1, 1] [2018-07-23 13:49:50,098 INFO L414 AbstractCegarLoop]: === Iteration 33 === [ULTIMATE.startErr0AssertViolationASSERT]=== [2018-07-23 13:49:50,098 INFO L82 PathProgramCache]: Analyzing trace with hash -547078393, now seen corresponding path program 32 times [2018-07-23 13:49:50,098 INFO L69 tionRefinementEngine]: Using refinement strategy FixedRefinementStrategy [2018-07-23 13:49:50,116 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-07-23 13:49:50,325 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 13:49:50,326 INFO L309 seRefinementStrategy]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2018-07-23 13:49:50,326 INFO L324 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [34] total 34 [2018-07-23 13:49:50,326 INFO L142 lantAutomatonBuilder]: Constructing canonical interpolant automaton, with selfloop in false state [2018-07-23 13:49:50,328 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-07-23 13:49:50,328 INFO L185 omatonBuilderFactory]: Interpolants [5595#true, 5596#false, 5597#(and (<= ULTIMATE.start_main_~x~4 0) (<= 0 ULTIMATE.start_main_~x~4)), 5598#(and (<= ULTIMATE.start_main_~x~4 1) (<= 1 ULTIMATE.start_main_~x~4)), 5599#(and (<= 2 ULTIMATE.start_main_~x~4) (<= ULTIMATE.start_main_~x~4 2)), 5600#(and (<= 3 ULTIMATE.start_main_~x~4) (<= ULTIMATE.start_main_~x~4 3)), 5601#(and (<= ULTIMATE.start_main_~x~4 4) (<= 4 ULTIMATE.start_main_~x~4)), 5602#(and (<= ULTIMATE.start_main_~x~4 5) (<= 5 ULTIMATE.start_main_~x~4)), 5603#(and (<= 6 ULTIMATE.start_main_~x~4) (<= ULTIMATE.start_main_~x~4 6)), 5604#(and (<= ULTIMATE.start_main_~x~4 7) (<= 7 ULTIMATE.start_main_~x~4)), 5605#(and (<= ULTIMATE.start_main_~x~4 8) (<= 8 ULTIMATE.start_main_~x~4)), 5606#(and (<= 9 ULTIMATE.start_main_~x~4) (<= ULTIMATE.start_main_~x~4 9)), 5607#(and (<= ULTIMATE.start_main_~x~4 10) (<= 10 ULTIMATE.start_main_~x~4)), 5608#(and (<= ULTIMATE.start_main_~x~4 11) (<= 11 ULTIMATE.start_main_~x~4)), 5609#(and (<= 12 ULTIMATE.start_main_~x~4) (<= ULTIMATE.start_main_~x~4 12)), 5610#(and (<= ULTIMATE.start_main_~x~4 13) (<= 13 ULTIMATE.start_main_~x~4)), 5611#(and (<= 14 ULTIMATE.start_main_~x~4) (<= ULTIMATE.start_main_~x~4 14)), 5612#(and (<= 15 ULTIMATE.start_main_~x~4) (<= ULTIMATE.start_main_~x~4 15)), 5613#(and (<= ULTIMATE.start_main_~x~4 16) (<= 16 ULTIMATE.start_main_~x~4)), 5614#(and (<= ULTIMATE.start_main_~x~4 17) (<= 17 ULTIMATE.start_main_~x~4)), 5615#(and (<= 18 ULTIMATE.start_main_~x~4) (<= ULTIMATE.start_main_~x~4 18)), 5616#(and (<= 19 ULTIMATE.start_main_~x~4) (<= ULTIMATE.start_main_~x~4 19)), 5617#(and (<= 20 ULTIMATE.start_main_~x~4) (<= ULTIMATE.start_main_~x~4 20)), 5618#(and (<= ULTIMATE.start_main_~x~4 21) (<= 21 ULTIMATE.start_main_~x~4)), 5619#(and (<= ULTIMATE.start_main_~x~4 22) (<= 22 ULTIMATE.start_main_~x~4)), 5620#(and (<= ULTIMATE.start_main_~x~4 23) (<= 23 ULTIMATE.start_main_~x~4)), 5621#(and (<= ULTIMATE.start_main_~x~4 24) (<= 24 ULTIMATE.start_main_~x~4)), 5622#(and (<= ULTIMATE.start_main_~x~4 25) (<= 25 ULTIMATE.start_main_~x~4)), 5623#(and (<= ULTIMATE.start_main_~x~4 26) (<= 26 ULTIMATE.start_main_~x~4)), 5624#(and (<= ULTIMATE.start_main_~x~4 27) (<= 27 ULTIMATE.start_main_~x~4)), 5625#(and (<= ULTIMATE.start_main_~x~4 28) (<= 28 ULTIMATE.start_main_~x~4)), 5626#(and (<= 29 ULTIMATE.start_main_~x~4) (<= ULTIMATE.start_main_~x~4 29)), 5627#(and (<= ULTIMATE.start_main_~x~4 30) (<= 30 ULTIMATE.start_main_~x~4)), 5628#(and (<= ULTIMATE.start_main_~x~4 31) (<= 31 ULTIMATE.start_main_~x~4)), 5629#(and (<= ULTIMATE.start_main_~x~4 32) (<= 32 ULTIMATE.start_main_~x~4))] [2018-07-23 13:49:50,329 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 13:49:50,330 INFO L450 AbstractCegarLoop]: Interpolant automaton has 35 states [2018-07-23 13:49:50,330 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 35 interpolants. [2018-07-23 13:49:50,331 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=67, Invalid=1123, Unknown=0, NotChecked=0, Total=1190 [2018-07-23 13:49:50,331 INFO L87 Difference]: Start difference. First operand 69 states and 69 transitions. Second operand 35 states. [2018-07-23 13:49:50,562 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-07-23 13:49:50,562 INFO L93 Difference]: Finished difference Result 73 states and 73 transitions. [2018-07-23 13:49:50,562 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 35 states. [2018-07-23 13:49:50,562 INFO L78 Accepts]: Start accepts. Automaton has 35 states. Word has length 68 [2018-07-23 13:49:50,563 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-07-23 13:49:50,563 INFO L225 Difference]: With dead ends: 73 [2018-07-23 13:49:50,564 INFO L226 Difference]: Without dead ends: 71 [2018-07-23 13:49:50,565 INFO L575 BasicCegarLoop]: 0 DeclaredPredicates, 34 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 33 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=67, Invalid=1123, Unknown=0, NotChecked=0, Total=1190 [2018-07-23 13:49:50,565 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 71 states. [2018-07-23 13:49:50,570 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 71 to 71. [2018-07-23 13:49:50,570 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 71 states. [2018-07-23 13:49:50,571 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 71 states to 71 states and 71 transitions. [2018-07-23 13:49:50,571 INFO L78 Accepts]: Start accepts. Automaton has 71 states and 71 transitions. Word has length 68 [2018-07-23 13:49:50,571 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-07-23 13:49:50,572 INFO L471 AbstractCegarLoop]: Abstraction has 71 states and 71 transitions. [2018-07-23 13:49:50,572 INFO L472 AbstractCegarLoop]: Interpolant automaton has 35 states. [2018-07-23 13:49:50,572 INFO L276 IsEmpty]: Start isEmpty. Operand 71 states and 71 transitions. [2018-07-23 13:49:50,573 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 71 [2018-07-23 13:49:50,573 INFO L349 BasicCegarLoop]: Found error trace [2018-07-23 13:49:50,573 INFO L357 BasicCegarLoop]: trace histogram [34, 33, 1, 1, 1] [2018-07-23 13:49:50,573 INFO L414 AbstractCegarLoop]: === Iteration 34 === [ULTIMATE.startErr0AssertViolationASSERT]=== [2018-07-23 13:49:50,574 INFO L82 PathProgramCache]: Analyzing trace with hash -1756273471, now seen corresponding path program 33 times [2018-07-23 13:49:50,574 INFO L69 tionRefinementEngine]: Using refinement strategy FixedRefinementStrategy [2018-07-23 13:49:50,591 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-07-23 13:49:50,815 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 13:49:50,816 INFO L309 seRefinementStrategy]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2018-07-23 13:49:50,816 INFO L324 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [35] total 35 [2018-07-23 13:49:50,816 INFO L142 lantAutomatonBuilder]: Constructing canonical interpolant automaton, with selfloop in false state [2018-07-23 13:49:50,816 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-07-23 13:49:50,817 INFO L185 omatonBuilderFactory]: Interpolants [5952#(and (<= ULTIMATE.start_main_~x~4 32) (<= 32 ULTIMATE.start_main_~x~4)), 5953#(and (<= ULTIMATE.start_main_~x~4 33) (<= 33 ULTIMATE.start_main_~x~4)), 5918#true, 5919#false, 5920#(and (<= ULTIMATE.start_main_~x~4 0) (<= 0 ULTIMATE.start_main_~x~4)), 5921#(and (<= ULTIMATE.start_main_~x~4 1) (<= 1 ULTIMATE.start_main_~x~4)), 5922#(and (<= 2 ULTIMATE.start_main_~x~4) (<= ULTIMATE.start_main_~x~4 2)), 5923#(and (<= 3 ULTIMATE.start_main_~x~4) (<= ULTIMATE.start_main_~x~4 3)), 5924#(and (<= ULTIMATE.start_main_~x~4 4) (<= 4 ULTIMATE.start_main_~x~4)), 5925#(and (<= ULTIMATE.start_main_~x~4 5) (<= 5 ULTIMATE.start_main_~x~4)), 5926#(and (<= 6 ULTIMATE.start_main_~x~4) (<= ULTIMATE.start_main_~x~4 6)), 5927#(and (<= ULTIMATE.start_main_~x~4 7) (<= 7 ULTIMATE.start_main_~x~4)), 5928#(and (<= ULTIMATE.start_main_~x~4 8) (<= 8 ULTIMATE.start_main_~x~4)), 5929#(and (<= 9 ULTIMATE.start_main_~x~4) (<= ULTIMATE.start_main_~x~4 9)), 5930#(and (<= ULTIMATE.start_main_~x~4 10) (<= 10 ULTIMATE.start_main_~x~4)), 5931#(and (<= ULTIMATE.start_main_~x~4 11) (<= 11 ULTIMATE.start_main_~x~4)), 5932#(and (<= 12 ULTIMATE.start_main_~x~4) (<= ULTIMATE.start_main_~x~4 12)), 5933#(and (<= ULTIMATE.start_main_~x~4 13) (<= 13 ULTIMATE.start_main_~x~4)), 5934#(and (<= 14 ULTIMATE.start_main_~x~4) (<= ULTIMATE.start_main_~x~4 14)), 5935#(and (<= 15 ULTIMATE.start_main_~x~4) (<= ULTIMATE.start_main_~x~4 15)), 5936#(and (<= ULTIMATE.start_main_~x~4 16) (<= 16 ULTIMATE.start_main_~x~4)), 5937#(and (<= ULTIMATE.start_main_~x~4 17) (<= 17 ULTIMATE.start_main_~x~4)), 5938#(and (<= 18 ULTIMATE.start_main_~x~4) (<= ULTIMATE.start_main_~x~4 18)), 5939#(and (<= 19 ULTIMATE.start_main_~x~4) (<= ULTIMATE.start_main_~x~4 19)), 5940#(and (<= 20 ULTIMATE.start_main_~x~4) (<= ULTIMATE.start_main_~x~4 20)), 5941#(and (<= ULTIMATE.start_main_~x~4 21) (<= 21 ULTIMATE.start_main_~x~4)), 5942#(and (<= ULTIMATE.start_main_~x~4 22) (<= 22 ULTIMATE.start_main_~x~4)), 5943#(and (<= ULTIMATE.start_main_~x~4 23) (<= 23 ULTIMATE.start_main_~x~4)), 5944#(and (<= ULTIMATE.start_main_~x~4 24) (<= 24 ULTIMATE.start_main_~x~4)), 5945#(and (<= ULTIMATE.start_main_~x~4 25) (<= 25 ULTIMATE.start_main_~x~4)), 5946#(and (<= ULTIMATE.start_main_~x~4 26) (<= 26 ULTIMATE.start_main_~x~4)), 5947#(and (<= ULTIMATE.start_main_~x~4 27) (<= 27 ULTIMATE.start_main_~x~4)), 5948#(and (<= ULTIMATE.start_main_~x~4 28) (<= 28 ULTIMATE.start_main_~x~4)), 5949#(and (<= 29 ULTIMATE.start_main_~x~4) (<= ULTIMATE.start_main_~x~4 29)), 5950#(and (<= ULTIMATE.start_main_~x~4 30) (<= 30 ULTIMATE.start_main_~x~4)), 5951#(and (<= ULTIMATE.start_main_~x~4 31) (<= 31 ULTIMATE.start_main_~x~4))] [2018-07-23 13:49:50,818 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 13:49:50,820 INFO L450 AbstractCegarLoop]: Interpolant automaton has 36 states [2018-07-23 13:49:50,821 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 36 interpolants. [2018-07-23 13:49:50,821 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=69, Invalid=1191, Unknown=0, NotChecked=0, Total=1260 [2018-07-23 13:49:50,822 INFO L87 Difference]: Start difference. First operand 71 states and 71 transitions. Second operand 36 states. [2018-07-23 13:49:51,067 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-07-23 13:49:51,067 INFO L93 Difference]: Finished difference Result 75 states and 75 transitions. [2018-07-23 13:49:51,067 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 36 states. [2018-07-23 13:49:51,067 INFO L78 Accepts]: Start accepts. Automaton has 36 states. Word has length 70 [2018-07-23 13:49:51,068 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-07-23 13:49:51,068 INFO L225 Difference]: With dead ends: 75 [2018-07-23 13:49:51,068 INFO L226 Difference]: Without dead ends: 73 [2018-07-23 13:49:51,069 INFO L575 BasicCegarLoop]: 0 DeclaredPredicates, 35 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 34 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=69, Invalid=1191, Unknown=0, NotChecked=0, Total=1260 [2018-07-23 13:49:51,070 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 73 states. [2018-07-23 13:49:51,074 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 73 to 73. [2018-07-23 13:49:51,074 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 73 states. [2018-07-23 13:49:51,074 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 73 states to 73 states and 73 transitions. [2018-07-23 13:49:51,075 INFO L78 Accepts]: Start accepts. Automaton has 73 states and 73 transitions. Word has length 70 [2018-07-23 13:49:51,075 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-07-23 13:49:51,075 INFO L471 AbstractCegarLoop]: Abstraction has 73 states and 73 transitions. [2018-07-23 13:49:51,075 INFO L472 AbstractCegarLoop]: Interpolant automaton has 36 states. [2018-07-23 13:49:51,075 INFO L276 IsEmpty]: Start isEmpty. Operand 73 states and 73 transitions. [2018-07-23 13:49:51,076 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 73 [2018-07-23 13:49:51,076 INFO L349 BasicCegarLoop]: Found error trace [2018-07-23 13:49:51,076 INFO L357 BasicCegarLoop]: trace histogram [35, 34, 1, 1, 1] [2018-07-23 13:49:51,076 INFO L414 AbstractCegarLoop]: === Iteration 35 === [ULTIMATE.startErr0AssertViolationASSERT]=== [2018-07-23 13:49:51,077 INFO L82 PathProgramCache]: Analyzing trace with hash 143393787, now seen corresponding path program 34 times [2018-07-23 13:49:51,077 INFO L69 tionRefinementEngine]: Using refinement strategy FixedRefinementStrategy [2018-07-23 13:49:51,095 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-07-23 13:49:51,309 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 13:49:51,310 INFO L309 seRefinementStrategy]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2018-07-23 13:49:51,310 INFO L324 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [36] total 36 [2018-07-23 13:49:51,310 INFO L142 lantAutomatonBuilder]: Constructing canonical interpolant automaton, with selfloop in false state [2018-07-23 13:49:51,310 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-07-23 13:49:51,311 INFO L185 omatonBuilderFactory]: Interpolants [6272#(and (<= 20 ULTIMATE.start_main_~x~4) (<= ULTIMATE.start_main_~x~4 20)), 6273#(and (<= ULTIMATE.start_main_~x~4 21) (<= 21 ULTIMATE.start_main_~x~4)), 6274#(and (<= ULTIMATE.start_main_~x~4 22) (<= 22 ULTIMATE.start_main_~x~4)), 6275#(and (<= ULTIMATE.start_main_~x~4 23) (<= 23 ULTIMATE.start_main_~x~4)), 6276#(and (<= ULTIMATE.start_main_~x~4 24) (<= 24 ULTIMATE.start_main_~x~4)), 6277#(and (<= ULTIMATE.start_main_~x~4 25) (<= 25 ULTIMATE.start_main_~x~4)), 6278#(and (<= ULTIMATE.start_main_~x~4 26) (<= 26 ULTIMATE.start_main_~x~4)), 6279#(and (<= ULTIMATE.start_main_~x~4 27) (<= 27 ULTIMATE.start_main_~x~4)), 6280#(and (<= ULTIMATE.start_main_~x~4 28) (<= 28 ULTIMATE.start_main_~x~4)), 6281#(and (<= 29 ULTIMATE.start_main_~x~4) (<= ULTIMATE.start_main_~x~4 29)), 6282#(and (<= ULTIMATE.start_main_~x~4 30) (<= 30 ULTIMATE.start_main_~x~4)), 6283#(and (<= ULTIMATE.start_main_~x~4 31) (<= 31 ULTIMATE.start_main_~x~4)), 6284#(and (<= ULTIMATE.start_main_~x~4 32) (<= 32 ULTIMATE.start_main_~x~4)), 6285#(and (<= ULTIMATE.start_main_~x~4 33) (<= 33 ULTIMATE.start_main_~x~4)), 6286#(and (<= 34 ULTIMATE.start_main_~x~4) (<= ULTIMATE.start_main_~x~4 34)), 6250#true, 6251#false, 6252#(and (<= ULTIMATE.start_main_~x~4 0) (<= 0 ULTIMATE.start_main_~x~4)), 6253#(and (<= ULTIMATE.start_main_~x~4 1) (<= 1 ULTIMATE.start_main_~x~4)), 6254#(and (<= 2 ULTIMATE.start_main_~x~4) (<= ULTIMATE.start_main_~x~4 2)), 6255#(and (<= 3 ULTIMATE.start_main_~x~4) (<= ULTIMATE.start_main_~x~4 3)), 6256#(and (<= ULTIMATE.start_main_~x~4 4) (<= 4 ULTIMATE.start_main_~x~4)), 6257#(and (<= ULTIMATE.start_main_~x~4 5) (<= 5 ULTIMATE.start_main_~x~4)), 6258#(and (<= 6 ULTIMATE.start_main_~x~4) (<= ULTIMATE.start_main_~x~4 6)), 6259#(and (<= ULTIMATE.start_main_~x~4 7) (<= 7 ULTIMATE.start_main_~x~4)), 6260#(and (<= ULTIMATE.start_main_~x~4 8) (<= 8 ULTIMATE.start_main_~x~4)), 6261#(and (<= 9 ULTIMATE.start_main_~x~4) (<= ULTIMATE.start_main_~x~4 9)), 6262#(and (<= ULTIMATE.start_main_~x~4 10) (<= 10 ULTIMATE.start_main_~x~4)), 6263#(and (<= ULTIMATE.start_main_~x~4 11) (<= 11 ULTIMATE.start_main_~x~4)), 6264#(and (<= 12 ULTIMATE.start_main_~x~4) (<= ULTIMATE.start_main_~x~4 12)), 6265#(and (<= ULTIMATE.start_main_~x~4 13) (<= 13 ULTIMATE.start_main_~x~4)), 6266#(and (<= 14 ULTIMATE.start_main_~x~4) (<= ULTIMATE.start_main_~x~4 14)), 6267#(and (<= 15 ULTIMATE.start_main_~x~4) (<= ULTIMATE.start_main_~x~4 15)), 6268#(and (<= ULTIMATE.start_main_~x~4 16) (<= 16 ULTIMATE.start_main_~x~4)), 6269#(and (<= ULTIMATE.start_main_~x~4 17) (<= 17 ULTIMATE.start_main_~x~4)), 6270#(and (<= 18 ULTIMATE.start_main_~x~4) (<= ULTIMATE.start_main_~x~4 18)), 6271#(and (<= 19 ULTIMATE.start_main_~x~4) (<= ULTIMATE.start_main_~x~4 19))] [2018-07-23 13:49:51,311 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 13:49:51,311 INFO L450 AbstractCegarLoop]: Interpolant automaton has 37 states [2018-07-23 13:49:51,311 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 37 interpolants. [2018-07-23 13:49:51,312 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=71, Invalid=1261, Unknown=0, NotChecked=0, Total=1332 [2018-07-23 13:49:51,312 INFO L87 Difference]: Start difference. First operand 73 states and 73 transitions. Second operand 37 states. [2018-07-23 13:49:51,546 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-07-23 13:49:51,546 INFO L93 Difference]: Finished difference Result 77 states and 77 transitions. [2018-07-23 13:49:51,547 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 37 states. [2018-07-23 13:49:51,547 INFO L78 Accepts]: Start accepts. Automaton has 37 states. Word has length 72 [2018-07-23 13:49:51,547 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-07-23 13:49:51,548 INFO L225 Difference]: With dead ends: 77 [2018-07-23 13:49:51,548 INFO L226 Difference]: Without dead ends: 75 [2018-07-23 13:49:51,549 INFO L575 BasicCegarLoop]: 0 DeclaredPredicates, 36 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 35 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=71, Invalid=1261, Unknown=0, NotChecked=0, Total=1332 [2018-07-23 13:49:51,549 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 75 states. [2018-07-23 13:49:51,553 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 75 to 75. [2018-07-23 13:49:51,553 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 75 states. [2018-07-23 13:49:51,554 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 75 states to 75 states and 75 transitions. [2018-07-23 13:49:51,554 INFO L78 Accepts]: Start accepts. Automaton has 75 states and 75 transitions. Word has length 72 [2018-07-23 13:49:51,554 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-07-23 13:49:51,554 INFO L471 AbstractCegarLoop]: Abstraction has 75 states and 75 transitions. [2018-07-23 13:49:51,555 INFO L472 AbstractCegarLoop]: Interpolant automaton has 37 states. [2018-07-23 13:49:51,555 INFO L276 IsEmpty]: Start isEmpty. Operand 75 states and 75 transitions. [2018-07-23 13:49:51,555 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 75 [2018-07-23 13:49:51,555 INFO L349 BasicCegarLoop]: Found error trace [2018-07-23 13:49:51,556 INFO L357 BasicCegarLoop]: trace histogram [36, 35, 1, 1, 1] [2018-07-23 13:49:51,556 INFO L414 AbstractCegarLoop]: === Iteration 36 === [ULTIMATE.startErr0AssertViolationASSERT]=== [2018-07-23 13:49:51,556 INFO L82 PathProgramCache]: Analyzing trace with hash 362527925, now seen corresponding path program 35 times [2018-07-23 13:49:51,556 INFO L69 tionRefinementEngine]: Using refinement strategy FixedRefinementStrategy [2018-07-23 13:49:51,575 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-07-23 13:49:51,819 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 13:49:51,820 INFO L309 seRefinementStrategy]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2018-07-23 13:49:51,820 INFO L324 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [37] total 37 [2018-07-23 13:49:51,820 INFO L142 lantAutomatonBuilder]: Constructing canonical interpolant automaton, with selfloop in false state [2018-07-23 13:49:51,820 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-07-23 13:49:51,821 INFO L185 omatonBuilderFactory]: Interpolants [6592#false, 6593#(and (<= ULTIMATE.start_main_~x~4 0) (<= 0 ULTIMATE.start_main_~x~4)), 6594#(and (<= ULTIMATE.start_main_~x~4 1) (<= 1 ULTIMATE.start_main_~x~4)), 6595#(and (<= 2 ULTIMATE.start_main_~x~4) (<= ULTIMATE.start_main_~x~4 2)), 6596#(and (<= 3 ULTIMATE.start_main_~x~4) (<= ULTIMATE.start_main_~x~4 3)), 6597#(and (<= ULTIMATE.start_main_~x~4 4) (<= 4 ULTIMATE.start_main_~x~4)), 6598#(and (<= ULTIMATE.start_main_~x~4 5) (<= 5 ULTIMATE.start_main_~x~4)), 6599#(and (<= 6 ULTIMATE.start_main_~x~4) (<= ULTIMATE.start_main_~x~4 6)), 6600#(and (<= ULTIMATE.start_main_~x~4 7) (<= 7 ULTIMATE.start_main_~x~4)), 6601#(and (<= ULTIMATE.start_main_~x~4 8) (<= 8 ULTIMATE.start_main_~x~4)), 6602#(and (<= 9 ULTIMATE.start_main_~x~4) (<= ULTIMATE.start_main_~x~4 9)), 6603#(and (<= ULTIMATE.start_main_~x~4 10) (<= 10 ULTIMATE.start_main_~x~4)), 6604#(and (<= ULTIMATE.start_main_~x~4 11) (<= 11 ULTIMATE.start_main_~x~4)), 6605#(and (<= 12 ULTIMATE.start_main_~x~4) (<= ULTIMATE.start_main_~x~4 12)), 6606#(and (<= ULTIMATE.start_main_~x~4 13) (<= 13 ULTIMATE.start_main_~x~4)), 6607#(and (<= 14 ULTIMATE.start_main_~x~4) (<= ULTIMATE.start_main_~x~4 14)), 6608#(and (<= 15 ULTIMATE.start_main_~x~4) (<= ULTIMATE.start_main_~x~4 15)), 6609#(and (<= ULTIMATE.start_main_~x~4 16) (<= 16 ULTIMATE.start_main_~x~4)), 6610#(and (<= ULTIMATE.start_main_~x~4 17) (<= 17 ULTIMATE.start_main_~x~4)), 6611#(and (<= 18 ULTIMATE.start_main_~x~4) (<= ULTIMATE.start_main_~x~4 18)), 6612#(and (<= 19 ULTIMATE.start_main_~x~4) (<= ULTIMATE.start_main_~x~4 19)), 6613#(and (<= 20 ULTIMATE.start_main_~x~4) (<= ULTIMATE.start_main_~x~4 20)), 6614#(and (<= ULTIMATE.start_main_~x~4 21) (<= 21 ULTIMATE.start_main_~x~4)), 6615#(and (<= ULTIMATE.start_main_~x~4 22) (<= 22 ULTIMATE.start_main_~x~4)), 6616#(and (<= ULTIMATE.start_main_~x~4 23) (<= 23 ULTIMATE.start_main_~x~4)), 6617#(and (<= ULTIMATE.start_main_~x~4 24) (<= 24 ULTIMATE.start_main_~x~4)), 6618#(and (<= ULTIMATE.start_main_~x~4 25) (<= 25 ULTIMATE.start_main_~x~4)), 6619#(and (<= ULTIMATE.start_main_~x~4 26) (<= 26 ULTIMATE.start_main_~x~4)), 6620#(and (<= ULTIMATE.start_main_~x~4 27) (<= 27 ULTIMATE.start_main_~x~4)), 6621#(and (<= ULTIMATE.start_main_~x~4 28) (<= 28 ULTIMATE.start_main_~x~4)), 6622#(and (<= 29 ULTIMATE.start_main_~x~4) (<= ULTIMATE.start_main_~x~4 29)), 6623#(and (<= ULTIMATE.start_main_~x~4 30) (<= 30 ULTIMATE.start_main_~x~4)), 6624#(and (<= ULTIMATE.start_main_~x~4 31) (<= 31 ULTIMATE.start_main_~x~4)), 6625#(and (<= ULTIMATE.start_main_~x~4 32) (<= 32 ULTIMATE.start_main_~x~4)), 6626#(and (<= ULTIMATE.start_main_~x~4 33) (<= 33 ULTIMATE.start_main_~x~4)), 6627#(and (<= 34 ULTIMATE.start_main_~x~4) (<= ULTIMATE.start_main_~x~4 34)), 6628#(and (<= ULTIMATE.start_main_~x~4 35) (<= 35 ULTIMATE.start_main_~x~4)), 6591#true] [2018-07-23 13:49:51,821 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 13:49:51,822 INFO L450 AbstractCegarLoop]: Interpolant automaton has 38 states [2018-07-23 13:49:51,822 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 38 interpolants. [2018-07-23 13:49:51,823 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=73, Invalid=1333, Unknown=0, NotChecked=0, Total=1406 [2018-07-23 13:49:51,823 INFO L87 Difference]: Start difference. First operand 75 states and 75 transitions. Second operand 38 states. [2018-07-23 13:49:52,106 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-07-23 13:49:52,107 INFO L93 Difference]: Finished difference Result 79 states and 79 transitions. [2018-07-23 13:49:52,107 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 38 states. [2018-07-23 13:49:52,107 INFO L78 Accepts]: Start accepts. Automaton has 38 states. Word has length 74 [2018-07-23 13:49:52,108 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-07-23 13:49:52,108 INFO L225 Difference]: With dead ends: 79 [2018-07-23 13:49:52,108 INFO L226 Difference]: Without dead ends: 77 [2018-07-23 13:49:52,110 INFO L575 BasicCegarLoop]: 0 DeclaredPredicates, 37 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 36 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=73, Invalid=1333, Unknown=0, NotChecked=0, Total=1406 [2018-07-23 13:49:52,110 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 77 states. [2018-07-23 13:49:52,116 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 77 to 77. [2018-07-23 13:49:52,116 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 77 states. [2018-07-23 13:49:52,116 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 77 states to 77 states and 77 transitions. [2018-07-23 13:49:52,117 INFO L78 Accepts]: Start accepts. Automaton has 77 states and 77 transitions. Word has length 74 [2018-07-23 13:49:52,117 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-07-23 13:49:52,117 INFO L471 AbstractCegarLoop]: Abstraction has 77 states and 77 transitions. [2018-07-23 13:49:52,117 INFO L472 AbstractCegarLoop]: Interpolant automaton has 38 states. [2018-07-23 13:49:52,117 INFO L276 IsEmpty]: Start isEmpty. Operand 77 states and 77 transitions. [2018-07-23 13:49:52,118 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 77 [2018-07-23 13:49:52,118 INFO L349 BasicCegarLoop]: Found error trace [2018-07-23 13:49:52,118 INFO L357 BasicCegarLoop]: trace histogram [37, 36, 1, 1, 1] [2018-07-23 13:49:52,119 INFO L414 AbstractCegarLoop]: === Iteration 37 === [ULTIMATE.startErr0AssertViolationASSERT]=== [2018-07-23 13:49:52,119 INFO L82 PathProgramCache]: Analyzing trace with hash 497037039, now seen corresponding path program 36 times [2018-07-23 13:49:52,120 INFO L69 tionRefinementEngine]: Using refinement strategy FixedRefinementStrategy [2018-07-23 13:49:52,146 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-07-23 13:49:52,439 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 13:49:52,439 INFO L309 seRefinementStrategy]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2018-07-23 13:49:52,439 INFO L324 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [38] total 38 [2018-07-23 13:49:52,439 INFO L142 lantAutomatonBuilder]: Constructing canonical interpolant automaton, with selfloop in false state [2018-07-23 13:49:52,440 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-07-23 13:49:52,440 INFO L185 omatonBuilderFactory]: Interpolants [6976#(and (<= ULTIMATE.start_main_~x~4 33) (<= 33 ULTIMATE.start_main_~x~4)), 6977#(and (<= 34 ULTIMATE.start_main_~x~4) (<= ULTIMATE.start_main_~x~4 34)), 6978#(and (<= ULTIMATE.start_main_~x~4 35) (<= 35 ULTIMATE.start_main_~x~4)), 6979#(and (<= 36 ULTIMATE.start_main_~x~4) (<= ULTIMATE.start_main_~x~4 36)), 6941#true, 6942#false, 6943#(and (<= ULTIMATE.start_main_~x~4 0) (<= 0 ULTIMATE.start_main_~x~4)), 6944#(and (<= ULTIMATE.start_main_~x~4 1) (<= 1 ULTIMATE.start_main_~x~4)), 6945#(and (<= 2 ULTIMATE.start_main_~x~4) (<= ULTIMATE.start_main_~x~4 2)), 6946#(and (<= 3 ULTIMATE.start_main_~x~4) (<= ULTIMATE.start_main_~x~4 3)), 6947#(and (<= ULTIMATE.start_main_~x~4 4) (<= 4 ULTIMATE.start_main_~x~4)), 6948#(and (<= ULTIMATE.start_main_~x~4 5) (<= 5 ULTIMATE.start_main_~x~4)), 6949#(and (<= 6 ULTIMATE.start_main_~x~4) (<= ULTIMATE.start_main_~x~4 6)), 6950#(and (<= ULTIMATE.start_main_~x~4 7) (<= 7 ULTIMATE.start_main_~x~4)), 6951#(and (<= ULTIMATE.start_main_~x~4 8) (<= 8 ULTIMATE.start_main_~x~4)), 6952#(and (<= 9 ULTIMATE.start_main_~x~4) (<= ULTIMATE.start_main_~x~4 9)), 6953#(and (<= ULTIMATE.start_main_~x~4 10) (<= 10 ULTIMATE.start_main_~x~4)), 6954#(and (<= ULTIMATE.start_main_~x~4 11) (<= 11 ULTIMATE.start_main_~x~4)), 6955#(and (<= 12 ULTIMATE.start_main_~x~4) (<= ULTIMATE.start_main_~x~4 12)), 6956#(and (<= ULTIMATE.start_main_~x~4 13) (<= 13 ULTIMATE.start_main_~x~4)), 6957#(and (<= 14 ULTIMATE.start_main_~x~4) (<= ULTIMATE.start_main_~x~4 14)), 6958#(and (<= 15 ULTIMATE.start_main_~x~4) (<= ULTIMATE.start_main_~x~4 15)), 6959#(and (<= ULTIMATE.start_main_~x~4 16) (<= 16 ULTIMATE.start_main_~x~4)), 6960#(and (<= ULTIMATE.start_main_~x~4 17) (<= 17 ULTIMATE.start_main_~x~4)), 6961#(and (<= 18 ULTIMATE.start_main_~x~4) (<= ULTIMATE.start_main_~x~4 18)), 6962#(and (<= 19 ULTIMATE.start_main_~x~4) (<= ULTIMATE.start_main_~x~4 19)), 6963#(and (<= 20 ULTIMATE.start_main_~x~4) (<= ULTIMATE.start_main_~x~4 20)), 6964#(and (<= ULTIMATE.start_main_~x~4 21) (<= 21 ULTIMATE.start_main_~x~4)), 6965#(and (<= ULTIMATE.start_main_~x~4 22) (<= 22 ULTIMATE.start_main_~x~4)), 6966#(and (<= ULTIMATE.start_main_~x~4 23) (<= 23 ULTIMATE.start_main_~x~4)), 6967#(and (<= ULTIMATE.start_main_~x~4 24) (<= 24 ULTIMATE.start_main_~x~4)), 6968#(and (<= ULTIMATE.start_main_~x~4 25) (<= 25 ULTIMATE.start_main_~x~4)), 6969#(and (<= ULTIMATE.start_main_~x~4 26) (<= 26 ULTIMATE.start_main_~x~4)), 6970#(and (<= ULTIMATE.start_main_~x~4 27) (<= 27 ULTIMATE.start_main_~x~4)), 6971#(and (<= ULTIMATE.start_main_~x~4 28) (<= 28 ULTIMATE.start_main_~x~4)), 6972#(and (<= 29 ULTIMATE.start_main_~x~4) (<= ULTIMATE.start_main_~x~4 29)), 6973#(and (<= ULTIMATE.start_main_~x~4 30) (<= 30 ULTIMATE.start_main_~x~4)), 6974#(and (<= ULTIMATE.start_main_~x~4 31) (<= 31 ULTIMATE.start_main_~x~4)), 6975#(and (<= ULTIMATE.start_main_~x~4 32) (<= 32 ULTIMATE.start_main_~x~4))] [2018-07-23 13:49:52,440 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 13:49:52,441 INFO L450 AbstractCegarLoop]: Interpolant automaton has 39 states [2018-07-23 13:49:52,441 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 39 interpolants. [2018-07-23 13:49:52,446 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=75, Invalid=1407, Unknown=0, NotChecked=0, Total=1482 [2018-07-23 13:49:52,446 INFO L87 Difference]: Start difference. First operand 77 states and 77 transitions. Second operand 39 states. [2018-07-23 13:49:52,697 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-07-23 13:49:52,698 INFO L93 Difference]: Finished difference Result 81 states and 81 transitions. [2018-07-23 13:49:52,698 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 39 states. [2018-07-23 13:49:52,698 INFO L78 Accepts]: Start accepts. Automaton has 39 states. Word has length 76 [2018-07-23 13:49:52,699 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-07-23 13:49:52,699 INFO L225 Difference]: With dead ends: 81 [2018-07-23 13:49:52,699 INFO L226 Difference]: Without dead ends: 79 [2018-07-23 13:49:52,700 INFO L575 BasicCegarLoop]: 0 DeclaredPredicates, 38 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 37 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=75, Invalid=1407, Unknown=0, NotChecked=0, Total=1482 [2018-07-23 13:49:52,700 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 79 states. [2018-07-23 13:49:52,705 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 79 to 79. [2018-07-23 13:49:52,705 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 79 states. [2018-07-23 13:49:52,706 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 79 states to 79 states and 79 transitions. [2018-07-23 13:49:52,706 INFO L78 Accepts]: Start accepts. Automaton has 79 states and 79 transitions. Word has length 76 [2018-07-23 13:49:52,706 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-07-23 13:49:52,706 INFO L471 AbstractCegarLoop]: Abstraction has 79 states and 79 transitions. [2018-07-23 13:49:52,707 INFO L472 AbstractCegarLoop]: Interpolant automaton has 39 states. [2018-07-23 13:49:52,707 INFO L276 IsEmpty]: Start isEmpty. Operand 79 states and 79 transitions. [2018-07-23 13:49:52,707 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 79 [2018-07-23 13:49:52,707 INFO L349 BasicCegarLoop]: Found error trace [2018-07-23 13:49:52,708 INFO L357 BasicCegarLoop]: trace histogram [38, 37, 1, 1, 1] [2018-07-23 13:49:52,708 INFO L414 AbstractCegarLoop]: === Iteration 38 === [ULTIMATE.startErr0AssertViolationASSERT]=== [2018-07-23 13:49:52,708 INFO L82 PathProgramCache]: Analyzing trace with hash 911276713, now seen corresponding path program 37 times [2018-07-23 13:49:52,708 INFO L69 tionRefinementEngine]: Using refinement strategy FixedRefinementStrategy [2018-07-23 13:49:52,729 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-07-23 13:49:52,961 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 13:49:52,961 INFO L309 seRefinementStrategy]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2018-07-23 13:49:52,961 INFO L324 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [39] total 39 [2018-07-23 13:49:52,962 INFO L142 lantAutomatonBuilder]: Constructing canonical interpolant automaton, with selfloop in false state [2018-07-23 13:49:52,962 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-07-23 13:49:52,962 INFO L185 omatonBuilderFactory]: Interpolants [7300#true, 7301#false, 7302#(and (<= ULTIMATE.start_main_~x~4 0) (<= 0 ULTIMATE.start_main_~x~4)), 7303#(and (<= ULTIMATE.start_main_~x~4 1) (<= 1 ULTIMATE.start_main_~x~4)), 7304#(and (<= 2 ULTIMATE.start_main_~x~4) (<= ULTIMATE.start_main_~x~4 2)), 7305#(and (<= 3 ULTIMATE.start_main_~x~4) (<= ULTIMATE.start_main_~x~4 3)), 7306#(and (<= ULTIMATE.start_main_~x~4 4) (<= 4 ULTIMATE.start_main_~x~4)), 7307#(and (<= ULTIMATE.start_main_~x~4 5) (<= 5 ULTIMATE.start_main_~x~4)), 7308#(and (<= 6 ULTIMATE.start_main_~x~4) (<= ULTIMATE.start_main_~x~4 6)), 7309#(and (<= ULTIMATE.start_main_~x~4 7) (<= 7 ULTIMATE.start_main_~x~4)), 7310#(and (<= ULTIMATE.start_main_~x~4 8) (<= 8 ULTIMATE.start_main_~x~4)), 7311#(and (<= 9 ULTIMATE.start_main_~x~4) (<= ULTIMATE.start_main_~x~4 9)), 7312#(and (<= ULTIMATE.start_main_~x~4 10) (<= 10 ULTIMATE.start_main_~x~4)), 7313#(and (<= ULTIMATE.start_main_~x~4 11) (<= 11 ULTIMATE.start_main_~x~4)), 7314#(and (<= 12 ULTIMATE.start_main_~x~4) (<= ULTIMATE.start_main_~x~4 12)), 7315#(and (<= ULTIMATE.start_main_~x~4 13) (<= 13 ULTIMATE.start_main_~x~4)), 7316#(and (<= 14 ULTIMATE.start_main_~x~4) (<= ULTIMATE.start_main_~x~4 14)), 7317#(and (<= 15 ULTIMATE.start_main_~x~4) (<= ULTIMATE.start_main_~x~4 15)), 7318#(and (<= ULTIMATE.start_main_~x~4 16) (<= 16 ULTIMATE.start_main_~x~4)), 7319#(and (<= ULTIMATE.start_main_~x~4 17) (<= 17 ULTIMATE.start_main_~x~4)), 7320#(and (<= 18 ULTIMATE.start_main_~x~4) (<= ULTIMATE.start_main_~x~4 18)), 7321#(and (<= 19 ULTIMATE.start_main_~x~4) (<= ULTIMATE.start_main_~x~4 19)), 7322#(and (<= 20 ULTIMATE.start_main_~x~4) (<= ULTIMATE.start_main_~x~4 20)), 7323#(and (<= ULTIMATE.start_main_~x~4 21) (<= 21 ULTIMATE.start_main_~x~4)), 7324#(and (<= ULTIMATE.start_main_~x~4 22) (<= 22 ULTIMATE.start_main_~x~4)), 7325#(and (<= ULTIMATE.start_main_~x~4 23) (<= 23 ULTIMATE.start_main_~x~4)), 7326#(and (<= ULTIMATE.start_main_~x~4 24) (<= 24 ULTIMATE.start_main_~x~4)), 7327#(and (<= ULTIMATE.start_main_~x~4 25) (<= 25 ULTIMATE.start_main_~x~4)), 7328#(and (<= ULTIMATE.start_main_~x~4 26) (<= 26 ULTIMATE.start_main_~x~4)), 7329#(and (<= ULTIMATE.start_main_~x~4 27) (<= 27 ULTIMATE.start_main_~x~4)), 7330#(and (<= ULTIMATE.start_main_~x~4 28) (<= 28 ULTIMATE.start_main_~x~4)), 7331#(and (<= 29 ULTIMATE.start_main_~x~4) (<= ULTIMATE.start_main_~x~4 29)), 7332#(and (<= ULTIMATE.start_main_~x~4 30) (<= 30 ULTIMATE.start_main_~x~4)), 7333#(and (<= ULTIMATE.start_main_~x~4 31) (<= 31 ULTIMATE.start_main_~x~4)), 7334#(and (<= ULTIMATE.start_main_~x~4 32) (<= 32 ULTIMATE.start_main_~x~4)), 7335#(and (<= ULTIMATE.start_main_~x~4 33) (<= 33 ULTIMATE.start_main_~x~4)), 7336#(and (<= 34 ULTIMATE.start_main_~x~4) (<= ULTIMATE.start_main_~x~4 34)), 7337#(and (<= ULTIMATE.start_main_~x~4 35) (<= 35 ULTIMATE.start_main_~x~4)), 7338#(and (<= 36 ULTIMATE.start_main_~x~4) (<= ULTIMATE.start_main_~x~4 36)), 7339#(and (<= ULTIMATE.start_main_~x~4 37) (<= 37 ULTIMATE.start_main_~x~4))] [2018-07-23 13:49:52,963 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 13:49:52,963 INFO L450 AbstractCegarLoop]: Interpolant automaton has 40 states [2018-07-23 13:49:52,963 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 40 interpolants. [2018-07-23 13:49:52,964 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=77, Invalid=1483, Unknown=0, NotChecked=0, Total=1560 [2018-07-23 13:49:52,965 INFO L87 Difference]: Start difference. First operand 79 states and 79 transitions. Second operand 40 states. [2018-07-23 13:49:53,235 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-07-23 13:49:53,235 INFO L93 Difference]: Finished difference Result 83 states and 83 transitions. [2018-07-23 13:49:53,236 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 40 states. [2018-07-23 13:49:53,236 INFO L78 Accepts]: Start accepts. Automaton has 40 states. Word has length 78 [2018-07-23 13:49:53,236 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-07-23 13:49:53,237 INFO L225 Difference]: With dead ends: 83 [2018-07-23 13:49:53,237 INFO L226 Difference]: Without dead ends: 81 [2018-07-23 13:49:53,238 INFO L575 BasicCegarLoop]: 0 DeclaredPredicates, 39 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 38 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=77, Invalid=1483, Unknown=0, NotChecked=0, Total=1560 [2018-07-23 13:49:53,238 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 81 states. [2018-07-23 13:49:53,244 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 81 to 81. [2018-07-23 13:49:53,244 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 81 states. [2018-07-23 13:49:53,245 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 81 states to 81 states and 81 transitions. [2018-07-23 13:49:53,245 INFO L78 Accepts]: Start accepts. Automaton has 81 states and 81 transitions. Word has length 78 [2018-07-23 13:49:53,245 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-07-23 13:49:53,245 INFO L471 AbstractCegarLoop]: Abstraction has 81 states and 81 transitions. [2018-07-23 13:49:53,246 INFO L472 AbstractCegarLoop]: Interpolant automaton has 40 states. [2018-07-23 13:49:53,246 INFO L276 IsEmpty]: Start isEmpty. Operand 81 states and 81 transitions. [2018-07-23 13:49:53,246 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 81 [2018-07-23 13:49:53,247 INFO L349 BasicCegarLoop]: Found error trace [2018-07-23 13:49:53,247 INFO L357 BasicCegarLoop]: trace histogram [39, 38, 1, 1, 1] [2018-07-23 13:49:53,247 INFO L414 AbstractCegarLoop]: === Iteration 39 === [ULTIMATE.startErr0AssertViolationASSERT]=== [2018-07-23 13:49:53,247 INFO L82 PathProgramCache]: Analyzing trace with hash -436355101, now seen corresponding path program 38 times [2018-07-23 13:49:53,247 INFO L69 tionRefinementEngine]: Using refinement strategy FixedRefinementStrategy [2018-07-23 13:49:53,268 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-07-23 13:49:53,499 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 13:49:53,499 INFO L309 seRefinementStrategy]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2018-07-23 13:49:53,500 INFO L324 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [40] total 40 [2018-07-23 13:49:53,500 INFO L142 lantAutomatonBuilder]: Constructing canonical interpolant automaton, with selfloop in false state [2018-07-23 13:49:53,500 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-07-23 13:49:53,500 INFO L185 omatonBuilderFactory]: Interpolants [7680#(and (<= ULTIMATE.start_main_~x~4 10) (<= 10 ULTIMATE.start_main_~x~4)), 7681#(and (<= ULTIMATE.start_main_~x~4 11) (<= 11 ULTIMATE.start_main_~x~4)), 7682#(and (<= 12 ULTIMATE.start_main_~x~4) (<= ULTIMATE.start_main_~x~4 12)), 7683#(and (<= ULTIMATE.start_main_~x~4 13) (<= 13 ULTIMATE.start_main_~x~4)), 7684#(and (<= 14 ULTIMATE.start_main_~x~4) (<= ULTIMATE.start_main_~x~4 14)), 7685#(and (<= 15 ULTIMATE.start_main_~x~4) (<= ULTIMATE.start_main_~x~4 15)), 7686#(and (<= ULTIMATE.start_main_~x~4 16) (<= 16 ULTIMATE.start_main_~x~4)), 7687#(and (<= ULTIMATE.start_main_~x~4 17) (<= 17 ULTIMATE.start_main_~x~4)), 7688#(and (<= 18 ULTIMATE.start_main_~x~4) (<= ULTIMATE.start_main_~x~4 18)), 7689#(and (<= 19 ULTIMATE.start_main_~x~4) (<= ULTIMATE.start_main_~x~4 19)), 7690#(and (<= 20 ULTIMATE.start_main_~x~4) (<= ULTIMATE.start_main_~x~4 20)), 7691#(and (<= ULTIMATE.start_main_~x~4 21) (<= 21 ULTIMATE.start_main_~x~4)), 7692#(and (<= ULTIMATE.start_main_~x~4 22) (<= 22 ULTIMATE.start_main_~x~4)), 7693#(and (<= ULTIMATE.start_main_~x~4 23) (<= 23 ULTIMATE.start_main_~x~4)), 7694#(and (<= ULTIMATE.start_main_~x~4 24) (<= 24 ULTIMATE.start_main_~x~4)), 7695#(and (<= ULTIMATE.start_main_~x~4 25) (<= 25 ULTIMATE.start_main_~x~4)), 7696#(and (<= ULTIMATE.start_main_~x~4 26) (<= 26 ULTIMATE.start_main_~x~4)), 7697#(and (<= ULTIMATE.start_main_~x~4 27) (<= 27 ULTIMATE.start_main_~x~4)), 7698#(and (<= ULTIMATE.start_main_~x~4 28) (<= 28 ULTIMATE.start_main_~x~4)), 7699#(and (<= 29 ULTIMATE.start_main_~x~4) (<= ULTIMATE.start_main_~x~4 29)), 7700#(and (<= ULTIMATE.start_main_~x~4 30) (<= 30 ULTIMATE.start_main_~x~4)), 7701#(and (<= ULTIMATE.start_main_~x~4 31) (<= 31 ULTIMATE.start_main_~x~4)), 7702#(and (<= ULTIMATE.start_main_~x~4 32) (<= 32 ULTIMATE.start_main_~x~4)), 7703#(and (<= ULTIMATE.start_main_~x~4 33) (<= 33 ULTIMATE.start_main_~x~4)), 7704#(and (<= 34 ULTIMATE.start_main_~x~4) (<= ULTIMATE.start_main_~x~4 34)), 7705#(and (<= ULTIMATE.start_main_~x~4 35) (<= 35 ULTIMATE.start_main_~x~4)), 7706#(and (<= 36 ULTIMATE.start_main_~x~4) (<= ULTIMATE.start_main_~x~4 36)), 7707#(and (<= ULTIMATE.start_main_~x~4 37) (<= 37 ULTIMATE.start_main_~x~4)), 7708#(and (<= 38 ULTIMATE.start_main_~x~4) (<= ULTIMATE.start_main_~x~4 38)), 7668#true, 7669#false, 7670#(and (<= ULTIMATE.start_main_~x~4 0) (<= 0 ULTIMATE.start_main_~x~4)), 7671#(and (<= ULTIMATE.start_main_~x~4 1) (<= 1 ULTIMATE.start_main_~x~4)), 7672#(and (<= 2 ULTIMATE.start_main_~x~4) (<= ULTIMATE.start_main_~x~4 2)), 7673#(and (<= 3 ULTIMATE.start_main_~x~4) (<= ULTIMATE.start_main_~x~4 3)), 7674#(and (<= ULTIMATE.start_main_~x~4 4) (<= 4 ULTIMATE.start_main_~x~4)), 7675#(and (<= ULTIMATE.start_main_~x~4 5) (<= 5 ULTIMATE.start_main_~x~4)), 7676#(and (<= 6 ULTIMATE.start_main_~x~4) (<= ULTIMATE.start_main_~x~4 6)), 7677#(and (<= ULTIMATE.start_main_~x~4 7) (<= 7 ULTIMATE.start_main_~x~4)), 7678#(and (<= ULTIMATE.start_main_~x~4 8) (<= 8 ULTIMATE.start_main_~x~4)), 7679#(and (<= 9 ULTIMATE.start_main_~x~4) (<= ULTIMATE.start_main_~x~4 9))] [2018-07-23 13:49:53,501 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 13:49:53,501 INFO L450 AbstractCegarLoop]: Interpolant automaton has 41 states [2018-07-23 13:49:53,501 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 41 interpolants. [2018-07-23 13:49:53,502 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=79, Invalid=1561, Unknown=0, NotChecked=0, Total=1640 [2018-07-23 13:49:53,502 INFO L87 Difference]: Start difference. First operand 81 states and 81 transitions. Second operand 41 states. [2018-07-23 13:49:53,792 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-07-23 13:49:53,792 INFO L93 Difference]: Finished difference Result 85 states and 85 transitions. [2018-07-23 13:49:53,792 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 41 states. [2018-07-23 13:49:53,792 INFO L78 Accepts]: Start accepts. Automaton has 41 states. Word has length 80 [2018-07-23 13:49:53,793 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-07-23 13:49:53,793 INFO L225 Difference]: With dead ends: 85 [2018-07-23 13:49:53,793 INFO L226 Difference]: Without dead ends: 83 [2018-07-23 13:49:53,794 INFO L575 BasicCegarLoop]: 0 DeclaredPredicates, 40 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 39 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=79, Invalid=1561, Unknown=0, NotChecked=0, Total=1640 [2018-07-23 13:49:53,795 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 83 states. [2018-07-23 13:49:53,801 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 83 to 83. [2018-07-23 13:49:53,802 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 83 states. [2018-07-23 13:49:53,802 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 83 states to 83 states and 83 transitions. [2018-07-23 13:49:53,802 INFO L78 Accepts]: Start accepts. Automaton has 83 states and 83 transitions. Word has length 80 [2018-07-23 13:49:53,802 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-07-23 13:49:53,803 INFO L471 AbstractCegarLoop]: Abstraction has 83 states and 83 transitions. [2018-07-23 13:49:53,803 INFO L472 AbstractCegarLoop]: Interpolant automaton has 41 states. [2018-07-23 13:49:53,803 INFO L276 IsEmpty]: Start isEmpty. Operand 83 states and 83 transitions. [2018-07-23 13:49:53,803 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 83 [2018-07-23 13:49:53,804 INFO L349 BasicCegarLoop]: Found error trace [2018-07-23 13:49:53,804 INFO L357 BasicCegarLoop]: trace histogram [40, 39, 1, 1, 1] [2018-07-23 13:49:53,804 INFO L414 AbstractCegarLoop]: === Iteration 40 === [ULTIMATE.startErr0AssertViolationASSERT]=== [2018-07-23 13:49:53,804 INFO L82 PathProgramCache]: Analyzing trace with hash 1569595037, now seen corresponding path program 39 times [2018-07-23 13:49:53,804 INFO L69 tionRefinementEngine]: Using refinement strategy FixedRefinementStrategy [2018-07-23 13:49:53,824 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-07-23 13:49:54,078 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 13:49:54,079 INFO L309 seRefinementStrategy]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2018-07-23 13:49:54,079 INFO L324 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [41] total 41 [2018-07-23 13:49:54,079 INFO L142 lantAutomatonBuilder]: Constructing canonical interpolant automaton, with selfloop in false state [2018-07-23 13:49:54,080 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-07-23 13:49:54,080 INFO L185 omatonBuilderFactory]: Interpolants [8064#(and (<= ULTIMATE.start_main_~x~4 17) (<= 17 ULTIMATE.start_main_~x~4)), 8065#(and (<= 18 ULTIMATE.start_main_~x~4) (<= ULTIMATE.start_main_~x~4 18)), 8066#(and (<= 19 ULTIMATE.start_main_~x~4) (<= ULTIMATE.start_main_~x~4 19)), 8067#(and (<= 20 ULTIMATE.start_main_~x~4) (<= ULTIMATE.start_main_~x~4 20)), 8068#(and (<= ULTIMATE.start_main_~x~4 21) (<= 21 ULTIMATE.start_main_~x~4)), 8069#(and (<= ULTIMATE.start_main_~x~4 22) (<= 22 ULTIMATE.start_main_~x~4)), 8070#(and (<= ULTIMATE.start_main_~x~4 23) (<= 23 ULTIMATE.start_main_~x~4)), 8071#(and (<= ULTIMATE.start_main_~x~4 24) (<= 24 ULTIMATE.start_main_~x~4)), 8072#(and (<= ULTIMATE.start_main_~x~4 25) (<= 25 ULTIMATE.start_main_~x~4)), 8073#(and (<= ULTIMATE.start_main_~x~4 26) (<= 26 ULTIMATE.start_main_~x~4)), 8074#(and (<= ULTIMATE.start_main_~x~4 27) (<= 27 ULTIMATE.start_main_~x~4)), 8075#(and (<= ULTIMATE.start_main_~x~4 28) (<= 28 ULTIMATE.start_main_~x~4)), 8076#(and (<= 29 ULTIMATE.start_main_~x~4) (<= ULTIMATE.start_main_~x~4 29)), 8077#(and (<= ULTIMATE.start_main_~x~4 30) (<= 30 ULTIMATE.start_main_~x~4)), 8078#(and (<= ULTIMATE.start_main_~x~4 31) (<= 31 ULTIMATE.start_main_~x~4)), 8079#(and (<= ULTIMATE.start_main_~x~4 32) (<= 32 ULTIMATE.start_main_~x~4)), 8080#(and (<= ULTIMATE.start_main_~x~4 33) (<= 33 ULTIMATE.start_main_~x~4)), 8081#(and (<= 34 ULTIMATE.start_main_~x~4) (<= ULTIMATE.start_main_~x~4 34)), 8082#(and (<= ULTIMATE.start_main_~x~4 35) (<= 35 ULTIMATE.start_main_~x~4)), 8083#(and (<= 36 ULTIMATE.start_main_~x~4) (<= ULTIMATE.start_main_~x~4 36)), 8084#(and (<= ULTIMATE.start_main_~x~4 37) (<= 37 ULTIMATE.start_main_~x~4)), 8085#(and (<= 38 ULTIMATE.start_main_~x~4) (<= ULTIMATE.start_main_~x~4 38)), 8086#(and (<= ULTIMATE.start_main_~x~4 39) (<= 39 ULTIMATE.start_main_~x~4)), 8045#true, 8046#false, 8047#(and (<= ULTIMATE.start_main_~x~4 0) (<= 0 ULTIMATE.start_main_~x~4)), 8048#(and (<= ULTIMATE.start_main_~x~4 1) (<= 1 ULTIMATE.start_main_~x~4)), 8049#(and (<= 2 ULTIMATE.start_main_~x~4) (<= ULTIMATE.start_main_~x~4 2)), 8050#(and (<= 3 ULTIMATE.start_main_~x~4) (<= ULTIMATE.start_main_~x~4 3)), 8051#(and (<= ULTIMATE.start_main_~x~4 4) (<= 4 ULTIMATE.start_main_~x~4)), 8052#(and (<= ULTIMATE.start_main_~x~4 5) (<= 5 ULTIMATE.start_main_~x~4)), 8053#(and (<= 6 ULTIMATE.start_main_~x~4) (<= ULTIMATE.start_main_~x~4 6)), 8054#(and (<= ULTIMATE.start_main_~x~4 7) (<= 7 ULTIMATE.start_main_~x~4)), 8055#(and (<= ULTIMATE.start_main_~x~4 8) (<= 8 ULTIMATE.start_main_~x~4)), 8056#(and (<= 9 ULTIMATE.start_main_~x~4) (<= ULTIMATE.start_main_~x~4 9)), 8057#(and (<= ULTIMATE.start_main_~x~4 10) (<= 10 ULTIMATE.start_main_~x~4)), 8058#(and (<= ULTIMATE.start_main_~x~4 11) (<= 11 ULTIMATE.start_main_~x~4)), 8059#(and (<= 12 ULTIMATE.start_main_~x~4) (<= ULTIMATE.start_main_~x~4 12)), 8060#(and (<= ULTIMATE.start_main_~x~4 13) (<= 13 ULTIMATE.start_main_~x~4)), 8061#(and (<= 14 ULTIMATE.start_main_~x~4) (<= ULTIMATE.start_main_~x~4 14)), 8062#(and (<= 15 ULTIMATE.start_main_~x~4) (<= ULTIMATE.start_main_~x~4 15)), 8063#(and (<= ULTIMATE.start_main_~x~4 16) (<= 16 ULTIMATE.start_main_~x~4))] [2018-07-23 13:49:54,081 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 13:49:54,081 INFO L450 AbstractCegarLoop]: Interpolant automaton has 42 states [2018-07-23 13:49:54,081 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 42 interpolants. [2018-07-23 13:49:54,082 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=81, Invalid=1641, Unknown=0, NotChecked=0, Total=1722 [2018-07-23 13:49:54,082 INFO L87 Difference]: Start difference. First operand 83 states and 83 transitions. Second operand 42 states. [2018-07-23 13:49:54,393 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-07-23 13:49:54,394 INFO L93 Difference]: Finished difference Result 87 states and 87 transitions. [2018-07-23 13:49:54,394 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 42 states. [2018-07-23 13:49:54,394 INFO L78 Accepts]: Start accepts. Automaton has 42 states. Word has length 82 [2018-07-23 13:49:54,394 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-07-23 13:49:54,395 INFO L225 Difference]: With dead ends: 87 [2018-07-23 13:49:54,395 INFO L226 Difference]: Without dead ends: 85 [2018-07-23 13:49:54,396 INFO L575 BasicCegarLoop]: 0 DeclaredPredicates, 41 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 40 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=81, Invalid=1641, Unknown=0, NotChecked=0, Total=1722 [2018-07-23 13:49:54,396 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 85 states. [2018-07-23 13:49:54,401 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 85 to 85. [2018-07-23 13:49:54,401 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 85 states. [2018-07-23 13:49:54,402 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 85 states to 85 states and 85 transitions. [2018-07-23 13:49:54,402 INFO L78 Accepts]: Start accepts. Automaton has 85 states and 85 transitions. Word has length 82 [2018-07-23 13:49:54,402 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-07-23 13:49:54,402 INFO L471 AbstractCegarLoop]: Abstraction has 85 states and 85 transitions. [2018-07-23 13:49:54,402 INFO L472 AbstractCegarLoop]: Interpolant automaton has 42 states. [2018-07-23 13:49:54,403 INFO L276 IsEmpty]: Start isEmpty. Operand 85 states and 85 transitions. [2018-07-23 13:49:54,403 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 85 [2018-07-23 13:49:54,403 INFO L349 BasicCegarLoop]: Found error trace [2018-07-23 13:49:54,403 INFO L357 BasicCegarLoop]: trace histogram [41, 40, 1, 1, 1] [2018-07-23 13:49:54,404 INFO L414 AbstractCegarLoop]: === Iteration 41 === [ULTIMATE.startErr0AssertViolationASSERT]=== [2018-07-23 13:49:54,404 INFO L82 PathProgramCache]: Analyzing trace with hash 847361751, now seen corresponding path program 40 times [2018-07-23 13:49:54,404 INFO L69 tionRefinementEngine]: Using refinement strategy FixedRefinementStrategy [2018-07-23 13:49:54,428 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-07-23 13:49:54,691 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 13:49:54,691 INFO L309 seRefinementStrategy]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2018-07-23 13:49:54,691 INFO L324 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [42] total 42 [2018-07-23 13:49:54,692 INFO L142 lantAutomatonBuilder]: Constructing canonical interpolant automaton, with selfloop in false state [2018-07-23 13:49:54,692 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-07-23 13:49:54,692 INFO L185 omatonBuilderFactory]: Interpolants [8448#(and (<= 15 ULTIMATE.start_main_~x~4) (<= ULTIMATE.start_main_~x~4 15)), 8449#(and (<= ULTIMATE.start_main_~x~4 16) (<= 16 ULTIMATE.start_main_~x~4)), 8450#(and (<= ULTIMATE.start_main_~x~4 17) (<= 17 ULTIMATE.start_main_~x~4)), 8451#(and (<= 18 ULTIMATE.start_main_~x~4) (<= ULTIMATE.start_main_~x~4 18)), 8452#(and (<= 19 ULTIMATE.start_main_~x~4) (<= ULTIMATE.start_main_~x~4 19)), 8453#(and (<= 20 ULTIMATE.start_main_~x~4) (<= ULTIMATE.start_main_~x~4 20)), 8454#(and (<= ULTIMATE.start_main_~x~4 21) (<= 21 ULTIMATE.start_main_~x~4)), 8455#(and (<= ULTIMATE.start_main_~x~4 22) (<= 22 ULTIMATE.start_main_~x~4)), 8456#(and (<= ULTIMATE.start_main_~x~4 23) (<= 23 ULTIMATE.start_main_~x~4)), 8457#(and (<= ULTIMATE.start_main_~x~4 24) (<= 24 ULTIMATE.start_main_~x~4)), 8458#(and (<= ULTIMATE.start_main_~x~4 25) (<= 25 ULTIMATE.start_main_~x~4)), 8459#(and (<= ULTIMATE.start_main_~x~4 26) (<= 26 ULTIMATE.start_main_~x~4)), 8460#(and (<= ULTIMATE.start_main_~x~4 27) (<= 27 ULTIMATE.start_main_~x~4)), 8461#(and (<= ULTIMATE.start_main_~x~4 28) (<= 28 ULTIMATE.start_main_~x~4)), 8462#(and (<= 29 ULTIMATE.start_main_~x~4) (<= ULTIMATE.start_main_~x~4 29)), 8463#(and (<= ULTIMATE.start_main_~x~4 30) (<= 30 ULTIMATE.start_main_~x~4)), 8464#(and (<= ULTIMATE.start_main_~x~4 31) (<= 31 ULTIMATE.start_main_~x~4)), 8465#(and (<= ULTIMATE.start_main_~x~4 32) (<= 32 ULTIMATE.start_main_~x~4)), 8466#(and (<= ULTIMATE.start_main_~x~4 33) (<= 33 ULTIMATE.start_main_~x~4)), 8467#(and (<= 34 ULTIMATE.start_main_~x~4) (<= ULTIMATE.start_main_~x~4 34)), 8468#(and (<= ULTIMATE.start_main_~x~4 35) (<= 35 ULTIMATE.start_main_~x~4)), 8469#(and (<= 36 ULTIMATE.start_main_~x~4) (<= ULTIMATE.start_main_~x~4 36)), 8470#(and (<= ULTIMATE.start_main_~x~4 37) (<= 37 ULTIMATE.start_main_~x~4)), 8471#(and (<= 38 ULTIMATE.start_main_~x~4) (<= ULTIMATE.start_main_~x~4 38)), 8472#(and (<= ULTIMATE.start_main_~x~4 39) (<= 39 ULTIMATE.start_main_~x~4)), 8473#(and (<= ULTIMATE.start_main_~x~4 40) (<= 40 ULTIMATE.start_main_~x~4)), 8431#true, 8432#false, 8433#(and (<= ULTIMATE.start_main_~x~4 0) (<= 0 ULTIMATE.start_main_~x~4)), 8434#(and (<= ULTIMATE.start_main_~x~4 1) (<= 1 ULTIMATE.start_main_~x~4)), 8435#(and (<= 2 ULTIMATE.start_main_~x~4) (<= ULTIMATE.start_main_~x~4 2)), 8436#(and (<= 3 ULTIMATE.start_main_~x~4) (<= ULTIMATE.start_main_~x~4 3)), 8437#(and (<= ULTIMATE.start_main_~x~4 4) (<= 4 ULTIMATE.start_main_~x~4)), 8438#(and (<= ULTIMATE.start_main_~x~4 5) (<= 5 ULTIMATE.start_main_~x~4)), 8439#(and (<= 6 ULTIMATE.start_main_~x~4) (<= ULTIMATE.start_main_~x~4 6)), 8440#(and (<= ULTIMATE.start_main_~x~4 7) (<= 7 ULTIMATE.start_main_~x~4)), 8441#(and (<= ULTIMATE.start_main_~x~4 8) (<= 8 ULTIMATE.start_main_~x~4)), 8442#(and (<= 9 ULTIMATE.start_main_~x~4) (<= ULTIMATE.start_main_~x~4 9)), 8443#(and (<= ULTIMATE.start_main_~x~4 10) (<= 10 ULTIMATE.start_main_~x~4)), 8444#(and (<= ULTIMATE.start_main_~x~4 11) (<= 11 ULTIMATE.start_main_~x~4)), 8445#(and (<= 12 ULTIMATE.start_main_~x~4) (<= ULTIMATE.start_main_~x~4 12)), 8446#(and (<= ULTIMATE.start_main_~x~4 13) (<= 13 ULTIMATE.start_main_~x~4)), 8447#(and (<= 14 ULTIMATE.start_main_~x~4) (<= ULTIMATE.start_main_~x~4 14))] [2018-07-23 13:49:54,693 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 13:49:54,693 INFO L450 AbstractCegarLoop]: Interpolant automaton has 43 states [2018-07-23 13:49:54,693 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 43 interpolants. [2018-07-23 13:49:54,697 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=83, Invalid=1723, Unknown=0, NotChecked=0, Total=1806 [2018-07-23 13:49:54,697 INFO L87 Difference]: Start difference. First operand 85 states and 85 transitions. Second operand 43 states. [2018-07-23 13:49:55,001 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-07-23 13:49:55,002 INFO L93 Difference]: Finished difference Result 89 states and 89 transitions. [2018-07-23 13:49:55,002 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 43 states. [2018-07-23 13:49:55,002 INFO L78 Accepts]: Start accepts. Automaton has 43 states. Word has length 84 [2018-07-23 13:49:55,002 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-07-23 13:49:55,003 INFO L225 Difference]: With dead ends: 89 [2018-07-23 13:49:55,003 INFO L226 Difference]: Without dead ends: 87 [2018-07-23 13:49:55,005 INFO L575 BasicCegarLoop]: 0 DeclaredPredicates, 42 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 41 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=83, Invalid=1723, Unknown=0, NotChecked=0, Total=1806 [2018-07-23 13:49:55,006 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 87 states. [2018-07-23 13:49:55,011 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 87 to 87. [2018-07-23 13:49:55,012 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 87 states. [2018-07-23 13:49:55,012 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 87 states to 87 states and 87 transitions. [2018-07-23 13:49:55,012 INFO L78 Accepts]: Start accepts. Automaton has 87 states and 87 transitions. Word has length 84 [2018-07-23 13:49:55,012 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-07-23 13:49:55,013 INFO L471 AbstractCegarLoop]: Abstraction has 87 states and 87 transitions. [2018-07-23 13:49:55,013 INFO L472 AbstractCegarLoop]: Interpolant automaton has 43 states. [2018-07-23 13:49:55,013 INFO L276 IsEmpty]: Start isEmpty. Operand 87 states and 87 transitions. [2018-07-23 13:49:55,014 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 87 [2018-07-23 13:49:55,014 INFO L349 BasicCegarLoop]: Found error trace [2018-07-23 13:49:55,014 INFO L357 BasicCegarLoop]: trace histogram [42, 41, 1, 1, 1] [2018-07-23 13:49:55,014 INFO L414 AbstractCegarLoop]: === Iteration 42 === [ULTIMATE.startErr0AssertViolationASSERT]=== [2018-07-23 13:49:55,015 INFO L82 PathProgramCache]: Analyzing trace with hash -1729091439, now seen corresponding path program 41 times [2018-07-23 13:49:55,015 INFO L69 tionRefinementEngine]: Using refinement strategy FixedRefinementStrategy [2018-07-23 13:49:55,041 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-07-23 13:49:55,317 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 13:49:55,317 INFO L309 seRefinementStrategy]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2018-07-23 13:49:55,317 INFO L324 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [43] total 43 [2018-07-23 13:49:55,317 INFO L142 lantAutomatonBuilder]: Constructing canonical interpolant automaton, with selfloop in false state [2018-07-23 13:49:55,318 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-07-23 13:49:55,318 INFO L185 omatonBuilderFactory]: Interpolants [8832#(and (<= ULTIMATE.start_main_~x~4 4) (<= 4 ULTIMATE.start_main_~x~4)), 8833#(and (<= ULTIMATE.start_main_~x~4 5) (<= 5 ULTIMATE.start_main_~x~4)), 8834#(and (<= 6 ULTIMATE.start_main_~x~4) (<= ULTIMATE.start_main_~x~4 6)), 8835#(and (<= ULTIMATE.start_main_~x~4 7) (<= 7 ULTIMATE.start_main_~x~4)), 8836#(and (<= ULTIMATE.start_main_~x~4 8) (<= 8 ULTIMATE.start_main_~x~4)), 8837#(and (<= 9 ULTIMATE.start_main_~x~4) (<= ULTIMATE.start_main_~x~4 9)), 8838#(and (<= ULTIMATE.start_main_~x~4 10) (<= 10 ULTIMATE.start_main_~x~4)), 8839#(and (<= ULTIMATE.start_main_~x~4 11) (<= 11 ULTIMATE.start_main_~x~4)), 8840#(and (<= 12 ULTIMATE.start_main_~x~4) (<= ULTIMATE.start_main_~x~4 12)), 8841#(and (<= ULTIMATE.start_main_~x~4 13) (<= 13 ULTIMATE.start_main_~x~4)), 8842#(and (<= 14 ULTIMATE.start_main_~x~4) (<= ULTIMATE.start_main_~x~4 14)), 8843#(and (<= 15 ULTIMATE.start_main_~x~4) (<= ULTIMATE.start_main_~x~4 15)), 8844#(and (<= ULTIMATE.start_main_~x~4 16) (<= 16 ULTIMATE.start_main_~x~4)), 8845#(and (<= ULTIMATE.start_main_~x~4 17) (<= 17 ULTIMATE.start_main_~x~4)), 8846#(and (<= 18 ULTIMATE.start_main_~x~4) (<= ULTIMATE.start_main_~x~4 18)), 8847#(and (<= 19 ULTIMATE.start_main_~x~4) (<= ULTIMATE.start_main_~x~4 19)), 8848#(and (<= 20 ULTIMATE.start_main_~x~4) (<= ULTIMATE.start_main_~x~4 20)), 8849#(and (<= ULTIMATE.start_main_~x~4 21) (<= 21 ULTIMATE.start_main_~x~4)), 8850#(and (<= ULTIMATE.start_main_~x~4 22) (<= 22 ULTIMATE.start_main_~x~4)), 8851#(and (<= ULTIMATE.start_main_~x~4 23) (<= 23 ULTIMATE.start_main_~x~4)), 8852#(and (<= ULTIMATE.start_main_~x~4 24) (<= 24 ULTIMATE.start_main_~x~4)), 8853#(and (<= ULTIMATE.start_main_~x~4 25) (<= 25 ULTIMATE.start_main_~x~4)), 8854#(and (<= ULTIMATE.start_main_~x~4 26) (<= 26 ULTIMATE.start_main_~x~4)), 8855#(and (<= ULTIMATE.start_main_~x~4 27) (<= 27 ULTIMATE.start_main_~x~4)), 8856#(and (<= ULTIMATE.start_main_~x~4 28) (<= 28 ULTIMATE.start_main_~x~4)), 8857#(and (<= 29 ULTIMATE.start_main_~x~4) (<= ULTIMATE.start_main_~x~4 29)), 8858#(and (<= ULTIMATE.start_main_~x~4 30) (<= 30 ULTIMATE.start_main_~x~4)), 8859#(and (<= ULTIMATE.start_main_~x~4 31) (<= 31 ULTIMATE.start_main_~x~4)), 8860#(and (<= ULTIMATE.start_main_~x~4 32) (<= 32 ULTIMATE.start_main_~x~4)), 8861#(and (<= ULTIMATE.start_main_~x~4 33) (<= 33 ULTIMATE.start_main_~x~4)), 8862#(and (<= 34 ULTIMATE.start_main_~x~4) (<= ULTIMATE.start_main_~x~4 34)), 8863#(and (<= ULTIMATE.start_main_~x~4 35) (<= 35 ULTIMATE.start_main_~x~4)), 8864#(and (<= 36 ULTIMATE.start_main_~x~4) (<= ULTIMATE.start_main_~x~4 36)), 8865#(and (<= ULTIMATE.start_main_~x~4 37) (<= 37 ULTIMATE.start_main_~x~4)), 8866#(and (<= 38 ULTIMATE.start_main_~x~4) (<= ULTIMATE.start_main_~x~4 38)), 8867#(and (<= ULTIMATE.start_main_~x~4 39) (<= 39 ULTIMATE.start_main_~x~4)), 8868#(and (<= ULTIMATE.start_main_~x~4 40) (<= 40 ULTIMATE.start_main_~x~4)), 8869#(and (<= ULTIMATE.start_main_~x~4 41) (<= 41 ULTIMATE.start_main_~x~4)), 8826#true, 8827#false, 8828#(and (<= ULTIMATE.start_main_~x~4 0) (<= 0 ULTIMATE.start_main_~x~4)), 8829#(and (<= ULTIMATE.start_main_~x~4 1) (<= 1 ULTIMATE.start_main_~x~4)), 8830#(and (<= 2 ULTIMATE.start_main_~x~4) (<= ULTIMATE.start_main_~x~4 2)), 8831#(and (<= 3 ULTIMATE.start_main_~x~4) (<= ULTIMATE.start_main_~x~4 3))] [2018-07-23 13:49:55,319 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 13:49:55,319 INFO L450 AbstractCegarLoop]: Interpolant automaton has 44 states [2018-07-23 13:49:55,319 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 44 interpolants. [2018-07-23 13:49:55,320 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=85, Invalid=1807, Unknown=0, NotChecked=0, Total=1892 [2018-07-23 13:49:55,320 INFO L87 Difference]: Start difference. First operand 87 states and 87 transitions. Second operand 44 states. [2018-07-23 13:49:55,680 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-07-23 13:49:55,681 INFO L93 Difference]: Finished difference Result 91 states and 91 transitions. [2018-07-23 13:49:55,681 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 44 states. [2018-07-23 13:49:55,681 INFO L78 Accepts]: Start accepts. Automaton has 44 states. Word has length 86 [2018-07-23 13:49:55,682 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-07-23 13:49:55,682 INFO L225 Difference]: With dead ends: 91 [2018-07-23 13:49:55,682 INFO L226 Difference]: Without dead ends: 89 [2018-07-23 13:49:55,684 INFO L575 BasicCegarLoop]: 0 DeclaredPredicates, 43 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 42 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=85, Invalid=1807, Unknown=0, NotChecked=0, Total=1892 [2018-07-23 13:49:55,684 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 89 states. [2018-07-23 13:49:55,691 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 89 to 89. [2018-07-23 13:49:55,692 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 89 states. [2018-07-23 13:49:55,692 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 89 states to 89 states and 89 transitions. [2018-07-23 13:49:55,693 INFO L78 Accepts]: Start accepts. Automaton has 89 states and 89 transitions. Word has length 86 [2018-07-23 13:49:55,693 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-07-23 13:49:55,693 INFO L471 AbstractCegarLoop]: Abstraction has 89 states and 89 transitions. [2018-07-23 13:49:55,693 INFO L472 AbstractCegarLoop]: Interpolant automaton has 44 states. [2018-07-23 13:49:55,693 INFO L276 IsEmpty]: Start isEmpty. Operand 89 states and 89 transitions. [2018-07-23 13:49:55,694 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 89 [2018-07-23 13:49:55,694 INFO L349 BasicCegarLoop]: Found error trace [2018-07-23 13:49:55,695 INFO L357 BasicCegarLoop]: trace histogram [43, 42, 1, 1, 1] [2018-07-23 13:49:55,695 INFO L414 AbstractCegarLoop]: === Iteration 43 === [ULTIMATE.startErr0AssertViolationASSERT]=== [2018-07-23 13:49:55,695 INFO L82 PathProgramCache]: Analyzing trace with hash 495522763, now seen corresponding path program 42 times [2018-07-23 13:49:55,696 INFO L69 tionRefinementEngine]: Using refinement strategy FixedRefinementStrategy [2018-07-23 13:49:55,731 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-07-23 13:49:56,073 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 13:49:56,073 INFO L309 seRefinementStrategy]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2018-07-23 13:49:56,073 INFO L324 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [44] total 44 [2018-07-23 13:49:56,074 INFO L142 lantAutomatonBuilder]: Constructing canonical interpolant automaton, with selfloop in false state [2018-07-23 13:49:56,074 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-07-23 13:49:56,074 INFO L185 omatonBuilderFactory]: Interpolants [9230#true, 9231#false, 9232#(and (<= ULTIMATE.start_main_~x~4 0) (<= 0 ULTIMATE.start_main_~x~4)), 9233#(and (<= ULTIMATE.start_main_~x~4 1) (<= 1 ULTIMATE.start_main_~x~4)), 9234#(and (<= 2 ULTIMATE.start_main_~x~4) (<= ULTIMATE.start_main_~x~4 2)), 9235#(and (<= 3 ULTIMATE.start_main_~x~4) (<= ULTIMATE.start_main_~x~4 3)), 9236#(and (<= ULTIMATE.start_main_~x~4 4) (<= 4 ULTIMATE.start_main_~x~4)), 9237#(and (<= ULTIMATE.start_main_~x~4 5) (<= 5 ULTIMATE.start_main_~x~4)), 9238#(and (<= 6 ULTIMATE.start_main_~x~4) (<= ULTIMATE.start_main_~x~4 6)), 9239#(and (<= ULTIMATE.start_main_~x~4 7) (<= 7 ULTIMATE.start_main_~x~4)), 9240#(and (<= ULTIMATE.start_main_~x~4 8) (<= 8 ULTIMATE.start_main_~x~4)), 9241#(and (<= 9 ULTIMATE.start_main_~x~4) (<= ULTIMATE.start_main_~x~4 9)), 9242#(and (<= ULTIMATE.start_main_~x~4 10) (<= 10 ULTIMATE.start_main_~x~4)), 9243#(and (<= ULTIMATE.start_main_~x~4 11) (<= 11 ULTIMATE.start_main_~x~4)), 9244#(and (<= 12 ULTIMATE.start_main_~x~4) (<= ULTIMATE.start_main_~x~4 12)), 9245#(and (<= ULTIMATE.start_main_~x~4 13) (<= 13 ULTIMATE.start_main_~x~4)), 9246#(and (<= 14 ULTIMATE.start_main_~x~4) (<= ULTIMATE.start_main_~x~4 14)), 9247#(and (<= 15 ULTIMATE.start_main_~x~4) (<= ULTIMATE.start_main_~x~4 15)), 9248#(and (<= ULTIMATE.start_main_~x~4 16) (<= 16 ULTIMATE.start_main_~x~4)), 9249#(and (<= ULTIMATE.start_main_~x~4 17) (<= 17 ULTIMATE.start_main_~x~4)), 9250#(and (<= 18 ULTIMATE.start_main_~x~4) (<= ULTIMATE.start_main_~x~4 18)), 9251#(and (<= 19 ULTIMATE.start_main_~x~4) (<= ULTIMATE.start_main_~x~4 19)), 9252#(and (<= 20 ULTIMATE.start_main_~x~4) (<= ULTIMATE.start_main_~x~4 20)), 9253#(and (<= ULTIMATE.start_main_~x~4 21) (<= 21 ULTIMATE.start_main_~x~4)), 9254#(and (<= ULTIMATE.start_main_~x~4 22) (<= 22 ULTIMATE.start_main_~x~4)), 9255#(and (<= ULTIMATE.start_main_~x~4 23) (<= 23 ULTIMATE.start_main_~x~4)), 9256#(and (<= ULTIMATE.start_main_~x~4 24) (<= 24 ULTIMATE.start_main_~x~4)), 9257#(and (<= ULTIMATE.start_main_~x~4 25) (<= 25 ULTIMATE.start_main_~x~4)), 9258#(and (<= ULTIMATE.start_main_~x~4 26) (<= 26 ULTIMATE.start_main_~x~4)), 9259#(and (<= ULTIMATE.start_main_~x~4 27) (<= 27 ULTIMATE.start_main_~x~4)), 9260#(and (<= ULTIMATE.start_main_~x~4 28) (<= 28 ULTIMATE.start_main_~x~4)), 9261#(and (<= 29 ULTIMATE.start_main_~x~4) (<= ULTIMATE.start_main_~x~4 29)), 9262#(and (<= ULTIMATE.start_main_~x~4 30) (<= 30 ULTIMATE.start_main_~x~4)), 9263#(and (<= ULTIMATE.start_main_~x~4 31) (<= 31 ULTIMATE.start_main_~x~4)), 9264#(and (<= ULTIMATE.start_main_~x~4 32) (<= 32 ULTIMATE.start_main_~x~4)), 9265#(and (<= ULTIMATE.start_main_~x~4 33) (<= 33 ULTIMATE.start_main_~x~4)), 9266#(and (<= 34 ULTIMATE.start_main_~x~4) (<= ULTIMATE.start_main_~x~4 34)), 9267#(and (<= ULTIMATE.start_main_~x~4 35) (<= 35 ULTIMATE.start_main_~x~4)), 9268#(and (<= 36 ULTIMATE.start_main_~x~4) (<= ULTIMATE.start_main_~x~4 36)), 9269#(and (<= ULTIMATE.start_main_~x~4 37) (<= 37 ULTIMATE.start_main_~x~4)), 9270#(and (<= 38 ULTIMATE.start_main_~x~4) (<= ULTIMATE.start_main_~x~4 38)), 9271#(and (<= ULTIMATE.start_main_~x~4 39) (<= 39 ULTIMATE.start_main_~x~4)), 9272#(and (<= ULTIMATE.start_main_~x~4 40) (<= 40 ULTIMATE.start_main_~x~4)), 9273#(and (<= ULTIMATE.start_main_~x~4 41) (<= 41 ULTIMATE.start_main_~x~4)), 9274#(and (<= ULTIMATE.start_main_~x~4 42) (<= 42 ULTIMATE.start_main_~x~4))] [2018-07-23 13:49:56,075 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 13:49:56,075 INFO L450 AbstractCegarLoop]: Interpolant automaton has 45 states [2018-07-23 13:49:56,077 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 45 interpolants. [2018-07-23 13:49:56,078 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=87, Invalid=1893, Unknown=0, NotChecked=0, Total=1980 [2018-07-23 13:49:56,078 INFO L87 Difference]: Start difference. First operand 89 states and 89 transitions. Second operand 45 states. [2018-07-23 13:49:56,392 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-07-23 13:49:56,392 INFO L93 Difference]: Finished difference Result 93 states and 93 transitions. [2018-07-23 13:49:56,392 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 45 states. [2018-07-23 13:49:56,392 INFO L78 Accepts]: Start accepts. Automaton has 45 states. Word has length 88 [2018-07-23 13:49:56,393 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-07-23 13:49:56,393 INFO L225 Difference]: With dead ends: 93 [2018-07-23 13:49:56,393 INFO L226 Difference]: Without dead ends: 91 [2018-07-23 13:49:56,395 INFO L575 BasicCegarLoop]: 0 DeclaredPredicates, 44 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 43 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=87, Invalid=1893, Unknown=0, NotChecked=0, Total=1980 [2018-07-23 13:49:56,396 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 91 states. [2018-07-23 13:49:56,403 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 91 to 91. [2018-07-23 13:49:56,403 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 91 states. [2018-07-23 13:49:56,404 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 91 states to 91 states and 91 transitions. [2018-07-23 13:49:56,404 INFO L78 Accepts]: Start accepts. Automaton has 91 states and 91 transitions. Word has length 88 [2018-07-23 13:49:56,404 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-07-23 13:49:56,404 INFO L471 AbstractCegarLoop]: Abstraction has 91 states and 91 transitions. [2018-07-23 13:49:56,404 INFO L472 AbstractCegarLoop]: Interpolant automaton has 45 states. [2018-07-23 13:49:56,405 INFO L276 IsEmpty]: Start isEmpty. Operand 91 states and 91 transitions. [2018-07-23 13:49:56,405 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 91 [2018-07-23 13:49:56,406 INFO L349 BasicCegarLoop]: Found error trace [2018-07-23 13:49:56,406 INFO L357 BasicCegarLoop]: trace histogram [44, 43, 1, 1, 1] [2018-07-23 13:49:56,406 INFO L414 AbstractCegarLoop]: === Iteration 44 === [ULTIMATE.startErr0AssertViolationASSERT]=== [2018-07-23 13:49:56,406 INFO L82 PathProgramCache]: Analyzing trace with hash -543942523, now seen corresponding path program 43 times [2018-07-23 13:49:56,406 INFO L69 tionRefinementEngine]: Using refinement strategy FixedRefinementStrategy [2018-07-23 13:49:56,430 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-07-23 13:49:56,676 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 13:49:56,676 INFO L309 seRefinementStrategy]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2018-07-23 13:49:56,677 INFO L324 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [45] total 45 [2018-07-23 13:49:56,677 INFO L142 lantAutomatonBuilder]: Constructing canonical interpolant automaton, with selfloop in false state [2018-07-23 13:49:56,677 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-07-23 13:49:56,677 INFO L185 omatonBuilderFactory]: Interpolants [9664#(and (<= 19 ULTIMATE.start_main_~x~4) (<= ULTIMATE.start_main_~x~4 19)), 9665#(and (<= 20 ULTIMATE.start_main_~x~4) (<= ULTIMATE.start_main_~x~4 20)), 9666#(and (<= ULTIMATE.start_main_~x~4 21) (<= 21 ULTIMATE.start_main_~x~4)), 9667#(and (<= ULTIMATE.start_main_~x~4 22) (<= 22 ULTIMATE.start_main_~x~4)), 9668#(and (<= ULTIMATE.start_main_~x~4 23) (<= 23 ULTIMATE.start_main_~x~4)), 9669#(and (<= ULTIMATE.start_main_~x~4 24) (<= 24 ULTIMATE.start_main_~x~4)), 9670#(and (<= ULTIMATE.start_main_~x~4 25) (<= 25 ULTIMATE.start_main_~x~4)), 9671#(and (<= ULTIMATE.start_main_~x~4 26) (<= 26 ULTIMATE.start_main_~x~4)), 9672#(and (<= ULTIMATE.start_main_~x~4 27) (<= 27 ULTIMATE.start_main_~x~4)), 9673#(and (<= ULTIMATE.start_main_~x~4 28) (<= 28 ULTIMATE.start_main_~x~4)), 9674#(and (<= 29 ULTIMATE.start_main_~x~4) (<= ULTIMATE.start_main_~x~4 29)), 9675#(and (<= ULTIMATE.start_main_~x~4 30) (<= 30 ULTIMATE.start_main_~x~4)), 9676#(and (<= ULTIMATE.start_main_~x~4 31) (<= 31 ULTIMATE.start_main_~x~4)), 9677#(and (<= ULTIMATE.start_main_~x~4 32) (<= 32 ULTIMATE.start_main_~x~4)), 9678#(and (<= ULTIMATE.start_main_~x~4 33) (<= 33 ULTIMATE.start_main_~x~4)), 9679#(and (<= 34 ULTIMATE.start_main_~x~4) (<= ULTIMATE.start_main_~x~4 34)), 9680#(and (<= ULTIMATE.start_main_~x~4 35) (<= 35 ULTIMATE.start_main_~x~4)), 9681#(and (<= 36 ULTIMATE.start_main_~x~4) (<= ULTIMATE.start_main_~x~4 36)), 9682#(and (<= ULTIMATE.start_main_~x~4 37) (<= 37 ULTIMATE.start_main_~x~4)), 9683#(and (<= 38 ULTIMATE.start_main_~x~4) (<= ULTIMATE.start_main_~x~4 38)), 9684#(and (<= ULTIMATE.start_main_~x~4 39) (<= 39 ULTIMATE.start_main_~x~4)), 9685#(and (<= ULTIMATE.start_main_~x~4 40) (<= 40 ULTIMATE.start_main_~x~4)), 9686#(and (<= ULTIMATE.start_main_~x~4 41) (<= 41 ULTIMATE.start_main_~x~4)), 9687#(and (<= ULTIMATE.start_main_~x~4 42) (<= 42 ULTIMATE.start_main_~x~4)), 9688#(and (<= ULTIMATE.start_main_~x~4 43) (<= 43 ULTIMATE.start_main_~x~4)), 9643#true, 9644#false, 9645#(and (<= ULTIMATE.start_main_~x~4 0) (<= 0 ULTIMATE.start_main_~x~4)), 9646#(and (<= ULTIMATE.start_main_~x~4 1) (<= 1 ULTIMATE.start_main_~x~4)), 9647#(and (<= 2 ULTIMATE.start_main_~x~4) (<= ULTIMATE.start_main_~x~4 2)), 9648#(and (<= 3 ULTIMATE.start_main_~x~4) (<= ULTIMATE.start_main_~x~4 3)), 9649#(and (<= ULTIMATE.start_main_~x~4 4) (<= 4 ULTIMATE.start_main_~x~4)), 9650#(and (<= ULTIMATE.start_main_~x~4 5) (<= 5 ULTIMATE.start_main_~x~4)), 9651#(and (<= 6 ULTIMATE.start_main_~x~4) (<= ULTIMATE.start_main_~x~4 6)), 9652#(and (<= ULTIMATE.start_main_~x~4 7) (<= 7 ULTIMATE.start_main_~x~4)), 9653#(and (<= ULTIMATE.start_main_~x~4 8) (<= 8 ULTIMATE.start_main_~x~4)), 9654#(and (<= 9 ULTIMATE.start_main_~x~4) (<= ULTIMATE.start_main_~x~4 9)), 9655#(and (<= ULTIMATE.start_main_~x~4 10) (<= 10 ULTIMATE.start_main_~x~4)), 9656#(and (<= ULTIMATE.start_main_~x~4 11) (<= 11 ULTIMATE.start_main_~x~4)), 9657#(and (<= 12 ULTIMATE.start_main_~x~4) (<= ULTIMATE.start_main_~x~4 12)), 9658#(and (<= ULTIMATE.start_main_~x~4 13) (<= 13 ULTIMATE.start_main_~x~4)), 9659#(and (<= 14 ULTIMATE.start_main_~x~4) (<= ULTIMATE.start_main_~x~4 14)), 9660#(and (<= 15 ULTIMATE.start_main_~x~4) (<= ULTIMATE.start_main_~x~4 15)), 9661#(and (<= ULTIMATE.start_main_~x~4 16) (<= 16 ULTIMATE.start_main_~x~4)), 9662#(and (<= ULTIMATE.start_main_~x~4 17) (<= 17 ULTIMATE.start_main_~x~4)), 9663#(and (<= 18 ULTIMATE.start_main_~x~4) (<= ULTIMATE.start_main_~x~4 18))] [2018-07-23 13:49:56,678 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 13:49:56,678 INFO L450 AbstractCegarLoop]: Interpolant automaton has 46 states [2018-07-23 13:49:56,678 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 46 interpolants. [2018-07-23 13:49:56,680 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=89, Invalid=1981, Unknown=0, NotChecked=0, Total=2070 [2018-07-23 13:49:56,680 INFO L87 Difference]: Start difference. First operand 91 states and 91 transitions. Second operand 46 states. [2018-07-23 13:49:56,998 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-07-23 13:49:56,999 INFO L93 Difference]: Finished difference Result 95 states and 95 transitions. [2018-07-23 13:49:56,999 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 46 states. [2018-07-23 13:49:56,999 INFO L78 Accepts]: Start accepts. Automaton has 46 states. Word has length 90 [2018-07-23 13:49:56,999 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-07-23 13:49:57,000 INFO L225 Difference]: With dead ends: 95 [2018-07-23 13:49:57,000 INFO L226 Difference]: Without dead ends: 93 [2018-07-23 13:49:57,001 INFO L575 BasicCegarLoop]: 0 DeclaredPredicates, 45 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 44 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=89, Invalid=1981, Unknown=0, NotChecked=0, Total=2070 [2018-07-23 13:49:57,002 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 93 states. [2018-07-23 13:49:57,008 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 93 to 93. [2018-07-23 13:49:57,008 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 93 states. [2018-07-23 13:49:57,009 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 93 states to 93 states and 93 transitions. [2018-07-23 13:49:57,009 INFO L78 Accepts]: Start accepts. Automaton has 93 states and 93 transitions. Word has length 90 [2018-07-23 13:49:57,009 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-07-23 13:49:57,009 INFO L471 AbstractCegarLoop]: Abstraction has 93 states and 93 transitions. [2018-07-23 13:49:57,009 INFO L472 AbstractCegarLoop]: Interpolant automaton has 46 states. [2018-07-23 13:49:57,009 INFO L276 IsEmpty]: Start isEmpty. Operand 93 states and 93 transitions. [2018-07-23 13:49:57,010 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 93 [2018-07-23 13:49:57,010 INFO L349 BasicCegarLoop]: Found error trace [2018-07-23 13:49:57,010 INFO L357 BasicCegarLoop]: trace histogram [45, 44, 1, 1, 1] [2018-07-23 13:49:57,011 INFO L414 AbstractCegarLoop]: === Iteration 45 === [ULTIMATE.startErr0AssertViolationASSERT]=== [2018-07-23 13:49:57,011 INFO L82 PathProgramCache]: Analyzing trace with hash 1257297599, now seen corresponding path program 44 times [2018-07-23 13:49:57,011 INFO L69 tionRefinementEngine]: Using refinement strategy FixedRefinementStrategy [2018-07-23 13:49:57,036 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-07-23 13:49:57,301 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 13:49:57,301 INFO L309 seRefinementStrategy]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2018-07-23 13:49:57,301 INFO L324 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [46] total 46 [2018-07-23 13:49:57,301 INFO L142 lantAutomatonBuilder]: Constructing canonical interpolant automaton, with selfloop in false state [2018-07-23 13:49:57,302 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-07-23 13:49:57,302 INFO L185 omatonBuilderFactory]: Interpolants [10065#true, 10066#false, 10067#(and (<= ULTIMATE.start_main_~x~4 0) (<= 0 ULTIMATE.start_main_~x~4)), 10068#(and (<= ULTIMATE.start_main_~x~4 1) (<= 1 ULTIMATE.start_main_~x~4)), 10069#(and (<= 2 ULTIMATE.start_main_~x~4) (<= ULTIMATE.start_main_~x~4 2)), 10070#(and (<= 3 ULTIMATE.start_main_~x~4) (<= ULTIMATE.start_main_~x~4 3)), 10071#(and (<= ULTIMATE.start_main_~x~4 4) (<= 4 ULTIMATE.start_main_~x~4)), 10072#(and (<= ULTIMATE.start_main_~x~4 5) (<= 5 ULTIMATE.start_main_~x~4)), 10073#(and (<= 6 ULTIMATE.start_main_~x~4) (<= ULTIMATE.start_main_~x~4 6)), 10074#(and (<= ULTIMATE.start_main_~x~4 7) (<= 7 ULTIMATE.start_main_~x~4)), 10075#(and (<= ULTIMATE.start_main_~x~4 8) (<= 8 ULTIMATE.start_main_~x~4)), 10076#(and (<= 9 ULTIMATE.start_main_~x~4) (<= ULTIMATE.start_main_~x~4 9)), 10077#(and (<= ULTIMATE.start_main_~x~4 10) (<= 10 ULTIMATE.start_main_~x~4)), 10078#(and (<= ULTIMATE.start_main_~x~4 11) (<= 11 ULTIMATE.start_main_~x~4)), 10079#(and (<= 12 ULTIMATE.start_main_~x~4) (<= ULTIMATE.start_main_~x~4 12)), 10080#(and (<= ULTIMATE.start_main_~x~4 13) (<= 13 ULTIMATE.start_main_~x~4)), 10081#(and (<= 14 ULTIMATE.start_main_~x~4) (<= ULTIMATE.start_main_~x~4 14)), 10082#(and (<= 15 ULTIMATE.start_main_~x~4) (<= ULTIMATE.start_main_~x~4 15)), 10083#(and (<= ULTIMATE.start_main_~x~4 16) (<= 16 ULTIMATE.start_main_~x~4)), 10084#(and (<= ULTIMATE.start_main_~x~4 17) (<= 17 ULTIMATE.start_main_~x~4)), 10085#(and (<= 18 ULTIMATE.start_main_~x~4) (<= ULTIMATE.start_main_~x~4 18)), 10086#(and (<= 19 ULTIMATE.start_main_~x~4) (<= ULTIMATE.start_main_~x~4 19)), 10087#(and (<= 20 ULTIMATE.start_main_~x~4) (<= ULTIMATE.start_main_~x~4 20)), 10088#(and (<= ULTIMATE.start_main_~x~4 21) (<= 21 ULTIMATE.start_main_~x~4)), 10089#(and (<= ULTIMATE.start_main_~x~4 22) (<= 22 ULTIMATE.start_main_~x~4)), 10090#(and (<= ULTIMATE.start_main_~x~4 23) (<= 23 ULTIMATE.start_main_~x~4)), 10091#(and (<= ULTIMATE.start_main_~x~4 24) (<= 24 ULTIMATE.start_main_~x~4)), 10092#(and (<= ULTIMATE.start_main_~x~4 25) (<= 25 ULTIMATE.start_main_~x~4)), 10093#(and (<= ULTIMATE.start_main_~x~4 26) (<= 26 ULTIMATE.start_main_~x~4)), 10094#(and (<= ULTIMATE.start_main_~x~4 27) (<= 27 ULTIMATE.start_main_~x~4)), 10095#(and (<= ULTIMATE.start_main_~x~4 28) (<= 28 ULTIMATE.start_main_~x~4)), 10096#(and (<= 29 ULTIMATE.start_main_~x~4) (<= ULTIMATE.start_main_~x~4 29)), 10097#(and (<= ULTIMATE.start_main_~x~4 30) (<= 30 ULTIMATE.start_main_~x~4)), 10098#(and (<= ULTIMATE.start_main_~x~4 31) (<= 31 ULTIMATE.start_main_~x~4)), 10099#(and (<= ULTIMATE.start_main_~x~4 32) (<= 32 ULTIMATE.start_main_~x~4)), 10100#(and (<= ULTIMATE.start_main_~x~4 33) (<= 33 ULTIMATE.start_main_~x~4)), 10101#(and (<= 34 ULTIMATE.start_main_~x~4) (<= ULTIMATE.start_main_~x~4 34)), 10102#(and (<= ULTIMATE.start_main_~x~4 35) (<= 35 ULTIMATE.start_main_~x~4)), 10103#(and (<= 36 ULTIMATE.start_main_~x~4) (<= ULTIMATE.start_main_~x~4 36)), 10104#(and (<= ULTIMATE.start_main_~x~4 37) (<= 37 ULTIMATE.start_main_~x~4)), 10105#(and (<= 38 ULTIMATE.start_main_~x~4) (<= ULTIMATE.start_main_~x~4 38)), 10106#(and (<= ULTIMATE.start_main_~x~4 39) (<= 39 ULTIMATE.start_main_~x~4)), 10107#(and (<= ULTIMATE.start_main_~x~4 40) (<= 40 ULTIMATE.start_main_~x~4)), 10108#(and (<= ULTIMATE.start_main_~x~4 41) (<= 41 ULTIMATE.start_main_~x~4)), 10109#(and (<= ULTIMATE.start_main_~x~4 42) (<= 42 ULTIMATE.start_main_~x~4)), 10110#(and (<= ULTIMATE.start_main_~x~4 43) (<= 43 ULTIMATE.start_main_~x~4)), 10111#(and (<= 44 ULTIMATE.start_main_~x~4) (<= ULTIMATE.start_main_~x~4 44))] [2018-07-23 13:49:57,302 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 13:49:57,303 INFO L450 AbstractCegarLoop]: Interpolant automaton has 47 states [2018-07-23 13:49:57,303 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 47 interpolants. [2018-07-23 13:49:57,303 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=91, Invalid=2071, Unknown=0, NotChecked=0, Total=2162 [2018-07-23 13:49:57,304 INFO L87 Difference]: Start difference. First operand 93 states and 93 transitions. Second operand 47 states. [2018-07-23 13:49:57,632 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-07-23 13:49:57,633 INFO L93 Difference]: Finished difference Result 97 states and 97 transitions. [2018-07-23 13:49:57,633 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 47 states. [2018-07-23 13:49:57,633 INFO L78 Accepts]: Start accepts. Automaton has 47 states. Word has length 92 [2018-07-23 13:49:57,633 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-07-23 13:49:57,634 INFO L225 Difference]: With dead ends: 97 [2018-07-23 13:49:57,634 INFO L226 Difference]: Without dead ends: 95 [2018-07-23 13:49:57,635 INFO L575 BasicCegarLoop]: 0 DeclaredPredicates, 46 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 45 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=91, Invalid=2071, Unknown=0, NotChecked=0, Total=2162 [2018-07-23 13:49:57,635 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 95 states. [2018-07-23 13:49:57,640 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 95 to 95. [2018-07-23 13:49:57,641 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 95 states. [2018-07-23 13:49:57,641 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 95 states to 95 states and 95 transitions. [2018-07-23 13:49:57,641 INFO L78 Accepts]: Start accepts. Automaton has 95 states and 95 transitions. Word has length 92 [2018-07-23 13:49:57,641 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-07-23 13:49:57,642 INFO L471 AbstractCegarLoop]: Abstraction has 95 states and 95 transitions. [2018-07-23 13:49:57,642 INFO L472 AbstractCegarLoop]: Interpolant automaton has 47 states. [2018-07-23 13:49:57,642 INFO L276 IsEmpty]: Start isEmpty. Operand 95 states and 95 transitions. [2018-07-23 13:49:57,643 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 95 [2018-07-23 13:49:57,643 INFO L349 BasicCegarLoop]: Found error trace [2018-07-23 13:49:57,643 INFO L357 BasicCegarLoop]: trace histogram [46, 45, 1, 1, 1] [2018-07-23 13:49:57,643 INFO L414 AbstractCegarLoop]: === Iteration 46 === [ULTIMATE.startErr0AssertViolationASSERT]=== [2018-07-23 13:49:57,643 INFO L82 PathProgramCache]: Analyzing trace with hash 1377234553, now seen corresponding path program 45 times [2018-07-23 13:49:57,644 INFO L69 tionRefinementEngine]: Using refinement strategy FixedRefinementStrategy [2018-07-23 13:49:57,668 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-07-23 13:49:57,916 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 13:49:57,916 INFO L309 seRefinementStrategy]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2018-07-23 13:49:57,917 INFO L324 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [47] total 47 [2018-07-23 13:49:57,917 INFO L142 lantAutomatonBuilder]: Constructing canonical interpolant automaton, with selfloop in false state [2018-07-23 13:49:57,917 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-07-23 13:49:57,918 INFO L185 omatonBuilderFactory]: Interpolants [10496#true, 10497#false, 10498#(and (<= ULTIMATE.start_main_~x~4 0) (<= 0 ULTIMATE.start_main_~x~4)), 10499#(and (<= ULTIMATE.start_main_~x~4 1) (<= 1 ULTIMATE.start_main_~x~4)), 10500#(and (<= 2 ULTIMATE.start_main_~x~4) (<= ULTIMATE.start_main_~x~4 2)), 10501#(and (<= 3 ULTIMATE.start_main_~x~4) (<= ULTIMATE.start_main_~x~4 3)), 10502#(and (<= ULTIMATE.start_main_~x~4 4) (<= 4 ULTIMATE.start_main_~x~4)), 10503#(and (<= ULTIMATE.start_main_~x~4 5) (<= 5 ULTIMATE.start_main_~x~4)), 10504#(and (<= 6 ULTIMATE.start_main_~x~4) (<= ULTIMATE.start_main_~x~4 6)), 10505#(and (<= ULTIMATE.start_main_~x~4 7) (<= 7 ULTIMATE.start_main_~x~4)), 10506#(and (<= ULTIMATE.start_main_~x~4 8) (<= 8 ULTIMATE.start_main_~x~4)), 10507#(and (<= 9 ULTIMATE.start_main_~x~4) (<= ULTIMATE.start_main_~x~4 9)), 10508#(and (<= ULTIMATE.start_main_~x~4 10) (<= 10 ULTIMATE.start_main_~x~4)), 10509#(and (<= ULTIMATE.start_main_~x~4 11) (<= 11 ULTIMATE.start_main_~x~4)), 10510#(and (<= 12 ULTIMATE.start_main_~x~4) (<= ULTIMATE.start_main_~x~4 12)), 10511#(and (<= ULTIMATE.start_main_~x~4 13) (<= 13 ULTIMATE.start_main_~x~4)), 10512#(and (<= 14 ULTIMATE.start_main_~x~4) (<= ULTIMATE.start_main_~x~4 14)), 10513#(and (<= 15 ULTIMATE.start_main_~x~4) (<= ULTIMATE.start_main_~x~4 15)), 10514#(and (<= ULTIMATE.start_main_~x~4 16) (<= 16 ULTIMATE.start_main_~x~4)), 10515#(and (<= ULTIMATE.start_main_~x~4 17) (<= 17 ULTIMATE.start_main_~x~4)), 10516#(and (<= 18 ULTIMATE.start_main_~x~4) (<= ULTIMATE.start_main_~x~4 18)), 10517#(and (<= 19 ULTIMATE.start_main_~x~4) (<= ULTIMATE.start_main_~x~4 19)), 10518#(and (<= 20 ULTIMATE.start_main_~x~4) (<= ULTIMATE.start_main_~x~4 20)), 10519#(and (<= ULTIMATE.start_main_~x~4 21) (<= 21 ULTIMATE.start_main_~x~4)), 10520#(and (<= ULTIMATE.start_main_~x~4 22) (<= 22 ULTIMATE.start_main_~x~4)), 10521#(and (<= ULTIMATE.start_main_~x~4 23) (<= 23 ULTIMATE.start_main_~x~4)), 10522#(and (<= ULTIMATE.start_main_~x~4 24) (<= 24 ULTIMATE.start_main_~x~4)), 10523#(and (<= ULTIMATE.start_main_~x~4 25) (<= 25 ULTIMATE.start_main_~x~4)), 10524#(and (<= ULTIMATE.start_main_~x~4 26) (<= 26 ULTIMATE.start_main_~x~4)), 10525#(and (<= ULTIMATE.start_main_~x~4 27) (<= 27 ULTIMATE.start_main_~x~4)), 10526#(and (<= ULTIMATE.start_main_~x~4 28) (<= 28 ULTIMATE.start_main_~x~4)), 10527#(and (<= 29 ULTIMATE.start_main_~x~4) (<= ULTIMATE.start_main_~x~4 29)), 10528#(and (<= ULTIMATE.start_main_~x~4 30) (<= 30 ULTIMATE.start_main_~x~4)), 10529#(and (<= ULTIMATE.start_main_~x~4 31) (<= 31 ULTIMATE.start_main_~x~4)), 10530#(and (<= ULTIMATE.start_main_~x~4 32) (<= 32 ULTIMATE.start_main_~x~4)), 10531#(and (<= ULTIMATE.start_main_~x~4 33) (<= 33 ULTIMATE.start_main_~x~4)), 10532#(and (<= 34 ULTIMATE.start_main_~x~4) (<= ULTIMATE.start_main_~x~4 34)), 10533#(and (<= ULTIMATE.start_main_~x~4 35) (<= 35 ULTIMATE.start_main_~x~4)), 10534#(and (<= 36 ULTIMATE.start_main_~x~4) (<= ULTIMATE.start_main_~x~4 36)), 10535#(and (<= ULTIMATE.start_main_~x~4 37) (<= 37 ULTIMATE.start_main_~x~4)), 10536#(and (<= 38 ULTIMATE.start_main_~x~4) (<= ULTIMATE.start_main_~x~4 38)), 10537#(and (<= ULTIMATE.start_main_~x~4 39) (<= 39 ULTIMATE.start_main_~x~4)), 10538#(and (<= ULTIMATE.start_main_~x~4 40) (<= 40 ULTIMATE.start_main_~x~4)), 10539#(and (<= ULTIMATE.start_main_~x~4 41) (<= 41 ULTIMATE.start_main_~x~4)), 10540#(and (<= ULTIMATE.start_main_~x~4 42) (<= 42 ULTIMATE.start_main_~x~4)), 10541#(and (<= ULTIMATE.start_main_~x~4 43) (<= 43 ULTIMATE.start_main_~x~4)), 10542#(and (<= 44 ULTIMATE.start_main_~x~4) (<= ULTIMATE.start_main_~x~4 44)), 10543#(and (<= 45 ULTIMATE.start_main_~x~4) (<= ULTIMATE.start_main_~x~4 45))] [2018-07-23 13:49:57,918 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 13:49:57,919 INFO L450 AbstractCegarLoop]: Interpolant automaton has 48 states [2018-07-23 13:49:57,919 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 48 interpolants. [2018-07-23 13:49:57,919 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=93, Invalid=2163, Unknown=0, NotChecked=0, Total=2256 [2018-07-23 13:49:57,920 INFO L87 Difference]: Start difference. First operand 95 states and 95 transitions. Second operand 48 states. [2018-07-23 13:49:58,256 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-07-23 13:49:58,257 INFO L93 Difference]: Finished difference Result 99 states and 99 transitions. [2018-07-23 13:49:58,257 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 48 states. [2018-07-23 13:49:58,257 INFO L78 Accepts]: Start accepts. Automaton has 48 states. Word has length 94 [2018-07-23 13:49:58,257 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-07-23 13:49:58,258 INFO L225 Difference]: With dead ends: 99 [2018-07-23 13:49:58,258 INFO L226 Difference]: Without dead ends: 97 [2018-07-23 13:49:58,259 INFO L575 BasicCegarLoop]: 0 DeclaredPredicates, 47 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 46 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=93, Invalid=2163, Unknown=0, NotChecked=0, Total=2256 [2018-07-23 13:49:58,259 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 97 states. [2018-07-23 13:49:58,265 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 97 to 97. [2018-07-23 13:49:58,266 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 97 states. [2018-07-23 13:49:58,266 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 97 states to 97 states and 97 transitions. [2018-07-23 13:49:58,266 INFO L78 Accepts]: Start accepts. Automaton has 97 states and 97 transitions. Word has length 94 [2018-07-23 13:49:58,267 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-07-23 13:49:58,267 INFO L471 AbstractCegarLoop]: Abstraction has 97 states and 97 transitions. [2018-07-23 13:49:58,267 INFO L472 AbstractCegarLoop]: Interpolant automaton has 48 states. [2018-07-23 13:49:58,267 INFO L276 IsEmpty]: Start isEmpty. Operand 97 states and 97 transitions. [2018-07-23 13:49:58,268 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 97 [2018-07-23 13:49:58,268 INFO L349 BasicCegarLoop]: Found error trace [2018-07-23 13:49:58,268 INFO L357 BasicCegarLoop]: trace histogram [47, 46, 1, 1, 1] [2018-07-23 13:49:58,268 INFO L414 AbstractCegarLoop]: === Iteration 47 === [ULTIMATE.startErr0AssertViolationASSERT]=== [2018-07-23 13:49:58,269 INFO L82 PathProgramCache]: Analyzing trace with hash 672530355, now seen corresponding path program 46 times [2018-07-23 13:49:58,269 INFO L69 tionRefinementEngine]: Using refinement strategy FixedRefinementStrategy [2018-07-23 13:49:58,299 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-07-23 13:49:58,582 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 13:49:58,583 INFO L309 seRefinementStrategy]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2018-07-23 13:49:58,583 INFO L324 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [48] total 48 [2018-07-23 13:49:58,583 INFO L142 lantAutomatonBuilder]: Constructing canonical interpolant automaton, with selfloop in false state [2018-07-23 13:49:58,584 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-07-23 13:49:58,584 INFO L185 omatonBuilderFactory]: Interpolants [10936#true, 10937#false, 10938#(and (<= ULTIMATE.start_main_~x~4 0) (<= 0 ULTIMATE.start_main_~x~4)), 10939#(and (<= ULTIMATE.start_main_~x~4 1) (<= 1 ULTIMATE.start_main_~x~4)), 10940#(and (<= 2 ULTIMATE.start_main_~x~4) (<= ULTIMATE.start_main_~x~4 2)), 10941#(and (<= 3 ULTIMATE.start_main_~x~4) (<= ULTIMATE.start_main_~x~4 3)), 10942#(and (<= ULTIMATE.start_main_~x~4 4) (<= 4 ULTIMATE.start_main_~x~4)), 10943#(and (<= ULTIMATE.start_main_~x~4 5) (<= 5 ULTIMATE.start_main_~x~4)), 10944#(and (<= 6 ULTIMATE.start_main_~x~4) (<= ULTIMATE.start_main_~x~4 6)), 10945#(and (<= ULTIMATE.start_main_~x~4 7) (<= 7 ULTIMATE.start_main_~x~4)), 10946#(and (<= ULTIMATE.start_main_~x~4 8) (<= 8 ULTIMATE.start_main_~x~4)), 10947#(and (<= 9 ULTIMATE.start_main_~x~4) (<= ULTIMATE.start_main_~x~4 9)), 10948#(and (<= ULTIMATE.start_main_~x~4 10) (<= 10 ULTIMATE.start_main_~x~4)), 10949#(and (<= ULTIMATE.start_main_~x~4 11) (<= 11 ULTIMATE.start_main_~x~4)), 10950#(and (<= 12 ULTIMATE.start_main_~x~4) (<= ULTIMATE.start_main_~x~4 12)), 10951#(and (<= ULTIMATE.start_main_~x~4 13) (<= 13 ULTIMATE.start_main_~x~4)), 10952#(and (<= 14 ULTIMATE.start_main_~x~4) (<= ULTIMATE.start_main_~x~4 14)), 10953#(and (<= 15 ULTIMATE.start_main_~x~4) (<= ULTIMATE.start_main_~x~4 15)), 10954#(and (<= ULTIMATE.start_main_~x~4 16) (<= 16 ULTIMATE.start_main_~x~4)), 10955#(and (<= ULTIMATE.start_main_~x~4 17) (<= 17 ULTIMATE.start_main_~x~4)), 10956#(and (<= 18 ULTIMATE.start_main_~x~4) (<= ULTIMATE.start_main_~x~4 18)), 10957#(and (<= 19 ULTIMATE.start_main_~x~4) (<= ULTIMATE.start_main_~x~4 19)), 10958#(and (<= 20 ULTIMATE.start_main_~x~4) (<= ULTIMATE.start_main_~x~4 20)), 10959#(and (<= ULTIMATE.start_main_~x~4 21) (<= 21 ULTIMATE.start_main_~x~4)), 10960#(and (<= ULTIMATE.start_main_~x~4 22) (<= 22 ULTIMATE.start_main_~x~4)), 10961#(and (<= ULTIMATE.start_main_~x~4 23) (<= 23 ULTIMATE.start_main_~x~4)), 10962#(and (<= ULTIMATE.start_main_~x~4 24) (<= 24 ULTIMATE.start_main_~x~4)), 10963#(and (<= ULTIMATE.start_main_~x~4 25) (<= 25 ULTIMATE.start_main_~x~4)), 10964#(and (<= ULTIMATE.start_main_~x~4 26) (<= 26 ULTIMATE.start_main_~x~4)), 10965#(and (<= ULTIMATE.start_main_~x~4 27) (<= 27 ULTIMATE.start_main_~x~4)), 10966#(and (<= ULTIMATE.start_main_~x~4 28) (<= 28 ULTIMATE.start_main_~x~4)), 10967#(and (<= 29 ULTIMATE.start_main_~x~4) (<= ULTIMATE.start_main_~x~4 29)), 10968#(and (<= ULTIMATE.start_main_~x~4 30) (<= 30 ULTIMATE.start_main_~x~4)), 10969#(and (<= ULTIMATE.start_main_~x~4 31) (<= 31 ULTIMATE.start_main_~x~4)), 10970#(and (<= ULTIMATE.start_main_~x~4 32) (<= 32 ULTIMATE.start_main_~x~4)), 10971#(and (<= ULTIMATE.start_main_~x~4 33) (<= 33 ULTIMATE.start_main_~x~4)), 10972#(and (<= 34 ULTIMATE.start_main_~x~4) (<= ULTIMATE.start_main_~x~4 34)), 10973#(and (<= ULTIMATE.start_main_~x~4 35) (<= 35 ULTIMATE.start_main_~x~4)), 10974#(and (<= 36 ULTIMATE.start_main_~x~4) (<= ULTIMATE.start_main_~x~4 36)), 10975#(and (<= ULTIMATE.start_main_~x~4 37) (<= 37 ULTIMATE.start_main_~x~4)), 10976#(and (<= 38 ULTIMATE.start_main_~x~4) (<= ULTIMATE.start_main_~x~4 38)), 10977#(and (<= ULTIMATE.start_main_~x~4 39) (<= 39 ULTIMATE.start_main_~x~4)), 10978#(and (<= ULTIMATE.start_main_~x~4 40) (<= 40 ULTIMATE.start_main_~x~4)), 10979#(and (<= ULTIMATE.start_main_~x~4 41) (<= 41 ULTIMATE.start_main_~x~4)), 10980#(and (<= ULTIMATE.start_main_~x~4 42) (<= 42 ULTIMATE.start_main_~x~4)), 10981#(and (<= ULTIMATE.start_main_~x~4 43) (<= 43 ULTIMATE.start_main_~x~4)), 10982#(and (<= 44 ULTIMATE.start_main_~x~4) (<= ULTIMATE.start_main_~x~4 44)), 10983#(and (<= 45 ULTIMATE.start_main_~x~4) (<= ULTIMATE.start_main_~x~4 45)), 10984#(and (<= ULTIMATE.start_main_~x~4 46) (<= 46 ULTIMATE.start_main_~x~4))] [2018-07-23 13:49:58,585 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 13:49:58,585 INFO L450 AbstractCegarLoop]: Interpolant automaton has 49 states [2018-07-23 13:49:58,585 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 49 interpolants. [2018-07-23 13:49:58,586 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=95, Invalid=2257, Unknown=0, NotChecked=0, Total=2352 [2018-07-23 13:49:58,586 INFO L87 Difference]: Start difference. First operand 97 states and 97 transitions. Second operand 49 states. [2018-07-23 13:49:58,918 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-07-23 13:49:58,919 INFO L93 Difference]: Finished difference Result 101 states and 101 transitions. [2018-07-23 13:49:58,919 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 49 states. [2018-07-23 13:49:58,919 INFO L78 Accepts]: Start accepts. Automaton has 49 states. Word has length 96 [2018-07-23 13:49:58,919 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-07-23 13:49:58,920 INFO L225 Difference]: With dead ends: 101 [2018-07-23 13:49:58,920 INFO L226 Difference]: Without dead ends: 99 [2018-07-23 13:49:58,921 INFO L575 BasicCegarLoop]: 0 DeclaredPredicates, 48 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 47 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=95, Invalid=2257, Unknown=0, NotChecked=0, Total=2352 [2018-07-23 13:49:58,921 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 99 states. [2018-07-23 13:49:58,927 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 99 to 99. [2018-07-23 13:49:58,927 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 99 states. [2018-07-23 13:49:58,928 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 99 states to 99 states and 99 transitions. [2018-07-23 13:49:58,928 INFO L78 Accepts]: Start accepts. Automaton has 99 states and 99 transitions. Word has length 96 [2018-07-23 13:49:58,928 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-07-23 13:49:58,928 INFO L471 AbstractCegarLoop]: Abstraction has 99 states and 99 transitions. [2018-07-23 13:49:58,928 INFO L472 AbstractCegarLoop]: Interpolant automaton has 49 states. [2018-07-23 13:49:58,929 INFO L276 IsEmpty]: Start isEmpty. Operand 99 states and 99 transitions. [2018-07-23 13:49:58,929 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 99 [2018-07-23 13:49:58,929 INFO L349 BasicCegarLoop]: Found error trace [2018-07-23 13:49:58,930 INFO L357 BasicCegarLoop]: trace histogram [48, 47, 1, 1, 1] [2018-07-23 13:49:58,930 INFO L414 AbstractCegarLoop]: === Iteration 48 === [ULTIMATE.startErr0AssertViolationASSERT]=== [2018-07-23 13:49:58,930 INFO L82 PathProgramCache]: Analyzing trace with hash 2056628845, now seen corresponding path program 47 times [2018-07-23 13:49:58,930 INFO L69 tionRefinementEngine]: Using refinement strategy FixedRefinementStrategy [2018-07-23 13:49:58,959 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-07-23 13:49:59,268 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 13:49:59,269 INFO L309 seRefinementStrategy]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2018-07-23 13:49:59,269 INFO L324 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [49] total 49 [2018-07-23 13:49:59,269 INFO L142 lantAutomatonBuilder]: Constructing canonical interpolant automaton, with selfloop in false state [2018-07-23 13:49:59,270 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-07-23 13:49:59,270 INFO L185 omatonBuilderFactory]: Interpolants [11392#(and (<= ULTIMATE.start_main_~x~4 5) (<= 5 ULTIMATE.start_main_~x~4)), 11393#(and (<= 6 ULTIMATE.start_main_~x~4) (<= ULTIMATE.start_main_~x~4 6)), 11394#(and (<= ULTIMATE.start_main_~x~4 7) (<= 7 ULTIMATE.start_main_~x~4)), 11395#(and (<= ULTIMATE.start_main_~x~4 8) (<= 8 ULTIMATE.start_main_~x~4)), 11396#(and (<= 9 ULTIMATE.start_main_~x~4) (<= ULTIMATE.start_main_~x~4 9)), 11397#(and (<= ULTIMATE.start_main_~x~4 10) (<= 10 ULTIMATE.start_main_~x~4)), 11398#(and (<= ULTIMATE.start_main_~x~4 11) (<= 11 ULTIMATE.start_main_~x~4)), 11399#(and (<= 12 ULTIMATE.start_main_~x~4) (<= ULTIMATE.start_main_~x~4 12)), 11400#(and (<= ULTIMATE.start_main_~x~4 13) (<= 13 ULTIMATE.start_main_~x~4)), 11401#(and (<= 14 ULTIMATE.start_main_~x~4) (<= ULTIMATE.start_main_~x~4 14)), 11402#(and (<= 15 ULTIMATE.start_main_~x~4) (<= ULTIMATE.start_main_~x~4 15)), 11403#(and (<= ULTIMATE.start_main_~x~4 16) (<= 16 ULTIMATE.start_main_~x~4)), 11404#(and (<= ULTIMATE.start_main_~x~4 17) (<= 17 ULTIMATE.start_main_~x~4)), 11405#(and (<= 18 ULTIMATE.start_main_~x~4) (<= ULTIMATE.start_main_~x~4 18)), 11406#(and (<= 19 ULTIMATE.start_main_~x~4) (<= ULTIMATE.start_main_~x~4 19)), 11407#(and (<= 20 ULTIMATE.start_main_~x~4) (<= ULTIMATE.start_main_~x~4 20)), 11408#(and (<= ULTIMATE.start_main_~x~4 21) (<= 21 ULTIMATE.start_main_~x~4)), 11409#(and (<= ULTIMATE.start_main_~x~4 22) (<= 22 ULTIMATE.start_main_~x~4)), 11410#(and (<= ULTIMATE.start_main_~x~4 23) (<= 23 ULTIMATE.start_main_~x~4)), 11411#(and (<= ULTIMATE.start_main_~x~4 24) (<= 24 ULTIMATE.start_main_~x~4)), 11412#(and (<= ULTIMATE.start_main_~x~4 25) (<= 25 ULTIMATE.start_main_~x~4)), 11413#(and (<= ULTIMATE.start_main_~x~4 26) (<= 26 ULTIMATE.start_main_~x~4)), 11414#(and (<= ULTIMATE.start_main_~x~4 27) (<= 27 ULTIMATE.start_main_~x~4)), 11415#(and (<= ULTIMATE.start_main_~x~4 28) (<= 28 ULTIMATE.start_main_~x~4)), 11416#(and (<= 29 ULTIMATE.start_main_~x~4) (<= ULTIMATE.start_main_~x~4 29)), 11417#(and (<= ULTIMATE.start_main_~x~4 30) (<= 30 ULTIMATE.start_main_~x~4)), 11418#(and (<= ULTIMATE.start_main_~x~4 31) (<= 31 ULTIMATE.start_main_~x~4)), 11419#(and (<= ULTIMATE.start_main_~x~4 32) (<= 32 ULTIMATE.start_main_~x~4)), 11420#(and (<= ULTIMATE.start_main_~x~4 33) (<= 33 ULTIMATE.start_main_~x~4)), 11421#(and (<= 34 ULTIMATE.start_main_~x~4) (<= ULTIMATE.start_main_~x~4 34)), 11422#(and (<= ULTIMATE.start_main_~x~4 35) (<= 35 ULTIMATE.start_main_~x~4)), 11423#(and (<= 36 ULTIMATE.start_main_~x~4) (<= ULTIMATE.start_main_~x~4 36)), 11424#(and (<= ULTIMATE.start_main_~x~4 37) (<= 37 ULTIMATE.start_main_~x~4)), 11425#(and (<= 38 ULTIMATE.start_main_~x~4) (<= ULTIMATE.start_main_~x~4 38)), 11426#(and (<= ULTIMATE.start_main_~x~4 39) (<= 39 ULTIMATE.start_main_~x~4)), 11427#(and (<= ULTIMATE.start_main_~x~4 40) (<= 40 ULTIMATE.start_main_~x~4)), 11428#(and (<= ULTIMATE.start_main_~x~4 41) (<= 41 ULTIMATE.start_main_~x~4)), 11429#(and (<= ULTIMATE.start_main_~x~4 42) (<= 42 ULTIMATE.start_main_~x~4)), 11430#(and (<= ULTIMATE.start_main_~x~4 43) (<= 43 ULTIMATE.start_main_~x~4)), 11431#(and (<= 44 ULTIMATE.start_main_~x~4) (<= ULTIMATE.start_main_~x~4 44)), 11432#(and (<= 45 ULTIMATE.start_main_~x~4) (<= ULTIMATE.start_main_~x~4 45)), 11433#(and (<= ULTIMATE.start_main_~x~4 46) (<= 46 ULTIMATE.start_main_~x~4)), 11434#(and (<= 47 ULTIMATE.start_main_~x~4) (<= ULTIMATE.start_main_~x~4 47)), 11385#true, 11386#false, 11387#(and (<= ULTIMATE.start_main_~x~4 0) (<= 0 ULTIMATE.start_main_~x~4)), 11388#(and (<= ULTIMATE.start_main_~x~4 1) (<= 1 ULTIMATE.start_main_~x~4)), 11389#(and (<= 2 ULTIMATE.start_main_~x~4) (<= ULTIMATE.start_main_~x~4 2)), 11390#(and (<= 3 ULTIMATE.start_main_~x~4) (<= ULTIMATE.start_main_~x~4 3)), 11391#(and (<= ULTIMATE.start_main_~x~4 4) (<= 4 ULTIMATE.start_main_~x~4))] [2018-07-23 13:49:59,271 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 13:49:59,271 INFO L450 AbstractCegarLoop]: Interpolant automaton has 50 states [2018-07-23 13:49:59,272 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 50 interpolants. [2018-07-23 13:49:59,272 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=97, Invalid=2353, Unknown=0, NotChecked=0, Total=2450 [2018-07-23 13:49:59,273 INFO L87 Difference]: Start difference. First operand 99 states and 99 transitions. Second operand 50 states. [2018-07-23 13:49:59,649 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-07-23 13:49:59,649 INFO L93 Difference]: Finished difference Result 103 states and 103 transitions. [2018-07-23 13:49:59,649 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 50 states. [2018-07-23 13:49:59,650 INFO L78 Accepts]: Start accepts. Automaton has 50 states. Word has length 98 [2018-07-23 13:49:59,650 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-07-23 13:49:59,651 INFO L225 Difference]: With dead ends: 103 [2018-07-23 13:49:59,651 INFO L226 Difference]: Without dead ends: 101 [2018-07-23 13:49:59,651 INFO L575 BasicCegarLoop]: 0 DeclaredPredicates, 49 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 48 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=97, Invalid=2353, Unknown=0, NotChecked=0, Total=2450 [2018-07-23 13:49:59,652 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 101 states. [2018-07-23 13:49:59,658 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 101 to 101. [2018-07-23 13:49:59,659 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 101 states. [2018-07-23 13:49:59,659 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 101 states to 101 states and 101 transitions. [2018-07-23 13:49:59,659 INFO L78 Accepts]: Start accepts. Automaton has 101 states and 101 transitions. Word has length 98 [2018-07-23 13:49:59,660 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-07-23 13:49:59,660 INFO L471 AbstractCegarLoop]: Abstraction has 101 states and 101 transitions. [2018-07-23 13:49:59,660 INFO L472 AbstractCegarLoop]: Interpolant automaton has 50 states. [2018-07-23 13:49:59,660 INFO L276 IsEmpty]: Start isEmpty. Operand 101 states and 101 transitions. [2018-07-23 13:49:59,661 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 101 [2018-07-23 13:49:59,661 INFO L349 BasicCegarLoop]: Found error trace [2018-07-23 13:49:59,661 INFO L357 BasicCegarLoop]: trace histogram [49, 48, 1, 1, 1] [2018-07-23 13:49:59,661 INFO L414 AbstractCegarLoop]: === Iteration 49 === [ULTIMATE.startErr0AssertViolationASSERT]=== [2018-07-23 13:49:59,662 INFO L82 PathProgramCache]: Analyzing trace with hash 735415975, now seen corresponding path program 48 times [2018-07-23 13:49:59,662 INFO L69 tionRefinementEngine]: Using refinement strategy FixedRefinementStrategy [2018-07-23 13:49:59,689 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-07-23 13:49:59,937 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 13:49:59,937 INFO L309 seRefinementStrategy]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2018-07-23 13:49:59,937 INFO L324 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [50] total 50 [2018-07-23 13:49:59,938 INFO L142 lantAutomatonBuilder]: Constructing canonical interpolant automaton, with selfloop in false state [2018-07-23 13:49:59,938 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-07-23 13:49:59,938 INFO L185 omatonBuilderFactory]: Interpolants [11843#true, 11844#false, 11845#(and (<= ULTIMATE.start_main_~x~4 0) (<= 0 ULTIMATE.start_main_~x~4)), 11846#(and (<= ULTIMATE.start_main_~x~4 1) (<= 1 ULTIMATE.start_main_~x~4)), 11847#(and (<= 2 ULTIMATE.start_main_~x~4) (<= ULTIMATE.start_main_~x~4 2)), 11848#(and (<= 3 ULTIMATE.start_main_~x~4) (<= ULTIMATE.start_main_~x~4 3)), 11849#(and (<= ULTIMATE.start_main_~x~4 4) (<= 4 ULTIMATE.start_main_~x~4)), 11850#(and (<= ULTIMATE.start_main_~x~4 5) (<= 5 ULTIMATE.start_main_~x~4)), 11851#(and (<= 6 ULTIMATE.start_main_~x~4) (<= ULTIMATE.start_main_~x~4 6)), 11852#(and (<= ULTIMATE.start_main_~x~4 7) (<= 7 ULTIMATE.start_main_~x~4)), 11853#(and (<= ULTIMATE.start_main_~x~4 8) (<= 8 ULTIMATE.start_main_~x~4)), 11854#(and (<= 9 ULTIMATE.start_main_~x~4) (<= ULTIMATE.start_main_~x~4 9)), 11855#(and (<= ULTIMATE.start_main_~x~4 10) (<= 10 ULTIMATE.start_main_~x~4)), 11856#(and (<= ULTIMATE.start_main_~x~4 11) (<= 11 ULTIMATE.start_main_~x~4)), 11857#(and (<= 12 ULTIMATE.start_main_~x~4) (<= ULTIMATE.start_main_~x~4 12)), 11858#(and (<= ULTIMATE.start_main_~x~4 13) (<= 13 ULTIMATE.start_main_~x~4)), 11859#(and (<= 14 ULTIMATE.start_main_~x~4) (<= ULTIMATE.start_main_~x~4 14)), 11860#(and (<= 15 ULTIMATE.start_main_~x~4) (<= ULTIMATE.start_main_~x~4 15)), 11861#(and (<= ULTIMATE.start_main_~x~4 16) (<= 16 ULTIMATE.start_main_~x~4)), 11862#(and (<= ULTIMATE.start_main_~x~4 17) (<= 17 ULTIMATE.start_main_~x~4)), 11863#(and (<= 18 ULTIMATE.start_main_~x~4) (<= ULTIMATE.start_main_~x~4 18)), 11864#(and (<= 19 ULTIMATE.start_main_~x~4) (<= ULTIMATE.start_main_~x~4 19)), 11865#(and (<= 20 ULTIMATE.start_main_~x~4) (<= ULTIMATE.start_main_~x~4 20)), 11866#(and (<= ULTIMATE.start_main_~x~4 21) (<= 21 ULTIMATE.start_main_~x~4)), 11867#(and (<= ULTIMATE.start_main_~x~4 22) (<= 22 ULTIMATE.start_main_~x~4)), 11868#(and (<= ULTIMATE.start_main_~x~4 23) (<= 23 ULTIMATE.start_main_~x~4)), 11869#(and (<= ULTIMATE.start_main_~x~4 24) (<= 24 ULTIMATE.start_main_~x~4)), 11870#(and (<= ULTIMATE.start_main_~x~4 25) (<= 25 ULTIMATE.start_main_~x~4)), 11871#(and (<= ULTIMATE.start_main_~x~4 26) (<= 26 ULTIMATE.start_main_~x~4)), 11872#(and (<= ULTIMATE.start_main_~x~4 27) (<= 27 ULTIMATE.start_main_~x~4)), 11873#(and (<= ULTIMATE.start_main_~x~4 28) (<= 28 ULTIMATE.start_main_~x~4)), 11874#(and (<= 29 ULTIMATE.start_main_~x~4) (<= ULTIMATE.start_main_~x~4 29)), 11875#(and (<= ULTIMATE.start_main_~x~4 30) (<= 30 ULTIMATE.start_main_~x~4)), 11876#(and (<= ULTIMATE.start_main_~x~4 31) (<= 31 ULTIMATE.start_main_~x~4)), 11877#(and (<= ULTIMATE.start_main_~x~4 32) (<= 32 ULTIMATE.start_main_~x~4)), 11878#(and (<= ULTIMATE.start_main_~x~4 33) (<= 33 ULTIMATE.start_main_~x~4)), 11879#(and (<= 34 ULTIMATE.start_main_~x~4) (<= ULTIMATE.start_main_~x~4 34)), 11880#(and (<= ULTIMATE.start_main_~x~4 35) (<= 35 ULTIMATE.start_main_~x~4)), 11881#(and (<= 36 ULTIMATE.start_main_~x~4) (<= ULTIMATE.start_main_~x~4 36)), 11882#(and (<= ULTIMATE.start_main_~x~4 37) (<= 37 ULTIMATE.start_main_~x~4)), 11883#(and (<= 38 ULTIMATE.start_main_~x~4) (<= ULTIMATE.start_main_~x~4 38)), 11884#(and (<= ULTIMATE.start_main_~x~4 39) (<= 39 ULTIMATE.start_main_~x~4)), 11885#(and (<= ULTIMATE.start_main_~x~4 40) (<= 40 ULTIMATE.start_main_~x~4)), 11886#(and (<= ULTIMATE.start_main_~x~4 41) (<= 41 ULTIMATE.start_main_~x~4)), 11887#(and (<= ULTIMATE.start_main_~x~4 42) (<= 42 ULTIMATE.start_main_~x~4)), 11888#(and (<= ULTIMATE.start_main_~x~4 43) (<= 43 ULTIMATE.start_main_~x~4)), 11889#(and (<= 44 ULTIMATE.start_main_~x~4) (<= ULTIMATE.start_main_~x~4 44)), 11890#(and (<= 45 ULTIMATE.start_main_~x~4) (<= ULTIMATE.start_main_~x~4 45)), 11891#(and (<= ULTIMATE.start_main_~x~4 46) (<= 46 ULTIMATE.start_main_~x~4)), 11892#(and (<= 47 ULTIMATE.start_main_~x~4) (<= ULTIMATE.start_main_~x~4 47)), 11893#(and (<= 48 ULTIMATE.start_main_~x~4) (<= ULTIMATE.start_main_~x~4 48))] [2018-07-23 13:49:59,939 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 13:49:59,939 INFO L450 AbstractCegarLoop]: Interpolant automaton has 51 states [2018-07-23 13:49:59,939 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 51 interpolants. [2018-07-23 13:49:59,940 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=99, Invalid=2451, Unknown=0, NotChecked=0, Total=2550 [2018-07-23 13:49:59,940 INFO L87 Difference]: Start difference. First operand 101 states and 101 transitions. Second operand 51 states. [2018-07-23 13:50:00,271 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-07-23 13:50:00,272 INFO L93 Difference]: Finished difference Result 105 states and 105 transitions. [2018-07-23 13:50:00,272 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 51 states. [2018-07-23 13:50:00,272 INFO L78 Accepts]: Start accepts. Automaton has 51 states. Word has length 100 [2018-07-23 13:50:00,272 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-07-23 13:50:00,273 INFO L225 Difference]: With dead ends: 105 [2018-07-23 13:50:00,273 INFO L226 Difference]: Without dead ends: 103 [2018-07-23 13:50:00,274 INFO L575 BasicCegarLoop]: 0 DeclaredPredicates, 50 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 49 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=99, Invalid=2451, Unknown=0, NotChecked=0, Total=2550 [2018-07-23 13:50:00,274 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 103 states. [2018-07-23 13:50:00,281 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 103 to 103. [2018-07-23 13:50:00,281 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 103 states. [2018-07-23 13:50:00,282 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 103 states to 103 states and 103 transitions. [2018-07-23 13:50:00,282 INFO L78 Accepts]: Start accepts. Automaton has 103 states and 103 transitions. Word has length 100 [2018-07-23 13:50:00,282 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-07-23 13:50:00,282 INFO L471 AbstractCegarLoop]: Abstraction has 103 states and 103 transitions. [2018-07-23 13:50:00,282 INFO L472 AbstractCegarLoop]: Interpolant automaton has 51 states. [2018-07-23 13:50:00,283 INFO L276 IsEmpty]: Start isEmpty. Operand 103 states and 103 transitions. [2018-07-23 13:50:00,283 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 103 [2018-07-23 13:50:00,283 INFO L349 BasicCegarLoop]: Found error trace [2018-07-23 13:50:00,284 INFO L357 BasicCegarLoop]: trace histogram [50, 49, 1, 1, 1] [2018-07-23 13:50:00,284 INFO L414 AbstractCegarLoop]: === Iteration 50 === [ULTIMATE.startErr0AssertViolationASSERT]=== [2018-07-23 13:50:00,284 INFO L82 PathProgramCache]: Analyzing trace with hash -1934799775, now seen corresponding path program 49 times [2018-07-23 13:50:00,284 INFO L69 tionRefinementEngine]: Using refinement strategy FixedRefinementStrategy [2018-07-23 13:50:00,313 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-07-23 13:50:00,566 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 13:50:00,567 INFO L309 seRefinementStrategy]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2018-07-23 13:50:00,567 INFO L324 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [51] total 51 [2018-07-23 13:50:00,567 INFO L142 lantAutomatonBuilder]: Constructing canonical interpolant automaton, with selfloop in false state [2018-07-23 13:50:00,567 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-07-23 13:50:00,568 INFO L185 omatonBuilderFactory]: Interpolants [12310#true, 12311#false, 12312#(and (<= ULTIMATE.start_main_~x~4 0) (<= 0 ULTIMATE.start_main_~x~4)), 12313#(and (<= ULTIMATE.start_main_~x~4 1) (<= 1 ULTIMATE.start_main_~x~4)), 12314#(and (<= 2 ULTIMATE.start_main_~x~4) (<= ULTIMATE.start_main_~x~4 2)), 12315#(and (<= 3 ULTIMATE.start_main_~x~4) (<= ULTIMATE.start_main_~x~4 3)), 12316#(and (<= ULTIMATE.start_main_~x~4 4) (<= 4 ULTIMATE.start_main_~x~4)), 12317#(and (<= ULTIMATE.start_main_~x~4 5) (<= 5 ULTIMATE.start_main_~x~4)), 12318#(and (<= 6 ULTIMATE.start_main_~x~4) (<= ULTIMATE.start_main_~x~4 6)), 12319#(and (<= ULTIMATE.start_main_~x~4 7) (<= 7 ULTIMATE.start_main_~x~4)), 12320#(and (<= ULTIMATE.start_main_~x~4 8) (<= 8 ULTIMATE.start_main_~x~4)), 12321#(and (<= 9 ULTIMATE.start_main_~x~4) (<= ULTIMATE.start_main_~x~4 9)), 12322#(and (<= ULTIMATE.start_main_~x~4 10) (<= 10 ULTIMATE.start_main_~x~4)), 12323#(and (<= ULTIMATE.start_main_~x~4 11) (<= 11 ULTIMATE.start_main_~x~4)), 12324#(and (<= 12 ULTIMATE.start_main_~x~4) (<= ULTIMATE.start_main_~x~4 12)), 12325#(and (<= ULTIMATE.start_main_~x~4 13) (<= 13 ULTIMATE.start_main_~x~4)), 12326#(and (<= 14 ULTIMATE.start_main_~x~4) (<= ULTIMATE.start_main_~x~4 14)), 12327#(and (<= 15 ULTIMATE.start_main_~x~4) (<= ULTIMATE.start_main_~x~4 15)), 12328#(and (<= ULTIMATE.start_main_~x~4 16) (<= 16 ULTIMATE.start_main_~x~4)), 12329#(and (<= ULTIMATE.start_main_~x~4 17) (<= 17 ULTIMATE.start_main_~x~4)), 12330#(and (<= 18 ULTIMATE.start_main_~x~4) (<= ULTIMATE.start_main_~x~4 18)), 12331#(and (<= 19 ULTIMATE.start_main_~x~4) (<= ULTIMATE.start_main_~x~4 19)), 12332#(and (<= 20 ULTIMATE.start_main_~x~4) (<= ULTIMATE.start_main_~x~4 20)), 12333#(and (<= ULTIMATE.start_main_~x~4 21) (<= 21 ULTIMATE.start_main_~x~4)), 12334#(and (<= ULTIMATE.start_main_~x~4 22) (<= 22 ULTIMATE.start_main_~x~4)), 12335#(and (<= ULTIMATE.start_main_~x~4 23) (<= 23 ULTIMATE.start_main_~x~4)), 12336#(and (<= ULTIMATE.start_main_~x~4 24) (<= 24 ULTIMATE.start_main_~x~4)), 12337#(and (<= ULTIMATE.start_main_~x~4 25) (<= 25 ULTIMATE.start_main_~x~4)), 12338#(and (<= ULTIMATE.start_main_~x~4 26) (<= 26 ULTIMATE.start_main_~x~4)), 12339#(and (<= ULTIMATE.start_main_~x~4 27) (<= 27 ULTIMATE.start_main_~x~4)), 12340#(and (<= ULTIMATE.start_main_~x~4 28) (<= 28 ULTIMATE.start_main_~x~4)), 12341#(and (<= 29 ULTIMATE.start_main_~x~4) (<= ULTIMATE.start_main_~x~4 29)), 12342#(and (<= ULTIMATE.start_main_~x~4 30) (<= 30 ULTIMATE.start_main_~x~4)), 12343#(and (<= ULTIMATE.start_main_~x~4 31) (<= 31 ULTIMATE.start_main_~x~4)), 12344#(and (<= ULTIMATE.start_main_~x~4 32) (<= 32 ULTIMATE.start_main_~x~4)), 12345#(and (<= ULTIMATE.start_main_~x~4 33) (<= 33 ULTIMATE.start_main_~x~4)), 12346#(and (<= 34 ULTIMATE.start_main_~x~4) (<= ULTIMATE.start_main_~x~4 34)), 12347#(and (<= ULTIMATE.start_main_~x~4 35) (<= 35 ULTIMATE.start_main_~x~4)), 12348#(and (<= 36 ULTIMATE.start_main_~x~4) (<= ULTIMATE.start_main_~x~4 36)), 12349#(and (<= ULTIMATE.start_main_~x~4 37) (<= 37 ULTIMATE.start_main_~x~4)), 12350#(and (<= 38 ULTIMATE.start_main_~x~4) (<= ULTIMATE.start_main_~x~4 38)), 12351#(and (<= ULTIMATE.start_main_~x~4 39) (<= 39 ULTIMATE.start_main_~x~4)), 12352#(and (<= ULTIMATE.start_main_~x~4 40) (<= 40 ULTIMATE.start_main_~x~4)), 12353#(and (<= ULTIMATE.start_main_~x~4 41) (<= 41 ULTIMATE.start_main_~x~4)), 12354#(and (<= ULTIMATE.start_main_~x~4 42) (<= 42 ULTIMATE.start_main_~x~4)), 12355#(and (<= ULTIMATE.start_main_~x~4 43) (<= 43 ULTIMATE.start_main_~x~4)), 12356#(and (<= 44 ULTIMATE.start_main_~x~4) (<= ULTIMATE.start_main_~x~4 44)), 12357#(and (<= 45 ULTIMATE.start_main_~x~4) (<= ULTIMATE.start_main_~x~4 45)), 12358#(and (<= ULTIMATE.start_main_~x~4 46) (<= 46 ULTIMATE.start_main_~x~4)), 12359#(and (<= 47 ULTIMATE.start_main_~x~4) (<= ULTIMATE.start_main_~x~4 47)), 12360#(and (<= 48 ULTIMATE.start_main_~x~4) (<= ULTIMATE.start_main_~x~4 48)), 12361#(and (<= 49 ULTIMATE.start_main_~x~4) (<= ULTIMATE.start_main_~x~4 49))] [2018-07-23 13:50:00,568 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 13:50:00,569 INFO L450 AbstractCegarLoop]: Interpolant automaton has 52 states [2018-07-23 13:50:00,569 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 52 interpolants. [2018-07-23 13:50:00,569 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=101, Invalid=2551, Unknown=0, NotChecked=0, Total=2652 [2018-07-23 13:50:00,570 INFO L87 Difference]: Start difference. First operand 103 states and 103 transitions. Second operand 52 states. [2018-07-23 13:50:00,897 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-07-23 13:50:00,897 INFO L93 Difference]: Finished difference Result 107 states and 107 transitions. [2018-07-23 13:50:00,897 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 52 states. [2018-07-23 13:50:00,897 INFO L78 Accepts]: Start accepts. Automaton has 52 states. Word has length 102 [2018-07-23 13:50:00,898 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-07-23 13:50:00,898 INFO L225 Difference]: With dead ends: 107 [2018-07-23 13:50:00,899 INFO L226 Difference]: Without dead ends: 105 [2018-07-23 13:50:00,899 INFO L575 BasicCegarLoop]: 0 DeclaredPredicates, 51 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 50 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=101, Invalid=2551, Unknown=0, NotChecked=0, Total=2652 [2018-07-23 13:50:00,900 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 105 states. [2018-07-23 13:50:00,906 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 105 to 105. [2018-07-23 13:50:00,906 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 105 states. [2018-07-23 13:50:00,906 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 105 states to 105 states and 105 transitions. [2018-07-23 13:50:00,907 INFO L78 Accepts]: Start accepts. Automaton has 105 states and 105 transitions. Word has length 102 [2018-07-23 13:50:00,907 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-07-23 13:50:00,907 INFO L471 AbstractCegarLoop]: Abstraction has 105 states and 105 transitions. [2018-07-23 13:50:00,907 INFO L472 AbstractCegarLoop]: Interpolant automaton has 52 states. [2018-07-23 13:50:00,907 INFO L276 IsEmpty]: Start isEmpty. Operand 105 states and 105 transitions. [2018-07-23 13:50:00,908 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 105 [2018-07-23 13:50:00,908 INFO L349 BasicCegarLoop]: Found error trace [2018-07-23 13:50:00,908 INFO L357 BasicCegarLoop]: trace histogram [51, 50, 1, 1, 1] [2018-07-23 13:50:00,908 INFO L414 AbstractCegarLoop]: === Iteration 51 === [ULTIMATE.startErr0AssertViolationASSERT]=== [2018-07-23 13:50:00,909 INFO L82 PathProgramCache]: Analyzing trace with hash 378307483, now seen corresponding path program 50 times [2018-07-23 13:50:00,909 INFO L69 tionRefinementEngine]: Using refinement strategy FixedRefinementStrategy [2018-07-23 13:50:00,939 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-07-23 13:50:01,209 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 13:50:01,209 INFO L309 seRefinementStrategy]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2018-07-23 13:50:01,209 INFO L324 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [52] total 52 [2018-07-23 13:50:01,210 INFO L142 lantAutomatonBuilder]: Constructing canonical interpolant automaton, with selfloop in false state [2018-07-23 13:50:01,210 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-07-23 13:50:01,210 INFO L185 omatonBuilderFactory]: Interpolants [12800#(and (<= 12 ULTIMATE.start_main_~x~4) (<= ULTIMATE.start_main_~x~4 12)), 12801#(and (<= ULTIMATE.start_main_~x~4 13) (<= 13 ULTIMATE.start_main_~x~4)), 12802#(and (<= 14 ULTIMATE.start_main_~x~4) (<= ULTIMATE.start_main_~x~4 14)), 12803#(and (<= 15 ULTIMATE.start_main_~x~4) (<= ULTIMATE.start_main_~x~4 15)), 12804#(and (<= ULTIMATE.start_main_~x~4 16) (<= 16 ULTIMATE.start_main_~x~4)), 12805#(and (<= ULTIMATE.start_main_~x~4 17) (<= 17 ULTIMATE.start_main_~x~4)), 12806#(and (<= 18 ULTIMATE.start_main_~x~4) (<= ULTIMATE.start_main_~x~4 18)), 12807#(and (<= 19 ULTIMATE.start_main_~x~4) (<= ULTIMATE.start_main_~x~4 19)), 12808#(and (<= 20 ULTIMATE.start_main_~x~4) (<= ULTIMATE.start_main_~x~4 20)), 12809#(and (<= ULTIMATE.start_main_~x~4 21) (<= 21 ULTIMATE.start_main_~x~4)), 12810#(and (<= ULTIMATE.start_main_~x~4 22) (<= 22 ULTIMATE.start_main_~x~4)), 12811#(and (<= ULTIMATE.start_main_~x~4 23) (<= 23 ULTIMATE.start_main_~x~4)), 12812#(and (<= ULTIMATE.start_main_~x~4 24) (<= 24 ULTIMATE.start_main_~x~4)), 12813#(and (<= ULTIMATE.start_main_~x~4 25) (<= 25 ULTIMATE.start_main_~x~4)), 12814#(and (<= ULTIMATE.start_main_~x~4 26) (<= 26 ULTIMATE.start_main_~x~4)), 12815#(and (<= ULTIMATE.start_main_~x~4 27) (<= 27 ULTIMATE.start_main_~x~4)), 12816#(and (<= ULTIMATE.start_main_~x~4 28) (<= 28 ULTIMATE.start_main_~x~4)), 12817#(and (<= 29 ULTIMATE.start_main_~x~4) (<= ULTIMATE.start_main_~x~4 29)), 12818#(and (<= ULTIMATE.start_main_~x~4 30) (<= 30 ULTIMATE.start_main_~x~4)), 12819#(and (<= ULTIMATE.start_main_~x~4 31) (<= 31 ULTIMATE.start_main_~x~4)), 12820#(and (<= ULTIMATE.start_main_~x~4 32) (<= 32 ULTIMATE.start_main_~x~4)), 12821#(and (<= ULTIMATE.start_main_~x~4 33) (<= 33 ULTIMATE.start_main_~x~4)), 12822#(and (<= 34 ULTIMATE.start_main_~x~4) (<= ULTIMATE.start_main_~x~4 34)), 12823#(and (<= ULTIMATE.start_main_~x~4 35) (<= 35 ULTIMATE.start_main_~x~4)), 12824#(and (<= 36 ULTIMATE.start_main_~x~4) (<= ULTIMATE.start_main_~x~4 36)), 12825#(and (<= ULTIMATE.start_main_~x~4 37) (<= 37 ULTIMATE.start_main_~x~4)), 12826#(and (<= 38 ULTIMATE.start_main_~x~4) (<= ULTIMATE.start_main_~x~4 38)), 12827#(and (<= ULTIMATE.start_main_~x~4 39) (<= 39 ULTIMATE.start_main_~x~4)), 12828#(and (<= ULTIMATE.start_main_~x~4 40) (<= 40 ULTIMATE.start_main_~x~4)), 12829#(and (<= ULTIMATE.start_main_~x~4 41) (<= 41 ULTIMATE.start_main_~x~4)), 12830#(and (<= ULTIMATE.start_main_~x~4 42) (<= 42 ULTIMATE.start_main_~x~4)), 12831#(and (<= ULTIMATE.start_main_~x~4 43) (<= 43 ULTIMATE.start_main_~x~4)), 12832#(and (<= 44 ULTIMATE.start_main_~x~4) (<= ULTIMATE.start_main_~x~4 44)), 12833#(and (<= 45 ULTIMATE.start_main_~x~4) (<= ULTIMATE.start_main_~x~4 45)), 12834#(and (<= ULTIMATE.start_main_~x~4 46) (<= 46 ULTIMATE.start_main_~x~4)), 12835#(and (<= 47 ULTIMATE.start_main_~x~4) (<= ULTIMATE.start_main_~x~4 47)), 12836#(and (<= 48 ULTIMATE.start_main_~x~4) (<= ULTIMATE.start_main_~x~4 48)), 12837#(and (<= 49 ULTIMATE.start_main_~x~4) (<= ULTIMATE.start_main_~x~4 49)), 12838#(and (<= ULTIMATE.start_main_~x~4 50) (<= 50 ULTIMATE.start_main_~x~4)), 12786#true, 12787#false, 12788#(and (<= ULTIMATE.start_main_~x~4 0) (<= 0 ULTIMATE.start_main_~x~4)), 12789#(and (<= ULTIMATE.start_main_~x~4 1) (<= 1 ULTIMATE.start_main_~x~4)), 12790#(and (<= 2 ULTIMATE.start_main_~x~4) (<= ULTIMATE.start_main_~x~4 2)), 12791#(and (<= 3 ULTIMATE.start_main_~x~4) (<= ULTIMATE.start_main_~x~4 3)), 12792#(and (<= ULTIMATE.start_main_~x~4 4) (<= 4 ULTIMATE.start_main_~x~4)), 12793#(and (<= ULTIMATE.start_main_~x~4 5) (<= 5 ULTIMATE.start_main_~x~4)), 12794#(and (<= 6 ULTIMATE.start_main_~x~4) (<= ULTIMATE.start_main_~x~4 6)), 12795#(and (<= ULTIMATE.start_main_~x~4 7) (<= 7 ULTIMATE.start_main_~x~4)), 12796#(and (<= ULTIMATE.start_main_~x~4 8) (<= 8 ULTIMATE.start_main_~x~4)), 12797#(and (<= 9 ULTIMATE.start_main_~x~4) (<= ULTIMATE.start_main_~x~4 9)), 12798#(and (<= ULTIMATE.start_main_~x~4 10) (<= 10 ULTIMATE.start_main_~x~4)), 12799#(and (<= ULTIMATE.start_main_~x~4 11) (<= 11 ULTIMATE.start_main_~x~4))] [2018-07-23 13:50:01,211 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 13:50:01,211 INFO L450 AbstractCegarLoop]: Interpolant automaton has 53 states [2018-07-23 13:50:01,212 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 53 interpolants. [2018-07-23 13:50:01,212 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=103, Invalid=2653, Unknown=0, NotChecked=0, Total=2756 [2018-07-23 13:50:01,213 INFO L87 Difference]: Start difference. First operand 105 states and 105 transitions. Second operand 53 states. [2018-07-23 13:50:01,568 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-07-23 13:50:01,569 INFO L93 Difference]: Finished difference Result 109 states and 109 transitions. [2018-07-23 13:50:01,569 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 53 states. [2018-07-23 13:50:01,569 INFO L78 Accepts]: Start accepts. Automaton has 53 states. Word has length 104 [2018-07-23 13:50:01,570 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-07-23 13:50:01,570 INFO L225 Difference]: With dead ends: 109 [2018-07-23 13:50:01,570 INFO L226 Difference]: Without dead ends: 107 [2018-07-23 13:50:01,571 INFO L575 BasicCegarLoop]: 0 DeclaredPredicates, 52 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 51 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=103, Invalid=2653, Unknown=0, NotChecked=0, Total=2756 [2018-07-23 13:50:01,572 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 107 states. [2018-07-23 13:50:01,582 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 107 to 107. [2018-07-23 13:50:01,582 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 107 states. [2018-07-23 13:50:01,583 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 107 states to 107 states and 107 transitions. [2018-07-23 13:50:01,583 INFO L78 Accepts]: Start accepts. Automaton has 107 states and 107 transitions. Word has length 104 [2018-07-23 13:50:01,583 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-07-23 13:50:01,583 INFO L471 AbstractCegarLoop]: Abstraction has 107 states and 107 transitions. [2018-07-23 13:50:01,583 INFO L472 AbstractCegarLoop]: Interpolant automaton has 53 states. [2018-07-23 13:50:01,584 INFO L276 IsEmpty]: Start isEmpty. Operand 107 states and 107 transitions. [2018-07-23 13:50:01,584 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 107 [2018-07-23 13:50:01,584 INFO L349 BasicCegarLoop]: Found error trace [2018-07-23 13:50:01,585 INFO L357 BasicCegarLoop]: trace histogram [52, 51, 1, 1, 1] [2018-07-23 13:50:01,585 INFO L414 AbstractCegarLoop]: === Iteration 52 === [ULTIMATE.startErr0AssertViolationASSERT]=== [2018-07-23 13:50:01,585 INFO L82 PathProgramCache]: Analyzing trace with hash -1518676907, now seen corresponding path program 51 times [2018-07-23 13:50:01,585 INFO L69 tionRefinementEngine]: Using refinement strategy FixedRefinementStrategy [2018-07-23 13:50:01,619 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-07-23 13:50:01,910 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 13:50:01,910 INFO L309 seRefinementStrategy]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2018-07-23 13:50:01,910 INFO L324 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [53] total 53 [2018-07-23 13:50:01,911 INFO L142 lantAutomatonBuilder]: Constructing canonical interpolant automaton, with selfloop in false state [2018-07-23 13:50:01,911 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-07-23 13:50:01,911 INFO L185 omatonBuilderFactory]: Interpolants [13312#(and (<= ULTIMATE.start_main_~x~4 39) (<= 39 ULTIMATE.start_main_~x~4)), 13313#(and (<= ULTIMATE.start_main_~x~4 40) (<= 40 ULTIMATE.start_main_~x~4)), 13314#(and (<= ULTIMATE.start_main_~x~4 41) (<= 41 ULTIMATE.start_main_~x~4)), 13315#(and (<= ULTIMATE.start_main_~x~4 42) (<= 42 ULTIMATE.start_main_~x~4)), 13316#(and (<= ULTIMATE.start_main_~x~4 43) (<= 43 ULTIMATE.start_main_~x~4)), 13317#(and (<= 44 ULTIMATE.start_main_~x~4) (<= ULTIMATE.start_main_~x~4 44)), 13318#(and (<= 45 ULTIMATE.start_main_~x~4) (<= ULTIMATE.start_main_~x~4 45)), 13319#(and (<= ULTIMATE.start_main_~x~4 46) (<= 46 ULTIMATE.start_main_~x~4)), 13320#(and (<= 47 ULTIMATE.start_main_~x~4) (<= ULTIMATE.start_main_~x~4 47)), 13321#(and (<= 48 ULTIMATE.start_main_~x~4) (<= ULTIMATE.start_main_~x~4 48)), 13322#(and (<= 49 ULTIMATE.start_main_~x~4) (<= ULTIMATE.start_main_~x~4 49)), 13323#(and (<= ULTIMATE.start_main_~x~4 50) (<= 50 ULTIMATE.start_main_~x~4)), 13324#(and (<= 51 ULTIMATE.start_main_~x~4) (<= ULTIMATE.start_main_~x~4 51)), 13271#true, 13272#false, 13273#(and (<= ULTIMATE.start_main_~x~4 0) (<= 0 ULTIMATE.start_main_~x~4)), 13274#(and (<= ULTIMATE.start_main_~x~4 1) (<= 1 ULTIMATE.start_main_~x~4)), 13275#(and (<= 2 ULTIMATE.start_main_~x~4) (<= ULTIMATE.start_main_~x~4 2)), 13276#(and (<= 3 ULTIMATE.start_main_~x~4) (<= ULTIMATE.start_main_~x~4 3)), 13277#(and (<= ULTIMATE.start_main_~x~4 4) (<= 4 ULTIMATE.start_main_~x~4)), 13278#(and (<= ULTIMATE.start_main_~x~4 5) (<= 5 ULTIMATE.start_main_~x~4)), 13279#(and (<= 6 ULTIMATE.start_main_~x~4) (<= ULTIMATE.start_main_~x~4 6)), 13280#(and (<= ULTIMATE.start_main_~x~4 7) (<= 7 ULTIMATE.start_main_~x~4)), 13281#(and (<= ULTIMATE.start_main_~x~4 8) (<= 8 ULTIMATE.start_main_~x~4)), 13282#(and (<= 9 ULTIMATE.start_main_~x~4) (<= ULTIMATE.start_main_~x~4 9)), 13283#(and (<= ULTIMATE.start_main_~x~4 10) (<= 10 ULTIMATE.start_main_~x~4)), 13284#(and (<= ULTIMATE.start_main_~x~4 11) (<= 11 ULTIMATE.start_main_~x~4)), 13285#(and (<= 12 ULTIMATE.start_main_~x~4) (<= ULTIMATE.start_main_~x~4 12)), 13286#(and (<= ULTIMATE.start_main_~x~4 13) (<= 13 ULTIMATE.start_main_~x~4)), 13287#(and (<= 14 ULTIMATE.start_main_~x~4) (<= ULTIMATE.start_main_~x~4 14)), 13288#(and (<= 15 ULTIMATE.start_main_~x~4) (<= ULTIMATE.start_main_~x~4 15)), 13289#(and (<= ULTIMATE.start_main_~x~4 16) (<= 16 ULTIMATE.start_main_~x~4)), 13290#(and (<= ULTIMATE.start_main_~x~4 17) (<= 17 ULTIMATE.start_main_~x~4)), 13291#(and (<= 18 ULTIMATE.start_main_~x~4) (<= ULTIMATE.start_main_~x~4 18)), 13292#(and (<= 19 ULTIMATE.start_main_~x~4) (<= ULTIMATE.start_main_~x~4 19)), 13293#(and (<= 20 ULTIMATE.start_main_~x~4) (<= ULTIMATE.start_main_~x~4 20)), 13294#(and (<= ULTIMATE.start_main_~x~4 21) (<= 21 ULTIMATE.start_main_~x~4)), 13295#(and (<= ULTIMATE.start_main_~x~4 22) (<= 22 ULTIMATE.start_main_~x~4)), 13296#(and (<= ULTIMATE.start_main_~x~4 23) (<= 23 ULTIMATE.start_main_~x~4)), 13297#(and (<= ULTIMATE.start_main_~x~4 24) (<= 24 ULTIMATE.start_main_~x~4)), 13298#(and (<= ULTIMATE.start_main_~x~4 25) (<= 25 ULTIMATE.start_main_~x~4)), 13299#(and (<= ULTIMATE.start_main_~x~4 26) (<= 26 ULTIMATE.start_main_~x~4)), 13300#(and (<= ULTIMATE.start_main_~x~4 27) (<= 27 ULTIMATE.start_main_~x~4)), 13301#(and (<= ULTIMATE.start_main_~x~4 28) (<= 28 ULTIMATE.start_main_~x~4)), 13302#(and (<= 29 ULTIMATE.start_main_~x~4) (<= ULTIMATE.start_main_~x~4 29)), 13303#(and (<= ULTIMATE.start_main_~x~4 30) (<= 30 ULTIMATE.start_main_~x~4)), 13304#(and (<= ULTIMATE.start_main_~x~4 31) (<= 31 ULTIMATE.start_main_~x~4)), 13305#(and (<= ULTIMATE.start_main_~x~4 32) (<= 32 ULTIMATE.start_main_~x~4)), 13306#(and (<= ULTIMATE.start_main_~x~4 33) (<= 33 ULTIMATE.start_main_~x~4)), 13307#(and (<= 34 ULTIMATE.start_main_~x~4) (<= ULTIMATE.start_main_~x~4 34)), 13308#(and (<= ULTIMATE.start_main_~x~4 35) (<= 35 ULTIMATE.start_main_~x~4)), 13309#(and (<= 36 ULTIMATE.start_main_~x~4) (<= ULTIMATE.start_main_~x~4 36)), 13310#(and (<= ULTIMATE.start_main_~x~4 37) (<= 37 ULTIMATE.start_main_~x~4)), 13311#(and (<= 38 ULTIMATE.start_main_~x~4) (<= ULTIMATE.start_main_~x~4 38))] [2018-07-23 13:50:01,912 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 13:50:01,912 INFO L450 AbstractCegarLoop]: Interpolant automaton has 54 states [2018-07-23 13:50:01,913 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 54 interpolants. [2018-07-23 13:50:01,913 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=105, Invalid=2757, Unknown=0, NotChecked=0, Total=2862 [2018-07-23 13:50:01,914 INFO L87 Difference]: Start difference. First operand 107 states and 107 transitions. Second operand 54 states. [2018-07-23 13:50:02,311 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-07-23 13:50:02,312 INFO L93 Difference]: Finished difference Result 111 states and 111 transitions. [2018-07-23 13:50:02,312 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 54 states. [2018-07-23 13:50:02,312 INFO L78 Accepts]: Start accepts. Automaton has 54 states. Word has length 106 [2018-07-23 13:50:02,313 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-07-23 13:50:02,313 INFO L225 Difference]: With dead ends: 111 [2018-07-23 13:50:02,314 INFO L226 Difference]: Without dead ends: 109 [2018-07-23 13:50:02,314 INFO L575 BasicCegarLoop]: 0 DeclaredPredicates, 53 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 52 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=105, Invalid=2757, Unknown=0, NotChecked=0, Total=2862 [2018-07-23 13:50:02,315 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 109 states. [2018-07-23 13:50:02,322 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 109 to 109. [2018-07-23 13:50:02,323 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 109 states. [2018-07-23 13:50:02,323 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 109 states to 109 states and 109 transitions. [2018-07-23 13:50:02,324 INFO L78 Accepts]: Start accepts. Automaton has 109 states and 109 transitions. Word has length 106 [2018-07-23 13:50:02,324 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-07-23 13:50:02,324 INFO L471 AbstractCegarLoop]: Abstraction has 109 states and 109 transitions. [2018-07-23 13:50:02,324 INFO L472 AbstractCegarLoop]: Interpolant automaton has 54 states. [2018-07-23 13:50:02,324 INFO L276 IsEmpty]: Start isEmpty. Operand 109 states and 109 transitions. [2018-07-23 13:50:02,325 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 109 [2018-07-23 13:50:02,326 INFO L349 BasicCegarLoop]: Found error trace [2018-07-23 13:50:02,326 INFO L357 BasicCegarLoop]: trace histogram [53, 52, 1, 1, 1] [2018-07-23 13:50:02,326 INFO L414 AbstractCegarLoop]: === Iteration 53 === [ULTIMATE.startErr0AssertViolationASSERT]=== [2018-07-23 13:50:02,326 INFO L82 PathProgramCache]: Analyzing trace with hash 840425103, now seen corresponding path program 52 times [2018-07-23 13:50:02,326 INFO L69 tionRefinementEngine]: Using refinement strategy FixedRefinementStrategy [2018-07-23 13:50:02,371 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-07-23 13:50:02,733 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 13:50:02,734 INFO L309 seRefinementStrategy]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2018-07-23 13:50:02,734 INFO L324 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [54] total 54 [2018-07-23 13:50:02,734 INFO L142 lantAutomatonBuilder]: Constructing canonical interpolant automaton, with selfloop in false state [2018-07-23 13:50:02,735 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-07-23 13:50:02,735 INFO L185 omatonBuilderFactory]: Interpolants [13765#true, 13766#false, 13767#(and (<= ULTIMATE.start_main_~x~4 0) (<= 0 ULTIMATE.start_main_~x~4)), 13768#(and (<= ULTIMATE.start_main_~x~4 1) (<= 1 ULTIMATE.start_main_~x~4)), 13769#(and (<= 2 ULTIMATE.start_main_~x~4) (<= ULTIMATE.start_main_~x~4 2)), 13770#(and (<= 3 ULTIMATE.start_main_~x~4) (<= ULTIMATE.start_main_~x~4 3)), 13771#(and (<= ULTIMATE.start_main_~x~4 4) (<= 4 ULTIMATE.start_main_~x~4)), 13772#(and (<= ULTIMATE.start_main_~x~4 5) (<= 5 ULTIMATE.start_main_~x~4)), 13773#(and (<= 6 ULTIMATE.start_main_~x~4) (<= ULTIMATE.start_main_~x~4 6)), 13774#(and (<= ULTIMATE.start_main_~x~4 7) (<= 7 ULTIMATE.start_main_~x~4)), 13775#(and (<= ULTIMATE.start_main_~x~4 8) (<= 8 ULTIMATE.start_main_~x~4)), 13776#(and (<= 9 ULTIMATE.start_main_~x~4) (<= ULTIMATE.start_main_~x~4 9)), 13777#(and (<= ULTIMATE.start_main_~x~4 10) (<= 10 ULTIMATE.start_main_~x~4)), 13778#(and (<= ULTIMATE.start_main_~x~4 11) (<= 11 ULTIMATE.start_main_~x~4)), 13779#(and (<= 12 ULTIMATE.start_main_~x~4) (<= ULTIMATE.start_main_~x~4 12)), 13780#(and (<= ULTIMATE.start_main_~x~4 13) (<= 13 ULTIMATE.start_main_~x~4)), 13781#(and (<= 14 ULTIMATE.start_main_~x~4) (<= ULTIMATE.start_main_~x~4 14)), 13782#(and (<= 15 ULTIMATE.start_main_~x~4) (<= ULTIMATE.start_main_~x~4 15)), 13783#(and (<= ULTIMATE.start_main_~x~4 16) (<= 16 ULTIMATE.start_main_~x~4)), 13784#(and (<= ULTIMATE.start_main_~x~4 17) (<= 17 ULTIMATE.start_main_~x~4)), 13785#(and (<= 18 ULTIMATE.start_main_~x~4) (<= ULTIMATE.start_main_~x~4 18)), 13786#(and (<= 19 ULTIMATE.start_main_~x~4) (<= ULTIMATE.start_main_~x~4 19)), 13787#(and (<= 20 ULTIMATE.start_main_~x~4) (<= ULTIMATE.start_main_~x~4 20)), 13788#(and (<= ULTIMATE.start_main_~x~4 21) (<= 21 ULTIMATE.start_main_~x~4)), 13789#(and (<= ULTIMATE.start_main_~x~4 22) (<= 22 ULTIMATE.start_main_~x~4)), 13790#(and (<= ULTIMATE.start_main_~x~4 23) (<= 23 ULTIMATE.start_main_~x~4)), 13791#(and (<= ULTIMATE.start_main_~x~4 24) (<= 24 ULTIMATE.start_main_~x~4)), 13792#(and (<= ULTIMATE.start_main_~x~4 25) (<= 25 ULTIMATE.start_main_~x~4)), 13793#(and (<= ULTIMATE.start_main_~x~4 26) (<= 26 ULTIMATE.start_main_~x~4)), 13794#(and (<= ULTIMATE.start_main_~x~4 27) (<= 27 ULTIMATE.start_main_~x~4)), 13795#(and (<= ULTIMATE.start_main_~x~4 28) (<= 28 ULTIMATE.start_main_~x~4)), 13796#(and (<= 29 ULTIMATE.start_main_~x~4) (<= ULTIMATE.start_main_~x~4 29)), 13797#(and (<= ULTIMATE.start_main_~x~4 30) (<= 30 ULTIMATE.start_main_~x~4)), 13798#(and (<= ULTIMATE.start_main_~x~4 31) (<= 31 ULTIMATE.start_main_~x~4)), 13799#(and (<= ULTIMATE.start_main_~x~4 32) (<= 32 ULTIMATE.start_main_~x~4)), 13800#(and (<= ULTIMATE.start_main_~x~4 33) (<= 33 ULTIMATE.start_main_~x~4)), 13801#(and (<= 34 ULTIMATE.start_main_~x~4) (<= ULTIMATE.start_main_~x~4 34)), 13802#(and (<= ULTIMATE.start_main_~x~4 35) (<= 35 ULTIMATE.start_main_~x~4)), 13803#(and (<= 36 ULTIMATE.start_main_~x~4) (<= ULTIMATE.start_main_~x~4 36)), 13804#(and (<= ULTIMATE.start_main_~x~4 37) (<= 37 ULTIMATE.start_main_~x~4)), 13805#(and (<= 38 ULTIMATE.start_main_~x~4) (<= ULTIMATE.start_main_~x~4 38)), 13806#(and (<= ULTIMATE.start_main_~x~4 39) (<= 39 ULTIMATE.start_main_~x~4)), 13807#(and (<= ULTIMATE.start_main_~x~4 40) (<= 40 ULTIMATE.start_main_~x~4)), 13808#(and (<= ULTIMATE.start_main_~x~4 41) (<= 41 ULTIMATE.start_main_~x~4)), 13809#(and (<= ULTIMATE.start_main_~x~4 42) (<= 42 ULTIMATE.start_main_~x~4)), 13810#(and (<= ULTIMATE.start_main_~x~4 43) (<= 43 ULTIMATE.start_main_~x~4)), 13811#(and (<= 44 ULTIMATE.start_main_~x~4) (<= ULTIMATE.start_main_~x~4 44)), 13812#(and (<= 45 ULTIMATE.start_main_~x~4) (<= ULTIMATE.start_main_~x~4 45)), 13813#(and (<= ULTIMATE.start_main_~x~4 46) (<= 46 ULTIMATE.start_main_~x~4)), 13814#(and (<= 47 ULTIMATE.start_main_~x~4) (<= ULTIMATE.start_main_~x~4 47)), 13815#(and (<= 48 ULTIMATE.start_main_~x~4) (<= ULTIMATE.start_main_~x~4 48)), 13816#(and (<= 49 ULTIMATE.start_main_~x~4) (<= ULTIMATE.start_main_~x~4 49)), 13817#(and (<= ULTIMATE.start_main_~x~4 50) (<= 50 ULTIMATE.start_main_~x~4)), 13818#(and (<= 51 ULTIMATE.start_main_~x~4) (<= ULTIMATE.start_main_~x~4 51)), 13819#(and (<= ULTIMATE.start_main_~x~4 52) (<= 52 ULTIMATE.start_main_~x~4))] [2018-07-23 13:50:02,736 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 13:50:02,736 INFO L450 AbstractCegarLoop]: Interpolant automaton has 55 states [2018-07-23 13:50:02,736 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 55 interpolants. [2018-07-23 13:50:02,737 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=107, Invalid=2863, Unknown=0, NotChecked=0, Total=2970 [2018-07-23 13:50:02,737 INFO L87 Difference]: Start difference. First operand 109 states and 109 transitions. Second operand 55 states. [2018-07-23 13:50:03,084 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-07-23 13:50:03,084 INFO L93 Difference]: Finished difference Result 113 states and 113 transitions. [2018-07-23 13:50:03,084 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 55 states. [2018-07-23 13:50:03,084 INFO L78 Accepts]: Start accepts. Automaton has 55 states. Word has length 108 [2018-07-23 13:50:03,085 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-07-23 13:50:03,085 INFO L225 Difference]: With dead ends: 113 [2018-07-23 13:50:03,085 INFO L226 Difference]: Without dead ends: 111 [2018-07-23 13:50:03,086 INFO L575 BasicCegarLoop]: 0 DeclaredPredicates, 54 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 53 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=107, Invalid=2863, Unknown=0, NotChecked=0, Total=2970 [2018-07-23 13:50:03,086 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 111 states. [2018-07-23 13:50:03,096 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 111 to 111. [2018-07-23 13:50:03,100 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 111 states. [2018-07-23 13:50:03,101 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 111 states to 111 states and 111 transitions. [2018-07-23 13:50:03,101 INFO L78 Accepts]: Start accepts. Automaton has 111 states and 111 transitions. Word has length 108 [2018-07-23 13:50:03,101 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-07-23 13:50:03,102 INFO L471 AbstractCegarLoop]: Abstraction has 111 states and 111 transitions. [2018-07-23 13:50:03,102 INFO L472 AbstractCegarLoop]: Interpolant automaton has 55 states. [2018-07-23 13:50:03,102 INFO L276 IsEmpty]: Start isEmpty. Operand 111 states and 111 transitions. [2018-07-23 13:50:03,103 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 111 [2018-07-23 13:50:03,103 INFO L349 BasicCegarLoop]: Found error trace [2018-07-23 13:50:03,103 INFO L357 BasicCegarLoop]: trace histogram [54, 53, 1, 1, 1] [2018-07-23 13:50:03,105 INFO L414 AbstractCegarLoop]: === Iteration 54 === [ULTIMATE.startErr0AssertViolationASSERT]=== [2018-07-23 13:50:03,106 INFO L82 PathProgramCache]: Analyzing trace with hash 194724425, now seen corresponding path program 53 times [2018-07-23 13:50:03,106 INFO L69 tionRefinementEngine]: Using refinement strategy FixedRefinementStrategy [2018-07-23 13:50:03,144 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-07-23 13:50:03,430 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 13:50:03,430 INFO L309 seRefinementStrategy]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2018-07-23 13:50:03,430 INFO L324 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [55] total 55 [2018-07-23 13:50:03,431 INFO L142 lantAutomatonBuilder]: Constructing canonical interpolant automaton, with selfloop in false state [2018-07-23 13:50:03,431 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-07-23 13:50:03,432 INFO L185 omatonBuilderFactory]: Interpolants [14268#true, 14269#false, 14270#(and (<= ULTIMATE.start_main_~x~4 0) (<= 0 ULTIMATE.start_main_~x~4)), 14271#(and (<= ULTIMATE.start_main_~x~4 1) (<= 1 ULTIMATE.start_main_~x~4)), 14272#(and (<= 2 ULTIMATE.start_main_~x~4) (<= ULTIMATE.start_main_~x~4 2)), 14273#(and (<= 3 ULTIMATE.start_main_~x~4) (<= ULTIMATE.start_main_~x~4 3)), 14274#(and (<= ULTIMATE.start_main_~x~4 4) (<= 4 ULTIMATE.start_main_~x~4)), 14275#(and (<= ULTIMATE.start_main_~x~4 5) (<= 5 ULTIMATE.start_main_~x~4)), 14276#(and (<= 6 ULTIMATE.start_main_~x~4) (<= ULTIMATE.start_main_~x~4 6)), 14277#(and (<= ULTIMATE.start_main_~x~4 7) (<= 7 ULTIMATE.start_main_~x~4)), 14278#(and (<= ULTIMATE.start_main_~x~4 8) (<= 8 ULTIMATE.start_main_~x~4)), 14279#(and (<= 9 ULTIMATE.start_main_~x~4) (<= ULTIMATE.start_main_~x~4 9)), 14280#(and (<= ULTIMATE.start_main_~x~4 10) (<= 10 ULTIMATE.start_main_~x~4)), 14281#(and (<= ULTIMATE.start_main_~x~4 11) (<= 11 ULTIMATE.start_main_~x~4)), 14282#(and (<= 12 ULTIMATE.start_main_~x~4) (<= ULTIMATE.start_main_~x~4 12)), 14283#(and (<= ULTIMATE.start_main_~x~4 13) (<= 13 ULTIMATE.start_main_~x~4)), 14284#(and (<= 14 ULTIMATE.start_main_~x~4) (<= ULTIMATE.start_main_~x~4 14)), 14285#(and (<= 15 ULTIMATE.start_main_~x~4) (<= ULTIMATE.start_main_~x~4 15)), 14286#(and (<= ULTIMATE.start_main_~x~4 16) (<= 16 ULTIMATE.start_main_~x~4)), 14287#(and (<= ULTIMATE.start_main_~x~4 17) (<= 17 ULTIMATE.start_main_~x~4)), 14288#(and (<= 18 ULTIMATE.start_main_~x~4) (<= ULTIMATE.start_main_~x~4 18)), 14289#(and (<= 19 ULTIMATE.start_main_~x~4) (<= ULTIMATE.start_main_~x~4 19)), 14290#(and (<= 20 ULTIMATE.start_main_~x~4) (<= ULTIMATE.start_main_~x~4 20)), 14291#(and (<= ULTIMATE.start_main_~x~4 21) (<= 21 ULTIMATE.start_main_~x~4)), 14292#(and (<= ULTIMATE.start_main_~x~4 22) (<= 22 ULTIMATE.start_main_~x~4)), 14293#(and (<= ULTIMATE.start_main_~x~4 23) (<= 23 ULTIMATE.start_main_~x~4)), 14294#(and (<= ULTIMATE.start_main_~x~4 24) (<= 24 ULTIMATE.start_main_~x~4)), 14295#(and (<= ULTIMATE.start_main_~x~4 25) (<= 25 ULTIMATE.start_main_~x~4)), 14296#(and (<= ULTIMATE.start_main_~x~4 26) (<= 26 ULTIMATE.start_main_~x~4)), 14297#(and (<= ULTIMATE.start_main_~x~4 27) (<= 27 ULTIMATE.start_main_~x~4)), 14298#(and (<= ULTIMATE.start_main_~x~4 28) (<= 28 ULTIMATE.start_main_~x~4)), 14299#(and (<= 29 ULTIMATE.start_main_~x~4) (<= ULTIMATE.start_main_~x~4 29)), 14300#(and (<= ULTIMATE.start_main_~x~4 30) (<= 30 ULTIMATE.start_main_~x~4)), 14301#(and (<= ULTIMATE.start_main_~x~4 31) (<= 31 ULTIMATE.start_main_~x~4)), 14302#(and (<= ULTIMATE.start_main_~x~4 32) (<= 32 ULTIMATE.start_main_~x~4)), 14303#(and (<= ULTIMATE.start_main_~x~4 33) (<= 33 ULTIMATE.start_main_~x~4)), 14304#(and (<= 34 ULTIMATE.start_main_~x~4) (<= ULTIMATE.start_main_~x~4 34)), 14305#(and (<= ULTIMATE.start_main_~x~4 35) (<= 35 ULTIMATE.start_main_~x~4)), 14306#(and (<= 36 ULTIMATE.start_main_~x~4) (<= ULTIMATE.start_main_~x~4 36)), 14307#(and (<= ULTIMATE.start_main_~x~4 37) (<= 37 ULTIMATE.start_main_~x~4)), 14308#(and (<= 38 ULTIMATE.start_main_~x~4) (<= ULTIMATE.start_main_~x~4 38)), 14309#(and (<= ULTIMATE.start_main_~x~4 39) (<= 39 ULTIMATE.start_main_~x~4)), 14310#(and (<= ULTIMATE.start_main_~x~4 40) (<= 40 ULTIMATE.start_main_~x~4)), 14311#(and (<= ULTIMATE.start_main_~x~4 41) (<= 41 ULTIMATE.start_main_~x~4)), 14312#(and (<= ULTIMATE.start_main_~x~4 42) (<= 42 ULTIMATE.start_main_~x~4)), 14313#(and (<= ULTIMATE.start_main_~x~4 43) (<= 43 ULTIMATE.start_main_~x~4)), 14314#(and (<= 44 ULTIMATE.start_main_~x~4) (<= ULTIMATE.start_main_~x~4 44)), 14315#(and (<= 45 ULTIMATE.start_main_~x~4) (<= ULTIMATE.start_main_~x~4 45)), 14316#(and (<= ULTIMATE.start_main_~x~4 46) (<= 46 ULTIMATE.start_main_~x~4)), 14317#(and (<= 47 ULTIMATE.start_main_~x~4) (<= ULTIMATE.start_main_~x~4 47)), 14318#(and (<= 48 ULTIMATE.start_main_~x~4) (<= ULTIMATE.start_main_~x~4 48)), 14319#(and (<= 49 ULTIMATE.start_main_~x~4) (<= ULTIMATE.start_main_~x~4 49)), 14320#(and (<= ULTIMATE.start_main_~x~4 50) (<= 50 ULTIMATE.start_main_~x~4)), 14321#(and (<= 51 ULTIMATE.start_main_~x~4) (<= ULTIMATE.start_main_~x~4 51)), 14322#(and (<= ULTIMATE.start_main_~x~4 52) (<= 52 ULTIMATE.start_main_~x~4)), 14323#(and (<= 53 ULTIMATE.start_main_~x~4) (<= ULTIMATE.start_main_~x~4 53))] [2018-07-23 13:50:03,432 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 13:50:03,433 INFO L450 AbstractCegarLoop]: Interpolant automaton has 56 states [2018-07-23 13:50:03,433 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 56 interpolants. [2018-07-23 13:50:03,434 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=109, Invalid=2971, Unknown=0, NotChecked=0, Total=3080 [2018-07-23 13:50:03,434 INFO L87 Difference]: Start difference. First operand 111 states and 111 transitions. Second operand 56 states. [2018-07-23 13:50:03,809 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-07-23 13:50:03,809 INFO L93 Difference]: Finished difference Result 115 states and 115 transitions. [2018-07-23 13:50:03,810 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 56 states. [2018-07-23 13:50:03,810 INFO L78 Accepts]: Start accepts. Automaton has 56 states. Word has length 110 [2018-07-23 13:50:03,810 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-07-23 13:50:03,811 INFO L225 Difference]: With dead ends: 115 [2018-07-23 13:50:03,811 INFO L226 Difference]: Without dead ends: 113 [2018-07-23 13:50:03,812 INFO L575 BasicCegarLoop]: 0 DeclaredPredicates, 55 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 54 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=109, Invalid=2971, Unknown=0, NotChecked=0, Total=3080 [2018-07-23 13:50:03,812 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 113 states. [2018-07-23 13:50:03,818 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 113 to 113. [2018-07-23 13:50:03,819 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 113 states. [2018-07-23 13:50:03,819 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 113 states to 113 states and 113 transitions. [2018-07-23 13:50:03,819 INFO L78 Accepts]: Start accepts. Automaton has 113 states and 113 transitions. Word has length 110 [2018-07-23 13:50:03,820 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-07-23 13:50:03,820 INFO L471 AbstractCegarLoop]: Abstraction has 113 states and 113 transitions. [2018-07-23 13:50:03,820 INFO L472 AbstractCegarLoop]: Interpolant automaton has 56 states. [2018-07-23 13:50:03,820 INFO L276 IsEmpty]: Start isEmpty. Operand 113 states and 113 transitions. [2018-07-23 13:50:03,821 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 113 [2018-07-23 13:50:03,821 INFO L349 BasicCegarLoop]: Found error trace [2018-07-23 13:50:03,821 INFO L357 BasicCegarLoop]: trace histogram [55, 54, 1, 1, 1] [2018-07-23 13:50:03,821 INFO L414 AbstractCegarLoop]: === Iteration 55 === [ULTIMATE.startErr0AssertViolationASSERT]=== [2018-07-23 13:50:03,821 INFO L82 PathProgramCache]: Analyzing trace with hash -1848336509, now seen corresponding path program 54 times [2018-07-23 13:50:03,822 INFO L69 tionRefinementEngine]: Using refinement strategy FixedRefinementStrategy [2018-07-23 13:50:03,854 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-07-23 13:50:04,153 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 13:50:04,154 INFO L309 seRefinementStrategy]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2018-07-23 13:50:04,154 INFO L324 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [56] total 56 [2018-07-23 13:50:04,154 INFO L142 lantAutomatonBuilder]: Constructing canonical interpolant automaton, with selfloop in false state [2018-07-23 13:50:04,155 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-07-23 13:50:04,155 INFO L185 omatonBuilderFactory]: Interpolants [14780#true, 14781#false, 14782#(and (<= ULTIMATE.start_main_~x~4 0) (<= 0 ULTIMATE.start_main_~x~4)), 14783#(and (<= ULTIMATE.start_main_~x~4 1) (<= 1 ULTIMATE.start_main_~x~4)), 14784#(and (<= 2 ULTIMATE.start_main_~x~4) (<= ULTIMATE.start_main_~x~4 2)), 14785#(and (<= 3 ULTIMATE.start_main_~x~4) (<= ULTIMATE.start_main_~x~4 3)), 14786#(and (<= ULTIMATE.start_main_~x~4 4) (<= 4 ULTIMATE.start_main_~x~4)), 14787#(and (<= ULTIMATE.start_main_~x~4 5) (<= 5 ULTIMATE.start_main_~x~4)), 14788#(and (<= 6 ULTIMATE.start_main_~x~4) (<= ULTIMATE.start_main_~x~4 6)), 14789#(and (<= ULTIMATE.start_main_~x~4 7) (<= 7 ULTIMATE.start_main_~x~4)), 14790#(and (<= ULTIMATE.start_main_~x~4 8) (<= 8 ULTIMATE.start_main_~x~4)), 14791#(and (<= 9 ULTIMATE.start_main_~x~4) (<= ULTIMATE.start_main_~x~4 9)), 14792#(and (<= ULTIMATE.start_main_~x~4 10) (<= 10 ULTIMATE.start_main_~x~4)), 14793#(and (<= ULTIMATE.start_main_~x~4 11) (<= 11 ULTIMATE.start_main_~x~4)), 14794#(and (<= 12 ULTIMATE.start_main_~x~4) (<= ULTIMATE.start_main_~x~4 12)), 14795#(and (<= ULTIMATE.start_main_~x~4 13) (<= 13 ULTIMATE.start_main_~x~4)), 14796#(and (<= 14 ULTIMATE.start_main_~x~4) (<= ULTIMATE.start_main_~x~4 14)), 14797#(and (<= 15 ULTIMATE.start_main_~x~4) (<= ULTIMATE.start_main_~x~4 15)), 14798#(and (<= ULTIMATE.start_main_~x~4 16) (<= 16 ULTIMATE.start_main_~x~4)), 14799#(and (<= ULTIMATE.start_main_~x~4 17) (<= 17 ULTIMATE.start_main_~x~4)), 14800#(and (<= 18 ULTIMATE.start_main_~x~4) (<= ULTIMATE.start_main_~x~4 18)), 14801#(and (<= 19 ULTIMATE.start_main_~x~4) (<= ULTIMATE.start_main_~x~4 19)), 14802#(and (<= 20 ULTIMATE.start_main_~x~4) (<= ULTIMATE.start_main_~x~4 20)), 14803#(and (<= ULTIMATE.start_main_~x~4 21) (<= 21 ULTIMATE.start_main_~x~4)), 14804#(and (<= ULTIMATE.start_main_~x~4 22) (<= 22 ULTIMATE.start_main_~x~4)), 14805#(and (<= ULTIMATE.start_main_~x~4 23) (<= 23 ULTIMATE.start_main_~x~4)), 14806#(and (<= ULTIMATE.start_main_~x~4 24) (<= 24 ULTIMATE.start_main_~x~4)), 14807#(and (<= ULTIMATE.start_main_~x~4 25) (<= 25 ULTIMATE.start_main_~x~4)), 14808#(and (<= ULTIMATE.start_main_~x~4 26) (<= 26 ULTIMATE.start_main_~x~4)), 14809#(and (<= ULTIMATE.start_main_~x~4 27) (<= 27 ULTIMATE.start_main_~x~4)), 14810#(and (<= ULTIMATE.start_main_~x~4 28) (<= 28 ULTIMATE.start_main_~x~4)), 14811#(and (<= 29 ULTIMATE.start_main_~x~4) (<= ULTIMATE.start_main_~x~4 29)), 14812#(and (<= ULTIMATE.start_main_~x~4 30) (<= 30 ULTIMATE.start_main_~x~4)), 14813#(and (<= ULTIMATE.start_main_~x~4 31) (<= 31 ULTIMATE.start_main_~x~4)), 14814#(and (<= ULTIMATE.start_main_~x~4 32) (<= 32 ULTIMATE.start_main_~x~4)), 14815#(and (<= ULTIMATE.start_main_~x~4 33) (<= 33 ULTIMATE.start_main_~x~4)), 14816#(and (<= 34 ULTIMATE.start_main_~x~4) (<= ULTIMATE.start_main_~x~4 34)), 14817#(and (<= ULTIMATE.start_main_~x~4 35) (<= 35 ULTIMATE.start_main_~x~4)), 14818#(and (<= 36 ULTIMATE.start_main_~x~4) (<= ULTIMATE.start_main_~x~4 36)), 14819#(and (<= ULTIMATE.start_main_~x~4 37) (<= 37 ULTIMATE.start_main_~x~4)), 14820#(and (<= 38 ULTIMATE.start_main_~x~4) (<= ULTIMATE.start_main_~x~4 38)), 14821#(and (<= ULTIMATE.start_main_~x~4 39) (<= 39 ULTIMATE.start_main_~x~4)), 14822#(and (<= ULTIMATE.start_main_~x~4 40) (<= 40 ULTIMATE.start_main_~x~4)), 14823#(and (<= ULTIMATE.start_main_~x~4 41) (<= 41 ULTIMATE.start_main_~x~4)), 14824#(and (<= ULTIMATE.start_main_~x~4 42) (<= 42 ULTIMATE.start_main_~x~4)), 14825#(and (<= ULTIMATE.start_main_~x~4 43) (<= 43 ULTIMATE.start_main_~x~4)), 14826#(and (<= 44 ULTIMATE.start_main_~x~4) (<= ULTIMATE.start_main_~x~4 44)), 14827#(and (<= 45 ULTIMATE.start_main_~x~4) (<= ULTIMATE.start_main_~x~4 45)), 14828#(and (<= ULTIMATE.start_main_~x~4 46) (<= 46 ULTIMATE.start_main_~x~4)), 14829#(and (<= 47 ULTIMATE.start_main_~x~4) (<= ULTIMATE.start_main_~x~4 47)), 14830#(and (<= 48 ULTIMATE.start_main_~x~4) (<= ULTIMATE.start_main_~x~4 48)), 14831#(and (<= 49 ULTIMATE.start_main_~x~4) (<= ULTIMATE.start_main_~x~4 49)), 14832#(and (<= ULTIMATE.start_main_~x~4 50) (<= 50 ULTIMATE.start_main_~x~4)), 14833#(and (<= 51 ULTIMATE.start_main_~x~4) (<= ULTIMATE.start_main_~x~4 51)), 14834#(and (<= ULTIMATE.start_main_~x~4 52) (<= 52 ULTIMATE.start_main_~x~4)), 14835#(and (<= 53 ULTIMATE.start_main_~x~4) (<= ULTIMATE.start_main_~x~4 53)), 14836#(and (<= ULTIMATE.start_main_~x~4 54) (<= 54 ULTIMATE.start_main_~x~4))] [2018-07-23 13:50:04,156 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 13:50:04,156 INFO L450 AbstractCegarLoop]: Interpolant automaton has 57 states [2018-07-23 13:50:04,157 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 57 interpolants. [2018-07-23 13:50:04,158 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=111, Invalid=3081, Unknown=0, NotChecked=0, Total=3192 [2018-07-23 13:50:04,158 INFO L87 Difference]: Start difference. First operand 113 states and 113 transitions. Second operand 57 states. [2018-07-23 13:50:04,546 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-07-23 13:50:04,547 INFO L93 Difference]: Finished difference Result 117 states and 117 transitions. [2018-07-23 13:50:04,547 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 57 states. [2018-07-23 13:50:04,547 INFO L78 Accepts]: Start accepts. Automaton has 57 states. Word has length 112 [2018-07-23 13:50:04,547 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-07-23 13:50:04,548 INFO L225 Difference]: With dead ends: 117 [2018-07-23 13:50:04,548 INFO L226 Difference]: Without dead ends: 115 [2018-07-23 13:50:04,550 INFO L575 BasicCegarLoop]: 0 DeclaredPredicates, 56 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 55 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=111, Invalid=3081, Unknown=0, NotChecked=0, Total=3192 [2018-07-23 13:50:04,550 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 115 states. [2018-07-23 13:50:04,556 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 115 to 115. [2018-07-23 13:50:04,556 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 115 states. [2018-07-23 13:50:04,557 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 115 states to 115 states and 115 transitions. [2018-07-23 13:50:04,557 INFO L78 Accepts]: Start accepts. Automaton has 115 states and 115 transitions. Word has length 112 [2018-07-23 13:50:04,557 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-07-23 13:50:04,557 INFO L471 AbstractCegarLoop]: Abstraction has 115 states and 115 transitions. [2018-07-23 13:50:04,558 INFO L472 AbstractCegarLoop]: Interpolant automaton has 57 states. [2018-07-23 13:50:04,558 INFO L276 IsEmpty]: Start isEmpty. Operand 115 states and 115 transitions. [2018-07-23 13:50:04,558 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 115 [2018-07-23 13:50:04,558 INFO L349 BasicCegarLoop]: Found error trace [2018-07-23 13:50:04,559 INFO L357 BasicCegarLoop]: trace histogram [56, 55, 1, 1, 1] [2018-07-23 13:50:04,559 INFO L414 AbstractCegarLoop]: === Iteration 56 === [ULTIMATE.startErr0AssertViolationASSERT]=== [2018-07-23 13:50:04,559 INFO L82 PathProgramCache]: Analyzing trace with hash 1865127485, now seen corresponding path program 55 times [2018-07-23 13:50:04,559 INFO L69 tionRefinementEngine]: Using refinement strategy FixedRefinementStrategy [2018-07-23 13:50:04,594 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-07-23 13:50:04,895 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 13:50:04,896 INFO L309 seRefinementStrategy]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2018-07-23 13:50:04,896 INFO L324 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [57] total 57 [2018-07-23 13:50:04,896 INFO L142 lantAutomatonBuilder]: Constructing canonical interpolant automaton, with selfloop in false state [2018-07-23 13:50:04,896 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-07-23 13:50:04,897 INFO L185 omatonBuilderFactory]: Interpolants [15301#true, 15302#false, 15303#(and (<= ULTIMATE.start_main_~x~4 0) (<= 0 ULTIMATE.start_main_~x~4)), 15304#(and (<= ULTIMATE.start_main_~x~4 1) (<= 1 ULTIMATE.start_main_~x~4)), 15305#(and (<= 2 ULTIMATE.start_main_~x~4) (<= ULTIMATE.start_main_~x~4 2)), 15306#(and (<= 3 ULTIMATE.start_main_~x~4) (<= ULTIMATE.start_main_~x~4 3)), 15307#(and (<= ULTIMATE.start_main_~x~4 4) (<= 4 ULTIMATE.start_main_~x~4)), 15308#(and (<= ULTIMATE.start_main_~x~4 5) (<= 5 ULTIMATE.start_main_~x~4)), 15309#(and (<= 6 ULTIMATE.start_main_~x~4) (<= ULTIMATE.start_main_~x~4 6)), 15310#(and (<= ULTIMATE.start_main_~x~4 7) (<= 7 ULTIMATE.start_main_~x~4)), 15311#(and (<= ULTIMATE.start_main_~x~4 8) (<= 8 ULTIMATE.start_main_~x~4)), 15312#(and (<= 9 ULTIMATE.start_main_~x~4) (<= ULTIMATE.start_main_~x~4 9)), 15313#(and (<= ULTIMATE.start_main_~x~4 10) (<= 10 ULTIMATE.start_main_~x~4)), 15314#(and (<= ULTIMATE.start_main_~x~4 11) (<= 11 ULTIMATE.start_main_~x~4)), 15315#(and (<= 12 ULTIMATE.start_main_~x~4) (<= ULTIMATE.start_main_~x~4 12)), 15316#(and (<= ULTIMATE.start_main_~x~4 13) (<= 13 ULTIMATE.start_main_~x~4)), 15317#(and (<= 14 ULTIMATE.start_main_~x~4) (<= ULTIMATE.start_main_~x~4 14)), 15318#(and (<= 15 ULTIMATE.start_main_~x~4) (<= ULTIMATE.start_main_~x~4 15)), 15319#(and (<= ULTIMATE.start_main_~x~4 16) (<= 16 ULTIMATE.start_main_~x~4)), 15320#(and (<= ULTIMATE.start_main_~x~4 17) (<= 17 ULTIMATE.start_main_~x~4)), 15321#(and (<= 18 ULTIMATE.start_main_~x~4) (<= ULTIMATE.start_main_~x~4 18)), 15322#(and (<= 19 ULTIMATE.start_main_~x~4) (<= ULTIMATE.start_main_~x~4 19)), 15323#(and (<= 20 ULTIMATE.start_main_~x~4) (<= ULTIMATE.start_main_~x~4 20)), 15324#(and (<= ULTIMATE.start_main_~x~4 21) (<= 21 ULTIMATE.start_main_~x~4)), 15325#(and (<= ULTIMATE.start_main_~x~4 22) (<= 22 ULTIMATE.start_main_~x~4)), 15326#(and (<= ULTIMATE.start_main_~x~4 23) (<= 23 ULTIMATE.start_main_~x~4)), 15327#(and (<= ULTIMATE.start_main_~x~4 24) (<= 24 ULTIMATE.start_main_~x~4)), 15328#(and (<= ULTIMATE.start_main_~x~4 25) (<= 25 ULTIMATE.start_main_~x~4)), 15329#(and (<= ULTIMATE.start_main_~x~4 26) (<= 26 ULTIMATE.start_main_~x~4)), 15330#(and (<= ULTIMATE.start_main_~x~4 27) (<= 27 ULTIMATE.start_main_~x~4)), 15331#(and (<= ULTIMATE.start_main_~x~4 28) (<= 28 ULTIMATE.start_main_~x~4)), 15332#(and (<= 29 ULTIMATE.start_main_~x~4) (<= ULTIMATE.start_main_~x~4 29)), 15333#(and (<= ULTIMATE.start_main_~x~4 30) (<= 30 ULTIMATE.start_main_~x~4)), 15334#(and (<= ULTIMATE.start_main_~x~4 31) (<= 31 ULTIMATE.start_main_~x~4)), 15335#(and (<= ULTIMATE.start_main_~x~4 32) (<= 32 ULTIMATE.start_main_~x~4)), 15336#(and (<= ULTIMATE.start_main_~x~4 33) (<= 33 ULTIMATE.start_main_~x~4)), 15337#(and (<= 34 ULTIMATE.start_main_~x~4) (<= ULTIMATE.start_main_~x~4 34)), 15338#(and (<= ULTIMATE.start_main_~x~4 35) (<= 35 ULTIMATE.start_main_~x~4)), 15339#(and (<= 36 ULTIMATE.start_main_~x~4) (<= ULTIMATE.start_main_~x~4 36)), 15340#(and (<= ULTIMATE.start_main_~x~4 37) (<= 37 ULTIMATE.start_main_~x~4)), 15341#(and (<= 38 ULTIMATE.start_main_~x~4) (<= ULTIMATE.start_main_~x~4 38)), 15342#(and (<= ULTIMATE.start_main_~x~4 39) (<= 39 ULTIMATE.start_main_~x~4)), 15343#(and (<= ULTIMATE.start_main_~x~4 40) (<= 40 ULTIMATE.start_main_~x~4)), 15344#(and (<= ULTIMATE.start_main_~x~4 41) (<= 41 ULTIMATE.start_main_~x~4)), 15345#(and (<= ULTIMATE.start_main_~x~4 42) (<= 42 ULTIMATE.start_main_~x~4)), 15346#(and (<= ULTIMATE.start_main_~x~4 43) (<= 43 ULTIMATE.start_main_~x~4)), 15347#(and (<= 44 ULTIMATE.start_main_~x~4) (<= ULTIMATE.start_main_~x~4 44)), 15348#(and (<= 45 ULTIMATE.start_main_~x~4) (<= ULTIMATE.start_main_~x~4 45)), 15349#(and (<= ULTIMATE.start_main_~x~4 46) (<= 46 ULTIMATE.start_main_~x~4)), 15350#(and (<= 47 ULTIMATE.start_main_~x~4) (<= ULTIMATE.start_main_~x~4 47)), 15351#(and (<= 48 ULTIMATE.start_main_~x~4) (<= ULTIMATE.start_main_~x~4 48)), 15352#(and (<= 49 ULTIMATE.start_main_~x~4) (<= ULTIMATE.start_main_~x~4 49)), 15353#(and (<= ULTIMATE.start_main_~x~4 50) (<= 50 ULTIMATE.start_main_~x~4)), 15354#(and (<= 51 ULTIMATE.start_main_~x~4) (<= ULTIMATE.start_main_~x~4 51)), 15355#(and (<= ULTIMATE.start_main_~x~4 52) (<= 52 ULTIMATE.start_main_~x~4)), 15356#(and (<= 53 ULTIMATE.start_main_~x~4) (<= ULTIMATE.start_main_~x~4 53)), 15357#(and (<= ULTIMATE.start_main_~x~4 54) (<= 54 ULTIMATE.start_main_~x~4)), 15358#(and (<= 55 ULTIMATE.start_main_~x~4) (<= ULTIMATE.start_main_~x~4 55))] [2018-07-23 13:50:04,898 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 13:50:04,898 INFO L450 AbstractCegarLoop]: Interpolant automaton has 58 states [2018-07-23 13:50:04,898 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 58 interpolants. [2018-07-23 13:50:04,899 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=113, Invalid=3193, Unknown=0, NotChecked=0, Total=3306 [2018-07-23 13:50:04,899 INFO L87 Difference]: Start difference. First operand 115 states and 115 transitions. Second operand 58 states. [2018-07-23 13:50:05,288 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-07-23 13:50:05,288 INFO L93 Difference]: Finished difference Result 119 states and 119 transitions. [2018-07-23 13:50:05,288 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 58 states. [2018-07-23 13:50:05,288 INFO L78 Accepts]: Start accepts. Automaton has 58 states. Word has length 114 [2018-07-23 13:50:05,289 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-07-23 13:50:05,289 INFO L225 Difference]: With dead ends: 119 [2018-07-23 13:50:05,290 INFO L226 Difference]: Without dead ends: 117 [2018-07-23 13:50:05,290 INFO L575 BasicCegarLoop]: 0 DeclaredPredicates, 57 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 56 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=113, Invalid=3193, Unknown=0, NotChecked=0, Total=3306 [2018-07-23 13:50:05,291 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 117 states. [2018-07-23 13:50:05,298 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 117 to 117. [2018-07-23 13:50:05,298 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 117 states. [2018-07-23 13:50:05,298 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 117 states to 117 states and 117 transitions. [2018-07-23 13:50:05,299 INFO L78 Accepts]: Start accepts. Automaton has 117 states and 117 transitions. Word has length 114 [2018-07-23 13:50:05,299 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-07-23 13:50:05,299 INFO L471 AbstractCegarLoop]: Abstraction has 117 states and 117 transitions. [2018-07-23 13:50:05,299 INFO L472 AbstractCegarLoop]: Interpolant automaton has 58 states. [2018-07-23 13:50:05,299 INFO L276 IsEmpty]: Start isEmpty. Operand 117 states and 117 transitions. [2018-07-23 13:50:05,300 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 117 [2018-07-23 13:50:05,300 INFO L349 BasicCegarLoop]: Found error trace [2018-07-23 13:50:05,300 INFO L357 BasicCegarLoop]: trace histogram [57, 56, 1, 1, 1] [2018-07-23 13:50:05,301 INFO L414 AbstractCegarLoop]: === Iteration 57 === [ULTIMATE.startErr0AssertViolationASSERT]=== [2018-07-23 13:50:05,301 INFO L82 PathProgramCache]: Analyzing trace with hash 1386202743, now seen corresponding path program 56 times [2018-07-23 13:50:05,301 INFO L69 tionRefinementEngine]: Using refinement strategy FixedRefinementStrategy [2018-07-23 13:50:05,337 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-07-23 13:50:05,690 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 13:50:05,690 INFO L309 seRefinementStrategy]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2018-07-23 13:50:05,691 INFO L324 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [58] total 58 [2018-07-23 13:50:05,691 INFO L142 lantAutomatonBuilder]: Constructing canonical interpolant automaton, with selfloop in false state [2018-07-23 13:50:05,691 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-07-23 13:50:05,692 INFO L185 omatonBuilderFactory]: Interpolants [15872#(and (<= ULTIMATE.start_main_~x~4 39) (<= 39 ULTIMATE.start_main_~x~4)), 15873#(and (<= ULTIMATE.start_main_~x~4 40) (<= 40 ULTIMATE.start_main_~x~4)), 15874#(and (<= ULTIMATE.start_main_~x~4 41) (<= 41 ULTIMATE.start_main_~x~4)), 15875#(and (<= ULTIMATE.start_main_~x~4 42) (<= 42 ULTIMATE.start_main_~x~4)), 15876#(and (<= ULTIMATE.start_main_~x~4 43) (<= 43 ULTIMATE.start_main_~x~4)), 15877#(and (<= 44 ULTIMATE.start_main_~x~4) (<= ULTIMATE.start_main_~x~4 44)), 15878#(and (<= 45 ULTIMATE.start_main_~x~4) (<= ULTIMATE.start_main_~x~4 45)), 15879#(and (<= ULTIMATE.start_main_~x~4 46) (<= 46 ULTIMATE.start_main_~x~4)), 15880#(and (<= 47 ULTIMATE.start_main_~x~4) (<= ULTIMATE.start_main_~x~4 47)), 15881#(and (<= 48 ULTIMATE.start_main_~x~4) (<= ULTIMATE.start_main_~x~4 48)), 15882#(and (<= 49 ULTIMATE.start_main_~x~4) (<= ULTIMATE.start_main_~x~4 49)), 15883#(and (<= ULTIMATE.start_main_~x~4 50) (<= 50 ULTIMATE.start_main_~x~4)), 15884#(and (<= 51 ULTIMATE.start_main_~x~4) (<= ULTIMATE.start_main_~x~4 51)), 15885#(and (<= ULTIMATE.start_main_~x~4 52) (<= 52 ULTIMATE.start_main_~x~4)), 15886#(and (<= 53 ULTIMATE.start_main_~x~4) (<= ULTIMATE.start_main_~x~4 53)), 15887#(and (<= ULTIMATE.start_main_~x~4 54) (<= 54 ULTIMATE.start_main_~x~4)), 15888#(and (<= 55 ULTIMATE.start_main_~x~4) (<= ULTIMATE.start_main_~x~4 55)), 15889#(and (<= 56 ULTIMATE.start_main_~x~4) (<= ULTIMATE.start_main_~x~4 56)), 15831#true, 15832#false, 15833#(and (<= ULTIMATE.start_main_~x~4 0) (<= 0 ULTIMATE.start_main_~x~4)), 15834#(and (<= ULTIMATE.start_main_~x~4 1) (<= 1 ULTIMATE.start_main_~x~4)), 15835#(and (<= 2 ULTIMATE.start_main_~x~4) (<= ULTIMATE.start_main_~x~4 2)), 15836#(and (<= 3 ULTIMATE.start_main_~x~4) (<= ULTIMATE.start_main_~x~4 3)), 15837#(and (<= ULTIMATE.start_main_~x~4 4) (<= 4 ULTIMATE.start_main_~x~4)), 15838#(and (<= ULTIMATE.start_main_~x~4 5) (<= 5 ULTIMATE.start_main_~x~4)), 15839#(and (<= 6 ULTIMATE.start_main_~x~4) (<= ULTIMATE.start_main_~x~4 6)), 15840#(and (<= ULTIMATE.start_main_~x~4 7) (<= 7 ULTIMATE.start_main_~x~4)), 15841#(and (<= ULTIMATE.start_main_~x~4 8) (<= 8 ULTIMATE.start_main_~x~4)), 15842#(and (<= 9 ULTIMATE.start_main_~x~4) (<= ULTIMATE.start_main_~x~4 9)), 15843#(and (<= ULTIMATE.start_main_~x~4 10) (<= 10 ULTIMATE.start_main_~x~4)), 15844#(and (<= ULTIMATE.start_main_~x~4 11) (<= 11 ULTIMATE.start_main_~x~4)), 15845#(and (<= 12 ULTIMATE.start_main_~x~4) (<= ULTIMATE.start_main_~x~4 12)), 15846#(and (<= ULTIMATE.start_main_~x~4 13) (<= 13 ULTIMATE.start_main_~x~4)), 15847#(and (<= 14 ULTIMATE.start_main_~x~4) (<= ULTIMATE.start_main_~x~4 14)), 15848#(and (<= 15 ULTIMATE.start_main_~x~4) (<= ULTIMATE.start_main_~x~4 15)), 15849#(and (<= ULTIMATE.start_main_~x~4 16) (<= 16 ULTIMATE.start_main_~x~4)), 15850#(and (<= ULTIMATE.start_main_~x~4 17) (<= 17 ULTIMATE.start_main_~x~4)), 15851#(and (<= 18 ULTIMATE.start_main_~x~4) (<= ULTIMATE.start_main_~x~4 18)), 15852#(and (<= 19 ULTIMATE.start_main_~x~4) (<= ULTIMATE.start_main_~x~4 19)), 15853#(and (<= 20 ULTIMATE.start_main_~x~4) (<= ULTIMATE.start_main_~x~4 20)), 15854#(and (<= ULTIMATE.start_main_~x~4 21) (<= 21 ULTIMATE.start_main_~x~4)), 15855#(and (<= ULTIMATE.start_main_~x~4 22) (<= 22 ULTIMATE.start_main_~x~4)), 15856#(and (<= ULTIMATE.start_main_~x~4 23) (<= 23 ULTIMATE.start_main_~x~4)), 15857#(and (<= ULTIMATE.start_main_~x~4 24) (<= 24 ULTIMATE.start_main_~x~4)), 15858#(and (<= ULTIMATE.start_main_~x~4 25) (<= 25 ULTIMATE.start_main_~x~4)), 15859#(and (<= ULTIMATE.start_main_~x~4 26) (<= 26 ULTIMATE.start_main_~x~4)), 15860#(and (<= ULTIMATE.start_main_~x~4 27) (<= 27 ULTIMATE.start_main_~x~4)), 15861#(and (<= ULTIMATE.start_main_~x~4 28) (<= 28 ULTIMATE.start_main_~x~4)), 15862#(and (<= 29 ULTIMATE.start_main_~x~4) (<= ULTIMATE.start_main_~x~4 29)), 15863#(and (<= ULTIMATE.start_main_~x~4 30) (<= 30 ULTIMATE.start_main_~x~4)), 15864#(and (<= ULTIMATE.start_main_~x~4 31) (<= 31 ULTIMATE.start_main_~x~4)), 15865#(and (<= ULTIMATE.start_main_~x~4 32) (<= 32 ULTIMATE.start_main_~x~4)), 15866#(and (<= ULTIMATE.start_main_~x~4 33) (<= 33 ULTIMATE.start_main_~x~4)), 15867#(and (<= 34 ULTIMATE.start_main_~x~4) (<= ULTIMATE.start_main_~x~4 34)), 15868#(and (<= ULTIMATE.start_main_~x~4 35) (<= 35 ULTIMATE.start_main_~x~4)), 15869#(and (<= 36 ULTIMATE.start_main_~x~4) (<= ULTIMATE.start_main_~x~4 36)), 15870#(and (<= ULTIMATE.start_main_~x~4 37) (<= 37 ULTIMATE.start_main_~x~4)), 15871#(and (<= 38 ULTIMATE.start_main_~x~4) (<= ULTIMATE.start_main_~x~4 38))] [2018-07-23 13:50:05,692 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 13:50:05,693 INFO L450 AbstractCegarLoop]: Interpolant automaton has 59 states [2018-07-23 13:50:05,693 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 59 interpolants. [2018-07-23 13:50:05,693 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=115, Invalid=3307, Unknown=0, NotChecked=0, Total=3422 [2018-07-23 13:50:05,694 INFO L87 Difference]: Start difference. First operand 117 states and 117 transitions. Second operand 59 states. [2018-07-23 13:50:06,090 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-07-23 13:50:06,090 INFO L93 Difference]: Finished difference Result 121 states and 121 transitions. [2018-07-23 13:50:06,090 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 59 states. [2018-07-23 13:50:06,090 INFO L78 Accepts]: Start accepts. Automaton has 59 states. Word has length 116 [2018-07-23 13:50:06,091 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-07-23 13:50:06,091 INFO L225 Difference]: With dead ends: 121 [2018-07-23 13:50:06,092 INFO L226 Difference]: Without dead ends: 119 [2018-07-23 13:50:06,092 INFO L575 BasicCegarLoop]: 0 DeclaredPredicates, 58 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 57 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=115, Invalid=3307, Unknown=0, NotChecked=0, Total=3422 [2018-07-23 13:50:06,093 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 119 states. [2018-07-23 13:50:06,100 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 119 to 119. [2018-07-23 13:50:06,100 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 119 states. [2018-07-23 13:50:06,100 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 119 states to 119 states and 119 transitions. [2018-07-23 13:50:06,100 INFO L78 Accepts]: Start accepts. Automaton has 119 states and 119 transitions. Word has length 116 [2018-07-23 13:50:06,101 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-07-23 13:50:06,101 INFO L471 AbstractCegarLoop]: Abstraction has 119 states and 119 transitions. [2018-07-23 13:50:06,101 INFO L472 AbstractCegarLoop]: Interpolant automaton has 59 states. [2018-07-23 13:50:06,101 INFO L276 IsEmpty]: Start isEmpty. Operand 119 states and 119 transitions. [2018-07-23 13:50:06,102 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 119 [2018-07-23 13:50:06,102 INFO L349 BasicCegarLoop]: Found error trace [2018-07-23 13:50:06,102 INFO L357 BasicCegarLoop]: trace histogram [58, 57, 1, 1, 1] [2018-07-23 13:50:06,102 INFO L414 AbstractCegarLoop]: === Iteration 58 === [ULTIMATE.startErr0AssertViolationASSERT]=== [2018-07-23 13:50:06,102 INFO L82 PathProgramCache]: Analyzing trace with hash 701026353, now seen corresponding path program 57 times [2018-07-23 13:50:06,103 INFO L69 tionRefinementEngine]: Using refinement strategy FixedRefinementStrategy [2018-07-23 13:50:06,143 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-07-23 13:50:06,466 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 13:50:06,467 INFO L309 seRefinementStrategy]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2018-07-23 13:50:06,467 INFO L324 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [59] total 59 [2018-07-23 13:50:06,467 INFO L142 lantAutomatonBuilder]: Constructing canonical interpolant automaton, with selfloop in false state [2018-07-23 13:50:06,468 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-07-23 13:50:06,468 INFO L185 omatonBuilderFactory]: Interpolants [16384#(and (<= 12 ULTIMATE.start_main_~x~4) (<= ULTIMATE.start_main_~x~4 12)), 16385#(and (<= ULTIMATE.start_main_~x~4 13) (<= 13 ULTIMATE.start_main_~x~4)), 16386#(and (<= 14 ULTIMATE.start_main_~x~4) (<= ULTIMATE.start_main_~x~4 14)), 16387#(and (<= 15 ULTIMATE.start_main_~x~4) (<= ULTIMATE.start_main_~x~4 15)), 16388#(and (<= ULTIMATE.start_main_~x~4 16) (<= 16 ULTIMATE.start_main_~x~4)), 16389#(and (<= ULTIMATE.start_main_~x~4 17) (<= 17 ULTIMATE.start_main_~x~4)), 16390#(and (<= 18 ULTIMATE.start_main_~x~4) (<= ULTIMATE.start_main_~x~4 18)), 16391#(and (<= 19 ULTIMATE.start_main_~x~4) (<= ULTIMATE.start_main_~x~4 19)), 16392#(and (<= 20 ULTIMATE.start_main_~x~4) (<= ULTIMATE.start_main_~x~4 20)), 16393#(and (<= ULTIMATE.start_main_~x~4 21) (<= 21 ULTIMATE.start_main_~x~4)), 16394#(and (<= ULTIMATE.start_main_~x~4 22) (<= 22 ULTIMATE.start_main_~x~4)), 16395#(and (<= ULTIMATE.start_main_~x~4 23) (<= 23 ULTIMATE.start_main_~x~4)), 16396#(and (<= ULTIMATE.start_main_~x~4 24) (<= 24 ULTIMATE.start_main_~x~4)), 16397#(and (<= ULTIMATE.start_main_~x~4 25) (<= 25 ULTIMATE.start_main_~x~4)), 16398#(and (<= ULTIMATE.start_main_~x~4 26) (<= 26 ULTIMATE.start_main_~x~4)), 16399#(and (<= ULTIMATE.start_main_~x~4 27) (<= 27 ULTIMATE.start_main_~x~4)), 16400#(and (<= ULTIMATE.start_main_~x~4 28) (<= 28 ULTIMATE.start_main_~x~4)), 16401#(and (<= 29 ULTIMATE.start_main_~x~4) (<= ULTIMATE.start_main_~x~4 29)), 16402#(and (<= ULTIMATE.start_main_~x~4 30) (<= 30 ULTIMATE.start_main_~x~4)), 16403#(and (<= ULTIMATE.start_main_~x~4 31) (<= 31 ULTIMATE.start_main_~x~4)), 16404#(and (<= ULTIMATE.start_main_~x~4 32) (<= 32 ULTIMATE.start_main_~x~4)), 16405#(and (<= ULTIMATE.start_main_~x~4 33) (<= 33 ULTIMATE.start_main_~x~4)), 16406#(and (<= 34 ULTIMATE.start_main_~x~4) (<= ULTIMATE.start_main_~x~4 34)), 16407#(and (<= ULTIMATE.start_main_~x~4 35) (<= 35 ULTIMATE.start_main_~x~4)), 16408#(and (<= 36 ULTIMATE.start_main_~x~4) (<= ULTIMATE.start_main_~x~4 36)), 16409#(and (<= ULTIMATE.start_main_~x~4 37) (<= 37 ULTIMATE.start_main_~x~4)), 16410#(and (<= 38 ULTIMATE.start_main_~x~4) (<= ULTIMATE.start_main_~x~4 38)), 16411#(and (<= ULTIMATE.start_main_~x~4 39) (<= 39 ULTIMATE.start_main_~x~4)), 16412#(and (<= ULTIMATE.start_main_~x~4 40) (<= 40 ULTIMATE.start_main_~x~4)), 16413#(and (<= ULTIMATE.start_main_~x~4 41) (<= 41 ULTIMATE.start_main_~x~4)), 16414#(and (<= ULTIMATE.start_main_~x~4 42) (<= 42 ULTIMATE.start_main_~x~4)), 16415#(and (<= ULTIMATE.start_main_~x~4 43) (<= 43 ULTIMATE.start_main_~x~4)), 16416#(and (<= 44 ULTIMATE.start_main_~x~4) (<= ULTIMATE.start_main_~x~4 44)), 16417#(and (<= 45 ULTIMATE.start_main_~x~4) (<= ULTIMATE.start_main_~x~4 45)), 16418#(and (<= ULTIMATE.start_main_~x~4 46) (<= 46 ULTIMATE.start_main_~x~4)), 16419#(and (<= 47 ULTIMATE.start_main_~x~4) (<= ULTIMATE.start_main_~x~4 47)), 16420#(and (<= 48 ULTIMATE.start_main_~x~4) (<= ULTIMATE.start_main_~x~4 48)), 16421#(and (<= 49 ULTIMATE.start_main_~x~4) (<= ULTIMATE.start_main_~x~4 49)), 16422#(and (<= ULTIMATE.start_main_~x~4 50) (<= 50 ULTIMATE.start_main_~x~4)), 16423#(and (<= 51 ULTIMATE.start_main_~x~4) (<= ULTIMATE.start_main_~x~4 51)), 16424#(and (<= ULTIMATE.start_main_~x~4 52) (<= 52 ULTIMATE.start_main_~x~4)), 16425#(and (<= 53 ULTIMATE.start_main_~x~4) (<= ULTIMATE.start_main_~x~4 53)), 16426#(and (<= ULTIMATE.start_main_~x~4 54) (<= 54 ULTIMATE.start_main_~x~4)), 16427#(and (<= 55 ULTIMATE.start_main_~x~4) (<= ULTIMATE.start_main_~x~4 55)), 16428#(and (<= 56 ULTIMATE.start_main_~x~4) (<= ULTIMATE.start_main_~x~4 56)), 16429#(and (<= 57 ULTIMATE.start_main_~x~4) (<= ULTIMATE.start_main_~x~4 57)), 16370#true, 16371#false, 16372#(and (<= ULTIMATE.start_main_~x~4 0) (<= 0 ULTIMATE.start_main_~x~4)), 16373#(and (<= ULTIMATE.start_main_~x~4 1) (<= 1 ULTIMATE.start_main_~x~4)), 16374#(and (<= 2 ULTIMATE.start_main_~x~4) (<= ULTIMATE.start_main_~x~4 2)), 16375#(and (<= 3 ULTIMATE.start_main_~x~4) (<= ULTIMATE.start_main_~x~4 3)), 16376#(and (<= ULTIMATE.start_main_~x~4 4) (<= 4 ULTIMATE.start_main_~x~4)), 16377#(and (<= ULTIMATE.start_main_~x~4 5) (<= 5 ULTIMATE.start_main_~x~4)), 16378#(and (<= 6 ULTIMATE.start_main_~x~4) (<= ULTIMATE.start_main_~x~4 6)), 16379#(and (<= ULTIMATE.start_main_~x~4 7) (<= 7 ULTIMATE.start_main_~x~4)), 16380#(and (<= ULTIMATE.start_main_~x~4 8) (<= 8 ULTIMATE.start_main_~x~4)), 16381#(and (<= 9 ULTIMATE.start_main_~x~4) (<= ULTIMATE.start_main_~x~4 9)), 16382#(and (<= ULTIMATE.start_main_~x~4 10) (<= 10 ULTIMATE.start_main_~x~4)), 16383#(and (<= ULTIMATE.start_main_~x~4 11) (<= 11 ULTIMATE.start_main_~x~4))] [2018-07-23 13:50:06,469 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 13:50:06,469 INFO L450 AbstractCegarLoop]: Interpolant automaton has 60 states [2018-07-23 13:50:06,469 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 60 interpolants. [2018-07-23 13:50:06,470 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=117, Invalid=3423, Unknown=0, NotChecked=0, Total=3540 [2018-07-23 13:50:06,470 INFO L87 Difference]: Start difference. First operand 119 states and 119 transitions. Second operand 60 states. [2018-07-23 13:50:06,856 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-07-23 13:50:06,857 INFO L93 Difference]: Finished difference Result 123 states and 123 transitions. [2018-07-23 13:50:06,857 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 60 states. [2018-07-23 13:50:06,857 INFO L78 Accepts]: Start accepts. Automaton has 60 states. Word has length 118 [2018-07-23 13:50:06,857 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-07-23 13:50:06,858 INFO L225 Difference]: With dead ends: 123 [2018-07-23 13:50:06,858 INFO L226 Difference]: Without dead ends: 121 [2018-07-23 13:50:06,859 INFO L575 BasicCegarLoop]: 0 DeclaredPredicates, 59 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 58 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=117, Invalid=3423, Unknown=0, NotChecked=0, Total=3540 [2018-07-23 13:50:06,859 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 121 states. [2018-07-23 13:50:06,868 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 121 to 121. [2018-07-23 13:50:06,868 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 121 states. [2018-07-23 13:50:06,870 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 121 states to 121 states and 121 transitions. [2018-07-23 13:50:06,870 INFO L78 Accepts]: Start accepts. Automaton has 121 states and 121 transitions. Word has length 118 [2018-07-23 13:50:06,871 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-07-23 13:50:06,871 INFO L471 AbstractCegarLoop]: Abstraction has 121 states and 121 transitions. [2018-07-23 13:50:06,871 INFO L472 AbstractCegarLoop]: Interpolant automaton has 60 states. [2018-07-23 13:50:06,871 INFO L276 IsEmpty]: Start isEmpty. Operand 121 states and 121 transitions. [2018-07-23 13:50:06,872 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 121 [2018-07-23 13:50:06,872 INFO L349 BasicCegarLoop]: Found error trace [2018-07-23 13:50:06,872 INFO L357 BasicCegarLoop]: trace histogram [59, 58, 1, 1, 1] [2018-07-23 13:50:06,872 INFO L414 AbstractCegarLoop]: === Iteration 59 === [ULTIMATE.startErr0AssertViolationASSERT]=== [2018-07-23 13:50:06,872 INFO L82 PathProgramCache]: Analyzing trace with hash -623488149, now seen corresponding path program 58 times [2018-07-23 13:50:06,872 INFO L69 tionRefinementEngine]: Using refinement strategy FixedRefinementStrategy [2018-07-23 13:50:06,911 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-07-23 13:50:07,236 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 13:50:07,237 INFO L309 seRefinementStrategy]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2018-07-23 13:50:07,237 INFO L324 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [60] total 60 [2018-07-23 13:50:07,237 INFO L142 lantAutomatonBuilder]: Constructing canonical interpolant automaton, with selfloop in false state [2018-07-23 13:50:07,238 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-07-23 13:50:07,238 INFO L185 omatonBuilderFactory]: Interpolants [16918#true, 16919#false, 16920#(and (<= ULTIMATE.start_main_~x~4 0) (<= 0 ULTIMATE.start_main_~x~4)), 16921#(and (<= ULTIMATE.start_main_~x~4 1) (<= 1 ULTIMATE.start_main_~x~4)), 16922#(and (<= 2 ULTIMATE.start_main_~x~4) (<= ULTIMATE.start_main_~x~4 2)), 16923#(and (<= 3 ULTIMATE.start_main_~x~4) (<= ULTIMATE.start_main_~x~4 3)), 16924#(and (<= ULTIMATE.start_main_~x~4 4) (<= 4 ULTIMATE.start_main_~x~4)), 16925#(and (<= ULTIMATE.start_main_~x~4 5) (<= 5 ULTIMATE.start_main_~x~4)), 16926#(and (<= 6 ULTIMATE.start_main_~x~4) (<= ULTIMATE.start_main_~x~4 6)), 16927#(and (<= ULTIMATE.start_main_~x~4 7) (<= 7 ULTIMATE.start_main_~x~4)), 16928#(and (<= ULTIMATE.start_main_~x~4 8) (<= 8 ULTIMATE.start_main_~x~4)), 16929#(and (<= 9 ULTIMATE.start_main_~x~4) (<= ULTIMATE.start_main_~x~4 9)), 16930#(and (<= ULTIMATE.start_main_~x~4 10) (<= 10 ULTIMATE.start_main_~x~4)), 16931#(and (<= ULTIMATE.start_main_~x~4 11) (<= 11 ULTIMATE.start_main_~x~4)), 16932#(and (<= 12 ULTIMATE.start_main_~x~4) (<= ULTIMATE.start_main_~x~4 12)), 16933#(and (<= ULTIMATE.start_main_~x~4 13) (<= 13 ULTIMATE.start_main_~x~4)), 16934#(and (<= 14 ULTIMATE.start_main_~x~4) (<= ULTIMATE.start_main_~x~4 14)), 16935#(and (<= 15 ULTIMATE.start_main_~x~4) (<= ULTIMATE.start_main_~x~4 15)), 16936#(and (<= ULTIMATE.start_main_~x~4 16) (<= 16 ULTIMATE.start_main_~x~4)), 16937#(and (<= ULTIMATE.start_main_~x~4 17) (<= 17 ULTIMATE.start_main_~x~4)), 16938#(and (<= 18 ULTIMATE.start_main_~x~4) (<= ULTIMATE.start_main_~x~4 18)), 16939#(and (<= 19 ULTIMATE.start_main_~x~4) (<= ULTIMATE.start_main_~x~4 19)), 16940#(and (<= 20 ULTIMATE.start_main_~x~4) (<= ULTIMATE.start_main_~x~4 20)), 16941#(and (<= ULTIMATE.start_main_~x~4 21) (<= 21 ULTIMATE.start_main_~x~4)), 16942#(and (<= ULTIMATE.start_main_~x~4 22) (<= 22 ULTIMATE.start_main_~x~4)), 16943#(and (<= ULTIMATE.start_main_~x~4 23) (<= 23 ULTIMATE.start_main_~x~4)), 16944#(and (<= ULTIMATE.start_main_~x~4 24) (<= 24 ULTIMATE.start_main_~x~4)), 16945#(and (<= ULTIMATE.start_main_~x~4 25) (<= 25 ULTIMATE.start_main_~x~4)), 16946#(and (<= ULTIMATE.start_main_~x~4 26) (<= 26 ULTIMATE.start_main_~x~4)), 16947#(and (<= ULTIMATE.start_main_~x~4 27) (<= 27 ULTIMATE.start_main_~x~4)), 16948#(and (<= ULTIMATE.start_main_~x~4 28) (<= 28 ULTIMATE.start_main_~x~4)), 16949#(and (<= 29 ULTIMATE.start_main_~x~4) (<= ULTIMATE.start_main_~x~4 29)), 16950#(and (<= ULTIMATE.start_main_~x~4 30) (<= 30 ULTIMATE.start_main_~x~4)), 16951#(and (<= ULTIMATE.start_main_~x~4 31) (<= 31 ULTIMATE.start_main_~x~4)), 16952#(and (<= ULTIMATE.start_main_~x~4 32) (<= 32 ULTIMATE.start_main_~x~4)), 16953#(and (<= ULTIMATE.start_main_~x~4 33) (<= 33 ULTIMATE.start_main_~x~4)), 16954#(and (<= 34 ULTIMATE.start_main_~x~4) (<= ULTIMATE.start_main_~x~4 34)), 16955#(and (<= ULTIMATE.start_main_~x~4 35) (<= 35 ULTIMATE.start_main_~x~4)), 16956#(and (<= 36 ULTIMATE.start_main_~x~4) (<= ULTIMATE.start_main_~x~4 36)), 16957#(and (<= ULTIMATE.start_main_~x~4 37) (<= 37 ULTIMATE.start_main_~x~4)), 16958#(and (<= 38 ULTIMATE.start_main_~x~4) (<= ULTIMATE.start_main_~x~4 38)), 16959#(and (<= ULTIMATE.start_main_~x~4 39) (<= 39 ULTIMATE.start_main_~x~4)), 16960#(and (<= ULTIMATE.start_main_~x~4 40) (<= 40 ULTIMATE.start_main_~x~4)), 16961#(and (<= ULTIMATE.start_main_~x~4 41) (<= 41 ULTIMATE.start_main_~x~4)), 16962#(and (<= ULTIMATE.start_main_~x~4 42) (<= 42 ULTIMATE.start_main_~x~4)), 16963#(and (<= ULTIMATE.start_main_~x~4 43) (<= 43 ULTIMATE.start_main_~x~4)), 16964#(and (<= 44 ULTIMATE.start_main_~x~4) (<= ULTIMATE.start_main_~x~4 44)), 16965#(and (<= 45 ULTIMATE.start_main_~x~4) (<= ULTIMATE.start_main_~x~4 45)), 16966#(and (<= ULTIMATE.start_main_~x~4 46) (<= 46 ULTIMATE.start_main_~x~4)), 16967#(and (<= 47 ULTIMATE.start_main_~x~4) (<= ULTIMATE.start_main_~x~4 47)), 16968#(and (<= 48 ULTIMATE.start_main_~x~4) (<= ULTIMATE.start_main_~x~4 48)), 16969#(and (<= 49 ULTIMATE.start_main_~x~4) (<= ULTIMATE.start_main_~x~4 49)), 16970#(and (<= ULTIMATE.start_main_~x~4 50) (<= 50 ULTIMATE.start_main_~x~4)), 16971#(and (<= 51 ULTIMATE.start_main_~x~4) (<= ULTIMATE.start_main_~x~4 51)), 16972#(and (<= ULTIMATE.start_main_~x~4 52) (<= 52 ULTIMATE.start_main_~x~4)), 16973#(and (<= 53 ULTIMATE.start_main_~x~4) (<= ULTIMATE.start_main_~x~4 53)), 16974#(and (<= ULTIMATE.start_main_~x~4 54) (<= 54 ULTIMATE.start_main_~x~4)), 16975#(and (<= 55 ULTIMATE.start_main_~x~4) (<= ULTIMATE.start_main_~x~4 55)), 16976#(and (<= 56 ULTIMATE.start_main_~x~4) (<= ULTIMATE.start_main_~x~4 56)), 16977#(and (<= 57 ULTIMATE.start_main_~x~4) (<= ULTIMATE.start_main_~x~4 57)), 16978#(and (<= 58 ULTIMATE.start_main_~x~4) (<= ULTIMATE.start_main_~x~4 58))] [2018-07-23 13:50:07,239 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 13:50:07,239 INFO L450 AbstractCegarLoop]: Interpolant automaton has 61 states [2018-07-23 13:50:07,240 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 61 interpolants. [2018-07-23 13:50:07,240 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=119, Invalid=3541, Unknown=0, NotChecked=0, Total=3660 [2018-07-23 13:50:07,240 INFO L87 Difference]: Start difference. First operand 121 states and 121 transitions. Second operand 61 states. [2018-07-23 13:50:07,613 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-07-23 13:50:07,613 INFO L93 Difference]: Finished difference Result 125 states and 125 transitions. [2018-07-23 13:50:07,613 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 61 states. [2018-07-23 13:50:07,614 INFO L78 Accepts]: Start accepts. Automaton has 61 states. Word has length 120 [2018-07-23 13:50:07,614 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-07-23 13:50:07,615 INFO L225 Difference]: With dead ends: 125 [2018-07-23 13:50:07,615 INFO L226 Difference]: Without dead ends: 123 [2018-07-23 13:50:07,616 INFO L575 BasicCegarLoop]: 0 DeclaredPredicates, 60 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 59 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=119, Invalid=3541, Unknown=0, NotChecked=0, Total=3660 [2018-07-23 13:50:07,616 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 123 states. [2018-07-23 13:50:07,623 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 123 to 123. [2018-07-23 13:50:07,623 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 123 states. [2018-07-23 13:50:07,624 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 123 states to 123 states and 123 transitions. [2018-07-23 13:50:07,624 INFO L78 Accepts]: Start accepts. Automaton has 123 states and 123 transitions. Word has length 120 [2018-07-23 13:50:07,624 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-07-23 13:50:07,624 INFO L471 AbstractCegarLoop]: Abstraction has 123 states and 123 transitions. [2018-07-23 13:50:07,625 INFO L472 AbstractCegarLoop]: Interpolant automaton has 61 states. [2018-07-23 13:50:07,625 INFO L276 IsEmpty]: Start isEmpty. Operand 123 states and 123 transitions. [2018-07-23 13:50:07,626 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 123 [2018-07-23 13:50:07,626 INFO L349 BasicCegarLoop]: Found error trace [2018-07-23 13:50:07,627 INFO L357 BasicCegarLoop]: trace histogram [60, 59, 1, 1, 1] [2018-07-23 13:50:07,627 INFO L414 AbstractCegarLoop]: === Iteration 60 === [ULTIMATE.startErr0AssertViolationASSERT]=== [2018-07-23 13:50:07,627 INFO L82 PathProgramCache]: Analyzing trace with hash 2123362341, now seen corresponding path program 59 times [2018-07-23 13:50:07,627 INFO L69 tionRefinementEngine]: Using refinement strategy FixedRefinementStrategy [2018-07-23 13:50:07,666 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-07-23 13:50:07,992 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 13:50:07,992 INFO L309 seRefinementStrategy]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2018-07-23 13:50:07,993 INFO L324 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [61] total 61 [2018-07-23 13:50:07,993 INFO L142 lantAutomatonBuilder]: Constructing canonical interpolant automaton, with selfloop in false state [2018-07-23 13:50:07,993 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-07-23 13:50:07,994 INFO L185 omatonBuilderFactory]: Interpolants [17536#(and (<= ULTIMATE.start_main_~x~4 59) (<= 59 ULTIMATE.start_main_~x~4)), 17475#true, 17476#false, 17477#(and (<= ULTIMATE.start_main_~x~4 0) (<= 0 ULTIMATE.start_main_~x~4)), 17478#(and (<= ULTIMATE.start_main_~x~4 1) (<= 1 ULTIMATE.start_main_~x~4)), 17479#(and (<= 2 ULTIMATE.start_main_~x~4) (<= ULTIMATE.start_main_~x~4 2)), 17480#(and (<= 3 ULTIMATE.start_main_~x~4) (<= ULTIMATE.start_main_~x~4 3)), 17481#(and (<= ULTIMATE.start_main_~x~4 4) (<= 4 ULTIMATE.start_main_~x~4)), 17482#(and (<= ULTIMATE.start_main_~x~4 5) (<= 5 ULTIMATE.start_main_~x~4)), 17483#(and (<= 6 ULTIMATE.start_main_~x~4) (<= ULTIMATE.start_main_~x~4 6)), 17484#(and (<= ULTIMATE.start_main_~x~4 7) (<= 7 ULTIMATE.start_main_~x~4)), 17485#(and (<= ULTIMATE.start_main_~x~4 8) (<= 8 ULTIMATE.start_main_~x~4)), 17486#(and (<= 9 ULTIMATE.start_main_~x~4) (<= ULTIMATE.start_main_~x~4 9)), 17487#(and (<= ULTIMATE.start_main_~x~4 10) (<= 10 ULTIMATE.start_main_~x~4)), 17488#(and (<= ULTIMATE.start_main_~x~4 11) (<= 11 ULTIMATE.start_main_~x~4)), 17489#(and (<= 12 ULTIMATE.start_main_~x~4) (<= ULTIMATE.start_main_~x~4 12)), 17490#(and (<= ULTIMATE.start_main_~x~4 13) (<= 13 ULTIMATE.start_main_~x~4)), 17491#(and (<= 14 ULTIMATE.start_main_~x~4) (<= ULTIMATE.start_main_~x~4 14)), 17492#(and (<= 15 ULTIMATE.start_main_~x~4) (<= ULTIMATE.start_main_~x~4 15)), 17493#(and (<= ULTIMATE.start_main_~x~4 16) (<= 16 ULTIMATE.start_main_~x~4)), 17494#(and (<= ULTIMATE.start_main_~x~4 17) (<= 17 ULTIMATE.start_main_~x~4)), 17495#(and (<= 18 ULTIMATE.start_main_~x~4) (<= ULTIMATE.start_main_~x~4 18)), 17496#(and (<= 19 ULTIMATE.start_main_~x~4) (<= ULTIMATE.start_main_~x~4 19)), 17497#(and (<= 20 ULTIMATE.start_main_~x~4) (<= ULTIMATE.start_main_~x~4 20)), 17498#(and (<= ULTIMATE.start_main_~x~4 21) (<= 21 ULTIMATE.start_main_~x~4)), 17499#(and (<= ULTIMATE.start_main_~x~4 22) (<= 22 ULTIMATE.start_main_~x~4)), 17500#(and (<= ULTIMATE.start_main_~x~4 23) (<= 23 ULTIMATE.start_main_~x~4)), 17501#(and (<= ULTIMATE.start_main_~x~4 24) (<= 24 ULTIMATE.start_main_~x~4)), 17502#(and (<= ULTIMATE.start_main_~x~4 25) (<= 25 ULTIMATE.start_main_~x~4)), 17503#(and (<= ULTIMATE.start_main_~x~4 26) (<= 26 ULTIMATE.start_main_~x~4)), 17504#(and (<= ULTIMATE.start_main_~x~4 27) (<= 27 ULTIMATE.start_main_~x~4)), 17505#(and (<= ULTIMATE.start_main_~x~4 28) (<= 28 ULTIMATE.start_main_~x~4)), 17506#(and (<= 29 ULTIMATE.start_main_~x~4) (<= ULTIMATE.start_main_~x~4 29)), 17507#(and (<= ULTIMATE.start_main_~x~4 30) (<= 30 ULTIMATE.start_main_~x~4)), 17508#(and (<= ULTIMATE.start_main_~x~4 31) (<= 31 ULTIMATE.start_main_~x~4)), 17509#(and (<= ULTIMATE.start_main_~x~4 32) (<= 32 ULTIMATE.start_main_~x~4)), 17510#(and (<= ULTIMATE.start_main_~x~4 33) (<= 33 ULTIMATE.start_main_~x~4)), 17511#(and (<= 34 ULTIMATE.start_main_~x~4) (<= ULTIMATE.start_main_~x~4 34)), 17512#(and (<= ULTIMATE.start_main_~x~4 35) (<= 35 ULTIMATE.start_main_~x~4)), 17513#(and (<= 36 ULTIMATE.start_main_~x~4) (<= ULTIMATE.start_main_~x~4 36)), 17514#(and (<= ULTIMATE.start_main_~x~4 37) (<= 37 ULTIMATE.start_main_~x~4)), 17515#(and (<= 38 ULTIMATE.start_main_~x~4) (<= ULTIMATE.start_main_~x~4 38)), 17516#(and (<= ULTIMATE.start_main_~x~4 39) (<= 39 ULTIMATE.start_main_~x~4)), 17517#(and (<= ULTIMATE.start_main_~x~4 40) (<= 40 ULTIMATE.start_main_~x~4)), 17518#(and (<= ULTIMATE.start_main_~x~4 41) (<= 41 ULTIMATE.start_main_~x~4)), 17519#(and (<= ULTIMATE.start_main_~x~4 42) (<= 42 ULTIMATE.start_main_~x~4)), 17520#(and (<= ULTIMATE.start_main_~x~4 43) (<= 43 ULTIMATE.start_main_~x~4)), 17521#(and (<= 44 ULTIMATE.start_main_~x~4) (<= ULTIMATE.start_main_~x~4 44)), 17522#(and (<= 45 ULTIMATE.start_main_~x~4) (<= ULTIMATE.start_main_~x~4 45)), 17523#(and (<= ULTIMATE.start_main_~x~4 46) (<= 46 ULTIMATE.start_main_~x~4)), 17524#(and (<= 47 ULTIMATE.start_main_~x~4) (<= ULTIMATE.start_main_~x~4 47)), 17525#(and (<= 48 ULTIMATE.start_main_~x~4) (<= ULTIMATE.start_main_~x~4 48)), 17526#(and (<= 49 ULTIMATE.start_main_~x~4) (<= ULTIMATE.start_main_~x~4 49)), 17527#(and (<= ULTIMATE.start_main_~x~4 50) (<= 50 ULTIMATE.start_main_~x~4)), 17528#(and (<= 51 ULTIMATE.start_main_~x~4) (<= ULTIMATE.start_main_~x~4 51)), 17529#(and (<= ULTIMATE.start_main_~x~4 52) (<= 52 ULTIMATE.start_main_~x~4)), 17530#(and (<= 53 ULTIMATE.start_main_~x~4) (<= ULTIMATE.start_main_~x~4 53)), 17531#(and (<= ULTIMATE.start_main_~x~4 54) (<= 54 ULTIMATE.start_main_~x~4)), 17532#(and (<= 55 ULTIMATE.start_main_~x~4) (<= ULTIMATE.start_main_~x~4 55)), 17533#(and (<= 56 ULTIMATE.start_main_~x~4) (<= ULTIMATE.start_main_~x~4 56)), 17534#(and (<= 57 ULTIMATE.start_main_~x~4) (<= ULTIMATE.start_main_~x~4 57)), 17535#(and (<= 58 ULTIMATE.start_main_~x~4) (<= ULTIMATE.start_main_~x~4 58))] [2018-07-23 13:50:07,994 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 13:50:07,995 INFO L450 AbstractCegarLoop]: Interpolant automaton has 62 states [2018-07-23 13:50:07,995 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 62 interpolants. [2018-07-23 13:50:07,996 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=121, Invalid=3661, Unknown=0, NotChecked=0, Total=3782 [2018-07-23 13:50:07,997 INFO L87 Difference]: Start difference. First operand 123 states and 123 transitions. Second operand 62 states. [2018-07-23 13:50:08,366 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-07-23 13:50:08,366 INFO L93 Difference]: Finished difference Result 127 states and 127 transitions. [2018-07-23 13:50:08,367 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 62 states. [2018-07-23 13:50:08,367 INFO L78 Accepts]: Start accepts. Automaton has 62 states. Word has length 122 [2018-07-23 13:50:08,367 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-07-23 13:50:08,368 INFO L225 Difference]: With dead ends: 127 [2018-07-23 13:50:08,368 INFO L226 Difference]: Without dead ends: 125 [2018-07-23 13:50:08,369 INFO L575 BasicCegarLoop]: 0 DeclaredPredicates, 61 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 60 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=121, Invalid=3661, Unknown=0, NotChecked=0, Total=3782 [2018-07-23 13:50:08,369 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 125 states. [2018-07-23 13:50:08,375 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 125 to 125. [2018-07-23 13:50:08,375 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 125 states. [2018-07-23 13:50:08,376 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 125 states to 125 states and 125 transitions. [2018-07-23 13:50:08,376 INFO L78 Accepts]: Start accepts. Automaton has 125 states and 125 transitions. Word has length 122 [2018-07-23 13:50:08,376 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-07-23 13:50:08,376 INFO L471 AbstractCegarLoop]: Abstraction has 125 states and 125 transitions. [2018-07-23 13:50:08,376 INFO L472 AbstractCegarLoop]: Interpolant automaton has 62 states. [2018-07-23 13:50:08,376 INFO L276 IsEmpty]: Start isEmpty. Operand 125 states and 125 transitions. [2018-07-23 13:50:08,377 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 125 [2018-07-23 13:50:08,377 INFO L349 BasicCegarLoop]: Found error trace [2018-07-23 13:50:08,377 INFO L357 BasicCegarLoop]: trace histogram [61, 60, 1, 1, 1] [2018-07-23 13:50:08,378 INFO L414 AbstractCegarLoop]: === Iteration 61 === [ULTIMATE.startErr0AssertViolationASSERT]=== [2018-07-23 13:50:08,378 INFO L82 PathProgramCache]: Analyzing trace with hash 441796191, now seen corresponding path program 60 times [2018-07-23 13:50:08,378 INFO L69 tionRefinementEngine]: Using refinement strategy FixedRefinementStrategy [2018-07-23 13:50:08,423 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-07-23 13:50:08,875 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 13:50:08,875 INFO L309 seRefinementStrategy]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2018-07-23 13:50:08,876 INFO L324 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [62] total 62 [2018-07-23 13:50:08,876 INFO L142 lantAutomatonBuilder]: Constructing canonical interpolant automaton, with selfloop in false state [2018-07-23 13:50:08,876 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-07-23 13:50:08,877 INFO L185 omatonBuilderFactory]: Interpolants [18048#(and (<= ULTIMATE.start_main_~x~4 5) (<= 5 ULTIMATE.start_main_~x~4)), 18049#(and (<= 6 ULTIMATE.start_main_~x~4) (<= ULTIMATE.start_main_~x~4 6)), 18050#(and (<= ULTIMATE.start_main_~x~4 7) (<= 7 ULTIMATE.start_main_~x~4)), 18051#(and (<= ULTIMATE.start_main_~x~4 8) (<= 8 ULTIMATE.start_main_~x~4)), 18052#(and (<= 9 ULTIMATE.start_main_~x~4) (<= ULTIMATE.start_main_~x~4 9)), 18053#(and (<= ULTIMATE.start_main_~x~4 10) (<= 10 ULTIMATE.start_main_~x~4)), 18054#(and (<= ULTIMATE.start_main_~x~4 11) (<= 11 ULTIMATE.start_main_~x~4)), 18055#(and (<= 12 ULTIMATE.start_main_~x~4) (<= ULTIMATE.start_main_~x~4 12)), 18056#(and (<= ULTIMATE.start_main_~x~4 13) (<= 13 ULTIMATE.start_main_~x~4)), 18057#(and (<= 14 ULTIMATE.start_main_~x~4) (<= ULTIMATE.start_main_~x~4 14)), 18058#(and (<= 15 ULTIMATE.start_main_~x~4) (<= ULTIMATE.start_main_~x~4 15)), 18059#(and (<= ULTIMATE.start_main_~x~4 16) (<= 16 ULTIMATE.start_main_~x~4)), 18060#(and (<= ULTIMATE.start_main_~x~4 17) (<= 17 ULTIMATE.start_main_~x~4)), 18061#(and (<= 18 ULTIMATE.start_main_~x~4) (<= ULTIMATE.start_main_~x~4 18)), 18062#(and (<= 19 ULTIMATE.start_main_~x~4) (<= ULTIMATE.start_main_~x~4 19)), 18063#(and (<= 20 ULTIMATE.start_main_~x~4) (<= ULTIMATE.start_main_~x~4 20)), 18064#(and (<= ULTIMATE.start_main_~x~4 21) (<= 21 ULTIMATE.start_main_~x~4)), 18065#(and (<= ULTIMATE.start_main_~x~4 22) (<= 22 ULTIMATE.start_main_~x~4)), 18066#(and (<= ULTIMATE.start_main_~x~4 23) (<= 23 ULTIMATE.start_main_~x~4)), 18067#(and (<= ULTIMATE.start_main_~x~4 24) (<= 24 ULTIMATE.start_main_~x~4)), 18068#(and (<= ULTIMATE.start_main_~x~4 25) (<= 25 ULTIMATE.start_main_~x~4)), 18069#(and (<= ULTIMATE.start_main_~x~4 26) (<= 26 ULTIMATE.start_main_~x~4)), 18070#(and (<= ULTIMATE.start_main_~x~4 27) (<= 27 ULTIMATE.start_main_~x~4)), 18071#(and (<= ULTIMATE.start_main_~x~4 28) (<= 28 ULTIMATE.start_main_~x~4)), 18072#(and (<= 29 ULTIMATE.start_main_~x~4) (<= ULTIMATE.start_main_~x~4 29)), 18073#(and (<= ULTIMATE.start_main_~x~4 30) (<= 30 ULTIMATE.start_main_~x~4)), 18074#(and (<= ULTIMATE.start_main_~x~4 31) (<= 31 ULTIMATE.start_main_~x~4)), 18075#(and (<= ULTIMATE.start_main_~x~4 32) (<= 32 ULTIMATE.start_main_~x~4)), 18076#(and (<= ULTIMATE.start_main_~x~4 33) (<= 33 ULTIMATE.start_main_~x~4)), 18077#(and (<= 34 ULTIMATE.start_main_~x~4) (<= ULTIMATE.start_main_~x~4 34)), 18078#(and (<= ULTIMATE.start_main_~x~4 35) (<= 35 ULTIMATE.start_main_~x~4)), 18079#(and (<= 36 ULTIMATE.start_main_~x~4) (<= ULTIMATE.start_main_~x~4 36)), 18080#(and (<= ULTIMATE.start_main_~x~4 37) (<= 37 ULTIMATE.start_main_~x~4)), 18081#(and (<= 38 ULTIMATE.start_main_~x~4) (<= ULTIMATE.start_main_~x~4 38)), 18082#(and (<= ULTIMATE.start_main_~x~4 39) (<= 39 ULTIMATE.start_main_~x~4)), 18083#(and (<= ULTIMATE.start_main_~x~4 40) (<= 40 ULTIMATE.start_main_~x~4)), 18084#(and (<= ULTIMATE.start_main_~x~4 41) (<= 41 ULTIMATE.start_main_~x~4)), 18085#(and (<= ULTIMATE.start_main_~x~4 42) (<= 42 ULTIMATE.start_main_~x~4)), 18086#(and (<= ULTIMATE.start_main_~x~4 43) (<= 43 ULTIMATE.start_main_~x~4)), 18087#(and (<= 44 ULTIMATE.start_main_~x~4) (<= ULTIMATE.start_main_~x~4 44)), 18088#(and (<= 45 ULTIMATE.start_main_~x~4) (<= ULTIMATE.start_main_~x~4 45)), 18089#(and (<= ULTIMATE.start_main_~x~4 46) (<= 46 ULTIMATE.start_main_~x~4)), 18090#(and (<= 47 ULTIMATE.start_main_~x~4) (<= ULTIMATE.start_main_~x~4 47)), 18091#(and (<= 48 ULTIMATE.start_main_~x~4) (<= ULTIMATE.start_main_~x~4 48)), 18092#(and (<= 49 ULTIMATE.start_main_~x~4) (<= ULTIMATE.start_main_~x~4 49)), 18093#(and (<= ULTIMATE.start_main_~x~4 50) (<= 50 ULTIMATE.start_main_~x~4)), 18094#(and (<= 51 ULTIMATE.start_main_~x~4) (<= ULTIMATE.start_main_~x~4 51)), 18095#(and (<= ULTIMATE.start_main_~x~4 52) (<= 52 ULTIMATE.start_main_~x~4)), 18096#(and (<= 53 ULTIMATE.start_main_~x~4) (<= ULTIMATE.start_main_~x~4 53)), 18097#(and (<= ULTIMATE.start_main_~x~4 54) (<= 54 ULTIMATE.start_main_~x~4)), 18098#(and (<= 55 ULTIMATE.start_main_~x~4) (<= ULTIMATE.start_main_~x~4 55)), 18099#(and (<= 56 ULTIMATE.start_main_~x~4) (<= ULTIMATE.start_main_~x~4 56)), 18100#(and (<= 57 ULTIMATE.start_main_~x~4) (<= ULTIMATE.start_main_~x~4 57)), 18101#(and (<= 58 ULTIMATE.start_main_~x~4) (<= ULTIMATE.start_main_~x~4 58)), 18102#(and (<= ULTIMATE.start_main_~x~4 59) (<= 59 ULTIMATE.start_main_~x~4)), 18103#(and (<= 60 ULTIMATE.start_main_~x~4) (<= ULTIMATE.start_main_~x~4 60)), 18041#true, 18042#false, 18043#(and (<= ULTIMATE.start_main_~x~4 0) (<= 0 ULTIMATE.start_main_~x~4)), 18044#(and (<= ULTIMATE.start_main_~x~4 1) (<= 1 ULTIMATE.start_main_~x~4)), 18045#(and (<= 2 ULTIMATE.start_main_~x~4) (<= ULTIMATE.start_main_~x~4 2)), 18046#(and (<= 3 ULTIMATE.start_main_~x~4) (<= ULTIMATE.start_main_~x~4 3)), 18047#(and (<= ULTIMATE.start_main_~x~4 4) (<= 4 ULTIMATE.start_main_~x~4))] [2018-07-23 13:50:08,878 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 13:50:08,878 INFO L450 AbstractCegarLoop]: Interpolant automaton has 63 states [2018-07-23 13:50:08,878 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 63 interpolants. [2018-07-23 13:50:08,879 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=123, Invalid=3783, Unknown=0, NotChecked=0, Total=3906 [2018-07-23 13:50:08,879 INFO L87 Difference]: Start difference. First operand 125 states and 125 transitions. Second operand 63 states. [2018-07-23 13:50:09,261 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-07-23 13:50:09,261 INFO L93 Difference]: Finished difference Result 129 states and 129 transitions. [2018-07-23 13:50:09,261 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 63 states. [2018-07-23 13:50:09,261 INFO L78 Accepts]: Start accepts. Automaton has 63 states. Word has length 124 [2018-07-23 13:50:09,262 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-07-23 13:50:09,262 INFO L225 Difference]: With dead ends: 129 [2018-07-23 13:50:09,263 INFO L226 Difference]: Without dead ends: 127 [2018-07-23 13:50:09,263 INFO L575 BasicCegarLoop]: 0 DeclaredPredicates, 62 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 61 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=123, Invalid=3783, Unknown=0, NotChecked=0, Total=3906 [2018-07-23 13:50:09,263 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 127 states. [2018-07-23 13:50:09,276 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 127 to 127. [2018-07-23 13:50:09,276 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 127 states. [2018-07-23 13:50:09,277 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 127 states to 127 states and 127 transitions. [2018-07-23 13:50:09,277 INFO L78 Accepts]: Start accepts. Automaton has 127 states and 127 transitions. Word has length 124 [2018-07-23 13:50:09,277 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-07-23 13:50:09,277 INFO L471 AbstractCegarLoop]: Abstraction has 127 states and 127 transitions. [2018-07-23 13:50:09,277 INFO L472 AbstractCegarLoop]: Interpolant automaton has 63 states. [2018-07-23 13:50:09,277 INFO L276 IsEmpty]: Start isEmpty. Operand 127 states and 127 transitions. [2018-07-23 13:50:09,278 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 127 [2018-07-23 13:50:09,278 INFO L349 BasicCegarLoop]: Found error trace [2018-07-23 13:50:09,278 INFO L357 BasicCegarLoop]: trace histogram [62, 61, 1, 1, 1] [2018-07-23 13:50:09,279 INFO L414 AbstractCegarLoop]: === Iteration 62 === [ULTIMATE.startErr0AssertViolationASSERT]=== [2018-07-23 13:50:09,279 INFO L82 PathProgramCache]: Analyzing trace with hash -635570663, now seen corresponding path program 61 times [2018-07-23 13:50:09,279 INFO L69 tionRefinementEngine]: Using refinement strategy FixedRefinementStrategy [2018-07-23 13:50:09,315 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-07-23 13:50:09,673 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 13:50:09,673 INFO L309 seRefinementStrategy]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2018-07-23 13:50:09,674 INFO L324 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [63] total 63 [2018-07-23 13:50:09,674 INFO L142 lantAutomatonBuilder]: Constructing canonical interpolant automaton, with selfloop in false state [2018-07-23 13:50:09,674 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-07-23 13:50:09,675 INFO L185 omatonBuilderFactory]: Interpolants [18616#true, 18617#false, 18618#(and (<= ULTIMATE.start_main_~x~4 0) (<= 0 ULTIMATE.start_main_~x~4)), 18619#(and (<= ULTIMATE.start_main_~x~4 1) (<= 1 ULTIMATE.start_main_~x~4)), 18620#(and (<= 2 ULTIMATE.start_main_~x~4) (<= ULTIMATE.start_main_~x~4 2)), 18621#(and (<= 3 ULTIMATE.start_main_~x~4) (<= ULTIMATE.start_main_~x~4 3)), 18622#(and (<= ULTIMATE.start_main_~x~4 4) (<= 4 ULTIMATE.start_main_~x~4)), 18623#(and (<= ULTIMATE.start_main_~x~4 5) (<= 5 ULTIMATE.start_main_~x~4)), 18624#(and (<= 6 ULTIMATE.start_main_~x~4) (<= ULTIMATE.start_main_~x~4 6)), 18625#(and (<= ULTIMATE.start_main_~x~4 7) (<= 7 ULTIMATE.start_main_~x~4)), 18626#(and (<= ULTIMATE.start_main_~x~4 8) (<= 8 ULTIMATE.start_main_~x~4)), 18627#(and (<= 9 ULTIMATE.start_main_~x~4) (<= ULTIMATE.start_main_~x~4 9)), 18628#(and (<= ULTIMATE.start_main_~x~4 10) (<= 10 ULTIMATE.start_main_~x~4)), 18629#(and (<= ULTIMATE.start_main_~x~4 11) (<= 11 ULTIMATE.start_main_~x~4)), 18630#(and (<= 12 ULTIMATE.start_main_~x~4) (<= ULTIMATE.start_main_~x~4 12)), 18631#(and (<= ULTIMATE.start_main_~x~4 13) (<= 13 ULTIMATE.start_main_~x~4)), 18632#(and (<= 14 ULTIMATE.start_main_~x~4) (<= ULTIMATE.start_main_~x~4 14)), 18633#(and (<= 15 ULTIMATE.start_main_~x~4) (<= ULTIMATE.start_main_~x~4 15)), 18634#(and (<= ULTIMATE.start_main_~x~4 16) (<= 16 ULTIMATE.start_main_~x~4)), 18635#(and (<= ULTIMATE.start_main_~x~4 17) (<= 17 ULTIMATE.start_main_~x~4)), 18636#(and (<= 18 ULTIMATE.start_main_~x~4) (<= ULTIMATE.start_main_~x~4 18)), 18637#(and (<= 19 ULTIMATE.start_main_~x~4) (<= ULTIMATE.start_main_~x~4 19)), 18638#(and (<= 20 ULTIMATE.start_main_~x~4) (<= ULTIMATE.start_main_~x~4 20)), 18639#(and (<= ULTIMATE.start_main_~x~4 21) (<= 21 ULTIMATE.start_main_~x~4)), 18640#(and (<= ULTIMATE.start_main_~x~4 22) (<= 22 ULTIMATE.start_main_~x~4)), 18641#(and (<= ULTIMATE.start_main_~x~4 23) (<= 23 ULTIMATE.start_main_~x~4)), 18642#(and (<= ULTIMATE.start_main_~x~4 24) (<= 24 ULTIMATE.start_main_~x~4)), 18643#(and (<= ULTIMATE.start_main_~x~4 25) (<= 25 ULTIMATE.start_main_~x~4)), 18644#(and (<= ULTIMATE.start_main_~x~4 26) (<= 26 ULTIMATE.start_main_~x~4)), 18645#(and (<= ULTIMATE.start_main_~x~4 27) (<= 27 ULTIMATE.start_main_~x~4)), 18646#(and (<= ULTIMATE.start_main_~x~4 28) (<= 28 ULTIMATE.start_main_~x~4)), 18647#(and (<= 29 ULTIMATE.start_main_~x~4) (<= ULTIMATE.start_main_~x~4 29)), 18648#(and (<= ULTIMATE.start_main_~x~4 30) (<= 30 ULTIMATE.start_main_~x~4)), 18649#(and (<= ULTIMATE.start_main_~x~4 31) (<= 31 ULTIMATE.start_main_~x~4)), 18650#(and (<= ULTIMATE.start_main_~x~4 32) (<= 32 ULTIMATE.start_main_~x~4)), 18651#(and (<= ULTIMATE.start_main_~x~4 33) (<= 33 ULTIMATE.start_main_~x~4)), 18652#(and (<= 34 ULTIMATE.start_main_~x~4) (<= ULTIMATE.start_main_~x~4 34)), 18653#(and (<= ULTIMATE.start_main_~x~4 35) (<= 35 ULTIMATE.start_main_~x~4)), 18654#(and (<= 36 ULTIMATE.start_main_~x~4) (<= ULTIMATE.start_main_~x~4 36)), 18655#(and (<= ULTIMATE.start_main_~x~4 37) (<= 37 ULTIMATE.start_main_~x~4)), 18656#(and (<= 38 ULTIMATE.start_main_~x~4) (<= ULTIMATE.start_main_~x~4 38)), 18657#(and (<= ULTIMATE.start_main_~x~4 39) (<= 39 ULTIMATE.start_main_~x~4)), 18658#(and (<= ULTIMATE.start_main_~x~4 40) (<= 40 ULTIMATE.start_main_~x~4)), 18659#(and (<= ULTIMATE.start_main_~x~4 41) (<= 41 ULTIMATE.start_main_~x~4)), 18660#(and (<= ULTIMATE.start_main_~x~4 42) (<= 42 ULTIMATE.start_main_~x~4)), 18661#(and (<= ULTIMATE.start_main_~x~4 43) (<= 43 ULTIMATE.start_main_~x~4)), 18662#(and (<= 44 ULTIMATE.start_main_~x~4) (<= ULTIMATE.start_main_~x~4 44)), 18663#(and (<= 45 ULTIMATE.start_main_~x~4) (<= ULTIMATE.start_main_~x~4 45)), 18664#(and (<= ULTIMATE.start_main_~x~4 46) (<= 46 ULTIMATE.start_main_~x~4)), 18665#(and (<= 47 ULTIMATE.start_main_~x~4) (<= ULTIMATE.start_main_~x~4 47)), 18666#(and (<= 48 ULTIMATE.start_main_~x~4) (<= ULTIMATE.start_main_~x~4 48)), 18667#(and (<= 49 ULTIMATE.start_main_~x~4) (<= ULTIMATE.start_main_~x~4 49)), 18668#(and (<= ULTIMATE.start_main_~x~4 50) (<= 50 ULTIMATE.start_main_~x~4)), 18669#(and (<= 51 ULTIMATE.start_main_~x~4) (<= ULTIMATE.start_main_~x~4 51)), 18670#(and (<= ULTIMATE.start_main_~x~4 52) (<= 52 ULTIMATE.start_main_~x~4)), 18671#(and (<= 53 ULTIMATE.start_main_~x~4) (<= ULTIMATE.start_main_~x~4 53)), 18672#(and (<= ULTIMATE.start_main_~x~4 54) (<= 54 ULTIMATE.start_main_~x~4)), 18673#(and (<= 55 ULTIMATE.start_main_~x~4) (<= ULTIMATE.start_main_~x~4 55)), 18674#(and (<= 56 ULTIMATE.start_main_~x~4) (<= ULTIMATE.start_main_~x~4 56)), 18675#(and (<= 57 ULTIMATE.start_main_~x~4) (<= ULTIMATE.start_main_~x~4 57)), 18676#(and (<= 58 ULTIMATE.start_main_~x~4) (<= ULTIMATE.start_main_~x~4 58)), 18677#(and (<= ULTIMATE.start_main_~x~4 59) (<= 59 ULTIMATE.start_main_~x~4)), 18678#(and (<= 60 ULTIMATE.start_main_~x~4) (<= ULTIMATE.start_main_~x~4 60)), 18679#(and (<= 61 ULTIMATE.start_main_~x~4) (<= ULTIMATE.start_main_~x~4 61))] [2018-07-23 13:50:09,676 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 13:50:09,677 INFO L450 AbstractCegarLoop]: Interpolant automaton has 64 states [2018-07-23 13:50:09,677 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 64 interpolants. [2018-07-23 13:50:09,678 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=125, Invalid=3907, Unknown=0, NotChecked=0, Total=4032 [2018-07-23 13:50:09,678 INFO L87 Difference]: Start difference. First operand 127 states and 127 transitions. Second operand 64 states. [2018-07-23 13:50:10,118 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-07-23 13:50:10,118 INFO L93 Difference]: Finished difference Result 131 states and 131 transitions. [2018-07-23 13:50:10,118 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 64 states. [2018-07-23 13:50:10,119 INFO L78 Accepts]: Start accepts. Automaton has 64 states. Word has length 126 [2018-07-23 13:50:10,119 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-07-23 13:50:10,120 INFO L225 Difference]: With dead ends: 131 [2018-07-23 13:50:10,120 INFO L226 Difference]: Without dead ends: 129 [2018-07-23 13:50:10,121 INFO L575 BasicCegarLoop]: 0 DeclaredPredicates, 63 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 62 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=125, Invalid=3907, Unknown=0, NotChecked=0, Total=4032 [2018-07-23 13:50:10,121 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 129 states. [2018-07-23 13:50:10,128 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 129 to 129. [2018-07-23 13:50:10,128 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 129 states. [2018-07-23 13:50:10,129 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 129 states to 129 states and 129 transitions. [2018-07-23 13:50:10,129 INFO L78 Accepts]: Start accepts. Automaton has 129 states and 129 transitions. Word has length 126 [2018-07-23 13:50:10,130 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-07-23 13:50:10,130 INFO L471 AbstractCegarLoop]: Abstraction has 129 states and 129 transitions. [2018-07-23 13:50:10,130 INFO L472 AbstractCegarLoop]: Interpolant automaton has 64 states. [2018-07-23 13:50:10,130 INFO L276 IsEmpty]: Start isEmpty. Operand 129 states and 129 transitions. [2018-07-23 13:50:10,130 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 129 [2018-07-23 13:50:10,131 INFO L349 BasicCegarLoop]: Found error trace [2018-07-23 13:50:10,131 INFO L357 BasicCegarLoop]: trace histogram [63, 62, 1, 1, 1] [2018-07-23 13:50:10,131 INFO L414 AbstractCegarLoop]: === Iteration 63 === [ULTIMATE.startErr0AssertViolationASSERT]=== [2018-07-23 13:50:10,131 INFO L82 PathProgramCache]: Analyzing trace with hash -897999021, now seen corresponding path program 62 times [2018-07-23 13:50:10,131 INFO L69 tionRefinementEngine]: Using refinement strategy FixedRefinementStrategy [2018-07-23 13:50:10,177 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-07-23 13:50:10,487 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 13:50:10,487 INFO L309 seRefinementStrategy]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2018-07-23 13:50:10,488 INFO L324 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [64] total 64 [2018-07-23 13:50:10,488 INFO L142 lantAutomatonBuilder]: Constructing canonical interpolant automaton, with selfloop in false state [2018-07-23 13:50:10,488 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-07-23 13:50:10,489 INFO L185 omatonBuilderFactory]: Interpolants [19200#true, 19201#false, 19202#(and (<= ULTIMATE.start_main_~x~4 0) (<= 0 ULTIMATE.start_main_~x~4)), 19203#(and (<= ULTIMATE.start_main_~x~4 1) (<= 1 ULTIMATE.start_main_~x~4)), 19204#(and (<= 2 ULTIMATE.start_main_~x~4) (<= ULTIMATE.start_main_~x~4 2)), 19205#(and (<= 3 ULTIMATE.start_main_~x~4) (<= ULTIMATE.start_main_~x~4 3)), 19206#(and (<= ULTIMATE.start_main_~x~4 4) (<= 4 ULTIMATE.start_main_~x~4)), 19207#(and (<= ULTIMATE.start_main_~x~4 5) (<= 5 ULTIMATE.start_main_~x~4)), 19208#(and (<= 6 ULTIMATE.start_main_~x~4) (<= ULTIMATE.start_main_~x~4 6)), 19209#(and (<= ULTIMATE.start_main_~x~4 7) (<= 7 ULTIMATE.start_main_~x~4)), 19210#(and (<= ULTIMATE.start_main_~x~4 8) (<= 8 ULTIMATE.start_main_~x~4)), 19211#(and (<= 9 ULTIMATE.start_main_~x~4) (<= ULTIMATE.start_main_~x~4 9)), 19212#(and (<= ULTIMATE.start_main_~x~4 10) (<= 10 ULTIMATE.start_main_~x~4)), 19213#(and (<= ULTIMATE.start_main_~x~4 11) (<= 11 ULTIMATE.start_main_~x~4)), 19214#(and (<= 12 ULTIMATE.start_main_~x~4) (<= ULTIMATE.start_main_~x~4 12)), 19215#(and (<= ULTIMATE.start_main_~x~4 13) (<= 13 ULTIMATE.start_main_~x~4)), 19216#(and (<= 14 ULTIMATE.start_main_~x~4) (<= ULTIMATE.start_main_~x~4 14)), 19217#(and (<= 15 ULTIMATE.start_main_~x~4) (<= ULTIMATE.start_main_~x~4 15)), 19218#(and (<= ULTIMATE.start_main_~x~4 16) (<= 16 ULTIMATE.start_main_~x~4)), 19219#(and (<= ULTIMATE.start_main_~x~4 17) (<= 17 ULTIMATE.start_main_~x~4)), 19220#(and (<= 18 ULTIMATE.start_main_~x~4) (<= ULTIMATE.start_main_~x~4 18)), 19221#(and (<= 19 ULTIMATE.start_main_~x~4) (<= ULTIMATE.start_main_~x~4 19)), 19222#(and (<= 20 ULTIMATE.start_main_~x~4) (<= ULTIMATE.start_main_~x~4 20)), 19223#(and (<= ULTIMATE.start_main_~x~4 21) (<= 21 ULTIMATE.start_main_~x~4)), 19224#(and (<= ULTIMATE.start_main_~x~4 22) (<= 22 ULTIMATE.start_main_~x~4)), 19225#(and (<= ULTIMATE.start_main_~x~4 23) (<= 23 ULTIMATE.start_main_~x~4)), 19226#(and (<= ULTIMATE.start_main_~x~4 24) (<= 24 ULTIMATE.start_main_~x~4)), 19227#(and (<= ULTIMATE.start_main_~x~4 25) (<= 25 ULTIMATE.start_main_~x~4)), 19228#(and (<= ULTIMATE.start_main_~x~4 26) (<= 26 ULTIMATE.start_main_~x~4)), 19229#(and (<= ULTIMATE.start_main_~x~4 27) (<= 27 ULTIMATE.start_main_~x~4)), 19230#(and (<= ULTIMATE.start_main_~x~4 28) (<= 28 ULTIMATE.start_main_~x~4)), 19231#(and (<= 29 ULTIMATE.start_main_~x~4) (<= ULTIMATE.start_main_~x~4 29)), 19232#(and (<= ULTIMATE.start_main_~x~4 30) (<= 30 ULTIMATE.start_main_~x~4)), 19233#(and (<= ULTIMATE.start_main_~x~4 31) (<= 31 ULTIMATE.start_main_~x~4)), 19234#(and (<= ULTIMATE.start_main_~x~4 32) (<= 32 ULTIMATE.start_main_~x~4)), 19235#(and (<= ULTIMATE.start_main_~x~4 33) (<= 33 ULTIMATE.start_main_~x~4)), 19236#(and (<= 34 ULTIMATE.start_main_~x~4) (<= ULTIMATE.start_main_~x~4 34)), 19237#(and (<= ULTIMATE.start_main_~x~4 35) (<= 35 ULTIMATE.start_main_~x~4)), 19238#(and (<= 36 ULTIMATE.start_main_~x~4) (<= ULTIMATE.start_main_~x~4 36)), 19239#(and (<= ULTIMATE.start_main_~x~4 37) (<= 37 ULTIMATE.start_main_~x~4)), 19240#(and (<= 38 ULTIMATE.start_main_~x~4) (<= ULTIMATE.start_main_~x~4 38)), 19241#(and (<= ULTIMATE.start_main_~x~4 39) (<= 39 ULTIMATE.start_main_~x~4)), 19242#(and (<= ULTIMATE.start_main_~x~4 40) (<= 40 ULTIMATE.start_main_~x~4)), 19243#(and (<= ULTIMATE.start_main_~x~4 41) (<= 41 ULTIMATE.start_main_~x~4)), 19244#(and (<= ULTIMATE.start_main_~x~4 42) (<= 42 ULTIMATE.start_main_~x~4)), 19245#(and (<= ULTIMATE.start_main_~x~4 43) (<= 43 ULTIMATE.start_main_~x~4)), 19246#(and (<= 44 ULTIMATE.start_main_~x~4) (<= ULTIMATE.start_main_~x~4 44)), 19247#(and (<= 45 ULTIMATE.start_main_~x~4) (<= ULTIMATE.start_main_~x~4 45)), 19248#(and (<= ULTIMATE.start_main_~x~4 46) (<= 46 ULTIMATE.start_main_~x~4)), 19249#(and (<= 47 ULTIMATE.start_main_~x~4) (<= ULTIMATE.start_main_~x~4 47)), 19250#(and (<= 48 ULTIMATE.start_main_~x~4) (<= ULTIMATE.start_main_~x~4 48)), 19251#(and (<= 49 ULTIMATE.start_main_~x~4) (<= ULTIMATE.start_main_~x~4 49)), 19252#(and (<= ULTIMATE.start_main_~x~4 50) (<= 50 ULTIMATE.start_main_~x~4)), 19253#(and (<= 51 ULTIMATE.start_main_~x~4) (<= ULTIMATE.start_main_~x~4 51)), 19254#(and (<= ULTIMATE.start_main_~x~4 52) (<= 52 ULTIMATE.start_main_~x~4)), 19255#(and (<= 53 ULTIMATE.start_main_~x~4) (<= ULTIMATE.start_main_~x~4 53)), 19256#(and (<= ULTIMATE.start_main_~x~4 54) (<= 54 ULTIMATE.start_main_~x~4)), 19257#(and (<= 55 ULTIMATE.start_main_~x~4) (<= ULTIMATE.start_main_~x~4 55)), 19258#(and (<= 56 ULTIMATE.start_main_~x~4) (<= ULTIMATE.start_main_~x~4 56)), 19259#(and (<= 57 ULTIMATE.start_main_~x~4) (<= ULTIMATE.start_main_~x~4 57)), 19260#(and (<= 58 ULTIMATE.start_main_~x~4) (<= ULTIMATE.start_main_~x~4 58)), 19261#(and (<= ULTIMATE.start_main_~x~4 59) (<= 59 ULTIMATE.start_main_~x~4)), 19262#(and (<= 60 ULTIMATE.start_main_~x~4) (<= ULTIMATE.start_main_~x~4 60)), 19263#(and (<= 61 ULTIMATE.start_main_~x~4) (<= ULTIMATE.start_main_~x~4 61)), 19264#(and (<= ULTIMATE.start_main_~x~4 62) (<= 62 ULTIMATE.start_main_~x~4))] [2018-07-23 13:50:10,490 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 13:50:10,490 INFO L450 AbstractCegarLoop]: Interpolant automaton has 65 states [2018-07-23 13:50:10,490 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 65 interpolants. [2018-07-23 13:50:10,491 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=127, Invalid=4033, Unknown=0, NotChecked=0, Total=4160 [2018-07-23 13:50:10,491 INFO L87 Difference]: Start difference. First operand 129 states and 129 transitions. Second operand 65 states. [2018-07-23 13:50:10,843 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-07-23 13:50:10,843 INFO L93 Difference]: Finished difference Result 133 states and 133 transitions. [2018-07-23 13:50:10,843 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 65 states. [2018-07-23 13:50:10,844 INFO L78 Accepts]: Start accepts. Automaton has 65 states. Word has length 128 [2018-07-23 13:50:10,844 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-07-23 13:50:10,845 INFO L225 Difference]: With dead ends: 133 [2018-07-23 13:50:10,845 INFO L226 Difference]: Without dead ends: 131 [2018-07-23 13:50:10,846 INFO L575 BasicCegarLoop]: 0 DeclaredPredicates, 64 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 63 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=127, Invalid=4033, Unknown=0, NotChecked=0, Total=4160 [2018-07-23 13:50:10,846 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 131 states. [2018-07-23 13:50:10,856 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 131 to 131. [2018-07-23 13:50:10,856 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 131 states. [2018-07-23 13:50:10,857 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 131 states to 131 states and 131 transitions. [2018-07-23 13:50:10,857 INFO L78 Accepts]: Start accepts. Automaton has 131 states and 131 transitions. Word has length 128 [2018-07-23 13:50:10,857 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-07-23 13:50:10,857 INFO L471 AbstractCegarLoop]: Abstraction has 131 states and 131 transitions. [2018-07-23 13:50:10,857 INFO L472 AbstractCegarLoop]: Interpolant automaton has 65 states. [2018-07-23 13:50:10,857 INFO L276 IsEmpty]: Start isEmpty. Operand 131 states and 131 transitions. [2018-07-23 13:50:10,858 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 131 [2018-07-23 13:50:10,858 INFO L349 BasicCegarLoop]: Found error trace [2018-07-23 13:50:10,858 INFO L357 BasicCegarLoop]: trace histogram [64, 63, 1, 1, 1] [2018-07-23 13:50:10,859 INFO L414 AbstractCegarLoop]: === Iteration 64 === [ULTIMATE.startErr0AssertViolationASSERT]=== [2018-07-23 13:50:10,859 INFO L82 PathProgramCache]: Analyzing trace with hash 311419405, now seen corresponding path program 63 times [2018-07-23 13:50:10,859 INFO L69 tionRefinementEngine]: Using refinement strategy FixedRefinementStrategy [2018-07-23 13:50:10,903 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-07-23 13:50:11,195 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 13:50:11,196 INFO L309 seRefinementStrategy]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2018-07-23 13:50:11,196 INFO L324 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [65] total 65 [2018-07-23 13:50:11,196 INFO L142 lantAutomatonBuilder]: Constructing canonical interpolant automaton, with selfloop in false state [2018-07-23 13:50:11,197 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-07-23 13:50:11,197 INFO L185 omatonBuilderFactory]: Interpolants [19840#(and (<= 45 ULTIMATE.start_main_~x~4) (<= ULTIMATE.start_main_~x~4 45)), 19841#(and (<= ULTIMATE.start_main_~x~4 46) (<= 46 ULTIMATE.start_main_~x~4)), 19842#(and (<= 47 ULTIMATE.start_main_~x~4) (<= ULTIMATE.start_main_~x~4 47)), 19843#(and (<= 48 ULTIMATE.start_main_~x~4) (<= ULTIMATE.start_main_~x~4 48)), 19844#(and (<= 49 ULTIMATE.start_main_~x~4) (<= ULTIMATE.start_main_~x~4 49)), 19845#(and (<= ULTIMATE.start_main_~x~4 50) (<= 50 ULTIMATE.start_main_~x~4)), 19846#(and (<= 51 ULTIMATE.start_main_~x~4) (<= ULTIMATE.start_main_~x~4 51)), 19847#(and (<= ULTIMATE.start_main_~x~4 52) (<= 52 ULTIMATE.start_main_~x~4)), 19848#(and (<= 53 ULTIMATE.start_main_~x~4) (<= ULTIMATE.start_main_~x~4 53)), 19849#(and (<= ULTIMATE.start_main_~x~4 54) (<= 54 ULTIMATE.start_main_~x~4)), 19850#(and (<= 55 ULTIMATE.start_main_~x~4) (<= ULTIMATE.start_main_~x~4 55)), 19851#(and (<= 56 ULTIMATE.start_main_~x~4) (<= ULTIMATE.start_main_~x~4 56)), 19852#(and (<= 57 ULTIMATE.start_main_~x~4) (<= ULTIMATE.start_main_~x~4 57)), 19853#(and (<= 58 ULTIMATE.start_main_~x~4) (<= ULTIMATE.start_main_~x~4 58)), 19854#(and (<= ULTIMATE.start_main_~x~4 59) (<= 59 ULTIMATE.start_main_~x~4)), 19855#(and (<= 60 ULTIMATE.start_main_~x~4) (<= ULTIMATE.start_main_~x~4 60)), 19856#(and (<= 61 ULTIMATE.start_main_~x~4) (<= ULTIMATE.start_main_~x~4 61)), 19857#(and (<= ULTIMATE.start_main_~x~4 62) (<= 62 ULTIMATE.start_main_~x~4)), 19858#(and (<= 63 ULTIMATE.start_main_~x~4) (<= ULTIMATE.start_main_~x~4 63)), 19793#true, 19794#false, 19795#(and (<= ULTIMATE.start_main_~x~4 0) (<= 0 ULTIMATE.start_main_~x~4)), 19796#(and (<= ULTIMATE.start_main_~x~4 1) (<= 1 ULTIMATE.start_main_~x~4)), 19797#(and (<= 2 ULTIMATE.start_main_~x~4) (<= ULTIMATE.start_main_~x~4 2)), 19798#(and (<= 3 ULTIMATE.start_main_~x~4) (<= ULTIMATE.start_main_~x~4 3)), 19799#(and (<= ULTIMATE.start_main_~x~4 4) (<= 4 ULTIMATE.start_main_~x~4)), 19800#(and (<= ULTIMATE.start_main_~x~4 5) (<= 5 ULTIMATE.start_main_~x~4)), 19801#(and (<= 6 ULTIMATE.start_main_~x~4) (<= ULTIMATE.start_main_~x~4 6)), 19802#(and (<= ULTIMATE.start_main_~x~4 7) (<= 7 ULTIMATE.start_main_~x~4)), 19803#(and (<= ULTIMATE.start_main_~x~4 8) (<= 8 ULTIMATE.start_main_~x~4)), 19804#(and (<= 9 ULTIMATE.start_main_~x~4) (<= ULTIMATE.start_main_~x~4 9)), 19805#(and (<= ULTIMATE.start_main_~x~4 10) (<= 10 ULTIMATE.start_main_~x~4)), 19806#(and (<= ULTIMATE.start_main_~x~4 11) (<= 11 ULTIMATE.start_main_~x~4)), 19807#(and (<= 12 ULTIMATE.start_main_~x~4) (<= ULTIMATE.start_main_~x~4 12)), 19808#(and (<= ULTIMATE.start_main_~x~4 13) (<= 13 ULTIMATE.start_main_~x~4)), 19809#(and (<= 14 ULTIMATE.start_main_~x~4) (<= ULTIMATE.start_main_~x~4 14)), 19810#(and (<= 15 ULTIMATE.start_main_~x~4) (<= ULTIMATE.start_main_~x~4 15)), 19811#(and (<= ULTIMATE.start_main_~x~4 16) (<= 16 ULTIMATE.start_main_~x~4)), 19812#(and (<= ULTIMATE.start_main_~x~4 17) (<= 17 ULTIMATE.start_main_~x~4)), 19813#(and (<= 18 ULTIMATE.start_main_~x~4) (<= ULTIMATE.start_main_~x~4 18)), 19814#(and (<= 19 ULTIMATE.start_main_~x~4) (<= ULTIMATE.start_main_~x~4 19)), 19815#(and (<= 20 ULTIMATE.start_main_~x~4) (<= ULTIMATE.start_main_~x~4 20)), 19816#(and (<= ULTIMATE.start_main_~x~4 21) (<= 21 ULTIMATE.start_main_~x~4)), 19817#(and (<= ULTIMATE.start_main_~x~4 22) (<= 22 ULTIMATE.start_main_~x~4)), 19818#(and (<= ULTIMATE.start_main_~x~4 23) (<= 23 ULTIMATE.start_main_~x~4)), 19819#(and (<= ULTIMATE.start_main_~x~4 24) (<= 24 ULTIMATE.start_main_~x~4)), 19820#(and (<= ULTIMATE.start_main_~x~4 25) (<= 25 ULTIMATE.start_main_~x~4)), 19821#(and (<= ULTIMATE.start_main_~x~4 26) (<= 26 ULTIMATE.start_main_~x~4)), 19822#(and (<= ULTIMATE.start_main_~x~4 27) (<= 27 ULTIMATE.start_main_~x~4)), 19823#(and (<= ULTIMATE.start_main_~x~4 28) (<= 28 ULTIMATE.start_main_~x~4)), 19824#(and (<= 29 ULTIMATE.start_main_~x~4) (<= ULTIMATE.start_main_~x~4 29)), 19825#(and (<= ULTIMATE.start_main_~x~4 30) (<= 30 ULTIMATE.start_main_~x~4)), 19826#(and (<= ULTIMATE.start_main_~x~4 31) (<= 31 ULTIMATE.start_main_~x~4)), 19827#(and (<= ULTIMATE.start_main_~x~4 32) (<= 32 ULTIMATE.start_main_~x~4)), 19828#(and (<= ULTIMATE.start_main_~x~4 33) (<= 33 ULTIMATE.start_main_~x~4)), 19829#(and (<= 34 ULTIMATE.start_main_~x~4) (<= ULTIMATE.start_main_~x~4 34)), 19830#(and (<= ULTIMATE.start_main_~x~4 35) (<= 35 ULTIMATE.start_main_~x~4)), 19831#(and (<= 36 ULTIMATE.start_main_~x~4) (<= ULTIMATE.start_main_~x~4 36)), 19832#(and (<= ULTIMATE.start_main_~x~4 37) (<= 37 ULTIMATE.start_main_~x~4)), 19833#(and (<= 38 ULTIMATE.start_main_~x~4) (<= ULTIMATE.start_main_~x~4 38)), 19834#(and (<= ULTIMATE.start_main_~x~4 39) (<= 39 ULTIMATE.start_main_~x~4)), 19835#(and (<= ULTIMATE.start_main_~x~4 40) (<= 40 ULTIMATE.start_main_~x~4)), 19836#(and (<= ULTIMATE.start_main_~x~4 41) (<= 41 ULTIMATE.start_main_~x~4)), 19837#(and (<= ULTIMATE.start_main_~x~4 42) (<= 42 ULTIMATE.start_main_~x~4)), 19838#(and (<= ULTIMATE.start_main_~x~4 43) (<= 43 ULTIMATE.start_main_~x~4)), 19839#(and (<= 44 ULTIMATE.start_main_~x~4) (<= ULTIMATE.start_main_~x~4 44))] [2018-07-23 13:50:11,198 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 13:50:11,198 INFO L450 AbstractCegarLoop]: Interpolant automaton has 66 states [2018-07-23 13:50:11,198 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 66 interpolants. [2018-07-23 13:50:11,198 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=129, Invalid=4161, Unknown=0, NotChecked=0, Total=4290 [2018-07-23 13:50:11,199 INFO L87 Difference]: Start difference. First operand 131 states and 131 transitions. Second operand 66 states. [2018-07-23 13:50:11,530 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-07-23 13:50:11,530 INFO L93 Difference]: Finished difference Result 135 states and 135 transitions. [2018-07-23 13:50:11,530 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 66 states. [2018-07-23 13:50:11,530 INFO L78 Accepts]: Start accepts. Automaton has 66 states. Word has length 130 [2018-07-23 13:50:11,531 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-07-23 13:50:11,531 INFO L225 Difference]: With dead ends: 135 [2018-07-23 13:50:11,532 INFO L226 Difference]: Without dead ends: 133 [2018-07-23 13:50:11,532 INFO L575 BasicCegarLoop]: 0 DeclaredPredicates, 65 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 64 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=129, Invalid=4161, Unknown=0, NotChecked=0, Total=4290 [2018-07-23 13:50:11,533 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 133 states. [2018-07-23 13:50:11,540 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 133 to 133. [2018-07-23 13:50:11,540 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 133 states. [2018-07-23 13:50:11,540 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 133 states to 133 states and 133 transitions. [2018-07-23 13:50:11,541 INFO L78 Accepts]: Start accepts. Automaton has 133 states and 133 transitions. Word has length 130 [2018-07-23 13:50:11,541 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-07-23 13:50:11,541 INFO L471 AbstractCegarLoop]: Abstraction has 133 states and 133 transitions. [2018-07-23 13:50:11,541 INFO L472 AbstractCegarLoop]: Interpolant automaton has 66 states. [2018-07-23 13:50:11,541 INFO L276 IsEmpty]: Start isEmpty. Operand 133 states and 133 transitions. [2018-07-23 13:50:11,542 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 133 [2018-07-23 13:50:11,542 INFO L349 BasicCegarLoop]: Found error trace [2018-07-23 13:50:11,542 INFO L357 BasicCegarLoop]: trace histogram [65, 64, 1, 1, 1] [2018-07-23 13:50:11,542 INFO L414 AbstractCegarLoop]: === Iteration 65 === [ULTIMATE.startErr0AssertViolationASSERT]=== [2018-07-23 13:50:11,543 INFO L82 PathProgramCache]: Analyzing trace with hash -1373610425, now seen corresponding path program 64 times [2018-07-23 13:50:11,543 INFO L69 tionRefinementEngine]: Using refinement strategy FixedRefinementStrategy [2018-07-23 13:50:11,584 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-07-23 13:50:11,966 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 13:50:11,966 INFO L309 seRefinementStrategy]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2018-07-23 13:50:11,967 INFO L324 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [66] total 66 [2018-07-23 13:50:11,967 INFO L142 lantAutomatonBuilder]: Constructing canonical interpolant automaton, with selfloop in false state [2018-07-23 13:50:11,967 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-07-23 13:50:11,968 INFO L185 omatonBuilderFactory]: Interpolants [20395#true, 20396#false, 20397#(and (<= ULTIMATE.start_main_~x~4 0) (<= 0 ULTIMATE.start_main_~x~4)), 20398#(and (<= ULTIMATE.start_main_~x~4 1) (<= 1 ULTIMATE.start_main_~x~4)), 20399#(and (<= 2 ULTIMATE.start_main_~x~4) (<= ULTIMATE.start_main_~x~4 2)), 20400#(and (<= 3 ULTIMATE.start_main_~x~4) (<= ULTIMATE.start_main_~x~4 3)), 20401#(and (<= ULTIMATE.start_main_~x~4 4) (<= 4 ULTIMATE.start_main_~x~4)), 20402#(and (<= ULTIMATE.start_main_~x~4 5) (<= 5 ULTIMATE.start_main_~x~4)), 20403#(and (<= 6 ULTIMATE.start_main_~x~4) (<= ULTIMATE.start_main_~x~4 6)), 20404#(and (<= ULTIMATE.start_main_~x~4 7) (<= 7 ULTIMATE.start_main_~x~4)), 20405#(and (<= ULTIMATE.start_main_~x~4 8) (<= 8 ULTIMATE.start_main_~x~4)), 20406#(and (<= 9 ULTIMATE.start_main_~x~4) (<= ULTIMATE.start_main_~x~4 9)), 20407#(and (<= ULTIMATE.start_main_~x~4 10) (<= 10 ULTIMATE.start_main_~x~4)), 20408#(and (<= ULTIMATE.start_main_~x~4 11) (<= 11 ULTIMATE.start_main_~x~4)), 20409#(and (<= 12 ULTIMATE.start_main_~x~4) (<= ULTIMATE.start_main_~x~4 12)), 20410#(and (<= ULTIMATE.start_main_~x~4 13) (<= 13 ULTIMATE.start_main_~x~4)), 20411#(and (<= 14 ULTIMATE.start_main_~x~4) (<= ULTIMATE.start_main_~x~4 14)), 20412#(and (<= 15 ULTIMATE.start_main_~x~4) (<= ULTIMATE.start_main_~x~4 15)), 20413#(and (<= ULTIMATE.start_main_~x~4 16) (<= 16 ULTIMATE.start_main_~x~4)), 20414#(and (<= ULTIMATE.start_main_~x~4 17) (<= 17 ULTIMATE.start_main_~x~4)), 20415#(and (<= 18 ULTIMATE.start_main_~x~4) (<= ULTIMATE.start_main_~x~4 18)), 20416#(and (<= 19 ULTIMATE.start_main_~x~4) (<= ULTIMATE.start_main_~x~4 19)), 20417#(and (<= 20 ULTIMATE.start_main_~x~4) (<= ULTIMATE.start_main_~x~4 20)), 20418#(and (<= ULTIMATE.start_main_~x~4 21) (<= 21 ULTIMATE.start_main_~x~4)), 20419#(and (<= ULTIMATE.start_main_~x~4 22) (<= 22 ULTIMATE.start_main_~x~4)), 20420#(and (<= ULTIMATE.start_main_~x~4 23) (<= 23 ULTIMATE.start_main_~x~4)), 20421#(and (<= ULTIMATE.start_main_~x~4 24) (<= 24 ULTIMATE.start_main_~x~4)), 20422#(and (<= ULTIMATE.start_main_~x~4 25) (<= 25 ULTIMATE.start_main_~x~4)), 20423#(and (<= ULTIMATE.start_main_~x~4 26) (<= 26 ULTIMATE.start_main_~x~4)), 20424#(and (<= ULTIMATE.start_main_~x~4 27) (<= 27 ULTIMATE.start_main_~x~4)), 20425#(and (<= ULTIMATE.start_main_~x~4 28) (<= 28 ULTIMATE.start_main_~x~4)), 20426#(and (<= 29 ULTIMATE.start_main_~x~4) (<= ULTIMATE.start_main_~x~4 29)), 20427#(and (<= ULTIMATE.start_main_~x~4 30) (<= 30 ULTIMATE.start_main_~x~4)), 20428#(and (<= ULTIMATE.start_main_~x~4 31) (<= 31 ULTIMATE.start_main_~x~4)), 20429#(and (<= ULTIMATE.start_main_~x~4 32) (<= 32 ULTIMATE.start_main_~x~4)), 20430#(and (<= ULTIMATE.start_main_~x~4 33) (<= 33 ULTIMATE.start_main_~x~4)), 20431#(and (<= 34 ULTIMATE.start_main_~x~4) (<= ULTIMATE.start_main_~x~4 34)), 20432#(and (<= ULTIMATE.start_main_~x~4 35) (<= 35 ULTIMATE.start_main_~x~4)), 20433#(and (<= 36 ULTIMATE.start_main_~x~4) (<= ULTIMATE.start_main_~x~4 36)), 20434#(and (<= ULTIMATE.start_main_~x~4 37) (<= 37 ULTIMATE.start_main_~x~4)), 20435#(and (<= 38 ULTIMATE.start_main_~x~4) (<= ULTIMATE.start_main_~x~4 38)), 20436#(and (<= ULTIMATE.start_main_~x~4 39) (<= 39 ULTIMATE.start_main_~x~4)), 20437#(and (<= ULTIMATE.start_main_~x~4 40) (<= 40 ULTIMATE.start_main_~x~4)), 20438#(and (<= ULTIMATE.start_main_~x~4 41) (<= 41 ULTIMATE.start_main_~x~4)), 20439#(and (<= ULTIMATE.start_main_~x~4 42) (<= 42 ULTIMATE.start_main_~x~4)), 20440#(and (<= ULTIMATE.start_main_~x~4 43) (<= 43 ULTIMATE.start_main_~x~4)), 20441#(and (<= 44 ULTIMATE.start_main_~x~4) (<= ULTIMATE.start_main_~x~4 44)), 20442#(and (<= 45 ULTIMATE.start_main_~x~4) (<= ULTIMATE.start_main_~x~4 45)), 20443#(and (<= ULTIMATE.start_main_~x~4 46) (<= 46 ULTIMATE.start_main_~x~4)), 20444#(and (<= 47 ULTIMATE.start_main_~x~4) (<= ULTIMATE.start_main_~x~4 47)), 20445#(and (<= 48 ULTIMATE.start_main_~x~4) (<= ULTIMATE.start_main_~x~4 48)), 20446#(and (<= 49 ULTIMATE.start_main_~x~4) (<= ULTIMATE.start_main_~x~4 49)), 20447#(and (<= ULTIMATE.start_main_~x~4 50) (<= 50 ULTIMATE.start_main_~x~4)), 20448#(and (<= 51 ULTIMATE.start_main_~x~4) (<= ULTIMATE.start_main_~x~4 51)), 20449#(and (<= ULTIMATE.start_main_~x~4 52) (<= 52 ULTIMATE.start_main_~x~4)), 20450#(and (<= 53 ULTIMATE.start_main_~x~4) (<= ULTIMATE.start_main_~x~4 53)), 20451#(and (<= ULTIMATE.start_main_~x~4 54) (<= 54 ULTIMATE.start_main_~x~4)), 20452#(and (<= 55 ULTIMATE.start_main_~x~4) (<= ULTIMATE.start_main_~x~4 55)), 20453#(and (<= 56 ULTIMATE.start_main_~x~4) (<= ULTIMATE.start_main_~x~4 56)), 20454#(and (<= 57 ULTIMATE.start_main_~x~4) (<= ULTIMATE.start_main_~x~4 57)), 20455#(and (<= 58 ULTIMATE.start_main_~x~4) (<= ULTIMATE.start_main_~x~4 58)), 20456#(and (<= ULTIMATE.start_main_~x~4 59) (<= 59 ULTIMATE.start_main_~x~4)), 20457#(and (<= 60 ULTIMATE.start_main_~x~4) (<= ULTIMATE.start_main_~x~4 60)), 20458#(and (<= 61 ULTIMATE.start_main_~x~4) (<= ULTIMATE.start_main_~x~4 61)), 20459#(and (<= ULTIMATE.start_main_~x~4 62) (<= 62 ULTIMATE.start_main_~x~4)), 20460#(and (<= 63 ULTIMATE.start_main_~x~4) (<= ULTIMATE.start_main_~x~4 63)), 20461#(and (<= ULTIMATE.start_main_~x~4 64) (<= 64 ULTIMATE.start_main_~x~4))] [2018-07-23 13:50:11,968 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 13:50:11,968 INFO L450 AbstractCegarLoop]: Interpolant automaton has 67 states [2018-07-23 13:50:11,969 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 67 interpolants. [2018-07-23 13:50:11,969 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=131, Invalid=4291, Unknown=0, NotChecked=0, Total=4422 [2018-07-23 13:50:11,969 INFO L87 Difference]: Start difference. First operand 133 states and 133 transitions. Second operand 67 states. [2018-07-23 13:50:12,289 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-07-23 13:50:12,290 INFO L93 Difference]: Finished difference Result 137 states and 137 transitions. [2018-07-23 13:50:12,290 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 67 states. [2018-07-23 13:50:12,290 INFO L78 Accepts]: Start accepts. Automaton has 67 states. Word has length 132 [2018-07-23 13:50:12,290 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-07-23 13:50:12,291 INFO L225 Difference]: With dead ends: 137 [2018-07-23 13:50:12,291 INFO L226 Difference]: Without dead ends: 135 [2018-07-23 13:50:12,292 INFO L575 BasicCegarLoop]: 0 DeclaredPredicates, 66 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 65 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=131, Invalid=4291, Unknown=0, NotChecked=0, Total=4422 [2018-07-23 13:50:12,292 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 135 states. [2018-07-23 13:50:12,299 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 135 to 135. [2018-07-23 13:50:12,300 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 135 states. [2018-07-23 13:50:12,300 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 135 states to 135 states and 135 transitions. [2018-07-23 13:50:12,300 INFO L78 Accepts]: Start accepts. Automaton has 135 states and 135 transitions. Word has length 132 [2018-07-23 13:50:12,301 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-07-23 13:50:12,301 INFO L471 AbstractCegarLoop]: Abstraction has 135 states and 135 transitions. [2018-07-23 13:50:12,301 INFO L472 AbstractCegarLoop]: Interpolant automaton has 67 states. [2018-07-23 13:50:12,301 INFO L276 IsEmpty]: Start isEmpty. Operand 135 states and 135 transitions. [2018-07-23 13:50:12,301 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 135 [2018-07-23 13:50:12,302 INFO L349 BasicCegarLoop]: Found error trace [2018-07-23 13:50:12,302 INFO L357 BasicCegarLoop]: trace histogram [66, 65, 1, 1, 1] [2018-07-23 13:50:12,302 INFO L414 AbstractCegarLoop]: === Iteration 66 === [ULTIMATE.startErr0AssertViolationASSERT]=== [2018-07-23 13:50:12,302 INFO L82 PathProgramCache]: Analyzing trace with hash -1484606463, now seen corresponding path program 65 times [2018-07-23 13:50:12,302 INFO L69 tionRefinementEngine]: Using refinement strategy FixedRefinementStrategy [2018-07-23 13:50:12,344 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-07-23 13:50:12,747 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 13:50:12,747 INFO L309 seRefinementStrategy]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2018-07-23 13:50:12,748 INFO L324 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [67] total 67 [2018-07-23 13:50:12,748 INFO L142 lantAutomatonBuilder]: Constructing canonical interpolant automaton, with selfloop in false state [2018-07-23 13:50:12,748 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-07-23 13:50:12,749 INFO L185 omatonBuilderFactory]: Interpolants [21006#true, 21007#false, 21008#(and (<= ULTIMATE.start_main_~x~4 0) (<= 0 ULTIMATE.start_main_~x~4)), 21009#(and (<= ULTIMATE.start_main_~x~4 1) (<= 1 ULTIMATE.start_main_~x~4)), 21010#(and (<= 2 ULTIMATE.start_main_~x~4) (<= ULTIMATE.start_main_~x~4 2)), 21011#(and (<= 3 ULTIMATE.start_main_~x~4) (<= ULTIMATE.start_main_~x~4 3)), 21012#(and (<= ULTIMATE.start_main_~x~4 4) (<= 4 ULTIMATE.start_main_~x~4)), 21013#(and (<= ULTIMATE.start_main_~x~4 5) (<= 5 ULTIMATE.start_main_~x~4)), 21014#(and (<= 6 ULTIMATE.start_main_~x~4) (<= ULTIMATE.start_main_~x~4 6)), 21015#(and (<= ULTIMATE.start_main_~x~4 7) (<= 7 ULTIMATE.start_main_~x~4)), 21016#(and (<= ULTIMATE.start_main_~x~4 8) (<= 8 ULTIMATE.start_main_~x~4)), 21017#(and (<= 9 ULTIMATE.start_main_~x~4) (<= ULTIMATE.start_main_~x~4 9)), 21018#(and (<= ULTIMATE.start_main_~x~4 10) (<= 10 ULTIMATE.start_main_~x~4)), 21019#(and (<= ULTIMATE.start_main_~x~4 11) (<= 11 ULTIMATE.start_main_~x~4)), 21020#(and (<= 12 ULTIMATE.start_main_~x~4) (<= ULTIMATE.start_main_~x~4 12)), 21021#(and (<= ULTIMATE.start_main_~x~4 13) (<= 13 ULTIMATE.start_main_~x~4)), 21022#(and (<= 14 ULTIMATE.start_main_~x~4) (<= ULTIMATE.start_main_~x~4 14)), 21023#(and (<= 15 ULTIMATE.start_main_~x~4) (<= ULTIMATE.start_main_~x~4 15)), 21024#(and (<= ULTIMATE.start_main_~x~4 16) (<= 16 ULTIMATE.start_main_~x~4)), 21025#(and (<= ULTIMATE.start_main_~x~4 17) (<= 17 ULTIMATE.start_main_~x~4)), 21026#(and (<= 18 ULTIMATE.start_main_~x~4) (<= ULTIMATE.start_main_~x~4 18)), 21027#(and (<= 19 ULTIMATE.start_main_~x~4) (<= ULTIMATE.start_main_~x~4 19)), 21028#(and (<= 20 ULTIMATE.start_main_~x~4) (<= ULTIMATE.start_main_~x~4 20)), 21029#(and (<= ULTIMATE.start_main_~x~4 21) (<= 21 ULTIMATE.start_main_~x~4)), 21030#(and (<= ULTIMATE.start_main_~x~4 22) (<= 22 ULTIMATE.start_main_~x~4)), 21031#(and (<= ULTIMATE.start_main_~x~4 23) (<= 23 ULTIMATE.start_main_~x~4)), 21032#(and (<= ULTIMATE.start_main_~x~4 24) (<= 24 ULTIMATE.start_main_~x~4)), 21033#(and (<= ULTIMATE.start_main_~x~4 25) (<= 25 ULTIMATE.start_main_~x~4)), 21034#(and (<= ULTIMATE.start_main_~x~4 26) (<= 26 ULTIMATE.start_main_~x~4)), 21035#(and (<= ULTIMATE.start_main_~x~4 27) (<= 27 ULTIMATE.start_main_~x~4)), 21036#(and (<= ULTIMATE.start_main_~x~4 28) (<= 28 ULTIMATE.start_main_~x~4)), 21037#(and (<= 29 ULTIMATE.start_main_~x~4) (<= ULTIMATE.start_main_~x~4 29)), 21038#(and (<= ULTIMATE.start_main_~x~4 30) (<= 30 ULTIMATE.start_main_~x~4)), 21039#(and (<= ULTIMATE.start_main_~x~4 31) (<= 31 ULTIMATE.start_main_~x~4)), 21040#(and (<= ULTIMATE.start_main_~x~4 32) (<= 32 ULTIMATE.start_main_~x~4)), 21041#(and (<= ULTIMATE.start_main_~x~4 33) (<= 33 ULTIMATE.start_main_~x~4)), 21042#(and (<= 34 ULTIMATE.start_main_~x~4) (<= ULTIMATE.start_main_~x~4 34)), 21043#(and (<= ULTIMATE.start_main_~x~4 35) (<= 35 ULTIMATE.start_main_~x~4)), 21044#(and (<= 36 ULTIMATE.start_main_~x~4) (<= ULTIMATE.start_main_~x~4 36)), 21045#(and (<= ULTIMATE.start_main_~x~4 37) (<= 37 ULTIMATE.start_main_~x~4)), 21046#(and (<= 38 ULTIMATE.start_main_~x~4) (<= ULTIMATE.start_main_~x~4 38)), 21047#(and (<= ULTIMATE.start_main_~x~4 39) (<= 39 ULTIMATE.start_main_~x~4)), 21048#(and (<= ULTIMATE.start_main_~x~4 40) (<= 40 ULTIMATE.start_main_~x~4)), 21049#(and (<= ULTIMATE.start_main_~x~4 41) (<= 41 ULTIMATE.start_main_~x~4)), 21050#(and (<= ULTIMATE.start_main_~x~4 42) (<= 42 ULTIMATE.start_main_~x~4)), 21051#(and (<= ULTIMATE.start_main_~x~4 43) (<= 43 ULTIMATE.start_main_~x~4)), 21052#(and (<= 44 ULTIMATE.start_main_~x~4) (<= ULTIMATE.start_main_~x~4 44)), 21053#(and (<= 45 ULTIMATE.start_main_~x~4) (<= ULTIMATE.start_main_~x~4 45)), 21054#(and (<= ULTIMATE.start_main_~x~4 46) (<= 46 ULTIMATE.start_main_~x~4)), 21055#(and (<= 47 ULTIMATE.start_main_~x~4) (<= ULTIMATE.start_main_~x~4 47)), 21056#(and (<= 48 ULTIMATE.start_main_~x~4) (<= ULTIMATE.start_main_~x~4 48)), 21057#(and (<= 49 ULTIMATE.start_main_~x~4) (<= ULTIMATE.start_main_~x~4 49)), 21058#(and (<= ULTIMATE.start_main_~x~4 50) (<= 50 ULTIMATE.start_main_~x~4)), 21059#(and (<= 51 ULTIMATE.start_main_~x~4) (<= ULTIMATE.start_main_~x~4 51)), 21060#(and (<= ULTIMATE.start_main_~x~4 52) (<= 52 ULTIMATE.start_main_~x~4)), 21061#(and (<= 53 ULTIMATE.start_main_~x~4) (<= ULTIMATE.start_main_~x~4 53)), 21062#(and (<= ULTIMATE.start_main_~x~4 54) (<= 54 ULTIMATE.start_main_~x~4)), 21063#(and (<= 55 ULTIMATE.start_main_~x~4) (<= ULTIMATE.start_main_~x~4 55)), 21064#(and (<= 56 ULTIMATE.start_main_~x~4) (<= ULTIMATE.start_main_~x~4 56)), 21065#(and (<= 57 ULTIMATE.start_main_~x~4) (<= ULTIMATE.start_main_~x~4 57)), 21066#(and (<= 58 ULTIMATE.start_main_~x~4) (<= ULTIMATE.start_main_~x~4 58)), 21067#(and (<= ULTIMATE.start_main_~x~4 59) (<= 59 ULTIMATE.start_main_~x~4)), 21068#(and (<= 60 ULTIMATE.start_main_~x~4) (<= ULTIMATE.start_main_~x~4 60)), 21069#(and (<= 61 ULTIMATE.start_main_~x~4) (<= ULTIMATE.start_main_~x~4 61)), 21070#(and (<= ULTIMATE.start_main_~x~4 62) (<= 62 ULTIMATE.start_main_~x~4)), 21071#(and (<= 63 ULTIMATE.start_main_~x~4) (<= ULTIMATE.start_main_~x~4 63)), 21072#(and (<= ULTIMATE.start_main_~x~4 64) (<= 64 ULTIMATE.start_main_~x~4)), 21073#(and (<= 65 ULTIMATE.start_main_~x~4) (<= ULTIMATE.start_main_~x~4 65))] [2018-07-23 13:50:12,749 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 13:50:12,749 INFO L450 AbstractCegarLoop]: Interpolant automaton has 68 states [2018-07-23 13:50:12,750 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 68 interpolants. [2018-07-23 13:50:12,750 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=133, Invalid=4423, Unknown=0, NotChecked=0, Total=4556 [2018-07-23 13:50:12,751 INFO L87 Difference]: Start difference. First operand 135 states and 135 transitions. Second operand 68 states. [2018-07-23 13:50:13,278 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-07-23 13:50:13,278 INFO L93 Difference]: Finished difference Result 139 states and 139 transitions. [2018-07-23 13:50:13,278 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 68 states. [2018-07-23 13:50:13,278 INFO L78 Accepts]: Start accepts. Automaton has 68 states. Word has length 134 [2018-07-23 13:50:13,279 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-07-23 13:50:13,279 INFO L225 Difference]: With dead ends: 139 [2018-07-23 13:50:13,280 INFO L226 Difference]: Without dead ends: 137 [2018-07-23 13:50:13,280 INFO L575 BasicCegarLoop]: 0 DeclaredPredicates, 67 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 66 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=133, Invalid=4423, Unknown=0, NotChecked=0, Total=4556 [2018-07-23 13:50:13,281 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 137 states. [2018-07-23 13:50:13,288 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 137 to 137. [2018-07-23 13:50:13,288 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 137 states. [2018-07-23 13:50:13,289 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 137 states to 137 states and 137 transitions. [2018-07-23 13:50:13,289 INFO L78 Accepts]: Start accepts. Automaton has 137 states and 137 transitions. Word has length 134 [2018-07-23 13:50:13,290 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-07-23 13:50:13,290 INFO L471 AbstractCegarLoop]: Abstraction has 137 states and 137 transitions. [2018-07-23 13:50:13,290 INFO L472 AbstractCegarLoop]: Interpolant automaton has 68 states. [2018-07-23 13:50:13,290 INFO L276 IsEmpty]: Start isEmpty. Operand 137 states and 137 transitions. [2018-07-23 13:50:13,291 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 137 [2018-07-23 13:50:13,291 INFO L349 BasicCegarLoop]: Found error trace [2018-07-23 13:50:13,291 INFO L357 BasicCegarLoop]: trace histogram [67, 66, 1, 1, 1] [2018-07-23 13:50:13,291 INFO L414 AbstractCegarLoop]: === Iteration 67 === [ULTIMATE.startErr0AssertViolationASSERT]=== [2018-07-23 13:50:13,292 INFO L82 PathProgramCache]: Analyzing trace with hash -777616581, now seen corresponding path program 66 times [2018-07-23 13:50:13,292 INFO L69 tionRefinementEngine]: Using refinement strategy FixedRefinementStrategy [2018-07-23 13:50:13,347 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-07-23 13:50:13,724 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 13:50:13,724 INFO L309 seRefinementStrategy]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2018-07-23 13:50:13,724 INFO L324 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [68] total 68 [2018-07-23 13:50:13,724 INFO L142 lantAutomatonBuilder]: Constructing canonical interpolant automaton, with selfloop in false state [2018-07-23 13:50:13,724 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-07-23 13:50:13,725 INFO L185 omatonBuilderFactory]: Interpolants [21632#(and (<= ULTIMATE.start_main_~x~4 4) (<= 4 ULTIMATE.start_main_~x~4)), 21633#(and (<= ULTIMATE.start_main_~x~4 5) (<= 5 ULTIMATE.start_main_~x~4)), 21634#(and (<= 6 ULTIMATE.start_main_~x~4) (<= ULTIMATE.start_main_~x~4 6)), 21635#(and (<= ULTIMATE.start_main_~x~4 7) (<= 7 ULTIMATE.start_main_~x~4)), 21636#(and (<= ULTIMATE.start_main_~x~4 8) (<= 8 ULTIMATE.start_main_~x~4)), 21637#(and (<= 9 ULTIMATE.start_main_~x~4) (<= ULTIMATE.start_main_~x~4 9)), 21638#(and (<= ULTIMATE.start_main_~x~4 10) (<= 10 ULTIMATE.start_main_~x~4)), 21639#(and (<= ULTIMATE.start_main_~x~4 11) (<= 11 ULTIMATE.start_main_~x~4)), 21640#(and (<= 12 ULTIMATE.start_main_~x~4) (<= ULTIMATE.start_main_~x~4 12)), 21641#(and (<= ULTIMATE.start_main_~x~4 13) (<= 13 ULTIMATE.start_main_~x~4)), 21642#(and (<= 14 ULTIMATE.start_main_~x~4) (<= ULTIMATE.start_main_~x~4 14)), 21643#(and (<= 15 ULTIMATE.start_main_~x~4) (<= ULTIMATE.start_main_~x~4 15)), 21644#(and (<= ULTIMATE.start_main_~x~4 16) (<= 16 ULTIMATE.start_main_~x~4)), 21645#(and (<= ULTIMATE.start_main_~x~4 17) (<= 17 ULTIMATE.start_main_~x~4)), 21646#(and (<= 18 ULTIMATE.start_main_~x~4) (<= ULTIMATE.start_main_~x~4 18)), 21647#(and (<= 19 ULTIMATE.start_main_~x~4) (<= ULTIMATE.start_main_~x~4 19)), 21648#(and (<= 20 ULTIMATE.start_main_~x~4) (<= ULTIMATE.start_main_~x~4 20)), 21649#(and (<= ULTIMATE.start_main_~x~4 21) (<= 21 ULTIMATE.start_main_~x~4)), 21650#(and (<= ULTIMATE.start_main_~x~4 22) (<= 22 ULTIMATE.start_main_~x~4)), 21651#(and (<= ULTIMATE.start_main_~x~4 23) (<= 23 ULTIMATE.start_main_~x~4)), 21652#(and (<= ULTIMATE.start_main_~x~4 24) (<= 24 ULTIMATE.start_main_~x~4)), 21653#(and (<= ULTIMATE.start_main_~x~4 25) (<= 25 ULTIMATE.start_main_~x~4)), 21654#(and (<= ULTIMATE.start_main_~x~4 26) (<= 26 ULTIMATE.start_main_~x~4)), 21655#(and (<= ULTIMATE.start_main_~x~4 27) (<= 27 ULTIMATE.start_main_~x~4)), 21656#(and (<= ULTIMATE.start_main_~x~4 28) (<= 28 ULTIMATE.start_main_~x~4)), 21657#(and (<= 29 ULTIMATE.start_main_~x~4) (<= ULTIMATE.start_main_~x~4 29)), 21658#(and (<= ULTIMATE.start_main_~x~4 30) (<= 30 ULTIMATE.start_main_~x~4)), 21659#(and (<= ULTIMATE.start_main_~x~4 31) (<= 31 ULTIMATE.start_main_~x~4)), 21660#(and (<= ULTIMATE.start_main_~x~4 32) (<= 32 ULTIMATE.start_main_~x~4)), 21661#(and (<= ULTIMATE.start_main_~x~4 33) (<= 33 ULTIMATE.start_main_~x~4)), 21662#(and (<= 34 ULTIMATE.start_main_~x~4) (<= ULTIMATE.start_main_~x~4 34)), 21663#(and (<= ULTIMATE.start_main_~x~4 35) (<= 35 ULTIMATE.start_main_~x~4)), 21664#(and (<= 36 ULTIMATE.start_main_~x~4) (<= ULTIMATE.start_main_~x~4 36)), 21665#(and (<= ULTIMATE.start_main_~x~4 37) (<= 37 ULTIMATE.start_main_~x~4)), 21666#(and (<= 38 ULTIMATE.start_main_~x~4) (<= ULTIMATE.start_main_~x~4 38)), 21667#(and (<= ULTIMATE.start_main_~x~4 39) (<= 39 ULTIMATE.start_main_~x~4)), 21668#(and (<= ULTIMATE.start_main_~x~4 40) (<= 40 ULTIMATE.start_main_~x~4)), 21669#(and (<= ULTIMATE.start_main_~x~4 41) (<= 41 ULTIMATE.start_main_~x~4)), 21670#(and (<= ULTIMATE.start_main_~x~4 42) (<= 42 ULTIMATE.start_main_~x~4)), 21671#(and (<= ULTIMATE.start_main_~x~4 43) (<= 43 ULTIMATE.start_main_~x~4)), 21672#(and (<= 44 ULTIMATE.start_main_~x~4) (<= ULTIMATE.start_main_~x~4 44)), 21673#(and (<= 45 ULTIMATE.start_main_~x~4) (<= ULTIMATE.start_main_~x~4 45)), 21674#(and (<= ULTIMATE.start_main_~x~4 46) (<= 46 ULTIMATE.start_main_~x~4)), 21675#(and (<= 47 ULTIMATE.start_main_~x~4) (<= ULTIMATE.start_main_~x~4 47)), 21676#(and (<= 48 ULTIMATE.start_main_~x~4) (<= ULTIMATE.start_main_~x~4 48)), 21677#(and (<= 49 ULTIMATE.start_main_~x~4) (<= ULTIMATE.start_main_~x~4 49)), 21678#(and (<= ULTIMATE.start_main_~x~4 50) (<= 50 ULTIMATE.start_main_~x~4)), 21679#(and (<= 51 ULTIMATE.start_main_~x~4) (<= ULTIMATE.start_main_~x~4 51)), 21680#(and (<= ULTIMATE.start_main_~x~4 52) (<= 52 ULTIMATE.start_main_~x~4)), 21681#(and (<= 53 ULTIMATE.start_main_~x~4) (<= ULTIMATE.start_main_~x~4 53)), 21682#(and (<= ULTIMATE.start_main_~x~4 54) (<= 54 ULTIMATE.start_main_~x~4)), 21683#(and (<= 55 ULTIMATE.start_main_~x~4) (<= ULTIMATE.start_main_~x~4 55)), 21684#(and (<= 56 ULTIMATE.start_main_~x~4) (<= ULTIMATE.start_main_~x~4 56)), 21685#(and (<= 57 ULTIMATE.start_main_~x~4) (<= ULTIMATE.start_main_~x~4 57)), 21686#(and (<= 58 ULTIMATE.start_main_~x~4) (<= ULTIMATE.start_main_~x~4 58)), 21687#(and (<= ULTIMATE.start_main_~x~4 59) (<= 59 ULTIMATE.start_main_~x~4)), 21688#(and (<= 60 ULTIMATE.start_main_~x~4) (<= ULTIMATE.start_main_~x~4 60)), 21689#(and (<= 61 ULTIMATE.start_main_~x~4) (<= ULTIMATE.start_main_~x~4 61)), 21690#(and (<= ULTIMATE.start_main_~x~4 62) (<= 62 ULTIMATE.start_main_~x~4)), 21691#(and (<= 63 ULTIMATE.start_main_~x~4) (<= ULTIMATE.start_main_~x~4 63)), 21692#(and (<= ULTIMATE.start_main_~x~4 64) (<= 64 ULTIMATE.start_main_~x~4)), 21693#(and (<= 65 ULTIMATE.start_main_~x~4) (<= ULTIMATE.start_main_~x~4 65)), 21694#(and (<= 66 ULTIMATE.start_main_~x~4) (<= ULTIMATE.start_main_~x~4 66)), 21626#true, 21627#false, 21628#(and (<= ULTIMATE.start_main_~x~4 0) (<= 0 ULTIMATE.start_main_~x~4)), 21629#(and (<= ULTIMATE.start_main_~x~4 1) (<= 1 ULTIMATE.start_main_~x~4)), 21630#(and (<= 2 ULTIMATE.start_main_~x~4) (<= ULTIMATE.start_main_~x~4 2)), 21631#(and (<= 3 ULTIMATE.start_main_~x~4) (<= ULTIMATE.start_main_~x~4 3))] [2018-07-23 13:50:13,725 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 13:50:13,725 INFO L450 AbstractCegarLoop]: Interpolant automaton has 69 states [2018-07-23 13:50:13,726 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 69 interpolants. [2018-07-23 13:50:13,726 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=135, Invalid=4557, Unknown=0, NotChecked=0, Total=4692 [2018-07-23 13:50:13,726 INFO L87 Difference]: Start difference. First operand 137 states and 137 transitions. Second operand 69 states. [2018-07-23 13:50:14,080 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-07-23 13:50:14,080 INFO L93 Difference]: Finished difference Result 141 states and 141 transitions. [2018-07-23 13:50:14,080 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 69 states. [2018-07-23 13:50:14,080 INFO L78 Accepts]: Start accepts. Automaton has 69 states. Word has length 136 [2018-07-23 13:50:14,081 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-07-23 13:50:14,081 INFO L225 Difference]: With dead ends: 141 [2018-07-23 13:50:14,081 INFO L226 Difference]: Without dead ends: 139 [2018-07-23 13:50:14,082 INFO L575 BasicCegarLoop]: 0 DeclaredPredicates, 68 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 67 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=135, Invalid=4557, Unknown=0, NotChecked=0, Total=4692 [2018-07-23 13:50:14,082 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 139 states. [2018-07-23 13:50:14,090 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 139 to 139. [2018-07-23 13:50:14,091 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 139 states. [2018-07-23 13:50:14,091 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 139 states to 139 states and 139 transitions. [2018-07-23 13:50:14,091 INFO L78 Accepts]: Start accepts. Automaton has 139 states and 139 transitions. Word has length 136 [2018-07-23 13:50:14,092 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-07-23 13:50:14,092 INFO L471 AbstractCegarLoop]: Abstraction has 139 states and 139 transitions. [2018-07-23 13:50:14,092 INFO L472 AbstractCegarLoop]: Interpolant automaton has 69 states. [2018-07-23 13:50:14,092 INFO L276 IsEmpty]: Start isEmpty. Operand 139 states and 139 transitions. [2018-07-23 13:50:14,092 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 139 [2018-07-23 13:50:14,093 INFO L349 BasicCegarLoop]: Found error trace [2018-07-23 13:50:14,093 INFO L357 BasicCegarLoop]: trace histogram [68, 67, 1, 1, 1] [2018-07-23 13:50:14,093 INFO L414 AbstractCegarLoop]: === Iteration 68 === [ULTIMATE.startErr0AssertViolationASSERT]=== [2018-07-23 13:50:14,093 INFO L82 PathProgramCache]: Analyzing trace with hash 34827253, now seen corresponding path program 67 times [2018-07-23 13:50:14,093 INFO L69 tionRefinementEngine]: Using refinement strategy FixedRefinementStrategy [2018-07-23 13:50:14,143 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-07-23 13:50:14,508 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 13:50:14,508 INFO L309 seRefinementStrategy]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2018-07-23 13:50:14,508 INFO L324 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [69] total 69 [2018-07-23 13:50:14,508 INFO L142 lantAutomatonBuilder]: Constructing canonical interpolant automaton, with selfloop in false state [2018-07-23 13:50:14,508 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 13:50:14,509 INFO L185 omatonBuilderFactory]: Interpolants [22272#(and (<= 15 ULTIMATE.start_main_~x~4) (<= ULTIMATE.start_main_~x~4 15)), 22273#(and (<= ULTIMATE.start_main_~x~4 16) (<= 16 ULTIMATE.start_main_~x~4)), 22274#(and (<= ULTIMATE.start_main_~x~4 17) (<= 17 ULTIMATE.start_main_~x~4)), 22275#(and (<= 18 ULTIMATE.start_main_~x~4) (<= ULTIMATE.start_main_~x~4 18)), 22276#(and (<= 19 ULTIMATE.start_main_~x~4) (<= ULTIMATE.start_main_~x~4 19)), 22277#(and (<= 20 ULTIMATE.start_main_~x~4) (<= ULTIMATE.start_main_~x~4 20)), 22278#(and (<= ULTIMATE.start_main_~x~4 21) (<= 21 ULTIMATE.start_main_~x~4)), 22279#(and (<= ULTIMATE.start_main_~x~4 22) (<= 22 ULTIMATE.start_main_~x~4)), 22280#(and (<= ULTIMATE.start_main_~x~4 23) (<= 23 ULTIMATE.start_main_~x~4)), 22281#(and (<= ULTIMATE.start_main_~x~4 24) (<= 24 ULTIMATE.start_main_~x~4)), 22282#(and (<= ULTIMATE.start_main_~x~4 25) (<= 25 ULTIMATE.start_main_~x~4)), 22283#(and (<= ULTIMATE.start_main_~x~4 26) (<= 26 ULTIMATE.start_main_~x~4)), 22284#(and (<= ULTIMATE.start_main_~x~4 27) (<= 27 ULTIMATE.start_main_~x~4)), 22285#(and (<= ULTIMATE.start_main_~x~4 28) (<= 28 ULTIMATE.start_main_~x~4)), 22286#(and (<= 29 ULTIMATE.start_main_~x~4) (<= ULTIMATE.start_main_~x~4 29)), 22287#(and (<= ULTIMATE.start_main_~x~4 30) (<= 30 ULTIMATE.start_main_~x~4)), 22288#(and (<= ULTIMATE.start_main_~x~4 31) (<= 31 ULTIMATE.start_main_~x~4)), 22289#(and (<= ULTIMATE.start_main_~x~4 32) (<= 32 ULTIMATE.start_main_~x~4)), 22290#(and (<= ULTIMATE.start_main_~x~4 33) (<= 33 ULTIMATE.start_main_~x~4)), 22291#(and (<= 34 ULTIMATE.start_main_~x~4) (<= ULTIMATE.start_main_~x~4 34)), 22292#(and (<= ULTIMATE.start_main_~x~4 35) (<= 35 ULTIMATE.start_main_~x~4)), 22293#(and (<= 36 ULTIMATE.start_main_~x~4) (<= ULTIMATE.start_main_~x~4 36)), 22294#(and (<= ULTIMATE.start_main_~x~4 37) (<= 37 ULTIMATE.start_main_~x~4)), 22295#(and (<= 38 ULTIMATE.start_main_~x~4) (<= ULTIMATE.start_main_~x~4 38)), 22296#(and (<= ULTIMATE.start_main_~x~4 39) (<= 39 ULTIMATE.start_main_~x~4)), 22297#(and (<= ULTIMATE.start_main_~x~4 40) (<= 40 ULTIMATE.start_main_~x~4)), 22298#(and (<= ULTIMATE.start_main_~x~4 41) (<= 41 ULTIMATE.start_main_~x~4)), 22299#(and (<= ULTIMATE.start_main_~x~4 42) (<= 42 ULTIMATE.start_main_~x~4)), 22300#(and (<= ULTIMATE.start_main_~x~4 43) (<= 43 ULTIMATE.start_main_~x~4)), 22301#(and (<= 44 ULTIMATE.start_main_~x~4) (<= ULTIMATE.start_main_~x~4 44)), 22302#(and (<= 45 ULTIMATE.start_main_~x~4) (<= ULTIMATE.start_main_~x~4 45)), 22303#(and (<= ULTIMATE.start_main_~x~4 46) (<= 46 ULTIMATE.start_main_~x~4)), 22304#(and (<= 47 ULTIMATE.start_main_~x~4) (<= ULTIMATE.start_main_~x~4 47)), 22305#(and (<= 48 ULTIMATE.start_main_~x~4) (<= ULTIMATE.start_main_~x~4 48)), 22306#(and (<= 49 ULTIMATE.start_main_~x~4) (<= ULTIMATE.start_main_~x~4 49)), 22307#(and (<= ULTIMATE.start_main_~x~4 50) (<= 50 ULTIMATE.start_main_~x~4)), 22308#(and (<= 51 ULTIMATE.start_main_~x~4) (<= ULTIMATE.start_main_~x~4 51)), 22309#(and (<= ULTIMATE.start_main_~x~4 52) (<= 52 ULTIMATE.start_main_~x~4)), 22310#(and (<= 53 ULTIMATE.start_main_~x~4) (<= ULTIMATE.start_main_~x~4 53)), 22311#(and (<= ULTIMATE.start_main_~x~4 54) (<= 54 ULTIMATE.start_main_~x~4)), 22312#(and (<= 55 ULTIMATE.start_main_~x~4) (<= ULTIMATE.start_main_~x~4 55)), 22313#(and (<= 56 ULTIMATE.start_main_~x~4) (<= ULTIMATE.start_main_~x~4 56)), 22314#(and (<= 57 ULTIMATE.start_main_~x~4) (<= ULTIMATE.start_main_~x~4 57)), 22315#(and (<= 58 ULTIMATE.start_main_~x~4) (<= ULTIMATE.start_main_~x~4 58)), 22316#(and (<= ULTIMATE.start_main_~x~4 59) (<= 59 ULTIMATE.start_main_~x~4)), 22317#(and (<= 60 ULTIMATE.start_main_~x~4) (<= ULTIMATE.start_main_~x~4 60)), 22318#(and (<= 61 ULTIMATE.start_main_~x~4) (<= ULTIMATE.start_main_~x~4 61)), 22319#(and (<= ULTIMATE.start_main_~x~4 62) (<= 62 ULTIMATE.start_main_~x~4)), 22320#(and (<= 63 ULTIMATE.start_main_~x~4) (<= ULTIMATE.start_main_~x~4 63)), 22321#(and (<= ULTIMATE.start_main_~x~4 64) (<= 64 ULTIMATE.start_main_~x~4)), 22322#(and (<= 65 ULTIMATE.start_main_~x~4) (<= ULTIMATE.start_main_~x~4 65)), 22323#(and (<= 66 ULTIMATE.start_main_~x~4) (<= ULTIMATE.start_main_~x~4 66)), 22324#(and (<= 67 ULTIMATE.start_main_~x~4) (<= ULTIMATE.start_main_~x~4 67)), 22255#true, 22256#false, 22257#(and (<= ULTIMATE.start_main_~x~4 0) (<= 0 ULTIMATE.start_main_~x~4)), 22258#(and (<= ULTIMATE.start_main_~x~4 1) (<= 1 ULTIMATE.start_main_~x~4)), 22259#(and (<= 2 ULTIMATE.start_main_~x~4) (<= ULTIMATE.start_main_~x~4 2)), 22260#(and (<= 3 ULTIMATE.start_main_~x~4) (<= ULTIMATE.start_main_~x~4 3)), 22261#(and (<= ULTIMATE.start_main_~x~4 4) (<= 4 ULTIMATE.start_main_~x~4)), 22262#(and (<= ULTIMATE.start_main_~x~4 5) (<= 5 ULTIMATE.start_main_~x~4)), 22263#(and (<= 6 ULTIMATE.start_main_~x~4) (<= ULTIMATE.start_main_~x~4 6)), 22264#(and (<= ULTIMATE.start_main_~x~4 7) (<= 7 ULTIMATE.start_main_~x~4)), 22265#(and (<= ULTIMATE.start_main_~x~4 8) (<= 8 ULTIMATE.start_main_~x~4)), 22266#(and (<= 9 ULTIMATE.start_main_~x~4) (<= ULTIMATE.start_main_~x~4 9)), 22267#(and (<= ULTIMATE.start_main_~x~4 10) (<= 10 ULTIMATE.start_main_~x~4)), 22268#(and (<= ULTIMATE.start_main_~x~4 11) (<= 11 ULTIMATE.start_main_~x~4)), 22269#(and (<= 12 ULTIMATE.start_main_~x~4) (<= ULTIMATE.start_main_~x~4 12)), 22270#(and (<= ULTIMATE.start_main_~x~4 13) (<= 13 ULTIMATE.start_main_~x~4)), 22271#(and (<= 14 ULTIMATE.start_main_~x~4) (<= ULTIMATE.start_main_~x~4 14))] [2018-07-23 13:50:14,509 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 13:50:14,509 INFO L450 AbstractCegarLoop]: Interpolant automaton has 70 states [2018-07-23 13:50:14,509 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 70 interpolants. [2018-07-23 13:50:14,510 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=137, Invalid=4693, Unknown=0, NotChecked=0, Total=4830 [2018-07-23 13:50:14,510 INFO L87 Difference]: Start difference. First operand 139 states and 139 transitions. Second operand 70 states. [2018-07-23 13:50:14,933 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-07-23 13:50:14,933 INFO L93 Difference]: Finished difference Result 143 states and 143 transitions. [2018-07-23 13:50:14,934 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 70 states. [2018-07-23 13:50:14,934 INFO L78 Accepts]: Start accepts. Automaton has 70 states. Word has length 138 [2018-07-23 13:50:14,934 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-07-23 13:50:14,935 INFO L225 Difference]: With dead ends: 143 [2018-07-23 13:50:14,935 INFO L226 Difference]: Without dead ends: 141 [2018-07-23 13:50:14,936 INFO L575 BasicCegarLoop]: 0 DeclaredPredicates, 69 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 68 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=137, Invalid=4693, Unknown=0, NotChecked=0, Total=4830 [2018-07-23 13:50:14,936 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 141 states. [2018-07-23 13:50:14,945 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 141 to 141. [2018-07-23 13:50:14,945 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 141 states. [2018-07-23 13:50:14,946 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 141 states to 141 states and 141 transitions. [2018-07-23 13:50:14,946 INFO L78 Accepts]: Start accepts. Automaton has 141 states and 141 transitions. Word has length 138 [2018-07-23 13:50:14,946 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-07-23 13:50:14,947 INFO L471 AbstractCegarLoop]: Abstraction has 141 states and 141 transitions. [2018-07-23 13:50:14,947 INFO L472 AbstractCegarLoop]: Interpolant automaton has 70 states. [2018-07-23 13:50:14,947 INFO L276 IsEmpty]: Start isEmpty. Operand 141 states and 141 transitions. [2018-07-23 13:50:14,948 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 141 [2018-07-23 13:50:14,948 INFO L349 BasicCegarLoop]: Found error trace [2018-07-23 13:50:14,948 INFO L357 BasicCegarLoop]: trace histogram [69, 68, 1, 1, 1] [2018-07-23 13:50:14,948 INFO L414 AbstractCegarLoop]: === Iteration 69 === [ULTIMATE.startErr0AssertViolationASSERT]=== [2018-07-23 13:50:14,948 INFO L82 PathProgramCache]: Analyzing trace with hash -890696145, now seen corresponding path program 68 times [2018-07-23 13:50:14,949 INFO L69 tionRefinementEngine]: Using refinement strategy FixedRefinementStrategy [2018-07-23 13:50:15,032 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-07-23 13:50:15,446 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 13:50:15,446 INFO L309 seRefinementStrategy]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2018-07-23 13:50:15,446 INFO L324 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [70] total 70 [2018-07-23 13:50:15,447 INFO L142 lantAutomatonBuilder]: Constructing canonical interpolant automaton, with selfloop in false state [2018-07-23 13:50:15,447 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-07-23 13:50:15,447 INFO L185 omatonBuilderFactory]: Interpolants [22912#(and (<= ULTIMATE.start_main_~x~4 17) (<= 17 ULTIMATE.start_main_~x~4)), 22913#(and (<= 18 ULTIMATE.start_main_~x~4) (<= ULTIMATE.start_main_~x~4 18)), 22914#(and (<= 19 ULTIMATE.start_main_~x~4) (<= ULTIMATE.start_main_~x~4 19)), 22915#(and (<= 20 ULTIMATE.start_main_~x~4) (<= ULTIMATE.start_main_~x~4 20)), 22916#(and (<= ULTIMATE.start_main_~x~4 21) (<= 21 ULTIMATE.start_main_~x~4)), 22917#(and (<= ULTIMATE.start_main_~x~4 22) (<= 22 ULTIMATE.start_main_~x~4)), 22918#(and (<= ULTIMATE.start_main_~x~4 23) (<= 23 ULTIMATE.start_main_~x~4)), 22919#(and (<= ULTIMATE.start_main_~x~4 24) (<= 24 ULTIMATE.start_main_~x~4)), 22920#(and (<= ULTIMATE.start_main_~x~4 25) (<= 25 ULTIMATE.start_main_~x~4)), 22921#(and (<= ULTIMATE.start_main_~x~4 26) (<= 26 ULTIMATE.start_main_~x~4)), 22922#(and (<= ULTIMATE.start_main_~x~4 27) (<= 27 ULTIMATE.start_main_~x~4)), 22923#(and (<= ULTIMATE.start_main_~x~4 28) (<= 28 ULTIMATE.start_main_~x~4)), 22924#(and (<= 29 ULTIMATE.start_main_~x~4) (<= ULTIMATE.start_main_~x~4 29)), 22925#(and (<= ULTIMATE.start_main_~x~4 30) (<= 30 ULTIMATE.start_main_~x~4)), 22926#(and (<= ULTIMATE.start_main_~x~4 31) (<= 31 ULTIMATE.start_main_~x~4)), 22927#(and (<= ULTIMATE.start_main_~x~4 32) (<= 32 ULTIMATE.start_main_~x~4)), 22928#(and (<= ULTIMATE.start_main_~x~4 33) (<= 33 ULTIMATE.start_main_~x~4)), 22929#(and (<= 34 ULTIMATE.start_main_~x~4) (<= ULTIMATE.start_main_~x~4 34)), 22930#(and (<= ULTIMATE.start_main_~x~4 35) (<= 35 ULTIMATE.start_main_~x~4)), 22931#(and (<= 36 ULTIMATE.start_main_~x~4) (<= ULTIMATE.start_main_~x~4 36)), 22932#(and (<= ULTIMATE.start_main_~x~4 37) (<= 37 ULTIMATE.start_main_~x~4)), 22933#(and (<= 38 ULTIMATE.start_main_~x~4) (<= ULTIMATE.start_main_~x~4 38)), 22934#(and (<= ULTIMATE.start_main_~x~4 39) (<= 39 ULTIMATE.start_main_~x~4)), 22935#(and (<= ULTIMATE.start_main_~x~4 40) (<= 40 ULTIMATE.start_main_~x~4)), 22936#(and (<= ULTIMATE.start_main_~x~4 41) (<= 41 ULTIMATE.start_main_~x~4)), 22937#(and (<= ULTIMATE.start_main_~x~4 42) (<= 42 ULTIMATE.start_main_~x~4)), 22938#(and (<= ULTIMATE.start_main_~x~4 43) (<= 43 ULTIMATE.start_main_~x~4)), 22939#(and (<= 44 ULTIMATE.start_main_~x~4) (<= ULTIMATE.start_main_~x~4 44)), 22940#(and (<= 45 ULTIMATE.start_main_~x~4) (<= ULTIMATE.start_main_~x~4 45)), 22941#(and (<= ULTIMATE.start_main_~x~4 46) (<= 46 ULTIMATE.start_main_~x~4)), 22942#(and (<= 47 ULTIMATE.start_main_~x~4) (<= ULTIMATE.start_main_~x~4 47)), 22943#(and (<= 48 ULTIMATE.start_main_~x~4) (<= ULTIMATE.start_main_~x~4 48)), 22944#(and (<= 49 ULTIMATE.start_main_~x~4) (<= ULTIMATE.start_main_~x~4 49)), 22945#(and (<= ULTIMATE.start_main_~x~4 50) (<= 50 ULTIMATE.start_main_~x~4)), 22946#(and (<= 51 ULTIMATE.start_main_~x~4) (<= ULTIMATE.start_main_~x~4 51)), 22947#(and (<= ULTIMATE.start_main_~x~4 52) (<= 52 ULTIMATE.start_main_~x~4)), 22948#(and (<= 53 ULTIMATE.start_main_~x~4) (<= ULTIMATE.start_main_~x~4 53)), 22949#(and (<= ULTIMATE.start_main_~x~4 54) (<= 54 ULTIMATE.start_main_~x~4)), 22950#(and (<= 55 ULTIMATE.start_main_~x~4) (<= ULTIMATE.start_main_~x~4 55)), 22951#(and (<= 56 ULTIMATE.start_main_~x~4) (<= ULTIMATE.start_main_~x~4 56)), 22952#(and (<= 57 ULTIMATE.start_main_~x~4) (<= ULTIMATE.start_main_~x~4 57)), 22953#(and (<= 58 ULTIMATE.start_main_~x~4) (<= ULTIMATE.start_main_~x~4 58)), 22954#(and (<= ULTIMATE.start_main_~x~4 59) (<= 59 ULTIMATE.start_main_~x~4)), 22955#(and (<= 60 ULTIMATE.start_main_~x~4) (<= ULTIMATE.start_main_~x~4 60)), 22956#(and (<= 61 ULTIMATE.start_main_~x~4) (<= ULTIMATE.start_main_~x~4 61)), 22957#(and (<= ULTIMATE.start_main_~x~4 62) (<= 62 ULTIMATE.start_main_~x~4)), 22958#(and (<= 63 ULTIMATE.start_main_~x~4) (<= ULTIMATE.start_main_~x~4 63)), 22959#(and (<= ULTIMATE.start_main_~x~4 64) (<= 64 ULTIMATE.start_main_~x~4)), 22960#(and (<= 65 ULTIMATE.start_main_~x~4) (<= ULTIMATE.start_main_~x~4 65)), 22961#(and (<= 66 ULTIMATE.start_main_~x~4) (<= ULTIMATE.start_main_~x~4 66)), 22962#(and (<= 67 ULTIMATE.start_main_~x~4) (<= ULTIMATE.start_main_~x~4 67)), 22963#(and (<= ULTIMATE.start_main_~x~4 68) (<= 68 ULTIMATE.start_main_~x~4)), 22893#true, 22894#false, 22895#(and (<= ULTIMATE.start_main_~x~4 0) (<= 0 ULTIMATE.start_main_~x~4)), 22896#(and (<= ULTIMATE.start_main_~x~4 1) (<= 1 ULTIMATE.start_main_~x~4)), 22897#(and (<= 2 ULTIMATE.start_main_~x~4) (<= ULTIMATE.start_main_~x~4 2)), 22898#(and (<= 3 ULTIMATE.start_main_~x~4) (<= ULTIMATE.start_main_~x~4 3)), 22899#(and (<= ULTIMATE.start_main_~x~4 4) (<= 4 ULTIMATE.start_main_~x~4)), 22900#(and (<= ULTIMATE.start_main_~x~4 5) (<= 5 ULTIMATE.start_main_~x~4)), 22901#(and (<= 6 ULTIMATE.start_main_~x~4) (<= ULTIMATE.start_main_~x~4 6)), 22902#(and (<= ULTIMATE.start_main_~x~4 7) (<= 7 ULTIMATE.start_main_~x~4)), 22903#(and (<= ULTIMATE.start_main_~x~4 8) (<= 8 ULTIMATE.start_main_~x~4)), 22904#(and (<= 9 ULTIMATE.start_main_~x~4) (<= ULTIMATE.start_main_~x~4 9)), 22905#(and (<= ULTIMATE.start_main_~x~4 10) (<= 10 ULTIMATE.start_main_~x~4)), 22906#(and (<= ULTIMATE.start_main_~x~4 11) (<= 11 ULTIMATE.start_main_~x~4)), 22907#(and (<= 12 ULTIMATE.start_main_~x~4) (<= ULTIMATE.start_main_~x~4 12)), 22908#(and (<= ULTIMATE.start_main_~x~4 13) (<= 13 ULTIMATE.start_main_~x~4)), 22909#(and (<= 14 ULTIMATE.start_main_~x~4) (<= ULTIMATE.start_main_~x~4 14)), 22910#(and (<= 15 ULTIMATE.start_main_~x~4) (<= ULTIMATE.start_main_~x~4 15)), 22911#(and (<= ULTIMATE.start_main_~x~4 16) (<= 16 ULTIMATE.start_main_~x~4))] [2018-07-23 13:50:15,448 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 13:50:15,448 INFO L450 AbstractCegarLoop]: Interpolant automaton has 71 states [2018-07-23 13:50:15,449 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 71 interpolants. [2018-07-23 13:50:15,449 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=139, Invalid=4831, Unknown=0, NotChecked=0, Total=4970 [2018-07-23 13:50:15,450 INFO L87 Difference]: Start difference. First operand 141 states and 141 transitions. Second operand 71 states. [2018-07-23 13:50:15,940 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-07-23 13:50:15,941 INFO L93 Difference]: Finished difference Result 145 states and 145 transitions. [2018-07-23 13:50:15,941 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 71 states. [2018-07-23 13:50:15,941 INFO L78 Accepts]: Start accepts. Automaton has 71 states. Word has length 140 [2018-07-23 13:50:15,941 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-07-23 13:50:15,942 INFO L225 Difference]: With dead ends: 145 [2018-07-23 13:50:15,942 INFO L226 Difference]: Without dead ends: 143 [2018-07-23 13:50:15,943 INFO L575 BasicCegarLoop]: 0 DeclaredPredicates, 70 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 69 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=139, Invalid=4831, Unknown=0, NotChecked=0, Total=4970 [2018-07-23 13:50:15,943 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 143 states. [2018-07-23 13:50:15,951 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 143 to 143. [2018-07-23 13:50:15,952 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 143 states. [2018-07-23 13:50:15,952 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 143 states to 143 states and 143 transitions. [2018-07-23 13:50:15,952 INFO L78 Accepts]: Start accepts. Automaton has 143 states and 143 transitions. Word has length 140 [2018-07-23 13:50:15,953 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-07-23 13:50:15,953 INFO L471 AbstractCegarLoop]: Abstraction has 143 states and 143 transitions. [2018-07-23 13:50:15,953 INFO L472 AbstractCegarLoop]: Interpolant automaton has 71 states. [2018-07-23 13:50:15,953 INFO L276 IsEmpty]: Start isEmpty. Operand 143 states and 143 transitions. [2018-07-23 13:50:15,954 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 143 [2018-07-23 13:50:15,954 INFO L349 BasicCegarLoop]: Found error trace [2018-07-23 13:50:15,954 INFO L357 BasicCegarLoop]: trace histogram [70, 69, 1, 1, 1] [2018-07-23 13:50:15,954 INFO L414 AbstractCegarLoop]: === Iteration 70 === [ULTIMATE.startErr0AssertViolationASSERT]=== [2018-07-23 13:50:15,954 INFO L82 PathProgramCache]: Analyzing trace with hash -1260451351, now seen corresponding path program 69 times [2018-07-23 13:50:15,954 INFO L69 tionRefinementEngine]: Using refinement strategy FixedRefinementStrategy [2018-07-23 13:50:16,003 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-07-23 13:50:16,296 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 13:50:16,296 INFO L309 seRefinementStrategy]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2018-07-23 13:50:16,296 INFO L324 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [71] total 71 [2018-07-23 13:50:16,297 INFO L142 lantAutomatonBuilder]: Constructing canonical interpolant automaton, with selfloop in false state [2018-07-23 13:50:16,297 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-07-23 13:50:16,297 INFO L185 omatonBuilderFactory]: Interpolants [23552#(and (<= ULTIMATE.start_main_~x~4 10) (<= 10 ULTIMATE.start_main_~x~4)), 23553#(and (<= ULTIMATE.start_main_~x~4 11) (<= 11 ULTIMATE.start_main_~x~4)), 23554#(and (<= 12 ULTIMATE.start_main_~x~4) (<= ULTIMATE.start_main_~x~4 12)), 23555#(and (<= ULTIMATE.start_main_~x~4 13) (<= 13 ULTIMATE.start_main_~x~4)), 23556#(and (<= 14 ULTIMATE.start_main_~x~4) (<= ULTIMATE.start_main_~x~4 14)), 23557#(and (<= 15 ULTIMATE.start_main_~x~4) (<= ULTIMATE.start_main_~x~4 15)), 23558#(and (<= ULTIMATE.start_main_~x~4 16) (<= 16 ULTIMATE.start_main_~x~4)), 23559#(and (<= ULTIMATE.start_main_~x~4 17) (<= 17 ULTIMATE.start_main_~x~4)), 23560#(and (<= 18 ULTIMATE.start_main_~x~4) (<= ULTIMATE.start_main_~x~4 18)), 23561#(and (<= 19 ULTIMATE.start_main_~x~4) (<= ULTIMATE.start_main_~x~4 19)), 23562#(and (<= 20 ULTIMATE.start_main_~x~4) (<= ULTIMATE.start_main_~x~4 20)), 23563#(and (<= ULTIMATE.start_main_~x~4 21) (<= 21 ULTIMATE.start_main_~x~4)), 23564#(and (<= ULTIMATE.start_main_~x~4 22) (<= 22 ULTIMATE.start_main_~x~4)), 23565#(and (<= ULTIMATE.start_main_~x~4 23) (<= 23 ULTIMATE.start_main_~x~4)), 23566#(and (<= ULTIMATE.start_main_~x~4 24) (<= 24 ULTIMATE.start_main_~x~4)), 23567#(and (<= ULTIMATE.start_main_~x~4 25) (<= 25 ULTIMATE.start_main_~x~4)), 23568#(and (<= ULTIMATE.start_main_~x~4 26) (<= 26 ULTIMATE.start_main_~x~4)), 23569#(and (<= ULTIMATE.start_main_~x~4 27) (<= 27 ULTIMATE.start_main_~x~4)), 23570#(and (<= ULTIMATE.start_main_~x~4 28) (<= 28 ULTIMATE.start_main_~x~4)), 23571#(and (<= 29 ULTIMATE.start_main_~x~4) (<= ULTIMATE.start_main_~x~4 29)), 23572#(and (<= ULTIMATE.start_main_~x~4 30) (<= 30 ULTIMATE.start_main_~x~4)), 23573#(and (<= ULTIMATE.start_main_~x~4 31) (<= 31 ULTIMATE.start_main_~x~4)), 23574#(and (<= ULTIMATE.start_main_~x~4 32) (<= 32 ULTIMATE.start_main_~x~4)), 23575#(and (<= ULTIMATE.start_main_~x~4 33) (<= 33 ULTIMATE.start_main_~x~4)), 23576#(and (<= 34 ULTIMATE.start_main_~x~4) (<= ULTIMATE.start_main_~x~4 34)), 23577#(and (<= ULTIMATE.start_main_~x~4 35) (<= 35 ULTIMATE.start_main_~x~4)), 23578#(and (<= 36 ULTIMATE.start_main_~x~4) (<= ULTIMATE.start_main_~x~4 36)), 23579#(and (<= ULTIMATE.start_main_~x~4 37) (<= 37 ULTIMATE.start_main_~x~4)), 23580#(and (<= 38 ULTIMATE.start_main_~x~4) (<= ULTIMATE.start_main_~x~4 38)), 23581#(and (<= ULTIMATE.start_main_~x~4 39) (<= 39 ULTIMATE.start_main_~x~4)), 23582#(and (<= ULTIMATE.start_main_~x~4 40) (<= 40 ULTIMATE.start_main_~x~4)), 23583#(and (<= ULTIMATE.start_main_~x~4 41) (<= 41 ULTIMATE.start_main_~x~4)), 23584#(and (<= ULTIMATE.start_main_~x~4 42) (<= 42 ULTIMATE.start_main_~x~4)), 23585#(and (<= ULTIMATE.start_main_~x~4 43) (<= 43 ULTIMATE.start_main_~x~4)), 23586#(and (<= 44 ULTIMATE.start_main_~x~4) (<= ULTIMATE.start_main_~x~4 44)), 23587#(and (<= 45 ULTIMATE.start_main_~x~4) (<= ULTIMATE.start_main_~x~4 45)), 23588#(and (<= ULTIMATE.start_main_~x~4 46) (<= 46 ULTIMATE.start_main_~x~4)), 23589#(and (<= 47 ULTIMATE.start_main_~x~4) (<= ULTIMATE.start_main_~x~4 47)), 23590#(and (<= 48 ULTIMATE.start_main_~x~4) (<= ULTIMATE.start_main_~x~4 48)), 23591#(and (<= 49 ULTIMATE.start_main_~x~4) (<= ULTIMATE.start_main_~x~4 49)), 23592#(and (<= ULTIMATE.start_main_~x~4 50) (<= 50 ULTIMATE.start_main_~x~4)), 23593#(and (<= 51 ULTIMATE.start_main_~x~4) (<= ULTIMATE.start_main_~x~4 51)), 23594#(and (<= ULTIMATE.start_main_~x~4 52) (<= 52 ULTIMATE.start_main_~x~4)), 23595#(and (<= 53 ULTIMATE.start_main_~x~4) (<= ULTIMATE.start_main_~x~4 53)), 23596#(and (<= ULTIMATE.start_main_~x~4 54) (<= 54 ULTIMATE.start_main_~x~4)), 23597#(and (<= 55 ULTIMATE.start_main_~x~4) (<= ULTIMATE.start_main_~x~4 55)), 23598#(and (<= 56 ULTIMATE.start_main_~x~4) (<= ULTIMATE.start_main_~x~4 56)), 23599#(and (<= 57 ULTIMATE.start_main_~x~4) (<= ULTIMATE.start_main_~x~4 57)), 23600#(and (<= 58 ULTIMATE.start_main_~x~4) (<= ULTIMATE.start_main_~x~4 58)), 23601#(and (<= ULTIMATE.start_main_~x~4 59) (<= 59 ULTIMATE.start_main_~x~4)), 23602#(and (<= 60 ULTIMATE.start_main_~x~4) (<= ULTIMATE.start_main_~x~4 60)), 23603#(and (<= 61 ULTIMATE.start_main_~x~4) (<= ULTIMATE.start_main_~x~4 61)), 23604#(and (<= ULTIMATE.start_main_~x~4 62) (<= 62 ULTIMATE.start_main_~x~4)), 23605#(and (<= 63 ULTIMATE.start_main_~x~4) (<= ULTIMATE.start_main_~x~4 63)), 23606#(and (<= ULTIMATE.start_main_~x~4 64) (<= 64 ULTIMATE.start_main_~x~4)), 23607#(and (<= 65 ULTIMATE.start_main_~x~4) (<= ULTIMATE.start_main_~x~4 65)), 23608#(and (<= 66 ULTIMATE.start_main_~x~4) (<= ULTIMATE.start_main_~x~4 66)), 23609#(and (<= 67 ULTIMATE.start_main_~x~4) (<= ULTIMATE.start_main_~x~4 67)), 23610#(and (<= ULTIMATE.start_main_~x~4 68) (<= 68 ULTIMATE.start_main_~x~4)), 23611#(and (<= 69 ULTIMATE.start_main_~x~4) (<= ULTIMATE.start_main_~x~4 69)), 23540#true, 23541#false, 23542#(and (<= ULTIMATE.start_main_~x~4 0) (<= 0 ULTIMATE.start_main_~x~4)), 23543#(and (<= ULTIMATE.start_main_~x~4 1) (<= 1 ULTIMATE.start_main_~x~4)), 23544#(and (<= 2 ULTIMATE.start_main_~x~4) (<= ULTIMATE.start_main_~x~4 2)), 23545#(and (<= 3 ULTIMATE.start_main_~x~4) (<= ULTIMATE.start_main_~x~4 3)), 23546#(and (<= ULTIMATE.start_main_~x~4 4) (<= 4 ULTIMATE.start_main_~x~4)), 23547#(and (<= ULTIMATE.start_main_~x~4 5) (<= 5 ULTIMATE.start_main_~x~4)), 23548#(and (<= 6 ULTIMATE.start_main_~x~4) (<= ULTIMATE.start_main_~x~4 6)), 23549#(and (<= ULTIMATE.start_main_~x~4 7) (<= 7 ULTIMATE.start_main_~x~4)), 23550#(and (<= ULTIMATE.start_main_~x~4 8) (<= 8 ULTIMATE.start_main_~x~4)), 23551#(and (<= 9 ULTIMATE.start_main_~x~4) (<= ULTIMATE.start_main_~x~4 9))] [2018-07-23 13:50:16,297 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 13:50:16,298 INFO L450 AbstractCegarLoop]: Interpolant automaton has 72 states [2018-07-23 13:50:16,298 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 72 interpolants. [2018-07-23 13:50:16,298 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=141, Invalid=4971, Unknown=0, NotChecked=0, Total=5112 [2018-07-23 13:50:16,298 INFO L87 Difference]: Start difference. First operand 143 states and 143 transitions. Second operand 72 states. [2018-07-23 13:50:16,681 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-07-23 13:50:16,682 INFO L93 Difference]: Finished difference Result 147 states and 147 transitions. [2018-07-23 13:50:16,682 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 72 states. [2018-07-23 13:50:16,682 INFO L78 Accepts]: Start accepts. Automaton has 72 states. Word has length 142 [2018-07-23 13:50:16,682 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-07-23 13:50:16,683 INFO L225 Difference]: With dead ends: 147 [2018-07-23 13:50:16,683 INFO L226 Difference]: Without dead ends: 145 [2018-07-23 13:50:16,684 INFO L575 BasicCegarLoop]: 0 DeclaredPredicates, 71 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 70 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=141, Invalid=4971, Unknown=0, NotChecked=0, Total=5112 [2018-07-23 13:50:16,684 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 145 states. [2018-07-23 13:50:16,692 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 145 to 145. [2018-07-23 13:50:16,693 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 145 states. [2018-07-23 13:50:16,693 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 145 states to 145 states and 145 transitions. [2018-07-23 13:50:16,693 INFO L78 Accepts]: Start accepts. Automaton has 145 states and 145 transitions. Word has length 142 [2018-07-23 13:50:16,694 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-07-23 13:50:16,694 INFO L471 AbstractCegarLoop]: Abstraction has 145 states and 145 transitions. [2018-07-23 13:50:16,694 INFO L472 AbstractCegarLoop]: Interpolant automaton has 72 states. [2018-07-23 13:50:16,694 INFO L276 IsEmpty]: Start isEmpty. Operand 145 states and 145 transitions. [2018-07-23 13:50:16,695 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 145 [2018-07-23 13:50:16,695 INFO L349 BasicCegarLoop]: Found error trace [2018-07-23 13:50:16,695 INFO L357 BasicCegarLoop]: trace histogram [71, 70, 1, 1, 1] [2018-07-23 13:50:16,695 INFO L414 AbstractCegarLoop]: === Iteration 71 === [ULTIMATE.startErr0AssertViolationASSERT]=== [2018-07-23 13:50:16,695 INFO L82 PathProgramCache]: Analyzing trace with hash -112918749, now seen corresponding path program 70 times [2018-07-23 13:50:16,695 INFO L69 tionRefinementEngine]: Using refinement strategy FixedRefinementStrategy [2018-07-23 13:50:16,755 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-07-23 13:50:17,162 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 13:50:17,162 INFO L309 seRefinementStrategy]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2018-07-23 13:50:17,162 INFO L324 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [72] total 72 [2018-07-23 13:50:17,162 INFO L142 lantAutomatonBuilder]: Constructing canonical interpolant automaton, with selfloop in false state [2018-07-23 13:50:17,163 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-07-23 13:50:17,163 INFO L185 omatonBuilderFactory]: Interpolants [24196#true, 24197#false, 24198#(and (<= ULTIMATE.start_main_~x~4 0) (<= 0 ULTIMATE.start_main_~x~4)), 24199#(and (<= ULTIMATE.start_main_~x~4 1) (<= 1 ULTIMATE.start_main_~x~4)), 24200#(and (<= 2 ULTIMATE.start_main_~x~4) (<= ULTIMATE.start_main_~x~4 2)), 24201#(and (<= 3 ULTIMATE.start_main_~x~4) (<= ULTIMATE.start_main_~x~4 3)), 24202#(and (<= ULTIMATE.start_main_~x~4 4) (<= 4 ULTIMATE.start_main_~x~4)), 24203#(and (<= ULTIMATE.start_main_~x~4 5) (<= 5 ULTIMATE.start_main_~x~4)), 24204#(and (<= 6 ULTIMATE.start_main_~x~4) (<= ULTIMATE.start_main_~x~4 6)), 24205#(and (<= ULTIMATE.start_main_~x~4 7) (<= 7 ULTIMATE.start_main_~x~4)), 24206#(and (<= ULTIMATE.start_main_~x~4 8) (<= 8 ULTIMATE.start_main_~x~4)), 24207#(and (<= 9 ULTIMATE.start_main_~x~4) (<= ULTIMATE.start_main_~x~4 9)), 24208#(and (<= ULTIMATE.start_main_~x~4 10) (<= 10 ULTIMATE.start_main_~x~4)), 24209#(and (<= ULTIMATE.start_main_~x~4 11) (<= 11 ULTIMATE.start_main_~x~4)), 24210#(and (<= 12 ULTIMATE.start_main_~x~4) (<= ULTIMATE.start_main_~x~4 12)), 24211#(and (<= ULTIMATE.start_main_~x~4 13) (<= 13 ULTIMATE.start_main_~x~4)), 24212#(and (<= 14 ULTIMATE.start_main_~x~4) (<= ULTIMATE.start_main_~x~4 14)), 24213#(and (<= 15 ULTIMATE.start_main_~x~4) (<= ULTIMATE.start_main_~x~4 15)), 24214#(and (<= ULTIMATE.start_main_~x~4 16) (<= 16 ULTIMATE.start_main_~x~4)), 24215#(and (<= ULTIMATE.start_main_~x~4 17) (<= 17 ULTIMATE.start_main_~x~4)), 24216#(and (<= 18 ULTIMATE.start_main_~x~4) (<= ULTIMATE.start_main_~x~4 18)), 24217#(and (<= 19 ULTIMATE.start_main_~x~4) (<= ULTIMATE.start_main_~x~4 19)), 24218#(and (<= 20 ULTIMATE.start_main_~x~4) (<= ULTIMATE.start_main_~x~4 20)), 24219#(and (<= ULTIMATE.start_main_~x~4 21) (<= 21 ULTIMATE.start_main_~x~4)), 24220#(and (<= ULTIMATE.start_main_~x~4 22) (<= 22 ULTIMATE.start_main_~x~4)), 24221#(and (<= ULTIMATE.start_main_~x~4 23) (<= 23 ULTIMATE.start_main_~x~4)), 24222#(and (<= ULTIMATE.start_main_~x~4 24) (<= 24 ULTIMATE.start_main_~x~4)), 24223#(and (<= ULTIMATE.start_main_~x~4 25) (<= 25 ULTIMATE.start_main_~x~4)), 24224#(and (<= ULTIMATE.start_main_~x~4 26) (<= 26 ULTIMATE.start_main_~x~4)), 24225#(and (<= ULTIMATE.start_main_~x~4 27) (<= 27 ULTIMATE.start_main_~x~4)), 24226#(and (<= ULTIMATE.start_main_~x~4 28) (<= 28 ULTIMATE.start_main_~x~4)), 24227#(and (<= 29 ULTIMATE.start_main_~x~4) (<= ULTIMATE.start_main_~x~4 29)), 24228#(and (<= ULTIMATE.start_main_~x~4 30) (<= 30 ULTIMATE.start_main_~x~4)), 24229#(and (<= ULTIMATE.start_main_~x~4 31) (<= 31 ULTIMATE.start_main_~x~4)), 24230#(and (<= ULTIMATE.start_main_~x~4 32) (<= 32 ULTIMATE.start_main_~x~4)), 24231#(and (<= ULTIMATE.start_main_~x~4 33) (<= 33 ULTIMATE.start_main_~x~4)), 24232#(and (<= 34 ULTIMATE.start_main_~x~4) (<= ULTIMATE.start_main_~x~4 34)), 24233#(and (<= ULTIMATE.start_main_~x~4 35) (<= 35 ULTIMATE.start_main_~x~4)), 24234#(and (<= 36 ULTIMATE.start_main_~x~4) (<= ULTIMATE.start_main_~x~4 36)), 24235#(and (<= ULTIMATE.start_main_~x~4 37) (<= 37 ULTIMATE.start_main_~x~4)), 24236#(and (<= 38 ULTIMATE.start_main_~x~4) (<= ULTIMATE.start_main_~x~4 38)), 24237#(and (<= ULTIMATE.start_main_~x~4 39) (<= 39 ULTIMATE.start_main_~x~4)), 24238#(and (<= ULTIMATE.start_main_~x~4 40) (<= 40 ULTIMATE.start_main_~x~4)), 24239#(and (<= ULTIMATE.start_main_~x~4 41) (<= 41 ULTIMATE.start_main_~x~4)), 24240#(and (<= ULTIMATE.start_main_~x~4 42) (<= 42 ULTIMATE.start_main_~x~4)), 24241#(and (<= ULTIMATE.start_main_~x~4 43) (<= 43 ULTIMATE.start_main_~x~4)), 24242#(and (<= 44 ULTIMATE.start_main_~x~4) (<= ULTIMATE.start_main_~x~4 44)), 24243#(and (<= 45 ULTIMATE.start_main_~x~4) (<= ULTIMATE.start_main_~x~4 45)), 24244#(and (<= ULTIMATE.start_main_~x~4 46) (<= 46 ULTIMATE.start_main_~x~4)), 24245#(and (<= 47 ULTIMATE.start_main_~x~4) (<= ULTIMATE.start_main_~x~4 47)), 24246#(and (<= 48 ULTIMATE.start_main_~x~4) (<= ULTIMATE.start_main_~x~4 48)), 24247#(and (<= 49 ULTIMATE.start_main_~x~4) (<= ULTIMATE.start_main_~x~4 49)), 24248#(and (<= ULTIMATE.start_main_~x~4 50) (<= 50 ULTIMATE.start_main_~x~4)), 24249#(and (<= 51 ULTIMATE.start_main_~x~4) (<= ULTIMATE.start_main_~x~4 51)), 24250#(and (<= ULTIMATE.start_main_~x~4 52) (<= 52 ULTIMATE.start_main_~x~4)), 24251#(and (<= 53 ULTIMATE.start_main_~x~4) (<= ULTIMATE.start_main_~x~4 53)), 24252#(and (<= ULTIMATE.start_main_~x~4 54) (<= 54 ULTIMATE.start_main_~x~4)), 24253#(and (<= 55 ULTIMATE.start_main_~x~4) (<= ULTIMATE.start_main_~x~4 55)), 24254#(and (<= 56 ULTIMATE.start_main_~x~4) (<= ULTIMATE.start_main_~x~4 56)), 24255#(and (<= 57 ULTIMATE.start_main_~x~4) (<= ULTIMATE.start_main_~x~4 57)), 24256#(and (<= 58 ULTIMATE.start_main_~x~4) (<= ULTIMATE.start_main_~x~4 58)), 24257#(and (<= ULTIMATE.start_main_~x~4 59) (<= 59 ULTIMATE.start_main_~x~4)), 24258#(and (<= 60 ULTIMATE.start_main_~x~4) (<= ULTIMATE.start_main_~x~4 60)), 24259#(and (<= 61 ULTIMATE.start_main_~x~4) (<= ULTIMATE.start_main_~x~4 61)), 24260#(and (<= ULTIMATE.start_main_~x~4 62) (<= 62 ULTIMATE.start_main_~x~4)), 24261#(and (<= 63 ULTIMATE.start_main_~x~4) (<= ULTIMATE.start_main_~x~4 63)), 24262#(and (<= ULTIMATE.start_main_~x~4 64) (<= 64 ULTIMATE.start_main_~x~4)), 24263#(and (<= 65 ULTIMATE.start_main_~x~4) (<= ULTIMATE.start_main_~x~4 65)), 24264#(and (<= 66 ULTIMATE.start_main_~x~4) (<= ULTIMATE.start_main_~x~4 66)), 24265#(and (<= 67 ULTIMATE.start_main_~x~4) (<= ULTIMATE.start_main_~x~4 67)), 24266#(and (<= ULTIMATE.start_main_~x~4 68) (<= 68 ULTIMATE.start_main_~x~4)), 24267#(and (<= 69 ULTIMATE.start_main_~x~4) (<= ULTIMATE.start_main_~x~4 69)), 24268#(and (<= ULTIMATE.start_main_~x~4 70) (<= 70 ULTIMATE.start_main_~x~4))] [2018-07-23 13:50:17,163 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 13:50:17,164 INFO L450 AbstractCegarLoop]: Interpolant automaton has 73 states [2018-07-23 13:50:17,164 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 73 interpolants. [2018-07-23 13:50:17,164 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=143, Invalid=5113, Unknown=0, NotChecked=0, Total=5256 [2018-07-23 13:50:17,164 INFO L87 Difference]: Start difference. First operand 145 states and 145 transitions. Second operand 73 states. [2018-07-23 13:50:17,563 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-07-23 13:50:17,563 INFO L93 Difference]: Finished difference Result 149 states and 149 transitions. [2018-07-23 13:50:17,563 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 73 states. [2018-07-23 13:50:17,563 INFO L78 Accepts]: Start accepts. Automaton has 73 states. Word has length 144 [2018-07-23 13:50:17,564 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-07-23 13:50:17,564 INFO L225 Difference]: With dead ends: 149 [2018-07-23 13:50:17,564 INFO L226 Difference]: Without dead ends: 147 [2018-07-23 13:50:17,565 INFO L575 BasicCegarLoop]: 0 DeclaredPredicates, 72 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 71 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=143, Invalid=5113, Unknown=0, NotChecked=0, Total=5256 [2018-07-23 13:50:17,565 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 147 states. [2018-07-23 13:50:17,573 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 147 to 147. [2018-07-23 13:50:17,573 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 147 states. [2018-07-23 13:50:17,574 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 147 states to 147 states and 147 transitions. [2018-07-23 13:50:17,574 INFO L78 Accepts]: Start accepts. Automaton has 147 states and 147 transitions. Word has length 144 [2018-07-23 13:50:17,574 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-07-23 13:50:17,574 INFO L471 AbstractCegarLoop]: Abstraction has 147 states and 147 transitions. [2018-07-23 13:50:17,574 INFO L472 AbstractCegarLoop]: Interpolant automaton has 73 states. [2018-07-23 13:50:17,574 INFO L276 IsEmpty]: Start isEmpty. Operand 147 states and 147 transitions. [2018-07-23 13:50:17,575 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 147 [2018-07-23 13:50:17,575 INFO L349 BasicCegarLoop]: Found error trace [2018-07-23 13:50:17,575 INFO L357 BasicCegarLoop]: trace histogram [72, 71, 1, 1, 1] [2018-07-23 13:50:17,575 INFO L414 AbstractCegarLoop]: === Iteration 72 === [ULTIMATE.startErr0AssertViolationASSERT]=== [2018-07-23 13:50:17,576 INFO L82 PathProgramCache]: Analyzing trace with hash -1140683299, now seen corresponding path program 71 times [2018-07-23 13:50:17,576 INFO L69 tionRefinementEngine]: Using refinement strategy FixedRefinementStrategy [2018-07-23 13:50:17,625 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-07-23 13:50:17,963 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 13:50:17,963 INFO L309 seRefinementStrategy]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2018-07-23 13:50:17,963 INFO L324 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [73] total 73 [2018-07-23 13:50:17,964 INFO L142 lantAutomatonBuilder]: Constructing canonical interpolant automaton, with selfloop in false state [2018-07-23 13:50:17,964 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-07-23 13:50:17,964 INFO L185 omatonBuilderFactory]: Interpolants [24861#true, 24862#false, 24863#(and (<= ULTIMATE.start_main_~x~4 0) (<= 0 ULTIMATE.start_main_~x~4)), 24864#(and (<= ULTIMATE.start_main_~x~4 1) (<= 1 ULTIMATE.start_main_~x~4)), 24865#(and (<= 2 ULTIMATE.start_main_~x~4) (<= ULTIMATE.start_main_~x~4 2)), 24866#(and (<= 3 ULTIMATE.start_main_~x~4) (<= ULTIMATE.start_main_~x~4 3)), 24867#(and (<= ULTIMATE.start_main_~x~4 4) (<= 4 ULTIMATE.start_main_~x~4)), 24868#(and (<= ULTIMATE.start_main_~x~4 5) (<= 5 ULTIMATE.start_main_~x~4)), 24869#(and (<= 6 ULTIMATE.start_main_~x~4) (<= ULTIMATE.start_main_~x~4 6)), 24870#(and (<= ULTIMATE.start_main_~x~4 7) (<= 7 ULTIMATE.start_main_~x~4)), 24871#(and (<= ULTIMATE.start_main_~x~4 8) (<= 8 ULTIMATE.start_main_~x~4)), 24872#(and (<= 9 ULTIMATE.start_main_~x~4) (<= ULTIMATE.start_main_~x~4 9)), 24873#(and (<= ULTIMATE.start_main_~x~4 10) (<= 10 ULTIMATE.start_main_~x~4)), 24874#(and (<= ULTIMATE.start_main_~x~4 11) (<= 11 ULTIMATE.start_main_~x~4)), 24875#(and (<= 12 ULTIMATE.start_main_~x~4) (<= ULTIMATE.start_main_~x~4 12)), 24876#(and (<= ULTIMATE.start_main_~x~4 13) (<= 13 ULTIMATE.start_main_~x~4)), 24877#(and (<= 14 ULTIMATE.start_main_~x~4) (<= ULTIMATE.start_main_~x~4 14)), 24878#(and (<= 15 ULTIMATE.start_main_~x~4) (<= ULTIMATE.start_main_~x~4 15)), 24879#(and (<= ULTIMATE.start_main_~x~4 16) (<= 16 ULTIMATE.start_main_~x~4)), 24880#(and (<= ULTIMATE.start_main_~x~4 17) (<= 17 ULTIMATE.start_main_~x~4)), 24881#(and (<= 18 ULTIMATE.start_main_~x~4) (<= ULTIMATE.start_main_~x~4 18)), 24882#(and (<= 19 ULTIMATE.start_main_~x~4) (<= ULTIMATE.start_main_~x~4 19)), 24883#(and (<= 20 ULTIMATE.start_main_~x~4) (<= ULTIMATE.start_main_~x~4 20)), 24884#(and (<= ULTIMATE.start_main_~x~4 21) (<= 21 ULTIMATE.start_main_~x~4)), 24885#(and (<= ULTIMATE.start_main_~x~4 22) (<= 22 ULTIMATE.start_main_~x~4)), 24886#(and (<= ULTIMATE.start_main_~x~4 23) (<= 23 ULTIMATE.start_main_~x~4)), 24887#(and (<= ULTIMATE.start_main_~x~4 24) (<= 24 ULTIMATE.start_main_~x~4)), 24888#(and (<= ULTIMATE.start_main_~x~4 25) (<= 25 ULTIMATE.start_main_~x~4)), 24889#(and (<= ULTIMATE.start_main_~x~4 26) (<= 26 ULTIMATE.start_main_~x~4)), 24890#(and (<= ULTIMATE.start_main_~x~4 27) (<= 27 ULTIMATE.start_main_~x~4)), 24891#(and (<= ULTIMATE.start_main_~x~4 28) (<= 28 ULTIMATE.start_main_~x~4)), 24892#(and (<= 29 ULTIMATE.start_main_~x~4) (<= ULTIMATE.start_main_~x~4 29)), 24893#(and (<= ULTIMATE.start_main_~x~4 30) (<= 30 ULTIMATE.start_main_~x~4)), 24894#(and (<= ULTIMATE.start_main_~x~4 31) (<= 31 ULTIMATE.start_main_~x~4)), 24895#(and (<= ULTIMATE.start_main_~x~4 32) (<= 32 ULTIMATE.start_main_~x~4)), 24896#(and (<= ULTIMATE.start_main_~x~4 33) (<= 33 ULTIMATE.start_main_~x~4)), 24897#(and (<= 34 ULTIMATE.start_main_~x~4) (<= ULTIMATE.start_main_~x~4 34)), 24898#(and (<= ULTIMATE.start_main_~x~4 35) (<= 35 ULTIMATE.start_main_~x~4)), 24899#(and (<= 36 ULTIMATE.start_main_~x~4) (<= ULTIMATE.start_main_~x~4 36)), 24900#(and (<= ULTIMATE.start_main_~x~4 37) (<= 37 ULTIMATE.start_main_~x~4)), 24901#(and (<= 38 ULTIMATE.start_main_~x~4) (<= ULTIMATE.start_main_~x~4 38)), 24902#(and (<= ULTIMATE.start_main_~x~4 39) (<= 39 ULTIMATE.start_main_~x~4)), 24903#(and (<= ULTIMATE.start_main_~x~4 40) (<= 40 ULTIMATE.start_main_~x~4)), 24904#(and (<= ULTIMATE.start_main_~x~4 41) (<= 41 ULTIMATE.start_main_~x~4)), 24905#(and (<= ULTIMATE.start_main_~x~4 42) (<= 42 ULTIMATE.start_main_~x~4)), 24906#(and (<= ULTIMATE.start_main_~x~4 43) (<= 43 ULTIMATE.start_main_~x~4)), 24907#(and (<= 44 ULTIMATE.start_main_~x~4) (<= ULTIMATE.start_main_~x~4 44)), 24908#(and (<= 45 ULTIMATE.start_main_~x~4) (<= ULTIMATE.start_main_~x~4 45)), 24909#(and (<= ULTIMATE.start_main_~x~4 46) (<= 46 ULTIMATE.start_main_~x~4)), 24910#(and (<= 47 ULTIMATE.start_main_~x~4) (<= ULTIMATE.start_main_~x~4 47)), 24911#(and (<= 48 ULTIMATE.start_main_~x~4) (<= ULTIMATE.start_main_~x~4 48)), 24912#(and (<= 49 ULTIMATE.start_main_~x~4) (<= ULTIMATE.start_main_~x~4 49)), 24913#(and (<= ULTIMATE.start_main_~x~4 50) (<= 50 ULTIMATE.start_main_~x~4)), 24914#(and (<= 51 ULTIMATE.start_main_~x~4) (<= ULTIMATE.start_main_~x~4 51)), 24915#(and (<= ULTIMATE.start_main_~x~4 52) (<= 52 ULTIMATE.start_main_~x~4)), 24916#(and (<= 53 ULTIMATE.start_main_~x~4) (<= ULTIMATE.start_main_~x~4 53)), 24917#(and (<= ULTIMATE.start_main_~x~4 54) (<= 54 ULTIMATE.start_main_~x~4)), 24918#(and (<= 55 ULTIMATE.start_main_~x~4) (<= ULTIMATE.start_main_~x~4 55)), 24919#(and (<= 56 ULTIMATE.start_main_~x~4) (<= ULTIMATE.start_main_~x~4 56)), 24920#(and (<= 57 ULTIMATE.start_main_~x~4) (<= ULTIMATE.start_main_~x~4 57)), 24921#(and (<= 58 ULTIMATE.start_main_~x~4) (<= ULTIMATE.start_main_~x~4 58)), 24922#(and (<= ULTIMATE.start_main_~x~4 59) (<= 59 ULTIMATE.start_main_~x~4)), 24923#(and (<= 60 ULTIMATE.start_main_~x~4) (<= ULTIMATE.start_main_~x~4 60)), 24924#(and (<= 61 ULTIMATE.start_main_~x~4) (<= ULTIMATE.start_main_~x~4 61)), 24925#(and (<= ULTIMATE.start_main_~x~4 62) (<= 62 ULTIMATE.start_main_~x~4)), 24926#(and (<= 63 ULTIMATE.start_main_~x~4) (<= ULTIMATE.start_main_~x~4 63)), 24927#(and (<= ULTIMATE.start_main_~x~4 64) (<= 64 ULTIMATE.start_main_~x~4)), 24928#(and (<= 65 ULTIMATE.start_main_~x~4) (<= ULTIMATE.start_main_~x~4 65)), 24929#(and (<= 66 ULTIMATE.start_main_~x~4) (<= ULTIMATE.start_main_~x~4 66)), 24930#(and (<= 67 ULTIMATE.start_main_~x~4) (<= ULTIMATE.start_main_~x~4 67)), 24931#(and (<= ULTIMATE.start_main_~x~4 68) (<= 68 ULTIMATE.start_main_~x~4)), 24932#(and (<= 69 ULTIMATE.start_main_~x~4) (<= ULTIMATE.start_main_~x~4 69)), 24933#(and (<= ULTIMATE.start_main_~x~4 70) (<= 70 ULTIMATE.start_main_~x~4)), 24934#(and (<= 71 ULTIMATE.start_main_~x~4) (<= ULTIMATE.start_main_~x~4 71))] [2018-07-23 13:50:17,964 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 13:50:17,965 INFO L450 AbstractCegarLoop]: Interpolant automaton has 74 states [2018-07-23 13:50:17,965 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 74 interpolants. [2018-07-23 13:50:17,965 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=145, Invalid=5257, Unknown=0, NotChecked=0, Total=5402 [2018-07-23 13:50:17,965 INFO L87 Difference]: Start difference. First operand 147 states and 147 transitions. Second operand 74 states. [2018-07-23 13:50:18,348 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-07-23 13:50:18,348 INFO L93 Difference]: Finished difference Result 151 states and 151 transitions. [2018-07-23 13:50:18,349 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 74 states. [2018-07-23 13:50:18,349 INFO L78 Accepts]: Start accepts. Automaton has 74 states. Word has length 146 [2018-07-23 13:50:18,349 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-07-23 13:50:18,350 INFO L225 Difference]: With dead ends: 151 [2018-07-23 13:50:18,350 INFO L226 Difference]: Without dead ends: 149 [2018-07-23 13:50:18,351 INFO L575 BasicCegarLoop]: 0 DeclaredPredicates, 73 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 72 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=145, Invalid=5257, Unknown=0, NotChecked=0, Total=5402 [2018-07-23 13:50:18,351 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 149 states. [2018-07-23 13:50:18,357 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 149 to 149. [2018-07-23 13:50:18,358 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 149 states. [2018-07-23 13:50:18,358 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 149 states to 149 states and 149 transitions. [2018-07-23 13:50:18,358 INFO L78 Accepts]: Start accepts. Automaton has 149 states and 149 transitions. Word has length 146 [2018-07-23 13:50:18,359 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-07-23 13:50:18,359 INFO L471 AbstractCegarLoop]: Abstraction has 149 states and 149 transitions. [2018-07-23 13:50:18,359 INFO L472 AbstractCegarLoop]: Interpolant automaton has 74 states. [2018-07-23 13:50:18,359 INFO L276 IsEmpty]: Start isEmpty. Operand 149 states and 149 transitions. [2018-07-23 13:50:18,359 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 149 [2018-07-23 13:50:18,360 INFO L349 BasicCegarLoop]: Found error trace [2018-07-23 13:50:18,360 INFO L357 BasicCegarLoop]: trace histogram [73, 72, 1, 1, 1] [2018-07-23 13:50:18,360 INFO L414 AbstractCegarLoop]: === Iteration 73 === [ULTIMATE.startErr0AssertViolationASSERT]=== [2018-07-23 13:50:18,360 INFO L82 PathProgramCache]: Analyzing trace with hash -979937769, now seen corresponding path program 72 times [2018-07-23 13:50:18,360 INFO L69 tionRefinementEngine]: Using refinement strategy FixedRefinementStrategy [2018-07-23 13:50:18,413 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-07-23 13:50:18,759 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 13:50:18,759 INFO L309 seRefinementStrategy]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2018-07-23 13:50:18,759 INFO L324 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [74] total 74 [2018-07-23 13:50:18,760 INFO L142 lantAutomatonBuilder]: Constructing canonical interpolant automaton, with selfloop in false state [2018-07-23 13:50:18,760 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-07-23 13:50:18,760 INFO L185 omatonBuilderFactory]: Interpolants [25600#(and (<= 63 ULTIMATE.start_main_~x~4) (<= ULTIMATE.start_main_~x~4 63)), 25601#(and (<= ULTIMATE.start_main_~x~4 64) (<= 64 ULTIMATE.start_main_~x~4)), 25602#(and (<= 65 ULTIMATE.start_main_~x~4) (<= ULTIMATE.start_main_~x~4 65)), 25603#(and (<= 66 ULTIMATE.start_main_~x~4) (<= ULTIMATE.start_main_~x~4 66)), 25604#(and (<= 67 ULTIMATE.start_main_~x~4) (<= ULTIMATE.start_main_~x~4 67)), 25605#(and (<= ULTIMATE.start_main_~x~4 68) (<= 68 ULTIMATE.start_main_~x~4)), 25606#(and (<= 69 ULTIMATE.start_main_~x~4) (<= ULTIMATE.start_main_~x~4 69)), 25607#(and (<= ULTIMATE.start_main_~x~4 70) (<= 70 ULTIMATE.start_main_~x~4)), 25608#(and (<= 71 ULTIMATE.start_main_~x~4) (<= ULTIMATE.start_main_~x~4 71)), 25609#(and (<= 72 ULTIMATE.start_main_~x~4) (<= ULTIMATE.start_main_~x~4 72)), 25535#true, 25536#false, 25537#(and (<= ULTIMATE.start_main_~x~4 0) (<= 0 ULTIMATE.start_main_~x~4)), 25538#(and (<= ULTIMATE.start_main_~x~4 1) (<= 1 ULTIMATE.start_main_~x~4)), 25539#(and (<= 2 ULTIMATE.start_main_~x~4) (<= ULTIMATE.start_main_~x~4 2)), 25540#(and (<= 3 ULTIMATE.start_main_~x~4) (<= ULTIMATE.start_main_~x~4 3)), 25541#(and (<= ULTIMATE.start_main_~x~4 4) (<= 4 ULTIMATE.start_main_~x~4)), 25542#(and (<= ULTIMATE.start_main_~x~4 5) (<= 5 ULTIMATE.start_main_~x~4)), 25543#(and (<= 6 ULTIMATE.start_main_~x~4) (<= ULTIMATE.start_main_~x~4 6)), 25544#(and (<= ULTIMATE.start_main_~x~4 7) (<= 7 ULTIMATE.start_main_~x~4)), 25545#(and (<= ULTIMATE.start_main_~x~4 8) (<= 8 ULTIMATE.start_main_~x~4)), 25546#(and (<= 9 ULTIMATE.start_main_~x~4) (<= ULTIMATE.start_main_~x~4 9)), 25547#(and (<= ULTIMATE.start_main_~x~4 10) (<= 10 ULTIMATE.start_main_~x~4)), 25548#(and (<= ULTIMATE.start_main_~x~4 11) (<= 11 ULTIMATE.start_main_~x~4)), 25549#(and (<= 12 ULTIMATE.start_main_~x~4) (<= ULTIMATE.start_main_~x~4 12)), 25550#(and (<= ULTIMATE.start_main_~x~4 13) (<= 13 ULTIMATE.start_main_~x~4)), 25551#(and (<= 14 ULTIMATE.start_main_~x~4) (<= ULTIMATE.start_main_~x~4 14)), 25552#(and (<= 15 ULTIMATE.start_main_~x~4) (<= ULTIMATE.start_main_~x~4 15)), 25553#(and (<= ULTIMATE.start_main_~x~4 16) (<= 16 ULTIMATE.start_main_~x~4)), 25554#(and (<= ULTIMATE.start_main_~x~4 17) (<= 17 ULTIMATE.start_main_~x~4)), 25555#(and (<= 18 ULTIMATE.start_main_~x~4) (<= ULTIMATE.start_main_~x~4 18)), 25556#(and (<= 19 ULTIMATE.start_main_~x~4) (<= ULTIMATE.start_main_~x~4 19)), 25557#(and (<= 20 ULTIMATE.start_main_~x~4) (<= ULTIMATE.start_main_~x~4 20)), 25558#(and (<= ULTIMATE.start_main_~x~4 21) (<= 21 ULTIMATE.start_main_~x~4)), 25559#(and (<= ULTIMATE.start_main_~x~4 22) (<= 22 ULTIMATE.start_main_~x~4)), 25560#(and (<= ULTIMATE.start_main_~x~4 23) (<= 23 ULTIMATE.start_main_~x~4)), 25561#(and (<= ULTIMATE.start_main_~x~4 24) (<= 24 ULTIMATE.start_main_~x~4)), 25562#(and (<= ULTIMATE.start_main_~x~4 25) (<= 25 ULTIMATE.start_main_~x~4)), 25563#(and (<= ULTIMATE.start_main_~x~4 26) (<= 26 ULTIMATE.start_main_~x~4)), 25564#(and (<= ULTIMATE.start_main_~x~4 27) (<= 27 ULTIMATE.start_main_~x~4)), 25565#(and (<= ULTIMATE.start_main_~x~4 28) (<= 28 ULTIMATE.start_main_~x~4)), 25566#(and (<= 29 ULTIMATE.start_main_~x~4) (<= ULTIMATE.start_main_~x~4 29)), 25567#(and (<= ULTIMATE.start_main_~x~4 30) (<= 30 ULTIMATE.start_main_~x~4)), 25568#(and (<= ULTIMATE.start_main_~x~4 31) (<= 31 ULTIMATE.start_main_~x~4)), 25569#(and (<= ULTIMATE.start_main_~x~4 32) (<= 32 ULTIMATE.start_main_~x~4)), 25570#(and (<= ULTIMATE.start_main_~x~4 33) (<= 33 ULTIMATE.start_main_~x~4)), 25571#(and (<= 34 ULTIMATE.start_main_~x~4) (<= ULTIMATE.start_main_~x~4 34)), 25572#(and (<= ULTIMATE.start_main_~x~4 35) (<= 35 ULTIMATE.start_main_~x~4)), 25573#(and (<= 36 ULTIMATE.start_main_~x~4) (<= ULTIMATE.start_main_~x~4 36)), 25574#(and (<= ULTIMATE.start_main_~x~4 37) (<= 37 ULTIMATE.start_main_~x~4)), 25575#(and (<= 38 ULTIMATE.start_main_~x~4) (<= ULTIMATE.start_main_~x~4 38)), 25576#(and (<= ULTIMATE.start_main_~x~4 39) (<= 39 ULTIMATE.start_main_~x~4)), 25577#(and (<= ULTIMATE.start_main_~x~4 40) (<= 40 ULTIMATE.start_main_~x~4)), 25578#(and (<= ULTIMATE.start_main_~x~4 41) (<= 41 ULTIMATE.start_main_~x~4)), 25579#(and (<= ULTIMATE.start_main_~x~4 42) (<= 42 ULTIMATE.start_main_~x~4)), 25580#(and (<= ULTIMATE.start_main_~x~4 43) (<= 43 ULTIMATE.start_main_~x~4)), 25581#(and (<= 44 ULTIMATE.start_main_~x~4) (<= ULTIMATE.start_main_~x~4 44)), 25582#(and (<= 45 ULTIMATE.start_main_~x~4) (<= ULTIMATE.start_main_~x~4 45)), 25583#(and (<= ULTIMATE.start_main_~x~4 46) (<= 46 ULTIMATE.start_main_~x~4)), 25584#(and (<= 47 ULTIMATE.start_main_~x~4) (<= ULTIMATE.start_main_~x~4 47)), 25585#(and (<= 48 ULTIMATE.start_main_~x~4) (<= ULTIMATE.start_main_~x~4 48)), 25586#(and (<= 49 ULTIMATE.start_main_~x~4) (<= ULTIMATE.start_main_~x~4 49)), 25587#(and (<= ULTIMATE.start_main_~x~4 50) (<= 50 ULTIMATE.start_main_~x~4)), 25588#(and (<= 51 ULTIMATE.start_main_~x~4) (<= ULTIMATE.start_main_~x~4 51)), 25589#(and (<= ULTIMATE.start_main_~x~4 52) (<= 52 ULTIMATE.start_main_~x~4)), 25590#(and (<= 53 ULTIMATE.start_main_~x~4) (<= ULTIMATE.start_main_~x~4 53)), 25591#(and (<= ULTIMATE.start_main_~x~4 54) (<= 54 ULTIMATE.start_main_~x~4)), 25592#(and (<= 55 ULTIMATE.start_main_~x~4) (<= ULTIMATE.start_main_~x~4 55)), 25593#(and (<= 56 ULTIMATE.start_main_~x~4) (<= ULTIMATE.start_main_~x~4 56)), 25594#(and (<= 57 ULTIMATE.start_main_~x~4) (<= ULTIMATE.start_main_~x~4 57)), 25595#(and (<= 58 ULTIMATE.start_main_~x~4) (<= ULTIMATE.start_main_~x~4 58)), 25596#(and (<= ULTIMATE.start_main_~x~4 59) (<= 59 ULTIMATE.start_main_~x~4)), 25597#(and (<= 60 ULTIMATE.start_main_~x~4) (<= ULTIMATE.start_main_~x~4 60)), 25598#(and (<= 61 ULTIMATE.start_main_~x~4) (<= ULTIMATE.start_main_~x~4 61)), 25599#(and (<= ULTIMATE.start_main_~x~4 62) (<= 62 ULTIMATE.start_main_~x~4))] [2018-07-23 13:50:18,761 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 13:50:18,761 INFO L450 AbstractCegarLoop]: Interpolant automaton has 75 states [2018-07-23 13:50:18,761 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 75 interpolants. [2018-07-23 13:50:18,761 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=147, Invalid=5403, Unknown=0, NotChecked=0, Total=5550 [2018-07-23 13:50:18,762 INFO L87 Difference]: Start difference. First operand 149 states and 149 transitions. Second operand 75 states. [2018-07-23 13:50:19,166 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-07-23 13:50:19,166 INFO L93 Difference]: Finished difference Result 153 states and 153 transitions. [2018-07-23 13:50:19,167 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 75 states. [2018-07-23 13:50:19,167 INFO L78 Accepts]: Start accepts. Automaton has 75 states. Word has length 148 [2018-07-23 13:50:19,167 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-07-23 13:50:19,168 INFO L225 Difference]: With dead ends: 153 [2018-07-23 13:50:19,168 INFO L226 Difference]: Without dead ends: 151 [2018-07-23 13:50:19,169 INFO L575 BasicCegarLoop]: 0 DeclaredPredicates, 74 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 73 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=147, Invalid=5403, Unknown=0, NotChecked=0, Total=5550 [2018-07-23 13:50:19,169 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 151 states. [2018-07-23 13:50:19,176 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 151 to 151. [2018-07-23 13:50:19,176 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 151 states. [2018-07-23 13:50:19,177 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 151 states to 151 states and 151 transitions. [2018-07-23 13:50:19,177 INFO L78 Accepts]: Start accepts. Automaton has 151 states and 151 transitions. Word has length 148 [2018-07-23 13:50:19,177 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-07-23 13:50:19,177 INFO L471 AbstractCegarLoop]: Abstraction has 151 states and 151 transitions. [2018-07-23 13:50:19,177 INFO L472 AbstractCegarLoop]: Interpolant automaton has 75 states. [2018-07-23 13:50:19,178 INFO L276 IsEmpty]: Start isEmpty. Operand 151 states and 151 transitions. [2018-07-23 13:50:19,178 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 151 [2018-07-23 13:50:19,178 INFO L349 BasicCegarLoop]: Found error trace [2018-07-23 13:50:19,179 INFO L357 BasicCegarLoop]: trace histogram [74, 73, 1, 1, 1] [2018-07-23 13:50:19,179 INFO L414 AbstractCegarLoop]: === Iteration 74 === [ULTIMATE.startErr0AssertViolationASSERT]=== [2018-07-23 13:50:19,179 INFO L82 PathProgramCache]: Analyzing trace with hash -1122306095, now seen corresponding path program 73 times [2018-07-23 13:50:19,179 INFO L69 tionRefinementEngine]: Using refinement strategy FixedRefinementStrategy [2018-07-23 13:50:19,240 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-07-23 13:50:19,615 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 13:50:19,615 INFO L309 seRefinementStrategy]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2018-07-23 13:50:19,615 INFO L324 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [75] total 75 [2018-07-23 13:50:19,615 INFO L142 lantAutomatonBuilder]: Constructing canonical interpolant automaton, with selfloop in false state [2018-07-23 13:50:19,616 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-07-23 13:50:19,616 INFO L185 omatonBuilderFactory]: Interpolants [26240#(and (<= 20 ULTIMATE.start_main_~x~4) (<= ULTIMATE.start_main_~x~4 20)), 26241#(and (<= ULTIMATE.start_main_~x~4 21) (<= 21 ULTIMATE.start_main_~x~4)), 26242#(and (<= ULTIMATE.start_main_~x~4 22) (<= 22 ULTIMATE.start_main_~x~4)), 26243#(and (<= ULTIMATE.start_main_~x~4 23) (<= 23 ULTIMATE.start_main_~x~4)), 26244#(and (<= ULTIMATE.start_main_~x~4 24) (<= 24 ULTIMATE.start_main_~x~4)), 26245#(and (<= ULTIMATE.start_main_~x~4 25) (<= 25 ULTIMATE.start_main_~x~4)), 26246#(and (<= ULTIMATE.start_main_~x~4 26) (<= 26 ULTIMATE.start_main_~x~4)), 26247#(and (<= ULTIMATE.start_main_~x~4 27) (<= 27 ULTIMATE.start_main_~x~4)), 26248#(and (<= ULTIMATE.start_main_~x~4 28) (<= 28 ULTIMATE.start_main_~x~4)), 26249#(and (<= 29 ULTIMATE.start_main_~x~4) (<= ULTIMATE.start_main_~x~4 29)), 26250#(and (<= ULTIMATE.start_main_~x~4 30) (<= 30 ULTIMATE.start_main_~x~4)), 26251#(and (<= ULTIMATE.start_main_~x~4 31) (<= 31 ULTIMATE.start_main_~x~4)), 26252#(and (<= ULTIMATE.start_main_~x~4 32) (<= 32 ULTIMATE.start_main_~x~4)), 26253#(and (<= ULTIMATE.start_main_~x~4 33) (<= 33 ULTIMATE.start_main_~x~4)), 26254#(and (<= 34 ULTIMATE.start_main_~x~4) (<= ULTIMATE.start_main_~x~4 34)), 26255#(and (<= ULTIMATE.start_main_~x~4 35) (<= 35 ULTIMATE.start_main_~x~4)), 26256#(and (<= 36 ULTIMATE.start_main_~x~4) (<= ULTIMATE.start_main_~x~4 36)), 26257#(and (<= ULTIMATE.start_main_~x~4 37) (<= 37 ULTIMATE.start_main_~x~4)), 26258#(and (<= 38 ULTIMATE.start_main_~x~4) (<= ULTIMATE.start_main_~x~4 38)), 26259#(and (<= ULTIMATE.start_main_~x~4 39) (<= 39 ULTIMATE.start_main_~x~4)), 26260#(and (<= ULTIMATE.start_main_~x~4 40) (<= 40 ULTIMATE.start_main_~x~4)), 26261#(and (<= ULTIMATE.start_main_~x~4 41) (<= 41 ULTIMATE.start_main_~x~4)), 26262#(and (<= ULTIMATE.start_main_~x~4 42) (<= 42 ULTIMATE.start_main_~x~4)), 26263#(and (<= ULTIMATE.start_main_~x~4 43) (<= 43 ULTIMATE.start_main_~x~4)), 26264#(and (<= 44 ULTIMATE.start_main_~x~4) (<= ULTIMATE.start_main_~x~4 44)), 26265#(and (<= 45 ULTIMATE.start_main_~x~4) (<= ULTIMATE.start_main_~x~4 45)), 26266#(and (<= ULTIMATE.start_main_~x~4 46) (<= 46 ULTIMATE.start_main_~x~4)), 26267#(and (<= 47 ULTIMATE.start_main_~x~4) (<= ULTIMATE.start_main_~x~4 47)), 26268#(and (<= 48 ULTIMATE.start_main_~x~4) (<= ULTIMATE.start_main_~x~4 48)), 26269#(and (<= 49 ULTIMATE.start_main_~x~4) (<= ULTIMATE.start_main_~x~4 49)), 26270#(and (<= ULTIMATE.start_main_~x~4 50) (<= 50 ULTIMATE.start_main_~x~4)), 26271#(and (<= 51 ULTIMATE.start_main_~x~4) (<= ULTIMATE.start_main_~x~4 51)), 26272#(and (<= ULTIMATE.start_main_~x~4 52) (<= 52 ULTIMATE.start_main_~x~4)), 26273#(and (<= 53 ULTIMATE.start_main_~x~4) (<= ULTIMATE.start_main_~x~4 53)), 26274#(and (<= ULTIMATE.start_main_~x~4 54) (<= 54 ULTIMATE.start_main_~x~4)), 26275#(and (<= 55 ULTIMATE.start_main_~x~4) (<= ULTIMATE.start_main_~x~4 55)), 26276#(and (<= 56 ULTIMATE.start_main_~x~4) (<= ULTIMATE.start_main_~x~4 56)), 26277#(and (<= 57 ULTIMATE.start_main_~x~4) (<= ULTIMATE.start_main_~x~4 57)), 26278#(and (<= 58 ULTIMATE.start_main_~x~4) (<= ULTIMATE.start_main_~x~4 58)), 26279#(and (<= ULTIMATE.start_main_~x~4 59) (<= 59 ULTIMATE.start_main_~x~4)), 26280#(and (<= 60 ULTIMATE.start_main_~x~4) (<= ULTIMATE.start_main_~x~4 60)), 26281#(and (<= 61 ULTIMATE.start_main_~x~4) (<= ULTIMATE.start_main_~x~4 61)), 26282#(and (<= ULTIMATE.start_main_~x~4 62) (<= 62 ULTIMATE.start_main_~x~4)), 26283#(and (<= 63 ULTIMATE.start_main_~x~4) (<= ULTIMATE.start_main_~x~4 63)), 26284#(and (<= ULTIMATE.start_main_~x~4 64) (<= 64 ULTIMATE.start_main_~x~4)), 26285#(and (<= 65 ULTIMATE.start_main_~x~4) (<= ULTIMATE.start_main_~x~4 65)), 26286#(and (<= 66 ULTIMATE.start_main_~x~4) (<= ULTIMATE.start_main_~x~4 66)), 26287#(and (<= 67 ULTIMATE.start_main_~x~4) (<= ULTIMATE.start_main_~x~4 67)), 26288#(and (<= ULTIMATE.start_main_~x~4 68) (<= 68 ULTIMATE.start_main_~x~4)), 26289#(and (<= 69 ULTIMATE.start_main_~x~4) (<= ULTIMATE.start_main_~x~4 69)), 26290#(and (<= ULTIMATE.start_main_~x~4 70) (<= 70 ULTIMATE.start_main_~x~4)), 26291#(and (<= 71 ULTIMATE.start_main_~x~4) (<= ULTIMATE.start_main_~x~4 71)), 26292#(and (<= 72 ULTIMATE.start_main_~x~4) (<= ULTIMATE.start_main_~x~4 72)), 26293#(and (<= ULTIMATE.start_main_~x~4 73) (<= 73 ULTIMATE.start_main_~x~4)), 26218#true, 26219#false, 26220#(and (<= ULTIMATE.start_main_~x~4 0) (<= 0 ULTIMATE.start_main_~x~4)), 26221#(and (<= ULTIMATE.start_main_~x~4 1) (<= 1 ULTIMATE.start_main_~x~4)), 26222#(and (<= 2 ULTIMATE.start_main_~x~4) (<= ULTIMATE.start_main_~x~4 2)), 26223#(and (<= 3 ULTIMATE.start_main_~x~4) (<= ULTIMATE.start_main_~x~4 3)), 26224#(and (<= ULTIMATE.start_main_~x~4 4) (<= 4 ULTIMATE.start_main_~x~4)), 26225#(and (<= ULTIMATE.start_main_~x~4 5) (<= 5 ULTIMATE.start_main_~x~4)), 26226#(and (<= 6 ULTIMATE.start_main_~x~4) (<= ULTIMATE.start_main_~x~4 6)), 26227#(and (<= ULTIMATE.start_main_~x~4 7) (<= 7 ULTIMATE.start_main_~x~4)), 26228#(and (<= ULTIMATE.start_main_~x~4 8) (<= 8 ULTIMATE.start_main_~x~4)), 26229#(and (<= 9 ULTIMATE.start_main_~x~4) (<= ULTIMATE.start_main_~x~4 9)), 26230#(and (<= ULTIMATE.start_main_~x~4 10) (<= 10 ULTIMATE.start_main_~x~4)), 26231#(and (<= ULTIMATE.start_main_~x~4 11) (<= 11 ULTIMATE.start_main_~x~4)), 26232#(and (<= 12 ULTIMATE.start_main_~x~4) (<= ULTIMATE.start_main_~x~4 12)), 26233#(and (<= ULTIMATE.start_main_~x~4 13) (<= 13 ULTIMATE.start_main_~x~4)), 26234#(and (<= 14 ULTIMATE.start_main_~x~4) (<= ULTIMATE.start_main_~x~4 14)), 26235#(and (<= 15 ULTIMATE.start_main_~x~4) (<= ULTIMATE.start_main_~x~4 15)), 26236#(and (<= ULTIMATE.start_main_~x~4 16) (<= 16 ULTIMATE.start_main_~x~4)), 26237#(and (<= ULTIMATE.start_main_~x~4 17) (<= 17 ULTIMATE.start_main_~x~4)), 26238#(and (<= 18 ULTIMATE.start_main_~x~4) (<= ULTIMATE.start_main_~x~4 18)), 26239#(and (<= 19 ULTIMATE.start_main_~x~4) (<= ULTIMATE.start_main_~x~4 19))] [2018-07-23 13:50:19,616 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 13:50:19,616 INFO L450 AbstractCegarLoop]: Interpolant automaton has 76 states [2018-07-23 13:50:19,617 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 76 interpolants. [2018-07-23 13:50:19,617 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=149, Invalid=5551, Unknown=0, NotChecked=0, Total=5700 [2018-07-23 13:50:19,617 INFO L87 Difference]: Start difference. First operand 151 states and 151 transitions. Second operand 76 states. [2018-07-23 13:50:20,037 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-07-23 13:50:20,038 INFO L93 Difference]: Finished difference Result 155 states and 155 transitions. [2018-07-23 13:50:20,038 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 76 states. [2018-07-23 13:50:20,038 INFO L78 Accepts]: Start accepts. Automaton has 76 states. Word has length 150 [2018-07-23 13:50:20,038 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-07-23 13:50:20,039 INFO L225 Difference]: With dead ends: 155 [2018-07-23 13:50:20,039 INFO L226 Difference]: Without dead ends: 153 [2018-07-23 13:50:20,040 INFO L575 BasicCegarLoop]: 0 DeclaredPredicates, 75 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 74 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=149, Invalid=5551, Unknown=0, NotChecked=0, Total=5700 [2018-07-23 13:50:20,040 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 153 states. [2018-07-23 13:50:20,048 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 153 to 153. [2018-07-23 13:50:20,048 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 153 states. [2018-07-23 13:50:20,049 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 153 states to 153 states and 153 transitions. [2018-07-23 13:50:20,049 INFO L78 Accepts]: Start accepts. Automaton has 153 states and 153 transitions. Word has length 150 [2018-07-23 13:50:20,049 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-07-23 13:50:20,050 INFO L471 AbstractCegarLoop]: Abstraction has 153 states and 153 transitions. [2018-07-23 13:50:20,050 INFO L472 AbstractCegarLoop]: Interpolant automaton has 76 states. [2018-07-23 13:50:20,050 INFO L276 IsEmpty]: Start isEmpty. Operand 153 states and 153 transitions. [2018-07-23 13:50:20,050 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 153 [2018-07-23 13:50:20,051 INFO L349 BasicCegarLoop]: Found error trace [2018-07-23 13:50:20,051 INFO L357 BasicCegarLoop]: trace histogram [75, 74, 1, 1, 1] [2018-07-23 13:50:20,051 INFO L414 AbstractCegarLoop]: === Iteration 75 === [ULTIMATE.startErr0AssertViolationASSERT]=== [2018-07-23 13:50:20,051 INFO L82 PathProgramCache]: Analyzing trace with hash -499313909, now seen corresponding path program 74 times [2018-07-23 13:50:20,051 INFO L69 tionRefinementEngine]: Using refinement strategy FixedRefinementStrategy [2018-07-23 13:50:20,118 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-07-23 13:50:20,625 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 13:50:20,625 INFO L309 seRefinementStrategy]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2018-07-23 13:50:20,625 INFO L324 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [76] total 76 [2018-07-23 13:50:20,625 INFO L142 lantAutomatonBuilder]: Constructing canonical interpolant automaton, with selfloop in false state [2018-07-23 13:50:20,626 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-07-23 13:50:20,626 INFO L185 omatonBuilderFactory]: Interpolants [26910#true, 26911#false, 26912#(and (<= ULTIMATE.start_main_~x~4 0) (<= 0 ULTIMATE.start_main_~x~4)), 26913#(and (<= ULTIMATE.start_main_~x~4 1) (<= 1 ULTIMATE.start_main_~x~4)), 26914#(and (<= 2 ULTIMATE.start_main_~x~4) (<= ULTIMATE.start_main_~x~4 2)), 26915#(and (<= 3 ULTIMATE.start_main_~x~4) (<= ULTIMATE.start_main_~x~4 3)), 26916#(and (<= ULTIMATE.start_main_~x~4 4) (<= 4 ULTIMATE.start_main_~x~4)), 26917#(and (<= ULTIMATE.start_main_~x~4 5) (<= 5 ULTIMATE.start_main_~x~4)), 26918#(and (<= 6 ULTIMATE.start_main_~x~4) (<= ULTIMATE.start_main_~x~4 6)), 26919#(and (<= ULTIMATE.start_main_~x~4 7) (<= 7 ULTIMATE.start_main_~x~4)), 26920#(and (<= ULTIMATE.start_main_~x~4 8) (<= 8 ULTIMATE.start_main_~x~4)), 26921#(and (<= 9 ULTIMATE.start_main_~x~4) (<= ULTIMATE.start_main_~x~4 9)), 26922#(and (<= ULTIMATE.start_main_~x~4 10) (<= 10 ULTIMATE.start_main_~x~4)), 26923#(and (<= ULTIMATE.start_main_~x~4 11) (<= 11 ULTIMATE.start_main_~x~4)), 26924#(and (<= 12 ULTIMATE.start_main_~x~4) (<= ULTIMATE.start_main_~x~4 12)), 26925#(and (<= ULTIMATE.start_main_~x~4 13) (<= 13 ULTIMATE.start_main_~x~4)), 26926#(and (<= 14 ULTIMATE.start_main_~x~4) (<= ULTIMATE.start_main_~x~4 14)), 26927#(and (<= 15 ULTIMATE.start_main_~x~4) (<= ULTIMATE.start_main_~x~4 15)), 26928#(and (<= ULTIMATE.start_main_~x~4 16) (<= 16 ULTIMATE.start_main_~x~4)), 26929#(and (<= ULTIMATE.start_main_~x~4 17) (<= 17 ULTIMATE.start_main_~x~4)), 26930#(and (<= 18 ULTIMATE.start_main_~x~4) (<= ULTIMATE.start_main_~x~4 18)), 26931#(and (<= 19 ULTIMATE.start_main_~x~4) (<= ULTIMATE.start_main_~x~4 19)), 26932#(and (<= 20 ULTIMATE.start_main_~x~4) (<= ULTIMATE.start_main_~x~4 20)), 26933#(and (<= ULTIMATE.start_main_~x~4 21) (<= 21 ULTIMATE.start_main_~x~4)), 26934#(and (<= ULTIMATE.start_main_~x~4 22) (<= 22 ULTIMATE.start_main_~x~4)), 26935#(and (<= ULTIMATE.start_main_~x~4 23) (<= 23 ULTIMATE.start_main_~x~4)), 26936#(and (<= ULTIMATE.start_main_~x~4 24) (<= 24 ULTIMATE.start_main_~x~4)), 26937#(and (<= ULTIMATE.start_main_~x~4 25) (<= 25 ULTIMATE.start_main_~x~4)), 26938#(and (<= ULTIMATE.start_main_~x~4 26) (<= 26 ULTIMATE.start_main_~x~4)), 26939#(and (<= ULTIMATE.start_main_~x~4 27) (<= 27 ULTIMATE.start_main_~x~4)), 26940#(and (<= ULTIMATE.start_main_~x~4 28) (<= 28 ULTIMATE.start_main_~x~4)), 26941#(and (<= 29 ULTIMATE.start_main_~x~4) (<= ULTIMATE.start_main_~x~4 29)), 26942#(and (<= ULTIMATE.start_main_~x~4 30) (<= 30 ULTIMATE.start_main_~x~4)), 26943#(and (<= ULTIMATE.start_main_~x~4 31) (<= 31 ULTIMATE.start_main_~x~4)), 26944#(and (<= ULTIMATE.start_main_~x~4 32) (<= 32 ULTIMATE.start_main_~x~4)), 26945#(and (<= ULTIMATE.start_main_~x~4 33) (<= 33 ULTIMATE.start_main_~x~4)), 26946#(and (<= 34 ULTIMATE.start_main_~x~4) (<= ULTIMATE.start_main_~x~4 34)), 26947#(and (<= ULTIMATE.start_main_~x~4 35) (<= 35 ULTIMATE.start_main_~x~4)), 26948#(and (<= 36 ULTIMATE.start_main_~x~4) (<= ULTIMATE.start_main_~x~4 36)), 26949#(and (<= ULTIMATE.start_main_~x~4 37) (<= 37 ULTIMATE.start_main_~x~4)), 26950#(and (<= 38 ULTIMATE.start_main_~x~4) (<= ULTIMATE.start_main_~x~4 38)), 26951#(and (<= ULTIMATE.start_main_~x~4 39) (<= 39 ULTIMATE.start_main_~x~4)), 26952#(and (<= ULTIMATE.start_main_~x~4 40) (<= 40 ULTIMATE.start_main_~x~4)), 26953#(and (<= ULTIMATE.start_main_~x~4 41) (<= 41 ULTIMATE.start_main_~x~4)), 26954#(and (<= ULTIMATE.start_main_~x~4 42) (<= 42 ULTIMATE.start_main_~x~4)), 26955#(and (<= ULTIMATE.start_main_~x~4 43) (<= 43 ULTIMATE.start_main_~x~4)), 26956#(and (<= 44 ULTIMATE.start_main_~x~4) (<= ULTIMATE.start_main_~x~4 44)), 26957#(and (<= 45 ULTIMATE.start_main_~x~4) (<= ULTIMATE.start_main_~x~4 45)), 26958#(and (<= ULTIMATE.start_main_~x~4 46) (<= 46 ULTIMATE.start_main_~x~4)), 26959#(and (<= 47 ULTIMATE.start_main_~x~4) (<= ULTIMATE.start_main_~x~4 47)), 26960#(and (<= 48 ULTIMATE.start_main_~x~4) (<= ULTIMATE.start_main_~x~4 48)), 26961#(and (<= 49 ULTIMATE.start_main_~x~4) (<= ULTIMATE.start_main_~x~4 49)), 26962#(and (<= ULTIMATE.start_main_~x~4 50) (<= 50 ULTIMATE.start_main_~x~4)), 26963#(and (<= 51 ULTIMATE.start_main_~x~4) (<= ULTIMATE.start_main_~x~4 51)), 26964#(and (<= ULTIMATE.start_main_~x~4 52) (<= 52 ULTIMATE.start_main_~x~4)), 26965#(and (<= 53 ULTIMATE.start_main_~x~4) (<= ULTIMATE.start_main_~x~4 53)), 26966#(and (<= ULTIMATE.start_main_~x~4 54) (<= 54 ULTIMATE.start_main_~x~4)), 26967#(and (<= 55 ULTIMATE.start_main_~x~4) (<= ULTIMATE.start_main_~x~4 55)), 26968#(and (<= 56 ULTIMATE.start_main_~x~4) (<= ULTIMATE.start_main_~x~4 56)), 26969#(and (<= 57 ULTIMATE.start_main_~x~4) (<= ULTIMATE.start_main_~x~4 57)), 26970#(and (<= 58 ULTIMATE.start_main_~x~4) (<= ULTIMATE.start_main_~x~4 58)), 26971#(and (<= ULTIMATE.start_main_~x~4 59) (<= 59 ULTIMATE.start_main_~x~4)), 26972#(and (<= 60 ULTIMATE.start_main_~x~4) (<= ULTIMATE.start_main_~x~4 60)), 26973#(and (<= 61 ULTIMATE.start_main_~x~4) (<= ULTIMATE.start_main_~x~4 61)), 26974#(and (<= ULTIMATE.start_main_~x~4 62) (<= 62 ULTIMATE.start_main_~x~4)), 26975#(and (<= 63 ULTIMATE.start_main_~x~4) (<= ULTIMATE.start_main_~x~4 63)), 26976#(and (<= ULTIMATE.start_main_~x~4 64) (<= 64 ULTIMATE.start_main_~x~4)), 26977#(and (<= 65 ULTIMATE.start_main_~x~4) (<= ULTIMATE.start_main_~x~4 65)), 26978#(and (<= 66 ULTIMATE.start_main_~x~4) (<= ULTIMATE.start_main_~x~4 66)), 26979#(and (<= 67 ULTIMATE.start_main_~x~4) (<= ULTIMATE.start_main_~x~4 67)), 26980#(and (<= ULTIMATE.start_main_~x~4 68) (<= 68 ULTIMATE.start_main_~x~4)), 26981#(and (<= 69 ULTIMATE.start_main_~x~4) (<= ULTIMATE.start_main_~x~4 69)), 26982#(and (<= ULTIMATE.start_main_~x~4 70) (<= 70 ULTIMATE.start_main_~x~4)), 26983#(and (<= 71 ULTIMATE.start_main_~x~4) (<= ULTIMATE.start_main_~x~4 71)), 26984#(and (<= 72 ULTIMATE.start_main_~x~4) (<= ULTIMATE.start_main_~x~4 72)), 26985#(and (<= ULTIMATE.start_main_~x~4 73) (<= 73 ULTIMATE.start_main_~x~4)), 26986#(and (<= 74 ULTIMATE.start_main_~x~4) (<= ULTIMATE.start_main_~x~4 74))] [2018-07-23 13:50:20,627 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 13:50:20,627 INFO L450 AbstractCegarLoop]: Interpolant automaton has 77 states [2018-07-23 13:50:20,628 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 77 interpolants. [2018-07-23 13:50:20,628 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=151, Invalid=5701, Unknown=0, NotChecked=0, Total=5852 [2018-07-23 13:50:20,629 INFO L87 Difference]: Start difference. First operand 153 states and 153 transitions. Second operand 77 states. [2018-07-23 13:50:21,157 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-07-23 13:50:21,157 INFO L93 Difference]: Finished difference Result 157 states and 157 transitions. [2018-07-23 13:50:21,157 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 77 states. [2018-07-23 13:50:21,157 INFO L78 Accepts]: Start accepts. Automaton has 77 states. Word has length 152 [2018-07-23 13:50:21,158 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-07-23 13:50:21,159 INFO L225 Difference]: With dead ends: 157 [2018-07-23 13:50:21,159 INFO L226 Difference]: Without dead ends: 155 [2018-07-23 13:50:21,159 INFO L575 BasicCegarLoop]: 0 DeclaredPredicates, 76 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 75 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=151, Invalid=5701, Unknown=0, NotChecked=0, Total=5852 [2018-07-23 13:50:21,159 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 155 states. [2018-07-23 13:50:21,165 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 155 to 155. [2018-07-23 13:50:21,166 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 155 states. [2018-07-23 13:50:21,166 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 155 states to 155 states and 155 transitions. [2018-07-23 13:50:21,166 INFO L78 Accepts]: Start accepts. Automaton has 155 states and 155 transitions. Word has length 152 [2018-07-23 13:50:21,166 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-07-23 13:50:21,167 INFO L471 AbstractCegarLoop]: Abstraction has 155 states and 155 transitions. [2018-07-23 13:50:21,167 INFO L472 AbstractCegarLoop]: Interpolant automaton has 77 states. [2018-07-23 13:50:21,167 INFO L276 IsEmpty]: Start isEmpty. Operand 155 states and 155 transitions. [2018-07-23 13:50:21,167 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 155 [2018-07-23 13:50:21,167 INFO L349 BasicCegarLoop]: Found error trace [2018-07-23 13:50:21,168 INFO L357 BasicCegarLoop]: trace histogram [76, 75, 1, 1, 1] [2018-07-23 13:50:21,168 INFO L414 AbstractCegarLoop]: === Iteration 76 === [ULTIMATE.startErr0AssertViolationASSERT]=== [2018-07-23 13:50:21,168 INFO L82 PathProgramCache]: Analyzing trace with hash 1195722693, now seen corresponding path program 75 times [2018-07-23 13:50:21,168 INFO L69 tionRefinementEngine]: Using refinement strategy FixedRefinementStrategy [2018-07-23 13:50:21,219 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-07-23 13:50:21,551 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 13:50:21,551 INFO L309 seRefinementStrategy]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2018-07-23 13:50:21,551 INFO L324 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [77] total 77 [2018-07-23 13:50:21,551 INFO L142 lantAutomatonBuilder]: Constructing canonical interpolant automaton, with selfloop in false state [2018-07-23 13:50:21,552 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-07-23 13:50:21,552 INFO L185 omatonBuilderFactory]: Interpolants [27648#(and (<= ULTIMATE.start_main_~x~4 35) (<= 35 ULTIMATE.start_main_~x~4)), 27649#(and (<= 36 ULTIMATE.start_main_~x~4) (<= ULTIMATE.start_main_~x~4 36)), 27650#(and (<= ULTIMATE.start_main_~x~4 37) (<= 37 ULTIMATE.start_main_~x~4)), 27651#(and (<= 38 ULTIMATE.start_main_~x~4) (<= ULTIMATE.start_main_~x~4 38)), 27652#(and (<= ULTIMATE.start_main_~x~4 39) (<= 39 ULTIMATE.start_main_~x~4)), 27653#(and (<= ULTIMATE.start_main_~x~4 40) (<= 40 ULTIMATE.start_main_~x~4)), 27654#(and (<= ULTIMATE.start_main_~x~4 41) (<= 41 ULTIMATE.start_main_~x~4)), 27655#(and (<= ULTIMATE.start_main_~x~4 42) (<= 42 ULTIMATE.start_main_~x~4)), 27656#(and (<= ULTIMATE.start_main_~x~4 43) (<= 43 ULTIMATE.start_main_~x~4)), 27657#(and (<= 44 ULTIMATE.start_main_~x~4) (<= ULTIMATE.start_main_~x~4 44)), 27658#(and (<= 45 ULTIMATE.start_main_~x~4) (<= ULTIMATE.start_main_~x~4 45)), 27659#(and (<= ULTIMATE.start_main_~x~4 46) (<= 46 ULTIMATE.start_main_~x~4)), 27660#(and (<= 47 ULTIMATE.start_main_~x~4) (<= ULTIMATE.start_main_~x~4 47)), 27661#(and (<= 48 ULTIMATE.start_main_~x~4) (<= ULTIMATE.start_main_~x~4 48)), 27662#(and (<= 49 ULTIMATE.start_main_~x~4) (<= ULTIMATE.start_main_~x~4 49)), 27663#(and (<= ULTIMATE.start_main_~x~4 50) (<= 50 ULTIMATE.start_main_~x~4)), 27664#(and (<= 51 ULTIMATE.start_main_~x~4) (<= ULTIMATE.start_main_~x~4 51)), 27665#(and (<= ULTIMATE.start_main_~x~4 52) (<= 52 ULTIMATE.start_main_~x~4)), 27666#(and (<= 53 ULTIMATE.start_main_~x~4) (<= ULTIMATE.start_main_~x~4 53)), 27667#(and (<= ULTIMATE.start_main_~x~4 54) (<= 54 ULTIMATE.start_main_~x~4)), 27668#(and (<= 55 ULTIMATE.start_main_~x~4) (<= ULTIMATE.start_main_~x~4 55)), 27669#(and (<= 56 ULTIMATE.start_main_~x~4) (<= ULTIMATE.start_main_~x~4 56)), 27670#(and (<= 57 ULTIMATE.start_main_~x~4) (<= ULTIMATE.start_main_~x~4 57)), 27671#(and (<= 58 ULTIMATE.start_main_~x~4) (<= ULTIMATE.start_main_~x~4 58)), 27672#(and (<= ULTIMATE.start_main_~x~4 59) (<= 59 ULTIMATE.start_main_~x~4)), 27673#(and (<= 60 ULTIMATE.start_main_~x~4) (<= ULTIMATE.start_main_~x~4 60)), 27674#(and (<= 61 ULTIMATE.start_main_~x~4) (<= ULTIMATE.start_main_~x~4 61)), 27675#(and (<= ULTIMATE.start_main_~x~4 62) (<= 62 ULTIMATE.start_main_~x~4)), 27676#(and (<= 63 ULTIMATE.start_main_~x~4) (<= ULTIMATE.start_main_~x~4 63)), 27677#(and (<= ULTIMATE.start_main_~x~4 64) (<= 64 ULTIMATE.start_main_~x~4)), 27678#(and (<= 65 ULTIMATE.start_main_~x~4) (<= ULTIMATE.start_main_~x~4 65)), 27679#(and (<= 66 ULTIMATE.start_main_~x~4) (<= ULTIMATE.start_main_~x~4 66)), 27680#(and (<= 67 ULTIMATE.start_main_~x~4) (<= ULTIMATE.start_main_~x~4 67)), 27681#(and (<= ULTIMATE.start_main_~x~4 68) (<= 68 ULTIMATE.start_main_~x~4)), 27682#(and (<= 69 ULTIMATE.start_main_~x~4) (<= ULTIMATE.start_main_~x~4 69)), 27683#(and (<= ULTIMATE.start_main_~x~4 70) (<= 70 ULTIMATE.start_main_~x~4)), 27684#(and (<= 71 ULTIMATE.start_main_~x~4) (<= ULTIMATE.start_main_~x~4 71)), 27685#(and (<= 72 ULTIMATE.start_main_~x~4) (<= ULTIMATE.start_main_~x~4 72)), 27686#(and (<= ULTIMATE.start_main_~x~4 73) (<= 73 ULTIMATE.start_main_~x~4)), 27687#(and (<= 74 ULTIMATE.start_main_~x~4) (<= ULTIMATE.start_main_~x~4 74)), 27688#(and (<= ULTIMATE.start_main_~x~4 75) (<= 75 ULTIMATE.start_main_~x~4)), 27611#true, 27612#false, 27613#(and (<= ULTIMATE.start_main_~x~4 0) (<= 0 ULTIMATE.start_main_~x~4)), 27614#(and (<= ULTIMATE.start_main_~x~4 1) (<= 1 ULTIMATE.start_main_~x~4)), 27615#(and (<= 2 ULTIMATE.start_main_~x~4) (<= ULTIMATE.start_main_~x~4 2)), 27616#(and (<= 3 ULTIMATE.start_main_~x~4) (<= ULTIMATE.start_main_~x~4 3)), 27617#(and (<= ULTIMATE.start_main_~x~4 4) (<= 4 ULTIMATE.start_main_~x~4)), 27618#(and (<= ULTIMATE.start_main_~x~4 5) (<= 5 ULTIMATE.start_main_~x~4)), 27619#(and (<= 6 ULTIMATE.start_main_~x~4) (<= ULTIMATE.start_main_~x~4 6)), 27620#(and (<= ULTIMATE.start_main_~x~4 7) (<= 7 ULTIMATE.start_main_~x~4)), 27621#(and (<= ULTIMATE.start_main_~x~4 8) (<= 8 ULTIMATE.start_main_~x~4)), 27622#(and (<= 9 ULTIMATE.start_main_~x~4) (<= ULTIMATE.start_main_~x~4 9)), 27623#(and (<= ULTIMATE.start_main_~x~4 10) (<= 10 ULTIMATE.start_main_~x~4)), 27624#(and (<= ULTIMATE.start_main_~x~4 11) (<= 11 ULTIMATE.start_main_~x~4)), 27625#(and (<= 12 ULTIMATE.start_main_~x~4) (<= ULTIMATE.start_main_~x~4 12)), 27626#(and (<= ULTIMATE.start_main_~x~4 13) (<= 13 ULTIMATE.start_main_~x~4)), 27627#(and (<= 14 ULTIMATE.start_main_~x~4) (<= ULTIMATE.start_main_~x~4 14)), 27628#(and (<= 15 ULTIMATE.start_main_~x~4) (<= ULTIMATE.start_main_~x~4 15)), 27629#(and (<= ULTIMATE.start_main_~x~4 16) (<= 16 ULTIMATE.start_main_~x~4)), 27630#(and (<= ULTIMATE.start_main_~x~4 17) (<= 17 ULTIMATE.start_main_~x~4)), 27631#(and (<= 18 ULTIMATE.start_main_~x~4) (<= ULTIMATE.start_main_~x~4 18)), 27632#(and (<= 19 ULTIMATE.start_main_~x~4) (<= ULTIMATE.start_main_~x~4 19)), 27633#(and (<= 20 ULTIMATE.start_main_~x~4) (<= ULTIMATE.start_main_~x~4 20)), 27634#(and (<= ULTIMATE.start_main_~x~4 21) (<= 21 ULTIMATE.start_main_~x~4)), 27635#(and (<= ULTIMATE.start_main_~x~4 22) (<= 22 ULTIMATE.start_main_~x~4)), 27636#(and (<= ULTIMATE.start_main_~x~4 23) (<= 23 ULTIMATE.start_main_~x~4)), 27637#(and (<= ULTIMATE.start_main_~x~4 24) (<= 24 ULTIMATE.start_main_~x~4)), 27638#(and (<= ULTIMATE.start_main_~x~4 25) (<= 25 ULTIMATE.start_main_~x~4)), 27639#(and (<= ULTIMATE.start_main_~x~4 26) (<= 26 ULTIMATE.start_main_~x~4)), 27640#(and (<= ULTIMATE.start_main_~x~4 27) (<= 27 ULTIMATE.start_main_~x~4)), 27641#(and (<= ULTIMATE.start_main_~x~4 28) (<= 28 ULTIMATE.start_main_~x~4)), 27642#(and (<= 29 ULTIMATE.start_main_~x~4) (<= ULTIMATE.start_main_~x~4 29)), 27643#(and (<= ULTIMATE.start_main_~x~4 30) (<= 30 ULTIMATE.start_main_~x~4)), 27644#(and (<= ULTIMATE.start_main_~x~4 31) (<= 31 ULTIMATE.start_main_~x~4)), 27645#(and (<= ULTIMATE.start_main_~x~4 32) (<= 32 ULTIMATE.start_main_~x~4)), 27646#(and (<= ULTIMATE.start_main_~x~4 33) (<= 33 ULTIMATE.start_main_~x~4)), 27647#(and (<= 34 ULTIMATE.start_main_~x~4) (<= ULTIMATE.start_main_~x~4 34))] [2018-07-23 13:50:21,552 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 13:50:21,552 INFO L450 AbstractCegarLoop]: Interpolant automaton has 78 states [2018-07-23 13:50:21,553 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 78 interpolants. [2018-07-23 13:50:21,553 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=153, Invalid=5853, Unknown=0, NotChecked=0, Total=6006 [2018-07-23 13:50:21,553 INFO L87 Difference]: Start difference. First operand 155 states and 155 transitions. Second operand 78 states. [2018-07-23 13:50:21,999 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-07-23 13:50:21,999 INFO L93 Difference]: Finished difference Result 159 states and 159 transitions. [2018-07-23 13:50:21,999 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 78 states. [2018-07-23 13:50:21,999 INFO L78 Accepts]: Start accepts. Automaton has 78 states. Word has length 154 [2018-07-23 13:50:22,000 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-07-23 13:50:22,000 INFO L225 Difference]: With dead ends: 159 [2018-07-23 13:50:22,001 INFO L226 Difference]: Without dead ends: 157 [2018-07-23 13:50:22,001 INFO L575 BasicCegarLoop]: 0 DeclaredPredicates, 77 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 76 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=153, Invalid=5853, Unknown=0, NotChecked=0, Total=6006 [2018-07-23 13:50:22,002 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 157 states. [2018-07-23 13:50:22,012 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 157 to 157. [2018-07-23 13:50:22,013 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 157 states. [2018-07-23 13:50:22,013 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 157 states to 157 states and 157 transitions. [2018-07-23 13:50:22,019 INFO L78 Accepts]: Start accepts. Automaton has 157 states and 157 transitions. Word has length 154 [2018-07-23 13:50:22,020 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-07-23 13:50:22,020 INFO L471 AbstractCegarLoop]: Abstraction has 157 states and 157 transitions. [2018-07-23 13:50:22,020 INFO L472 AbstractCegarLoop]: Interpolant automaton has 78 states. [2018-07-23 13:50:22,020 INFO L276 IsEmpty]: Start isEmpty. Operand 157 states and 157 transitions. [2018-07-23 13:50:22,021 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 157 [2018-07-23 13:50:22,021 INFO L349 BasicCegarLoop]: Found error trace [2018-07-23 13:50:22,021 INFO L357 BasicCegarLoop]: trace histogram [77, 76, 1, 1, 1] [2018-07-23 13:50:22,021 INFO L414 AbstractCegarLoop]: === Iteration 77 === [ULTIMATE.startErr0AssertViolationASSERT]=== [2018-07-23 13:50:22,022 INFO L82 PathProgramCache]: Analyzing trace with hash -1961675265, now seen corresponding path program 76 times [2018-07-23 13:50:22,022 INFO L69 tionRefinementEngine]: Using refinement strategy FixedRefinementStrategy [2018-07-23 13:50:22,098 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-07-23 13:50:22,462 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 13:50:22,463 INFO L309 seRefinementStrategy]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2018-07-23 13:50:22,463 INFO L324 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [78] total 78 [2018-07-23 13:50:22,463 INFO L142 lantAutomatonBuilder]: Constructing canonical interpolant automaton, with selfloop in false state [2018-07-23 13:50:22,463 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-07-23 13:50:22,464 INFO L185 omatonBuilderFactory]: Interpolants [28321#true, 28322#false, 28323#(and (<= ULTIMATE.start_main_~x~4 0) (<= 0 ULTIMATE.start_main_~x~4)), 28324#(and (<= ULTIMATE.start_main_~x~4 1) (<= 1 ULTIMATE.start_main_~x~4)), 28325#(and (<= 2 ULTIMATE.start_main_~x~4) (<= ULTIMATE.start_main_~x~4 2)), 28326#(and (<= 3 ULTIMATE.start_main_~x~4) (<= ULTIMATE.start_main_~x~4 3)), 28327#(and (<= ULTIMATE.start_main_~x~4 4) (<= 4 ULTIMATE.start_main_~x~4)), 28328#(and (<= ULTIMATE.start_main_~x~4 5) (<= 5 ULTIMATE.start_main_~x~4)), 28329#(and (<= 6 ULTIMATE.start_main_~x~4) (<= ULTIMATE.start_main_~x~4 6)), 28330#(and (<= ULTIMATE.start_main_~x~4 7) (<= 7 ULTIMATE.start_main_~x~4)), 28331#(and (<= ULTIMATE.start_main_~x~4 8) (<= 8 ULTIMATE.start_main_~x~4)), 28332#(and (<= 9 ULTIMATE.start_main_~x~4) (<= ULTIMATE.start_main_~x~4 9)), 28333#(and (<= ULTIMATE.start_main_~x~4 10) (<= 10 ULTIMATE.start_main_~x~4)), 28334#(and (<= ULTIMATE.start_main_~x~4 11) (<= 11 ULTIMATE.start_main_~x~4)), 28335#(and (<= 12 ULTIMATE.start_main_~x~4) (<= ULTIMATE.start_main_~x~4 12)), 28336#(and (<= ULTIMATE.start_main_~x~4 13) (<= 13 ULTIMATE.start_main_~x~4)), 28337#(and (<= 14 ULTIMATE.start_main_~x~4) (<= ULTIMATE.start_main_~x~4 14)), 28338#(and (<= 15 ULTIMATE.start_main_~x~4) (<= ULTIMATE.start_main_~x~4 15)), 28339#(and (<= ULTIMATE.start_main_~x~4 16) (<= 16 ULTIMATE.start_main_~x~4)), 28340#(and (<= ULTIMATE.start_main_~x~4 17) (<= 17 ULTIMATE.start_main_~x~4)), 28341#(and (<= 18 ULTIMATE.start_main_~x~4) (<= ULTIMATE.start_main_~x~4 18)), 28342#(and (<= 19 ULTIMATE.start_main_~x~4) (<= ULTIMATE.start_main_~x~4 19)), 28343#(and (<= 20 ULTIMATE.start_main_~x~4) (<= ULTIMATE.start_main_~x~4 20)), 28344#(and (<= ULTIMATE.start_main_~x~4 21) (<= 21 ULTIMATE.start_main_~x~4)), 28345#(and (<= ULTIMATE.start_main_~x~4 22) (<= 22 ULTIMATE.start_main_~x~4)), 28346#(and (<= ULTIMATE.start_main_~x~4 23) (<= 23 ULTIMATE.start_main_~x~4)), 28347#(and (<= ULTIMATE.start_main_~x~4 24) (<= 24 ULTIMATE.start_main_~x~4)), 28348#(and (<= ULTIMATE.start_main_~x~4 25) (<= 25 ULTIMATE.start_main_~x~4)), 28349#(and (<= ULTIMATE.start_main_~x~4 26) (<= 26 ULTIMATE.start_main_~x~4)), 28350#(and (<= ULTIMATE.start_main_~x~4 27) (<= 27 ULTIMATE.start_main_~x~4)), 28351#(and (<= ULTIMATE.start_main_~x~4 28) (<= 28 ULTIMATE.start_main_~x~4)), 28352#(and (<= 29 ULTIMATE.start_main_~x~4) (<= ULTIMATE.start_main_~x~4 29)), 28353#(and (<= ULTIMATE.start_main_~x~4 30) (<= 30 ULTIMATE.start_main_~x~4)), 28354#(and (<= ULTIMATE.start_main_~x~4 31) (<= 31 ULTIMATE.start_main_~x~4)), 28355#(and (<= ULTIMATE.start_main_~x~4 32) (<= 32 ULTIMATE.start_main_~x~4)), 28356#(and (<= ULTIMATE.start_main_~x~4 33) (<= 33 ULTIMATE.start_main_~x~4)), 28357#(and (<= 34 ULTIMATE.start_main_~x~4) (<= ULTIMATE.start_main_~x~4 34)), 28358#(and (<= ULTIMATE.start_main_~x~4 35) (<= 35 ULTIMATE.start_main_~x~4)), 28359#(and (<= 36 ULTIMATE.start_main_~x~4) (<= ULTIMATE.start_main_~x~4 36)), 28360#(and (<= ULTIMATE.start_main_~x~4 37) (<= 37 ULTIMATE.start_main_~x~4)), 28361#(and (<= 38 ULTIMATE.start_main_~x~4) (<= ULTIMATE.start_main_~x~4 38)), 28362#(and (<= ULTIMATE.start_main_~x~4 39) (<= 39 ULTIMATE.start_main_~x~4)), 28363#(and (<= ULTIMATE.start_main_~x~4 40) (<= 40 ULTIMATE.start_main_~x~4)), 28364#(and (<= ULTIMATE.start_main_~x~4 41) (<= 41 ULTIMATE.start_main_~x~4)), 28365#(and (<= ULTIMATE.start_main_~x~4 42) (<= 42 ULTIMATE.start_main_~x~4)), 28366#(and (<= ULTIMATE.start_main_~x~4 43) (<= 43 ULTIMATE.start_main_~x~4)), 28367#(and (<= 44 ULTIMATE.start_main_~x~4) (<= ULTIMATE.start_main_~x~4 44)), 28368#(and (<= 45 ULTIMATE.start_main_~x~4) (<= ULTIMATE.start_main_~x~4 45)), 28369#(and (<= ULTIMATE.start_main_~x~4 46) (<= 46 ULTIMATE.start_main_~x~4)), 28370#(and (<= 47 ULTIMATE.start_main_~x~4) (<= ULTIMATE.start_main_~x~4 47)), 28371#(and (<= 48 ULTIMATE.start_main_~x~4) (<= ULTIMATE.start_main_~x~4 48)), 28372#(and (<= 49 ULTIMATE.start_main_~x~4) (<= ULTIMATE.start_main_~x~4 49)), 28373#(and (<= ULTIMATE.start_main_~x~4 50) (<= 50 ULTIMATE.start_main_~x~4)), 28374#(and (<= 51 ULTIMATE.start_main_~x~4) (<= ULTIMATE.start_main_~x~4 51)), 28375#(and (<= ULTIMATE.start_main_~x~4 52) (<= 52 ULTIMATE.start_main_~x~4)), 28376#(and (<= 53 ULTIMATE.start_main_~x~4) (<= ULTIMATE.start_main_~x~4 53)), 28377#(and (<= ULTIMATE.start_main_~x~4 54) (<= 54 ULTIMATE.start_main_~x~4)), 28378#(and (<= 55 ULTIMATE.start_main_~x~4) (<= ULTIMATE.start_main_~x~4 55)), 28379#(and (<= 56 ULTIMATE.start_main_~x~4) (<= ULTIMATE.start_main_~x~4 56)), 28380#(and (<= 57 ULTIMATE.start_main_~x~4) (<= ULTIMATE.start_main_~x~4 57)), 28381#(and (<= 58 ULTIMATE.start_main_~x~4) (<= ULTIMATE.start_main_~x~4 58)), 28382#(and (<= ULTIMATE.start_main_~x~4 59) (<= 59 ULTIMATE.start_main_~x~4)), 28383#(and (<= 60 ULTIMATE.start_main_~x~4) (<= ULTIMATE.start_main_~x~4 60)), 28384#(and (<= 61 ULTIMATE.start_main_~x~4) (<= ULTIMATE.start_main_~x~4 61)), 28385#(and (<= ULTIMATE.start_main_~x~4 62) (<= 62 ULTIMATE.start_main_~x~4)), 28386#(and (<= 63 ULTIMATE.start_main_~x~4) (<= ULTIMATE.start_main_~x~4 63)), 28387#(and (<= ULTIMATE.start_main_~x~4 64) (<= 64 ULTIMATE.start_main_~x~4)), 28388#(and (<= 65 ULTIMATE.start_main_~x~4) (<= ULTIMATE.start_main_~x~4 65)), 28389#(and (<= 66 ULTIMATE.start_main_~x~4) (<= ULTIMATE.start_main_~x~4 66)), 28390#(and (<= 67 ULTIMATE.start_main_~x~4) (<= ULTIMATE.start_main_~x~4 67)), 28391#(and (<= ULTIMATE.start_main_~x~4 68) (<= 68 ULTIMATE.start_main_~x~4)), 28392#(and (<= 69 ULTIMATE.start_main_~x~4) (<= ULTIMATE.start_main_~x~4 69)), 28393#(and (<= ULTIMATE.start_main_~x~4 70) (<= 70 ULTIMATE.start_main_~x~4)), 28394#(and (<= 71 ULTIMATE.start_main_~x~4) (<= ULTIMATE.start_main_~x~4 71)), 28395#(and (<= 72 ULTIMATE.start_main_~x~4) (<= ULTIMATE.start_main_~x~4 72)), 28396#(and (<= ULTIMATE.start_main_~x~4 73) (<= 73 ULTIMATE.start_main_~x~4)), 28397#(and (<= 74 ULTIMATE.start_main_~x~4) (<= ULTIMATE.start_main_~x~4 74)), 28398#(and (<= ULTIMATE.start_main_~x~4 75) (<= 75 ULTIMATE.start_main_~x~4)), 28399#(and (<= ULTIMATE.start_main_~x~4 76) (<= 76 ULTIMATE.start_main_~x~4))] [2018-07-23 13:50:22,464 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 13:50:22,464 INFO L450 AbstractCegarLoop]: Interpolant automaton has 79 states [2018-07-23 13:50:22,464 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 79 interpolants. [2018-07-23 13:50:22,465 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=155, Invalid=6007, Unknown=0, NotChecked=0, Total=6162 [2018-07-23 13:50:22,465 INFO L87 Difference]: Start difference. First operand 157 states and 157 transitions. Second operand 79 states. [2018-07-23 13:50:22,895 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-07-23 13:50:22,895 INFO L93 Difference]: Finished difference Result 161 states and 161 transitions. [2018-07-23 13:50:22,896 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 79 states. [2018-07-23 13:50:22,896 INFO L78 Accepts]: Start accepts. Automaton has 79 states. Word has length 156 [2018-07-23 13:50:22,896 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-07-23 13:50:22,897 INFO L225 Difference]: With dead ends: 161 [2018-07-23 13:50:22,897 INFO L226 Difference]: Without dead ends: 159 [2018-07-23 13:50:22,898 INFO L575 BasicCegarLoop]: 0 DeclaredPredicates, 78 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 77 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=155, Invalid=6007, Unknown=0, NotChecked=0, Total=6162 [2018-07-23 13:50:22,898 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 159 states. [2018-07-23 13:50:22,904 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 159 to 159. [2018-07-23 13:50:22,904 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 159 states. [2018-07-23 13:50:22,905 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 159 states to 159 states and 159 transitions. [2018-07-23 13:50:22,905 INFO L78 Accepts]: Start accepts. Automaton has 159 states and 159 transitions. Word has length 156 [2018-07-23 13:50:22,905 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-07-23 13:50:22,905 INFO L471 AbstractCegarLoop]: Abstraction has 159 states and 159 transitions. [2018-07-23 13:50:22,905 INFO L472 AbstractCegarLoop]: Interpolant automaton has 79 states. [2018-07-23 13:50:22,905 INFO L276 IsEmpty]: Start isEmpty. Operand 159 states and 159 transitions. [2018-07-23 13:50:22,906 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 159 [2018-07-23 13:50:22,906 INFO L349 BasicCegarLoop]: Found error trace [2018-07-23 13:50:22,906 INFO L357 BasicCegarLoop]: trace histogram [78, 77, 1, 1, 1] [2018-07-23 13:50:22,907 INFO L414 AbstractCegarLoop]: === Iteration 78 === [ULTIMATE.startErr0AssertViolationASSERT]=== [2018-07-23 13:50:22,907 INFO L82 PathProgramCache]: Analyzing trace with hash 320765369, now seen corresponding path program 77 times [2018-07-23 13:50:22,907 INFO L69 tionRefinementEngine]: Using refinement strategy FixedRefinementStrategy [2018-07-23 13:50:22,962 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-07-23 13:50:23,345 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 13:50:23,346 INFO L309 seRefinementStrategy]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2018-07-23 13:50:23,346 INFO L324 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [79] total 79 [2018-07-23 13:50:23,346 INFO L142 lantAutomatonBuilder]: Constructing canonical interpolant automaton, with selfloop in false state [2018-07-23 13:50:23,346 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 13:50:23,346 INFO L185 omatonBuilderFactory]: Interpolants [29056#(and (<= 14 ULTIMATE.start_main_~x~4) (<= ULTIMATE.start_main_~x~4 14)), 29057#(and (<= 15 ULTIMATE.start_main_~x~4) (<= ULTIMATE.start_main_~x~4 15)), 29058#(and (<= ULTIMATE.start_main_~x~4 16) (<= 16 ULTIMATE.start_main_~x~4)), 29059#(and (<= ULTIMATE.start_main_~x~4 17) (<= 17 ULTIMATE.start_main_~x~4)), 29060#(and (<= 18 ULTIMATE.start_main_~x~4) (<= ULTIMATE.start_main_~x~4 18)), 29061#(and (<= 19 ULTIMATE.start_main_~x~4) (<= ULTIMATE.start_main_~x~4 19)), 29062#(and (<= 20 ULTIMATE.start_main_~x~4) (<= ULTIMATE.start_main_~x~4 20)), 29063#(and (<= ULTIMATE.start_main_~x~4 21) (<= 21 ULTIMATE.start_main_~x~4)), 29064#(and (<= ULTIMATE.start_main_~x~4 22) (<= 22 ULTIMATE.start_main_~x~4)), 29065#(and (<= ULTIMATE.start_main_~x~4 23) (<= 23 ULTIMATE.start_main_~x~4)), 29066#(and (<= ULTIMATE.start_main_~x~4 24) (<= 24 ULTIMATE.start_main_~x~4)), 29067#(and (<= ULTIMATE.start_main_~x~4 25) (<= 25 ULTIMATE.start_main_~x~4)), 29068#(and (<= ULTIMATE.start_main_~x~4 26) (<= 26 ULTIMATE.start_main_~x~4)), 29069#(and (<= ULTIMATE.start_main_~x~4 27) (<= 27 ULTIMATE.start_main_~x~4)), 29070#(and (<= ULTIMATE.start_main_~x~4 28) (<= 28 ULTIMATE.start_main_~x~4)), 29071#(and (<= 29 ULTIMATE.start_main_~x~4) (<= ULTIMATE.start_main_~x~4 29)), 29072#(and (<= ULTIMATE.start_main_~x~4 30) (<= 30 ULTIMATE.start_main_~x~4)), 29073#(and (<= ULTIMATE.start_main_~x~4 31) (<= 31 ULTIMATE.start_main_~x~4)), 29074#(and (<= ULTIMATE.start_main_~x~4 32) (<= 32 ULTIMATE.start_main_~x~4)), 29075#(and (<= ULTIMATE.start_main_~x~4 33) (<= 33 ULTIMATE.start_main_~x~4)), 29076#(and (<= 34 ULTIMATE.start_main_~x~4) (<= ULTIMATE.start_main_~x~4 34)), 29077#(and (<= ULTIMATE.start_main_~x~4 35) (<= 35 ULTIMATE.start_main_~x~4)), 29078#(and (<= 36 ULTIMATE.start_main_~x~4) (<= ULTIMATE.start_main_~x~4 36)), 29079#(and (<= ULTIMATE.start_main_~x~4 37) (<= 37 ULTIMATE.start_main_~x~4)), 29080#(and (<= 38 ULTIMATE.start_main_~x~4) (<= ULTIMATE.start_main_~x~4 38)), 29081#(and (<= ULTIMATE.start_main_~x~4 39) (<= 39 ULTIMATE.start_main_~x~4)), 29082#(and (<= ULTIMATE.start_main_~x~4 40) (<= 40 ULTIMATE.start_main_~x~4)), 29083#(and (<= ULTIMATE.start_main_~x~4 41) (<= 41 ULTIMATE.start_main_~x~4)), 29084#(and (<= ULTIMATE.start_main_~x~4 42) (<= 42 ULTIMATE.start_main_~x~4)), 29085#(and (<= ULTIMATE.start_main_~x~4 43) (<= 43 ULTIMATE.start_main_~x~4)), 29086#(and (<= 44 ULTIMATE.start_main_~x~4) (<= ULTIMATE.start_main_~x~4 44)), 29087#(and (<= 45 ULTIMATE.start_main_~x~4) (<= ULTIMATE.start_main_~x~4 45)), 29088#(and (<= ULTIMATE.start_main_~x~4 46) (<= 46 ULTIMATE.start_main_~x~4)), 29089#(and (<= 47 ULTIMATE.start_main_~x~4) (<= ULTIMATE.start_main_~x~4 47)), 29090#(and (<= 48 ULTIMATE.start_main_~x~4) (<= ULTIMATE.start_main_~x~4 48)), 29091#(and (<= 49 ULTIMATE.start_main_~x~4) (<= ULTIMATE.start_main_~x~4 49)), 29092#(and (<= ULTIMATE.start_main_~x~4 50) (<= 50 ULTIMATE.start_main_~x~4)), 29093#(and (<= 51 ULTIMATE.start_main_~x~4) (<= ULTIMATE.start_main_~x~4 51)), 29094#(and (<= ULTIMATE.start_main_~x~4 52) (<= 52 ULTIMATE.start_main_~x~4)), 29095#(and (<= 53 ULTIMATE.start_main_~x~4) (<= ULTIMATE.start_main_~x~4 53)), 29096#(and (<= ULTIMATE.start_main_~x~4 54) (<= 54 ULTIMATE.start_main_~x~4)), 29097#(and (<= 55 ULTIMATE.start_main_~x~4) (<= ULTIMATE.start_main_~x~4 55)), 29098#(and (<= 56 ULTIMATE.start_main_~x~4) (<= ULTIMATE.start_main_~x~4 56)), 29099#(and (<= 57 ULTIMATE.start_main_~x~4) (<= ULTIMATE.start_main_~x~4 57)), 29100#(and (<= 58 ULTIMATE.start_main_~x~4) (<= ULTIMATE.start_main_~x~4 58)), 29101#(and (<= ULTIMATE.start_main_~x~4 59) (<= 59 ULTIMATE.start_main_~x~4)), 29102#(and (<= 60 ULTIMATE.start_main_~x~4) (<= ULTIMATE.start_main_~x~4 60)), 29103#(and (<= 61 ULTIMATE.start_main_~x~4) (<= ULTIMATE.start_main_~x~4 61)), 29104#(and (<= ULTIMATE.start_main_~x~4 62) (<= 62 ULTIMATE.start_main_~x~4)), 29105#(and (<= 63 ULTIMATE.start_main_~x~4) (<= ULTIMATE.start_main_~x~4 63)), 29106#(and (<= ULTIMATE.start_main_~x~4 64) (<= 64 ULTIMATE.start_main_~x~4)), 29107#(and (<= 65 ULTIMATE.start_main_~x~4) (<= ULTIMATE.start_main_~x~4 65)), 29108#(and (<= 66 ULTIMATE.start_main_~x~4) (<= ULTIMATE.start_main_~x~4 66)), 29109#(and (<= 67 ULTIMATE.start_main_~x~4) (<= ULTIMATE.start_main_~x~4 67)), 29110#(and (<= ULTIMATE.start_main_~x~4 68) (<= 68 ULTIMATE.start_main_~x~4)), 29111#(and (<= 69 ULTIMATE.start_main_~x~4) (<= ULTIMATE.start_main_~x~4 69)), 29112#(and (<= ULTIMATE.start_main_~x~4 70) (<= 70 ULTIMATE.start_main_~x~4)), 29113#(and (<= 71 ULTIMATE.start_main_~x~4) (<= ULTIMATE.start_main_~x~4 71)), 29114#(and (<= 72 ULTIMATE.start_main_~x~4) (<= ULTIMATE.start_main_~x~4 72)), 29115#(and (<= ULTIMATE.start_main_~x~4 73) (<= 73 ULTIMATE.start_main_~x~4)), 29116#(and (<= 74 ULTIMATE.start_main_~x~4) (<= ULTIMATE.start_main_~x~4 74)), 29117#(and (<= ULTIMATE.start_main_~x~4 75) (<= 75 ULTIMATE.start_main_~x~4)), 29118#(and (<= ULTIMATE.start_main_~x~4 76) (<= 76 ULTIMATE.start_main_~x~4)), 29119#(and (<= ULTIMATE.start_main_~x~4 77) (<= 77 ULTIMATE.start_main_~x~4)), 29040#true, 29041#false, 29042#(and (<= ULTIMATE.start_main_~x~4 0) (<= 0 ULTIMATE.start_main_~x~4)), 29043#(and (<= ULTIMATE.start_main_~x~4 1) (<= 1 ULTIMATE.start_main_~x~4)), 29044#(and (<= 2 ULTIMATE.start_main_~x~4) (<= ULTIMATE.start_main_~x~4 2)), 29045#(and (<= 3 ULTIMATE.start_main_~x~4) (<= ULTIMATE.start_main_~x~4 3)), 29046#(and (<= ULTIMATE.start_main_~x~4 4) (<= 4 ULTIMATE.start_main_~x~4)), 29047#(and (<= ULTIMATE.start_main_~x~4 5) (<= 5 ULTIMATE.start_main_~x~4)), 29048#(and (<= 6 ULTIMATE.start_main_~x~4) (<= ULTIMATE.start_main_~x~4 6)), 29049#(and (<= ULTIMATE.start_main_~x~4 7) (<= 7 ULTIMATE.start_main_~x~4)), 29050#(and (<= ULTIMATE.start_main_~x~4 8) (<= 8 ULTIMATE.start_main_~x~4)), 29051#(and (<= 9 ULTIMATE.start_main_~x~4) (<= ULTIMATE.start_main_~x~4 9)), 29052#(and (<= ULTIMATE.start_main_~x~4 10) (<= 10 ULTIMATE.start_main_~x~4)), 29053#(and (<= ULTIMATE.start_main_~x~4 11) (<= 11 ULTIMATE.start_main_~x~4)), 29054#(and (<= 12 ULTIMATE.start_main_~x~4) (<= ULTIMATE.start_main_~x~4 12)), 29055#(and (<= ULTIMATE.start_main_~x~4 13) (<= 13 ULTIMATE.start_main_~x~4))] [2018-07-23 13:50:23,347 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 13:50:23,347 INFO L450 AbstractCegarLoop]: Interpolant automaton has 80 states [2018-07-23 13:50:23,347 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 80 interpolants. [2018-07-23 13:50:23,348 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=157, Invalid=6163, Unknown=0, NotChecked=0, Total=6320 [2018-07-23 13:50:23,348 INFO L87 Difference]: Start difference. First operand 159 states and 159 transitions. Second operand 80 states. [2018-07-23 13:50:23,846 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-07-23 13:50:23,846 INFO L93 Difference]: Finished difference Result 163 states and 163 transitions. [2018-07-23 13:50:23,846 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 80 states. [2018-07-23 13:50:23,846 INFO L78 Accepts]: Start accepts. Automaton has 80 states. Word has length 158 [2018-07-23 13:50:23,847 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-07-23 13:50:23,847 INFO L225 Difference]: With dead ends: 163 [2018-07-23 13:50:23,847 INFO L226 Difference]: Without dead ends: 161 [2018-07-23 13:50:23,848 INFO L575 BasicCegarLoop]: 0 DeclaredPredicates, 79 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 78 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=157, Invalid=6163, Unknown=0, NotChecked=0, Total=6320 [2018-07-23 13:50:23,848 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 161 states. [2018-07-23 13:50:23,855 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 161 to 161. [2018-07-23 13:50:23,855 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 161 states. [2018-07-23 13:50:23,856 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 161 states to 161 states and 161 transitions. [2018-07-23 13:50:23,856 INFO L78 Accepts]: Start accepts. Automaton has 161 states and 161 transitions. Word has length 158 [2018-07-23 13:50:23,856 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-07-23 13:50:23,857 INFO L471 AbstractCegarLoop]: Abstraction has 161 states and 161 transitions. [2018-07-23 13:50:23,857 INFO L472 AbstractCegarLoop]: Interpolant automaton has 80 states. [2018-07-23 13:50:23,857 INFO L276 IsEmpty]: Start isEmpty. Operand 161 states and 161 transitions. [2018-07-23 13:50:23,858 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 161 [2018-07-23 13:50:23,858 INFO L349 BasicCegarLoop]: Found error trace [2018-07-23 13:50:23,858 INFO L357 BasicCegarLoop]: trace histogram [79, 78, 1, 1, 1] [2018-07-23 13:50:23,858 INFO L414 AbstractCegarLoop]: === Iteration 79 === [ULTIMATE.startErr0AssertViolationASSERT]=== [2018-07-23 13:50:23,858 INFO L82 PathProgramCache]: Analyzing trace with hash -982073613, now seen corresponding path program 78 times [2018-07-23 13:50:23,858 INFO L69 tionRefinementEngine]: Using refinement strategy FixedRefinementStrategy [2018-07-23 13:50:23,919 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-07-23 13:50:24,310 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 13:50:24,310 INFO L309 seRefinementStrategy]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2018-07-23 13:50:24,310 INFO L324 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [80] total 80 [2018-07-23 13:50:24,311 INFO L142 lantAutomatonBuilder]: Constructing canonical interpolant automaton, with selfloop in false state [2018-07-23 13:50:24,311 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-07-23 13:50:24,311 INFO L185 omatonBuilderFactory]: Interpolants [29824#(and (<= ULTIMATE.start_main_~x~4 54) (<= 54 ULTIMATE.start_main_~x~4)), 29825#(and (<= 55 ULTIMATE.start_main_~x~4) (<= ULTIMATE.start_main_~x~4 55)), 29826#(and (<= 56 ULTIMATE.start_main_~x~4) (<= ULTIMATE.start_main_~x~4 56)), 29827#(and (<= 57 ULTIMATE.start_main_~x~4) (<= ULTIMATE.start_main_~x~4 57)), 29828#(and (<= 58 ULTIMATE.start_main_~x~4) (<= ULTIMATE.start_main_~x~4 58)), 29829#(and (<= ULTIMATE.start_main_~x~4 59) (<= 59 ULTIMATE.start_main_~x~4)), 29830#(and (<= 60 ULTIMATE.start_main_~x~4) (<= ULTIMATE.start_main_~x~4 60)), 29831#(and (<= 61 ULTIMATE.start_main_~x~4) (<= ULTIMATE.start_main_~x~4 61)), 29832#(and (<= ULTIMATE.start_main_~x~4 62) (<= 62 ULTIMATE.start_main_~x~4)), 29833#(and (<= 63 ULTIMATE.start_main_~x~4) (<= ULTIMATE.start_main_~x~4 63)), 29834#(and (<= ULTIMATE.start_main_~x~4 64) (<= 64 ULTIMATE.start_main_~x~4)), 29835#(and (<= 65 ULTIMATE.start_main_~x~4) (<= ULTIMATE.start_main_~x~4 65)), 29836#(and (<= 66 ULTIMATE.start_main_~x~4) (<= ULTIMATE.start_main_~x~4 66)), 29837#(and (<= 67 ULTIMATE.start_main_~x~4) (<= ULTIMATE.start_main_~x~4 67)), 29838#(and (<= ULTIMATE.start_main_~x~4 68) (<= 68 ULTIMATE.start_main_~x~4)), 29839#(and (<= 69 ULTIMATE.start_main_~x~4) (<= ULTIMATE.start_main_~x~4 69)), 29840#(and (<= ULTIMATE.start_main_~x~4 70) (<= 70 ULTIMATE.start_main_~x~4)), 29841#(and (<= 71 ULTIMATE.start_main_~x~4) (<= ULTIMATE.start_main_~x~4 71)), 29842#(and (<= 72 ULTIMATE.start_main_~x~4) (<= ULTIMATE.start_main_~x~4 72)), 29843#(and (<= ULTIMATE.start_main_~x~4 73) (<= 73 ULTIMATE.start_main_~x~4)), 29844#(and (<= 74 ULTIMATE.start_main_~x~4) (<= ULTIMATE.start_main_~x~4 74)), 29845#(and (<= ULTIMATE.start_main_~x~4 75) (<= 75 ULTIMATE.start_main_~x~4)), 29846#(and (<= ULTIMATE.start_main_~x~4 76) (<= 76 ULTIMATE.start_main_~x~4)), 29847#(and (<= ULTIMATE.start_main_~x~4 77) (<= 77 ULTIMATE.start_main_~x~4)), 29848#(and (<= ULTIMATE.start_main_~x~4 78) (<= 78 ULTIMATE.start_main_~x~4)), 29768#true, 29769#false, 29770#(and (<= ULTIMATE.start_main_~x~4 0) (<= 0 ULTIMATE.start_main_~x~4)), 29771#(and (<= ULTIMATE.start_main_~x~4 1) (<= 1 ULTIMATE.start_main_~x~4)), 29772#(and (<= 2 ULTIMATE.start_main_~x~4) (<= ULTIMATE.start_main_~x~4 2)), 29773#(and (<= 3 ULTIMATE.start_main_~x~4) (<= ULTIMATE.start_main_~x~4 3)), 29774#(and (<= ULTIMATE.start_main_~x~4 4) (<= 4 ULTIMATE.start_main_~x~4)), 29775#(and (<= ULTIMATE.start_main_~x~4 5) (<= 5 ULTIMATE.start_main_~x~4)), 29776#(and (<= 6 ULTIMATE.start_main_~x~4) (<= ULTIMATE.start_main_~x~4 6)), 29777#(and (<= ULTIMATE.start_main_~x~4 7) (<= 7 ULTIMATE.start_main_~x~4)), 29778#(and (<= ULTIMATE.start_main_~x~4 8) (<= 8 ULTIMATE.start_main_~x~4)), 29779#(and (<= 9 ULTIMATE.start_main_~x~4) (<= ULTIMATE.start_main_~x~4 9)), 29780#(and (<= ULTIMATE.start_main_~x~4 10) (<= 10 ULTIMATE.start_main_~x~4)), 29781#(and (<= ULTIMATE.start_main_~x~4 11) (<= 11 ULTIMATE.start_main_~x~4)), 29782#(and (<= 12 ULTIMATE.start_main_~x~4) (<= ULTIMATE.start_main_~x~4 12)), 29783#(and (<= ULTIMATE.start_main_~x~4 13) (<= 13 ULTIMATE.start_main_~x~4)), 29784#(and (<= 14 ULTIMATE.start_main_~x~4) (<= ULTIMATE.start_main_~x~4 14)), 29785#(and (<= 15 ULTIMATE.start_main_~x~4) (<= ULTIMATE.start_main_~x~4 15)), 29786#(and (<= ULTIMATE.start_main_~x~4 16) (<= 16 ULTIMATE.start_main_~x~4)), 29787#(and (<= ULTIMATE.start_main_~x~4 17) (<= 17 ULTIMATE.start_main_~x~4)), 29788#(and (<= 18 ULTIMATE.start_main_~x~4) (<= ULTIMATE.start_main_~x~4 18)), 29789#(and (<= 19 ULTIMATE.start_main_~x~4) (<= ULTIMATE.start_main_~x~4 19)), 29790#(and (<= 20 ULTIMATE.start_main_~x~4) (<= ULTIMATE.start_main_~x~4 20)), 29791#(and (<= ULTIMATE.start_main_~x~4 21) (<= 21 ULTIMATE.start_main_~x~4)), 29792#(and (<= ULTIMATE.start_main_~x~4 22) (<= 22 ULTIMATE.start_main_~x~4)), 29793#(and (<= ULTIMATE.start_main_~x~4 23) (<= 23 ULTIMATE.start_main_~x~4)), 29794#(and (<= ULTIMATE.start_main_~x~4 24) (<= 24 ULTIMATE.start_main_~x~4)), 29795#(and (<= ULTIMATE.start_main_~x~4 25) (<= 25 ULTIMATE.start_main_~x~4)), 29796#(and (<= ULTIMATE.start_main_~x~4 26) (<= 26 ULTIMATE.start_main_~x~4)), 29797#(and (<= ULTIMATE.start_main_~x~4 27) (<= 27 ULTIMATE.start_main_~x~4)), 29798#(and (<= ULTIMATE.start_main_~x~4 28) (<= 28 ULTIMATE.start_main_~x~4)), 29799#(and (<= 29 ULTIMATE.start_main_~x~4) (<= ULTIMATE.start_main_~x~4 29)), 29800#(and (<= ULTIMATE.start_main_~x~4 30) (<= 30 ULTIMATE.start_main_~x~4)), 29801#(and (<= ULTIMATE.start_main_~x~4 31) (<= 31 ULTIMATE.start_main_~x~4)), 29802#(and (<= ULTIMATE.start_main_~x~4 32) (<= 32 ULTIMATE.start_main_~x~4)), 29803#(and (<= ULTIMATE.start_main_~x~4 33) (<= 33 ULTIMATE.start_main_~x~4)), 29804#(and (<= 34 ULTIMATE.start_main_~x~4) (<= ULTIMATE.start_main_~x~4 34)), 29805#(and (<= ULTIMATE.start_main_~x~4 35) (<= 35 ULTIMATE.start_main_~x~4)), 29806#(and (<= 36 ULTIMATE.start_main_~x~4) (<= ULTIMATE.start_main_~x~4 36)), 29807#(and (<= ULTIMATE.start_main_~x~4 37) (<= 37 ULTIMATE.start_main_~x~4)), 29808#(and (<= 38 ULTIMATE.start_main_~x~4) (<= ULTIMATE.start_main_~x~4 38)), 29809#(and (<= ULTIMATE.start_main_~x~4 39) (<= 39 ULTIMATE.start_main_~x~4)), 29810#(and (<= ULTIMATE.start_main_~x~4 40) (<= 40 ULTIMATE.start_main_~x~4)), 29811#(and (<= ULTIMATE.start_main_~x~4 41) (<= 41 ULTIMATE.start_main_~x~4)), 29812#(and (<= ULTIMATE.start_main_~x~4 42) (<= 42 ULTIMATE.start_main_~x~4)), 29813#(and (<= ULTIMATE.start_main_~x~4 43) (<= 43 ULTIMATE.start_main_~x~4)), 29814#(and (<= 44 ULTIMATE.start_main_~x~4) (<= ULTIMATE.start_main_~x~4 44)), 29815#(and (<= 45 ULTIMATE.start_main_~x~4) (<= ULTIMATE.start_main_~x~4 45)), 29816#(and (<= ULTIMATE.start_main_~x~4 46) (<= 46 ULTIMATE.start_main_~x~4)), 29817#(and (<= 47 ULTIMATE.start_main_~x~4) (<= ULTIMATE.start_main_~x~4 47)), 29818#(and (<= 48 ULTIMATE.start_main_~x~4) (<= ULTIMATE.start_main_~x~4 48)), 29819#(and (<= 49 ULTIMATE.start_main_~x~4) (<= ULTIMATE.start_main_~x~4 49)), 29820#(and (<= ULTIMATE.start_main_~x~4 50) (<= 50 ULTIMATE.start_main_~x~4)), 29821#(and (<= 51 ULTIMATE.start_main_~x~4) (<= ULTIMATE.start_main_~x~4 51)), 29822#(and (<= ULTIMATE.start_main_~x~4 52) (<= 52 ULTIMATE.start_main_~x~4)), 29823#(and (<= 53 ULTIMATE.start_main_~x~4) (<= ULTIMATE.start_main_~x~4 53))] [2018-07-23 13:50:24,312 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 13:50:24,312 INFO L450 AbstractCegarLoop]: Interpolant automaton has 81 states [2018-07-23 13:50:24,312 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 81 interpolants. [2018-07-23 13:50:24,313 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=159, Invalid=6321, Unknown=0, NotChecked=0, Total=6480 [2018-07-23 13:50:24,313 INFO L87 Difference]: Start difference. First operand 161 states and 161 transitions. Second operand 81 states. [2018-07-23 13:50:24,839 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-07-23 13:50:24,839 INFO L93 Difference]: Finished difference Result 165 states and 165 transitions. [2018-07-23 13:50:24,839 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 81 states. [2018-07-23 13:50:24,839 INFO L78 Accepts]: Start accepts. Automaton has 81 states. Word has length 160 [2018-07-23 13:50:24,840 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-07-23 13:50:24,841 INFO L225 Difference]: With dead ends: 165 [2018-07-23 13:50:24,841 INFO L226 Difference]: Without dead ends: 163 [2018-07-23 13:50:24,842 INFO L575 BasicCegarLoop]: 0 DeclaredPredicates, 80 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 79 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=159, Invalid=6321, Unknown=0, NotChecked=0, Total=6480 [2018-07-23 13:50:24,842 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 163 states. [2018-07-23 13:50:24,849 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 163 to 163. [2018-07-23 13:50:24,850 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 163 states. [2018-07-23 13:50:24,850 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 163 states to 163 states and 163 transitions. [2018-07-23 13:50:24,850 INFO L78 Accepts]: Start accepts. Automaton has 163 states and 163 transitions. Word has length 160 [2018-07-23 13:50:24,851 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-07-23 13:50:24,851 INFO L471 AbstractCegarLoop]: Abstraction has 163 states and 163 transitions. [2018-07-23 13:50:24,851 INFO L472 AbstractCegarLoop]: Interpolant automaton has 81 states. [2018-07-23 13:50:24,851 INFO L276 IsEmpty]: Start isEmpty. Operand 163 states and 163 transitions. [2018-07-23 13:50:24,852 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 163 [2018-07-23 13:50:24,852 INFO L349 BasicCegarLoop]: Found error trace [2018-07-23 13:50:24,852 INFO L357 BasicCegarLoop]: trace histogram [80, 79, 1, 1, 1] [2018-07-23 13:50:24,852 INFO L414 AbstractCegarLoop]: === Iteration 80 === [ULTIMATE.startErr0AssertViolationASSERT]=== [2018-07-23 13:50:24,852 INFO L82 PathProgramCache]: Analyzing trace with hash 1120115117, now seen corresponding path program 79 times [2018-07-23 13:50:24,853 INFO L69 tionRefinementEngine]: Using refinement strategy FixedRefinementStrategy [2018-07-23 13:50:24,932 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-07-23 13:50:25,299 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 13:50:25,299 INFO L309 seRefinementStrategy]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2018-07-23 13:50:25,299 INFO L324 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [81] total 81 [2018-07-23 13:50:25,299 INFO L142 lantAutomatonBuilder]: Constructing canonical interpolant automaton, with selfloop in false state [2018-07-23 13:50:25,300 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-07-23 13:50:25,300 INFO L185 omatonBuilderFactory]: Interpolants [30505#true, 30506#false, 30507#(and (<= ULTIMATE.start_main_~x~4 0) (<= 0 ULTIMATE.start_main_~x~4)), 30508#(and (<= ULTIMATE.start_main_~x~4 1) (<= 1 ULTIMATE.start_main_~x~4)), 30509#(and (<= 2 ULTIMATE.start_main_~x~4) (<= ULTIMATE.start_main_~x~4 2)), 30510#(and (<= 3 ULTIMATE.start_main_~x~4) (<= ULTIMATE.start_main_~x~4 3)), 30511#(and (<= ULTIMATE.start_main_~x~4 4) (<= 4 ULTIMATE.start_main_~x~4)), 30512#(and (<= ULTIMATE.start_main_~x~4 5) (<= 5 ULTIMATE.start_main_~x~4)), 30513#(and (<= 6 ULTIMATE.start_main_~x~4) (<= ULTIMATE.start_main_~x~4 6)), 30514#(and (<= ULTIMATE.start_main_~x~4 7) (<= 7 ULTIMATE.start_main_~x~4)), 30515#(and (<= ULTIMATE.start_main_~x~4 8) (<= 8 ULTIMATE.start_main_~x~4)), 30516#(and (<= 9 ULTIMATE.start_main_~x~4) (<= ULTIMATE.start_main_~x~4 9)), 30517#(and (<= ULTIMATE.start_main_~x~4 10) (<= 10 ULTIMATE.start_main_~x~4)), 30518#(and (<= ULTIMATE.start_main_~x~4 11) (<= 11 ULTIMATE.start_main_~x~4)), 30519#(and (<= 12 ULTIMATE.start_main_~x~4) (<= ULTIMATE.start_main_~x~4 12)), 30520#(and (<= ULTIMATE.start_main_~x~4 13) (<= 13 ULTIMATE.start_main_~x~4)), 30521#(and (<= 14 ULTIMATE.start_main_~x~4) (<= ULTIMATE.start_main_~x~4 14)), 30522#(and (<= 15 ULTIMATE.start_main_~x~4) (<= ULTIMATE.start_main_~x~4 15)), 30523#(and (<= ULTIMATE.start_main_~x~4 16) (<= 16 ULTIMATE.start_main_~x~4)), 30524#(and (<= ULTIMATE.start_main_~x~4 17) (<= 17 ULTIMATE.start_main_~x~4)), 30525#(and (<= 18 ULTIMATE.start_main_~x~4) (<= ULTIMATE.start_main_~x~4 18)), 30526#(and (<= 19 ULTIMATE.start_main_~x~4) (<= ULTIMATE.start_main_~x~4 19)), 30527#(and (<= 20 ULTIMATE.start_main_~x~4) (<= ULTIMATE.start_main_~x~4 20)), 30528#(and (<= ULTIMATE.start_main_~x~4 21) (<= 21 ULTIMATE.start_main_~x~4)), 30529#(and (<= ULTIMATE.start_main_~x~4 22) (<= 22 ULTIMATE.start_main_~x~4)), 30530#(and (<= ULTIMATE.start_main_~x~4 23) (<= 23 ULTIMATE.start_main_~x~4)), 30531#(and (<= ULTIMATE.start_main_~x~4 24) (<= 24 ULTIMATE.start_main_~x~4)), 30532#(and (<= ULTIMATE.start_main_~x~4 25) (<= 25 ULTIMATE.start_main_~x~4)), 30533#(and (<= ULTIMATE.start_main_~x~4 26) (<= 26 ULTIMATE.start_main_~x~4)), 30534#(and (<= ULTIMATE.start_main_~x~4 27) (<= 27 ULTIMATE.start_main_~x~4)), 30535#(and (<= ULTIMATE.start_main_~x~4 28) (<= 28 ULTIMATE.start_main_~x~4)), 30536#(and (<= 29 ULTIMATE.start_main_~x~4) (<= ULTIMATE.start_main_~x~4 29)), 30537#(and (<= ULTIMATE.start_main_~x~4 30) (<= 30 ULTIMATE.start_main_~x~4)), 30538#(and (<= ULTIMATE.start_main_~x~4 31) (<= 31 ULTIMATE.start_main_~x~4)), 30539#(and (<= ULTIMATE.start_main_~x~4 32) (<= 32 ULTIMATE.start_main_~x~4)), 30540#(and (<= ULTIMATE.start_main_~x~4 33) (<= 33 ULTIMATE.start_main_~x~4)), 30541#(and (<= 34 ULTIMATE.start_main_~x~4) (<= ULTIMATE.start_main_~x~4 34)), 30542#(and (<= ULTIMATE.start_main_~x~4 35) (<= 35 ULTIMATE.start_main_~x~4)), 30543#(and (<= 36 ULTIMATE.start_main_~x~4) (<= ULTIMATE.start_main_~x~4 36)), 30544#(and (<= ULTIMATE.start_main_~x~4 37) (<= 37 ULTIMATE.start_main_~x~4)), 30545#(and (<= 38 ULTIMATE.start_main_~x~4) (<= ULTIMATE.start_main_~x~4 38)), 30546#(and (<= ULTIMATE.start_main_~x~4 39) (<= 39 ULTIMATE.start_main_~x~4)), 30547#(and (<= ULTIMATE.start_main_~x~4 40) (<= 40 ULTIMATE.start_main_~x~4)), 30548#(and (<= ULTIMATE.start_main_~x~4 41) (<= 41 ULTIMATE.start_main_~x~4)), 30549#(and (<= ULTIMATE.start_main_~x~4 42) (<= 42 ULTIMATE.start_main_~x~4)), 30550#(and (<= ULTIMATE.start_main_~x~4 43) (<= 43 ULTIMATE.start_main_~x~4)), 30551#(and (<= 44 ULTIMATE.start_main_~x~4) (<= ULTIMATE.start_main_~x~4 44)), 30552#(and (<= 45 ULTIMATE.start_main_~x~4) (<= ULTIMATE.start_main_~x~4 45)), 30553#(and (<= ULTIMATE.start_main_~x~4 46) (<= 46 ULTIMATE.start_main_~x~4)), 30554#(and (<= 47 ULTIMATE.start_main_~x~4) (<= ULTIMATE.start_main_~x~4 47)), 30555#(and (<= 48 ULTIMATE.start_main_~x~4) (<= ULTIMATE.start_main_~x~4 48)), 30556#(and (<= 49 ULTIMATE.start_main_~x~4) (<= ULTIMATE.start_main_~x~4 49)), 30557#(and (<= ULTIMATE.start_main_~x~4 50) (<= 50 ULTIMATE.start_main_~x~4)), 30558#(and (<= 51 ULTIMATE.start_main_~x~4) (<= ULTIMATE.start_main_~x~4 51)), 30559#(and (<= ULTIMATE.start_main_~x~4 52) (<= 52 ULTIMATE.start_main_~x~4)), 30560#(and (<= 53 ULTIMATE.start_main_~x~4) (<= ULTIMATE.start_main_~x~4 53)), 30561#(and (<= ULTIMATE.start_main_~x~4 54) (<= 54 ULTIMATE.start_main_~x~4)), 30562#(and (<= 55 ULTIMATE.start_main_~x~4) (<= ULTIMATE.start_main_~x~4 55)), 30563#(and (<= 56 ULTIMATE.start_main_~x~4) (<= ULTIMATE.start_main_~x~4 56)), 30564#(and (<= 57 ULTIMATE.start_main_~x~4) (<= ULTIMATE.start_main_~x~4 57)), 30565#(and (<= 58 ULTIMATE.start_main_~x~4) (<= ULTIMATE.start_main_~x~4 58)), 30566#(and (<= ULTIMATE.start_main_~x~4 59) (<= 59 ULTIMATE.start_main_~x~4)), 30567#(and (<= 60 ULTIMATE.start_main_~x~4) (<= ULTIMATE.start_main_~x~4 60)), 30568#(and (<= 61 ULTIMATE.start_main_~x~4) (<= ULTIMATE.start_main_~x~4 61)), 30569#(and (<= ULTIMATE.start_main_~x~4 62) (<= 62 ULTIMATE.start_main_~x~4)), 30570#(and (<= 63 ULTIMATE.start_main_~x~4) (<= ULTIMATE.start_main_~x~4 63)), 30571#(and (<= ULTIMATE.start_main_~x~4 64) (<= 64 ULTIMATE.start_main_~x~4)), 30572#(and (<= 65 ULTIMATE.start_main_~x~4) (<= ULTIMATE.start_main_~x~4 65)), 30573#(and (<= 66 ULTIMATE.start_main_~x~4) (<= ULTIMATE.start_main_~x~4 66)), 30574#(and (<= 67 ULTIMATE.start_main_~x~4) (<= ULTIMATE.start_main_~x~4 67)), 30575#(and (<= ULTIMATE.start_main_~x~4 68) (<= 68 ULTIMATE.start_main_~x~4)), 30576#(and (<= 69 ULTIMATE.start_main_~x~4) (<= ULTIMATE.start_main_~x~4 69)), 30577#(and (<= ULTIMATE.start_main_~x~4 70) (<= 70 ULTIMATE.start_main_~x~4)), 30578#(and (<= 71 ULTIMATE.start_main_~x~4) (<= ULTIMATE.start_main_~x~4 71)), 30579#(and (<= 72 ULTIMATE.start_main_~x~4) (<= ULTIMATE.start_main_~x~4 72)), 30580#(and (<= ULTIMATE.start_main_~x~4 73) (<= 73 ULTIMATE.start_main_~x~4)), 30581#(and (<= 74 ULTIMATE.start_main_~x~4) (<= ULTIMATE.start_main_~x~4 74)), 30582#(and (<= ULTIMATE.start_main_~x~4 75) (<= 75 ULTIMATE.start_main_~x~4)), 30583#(and (<= ULTIMATE.start_main_~x~4 76) (<= 76 ULTIMATE.start_main_~x~4)), 30584#(and (<= ULTIMATE.start_main_~x~4 77) (<= 77 ULTIMATE.start_main_~x~4)), 30585#(and (<= ULTIMATE.start_main_~x~4 78) (<= 78 ULTIMATE.start_main_~x~4)), 30586#(and (<= 79 ULTIMATE.start_main_~x~4) (<= ULTIMATE.start_main_~x~4 79))] [2018-07-23 13:50:25,300 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 13:50:25,301 INFO L450 AbstractCegarLoop]: Interpolant automaton has 82 states [2018-07-23 13:50:25,301 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 82 interpolants. [2018-07-23 13:50:25,301 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=161, Invalid=6481, Unknown=0, NotChecked=0, Total=6642 [2018-07-23 13:50:25,301 INFO L87 Difference]: Start difference. First operand 163 states and 163 transitions. Second operand 82 states. [2018-07-23 13:50:25,783 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-07-23 13:50:25,783 INFO L93 Difference]: Finished difference Result 167 states and 167 transitions. [2018-07-23 13:50:25,784 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 82 states. [2018-07-23 13:50:25,784 INFO L78 Accepts]: Start accepts. Automaton has 82 states. Word has length 162 [2018-07-23 13:50:25,784 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-07-23 13:50:25,785 INFO L225 Difference]: With dead ends: 167 [2018-07-23 13:50:25,785 INFO L226 Difference]: Without dead ends: 165 [2018-07-23 13:50:25,785 INFO L575 BasicCegarLoop]: 0 DeclaredPredicates, 81 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 80 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=161, Invalid=6481, Unknown=0, NotChecked=0, Total=6642 [2018-07-23 13:50:25,786 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 165 states. [2018-07-23 13:50:25,791 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 165 to 165. [2018-07-23 13:50:25,792 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 165 states. [2018-07-23 13:50:25,792 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 165 states to 165 states and 165 transitions. [2018-07-23 13:50:25,792 INFO L78 Accepts]: Start accepts. Automaton has 165 states and 165 transitions. Word has length 162 [2018-07-23 13:50:25,792 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-07-23 13:50:25,792 INFO L471 AbstractCegarLoop]: Abstraction has 165 states and 165 transitions. [2018-07-23 13:50:25,793 INFO L472 AbstractCegarLoop]: Interpolant automaton has 82 states. [2018-07-23 13:50:25,793 INFO L276 IsEmpty]: Start isEmpty. Operand 165 states and 165 transitions. [2018-07-23 13:50:25,793 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 165 [2018-07-23 13:50:25,793 INFO L349 BasicCegarLoop]: Found error trace [2018-07-23 13:50:25,793 INFO L357 BasicCegarLoop]: trace histogram [81, 80, 1, 1, 1] [2018-07-23 13:50:25,794 INFO L414 AbstractCegarLoop]: === Iteration 81 === [ULTIMATE.startErr0AssertViolationASSERT]=== [2018-07-23 13:50:25,794 INFO L82 PathProgramCache]: Analyzing trace with hash -1606111769, now seen corresponding path program 80 times [2018-07-23 13:50:25,794 INFO L69 tionRefinementEngine]: Using refinement strategy FixedRefinementStrategy [2018-07-23 13:50:25,859 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-07-23 13:50:26,231 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 13:50:26,232 INFO L309 seRefinementStrategy]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2018-07-23 13:50:26,232 INFO L324 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [82] total 82 [2018-07-23 13:50:26,232 INFO L142 lantAutomatonBuilder]: Constructing canonical interpolant automaton, with selfloop in false state [2018-07-23 13:50:26,232 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-07-23 13:50:26,233 INFO L185 omatonBuilderFactory]: Interpolants [31251#true, 31252#false, 31253#(and (<= ULTIMATE.start_main_~x~4 0) (<= 0 ULTIMATE.start_main_~x~4)), 31254#(and (<= ULTIMATE.start_main_~x~4 1) (<= 1 ULTIMATE.start_main_~x~4)), 31255#(and (<= 2 ULTIMATE.start_main_~x~4) (<= ULTIMATE.start_main_~x~4 2)), 31256#(and (<= 3 ULTIMATE.start_main_~x~4) (<= ULTIMATE.start_main_~x~4 3)), 31257#(and (<= ULTIMATE.start_main_~x~4 4) (<= 4 ULTIMATE.start_main_~x~4)), 31258#(and (<= ULTIMATE.start_main_~x~4 5) (<= 5 ULTIMATE.start_main_~x~4)), 31259#(and (<= 6 ULTIMATE.start_main_~x~4) (<= ULTIMATE.start_main_~x~4 6)), 31260#(and (<= ULTIMATE.start_main_~x~4 7) (<= 7 ULTIMATE.start_main_~x~4)), 31261#(and (<= ULTIMATE.start_main_~x~4 8) (<= 8 ULTIMATE.start_main_~x~4)), 31262#(and (<= 9 ULTIMATE.start_main_~x~4) (<= ULTIMATE.start_main_~x~4 9)), 31263#(and (<= ULTIMATE.start_main_~x~4 10) (<= 10 ULTIMATE.start_main_~x~4)), 31264#(and (<= ULTIMATE.start_main_~x~4 11) (<= 11 ULTIMATE.start_main_~x~4)), 31265#(and (<= 12 ULTIMATE.start_main_~x~4) (<= ULTIMATE.start_main_~x~4 12)), 31266#(and (<= ULTIMATE.start_main_~x~4 13) (<= 13 ULTIMATE.start_main_~x~4)), 31267#(and (<= 14 ULTIMATE.start_main_~x~4) (<= ULTIMATE.start_main_~x~4 14)), 31268#(and (<= 15 ULTIMATE.start_main_~x~4) (<= ULTIMATE.start_main_~x~4 15)), 31269#(and (<= ULTIMATE.start_main_~x~4 16) (<= 16 ULTIMATE.start_main_~x~4)), 31270#(and (<= ULTIMATE.start_main_~x~4 17) (<= 17 ULTIMATE.start_main_~x~4)), 31271#(and (<= 18 ULTIMATE.start_main_~x~4) (<= ULTIMATE.start_main_~x~4 18)), 31272#(and (<= 19 ULTIMATE.start_main_~x~4) (<= ULTIMATE.start_main_~x~4 19)), 31273#(and (<= 20 ULTIMATE.start_main_~x~4) (<= ULTIMATE.start_main_~x~4 20)), 31274#(and (<= ULTIMATE.start_main_~x~4 21) (<= 21 ULTIMATE.start_main_~x~4)), 31275#(and (<= ULTIMATE.start_main_~x~4 22) (<= 22 ULTIMATE.start_main_~x~4)), 31276#(and (<= ULTIMATE.start_main_~x~4 23) (<= 23 ULTIMATE.start_main_~x~4)), 31277#(and (<= ULTIMATE.start_main_~x~4 24) (<= 24 ULTIMATE.start_main_~x~4)), 31278#(and (<= ULTIMATE.start_main_~x~4 25) (<= 25 ULTIMATE.start_main_~x~4)), 31279#(and (<= ULTIMATE.start_main_~x~4 26) (<= 26 ULTIMATE.start_main_~x~4)), 31280#(and (<= ULTIMATE.start_main_~x~4 27) (<= 27 ULTIMATE.start_main_~x~4)), 31281#(and (<= ULTIMATE.start_main_~x~4 28) (<= 28 ULTIMATE.start_main_~x~4)), 31282#(and (<= 29 ULTIMATE.start_main_~x~4) (<= ULTIMATE.start_main_~x~4 29)), 31283#(and (<= ULTIMATE.start_main_~x~4 30) (<= 30 ULTIMATE.start_main_~x~4)), 31284#(and (<= ULTIMATE.start_main_~x~4 31) (<= 31 ULTIMATE.start_main_~x~4)), 31285#(and (<= ULTIMATE.start_main_~x~4 32) (<= 32 ULTIMATE.start_main_~x~4)), 31286#(and (<= ULTIMATE.start_main_~x~4 33) (<= 33 ULTIMATE.start_main_~x~4)), 31287#(and (<= 34 ULTIMATE.start_main_~x~4) (<= ULTIMATE.start_main_~x~4 34)), 31288#(and (<= ULTIMATE.start_main_~x~4 35) (<= 35 ULTIMATE.start_main_~x~4)), 31289#(and (<= 36 ULTIMATE.start_main_~x~4) (<= ULTIMATE.start_main_~x~4 36)), 31290#(and (<= ULTIMATE.start_main_~x~4 37) (<= 37 ULTIMATE.start_main_~x~4)), 31291#(and (<= 38 ULTIMATE.start_main_~x~4) (<= ULTIMATE.start_main_~x~4 38)), 31292#(and (<= ULTIMATE.start_main_~x~4 39) (<= 39 ULTIMATE.start_main_~x~4)), 31293#(and (<= ULTIMATE.start_main_~x~4 40) (<= 40 ULTIMATE.start_main_~x~4)), 31294#(and (<= ULTIMATE.start_main_~x~4 41) (<= 41 ULTIMATE.start_main_~x~4)), 31295#(and (<= ULTIMATE.start_main_~x~4 42) (<= 42 ULTIMATE.start_main_~x~4)), 31296#(and (<= ULTIMATE.start_main_~x~4 43) (<= 43 ULTIMATE.start_main_~x~4)), 31297#(and (<= 44 ULTIMATE.start_main_~x~4) (<= ULTIMATE.start_main_~x~4 44)), 31298#(and (<= 45 ULTIMATE.start_main_~x~4) (<= ULTIMATE.start_main_~x~4 45)), 31299#(and (<= ULTIMATE.start_main_~x~4 46) (<= 46 ULTIMATE.start_main_~x~4)), 31300#(and (<= 47 ULTIMATE.start_main_~x~4) (<= ULTIMATE.start_main_~x~4 47)), 31301#(and (<= 48 ULTIMATE.start_main_~x~4) (<= ULTIMATE.start_main_~x~4 48)), 31302#(and (<= 49 ULTIMATE.start_main_~x~4) (<= ULTIMATE.start_main_~x~4 49)), 31303#(and (<= ULTIMATE.start_main_~x~4 50) (<= 50 ULTIMATE.start_main_~x~4)), 31304#(and (<= 51 ULTIMATE.start_main_~x~4) (<= ULTIMATE.start_main_~x~4 51)), 31305#(and (<= ULTIMATE.start_main_~x~4 52) (<= 52 ULTIMATE.start_main_~x~4)), 31306#(and (<= 53 ULTIMATE.start_main_~x~4) (<= ULTIMATE.start_main_~x~4 53)), 31307#(and (<= ULTIMATE.start_main_~x~4 54) (<= 54 ULTIMATE.start_main_~x~4)), 31308#(and (<= 55 ULTIMATE.start_main_~x~4) (<= ULTIMATE.start_main_~x~4 55)), 31309#(and (<= 56 ULTIMATE.start_main_~x~4) (<= ULTIMATE.start_main_~x~4 56)), 31310#(and (<= 57 ULTIMATE.start_main_~x~4) (<= ULTIMATE.start_main_~x~4 57)), 31311#(and (<= 58 ULTIMATE.start_main_~x~4) (<= ULTIMATE.start_main_~x~4 58)), 31312#(and (<= ULTIMATE.start_main_~x~4 59) (<= 59 ULTIMATE.start_main_~x~4)), 31313#(and (<= 60 ULTIMATE.start_main_~x~4) (<= ULTIMATE.start_main_~x~4 60)), 31314#(and (<= 61 ULTIMATE.start_main_~x~4) (<= ULTIMATE.start_main_~x~4 61)), 31315#(and (<= ULTIMATE.start_main_~x~4 62) (<= 62 ULTIMATE.start_main_~x~4)), 31316#(and (<= 63 ULTIMATE.start_main_~x~4) (<= ULTIMATE.start_main_~x~4 63)), 31317#(and (<= ULTIMATE.start_main_~x~4 64) (<= 64 ULTIMATE.start_main_~x~4)), 31318#(and (<= 65 ULTIMATE.start_main_~x~4) (<= ULTIMATE.start_main_~x~4 65)), 31319#(and (<= 66 ULTIMATE.start_main_~x~4) (<= ULTIMATE.start_main_~x~4 66)), 31320#(and (<= 67 ULTIMATE.start_main_~x~4) (<= ULTIMATE.start_main_~x~4 67)), 31321#(and (<= ULTIMATE.start_main_~x~4 68) (<= 68 ULTIMATE.start_main_~x~4)), 31322#(and (<= 69 ULTIMATE.start_main_~x~4) (<= ULTIMATE.start_main_~x~4 69)), 31323#(and (<= ULTIMATE.start_main_~x~4 70) (<= 70 ULTIMATE.start_main_~x~4)), 31324#(and (<= 71 ULTIMATE.start_main_~x~4) (<= ULTIMATE.start_main_~x~4 71)), 31325#(and (<= 72 ULTIMATE.start_main_~x~4) (<= ULTIMATE.start_main_~x~4 72)), 31326#(and (<= ULTIMATE.start_main_~x~4 73) (<= 73 ULTIMATE.start_main_~x~4)), 31327#(and (<= 74 ULTIMATE.start_main_~x~4) (<= ULTIMATE.start_main_~x~4 74)), 31328#(and (<= ULTIMATE.start_main_~x~4 75) (<= 75 ULTIMATE.start_main_~x~4)), 31329#(and (<= ULTIMATE.start_main_~x~4 76) (<= 76 ULTIMATE.start_main_~x~4)), 31330#(and (<= ULTIMATE.start_main_~x~4 77) (<= 77 ULTIMATE.start_main_~x~4)), 31331#(and (<= ULTIMATE.start_main_~x~4 78) (<= 78 ULTIMATE.start_main_~x~4)), 31332#(and (<= 79 ULTIMATE.start_main_~x~4) (<= ULTIMATE.start_main_~x~4 79)), 31333#(and (<= ULTIMATE.start_main_~x~4 80) (<= 80 ULTIMATE.start_main_~x~4))] [2018-07-23 13:50:26,233 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 13:50:26,233 INFO L450 AbstractCegarLoop]: Interpolant automaton has 83 states [2018-07-23 13:50:26,234 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 83 interpolants. [2018-07-23 13:50:26,234 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=163, Invalid=6643, Unknown=0, NotChecked=0, Total=6806 [2018-07-23 13:50:26,234 INFO L87 Difference]: Start difference. First operand 165 states and 165 transitions. Second operand 83 states. [2018-07-23 13:50:26,856 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-07-23 13:50:26,856 INFO L93 Difference]: Finished difference Result 169 states and 169 transitions. [2018-07-23 13:50:26,856 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 83 states. [2018-07-23 13:50:26,856 INFO L78 Accepts]: Start accepts. Automaton has 83 states. Word has length 164 [2018-07-23 13:50:26,857 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-07-23 13:50:26,858 INFO L225 Difference]: With dead ends: 169 [2018-07-23 13:50:26,858 INFO L226 Difference]: Without dead ends: 167 [2018-07-23 13:50:26,859 INFO L575 BasicCegarLoop]: 0 DeclaredPredicates, 82 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 81 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=163, Invalid=6643, Unknown=0, NotChecked=0, Total=6806 [2018-07-23 13:50:26,859 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 167 states. [2018-07-23 13:50:26,869 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 167 to 167. [2018-07-23 13:50:26,869 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 167 states. [2018-07-23 13:50:26,870 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 167 states to 167 states and 167 transitions. [2018-07-23 13:50:26,870 INFO L78 Accepts]: Start accepts. Automaton has 167 states and 167 transitions. Word has length 164 [2018-07-23 13:50:26,870 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-07-23 13:50:26,870 INFO L471 AbstractCegarLoop]: Abstraction has 167 states and 167 transitions. [2018-07-23 13:50:26,871 INFO L472 AbstractCegarLoop]: Interpolant automaton has 83 states. [2018-07-23 13:50:26,871 INFO L276 IsEmpty]: Start isEmpty. Operand 167 states and 167 transitions. [2018-07-23 13:50:26,872 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 167 [2018-07-23 13:50:26,872 INFO L349 BasicCegarLoop]: Found error trace [2018-07-23 13:50:26,872 INFO L357 BasicCegarLoop]: trace histogram [82, 81, 1, 1, 1] [2018-07-23 13:50:26,872 INFO L414 AbstractCegarLoop]: === Iteration 82 === [ULTIMATE.startErr0AssertViolationASSERT]=== [2018-07-23 13:50:26,872 INFO L82 PathProgramCache]: Analyzing trace with hash -1580098655, now seen corresponding path program 81 times [2018-07-23 13:50:26,873 INFO L69 tionRefinementEngine]: Using refinement strategy FixedRefinementStrategy [2018-07-23 13:50:27,022 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-07-23 13:50:27,415 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 13:50:27,415 INFO L309 seRefinementStrategy]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2018-07-23 13:50:27,415 INFO L324 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [83] total 83 [2018-07-23 13:50:27,415 INFO L142 lantAutomatonBuilder]: Constructing canonical interpolant automaton, with selfloop in false state [2018-07-23 13:50:27,416 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-07-23 13:50:27,416 INFO L185 omatonBuilderFactory]: Interpolants [32006#true, 32007#false, 32008#(and (<= ULTIMATE.start_main_~x~4 0) (<= 0 ULTIMATE.start_main_~x~4)), 32009#(and (<= ULTIMATE.start_main_~x~4 1) (<= 1 ULTIMATE.start_main_~x~4)), 32010#(and (<= 2 ULTIMATE.start_main_~x~4) (<= ULTIMATE.start_main_~x~4 2)), 32011#(and (<= 3 ULTIMATE.start_main_~x~4) (<= ULTIMATE.start_main_~x~4 3)), 32012#(and (<= ULTIMATE.start_main_~x~4 4) (<= 4 ULTIMATE.start_main_~x~4)), 32013#(and (<= ULTIMATE.start_main_~x~4 5) (<= 5 ULTIMATE.start_main_~x~4)), 32014#(and (<= 6 ULTIMATE.start_main_~x~4) (<= ULTIMATE.start_main_~x~4 6)), 32015#(and (<= ULTIMATE.start_main_~x~4 7) (<= 7 ULTIMATE.start_main_~x~4)), 32016#(and (<= ULTIMATE.start_main_~x~4 8) (<= 8 ULTIMATE.start_main_~x~4)), 32017#(and (<= 9 ULTIMATE.start_main_~x~4) (<= ULTIMATE.start_main_~x~4 9)), 32018#(and (<= ULTIMATE.start_main_~x~4 10) (<= 10 ULTIMATE.start_main_~x~4)), 32019#(and (<= ULTIMATE.start_main_~x~4 11) (<= 11 ULTIMATE.start_main_~x~4)), 32020#(and (<= 12 ULTIMATE.start_main_~x~4) (<= ULTIMATE.start_main_~x~4 12)), 32021#(and (<= ULTIMATE.start_main_~x~4 13) (<= 13 ULTIMATE.start_main_~x~4)), 32022#(and (<= 14 ULTIMATE.start_main_~x~4) (<= ULTIMATE.start_main_~x~4 14)), 32023#(and (<= 15 ULTIMATE.start_main_~x~4) (<= ULTIMATE.start_main_~x~4 15)), 32024#(and (<= ULTIMATE.start_main_~x~4 16) (<= 16 ULTIMATE.start_main_~x~4)), 32025#(and (<= ULTIMATE.start_main_~x~4 17) (<= 17 ULTIMATE.start_main_~x~4)), 32026#(and (<= 18 ULTIMATE.start_main_~x~4) (<= ULTIMATE.start_main_~x~4 18)), 32027#(and (<= 19 ULTIMATE.start_main_~x~4) (<= ULTIMATE.start_main_~x~4 19)), 32028#(and (<= 20 ULTIMATE.start_main_~x~4) (<= ULTIMATE.start_main_~x~4 20)), 32029#(and (<= ULTIMATE.start_main_~x~4 21) (<= 21 ULTIMATE.start_main_~x~4)), 32030#(and (<= ULTIMATE.start_main_~x~4 22) (<= 22 ULTIMATE.start_main_~x~4)), 32031#(and (<= ULTIMATE.start_main_~x~4 23) (<= 23 ULTIMATE.start_main_~x~4)), 32032#(and (<= ULTIMATE.start_main_~x~4 24) (<= 24 ULTIMATE.start_main_~x~4)), 32033#(and (<= ULTIMATE.start_main_~x~4 25) (<= 25 ULTIMATE.start_main_~x~4)), 32034#(and (<= ULTIMATE.start_main_~x~4 26) (<= 26 ULTIMATE.start_main_~x~4)), 32035#(and (<= ULTIMATE.start_main_~x~4 27) (<= 27 ULTIMATE.start_main_~x~4)), 32036#(and (<= ULTIMATE.start_main_~x~4 28) (<= 28 ULTIMATE.start_main_~x~4)), 32037#(and (<= 29 ULTIMATE.start_main_~x~4) (<= ULTIMATE.start_main_~x~4 29)), 32038#(and (<= ULTIMATE.start_main_~x~4 30) (<= 30 ULTIMATE.start_main_~x~4)), 32039#(and (<= ULTIMATE.start_main_~x~4 31) (<= 31 ULTIMATE.start_main_~x~4)), 32040#(and (<= ULTIMATE.start_main_~x~4 32) (<= 32 ULTIMATE.start_main_~x~4)), 32041#(and (<= ULTIMATE.start_main_~x~4 33) (<= 33 ULTIMATE.start_main_~x~4)), 32042#(and (<= 34 ULTIMATE.start_main_~x~4) (<= ULTIMATE.start_main_~x~4 34)), 32043#(and (<= ULTIMATE.start_main_~x~4 35) (<= 35 ULTIMATE.start_main_~x~4)), 32044#(and (<= 36 ULTIMATE.start_main_~x~4) (<= ULTIMATE.start_main_~x~4 36)), 32045#(and (<= ULTIMATE.start_main_~x~4 37) (<= 37 ULTIMATE.start_main_~x~4)), 32046#(and (<= 38 ULTIMATE.start_main_~x~4) (<= ULTIMATE.start_main_~x~4 38)), 32047#(and (<= ULTIMATE.start_main_~x~4 39) (<= 39 ULTIMATE.start_main_~x~4)), 32048#(and (<= ULTIMATE.start_main_~x~4 40) (<= 40 ULTIMATE.start_main_~x~4)), 32049#(and (<= ULTIMATE.start_main_~x~4 41) (<= 41 ULTIMATE.start_main_~x~4)), 32050#(and (<= ULTIMATE.start_main_~x~4 42) (<= 42 ULTIMATE.start_main_~x~4)), 32051#(and (<= ULTIMATE.start_main_~x~4 43) (<= 43 ULTIMATE.start_main_~x~4)), 32052#(and (<= 44 ULTIMATE.start_main_~x~4) (<= ULTIMATE.start_main_~x~4 44)), 32053#(and (<= 45 ULTIMATE.start_main_~x~4) (<= ULTIMATE.start_main_~x~4 45)), 32054#(and (<= ULTIMATE.start_main_~x~4 46) (<= 46 ULTIMATE.start_main_~x~4)), 32055#(and (<= 47 ULTIMATE.start_main_~x~4) (<= ULTIMATE.start_main_~x~4 47)), 32056#(and (<= 48 ULTIMATE.start_main_~x~4) (<= ULTIMATE.start_main_~x~4 48)), 32057#(and (<= 49 ULTIMATE.start_main_~x~4) (<= ULTIMATE.start_main_~x~4 49)), 32058#(and (<= ULTIMATE.start_main_~x~4 50) (<= 50 ULTIMATE.start_main_~x~4)), 32059#(and (<= 51 ULTIMATE.start_main_~x~4) (<= ULTIMATE.start_main_~x~4 51)), 32060#(and (<= ULTIMATE.start_main_~x~4 52) (<= 52 ULTIMATE.start_main_~x~4)), 32061#(and (<= 53 ULTIMATE.start_main_~x~4) (<= ULTIMATE.start_main_~x~4 53)), 32062#(and (<= ULTIMATE.start_main_~x~4 54) (<= 54 ULTIMATE.start_main_~x~4)), 32063#(and (<= 55 ULTIMATE.start_main_~x~4) (<= ULTIMATE.start_main_~x~4 55)), 32064#(and (<= 56 ULTIMATE.start_main_~x~4) (<= ULTIMATE.start_main_~x~4 56)), 32065#(and (<= 57 ULTIMATE.start_main_~x~4) (<= ULTIMATE.start_main_~x~4 57)), 32066#(and (<= 58 ULTIMATE.start_main_~x~4) (<= ULTIMATE.start_main_~x~4 58)), 32067#(and (<= ULTIMATE.start_main_~x~4 59) (<= 59 ULTIMATE.start_main_~x~4)), 32068#(and (<= 60 ULTIMATE.start_main_~x~4) (<= ULTIMATE.start_main_~x~4 60)), 32069#(and (<= 61 ULTIMATE.start_main_~x~4) (<= ULTIMATE.start_main_~x~4 61)), 32070#(and (<= ULTIMATE.start_main_~x~4 62) (<= 62 ULTIMATE.start_main_~x~4)), 32071#(and (<= 63 ULTIMATE.start_main_~x~4) (<= ULTIMATE.start_main_~x~4 63)), 32072#(and (<= ULTIMATE.start_main_~x~4 64) (<= 64 ULTIMATE.start_main_~x~4)), 32073#(and (<= 65 ULTIMATE.start_main_~x~4) (<= ULTIMATE.start_main_~x~4 65)), 32074#(and (<= 66 ULTIMATE.start_main_~x~4) (<= ULTIMATE.start_main_~x~4 66)), 32075#(and (<= 67 ULTIMATE.start_main_~x~4) (<= ULTIMATE.start_main_~x~4 67)), 32076#(and (<= ULTIMATE.start_main_~x~4 68) (<= 68 ULTIMATE.start_main_~x~4)), 32077#(and (<= 69 ULTIMATE.start_main_~x~4) (<= ULTIMATE.start_main_~x~4 69)), 32078#(and (<= ULTIMATE.start_main_~x~4 70) (<= 70 ULTIMATE.start_main_~x~4)), 32079#(and (<= 71 ULTIMATE.start_main_~x~4) (<= ULTIMATE.start_main_~x~4 71)), 32080#(and (<= 72 ULTIMATE.start_main_~x~4) (<= ULTIMATE.start_main_~x~4 72)), 32081#(and (<= ULTIMATE.start_main_~x~4 73) (<= 73 ULTIMATE.start_main_~x~4)), 32082#(and (<= 74 ULTIMATE.start_main_~x~4) (<= ULTIMATE.start_main_~x~4 74)), 32083#(and (<= ULTIMATE.start_main_~x~4 75) (<= 75 ULTIMATE.start_main_~x~4)), 32084#(and (<= ULTIMATE.start_main_~x~4 76) (<= 76 ULTIMATE.start_main_~x~4)), 32085#(and (<= ULTIMATE.start_main_~x~4 77) (<= 77 ULTIMATE.start_main_~x~4)), 32086#(and (<= ULTIMATE.start_main_~x~4 78) (<= 78 ULTIMATE.start_main_~x~4)), 32087#(and (<= 79 ULTIMATE.start_main_~x~4) (<= ULTIMATE.start_main_~x~4 79)), 32088#(and (<= ULTIMATE.start_main_~x~4 80) (<= 80 ULTIMATE.start_main_~x~4)), 32089#(and (<= ULTIMATE.start_main_~x~4 81) (<= 81 ULTIMATE.start_main_~x~4))] [2018-07-23 13:50:27,416 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 13:50:27,417 INFO L450 AbstractCegarLoop]: Interpolant automaton has 84 states [2018-07-23 13:50:27,417 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 84 interpolants. [2018-07-23 13:50:27,417 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=165, Invalid=6807, Unknown=0, NotChecked=0, Total=6972 [2018-07-23 13:50:27,417 INFO L87 Difference]: Start difference. First operand 167 states and 167 transitions. Second operand 84 states. [2018-07-23 13:50:27,923 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-07-23 13:50:27,923 INFO L93 Difference]: Finished difference Result 171 states and 171 transitions. [2018-07-23 13:50:27,923 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 84 states. [2018-07-23 13:50:27,923 INFO L78 Accepts]: Start accepts. Automaton has 84 states. Word has length 166 [2018-07-23 13:50:27,924 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-07-23 13:50:27,924 INFO L225 Difference]: With dead ends: 171 [2018-07-23 13:50:27,924 INFO L226 Difference]: Without dead ends: 169 [2018-07-23 13:50:27,925 INFO L575 BasicCegarLoop]: 0 DeclaredPredicates, 83 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 82 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=165, Invalid=6807, Unknown=0, NotChecked=0, Total=6972 [2018-07-23 13:50:27,925 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 169 states. [2018-07-23 13:50:27,931 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 169 to 169. [2018-07-23 13:50:27,931 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 169 states. [2018-07-23 13:50:27,931 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 169 states to 169 states and 169 transitions. [2018-07-23 13:50:27,931 INFO L78 Accepts]: Start accepts. Automaton has 169 states and 169 transitions. Word has length 166 [2018-07-23 13:50:27,932 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-07-23 13:50:27,932 INFO L471 AbstractCegarLoop]: Abstraction has 169 states and 169 transitions. [2018-07-23 13:50:27,932 INFO L472 AbstractCegarLoop]: Interpolant automaton has 84 states. [2018-07-23 13:50:27,932 INFO L276 IsEmpty]: Start isEmpty. Operand 169 states and 169 transitions. [2018-07-23 13:50:27,933 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 169 [2018-07-23 13:50:27,933 INFO L349 BasicCegarLoop]: Found error trace [2018-07-23 13:50:27,933 INFO L357 BasicCegarLoop]: trace histogram [83, 82, 1, 1, 1] [2018-07-23 13:50:27,933 INFO L414 AbstractCegarLoop]: === Iteration 83 === [ULTIMATE.startErr0AssertViolationASSERT]=== [2018-07-23 13:50:27,934 INFO L82 PathProgramCache]: Analyzing trace with hash 1943667419, now seen corresponding path program 82 times [2018-07-23 13:50:27,934 INFO L69 tionRefinementEngine]: Using refinement strategy FixedRefinementStrategy [2018-07-23 13:50:28,026 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-07-23 13:50:28,472 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 13:50:28,473 INFO L309 seRefinementStrategy]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2018-07-23 13:50:28,473 INFO L324 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [84] total 84 [2018-07-23 13:50:28,473 INFO L142 lantAutomatonBuilder]: Constructing canonical interpolant automaton, with selfloop in false state [2018-07-23 13:50:28,473 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 13:50:28,474 INFO L185 omatonBuilderFactory]: Interpolants [32770#true, 32771#false, 32772#(and (<= ULTIMATE.start_main_~x~4 0) (<= 0 ULTIMATE.start_main_~x~4)), 32773#(and (<= ULTIMATE.start_main_~x~4 1) (<= 1 ULTIMATE.start_main_~x~4)), 32774#(and (<= 2 ULTIMATE.start_main_~x~4) (<= ULTIMATE.start_main_~x~4 2)), 32775#(and (<= 3 ULTIMATE.start_main_~x~4) (<= ULTIMATE.start_main_~x~4 3)), 32776#(and (<= ULTIMATE.start_main_~x~4 4) (<= 4 ULTIMATE.start_main_~x~4)), 32777#(and (<= ULTIMATE.start_main_~x~4 5) (<= 5 ULTIMATE.start_main_~x~4)), 32778#(and (<= 6 ULTIMATE.start_main_~x~4) (<= ULTIMATE.start_main_~x~4 6)), 32779#(and (<= ULTIMATE.start_main_~x~4 7) (<= 7 ULTIMATE.start_main_~x~4)), 32780#(and (<= ULTIMATE.start_main_~x~4 8) (<= 8 ULTIMATE.start_main_~x~4)), 32781#(and (<= 9 ULTIMATE.start_main_~x~4) (<= ULTIMATE.start_main_~x~4 9)), 32782#(and (<= ULTIMATE.start_main_~x~4 10) (<= 10 ULTIMATE.start_main_~x~4)), 32783#(and (<= ULTIMATE.start_main_~x~4 11) (<= 11 ULTIMATE.start_main_~x~4)), 32784#(and (<= 12 ULTIMATE.start_main_~x~4) (<= ULTIMATE.start_main_~x~4 12)), 32785#(and (<= ULTIMATE.start_main_~x~4 13) (<= 13 ULTIMATE.start_main_~x~4)), 32786#(and (<= 14 ULTIMATE.start_main_~x~4) (<= ULTIMATE.start_main_~x~4 14)), 32787#(and (<= 15 ULTIMATE.start_main_~x~4) (<= ULTIMATE.start_main_~x~4 15)), 32788#(and (<= ULTIMATE.start_main_~x~4 16) (<= 16 ULTIMATE.start_main_~x~4)), 32789#(and (<= ULTIMATE.start_main_~x~4 17) (<= 17 ULTIMATE.start_main_~x~4)), 32790#(and (<= 18 ULTIMATE.start_main_~x~4) (<= ULTIMATE.start_main_~x~4 18)), 32791#(and (<= 19 ULTIMATE.start_main_~x~4) (<= ULTIMATE.start_main_~x~4 19)), 32792#(and (<= 20 ULTIMATE.start_main_~x~4) (<= ULTIMATE.start_main_~x~4 20)), 32793#(and (<= ULTIMATE.start_main_~x~4 21) (<= 21 ULTIMATE.start_main_~x~4)), 32794#(and (<= ULTIMATE.start_main_~x~4 22) (<= 22 ULTIMATE.start_main_~x~4)), 32795#(and (<= ULTIMATE.start_main_~x~4 23) (<= 23 ULTIMATE.start_main_~x~4)), 32796#(and (<= ULTIMATE.start_main_~x~4 24) (<= 24 ULTIMATE.start_main_~x~4)), 32797#(and (<= ULTIMATE.start_main_~x~4 25) (<= 25 ULTIMATE.start_main_~x~4)), 32798#(and (<= ULTIMATE.start_main_~x~4 26) (<= 26 ULTIMATE.start_main_~x~4)), 32799#(and (<= ULTIMATE.start_main_~x~4 27) (<= 27 ULTIMATE.start_main_~x~4)), 32800#(and (<= ULTIMATE.start_main_~x~4 28) (<= 28 ULTIMATE.start_main_~x~4)), 32801#(and (<= 29 ULTIMATE.start_main_~x~4) (<= ULTIMATE.start_main_~x~4 29)), 32802#(and (<= ULTIMATE.start_main_~x~4 30) (<= 30 ULTIMATE.start_main_~x~4)), 32803#(and (<= ULTIMATE.start_main_~x~4 31) (<= 31 ULTIMATE.start_main_~x~4)), 32804#(and (<= ULTIMATE.start_main_~x~4 32) (<= 32 ULTIMATE.start_main_~x~4)), 32805#(and (<= ULTIMATE.start_main_~x~4 33) (<= 33 ULTIMATE.start_main_~x~4)), 32806#(and (<= 34 ULTIMATE.start_main_~x~4) (<= ULTIMATE.start_main_~x~4 34)), 32807#(and (<= ULTIMATE.start_main_~x~4 35) (<= 35 ULTIMATE.start_main_~x~4)), 32808#(and (<= 36 ULTIMATE.start_main_~x~4) (<= ULTIMATE.start_main_~x~4 36)), 32809#(and (<= ULTIMATE.start_main_~x~4 37) (<= 37 ULTIMATE.start_main_~x~4)), 32810#(and (<= 38 ULTIMATE.start_main_~x~4) (<= ULTIMATE.start_main_~x~4 38)), 32811#(and (<= ULTIMATE.start_main_~x~4 39) (<= 39 ULTIMATE.start_main_~x~4)), 32812#(and (<= ULTIMATE.start_main_~x~4 40) (<= 40 ULTIMATE.start_main_~x~4)), 32813#(and (<= ULTIMATE.start_main_~x~4 41) (<= 41 ULTIMATE.start_main_~x~4)), 32814#(and (<= ULTIMATE.start_main_~x~4 42) (<= 42 ULTIMATE.start_main_~x~4)), 32815#(and (<= ULTIMATE.start_main_~x~4 43) (<= 43 ULTIMATE.start_main_~x~4)), 32816#(and (<= 44 ULTIMATE.start_main_~x~4) (<= ULTIMATE.start_main_~x~4 44)), 32817#(and (<= 45 ULTIMATE.start_main_~x~4) (<= ULTIMATE.start_main_~x~4 45)), 32818#(and (<= ULTIMATE.start_main_~x~4 46) (<= 46 ULTIMATE.start_main_~x~4)), 32819#(and (<= 47 ULTIMATE.start_main_~x~4) (<= ULTIMATE.start_main_~x~4 47)), 32820#(and (<= 48 ULTIMATE.start_main_~x~4) (<= ULTIMATE.start_main_~x~4 48)), 32821#(and (<= 49 ULTIMATE.start_main_~x~4) (<= ULTIMATE.start_main_~x~4 49)), 32822#(and (<= ULTIMATE.start_main_~x~4 50) (<= 50 ULTIMATE.start_main_~x~4)), 32823#(and (<= 51 ULTIMATE.start_main_~x~4) (<= ULTIMATE.start_main_~x~4 51)), 32824#(and (<= ULTIMATE.start_main_~x~4 52) (<= 52 ULTIMATE.start_main_~x~4)), 32825#(and (<= 53 ULTIMATE.start_main_~x~4) (<= ULTIMATE.start_main_~x~4 53)), 32826#(and (<= ULTIMATE.start_main_~x~4 54) (<= 54 ULTIMATE.start_main_~x~4)), 32827#(and (<= 55 ULTIMATE.start_main_~x~4) (<= ULTIMATE.start_main_~x~4 55)), 32828#(and (<= 56 ULTIMATE.start_main_~x~4) (<= ULTIMATE.start_main_~x~4 56)), 32829#(and (<= 57 ULTIMATE.start_main_~x~4) (<= ULTIMATE.start_main_~x~4 57)), 32830#(and (<= 58 ULTIMATE.start_main_~x~4) (<= ULTIMATE.start_main_~x~4 58)), 32831#(and (<= ULTIMATE.start_main_~x~4 59) (<= 59 ULTIMATE.start_main_~x~4)), 32832#(and (<= 60 ULTIMATE.start_main_~x~4) (<= ULTIMATE.start_main_~x~4 60)), 32833#(and (<= 61 ULTIMATE.start_main_~x~4) (<= ULTIMATE.start_main_~x~4 61)), 32834#(and (<= ULTIMATE.start_main_~x~4 62) (<= 62 ULTIMATE.start_main_~x~4)), 32835#(and (<= 63 ULTIMATE.start_main_~x~4) (<= ULTIMATE.start_main_~x~4 63)), 32836#(and (<= ULTIMATE.start_main_~x~4 64) (<= 64 ULTIMATE.start_main_~x~4)), 32837#(and (<= 65 ULTIMATE.start_main_~x~4) (<= ULTIMATE.start_main_~x~4 65)), 32838#(and (<= 66 ULTIMATE.start_main_~x~4) (<= ULTIMATE.start_main_~x~4 66)), 32839#(and (<= 67 ULTIMATE.start_main_~x~4) (<= ULTIMATE.start_main_~x~4 67)), 32840#(and (<= ULTIMATE.start_main_~x~4 68) (<= 68 ULTIMATE.start_main_~x~4)), 32841#(and (<= 69 ULTIMATE.start_main_~x~4) (<= ULTIMATE.start_main_~x~4 69)), 32842#(and (<= ULTIMATE.start_main_~x~4 70) (<= 70 ULTIMATE.start_main_~x~4)), 32843#(and (<= 71 ULTIMATE.start_main_~x~4) (<= ULTIMATE.start_main_~x~4 71)), 32844#(and (<= 72 ULTIMATE.start_main_~x~4) (<= ULTIMATE.start_main_~x~4 72)), 32845#(and (<= ULTIMATE.start_main_~x~4 73) (<= 73 ULTIMATE.start_main_~x~4)), 32846#(and (<= 74 ULTIMATE.start_main_~x~4) (<= ULTIMATE.start_main_~x~4 74)), 32847#(and (<= ULTIMATE.start_main_~x~4 75) (<= 75 ULTIMATE.start_main_~x~4)), 32848#(and (<= ULTIMATE.start_main_~x~4 76) (<= 76 ULTIMATE.start_main_~x~4)), 32849#(and (<= ULTIMATE.start_main_~x~4 77) (<= 77 ULTIMATE.start_main_~x~4)), 32850#(and (<= ULTIMATE.start_main_~x~4 78) (<= 78 ULTIMATE.start_main_~x~4)), 32851#(and (<= 79 ULTIMATE.start_main_~x~4) (<= ULTIMATE.start_main_~x~4 79)), 32852#(and (<= ULTIMATE.start_main_~x~4 80) (<= 80 ULTIMATE.start_main_~x~4)), 32853#(and (<= ULTIMATE.start_main_~x~4 81) (<= 81 ULTIMATE.start_main_~x~4)), 32854#(and (<= ULTIMATE.start_main_~x~4 82) (<= 82 ULTIMATE.start_main_~x~4))] [2018-07-23 13:50:28,474 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 13:50:28,474 INFO L450 AbstractCegarLoop]: Interpolant automaton has 85 states [2018-07-23 13:50:28,474 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 85 interpolants. [2018-07-23 13:50:28,475 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=167, Invalid=6973, Unknown=0, NotChecked=0, Total=7140 [2018-07-23 13:50:28,475 INFO L87 Difference]: Start difference. First operand 169 states and 169 transitions. Second operand 85 states. [2018-07-23 13:50:28,993 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-07-23 13:50:28,993 INFO L93 Difference]: Finished difference Result 173 states and 173 transitions. [2018-07-23 13:50:28,993 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 85 states. [2018-07-23 13:50:28,993 INFO L78 Accepts]: Start accepts. Automaton has 85 states. Word has length 168 [2018-07-23 13:50:28,994 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-07-23 13:50:28,995 INFO L225 Difference]: With dead ends: 173 [2018-07-23 13:50:28,995 INFO L226 Difference]: Without dead ends: 171 [2018-07-23 13:50:28,995 INFO L575 BasicCegarLoop]: 0 DeclaredPredicates, 84 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 83 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=167, Invalid=6973, Unknown=0, NotChecked=0, Total=7140 [2018-07-23 13:50:28,996 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 171 states. [2018-07-23 13:50:29,003 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 171 to 171. [2018-07-23 13:50:29,003 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 171 states. [2018-07-23 13:50:29,004 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 171 states to 171 states and 171 transitions. [2018-07-23 13:50:29,004 INFO L78 Accepts]: Start accepts. Automaton has 171 states and 171 transitions. Word has length 168 [2018-07-23 13:50:29,004 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-07-23 13:50:29,005 INFO L471 AbstractCegarLoop]: Abstraction has 171 states and 171 transitions. [2018-07-23 13:50:29,005 INFO L472 AbstractCegarLoop]: Interpolant automaton has 85 states. [2018-07-23 13:50:29,005 INFO L276 IsEmpty]: Start isEmpty. Operand 171 states and 171 transitions. [2018-07-23 13:50:29,005 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 171 [2018-07-23 13:50:29,006 INFO L349 BasicCegarLoop]: Found error trace [2018-07-23 13:50:29,006 INFO L357 BasicCegarLoop]: trace histogram [84, 83, 1, 1, 1] [2018-07-23 13:50:29,006 INFO L414 AbstractCegarLoop]: === Iteration 84 === [ULTIMATE.startErr0AssertViolationASSERT]=== [2018-07-23 13:50:29,006 INFO L82 PathProgramCache]: Analyzing trace with hash -446332011, now seen corresponding path program 83 times [2018-07-23 13:50:29,006 INFO L69 tionRefinementEngine]: Using refinement strategy FixedRefinementStrategy [2018-07-23 13:50:29,091 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-07-23 13:50:29,491 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 13:50:29,491 INFO L309 seRefinementStrategy]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2018-07-23 13:50:29,491 INFO L324 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [85] total 85 [2018-07-23 13:50:29,491 INFO L142 lantAutomatonBuilder]: Constructing canonical interpolant automaton, with selfloop in false state [2018-07-23 13:50:29,491 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 13:50:29,492 INFO L185 omatonBuilderFactory]: Interpolants [33543#true, 33544#false, 33545#(and (<= ULTIMATE.start_main_~x~4 0) (<= 0 ULTIMATE.start_main_~x~4)), 33546#(and (<= ULTIMATE.start_main_~x~4 1) (<= 1 ULTIMATE.start_main_~x~4)), 33547#(and (<= 2 ULTIMATE.start_main_~x~4) (<= ULTIMATE.start_main_~x~4 2)), 33548#(and (<= 3 ULTIMATE.start_main_~x~4) (<= ULTIMATE.start_main_~x~4 3)), 33549#(and (<= ULTIMATE.start_main_~x~4 4) (<= 4 ULTIMATE.start_main_~x~4)), 33550#(and (<= ULTIMATE.start_main_~x~4 5) (<= 5 ULTIMATE.start_main_~x~4)), 33551#(and (<= 6 ULTIMATE.start_main_~x~4) (<= ULTIMATE.start_main_~x~4 6)), 33552#(and (<= ULTIMATE.start_main_~x~4 7) (<= 7 ULTIMATE.start_main_~x~4)), 33553#(and (<= ULTIMATE.start_main_~x~4 8) (<= 8 ULTIMATE.start_main_~x~4)), 33554#(and (<= 9 ULTIMATE.start_main_~x~4) (<= ULTIMATE.start_main_~x~4 9)), 33555#(and (<= ULTIMATE.start_main_~x~4 10) (<= 10 ULTIMATE.start_main_~x~4)), 33556#(and (<= ULTIMATE.start_main_~x~4 11) (<= 11 ULTIMATE.start_main_~x~4)), 33557#(and (<= 12 ULTIMATE.start_main_~x~4) (<= ULTIMATE.start_main_~x~4 12)), 33558#(and (<= ULTIMATE.start_main_~x~4 13) (<= 13 ULTIMATE.start_main_~x~4)), 33559#(and (<= 14 ULTIMATE.start_main_~x~4) (<= ULTIMATE.start_main_~x~4 14)), 33560#(and (<= 15 ULTIMATE.start_main_~x~4) (<= ULTIMATE.start_main_~x~4 15)), 33561#(and (<= ULTIMATE.start_main_~x~4 16) (<= 16 ULTIMATE.start_main_~x~4)), 33562#(and (<= ULTIMATE.start_main_~x~4 17) (<= 17 ULTIMATE.start_main_~x~4)), 33563#(and (<= 18 ULTIMATE.start_main_~x~4) (<= ULTIMATE.start_main_~x~4 18)), 33564#(and (<= 19 ULTIMATE.start_main_~x~4) (<= ULTIMATE.start_main_~x~4 19)), 33565#(and (<= 20 ULTIMATE.start_main_~x~4) (<= ULTIMATE.start_main_~x~4 20)), 33566#(and (<= ULTIMATE.start_main_~x~4 21) (<= 21 ULTIMATE.start_main_~x~4)), 33567#(and (<= ULTIMATE.start_main_~x~4 22) (<= 22 ULTIMATE.start_main_~x~4)), 33568#(and (<= ULTIMATE.start_main_~x~4 23) (<= 23 ULTIMATE.start_main_~x~4)), 33569#(and (<= ULTIMATE.start_main_~x~4 24) (<= 24 ULTIMATE.start_main_~x~4)), 33570#(and (<= ULTIMATE.start_main_~x~4 25) (<= 25 ULTIMATE.start_main_~x~4)), 33571#(and (<= ULTIMATE.start_main_~x~4 26) (<= 26 ULTIMATE.start_main_~x~4)), 33572#(and (<= ULTIMATE.start_main_~x~4 27) (<= 27 ULTIMATE.start_main_~x~4)), 33573#(and (<= ULTIMATE.start_main_~x~4 28) (<= 28 ULTIMATE.start_main_~x~4)), 33574#(and (<= 29 ULTIMATE.start_main_~x~4) (<= ULTIMATE.start_main_~x~4 29)), 33575#(and (<= ULTIMATE.start_main_~x~4 30) (<= 30 ULTIMATE.start_main_~x~4)), 33576#(and (<= ULTIMATE.start_main_~x~4 31) (<= 31 ULTIMATE.start_main_~x~4)), 33577#(and (<= ULTIMATE.start_main_~x~4 32) (<= 32 ULTIMATE.start_main_~x~4)), 33578#(and (<= ULTIMATE.start_main_~x~4 33) (<= 33 ULTIMATE.start_main_~x~4)), 33579#(and (<= 34 ULTIMATE.start_main_~x~4) (<= ULTIMATE.start_main_~x~4 34)), 33580#(and (<= ULTIMATE.start_main_~x~4 35) (<= 35 ULTIMATE.start_main_~x~4)), 33581#(and (<= 36 ULTIMATE.start_main_~x~4) (<= ULTIMATE.start_main_~x~4 36)), 33582#(and (<= ULTIMATE.start_main_~x~4 37) (<= 37 ULTIMATE.start_main_~x~4)), 33583#(and (<= 38 ULTIMATE.start_main_~x~4) (<= ULTIMATE.start_main_~x~4 38)), 33584#(and (<= ULTIMATE.start_main_~x~4 39) (<= 39 ULTIMATE.start_main_~x~4)), 33585#(and (<= ULTIMATE.start_main_~x~4 40) (<= 40 ULTIMATE.start_main_~x~4)), 33586#(and (<= ULTIMATE.start_main_~x~4 41) (<= 41 ULTIMATE.start_main_~x~4)), 33587#(and (<= ULTIMATE.start_main_~x~4 42) (<= 42 ULTIMATE.start_main_~x~4)), 33588#(and (<= ULTIMATE.start_main_~x~4 43) (<= 43 ULTIMATE.start_main_~x~4)), 33589#(and (<= 44 ULTIMATE.start_main_~x~4) (<= ULTIMATE.start_main_~x~4 44)), 33590#(and (<= 45 ULTIMATE.start_main_~x~4) (<= ULTIMATE.start_main_~x~4 45)), 33591#(and (<= ULTIMATE.start_main_~x~4 46) (<= 46 ULTIMATE.start_main_~x~4)), 33592#(and (<= 47 ULTIMATE.start_main_~x~4) (<= ULTIMATE.start_main_~x~4 47)), 33593#(and (<= 48 ULTIMATE.start_main_~x~4) (<= ULTIMATE.start_main_~x~4 48)), 33594#(and (<= 49 ULTIMATE.start_main_~x~4) (<= ULTIMATE.start_main_~x~4 49)), 33595#(and (<= ULTIMATE.start_main_~x~4 50) (<= 50 ULTIMATE.start_main_~x~4)), 33596#(and (<= 51 ULTIMATE.start_main_~x~4) (<= ULTIMATE.start_main_~x~4 51)), 33597#(and (<= ULTIMATE.start_main_~x~4 52) (<= 52 ULTIMATE.start_main_~x~4)), 33598#(and (<= 53 ULTIMATE.start_main_~x~4) (<= ULTIMATE.start_main_~x~4 53)), 33599#(and (<= ULTIMATE.start_main_~x~4 54) (<= 54 ULTIMATE.start_main_~x~4)), 33600#(and (<= 55 ULTIMATE.start_main_~x~4) (<= ULTIMATE.start_main_~x~4 55)), 33601#(and (<= 56 ULTIMATE.start_main_~x~4) (<= ULTIMATE.start_main_~x~4 56)), 33602#(and (<= 57 ULTIMATE.start_main_~x~4) (<= ULTIMATE.start_main_~x~4 57)), 33603#(and (<= 58 ULTIMATE.start_main_~x~4) (<= ULTIMATE.start_main_~x~4 58)), 33604#(and (<= ULTIMATE.start_main_~x~4 59) (<= 59 ULTIMATE.start_main_~x~4)), 33605#(and (<= 60 ULTIMATE.start_main_~x~4) (<= ULTIMATE.start_main_~x~4 60)), 33606#(and (<= 61 ULTIMATE.start_main_~x~4) (<= ULTIMATE.start_main_~x~4 61)), 33607#(and (<= ULTIMATE.start_main_~x~4 62) (<= 62 ULTIMATE.start_main_~x~4)), 33608#(and (<= 63 ULTIMATE.start_main_~x~4) (<= ULTIMATE.start_main_~x~4 63)), 33609#(and (<= ULTIMATE.start_main_~x~4 64) (<= 64 ULTIMATE.start_main_~x~4)), 33610#(and (<= 65 ULTIMATE.start_main_~x~4) (<= ULTIMATE.start_main_~x~4 65)), 33611#(and (<= 66 ULTIMATE.start_main_~x~4) (<= ULTIMATE.start_main_~x~4 66)), 33612#(and (<= 67 ULTIMATE.start_main_~x~4) (<= ULTIMATE.start_main_~x~4 67)), 33613#(and (<= ULTIMATE.start_main_~x~4 68) (<= 68 ULTIMATE.start_main_~x~4)), 33614#(and (<= 69 ULTIMATE.start_main_~x~4) (<= ULTIMATE.start_main_~x~4 69)), 33615#(and (<= ULTIMATE.start_main_~x~4 70) (<= 70 ULTIMATE.start_main_~x~4)), 33616#(and (<= 71 ULTIMATE.start_main_~x~4) (<= ULTIMATE.start_main_~x~4 71)), 33617#(and (<= 72 ULTIMATE.start_main_~x~4) (<= ULTIMATE.start_main_~x~4 72)), 33618#(and (<= ULTIMATE.start_main_~x~4 73) (<= 73 ULTIMATE.start_main_~x~4)), 33619#(and (<= 74 ULTIMATE.start_main_~x~4) (<= ULTIMATE.start_main_~x~4 74)), 33620#(and (<= ULTIMATE.start_main_~x~4 75) (<= 75 ULTIMATE.start_main_~x~4)), 33621#(and (<= ULTIMATE.start_main_~x~4 76) (<= 76 ULTIMATE.start_main_~x~4)), 33622#(and (<= ULTIMATE.start_main_~x~4 77) (<= 77 ULTIMATE.start_main_~x~4)), 33623#(and (<= ULTIMATE.start_main_~x~4 78) (<= 78 ULTIMATE.start_main_~x~4)), 33624#(and (<= 79 ULTIMATE.start_main_~x~4) (<= ULTIMATE.start_main_~x~4 79)), 33625#(and (<= ULTIMATE.start_main_~x~4 80) (<= 80 ULTIMATE.start_main_~x~4)), 33626#(and (<= ULTIMATE.start_main_~x~4 81) (<= 81 ULTIMATE.start_main_~x~4)), 33627#(and (<= ULTIMATE.start_main_~x~4 82) (<= 82 ULTIMATE.start_main_~x~4)), 33628#(and (<= 83 ULTIMATE.start_main_~x~4) (<= ULTIMATE.start_main_~x~4 83))] [2018-07-23 13:50:29,492 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 13:50:29,492 INFO L450 AbstractCegarLoop]: Interpolant automaton has 86 states [2018-07-23 13:50:29,493 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 86 interpolants. [2018-07-23 13:50:29,493 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=169, Invalid=7141, Unknown=0, NotChecked=0, Total=7310 [2018-07-23 13:50:29,493 INFO L87 Difference]: Start difference. First operand 171 states and 171 transitions. Second operand 86 states. [2018-07-23 13:50:30,013 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-07-23 13:50:30,013 INFO L93 Difference]: Finished difference Result 175 states and 175 transitions. [2018-07-23 13:50:30,013 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 86 states. [2018-07-23 13:50:30,013 INFO L78 Accepts]: Start accepts. Automaton has 86 states. Word has length 170 [2018-07-23 13:50:30,013 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-07-23 13:50:30,014 INFO L225 Difference]: With dead ends: 175 [2018-07-23 13:50:30,014 INFO L226 Difference]: Without dead ends: 173 [2018-07-23 13:50:30,015 INFO L575 BasicCegarLoop]: 0 DeclaredPredicates, 85 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 84 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=169, Invalid=7141, Unknown=0, NotChecked=0, Total=7310 [2018-07-23 13:50:30,015 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 173 states. [2018-07-23 13:50:30,022 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 173 to 173. [2018-07-23 13:50:30,022 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 173 states. [2018-07-23 13:50:30,022 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 173 states to 173 states and 173 transitions. [2018-07-23 13:50:30,022 INFO L78 Accepts]: Start accepts. Automaton has 173 states and 173 transitions. Word has length 170 [2018-07-23 13:50:30,023 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-07-23 13:50:30,023 INFO L471 AbstractCegarLoop]: Abstraction has 173 states and 173 transitions. [2018-07-23 13:50:30,023 INFO L472 AbstractCegarLoop]: Interpolant automaton has 86 states. [2018-07-23 13:50:30,023 INFO L276 IsEmpty]: Start isEmpty. Operand 173 states and 173 transitions. [2018-07-23 13:50:30,024 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 173 [2018-07-23 13:50:30,024 INFO L349 BasicCegarLoop]: Found error trace [2018-07-23 13:50:30,024 INFO L357 BasicCegarLoop]: trace histogram [85, 84, 1, 1, 1] [2018-07-23 13:50:30,024 INFO L414 AbstractCegarLoop]: === Iteration 85 === [ULTIMATE.startErr0AssertViolationASSERT]=== [2018-07-23 13:50:30,025 INFO L82 PathProgramCache]: Analyzing trace with hash 571719119, now seen corresponding path program 84 times [2018-07-23 13:50:30,025 INFO L69 tionRefinementEngine]: Using refinement strategy FixedRefinementStrategy [2018-07-23 13:50:30,143 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-07-23 13:50:30,571 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 13:50:30,571 INFO L309 seRefinementStrategy]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2018-07-23 13:50:30,571 INFO L324 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [86] total 86 [2018-07-23 13:50:30,572 INFO L142 lantAutomatonBuilder]: Constructing canonical interpolant automaton, with selfloop in false state [2018-07-23 13:50:30,572 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-07-23 13:50:30,572 INFO L185 omatonBuilderFactory]: Interpolants [34325#true, 34326#false, 34327#(and (<= ULTIMATE.start_main_~x~4 0) (<= 0 ULTIMATE.start_main_~x~4)), 34328#(and (<= ULTIMATE.start_main_~x~4 1) (<= 1 ULTIMATE.start_main_~x~4)), 34329#(and (<= 2 ULTIMATE.start_main_~x~4) (<= ULTIMATE.start_main_~x~4 2)), 34330#(and (<= 3 ULTIMATE.start_main_~x~4) (<= ULTIMATE.start_main_~x~4 3)), 34331#(and (<= ULTIMATE.start_main_~x~4 4) (<= 4 ULTIMATE.start_main_~x~4)), 34332#(and (<= ULTIMATE.start_main_~x~4 5) (<= 5 ULTIMATE.start_main_~x~4)), 34333#(and (<= 6 ULTIMATE.start_main_~x~4) (<= ULTIMATE.start_main_~x~4 6)), 34334#(and (<= ULTIMATE.start_main_~x~4 7) (<= 7 ULTIMATE.start_main_~x~4)), 34335#(and (<= ULTIMATE.start_main_~x~4 8) (<= 8 ULTIMATE.start_main_~x~4)), 34336#(and (<= 9 ULTIMATE.start_main_~x~4) (<= ULTIMATE.start_main_~x~4 9)), 34337#(and (<= ULTIMATE.start_main_~x~4 10) (<= 10 ULTIMATE.start_main_~x~4)), 34338#(and (<= ULTIMATE.start_main_~x~4 11) (<= 11 ULTIMATE.start_main_~x~4)), 34339#(and (<= 12 ULTIMATE.start_main_~x~4) (<= ULTIMATE.start_main_~x~4 12)), 34340#(and (<= ULTIMATE.start_main_~x~4 13) (<= 13 ULTIMATE.start_main_~x~4)), 34341#(and (<= 14 ULTIMATE.start_main_~x~4) (<= ULTIMATE.start_main_~x~4 14)), 34342#(and (<= 15 ULTIMATE.start_main_~x~4) (<= ULTIMATE.start_main_~x~4 15)), 34343#(and (<= ULTIMATE.start_main_~x~4 16) (<= 16 ULTIMATE.start_main_~x~4)), 34344#(and (<= ULTIMATE.start_main_~x~4 17) (<= 17 ULTIMATE.start_main_~x~4)), 34345#(and (<= 18 ULTIMATE.start_main_~x~4) (<= ULTIMATE.start_main_~x~4 18)), 34346#(and (<= 19 ULTIMATE.start_main_~x~4) (<= ULTIMATE.start_main_~x~4 19)), 34347#(and (<= 20 ULTIMATE.start_main_~x~4) (<= ULTIMATE.start_main_~x~4 20)), 34348#(and (<= ULTIMATE.start_main_~x~4 21) (<= 21 ULTIMATE.start_main_~x~4)), 34349#(and (<= ULTIMATE.start_main_~x~4 22) (<= 22 ULTIMATE.start_main_~x~4)), 34350#(and (<= ULTIMATE.start_main_~x~4 23) (<= 23 ULTIMATE.start_main_~x~4)), 34351#(and (<= ULTIMATE.start_main_~x~4 24) (<= 24 ULTIMATE.start_main_~x~4)), 34352#(and (<= ULTIMATE.start_main_~x~4 25) (<= 25 ULTIMATE.start_main_~x~4)), 34353#(and (<= ULTIMATE.start_main_~x~4 26) (<= 26 ULTIMATE.start_main_~x~4)), 34354#(and (<= ULTIMATE.start_main_~x~4 27) (<= 27 ULTIMATE.start_main_~x~4)), 34355#(and (<= ULTIMATE.start_main_~x~4 28) (<= 28 ULTIMATE.start_main_~x~4)), 34356#(and (<= 29 ULTIMATE.start_main_~x~4) (<= ULTIMATE.start_main_~x~4 29)), 34357#(and (<= ULTIMATE.start_main_~x~4 30) (<= 30 ULTIMATE.start_main_~x~4)), 34358#(and (<= ULTIMATE.start_main_~x~4 31) (<= 31 ULTIMATE.start_main_~x~4)), 34359#(and (<= ULTIMATE.start_main_~x~4 32) (<= 32 ULTIMATE.start_main_~x~4)), 34360#(and (<= ULTIMATE.start_main_~x~4 33) (<= 33 ULTIMATE.start_main_~x~4)), 34361#(and (<= 34 ULTIMATE.start_main_~x~4) (<= ULTIMATE.start_main_~x~4 34)), 34362#(and (<= ULTIMATE.start_main_~x~4 35) (<= 35 ULTIMATE.start_main_~x~4)), 34363#(and (<= 36 ULTIMATE.start_main_~x~4) (<= ULTIMATE.start_main_~x~4 36)), 34364#(and (<= ULTIMATE.start_main_~x~4 37) (<= 37 ULTIMATE.start_main_~x~4)), 34365#(and (<= 38 ULTIMATE.start_main_~x~4) (<= ULTIMATE.start_main_~x~4 38)), 34366#(and (<= ULTIMATE.start_main_~x~4 39) (<= 39 ULTIMATE.start_main_~x~4)), 34367#(and (<= ULTIMATE.start_main_~x~4 40) (<= 40 ULTIMATE.start_main_~x~4)), 34368#(and (<= ULTIMATE.start_main_~x~4 41) (<= 41 ULTIMATE.start_main_~x~4)), 34369#(and (<= ULTIMATE.start_main_~x~4 42) (<= 42 ULTIMATE.start_main_~x~4)), 34370#(and (<= ULTIMATE.start_main_~x~4 43) (<= 43 ULTIMATE.start_main_~x~4)), 34371#(and (<= 44 ULTIMATE.start_main_~x~4) (<= ULTIMATE.start_main_~x~4 44)), 34372#(and (<= 45 ULTIMATE.start_main_~x~4) (<= ULTIMATE.start_main_~x~4 45)), 34373#(and (<= ULTIMATE.start_main_~x~4 46) (<= 46 ULTIMATE.start_main_~x~4)), 34374#(and (<= 47 ULTIMATE.start_main_~x~4) (<= ULTIMATE.start_main_~x~4 47)), 34375#(and (<= 48 ULTIMATE.start_main_~x~4) (<= ULTIMATE.start_main_~x~4 48)), 34376#(and (<= 49 ULTIMATE.start_main_~x~4) (<= ULTIMATE.start_main_~x~4 49)), 34377#(and (<= ULTIMATE.start_main_~x~4 50) (<= 50 ULTIMATE.start_main_~x~4)), 34378#(and (<= 51 ULTIMATE.start_main_~x~4) (<= ULTIMATE.start_main_~x~4 51)), 34379#(and (<= ULTIMATE.start_main_~x~4 52) (<= 52 ULTIMATE.start_main_~x~4)), 34380#(and (<= 53 ULTIMATE.start_main_~x~4) (<= ULTIMATE.start_main_~x~4 53)), 34381#(and (<= ULTIMATE.start_main_~x~4 54) (<= 54 ULTIMATE.start_main_~x~4)), 34382#(and (<= 55 ULTIMATE.start_main_~x~4) (<= ULTIMATE.start_main_~x~4 55)), 34383#(and (<= 56 ULTIMATE.start_main_~x~4) (<= ULTIMATE.start_main_~x~4 56)), 34384#(and (<= 57 ULTIMATE.start_main_~x~4) (<= ULTIMATE.start_main_~x~4 57)), 34385#(and (<= 58 ULTIMATE.start_main_~x~4) (<= ULTIMATE.start_main_~x~4 58)), 34386#(and (<= ULTIMATE.start_main_~x~4 59) (<= 59 ULTIMATE.start_main_~x~4)), 34387#(and (<= 60 ULTIMATE.start_main_~x~4) (<= ULTIMATE.start_main_~x~4 60)), 34388#(and (<= 61 ULTIMATE.start_main_~x~4) (<= ULTIMATE.start_main_~x~4 61)), 34389#(and (<= ULTIMATE.start_main_~x~4 62) (<= 62 ULTIMATE.start_main_~x~4)), 34390#(and (<= 63 ULTIMATE.start_main_~x~4) (<= ULTIMATE.start_main_~x~4 63)), 34391#(and (<= ULTIMATE.start_main_~x~4 64) (<= 64 ULTIMATE.start_main_~x~4)), 34392#(and (<= 65 ULTIMATE.start_main_~x~4) (<= ULTIMATE.start_main_~x~4 65)), 34393#(and (<= 66 ULTIMATE.start_main_~x~4) (<= ULTIMATE.start_main_~x~4 66)), 34394#(and (<= 67 ULTIMATE.start_main_~x~4) (<= ULTIMATE.start_main_~x~4 67)), 34395#(and (<= ULTIMATE.start_main_~x~4 68) (<= 68 ULTIMATE.start_main_~x~4)), 34396#(and (<= 69 ULTIMATE.start_main_~x~4) (<= ULTIMATE.start_main_~x~4 69)), 34397#(and (<= ULTIMATE.start_main_~x~4 70) (<= 70 ULTIMATE.start_main_~x~4)), 34398#(and (<= 71 ULTIMATE.start_main_~x~4) (<= ULTIMATE.start_main_~x~4 71)), 34399#(and (<= 72 ULTIMATE.start_main_~x~4) (<= ULTIMATE.start_main_~x~4 72)), 34400#(and (<= ULTIMATE.start_main_~x~4 73) (<= 73 ULTIMATE.start_main_~x~4)), 34401#(and (<= 74 ULTIMATE.start_main_~x~4) (<= ULTIMATE.start_main_~x~4 74)), 34402#(and (<= ULTIMATE.start_main_~x~4 75) (<= 75 ULTIMATE.start_main_~x~4)), 34403#(and (<= ULTIMATE.start_main_~x~4 76) (<= 76 ULTIMATE.start_main_~x~4)), 34404#(and (<= ULTIMATE.start_main_~x~4 77) (<= 77 ULTIMATE.start_main_~x~4)), 34405#(and (<= ULTIMATE.start_main_~x~4 78) (<= 78 ULTIMATE.start_main_~x~4)), 34406#(and (<= 79 ULTIMATE.start_main_~x~4) (<= ULTIMATE.start_main_~x~4 79)), 34407#(and (<= ULTIMATE.start_main_~x~4 80) (<= 80 ULTIMATE.start_main_~x~4)), 34408#(and (<= ULTIMATE.start_main_~x~4 81) (<= 81 ULTIMATE.start_main_~x~4)), 34409#(and (<= ULTIMATE.start_main_~x~4 82) (<= 82 ULTIMATE.start_main_~x~4)), 34410#(and (<= 83 ULTIMATE.start_main_~x~4) (<= ULTIMATE.start_main_~x~4 83)), 34411#(and (<= ULTIMATE.start_main_~x~4 84) (<= 84 ULTIMATE.start_main_~x~4))] [2018-07-23 13:50:30,573 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 13:50:30,573 INFO L450 AbstractCegarLoop]: Interpolant automaton has 87 states [2018-07-23 13:50:30,573 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 87 interpolants. [2018-07-23 13:50:30,574 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=171, Invalid=7311, Unknown=0, NotChecked=0, Total=7482 [2018-07-23 13:50:30,574 INFO L87 Difference]: Start difference. First operand 173 states and 173 transitions. Second operand 87 states. [2018-07-23 13:50:31,115 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-07-23 13:50:31,116 INFO L93 Difference]: Finished difference Result 177 states and 177 transitions. [2018-07-23 13:50:31,116 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 87 states. [2018-07-23 13:50:31,116 INFO L78 Accepts]: Start accepts. Automaton has 87 states. Word has length 172 [2018-07-23 13:50:31,116 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-07-23 13:50:31,117 INFO L225 Difference]: With dead ends: 177 [2018-07-23 13:50:31,117 INFO L226 Difference]: Without dead ends: 175 [2018-07-23 13:50:31,118 INFO L575 BasicCegarLoop]: 0 DeclaredPredicates, 86 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 85 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=171, Invalid=7311, Unknown=0, NotChecked=0, Total=7482 [2018-07-23 13:50:31,119 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 175 states. [2018-07-23 13:50:31,127 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 175 to 175. [2018-07-23 13:50:31,127 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 175 states. [2018-07-23 13:50:31,128 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 175 states to 175 states and 175 transitions. [2018-07-23 13:50:31,128 INFO L78 Accepts]: Start accepts. Automaton has 175 states and 175 transitions. Word has length 172 [2018-07-23 13:50:31,128 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-07-23 13:50:31,128 INFO L471 AbstractCegarLoop]: Abstraction has 175 states and 175 transitions. [2018-07-23 13:50:31,128 INFO L472 AbstractCegarLoop]: Interpolant automaton has 87 states. [2018-07-23 13:50:31,128 INFO L276 IsEmpty]: Start isEmpty. Operand 175 states and 175 transitions. [2018-07-23 13:50:31,129 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 175 [2018-07-23 13:50:31,129 INFO L349 BasicCegarLoop]: Found error trace [2018-07-23 13:50:31,129 INFO L357 BasicCegarLoop]: trace histogram [86, 85, 1, 1, 1] [2018-07-23 13:50:31,130 INFO L414 AbstractCegarLoop]: === Iteration 86 === [ULTIMATE.startErr0AssertViolationASSERT]=== [2018-07-23 13:50:31,130 INFO L82 PathProgramCache]: Analyzing trace with hash -333688439, now seen corresponding path program 85 times [2018-07-23 13:50:31,130 INFO L69 tionRefinementEngine]: Using refinement strategy FixedRefinementStrategy [2018-07-23 13:50:31,221 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-07-23 13:50:31,674 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 13:50:31,675 INFO L309 seRefinementStrategy]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2018-07-23 13:50:31,675 INFO L324 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [87] total 87 [2018-07-23 13:50:31,675 INFO L142 lantAutomatonBuilder]: Constructing canonical interpolant automaton, with selfloop in false state [2018-07-23 13:50:31,675 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-07-23 13:50:31,676 INFO L185 omatonBuilderFactory]: Interpolants [35200#(and (<= ULTIMATE.start_main_~x~4 82) (<= 82 ULTIMATE.start_main_~x~4)), 35201#(and (<= 83 ULTIMATE.start_main_~x~4) (<= ULTIMATE.start_main_~x~4 83)), 35202#(and (<= ULTIMATE.start_main_~x~4 84) (<= 84 ULTIMATE.start_main_~x~4)), 35203#(and (<= 85 ULTIMATE.start_main_~x~4) (<= ULTIMATE.start_main_~x~4 85)), 35116#true, 35117#false, 35118#(and (<= ULTIMATE.start_main_~x~4 0) (<= 0 ULTIMATE.start_main_~x~4)), 35119#(and (<= ULTIMATE.start_main_~x~4 1) (<= 1 ULTIMATE.start_main_~x~4)), 35120#(and (<= 2 ULTIMATE.start_main_~x~4) (<= ULTIMATE.start_main_~x~4 2)), 35121#(and (<= 3 ULTIMATE.start_main_~x~4) (<= ULTIMATE.start_main_~x~4 3)), 35122#(and (<= ULTIMATE.start_main_~x~4 4) (<= 4 ULTIMATE.start_main_~x~4)), 35123#(and (<= ULTIMATE.start_main_~x~4 5) (<= 5 ULTIMATE.start_main_~x~4)), 35124#(and (<= 6 ULTIMATE.start_main_~x~4) (<= ULTIMATE.start_main_~x~4 6)), 35125#(and (<= ULTIMATE.start_main_~x~4 7) (<= 7 ULTIMATE.start_main_~x~4)), 35126#(and (<= ULTIMATE.start_main_~x~4 8) (<= 8 ULTIMATE.start_main_~x~4)), 35127#(and (<= 9 ULTIMATE.start_main_~x~4) (<= ULTIMATE.start_main_~x~4 9)), 35128#(and (<= ULTIMATE.start_main_~x~4 10) (<= 10 ULTIMATE.start_main_~x~4)), 35129#(and (<= ULTIMATE.start_main_~x~4 11) (<= 11 ULTIMATE.start_main_~x~4)), 35130#(and (<= 12 ULTIMATE.start_main_~x~4) (<= ULTIMATE.start_main_~x~4 12)), 35131#(and (<= ULTIMATE.start_main_~x~4 13) (<= 13 ULTIMATE.start_main_~x~4)), 35132#(and (<= 14 ULTIMATE.start_main_~x~4) (<= ULTIMATE.start_main_~x~4 14)), 35133#(and (<= 15 ULTIMATE.start_main_~x~4) (<= ULTIMATE.start_main_~x~4 15)), 35134#(and (<= ULTIMATE.start_main_~x~4 16) (<= 16 ULTIMATE.start_main_~x~4)), 35135#(and (<= ULTIMATE.start_main_~x~4 17) (<= 17 ULTIMATE.start_main_~x~4)), 35136#(and (<= 18 ULTIMATE.start_main_~x~4) (<= ULTIMATE.start_main_~x~4 18)), 35137#(and (<= 19 ULTIMATE.start_main_~x~4) (<= ULTIMATE.start_main_~x~4 19)), 35138#(and (<= 20 ULTIMATE.start_main_~x~4) (<= ULTIMATE.start_main_~x~4 20)), 35139#(and (<= ULTIMATE.start_main_~x~4 21) (<= 21 ULTIMATE.start_main_~x~4)), 35140#(and (<= ULTIMATE.start_main_~x~4 22) (<= 22 ULTIMATE.start_main_~x~4)), 35141#(and (<= ULTIMATE.start_main_~x~4 23) (<= 23 ULTIMATE.start_main_~x~4)), 35142#(and (<= ULTIMATE.start_main_~x~4 24) (<= 24 ULTIMATE.start_main_~x~4)), 35143#(and (<= ULTIMATE.start_main_~x~4 25) (<= 25 ULTIMATE.start_main_~x~4)), 35144#(and (<= ULTIMATE.start_main_~x~4 26) (<= 26 ULTIMATE.start_main_~x~4)), 35145#(and (<= ULTIMATE.start_main_~x~4 27) (<= 27 ULTIMATE.start_main_~x~4)), 35146#(and (<= ULTIMATE.start_main_~x~4 28) (<= 28 ULTIMATE.start_main_~x~4)), 35147#(and (<= 29 ULTIMATE.start_main_~x~4) (<= ULTIMATE.start_main_~x~4 29)), 35148#(and (<= ULTIMATE.start_main_~x~4 30) (<= 30 ULTIMATE.start_main_~x~4)), 35149#(and (<= ULTIMATE.start_main_~x~4 31) (<= 31 ULTIMATE.start_main_~x~4)), 35150#(and (<= ULTIMATE.start_main_~x~4 32) (<= 32 ULTIMATE.start_main_~x~4)), 35151#(and (<= ULTIMATE.start_main_~x~4 33) (<= 33 ULTIMATE.start_main_~x~4)), 35152#(and (<= 34 ULTIMATE.start_main_~x~4) (<= ULTIMATE.start_main_~x~4 34)), 35153#(and (<= ULTIMATE.start_main_~x~4 35) (<= 35 ULTIMATE.start_main_~x~4)), 35154#(and (<= 36 ULTIMATE.start_main_~x~4) (<= ULTIMATE.start_main_~x~4 36)), 35155#(and (<= ULTIMATE.start_main_~x~4 37) (<= 37 ULTIMATE.start_main_~x~4)), 35156#(and (<= 38 ULTIMATE.start_main_~x~4) (<= ULTIMATE.start_main_~x~4 38)), 35157#(and (<= ULTIMATE.start_main_~x~4 39) (<= 39 ULTIMATE.start_main_~x~4)), 35158#(and (<= ULTIMATE.start_main_~x~4 40) (<= 40 ULTIMATE.start_main_~x~4)), 35159#(and (<= ULTIMATE.start_main_~x~4 41) (<= 41 ULTIMATE.start_main_~x~4)), 35160#(and (<= ULTIMATE.start_main_~x~4 42) (<= 42 ULTIMATE.start_main_~x~4)), 35161#(and (<= ULTIMATE.start_main_~x~4 43) (<= 43 ULTIMATE.start_main_~x~4)), 35162#(and (<= 44 ULTIMATE.start_main_~x~4) (<= ULTIMATE.start_main_~x~4 44)), 35163#(and (<= 45 ULTIMATE.start_main_~x~4) (<= ULTIMATE.start_main_~x~4 45)), 35164#(and (<= ULTIMATE.start_main_~x~4 46) (<= 46 ULTIMATE.start_main_~x~4)), 35165#(and (<= 47 ULTIMATE.start_main_~x~4) (<= ULTIMATE.start_main_~x~4 47)), 35166#(and (<= 48 ULTIMATE.start_main_~x~4) (<= ULTIMATE.start_main_~x~4 48)), 35167#(and (<= 49 ULTIMATE.start_main_~x~4) (<= ULTIMATE.start_main_~x~4 49)), 35168#(and (<= ULTIMATE.start_main_~x~4 50) (<= 50 ULTIMATE.start_main_~x~4)), 35169#(and (<= 51 ULTIMATE.start_main_~x~4) (<= ULTIMATE.start_main_~x~4 51)), 35170#(and (<= ULTIMATE.start_main_~x~4 52) (<= 52 ULTIMATE.start_main_~x~4)), 35171#(and (<= 53 ULTIMATE.start_main_~x~4) (<= ULTIMATE.start_main_~x~4 53)), 35172#(and (<= ULTIMATE.start_main_~x~4 54) (<= 54 ULTIMATE.start_main_~x~4)), 35173#(and (<= 55 ULTIMATE.start_main_~x~4) (<= ULTIMATE.start_main_~x~4 55)), 35174#(and (<= 56 ULTIMATE.start_main_~x~4) (<= ULTIMATE.start_main_~x~4 56)), 35175#(and (<= 57 ULTIMATE.start_main_~x~4) (<= ULTIMATE.start_main_~x~4 57)), 35176#(and (<= 58 ULTIMATE.start_main_~x~4) (<= ULTIMATE.start_main_~x~4 58)), 35177#(and (<= ULTIMATE.start_main_~x~4 59) (<= 59 ULTIMATE.start_main_~x~4)), 35178#(and (<= 60 ULTIMATE.start_main_~x~4) (<= ULTIMATE.start_main_~x~4 60)), 35179#(and (<= 61 ULTIMATE.start_main_~x~4) (<= ULTIMATE.start_main_~x~4 61)), 35180#(and (<= ULTIMATE.start_main_~x~4 62) (<= 62 ULTIMATE.start_main_~x~4)), 35181#(and (<= 63 ULTIMATE.start_main_~x~4) (<= ULTIMATE.start_main_~x~4 63)), 35182#(and (<= ULTIMATE.start_main_~x~4 64) (<= 64 ULTIMATE.start_main_~x~4)), 35183#(and (<= 65 ULTIMATE.start_main_~x~4) (<= ULTIMATE.start_main_~x~4 65)), 35184#(and (<= 66 ULTIMATE.start_main_~x~4) (<= ULTIMATE.start_main_~x~4 66)), 35185#(and (<= 67 ULTIMATE.start_main_~x~4) (<= ULTIMATE.start_main_~x~4 67)), 35186#(and (<= ULTIMATE.start_main_~x~4 68) (<= 68 ULTIMATE.start_main_~x~4)), 35187#(and (<= 69 ULTIMATE.start_main_~x~4) (<= ULTIMATE.start_main_~x~4 69)), 35188#(and (<= ULTIMATE.start_main_~x~4 70) (<= 70 ULTIMATE.start_main_~x~4)), 35189#(and (<= 71 ULTIMATE.start_main_~x~4) (<= ULTIMATE.start_main_~x~4 71)), 35190#(and (<= 72 ULTIMATE.start_main_~x~4) (<= ULTIMATE.start_main_~x~4 72)), 35191#(and (<= ULTIMATE.start_main_~x~4 73) (<= 73 ULTIMATE.start_main_~x~4)), 35192#(and (<= 74 ULTIMATE.start_main_~x~4) (<= ULTIMATE.start_main_~x~4 74)), 35193#(and (<= ULTIMATE.start_main_~x~4 75) (<= 75 ULTIMATE.start_main_~x~4)), 35194#(and (<= ULTIMATE.start_main_~x~4 76) (<= 76 ULTIMATE.start_main_~x~4)), 35195#(and (<= ULTIMATE.start_main_~x~4 77) (<= 77 ULTIMATE.start_main_~x~4)), 35196#(and (<= ULTIMATE.start_main_~x~4 78) (<= 78 ULTIMATE.start_main_~x~4)), 35197#(and (<= 79 ULTIMATE.start_main_~x~4) (<= ULTIMATE.start_main_~x~4 79)), 35198#(and (<= ULTIMATE.start_main_~x~4 80) (<= 80 ULTIMATE.start_main_~x~4)), 35199#(and (<= ULTIMATE.start_main_~x~4 81) (<= 81 ULTIMATE.start_main_~x~4))] [2018-07-23 13:50:31,676 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 13:50:31,676 INFO L450 AbstractCegarLoop]: Interpolant automaton has 88 states [2018-07-23 13:50:31,676 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 88 interpolants. [2018-07-23 13:50:31,677 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=173, Invalid=7483, Unknown=0, NotChecked=0, Total=7656 [2018-07-23 13:50:31,677 INFO L87 Difference]: Start difference. First operand 175 states and 175 transitions. Second operand 88 states. [2018-07-23 13:50:32,237 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-07-23 13:50:32,237 INFO L93 Difference]: Finished difference Result 179 states and 179 transitions. [2018-07-23 13:50:32,237 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 88 states. [2018-07-23 13:50:32,237 INFO L78 Accepts]: Start accepts. Automaton has 88 states. Word has length 174 [2018-07-23 13:50:32,238 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-07-23 13:50:32,238 INFO L225 Difference]: With dead ends: 179 [2018-07-23 13:50:32,239 INFO L226 Difference]: Without dead ends: 177 [2018-07-23 13:50:32,239 INFO L575 BasicCegarLoop]: 0 DeclaredPredicates, 87 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 86 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=173, Invalid=7483, Unknown=0, NotChecked=0, Total=7656 [2018-07-23 13:50:32,240 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 177 states. [2018-07-23 13:50:32,248 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 177 to 177. [2018-07-23 13:50:32,248 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 177 states. [2018-07-23 13:50:32,248 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 177 states to 177 states and 177 transitions. [2018-07-23 13:50:32,249 INFO L78 Accepts]: Start accepts. Automaton has 177 states and 177 transitions. Word has length 174 [2018-07-23 13:50:32,249 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-07-23 13:50:32,249 INFO L471 AbstractCegarLoop]: Abstraction has 177 states and 177 transitions. [2018-07-23 13:50:32,249 INFO L472 AbstractCegarLoop]: Interpolant automaton has 88 states. [2018-07-23 13:50:32,249 INFO L276 IsEmpty]: Start isEmpty. Operand 177 states and 177 transitions. [2018-07-23 13:50:32,250 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 177 [2018-07-23 13:50:32,250 INFO L349 BasicCegarLoop]: Found error trace [2018-07-23 13:50:32,250 INFO L357 BasicCegarLoop]: trace histogram [87, 86, 1, 1, 1] [2018-07-23 13:50:32,250 INFO L414 AbstractCegarLoop]: === Iteration 87 === [ULTIMATE.startErr0AssertViolationASSERT]=== [2018-07-23 13:50:32,251 INFO L82 PathProgramCache]: Analyzing trace with hash 1448009411, now seen corresponding path program 86 times [2018-07-23 13:50:32,251 INFO L69 tionRefinementEngine]: Using refinement strategy FixedRefinementStrategy [2018-07-23 13:50:32,350 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-07-23 13:50:32,820 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 13:50:32,820 INFO L309 seRefinementStrategy]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2018-07-23 13:50:32,821 INFO L324 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [88] total 88 [2018-07-23 13:50:32,821 INFO L142 lantAutomatonBuilder]: Constructing canonical interpolant automaton, with selfloop in false state [2018-07-23 13:50:32,821 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-07-23 13:50:32,821 INFO L185 omatonBuilderFactory]: Interpolants [35968#(and (<= ULTIMATE.start_main_~x~4 50) (<= 50 ULTIMATE.start_main_~x~4)), 35969#(and (<= 51 ULTIMATE.start_main_~x~4) (<= ULTIMATE.start_main_~x~4 51)), 35970#(and (<= ULTIMATE.start_main_~x~4 52) (<= 52 ULTIMATE.start_main_~x~4)), 35971#(and (<= 53 ULTIMATE.start_main_~x~4) (<= ULTIMATE.start_main_~x~4 53)), 35972#(and (<= ULTIMATE.start_main_~x~4 54) (<= 54 ULTIMATE.start_main_~x~4)), 35973#(and (<= 55 ULTIMATE.start_main_~x~4) (<= ULTIMATE.start_main_~x~4 55)), 35974#(and (<= 56 ULTIMATE.start_main_~x~4) (<= ULTIMATE.start_main_~x~4 56)), 35975#(and (<= 57 ULTIMATE.start_main_~x~4) (<= ULTIMATE.start_main_~x~4 57)), 35976#(and (<= 58 ULTIMATE.start_main_~x~4) (<= ULTIMATE.start_main_~x~4 58)), 35977#(and (<= ULTIMATE.start_main_~x~4 59) (<= 59 ULTIMATE.start_main_~x~4)), 35978#(and (<= 60 ULTIMATE.start_main_~x~4) (<= ULTIMATE.start_main_~x~4 60)), 35979#(and (<= 61 ULTIMATE.start_main_~x~4) (<= ULTIMATE.start_main_~x~4 61)), 35980#(and (<= ULTIMATE.start_main_~x~4 62) (<= 62 ULTIMATE.start_main_~x~4)), 35981#(and (<= 63 ULTIMATE.start_main_~x~4) (<= ULTIMATE.start_main_~x~4 63)), 35982#(and (<= ULTIMATE.start_main_~x~4 64) (<= 64 ULTIMATE.start_main_~x~4)), 35983#(and (<= 65 ULTIMATE.start_main_~x~4) (<= ULTIMATE.start_main_~x~4 65)), 35984#(and (<= 66 ULTIMATE.start_main_~x~4) (<= ULTIMATE.start_main_~x~4 66)), 35985#(and (<= 67 ULTIMATE.start_main_~x~4) (<= ULTIMATE.start_main_~x~4 67)), 35986#(and (<= ULTIMATE.start_main_~x~4 68) (<= 68 ULTIMATE.start_main_~x~4)), 35987#(and (<= 69 ULTIMATE.start_main_~x~4) (<= ULTIMATE.start_main_~x~4 69)), 35988#(and (<= ULTIMATE.start_main_~x~4 70) (<= 70 ULTIMATE.start_main_~x~4)), 35989#(and (<= 71 ULTIMATE.start_main_~x~4) (<= ULTIMATE.start_main_~x~4 71)), 35990#(and (<= 72 ULTIMATE.start_main_~x~4) (<= ULTIMATE.start_main_~x~4 72)), 35991#(and (<= ULTIMATE.start_main_~x~4 73) (<= 73 ULTIMATE.start_main_~x~4)), 35992#(and (<= 74 ULTIMATE.start_main_~x~4) (<= ULTIMATE.start_main_~x~4 74)), 35993#(and (<= ULTIMATE.start_main_~x~4 75) (<= 75 ULTIMATE.start_main_~x~4)), 35994#(and (<= ULTIMATE.start_main_~x~4 76) (<= 76 ULTIMATE.start_main_~x~4)), 35995#(and (<= ULTIMATE.start_main_~x~4 77) (<= 77 ULTIMATE.start_main_~x~4)), 35996#(and (<= ULTIMATE.start_main_~x~4 78) (<= 78 ULTIMATE.start_main_~x~4)), 35997#(and (<= 79 ULTIMATE.start_main_~x~4) (<= ULTIMATE.start_main_~x~4 79)), 35998#(and (<= ULTIMATE.start_main_~x~4 80) (<= 80 ULTIMATE.start_main_~x~4)), 35999#(and (<= ULTIMATE.start_main_~x~4 81) (<= 81 ULTIMATE.start_main_~x~4)), 36000#(and (<= ULTIMATE.start_main_~x~4 82) (<= 82 ULTIMATE.start_main_~x~4)), 36001#(and (<= 83 ULTIMATE.start_main_~x~4) (<= ULTIMATE.start_main_~x~4 83)), 36002#(and (<= ULTIMATE.start_main_~x~4 84) (<= 84 ULTIMATE.start_main_~x~4)), 36003#(and (<= 85 ULTIMATE.start_main_~x~4) (<= ULTIMATE.start_main_~x~4 85)), 36004#(and (<= 86 ULTIMATE.start_main_~x~4) (<= ULTIMATE.start_main_~x~4 86)), 35916#true, 35917#false, 35918#(and (<= ULTIMATE.start_main_~x~4 0) (<= 0 ULTIMATE.start_main_~x~4)), 35919#(and (<= ULTIMATE.start_main_~x~4 1) (<= 1 ULTIMATE.start_main_~x~4)), 35920#(and (<= 2 ULTIMATE.start_main_~x~4) (<= ULTIMATE.start_main_~x~4 2)), 35921#(and (<= 3 ULTIMATE.start_main_~x~4) (<= ULTIMATE.start_main_~x~4 3)), 35922#(and (<= ULTIMATE.start_main_~x~4 4) (<= 4 ULTIMATE.start_main_~x~4)), 35923#(and (<= ULTIMATE.start_main_~x~4 5) (<= 5 ULTIMATE.start_main_~x~4)), 35924#(and (<= 6 ULTIMATE.start_main_~x~4) (<= ULTIMATE.start_main_~x~4 6)), 35925#(and (<= ULTIMATE.start_main_~x~4 7) (<= 7 ULTIMATE.start_main_~x~4)), 35926#(and (<= ULTIMATE.start_main_~x~4 8) (<= 8 ULTIMATE.start_main_~x~4)), 35927#(and (<= 9 ULTIMATE.start_main_~x~4) (<= ULTIMATE.start_main_~x~4 9)), 35928#(and (<= ULTIMATE.start_main_~x~4 10) (<= 10 ULTIMATE.start_main_~x~4)), 35929#(and (<= ULTIMATE.start_main_~x~4 11) (<= 11 ULTIMATE.start_main_~x~4)), 35930#(and (<= 12 ULTIMATE.start_main_~x~4) (<= ULTIMATE.start_main_~x~4 12)), 35931#(and (<= ULTIMATE.start_main_~x~4 13) (<= 13 ULTIMATE.start_main_~x~4)), 35932#(and (<= 14 ULTIMATE.start_main_~x~4) (<= ULTIMATE.start_main_~x~4 14)), 35933#(and (<= 15 ULTIMATE.start_main_~x~4) (<= ULTIMATE.start_main_~x~4 15)), 35934#(and (<= ULTIMATE.start_main_~x~4 16) (<= 16 ULTIMATE.start_main_~x~4)), 35935#(and (<= ULTIMATE.start_main_~x~4 17) (<= 17 ULTIMATE.start_main_~x~4)), 35936#(and (<= 18 ULTIMATE.start_main_~x~4) (<= ULTIMATE.start_main_~x~4 18)), 35937#(and (<= 19 ULTIMATE.start_main_~x~4) (<= ULTIMATE.start_main_~x~4 19)), 35938#(and (<= 20 ULTIMATE.start_main_~x~4) (<= ULTIMATE.start_main_~x~4 20)), 35939#(and (<= ULTIMATE.start_main_~x~4 21) (<= 21 ULTIMATE.start_main_~x~4)), 35940#(and (<= ULTIMATE.start_main_~x~4 22) (<= 22 ULTIMATE.start_main_~x~4)), 35941#(and (<= ULTIMATE.start_main_~x~4 23) (<= 23 ULTIMATE.start_main_~x~4)), 35942#(and (<= ULTIMATE.start_main_~x~4 24) (<= 24 ULTIMATE.start_main_~x~4)), 35943#(and (<= ULTIMATE.start_main_~x~4 25) (<= 25 ULTIMATE.start_main_~x~4)), 35944#(and (<= ULTIMATE.start_main_~x~4 26) (<= 26 ULTIMATE.start_main_~x~4)), 35945#(and (<= ULTIMATE.start_main_~x~4 27) (<= 27 ULTIMATE.start_main_~x~4)), 35946#(and (<= ULTIMATE.start_main_~x~4 28) (<= 28 ULTIMATE.start_main_~x~4)), 35947#(and (<= 29 ULTIMATE.start_main_~x~4) (<= ULTIMATE.start_main_~x~4 29)), 35948#(and (<= ULTIMATE.start_main_~x~4 30) (<= 30 ULTIMATE.start_main_~x~4)), 35949#(and (<= ULTIMATE.start_main_~x~4 31) (<= 31 ULTIMATE.start_main_~x~4)), 35950#(and (<= ULTIMATE.start_main_~x~4 32) (<= 32 ULTIMATE.start_main_~x~4)), 35951#(and (<= ULTIMATE.start_main_~x~4 33) (<= 33 ULTIMATE.start_main_~x~4)), 35952#(and (<= 34 ULTIMATE.start_main_~x~4) (<= ULTIMATE.start_main_~x~4 34)), 35953#(and (<= ULTIMATE.start_main_~x~4 35) (<= 35 ULTIMATE.start_main_~x~4)), 35954#(and (<= 36 ULTIMATE.start_main_~x~4) (<= ULTIMATE.start_main_~x~4 36)), 35955#(and (<= ULTIMATE.start_main_~x~4 37) (<= 37 ULTIMATE.start_main_~x~4)), 35956#(and (<= 38 ULTIMATE.start_main_~x~4) (<= ULTIMATE.start_main_~x~4 38)), 35957#(and (<= ULTIMATE.start_main_~x~4 39) (<= 39 ULTIMATE.start_main_~x~4)), 35958#(and (<= ULTIMATE.start_main_~x~4 40) (<= 40 ULTIMATE.start_main_~x~4)), 35959#(and (<= ULTIMATE.start_main_~x~4 41) (<= 41 ULTIMATE.start_main_~x~4)), 35960#(and (<= ULTIMATE.start_main_~x~4 42) (<= 42 ULTIMATE.start_main_~x~4)), 35961#(and (<= ULTIMATE.start_main_~x~4 43) (<= 43 ULTIMATE.start_main_~x~4)), 35962#(and (<= 44 ULTIMATE.start_main_~x~4) (<= ULTIMATE.start_main_~x~4 44)), 35963#(and (<= 45 ULTIMATE.start_main_~x~4) (<= ULTIMATE.start_main_~x~4 45)), 35964#(and (<= ULTIMATE.start_main_~x~4 46) (<= 46 ULTIMATE.start_main_~x~4)), 35965#(and (<= 47 ULTIMATE.start_main_~x~4) (<= ULTIMATE.start_main_~x~4 47)), 35966#(and (<= 48 ULTIMATE.start_main_~x~4) (<= ULTIMATE.start_main_~x~4 48)), 35967#(and (<= 49 ULTIMATE.start_main_~x~4) (<= ULTIMATE.start_main_~x~4 49))] [2018-07-23 13:50:32,822 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 13:50:32,822 INFO L450 AbstractCegarLoop]: Interpolant automaton has 89 states [2018-07-23 13:50:32,822 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 89 interpolants. [2018-07-23 13:50:32,823 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=175, Invalid=7657, Unknown=0, NotChecked=0, Total=7832 [2018-07-23 13:50:32,823 INFO L87 Difference]: Start difference. First operand 177 states and 177 transitions. Second operand 89 states. [2018-07-23 13:50:33,461 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-07-23 13:50:33,462 INFO L93 Difference]: Finished difference Result 181 states and 181 transitions. [2018-07-23 13:50:33,462 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 89 states. [2018-07-23 13:50:33,462 INFO L78 Accepts]: Start accepts. Automaton has 89 states. Word has length 176 [2018-07-23 13:50:33,462 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-07-23 13:50:33,463 INFO L225 Difference]: With dead ends: 181 [2018-07-23 13:50:33,463 INFO L226 Difference]: Without dead ends: 179 [2018-07-23 13:50:33,464 INFO L575 BasicCegarLoop]: 0 DeclaredPredicates, 88 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 87 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=175, Invalid=7657, Unknown=0, NotChecked=0, Total=7832 [2018-07-23 13:50:33,464 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 179 states. [2018-07-23 13:50:33,473 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 179 to 179. [2018-07-23 13:50:33,474 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 179 states. [2018-07-23 13:50:33,474 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 179 states to 179 states and 179 transitions. [2018-07-23 13:50:33,474 INFO L78 Accepts]: Start accepts. Automaton has 179 states and 179 transitions. Word has length 176 [2018-07-23 13:50:33,474 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-07-23 13:50:33,475 INFO L471 AbstractCegarLoop]: Abstraction has 179 states and 179 transitions. [2018-07-23 13:50:33,475 INFO L472 AbstractCegarLoop]: Interpolant automaton has 89 states. [2018-07-23 13:50:33,475 INFO L276 IsEmpty]: Start isEmpty. Operand 179 states and 179 transitions. [2018-07-23 13:50:33,476 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 179 [2018-07-23 13:50:33,476 INFO L349 BasicCegarLoop]: Found error trace [2018-07-23 13:50:33,476 INFO L357 BasicCegarLoop]: trace histogram [88, 87, 1, 1, 1] [2018-07-23 13:50:33,476 INFO L414 AbstractCegarLoop]: === Iteration 88 === [ULTIMATE.startErr0AssertViolationASSERT]=== [2018-07-23 13:50:33,477 INFO L82 PathProgramCache]: Analyzing trace with hash -32307843, now seen corresponding path program 87 times [2018-07-23 13:50:33,477 INFO L69 tionRefinementEngine]: Using refinement strategy FixedRefinementStrategy [2018-07-23 13:50:33,605 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-07-23 13:50:34,028 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 13:50:34,028 INFO L309 seRefinementStrategy]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2018-07-23 13:50:34,028 INFO L324 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [89] total 89 [2018-07-23 13:50:34,028 INFO L142 lantAutomatonBuilder]: Constructing canonical interpolant automaton, with selfloop in false state [2018-07-23 13:50:34,028 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-07-23 13:50:34,029 INFO L185 omatonBuilderFactory]: Interpolants [36736#(and (<= 9 ULTIMATE.start_main_~x~4) (<= ULTIMATE.start_main_~x~4 9)), 36737#(and (<= ULTIMATE.start_main_~x~4 10) (<= 10 ULTIMATE.start_main_~x~4)), 36738#(and (<= ULTIMATE.start_main_~x~4 11) (<= 11 ULTIMATE.start_main_~x~4)), 36739#(and (<= 12 ULTIMATE.start_main_~x~4) (<= ULTIMATE.start_main_~x~4 12)), 36740#(and (<= ULTIMATE.start_main_~x~4 13) (<= 13 ULTIMATE.start_main_~x~4)), 36741#(and (<= 14 ULTIMATE.start_main_~x~4) (<= ULTIMATE.start_main_~x~4 14)), 36742#(and (<= 15 ULTIMATE.start_main_~x~4) (<= ULTIMATE.start_main_~x~4 15)), 36743#(and (<= ULTIMATE.start_main_~x~4 16) (<= 16 ULTIMATE.start_main_~x~4)), 36744#(and (<= ULTIMATE.start_main_~x~4 17) (<= 17 ULTIMATE.start_main_~x~4)), 36745#(and (<= 18 ULTIMATE.start_main_~x~4) (<= ULTIMATE.start_main_~x~4 18)), 36746#(and (<= 19 ULTIMATE.start_main_~x~4) (<= ULTIMATE.start_main_~x~4 19)), 36747#(and (<= 20 ULTIMATE.start_main_~x~4) (<= ULTIMATE.start_main_~x~4 20)), 36748#(and (<= ULTIMATE.start_main_~x~4 21) (<= 21 ULTIMATE.start_main_~x~4)), 36749#(and (<= ULTIMATE.start_main_~x~4 22) (<= 22 ULTIMATE.start_main_~x~4)), 36750#(and (<= ULTIMATE.start_main_~x~4 23) (<= 23 ULTIMATE.start_main_~x~4)), 36751#(and (<= ULTIMATE.start_main_~x~4 24) (<= 24 ULTIMATE.start_main_~x~4)), 36752#(and (<= ULTIMATE.start_main_~x~4 25) (<= 25 ULTIMATE.start_main_~x~4)), 36753#(and (<= ULTIMATE.start_main_~x~4 26) (<= 26 ULTIMATE.start_main_~x~4)), 36754#(and (<= ULTIMATE.start_main_~x~4 27) (<= 27 ULTIMATE.start_main_~x~4)), 36755#(and (<= ULTIMATE.start_main_~x~4 28) (<= 28 ULTIMATE.start_main_~x~4)), 36756#(and (<= 29 ULTIMATE.start_main_~x~4) (<= ULTIMATE.start_main_~x~4 29)), 36757#(and (<= ULTIMATE.start_main_~x~4 30) (<= 30 ULTIMATE.start_main_~x~4)), 36758#(and (<= ULTIMATE.start_main_~x~4 31) (<= 31 ULTIMATE.start_main_~x~4)), 36759#(and (<= ULTIMATE.start_main_~x~4 32) (<= 32 ULTIMATE.start_main_~x~4)), 36760#(and (<= ULTIMATE.start_main_~x~4 33) (<= 33 ULTIMATE.start_main_~x~4)), 36761#(and (<= 34 ULTIMATE.start_main_~x~4) (<= ULTIMATE.start_main_~x~4 34)), 36762#(and (<= ULTIMATE.start_main_~x~4 35) (<= 35 ULTIMATE.start_main_~x~4)), 36763#(and (<= 36 ULTIMATE.start_main_~x~4) (<= ULTIMATE.start_main_~x~4 36)), 36764#(and (<= ULTIMATE.start_main_~x~4 37) (<= 37 ULTIMATE.start_main_~x~4)), 36765#(and (<= 38 ULTIMATE.start_main_~x~4) (<= ULTIMATE.start_main_~x~4 38)), 36766#(and (<= ULTIMATE.start_main_~x~4 39) (<= 39 ULTIMATE.start_main_~x~4)), 36767#(and (<= ULTIMATE.start_main_~x~4 40) (<= 40 ULTIMATE.start_main_~x~4)), 36768#(and (<= ULTIMATE.start_main_~x~4 41) (<= 41 ULTIMATE.start_main_~x~4)), 36769#(and (<= ULTIMATE.start_main_~x~4 42) (<= 42 ULTIMATE.start_main_~x~4)), 36770#(and (<= ULTIMATE.start_main_~x~4 43) (<= 43 ULTIMATE.start_main_~x~4)), 36771#(and (<= 44 ULTIMATE.start_main_~x~4) (<= ULTIMATE.start_main_~x~4 44)), 36772#(and (<= 45 ULTIMATE.start_main_~x~4) (<= ULTIMATE.start_main_~x~4 45)), 36773#(and (<= ULTIMATE.start_main_~x~4 46) (<= 46 ULTIMATE.start_main_~x~4)), 36774#(and (<= 47 ULTIMATE.start_main_~x~4) (<= ULTIMATE.start_main_~x~4 47)), 36775#(and (<= 48 ULTIMATE.start_main_~x~4) (<= ULTIMATE.start_main_~x~4 48)), 36776#(and (<= 49 ULTIMATE.start_main_~x~4) (<= ULTIMATE.start_main_~x~4 49)), 36777#(and (<= ULTIMATE.start_main_~x~4 50) (<= 50 ULTIMATE.start_main_~x~4)), 36778#(and (<= 51 ULTIMATE.start_main_~x~4) (<= ULTIMATE.start_main_~x~4 51)), 36779#(and (<= ULTIMATE.start_main_~x~4 52) (<= 52 ULTIMATE.start_main_~x~4)), 36780#(and (<= 53 ULTIMATE.start_main_~x~4) (<= ULTIMATE.start_main_~x~4 53)), 36781#(and (<= ULTIMATE.start_main_~x~4 54) (<= 54 ULTIMATE.start_main_~x~4)), 36782#(and (<= 55 ULTIMATE.start_main_~x~4) (<= ULTIMATE.start_main_~x~4 55)), 36783#(and (<= 56 ULTIMATE.start_main_~x~4) (<= ULTIMATE.start_main_~x~4 56)), 36784#(and (<= 57 ULTIMATE.start_main_~x~4) (<= ULTIMATE.start_main_~x~4 57)), 36785#(and (<= 58 ULTIMATE.start_main_~x~4) (<= ULTIMATE.start_main_~x~4 58)), 36786#(and (<= ULTIMATE.start_main_~x~4 59) (<= 59 ULTIMATE.start_main_~x~4)), 36787#(and (<= 60 ULTIMATE.start_main_~x~4) (<= ULTIMATE.start_main_~x~4 60)), 36788#(and (<= 61 ULTIMATE.start_main_~x~4) (<= ULTIMATE.start_main_~x~4 61)), 36789#(and (<= ULTIMATE.start_main_~x~4 62) (<= 62 ULTIMATE.start_main_~x~4)), 36790#(and (<= 63 ULTIMATE.start_main_~x~4) (<= ULTIMATE.start_main_~x~4 63)), 36791#(and (<= ULTIMATE.start_main_~x~4 64) (<= 64 ULTIMATE.start_main_~x~4)), 36792#(and (<= 65 ULTIMATE.start_main_~x~4) (<= ULTIMATE.start_main_~x~4 65)), 36793#(and (<= 66 ULTIMATE.start_main_~x~4) (<= ULTIMATE.start_main_~x~4 66)), 36794#(and (<= 67 ULTIMATE.start_main_~x~4) (<= ULTIMATE.start_main_~x~4 67)), 36795#(and (<= ULTIMATE.start_main_~x~4 68) (<= 68 ULTIMATE.start_main_~x~4)), 36796#(and (<= 69 ULTIMATE.start_main_~x~4) (<= ULTIMATE.start_main_~x~4 69)), 36797#(and (<= ULTIMATE.start_main_~x~4 70) (<= 70 ULTIMATE.start_main_~x~4)), 36798#(and (<= 71 ULTIMATE.start_main_~x~4) (<= ULTIMATE.start_main_~x~4 71)), 36799#(and (<= 72 ULTIMATE.start_main_~x~4) (<= ULTIMATE.start_main_~x~4 72)), 36800#(and (<= ULTIMATE.start_main_~x~4 73) (<= 73 ULTIMATE.start_main_~x~4)), 36801#(and (<= 74 ULTIMATE.start_main_~x~4) (<= ULTIMATE.start_main_~x~4 74)), 36802#(and (<= ULTIMATE.start_main_~x~4 75) (<= 75 ULTIMATE.start_main_~x~4)), 36803#(and (<= ULTIMATE.start_main_~x~4 76) (<= 76 ULTIMATE.start_main_~x~4)), 36804#(and (<= ULTIMATE.start_main_~x~4 77) (<= 77 ULTIMATE.start_main_~x~4)), 36805#(and (<= ULTIMATE.start_main_~x~4 78) (<= 78 ULTIMATE.start_main_~x~4)), 36806#(and (<= 79 ULTIMATE.start_main_~x~4) (<= ULTIMATE.start_main_~x~4 79)), 36807#(and (<= ULTIMATE.start_main_~x~4 80) (<= 80 ULTIMATE.start_main_~x~4)), 36808#(and (<= ULTIMATE.start_main_~x~4 81) (<= 81 ULTIMATE.start_main_~x~4)), 36809#(and (<= ULTIMATE.start_main_~x~4 82) (<= 82 ULTIMATE.start_main_~x~4)), 36810#(and (<= 83 ULTIMATE.start_main_~x~4) (<= ULTIMATE.start_main_~x~4 83)), 36811#(and (<= ULTIMATE.start_main_~x~4 84) (<= 84 ULTIMATE.start_main_~x~4)), 36812#(and (<= 85 ULTIMATE.start_main_~x~4) (<= ULTIMATE.start_main_~x~4 85)), 36813#(and (<= 86 ULTIMATE.start_main_~x~4) (<= ULTIMATE.start_main_~x~4 86)), 36814#(and (<= ULTIMATE.start_main_~x~4 87) (<= 87 ULTIMATE.start_main_~x~4)), 36725#true, 36726#false, 36727#(and (<= ULTIMATE.start_main_~x~4 0) (<= 0 ULTIMATE.start_main_~x~4)), 36728#(and (<= ULTIMATE.start_main_~x~4 1) (<= 1 ULTIMATE.start_main_~x~4)), 36729#(and (<= 2 ULTIMATE.start_main_~x~4) (<= ULTIMATE.start_main_~x~4 2)), 36730#(and (<= 3 ULTIMATE.start_main_~x~4) (<= ULTIMATE.start_main_~x~4 3)), 36731#(and (<= ULTIMATE.start_main_~x~4 4) (<= 4 ULTIMATE.start_main_~x~4)), 36732#(and (<= ULTIMATE.start_main_~x~4 5) (<= 5 ULTIMATE.start_main_~x~4)), 36733#(and (<= 6 ULTIMATE.start_main_~x~4) (<= ULTIMATE.start_main_~x~4 6)), 36734#(and (<= ULTIMATE.start_main_~x~4 7) (<= 7 ULTIMATE.start_main_~x~4)), 36735#(and (<= ULTIMATE.start_main_~x~4 8) (<= 8 ULTIMATE.start_main_~x~4))] [2018-07-23 13:50:34,029 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 13:50:34,029 INFO L450 AbstractCegarLoop]: Interpolant automaton has 90 states [2018-07-23 13:50:34,030 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 90 interpolants. [2018-07-23 13:50:34,030 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=177, Invalid=7833, Unknown=0, NotChecked=0, Total=8010 [2018-07-23 13:50:34,030 INFO L87 Difference]: Start difference. First operand 179 states and 179 transitions. Second operand 90 states. [2018-07-23 13:50:34,589 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-07-23 13:50:34,589 INFO L93 Difference]: Finished difference Result 183 states and 183 transitions. [2018-07-23 13:50:34,589 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 90 states. [2018-07-23 13:50:34,590 INFO L78 Accepts]: Start accepts. Automaton has 90 states. Word has length 178 [2018-07-23 13:50:34,590 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-07-23 13:50:34,591 INFO L225 Difference]: With dead ends: 183 [2018-07-23 13:50:34,591 INFO L226 Difference]: Without dead ends: 181 [2018-07-23 13:50:34,592 INFO L575 BasicCegarLoop]: 0 DeclaredPredicates, 89 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 88 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=177, Invalid=7833, Unknown=0, NotChecked=0, Total=8010 [2018-07-23 13:50:34,592 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 181 states. [2018-07-23 13:50:34,599 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 181 to 181. [2018-07-23 13:50:34,599 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 181 states. [2018-07-23 13:50:34,600 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 181 states to 181 states and 181 transitions. [2018-07-23 13:50:34,600 INFO L78 Accepts]: Start accepts. Automaton has 181 states and 181 transitions. Word has length 178 [2018-07-23 13:50:34,600 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-07-23 13:50:34,600 INFO L471 AbstractCegarLoop]: Abstraction has 181 states and 181 transitions. [2018-07-23 13:50:34,600 INFO L472 AbstractCegarLoop]: Interpolant automaton has 90 states. [2018-07-23 13:50:34,600 INFO L276 IsEmpty]: Start isEmpty. Operand 181 states and 181 transitions. [2018-07-23 13:50:34,601 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 181 [2018-07-23 13:50:34,601 INFO L349 BasicCegarLoop]: Found error trace [2018-07-23 13:50:34,601 INFO L357 BasicCegarLoop]: trace histogram [89, 88, 1, 1, 1] [2018-07-23 13:50:34,602 INFO L414 AbstractCegarLoop]: === Iteration 89 === [ULTIMATE.startErr0AssertViolationASSERT]=== [2018-07-23 13:50:34,602 INFO L82 PathProgramCache]: Analyzing trace with hash -983013961, now seen corresponding path program 88 times [2018-07-23 13:50:34,602 INFO L69 tionRefinementEngine]: Using refinement strategy FixedRefinementStrategy [2018-07-23 13:50:34,689 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-07-23 13:50:35,104 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 13:50:35,104 INFO L309 seRefinementStrategy]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2018-07-23 13:50:35,104 INFO L324 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [90] total 90 [2018-07-23 13:50:35,105 INFO L142 lantAutomatonBuilder]: Constructing canonical interpolant automaton, with selfloop in false state [2018-07-23 13:50:35,105 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 13:50:35,105 INFO L185 omatonBuilderFactory]: Interpolants [37632#(and (<= ULTIMATE.start_main_~x~4 87) (<= 87 ULTIMATE.start_main_~x~4)), 37633#(and (<= 88 ULTIMATE.start_main_~x~4) (<= ULTIMATE.start_main_~x~4 88)), 37543#true, 37544#false, 37545#(and (<= ULTIMATE.start_main_~x~4 0) (<= 0 ULTIMATE.start_main_~x~4)), 37546#(and (<= ULTIMATE.start_main_~x~4 1) (<= 1 ULTIMATE.start_main_~x~4)), 37547#(and (<= 2 ULTIMATE.start_main_~x~4) (<= ULTIMATE.start_main_~x~4 2)), 37548#(and (<= 3 ULTIMATE.start_main_~x~4) (<= ULTIMATE.start_main_~x~4 3)), 37549#(and (<= ULTIMATE.start_main_~x~4 4) (<= 4 ULTIMATE.start_main_~x~4)), 37550#(and (<= ULTIMATE.start_main_~x~4 5) (<= 5 ULTIMATE.start_main_~x~4)), 37551#(and (<= 6 ULTIMATE.start_main_~x~4) (<= ULTIMATE.start_main_~x~4 6)), 37552#(and (<= ULTIMATE.start_main_~x~4 7) (<= 7 ULTIMATE.start_main_~x~4)), 37553#(and (<= ULTIMATE.start_main_~x~4 8) (<= 8 ULTIMATE.start_main_~x~4)), 37554#(and (<= 9 ULTIMATE.start_main_~x~4) (<= ULTIMATE.start_main_~x~4 9)), 37555#(and (<= ULTIMATE.start_main_~x~4 10) (<= 10 ULTIMATE.start_main_~x~4)), 37556#(and (<= ULTIMATE.start_main_~x~4 11) (<= 11 ULTIMATE.start_main_~x~4)), 37557#(and (<= 12 ULTIMATE.start_main_~x~4) (<= ULTIMATE.start_main_~x~4 12)), 37558#(and (<= ULTIMATE.start_main_~x~4 13) (<= 13 ULTIMATE.start_main_~x~4)), 37559#(and (<= 14 ULTIMATE.start_main_~x~4) (<= ULTIMATE.start_main_~x~4 14)), 37560#(and (<= 15 ULTIMATE.start_main_~x~4) (<= ULTIMATE.start_main_~x~4 15)), 37561#(and (<= ULTIMATE.start_main_~x~4 16) (<= 16 ULTIMATE.start_main_~x~4)), 37562#(and (<= ULTIMATE.start_main_~x~4 17) (<= 17 ULTIMATE.start_main_~x~4)), 37563#(and (<= 18 ULTIMATE.start_main_~x~4) (<= ULTIMATE.start_main_~x~4 18)), 37564#(and (<= 19 ULTIMATE.start_main_~x~4) (<= ULTIMATE.start_main_~x~4 19)), 37565#(and (<= 20 ULTIMATE.start_main_~x~4) (<= ULTIMATE.start_main_~x~4 20)), 37566#(and (<= ULTIMATE.start_main_~x~4 21) (<= 21 ULTIMATE.start_main_~x~4)), 37567#(and (<= ULTIMATE.start_main_~x~4 22) (<= 22 ULTIMATE.start_main_~x~4)), 37568#(and (<= ULTIMATE.start_main_~x~4 23) (<= 23 ULTIMATE.start_main_~x~4)), 37569#(and (<= ULTIMATE.start_main_~x~4 24) (<= 24 ULTIMATE.start_main_~x~4)), 37570#(and (<= ULTIMATE.start_main_~x~4 25) (<= 25 ULTIMATE.start_main_~x~4)), 37571#(and (<= ULTIMATE.start_main_~x~4 26) (<= 26 ULTIMATE.start_main_~x~4)), 37572#(and (<= ULTIMATE.start_main_~x~4 27) (<= 27 ULTIMATE.start_main_~x~4)), 37573#(and (<= ULTIMATE.start_main_~x~4 28) (<= 28 ULTIMATE.start_main_~x~4)), 37574#(and (<= 29 ULTIMATE.start_main_~x~4) (<= ULTIMATE.start_main_~x~4 29)), 37575#(and (<= ULTIMATE.start_main_~x~4 30) (<= 30 ULTIMATE.start_main_~x~4)), 37576#(and (<= ULTIMATE.start_main_~x~4 31) (<= 31 ULTIMATE.start_main_~x~4)), 37577#(and (<= ULTIMATE.start_main_~x~4 32) (<= 32 ULTIMATE.start_main_~x~4)), 37578#(and (<= ULTIMATE.start_main_~x~4 33) (<= 33 ULTIMATE.start_main_~x~4)), 37579#(and (<= 34 ULTIMATE.start_main_~x~4) (<= ULTIMATE.start_main_~x~4 34)), 37580#(and (<= ULTIMATE.start_main_~x~4 35) (<= 35 ULTIMATE.start_main_~x~4)), 37581#(and (<= 36 ULTIMATE.start_main_~x~4) (<= ULTIMATE.start_main_~x~4 36)), 37582#(and (<= ULTIMATE.start_main_~x~4 37) (<= 37 ULTIMATE.start_main_~x~4)), 37583#(and (<= 38 ULTIMATE.start_main_~x~4) (<= ULTIMATE.start_main_~x~4 38)), 37584#(and (<= ULTIMATE.start_main_~x~4 39) (<= 39 ULTIMATE.start_main_~x~4)), 37585#(and (<= ULTIMATE.start_main_~x~4 40) (<= 40 ULTIMATE.start_main_~x~4)), 37586#(and (<= ULTIMATE.start_main_~x~4 41) (<= 41 ULTIMATE.start_main_~x~4)), 37587#(and (<= ULTIMATE.start_main_~x~4 42) (<= 42 ULTIMATE.start_main_~x~4)), 37588#(and (<= ULTIMATE.start_main_~x~4 43) (<= 43 ULTIMATE.start_main_~x~4)), 37589#(and (<= 44 ULTIMATE.start_main_~x~4) (<= ULTIMATE.start_main_~x~4 44)), 37590#(and (<= 45 ULTIMATE.start_main_~x~4) (<= ULTIMATE.start_main_~x~4 45)), 37591#(and (<= ULTIMATE.start_main_~x~4 46) (<= 46 ULTIMATE.start_main_~x~4)), 37592#(and (<= 47 ULTIMATE.start_main_~x~4) (<= ULTIMATE.start_main_~x~4 47)), 37593#(and (<= 48 ULTIMATE.start_main_~x~4) (<= ULTIMATE.start_main_~x~4 48)), 37594#(and (<= 49 ULTIMATE.start_main_~x~4) (<= ULTIMATE.start_main_~x~4 49)), 37595#(and (<= ULTIMATE.start_main_~x~4 50) (<= 50 ULTIMATE.start_main_~x~4)), 37596#(and (<= 51 ULTIMATE.start_main_~x~4) (<= ULTIMATE.start_main_~x~4 51)), 37597#(and (<= ULTIMATE.start_main_~x~4 52) (<= 52 ULTIMATE.start_main_~x~4)), 37598#(and (<= 53 ULTIMATE.start_main_~x~4) (<= ULTIMATE.start_main_~x~4 53)), 37599#(and (<= ULTIMATE.start_main_~x~4 54) (<= 54 ULTIMATE.start_main_~x~4)), 37600#(and (<= 55 ULTIMATE.start_main_~x~4) (<= ULTIMATE.start_main_~x~4 55)), 37601#(and (<= 56 ULTIMATE.start_main_~x~4) (<= ULTIMATE.start_main_~x~4 56)), 37602#(and (<= 57 ULTIMATE.start_main_~x~4) (<= ULTIMATE.start_main_~x~4 57)), 37603#(and (<= 58 ULTIMATE.start_main_~x~4) (<= ULTIMATE.start_main_~x~4 58)), 37604#(and (<= ULTIMATE.start_main_~x~4 59) (<= 59 ULTIMATE.start_main_~x~4)), 37605#(and (<= 60 ULTIMATE.start_main_~x~4) (<= ULTIMATE.start_main_~x~4 60)), 37606#(and (<= 61 ULTIMATE.start_main_~x~4) (<= ULTIMATE.start_main_~x~4 61)), 37607#(and (<= ULTIMATE.start_main_~x~4 62) (<= 62 ULTIMATE.start_main_~x~4)), 37608#(and (<= 63 ULTIMATE.start_main_~x~4) (<= ULTIMATE.start_main_~x~4 63)), 37609#(and (<= ULTIMATE.start_main_~x~4 64) (<= 64 ULTIMATE.start_main_~x~4)), 37610#(and (<= 65 ULTIMATE.start_main_~x~4) (<= ULTIMATE.start_main_~x~4 65)), 37611#(and (<= 66 ULTIMATE.start_main_~x~4) (<= ULTIMATE.start_main_~x~4 66)), 37612#(and (<= 67 ULTIMATE.start_main_~x~4) (<= ULTIMATE.start_main_~x~4 67)), 37613#(and (<= ULTIMATE.start_main_~x~4 68) (<= 68 ULTIMATE.start_main_~x~4)), 37614#(and (<= 69 ULTIMATE.start_main_~x~4) (<= ULTIMATE.start_main_~x~4 69)), 37615#(and (<= ULTIMATE.start_main_~x~4 70) (<= 70 ULTIMATE.start_main_~x~4)), 37616#(and (<= 71 ULTIMATE.start_main_~x~4) (<= ULTIMATE.start_main_~x~4 71)), 37617#(and (<= 72 ULTIMATE.start_main_~x~4) (<= ULTIMATE.start_main_~x~4 72)), 37618#(and (<= ULTIMATE.start_main_~x~4 73) (<= 73 ULTIMATE.start_main_~x~4)), 37619#(and (<= 74 ULTIMATE.start_main_~x~4) (<= ULTIMATE.start_main_~x~4 74)), 37620#(and (<= ULTIMATE.start_main_~x~4 75) (<= 75 ULTIMATE.start_main_~x~4)), 37621#(and (<= ULTIMATE.start_main_~x~4 76) (<= 76 ULTIMATE.start_main_~x~4)), 37622#(and (<= ULTIMATE.start_main_~x~4 77) (<= 77 ULTIMATE.start_main_~x~4)), 37623#(and (<= ULTIMATE.start_main_~x~4 78) (<= 78 ULTIMATE.start_main_~x~4)), 37624#(and (<= 79 ULTIMATE.start_main_~x~4) (<= ULTIMATE.start_main_~x~4 79)), 37625#(and (<= ULTIMATE.start_main_~x~4 80) (<= 80 ULTIMATE.start_main_~x~4)), 37626#(and (<= ULTIMATE.start_main_~x~4 81) (<= 81 ULTIMATE.start_main_~x~4)), 37627#(and (<= ULTIMATE.start_main_~x~4 82) (<= 82 ULTIMATE.start_main_~x~4)), 37628#(and (<= 83 ULTIMATE.start_main_~x~4) (<= ULTIMATE.start_main_~x~4 83)), 37629#(and (<= ULTIMATE.start_main_~x~4 84) (<= 84 ULTIMATE.start_main_~x~4)), 37630#(and (<= 85 ULTIMATE.start_main_~x~4) (<= ULTIMATE.start_main_~x~4 85)), 37631#(and (<= 86 ULTIMATE.start_main_~x~4) (<= ULTIMATE.start_main_~x~4 86))] [2018-07-23 13:50:35,106 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 13:50:35,106 INFO L450 AbstractCegarLoop]: Interpolant automaton has 91 states [2018-07-23 13:50:35,106 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 91 interpolants. [2018-07-23 13:50:35,107 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=179, Invalid=8011, Unknown=0, NotChecked=0, Total=8190 [2018-07-23 13:50:35,107 INFO L87 Difference]: Start difference. First operand 181 states and 181 transitions. Second operand 91 states. [2018-07-23 13:50:35,685 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-07-23 13:50:35,685 INFO L93 Difference]: Finished difference Result 185 states and 185 transitions. [2018-07-23 13:50:35,686 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 91 states. [2018-07-23 13:50:35,686 INFO L78 Accepts]: Start accepts. Automaton has 91 states. Word has length 180 [2018-07-23 13:50:35,686 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-07-23 13:50:35,687 INFO L225 Difference]: With dead ends: 185 [2018-07-23 13:50:35,687 INFO L226 Difference]: Without dead ends: 183 [2018-07-23 13:50:35,688 INFO L575 BasicCegarLoop]: 0 DeclaredPredicates, 90 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 89 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=179, Invalid=8011, Unknown=0, NotChecked=0, Total=8190 [2018-07-23 13:50:35,688 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 183 states. [2018-07-23 13:50:35,695 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 183 to 183. [2018-07-23 13:50:35,695 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 183 states. [2018-07-23 13:50:35,696 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 183 states to 183 states and 183 transitions. [2018-07-23 13:50:35,696 INFO L78 Accepts]: Start accepts. Automaton has 183 states and 183 transitions. Word has length 180 [2018-07-23 13:50:35,696 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-07-23 13:50:35,696 INFO L471 AbstractCegarLoop]: Abstraction has 183 states and 183 transitions. [2018-07-23 13:50:35,696 INFO L472 AbstractCegarLoop]: Interpolant automaton has 91 states. [2018-07-23 13:50:35,696 INFO L276 IsEmpty]: Start isEmpty. Operand 183 states and 183 transitions. [2018-07-23 13:50:35,697 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 183 [2018-07-23 13:50:35,697 INFO L349 BasicCegarLoop]: Found error trace [2018-07-23 13:50:35,697 INFO L357 BasicCegarLoop]: trace histogram [90, 89, 1, 1, 1] [2018-07-23 13:50:35,698 INFO L414 AbstractCegarLoop]: === Iteration 90 === [ULTIMATE.startErr0AssertViolationASSERT]=== [2018-07-23 13:50:35,698 INFO L82 PathProgramCache]: Analyzing trace with hash 216440689, now seen corresponding path program 89 times [2018-07-23 13:50:35,698 INFO L69 tionRefinementEngine]: Using refinement strategy FixedRefinementStrategy [2018-07-23 13:50:35,779 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-07-23 13:50:36,365 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 13:50:36,365 INFO L309 seRefinementStrategy]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2018-07-23 13:50:36,365 INFO L324 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [91] total 91 [2018-07-23 13:50:36,365 INFO L142 lantAutomatonBuilder]: Constructing canonical interpolant automaton, with selfloop in false state [2018-07-23 13:50:36,366 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-07-23 13:50:36,366 INFO L185 omatonBuilderFactory]: Interpolants [38400#(and (<= ULTIMATE.start_main_~x~4 28) (<= 28 ULTIMATE.start_main_~x~4)), 38401#(and (<= 29 ULTIMATE.start_main_~x~4) (<= ULTIMATE.start_main_~x~4 29)), 38402#(and (<= ULTIMATE.start_main_~x~4 30) (<= 30 ULTIMATE.start_main_~x~4)), 38403#(and (<= ULTIMATE.start_main_~x~4 31) (<= 31 ULTIMATE.start_main_~x~4)), 38404#(and (<= ULTIMATE.start_main_~x~4 32) (<= 32 ULTIMATE.start_main_~x~4)), 38405#(and (<= ULTIMATE.start_main_~x~4 33) (<= 33 ULTIMATE.start_main_~x~4)), 38406#(and (<= 34 ULTIMATE.start_main_~x~4) (<= ULTIMATE.start_main_~x~4 34)), 38407#(and (<= ULTIMATE.start_main_~x~4 35) (<= 35 ULTIMATE.start_main_~x~4)), 38408#(and (<= 36 ULTIMATE.start_main_~x~4) (<= ULTIMATE.start_main_~x~4 36)), 38409#(and (<= ULTIMATE.start_main_~x~4 37) (<= 37 ULTIMATE.start_main_~x~4)), 38410#(and (<= 38 ULTIMATE.start_main_~x~4) (<= ULTIMATE.start_main_~x~4 38)), 38411#(and (<= ULTIMATE.start_main_~x~4 39) (<= 39 ULTIMATE.start_main_~x~4)), 38412#(and (<= ULTIMATE.start_main_~x~4 40) (<= 40 ULTIMATE.start_main_~x~4)), 38413#(and (<= ULTIMATE.start_main_~x~4 41) (<= 41 ULTIMATE.start_main_~x~4)), 38414#(and (<= ULTIMATE.start_main_~x~4 42) (<= 42 ULTIMATE.start_main_~x~4)), 38415#(and (<= ULTIMATE.start_main_~x~4 43) (<= 43 ULTIMATE.start_main_~x~4)), 38416#(and (<= 44 ULTIMATE.start_main_~x~4) (<= ULTIMATE.start_main_~x~4 44)), 38417#(and (<= 45 ULTIMATE.start_main_~x~4) (<= ULTIMATE.start_main_~x~4 45)), 38418#(and (<= ULTIMATE.start_main_~x~4 46) (<= 46 ULTIMATE.start_main_~x~4)), 38419#(and (<= 47 ULTIMATE.start_main_~x~4) (<= ULTIMATE.start_main_~x~4 47)), 38420#(and (<= 48 ULTIMATE.start_main_~x~4) (<= ULTIMATE.start_main_~x~4 48)), 38421#(and (<= 49 ULTIMATE.start_main_~x~4) (<= ULTIMATE.start_main_~x~4 49)), 38422#(and (<= ULTIMATE.start_main_~x~4 50) (<= 50 ULTIMATE.start_main_~x~4)), 38423#(and (<= 51 ULTIMATE.start_main_~x~4) (<= ULTIMATE.start_main_~x~4 51)), 38424#(and (<= ULTIMATE.start_main_~x~4 52) (<= 52 ULTIMATE.start_main_~x~4)), 38425#(and (<= 53 ULTIMATE.start_main_~x~4) (<= ULTIMATE.start_main_~x~4 53)), 38426#(and (<= ULTIMATE.start_main_~x~4 54) (<= 54 ULTIMATE.start_main_~x~4)), 38427#(and (<= 55 ULTIMATE.start_main_~x~4) (<= ULTIMATE.start_main_~x~4 55)), 38428#(and (<= 56 ULTIMATE.start_main_~x~4) (<= ULTIMATE.start_main_~x~4 56)), 38429#(and (<= 57 ULTIMATE.start_main_~x~4) (<= ULTIMATE.start_main_~x~4 57)), 38430#(and (<= 58 ULTIMATE.start_main_~x~4) (<= ULTIMATE.start_main_~x~4 58)), 38431#(and (<= ULTIMATE.start_main_~x~4 59) (<= 59 ULTIMATE.start_main_~x~4)), 38432#(and (<= 60 ULTIMATE.start_main_~x~4) (<= ULTIMATE.start_main_~x~4 60)), 38433#(and (<= 61 ULTIMATE.start_main_~x~4) (<= ULTIMATE.start_main_~x~4 61)), 38434#(and (<= ULTIMATE.start_main_~x~4 62) (<= 62 ULTIMATE.start_main_~x~4)), 38435#(and (<= 63 ULTIMATE.start_main_~x~4) (<= ULTIMATE.start_main_~x~4 63)), 38436#(and (<= ULTIMATE.start_main_~x~4 64) (<= 64 ULTIMATE.start_main_~x~4)), 38437#(and (<= 65 ULTIMATE.start_main_~x~4) (<= ULTIMATE.start_main_~x~4 65)), 38438#(and (<= 66 ULTIMATE.start_main_~x~4) (<= ULTIMATE.start_main_~x~4 66)), 38439#(and (<= 67 ULTIMATE.start_main_~x~4) (<= ULTIMATE.start_main_~x~4 67)), 38440#(and (<= ULTIMATE.start_main_~x~4 68) (<= 68 ULTIMATE.start_main_~x~4)), 38441#(and (<= 69 ULTIMATE.start_main_~x~4) (<= ULTIMATE.start_main_~x~4 69)), 38442#(and (<= ULTIMATE.start_main_~x~4 70) (<= 70 ULTIMATE.start_main_~x~4)), 38443#(and (<= 71 ULTIMATE.start_main_~x~4) (<= ULTIMATE.start_main_~x~4 71)), 38444#(and (<= 72 ULTIMATE.start_main_~x~4) (<= ULTIMATE.start_main_~x~4 72)), 38445#(and (<= ULTIMATE.start_main_~x~4 73) (<= 73 ULTIMATE.start_main_~x~4)), 38446#(and (<= 74 ULTIMATE.start_main_~x~4) (<= ULTIMATE.start_main_~x~4 74)), 38447#(and (<= ULTIMATE.start_main_~x~4 75) (<= 75 ULTIMATE.start_main_~x~4)), 38448#(and (<= ULTIMATE.start_main_~x~4 76) (<= 76 ULTIMATE.start_main_~x~4)), 38449#(and (<= ULTIMATE.start_main_~x~4 77) (<= 77 ULTIMATE.start_main_~x~4)), 38450#(and (<= ULTIMATE.start_main_~x~4 78) (<= 78 ULTIMATE.start_main_~x~4)), 38451#(and (<= 79 ULTIMATE.start_main_~x~4) (<= ULTIMATE.start_main_~x~4 79)), 38452#(and (<= ULTIMATE.start_main_~x~4 80) (<= 80 ULTIMATE.start_main_~x~4)), 38453#(and (<= ULTIMATE.start_main_~x~4 81) (<= 81 ULTIMATE.start_main_~x~4)), 38454#(and (<= ULTIMATE.start_main_~x~4 82) (<= 82 ULTIMATE.start_main_~x~4)), 38455#(and (<= 83 ULTIMATE.start_main_~x~4) (<= ULTIMATE.start_main_~x~4 83)), 38456#(and (<= ULTIMATE.start_main_~x~4 84) (<= 84 ULTIMATE.start_main_~x~4)), 38457#(and (<= 85 ULTIMATE.start_main_~x~4) (<= ULTIMATE.start_main_~x~4 85)), 38458#(and (<= 86 ULTIMATE.start_main_~x~4) (<= ULTIMATE.start_main_~x~4 86)), 38459#(and (<= ULTIMATE.start_main_~x~4 87) (<= 87 ULTIMATE.start_main_~x~4)), 38460#(and (<= 88 ULTIMATE.start_main_~x~4) (<= ULTIMATE.start_main_~x~4 88)), 38461#(and (<= ULTIMATE.start_main_~x~4 89) (<= 89 ULTIMATE.start_main_~x~4)), 38370#true, 38371#false, 38372#(and (<= ULTIMATE.start_main_~x~4 0) (<= 0 ULTIMATE.start_main_~x~4)), 38373#(and (<= ULTIMATE.start_main_~x~4 1) (<= 1 ULTIMATE.start_main_~x~4)), 38374#(and (<= 2 ULTIMATE.start_main_~x~4) (<= ULTIMATE.start_main_~x~4 2)), 38375#(and (<= 3 ULTIMATE.start_main_~x~4) (<= ULTIMATE.start_main_~x~4 3)), 38376#(and (<= ULTIMATE.start_main_~x~4 4) (<= 4 ULTIMATE.start_main_~x~4)), 38377#(and (<= ULTIMATE.start_main_~x~4 5) (<= 5 ULTIMATE.start_main_~x~4)), 38378#(and (<= 6 ULTIMATE.start_main_~x~4) (<= ULTIMATE.start_main_~x~4 6)), 38379#(and (<= ULTIMATE.start_main_~x~4 7) (<= 7 ULTIMATE.start_main_~x~4)), 38380#(and (<= ULTIMATE.start_main_~x~4 8) (<= 8 ULTIMATE.start_main_~x~4)), 38381#(and (<= 9 ULTIMATE.start_main_~x~4) (<= ULTIMATE.start_main_~x~4 9)), 38382#(and (<= ULTIMATE.start_main_~x~4 10) (<= 10 ULTIMATE.start_main_~x~4)), 38383#(and (<= ULTIMATE.start_main_~x~4 11) (<= 11 ULTIMATE.start_main_~x~4)), 38384#(and (<= 12 ULTIMATE.start_main_~x~4) (<= ULTIMATE.start_main_~x~4 12)), 38385#(and (<= ULTIMATE.start_main_~x~4 13) (<= 13 ULTIMATE.start_main_~x~4)), 38386#(and (<= 14 ULTIMATE.start_main_~x~4) (<= ULTIMATE.start_main_~x~4 14)), 38387#(and (<= 15 ULTIMATE.start_main_~x~4) (<= ULTIMATE.start_main_~x~4 15)), 38388#(and (<= ULTIMATE.start_main_~x~4 16) (<= 16 ULTIMATE.start_main_~x~4)), 38389#(and (<= ULTIMATE.start_main_~x~4 17) (<= 17 ULTIMATE.start_main_~x~4)), 38390#(and (<= 18 ULTIMATE.start_main_~x~4) (<= ULTIMATE.start_main_~x~4 18)), 38391#(and (<= 19 ULTIMATE.start_main_~x~4) (<= ULTIMATE.start_main_~x~4 19)), 38392#(and (<= 20 ULTIMATE.start_main_~x~4) (<= ULTIMATE.start_main_~x~4 20)), 38393#(and (<= ULTIMATE.start_main_~x~4 21) (<= 21 ULTIMATE.start_main_~x~4)), 38394#(and (<= ULTIMATE.start_main_~x~4 22) (<= 22 ULTIMATE.start_main_~x~4)), 38395#(and (<= ULTIMATE.start_main_~x~4 23) (<= 23 ULTIMATE.start_main_~x~4)), 38396#(and (<= ULTIMATE.start_main_~x~4 24) (<= 24 ULTIMATE.start_main_~x~4)), 38397#(and (<= ULTIMATE.start_main_~x~4 25) (<= 25 ULTIMATE.start_main_~x~4)), 38398#(and (<= ULTIMATE.start_main_~x~4 26) (<= 26 ULTIMATE.start_main_~x~4)), 38399#(and (<= ULTIMATE.start_main_~x~4 27) (<= 27 ULTIMATE.start_main_~x~4))] [2018-07-23 13:50:36,367 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 13:50:36,367 INFO L450 AbstractCegarLoop]: Interpolant automaton has 92 states [2018-07-23 13:50:36,368 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 92 interpolants. [2018-07-23 13:50:36,368 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=181, Invalid=8191, Unknown=0, NotChecked=0, Total=8372 [2018-07-23 13:50:36,368 INFO L87 Difference]: Start difference. First operand 183 states and 183 transitions. Second operand 92 states. [2018-07-23 13:50:36,993 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-07-23 13:50:36,993 INFO L93 Difference]: Finished difference Result 187 states and 187 transitions. [2018-07-23 13:50:36,994 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 92 states. [2018-07-23 13:50:36,994 INFO L78 Accepts]: Start accepts. Automaton has 92 states. Word has length 182 [2018-07-23 13:50:36,994 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-07-23 13:50:36,995 INFO L225 Difference]: With dead ends: 187 [2018-07-23 13:50:36,995 INFO L226 Difference]: Without dead ends: 185 [2018-07-23 13:50:36,995 INFO L575 BasicCegarLoop]: 0 DeclaredPredicates, 91 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 90 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.4s TimeCoverageRelationStatistics Valid=181, Invalid=8191, Unknown=0, NotChecked=0, Total=8372 [2018-07-23 13:50:36,995 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 185 states. [2018-07-23 13:50:37,000 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 185 to 185. [2018-07-23 13:50:37,000 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 185 states. [2018-07-23 13:50:37,001 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 185 states to 185 states and 185 transitions. [2018-07-23 13:50:37,001 INFO L78 Accepts]: Start accepts. Automaton has 185 states and 185 transitions. Word has length 182 [2018-07-23 13:50:37,001 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-07-23 13:50:37,001 INFO L471 AbstractCegarLoop]: Abstraction has 185 states and 185 transitions. [2018-07-23 13:50:37,001 INFO L472 AbstractCegarLoop]: Interpolant automaton has 92 states. [2018-07-23 13:50:37,001 INFO L276 IsEmpty]: Start isEmpty. Operand 185 states and 185 transitions. [2018-07-23 13:50:37,002 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 185 [2018-07-23 13:50:37,002 INFO L349 BasicCegarLoop]: Found error trace [2018-07-23 13:50:37,002 INFO L357 BasicCegarLoop]: trace histogram [91, 90, 1, 1, 1] [2018-07-23 13:50:37,002 INFO L414 AbstractCegarLoop]: === Iteration 91 === [ULTIMATE.startErr0AssertViolationASSERT]=== [2018-07-23 13:50:37,002 INFO L82 PathProgramCache]: Analyzing trace with hash 1841124011, now seen corresponding path program 90 times [2018-07-23 13:50:37,002 INFO L69 tionRefinementEngine]: Using refinement strategy FixedRefinementStrategy [2018-07-23 13:50:37,084 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-07-23 13:50:37,543 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 13:50:37,544 INFO L309 seRefinementStrategy]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2018-07-23 13:50:37,544 INFO L324 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [92] total 92 [2018-07-23 13:50:37,544 INFO L142 lantAutomatonBuilder]: Constructing canonical interpolant automaton, with selfloop in false state [2018-07-23 13:50:37,544 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-07-23 13:50:37,545 INFO L185 omatonBuilderFactory]: Interpolants [39296#(and (<= 88 ULTIMATE.start_main_~x~4) (<= ULTIMATE.start_main_~x~4 88)), 39297#(and (<= ULTIMATE.start_main_~x~4 89) (<= 89 ULTIMATE.start_main_~x~4)), 39298#(and (<= ULTIMATE.start_main_~x~4 90) (<= 90 ULTIMATE.start_main_~x~4)), 39206#true, 39207#false, 39208#(and (<= ULTIMATE.start_main_~x~4 0) (<= 0 ULTIMATE.start_main_~x~4)), 39209#(and (<= ULTIMATE.start_main_~x~4 1) (<= 1 ULTIMATE.start_main_~x~4)), 39210#(and (<= 2 ULTIMATE.start_main_~x~4) (<= ULTIMATE.start_main_~x~4 2)), 39211#(and (<= 3 ULTIMATE.start_main_~x~4) (<= ULTIMATE.start_main_~x~4 3)), 39212#(and (<= ULTIMATE.start_main_~x~4 4) (<= 4 ULTIMATE.start_main_~x~4)), 39213#(and (<= ULTIMATE.start_main_~x~4 5) (<= 5 ULTIMATE.start_main_~x~4)), 39214#(and (<= 6 ULTIMATE.start_main_~x~4) (<= ULTIMATE.start_main_~x~4 6)), 39215#(and (<= ULTIMATE.start_main_~x~4 7) (<= 7 ULTIMATE.start_main_~x~4)), 39216#(and (<= ULTIMATE.start_main_~x~4 8) (<= 8 ULTIMATE.start_main_~x~4)), 39217#(and (<= 9 ULTIMATE.start_main_~x~4) (<= ULTIMATE.start_main_~x~4 9)), 39218#(and (<= ULTIMATE.start_main_~x~4 10) (<= 10 ULTIMATE.start_main_~x~4)), 39219#(and (<= ULTIMATE.start_main_~x~4 11) (<= 11 ULTIMATE.start_main_~x~4)), 39220#(and (<= 12 ULTIMATE.start_main_~x~4) (<= ULTIMATE.start_main_~x~4 12)), 39221#(and (<= ULTIMATE.start_main_~x~4 13) (<= 13 ULTIMATE.start_main_~x~4)), 39222#(and (<= 14 ULTIMATE.start_main_~x~4) (<= ULTIMATE.start_main_~x~4 14)), 39223#(and (<= 15 ULTIMATE.start_main_~x~4) (<= ULTIMATE.start_main_~x~4 15)), 39224#(and (<= ULTIMATE.start_main_~x~4 16) (<= 16 ULTIMATE.start_main_~x~4)), 39225#(and (<= ULTIMATE.start_main_~x~4 17) (<= 17 ULTIMATE.start_main_~x~4)), 39226#(and (<= 18 ULTIMATE.start_main_~x~4) (<= ULTIMATE.start_main_~x~4 18)), 39227#(and (<= 19 ULTIMATE.start_main_~x~4) (<= ULTIMATE.start_main_~x~4 19)), 39228#(and (<= 20 ULTIMATE.start_main_~x~4) (<= ULTIMATE.start_main_~x~4 20)), 39229#(and (<= ULTIMATE.start_main_~x~4 21) (<= 21 ULTIMATE.start_main_~x~4)), 39230#(and (<= ULTIMATE.start_main_~x~4 22) (<= 22 ULTIMATE.start_main_~x~4)), 39231#(and (<= ULTIMATE.start_main_~x~4 23) (<= 23 ULTIMATE.start_main_~x~4)), 39232#(and (<= ULTIMATE.start_main_~x~4 24) (<= 24 ULTIMATE.start_main_~x~4)), 39233#(and (<= ULTIMATE.start_main_~x~4 25) (<= 25 ULTIMATE.start_main_~x~4)), 39234#(and (<= ULTIMATE.start_main_~x~4 26) (<= 26 ULTIMATE.start_main_~x~4)), 39235#(and (<= ULTIMATE.start_main_~x~4 27) (<= 27 ULTIMATE.start_main_~x~4)), 39236#(and (<= ULTIMATE.start_main_~x~4 28) (<= 28 ULTIMATE.start_main_~x~4)), 39237#(and (<= 29 ULTIMATE.start_main_~x~4) (<= ULTIMATE.start_main_~x~4 29)), 39238#(and (<= ULTIMATE.start_main_~x~4 30) (<= 30 ULTIMATE.start_main_~x~4)), 39239#(and (<= ULTIMATE.start_main_~x~4 31) (<= 31 ULTIMATE.start_main_~x~4)), 39240#(and (<= ULTIMATE.start_main_~x~4 32) (<= 32 ULTIMATE.start_main_~x~4)), 39241#(and (<= ULTIMATE.start_main_~x~4 33) (<= 33 ULTIMATE.start_main_~x~4)), 39242#(and (<= 34 ULTIMATE.start_main_~x~4) (<= ULTIMATE.start_main_~x~4 34)), 39243#(and (<= ULTIMATE.start_main_~x~4 35) (<= 35 ULTIMATE.start_main_~x~4)), 39244#(and (<= 36 ULTIMATE.start_main_~x~4) (<= ULTIMATE.start_main_~x~4 36)), 39245#(and (<= ULTIMATE.start_main_~x~4 37) (<= 37 ULTIMATE.start_main_~x~4)), 39246#(and (<= 38 ULTIMATE.start_main_~x~4) (<= ULTIMATE.start_main_~x~4 38)), 39247#(and (<= ULTIMATE.start_main_~x~4 39) (<= 39 ULTIMATE.start_main_~x~4)), 39248#(and (<= ULTIMATE.start_main_~x~4 40) (<= 40 ULTIMATE.start_main_~x~4)), 39249#(and (<= ULTIMATE.start_main_~x~4 41) (<= 41 ULTIMATE.start_main_~x~4)), 39250#(and (<= ULTIMATE.start_main_~x~4 42) (<= 42 ULTIMATE.start_main_~x~4)), 39251#(and (<= ULTIMATE.start_main_~x~4 43) (<= 43 ULTIMATE.start_main_~x~4)), 39252#(and (<= 44 ULTIMATE.start_main_~x~4) (<= ULTIMATE.start_main_~x~4 44)), 39253#(and (<= 45 ULTIMATE.start_main_~x~4) (<= ULTIMATE.start_main_~x~4 45)), 39254#(and (<= ULTIMATE.start_main_~x~4 46) (<= 46 ULTIMATE.start_main_~x~4)), 39255#(and (<= 47 ULTIMATE.start_main_~x~4) (<= ULTIMATE.start_main_~x~4 47)), 39256#(and (<= 48 ULTIMATE.start_main_~x~4) (<= ULTIMATE.start_main_~x~4 48)), 39257#(and (<= 49 ULTIMATE.start_main_~x~4) (<= ULTIMATE.start_main_~x~4 49)), 39258#(and (<= ULTIMATE.start_main_~x~4 50) (<= 50 ULTIMATE.start_main_~x~4)), 39259#(and (<= 51 ULTIMATE.start_main_~x~4) (<= ULTIMATE.start_main_~x~4 51)), 39260#(and (<= ULTIMATE.start_main_~x~4 52) (<= 52 ULTIMATE.start_main_~x~4)), 39261#(and (<= 53 ULTIMATE.start_main_~x~4) (<= ULTIMATE.start_main_~x~4 53)), 39262#(and (<= ULTIMATE.start_main_~x~4 54) (<= 54 ULTIMATE.start_main_~x~4)), 39263#(and (<= 55 ULTIMATE.start_main_~x~4) (<= ULTIMATE.start_main_~x~4 55)), 39264#(and (<= 56 ULTIMATE.start_main_~x~4) (<= ULTIMATE.start_main_~x~4 56)), 39265#(and (<= 57 ULTIMATE.start_main_~x~4) (<= ULTIMATE.start_main_~x~4 57)), 39266#(and (<= 58 ULTIMATE.start_main_~x~4) (<= ULTIMATE.start_main_~x~4 58)), 39267#(and (<= ULTIMATE.start_main_~x~4 59) (<= 59 ULTIMATE.start_main_~x~4)), 39268#(and (<= 60 ULTIMATE.start_main_~x~4) (<= ULTIMATE.start_main_~x~4 60)), 39269#(and (<= 61 ULTIMATE.start_main_~x~4) (<= ULTIMATE.start_main_~x~4 61)), 39270#(and (<= ULTIMATE.start_main_~x~4 62) (<= 62 ULTIMATE.start_main_~x~4)), 39271#(and (<= 63 ULTIMATE.start_main_~x~4) (<= ULTIMATE.start_main_~x~4 63)), 39272#(and (<= ULTIMATE.start_main_~x~4 64) (<= 64 ULTIMATE.start_main_~x~4)), 39273#(and (<= 65 ULTIMATE.start_main_~x~4) (<= ULTIMATE.start_main_~x~4 65)), 39274#(and (<= 66 ULTIMATE.start_main_~x~4) (<= ULTIMATE.start_main_~x~4 66)), 39275#(and (<= 67 ULTIMATE.start_main_~x~4) (<= ULTIMATE.start_main_~x~4 67)), 39276#(and (<= ULTIMATE.start_main_~x~4 68) (<= 68 ULTIMATE.start_main_~x~4)), 39277#(and (<= 69 ULTIMATE.start_main_~x~4) (<= ULTIMATE.start_main_~x~4 69)), 39278#(and (<= ULTIMATE.start_main_~x~4 70) (<= 70 ULTIMATE.start_main_~x~4)), 39279#(and (<= 71 ULTIMATE.start_main_~x~4) (<= ULTIMATE.start_main_~x~4 71)), 39280#(and (<= 72 ULTIMATE.start_main_~x~4) (<= ULTIMATE.start_main_~x~4 72)), 39281#(and (<= ULTIMATE.start_main_~x~4 73) (<= 73 ULTIMATE.start_main_~x~4)), 39282#(and (<= 74 ULTIMATE.start_main_~x~4) (<= ULTIMATE.start_main_~x~4 74)), 39283#(and (<= ULTIMATE.start_main_~x~4 75) (<= 75 ULTIMATE.start_main_~x~4)), 39284#(and (<= ULTIMATE.start_main_~x~4 76) (<= 76 ULTIMATE.start_main_~x~4)), 39285#(and (<= ULTIMATE.start_main_~x~4 77) (<= 77 ULTIMATE.start_main_~x~4)), 39286#(and (<= ULTIMATE.start_main_~x~4 78) (<= 78 ULTIMATE.start_main_~x~4)), 39287#(and (<= 79 ULTIMATE.start_main_~x~4) (<= ULTIMATE.start_main_~x~4 79)), 39288#(and (<= ULTIMATE.start_main_~x~4 80) (<= 80 ULTIMATE.start_main_~x~4)), 39289#(and (<= ULTIMATE.start_main_~x~4 81) (<= 81 ULTIMATE.start_main_~x~4)), 39290#(and (<= ULTIMATE.start_main_~x~4 82) (<= 82 ULTIMATE.start_main_~x~4)), 39291#(and (<= 83 ULTIMATE.start_main_~x~4) (<= ULTIMATE.start_main_~x~4 83)), 39292#(and (<= ULTIMATE.start_main_~x~4 84) (<= 84 ULTIMATE.start_main_~x~4)), 39293#(and (<= 85 ULTIMATE.start_main_~x~4) (<= ULTIMATE.start_main_~x~4 85)), 39294#(and (<= 86 ULTIMATE.start_main_~x~4) (<= ULTIMATE.start_main_~x~4 86)), 39295#(and (<= ULTIMATE.start_main_~x~4 87) (<= 87 ULTIMATE.start_main_~x~4))] [2018-07-23 13:50:37,545 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 13:50:37,545 INFO L450 AbstractCegarLoop]: Interpolant automaton has 93 states [2018-07-23 13:50:37,545 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 93 interpolants. [2018-07-23 13:50:37,546 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=183, Invalid=8373, Unknown=0, NotChecked=0, Total=8556 [2018-07-23 13:50:37,546 INFO L87 Difference]: Start difference. First operand 185 states and 185 transitions. Second operand 93 states. [2018-07-23 13:50:38,146 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-07-23 13:50:38,147 INFO L93 Difference]: Finished difference Result 189 states and 189 transitions. [2018-07-23 13:50:38,147 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 93 states. [2018-07-23 13:50:38,147 INFO L78 Accepts]: Start accepts. Automaton has 93 states. Word has length 184 [2018-07-23 13:50:38,147 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-07-23 13:50:38,148 INFO L225 Difference]: With dead ends: 189 [2018-07-23 13:50:38,148 INFO L226 Difference]: Without dead ends: 187 [2018-07-23 13:50:38,149 INFO L575 BasicCegarLoop]: 0 DeclaredPredicates, 92 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 91 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=183, Invalid=8373, Unknown=0, NotChecked=0, Total=8556 [2018-07-23 13:50:38,149 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 187 states. [2018-07-23 13:50:38,155 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 187 to 187. [2018-07-23 13:50:38,155 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 187 states. [2018-07-23 13:50:38,156 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 187 states to 187 states and 187 transitions. [2018-07-23 13:50:38,156 INFO L78 Accepts]: Start accepts. Automaton has 187 states and 187 transitions. Word has length 184 [2018-07-23 13:50:38,156 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-07-23 13:50:38,156 INFO L471 AbstractCegarLoop]: Abstraction has 187 states and 187 transitions. [2018-07-23 13:50:38,156 INFO L472 AbstractCegarLoop]: Interpolant automaton has 93 states. [2018-07-23 13:50:38,156 INFO L276 IsEmpty]: Start isEmpty. Operand 187 states and 187 transitions. [2018-07-23 13:50:38,157 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 187 [2018-07-23 13:50:38,157 INFO L349 BasicCegarLoop]: Found error trace [2018-07-23 13:50:38,157 INFO L357 BasicCegarLoop]: trace histogram [92, 91, 1, 1, 1] [2018-07-23 13:50:38,158 INFO L414 AbstractCegarLoop]: === Iteration 92 === [ULTIMATE.startErr0AssertViolationASSERT]=== [2018-07-23 13:50:38,158 INFO L82 PathProgramCache]: Analyzing trace with hash -206299291, now seen corresponding path program 91 times [2018-07-23 13:50:38,158 INFO L69 tionRefinementEngine]: Using refinement strategy FixedRefinementStrategy [2018-07-23 13:50:38,241 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-07-23 13:50:38,695 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 13:50:38,696 INFO L309 seRefinementStrategy]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2018-07-23 13:50:38,696 INFO L324 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [93] total 93 [2018-07-23 13:50:38,696 INFO L142 lantAutomatonBuilder]: Constructing canonical interpolant automaton, with selfloop in false state [2018-07-23 13:50:38,696 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 13:50:38,696 INFO L185 omatonBuilderFactory]: Interpolants [40064#(and (<= ULTIMATE.start_main_~x~4 11) (<= 11 ULTIMATE.start_main_~x~4)), 40065#(and (<= 12 ULTIMATE.start_main_~x~4) (<= ULTIMATE.start_main_~x~4 12)), 40066#(and (<= ULTIMATE.start_main_~x~4 13) (<= 13 ULTIMATE.start_main_~x~4)), 40067#(and (<= 14 ULTIMATE.start_main_~x~4) (<= ULTIMATE.start_main_~x~4 14)), 40068#(and (<= 15 ULTIMATE.start_main_~x~4) (<= ULTIMATE.start_main_~x~4 15)), 40069#(and (<= ULTIMATE.start_main_~x~4 16) (<= 16 ULTIMATE.start_main_~x~4)), 40070#(and (<= ULTIMATE.start_main_~x~4 17) (<= 17 ULTIMATE.start_main_~x~4)), 40071#(and (<= 18 ULTIMATE.start_main_~x~4) (<= ULTIMATE.start_main_~x~4 18)), 40072#(and (<= 19 ULTIMATE.start_main_~x~4) (<= ULTIMATE.start_main_~x~4 19)), 40073#(and (<= 20 ULTIMATE.start_main_~x~4) (<= ULTIMATE.start_main_~x~4 20)), 40074#(and (<= ULTIMATE.start_main_~x~4 21) (<= 21 ULTIMATE.start_main_~x~4)), 40075#(and (<= ULTIMATE.start_main_~x~4 22) (<= 22 ULTIMATE.start_main_~x~4)), 40076#(and (<= ULTIMATE.start_main_~x~4 23) (<= 23 ULTIMATE.start_main_~x~4)), 40077#(and (<= ULTIMATE.start_main_~x~4 24) (<= 24 ULTIMATE.start_main_~x~4)), 40078#(and (<= ULTIMATE.start_main_~x~4 25) (<= 25 ULTIMATE.start_main_~x~4)), 40079#(and (<= ULTIMATE.start_main_~x~4 26) (<= 26 ULTIMATE.start_main_~x~4)), 40080#(and (<= ULTIMATE.start_main_~x~4 27) (<= 27 ULTIMATE.start_main_~x~4)), 40081#(and (<= ULTIMATE.start_main_~x~4 28) (<= 28 ULTIMATE.start_main_~x~4)), 40082#(and (<= 29 ULTIMATE.start_main_~x~4) (<= ULTIMATE.start_main_~x~4 29)), 40083#(and (<= ULTIMATE.start_main_~x~4 30) (<= 30 ULTIMATE.start_main_~x~4)), 40084#(and (<= ULTIMATE.start_main_~x~4 31) (<= 31 ULTIMATE.start_main_~x~4)), 40085#(and (<= ULTIMATE.start_main_~x~4 32) (<= 32 ULTIMATE.start_main_~x~4)), 40086#(and (<= ULTIMATE.start_main_~x~4 33) (<= 33 ULTIMATE.start_main_~x~4)), 40087#(and (<= 34 ULTIMATE.start_main_~x~4) (<= ULTIMATE.start_main_~x~4 34)), 40088#(and (<= ULTIMATE.start_main_~x~4 35) (<= 35 ULTIMATE.start_main_~x~4)), 40089#(and (<= 36 ULTIMATE.start_main_~x~4) (<= ULTIMATE.start_main_~x~4 36)), 40090#(and (<= ULTIMATE.start_main_~x~4 37) (<= 37 ULTIMATE.start_main_~x~4)), 40091#(and (<= 38 ULTIMATE.start_main_~x~4) (<= ULTIMATE.start_main_~x~4 38)), 40092#(and (<= ULTIMATE.start_main_~x~4 39) (<= 39 ULTIMATE.start_main_~x~4)), 40093#(and (<= ULTIMATE.start_main_~x~4 40) (<= 40 ULTIMATE.start_main_~x~4)), 40094#(and (<= ULTIMATE.start_main_~x~4 41) (<= 41 ULTIMATE.start_main_~x~4)), 40095#(and (<= ULTIMATE.start_main_~x~4 42) (<= 42 ULTIMATE.start_main_~x~4)), 40096#(and (<= ULTIMATE.start_main_~x~4 43) (<= 43 ULTIMATE.start_main_~x~4)), 40097#(and (<= 44 ULTIMATE.start_main_~x~4) (<= ULTIMATE.start_main_~x~4 44)), 40098#(and (<= 45 ULTIMATE.start_main_~x~4) (<= ULTIMATE.start_main_~x~4 45)), 40099#(and (<= ULTIMATE.start_main_~x~4 46) (<= 46 ULTIMATE.start_main_~x~4)), 40100#(and (<= 47 ULTIMATE.start_main_~x~4) (<= ULTIMATE.start_main_~x~4 47)), 40101#(and (<= 48 ULTIMATE.start_main_~x~4) (<= ULTIMATE.start_main_~x~4 48)), 40102#(and (<= 49 ULTIMATE.start_main_~x~4) (<= ULTIMATE.start_main_~x~4 49)), 40103#(and (<= ULTIMATE.start_main_~x~4 50) (<= 50 ULTIMATE.start_main_~x~4)), 40104#(and (<= 51 ULTIMATE.start_main_~x~4) (<= ULTIMATE.start_main_~x~4 51)), 40105#(and (<= ULTIMATE.start_main_~x~4 52) (<= 52 ULTIMATE.start_main_~x~4)), 40106#(and (<= 53 ULTIMATE.start_main_~x~4) (<= ULTIMATE.start_main_~x~4 53)), 40107#(and (<= ULTIMATE.start_main_~x~4 54) (<= 54 ULTIMATE.start_main_~x~4)), 40108#(and (<= 55 ULTIMATE.start_main_~x~4) (<= ULTIMATE.start_main_~x~4 55)), 40109#(and (<= 56 ULTIMATE.start_main_~x~4) (<= ULTIMATE.start_main_~x~4 56)), 40110#(and (<= 57 ULTIMATE.start_main_~x~4) (<= ULTIMATE.start_main_~x~4 57)), 40111#(and (<= 58 ULTIMATE.start_main_~x~4) (<= ULTIMATE.start_main_~x~4 58)), 40112#(and (<= ULTIMATE.start_main_~x~4 59) (<= 59 ULTIMATE.start_main_~x~4)), 40113#(and (<= 60 ULTIMATE.start_main_~x~4) (<= ULTIMATE.start_main_~x~4 60)), 40114#(and (<= 61 ULTIMATE.start_main_~x~4) (<= ULTIMATE.start_main_~x~4 61)), 40115#(and (<= ULTIMATE.start_main_~x~4 62) (<= 62 ULTIMATE.start_main_~x~4)), 40116#(and (<= 63 ULTIMATE.start_main_~x~4) (<= ULTIMATE.start_main_~x~4 63)), 40117#(and (<= ULTIMATE.start_main_~x~4 64) (<= 64 ULTIMATE.start_main_~x~4)), 40118#(and (<= 65 ULTIMATE.start_main_~x~4) (<= ULTIMATE.start_main_~x~4 65)), 40119#(and (<= 66 ULTIMATE.start_main_~x~4) (<= ULTIMATE.start_main_~x~4 66)), 40120#(and (<= 67 ULTIMATE.start_main_~x~4) (<= ULTIMATE.start_main_~x~4 67)), 40121#(and (<= ULTIMATE.start_main_~x~4 68) (<= 68 ULTIMATE.start_main_~x~4)), 40122#(and (<= 69 ULTIMATE.start_main_~x~4) (<= ULTIMATE.start_main_~x~4 69)), 40123#(and (<= ULTIMATE.start_main_~x~4 70) (<= 70 ULTIMATE.start_main_~x~4)), 40124#(and (<= 71 ULTIMATE.start_main_~x~4) (<= ULTIMATE.start_main_~x~4 71)), 40125#(and (<= 72 ULTIMATE.start_main_~x~4) (<= ULTIMATE.start_main_~x~4 72)), 40126#(and (<= ULTIMATE.start_main_~x~4 73) (<= 73 ULTIMATE.start_main_~x~4)), 40127#(and (<= 74 ULTIMATE.start_main_~x~4) (<= ULTIMATE.start_main_~x~4 74)), 40128#(and (<= ULTIMATE.start_main_~x~4 75) (<= 75 ULTIMATE.start_main_~x~4)), 40129#(and (<= ULTIMATE.start_main_~x~4 76) (<= 76 ULTIMATE.start_main_~x~4)), 40130#(and (<= ULTIMATE.start_main_~x~4 77) (<= 77 ULTIMATE.start_main_~x~4)), 40131#(and (<= ULTIMATE.start_main_~x~4 78) (<= 78 ULTIMATE.start_main_~x~4)), 40132#(and (<= 79 ULTIMATE.start_main_~x~4) (<= ULTIMATE.start_main_~x~4 79)), 40133#(and (<= ULTIMATE.start_main_~x~4 80) (<= 80 ULTIMATE.start_main_~x~4)), 40134#(and (<= ULTIMATE.start_main_~x~4 81) (<= 81 ULTIMATE.start_main_~x~4)), 40135#(and (<= ULTIMATE.start_main_~x~4 82) (<= 82 ULTIMATE.start_main_~x~4)), 40136#(and (<= 83 ULTIMATE.start_main_~x~4) (<= ULTIMATE.start_main_~x~4 83)), 40137#(and (<= ULTIMATE.start_main_~x~4 84) (<= 84 ULTIMATE.start_main_~x~4)), 40138#(and (<= 85 ULTIMATE.start_main_~x~4) (<= ULTIMATE.start_main_~x~4 85)), 40139#(and (<= 86 ULTIMATE.start_main_~x~4) (<= ULTIMATE.start_main_~x~4 86)), 40140#(and (<= ULTIMATE.start_main_~x~4 87) (<= 87 ULTIMATE.start_main_~x~4)), 40141#(and (<= 88 ULTIMATE.start_main_~x~4) (<= ULTIMATE.start_main_~x~4 88)), 40142#(and (<= ULTIMATE.start_main_~x~4 89) (<= 89 ULTIMATE.start_main_~x~4)), 40143#(and (<= ULTIMATE.start_main_~x~4 90) (<= 90 ULTIMATE.start_main_~x~4)), 40144#(and (<= ULTIMATE.start_main_~x~4 91) (<= 91 ULTIMATE.start_main_~x~4)), 40051#true, 40052#false, 40053#(and (<= ULTIMATE.start_main_~x~4 0) (<= 0 ULTIMATE.start_main_~x~4)), 40054#(and (<= ULTIMATE.start_main_~x~4 1) (<= 1 ULTIMATE.start_main_~x~4)), 40055#(and (<= 2 ULTIMATE.start_main_~x~4) (<= ULTIMATE.start_main_~x~4 2)), 40056#(and (<= 3 ULTIMATE.start_main_~x~4) (<= ULTIMATE.start_main_~x~4 3)), 40057#(and (<= ULTIMATE.start_main_~x~4 4) (<= 4 ULTIMATE.start_main_~x~4)), 40058#(and (<= ULTIMATE.start_main_~x~4 5) (<= 5 ULTIMATE.start_main_~x~4)), 40059#(and (<= 6 ULTIMATE.start_main_~x~4) (<= ULTIMATE.start_main_~x~4 6)), 40060#(and (<= ULTIMATE.start_main_~x~4 7) (<= 7 ULTIMATE.start_main_~x~4)), 40061#(and (<= ULTIMATE.start_main_~x~4 8) (<= 8 ULTIMATE.start_main_~x~4)), 40062#(and (<= 9 ULTIMATE.start_main_~x~4) (<= ULTIMATE.start_main_~x~4 9)), 40063#(and (<= ULTIMATE.start_main_~x~4 10) (<= 10 ULTIMATE.start_main_~x~4))] [2018-07-23 13:50:38,697 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 13:50:38,697 INFO L450 AbstractCegarLoop]: Interpolant automaton has 94 states [2018-07-23 13:50:38,697 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 94 interpolants. [2018-07-23 13:50:38,698 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=185, Invalid=8557, Unknown=0, NotChecked=0, Total=8742 [2018-07-23 13:50:38,698 INFO L87 Difference]: Start difference. First operand 187 states and 187 transitions. Second operand 94 states. [2018-07-23 13:50:39,344 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-07-23 13:50:39,345 INFO L93 Difference]: Finished difference Result 191 states and 191 transitions. [2018-07-23 13:50:39,345 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 94 states. [2018-07-23 13:50:39,345 INFO L78 Accepts]: Start accepts. Automaton has 94 states. Word has length 186 [2018-07-23 13:50:39,345 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-07-23 13:50:39,346 INFO L225 Difference]: With dead ends: 191 [2018-07-23 13:50:39,346 INFO L226 Difference]: Without dead ends: 189 [2018-07-23 13:50:39,347 INFO L575 BasicCegarLoop]: 0 DeclaredPredicates, 93 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 92 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=185, Invalid=8557, Unknown=0, NotChecked=0, Total=8742 [2018-07-23 13:50:39,347 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 189 states. [2018-07-23 13:50:39,354 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 189 to 189. [2018-07-23 13:50:39,354 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 189 states. [2018-07-23 13:50:39,354 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 189 states to 189 states and 189 transitions. [2018-07-23 13:50:39,354 INFO L78 Accepts]: Start accepts. Automaton has 189 states and 189 transitions. Word has length 186 [2018-07-23 13:50:39,355 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-07-23 13:50:39,355 INFO L471 AbstractCegarLoop]: Abstraction has 189 states and 189 transitions. [2018-07-23 13:50:39,355 INFO L472 AbstractCegarLoop]: Interpolant automaton has 94 states. [2018-07-23 13:50:39,355 INFO L276 IsEmpty]: Start isEmpty. Operand 189 states and 189 transitions. [2018-07-23 13:50:39,355 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 189 [2018-07-23 13:50:39,356 INFO L349 BasicCegarLoop]: Found error trace [2018-07-23 13:50:39,356 INFO L357 BasicCegarLoop]: trace histogram [93, 92, 1, 1, 1] [2018-07-23 13:50:39,356 INFO L414 AbstractCegarLoop]: === Iteration 93 === [ULTIMATE.startErr0AssertViolationASSERT]=== [2018-07-23 13:50:39,356 INFO L82 PathProgramCache]: Analyzing trace with hash -685070945, now seen corresponding path program 92 times [2018-07-23 13:50:39,356 INFO L69 tionRefinementEngine]: Using refinement strategy FixedRefinementStrategy [2018-07-23 13:50:39,468 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-07-23 13:50:40,054 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 13:50:40,054 INFO L309 seRefinementStrategy]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2018-07-23 13:50:40,055 INFO L324 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [94] total 94 [2018-07-23 13:50:40,055 INFO L142 lantAutomatonBuilder]: Constructing canonical interpolant automaton, with selfloop in false state [2018-07-23 13:50:40,055 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-07-23 13:50:40,056 INFO L185 omatonBuilderFactory]: Interpolants [40960#(and (<= 53 ULTIMATE.start_main_~x~4) (<= ULTIMATE.start_main_~x~4 53)), 40961#(and (<= ULTIMATE.start_main_~x~4 54) (<= 54 ULTIMATE.start_main_~x~4)), 40962#(and (<= 55 ULTIMATE.start_main_~x~4) (<= ULTIMATE.start_main_~x~4 55)), 40963#(and (<= 56 ULTIMATE.start_main_~x~4) (<= ULTIMATE.start_main_~x~4 56)), 40964#(and (<= 57 ULTIMATE.start_main_~x~4) (<= ULTIMATE.start_main_~x~4 57)), 40965#(and (<= 58 ULTIMATE.start_main_~x~4) (<= ULTIMATE.start_main_~x~4 58)), 40966#(and (<= ULTIMATE.start_main_~x~4 59) (<= 59 ULTIMATE.start_main_~x~4)), 40967#(and (<= 60 ULTIMATE.start_main_~x~4) (<= ULTIMATE.start_main_~x~4 60)), 40968#(and (<= 61 ULTIMATE.start_main_~x~4) (<= ULTIMATE.start_main_~x~4 61)), 40969#(and (<= ULTIMATE.start_main_~x~4 62) (<= 62 ULTIMATE.start_main_~x~4)), 40970#(and (<= 63 ULTIMATE.start_main_~x~4) (<= ULTIMATE.start_main_~x~4 63)), 40971#(and (<= ULTIMATE.start_main_~x~4 64) (<= 64 ULTIMATE.start_main_~x~4)), 40972#(and (<= 65 ULTIMATE.start_main_~x~4) (<= ULTIMATE.start_main_~x~4 65)), 40973#(and (<= 66 ULTIMATE.start_main_~x~4) (<= ULTIMATE.start_main_~x~4 66)), 40974#(and (<= 67 ULTIMATE.start_main_~x~4) (<= ULTIMATE.start_main_~x~4 67)), 40975#(and (<= ULTIMATE.start_main_~x~4 68) (<= 68 ULTIMATE.start_main_~x~4)), 40976#(and (<= 69 ULTIMATE.start_main_~x~4) (<= ULTIMATE.start_main_~x~4 69)), 40977#(and (<= ULTIMATE.start_main_~x~4 70) (<= 70 ULTIMATE.start_main_~x~4)), 40978#(and (<= 71 ULTIMATE.start_main_~x~4) (<= ULTIMATE.start_main_~x~4 71)), 40979#(and (<= 72 ULTIMATE.start_main_~x~4) (<= ULTIMATE.start_main_~x~4 72)), 40980#(and (<= ULTIMATE.start_main_~x~4 73) (<= 73 ULTIMATE.start_main_~x~4)), 40981#(and (<= 74 ULTIMATE.start_main_~x~4) (<= ULTIMATE.start_main_~x~4 74)), 40982#(and (<= ULTIMATE.start_main_~x~4 75) (<= 75 ULTIMATE.start_main_~x~4)), 40983#(and (<= ULTIMATE.start_main_~x~4 76) (<= 76 ULTIMATE.start_main_~x~4)), 40984#(and (<= ULTIMATE.start_main_~x~4 77) (<= 77 ULTIMATE.start_main_~x~4)), 40985#(and (<= ULTIMATE.start_main_~x~4 78) (<= 78 ULTIMATE.start_main_~x~4)), 40986#(and (<= 79 ULTIMATE.start_main_~x~4) (<= ULTIMATE.start_main_~x~4 79)), 40987#(and (<= ULTIMATE.start_main_~x~4 80) (<= 80 ULTIMATE.start_main_~x~4)), 40988#(and (<= ULTIMATE.start_main_~x~4 81) (<= 81 ULTIMATE.start_main_~x~4)), 40989#(and (<= ULTIMATE.start_main_~x~4 82) (<= 82 ULTIMATE.start_main_~x~4)), 40990#(and (<= 83 ULTIMATE.start_main_~x~4) (<= ULTIMATE.start_main_~x~4 83)), 40991#(and (<= ULTIMATE.start_main_~x~4 84) (<= 84 ULTIMATE.start_main_~x~4)), 40992#(and (<= 85 ULTIMATE.start_main_~x~4) (<= ULTIMATE.start_main_~x~4 85)), 40993#(and (<= 86 ULTIMATE.start_main_~x~4) (<= ULTIMATE.start_main_~x~4 86)), 40994#(and (<= ULTIMATE.start_main_~x~4 87) (<= 87 ULTIMATE.start_main_~x~4)), 40995#(and (<= 88 ULTIMATE.start_main_~x~4) (<= ULTIMATE.start_main_~x~4 88)), 40996#(and (<= ULTIMATE.start_main_~x~4 89) (<= 89 ULTIMATE.start_main_~x~4)), 40997#(and (<= ULTIMATE.start_main_~x~4 90) (<= 90 ULTIMATE.start_main_~x~4)), 40998#(and (<= ULTIMATE.start_main_~x~4 91) (<= 91 ULTIMATE.start_main_~x~4)), 40999#(and (<= ULTIMATE.start_main_~x~4 92) (<= 92 ULTIMATE.start_main_~x~4)), 40905#true, 40906#false, 40907#(and (<= ULTIMATE.start_main_~x~4 0) (<= 0 ULTIMATE.start_main_~x~4)), 40908#(and (<= ULTIMATE.start_main_~x~4 1) (<= 1 ULTIMATE.start_main_~x~4)), 40909#(and (<= 2 ULTIMATE.start_main_~x~4) (<= ULTIMATE.start_main_~x~4 2)), 40910#(and (<= 3 ULTIMATE.start_main_~x~4) (<= ULTIMATE.start_main_~x~4 3)), 40911#(and (<= ULTIMATE.start_main_~x~4 4) (<= 4 ULTIMATE.start_main_~x~4)), 40912#(and (<= ULTIMATE.start_main_~x~4 5) (<= 5 ULTIMATE.start_main_~x~4)), 40913#(and (<= 6 ULTIMATE.start_main_~x~4) (<= ULTIMATE.start_main_~x~4 6)), 40914#(and (<= ULTIMATE.start_main_~x~4 7) (<= 7 ULTIMATE.start_main_~x~4)), 40915#(and (<= ULTIMATE.start_main_~x~4 8) (<= 8 ULTIMATE.start_main_~x~4)), 40916#(and (<= 9 ULTIMATE.start_main_~x~4) (<= ULTIMATE.start_main_~x~4 9)), 40917#(and (<= ULTIMATE.start_main_~x~4 10) (<= 10 ULTIMATE.start_main_~x~4)), 40918#(and (<= ULTIMATE.start_main_~x~4 11) (<= 11 ULTIMATE.start_main_~x~4)), 40919#(and (<= 12 ULTIMATE.start_main_~x~4) (<= ULTIMATE.start_main_~x~4 12)), 40920#(and (<= ULTIMATE.start_main_~x~4 13) (<= 13 ULTIMATE.start_main_~x~4)), 40921#(and (<= 14 ULTIMATE.start_main_~x~4) (<= ULTIMATE.start_main_~x~4 14)), 40922#(and (<= 15 ULTIMATE.start_main_~x~4) (<= ULTIMATE.start_main_~x~4 15)), 40923#(and (<= ULTIMATE.start_main_~x~4 16) (<= 16 ULTIMATE.start_main_~x~4)), 40924#(and (<= ULTIMATE.start_main_~x~4 17) (<= 17 ULTIMATE.start_main_~x~4)), 40925#(and (<= 18 ULTIMATE.start_main_~x~4) (<= ULTIMATE.start_main_~x~4 18)), 40926#(and (<= 19 ULTIMATE.start_main_~x~4) (<= ULTIMATE.start_main_~x~4 19)), 40927#(and (<= 20 ULTIMATE.start_main_~x~4) (<= ULTIMATE.start_main_~x~4 20)), 40928#(and (<= ULTIMATE.start_main_~x~4 21) (<= 21 ULTIMATE.start_main_~x~4)), 40929#(and (<= ULTIMATE.start_main_~x~4 22) (<= 22 ULTIMATE.start_main_~x~4)), 40930#(and (<= ULTIMATE.start_main_~x~4 23) (<= 23 ULTIMATE.start_main_~x~4)), 40931#(and (<= ULTIMATE.start_main_~x~4 24) (<= 24 ULTIMATE.start_main_~x~4)), 40932#(and (<= ULTIMATE.start_main_~x~4 25) (<= 25 ULTIMATE.start_main_~x~4)), 40933#(and (<= ULTIMATE.start_main_~x~4 26) (<= 26 ULTIMATE.start_main_~x~4)), 40934#(and (<= ULTIMATE.start_main_~x~4 27) (<= 27 ULTIMATE.start_main_~x~4)), 40935#(and (<= ULTIMATE.start_main_~x~4 28) (<= 28 ULTIMATE.start_main_~x~4)), 40936#(and (<= 29 ULTIMATE.start_main_~x~4) (<= ULTIMATE.start_main_~x~4 29)), 40937#(and (<= ULTIMATE.start_main_~x~4 30) (<= 30 ULTIMATE.start_main_~x~4)), 40938#(and (<= ULTIMATE.start_main_~x~4 31) (<= 31 ULTIMATE.start_main_~x~4)), 40939#(and (<= ULTIMATE.start_main_~x~4 32) (<= 32 ULTIMATE.start_main_~x~4)), 40940#(and (<= ULTIMATE.start_main_~x~4 33) (<= 33 ULTIMATE.start_main_~x~4)), 40941#(and (<= 34 ULTIMATE.start_main_~x~4) (<= ULTIMATE.start_main_~x~4 34)), 40942#(and (<= ULTIMATE.start_main_~x~4 35) (<= 35 ULTIMATE.start_main_~x~4)), 40943#(and (<= 36 ULTIMATE.start_main_~x~4) (<= ULTIMATE.start_main_~x~4 36)), 40944#(and (<= ULTIMATE.start_main_~x~4 37) (<= 37 ULTIMATE.start_main_~x~4)), 40945#(and (<= 38 ULTIMATE.start_main_~x~4) (<= ULTIMATE.start_main_~x~4 38)), 40946#(and (<= ULTIMATE.start_main_~x~4 39) (<= 39 ULTIMATE.start_main_~x~4)), 40947#(and (<= ULTIMATE.start_main_~x~4 40) (<= 40 ULTIMATE.start_main_~x~4)), 40948#(and (<= ULTIMATE.start_main_~x~4 41) (<= 41 ULTIMATE.start_main_~x~4)), 40949#(and (<= ULTIMATE.start_main_~x~4 42) (<= 42 ULTIMATE.start_main_~x~4)), 40950#(and (<= ULTIMATE.start_main_~x~4 43) (<= 43 ULTIMATE.start_main_~x~4)), 40951#(and (<= 44 ULTIMATE.start_main_~x~4) (<= ULTIMATE.start_main_~x~4 44)), 40952#(and (<= 45 ULTIMATE.start_main_~x~4) (<= ULTIMATE.start_main_~x~4 45)), 40953#(and (<= ULTIMATE.start_main_~x~4 46) (<= 46 ULTIMATE.start_main_~x~4)), 40954#(and (<= 47 ULTIMATE.start_main_~x~4) (<= ULTIMATE.start_main_~x~4 47)), 40955#(and (<= 48 ULTIMATE.start_main_~x~4) (<= ULTIMATE.start_main_~x~4 48)), 40956#(and (<= 49 ULTIMATE.start_main_~x~4) (<= ULTIMATE.start_main_~x~4 49)), 40957#(and (<= ULTIMATE.start_main_~x~4 50) (<= 50 ULTIMATE.start_main_~x~4)), 40958#(and (<= 51 ULTIMATE.start_main_~x~4) (<= ULTIMATE.start_main_~x~4 51)), 40959#(and (<= ULTIMATE.start_main_~x~4 52) (<= 52 ULTIMATE.start_main_~x~4))] [2018-07-23 13:50:40,056 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 13:50:40,057 INFO L450 AbstractCegarLoop]: Interpolant automaton has 95 states [2018-07-23 13:50:40,057 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 95 interpolants. [2018-07-23 13:50:40,057 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=187, Invalid=8743, Unknown=0, NotChecked=0, Total=8930 [2018-07-23 13:50:40,058 INFO L87 Difference]: Start difference. First operand 189 states and 189 transitions. Second operand 95 states. [2018-07-23 13:50:40,773 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-07-23 13:50:40,774 INFO L93 Difference]: Finished difference Result 193 states and 193 transitions. [2018-07-23 13:50:40,774 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 95 states. [2018-07-23 13:50:40,774 INFO L78 Accepts]: Start accepts. Automaton has 95 states. Word has length 188 [2018-07-23 13:50:40,774 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-07-23 13:50:40,775 INFO L225 Difference]: With dead ends: 193 [2018-07-23 13:50:40,775 INFO L226 Difference]: Without dead ends: 191 [2018-07-23 13:50:40,776 INFO L575 BasicCegarLoop]: 0 DeclaredPredicates, 94 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 93 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.4s TimeCoverageRelationStatistics Valid=187, Invalid=8743, Unknown=0, NotChecked=0, Total=8930 [2018-07-23 13:50:40,776 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 191 states. [2018-07-23 13:50:40,782 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 191 to 191. [2018-07-23 13:50:40,782 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 191 states. [2018-07-23 13:50:40,782 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 191 states to 191 states and 191 transitions. [2018-07-23 13:50:40,783 INFO L78 Accepts]: Start accepts. Automaton has 191 states and 191 transitions. Word has length 188 [2018-07-23 13:50:40,783 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-07-23 13:50:40,783 INFO L471 AbstractCegarLoop]: Abstraction has 191 states and 191 transitions. [2018-07-23 13:50:40,783 INFO L472 AbstractCegarLoop]: Interpolant automaton has 95 states. [2018-07-23 13:50:40,783 INFO L276 IsEmpty]: Start isEmpty. Operand 191 states and 191 transitions. [2018-07-23 13:50:40,784 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 191 [2018-07-23 13:50:40,784 INFO L349 BasicCegarLoop]: Found error trace [2018-07-23 13:50:40,784 INFO L357 BasicCegarLoop]: trace histogram [94, 93, 1, 1, 1] [2018-07-23 13:50:40,784 INFO L414 AbstractCegarLoop]: === Iteration 94 === [ULTIMATE.startErr0AssertViolationASSERT]=== [2018-07-23 13:50:40,785 INFO L82 PathProgramCache]: Analyzing trace with hash -1223129767, now seen corresponding path program 93 times [2018-07-23 13:50:40,785 INFO L69 tionRefinementEngine]: Using refinement strategy FixedRefinementStrategy [2018-07-23 13:50:40,885 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-07-23 13:50:41,375 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 13:50:41,375 INFO L309 seRefinementStrategy]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2018-07-23 13:50:41,375 INFO L324 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [95] total 95 [2018-07-23 13:50:41,375 INFO L142 lantAutomatonBuilder]: Constructing canonical interpolant automaton, with selfloop in false state [2018-07-23 13:50:41,376 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-07-23 13:50:41,376 INFO L185 omatonBuilderFactory]: Interpolants [41856#(and (<= 86 ULTIMATE.start_main_~x~4) (<= ULTIMATE.start_main_~x~4 86)), 41857#(and (<= ULTIMATE.start_main_~x~4 87) (<= 87 ULTIMATE.start_main_~x~4)), 41858#(and (<= 88 ULTIMATE.start_main_~x~4) (<= ULTIMATE.start_main_~x~4 88)), 41859#(and (<= ULTIMATE.start_main_~x~4 89) (<= 89 ULTIMATE.start_main_~x~4)), 41860#(and (<= ULTIMATE.start_main_~x~4 90) (<= 90 ULTIMATE.start_main_~x~4)), 41861#(and (<= ULTIMATE.start_main_~x~4 91) (<= 91 ULTIMATE.start_main_~x~4)), 41862#(and (<= ULTIMATE.start_main_~x~4 92) (<= 92 ULTIMATE.start_main_~x~4)), 41863#(and (<= ULTIMATE.start_main_~x~4 93) (<= 93 ULTIMATE.start_main_~x~4)), 41768#true, 41769#false, 41770#(and (<= ULTIMATE.start_main_~x~4 0) (<= 0 ULTIMATE.start_main_~x~4)), 41771#(and (<= ULTIMATE.start_main_~x~4 1) (<= 1 ULTIMATE.start_main_~x~4)), 41772#(and (<= 2 ULTIMATE.start_main_~x~4) (<= ULTIMATE.start_main_~x~4 2)), 41773#(and (<= 3 ULTIMATE.start_main_~x~4) (<= ULTIMATE.start_main_~x~4 3)), 41774#(and (<= ULTIMATE.start_main_~x~4 4) (<= 4 ULTIMATE.start_main_~x~4)), 41775#(and (<= ULTIMATE.start_main_~x~4 5) (<= 5 ULTIMATE.start_main_~x~4)), 41776#(and (<= 6 ULTIMATE.start_main_~x~4) (<= ULTIMATE.start_main_~x~4 6)), 41777#(and (<= ULTIMATE.start_main_~x~4 7) (<= 7 ULTIMATE.start_main_~x~4)), 41778#(and (<= ULTIMATE.start_main_~x~4 8) (<= 8 ULTIMATE.start_main_~x~4)), 41779#(and (<= 9 ULTIMATE.start_main_~x~4) (<= ULTIMATE.start_main_~x~4 9)), 41780#(and (<= ULTIMATE.start_main_~x~4 10) (<= 10 ULTIMATE.start_main_~x~4)), 41781#(and (<= ULTIMATE.start_main_~x~4 11) (<= 11 ULTIMATE.start_main_~x~4)), 41782#(and (<= 12 ULTIMATE.start_main_~x~4) (<= ULTIMATE.start_main_~x~4 12)), 41783#(and (<= ULTIMATE.start_main_~x~4 13) (<= 13 ULTIMATE.start_main_~x~4)), 41784#(and (<= 14 ULTIMATE.start_main_~x~4) (<= ULTIMATE.start_main_~x~4 14)), 41785#(and (<= 15 ULTIMATE.start_main_~x~4) (<= ULTIMATE.start_main_~x~4 15)), 41786#(and (<= ULTIMATE.start_main_~x~4 16) (<= 16 ULTIMATE.start_main_~x~4)), 41787#(and (<= ULTIMATE.start_main_~x~4 17) (<= 17 ULTIMATE.start_main_~x~4)), 41788#(and (<= 18 ULTIMATE.start_main_~x~4) (<= ULTIMATE.start_main_~x~4 18)), 41789#(and (<= 19 ULTIMATE.start_main_~x~4) (<= ULTIMATE.start_main_~x~4 19)), 41790#(and (<= 20 ULTIMATE.start_main_~x~4) (<= ULTIMATE.start_main_~x~4 20)), 41791#(and (<= ULTIMATE.start_main_~x~4 21) (<= 21 ULTIMATE.start_main_~x~4)), 41792#(and (<= ULTIMATE.start_main_~x~4 22) (<= 22 ULTIMATE.start_main_~x~4)), 41793#(and (<= ULTIMATE.start_main_~x~4 23) (<= 23 ULTIMATE.start_main_~x~4)), 41794#(and (<= ULTIMATE.start_main_~x~4 24) (<= 24 ULTIMATE.start_main_~x~4)), 41795#(and (<= ULTIMATE.start_main_~x~4 25) (<= 25 ULTIMATE.start_main_~x~4)), 41796#(and (<= ULTIMATE.start_main_~x~4 26) (<= 26 ULTIMATE.start_main_~x~4)), 41797#(and (<= ULTIMATE.start_main_~x~4 27) (<= 27 ULTIMATE.start_main_~x~4)), 41798#(and (<= ULTIMATE.start_main_~x~4 28) (<= 28 ULTIMATE.start_main_~x~4)), 41799#(and (<= 29 ULTIMATE.start_main_~x~4) (<= ULTIMATE.start_main_~x~4 29)), 41800#(and (<= ULTIMATE.start_main_~x~4 30) (<= 30 ULTIMATE.start_main_~x~4)), 41801#(and (<= ULTIMATE.start_main_~x~4 31) (<= 31 ULTIMATE.start_main_~x~4)), 41802#(and (<= ULTIMATE.start_main_~x~4 32) (<= 32 ULTIMATE.start_main_~x~4)), 41803#(and (<= ULTIMATE.start_main_~x~4 33) (<= 33 ULTIMATE.start_main_~x~4)), 41804#(and (<= 34 ULTIMATE.start_main_~x~4) (<= ULTIMATE.start_main_~x~4 34)), 41805#(and (<= ULTIMATE.start_main_~x~4 35) (<= 35 ULTIMATE.start_main_~x~4)), 41806#(and (<= 36 ULTIMATE.start_main_~x~4) (<= ULTIMATE.start_main_~x~4 36)), 41807#(and (<= ULTIMATE.start_main_~x~4 37) (<= 37 ULTIMATE.start_main_~x~4)), 41808#(and (<= 38 ULTIMATE.start_main_~x~4) (<= ULTIMATE.start_main_~x~4 38)), 41809#(and (<= ULTIMATE.start_main_~x~4 39) (<= 39 ULTIMATE.start_main_~x~4)), 41810#(and (<= ULTIMATE.start_main_~x~4 40) (<= 40 ULTIMATE.start_main_~x~4)), 41811#(and (<= ULTIMATE.start_main_~x~4 41) (<= 41 ULTIMATE.start_main_~x~4)), 41812#(and (<= ULTIMATE.start_main_~x~4 42) (<= 42 ULTIMATE.start_main_~x~4)), 41813#(and (<= ULTIMATE.start_main_~x~4 43) (<= 43 ULTIMATE.start_main_~x~4)), 41814#(and (<= 44 ULTIMATE.start_main_~x~4) (<= ULTIMATE.start_main_~x~4 44)), 41815#(and (<= 45 ULTIMATE.start_main_~x~4) (<= ULTIMATE.start_main_~x~4 45)), 41816#(and (<= ULTIMATE.start_main_~x~4 46) (<= 46 ULTIMATE.start_main_~x~4)), 41817#(and (<= 47 ULTIMATE.start_main_~x~4) (<= ULTIMATE.start_main_~x~4 47)), 41818#(and (<= 48 ULTIMATE.start_main_~x~4) (<= ULTIMATE.start_main_~x~4 48)), 41819#(and (<= 49 ULTIMATE.start_main_~x~4) (<= ULTIMATE.start_main_~x~4 49)), 41820#(and (<= ULTIMATE.start_main_~x~4 50) (<= 50 ULTIMATE.start_main_~x~4)), 41821#(and (<= 51 ULTIMATE.start_main_~x~4) (<= ULTIMATE.start_main_~x~4 51)), 41822#(and (<= ULTIMATE.start_main_~x~4 52) (<= 52 ULTIMATE.start_main_~x~4)), 41823#(and (<= 53 ULTIMATE.start_main_~x~4) (<= ULTIMATE.start_main_~x~4 53)), 41824#(and (<= ULTIMATE.start_main_~x~4 54) (<= 54 ULTIMATE.start_main_~x~4)), 41825#(and (<= 55 ULTIMATE.start_main_~x~4) (<= ULTIMATE.start_main_~x~4 55)), 41826#(and (<= 56 ULTIMATE.start_main_~x~4) (<= ULTIMATE.start_main_~x~4 56)), 41827#(and (<= 57 ULTIMATE.start_main_~x~4) (<= ULTIMATE.start_main_~x~4 57)), 41828#(and (<= 58 ULTIMATE.start_main_~x~4) (<= ULTIMATE.start_main_~x~4 58)), 41829#(and (<= ULTIMATE.start_main_~x~4 59) (<= 59 ULTIMATE.start_main_~x~4)), 41830#(and (<= 60 ULTIMATE.start_main_~x~4) (<= ULTIMATE.start_main_~x~4 60)), 41831#(and (<= 61 ULTIMATE.start_main_~x~4) (<= ULTIMATE.start_main_~x~4 61)), 41832#(and (<= ULTIMATE.start_main_~x~4 62) (<= 62 ULTIMATE.start_main_~x~4)), 41833#(and (<= 63 ULTIMATE.start_main_~x~4) (<= ULTIMATE.start_main_~x~4 63)), 41834#(and (<= ULTIMATE.start_main_~x~4 64) (<= 64 ULTIMATE.start_main_~x~4)), 41835#(and (<= 65 ULTIMATE.start_main_~x~4) (<= ULTIMATE.start_main_~x~4 65)), 41836#(and (<= 66 ULTIMATE.start_main_~x~4) (<= ULTIMATE.start_main_~x~4 66)), 41837#(and (<= 67 ULTIMATE.start_main_~x~4) (<= ULTIMATE.start_main_~x~4 67)), 41838#(and (<= ULTIMATE.start_main_~x~4 68) (<= 68 ULTIMATE.start_main_~x~4)), 41839#(and (<= 69 ULTIMATE.start_main_~x~4) (<= ULTIMATE.start_main_~x~4 69)), 41840#(and (<= ULTIMATE.start_main_~x~4 70) (<= 70 ULTIMATE.start_main_~x~4)), 41841#(and (<= 71 ULTIMATE.start_main_~x~4) (<= ULTIMATE.start_main_~x~4 71)), 41842#(and (<= 72 ULTIMATE.start_main_~x~4) (<= ULTIMATE.start_main_~x~4 72)), 41843#(and (<= ULTIMATE.start_main_~x~4 73) (<= 73 ULTIMATE.start_main_~x~4)), 41844#(and (<= 74 ULTIMATE.start_main_~x~4) (<= ULTIMATE.start_main_~x~4 74)), 41845#(and (<= ULTIMATE.start_main_~x~4 75) (<= 75 ULTIMATE.start_main_~x~4)), 41846#(and (<= ULTIMATE.start_main_~x~4 76) (<= 76 ULTIMATE.start_main_~x~4)), 41847#(and (<= ULTIMATE.start_main_~x~4 77) (<= 77 ULTIMATE.start_main_~x~4)), 41848#(and (<= ULTIMATE.start_main_~x~4 78) (<= 78 ULTIMATE.start_main_~x~4)), 41849#(and (<= 79 ULTIMATE.start_main_~x~4) (<= ULTIMATE.start_main_~x~4 79)), 41850#(and (<= ULTIMATE.start_main_~x~4 80) (<= 80 ULTIMATE.start_main_~x~4)), 41851#(and (<= ULTIMATE.start_main_~x~4 81) (<= 81 ULTIMATE.start_main_~x~4)), 41852#(and (<= ULTIMATE.start_main_~x~4 82) (<= 82 ULTIMATE.start_main_~x~4)), 41853#(and (<= 83 ULTIMATE.start_main_~x~4) (<= ULTIMATE.start_main_~x~4 83)), 41854#(and (<= ULTIMATE.start_main_~x~4 84) (<= 84 ULTIMATE.start_main_~x~4)), 41855#(and (<= 85 ULTIMATE.start_main_~x~4) (<= ULTIMATE.start_main_~x~4 85))] [2018-07-23 13:50:41,377 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 13:50:41,377 INFO L450 AbstractCegarLoop]: Interpolant automaton has 96 states [2018-07-23 13:50:41,377 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 96 interpolants. [2018-07-23 13:50:41,377 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=189, Invalid=8931, Unknown=0, NotChecked=0, Total=9120 [2018-07-23 13:50:41,378 INFO L87 Difference]: Start difference. First operand 191 states and 191 transitions. Second operand 96 states. [2018-07-23 13:50:42,009 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-07-23 13:50:42,009 INFO L93 Difference]: Finished difference Result 195 states and 195 transitions. [2018-07-23 13:50:42,009 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 96 states. [2018-07-23 13:50:42,009 INFO L78 Accepts]: Start accepts. Automaton has 96 states. Word has length 190 [2018-07-23 13:50:42,009 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-07-23 13:50:42,010 INFO L225 Difference]: With dead ends: 195 [2018-07-23 13:50:42,010 INFO L226 Difference]: Without dead ends: 193 [2018-07-23 13:50:42,011 INFO L575 BasicCegarLoop]: 0 DeclaredPredicates, 95 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 94 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=189, Invalid=8931, Unknown=0, NotChecked=0, Total=9120 [2018-07-23 13:50:42,011 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 193 states. [2018-07-23 13:50:42,017 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 193 to 193. [2018-07-23 13:50:42,017 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 193 states. [2018-07-23 13:50:42,018 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 193 states to 193 states and 193 transitions. [2018-07-23 13:50:42,018 INFO L78 Accepts]: Start accepts. Automaton has 193 states and 193 transitions. Word has length 190 [2018-07-23 13:50:42,018 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-07-23 13:50:42,018 INFO L471 AbstractCegarLoop]: Abstraction has 193 states and 193 transitions. [2018-07-23 13:50:42,018 INFO L472 AbstractCegarLoop]: Interpolant automaton has 96 states. [2018-07-23 13:50:42,018 INFO L276 IsEmpty]: Start isEmpty. Operand 193 states and 193 transitions. [2018-07-23 13:50:42,019 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 193 [2018-07-23 13:50:42,019 INFO L349 BasicCegarLoop]: Found error trace [2018-07-23 13:50:42,020 INFO L357 BasicCegarLoop]: trace histogram [95, 94, 1, 1, 1] [2018-07-23 13:50:42,020 INFO L414 AbstractCegarLoop]: === Iteration 95 === [ULTIMATE.startErr0AssertViolationASSERT]=== [2018-07-23 13:50:42,020 INFO L82 PathProgramCache]: Analyzing trace with hash 1393385107, now seen corresponding path program 94 times [2018-07-23 13:50:42,020 INFO L69 tionRefinementEngine]: Using refinement strategy FixedRefinementStrategy [2018-07-23 13:50:42,127 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-07-23 13:50:42,605 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 13:50:42,605 INFO L309 seRefinementStrategy]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2018-07-23 13:50:42,605 INFO L324 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [96] total 96 [2018-07-23 13:50:42,605 INFO L142 lantAutomatonBuilder]: Constructing canonical interpolant automaton, with selfloop in false state [2018-07-23 13:50:42,606 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-07-23 13:50:42,606 INFO L185 omatonBuilderFactory]: Interpolants [42640#true, 42641#false, 42642#(and (<= ULTIMATE.start_main_~x~4 0) (<= 0 ULTIMATE.start_main_~x~4)), 42643#(and (<= ULTIMATE.start_main_~x~4 1) (<= 1 ULTIMATE.start_main_~x~4)), 42644#(and (<= 2 ULTIMATE.start_main_~x~4) (<= ULTIMATE.start_main_~x~4 2)), 42645#(and (<= 3 ULTIMATE.start_main_~x~4) (<= ULTIMATE.start_main_~x~4 3)), 42646#(and (<= ULTIMATE.start_main_~x~4 4) (<= 4 ULTIMATE.start_main_~x~4)), 42647#(and (<= ULTIMATE.start_main_~x~4 5) (<= 5 ULTIMATE.start_main_~x~4)), 42648#(and (<= 6 ULTIMATE.start_main_~x~4) (<= ULTIMATE.start_main_~x~4 6)), 42649#(and (<= ULTIMATE.start_main_~x~4 7) (<= 7 ULTIMATE.start_main_~x~4)), 42650#(and (<= ULTIMATE.start_main_~x~4 8) (<= 8 ULTIMATE.start_main_~x~4)), 42651#(and (<= 9 ULTIMATE.start_main_~x~4) (<= ULTIMATE.start_main_~x~4 9)), 42652#(and (<= ULTIMATE.start_main_~x~4 10) (<= 10 ULTIMATE.start_main_~x~4)), 42653#(and (<= ULTIMATE.start_main_~x~4 11) (<= 11 ULTIMATE.start_main_~x~4)), 42654#(and (<= 12 ULTIMATE.start_main_~x~4) (<= ULTIMATE.start_main_~x~4 12)), 42655#(and (<= ULTIMATE.start_main_~x~4 13) (<= 13 ULTIMATE.start_main_~x~4)), 42656#(and (<= 14 ULTIMATE.start_main_~x~4) (<= ULTIMATE.start_main_~x~4 14)), 42657#(and (<= 15 ULTIMATE.start_main_~x~4) (<= ULTIMATE.start_main_~x~4 15)), 42658#(and (<= ULTIMATE.start_main_~x~4 16) (<= 16 ULTIMATE.start_main_~x~4)), 42659#(and (<= ULTIMATE.start_main_~x~4 17) (<= 17 ULTIMATE.start_main_~x~4)), 42660#(and (<= 18 ULTIMATE.start_main_~x~4) (<= ULTIMATE.start_main_~x~4 18)), 42661#(and (<= 19 ULTIMATE.start_main_~x~4) (<= ULTIMATE.start_main_~x~4 19)), 42662#(and (<= 20 ULTIMATE.start_main_~x~4) (<= ULTIMATE.start_main_~x~4 20)), 42663#(and (<= ULTIMATE.start_main_~x~4 21) (<= 21 ULTIMATE.start_main_~x~4)), 42664#(and (<= ULTIMATE.start_main_~x~4 22) (<= 22 ULTIMATE.start_main_~x~4)), 42665#(and (<= ULTIMATE.start_main_~x~4 23) (<= 23 ULTIMATE.start_main_~x~4)), 42666#(and (<= ULTIMATE.start_main_~x~4 24) (<= 24 ULTIMATE.start_main_~x~4)), 42667#(and (<= ULTIMATE.start_main_~x~4 25) (<= 25 ULTIMATE.start_main_~x~4)), 42668#(and (<= ULTIMATE.start_main_~x~4 26) (<= 26 ULTIMATE.start_main_~x~4)), 42669#(and (<= ULTIMATE.start_main_~x~4 27) (<= 27 ULTIMATE.start_main_~x~4)), 42670#(and (<= ULTIMATE.start_main_~x~4 28) (<= 28 ULTIMATE.start_main_~x~4)), 42671#(and (<= 29 ULTIMATE.start_main_~x~4) (<= ULTIMATE.start_main_~x~4 29)), 42672#(and (<= ULTIMATE.start_main_~x~4 30) (<= 30 ULTIMATE.start_main_~x~4)), 42673#(and (<= ULTIMATE.start_main_~x~4 31) (<= 31 ULTIMATE.start_main_~x~4)), 42674#(and (<= ULTIMATE.start_main_~x~4 32) (<= 32 ULTIMATE.start_main_~x~4)), 42675#(and (<= ULTIMATE.start_main_~x~4 33) (<= 33 ULTIMATE.start_main_~x~4)), 42676#(and (<= 34 ULTIMATE.start_main_~x~4) (<= ULTIMATE.start_main_~x~4 34)), 42677#(and (<= ULTIMATE.start_main_~x~4 35) (<= 35 ULTIMATE.start_main_~x~4)), 42678#(and (<= 36 ULTIMATE.start_main_~x~4) (<= ULTIMATE.start_main_~x~4 36)), 42679#(and (<= ULTIMATE.start_main_~x~4 37) (<= 37 ULTIMATE.start_main_~x~4)), 42680#(and (<= 38 ULTIMATE.start_main_~x~4) (<= ULTIMATE.start_main_~x~4 38)), 42681#(and (<= ULTIMATE.start_main_~x~4 39) (<= 39 ULTIMATE.start_main_~x~4)), 42682#(and (<= ULTIMATE.start_main_~x~4 40) (<= 40 ULTIMATE.start_main_~x~4)), 42683#(and (<= ULTIMATE.start_main_~x~4 41) (<= 41 ULTIMATE.start_main_~x~4)), 42684#(and (<= ULTIMATE.start_main_~x~4 42) (<= 42 ULTIMATE.start_main_~x~4)), 42685#(and (<= ULTIMATE.start_main_~x~4 43) (<= 43 ULTIMATE.start_main_~x~4)), 42686#(and (<= 44 ULTIMATE.start_main_~x~4) (<= ULTIMATE.start_main_~x~4 44)), 42687#(and (<= 45 ULTIMATE.start_main_~x~4) (<= ULTIMATE.start_main_~x~4 45)), 42688#(and (<= ULTIMATE.start_main_~x~4 46) (<= 46 ULTIMATE.start_main_~x~4)), 42689#(and (<= 47 ULTIMATE.start_main_~x~4) (<= ULTIMATE.start_main_~x~4 47)), 42690#(and (<= 48 ULTIMATE.start_main_~x~4) (<= ULTIMATE.start_main_~x~4 48)), 42691#(and (<= 49 ULTIMATE.start_main_~x~4) (<= ULTIMATE.start_main_~x~4 49)), 42692#(and (<= ULTIMATE.start_main_~x~4 50) (<= 50 ULTIMATE.start_main_~x~4)), 42693#(and (<= 51 ULTIMATE.start_main_~x~4) (<= ULTIMATE.start_main_~x~4 51)), 42694#(and (<= ULTIMATE.start_main_~x~4 52) (<= 52 ULTIMATE.start_main_~x~4)), 42695#(and (<= 53 ULTIMATE.start_main_~x~4) (<= ULTIMATE.start_main_~x~4 53)), 42696#(and (<= ULTIMATE.start_main_~x~4 54) (<= 54 ULTIMATE.start_main_~x~4)), 42697#(and (<= 55 ULTIMATE.start_main_~x~4) (<= ULTIMATE.start_main_~x~4 55)), 42698#(and (<= 56 ULTIMATE.start_main_~x~4) (<= ULTIMATE.start_main_~x~4 56)), 42699#(and (<= 57 ULTIMATE.start_main_~x~4) (<= ULTIMATE.start_main_~x~4 57)), 42700#(and (<= 58 ULTIMATE.start_main_~x~4) (<= ULTIMATE.start_main_~x~4 58)), 42701#(and (<= ULTIMATE.start_main_~x~4 59) (<= 59 ULTIMATE.start_main_~x~4)), 42702#(and (<= 60 ULTIMATE.start_main_~x~4) (<= ULTIMATE.start_main_~x~4 60)), 42703#(and (<= 61 ULTIMATE.start_main_~x~4) (<= ULTIMATE.start_main_~x~4 61)), 42704#(and (<= ULTIMATE.start_main_~x~4 62) (<= 62 ULTIMATE.start_main_~x~4)), 42705#(and (<= 63 ULTIMATE.start_main_~x~4) (<= ULTIMATE.start_main_~x~4 63)), 42706#(and (<= ULTIMATE.start_main_~x~4 64) (<= 64 ULTIMATE.start_main_~x~4)), 42707#(and (<= 65 ULTIMATE.start_main_~x~4) (<= ULTIMATE.start_main_~x~4 65)), 42708#(and (<= 66 ULTIMATE.start_main_~x~4) (<= ULTIMATE.start_main_~x~4 66)), 42709#(and (<= 67 ULTIMATE.start_main_~x~4) (<= ULTIMATE.start_main_~x~4 67)), 42710#(and (<= ULTIMATE.start_main_~x~4 68) (<= 68 ULTIMATE.start_main_~x~4)), 42711#(and (<= 69 ULTIMATE.start_main_~x~4) (<= ULTIMATE.start_main_~x~4 69)), 42712#(and (<= ULTIMATE.start_main_~x~4 70) (<= 70 ULTIMATE.start_main_~x~4)), 42713#(and (<= 71 ULTIMATE.start_main_~x~4) (<= ULTIMATE.start_main_~x~4 71)), 42714#(and (<= 72 ULTIMATE.start_main_~x~4) (<= ULTIMATE.start_main_~x~4 72)), 42715#(and (<= ULTIMATE.start_main_~x~4 73) (<= 73 ULTIMATE.start_main_~x~4)), 42716#(and (<= 74 ULTIMATE.start_main_~x~4) (<= ULTIMATE.start_main_~x~4 74)), 42717#(and (<= ULTIMATE.start_main_~x~4 75) (<= 75 ULTIMATE.start_main_~x~4)), 42718#(and (<= ULTIMATE.start_main_~x~4 76) (<= 76 ULTIMATE.start_main_~x~4)), 42719#(and (<= ULTIMATE.start_main_~x~4 77) (<= 77 ULTIMATE.start_main_~x~4)), 42720#(and (<= ULTIMATE.start_main_~x~4 78) (<= 78 ULTIMATE.start_main_~x~4)), 42721#(and (<= 79 ULTIMATE.start_main_~x~4) (<= ULTIMATE.start_main_~x~4 79)), 42722#(and (<= ULTIMATE.start_main_~x~4 80) (<= 80 ULTIMATE.start_main_~x~4)), 42723#(and (<= ULTIMATE.start_main_~x~4 81) (<= 81 ULTIMATE.start_main_~x~4)), 42724#(and (<= ULTIMATE.start_main_~x~4 82) (<= 82 ULTIMATE.start_main_~x~4)), 42725#(and (<= 83 ULTIMATE.start_main_~x~4) (<= ULTIMATE.start_main_~x~4 83)), 42726#(and (<= ULTIMATE.start_main_~x~4 84) (<= 84 ULTIMATE.start_main_~x~4)), 42727#(and (<= 85 ULTIMATE.start_main_~x~4) (<= ULTIMATE.start_main_~x~4 85)), 42728#(and (<= 86 ULTIMATE.start_main_~x~4) (<= ULTIMATE.start_main_~x~4 86)), 42729#(and (<= ULTIMATE.start_main_~x~4 87) (<= 87 ULTIMATE.start_main_~x~4)), 42730#(and (<= 88 ULTIMATE.start_main_~x~4) (<= ULTIMATE.start_main_~x~4 88)), 42731#(and (<= ULTIMATE.start_main_~x~4 89) (<= 89 ULTIMATE.start_main_~x~4)), 42732#(and (<= ULTIMATE.start_main_~x~4 90) (<= 90 ULTIMATE.start_main_~x~4)), 42733#(and (<= ULTIMATE.start_main_~x~4 91) (<= 91 ULTIMATE.start_main_~x~4)), 42734#(and (<= ULTIMATE.start_main_~x~4 92) (<= 92 ULTIMATE.start_main_~x~4)), 42735#(and (<= ULTIMATE.start_main_~x~4 93) (<= 93 ULTIMATE.start_main_~x~4)), 42736#(and (<= ULTIMATE.start_main_~x~4 94) (<= 94 ULTIMATE.start_main_~x~4))] [2018-07-23 13:50:42,607 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 13:50:42,607 INFO L450 AbstractCegarLoop]: Interpolant automaton has 97 states [2018-07-23 13:50:42,607 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 97 interpolants. [2018-07-23 13:50:42,608 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=191, Invalid=9121, Unknown=0, NotChecked=0, Total=9312 [2018-07-23 13:50:42,608 INFO L87 Difference]: Start difference. First operand 193 states and 193 transitions. Second operand 97 states. [2018-07-23 13:50:43,337 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-07-23 13:50:43,338 INFO L93 Difference]: Finished difference Result 197 states and 197 transitions. [2018-07-23 13:50:43,338 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 97 states. [2018-07-23 13:50:43,338 INFO L78 Accepts]: Start accepts. Automaton has 97 states. Word has length 192 [2018-07-23 13:50:43,338 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-07-23 13:50:43,339 INFO L225 Difference]: With dead ends: 197 [2018-07-23 13:50:43,339 INFO L226 Difference]: Without dead ends: 195 [2018-07-23 13:50:43,340 INFO L575 BasicCegarLoop]: 0 DeclaredPredicates, 96 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 95 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=191, Invalid=9121, Unknown=0, NotChecked=0, Total=9312 [2018-07-23 13:50:43,341 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 195 states. [2018-07-23 13:50:43,348 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 195 to 195. [2018-07-23 13:50:43,348 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 195 states. [2018-07-23 13:50:43,348 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 195 states to 195 states and 195 transitions. [2018-07-23 13:50:43,349 INFO L78 Accepts]: Start accepts. Automaton has 195 states and 195 transitions. Word has length 192 [2018-07-23 13:50:43,349 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-07-23 13:50:43,349 INFO L471 AbstractCegarLoop]: Abstraction has 195 states and 195 transitions. [2018-07-23 13:50:43,349 INFO L472 AbstractCegarLoop]: Interpolant automaton has 97 states. [2018-07-23 13:50:43,349 INFO L276 IsEmpty]: Start isEmpty. Operand 195 states and 195 transitions. [2018-07-23 13:50:43,350 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 195 [2018-07-23 13:50:43,350 INFO L349 BasicCegarLoop]: Found error trace [2018-07-23 13:50:43,350 INFO L357 BasicCegarLoop]: trace histogram [96, 95, 1, 1, 1] [2018-07-23 13:50:43,350 INFO L414 AbstractCegarLoop]: === Iteration 96 === [ULTIMATE.startErr0AssertViolationASSERT]=== [2018-07-23 13:50:43,351 INFO L82 PathProgramCache]: Analyzing trace with hash -986656435, now seen corresponding path program 95 times [2018-07-23 13:50:43,351 INFO L69 tionRefinementEngine]: Using refinement strategy FixedRefinementStrategy [2018-07-23 13:50:43,448 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-07-23 13:50:43,981 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 13:50:43,981 INFO L309 seRefinementStrategy]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2018-07-23 13:50:43,982 INFO L324 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [97] total 97 [2018-07-23 13:50:43,982 INFO L142 lantAutomatonBuilder]: Constructing canonical interpolant automaton, with selfloop in false state [2018-07-23 13:50:43,982 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-07-23 13:50:43,982 INFO L185 omatonBuilderFactory]: Interpolants [43521#true, 43522#false, 43523#(and (<= ULTIMATE.start_main_~x~4 0) (<= 0 ULTIMATE.start_main_~x~4)), 43524#(and (<= ULTIMATE.start_main_~x~4 1) (<= 1 ULTIMATE.start_main_~x~4)), 43525#(and (<= 2 ULTIMATE.start_main_~x~4) (<= ULTIMATE.start_main_~x~4 2)), 43526#(and (<= 3 ULTIMATE.start_main_~x~4) (<= ULTIMATE.start_main_~x~4 3)), 43527#(and (<= ULTIMATE.start_main_~x~4 4) (<= 4 ULTIMATE.start_main_~x~4)), 43528#(and (<= ULTIMATE.start_main_~x~4 5) (<= 5 ULTIMATE.start_main_~x~4)), 43529#(and (<= 6 ULTIMATE.start_main_~x~4) (<= ULTIMATE.start_main_~x~4 6)), 43530#(and (<= ULTIMATE.start_main_~x~4 7) (<= 7 ULTIMATE.start_main_~x~4)), 43531#(and (<= ULTIMATE.start_main_~x~4 8) (<= 8 ULTIMATE.start_main_~x~4)), 43532#(and (<= 9 ULTIMATE.start_main_~x~4) (<= ULTIMATE.start_main_~x~4 9)), 43533#(and (<= ULTIMATE.start_main_~x~4 10) (<= 10 ULTIMATE.start_main_~x~4)), 43534#(and (<= ULTIMATE.start_main_~x~4 11) (<= 11 ULTIMATE.start_main_~x~4)), 43535#(and (<= 12 ULTIMATE.start_main_~x~4) (<= ULTIMATE.start_main_~x~4 12)), 43536#(and (<= ULTIMATE.start_main_~x~4 13) (<= 13 ULTIMATE.start_main_~x~4)), 43537#(and (<= 14 ULTIMATE.start_main_~x~4) (<= ULTIMATE.start_main_~x~4 14)), 43538#(and (<= 15 ULTIMATE.start_main_~x~4) (<= ULTIMATE.start_main_~x~4 15)), 43539#(and (<= ULTIMATE.start_main_~x~4 16) (<= 16 ULTIMATE.start_main_~x~4)), 43540#(and (<= ULTIMATE.start_main_~x~4 17) (<= 17 ULTIMATE.start_main_~x~4)), 43541#(and (<= 18 ULTIMATE.start_main_~x~4) (<= ULTIMATE.start_main_~x~4 18)), 43542#(and (<= 19 ULTIMATE.start_main_~x~4) (<= ULTIMATE.start_main_~x~4 19)), 43543#(and (<= 20 ULTIMATE.start_main_~x~4) (<= ULTIMATE.start_main_~x~4 20)), 43544#(and (<= ULTIMATE.start_main_~x~4 21) (<= 21 ULTIMATE.start_main_~x~4)), 43545#(and (<= ULTIMATE.start_main_~x~4 22) (<= 22 ULTIMATE.start_main_~x~4)), 43546#(and (<= ULTIMATE.start_main_~x~4 23) (<= 23 ULTIMATE.start_main_~x~4)), 43547#(and (<= ULTIMATE.start_main_~x~4 24) (<= 24 ULTIMATE.start_main_~x~4)), 43548#(and (<= ULTIMATE.start_main_~x~4 25) (<= 25 ULTIMATE.start_main_~x~4)), 43549#(and (<= ULTIMATE.start_main_~x~4 26) (<= 26 ULTIMATE.start_main_~x~4)), 43550#(and (<= ULTIMATE.start_main_~x~4 27) (<= 27 ULTIMATE.start_main_~x~4)), 43551#(and (<= ULTIMATE.start_main_~x~4 28) (<= 28 ULTIMATE.start_main_~x~4)), 43552#(and (<= 29 ULTIMATE.start_main_~x~4) (<= ULTIMATE.start_main_~x~4 29)), 43553#(and (<= ULTIMATE.start_main_~x~4 30) (<= 30 ULTIMATE.start_main_~x~4)), 43554#(and (<= ULTIMATE.start_main_~x~4 31) (<= 31 ULTIMATE.start_main_~x~4)), 43555#(and (<= ULTIMATE.start_main_~x~4 32) (<= 32 ULTIMATE.start_main_~x~4)), 43556#(and (<= ULTIMATE.start_main_~x~4 33) (<= 33 ULTIMATE.start_main_~x~4)), 43557#(and (<= 34 ULTIMATE.start_main_~x~4) (<= ULTIMATE.start_main_~x~4 34)), 43558#(and (<= ULTIMATE.start_main_~x~4 35) (<= 35 ULTIMATE.start_main_~x~4)), 43559#(and (<= 36 ULTIMATE.start_main_~x~4) (<= ULTIMATE.start_main_~x~4 36)), 43560#(and (<= ULTIMATE.start_main_~x~4 37) (<= 37 ULTIMATE.start_main_~x~4)), 43561#(and (<= 38 ULTIMATE.start_main_~x~4) (<= ULTIMATE.start_main_~x~4 38)), 43562#(and (<= ULTIMATE.start_main_~x~4 39) (<= 39 ULTIMATE.start_main_~x~4)), 43563#(and (<= ULTIMATE.start_main_~x~4 40) (<= 40 ULTIMATE.start_main_~x~4)), 43564#(and (<= ULTIMATE.start_main_~x~4 41) (<= 41 ULTIMATE.start_main_~x~4)), 43565#(and (<= ULTIMATE.start_main_~x~4 42) (<= 42 ULTIMATE.start_main_~x~4)), 43566#(and (<= ULTIMATE.start_main_~x~4 43) (<= 43 ULTIMATE.start_main_~x~4)), 43567#(and (<= 44 ULTIMATE.start_main_~x~4) (<= ULTIMATE.start_main_~x~4 44)), 43568#(and (<= 45 ULTIMATE.start_main_~x~4) (<= ULTIMATE.start_main_~x~4 45)), 43569#(and (<= ULTIMATE.start_main_~x~4 46) (<= 46 ULTIMATE.start_main_~x~4)), 43570#(and (<= 47 ULTIMATE.start_main_~x~4) (<= ULTIMATE.start_main_~x~4 47)), 43571#(and (<= 48 ULTIMATE.start_main_~x~4) (<= ULTIMATE.start_main_~x~4 48)), 43572#(and (<= 49 ULTIMATE.start_main_~x~4) (<= ULTIMATE.start_main_~x~4 49)), 43573#(and (<= ULTIMATE.start_main_~x~4 50) (<= 50 ULTIMATE.start_main_~x~4)), 43574#(and (<= 51 ULTIMATE.start_main_~x~4) (<= ULTIMATE.start_main_~x~4 51)), 43575#(and (<= ULTIMATE.start_main_~x~4 52) (<= 52 ULTIMATE.start_main_~x~4)), 43576#(and (<= 53 ULTIMATE.start_main_~x~4) (<= ULTIMATE.start_main_~x~4 53)), 43577#(and (<= ULTIMATE.start_main_~x~4 54) (<= 54 ULTIMATE.start_main_~x~4)), 43578#(and (<= 55 ULTIMATE.start_main_~x~4) (<= ULTIMATE.start_main_~x~4 55)), 43579#(and (<= 56 ULTIMATE.start_main_~x~4) (<= ULTIMATE.start_main_~x~4 56)), 43580#(and (<= 57 ULTIMATE.start_main_~x~4) (<= ULTIMATE.start_main_~x~4 57)), 43581#(and (<= 58 ULTIMATE.start_main_~x~4) (<= ULTIMATE.start_main_~x~4 58)), 43582#(and (<= ULTIMATE.start_main_~x~4 59) (<= 59 ULTIMATE.start_main_~x~4)), 43583#(and (<= 60 ULTIMATE.start_main_~x~4) (<= ULTIMATE.start_main_~x~4 60)), 43584#(and (<= 61 ULTIMATE.start_main_~x~4) (<= ULTIMATE.start_main_~x~4 61)), 43585#(and (<= ULTIMATE.start_main_~x~4 62) (<= 62 ULTIMATE.start_main_~x~4)), 43586#(and (<= 63 ULTIMATE.start_main_~x~4) (<= ULTIMATE.start_main_~x~4 63)), 43587#(and (<= ULTIMATE.start_main_~x~4 64) (<= 64 ULTIMATE.start_main_~x~4)), 43588#(and (<= 65 ULTIMATE.start_main_~x~4) (<= ULTIMATE.start_main_~x~4 65)), 43589#(and (<= 66 ULTIMATE.start_main_~x~4) (<= ULTIMATE.start_main_~x~4 66)), 43590#(and (<= 67 ULTIMATE.start_main_~x~4) (<= ULTIMATE.start_main_~x~4 67)), 43591#(and (<= ULTIMATE.start_main_~x~4 68) (<= 68 ULTIMATE.start_main_~x~4)), 43592#(and (<= 69 ULTIMATE.start_main_~x~4) (<= ULTIMATE.start_main_~x~4 69)), 43593#(and (<= ULTIMATE.start_main_~x~4 70) (<= 70 ULTIMATE.start_main_~x~4)), 43594#(and (<= 71 ULTIMATE.start_main_~x~4) (<= ULTIMATE.start_main_~x~4 71)), 43595#(and (<= 72 ULTIMATE.start_main_~x~4) (<= ULTIMATE.start_main_~x~4 72)), 43596#(and (<= ULTIMATE.start_main_~x~4 73) (<= 73 ULTIMATE.start_main_~x~4)), 43597#(and (<= 74 ULTIMATE.start_main_~x~4) (<= ULTIMATE.start_main_~x~4 74)), 43598#(and (<= ULTIMATE.start_main_~x~4 75) (<= 75 ULTIMATE.start_main_~x~4)), 43599#(and (<= ULTIMATE.start_main_~x~4 76) (<= 76 ULTIMATE.start_main_~x~4)), 43600#(and (<= ULTIMATE.start_main_~x~4 77) (<= 77 ULTIMATE.start_main_~x~4)), 43601#(and (<= ULTIMATE.start_main_~x~4 78) (<= 78 ULTIMATE.start_main_~x~4)), 43602#(and (<= 79 ULTIMATE.start_main_~x~4) (<= ULTIMATE.start_main_~x~4 79)), 43603#(and (<= ULTIMATE.start_main_~x~4 80) (<= 80 ULTIMATE.start_main_~x~4)), 43604#(and (<= ULTIMATE.start_main_~x~4 81) (<= 81 ULTIMATE.start_main_~x~4)), 43605#(and (<= ULTIMATE.start_main_~x~4 82) (<= 82 ULTIMATE.start_main_~x~4)), 43606#(and (<= 83 ULTIMATE.start_main_~x~4) (<= ULTIMATE.start_main_~x~4 83)), 43607#(and (<= ULTIMATE.start_main_~x~4 84) (<= 84 ULTIMATE.start_main_~x~4)), 43608#(and (<= 85 ULTIMATE.start_main_~x~4) (<= ULTIMATE.start_main_~x~4 85)), 43609#(and (<= 86 ULTIMATE.start_main_~x~4) (<= ULTIMATE.start_main_~x~4 86)), 43610#(and (<= ULTIMATE.start_main_~x~4 87) (<= 87 ULTIMATE.start_main_~x~4)), 43611#(and (<= 88 ULTIMATE.start_main_~x~4) (<= ULTIMATE.start_main_~x~4 88)), 43612#(and (<= ULTIMATE.start_main_~x~4 89) (<= 89 ULTIMATE.start_main_~x~4)), 43613#(and (<= ULTIMATE.start_main_~x~4 90) (<= 90 ULTIMATE.start_main_~x~4)), 43614#(and (<= ULTIMATE.start_main_~x~4 91) (<= 91 ULTIMATE.start_main_~x~4)), 43615#(and (<= ULTIMATE.start_main_~x~4 92) (<= 92 ULTIMATE.start_main_~x~4)), 43616#(and (<= ULTIMATE.start_main_~x~4 93) (<= 93 ULTIMATE.start_main_~x~4)), 43617#(and (<= ULTIMATE.start_main_~x~4 94) (<= 94 ULTIMATE.start_main_~x~4)), 43618#(and (<= 95 ULTIMATE.start_main_~x~4) (<= ULTIMATE.start_main_~x~4 95))] [2018-07-23 13:50:43,983 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 13:50:43,983 INFO L450 AbstractCegarLoop]: Interpolant automaton has 98 states [2018-07-23 13:50:43,984 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 98 interpolants. [2018-07-23 13:50:43,984 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=193, Invalid=9313, Unknown=0, NotChecked=0, Total=9506 [2018-07-23 13:50:43,984 INFO L87 Difference]: Start difference. First operand 195 states and 195 transitions. Second operand 98 states. [2018-07-23 13:50:44,627 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-07-23 13:50:44,628 INFO L93 Difference]: Finished difference Result 199 states and 199 transitions. [2018-07-23 13:50:44,628 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 98 states. [2018-07-23 13:50:44,628 INFO L78 Accepts]: Start accepts. Automaton has 98 states. Word has length 194 [2018-07-23 13:50:44,628 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-07-23 13:50:44,629 INFO L225 Difference]: With dead ends: 199 [2018-07-23 13:50:44,629 INFO L226 Difference]: Without dead ends: 197 [2018-07-23 13:50:44,630 INFO L575 BasicCegarLoop]: 0 DeclaredPredicates, 97 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 96 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.4s TimeCoverageRelationStatistics Valid=193, Invalid=9313, Unknown=0, NotChecked=0, Total=9506 [2018-07-23 13:50:44,630 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 197 states. [2018-07-23 13:50:44,635 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 197 to 197. [2018-07-23 13:50:44,635 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 197 states. [2018-07-23 13:50:44,635 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 197 states to 197 states and 197 transitions. [2018-07-23 13:50:44,636 INFO L78 Accepts]: Start accepts. Automaton has 197 states and 197 transitions. Word has length 194 [2018-07-23 13:50:44,636 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-07-23 13:50:44,636 INFO L471 AbstractCegarLoop]: Abstraction has 197 states and 197 transitions. [2018-07-23 13:50:44,636 INFO L472 AbstractCegarLoop]: Interpolant automaton has 98 states. [2018-07-23 13:50:44,636 INFO L276 IsEmpty]: Start isEmpty. Operand 197 states and 197 transitions. [2018-07-23 13:50:44,637 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 197 [2018-07-23 13:50:44,637 INFO L349 BasicCegarLoop]: Found error trace [2018-07-23 13:50:44,637 INFO L357 BasicCegarLoop]: trace histogram [97, 96, 1, 1, 1] [2018-07-23 13:50:44,638 INFO L414 AbstractCegarLoop]: === Iteration 97 === [ULTIMATE.startErr0AssertViolationASSERT]=== [2018-07-23 13:50:44,638 INFO L82 PathProgramCache]: Analyzing trace with hash 1010990471, now seen corresponding path program 96 times [2018-07-23 13:50:44,638 INFO L69 tionRefinementEngine]: Using refinement strategy FixedRefinementStrategy [2018-07-23 13:50:44,731 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-07-23 13:50:45,220 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 13:50:45,221 INFO L309 seRefinementStrategy]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2018-07-23 13:50:45,221 INFO L324 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [98] total 98 [2018-07-23 13:50:45,221 INFO L142 lantAutomatonBuilder]: Constructing canonical interpolant automaton, with selfloop in false state [2018-07-23 13:50:45,221 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-07-23 13:50:45,221 INFO L185 omatonBuilderFactory]: Interpolants [44411#true, 44412#false, 44413#(and (<= ULTIMATE.start_main_~x~4 0) (<= 0 ULTIMATE.start_main_~x~4)), 44414#(and (<= ULTIMATE.start_main_~x~4 1) (<= 1 ULTIMATE.start_main_~x~4)), 44415#(and (<= 2 ULTIMATE.start_main_~x~4) (<= ULTIMATE.start_main_~x~4 2)), 44416#(and (<= 3 ULTIMATE.start_main_~x~4) (<= ULTIMATE.start_main_~x~4 3)), 44417#(and (<= ULTIMATE.start_main_~x~4 4) (<= 4 ULTIMATE.start_main_~x~4)), 44418#(and (<= ULTIMATE.start_main_~x~4 5) (<= 5 ULTIMATE.start_main_~x~4)), 44419#(and (<= 6 ULTIMATE.start_main_~x~4) (<= ULTIMATE.start_main_~x~4 6)), 44420#(and (<= ULTIMATE.start_main_~x~4 7) (<= 7 ULTIMATE.start_main_~x~4)), 44421#(and (<= ULTIMATE.start_main_~x~4 8) (<= 8 ULTIMATE.start_main_~x~4)), 44422#(and (<= 9 ULTIMATE.start_main_~x~4) (<= ULTIMATE.start_main_~x~4 9)), 44423#(and (<= ULTIMATE.start_main_~x~4 10) (<= 10 ULTIMATE.start_main_~x~4)), 44424#(and (<= ULTIMATE.start_main_~x~4 11) (<= 11 ULTIMATE.start_main_~x~4)), 44425#(and (<= 12 ULTIMATE.start_main_~x~4) (<= ULTIMATE.start_main_~x~4 12)), 44426#(and (<= ULTIMATE.start_main_~x~4 13) (<= 13 ULTIMATE.start_main_~x~4)), 44427#(and (<= 14 ULTIMATE.start_main_~x~4) (<= ULTIMATE.start_main_~x~4 14)), 44428#(and (<= 15 ULTIMATE.start_main_~x~4) (<= ULTIMATE.start_main_~x~4 15)), 44429#(and (<= ULTIMATE.start_main_~x~4 16) (<= 16 ULTIMATE.start_main_~x~4)), 44430#(and (<= ULTIMATE.start_main_~x~4 17) (<= 17 ULTIMATE.start_main_~x~4)), 44431#(and (<= 18 ULTIMATE.start_main_~x~4) (<= ULTIMATE.start_main_~x~4 18)), 44432#(and (<= 19 ULTIMATE.start_main_~x~4) (<= ULTIMATE.start_main_~x~4 19)), 44433#(and (<= 20 ULTIMATE.start_main_~x~4) (<= ULTIMATE.start_main_~x~4 20)), 44434#(and (<= ULTIMATE.start_main_~x~4 21) (<= 21 ULTIMATE.start_main_~x~4)), 44435#(and (<= ULTIMATE.start_main_~x~4 22) (<= 22 ULTIMATE.start_main_~x~4)), 44436#(and (<= ULTIMATE.start_main_~x~4 23) (<= 23 ULTIMATE.start_main_~x~4)), 44437#(and (<= ULTIMATE.start_main_~x~4 24) (<= 24 ULTIMATE.start_main_~x~4)), 44438#(and (<= ULTIMATE.start_main_~x~4 25) (<= 25 ULTIMATE.start_main_~x~4)), 44439#(and (<= ULTIMATE.start_main_~x~4 26) (<= 26 ULTIMATE.start_main_~x~4)), 44440#(and (<= ULTIMATE.start_main_~x~4 27) (<= 27 ULTIMATE.start_main_~x~4)), 44441#(and (<= ULTIMATE.start_main_~x~4 28) (<= 28 ULTIMATE.start_main_~x~4)), 44442#(and (<= 29 ULTIMATE.start_main_~x~4) (<= ULTIMATE.start_main_~x~4 29)), 44443#(and (<= ULTIMATE.start_main_~x~4 30) (<= 30 ULTIMATE.start_main_~x~4)), 44444#(and (<= ULTIMATE.start_main_~x~4 31) (<= 31 ULTIMATE.start_main_~x~4)), 44445#(and (<= ULTIMATE.start_main_~x~4 32) (<= 32 ULTIMATE.start_main_~x~4)), 44446#(and (<= ULTIMATE.start_main_~x~4 33) (<= 33 ULTIMATE.start_main_~x~4)), 44447#(and (<= 34 ULTIMATE.start_main_~x~4) (<= ULTIMATE.start_main_~x~4 34)), 44448#(and (<= ULTIMATE.start_main_~x~4 35) (<= 35 ULTIMATE.start_main_~x~4)), 44449#(and (<= 36 ULTIMATE.start_main_~x~4) (<= ULTIMATE.start_main_~x~4 36)), 44450#(and (<= ULTIMATE.start_main_~x~4 37) (<= 37 ULTIMATE.start_main_~x~4)), 44451#(and (<= 38 ULTIMATE.start_main_~x~4) (<= ULTIMATE.start_main_~x~4 38)), 44452#(and (<= ULTIMATE.start_main_~x~4 39) (<= 39 ULTIMATE.start_main_~x~4)), 44453#(and (<= ULTIMATE.start_main_~x~4 40) (<= 40 ULTIMATE.start_main_~x~4)), 44454#(and (<= ULTIMATE.start_main_~x~4 41) (<= 41 ULTIMATE.start_main_~x~4)), 44455#(and (<= ULTIMATE.start_main_~x~4 42) (<= 42 ULTIMATE.start_main_~x~4)), 44456#(and (<= ULTIMATE.start_main_~x~4 43) (<= 43 ULTIMATE.start_main_~x~4)), 44457#(and (<= 44 ULTIMATE.start_main_~x~4) (<= ULTIMATE.start_main_~x~4 44)), 44458#(and (<= 45 ULTIMATE.start_main_~x~4) (<= ULTIMATE.start_main_~x~4 45)), 44459#(and (<= ULTIMATE.start_main_~x~4 46) (<= 46 ULTIMATE.start_main_~x~4)), 44460#(and (<= 47 ULTIMATE.start_main_~x~4) (<= ULTIMATE.start_main_~x~4 47)), 44461#(and (<= 48 ULTIMATE.start_main_~x~4) (<= ULTIMATE.start_main_~x~4 48)), 44462#(and (<= 49 ULTIMATE.start_main_~x~4) (<= ULTIMATE.start_main_~x~4 49)), 44463#(and (<= ULTIMATE.start_main_~x~4 50) (<= 50 ULTIMATE.start_main_~x~4)), 44464#(and (<= 51 ULTIMATE.start_main_~x~4) (<= ULTIMATE.start_main_~x~4 51)), 44465#(and (<= ULTIMATE.start_main_~x~4 52) (<= 52 ULTIMATE.start_main_~x~4)), 44466#(and (<= 53 ULTIMATE.start_main_~x~4) (<= ULTIMATE.start_main_~x~4 53)), 44467#(and (<= ULTIMATE.start_main_~x~4 54) (<= 54 ULTIMATE.start_main_~x~4)), 44468#(and (<= 55 ULTIMATE.start_main_~x~4) (<= ULTIMATE.start_main_~x~4 55)), 44469#(and (<= 56 ULTIMATE.start_main_~x~4) (<= ULTIMATE.start_main_~x~4 56)), 44470#(and (<= 57 ULTIMATE.start_main_~x~4) (<= ULTIMATE.start_main_~x~4 57)), 44471#(and (<= 58 ULTIMATE.start_main_~x~4) (<= ULTIMATE.start_main_~x~4 58)), 44472#(and (<= ULTIMATE.start_main_~x~4 59) (<= 59 ULTIMATE.start_main_~x~4)), 44473#(and (<= 60 ULTIMATE.start_main_~x~4) (<= ULTIMATE.start_main_~x~4 60)), 44474#(and (<= 61 ULTIMATE.start_main_~x~4) (<= ULTIMATE.start_main_~x~4 61)), 44475#(and (<= ULTIMATE.start_main_~x~4 62) (<= 62 ULTIMATE.start_main_~x~4)), 44476#(and (<= 63 ULTIMATE.start_main_~x~4) (<= ULTIMATE.start_main_~x~4 63)), 44477#(and (<= ULTIMATE.start_main_~x~4 64) (<= 64 ULTIMATE.start_main_~x~4)), 44478#(and (<= 65 ULTIMATE.start_main_~x~4) (<= ULTIMATE.start_main_~x~4 65)), 44479#(and (<= 66 ULTIMATE.start_main_~x~4) (<= ULTIMATE.start_main_~x~4 66)), 44480#(and (<= 67 ULTIMATE.start_main_~x~4) (<= ULTIMATE.start_main_~x~4 67)), 44481#(and (<= ULTIMATE.start_main_~x~4 68) (<= 68 ULTIMATE.start_main_~x~4)), 44482#(and (<= 69 ULTIMATE.start_main_~x~4) (<= ULTIMATE.start_main_~x~4 69)), 44483#(and (<= ULTIMATE.start_main_~x~4 70) (<= 70 ULTIMATE.start_main_~x~4)), 44484#(and (<= 71 ULTIMATE.start_main_~x~4) (<= ULTIMATE.start_main_~x~4 71)), 44485#(and (<= 72 ULTIMATE.start_main_~x~4) (<= ULTIMATE.start_main_~x~4 72)), 44486#(and (<= ULTIMATE.start_main_~x~4 73) (<= 73 ULTIMATE.start_main_~x~4)), 44487#(and (<= 74 ULTIMATE.start_main_~x~4) (<= ULTIMATE.start_main_~x~4 74)), 44488#(and (<= ULTIMATE.start_main_~x~4 75) (<= 75 ULTIMATE.start_main_~x~4)), 44489#(and (<= ULTIMATE.start_main_~x~4 76) (<= 76 ULTIMATE.start_main_~x~4)), 44490#(and (<= ULTIMATE.start_main_~x~4 77) (<= 77 ULTIMATE.start_main_~x~4)), 44491#(and (<= ULTIMATE.start_main_~x~4 78) (<= 78 ULTIMATE.start_main_~x~4)), 44492#(and (<= 79 ULTIMATE.start_main_~x~4) (<= ULTIMATE.start_main_~x~4 79)), 44493#(and (<= ULTIMATE.start_main_~x~4 80) (<= 80 ULTIMATE.start_main_~x~4)), 44494#(and (<= ULTIMATE.start_main_~x~4 81) (<= 81 ULTIMATE.start_main_~x~4)), 44495#(and (<= ULTIMATE.start_main_~x~4 82) (<= 82 ULTIMATE.start_main_~x~4)), 44496#(and (<= 83 ULTIMATE.start_main_~x~4) (<= ULTIMATE.start_main_~x~4 83)), 44497#(and (<= ULTIMATE.start_main_~x~4 84) (<= 84 ULTIMATE.start_main_~x~4)), 44498#(and (<= 85 ULTIMATE.start_main_~x~4) (<= ULTIMATE.start_main_~x~4 85)), 44499#(and (<= 86 ULTIMATE.start_main_~x~4) (<= ULTIMATE.start_main_~x~4 86)), 44500#(and (<= ULTIMATE.start_main_~x~4 87) (<= 87 ULTIMATE.start_main_~x~4)), 44501#(and (<= 88 ULTIMATE.start_main_~x~4) (<= ULTIMATE.start_main_~x~4 88)), 44502#(and (<= ULTIMATE.start_main_~x~4 89) (<= 89 ULTIMATE.start_main_~x~4)), 44503#(and (<= ULTIMATE.start_main_~x~4 90) (<= 90 ULTIMATE.start_main_~x~4)), 44504#(and (<= ULTIMATE.start_main_~x~4 91) (<= 91 ULTIMATE.start_main_~x~4)), 44505#(and (<= ULTIMATE.start_main_~x~4 92) (<= 92 ULTIMATE.start_main_~x~4)), 44506#(and (<= ULTIMATE.start_main_~x~4 93) (<= 93 ULTIMATE.start_main_~x~4)), 44507#(and (<= ULTIMATE.start_main_~x~4 94) (<= 94 ULTIMATE.start_main_~x~4)), 44508#(and (<= 95 ULTIMATE.start_main_~x~4) (<= ULTIMATE.start_main_~x~4 95)), 44509#(and (<= ULTIMATE.start_main_~x~4 96) (<= 96 ULTIMATE.start_main_~x~4))] [2018-07-23 13:50:45,222 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 13:50:45,222 INFO L450 AbstractCegarLoop]: Interpolant automaton has 99 states [2018-07-23 13:50:45,222 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 99 interpolants. [2018-07-23 13:50:45,223 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=195, Invalid=9507, Unknown=0, NotChecked=0, Total=9702 [2018-07-23 13:50:45,223 INFO L87 Difference]: Start difference. First operand 197 states and 197 transitions. Second operand 99 states. [2018-07-23 13:50:45,914 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-07-23 13:50:45,914 INFO L93 Difference]: Finished difference Result 201 states and 201 transitions. [2018-07-23 13:50:45,914 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 99 states. [2018-07-23 13:50:45,914 INFO L78 Accepts]: Start accepts. Automaton has 99 states. Word has length 196 [2018-07-23 13:50:45,915 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-07-23 13:50:45,915 INFO L225 Difference]: With dead ends: 201 [2018-07-23 13:50:45,915 INFO L226 Difference]: Without dead ends: 199 [2018-07-23 13:50:45,916 INFO L575 BasicCegarLoop]: 0 DeclaredPredicates, 98 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 97 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=195, Invalid=9507, Unknown=0, NotChecked=0, Total=9702 [2018-07-23 13:50:45,916 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 199 states. [2018-07-23 13:50:45,922 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 199 to 199. [2018-07-23 13:50:45,922 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 199 states. [2018-07-23 13:50:45,922 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 199 states to 199 states and 199 transitions. [2018-07-23 13:50:45,923 INFO L78 Accepts]: Start accepts. Automaton has 199 states and 199 transitions. Word has length 196 [2018-07-23 13:50:45,923 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-07-23 13:50:45,923 INFO L471 AbstractCegarLoop]: Abstraction has 199 states and 199 transitions. [2018-07-23 13:50:45,923 INFO L472 AbstractCegarLoop]: Interpolant automaton has 99 states. [2018-07-23 13:50:45,923 INFO L276 IsEmpty]: Start isEmpty. Operand 199 states and 199 transitions. [2018-07-23 13:50:45,924 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 199 [2018-07-23 13:50:45,924 INFO L349 BasicCegarLoop]: Found error trace [2018-07-23 13:50:45,924 INFO L357 BasicCegarLoop]: trace histogram [98, 97, 1, 1, 1] [2018-07-23 13:50:45,924 INFO L414 AbstractCegarLoop]: === Iteration 98 === [ULTIMATE.startErr0AssertViolationASSERT]=== [2018-07-23 13:50:45,925 INFO L82 PathProgramCache]: Analyzing trace with hash 899285825, now seen corresponding path program 97 times [2018-07-23 13:50:45,925 INFO L69 tionRefinementEngine]: Using refinement strategy FixedRefinementStrategy [2018-07-23 13:50:46,049 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-07-23 13:50:46,562 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 13:50:46,563 INFO L309 seRefinementStrategy]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2018-07-23 13:50:46,563 INFO L324 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [99] total 99 [2018-07-23 13:50:46,563 INFO L142 lantAutomatonBuilder]: Constructing canonical interpolant automaton, with selfloop in false state [2018-07-23 13:50:46,563 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-07-23 13:50:46,564 INFO L185 omatonBuilderFactory]: Interpolants [45312#(and (<= ULTIMATE.start_main_~x~4 0) (<= 0 ULTIMATE.start_main_~x~4)), 45313#(and (<= ULTIMATE.start_main_~x~4 1) (<= 1 ULTIMATE.start_main_~x~4)), 45314#(and (<= 2 ULTIMATE.start_main_~x~4) (<= ULTIMATE.start_main_~x~4 2)), 45315#(and (<= 3 ULTIMATE.start_main_~x~4) (<= ULTIMATE.start_main_~x~4 3)), 45316#(and (<= ULTIMATE.start_main_~x~4 4) (<= 4 ULTIMATE.start_main_~x~4)), 45317#(and (<= ULTIMATE.start_main_~x~4 5) (<= 5 ULTIMATE.start_main_~x~4)), 45318#(and (<= 6 ULTIMATE.start_main_~x~4) (<= ULTIMATE.start_main_~x~4 6)), 45319#(and (<= ULTIMATE.start_main_~x~4 7) (<= 7 ULTIMATE.start_main_~x~4)), 45320#(and (<= ULTIMATE.start_main_~x~4 8) (<= 8 ULTIMATE.start_main_~x~4)), 45321#(and (<= 9 ULTIMATE.start_main_~x~4) (<= ULTIMATE.start_main_~x~4 9)), 45322#(and (<= ULTIMATE.start_main_~x~4 10) (<= 10 ULTIMATE.start_main_~x~4)), 45323#(and (<= ULTIMATE.start_main_~x~4 11) (<= 11 ULTIMATE.start_main_~x~4)), 45324#(and (<= 12 ULTIMATE.start_main_~x~4) (<= ULTIMATE.start_main_~x~4 12)), 45325#(and (<= ULTIMATE.start_main_~x~4 13) (<= 13 ULTIMATE.start_main_~x~4)), 45326#(and (<= 14 ULTIMATE.start_main_~x~4) (<= ULTIMATE.start_main_~x~4 14)), 45327#(and (<= 15 ULTIMATE.start_main_~x~4) (<= ULTIMATE.start_main_~x~4 15)), 45328#(and (<= ULTIMATE.start_main_~x~4 16) (<= 16 ULTIMATE.start_main_~x~4)), 45329#(and (<= ULTIMATE.start_main_~x~4 17) (<= 17 ULTIMATE.start_main_~x~4)), 45330#(and (<= 18 ULTIMATE.start_main_~x~4) (<= ULTIMATE.start_main_~x~4 18)), 45331#(and (<= 19 ULTIMATE.start_main_~x~4) (<= ULTIMATE.start_main_~x~4 19)), 45332#(and (<= 20 ULTIMATE.start_main_~x~4) (<= ULTIMATE.start_main_~x~4 20)), 45333#(and (<= ULTIMATE.start_main_~x~4 21) (<= 21 ULTIMATE.start_main_~x~4)), 45334#(and (<= ULTIMATE.start_main_~x~4 22) (<= 22 ULTIMATE.start_main_~x~4)), 45335#(and (<= ULTIMATE.start_main_~x~4 23) (<= 23 ULTIMATE.start_main_~x~4)), 45336#(and (<= ULTIMATE.start_main_~x~4 24) (<= 24 ULTIMATE.start_main_~x~4)), 45337#(and (<= ULTIMATE.start_main_~x~4 25) (<= 25 ULTIMATE.start_main_~x~4)), 45338#(and (<= ULTIMATE.start_main_~x~4 26) (<= 26 ULTIMATE.start_main_~x~4)), 45339#(and (<= ULTIMATE.start_main_~x~4 27) (<= 27 ULTIMATE.start_main_~x~4)), 45340#(and (<= ULTIMATE.start_main_~x~4 28) (<= 28 ULTIMATE.start_main_~x~4)), 45341#(and (<= 29 ULTIMATE.start_main_~x~4) (<= ULTIMATE.start_main_~x~4 29)), 45342#(and (<= ULTIMATE.start_main_~x~4 30) (<= 30 ULTIMATE.start_main_~x~4)), 45343#(and (<= ULTIMATE.start_main_~x~4 31) (<= 31 ULTIMATE.start_main_~x~4)), 45344#(and (<= ULTIMATE.start_main_~x~4 32) (<= 32 ULTIMATE.start_main_~x~4)), 45345#(and (<= ULTIMATE.start_main_~x~4 33) (<= 33 ULTIMATE.start_main_~x~4)), 45346#(and (<= 34 ULTIMATE.start_main_~x~4) (<= ULTIMATE.start_main_~x~4 34)), 45347#(and (<= ULTIMATE.start_main_~x~4 35) (<= 35 ULTIMATE.start_main_~x~4)), 45348#(and (<= 36 ULTIMATE.start_main_~x~4) (<= ULTIMATE.start_main_~x~4 36)), 45349#(and (<= ULTIMATE.start_main_~x~4 37) (<= 37 ULTIMATE.start_main_~x~4)), 45350#(and (<= 38 ULTIMATE.start_main_~x~4) (<= ULTIMATE.start_main_~x~4 38)), 45351#(and (<= ULTIMATE.start_main_~x~4 39) (<= 39 ULTIMATE.start_main_~x~4)), 45352#(and (<= ULTIMATE.start_main_~x~4 40) (<= 40 ULTIMATE.start_main_~x~4)), 45353#(and (<= ULTIMATE.start_main_~x~4 41) (<= 41 ULTIMATE.start_main_~x~4)), 45354#(and (<= ULTIMATE.start_main_~x~4 42) (<= 42 ULTIMATE.start_main_~x~4)), 45355#(and (<= ULTIMATE.start_main_~x~4 43) (<= 43 ULTIMATE.start_main_~x~4)), 45356#(and (<= 44 ULTIMATE.start_main_~x~4) (<= ULTIMATE.start_main_~x~4 44)), 45357#(and (<= 45 ULTIMATE.start_main_~x~4) (<= ULTIMATE.start_main_~x~4 45)), 45358#(and (<= ULTIMATE.start_main_~x~4 46) (<= 46 ULTIMATE.start_main_~x~4)), 45359#(and (<= 47 ULTIMATE.start_main_~x~4) (<= ULTIMATE.start_main_~x~4 47)), 45360#(and (<= 48 ULTIMATE.start_main_~x~4) (<= ULTIMATE.start_main_~x~4 48)), 45361#(and (<= 49 ULTIMATE.start_main_~x~4) (<= ULTIMATE.start_main_~x~4 49)), 45362#(and (<= ULTIMATE.start_main_~x~4 50) (<= 50 ULTIMATE.start_main_~x~4)), 45363#(and (<= 51 ULTIMATE.start_main_~x~4) (<= ULTIMATE.start_main_~x~4 51)), 45364#(and (<= ULTIMATE.start_main_~x~4 52) (<= 52 ULTIMATE.start_main_~x~4)), 45365#(and (<= 53 ULTIMATE.start_main_~x~4) (<= ULTIMATE.start_main_~x~4 53)), 45366#(and (<= ULTIMATE.start_main_~x~4 54) (<= 54 ULTIMATE.start_main_~x~4)), 45367#(and (<= 55 ULTIMATE.start_main_~x~4) (<= ULTIMATE.start_main_~x~4 55)), 45368#(and (<= 56 ULTIMATE.start_main_~x~4) (<= ULTIMATE.start_main_~x~4 56)), 45369#(and (<= 57 ULTIMATE.start_main_~x~4) (<= ULTIMATE.start_main_~x~4 57)), 45370#(and (<= 58 ULTIMATE.start_main_~x~4) (<= ULTIMATE.start_main_~x~4 58)), 45371#(and (<= ULTIMATE.start_main_~x~4 59) (<= 59 ULTIMATE.start_main_~x~4)), 45372#(and (<= 60 ULTIMATE.start_main_~x~4) (<= ULTIMATE.start_main_~x~4 60)), 45373#(and (<= 61 ULTIMATE.start_main_~x~4) (<= ULTIMATE.start_main_~x~4 61)), 45374#(and (<= ULTIMATE.start_main_~x~4 62) (<= 62 ULTIMATE.start_main_~x~4)), 45375#(and (<= 63 ULTIMATE.start_main_~x~4) (<= ULTIMATE.start_main_~x~4 63)), 45376#(and (<= ULTIMATE.start_main_~x~4 64) (<= 64 ULTIMATE.start_main_~x~4)), 45377#(and (<= 65 ULTIMATE.start_main_~x~4) (<= ULTIMATE.start_main_~x~4 65)), 45378#(and (<= 66 ULTIMATE.start_main_~x~4) (<= ULTIMATE.start_main_~x~4 66)), 45379#(and (<= 67 ULTIMATE.start_main_~x~4) (<= ULTIMATE.start_main_~x~4 67)), 45380#(and (<= ULTIMATE.start_main_~x~4 68) (<= 68 ULTIMATE.start_main_~x~4)), 45381#(and (<= 69 ULTIMATE.start_main_~x~4) (<= ULTIMATE.start_main_~x~4 69)), 45382#(and (<= ULTIMATE.start_main_~x~4 70) (<= 70 ULTIMATE.start_main_~x~4)), 45383#(and (<= 71 ULTIMATE.start_main_~x~4) (<= ULTIMATE.start_main_~x~4 71)), 45384#(and (<= 72 ULTIMATE.start_main_~x~4) (<= ULTIMATE.start_main_~x~4 72)), 45385#(and (<= ULTIMATE.start_main_~x~4 73) (<= 73 ULTIMATE.start_main_~x~4)), 45386#(and (<= 74 ULTIMATE.start_main_~x~4) (<= ULTIMATE.start_main_~x~4 74)), 45387#(and (<= ULTIMATE.start_main_~x~4 75) (<= 75 ULTIMATE.start_main_~x~4)), 45388#(and (<= ULTIMATE.start_main_~x~4 76) (<= 76 ULTIMATE.start_main_~x~4)), 45389#(and (<= ULTIMATE.start_main_~x~4 77) (<= 77 ULTIMATE.start_main_~x~4)), 45390#(and (<= ULTIMATE.start_main_~x~4 78) (<= 78 ULTIMATE.start_main_~x~4)), 45391#(and (<= 79 ULTIMATE.start_main_~x~4) (<= ULTIMATE.start_main_~x~4 79)), 45392#(and (<= ULTIMATE.start_main_~x~4 80) (<= 80 ULTIMATE.start_main_~x~4)), 45393#(and (<= ULTIMATE.start_main_~x~4 81) (<= 81 ULTIMATE.start_main_~x~4)), 45394#(and (<= ULTIMATE.start_main_~x~4 82) (<= 82 ULTIMATE.start_main_~x~4)), 45395#(and (<= 83 ULTIMATE.start_main_~x~4) (<= ULTIMATE.start_main_~x~4 83)), 45396#(and (<= ULTIMATE.start_main_~x~4 84) (<= 84 ULTIMATE.start_main_~x~4)), 45397#(and (<= 85 ULTIMATE.start_main_~x~4) (<= ULTIMATE.start_main_~x~4 85)), 45398#(and (<= 86 ULTIMATE.start_main_~x~4) (<= ULTIMATE.start_main_~x~4 86)), 45399#(and (<= ULTIMATE.start_main_~x~4 87) (<= 87 ULTIMATE.start_main_~x~4)), 45400#(and (<= 88 ULTIMATE.start_main_~x~4) (<= ULTIMATE.start_main_~x~4 88)), 45401#(and (<= ULTIMATE.start_main_~x~4 89) (<= 89 ULTIMATE.start_main_~x~4)), 45402#(and (<= ULTIMATE.start_main_~x~4 90) (<= 90 ULTIMATE.start_main_~x~4)), 45403#(and (<= ULTIMATE.start_main_~x~4 91) (<= 91 ULTIMATE.start_main_~x~4)), 45404#(and (<= ULTIMATE.start_main_~x~4 92) (<= 92 ULTIMATE.start_main_~x~4)), 45405#(and (<= ULTIMATE.start_main_~x~4 93) (<= 93 ULTIMATE.start_main_~x~4)), 45406#(and (<= ULTIMATE.start_main_~x~4 94) (<= 94 ULTIMATE.start_main_~x~4)), 45407#(and (<= 95 ULTIMATE.start_main_~x~4) (<= ULTIMATE.start_main_~x~4 95)), 45408#(and (<= ULTIMATE.start_main_~x~4 96) (<= 96 ULTIMATE.start_main_~x~4)), 45409#(and (<= 97 ULTIMATE.start_main_~x~4) (<= ULTIMATE.start_main_~x~4 97)), 45310#true, 45311#false] [2018-07-23 13:50:46,564 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 13:50:46,564 INFO L450 AbstractCegarLoop]: Interpolant automaton has 100 states [2018-07-23 13:50:46,565 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 100 interpolants. [2018-07-23 13:50:46,565 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=197, Invalid=9703, Unknown=0, NotChecked=0, Total=9900 [2018-07-23 13:50:46,565 INFO L87 Difference]: Start difference. First operand 199 states and 199 transitions. Second operand 100 states. [2018-07-23 13:50:47,265 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-07-23 13:50:47,265 INFO L93 Difference]: Finished difference Result 203 states and 203 transitions. [2018-07-23 13:50:47,265 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 100 states. [2018-07-23 13:50:47,265 INFO L78 Accepts]: Start accepts. Automaton has 100 states. Word has length 198 [2018-07-23 13:50:47,266 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-07-23 13:50:47,266 INFO L225 Difference]: With dead ends: 203 [2018-07-23 13:50:47,266 INFO L226 Difference]: Without dead ends: 201 [2018-07-23 13:50:47,267 INFO L575 BasicCegarLoop]: 0 DeclaredPredicates, 99 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 98 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=197, Invalid=9703, Unknown=0, NotChecked=0, Total=9900 [2018-07-23 13:50:47,267 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 201 states. [2018-07-23 13:50:47,273 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 201 to 201. [2018-07-23 13:50:47,273 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 201 states. [2018-07-23 13:50:47,273 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 201 states to 201 states and 201 transitions. [2018-07-23 13:50:47,273 INFO L78 Accepts]: Start accepts. Automaton has 201 states and 201 transitions. Word has length 198 [2018-07-23 13:50:47,274 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-07-23 13:50:47,274 INFO L471 AbstractCegarLoop]: Abstraction has 201 states and 201 transitions. [2018-07-23 13:50:47,274 INFO L472 AbstractCegarLoop]: Interpolant automaton has 100 states. [2018-07-23 13:50:47,274 INFO L276 IsEmpty]: Start isEmpty. Operand 201 states and 201 transitions. [2018-07-23 13:50:47,274 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 201 [2018-07-23 13:50:47,274 INFO L349 BasicCegarLoop]: Found error trace [2018-07-23 13:50:47,275 INFO L357 BasicCegarLoop]: trace histogram [99, 98, 1, 1, 1] [2018-07-23 13:50:47,275 INFO L414 AbstractCegarLoop]: === Iteration 99 === [ULTIMATE.startErr0AssertViolationASSERT]=== [2018-07-23 13:50:47,275 INFO L82 PathProgramCache]: Analyzing trace with hash 925303419, now seen corresponding path program 98 times [2018-07-23 13:50:47,275 INFO L69 tionRefinementEngine]: Using refinement strategy FixedRefinementStrategy [2018-07-23 13:50:47,402 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-07-23 13:50:47,965 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 13:50:47,965 INFO L309 seRefinementStrategy]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2018-07-23 13:50:47,966 INFO L324 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [100] total 100 [2018-07-23 13:50:47,966 INFO L142 lantAutomatonBuilder]: Constructing canonical interpolant automaton, with selfloop in false state [2018-07-23 13:50:47,966 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-07-23 13:50:47,966 INFO L185 omatonBuilderFactory]: Interpolants [46218#true, 46219#false, 46220#(and (<= ULTIMATE.start_main_~x~4 0) (<= 0 ULTIMATE.start_main_~x~4)), 46221#(and (<= ULTIMATE.start_main_~x~4 1) (<= 1 ULTIMATE.start_main_~x~4)), 46222#(and (<= 2 ULTIMATE.start_main_~x~4) (<= ULTIMATE.start_main_~x~4 2)), 46223#(and (<= 3 ULTIMATE.start_main_~x~4) (<= ULTIMATE.start_main_~x~4 3)), 46224#(and (<= ULTIMATE.start_main_~x~4 4) (<= 4 ULTIMATE.start_main_~x~4)), 46225#(and (<= ULTIMATE.start_main_~x~4 5) (<= 5 ULTIMATE.start_main_~x~4)), 46226#(and (<= 6 ULTIMATE.start_main_~x~4) (<= ULTIMATE.start_main_~x~4 6)), 46227#(and (<= ULTIMATE.start_main_~x~4 7) (<= 7 ULTIMATE.start_main_~x~4)), 46228#(and (<= ULTIMATE.start_main_~x~4 8) (<= 8 ULTIMATE.start_main_~x~4)), 46229#(and (<= 9 ULTIMATE.start_main_~x~4) (<= ULTIMATE.start_main_~x~4 9)), 46230#(and (<= ULTIMATE.start_main_~x~4 10) (<= 10 ULTIMATE.start_main_~x~4)), 46231#(and (<= ULTIMATE.start_main_~x~4 11) (<= 11 ULTIMATE.start_main_~x~4)), 46232#(and (<= 12 ULTIMATE.start_main_~x~4) (<= ULTIMATE.start_main_~x~4 12)), 46233#(and (<= ULTIMATE.start_main_~x~4 13) (<= 13 ULTIMATE.start_main_~x~4)), 46234#(and (<= 14 ULTIMATE.start_main_~x~4) (<= ULTIMATE.start_main_~x~4 14)), 46235#(and (<= 15 ULTIMATE.start_main_~x~4) (<= ULTIMATE.start_main_~x~4 15)), 46236#(and (<= ULTIMATE.start_main_~x~4 16) (<= 16 ULTIMATE.start_main_~x~4)), 46237#(and (<= ULTIMATE.start_main_~x~4 17) (<= 17 ULTIMATE.start_main_~x~4)), 46238#(and (<= 18 ULTIMATE.start_main_~x~4) (<= ULTIMATE.start_main_~x~4 18)), 46239#(and (<= 19 ULTIMATE.start_main_~x~4) (<= ULTIMATE.start_main_~x~4 19)), 46240#(and (<= 20 ULTIMATE.start_main_~x~4) (<= ULTIMATE.start_main_~x~4 20)), 46241#(and (<= ULTIMATE.start_main_~x~4 21) (<= 21 ULTIMATE.start_main_~x~4)), 46242#(and (<= ULTIMATE.start_main_~x~4 22) (<= 22 ULTIMATE.start_main_~x~4)), 46243#(and (<= ULTIMATE.start_main_~x~4 23) (<= 23 ULTIMATE.start_main_~x~4)), 46244#(and (<= ULTIMATE.start_main_~x~4 24) (<= 24 ULTIMATE.start_main_~x~4)), 46245#(and (<= ULTIMATE.start_main_~x~4 25) (<= 25 ULTIMATE.start_main_~x~4)), 46246#(and (<= ULTIMATE.start_main_~x~4 26) (<= 26 ULTIMATE.start_main_~x~4)), 46247#(and (<= ULTIMATE.start_main_~x~4 27) (<= 27 ULTIMATE.start_main_~x~4)), 46248#(and (<= ULTIMATE.start_main_~x~4 28) (<= 28 ULTIMATE.start_main_~x~4)), 46249#(and (<= 29 ULTIMATE.start_main_~x~4) (<= ULTIMATE.start_main_~x~4 29)), 46250#(and (<= ULTIMATE.start_main_~x~4 30) (<= 30 ULTIMATE.start_main_~x~4)), 46251#(and (<= ULTIMATE.start_main_~x~4 31) (<= 31 ULTIMATE.start_main_~x~4)), 46252#(and (<= ULTIMATE.start_main_~x~4 32) (<= 32 ULTIMATE.start_main_~x~4)), 46253#(and (<= ULTIMATE.start_main_~x~4 33) (<= 33 ULTIMATE.start_main_~x~4)), 46254#(and (<= 34 ULTIMATE.start_main_~x~4) (<= ULTIMATE.start_main_~x~4 34)), 46255#(and (<= ULTIMATE.start_main_~x~4 35) (<= 35 ULTIMATE.start_main_~x~4)), 46256#(and (<= 36 ULTIMATE.start_main_~x~4) (<= ULTIMATE.start_main_~x~4 36)), 46257#(and (<= ULTIMATE.start_main_~x~4 37) (<= 37 ULTIMATE.start_main_~x~4)), 46258#(and (<= 38 ULTIMATE.start_main_~x~4) (<= ULTIMATE.start_main_~x~4 38)), 46259#(and (<= ULTIMATE.start_main_~x~4 39) (<= 39 ULTIMATE.start_main_~x~4)), 46260#(and (<= ULTIMATE.start_main_~x~4 40) (<= 40 ULTIMATE.start_main_~x~4)), 46261#(and (<= ULTIMATE.start_main_~x~4 41) (<= 41 ULTIMATE.start_main_~x~4)), 46262#(and (<= ULTIMATE.start_main_~x~4 42) (<= 42 ULTIMATE.start_main_~x~4)), 46263#(and (<= ULTIMATE.start_main_~x~4 43) (<= 43 ULTIMATE.start_main_~x~4)), 46264#(and (<= 44 ULTIMATE.start_main_~x~4) (<= ULTIMATE.start_main_~x~4 44)), 46265#(and (<= 45 ULTIMATE.start_main_~x~4) (<= ULTIMATE.start_main_~x~4 45)), 46266#(and (<= ULTIMATE.start_main_~x~4 46) (<= 46 ULTIMATE.start_main_~x~4)), 46267#(and (<= 47 ULTIMATE.start_main_~x~4) (<= ULTIMATE.start_main_~x~4 47)), 46268#(and (<= 48 ULTIMATE.start_main_~x~4) (<= ULTIMATE.start_main_~x~4 48)), 46269#(and (<= 49 ULTIMATE.start_main_~x~4) (<= ULTIMATE.start_main_~x~4 49)), 46270#(and (<= ULTIMATE.start_main_~x~4 50) (<= 50 ULTIMATE.start_main_~x~4)), 46271#(and (<= 51 ULTIMATE.start_main_~x~4) (<= ULTIMATE.start_main_~x~4 51)), 46272#(and (<= ULTIMATE.start_main_~x~4 52) (<= 52 ULTIMATE.start_main_~x~4)), 46273#(and (<= 53 ULTIMATE.start_main_~x~4) (<= ULTIMATE.start_main_~x~4 53)), 46274#(and (<= ULTIMATE.start_main_~x~4 54) (<= 54 ULTIMATE.start_main_~x~4)), 46275#(and (<= 55 ULTIMATE.start_main_~x~4) (<= ULTIMATE.start_main_~x~4 55)), 46276#(and (<= 56 ULTIMATE.start_main_~x~4) (<= ULTIMATE.start_main_~x~4 56)), 46277#(and (<= 57 ULTIMATE.start_main_~x~4) (<= ULTIMATE.start_main_~x~4 57)), 46278#(and (<= 58 ULTIMATE.start_main_~x~4) (<= ULTIMATE.start_main_~x~4 58)), 46279#(and (<= ULTIMATE.start_main_~x~4 59) (<= 59 ULTIMATE.start_main_~x~4)), 46280#(and (<= 60 ULTIMATE.start_main_~x~4) (<= ULTIMATE.start_main_~x~4 60)), 46281#(and (<= 61 ULTIMATE.start_main_~x~4) (<= ULTIMATE.start_main_~x~4 61)), 46282#(and (<= ULTIMATE.start_main_~x~4 62) (<= 62 ULTIMATE.start_main_~x~4)), 46283#(and (<= 63 ULTIMATE.start_main_~x~4) (<= ULTIMATE.start_main_~x~4 63)), 46284#(and (<= ULTIMATE.start_main_~x~4 64) (<= 64 ULTIMATE.start_main_~x~4)), 46285#(and (<= 65 ULTIMATE.start_main_~x~4) (<= ULTIMATE.start_main_~x~4 65)), 46286#(and (<= 66 ULTIMATE.start_main_~x~4) (<= ULTIMATE.start_main_~x~4 66)), 46287#(and (<= 67 ULTIMATE.start_main_~x~4) (<= ULTIMATE.start_main_~x~4 67)), 46288#(and (<= ULTIMATE.start_main_~x~4 68) (<= 68 ULTIMATE.start_main_~x~4)), 46289#(and (<= 69 ULTIMATE.start_main_~x~4) (<= ULTIMATE.start_main_~x~4 69)), 46290#(and (<= ULTIMATE.start_main_~x~4 70) (<= 70 ULTIMATE.start_main_~x~4)), 46291#(and (<= 71 ULTIMATE.start_main_~x~4) (<= ULTIMATE.start_main_~x~4 71)), 46292#(and (<= 72 ULTIMATE.start_main_~x~4) (<= ULTIMATE.start_main_~x~4 72)), 46293#(and (<= ULTIMATE.start_main_~x~4 73) (<= 73 ULTIMATE.start_main_~x~4)), 46294#(and (<= 74 ULTIMATE.start_main_~x~4) (<= ULTIMATE.start_main_~x~4 74)), 46295#(and (<= ULTIMATE.start_main_~x~4 75) (<= 75 ULTIMATE.start_main_~x~4)), 46296#(and (<= ULTIMATE.start_main_~x~4 76) (<= 76 ULTIMATE.start_main_~x~4)), 46297#(and (<= ULTIMATE.start_main_~x~4 77) (<= 77 ULTIMATE.start_main_~x~4)), 46298#(and (<= ULTIMATE.start_main_~x~4 78) (<= 78 ULTIMATE.start_main_~x~4)), 46299#(and (<= 79 ULTIMATE.start_main_~x~4) (<= ULTIMATE.start_main_~x~4 79)), 46300#(and (<= ULTIMATE.start_main_~x~4 80) (<= 80 ULTIMATE.start_main_~x~4)), 46301#(and (<= ULTIMATE.start_main_~x~4 81) (<= 81 ULTIMATE.start_main_~x~4)), 46302#(and (<= ULTIMATE.start_main_~x~4 82) (<= 82 ULTIMATE.start_main_~x~4)), 46303#(and (<= 83 ULTIMATE.start_main_~x~4) (<= ULTIMATE.start_main_~x~4 83)), 46304#(and (<= ULTIMATE.start_main_~x~4 84) (<= 84 ULTIMATE.start_main_~x~4)), 46305#(and (<= 85 ULTIMATE.start_main_~x~4) (<= ULTIMATE.start_main_~x~4 85)), 46306#(and (<= 86 ULTIMATE.start_main_~x~4) (<= ULTIMATE.start_main_~x~4 86)), 46307#(and (<= ULTIMATE.start_main_~x~4 87) (<= 87 ULTIMATE.start_main_~x~4)), 46308#(and (<= 88 ULTIMATE.start_main_~x~4) (<= ULTIMATE.start_main_~x~4 88)), 46309#(and (<= ULTIMATE.start_main_~x~4 89) (<= 89 ULTIMATE.start_main_~x~4)), 46310#(and (<= ULTIMATE.start_main_~x~4 90) (<= 90 ULTIMATE.start_main_~x~4)), 46311#(and (<= ULTIMATE.start_main_~x~4 91) (<= 91 ULTIMATE.start_main_~x~4)), 46312#(and (<= ULTIMATE.start_main_~x~4 92) (<= 92 ULTIMATE.start_main_~x~4)), 46313#(and (<= ULTIMATE.start_main_~x~4 93) (<= 93 ULTIMATE.start_main_~x~4)), 46314#(and (<= ULTIMATE.start_main_~x~4 94) (<= 94 ULTIMATE.start_main_~x~4)), 46315#(and (<= 95 ULTIMATE.start_main_~x~4) (<= ULTIMATE.start_main_~x~4 95)), 46316#(and (<= ULTIMATE.start_main_~x~4 96) (<= 96 ULTIMATE.start_main_~x~4)), 46317#(and (<= 97 ULTIMATE.start_main_~x~4) (<= ULTIMATE.start_main_~x~4 97)), 46318#(and (<= ULTIMATE.start_main_~x~4 98) (<= 98 ULTIMATE.start_main_~x~4))] [2018-07-23 13:50:47,967 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 13:50:47,967 INFO L450 AbstractCegarLoop]: Interpolant automaton has 101 states [2018-07-23 13:50:47,967 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 101 interpolants. [2018-07-23 13:50:47,968 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=199, Invalid=9901, Unknown=0, NotChecked=0, Total=10100 [2018-07-23 13:50:47,968 INFO L87 Difference]: Start difference. First operand 201 states and 201 transitions. Second operand 101 states. [2018-07-23 13:50:48,672 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-07-23 13:50:48,672 INFO L93 Difference]: Finished difference Result 205 states and 205 transitions. [2018-07-23 13:50:48,673 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 101 states. [2018-07-23 13:50:48,673 INFO L78 Accepts]: Start accepts. Automaton has 101 states. Word has length 200 [2018-07-23 13:50:48,673 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-07-23 13:50:48,674 INFO L225 Difference]: With dead ends: 205 [2018-07-23 13:50:48,674 INFO L226 Difference]: Without dead ends: 203 [2018-07-23 13:50:48,675 INFO L575 BasicCegarLoop]: 0 DeclaredPredicates, 100 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 99 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=199, Invalid=9901, Unknown=0, NotChecked=0, Total=10100 [2018-07-23 13:50:48,675 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 203 states. [2018-07-23 13:50:48,683 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 203 to 203. [2018-07-23 13:50:48,683 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 203 states. [2018-07-23 13:50:48,683 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 203 states to 203 states and 203 transitions. [2018-07-23 13:50:48,684 INFO L78 Accepts]: Start accepts. Automaton has 203 states and 203 transitions. Word has length 200 [2018-07-23 13:50:48,684 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-07-23 13:50:48,684 INFO L471 AbstractCegarLoop]: Abstraction has 203 states and 203 transitions. [2018-07-23 13:50:48,684 INFO L472 AbstractCegarLoop]: Interpolant automaton has 101 states. [2018-07-23 13:50:48,684 INFO L276 IsEmpty]: Start isEmpty. Operand 203 states and 203 transitions. [2018-07-23 13:50:48,685 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 203 [2018-07-23 13:50:48,685 INFO L349 BasicCegarLoop]: Found error trace [2018-07-23 13:50:48,685 INFO L357 BasicCegarLoop]: trace histogram [100, 99, 1, 1, 1] [2018-07-23 13:50:48,685 INFO L414 AbstractCegarLoop]: === Iteration 100 === [ULTIMATE.startErr0AssertViolationASSERT]=== [2018-07-23 13:50:48,686 INFO L82 PathProgramCache]: Analyzing trace with hash 158407477, now seen corresponding path program 99 times [2018-07-23 13:50:48,686 INFO L69 tionRefinementEngine]: Using refinement strategy FixedRefinementStrategy [2018-07-23 13:50:48,791 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-07-23 13:50:49,319 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 13:50:49,320 INFO L309 seRefinementStrategy]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2018-07-23 13:50:49,320 INFO L324 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [101] total 101 [2018-07-23 13:50:49,320 INFO L142 lantAutomatonBuilder]: Constructing canonical interpolant automaton, with selfloop in false state [2018-07-23 13:50:49,320 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-07-23 13:50:49,321 INFO L185 omatonBuilderFactory]: Interpolants [47135#true, 47136#false, 47137#(and (<= ULTIMATE.start_main_~x~4 0) (<= 0 ULTIMATE.start_main_~x~4)), 47138#(and (<= ULTIMATE.start_main_~x~4 1) (<= 1 ULTIMATE.start_main_~x~4)), 47139#(and (<= 2 ULTIMATE.start_main_~x~4) (<= ULTIMATE.start_main_~x~4 2)), 47140#(and (<= 3 ULTIMATE.start_main_~x~4) (<= ULTIMATE.start_main_~x~4 3)), 47141#(and (<= ULTIMATE.start_main_~x~4 4) (<= 4 ULTIMATE.start_main_~x~4)), 47142#(and (<= ULTIMATE.start_main_~x~4 5) (<= 5 ULTIMATE.start_main_~x~4)), 47143#(and (<= 6 ULTIMATE.start_main_~x~4) (<= ULTIMATE.start_main_~x~4 6)), 47144#(and (<= ULTIMATE.start_main_~x~4 7) (<= 7 ULTIMATE.start_main_~x~4)), 47145#(and (<= ULTIMATE.start_main_~x~4 8) (<= 8 ULTIMATE.start_main_~x~4)), 47146#(and (<= 9 ULTIMATE.start_main_~x~4) (<= ULTIMATE.start_main_~x~4 9)), 47147#(and (<= ULTIMATE.start_main_~x~4 10) (<= 10 ULTIMATE.start_main_~x~4)), 47148#(and (<= ULTIMATE.start_main_~x~4 11) (<= 11 ULTIMATE.start_main_~x~4)), 47149#(and (<= 12 ULTIMATE.start_main_~x~4) (<= ULTIMATE.start_main_~x~4 12)), 47150#(and (<= ULTIMATE.start_main_~x~4 13) (<= 13 ULTIMATE.start_main_~x~4)), 47151#(and (<= 14 ULTIMATE.start_main_~x~4) (<= ULTIMATE.start_main_~x~4 14)), 47152#(and (<= 15 ULTIMATE.start_main_~x~4) (<= ULTIMATE.start_main_~x~4 15)), 47153#(and (<= ULTIMATE.start_main_~x~4 16) (<= 16 ULTIMATE.start_main_~x~4)), 47154#(and (<= ULTIMATE.start_main_~x~4 17) (<= 17 ULTIMATE.start_main_~x~4)), 47155#(and (<= 18 ULTIMATE.start_main_~x~4) (<= ULTIMATE.start_main_~x~4 18)), 47156#(and (<= 19 ULTIMATE.start_main_~x~4) (<= ULTIMATE.start_main_~x~4 19)), 47157#(and (<= 20 ULTIMATE.start_main_~x~4) (<= ULTIMATE.start_main_~x~4 20)), 47158#(and (<= ULTIMATE.start_main_~x~4 21) (<= 21 ULTIMATE.start_main_~x~4)), 47159#(and (<= ULTIMATE.start_main_~x~4 22) (<= 22 ULTIMATE.start_main_~x~4)), 47160#(and (<= ULTIMATE.start_main_~x~4 23) (<= 23 ULTIMATE.start_main_~x~4)), 47161#(and (<= ULTIMATE.start_main_~x~4 24) (<= 24 ULTIMATE.start_main_~x~4)), 47162#(and (<= ULTIMATE.start_main_~x~4 25) (<= 25 ULTIMATE.start_main_~x~4)), 47163#(and (<= ULTIMATE.start_main_~x~4 26) (<= 26 ULTIMATE.start_main_~x~4)), 47164#(and (<= ULTIMATE.start_main_~x~4 27) (<= 27 ULTIMATE.start_main_~x~4)), 47165#(and (<= ULTIMATE.start_main_~x~4 28) (<= 28 ULTIMATE.start_main_~x~4)), 47166#(and (<= 29 ULTIMATE.start_main_~x~4) (<= ULTIMATE.start_main_~x~4 29)), 47167#(and (<= ULTIMATE.start_main_~x~4 30) (<= 30 ULTIMATE.start_main_~x~4)), 47168#(and (<= ULTIMATE.start_main_~x~4 31) (<= 31 ULTIMATE.start_main_~x~4)), 47169#(and (<= ULTIMATE.start_main_~x~4 32) (<= 32 ULTIMATE.start_main_~x~4)), 47170#(and (<= ULTIMATE.start_main_~x~4 33) (<= 33 ULTIMATE.start_main_~x~4)), 47171#(and (<= 34 ULTIMATE.start_main_~x~4) (<= ULTIMATE.start_main_~x~4 34)), 47172#(and (<= ULTIMATE.start_main_~x~4 35) (<= 35 ULTIMATE.start_main_~x~4)), 47173#(and (<= 36 ULTIMATE.start_main_~x~4) (<= ULTIMATE.start_main_~x~4 36)), 47174#(and (<= ULTIMATE.start_main_~x~4 37) (<= 37 ULTIMATE.start_main_~x~4)), 47175#(and (<= 38 ULTIMATE.start_main_~x~4) (<= ULTIMATE.start_main_~x~4 38)), 47176#(and (<= ULTIMATE.start_main_~x~4 39) (<= 39 ULTIMATE.start_main_~x~4)), 47177#(and (<= ULTIMATE.start_main_~x~4 40) (<= 40 ULTIMATE.start_main_~x~4)), 47178#(and (<= ULTIMATE.start_main_~x~4 41) (<= 41 ULTIMATE.start_main_~x~4)), 47179#(and (<= ULTIMATE.start_main_~x~4 42) (<= 42 ULTIMATE.start_main_~x~4)), 47180#(and (<= ULTIMATE.start_main_~x~4 43) (<= 43 ULTIMATE.start_main_~x~4)), 47181#(and (<= 44 ULTIMATE.start_main_~x~4) (<= ULTIMATE.start_main_~x~4 44)), 47182#(and (<= 45 ULTIMATE.start_main_~x~4) (<= ULTIMATE.start_main_~x~4 45)), 47183#(and (<= ULTIMATE.start_main_~x~4 46) (<= 46 ULTIMATE.start_main_~x~4)), 47184#(and (<= 47 ULTIMATE.start_main_~x~4) (<= ULTIMATE.start_main_~x~4 47)), 47185#(and (<= 48 ULTIMATE.start_main_~x~4) (<= ULTIMATE.start_main_~x~4 48)), 47186#(and (<= 49 ULTIMATE.start_main_~x~4) (<= ULTIMATE.start_main_~x~4 49)), 47187#(and (<= ULTIMATE.start_main_~x~4 50) (<= 50 ULTIMATE.start_main_~x~4)), 47188#(and (<= 51 ULTIMATE.start_main_~x~4) (<= ULTIMATE.start_main_~x~4 51)), 47189#(and (<= ULTIMATE.start_main_~x~4 52) (<= 52 ULTIMATE.start_main_~x~4)), 47190#(and (<= 53 ULTIMATE.start_main_~x~4) (<= ULTIMATE.start_main_~x~4 53)), 47191#(and (<= ULTIMATE.start_main_~x~4 54) (<= 54 ULTIMATE.start_main_~x~4)), 47192#(and (<= 55 ULTIMATE.start_main_~x~4) (<= ULTIMATE.start_main_~x~4 55)), 47193#(and (<= 56 ULTIMATE.start_main_~x~4) (<= ULTIMATE.start_main_~x~4 56)), 47194#(and (<= 57 ULTIMATE.start_main_~x~4) (<= ULTIMATE.start_main_~x~4 57)), 47195#(and (<= 58 ULTIMATE.start_main_~x~4) (<= ULTIMATE.start_main_~x~4 58)), 47196#(and (<= ULTIMATE.start_main_~x~4 59) (<= 59 ULTIMATE.start_main_~x~4)), 47197#(and (<= 60 ULTIMATE.start_main_~x~4) (<= ULTIMATE.start_main_~x~4 60)), 47198#(and (<= 61 ULTIMATE.start_main_~x~4) (<= ULTIMATE.start_main_~x~4 61)), 47199#(and (<= ULTIMATE.start_main_~x~4 62) (<= 62 ULTIMATE.start_main_~x~4)), 47200#(and (<= 63 ULTIMATE.start_main_~x~4) (<= ULTIMATE.start_main_~x~4 63)), 47201#(and (<= ULTIMATE.start_main_~x~4 64) (<= 64 ULTIMATE.start_main_~x~4)), 47202#(and (<= 65 ULTIMATE.start_main_~x~4) (<= ULTIMATE.start_main_~x~4 65)), 47203#(and (<= 66 ULTIMATE.start_main_~x~4) (<= ULTIMATE.start_main_~x~4 66)), 47204#(and (<= 67 ULTIMATE.start_main_~x~4) (<= ULTIMATE.start_main_~x~4 67)), 47205#(and (<= ULTIMATE.start_main_~x~4 68) (<= 68 ULTIMATE.start_main_~x~4)), 47206#(and (<= 69 ULTIMATE.start_main_~x~4) (<= ULTIMATE.start_main_~x~4 69)), 47207#(and (<= ULTIMATE.start_main_~x~4 70) (<= 70 ULTIMATE.start_main_~x~4)), 47208#(and (<= 71 ULTIMATE.start_main_~x~4) (<= ULTIMATE.start_main_~x~4 71)), 47209#(and (<= 72 ULTIMATE.start_main_~x~4) (<= ULTIMATE.start_main_~x~4 72)), 47210#(and (<= ULTIMATE.start_main_~x~4 73) (<= 73 ULTIMATE.start_main_~x~4)), 47211#(and (<= 74 ULTIMATE.start_main_~x~4) (<= ULTIMATE.start_main_~x~4 74)), 47212#(and (<= ULTIMATE.start_main_~x~4 75) (<= 75 ULTIMATE.start_main_~x~4)), 47213#(and (<= ULTIMATE.start_main_~x~4 76) (<= 76 ULTIMATE.start_main_~x~4)), 47214#(and (<= ULTIMATE.start_main_~x~4 77) (<= 77 ULTIMATE.start_main_~x~4)), 47215#(and (<= ULTIMATE.start_main_~x~4 78) (<= 78 ULTIMATE.start_main_~x~4)), 47216#(and (<= 79 ULTIMATE.start_main_~x~4) (<= ULTIMATE.start_main_~x~4 79)), 47217#(and (<= ULTIMATE.start_main_~x~4 80) (<= 80 ULTIMATE.start_main_~x~4)), 47218#(and (<= ULTIMATE.start_main_~x~4 81) (<= 81 ULTIMATE.start_main_~x~4)), 47219#(and (<= ULTIMATE.start_main_~x~4 82) (<= 82 ULTIMATE.start_main_~x~4)), 47220#(and (<= 83 ULTIMATE.start_main_~x~4) (<= ULTIMATE.start_main_~x~4 83)), 47221#(and (<= ULTIMATE.start_main_~x~4 84) (<= 84 ULTIMATE.start_main_~x~4)), 47222#(and (<= 85 ULTIMATE.start_main_~x~4) (<= ULTIMATE.start_main_~x~4 85)), 47223#(and (<= 86 ULTIMATE.start_main_~x~4) (<= ULTIMATE.start_main_~x~4 86)), 47224#(and (<= ULTIMATE.start_main_~x~4 87) (<= 87 ULTIMATE.start_main_~x~4)), 47225#(and (<= 88 ULTIMATE.start_main_~x~4) (<= ULTIMATE.start_main_~x~4 88)), 47226#(and (<= ULTIMATE.start_main_~x~4 89) (<= 89 ULTIMATE.start_main_~x~4)), 47227#(and (<= ULTIMATE.start_main_~x~4 90) (<= 90 ULTIMATE.start_main_~x~4)), 47228#(and (<= ULTIMATE.start_main_~x~4 91) (<= 91 ULTIMATE.start_main_~x~4)), 47229#(and (<= ULTIMATE.start_main_~x~4 92) (<= 92 ULTIMATE.start_main_~x~4)), 47230#(and (<= ULTIMATE.start_main_~x~4 93) (<= 93 ULTIMATE.start_main_~x~4)), 47231#(and (<= ULTIMATE.start_main_~x~4 94) (<= 94 ULTIMATE.start_main_~x~4)), 47232#(and (<= 95 ULTIMATE.start_main_~x~4) (<= ULTIMATE.start_main_~x~4 95)), 47233#(and (<= ULTIMATE.start_main_~x~4 96) (<= 96 ULTIMATE.start_main_~x~4)), 47234#(and (<= 97 ULTIMATE.start_main_~x~4) (<= ULTIMATE.start_main_~x~4 97)), 47235#(and (<= ULTIMATE.start_main_~x~4 98) (<= 98 ULTIMATE.start_main_~x~4)), 47236#(and (<= 99 ULTIMATE.start_main_~x~4) (<= ULTIMATE.start_main_~x~4 99))] [2018-07-23 13:50:49,322 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 13:50:49,322 INFO L450 AbstractCegarLoop]: Interpolant automaton has 102 states [2018-07-23 13:50:49,322 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 102 interpolants. [2018-07-23 13:50:49,323 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=201, Invalid=10101, Unknown=0, NotChecked=0, Total=10302 [2018-07-23 13:50:49,323 INFO L87 Difference]: Start difference. First operand 203 states and 203 transitions. Second operand 102 states. [2018-07-23 13:50:50,039 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-07-23 13:50:50,039 INFO L93 Difference]: Finished difference Result 207 states and 207 transitions. [2018-07-23 13:50:50,039 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 102 states. [2018-07-23 13:50:50,040 INFO L78 Accepts]: Start accepts. Automaton has 102 states. Word has length 202 [2018-07-23 13:50:50,040 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-07-23 13:50:50,041 INFO L225 Difference]: With dead ends: 207 [2018-07-23 13:50:50,041 INFO L226 Difference]: Without dead ends: 205 [2018-07-23 13:50:50,042 INFO L575 BasicCegarLoop]: 0 DeclaredPredicates, 101 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 100 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.4s TimeCoverageRelationStatistics Valid=201, Invalid=10101, Unknown=0, NotChecked=0, Total=10302 [2018-07-23 13:50:50,042 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 205 states. [2018-07-23 13:50:50,048 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 205 to 205. [2018-07-23 13:50:50,048 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 205 states. [2018-07-23 13:50:50,048 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 205 states to 205 states and 205 transitions. [2018-07-23 13:50:50,049 INFO L78 Accepts]: Start accepts. Automaton has 205 states and 205 transitions. Word has length 202 [2018-07-23 13:50:50,049 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-07-23 13:50:50,049 INFO L471 AbstractCegarLoop]: Abstraction has 205 states and 205 transitions. [2018-07-23 13:50:50,049 INFO L472 AbstractCegarLoop]: Interpolant automaton has 102 states. [2018-07-23 13:50:50,049 INFO L276 IsEmpty]: Start isEmpty. Operand 205 states and 205 transitions. [2018-07-23 13:50:50,050 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 205 [2018-07-23 13:50:50,050 INFO L349 BasicCegarLoop]: Found error trace [2018-07-23 13:50:50,050 INFO L357 BasicCegarLoop]: trace histogram [101, 100, 1, 1, 1] [2018-07-23 13:50:50,050 INFO L414 AbstractCegarLoop]: === Iteration 101 === [ULTIMATE.startErr0AssertViolationASSERT]=== [2018-07-23 13:50:50,050 INFO L82 PathProgramCache]: Analyzing trace with hash 1905782127, now seen corresponding path program 100 times [2018-07-23 13:50:50,050 INFO L69 tionRefinementEngine]: Using refinement strategy FixedRefinementStrategy [2018-07-23 13:50:50,153 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-07-23 13:50:50,694 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 13:50:50,694 INFO L309 seRefinementStrategy]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2018-07-23 13:50:50,694 INFO L324 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [102] total 102 [2018-07-23 13:50:50,695 INFO L142 lantAutomatonBuilder]: Constructing canonical interpolant automaton, with selfloop in false state [2018-07-23 13:50:50,695 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-07-23 13:50:50,695 INFO L185 omatonBuilderFactory]: Interpolants [48128#(and (<= 65 ULTIMATE.start_main_~x~4) (<= ULTIMATE.start_main_~x~4 65)), 48129#(and (<= 66 ULTIMATE.start_main_~x~4) (<= ULTIMATE.start_main_~x~4 66)), 48130#(and (<= 67 ULTIMATE.start_main_~x~4) (<= ULTIMATE.start_main_~x~4 67)), 48131#(and (<= ULTIMATE.start_main_~x~4 68) (<= 68 ULTIMATE.start_main_~x~4)), 48132#(and (<= 69 ULTIMATE.start_main_~x~4) (<= ULTIMATE.start_main_~x~4 69)), 48133#(and (<= ULTIMATE.start_main_~x~4 70) (<= 70 ULTIMATE.start_main_~x~4)), 48134#(and (<= 71 ULTIMATE.start_main_~x~4) (<= ULTIMATE.start_main_~x~4 71)), 48135#(and (<= 72 ULTIMATE.start_main_~x~4) (<= ULTIMATE.start_main_~x~4 72)), 48136#(and (<= ULTIMATE.start_main_~x~4 73) (<= 73 ULTIMATE.start_main_~x~4)), 48137#(and (<= 74 ULTIMATE.start_main_~x~4) (<= ULTIMATE.start_main_~x~4 74)), 48138#(and (<= ULTIMATE.start_main_~x~4 75) (<= 75 ULTIMATE.start_main_~x~4)), 48139#(and (<= ULTIMATE.start_main_~x~4 76) (<= 76 ULTIMATE.start_main_~x~4)), 48140#(and (<= ULTIMATE.start_main_~x~4 77) (<= 77 ULTIMATE.start_main_~x~4)), 48141#(and (<= ULTIMATE.start_main_~x~4 78) (<= 78 ULTIMATE.start_main_~x~4)), 48142#(and (<= 79 ULTIMATE.start_main_~x~4) (<= ULTIMATE.start_main_~x~4 79)), 48143#(and (<= ULTIMATE.start_main_~x~4 80) (<= 80 ULTIMATE.start_main_~x~4)), 48144#(and (<= ULTIMATE.start_main_~x~4 81) (<= 81 ULTIMATE.start_main_~x~4)), 48145#(and (<= ULTIMATE.start_main_~x~4 82) (<= 82 ULTIMATE.start_main_~x~4)), 48146#(and (<= 83 ULTIMATE.start_main_~x~4) (<= ULTIMATE.start_main_~x~4 83)), 48147#(and (<= ULTIMATE.start_main_~x~4 84) (<= 84 ULTIMATE.start_main_~x~4)), 48148#(and (<= 85 ULTIMATE.start_main_~x~4) (<= ULTIMATE.start_main_~x~4 85)), 48149#(and (<= 86 ULTIMATE.start_main_~x~4) (<= ULTIMATE.start_main_~x~4 86)), 48150#(and (<= ULTIMATE.start_main_~x~4 87) (<= 87 ULTIMATE.start_main_~x~4)), 48151#(and (<= 88 ULTIMATE.start_main_~x~4) (<= ULTIMATE.start_main_~x~4 88)), 48152#(and (<= ULTIMATE.start_main_~x~4 89) (<= 89 ULTIMATE.start_main_~x~4)), 48153#(and (<= ULTIMATE.start_main_~x~4 90) (<= 90 ULTIMATE.start_main_~x~4)), 48154#(and (<= ULTIMATE.start_main_~x~4 91) (<= 91 ULTIMATE.start_main_~x~4)), 48155#(and (<= ULTIMATE.start_main_~x~4 92) (<= 92 ULTIMATE.start_main_~x~4)), 48156#(and (<= ULTIMATE.start_main_~x~4 93) (<= 93 ULTIMATE.start_main_~x~4)), 48157#(and (<= ULTIMATE.start_main_~x~4 94) (<= 94 ULTIMATE.start_main_~x~4)), 48158#(and (<= 95 ULTIMATE.start_main_~x~4) (<= ULTIMATE.start_main_~x~4 95)), 48159#(and (<= ULTIMATE.start_main_~x~4 96) (<= 96 ULTIMATE.start_main_~x~4)), 48160#(and (<= 97 ULTIMATE.start_main_~x~4) (<= ULTIMATE.start_main_~x~4 97)), 48161#(and (<= ULTIMATE.start_main_~x~4 98) (<= 98 ULTIMATE.start_main_~x~4)), 48162#(and (<= 99 ULTIMATE.start_main_~x~4) (<= ULTIMATE.start_main_~x~4 99)), 48163#(and (<= ULTIMATE.start_main_~x~4 100) (<= 100 ULTIMATE.start_main_~x~4)), 48061#true, 48062#false, 48063#(and (<= ULTIMATE.start_main_~x~4 0) (<= 0 ULTIMATE.start_main_~x~4)), 48064#(and (<= ULTIMATE.start_main_~x~4 1) (<= 1 ULTIMATE.start_main_~x~4)), 48065#(and (<= 2 ULTIMATE.start_main_~x~4) (<= ULTIMATE.start_main_~x~4 2)), 48066#(and (<= 3 ULTIMATE.start_main_~x~4) (<= ULTIMATE.start_main_~x~4 3)), 48067#(and (<= ULTIMATE.start_main_~x~4 4) (<= 4 ULTIMATE.start_main_~x~4)), 48068#(and (<= ULTIMATE.start_main_~x~4 5) (<= 5 ULTIMATE.start_main_~x~4)), 48069#(and (<= 6 ULTIMATE.start_main_~x~4) (<= ULTIMATE.start_main_~x~4 6)), 48070#(and (<= ULTIMATE.start_main_~x~4 7) (<= 7 ULTIMATE.start_main_~x~4)), 48071#(and (<= ULTIMATE.start_main_~x~4 8) (<= 8 ULTIMATE.start_main_~x~4)), 48072#(and (<= 9 ULTIMATE.start_main_~x~4) (<= ULTIMATE.start_main_~x~4 9)), 48073#(and (<= ULTIMATE.start_main_~x~4 10) (<= 10 ULTIMATE.start_main_~x~4)), 48074#(and (<= ULTIMATE.start_main_~x~4 11) (<= 11 ULTIMATE.start_main_~x~4)), 48075#(and (<= 12 ULTIMATE.start_main_~x~4) (<= ULTIMATE.start_main_~x~4 12)), 48076#(and (<= ULTIMATE.start_main_~x~4 13) (<= 13 ULTIMATE.start_main_~x~4)), 48077#(and (<= 14 ULTIMATE.start_main_~x~4) (<= ULTIMATE.start_main_~x~4 14)), 48078#(and (<= 15 ULTIMATE.start_main_~x~4) (<= ULTIMATE.start_main_~x~4 15)), 48079#(and (<= ULTIMATE.start_main_~x~4 16) (<= 16 ULTIMATE.start_main_~x~4)), 48080#(and (<= ULTIMATE.start_main_~x~4 17) (<= 17 ULTIMATE.start_main_~x~4)), 48081#(and (<= 18 ULTIMATE.start_main_~x~4) (<= ULTIMATE.start_main_~x~4 18)), 48082#(and (<= 19 ULTIMATE.start_main_~x~4) (<= ULTIMATE.start_main_~x~4 19)), 48083#(and (<= 20 ULTIMATE.start_main_~x~4) (<= ULTIMATE.start_main_~x~4 20)), 48084#(and (<= ULTIMATE.start_main_~x~4 21) (<= 21 ULTIMATE.start_main_~x~4)), 48085#(and (<= ULTIMATE.start_main_~x~4 22) (<= 22 ULTIMATE.start_main_~x~4)), 48086#(and (<= ULTIMATE.start_main_~x~4 23) (<= 23 ULTIMATE.start_main_~x~4)), 48087#(and (<= ULTIMATE.start_main_~x~4 24) (<= 24 ULTIMATE.start_main_~x~4)), 48088#(and (<= ULTIMATE.start_main_~x~4 25) (<= 25 ULTIMATE.start_main_~x~4)), 48089#(and (<= ULTIMATE.start_main_~x~4 26) (<= 26 ULTIMATE.start_main_~x~4)), 48090#(and (<= ULTIMATE.start_main_~x~4 27) (<= 27 ULTIMATE.start_main_~x~4)), 48091#(and (<= ULTIMATE.start_main_~x~4 28) (<= 28 ULTIMATE.start_main_~x~4)), 48092#(and (<= 29 ULTIMATE.start_main_~x~4) (<= ULTIMATE.start_main_~x~4 29)), 48093#(and (<= ULTIMATE.start_main_~x~4 30) (<= 30 ULTIMATE.start_main_~x~4)), 48094#(and (<= ULTIMATE.start_main_~x~4 31) (<= 31 ULTIMATE.start_main_~x~4)), 48095#(and (<= ULTIMATE.start_main_~x~4 32) (<= 32 ULTIMATE.start_main_~x~4)), 48096#(and (<= ULTIMATE.start_main_~x~4 33) (<= 33 ULTIMATE.start_main_~x~4)), 48097#(and (<= 34 ULTIMATE.start_main_~x~4) (<= ULTIMATE.start_main_~x~4 34)), 48098#(and (<= ULTIMATE.start_main_~x~4 35) (<= 35 ULTIMATE.start_main_~x~4)), 48099#(and (<= 36 ULTIMATE.start_main_~x~4) (<= ULTIMATE.start_main_~x~4 36)), 48100#(and (<= ULTIMATE.start_main_~x~4 37) (<= 37 ULTIMATE.start_main_~x~4)), 48101#(and (<= 38 ULTIMATE.start_main_~x~4) (<= ULTIMATE.start_main_~x~4 38)), 48102#(and (<= ULTIMATE.start_main_~x~4 39) (<= 39 ULTIMATE.start_main_~x~4)), 48103#(and (<= ULTIMATE.start_main_~x~4 40) (<= 40 ULTIMATE.start_main_~x~4)), 48104#(and (<= ULTIMATE.start_main_~x~4 41) (<= 41 ULTIMATE.start_main_~x~4)), 48105#(and (<= ULTIMATE.start_main_~x~4 42) (<= 42 ULTIMATE.start_main_~x~4)), 48106#(and (<= ULTIMATE.start_main_~x~4 43) (<= 43 ULTIMATE.start_main_~x~4)), 48107#(and (<= 44 ULTIMATE.start_main_~x~4) (<= ULTIMATE.start_main_~x~4 44)), 48108#(and (<= 45 ULTIMATE.start_main_~x~4) (<= ULTIMATE.start_main_~x~4 45)), 48109#(and (<= ULTIMATE.start_main_~x~4 46) (<= 46 ULTIMATE.start_main_~x~4)), 48110#(and (<= 47 ULTIMATE.start_main_~x~4) (<= ULTIMATE.start_main_~x~4 47)), 48111#(and (<= 48 ULTIMATE.start_main_~x~4) (<= ULTIMATE.start_main_~x~4 48)), 48112#(and (<= 49 ULTIMATE.start_main_~x~4) (<= ULTIMATE.start_main_~x~4 49)), 48113#(and (<= ULTIMATE.start_main_~x~4 50) (<= 50 ULTIMATE.start_main_~x~4)), 48114#(and (<= 51 ULTIMATE.start_main_~x~4) (<= ULTIMATE.start_main_~x~4 51)), 48115#(and (<= ULTIMATE.start_main_~x~4 52) (<= 52 ULTIMATE.start_main_~x~4)), 48116#(and (<= 53 ULTIMATE.start_main_~x~4) (<= ULTIMATE.start_main_~x~4 53)), 48117#(and (<= ULTIMATE.start_main_~x~4 54) (<= 54 ULTIMATE.start_main_~x~4)), 48118#(and (<= 55 ULTIMATE.start_main_~x~4) (<= ULTIMATE.start_main_~x~4 55)), 48119#(and (<= 56 ULTIMATE.start_main_~x~4) (<= ULTIMATE.start_main_~x~4 56)), 48120#(and (<= 57 ULTIMATE.start_main_~x~4) (<= ULTIMATE.start_main_~x~4 57)), 48121#(and (<= 58 ULTIMATE.start_main_~x~4) (<= ULTIMATE.start_main_~x~4 58)), 48122#(and (<= ULTIMATE.start_main_~x~4 59) (<= 59 ULTIMATE.start_main_~x~4)), 48123#(and (<= 60 ULTIMATE.start_main_~x~4) (<= ULTIMATE.start_main_~x~4 60)), 48124#(and (<= 61 ULTIMATE.start_main_~x~4) (<= ULTIMATE.start_main_~x~4 61)), 48125#(and (<= ULTIMATE.start_main_~x~4 62) (<= 62 ULTIMATE.start_main_~x~4)), 48126#(and (<= 63 ULTIMATE.start_main_~x~4) (<= ULTIMATE.start_main_~x~4 63)), 48127#(and (<= ULTIMATE.start_main_~x~4 64) (<= 64 ULTIMATE.start_main_~x~4))] [2018-07-23 13:50:50,696 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 13:50:50,696 INFO L450 AbstractCegarLoop]: Interpolant automaton has 103 states [2018-07-23 13:50:50,696 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 103 interpolants. [2018-07-23 13:50:50,697 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=203, Invalid=10303, Unknown=0, NotChecked=0, Total=10506 [2018-07-23 13:50:50,697 INFO L87 Difference]: Start difference. First operand 205 states and 205 transitions. Second operand 103 states. [2018-07-23 13:50:51,450 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-07-23 13:50:51,450 INFO L93 Difference]: Finished difference Result 209 states and 209 transitions. [2018-07-23 13:50:51,450 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 103 states. [2018-07-23 13:50:51,450 INFO L78 Accepts]: Start accepts. Automaton has 103 states. Word has length 204 [2018-07-23 13:50:51,451 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-07-23 13:50:51,452 INFO L225 Difference]: With dead ends: 209 [2018-07-23 13:50:51,452 INFO L226 Difference]: Without dead ends: 207 [2018-07-23 13:50:51,452 INFO L575 BasicCegarLoop]: 0 DeclaredPredicates, 102 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 101 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.4s TimeCoverageRelationStatistics Valid=203, Invalid=10303, Unknown=0, NotChecked=0, Total=10506 [2018-07-23 13:50:51,453 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 207 states. [2018-07-23 13:50:51,461 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 207 to 207. [2018-07-23 13:50:51,461 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 207 states. [2018-07-23 13:50:51,461 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 207 states to 207 states and 207 transitions. [2018-07-23 13:50:51,461 INFO L78 Accepts]: Start accepts. Automaton has 207 states and 207 transitions. Word has length 204 [2018-07-23 13:50:51,462 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-07-23 13:50:51,462 INFO L471 AbstractCegarLoop]: Abstraction has 207 states and 207 transitions. [2018-07-23 13:50:51,462 INFO L472 AbstractCegarLoop]: Interpolant automaton has 103 states. [2018-07-23 13:50:51,462 INFO L276 IsEmpty]: Start isEmpty. Operand 207 states and 207 transitions. [2018-07-23 13:50:51,463 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 207 [2018-07-23 13:50:51,463 INFO L349 BasicCegarLoop]: Found error trace [2018-07-23 13:50:51,463 INFO L357 BasicCegarLoop]: trace histogram [102, 101, 1, 1, 1] [2018-07-23 13:50:51,463 INFO L414 AbstractCegarLoop]: === Iteration 102 === [ULTIMATE.startErr0AssertViolationASSERT]=== [2018-07-23 13:50:51,464 INFO L82 PathProgramCache]: Analyzing trace with hash 1800608041, now seen corresponding path program 101 times [2018-07-23 13:50:51,464 INFO L69 tionRefinementEngine]: Using refinement strategy FixedRefinementStrategy [2018-07-23 13:50:51,574 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-07-23 13:50:52,118 INFO L134 CoverageAnalysis]: Checked inductivity of 10302 backedges. 0 proven. 10302 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-07-23 13:50:52,119 INFO L309 seRefinementStrategy]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2018-07-23 13:50:52,119 INFO L324 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [103] total 103 [2018-07-23 13:50:52,119 INFO L142 lantAutomatonBuilder]: Constructing canonical interpolant automaton, with selfloop in false state [2018-07-23 13:50:52,119 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-07-23 13:50:52,120 INFO L185 omatonBuilderFactory]: Interpolants [48996#true, 48997#false, 48998#(and (<= ULTIMATE.start_main_~x~4 0) (<= 0 ULTIMATE.start_main_~x~4)), 48999#(and (<= ULTIMATE.start_main_~x~4 1) (<= 1 ULTIMATE.start_main_~x~4)), 49000#(and (<= 2 ULTIMATE.start_main_~x~4) (<= ULTIMATE.start_main_~x~4 2)), 49001#(and (<= 3 ULTIMATE.start_main_~x~4) (<= ULTIMATE.start_main_~x~4 3)), 49002#(and (<= ULTIMATE.start_main_~x~4 4) (<= 4 ULTIMATE.start_main_~x~4)), 49003#(and (<= ULTIMATE.start_main_~x~4 5) (<= 5 ULTIMATE.start_main_~x~4)), 49004#(and (<= 6 ULTIMATE.start_main_~x~4) (<= ULTIMATE.start_main_~x~4 6)), 49005#(and (<= ULTIMATE.start_main_~x~4 7) (<= 7 ULTIMATE.start_main_~x~4)), 49006#(and (<= ULTIMATE.start_main_~x~4 8) (<= 8 ULTIMATE.start_main_~x~4)), 49007#(and (<= 9 ULTIMATE.start_main_~x~4) (<= ULTIMATE.start_main_~x~4 9)), 49008#(and (<= ULTIMATE.start_main_~x~4 10) (<= 10 ULTIMATE.start_main_~x~4)), 49009#(and (<= ULTIMATE.start_main_~x~4 11) (<= 11 ULTIMATE.start_main_~x~4)), 49010#(and (<= 12 ULTIMATE.start_main_~x~4) (<= ULTIMATE.start_main_~x~4 12)), 49011#(and (<= ULTIMATE.start_main_~x~4 13) (<= 13 ULTIMATE.start_main_~x~4)), 49012#(and (<= 14 ULTIMATE.start_main_~x~4) (<= ULTIMATE.start_main_~x~4 14)), 49013#(and (<= 15 ULTIMATE.start_main_~x~4) (<= ULTIMATE.start_main_~x~4 15)), 49014#(and (<= ULTIMATE.start_main_~x~4 16) (<= 16 ULTIMATE.start_main_~x~4)), 49015#(and (<= ULTIMATE.start_main_~x~4 17) (<= 17 ULTIMATE.start_main_~x~4)), 49016#(and (<= 18 ULTIMATE.start_main_~x~4) (<= ULTIMATE.start_main_~x~4 18)), 49017#(and (<= 19 ULTIMATE.start_main_~x~4) (<= ULTIMATE.start_main_~x~4 19)), 49018#(and (<= 20 ULTIMATE.start_main_~x~4) (<= ULTIMATE.start_main_~x~4 20)), 49019#(and (<= ULTIMATE.start_main_~x~4 21) (<= 21 ULTIMATE.start_main_~x~4)), 49020#(and (<= ULTIMATE.start_main_~x~4 22) (<= 22 ULTIMATE.start_main_~x~4)), 49021#(and (<= ULTIMATE.start_main_~x~4 23) (<= 23 ULTIMATE.start_main_~x~4)), 49022#(and (<= ULTIMATE.start_main_~x~4 24) (<= 24 ULTIMATE.start_main_~x~4)), 49023#(and (<= ULTIMATE.start_main_~x~4 25) (<= 25 ULTIMATE.start_main_~x~4)), 49024#(and (<= ULTIMATE.start_main_~x~4 26) (<= 26 ULTIMATE.start_main_~x~4)), 49025#(and (<= ULTIMATE.start_main_~x~4 27) (<= 27 ULTIMATE.start_main_~x~4)), 49026#(and (<= ULTIMATE.start_main_~x~4 28) (<= 28 ULTIMATE.start_main_~x~4)), 49027#(and (<= 29 ULTIMATE.start_main_~x~4) (<= ULTIMATE.start_main_~x~4 29)), 49028#(and (<= ULTIMATE.start_main_~x~4 30) (<= 30 ULTIMATE.start_main_~x~4)), 49029#(and (<= ULTIMATE.start_main_~x~4 31) (<= 31 ULTIMATE.start_main_~x~4)), 49030#(and (<= ULTIMATE.start_main_~x~4 32) (<= 32 ULTIMATE.start_main_~x~4)), 49031#(and (<= ULTIMATE.start_main_~x~4 33) (<= 33 ULTIMATE.start_main_~x~4)), 49032#(and (<= 34 ULTIMATE.start_main_~x~4) (<= ULTIMATE.start_main_~x~4 34)), 49033#(and (<= ULTIMATE.start_main_~x~4 35) (<= 35 ULTIMATE.start_main_~x~4)), 49034#(and (<= 36 ULTIMATE.start_main_~x~4) (<= ULTIMATE.start_main_~x~4 36)), 49035#(and (<= ULTIMATE.start_main_~x~4 37) (<= 37 ULTIMATE.start_main_~x~4)), 49036#(and (<= 38 ULTIMATE.start_main_~x~4) (<= ULTIMATE.start_main_~x~4 38)), 49037#(and (<= ULTIMATE.start_main_~x~4 39) (<= 39 ULTIMATE.start_main_~x~4)), 49038#(and (<= ULTIMATE.start_main_~x~4 40) (<= 40 ULTIMATE.start_main_~x~4)), 49039#(and (<= ULTIMATE.start_main_~x~4 41) (<= 41 ULTIMATE.start_main_~x~4)), 49040#(and (<= ULTIMATE.start_main_~x~4 42) (<= 42 ULTIMATE.start_main_~x~4)), 49041#(and (<= ULTIMATE.start_main_~x~4 43) (<= 43 ULTIMATE.start_main_~x~4)), 49042#(and (<= 44 ULTIMATE.start_main_~x~4) (<= ULTIMATE.start_main_~x~4 44)), 49043#(and (<= 45 ULTIMATE.start_main_~x~4) (<= ULTIMATE.start_main_~x~4 45)), 49044#(and (<= ULTIMATE.start_main_~x~4 46) (<= 46 ULTIMATE.start_main_~x~4)), 49045#(and (<= 47 ULTIMATE.start_main_~x~4) (<= ULTIMATE.start_main_~x~4 47)), 49046#(and (<= 48 ULTIMATE.start_main_~x~4) (<= ULTIMATE.start_main_~x~4 48)), 49047#(and (<= 49 ULTIMATE.start_main_~x~4) (<= ULTIMATE.start_main_~x~4 49)), 49048#(and (<= ULTIMATE.start_main_~x~4 50) (<= 50 ULTIMATE.start_main_~x~4)), 49049#(and (<= 51 ULTIMATE.start_main_~x~4) (<= ULTIMATE.start_main_~x~4 51)), 49050#(and (<= ULTIMATE.start_main_~x~4 52) (<= 52 ULTIMATE.start_main_~x~4)), 49051#(and (<= 53 ULTIMATE.start_main_~x~4) (<= ULTIMATE.start_main_~x~4 53)), 49052#(and (<= ULTIMATE.start_main_~x~4 54) (<= 54 ULTIMATE.start_main_~x~4)), 49053#(and (<= 55 ULTIMATE.start_main_~x~4) (<= ULTIMATE.start_main_~x~4 55)), 49054#(and (<= 56 ULTIMATE.start_main_~x~4) (<= ULTIMATE.start_main_~x~4 56)), 49055#(and (<= 57 ULTIMATE.start_main_~x~4) (<= ULTIMATE.start_main_~x~4 57)), 49056#(and (<= 58 ULTIMATE.start_main_~x~4) (<= ULTIMATE.start_main_~x~4 58)), 49057#(and (<= ULTIMATE.start_main_~x~4 59) (<= 59 ULTIMATE.start_main_~x~4)), 49058#(and (<= 60 ULTIMATE.start_main_~x~4) (<= ULTIMATE.start_main_~x~4 60)), 49059#(and (<= 61 ULTIMATE.start_main_~x~4) (<= ULTIMATE.start_main_~x~4 61)), 49060#(and (<= ULTIMATE.start_main_~x~4 62) (<= 62 ULTIMATE.start_main_~x~4)), 49061#(and (<= 63 ULTIMATE.start_main_~x~4) (<= ULTIMATE.start_main_~x~4 63)), 49062#(and (<= ULTIMATE.start_main_~x~4 64) (<= 64 ULTIMATE.start_main_~x~4)), 49063#(and (<= 65 ULTIMATE.start_main_~x~4) (<= ULTIMATE.start_main_~x~4 65)), 49064#(and (<= 66 ULTIMATE.start_main_~x~4) (<= ULTIMATE.start_main_~x~4 66)), 49065#(and (<= 67 ULTIMATE.start_main_~x~4) (<= ULTIMATE.start_main_~x~4 67)), 49066#(and (<= ULTIMATE.start_main_~x~4 68) (<= 68 ULTIMATE.start_main_~x~4)), 49067#(and (<= 69 ULTIMATE.start_main_~x~4) (<= ULTIMATE.start_main_~x~4 69)), 49068#(and (<= ULTIMATE.start_main_~x~4 70) (<= 70 ULTIMATE.start_main_~x~4)), 49069#(and (<= 71 ULTIMATE.start_main_~x~4) (<= ULTIMATE.start_main_~x~4 71)), 49070#(and (<= 72 ULTIMATE.start_main_~x~4) (<= ULTIMATE.start_main_~x~4 72)), 49071#(and (<= ULTIMATE.start_main_~x~4 73) (<= 73 ULTIMATE.start_main_~x~4)), 49072#(and (<= 74 ULTIMATE.start_main_~x~4) (<= ULTIMATE.start_main_~x~4 74)), 49073#(and (<= ULTIMATE.start_main_~x~4 75) (<= 75 ULTIMATE.start_main_~x~4)), 49074#(and (<= ULTIMATE.start_main_~x~4 76) (<= 76 ULTIMATE.start_main_~x~4)), 49075#(and (<= ULTIMATE.start_main_~x~4 77) (<= 77 ULTIMATE.start_main_~x~4)), 49076#(and (<= ULTIMATE.start_main_~x~4 78) (<= 78 ULTIMATE.start_main_~x~4)), 49077#(and (<= 79 ULTIMATE.start_main_~x~4) (<= ULTIMATE.start_main_~x~4 79)), 49078#(and (<= ULTIMATE.start_main_~x~4 80) (<= 80 ULTIMATE.start_main_~x~4)), 49079#(and (<= ULTIMATE.start_main_~x~4 81) (<= 81 ULTIMATE.start_main_~x~4)), 49080#(and (<= ULTIMATE.start_main_~x~4 82) (<= 82 ULTIMATE.start_main_~x~4)), 49081#(and (<= 83 ULTIMATE.start_main_~x~4) (<= ULTIMATE.start_main_~x~4 83)), 49082#(and (<= ULTIMATE.start_main_~x~4 84) (<= 84 ULTIMATE.start_main_~x~4)), 49083#(and (<= 85 ULTIMATE.start_main_~x~4) (<= ULTIMATE.start_main_~x~4 85)), 49084#(and (<= 86 ULTIMATE.start_main_~x~4) (<= ULTIMATE.start_main_~x~4 86)), 49085#(and (<= ULTIMATE.start_main_~x~4 87) (<= 87 ULTIMATE.start_main_~x~4)), 49086#(and (<= 88 ULTIMATE.start_main_~x~4) (<= ULTIMATE.start_main_~x~4 88)), 49087#(and (<= ULTIMATE.start_main_~x~4 89) (<= 89 ULTIMATE.start_main_~x~4)), 49088#(and (<= ULTIMATE.start_main_~x~4 90) (<= 90 ULTIMATE.start_main_~x~4)), 49089#(and (<= ULTIMATE.start_main_~x~4 91) (<= 91 ULTIMATE.start_main_~x~4)), 49090#(and (<= ULTIMATE.start_main_~x~4 92) (<= 92 ULTIMATE.start_main_~x~4)), 49091#(and (<= ULTIMATE.start_main_~x~4 93) (<= 93 ULTIMATE.start_main_~x~4)), 49092#(and (<= ULTIMATE.start_main_~x~4 94) (<= 94 ULTIMATE.start_main_~x~4)), 49093#(and (<= 95 ULTIMATE.start_main_~x~4) (<= ULTIMATE.start_main_~x~4 95)), 49094#(and (<= ULTIMATE.start_main_~x~4 96) (<= 96 ULTIMATE.start_main_~x~4)), 49095#(and (<= 97 ULTIMATE.start_main_~x~4) (<= ULTIMATE.start_main_~x~4 97)), 49096#(and (<= ULTIMATE.start_main_~x~4 98) (<= 98 ULTIMATE.start_main_~x~4)), 49097#(and (<= 99 ULTIMATE.start_main_~x~4) (<= ULTIMATE.start_main_~x~4 99)), 49098#(and (<= ULTIMATE.start_main_~x~4 100) (<= 100 ULTIMATE.start_main_~x~4)), 49099#(and (<= ULTIMATE.start_main_~x~4 101) (<= 101 ULTIMATE.start_main_~x~4))] [2018-07-23 13:50:52,120 INFO L134 CoverageAnalysis]: Checked inductivity of 10302 backedges. 0 proven. 10302 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-07-23 13:50:52,121 INFO L450 AbstractCegarLoop]: Interpolant automaton has 104 states [2018-07-23 13:50:52,121 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 104 interpolants. [2018-07-23 13:50:52,121 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=205, Invalid=10507, Unknown=0, NotChecked=0, Total=10712 [2018-07-23 13:50:52,122 INFO L87 Difference]: Start difference. First operand 207 states and 207 transitions. Second operand 104 states. [2018-07-23 13:50:52,860 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-07-23 13:50:52,860 INFO L93 Difference]: Finished difference Result 211 states and 211 transitions. [2018-07-23 13:50:52,861 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 104 states. [2018-07-23 13:50:52,861 INFO L78 Accepts]: Start accepts. Automaton has 104 states. Word has length 206 [2018-07-23 13:50:52,861 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-07-23 13:50:52,862 INFO L225 Difference]: With dead ends: 211 [2018-07-23 13:50:52,862 INFO L226 Difference]: Without dead ends: 209 [2018-07-23 13:50:52,863 INFO L575 BasicCegarLoop]: 0 DeclaredPredicates, 103 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 102 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.4s TimeCoverageRelationStatistics Valid=205, Invalid=10507, Unknown=0, NotChecked=0, Total=10712 [2018-07-23 13:50:52,863 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 209 states. [2018-07-23 13:50:52,869 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 209 to 209. [2018-07-23 13:50:52,869 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 209 states. [2018-07-23 13:50:52,869 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 209 states to 209 states and 209 transitions. [2018-07-23 13:50:52,870 INFO L78 Accepts]: Start accepts. Automaton has 209 states and 209 transitions. Word has length 206 [2018-07-23 13:50:52,870 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-07-23 13:50:52,870 INFO L471 AbstractCegarLoop]: Abstraction has 209 states and 209 transitions. [2018-07-23 13:50:52,870 INFO L472 AbstractCegarLoop]: Interpolant automaton has 104 states. [2018-07-23 13:50:52,870 INFO L276 IsEmpty]: Start isEmpty. Operand 209 states and 209 transitions. [2018-07-23 13:50:52,871 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 209 [2018-07-23 13:50:52,871 INFO L349 BasicCegarLoop]: Found error trace [2018-07-23 13:50:52,871 INFO L357 BasicCegarLoop]: trace histogram [103, 102, 1, 1, 1] [2018-07-23 13:50:52,871 INFO L414 AbstractCegarLoop]: === Iteration 103 === [ULTIMATE.startErr0AssertViolationASSERT]=== [2018-07-23 13:50:52,871 INFO L82 PathProgramCache]: Analyzing trace with hash -487440797, now seen corresponding path program 102 times [2018-07-23 13:50:52,871 INFO L69 tionRefinementEngine]: Using refinement strategy FixedRefinementStrategy [2018-07-23 13:50:52,980 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-07-23 13:50:53,546 INFO L134 CoverageAnalysis]: Checked inductivity of 10506 backedges. 0 proven. 10506 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-07-23 13:50:53,547 INFO L309 seRefinementStrategy]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2018-07-23 13:50:53,547 INFO L324 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [104] total 104 [2018-07-23 13:50:53,547 INFO L142 lantAutomatonBuilder]: Constructing canonical interpolant automaton, with selfloop in false state [2018-07-23 13:50:53,547 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-07-23 13:50:53,548 INFO L185 omatonBuilderFactory]: Interpolants [49940#true, 49941#false, 49942#(and (<= ULTIMATE.start_main_~x~4 0) (<= 0 ULTIMATE.start_main_~x~4)), 49943#(and (<= ULTIMATE.start_main_~x~4 1) (<= 1 ULTIMATE.start_main_~x~4)), 49944#(and (<= 2 ULTIMATE.start_main_~x~4) (<= ULTIMATE.start_main_~x~4 2)), 49945#(and (<= 3 ULTIMATE.start_main_~x~4) (<= ULTIMATE.start_main_~x~4 3)), 49946#(and (<= ULTIMATE.start_main_~x~4 4) (<= 4 ULTIMATE.start_main_~x~4)), 49947#(and (<= ULTIMATE.start_main_~x~4 5) (<= 5 ULTIMATE.start_main_~x~4)), 49948#(and (<= 6 ULTIMATE.start_main_~x~4) (<= ULTIMATE.start_main_~x~4 6)), 49949#(and (<= ULTIMATE.start_main_~x~4 7) (<= 7 ULTIMATE.start_main_~x~4)), 49950#(and (<= ULTIMATE.start_main_~x~4 8) (<= 8 ULTIMATE.start_main_~x~4)), 49951#(and (<= 9 ULTIMATE.start_main_~x~4) (<= ULTIMATE.start_main_~x~4 9)), 49952#(and (<= ULTIMATE.start_main_~x~4 10) (<= 10 ULTIMATE.start_main_~x~4)), 49953#(and (<= ULTIMATE.start_main_~x~4 11) (<= 11 ULTIMATE.start_main_~x~4)), 49954#(and (<= 12 ULTIMATE.start_main_~x~4) (<= ULTIMATE.start_main_~x~4 12)), 49955#(and (<= ULTIMATE.start_main_~x~4 13) (<= 13 ULTIMATE.start_main_~x~4)), 49956#(and (<= 14 ULTIMATE.start_main_~x~4) (<= ULTIMATE.start_main_~x~4 14)), 49957#(and (<= 15 ULTIMATE.start_main_~x~4) (<= ULTIMATE.start_main_~x~4 15)), 49958#(and (<= ULTIMATE.start_main_~x~4 16) (<= 16 ULTIMATE.start_main_~x~4)), 49959#(and (<= ULTIMATE.start_main_~x~4 17) (<= 17 ULTIMATE.start_main_~x~4)), 49960#(and (<= 18 ULTIMATE.start_main_~x~4) (<= ULTIMATE.start_main_~x~4 18)), 49961#(and (<= 19 ULTIMATE.start_main_~x~4) (<= ULTIMATE.start_main_~x~4 19)), 49962#(and (<= 20 ULTIMATE.start_main_~x~4) (<= ULTIMATE.start_main_~x~4 20)), 49963#(and (<= ULTIMATE.start_main_~x~4 21) (<= 21 ULTIMATE.start_main_~x~4)), 49964#(and (<= ULTIMATE.start_main_~x~4 22) (<= 22 ULTIMATE.start_main_~x~4)), 49965#(and (<= ULTIMATE.start_main_~x~4 23) (<= 23 ULTIMATE.start_main_~x~4)), 49966#(and (<= ULTIMATE.start_main_~x~4 24) (<= 24 ULTIMATE.start_main_~x~4)), 49967#(and (<= ULTIMATE.start_main_~x~4 25) (<= 25 ULTIMATE.start_main_~x~4)), 49968#(and (<= ULTIMATE.start_main_~x~4 26) (<= 26 ULTIMATE.start_main_~x~4)), 49969#(and (<= ULTIMATE.start_main_~x~4 27) (<= 27 ULTIMATE.start_main_~x~4)), 49970#(and (<= ULTIMATE.start_main_~x~4 28) (<= 28 ULTIMATE.start_main_~x~4)), 49971#(and (<= 29 ULTIMATE.start_main_~x~4) (<= ULTIMATE.start_main_~x~4 29)), 49972#(and (<= ULTIMATE.start_main_~x~4 30) (<= 30 ULTIMATE.start_main_~x~4)), 49973#(and (<= ULTIMATE.start_main_~x~4 31) (<= 31 ULTIMATE.start_main_~x~4)), 49974#(and (<= ULTIMATE.start_main_~x~4 32) (<= 32 ULTIMATE.start_main_~x~4)), 49975#(and (<= ULTIMATE.start_main_~x~4 33) (<= 33 ULTIMATE.start_main_~x~4)), 49976#(and (<= 34 ULTIMATE.start_main_~x~4) (<= ULTIMATE.start_main_~x~4 34)), 49977#(and (<= ULTIMATE.start_main_~x~4 35) (<= 35 ULTIMATE.start_main_~x~4)), 49978#(and (<= 36 ULTIMATE.start_main_~x~4) (<= ULTIMATE.start_main_~x~4 36)), 49979#(and (<= ULTIMATE.start_main_~x~4 37) (<= 37 ULTIMATE.start_main_~x~4)), 49980#(and (<= 38 ULTIMATE.start_main_~x~4) (<= ULTIMATE.start_main_~x~4 38)), 49981#(and (<= ULTIMATE.start_main_~x~4 39) (<= 39 ULTIMATE.start_main_~x~4)), 49982#(and (<= ULTIMATE.start_main_~x~4 40) (<= 40 ULTIMATE.start_main_~x~4)), 49983#(and (<= ULTIMATE.start_main_~x~4 41) (<= 41 ULTIMATE.start_main_~x~4)), 49984#(and (<= ULTIMATE.start_main_~x~4 42) (<= 42 ULTIMATE.start_main_~x~4)), 49985#(and (<= ULTIMATE.start_main_~x~4 43) (<= 43 ULTIMATE.start_main_~x~4)), 49986#(and (<= 44 ULTIMATE.start_main_~x~4) (<= ULTIMATE.start_main_~x~4 44)), 49987#(and (<= 45 ULTIMATE.start_main_~x~4) (<= ULTIMATE.start_main_~x~4 45)), 49988#(and (<= ULTIMATE.start_main_~x~4 46) (<= 46 ULTIMATE.start_main_~x~4)), 49989#(and (<= 47 ULTIMATE.start_main_~x~4) (<= ULTIMATE.start_main_~x~4 47)), 49990#(and (<= 48 ULTIMATE.start_main_~x~4) (<= ULTIMATE.start_main_~x~4 48)), 49991#(and (<= 49 ULTIMATE.start_main_~x~4) (<= ULTIMATE.start_main_~x~4 49)), 49992#(and (<= ULTIMATE.start_main_~x~4 50) (<= 50 ULTIMATE.start_main_~x~4)), 49993#(and (<= 51 ULTIMATE.start_main_~x~4) (<= ULTIMATE.start_main_~x~4 51)), 49994#(and (<= ULTIMATE.start_main_~x~4 52) (<= 52 ULTIMATE.start_main_~x~4)), 49995#(and (<= 53 ULTIMATE.start_main_~x~4) (<= ULTIMATE.start_main_~x~4 53)), 49996#(and (<= ULTIMATE.start_main_~x~4 54) (<= 54 ULTIMATE.start_main_~x~4)), 49997#(and (<= 55 ULTIMATE.start_main_~x~4) (<= ULTIMATE.start_main_~x~4 55)), 49998#(and (<= 56 ULTIMATE.start_main_~x~4) (<= ULTIMATE.start_main_~x~4 56)), 49999#(and (<= 57 ULTIMATE.start_main_~x~4) (<= ULTIMATE.start_main_~x~4 57)), 50000#(and (<= 58 ULTIMATE.start_main_~x~4) (<= ULTIMATE.start_main_~x~4 58)), 50001#(and (<= ULTIMATE.start_main_~x~4 59) (<= 59 ULTIMATE.start_main_~x~4)), 50002#(and (<= 60 ULTIMATE.start_main_~x~4) (<= ULTIMATE.start_main_~x~4 60)), 50003#(and (<= 61 ULTIMATE.start_main_~x~4) (<= ULTIMATE.start_main_~x~4 61)), 50004#(and (<= ULTIMATE.start_main_~x~4 62) (<= 62 ULTIMATE.start_main_~x~4)), 50005#(and (<= 63 ULTIMATE.start_main_~x~4) (<= ULTIMATE.start_main_~x~4 63)), 50006#(and (<= ULTIMATE.start_main_~x~4 64) (<= 64 ULTIMATE.start_main_~x~4)), 50007#(and (<= 65 ULTIMATE.start_main_~x~4) (<= ULTIMATE.start_main_~x~4 65)), 50008#(and (<= 66 ULTIMATE.start_main_~x~4) (<= ULTIMATE.start_main_~x~4 66)), 50009#(and (<= 67 ULTIMATE.start_main_~x~4) (<= ULTIMATE.start_main_~x~4 67)), 50010#(and (<= ULTIMATE.start_main_~x~4 68) (<= 68 ULTIMATE.start_main_~x~4)), 50011#(and (<= 69 ULTIMATE.start_main_~x~4) (<= ULTIMATE.start_main_~x~4 69)), 50012#(and (<= ULTIMATE.start_main_~x~4 70) (<= 70 ULTIMATE.start_main_~x~4)), 50013#(and (<= 71 ULTIMATE.start_main_~x~4) (<= ULTIMATE.start_main_~x~4 71)), 50014#(and (<= 72 ULTIMATE.start_main_~x~4) (<= ULTIMATE.start_main_~x~4 72)), 50015#(and (<= ULTIMATE.start_main_~x~4 73) (<= 73 ULTIMATE.start_main_~x~4)), 50016#(and (<= 74 ULTIMATE.start_main_~x~4) (<= ULTIMATE.start_main_~x~4 74)), 50017#(and (<= ULTIMATE.start_main_~x~4 75) (<= 75 ULTIMATE.start_main_~x~4)), 50018#(and (<= ULTIMATE.start_main_~x~4 76) (<= 76 ULTIMATE.start_main_~x~4)), 50019#(and (<= ULTIMATE.start_main_~x~4 77) (<= 77 ULTIMATE.start_main_~x~4)), 50020#(and (<= ULTIMATE.start_main_~x~4 78) (<= 78 ULTIMATE.start_main_~x~4)), 50021#(and (<= 79 ULTIMATE.start_main_~x~4) (<= ULTIMATE.start_main_~x~4 79)), 50022#(and (<= ULTIMATE.start_main_~x~4 80) (<= 80 ULTIMATE.start_main_~x~4)), 50023#(and (<= ULTIMATE.start_main_~x~4 81) (<= 81 ULTIMATE.start_main_~x~4)), 50024#(and (<= ULTIMATE.start_main_~x~4 82) (<= 82 ULTIMATE.start_main_~x~4)), 50025#(and (<= 83 ULTIMATE.start_main_~x~4) (<= ULTIMATE.start_main_~x~4 83)), 50026#(and (<= ULTIMATE.start_main_~x~4 84) (<= 84 ULTIMATE.start_main_~x~4)), 50027#(and (<= 85 ULTIMATE.start_main_~x~4) (<= ULTIMATE.start_main_~x~4 85)), 50028#(and (<= 86 ULTIMATE.start_main_~x~4) (<= ULTIMATE.start_main_~x~4 86)), 50029#(and (<= ULTIMATE.start_main_~x~4 87) (<= 87 ULTIMATE.start_main_~x~4)), 50030#(and (<= 88 ULTIMATE.start_main_~x~4) (<= ULTIMATE.start_main_~x~4 88)), 50031#(and (<= ULTIMATE.start_main_~x~4 89) (<= 89 ULTIMATE.start_main_~x~4)), 50032#(and (<= ULTIMATE.start_main_~x~4 90) (<= 90 ULTIMATE.start_main_~x~4)), 50033#(and (<= ULTIMATE.start_main_~x~4 91) (<= 91 ULTIMATE.start_main_~x~4)), 50034#(and (<= ULTIMATE.start_main_~x~4 92) (<= 92 ULTIMATE.start_main_~x~4)), 50035#(and (<= ULTIMATE.start_main_~x~4 93) (<= 93 ULTIMATE.start_main_~x~4)), 50036#(and (<= ULTIMATE.start_main_~x~4 94) (<= 94 ULTIMATE.start_main_~x~4)), 50037#(and (<= 95 ULTIMATE.start_main_~x~4) (<= ULTIMATE.start_main_~x~4 95)), 50038#(and (<= ULTIMATE.start_main_~x~4 96) (<= 96 ULTIMATE.start_main_~x~4)), 50039#(and (<= 97 ULTIMATE.start_main_~x~4) (<= ULTIMATE.start_main_~x~4 97)), 50040#(and (<= ULTIMATE.start_main_~x~4 98) (<= 98 ULTIMATE.start_main_~x~4)), 50041#(and (<= 99 ULTIMATE.start_main_~x~4) (<= ULTIMATE.start_main_~x~4 99)), 50042#(and (<= ULTIMATE.start_main_~x~4 100) (<= 100 ULTIMATE.start_main_~x~4)), 50043#(and (<= ULTIMATE.start_main_~x~4 101) (<= 101 ULTIMATE.start_main_~x~4)), 50044#(and (<= 102 ULTIMATE.start_main_~x~4) (<= ULTIMATE.start_main_~x~4 102))] [2018-07-23 13:50:53,548 INFO L134 CoverageAnalysis]: Checked inductivity of 10506 backedges. 0 proven. 10506 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-07-23 13:50:53,548 INFO L450 AbstractCegarLoop]: Interpolant automaton has 105 states [2018-07-23 13:50:53,549 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 105 interpolants. [2018-07-23 13:50:53,549 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=207, Invalid=10713, Unknown=0, NotChecked=0, Total=10920 [2018-07-23 13:50:53,550 INFO L87 Difference]: Start difference. First operand 209 states and 209 transitions. Second operand 105 states. [2018-07-23 13:50:54,326 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-07-23 13:50:54,326 INFO L93 Difference]: Finished difference Result 213 states and 213 transitions. [2018-07-23 13:50:54,326 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 105 states. [2018-07-23 13:50:54,326 INFO L78 Accepts]: Start accepts. Automaton has 105 states. Word has length 208 [2018-07-23 13:50:54,327 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-07-23 13:50:54,327 INFO L225 Difference]: With dead ends: 213 [2018-07-23 13:50:54,327 INFO L226 Difference]: Without dead ends: 211 [2018-07-23 13:50:54,328 INFO L575 BasicCegarLoop]: 0 DeclaredPredicates, 104 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 103 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.4s TimeCoverageRelationStatistics Valid=207, Invalid=10713, Unknown=0, NotChecked=0, Total=10920 [2018-07-23 13:50:54,328 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 211 states. [2018-07-23 13:50:54,335 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 211 to 211. [2018-07-23 13:50:54,335 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 211 states. [2018-07-23 13:50:54,336 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 211 states to 211 states and 211 transitions. [2018-07-23 13:50:54,336 INFO L78 Accepts]: Start accepts. Automaton has 211 states and 211 transitions. Word has length 208 [2018-07-23 13:50:54,336 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-07-23 13:50:54,336 INFO L471 AbstractCegarLoop]: Abstraction has 211 states and 211 transitions. [2018-07-23 13:50:54,336 INFO L472 AbstractCegarLoop]: Interpolant automaton has 105 states. [2018-07-23 13:50:54,337 INFO L276 IsEmpty]: Start isEmpty. Operand 211 states and 211 transitions. [2018-07-23 13:50:54,337 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 211 [2018-07-23 13:50:54,338 INFO L349 BasicCegarLoop]: Found error trace [2018-07-23 13:50:54,338 INFO L357 BasicCegarLoop]: trace histogram [104, 103, 1, 1, 1] [2018-07-23 13:50:54,338 INFO L414 AbstractCegarLoop]: === Iteration 104 === [ULTIMATE.startErr0AssertViolationASSERT]=== [2018-07-23 13:50:54,338 INFO L82 PathProgramCache]: Analyzing trace with hash -279118563, now seen corresponding path program 103 times [2018-07-23 13:50:54,338 INFO L69 tionRefinementEngine]: Using refinement strategy FixedRefinementStrategy [2018-07-23 13:50:54,454 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-07-23 13:50:55,119 INFO L134 CoverageAnalysis]: Checked inductivity of 10712 backedges. 0 proven. 10712 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-07-23 13:50:55,119 INFO L309 seRefinementStrategy]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2018-07-23 13:50:55,119 INFO L324 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [105] total 105 [2018-07-23 13:50:55,119 INFO L142 lantAutomatonBuilder]: Constructing canonical interpolant automaton, with selfloop in false state [2018-07-23 13:50:55,119 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-07-23 13:50:55,120 INFO L185 omatonBuilderFactory]: Interpolants [50944#(and (<= 49 ULTIMATE.start_main_~x~4) (<= ULTIMATE.start_main_~x~4 49)), 50945#(and (<= ULTIMATE.start_main_~x~4 50) (<= 50 ULTIMATE.start_main_~x~4)), 50946#(and (<= 51 ULTIMATE.start_main_~x~4) (<= ULTIMATE.start_main_~x~4 51)), 50947#(and (<= ULTIMATE.start_main_~x~4 52) (<= 52 ULTIMATE.start_main_~x~4)), 50948#(and (<= 53 ULTIMATE.start_main_~x~4) (<= ULTIMATE.start_main_~x~4 53)), 50949#(and (<= ULTIMATE.start_main_~x~4 54) (<= 54 ULTIMATE.start_main_~x~4)), 50950#(and (<= 55 ULTIMATE.start_main_~x~4) (<= ULTIMATE.start_main_~x~4 55)), 50951#(and (<= 56 ULTIMATE.start_main_~x~4) (<= ULTIMATE.start_main_~x~4 56)), 50952#(and (<= 57 ULTIMATE.start_main_~x~4) (<= ULTIMATE.start_main_~x~4 57)), 50953#(and (<= 58 ULTIMATE.start_main_~x~4) (<= ULTIMATE.start_main_~x~4 58)), 50954#(and (<= ULTIMATE.start_main_~x~4 59) (<= 59 ULTIMATE.start_main_~x~4)), 50955#(and (<= 60 ULTIMATE.start_main_~x~4) (<= ULTIMATE.start_main_~x~4 60)), 50956#(and (<= 61 ULTIMATE.start_main_~x~4) (<= ULTIMATE.start_main_~x~4 61)), 50957#(and (<= ULTIMATE.start_main_~x~4 62) (<= 62 ULTIMATE.start_main_~x~4)), 50958#(and (<= 63 ULTIMATE.start_main_~x~4) (<= ULTIMATE.start_main_~x~4 63)), 50959#(and (<= ULTIMATE.start_main_~x~4 64) (<= 64 ULTIMATE.start_main_~x~4)), 50960#(and (<= 65 ULTIMATE.start_main_~x~4) (<= ULTIMATE.start_main_~x~4 65)), 50961#(and (<= 66 ULTIMATE.start_main_~x~4) (<= ULTIMATE.start_main_~x~4 66)), 50962#(and (<= 67 ULTIMATE.start_main_~x~4) (<= ULTIMATE.start_main_~x~4 67)), 50963#(and (<= ULTIMATE.start_main_~x~4 68) (<= 68 ULTIMATE.start_main_~x~4)), 50964#(and (<= 69 ULTIMATE.start_main_~x~4) (<= ULTIMATE.start_main_~x~4 69)), 50965#(and (<= ULTIMATE.start_main_~x~4 70) (<= 70 ULTIMATE.start_main_~x~4)), 50966#(and (<= 71 ULTIMATE.start_main_~x~4) (<= ULTIMATE.start_main_~x~4 71)), 50967#(and (<= 72 ULTIMATE.start_main_~x~4) (<= ULTIMATE.start_main_~x~4 72)), 50968#(and (<= ULTIMATE.start_main_~x~4 73) (<= 73 ULTIMATE.start_main_~x~4)), 50969#(and (<= 74 ULTIMATE.start_main_~x~4) (<= ULTIMATE.start_main_~x~4 74)), 50970#(and (<= ULTIMATE.start_main_~x~4 75) (<= 75 ULTIMATE.start_main_~x~4)), 50971#(and (<= ULTIMATE.start_main_~x~4 76) (<= 76 ULTIMATE.start_main_~x~4)), 50972#(and (<= ULTIMATE.start_main_~x~4 77) (<= 77 ULTIMATE.start_main_~x~4)), 50973#(and (<= ULTIMATE.start_main_~x~4 78) (<= 78 ULTIMATE.start_main_~x~4)), 50974#(and (<= 79 ULTIMATE.start_main_~x~4) (<= ULTIMATE.start_main_~x~4 79)), 50975#(and (<= ULTIMATE.start_main_~x~4 80) (<= 80 ULTIMATE.start_main_~x~4)), 50976#(and (<= ULTIMATE.start_main_~x~4 81) (<= 81 ULTIMATE.start_main_~x~4)), 50977#(and (<= ULTIMATE.start_main_~x~4 82) (<= 82 ULTIMATE.start_main_~x~4)), 50978#(and (<= 83 ULTIMATE.start_main_~x~4) (<= ULTIMATE.start_main_~x~4 83)), 50979#(and (<= ULTIMATE.start_main_~x~4 84) (<= 84 ULTIMATE.start_main_~x~4)), 50980#(and (<= 85 ULTIMATE.start_main_~x~4) (<= ULTIMATE.start_main_~x~4 85)), 50981#(and (<= 86 ULTIMATE.start_main_~x~4) (<= ULTIMATE.start_main_~x~4 86)), 50982#(and (<= ULTIMATE.start_main_~x~4 87) (<= 87 ULTIMATE.start_main_~x~4)), 50983#(and (<= 88 ULTIMATE.start_main_~x~4) (<= ULTIMATE.start_main_~x~4 88)), 50984#(and (<= ULTIMATE.start_main_~x~4 89) (<= 89 ULTIMATE.start_main_~x~4)), 50985#(and (<= ULTIMATE.start_main_~x~4 90) (<= 90 ULTIMATE.start_main_~x~4)), 50986#(and (<= ULTIMATE.start_main_~x~4 91) (<= 91 ULTIMATE.start_main_~x~4)), 50987#(and (<= ULTIMATE.start_main_~x~4 92) (<= 92 ULTIMATE.start_main_~x~4)), 50988#(and (<= ULTIMATE.start_main_~x~4 93) (<= 93 ULTIMATE.start_main_~x~4)), 50989#(and (<= ULTIMATE.start_main_~x~4 94) (<= 94 ULTIMATE.start_main_~x~4)), 50990#(and (<= 95 ULTIMATE.start_main_~x~4) (<= ULTIMATE.start_main_~x~4 95)), 50991#(and (<= ULTIMATE.start_main_~x~4 96) (<= 96 ULTIMATE.start_main_~x~4)), 50992#(and (<= 97 ULTIMATE.start_main_~x~4) (<= ULTIMATE.start_main_~x~4 97)), 50993#(and (<= ULTIMATE.start_main_~x~4 98) (<= 98 ULTIMATE.start_main_~x~4)), 50994#(and (<= 99 ULTIMATE.start_main_~x~4) (<= ULTIMATE.start_main_~x~4 99)), 50995#(and (<= ULTIMATE.start_main_~x~4 100) (<= 100 ULTIMATE.start_main_~x~4)), 50996#(and (<= ULTIMATE.start_main_~x~4 101) (<= 101 ULTIMATE.start_main_~x~4)), 50997#(and (<= 102 ULTIMATE.start_main_~x~4) (<= ULTIMATE.start_main_~x~4 102)), 50998#(and (<= 103 ULTIMATE.start_main_~x~4) (<= ULTIMATE.start_main_~x~4 103)), 50893#true, 50894#false, 50895#(and (<= ULTIMATE.start_main_~x~4 0) (<= 0 ULTIMATE.start_main_~x~4)), 50896#(and (<= ULTIMATE.start_main_~x~4 1) (<= 1 ULTIMATE.start_main_~x~4)), 50897#(and (<= 2 ULTIMATE.start_main_~x~4) (<= ULTIMATE.start_main_~x~4 2)), 50898#(and (<= 3 ULTIMATE.start_main_~x~4) (<= ULTIMATE.start_main_~x~4 3)), 50899#(and (<= ULTIMATE.start_main_~x~4 4) (<= 4 ULTIMATE.start_main_~x~4)), 50900#(and (<= ULTIMATE.start_main_~x~4 5) (<= 5 ULTIMATE.start_main_~x~4)), 50901#(and (<= 6 ULTIMATE.start_main_~x~4) (<= ULTIMATE.start_main_~x~4 6)), 50902#(and (<= ULTIMATE.start_main_~x~4 7) (<= 7 ULTIMATE.start_main_~x~4)), 50903#(and (<= ULTIMATE.start_main_~x~4 8) (<= 8 ULTIMATE.start_main_~x~4)), 50904#(and (<= 9 ULTIMATE.start_main_~x~4) (<= ULTIMATE.start_main_~x~4 9)), 50905#(and (<= ULTIMATE.start_main_~x~4 10) (<= 10 ULTIMATE.start_main_~x~4)), 50906#(and (<= ULTIMATE.start_main_~x~4 11) (<= 11 ULTIMATE.start_main_~x~4)), 50907#(and (<= 12 ULTIMATE.start_main_~x~4) (<= ULTIMATE.start_main_~x~4 12)), 50908#(and (<= ULTIMATE.start_main_~x~4 13) (<= 13 ULTIMATE.start_main_~x~4)), 50909#(and (<= 14 ULTIMATE.start_main_~x~4) (<= ULTIMATE.start_main_~x~4 14)), 50910#(and (<= 15 ULTIMATE.start_main_~x~4) (<= ULTIMATE.start_main_~x~4 15)), 50911#(and (<= ULTIMATE.start_main_~x~4 16) (<= 16 ULTIMATE.start_main_~x~4)), 50912#(and (<= ULTIMATE.start_main_~x~4 17) (<= 17 ULTIMATE.start_main_~x~4)), 50913#(and (<= 18 ULTIMATE.start_main_~x~4) (<= ULTIMATE.start_main_~x~4 18)), 50914#(and (<= 19 ULTIMATE.start_main_~x~4) (<= ULTIMATE.start_main_~x~4 19)), 50915#(and (<= 20 ULTIMATE.start_main_~x~4) (<= ULTIMATE.start_main_~x~4 20)), 50916#(and (<= ULTIMATE.start_main_~x~4 21) (<= 21 ULTIMATE.start_main_~x~4)), 50917#(and (<= ULTIMATE.start_main_~x~4 22) (<= 22 ULTIMATE.start_main_~x~4)), 50918#(and (<= ULTIMATE.start_main_~x~4 23) (<= 23 ULTIMATE.start_main_~x~4)), 50919#(and (<= ULTIMATE.start_main_~x~4 24) (<= 24 ULTIMATE.start_main_~x~4)), 50920#(and (<= ULTIMATE.start_main_~x~4 25) (<= 25 ULTIMATE.start_main_~x~4)), 50921#(and (<= ULTIMATE.start_main_~x~4 26) (<= 26 ULTIMATE.start_main_~x~4)), 50922#(and (<= ULTIMATE.start_main_~x~4 27) (<= 27 ULTIMATE.start_main_~x~4)), 50923#(and (<= ULTIMATE.start_main_~x~4 28) (<= 28 ULTIMATE.start_main_~x~4)), 50924#(and (<= 29 ULTIMATE.start_main_~x~4) (<= ULTIMATE.start_main_~x~4 29)), 50925#(and (<= ULTIMATE.start_main_~x~4 30) (<= 30 ULTIMATE.start_main_~x~4)), 50926#(and (<= ULTIMATE.start_main_~x~4 31) (<= 31 ULTIMATE.start_main_~x~4)), 50927#(and (<= ULTIMATE.start_main_~x~4 32) (<= 32 ULTIMATE.start_main_~x~4)), 50928#(and (<= ULTIMATE.start_main_~x~4 33) (<= 33 ULTIMATE.start_main_~x~4)), 50929#(and (<= 34 ULTIMATE.start_main_~x~4) (<= ULTIMATE.start_main_~x~4 34)), 50930#(and (<= ULTIMATE.start_main_~x~4 35) (<= 35 ULTIMATE.start_main_~x~4)), 50931#(and (<= 36 ULTIMATE.start_main_~x~4) (<= ULTIMATE.start_main_~x~4 36)), 50932#(and (<= ULTIMATE.start_main_~x~4 37) (<= 37 ULTIMATE.start_main_~x~4)), 50933#(and (<= 38 ULTIMATE.start_main_~x~4) (<= ULTIMATE.start_main_~x~4 38)), 50934#(and (<= ULTIMATE.start_main_~x~4 39) (<= 39 ULTIMATE.start_main_~x~4)), 50935#(and (<= ULTIMATE.start_main_~x~4 40) (<= 40 ULTIMATE.start_main_~x~4)), 50936#(and (<= ULTIMATE.start_main_~x~4 41) (<= 41 ULTIMATE.start_main_~x~4)), 50937#(and (<= ULTIMATE.start_main_~x~4 42) (<= 42 ULTIMATE.start_main_~x~4)), 50938#(and (<= ULTIMATE.start_main_~x~4 43) (<= 43 ULTIMATE.start_main_~x~4)), 50939#(and (<= 44 ULTIMATE.start_main_~x~4) (<= ULTIMATE.start_main_~x~4 44)), 50940#(and (<= 45 ULTIMATE.start_main_~x~4) (<= ULTIMATE.start_main_~x~4 45)), 50941#(and (<= ULTIMATE.start_main_~x~4 46) (<= 46 ULTIMATE.start_main_~x~4)), 50942#(and (<= 47 ULTIMATE.start_main_~x~4) (<= ULTIMATE.start_main_~x~4 47)), 50943#(and (<= 48 ULTIMATE.start_main_~x~4) (<= ULTIMATE.start_main_~x~4 48))] [2018-07-23 13:50:55,120 INFO L134 CoverageAnalysis]: Checked inductivity of 10712 backedges. 0 proven. 10712 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-07-23 13:50:55,121 INFO L450 AbstractCegarLoop]: Interpolant automaton has 106 states [2018-07-23 13:50:55,121 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 106 interpolants. [2018-07-23 13:50:55,122 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=209, Invalid=10921, Unknown=0, NotChecked=0, Total=11130 [2018-07-23 13:50:55,122 INFO L87 Difference]: Start difference. First operand 211 states and 211 transitions. Second operand 106 states. [2018-07-23 13:50:55,901 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-07-23 13:50:55,901 INFO L93 Difference]: Finished difference Result 215 states and 215 transitions. [2018-07-23 13:50:55,901 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 106 states. [2018-07-23 13:50:55,901 INFO L78 Accepts]: Start accepts. Automaton has 106 states. Word has length 210 [2018-07-23 13:50:55,901 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-07-23 13:50:55,902 INFO L225 Difference]: With dead ends: 215 [2018-07-23 13:50:55,902 INFO L226 Difference]: Without dead ends: 213 [2018-07-23 13:50:55,903 INFO L575 BasicCegarLoop]: 0 DeclaredPredicates, 105 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 104 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.5s TimeCoverageRelationStatistics Valid=209, Invalid=10921, Unknown=0, NotChecked=0, Total=11130 [2018-07-23 13:50:55,903 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 213 states. [2018-07-23 13:50:55,911 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 213 to 213. [2018-07-23 13:50:55,911 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 213 states. [2018-07-23 13:50:55,912 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 213 states to 213 states and 213 transitions. [2018-07-23 13:50:55,912 INFO L78 Accepts]: Start accepts. Automaton has 213 states and 213 transitions. Word has length 210 [2018-07-23 13:50:55,912 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-07-23 13:50:55,912 INFO L471 AbstractCegarLoop]: Abstraction has 213 states and 213 transitions. [2018-07-23 13:50:55,912 INFO L472 AbstractCegarLoop]: Interpolant automaton has 106 states. [2018-07-23 13:50:55,912 INFO L276 IsEmpty]: Start isEmpty. Operand 213 states and 213 transitions. [2018-07-23 13:50:55,913 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 213 [2018-07-23 13:50:55,913 INFO L349 BasicCegarLoop]: Found error trace [2018-07-23 13:50:55,914 INFO L357 BasicCegarLoop]: trace histogram [105, 104, 1, 1, 1] [2018-07-23 13:50:55,914 INFO L414 AbstractCegarLoop]: === Iteration 105 === [ULTIMATE.startErr0AssertViolationASSERT]=== [2018-07-23 13:50:55,914 INFO L82 PathProgramCache]: Analyzing trace with hash -1944914601, now seen corresponding path program 104 times [2018-07-23 13:50:55,914 INFO L69 tionRefinementEngine]: Using refinement strategy FixedRefinementStrategy [2018-07-23 13:50:56,033 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-07-23 13:50:56,619 INFO L134 CoverageAnalysis]: Checked inductivity of 10920 backedges. 0 proven. 10920 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-07-23 13:50:56,619 INFO L309 seRefinementStrategy]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2018-07-23 13:50:56,619 INFO L324 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [106] total 106 [2018-07-23 13:50:56,619 INFO L142 lantAutomatonBuilder]: Constructing canonical interpolant automaton, with selfloop in false state [2018-07-23 13:50:56,620 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-07-23 13:50:56,620 INFO L185 omatonBuilderFactory]: Interpolants [51855#true, 51856#false, 51857#(and (<= ULTIMATE.start_main_~x~4 0) (<= 0 ULTIMATE.start_main_~x~4)), 51858#(and (<= ULTIMATE.start_main_~x~4 1) (<= 1 ULTIMATE.start_main_~x~4)), 51859#(and (<= 2 ULTIMATE.start_main_~x~4) (<= ULTIMATE.start_main_~x~4 2)), 51860#(and (<= 3 ULTIMATE.start_main_~x~4) (<= ULTIMATE.start_main_~x~4 3)), 51861#(and (<= ULTIMATE.start_main_~x~4 4) (<= 4 ULTIMATE.start_main_~x~4)), 51862#(and (<= ULTIMATE.start_main_~x~4 5) (<= 5 ULTIMATE.start_main_~x~4)), 51863#(and (<= 6 ULTIMATE.start_main_~x~4) (<= ULTIMATE.start_main_~x~4 6)), 51864#(and (<= ULTIMATE.start_main_~x~4 7) (<= 7 ULTIMATE.start_main_~x~4)), 51865#(and (<= ULTIMATE.start_main_~x~4 8) (<= 8 ULTIMATE.start_main_~x~4)), 51866#(and (<= 9 ULTIMATE.start_main_~x~4) (<= ULTIMATE.start_main_~x~4 9)), 51867#(and (<= ULTIMATE.start_main_~x~4 10) (<= 10 ULTIMATE.start_main_~x~4)), 51868#(and (<= ULTIMATE.start_main_~x~4 11) (<= 11 ULTIMATE.start_main_~x~4)), 51869#(and (<= 12 ULTIMATE.start_main_~x~4) (<= ULTIMATE.start_main_~x~4 12)), 51870#(and (<= ULTIMATE.start_main_~x~4 13) (<= 13 ULTIMATE.start_main_~x~4)), 51871#(and (<= 14 ULTIMATE.start_main_~x~4) (<= ULTIMATE.start_main_~x~4 14)), 51872#(and (<= 15 ULTIMATE.start_main_~x~4) (<= ULTIMATE.start_main_~x~4 15)), 51873#(and (<= ULTIMATE.start_main_~x~4 16) (<= 16 ULTIMATE.start_main_~x~4)), 51874#(and (<= ULTIMATE.start_main_~x~4 17) (<= 17 ULTIMATE.start_main_~x~4)), 51875#(and (<= 18 ULTIMATE.start_main_~x~4) (<= ULTIMATE.start_main_~x~4 18)), 51876#(and (<= 19 ULTIMATE.start_main_~x~4) (<= ULTIMATE.start_main_~x~4 19)), 51877#(and (<= 20 ULTIMATE.start_main_~x~4) (<= ULTIMATE.start_main_~x~4 20)), 51878#(and (<= ULTIMATE.start_main_~x~4 21) (<= 21 ULTIMATE.start_main_~x~4)), 51879#(and (<= ULTIMATE.start_main_~x~4 22) (<= 22 ULTIMATE.start_main_~x~4)), 51880#(and (<= ULTIMATE.start_main_~x~4 23) (<= 23 ULTIMATE.start_main_~x~4)), 51881#(and (<= ULTIMATE.start_main_~x~4 24) (<= 24 ULTIMATE.start_main_~x~4)), 51882#(and (<= ULTIMATE.start_main_~x~4 25) (<= 25 ULTIMATE.start_main_~x~4)), 51883#(and (<= ULTIMATE.start_main_~x~4 26) (<= 26 ULTIMATE.start_main_~x~4)), 51884#(and (<= ULTIMATE.start_main_~x~4 27) (<= 27 ULTIMATE.start_main_~x~4)), 51885#(and (<= ULTIMATE.start_main_~x~4 28) (<= 28 ULTIMATE.start_main_~x~4)), 51886#(and (<= 29 ULTIMATE.start_main_~x~4) (<= ULTIMATE.start_main_~x~4 29)), 51887#(and (<= ULTIMATE.start_main_~x~4 30) (<= 30 ULTIMATE.start_main_~x~4)), 51888#(and (<= ULTIMATE.start_main_~x~4 31) (<= 31 ULTIMATE.start_main_~x~4)), 51889#(and (<= ULTIMATE.start_main_~x~4 32) (<= 32 ULTIMATE.start_main_~x~4)), 51890#(and (<= ULTIMATE.start_main_~x~4 33) (<= 33 ULTIMATE.start_main_~x~4)), 51891#(and (<= 34 ULTIMATE.start_main_~x~4) (<= ULTIMATE.start_main_~x~4 34)), 51892#(and (<= ULTIMATE.start_main_~x~4 35) (<= 35 ULTIMATE.start_main_~x~4)), 51893#(and (<= 36 ULTIMATE.start_main_~x~4) (<= ULTIMATE.start_main_~x~4 36)), 51894#(and (<= ULTIMATE.start_main_~x~4 37) (<= 37 ULTIMATE.start_main_~x~4)), 51895#(and (<= 38 ULTIMATE.start_main_~x~4) (<= ULTIMATE.start_main_~x~4 38)), 51896#(and (<= ULTIMATE.start_main_~x~4 39) (<= 39 ULTIMATE.start_main_~x~4)), 51897#(and (<= ULTIMATE.start_main_~x~4 40) (<= 40 ULTIMATE.start_main_~x~4)), 51898#(and (<= ULTIMATE.start_main_~x~4 41) (<= 41 ULTIMATE.start_main_~x~4)), 51899#(and (<= ULTIMATE.start_main_~x~4 42) (<= 42 ULTIMATE.start_main_~x~4)), 51900#(and (<= ULTIMATE.start_main_~x~4 43) (<= 43 ULTIMATE.start_main_~x~4)), 51901#(and (<= 44 ULTIMATE.start_main_~x~4) (<= ULTIMATE.start_main_~x~4 44)), 51902#(and (<= 45 ULTIMATE.start_main_~x~4) (<= ULTIMATE.start_main_~x~4 45)), 51903#(and (<= ULTIMATE.start_main_~x~4 46) (<= 46 ULTIMATE.start_main_~x~4)), 51904#(and (<= 47 ULTIMATE.start_main_~x~4) (<= ULTIMATE.start_main_~x~4 47)), 51905#(and (<= 48 ULTIMATE.start_main_~x~4) (<= ULTIMATE.start_main_~x~4 48)), 51906#(and (<= 49 ULTIMATE.start_main_~x~4) (<= ULTIMATE.start_main_~x~4 49)), 51907#(and (<= ULTIMATE.start_main_~x~4 50) (<= 50 ULTIMATE.start_main_~x~4)), 51908#(and (<= 51 ULTIMATE.start_main_~x~4) (<= ULTIMATE.start_main_~x~4 51)), 51909#(and (<= ULTIMATE.start_main_~x~4 52) (<= 52 ULTIMATE.start_main_~x~4)), 51910#(and (<= 53 ULTIMATE.start_main_~x~4) (<= ULTIMATE.start_main_~x~4 53)), 51911#(and (<= ULTIMATE.start_main_~x~4 54) (<= 54 ULTIMATE.start_main_~x~4)), 51912#(and (<= 55 ULTIMATE.start_main_~x~4) (<= ULTIMATE.start_main_~x~4 55)), 51913#(and (<= 56 ULTIMATE.start_main_~x~4) (<= ULTIMATE.start_main_~x~4 56)), 51914#(and (<= 57 ULTIMATE.start_main_~x~4) (<= ULTIMATE.start_main_~x~4 57)), 51915#(and (<= 58 ULTIMATE.start_main_~x~4) (<= ULTIMATE.start_main_~x~4 58)), 51916#(and (<= ULTIMATE.start_main_~x~4 59) (<= 59 ULTIMATE.start_main_~x~4)), 51917#(and (<= 60 ULTIMATE.start_main_~x~4) (<= ULTIMATE.start_main_~x~4 60)), 51918#(and (<= 61 ULTIMATE.start_main_~x~4) (<= ULTIMATE.start_main_~x~4 61)), 51919#(and (<= ULTIMATE.start_main_~x~4 62) (<= 62 ULTIMATE.start_main_~x~4)), 51920#(and (<= 63 ULTIMATE.start_main_~x~4) (<= ULTIMATE.start_main_~x~4 63)), 51921#(and (<= ULTIMATE.start_main_~x~4 64) (<= 64 ULTIMATE.start_main_~x~4)), 51922#(and (<= 65 ULTIMATE.start_main_~x~4) (<= ULTIMATE.start_main_~x~4 65)), 51923#(and (<= 66 ULTIMATE.start_main_~x~4) (<= ULTIMATE.start_main_~x~4 66)), 51924#(and (<= 67 ULTIMATE.start_main_~x~4) (<= ULTIMATE.start_main_~x~4 67)), 51925#(and (<= ULTIMATE.start_main_~x~4 68) (<= 68 ULTIMATE.start_main_~x~4)), 51926#(and (<= 69 ULTIMATE.start_main_~x~4) (<= ULTIMATE.start_main_~x~4 69)), 51927#(and (<= ULTIMATE.start_main_~x~4 70) (<= 70 ULTIMATE.start_main_~x~4)), 51928#(and (<= 71 ULTIMATE.start_main_~x~4) (<= ULTIMATE.start_main_~x~4 71)), 51929#(and (<= 72 ULTIMATE.start_main_~x~4) (<= ULTIMATE.start_main_~x~4 72)), 51930#(and (<= ULTIMATE.start_main_~x~4 73) (<= 73 ULTIMATE.start_main_~x~4)), 51931#(and (<= 74 ULTIMATE.start_main_~x~4) (<= ULTIMATE.start_main_~x~4 74)), 51932#(and (<= ULTIMATE.start_main_~x~4 75) (<= 75 ULTIMATE.start_main_~x~4)), 51933#(and (<= ULTIMATE.start_main_~x~4 76) (<= 76 ULTIMATE.start_main_~x~4)), 51934#(and (<= ULTIMATE.start_main_~x~4 77) (<= 77 ULTIMATE.start_main_~x~4)), 51935#(and (<= ULTIMATE.start_main_~x~4 78) (<= 78 ULTIMATE.start_main_~x~4)), 51936#(and (<= 79 ULTIMATE.start_main_~x~4) (<= ULTIMATE.start_main_~x~4 79)), 51937#(and (<= ULTIMATE.start_main_~x~4 80) (<= 80 ULTIMATE.start_main_~x~4)), 51938#(and (<= ULTIMATE.start_main_~x~4 81) (<= 81 ULTIMATE.start_main_~x~4)), 51939#(and (<= ULTIMATE.start_main_~x~4 82) (<= 82 ULTIMATE.start_main_~x~4)), 51940#(and (<= 83 ULTIMATE.start_main_~x~4) (<= ULTIMATE.start_main_~x~4 83)), 51941#(and (<= ULTIMATE.start_main_~x~4 84) (<= 84 ULTIMATE.start_main_~x~4)), 51942#(and (<= 85 ULTIMATE.start_main_~x~4) (<= ULTIMATE.start_main_~x~4 85)), 51943#(and (<= 86 ULTIMATE.start_main_~x~4) (<= ULTIMATE.start_main_~x~4 86)), 51944#(and (<= ULTIMATE.start_main_~x~4 87) (<= 87 ULTIMATE.start_main_~x~4)), 51945#(and (<= 88 ULTIMATE.start_main_~x~4) (<= ULTIMATE.start_main_~x~4 88)), 51946#(and (<= ULTIMATE.start_main_~x~4 89) (<= 89 ULTIMATE.start_main_~x~4)), 51947#(and (<= ULTIMATE.start_main_~x~4 90) (<= 90 ULTIMATE.start_main_~x~4)), 51948#(and (<= ULTIMATE.start_main_~x~4 91) (<= 91 ULTIMATE.start_main_~x~4)), 51949#(and (<= ULTIMATE.start_main_~x~4 92) (<= 92 ULTIMATE.start_main_~x~4)), 51950#(and (<= ULTIMATE.start_main_~x~4 93) (<= 93 ULTIMATE.start_main_~x~4)), 51951#(and (<= ULTIMATE.start_main_~x~4 94) (<= 94 ULTIMATE.start_main_~x~4)), 51952#(and (<= 95 ULTIMATE.start_main_~x~4) (<= ULTIMATE.start_main_~x~4 95)), 51953#(and (<= ULTIMATE.start_main_~x~4 96) (<= 96 ULTIMATE.start_main_~x~4)), 51954#(and (<= 97 ULTIMATE.start_main_~x~4) (<= ULTIMATE.start_main_~x~4 97)), 51955#(and (<= ULTIMATE.start_main_~x~4 98) (<= 98 ULTIMATE.start_main_~x~4)), 51956#(and (<= 99 ULTIMATE.start_main_~x~4) (<= ULTIMATE.start_main_~x~4 99)), 51957#(and (<= ULTIMATE.start_main_~x~4 100) (<= 100 ULTIMATE.start_main_~x~4)), 51958#(and (<= ULTIMATE.start_main_~x~4 101) (<= 101 ULTIMATE.start_main_~x~4)), 51959#(and (<= 102 ULTIMATE.start_main_~x~4) (<= ULTIMATE.start_main_~x~4 102)), 51960#(and (<= 103 ULTIMATE.start_main_~x~4) (<= ULTIMATE.start_main_~x~4 103)), 51961#(and (<= ULTIMATE.start_main_~x~4 104) (<= 104 ULTIMATE.start_main_~x~4))] [2018-07-23 13:50:56,621 INFO L134 CoverageAnalysis]: Checked inductivity of 10920 backedges. 0 proven. 10920 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-07-23 13:50:56,621 INFO L450 AbstractCegarLoop]: Interpolant automaton has 107 states [2018-07-23 13:50:56,622 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 107 interpolants. [2018-07-23 13:50:56,622 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=211, Invalid=11131, Unknown=0, NotChecked=0, Total=11342 [2018-07-23 13:50:56,622 INFO L87 Difference]: Start difference. First operand 213 states and 213 transitions. Second operand 107 states. [2018-07-23 13:50:57,418 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-07-23 13:50:57,418 INFO L93 Difference]: Finished difference Result 217 states and 217 transitions. [2018-07-23 13:50:57,418 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 107 states. [2018-07-23 13:50:57,418 INFO L78 Accepts]: Start accepts. Automaton has 107 states. Word has length 212 [2018-07-23 13:50:57,419 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-07-23 13:50:57,419 INFO L225 Difference]: With dead ends: 217 [2018-07-23 13:50:57,419 INFO L226 Difference]: Without dead ends: 215 [2018-07-23 13:50:57,420 INFO L575 BasicCegarLoop]: 0 DeclaredPredicates, 106 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 105 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.4s TimeCoverageRelationStatistics Valid=211, Invalid=11131, Unknown=0, NotChecked=0, Total=11342 [2018-07-23 13:50:57,420 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 215 states. [2018-07-23 13:50:57,428 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 215 to 215. [2018-07-23 13:50:57,428 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 215 states. [2018-07-23 13:50:57,429 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 215 states to 215 states and 215 transitions. [2018-07-23 13:50:57,429 INFO L78 Accepts]: Start accepts. Automaton has 215 states and 215 transitions. Word has length 212 [2018-07-23 13:50:57,429 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-07-23 13:50:57,429 INFO L471 AbstractCegarLoop]: Abstraction has 215 states and 215 transitions. [2018-07-23 13:50:57,429 INFO L472 AbstractCegarLoop]: Interpolant automaton has 107 states. [2018-07-23 13:50:57,429 INFO L276 IsEmpty]: Start isEmpty. Operand 215 states and 215 transitions. [2018-07-23 13:50:57,430 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 215 [2018-07-23 13:50:57,430 INFO L349 BasicCegarLoop]: Found error trace [2018-07-23 13:50:57,430 INFO L357 BasicCegarLoop]: trace histogram [106, 105, 1, 1, 1] [2018-07-23 13:50:57,431 INFO L414 AbstractCegarLoop]: === Iteration 106 === [ULTIMATE.startErr0AssertViolationASSERT]=== [2018-07-23 13:50:57,431 INFO L82 PathProgramCache]: Analyzing trace with hash -752105711, now seen corresponding path program 105 times [2018-07-23 13:50:57,431 INFO L69 tionRefinementEngine]: Using refinement strategy FixedRefinementStrategy [2018-07-23 13:50:57,545 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-07-23 13:50:58,133 INFO L134 CoverageAnalysis]: Checked inductivity of 11130 backedges. 0 proven. 11130 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-07-23 13:50:58,134 INFO L309 seRefinementStrategy]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2018-07-23 13:50:58,134 INFO L324 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [107] total 107 [2018-07-23 13:50:58,134 INFO L142 lantAutomatonBuilder]: Constructing canonical interpolant automaton, with selfloop in false state [2018-07-23 13:50:58,134 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-07-23 13:50:58,134 INFO L185 omatonBuilderFactory]: Interpolants [52826#true, 52827#false, 52828#(and (<= ULTIMATE.start_main_~x~4 0) (<= 0 ULTIMATE.start_main_~x~4)), 52829#(and (<= ULTIMATE.start_main_~x~4 1) (<= 1 ULTIMATE.start_main_~x~4)), 52830#(and (<= 2 ULTIMATE.start_main_~x~4) (<= ULTIMATE.start_main_~x~4 2)), 52831#(and (<= 3 ULTIMATE.start_main_~x~4) (<= ULTIMATE.start_main_~x~4 3)), 52832#(and (<= ULTIMATE.start_main_~x~4 4) (<= 4 ULTIMATE.start_main_~x~4)), 52833#(and (<= ULTIMATE.start_main_~x~4 5) (<= 5 ULTIMATE.start_main_~x~4)), 52834#(and (<= 6 ULTIMATE.start_main_~x~4) (<= ULTIMATE.start_main_~x~4 6)), 52835#(and (<= ULTIMATE.start_main_~x~4 7) (<= 7 ULTIMATE.start_main_~x~4)), 52836#(and (<= ULTIMATE.start_main_~x~4 8) (<= 8 ULTIMATE.start_main_~x~4)), 52837#(and (<= 9 ULTIMATE.start_main_~x~4) (<= ULTIMATE.start_main_~x~4 9)), 52838#(and (<= ULTIMATE.start_main_~x~4 10) (<= 10 ULTIMATE.start_main_~x~4)), 52839#(and (<= ULTIMATE.start_main_~x~4 11) (<= 11 ULTIMATE.start_main_~x~4)), 52840#(and (<= 12 ULTIMATE.start_main_~x~4) (<= ULTIMATE.start_main_~x~4 12)), 52841#(and (<= ULTIMATE.start_main_~x~4 13) (<= 13 ULTIMATE.start_main_~x~4)), 52842#(and (<= 14 ULTIMATE.start_main_~x~4) (<= ULTIMATE.start_main_~x~4 14)), 52843#(and (<= 15 ULTIMATE.start_main_~x~4) (<= ULTIMATE.start_main_~x~4 15)), 52844#(and (<= ULTIMATE.start_main_~x~4 16) (<= 16 ULTIMATE.start_main_~x~4)), 52845#(and (<= ULTIMATE.start_main_~x~4 17) (<= 17 ULTIMATE.start_main_~x~4)), 52846#(and (<= 18 ULTIMATE.start_main_~x~4) (<= ULTIMATE.start_main_~x~4 18)), 52847#(and (<= 19 ULTIMATE.start_main_~x~4) (<= ULTIMATE.start_main_~x~4 19)), 52848#(and (<= 20 ULTIMATE.start_main_~x~4) (<= ULTIMATE.start_main_~x~4 20)), 52849#(and (<= ULTIMATE.start_main_~x~4 21) (<= 21 ULTIMATE.start_main_~x~4)), 52850#(and (<= ULTIMATE.start_main_~x~4 22) (<= 22 ULTIMATE.start_main_~x~4)), 52851#(and (<= ULTIMATE.start_main_~x~4 23) (<= 23 ULTIMATE.start_main_~x~4)), 52852#(and (<= ULTIMATE.start_main_~x~4 24) (<= 24 ULTIMATE.start_main_~x~4)), 52853#(and (<= ULTIMATE.start_main_~x~4 25) (<= 25 ULTIMATE.start_main_~x~4)), 52854#(and (<= ULTIMATE.start_main_~x~4 26) (<= 26 ULTIMATE.start_main_~x~4)), 52855#(and (<= ULTIMATE.start_main_~x~4 27) (<= 27 ULTIMATE.start_main_~x~4)), 52856#(and (<= ULTIMATE.start_main_~x~4 28) (<= 28 ULTIMATE.start_main_~x~4)), 52857#(and (<= 29 ULTIMATE.start_main_~x~4) (<= ULTIMATE.start_main_~x~4 29)), 52858#(and (<= ULTIMATE.start_main_~x~4 30) (<= 30 ULTIMATE.start_main_~x~4)), 52859#(and (<= ULTIMATE.start_main_~x~4 31) (<= 31 ULTIMATE.start_main_~x~4)), 52860#(and (<= ULTIMATE.start_main_~x~4 32) (<= 32 ULTIMATE.start_main_~x~4)), 52861#(and (<= ULTIMATE.start_main_~x~4 33) (<= 33 ULTIMATE.start_main_~x~4)), 52862#(and (<= 34 ULTIMATE.start_main_~x~4) (<= ULTIMATE.start_main_~x~4 34)), 52863#(and (<= ULTIMATE.start_main_~x~4 35) (<= 35 ULTIMATE.start_main_~x~4)), 52864#(and (<= 36 ULTIMATE.start_main_~x~4) (<= ULTIMATE.start_main_~x~4 36)), 52865#(and (<= ULTIMATE.start_main_~x~4 37) (<= 37 ULTIMATE.start_main_~x~4)), 52866#(and (<= 38 ULTIMATE.start_main_~x~4) (<= ULTIMATE.start_main_~x~4 38)), 52867#(and (<= ULTIMATE.start_main_~x~4 39) (<= 39 ULTIMATE.start_main_~x~4)), 52868#(and (<= ULTIMATE.start_main_~x~4 40) (<= 40 ULTIMATE.start_main_~x~4)), 52869#(and (<= ULTIMATE.start_main_~x~4 41) (<= 41 ULTIMATE.start_main_~x~4)), 52870#(and (<= ULTIMATE.start_main_~x~4 42) (<= 42 ULTIMATE.start_main_~x~4)), 52871#(and (<= ULTIMATE.start_main_~x~4 43) (<= 43 ULTIMATE.start_main_~x~4)), 52872#(and (<= 44 ULTIMATE.start_main_~x~4) (<= ULTIMATE.start_main_~x~4 44)), 52873#(and (<= 45 ULTIMATE.start_main_~x~4) (<= ULTIMATE.start_main_~x~4 45)), 52874#(and (<= ULTIMATE.start_main_~x~4 46) (<= 46 ULTIMATE.start_main_~x~4)), 52875#(and (<= 47 ULTIMATE.start_main_~x~4) (<= ULTIMATE.start_main_~x~4 47)), 52876#(and (<= 48 ULTIMATE.start_main_~x~4) (<= ULTIMATE.start_main_~x~4 48)), 52877#(and (<= 49 ULTIMATE.start_main_~x~4) (<= ULTIMATE.start_main_~x~4 49)), 52878#(and (<= ULTIMATE.start_main_~x~4 50) (<= 50 ULTIMATE.start_main_~x~4)), 52879#(and (<= 51 ULTIMATE.start_main_~x~4) (<= ULTIMATE.start_main_~x~4 51)), 52880#(and (<= ULTIMATE.start_main_~x~4 52) (<= 52 ULTIMATE.start_main_~x~4)), 52881#(and (<= 53 ULTIMATE.start_main_~x~4) (<= ULTIMATE.start_main_~x~4 53)), 52882#(and (<= ULTIMATE.start_main_~x~4 54) (<= 54 ULTIMATE.start_main_~x~4)), 52883#(and (<= 55 ULTIMATE.start_main_~x~4) (<= ULTIMATE.start_main_~x~4 55)), 52884#(and (<= 56 ULTIMATE.start_main_~x~4) (<= ULTIMATE.start_main_~x~4 56)), 52885#(and (<= 57 ULTIMATE.start_main_~x~4) (<= ULTIMATE.start_main_~x~4 57)), 52886#(and (<= 58 ULTIMATE.start_main_~x~4) (<= ULTIMATE.start_main_~x~4 58)), 52887#(and (<= ULTIMATE.start_main_~x~4 59) (<= 59 ULTIMATE.start_main_~x~4)), 52888#(and (<= 60 ULTIMATE.start_main_~x~4) (<= ULTIMATE.start_main_~x~4 60)), 52889#(and (<= 61 ULTIMATE.start_main_~x~4) (<= ULTIMATE.start_main_~x~4 61)), 52890#(and (<= ULTIMATE.start_main_~x~4 62) (<= 62 ULTIMATE.start_main_~x~4)), 52891#(and (<= 63 ULTIMATE.start_main_~x~4) (<= ULTIMATE.start_main_~x~4 63)), 52892#(and (<= ULTIMATE.start_main_~x~4 64) (<= 64 ULTIMATE.start_main_~x~4)), 52893#(and (<= 65 ULTIMATE.start_main_~x~4) (<= ULTIMATE.start_main_~x~4 65)), 52894#(and (<= 66 ULTIMATE.start_main_~x~4) (<= ULTIMATE.start_main_~x~4 66)), 52895#(and (<= 67 ULTIMATE.start_main_~x~4) (<= ULTIMATE.start_main_~x~4 67)), 52896#(and (<= ULTIMATE.start_main_~x~4 68) (<= 68 ULTIMATE.start_main_~x~4)), 52897#(and (<= 69 ULTIMATE.start_main_~x~4) (<= ULTIMATE.start_main_~x~4 69)), 52898#(and (<= ULTIMATE.start_main_~x~4 70) (<= 70 ULTIMATE.start_main_~x~4)), 52899#(and (<= 71 ULTIMATE.start_main_~x~4) (<= ULTIMATE.start_main_~x~4 71)), 52900#(and (<= 72 ULTIMATE.start_main_~x~4) (<= ULTIMATE.start_main_~x~4 72)), 52901#(and (<= ULTIMATE.start_main_~x~4 73) (<= 73 ULTIMATE.start_main_~x~4)), 52902#(and (<= 74 ULTIMATE.start_main_~x~4) (<= ULTIMATE.start_main_~x~4 74)), 52903#(and (<= ULTIMATE.start_main_~x~4 75) (<= 75 ULTIMATE.start_main_~x~4)), 52904#(and (<= ULTIMATE.start_main_~x~4 76) (<= 76 ULTIMATE.start_main_~x~4)), 52905#(and (<= ULTIMATE.start_main_~x~4 77) (<= 77 ULTIMATE.start_main_~x~4)), 52906#(and (<= ULTIMATE.start_main_~x~4 78) (<= 78 ULTIMATE.start_main_~x~4)), 52907#(and (<= 79 ULTIMATE.start_main_~x~4) (<= ULTIMATE.start_main_~x~4 79)), 52908#(and (<= ULTIMATE.start_main_~x~4 80) (<= 80 ULTIMATE.start_main_~x~4)), 52909#(and (<= ULTIMATE.start_main_~x~4 81) (<= 81 ULTIMATE.start_main_~x~4)), 52910#(and (<= ULTIMATE.start_main_~x~4 82) (<= 82 ULTIMATE.start_main_~x~4)), 52911#(and (<= 83 ULTIMATE.start_main_~x~4) (<= ULTIMATE.start_main_~x~4 83)), 52912#(and (<= ULTIMATE.start_main_~x~4 84) (<= 84 ULTIMATE.start_main_~x~4)), 52913#(and (<= 85 ULTIMATE.start_main_~x~4) (<= ULTIMATE.start_main_~x~4 85)), 52914#(and (<= 86 ULTIMATE.start_main_~x~4) (<= ULTIMATE.start_main_~x~4 86)), 52915#(and (<= ULTIMATE.start_main_~x~4 87) (<= 87 ULTIMATE.start_main_~x~4)), 52916#(and (<= 88 ULTIMATE.start_main_~x~4) (<= ULTIMATE.start_main_~x~4 88)), 52917#(and (<= ULTIMATE.start_main_~x~4 89) (<= 89 ULTIMATE.start_main_~x~4)), 52918#(and (<= ULTIMATE.start_main_~x~4 90) (<= 90 ULTIMATE.start_main_~x~4)), 52919#(and (<= ULTIMATE.start_main_~x~4 91) (<= 91 ULTIMATE.start_main_~x~4)), 52920#(and (<= ULTIMATE.start_main_~x~4 92) (<= 92 ULTIMATE.start_main_~x~4)), 52921#(and (<= ULTIMATE.start_main_~x~4 93) (<= 93 ULTIMATE.start_main_~x~4)), 52922#(and (<= ULTIMATE.start_main_~x~4 94) (<= 94 ULTIMATE.start_main_~x~4)), 52923#(and (<= 95 ULTIMATE.start_main_~x~4) (<= ULTIMATE.start_main_~x~4 95)), 52924#(and (<= ULTIMATE.start_main_~x~4 96) (<= 96 ULTIMATE.start_main_~x~4)), 52925#(and (<= 97 ULTIMATE.start_main_~x~4) (<= ULTIMATE.start_main_~x~4 97)), 52926#(and (<= ULTIMATE.start_main_~x~4 98) (<= 98 ULTIMATE.start_main_~x~4)), 52927#(and (<= 99 ULTIMATE.start_main_~x~4) (<= ULTIMATE.start_main_~x~4 99)), 52928#(and (<= ULTIMATE.start_main_~x~4 100) (<= 100 ULTIMATE.start_main_~x~4)), 52929#(and (<= ULTIMATE.start_main_~x~4 101) (<= 101 ULTIMATE.start_main_~x~4)), 52930#(and (<= 102 ULTIMATE.start_main_~x~4) (<= ULTIMATE.start_main_~x~4 102)), 52931#(and (<= 103 ULTIMATE.start_main_~x~4) (<= ULTIMATE.start_main_~x~4 103)), 52932#(and (<= ULTIMATE.start_main_~x~4 104) (<= 104 ULTIMATE.start_main_~x~4)), 52933#(and (<= 105 ULTIMATE.start_main_~x~4) (<= ULTIMATE.start_main_~x~4 105))] [2018-07-23 13:50:58,135 INFO L134 CoverageAnalysis]: Checked inductivity of 11130 backedges. 0 proven. 11130 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-07-23 13:50:58,135 INFO L450 AbstractCegarLoop]: Interpolant automaton has 108 states [2018-07-23 13:50:58,135 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 108 interpolants. [2018-07-23 13:50:58,136 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=213, Invalid=11343, Unknown=0, NotChecked=0, Total=11556 [2018-07-23 13:50:58,136 INFO L87 Difference]: Start difference. First operand 215 states and 215 transitions. Second operand 108 states. [2018-07-23 13:50:58,969 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-07-23 13:50:58,970 INFO L93 Difference]: Finished difference Result 219 states and 219 transitions. [2018-07-23 13:50:58,970 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 108 states. [2018-07-23 13:50:58,970 INFO L78 Accepts]: Start accepts. Automaton has 108 states. Word has length 214 [2018-07-23 13:50:58,970 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-07-23 13:50:58,971 INFO L225 Difference]: With dead ends: 219 [2018-07-23 13:50:58,971 INFO L226 Difference]: Without dead ends: 217 [2018-07-23 13:50:58,971 INFO L575 BasicCegarLoop]: 0 DeclaredPredicates, 107 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 106 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.4s TimeCoverageRelationStatistics Valid=213, Invalid=11343, Unknown=0, NotChecked=0, Total=11556 [2018-07-23 13:50:58,972 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 217 states. [2018-07-23 13:50:58,978 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 217 to 217. [2018-07-23 13:50:58,978 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 217 states. [2018-07-23 13:50:58,979 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 217 states to 217 states and 217 transitions. [2018-07-23 13:50:58,979 INFO L78 Accepts]: Start accepts. Automaton has 217 states and 217 transitions. Word has length 214 [2018-07-23 13:50:58,979 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-07-23 13:50:58,979 INFO L471 AbstractCegarLoop]: Abstraction has 217 states and 217 transitions. [2018-07-23 13:50:58,979 INFO L472 AbstractCegarLoop]: Interpolant automaton has 108 states. [2018-07-23 13:50:58,979 INFO L276 IsEmpty]: Start isEmpty. Operand 217 states and 217 transitions. [2018-07-23 13:50:58,980 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 217 [2018-07-23 13:50:58,980 INFO L349 BasicCegarLoop]: Found error trace [2018-07-23 13:50:58,980 INFO L357 BasicCegarLoop]: trace histogram [107, 106, 1, 1, 1] [2018-07-23 13:50:58,980 INFO L414 AbstractCegarLoop]: === Iteration 107 === [ULTIMATE.startErr0AssertViolationASSERT]=== [2018-07-23 13:50:58,980 INFO L82 PathProgramCache]: Analyzing trace with hash -1219030453, now seen corresponding path program 106 times [2018-07-23 13:50:58,981 INFO L69 tionRefinementEngine]: Using refinement strategy FixedRefinementStrategy [2018-07-23 13:50:59,110 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-07-23 13:50:59,692 INFO L134 CoverageAnalysis]: Checked inductivity of 11342 backedges. 0 proven. 11342 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-07-23 13:50:59,693 INFO L309 seRefinementStrategy]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2018-07-23 13:50:59,693 INFO L324 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [108] total 108 [2018-07-23 13:50:59,693 INFO L142 lantAutomatonBuilder]: Constructing canonical interpolant automaton, with selfloop in false state [2018-07-23 13:50:59,693 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-07-23 13:50:59,694 INFO L185 omatonBuilderFactory]: Interpolants [53806#true, 53807#false, 53808#(and (<= ULTIMATE.start_main_~x~4 0) (<= 0 ULTIMATE.start_main_~x~4)), 53809#(and (<= ULTIMATE.start_main_~x~4 1) (<= 1 ULTIMATE.start_main_~x~4)), 53810#(and (<= 2 ULTIMATE.start_main_~x~4) (<= ULTIMATE.start_main_~x~4 2)), 53811#(and (<= 3 ULTIMATE.start_main_~x~4) (<= ULTIMATE.start_main_~x~4 3)), 53812#(and (<= ULTIMATE.start_main_~x~4 4) (<= 4 ULTIMATE.start_main_~x~4)), 53813#(and (<= ULTIMATE.start_main_~x~4 5) (<= 5 ULTIMATE.start_main_~x~4)), 53814#(and (<= 6 ULTIMATE.start_main_~x~4) (<= ULTIMATE.start_main_~x~4 6)), 53815#(and (<= ULTIMATE.start_main_~x~4 7) (<= 7 ULTIMATE.start_main_~x~4)), 53816#(and (<= ULTIMATE.start_main_~x~4 8) (<= 8 ULTIMATE.start_main_~x~4)), 53817#(and (<= 9 ULTIMATE.start_main_~x~4) (<= ULTIMATE.start_main_~x~4 9)), 53818#(and (<= ULTIMATE.start_main_~x~4 10) (<= 10 ULTIMATE.start_main_~x~4)), 53819#(and (<= ULTIMATE.start_main_~x~4 11) (<= 11 ULTIMATE.start_main_~x~4)), 53820#(and (<= 12 ULTIMATE.start_main_~x~4) (<= ULTIMATE.start_main_~x~4 12)), 53821#(and (<= ULTIMATE.start_main_~x~4 13) (<= 13 ULTIMATE.start_main_~x~4)), 53822#(and (<= 14 ULTIMATE.start_main_~x~4) (<= ULTIMATE.start_main_~x~4 14)), 53823#(and (<= 15 ULTIMATE.start_main_~x~4) (<= ULTIMATE.start_main_~x~4 15)), 53824#(and (<= ULTIMATE.start_main_~x~4 16) (<= 16 ULTIMATE.start_main_~x~4)), 53825#(and (<= ULTIMATE.start_main_~x~4 17) (<= 17 ULTIMATE.start_main_~x~4)), 53826#(and (<= 18 ULTIMATE.start_main_~x~4) (<= ULTIMATE.start_main_~x~4 18)), 53827#(and (<= 19 ULTIMATE.start_main_~x~4) (<= ULTIMATE.start_main_~x~4 19)), 53828#(and (<= 20 ULTIMATE.start_main_~x~4) (<= ULTIMATE.start_main_~x~4 20)), 53829#(and (<= ULTIMATE.start_main_~x~4 21) (<= 21 ULTIMATE.start_main_~x~4)), 53830#(and (<= ULTIMATE.start_main_~x~4 22) (<= 22 ULTIMATE.start_main_~x~4)), 53831#(and (<= ULTIMATE.start_main_~x~4 23) (<= 23 ULTIMATE.start_main_~x~4)), 53832#(and (<= ULTIMATE.start_main_~x~4 24) (<= 24 ULTIMATE.start_main_~x~4)), 53833#(and (<= ULTIMATE.start_main_~x~4 25) (<= 25 ULTIMATE.start_main_~x~4)), 53834#(and (<= ULTIMATE.start_main_~x~4 26) (<= 26 ULTIMATE.start_main_~x~4)), 53835#(and (<= ULTIMATE.start_main_~x~4 27) (<= 27 ULTIMATE.start_main_~x~4)), 53836#(and (<= ULTIMATE.start_main_~x~4 28) (<= 28 ULTIMATE.start_main_~x~4)), 53837#(and (<= 29 ULTIMATE.start_main_~x~4) (<= ULTIMATE.start_main_~x~4 29)), 53838#(and (<= ULTIMATE.start_main_~x~4 30) (<= 30 ULTIMATE.start_main_~x~4)), 53839#(and (<= ULTIMATE.start_main_~x~4 31) (<= 31 ULTIMATE.start_main_~x~4)), 53840#(and (<= ULTIMATE.start_main_~x~4 32) (<= 32 ULTIMATE.start_main_~x~4)), 53841#(and (<= ULTIMATE.start_main_~x~4 33) (<= 33 ULTIMATE.start_main_~x~4)), 53842#(and (<= 34 ULTIMATE.start_main_~x~4) (<= ULTIMATE.start_main_~x~4 34)), 53843#(and (<= ULTIMATE.start_main_~x~4 35) (<= 35 ULTIMATE.start_main_~x~4)), 53844#(and (<= 36 ULTIMATE.start_main_~x~4) (<= ULTIMATE.start_main_~x~4 36)), 53845#(and (<= ULTIMATE.start_main_~x~4 37) (<= 37 ULTIMATE.start_main_~x~4)), 53846#(and (<= 38 ULTIMATE.start_main_~x~4) (<= ULTIMATE.start_main_~x~4 38)), 53847#(and (<= ULTIMATE.start_main_~x~4 39) (<= 39 ULTIMATE.start_main_~x~4)), 53848#(and (<= ULTIMATE.start_main_~x~4 40) (<= 40 ULTIMATE.start_main_~x~4)), 53849#(and (<= ULTIMATE.start_main_~x~4 41) (<= 41 ULTIMATE.start_main_~x~4)), 53850#(and (<= ULTIMATE.start_main_~x~4 42) (<= 42 ULTIMATE.start_main_~x~4)), 53851#(and (<= ULTIMATE.start_main_~x~4 43) (<= 43 ULTIMATE.start_main_~x~4)), 53852#(and (<= 44 ULTIMATE.start_main_~x~4) (<= ULTIMATE.start_main_~x~4 44)), 53853#(and (<= 45 ULTIMATE.start_main_~x~4) (<= ULTIMATE.start_main_~x~4 45)), 53854#(and (<= ULTIMATE.start_main_~x~4 46) (<= 46 ULTIMATE.start_main_~x~4)), 53855#(and (<= 47 ULTIMATE.start_main_~x~4) (<= ULTIMATE.start_main_~x~4 47)), 53856#(and (<= 48 ULTIMATE.start_main_~x~4) (<= ULTIMATE.start_main_~x~4 48)), 53857#(and (<= 49 ULTIMATE.start_main_~x~4) (<= ULTIMATE.start_main_~x~4 49)), 53858#(and (<= ULTIMATE.start_main_~x~4 50) (<= 50 ULTIMATE.start_main_~x~4)), 53859#(and (<= 51 ULTIMATE.start_main_~x~4) (<= ULTIMATE.start_main_~x~4 51)), 53860#(and (<= ULTIMATE.start_main_~x~4 52) (<= 52 ULTIMATE.start_main_~x~4)), 53861#(and (<= 53 ULTIMATE.start_main_~x~4) (<= ULTIMATE.start_main_~x~4 53)), 53862#(and (<= ULTIMATE.start_main_~x~4 54) (<= 54 ULTIMATE.start_main_~x~4)), 53863#(and (<= 55 ULTIMATE.start_main_~x~4) (<= ULTIMATE.start_main_~x~4 55)), 53864#(and (<= 56 ULTIMATE.start_main_~x~4) (<= ULTIMATE.start_main_~x~4 56)), 53865#(and (<= 57 ULTIMATE.start_main_~x~4) (<= ULTIMATE.start_main_~x~4 57)), 53866#(and (<= 58 ULTIMATE.start_main_~x~4) (<= ULTIMATE.start_main_~x~4 58)), 53867#(and (<= ULTIMATE.start_main_~x~4 59) (<= 59 ULTIMATE.start_main_~x~4)), 53868#(and (<= 60 ULTIMATE.start_main_~x~4) (<= ULTIMATE.start_main_~x~4 60)), 53869#(and (<= 61 ULTIMATE.start_main_~x~4) (<= ULTIMATE.start_main_~x~4 61)), 53870#(and (<= ULTIMATE.start_main_~x~4 62) (<= 62 ULTIMATE.start_main_~x~4)), 53871#(and (<= 63 ULTIMATE.start_main_~x~4) (<= ULTIMATE.start_main_~x~4 63)), 53872#(and (<= ULTIMATE.start_main_~x~4 64) (<= 64 ULTIMATE.start_main_~x~4)), 53873#(and (<= 65 ULTIMATE.start_main_~x~4) (<= ULTIMATE.start_main_~x~4 65)), 53874#(and (<= 66 ULTIMATE.start_main_~x~4) (<= ULTIMATE.start_main_~x~4 66)), 53875#(and (<= 67 ULTIMATE.start_main_~x~4) (<= ULTIMATE.start_main_~x~4 67)), 53876#(and (<= ULTIMATE.start_main_~x~4 68) (<= 68 ULTIMATE.start_main_~x~4)), 53877#(and (<= 69 ULTIMATE.start_main_~x~4) (<= ULTIMATE.start_main_~x~4 69)), 53878#(and (<= ULTIMATE.start_main_~x~4 70) (<= 70 ULTIMATE.start_main_~x~4)), 53879#(and (<= 71 ULTIMATE.start_main_~x~4) (<= ULTIMATE.start_main_~x~4 71)), 53880#(and (<= 72 ULTIMATE.start_main_~x~4) (<= ULTIMATE.start_main_~x~4 72)), 53881#(and (<= ULTIMATE.start_main_~x~4 73) (<= 73 ULTIMATE.start_main_~x~4)), 53882#(and (<= 74 ULTIMATE.start_main_~x~4) (<= ULTIMATE.start_main_~x~4 74)), 53883#(and (<= ULTIMATE.start_main_~x~4 75) (<= 75 ULTIMATE.start_main_~x~4)), 53884#(and (<= ULTIMATE.start_main_~x~4 76) (<= 76 ULTIMATE.start_main_~x~4)), 53885#(and (<= ULTIMATE.start_main_~x~4 77) (<= 77 ULTIMATE.start_main_~x~4)), 53886#(and (<= ULTIMATE.start_main_~x~4 78) (<= 78 ULTIMATE.start_main_~x~4)), 53887#(and (<= 79 ULTIMATE.start_main_~x~4) (<= ULTIMATE.start_main_~x~4 79)), 53888#(and (<= ULTIMATE.start_main_~x~4 80) (<= 80 ULTIMATE.start_main_~x~4)), 53889#(and (<= ULTIMATE.start_main_~x~4 81) (<= 81 ULTIMATE.start_main_~x~4)), 53890#(and (<= ULTIMATE.start_main_~x~4 82) (<= 82 ULTIMATE.start_main_~x~4)), 53891#(and (<= 83 ULTIMATE.start_main_~x~4) (<= ULTIMATE.start_main_~x~4 83)), 53892#(and (<= ULTIMATE.start_main_~x~4 84) (<= 84 ULTIMATE.start_main_~x~4)), 53893#(and (<= 85 ULTIMATE.start_main_~x~4) (<= ULTIMATE.start_main_~x~4 85)), 53894#(and (<= 86 ULTIMATE.start_main_~x~4) (<= ULTIMATE.start_main_~x~4 86)), 53895#(and (<= ULTIMATE.start_main_~x~4 87) (<= 87 ULTIMATE.start_main_~x~4)), 53896#(and (<= 88 ULTIMATE.start_main_~x~4) (<= ULTIMATE.start_main_~x~4 88)), 53897#(and (<= ULTIMATE.start_main_~x~4 89) (<= 89 ULTIMATE.start_main_~x~4)), 53898#(and (<= ULTIMATE.start_main_~x~4 90) (<= 90 ULTIMATE.start_main_~x~4)), 53899#(and (<= ULTIMATE.start_main_~x~4 91) (<= 91 ULTIMATE.start_main_~x~4)), 53900#(and (<= ULTIMATE.start_main_~x~4 92) (<= 92 ULTIMATE.start_main_~x~4)), 53901#(and (<= ULTIMATE.start_main_~x~4 93) (<= 93 ULTIMATE.start_main_~x~4)), 53902#(and (<= ULTIMATE.start_main_~x~4 94) (<= 94 ULTIMATE.start_main_~x~4)), 53903#(and (<= 95 ULTIMATE.start_main_~x~4) (<= ULTIMATE.start_main_~x~4 95)), 53904#(and (<= ULTIMATE.start_main_~x~4 96) (<= 96 ULTIMATE.start_main_~x~4)), 53905#(and (<= 97 ULTIMATE.start_main_~x~4) (<= ULTIMATE.start_main_~x~4 97)), 53906#(and (<= ULTIMATE.start_main_~x~4 98) (<= 98 ULTIMATE.start_main_~x~4)), 53907#(and (<= 99 ULTIMATE.start_main_~x~4) (<= ULTIMATE.start_main_~x~4 99)), 53908#(and (<= ULTIMATE.start_main_~x~4 100) (<= 100 ULTIMATE.start_main_~x~4)), 53909#(and (<= ULTIMATE.start_main_~x~4 101) (<= 101 ULTIMATE.start_main_~x~4)), 53910#(and (<= 102 ULTIMATE.start_main_~x~4) (<= ULTIMATE.start_main_~x~4 102)), 53911#(and (<= 103 ULTIMATE.start_main_~x~4) (<= ULTIMATE.start_main_~x~4 103)), 53912#(and (<= ULTIMATE.start_main_~x~4 104) (<= 104 ULTIMATE.start_main_~x~4)), 53913#(and (<= 105 ULTIMATE.start_main_~x~4) (<= ULTIMATE.start_main_~x~4 105)), 53914#(and (<= 106 ULTIMATE.start_main_~x~4) (<= ULTIMATE.start_main_~x~4 106))] [2018-07-23 13:50:59,694 INFO L134 CoverageAnalysis]: Checked inductivity of 11342 backedges. 0 proven. 11342 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-07-23 13:50:59,694 INFO L450 AbstractCegarLoop]: Interpolant automaton has 109 states [2018-07-23 13:50:59,695 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 109 interpolants. [2018-07-23 13:50:59,695 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=215, Invalid=11557, Unknown=0, NotChecked=0, Total=11772 [2018-07-23 13:50:59,696 INFO L87 Difference]: Start difference. First operand 217 states and 217 transitions. Second operand 109 states. [2018-07-23 13:51:00,516 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-07-23 13:51:00,517 INFO L93 Difference]: Finished difference Result 221 states and 221 transitions. [2018-07-23 13:51:00,517 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 109 states. [2018-07-23 13:51:00,517 INFO L78 Accepts]: Start accepts. Automaton has 109 states. Word has length 216 [2018-07-23 13:51:00,517 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-07-23 13:51:00,518 INFO L225 Difference]: With dead ends: 221 [2018-07-23 13:51:00,518 INFO L226 Difference]: Without dead ends: 219 [2018-07-23 13:51:00,519 INFO L575 BasicCegarLoop]: 0 DeclaredPredicates, 108 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 107 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.4s TimeCoverageRelationStatistics Valid=215, Invalid=11557, Unknown=0, NotChecked=0, Total=11772 [2018-07-23 13:51:00,519 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 219 states. [2018-07-23 13:51:00,525 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 219 to 219. [2018-07-23 13:51:00,525 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 219 states. [2018-07-23 13:51:00,525 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 219 states to 219 states and 219 transitions. [2018-07-23 13:51:00,525 INFO L78 Accepts]: Start accepts. Automaton has 219 states and 219 transitions. Word has length 216 [2018-07-23 13:51:00,525 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-07-23 13:51:00,525 INFO L471 AbstractCegarLoop]: Abstraction has 219 states and 219 transitions. [2018-07-23 13:51:00,526 INFO L472 AbstractCegarLoop]: Interpolant automaton has 109 states. [2018-07-23 13:51:00,526 INFO L276 IsEmpty]: Start isEmpty. Operand 219 states and 219 transitions. [2018-07-23 13:51:00,526 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 219 [2018-07-23 13:51:00,526 INFO L349 BasicCegarLoop]: Found error trace [2018-07-23 13:51:00,526 INFO L357 BasicCegarLoop]: trace histogram [108, 107, 1, 1, 1] [2018-07-23 13:51:00,527 INFO L414 AbstractCegarLoop]: === Iteration 108 === [ULTIMATE.startErr0AssertViolationASSERT]=== [2018-07-23 13:51:00,527 INFO L82 PathProgramCache]: Analyzing trace with hash 1037858565, now seen corresponding path program 107 times [2018-07-23 13:51:00,527 INFO L69 tionRefinementEngine]: Using refinement strategy FixedRefinementStrategy [2018-07-23 13:51:00,653 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-07-23 13:51:01,275 INFO L134 CoverageAnalysis]: Checked inductivity of 11556 backedges. 0 proven. 11556 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-07-23 13:51:01,276 INFO L309 seRefinementStrategy]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2018-07-23 13:51:01,276 INFO L324 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [109] total 109 [2018-07-23 13:51:01,276 INFO L142 lantAutomatonBuilder]: Constructing canonical interpolant automaton, with selfloop in false state [2018-07-23 13:51:01,276 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-07-23 13:51:01,277 INFO L185 omatonBuilderFactory]: Interpolants [54795#true, 54796#false, 54797#(and (<= ULTIMATE.start_main_~x~4 0) (<= 0 ULTIMATE.start_main_~x~4)), 54798#(and (<= ULTIMATE.start_main_~x~4 1) (<= 1 ULTIMATE.start_main_~x~4)), 54799#(and (<= 2 ULTIMATE.start_main_~x~4) (<= ULTIMATE.start_main_~x~4 2)), 54800#(and (<= 3 ULTIMATE.start_main_~x~4) (<= ULTIMATE.start_main_~x~4 3)), 54801#(and (<= ULTIMATE.start_main_~x~4 4) (<= 4 ULTIMATE.start_main_~x~4)), 54802#(and (<= ULTIMATE.start_main_~x~4 5) (<= 5 ULTIMATE.start_main_~x~4)), 54803#(and (<= 6 ULTIMATE.start_main_~x~4) (<= ULTIMATE.start_main_~x~4 6)), 54804#(and (<= ULTIMATE.start_main_~x~4 7) (<= 7 ULTIMATE.start_main_~x~4)), 54805#(and (<= ULTIMATE.start_main_~x~4 8) (<= 8 ULTIMATE.start_main_~x~4)), 54806#(and (<= 9 ULTIMATE.start_main_~x~4) (<= ULTIMATE.start_main_~x~4 9)), 54807#(and (<= ULTIMATE.start_main_~x~4 10) (<= 10 ULTIMATE.start_main_~x~4)), 54808#(and (<= ULTIMATE.start_main_~x~4 11) (<= 11 ULTIMATE.start_main_~x~4)), 54809#(and (<= 12 ULTIMATE.start_main_~x~4) (<= ULTIMATE.start_main_~x~4 12)), 54810#(and (<= ULTIMATE.start_main_~x~4 13) (<= 13 ULTIMATE.start_main_~x~4)), 54811#(and (<= 14 ULTIMATE.start_main_~x~4) (<= ULTIMATE.start_main_~x~4 14)), 54812#(and (<= 15 ULTIMATE.start_main_~x~4) (<= ULTIMATE.start_main_~x~4 15)), 54813#(and (<= ULTIMATE.start_main_~x~4 16) (<= 16 ULTIMATE.start_main_~x~4)), 54814#(and (<= ULTIMATE.start_main_~x~4 17) (<= 17 ULTIMATE.start_main_~x~4)), 54815#(and (<= 18 ULTIMATE.start_main_~x~4) (<= ULTIMATE.start_main_~x~4 18)), 54816#(and (<= 19 ULTIMATE.start_main_~x~4) (<= ULTIMATE.start_main_~x~4 19)), 54817#(and (<= 20 ULTIMATE.start_main_~x~4) (<= ULTIMATE.start_main_~x~4 20)), 54818#(and (<= ULTIMATE.start_main_~x~4 21) (<= 21 ULTIMATE.start_main_~x~4)), 54819#(and (<= ULTIMATE.start_main_~x~4 22) (<= 22 ULTIMATE.start_main_~x~4)), 54820#(and (<= ULTIMATE.start_main_~x~4 23) (<= 23 ULTIMATE.start_main_~x~4)), 54821#(and (<= ULTIMATE.start_main_~x~4 24) (<= 24 ULTIMATE.start_main_~x~4)), 54822#(and (<= ULTIMATE.start_main_~x~4 25) (<= 25 ULTIMATE.start_main_~x~4)), 54823#(and (<= ULTIMATE.start_main_~x~4 26) (<= 26 ULTIMATE.start_main_~x~4)), 54824#(and (<= ULTIMATE.start_main_~x~4 27) (<= 27 ULTIMATE.start_main_~x~4)), 54825#(and (<= ULTIMATE.start_main_~x~4 28) (<= 28 ULTIMATE.start_main_~x~4)), 54826#(and (<= 29 ULTIMATE.start_main_~x~4) (<= ULTIMATE.start_main_~x~4 29)), 54827#(and (<= ULTIMATE.start_main_~x~4 30) (<= 30 ULTIMATE.start_main_~x~4)), 54828#(and (<= ULTIMATE.start_main_~x~4 31) (<= 31 ULTIMATE.start_main_~x~4)), 54829#(and (<= ULTIMATE.start_main_~x~4 32) (<= 32 ULTIMATE.start_main_~x~4)), 54830#(and (<= ULTIMATE.start_main_~x~4 33) (<= 33 ULTIMATE.start_main_~x~4)), 54831#(and (<= 34 ULTIMATE.start_main_~x~4) (<= ULTIMATE.start_main_~x~4 34)), 54832#(and (<= ULTIMATE.start_main_~x~4 35) (<= 35 ULTIMATE.start_main_~x~4)), 54833#(and (<= 36 ULTIMATE.start_main_~x~4) (<= ULTIMATE.start_main_~x~4 36)), 54834#(and (<= ULTIMATE.start_main_~x~4 37) (<= 37 ULTIMATE.start_main_~x~4)), 54835#(and (<= 38 ULTIMATE.start_main_~x~4) (<= ULTIMATE.start_main_~x~4 38)), 54836#(and (<= ULTIMATE.start_main_~x~4 39) (<= 39 ULTIMATE.start_main_~x~4)), 54837#(and (<= ULTIMATE.start_main_~x~4 40) (<= 40 ULTIMATE.start_main_~x~4)), 54838#(and (<= ULTIMATE.start_main_~x~4 41) (<= 41 ULTIMATE.start_main_~x~4)), 54839#(and (<= ULTIMATE.start_main_~x~4 42) (<= 42 ULTIMATE.start_main_~x~4)), 54840#(and (<= ULTIMATE.start_main_~x~4 43) (<= 43 ULTIMATE.start_main_~x~4)), 54841#(and (<= 44 ULTIMATE.start_main_~x~4) (<= ULTIMATE.start_main_~x~4 44)), 54842#(and (<= 45 ULTIMATE.start_main_~x~4) (<= ULTIMATE.start_main_~x~4 45)), 54843#(and (<= ULTIMATE.start_main_~x~4 46) (<= 46 ULTIMATE.start_main_~x~4)), 54844#(and (<= 47 ULTIMATE.start_main_~x~4) (<= ULTIMATE.start_main_~x~4 47)), 54845#(and (<= 48 ULTIMATE.start_main_~x~4) (<= ULTIMATE.start_main_~x~4 48)), 54846#(and (<= 49 ULTIMATE.start_main_~x~4) (<= ULTIMATE.start_main_~x~4 49)), 54847#(and (<= ULTIMATE.start_main_~x~4 50) (<= 50 ULTIMATE.start_main_~x~4)), 54848#(and (<= 51 ULTIMATE.start_main_~x~4) (<= ULTIMATE.start_main_~x~4 51)), 54849#(and (<= ULTIMATE.start_main_~x~4 52) (<= 52 ULTIMATE.start_main_~x~4)), 54850#(and (<= 53 ULTIMATE.start_main_~x~4) (<= ULTIMATE.start_main_~x~4 53)), 54851#(and (<= ULTIMATE.start_main_~x~4 54) (<= 54 ULTIMATE.start_main_~x~4)), 54852#(and (<= 55 ULTIMATE.start_main_~x~4) (<= ULTIMATE.start_main_~x~4 55)), 54853#(and (<= 56 ULTIMATE.start_main_~x~4) (<= ULTIMATE.start_main_~x~4 56)), 54854#(and (<= 57 ULTIMATE.start_main_~x~4) (<= ULTIMATE.start_main_~x~4 57)), 54855#(and (<= 58 ULTIMATE.start_main_~x~4) (<= ULTIMATE.start_main_~x~4 58)), 54856#(and (<= ULTIMATE.start_main_~x~4 59) (<= 59 ULTIMATE.start_main_~x~4)), 54857#(and (<= 60 ULTIMATE.start_main_~x~4) (<= ULTIMATE.start_main_~x~4 60)), 54858#(and (<= 61 ULTIMATE.start_main_~x~4) (<= ULTIMATE.start_main_~x~4 61)), 54859#(and (<= ULTIMATE.start_main_~x~4 62) (<= 62 ULTIMATE.start_main_~x~4)), 54860#(and (<= 63 ULTIMATE.start_main_~x~4) (<= ULTIMATE.start_main_~x~4 63)), 54861#(and (<= ULTIMATE.start_main_~x~4 64) (<= 64 ULTIMATE.start_main_~x~4)), 54862#(and (<= 65 ULTIMATE.start_main_~x~4) (<= ULTIMATE.start_main_~x~4 65)), 54863#(and (<= 66 ULTIMATE.start_main_~x~4) (<= ULTIMATE.start_main_~x~4 66)), 54864#(and (<= 67 ULTIMATE.start_main_~x~4) (<= ULTIMATE.start_main_~x~4 67)), 54865#(and (<= ULTIMATE.start_main_~x~4 68) (<= 68 ULTIMATE.start_main_~x~4)), 54866#(and (<= 69 ULTIMATE.start_main_~x~4) (<= ULTIMATE.start_main_~x~4 69)), 54867#(and (<= ULTIMATE.start_main_~x~4 70) (<= 70 ULTIMATE.start_main_~x~4)), 54868#(and (<= 71 ULTIMATE.start_main_~x~4) (<= ULTIMATE.start_main_~x~4 71)), 54869#(and (<= 72 ULTIMATE.start_main_~x~4) (<= ULTIMATE.start_main_~x~4 72)), 54870#(and (<= ULTIMATE.start_main_~x~4 73) (<= 73 ULTIMATE.start_main_~x~4)), 54871#(and (<= 74 ULTIMATE.start_main_~x~4) (<= ULTIMATE.start_main_~x~4 74)), 54872#(and (<= ULTIMATE.start_main_~x~4 75) (<= 75 ULTIMATE.start_main_~x~4)), 54873#(and (<= ULTIMATE.start_main_~x~4 76) (<= 76 ULTIMATE.start_main_~x~4)), 54874#(and (<= ULTIMATE.start_main_~x~4 77) (<= 77 ULTIMATE.start_main_~x~4)), 54875#(and (<= ULTIMATE.start_main_~x~4 78) (<= 78 ULTIMATE.start_main_~x~4)), 54876#(and (<= 79 ULTIMATE.start_main_~x~4) (<= ULTIMATE.start_main_~x~4 79)), 54877#(and (<= ULTIMATE.start_main_~x~4 80) (<= 80 ULTIMATE.start_main_~x~4)), 54878#(and (<= ULTIMATE.start_main_~x~4 81) (<= 81 ULTIMATE.start_main_~x~4)), 54879#(and (<= ULTIMATE.start_main_~x~4 82) (<= 82 ULTIMATE.start_main_~x~4)), 54880#(and (<= 83 ULTIMATE.start_main_~x~4) (<= ULTIMATE.start_main_~x~4 83)), 54881#(and (<= ULTIMATE.start_main_~x~4 84) (<= 84 ULTIMATE.start_main_~x~4)), 54882#(and (<= 85 ULTIMATE.start_main_~x~4) (<= ULTIMATE.start_main_~x~4 85)), 54883#(and (<= 86 ULTIMATE.start_main_~x~4) (<= ULTIMATE.start_main_~x~4 86)), 54884#(and (<= ULTIMATE.start_main_~x~4 87) (<= 87 ULTIMATE.start_main_~x~4)), 54885#(and (<= 88 ULTIMATE.start_main_~x~4) (<= ULTIMATE.start_main_~x~4 88)), 54886#(and (<= ULTIMATE.start_main_~x~4 89) (<= 89 ULTIMATE.start_main_~x~4)), 54887#(and (<= ULTIMATE.start_main_~x~4 90) (<= 90 ULTIMATE.start_main_~x~4)), 54888#(and (<= ULTIMATE.start_main_~x~4 91) (<= 91 ULTIMATE.start_main_~x~4)), 54889#(and (<= ULTIMATE.start_main_~x~4 92) (<= 92 ULTIMATE.start_main_~x~4)), 54890#(and (<= ULTIMATE.start_main_~x~4 93) (<= 93 ULTIMATE.start_main_~x~4)), 54891#(and (<= ULTIMATE.start_main_~x~4 94) (<= 94 ULTIMATE.start_main_~x~4)), 54892#(and (<= 95 ULTIMATE.start_main_~x~4) (<= ULTIMATE.start_main_~x~4 95)), 54893#(and (<= ULTIMATE.start_main_~x~4 96) (<= 96 ULTIMATE.start_main_~x~4)), 54894#(and (<= 97 ULTIMATE.start_main_~x~4) (<= ULTIMATE.start_main_~x~4 97)), 54895#(and (<= ULTIMATE.start_main_~x~4 98) (<= 98 ULTIMATE.start_main_~x~4)), 54896#(and (<= 99 ULTIMATE.start_main_~x~4) (<= ULTIMATE.start_main_~x~4 99)), 54897#(and (<= ULTIMATE.start_main_~x~4 100) (<= 100 ULTIMATE.start_main_~x~4)), 54898#(and (<= ULTIMATE.start_main_~x~4 101) (<= 101 ULTIMATE.start_main_~x~4)), 54899#(and (<= 102 ULTIMATE.start_main_~x~4) (<= ULTIMATE.start_main_~x~4 102)), 54900#(and (<= 103 ULTIMATE.start_main_~x~4) (<= ULTIMATE.start_main_~x~4 103)), 54901#(and (<= ULTIMATE.start_main_~x~4 104) (<= 104 ULTIMATE.start_main_~x~4)), 54902#(and (<= 105 ULTIMATE.start_main_~x~4) (<= ULTIMATE.start_main_~x~4 105)), 54903#(and (<= 106 ULTIMATE.start_main_~x~4) (<= ULTIMATE.start_main_~x~4 106)), 54904#(and (<= 107 ULTIMATE.start_main_~x~4) (<= ULTIMATE.start_main_~x~4 107))] [2018-07-23 13:51:01,277 INFO L134 CoverageAnalysis]: Checked inductivity of 11556 backedges. 0 proven. 11556 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-07-23 13:51:01,278 INFO L450 AbstractCegarLoop]: Interpolant automaton has 110 states [2018-07-23 13:51:01,278 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 110 interpolants. [2018-07-23 13:51:01,279 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=217, Invalid=11773, Unknown=0, NotChecked=0, Total=11990 [2018-07-23 13:51:01,279 INFO L87 Difference]: Start difference. First operand 219 states and 219 transitions. Second operand 110 states. [2018-07-23 13:51:02,133 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-07-23 13:51:02,133 INFO L93 Difference]: Finished difference Result 223 states and 223 transitions. [2018-07-23 13:51:02,133 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 110 states. [2018-07-23 13:51:02,133 INFO L78 Accepts]: Start accepts. Automaton has 110 states. Word has length 218 [2018-07-23 13:51:02,134 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-07-23 13:51:02,134 INFO L225 Difference]: With dead ends: 223 [2018-07-23 13:51:02,134 INFO L226 Difference]: Without dead ends: 221 [2018-07-23 13:51:02,135 INFO L575 BasicCegarLoop]: 0 DeclaredPredicates, 109 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 108 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.4s TimeCoverageRelationStatistics Valid=217, Invalid=11773, Unknown=0, NotChecked=0, Total=11990 [2018-07-23 13:51:02,135 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 221 states. [2018-07-23 13:51:02,142 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 221 to 221. [2018-07-23 13:51:02,142 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 221 states. [2018-07-23 13:51:02,142 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 221 states to 221 states and 221 transitions. [2018-07-23 13:51:02,142 INFO L78 Accepts]: Start accepts. Automaton has 221 states and 221 transitions. Word has length 218 [2018-07-23 13:51:02,143 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-07-23 13:51:02,143 INFO L471 AbstractCegarLoop]: Abstraction has 221 states and 221 transitions. [2018-07-23 13:51:02,143 INFO L472 AbstractCegarLoop]: Interpolant automaton has 110 states. [2018-07-23 13:51:02,143 INFO L276 IsEmpty]: Start isEmpty. Operand 221 states and 221 transitions. [2018-07-23 13:51:02,143 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 221 [2018-07-23 13:51:02,143 INFO L349 BasicCegarLoop]: Found error trace [2018-07-23 13:51:02,144 INFO L357 BasicCegarLoop]: trace histogram [109, 108, 1, 1, 1] [2018-07-23 13:51:02,144 INFO L414 AbstractCegarLoop]: === Iteration 109 === [ULTIMATE.startErr0AssertViolationASSERT]=== [2018-07-23 13:51:02,144 INFO L82 PathProgramCache]: Analyzing trace with hash 949720383, now seen corresponding path program 108 times [2018-07-23 13:51:02,144 INFO L69 tionRefinementEngine]: Using refinement strategy FixedRefinementStrategy [2018-07-23 13:51:02,271 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-07-23 13:51:02,970 INFO L134 CoverageAnalysis]: Checked inductivity of 11772 backedges. 0 proven. 11772 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-07-23 13:51:02,970 INFO L309 seRefinementStrategy]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2018-07-23 13:51:02,971 INFO L324 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [110] total 110 [2018-07-23 13:51:02,971 INFO L142 lantAutomatonBuilder]: Constructing canonical interpolant automaton, with selfloop in false state [2018-07-23 13:51:02,971 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-07-23 13:51:02,971 INFO L185 omatonBuilderFactory]: Interpolants [55808#(and (<= ULTIMATE.start_main_~x~4 13) (<= 13 ULTIMATE.start_main_~x~4)), 55809#(and (<= 14 ULTIMATE.start_main_~x~4) (<= ULTIMATE.start_main_~x~4 14)), 55810#(and (<= 15 ULTIMATE.start_main_~x~4) (<= ULTIMATE.start_main_~x~4 15)), 55811#(and (<= ULTIMATE.start_main_~x~4 16) (<= 16 ULTIMATE.start_main_~x~4)), 55812#(and (<= ULTIMATE.start_main_~x~4 17) (<= 17 ULTIMATE.start_main_~x~4)), 55813#(and (<= 18 ULTIMATE.start_main_~x~4) (<= ULTIMATE.start_main_~x~4 18)), 55814#(and (<= 19 ULTIMATE.start_main_~x~4) (<= ULTIMATE.start_main_~x~4 19)), 55815#(and (<= 20 ULTIMATE.start_main_~x~4) (<= ULTIMATE.start_main_~x~4 20)), 55816#(and (<= ULTIMATE.start_main_~x~4 21) (<= 21 ULTIMATE.start_main_~x~4)), 55817#(and (<= ULTIMATE.start_main_~x~4 22) (<= 22 ULTIMATE.start_main_~x~4)), 55818#(and (<= ULTIMATE.start_main_~x~4 23) (<= 23 ULTIMATE.start_main_~x~4)), 55819#(and (<= ULTIMATE.start_main_~x~4 24) (<= 24 ULTIMATE.start_main_~x~4)), 55820#(and (<= ULTIMATE.start_main_~x~4 25) (<= 25 ULTIMATE.start_main_~x~4)), 55821#(and (<= ULTIMATE.start_main_~x~4 26) (<= 26 ULTIMATE.start_main_~x~4)), 55822#(and (<= ULTIMATE.start_main_~x~4 27) (<= 27 ULTIMATE.start_main_~x~4)), 55823#(and (<= ULTIMATE.start_main_~x~4 28) (<= 28 ULTIMATE.start_main_~x~4)), 55824#(and (<= 29 ULTIMATE.start_main_~x~4) (<= ULTIMATE.start_main_~x~4 29)), 55825#(and (<= ULTIMATE.start_main_~x~4 30) (<= 30 ULTIMATE.start_main_~x~4)), 55826#(and (<= ULTIMATE.start_main_~x~4 31) (<= 31 ULTIMATE.start_main_~x~4)), 55827#(and (<= ULTIMATE.start_main_~x~4 32) (<= 32 ULTIMATE.start_main_~x~4)), 55828#(and (<= ULTIMATE.start_main_~x~4 33) (<= 33 ULTIMATE.start_main_~x~4)), 55829#(and (<= 34 ULTIMATE.start_main_~x~4) (<= ULTIMATE.start_main_~x~4 34)), 55830#(and (<= ULTIMATE.start_main_~x~4 35) (<= 35 ULTIMATE.start_main_~x~4)), 55831#(and (<= 36 ULTIMATE.start_main_~x~4) (<= ULTIMATE.start_main_~x~4 36)), 55832#(and (<= ULTIMATE.start_main_~x~4 37) (<= 37 ULTIMATE.start_main_~x~4)), 55833#(and (<= 38 ULTIMATE.start_main_~x~4) (<= ULTIMATE.start_main_~x~4 38)), 55834#(and (<= ULTIMATE.start_main_~x~4 39) (<= 39 ULTIMATE.start_main_~x~4)), 55835#(and (<= ULTIMATE.start_main_~x~4 40) (<= 40 ULTIMATE.start_main_~x~4)), 55836#(and (<= ULTIMATE.start_main_~x~4 41) (<= 41 ULTIMATE.start_main_~x~4)), 55837#(and (<= ULTIMATE.start_main_~x~4 42) (<= 42 ULTIMATE.start_main_~x~4)), 55838#(and (<= ULTIMATE.start_main_~x~4 43) (<= 43 ULTIMATE.start_main_~x~4)), 55839#(and (<= 44 ULTIMATE.start_main_~x~4) (<= ULTIMATE.start_main_~x~4 44)), 55840#(and (<= 45 ULTIMATE.start_main_~x~4) (<= ULTIMATE.start_main_~x~4 45)), 55841#(and (<= ULTIMATE.start_main_~x~4 46) (<= 46 ULTIMATE.start_main_~x~4)), 55842#(and (<= 47 ULTIMATE.start_main_~x~4) (<= ULTIMATE.start_main_~x~4 47)), 55843#(and (<= 48 ULTIMATE.start_main_~x~4) (<= ULTIMATE.start_main_~x~4 48)), 55844#(and (<= 49 ULTIMATE.start_main_~x~4) (<= ULTIMATE.start_main_~x~4 49)), 55845#(and (<= ULTIMATE.start_main_~x~4 50) (<= 50 ULTIMATE.start_main_~x~4)), 55846#(and (<= 51 ULTIMATE.start_main_~x~4) (<= ULTIMATE.start_main_~x~4 51)), 55847#(and (<= ULTIMATE.start_main_~x~4 52) (<= 52 ULTIMATE.start_main_~x~4)), 55848#(and (<= 53 ULTIMATE.start_main_~x~4) (<= ULTIMATE.start_main_~x~4 53)), 55849#(and (<= ULTIMATE.start_main_~x~4 54) (<= 54 ULTIMATE.start_main_~x~4)), 55850#(and (<= 55 ULTIMATE.start_main_~x~4) (<= ULTIMATE.start_main_~x~4 55)), 55851#(and (<= 56 ULTIMATE.start_main_~x~4) (<= ULTIMATE.start_main_~x~4 56)), 55852#(and (<= 57 ULTIMATE.start_main_~x~4) (<= ULTIMATE.start_main_~x~4 57)), 55853#(and (<= 58 ULTIMATE.start_main_~x~4) (<= ULTIMATE.start_main_~x~4 58)), 55854#(and (<= ULTIMATE.start_main_~x~4 59) (<= 59 ULTIMATE.start_main_~x~4)), 55855#(and (<= 60 ULTIMATE.start_main_~x~4) (<= ULTIMATE.start_main_~x~4 60)), 55856#(and (<= 61 ULTIMATE.start_main_~x~4) (<= ULTIMATE.start_main_~x~4 61)), 55857#(and (<= ULTIMATE.start_main_~x~4 62) (<= 62 ULTIMATE.start_main_~x~4)), 55858#(and (<= 63 ULTIMATE.start_main_~x~4) (<= ULTIMATE.start_main_~x~4 63)), 55859#(and (<= ULTIMATE.start_main_~x~4 64) (<= 64 ULTIMATE.start_main_~x~4)), 55860#(and (<= 65 ULTIMATE.start_main_~x~4) (<= ULTIMATE.start_main_~x~4 65)), 55861#(and (<= 66 ULTIMATE.start_main_~x~4) (<= ULTIMATE.start_main_~x~4 66)), 55862#(and (<= 67 ULTIMATE.start_main_~x~4) (<= ULTIMATE.start_main_~x~4 67)), 55863#(and (<= ULTIMATE.start_main_~x~4 68) (<= 68 ULTIMATE.start_main_~x~4)), 55864#(and (<= 69 ULTIMATE.start_main_~x~4) (<= ULTIMATE.start_main_~x~4 69)), 55865#(and (<= ULTIMATE.start_main_~x~4 70) (<= 70 ULTIMATE.start_main_~x~4)), 55866#(and (<= 71 ULTIMATE.start_main_~x~4) (<= ULTIMATE.start_main_~x~4 71)), 55867#(and (<= 72 ULTIMATE.start_main_~x~4) (<= ULTIMATE.start_main_~x~4 72)), 55868#(and (<= ULTIMATE.start_main_~x~4 73) (<= 73 ULTIMATE.start_main_~x~4)), 55869#(and (<= 74 ULTIMATE.start_main_~x~4) (<= ULTIMATE.start_main_~x~4 74)), 55870#(and (<= ULTIMATE.start_main_~x~4 75) (<= 75 ULTIMATE.start_main_~x~4)), 55871#(and (<= ULTIMATE.start_main_~x~4 76) (<= 76 ULTIMATE.start_main_~x~4)), 55872#(and (<= ULTIMATE.start_main_~x~4 77) (<= 77 ULTIMATE.start_main_~x~4)), 55873#(and (<= ULTIMATE.start_main_~x~4 78) (<= 78 ULTIMATE.start_main_~x~4)), 55874#(and (<= 79 ULTIMATE.start_main_~x~4) (<= ULTIMATE.start_main_~x~4 79)), 55875#(and (<= ULTIMATE.start_main_~x~4 80) (<= 80 ULTIMATE.start_main_~x~4)), 55876#(and (<= ULTIMATE.start_main_~x~4 81) (<= 81 ULTIMATE.start_main_~x~4)), 55877#(and (<= ULTIMATE.start_main_~x~4 82) (<= 82 ULTIMATE.start_main_~x~4)), 55878#(and (<= 83 ULTIMATE.start_main_~x~4) (<= ULTIMATE.start_main_~x~4 83)), 55879#(and (<= ULTIMATE.start_main_~x~4 84) (<= 84 ULTIMATE.start_main_~x~4)), 55880#(and (<= 85 ULTIMATE.start_main_~x~4) (<= ULTIMATE.start_main_~x~4 85)), 55881#(and (<= 86 ULTIMATE.start_main_~x~4) (<= ULTIMATE.start_main_~x~4 86)), 55882#(and (<= ULTIMATE.start_main_~x~4 87) (<= 87 ULTIMATE.start_main_~x~4)), 55883#(and (<= 88 ULTIMATE.start_main_~x~4) (<= ULTIMATE.start_main_~x~4 88)), 55884#(and (<= ULTIMATE.start_main_~x~4 89) (<= 89 ULTIMATE.start_main_~x~4)), 55885#(and (<= ULTIMATE.start_main_~x~4 90) (<= 90 ULTIMATE.start_main_~x~4)), 55886#(and (<= ULTIMATE.start_main_~x~4 91) (<= 91 ULTIMATE.start_main_~x~4)), 55887#(and (<= ULTIMATE.start_main_~x~4 92) (<= 92 ULTIMATE.start_main_~x~4)), 55888#(and (<= ULTIMATE.start_main_~x~4 93) (<= 93 ULTIMATE.start_main_~x~4)), 55889#(and (<= ULTIMATE.start_main_~x~4 94) (<= 94 ULTIMATE.start_main_~x~4)), 55890#(and (<= 95 ULTIMATE.start_main_~x~4) (<= ULTIMATE.start_main_~x~4 95)), 55891#(and (<= ULTIMATE.start_main_~x~4 96) (<= 96 ULTIMATE.start_main_~x~4)), 55892#(and (<= 97 ULTIMATE.start_main_~x~4) (<= ULTIMATE.start_main_~x~4 97)), 55893#(and (<= ULTIMATE.start_main_~x~4 98) (<= 98 ULTIMATE.start_main_~x~4)), 55894#(and (<= 99 ULTIMATE.start_main_~x~4) (<= ULTIMATE.start_main_~x~4 99)), 55895#(and (<= ULTIMATE.start_main_~x~4 100) (<= 100 ULTIMATE.start_main_~x~4)), 55896#(and (<= ULTIMATE.start_main_~x~4 101) (<= 101 ULTIMATE.start_main_~x~4)), 55897#(and (<= 102 ULTIMATE.start_main_~x~4) (<= ULTIMATE.start_main_~x~4 102)), 55898#(and (<= 103 ULTIMATE.start_main_~x~4) (<= ULTIMATE.start_main_~x~4 103)), 55899#(and (<= ULTIMATE.start_main_~x~4 104) (<= 104 ULTIMATE.start_main_~x~4)), 55900#(and (<= 105 ULTIMATE.start_main_~x~4) (<= ULTIMATE.start_main_~x~4 105)), 55901#(and (<= 106 ULTIMATE.start_main_~x~4) (<= ULTIMATE.start_main_~x~4 106)), 55902#(and (<= 107 ULTIMATE.start_main_~x~4) (<= ULTIMATE.start_main_~x~4 107)), 55903#(and (<= 108 ULTIMATE.start_main_~x~4) (<= ULTIMATE.start_main_~x~4 108)), 55793#true, 55794#false, 55795#(and (<= ULTIMATE.start_main_~x~4 0) (<= 0 ULTIMATE.start_main_~x~4)), 55796#(and (<= ULTIMATE.start_main_~x~4 1) (<= 1 ULTIMATE.start_main_~x~4)), 55797#(and (<= 2 ULTIMATE.start_main_~x~4) (<= ULTIMATE.start_main_~x~4 2)), 55798#(and (<= 3 ULTIMATE.start_main_~x~4) (<= ULTIMATE.start_main_~x~4 3)), 55799#(and (<= ULTIMATE.start_main_~x~4 4) (<= 4 ULTIMATE.start_main_~x~4)), 55800#(and (<= ULTIMATE.start_main_~x~4 5) (<= 5 ULTIMATE.start_main_~x~4)), 55801#(and (<= 6 ULTIMATE.start_main_~x~4) (<= ULTIMATE.start_main_~x~4 6)), 55802#(and (<= ULTIMATE.start_main_~x~4 7) (<= 7 ULTIMATE.start_main_~x~4)), 55803#(and (<= ULTIMATE.start_main_~x~4 8) (<= 8 ULTIMATE.start_main_~x~4)), 55804#(and (<= 9 ULTIMATE.start_main_~x~4) (<= ULTIMATE.start_main_~x~4 9)), 55805#(and (<= ULTIMATE.start_main_~x~4 10) (<= 10 ULTIMATE.start_main_~x~4)), 55806#(and (<= ULTIMATE.start_main_~x~4 11) (<= 11 ULTIMATE.start_main_~x~4)), 55807#(and (<= 12 ULTIMATE.start_main_~x~4) (<= ULTIMATE.start_main_~x~4 12))] [2018-07-23 13:51:02,972 INFO L134 CoverageAnalysis]: Checked inductivity of 11772 backedges. 0 proven. 11772 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-07-23 13:51:02,973 INFO L450 AbstractCegarLoop]: Interpolant automaton has 111 states [2018-07-23 13:51:02,973 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 111 interpolants. [2018-07-23 13:51:02,973 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=219, Invalid=11991, Unknown=0, NotChecked=0, Total=12210 [2018-07-23 13:51:02,974 INFO L87 Difference]: Start difference. First operand 221 states and 221 transitions. Second operand 111 states. [2018-07-23 13:51:03,817 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-07-23 13:51:03,817 INFO L93 Difference]: Finished difference Result 225 states and 225 transitions. [2018-07-23 13:51:03,817 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 111 states. [2018-07-23 13:51:03,817 INFO L78 Accepts]: Start accepts. Automaton has 111 states. Word has length 220 [2018-07-23 13:51:03,817 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-07-23 13:51:03,818 INFO L225 Difference]: With dead ends: 225 [2018-07-23 13:51:03,818 INFO L226 Difference]: Without dead ends: 223 [2018-07-23 13:51:03,819 INFO L575 BasicCegarLoop]: 0 DeclaredPredicates, 110 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 109 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.5s TimeCoverageRelationStatistics Valid=219, Invalid=11991, Unknown=0, NotChecked=0, Total=12210 [2018-07-23 13:51:03,819 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 223 states. [2018-07-23 13:51:03,827 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 223 to 223. [2018-07-23 13:51:03,827 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 223 states. [2018-07-23 13:51:03,828 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 223 states to 223 states and 223 transitions. [2018-07-23 13:51:03,828 INFO L78 Accepts]: Start accepts. Automaton has 223 states and 223 transitions. Word has length 220 [2018-07-23 13:51:03,828 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-07-23 13:51:03,828 INFO L471 AbstractCegarLoop]: Abstraction has 223 states and 223 transitions. [2018-07-23 13:51:03,828 INFO L472 AbstractCegarLoop]: Interpolant automaton has 111 states. [2018-07-23 13:51:03,828 INFO L276 IsEmpty]: Start isEmpty. Operand 223 states and 223 transitions. [2018-07-23 13:51:03,829 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 223 [2018-07-23 13:51:03,829 INFO L349 BasicCegarLoop]: Found error trace [2018-07-23 13:51:03,829 INFO L357 BasicCegarLoop]: trace histogram [110, 109, 1, 1, 1] [2018-07-23 13:51:03,829 INFO L414 AbstractCegarLoop]: === Iteration 110 === [ULTIMATE.startErr0AssertViolationASSERT]=== [2018-07-23 13:51:03,830 INFO L82 PathProgramCache]: Analyzing trace with hash -2146693895, now seen corresponding path program 109 times [2018-07-23 13:51:03,830 INFO L69 tionRefinementEngine]: Using refinement strategy FixedRefinementStrategy [2018-07-23 13:51:03,963 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-07-23 13:51:04,561 INFO L134 CoverageAnalysis]: Checked inductivity of 11990 backedges. 0 proven. 11990 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-07-23 13:51:04,561 INFO L309 seRefinementStrategy]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2018-07-23 13:51:04,561 INFO L324 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [111] total 111 [2018-07-23 13:51:04,561 INFO L142 lantAutomatonBuilder]: Constructing canonical interpolant automaton, with selfloop in false state [2018-07-23 13:51:04,562 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-07-23 13:51:04,562 INFO L185 omatonBuilderFactory]: Interpolants [56832#(and (<= ULTIMATE.start_main_~x~4 30) (<= 30 ULTIMATE.start_main_~x~4)), 56833#(and (<= ULTIMATE.start_main_~x~4 31) (<= 31 ULTIMATE.start_main_~x~4)), 56834#(and (<= ULTIMATE.start_main_~x~4 32) (<= 32 ULTIMATE.start_main_~x~4)), 56835#(and (<= ULTIMATE.start_main_~x~4 33) (<= 33 ULTIMATE.start_main_~x~4)), 56836#(and (<= 34 ULTIMATE.start_main_~x~4) (<= ULTIMATE.start_main_~x~4 34)), 56837#(and (<= ULTIMATE.start_main_~x~4 35) (<= 35 ULTIMATE.start_main_~x~4)), 56838#(and (<= 36 ULTIMATE.start_main_~x~4) (<= ULTIMATE.start_main_~x~4 36)), 56839#(and (<= ULTIMATE.start_main_~x~4 37) (<= 37 ULTIMATE.start_main_~x~4)), 56840#(and (<= 38 ULTIMATE.start_main_~x~4) (<= ULTIMATE.start_main_~x~4 38)), 56841#(and (<= ULTIMATE.start_main_~x~4 39) (<= 39 ULTIMATE.start_main_~x~4)), 56842#(and (<= ULTIMATE.start_main_~x~4 40) (<= 40 ULTIMATE.start_main_~x~4)), 56843#(and (<= ULTIMATE.start_main_~x~4 41) (<= 41 ULTIMATE.start_main_~x~4)), 56844#(and (<= ULTIMATE.start_main_~x~4 42) (<= 42 ULTIMATE.start_main_~x~4)), 56845#(and (<= ULTIMATE.start_main_~x~4 43) (<= 43 ULTIMATE.start_main_~x~4)), 56846#(and (<= 44 ULTIMATE.start_main_~x~4) (<= ULTIMATE.start_main_~x~4 44)), 56847#(and (<= 45 ULTIMATE.start_main_~x~4) (<= ULTIMATE.start_main_~x~4 45)), 56848#(and (<= ULTIMATE.start_main_~x~4 46) (<= 46 ULTIMATE.start_main_~x~4)), 56849#(and (<= 47 ULTIMATE.start_main_~x~4) (<= ULTIMATE.start_main_~x~4 47)), 56850#(and (<= 48 ULTIMATE.start_main_~x~4) (<= ULTIMATE.start_main_~x~4 48)), 56851#(and (<= 49 ULTIMATE.start_main_~x~4) (<= ULTIMATE.start_main_~x~4 49)), 56852#(and (<= ULTIMATE.start_main_~x~4 50) (<= 50 ULTIMATE.start_main_~x~4)), 56853#(and (<= 51 ULTIMATE.start_main_~x~4) (<= ULTIMATE.start_main_~x~4 51)), 56854#(and (<= ULTIMATE.start_main_~x~4 52) (<= 52 ULTIMATE.start_main_~x~4)), 56855#(and (<= 53 ULTIMATE.start_main_~x~4) (<= ULTIMATE.start_main_~x~4 53)), 56856#(and (<= ULTIMATE.start_main_~x~4 54) (<= 54 ULTIMATE.start_main_~x~4)), 56857#(and (<= 55 ULTIMATE.start_main_~x~4) (<= ULTIMATE.start_main_~x~4 55)), 56858#(and (<= 56 ULTIMATE.start_main_~x~4) (<= ULTIMATE.start_main_~x~4 56)), 56859#(and (<= 57 ULTIMATE.start_main_~x~4) (<= ULTIMATE.start_main_~x~4 57)), 56860#(and (<= 58 ULTIMATE.start_main_~x~4) (<= ULTIMATE.start_main_~x~4 58)), 56861#(and (<= ULTIMATE.start_main_~x~4 59) (<= 59 ULTIMATE.start_main_~x~4)), 56862#(and (<= 60 ULTIMATE.start_main_~x~4) (<= ULTIMATE.start_main_~x~4 60)), 56863#(and (<= 61 ULTIMATE.start_main_~x~4) (<= ULTIMATE.start_main_~x~4 61)), 56864#(and (<= ULTIMATE.start_main_~x~4 62) (<= 62 ULTIMATE.start_main_~x~4)), 56865#(and (<= 63 ULTIMATE.start_main_~x~4) (<= ULTIMATE.start_main_~x~4 63)), 56866#(and (<= ULTIMATE.start_main_~x~4 64) (<= 64 ULTIMATE.start_main_~x~4)), 56867#(and (<= 65 ULTIMATE.start_main_~x~4) (<= ULTIMATE.start_main_~x~4 65)), 56868#(and (<= 66 ULTIMATE.start_main_~x~4) (<= ULTIMATE.start_main_~x~4 66)), 56869#(and (<= 67 ULTIMATE.start_main_~x~4) (<= ULTIMATE.start_main_~x~4 67)), 56870#(and (<= ULTIMATE.start_main_~x~4 68) (<= 68 ULTIMATE.start_main_~x~4)), 56871#(and (<= 69 ULTIMATE.start_main_~x~4) (<= ULTIMATE.start_main_~x~4 69)), 56872#(and (<= ULTIMATE.start_main_~x~4 70) (<= 70 ULTIMATE.start_main_~x~4)), 56873#(and (<= 71 ULTIMATE.start_main_~x~4) (<= ULTIMATE.start_main_~x~4 71)), 56874#(and (<= 72 ULTIMATE.start_main_~x~4) (<= ULTIMATE.start_main_~x~4 72)), 56875#(and (<= ULTIMATE.start_main_~x~4 73) (<= 73 ULTIMATE.start_main_~x~4)), 56876#(and (<= 74 ULTIMATE.start_main_~x~4) (<= ULTIMATE.start_main_~x~4 74)), 56877#(and (<= ULTIMATE.start_main_~x~4 75) (<= 75 ULTIMATE.start_main_~x~4)), 56878#(and (<= ULTIMATE.start_main_~x~4 76) (<= 76 ULTIMATE.start_main_~x~4)), 56879#(and (<= ULTIMATE.start_main_~x~4 77) (<= 77 ULTIMATE.start_main_~x~4)), 56880#(and (<= ULTIMATE.start_main_~x~4 78) (<= 78 ULTIMATE.start_main_~x~4)), 56881#(and (<= 79 ULTIMATE.start_main_~x~4) (<= ULTIMATE.start_main_~x~4 79)), 56882#(and (<= ULTIMATE.start_main_~x~4 80) (<= 80 ULTIMATE.start_main_~x~4)), 56883#(and (<= ULTIMATE.start_main_~x~4 81) (<= 81 ULTIMATE.start_main_~x~4)), 56884#(and (<= ULTIMATE.start_main_~x~4 82) (<= 82 ULTIMATE.start_main_~x~4)), 56885#(and (<= 83 ULTIMATE.start_main_~x~4) (<= ULTIMATE.start_main_~x~4 83)), 56886#(and (<= ULTIMATE.start_main_~x~4 84) (<= 84 ULTIMATE.start_main_~x~4)), 56887#(and (<= 85 ULTIMATE.start_main_~x~4) (<= ULTIMATE.start_main_~x~4 85)), 56888#(and (<= 86 ULTIMATE.start_main_~x~4) (<= ULTIMATE.start_main_~x~4 86)), 56889#(and (<= ULTIMATE.start_main_~x~4 87) (<= 87 ULTIMATE.start_main_~x~4)), 56890#(and (<= 88 ULTIMATE.start_main_~x~4) (<= ULTIMATE.start_main_~x~4 88)), 56891#(and (<= ULTIMATE.start_main_~x~4 89) (<= 89 ULTIMATE.start_main_~x~4)), 56892#(and (<= ULTIMATE.start_main_~x~4 90) (<= 90 ULTIMATE.start_main_~x~4)), 56893#(and (<= ULTIMATE.start_main_~x~4 91) (<= 91 ULTIMATE.start_main_~x~4)), 56894#(and (<= ULTIMATE.start_main_~x~4 92) (<= 92 ULTIMATE.start_main_~x~4)), 56895#(and (<= ULTIMATE.start_main_~x~4 93) (<= 93 ULTIMATE.start_main_~x~4)), 56896#(and (<= ULTIMATE.start_main_~x~4 94) (<= 94 ULTIMATE.start_main_~x~4)), 56897#(and (<= 95 ULTIMATE.start_main_~x~4) (<= ULTIMATE.start_main_~x~4 95)), 56898#(and (<= ULTIMATE.start_main_~x~4 96) (<= 96 ULTIMATE.start_main_~x~4)), 56899#(and (<= 97 ULTIMATE.start_main_~x~4) (<= ULTIMATE.start_main_~x~4 97)), 56900#(and (<= ULTIMATE.start_main_~x~4 98) (<= 98 ULTIMATE.start_main_~x~4)), 56901#(and (<= 99 ULTIMATE.start_main_~x~4) (<= ULTIMATE.start_main_~x~4 99)), 56902#(and (<= ULTIMATE.start_main_~x~4 100) (<= 100 ULTIMATE.start_main_~x~4)), 56903#(and (<= ULTIMATE.start_main_~x~4 101) (<= 101 ULTIMATE.start_main_~x~4)), 56904#(and (<= 102 ULTIMATE.start_main_~x~4) (<= ULTIMATE.start_main_~x~4 102)), 56905#(and (<= 103 ULTIMATE.start_main_~x~4) (<= ULTIMATE.start_main_~x~4 103)), 56906#(and (<= ULTIMATE.start_main_~x~4 104) (<= 104 ULTIMATE.start_main_~x~4)), 56907#(and (<= 105 ULTIMATE.start_main_~x~4) (<= ULTIMATE.start_main_~x~4 105)), 56908#(and (<= 106 ULTIMATE.start_main_~x~4) (<= ULTIMATE.start_main_~x~4 106)), 56909#(and (<= 107 ULTIMATE.start_main_~x~4) (<= ULTIMATE.start_main_~x~4 107)), 56910#(and (<= 108 ULTIMATE.start_main_~x~4) (<= ULTIMATE.start_main_~x~4 108)), 56911#(and (<= ULTIMATE.start_main_~x~4 109) (<= 109 ULTIMATE.start_main_~x~4)), 56800#true, 56801#false, 56802#(and (<= ULTIMATE.start_main_~x~4 0) (<= 0 ULTIMATE.start_main_~x~4)), 56803#(and (<= ULTIMATE.start_main_~x~4 1) (<= 1 ULTIMATE.start_main_~x~4)), 56804#(and (<= 2 ULTIMATE.start_main_~x~4) (<= ULTIMATE.start_main_~x~4 2)), 56805#(and (<= 3 ULTIMATE.start_main_~x~4) (<= ULTIMATE.start_main_~x~4 3)), 56806#(and (<= ULTIMATE.start_main_~x~4 4) (<= 4 ULTIMATE.start_main_~x~4)), 56807#(and (<= ULTIMATE.start_main_~x~4 5) (<= 5 ULTIMATE.start_main_~x~4)), 56808#(and (<= 6 ULTIMATE.start_main_~x~4) (<= ULTIMATE.start_main_~x~4 6)), 56809#(and (<= ULTIMATE.start_main_~x~4 7) (<= 7 ULTIMATE.start_main_~x~4)), 56810#(and (<= ULTIMATE.start_main_~x~4 8) (<= 8 ULTIMATE.start_main_~x~4)), 56811#(and (<= 9 ULTIMATE.start_main_~x~4) (<= ULTIMATE.start_main_~x~4 9)), 56812#(and (<= ULTIMATE.start_main_~x~4 10) (<= 10 ULTIMATE.start_main_~x~4)), 56813#(and (<= ULTIMATE.start_main_~x~4 11) (<= 11 ULTIMATE.start_main_~x~4)), 56814#(and (<= 12 ULTIMATE.start_main_~x~4) (<= ULTIMATE.start_main_~x~4 12)), 56815#(and (<= ULTIMATE.start_main_~x~4 13) (<= 13 ULTIMATE.start_main_~x~4)), 56816#(and (<= 14 ULTIMATE.start_main_~x~4) (<= ULTIMATE.start_main_~x~4 14)), 56817#(and (<= 15 ULTIMATE.start_main_~x~4) (<= ULTIMATE.start_main_~x~4 15)), 56818#(and (<= ULTIMATE.start_main_~x~4 16) (<= 16 ULTIMATE.start_main_~x~4)), 56819#(and (<= ULTIMATE.start_main_~x~4 17) (<= 17 ULTIMATE.start_main_~x~4)), 56820#(and (<= 18 ULTIMATE.start_main_~x~4) (<= ULTIMATE.start_main_~x~4 18)), 56821#(and (<= 19 ULTIMATE.start_main_~x~4) (<= ULTIMATE.start_main_~x~4 19)), 56822#(and (<= 20 ULTIMATE.start_main_~x~4) (<= ULTIMATE.start_main_~x~4 20)), 56823#(and (<= ULTIMATE.start_main_~x~4 21) (<= 21 ULTIMATE.start_main_~x~4)), 56824#(and (<= ULTIMATE.start_main_~x~4 22) (<= 22 ULTIMATE.start_main_~x~4)), 56825#(and (<= ULTIMATE.start_main_~x~4 23) (<= 23 ULTIMATE.start_main_~x~4)), 56826#(and (<= ULTIMATE.start_main_~x~4 24) (<= 24 ULTIMATE.start_main_~x~4)), 56827#(and (<= ULTIMATE.start_main_~x~4 25) (<= 25 ULTIMATE.start_main_~x~4)), 56828#(and (<= ULTIMATE.start_main_~x~4 26) (<= 26 ULTIMATE.start_main_~x~4)), 56829#(and (<= ULTIMATE.start_main_~x~4 27) (<= 27 ULTIMATE.start_main_~x~4)), 56830#(and (<= ULTIMATE.start_main_~x~4 28) (<= 28 ULTIMATE.start_main_~x~4)), 56831#(and (<= 29 ULTIMATE.start_main_~x~4) (<= ULTIMATE.start_main_~x~4 29))] [2018-07-23 13:51:04,562 INFO L134 CoverageAnalysis]: Checked inductivity of 11990 backedges. 0 proven. 11990 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-07-23 13:51:04,563 INFO L450 AbstractCegarLoop]: Interpolant automaton has 112 states [2018-07-23 13:51:04,563 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 112 interpolants. [2018-07-23 13:51:04,563 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=221, Invalid=12211, Unknown=0, NotChecked=0, Total=12432 [2018-07-23 13:51:04,563 INFO L87 Difference]: Start difference. First operand 223 states and 223 transitions. Second operand 112 states. [2018-07-23 13:51:05,423 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-07-23 13:51:05,424 INFO L93 Difference]: Finished difference Result 227 states and 227 transitions. [2018-07-23 13:51:05,424 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 112 states. [2018-07-23 13:51:05,424 INFO L78 Accepts]: Start accepts. Automaton has 112 states. Word has length 222 [2018-07-23 13:51:05,424 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-07-23 13:51:05,424 INFO L225 Difference]: With dead ends: 227 [2018-07-23 13:51:05,425 INFO L226 Difference]: Without dead ends: 225 [2018-07-23 13:51:05,425 INFO L575 BasicCegarLoop]: 0 DeclaredPredicates, 111 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 110 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.4s TimeCoverageRelationStatistics Valid=221, Invalid=12211, Unknown=0, NotChecked=0, Total=12432 [2018-07-23 13:51:05,426 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 225 states. [2018-07-23 13:51:05,431 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 225 to 225. [2018-07-23 13:51:05,431 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 225 states. [2018-07-23 13:51:05,432 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 225 states to 225 states and 225 transitions. [2018-07-23 13:51:05,432 INFO L78 Accepts]: Start accepts. Automaton has 225 states and 225 transitions. Word has length 222 [2018-07-23 13:51:05,432 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-07-23 13:51:05,432 INFO L471 AbstractCegarLoop]: Abstraction has 225 states and 225 transitions. [2018-07-23 13:51:05,432 INFO L472 AbstractCegarLoop]: Interpolant automaton has 112 states. [2018-07-23 13:51:05,432 INFO L276 IsEmpty]: Start isEmpty. Operand 225 states and 225 transitions. [2018-07-23 13:51:05,433 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 225 [2018-07-23 13:51:05,433 INFO L349 BasicCegarLoop]: Found error trace [2018-07-23 13:51:05,433 INFO L357 BasicCegarLoop]: trace histogram [111, 110, 1, 1, 1] [2018-07-23 13:51:05,433 INFO L414 AbstractCegarLoop]: === Iteration 111 === [ULTIMATE.startErr0AssertViolationASSERT]=== [2018-07-23 13:51:05,433 INFO L82 PathProgramCache]: Analyzing trace with hash -1388478925, now seen corresponding path program 110 times [2018-07-23 13:51:05,433 INFO L69 tionRefinementEngine]: Using refinement strategy FixedRefinementStrategy [2018-07-23 13:51:05,558 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-07-23 13:51:06,447 INFO L134 CoverageAnalysis]: Checked inductivity of 12210 backedges. 0 proven. 12210 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-07-23 13:51:06,447 INFO L309 seRefinementStrategy]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2018-07-23 13:51:06,447 INFO L324 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [112] total 112 [2018-07-23 13:51:06,447 INFO L142 lantAutomatonBuilder]: Constructing canonical interpolant automaton, with selfloop in false state [2018-07-23 13:51:06,447 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-07-23 13:51:06,448 INFO L185 omatonBuilderFactory]: Interpolants [57856#(and (<= 38 ULTIMATE.start_main_~x~4) (<= ULTIMATE.start_main_~x~4 38)), 57857#(and (<= ULTIMATE.start_main_~x~4 39) (<= 39 ULTIMATE.start_main_~x~4)), 57858#(and (<= ULTIMATE.start_main_~x~4 40) (<= 40 ULTIMATE.start_main_~x~4)), 57859#(and (<= ULTIMATE.start_main_~x~4 41) (<= 41 ULTIMATE.start_main_~x~4)), 57860#(and (<= ULTIMATE.start_main_~x~4 42) (<= 42 ULTIMATE.start_main_~x~4)), 57861#(and (<= ULTIMATE.start_main_~x~4 43) (<= 43 ULTIMATE.start_main_~x~4)), 57862#(and (<= 44 ULTIMATE.start_main_~x~4) (<= ULTIMATE.start_main_~x~4 44)), 57863#(and (<= 45 ULTIMATE.start_main_~x~4) (<= ULTIMATE.start_main_~x~4 45)), 57864#(and (<= ULTIMATE.start_main_~x~4 46) (<= 46 ULTIMATE.start_main_~x~4)), 57865#(and (<= 47 ULTIMATE.start_main_~x~4) (<= ULTIMATE.start_main_~x~4 47)), 57866#(and (<= 48 ULTIMATE.start_main_~x~4) (<= ULTIMATE.start_main_~x~4 48)), 57867#(and (<= 49 ULTIMATE.start_main_~x~4) (<= ULTIMATE.start_main_~x~4 49)), 57868#(and (<= ULTIMATE.start_main_~x~4 50) (<= 50 ULTIMATE.start_main_~x~4)), 57869#(and (<= 51 ULTIMATE.start_main_~x~4) (<= ULTIMATE.start_main_~x~4 51)), 57870#(and (<= ULTIMATE.start_main_~x~4 52) (<= 52 ULTIMATE.start_main_~x~4)), 57871#(and (<= 53 ULTIMATE.start_main_~x~4) (<= ULTIMATE.start_main_~x~4 53)), 57872#(and (<= ULTIMATE.start_main_~x~4 54) (<= 54 ULTIMATE.start_main_~x~4)), 57873#(and (<= 55 ULTIMATE.start_main_~x~4) (<= ULTIMATE.start_main_~x~4 55)), 57874#(and (<= 56 ULTIMATE.start_main_~x~4) (<= ULTIMATE.start_main_~x~4 56)), 57875#(and (<= 57 ULTIMATE.start_main_~x~4) (<= ULTIMATE.start_main_~x~4 57)), 57876#(and (<= 58 ULTIMATE.start_main_~x~4) (<= ULTIMATE.start_main_~x~4 58)), 57877#(and (<= ULTIMATE.start_main_~x~4 59) (<= 59 ULTIMATE.start_main_~x~4)), 57878#(and (<= 60 ULTIMATE.start_main_~x~4) (<= ULTIMATE.start_main_~x~4 60)), 57879#(and (<= 61 ULTIMATE.start_main_~x~4) (<= ULTIMATE.start_main_~x~4 61)), 57880#(and (<= ULTIMATE.start_main_~x~4 62) (<= 62 ULTIMATE.start_main_~x~4)), 57881#(and (<= 63 ULTIMATE.start_main_~x~4) (<= ULTIMATE.start_main_~x~4 63)), 57882#(and (<= ULTIMATE.start_main_~x~4 64) (<= 64 ULTIMATE.start_main_~x~4)), 57883#(and (<= 65 ULTIMATE.start_main_~x~4) (<= ULTIMATE.start_main_~x~4 65)), 57884#(and (<= 66 ULTIMATE.start_main_~x~4) (<= ULTIMATE.start_main_~x~4 66)), 57885#(and (<= 67 ULTIMATE.start_main_~x~4) (<= ULTIMATE.start_main_~x~4 67)), 57886#(and (<= ULTIMATE.start_main_~x~4 68) (<= 68 ULTIMATE.start_main_~x~4)), 57887#(and (<= 69 ULTIMATE.start_main_~x~4) (<= ULTIMATE.start_main_~x~4 69)), 57888#(and (<= ULTIMATE.start_main_~x~4 70) (<= 70 ULTIMATE.start_main_~x~4)), 57889#(and (<= 71 ULTIMATE.start_main_~x~4) (<= ULTIMATE.start_main_~x~4 71)), 57890#(and (<= 72 ULTIMATE.start_main_~x~4) (<= ULTIMATE.start_main_~x~4 72)), 57891#(and (<= ULTIMATE.start_main_~x~4 73) (<= 73 ULTIMATE.start_main_~x~4)), 57892#(and (<= 74 ULTIMATE.start_main_~x~4) (<= ULTIMATE.start_main_~x~4 74)), 57893#(and (<= ULTIMATE.start_main_~x~4 75) (<= 75 ULTIMATE.start_main_~x~4)), 57894#(and (<= ULTIMATE.start_main_~x~4 76) (<= 76 ULTIMATE.start_main_~x~4)), 57895#(and (<= ULTIMATE.start_main_~x~4 77) (<= 77 ULTIMATE.start_main_~x~4)), 57896#(and (<= ULTIMATE.start_main_~x~4 78) (<= 78 ULTIMATE.start_main_~x~4)), 57897#(and (<= 79 ULTIMATE.start_main_~x~4) (<= ULTIMATE.start_main_~x~4 79)), 57898#(and (<= ULTIMATE.start_main_~x~4 80) (<= 80 ULTIMATE.start_main_~x~4)), 57899#(and (<= ULTIMATE.start_main_~x~4 81) (<= 81 ULTIMATE.start_main_~x~4)), 57900#(and (<= ULTIMATE.start_main_~x~4 82) (<= 82 ULTIMATE.start_main_~x~4)), 57901#(and (<= 83 ULTIMATE.start_main_~x~4) (<= ULTIMATE.start_main_~x~4 83)), 57902#(and (<= ULTIMATE.start_main_~x~4 84) (<= 84 ULTIMATE.start_main_~x~4)), 57903#(and (<= 85 ULTIMATE.start_main_~x~4) (<= ULTIMATE.start_main_~x~4 85)), 57904#(and (<= 86 ULTIMATE.start_main_~x~4) (<= ULTIMATE.start_main_~x~4 86)), 57905#(and (<= ULTIMATE.start_main_~x~4 87) (<= 87 ULTIMATE.start_main_~x~4)), 57906#(and (<= 88 ULTIMATE.start_main_~x~4) (<= ULTIMATE.start_main_~x~4 88)), 57907#(and (<= ULTIMATE.start_main_~x~4 89) (<= 89 ULTIMATE.start_main_~x~4)), 57908#(and (<= ULTIMATE.start_main_~x~4 90) (<= 90 ULTIMATE.start_main_~x~4)), 57909#(and (<= ULTIMATE.start_main_~x~4 91) (<= 91 ULTIMATE.start_main_~x~4)), 57910#(and (<= ULTIMATE.start_main_~x~4 92) (<= 92 ULTIMATE.start_main_~x~4)), 57911#(and (<= ULTIMATE.start_main_~x~4 93) (<= 93 ULTIMATE.start_main_~x~4)), 57912#(and (<= ULTIMATE.start_main_~x~4 94) (<= 94 ULTIMATE.start_main_~x~4)), 57913#(and (<= 95 ULTIMATE.start_main_~x~4) (<= ULTIMATE.start_main_~x~4 95)), 57914#(and (<= ULTIMATE.start_main_~x~4 96) (<= 96 ULTIMATE.start_main_~x~4)), 57915#(and (<= 97 ULTIMATE.start_main_~x~4) (<= ULTIMATE.start_main_~x~4 97)), 57916#(and (<= ULTIMATE.start_main_~x~4 98) (<= 98 ULTIMATE.start_main_~x~4)), 57917#(and (<= 99 ULTIMATE.start_main_~x~4) (<= ULTIMATE.start_main_~x~4 99)), 57918#(and (<= ULTIMATE.start_main_~x~4 100) (<= 100 ULTIMATE.start_main_~x~4)), 57919#(and (<= ULTIMATE.start_main_~x~4 101) (<= 101 ULTIMATE.start_main_~x~4)), 57920#(and (<= 102 ULTIMATE.start_main_~x~4) (<= ULTIMATE.start_main_~x~4 102)), 57921#(and (<= 103 ULTIMATE.start_main_~x~4) (<= ULTIMATE.start_main_~x~4 103)), 57922#(and (<= ULTIMATE.start_main_~x~4 104) (<= 104 ULTIMATE.start_main_~x~4)), 57923#(and (<= 105 ULTIMATE.start_main_~x~4) (<= ULTIMATE.start_main_~x~4 105)), 57924#(and (<= 106 ULTIMATE.start_main_~x~4) (<= ULTIMATE.start_main_~x~4 106)), 57925#(and (<= 107 ULTIMATE.start_main_~x~4) (<= ULTIMATE.start_main_~x~4 107)), 57926#(and (<= 108 ULTIMATE.start_main_~x~4) (<= ULTIMATE.start_main_~x~4 108)), 57927#(and (<= ULTIMATE.start_main_~x~4 109) (<= 109 ULTIMATE.start_main_~x~4)), 57928#(and (<= 110 ULTIMATE.start_main_~x~4) (<= ULTIMATE.start_main_~x~4 110)), 57816#true, 57817#false, 57818#(and (<= ULTIMATE.start_main_~x~4 0) (<= 0 ULTIMATE.start_main_~x~4)), 57819#(and (<= ULTIMATE.start_main_~x~4 1) (<= 1 ULTIMATE.start_main_~x~4)), 57820#(and (<= 2 ULTIMATE.start_main_~x~4) (<= ULTIMATE.start_main_~x~4 2)), 57821#(and (<= 3 ULTIMATE.start_main_~x~4) (<= ULTIMATE.start_main_~x~4 3)), 57822#(and (<= ULTIMATE.start_main_~x~4 4) (<= 4 ULTIMATE.start_main_~x~4)), 57823#(and (<= ULTIMATE.start_main_~x~4 5) (<= 5 ULTIMATE.start_main_~x~4)), 57824#(and (<= 6 ULTIMATE.start_main_~x~4) (<= ULTIMATE.start_main_~x~4 6)), 57825#(and (<= ULTIMATE.start_main_~x~4 7) (<= 7 ULTIMATE.start_main_~x~4)), 57826#(and (<= ULTIMATE.start_main_~x~4 8) (<= 8 ULTIMATE.start_main_~x~4)), 57827#(and (<= 9 ULTIMATE.start_main_~x~4) (<= ULTIMATE.start_main_~x~4 9)), 57828#(and (<= ULTIMATE.start_main_~x~4 10) (<= 10 ULTIMATE.start_main_~x~4)), 57829#(and (<= ULTIMATE.start_main_~x~4 11) (<= 11 ULTIMATE.start_main_~x~4)), 57830#(and (<= 12 ULTIMATE.start_main_~x~4) (<= ULTIMATE.start_main_~x~4 12)), 57831#(and (<= ULTIMATE.start_main_~x~4 13) (<= 13 ULTIMATE.start_main_~x~4)), 57832#(and (<= 14 ULTIMATE.start_main_~x~4) (<= ULTIMATE.start_main_~x~4 14)), 57833#(and (<= 15 ULTIMATE.start_main_~x~4) (<= ULTIMATE.start_main_~x~4 15)), 57834#(and (<= ULTIMATE.start_main_~x~4 16) (<= 16 ULTIMATE.start_main_~x~4)), 57835#(and (<= ULTIMATE.start_main_~x~4 17) (<= 17 ULTIMATE.start_main_~x~4)), 57836#(and (<= 18 ULTIMATE.start_main_~x~4) (<= ULTIMATE.start_main_~x~4 18)), 57837#(and (<= 19 ULTIMATE.start_main_~x~4) (<= ULTIMATE.start_main_~x~4 19)), 57838#(and (<= 20 ULTIMATE.start_main_~x~4) (<= ULTIMATE.start_main_~x~4 20)), 57839#(and (<= ULTIMATE.start_main_~x~4 21) (<= 21 ULTIMATE.start_main_~x~4)), 57840#(and (<= ULTIMATE.start_main_~x~4 22) (<= 22 ULTIMATE.start_main_~x~4)), 57841#(and (<= ULTIMATE.start_main_~x~4 23) (<= 23 ULTIMATE.start_main_~x~4)), 57842#(and (<= ULTIMATE.start_main_~x~4 24) (<= 24 ULTIMATE.start_main_~x~4)), 57843#(and (<= ULTIMATE.start_main_~x~4 25) (<= 25 ULTIMATE.start_main_~x~4)), 57844#(and (<= ULTIMATE.start_main_~x~4 26) (<= 26 ULTIMATE.start_main_~x~4)), 57845#(and (<= ULTIMATE.start_main_~x~4 27) (<= 27 ULTIMATE.start_main_~x~4)), 57846#(and (<= ULTIMATE.start_main_~x~4 28) (<= 28 ULTIMATE.start_main_~x~4)), 57847#(and (<= 29 ULTIMATE.start_main_~x~4) (<= ULTIMATE.start_main_~x~4 29)), 57848#(and (<= ULTIMATE.start_main_~x~4 30) (<= 30 ULTIMATE.start_main_~x~4)), 57849#(and (<= ULTIMATE.start_main_~x~4 31) (<= 31 ULTIMATE.start_main_~x~4)), 57850#(and (<= ULTIMATE.start_main_~x~4 32) (<= 32 ULTIMATE.start_main_~x~4)), 57851#(and (<= ULTIMATE.start_main_~x~4 33) (<= 33 ULTIMATE.start_main_~x~4)), 57852#(and (<= 34 ULTIMATE.start_main_~x~4) (<= ULTIMATE.start_main_~x~4 34)), 57853#(and (<= ULTIMATE.start_main_~x~4 35) (<= 35 ULTIMATE.start_main_~x~4)), 57854#(and (<= 36 ULTIMATE.start_main_~x~4) (<= ULTIMATE.start_main_~x~4 36)), 57855#(and (<= ULTIMATE.start_main_~x~4 37) (<= 37 ULTIMATE.start_main_~x~4))] [2018-07-23 13:51:06,449 INFO L134 CoverageAnalysis]: Checked inductivity of 12210 backedges. 0 proven. 12210 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-07-23 13:51:06,449 INFO L450 AbstractCegarLoop]: Interpolant automaton has 113 states [2018-07-23 13:51:06,449 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 113 interpolants. [2018-07-23 13:51:06,450 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=223, Invalid=12433, Unknown=0, NotChecked=0, Total=12656 [2018-07-23 13:51:06,450 INFO L87 Difference]: Start difference. First operand 225 states and 225 transitions. Second operand 113 states. [2018-07-23 13:51:07,336 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-07-23 13:51:07,337 INFO L93 Difference]: Finished difference Result 229 states and 229 transitions. [2018-07-23 13:51:07,337 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 113 states. [2018-07-23 13:51:07,337 INFO L78 Accepts]: Start accepts. Automaton has 113 states. Word has length 224 [2018-07-23 13:51:07,337 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-07-23 13:51:07,338 INFO L225 Difference]: With dead ends: 229 [2018-07-23 13:51:07,338 INFO L226 Difference]: Without dead ends: 227 [2018-07-23 13:51:07,338 INFO L575 BasicCegarLoop]: 0 DeclaredPredicates, 112 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 111 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.7s TimeCoverageRelationStatistics Valid=223, Invalid=12433, Unknown=0, NotChecked=0, Total=12656 [2018-07-23 13:51:07,338 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 227 states. [2018-07-23 13:51:07,344 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 227 to 227. [2018-07-23 13:51:07,344 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 227 states. [2018-07-23 13:51:07,344 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 227 states to 227 states and 227 transitions. [2018-07-23 13:51:07,344 INFO L78 Accepts]: Start accepts. Automaton has 227 states and 227 transitions. Word has length 224 [2018-07-23 13:51:07,345 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-07-23 13:51:07,345 INFO L471 AbstractCegarLoop]: Abstraction has 227 states and 227 transitions. [2018-07-23 13:51:07,345 INFO L472 AbstractCegarLoop]: Interpolant automaton has 113 states. [2018-07-23 13:51:07,345 INFO L276 IsEmpty]: Start isEmpty. Operand 227 states and 227 transitions. [2018-07-23 13:51:07,345 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 227 [2018-07-23 13:51:07,345 INFO L349 BasicCegarLoop]: Found error trace [2018-07-23 13:51:07,345 INFO L357 BasicCegarLoop]: trace histogram [112, 111, 1, 1, 1] [2018-07-23 13:51:07,346 INFO L414 AbstractCegarLoop]: === Iteration 112 === [ULTIMATE.startErr0AssertViolationASSERT]=== [2018-07-23 13:51:07,346 INFO L82 PathProgramCache]: Analyzing trace with hash 1406634221, now seen corresponding path program 111 times [2018-07-23 13:51:07,346 INFO L69 tionRefinementEngine]: Using refinement strategy FixedRefinementStrategy [2018-07-23 13:51:07,483 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-07-23 13:51:08,130 INFO L134 CoverageAnalysis]: Checked inductivity of 12432 backedges. 0 proven. 12432 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-07-23 13:51:08,131 INFO L309 seRefinementStrategy]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2018-07-23 13:51:08,131 INFO L324 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [113] total 113 [2018-07-23 13:51:08,131 INFO L142 lantAutomatonBuilder]: Constructing canonical interpolant automaton, with selfloop in false state [2018-07-23 13:51:08,131 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-07-23 13:51:08,132 INFO L185 omatonBuilderFactory]: Interpolants [58880#(and (<= ULTIMATE.start_main_~x~4 37) (<= 37 ULTIMATE.start_main_~x~4)), 58881#(and (<= 38 ULTIMATE.start_main_~x~4) (<= ULTIMATE.start_main_~x~4 38)), 58882#(and (<= ULTIMATE.start_main_~x~4 39) (<= 39 ULTIMATE.start_main_~x~4)), 58883#(and (<= ULTIMATE.start_main_~x~4 40) (<= 40 ULTIMATE.start_main_~x~4)), 58884#(and (<= ULTIMATE.start_main_~x~4 41) (<= 41 ULTIMATE.start_main_~x~4)), 58885#(and (<= ULTIMATE.start_main_~x~4 42) (<= 42 ULTIMATE.start_main_~x~4)), 58886#(and (<= ULTIMATE.start_main_~x~4 43) (<= 43 ULTIMATE.start_main_~x~4)), 58887#(and (<= 44 ULTIMATE.start_main_~x~4) (<= ULTIMATE.start_main_~x~4 44)), 58888#(and (<= 45 ULTIMATE.start_main_~x~4) (<= ULTIMATE.start_main_~x~4 45)), 58889#(and (<= ULTIMATE.start_main_~x~4 46) (<= 46 ULTIMATE.start_main_~x~4)), 58890#(and (<= 47 ULTIMATE.start_main_~x~4) (<= ULTIMATE.start_main_~x~4 47)), 58891#(and (<= 48 ULTIMATE.start_main_~x~4) (<= ULTIMATE.start_main_~x~4 48)), 58892#(and (<= 49 ULTIMATE.start_main_~x~4) (<= ULTIMATE.start_main_~x~4 49)), 58893#(and (<= ULTIMATE.start_main_~x~4 50) (<= 50 ULTIMATE.start_main_~x~4)), 58894#(and (<= 51 ULTIMATE.start_main_~x~4) (<= ULTIMATE.start_main_~x~4 51)), 58895#(and (<= ULTIMATE.start_main_~x~4 52) (<= 52 ULTIMATE.start_main_~x~4)), 58896#(and (<= 53 ULTIMATE.start_main_~x~4) (<= ULTIMATE.start_main_~x~4 53)), 58897#(and (<= ULTIMATE.start_main_~x~4 54) (<= 54 ULTIMATE.start_main_~x~4)), 58898#(and (<= 55 ULTIMATE.start_main_~x~4) (<= ULTIMATE.start_main_~x~4 55)), 58899#(and (<= 56 ULTIMATE.start_main_~x~4) (<= ULTIMATE.start_main_~x~4 56)), 58900#(and (<= 57 ULTIMATE.start_main_~x~4) (<= ULTIMATE.start_main_~x~4 57)), 58901#(and (<= 58 ULTIMATE.start_main_~x~4) (<= ULTIMATE.start_main_~x~4 58)), 58902#(and (<= ULTIMATE.start_main_~x~4 59) (<= 59 ULTIMATE.start_main_~x~4)), 58903#(and (<= 60 ULTIMATE.start_main_~x~4) (<= ULTIMATE.start_main_~x~4 60)), 58904#(and (<= 61 ULTIMATE.start_main_~x~4) (<= ULTIMATE.start_main_~x~4 61)), 58905#(and (<= ULTIMATE.start_main_~x~4 62) (<= 62 ULTIMATE.start_main_~x~4)), 58906#(and (<= 63 ULTIMATE.start_main_~x~4) (<= ULTIMATE.start_main_~x~4 63)), 58907#(and (<= ULTIMATE.start_main_~x~4 64) (<= 64 ULTIMATE.start_main_~x~4)), 58908#(and (<= 65 ULTIMATE.start_main_~x~4) (<= ULTIMATE.start_main_~x~4 65)), 58909#(and (<= 66 ULTIMATE.start_main_~x~4) (<= ULTIMATE.start_main_~x~4 66)), 58910#(and (<= 67 ULTIMATE.start_main_~x~4) (<= ULTIMATE.start_main_~x~4 67)), 58911#(and (<= ULTIMATE.start_main_~x~4 68) (<= 68 ULTIMATE.start_main_~x~4)), 58912#(and (<= 69 ULTIMATE.start_main_~x~4) (<= ULTIMATE.start_main_~x~4 69)), 58913#(and (<= ULTIMATE.start_main_~x~4 70) (<= 70 ULTIMATE.start_main_~x~4)), 58914#(and (<= 71 ULTIMATE.start_main_~x~4) (<= ULTIMATE.start_main_~x~4 71)), 58915#(and (<= 72 ULTIMATE.start_main_~x~4) (<= ULTIMATE.start_main_~x~4 72)), 58916#(and (<= ULTIMATE.start_main_~x~4 73) (<= 73 ULTIMATE.start_main_~x~4)), 58917#(and (<= 74 ULTIMATE.start_main_~x~4) (<= ULTIMATE.start_main_~x~4 74)), 58918#(and (<= ULTIMATE.start_main_~x~4 75) (<= 75 ULTIMATE.start_main_~x~4)), 58919#(and (<= ULTIMATE.start_main_~x~4 76) (<= 76 ULTIMATE.start_main_~x~4)), 58920#(and (<= ULTIMATE.start_main_~x~4 77) (<= 77 ULTIMATE.start_main_~x~4)), 58921#(and (<= ULTIMATE.start_main_~x~4 78) (<= 78 ULTIMATE.start_main_~x~4)), 58922#(and (<= 79 ULTIMATE.start_main_~x~4) (<= ULTIMATE.start_main_~x~4 79)), 58923#(and (<= ULTIMATE.start_main_~x~4 80) (<= 80 ULTIMATE.start_main_~x~4)), 58924#(and (<= ULTIMATE.start_main_~x~4 81) (<= 81 ULTIMATE.start_main_~x~4)), 58925#(and (<= ULTIMATE.start_main_~x~4 82) (<= 82 ULTIMATE.start_main_~x~4)), 58926#(and (<= 83 ULTIMATE.start_main_~x~4) (<= ULTIMATE.start_main_~x~4 83)), 58927#(and (<= ULTIMATE.start_main_~x~4 84) (<= 84 ULTIMATE.start_main_~x~4)), 58928#(and (<= 85 ULTIMATE.start_main_~x~4) (<= ULTIMATE.start_main_~x~4 85)), 58929#(and (<= 86 ULTIMATE.start_main_~x~4) (<= ULTIMATE.start_main_~x~4 86)), 58930#(and (<= ULTIMATE.start_main_~x~4 87) (<= 87 ULTIMATE.start_main_~x~4)), 58931#(and (<= 88 ULTIMATE.start_main_~x~4) (<= ULTIMATE.start_main_~x~4 88)), 58932#(and (<= ULTIMATE.start_main_~x~4 89) (<= 89 ULTIMATE.start_main_~x~4)), 58933#(and (<= ULTIMATE.start_main_~x~4 90) (<= 90 ULTIMATE.start_main_~x~4)), 58934#(and (<= ULTIMATE.start_main_~x~4 91) (<= 91 ULTIMATE.start_main_~x~4)), 58935#(and (<= ULTIMATE.start_main_~x~4 92) (<= 92 ULTIMATE.start_main_~x~4)), 58936#(and (<= ULTIMATE.start_main_~x~4 93) (<= 93 ULTIMATE.start_main_~x~4)), 58937#(and (<= ULTIMATE.start_main_~x~4 94) (<= 94 ULTIMATE.start_main_~x~4)), 58938#(and (<= 95 ULTIMATE.start_main_~x~4) (<= ULTIMATE.start_main_~x~4 95)), 58939#(and (<= ULTIMATE.start_main_~x~4 96) (<= 96 ULTIMATE.start_main_~x~4)), 58940#(and (<= 97 ULTIMATE.start_main_~x~4) (<= ULTIMATE.start_main_~x~4 97)), 58941#(and (<= ULTIMATE.start_main_~x~4 98) (<= 98 ULTIMATE.start_main_~x~4)), 58942#(and (<= 99 ULTIMATE.start_main_~x~4) (<= ULTIMATE.start_main_~x~4 99)), 58943#(and (<= ULTIMATE.start_main_~x~4 100) (<= 100 ULTIMATE.start_main_~x~4)), 58944#(and (<= ULTIMATE.start_main_~x~4 101) (<= 101 ULTIMATE.start_main_~x~4)), 58945#(and (<= 102 ULTIMATE.start_main_~x~4) (<= ULTIMATE.start_main_~x~4 102)), 58946#(and (<= 103 ULTIMATE.start_main_~x~4) (<= ULTIMATE.start_main_~x~4 103)), 58947#(and (<= ULTIMATE.start_main_~x~4 104) (<= 104 ULTIMATE.start_main_~x~4)), 58948#(and (<= 105 ULTIMATE.start_main_~x~4) (<= ULTIMATE.start_main_~x~4 105)), 58949#(and (<= 106 ULTIMATE.start_main_~x~4) (<= ULTIMATE.start_main_~x~4 106)), 58950#(and (<= 107 ULTIMATE.start_main_~x~4) (<= ULTIMATE.start_main_~x~4 107)), 58951#(and (<= 108 ULTIMATE.start_main_~x~4) (<= ULTIMATE.start_main_~x~4 108)), 58952#(and (<= ULTIMATE.start_main_~x~4 109) (<= 109 ULTIMATE.start_main_~x~4)), 58953#(and (<= 110 ULTIMATE.start_main_~x~4) (<= ULTIMATE.start_main_~x~4 110)), 58954#(and (<= ULTIMATE.start_main_~x~4 111) (<= 111 ULTIMATE.start_main_~x~4)), 58841#true, 58842#false, 58843#(and (<= ULTIMATE.start_main_~x~4 0) (<= 0 ULTIMATE.start_main_~x~4)), 58844#(and (<= ULTIMATE.start_main_~x~4 1) (<= 1 ULTIMATE.start_main_~x~4)), 58845#(and (<= 2 ULTIMATE.start_main_~x~4) (<= ULTIMATE.start_main_~x~4 2)), 58846#(and (<= 3 ULTIMATE.start_main_~x~4) (<= ULTIMATE.start_main_~x~4 3)), 58847#(and (<= ULTIMATE.start_main_~x~4 4) (<= 4 ULTIMATE.start_main_~x~4)), 58848#(and (<= ULTIMATE.start_main_~x~4 5) (<= 5 ULTIMATE.start_main_~x~4)), 58849#(and (<= 6 ULTIMATE.start_main_~x~4) (<= ULTIMATE.start_main_~x~4 6)), 58850#(and (<= ULTIMATE.start_main_~x~4 7) (<= 7 ULTIMATE.start_main_~x~4)), 58851#(and (<= ULTIMATE.start_main_~x~4 8) (<= 8 ULTIMATE.start_main_~x~4)), 58852#(and (<= 9 ULTIMATE.start_main_~x~4) (<= ULTIMATE.start_main_~x~4 9)), 58853#(and (<= ULTIMATE.start_main_~x~4 10) (<= 10 ULTIMATE.start_main_~x~4)), 58854#(and (<= ULTIMATE.start_main_~x~4 11) (<= 11 ULTIMATE.start_main_~x~4)), 58855#(and (<= 12 ULTIMATE.start_main_~x~4) (<= ULTIMATE.start_main_~x~4 12)), 58856#(and (<= ULTIMATE.start_main_~x~4 13) (<= 13 ULTIMATE.start_main_~x~4)), 58857#(and (<= 14 ULTIMATE.start_main_~x~4) (<= ULTIMATE.start_main_~x~4 14)), 58858#(and (<= 15 ULTIMATE.start_main_~x~4) (<= ULTIMATE.start_main_~x~4 15)), 58859#(and (<= ULTIMATE.start_main_~x~4 16) (<= 16 ULTIMATE.start_main_~x~4)), 58860#(and (<= ULTIMATE.start_main_~x~4 17) (<= 17 ULTIMATE.start_main_~x~4)), 58861#(and (<= 18 ULTIMATE.start_main_~x~4) (<= ULTIMATE.start_main_~x~4 18)), 58862#(and (<= 19 ULTIMATE.start_main_~x~4) (<= ULTIMATE.start_main_~x~4 19)), 58863#(and (<= 20 ULTIMATE.start_main_~x~4) (<= ULTIMATE.start_main_~x~4 20)), 58864#(and (<= ULTIMATE.start_main_~x~4 21) (<= 21 ULTIMATE.start_main_~x~4)), 58865#(and (<= ULTIMATE.start_main_~x~4 22) (<= 22 ULTIMATE.start_main_~x~4)), 58866#(and (<= ULTIMATE.start_main_~x~4 23) (<= 23 ULTIMATE.start_main_~x~4)), 58867#(and (<= ULTIMATE.start_main_~x~4 24) (<= 24 ULTIMATE.start_main_~x~4)), 58868#(and (<= ULTIMATE.start_main_~x~4 25) (<= 25 ULTIMATE.start_main_~x~4)), 58869#(and (<= ULTIMATE.start_main_~x~4 26) (<= 26 ULTIMATE.start_main_~x~4)), 58870#(and (<= ULTIMATE.start_main_~x~4 27) (<= 27 ULTIMATE.start_main_~x~4)), 58871#(and (<= ULTIMATE.start_main_~x~4 28) (<= 28 ULTIMATE.start_main_~x~4)), 58872#(and (<= 29 ULTIMATE.start_main_~x~4) (<= ULTIMATE.start_main_~x~4 29)), 58873#(and (<= ULTIMATE.start_main_~x~4 30) (<= 30 ULTIMATE.start_main_~x~4)), 58874#(and (<= ULTIMATE.start_main_~x~4 31) (<= 31 ULTIMATE.start_main_~x~4)), 58875#(and (<= ULTIMATE.start_main_~x~4 32) (<= 32 ULTIMATE.start_main_~x~4)), 58876#(and (<= ULTIMATE.start_main_~x~4 33) (<= 33 ULTIMATE.start_main_~x~4)), 58877#(and (<= 34 ULTIMATE.start_main_~x~4) (<= ULTIMATE.start_main_~x~4 34)), 58878#(and (<= ULTIMATE.start_main_~x~4 35) (<= 35 ULTIMATE.start_main_~x~4)), 58879#(and (<= 36 ULTIMATE.start_main_~x~4) (<= ULTIMATE.start_main_~x~4 36))] [2018-07-23 13:51:08,132 INFO L134 CoverageAnalysis]: Checked inductivity of 12432 backedges. 0 proven. 12432 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-07-23 13:51:08,132 INFO L450 AbstractCegarLoop]: Interpolant automaton has 114 states [2018-07-23 13:51:08,133 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 114 interpolants. [2018-07-23 13:51:08,133 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=225, Invalid=12657, Unknown=0, NotChecked=0, Total=12882 [2018-07-23 13:51:08,133 INFO L87 Difference]: Start difference. First operand 227 states and 227 transitions. Second operand 114 states. [2018-07-23 13:51:09,031 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-07-23 13:51:09,032 INFO L93 Difference]: Finished difference Result 231 states and 231 transitions. [2018-07-23 13:51:09,032 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 114 states. [2018-07-23 13:51:09,032 INFO L78 Accepts]: Start accepts. Automaton has 114 states. Word has length 226 [2018-07-23 13:51:09,032 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-07-23 13:51:09,032 INFO L225 Difference]: With dead ends: 231 [2018-07-23 13:51:09,033 INFO L226 Difference]: Without dead ends: 229 [2018-07-23 13:51:09,033 INFO L575 BasicCegarLoop]: 0 DeclaredPredicates, 113 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 112 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.4s TimeCoverageRelationStatistics Valid=225, Invalid=12657, Unknown=0, NotChecked=0, Total=12882 [2018-07-23 13:51:09,034 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 229 states. [2018-07-23 13:51:09,039 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 229 to 229. [2018-07-23 13:51:09,039 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 229 states. [2018-07-23 13:51:09,040 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 229 states to 229 states and 229 transitions. [2018-07-23 13:51:09,040 INFO L78 Accepts]: Start accepts. Automaton has 229 states and 229 transitions. Word has length 226 [2018-07-23 13:51:09,040 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-07-23 13:51:09,040 INFO L471 AbstractCegarLoop]: Abstraction has 229 states and 229 transitions. [2018-07-23 13:51:09,040 INFO L472 AbstractCegarLoop]: Interpolant automaton has 114 states. [2018-07-23 13:51:09,040 INFO L276 IsEmpty]: Start isEmpty. Operand 229 states and 229 transitions. [2018-07-23 13:51:09,041 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 229 [2018-07-23 13:51:09,041 INFO L349 BasicCegarLoop]: Found error trace [2018-07-23 13:51:09,041 INFO L357 BasicCegarLoop]: trace histogram [113, 112, 1, 1, 1] [2018-07-23 13:51:09,041 INFO L414 AbstractCegarLoop]: === Iteration 113 === [ULTIMATE.startErr0AssertViolationASSERT]=== [2018-07-23 13:51:09,041 INFO L82 PathProgramCache]: Analyzing trace with hash -1139159769, now seen corresponding path program 112 times [2018-07-23 13:51:09,041 INFO L69 tionRefinementEngine]: Using refinement strategy FixedRefinementStrategy [2018-07-23 13:51:09,182 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-07-23 13:51:09,850 INFO L134 CoverageAnalysis]: Checked inductivity of 12656 backedges. 0 proven. 12656 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-07-23 13:51:09,850 INFO L309 seRefinementStrategy]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2018-07-23 13:51:09,850 INFO L324 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [114] total 114 [2018-07-23 13:51:09,850 INFO L142 lantAutomatonBuilder]: Constructing canonical interpolant automaton, with selfloop in false state [2018-07-23 13:51:09,851 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-07-23 13:51:09,851 INFO L185 omatonBuilderFactory]: Interpolants [59904#(and (<= ULTIMATE.start_main_~x~4 27) (<= 27 ULTIMATE.start_main_~x~4)), 59905#(and (<= ULTIMATE.start_main_~x~4 28) (<= 28 ULTIMATE.start_main_~x~4)), 59906#(and (<= 29 ULTIMATE.start_main_~x~4) (<= ULTIMATE.start_main_~x~4 29)), 59907#(and (<= ULTIMATE.start_main_~x~4 30) (<= 30 ULTIMATE.start_main_~x~4)), 59908#(and (<= ULTIMATE.start_main_~x~4 31) (<= 31 ULTIMATE.start_main_~x~4)), 59909#(and (<= ULTIMATE.start_main_~x~4 32) (<= 32 ULTIMATE.start_main_~x~4)), 59910#(and (<= ULTIMATE.start_main_~x~4 33) (<= 33 ULTIMATE.start_main_~x~4)), 59911#(and (<= 34 ULTIMATE.start_main_~x~4) (<= ULTIMATE.start_main_~x~4 34)), 59912#(and (<= ULTIMATE.start_main_~x~4 35) (<= 35 ULTIMATE.start_main_~x~4)), 59913#(and (<= 36 ULTIMATE.start_main_~x~4) (<= ULTIMATE.start_main_~x~4 36)), 59914#(and (<= ULTIMATE.start_main_~x~4 37) (<= 37 ULTIMATE.start_main_~x~4)), 59915#(and (<= 38 ULTIMATE.start_main_~x~4) (<= ULTIMATE.start_main_~x~4 38)), 59916#(and (<= ULTIMATE.start_main_~x~4 39) (<= 39 ULTIMATE.start_main_~x~4)), 59917#(and (<= ULTIMATE.start_main_~x~4 40) (<= 40 ULTIMATE.start_main_~x~4)), 59918#(and (<= ULTIMATE.start_main_~x~4 41) (<= 41 ULTIMATE.start_main_~x~4)), 59919#(and (<= ULTIMATE.start_main_~x~4 42) (<= 42 ULTIMATE.start_main_~x~4)), 59920#(and (<= ULTIMATE.start_main_~x~4 43) (<= 43 ULTIMATE.start_main_~x~4)), 59921#(and (<= 44 ULTIMATE.start_main_~x~4) (<= ULTIMATE.start_main_~x~4 44)), 59922#(and (<= 45 ULTIMATE.start_main_~x~4) (<= ULTIMATE.start_main_~x~4 45)), 59923#(and (<= ULTIMATE.start_main_~x~4 46) (<= 46 ULTIMATE.start_main_~x~4)), 59924#(and (<= 47 ULTIMATE.start_main_~x~4) (<= ULTIMATE.start_main_~x~4 47)), 59925#(and (<= 48 ULTIMATE.start_main_~x~4) (<= ULTIMATE.start_main_~x~4 48)), 59926#(and (<= 49 ULTIMATE.start_main_~x~4) (<= ULTIMATE.start_main_~x~4 49)), 59927#(and (<= ULTIMATE.start_main_~x~4 50) (<= 50 ULTIMATE.start_main_~x~4)), 59928#(and (<= 51 ULTIMATE.start_main_~x~4) (<= ULTIMATE.start_main_~x~4 51)), 59929#(and (<= ULTIMATE.start_main_~x~4 52) (<= 52 ULTIMATE.start_main_~x~4)), 59930#(and (<= 53 ULTIMATE.start_main_~x~4) (<= ULTIMATE.start_main_~x~4 53)), 59931#(and (<= ULTIMATE.start_main_~x~4 54) (<= 54 ULTIMATE.start_main_~x~4)), 59932#(and (<= 55 ULTIMATE.start_main_~x~4) (<= ULTIMATE.start_main_~x~4 55)), 59933#(and (<= 56 ULTIMATE.start_main_~x~4) (<= ULTIMATE.start_main_~x~4 56)), 59934#(and (<= 57 ULTIMATE.start_main_~x~4) (<= ULTIMATE.start_main_~x~4 57)), 59935#(and (<= 58 ULTIMATE.start_main_~x~4) (<= ULTIMATE.start_main_~x~4 58)), 59936#(and (<= ULTIMATE.start_main_~x~4 59) (<= 59 ULTIMATE.start_main_~x~4)), 59937#(and (<= 60 ULTIMATE.start_main_~x~4) (<= ULTIMATE.start_main_~x~4 60)), 59938#(and (<= 61 ULTIMATE.start_main_~x~4) (<= ULTIMATE.start_main_~x~4 61)), 59939#(and (<= ULTIMATE.start_main_~x~4 62) (<= 62 ULTIMATE.start_main_~x~4)), 59940#(and (<= 63 ULTIMATE.start_main_~x~4) (<= ULTIMATE.start_main_~x~4 63)), 59941#(and (<= ULTIMATE.start_main_~x~4 64) (<= 64 ULTIMATE.start_main_~x~4)), 59942#(and (<= 65 ULTIMATE.start_main_~x~4) (<= ULTIMATE.start_main_~x~4 65)), 59943#(and (<= 66 ULTIMATE.start_main_~x~4) (<= ULTIMATE.start_main_~x~4 66)), 59944#(and (<= 67 ULTIMATE.start_main_~x~4) (<= ULTIMATE.start_main_~x~4 67)), 59945#(and (<= ULTIMATE.start_main_~x~4 68) (<= 68 ULTIMATE.start_main_~x~4)), 59946#(and (<= 69 ULTIMATE.start_main_~x~4) (<= ULTIMATE.start_main_~x~4 69)), 59947#(and (<= ULTIMATE.start_main_~x~4 70) (<= 70 ULTIMATE.start_main_~x~4)), 59948#(and (<= 71 ULTIMATE.start_main_~x~4) (<= ULTIMATE.start_main_~x~4 71)), 59949#(and (<= 72 ULTIMATE.start_main_~x~4) (<= ULTIMATE.start_main_~x~4 72)), 59950#(and (<= ULTIMATE.start_main_~x~4 73) (<= 73 ULTIMATE.start_main_~x~4)), 59951#(and (<= 74 ULTIMATE.start_main_~x~4) (<= ULTIMATE.start_main_~x~4 74)), 59952#(and (<= ULTIMATE.start_main_~x~4 75) (<= 75 ULTIMATE.start_main_~x~4)), 59953#(and (<= ULTIMATE.start_main_~x~4 76) (<= 76 ULTIMATE.start_main_~x~4)), 59954#(and (<= ULTIMATE.start_main_~x~4 77) (<= 77 ULTIMATE.start_main_~x~4)), 59955#(and (<= ULTIMATE.start_main_~x~4 78) (<= 78 ULTIMATE.start_main_~x~4)), 59956#(and (<= 79 ULTIMATE.start_main_~x~4) (<= ULTIMATE.start_main_~x~4 79)), 59957#(and (<= ULTIMATE.start_main_~x~4 80) (<= 80 ULTIMATE.start_main_~x~4)), 59958#(and (<= ULTIMATE.start_main_~x~4 81) (<= 81 ULTIMATE.start_main_~x~4)), 59959#(and (<= ULTIMATE.start_main_~x~4 82) (<= 82 ULTIMATE.start_main_~x~4)), 59960#(and (<= 83 ULTIMATE.start_main_~x~4) (<= ULTIMATE.start_main_~x~4 83)), 59961#(and (<= ULTIMATE.start_main_~x~4 84) (<= 84 ULTIMATE.start_main_~x~4)), 59962#(and (<= 85 ULTIMATE.start_main_~x~4) (<= ULTIMATE.start_main_~x~4 85)), 59963#(and (<= 86 ULTIMATE.start_main_~x~4) (<= ULTIMATE.start_main_~x~4 86)), 59964#(and (<= ULTIMATE.start_main_~x~4 87) (<= 87 ULTIMATE.start_main_~x~4)), 59965#(and (<= 88 ULTIMATE.start_main_~x~4) (<= ULTIMATE.start_main_~x~4 88)), 59966#(and (<= ULTIMATE.start_main_~x~4 89) (<= 89 ULTIMATE.start_main_~x~4)), 59967#(and (<= ULTIMATE.start_main_~x~4 90) (<= 90 ULTIMATE.start_main_~x~4)), 59968#(and (<= ULTIMATE.start_main_~x~4 91) (<= 91 ULTIMATE.start_main_~x~4)), 59969#(and (<= ULTIMATE.start_main_~x~4 92) (<= 92 ULTIMATE.start_main_~x~4)), 59970#(and (<= ULTIMATE.start_main_~x~4 93) (<= 93 ULTIMATE.start_main_~x~4)), 59971#(and (<= ULTIMATE.start_main_~x~4 94) (<= 94 ULTIMATE.start_main_~x~4)), 59972#(and (<= 95 ULTIMATE.start_main_~x~4) (<= ULTIMATE.start_main_~x~4 95)), 59973#(and (<= ULTIMATE.start_main_~x~4 96) (<= 96 ULTIMATE.start_main_~x~4)), 59974#(and (<= 97 ULTIMATE.start_main_~x~4) (<= ULTIMATE.start_main_~x~4 97)), 59975#(and (<= ULTIMATE.start_main_~x~4 98) (<= 98 ULTIMATE.start_main_~x~4)), 59976#(and (<= 99 ULTIMATE.start_main_~x~4) (<= ULTIMATE.start_main_~x~4 99)), 59977#(and (<= ULTIMATE.start_main_~x~4 100) (<= 100 ULTIMATE.start_main_~x~4)), 59978#(and (<= ULTIMATE.start_main_~x~4 101) (<= 101 ULTIMATE.start_main_~x~4)), 59979#(and (<= 102 ULTIMATE.start_main_~x~4) (<= ULTIMATE.start_main_~x~4 102)), 59980#(and (<= 103 ULTIMATE.start_main_~x~4) (<= ULTIMATE.start_main_~x~4 103)), 59981#(and (<= ULTIMATE.start_main_~x~4 104) (<= 104 ULTIMATE.start_main_~x~4)), 59982#(and (<= 105 ULTIMATE.start_main_~x~4) (<= ULTIMATE.start_main_~x~4 105)), 59983#(and (<= 106 ULTIMATE.start_main_~x~4) (<= ULTIMATE.start_main_~x~4 106)), 59984#(and (<= 107 ULTIMATE.start_main_~x~4) (<= ULTIMATE.start_main_~x~4 107)), 59985#(and (<= 108 ULTIMATE.start_main_~x~4) (<= ULTIMATE.start_main_~x~4 108)), 59986#(and (<= ULTIMATE.start_main_~x~4 109) (<= 109 ULTIMATE.start_main_~x~4)), 59987#(and (<= 110 ULTIMATE.start_main_~x~4) (<= ULTIMATE.start_main_~x~4 110)), 59988#(and (<= ULTIMATE.start_main_~x~4 111) (<= 111 ULTIMATE.start_main_~x~4)), 59989#(and (<= ULTIMATE.start_main_~x~4 112) (<= 112 ULTIMATE.start_main_~x~4)), 59875#true, 59876#false, 59877#(and (<= ULTIMATE.start_main_~x~4 0) (<= 0 ULTIMATE.start_main_~x~4)), 59878#(and (<= ULTIMATE.start_main_~x~4 1) (<= 1 ULTIMATE.start_main_~x~4)), 59879#(and (<= 2 ULTIMATE.start_main_~x~4) (<= ULTIMATE.start_main_~x~4 2)), 59880#(and (<= 3 ULTIMATE.start_main_~x~4) (<= ULTIMATE.start_main_~x~4 3)), 59881#(and (<= ULTIMATE.start_main_~x~4 4) (<= 4 ULTIMATE.start_main_~x~4)), 59882#(and (<= ULTIMATE.start_main_~x~4 5) (<= 5 ULTIMATE.start_main_~x~4)), 59883#(and (<= 6 ULTIMATE.start_main_~x~4) (<= ULTIMATE.start_main_~x~4 6)), 59884#(and (<= ULTIMATE.start_main_~x~4 7) (<= 7 ULTIMATE.start_main_~x~4)), 59885#(and (<= ULTIMATE.start_main_~x~4 8) (<= 8 ULTIMATE.start_main_~x~4)), 59886#(and (<= 9 ULTIMATE.start_main_~x~4) (<= ULTIMATE.start_main_~x~4 9)), 59887#(and (<= ULTIMATE.start_main_~x~4 10) (<= 10 ULTIMATE.start_main_~x~4)), 59888#(and (<= ULTIMATE.start_main_~x~4 11) (<= 11 ULTIMATE.start_main_~x~4)), 59889#(and (<= 12 ULTIMATE.start_main_~x~4) (<= ULTIMATE.start_main_~x~4 12)), 59890#(and (<= ULTIMATE.start_main_~x~4 13) (<= 13 ULTIMATE.start_main_~x~4)), 59891#(and (<= 14 ULTIMATE.start_main_~x~4) (<= ULTIMATE.start_main_~x~4 14)), 59892#(and (<= 15 ULTIMATE.start_main_~x~4) (<= ULTIMATE.start_main_~x~4 15)), 59893#(and (<= ULTIMATE.start_main_~x~4 16) (<= 16 ULTIMATE.start_main_~x~4)), 59894#(and (<= ULTIMATE.start_main_~x~4 17) (<= 17 ULTIMATE.start_main_~x~4)), 59895#(and (<= 18 ULTIMATE.start_main_~x~4) (<= ULTIMATE.start_main_~x~4 18)), 59896#(and (<= 19 ULTIMATE.start_main_~x~4) (<= ULTIMATE.start_main_~x~4 19)), 59897#(and (<= 20 ULTIMATE.start_main_~x~4) (<= ULTIMATE.start_main_~x~4 20)), 59898#(and (<= ULTIMATE.start_main_~x~4 21) (<= 21 ULTIMATE.start_main_~x~4)), 59899#(and (<= ULTIMATE.start_main_~x~4 22) (<= 22 ULTIMATE.start_main_~x~4)), 59900#(and (<= ULTIMATE.start_main_~x~4 23) (<= 23 ULTIMATE.start_main_~x~4)), 59901#(and (<= ULTIMATE.start_main_~x~4 24) (<= 24 ULTIMATE.start_main_~x~4)), 59902#(and (<= ULTIMATE.start_main_~x~4 25) (<= 25 ULTIMATE.start_main_~x~4)), 59903#(and (<= ULTIMATE.start_main_~x~4 26) (<= 26 ULTIMATE.start_main_~x~4))] [2018-07-23 13:51:09,852 INFO L134 CoverageAnalysis]: Checked inductivity of 12656 backedges. 0 proven. 12656 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-07-23 13:51:09,852 INFO L450 AbstractCegarLoop]: Interpolant automaton has 115 states [2018-07-23 13:51:09,852 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 115 interpolants. [2018-07-23 13:51:09,853 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=227, Invalid=12883, Unknown=0, NotChecked=0, Total=13110 [2018-07-23 13:51:09,853 INFO L87 Difference]: Start difference. First operand 229 states and 229 transitions. Second operand 115 states. [2018-07-23 13:51:10,824 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-07-23 13:51:10,824 INFO L93 Difference]: Finished difference Result 233 states and 233 transitions. [2018-07-23 13:51:10,824 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 115 states. [2018-07-23 13:51:10,824 INFO L78 Accepts]: Start accepts. Automaton has 115 states. Word has length 228 [2018-07-23 13:51:10,825 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-07-23 13:51:10,825 INFO L225 Difference]: With dead ends: 233 [2018-07-23 13:51:10,825 INFO L226 Difference]: Without dead ends: 231 [2018-07-23 13:51:10,826 INFO L575 BasicCegarLoop]: 0 DeclaredPredicates, 114 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 113 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.5s TimeCoverageRelationStatistics Valid=227, Invalid=12883, Unknown=0, NotChecked=0, Total=13110 [2018-07-23 13:51:10,826 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 231 states. [2018-07-23 13:51:10,837 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 231 to 231. [2018-07-23 13:51:10,837 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 231 states. [2018-07-23 13:51:10,837 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 231 states to 231 states and 231 transitions. [2018-07-23 13:51:10,838 INFO L78 Accepts]: Start accepts. Automaton has 231 states and 231 transitions. Word has length 228 [2018-07-23 13:51:10,861 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-07-23 13:51:10,861 INFO L471 AbstractCegarLoop]: Abstraction has 231 states and 231 transitions. [2018-07-23 13:51:10,861 INFO L472 AbstractCegarLoop]: Interpolant automaton has 115 states. [2018-07-23 13:51:10,861 INFO L276 IsEmpty]: Start isEmpty. Operand 231 states and 231 transitions. [2018-07-23 13:51:10,865 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 231 [2018-07-23 13:51:10,865 INFO L349 BasicCegarLoop]: Found error trace [2018-07-23 13:51:10,865 INFO L357 BasicCegarLoop]: trace histogram [114, 113, 1, 1, 1] [2018-07-23 13:51:10,865 INFO L414 AbstractCegarLoop]: === Iteration 114 === [ULTIMATE.startErr0AssertViolationASSERT]=== [2018-07-23 13:51:10,867 INFO L82 PathProgramCache]: Analyzing trace with hash 484174561, now seen corresponding path program 113 times [2018-07-23 13:51:10,867 INFO L69 tionRefinementEngine]: Using refinement strategy FixedRefinementStrategy [2018-07-23 13:51:11,017 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-07-23 13:51:11,694 INFO L134 CoverageAnalysis]: Checked inductivity of 12882 backedges. 0 proven. 12882 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-07-23 13:51:11,695 INFO L309 seRefinementStrategy]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2018-07-23 13:51:11,695 INFO L324 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [115] total 115 [2018-07-23 13:51:11,695 INFO L142 lantAutomatonBuilder]: Constructing canonical interpolant automaton, with selfloop in false state [2018-07-23 13:51:11,695 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-07-23 13:51:11,696 INFO L185 omatonBuilderFactory]: Interpolants [60928#(and (<= ULTIMATE.start_main_~x~4 8) (<= 8 ULTIMATE.start_main_~x~4)), 60929#(and (<= 9 ULTIMATE.start_main_~x~4) (<= ULTIMATE.start_main_~x~4 9)), 60930#(and (<= ULTIMATE.start_main_~x~4 10) (<= 10 ULTIMATE.start_main_~x~4)), 60931#(and (<= ULTIMATE.start_main_~x~4 11) (<= 11 ULTIMATE.start_main_~x~4)), 60932#(and (<= 12 ULTIMATE.start_main_~x~4) (<= ULTIMATE.start_main_~x~4 12)), 60933#(and (<= ULTIMATE.start_main_~x~4 13) (<= 13 ULTIMATE.start_main_~x~4)), 60934#(and (<= 14 ULTIMATE.start_main_~x~4) (<= ULTIMATE.start_main_~x~4 14)), 60935#(and (<= 15 ULTIMATE.start_main_~x~4) (<= ULTIMATE.start_main_~x~4 15)), 60936#(and (<= ULTIMATE.start_main_~x~4 16) (<= 16 ULTIMATE.start_main_~x~4)), 60937#(and (<= ULTIMATE.start_main_~x~4 17) (<= 17 ULTIMATE.start_main_~x~4)), 60938#(and (<= 18 ULTIMATE.start_main_~x~4) (<= ULTIMATE.start_main_~x~4 18)), 60939#(and (<= 19 ULTIMATE.start_main_~x~4) (<= ULTIMATE.start_main_~x~4 19)), 60940#(and (<= 20 ULTIMATE.start_main_~x~4) (<= ULTIMATE.start_main_~x~4 20)), 60941#(and (<= ULTIMATE.start_main_~x~4 21) (<= 21 ULTIMATE.start_main_~x~4)), 60942#(and (<= ULTIMATE.start_main_~x~4 22) (<= 22 ULTIMATE.start_main_~x~4)), 60943#(and (<= ULTIMATE.start_main_~x~4 23) (<= 23 ULTIMATE.start_main_~x~4)), 60944#(and (<= ULTIMATE.start_main_~x~4 24) (<= 24 ULTIMATE.start_main_~x~4)), 60945#(and (<= ULTIMATE.start_main_~x~4 25) (<= 25 ULTIMATE.start_main_~x~4)), 60946#(and (<= ULTIMATE.start_main_~x~4 26) (<= 26 ULTIMATE.start_main_~x~4)), 60947#(and (<= ULTIMATE.start_main_~x~4 27) (<= 27 ULTIMATE.start_main_~x~4)), 60948#(and (<= ULTIMATE.start_main_~x~4 28) (<= 28 ULTIMATE.start_main_~x~4)), 60949#(and (<= 29 ULTIMATE.start_main_~x~4) (<= ULTIMATE.start_main_~x~4 29)), 60950#(and (<= ULTIMATE.start_main_~x~4 30) (<= 30 ULTIMATE.start_main_~x~4)), 60951#(and (<= ULTIMATE.start_main_~x~4 31) (<= 31 ULTIMATE.start_main_~x~4)), 60952#(and (<= ULTIMATE.start_main_~x~4 32) (<= 32 ULTIMATE.start_main_~x~4)), 60953#(and (<= ULTIMATE.start_main_~x~4 33) (<= 33 ULTIMATE.start_main_~x~4)), 60954#(and (<= 34 ULTIMATE.start_main_~x~4) (<= ULTIMATE.start_main_~x~4 34)), 60955#(and (<= ULTIMATE.start_main_~x~4 35) (<= 35 ULTIMATE.start_main_~x~4)), 60956#(and (<= 36 ULTIMATE.start_main_~x~4) (<= ULTIMATE.start_main_~x~4 36)), 60957#(and (<= ULTIMATE.start_main_~x~4 37) (<= 37 ULTIMATE.start_main_~x~4)), 60958#(and (<= 38 ULTIMATE.start_main_~x~4) (<= ULTIMATE.start_main_~x~4 38)), 60959#(and (<= ULTIMATE.start_main_~x~4 39) (<= 39 ULTIMATE.start_main_~x~4)), 60960#(and (<= ULTIMATE.start_main_~x~4 40) (<= 40 ULTIMATE.start_main_~x~4)), 60961#(and (<= ULTIMATE.start_main_~x~4 41) (<= 41 ULTIMATE.start_main_~x~4)), 60962#(and (<= ULTIMATE.start_main_~x~4 42) (<= 42 ULTIMATE.start_main_~x~4)), 60963#(and (<= ULTIMATE.start_main_~x~4 43) (<= 43 ULTIMATE.start_main_~x~4)), 60964#(and (<= 44 ULTIMATE.start_main_~x~4) (<= ULTIMATE.start_main_~x~4 44)), 60965#(and (<= 45 ULTIMATE.start_main_~x~4) (<= ULTIMATE.start_main_~x~4 45)), 60966#(and (<= ULTIMATE.start_main_~x~4 46) (<= 46 ULTIMATE.start_main_~x~4)), 60967#(and (<= 47 ULTIMATE.start_main_~x~4) (<= ULTIMATE.start_main_~x~4 47)), 60968#(and (<= 48 ULTIMATE.start_main_~x~4) (<= ULTIMATE.start_main_~x~4 48)), 60969#(and (<= 49 ULTIMATE.start_main_~x~4) (<= ULTIMATE.start_main_~x~4 49)), 60970#(and (<= ULTIMATE.start_main_~x~4 50) (<= 50 ULTIMATE.start_main_~x~4)), 60971#(and (<= 51 ULTIMATE.start_main_~x~4) (<= ULTIMATE.start_main_~x~4 51)), 60972#(and (<= ULTIMATE.start_main_~x~4 52) (<= 52 ULTIMATE.start_main_~x~4)), 60973#(and (<= 53 ULTIMATE.start_main_~x~4) (<= ULTIMATE.start_main_~x~4 53)), 60974#(and (<= ULTIMATE.start_main_~x~4 54) (<= 54 ULTIMATE.start_main_~x~4)), 60975#(and (<= 55 ULTIMATE.start_main_~x~4) (<= ULTIMATE.start_main_~x~4 55)), 60976#(and (<= 56 ULTIMATE.start_main_~x~4) (<= ULTIMATE.start_main_~x~4 56)), 60977#(and (<= 57 ULTIMATE.start_main_~x~4) (<= ULTIMATE.start_main_~x~4 57)), 60978#(and (<= 58 ULTIMATE.start_main_~x~4) (<= ULTIMATE.start_main_~x~4 58)), 60979#(and (<= ULTIMATE.start_main_~x~4 59) (<= 59 ULTIMATE.start_main_~x~4)), 60980#(and (<= 60 ULTIMATE.start_main_~x~4) (<= ULTIMATE.start_main_~x~4 60)), 60981#(and (<= 61 ULTIMATE.start_main_~x~4) (<= ULTIMATE.start_main_~x~4 61)), 60982#(and (<= ULTIMATE.start_main_~x~4 62) (<= 62 ULTIMATE.start_main_~x~4)), 60983#(and (<= 63 ULTIMATE.start_main_~x~4) (<= ULTIMATE.start_main_~x~4 63)), 60984#(and (<= ULTIMATE.start_main_~x~4 64) (<= 64 ULTIMATE.start_main_~x~4)), 60985#(and (<= 65 ULTIMATE.start_main_~x~4) (<= ULTIMATE.start_main_~x~4 65)), 60986#(and (<= 66 ULTIMATE.start_main_~x~4) (<= ULTIMATE.start_main_~x~4 66)), 60987#(and (<= 67 ULTIMATE.start_main_~x~4) (<= ULTIMATE.start_main_~x~4 67)), 60988#(and (<= ULTIMATE.start_main_~x~4 68) (<= 68 ULTIMATE.start_main_~x~4)), 60989#(and (<= 69 ULTIMATE.start_main_~x~4) (<= ULTIMATE.start_main_~x~4 69)), 60990#(and (<= ULTIMATE.start_main_~x~4 70) (<= 70 ULTIMATE.start_main_~x~4)), 60991#(and (<= 71 ULTIMATE.start_main_~x~4) (<= ULTIMATE.start_main_~x~4 71)), 60992#(and (<= 72 ULTIMATE.start_main_~x~4) (<= ULTIMATE.start_main_~x~4 72)), 60993#(and (<= ULTIMATE.start_main_~x~4 73) (<= 73 ULTIMATE.start_main_~x~4)), 60994#(and (<= 74 ULTIMATE.start_main_~x~4) (<= ULTIMATE.start_main_~x~4 74)), 60995#(and (<= ULTIMATE.start_main_~x~4 75) (<= 75 ULTIMATE.start_main_~x~4)), 60996#(and (<= ULTIMATE.start_main_~x~4 76) (<= 76 ULTIMATE.start_main_~x~4)), 60997#(and (<= ULTIMATE.start_main_~x~4 77) (<= 77 ULTIMATE.start_main_~x~4)), 60998#(and (<= ULTIMATE.start_main_~x~4 78) (<= 78 ULTIMATE.start_main_~x~4)), 60999#(and (<= 79 ULTIMATE.start_main_~x~4) (<= ULTIMATE.start_main_~x~4 79)), 61000#(and (<= ULTIMATE.start_main_~x~4 80) (<= 80 ULTIMATE.start_main_~x~4)), 61001#(and (<= ULTIMATE.start_main_~x~4 81) (<= 81 ULTIMATE.start_main_~x~4)), 61002#(and (<= ULTIMATE.start_main_~x~4 82) (<= 82 ULTIMATE.start_main_~x~4)), 61003#(and (<= 83 ULTIMATE.start_main_~x~4) (<= ULTIMATE.start_main_~x~4 83)), 61004#(and (<= ULTIMATE.start_main_~x~4 84) (<= 84 ULTIMATE.start_main_~x~4)), 61005#(and (<= 85 ULTIMATE.start_main_~x~4) (<= ULTIMATE.start_main_~x~4 85)), 61006#(and (<= 86 ULTIMATE.start_main_~x~4) (<= ULTIMATE.start_main_~x~4 86)), 61007#(and (<= ULTIMATE.start_main_~x~4 87) (<= 87 ULTIMATE.start_main_~x~4)), 61008#(and (<= 88 ULTIMATE.start_main_~x~4) (<= ULTIMATE.start_main_~x~4 88)), 61009#(and (<= ULTIMATE.start_main_~x~4 89) (<= 89 ULTIMATE.start_main_~x~4)), 61010#(and (<= ULTIMATE.start_main_~x~4 90) (<= 90 ULTIMATE.start_main_~x~4)), 61011#(and (<= ULTIMATE.start_main_~x~4 91) (<= 91 ULTIMATE.start_main_~x~4)), 61012#(and (<= ULTIMATE.start_main_~x~4 92) (<= 92 ULTIMATE.start_main_~x~4)), 61013#(and (<= ULTIMATE.start_main_~x~4 93) (<= 93 ULTIMATE.start_main_~x~4)), 61014#(and (<= ULTIMATE.start_main_~x~4 94) (<= 94 ULTIMATE.start_main_~x~4)), 61015#(and (<= 95 ULTIMATE.start_main_~x~4) (<= ULTIMATE.start_main_~x~4 95)), 61016#(and (<= ULTIMATE.start_main_~x~4 96) (<= 96 ULTIMATE.start_main_~x~4)), 61017#(and (<= 97 ULTIMATE.start_main_~x~4) (<= ULTIMATE.start_main_~x~4 97)), 61018#(and (<= ULTIMATE.start_main_~x~4 98) (<= 98 ULTIMATE.start_main_~x~4)), 61019#(and (<= 99 ULTIMATE.start_main_~x~4) (<= ULTIMATE.start_main_~x~4 99)), 61020#(and (<= ULTIMATE.start_main_~x~4 100) (<= 100 ULTIMATE.start_main_~x~4)), 61021#(and (<= ULTIMATE.start_main_~x~4 101) (<= 101 ULTIMATE.start_main_~x~4)), 61022#(and (<= 102 ULTIMATE.start_main_~x~4) (<= ULTIMATE.start_main_~x~4 102)), 61023#(and (<= 103 ULTIMATE.start_main_~x~4) (<= ULTIMATE.start_main_~x~4 103)), 61024#(and (<= ULTIMATE.start_main_~x~4 104) (<= 104 ULTIMATE.start_main_~x~4)), 61025#(and (<= 105 ULTIMATE.start_main_~x~4) (<= ULTIMATE.start_main_~x~4 105)), 61026#(and (<= 106 ULTIMATE.start_main_~x~4) (<= ULTIMATE.start_main_~x~4 106)), 61027#(and (<= 107 ULTIMATE.start_main_~x~4) (<= ULTIMATE.start_main_~x~4 107)), 61028#(and (<= 108 ULTIMATE.start_main_~x~4) (<= ULTIMATE.start_main_~x~4 108)), 61029#(and (<= ULTIMATE.start_main_~x~4 109) (<= 109 ULTIMATE.start_main_~x~4)), 61030#(and (<= 110 ULTIMATE.start_main_~x~4) (<= ULTIMATE.start_main_~x~4 110)), 61031#(and (<= ULTIMATE.start_main_~x~4 111) (<= 111 ULTIMATE.start_main_~x~4)), 61032#(and (<= ULTIMATE.start_main_~x~4 112) (<= 112 ULTIMATE.start_main_~x~4)), 61033#(and (<= 113 ULTIMATE.start_main_~x~4) (<= ULTIMATE.start_main_~x~4 113)), 60918#true, 60919#false, 60920#(and (<= ULTIMATE.start_main_~x~4 0) (<= 0 ULTIMATE.start_main_~x~4)), 60921#(and (<= ULTIMATE.start_main_~x~4 1) (<= 1 ULTIMATE.start_main_~x~4)), 60922#(and (<= 2 ULTIMATE.start_main_~x~4) (<= ULTIMATE.start_main_~x~4 2)), 60923#(and (<= 3 ULTIMATE.start_main_~x~4) (<= ULTIMATE.start_main_~x~4 3)), 60924#(and (<= ULTIMATE.start_main_~x~4 4) (<= 4 ULTIMATE.start_main_~x~4)), 60925#(and (<= ULTIMATE.start_main_~x~4 5) (<= 5 ULTIMATE.start_main_~x~4)), 60926#(and (<= 6 ULTIMATE.start_main_~x~4) (<= ULTIMATE.start_main_~x~4 6)), 60927#(and (<= ULTIMATE.start_main_~x~4 7) (<= 7 ULTIMATE.start_main_~x~4))] [2018-07-23 13:51:11,696 INFO L134 CoverageAnalysis]: Checked inductivity of 12882 backedges. 0 proven. 12882 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-07-23 13:51:11,696 INFO L450 AbstractCegarLoop]: Interpolant automaton has 116 states [2018-07-23 13:51:11,697 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 116 interpolants. [2018-07-23 13:51:11,697 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=229, Invalid=13111, Unknown=0, NotChecked=0, Total=13340 [2018-07-23 13:51:11,698 INFO L87 Difference]: Start difference. First operand 231 states and 231 transitions. Second operand 116 states. [2018-07-23 13:51:12,637 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-07-23 13:51:12,637 INFO L93 Difference]: Finished difference Result 235 states and 235 transitions. [2018-07-23 13:51:12,637 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 116 states. [2018-07-23 13:51:12,638 INFO L78 Accepts]: Start accepts. Automaton has 116 states. Word has length 230 [2018-07-23 13:51:12,638 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-07-23 13:51:12,638 INFO L225 Difference]: With dead ends: 235 [2018-07-23 13:51:12,638 INFO L226 Difference]: Without dead ends: 233 [2018-07-23 13:51:12,640 INFO L575 BasicCegarLoop]: 0 DeclaredPredicates, 115 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 114 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.5s TimeCoverageRelationStatistics Valid=229, Invalid=13111, Unknown=0, NotChecked=0, Total=13340 [2018-07-23 13:51:12,640 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 233 states. [2018-07-23 13:51:12,647 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 233 to 233. [2018-07-23 13:51:12,647 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 233 states. [2018-07-23 13:51:12,647 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 233 states to 233 states and 233 transitions. [2018-07-23 13:51:12,647 INFO L78 Accepts]: Start accepts. Automaton has 233 states and 233 transitions. Word has length 230 [2018-07-23 13:51:12,647 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-07-23 13:51:12,647 INFO L471 AbstractCegarLoop]: Abstraction has 233 states and 233 transitions. [2018-07-23 13:51:12,647 INFO L472 AbstractCegarLoop]: Interpolant automaton has 116 states. [2018-07-23 13:51:12,648 INFO L276 IsEmpty]: Start isEmpty. Operand 233 states and 233 transitions. [2018-07-23 13:51:12,648 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 233 [2018-07-23 13:51:12,649 INFO L349 BasicCegarLoop]: Found error trace [2018-07-23 13:51:12,649 INFO L357 BasicCegarLoop]: trace histogram [115, 114, 1, 1, 1] [2018-07-23 13:51:12,649 INFO L414 AbstractCegarLoop]: === Iteration 115 === [ULTIMATE.startErr0AssertViolationASSERT]=== [2018-07-23 13:51:12,649 INFO L82 PathProgramCache]: Analyzing trace with hash 1435337243, now seen corresponding path program 114 times [2018-07-23 13:51:12,649 INFO L69 tionRefinementEngine]: Using refinement strategy FixedRefinementStrategy [2018-07-23 13:51:12,798 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-07-23 13:51:13,496 INFO L134 CoverageAnalysis]: Checked inductivity of 13110 backedges. 0 proven. 13110 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-07-23 13:51:13,496 INFO L309 seRefinementStrategy]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2018-07-23 13:51:13,496 INFO L324 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [116] total 116 [2018-07-23 13:51:13,496 INFO L142 lantAutomatonBuilder]: Constructing canonical interpolant automaton, with selfloop in false state [2018-07-23 13:51:13,497 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-07-23 13:51:13,497 INFO L185 omatonBuilderFactory]: Interpolants [61970#true, 61971#false, 61972#(and (<= ULTIMATE.start_main_~x~4 0) (<= 0 ULTIMATE.start_main_~x~4)), 61973#(and (<= ULTIMATE.start_main_~x~4 1) (<= 1 ULTIMATE.start_main_~x~4)), 61974#(and (<= 2 ULTIMATE.start_main_~x~4) (<= ULTIMATE.start_main_~x~4 2)), 61975#(and (<= 3 ULTIMATE.start_main_~x~4) (<= ULTIMATE.start_main_~x~4 3)), 61976#(and (<= ULTIMATE.start_main_~x~4 4) (<= 4 ULTIMATE.start_main_~x~4)), 61977#(and (<= ULTIMATE.start_main_~x~4 5) (<= 5 ULTIMATE.start_main_~x~4)), 61978#(and (<= 6 ULTIMATE.start_main_~x~4) (<= ULTIMATE.start_main_~x~4 6)), 61979#(and (<= ULTIMATE.start_main_~x~4 7) (<= 7 ULTIMATE.start_main_~x~4)), 61980#(and (<= ULTIMATE.start_main_~x~4 8) (<= 8 ULTIMATE.start_main_~x~4)), 61981#(and (<= 9 ULTIMATE.start_main_~x~4) (<= ULTIMATE.start_main_~x~4 9)), 61982#(and (<= ULTIMATE.start_main_~x~4 10) (<= 10 ULTIMATE.start_main_~x~4)), 61983#(and (<= ULTIMATE.start_main_~x~4 11) (<= 11 ULTIMATE.start_main_~x~4)), 61984#(and (<= 12 ULTIMATE.start_main_~x~4) (<= ULTIMATE.start_main_~x~4 12)), 61985#(and (<= ULTIMATE.start_main_~x~4 13) (<= 13 ULTIMATE.start_main_~x~4)), 61986#(and (<= 14 ULTIMATE.start_main_~x~4) (<= ULTIMATE.start_main_~x~4 14)), 61987#(and (<= 15 ULTIMATE.start_main_~x~4) (<= ULTIMATE.start_main_~x~4 15)), 61988#(and (<= ULTIMATE.start_main_~x~4 16) (<= 16 ULTIMATE.start_main_~x~4)), 61989#(and (<= ULTIMATE.start_main_~x~4 17) (<= 17 ULTIMATE.start_main_~x~4)), 61990#(and (<= 18 ULTIMATE.start_main_~x~4) (<= ULTIMATE.start_main_~x~4 18)), 61991#(and (<= 19 ULTIMATE.start_main_~x~4) (<= ULTIMATE.start_main_~x~4 19)), 61992#(and (<= 20 ULTIMATE.start_main_~x~4) (<= ULTIMATE.start_main_~x~4 20)), 61993#(and (<= ULTIMATE.start_main_~x~4 21) (<= 21 ULTIMATE.start_main_~x~4)), 61994#(and (<= ULTIMATE.start_main_~x~4 22) (<= 22 ULTIMATE.start_main_~x~4)), 61995#(and (<= ULTIMATE.start_main_~x~4 23) (<= 23 ULTIMATE.start_main_~x~4)), 61996#(and (<= ULTIMATE.start_main_~x~4 24) (<= 24 ULTIMATE.start_main_~x~4)), 61997#(and (<= ULTIMATE.start_main_~x~4 25) (<= 25 ULTIMATE.start_main_~x~4)), 61998#(and (<= ULTIMATE.start_main_~x~4 26) (<= 26 ULTIMATE.start_main_~x~4)), 61999#(and (<= ULTIMATE.start_main_~x~4 27) (<= 27 ULTIMATE.start_main_~x~4)), 62000#(and (<= ULTIMATE.start_main_~x~4 28) (<= 28 ULTIMATE.start_main_~x~4)), 62001#(and (<= 29 ULTIMATE.start_main_~x~4) (<= ULTIMATE.start_main_~x~4 29)), 62002#(and (<= ULTIMATE.start_main_~x~4 30) (<= 30 ULTIMATE.start_main_~x~4)), 62003#(and (<= ULTIMATE.start_main_~x~4 31) (<= 31 ULTIMATE.start_main_~x~4)), 62004#(and (<= ULTIMATE.start_main_~x~4 32) (<= 32 ULTIMATE.start_main_~x~4)), 62005#(and (<= ULTIMATE.start_main_~x~4 33) (<= 33 ULTIMATE.start_main_~x~4)), 62006#(and (<= 34 ULTIMATE.start_main_~x~4) (<= ULTIMATE.start_main_~x~4 34)), 62007#(and (<= ULTIMATE.start_main_~x~4 35) (<= 35 ULTIMATE.start_main_~x~4)), 62008#(and (<= 36 ULTIMATE.start_main_~x~4) (<= ULTIMATE.start_main_~x~4 36)), 62009#(and (<= ULTIMATE.start_main_~x~4 37) (<= 37 ULTIMATE.start_main_~x~4)), 62010#(and (<= 38 ULTIMATE.start_main_~x~4) (<= ULTIMATE.start_main_~x~4 38)), 62011#(and (<= ULTIMATE.start_main_~x~4 39) (<= 39 ULTIMATE.start_main_~x~4)), 62012#(and (<= ULTIMATE.start_main_~x~4 40) (<= 40 ULTIMATE.start_main_~x~4)), 62013#(and (<= ULTIMATE.start_main_~x~4 41) (<= 41 ULTIMATE.start_main_~x~4)), 62014#(and (<= ULTIMATE.start_main_~x~4 42) (<= 42 ULTIMATE.start_main_~x~4)), 62015#(and (<= ULTIMATE.start_main_~x~4 43) (<= 43 ULTIMATE.start_main_~x~4)), 62016#(and (<= 44 ULTIMATE.start_main_~x~4) (<= ULTIMATE.start_main_~x~4 44)), 62017#(and (<= 45 ULTIMATE.start_main_~x~4) (<= ULTIMATE.start_main_~x~4 45)), 62018#(and (<= ULTIMATE.start_main_~x~4 46) (<= 46 ULTIMATE.start_main_~x~4)), 62019#(and (<= 47 ULTIMATE.start_main_~x~4) (<= ULTIMATE.start_main_~x~4 47)), 62020#(and (<= 48 ULTIMATE.start_main_~x~4) (<= ULTIMATE.start_main_~x~4 48)), 62021#(and (<= 49 ULTIMATE.start_main_~x~4) (<= ULTIMATE.start_main_~x~4 49)), 62022#(and (<= ULTIMATE.start_main_~x~4 50) (<= 50 ULTIMATE.start_main_~x~4)), 62023#(and (<= 51 ULTIMATE.start_main_~x~4) (<= ULTIMATE.start_main_~x~4 51)), 62024#(and (<= ULTIMATE.start_main_~x~4 52) (<= 52 ULTIMATE.start_main_~x~4)), 62025#(and (<= 53 ULTIMATE.start_main_~x~4) (<= ULTIMATE.start_main_~x~4 53)), 62026#(and (<= ULTIMATE.start_main_~x~4 54) (<= 54 ULTIMATE.start_main_~x~4)), 62027#(and (<= 55 ULTIMATE.start_main_~x~4) (<= ULTIMATE.start_main_~x~4 55)), 62028#(and (<= 56 ULTIMATE.start_main_~x~4) (<= ULTIMATE.start_main_~x~4 56)), 62029#(and (<= 57 ULTIMATE.start_main_~x~4) (<= ULTIMATE.start_main_~x~4 57)), 62030#(and (<= 58 ULTIMATE.start_main_~x~4) (<= ULTIMATE.start_main_~x~4 58)), 62031#(and (<= ULTIMATE.start_main_~x~4 59) (<= 59 ULTIMATE.start_main_~x~4)), 62032#(and (<= 60 ULTIMATE.start_main_~x~4) (<= ULTIMATE.start_main_~x~4 60)), 62033#(and (<= 61 ULTIMATE.start_main_~x~4) (<= ULTIMATE.start_main_~x~4 61)), 62034#(and (<= ULTIMATE.start_main_~x~4 62) (<= 62 ULTIMATE.start_main_~x~4)), 62035#(and (<= 63 ULTIMATE.start_main_~x~4) (<= ULTIMATE.start_main_~x~4 63)), 62036#(and (<= ULTIMATE.start_main_~x~4 64) (<= 64 ULTIMATE.start_main_~x~4)), 62037#(and (<= 65 ULTIMATE.start_main_~x~4) (<= ULTIMATE.start_main_~x~4 65)), 62038#(and (<= 66 ULTIMATE.start_main_~x~4) (<= ULTIMATE.start_main_~x~4 66)), 62039#(and (<= 67 ULTIMATE.start_main_~x~4) (<= ULTIMATE.start_main_~x~4 67)), 62040#(and (<= ULTIMATE.start_main_~x~4 68) (<= 68 ULTIMATE.start_main_~x~4)), 62041#(and (<= 69 ULTIMATE.start_main_~x~4) (<= ULTIMATE.start_main_~x~4 69)), 62042#(and (<= ULTIMATE.start_main_~x~4 70) (<= 70 ULTIMATE.start_main_~x~4)), 62043#(and (<= 71 ULTIMATE.start_main_~x~4) (<= ULTIMATE.start_main_~x~4 71)), 62044#(and (<= 72 ULTIMATE.start_main_~x~4) (<= ULTIMATE.start_main_~x~4 72)), 62045#(and (<= ULTIMATE.start_main_~x~4 73) (<= 73 ULTIMATE.start_main_~x~4)), 62046#(and (<= 74 ULTIMATE.start_main_~x~4) (<= ULTIMATE.start_main_~x~4 74)), 62047#(and (<= ULTIMATE.start_main_~x~4 75) (<= 75 ULTIMATE.start_main_~x~4)), 62048#(and (<= ULTIMATE.start_main_~x~4 76) (<= 76 ULTIMATE.start_main_~x~4)), 62049#(and (<= ULTIMATE.start_main_~x~4 77) (<= 77 ULTIMATE.start_main_~x~4)), 62050#(and (<= ULTIMATE.start_main_~x~4 78) (<= 78 ULTIMATE.start_main_~x~4)), 62051#(and (<= 79 ULTIMATE.start_main_~x~4) (<= ULTIMATE.start_main_~x~4 79)), 62052#(and (<= ULTIMATE.start_main_~x~4 80) (<= 80 ULTIMATE.start_main_~x~4)), 62053#(and (<= ULTIMATE.start_main_~x~4 81) (<= 81 ULTIMATE.start_main_~x~4)), 62054#(and (<= ULTIMATE.start_main_~x~4 82) (<= 82 ULTIMATE.start_main_~x~4)), 62055#(and (<= 83 ULTIMATE.start_main_~x~4) (<= ULTIMATE.start_main_~x~4 83)), 62056#(and (<= ULTIMATE.start_main_~x~4 84) (<= 84 ULTIMATE.start_main_~x~4)), 62057#(and (<= 85 ULTIMATE.start_main_~x~4) (<= ULTIMATE.start_main_~x~4 85)), 62058#(and (<= 86 ULTIMATE.start_main_~x~4) (<= ULTIMATE.start_main_~x~4 86)), 62059#(and (<= ULTIMATE.start_main_~x~4 87) (<= 87 ULTIMATE.start_main_~x~4)), 62060#(and (<= 88 ULTIMATE.start_main_~x~4) (<= ULTIMATE.start_main_~x~4 88)), 62061#(and (<= ULTIMATE.start_main_~x~4 89) (<= 89 ULTIMATE.start_main_~x~4)), 62062#(and (<= ULTIMATE.start_main_~x~4 90) (<= 90 ULTIMATE.start_main_~x~4)), 62063#(and (<= ULTIMATE.start_main_~x~4 91) (<= 91 ULTIMATE.start_main_~x~4)), 62064#(and (<= ULTIMATE.start_main_~x~4 92) (<= 92 ULTIMATE.start_main_~x~4)), 62065#(and (<= ULTIMATE.start_main_~x~4 93) (<= 93 ULTIMATE.start_main_~x~4)), 62066#(and (<= ULTIMATE.start_main_~x~4 94) (<= 94 ULTIMATE.start_main_~x~4)), 62067#(and (<= 95 ULTIMATE.start_main_~x~4) (<= ULTIMATE.start_main_~x~4 95)), 62068#(and (<= ULTIMATE.start_main_~x~4 96) (<= 96 ULTIMATE.start_main_~x~4)), 62069#(and (<= 97 ULTIMATE.start_main_~x~4) (<= ULTIMATE.start_main_~x~4 97)), 62070#(and (<= ULTIMATE.start_main_~x~4 98) (<= 98 ULTIMATE.start_main_~x~4)), 62071#(and (<= 99 ULTIMATE.start_main_~x~4) (<= ULTIMATE.start_main_~x~4 99)), 62072#(and (<= ULTIMATE.start_main_~x~4 100) (<= 100 ULTIMATE.start_main_~x~4)), 62073#(and (<= ULTIMATE.start_main_~x~4 101) (<= 101 ULTIMATE.start_main_~x~4)), 62074#(and (<= 102 ULTIMATE.start_main_~x~4) (<= ULTIMATE.start_main_~x~4 102)), 62075#(and (<= 103 ULTIMATE.start_main_~x~4) (<= ULTIMATE.start_main_~x~4 103)), 62076#(and (<= ULTIMATE.start_main_~x~4 104) (<= 104 ULTIMATE.start_main_~x~4)), 62077#(and (<= 105 ULTIMATE.start_main_~x~4) (<= ULTIMATE.start_main_~x~4 105)), 62078#(and (<= 106 ULTIMATE.start_main_~x~4) (<= ULTIMATE.start_main_~x~4 106)), 62079#(and (<= 107 ULTIMATE.start_main_~x~4) (<= ULTIMATE.start_main_~x~4 107)), 62080#(and (<= 108 ULTIMATE.start_main_~x~4) (<= ULTIMATE.start_main_~x~4 108)), 62081#(and (<= ULTIMATE.start_main_~x~4 109) (<= 109 ULTIMATE.start_main_~x~4)), 62082#(and (<= 110 ULTIMATE.start_main_~x~4) (<= ULTIMATE.start_main_~x~4 110)), 62083#(and (<= ULTIMATE.start_main_~x~4 111) (<= 111 ULTIMATE.start_main_~x~4)), 62084#(and (<= ULTIMATE.start_main_~x~4 112) (<= 112 ULTIMATE.start_main_~x~4)), 62085#(and (<= 113 ULTIMATE.start_main_~x~4) (<= ULTIMATE.start_main_~x~4 113)), 62086#(and (<= ULTIMATE.start_main_~x~4 114) (<= 114 ULTIMATE.start_main_~x~4))] [2018-07-23 13:51:13,498 INFO L134 CoverageAnalysis]: Checked inductivity of 13110 backedges. 0 proven. 13110 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-07-23 13:51:13,498 INFO L450 AbstractCegarLoop]: Interpolant automaton has 117 states [2018-07-23 13:51:13,499 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 117 interpolants. [2018-07-23 13:51:13,499 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=231, Invalid=13341, Unknown=0, NotChecked=0, Total=13572 [2018-07-23 13:51:13,500 INFO L87 Difference]: Start difference. First operand 233 states and 233 transitions. Second operand 117 states. [2018-07-23 13:51:14,475 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-07-23 13:51:14,476 INFO L93 Difference]: Finished difference Result 237 states and 237 transitions. [2018-07-23 13:51:14,476 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 117 states. [2018-07-23 13:51:14,476 INFO L78 Accepts]: Start accepts. Automaton has 117 states. Word has length 232 [2018-07-23 13:51:14,477 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-07-23 13:51:14,477 INFO L225 Difference]: With dead ends: 237 [2018-07-23 13:51:14,477 INFO L226 Difference]: Without dead ends: 235 [2018-07-23 13:51:14,478 INFO L575 BasicCegarLoop]: 0 DeclaredPredicates, 116 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 115 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.5s TimeCoverageRelationStatistics Valid=231, Invalid=13341, Unknown=0, NotChecked=0, Total=13572 [2018-07-23 13:51:14,478 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 235 states. [2018-07-23 13:51:14,484 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 235 to 235. [2018-07-23 13:51:14,484 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 235 states. [2018-07-23 13:51:14,485 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 235 states to 235 states and 235 transitions. [2018-07-23 13:51:14,485 INFO L78 Accepts]: Start accepts. Automaton has 235 states and 235 transitions. Word has length 232 [2018-07-23 13:51:14,485 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-07-23 13:51:14,485 INFO L471 AbstractCegarLoop]: Abstraction has 235 states and 235 transitions. [2018-07-23 13:51:14,485 INFO L472 AbstractCegarLoop]: Interpolant automaton has 117 states. [2018-07-23 13:51:14,485 INFO L276 IsEmpty]: Start isEmpty. Operand 235 states and 235 transitions. [2018-07-23 13:51:14,486 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 235 [2018-07-23 13:51:14,486 INFO L349 BasicCegarLoop]: Found error trace [2018-07-23 13:51:14,486 INFO L357 BasicCegarLoop]: trace histogram [116, 115, 1, 1, 1] [2018-07-23 13:51:14,486 INFO L414 AbstractCegarLoop]: === Iteration 116 === [ULTIMATE.startErr0AssertViolationASSERT]=== [2018-07-23 13:51:14,486 INFO L82 PathProgramCache]: Analyzing trace with hash 674640597, now seen corresponding path program 115 times [2018-07-23 13:51:14,487 INFO L69 tionRefinementEngine]: Using refinement strategy FixedRefinementStrategy [2018-07-23 13:51:14,646 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-07-23 13:51:15,366 INFO L134 CoverageAnalysis]: Checked inductivity of 13340 backedges. 0 proven. 13340 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-07-23 13:51:15,367 INFO L309 seRefinementStrategy]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2018-07-23 13:51:15,367 INFO L324 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [117] total 117 [2018-07-23 13:51:15,367 INFO L142 lantAutomatonBuilder]: Constructing canonical interpolant automaton, with selfloop in false state [2018-07-23 13:51:15,367 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-07-23 13:51:15,368 INFO L185 omatonBuilderFactory]: Interpolants [63031#true, 63032#false, 63033#(and (<= ULTIMATE.start_main_~x~4 0) (<= 0 ULTIMATE.start_main_~x~4)), 63034#(and (<= ULTIMATE.start_main_~x~4 1) (<= 1 ULTIMATE.start_main_~x~4)), 63035#(and (<= 2 ULTIMATE.start_main_~x~4) (<= ULTIMATE.start_main_~x~4 2)), 63036#(and (<= 3 ULTIMATE.start_main_~x~4) (<= ULTIMATE.start_main_~x~4 3)), 63037#(and (<= ULTIMATE.start_main_~x~4 4) (<= 4 ULTIMATE.start_main_~x~4)), 63038#(and (<= ULTIMATE.start_main_~x~4 5) (<= 5 ULTIMATE.start_main_~x~4)), 63039#(and (<= 6 ULTIMATE.start_main_~x~4) (<= ULTIMATE.start_main_~x~4 6)), 63040#(and (<= ULTIMATE.start_main_~x~4 7) (<= 7 ULTIMATE.start_main_~x~4)), 63041#(and (<= ULTIMATE.start_main_~x~4 8) (<= 8 ULTIMATE.start_main_~x~4)), 63042#(and (<= 9 ULTIMATE.start_main_~x~4) (<= ULTIMATE.start_main_~x~4 9)), 63043#(and (<= ULTIMATE.start_main_~x~4 10) (<= 10 ULTIMATE.start_main_~x~4)), 63044#(and (<= ULTIMATE.start_main_~x~4 11) (<= 11 ULTIMATE.start_main_~x~4)), 63045#(and (<= 12 ULTIMATE.start_main_~x~4) (<= ULTIMATE.start_main_~x~4 12)), 63046#(and (<= ULTIMATE.start_main_~x~4 13) (<= 13 ULTIMATE.start_main_~x~4)), 63047#(and (<= 14 ULTIMATE.start_main_~x~4) (<= ULTIMATE.start_main_~x~4 14)), 63048#(and (<= 15 ULTIMATE.start_main_~x~4) (<= ULTIMATE.start_main_~x~4 15)), 63049#(and (<= ULTIMATE.start_main_~x~4 16) (<= 16 ULTIMATE.start_main_~x~4)), 63050#(and (<= ULTIMATE.start_main_~x~4 17) (<= 17 ULTIMATE.start_main_~x~4)), 63051#(and (<= 18 ULTIMATE.start_main_~x~4) (<= ULTIMATE.start_main_~x~4 18)), 63052#(and (<= 19 ULTIMATE.start_main_~x~4) (<= ULTIMATE.start_main_~x~4 19)), 63053#(and (<= 20 ULTIMATE.start_main_~x~4) (<= ULTIMATE.start_main_~x~4 20)), 63054#(and (<= ULTIMATE.start_main_~x~4 21) (<= 21 ULTIMATE.start_main_~x~4)), 63055#(and (<= ULTIMATE.start_main_~x~4 22) (<= 22 ULTIMATE.start_main_~x~4)), 63056#(and (<= ULTIMATE.start_main_~x~4 23) (<= 23 ULTIMATE.start_main_~x~4)), 63057#(and (<= ULTIMATE.start_main_~x~4 24) (<= 24 ULTIMATE.start_main_~x~4)), 63058#(and (<= ULTIMATE.start_main_~x~4 25) (<= 25 ULTIMATE.start_main_~x~4)), 63059#(and (<= ULTIMATE.start_main_~x~4 26) (<= 26 ULTIMATE.start_main_~x~4)), 63060#(and (<= ULTIMATE.start_main_~x~4 27) (<= 27 ULTIMATE.start_main_~x~4)), 63061#(and (<= ULTIMATE.start_main_~x~4 28) (<= 28 ULTIMATE.start_main_~x~4)), 63062#(and (<= 29 ULTIMATE.start_main_~x~4) (<= ULTIMATE.start_main_~x~4 29)), 63063#(and (<= ULTIMATE.start_main_~x~4 30) (<= 30 ULTIMATE.start_main_~x~4)), 63064#(and (<= ULTIMATE.start_main_~x~4 31) (<= 31 ULTIMATE.start_main_~x~4)), 63065#(and (<= ULTIMATE.start_main_~x~4 32) (<= 32 ULTIMATE.start_main_~x~4)), 63066#(and (<= ULTIMATE.start_main_~x~4 33) (<= 33 ULTIMATE.start_main_~x~4)), 63067#(and (<= 34 ULTIMATE.start_main_~x~4) (<= ULTIMATE.start_main_~x~4 34)), 63068#(and (<= ULTIMATE.start_main_~x~4 35) (<= 35 ULTIMATE.start_main_~x~4)), 63069#(and (<= 36 ULTIMATE.start_main_~x~4) (<= ULTIMATE.start_main_~x~4 36)), 63070#(and (<= ULTIMATE.start_main_~x~4 37) (<= 37 ULTIMATE.start_main_~x~4)), 63071#(and (<= 38 ULTIMATE.start_main_~x~4) (<= ULTIMATE.start_main_~x~4 38)), 63072#(and (<= ULTIMATE.start_main_~x~4 39) (<= 39 ULTIMATE.start_main_~x~4)), 63073#(and (<= ULTIMATE.start_main_~x~4 40) (<= 40 ULTIMATE.start_main_~x~4)), 63074#(and (<= ULTIMATE.start_main_~x~4 41) (<= 41 ULTIMATE.start_main_~x~4)), 63075#(and (<= ULTIMATE.start_main_~x~4 42) (<= 42 ULTIMATE.start_main_~x~4)), 63076#(and (<= ULTIMATE.start_main_~x~4 43) (<= 43 ULTIMATE.start_main_~x~4)), 63077#(and (<= 44 ULTIMATE.start_main_~x~4) (<= ULTIMATE.start_main_~x~4 44)), 63078#(and (<= 45 ULTIMATE.start_main_~x~4) (<= ULTIMATE.start_main_~x~4 45)), 63079#(and (<= ULTIMATE.start_main_~x~4 46) (<= 46 ULTIMATE.start_main_~x~4)), 63080#(and (<= 47 ULTIMATE.start_main_~x~4) (<= ULTIMATE.start_main_~x~4 47)), 63081#(and (<= 48 ULTIMATE.start_main_~x~4) (<= ULTIMATE.start_main_~x~4 48)), 63082#(and (<= 49 ULTIMATE.start_main_~x~4) (<= ULTIMATE.start_main_~x~4 49)), 63083#(and (<= ULTIMATE.start_main_~x~4 50) (<= 50 ULTIMATE.start_main_~x~4)), 63084#(and (<= 51 ULTIMATE.start_main_~x~4) (<= ULTIMATE.start_main_~x~4 51)), 63085#(and (<= ULTIMATE.start_main_~x~4 52) (<= 52 ULTIMATE.start_main_~x~4)), 63086#(and (<= 53 ULTIMATE.start_main_~x~4) (<= ULTIMATE.start_main_~x~4 53)), 63087#(and (<= ULTIMATE.start_main_~x~4 54) (<= 54 ULTIMATE.start_main_~x~4)), 63088#(and (<= 55 ULTIMATE.start_main_~x~4) (<= ULTIMATE.start_main_~x~4 55)), 63089#(and (<= 56 ULTIMATE.start_main_~x~4) (<= ULTIMATE.start_main_~x~4 56)), 63090#(and (<= 57 ULTIMATE.start_main_~x~4) (<= ULTIMATE.start_main_~x~4 57)), 63091#(and (<= 58 ULTIMATE.start_main_~x~4) (<= ULTIMATE.start_main_~x~4 58)), 63092#(and (<= ULTIMATE.start_main_~x~4 59) (<= 59 ULTIMATE.start_main_~x~4)), 63093#(and (<= 60 ULTIMATE.start_main_~x~4) (<= ULTIMATE.start_main_~x~4 60)), 63094#(and (<= 61 ULTIMATE.start_main_~x~4) (<= ULTIMATE.start_main_~x~4 61)), 63095#(and (<= ULTIMATE.start_main_~x~4 62) (<= 62 ULTIMATE.start_main_~x~4)), 63096#(and (<= 63 ULTIMATE.start_main_~x~4) (<= ULTIMATE.start_main_~x~4 63)), 63097#(and (<= ULTIMATE.start_main_~x~4 64) (<= 64 ULTIMATE.start_main_~x~4)), 63098#(and (<= 65 ULTIMATE.start_main_~x~4) (<= ULTIMATE.start_main_~x~4 65)), 63099#(and (<= 66 ULTIMATE.start_main_~x~4) (<= ULTIMATE.start_main_~x~4 66)), 63100#(and (<= 67 ULTIMATE.start_main_~x~4) (<= ULTIMATE.start_main_~x~4 67)), 63101#(and (<= ULTIMATE.start_main_~x~4 68) (<= 68 ULTIMATE.start_main_~x~4)), 63102#(and (<= 69 ULTIMATE.start_main_~x~4) (<= ULTIMATE.start_main_~x~4 69)), 63103#(and (<= ULTIMATE.start_main_~x~4 70) (<= 70 ULTIMATE.start_main_~x~4)), 63104#(and (<= 71 ULTIMATE.start_main_~x~4) (<= ULTIMATE.start_main_~x~4 71)), 63105#(and (<= 72 ULTIMATE.start_main_~x~4) (<= ULTIMATE.start_main_~x~4 72)), 63106#(and (<= ULTIMATE.start_main_~x~4 73) (<= 73 ULTIMATE.start_main_~x~4)), 63107#(and (<= 74 ULTIMATE.start_main_~x~4) (<= ULTIMATE.start_main_~x~4 74)), 63108#(and (<= ULTIMATE.start_main_~x~4 75) (<= 75 ULTIMATE.start_main_~x~4)), 63109#(and (<= ULTIMATE.start_main_~x~4 76) (<= 76 ULTIMATE.start_main_~x~4)), 63110#(and (<= ULTIMATE.start_main_~x~4 77) (<= 77 ULTIMATE.start_main_~x~4)), 63111#(and (<= ULTIMATE.start_main_~x~4 78) (<= 78 ULTIMATE.start_main_~x~4)), 63112#(and (<= 79 ULTIMATE.start_main_~x~4) (<= ULTIMATE.start_main_~x~4 79)), 63113#(and (<= ULTIMATE.start_main_~x~4 80) (<= 80 ULTIMATE.start_main_~x~4)), 63114#(and (<= ULTIMATE.start_main_~x~4 81) (<= 81 ULTIMATE.start_main_~x~4)), 63115#(and (<= ULTIMATE.start_main_~x~4 82) (<= 82 ULTIMATE.start_main_~x~4)), 63116#(and (<= 83 ULTIMATE.start_main_~x~4) (<= ULTIMATE.start_main_~x~4 83)), 63117#(and (<= ULTIMATE.start_main_~x~4 84) (<= 84 ULTIMATE.start_main_~x~4)), 63118#(and (<= 85 ULTIMATE.start_main_~x~4) (<= ULTIMATE.start_main_~x~4 85)), 63119#(and (<= 86 ULTIMATE.start_main_~x~4) (<= ULTIMATE.start_main_~x~4 86)), 63120#(and (<= ULTIMATE.start_main_~x~4 87) (<= 87 ULTIMATE.start_main_~x~4)), 63121#(and (<= 88 ULTIMATE.start_main_~x~4) (<= ULTIMATE.start_main_~x~4 88)), 63122#(and (<= ULTIMATE.start_main_~x~4 89) (<= 89 ULTIMATE.start_main_~x~4)), 63123#(and (<= ULTIMATE.start_main_~x~4 90) (<= 90 ULTIMATE.start_main_~x~4)), 63124#(and (<= ULTIMATE.start_main_~x~4 91) (<= 91 ULTIMATE.start_main_~x~4)), 63125#(and (<= ULTIMATE.start_main_~x~4 92) (<= 92 ULTIMATE.start_main_~x~4)), 63126#(and (<= ULTIMATE.start_main_~x~4 93) (<= 93 ULTIMATE.start_main_~x~4)), 63127#(and (<= ULTIMATE.start_main_~x~4 94) (<= 94 ULTIMATE.start_main_~x~4)), 63128#(and (<= 95 ULTIMATE.start_main_~x~4) (<= ULTIMATE.start_main_~x~4 95)), 63129#(and (<= ULTIMATE.start_main_~x~4 96) (<= 96 ULTIMATE.start_main_~x~4)), 63130#(and (<= 97 ULTIMATE.start_main_~x~4) (<= ULTIMATE.start_main_~x~4 97)), 63131#(and (<= ULTIMATE.start_main_~x~4 98) (<= 98 ULTIMATE.start_main_~x~4)), 63132#(and (<= 99 ULTIMATE.start_main_~x~4) (<= ULTIMATE.start_main_~x~4 99)), 63133#(and (<= ULTIMATE.start_main_~x~4 100) (<= 100 ULTIMATE.start_main_~x~4)), 63134#(and (<= ULTIMATE.start_main_~x~4 101) (<= 101 ULTIMATE.start_main_~x~4)), 63135#(and (<= 102 ULTIMATE.start_main_~x~4) (<= ULTIMATE.start_main_~x~4 102)), 63136#(and (<= 103 ULTIMATE.start_main_~x~4) (<= ULTIMATE.start_main_~x~4 103)), 63137#(and (<= ULTIMATE.start_main_~x~4 104) (<= 104 ULTIMATE.start_main_~x~4)), 63138#(and (<= 105 ULTIMATE.start_main_~x~4) (<= ULTIMATE.start_main_~x~4 105)), 63139#(and (<= 106 ULTIMATE.start_main_~x~4) (<= ULTIMATE.start_main_~x~4 106)), 63140#(and (<= 107 ULTIMATE.start_main_~x~4) (<= ULTIMATE.start_main_~x~4 107)), 63141#(and (<= 108 ULTIMATE.start_main_~x~4) (<= ULTIMATE.start_main_~x~4 108)), 63142#(and (<= ULTIMATE.start_main_~x~4 109) (<= 109 ULTIMATE.start_main_~x~4)), 63143#(and (<= 110 ULTIMATE.start_main_~x~4) (<= ULTIMATE.start_main_~x~4 110)), 63144#(and (<= ULTIMATE.start_main_~x~4 111) (<= 111 ULTIMATE.start_main_~x~4)), 63145#(and (<= ULTIMATE.start_main_~x~4 112) (<= 112 ULTIMATE.start_main_~x~4)), 63146#(and (<= 113 ULTIMATE.start_main_~x~4) (<= ULTIMATE.start_main_~x~4 113)), 63147#(and (<= ULTIMATE.start_main_~x~4 114) (<= 114 ULTIMATE.start_main_~x~4)), 63148#(and (<= ULTIMATE.start_main_~x~4 115) (<= 115 ULTIMATE.start_main_~x~4))] [2018-07-23 13:51:15,368 INFO L134 CoverageAnalysis]: Checked inductivity of 13340 backedges. 0 proven. 13340 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-07-23 13:51:15,368 INFO L450 AbstractCegarLoop]: Interpolant automaton has 118 states [2018-07-23 13:51:15,369 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 118 interpolants. [2018-07-23 13:51:15,369 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=233, Invalid=13573, Unknown=0, NotChecked=0, Total=13806 [2018-07-23 13:51:15,369 INFO L87 Difference]: Start difference. First operand 235 states and 235 transitions. Second operand 118 states. [2018-07-23 13:51:16,325 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-07-23 13:51:16,325 INFO L93 Difference]: Finished difference Result 239 states and 239 transitions. [2018-07-23 13:51:16,326 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 118 states. [2018-07-23 13:51:16,326 INFO L78 Accepts]: Start accepts. Automaton has 118 states. Word has length 234 [2018-07-23 13:51:16,326 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-07-23 13:51:16,326 INFO L225 Difference]: With dead ends: 239 [2018-07-23 13:51:16,327 INFO L226 Difference]: Without dead ends: 237 [2018-07-23 13:51:16,328 INFO L575 BasicCegarLoop]: 0 DeclaredPredicates, 117 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 116 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.5s TimeCoverageRelationStatistics Valid=233, Invalid=13573, Unknown=0, NotChecked=0, Total=13806 [2018-07-23 13:51:16,328 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 237 states. [2018-07-23 13:51:16,334 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 237 to 237. [2018-07-23 13:51:16,334 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 237 states. [2018-07-23 13:51:16,334 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 237 states to 237 states and 237 transitions. [2018-07-23 13:51:16,335 INFO L78 Accepts]: Start accepts. Automaton has 237 states and 237 transitions. Word has length 234 [2018-07-23 13:51:16,335 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-07-23 13:51:16,335 INFO L471 AbstractCegarLoop]: Abstraction has 237 states and 237 transitions. [2018-07-23 13:51:16,335 INFO L472 AbstractCegarLoop]: Interpolant automaton has 118 states. [2018-07-23 13:51:16,335 INFO L276 IsEmpty]: Start isEmpty. Operand 237 states and 237 transitions. [2018-07-23 13:51:16,336 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 237 [2018-07-23 13:51:16,336 INFO L349 BasicCegarLoop]: Found error trace [2018-07-23 13:51:16,336 INFO L357 BasicCegarLoop]: trace histogram [117, 116, 1, 1, 1] [2018-07-23 13:51:16,336 INFO L414 AbstractCegarLoop]: === Iteration 117 === [ULTIMATE.startErr0AssertViolationASSERT]=== [2018-07-23 13:51:16,336 INFO L82 PathProgramCache]: Analyzing trace with hash -210395889, now seen corresponding path program 116 times [2018-07-23 13:51:16,337 INFO L69 tionRefinementEngine]: Using refinement strategy FixedRefinementStrategy [2018-07-23 13:51:16,491 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-07-23 13:51:17,202 INFO L134 CoverageAnalysis]: Checked inductivity of 13572 backedges. 0 proven. 13572 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-07-23 13:51:17,202 INFO L309 seRefinementStrategy]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2018-07-23 13:51:17,202 INFO L324 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [118] total 118 [2018-07-23 13:51:17,203 INFO L142 lantAutomatonBuilder]: Constructing canonical interpolant automaton, with selfloop in false state [2018-07-23 13:51:17,203 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-07-23 13:51:17,203 INFO L185 omatonBuilderFactory]: Interpolants [64101#true, 64102#false, 64103#(and (<= ULTIMATE.start_main_~x~4 0) (<= 0 ULTIMATE.start_main_~x~4)), 64104#(and (<= ULTIMATE.start_main_~x~4 1) (<= 1 ULTIMATE.start_main_~x~4)), 64105#(and (<= 2 ULTIMATE.start_main_~x~4) (<= ULTIMATE.start_main_~x~4 2)), 64106#(and (<= 3 ULTIMATE.start_main_~x~4) (<= ULTIMATE.start_main_~x~4 3)), 64107#(and (<= ULTIMATE.start_main_~x~4 4) (<= 4 ULTIMATE.start_main_~x~4)), 64108#(and (<= ULTIMATE.start_main_~x~4 5) (<= 5 ULTIMATE.start_main_~x~4)), 64109#(and (<= 6 ULTIMATE.start_main_~x~4) (<= ULTIMATE.start_main_~x~4 6)), 64110#(and (<= ULTIMATE.start_main_~x~4 7) (<= 7 ULTIMATE.start_main_~x~4)), 64111#(and (<= ULTIMATE.start_main_~x~4 8) (<= 8 ULTIMATE.start_main_~x~4)), 64112#(and (<= 9 ULTIMATE.start_main_~x~4) (<= ULTIMATE.start_main_~x~4 9)), 64113#(and (<= ULTIMATE.start_main_~x~4 10) (<= 10 ULTIMATE.start_main_~x~4)), 64114#(and (<= ULTIMATE.start_main_~x~4 11) (<= 11 ULTIMATE.start_main_~x~4)), 64115#(and (<= 12 ULTIMATE.start_main_~x~4) (<= ULTIMATE.start_main_~x~4 12)), 64116#(and (<= ULTIMATE.start_main_~x~4 13) (<= 13 ULTIMATE.start_main_~x~4)), 64117#(and (<= 14 ULTIMATE.start_main_~x~4) (<= ULTIMATE.start_main_~x~4 14)), 64118#(and (<= 15 ULTIMATE.start_main_~x~4) (<= ULTIMATE.start_main_~x~4 15)), 64119#(and (<= ULTIMATE.start_main_~x~4 16) (<= 16 ULTIMATE.start_main_~x~4)), 64120#(and (<= ULTIMATE.start_main_~x~4 17) (<= 17 ULTIMATE.start_main_~x~4)), 64121#(and (<= 18 ULTIMATE.start_main_~x~4) (<= ULTIMATE.start_main_~x~4 18)), 64122#(and (<= 19 ULTIMATE.start_main_~x~4) (<= ULTIMATE.start_main_~x~4 19)), 64123#(and (<= 20 ULTIMATE.start_main_~x~4) (<= ULTIMATE.start_main_~x~4 20)), 64124#(and (<= ULTIMATE.start_main_~x~4 21) (<= 21 ULTIMATE.start_main_~x~4)), 64125#(and (<= ULTIMATE.start_main_~x~4 22) (<= 22 ULTIMATE.start_main_~x~4)), 64126#(and (<= ULTIMATE.start_main_~x~4 23) (<= 23 ULTIMATE.start_main_~x~4)), 64127#(and (<= ULTIMATE.start_main_~x~4 24) (<= 24 ULTIMATE.start_main_~x~4)), 64128#(and (<= ULTIMATE.start_main_~x~4 25) (<= 25 ULTIMATE.start_main_~x~4)), 64129#(and (<= ULTIMATE.start_main_~x~4 26) (<= 26 ULTIMATE.start_main_~x~4)), 64130#(and (<= ULTIMATE.start_main_~x~4 27) (<= 27 ULTIMATE.start_main_~x~4)), 64131#(and (<= ULTIMATE.start_main_~x~4 28) (<= 28 ULTIMATE.start_main_~x~4)), 64132#(and (<= 29 ULTIMATE.start_main_~x~4) (<= ULTIMATE.start_main_~x~4 29)), 64133#(and (<= ULTIMATE.start_main_~x~4 30) (<= 30 ULTIMATE.start_main_~x~4)), 64134#(and (<= ULTIMATE.start_main_~x~4 31) (<= 31 ULTIMATE.start_main_~x~4)), 64135#(and (<= ULTIMATE.start_main_~x~4 32) (<= 32 ULTIMATE.start_main_~x~4)), 64136#(and (<= ULTIMATE.start_main_~x~4 33) (<= 33 ULTIMATE.start_main_~x~4)), 64137#(and (<= 34 ULTIMATE.start_main_~x~4) (<= ULTIMATE.start_main_~x~4 34)), 64138#(and (<= ULTIMATE.start_main_~x~4 35) (<= 35 ULTIMATE.start_main_~x~4)), 64139#(and (<= 36 ULTIMATE.start_main_~x~4) (<= ULTIMATE.start_main_~x~4 36)), 64140#(and (<= ULTIMATE.start_main_~x~4 37) (<= 37 ULTIMATE.start_main_~x~4)), 64141#(and (<= 38 ULTIMATE.start_main_~x~4) (<= ULTIMATE.start_main_~x~4 38)), 64142#(and (<= ULTIMATE.start_main_~x~4 39) (<= 39 ULTIMATE.start_main_~x~4)), 64143#(and (<= ULTIMATE.start_main_~x~4 40) (<= 40 ULTIMATE.start_main_~x~4)), 64144#(and (<= ULTIMATE.start_main_~x~4 41) (<= 41 ULTIMATE.start_main_~x~4)), 64145#(and (<= ULTIMATE.start_main_~x~4 42) (<= 42 ULTIMATE.start_main_~x~4)), 64146#(and (<= ULTIMATE.start_main_~x~4 43) (<= 43 ULTIMATE.start_main_~x~4)), 64147#(and (<= 44 ULTIMATE.start_main_~x~4) (<= ULTIMATE.start_main_~x~4 44)), 64148#(and (<= 45 ULTIMATE.start_main_~x~4) (<= ULTIMATE.start_main_~x~4 45)), 64149#(and (<= ULTIMATE.start_main_~x~4 46) (<= 46 ULTIMATE.start_main_~x~4)), 64150#(and (<= 47 ULTIMATE.start_main_~x~4) (<= ULTIMATE.start_main_~x~4 47)), 64151#(and (<= 48 ULTIMATE.start_main_~x~4) (<= ULTIMATE.start_main_~x~4 48)), 64152#(and (<= 49 ULTIMATE.start_main_~x~4) (<= ULTIMATE.start_main_~x~4 49)), 64153#(and (<= ULTIMATE.start_main_~x~4 50) (<= 50 ULTIMATE.start_main_~x~4)), 64154#(and (<= 51 ULTIMATE.start_main_~x~4) (<= ULTIMATE.start_main_~x~4 51)), 64155#(and (<= ULTIMATE.start_main_~x~4 52) (<= 52 ULTIMATE.start_main_~x~4)), 64156#(and (<= 53 ULTIMATE.start_main_~x~4) (<= ULTIMATE.start_main_~x~4 53)), 64157#(and (<= ULTIMATE.start_main_~x~4 54) (<= 54 ULTIMATE.start_main_~x~4)), 64158#(and (<= 55 ULTIMATE.start_main_~x~4) (<= ULTIMATE.start_main_~x~4 55)), 64159#(and (<= 56 ULTIMATE.start_main_~x~4) (<= ULTIMATE.start_main_~x~4 56)), 64160#(and (<= 57 ULTIMATE.start_main_~x~4) (<= ULTIMATE.start_main_~x~4 57)), 64161#(and (<= 58 ULTIMATE.start_main_~x~4) (<= ULTIMATE.start_main_~x~4 58)), 64162#(and (<= ULTIMATE.start_main_~x~4 59) (<= 59 ULTIMATE.start_main_~x~4)), 64163#(and (<= 60 ULTIMATE.start_main_~x~4) (<= ULTIMATE.start_main_~x~4 60)), 64164#(and (<= 61 ULTIMATE.start_main_~x~4) (<= ULTIMATE.start_main_~x~4 61)), 64165#(and (<= ULTIMATE.start_main_~x~4 62) (<= 62 ULTIMATE.start_main_~x~4)), 64166#(and (<= 63 ULTIMATE.start_main_~x~4) (<= ULTIMATE.start_main_~x~4 63)), 64167#(and (<= ULTIMATE.start_main_~x~4 64) (<= 64 ULTIMATE.start_main_~x~4)), 64168#(and (<= 65 ULTIMATE.start_main_~x~4) (<= ULTIMATE.start_main_~x~4 65)), 64169#(and (<= 66 ULTIMATE.start_main_~x~4) (<= ULTIMATE.start_main_~x~4 66)), 64170#(and (<= 67 ULTIMATE.start_main_~x~4) (<= ULTIMATE.start_main_~x~4 67)), 64171#(and (<= ULTIMATE.start_main_~x~4 68) (<= 68 ULTIMATE.start_main_~x~4)), 64172#(and (<= 69 ULTIMATE.start_main_~x~4) (<= ULTIMATE.start_main_~x~4 69)), 64173#(and (<= ULTIMATE.start_main_~x~4 70) (<= 70 ULTIMATE.start_main_~x~4)), 64174#(and (<= 71 ULTIMATE.start_main_~x~4) (<= ULTIMATE.start_main_~x~4 71)), 64175#(and (<= 72 ULTIMATE.start_main_~x~4) (<= ULTIMATE.start_main_~x~4 72)), 64176#(and (<= ULTIMATE.start_main_~x~4 73) (<= 73 ULTIMATE.start_main_~x~4)), 64177#(and (<= 74 ULTIMATE.start_main_~x~4) (<= ULTIMATE.start_main_~x~4 74)), 64178#(and (<= ULTIMATE.start_main_~x~4 75) (<= 75 ULTIMATE.start_main_~x~4)), 64179#(and (<= ULTIMATE.start_main_~x~4 76) (<= 76 ULTIMATE.start_main_~x~4)), 64180#(and (<= ULTIMATE.start_main_~x~4 77) (<= 77 ULTIMATE.start_main_~x~4)), 64181#(and (<= ULTIMATE.start_main_~x~4 78) (<= 78 ULTIMATE.start_main_~x~4)), 64182#(and (<= 79 ULTIMATE.start_main_~x~4) (<= ULTIMATE.start_main_~x~4 79)), 64183#(and (<= ULTIMATE.start_main_~x~4 80) (<= 80 ULTIMATE.start_main_~x~4)), 64184#(and (<= ULTIMATE.start_main_~x~4 81) (<= 81 ULTIMATE.start_main_~x~4)), 64185#(and (<= ULTIMATE.start_main_~x~4 82) (<= 82 ULTIMATE.start_main_~x~4)), 64186#(and (<= 83 ULTIMATE.start_main_~x~4) (<= ULTIMATE.start_main_~x~4 83)), 64187#(and (<= ULTIMATE.start_main_~x~4 84) (<= 84 ULTIMATE.start_main_~x~4)), 64188#(and (<= 85 ULTIMATE.start_main_~x~4) (<= ULTIMATE.start_main_~x~4 85)), 64189#(and (<= 86 ULTIMATE.start_main_~x~4) (<= ULTIMATE.start_main_~x~4 86)), 64190#(and (<= ULTIMATE.start_main_~x~4 87) (<= 87 ULTIMATE.start_main_~x~4)), 64191#(and (<= 88 ULTIMATE.start_main_~x~4) (<= ULTIMATE.start_main_~x~4 88)), 64192#(and (<= ULTIMATE.start_main_~x~4 89) (<= 89 ULTIMATE.start_main_~x~4)), 64193#(and (<= ULTIMATE.start_main_~x~4 90) (<= 90 ULTIMATE.start_main_~x~4)), 64194#(and (<= ULTIMATE.start_main_~x~4 91) (<= 91 ULTIMATE.start_main_~x~4)), 64195#(and (<= ULTIMATE.start_main_~x~4 92) (<= 92 ULTIMATE.start_main_~x~4)), 64196#(and (<= ULTIMATE.start_main_~x~4 93) (<= 93 ULTIMATE.start_main_~x~4)), 64197#(and (<= ULTIMATE.start_main_~x~4 94) (<= 94 ULTIMATE.start_main_~x~4)), 64198#(and (<= 95 ULTIMATE.start_main_~x~4) (<= ULTIMATE.start_main_~x~4 95)), 64199#(and (<= ULTIMATE.start_main_~x~4 96) (<= 96 ULTIMATE.start_main_~x~4)), 64200#(and (<= 97 ULTIMATE.start_main_~x~4) (<= ULTIMATE.start_main_~x~4 97)), 64201#(and (<= ULTIMATE.start_main_~x~4 98) (<= 98 ULTIMATE.start_main_~x~4)), 64202#(and (<= 99 ULTIMATE.start_main_~x~4) (<= ULTIMATE.start_main_~x~4 99)), 64203#(and (<= ULTIMATE.start_main_~x~4 100) (<= 100 ULTIMATE.start_main_~x~4)), 64204#(and (<= ULTIMATE.start_main_~x~4 101) (<= 101 ULTIMATE.start_main_~x~4)), 64205#(and (<= 102 ULTIMATE.start_main_~x~4) (<= ULTIMATE.start_main_~x~4 102)), 64206#(and (<= 103 ULTIMATE.start_main_~x~4) (<= ULTIMATE.start_main_~x~4 103)), 64207#(and (<= ULTIMATE.start_main_~x~4 104) (<= 104 ULTIMATE.start_main_~x~4)), 64208#(and (<= 105 ULTIMATE.start_main_~x~4) (<= ULTIMATE.start_main_~x~4 105)), 64209#(and (<= 106 ULTIMATE.start_main_~x~4) (<= ULTIMATE.start_main_~x~4 106)), 64210#(and (<= 107 ULTIMATE.start_main_~x~4) (<= ULTIMATE.start_main_~x~4 107)), 64211#(and (<= 108 ULTIMATE.start_main_~x~4) (<= ULTIMATE.start_main_~x~4 108)), 64212#(and (<= ULTIMATE.start_main_~x~4 109) (<= 109 ULTIMATE.start_main_~x~4)), 64213#(and (<= 110 ULTIMATE.start_main_~x~4) (<= ULTIMATE.start_main_~x~4 110)), 64214#(and (<= ULTIMATE.start_main_~x~4 111) (<= 111 ULTIMATE.start_main_~x~4)), 64215#(and (<= ULTIMATE.start_main_~x~4 112) (<= 112 ULTIMATE.start_main_~x~4)), 64216#(and (<= 113 ULTIMATE.start_main_~x~4) (<= ULTIMATE.start_main_~x~4 113)), 64217#(and (<= ULTIMATE.start_main_~x~4 114) (<= 114 ULTIMATE.start_main_~x~4)), 64218#(and (<= ULTIMATE.start_main_~x~4 115) (<= 115 ULTIMATE.start_main_~x~4)), 64219#(and (<= ULTIMATE.start_main_~x~4 116) (<= 116 ULTIMATE.start_main_~x~4))] [2018-07-23 13:51:17,204 INFO L134 CoverageAnalysis]: Checked inductivity of 13572 backedges. 0 proven. 13572 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-07-23 13:51:17,204 INFO L450 AbstractCegarLoop]: Interpolant automaton has 119 states [2018-07-23 13:51:17,205 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 119 interpolants. [2018-07-23 13:51:17,205 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=235, Invalid=13807, Unknown=0, NotChecked=0, Total=14042 [2018-07-23 13:51:17,206 INFO L87 Difference]: Start difference. First operand 237 states and 237 transitions. Second operand 119 states. [2018-07-23 13:51:18,192 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-07-23 13:51:18,193 INFO L93 Difference]: Finished difference Result 241 states and 241 transitions. [2018-07-23 13:51:18,193 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 119 states. [2018-07-23 13:51:18,193 INFO L78 Accepts]: Start accepts. Automaton has 119 states. Word has length 236 [2018-07-23 13:51:18,193 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-07-23 13:51:18,194 INFO L225 Difference]: With dead ends: 241 [2018-07-23 13:51:18,194 INFO L226 Difference]: Without dead ends: 239 [2018-07-23 13:51:18,195 INFO L575 BasicCegarLoop]: 0 DeclaredPredicates, 118 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 117 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.5s TimeCoverageRelationStatistics Valid=235, Invalid=13807, Unknown=0, NotChecked=0, Total=14042 [2018-07-23 13:51:18,195 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 239 states. [2018-07-23 13:51:18,201 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 239 to 239. [2018-07-23 13:51:18,201 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 239 states. [2018-07-23 13:51:18,201 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 239 states to 239 states and 239 transitions. [2018-07-23 13:51:18,202 INFO L78 Accepts]: Start accepts. Automaton has 239 states and 239 transitions. Word has length 236 [2018-07-23 13:51:18,202 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-07-23 13:51:18,202 INFO L471 AbstractCegarLoop]: Abstraction has 239 states and 239 transitions. [2018-07-23 13:51:18,202 INFO L472 AbstractCegarLoop]: Interpolant automaton has 119 states. [2018-07-23 13:51:18,202 INFO L276 IsEmpty]: Start isEmpty. Operand 239 states and 239 transitions. [2018-07-23 13:51:18,203 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 239 [2018-07-23 13:51:18,203 INFO L349 BasicCegarLoop]: Found error trace [2018-07-23 13:51:18,203 INFO L357 BasicCegarLoop]: trace histogram [118, 117, 1, 1, 1] [2018-07-23 13:51:18,204 INFO L414 AbstractCegarLoop]: === Iteration 118 === [ULTIMATE.startErr0AssertViolationASSERT]=== [2018-07-23 13:51:18,204 INFO L82 PathProgramCache]: Analyzing trace with hash -326934327, now seen corresponding path program 117 times [2018-07-23 13:51:18,204 INFO L69 tionRefinementEngine]: Using refinement strategy FixedRefinementStrategy [2018-07-23 13:51:18,381 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-07-23 13:51:19,131 INFO L134 CoverageAnalysis]: Checked inductivity of 13806 backedges. 0 proven. 13806 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-07-23 13:51:19,132 INFO L309 seRefinementStrategy]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2018-07-23 13:51:19,132 INFO L324 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [119] total 119 [2018-07-23 13:51:19,132 INFO L142 lantAutomatonBuilder]: Constructing canonical interpolant automaton, with selfloop in false state [2018-07-23 13:51:19,132 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-07-23 13:51:19,133 INFO L185 omatonBuilderFactory]: Interpolants [65280#(and (<= ULTIMATE.start_main_~x~4 98) (<= 98 ULTIMATE.start_main_~x~4)), 65281#(and (<= 99 ULTIMATE.start_main_~x~4) (<= ULTIMATE.start_main_~x~4 99)), 65282#(and (<= ULTIMATE.start_main_~x~4 100) (<= 100 ULTIMATE.start_main_~x~4)), 65283#(and (<= ULTIMATE.start_main_~x~4 101) (<= 101 ULTIMATE.start_main_~x~4)), 65284#(and (<= 102 ULTIMATE.start_main_~x~4) (<= ULTIMATE.start_main_~x~4 102)), 65285#(and (<= 103 ULTIMATE.start_main_~x~4) (<= ULTIMATE.start_main_~x~4 103)), 65286#(and (<= ULTIMATE.start_main_~x~4 104) (<= 104 ULTIMATE.start_main_~x~4)), 65287#(and (<= 105 ULTIMATE.start_main_~x~4) (<= ULTIMATE.start_main_~x~4 105)), 65288#(and (<= 106 ULTIMATE.start_main_~x~4) (<= ULTIMATE.start_main_~x~4 106)), 65289#(and (<= 107 ULTIMATE.start_main_~x~4) (<= ULTIMATE.start_main_~x~4 107)), 65290#(and (<= 108 ULTIMATE.start_main_~x~4) (<= ULTIMATE.start_main_~x~4 108)), 65291#(and (<= ULTIMATE.start_main_~x~4 109) (<= 109 ULTIMATE.start_main_~x~4)), 65292#(and (<= 110 ULTIMATE.start_main_~x~4) (<= ULTIMATE.start_main_~x~4 110)), 65293#(and (<= ULTIMATE.start_main_~x~4 111) (<= 111 ULTIMATE.start_main_~x~4)), 65294#(and (<= ULTIMATE.start_main_~x~4 112) (<= 112 ULTIMATE.start_main_~x~4)), 65295#(and (<= 113 ULTIMATE.start_main_~x~4) (<= ULTIMATE.start_main_~x~4 113)), 65296#(and (<= ULTIMATE.start_main_~x~4 114) (<= 114 ULTIMATE.start_main_~x~4)), 65297#(and (<= ULTIMATE.start_main_~x~4 115) (<= 115 ULTIMATE.start_main_~x~4)), 65298#(and (<= ULTIMATE.start_main_~x~4 116) (<= 116 ULTIMATE.start_main_~x~4)), 65299#(and (<= ULTIMATE.start_main_~x~4 117) (<= 117 ULTIMATE.start_main_~x~4)), 65180#true, 65181#false, 65182#(and (<= ULTIMATE.start_main_~x~4 0) (<= 0 ULTIMATE.start_main_~x~4)), 65183#(and (<= ULTIMATE.start_main_~x~4 1) (<= 1 ULTIMATE.start_main_~x~4)), 65184#(and (<= 2 ULTIMATE.start_main_~x~4) (<= ULTIMATE.start_main_~x~4 2)), 65185#(and (<= 3 ULTIMATE.start_main_~x~4) (<= ULTIMATE.start_main_~x~4 3)), 65186#(and (<= ULTIMATE.start_main_~x~4 4) (<= 4 ULTIMATE.start_main_~x~4)), 65187#(and (<= ULTIMATE.start_main_~x~4 5) (<= 5 ULTIMATE.start_main_~x~4)), 65188#(and (<= 6 ULTIMATE.start_main_~x~4) (<= ULTIMATE.start_main_~x~4 6)), 65189#(and (<= ULTIMATE.start_main_~x~4 7) (<= 7 ULTIMATE.start_main_~x~4)), 65190#(and (<= ULTIMATE.start_main_~x~4 8) (<= 8 ULTIMATE.start_main_~x~4)), 65191#(and (<= 9 ULTIMATE.start_main_~x~4) (<= ULTIMATE.start_main_~x~4 9)), 65192#(and (<= ULTIMATE.start_main_~x~4 10) (<= 10 ULTIMATE.start_main_~x~4)), 65193#(and (<= ULTIMATE.start_main_~x~4 11) (<= 11 ULTIMATE.start_main_~x~4)), 65194#(and (<= 12 ULTIMATE.start_main_~x~4) (<= ULTIMATE.start_main_~x~4 12)), 65195#(and (<= ULTIMATE.start_main_~x~4 13) (<= 13 ULTIMATE.start_main_~x~4)), 65196#(and (<= 14 ULTIMATE.start_main_~x~4) (<= ULTIMATE.start_main_~x~4 14)), 65197#(and (<= 15 ULTIMATE.start_main_~x~4) (<= ULTIMATE.start_main_~x~4 15)), 65198#(and (<= ULTIMATE.start_main_~x~4 16) (<= 16 ULTIMATE.start_main_~x~4)), 65199#(and (<= ULTIMATE.start_main_~x~4 17) (<= 17 ULTIMATE.start_main_~x~4)), 65200#(and (<= 18 ULTIMATE.start_main_~x~4) (<= ULTIMATE.start_main_~x~4 18)), 65201#(and (<= 19 ULTIMATE.start_main_~x~4) (<= ULTIMATE.start_main_~x~4 19)), 65202#(and (<= 20 ULTIMATE.start_main_~x~4) (<= ULTIMATE.start_main_~x~4 20)), 65203#(and (<= ULTIMATE.start_main_~x~4 21) (<= 21 ULTIMATE.start_main_~x~4)), 65204#(and (<= ULTIMATE.start_main_~x~4 22) (<= 22 ULTIMATE.start_main_~x~4)), 65205#(and (<= ULTIMATE.start_main_~x~4 23) (<= 23 ULTIMATE.start_main_~x~4)), 65206#(and (<= ULTIMATE.start_main_~x~4 24) (<= 24 ULTIMATE.start_main_~x~4)), 65207#(and (<= ULTIMATE.start_main_~x~4 25) (<= 25 ULTIMATE.start_main_~x~4)), 65208#(and (<= ULTIMATE.start_main_~x~4 26) (<= 26 ULTIMATE.start_main_~x~4)), 65209#(and (<= ULTIMATE.start_main_~x~4 27) (<= 27 ULTIMATE.start_main_~x~4)), 65210#(and (<= ULTIMATE.start_main_~x~4 28) (<= 28 ULTIMATE.start_main_~x~4)), 65211#(and (<= 29 ULTIMATE.start_main_~x~4) (<= ULTIMATE.start_main_~x~4 29)), 65212#(and (<= ULTIMATE.start_main_~x~4 30) (<= 30 ULTIMATE.start_main_~x~4)), 65213#(and (<= ULTIMATE.start_main_~x~4 31) (<= 31 ULTIMATE.start_main_~x~4)), 65214#(and (<= ULTIMATE.start_main_~x~4 32) (<= 32 ULTIMATE.start_main_~x~4)), 65215#(and (<= ULTIMATE.start_main_~x~4 33) (<= 33 ULTIMATE.start_main_~x~4)), 65216#(and (<= 34 ULTIMATE.start_main_~x~4) (<= ULTIMATE.start_main_~x~4 34)), 65217#(and (<= ULTIMATE.start_main_~x~4 35) (<= 35 ULTIMATE.start_main_~x~4)), 65218#(and (<= 36 ULTIMATE.start_main_~x~4) (<= ULTIMATE.start_main_~x~4 36)), 65219#(and (<= ULTIMATE.start_main_~x~4 37) (<= 37 ULTIMATE.start_main_~x~4)), 65220#(and (<= 38 ULTIMATE.start_main_~x~4) (<= ULTIMATE.start_main_~x~4 38)), 65221#(and (<= ULTIMATE.start_main_~x~4 39) (<= 39 ULTIMATE.start_main_~x~4)), 65222#(and (<= ULTIMATE.start_main_~x~4 40) (<= 40 ULTIMATE.start_main_~x~4)), 65223#(and (<= ULTIMATE.start_main_~x~4 41) (<= 41 ULTIMATE.start_main_~x~4)), 65224#(and (<= ULTIMATE.start_main_~x~4 42) (<= 42 ULTIMATE.start_main_~x~4)), 65225#(and (<= ULTIMATE.start_main_~x~4 43) (<= 43 ULTIMATE.start_main_~x~4)), 65226#(and (<= 44 ULTIMATE.start_main_~x~4) (<= ULTIMATE.start_main_~x~4 44)), 65227#(and (<= 45 ULTIMATE.start_main_~x~4) (<= ULTIMATE.start_main_~x~4 45)), 65228#(and (<= ULTIMATE.start_main_~x~4 46) (<= 46 ULTIMATE.start_main_~x~4)), 65229#(and (<= 47 ULTIMATE.start_main_~x~4) (<= ULTIMATE.start_main_~x~4 47)), 65230#(and (<= 48 ULTIMATE.start_main_~x~4) (<= ULTIMATE.start_main_~x~4 48)), 65231#(and (<= 49 ULTIMATE.start_main_~x~4) (<= ULTIMATE.start_main_~x~4 49)), 65232#(and (<= ULTIMATE.start_main_~x~4 50) (<= 50 ULTIMATE.start_main_~x~4)), 65233#(and (<= 51 ULTIMATE.start_main_~x~4) (<= ULTIMATE.start_main_~x~4 51)), 65234#(and (<= ULTIMATE.start_main_~x~4 52) (<= 52 ULTIMATE.start_main_~x~4)), 65235#(and (<= 53 ULTIMATE.start_main_~x~4) (<= ULTIMATE.start_main_~x~4 53)), 65236#(and (<= ULTIMATE.start_main_~x~4 54) (<= 54 ULTIMATE.start_main_~x~4)), 65237#(and (<= 55 ULTIMATE.start_main_~x~4) (<= ULTIMATE.start_main_~x~4 55)), 65238#(and (<= 56 ULTIMATE.start_main_~x~4) (<= ULTIMATE.start_main_~x~4 56)), 65239#(and (<= 57 ULTIMATE.start_main_~x~4) (<= ULTIMATE.start_main_~x~4 57)), 65240#(and (<= 58 ULTIMATE.start_main_~x~4) (<= ULTIMATE.start_main_~x~4 58)), 65241#(and (<= ULTIMATE.start_main_~x~4 59) (<= 59 ULTIMATE.start_main_~x~4)), 65242#(and (<= 60 ULTIMATE.start_main_~x~4) (<= ULTIMATE.start_main_~x~4 60)), 65243#(and (<= 61 ULTIMATE.start_main_~x~4) (<= ULTIMATE.start_main_~x~4 61)), 65244#(and (<= ULTIMATE.start_main_~x~4 62) (<= 62 ULTIMATE.start_main_~x~4)), 65245#(and (<= 63 ULTIMATE.start_main_~x~4) (<= ULTIMATE.start_main_~x~4 63)), 65246#(and (<= ULTIMATE.start_main_~x~4 64) (<= 64 ULTIMATE.start_main_~x~4)), 65247#(and (<= 65 ULTIMATE.start_main_~x~4) (<= ULTIMATE.start_main_~x~4 65)), 65248#(and (<= 66 ULTIMATE.start_main_~x~4) (<= ULTIMATE.start_main_~x~4 66)), 65249#(and (<= 67 ULTIMATE.start_main_~x~4) (<= ULTIMATE.start_main_~x~4 67)), 65250#(and (<= ULTIMATE.start_main_~x~4 68) (<= 68 ULTIMATE.start_main_~x~4)), 65251#(and (<= 69 ULTIMATE.start_main_~x~4) (<= ULTIMATE.start_main_~x~4 69)), 65252#(and (<= ULTIMATE.start_main_~x~4 70) (<= 70 ULTIMATE.start_main_~x~4)), 65253#(and (<= 71 ULTIMATE.start_main_~x~4) (<= ULTIMATE.start_main_~x~4 71)), 65254#(and (<= 72 ULTIMATE.start_main_~x~4) (<= ULTIMATE.start_main_~x~4 72)), 65255#(and (<= ULTIMATE.start_main_~x~4 73) (<= 73 ULTIMATE.start_main_~x~4)), 65256#(and (<= 74 ULTIMATE.start_main_~x~4) (<= ULTIMATE.start_main_~x~4 74)), 65257#(and (<= ULTIMATE.start_main_~x~4 75) (<= 75 ULTIMATE.start_main_~x~4)), 65258#(and (<= ULTIMATE.start_main_~x~4 76) (<= 76 ULTIMATE.start_main_~x~4)), 65259#(and (<= ULTIMATE.start_main_~x~4 77) (<= 77 ULTIMATE.start_main_~x~4)), 65260#(and (<= ULTIMATE.start_main_~x~4 78) (<= 78 ULTIMATE.start_main_~x~4)), 65261#(and (<= 79 ULTIMATE.start_main_~x~4) (<= ULTIMATE.start_main_~x~4 79)), 65262#(and (<= ULTIMATE.start_main_~x~4 80) (<= 80 ULTIMATE.start_main_~x~4)), 65263#(and (<= ULTIMATE.start_main_~x~4 81) (<= 81 ULTIMATE.start_main_~x~4)), 65264#(and (<= ULTIMATE.start_main_~x~4 82) (<= 82 ULTIMATE.start_main_~x~4)), 65265#(and (<= 83 ULTIMATE.start_main_~x~4) (<= ULTIMATE.start_main_~x~4 83)), 65266#(and (<= ULTIMATE.start_main_~x~4 84) (<= 84 ULTIMATE.start_main_~x~4)), 65267#(and (<= 85 ULTIMATE.start_main_~x~4) (<= ULTIMATE.start_main_~x~4 85)), 65268#(and (<= 86 ULTIMATE.start_main_~x~4) (<= ULTIMATE.start_main_~x~4 86)), 65269#(and (<= ULTIMATE.start_main_~x~4 87) (<= 87 ULTIMATE.start_main_~x~4)), 65270#(and (<= 88 ULTIMATE.start_main_~x~4) (<= ULTIMATE.start_main_~x~4 88)), 65271#(and (<= ULTIMATE.start_main_~x~4 89) (<= 89 ULTIMATE.start_main_~x~4)), 65272#(and (<= ULTIMATE.start_main_~x~4 90) (<= 90 ULTIMATE.start_main_~x~4)), 65273#(and (<= ULTIMATE.start_main_~x~4 91) (<= 91 ULTIMATE.start_main_~x~4)), 65274#(and (<= ULTIMATE.start_main_~x~4 92) (<= 92 ULTIMATE.start_main_~x~4)), 65275#(and (<= ULTIMATE.start_main_~x~4 93) (<= 93 ULTIMATE.start_main_~x~4)), 65276#(and (<= ULTIMATE.start_main_~x~4 94) (<= 94 ULTIMATE.start_main_~x~4)), 65277#(and (<= 95 ULTIMATE.start_main_~x~4) (<= ULTIMATE.start_main_~x~4 95)), 65278#(and (<= ULTIMATE.start_main_~x~4 96) (<= 96 ULTIMATE.start_main_~x~4)), 65279#(and (<= 97 ULTIMATE.start_main_~x~4) (<= ULTIMATE.start_main_~x~4 97))] [2018-07-23 13:51:19,133 INFO L134 CoverageAnalysis]: Checked inductivity of 13806 backedges. 0 proven. 13806 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-07-23 13:51:19,133 INFO L450 AbstractCegarLoop]: Interpolant automaton has 120 states [2018-07-23 13:51:19,134 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 120 interpolants. [2018-07-23 13:51:19,134 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=237, Invalid=14043, Unknown=0, NotChecked=0, Total=14280 [2018-07-23 13:51:19,134 INFO L87 Difference]: Start difference. First operand 239 states and 239 transitions. Second operand 120 states. [2018-07-23 13:51:20,121 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-07-23 13:51:20,122 INFO L93 Difference]: Finished difference Result 243 states and 243 transitions. [2018-07-23 13:51:20,122 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 120 states. [2018-07-23 13:51:20,122 INFO L78 Accepts]: Start accepts. Automaton has 120 states. Word has length 238 [2018-07-23 13:51:20,122 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-07-23 13:51:20,123 INFO L225 Difference]: With dead ends: 243 [2018-07-23 13:51:20,123 INFO L226 Difference]: Without dead ends: 241 [2018-07-23 13:51:20,123 INFO L575 BasicCegarLoop]: 0 DeclaredPredicates, 119 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 118 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.5s TimeCoverageRelationStatistics Valid=237, Invalid=14043, Unknown=0, NotChecked=0, Total=14280 [2018-07-23 13:51:20,124 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 241 states. [2018-07-23 13:51:20,132 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 241 to 241. [2018-07-23 13:51:20,132 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 241 states. [2018-07-23 13:51:20,133 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 241 states to 241 states and 241 transitions. [2018-07-23 13:51:20,133 INFO L78 Accepts]: Start accepts. Automaton has 241 states and 241 transitions. Word has length 238 [2018-07-23 13:51:20,133 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-07-23 13:51:20,133 INFO L471 AbstractCegarLoop]: Abstraction has 241 states and 241 transitions. [2018-07-23 13:51:20,133 INFO L472 AbstractCegarLoop]: Interpolant automaton has 120 states. [2018-07-23 13:51:20,133 INFO L276 IsEmpty]: Start isEmpty. Operand 241 states and 241 transitions. [2018-07-23 13:51:20,134 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 241 [2018-07-23 13:51:20,134 INFO L349 BasicCegarLoop]: Found error trace [2018-07-23 13:51:20,135 INFO L357 BasicCegarLoop]: trace histogram [119, 118, 1, 1, 1] [2018-07-23 13:51:20,135 INFO L414 AbstractCegarLoop]: === Iteration 119 === [ULTIMATE.startErr0AssertViolationASSERT]=== [2018-07-23 13:51:20,135 INFO L82 PathProgramCache]: Analyzing trace with hash -651223549, now seen corresponding path program 118 times [2018-07-23 13:51:20,135 INFO L69 tionRefinementEngine]: Using refinement strategy FixedRefinementStrategy [2018-07-23 13:51:20,308 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-07-23 13:51:21,041 INFO L134 CoverageAnalysis]: Checked inductivity of 14042 backedges. 0 proven. 14042 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-07-23 13:51:21,042 INFO L309 seRefinementStrategy]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2018-07-23 13:51:21,042 INFO L324 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [120] total 120 [2018-07-23 13:51:21,042 INFO L142 lantAutomatonBuilder]: Constructing canonical interpolant automaton, with selfloop in false state [2018-07-23 13:51:21,042 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-07-23 13:51:21,043 INFO L185 omatonBuilderFactory]: Interpolants [66305#(and (<= ULTIMATE.start_main_~x~4 35) (<= 35 ULTIMATE.start_main_~x~4)), 66304#(and (<= 34 ULTIMATE.start_main_~x~4) (<= ULTIMATE.start_main_~x~4 34)), 66307#(and (<= ULTIMATE.start_main_~x~4 37) (<= 37 ULTIMATE.start_main_~x~4)), 66306#(and (<= 36 ULTIMATE.start_main_~x~4) (<= ULTIMATE.start_main_~x~4 36)), 66309#(and (<= ULTIMATE.start_main_~x~4 39) (<= 39 ULTIMATE.start_main_~x~4)), 66308#(and (<= 38 ULTIMATE.start_main_~x~4) (<= ULTIMATE.start_main_~x~4 38)), 66311#(and (<= ULTIMATE.start_main_~x~4 41) (<= 41 ULTIMATE.start_main_~x~4)), 66310#(and (<= ULTIMATE.start_main_~x~4 40) (<= 40 ULTIMATE.start_main_~x~4)), 66313#(and (<= ULTIMATE.start_main_~x~4 43) (<= 43 ULTIMATE.start_main_~x~4)), 66312#(and (<= ULTIMATE.start_main_~x~4 42) (<= 42 ULTIMATE.start_main_~x~4)), 66315#(and (<= 45 ULTIMATE.start_main_~x~4) (<= ULTIMATE.start_main_~x~4 45)), 66314#(and (<= 44 ULTIMATE.start_main_~x~4) (<= ULTIMATE.start_main_~x~4 44)), 66317#(and (<= 47 ULTIMATE.start_main_~x~4) (<= ULTIMATE.start_main_~x~4 47)), 66316#(and (<= ULTIMATE.start_main_~x~4 46) (<= 46 ULTIMATE.start_main_~x~4)), 66319#(and (<= 49 ULTIMATE.start_main_~x~4) (<= ULTIMATE.start_main_~x~4 49)), 66318#(and (<= 48 ULTIMATE.start_main_~x~4) (<= ULTIMATE.start_main_~x~4 48)), 66321#(and (<= 51 ULTIMATE.start_main_~x~4) (<= ULTIMATE.start_main_~x~4 51)), 66320#(and (<= ULTIMATE.start_main_~x~4 50) (<= 50 ULTIMATE.start_main_~x~4)), 66323#(and (<= 53 ULTIMATE.start_main_~x~4) (<= ULTIMATE.start_main_~x~4 53)), 66322#(and (<= ULTIMATE.start_main_~x~4 52) (<= 52 ULTIMATE.start_main_~x~4)), 66325#(and (<= 55 ULTIMATE.start_main_~x~4) (<= ULTIMATE.start_main_~x~4 55)), 66324#(and (<= ULTIMATE.start_main_~x~4 54) (<= 54 ULTIMATE.start_main_~x~4)), 66327#(and (<= 57 ULTIMATE.start_main_~x~4) (<= ULTIMATE.start_main_~x~4 57)), 66326#(and (<= 56 ULTIMATE.start_main_~x~4) (<= ULTIMATE.start_main_~x~4 56)), 66329#(and (<= ULTIMATE.start_main_~x~4 59) (<= 59 ULTIMATE.start_main_~x~4)), 66328#(and (<= 58 ULTIMATE.start_main_~x~4) (<= ULTIMATE.start_main_~x~4 58)), 66331#(and (<= 61 ULTIMATE.start_main_~x~4) (<= ULTIMATE.start_main_~x~4 61)), 66330#(and (<= 60 ULTIMATE.start_main_~x~4) (<= ULTIMATE.start_main_~x~4 60)), 66333#(and (<= 63 ULTIMATE.start_main_~x~4) (<= ULTIMATE.start_main_~x~4 63)), 66332#(and (<= ULTIMATE.start_main_~x~4 62) (<= 62 ULTIMATE.start_main_~x~4)), 66335#(and (<= 65 ULTIMATE.start_main_~x~4) (<= ULTIMATE.start_main_~x~4 65)), 66334#(and (<= ULTIMATE.start_main_~x~4 64) (<= 64 ULTIMATE.start_main_~x~4)), 66337#(and (<= 67 ULTIMATE.start_main_~x~4) (<= ULTIMATE.start_main_~x~4 67)), 66336#(and (<= 66 ULTIMATE.start_main_~x~4) (<= ULTIMATE.start_main_~x~4 66)), 66339#(and (<= 69 ULTIMATE.start_main_~x~4) (<= ULTIMATE.start_main_~x~4 69)), 66338#(and (<= ULTIMATE.start_main_~x~4 68) (<= 68 ULTIMATE.start_main_~x~4)), 66341#(and (<= 71 ULTIMATE.start_main_~x~4) (<= ULTIMATE.start_main_~x~4 71)), 66340#(and (<= ULTIMATE.start_main_~x~4 70) (<= 70 ULTIMATE.start_main_~x~4)), 66343#(and (<= ULTIMATE.start_main_~x~4 73) (<= 73 ULTIMATE.start_main_~x~4)), 66342#(and (<= 72 ULTIMATE.start_main_~x~4) (<= ULTIMATE.start_main_~x~4 72)), 66345#(and (<= ULTIMATE.start_main_~x~4 75) (<= 75 ULTIMATE.start_main_~x~4)), 66344#(and (<= 74 ULTIMATE.start_main_~x~4) (<= ULTIMATE.start_main_~x~4 74)), 66347#(and (<= ULTIMATE.start_main_~x~4 77) (<= 77 ULTIMATE.start_main_~x~4)), 66346#(and (<= ULTIMATE.start_main_~x~4 76) (<= 76 ULTIMATE.start_main_~x~4)), 66349#(and (<= 79 ULTIMATE.start_main_~x~4) (<= ULTIMATE.start_main_~x~4 79)), 66348#(and (<= ULTIMATE.start_main_~x~4 78) (<= 78 ULTIMATE.start_main_~x~4)), 66351#(and (<= ULTIMATE.start_main_~x~4 81) (<= 81 ULTIMATE.start_main_~x~4)), 66350#(and (<= ULTIMATE.start_main_~x~4 80) (<= 80 ULTIMATE.start_main_~x~4)), 66353#(and (<= 83 ULTIMATE.start_main_~x~4) (<= ULTIMATE.start_main_~x~4 83)), 66352#(and (<= ULTIMATE.start_main_~x~4 82) (<= 82 ULTIMATE.start_main_~x~4)), 66355#(and (<= 85 ULTIMATE.start_main_~x~4) (<= ULTIMATE.start_main_~x~4 85)), 66354#(and (<= ULTIMATE.start_main_~x~4 84) (<= 84 ULTIMATE.start_main_~x~4)), 66357#(and (<= ULTIMATE.start_main_~x~4 87) (<= 87 ULTIMATE.start_main_~x~4)), 66356#(and (<= 86 ULTIMATE.start_main_~x~4) (<= ULTIMATE.start_main_~x~4 86)), 66359#(and (<= ULTIMATE.start_main_~x~4 89) (<= 89 ULTIMATE.start_main_~x~4)), 66358#(and (<= 88 ULTIMATE.start_main_~x~4) (<= ULTIMATE.start_main_~x~4 88)), 66361#(and (<= ULTIMATE.start_main_~x~4 91) (<= 91 ULTIMATE.start_main_~x~4)), 66360#(and (<= ULTIMATE.start_main_~x~4 90) (<= 90 ULTIMATE.start_main_~x~4)), 66363#(and (<= ULTIMATE.start_main_~x~4 93) (<= 93 ULTIMATE.start_main_~x~4)), 66362#(and (<= ULTIMATE.start_main_~x~4 92) (<= 92 ULTIMATE.start_main_~x~4)), 66365#(and (<= 95 ULTIMATE.start_main_~x~4) (<= ULTIMATE.start_main_~x~4 95)), 66364#(and (<= ULTIMATE.start_main_~x~4 94) (<= 94 ULTIMATE.start_main_~x~4)), 66367#(and (<= 97 ULTIMATE.start_main_~x~4) (<= ULTIMATE.start_main_~x~4 97)), 66366#(and (<= ULTIMATE.start_main_~x~4 96) (<= 96 ULTIMATE.start_main_~x~4)), 66369#(and (<= 99 ULTIMATE.start_main_~x~4) (<= ULTIMATE.start_main_~x~4 99)), 66368#(and (<= ULTIMATE.start_main_~x~4 98) (<= 98 ULTIMATE.start_main_~x~4)), 66371#(and (<= ULTIMATE.start_main_~x~4 101) (<= 101 ULTIMATE.start_main_~x~4)), 66370#(and (<= ULTIMATE.start_main_~x~4 100) (<= 100 ULTIMATE.start_main_~x~4)), 66373#(and (<= 103 ULTIMATE.start_main_~x~4) (<= ULTIMATE.start_main_~x~4 103)), 66372#(and (<= 102 ULTIMATE.start_main_~x~4) (<= ULTIMATE.start_main_~x~4 102)), 66375#(and (<= 105 ULTIMATE.start_main_~x~4) (<= ULTIMATE.start_main_~x~4 105)), 66374#(and (<= ULTIMATE.start_main_~x~4 104) (<= 104 ULTIMATE.start_main_~x~4)), 66377#(and (<= 107 ULTIMATE.start_main_~x~4) (<= ULTIMATE.start_main_~x~4 107)), 66376#(and (<= 106 ULTIMATE.start_main_~x~4) (<= ULTIMATE.start_main_~x~4 106)), 66379#(and (<= ULTIMATE.start_main_~x~4 109) (<= 109 ULTIMATE.start_main_~x~4)), 66378#(and (<= 108 ULTIMATE.start_main_~x~4) (<= ULTIMATE.start_main_~x~4 108)), 66381#(and (<= ULTIMATE.start_main_~x~4 111) (<= 111 ULTIMATE.start_main_~x~4)), 66380#(and (<= 110 ULTIMATE.start_main_~x~4) (<= ULTIMATE.start_main_~x~4 110)), 66383#(and (<= 113 ULTIMATE.start_main_~x~4) (<= ULTIMATE.start_main_~x~4 113)), 66382#(and (<= ULTIMATE.start_main_~x~4 112) (<= 112 ULTIMATE.start_main_~x~4)), 66385#(and (<= ULTIMATE.start_main_~x~4 115) (<= 115 ULTIMATE.start_main_~x~4)), 66384#(and (<= ULTIMATE.start_main_~x~4 114) (<= 114 ULTIMATE.start_main_~x~4)), 66387#(and (<= ULTIMATE.start_main_~x~4 117) (<= 117 ULTIMATE.start_main_~x~4)), 66386#(and (<= ULTIMATE.start_main_~x~4 116) (<= 116 ULTIMATE.start_main_~x~4)), 66388#(and (<= 118 ULTIMATE.start_main_~x~4) (<= ULTIMATE.start_main_~x~4 118)), 66269#false, 66268#true, 66271#(and (<= ULTIMATE.start_main_~x~4 1) (<= 1 ULTIMATE.start_main_~x~4)), 66270#(and (<= ULTIMATE.start_main_~x~4 0) (<= 0 ULTIMATE.start_main_~x~4)), 66273#(and (<= 3 ULTIMATE.start_main_~x~4) (<= ULTIMATE.start_main_~x~4 3)), 66272#(and (<= 2 ULTIMATE.start_main_~x~4) (<= ULTIMATE.start_main_~x~4 2)), 66275#(and (<= ULTIMATE.start_main_~x~4 5) (<= 5 ULTIMATE.start_main_~x~4)), 66274#(and (<= ULTIMATE.start_main_~x~4 4) (<= 4 ULTIMATE.start_main_~x~4)), 66277#(and (<= ULTIMATE.start_main_~x~4 7) (<= 7 ULTIMATE.start_main_~x~4)), 66276#(and (<= 6 ULTIMATE.start_main_~x~4) (<= ULTIMATE.start_main_~x~4 6)), 66279#(and (<= 9 ULTIMATE.start_main_~x~4) (<= ULTIMATE.start_main_~x~4 9)), 66278#(and (<= ULTIMATE.start_main_~x~4 8) (<= 8 ULTIMATE.start_main_~x~4)), 66281#(and (<= ULTIMATE.start_main_~x~4 11) (<= 11 ULTIMATE.start_main_~x~4)), 66280#(and (<= ULTIMATE.start_main_~x~4 10) (<= 10 ULTIMATE.start_main_~x~4)), 66283#(and (<= ULTIMATE.start_main_~x~4 13) (<= 13 ULTIMATE.start_main_~x~4)), 66282#(and (<= 12 ULTIMATE.start_main_~x~4) (<= ULTIMATE.start_main_~x~4 12)), 66285#(and (<= 15 ULTIMATE.start_main_~x~4) (<= ULTIMATE.start_main_~x~4 15)), 66284#(and (<= 14 ULTIMATE.start_main_~x~4) (<= ULTIMATE.start_main_~x~4 14)), 66287#(and (<= ULTIMATE.start_main_~x~4 17) (<= 17 ULTIMATE.start_main_~x~4)), 66286#(and (<= ULTIMATE.start_main_~x~4 16) (<= 16 ULTIMATE.start_main_~x~4)), 66289#(and (<= 19 ULTIMATE.start_main_~x~4) (<= ULTIMATE.start_main_~x~4 19)), 66288#(and (<= 18 ULTIMATE.start_main_~x~4) (<= ULTIMATE.start_main_~x~4 18)), 66291#(and (<= ULTIMATE.start_main_~x~4 21) (<= 21 ULTIMATE.start_main_~x~4)), 66290#(and (<= 20 ULTIMATE.start_main_~x~4) (<= ULTIMATE.start_main_~x~4 20)), 66293#(and (<= ULTIMATE.start_main_~x~4 23) (<= 23 ULTIMATE.start_main_~x~4)), 66292#(and (<= ULTIMATE.start_main_~x~4 22) (<= 22 ULTIMATE.start_main_~x~4)), 66295#(and (<= ULTIMATE.start_main_~x~4 25) (<= 25 ULTIMATE.start_main_~x~4)), 66294#(and (<= ULTIMATE.start_main_~x~4 24) (<= 24 ULTIMATE.start_main_~x~4)), 66297#(and (<= ULTIMATE.start_main_~x~4 27) (<= 27 ULTIMATE.start_main_~x~4)), 66296#(and (<= ULTIMATE.start_main_~x~4 26) (<= 26 ULTIMATE.start_main_~x~4)), 66299#(and (<= 29 ULTIMATE.start_main_~x~4) (<= ULTIMATE.start_main_~x~4 29)), 66298#(and (<= ULTIMATE.start_main_~x~4 28) (<= 28 ULTIMATE.start_main_~x~4)), 66301#(and (<= ULTIMATE.start_main_~x~4 31) (<= 31 ULTIMATE.start_main_~x~4)), 66300#(and (<= ULTIMATE.start_main_~x~4 30) (<= 30 ULTIMATE.start_main_~x~4)), 66303#(and (<= ULTIMATE.start_main_~x~4 33) (<= 33 ULTIMATE.start_main_~x~4)), 66302#(and (<= ULTIMATE.start_main_~x~4 32) (<= 32 ULTIMATE.start_main_~x~4))] [2018-07-23 13:51:21,043 INFO L134 CoverageAnalysis]: Checked inductivity of 14042 backedges. 0 proven. 14042 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-07-23 13:51:21,044 INFO L450 AbstractCegarLoop]: Interpolant automaton has 121 states [2018-07-23 13:51:21,044 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 121 interpolants. [2018-07-23 13:51:21,044 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=239, Invalid=14281, Unknown=0, NotChecked=0, Total=14520 [2018-07-23 13:51:21,045 INFO L87 Difference]: Start difference. First operand 241 states and 241 transitions. Second operand 121 states. [2018-07-23 13:51:22,078 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-07-23 13:51:22,078 INFO L93 Difference]: Finished difference Result 245 states and 245 transitions. [2018-07-23 13:51:22,079 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 121 states. [2018-07-23 13:51:22,079 INFO L78 Accepts]: Start accepts. Automaton has 121 states. Word has length 240 [2018-07-23 13:51:22,079 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-07-23 13:51:22,080 INFO L225 Difference]: With dead ends: 245 [2018-07-23 13:51:22,080 INFO L226 Difference]: Without dead ends: 243 [2018-07-23 13:51:22,081 INFO L575 BasicCegarLoop]: 0 DeclaredPredicates, 120 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 119 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.5s TimeCoverageRelationStatistics Valid=239, Invalid=14281, Unknown=0, NotChecked=0, Total=14520 [2018-07-23 13:51:22,081 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 243 states. [2018-07-23 13:51:22,087 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 243 to 243. [2018-07-23 13:51:22,088 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 243 states. [2018-07-23 13:51:22,088 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 243 states to 243 states and 243 transitions. [2018-07-23 13:51:22,088 INFO L78 Accepts]: Start accepts. Automaton has 243 states and 243 transitions. Word has length 240 [2018-07-23 13:51:22,088 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-07-23 13:51:22,088 INFO L471 AbstractCegarLoop]: Abstraction has 243 states and 243 transitions. [2018-07-23 13:51:22,088 INFO L472 AbstractCegarLoop]: Interpolant automaton has 121 states. [2018-07-23 13:51:22,089 INFO L276 IsEmpty]: Start isEmpty. Operand 243 states and 243 transitions. [2018-07-23 13:51:22,089 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 243 [2018-07-23 13:51:22,089 INFO L349 BasicCegarLoop]: Found error trace [2018-07-23 13:51:22,089 INFO L357 BasicCegarLoop]: trace histogram [120, 119, 1, 1, 1] [2018-07-23 13:51:22,089 INFO L414 AbstractCegarLoop]: === Iteration 120 === [ULTIMATE.startErr0AssertViolationASSERT]=== [2018-07-23 13:51:22,090 INFO L82 PathProgramCache]: Analyzing trace with hash 1239446717, now seen corresponding path program 119 times [2018-07-23 13:51:22,090 INFO L69 tionRefinementEngine]: Using refinement strategy FixedRefinementStrategy [2018-07-23 13:51:22,260 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-07-23 13:51:23,063 INFO L134 CoverageAnalysis]: Checked inductivity of 14280 backedges. 0 proven. 14280 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-07-23 13:51:23,063 INFO L309 seRefinementStrategy]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2018-07-23 13:51:23,064 INFO L324 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [121] total 121 [2018-07-23 13:51:23,064 INFO L142 lantAutomatonBuilder]: Constructing canonical interpolant automaton, with selfloop in false state [2018-07-23 13:51:23,064 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-07-23 13:51:23,064 INFO L185 omatonBuilderFactory]: Interpolants [67365#true, 67367#(and (<= ULTIMATE.start_main_~x~4 0) (<= 0 ULTIMATE.start_main_~x~4)), 67366#false, 67369#(and (<= 2 ULTIMATE.start_main_~x~4) (<= ULTIMATE.start_main_~x~4 2)), 67368#(and (<= ULTIMATE.start_main_~x~4 1) (<= 1 ULTIMATE.start_main_~x~4)), 67371#(and (<= ULTIMATE.start_main_~x~4 4) (<= 4 ULTIMATE.start_main_~x~4)), 67370#(and (<= 3 ULTIMATE.start_main_~x~4) (<= ULTIMATE.start_main_~x~4 3)), 67373#(and (<= 6 ULTIMATE.start_main_~x~4) (<= ULTIMATE.start_main_~x~4 6)), 67372#(and (<= ULTIMATE.start_main_~x~4 5) (<= 5 ULTIMATE.start_main_~x~4)), 67375#(and (<= ULTIMATE.start_main_~x~4 8) (<= 8 ULTIMATE.start_main_~x~4)), 67374#(and (<= ULTIMATE.start_main_~x~4 7) (<= 7 ULTIMATE.start_main_~x~4)), 67377#(and (<= ULTIMATE.start_main_~x~4 10) (<= 10 ULTIMATE.start_main_~x~4)), 67376#(and (<= 9 ULTIMATE.start_main_~x~4) (<= ULTIMATE.start_main_~x~4 9)), 67379#(and (<= 12 ULTIMATE.start_main_~x~4) (<= ULTIMATE.start_main_~x~4 12)), 67378#(and (<= ULTIMATE.start_main_~x~4 11) (<= 11 ULTIMATE.start_main_~x~4)), 67381#(and (<= 14 ULTIMATE.start_main_~x~4) (<= ULTIMATE.start_main_~x~4 14)), 67380#(and (<= ULTIMATE.start_main_~x~4 13) (<= 13 ULTIMATE.start_main_~x~4)), 67383#(and (<= ULTIMATE.start_main_~x~4 16) (<= 16 ULTIMATE.start_main_~x~4)), 67382#(and (<= 15 ULTIMATE.start_main_~x~4) (<= ULTIMATE.start_main_~x~4 15)), 67385#(and (<= 18 ULTIMATE.start_main_~x~4) (<= ULTIMATE.start_main_~x~4 18)), 67384#(and (<= ULTIMATE.start_main_~x~4 17) (<= 17 ULTIMATE.start_main_~x~4)), 67387#(and (<= 20 ULTIMATE.start_main_~x~4) (<= ULTIMATE.start_main_~x~4 20)), 67386#(and (<= 19 ULTIMATE.start_main_~x~4) (<= ULTIMATE.start_main_~x~4 19)), 67389#(and (<= ULTIMATE.start_main_~x~4 22) (<= 22 ULTIMATE.start_main_~x~4)), 67388#(and (<= ULTIMATE.start_main_~x~4 21) (<= 21 ULTIMATE.start_main_~x~4)), 67391#(and (<= ULTIMATE.start_main_~x~4 24) (<= 24 ULTIMATE.start_main_~x~4)), 67390#(and (<= ULTIMATE.start_main_~x~4 23) (<= 23 ULTIMATE.start_main_~x~4)), 67393#(and (<= ULTIMATE.start_main_~x~4 26) (<= 26 ULTIMATE.start_main_~x~4)), 67392#(and (<= ULTIMATE.start_main_~x~4 25) (<= 25 ULTIMATE.start_main_~x~4)), 67395#(and (<= ULTIMATE.start_main_~x~4 28) (<= 28 ULTIMATE.start_main_~x~4)), 67394#(and (<= ULTIMATE.start_main_~x~4 27) (<= 27 ULTIMATE.start_main_~x~4)), 67397#(and (<= ULTIMATE.start_main_~x~4 30) (<= 30 ULTIMATE.start_main_~x~4)), 67396#(and (<= 29 ULTIMATE.start_main_~x~4) (<= ULTIMATE.start_main_~x~4 29)), 67399#(and (<= ULTIMATE.start_main_~x~4 32) (<= 32 ULTIMATE.start_main_~x~4)), 67398#(and (<= ULTIMATE.start_main_~x~4 31) (<= 31 ULTIMATE.start_main_~x~4)), 67401#(and (<= 34 ULTIMATE.start_main_~x~4) (<= ULTIMATE.start_main_~x~4 34)), 67400#(and (<= ULTIMATE.start_main_~x~4 33) (<= 33 ULTIMATE.start_main_~x~4)), 67403#(and (<= 36 ULTIMATE.start_main_~x~4) (<= ULTIMATE.start_main_~x~4 36)), 67402#(and (<= ULTIMATE.start_main_~x~4 35) (<= 35 ULTIMATE.start_main_~x~4)), 67405#(and (<= 38 ULTIMATE.start_main_~x~4) (<= ULTIMATE.start_main_~x~4 38)), 67404#(and (<= ULTIMATE.start_main_~x~4 37) (<= 37 ULTIMATE.start_main_~x~4)), 67407#(and (<= ULTIMATE.start_main_~x~4 40) (<= 40 ULTIMATE.start_main_~x~4)), 67406#(and (<= ULTIMATE.start_main_~x~4 39) (<= 39 ULTIMATE.start_main_~x~4)), 67409#(and (<= ULTIMATE.start_main_~x~4 42) (<= 42 ULTIMATE.start_main_~x~4)), 67408#(and (<= ULTIMATE.start_main_~x~4 41) (<= 41 ULTIMATE.start_main_~x~4)), 67411#(and (<= 44 ULTIMATE.start_main_~x~4) (<= ULTIMATE.start_main_~x~4 44)), 67410#(and (<= ULTIMATE.start_main_~x~4 43) (<= 43 ULTIMATE.start_main_~x~4)), 67413#(and (<= ULTIMATE.start_main_~x~4 46) (<= 46 ULTIMATE.start_main_~x~4)), 67412#(and (<= 45 ULTIMATE.start_main_~x~4) (<= ULTIMATE.start_main_~x~4 45)), 67415#(and (<= 48 ULTIMATE.start_main_~x~4) (<= ULTIMATE.start_main_~x~4 48)), 67414#(and (<= 47 ULTIMATE.start_main_~x~4) (<= ULTIMATE.start_main_~x~4 47)), 67417#(and (<= ULTIMATE.start_main_~x~4 50) (<= 50 ULTIMATE.start_main_~x~4)), 67416#(and (<= 49 ULTIMATE.start_main_~x~4) (<= ULTIMATE.start_main_~x~4 49)), 67419#(and (<= ULTIMATE.start_main_~x~4 52) (<= 52 ULTIMATE.start_main_~x~4)), 67418#(and (<= 51 ULTIMATE.start_main_~x~4) (<= ULTIMATE.start_main_~x~4 51)), 67421#(and (<= ULTIMATE.start_main_~x~4 54) (<= 54 ULTIMATE.start_main_~x~4)), 67420#(and (<= 53 ULTIMATE.start_main_~x~4) (<= ULTIMATE.start_main_~x~4 53)), 67423#(and (<= 56 ULTIMATE.start_main_~x~4) (<= ULTIMATE.start_main_~x~4 56)), 67422#(and (<= 55 ULTIMATE.start_main_~x~4) (<= ULTIMATE.start_main_~x~4 55)), 67425#(and (<= 58 ULTIMATE.start_main_~x~4) (<= ULTIMATE.start_main_~x~4 58)), 67424#(and (<= 57 ULTIMATE.start_main_~x~4) (<= ULTIMATE.start_main_~x~4 57)), 67427#(and (<= 60 ULTIMATE.start_main_~x~4) (<= ULTIMATE.start_main_~x~4 60)), 67426#(and (<= ULTIMATE.start_main_~x~4 59) (<= 59 ULTIMATE.start_main_~x~4)), 67429#(and (<= ULTIMATE.start_main_~x~4 62) (<= 62 ULTIMATE.start_main_~x~4)), 67428#(and (<= 61 ULTIMATE.start_main_~x~4) (<= ULTIMATE.start_main_~x~4 61)), 67431#(and (<= ULTIMATE.start_main_~x~4 64) (<= 64 ULTIMATE.start_main_~x~4)), 67430#(and (<= 63 ULTIMATE.start_main_~x~4) (<= ULTIMATE.start_main_~x~4 63)), 67433#(and (<= 66 ULTIMATE.start_main_~x~4) (<= ULTIMATE.start_main_~x~4 66)), 67432#(and (<= 65 ULTIMATE.start_main_~x~4) (<= ULTIMATE.start_main_~x~4 65)), 67435#(and (<= ULTIMATE.start_main_~x~4 68) (<= 68 ULTIMATE.start_main_~x~4)), 67434#(and (<= 67 ULTIMATE.start_main_~x~4) (<= ULTIMATE.start_main_~x~4 67)), 67437#(and (<= ULTIMATE.start_main_~x~4 70) (<= 70 ULTIMATE.start_main_~x~4)), 67436#(and (<= 69 ULTIMATE.start_main_~x~4) (<= ULTIMATE.start_main_~x~4 69)), 67439#(and (<= 72 ULTIMATE.start_main_~x~4) (<= ULTIMATE.start_main_~x~4 72)), 67438#(and (<= 71 ULTIMATE.start_main_~x~4) (<= ULTIMATE.start_main_~x~4 71)), 67441#(and (<= 74 ULTIMATE.start_main_~x~4) (<= ULTIMATE.start_main_~x~4 74)), 67440#(and (<= ULTIMATE.start_main_~x~4 73) (<= 73 ULTIMATE.start_main_~x~4)), 67443#(and (<= ULTIMATE.start_main_~x~4 76) (<= 76 ULTIMATE.start_main_~x~4)), 67442#(and (<= ULTIMATE.start_main_~x~4 75) (<= 75 ULTIMATE.start_main_~x~4)), 67445#(and (<= ULTIMATE.start_main_~x~4 78) (<= 78 ULTIMATE.start_main_~x~4)), 67444#(and (<= ULTIMATE.start_main_~x~4 77) (<= 77 ULTIMATE.start_main_~x~4)), 67447#(and (<= ULTIMATE.start_main_~x~4 80) (<= 80 ULTIMATE.start_main_~x~4)), 67446#(and (<= 79 ULTIMATE.start_main_~x~4) (<= ULTIMATE.start_main_~x~4 79)), 67449#(and (<= ULTIMATE.start_main_~x~4 82) (<= 82 ULTIMATE.start_main_~x~4)), 67448#(and (<= ULTIMATE.start_main_~x~4 81) (<= 81 ULTIMATE.start_main_~x~4)), 67451#(and (<= ULTIMATE.start_main_~x~4 84) (<= 84 ULTIMATE.start_main_~x~4)), 67450#(and (<= 83 ULTIMATE.start_main_~x~4) (<= ULTIMATE.start_main_~x~4 83)), 67453#(and (<= 86 ULTIMATE.start_main_~x~4) (<= ULTIMATE.start_main_~x~4 86)), 67452#(and (<= 85 ULTIMATE.start_main_~x~4) (<= ULTIMATE.start_main_~x~4 85)), 67455#(and (<= 88 ULTIMATE.start_main_~x~4) (<= ULTIMATE.start_main_~x~4 88)), 67454#(and (<= ULTIMATE.start_main_~x~4 87) (<= 87 ULTIMATE.start_main_~x~4)), 67457#(and (<= ULTIMATE.start_main_~x~4 90) (<= 90 ULTIMATE.start_main_~x~4)), 67456#(and (<= ULTIMATE.start_main_~x~4 89) (<= 89 ULTIMATE.start_main_~x~4)), 67459#(and (<= ULTIMATE.start_main_~x~4 92) (<= 92 ULTIMATE.start_main_~x~4)), 67458#(and (<= ULTIMATE.start_main_~x~4 91) (<= 91 ULTIMATE.start_main_~x~4)), 67461#(and (<= ULTIMATE.start_main_~x~4 94) (<= 94 ULTIMATE.start_main_~x~4)), 67460#(and (<= ULTIMATE.start_main_~x~4 93) (<= 93 ULTIMATE.start_main_~x~4)), 67463#(and (<= ULTIMATE.start_main_~x~4 96) (<= 96 ULTIMATE.start_main_~x~4)), 67462#(and (<= 95 ULTIMATE.start_main_~x~4) (<= ULTIMATE.start_main_~x~4 95)), 67465#(and (<= ULTIMATE.start_main_~x~4 98) (<= 98 ULTIMATE.start_main_~x~4)), 67464#(and (<= 97 ULTIMATE.start_main_~x~4) (<= ULTIMATE.start_main_~x~4 97)), 67467#(and (<= ULTIMATE.start_main_~x~4 100) (<= 100 ULTIMATE.start_main_~x~4)), 67466#(and (<= 99 ULTIMATE.start_main_~x~4) (<= ULTIMATE.start_main_~x~4 99)), 67469#(and (<= 102 ULTIMATE.start_main_~x~4) (<= ULTIMATE.start_main_~x~4 102)), 67468#(and (<= ULTIMATE.start_main_~x~4 101) (<= 101 ULTIMATE.start_main_~x~4)), 67471#(and (<= ULTIMATE.start_main_~x~4 104) (<= 104 ULTIMATE.start_main_~x~4)), 67470#(and (<= 103 ULTIMATE.start_main_~x~4) (<= ULTIMATE.start_main_~x~4 103)), 67473#(and (<= 106 ULTIMATE.start_main_~x~4) (<= ULTIMATE.start_main_~x~4 106)), 67472#(and (<= 105 ULTIMATE.start_main_~x~4) (<= ULTIMATE.start_main_~x~4 105)), 67475#(and (<= 108 ULTIMATE.start_main_~x~4) (<= ULTIMATE.start_main_~x~4 108)), 67474#(and (<= 107 ULTIMATE.start_main_~x~4) (<= ULTIMATE.start_main_~x~4 107)), 67477#(and (<= 110 ULTIMATE.start_main_~x~4) (<= ULTIMATE.start_main_~x~4 110)), 67476#(and (<= ULTIMATE.start_main_~x~4 109) (<= 109 ULTIMATE.start_main_~x~4)), 67479#(and (<= ULTIMATE.start_main_~x~4 112) (<= 112 ULTIMATE.start_main_~x~4)), 67478#(and (<= ULTIMATE.start_main_~x~4 111) (<= 111 ULTIMATE.start_main_~x~4)), 67481#(and (<= ULTIMATE.start_main_~x~4 114) (<= 114 ULTIMATE.start_main_~x~4)), 67480#(and (<= 113 ULTIMATE.start_main_~x~4) (<= ULTIMATE.start_main_~x~4 113)), 67483#(and (<= ULTIMATE.start_main_~x~4 116) (<= 116 ULTIMATE.start_main_~x~4)), 67482#(and (<= ULTIMATE.start_main_~x~4 115) (<= 115 ULTIMATE.start_main_~x~4)), 67485#(and (<= 118 ULTIMATE.start_main_~x~4) (<= ULTIMATE.start_main_~x~4 118)), 67484#(and (<= ULTIMATE.start_main_~x~4 117) (<= 117 ULTIMATE.start_main_~x~4)), 67486#(and (<= 119 ULTIMATE.start_main_~x~4) (<= ULTIMATE.start_main_~x~4 119))] [2018-07-23 13:51:23,065 INFO L134 CoverageAnalysis]: Checked inductivity of 14280 backedges. 0 proven. 14280 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-07-23 13:51:23,065 INFO L450 AbstractCegarLoop]: Interpolant automaton has 122 states [2018-07-23 13:51:23,065 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 122 interpolants. [2018-07-23 13:51:23,066 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=241, Invalid=14521, Unknown=0, NotChecked=0, Total=14762 [2018-07-23 13:51:23,066 INFO L87 Difference]: Start difference. First operand 243 states and 243 transitions. Second operand 122 states. [2018-07-23 13:51:24,076 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-07-23 13:51:24,077 INFO L93 Difference]: Finished difference Result 247 states and 247 transitions. [2018-07-23 13:51:24,077 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 122 states. [2018-07-23 13:51:24,077 INFO L78 Accepts]: Start accepts. Automaton has 122 states. Word has length 242 [2018-07-23 13:51:24,077 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-07-23 13:51:24,078 INFO L225 Difference]: With dead ends: 247 [2018-07-23 13:51:24,078 INFO L226 Difference]: Without dead ends: 245 [2018-07-23 13:51:24,078 INFO L575 BasicCegarLoop]: 0 DeclaredPredicates, 121 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 120 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.6s TimeCoverageRelationStatistics Valid=241, Invalid=14521, Unknown=0, NotChecked=0, Total=14762 [2018-07-23 13:51:24,078 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 245 states. [2018-07-23 13:51:24,084 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 245 to 245. [2018-07-23 13:51:24,084 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 245 states. [2018-07-23 13:51:24,085 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 245 states to 245 states and 245 transitions. [2018-07-23 13:51:24,085 INFO L78 Accepts]: Start accepts. Automaton has 245 states and 245 transitions. Word has length 242 [2018-07-23 13:51:24,085 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-07-23 13:51:24,085 INFO L471 AbstractCegarLoop]: Abstraction has 245 states and 245 transitions. [2018-07-23 13:51:24,085 INFO L472 AbstractCegarLoop]: Interpolant automaton has 122 states. [2018-07-23 13:51:24,085 INFO L276 IsEmpty]: Start isEmpty. Operand 245 states and 245 transitions. [2018-07-23 13:51:24,086 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 245 [2018-07-23 13:51:24,086 INFO L349 BasicCegarLoop]: Found error trace [2018-07-23 13:51:24,086 INFO L357 BasicCegarLoop]: trace histogram [121, 120, 1, 1, 1] [2018-07-23 13:51:24,086 INFO L414 AbstractCegarLoop]: === Iteration 121 === [ULTIMATE.startErr0AssertViolationASSERT]=== [2018-07-23 13:51:24,086 INFO L82 PathProgramCache]: Analyzing trace with hash 1402406135, now seen corresponding path program 120 times [2018-07-23 13:51:24,086 INFO L69 tionRefinementEngine]: Using refinement strategy FixedRefinementStrategy [2018-07-23 13:51:24,252 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-07-23 13:51:25,000 INFO L134 CoverageAnalysis]: Checked inductivity of 14520 backedges. 0 proven. 14520 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-07-23 13:51:25,001 INFO L309 seRefinementStrategy]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2018-07-23 13:51:25,001 INFO L324 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [122] total 122 [2018-07-23 13:51:25,001 INFO L142 lantAutomatonBuilder]: Constructing canonical interpolant automaton, with selfloop in false state [2018-07-23 13:51:25,001 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-07-23 13:51:25,001 INFO L185 omatonBuilderFactory]: Interpolants [68471#true, 68473#(and (<= ULTIMATE.start_main_~x~4 0) (<= 0 ULTIMATE.start_main_~x~4)), 68472#false, 68475#(and (<= 2 ULTIMATE.start_main_~x~4) (<= ULTIMATE.start_main_~x~4 2)), 68474#(and (<= ULTIMATE.start_main_~x~4 1) (<= 1 ULTIMATE.start_main_~x~4)), 68477#(and (<= ULTIMATE.start_main_~x~4 4) (<= 4 ULTIMATE.start_main_~x~4)), 68476#(and (<= 3 ULTIMATE.start_main_~x~4) (<= ULTIMATE.start_main_~x~4 3)), 68479#(and (<= 6 ULTIMATE.start_main_~x~4) (<= ULTIMATE.start_main_~x~4 6)), 68478#(and (<= ULTIMATE.start_main_~x~4 5) (<= 5 ULTIMATE.start_main_~x~4)), 68481#(and (<= ULTIMATE.start_main_~x~4 8) (<= 8 ULTIMATE.start_main_~x~4)), 68480#(and (<= ULTIMATE.start_main_~x~4 7) (<= 7 ULTIMATE.start_main_~x~4)), 68483#(and (<= ULTIMATE.start_main_~x~4 10) (<= 10 ULTIMATE.start_main_~x~4)), 68482#(and (<= 9 ULTIMATE.start_main_~x~4) (<= ULTIMATE.start_main_~x~4 9)), 68485#(and (<= 12 ULTIMATE.start_main_~x~4) (<= ULTIMATE.start_main_~x~4 12)), 68484#(and (<= ULTIMATE.start_main_~x~4 11) (<= 11 ULTIMATE.start_main_~x~4)), 68487#(and (<= 14 ULTIMATE.start_main_~x~4) (<= ULTIMATE.start_main_~x~4 14)), 68486#(and (<= ULTIMATE.start_main_~x~4 13) (<= 13 ULTIMATE.start_main_~x~4)), 68489#(and (<= ULTIMATE.start_main_~x~4 16) (<= 16 ULTIMATE.start_main_~x~4)), 68488#(and (<= 15 ULTIMATE.start_main_~x~4) (<= ULTIMATE.start_main_~x~4 15)), 68491#(and (<= 18 ULTIMATE.start_main_~x~4) (<= ULTIMATE.start_main_~x~4 18)), 68490#(and (<= ULTIMATE.start_main_~x~4 17) (<= 17 ULTIMATE.start_main_~x~4)), 68493#(and (<= 20 ULTIMATE.start_main_~x~4) (<= ULTIMATE.start_main_~x~4 20)), 68492#(and (<= 19 ULTIMATE.start_main_~x~4) (<= ULTIMATE.start_main_~x~4 19)), 68495#(and (<= ULTIMATE.start_main_~x~4 22) (<= 22 ULTIMATE.start_main_~x~4)), 68494#(and (<= ULTIMATE.start_main_~x~4 21) (<= 21 ULTIMATE.start_main_~x~4)), 68497#(and (<= ULTIMATE.start_main_~x~4 24) (<= 24 ULTIMATE.start_main_~x~4)), 68496#(and (<= ULTIMATE.start_main_~x~4 23) (<= 23 ULTIMATE.start_main_~x~4)), 68499#(and (<= ULTIMATE.start_main_~x~4 26) (<= 26 ULTIMATE.start_main_~x~4)), 68498#(and (<= ULTIMATE.start_main_~x~4 25) (<= 25 ULTIMATE.start_main_~x~4)), 68501#(and (<= ULTIMATE.start_main_~x~4 28) (<= 28 ULTIMATE.start_main_~x~4)), 68500#(and (<= ULTIMATE.start_main_~x~4 27) (<= 27 ULTIMATE.start_main_~x~4)), 68503#(and (<= ULTIMATE.start_main_~x~4 30) (<= 30 ULTIMATE.start_main_~x~4)), 68502#(and (<= 29 ULTIMATE.start_main_~x~4) (<= ULTIMATE.start_main_~x~4 29)), 68505#(and (<= ULTIMATE.start_main_~x~4 32) (<= 32 ULTIMATE.start_main_~x~4)), 68504#(and (<= ULTIMATE.start_main_~x~4 31) (<= 31 ULTIMATE.start_main_~x~4)), 68507#(and (<= 34 ULTIMATE.start_main_~x~4) (<= ULTIMATE.start_main_~x~4 34)), 68506#(and (<= ULTIMATE.start_main_~x~4 33) (<= 33 ULTIMATE.start_main_~x~4)), 68509#(and (<= 36 ULTIMATE.start_main_~x~4) (<= ULTIMATE.start_main_~x~4 36)), 68508#(and (<= ULTIMATE.start_main_~x~4 35) (<= 35 ULTIMATE.start_main_~x~4)), 68511#(and (<= 38 ULTIMATE.start_main_~x~4) (<= ULTIMATE.start_main_~x~4 38)), 68510#(and (<= ULTIMATE.start_main_~x~4 37) (<= 37 ULTIMATE.start_main_~x~4)), 68513#(and (<= ULTIMATE.start_main_~x~4 40) (<= 40 ULTIMATE.start_main_~x~4)), 68512#(and (<= ULTIMATE.start_main_~x~4 39) (<= 39 ULTIMATE.start_main_~x~4)), 68515#(and (<= ULTIMATE.start_main_~x~4 42) (<= 42 ULTIMATE.start_main_~x~4)), 68514#(and (<= ULTIMATE.start_main_~x~4 41) (<= 41 ULTIMATE.start_main_~x~4)), 68517#(and (<= 44 ULTIMATE.start_main_~x~4) (<= ULTIMATE.start_main_~x~4 44)), 68516#(and (<= ULTIMATE.start_main_~x~4 43) (<= 43 ULTIMATE.start_main_~x~4)), 68519#(and (<= ULTIMATE.start_main_~x~4 46) (<= 46 ULTIMATE.start_main_~x~4)), 68518#(and (<= 45 ULTIMATE.start_main_~x~4) (<= ULTIMATE.start_main_~x~4 45)), 68521#(and (<= 48 ULTIMATE.start_main_~x~4) (<= ULTIMATE.start_main_~x~4 48)), 68520#(and (<= 47 ULTIMATE.start_main_~x~4) (<= ULTIMATE.start_main_~x~4 47)), 68523#(and (<= ULTIMATE.start_main_~x~4 50) (<= 50 ULTIMATE.start_main_~x~4)), 68522#(and (<= 49 ULTIMATE.start_main_~x~4) (<= ULTIMATE.start_main_~x~4 49)), 68525#(and (<= ULTIMATE.start_main_~x~4 52) (<= 52 ULTIMATE.start_main_~x~4)), 68524#(and (<= 51 ULTIMATE.start_main_~x~4) (<= ULTIMATE.start_main_~x~4 51)), 68527#(and (<= ULTIMATE.start_main_~x~4 54) (<= 54 ULTIMATE.start_main_~x~4)), 68526#(and (<= 53 ULTIMATE.start_main_~x~4) (<= ULTIMATE.start_main_~x~4 53)), 68529#(and (<= 56 ULTIMATE.start_main_~x~4) (<= ULTIMATE.start_main_~x~4 56)), 68528#(and (<= 55 ULTIMATE.start_main_~x~4) (<= ULTIMATE.start_main_~x~4 55)), 68531#(and (<= 58 ULTIMATE.start_main_~x~4) (<= ULTIMATE.start_main_~x~4 58)), 68530#(and (<= 57 ULTIMATE.start_main_~x~4) (<= ULTIMATE.start_main_~x~4 57)), 68533#(and (<= 60 ULTIMATE.start_main_~x~4) (<= ULTIMATE.start_main_~x~4 60)), 68532#(and (<= ULTIMATE.start_main_~x~4 59) (<= 59 ULTIMATE.start_main_~x~4)), 68535#(and (<= ULTIMATE.start_main_~x~4 62) (<= 62 ULTIMATE.start_main_~x~4)), 68534#(and (<= 61 ULTIMATE.start_main_~x~4) (<= ULTIMATE.start_main_~x~4 61)), 68537#(and (<= ULTIMATE.start_main_~x~4 64) (<= 64 ULTIMATE.start_main_~x~4)), 68536#(and (<= 63 ULTIMATE.start_main_~x~4) (<= ULTIMATE.start_main_~x~4 63)), 68539#(and (<= 66 ULTIMATE.start_main_~x~4) (<= ULTIMATE.start_main_~x~4 66)), 68538#(and (<= 65 ULTIMATE.start_main_~x~4) (<= ULTIMATE.start_main_~x~4 65)), 68541#(and (<= ULTIMATE.start_main_~x~4 68) (<= 68 ULTIMATE.start_main_~x~4)), 68540#(and (<= 67 ULTIMATE.start_main_~x~4) (<= ULTIMATE.start_main_~x~4 67)), 68543#(and (<= ULTIMATE.start_main_~x~4 70) (<= 70 ULTIMATE.start_main_~x~4)), 68542#(and (<= 69 ULTIMATE.start_main_~x~4) (<= ULTIMATE.start_main_~x~4 69)), 68545#(and (<= 72 ULTIMATE.start_main_~x~4) (<= ULTIMATE.start_main_~x~4 72)), 68544#(and (<= 71 ULTIMATE.start_main_~x~4) (<= ULTIMATE.start_main_~x~4 71)), 68547#(and (<= 74 ULTIMATE.start_main_~x~4) (<= ULTIMATE.start_main_~x~4 74)), 68546#(and (<= ULTIMATE.start_main_~x~4 73) (<= 73 ULTIMATE.start_main_~x~4)), 68549#(and (<= ULTIMATE.start_main_~x~4 76) (<= 76 ULTIMATE.start_main_~x~4)), 68548#(and (<= ULTIMATE.start_main_~x~4 75) (<= 75 ULTIMATE.start_main_~x~4)), 68551#(and (<= ULTIMATE.start_main_~x~4 78) (<= 78 ULTIMATE.start_main_~x~4)), 68550#(and (<= ULTIMATE.start_main_~x~4 77) (<= 77 ULTIMATE.start_main_~x~4)), 68553#(and (<= ULTIMATE.start_main_~x~4 80) (<= 80 ULTIMATE.start_main_~x~4)), 68552#(and (<= 79 ULTIMATE.start_main_~x~4) (<= ULTIMATE.start_main_~x~4 79)), 68555#(and (<= ULTIMATE.start_main_~x~4 82) (<= 82 ULTIMATE.start_main_~x~4)), 68554#(and (<= ULTIMATE.start_main_~x~4 81) (<= 81 ULTIMATE.start_main_~x~4)), 68557#(and (<= ULTIMATE.start_main_~x~4 84) (<= 84 ULTIMATE.start_main_~x~4)), 68556#(and (<= 83 ULTIMATE.start_main_~x~4) (<= ULTIMATE.start_main_~x~4 83)), 68559#(and (<= 86 ULTIMATE.start_main_~x~4) (<= ULTIMATE.start_main_~x~4 86)), 68558#(and (<= 85 ULTIMATE.start_main_~x~4) (<= ULTIMATE.start_main_~x~4 85)), 68561#(and (<= 88 ULTIMATE.start_main_~x~4) (<= ULTIMATE.start_main_~x~4 88)), 68560#(and (<= ULTIMATE.start_main_~x~4 87) (<= 87 ULTIMATE.start_main_~x~4)), 68563#(and (<= ULTIMATE.start_main_~x~4 90) (<= 90 ULTIMATE.start_main_~x~4)), 68562#(and (<= ULTIMATE.start_main_~x~4 89) (<= 89 ULTIMATE.start_main_~x~4)), 68565#(and (<= ULTIMATE.start_main_~x~4 92) (<= 92 ULTIMATE.start_main_~x~4)), 68564#(and (<= ULTIMATE.start_main_~x~4 91) (<= 91 ULTIMATE.start_main_~x~4)), 68567#(and (<= ULTIMATE.start_main_~x~4 94) (<= 94 ULTIMATE.start_main_~x~4)), 68566#(and (<= ULTIMATE.start_main_~x~4 93) (<= 93 ULTIMATE.start_main_~x~4)), 68569#(and (<= ULTIMATE.start_main_~x~4 96) (<= 96 ULTIMATE.start_main_~x~4)), 68568#(and (<= 95 ULTIMATE.start_main_~x~4) (<= ULTIMATE.start_main_~x~4 95)), 68571#(and (<= ULTIMATE.start_main_~x~4 98) (<= 98 ULTIMATE.start_main_~x~4)), 68570#(and (<= 97 ULTIMATE.start_main_~x~4) (<= ULTIMATE.start_main_~x~4 97)), 68573#(and (<= ULTIMATE.start_main_~x~4 100) (<= 100 ULTIMATE.start_main_~x~4)), 68572#(and (<= 99 ULTIMATE.start_main_~x~4) (<= ULTIMATE.start_main_~x~4 99)), 68575#(and (<= 102 ULTIMATE.start_main_~x~4) (<= ULTIMATE.start_main_~x~4 102)), 68574#(and (<= ULTIMATE.start_main_~x~4 101) (<= 101 ULTIMATE.start_main_~x~4)), 68577#(and (<= ULTIMATE.start_main_~x~4 104) (<= 104 ULTIMATE.start_main_~x~4)), 68576#(and (<= 103 ULTIMATE.start_main_~x~4) (<= ULTIMATE.start_main_~x~4 103)), 68579#(and (<= 106 ULTIMATE.start_main_~x~4) (<= ULTIMATE.start_main_~x~4 106)), 68578#(and (<= 105 ULTIMATE.start_main_~x~4) (<= ULTIMATE.start_main_~x~4 105)), 68581#(and (<= 108 ULTIMATE.start_main_~x~4) (<= ULTIMATE.start_main_~x~4 108)), 68580#(and (<= 107 ULTIMATE.start_main_~x~4) (<= ULTIMATE.start_main_~x~4 107)), 68583#(and (<= 110 ULTIMATE.start_main_~x~4) (<= ULTIMATE.start_main_~x~4 110)), 68582#(and (<= ULTIMATE.start_main_~x~4 109) (<= 109 ULTIMATE.start_main_~x~4)), 68585#(and (<= ULTIMATE.start_main_~x~4 112) (<= 112 ULTIMATE.start_main_~x~4)), 68584#(and (<= ULTIMATE.start_main_~x~4 111) (<= 111 ULTIMATE.start_main_~x~4)), 68587#(and (<= ULTIMATE.start_main_~x~4 114) (<= 114 ULTIMATE.start_main_~x~4)), 68586#(and (<= 113 ULTIMATE.start_main_~x~4) (<= ULTIMATE.start_main_~x~4 113)), 68589#(and (<= ULTIMATE.start_main_~x~4 116) (<= 116 ULTIMATE.start_main_~x~4)), 68588#(and (<= ULTIMATE.start_main_~x~4 115) (<= 115 ULTIMATE.start_main_~x~4)), 68591#(and (<= 118 ULTIMATE.start_main_~x~4) (<= ULTIMATE.start_main_~x~4 118)), 68590#(and (<= ULTIMATE.start_main_~x~4 117) (<= 117 ULTIMATE.start_main_~x~4)), 68593#(and (<= 120 ULTIMATE.start_main_~x~4) (<= ULTIMATE.start_main_~x~4 120)), 68592#(and (<= 119 ULTIMATE.start_main_~x~4) (<= ULTIMATE.start_main_~x~4 119))] [2018-07-23 13:51:25,002 INFO L134 CoverageAnalysis]: Checked inductivity of 14520 backedges. 0 proven. 14520 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-07-23 13:51:25,002 INFO L450 AbstractCegarLoop]: Interpolant automaton has 123 states [2018-07-23 13:51:25,003 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 123 interpolants. [2018-07-23 13:51:25,003 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=243, Invalid=14763, Unknown=0, NotChecked=0, Total=15006 [2018-07-23 13:51:25,003 INFO L87 Difference]: Start difference. First operand 245 states and 245 transitions. Second operand 123 states. [2018-07-23 13:51:26,069 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-07-23 13:51:26,069 INFO L93 Difference]: Finished difference Result 249 states and 249 transitions. [2018-07-23 13:51:26,069 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 123 states. [2018-07-23 13:51:26,070 INFO L78 Accepts]: Start accepts. Automaton has 123 states. Word has length 244 [2018-07-23 13:51:26,070 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-07-23 13:51:26,070 INFO L225 Difference]: With dead ends: 249 [2018-07-23 13:51:26,070 INFO L226 Difference]: Without dead ends: 247 [2018-07-23 13:51:26,072 INFO L575 BasicCegarLoop]: 0 DeclaredPredicates, 122 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 121 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.5s TimeCoverageRelationStatistics Valid=243, Invalid=14763, Unknown=0, NotChecked=0, Total=15006 [2018-07-23 13:51:26,072 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 247 states. [2018-07-23 13:51:26,079 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 247 to 247. [2018-07-23 13:51:26,079 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 247 states. [2018-07-23 13:51:26,079 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 247 states to 247 states and 247 transitions. [2018-07-23 13:51:26,079 INFO L78 Accepts]: Start accepts. Automaton has 247 states and 247 transitions. Word has length 244 [2018-07-23 13:51:26,079 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-07-23 13:51:26,079 INFO L471 AbstractCegarLoop]: Abstraction has 247 states and 247 transitions. [2018-07-23 13:51:26,079 INFO L472 AbstractCegarLoop]: Interpolant automaton has 123 states. [2018-07-23 13:51:26,080 INFO L276 IsEmpty]: Start isEmpty. Operand 247 states and 247 transitions. [2018-07-23 13:51:26,080 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 247 [2018-07-23 13:51:26,080 INFO L349 BasicCegarLoop]: Found error trace [2018-07-23 13:51:26,080 INFO L357 BasicCegarLoop]: trace histogram [122, 121, 1, 1, 1] [2018-07-23 13:51:26,080 INFO L414 AbstractCegarLoop]: === Iteration 122 === [ULTIMATE.startErr0AssertViolationASSERT]=== [2018-07-23 13:51:26,081 INFO L82 PathProgramCache]: Analyzing trace with hash -907383119, now seen corresponding path program 121 times [2018-07-23 13:51:26,081 INFO L69 tionRefinementEngine]: Using refinement strategy FixedRefinementStrategy [2018-07-23 13:51:26,247 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-07-23 13:51:27,045 INFO L134 CoverageAnalysis]: Checked inductivity of 14762 backedges. 0 proven. 14762 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-07-23 13:51:27,046 INFO L309 seRefinementStrategy]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2018-07-23 13:51:27,046 INFO L324 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [123] total 123 [2018-07-23 13:51:27,046 INFO L142 lantAutomatonBuilder]: Constructing canonical interpolant automaton, with selfloop in false state [2018-07-23 13:51:27,046 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-07-23 13:51:27,046 INFO L185 omatonBuilderFactory]: Interpolants [69633#(and (<= 45 ULTIMATE.start_main_~x~4) (<= ULTIMATE.start_main_~x~4 45)), 69632#(and (<= 44 ULTIMATE.start_main_~x~4) (<= ULTIMATE.start_main_~x~4 44)), 69635#(and (<= 47 ULTIMATE.start_main_~x~4) (<= ULTIMATE.start_main_~x~4 47)), 69634#(and (<= ULTIMATE.start_main_~x~4 46) (<= 46 ULTIMATE.start_main_~x~4)), 69637#(and (<= 49 ULTIMATE.start_main_~x~4) (<= ULTIMATE.start_main_~x~4 49)), 69636#(and (<= 48 ULTIMATE.start_main_~x~4) (<= ULTIMATE.start_main_~x~4 48)), 69639#(and (<= 51 ULTIMATE.start_main_~x~4) (<= ULTIMATE.start_main_~x~4 51)), 69638#(and (<= ULTIMATE.start_main_~x~4 50) (<= 50 ULTIMATE.start_main_~x~4)), 69641#(and (<= 53 ULTIMATE.start_main_~x~4) (<= ULTIMATE.start_main_~x~4 53)), 69640#(and (<= ULTIMATE.start_main_~x~4 52) (<= 52 ULTIMATE.start_main_~x~4)), 69643#(and (<= 55 ULTIMATE.start_main_~x~4) (<= ULTIMATE.start_main_~x~4 55)), 69642#(and (<= ULTIMATE.start_main_~x~4 54) (<= 54 ULTIMATE.start_main_~x~4)), 69645#(and (<= 57 ULTIMATE.start_main_~x~4) (<= ULTIMATE.start_main_~x~4 57)), 69644#(and (<= 56 ULTIMATE.start_main_~x~4) (<= ULTIMATE.start_main_~x~4 56)), 69647#(and (<= ULTIMATE.start_main_~x~4 59) (<= 59 ULTIMATE.start_main_~x~4)), 69646#(and (<= 58 ULTIMATE.start_main_~x~4) (<= ULTIMATE.start_main_~x~4 58)), 69649#(and (<= 61 ULTIMATE.start_main_~x~4) (<= ULTIMATE.start_main_~x~4 61)), 69648#(and (<= 60 ULTIMATE.start_main_~x~4) (<= ULTIMATE.start_main_~x~4 60)), 69651#(and (<= 63 ULTIMATE.start_main_~x~4) (<= ULTIMATE.start_main_~x~4 63)), 69650#(and (<= ULTIMATE.start_main_~x~4 62) (<= 62 ULTIMATE.start_main_~x~4)), 69653#(and (<= 65 ULTIMATE.start_main_~x~4) (<= ULTIMATE.start_main_~x~4 65)), 69652#(and (<= ULTIMATE.start_main_~x~4 64) (<= 64 ULTIMATE.start_main_~x~4)), 69655#(and (<= 67 ULTIMATE.start_main_~x~4) (<= ULTIMATE.start_main_~x~4 67)), 69654#(and (<= 66 ULTIMATE.start_main_~x~4) (<= ULTIMATE.start_main_~x~4 66)), 69657#(and (<= 69 ULTIMATE.start_main_~x~4) (<= ULTIMATE.start_main_~x~4 69)), 69656#(and (<= ULTIMATE.start_main_~x~4 68) (<= 68 ULTIMATE.start_main_~x~4)), 69659#(and (<= 71 ULTIMATE.start_main_~x~4) (<= ULTIMATE.start_main_~x~4 71)), 69658#(and (<= ULTIMATE.start_main_~x~4 70) (<= 70 ULTIMATE.start_main_~x~4)), 69661#(and (<= ULTIMATE.start_main_~x~4 73) (<= 73 ULTIMATE.start_main_~x~4)), 69660#(and (<= 72 ULTIMATE.start_main_~x~4) (<= ULTIMATE.start_main_~x~4 72)), 69663#(and (<= ULTIMATE.start_main_~x~4 75) (<= 75 ULTIMATE.start_main_~x~4)), 69662#(and (<= 74 ULTIMATE.start_main_~x~4) (<= ULTIMATE.start_main_~x~4 74)), 69665#(and (<= ULTIMATE.start_main_~x~4 77) (<= 77 ULTIMATE.start_main_~x~4)), 69664#(and (<= ULTIMATE.start_main_~x~4 76) (<= 76 ULTIMATE.start_main_~x~4)), 69667#(and (<= 79 ULTIMATE.start_main_~x~4) (<= ULTIMATE.start_main_~x~4 79)), 69666#(and (<= ULTIMATE.start_main_~x~4 78) (<= 78 ULTIMATE.start_main_~x~4)), 69669#(and (<= ULTIMATE.start_main_~x~4 81) (<= 81 ULTIMATE.start_main_~x~4)), 69668#(and (<= ULTIMATE.start_main_~x~4 80) (<= 80 ULTIMATE.start_main_~x~4)), 69671#(and (<= 83 ULTIMATE.start_main_~x~4) (<= ULTIMATE.start_main_~x~4 83)), 69670#(and (<= ULTIMATE.start_main_~x~4 82) (<= 82 ULTIMATE.start_main_~x~4)), 69673#(and (<= 85 ULTIMATE.start_main_~x~4) (<= ULTIMATE.start_main_~x~4 85)), 69672#(and (<= ULTIMATE.start_main_~x~4 84) (<= 84 ULTIMATE.start_main_~x~4)), 69675#(and (<= ULTIMATE.start_main_~x~4 87) (<= 87 ULTIMATE.start_main_~x~4)), 69674#(and (<= 86 ULTIMATE.start_main_~x~4) (<= ULTIMATE.start_main_~x~4 86)), 69677#(and (<= ULTIMATE.start_main_~x~4 89) (<= 89 ULTIMATE.start_main_~x~4)), 69676#(and (<= 88 ULTIMATE.start_main_~x~4) (<= ULTIMATE.start_main_~x~4 88)), 69679#(and (<= ULTIMATE.start_main_~x~4 91) (<= 91 ULTIMATE.start_main_~x~4)), 69678#(and (<= ULTIMATE.start_main_~x~4 90) (<= 90 ULTIMATE.start_main_~x~4)), 69681#(and (<= ULTIMATE.start_main_~x~4 93) (<= 93 ULTIMATE.start_main_~x~4)), 69680#(and (<= ULTIMATE.start_main_~x~4 92) (<= 92 ULTIMATE.start_main_~x~4)), 69683#(and (<= 95 ULTIMATE.start_main_~x~4) (<= ULTIMATE.start_main_~x~4 95)), 69682#(and (<= ULTIMATE.start_main_~x~4 94) (<= 94 ULTIMATE.start_main_~x~4)), 69685#(and (<= 97 ULTIMATE.start_main_~x~4) (<= ULTIMATE.start_main_~x~4 97)), 69684#(and (<= ULTIMATE.start_main_~x~4 96) (<= 96 ULTIMATE.start_main_~x~4)), 69687#(and (<= 99 ULTIMATE.start_main_~x~4) (<= ULTIMATE.start_main_~x~4 99)), 69686#(and (<= ULTIMATE.start_main_~x~4 98) (<= 98 ULTIMATE.start_main_~x~4)), 69689#(and (<= ULTIMATE.start_main_~x~4 101) (<= 101 ULTIMATE.start_main_~x~4)), 69688#(and (<= ULTIMATE.start_main_~x~4 100) (<= 100 ULTIMATE.start_main_~x~4)), 69691#(and (<= 103 ULTIMATE.start_main_~x~4) (<= ULTIMATE.start_main_~x~4 103)), 69690#(and (<= 102 ULTIMATE.start_main_~x~4) (<= ULTIMATE.start_main_~x~4 102)), 69693#(and (<= 105 ULTIMATE.start_main_~x~4) (<= ULTIMATE.start_main_~x~4 105)), 69692#(and (<= ULTIMATE.start_main_~x~4 104) (<= 104 ULTIMATE.start_main_~x~4)), 69695#(and (<= 107 ULTIMATE.start_main_~x~4) (<= ULTIMATE.start_main_~x~4 107)), 69694#(and (<= 106 ULTIMATE.start_main_~x~4) (<= ULTIMATE.start_main_~x~4 106)), 69697#(and (<= ULTIMATE.start_main_~x~4 109) (<= 109 ULTIMATE.start_main_~x~4)), 69696#(and (<= 108 ULTIMATE.start_main_~x~4) (<= ULTIMATE.start_main_~x~4 108)), 69699#(and (<= ULTIMATE.start_main_~x~4 111) (<= 111 ULTIMATE.start_main_~x~4)), 69698#(and (<= 110 ULTIMATE.start_main_~x~4) (<= ULTIMATE.start_main_~x~4 110)), 69701#(and (<= 113 ULTIMATE.start_main_~x~4) (<= ULTIMATE.start_main_~x~4 113)), 69700#(and (<= ULTIMATE.start_main_~x~4 112) (<= 112 ULTIMATE.start_main_~x~4)), 69703#(and (<= ULTIMATE.start_main_~x~4 115) (<= 115 ULTIMATE.start_main_~x~4)), 69702#(and (<= ULTIMATE.start_main_~x~4 114) (<= 114 ULTIMATE.start_main_~x~4)), 69705#(and (<= ULTIMATE.start_main_~x~4 117) (<= 117 ULTIMATE.start_main_~x~4)), 69704#(and (<= ULTIMATE.start_main_~x~4 116) (<= 116 ULTIMATE.start_main_~x~4)), 69707#(and (<= 119 ULTIMATE.start_main_~x~4) (<= ULTIMATE.start_main_~x~4 119)), 69706#(and (<= 118 ULTIMATE.start_main_~x~4) (<= ULTIMATE.start_main_~x~4 118)), 69709#(and (<= 121 ULTIMATE.start_main_~x~4) (<= ULTIMATE.start_main_~x~4 121)), 69708#(and (<= 120 ULTIMATE.start_main_~x~4) (<= ULTIMATE.start_main_~x~4 120)), 69587#false, 69586#true, 69589#(and (<= ULTIMATE.start_main_~x~4 1) (<= 1 ULTIMATE.start_main_~x~4)), 69588#(and (<= ULTIMATE.start_main_~x~4 0) (<= 0 ULTIMATE.start_main_~x~4)), 69591#(and (<= 3 ULTIMATE.start_main_~x~4) (<= ULTIMATE.start_main_~x~4 3)), 69590#(and (<= 2 ULTIMATE.start_main_~x~4) (<= ULTIMATE.start_main_~x~4 2)), 69593#(and (<= ULTIMATE.start_main_~x~4 5) (<= 5 ULTIMATE.start_main_~x~4)), 69592#(and (<= ULTIMATE.start_main_~x~4 4) (<= 4 ULTIMATE.start_main_~x~4)), 69595#(and (<= ULTIMATE.start_main_~x~4 7) (<= 7 ULTIMATE.start_main_~x~4)), 69594#(and (<= 6 ULTIMATE.start_main_~x~4) (<= ULTIMATE.start_main_~x~4 6)), 69597#(and (<= 9 ULTIMATE.start_main_~x~4) (<= ULTIMATE.start_main_~x~4 9)), 69596#(and (<= ULTIMATE.start_main_~x~4 8) (<= 8 ULTIMATE.start_main_~x~4)), 69599#(and (<= ULTIMATE.start_main_~x~4 11) (<= 11 ULTIMATE.start_main_~x~4)), 69598#(and (<= ULTIMATE.start_main_~x~4 10) (<= 10 ULTIMATE.start_main_~x~4)), 69601#(and (<= ULTIMATE.start_main_~x~4 13) (<= 13 ULTIMATE.start_main_~x~4)), 69600#(and (<= 12 ULTIMATE.start_main_~x~4) (<= ULTIMATE.start_main_~x~4 12)), 69603#(and (<= 15 ULTIMATE.start_main_~x~4) (<= ULTIMATE.start_main_~x~4 15)), 69602#(and (<= 14 ULTIMATE.start_main_~x~4) (<= ULTIMATE.start_main_~x~4 14)), 69605#(and (<= ULTIMATE.start_main_~x~4 17) (<= 17 ULTIMATE.start_main_~x~4)), 69604#(and (<= ULTIMATE.start_main_~x~4 16) (<= 16 ULTIMATE.start_main_~x~4)), 69607#(and (<= 19 ULTIMATE.start_main_~x~4) (<= ULTIMATE.start_main_~x~4 19)), 69606#(and (<= 18 ULTIMATE.start_main_~x~4) (<= ULTIMATE.start_main_~x~4 18)), 69609#(and (<= ULTIMATE.start_main_~x~4 21) (<= 21 ULTIMATE.start_main_~x~4)), 69608#(and (<= 20 ULTIMATE.start_main_~x~4) (<= ULTIMATE.start_main_~x~4 20)), 69611#(and (<= ULTIMATE.start_main_~x~4 23) (<= 23 ULTIMATE.start_main_~x~4)), 69610#(and (<= ULTIMATE.start_main_~x~4 22) (<= 22 ULTIMATE.start_main_~x~4)), 69613#(and (<= ULTIMATE.start_main_~x~4 25) (<= 25 ULTIMATE.start_main_~x~4)), 69612#(and (<= ULTIMATE.start_main_~x~4 24) (<= 24 ULTIMATE.start_main_~x~4)), 69615#(and (<= ULTIMATE.start_main_~x~4 27) (<= 27 ULTIMATE.start_main_~x~4)), 69614#(and (<= ULTIMATE.start_main_~x~4 26) (<= 26 ULTIMATE.start_main_~x~4)), 69617#(and (<= 29 ULTIMATE.start_main_~x~4) (<= ULTIMATE.start_main_~x~4 29)), 69616#(and (<= ULTIMATE.start_main_~x~4 28) (<= 28 ULTIMATE.start_main_~x~4)), 69619#(and (<= ULTIMATE.start_main_~x~4 31) (<= 31 ULTIMATE.start_main_~x~4)), 69618#(and (<= ULTIMATE.start_main_~x~4 30) (<= 30 ULTIMATE.start_main_~x~4)), 69621#(and (<= ULTIMATE.start_main_~x~4 33) (<= 33 ULTIMATE.start_main_~x~4)), 69620#(and (<= ULTIMATE.start_main_~x~4 32) (<= 32 ULTIMATE.start_main_~x~4)), 69623#(and (<= ULTIMATE.start_main_~x~4 35) (<= 35 ULTIMATE.start_main_~x~4)), 69622#(and (<= 34 ULTIMATE.start_main_~x~4) (<= ULTIMATE.start_main_~x~4 34)), 69625#(and (<= ULTIMATE.start_main_~x~4 37) (<= 37 ULTIMATE.start_main_~x~4)), 69624#(and (<= 36 ULTIMATE.start_main_~x~4) (<= ULTIMATE.start_main_~x~4 36)), 69627#(and (<= ULTIMATE.start_main_~x~4 39) (<= 39 ULTIMATE.start_main_~x~4)), 69626#(and (<= 38 ULTIMATE.start_main_~x~4) (<= ULTIMATE.start_main_~x~4 38)), 69629#(and (<= ULTIMATE.start_main_~x~4 41) (<= 41 ULTIMATE.start_main_~x~4)), 69628#(and (<= ULTIMATE.start_main_~x~4 40) (<= 40 ULTIMATE.start_main_~x~4)), 69631#(and (<= ULTIMATE.start_main_~x~4 43) (<= 43 ULTIMATE.start_main_~x~4)), 69630#(and (<= ULTIMATE.start_main_~x~4 42) (<= 42 ULTIMATE.start_main_~x~4))] [2018-07-23 13:51:27,047 INFO L134 CoverageAnalysis]: Checked inductivity of 14762 backedges. 0 proven. 14762 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-07-23 13:51:27,047 INFO L450 AbstractCegarLoop]: Interpolant automaton has 124 states [2018-07-23 13:51:27,048 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 124 interpolants. [2018-07-23 13:51:27,048 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=245, Invalid=15007, Unknown=0, NotChecked=0, Total=15252 [2018-07-23 13:51:27,048 INFO L87 Difference]: Start difference. First operand 247 states and 247 transitions. Second operand 124 states. [2018-07-23 13:51:28,092 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-07-23 13:51:28,093 INFO L93 Difference]: Finished difference Result 251 states and 251 transitions. [2018-07-23 13:51:28,093 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 124 states. [2018-07-23 13:51:28,093 INFO L78 Accepts]: Start accepts. Automaton has 124 states. Word has length 246 [2018-07-23 13:51:28,093 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-07-23 13:51:28,094 INFO L225 Difference]: With dead ends: 251 [2018-07-23 13:51:28,094 INFO L226 Difference]: Without dead ends: 249 [2018-07-23 13:51:28,095 INFO L575 BasicCegarLoop]: 0 DeclaredPredicates, 123 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 122 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.6s TimeCoverageRelationStatistics Valid=245, Invalid=15007, Unknown=0, NotChecked=0, Total=15252 [2018-07-23 13:51:28,095 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 249 states. [2018-07-23 13:51:28,103 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 249 to 249. [2018-07-23 13:51:28,104 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 249 states. [2018-07-23 13:51:28,104 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 249 states to 249 states and 249 transitions. [2018-07-23 13:51:28,104 INFO L78 Accepts]: Start accepts. Automaton has 249 states and 249 transitions. Word has length 246 [2018-07-23 13:51:28,104 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-07-23 13:51:28,104 INFO L471 AbstractCegarLoop]: Abstraction has 249 states and 249 transitions. [2018-07-23 13:51:28,105 INFO L472 AbstractCegarLoop]: Interpolant automaton has 124 states. [2018-07-23 13:51:28,105 INFO L276 IsEmpty]: Start isEmpty. Operand 249 states and 249 transitions. [2018-07-23 13:51:28,106 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 249 [2018-07-23 13:51:28,106 INFO L349 BasicCegarLoop]: Found error trace [2018-07-23 13:51:28,106 INFO L357 BasicCegarLoop]: trace histogram [123, 122, 1, 1, 1] [2018-07-23 13:51:28,106 INFO L414 AbstractCegarLoop]: === Iteration 123 === [ULTIMATE.startErr0AssertViolationASSERT]=== [2018-07-23 13:51:28,106 INFO L82 PathProgramCache]: Analyzing trace with hash -116764181, now seen corresponding path program 122 times [2018-07-23 13:51:28,106 INFO L69 tionRefinementEngine]: Using refinement strategy FixedRefinementStrategy [2018-07-23 13:51:28,286 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-07-23 13:51:29,087 INFO L134 CoverageAnalysis]: Checked inductivity of 15006 backedges. 0 proven. 15006 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-07-23 13:51:29,088 INFO L309 seRefinementStrategy]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2018-07-23 13:51:29,088 INFO L324 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [124] total 124 [2018-07-23 13:51:29,088 INFO L142 lantAutomatonBuilder]: Constructing canonical interpolant automaton, with selfloop in false state [2018-07-23 13:51:29,088 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-07-23 13:51:29,089 INFO L185 omatonBuilderFactory]: Interpolants [70711#false, 70710#true, 70713#(and (<= ULTIMATE.start_main_~x~4 1) (<= 1 ULTIMATE.start_main_~x~4)), 70712#(and (<= ULTIMATE.start_main_~x~4 0) (<= 0 ULTIMATE.start_main_~x~4)), 70715#(and (<= 3 ULTIMATE.start_main_~x~4) (<= ULTIMATE.start_main_~x~4 3)), 70714#(and (<= 2 ULTIMATE.start_main_~x~4) (<= ULTIMATE.start_main_~x~4 2)), 70717#(and (<= ULTIMATE.start_main_~x~4 5) (<= 5 ULTIMATE.start_main_~x~4)), 70716#(and (<= ULTIMATE.start_main_~x~4 4) (<= 4 ULTIMATE.start_main_~x~4)), 70719#(and (<= ULTIMATE.start_main_~x~4 7) (<= 7 ULTIMATE.start_main_~x~4)), 70718#(and (<= 6 ULTIMATE.start_main_~x~4) (<= ULTIMATE.start_main_~x~4 6)), 70721#(and (<= 9 ULTIMATE.start_main_~x~4) (<= ULTIMATE.start_main_~x~4 9)), 70720#(and (<= ULTIMATE.start_main_~x~4 8) (<= 8 ULTIMATE.start_main_~x~4)), 70723#(and (<= ULTIMATE.start_main_~x~4 11) (<= 11 ULTIMATE.start_main_~x~4)), 70722#(and (<= ULTIMATE.start_main_~x~4 10) (<= 10 ULTIMATE.start_main_~x~4)), 70725#(and (<= ULTIMATE.start_main_~x~4 13) (<= 13 ULTIMATE.start_main_~x~4)), 70724#(and (<= 12 ULTIMATE.start_main_~x~4) (<= ULTIMATE.start_main_~x~4 12)), 70727#(and (<= 15 ULTIMATE.start_main_~x~4) (<= ULTIMATE.start_main_~x~4 15)), 70726#(and (<= 14 ULTIMATE.start_main_~x~4) (<= ULTIMATE.start_main_~x~4 14)), 70729#(and (<= ULTIMATE.start_main_~x~4 17) (<= 17 ULTIMATE.start_main_~x~4)), 70728#(and (<= ULTIMATE.start_main_~x~4 16) (<= 16 ULTIMATE.start_main_~x~4)), 70731#(and (<= 19 ULTIMATE.start_main_~x~4) (<= ULTIMATE.start_main_~x~4 19)), 70730#(and (<= 18 ULTIMATE.start_main_~x~4) (<= ULTIMATE.start_main_~x~4 18)), 70733#(and (<= ULTIMATE.start_main_~x~4 21) (<= 21 ULTIMATE.start_main_~x~4)), 70732#(and (<= 20 ULTIMATE.start_main_~x~4) (<= ULTIMATE.start_main_~x~4 20)), 70735#(and (<= ULTIMATE.start_main_~x~4 23) (<= 23 ULTIMATE.start_main_~x~4)), 70734#(and (<= ULTIMATE.start_main_~x~4 22) (<= 22 ULTIMATE.start_main_~x~4)), 70737#(and (<= ULTIMATE.start_main_~x~4 25) (<= 25 ULTIMATE.start_main_~x~4)), 70736#(and (<= ULTIMATE.start_main_~x~4 24) (<= 24 ULTIMATE.start_main_~x~4)), 70739#(and (<= ULTIMATE.start_main_~x~4 27) (<= 27 ULTIMATE.start_main_~x~4)), 70738#(and (<= ULTIMATE.start_main_~x~4 26) (<= 26 ULTIMATE.start_main_~x~4)), 70741#(and (<= 29 ULTIMATE.start_main_~x~4) (<= ULTIMATE.start_main_~x~4 29)), 70740#(and (<= ULTIMATE.start_main_~x~4 28) (<= 28 ULTIMATE.start_main_~x~4)), 70743#(and (<= ULTIMATE.start_main_~x~4 31) (<= 31 ULTIMATE.start_main_~x~4)), 70742#(and (<= ULTIMATE.start_main_~x~4 30) (<= 30 ULTIMATE.start_main_~x~4)), 70745#(and (<= ULTIMATE.start_main_~x~4 33) (<= 33 ULTIMATE.start_main_~x~4)), 70744#(and (<= ULTIMATE.start_main_~x~4 32) (<= 32 ULTIMATE.start_main_~x~4)), 70747#(and (<= ULTIMATE.start_main_~x~4 35) (<= 35 ULTIMATE.start_main_~x~4)), 70746#(and (<= 34 ULTIMATE.start_main_~x~4) (<= ULTIMATE.start_main_~x~4 34)), 70749#(and (<= ULTIMATE.start_main_~x~4 37) (<= 37 ULTIMATE.start_main_~x~4)), 70748#(and (<= 36 ULTIMATE.start_main_~x~4) (<= ULTIMATE.start_main_~x~4 36)), 70751#(and (<= ULTIMATE.start_main_~x~4 39) (<= 39 ULTIMATE.start_main_~x~4)), 70750#(and (<= 38 ULTIMATE.start_main_~x~4) (<= ULTIMATE.start_main_~x~4 38)), 70753#(and (<= ULTIMATE.start_main_~x~4 41) (<= 41 ULTIMATE.start_main_~x~4)), 70752#(and (<= ULTIMATE.start_main_~x~4 40) (<= 40 ULTIMATE.start_main_~x~4)), 70755#(and (<= ULTIMATE.start_main_~x~4 43) (<= 43 ULTIMATE.start_main_~x~4)), 70754#(and (<= ULTIMATE.start_main_~x~4 42) (<= 42 ULTIMATE.start_main_~x~4)), 70757#(and (<= 45 ULTIMATE.start_main_~x~4) (<= ULTIMATE.start_main_~x~4 45)), 70756#(and (<= 44 ULTIMATE.start_main_~x~4) (<= ULTIMATE.start_main_~x~4 44)), 70759#(and (<= 47 ULTIMATE.start_main_~x~4) (<= ULTIMATE.start_main_~x~4 47)), 70758#(and (<= ULTIMATE.start_main_~x~4 46) (<= 46 ULTIMATE.start_main_~x~4)), 70761#(and (<= 49 ULTIMATE.start_main_~x~4) (<= ULTIMATE.start_main_~x~4 49)), 70760#(and (<= 48 ULTIMATE.start_main_~x~4) (<= ULTIMATE.start_main_~x~4 48)), 70763#(and (<= 51 ULTIMATE.start_main_~x~4) (<= ULTIMATE.start_main_~x~4 51)), 70762#(and (<= ULTIMATE.start_main_~x~4 50) (<= 50 ULTIMATE.start_main_~x~4)), 70765#(and (<= 53 ULTIMATE.start_main_~x~4) (<= ULTIMATE.start_main_~x~4 53)), 70764#(and (<= ULTIMATE.start_main_~x~4 52) (<= 52 ULTIMATE.start_main_~x~4)), 70767#(and (<= 55 ULTIMATE.start_main_~x~4) (<= ULTIMATE.start_main_~x~4 55)), 70766#(and (<= ULTIMATE.start_main_~x~4 54) (<= 54 ULTIMATE.start_main_~x~4)), 70769#(and (<= 57 ULTIMATE.start_main_~x~4) (<= ULTIMATE.start_main_~x~4 57)), 70768#(and (<= 56 ULTIMATE.start_main_~x~4) (<= ULTIMATE.start_main_~x~4 56)), 70771#(and (<= ULTIMATE.start_main_~x~4 59) (<= 59 ULTIMATE.start_main_~x~4)), 70770#(and (<= 58 ULTIMATE.start_main_~x~4) (<= ULTIMATE.start_main_~x~4 58)), 70773#(and (<= 61 ULTIMATE.start_main_~x~4) (<= ULTIMATE.start_main_~x~4 61)), 70772#(and (<= 60 ULTIMATE.start_main_~x~4) (<= ULTIMATE.start_main_~x~4 60)), 70775#(and (<= 63 ULTIMATE.start_main_~x~4) (<= ULTIMATE.start_main_~x~4 63)), 70774#(and (<= ULTIMATE.start_main_~x~4 62) (<= 62 ULTIMATE.start_main_~x~4)), 70777#(and (<= 65 ULTIMATE.start_main_~x~4) (<= ULTIMATE.start_main_~x~4 65)), 70776#(and (<= ULTIMATE.start_main_~x~4 64) (<= 64 ULTIMATE.start_main_~x~4)), 70779#(and (<= 67 ULTIMATE.start_main_~x~4) (<= ULTIMATE.start_main_~x~4 67)), 70778#(and (<= 66 ULTIMATE.start_main_~x~4) (<= ULTIMATE.start_main_~x~4 66)), 70781#(and (<= 69 ULTIMATE.start_main_~x~4) (<= ULTIMATE.start_main_~x~4 69)), 70780#(and (<= ULTIMATE.start_main_~x~4 68) (<= 68 ULTIMATE.start_main_~x~4)), 70783#(and (<= 71 ULTIMATE.start_main_~x~4) (<= ULTIMATE.start_main_~x~4 71)), 70782#(and (<= ULTIMATE.start_main_~x~4 70) (<= 70 ULTIMATE.start_main_~x~4)), 70785#(and (<= ULTIMATE.start_main_~x~4 73) (<= 73 ULTIMATE.start_main_~x~4)), 70784#(and (<= 72 ULTIMATE.start_main_~x~4) (<= ULTIMATE.start_main_~x~4 72)), 70787#(and (<= ULTIMATE.start_main_~x~4 75) (<= 75 ULTIMATE.start_main_~x~4)), 70786#(and (<= 74 ULTIMATE.start_main_~x~4) (<= ULTIMATE.start_main_~x~4 74)), 70789#(and (<= ULTIMATE.start_main_~x~4 77) (<= 77 ULTIMATE.start_main_~x~4)), 70788#(and (<= ULTIMATE.start_main_~x~4 76) (<= 76 ULTIMATE.start_main_~x~4)), 70791#(and (<= 79 ULTIMATE.start_main_~x~4) (<= ULTIMATE.start_main_~x~4 79)), 70790#(and (<= ULTIMATE.start_main_~x~4 78) (<= 78 ULTIMATE.start_main_~x~4)), 70793#(and (<= ULTIMATE.start_main_~x~4 81) (<= 81 ULTIMATE.start_main_~x~4)), 70792#(and (<= ULTIMATE.start_main_~x~4 80) (<= 80 ULTIMATE.start_main_~x~4)), 70795#(and (<= 83 ULTIMATE.start_main_~x~4) (<= ULTIMATE.start_main_~x~4 83)), 70794#(and (<= ULTIMATE.start_main_~x~4 82) (<= 82 ULTIMATE.start_main_~x~4)), 70797#(and (<= 85 ULTIMATE.start_main_~x~4) (<= ULTIMATE.start_main_~x~4 85)), 70796#(and (<= ULTIMATE.start_main_~x~4 84) (<= 84 ULTIMATE.start_main_~x~4)), 70799#(and (<= ULTIMATE.start_main_~x~4 87) (<= 87 ULTIMATE.start_main_~x~4)), 70798#(and (<= 86 ULTIMATE.start_main_~x~4) (<= ULTIMATE.start_main_~x~4 86)), 70801#(and (<= ULTIMATE.start_main_~x~4 89) (<= 89 ULTIMATE.start_main_~x~4)), 70800#(and (<= 88 ULTIMATE.start_main_~x~4) (<= ULTIMATE.start_main_~x~4 88)), 70803#(and (<= ULTIMATE.start_main_~x~4 91) (<= 91 ULTIMATE.start_main_~x~4)), 70802#(and (<= ULTIMATE.start_main_~x~4 90) (<= 90 ULTIMATE.start_main_~x~4)), 70805#(and (<= ULTIMATE.start_main_~x~4 93) (<= 93 ULTIMATE.start_main_~x~4)), 70804#(and (<= ULTIMATE.start_main_~x~4 92) (<= 92 ULTIMATE.start_main_~x~4)), 70807#(and (<= 95 ULTIMATE.start_main_~x~4) (<= ULTIMATE.start_main_~x~4 95)), 70806#(and (<= ULTIMATE.start_main_~x~4 94) (<= 94 ULTIMATE.start_main_~x~4)), 70809#(and (<= 97 ULTIMATE.start_main_~x~4) (<= ULTIMATE.start_main_~x~4 97)), 70808#(and (<= ULTIMATE.start_main_~x~4 96) (<= 96 ULTIMATE.start_main_~x~4)), 70811#(and (<= 99 ULTIMATE.start_main_~x~4) (<= ULTIMATE.start_main_~x~4 99)), 70810#(and (<= ULTIMATE.start_main_~x~4 98) (<= 98 ULTIMATE.start_main_~x~4)), 70813#(and (<= ULTIMATE.start_main_~x~4 101) (<= 101 ULTIMATE.start_main_~x~4)), 70812#(and (<= ULTIMATE.start_main_~x~4 100) (<= 100 ULTIMATE.start_main_~x~4)), 70815#(and (<= 103 ULTIMATE.start_main_~x~4) (<= ULTIMATE.start_main_~x~4 103)), 70814#(and (<= 102 ULTIMATE.start_main_~x~4) (<= ULTIMATE.start_main_~x~4 102)), 70817#(and (<= 105 ULTIMATE.start_main_~x~4) (<= ULTIMATE.start_main_~x~4 105)), 70816#(and (<= ULTIMATE.start_main_~x~4 104) (<= 104 ULTIMATE.start_main_~x~4)), 70819#(and (<= 107 ULTIMATE.start_main_~x~4) (<= ULTIMATE.start_main_~x~4 107)), 70818#(and (<= 106 ULTIMATE.start_main_~x~4) (<= ULTIMATE.start_main_~x~4 106)), 70821#(and (<= ULTIMATE.start_main_~x~4 109) (<= 109 ULTIMATE.start_main_~x~4)), 70820#(and (<= 108 ULTIMATE.start_main_~x~4) (<= ULTIMATE.start_main_~x~4 108)), 70823#(and (<= ULTIMATE.start_main_~x~4 111) (<= 111 ULTIMATE.start_main_~x~4)), 70822#(and (<= 110 ULTIMATE.start_main_~x~4) (<= ULTIMATE.start_main_~x~4 110)), 70825#(and (<= 113 ULTIMATE.start_main_~x~4) (<= ULTIMATE.start_main_~x~4 113)), 70824#(and (<= ULTIMATE.start_main_~x~4 112) (<= 112 ULTIMATE.start_main_~x~4)), 70827#(and (<= ULTIMATE.start_main_~x~4 115) (<= 115 ULTIMATE.start_main_~x~4)), 70826#(and (<= ULTIMATE.start_main_~x~4 114) (<= 114 ULTIMATE.start_main_~x~4)), 70829#(and (<= ULTIMATE.start_main_~x~4 117) (<= 117 ULTIMATE.start_main_~x~4)), 70828#(and (<= ULTIMATE.start_main_~x~4 116) (<= 116 ULTIMATE.start_main_~x~4)), 70831#(and (<= 119 ULTIMATE.start_main_~x~4) (<= ULTIMATE.start_main_~x~4 119)), 70830#(and (<= 118 ULTIMATE.start_main_~x~4) (<= ULTIMATE.start_main_~x~4 118)), 70833#(and (<= 121 ULTIMATE.start_main_~x~4) (<= ULTIMATE.start_main_~x~4 121)), 70832#(and (<= 120 ULTIMATE.start_main_~x~4) (<= ULTIMATE.start_main_~x~4 120)), 70834#(and (<= 122 ULTIMATE.start_main_~x~4) (<= ULTIMATE.start_main_~x~4 122))] [2018-07-23 13:51:29,090 INFO L134 CoverageAnalysis]: Checked inductivity of 15006 backedges. 0 proven. 15006 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-07-23 13:51:29,090 INFO L450 AbstractCegarLoop]: Interpolant automaton has 125 states [2018-07-23 13:51:29,090 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 125 interpolants. [2018-07-23 13:51:29,091 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=247, Invalid=15253, Unknown=0, NotChecked=0, Total=15500 [2018-07-23 13:51:29,091 INFO L87 Difference]: Start difference. First operand 249 states and 249 transitions. Second operand 125 states. [2018-07-23 13:51:30,177 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-07-23 13:51:30,177 INFO L93 Difference]: Finished difference Result 253 states and 253 transitions. [2018-07-23 13:51:30,177 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 125 states. [2018-07-23 13:51:30,178 INFO L78 Accepts]: Start accepts. Automaton has 125 states. Word has length 248 [2018-07-23 13:51:30,178 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-07-23 13:51:30,178 INFO L225 Difference]: With dead ends: 253 [2018-07-23 13:51:30,179 INFO L226 Difference]: Without dead ends: 251 [2018-07-23 13:51:30,180 INFO L575 BasicCegarLoop]: 0 DeclaredPredicates, 124 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 123 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.5s TimeCoverageRelationStatistics Valid=247, Invalid=15253, Unknown=0, NotChecked=0, Total=15500 [2018-07-23 13:51:30,180 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 251 states. [2018-07-23 13:51:30,189 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 251 to 251. [2018-07-23 13:51:30,189 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 251 states. [2018-07-23 13:51:30,189 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 251 states to 251 states and 251 transitions. [2018-07-23 13:51:30,189 INFO L78 Accepts]: Start accepts. Automaton has 251 states and 251 transitions. Word has length 248 [2018-07-23 13:51:30,190 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-07-23 13:51:30,190 INFO L471 AbstractCegarLoop]: Abstraction has 251 states and 251 transitions. [2018-07-23 13:51:30,190 INFO L472 AbstractCegarLoop]: Interpolant automaton has 125 states. [2018-07-23 13:51:30,190 INFO L276 IsEmpty]: Start isEmpty. Operand 251 states and 251 transitions. [2018-07-23 13:51:30,191 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 251 [2018-07-23 13:51:30,191 INFO L349 BasicCegarLoop]: Found error trace [2018-07-23 13:51:30,191 INFO L357 BasicCegarLoop]: trace histogram [124, 123, 1, 1, 1] [2018-07-23 13:51:30,191 INFO L414 AbstractCegarLoop]: === Iteration 124 === [ULTIMATE.startErr0AssertViolationASSERT]=== [2018-07-23 13:51:30,192 INFO L82 PathProgramCache]: Analyzing trace with hash -541176155, now seen corresponding path program 123 times [2018-07-23 13:51:30,192 INFO L69 tionRefinementEngine]: Using refinement strategy FixedRefinementStrategy [2018-07-23 13:51:30,388 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-07-23 13:51:31,218 INFO L134 CoverageAnalysis]: Checked inductivity of 15252 backedges. 0 proven. 15252 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-07-23 13:51:31,219 INFO L309 seRefinementStrategy]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2018-07-23 13:51:31,219 INFO L324 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [125] total 125 [2018-07-23 13:51:31,219 INFO L142 lantAutomatonBuilder]: Constructing canonical interpolant automaton, with selfloop in false state [2018-07-23 13:51:31,219 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-07-23 13:51:31,220 INFO L185 omatonBuilderFactory]: Interpolants [71937#(and (<= ULTIMATE.start_main_~x~4 92) (<= 92 ULTIMATE.start_main_~x~4)), 71936#(and (<= ULTIMATE.start_main_~x~4 91) (<= 91 ULTIMATE.start_main_~x~4)), 71939#(and (<= ULTIMATE.start_main_~x~4 94) (<= 94 ULTIMATE.start_main_~x~4)), 71938#(and (<= ULTIMATE.start_main_~x~4 93) (<= 93 ULTIMATE.start_main_~x~4)), 71941#(and (<= ULTIMATE.start_main_~x~4 96) (<= 96 ULTIMATE.start_main_~x~4)), 71940#(and (<= 95 ULTIMATE.start_main_~x~4) (<= ULTIMATE.start_main_~x~4 95)), 71943#(and (<= ULTIMATE.start_main_~x~4 98) (<= 98 ULTIMATE.start_main_~x~4)), 71942#(and (<= 97 ULTIMATE.start_main_~x~4) (<= ULTIMATE.start_main_~x~4 97)), 71945#(and (<= ULTIMATE.start_main_~x~4 100) (<= 100 ULTIMATE.start_main_~x~4)), 71944#(and (<= 99 ULTIMATE.start_main_~x~4) (<= ULTIMATE.start_main_~x~4 99)), 71947#(and (<= 102 ULTIMATE.start_main_~x~4) (<= ULTIMATE.start_main_~x~4 102)), 71946#(and (<= ULTIMATE.start_main_~x~4 101) (<= 101 ULTIMATE.start_main_~x~4)), 71949#(and (<= ULTIMATE.start_main_~x~4 104) (<= 104 ULTIMATE.start_main_~x~4)), 71948#(and (<= 103 ULTIMATE.start_main_~x~4) (<= ULTIMATE.start_main_~x~4 103)), 71951#(and (<= 106 ULTIMATE.start_main_~x~4) (<= ULTIMATE.start_main_~x~4 106)), 71950#(and (<= 105 ULTIMATE.start_main_~x~4) (<= ULTIMATE.start_main_~x~4 105)), 71953#(and (<= 108 ULTIMATE.start_main_~x~4) (<= ULTIMATE.start_main_~x~4 108)), 71952#(and (<= 107 ULTIMATE.start_main_~x~4) (<= ULTIMATE.start_main_~x~4 107)), 71955#(and (<= 110 ULTIMATE.start_main_~x~4) (<= ULTIMATE.start_main_~x~4 110)), 71954#(and (<= ULTIMATE.start_main_~x~4 109) (<= 109 ULTIMATE.start_main_~x~4)), 71957#(and (<= ULTIMATE.start_main_~x~4 112) (<= 112 ULTIMATE.start_main_~x~4)), 71956#(and (<= ULTIMATE.start_main_~x~4 111) (<= 111 ULTIMATE.start_main_~x~4)), 71959#(and (<= ULTIMATE.start_main_~x~4 114) (<= 114 ULTIMATE.start_main_~x~4)), 71958#(and (<= 113 ULTIMATE.start_main_~x~4) (<= ULTIMATE.start_main_~x~4 113)), 71961#(and (<= ULTIMATE.start_main_~x~4 116) (<= 116 ULTIMATE.start_main_~x~4)), 71960#(and (<= ULTIMATE.start_main_~x~4 115) (<= 115 ULTIMATE.start_main_~x~4)), 71963#(and (<= 118 ULTIMATE.start_main_~x~4) (<= ULTIMATE.start_main_~x~4 118)), 71962#(and (<= ULTIMATE.start_main_~x~4 117) (<= 117 ULTIMATE.start_main_~x~4)), 71965#(and (<= 120 ULTIMATE.start_main_~x~4) (<= ULTIMATE.start_main_~x~4 120)), 71964#(and (<= 119 ULTIMATE.start_main_~x~4) (<= ULTIMATE.start_main_~x~4 119)), 71967#(and (<= 122 ULTIMATE.start_main_~x~4) (<= ULTIMATE.start_main_~x~4 122)), 71966#(and (<= 121 ULTIMATE.start_main_~x~4) (<= ULTIMATE.start_main_~x~4 121)), 71968#(and (<= ULTIMATE.start_main_~x~4 123) (<= 123 ULTIMATE.start_main_~x~4)), 71843#true, 71845#(and (<= ULTIMATE.start_main_~x~4 0) (<= 0 ULTIMATE.start_main_~x~4)), 71844#false, 71847#(and (<= 2 ULTIMATE.start_main_~x~4) (<= ULTIMATE.start_main_~x~4 2)), 71846#(and (<= ULTIMATE.start_main_~x~4 1) (<= 1 ULTIMATE.start_main_~x~4)), 71849#(and (<= ULTIMATE.start_main_~x~4 4) (<= 4 ULTIMATE.start_main_~x~4)), 71848#(and (<= 3 ULTIMATE.start_main_~x~4) (<= ULTIMATE.start_main_~x~4 3)), 71851#(and (<= 6 ULTIMATE.start_main_~x~4) (<= ULTIMATE.start_main_~x~4 6)), 71850#(and (<= ULTIMATE.start_main_~x~4 5) (<= 5 ULTIMATE.start_main_~x~4)), 71853#(and (<= ULTIMATE.start_main_~x~4 8) (<= 8 ULTIMATE.start_main_~x~4)), 71852#(and (<= ULTIMATE.start_main_~x~4 7) (<= 7 ULTIMATE.start_main_~x~4)), 71855#(and (<= ULTIMATE.start_main_~x~4 10) (<= 10 ULTIMATE.start_main_~x~4)), 71854#(and (<= 9 ULTIMATE.start_main_~x~4) (<= ULTIMATE.start_main_~x~4 9)), 71857#(and (<= 12 ULTIMATE.start_main_~x~4) (<= ULTIMATE.start_main_~x~4 12)), 71856#(and (<= ULTIMATE.start_main_~x~4 11) (<= 11 ULTIMATE.start_main_~x~4)), 71859#(and (<= 14 ULTIMATE.start_main_~x~4) (<= ULTIMATE.start_main_~x~4 14)), 71858#(and (<= ULTIMATE.start_main_~x~4 13) (<= 13 ULTIMATE.start_main_~x~4)), 71861#(and (<= ULTIMATE.start_main_~x~4 16) (<= 16 ULTIMATE.start_main_~x~4)), 71860#(and (<= 15 ULTIMATE.start_main_~x~4) (<= ULTIMATE.start_main_~x~4 15)), 71863#(and (<= 18 ULTIMATE.start_main_~x~4) (<= ULTIMATE.start_main_~x~4 18)), 71862#(and (<= ULTIMATE.start_main_~x~4 17) (<= 17 ULTIMATE.start_main_~x~4)), 71865#(and (<= 20 ULTIMATE.start_main_~x~4) (<= ULTIMATE.start_main_~x~4 20)), 71864#(and (<= 19 ULTIMATE.start_main_~x~4) (<= ULTIMATE.start_main_~x~4 19)), 71867#(and (<= ULTIMATE.start_main_~x~4 22) (<= 22 ULTIMATE.start_main_~x~4)), 71866#(and (<= ULTIMATE.start_main_~x~4 21) (<= 21 ULTIMATE.start_main_~x~4)), 71869#(and (<= ULTIMATE.start_main_~x~4 24) (<= 24 ULTIMATE.start_main_~x~4)), 71868#(and (<= ULTIMATE.start_main_~x~4 23) (<= 23 ULTIMATE.start_main_~x~4)), 71871#(and (<= ULTIMATE.start_main_~x~4 26) (<= 26 ULTIMATE.start_main_~x~4)), 71870#(and (<= ULTIMATE.start_main_~x~4 25) (<= 25 ULTIMATE.start_main_~x~4)), 71873#(and (<= ULTIMATE.start_main_~x~4 28) (<= 28 ULTIMATE.start_main_~x~4)), 71872#(and (<= ULTIMATE.start_main_~x~4 27) (<= 27 ULTIMATE.start_main_~x~4)), 71875#(and (<= ULTIMATE.start_main_~x~4 30) (<= 30 ULTIMATE.start_main_~x~4)), 71874#(and (<= 29 ULTIMATE.start_main_~x~4) (<= ULTIMATE.start_main_~x~4 29)), 71877#(and (<= ULTIMATE.start_main_~x~4 32) (<= 32 ULTIMATE.start_main_~x~4)), 71876#(and (<= ULTIMATE.start_main_~x~4 31) (<= 31 ULTIMATE.start_main_~x~4)), 71879#(and (<= 34 ULTIMATE.start_main_~x~4) (<= ULTIMATE.start_main_~x~4 34)), 71878#(and (<= ULTIMATE.start_main_~x~4 33) (<= 33 ULTIMATE.start_main_~x~4)), 71881#(and (<= 36 ULTIMATE.start_main_~x~4) (<= ULTIMATE.start_main_~x~4 36)), 71880#(and (<= ULTIMATE.start_main_~x~4 35) (<= 35 ULTIMATE.start_main_~x~4)), 71883#(and (<= 38 ULTIMATE.start_main_~x~4) (<= ULTIMATE.start_main_~x~4 38)), 71882#(and (<= ULTIMATE.start_main_~x~4 37) (<= 37 ULTIMATE.start_main_~x~4)), 71885#(and (<= ULTIMATE.start_main_~x~4 40) (<= 40 ULTIMATE.start_main_~x~4)), 71884#(and (<= ULTIMATE.start_main_~x~4 39) (<= 39 ULTIMATE.start_main_~x~4)), 71887#(and (<= ULTIMATE.start_main_~x~4 42) (<= 42 ULTIMATE.start_main_~x~4)), 71886#(and (<= ULTIMATE.start_main_~x~4 41) (<= 41 ULTIMATE.start_main_~x~4)), 71889#(and (<= 44 ULTIMATE.start_main_~x~4) (<= ULTIMATE.start_main_~x~4 44)), 71888#(and (<= ULTIMATE.start_main_~x~4 43) (<= 43 ULTIMATE.start_main_~x~4)), 71891#(and (<= ULTIMATE.start_main_~x~4 46) (<= 46 ULTIMATE.start_main_~x~4)), 71890#(and (<= 45 ULTIMATE.start_main_~x~4) (<= ULTIMATE.start_main_~x~4 45)), 71893#(and (<= 48 ULTIMATE.start_main_~x~4) (<= ULTIMATE.start_main_~x~4 48)), 71892#(and (<= 47 ULTIMATE.start_main_~x~4) (<= ULTIMATE.start_main_~x~4 47)), 71895#(and (<= ULTIMATE.start_main_~x~4 50) (<= 50 ULTIMATE.start_main_~x~4)), 71894#(and (<= 49 ULTIMATE.start_main_~x~4) (<= ULTIMATE.start_main_~x~4 49)), 71897#(and (<= ULTIMATE.start_main_~x~4 52) (<= 52 ULTIMATE.start_main_~x~4)), 71896#(and (<= 51 ULTIMATE.start_main_~x~4) (<= ULTIMATE.start_main_~x~4 51)), 71899#(and (<= ULTIMATE.start_main_~x~4 54) (<= 54 ULTIMATE.start_main_~x~4)), 71898#(and (<= 53 ULTIMATE.start_main_~x~4) (<= ULTIMATE.start_main_~x~4 53)), 71901#(and (<= 56 ULTIMATE.start_main_~x~4) (<= ULTIMATE.start_main_~x~4 56)), 71900#(and (<= 55 ULTIMATE.start_main_~x~4) (<= ULTIMATE.start_main_~x~4 55)), 71903#(and (<= 58 ULTIMATE.start_main_~x~4) (<= ULTIMATE.start_main_~x~4 58)), 71902#(and (<= 57 ULTIMATE.start_main_~x~4) (<= ULTIMATE.start_main_~x~4 57)), 71905#(and (<= 60 ULTIMATE.start_main_~x~4) (<= ULTIMATE.start_main_~x~4 60)), 71904#(and (<= ULTIMATE.start_main_~x~4 59) (<= 59 ULTIMATE.start_main_~x~4)), 71907#(and (<= ULTIMATE.start_main_~x~4 62) (<= 62 ULTIMATE.start_main_~x~4)), 71906#(and (<= 61 ULTIMATE.start_main_~x~4) (<= ULTIMATE.start_main_~x~4 61)), 71909#(and (<= ULTIMATE.start_main_~x~4 64) (<= 64 ULTIMATE.start_main_~x~4)), 71908#(and (<= 63 ULTIMATE.start_main_~x~4) (<= ULTIMATE.start_main_~x~4 63)), 71911#(and (<= 66 ULTIMATE.start_main_~x~4) (<= ULTIMATE.start_main_~x~4 66)), 71910#(and (<= 65 ULTIMATE.start_main_~x~4) (<= ULTIMATE.start_main_~x~4 65)), 71913#(and (<= ULTIMATE.start_main_~x~4 68) (<= 68 ULTIMATE.start_main_~x~4)), 71912#(and (<= 67 ULTIMATE.start_main_~x~4) (<= ULTIMATE.start_main_~x~4 67)), 71915#(and (<= ULTIMATE.start_main_~x~4 70) (<= 70 ULTIMATE.start_main_~x~4)), 71914#(and (<= 69 ULTIMATE.start_main_~x~4) (<= ULTIMATE.start_main_~x~4 69)), 71917#(and (<= 72 ULTIMATE.start_main_~x~4) (<= ULTIMATE.start_main_~x~4 72)), 71916#(and (<= 71 ULTIMATE.start_main_~x~4) (<= ULTIMATE.start_main_~x~4 71)), 71919#(and (<= 74 ULTIMATE.start_main_~x~4) (<= ULTIMATE.start_main_~x~4 74)), 71918#(and (<= ULTIMATE.start_main_~x~4 73) (<= 73 ULTIMATE.start_main_~x~4)), 71921#(and (<= ULTIMATE.start_main_~x~4 76) (<= 76 ULTIMATE.start_main_~x~4)), 71920#(and (<= ULTIMATE.start_main_~x~4 75) (<= 75 ULTIMATE.start_main_~x~4)), 71923#(and (<= ULTIMATE.start_main_~x~4 78) (<= 78 ULTIMATE.start_main_~x~4)), 71922#(and (<= ULTIMATE.start_main_~x~4 77) (<= 77 ULTIMATE.start_main_~x~4)), 71925#(and (<= ULTIMATE.start_main_~x~4 80) (<= 80 ULTIMATE.start_main_~x~4)), 71924#(and (<= 79 ULTIMATE.start_main_~x~4) (<= ULTIMATE.start_main_~x~4 79)), 71927#(and (<= ULTIMATE.start_main_~x~4 82) (<= 82 ULTIMATE.start_main_~x~4)), 71926#(and (<= ULTIMATE.start_main_~x~4 81) (<= 81 ULTIMATE.start_main_~x~4)), 71929#(and (<= ULTIMATE.start_main_~x~4 84) (<= 84 ULTIMATE.start_main_~x~4)), 71928#(and (<= 83 ULTIMATE.start_main_~x~4) (<= ULTIMATE.start_main_~x~4 83)), 71931#(and (<= 86 ULTIMATE.start_main_~x~4) (<= ULTIMATE.start_main_~x~4 86)), 71930#(and (<= 85 ULTIMATE.start_main_~x~4) (<= ULTIMATE.start_main_~x~4 85)), 71933#(and (<= 88 ULTIMATE.start_main_~x~4) (<= ULTIMATE.start_main_~x~4 88)), 71932#(and (<= ULTIMATE.start_main_~x~4 87) (<= 87 ULTIMATE.start_main_~x~4)), 71935#(and (<= ULTIMATE.start_main_~x~4 90) (<= 90 ULTIMATE.start_main_~x~4)), 71934#(and (<= ULTIMATE.start_main_~x~4 89) (<= 89 ULTIMATE.start_main_~x~4))] [2018-07-23 13:51:31,220 INFO L134 CoverageAnalysis]: Checked inductivity of 15252 backedges. 0 proven. 15252 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-07-23 13:51:31,221 INFO L450 AbstractCegarLoop]: Interpolant automaton has 126 states [2018-07-23 13:51:31,221 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 126 interpolants. [2018-07-23 13:51:31,221 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=249, Invalid=15501, Unknown=0, NotChecked=0, Total=15750 [2018-07-23 13:51:31,221 INFO L87 Difference]: Start difference. First operand 251 states and 251 transitions. Second operand 126 states. [2018-07-23 13:51:32,285 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-07-23 13:51:32,286 INFO L93 Difference]: Finished difference Result 255 states and 255 transitions. [2018-07-23 13:51:32,286 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 126 states. [2018-07-23 13:51:32,286 INFO L78 Accepts]: Start accepts. Automaton has 126 states. Word has length 250 [2018-07-23 13:51:32,286 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-07-23 13:51:32,287 INFO L225 Difference]: With dead ends: 255 [2018-07-23 13:51:32,287 INFO L226 Difference]: Without dead ends: 253 [2018-07-23 13:51:32,287 INFO L575 BasicCegarLoop]: 0 DeclaredPredicates, 125 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 124 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.6s TimeCoverageRelationStatistics Valid=249, Invalid=15501, Unknown=0, NotChecked=0, Total=15750 [2018-07-23 13:51:32,287 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 253 states. [2018-07-23 13:51:32,293 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 253 to 253. [2018-07-23 13:51:32,293 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 253 states. [2018-07-23 13:51:32,294 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 253 states to 253 states and 253 transitions. [2018-07-23 13:51:32,294 INFO L78 Accepts]: Start accepts. Automaton has 253 states and 253 transitions. Word has length 250 [2018-07-23 13:51:32,294 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-07-23 13:51:32,294 INFO L471 AbstractCegarLoop]: Abstraction has 253 states and 253 transitions. [2018-07-23 13:51:32,294 INFO L472 AbstractCegarLoop]: Interpolant automaton has 126 states. [2018-07-23 13:51:32,294 INFO L276 IsEmpty]: Start isEmpty. Operand 253 states and 253 transitions. [2018-07-23 13:51:32,295 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 253 [2018-07-23 13:51:32,295 INFO L349 BasicCegarLoop]: Found error trace [2018-07-23 13:51:32,296 INFO L357 BasicCegarLoop]: trace histogram [125, 124, 1, 1, 1] [2018-07-23 13:51:32,296 INFO L414 AbstractCegarLoop]: === Iteration 125 === [ULTIMATE.startErr0AssertViolationASSERT]=== [2018-07-23 13:51:32,296 INFO L82 PathProgramCache]: Analyzing trace with hash -379190049, now seen corresponding path program 124 times [2018-07-23 13:51:32,296 INFO L69 tionRefinementEngine]: Using refinement strategy FixedRefinementStrategy [2018-07-23 13:51:32,480 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-07-23 13:51:33,276 INFO L134 CoverageAnalysis]: Checked inductivity of 15500 backedges. 0 proven. 15500 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-07-23 13:51:33,276 INFO L309 seRefinementStrategy]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2018-07-23 13:51:33,276 INFO L324 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [126] total 126 [2018-07-23 13:51:33,276 INFO L142 lantAutomatonBuilder]: Constructing canonical interpolant automaton, with selfloop in false state [2018-07-23 13:51:33,277 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 13:51:33,277 INFO L185 omatonBuilderFactory]: Interpolants [72985#true, 72987#(and (<= ULTIMATE.start_main_~x~4 0) (<= 0 ULTIMATE.start_main_~x~4)), 72986#false, 72989#(and (<= 2 ULTIMATE.start_main_~x~4) (<= ULTIMATE.start_main_~x~4 2)), 72988#(and (<= ULTIMATE.start_main_~x~4 1) (<= 1 ULTIMATE.start_main_~x~4)), 72991#(and (<= ULTIMATE.start_main_~x~4 4) (<= 4 ULTIMATE.start_main_~x~4)), 72990#(and (<= 3 ULTIMATE.start_main_~x~4) (<= ULTIMATE.start_main_~x~4 3)), 72993#(and (<= 6 ULTIMATE.start_main_~x~4) (<= ULTIMATE.start_main_~x~4 6)), 72992#(and (<= ULTIMATE.start_main_~x~4 5) (<= 5 ULTIMATE.start_main_~x~4)), 72995#(and (<= ULTIMATE.start_main_~x~4 8) (<= 8 ULTIMATE.start_main_~x~4)), 72994#(and (<= ULTIMATE.start_main_~x~4 7) (<= 7 ULTIMATE.start_main_~x~4)), 72997#(and (<= ULTIMATE.start_main_~x~4 10) (<= 10 ULTIMATE.start_main_~x~4)), 72996#(and (<= 9 ULTIMATE.start_main_~x~4) (<= ULTIMATE.start_main_~x~4 9)), 72999#(and (<= 12 ULTIMATE.start_main_~x~4) (<= ULTIMATE.start_main_~x~4 12)), 72998#(and (<= ULTIMATE.start_main_~x~4 11) (<= 11 ULTIMATE.start_main_~x~4)), 73001#(and (<= 14 ULTIMATE.start_main_~x~4) (<= ULTIMATE.start_main_~x~4 14)), 73000#(and (<= ULTIMATE.start_main_~x~4 13) (<= 13 ULTIMATE.start_main_~x~4)), 73003#(and (<= ULTIMATE.start_main_~x~4 16) (<= 16 ULTIMATE.start_main_~x~4)), 73002#(and (<= 15 ULTIMATE.start_main_~x~4) (<= ULTIMATE.start_main_~x~4 15)), 73005#(and (<= 18 ULTIMATE.start_main_~x~4) (<= ULTIMATE.start_main_~x~4 18)), 73004#(and (<= ULTIMATE.start_main_~x~4 17) (<= 17 ULTIMATE.start_main_~x~4)), 73007#(and (<= 20 ULTIMATE.start_main_~x~4) (<= ULTIMATE.start_main_~x~4 20)), 73006#(and (<= 19 ULTIMATE.start_main_~x~4) (<= ULTIMATE.start_main_~x~4 19)), 73009#(and (<= ULTIMATE.start_main_~x~4 22) (<= 22 ULTIMATE.start_main_~x~4)), 73008#(and (<= ULTIMATE.start_main_~x~4 21) (<= 21 ULTIMATE.start_main_~x~4)), 73011#(and (<= ULTIMATE.start_main_~x~4 24) (<= 24 ULTIMATE.start_main_~x~4)), 73010#(and (<= ULTIMATE.start_main_~x~4 23) (<= 23 ULTIMATE.start_main_~x~4)), 73013#(and (<= ULTIMATE.start_main_~x~4 26) (<= 26 ULTIMATE.start_main_~x~4)), 73012#(and (<= ULTIMATE.start_main_~x~4 25) (<= 25 ULTIMATE.start_main_~x~4)), 73015#(and (<= ULTIMATE.start_main_~x~4 28) (<= 28 ULTIMATE.start_main_~x~4)), 73014#(and (<= ULTIMATE.start_main_~x~4 27) (<= 27 ULTIMATE.start_main_~x~4)), 73017#(and (<= ULTIMATE.start_main_~x~4 30) (<= 30 ULTIMATE.start_main_~x~4)), 73016#(and (<= 29 ULTIMATE.start_main_~x~4) (<= ULTIMATE.start_main_~x~4 29)), 73019#(and (<= ULTIMATE.start_main_~x~4 32) (<= 32 ULTIMATE.start_main_~x~4)), 73018#(and (<= ULTIMATE.start_main_~x~4 31) (<= 31 ULTIMATE.start_main_~x~4)), 73021#(and (<= 34 ULTIMATE.start_main_~x~4) (<= ULTIMATE.start_main_~x~4 34)), 73020#(and (<= ULTIMATE.start_main_~x~4 33) (<= 33 ULTIMATE.start_main_~x~4)), 73023#(and (<= 36 ULTIMATE.start_main_~x~4) (<= ULTIMATE.start_main_~x~4 36)), 73022#(and (<= ULTIMATE.start_main_~x~4 35) (<= 35 ULTIMATE.start_main_~x~4)), 73025#(and (<= 38 ULTIMATE.start_main_~x~4) (<= ULTIMATE.start_main_~x~4 38)), 73024#(and (<= ULTIMATE.start_main_~x~4 37) (<= 37 ULTIMATE.start_main_~x~4)), 73027#(and (<= ULTIMATE.start_main_~x~4 40) (<= 40 ULTIMATE.start_main_~x~4)), 73026#(and (<= ULTIMATE.start_main_~x~4 39) (<= 39 ULTIMATE.start_main_~x~4)), 73029#(and (<= ULTIMATE.start_main_~x~4 42) (<= 42 ULTIMATE.start_main_~x~4)), 73028#(and (<= ULTIMATE.start_main_~x~4 41) (<= 41 ULTIMATE.start_main_~x~4)), 73031#(and (<= 44 ULTIMATE.start_main_~x~4) (<= ULTIMATE.start_main_~x~4 44)), 73030#(and (<= ULTIMATE.start_main_~x~4 43) (<= 43 ULTIMATE.start_main_~x~4)), 73033#(and (<= ULTIMATE.start_main_~x~4 46) (<= 46 ULTIMATE.start_main_~x~4)), 73032#(and (<= 45 ULTIMATE.start_main_~x~4) (<= ULTIMATE.start_main_~x~4 45)), 73035#(and (<= 48 ULTIMATE.start_main_~x~4) (<= ULTIMATE.start_main_~x~4 48)), 73034#(and (<= 47 ULTIMATE.start_main_~x~4) (<= ULTIMATE.start_main_~x~4 47)), 73037#(and (<= ULTIMATE.start_main_~x~4 50) (<= 50 ULTIMATE.start_main_~x~4)), 73036#(and (<= 49 ULTIMATE.start_main_~x~4) (<= ULTIMATE.start_main_~x~4 49)), 73039#(and (<= ULTIMATE.start_main_~x~4 52) (<= 52 ULTIMATE.start_main_~x~4)), 73038#(and (<= 51 ULTIMATE.start_main_~x~4) (<= ULTIMATE.start_main_~x~4 51)), 73041#(and (<= ULTIMATE.start_main_~x~4 54) (<= 54 ULTIMATE.start_main_~x~4)), 73040#(and (<= 53 ULTIMATE.start_main_~x~4) (<= ULTIMATE.start_main_~x~4 53)), 73043#(and (<= 56 ULTIMATE.start_main_~x~4) (<= ULTIMATE.start_main_~x~4 56)), 73042#(and (<= 55 ULTIMATE.start_main_~x~4) (<= ULTIMATE.start_main_~x~4 55)), 73045#(and (<= 58 ULTIMATE.start_main_~x~4) (<= ULTIMATE.start_main_~x~4 58)), 73044#(and (<= 57 ULTIMATE.start_main_~x~4) (<= ULTIMATE.start_main_~x~4 57)), 73047#(and (<= 60 ULTIMATE.start_main_~x~4) (<= ULTIMATE.start_main_~x~4 60)), 73046#(and (<= ULTIMATE.start_main_~x~4 59) (<= 59 ULTIMATE.start_main_~x~4)), 73049#(and (<= ULTIMATE.start_main_~x~4 62) (<= 62 ULTIMATE.start_main_~x~4)), 73048#(and (<= 61 ULTIMATE.start_main_~x~4) (<= ULTIMATE.start_main_~x~4 61)), 73051#(and (<= ULTIMATE.start_main_~x~4 64) (<= 64 ULTIMATE.start_main_~x~4)), 73050#(and (<= 63 ULTIMATE.start_main_~x~4) (<= ULTIMATE.start_main_~x~4 63)), 73053#(and (<= 66 ULTIMATE.start_main_~x~4) (<= ULTIMATE.start_main_~x~4 66)), 73052#(and (<= 65 ULTIMATE.start_main_~x~4) (<= ULTIMATE.start_main_~x~4 65)), 73055#(and (<= ULTIMATE.start_main_~x~4 68) (<= 68 ULTIMATE.start_main_~x~4)), 73054#(and (<= 67 ULTIMATE.start_main_~x~4) (<= ULTIMATE.start_main_~x~4 67)), 73057#(and (<= ULTIMATE.start_main_~x~4 70) (<= 70 ULTIMATE.start_main_~x~4)), 73056#(and (<= 69 ULTIMATE.start_main_~x~4) (<= ULTIMATE.start_main_~x~4 69)), 73059#(and (<= 72 ULTIMATE.start_main_~x~4) (<= ULTIMATE.start_main_~x~4 72)), 73058#(and (<= 71 ULTIMATE.start_main_~x~4) (<= ULTIMATE.start_main_~x~4 71)), 73061#(and (<= 74 ULTIMATE.start_main_~x~4) (<= ULTIMATE.start_main_~x~4 74)), 73060#(and (<= ULTIMATE.start_main_~x~4 73) (<= 73 ULTIMATE.start_main_~x~4)), 73063#(and (<= ULTIMATE.start_main_~x~4 76) (<= 76 ULTIMATE.start_main_~x~4)), 73062#(and (<= ULTIMATE.start_main_~x~4 75) (<= 75 ULTIMATE.start_main_~x~4)), 73065#(and (<= ULTIMATE.start_main_~x~4 78) (<= 78 ULTIMATE.start_main_~x~4)), 73064#(and (<= ULTIMATE.start_main_~x~4 77) (<= 77 ULTIMATE.start_main_~x~4)), 73067#(and (<= ULTIMATE.start_main_~x~4 80) (<= 80 ULTIMATE.start_main_~x~4)), 73066#(and (<= 79 ULTIMATE.start_main_~x~4) (<= ULTIMATE.start_main_~x~4 79)), 73069#(and (<= ULTIMATE.start_main_~x~4 82) (<= 82 ULTIMATE.start_main_~x~4)), 73068#(and (<= ULTIMATE.start_main_~x~4 81) (<= 81 ULTIMATE.start_main_~x~4)), 73071#(and (<= ULTIMATE.start_main_~x~4 84) (<= 84 ULTIMATE.start_main_~x~4)), 73070#(and (<= 83 ULTIMATE.start_main_~x~4) (<= ULTIMATE.start_main_~x~4 83)), 73073#(and (<= 86 ULTIMATE.start_main_~x~4) (<= ULTIMATE.start_main_~x~4 86)), 73072#(and (<= 85 ULTIMATE.start_main_~x~4) (<= ULTIMATE.start_main_~x~4 85)), 73075#(and (<= 88 ULTIMATE.start_main_~x~4) (<= ULTIMATE.start_main_~x~4 88)), 73074#(and (<= ULTIMATE.start_main_~x~4 87) (<= 87 ULTIMATE.start_main_~x~4)), 73077#(and (<= ULTIMATE.start_main_~x~4 90) (<= 90 ULTIMATE.start_main_~x~4)), 73076#(and (<= ULTIMATE.start_main_~x~4 89) (<= 89 ULTIMATE.start_main_~x~4)), 73079#(and (<= ULTIMATE.start_main_~x~4 92) (<= 92 ULTIMATE.start_main_~x~4)), 73078#(and (<= ULTIMATE.start_main_~x~4 91) (<= 91 ULTIMATE.start_main_~x~4)), 73081#(and (<= ULTIMATE.start_main_~x~4 94) (<= 94 ULTIMATE.start_main_~x~4)), 73080#(and (<= ULTIMATE.start_main_~x~4 93) (<= 93 ULTIMATE.start_main_~x~4)), 73083#(and (<= ULTIMATE.start_main_~x~4 96) (<= 96 ULTIMATE.start_main_~x~4)), 73082#(and (<= 95 ULTIMATE.start_main_~x~4) (<= ULTIMATE.start_main_~x~4 95)), 73085#(and (<= ULTIMATE.start_main_~x~4 98) (<= 98 ULTIMATE.start_main_~x~4)), 73084#(and (<= 97 ULTIMATE.start_main_~x~4) (<= ULTIMATE.start_main_~x~4 97)), 73087#(and (<= ULTIMATE.start_main_~x~4 100) (<= 100 ULTIMATE.start_main_~x~4)), 73086#(and (<= 99 ULTIMATE.start_main_~x~4) (<= ULTIMATE.start_main_~x~4 99)), 73089#(and (<= 102 ULTIMATE.start_main_~x~4) (<= ULTIMATE.start_main_~x~4 102)), 73088#(and (<= ULTIMATE.start_main_~x~4 101) (<= 101 ULTIMATE.start_main_~x~4)), 73091#(and (<= ULTIMATE.start_main_~x~4 104) (<= 104 ULTIMATE.start_main_~x~4)), 73090#(and (<= 103 ULTIMATE.start_main_~x~4) (<= ULTIMATE.start_main_~x~4 103)), 73093#(and (<= 106 ULTIMATE.start_main_~x~4) (<= ULTIMATE.start_main_~x~4 106)), 73092#(and (<= 105 ULTIMATE.start_main_~x~4) (<= ULTIMATE.start_main_~x~4 105)), 73095#(and (<= 108 ULTIMATE.start_main_~x~4) (<= ULTIMATE.start_main_~x~4 108)), 73094#(and (<= 107 ULTIMATE.start_main_~x~4) (<= ULTIMATE.start_main_~x~4 107)), 73097#(and (<= 110 ULTIMATE.start_main_~x~4) (<= ULTIMATE.start_main_~x~4 110)), 73096#(and (<= ULTIMATE.start_main_~x~4 109) (<= 109 ULTIMATE.start_main_~x~4)), 73099#(and (<= ULTIMATE.start_main_~x~4 112) (<= 112 ULTIMATE.start_main_~x~4)), 73098#(and (<= ULTIMATE.start_main_~x~4 111) (<= 111 ULTIMATE.start_main_~x~4)), 73101#(and (<= ULTIMATE.start_main_~x~4 114) (<= 114 ULTIMATE.start_main_~x~4)), 73100#(and (<= 113 ULTIMATE.start_main_~x~4) (<= ULTIMATE.start_main_~x~4 113)), 73103#(and (<= ULTIMATE.start_main_~x~4 116) (<= 116 ULTIMATE.start_main_~x~4)), 73102#(and (<= ULTIMATE.start_main_~x~4 115) (<= 115 ULTIMATE.start_main_~x~4)), 73105#(and (<= 118 ULTIMATE.start_main_~x~4) (<= ULTIMATE.start_main_~x~4 118)), 73104#(and (<= ULTIMATE.start_main_~x~4 117) (<= 117 ULTIMATE.start_main_~x~4)), 73107#(and (<= 120 ULTIMATE.start_main_~x~4) (<= ULTIMATE.start_main_~x~4 120)), 73106#(and (<= 119 ULTIMATE.start_main_~x~4) (<= ULTIMATE.start_main_~x~4 119)), 73109#(and (<= 122 ULTIMATE.start_main_~x~4) (<= ULTIMATE.start_main_~x~4 122)), 73108#(and (<= 121 ULTIMATE.start_main_~x~4) (<= ULTIMATE.start_main_~x~4 121)), 73111#(and (<= ULTIMATE.start_main_~x~4 124) (<= 124 ULTIMATE.start_main_~x~4)), 73110#(and (<= ULTIMATE.start_main_~x~4 123) (<= 123 ULTIMATE.start_main_~x~4))] [2018-07-23 13:51:33,278 INFO L134 CoverageAnalysis]: Checked inductivity of 15500 backedges. 0 proven. 15500 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-07-23 13:51:33,278 INFO L450 AbstractCegarLoop]: Interpolant automaton has 127 states [2018-07-23 13:51:33,278 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 127 interpolants. [2018-07-23 13:51:33,279 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=251, Invalid=15751, Unknown=0, NotChecked=0, Total=16002 [2018-07-23 13:51:33,279 INFO L87 Difference]: Start difference. First operand 253 states and 253 transitions. Second operand 127 states. [2018-07-23 13:51:34,401 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-07-23 13:51:34,402 INFO L93 Difference]: Finished difference Result 257 states and 257 transitions. [2018-07-23 13:51:34,402 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 127 states. [2018-07-23 13:51:34,402 INFO L78 Accepts]: Start accepts. Automaton has 127 states. Word has length 252 [2018-07-23 13:51:34,402 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-07-23 13:51:34,403 INFO L225 Difference]: With dead ends: 257 [2018-07-23 13:51:34,403 INFO L226 Difference]: Without dead ends: 255 [2018-07-23 13:51:34,404 INFO L575 BasicCegarLoop]: 0 DeclaredPredicates, 126 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 125 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.6s TimeCoverageRelationStatistics Valid=251, Invalid=15751, Unknown=0, NotChecked=0, Total=16002 [2018-07-23 13:51:34,404 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 255 states. [2018-07-23 13:51:34,410 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 255 to 255. [2018-07-23 13:51:34,410 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 255 states. [2018-07-23 13:51:34,411 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 255 states to 255 states and 255 transitions. [2018-07-23 13:51:34,411 INFO L78 Accepts]: Start accepts. Automaton has 255 states and 255 transitions. Word has length 252 [2018-07-23 13:51:34,411 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-07-23 13:51:34,411 INFO L471 AbstractCegarLoop]: Abstraction has 255 states and 255 transitions. [2018-07-23 13:51:34,411 INFO L472 AbstractCegarLoop]: Interpolant automaton has 127 states. [2018-07-23 13:51:34,411 INFO L276 IsEmpty]: Start isEmpty. Operand 255 states and 255 transitions. [2018-07-23 13:51:34,412 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 255 [2018-07-23 13:51:34,412 INFO L349 BasicCegarLoop]: Found error trace [2018-07-23 13:51:34,412 INFO L357 BasicCegarLoop]: trace histogram [126, 125, 1, 1, 1] [2018-07-23 13:51:34,412 INFO L414 AbstractCegarLoop]: === Iteration 126 === [ULTIMATE.startErr0AssertViolationASSERT]=== [2018-07-23 13:51:34,413 INFO L82 PathProgramCache]: Analyzing trace with hash 670635161, now seen corresponding path program 125 times [2018-07-23 13:51:34,413 INFO L69 tionRefinementEngine]: Using refinement strategy FixedRefinementStrategy [2018-07-23 13:51:34,610 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-07-23 13:51:35,449 INFO L134 CoverageAnalysis]: Checked inductivity of 15750 backedges. 0 proven. 15750 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-07-23 13:51:35,449 INFO L309 seRefinementStrategy]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2018-07-23 13:51:35,449 INFO L324 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [127] total 127 [2018-07-23 13:51:35,450 INFO L142 lantAutomatonBuilder]: Constructing canonical interpolant automaton, with selfloop in false state [2018-07-23 13:51:35,450 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-07-23 13:51:35,450 INFO L185 omatonBuilderFactory]: Interpolants [74241#(and (<= 103 ULTIMATE.start_main_~x~4) (<= ULTIMATE.start_main_~x~4 103)), 74240#(and (<= 102 ULTIMATE.start_main_~x~4) (<= ULTIMATE.start_main_~x~4 102)), 74243#(and (<= 105 ULTIMATE.start_main_~x~4) (<= ULTIMATE.start_main_~x~4 105)), 74242#(and (<= ULTIMATE.start_main_~x~4 104) (<= 104 ULTIMATE.start_main_~x~4)), 74245#(and (<= 107 ULTIMATE.start_main_~x~4) (<= ULTIMATE.start_main_~x~4 107)), 74244#(and (<= 106 ULTIMATE.start_main_~x~4) (<= ULTIMATE.start_main_~x~4 106)), 74247#(and (<= ULTIMATE.start_main_~x~4 109) (<= 109 ULTIMATE.start_main_~x~4)), 74246#(and (<= 108 ULTIMATE.start_main_~x~4) (<= ULTIMATE.start_main_~x~4 108)), 74249#(and (<= ULTIMATE.start_main_~x~4 111) (<= 111 ULTIMATE.start_main_~x~4)), 74248#(and (<= 110 ULTIMATE.start_main_~x~4) (<= ULTIMATE.start_main_~x~4 110)), 74251#(and (<= 113 ULTIMATE.start_main_~x~4) (<= ULTIMATE.start_main_~x~4 113)), 74250#(and (<= ULTIMATE.start_main_~x~4 112) (<= 112 ULTIMATE.start_main_~x~4)), 74253#(and (<= ULTIMATE.start_main_~x~4 115) (<= 115 ULTIMATE.start_main_~x~4)), 74252#(and (<= ULTIMATE.start_main_~x~4 114) (<= 114 ULTIMATE.start_main_~x~4)), 74255#(and (<= ULTIMATE.start_main_~x~4 117) (<= 117 ULTIMATE.start_main_~x~4)), 74254#(and (<= ULTIMATE.start_main_~x~4 116) (<= 116 ULTIMATE.start_main_~x~4)), 74257#(and (<= 119 ULTIMATE.start_main_~x~4) (<= ULTIMATE.start_main_~x~4 119)), 74256#(and (<= 118 ULTIMATE.start_main_~x~4) (<= ULTIMATE.start_main_~x~4 118)), 74259#(and (<= 121 ULTIMATE.start_main_~x~4) (<= ULTIMATE.start_main_~x~4 121)), 74258#(and (<= 120 ULTIMATE.start_main_~x~4) (<= ULTIMATE.start_main_~x~4 120)), 74261#(and (<= ULTIMATE.start_main_~x~4 123) (<= 123 ULTIMATE.start_main_~x~4)), 74260#(and (<= 122 ULTIMATE.start_main_~x~4) (<= ULTIMATE.start_main_~x~4 122)), 74263#(and (<= 125 ULTIMATE.start_main_~x~4) (<= ULTIMATE.start_main_~x~4 125)), 74262#(and (<= ULTIMATE.start_main_~x~4 124) (<= 124 ULTIMATE.start_main_~x~4)), 74137#false, 74136#true, 74139#(and (<= ULTIMATE.start_main_~x~4 1) (<= 1 ULTIMATE.start_main_~x~4)), 74138#(and (<= ULTIMATE.start_main_~x~4 0) (<= 0 ULTIMATE.start_main_~x~4)), 74141#(and (<= 3 ULTIMATE.start_main_~x~4) (<= ULTIMATE.start_main_~x~4 3)), 74140#(and (<= 2 ULTIMATE.start_main_~x~4) (<= ULTIMATE.start_main_~x~4 2)), 74143#(and (<= ULTIMATE.start_main_~x~4 5) (<= 5 ULTIMATE.start_main_~x~4)), 74142#(and (<= ULTIMATE.start_main_~x~4 4) (<= 4 ULTIMATE.start_main_~x~4)), 74145#(and (<= ULTIMATE.start_main_~x~4 7) (<= 7 ULTIMATE.start_main_~x~4)), 74144#(and (<= 6 ULTIMATE.start_main_~x~4) (<= ULTIMATE.start_main_~x~4 6)), 74147#(and (<= 9 ULTIMATE.start_main_~x~4) (<= ULTIMATE.start_main_~x~4 9)), 74146#(and (<= ULTIMATE.start_main_~x~4 8) (<= 8 ULTIMATE.start_main_~x~4)), 74149#(and (<= ULTIMATE.start_main_~x~4 11) (<= 11 ULTIMATE.start_main_~x~4)), 74148#(and (<= ULTIMATE.start_main_~x~4 10) (<= 10 ULTIMATE.start_main_~x~4)), 74151#(and (<= ULTIMATE.start_main_~x~4 13) (<= 13 ULTIMATE.start_main_~x~4)), 74150#(and (<= 12 ULTIMATE.start_main_~x~4) (<= ULTIMATE.start_main_~x~4 12)), 74153#(and (<= 15 ULTIMATE.start_main_~x~4) (<= ULTIMATE.start_main_~x~4 15)), 74152#(and (<= 14 ULTIMATE.start_main_~x~4) (<= ULTIMATE.start_main_~x~4 14)), 74155#(and (<= ULTIMATE.start_main_~x~4 17) (<= 17 ULTIMATE.start_main_~x~4)), 74154#(and (<= ULTIMATE.start_main_~x~4 16) (<= 16 ULTIMATE.start_main_~x~4)), 74157#(and (<= 19 ULTIMATE.start_main_~x~4) (<= ULTIMATE.start_main_~x~4 19)), 74156#(and (<= 18 ULTIMATE.start_main_~x~4) (<= ULTIMATE.start_main_~x~4 18)), 74159#(and (<= ULTIMATE.start_main_~x~4 21) (<= 21 ULTIMATE.start_main_~x~4)), 74158#(and (<= 20 ULTIMATE.start_main_~x~4) (<= ULTIMATE.start_main_~x~4 20)), 74161#(and (<= ULTIMATE.start_main_~x~4 23) (<= 23 ULTIMATE.start_main_~x~4)), 74160#(and (<= ULTIMATE.start_main_~x~4 22) (<= 22 ULTIMATE.start_main_~x~4)), 74163#(and (<= ULTIMATE.start_main_~x~4 25) (<= 25 ULTIMATE.start_main_~x~4)), 74162#(and (<= ULTIMATE.start_main_~x~4 24) (<= 24 ULTIMATE.start_main_~x~4)), 74165#(and (<= ULTIMATE.start_main_~x~4 27) (<= 27 ULTIMATE.start_main_~x~4)), 74164#(and (<= ULTIMATE.start_main_~x~4 26) (<= 26 ULTIMATE.start_main_~x~4)), 74167#(and (<= 29 ULTIMATE.start_main_~x~4) (<= ULTIMATE.start_main_~x~4 29)), 74166#(and (<= ULTIMATE.start_main_~x~4 28) (<= 28 ULTIMATE.start_main_~x~4)), 74169#(and (<= ULTIMATE.start_main_~x~4 31) (<= 31 ULTIMATE.start_main_~x~4)), 74168#(and (<= ULTIMATE.start_main_~x~4 30) (<= 30 ULTIMATE.start_main_~x~4)), 74171#(and (<= ULTIMATE.start_main_~x~4 33) (<= 33 ULTIMATE.start_main_~x~4)), 74170#(and (<= ULTIMATE.start_main_~x~4 32) (<= 32 ULTIMATE.start_main_~x~4)), 74173#(and (<= ULTIMATE.start_main_~x~4 35) (<= 35 ULTIMATE.start_main_~x~4)), 74172#(and (<= 34 ULTIMATE.start_main_~x~4) (<= ULTIMATE.start_main_~x~4 34)), 74175#(and (<= ULTIMATE.start_main_~x~4 37) (<= 37 ULTIMATE.start_main_~x~4)), 74174#(and (<= 36 ULTIMATE.start_main_~x~4) (<= ULTIMATE.start_main_~x~4 36)), 74177#(and (<= ULTIMATE.start_main_~x~4 39) (<= 39 ULTIMATE.start_main_~x~4)), 74176#(and (<= 38 ULTIMATE.start_main_~x~4) (<= ULTIMATE.start_main_~x~4 38)), 74179#(and (<= ULTIMATE.start_main_~x~4 41) (<= 41 ULTIMATE.start_main_~x~4)), 74178#(and (<= ULTIMATE.start_main_~x~4 40) (<= 40 ULTIMATE.start_main_~x~4)), 74181#(and (<= ULTIMATE.start_main_~x~4 43) (<= 43 ULTIMATE.start_main_~x~4)), 74180#(and (<= ULTIMATE.start_main_~x~4 42) (<= 42 ULTIMATE.start_main_~x~4)), 74183#(and (<= 45 ULTIMATE.start_main_~x~4) (<= ULTIMATE.start_main_~x~4 45)), 74182#(and (<= 44 ULTIMATE.start_main_~x~4) (<= ULTIMATE.start_main_~x~4 44)), 74185#(and (<= 47 ULTIMATE.start_main_~x~4) (<= ULTIMATE.start_main_~x~4 47)), 74184#(and (<= ULTIMATE.start_main_~x~4 46) (<= 46 ULTIMATE.start_main_~x~4)), 74187#(and (<= 49 ULTIMATE.start_main_~x~4) (<= ULTIMATE.start_main_~x~4 49)), 74186#(and (<= 48 ULTIMATE.start_main_~x~4) (<= ULTIMATE.start_main_~x~4 48)), 74189#(and (<= 51 ULTIMATE.start_main_~x~4) (<= ULTIMATE.start_main_~x~4 51)), 74188#(and (<= ULTIMATE.start_main_~x~4 50) (<= 50 ULTIMATE.start_main_~x~4)), 74191#(and (<= 53 ULTIMATE.start_main_~x~4) (<= ULTIMATE.start_main_~x~4 53)), 74190#(and (<= ULTIMATE.start_main_~x~4 52) (<= 52 ULTIMATE.start_main_~x~4)), 74193#(and (<= 55 ULTIMATE.start_main_~x~4) (<= ULTIMATE.start_main_~x~4 55)), 74192#(and (<= ULTIMATE.start_main_~x~4 54) (<= 54 ULTIMATE.start_main_~x~4)), 74195#(and (<= 57 ULTIMATE.start_main_~x~4) (<= ULTIMATE.start_main_~x~4 57)), 74194#(and (<= 56 ULTIMATE.start_main_~x~4) (<= ULTIMATE.start_main_~x~4 56)), 74197#(and (<= ULTIMATE.start_main_~x~4 59) (<= 59 ULTIMATE.start_main_~x~4)), 74196#(and (<= 58 ULTIMATE.start_main_~x~4) (<= ULTIMATE.start_main_~x~4 58)), 74199#(and (<= 61 ULTIMATE.start_main_~x~4) (<= ULTIMATE.start_main_~x~4 61)), 74198#(and (<= 60 ULTIMATE.start_main_~x~4) (<= ULTIMATE.start_main_~x~4 60)), 74201#(and (<= 63 ULTIMATE.start_main_~x~4) (<= ULTIMATE.start_main_~x~4 63)), 74200#(and (<= ULTIMATE.start_main_~x~4 62) (<= 62 ULTIMATE.start_main_~x~4)), 74203#(and (<= 65 ULTIMATE.start_main_~x~4) (<= ULTIMATE.start_main_~x~4 65)), 74202#(and (<= ULTIMATE.start_main_~x~4 64) (<= 64 ULTIMATE.start_main_~x~4)), 74205#(and (<= 67 ULTIMATE.start_main_~x~4) (<= ULTIMATE.start_main_~x~4 67)), 74204#(and (<= 66 ULTIMATE.start_main_~x~4) (<= ULTIMATE.start_main_~x~4 66)), 74207#(and (<= 69 ULTIMATE.start_main_~x~4) (<= ULTIMATE.start_main_~x~4 69)), 74206#(and (<= ULTIMATE.start_main_~x~4 68) (<= 68 ULTIMATE.start_main_~x~4)), 74209#(and (<= 71 ULTIMATE.start_main_~x~4) (<= ULTIMATE.start_main_~x~4 71)), 74208#(and (<= ULTIMATE.start_main_~x~4 70) (<= 70 ULTIMATE.start_main_~x~4)), 74211#(and (<= ULTIMATE.start_main_~x~4 73) (<= 73 ULTIMATE.start_main_~x~4)), 74210#(and (<= 72 ULTIMATE.start_main_~x~4) (<= ULTIMATE.start_main_~x~4 72)), 74213#(and (<= ULTIMATE.start_main_~x~4 75) (<= 75 ULTIMATE.start_main_~x~4)), 74212#(and (<= 74 ULTIMATE.start_main_~x~4) (<= ULTIMATE.start_main_~x~4 74)), 74215#(and (<= ULTIMATE.start_main_~x~4 77) (<= 77 ULTIMATE.start_main_~x~4)), 74214#(and (<= ULTIMATE.start_main_~x~4 76) (<= 76 ULTIMATE.start_main_~x~4)), 74217#(and (<= 79 ULTIMATE.start_main_~x~4) (<= ULTIMATE.start_main_~x~4 79)), 74216#(and (<= ULTIMATE.start_main_~x~4 78) (<= 78 ULTIMATE.start_main_~x~4)), 74219#(and (<= ULTIMATE.start_main_~x~4 81) (<= 81 ULTIMATE.start_main_~x~4)), 74218#(and (<= ULTIMATE.start_main_~x~4 80) (<= 80 ULTIMATE.start_main_~x~4)), 74221#(and (<= 83 ULTIMATE.start_main_~x~4) (<= ULTIMATE.start_main_~x~4 83)), 74220#(and (<= ULTIMATE.start_main_~x~4 82) (<= 82 ULTIMATE.start_main_~x~4)), 74223#(and (<= 85 ULTIMATE.start_main_~x~4) (<= ULTIMATE.start_main_~x~4 85)), 74222#(and (<= ULTIMATE.start_main_~x~4 84) (<= 84 ULTIMATE.start_main_~x~4)), 74225#(and (<= ULTIMATE.start_main_~x~4 87) (<= 87 ULTIMATE.start_main_~x~4)), 74224#(and (<= 86 ULTIMATE.start_main_~x~4) (<= ULTIMATE.start_main_~x~4 86)), 74227#(and (<= ULTIMATE.start_main_~x~4 89) (<= 89 ULTIMATE.start_main_~x~4)), 74226#(and (<= 88 ULTIMATE.start_main_~x~4) (<= ULTIMATE.start_main_~x~4 88)), 74229#(and (<= ULTIMATE.start_main_~x~4 91) (<= 91 ULTIMATE.start_main_~x~4)), 74228#(and (<= ULTIMATE.start_main_~x~4 90) (<= 90 ULTIMATE.start_main_~x~4)), 74231#(and (<= ULTIMATE.start_main_~x~4 93) (<= 93 ULTIMATE.start_main_~x~4)), 74230#(and (<= ULTIMATE.start_main_~x~4 92) (<= 92 ULTIMATE.start_main_~x~4)), 74233#(and (<= 95 ULTIMATE.start_main_~x~4) (<= ULTIMATE.start_main_~x~4 95)), 74232#(and (<= ULTIMATE.start_main_~x~4 94) (<= 94 ULTIMATE.start_main_~x~4)), 74235#(and (<= 97 ULTIMATE.start_main_~x~4) (<= ULTIMATE.start_main_~x~4 97)), 74234#(and (<= ULTIMATE.start_main_~x~4 96) (<= 96 ULTIMATE.start_main_~x~4)), 74237#(and (<= 99 ULTIMATE.start_main_~x~4) (<= ULTIMATE.start_main_~x~4 99)), 74236#(and (<= ULTIMATE.start_main_~x~4 98) (<= 98 ULTIMATE.start_main_~x~4)), 74239#(and (<= ULTIMATE.start_main_~x~4 101) (<= 101 ULTIMATE.start_main_~x~4)), 74238#(and (<= ULTIMATE.start_main_~x~4 100) (<= 100 ULTIMATE.start_main_~x~4))] [2018-07-23 13:51:35,451 INFO L134 CoverageAnalysis]: Checked inductivity of 15750 backedges. 0 proven. 15750 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-07-23 13:51:35,451 INFO L450 AbstractCegarLoop]: Interpolant automaton has 128 states [2018-07-23 13:51:35,451 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 128 interpolants. [2018-07-23 13:51:35,452 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=253, Invalid=16003, Unknown=0, NotChecked=0, Total=16256 [2018-07-23 13:51:35,452 INFO L87 Difference]: Start difference. First operand 255 states and 255 transitions. Second operand 128 states. [2018-07-23 13:51:36,563 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-07-23 13:51:36,564 INFO L93 Difference]: Finished difference Result 259 states and 259 transitions. [2018-07-23 13:51:36,564 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 128 states. [2018-07-23 13:51:36,564 INFO L78 Accepts]: Start accepts. Automaton has 128 states. Word has length 254 [2018-07-23 13:51:36,564 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-07-23 13:51:36,565 INFO L225 Difference]: With dead ends: 259 [2018-07-23 13:51:36,565 INFO L226 Difference]: Without dead ends: 257 [2018-07-23 13:51:36,566 INFO L575 BasicCegarLoop]: 0 DeclaredPredicates, 127 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 126 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.6s TimeCoverageRelationStatistics Valid=253, Invalid=16003, Unknown=0, NotChecked=0, Total=16256 [2018-07-23 13:51:36,566 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 257 states. [2018-07-23 13:51:36,573 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 257 to 257. [2018-07-23 13:51:36,573 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 257 states. [2018-07-23 13:51:36,573 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 257 states to 257 states and 257 transitions. [2018-07-23 13:51:36,573 INFO L78 Accepts]: Start accepts. Automaton has 257 states and 257 transitions. Word has length 254 [2018-07-23 13:51:36,574 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-07-23 13:51:36,574 INFO L471 AbstractCegarLoop]: Abstraction has 257 states and 257 transitions. [2018-07-23 13:51:36,574 INFO L472 AbstractCegarLoop]: Interpolant automaton has 128 states. [2018-07-23 13:51:36,574 INFO L276 IsEmpty]: Start isEmpty. Operand 257 states and 257 transitions. [2018-07-23 13:51:36,575 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 257 [2018-07-23 13:51:36,575 INFO L349 BasicCegarLoop]: Found error trace [2018-07-23 13:51:36,575 INFO L357 BasicCegarLoop]: trace histogram [127, 126, 1, 1, 1] [2018-07-23 13:51:36,575 INFO L414 AbstractCegarLoop]: === Iteration 127 === [ULTIMATE.startErr0AssertViolationASSERT]=== [2018-07-23 13:51:36,575 INFO L82 PathProgramCache]: Analyzing trace with hash 235347411, now seen corresponding path program 126 times [2018-07-23 13:51:36,576 INFO L69 tionRefinementEngine]: Using refinement strategy FixedRefinementStrategy [2018-07-23 13:51:36,799 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-07-23 13:51:37,627 INFO L134 CoverageAnalysis]: Checked inductivity of 16002 backedges. 0 proven. 16002 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-07-23 13:51:37,627 INFO L309 seRefinementStrategy]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2018-07-23 13:51:37,627 INFO L324 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [128] total 128 [2018-07-23 13:51:37,628 INFO L142 lantAutomatonBuilder]: Constructing canonical interpolant automaton, with selfloop in false state [2018-07-23 13:51:37,628 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-07-23 13:51:37,628 INFO L185 omatonBuilderFactory]: Interpolants [75297#false, 75296#true, 75299#(and (<= ULTIMATE.start_main_~x~4 1) (<= 1 ULTIMATE.start_main_~x~4)), 75298#(and (<= ULTIMATE.start_main_~x~4 0) (<= 0 ULTIMATE.start_main_~x~4)), 75301#(and (<= 3 ULTIMATE.start_main_~x~4) (<= ULTIMATE.start_main_~x~4 3)), 75300#(and (<= 2 ULTIMATE.start_main_~x~4) (<= ULTIMATE.start_main_~x~4 2)), 75303#(and (<= ULTIMATE.start_main_~x~4 5) (<= 5 ULTIMATE.start_main_~x~4)), 75302#(and (<= ULTIMATE.start_main_~x~4 4) (<= 4 ULTIMATE.start_main_~x~4)), 75305#(and (<= ULTIMATE.start_main_~x~4 7) (<= 7 ULTIMATE.start_main_~x~4)), 75304#(and (<= 6 ULTIMATE.start_main_~x~4) (<= ULTIMATE.start_main_~x~4 6)), 75307#(and (<= 9 ULTIMATE.start_main_~x~4) (<= ULTIMATE.start_main_~x~4 9)), 75306#(and (<= ULTIMATE.start_main_~x~4 8) (<= 8 ULTIMATE.start_main_~x~4)), 75309#(and (<= ULTIMATE.start_main_~x~4 11) (<= 11 ULTIMATE.start_main_~x~4)), 75308#(and (<= ULTIMATE.start_main_~x~4 10) (<= 10 ULTIMATE.start_main_~x~4)), 75311#(and (<= ULTIMATE.start_main_~x~4 13) (<= 13 ULTIMATE.start_main_~x~4)), 75310#(and (<= 12 ULTIMATE.start_main_~x~4) (<= ULTIMATE.start_main_~x~4 12)), 75313#(and (<= 15 ULTIMATE.start_main_~x~4) (<= ULTIMATE.start_main_~x~4 15)), 75312#(and (<= 14 ULTIMATE.start_main_~x~4) (<= ULTIMATE.start_main_~x~4 14)), 75315#(and (<= ULTIMATE.start_main_~x~4 17) (<= 17 ULTIMATE.start_main_~x~4)), 75314#(and (<= ULTIMATE.start_main_~x~4 16) (<= 16 ULTIMATE.start_main_~x~4)), 75317#(and (<= 19 ULTIMATE.start_main_~x~4) (<= ULTIMATE.start_main_~x~4 19)), 75316#(and (<= 18 ULTIMATE.start_main_~x~4) (<= ULTIMATE.start_main_~x~4 18)), 75319#(and (<= ULTIMATE.start_main_~x~4 21) (<= 21 ULTIMATE.start_main_~x~4)), 75318#(and (<= 20 ULTIMATE.start_main_~x~4) (<= ULTIMATE.start_main_~x~4 20)), 75321#(and (<= ULTIMATE.start_main_~x~4 23) (<= 23 ULTIMATE.start_main_~x~4)), 75320#(and (<= ULTIMATE.start_main_~x~4 22) (<= 22 ULTIMATE.start_main_~x~4)), 75323#(and (<= ULTIMATE.start_main_~x~4 25) (<= 25 ULTIMATE.start_main_~x~4)), 75322#(and (<= ULTIMATE.start_main_~x~4 24) (<= 24 ULTIMATE.start_main_~x~4)), 75325#(and (<= ULTIMATE.start_main_~x~4 27) (<= 27 ULTIMATE.start_main_~x~4)), 75324#(and (<= ULTIMATE.start_main_~x~4 26) (<= 26 ULTIMATE.start_main_~x~4)), 75327#(and (<= 29 ULTIMATE.start_main_~x~4) (<= ULTIMATE.start_main_~x~4 29)), 75326#(and (<= ULTIMATE.start_main_~x~4 28) (<= 28 ULTIMATE.start_main_~x~4)), 75329#(and (<= ULTIMATE.start_main_~x~4 31) (<= 31 ULTIMATE.start_main_~x~4)), 75328#(and (<= ULTIMATE.start_main_~x~4 30) (<= 30 ULTIMATE.start_main_~x~4)), 75331#(and (<= ULTIMATE.start_main_~x~4 33) (<= 33 ULTIMATE.start_main_~x~4)), 75330#(and (<= ULTIMATE.start_main_~x~4 32) (<= 32 ULTIMATE.start_main_~x~4)), 75333#(and (<= ULTIMATE.start_main_~x~4 35) (<= 35 ULTIMATE.start_main_~x~4)), 75332#(and (<= 34 ULTIMATE.start_main_~x~4) (<= ULTIMATE.start_main_~x~4 34)), 75335#(and (<= ULTIMATE.start_main_~x~4 37) (<= 37 ULTIMATE.start_main_~x~4)), 75334#(and (<= 36 ULTIMATE.start_main_~x~4) (<= ULTIMATE.start_main_~x~4 36)), 75337#(and (<= ULTIMATE.start_main_~x~4 39) (<= 39 ULTIMATE.start_main_~x~4)), 75336#(and (<= 38 ULTIMATE.start_main_~x~4) (<= ULTIMATE.start_main_~x~4 38)), 75339#(and (<= ULTIMATE.start_main_~x~4 41) (<= 41 ULTIMATE.start_main_~x~4)), 75338#(and (<= ULTIMATE.start_main_~x~4 40) (<= 40 ULTIMATE.start_main_~x~4)), 75341#(and (<= ULTIMATE.start_main_~x~4 43) (<= 43 ULTIMATE.start_main_~x~4)), 75340#(and (<= ULTIMATE.start_main_~x~4 42) (<= 42 ULTIMATE.start_main_~x~4)), 75343#(and (<= 45 ULTIMATE.start_main_~x~4) (<= ULTIMATE.start_main_~x~4 45)), 75342#(and (<= 44 ULTIMATE.start_main_~x~4) (<= ULTIMATE.start_main_~x~4 44)), 75345#(and (<= 47 ULTIMATE.start_main_~x~4) (<= ULTIMATE.start_main_~x~4 47)), 75344#(and (<= ULTIMATE.start_main_~x~4 46) (<= 46 ULTIMATE.start_main_~x~4)), 75347#(and (<= 49 ULTIMATE.start_main_~x~4) (<= ULTIMATE.start_main_~x~4 49)), 75346#(and (<= 48 ULTIMATE.start_main_~x~4) (<= ULTIMATE.start_main_~x~4 48)), 75349#(and (<= 51 ULTIMATE.start_main_~x~4) (<= ULTIMATE.start_main_~x~4 51)), 75348#(and (<= ULTIMATE.start_main_~x~4 50) (<= 50 ULTIMATE.start_main_~x~4)), 75351#(and (<= 53 ULTIMATE.start_main_~x~4) (<= ULTIMATE.start_main_~x~4 53)), 75350#(and (<= ULTIMATE.start_main_~x~4 52) (<= 52 ULTIMATE.start_main_~x~4)), 75353#(and (<= 55 ULTIMATE.start_main_~x~4) (<= ULTIMATE.start_main_~x~4 55)), 75352#(and (<= ULTIMATE.start_main_~x~4 54) (<= 54 ULTIMATE.start_main_~x~4)), 75355#(and (<= 57 ULTIMATE.start_main_~x~4) (<= ULTIMATE.start_main_~x~4 57)), 75354#(and (<= 56 ULTIMATE.start_main_~x~4) (<= ULTIMATE.start_main_~x~4 56)), 75357#(and (<= ULTIMATE.start_main_~x~4 59) (<= 59 ULTIMATE.start_main_~x~4)), 75356#(and (<= 58 ULTIMATE.start_main_~x~4) (<= ULTIMATE.start_main_~x~4 58)), 75359#(and (<= 61 ULTIMATE.start_main_~x~4) (<= ULTIMATE.start_main_~x~4 61)), 75358#(and (<= 60 ULTIMATE.start_main_~x~4) (<= ULTIMATE.start_main_~x~4 60)), 75361#(and (<= 63 ULTIMATE.start_main_~x~4) (<= ULTIMATE.start_main_~x~4 63)), 75360#(and (<= ULTIMATE.start_main_~x~4 62) (<= 62 ULTIMATE.start_main_~x~4)), 75363#(and (<= 65 ULTIMATE.start_main_~x~4) (<= ULTIMATE.start_main_~x~4 65)), 75362#(and (<= ULTIMATE.start_main_~x~4 64) (<= 64 ULTIMATE.start_main_~x~4)), 75365#(and (<= 67 ULTIMATE.start_main_~x~4) (<= ULTIMATE.start_main_~x~4 67)), 75364#(and (<= 66 ULTIMATE.start_main_~x~4) (<= ULTIMATE.start_main_~x~4 66)), 75367#(and (<= 69 ULTIMATE.start_main_~x~4) (<= ULTIMATE.start_main_~x~4 69)), 75366#(and (<= ULTIMATE.start_main_~x~4 68) (<= 68 ULTIMATE.start_main_~x~4)), 75369#(and (<= 71 ULTIMATE.start_main_~x~4) (<= ULTIMATE.start_main_~x~4 71)), 75368#(and (<= ULTIMATE.start_main_~x~4 70) (<= 70 ULTIMATE.start_main_~x~4)), 75371#(and (<= ULTIMATE.start_main_~x~4 73) (<= 73 ULTIMATE.start_main_~x~4)), 75370#(and (<= 72 ULTIMATE.start_main_~x~4) (<= ULTIMATE.start_main_~x~4 72)), 75373#(and (<= ULTIMATE.start_main_~x~4 75) (<= 75 ULTIMATE.start_main_~x~4)), 75372#(and (<= 74 ULTIMATE.start_main_~x~4) (<= ULTIMATE.start_main_~x~4 74)), 75375#(and (<= ULTIMATE.start_main_~x~4 77) (<= 77 ULTIMATE.start_main_~x~4)), 75374#(and (<= ULTIMATE.start_main_~x~4 76) (<= 76 ULTIMATE.start_main_~x~4)), 75377#(and (<= 79 ULTIMATE.start_main_~x~4) (<= ULTIMATE.start_main_~x~4 79)), 75376#(and (<= ULTIMATE.start_main_~x~4 78) (<= 78 ULTIMATE.start_main_~x~4)), 75379#(and (<= ULTIMATE.start_main_~x~4 81) (<= 81 ULTIMATE.start_main_~x~4)), 75378#(and (<= ULTIMATE.start_main_~x~4 80) (<= 80 ULTIMATE.start_main_~x~4)), 75381#(and (<= 83 ULTIMATE.start_main_~x~4) (<= ULTIMATE.start_main_~x~4 83)), 75380#(and (<= ULTIMATE.start_main_~x~4 82) (<= 82 ULTIMATE.start_main_~x~4)), 75383#(and (<= 85 ULTIMATE.start_main_~x~4) (<= ULTIMATE.start_main_~x~4 85)), 75382#(and (<= ULTIMATE.start_main_~x~4 84) (<= 84 ULTIMATE.start_main_~x~4)), 75385#(and (<= ULTIMATE.start_main_~x~4 87) (<= 87 ULTIMATE.start_main_~x~4)), 75384#(and (<= 86 ULTIMATE.start_main_~x~4) (<= ULTIMATE.start_main_~x~4 86)), 75387#(and (<= ULTIMATE.start_main_~x~4 89) (<= 89 ULTIMATE.start_main_~x~4)), 75386#(and (<= 88 ULTIMATE.start_main_~x~4) (<= ULTIMATE.start_main_~x~4 88)), 75389#(and (<= ULTIMATE.start_main_~x~4 91) (<= 91 ULTIMATE.start_main_~x~4)), 75388#(and (<= ULTIMATE.start_main_~x~4 90) (<= 90 ULTIMATE.start_main_~x~4)), 75391#(and (<= ULTIMATE.start_main_~x~4 93) (<= 93 ULTIMATE.start_main_~x~4)), 75390#(and (<= ULTIMATE.start_main_~x~4 92) (<= 92 ULTIMATE.start_main_~x~4)), 75393#(and (<= 95 ULTIMATE.start_main_~x~4) (<= ULTIMATE.start_main_~x~4 95)), 75392#(and (<= ULTIMATE.start_main_~x~4 94) (<= 94 ULTIMATE.start_main_~x~4)), 75395#(and (<= 97 ULTIMATE.start_main_~x~4) (<= ULTIMATE.start_main_~x~4 97)), 75394#(and (<= ULTIMATE.start_main_~x~4 96) (<= 96 ULTIMATE.start_main_~x~4)), 75397#(and (<= 99 ULTIMATE.start_main_~x~4) (<= ULTIMATE.start_main_~x~4 99)), 75396#(and (<= ULTIMATE.start_main_~x~4 98) (<= 98 ULTIMATE.start_main_~x~4)), 75399#(and (<= ULTIMATE.start_main_~x~4 101) (<= 101 ULTIMATE.start_main_~x~4)), 75398#(and (<= ULTIMATE.start_main_~x~4 100) (<= 100 ULTIMATE.start_main_~x~4)), 75401#(and (<= 103 ULTIMATE.start_main_~x~4) (<= ULTIMATE.start_main_~x~4 103)), 75400#(and (<= 102 ULTIMATE.start_main_~x~4) (<= ULTIMATE.start_main_~x~4 102)), 75403#(and (<= 105 ULTIMATE.start_main_~x~4) (<= ULTIMATE.start_main_~x~4 105)), 75402#(and (<= ULTIMATE.start_main_~x~4 104) (<= 104 ULTIMATE.start_main_~x~4)), 75405#(and (<= 107 ULTIMATE.start_main_~x~4) (<= ULTIMATE.start_main_~x~4 107)), 75404#(and (<= 106 ULTIMATE.start_main_~x~4) (<= ULTIMATE.start_main_~x~4 106)), 75407#(and (<= ULTIMATE.start_main_~x~4 109) (<= 109 ULTIMATE.start_main_~x~4)), 75406#(and (<= 108 ULTIMATE.start_main_~x~4) (<= ULTIMATE.start_main_~x~4 108)), 75409#(and (<= ULTIMATE.start_main_~x~4 111) (<= 111 ULTIMATE.start_main_~x~4)), 75408#(and (<= 110 ULTIMATE.start_main_~x~4) (<= ULTIMATE.start_main_~x~4 110)), 75411#(and (<= 113 ULTIMATE.start_main_~x~4) (<= ULTIMATE.start_main_~x~4 113)), 75410#(and (<= ULTIMATE.start_main_~x~4 112) (<= 112 ULTIMATE.start_main_~x~4)), 75413#(and (<= ULTIMATE.start_main_~x~4 115) (<= 115 ULTIMATE.start_main_~x~4)), 75412#(and (<= ULTIMATE.start_main_~x~4 114) (<= 114 ULTIMATE.start_main_~x~4)), 75415#(and (<= ULTIMATE.start_main_~x~4 117) (<= 117 ULTIMATE.start_main_~x~4)), 75414#(and (<= ULTIMATE.start_main_~x~4 116) (<= 116 ULTIMATE.start_main_~x~4)), 75417#(and (<= 119 ULTIMATE.start_main_~x~4) (<= ULTIMATE.start_main_~x~4 119)), 75416#(and (<= 118 ULTIMATE.start_main_~x~4) (<= ULTIMATE.start_main_~x~4 118)), 75419#(and (<= 121 ULTIMATE.start_main_~x~4) (<= ULTIMATE.start_main_~x~4 121)), 75418#(and (<= 120 ULTIMATE.start_main_~x~4) (<= ULTIMATE.start_main_~x~4 120)), 75421#(and (<= ULTIMATE.start_main_~x~4 123) (<= 123 ULTIMATE.start_main_~x~4)), 75420#(and (<= 122 ULTIMATE.start_main_~x~4) (<= ULTIMATE.start_main_~x~4 122)), 75423#(and (<= 125 ULTIMATE.start_main_~x~4) (<= ULTIMATE.start_main_~x~4 125)), 75422#(and (<= ULTIMATE.start_main_~x~4 124) (<= 124 ULTIMATE.start_main_~x~4)), 75424#(and (<= 126 ULTIMATE.start_main_~x~4) (<= ULTIMATE.start_main_~x~4 126))] [2018-07-23 13:51:37,629 INFO L134 CoverageAnalysis]: Checked inductivity of 16002 backedges. 0 proven. 16002 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-07-23 13:51:37,629 INFO L450 AbstractCegarLoop]: Interpolant automaton has 129 states [2018-07-23 13:51:37,630 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 129 interpolants. [2018-07-23 13:51:37,630 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=255, Invalid=16257, Unknown=0, NotChecked=0, Total=16512 [2018-07-23 13:51:37,631 INFO L87 Difference]: Start difference. First operand 257 states and 257 transitions. Second operand 129 states. [2018-07-23 13:51:38,789 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-07-23 13:51:38,789 INFO L93 Difference]: Finished difference Result 261 states and 261 transitions. [2018-07-23 13:51:38,789 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 129 states. [2018-07-23 13:51:38,789 INFO L78 Accepts]: Start accepts. Automaton has 129 states. Word has length 256 [2018-07-23 13:51:38,789 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-07-23 13:51:38,790 INFO L225 Difference]: With dead ends: 261 [2018-07-23 13:51:38,790 INFO L226 Difference]: Without dead ends: 259 [2018-07-23 13:51:38,791 INFO L575 BasicCegarLoop]: 0 DeclaredPredicates, 128 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 127 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.6s TimeCoverageRelationStatistics Valid=255, Invalid=16257, Unknown=0, NotChecked=0, Total=16512 [2018-07-23 13:51:38,792 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 259 states. [2018-07-23 13:51:38,798 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 259 to 259. [2018-07-23 13:51:38,798 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 259 states. [2018-07-23 13:51:38,799 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 259 states to 259 states and 259 transitions. [2018-07-23 13:51:38,799 INFO L78 Accepts]: Start accepts. Automaton has 259 states and 259 transitions. Word has length 256 [2018-07-23 13:51:38,799 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-07-23 13:51:38,799 INFO L471 AbstractCegarLoop]: Abstraction has 259 states and 259 transitions. [2018-07-23 13:51:38,799 INFO L472 AbstractCegarLoop]: Interpolant automaton has 129 states. [2018-07-23 13:51:38,799 INFO L276 IsEmpty]: Start isEmpty. Operand 259 states and 259 transitions. [2018-07-23 13:51:38,800 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 259 [2018-07-23 13:51:38,800 INFO L349 BasicCegarLoop]: Found error trace [2018-07-23 13:51:38,800 INFO L357 BasicCegarLoop]: trace histogram [128, 127, 1, 1, 1] [2018-07-23 13:51:38,800 INFO L414 AbstractCegarLoop]: === Iteration 128 === [ULTIMATE.startErr0AssertViolationASSERT]=== [2018-07-23 13:51:38,801 INFO L82 PathProgramCache]: Analyzing trace with hash -1464352627, now seen corresponding path program 127 times [2018-07-23 13:51:38,801 INFO L69 tionRefinementEngine]: Using refinement strategy FixedRefinementStrategy [2018-07-23 13:51:38,999 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-07-23 13:51:39,852 INFO L134 CoverageAnalysis]: Checked inductivity of 16256 backedges. 0 proven. 16256 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-07-23 13:51:39,853 INFO L309 seRefinementStrategy]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2018-07-23 13:51:39,853 INFO L324 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [129] total 129 [2018-07-23 13:51:39,853 INFO L142 lantAutomatonBuilder]: Constructing canonical interpolant automaton, with selfloop in false state [2018-07-23 13:51:39,853 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-07-23 13:51:39,854 INFO L185 omatonBuilderFactory]: Interpolants [76545#(and (<= ULTIMATE.start_main_~x~4 78) (<= 78 ULTIMATE.start_main_~x~4)), 76544#(and (<= ULTIMATE.start_main_~x~4 77) (<= 77 ULTIMATE.start_main_~x~4)), 76547#(and (<= ULTIMATE.start_main_~x~4 80) (<= 80 ULTIMATE.start_main_~x~4)), 76546#(and (<= 79 ULTIMATE.start_main_~x~4) (<= ULTIMATE.start_main_~x~4 79)), 76549#(and (<= ULTIMATE.start_main_~x~4 82) (<= 82 ULTIMATE.start_main_~x~4)), 76548#(and (<= ULTIMATE.start_main_~x~4 81) (<= 81 ULTIMATE.start_main_~x~4)), 76551#(and (<= ULTIMATE.start_main_~x~4 84) (<= 84 ULTIMATE.start_main_~x~4)), 76550#(and (<= 83 ULTIMATE.start_main_~x~4) (<= ULTIMATE.start_main_~x~4 83)), 76553#(and (<= 86 ULTIMATE.start_main_~x~4) (<= ULTIMATE.start_main_~x~4 86)), 76552#(and (<= 85 ULTIMATE.start_main_~x~4) (<= ULTIMATE.start_main_~x~4 85)), 76555#(and (<= 88 ULTIMATE.start_main_~x~4) (<= ULTIMATE.start_main_~x~4 88)), 76554#(and (<= ULTIMATE.start_main_~x~4 87) (<= 87 ULTIMATE.start_main_~x~4)), 76557#(and (<= ULTIMATE.start_main_~x~4 90) (<= 90 ULTIMATE.start_main_~x~4)), 76556#(and (<= ULTIMATE.start_main_~x~4 89) (<= 89 ULTIMATE.start_main_~x~4)), 76559#(and (<= ULTIMATE.start_main_~x~4 92) (<= 92 ULTIMATE.start_main_~x~4)), 76558#(and (<= ULTIMATE.start_main_~x~4 91) (<= 91 ULTIMATE.start_main_~x~4)), 76561#(and (<= ULTIMATE.start_main_~x~4 94) (<= 94 ULTIMATE.start_main_~x~4)), 76560#(and (<= ULTIMATE.start_main_~x~4 93) (<= 93 ULTIMATE.start_main_~x~4)), 76563#(and (<= ULTIMATE.start_main_~x~4 96) (<= 96 ULTIMATE.start_main_~x~4)), 76562#(and (<= 95 ULTIMATE.start_main_~x~4) (<= ULTIMATE.start_main_~x~4 95)), 76565#(and (<= ULTIMATE.start_main_~x~4 98) (<= 98 ULTIMATE.start_main_~x~4)), 76564#(and (<= 97 ULTIMATE.start_main_~x~4) (<= ULTIMATE.start_main_~x~4 97)), 76567#(and (<= ULTIMATE.start_main_~x~4 100) (<= 100 ULTIMATE.start_main_~x~4)), 76566#(and (<= 99 ULTIMATE.start_main_~x~4) (<= ULTIMATE.start_main_~x~4 99)), 76569#(and (<= 102 ULTIMATE.start_main_~x~4) (<= ULTIMATE.start_main_~x~4 102)), 76568#(and (<= ULTIMATE.start_main_~x~4 101) (<= 101 ULTIMATE.start_main_~x~4)), 76571#(and (<= ULTIMATE.start_main_~x~4 104) (<= 104 ULTIMATE.start_main_~x~4)), 76570#(and (<= 103 ULTIMATE.start_main_~x~4) (<= ULTIMATE.start_main_~x~4 103)), 76573#(and (<= 106 ULTIMATE.start_main_~x~4) (<= ULTIMATE.start_main_~x~4 106)), 76572#(and (<= 105 ULTIMATE.start_main_~x~4) (<= ULTIMATE.start_main_~x~4 105)), 76575#(and (<= 108 ULTIMATE.start_main_~x~4) (<= ULTIMATE.start_main_~x~4 108)), 76574#(and (<= 107 ULTIMATE.start_main_~x~4) (<= ULTIMATE.start_main_~x~4 107)), 76577#(and (<= 110 ULTIMATE.start_main_~x~4) (<= ULTIMATE.start_main_~x~4 110)), 76576#(and (<= ULTIMATE.start_main_~x~4 109) (<= 109 ULTIMATE.start_main_~x~4)), 76579#(and (<= ULTIMATE.start_main_~x~4 112) (<= 112 ULTIMATE.start_main_~x~4)), 76578#(and (<= ULTIMATE.start_main_~x~4 111) (<= 111 ULTIMATE.start_main_~x~4)), 76581#(and (<= ULTIMATE.start_main_~x~4 114) (<= 114 ULTIMATE.start_main_~x~4)), 76580#(and (<= 113 ULTIMATE.start_main_~x~4) (<= ULTIMATE.start_main_~x~4 113)), 76583#(and (<= ULTIMATE.start_main_~x~4 116) (<= 116 ULTIMATE.start_main_~x~4)), 76582#(and (<= ULTIMATE.start_main_~x~4 115) (<= 115 ULTIMATE.start_main_~x~4)), 76585#(and (<= 118 ULTIMATE.start_main_~x~4) (<= ULTIMATE.start_main_~x~4 118)), 76584#(and (<= ULTIMATE.start_main_~x~4 117) (<= 117 ULTIMATE.start_main_~x~4)), 76587#(and (<= 120 ULTIMATE.start_main_~x~4) (<= ULTIMATE.start_main_~x~4 120)), 76586#(and (<= 119 ULTIMATE.start_main_~x~4) (<= ULTIMATE.start_main_~x~4 119)), 76589#(and (<= 122 ULTIMATE.start_main_~x~4) (<= ULTIMATE.start_main_~x~4 122)), 76588#(and (<= 121 ULTIMATE.start_main_~x~4) (<= ULTIMATE.start_main_~x~4 121)), 76591#(and (<= ULTIMATE.start_main_~x~4 124) (<= 124 ULTIMATE.start_main_~x~4)), 76590#(and (<= ULTIMATE.start_main_~x~4 123) (<= 123 ULTIMATE.start_main_~x~4)), 76593#(and (<= 126 ULTIMATE.start_main_~x~4) (<= ULTIMATE.start_main_~x~4 126)), 76592#(and (<= 125 ULTIMATE.start_main_~x~4) (<= ULTIMATE.start_main_~x~4 125)), 76594#(and (<= ULTIMATE.start_main_~x~4 127) (<= 127 ULTIMATE.start_main_~x~4)), 76465#true, 76467#(and (<= ULTIMATE.start_main_~x~4 0) (<= 0 ULTIMATE.start_main_~x~4)), 76466#false, 76469#(and (<= 2 ULTIMATE.start_main_~x~4) (<= ULTIMATE.start_main_~x~4 2)), 76468#(and (<= ULTIMATE.start_main_~x~4 1) (<= 1 ULTIMATE.start_main_~x~4)), 76471#(and (<= ULTIMATE.start_main_~x~4 4) (<= 4 ULTIMATE.start_main_~x~4)), 76470#(and (<= 3 ULTIMATE.start_main_~x~4) (<= ULTIMATE.start_main_~x~4 3)), 76473#(and (<= 6 ULTIMATE.start_main_~x~4) (<= ULTIMATE.start_main_~x~4 6)), 76472#(and (<= ULTIMATE.start_main_~x~4 5) (<= 5 ULTIMATE.start_main_~x~4)), 76475#(and (<= ULTIMATE.start_main_~x~4 8) (<= 8 ULTIMATE.start_main_~x~4)), 76474#(and (<= ULTIMATE.start_main_~x~4 7) (<= 7 ULTIMATE.start_main_~x~4)), 76477#(and (<= ULTIMATE.start_main_~x~4 10) (<= 10 ULTIMATE.start_main_~x~4)), 76476#(and (<= 9 ULTIMATE.start_main_~x~4) (<= ULTIMATE.start_main_~x~4 9)), 76479#(and (<= 12 ULTIMATE.start_main_~x~4) (<= ULTIMATE.start_main_~x~4 12)), 76478#(and (<= ULTIMATE.start_main_~x~4 11) (<= 11 ULTIMATE.start_main_~x~4)), 76481#(and (<= 14 ULTIMATE.start_main_~x~4) (<= ULTIMATE.start_main_~x~4 14)), 76480#(and (<= ULTIMATE.start_main_~x~4 13) (<= 13 ULTIMATE.start_main_~x~4)), 76483#(and (<= ULTIMATE.start_main_~x~4 16) (<= 16 ULTIMATE.start_main_~x~4)), 76482#(and (<= 15 ULTIMATE.start_main_~x~4) (<= ULTIMATE.start_main_~x~4 15)), 76485#(and (<= 18 ULTIMATE.start_main_~x~4) (<= ULTIMATE.start_main_~x~4 18)), 76484#(and (<= ULTIMATE.start_main_~x~4 17) (<= 17 ULTIMATE.start_main_~x~4)), 76487#(and (<= 20 ULTIMATE.start_main_~x~4) (<= ULTIMATE.start_main_~x~4 20)), 76486#(and (<= 19 ULTIMATE.start_main_~x~4) (<= ULTIMATE.start_main_~x~4 19)), 76489#(and (<= ULTIMATE.start_main_~x~4 22) (<= 22 ULTIMATE.start_main_~x~4)), 76488#(and (<= ULTIMATE.start_main_~x~4 21) (<= 21 ULTIMATE.start_main_~x~4)), 76491#(and (<= ULTIMATE.start_main_~x~4 24) (<= 24 ULTIMATE.start_main_~x~4)), 76490#(and (<= ULTIMATE.start_main_~x~4 23) (<= 23 ULTIMATE.start_main_~x~4)), 76493#(and (<= ULTIMATE.start_main_~x~4 26) (<= 26 ULTIMATE.start_main_~x~4)), 76492#(and (<= ULTIMATE.start_main_~x~4 25) (<= 25 ULTIMATE.start_main_~x~4)), 76495#(and (<= ULTIMATE.start_main_~x~4 28) (<= 28 ULTIMATE.start_main_~x~4)), 76494#(and (<= ULTIMATE.start_main_~x~4 27) (<= 27 ULTIMATE.start_main_~x~4)), 76497#(and (<= ULTIMATE.start_main_~x~4 30) (<= 30 ULTIMATE.start_main_~x~4)), 76496#(and (<= 29 ULTIMATE.start_main_~x~4) (<= ULTIMATE.start_main_~x~4 29)), 76499#(and (<= ULTIMATE.start_main_~x~4 32) (<= 32 ULTIMATE.start_main_~x~4)), 76498#(and (<= ULTIMATE.start_main_~x~4 31) (<= 31 ULTIMATE.start_main_~x~4)), 76501#(and (<= 34 ULTIMATE.start_main_~x~4) (<= ULTIMATE.start_main_~x~4 34)), 76500#(and (<= ULTIMATE.start_main_~x~4 33) (<= 33 ULTIMATE.start_main_~x~4)), 76503#(and (<= 36 ULTIMATE.start_main_~x~4) (<= ULTIMATE.start_main_~x~4 36)), 76502#(and (<= ULTIMATE.start_main_~x~4 35) (<= 35 ULTIMATE.start_main_~x~4)), 76505#(and (<= 38 ULTIMATE.start_main_~x~4) (<= ULTIMATE.start_main_~x~4 38)), 76504#(and (<= ULTIMATE.start_main_~x~4 37) (<= 37 ULTIMATE.start_main_~x~4)), 76507#(and (<= ULTIMATE.start_main_~x~4 40) (<= 40 ULTIMATE.start_main_~x~4)), 76506#(and (<= ULTIMATE.start_main_~x~4 39) (<= 39 ULTIMATE.start_main_~x~4)), 76509#(and (<= ULTIMATE.start_main_~x~4 42) (<= 42 ULTIMATE.start_main_~x~4)), 76508#(and (<= ULTIMATE.start_main_~x~4 41) (<= 41 ULTIMATE.start_main_~x~4)), 76511#(and (<= 44 ULTIMATE.start_main_~x~4) (<= ULTIMATE.start_main_~x~4 44)), 76510#(and (<= ULTIMATE.start_main_~x~4 43) (<= 43 ULTIMATE.start_main_~x~4)), 76513#(and (<= ULTIMATE.start_main_~x~4 46) (<= 46 ULTIMATE.start_main_~x~4)), 76512#(and (<= 45 ULTIMATE.start_main_~x~4) (<= ULTIMATE.start_main_~x~4 45)), 76515#(and (<= 48 ULTIMATE.start_main_~x~4) (<= ULTIMATE.start_main_~x~4 48)), 76514#(and (<= 47 ULTIMATE.start_main_~x~4) (<= ULTIMATE.start_main_~x~4 47)), 76517#(and (<= ULTIMATE.start_main_~x~4 50) (<= 50 ULTIMATE.start_main_~x~4)), 76516#(and (<= 49 ULTIMATE.start_main_~x~4) (<= ULTIMATE.start_main_~x~4 49)), 76519#(and (<= ULTIMATE.start_main_~x~4 52) (<= 52 ULTIMATE.start_main_~x~4)), 76518#(and (<= 51 ULTIMATE.start_main_~x~4) (<= ULTIMATE.start_main_~x~4 51)), 76521#(and (<= ULTIMATE.start_main_~x~4 54) (<= 54 ULTIMATE.start_main_~x~4)), 76520#(and (<= 53 ULTIMATE.start_main_~x~4) (<= ULTIMATE.start_main_~x~4 53)), 76523#(and (<= 56 ULTIMATE.start_main_~x~4) (<= ULTIMATE.start_main_~x~4 56)), 76522#(and (<= 55 ULTIMATE.start_main_~x~4) (<= ULTIMATE.start_main_~x~4 55)), 76525#(and (<= 58 ULTIMATE.start_main_~x~4) (<= ULTIMATE.start_main_~x~4 58)), 76524#(and (<= 57 ULTIMATE.start_main_~x~4) (<= ULTIMATE.start_main_~x~4 57)), 76527#(and (<= 60 ULTIMATE.start_main_~x~4) (<= ULTIMATE.start_main_~x~4 60)), 76526#(and (<= ULTIMATE.start_main_~x~4 59) (<= 59 ULTIMATE.start_main_~x~4)), 76529#(and (<= ULTIMATE.start_main_~x~4 62) (<= 62 ULTIMATE.start_main_~x~4)), 76528#(and (<= 61 ULTIMATE.start_main_~x~4) (<= ULTIMATE.start_main_~x~4 61)), 76531#(and (<= ULTIMATE.start_main_~x~4 64) (<= 64 ULTIMATE.start_main_~x~4)), 76530#(and (<= 63 ULTIMATE.start_main_~x~4) (<= ULTIMATE.start_main_~x~4 63)), 76533#(and (<= 66 ULTIMATE.start_main_~x~4) (<= ULTIMATE.start_main_~x~4 66)), 76532#(and (<= 65 ULTIMATE.start_main_~x~4) (<= ULTIMATE.start_main_~x~4 65)), 76535#(and (<= ULTIMATE.start_main_~x~4 68) (<= 68 ULTIMATE.start_main_~x~4)), 76534#(and (<= 67 ULTIMATE.start_main_~x~4) (<= ULTIMATE.start_main_~x~4 67)), 76537#(and (<= ULTIMATE.start_main_~x~4 70) (<= 70 ULTIMATE.start_main_~x~4)), 76536#(and (<= 69 ULTIMATE.start_main_~x~4) (<= ULTIMATE.start_main_~x~4 69)), 76539#(and (<= 72 ULTIMATE.start_main_~x~4) (<= ULTIMATE.start_main_~x~4 72)), 76538#(and (<= 71 ULTIMATE.start_main_~x~4) (<= ULTIMATE.start_main_~x~4 71)), 76541#(and (<= 74 ULTIMATE.start_main_~x~4) (<= ULTIMATE.start_main_~x~4 74)), 76540#(and (<= ULTIMATE.start_main_~x~4 73) (<= 73 ULTIMATE.start_main_~x~4)), 76543#(and (<= ULTIMATE.start_main_~x~4 76) (<= 76 ULTIMATE.start_main_~x~4)), 76542#(and (<= ULTIMATE.start_main_~x~4 75) (<= 75 ULTIMATE.start_main_~x~4))] [2018-07-23 13:51:39,855 INFO L134 CoverageAnalysis]: Checked inductivity of 16256 backedges. 0 proven. 16256 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-07-23 13:51:39,855 INFO L450 AbstractCegarLoop]: Interpolant automaton has 130 states [2018-07-23 13:51:39,856 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 130 interpolants. [2018-07-23 13:51:39,857 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=257, Invalid=16513, Unknown=0, NotChecked=0, Total=16770 [2018-07-23 13:51:39,857 INFO L87 Difference]: Start difference. First operand 259 states and 259 transitions. Second operand 130 states. [2018-07-23 13:51:41,010 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-07-23 13:51:41,011 INFO L93 Difference]: Finished difference Result 263 states and 263 transitions. [2018-07-23 13:51:41,011 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 130 states. [2018-07-23 13:51:41,011 INFO L78 Accepts]: Start accepts. Automaton has 130 states. Word has length 258 [2018-07-23 13:51:41,011 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-07-23 13:51:41,012 INFO L225 Difference]: With dead ends: 263 [2018-07-23 13:51:41,012 INFO L226 Difference]: Without dead ends: 261 [2018-07-23 13:51:41,013 INFO L575 BasicCegarLoop]: 0 DeclaredPredicates, 129 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 128 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.6s TimeCoverageRelationStatistics Valid=257, Invalid=16513, Unknown=0, NotChecked=0, Total=16770 [2018-07-23 13:51:41,014 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 261 states. [2018-07-23 13:51:41,020 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 261 to 261. [2018-07-23 13:51:41,021 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 261 states. [2018-07-23 13:51:41,021 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 261 states to 261 states and 261 transitions. [2018-07-23 13:51:41,021 INFO L78 Accepts]: Start accepts. Automaton has 261 states and 261 transitions. Word has length 258 [2018-07-23 13:51:41,022 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-07-23 13:51:41,022 INFO L471 AbstractCegarLoop]: Abstraction has 261 states and 261 transitions. [2018-07-23 13:51:41,022 INFO L472 AbstractCegarLoop]: Interpolant automaton has 130 states. [2018-07-23 13:51:41,022 INFO L276 IsEmpty]: Start isEmpty. Operand 261 states and 261 transitions. [2018-07-23 13:51:41,023 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 261 [2018-07-23 13:51:41,023 INFO L349 BasicCegarLoop]: Found error trace [2018-07-23 13:51:41,023 INFO L357 BasicCegarLoop]: trace histogram [129, 128, 1, 1, 1] [2018-07-23 13:51:41,023 INFO L414 AbstractCegarLoop]: === Iteration 129 === [ULTIMATE.startErr0AssertViolationASSERT]=== [2018-07-23 13:51:41,023 INFO L82 PathProgramCache]: Analyzing trace with hash 1506450631, now seen corresponding path program 128 times [2018-07-23 13:51:41,023 INFO L69 tionRefinementEngine]: Using refinement strategy FixedRefinementStrategy [2018-07-23 13:51:41,223 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-07-23 13:51:42,116 INFO L134 CoverageAnalysis]: Checked inductivity of 16512 backedges. 0 proven. 16512 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-07-23 13:51:42,117 INFO L309 seRefinementStrategy]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2018-07-23 13:51:42,117 INFO L324 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [130] total 130 [2018-07-23 13:51:42,117 INFO L142 lantAutomatonBuilder]: Constructing canonical interpolant automaton, with selfloop in false state [2018-07-23 13:51:42,117 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-07-23 13:51:42,118 INFO L185 omatonBuilderFactory]: Interpolants [77643#true, 77645#(and (<= ULTIMATE.start_main_~x~4 0) (<= 0 ULTIMATE.start_main_~x~4)), 77644#false, 77647#(and (<= 2 ULTIMATE.start_main_~x~4) (<= ULTIMATE.start_main_~x~4 2)), 77646#(and (<= ULTIMATE.start_main_~x~4 1) (<= 1 ULTIMATE.start_main_~x~4)), 77649#(and (<= ULTIMATE.start_main_~x~4 4) (<= 4 ULTIMATE.start_main_~x~4)), 77648#(and (<= 3 ULTIMATE.start_main_~x~4) (<= ULTIMATE.start_main_~x~4 3)), 77651#(and (<= 6 ULTIMATE.start_main_~x~4) (<= ULTIMATE.start_main_~x~4 6)), 77650#(and (<= ULTIMATE.start_main_~x~4 5) (<= 5 ULTIMATE.start_main_~x~4)), 77653#(and (<= ULTIMATE.start_main_~x~4 8) (<= 8 ULTIMATE.start_main_~x~4)), 77652#(and (<= ULTIMATE.start_main_~x~4 7) (<= 7 ULTIMATE.start_main_~x~4)), 77655#(and (<= ULTIMATE.start_main_~x~4 10) (<= 10 ULTIMATE.start_main_~x~4)), 77654#(and (<= 9 ULTIMATE.start_main_~x~4) (<= ULTIMATE.start_main_~x~4 9)), 77657#(and (<= 12 ULTIMATE.start_main_~x~4) (<= ULTIMATE.start_main_~x~4 12)), 77656#(and (<= ULTIMATE.start_main_~x~4 11) (<= 11 ULTIMATE.start_main_~x~4)), 77659#(and (<= 14 ULTIMATE.start_main_~x~4) (<= ULTIMATE.start_main_~x~4 14)), 77658#(and (<= ULTIMATE.start_main_~x~4 13) (<= 13 ULTIMATE.start_main_~x~4)), 77661#(and (<= ULTIMATE.start_main_~x~4 16) (<= 16 ULTIMATE.start_main_~x~4)), 77660#(and (<= 15 ULTIMATE.start_main_~x~4) (<= ULTIMATE.start_main_~x~4 15)), 77663#(and (<= 18 ULTIMATE.start_main_~x~4) (<= ULTIMATE.start_main_~x~4 18)), 77662#(and (<= ULTIMATE.start_main_~x~4 17) (<= 17 ULTIMATE.start_main_~x~4)), 77665#(and (<= 20 ULTIMATE.start_main_~x~4) (<= ULTIMATE.start_main_~x~4 20)), 77664#(and (<= 19 ULTIMATE.start_main_~x~4) (<= ULTIMATE.start_main_~x~4 19)), 77667#(and (<= ULTIMATE.start_main_~x~4 22) (<= 22 ULTIMATE.start_main_~x~4)), 77666#(and (<= ULTIMATE.start_main_~x~4 21) (<= 21 ULTIMATE.start_main_~x~4)), 77669#(and (<= ULTIMATE.start_main_~x~4 24) (<= 24 ULTIMATE.start_main_~x~4)), 77668#(and (<= ULTIMATE.start_main_~x~4 23) (<= 23 ULTIMATE.start_main_~x~4)), 77671#(and (<= ULTIMATE.start_main_~x~4 26) (<= 26 ULTIMATE.start_main_~x~4)), 77670#(and (<= ULTIMATE.start_main_~x~4 25) (<= 25 ULTIMATE.start_main_~x~4)), 77673#(and (<= ULTIMATE.start_main_~x~4 28) (<= 28 ULTIMATE.start_main_~x~4)), 77672#(and (<= ULTIMATE.start_main_~x~4 27) (<= 27 ULTIMATE.start_main_~x~4)), 77675#(and (<= ULTIMATE.start_main_~x~4 30) (<= 30 ULTIMATE.start_main_~x~4)), 77674#(and (<= 29 ULTIMATE.start_main_~x~4) (<= ULTIMATE.start_main_~x~4 29)), 77677#(and (<= ULTIMATE.start_main_~x~4 32) (<= 32 ULTIMATE.start_main_~x~4)), 77676#(and (<= ULTIMATE.start_main_~x~4 31) (<= 31 ULTIMATE.start_main_~x~4)), 77679#(and (<= 34 ULTIMATE.start_main_~x~4) (<= ULTIMATE.start_main_~x~4 34)), 77678#(and (<= ULTIMATE.start_main_~x~4 33) (<= 33 ULTIMATE.start_main_~x~4)), 77681#(and (<= 36 ULTIMATE.start_main_~x~4) (<= ULTIMATE.start_main_~x~4 36)), 77680#(and (<= ULTIMATE.start_main_~x~4 35) (<= 35 ULTIMATE.start_main_~x~4)), 77683#(and (<= 38 ULTIMATE.start_main_~x~4) (<= ULTIMATE.start_main_~x~4 38)), 77682#(and (<= ULTIMATE.start_main_~x~4 37) (<= 37 ULTIMATE.start_main_~x~4)), 77685#(and (<= ULTIMATE.start_main_~x~4 40) (<= 40 ULTIMATE.start_main_~x~4)), 77684#(and (<= ULTIMATE.start_main_~x~4 39) (<= 39 ULTIMATE.start_main_~x~4)), 77687#(and (<= ULTIMATE.start_main_~x~4 42) (<= 42 ULTIMATE.start_main_~x~4)), 77686#(and (<= ULTIMATE.start_main_~x~4 41) (<= 41 ULTIMATE.start_main_~x~4)), 77689#(and (<= 44 ULTIMATE.start_main_~x~4) (<= ULTIMATE.start_main_~x~4 44)), 77688#(and (<= ULTIMATE.start_main_~x~4 43) (<= 43 ULTIMATE.start_main_~x~4)), 77691#(and (<= ULTIMATE.start_main_~x~4 46) (<= 46 ULTIMATE.start_main_~x~4)), 77690#(and (<= 45 ULTIMATE.start_main_~x~4) (<= ULTIMATE.start_main_~x~4 45)), 77693#(and (<= 48 ULTIMATE.start_main_~x~4) (<= ULTIMATE.start_main_~x~4 48)), 77692#(and (<= 47 ULTIMATE.start_main_~x~4) (<= ULTIMATE.start_main_~x~4 47)), 77695#(and (<= ULTIMATE.start_main_~x~4 50) (<= 50 ULTIMATE.start_main_~x~4)), 77694#(and (<= 49 ULTIMATE.start_main_~x~4) (<= ULTIMATE.start_main_~x~4 49)), 77697#(and (<= ULTIMATE.start_main_~x~4 52) (<= 52 ULTIMATE.start_main_~x~4)), 77696#(and (<= 51 ULTIMATE.start_main_~x~4) (<= ULTIMATE.start_main_~x~4 51)), 77699#(and (<= ULTIMATE.start_main_~x~4 54) (<= 54 ULTIMATE.start_main_~x~4)), 77698#(and (<= 53 ULTIMATE.start_main_~x~4) (<= ULTIMATE.start_main_~x~4 53)), 77701#(and (<= 56 ULTIMATE.start_main_~x~4) (<= ULTIMATE.start_main_~x~4 56)), 77700#(and (<= 55 ULTIMATE.start_main_~x~4) (<= ULTIMATE.start_main_~x~4 55)), 77703#(and (<= 58 ULTIMATE.start_main_~x~4) (<= ULTIMATE.start_main_~x~4 58)), 77702#(and (<= 57 ULTIMATE.start_main_~x~4) (<= ULTIMATE.start_main_~x~4 57)), 77705#(and (<= 60 ULTIMATE.start_main_~x~4) (<= ULTIMATE.start_main_~x~4 60)), 77704#(and (<= ULTIMATE.start_main_~x~4 59) (<= 59 ULTIMATE.start_main_~x~4)), 77707#(and (<= ULTIMATE.start_main_~x~4 62) (<= 62 ULTIMATE.start_main_~x~4)), 77706#(and (<= 61 ULTIMATE.start_main_~x~4) (<= ULTIMATE.start_main_~x~4 61)), 77709#(and (<= ULTIMATE.start_main_~x~4 64) (<= 64 ULTIMATE.start_main_~x~4)), 77708#(and (<= 63 ULTIMATE.start_main_~x~4) (<= ULTIMATE.start_main_~x~4 63)), 77711#(and (<= 66 ULTIMATE.start_main_~x~4) (<= ULTIMATE.start_main_~x~4 66)), 77710#(and (<= 65 ULTIMATE.start_main_~x~4) (<= ULTIMATE.start_main_~x~4 65)), 77713#(and (<= ULTIMATE.start_main_~x~4 68) (<= 68 ULTIMATE.start_main_~x~4)), 77712#(and (<= 67 ULTIMATE.start_main_~x~4) (<= ULTIMATE.start_main_~x~4 67)), 77715#(and (<= ULTIMATE.start_main_~x~4 70) (<= 70 ULTIMATE.start_main_~x~4)), 77714#(and (<= 69 ULTIMATE.start_main_~x~4) (<= ULTIMATE.start_main_~x~4 69)), 77717#(and (<= 72 ULTIMATE.start_main_~x~4) (<= ULTIMATE.start_main_~x~4 72)), 77716#(and (<= 71 ULTIMATE.start_main_~x~4) (<= ULTIMATE.start_main_~x~4 71)), 77719#(and (<= 74 ULTIMATE.start_main_~x~4) (<= ULTIMATE.start_main_~x~4 74)), 77718#(and (<= ULTIMATE.start_main_~x~4 73) (<= 73 ULTIMATE.start_main_~x~4)), 77721#(and (<= ULTIMATE.start_main_~x~4 76) (<= 76 ULTIMATE.start_main_~x~4)), 77720#(and (<= ULTIMATE.start_main_~x~4 75) (<= 75 ULTIMATE.start_main_~x~4)), 77723#(and (<= ULTIMATE.start_main_~x~4 78) (<= 78 ULTIMATE.start_main_~x~4)), 77722#(and (<= ULTIMATE.start_main_~x~4 77) (<= 77 ULTIMATE.start_main_~x~4)), 77725#(and (<= ULTIMATE.start_main_~x~4 80) (<= 80 ULTIMATE.start_main_~x~4)), 77724#(and (<= 79 ULTIMATE.start_main_~x~4) (<= ULTIMATE.start_main_~x~4 79)), 77727#(and (<= ULTIMATE.start_main_~x~4 82) (<= 82 ULTIMATE.start_main_~x~4)), 77726#(and (<= ULTIMATE.start_main_~x~4 81) (<= 81 ULTIMATE.start_main_~x~4)), 77729#(and (<= ULTIMATE.start_main_~x~4 84) (<= 84 ULTIMATE.start_main_~x~4)), 77728#(and (<= 83 ULTIMATE.start_main_~x~4) (<= ULTIMATE.start_main_~x~4 83)), 77731#(and (<= 86 ULTIMATE.start_main_~x~4) (<= ULTIMATE.start_main_~x~4 86)), 77730#(and (<= 85 ULTIMATE.start_main_~x~4) (<= ULTIMATE.start_main_~x~4 85)), 77733#(and (<= 88 ULTIMATE.start_main_~x~4) (<= ULTIMATE.start_main_~x~4 88)), 77732#(and (<= ULTIMATE.start_main_~x~4 87) (<= 87 ULTIMATE.start_main_~x~4)), 77735#(and (<= ULTIMATE.start_main_~x~4 90) (<= 90 ULTIMATE.start_main_~x~4)), 77734#(and (<= ULTIMATE.start_main_~x~4 89) (<= 89 ULTIMATE.start_main_~x~4)), 77737#(and (<= ULTIMATE.start_main_~x~4 92) (<= 92 ULTIMATE.start_main_~x~4)), 77736#(and (<= ULTIMATE.start_main_~x~4 91) (<= 91 ULTIMATE.start_main_~x~4)), 77739#(and (<= ULTIMATE.start_main_~x~4 94) (<= 94 ULTIMATE.start_main_~x~4)), 77738#(and (<= ULTIMATE.start_main_~x~4 93) (<= 93 ULTIMATE.start_main_~x~4)), 77741#(and (<= ULTIMATE.start_main_~x~4 96) (<= 96 ULTIMATE.start_main_~x~4)), 77740#(and (<= 95 ULTIMATE.start_main_~x~4) (<= ULTIMATE.start_main_~x~4 95)), 77743#(and (<= ULTIMATE.start_main_~x~4 98) (<= 98 ULTIMATE.start_main_~x~4)), 77742#(and (<= 97 ULTIMATE.start_main_~x~4) (<= ULTIMATE.start_main_~x~4 97)), 77745#(and (<= ULTIMATE.start_main_~x~4 100) (<= 100 ULTIMATE.start_main_~x~4)), 77744#(and (<= 99 ULTIMATE.start_main_~x~4) (<= ULTIMATE.start_main_~x~4 99)), 77747#(and (<= 102 ULTIMATE.start_main_~x~4) (<= ULTIMATE.start_main_~x~4 102)), 77746#(and (<= ULTIMATE.start_main_~x~4 101) (<= 101 ULTIMATE.start_main_~x~4)), 77749#(and (<= ULTIMATE.start_main_~x~4 104) (<= 104 ULTIMATE.start_main_~x~4)), 77748#(and (<= 103 ULTIMATE.start_main_~x~4) (<= ULTIMATE.start_main_~x~4 103)), 77751#(and (<= 106 ULTIMATE.start_main_~x~4) (<= ULTIMATE.start_main_~x~4 106)), 77750#(and (<= 105 ULTIMATE.start_main_~x~4) (<= ULTIMATE.start_main_~x~4 105)), 77753#(and (<= 108 ULTIMATE.start_main_~x~4) (<= ULTIMATE.start_main_~x~4 108)), 77752#(and (<= 107 ULTIMATE.start_main_~x~4) (<= ULTIMATE.start_main_~x~4 107)), 77755#(and (<= 110 ULTIMATE.start_main_~x~4) (<= ULTIMATE.start_main_~x~4 110)), 77754#(and (<= ULTIMATE.start_main_~x~4 109) (<= 109 ULTIMATE.start_main_~x~4)), 77757#(and (<= ULTIMATE.start_main_~x~4 112) (<= 112 ULTIMATE.start_main_~x~4)), 77756#(and (<= ULTIMATE.start_main_~x~4 111) (<= 111 ULTIMATE.start_main_~x~4)), 77759#(and (<= ULTIMATE.start_main_~x~4 114) (<= 114 ULTIMATE.start_main_~x~4)), 77758#(and (<= 113 ULTIMATE.start_main_~x~4) (<= ULTIMATE.start_main_~x~4 113)), 77761#(and (<= ULTIMATE.start_main_~x~4 116) (<= 116 ULTIMATE.start_main_~x~4)), 77760#(and (<= ULTIMATE.start_main_~x~4 115) (<= 115 ULTIMATE.start_main_~x~4)), 77763#(and (<= 118 ULTIMATE.start_main_~x~4) (<= ULTIMATE.start_main_~x~4 118)), 77762#(and (<= ULTIMATE.start_main_~x~4 117) (<= 117 ULTIMATE.start_main_~x~4)), 77765#(and (<= 120 ULTIMATE.start_main_~x~4) (<= ULTIMATE.start_main_~x~4 120)), 77764#(and (<= 119 ULTIMATE.start_main_~x~4) (<= ULTIMATE.start_main_~x~4 119)), 77767#(and (<= 122 ULTIMATE.start_main_~x~4) (<= ULTIMATE.start_main_~x~4 122)), 77766#(and (<= 121 ULTIMATE.start_main_~x~4) (<= ULTIMATE.start_main_~x~4 121)), 77769#(and (<= ULTIMATE.start_main_~x~4 124) (<= 124 ULTIMATE.start_main_~x~4)), 77768#(and (<= ULTIMATE.start_main_~x~4 123) (<= 123 ULTIMATE.start_main_~x~4)), 77771#(and (<= 126 ULTIMATE.start_main_~x~4) (<= ULTIMATE.start_main_~x~4 126)), 77770#(and (<= 125 ULTIMATE.start_main_~x~4) (<= ULTIMATE.start_main_~x~4 125)), 77773#(and (<= 128 ULTIMATE.start_main_~x~4) (<= ULTIMATE.start_main_~x~4 128)), 77772#(and (<= ULTIMATE.start_main_~x~4 127) (<= 127 ULTIMATE.start_main_~x~4))] [2018-07-23 13:51:42,119 INFO L134 CoverageAnalysis]: Checked inductivity of 16512 backedges. 0 proven. 16512 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-07-23 13:51:42,119 INFO L450 AbstractCegarLoop]: Interpolant automaton has 131 states [2018-07-23 13:51:42,119 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 131 interpolants. [2018-07-23 13:51:42,120 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=259, Invalid=16771, Unknown=0, NotChecked=0, Total=17030 [2018-07-23 13:51:42,120 INFO L87 Difference]: Start difference. First operand 261 states and 261 transitions. Second operand 131 states. [2018-07-23 13:51:43,349 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-07-23 13:51:43,349 INFO L93 Difference]: Finished difference Result 265 states and 265 transitions. [2018-07-23 13:51:43,349 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 131 states. [2018-07-23 13:51:43,349 INFO L78 Accepts]: Start accepts. Automaton has 131 states. Word has length 260 [2018-07-23 13:51:43,349 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-07-23 13:51:43,350 INFO L225 Difference]: With dead ends: 265 [2018-07-23 13:51:43,350 INFO L226 Difference]: Without dead ends: 263 [2018-07-23 13:51:43,351 INFO L575 BasicCegarLoop]: 0 DeclaredPredicates, 130 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 129 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.6s TimeCoverageRelationStatistics Valid=259, Invalid=16771, Unknown=0, NotChecked=0, Total=17030 [2018-07-23 13:51:43,351 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 263 states. [2018-07-23 13:51:43,357 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 263 to 263. [2018-07-23 13:51:43,357 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 263 states. [2018-07-23 13:51:43,358 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 263 states to 263 states and 263 transitions. [2018-07-23 13:51:43,358 INFO L78 Accepts]: Start accepts. Automaton has 263 states and 263 transitions. Word has length 260 [2018-07-23 13:51:43,358 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-07-23 13:51:43,358 INFO L471 AbstractCegarLoop]: Abstraction has 263 states and 263 transitions. [2018-07-23 13:51:43,358 INFO L472 AbstractCegarLoop]: Interpolant automaton has 131 states. [2018-07-23 13:51:43,358 INFO L276 IsEmpty]: Start isEmpty. Operand 263 states and 263 transitions. [2018-07-23 13:51:43,359 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 263 [2018-07-23 13:51:43,359 INFO L349 BasicCegarLoop]: Found error trace [2018-07-23 13:51:43,359 INFO L357 BasicCegarLoop]: trace histogram [130, 129, 1, 1, 1] [2018-07-23 13:51:43,359 INFO L414 AbstractCegarLoop]: === Iteration 130 === [ULTIMATE.startErr0AssertViolationASSERT]=== [2018-07-23 13:51:43,359 INFO L82 PathProgramCache]: Analyzing trace with hash 295129729, now seen corresponding path program 129 times [2018-07-23 13:51:43,359 INFO L69 tionRefinementEngine]: Using refinement strategy FixedRefinementStrategy [2018-07-23 13:51:43,566 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-07-23 13:51:44,441 INFO L134 CoverageAnalysis]: Checked inductivity of 16770 backedges. 0 proven. 16770 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-07-23 13:51:44,441 INFO L309 seRefinementStrategy]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2018-07-23 13:51:44,441 INFO L324 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [131] total 131 [2018-07-23 13:51:44,441 INFO L142 lantAutomatonBuilder]: Constructing canonical interpolant automaton, with selfloop in false state [2018-07-23 13:51:44,442 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 13:51:44,442 INFO L185 omatonBuilderFactory]: Interpolants [78849#(and (<= ULTIMATE.start_main_~x~4 17) (<= 17 ULTIMATE.start_main_~x~4)), 78848#(and (<= ULTIMATE.start_main_~x~4 16) (<= 16 ULTIMATE.start_main_~x~4)), 78851#(and (<= 19 ULTIMATE.start_main_~x~4) (<= ULTIMATE.start_main_~x~4 19)), 78850#(and (<= 18 ULTIMATE.start_main_~x~4) (<= ULTIMATE.start_main_~x~4 18)), 78853#(and (<= ULTIMATE.start_main_~x~4 21) (<= 21 ULTIMATE.start_main_~x~4)), 78852#(and (<= 20 ULTIMATE.start_main_~x~4) (<= ULTIMATE.start_main_~x~4 20)), 78855#(and (<= ULTIMATE.start_main_~x~4 23) (<= 23 ULTIMATE.start_main_~x~4)), 78854#(and (<= ULTIMATE.start_main_~x~4 22) (<= 22 ULTIMATE.start_main_~x~4)), 78857#(and (<= ULTIMATE.start_main_~x~4 25) (<= 25 ULTIMATE.start_main_~x~4)), 78856#(and (<= ULTIMATE.start_main_~x~4 24) (<= 24 ULTIMATE.start_main_~x~4)), 78859#(and (<= ULTIMATE.start_main_~x~4 27) (<= 27 ULTIMATE.start_main_~x~4)), 78858#(and (<= ULTIMATE.start_main_~x~4 26) (<= 26 ULTIMATE.start_main_~x~4)), 78861#(and (<= 29 ULTIMATE.start_main_~x~4) (<= ULTIMATE.start_main_~x~4 29)), 78860#(and (<= ULTIMATE.start_main_~x~4 28) (<= 28 ULTIMATE.start_main_~x~4)), 78863#(and (<= ULTIMATE.start_main_~x~4 31) (<= 31 ULTIMATE.start_main_~x~4)), 78862#(and (<= ULTIMATE.start_main_~x~4 30) (<= 30 ULTIMATE.start_main_~x~4)), 78865#(and (<= ULTIMATE.start_main_~x~4 33) (<= 33 ULTIMATE.start_main_~x~4)), 78864#(and (<= ULTIMATE.start_main_~x~4 32) (<= 32 ULTIMATE.start_main_~x~4)), 78867#(and (<= ULTIMATE.start_main_~x~4 35) (<= 35 ULTIMATE.start_main_~x~4)), 78866#(and (<= 34 ULTIMATE.start_main_~x~4) (<= ULTIMATE.start_main_~x~4 34)), 78869#(and (<= ULTIMATE.start_main_~x~4 37) (<= 37 ULTIMATE.start_main_~x~4)), 78868#(and (<= 36 ULTIMATE.start_main_~x~4) (<= ULTIMATE.start_main_~x~4 36)), 78871#(and (<= ULTIMATE.start_main_~x~4 39) (<= 39 ULTIMATE.start_main_~x~4)), 78870#(and (<= 38 ULTIMATE.start_main_~x~4) (<= ULTIMATE.start_main_~x~4 38)), 78873#(and (<= ULTIMATE.start_main_~x~4 41) (<= 41 ULTIMATE.start_main_~x~4)), 78872#(and (<= ULTIMATE.start_main_~x~4 40) (<= 40 ULTIMATE.start_main_~x~4)), 78875#(and (<= ULTIMATE.start_main_~x~4 43) (<= 43 ULTIMATE.start_main_~x~4)), 78874#(and (<= ULTIMATE.start_main_~x~4 42) (<= 42 ULTIMATE.start_main_~x~4)), 78877#(and (<= 45 ULTIMATE.start_main_~x~4) (<= ULTIMATE.start_main_~x~4 45)), 78876#(and (<= 44 ULTIMATE.start_main_~x~4) (<= ULTIMATE.start_main_~x~4 44)), 78879#(and (<= 47 ULTIMATE.start_main_~x~4) (<= ULTIMATE.start_main_~x~4 47)), 78878#(and (<= ULTIMATE.start_main_~x~4 46) (<= 46 ULTIMATE.start_main_~x~4)), 78881#(and (<= 49 ULTIMATE.start_main_~x~4) (<= ULTIMATE.start_main_~x~4 49)), 78880#(and (<= 48 ULTIMATE.start_main_~x~4) (<= ULTIMATE.start_main_~x~4 48)), 78883#(and (<= 51 ULTIMATE.start_main_~x~4) (<= ULTIMATE.start_main_~x~4 51)), 78882#(and (<= ULTIMATE.start_main_~x~4 50) (<= 50 ULTIMATE.start_main_~x~4)), 78885#(and (<= 53 ULTIMATE.start_main_~x~4) (<= ULTIMATE.start_main_~x~4 53)), 78884#(and (<= ULTIMATE.start_main_~x~4 52) (<= 52 ULTIMATE.start_main_~x~4)), 78887#(and (<= 55 ULTIMATE.start_main_~x~4) (<= ULTIMATE.start_main_~x~4 55)), 78886#(and (<= ULTIMATE.start_main_~x~4 54) (<= 54 ULTIMATE.start_main_~x~4)), 78889#(and (<= 57 ULTIMATE.start_main_~x~4) (<= ULTIMATE.start_main_~x~4 57)), 78888#(and (<= 56 ULTIMATE.start_main_~x~4) (<= ULTIMATE.start_main_~x~4 56)), 78891#(and (<= ULTIMATE.start_main_~x~4 59) (<= 59 ULTIMATE.start_main_~x~4)), 78890#(and (<= 58 ULTIMATE.start_main_~x~4) (<= ULTIMATE.start_main_~x~4 58)), 78893#(and (<= 61 ULTIMATE.start_main_~x~4) (<= ULTIMATE.start_main_~x~4 61)), 78892#(and (<= 60 ULTIMATE.start_main_~x~4) (<= ULTIMATE.start_main_~x~4 60)), 78895#(and (<= 63 ULTIMATE.start_main_~x~4) (<= ULTIMATE.start_main_~x~4 63)), 78894#(and (<= ULTIMATE.start_main_~x~4 62) (<= 62 ULTIMATE.start_main_~x~4)), 78897#(and (<= 65 ULTIMATE.start_main_~x~4) (<= ULTIMATE.start_main_~x~4 65)), 78896#(and (<= ULTIMATE.start_main_~x~4 64) (<= 64 ULTIMATE.start_main_~x~4)), 78899#(and (<= 67 ULTIMATE.start_main_~x~4) (<= ULTIMATE.start_main_~x~4 67)), 78898#(and (<= 66 ULTIMATE.start_main_~x~4) (<= ULTIMATE.start_main_~x~4 66)), 78901#(and (<= 69 ULTIMATE.start_main_~x~4) (<= ULTIMATE.start_main_~x~4 69)), 78900#(and (<= ULTIMATE.start_main_~x~4 68) (<= 68 ULTIMATE.start_main_~x~4)), 78903#(and (<= 71 ULTIMATE.start_main_~x~4) (<= ULTIMATE.start_main_~x~4 71)), 78902#(and (<= ULTIMATE.start_main_~x~4 70) (<= 70 ULTIMATE.start_main_~x~4)), 78905#(and (<= ULTIMATE.start_main_~x~4 73) (<= 73 ULTIMATE.start_main_~x~4)), 78904#(and (<= 72 ULTIMATE.start_main_~x~4) (<= ULTIMATE.start_main_~x~4 72)), 78907#(and (<= ULTIMATE.start_main_~x~4 75) (<= 75 ULTIMATE.start_main_~x~4)), 78906#(and (<= 74 ULTIMATE.start_main_~x~4) (<= ULTIMATE.start_main_~x~4 74)), 78909#(and (<= ULTIMATE.start_main_~x~4 77) (<= 77 ULTIMATE.start_main_~x~4)), 78908#(and (<= ULTIMATE.start_main_~x~4 76) (<= 76 ULTIMATE.start_main_~x~4)), 78911#(and (<= 79 ULTIMATE.start_main_~x~4) (<= ULTIMATE.start_main_~x~4 79)), 78910#(and (<= ULTIMATE.start_main_~x~4 78) (<= 78 ULTIMATE.start_main_~x~4)), 78913#(and (<= ULTIMATE.start_main_~x~4 81) (<= 81 ULTIMATE.start_main_~x~4)), 78912#(and (<= ULTIMATE.start_main_~x~4 80) (<= 80 ULTIMATE.start_main_~x~4)), 78915#(and (<= 83 ULTIMATE.start_main_~x~4) (<= ULTIMATE.start_main_~x~4 83)), 78914#(and (<= ULTIMATE.start_main_~x~4 82) (<= 82 ULTIMATE.start_main_~x~4)), 78917#(and (<= 85 ULTIMATE.start_main_~x~4) (<= ULTIMATE.start_main_~x~4 85)), 78916#(and (<= ULTIMATE.start_main_~x~4 84) (<= 84 ULTIMATE.start_main_~x~4)), 78919#(and (<= ULTIMATE.start_main_~x~4 87) (<= 87 ULTIMATE.start_main_~x~4)), 78918#(and (<= 86 ULTIMATE.start_main_~x~4) (<= ULTIMATE.start_main_~x~4 86)), 78921#(and (<= ULTIMATE.start_main_~x~4 89) (<= 89 ULTIMATE.start_main_~x~4)), 78920#(and (<= 88 ULTIMATE.start_main_~x~4) (<= ULTIMATE.start_main_~x~4 88)), 78923#(and (<= ULTIMATE.start_main_~x~4 91) (<= 91 ULTIMATE.start_main_~x~4)), 78922#(and (<= ULTIMATE.start_main_~x~4 90) (<= 90 ULTIMATE.start_main_~x~4)), 78925#(and (<= ULTIMATE.start_main_~x~4 93) (<= 93 ULTIMATE.start_main_~x~4)), 78924#(and (<= ULTIMATE.start_main_~x~4 92) (<= 92 ULTIMATE.start_main_~x~4)), 78927#(and (<= 95 ULTIMATE.start_main_~x~4) (<= ULTIMATE.start_main_~x~4 95)), 78926#(and (<= ULTIMATE.start_main_~x~4 94) (<= 94 ULTIMATE.start_main_~x~4)), 78929#(and (<= 97 ULTIMATE.start_main_~x~4) (<= ULTIMATE.start_main_~x~4 97)), 78928#(and (<= ULTIMATE.start_main_~x~4 96) (<= 96 ULTIMATE.start_main_~x~4)), 78931#(and (<= 99 ULTIMATE.start_main_~x~4) (<= ULTIMATE.start_main_~x~4 99)), 78930#(and (<= ULTIMATE.start_main_~x~4 98) (<= 98 ULTIMATE.start_main_~x~4)), 78933#(and (<= ULTIMATE.start_main_~x~4 101) (<= 101 ULTIMATE.start_main_~x~4)), 78932#(and (<= ULTIMATE.start_main_~x~4 100) (<= 100 ULTIMATE.start_main_~x~4)), 78935#(and (<= 103 ULTIMATE.start_main_~x~4) (<= ULTIMATE.start_main_~x~4 103)), 78934#(and (<= 102 ULTIMATE.start_main_~x~4) (<= ULTIMATE.start_main_~x~4 102)), 78937#(and (<= 105 ULTIMATE.start_main_~x~4) (<= ULTIMATE.start_main_~x~4 105)), 78936#(and (<= ULTIMATE.start_main_~x~4 104) (<= 104 ULTIMATE.start_main_~x~4)), 78939#(and (<= 107 ULTIMATE.start_main_~x~4) (<= ULTIMATE.start_main_~x~4 107)), 78938#(and (<= 106 ULTIMATE.start_main_~x~4) (<= ULTIMATE.start_main_~x~4 106)), 78941#(and (<= ULTIMATE.start_main_~x~4 109) (<= 109 ULTIMATE.start_main_~x~4)), 78940#(and (<= 108 ULTIMATE.start_main_~x~4) (<= ULTIMATE.start_main_~x~4 108)), 78943#(and (<= ULTIMATE.start_main_~x~4 111) (<= 111 ULTIMATE.start_main_~x~4)), 78942#(and (<= 110 ULTIMATE.start_main_~x~4) (<= ULTIMATE.start_main_~x~4 110)), 78945#(and (<= 113 ULTIMATE.start_main_~x~4) (<= ULTIMATE.start_main_~x~4 113)), 78944#(and (<= ULTIMATE.start_main_~x~4 112) (<= 112 ULTIMATE.start_main_~x~4)), 78947#(and (<= ULTIMATE.start_main_~x~4 115) (<= 115 ULTIMATE.start_main_~x~4)), 78946#(and (<= ULTIMATE.start_main_~x~4 114) (<= 114 ULTIMATE.start_main_~x~4)), 78949#(and (<= ULTIMATE.start_main_~x~4 117) (<= 117 ULTIMATE.start_main_~x~4)), 78948#(and (<= ULTIMATE.start_main_~x~4 116) (<= 116 ULTIMATE.start_main_~x~4)), 78951#(and (<= 119 ULTIMATE.start_main_~x~4) (<= ULTIMATE.start_main_~x~4 119)), 78950#(and (<= 118 ULTIMATE.start_main_~x~4) (<= ULTIMATE.start_main_~x~4 118)), 78953#(and (<= 121 ULTIMATE.start_main_~x~4) (<= ULTIMATE.start_main_~x~4 121)), 78952#(and (<= 120 ULTIMATE.start_main_~x~4) (<= ULTIMATE.start_main_~x~4 120)), 78955#(and (<= ULTIMATE.start_main_~x~4 123) (<= 123 ULTIMATE.start_main_~x~4)), 78954#(and (<= 122 ULTIMATE.start_main_~x~4) (<= ULTIMATE.start_main_~x~4 122)), 78957#(and (<= 125 ULTIMATE.start_main_~x~4) (<= ULTIMATE.start_main_~x~4 125)), 78956#(and (<= ULTIMATE.start_main_~x~4 124) (<= 124 ULTIMATE.start_main_~x~4)), 78959#(and (<= ULTIMATE.start_main_~x~4 127) (<= 127 ULTIMATE.start_main_~x~4)), 78958#(and (<= 126 ULTIMATE.start_main_~x~4) (<= ULTIMATE.start_main_~x~4 126)), 78961#(and (<= 129 ULTIMATE.start_main_~x~4) (<= ULTIMATE.start_main_~x~4 129)), 78960#(and (<= 128 ULTIMATE.start_main_~x~4) (<= ULTIMATE.start_main_~x~4 128)), 78831#false, 78830#true, 78833#(and (<= ULTIMATE.start_main_~x~4 1) (<= 1 ULTIMATE.start_main_~x~4)), 78832#(and (<= ULTIMATE.start_main_~x~4 0) (<= 0 ULTIMATE.start_main_~x~4)), 78835#(and (<= 3 ULTIMATE.start_main_~x~4) (<= ULTIMATE.start_main_~x~4 3)), 78834#(and (<= 2 ULTIMATE.start_main_~x~4) (<= ULTIMATE.start_main_~x~4 2)), 78837#(and (<= ULTIMATE.start_main_~x~4 5) (<= 5 ULTIMATE.start_main_~x~4)), 78836#(and (<= ULTIMATE.start_main_~x~4 4) (<= 4 ULTIMATE.start_main_~x~4)), 78839#(and (<= ULTIMATE.start_main_~x~4 7) (<= 7 ULTIMATE.start_main_~x~4)), 78838#(and (<= 6 ULTIMATE.start_main_~x~4) (<= ULTIMATE.start_main_~x~4 6)), 78841#(and (<= 9 ULTIMATE.start_main_~x~4) (<= ULTIMATE.start_main_~x~4 9)), 78840#(and (<= ULTIMATE.start_main_~x~4 8) (<= 8 ULTIMATE.start_main_~x~4)), 78843#(and (<= ULTIMATE.start_main_~x~4 11) (<= 11 ULTIMATE.start_main_~x~4)), 78842#(and (<= ULTIMATE.start_main_~x~4 10) (<= 10 ULTIMATE.start_main_~x~4)), 78845#(and (<= ULTIMATE.start_main_~x~4 13) (<= 13 ULTIMATE.start_main_~x~4)), 78844#(and (<= 12 ULTIMATE.start_main_~x~4) (<= ULTIMATE.start_main_~x~4 12)), 78847#(and (<= 15 ULTIMATE.start_main_~x~4) (<= ULTIMATE.start_main_~x~4 15)), 78846#(and (<= 14 ULTIMATE.start_main_~x~4) (<= ULTIMATE.start_main_~x~4 14))] [2018-07-23 13:51:44,443 INFO L134 CoverageAnalysis]: Checked inductivity of 16770 backedges. 0 proven. 16770 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-07-23 13:51:44,443 INFO L450 AbstractCegarLoop]: Interpolant automaton has 132 states [2018-07-23 13:51:44,443 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 132 interpolants. [2018-07-23 13:51:44,444 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=261, Invalid=17031, Unknown=0, NotChecked=0, Total=17292 [2018-07-23 13:51:44,444 INFO L87 Difference]: Start difference. First operand 263 states and 263 transitions. Second operand 132 states. [2018-07-23 13:51:45,663 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-07-23 13:51:45,663 INFO L93 Difference]: Finished difference Result 267 states and 267 transitions. [2018-07-23 13:51:45,664 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 132 states. [2018-07-23 13:51:45,664 INFO L78 Accepts]: Start accepts. Automaton has 132 states. Word has length 262 [2018-07-23 13:51:45,664 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-07-23 13:51:45,664 INFO L225 Difference]: With dead ends: 267 [2018-07-23 13:51:45,665 INFO L226 Difference]: Without dead ends: 265 [2018-07-23 13:51:45,666 INFO L575 BasicCegarLoop]: 0 DeclaredPredicates, 131 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 130 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.6s TimeCoverageRelationStatistics Valid=261, Invalid=17031, Unknown=0, NotChecked=0, Total=17292 [2018-07-23 13:51:45,666 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 265 states. [2018-07-23 13:51:45,672 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 265 to 265. [2018-07-23 13:51:45,672 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 265 states. [2018-07-23 13:51:45,673 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 265 states to 265 states and 265 transitions. [2018-07-23 13:51:45,673 INFO L78 Accepts]: Start accepts. Automaton has 265 states and 265 transitions. Word has length 262 [2018-07-23 13:51:45,673 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-07-23 13:51:45,673 INFO L471 AbstractCegarLoop]: Abstraction has 265 states and 265 transitions. [2018-07-23 13:51:45,673 INFO L472 AbstractCegarLoop]: Interpolant automaton has 132 states. [2018-07-23 13:51:45,673 INFO L276 IsEmpty]: Start isEmpty. Operand 265 states and 265 transitions. [2018-07-23 13:51:45,674 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 265 [2018-07-23 13:51:45,674 INFO L349 BasicCegarLoop]: Found error trace [2018-07-23 13:51:45,674 INFO L357 BasicCegarLoop]: trace histogram [131, 130, 1, 1, 1] [2018-07-23 13:51:45,675 INFO L414 AbstractCegarLoop]: === Iteration 131 === [ULTIMATE.startErr0AssertViolationASSERT]=== [2018-07-23 13:51:45,675 INFO L82 PathProgramCache]: Analyzing trace with hash 151880123, now seen corresponding path program 130 times [2018-07-23 13:51:45,675 INFO L69 tionRefinementEngine]: Using refinement strategy FixedRefinementStrategy [2018-07-23 13:51:45,892 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-07-23 13:51:46,787 INFO L134 CoverageAnalysis]: Checked inductivity of 17030 backedges. 0 proven. 17030 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-07-23 13:51:46,788 INFO L309 seRefinementStrategy]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2018-07-23 13:51:46,788 INFO L324 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [132] total 132 [2018-07-23 13:51:46,788 INFO L142 lantAutomatonBuilder]: Constructing canonical interpolant automaton, with selfloop in false state [2018-07-23 13:51:46,788 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-07-23 13:51:46,789 INFO L185 omatonBuilderFactory]: Interpolants [80129#(and (<= ULTIMATE.start_main_~x~4 101) (<= 101 ULTIMATE.start_main_~x~4)), 80128#(and (<= ULTIMATE.start_main_~x~4 100) (<= 100 ULTIMATE.start_main_~x~4)), 80131#(and (<= 103 ULTIMATE.start_main_~x~4) (<= ULTIMATE.start_main_~x~4 103)), 80130#(and (<= 102 ULTIMATE.start_main_~x~4) (<= ULTIMATE.start_main_~x~4 102)), 80133#(and (<= 105 ULTIMATE.start_main_~x~4) (<= ULTIMATE.start_main_~x~4 105)), 80132#(and (<= ULTIMATE.start_main_~x~4 104) (<= 104 ULTIMATE.start_main_~x~4)), 80135#(and (<= 107 ULTIMATE.start_main_~x~4) (<= ULTIMATE.start_main_~x~4 107)), 80134#(and (<= 106 ULTIMATE.start_main_~x~4) (<= ULTIMATE.start_main_~x~4 106)), 80137#(and (<= ULTIMATE.start_main_~x~4 109) (<= 109 ULTIMATE.start_main_~x~4)), 80136#(and (<= 108 ULTIMATE.start_main_~x~4) (<= ULTIMATE.start_main_~x~4 108)), 80139#(and (<= ULTIMATE.start_main_~x~4 111) (<= 111 ULTIMATE.start_main_~x~4)), 80138#(and (<= 110 ULTIMATE.start_main_~x~4) (<= ULTIMATE.start_main_~x~4 110)), 80141#(and (<= 113 ULTIMATE.start_main_~x~4) (<= ULTIMATE.start_main_~x~4 113)), 80140#(and (<= ULTIMATE.start_main_~x~4 112) (<= 112 ULTIMATE.start_main_~x~4)), 80143#(and (<= ULTIMATE.start_main_~x~4 115) (<= 115 ULTIMATE.start_main_~x~4)), 80142#(and (<= ULTIMATE.start_main_~x~4 114) (<= 114 ULTIMATE.start_main_~x~4)), 80145#(and (<= ULTIMATE.start_main_~x~4 117) (<= 117 ULTIMATE.start_main_~x~4)), 80144#(and (<= ULTIMATE.start_main_~x~4 116) (<= 116 ULTIMATE.start_main_~x~4)), 80147#(and (<= 119 ULTIMATE.start_main_~x~4) (<= ULTIMATE.start_main_~x~4 119)), 80146#(and (<= 118 ULTIMATE.start_main_~x~4) (<= ULTIMATE.start_main_~x~4 118)), 80149#(and (<= 121 ULTIMATE.start_main_~x~4) (<= ULTIMATE.start_main_~x~4 121)), 80148#(and (<= 120 ULTIMATE.start_main_~x~4) (<= ULTIMATE.start_main_~x~4 120)), 80151#(and (<= ULTIMATE.start_main_~x~4 123) (<= 123 ULTIMATE.start_main_~x~4)), 80150#(and (<= 122 ULTIMATE.start_main_~x~4) (<= ULTIMATE.start_main_~x~4 122)), 80153#(and (<= 125 ULTIMATE.start_main_~x~4) (<= ULTIMATE.start_main_~x~4 125)), 80152#(and (<= ULTIMATE.start_main_~x~4 124) (<= 124 ULTIMATE.start_main_~x~4)), 80155#(and (<= ULTIMATE.start_main_~x~4 127) (<= 127 ULTIMATE.start_main_~x~4)), 80154#(and (<= 126 ULTIMATE.start_main_~x~4) (<= ULTIMATE.start_main_~x~4 126)), 80157#(and (<= 129 ULTIMATE.start_main_~x~4) (<= ULTIMATE.start_main_~x~4 129)), 80156#(and (<= 128 ULTIMATE.start_main_~x~4) (<= ULTIMATE.start_main_~x~4 128)), 80158#(and (<= ULTIMATE.start_main_~x~4 130) (<= 130 ULTIMATE.start_main_~x~4)), 80027#false, 80026#true, 80029#(and (<= ULTIMATE.start_main_~x~4 1) (<= 1 ULTIMATE.start_main_~x~4)), 80028#(and (<= ULTIMATE.start_main_~x~4 0) (<= 0 ULTIMATE.start_main_~x~4)), 80031#(and (<= 3 ULTIMATE.start_main_~x~4) (<= ULTIMATE.start_main_~x~4 3)), 80030#(and (<= 2 ULTIMATE.start_main_~x~4) (<= ULTIMATE.start_main_~x~4 2)), 80033#(and (<= ULTIMATE.start_main_~x~4 5) (<= 5 ULTIMATE.start_main_~x~4)), 80032#(and (<= ULTIMATE.start_main_~x~4 4) (<= 4 ULTIMATE.start_main_~x~4)), 80035#(and (<= ULTIMATE.start_main_~x~4 7) (<= 7 ULTIMATE.start_main_~x~4)), 80034#(and (<= 6 ULTIMATE.start_main_~x~4) (<= ULTIMATE.start_main_~x~4 6)), 80037#(and (<= 9 ULTIMATE.start_main_~x~4) (<= ULTIMATE.start_main_~x~4 9)), 80036#(and (<= ULTIMATE.start_main_~x~4 8) (<= 8 ULTIMATE.start_main_~x~4)), 80039#(and (<= ULTIMATE.start_main_~x~4 11) (<= 11 ULTIMATE.start_main_~x~4)), 80038#(and (<= ULTIMATE.start_main_~x~4 10) (<= 10 ULTIMATE.start_main_~x~4)), 80041#(and (<= ULTIMATE.start_main_~x~4 13) (<= 13 ULTIMATE.start_main_~x~4)), 80040#(and (<= 12 ULTIMATE.start_main_~x~4) (<= ULTIMATE.start_main_~x~4 12)), 80043#(and (<= 15 ULTIMATE.start_main_~x~4) (<= ULTIMATE.start_main_~x~4 15)), 80042#(and (<= 14 ULTIMATE.start_main_~x~4) (<= ULTIMATE.start_main_~x~4 14)), 80045#(and (<= ULTIMATE.start_main_~x~4 17) (<= 17 ULTIMATE.start_main_~x~4)), 80044#(and (<= ULTIMATE.start_main_~x~4 16) (<= 16 ULTIMATE.start_main_~x~4)), 80047#(and (<= 19 ULTIMATE.start_main_~x~4) (<= ULTIMATE.start_main_~x~4 19)), 80046#(and (<= 18 ULTIMATE.start_main_~x~4) (<= ULTIMATE.start_main_~x~4 18)), 80049#(and (<= ULTIMATE.start_main_~x~4 21) (<= 21 ULTIMATE.start_main_~x~4)), 80048#(and (<= 20 ULTIMATE.start_main_~x~4) (<= ULTIMATE.start_main_~x~4 20)), 80051#(and (<= ULTIMATE.start_main_~x~4 23) (<= 23 ULTIMATE.start_main_~x~4)), 80050#(and (<= ULTIMATE.start_main_~x~4 22) (<= 22 ULTIMATE.start_main_~x~4)), 80053#(and (<= ULTIMATE.start_main_~x~4 25) (<= 25 ULTIMATE.start_main_~x~4)), 80052#(and (<= ULTIMATE.start_main_~x~4 24) (<= 24 ULTIMATE.start_main_~x~4)), 80055#(and (<= ULTIMATE.start_main_~x~4 27) (<= 27 ULTIMATE.start_main_~x~4)), 80054#(and (<= ULTIMATE.start_main_~x~4 26) (<= 26 ULTIMATE.start_main_~x~4)), 80057#(and (<= 29 ULTIMATE.start_main_~x~4) (<= ULTIMATE.start_main_~x~4 29)), 80056#(and (<= ULTIMATE.start_main_~x~4 28) (<= 28 ULTIMATE.start_main_~x~4)), 80059#(and (<= ULTIMATE.start_main_~x~4 31) (<= 31 ULTIMATE.start_main_~x~4)), 80058#(and (<= ULTIMATE.start_main_~x~4 30) (<= 30 ULTIMATE.start_main_~x~4)), 80061#(and (<= ULTIMATE.start_main_~x~4 33) (<= 33 ULTIMATE.start_main_~x~4)), 80060#(and (<= ULTIMATE.start_main_~x~4 32) (<= 32 ULTIMATE.start_main_~x~4)), 80063#(and (<= ULTIMATE.start_main_~x~4 35) (<= 35 ULTIMATE.start_main_~x~4)), 80062#(and (<= 34 ULTIMATE.start_main_~x~4) (<= ULTIMATE.start_main_~x~4 34)), 80065#(and (<= ULTIMATE.start_main_~x~4 37) (<= 37 ULTIMATE.start_main_~x~4)), 80064#(and (<= 36 ULTIMATE.start_main_~x~4) (<= ULTIMATE.start_main_~x~4 36)), 80067#(and (<= ULTIMATE.start_main_~x~4 39) (<= 39 ULTIMATE.start_main_~x~4)), 80066#(and (<= 38 ULTIMATE.start_main_~x~4) (<= ULTIMATE.start_main_~x~4 38)), 80069#(and (<= ULTIMATE.start_main_~x~4 41) (<= 41 ULTIMATE.start_main_~x~4)), 80068#(and (<= ULTIMATE.start_main_~x~4 40) (<= 40 ULTIMATE.start_main_~x~4)), 80071#(and (<= ULTIMATE.start_main_~x~4 43) (<= 43 ULTIMATE.start_main_~x~4)), 80070#(and (<= ULTIMATE.start_main_~x~4 42) (<= 42 ULTIMATE.start_main_~x~4)), 80073#(and (<= 45 ULTIMATE.start_main_~x~4) (<= ULTIMATE.start_main_~x~4 45)), 80072#(and (<= 44 ULTIMATE.start_main_~x~4) (<= ULTIMATE.start_main_~x~4 44)), 80075#(and (<= 47 ULTIMATE.start_main_~x~4) (<= ULTIMATE.start_main_~x~4 47)), 80074#(and (<= ULTIMATE.start_main_~x~4 46) (<= 46 ULTIMATE.start_main_~x~4)), 80077#(and (<= 49 ULTIMATE.start_main_~x~4) (<= ULTIMATE.start_main_~x~4 49)), 80076#(and (<= 48 ULTIMATE.start_main_~x~4) (<= ULTIMATE.start_main_~x~4 48)), 80079#(and (<= 51 ULTIMATE.start_main_~x~4) (<= ULTIMATE.start_main_~x~4 51)), 80078#(and (<= ULTIMATE.start_main_~x~4 50) (<= 50 ULTIMATE.start_main_~x~4)), 80081#(and (<= 53 ULTIMATE.start_main_~x~4) (<= ULTIMATE.start_main_~x~4 53)), 80080#(and (<= ULTIMATE.start_main_~x~4 52) (<= 52 ULTIMATE.start_main_~x~4)), 80083#(and (<= 55 ULTIMATE.start_main_~x~4) (<= ULTIMATE.start_main_~x~4 55)), 80082#(and (<= ULTIMATE.start_main_~x~4 54) (<= 54 ULTIMATE.start_main_~x~4)), 80085#(and (<= 57 ULTIMATE.start_main_~x~4) (<= ULTIMATE.start_main_~x~4 57)), 80084#(and (<= 56 ULTIMATE.start_main_~x~4) (<= ULTIMATE.start_main_~x~4 56)), 80087#(and (<= ULTIMATE.start_main_~x~4 59) (<= 59 ULTIMATE.start_main_~x~4)), 80086#(and (<= 58 ULTIMATE.start_main_~x~4) (<= ULTIMATE.start_main_~x~4 58)), 80089#(and (<= 61 ULTIMATE.start_main_~x~4) (<= ULTIMATE.start_main_~x~4 61)), 80088#(and (<= 60 ULTIMATE.start_main_~x~4) (<= ULTIMATE.start_main_~x~4 60)), 80091#(and (<= 63 ULTIMATE.start_main_~x~4) (<= ULTIMATE.start_main_~x~4 63)), 80090#(and (<= ULTIMATE.start_main_~x~4 62) (<= 62 ULTIMATE.start_main_~x~4)), 80093#(and (<= 65 ULTIMATE.start_main_~x~4) (<= ULTIMATE.start_main_~x~4 65)), 80092#(and (<= ULTIMATE.start_main_~x~4 64) (<= 64 ULTIMATE.start_main_~x~4)), 80095#(and (<= 67 ULTIMATE.start_main_~x~4) (<= ULTIMATE.start_main_~x~4 67)), 80094#(and (<= 66 ULTIMATE.start_main_~x~4) (<= ULTIMATE.start_main_~x~4 66)), 80097#(and (<= 69 ULTIMATE.start_main_~x~4) (<= ULTIMATE.start_main_~x~4 69)), 80096#(and (<= ULTIMATE.start_main_~x~4 68) (<= 68 ULTIMATE.start_main_~x~4)), 80099#(and (<= 71 ULTIMATE.start_main_~x~4) (<= ULTIMATE.start_main_~x~4 71)), 80098#(and (<= ULTIMATE.start_main_~x~4 70) (<= 70 ULTIMATE.start_main_~x~4)), 80101#(and (<= ULTIMATE.start_main_~x~4 73) (<= 73 ULTIMATE.start_main_~x~4)), 80100#(and (<= 72 ULTIMATE.start_main_~x~4) (<= ULTIMATE.start_main_~x~4 72)), 80103#(and (<= ULTIMATE.start_main_~x~4 75) (<= 75 ULTIMATE.start_main_~x~4)), 80102#(and (<= 74 ULTIMATE.start_main_~x~4) (<= ULTIMATE.start_main_~x~4 74)), 80105#(and (<= ULTIMATE.start_main_~x~4 77) (<= 77 ULTIMATE.start_main_~x~4)), 80104#(and (<= ULTIMATE.start_main_~x~4 76) (<= 76 ULTIMATE.start_main_~x~4)), 80107#(and (<= 79 ULTIMATE.start_main_~x~4) (<= ULTIMATE.start_main_~x~4 79)), 80106#(and (<= ULTIMATE.start_main_~x~4 78) (<= 78 ULTIMATE.start_main_~x~4)), 80109#(and (<= ULTIMATE.start_main_~x~4 81) (<= 81 ULTIMATE.start_main_~x~4)), 80108#(and (<= ULTIMATE.start_main_~x~4 80) (<= 80 ULTIMATE.start_main_~x~4)), 80111#(and (<= 83 ULTIMATE.start_main_~x~4) (<= ULTIMATE.start_main_~x~4 83)), 80110#(and (<= ULTIMATE.start_main_~x~4 82) (<= 82 ULTIMATE.start_main_~x~4)), 80113#(and (<= 85 ULTIMATE.start_main_~x~4) (<= ULTIMATE.start_main_~x~4 85)), 80112#(and (<= ULTIMATE.start_main_~x~4 84) (<= 84 ULTIMATE.start_main_~x~4)), 80115#(and (<= ULTIMATE.start_main_~x~4 87) (<= 87 ULTIMATE.start_main_~x~4)), 80114#(and (<= 86 ULTIMATE.start_main_~x~4) (<= ULTIMATE.start_main_~x~4 86)), 80117#(and (<= ULTIMATE.start_main_~x~4 89) (<= 89 ULTIMATE.start_main_~x~4)), 80116#(and (<= 88 ULTIMATE.start_main_~x~4) (<= ULTIMATE.start_main_~x~4 88)), 80119#(and (<= ULTIMATE.start_main_~x~4 91) (<= 91 ULTIMATE.start_main_~x~4)), 80118#(and (<= ULTIMATE.start_main_~x~4 90) (<= 90 ULTIMATE.start_main_~x~4)), 80121#(and (<= ULTIMATE.start_main_~x~4 93) (<= 93 ULTIMATE.start_main_~x~4)), 80120#(and (<= ULTIMATE.start_main_~x~4 92) (<= 92 ULTIMATE.start_main_~x~4)), 80123#(and (<= 95 ULTIMATE.start_main_~x~4) (<= ULTIMATE.start_main_~x~4 95)), 80122#(and (<= ULTIMATE.start_main_~x~4 94) (<= 94 ULTIMATE.start_main_~x~4)), 80125#(and (<= 97 ULTIMATE.start_main_~x~4) (<= ULTIMATE.start_main_~x~4 97)), 80124#(and (<= ULTIMATE.start_main_~x~4 96) (<= 96 ULTIMATE.start_main_~x~4)), 80127#(and (<= 99 ULTIMATE.start_main_~x~4) (<= ULTIMATE.start_main_~x~4 99)), 80126#(and (<= ULTIMATE.start_main_~x~4 98) (<= 98 ULTIMATE.start_main_~x~4))] [2018-07-23 13:51:46,789 INFO L134 CoverageAnalysis]: Checked inductivity of 17030 backedges. 0 proven. 17030 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-07-23 13:51:46,790 INFO L450 AbstractCegarLoop]: Interpolant automaton has 133 states [2018-07-23 13:51:46,790 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 133 interpolants. [2018-07-23 13:51:46,790 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=263, Invalid=17293, Unknown=0, NotChecked=0, Total=17556 [2018-07-23 13:51:46,791 INFO L87 Difference]: Start difference. First operand 265 states and 265 transitions. Second operand 133 states. [2018-07-23 13:51:48,031 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-07-23 13:51:48,031 INFO L93 Difference]: Finished difference Result 269 states and 269 transitions. [2018-07-23 13:51:48,031 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 133 states. [2018-07-23 13:51:48,032 INFO L78 Accepts]: Start accepts. Automaton has 133 states. Word has length 264 [2018-07-23 13:51:48,032 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-07-23 13:51:48,032 INFO L225 Difference]: With dead ends: 269 [2018-07-23 13:51:48,032 INFO L226 Difference]: Without dead ends: 267 [2018-07-23 13:51:48,033 INFO L575 BasicCegarLoop]: 0 DeclaredPredicates, 132 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 131 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.6s TimeCoverageRelationStatistics Valid=263, Invalid=17293, Unknown=0, NotChecked=0, Total=17556 [2018-07-23 13:51:48,033 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 267 states. [2018-07-23 13:51:48,040 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 267 to 267. [2018-07-23 13:51:48,040 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 267 states. [2018-07-23 13:51:48,040 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 267 states to 267 states and 267 transitions. [2018-07-23 13:51:48,040 INFO L78 Accepts]: Start accepts. Automaton has 267 states and 267 transitions. Word has length 264 [2018-07-23 13:51:48,040 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-07-23 13:51:48,040 INFO L471 AbstractCegarLoop]: Abstraction has 267 states and 267 transitions. [2018-07-23 13:51:48,040 INFO L472 AbstractCegarLoop]: Interpolant automaton has 133 states. [2018-07-23 13:51:48,041 INFO L276 IsEmpty]: Start isEmpty. Operand 267 states and 267 transitions. [2018-07-23 13:51:48,041 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 267 [2018-07-23 13:51:48,041 INFO L349 BasicCegarLoop]: Found error trace [2018-07-23 13:51:48,041 INFO L357 BasicCegarLoop]: trace histogram [132, 131, 1, 1, 1] [2018-07-23 13:51:48,042 INFO L414 AbstractCegarLoop]: === Iteration 132 === [ULTIMATE.startErr0AssertViolationASSERT]=== [2018-07-23 13:51:48,042 INFO L82 PathProgramCache]: Analyzing trace with hash -72037771, now seen corresponding path program 131 times [2018-07-23 13:51:48,042 INFO L69 tionRefinementEngine]: Using refinement strategy FixedRefinementStrategy [2018-07-23 13:51:48,261 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-07-23 13:51:49,162 INFO L134 CoverageAnalysis]: Checked inductivity of 17292 backedges. 0 proven. 17292 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-07-23 13:51:49,163 INFO L309 seRefinementStrategy]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2018-07-23 13:51:49,163 INFO L324 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [133] total 133 [2018-07-23 13:51:49,163 INFO L142 lantAutomatonBuilder]: Constructing canonical interpolant automaton, with selfloop in false state [2018-07-23 13:51:49,163 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-07-23 13:51:49,164 INFO L185 omatonBuilderFactory]: Interpolants [81231#true, 81233#(and (<= ULTIMATE.start_main_~x~4 0) (<= 0 ULTIMATE.start_main_~x~4)), 81232#false, 81235#(and (<= 2 ULTIMATE.start_main_~x~4) (<= ULTIMATE.start_main_~x~4 2)), 81234#(and (<= ULTIMATE.start_main_~x~4 1) (<= 1 ULTIMATE.start_main_~x~4)), 81237#(and (<= ULTIMATE.start_main_~x~4 4) (<= 4 ULTIMATE.start_main_~x~4)), 81236#(and (<= 3 ULTIMATE.start_main_~x~4) (<= ULTIMATE.start_main_~x~4 3)), 81239#(and (<= 6 ULTIMATE.start_main_~x~4) (<= ULTIMATE.start_main_~x~4 6)), 81238#(and (<= ULTIMATE.start_main_~x~4 5) (<= 5 ULTIMATE.start_main_~x~4)), 81241#(and (<= ULTIMATE.start_main_~x~4 8) (<= 8 ULTIMATE.start_main_~x~4)), 81240#(and (<= ULTIMATE.start_main_~x~4 7) (<= 7 ULTIMATE.start_main_~x~4)), 81243#(and (<= ULTIMATE.start_main_~x~4 10) (<= 10 ULTIMATE.start_main_~x~4)), 81242#(and (<= 9 ULTIMATE.start_main_~x~4) (<= ULTIMATE.start_main_~x~4 9)), 81245#(and (<= 12 ULTIMATE.start_main_~x~4) (<= ULTIMATE.start_main_~x~4 12)), 81244#(and (<= ULTIMATE.start_main_~x~4 11) (<= 11 ULTIMATE.start_main_~x~4)), 81247#(and (<= 14 ULTIMATE.start_main_~x~4) (<= ULTIMATE.start_main_~x~4 14)), 81246#(and (<= ULTIMATE.start_main_~x~4 13) (<= 13 ULTIMATE.start_main_~x~4)), 81249#(and (<= ULTIMATE.start_main_~x~4 16) (<= 16 ULTIMATE.start_main_~x~4)), 81248#(and (<= 15 ULTIMATE.start_main_~x~4) (<= ULTIMATE.start_main_~x~4 15)), 81251#(and (<= 18 ULTIMATE.start_main_~x~4) (<= ULTIMATE.start_main_~x~4 18)), 81250#(and (<= ULTIMATE.start_main_~x~4 17) (<= 17 ULTIMATE.start_main_~x~4)), 81253#(and (<= 20 ULTIMATE.start_main_~x~4) (<= ULTIMATE.start_main_~x~4 20)), 81252#(and (<= 19 ULTIMATE.start_main_~x~4) (<= ULTIMATE.start_main_~x~4 19)), 81255#(and (<= ULTIMATE.start_main_~x~4 22) (<= 22 ULTIMATE.start_main_~x~4)), 81254#(and (<= ULTIMATE.start_main_~x~4 21) (<= 21 ULTIMATE.start_main_~x~4)), 81257#(and (<= ULTIMATE.start_main_~x~4 24) (<= 24 ULTIMATE.start_main_~x~4)), 81256#(and (<= ULTIMATE.start_main_~x~4 23) (<= 23 ULTIMATE.start_main_~x~4)), 81259#(and (<= ULTIMATE.start_main_~x~4 26) (<= 26 ULTIMATE.start_main_~x~4)), 81258#(and (<= ULTIMATE.start_main_~x~4 25) (<= 25 ULTIMATE.start_main_~x~4)), 81261#(and (<= ULTIMATE.start_main_~x~4 28) (<= 28 ULTIMATE.start_main_~x~4)), 81260#(and (<= ULTIMATE.start_main_~x~4 27) (<= 27 ULTIMATE.start_main_~x~4)), 81263#(and (<= ULTIMATE.start_main_~x~4 30) (<= 30 ULTIMATE.start_main_~x~4)), 81262#(and (<= 29 ULTIMATE.start_main_~x~4) (<= ULTIMATE.start_main_~x~4 29)), 81265#(and (<= ULTIMATE.start_main_~x~4 32) (<= 32 ULTIMATE.start_main_~x~4)), 81264#(and (<= ULTIMATE.start_main_~x~4 31) (<= 31 ULTIMATE.start_main_~x~4)), 81267#(and (<= 34 ULTIMATE.start_main_~x~4) (<= ULTIMATE.start_main_~x~4 34)), 81266#(and (<= ULTIMATE.start_main_~x~4 33) (<= 33 ULTIMATE.start_main_~x~4)), 81269#(and (<= 36 ULTIMATE.start_main_~x~4) (<= ULTIMATE.start_main_~x~4 36)), 81268#(and (<= ULTIMATE.start_main_~x~4 35) (<= 35 ULTIMATE.start_main_~x~4)), 81271#(and (<= 38 ULTIMATE.start_main_~x~4) (<= ULTIMATE.start_main_~x~4 38)), 81270#(and (<= ULTIMATE.start_main_~x~4 37) (<= 37 ULTIMATE.start_main_~x~4)), 81273#(and (<= ULTIMATE.start_main_~x~4 40) (<= 40 ULTIMATE.start_main_~x~4)), 81272#(and (<= ULTIMATE.start_main_~x~4 39) (<= 39 ULTIMATE.start_main_~x~4)), 81275#(and (<= ULTIMATE.start_main_~x~4 42) (<= 42 ULTIMATE.start_main_~x~4)), 81274#(and (<= ULTIMATE.start_main_~x~4 41) (<= 41 ULTIMATE.start_main_~x~4)), 81277#(and (<= 44 ULTIMATE.start_main_~x~4) (<= ULTIMATE.start_main_~x~4 44)), 81276#(and (<= ULTIMATE.start_main_~x~4 43) (<= 43 ULTIMATE.start_main_~x~4)), 81279#(and (<= ULTIMATE.start_main_~x~4 46) (<= 46 ULTIMATE.start_main_~x~4)), 81278#(and (<= 45 ULTIMATE.start_main_~x~4) (<= ULTIMATE.start_main_~x~4 45)), 81281#(and (<= 48 ULTIMATE.start_main_~x~4) (<= ULTIMATE.start_main_~x~4 48)), 81280#(and (<= 47 ULTIMATE.start_main_~x~4) (<= ULTIMATE.start_main_~x~4 47)), 81283#(and (<= ULTIMATE.start_main_~x~4 50) (<= 50 ULTIMATE.start_main_~x~4)), 81282#(and (<= 49 ULTIMATE.start_main_~x~4) (<= ULTIMATE.start_main_~x~4 49)), 81285#(and (<= ULTIMATE.start_main_~x~4 52) (<= 52 ULTIMATE.start_main_~x~4)), 81284#(and (<= 51 ULTIMATE.start_main_~x~4) (<= ULTIMATE.start_main_~x~4 51)), 81287#(and (<= ULTIMATE.start_main_~x~4 54) (<= 54 ULTIMATE.start_main_~x~4)), 81286#(and (<= 53 ULTIMATE.start_main_~x~4) (<= ULTIMATE.start_main_~x~4 53)), 81289#(and (<= 56 ULTIMATE.start_main_~x~4) (<= ULTIMATE.start_main_~x~4 56)), 81288#(and (<= 55 ULTIMATE.start_main_~x~4) (<= ULTIMATE.start_main_~x~4 55)), 81291#(and (<= 58 ULTIMATE.start_main_~x~4) (<= ULTIMATE.start_main_~x~4 58)), 81290#(and (<= 57 ULTIMATE.start_main_~x~4) (<= ULTIMATE.start_main_~x~4 57)), 81293#(and (<= 60 ULTIMATE.start_main_~x~4) (<= ULTIMATE.start_main_~x~4 60)), 81292#(and (<= ULTIMATE.start_main_~x~4 59) (<= 59 ULTIMATE.start_main_~x~4)), 81295#(and (<= ULTIMATE.start_main_~x~4 62) (<= 62 ULTIMATE.start_main_~x~4)), 81294#(and (<= 61 ULTIMATE.start_main_~x~4) (<= ULTIMATE.start_main_~x~4 61)), 81297#(and (<= ULTIMATE.start_main_~x~4 64) (<= 64 ULTIMATE.start_main_~x~4)), 81296#(and (<= 63 ULTIMATE.start_main_~x~4) (<= ULTIMATE.start_main_~x~4 63)), 81299#(and (<= 66 ULTIMATE.start_main_~x~4) (<= ULTIMATE.start_main_~x~4 66)), 81298#(and (<= 65 ULTIMATE.start_main_~x~4) (<= ULTIMATE.start_main_~x~4 65)), 81301#(and (<= ULTIMATE.start_main_~x~4 68) (<= 68 ULTIMATE.start_main_~x~4)), 81300#(and (<= 67 ULTIMATE.start_main_~x~4) (<= ULTIMATE.start_main_~x~4 67)), 81303#(and (<= ULTIMATE.start_main_~x~4 70) (<= 70 ULTIMATE.start_main_~x~4)), 81302#(and (<= 69 ULTIMATE.start_main_~x~4) (<= ULTIMATE.start_main_~x~4 69)), 81305#(and (<= 72 ULTIMATE.start_main_~x~4) (<= ULTIMATE.start_main_~x~4 72)), 81304#(and (<= 71 ULTIMATE.start_main_~x~4) (<= ULTIMATE.start_main_~x~4 71)), 81307#(and (<= 74 ULTIMATE.start_main_~x~4) (<= ULTIMATE.start_main_~x~4 74)), 81306#(and (<= ULTIMATE.start_main_~x~4 73) (<= 73 ULTIMATE.start_main_~x~4)), 81309#(and (<= ULTIMATE.start_main_~x~4 76) (<= 76 ULTIMATE.start_main_~x~4)), 81308#(and (<= ULTIMATE.start_main_~x~4 75) (<= 75 ULTIMATE.start_main_~x~4)), 81311#(and (<= ULTIMATE.start_main_~x~4 78) (<= 78 ULTIMATE.start_main_~x~4)), 81310#(and (<= ULTIMATE.start_main_~x~4 77) (<= 77 ULTIMATE.start_main_~x~4)), 81313#(and (<= ULTIMATE.start_main_~x~4 80) (<= 80 ULTIMATE.start_main_~x~4)), 81312#(and (<= 79 ULTIMATE.start_main_~x~4) (<= ULTIMATE.start_main_~x~4 79)), 81315#(and (<= ULTIMATE.start_main_~x~4 82) (<= 82 ULTIMATE.start_main_~x~4)), 81314#(and (<= ULTIMATE.start_main_~x~4 81) (<= 81 ULTIMATE.start_main_~x~4)), 81317#(and (<= ULTIMATE.start_main_~x~4 84) (<= 84 ULTIMATE.start_main_~x~4)), 81316#(and (<= 83 ULTIMATE.start_main_~x~4) (<= ULTIMATE.start_main_~x~4 83)), 81319#(and (<= 86 ULTIMATE.start_main_~x~4) (<= ULTIMATE.start_main_~x~4 86)), 81318#(and (<= 85 ULTIMATE.start_main_~x~4) (<= ULTIMATE.start_main_~x~4 85)), 81321#(and (<= 88 ULTIMATE.start_main_~x~4) (<= ULTIMATE.start_main_~x~4 88)), 81320#(and (<= ULTIMATE.start_main_~x~4 87) (<= 87 ULTIMATE.start_main_~x~4)), 81323#(and (<= ULTIMATE.start_main_~x~4 90) (<= 90 ULTIMATE.start_main_~x~4)), 81322#(and (<= ULTIMATE.start_main_~x~4 89) (<= 89 ULTIMATE.start_main_~x~4)), 81325#(and (<= ULTIMATE.start_main_~x~4 92) (<= 92 ULTIMATE.start_main_~x~4)), 81324#(and (<= ULTIMATE.start_main_~x~4 91) (<= 91 ULTIMATE.start_main_~x~4)), 81327#(and (<= ULTIMATE.start_main_~x~4 94) (<= 94 ULTIMATE.start_main_~x~4)), 81326#(and (<= ULTIMATE.start_main_~x~4 93) (<= 93 ULTIMATE.start_main_~x~4)), 81329#(and (<= ULTIMATE.start_main_~x~4 96) (<= 96 ULTIMATE.start_main_~x~4)), 81328#(and (<= 95 ULTIMATE.start_main_~x~4) (<= ULTIMATE.start_main_~x~4 95)), 81331#(and (<= ULTIMATE.start_main_~x~4 98) (<= 98 ULTIMATE.start_main_~x~4)), 81330#(and (<= 97 ULTIMATE.start_main_~x~4) (<= ULTIMATE.start_main_~x~4 97)), 81333#(and (<= ULTIMATE.start_main_~x~4 100) (<= 100 ULTIMATE.start_main_~x~4)), 81332#(and (<= 99 ULTIMATE.start_main_~x~4) (<= ULTIMATE.start_main_~x~4 99)), 81335#(and (<= 102 ULTIMATE.start_main_~x~4) (<= ULTIMATE.start_main_~x~4 102)), 81334#(and (<= ULTIMATE.start_main_~x~4 101) (<= 101 ULTIMATE.start_main_~x~4)), 81337#(and (<= ULTIMATE.start_main_~x~4 104) (<= 104 ULTIMATE.start_main_~x~4)), 81336#(and (<= 103 ULTIMATE.start_main_~x~4) (<= ULTIMATE.start_main_~x~4 103)), 81339#(and (<= 106 ULTIMATE.start_main_~x~4) (<= ULTIMATE.start_main_~x~4 106)), 81338#(and (<= 105 ULTIMATE.start_main_~x~4) (<= ULTIMATE.start_main_~x~4 105)), 81341#(and (<= 108 ULTIMATE.start_main_~x~4) (<= ULTIMATE.start_main_~x~4 108)), 81340#(and (<= 107 ULTIMATE.start_main_~x~4) (<= ULTIMATE.start_main_~x~4 107)), 81343#(and (<= 110 ULTIMATE.start_main_~x~4) (<= ULTIMATE.start_main_~x~4 110)), 81342#(and (<= ULTIMATE.start_main_~x~4 109) (<= 109 ULTIMATE.start_main_~x~4)), 81345#(and (<= ULTIMATE.start_main_~x~4 112) (<= 112 ULTIMATE.start_main_~x~4)), 81344#(and (<= ULTIMATE.start_main_~x~4 111) (<= 111 ULTIMATE.start_main_~x~4)), 81347#(and (<= ULTIMATE.start_main_~x~4 114) (<= 114 ULTIMATE.start_main_~x~4)), 81346#(and (<= 113 ULTIMATE.start_main_~x~4) (<= ULTIMATE.start_main_~x~4 113)), 81349#(and (<= ULTIMATE.start_main_~x~4 116) (<= 116 ULTIMATE.start_main_~x~4)), 81348#(and (<= ULTIMATE.start_main_~x~4 115) (<= 115 ULTIMATE.start_main_~x~4)), 81351#(and (<= 118 ULTIMATE.start_main_~x~4) (<= ULTIMATE.start_main_~x~4 118)), 81350#(and (<= ULTIMATE.start_main_~x~4 117) (<= 117 ULTIMATE.start_main_~x~4)), 81353#(and (<= 120 ULTIMATE.start_main_~x~4) (<= ULTIMATE.start_main_~x~4 120)), 81352#(and (<= 119 ULTIMATE.start_main_~x~4) (<= ULTIMATE.start_main_~x~4 119)), 81355#(and (<= 122 ULTIMATE.start_main_~x~4) (<= ULTIMATE.start_main_~x~4 122)), 81354#(and (<= 121 ULTIMATE.start_main_~x~4) (<= ULTIMATE.start_main_~x~4 121)), 81357#(and (<= ULTIMATE.start_main_~x~4 124) (<= 124 ULTIMATE.start_main_~x~4)), 81356#(and (<= ULTIMATE.start_main_~x~4 123) (<= 123 ULTIMATE.start_main_~x~4)), 81359#(and (<= 126 ULTIMATE.start_main_~x~4) (<= ULTIMATE.start_main_~x~4 126)), 81358#(and (<= 125 ULTIMATE.start_main_~x~4) (<= ULTIMATE.start_main_~x~4 125)), 81361#(and (<= 128 ULTIMATE.start_main_~x~4) (<= ULTIMATE.start_main_~x~4 128)), 81360#(and (<= ULTIMATE.start_main_~x~4 127) (<= 127 ULTIMATE.start_main_~x~4)), 81363#(and (<= ULTIMATE.start_main_~x~4 130) (<= 130 ULTIMATE.start_main_~x~4)), 81362#(and (<= 129 ULTIMATE.start_main_~x~4) (<= ULTIMATE.start_main_~x~4 129)), 81364#(and (<= 131 ULTIMATE.start_main_~x~4) (<= ULTIMATE.start_main_~x~4 131))] [2018-07-23 13:51:49,165 INFO L134 CoverageAnalysis]: Checked inductivity of 17292 backedges. 0 proven. 17292 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-07-23 13:51:49,165 INFO L450 AbstractCegarLoop]: Interpolant automaton has 134 states [2018-07-23 13:51:49,165 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 134 interpolants. [2018-07-23 13:51:49,166 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=265, Invalid=17557, Unknown=0, NotChecked=0, Total=17822 [2018-07-23 13:51:49,166 INFO L87 Difference]: Start difference. First operand 267 states and 267 transitions. Second operand 134 states. [2018-07-23 13:51:50,429 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-07-23 13:51:50,429 INFO L93 Difference]: Finished difference Result 271 states and 271 transitions. [2018-07-23 13:51:50,429 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 134 states. [2018-07-23 13:51:50,429 INFO L78 Accepts]: Start accepts. Automaton has 134 states. Word has length 266 [2018-07-23 13:51:50,430 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-07-23 13:51:50,430 INFO L225 Difference]: With dead ends: 271 [2018-07-23 13:51:50,430 INFO L226 Difference]: Without dead ends: 269 [2018-07-23 13:51:50,431 INFO L575 BasicCegarLoop]: 0 DeclaredPredicates, 133 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 132 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.6s TimeCoverageRelationStatistics Valid=265, Invalid=17557, Unknown=0, NotChecked=0, Total=17822 [2018-07-23 13:51:50,432 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 269 states. [2018-07-23 13:51:50,438 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 269 to 269. [2018-07-23 13:51:50,438 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 269 states. [2018-07-23 13:51:50,438 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 269 states to 269 states and 269 transitions. [2018-07-23 13:51:50,438 INFO L78 Accepts]: Start accepts. Automaton has 269 states and 269 transitions. Word has length 266 [2018-07-23 13:51:50,439 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-07-23 13:51:50,439 INFO L471 AbstractCegarLoop]: Abstraction has 269 states and 269 transitions. [2018-07-23 13:51:50,439 INFO L472 AbstractCegarLoop]: Interpolant automaton has 134 states. [2018-07-23 13:51:50,439 INFO L276 IsEmpty]: Start isEmpty. Operand 269 states and 269 transitions. [2018-07-23 13:51:50,439 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 269 [2018-07-23 13:51:50,440 INFO L349 BasicCegarLoop]: Found error trace [2018-07-23 13:51:50,440 INFO L357 BasicCegarLoop]: trace histogram [133, 132, 1, 1, 1] [2018-07-23 13:51:50,440 INFO L414 AbstractCegarLoop]: === Iteration 133 === [ULTIMATE.startErr0AssertViolationASSERT]=== [2018-07-23 13:51:50,440 INFO L82 PathProgramCache]: Analyzing trace with hash -508769105, now seen corresponding path program 132 times [2018-07-23 13:51:50,440 INFO L69 tionRefinementEngine]: Using refinement strategy FixedRefinementStrategy [2018-07-23 13:51:50,673 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-07-23 13:51:51,606 INFO L134 CoverageAnalysis]: Checked inductivity of 17556 backedges. 0 proven. 17556 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-07-23 13:51:51,606 INFO L309 seRefinementStrategy]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2018-07-23 13:51:51,607 INFO L324 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [134] total 134 [2018-07-23 13:51:51,607 INFO L142 lantAutomatonBuilder]: Constructing canonical interpolant automaton, with selfloop in false state [2018-07-23 13:51:51,607 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-07-23 13:51:51,607 INFO L185 omatonBuilderFactory]: Interpolants [82445#true, 82447#(and (<= ULTIMATE.start_main_~x~4 0) (<= 0 ULTIMATE.start_main_~x~4)), 82446#false, 82449#(and (<= 2 ULTIMATE.start_main_~x~4) (<= ULTIMATE.start_main_~x~4 2)), 82448#(and (<= ULTIMATE.start_main_~x~4 1) (<= 1 ULTIMATE.start_main_~x~4)), 82451#(and (<= ULTIMATE.start_main_~x~4 4) (<= 4 ULTIMATE.start_main_~x~4)), 82450#(and (<= 3 ULTIMATE.start_main_~x~4) (<= ULTIMATE.start_main_~x~4 3)), 82453#(and (<= 6 ULTIMATE.start_main_~x~4) (<= ULTIMATE.start_main_~x~4 6)), 82452#(and (<= ULTIMATE.start_main_~x~4 5) (<= 5 ULTIMATE.start_main_~x~4)), 82455#(and (<= ULTIMATE.start_main_~x~4 8) (<= 8 ULTIMATE.start_main_~x~4)), 82454#(and (<= ULTIMATE.start_main_~x~4 7) (<= 7 ULTIMATE.start_main_~x~4)), 82457#(and (<= ULTIMATE.start_main_~x~4 10) (<= 10 ULTIMATE.start_main_~x~4)), 82456#(and (<= 9 ULTIMATE.start_main_~x~4) (<= ULTIMATE.start_main_~x~4 9)), 82459#(and (<= 12 ULTIMATE.start_main_~x~4) (<= ULTIMATE.start_main_~x~4 12)), 82458#(and (<= ULTIMATE.start_main_~x~4 11) (<= 11 ULTIMATE.start_main_~x~4)), 82461#(and (<= 14 ULTIMATE.start_main_~x~4) (<= ULTIMATE.start_main_~x~4 14)), 82460#(and (<= ULTIMATE.start_main_~x~4 13) (<= 13 ULTIMATE.start_main_~x~4)), 82463#(and (<= ULTIMATE.start_main_~x~4 16) (<= 16 ULTIMATE.start_main_~x~4)), 82462#(and (<= 15 ULTIMATE.start_main_~x~4) (<= ULTIMATE.start_main_~x~4 15)), 82465#(and (<= 18 ULTIMATE.start_main_~x~4) (<= ULTIMATE.start_main_~x~4 18)), 82464#(and (<= ULTIMATE.start_main_~x~4 17) (<= 17 ULTIMATE.start_main_~x~4)), 82467#(and (<= 20 ULTIMATE.start_main_~x~4) (<= ULTIMATE.start_main_~x~4 20)), 82466#(and (<= 19 ULTIMATE.start_main_~x~4) (<= ULTIMATE.start_main_~x~4 19)), 82469#(and (<= ULTIMATE.start_main_~x~4 22) (<= 22 ULTIMATE.start_main_~x~4)), 82468#(and (<= ULTIMATE.start_main_~x~4 21) (<= 21 ULTIMATE.start_main_~x~4)), 82471#(and (<= ULTIMATE.start_main_~x~4 24) (<= 24 ULTIMATE.start_main_~x~4)), 82470#(and (<= ULTIMATE.start_main_~x~4 23) (<= 23 ULTIMATE.start_main_~x~4)), 82473#(and (<= ULTIMATE.start_main_~x~4 26) (<= 26 ULTIMATE.start_main_~x~4)), 82472#(and (<= ULTIMATE.start_main_~x~4 25) (<= 25 ULTIMATE.start_main_~x~4)), 82475#(and (<= ULTIMATE.start_main_~x~4 28) (<= 28 ULTIMATE.start_main_~x~4)), 82474#(and (<= ULTIMATE.start_main_~x~4 27) (<= 27 ULTIMATE.start_main_~x~4)), 82477#(and (<= ULTIMATE.start_main_~x~4 30) (<= 30 ULTIMATE.start_main_~x~4)), 82476#(and (<= 29 ULTIMATE.start_main_~x~4) (<= ULTIMATE.start_main_~x~4 29)), 82479#(and (<= ULTIMATE.start_main_~x~4 32) (<= 32 ULTIMATE.start_main_~x~4)), 82478#(and (<= ULTIMATE.start_main_~x~4 31) (<= 31 ULTIMATE.start_main_~x~4)), 82481#(and (<= 34 ULTIMATE.start_main_~x~4) (<= ULTIMATE.start_main_~x~4 34)), 82480#(and (<= ULTIMATE.start_main_~x~4 33) (<= 33 ULTIMATE.start_main_~x~4)), 82483#(and (<= 36 ULTIMATE.start_main_~x~4) (<= ULTIMATE.start_main_~x~4 36)), 82482#(and (<= ULTIMATE.start_main_~x~4 35) (<= 35 ULTIMATE.start_main_~x~4)), 82485#(and (<= 38 ULTIMATE.start_main_~x~4) (<= ULTIMATE.start_main_~x~4 38)), 82484#(and (<= ULTIMATE.start_main_~x~4 37) (<= 37 ULTIMATE.start_main_~x~4)), 82487#(and (<= ULTIMATE.start_main_~x~4 40) (<= 40 ULTIMATE.start_main_~x~4)), 82486#(and (<= ULTIMATE.start_main_~x~4 39) (<= 39 ULTIMATE.start_main_~x~4)), 82489#(and (<= ULTIMATE.start_main_~x~4 42) (<= 42 ULTIMATE.start_main_~x~4)), 82488#(and (<= ULTIMATE.start_main_~x~4 41) (<= 41 ULTIMATE.start_main_~x~4)), 82491#(and (<= 44 ULTIMATE.start_main_~x~4) (<= ULTIMATE.start_main_~x~4 44)), 82490#(and (<= ULTIMATE.start_main_~x~4 43) (<= 43 ULTIMATE.start_main_~x~4)), 82493#(and (<= ULTIMATE.start_main_~x~4 46) (<= 46 ULTIMATE.start_main_~x~4)), 82492#(and (<= 45 ULTIMATE.start_main_~x~4) (<= ULTIMATE.start_main_~x~4 45)), 82495#(and (<= 48 ULTIMATE.start_main_~x~4) (<= ULTIMATE.start_main_~x~4 48)), 82494#(and (<= 47 ULTIMATE.start_main_~x~4) (<= ULTIMATE.start_main_~x~4 47)), 82497#(and (<= ULTIMATE.start_main_~x~4 50) (<= 50 ULTIMATE.start_main_~x~4)), 82496#(and (<= 49 ULTIMATE.start_main_~x~4) (<= ULTIMATE.start_main_~x~4 49)), 82499#(and (<= ULTIMATE.start_main_~x~4 52) (<= 52 ULTIMATE.start_main_~x~4)), 82498#(and (<= 51 ULTIMATE.start_main_~x~4) (<= ULTIMATE.start_main_~x~4 51)), 82501#(and (<= ULTIMATE.start_main_~x~4 54) (<= 54 ULTIMATE.start_main_~x~4)), 82500#(and (<= 53 ULTIMATE.start_main_~x~4) (<= ULTIMATE.start_main_~x~4 53)), 82503#(and (<= 56 ULTIMATE.start_main_~x~4) (<= ULTIMATE.start_main_~x~4 56)), 82502#(and (<= 55 ULTIMATE.start_main_~x~4) (<= ULTIMATE.start_main_~x~4 55)), 82505#(and (<= 58 ULTIMATE.start_main_~x~4) (<= ULTIMATE.start_main_~x~4 58)), 82504#(and (<= 57 ULTIMATE.start_main_~x~4) (<= ULTIMATE.start_main_~x~4 57)), 82507#(and (<= 60 ULTIMATE.start_main_~x~4) (<= ULTIMATE.start_main_~x~4 60)), 82506#(and (<= ULTIMATE.start_main_~x~4 59) (<= 59 ULTIMATE.start_main_~x~4)), 82509#(and (<= ULTIMATE.start_main_~x~4 62) (<= 62 ULTIMATE.start_main_~x~4)), 82508#(and (<= 61 ULTIMATE.start_main_~x~4) (<= ULTIMATE.start_main_~x~4 61)), 82511#(and (<= ULTIMATE.start_main_~x~4 64) (<= 64 ULTIMATE.start_main_~x~4)), 82510#(and (<= 63 ULTIMATE.start_main_~x~4) (<= ULTIMATE.start_main_~x~4 63)), 82513#(and (<= 66 ULTIMATE.start_main_~x~4) (<= ULTIMATE.start_main_~x~4 66)), 82512#(and (<= 65 ULTIMATE.start_main_~x~4) (<= ULTIMATE.start_main_~x~4 65)), 82515#(and (<= ULTIMATE.start_main_~x~4 68) (<= 68 ULTIMATE.start_main_~x~4)), 82514#(and (<= 67 ULTIMATE.start_main_~x~4) (<= ULTIMATE.start_main_~x~4 67)), 82517#(and (<= ULTIMATE.start_main_~x~4 70) (<= 70 ULTIMATE.start_main_~x~4)), 82516#(and (<= 69 ULTIMATE.start_main_~x~4) (<= ULTIMATE.start_main_~x~4 69)), 82519#(and (<= 72 ULTIMATE.start_main_~x~4) (<= ULTIMATE.start_main_~x~4 72)), 82518#(and (<= 71 ULTIMATE.start_main_~x~4) (<= ULTIMATE.start_main_~x~4 71)), 82521#(and (<= 74 ULTIMATE.start_main_~x~4) (<= ULTIMATE.start_main_~x~4 74)), 82520#(and (<= ULTIMATE.start_main_~x~4 73) (<= 73 ULTIMATE.start_main_~x~4)), 82523#(and (<= ULTIMATE.start_main_~x~4 76) (<= 76 ULTIMATE.start_main_~x~4)), 82522#(and (<= ULTIMATE.start_main_~x~4 75) (<= 75 ULTIMATE.start_main_~x~4)), 82525#(and (<= ULTIMATE.start_main_~x~4 78) (<= 78 ULTIMATE.start_main_~x~4)), 82524#(and (<= ULTIMATE.start_main_~x~4 77) (<= 77 ULTIMATE.start_main_~x~4)), 82527#(and (<= ULTIMATE.start_main_~x~4 80) (<= 80 ULTIMATE.start_main_~x~4)), 82526#(and (<= 79 ULTIMATE.start_main_~x~4) (<= ULTIMATE.start_main_~x~4 79)), 82529#(and (<= ULTIMATE.start_main_~x~4 82) (<= 82 ULTIMATE.start_main_~x~4)), 82528#(and (<= ULTIMATE.start_main_~x~4 81) (<= 81 ULTIMATE.start_main_~x~4)), 82531#(and (<= ULTIMATE.start_main_~x~4 84) (<= 84 ULTIMATE.start_main_~x~4)), 82530#(and (<= 83 ULTIMATE.start_main_~x~4) (<= ULTIMATE.start_main_~x~4 83)), 82533#(and (<= 86 ULTIMATE.start_main_~x~4) (<= ULTIMATE.start_main_~x~4 86)), 82532#(and (<= 85 ULTIMATE.start_main_~x~4) (<= ULTIMATE.start_main_~x~4 85)), 82535#(and (<= 88 ULTIMATE.start_main_~x~4) (<= ULTIMATE.start_main_~x~4 88)), 82534#(and (<= ULTIMATE.start_main_~x~4 87) (<= 87 ULTIMATE.start_main_~x~4)), 82537#(and (<= ULTIMATE.start_main_~x~4 90) (<= 90 ULTIMATE.start_main_~x~4)), 82536#(and (<= ULTIMATE.start_main_~x~4 89) (<= 89 ULTIMATE.start_main_~x~4)), 82539#(and (<= ULTIMATE.start_main_~x~4 92) (<= 92 ULTIMATE.start_main_~x~4)), 82538#(and (<= ULTIMATE.start_main_~x~4 91) (<= 91 ULTIMATE.start_main_~x~4)), 82541#(and (<= ULTIMATE.start_main_~x~4 94) (<= 94 ULTIMATE.start_main_~x~4)), 82540#(and (<= ULTIMATE.start_main_~x~4 93) (<= 93 ULTIMATE.start_main_~x~4)), 82543#(and (<= ULTIMATE.start_main_~x~4 96) (<= 96 ULTIMATE.start_main_~x~4)), 82542#(and (<= 95 ULTIMATE.start_main_~x~4) (<= ULTIMATE.start_main_~x~4 95)), 82545#(and (<= ULTIMATE.start_main_~x~4 98) (<= 98 ULTIMATE.start_main_~x~4)), 82544#(and (<= 97 ULTIMATE.start_main_~x~4) (<= ULTIMATE.start_main_~x~4 97)), 82547#(and (<= ULTIMATE.start_main_~x~4 100) (<= 100 ULTIMATE.start_main_~x~4)), 82546#(and (<= 99 ULTIMATE.start_main_~x~4) (<= ULTIMATE.start_main_~x~4 99)), 82549#(and (<= 102 ULTIMATE.start_main_~x~4) (<= ULTIMATE.start_main_~x~4 102)), 82548#(and (<= ULTIMATE.start_main_~x~4 101) (<= 101 ULTIMATE.start_main_~x~4)), 82551#(and (<= ULTIMATE.start_main_~x~4 104) (<= 104 ULTIMATE.start_main_~x~4)), 82550#(and (<= 103 ULTIMATE.start_main_~x~4) (<= ULTIMATE.start_main_~x~4 103)), 82553#(and (<= 106 ULTIMATE.start_main_~x~4) (<= ULTIMATE.start_main_~x~4 106)), 82552#(and (<= 105 ULTIMATE.start_main_~x~4) (<= ULTIMATE.start_main_~x~4 105)), 82555#(and (<= 108 ULTIMATE.start_main_~x~4) (<= ULTIMATE.start_main_~x~4 108)), 82554#(and (<= 107 ULTIMATE.start_main_~x~4) (<= ULTIMATE.start_main_~x~4 107)), 82557#(and (<= 110 ULTIMATE.start_main_~x~4) (<= ULTIMATE.start_main_~x~4 110)), 82556#(and (<= ULTIMATE.start_main_~x~4 109) (<= 109 ULTIMATE.start_main_~x~4)), 82559#(and (<= ULTIMATE.start_main_~x~4 112) (<= 112 ULTIMATE.start_main_~x~4)), 82558#(and (<= ULTIMATE.start_main_~x~4 111) (<= 111 ULTIMATE.start_main_~x~4)), 82561#(and (<= ULTIMATE.start_main_~x~4 114) (<= 114 ULTIMATE.start_main_~x~4)), 82560#(and (<= 113 ULTIMATE.start_main_~x~4) (<= ULTIMATE.start_main_~x~4 113)), 82563#(and (<= ULTIMATE.start_main_~x~4 116) (<= 116 ULTIMATE.start_main_~x~4)), 82562#(and (<= ULTIMATE.start_main_~x~4 115) (<= 115 ULTIMATE.start_main_~x~4)), 82565#(and (<= 118 ULTIMATE.start_main_~x~4) (<= ULTIMATE.start_main_~x~4 118)), 82564#(and (<= ULTIMATE.start_main_~x~4 117) (<= 117 ULTIMATE.start_main_~x~4)), 82567#(and (<= 120 ULTIMATE.start_main_~x~4) (<= ULTIMATE.start_main_~x~4 120)), 82566#(and (<= 119 ULTIMATE.start_main_~x~4) (<= ULTIMATE.start_main_~x~4 119)), 82569#(and (<= 122 ULTIMATE.start_main_~x~4) (<= ULTIMATE.start_main_~x~4 122)), 82568#(and (<= 121 ULTIMATE.start_main_~x~4) (<= ULTIMATE.start_main_~x~4 121)), 82571#(and (<= ULTIMATE.start_main_~x~4 124) (<= 124 ULTIMATE.start_main_~x~4)), 82570#(and (<= ULTIMATE.start_main_~x~4 123) (<= 123 ULTIMATE.start_main_~x~4)), 82573#(and (<= 126 ULTIMATE.start_main_~x~4) (<= ULTIMATE.start_main_~x~4 126)), 82572#(and (<= 125 ULTIMATE.start_main_~x~4) (<= ULTIMATE.start_main_~x~4 125)), 82575#(and (<= 128 ULTIMATE.start_main_~x~4) (<= ULTIMATE.start_main_~x~4 128)), 82574#(and (<= ULTIMATE.start_main_~x~4 127) (<= 127 ULTIMATE.start_main_~x~4)), 82577#(and (<= ULTIMATE.start_main_~x~4 130) (<= 130 ULTIMATE.start_main_~x~4)), 82576#(and (<= 129 ULTIMATE.start_main_~x~4) (<= ULTIMATE.start_main_~x~4 129)), 82579#(and (<= 132 ULTIMATE.start_main_~x~4) (<= ULTIMATE.start_main_~x~4 132)), 82578#(and (<= 131 ULTIMATE.start_main_~x~4) (<= ULTIMATE.start_main_~x~4 131))] [2018-07-23 13:51:51,608 INFO L134 CoverageAnalysis]: Checked inductivity of 17556 backedges. 0 proven. 17556 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-07-23 13:51:51,608 INFO L450 AbstractCegarLoop]: Interpolant automaton has 135 states [2018-07-23 13:51:51,609 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 135 interpolants. [2018-07-23 13:51:51,609 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=267, Invalid=17823, Unknown=0, NotChecked=0, Total=18090 [2018-07-23 13:51:51,609 INFO L87 Difference]: Start difference. First operand 269 states and 269 transitions. Second operand 135 states. [2018-07-23 13:51:52,878 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-07-23 13:51:52,878 INFO L93 Difference]: Finished difference Result 273 states and 273 transitions. [2018-07-23 13:51:52,878 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 135 states. [2018-07-23 13:51:52,879 INFO L78 Accepts]: Start accepts. Automaton has 135 states. Word has length 268 [2018-07-23 13:51:52,879 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-07-23 13:51:52,879 INFO L225 Difference]: With dead ends: 273 [2018-07-23 13:51:52,879 INFO L226 Difference]: Without dead ends: 271 [2018-07-23 13:51:52,881 INFO L575 BasicCegarLoop]: 0 DeclaredPredicates, 134 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 133 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.7s TimeCoverageRelationStatistics Valid=267, Invalid=17823, Unknown=0, NotChecked=0, Total=18090 [2018-07-23 13:51:52,881 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 271 states. [2018-07-23 13:51:52,887 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 271 to 271. [2018-07-23 13:51:52,888 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 271 states. [2018-07-23 13:51:52,888 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 271 states to 271 states and 271 transitions. [2018-07-23 13:51:52,888 INFO L78 Accepts]: Start accepts. Automaton has 271 states and 271 transitions. Word has length 268 [2018-07-23 13:51:52,888 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-07-23 13:51:52,888 INFO L471 AbstractCegarLoop]: Abstraction has 271 states and 271 transitions. [2018-07-23 13:51:52,888 INFO L472 AbstractCegarLoop]: Interpolant automaton has 135 states. [2018-07-23 13:51:52,888 INFO L276 IsEmpty]: Start isEmpty. Operand 271 states and 271 transitions. [2018-07-23 13:51:52,889 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 271 [2018-07-23 13:51:52,889 INFO L349 BasicCegarLoop]: Found error trace [2018-07-23 13:51:52,889 INFO L357 BasicCegarLoop]: trace histogram [134, 133, 1, 1, 1] [2018-07-23 13:51:52,889 INFO L414 AbstractCegarLoop]: === Iteration 134 === [ULTIMATE.startErr0AssertViolationASSERT]=== [2018-07-23 13:51:52,890 INFO L82 PathProgramCache]: Analyzing trace with hash 699213929, now seen corresponding path program 133 times [2018-07-23 13:51:52,890 INFO L69 tionRefinementEngine]: Using refinement strategy FixedRefinementStrategy [2018-07-23 13:51:53,134 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-07-23 13:51:54,071 INFO L134 CoverageAnalysis]: Checked inductivity of 17822 backedges. 0 proven. 17822 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-07-23 13:51:54,071 INFO L309 seRefinementStrategy]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2018-07-23 13:51:54,071 INFO L324 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [135] total 135 [2018-07-23 13:51:54,071 INFO L142 lantAutomatonBuilder]: Constructing canonical interpolant automaton, with selfloop in false state [2018-07-23 13:51:54,072 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-07-23 13:51:54,072 INFO L185 omatonBuilderFactory]: Interpolants [83713#(and (<= ULTIMATE.start_main_~x~4 43) (<= 43 ULTIMATE.start_main_~x~4)), 83712#(and (<= ULTIMATE.start_main_~x~4 42) (<= 42 ULTIMATE.start_main_~x~4)), 83715#(and (<= 45 ULTIMATE.start_main_~x~4) (<= ULTIMATE.start_main_~x~4 45)), 83714#(and (<= 44 ULTIMATE.start_main_~x~4) (<= ULTIMATE.start_main_~x~4 44)), 83717#(and (<= 47 ULTIMATE.start_main_~x~4) (<= ULTIMATE.start_main_~x~4 47)), 83716#(and (<= ULTIMATE.start_main_~x~4 46) (<= 46 ULTIMATE.start_main_~x~4)), 83719#(and (<= 49 ULTIMATE.start_main_~x~4) (<= ULTIMATE.start_main_~x~4 49)), 83718#(and (<= 48 ULTIMATE.start_main_~x~4) (<= ULTIMATE.start_main_~x~4 48)), 83721#(and (<= 51 ULTIMATE.start_main_~x~4) (<= ULTIMATE.start_main_~x~4 51)), 83720#(and (<= ULTIMATE.start_main_~x~4 50) (<= 50 ULTIMATE.start_main_~x~4)), 83723#(and (<= 53 ULTIMATE.start_main_~x~4) (<= ULTIMATE.start_main_~x~4 53)), 83722#(and (<= ULTIMATE.start_main_~x~4 52) (<= 52 ULTIMATE.start_main_~x~4)), 83725#(and (<= 55 ULTIMATE.start_main_~x~4) (<= ULTIMATE.start_main_~x~4 55)), 83724#(and (<= ULTIMATE.start_main_~x~4 54) (<= 54 ULTIMATE.start_main_~x~4)), 83727#(and (<= 57 ULTIMATE.start_main_~x~4) (<= ULTIMATE.start_main_~x~4 57)), 83726#(and (<= 56 ULTIMATE.start_main_~x~4) (<= ULTIMATE.start_main_~x~4 56)), 83729#(and (<= ULTIMATE.start_main_~x~4 59) (<= 59 ULTIMATE.start_main_~x~4)), 83728#(and (<= 58 ULTIMATE.start_main_~x~4) (<= ULTIMATE.start_main_~x~4 58)), 83731#(and (<= 61 ULTIMATE.start_main_~x~4) (<= ULTIMATE.start_main_~x~4 61)), 83730#(and (<= 60 ULTIMATE.start_main_~x~4) (<= ULTIMATE.start_main_~x~4 60)), 83733#(and (<= 63 ULTIMATE.start_main_~x~4) (<= ULTIMATE.start_main_~x~4 63)), 83732#(and (<= ULTIMATE.start_main_~x~4 62) (<= 62 ULTIMATE.start_main_~x~4)), 83735#(and (<= 65 ULTIMATE.start_main_~x~4) (<= ULTIMATE.start_main_~x~4 65)), 83734#(and (<= ULTIMATE.start_main_~x~4 64) (<= 64 ULTIMATE.start_main_~x~4)), 83737#(and (<= 67 ULTIMATE.start_main_~x~4) (<= ULTIMATE.start_main_~x~4 67)), 83736#(and (<= 66 ULTIMATE.start_main_~x~4) (<= ULTIMATE.start_main_~x~4 66)), 83739#(and (<= 69 ULTIMATE.start_main_~x~4) (<= ULTIMATE.start_main_~x~4 69)), 83738#(and (<= ULTIMATE.start_main_~x~4 68) (<= 68 ULTIMATE.start_main_~x~4)), 83741#(and (<= 71 ULTIMATE.start_main_~x~4) (<= ULTIMATE.start_main_~x~4 71)), 83740#(and (<= ULTIMATE.start_main_~x~4 70) (<= 70 ULTIMATE.start_main_~x~4)), 83743#(and (<= ULTIMATE.start_main_~x~4 73) (<= 73 ULTIMATE.start_main_~x~4)), 83742#(and (<= 72 ULTIMATE.start_main_~x~4) (<= ULTIMATE.start_main_~x~4 72)), 83745#(and (<= ULTIMATE.start_main_~x~4 75) (<= 75 ULTIMATE.start_main_~x~4)), 83744#(and (<= 74 ULTIMATE.start_main_~x~4) (<= ULTIMATE.start_main_~x~4 74)), 83747#(and (<= ULTIMATE.start_main_~x~4 77) (<= 77 ULTIMATE.start_main_~x~4)), 83746#(and (<= ULTIMATE.start_main_~x~4 76) (<= 76 ULTIMATE.start_main_~x~4)), 83749#(and (<= 79 ULTIMATE.start_main_~x~4) (<= ULTIMATE.start_main_~x~4 79)), 83748#(and (<= ULTIMATE.start_main_~x~4 78) (<= 78 ULTIMATE.start_main_~x~4)), 83751#(and (<= ULTIMATE.start_main_~x~4 81) (<= 81 ULTIMATE.start_main_~x~4)), 83750#(and (<= ULTIMATE.start_main_~x~4 80) (<= 80 ULTIMATE.start_main_~x~4)), 83753#(and (<= 83 ULTIMATE.start_main_~x~4) (<= ULTIMATE.start_main_~x~4 83)), 83752#(and (<= ULTIMATE.start_main_~x~4 82) (<= 82 ULTIMATE.start_main_~x~4)), 83755#(and (<= 85 ULTIMATE.start_main_~x~4) (<= ULTIMATE.start_main_~x~4 85)), 83754#(and (<= ULTIMATE.start_main_~x~4 84) (<= 84 ULTIMATE.start_main_~x~4)), 83757#(and (<= ULTIMATE.start_main_~x~4 87) (<= 87 ULTIMATE.start_main_~x~4)), 83756#(and (<= 86 ULTIMATE.start_main_~x~4) (<= ULTIMATE.start_main_~x~4 86)), 83759#(and (<= ULTIMATE.start_main_~x~4 89) (<= 89 ULTIMATE.start_main_~x~4)), 83758#(and (<= 88 ULTIMATE.start_main_~x~4) (<= ULTIMATE.start_main_~x~4 88)), 83761#(and (<= ULTIMATE.start_main_~x~4 91) (<= 91 ULTIMATE.start_main_~x~4)), 83760#(and (<= ULTIMATE.start_main_~x~4 90) (<= 90 ULTIMATE.start_main_~x~4)), 83763#(and (<= ULTIMATE.start_main_~x~4 93) (<= 93 ULTIMATE.start_main_~x~4)), 83762#(and (<= ULTIMATE.start_main_~x~4 92) (<= 92 ULTIMATE.start_main_~x~4)), 83765#(and (<= 95 ULTIMATE.start_main_~x~4) (<= ULTIMATE.start_main_~x~4 95)), 83764#(and (<= ULTIMATE.start_main_~x~4 94) (<= 94 ULTIMATE.start_main_~x~4)), 83767#(and (<= 97 ULTIMATE.start_main_~x~4) (<= ULTIMATE.start_main_~x~4 97)), 83766#(and (<= ULTIMATE.start_main_~x~4 96) (<= 96 ULTIMATE.start_main_~x~4)), 83769#(and (<= 99 ULTIMATE.start_main_~x~4) (<= ULTIMATE.start_main_~x~4 99)), 83768#(and (<= ULTIMATE.start_main_~x~4 98) (<= 98 ULTIMATE.start_main_~x~4)), 83771#(and (<= ULTIMATE.start_main_~x~4 101) (<= 101 ULTIMATE.start_main_~x~4)), 83770#(and (<= ULTIMATE.start_main_~x~4 100) (<= 100 ULTIMATE.start_main_~x~4)), 83773#(and (<= 103 ULTIMATE.start_main_~x~4) (<= ULTIMATE.start_main_~x~4 103)), 83772#(and (<= 102 ULTIMATE.start_main_~x~4) (<= ULTIMATE.start_main_~x~4 102)), 83775#(and (<= 105 ULTIMATE.start_main_~x~4) (<= ULTIMATE.start_main_~x~4 105)), 83774#(and (<= ULTIMATE.start_main_~x~4 104) (<= 104 ULTIMATE.start_main_~x~4)), 83777#(and (<= 107 ULTIMATE.start_main_~x~4) (<= ULTIMATE.start_main_~x~4 107)), 83776#(and (<= 106 ULTIMATE.start_main_~x~4) (<= ULTIMATE.start_main_~x~4 106)), 83779#(and (<= ULTIMATE.start_main_~x~4 109) (<= 109 ULTIMATE.start_main_~x~4)), 83778#(and (<= 108 ULTIMATE.start_main_~x~4) (<= ULTIMATE.start_main_~x~4 108)), 83781#(and (<= ULTIMATE.start_main_~x~4 111) (<= 111 ULTIMATE.start_main_~x~4)), 83780#(and (<= 110 ULTIMATE.start_main_~x~4) (<= ULTIMATE.start_main_~x~4 110)), 83783#(and (<= 113 ULTIMATE.start_main_~x~4) (<= ULTIMATE.start_main_~x~4 113)), 83782#(and (<= ULTIMATE.start_main_~x~4 112) (<= 112 ULTIMATE.start_main_~x~4)), 83785#(and (<= ULTIMATE.start_main_~x~4 115) (<= 115 ULTIMATE.start_main_~x~4)), 83784#(and (<= ULTIMATE.start_main_~x~4 114) (<= 114 ULTIMATE.start_main_~x~4)), 83787#(and (<= ULTIMATE.start_main_~x~4 117) (<= 117 ULTIMATE.start_main_~x~4)), 83786#(and (<= ULTIMATE.start_main_~x~4 116) (<= 116 ULTIMATE.start_main_~x~4)), 83789#(and (<= 119 ULTIMATE.start_main_~x~4) (<= ULTIMATE.start_main_~x~4 119)), 83788#(and (<= 118 ULTIMATE.start_main_~x~4) (<= ULTIMATE.start_main_~x~4 118)), 83791#(and (<= 121 ULTIMATE.start_main_~x~4) (<= ULTIMATE.start_main_~x~4 121)), 83790#(and (<= 120 ULTIMATE.start_main_~x~4) (<= ULTIMATE.start_main_~x~4 120)), 83793#(and (<= ULTIMATE.start_main_~x~4 123) (<= 123 ULTIMATE.start_main_~x~4)), 83792#(and (<= 122 ULTIMATE.start_main_~x~4) (<= ULTIMATE.start_main_~x~4 122)), 83795#(and (<= 125 ULTIMATE.start_main_~x~4) (<= ULTIMATE.start_main_~x~4 125)), 83794#(and (<= ULTIMATE.start_main_~x~4 124) (<= 124 ULTIMATE.start_main_~x~4)), 83797#(and (<= ULTIMATE.start_main_~x~4 127) (<= 127 ULTIMATE.start_main_~x~4)), 83796#(and (<= 126 ULTIMATE.start_main_~x~4) (<= ULTIMATE.start_main_~x~4 126)), 83799#(and (<= 129 ULTIMATE.start_main_~x~4) (<= ULTIMATE.start_main_~x~4 129)), 83798#(and (<= 128 ULTIMATE.start_main_~x~4) (<= ULTIMATE.start_main_~x~4 128)), 83801#(and (<= 131 ULTIMATE.start_main_~x~4) (<= ULTIMATE.start_main_~x~4 131)), 83800#(and (<= ULTIMATE.start_main_~x~4 130) (<= 130 ULTIMATE.start_main_~x~4)), 83803#(and (<= ULTIMATE.start_main_~x~4 133) (<= 133 ULTIMATE.start_main_~x~4)), 83802#(and (<= 132 ULTIMATE.start_main_~x~4) (<= ULTIMATE.start_main_~x~4 132)), 83669#false, 83668#true, 83671#(and (<= ULTIMATE.start_main_~x~4 1) (<= 1 ULTIMATE.start_main_~x~4)), 83670#(and (<= ULTIMATE.start_main_~x~4 0) (<= 0 ULTIMATE.start_main_~x~4)), 83673#(and (<= 3 ULTIMATE.start_main_~x~4) (<= ULTIMATE.start_main_~x~4 3)), 83672#(and (<= 2 ULTIMATE.start_main_~x~4) (<= ULTIMATE.start_main_~x~4 2)), 83675#(and (<= ULTIMATE.start_main_~x~4 5) (<= 5 ULTIMATE.start_main_~x~4)), 83674#(and (<= ULTIMATE.start_main_~x~4 4) (<= 4 ULTIMATE.start_main_~x~4)), 83677#(and (<= ULTIMATE.start_main_~x~4 7) (<= 7 ULTIMATE.start_main_~x~4)), 83676#(and (<= 6 ULTIMATE.start_main_~x~4) (<= ULTIMATE.start_main_~x~4 6)), 83679#(and (<= 9 ULTIMATE.start_main_~x~4) (<= ULTIMATE.start_main_~x~4 9)), 83678#(and (<= ULTIMATE.start_main_~x~4 8) (<= 8 ULTIMATE.start_main_~x~4)), 83681#(and (<= ULTIMATE.start_main_~x~4 11) (<= 11 ULTIMATE.start_main_~x~4)), 83680#(and (<= ULTIMATE.start_main_~x~4 10) (<= 10 ULTIMATE.start_main_~x~4)), 83683#(and (<= ULTIMATE.start_main_~x~4 13) (<= 13 ULTIMATE.start_main_~x~4)), 83682#(and (<= 12 ULTIMATE.start_main_~x~4) (<= ULTIMATE.start_main_~x~4 12)), 83685#(and (<= 15 ULTIMATE.start_main_~x~4) (<= ULTIMATE.start_main_~x~4 15)), 83684#(and (<= 14 ULTIMATE.start_main_~x~4) (<= ULTIMATE.start_main_~x~4 14)), 83687#(and (<= ULTIMATE.start_main_~x~4 17) (<= 17 ULTIMATE.start_main_~x~4)), 83686#(and (<= ULTIMATE.start_main_~x~4 16) (<= 16 ULTIMATE.start_main_~x~4)), 83689#(and (<= 19 ULTIMATE.start_main_~x~4) (<= ULTIMATE.start_main_~x~4 19)), 83688#(and (<= 18 ULTIMATE.start_main_~x~4) (<= ULTIMATE.start_main_~x~4 18)), 83691#(and (<= ULTIMATE.start_main_~x~4 21) (<= 21 ULTIMATE.start_main_~x~4)), 83690#(and (<= 20 ULTIMATE.start_main_~x~4) (<= ULTIMATE.start_main_~x~4 20)), 83693#(and (<= ULTIMATE.start_main_~x~4 23) (<= 23 ULTIMATE.start_main_~x~4)), 83692#(and (<= ULTIMATE.start_main_~x~4 22) (<= 22 ULTIMATE.start_main_~x~4)), 83695#(and (<= ULTIMATE.start_main_~x~4 25) (<= 25 ULTIMATE.start_main_~x~4)), 83694#(and (<= ULTIMATE.start_main_~x~4 24) (<= 24 ULTIMATE.start_main_~x~4)), 83697#(and (<= ULTIMATE.start_main_~x~4 27) (<= 27 ULTIMATE.start_main_~x~4)), 83696#(and (<= ULTIMATE.start_main_~x~4 26) (<= 26 ULTIMATE.start_main_~x~4)), 83699#(and (<= 29 ULTIMATE.start_main_~x~4) (<= ULTIMATE.start_main_~x~4 29)), 83698#(and (<= ULTIMATE.start_main_~x~4 28) (<= 28 ULTIMATE.start_main_~x~4)), 83701#(and (<= ULTIMATE.start_main_~x~4 31) (<= 31 ULTIMATE.start_main_~x~4)), 83700#(and (<= ULTIMATE.start_main_~x~4 30) (<= 30 ULTIMATE.start_main_~x~4)), 83703#(and (<= ULTIMATE.start_main_~x~4 33) (<= 33 ULTIMATE.start_main_~x~4)), 83702#(and (<= ULTIMATE.start_main_~x~4 32) (<= 32 ULTIMATE.start_main_~x~4)), 83705#(and (<= ULTIMATE.start_main_~x~4 35) (<= 35 ULTIMATE.start_main_~x~4)), 83704#(and (<= 34 ULTIMATE.start_main_~x~4) (<= ULTIMATE.start_main_~x~4 34)), 83707#(and (<= ULTIMATE.start_main_~x~4 37) (<= 37 ULTIMATE.start_main_~x~4)), 83706#(and (<= 36 ULTIMATE.start_main_~x~4) (<= ULTIMATE.start_main_~x~4 36)), 83709#(and (<= ULTIMATE.start_main_~x~4 39) (<= 39 ULTIMATE.start_main_~x~4)), 83708#(and (<= 38 ULTIMATE.start_main_~x~4) (<= ULTIMATE.start_main_~x~4 38)), 83711#(and (<= ULTIMATE.start_main_~x~4 41) (<= 41 ULTIMATE.start_main_~x~4)), 83710#(and (<= ULTIMATE.start_main_~x~4 40) (<= 40 ULTIMATE.start_main_~x~4))] [2018-07-23 13:51:54,073 INFO L134 CoverageAnalysis]: Checked inductivity of 17822 backedges. 0 proven. 17822 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-07-23 13:51:54,073 INFO L450 AbstractCegarLoop]: Interpolant automaton has 136 states [2018-07-23 13:51:54,074 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 136 interpolants. [2018-07-23 13:51:54,075 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=269, Invalid=18091, Unknown=0, NotChecked=0, Total=18360 [2018-07-23 13:51:54,075 INFO L87 Difference]: Start difference. First operand 271 states and 271 transitions. Second operand 136 states. [2018-07-23 13:51:55,379 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-07-23 13:51:55,379 INFO L93 Difference]: Finished difference Result 275 states and 275 transitions. [2018-07-23 13:51:55,379 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 136 states. [2018-07-23 13:51:55,379 INFO L78 Accepts]: Start accepts. Automaton has 136 states. Word has length 270 [2018-07-23 13:51:55,380 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-07-23 13:51:55,380 INFO L225 Difference]: With dead ends: 275 [2018-07-23 13:51:55,380 INFO L226 Difference]: Without dead ends: 273 [2018-07-23 13:51:55,382 INFO L575 BasicCegarLoop]: 0 DeclaredPredicates, 135 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 134 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.7s TimeCoverageRelationStatistics Valid=269, Invalid=18091, Unknown=0, NotChecked=0, Total=18360 [2018-07-23 13:51:55,382 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 273 states. [2018-07-23 13:51:55,388 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 273 to 273. [2018-07-23 13:51:55,388 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 273 states. [2018-07-23 13:51:55,389 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 273 states to 273 states and 273 transitions. [2018-07-23 13:51:55,389 INFO L78 Accepts]: Start accepts. Automaton has 273 states and 273 transitions. Word has length 270 [2018-07-23 13:51:55,389 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-07-23 13:51:55,389 INFO L471 AbstractCegarLoop]: Abstraction has 273 states and 273 transitions. [2018-07-23 13:51:55,389 INFO L472 AbstractCegarLoop]: Interpolant automaton has 136 states. [2018-07-23 13:51:55,389 INFO L276 IsEmpty]: Start isEmpty. Operand 273 states and 273 transitions. [2018-07-23 13:51:55,390 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 273 [2018-07-23 13:51:55,390 INFO L349 BasicCegarLoop]: Found error trace [2018-07-23 13:51:55,390 INFO L357 BasicCegarLoop]: trace histogram [135, 134, 1, 1, 1] [2018-07-23 13:51:55,390 INFO L414 AbstractCegarLoop]: === Iteration 135 === [ULTIMATE.startErr0AssertViolationASSERT]=== [2018-07-23 13:51:55,390 INFO L82 PathProgramCache]: Analyzing trace with hash 1929739683, now seen corresponding path program 134 times [2018-07-23 13:51:55,391 INFO L69 tionRefinementEngine]: Using refinement strategy FixedRefinementStrategy [2018-07-23 13:51:55,621 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-07-23 13:51:56,636 INFO L134 CoverageAnalysis]: Checked inductivity of 18090 backedges. 0 proven. 18090 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-07-23 13:51:56,637 INFO L309 seRefinementStrategy]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2018-07-23 13:51:56,637 INFO L324 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [136] total 136 [2018-07-23 13:51:56,637 INFO L142 lantAutomatonBuilder]: Constructing canonical interpolant automaton, with selfloop in false state [2018-07-23 13:51:56,637 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-07-23 13:51:56,638 INFO L185 omatonBuilderFactory]: Interpolants [84993#(and (<= ULTIMATE.start_main_~x~4 91) (<= 91 ULTIMATE.start_main_~x~4)), 84992#(and (<= ULTIMATE.start_main_~x~4 90) (<= 90 ULTIMATE.start_main_~x~4)), 84995#(and (<= ULTIMATE.start_main_~x~4 93) (<= 93 ULTIMATE.start_main_~x~4)), 84994#(and (<= ULTIMATE.start_main_~x~4 92) (<= 92 ULTIMATE.start_main_~x~4)), 84997#(and (<= 95 ULTIMATE.start_main_~x~4) (<= ULTIMATE.start_main_~x~4 95)), 84996#(and (<= ULTIMATE.start_main_~x~4 94) (<= 94 ULTIMATE.start_main_~x~4)), 84999#(and (<= 97 ULTIMATE.start_main_~x~4) (<= ULTIMATE.start_main_~x~4 97)), 84998#(and (<= ULTIMATE.start_main_~x~4 96) (<= 96 ULTIMATE.start_main_~x~4)), 85001#(and (<= 99 ULTIMATE.start_main_~x~4) (<= ULTIMATE.start_main_~x~4 99)), 85000#(and (<= ULTIMATE.start_main_~x~4 98) (<= 98 ULTIMATE.start_main_~x~4)), 85003#(and (<= ULTIMATE.start_main_~x~4 101) (<= 101 ULTIMATE.start_main_~x~4)), 85002#(and (<= ULTIMATE.start_main_~x~4 100) (<= 100 ULTIMATE.start_main_~x~4)), 85005#(and (<= 103 ULTIMATE.start_main_~x~4) (<= ULTIMATE.start_main_~x~4 103)), 85004#(and (<= 102 ULTIMATE.start_main_~x~4) (<= ULTIMATE.start_main_~x~4 102)), 85007#(and (<= 105 ULTIMATE.start_main_~x~4) (<= ULTIMATE.start_main_~x~4 105)), 85006#(and (<= ULTIMATE.start_main_~x~4 104) (<= 104 ULTIMATE.start_main_~x~4)), 85009#(and (<= 107 ULTIMATE.start_main_~x~4) (<= ULTIMATE.start_main_~x~4 107)), 85008#(and (<= 106 ULTIMATE.start_main_~x~4) (<= ULTIMATE.start_main_~x~4 106)), 85011#(and (<= ULTIMATE.start_main_~x~4 109) (<= 109 ULTIMATE.start_main_~x~4)), 85010#(and (<= 108 ULTIMATE.start_main_~x~4) (<= ULTIMATE.start_main_~x~4 108)), 85013#(and (<= ULTIMATE.start_main_~x~4 111) (<= 111 ULTIMATE.start_main_~x~4)), 85012#(and (<= 110 ULTIMATE.start_main_~x~4) (<= ULTIMATE.start_main_~x~4 110)), 85015#(and (<= 113 ULTIMATE.start_main_~x~4) (<= ULTIMATE.start_main_~x~4 113)), 85014#(and (<= ULTIMATE.start_main_~x~4 112) (<= 112 ULTIMATE.start_main_~x~4)), 85017#(and (<= ULTIMATE.start_main_~x~4 115) (<= 115 ULTIMATE.start_main_~x~4)), 85016#(and (<= ULTIMATE.start_main_~x~4 114) (<= 114 ULTIMATE.start_main_~x~4)), 85019#(and (<= ULTIMATE.start_main_~x~4 117) (<= 117 ULTIMATE.start_main_~x~4)), 85018#(and (<= ULTIMATE.start_main_~x~4 116) (<= 116 ULTIMATE.start_main_~x~4)), 85021#(and (<= 119 ULTIMATE.start_main_~x~4) (<= ULTIMATE.start_main_~x~4 119)), 85020#(and (<= 118 ULTIMATE.start_main_~x~4) (<= ULTIMATE.start_main_~x~4 118)), 85023#(and (<= 121 ULTIMATE.start_main_~x~4) (<= ULTIMATE.start_main_~x~4 121)), 85022#(and (<= 120 ULTIMATE.start_main_~x~4) (<= ULTIMATE.start_main_~x~4 120)), 85025#(and (<= ULTIMATE.start_main_~x~4 123) (<= 123 ULTIMATE.start_main_~x~4)), 85024#(and (<= 122 ULTIMATE.start_main_~x~4) (<= ULTIMATE.start_main_~x~4 122)), 85027#(and (<= 125 ULTIMATE.start_main_~x~4) (<= ULTIMATE.start_main_~x~4 125)), 85026#(and (<= ULTIMATE.start_main_~x~4 124) (<= 124 ULTIMATE.start_main_~x~4)), 85029#(and (<= ULTIMATE.start_main_~x~4 127) (<= 127 ULTIMATE.start_main_~x~4)), 85028#(and (<= 126 ULTIMATE.start_main_~x~4) (<= ULTIMATE.start_main_~x~4 126)), 85031#(and (<= 129 ULTIMATE.start_main_~x~4) (<= ULTIMATE.start_main_~x~4 129)), 85030#(and (<= 128 ULTIMATE.start_main_~x~4) (<= ULTIMATE.start_main_~x~4 128)), 85033#(and (<= 131 ULTIMATE.start_main_~x~4) (<= ULTIMATE.start_main_~x~4 131)), 85032#(and (<= ULTIMATE.start_main_~x~4 130) (<= 130 ULTIMATE.start_main_~x~4)), 85035#(and (<= ULTIMATE.start_main_~x~4 133) (<= 133 ULTIMATE.start_main_~x~4)), 85034#(and (<= 132 ULTIMATE.start_main_~x~4) (<= ULTIMATE.start_main_~x~4 132)), 85036#(and (<= 134 ULTIMATE.start_main_~x~4) (<= ULTIMATE.start_main_~x~4 134)), 84901#false, 84900#true, 84903#(and (<= ULTIMATE.start_main_~x~4 1) (<= 1 ULTIMATE.start_main_~x~4)), 84902#(and (<= ULTIMATE.start_main_~x~4 0) (<= 0 ULTIMATE.start_main_~x~4)), 84905#(and (<= 3 ULTIMATE.start_main_~x~4) (<= ULTIMATE.start_main_~x~4 3)), 84904#(and (<= 2 ULTIMATE.start_main_~x~4) (<= ULTIMATE.start_main_~x~4 2)), 84907#(and (<= ULTIMATE.start_main_~x~4 5) (<= 5 ULTIMATE.start_main_~x~4)), 84906#(and (<= ULTIMATE.start_main_~x~4 4) (<= 4 ULTIMATE.start_main_~x~4)), 84909#(and (<= ULTIMATE.start_main_~x~4 7) (<= 7 ULTIMATE.start_main_~x~4)), 84908#(and (<= 6 ULTIMATE.start_main_~x~4) (<= ULTIMATE.start_main_~x~4 6)), 84911#(and (<= 9 ULTIMATE.start_main_~x~4) (<= ULTIMATE.start_main_~x~4 9)), 84910#(and (<= ULTIMATE.start_main_~x~4 8) (<= 8 ULTIMATE.start_main_~x~4)), 84913#(and (<= ULTIMATE.start_main_~x~4 11) (<= 11 ULTIMATE.start_main_~x~4)), 84912#(and (<= ULTIMATE.start_main_~x~4 10) (<= 10 ULTIMATE.start_main_~x~4)), 84915#(and (<= ULTIMATE.start_main_~x~4 13) (<= 13 ULTIMATE.start_main_~x~4)), 84914#(and (<= 12 ULTIMATE.start_main_~x~4) (<= ULTIMATE.start_main_~x~4 12)), 84917#(and (<= 15 ULTIMATE.start_main_~x~4) (<= ULTIMATE.start_main_~x~4 15)), 84916#(and (<= 14 ULTIMATE.start_main_~x~4) (<= ULTIMATE.start_main_~x~4 14)), 84919#(and (<= ULTIMATE.start_main_~x~4 17) (<= 17 ULTIMATE.start_main_~x~4)), 84918#(and (<= ULTIMATE.start_main_~x~4 16) (<= 16 ULTIMATE.start_main_~x~4)), 84921#(and (<= 19 ULTIMATE.start_main_~x~4) (<= ULTIMATE.start_main_~x~4 19)), 84920#(and (<= 18 ULTIMATE.start_main_~x~4) (<= ULTIMATE.start_main_~x~4 18)), 84923#(and (<= ULTIMATE.start_main_~x~4 21) (<= 21 ULTIMATE.start_main_~x~4)), 84922#(and (<= 20 ULTIMATE.start_main_~x~4) (<= ULTIMATE.start_main_~x~4 20)), 84925#(and (<= ULTIMATE.start_main_~x~4 23) (<= 23 ULTIMATE.start_main_~x~4)), 84924#(and (<= ULTIMATE.start_main_~x~4 22) (<= 22 ULTIMATE.start_main_~x~4)), 84927#(and (<= ULTIMATE.start_main_~x~4 25) (<= 25 ULTIMATE.start_main_~x~4)), 84926#(and (<= ULTIMATE.start_main_~x~4 24) (<= 24 ULTIMATE.start_main_~x~4)), 84929#(and (<= ULTIMATE.start_main_~x~4 27) (<= 27 ULTIMATE.start_main_~x~4)), 84928#(and (<= ULTIMATE.start_main_~x~4 26) (<= 26 ULTIMATE.start_main_~x~4)), 84931#(and (<= 29 ULTIMATE.start_main_~x~4) (<= ULTIMATE.start_main_~x~4 29)), 84930#(and (<= ULTIMATE.start_main_~x~4 28) (<= 28 ULTIMATE.start_main_~x~4)), 84933#(and (<= ULTIMATE.start_main_~x~4 31) (<= 31 ULTIMATE.start_main_~x~4)), 84932#(and (<= ULTIMATE.start_main_~x~4 30) (<= 30 ULTIMATE.start_main_~x~4)), 84935#(and (<= ULTIMATE.start_main_~x~4 33) (<= 33 ULTIMATE.start_main_~x~4)), 84934#(and (<= ULTIMATE.start_main_~x~4 32) (<= 32 ULTIMATE.start_main_~x~4)), 84937#(and (<= ULTIMATE.start_main_~x~4 35) (<= 35 ULTIMATE.start_main_~x~4)), 84936#(and (<= 34 ULTIMATE.start_main_~x~4) (<= ULTIMATE.start_main_~x~4 34)), 84939#(and (<= ULTIMATE.start_main_~x~4 37) (<= 37 ULTIMATE.start_main_~x~4)), 84938#(and (<= 36 ULTIMATE.start_main_~x~4) (<= ULTIMATE.start_main_~x~4 36)), 84941#(and (<= ULTIMATE.start_main_~x~4 39) (<= 39 ULTIMATE.start_main_~x~4)), 84940#(and (<= 38 ULTIMATE.start_main_~x~4) (<= ULTIMATE.start_main_~x~4 38)), 84943#(and (<= ULTIMATE.start_main_~x~4 41) (<= 41 ULTIMATE.start_main_~x~4)), 84942#(and (<= ULTIMATE.start_main_~x~4 40) (<= 40 ULTIMATE.start_main_~x~4)), 84945#(and (<= ULTIMATE.start_main_~x~4 43) (<= 43 ULTIMATE.start_main_~x~4)), 84944#(and (<= ULTIMATE.start_main_~x~4 42) (<= 42 ULTIMATE.start_main_~x~4)), 84947#(and (<= 45 ULTIMATE.start_main_~x~4) (<= ULTIMATE.start_main_~x~4 45)), 84946#(and (<= 44 ULTIMATE.start_main_~x~4) (<= ULTIMATE.start_main_~x~4 44)), 84949#(and (<= 47 ULTIMATE.start_main_~x~4) (<= ULTIMATE.start_main_~x~4 47)), 84948#(and (<= ULTIMATE.start_main_~x~4 46) (<= 46 ULTIMATE.start_main_~x~4)), 84951#(and (<= 49 ULTIMATE.start_main_~x~4) (<= ULTIMATE.start_main_~x~4 49)), 84950#(and (<= 48 ULTIMATE.start_main_~x~4) (<= ULTIMATE.start_main_~x~4 48)), 84953#(and (<= 51 ULTIMATE.start_main_~x~4) (<= ULTIMATE.start_main_~x~4 51)), 84952#(and (<= ULTIMATE.start_main_~x~4 50) (<= 50 ULTIMATE.start_main_~x~4)), 84955#(and (<= 53 ULTIMATE.start_main_~x~4) (<= ULTIMATE.start_main_~x~4 53)), 84954#(and (<= ULTIMATE.start_main_~x~4 52) (<= 52 ULTIMATE.start_main_~x~4)), 84957#(and (<= 55 ULTIMATE.start_main_~x~4) (<= ULTIMATE.start_main_~x~4 55)), 84956#(and (<= ULTIMATE.start_main_~x~4 54) (<= 54 ULTIMATE.start_main_~x~4)), 84959#(and (<= 57 ULTIMATE.start_main_~x~4) (<= ULTIMATE.start_main_~x~4 57)), 84958#(and (<= 56 ULTIMATE.start_main_~x~4) (<= ULTIMATE.start_main_~x~4 56)), 84961#(and (<= ULTIMATE.start_main_~x~4 59) (<= 59 ULTIMATE.start_main_~x~4)), 84960#(and (<= 58 ULTIMATE.start_main_~x~4) (<= ULTIMATE.start_main_~x~4 58)), 84963#(and (<= 61 ULTIMATE.start_main_~x~4) (<= ULTIMATE.start_main_~x~4 61)), 84962#(and (<= 60 ULTIMATE.start_main_~x~4) (<= ULTIMATE.start_main_~x~4 60)), 84965#(and (<= 63 ULTIMATE.start_main_~x~4) (<= ULTIMATE.start_main_~x~4 63)), 84964#(and (<= ULTIMATE.start_main_~x~4 62) (<= 62 ULTIMATE.start_main_~x~4)), 84967#(and (<= 65 ULTIMATE.start_main_~x~4) (<= ULTIMATE.start_main_~x~4 65)), 84966#(and (<= ULTIMATE.start_main_~x~4 64) (<= 64 ULTIMATE.start_main_~x~4)), 84969#(and (<= 67 ULTIMATE.start_main_~x~4) (<= ULTIMATE.start_main_~x~4 67)), 84968#(and (<= 66 ULTIMATE.start_main_~x~4) (<= ULTIMATE.start_main_~x~4 66)), 84971#(and (<= 69 ULTIMATE.start_main_~x~4) (<= ULTIMATE.start_main_~x~4 69)), 84970#(and (<= ULTIMATE.start_main_~x~4 68) (<= 68 ULTIMATE.start_main_~x~4)), 84973#(and (<= 71 ULTIMATE.start_main_~x~4) (<= ULTIMATE.start_main_~x~4 71)), 84972#(and (<= ULTIMATE.start_main_~x~4 70) (<= 70 ULTIMATE.start_main_~x~4)), 84975#(and (<= ULTIMATE.start_main_~x~4 73) (<= 73 ULTIMATE.start_main_~x~4)), 84974#(and (<= 72 ULTIMATE.start_main_~x~4) (<= ULTIMATE.start_main_~x~4 72)), 84977#(and (<= ULTIMATE.start_main_~x~4 75) (<= 75 ULTIMATE.start_main_~x~4)), 84976#(and (<= 74 ULTIMATE.start_main_~x~4) (<= ULTIMATE.start_main_~x~4 74)), 84979#(and (<= ULTIMATE.start_main_~x~4 77) (<= 77 ULTIMATE.start_main_~x~4)), 84978#(and (<= ULTIMATE.start_main_~x~4 76) (<= 76 ULTIMATE.start_main_~x~4)), 84981#(and (<= 79 ULTIMATE.start_main_~x~4) (<= ULTIMATE.start_main_~x~4 79)), 84980#(and (<= ULTIMATE.start_main_~x~4 78) (<= 78 ULTIMATE.start_main_~x~4)), 84983#(and (<= ULTIMATE.start_main_~x~4 81) (<= 81 ULTIMATE.start_main_~x~4)), 84982#(and (<= ULTIMATE.start_main_~x~4 80) (<= 80 ULTIMATE.start_main_~x~4)), 84985#(and (<= 83 ULTIMATE.start_main_~x~4) (<= ULTIMATE.start_main_~x~4 83)), 84984#(and (<= ULTIMATE.start_main_~x~4 82) (<= 82 ULTIMATE.start_main_~x~4)), 84987#(and (<= 85 ULTIMATE.start_main_~x~4) (<= ULTIMATE.start_main_~x~4 85)), 84986#(and (<= ULTIMATE.start_main_~x~4 84) (<= 84 ULTIMATE.start_main_~x~4)), 84989#(and (<= ULTIMATE.start_main_~x~4 87) (<= 87 ULTIMATE.start_main_~x~4)), 84988#(and (<= 86 ULTIMATE.start_main_~x~4) (<= ULTIMATE.start_main_~x~4 86)), 84991#(and (<= ULTIMATE.start_main_~x~4 89) (<= 89 ULTIMATE.start_main_~x~4)), 84990#(and (<= 88 ULTIMATE.start_main_~x~4) (<= ULTIMATE.start_main_~x~4 88))] [2018-07-23 13:51:56,639 INFO L134 CoverageAnalysis]: Checked inductivity of 18090 backedges. 0 proven. 18090 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-07-23 13:51:56,639 INFO L450 AbstractCegarLoop]: Interpolant automaton has 137 states [2018-07-23 13:51:56,639 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 137 interpolants. [2018-07-23 13:51:56,640 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=271, Invalid=18361, Unknown=0, NotChecked=0, Total=18632 [2018-07-23 13:51:56,640 INFO L87 Difference]: Start difference. First operand 273 states and 273 transitions. Second operand 137 states. [2018-07-23 13:51:57,937 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-07-23 13:51:57,938 INFO L93 Difference]: Finished difference Result 277 states and 277 transitions. [2018-07-23 13:51:57,938 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 137 states. [2018-07-23 13:51:57,938 INFO L78 Accepts]: Start accepts. Automaton has 137 states. Word has length 272 [2018-07-23 13:51:57,938 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-07-23 13:51:57,939 INFO L225 Difference]: With dead ends: 277 [2018-07-23 13:51:57,939 INFO L226 Difference]: Without dead ends: 275 [2018-07-23 13:51:57,940 INFO L575 BasicCegarLoop]: 0 DeclaredPredicates, 136 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 135 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.7s TimeCoverageRelationStatistics Valid=271, Invalid=18361, Unknown=0, NotChecked=0, Total=18632 [2018-07-23 13:51:57,941 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 275 states. [2018-07-23 13:51:57,950 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 275 to 275. [2018-07-23 13:51:57,951 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 275 states. [2018-07-23 13:51:57,951 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 275 states to 275 states and 275 transitions. [2018-07-23 13:51:57,951 INFO L78 Accepts]: Start accepts. Automaton has 275 states and 275 transitions. Word has length 272 [2018-07-23 13:51:57,952 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-07-23 13:51:57,952 INFO L471 AbstractCegarLoop]: Abstraction has 275 states and 275 transitions. [2018-07-23 13:51:57,952 INFO L472 AbstractCegarLoop]: Interpolant automaton has 137 states. [2018-07-23 13:51:57,952 INFO L276 IsEmpty]: Start isEmpty. Operand 275 states and 275 transitions. [2018-07-23 13:51:57,953 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 275 [2018-07-23 13:51:57,953 INFO L349 BasicCegarLoop]: Found error trace [2018-07-23 13:51:57,953 INFO L357 BasicCegarLoop]: trace histogram [136, 135, 1, 1, 1] [2018-07-23 13:51:57,953 INFO L414 AbstractCegarLoop]: === Iteration 136 === [ULTIMATE.startErr0AssertViolationASSERT]=== [2018-07-23 13:51:57,953 INFO L82 PathProgramCache]: Analyzing trace with hash -945984419, now seen corresponding path program 135 times [2018-07-23 13:51:57,954 INFO L69 tionRefinementEngine]: Using refinement strategy FixedRefinementStrategy [2018-07-23 13:51:58,239 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-07-23 13:51:59,234 INFO L134 CoverageAnalysis]: Checked inductivity of 18360 backedges. 0 proven. 18360 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-07-23 13:51:59,235 INFO L309 seRefinementStrategy]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2018-07-23 13:51:59,235 INFO L324 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [137] total 137 [2018-07-23 13:51:59,235 INFO L142 lantAutomatonBuilder]: Constructing canonical interpolant automaton, with selfloop in false state [2018-07-23 13:51:59,235 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-07-23 13:51:59,236 INFO L185 omatonBuilderFactory]: Interpolants [86273#(and (<= ULTIMATE.start_main_~x~4 130) (<= 130 ULTIMATE.start_main_~x~4)), 86272#(and (<= 129 ULTIMATE.start_main_~x~4) (<= ULTIMATE.start_main_~x~4 129)), 86275#(and (<= 132 ULTIMATE.start_main_~x~4) (<= ULTIMATE.start_main_~x~4 132)), 86274#(and (<= 131 ULTIMATE.start_main_~x~4) (<= ULTIMATE.start_main_~x~4 131)), 86277#(and (<= 134 ULTIMATE.start_main_~x~4) (<= ULTIMATE.start_main_~x~4 134)), 86276#(and (<= ULTIMATE.start_main_~x~4 133) (<= 133 ULTIMATE.start_main_~x~4)), 86278#(and (<= 135 ULTIMATE.start_main_~x~4) (<= ULTIMATE.start_main_~x~4 135)), 86141#true, 86143#(and (<= ULTIMATE.start_main_~x~4 0) (<= 0 ULTIMATE.start_main_~x~4)), 86142#false, 86145#(and (<= 2 ULTIMATE.start_main_~x~4) (<= ULTIMATE.start_main_~x~4 2)), 86144#(and (<= ULTIMATE.start_main_~x~4 1) (<= 1 ULTIMATE.start_main_~x~4)), 86147#(and (<= ULTIMATE.start_main_~x~4 4) (<= 4 ULTIMATE.start_main_~x~4)), 86146#(and (<= 3 ULTIMATE.start_main_~x~4) (<= ULTIMATE.start_main_~x~4 3)), 86149#(and (<= 6 ULTIMATE.start_main_~x~4) (<= ULTIMATE.start_main_~x~4 6)), 86148#(and (<= ULTIMATE.start_main_~x~4 5) (<= 5 ULTIMATE.start_main_~x~4)), 86151#(and (<= ULTIMATE.start_main_~x~4 8) (<= 8 ULTIMATE.start_main_~x~4)), 86150#(and (<= ULTIMATE.start_main_~x~4 7) (<= 7 ULTIMATE.start_main_~x~4)), 86153#(and (<= ULTIMATE.start_main_~x~4 10) (<= 10 ULTIMATE.start_main_~x~4)), 86152#(and (<= 9 ULTIMATE.start_main_~x~4) (<= ULTIMATE.start_main_~x~4 9)), 86155#(and (<= 12 ULTIMATE.start_main_~x~4) (<= ULTIMATE.start_main_~x~4 12)), 86154#(and (<= ULTIMATE.start_main_~x~4 11) (<= 11 ULTIMATE.start_main_~x~4)), 86157#(and (<= 14 ULTIMATE.start_main_~x~4) (<= ULTIMATE.start_main_~x~4 14)), 86156#(and (<= ULTIMATE.start_main_~x~4 13) (<= 13 ULTIMATE.start_main_~x~4)), 86159#(and (<= ULTIMATE.start_main_~x~4 16) (<= 16 ULTIMATE.start_main_~x~4)), 86158#(and (<= 15 ULTIMATE.start_main_~x~4) (<= ULTIMATE.start_main_~x~4 15)), 86161#(and (<= 18 ULTIMATE.start_main_~x~4) (<= ULTIMATE.start_main_~x~4 18)), 86160#(and (<= ULTIMATE.start_main_~x~4 17) (<= 17 ULTIMATE.start_main_~x~4)), 86163#(and (<= 20 ULTIMATE.start_main_~x~4) (<= ULTIMATE.start_main_~x~4 20)), 86162#(and (<= 19 ULTIMATE.start_main_~x~4) (<= ULTIMATE.start_main_~x~4 19)), 86165#(and (<= ULTIMATE.start_main_~x~4 22) (<= 22 ULTIMATE.start_main_~x~4)), 86164#(and (<= ULTIMATE.start_main_~x~4 21) (<= 21 ULTIMATE.start_main_~x~4)), 86167#(and (<= ULTIMATE.start_main_~x~4 24) (<= 24 ULTIMATE.start_main_~x~4)), 86166#(and (<= ULTIMATE.start_main_~x~4 23) (<= 23 ULTIMATE.start_main_~x~4)), 86169#(and (<= ULTIMATE.start_main_~x~4 26) (<= 26 ULTIMATE.start_main_~x~4)), 86168#(and (<= ULTIMATE.start_main_~x~4 25) (<= 25 ULTIMATE.start_main_~x~4)), 86171#(and (<= ULTIMATE.start_main_~x~4 28) (<= 28 ULTIMATE.start_main_~x~4)), 86170#(and (<= ULTIMATE.start_main_~x~4 27) (<= 27 ULTIMATE.start_main_~x~4)), 86173#(and (<= ULTIMATE.start_main_~x~4 30) (<= 30 ULTIMATE.start_main_~x~4)), 86172#(and (<= 29 ULTIMATE.start_main_~x~4) (<= ULTIMATE.start_main_~x~4 29)), 86175#(and (<= ULTIMATE.start_main_~x~4 32) (<= 32 ULTIMATE.start_main_~x~4)), 86174#(and (<= ULTIMATE.start_main_~x~4 31) (<= 31 ULTIMATE.start_main_~x~4)), 86177#(and (<= 34 ULTIMATE.start_main_~x~4) (<= ULTIMATE.start_main_~x~4 34)), 86176#(and (<= ULTIMATE.start_main_~x~4 33) (<= 33 ULTIMATE.start_main_~x~4)), 86179#(and (<= 36 ULTIMATE.start_main_~x~4) (<= ULTIMATE.start_main_~x~4 36)), 86178#(and (<= ULTIMATE.start_main_~x~4 35) (<= 35 ULTIMATE.start_main_~x~4)), 86181#(and (<= 38 ULTIMATE.start_main_~x~4) (<= ULTIMATE.start_main_~x~4 38)), 86180#(and (<= ULTIMATE.start_main_~x~4 37) (<= 37 ULTIMATE.start_main_~x~4)), 86183#(and (<= ULTIMATE.start_main_~x~4 40) (<= 40 ULTIMATE.start_main_~x~4)), 86182#(and (<= ULTIMATE.start_main_~x~4 39) (<= 39 ULTIMATE.start_main_~x~4)), 86185#(and (<= ULTIMATE.start_main_~x~4 42) (<= 42 ULTIMATE.start_main_~x~4)), 86184#(and (<= ULTIMATE.start_main_~x~4 41) (<= 41 ULTIMATE.start_main_~x~4)), 86187#(and (<= 44 ULTIMATE.start_main_~x~4) (<= ULTIMATE.start_main_~x~4 44)), 86186#(and (<= ULTIMATE.start_main_~x~4 43) (<= 43 ULTIMATE.start_main_~x~4)), 86189#(and (<= ULTIMATE.start_main_~x~4 46) (<= 46 ULTIMATE.start_main_~x~4)), 86188#(and (<= 45 ULTIMATE.start_main_~x~4) (<= ULTIMATE.start_main_~x~4 45)), 86191#(and (<= 48 ULTIMATE.start_main_~x~4) (<= ULTIMATE.start_main_~x~4 48)), 86190#(and (<= 47 ULTIMATE.start_main_~x~4) (<= ULTIMATE.start_main_~x~4 47)), 86193#(and (<= ULTIMATE.start_main_~x~4 50) (<= 50 ULTIMATE.start_main_~x~4)), 86192#(and (<= 49 ULTIMATE.start_main_~x~4) (<= ULTIMATE.start_main_~x~4 49)), 86195#(and (<= ULTIMATE.start_main_~x~4 52) (<= 52 ULTIMATE.start_main_~x~4)), 86194#(and (<= 51 ULTIMATE.start_main_~x~4) (<= ULTIMATE.start_main_~x~4 51)), 86197#(and (<= ULTIMATE.start_main_~x~4 54) (<= 54 ULTIMATE.start_main_~x~4)), 86196#(and (<= 53 ULTIMATE.start_main_~x~4) (<= ULTIMATE.start_main_~x~4 53)), 86199#(and (<= 56 ULTIMATE.start_main_~x~4) (<= ULTIMATE.start_main_~x~4 56)), 86198#(and (<= 55 ULTIMATE.start_main_~x~4) (<= ULTIMATE.start_main_~x~4 55)), 86201#(and (<= 58 ULTIMATE.start_main_~x~4) (<= ULTIMATE.start_main_~x~4 58)), 86200#(and (<= 57 ULTIMATE.start_main_~x~4) (<= ULTIMATE.start_main_~x~4 57)), 86203#(and (<= 60 ULTIMATE.start_main_~x~4) (<= ULTIMATE.start_main_~x~4 60)), 86202#(and (<= ULTIMATE.start_main_~x~4 59) (<= 59 ULTIMATE.start_main_~x~4)), 86205#(and (<= ULTIMATE.start_main_~x~4 62) (<= 62 ULTIMATE.start_main_~x~4)), 86204#(and (<= 61 ULTIMATE.start_main_~x~4) (<= ULTIMATE.start_main_~x~4 61)), 86207#(and (<= ULTIMATE.start_main_~x~4 64) (<= 64 ULTIMATE.start_main_~x~4)), 86206#(and (<= 63 ULTIMATE.start_main_~x~4) (<= ULTIMATE.start_main_~x~4 63)), 86209#(and (<= 66 ULTIMATE.start_main_~x~4) (<= ULTIMATE.start_main_~x~4 66)), 86208#(and (<= 65 ULTIMATE.start_main_~x~4) (<= ULTIMATE.start_main_~x~4 65)), 86211#(and (<= ULTIMATE.start_main_~x~4 68) (<= 68 ULTIMATE.start_main_~x~4)), 86210#(and (<= 67 ULTIMATE.start_main_~x~4) (<= ULTIMATE.start_main_~x~4 67)), 86213#(and (<= ULTIMATE.start_main_~x~4 70) (<= 70 ULTIMATE.start_main_~x~4)), 86212#(and (<= 69 ULTIMATE.start_main_~x~4) (<= ULTIMATE.start_main_~x~4 69)), 86215#(and (<= 72 ULTIMATE.start_main_~x~4) (<= ULTIMATE.start_main_~x~4 72)), 86214#(and (<= 71 ULTIMATE.start_main_~x~4) (<= ULTIMATE.start_main_~x~4 71)), 86217#(and (<= 74 ULTIMATE.start_main_~x~4) (<= ULTIMATE.start_main_~x~4 74)), 86216#(and (<= ULTIMATE.start_main_~x~4 73) (<= 73 ULTIMATE.start_main_~x~4)), 86219#(and (<= ULTIMATE.start_main_~x~4 76) (<= 76 ULTIMATE.start_main_~x~4)), 86218#(and (<= ULTIMATE.start_main_~x~4 75) (<= 75 ULTIMATE.start_main_~x~4)), 86221#(and (<= ULTIMATE.start_main_~x~4 78) (<= 78 ULTIMATE.start_main_~x~4)), 86220#(and (<= ULTIMATE.start_main_~x~4 77) (<= 77 ULTIMATE.start_main_~x~4)), 86223#(and (<= ULTIMATE.start_main_~x~4 80) (<= 80 ULTIMATE.start_main_~x~4)), 86222#(and (<= 79 ULTIMATE.start_main_~x~4) (<= ULTIMATE.start_main_~x~4 79)), 86225#(and (<= ULTIMATE.start_main_~x~4 82) (<= 82 ULTIMATE.start_main_~x~4)), 86224#(and (<= ULTIMATE.start_main_~x~4 81) (<= 81 ULTIMATE.start_main_~x~4)), 86227#(and (<= ULTIMATE.start_main_~x~4 84) (<= 84 ULTIMATE.start_main_~x~4)), 86226#(and (<= 83 ULTIMATE.start_main_~x~4) (<= ULTIMATE.start_main_~x~4 83)), 86229#(and (<= 86 ULTIMATE.start_main_~x~4) (<= ULTIMATE.start_main_~x~4 86)), 86228#(and (<= 85 ULTIMATE.start_main_~x~4) (<= ULTIMATE.start_main_~x~4 85)), 86231#(and (<= 88 ULTIMATE.start_main_~x~4) (<= ULTIMATE.start_main_~x~4 88)), 86230#(and (<= ULTIMATE.start_main_~x~4 87) (<= 87 ULTIMATE.start_main_~x~4)), 86233#(and (<= ULTIMATE.start_main_~x~4 90) (<= 90 ULTIMATE.start_main_~x~4)), 86232#(and (<= ULTIMATE.start_main_~x~4 89) (<= 89 ULTIMATE.start_main_~x~4)), 86235#(and (<= ULTIMATE.start_main_~x~4 92) (<= 92 ULTIMATE.start_main_~x~4)), 86234#(and (<= ULTIMATE.start_main_~x~4 91) (<= 91 ULTIMATE.start_main_~x~4)), 86237#(and (<= ULTIMATE.start_main_~x~4 94) (<= 94 ULTIMATE.start_main_~x~4)), 86236#(and (<= ULTIMATE.start_main_~x~4 93) (<= 93 ULTIMATE.start_main_~x~4)), 86239#(and (<= ULTIMATE.start_main_~x~4 96) (<= 96 ULTIMATE.start_main_~x~4)), 86238#(and (<= 95 ULTIMATE.start_main_~x~4) (<= ULTIMATE.start_main_~x~4 95)), 86241#(and (<= ULTIMATE.start_main_~x~4 98) (<= 98 ULTIMATE.start_main_~x~4)), 86240#(and (<= 97 ULTIMATE.start_main_~x~4) (<= ULTIMATE.start_main_~x~4 97)), 86243#(and (<= ULTIMATE.start_main_~x~4 100) (<= 100 ULTIMATE.start_main_~x~4)), 86242#(and (<= 99 ULTIMATE.start_main_~x~4) (<= ULTIMATE.start_main_~x~4 99)), 86245#(and (<= 102 ULTIMATE.start_main_~x~4) (<= ULTIMATE.start_main_~x~4 102)), 86244#(and (<= ULTIMATE.start_main_~x~4 101) (<= 101 ULTIMATE.start_main_~x~4)), 86247#(and (<= ULTIMATE.start_main_~x~4 104) (<= 104 ULTIMATE.start_main_~x~4)), 86246#(and (<= 103 ULTIMATE.start_main_~x~4) (<= ULTIMATE.start_main_~x~4 103)), 86249#(and (<= 106 ULTIMATE.start_main_~x~4) (<= ULTIMATE.start_main_~x~4 106)), 86248#(and (<= 105 ULTIMATE.start_main_~x~4) (<= ULTIMATE.start_main_~x~4 105)), 86251#(and (<= 108 ULTIMATE.start_main_~x~4) (<= ULTIMATE.start_main_~x~4 108)), 86250#(and (<= 107 ULTIMATE.start_main_~x~4) (<= ULTIMATE.start_main_~x~4 107)), 86253#(and (<= 110 ULTIMATE.start_main_~x~4) (<= ULTIMATE.start_main_~x~4 110)), 86252#(and (<= ULTIMATE.start_main_~x~4 109) (<= 109 ULTIMATE.start_main_~x~4)), 86255#(and (<= ULTIMATE.start_main_~x~4 112) (<= 112 ULTIMATE.start_main_~x~4)), 86254#(and (<= ULTIMATE.start_main_~x~4 111) (<= 111 ULTIMATE.start_main_~x~4)), 86257#(and (<= ULTIMATE.start_main_~x~4 114) (<= 114 ULTIMATE.start_main_~x~4)), 86256#(and (<= 113 ULTIMATE.start_main_~x~4) (<= ULTIMATE.start_main_~x~4 113)), 86259#(and (<= ULTIMATE.start_main_~x~4 116) (<= 116 ULTIMATE.start_main_~x~4)), 86258#(and (<= ULTIMATE.start_main_~x~4 115) (<= 115 ULTIMATE.start_main_~x~4)), 86261#(and (<= 118 ULTIMATE.start_main_~x~4) (<= ULTIMATE.start_main_~x~4 118)), 86260#(and (<= ULTIMATE.start_main_~x~4 117) (<= 117 ULTIMATE.start_main_~x~4)), 86263#(and (<= 120 ULTIMATE.start_main_~x~4) (<= ULTIMATE.start_main_~x~4 120)), 86262#(and (<= 119 ULTIMATE.start_main_~x~4) (<= ULTIMATE.start_main_~x~4 119)), 86265#(and (<= 122 ULTIMATE.start_main_~x~4) (<= ULTIMATE.start_main_~x~4 122)), 86264#(and (<= 121 ULTIMATE.start_main_~x~4) (<= ULTIMATE.start_main_~x~4 121)), 86267#(and (<= ULTIMATE.start_main_~x~4 124) (<= 124 ULTIMATE.start_main_~x~4)), 86266#(and (<= ULTIMATE.start_main_~x~4 123) (<= 123 ULTIMATE.start_main_~x~4)), 86269#(and (<= 126 ULTIMATE.start_main_~x~4) (<= ULTIMATE.start_main_~x~4 126)), 86268#(and (<= 125 ULTIMATE.start_main_~x~4) (<= ULTIMATE.start_main_~x~4 125)), 86271#(and (<= 128 ULTIMATE.start_main_~x~4) (<= ULTIMATE.start_main_~x~4 128)), 86270#(and (<= ULTIMATE.start_main_~x~4 127) (<= 127 ULTIMATE.start_main_~x~4))] [2018-07-23 13:51:59,237 INFO L134 CoverageAnalysis]: Checked inductivity of 18360 backedges. 0 proven. 18360 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-07-23 13:51:59,237 INFO L450 AbstractCegarLoop]: Interpolant automaton has 138 states [2018-07-23 13:51:59,237 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 138 interpolants. [2018-07-23 13:51:59,238 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=273, Invalid=18633, Unknown=0, NotChecked=0, Total=18906 [2018-07-23 13:51:59,238 INFO L87 Difference]: Start difference. First operand 275 states and 275 transitions. Second operand 138 states. [2018-07-23 13:52:00,531 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-07-23 13:52:00,531 INFO L93 Difference]: Finished difference Result 279 states and 279 transitions. [2018-07-23 13:52:00,532 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 138 states. [2018-07-23 13:52:00,532 INFO L78 Accepts]: Start accepts. Automaton has 138 states. Word has length 274 [2018-07-23 13:52:00,532 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-07-23 13:52:00,532 INFO L225 Difference]: With dead ends: 279 [2018-07-23 13:52:00,533 INFO L226 Difference]: Without dead ends: 277 [2018-07-23 13:52:00,533 INFO L575 BasicCegarLoop]: 0 DeclaredPredicates, 137 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 136 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.7s TimeCoverageRelationStatistics Valid=273, Invalid=18633, Unknown=0, NotChecked=0, Total=18906 [2018-07-23 13:52:00,533 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 277 states. [2018-07-23 13:52:00,540 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 277 to 277. [2018-07-23 13:52:00,540 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 277 states. [2018-07-23 13:52:00,540 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 277 states to 277 states and 277 transitions. [2018-07-23 13:52:00,540 INFO L78 Accepts]: Start accepts. Automaton has 277 states and 277 transitions. Word has length 274 [2018-07-23 13:52:00,541 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-07-23 13:52:00,541 INFO L471 AbstractCegarLoop]: Abstraction has 277 states and 277 transitions. [2018-07-23 13:52:00,541 INFO L472 AbstractCegarLoop]: Interpolant automaton has 138 states. [2018-07-23 13:52:00,541 INFO L276 IsEmpty]: Start isEmpty. Operand 277 states and 277 transitions. [2018-07-23 13:52:00,541 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 277 [2018-07-23 13:52:00,542 INFO L349 BasicCegarLoop]: Found error trace [2018-07-23 13:52:00,542 INFO L357 BasicCegarLoop]: trace histogram [137, 136, 1, 1, 1] [2018-07-23 13:52:00,542 INFO L414 AbstractCegarLoop]: === Iteration 137 === [ULTIMATE.startErr0AssertViolationASSERT]=== [2018-07-23 13:52:00,542 INFO L82 PathProgramCache]: Analyzing trace with hash 1442092183, now seen corresponding path program 136 times [2018-07-23 13:52:00,542 INFO L69 tionRefinementEngine]: Using refinement strategy FixedRefinementStrategy [2018-07-23 13:52:00,790 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-07-23 13:52:01,764 INFO L134 CoverageAnalysis]: Checked inductivity of 18632 backedges. 0 proven. 18632 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-07-23 13:52:01,764 INFO L309 seRefinementStrategy]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2018-07-23 13:52:01,764 INFO L324 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [138] total 138 [2018-07-23 13:52:01,764 INFO L142 lantAutomatonBuilder]: Constructing canonical interpolant automaton, with selfloop in false state [2018-07-23 13:52:01,765 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-07-23 13:52:01,765 INFO L185 omatonBuilderFactory]: Interpolants [87391#true, 87393#(and (<= ULTIMATE.start_main_~x~4 0) (<= 0 ULTIMATE.start_main_~x~4)), 87392#false, 87395#(and (<= 2 ULTIMATE.start_main_~x~4) (<= ULTIMATE.start_main_~x~4 2)), 87394#(and (<= ULTIMATE.start_main_~x~4 1) (<= 1 ULTIMATE.start_main_~x~4)), 87397#(and (<= ULTIMATE.start_main_~x~4 4) (<= 4 ULTIMATE.start_main_~x~4)), 87396#(and (<= 3 ULTIMATE.start_main_~x~4) (<= ULTIMATE.start_main_~x~4 3)), 87399#(and (<= 6 ULTIMATE.start_main_~x~4) (<= ULTIMATE.start_main_~x~4 6)), 87398#(and (<= ULTIMATE.start_main_~x~4 5) (<= 5 ULTIMATE.start_main_~x~4)), 87401#(and (<= ULTIMATE.start_main_~x~4 8) (<= 8 ULTIMATE.start_main_~x~4)), 87400#(and (<= ULTIMATE.start_main_~x~4 7) (<= 7 ULTIMATE.start_main_~x~4)), 87403#(and (<= ULTIMATE.start_main_~x~4 10) (<= 10 ULTIMATE.start_main_~x~4)), 87402#(and (<= 9 ULTIMATE.start_main_~x~4) (<= ULTIMATE.start_main_~x~4 9)), 87405#(and (<= 12 ULTIMATE.start_main_~x~4) (<= ULTIMATE.start_main_~x~4 12)), 87404#(and (<= ULTIMATE.start_main_~x~4 11) (<= 11 ULTIMATE.start_main_~x~4)), 87407#(and (<= 14 ULTIMATE.start_main_~x~4) (<= ULTIMATE.start_main_~x~4 14)), 87406#(and (<= ULTIMATE.start_main_~x~4 13) (<= 13 ULTIMATE.start_main_~x~4)), 87409#(and (<= ULTIMATE.start_main_~x~4 16) (<= 16 ULTIMATE.start_main_~x~4)), 87408#(and (<= 15 ULTIMATE.start_main_~x~4) (<= ULTIMATE.start_main_~x~4 15)), 87411#(and (<= 18 ULTIMATE.start_main_~x~4) (<= ULTIMATE.start_main_~x~4 18)), 87410#(and (<= ULTIMATE.start_main_~x~4 17) (<= 17 ULTIMATE.start_main_~x~4)), 87413#(and (<= 20 ULTIMATE.start_main_~x~4) (<= ULTIMATE.start_main_~x~4 20)), 87412#(and (<= 19 ULTIMATE.start_main_~x~4) (<= ULTIMATE.start_main_~x~4 19)), 87415#(and (<= ULTIMATE.start_main_~x~4 22) (<= 22 ULTIMATE.start_main_~x~4)), 87414#(and (<= ULTIMATE.start_main_~x~4 21) (<= 21 ULTIMATE.start_main_~x~4)), 87417#(and (<= ULTIMATE.start_main_~x~4 24) (<= 24 ULTIMATE.start_main_~x~4)), 87416#(and (<= ULTIMATE.start_main_~x~4 23) (<= 23 ULTIMATE.start_main_~x~4)), 87419#(and (<= ULTIMATE.start_main_~x~4 26) (<= 26 ULTIMATE.start_main_~x~4)), 87418#(and (<= ULTIMATE.start_main_~x~4 25) (<= 25 ULTIMATE.start_main_~x~4)), 87421#(and (<= ULTIMATE.start_main_~x~4 28) (<= 28 ULTIMATE.start_main_~x~4)), 87420#(and (<= ULTIMATE.start_main_~x~4 27) (<= 27 ULTIMATE.start_main_~x~4)), 87423#(and (<= ULTIMATE.start_main_~x~4 30) (<= 30 ULTIMATE.start_main_~x~4)), 87422#(and (<= 29 ULTIMATE.start_main_~x~4) (<= ULTIMATE.start_main_~x~4 29)), 87425#(and (<= ULTIMATE.start_main_~x~4 32) (<= 32 ULTIMATE.start_main_~x~4)), 87424#(and (<= ULTIMATE.start_main_~x~4 31) (<= 31 ULTIMATE.start_main_~x~4)), 87427#(and (<= 34 ULTIMATE.start_main_~x~4) (<= ULTIMATE.start_main_~x~4 34)), 87426#(and (<= ULTIMATE.start_main_~x~4 33) (<= 33 ULTIMATE.start_main_~x~4)), 87429#(and (<= 36 ULTIMATE.start_main_~x~4) (<= ULTIMATE.start_main_~x~4 36)), 87428#(and (<= ULTIMATE.start_main_~x~4 35) (<= 35 ULTIMATE.start_main_~x~4)), 87431#(and (<= 38 ULTIMATE.start_main_~x~4) (<= ULTIMATE.start_main_~x~4 38)), 87430#(and (<= ULTIMATE.start_main_~x~4 37) (<= 37 ULTIMATE.start_main_~x~4)), 87433#(and (<= ULTIMATE.start_main_~x~4 40) (<= 40 ULTIMATE.start_main_~x~4)), 87432#(and (<= ULTIMATE.start_main_~x~4 39) (<= 39 ULTIMATE.start_main_~x~4)), 87435#(and (<= ULTIMATE.start_main_~x~4 42) (<= 42 ULTIMATE.start_main_~x~4)), 87434#(and (<= ULTIMATE.start_main_~x~4 41) (<= 41 ULTIMATE.start_main_~x~4)), 87437#(and (<= 44 ULTIMATE.start_main_~x~4) (<= ULTIMATE.start_main_~x~4 44)), 87436#(and (<= ULTIMATE.start_main_~x~4 43) (<= 43 ULTIMATE.start_main_~x~4)), 87439#(and (<= ULTIMATE.start_main_~x~4 46) (<= 46 ULTIMATE.start_main_~x~4)), 87438#(and (<= 45 ULTIMATE.start_main_~x~4) (<= ULTIMATE.start_main_~x~4 45)), 87441#(and (<= 48 ULTIMATE.start_main_~x~4) (<= ULTIMATE.start_main_~x~4 48)), 87440#(and (<= 47 ULTIMATE.start_main_~x~4) (<= ULTIMATE.start_main_~x~4 47)), 87443#(and (<= ULTIMATE.start_main_~x~4 50) (<= 50 ULTIMATE.start_main_~x~4)), 87442#(and (<= 49 ULTIMATE.start_main_~x~4) (<= ULTIMATE.start_main_~x~4 49)), 87445#(and (<= ULTIMATE.start_main_~x~4 52) (<= 52 ULTIMATE.start_main_~x~4)), 87444#(and (<= 51 ULTIMATE.start_main_~x~4) (<= ULTIMATE.start_main_~x~4 51)), 87447#(and (<= ULTIMATE.start_main_~x~4 54) (<= 54 ULTIMATE.start_main_~x~4)), 87446#(and (<= 53 ULTIMATE.start_main_~x~4) (<= ULTIMATE.start_main_~x~4 53)), 87449#(and (<= 56 ULTIMATE.start_main_~x~4) (<= ULTIMATE.start_main_~x~4 56)), 87448#(and (<= 55 ULTIMATE.start_main_~x~4) (<= ULTIMATE.start_main_~x~4 55)), 87451#(and (<= 58 ULTIMATE.start_main_~x~4) (<= ULTIMATE.start_main_~x~4 58)), 87450#(and (<= 57 ULTIMATE.start_main_~x~4) (<= ULTIMATE.start_main_~x~4 57)), 87453#(and (<= 60 ULTIMATE.start_main_~x~4) (<= ULTIMATE.start_main_~x~4 60)), 87452#(and (<= ULTIMATE.start_main_~x~4 59) (<= 59 ULTIMATE.start_main_~x~4)), 87455#(and (<= ULTIMATE.start_main_~x~4 62) (<= 62 ULTIMATE.start_main_~x~4)), 87454#(and (<= 61 ULTIMATE.start_main_~x~4) (<= ULTIMATE.start_main_~x~4 61)), 87457#(and (<= ULTIMATE.start_main_~x~4 64) (<= 64 ULTIMATE.start_main_~x~4)), 87456#(and (<= 63 ULTIMATE.start_main_~x~4) (<= ULTIMATE.start_main_~x~4 63)), 87459#(and (<= 66 ULTIMATE.start_main_~x~4) (<= ULTIMATE.start_main_~x~4 66)), 87458#(and (<= 65 ULTIMATE.start_main_~x~4) (<= ULTIMATE.start_main_~x~4 65)), 87461#(and (<= ULTIMATE.start_main_~x~4 68) (<= 68 ULTIMATE.start_main_~x~4)), 87460#(and (<= 67 ULTIMATE.start_main_~x~4) (<= ULTIMATE.start_main_~x~4 67)), 87463#(and (<= ULTIMATE.start_main_~x~4 70) (<= 70 ULTIMATE.start_main_~x~4)), 87462#(and (<= 69 ULTIMATE.start_main_~x~4) (<= ULTIMATE.start_main_~x~4 69)), 87465#(and (<= 72 ULTIMATE.start_main_~x~4) (<= ULTIMATE.start_main_~x~4 72)), 87464#(and (<= 71 ULTIMATE.start_main_~x~4) (<= ULTIMATE.start_main_~x~4 71)), 87467#(and (<= 74 ULTIMATE.start_main_~x~4) (<= ULTIMATE.start_main_~x~4 74)), 87466#(and (<= ULTIMATE.start_main_~x~4 73) (<= 73 ULTIMATE.start_main_~x~4)), 87469#(and (<= ULTIMATE.start_main_~x~4 76) (<= 76 ULTIMATE.start_main_~x~4)), 87468#(and (<= ULTIMATE.start_main_~x~4 75) (<= 75 ULTIMATE.start_main_~x~4)), 87471#(and (<= ULTIMATE.start_main_~x~4 78) (<= 78 ULTIMATE.start_main_~x~4)), 87470#(and (<= ULTIMATE.start_main_~x~4 77) (<= 77 ULTIMATE.start_main_~x~4)), 87473#(and (<= ULTIMATE.start_main_~x~4 80) (<= 80 ULTIMATE.start_main_~x~4)), 87472#(and (<= 79 ULTIMATE.start_main_~x~4) (<= ULTIMATE.start_main_~x~4 79)), 87475#(and (<= ULTIMATE.start_main_~x~4 82) (<= 82 ULTIMATE.start_main_~x~4)), 87474#(and (<= ULTIMATE.start_main_~x~4 81) (<= 81 ULTIMATE.start_main_~x~4)), 87477#(and (<= ULTIMATE.start_main_~x~4 84) (<= 84 ULTIMATE.start_main_~x~4)), 87476#(and (<= 83 ULTIMATE.start_main_~x~4) (<= ULTIMATE.start_main_~x~4 83)), 87479#(and (<= 86 ULTIMATE.start_main_~x~4) (<= ULTIMATE.start_main_~x~4 86)), 87478#(and (<= 85 ULTIMATE.start_main_~x~4) (<= ULTIMATE.start_main_~x~4 85)), 87481#(and (<= 88 ULTIMATE.start_main_~x~4) (<= ULTIMATE.start_main_~x~4 88)), 87480#(and (<= ULTIMATE.start_main_~x~4 87) (<= 87 ULTIMATE.start_main_~x~4)), 87483#(and (<= ULTIMATE.start_main_~x~4 90) (<= 90 ULTIMATE.start_main_~x~4)), 87482#(and (<= ULTIMATE.start_main_~x~4 89) (<= 89 ULTIMATE.start_main_~x~4)), 87485#(and (<= ULTIMATE.start_main_~x~4 92) (<= 92 ULTIMATE.start_main_~x~4)), 87484#(and (<= ULTIMATE.start_main_~x~4 91) (<= 91 ULTIMATE.start_main_~x~4)), 87487#(and (<= ULTIMATE.start_main_~x~4 94) (<= 94 ULTIMATE.start_main_~x~4)), 87486#(and (<= ULTIMATE.start_main_~x~4 93) (<= 93 ULTIMATE.start_main_~x~4)), 87489#(and (<= ULTIMATE.start_main_~x~4 96) (<= 96 ULTIMATE.start_main_~x~4)), 87488#(and (<= 95 ULTIMATE.start_main_~x~4) (<= ULTIMATE.start_main_~x~4 95)), 87491#(and (<= ULTIMATE.start_main_~x~4 98) (<= 98 ULTIMATE.start_main_~x~4)), 87490#(and (<= 97 ULTIMATE.start_main_~x~4) (<= ULTIMATE.start_main_~x~4 97)), 87493#(and (<= ULTIMATE.start_main_~x~4 100) (<= 100 ULTIMATE.start_main_~x~4)), 87492#(and (<= 99 ULTIMATE.start_main_~x~4) (<= ULTIMATE.start_main_~x~4 99)), 87495#(and (<= 102 ULTIMATE.start_main_~x~4) (<= ULTIMATE.start_main_~x~4 102)), 87494#(and (<= ULTIMATE.start_main_~x~4 101) (<= 101 ULTIMATE.start_main_~x~4)), 87497#(and (<= ULTIMATE.start_main_~x~4 104) (<= 104 ULTIMATE.start_main_~x~4)), 87496#(and (<= 103 ULTIMATE.start_main_~x~4) (<= ULTIMATE.start_main_~x~4 103)), 87499#(and (<= 106 ULTIMATE.start_main_~x~4) (<= ULTIMATE.start_main_~x~4 106)), 87498#(and (<= 105 ULTIMATE.start_main_~x~4) (<= ULTIMATE.start_main_~x~4 105)), 87501#(and (<= 108 ULTIMATE.start_main_~x~4) (<= ULTIMATE.start_main_~x~4 108)), 87500#(and (<= 107 ULTIMATE.start_main_~x~4) (<= ULTIMATE.start_main_~x~4 107)), 87503#(and (<= 110 ULTIMATE.start_main_~x~4) (<= ULTIMATE.start_main_~x~4 110)), 87502#(and (<= ULTIMATE.start_main_~x~4 109) (<= 109 ULTIMATE.start_main_~x~4)), 87505#(and (<= ULTIMATE.start_main_~x~4 112) (<= 112 ULTIMATE.start_main_~x~4)), 87504#(and (<= ULTIMATE.start_main_~x~4 111) (<= 111 ULTIMATE.start_main_~x~4)), 87507#(and (<= ULTIMATE.start_main_~x~4 114) (<= 114 ULTIMATE.start_main_~x~4)), 87506#(and (<= 113 ULTIMATE.start_main_~x~4) (<= ULTIMATE.start_main_~x~4 113)), 87509#(and (<= ULTIMATE.start_main_~x~4 116) (<= 116 ULTIMATE.start_main_~x~4)), 87508#(and (<= ULTIMATE.start_main_~x~4 115) (<= 115 ULTIMATE.start_main_~x~4)), 87511#(and (<= 118 ULTIMATE.start_main_~x~4) (<= ULTIMATE.start_main_~x~4 118)), 87510#(and (<= ULTIMATE.start_main_~x~4 117) (<= 117 ULTIMATE.start_main_~x~4)), 87513#(and (<= 120 ULTIMATE.start_main_~x~4) (<= ULTIMATE.start_main_~x~4 120)), 87512#(and (<= 119 ULTIMATE.start_main_~x~4) (<= ULTIMATE.start_main_~x~4 119)), 87515#(and (<= 122 ULTIMATE.start_main_~x~4) (<= ULTIMATE.start_main_~x~4 122)), 87514#(and (<= 121 ULTIMATE.start_main_~x~4) (<= ULTIMATE.start_main_~x~4 121)), 87517#(and (<= ULTIMATE.start_main_~x~4 124) (<= 124 ULTIMATE.start_main_~x~4)), 87516#(and (<= ULTIMATE.start_main_~x~4 123) (<= 123 ULTIMATE.start_main_~x~4)), 87519#(and (<= 126 ULTIMATE.start_main_~x~4) (<= ULTIMATE.start_main_~x~4 126)), 87518#(and (<= 125 ULTIMATE.start_main_~x~4) (<= ULTIMATE.start_main_~x~4 125)), 87521#(and (<= 128 ULTIMATE.start_main_~x~4) (<= ULTIMATE.start_main_~x~4 128)), 87520#(and (<= ULTIMATE.start_main_~x~4 127) (<= 127 ULTIMATE.start_main_~x~4)), 87523#(and (<= ULTIMATE.start_main_~x~4 130) (<= 130 ULTIMATE.start_main_~x~4)), 87522#(and (<= 129 ULTIMATE.start_main_~x~4) (<= ULTIMATE.start_main_~x~4 129)), 87525#(and (<= 132 ULTIMATE.start_main_~x~4) (<= ULTIMATE.start_main_~x~4 132)), 87524#(and (<= 131 ULTIMATE.start_main_~x~4) (<= ULTIMATE.start_main_~x~4 131)), 87527#(and (<= 134 ULTIMATE.start_main_~x~4) (<= ULTIMATE.start_main_~x~4 134)), 87526#(and (<= ULTIMATE.start_main_~x~4 133) (<= 133 ULTIMATE.start_main_~x~4)), 87529#(and (<= ULTIMATE.start_main_~x~4 136) (<= 136 ULTIMATE.start_main_~x~4)), 87528#(and (<= 135 ULTIMATE.start_main_~x~4) (<= ULTIMATE.start_main_~x~4 135))] [2018-07-23 13:52:01,766 INFO L134 CoverageAnalysis]: Checked inductivity of 18632 backedges. 0 proven. 18632 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-07-23 13:52:01,766 INFO L450 AbstractCegarLoop]: Interpolant automaton has 139 states [2018-07-23 13:52:01,766 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 139 interpolants. [2018-07-23 13:52:01,767 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=275, Invalid=18907, Unknown=0, NotChecked=0, Total=19182 [2018-07-23 13:52:01,767 INFO L87 Difference]: Start difference. First operand 277 states and 277 transitions. Second operand 139 states. [2018-07-23 13:52:03,117 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-07-23 13:52:03,118 INFO L93 Difference]: Finished difference Result 281 states and 281 transitions. [2018-07-23 13:52:03,118 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 139 states. [2018-07-23 13:52:03,118 INFO L78 Accepts]: Start accepts. Automaton has 139 states. Word has length 276 [2018-07-23 13:52:03,118 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-07-23 13:52:03,119 INFO L225 Difference]: With dead ends: 281 [2018-07-23 13:52:03,119 INFO L226 Difference]: Without dead ends: 279 [2018-07-23 13:52:03,120 INFO L575 BasicCegarLoop]: 0 DeclaredPredicates, 138 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 137 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.7s TimeCoverageRelationStatistics Valid=275, Invalid=18907, Unknown=0, NotChecked=0, Total=19182 [2018-07-23 13:52:03,121 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 279 states. [2018-07-23 13:52:03,127 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 279 to 279. [2018-07-23 13:52:03,128 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 279 states. [2018-07-23 13:52:03,128 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 279 states to 279 states and 279 transitions. [2018-07-23 13:52:03,128 INFO L78 Accepts]: Start accepts. Automaton has 279 states and 279 transitions. Word has length 276 [2018-07-23 13:52:03,128 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-07-23 13:52:03,128 INFO L471 AbstractCegarLoop]: Abstraction has 279 states and 279 transitions. [2018-07-23 13:52:03,128 INFO L472 AbstractCegarLoop]: Interpolant automaton has 139 states. [2018-07-23 13:52:03,129 INFO L276 IsEmpty]: Start isEmpty. Operand 279 states and 279 transitions. [2018-07-23 13:52:03,129 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 279 [2018-07-23 13:52:03,129 INFO L349 BasicCegarLoop]: Found error trace [2018-07-23 13:52:03,129 INFO L357 BasicCegarLoop]: trace histogram [138, 137, 1, 1, 1] [2018-07-23 13:52:03,130 INFO L414 AbstractCegarLoop]: === Iteration 138 === [ULTIMATE.startErr0AssertViolationASSERT]=== [2018-07-23 13:52:03,130 INFO L82 PathProgramCache]: Analyzing trace with hash -1423796655, now seen corresponding path program 137 times [2018-07-23 13:52:03,130 INFO L69 tionRefinementEngine]: Using refinement strategy FixedRefinementStrategy [2018-07-23 13:52:03,378 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-07-23 13:52:04,370 INFO L134 CoverageAnalysis]: Checked inductivity of 18906 backedges. 0 proven. 18906 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-07-23 13:52:04,370 INFO L309 seRefinementStrategy]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2018-07-23 13:52:04,370 INFO L324 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [139] total 139 [2018-07-23 13:52:04,370 INFO L142 lantAutomatonBuilder]: Constructing canonical interpolant automaton, with selfloop in false state [2018-07-23 13:52:04,371 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-07-23 13:52:04,371 INFO L185 omatonBuilderFactory]: Interpolants [88651#false, 88650#true, 88653#(and (<= ULTIMATE.start_main_~x~4 1) (<= 1 ULTIMATE.start_main_~x~4)), 88652#(and (<= ULTIMATE.start_main_~x~4 0) (<= 0 ULTIMATE.start_main_~x~4)), 88655#(and (<= 3 ULTIMATE.start_main_~x~4) (<= ULTIMATE.start_main_~x~4 3)), 88654#(and (<= 2 ULTIMATE.start_main_~x~4) (<= ULTIMATE.start_main_~x~4 2)), 88657#(and (<= ULTIMATE.start_main_~x~4 5) (<= 5 ULTIMATE.start_main_~x~4)), 88656#(and (<= ULTIMATE.start_main_~x~4 4) (<= 4 ULTIMATE.start_main_~x~4)), 88659#(and (<= ULTIMATE.start_main_~x~4 7) (<= 7 ULTIMATE.start_main_~x~4)), 88658#(and (<= 6 ULTIMATE.start_main_~x~4) (<= ULTIMATE.start_main_~x~4 6)), 88661#(and (<= 9 ULTIMATE.start_main_~x~4) (<= ULTIMATE.start_main_~x~4 9)), 88660#(and (<= ULTIMATE.start_main_~x~4 8) (<= 8 ULTIMATE.start_main_~x~4)), 88663#(and (<= ULTIMATE.start_main_~x~4 11) (<= 11 ULTIMATE.start_main_~x~4)), 88662#(and (<= ULTIMATE.start_main_~x~4 10) (<= 10 ULTIMATE.start_main_~x~4)), 88665#(and (<= ULTIMATE.start_main_~x~4 13) (<= 13 ULTIMATE.start_main_~x~4)), 88664#(and (<= 12 ULTIMATE.start_main_~x~4) (<= ULTIMATE.start_main_~x~4 12)), 88667#(and (<= 15 ULTIMATE.start_main_~x~4) (<= ULTIMATE.start_main_~x~4 15)), 88666#(and (<= 14 ULTIMATE.start_main_~x~4) (<= ULTIMATE.start_main_~x~4 14)), 88669#(and (<= ULTIMATE.start_main_~x~4 17) (<= 17 ULTIMATE.start_main_~x~4)), 88668#(and (<= ULTIMATE.start_main_~x~4 16) (<= 16 ULTIMATE.start_main_~x~4)), 88671#(and (<= 19 ULTIMATE.start_main_~x~4) (<= ULTIMATE.start_main_~x~4 19)), 88670#(and (<= 18 ULTIMATE.start_main_~x~4) (<= ULTIMATE.start_main_~x~4 18)), 88673#(and (<= ULTIMATE.start_main_~x~4 21) (<= 21 ULTIMATE.start_main_~x~4)), 88672#(and (<= 20 ULTIMATE.start_main_~x~4) (<= ULTIMATE.start_main_~x~4 20)), 88675#(and (<= ULTIMATE.start_main_~x~4 23) (<= 23 ULTIMATE.start_main_~x~4)), 88674#(and (<= ULTIMATE.start_main_~x~4 22) (<= 22 ULTIMATE.start_main_~x~4)), 88677#(and (<= ULTIMATE.start_main_~x~4 25) (<= 25 ULTIMATE.start_main_~x~4)), 88676#(and (<= ULTIMATE.start_main_~x~4 24) (<= 24 ULTIMATE.start_main_~x~4)), 88679#(and (<= ULTIMATE.start_main_~x~4 27) (<= 27 ULTIMATE.start_main_~x~4)), 88678#(and (<= ULTIMATE.start_main_~x~4 26) (<= 26 ULTIMATE.start_main_~x~4)), 88681#(and (<= 29 ULTIMATE.start_main_~x~4) (<= ULTIMATE.start_main_~x~4 29)), 88680#(and (<= ULTIMATE.start_main_~x~4 28) (<= 28 ULTIMATE.start_main_~x~4)), 88683#(and (<= ULTIMATE.start_main_~x~4 31) (<= 31 ULTIMATE.start_main_~x~4)), 88682#(and (<= ULTIMATE.start_main_~x~4 30) (<= 30 ULTIMATE.start_main_~x~4)), 88685#(and (<= ULTIMATE.start_main_~x~4 33) (<= 33 ULTIMATE.start_main_~x~4)), 88684#(and (<= ULTIMATE.start_main_~x~4 32) (<= 32 ULTIMATE.start_main_~x~4)), 88687#(and (<= ULTIMATE.start_main_~x~4 35) (<= 35 ULTIMATE.start_main_~x~4)), 88686#(and (<= 34 ULTIMATE.start_main_~x~4) (<= ULTIMATE.start_main_~x~4 34)), 88689#(and (<= ULTIMATE.start_main_~x~4 37) (<= 37 ULTIMATE.start_main_~x~4)), 88688#(and (<= 36 ULTIMATE.start_main_~x~4) (<= ULTIMATE.start_main_~x~4 36)), 88691#(and (<= ULTIMATE.start_main_~x~4 39) (<= 39 ULTIMATE.start_main_~x~4)), 88690#(and (<= 38 ULTIMATE.start_main_~x~4) (<= ULTIMATE.start_main_~x~4 38)), 88693#(and (<= ULTIMATE.start_main_~x~4 41) (<= 41 ULTIMATE.start_main_~x~4)), 88692#(and (<= ULTIMATE.start_main_~x~4 40) (<= 40 ULTIMATE.start_main_~x~4)), 88695#(and (<= ULTIMATE.start_main_~x~4 43) (<= 43 ULTIMATE.start_main_~x~4)), 88694#(and (<= ULTIMATE.start_main_~x~4 42) (<= 42 ULTIMATE.start_main_~x~4)), 88697#(and (<= 45 ULTIMATE.start_main_~x~4) (<= ULTIMATE.start_main_~x~4 45)), 88696#(and (<= 44 ULTIMATE.start_main_~x~4) (<= ULTIMATE.start_main_~x~4 44)), 88699#(and (<= 47 ULTIMATE.start_main_~x~4) (<= ULTIMATE.start_main_~x~4 47)), 88698#(and (<= ULTIMATE.start_main_~x~4 46) (<= 46 ULTIMATE.start_main_~x~4)), 88701#(and (<= 49 ULTIMATE.start_main_~x~4) (<= ULTIMATE.start_main_~x~4 49)), 88700#(and (<= 48 ULTIMATE.start_main_~x~4) (<= ULTIMATE.start_main_~x~4 48)), 88703#(and (<= 51 ULTIMATE.start_main_~x~4) (<= ULTIMATE.start_main_~x~4 51)), 88702#(and (<= ULTIMATE.start_main_~x~4 50) (<= 50 ULTIMATE.start_main_~x~4)), 88705#(and (<= 53 ULTIMATE.start_main_~x~4) (<= ULTIMATE.start_main_~x~4 53)), 88704#(and (<= ULTIMATE.start_main_~x~4 52) (<= 52 ULTIMATE.start_main_~x~4)), 88707#(and (<= 55 ULTIMATE.start_main_~x~4) (<= ULTIMATE.start_main_~x~4 55)), 88706#(and (<= ULTIMATE.start_main_~x~4 54) (<= 54 ULTIMATE.start_main_~x~4)), 88709#(and (<= 57 ULTIMATE.start_main_~x~4) (<= ULTIMATE.start_main_~x~4 57)), 88708#(and (<= 56 ULTIMATE.start_main_~x~4) (<= ULTIMATE.start_main_~x~4 56)), 88711#(and (<= ULTIMATE.start_main_~x~4 59) (<= 59 ULTIMATE.start_main_~x~4)), 88710#(and (<= 58 ULTIMATE.start_main_~x~4) (<= ULTIMATE.start_main_~x~4 58)), 88713#(and (<= 61 ULTIMATE.start_main_~x~4) (<= ULTIMATE.start_main_~x~4 61)), 88712#(and (<= 60 ULTIMATE.start_main_~x~4) (<= ULTIMATE.start_main_~x~4 60)), 88715#(and (<= 63 ULTIMATE.start_main_~x~4) (<= ULTIMATE.start_main_~x~4 63)), 88714#(and (<= ULTIMATE.start_main_~x~4 62) (<= 62 ULTIMATE.start_main_~x~4)), 88717#(and (<= 65 ULTIMATE.start_main_~x~4) (<= ULTIMATE.start_main_~x~4 65)), 88716#(and (<= ULTIMATE.start_main_~x~4 64) (<= 64 ULTIMATE.start_main_~x~4)), 88719#(and (<= 67 ULTIMATE.start_main_~x~4) (<= ULTIMATE.start_main_~x~4 67)), 88718#(and (<= 66 ULTIMATE.start_main_~x~4) (<= ULTIMATE.start_main_~x~4 66)), 88721#(and (<= 69 ULTIMATE.start_main_~x~4) (<= ULTIMATE.start_main_~x~4 69)), 88720#(and (<= ULTIMATE.start_main_~x~4 68) (<= 68 ULTIMATE.start_main_~x~4)), 88723#(and (<= 71 ULTIMATE.start_main_~x~4) (<= ULTIMATE.start_main_~x~4 71)), 88722#(and (<= ULTIMATE.start_main_~x~4 70) (<= 70 ULTIMATE.start_main_~x~4)), 88725#(and (<= ULTIMATE.start_main_~x~4 73) (<= 73 ULTIMATE.start_main_~x~4)), 88724#(and (<= 72 ULTIMATE.start_main_~x~4) (<= ULTIMATE.start_main_~x~4 72)), 88727#(and (<= ULTIMATE.start_main_~x~4 75) (<= 75 ULTIMATE.start_main_~x~4)), 88726#(and (<= 74 ULTIMATE.start_main_~x~4) (<= ULTIMATE.start_main_~x~4 74)), 88729#(and (<= ULTIMATE.start_main_~x~4 77) (<= 77 ULTIMATE.start_main_~x~4)), 88728#(and (<= ULTIMATE.start_main_~x~4 76) (<= 76 ULTIMATE.start_main_~x~4)), 88731#(and (<= 79 ULTIMATE.start_main_~x~4) (<= ULTIMATE.start_main_~x~4 79)), 88730#(and (<= ULTIMATE.start_main_~x~4 78) (<= 78 ULTIMATE.start_main_~x~4)), 88733#(and (<= ULTIMATE.start_main_~x~4 81) (<= 81 ULTIMATE.start_main_~x~4)), 88732#(and (<= ULTIMATE.start_main_~x~4 80) (<= 80 ULTIMATE.start_main_~x~4)), 88735#(and (<= 83 ULTIMATE.start_main_~x~4) (<= ULTIMATE.start_main_~x~4 83)), 88734#(and (<= ULTIMATE.start_main_~x~4 82) (<= 82 ULTIMATE.start_main_~x~4)), 88737#(and (<= 85 ULTIMATE.start_main_~x~4) (<= ULTIMATE.start_main_~x~4 85)), 88736#(and (<= ULTIMATE.start_main_~x~4 84) (<= 84 ULTIMATE.start_main_~x~4)), 88739#(and (<= ULTIMATE.start_main_~x~4 87) (<= 87 ULTIMATE.start_main_~x~4)), 88738#(and (<= 86 ULTIMATE.start_main_~x~4) (<= ULTIMATE.start_main_~x~4 86)), 88741#(and (<= ULTIMATE.start_main_~x~4 89) (<= 89 ULTIMATE.start_main_~x~4)), 88740#(and (<= 88 ULTIMATE.start_main_~x~4) (<= ULTIMATE.start_main_~x~4 88)), 88743#(and (<= ULTIMATE.start_main_~x~4 91) (<= 91 ULTIMATE.start_main_~x~4)), 88742#(and (<= ULTIMATE.start_main_~x~4 90) (<= 90 ULTIMATE.start_main_~x~4)), 88745#(and (<= ULTIMATE.start_main_~x~4 93) (<= 93 ULTIMATE.start_main_~x~4)), 88744#(and (<= ULTIMATE.start_main_~x~4 92) (<= 92 ULTIMATE.start_main_~x~4)), 88747#(and (<= 95 ULTIMATE.start_main_~x~4) (<= ULTIMATE.start_main_~x~4 95)), 88746#(and (<= ULTIMATE.start_main_~x~4 94) (<= 94 ULTIMATE.start_main_~x~4)), 88749#(and (<= 97 ULTIMATE.start_main_~x~4) (<= ULTIMATE.start_main_~x~4 97)), 88748#(and (<= ULTIMATE.start_main_~x~4 96) (<= 96 ULTIMATE.start_main_~x~4)), 88751#(and (<= 99 ULTIMATE.start_main_~x~4) (<= ULTIMATE.start_main_~x~4 99)), 88750#(and (<= ULTIMATE.start_main_~x~4 98) (<= 98 ULTIMATE.start_main_~x~4)), 88753#(and (<= ULTIMATE.start_main_~x~4 101) (<= 101 ULTIMATE.start_main_~x~4)), 88752#(and (<= ULTIMATE.start_main_~x~4 100) (<= 100 ULTIMATE.start_main_~x~4)), 88755#(and (<= 103 ULTIMATE.start_main_~x~4) (<= ULTIMATE.start_main_~x~4 103)), 88754#(and (<= 102 ULTIMATE.start_main_~x~4) (<= ULTIMATE.start_main_~x~4 102)), 88757#(and (<= 105 ULTIMATE.start_main_~x~4) (<= ULTIMATE.start_main_~x~4 105)), 88756#(and (<= ULTIMATE.start_main_~x~4 104) (<= 104 ULTIMATE.start_main_~x~4)), 88759#(and (<= 107 ULTIMATE.start_main_~x~4) (<= ULTIMATE.start_main_~x~4 107)), 88758#(and (<= 106 ULTIMATE.start_main_~x~4) (<= ULTIMATE.start_main_~x~4 106)), 88761#(and (<= ULTIMATE.start_main_~x~4 109) (<= 109 ULTIMATE.start_main_~x~4)), 88760#(and (<= 108 ULTIMATE.start_main_~x~4) (<= ULTIMATE.start_main_~x~4 108)), 88763#(and (<= ULTIMATE.start_main_~x~4 111) (<= 111 ULTIMATE.start_main_~x~4)), 88762#(and (<= 110 ULTIMATE.start_main_~x~4) (<= ULTIMATE.start_main_~x~4 110)), 88765#(and (<= 113 ULTIMATE.start_main_~x~4) (<= ULTIMATE.start_main_~x~4 113)), 88764#(and (<= ULTIMATE.start_main_~x~4 112) (<= 112 ULTIMATE.start_main_~x~4)), 88767#(and (<= ULTIMATE.start_main_~x~4 115) (<= 115 ULTIMATE.start_main_~x~4)), 88766#(and (<= ULTIMATE.start_main_~x~4 114) (<= 114 ULTIMATE.start_main_~x~4)), 88769#(and (<= ULTIMATE.start_main_~x~4 117) (<= 117 ULTIMATE.start_main_~x~4)), 88768#(and (<= ULTIMATE.start_main_~x~4 116) (<= 116 ULTIMATE.start_main_~x~4)), 88771#(and (<= 119 ULTIMATE.start_main_~x~4) (<= ULTIMATE.start_main_~x~4 119)), 88770#(and (<= 118 ULTIMATE.start_main_~x~4) (<= ULTIMATE.start_main_~x~4 118)), 88773#(and (<= 121 ULTIMATE.start_main_~x~4) (<= ULTIMATE.start_main_~x~4 121)), 88772#(and (<= 120 ULTIMATE.start_main_~x~4) (<= ULTIMATE.start_main_~x~4 120)), 88775#(and (<= ULTIMATE.start_main_~x~4 123) (<= 123 ULTIMATE.start_main_~x~4)), 88774#(and (<= 122 ULTIMATE.start_main_~x~4) (<= ULTIMATE.start_main_~x~4 122)), 88777#(and (<= 125 ULTIMATE.start_main_~x~4) (<= ULTIMATE.start_main_~x~4 125)), 88776#(and (<= ULTIMATE.start_main_~x~4 124) (<= 124 ULTIMATE.start_main_~x~4)), 88779#(and (<= ULTIMATE.start_main_~x~4 127) (<= 127 ULTIMATE.start_main_~x~4)), 88778#(and (<= 126 ULTIMATE.start_main_~x~4) (<= ULTIMATE.start_main_~x~4 126)), 88781#(and (<= 129 ULTIMATE.start_main_~x~4) (<= ULTIMATE.start_main_~x~4 129)), 88780#(and (<= 128 ULTIMATE.start_main_~x~4) (<= ULTIMATE.start_main_~x~4 128)), 88783#(and (<= 131 ULTIMATE.start_main_~x~4) (<= ULTIMATE.start_main_~x~4 131)), 88782#(and (<= ULTIMATE.start_main_~x~4 130) (<= 130 ULTIMATE.start_main_~x~4)), 88785#(and (<= ULTIMATE.start_main_~x~4 133) (<= 133 ULTIMATE.start_main_~x~4)), 88784#(and (<= 132 ULTIMATE.start_main_~x~4) (<= ULTIMATE.start_main_~x~4 132)), 88787#(and (<= 135 ULTIMATE.start_main_~x~4) (<= ULTIMATE.start_main_~x~4 135)), 88786#(and (<= 134 ULTIMATE.start_main_~x~4) (<= ULTIMATE.start_main_~x~4 134)), 88789#(and (<= 137 ULTIMATE.start_main_~x~4) (<= ULTIMATE.start_main_~x~4 137)), 88788#(and (<= ULTIMATE.start_main_~x~4 136) (<= 136 ULTIMATE.start_main_~x~4))] [2018-07-23 13:52:04,372 INFO L134 CoverageAnalysis]: Checked inductivity of 18906 backedges. 0 proven. 18906 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-07-23 13:52:04,372 INFO L450 AbstractCegarLoop]: Interpolant automaton has 140 states [2018-07-23 13:52:04,372 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 140 interpolants. [2018-07-23 13:52:04,374 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=277, Invalid=19183, Unknown=0, NotChecked=0, Total=19460 [2018-07-23 13:52:04,374 INFO L87 Difference]: Start difference. First operand 279 states and 279 transitions. Second operand 140 states. [2018-07-23 13:52:05,730 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-07-23 13:52:05,730 INFO L93 Difference]: Finished difference Result 283 states and 283 transitions. [2018-07-23 13:52:05,730 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 140 states. [2018-07-23 13:52:05,731 INFO L78 Accepts]: Start accepts. Automaton has 140 states. Word has length 278 [2018-07-23 13:52:05,731 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-07-23 13:52:05,731 INFO L225 Difference]: With dead ends: 283 [2018-07-23 13:52:05,731 INFO L226 Difference]: Without dead ends: 281 [2018-07-23 13:52:05,733 INFO L575 BasicCegarLoop]: 0 DeclaredPredicates, 139 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 138 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.7s TimeCoverageRelationStatistics Valid=277, Invalid=19183, Unknown=0, NotChecked=0, Total=19460 [2018-07-23 13:52:05,733 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 281 states. [2018-07-23 13:52:05,740 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 281 to 281. [2018-07-23 13:52:05,740 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 281 states. [2018-07-23 13:52:05,740 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 281 states to 281 states and 281 transitions. [2018-07-23 13:52:05,740 INFO L78 Accepts]: Start accepts. Automaton has 281 states and 281 transitions. Word has length 278 [2018-07-23 13:52:05,741 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-07-23 13:52:05,741 INFO L471 AbstractCegarLoop]: Abstraction has 281 states and 281 transitions. [2018-07-23 13:52:05,741 INFO L472 AbstractCegarLoop]: Interpolant automaton has 140 states. [2018-07-23 13:52:05,741 INFO L276 IsEmpty]: Start isEmpty. Operand 281 states and 281 transitions. [2018-07-23 13:52:05,741 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 281 [2018-07-23 13:52:05,742 INFO L349 BasicCegarLoop]: Found error trace [2018-07-23 13:52:05,742 INFO L357 BasicCegarLoop]: trace histogram [139, 138, 1, 1, 1] [2018-07-23 13:52:05,742 INFO L414 AbstractCegarLoop]: === Iteration 139 === [ULTIMATE.startErr0AssertViolationASSERT]=== [2018-07-23 13:52:05,742 INFO L82 PathProgramCache]: Analyzing trace with hash 1826034059, now seen corresponding path program 138 times [2018-07-23 13:52:05,742 INFO L69 tionRefinementEngine]: Using refinement strategy FixedRefinementStrategy [2018-07-23 13:52:05,992 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-07-23 13:52:07,004 INFO L134 CoverageAnalysis]: Checked inductivity of 19182 backedges. 0 proven. 19182 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-07-23 13:52:07,004 INFO L309 seRefinementStrategy]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2018-07-23 13:52:07,004 INFO L324 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [140] total 140 [2018-07-23 13:52:07,004 INFO L142 lantAutomatonBuilder]: Constructing canonical interpolant automaton, with selfloop in false state [2018-07-23 13:52:07,005 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-07-23 13:52:07,005 INFO L185 omatonBuilderFactory]: Interpolants [89919#false, 89918#true, 89921#(and (<= ULTIMATE.start_main_~x~4 1) (<= 1 ULTIMATE.start_main_~x~4)), 89920#(and (<= ULTIMATE.start_main_~x~4 0) (<= 0 ULTIMATE.start_main_~x~4)), 89923#(and (<= 3 ULTIMATE.start_main_~x~4) (<= ULTIMATE.start_main_~x~4 3)), 89922#(and (<= 2 ULTIMATE.start_main_~x~4) (<= ULTIMATE.start_main_~x~4 2)), 89925#(and (<= ULTIMATE.start_main_~x~4 5) (<= 5 ULTIMATE.start_main_~x~4)), 89924#(and (<= ULTIMATE.start_main_~x~4 4) (<= 4 ULTIMATE.start_main_~x~4)), 89927#(and (<= ULTIMATE.start_main_~x~4 7) (<= 7 ULTIMATE.start_main_~x~4)), 89926#(and (<= 6 ULTIMATE.start_main_~x~4) (<= ULTIMATE.start_main_~x~4 6)), 89929#(and (<= 9 ULTIMATE.start_main_~x~4) (<= ULTIMATE.start_main_~x~4 9)), 89928#(and (<= ULTIMATE.start_main_~x~4 8) (<= 8 ULTIMATE.start_main_~x~4)), 89931#(and (<= ULTIMATE.start_main_~x~4 11) (<= 11 ULTIMATE.start_main_~x~4)), 89930#(and (<= ULTIMATE.start_main_~x~4 10) (<= 10 ULTIMATE.start_main_~x~4)), 89933#(and (<= ULTIMATE.start_main_~x~4 13) (<= 13 ULTIMATE.start_main_~x~4)), 89932#(and (<= 12 ULTIMATE.start_main_~x~4) (<= ULTIMATE.start_main_~x~4 12)), 89935#(and (<= 15 ULTIMATE.start_main_~x~4) (<= ULTIMATE.start_main_~x~4 15)), 89934#(and (<= 14 ULTIMATE.start_main_~x~4) (<= ULTIMATE.start_main_~x~4 14)), 89937#(and (<= ULTIMATE.start_main_~x~4 17) (<= 17 ULTIMATE.start_main_~x~4)), 89936#(and (<= ULTIMATE.start_main_~x~4 16) (<= 16 ULTIMATE.start_main_~x~4)), 89939#(and (<= 19 ULTIMATE.start_main_~x~4) (<= ULTIMATE.start_main_~x~4 19)), 89938#(and (<= 18 ULTIMATE.start_main_~x~4) (<= ULTIMATE.start_main_~x~4 18)), 89941#(and (<= ULTIMATE.start_main_~x~4 21) (<= 21 ULTIMATE.start_main_~x~4)), 89940#(and (<= 20 ULTIMATE.start_main_~x~4) (<= ULTIMATE.start_main_~x~4 20)), 89943#(and (<= ULTIMATE.start_main_~x~4 23) (<= 23 ULTIMATE.start_main_~x~4)), 89942#(and (<= ULTIMATE.start_main_~x~4 22) (<= 22 ULTIMATE.start_main_~x~4)), 89945#(and (<= ULTIMATE.start_main_~x~4 25) (<= 25 ULTIMATE.start_main_~x~4)), 89944#(and (<= ULTIMATE.start_main_~x~4 24) (<= 24 ULTIMATE.start_main_~x~4)), 89947#(and (<= ULTIMATE.start_main_~x~4 27) (<= 27 ULTIMATE.start_main_~x~4)), 89946#(and (<= ULTIMATE.start_main_~x~4 26) (<= 26 ULTIMATE.start_main_~x~4)), 89949#(and (<= 29 ULTIMATE.start_main_~x~4) (<= ULTIMATE.start_main_~x~4 29)), 89948#(and (<= ULTIMATE.start_main_~x~4 28) (<= 28 ULTIMATE.start_main_~x~4)), 89951#(and (<= ULTIMATE.start_main_~x~4 31) (<= 31 ULTIMATE.start_main_~x~4)), 89950#(and (<= ULTIMATE.start_main_~x~4 30) (<= 30 ULTIMATE.start_main_~x~4)), 89953#(and (<= ULTIMATE.start_main_~x~4 33) (<= 33 ULTIMATE.start_main_~x~4)), 89952#(and (<= ULTIMATE.start_main_~x~4 32) (<= 32 ULTIMATE.start_main_~x~4)), 89955#(and (<= ULTIMATE.start_main_~x~4 35) (<= 35 ULTIMATE.start_main_~x~4)), 89954#(and (<= 34 ULTIMATE.start_main_~x~4) (<= ULTIMATE.start_main_~x~4 34)), 89957#(and (<= ULTIMATE.start_main_~x~4 37) (<= 37 ULTIMATE.start_main_~x~4)), 89956#(and (<= 36 ULTIMATE.start_main_~x~4) (<= ULTIMATE.start_main_~x~4 36)), 89959#(and (<= ULTIMATE.start_main_~x~4 39) (<= 39 ULTIMATE.start_main_~x~4)), 89958#(and (<= 38 ULTIMATE.start_main_~x~4) (<= ULTIMATE.start_main_~x~4 38)), 89961#(and (<= ULTIMATE.start_main_~x~4 41) (<= 41 ULTIMATE.start_main_~x~4)), 89960#(and (<= ULTIMATE.start_main_~x~4 40) (<= 40 ULTIMATE.start_main_~x~4)), 89963#(and (<= ULTIMATE.start_main_~x~4 43) (<= 43 ULTIMATE.start_main_~x~4)), 89962#(and (<= ULTIMATE.start_main_~x~4 42) (<= 42 ULTIMATE.start_main_~x~4)), 89965#(and (<= 45 ULTIMATE.start_main_~x~4) (<= ULTIMATE.start_main_~x~4 45)), 89964#(and (<= 44 ULTIMATE.start_main_~x~4) (<= ULTIMATE.start_main_~x~4 44)), 89967#(and (<= 47 ULTIMATE.start_main_~x~4) (<= ULTIMATE.start_main_~x~4 47)), 89966#(and (<= ULTIMATE.start_main_~x~4 46) (<= 46 ULTIMATE.start_main_~x~4)), 89969#(and (<= 49 ULTIMATE.start_main_~x~4) (<= ULTIMATE.start_main_~x~4 49)), 89968#(and (<= 48 ULTIMATE.start_main_~x~4) (<= ULTIMATE.start_main_~x~4 48)), 89971#(and (<= 51 ULTIMATE.start_main_~x~4) (<= ULTIMATE.start_main_~x~4 51)), 89970#(and (<= ULTIMATE.start_main_~x~4 50) (<= 50 ULTIMATE.start_main_~x~4)), 89973#(and (<= 53 ULTIMATE.start_main_~x~4) (<= ULTIMATE.start_main_~x~4 53)), 89972#(and (<= ULTIMATE.start_main_~x~4 52) (<= 52 ULTIMATE.start_main_~x~4)), 89975#(and (<= 55 ULTIMATE.start_main_~x~4) (<= ULTIMATE.start_main_~x~4 55)), 89974#(and (<= ULTIMATE.start_main_~x~4 54) (<= 54 ULTIMATE.start_main_~x~4)), 89977#(and (<= 57 ULTIMATE.start_main_~x~4) (<= ULTIMATE.start_main_~x~4 57)), 89976#(and (<= 56 ULTIMATE.start_main_~x~4) (<= ULTIMATE.start_main_~x~4 56)), 89979#(and (<= ULTIMATE.start_main_~x~4 59) (<= 59 ULTIMATE.start_main_~x~4)), 89978#(and (<= 58 ULTIMATE.start_main_~x~4) (<= ULTIMATE.start_main_~x~4 58)), 89981#(and (<= 61 ULTIMATE.start_main_~x~4) (<= ULTIMATE.start_main_~x~4 61)), 89980#(and (<= 60 ULTIMATE.start_main_~x~4) (<= ULTIMATE.start_main_~x~4 60)), 89983#(and (<= 63 ULTIMATE.start_main_~x~4) (<= ULTIMATE.start_main_~x~4 63)), 89982#(and (<= ULTIMATE.start_main_~x~4 62) (<= 62 ULTIMATE.start_main_~x~4)), 89985#(and (<= 65 ULTIMATE.start_main_~x~4) (<= ULTIMATE.start_main_~x~4 65)), 89984#(and (<= ULTIMATE.start_main_~x~4 64) (<= 64 ULTIMATE.start_main_~x~4)), 89987#(and (<= 67 ULTIMATE.start_main_~x~4) (<= ULTIMATE.start_main_~x~4 67)), 89986#(and (<= 66 ULTIMATE.start_main_~x~4) (<= ULTIMATE.start_main_~x~4 66)), 89989#(and (<= 69 ULTIMATE.start_main_~x~4) (<= ULTIMATE.start_main_~x~4 69)), 89988#(and (<= ULTIMATE.start_main_~x~4 68) (<= 68 ULTIMATE.start_main_~x~4)), 89991#(and (<= 71 ULTIMATE.start_main_~x~4) (<= ULTIMATE.start_main_~x~4 71)), 89990#(and (<= ULTIMATE.start_main_~x~4 70) (<= 70 ULTIMATE.start_main_~x~4)), 89993#(and (<= ULTIMATE.start_main_~x~4 73) (<= 73 ULTIMATE.start_main_~x~4)), 89992#(and (<= 72 ULTIMATE.start_main_~x~4) (<= ULTIMATE.start_main_~x~4 72)), 89995#(and (<= ULTIMATE.start_main_~x~4 75) (<= 75 ULTIMATE.start_main_~x~4)), 89994#(and (<= 74 ULTIMATE.start_main_~x~4) (<= ULTIMATE.start_main_~x~4 74)), 89997#(and (<= ULTIMATE.start_main_~x~4 77) (<= 77 ULTIMATE.start_main_~x~4)), 89996#(and (<= ULTIMATE.start_main_~x~4 76) (<= 76 ULTIMATE.start_main_~x~4)), 89999#(and (<= 79 ULTIMATE.start_main_~x~4) (<= ULTIMATE.start_main_~x~4 79)), 89998#(and (<= ULTIMATE.start_main_~x~4 78) (<= 78 ULTIMATE.start_main_~x~4)), 90001#(and (<= ULTIMATE.start_main_~x~4 81) (<= 81 ULTIMATE.start_main_~x~4)), 90000#(and (<= ULTIMATE.start_main_~x~4 80) (<= 80 ULTIMATE.start_main_~x~4)), 90003#(and (<= 83 ULTIMATE.start_main_~x~4) (<= ULTIMATE.start_main_~x~4 83)), 90002#(and (<= ULTIMATE.start_main_~x~4 82) (<= 82 ULTIMATE.start_main_~x~4)), 90005#(and (<= 85 ULTIMATE.start_main_~x~4) (<= ULTIMATE.start_main_~x~4 85)), 90004#(and (<= ULTIMATE.start_main_~x~4 84) (<= 84 ULTIMATE.start_main_~x~4)), 90007#(and (<= ULTIMATE.start_main_~x~4 87) (<= 87 ULTIMATE.start_main_~x~4)), 90006#(and (<= 86 ULTIMATE.start_main_~x~4) (<= ULTIMATE.start_main_~x~4 86)), 90009#(and (<= ULTIMATE.start_main_~x~4 89) (<= 89 ULTIMATE.start_main_~x~4)), 90008#(and (<= 88 ULTIMATE.start_main_~x~4) (<= ULTIMATE.start_main_~x~4 88)), 90011#(and (<= ULTIMATE.start_main_~x~4 91) (<= 91 ULTIMATE.start_main_~x~4)), 90010#(and (<= ULTIMATE.start_main_~x~4 90) (<= 90 ULTIMATE.start_main_~x~4)), 90013#(and (<= ULTIMATE.start_main_~x~4 93) (<= 93 ULTIMATE.start_main_~x~4)), 90012#(and (<= ULTIMATE.start_main_~x~4 92) (<= 92 ULTIMATE.start_main_~x~4)), 90015#(and (<= 95 ULTIMATE.start_main_~x~4) (<= ULTIMATE.start_main_~x~4 95)), 90014#(and (<= ULTIMATE.start_main_~x~4 94) (<= 94 ULTIMATE.start_main_~x~4)), 90017#(and (<= 97 ULTIMATE.start_main_~x~4) (<= ULTIMATE.start_main_~x~4 97)), 90016#(and (<= ULTIMATE.start_main_~x~4 96) (<= 96 ULTIMATE.start_main_~x~4)), 90019#(and (<= 99 ULTIMATE.start_main_~x~4) (<= ULTIMATE.start_main_~x~4 99)), 90018#(and (<= ULTIMATE.start_main_~x~4 98) (<= 98 ULTIMATE.start_main_~x~4)), 90021#(and (<= ULTIMATE.start_main_~x~4 101) (<= 101 ULTIMATE.start_main_~x~4)), 90020#(and (<= ULTIMATE.start_main_~x~4 100) (<= 100 ULTIMATE.start_main_~x~4)), 90023#(and (<= 103 ULTIMATE.start_main_~x~4) (<= ULTIMATE.start_main_~x~4 103)), 90022#(and (<= 102 ULTIMATE.start_main_~x~4) (<= ULTIMATE.start_main_~x~4 102)), 90025#(and (<= 105 ULTIMATE.start_main_~x~4) (<= ULTIMATE.start_main_~x~4 105)), 90024#(and (<= ULTIMATE.start_main_~x~4 104) (<= 104 ULTIMATE.start_main_~x~4)), 90027#(and (<= 107 ULTIMATE.start_main_~x~4) (<= ULTIMATE.start_main_~x~4 107)), 90026#(and (<= 106 ULTIMATE.start_main_~x~4) (<= ULTIMATE.start_main_~x~4 106)), 90029#(and (<= ULTIMATE.start_main_~x~4 109) (<= 109 ULTIMATE.start_main_~x~4)), 90028#(and (<= 108 ULTIMATE.start_main_~x~4) (<= ULTIMATE.start_main_~x~4 108)), 90031#(and (<= ULTIMATE.start_main_~x~4 111) (<= 111 ULTIMATE.start_main_~x~4)), 90030#(and (<= 110 ULTIMATE.start_main_~x~4) (<= ULTIMATE.start_main_~x~4 110)), 90033#(and (<= 113 ULTIMATE.start_main_~x~4) (<= ULTIMATE.start_main_~x~4 113)), 90032#(and (<= ULTIMATE.start_main_~x~4 112) (<= 112 ULTIMATE.start_main_~x~4)), 90035#(and (<= ULTIMATE.start_main_~x~4 115) (<= 115 ULTIMATE.start_main_~x~4)), 90034#(and (<= ULTIMATE.start_main_~x~4 114) (<= 114 ULTIMATE.start_main_~x~4)), 90037#(and (<= ULTIMATE.start_main_~x~4 117) (<= 117 ULTIMATE.start_main_~x~4)), 90036#(and (<= ULTIMATE.start_main_~x~4 116) (<= 116 ULTIMATE.start_main_~x~4)), 90039#(and (<= 119 ULTIMATE.start_main_~x~4) (<= ULTIMATE.start_main_~x~4 119)), 90038#(and (<= 118 ULTIMATE.start_main_~x~4) (<= ULTIMATE.start_main_~x~4 118)), 90041#(and (<= 121 ULTIMATE.start_main_~x~4) (<= ULTIMATE.start_main_~x~4 121)), 90040#(and (<= 120 ULTIMATE.start_main_~x~4) (<= ULTIMATE.start_main_~x~4 120)), 90043#(and (<= ULTIMATE.start_main_~x~4 123) (<= 123 ULTIMATE.start_main_~x~4)), 90042#(and (<= 122 ULTIMATE.start_main_~x~4) (<= ULTIMATE.start_main_~x~4 122)), 90045#(and (<= 125 ULTIMATE.start_main_~x~4) (<= ULTIMATE.start_main_~x~4 125)), 90044#(and (<= ULTIMATE.start_main_~x~4 124) (<= 124 ULTIMATE.start_main_~x~4)), 90047#(and (<= ULTIMATE.start_main_~x~4 127) (<= 127 ULTIMATE.start_main_~x~4)), 90046#(and (<= 126 ULTIMATE.start_main_~x~4) (<= ULTIMATE.start_main_~x~4 126)), 90049#(and (<= 129 ULTIMATE.start_main_~x~4) (<= ULTIMATE.start_main_~x~4 129)), 90048#(and (<= 128 ULTIMATE.start_main_~x~4) (<= ULTIMATE.start_main_~x~4 128)), 90051#(and (<= 131 ULTIMATE.start_main_~x~4) (<= ULTIMATE.start_main_~x~4 131)), 90050#(and (<= ULTIMATE.start_main_~x~4 130) (<= 130 ULTIMATE.start_main_~x~4)), 90053#(and (<= ULTIMATE.start_main_~x~4 133) (<= 133 ULTIMATE.start_main_~x~4)), 90052#(and (<= 132 ULTIMATE.start_main_~x~4) (<= ULTIMATE.start_main_~x~4 132)), 90055#(and (<= 135 ULTIMATE.start_main_~x~4) (<= ULTIMATE.start_main_~x~4 135)), 90054#(and (<= 134 ULTIMATE.start_main_~x~4) (<= ULTIMATE.start_main_~x~4 134)), 90057#(and (<= 137 ULTIMATE.start_main_~x~4) (<= ULTIMATE.start_main_~x~4 137)), 90056#(and (<= ULTIMATE.start_main_~x~4 136) (<= 136 ULTIMATE.start_main_~x~4)), 90058#(and (<= 138 ULTIMATE.start_main_~x~4) (<= ULTIMATE.start_main_~x~4 138))] [2018-07-23 13:52:07,006 INFO L134 CoverageAnalysis]: Checked inductivity of 19182 backedges. 0 proven. 19182 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-07-23 13:52:07,006 INFO L450 AbstractCegarLoop]: Interpolant automaton has 141 states [2018-07-23 13:52:07,006 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 141 interpolants. [2018-07-23 13:52:07,007 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=279, Invalid=19461, Unknown=0, NotChecked=0, Total=19740 [2018-07-23 13:52:07,007 INFO L87 Difference]: Start difference. First operand 281 states and 281 transitions. Second operand 141 states. [2018-07-23 13:52:08,387 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-07-23 13:52:08,387 INFO L93 Difference]: Finished difference Result 285 states and 285 transitions. [2018-07-23 13:52:08,387 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 141 states. [2018-07-23 13:52:08,387 INFO L78 Accepts]: Start accepts. Automaton has 141 states. Word has length 280 [2018-07-23 13:52:08,387 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-07-23 13:52:08,388 INFO L225 Difference]: With dead ends: 285 [2018-07-23 13:52:08,388 INFO L226 Difference]: Without dead ends: 283 [2018-07-23 13:52:08,389 INFO L575 BasicCegarLoop]: 0 DeclaredPredicates, 140 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 139 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.7s TimeCoverageRelationStatistics Valid=279, Invalid=19461, Unknown=0, NotChecked=0, Total=19740 [2018-07-23 13:52:08,389 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 283 states. [2018-07-23 13:52:08,395 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 283 to 283. [2018-07-23 13:52:08,395 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 283 states. [2018-07-23 13:52:08,396 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 283 states to 283 states and 283 transitions. [2018-07-23 13:52:08,396 INFO L78 Accepts]: Start accepts. Automaton has 283 states and 283 transitions. Word has length 280 [2018-07-23 13:52:08,396 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-07-23 13:52:08,396 INFO L471 AbstractCegarLoop]: Abstraction has 283 states and 283 transitions. [2018-07-23 13:52:08,396 INFO L472 AbstractCegarLoop]: Interpolant automaton has 141 states. [2018-07-23 13:52:08,396 INFO L276 IsEmpty]: Start isEmpty. Operand 283 states and 283 transitions. [2018-07-23 13:52:08,397 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 283 [2018-07-23 13:52:08,397 INFO L349 BasicCegarLoop]: Found error trace [2018-07-23 13:52:08,397 INFO L357 BasicCegarLoop]: trace histogram [140, 139, 1, 1, 1] [2018-07-23 13:52:08,397 INFO L414 AbstractCegarLoop]: === Iteration 140 === [ULTIMATE.startErr0AssertViolationASSERT]=== [2018-07-23 13:52:08,397 INFO L82 PathProgramCache]: Analyzing trace with hash -1822841275, now seen corresponding path program 139 times [2018-07-23 13:52:08,397 INFO L69 tionRefinementEngine]: Using refinement strategy FixedRefinementStrategy [2018-07-23 13:52:08,698 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-07-23 13:52:09,722 INFO L134 CoverageAnalysis]: Checked inductivity of 19460 backedges. 0 proven. 19460 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-07-23 13:52:09,723 INFO L309 seRefinementStrategy]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2018-07-23 13:52:09,723 INFO L324 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [141] total 141 [2018-07-23 13:52:09,723 INFO L142 lantAutomatonBuilder]: Constructing canonical interpolant automaton, with selfloop in false state [2018-07-23 13:52:09,723 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-07-23 13:52:09,724 INFO L185 omatonBuilderFactory]: Interpolants [91195#true, 91197#(and (<= ULTIMATE.start_main_~x~4 0) (<= 0 ULTIMATE.start_main_~x~4)), 91196#false, 91199#(and (<= 2 ULTIMATE.start_main_~x~4) (<= ULTIMATE.start_main_~x~4 2)), 91198#(and (<= ULTIMATE.start_main_~x~4 1) (<= 1 ULTIMATE.start_main_~x~4)), 91201#(and (<= ULTIMATE.start_main_~x~4 4) (<= 4 ULTIMATE.start_main_~x~4)), 91200#(and (<= 3 ULTIMATE.start_main_~x~4) (<= ULTIMATE.start_main_~x~4 3)), 91203#(and (<= 6 ULTIMATE.start_main_~x~4) (<= ULTIMATE.start_main_~x~4 6)), 91202#(and (<= ULTIMATE.start_main_~x~4 5) (<= 5 ULTIMATE.start_main_~x~4)), 91205#(and (<= ULTIMATE.start_main_~x~4 8) (<= 8 ULTIMATE.start_main_~x~4)), 91204#(and (<= ULTIMATE.start_main_~x~4 7) (<= 7 ULTIMATE.start_main_~x~4)), 91207#(and (<= ULTIMATE.start_main_~x~4 10) (<= 10 ULTIMATE.start_main_~x~4)), 91206#(and (<= 9 ULTIMATE.start_main_~x~4) (<= ULTIMATE.start_main_~x~4 9)), 91209#(and (<= 12 ULTIMATE.start_main_~x~4) (<= ULTIMATE.start_main_~x~4 12)), 91208#(and (<= ULTIMATE.start_main_~x~4 11) (<= 11 ULTIMATE.start_main_~x~4)), 91211#(and (<= 14 ULTIMATE.start_main_~x~4) (<= ULTIMATE.start_main_~x~4 14)), 91210#(and (<= ULTIMATE.start_main_~x~4 13) (<= 13 ULTIMATE.start_main_~x~4)), 91213#(and (<= ULTIMATE.start_main_~x~4 16) (<= 16 ULTIMATE.start_main_~x~4)), 91212#(and (<= 15 ULTIMATE.start_main_~x~4) (<= ULTIMATE.start_main_~x~4 15)), 91215#(and (<= 18 ULTIMATE.start_main_~x~4) (<= ULTIMATE.start_main_~x~4 18)), 91214#(and (<= ULTIMATE.start_main_~x~4 17) (<= 17 ULTIMATE.start_main_~x~4)), 91217#(and (<= 20 ULTIMATE.start_main_~x~4) (<= ULTIMATE.start_main_~x~4 20)), 91216#(and (<= 19 ULTIMATE.start_main_~x~4) (<= ULTIMATE.start_main_~x~4 19)), 91219#(and (<= ULTIMATE.start_main_~x~4 22) (<= 22 ULTIMATE.start_main_~x~4)), 91218#(and (<= ULTIMATE.start_main_~x~4 21) (<= 21 ULTIMATE.start_main_~x~4)), 91221#(and (<= ULTIMATE.start_main_~x~4 24) (<= 24 ULTIMATE.start_main_~x~4)), 91220#(and (<= ULTIMATE.start_main_~x~4 23) (<= 23 ULTIMATE.start_main_~x~4)), 91223#(and (<= ULTIMATE.start_main_~x~4 26) (<= 26 ULTIMATE.start_main_~x~4)), 91222#(and (<= ULTIMATE.start_main_~x~4 25) (<= 25 ULTIMATE.start_main_~x~4)), 91225#(and (<= ULTIMATE.start_main_~x~4 28) (<= 28 ULTIMATE.start_main_~x~4)), 91224#(and (<= ULTIMATE.start_main_~x~4 27) (<= 27 ULTIMATE.start_main_~x~4)), 91227#(and (<= ULTIMATE.start_main_~x~4 30) (<= 30 ULTIMATE.start_main_~x~4)), 91226#(and (<= 29 ULTIMATE.start_main_~x~4) (<= ULTIMATE.start_main_~x~4 29)), 91229#(and (<= ULTIMATE.start_main_~x~4 32) (<= 32 ULTIMATE.start_main_~x~4)), 91228#(and (<= ULTIMATE.start_main_~x~4 31) (<= 31 ULTIMATE.start_main_~x~4)), 91231#(and (<= 34 ULTIMATE.start_main_~x~4) (<= ULTIMATE.start_main_~x~4 34)), 91230#(and (<= ULTIMATE.start_main_~x~4 33) (<= 33 ULTIMATE.start_main_~x~4)), 91233#(and (<= 36 ULTIMATE.start_main_~x~4) (<= ULTIMATE.start_main_~x~4 36)), 91232#(and (<= ULTIMATE.start_main_~x~4 35) (<= 35 ULTIMATE.start_main_~x~4)), 91235#(and (<= 38 ULTIMATE.start_main_~x~4) (<= ULTIMATE.start_main_~x~4 38)), 91234#(and (<= ULTIMATE.start_main_~x~4 37) (<= 37 ULTIMATE.start_main_~x~4)), 91237#(and (<= ULTIMATE.start_main_~x~4 40) (<= 40 ULTIMATE.start_main_~x~4)), 91236#(and (<= ULTIMATE.start_main_~x~4 39) (<= 39 ULTIMATE.start_main_~x~4)), 91239#(and (<= ULTIMATE.start_main_~x~4 42) (<= 42 ULTIMATE.start_main_~x~4)), 91238#(and (<= ULTIMATE.start_main_~x~4 41) (<= 41 ULTIMATE.start_main_~x~4)), 91241#(and (<= 44 ULTIMATE.start_main_~x~4) (<= ULTIMATE.start_main_~x~4 44)), 91240#(and (<= ULTIMATE.start_main_~x~4 43) (<= 43 ULTIMATE.start_main_~x~4)), 91243#(and (<= ULTIMATE.start_main_~x~4 46) (<= 46 ULTIMATE.start_main_~x~4)), 91242#(and (<= 45 ULTIMATE.start_main_~x~4) (<= ULTIMATE.start_main_~x~4 45)), 91245#(and (<= 48 ULTIMATE.start_main_~x~4) (<= ULTIMATE.start_main_~x~4 48)), 91244#(and (<= 47 ULTIMATE.start_main_~x~4) (<= ULTIMATE.start_main_~x~4 47)), 91247#(and (<= ULTIMATE.start_main_~x~4 50) (<= 50 ULTIMATE.start_main_~x~4)), 91246#(and (<= 49 ULTIMATE.start_main_~x~4) (<= ULTIMATE.start_main_~x~4 49)), 91249#(and (<= ULTIMATE.start_main_~x~4 52) (<= 52 ULTIMATE.start_main_~x~4)), 91248#(and (<= 51 ULTIMATE.start_main_~x~4) (<= ULTIMATE.start_main_~x~4 51)), 91251#(and (<= ULTIMATE.start_main_~x~4 54) (<= 54 ULTIMATE.start_main_~x~4)), 91250#(and (<= 53 ULTIMATE.start_main_~x~4) (<= ULTIMATE.start_main_~x~4 53)), 91253#(and (<= 56 ULTIMATE.start_main_~x~4) (<= ULTIMATE.start_main_~x~4 56)), 91252#(and (<= 55 ULTIMATE.start_main_~x~4) (<= ULTIMATE.start_main_~x~4 55)), 91255#(and (<= 58 ULTIMATE.start_main_~x~4) (<= ULTIMATE.start_main_~x~4 58)), 91254#(and (<= 57 ULTIMATE.start_main_~x~4) (<= ULTIMATE.start_main_~x~4 57)), 91257#(and (<= 60 ULTIMATE.start_main_~x~4) (<= ULTIMATE.start_main_~x~4 60)), 91256#(and (<= ULTIMATE.start_main_~x~4 59) (<= 59 ULTIMATE.start_main_~x~4)), 91259#(and (<= ULTIMATE.start_main_~x~4 62) (<= 62 ULTIMATE.start_main_~x~4)), 91258#(and (<= 61 ULTIMATE.start_main_~x~4) (<= ULTIMATE.start_main_~x~4 61)), 91261#(and (<= ULTIMATE.start_main_~x~4 64) (<= 64 ULTIMATE.start_main_~x~4)), 91260#(and (<= 63 ULTIMATE.start_main_~x~4) (<= ULTIMATE.start_main_~x~4 63)), 91263#(and (<= 66 ULTIMATE.start_main_~x~4) (<= ULTIMATE.start_main_~x~4 66)), 91262#(and (<= 65 ULTIMATE.start_main_~x~4) (<= ULTIMATE.start_main_~x~4 65)), 91265#(and (<= ULTIMATE.start_main_~x~4 68) (<= 68 ULTIMATE.start_main_~x~4)), 91264#(and (<= 67 ULTIMATE.start_main_~x~4) (<= ULTIMATE.start_main_~x~4 67)), 91267#(and (<= ULTIMATE.start_main_~x~4 70) (<= 70 ULTIMATE.start_main_~x~4)), 91266#(and (<= 69 ULTIMATE.start_main_~x~4) (<= ULTIMATE.start_main_~x~4 69)), 91269#(and (<= 72 ULTIMATE.start_main_~x~4) (<= ULTIMATE.start_main_~x~4 72)), 91268#(and (<= 71 ULTIMATE.start_main_~x~4) (<= ULTIMATE.start_main_~x~4 71)), 91271#(and (<= 74 ULTIMATE.start_main_~x~4) (<= ULTIMATE.start_main_~x~4 74)), 91270#(and (<= ULTIMATE.start_main_~x~4 73) (<= 73 ULTIMATE.start_main_~x~4)), 91273#(and (<= ULTIMATE.start_main_~x~4 76) (<= 76 ULTIMATE.start_main_~x~4)), 91272#(and (<= ULTIMATE.start_main_~x~4 75) (<= 75 ULTIMATE.start_main_~x~4)), 91275#(and (<= ULTIMATE.start_main_~x~4 78) (<= 78 ULTIMATE.start_main_~x~4)), 91274#(and (<= ULTIMATE.start_main_~x~4 77) (<= 77 ULTIMATE.start_main_~x~4)), 91277#(and (<= ULTIMATE.start_main_~x~4 80) (<= 80 ULTIMATE.start_main_~x~4)), 91276#(and (<= 79 ULTIMATE.start_main_~x~4) (<= ULTIMATE.start_main_~x~4 79)), 91279#(and (<= ULTIMATE.start_main_~x~4 82) (<= 82 ULTIMATE.start_main_~x~4)), 91278#(and (<= ULTIMATE.start_main_~x~4 81) (<= 81 ULTIMATE.start_main_~x~4)), 91281#(and (<= ULTIMATE.start_main_~x~4 84) (<= 84 ULTIMATE.start_main_~x~4)), 91280#(and (<= 83 ULTIMATE.start_main_~x~4) (<= ULTIMATE.start_main_~x~4 83)), 91283#(and (<= 86 ULTIMATE.start_main_~x~4) (<= ULTIMATE.start_main_~x~4 86)), 91282#(and (<= 85 ULTIMATE.start_main_~x~4) (<= ULTIMATE.start_main_~x~4 85)), 91285#(and (<= 88 ULTIMATE.start_main_~x~4) (<= ULTIMATE.start_main_~x~4 88)), 91284#(and (<= ULTIMATE.start_main_~x~4 87) (<= 87 ULTIMATE.start_main_~x~4)), 91287#(and (<= ULTIMATE.start_main_~x~4 90) (<= 90 ULTIMATE.start_main_~x~4)), 91286#(and (<= ULTIMATE.start_main_~x~4 89) (<= 89 ULTIMATE.start_main_~x~4)), 91289#(and (<= ULTIMATE.start_main_~x~4 92) (<= 92 ULTIMATE.start_main_~x~4)), 91288#(and (<= ULTIMATE.start_main_~x~4 91) (<= 91 ULTIMATE.start_main_~x~4)), 91291#(and (<= ULTIMATE.start_main_~x~4 94) (<= 94 ULTIMATE.start_main_~x~4)), 91290#(and (<= ULTIMATE.start_main_~x~4 93) (<= 93 ULTIMATE.start_main_~x~4)), 91293#(and (<= ULTIMATE.start_main_~x~4 96) (<= 96 ULTIMATE.start_main_~x~4)), 91292#(and (<= 95 ULTIMATE.start_main_~x~4) (<= ULTIMATE.start_main_~x~4 95)), 91295#(and (<= ULTIMATE.start_main_~x~4 98) (<= 98 ULTIMATE.start_main_~x~4)), 91294#(and (<= 97 ULTIMATE.start_main_~x~4) (<= ULTIMATE.start_main_~x~4 97)), 91297#(and (<= ULTIMATE.start_main_~x~4 100) (<= 100 ULTIMATE.start_main_~x~4)), 91296#(and (<= 99 ULTIMATE.start_main_~x~4) (<= ULTIMATE.start_main_~x~4 99)), 91299#(and (<= 102 ULTIMATE.start_main_~x~4) (<= ULTIMATE.start_main_~x~4 102)), 91298#(and (<= ULTIMATE.start_main_~x~4 101) (<= 101 ULTIMATE.start_main_~x~4)), 91301#(and (<= ULTIMATE.start_main_~x~4 104) (<= 104 ULTIMATE.start_main_~x~4)), 91300#(and (<= 103 ULTIMATE.start_main_~x~4) (<= ULTIMATE.start_main_~x~4 103)), 91303#(and (<= 106 ULTIMATE.start_main_~x~4) (<= ULTIMATE.start_main_~x~4 106)), 91302#(and (<= 105 ULTIMATE.start_main_~x~4) (<= ULTIMATE.start_main_~x~4 105)), 91305#(and (<= 108 ULTIMATE.start_main_~x~4) (<= ULTIMATE.start_main_~x~4 108)), 91304#(and (<= 107 ULTIMATE.start_main_~x~4) (<= ULTIMATE.start_main_~x~4 107)), 91307#(and (<= 110 ULTIMATE.start_main_~x~4) (<= ULTIMATE.start_main_~x~4 110)), 91306#(and (<= ULTIMATE.start_main_~x~4 109) (<= 109 ULTIMATE.start_main_~x~4)), 91309#(and (<= ULTIMATE.start_main_~x~4 112) (<= 112 ULTIMATE.start_main_~x~4)), 91308#(and (<= ULTIMATE.start_main_~x~4 111) (<= 111 ULTIMATE.start_main_~x~4)), 91311#(and (<= ULTIMATE.start_main_~x~4 114) (<= 114 ULTIMATE.start_main_~x~4)), 91310#(and (<= 113 ULTIMATE.start_main_~x~4) (<= ULTIMATE.start_main_~x~4 113)), 91313#(and (<= ULTIMATE.start_main_~x~4 116) (<= 116 ULTIMATE.start_main_~x~4)), 91312#(and (<= ULTIMATE.start_main_~x~4 115) (<= 115 ULTIMATE.start_main_~x~4)), 91315#(and (<= 118 ULTIMATE.start_main_~x~4) (<= ULTIMATE.start_main_~x~4 118)), 91314#(and (<= ULTIMATE.start_main_~x~4 117) (<= 117 ULTIMATE.start_main_~x~4)), 91317#(and (<= 120 ULTIMATE.start_main_~x~4) (<= ULTIMATE.start_main_~x~4 120)), 91316#(and (<= 119 ULTIMATE.start_main_~x~4) (<= ULTIMATE.start_main_~x~4 119)), 91319#(and (<= 122 ULTIMATE.start_main_~x~4) (<= ULTIMATE.start_main_~x~4 122)), 91318#(and (<= 121 ULTIMATE.start_main_~x~4) (<= ULTIMATE.start_main_~x~4 121)), 91321#(and (<= ULTIMATE.start_main_~x~4 124) (<= 124 ULTIMATE.start_main_~x~4)), 91320#(and (<= ULTIMATE.start_main_~x~4 123) (<= 123 ULTIMATE.start_main_~x~4)), 91323#(and (<= 126 ULTIMATE.start_main_~x~4) (<= ULTIMATE.start_main_~x~4 126)), 91322#(and (<= 125 ULTIMATE.start_main_~x~4) (<= ULTIMATE.start_main_~x~4 125)), 91325#(and (<= 128 ULTIMATE.start_main_~x~4) (<= ULTIMATE.start_main_~x~4 128)), 91324#(and (<= ULTIMATE.start_main_~x~4 127) (<= 127 ULTIMATE.start_main_~x~4)), 91327#(and (<= ULTIMATE.start_main_~x~4 130) (<= 130 ULTIMATE.start_main_~x~4)), 91326#(and (<= 129 ULTIMATE.start_main_~x~4) (<= ULTIMATE.start_main_~x~4 129)), 91329#(and (<= 132 ULTIMATE.start_main_~x~4) (<= ULTIMATE.start_main_~x~4 132)), 91328#(and (<= 131 ULTIMATE.start_main_~x~4) (<= ULTIMATE.start_main_~x~4 131)), 91331#(and (<= 134 ULTIMATE.start_main_~x~4) (<= ULTIMATE.start_main_~x~4 134)), 91330#(and (<= ULTIMATE.start_main_~x~4 133) (<= 133 ULTIMATE.start_main_~x~4)), 91333#(and (<= ULTIMATE.start_main_~x~4 136) (<= 136 ULTIMATE.start_main_~x~4)), 91332#(and (<= 135 ULTIMATE.start_main_~x~4) (<= ULTIMATE.start_main_~x~4 135)), 91335#(and (<= 138 ULTIMATE.start_main_~x~4) (<= ULTIMATE.start_main_~x~4 138)), 91334#(and (<= 137 ULTIMATE.start_main_~x~4) (<= ULTIMATE.start_main_~x~4 137)), 91336#(and (<= 139 ULTIMATE.start_main_~x~4) (<= ULTIMATE.start_main_~x~4 139))] [2018-07-23 13:52:09,725 INFO L134 CoverageAnalysis]: Checked inductivity of 19460 backedges. 0 proven. 19460 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-07-23 13:52:09,725 INFO L450 AbstractCegarLoop]: Interpolant automaton has 142 states [2018-07-23 13:52:09,725 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 142 interpolants. [2018-07-23 13:52:09,726 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=281, Invalid=19741, Unknown=0, NotChecked=0, Total=20022 [2018-07-23 13:52:09,726 INFO L87 Difference]: Start difference. First operand 283 states and 283 transitions. Second operand 142 states. [2018-07-23 13:52:11,132 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-07-23 13:52:11,133 INFO L93 Difference]: Finished difference Result 287 states and 287 transitions. [2018-07-23 13:52:11,133 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 142 states. [2018-07-23 13:52:11,133 INFO L78 Accepts]: Start accepts. Automaton has 142 states. Word has length 282 [2018-07-23 13:52:11,133 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-07-23 13:52:11,134 INFO L225 Difference]: With dead ends: 287 [2018-07-23 13:52:11,134 INFO L226 Difference]: Without dead ends: 285 [2018-07-23 13:52:11,135 INFO L575 BasicCegarLoop]: 0 DeclaredPredicates, 141 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 140 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.7s TimeCoverageRelationStatistics Valid=281, Invalid=19741, Unknown=0, NotChecked=0, Total=20022 [2018-07-23 13:52:11,135 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 285 states. [2018-07-23 13:52:11,142 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 285 to 285. [2018-07-23 13:52:11,142 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 285 states. [2018-07-23 13:52:11,143 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 285 states to 285 states and 285 transitions. [2018-07-23 13:52:11,143 INFO L78 Accepts]: Start accepts. Automaton has 285 states and 285 transitions. Word has length 282 [2018-07-23 13:52:11,143 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-07-23 13:52:11,143 INFO L471 AbstractCegarLoop]: Abstraction has 285 states and 285 transitions. [2018-07-23 13:52:11,143 INFO L472 AbstractCegarLoop]: Interpolant automaton has 142 states. [2018-07-23 13:52:11,143 INFO L276 IsEmpty]: Start isEmpty. Operand 285 states and 285 transitions. [2018-07-23 13:52:11,144 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 285 [2018-07-23 13:52:11,144 INFO L349 BasicCegarLoop]: Found error trace [2018-07-23 13:52:11,144 INFO L357 BasicCegarLoop]: trace histogram [141, 140, 1, 1, 1] [2018-07-23 13:52:11,144 INFO L414 AbstractCegarLoop]: === Iteration 141 === [ULTIMATE.startErr0AssertViolationASSERT]=== [2018-07-23 13:52:11,144 INFO L82 PathProgramCache]: Analyzing trace with hash 596243583, now seen corresponding path program 140 times [2018-07-23 13:52:11,144 INFO L69 tionRefinementEngine]: Using refinement strategy FixedRefinementStrategy [2018-07-23 13:52:11,422 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-07-23 13:52:12,472 INFO L134 CoverageAnalysis]: Checked inductivity of 19740 backedges. 0 proven. 19740 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-07-23 13:52:12,472 INFO L309 seRefinementStrategy]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2018-07-23 13:52:12,472 INFO L324 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [142] total 142 [2018-07-23 13:52:12,473 INFO L142 lantAutomatonBuilder]: Constructing canonical interpolant automaton, with selfloop in false state [2018-07-23 13:52:12,473 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 13:52:12,473 INFO L185 omatonBuilderFactory]: Interpolants [92481#true, 92483#(and (<= ULTIMATE.start_main_~x~4 0) (<= 0 ULTIMATE.start_main_~x~4)), 92482#false, 92485#(and (<= 2 ULTIMATE.start_main_~x~4) (<= ULTIMATE.start_main_~x~4 2)), 92484#(and (<= ULTIMATE.start_main_~x~4 1) (<= 1 ULTIMATE.start_main_~x~4)), 92487#(and (<= ULTIMATE.start_main_~x~4 4) (<= 4 ULTIMATE.start_main_~x~4)), 92486#(and (<= 3 ULTIMATE.start_main_~x~4) (<= ULTIMATE.start_main_~x~4 3)), 92489#(and (<= 6 ULTIMATE.start_main_~x~4) (<= ULTIMATE.start_main_~x~4 6)), 92488#(and (<= ULTIMATE.start_main_~x~4 5) (<= 5 ULTIMATE.start_main_~x~4)), 92491#(and (<= ULTIMATE.start_main_~x~4 8) (<= 8 ULTIMATE.start_main_~x~4)), 92490#(and (<= ULTIMATE.start_main_~x~4 7) (<= 7 ULTIMATE.start_main_~x~4)), 92493#(and (<= ULTIMATE.start_main_~x~4 10) (<= 10 ULTIMATE.start_main_~x~4)), 92492#(and (<= 9 ULTIMATE.start_main_~x~4) (<= ULTIMATE.start_main_~x~4 9)), 92495#(and (<= 12 ULTIMATE.start_main_~x~4) (<= ULTIMATE.start_main_~x~4 12)), 92494#(and (<= ULTIMATE.start_main_~x~4 11) (<= 11 ULTIMATE.start_main_~x~4)), 92497#(and (<= 14 ULTIMATE.start_main_~x~4) (<= ULTIMATE.start_main_~x~4 14)), 92496#(and (<= ULTIMATE.start_main_~x~4 13) (<= 13 ULTIMATE.start_main_~x~4)), 92499#(and (<= ULTIMATE.start_main_~x~4 16) (<= 16 ULTIMATE.start_main_~x~4)), 92498#(and (<= 15 ULTIMATE.start_main_~x~4) (<= ULTIMATE.start_main_~x~4 15)), 92501#(and (<= 18 ULTIMATE.start_main_~x~4) (<= ULTIMATE.start_main_~x~4 18)), 92500#(and (<= ULTIMATE.start_main_~x~4 17) (<= 17 ULTIMATE.start_main_~x~4)), 92503#(and (<= 20 ULTIMATE.start_main_~x~4) (<= ULTIMATE.start_main_~x~4 20)), 92502#(and (<= 19 ULTIMATE.start_main_~x~4) (<= ULTIMATE.start_main_~x~4 19)), 92505#(and (<= ULTIMATE.start_main_~x~4 22) (<= 22 ULTIMATE.start_main_~x~4)), 92504#(and (<= ULTIMATE.start_main_~x~4 21) (<= 21 ULTIMATE.start_main_~x~4)), 92507#(and (<= ULTIMATE.start_main_~x~4 24) (<= 24 ULTIMATE.start_main_~x~4)), 92506#(and (<= ULTIMATE.start_main_~x~4 23) (<= 23 ULTIMATE.start_main_~x~4)), 92509#(and (<= ULTIMATE.start_main_~x~4 26) (<= 26 ULTIMATE.start_main_~x~4)), 92508#(and (<= ULTIMATE.start_main_~x~4 25) (<= 25 ULTIMATE.start_main_~x~4)), 92511#(and (<= ULTIMATE.start_main_~x~4 28) (<= 28 ULTIMATE.start_main_~x~4)), 92510#(and (<= ULTIMATE.start_main_~x~4 27) (<= 27 ULTIMATE.start_main_~x~4)), 92513#(and (<= ULTIMATE.start_main_~x~4 30) (<= 30 ULTIMATE.start_main_~x~4)), 92512#(and (<= 29 ULTIMATE.start_main_~x~4) (<= ULTIMATE.start_main_~x~4 29)), 92515#(and (<= ULTIMATE.start_main_~x~4 32) (<= 32 ULTIMATE.start_main_~x~4)), 92514#(and (<= ULTIMATE.start_main_~x~4 31) (<= 31 ULTIMATE.start_main_~x~4)), 92517#(and (<= 34 ULTIMATE.start_main_~x~4) (<= ULTIMATE.start_main_~x~4 34)), 92516#(and (<= ULTIMATE.start_main_~x~4 33) (<= 33 ULTIMATE.start_main_~x~4)), 92519#(and (<= 36 ULTIMATE.start_main_~x~4) (<= ULTIMATE.start_main_~x~4 36)), 92518#(and (<= ULTIMATE.start_main_~x~4 35) (<= 35 ULTIMATE.start_main_~x~4)), 92521#(and (<= 38 ULTIMATE.start_main_~x~4) (<= ULTIMATE.start_main_~x~4 38)), 92520#(and (<= ULTIMATE.start_main_~x~4 37) (<= 37 ULTIMATE.start_main_~x~4)), 92523#(and (<= ULTIMATE.start_main_~x~4 40) (<= 40 ULTIMATE.start_main_~x~4)), 92522#(and (<= ULTIMATE.start_main_~x~4 39) (<= 39 ULTIMATE.start_main_~x~4)), 92525#(and (<= ULTIMATE.start_main_~x~4 42) (<= 42 ULTIMATE.start_main_~x~4)), 92524#(and (<= ULTIMATE.start_main_~x~4 41) (<= 41 ULTIMATE.start_main_~x~4)), 92527#(and (<= 44 ULTIMATE.start_main_~x~4) (<= ULTIMATE.start_main_~x~4 44)), 92526#(and (<= ULTIMATE.start_main_~x~4 43) (<= 43 ULTIMATE.start_main_~x~4)), 92529#(and (<= ULTIMATE.start_main_~x~4 46) (<= 46 ULTIMATE.start_main_~x~4)), 92528#(and (<= 45 ULTIMATE.start_main_~x~4) (<= ULTIMATE.start_main_~x~4 45)), 92531#(and (<= 48 ULTIMATE.start_main_~x~4) (<= ULTIMATE.start_main_~x~4 48)), 92530#(and (<= 47 ULTIMATE.start_main_~x~4) (<= ULTIMATE.start_main_~x~4 47)), 92533#(and (<= ULTIMATE.start_main_~x~4 50) (<= 50 ULTIMATE.start_main_~x~4)), 92532#(and (<= 49 ULTIMATE.start_main_~x~4) (<= ULTIMATE.start_main_~x~4 49)), 92535#(and (<= ULTIMATE.start_main_~x~4 52) (<= 52 ULTIMATE.start_main_~x~4)), 92534#(and (<= 51 ULTIMATE.start_main_~x~4) (<= ULTIMATE.start_main_~x~4 51)), 92537#(and (<= ULTIMATE.start_main_~x~4 54) (<= 54 ULTIMATE.start_main_~x~4)), 92536#(and (<= 53 ULTIMATE.start_main_~x~4) (<= ULTIMATE.start_main_~x~4 53)), 92539#(and (<= 56 ULTIMATE.start_main_~x~4) (<= ULTIMATE.start_main_~x~4 56)), 92538#(and (<= 55 ULTIMATE.start_main_~x~4) (<= ULTIMATE.start_main_~x~4 55)), 92541#(and (<= 58 ULTIMATE.start_main_~x~4) (<= ULTIMATE.start_main_~x~4 58)), 92540#(and (<= 57 ULTIMATE.start_main_~x~4) (<= ULTIMATE.start_main_~x~4 57)), 92543#(and (<= 60 ULTIMATE.start_main_~x~4) (<= ULTIMATE.start_main_~x~4 60)), 92542#(and (<= ULTIMATE.start_main_~x~4 59) (<= 59 ULTIMATE.start_main_~x~4)), 92545#(and (<= ULTIMATE.start_main_~x~4 62) (<= 62 ULTIMATE.start_main_~x~4)), 92544#(and (<= 61 ULTIMATE.start_main_~x~4) (<= ULTIMATE.start_main_~x~4 61)), 92547#(and (<= ULTIMATE.start_main_~x~4 64) (<= 64 ULTIMATE.start_main_~x~4)), 92546#(and (<= 63 ULTIMATE.start_main_~x~4) (<= ULTIMATE.start_main_~x~4 63)), 92549#(and (<= 66 ULTIMATE.start_main_~x~4) (<= ULTIMATE.start_main_~x~4 66)), 92548#(and (<= 65 ULTIMATE.start_main_~x~4) (<= ULTIMATE.start_main_~x~4 65)), 92551#(and (<= ULTIMATE.start_main_~x~4 68) (<= 68 ULTIMATE.start_main_~x~4)), 92550#(and (<= 67 ULTIMATE.start_main_~x~4) (<= ULTIMATE.start_main_~x~4 67)), 92553#(and (<= ULTIMATE.start_main_~x~4 70) (<= 70 ULTIMATE.start_main_~x~4)), 92552#(and (<= 69 ULTIMATE.start_main_~x~4) (<= ULTIMATE.start_main_~x~4 69)), 92555#(and (<= 72 ULTIMATE.start_main_~x~4) (<= ULTIMATE.start_main_~x~4 72)), 92554#(and (<= 71 ULTIMATE.start_main_~x~4) (<= ULTIMATE.start_main_~x~4 71)), 92557#(and (<= 74 ULTIMATE.start_main_~x~4) (<= ULTIMATE.start_main_~x~4 74)), 92556#(and (<= ULTIMATE.start_main_~x~4 73) (<= 73 ULTIMATE.start_main_~x~4)), 92559#(and (<= ULTIMATE.start_main_~x~4 76) (<= 76 ULTIMATE.start_main_~x~4)), 92558#(and (<= ULTIMATE.start_main_~x~4 75) (<= 75 ULTIMATE.start_main_~x~4)), 92561#(and (<= ULTIMATE.start_main_~x~4 78) (<= 78 ULTIMATE.start_main_~x~4)), 92560#(and (<= ULTIMATE.start_main_~x~4 77) (<= 77 ULTIMATE.start_main_~x~4)), 92563#(and (<= ULTIMATE.start_main_~x~4 80) (<= 80 ULTIMATE.start_main_~x~4)), 92562#(and (<= 79 ULTIMATE.start_main_~x~4) (<= ULTIMATE.start_main_~x~4 79)), 92565#(and (<= ULTIMATE.start_main_~x~4 82) (<= 82 ULTIMATE.start_main_~x~4)), 92564#(and (<= ULTIMATE.start_main_~x~4 81) (<= 81 ULTIMATE.start_main_~x~4)), 92567#(and (<= ULTIMATE.start_main_~x~4 84) (<= 84 ULTIMATE.start_main_~x~4)), 92566#(and (<= 83 ULTIMATE.start_main_~x~4) (<= ULTIMATE.start_main_~x~4 83)), 92569#(and (<= 86 ULTIMATE.start_main_~x~4) (<= ULTIMATE.start_main_~x~4 86)), 92568#(and (<= 85 ULTIMATE.start_main_~x~4) (<= ULTIMATE.start_main_~x~4 85)), 92571#(and (<= 88 ULTIMATE.start_main_~x~4) (<= ULTIMATE.start_main_~x~4 88)), 92570#(and (<= ULTIMATE.start_main_~x~4 87) (<= 87 ULTIMATE.start_main_~x~4)), 92573#(and (<= ULTIMATE.start_main_~x~4 90) (<= 90 ULTIMATE.start_main_~x~4)), 92572#(and (<= ULTIMATE.start_main_~x~4 89) (<= 89 ULTIMATE.start_main_~x~4)), 92575#(and (<= ULTIMATE.start_main_~x~4 92) (<= 92 ULTIMATE.start_main_~x~4)), 92574#(and (<= ULTIMATE.start_main_~x~4 91) (<= 91 ULTIMATE.start_main_~x~4)), 92577#(and (<= ULTIMATE.start_main_~x~4 94) (<= 94 ULTIMATE.start_main_~x~4)), 92576#(and (<= ULTIMATE.start_main_~x~4 93) (<= 93 ULTIMATE.start_main_~x~4)), 92579#(and (<= ULTIMATE.start_main_~x~4 96) (<= 96 ULTIMATE.start_main_~x~4)), 92578#(and (<= 95 ULTIMATE.start_main_~x~4) (<= ULTIMATE.start_main_~x~4 95)), 92581#(and (<= ULTIMATE.start_main_~x~4 98) (<= 98 ULTIMATE.start_main_~x~4)), 92580#(and (<= 97 ULTIMATE.start_main_~x~4) (<= ULTIMATE.start_main_~x~4 97)), 92583#(and (<= ULTIMATE.start_main_~x~4 100) (<= 100 ULTIMATE.start_main_~x~4)), 92582#(and (<= 99 ULTIMATE.start_main_~x~4) (<= ULTIMATE.start_main_~x~4 99)), 92585#(and (<= 102 ULTIMATE.start_main_~x~4) (<= ULTIMATE.start_main_~x~4 102)), 92584#(and (<= ULTIMATE.start_main_~x~4 101) (<= 101 ULTIMATE.start_main_~x~4)), 92587#(and (<= ULTIMATE.start_main_~x~4 104) (<= 104 ULTIMATE.start_main_~x~4)), 92586#(and (<= 103 ULTIMATE.start_main_~x~4) (<= ULTIMATE.start_main_~x~4 103)), 92589#(and (<= 106 ULTIMATE.start_main_~x~4) (<= ULTIMATE.start_main_~x~4 106)), 92588#(and (<= 105 ULTIMATE.start_main_~x~4) (<= ULTIMATE.start_main_~x~4 105)), 92591#(and (<= 108 ULTIMATE.start_main_~x~4) (<= ULTIMATE.start_main_~x~4 108)), 92590#(and (<= 107 ULTIMATE.start_main_~x~4) (<= ULTIMATE.start_main_~x~4 107)), 92593#(and (<= 110 ULTIMATE.start_main_~x~4) (<= ULTIMATE.start_main_~x~4 110)), 92592#(and (<= ULTIMATE.start_main_~x~4 109) (<= 109 ULTIMATE.start_main_~x~4)), 92595#(and (<= ULTIMATE.start_main_~x~4 112) (<= 112 ULTIMATE.start_main_~x~4)), 92594#(and (<= ULTIMATE.start_main_~x~4 111) (<= 111 ULTIMATE.start_main_~x~4)), 92597#(and (<= ULTIMATE.start_main_~x~4 114) (<= 114 ULTIMATE.start_main_~x~4)), 92596#(and (<= 113 ULTIMATE.start_main_~x~4) (<= ULTIMATE.start_main_~x~4 113)), 92599#(and (<= ULTIMATE.start_main_~x~4 116) (<= 116 ULTIMATE.start_main_~x~4)), 92598#(and (<= ULTIMATE.start_main_~x~4 115) (<= 115 ULTIMATE.start_main_~x~4)), 92601#(and (<= 118 ULTIMATE.start_main_~x~4) (<= ULTIMATE.start_main_~x~4 118)), 92600#(and (<= ULTIMATE.start_main_~x~4 117) (<= 117 ULTIMATE.start_main_~x~4)), 92603#(and (<= 120 ULTIMATE.start_main_~x~4) (<= ULTIMATE.start_main_~x~4 120)), 92602#(and (<= 119 ULTIMATE.start_main_~x~4) (<= ULTIMATE.start_main_~x~4 119)), 92605#(and (<= 122 ULTIMATE.start_main_~x~4) (<= ULTIMATE.start_main_~x~4 122)), 92604#(and (<= 121 ULTIMATE.start_main_~x~4) (<= ULTIMATE.start_main_~x~4 121)), 92607#(and (<= ULTIMATE.start_main_~x~4 124) (<= 124 ULTIMATE.start_main_~x~4)), 92606#(and (<= ULTIMATE.start_main_~x~4 123) (<= 123 ULTIMATE.start_main_~x~4)), 92609#(and (<= 126 ULTIMATE.start_main_~x~4) (<= ULTIMATE.start_main_~x~4 126)), 92608#(and (<= 125 ULTIMATE.start_main_~x~4) (<= ULTIMATE.start_main_~x~4 125)), 92611#(and (<= 128 ULTIMATE.start_main_~x~4) (<= ULTIMATE.start_main_~x~4 128)), 92610#(and (<= ULTIMATE.start_main_~x~4 127) (<= 127 ULTIMATE.start_main_~x~4)), 92613#(and (<= ULTIMATE.start_main_~x~4 130) (<= 130 ULTIMATE.start_main_~x~4)), 92612#(and (<= 129 ULTIMATE.start_main_~x~4) (<= ULTIMATE.start_main_~x~4 129)), 92615#(and (<= 132 ULTIMATE.start_main_~x~4) (<= ULTIMATE.start_main_~x~4 132)), 92614#(and (<= 131 ULTIMATE.start_main_~x~4) (<= ULTIMATE.start_main_~x~4 131)), 92617#(and (<= 134 ULTIMATE.start_main_~x~4) (<= ULTIMATE.start_main_~x~4 134)), 92616#(and (<= ULTIMATE.start_main_~x~4 133) (<= 133 ULTIMATE.start_main_~x~4)), 92619#(and (<= ULTIMATE.start_main_~x~4 136) (<= 136 ULTIMATE.start_main_~x~4)), 92618#(and (<= 135 ULTIMATE.start_main_~x~4) (<= ULTIMATE.start_main_~x~4 135)), 92621#(and (<= 138 ULTIMATE.start_main_~x~4) (<= ULTIMATE.start_main_~x~4 138)), 92620#(and (<= 137 ULTIMATE.start_main_~x~4) (<= ULTIMATE.start_main_~x~4 137)), 92623#(and (<= 140 ULTIMATE.start_main_~x~4) (<= ULTIMATE.start_main_~x~4 140)), 92622#(and (<= 139 ULTIMATE.start_main_~x~4) (<= ULTIMATE.start_main_~x~4 139))] [2018-07-23 13:52:12,474 INFO L134 CoverageAnalysis]: Checked inductivity of 19740 backedges. 0 proven. 19740 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-07-23 13:52:12,474 INFO L450 AbstractCegarLoop]: Interpolant automaton has 143 states [2018-07-23 13:52:12,475 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 143 interpolants. [2018-07-23 13:52:12,476 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=283, Invalid=20023, Unknown=0, NotChecked=0, Total=20306 [2018-07-23 13:52:12,476 INFO L87 Difference]: Start difference. First operand 285 states and 285 transitions. Second operand 143 states. [2018-07-23 13:52:13,874 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-07-23 13:52:13,874 INFO L93 Difference]: Finished difference Result 289 states and 289 transitions. [2018-07-23 13:52:13,874 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 143 states. [2018-07-23 13:52:13,874 INFO L78 Accepts]: Start accepts. Automaton has 143 states. Word has length 284 [2018-07-23 13:52:13,874 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-07-23 13:52:13,875 INFO L225 Difference]: With dead ends: 289 [2018-07-23 13:52:13,875 INFO L226 Difference]: Without dead ends: 287 [2018-07-23 13:52:13,877 INFO L575 BasicCegarLoop]: 0 DeclaredPredicates, 142 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 141 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.7s TimeCoverageRelationStatistics Valid=283, Invalid=20023, Unknown=0, NotChecked=0, Total=20306 [2018-07-23 13:52:13,877 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 287 states. [2018-07-23 13:52:13,887 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 287 to 287. [2018-07-23 13:52:13,887 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 287 states. [2018-07-23 13:52:13,887 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 287 states to 287 states and 287 transitions. [2018-07-23 13:52:13,887 INFO L78 Accepts]: Start accepts. Automaton has 287 states and 287 transitions. Word has length 284 [2018-07-23 13:52:13,888 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-07-23 13:52:13,888 INFO L471 AbstractCegarLoop]: Abstraction has 287 states and 287 transitions. [2018-07-23 13:52:13,888 INFO L472 AbstractCegarLoop]: Interpolant automaton has 143 states. [2018-07-23 13:52:13,888 INFO L276 IsEmpty]: Start isEmpty. Operand 287 states and 287 transitions. [2018-07-23 13:52:13,889 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 287 [2018-07-23 13:52:13,889 INFO L349 BasicCegarLoop]: Found error trace [2018-07-23 13:52:13,889 INFO L357 BasicCegarLoop]: trace histogram [142, 141, 1, 1, 1] [2018-07-23 13:52:13,889 INFO L414 AbstractCegarLoop]: === Iteration 142 === [ULTIMATE.startErr0AssertViolationASSERT]=== [2018-07-23 13:52:13,889 INFO L82 PathProgramCache]: Analyzing trace with hash 1759484985, now seen corresponding path program 141 times [2018-07-23 13:52:13,889 INFO L69 tionRefinementEngine]: Using refinement strategy FixedRefinementStrategy [2018-07-23 13:52:14,165 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-07-23 13:52:15,253 INFO L134 CoverageAnalysis]: Checked inductivity of 20022 backedges. 0 proven. 20022 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-07-23 13:52:15,254 INFO L309 seRefinementStrategy]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2018-07-23 13:52:15,254 INFO L324 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [143] total 143 [2018-07-23 13:52:15,254 INFO L142 lantAutomatonBuilder]: Constructing canonical interpolant automaton, with selfloop in false state [2018-07-23 13:52:15,254 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-07-23 13:52:15,255 INFO L185 omatonBuilderFactory]: Interpolants [93777#false, 93776#true, 93779#(and (<= ULTIMATE.start_main_~x~4 1) (<= 1 ULTIMATE.start_main_~x~4)), 93778#(and (<= ULTIMATE.start_main_~x~4 0) (<= 0 ULTIMATE.start_main_~x~4)), 93781#(and (<= 3 ULTIMATE.start_main_~x~4) (<= ULTIMATE.start_main_~x~4 3)), 93780#(and (<= 2 ULTIMATE.start_main_~x~4) (<= ULTIMATE.start_main_~x~4 2)), 93783#(and (<= ULTIMATE.start_main_~x~4 5) (<= 5 ULTIMATE.start_main_~x~4)), 93782#(and (<= ULTIMATE.start_main_~x~4 4) (<= 4 ULTIMATE.start_main_~x~4)), 93785#(and (<= ULTIMATE.start_main_~x~4 7) (<= 7 ULTIMATE.start_main_~x~4)), 93784#(and (<= 6 ULTIMATE.start_main_~x~4) (<= ULTIMATE.start_main_~x~4 6)), 93787#(and (<= 9 ULTIMATE.start_main_~x~4) (<= ULTIMATE.start_main_~x~4 9)), 93786#(and (<= ULTIMATE.start_main_~x~4 8) (<= 8 ULTIMATE.start_main_~x~4)), 93789#(and (<= ULTIMATE.start_main_~x~4 11) (<= 11 ULTIMATE.start_main_~x~4)), 93788#(and (<= ULTIMATE.start_main_~x~4 10) (<= 10 ULTIMATE.start_main_~x~4)), 93791#(and (<= ULTIMATE.start_main_~x~4 13) (<= 13 ULTIMATE.start_main_~x~4)), 93790#(and (<= 12 ULTIMATE.start_main_~x~4) (<= ULTIMATE.start_main_~x~4 12)), 93793#(and (<= 15 ULTIMATE.start_main_~x~4) (<= ULTIMATE.start_main_~x~4 15)), 93792#(and (<= 14 ULTIMATE.start_main_~x~4) (<= ULTIMATE.start_main_~x~4 14)), 93795#(and (<= ULTIMATE.start_main_~x~4 17) (<= 17 ULTIMATE.start_main_~x~4)), 93794#(and (<= ULTIMATE.start_main_~x~4 16) (<= 16 ULTIMATE.start_main_~x~4)), 93797#(and (<= 19 ULTIMATE.start_main_~x~4) (<= ULTIMATE.start_main_~x~4 19)), 93796#(and (<= 18 ULTIMATE.start_main_~x~4) (<= ULTIMATE.start_main_~x~4 18)), 93799#(and (<= ULTIMATE.start_main_~x~4 21) (<= 21 ULTIMATE.start_main_~x~4)), 93798#(and (<= 20 ULTIMATE.start_main_~x~4) (<= ULTIMATE.start_main_~x~4 20)), 93801#(and (<= ULTIMATE.start_main_~x~4 23) (<= 23 ULTIMATE.start_main_~x~4)), 93800#(and (<= ULTIMATE.start_main_~x~4 22) (<= 22 ULTIMATE.start_main_~x~4)), 93803#(and (<= ULTIMATE.start_main_~x~4 25) (<= 25 ULTIMATE.start_main_~x~4)), 93802#(and (<= ULTIMATE.start_main_~x~4 24) (<= 24 ULTIMATE.start_main_~x~4)), 93805#(and (<= ULTIMATE.start_main_~x~4 27) (<= 27 ULTIMATE.start_main_~x~4)), 93804#(and (<= ULTIMATE.start_main_~x~4 26) (<= 26 ULTIMATE.start_main_~x~4)), 93807#(and (<= 29 ULTIMATE.start_main_~x~4) (<= ULTIMATE.start_main_~x~4 29)), 93806#(and (<= ULTIMATE.start_main_~x~4 28) (<= 28 ULTIMATE.start_main_~x~4)), 93809#(and (<= ULTIMATE.start_main_~x~4 31) (<= 31 ULTIMATE.start_main_~x~4)), 93808#(and (<= ULTIMATE.start_main_~x~4 30) (<= 30 ULTIMATE.start_main_~x~4)), 93811#(and (<= ULTIMATE.start_main_~x~4 33) (<= 33 ULTIMATE.start_main_~x~4)), 93810#(and (<= ULTIMATE.start_main_~x~4 32) (<= 32 ULTIMATE.start_main_~x~4)), 93813#(and (<= ULTIMATE.start_main_~x~4 35) (<= 35 ULTIMATE.start_main_~x~4)), 93812#(and (<= 34 ULTIMATE.start_main_~x~4) (<= ULTIMATE.start_main_~x~4 34)), 93815#(and (<= ULTIMATE.start_main_~x~4 37) (<= 37 ULTIMATE.start_main_~x~4)), 93814#(and (<= 36 ULTIMATE.start_main_~x~4) (<= ULTIMATE.start_main_~x~4 36)), 93817#(and (<= ULTIMATE.start_main_~x~4 39) (<= 39 ULTIMATE.start_main_~x~4)), 93816#(and (<= 38 ULTIMATE.start_main_~x~4) (<= ULTIMATE.start_main_~x~4 38)), 93819#(and (<= ULTIMATE.start_main_~x~4 41) (<= 41 ULTIMATE.start_main_~x~4)), 93818#(and (<= ULTIMATE.start_main_~x~4 40) (<= 40 ULTIMATE.start_main_~x~4)), 93821#(and (<= ULTIMATE.start_main_~x~4 43) (<= 43 ULTIMATE.start_main_~x~4)), 93820#(and (<= ULTIMATE.start_main_~x~4 42) (<= 42 ULTIMATE.start_main_~x~4)), 93823#(and (<= 45 ULTIMATE.start_main_~x~4) (<= ULTIMATE.start_main_~x~4 45)), 93822#(and (<= 44 ULTIMATE.start_main_~x~4) (<= ULTIMATE.start_main_~x~4 44)), 93825#(and (<= 47 ULTIMATE.start_main_~x~4) (<= ULTIMATE.start_main_~x~4 47)), 93824#(and (<= ULTIMATE.start_main_~x~4 46) (<= 46 ULTIMATE.start_main_~x~4)), 93827#(and (<= 49 ULTIMATE.start_main_~x~4) (<= ULTIMATE.start_main_~x~4 49)), 93826#(and (<= 48 ULTIMATE.start_main_~x~4) (<= ULTIMATE.start_main_~x~4 48)), 93829#(and (<= 51 ULTIMATE.start_main_~x~4) (<= ULTIMATE.start_main_~x~4 51)), 93828#(and (<= ULTIMATE.start_main_~x~4 50) (<= 50 ULTIMATE.start_main_~x~4)), 93831#(and (<= 53 ULTIMATE.start_main_~x~4) (<= ULTIMATE.start_main_~x~4 53)), 93830#(and (<= ULTIMATE.start_main_~x~4 52) (<= 52 ULTIMATE.start_main_~x~4)), 93833#(and (<= 55 ULTIMATE.start_main_~x~4) (<= ULTIMATE.start_main_~x~4 55)), 93832#(and (<= ULTIMATE.start_main_~x~4 54) (<= 54 ULTIMATE.start_main_~x~4)), 93835#(and (<= 57 ULTIMATE.start_main_~x~4) (<= ULTIMATE.start_main_~x~4 57)), 93834#(and (<= 56 ULTIMATE.start_main_~x~4) (<= ULTIMATE.start_main_~x~4 56)), 93837#(and (<= ULTIMATE.start_main_~x~4 59) (<= 59 ULTIMATE.start_main_~x~4)), 93836#(and (<= 58 ULTIMATE.start_main_~x~4) (<= ULTIMATE.start_main_~x~4 58)), 93839#(and (<= 61 ULTIMATE.start_main_~x~4) (<= ULTIMATE.start_main_~x~4 61)), 93838#(and (<= 60 ULTIMATE.start_main_~x~4) (<= ULTIMATE.start_main_~x~4 60)), 93841#(and (<= 63 ULTIMATE.start_main_~x~4) (<= ULTIMATE.start_main_~x~4 63)), 93840#(and (<= ULTIMATE.start_main_~x~4 62) (<= 62 ULTIMATE.start_main_~x~4)), 93843#(and (<= 65 ULTIMATE.start_main_~x~4) (<= ULTIMATE.start_main_~x~4 65)), 93842#(and (<= ULTIMATE.start_main_~x~4 64) (<= 64 ULTIMATE.start_main_~x~4)), 93845#(and (<= 67 ULTIMATE.start_main_~x~4) (<= ULTIMATE.start_main_~x~4 67)), 93844#(and (<= 66 ULTIMATE.start_main_~x~4) (<= ULTIMATE.start_main_~x~4 66)), 93847#(and (<= 69 ULTIMATE.start_main_~x~4) (<= ULTIMATE.start_main_~x~4 69)), 93846#(and (<= ULTIMATE.start_main_~x~4 68) (<= 68 ULTIMATE.start_main_~x~4)), 93849#(and (<= 71 ULTIMATE.start_main_~x~4) (<= ULTIMATE.start_main_~x~4 71)), 93848#(and (<= ULTIMATE.start_main_~x~4 70) (<= 70 ULTIMATE.start_main_~x~4)), 93851#(and (<= ULTIMATE.start_main_~x~4 73) (<= 73 ULTIMATE.start_main_~x~4)), 93850#(and (<= 72 ULTIMATE.start_main_~x~4) (<= ULTIMATE.start_main_~x~4 72)), 93853#(and (<= ULTIMATE.start_main_~x~4 75) (<= 75 ULTIMATE.start_main_~x~4)), 93852#(and (<= 74 ULTIMATE.start_main_~x~4) (<= ULTIMATE.start_main_~x~4 74)), 93855#(and (<= ULTIMATE.start_main_~x~4 77) (<= 77 ULTIMATE.start_main_~x~4)), 93854#(and (<= ULTIMATE.start_main_~x~4 76) (<= 76 ULTIMATE.start_main_~x~4)), 93857#(and (<= 79 ULTIMATE.start_main_~x~4) (<= ULTIMATE.start_main_~x~4 79)), 93856#(and (<= ULTIMATE.start_main_~x~4 78) (<= 78 ULTIMATE.start_main_~x~4)), 93859#(and (<= ULTIMATE.start_main_~x~4 81) (<= 81 ULTIMATE.start_main_~x~4)), 93858#(and (<= ULTIMATE.start_main_~x~4 80) (<= 80 ULTIMATE.start_main_~x~4)), 93861#(and (<= 83 ULTIMATE.start_main_~x~4) (<= ULTIMATE.start_main_~x~4 83)), 93860#(and (<= ULTIMATE.start_main_~x~4 82) (<= 82 ULTIMATE.start_main_~x~4)), 93863#(and (<= 85 ULTIMATE.start_main_~x~4) (<= ULTIMATE.start_main_~x~4 85)), 93862#(and (<= ULTIMATE.start_main_~x~4 84) (<= 84 ULTIMATE.start_main_~x~4)), 93865#(and (<= ULTIMATE.start_main_~x~4 87) (<= 87 ULTIMATE.start_main_~x~4)), 93864#(and (<= 86 ULTIMATE.start_main_~x~4) (<= ULTIMATE.start_main_~x~4 86)), 93867#(and (<= ULTIMATE.start_main_~x~4 89) (<= 89 ULTIMATE.start_main_~x~4)), 93866#(and (<= 88 ULTIMATE.start_main_~x~4) (<= ULTIMATE.start_main_~x~4 88)), 93869#(and (<= ULTIMATE.start_main_~x~4 91) (<= 91 ULTIMATE.start_main_~x~4)), 93868#(and (<= ULTIMATE.start_main_~x~4 90) (<= 90 ULTIMATE.start_main_~x~4)), 93871#(and (<= ULTIMATE.start_main_~x~4 93) (<= 93 ULTIMATE.start_main_~x~4)), 93870#(and (<= ULTIMATE.start_main_~x~4 92) (<= 92 ULTIMATE.start_main_~x~4)), 93873#(and (<= 95 ULTIMATE.start_main_~x~4) (<= ULTIMATE.start_main_~x~4 95)), 93872#(and (<= ULTIMATE.start_main_~x~4 94) (<= 94 ULTIMATE.start_main_~x~4)), 93875#(and (<= 97 ULTIMATE.start_main_~x~4) (<= ULTIMATE.start_main_~x~4 97)), 93874#(and (<= ULTIMATE.start_main_~x~4 96) (<= 96 ULTIMATE.start_main_~x~4)), 93877#(and (<= 99 ULTIMATE.start_main_~x~4) (<= ULTIMATE.start_main_~x~4 99)), 93876#(and (<= ULTIMATE.start_main_~x~4 98) (<= 98 ULTIMATE.start_main_~x~4)), 93879#(and (<= ULTIMATE.start_main_~x~4 101) (<= 101 ULTIMATE.start_main_~x~4)), 93878#(and (<= ULTIMATE.start_main_~x~4 100) (<= 100 ULTIMATE.start_main_~x~4)), 93881#(and (<= 103 ULTIMATE.start_main_~x~4) (<= ULTIMATE.start_main_~x~4 103)), 93880#(and (<= 102 ULTIMATE.start_main_~x~4) (<= ULTIMATE.start_main_~x~4 102)), 93883#(and (<= 105 ULTIMATE.start_main_~x~4) (<= ULTIMATE.start_main_~x~4 105)), 93882#(and (<= ULTIMATE.start_main_~x~4 104) (<= 104 ULTIMATE.start_main_~x~4)), 93885#(and (<= 107 ULTIMATE.start_main_~x~4) (<= ULTIMATE.start_main_~x~4 107)), 93884#(and (<= 106 ULTIMATE.start_main_~x~4) (<= ULTIMATE.start_main_~x~4 106)), 93887#(and (<= ULTIMATE.start_main_~x~4 109) (<= 109 ULTIMATE.start_main_~x~4)), 93886#(and (<= 108 ULTIMATE.start_main_~x~4) (<= ULTIMATE.start_main_~x~4 108)), 93889#(and (<= ULTIMATE.start_main_~x~4 111) (<= 111 ULTIMATE.start_main_~x~4)), 93888#(and (<= 110 ULTIMATE.start_main_~x~4) (<= ULTIMATE.start_main_~x~4 110)), 93891#(and (<= 113 ULTIMATE.start_main_~x~4) (<= ULTIMATE.start_main_~x~4 113)), 93890#(and (<= ULTIMATE.start_main_~x~4 112) (<= 112 ULTIMATE.start_main_~x~4)), 93893#(and (<= ULTIMATE.start_main_~x~4 115) (<= 115 ULTIMATE.start_main_~x~4)), 93892#(and (<= ULTIMATE.start_main_~x~4 114) (<= 114 ULTIMATE.start_main_~x~4)), 93895#(and (<= ULTIMATE.start_main_~x~4 117) (<= 117 ULTIMATE.start_main_~x~4)), 93894#(and (<= ULTIMATE.start_main_~x~4 116) (<= 116 ULTIMATE.start_main_~x~4)), 93897#(and (<= 119 ULTIMATE.start_main_~x~4) (<= ULTIMATE.start_main_~x~4 119)), 93896#(and (<= 118 ULTIMATE.start_main_~x~4) (<= ULTIMATE.start_main_~x~4 118)), 93899#(and (<= 121 ULTIMATE.start_main_~x~4) (<= ULTIMATE.start_main_~x~4 121)), 93898#(and (<= 120 ULTIMATE.start_main_~x~4) (<= ULTIMATE.start_main_~x~4 120)), 93901#(and (<= ULTIMATE.start_main_~x~4 123) (<= 123 ULTIMATE.start_main_~x~4)), 93900#(and (<= 122 ULTIMATE.start_main_~x~4) (<= ULTIMATE.start_main_~x~4 122)), 93903#(and (<= 125 ULTIMATE.start_main_~x~4) (<= ULTIMATE.start_main_~x~4 125)), 93902#(and (<= ULTIMATE.start_main_~x~4 124) (<= 124 ULTIMATE.start_main_~x~4)), 93905#(and (<= ULTIMATE.start_main_~x~4 127) (<= 127 ULTIMATE.start_main_~x~4)), 93904#(and (<= 126 ULTIMATE.start_main_~x~4) (<= ULTIMATE.start_main_~x~4 126)), 93907#(and (<= 129 ULTIMATE.start_main_~x~4) (<= ULTIMATE.start_main_~x~4 129)), 93906#(and (<= 128 ULTIMATE.start_main_~x~4) (<= ULTIMATE.start_main_~x~4 128)), 93909#(and (<= 131 ULTIMATE.start_main_~x~4) (<= ULTIMATE.start_main_~x~4 131)), 93908#(and (<= ULTIMATE.start_main_~x~4 130) (<= 130 ULTIMATE.start_main_~x~4)), 93911#(and (<= ULTIMATE.start_main_~x~4 133) (<= 133 ULTIMATE.start_main_~x~4)), 93910#(and (<= 132 ULTIMATE.start_main_~x~4) (<= ULTIMATE.start_main_~x~4 132)), 93913#(and (<= 135 ULTIMATE.start_main_~x~4) (<= ULTIMATE.start_main_~x~4 135)), 93912#(and (<= 134 ULTIMATE.start_main_~x~4) (<= ULTIMATE.start_main_~x~4 134)), 93915#(and (<= 137 ULTIMATE.start_main_~x~4) (<= ULTIMATE.start_main_~x~4 137)), 93914#(and (<= ULTIMATE.start_main_~x~4 136) (<= 136 ULTIMATE.start_main_~x~4)), 93917#(and (<= 139 ULTIMATE.start_main_~x~4) (<= ULTIMATE.start_main_~x~4 139)), 93916#(and (<= 138 ULTIMATE.start_main_~x~4) (<= ULTIMATE.start_main_~x~4 138)), 93919#(and (<= 141 ULTIMATE.start_main_~x~4) (<= ULTIMATE.start_main_~x~4 141)), 93918#(and (<= 140 ULTIMATE.start_main_~x~4) (<= ULTIMATE.start_main_~x~4 140))] [2018-07-23 13:52:15,256 INFO L134 CoverageAnalysis]: Checked inductivity of 20022 backedges. 0 proven. 20022 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-07-23 13:52:15,256 INFO L450 AbstractCegarLoop]: Interpolant automaton has 144 states [2018-07-23 13:52:15,256 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 144 interpolants. [2018-07-23 13:52:15,256 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=285, Invalid=20307, Unknown=0, NotChecked=0, Total=20592 [2018-07-23 13:52:15,257 INFO L87 Difference]: Start difference. First operand 287 states and 287 transitions. Second operand 144 states. [2018-07-23 13:52:16,661 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-07-23 13:52:16,662 INFO L93 Difference]: Finished difference Result 291 states and 291 transitions. [2018-07-23 13:52:16,662 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 144 states. [2018-07-23 13:52:16,662 INFO L78 Accepts]: Start accepts. Automaton has 144 states. Word has length 286 [2018-07-23 13:52:16,663 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-07-23 13:52:16,663 INFO L225 Difference]: With dead ends: 291 [2018-07-23 13:52:16,663 INFO L226 Difference]: Without dead ends: 289 [2018-07-23 13:52:16,664 INFO L575 BasicCegarLoop]: 0 DeclaredPredicates, 143 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 142 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.8s TimeCoverageRelationStatistics Valid=285, Invalid=20307, Unknown=0, NotChecked=0, Total=20592 [2018-07-23 13:52:16,664 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 289 states. [2018-07-23 13:52:16,673 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 289 to 289. [2018-07-23 13:52:16,674 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 289 states. [2018-07-23 13:52:16,674 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 289 states to 289 states and 289 transitions. [2018-07-23 13:52:16,674 INFO L78 Accepts]: Start accepts. Automaton has 289 states and 289 transitions. Word has length 286 [2018-07-23 13:52:16,675 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-07-23 13:52:16,675 INFO L471 AbstractCegarLoop]: Abstraction has 289 states and 289 transitions. [2018-07-23 13:52:16,675 INFO L472 AbstractCegarLoop]: Interpolant automaton has 144 states. [2018-07-23 13:52:16,675 INFO L276 IsEmpty]: Start isEmpty. Operand 289 states and 289 transitions. [2018-07-23 13:52:16,676 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 289 [2018-07-23 13:52:16,676 INFO L349 BasicCegarLoop]: Found error trace [2018-07-23 13:52:16,676 INFO L357 BasicCegarLoop]: trace histogram [143, 142, 1, 1, 1] [2018-07-23 13:52:16,676 INFO L414 AbstractCegarLoop]: === Iteration 143 === [ULTIMATE.startErr0AssertViolationASSERT]=== [2018-07-23 13:52:16,677 INFO L82 PathProgramCache]: Analyzing trace with hash -1351991949, now seen corresponding path program 142 times [2018-07-23 13:52:16,677 INFO L69 tionRefinementEngine]: Using refinement strategy FixedRefinementStrategy [2018-07-23 13:52:16,974 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-07-23 13:52:18,034 INFO L134 CoverageAnalysis]: Checked inductivity of 20306 backedges. 0 proven. 20306 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-07-23 13:52:18,034 INFO L309 seRefinementStrategy]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2018-07-23 13:52:18,034 INFO L324 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [144] total 144 [2018-07-23 13:52:18,034 INFO L142 lantAutomatonBuilder]: Constructing canonical interpolant automaton, with selfloop in false state [2018-07-23 13:52:18,035 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-07-23 13:52:18,035 INFO L185 omatonBuilderFactory]: Interpolants [95081#false, 95080#true, 95083#(and (<= ULTIMATE.start_main_~x~4 1) (<= 1 ULTIMATE.start_main_~x~4)), 95082#(and (<= ULTIMATE.start_main_~x~4 0) (<= 0 ULTIMATE.start_main_~x~4)), 95085#(and (<= 3 ULTIMATE.start_main_~x~4) (<= ULTIMATE.start_main_~x~4 3)), 95084#(and (<= 2 ULTIMATE.start_main_~x~4) (<= ULTIMATE.start_main_~x~4 2)), 95087#(and (<= ULTIMATE.start_main_~x~4 5) (<= 5 ULTIMATE.start_main_~x~4)), 95086#(and (<= ULTIMATE.start_main_~x~4 4) (<= 4 ULTIMATE.start_main_~x~4)), 95089#(and (<= ULTIMATE.start_main_~x~4 7) (<= 7 ULTIMATE.start_main_~x~4)), 95088#(and (<= 6 ULTIMATE.start_main_~x~4) (<= ULTIMATE.start_main_~x~4 6)), 95091#(and (<= 9 ULTIMATE.start_main_~x~4) (<= ULTIMATE.start_main_~x~4 9)), 95090#(and (<= ULTIMATE.start_main_~x~4 8) (<= 8 ULTIMATE.start_main_~x~4)), 95093#(and (<= ULTIMATE.start_main_~x~4 11) (<= 11 ULTIMATE.start_main_~x~4)), 95092#(and (<= ULTIMATE.start_main_~x~4 10) (<= 10 ULTIMATE.start_main_~x~4)), 95095#(and (<= ULTIMATE.start_main_~x~4 13) (<= 13 ULTIMATE.start_main_~x~4)), 95094#(and (<= 12 ULTIMATE.start_main_~x~4) (<= ULTIMATE.start_main_~x~4 12)), 95097#(and (<= 15 ULTIMATE.start_main_~x~4) (<= ULTIMATE.start_main_~x~4 15)), 95096#(and (<= 14 ULTIMATE.start_main_~x~4) (<= ULTIMATE.start_main_~x~4 14)), 95099#(and (<= ULTIMATE.start_main_~x~4 17) (<= 17 ULTIMATE.start_main_~x~4)), 95098#(and (<= ULTIMATE.start_main_~x~4 16) (<= 16 ULTIMATE.start_main_~x~4)), 95101#(and (<= 19 ULTIMATE.start_main_~x~4) (<= ULTIMATE.start_main_~x~4 19)), 95100#(and (<= 18 ULTIMATE.start_main_~x~4) (<= ULTIMATE.start_main_~x~4 18)), 95103#(and (<= ULTIMATE.start_main_~x~4 21) (<= 21 ULTIMATE.start_main_~x~4)), 95102#(and (<= 20 ULTIMATE.start_main_~x~4) (<= ULTIMATE.start_main_~x~4 20)), 95105#(and (<= ULTIMATE.start_main_~x~4 23) (<= 23 ULTIMATE.start_main_~x~4)), 95104#(and (<= ULTIMATE.start_main_~x~4 22) (<= 22 ULTIMATE.start_main_~x~4)), 95107#(and (<= ULTIMATE.start_main_~x~4 25) (<= 25 ULTIMATE.start_main_~x~4)), 95106#(and (<= ULTIMATE.start_main_~x~4 24) (<= 24 ULTIMATE.start_main_~x~4)), 95109#(and (<= ULTIMATE.start_main_~x~4 27) (<= 27 ULTIMATE.start_main_~x~4)), 95108#(and (<= ULTIMATE.start_main_~x~4 26) (<= 26 ULTIMATE.start_main_~x~4)), 95111#(and (<= 29 ULTIMATE.start_main_~x~4) (<= ULTIMATE.start_main_~x~4 29)), 95110#(and (<= ULTIMATE.start_main_~x~4 28) (<= 28 ULTIMATE.start_main_~x~4)), 95113#(and (<= ULTIMATE.start_main_~x~4 31) (<= 31 ULTIMATE.start_main_~x~4)), 95112#(and (<= ULTIMATE.start_main_~x~4 30) (<= 30 ULTIMATE.start_main_~x~4)), 95115#(and (<= ULTIMATE.start_main_~x~4 33) (<= 33 ULTIMATE.start_main_~x~4)), 95114#(and (<= ULTIMATE.start_main_~x~4 32) (<= 32 ULTIMATE.start_main_~x~4)), 95117#(and (<= ULTIMATE.start_main_~x~4 35) (<= 35 ULTIMATE.start_main_~x~4)), 95116#(and (<= 34 ULTIMATE.start_main_~x~4) (<= ULTIMATE.start_main_~x~4 34)), 95119#(and (<= ULTIMATE.start_main_~x~4 37) (<= 37 ULTIMATE.start_main_~x~4)), 95118#(and (<= 36 ULTIMATE.start_main_~x~4) (<= ULTIMATE.start_main_~x~4 36)), 95121#(and (<= ULTIMATE.start_main_~x~4 39) (<= 39 ULTIMATE.start_main_~x~4)), 95120#(and (<= 38 ULTIMATE.start_main_~x~4) (<= ULTIMATE.start_main_~x~4 38)), 95123#(and (<= ULTIMATE.start_main_~x~4 41) (<= 41 ULTIMATE.start_main_~x~4)), 95122#(and (<= ULTIMATE.start_main_~x~4 40) (<= 40 ULTIMATE.start_main_~x~4)), 95125#(and (<= ULTIMATE.start_main_~x~4 43) (<= 43 ULTIMATE.start_main_~x~4)), 95124#(and (<= ULTIMATE.start_main_~x~4 42) (<= 42 ULTIMATE.start_main_~x~4)), 95127#(and (<= 45 ULTIMATE.start_main_~x~4) (<= ULTIMATE.start_main_~x~4 45)), 95126#(and (<= 44 ULTIMATE.start_main_~x~4) (<= ULTIMATE.start_main_~x~4 44)), 95129#(and (<= 47 ULTIMATE.start_main_~x~4) (<= ULTIMATE.start_main_~x~4 47)), 95128#(and (<= ULTIMATE.start_main_~x~4 46) (<= 46 ULTIMATE.start_main_~x~4)), 95131#(and (<= 49 ULTIMATE.start_main_~x~4) (<= ULTIMATE.start_main_~x~4 49)), 95130#(and (<= 48 ULTIMATE.start_main_~x~4) (<= ULTIMATE.start_main_~x~4 48)), 95133#(and (<= 51 ULTIMATE.start_main_~x~4) (<= ULTIMATE.start_main_~x~4 51)), 95132#(and (<= ULTIMATE.start_main_~x~4 50) (<= 50 ULTIMATE.start_main_~x~4)), 95135#(and (<= 53 ULTIMATE.start_main_~x~4) (<= ULTIMATE.start_main_~x~4 53)), 95134#(and (<= ULTIMATE.start_main_~x~4 52) (<= 52 ULTIMATE.start_main_~x~4)), 95137#(and (<= 55 ULTIMATE.start_main_~x~4) (<= ULTIMATE.start_main_~x~4 55)), 95136#(and (<= ULTIMATE.start_main_~x~4 54) (<= 54 ULTIMATE.start_main_~x~4)), 95139#(and (<= 57 ULTIMATE.start_main_~x~4) (<= ULTIMATE.start_main_~x~4 57)), 95138#(and (<= 56 ULTIMATE.start_main_~x~4) (<= ULTIMATE.start_main_~x~4 56)), 95141#(and (<= ULTIMATE.start_main_~x~4 59) (<= 59 ULTIMATE.start_main_~x~4)), 95140#(and (<= 58 ULTIMATE.start_main_~x~4) (<= ULTIMATE.start_main_~x~4 58)), 95143#(and (<= 61 ULTIMATE.start_main_~x~4) (<= ULTIMATE.start_main_~x~4 61)), 95142#(and (<= 60 ULTIMATE.start_main_~x~4) (<= ULTIMATE.start_main_~x~4 60)), 95145#(and (<= 63 ULTIMATE.start_main_~x~4) (<= ULTIMATE.start_main_~x~4 63)), 95144#(and (<= ULTIMATE.start_main_~x~4 62) (<= 62 ULTIMATE.start_main_~x~4)), 95147#(and (<= 65 ULTIMATE.start_main_~x~4) (<= ULTIMATE.start_main_~x~4 65)), 95146#(and (<= ULTIMATE.start_main_~x~4 64) (<= 64 ULTIMATE.start_main_~x~4)), 95149#(and (<= 67 ULTIMATE.start_main_~x~4) (<= ULTIMATE.start_main_~x~4 67)), 95148#(and (<= 66 ULTIMATE.start_main_~x~4) (<= ULTIMATE.start_main_~x~4 66)), 95151#(and (<= 69 ULTIMATE.start_main_~x~4) (<= ULTIMATE.start_main_~x~4 69)), 95150#(and (<= ULTIMATE.start_main_~x~4 68) (<= 68 ULTIMATE.start_main_~x~4)), 95153#(and (<= 71 ULTIMATE.start_main_~x~4) (<= ULTIMATE.start_main_~x~4 71)), 95152#(and (<= ULTIMATE.start_main_~x~4 70) (<= 70 ULTIMATE.start_main_~x~4)), 95155#(and (<= ULTIMATE.start_main_~x~4 73) (<= 73 ULTIMATE.start_main_~x~4)), 95154#(and (<= 72 ULTIMATE.start_main_~x~4) (<= ULTIMATE.start_main_~x~4 72)), 95157#(and (<= ULTIMATE.start_main_~x~4 75) (<= 75 ULTIMATE.start_main_~x~4)), 95156#(and (<= 74 ULTIMATE.start_main_~x~4) (<= ULTIMATE.start_main_~x~4 74)), 95159#(and (<= ULTIMATE.start_main_~x~4 77) (<= 77 ULTIMATE.start_main_~x~4)), 95158#(and (<= ULTIMATE.start_main_~x~4 76) (<= 76 ULTIMATE.start_main_~x~4)), 95161#(and (<= 79 ULTIMATE.start_main_~x~4) (<= ULTIMATE.start_main_~x~4 79)), 95160#(and (<= ULTIMATE.start_main_~x~4 78) (<= 78 ULTIMATE.start_main_~x~4)), 95163#(and (<= ULTIMATE.start_main_~x~4 81) (<= 81 ULTIMATE.start_main_~x~4)), 95162#(and (<= ULTIMATE.start_main_~x~4 80) (<= 80 ULTIMATE.start_main_~x~4)), 95165#(and (<= 83 ULTIMATE.start_main_~x~4) (<= ULTIMATE.start_main_~x~4 83)), 95164#(and (<= ULTIMATE.start_main_~x~4 82) (<= 82 ULTIMATE.start_main_~x~4)), 95167#(and (<= 85 ULTIMATE.start_main_~x~4) (<= ULTIMATE.start_main_~x~4 85)), 95166#(and (<= ULTIMATE.start_main_~x~4 84) (<= 84 ULTIMATE.start_main_~x~4)), 95169#(and (<= ULTIMATE.start_main_~x~4 87) (<= 87 ULTIMATE.start_main_~x~4)), 95168#(and (<= 86 ULTIMATE.start_main_~x~4) (<= ULTIMATE.start_main_~x~4 86)), 95171#(and (<= ULTIMATE.start_main_~x~4 89) (<= 89 ULTIMATE.start_main_~x~4)), 95170#(and (<= 88 ULTIMATE.start_main_~x~4) (<= ULTIMATE.start_main_~x~4 88)), 95173#(and (<= ULTIMATE.start_main_~x~4 91) (<= 91 ULTIMATE.start_main_~x~4)), 95172#(and (<= ULTIMATE.start_main_~x~4 90) (<= 90 ULTIMATE.start_main_~x~4)), 95175#(and (<= ULTIMATE.start_main_~x~4 93) (<= 93 ULTIMATE.start_main_~x~4)), 95174#(and (<= ULTIMATE.start_main_~x~4 92) (<= 92 ULTIMATE.start_main_~x~4)), 95177#(and (<= 95 ULTIMATE.start_main_~x~4) (<= ULTIMATE.start_main_~x~4 95)), 95176#(and (<= ULTIMATE.start_main_~x~4 94) (<= 94 ULTIMATE.start_main_~x~4)), 95179#(and (<= 97 ULTIMATE.start_main_~x~4) (<= ULTIMATE.start_main_~x~4 97)), 95178#(and (<= ULTIMATE.start_main_~x~4 96) (<= 96 ULTIMATE.start_main_~x~4)), 95181#(and (<= 99 ULTIMATE.start_main_~x~4) (<= ULTIMATE.start_main_~x~4 99)), 95180#(and (<= ULTIMATE.start_main_~x~4 98) (<= 98 ULTIMATE.start_main_~x~4)), 95183#(and (<= ULTIMATE.start_main_~x~4 101) (<= 101 ULTIMATE.start_main_~x~4)), 95182#(and (<= ULTIMATE.start_main_~x~4 100) (<= 100 ULTIMATE.start_main_~x~4)), 95185#(and (<= 103 ULTIMATE.start_main_~x~4) (<= ULTIMATE.start_main_~x~4 103)), 95184#(and (<= 102 ULTIMATE.start_main_~x~4) (<= ULTIMATE.start_main_~x~4 102)), 95187#(and (<= 105 ULTIMATE.start_main_~x~4) (<= ULTIMATE.start_main_~x~4 105)), 95186#(and (<= ULTIMATE.start_main_~x~4 104) (<= 104 ULTIMATE.start_main_~x~4)), 95189#(and (<= 107 ULTIMATE.start_main_~x~4) (<= ULTIMATE.start_main_~x~4 107)), 95188#(and (<= 106 ULTIMATE.start_main_~x~4) (<= ULTIMATE.start_main_~x~4 106)), 95191#(and (<= ULTIMATE.start_main_~x~4 109) (<= 109 ULTIMATE.start_main_~x~4)), 95190#(and (<= 108 ULTIMATE.start_main_~x~4) (<= ULTIMATE.start_main_~x~4 108)), 95193#(and (<= ULTIMATE.start_main_~x~4 111) (<= 111 ULTIMATE.start_main_~x~4)), 95192#(and (<= 110 ULTIMATE.start_main_~x~4) (<= ULTIMATE.start_main_~x~4 110)), 95195#(and (<= 113 ULTIMATE.start_main_~x~4) (<= ULTIMATE.start_main_~x~4 113)), 95194#(and (<= ULTIMATE.start_main_~x~4 112) (<= 112 ULTIMATE.start_main_~x~4)), 95197#(and (<= ULTIMATE.start_main_~x~4 115) (<= 115 ULTIMATE.start_main_~x~4)), 95196#(and (<= ULTIMATE.start_main_~x~4 114) (<= 114 ULTIMATE.start_main_~x~4)), 95199#(and (<= ULTIMATE.start_main_~x~4 117) (<= 117 ULTIMATE.start_main_~x~4)), 95198#(and (<= ULTIMATE.start_main_~x~4 116) (<= 116 ULTIMATE.start_main_~x~4)), 95201#(and (<= 119 ULTIMATE.start_main_~x~4) (<= ULTIMATE.start_main_~x~4 119)), 95200#(and (<= 118 ULTIMATE.start_main_~x~4) (<= ULTIMATE.start_main_~x~4 118)), 95203#(and (<= 121 ULTIMATE.start_main_~x~4) (<= ULTIMATE.start_main_~x~4 121)), 95202#(and (<= 120 ULTIMATE.start_main_~x~4) (<= ULTIMATE.start_main_~x~4 120)), 95205#(and (<= ULTIMATE.start_main_~x~4 123) (<= 123 ULTIMATE.start_main_~x~4)), 95204#(and (<= 122 ULTIMATE.start_main_~x~4) (<= ULTIMATE.start_main_~x~4 122)), 95207#(and (<= 125 ULTIMATE.start_main_~x~4) (<= ULTIMATE.start_main_~x~4 125)), 95206#(and (<= ULTIMATE.start_main_~x~4 124) (<= 124 ULTIMATE.start_main_~x~4)), 95209#(and (<= ULTIMATE.start_main_~x~4 127) (<= 127 ULTIMATE.start_main_~x~4)), 95208#(and (<= 126 ULTIMATE.start_main_~x~4) (<= ULTIMATE.start_main_~x~4 126)), 95211#(and (<= 129 ULTIMATE.start_main_~x~4) (<= ULTIMATE.start_main_~x~4 129)), 95210#(and (<= 128 ULTIMATE.start_main_~x~4) (<= ULTIMATE.start_main_~x~4 128)), 95213#(and (<= 131 ULTIMATE.start_main_~x~4) (<= ULTIMATE.start_main_~x~4 131)), 95212#(and (<= ULTIMATE.start_main_~x~4 130) (<= 130 ULTIMATE.start_main_~x~4)), 95215#(and (<= ULTIMATE.start_main_~x~4 133) (<= 133 ULTIMATE.start_main_~x~4)), 95214#(and (<= 132 ULTIMATE.start_main_~x~4) (<= ULTIMATE.start_main_~x~4 132)), 95217#(and (<= 135 ULTIMATE.start_main_~x~4) (<= ULTIMATE.start_main_~x~4 135)), 95216#(and (<= 134 ULTIMATE.start_main_~x~4) (<= ULTIMATE.start_main_~x~4 134)), 95219#(and (<= 137 ULTIMATE.start_main_~x~4) (<= ULTIMATE.start_main_~x~4 137)), 95218#(and (<= ULTIMATE.start_main_~x~4 136) (<= 136 ULTIMATE.start_main_~x~4)), 95221#(and (<= 139 ULTIMATE.start_main_~x~4) (<= ULTIMATE.start_main_~x~4 139)), 95220#(and (<= 138 ULTIMATE.start_main_~x~4) (<= ULTIMATE.start_main_~x~4 138)), 95223#(and (<= 141 ULTIMATE.start_main_~x~4) (<= ULTIMATE.start_main_~x~4 141)), 95222#(and (<= 140 ULTIMATE.start_main_~x~4) (<= ULTIMATE.start_main_~x~4 140)), 95224#(and (<= 142 ULTIMATE.start_main_~x~4) (<= ULTIMATE.start_main_~x~4 142))] [2018-07-23 13:52:18,036 INFO L134 CoverageAnalysis]: Checked inductivity of 20306 backedges. 0 proven. 20306 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-07-23 13:52:18,036 INFO L450 AbstractCegarLoop]: Interpolant automaton has 145 states [2018-07-23 13:52:18,036 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 145 interpolants. [2018-07-23 13:52:18,037 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=287, Invalid=20593, Unknown=0, NotChecked=0, Total=20880 [2018-07-23 13:52:18,037 INFO L87 Difference]: Start difference. First operand 289 states and 289 transitions. Second operand 145 states. [2018-07-23 13:52:19,523 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-07-23 13:52:19,524 INFO L93 Difference]: Finished difference Result 293 states and 293 transitions. [2018-07-23 13:52:19,524 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 145 states. [2018-07-23 13:52:19,524 INFO L78 Accepts]: Start accepts. Automaton has 145 states. Word has length 288 [2018-07-23 13:52:19,524 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-07-23 13:52:19,524 INFO L225 Difference]: With dead ends: 293 [2018-07-23 13:52:19,525 INFO L226 Difference]: Without dead ends: 291 [2018-07-23 13:52:19,525 INFO L575 BasicCegarLoop]: 0 DeclaredPredicates, 144 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 143 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.8s TimeCoverageRelationStatistics Valid=287, Invalid=20593, Unknown=0, NotChecked=0, Total=20880 [2018-07-23 13:52:19,525 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 291 states. [2018-07-23 13:52:19,532 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 291 to 291. [2018-07-23 13:52:19,532 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 291 states. [2018-07-23 13:52:19,533 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 291 states to 291 states and 291 transitions. [2018-07-23 13:52:19,533 INFO L78 Accepts]: Start accepts. Automaton has 291 states and 291 transitions. Word has length 288 [2018-07-23 13:52:19,533 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-07-23 13:52:19,533 INFO L471 AbstractCegarLoop]: Abstraction has 291 states and 291 transitions. [2018-07-23 13:52:19,533 INFO L472 AbstractCegarLoop]: Interpolant automaton has 145 states. [2018-07-23 13:52:19,533 INFO L276 IsEmpty]: Start isEmpty. Operand 291 states and 291 transitions. [2018-07-23 13:52:19,534 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 291 [2018-07-23 13:52:19,534 INFO L349 BasicCegarLoop]: Found error trace [2018-07-23 13:52:19,534 INFO L357 BasicCegarLoop]: trace histogram [144, 143, 1, 1, 1] [2018-07-23 13:52:19,534 INFO L414 AbstractCegarLoop]: === Iteration 144 === [ULTIMATE.startErr0AssertViolationASSERT]=== [2018-07-23 13:52:19,534 INFO L82 PathProgramCache]: Analyzing trace with hash 2110879789, now seen corresponding path program 143 times [2018-07-23 13:52:19,534 INFO L69 tionRefinementEngine]: Using refinement strategy FixedRefinementStrategy [2018-07-23 13:52:19,832 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-07-23 13:52:20,910 INFO L134 CoverageAnalysis]: Checked inductivity of 20592 backedges. 0 proven. 20592 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-07-23 13:52:20,911 INFO L309 seRefinementStrategy]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2018-07-23 13:52:20,911 INFO L324 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [145] total 145 [2018-07-23 13:52:20,911 INFO L142 lantAutomatonBuilder]: Constructing canonical interpolant automaton, with selfloop in false state [2018-07-23 13:52:20,911 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-07-23 13:52:20,911 INFO L185 omatonBuilderFactory]: Interpolants [96513#(and (<= 118 ULTIMATE.start_main_~x~4) (<= ULTIMATE.start_main_~x~4 118)), 96512#(and (<= ULTIMATE.start_main_~x~4 117) (<= 117 ULTIMATE.start_main_~x~4)), 96515#(and (<= 120 ULTIMATE.start_main_~x~4) (<= ULTIMATE.start_main_~x~4 120)), 96514#(and (<= 119 ULTIMATE.start_main_~x~4) (<= ULTIMATE.start_main_~x~4 119)), 96517#(and (<= 122 ULTIMATE.start_main_~x~4) (<= ULTIMATE.start_main_~x~4 122)), 96516#(and (<= 121 ULTIMATE.start_main_~x~4) (<= ULTIMATE.start_main_~x~4 121)), 96519#(and (<= ULTIMATE.start_main_~x~4 124) (<= 124 ULTIMATE.start_main_~x~4)), 96518#(and (<= ULTIMATE.start_main_~x~4 123) (<= 123 ULTIMATE.start_main_~x~4)), 96521#(and (<= 126 ULTIMATE.start_main_~x~4) (<= ULTIMATE.start_main_~x~4 126)), 96520#(and (<= 125 ULTIMATE.start_main_~x~4) (<= ULTIMATE.start_main_~x~4 125)), 96523#(and (<= 128 ULTIMATE.start_main_~x~4) (<= ULTIMATE.start_main_~x~4 128)), 96522#(and (<= ULTIMATE.start_main_~x~4 127) (<= 127 ULTIMATE.start_main_~x~4)), 96525#(and (<= ULTIMATE.start_main_~x~4 130) (<= 130 ULTIMATE.start_main_~x~4)), 96524#(and (<= 129 ULTIMATE.start_main_~x~4) (<= ULTIMATE.start_main_~x~4 129)), 96527#(and (<= 132 ULTIMATE.start_main_~x~4) (<= ULTIMATE.start_main_~x~4 132)), 96526#(and (<= 131 ULTIMATE.start_main_~x~4) (<= ULTIMATE.start_main_~x~4 131)), 96529#(and (<= 134 ULTIMATE.start_main_~x~4) (<= ULTIMATE.start_main_~x~4 134)), 96528#(and (<= ULTIMATE.start_main_~x~4 133) (<= 133 ULTIMATE.start_main_~x~4)), 96531#(and (<= ULTIMATE.start_main_~x~4 136) (<= 136 ULTIMATE.start_main_~x~4)), 96530#(and (<= 135 ULTIMATE.start_main_~x~4) (<= ULTIMATE.start_main_~x~4 135)), 96533#(and (<= 138 ULTIMATE.start_main_~x~4) (<= ULTIMATE.start_main_~x~4 138)), 96532#(and (<= 137 ULTIMATE.start_main_~x~4) (<= ULTIMATE.start_main_~x~4 137)), 96535#(and (<= 140 ULTIMATE.start_main_~x~4) (<= ULTIMATE.start_main_~x~4 140)), 96534#(and (<= 139 ULTIMATE.start_main_~x~4) (<= ULTIMATE.start_main_~x~4 139)), 96537#(and (<= 142 ULTIMATE.start_main_~x~4) (<= ULTIMATE.start_main_~x~4 142)), 96536#(and (<= 141 ULTIMATE.start_main_~x~4) (<= ULTIMATE.start_main_~x~4 141)), 96538#(and (<= ULTIMATE.start_main_~x~4 143) (<= 143 ULTIMATE.start_main_~x~4)), 96393#true, 96395#(and (<= ULTIMATE.start_main_~x~4 0) (<= 0 ULTIMATE.start_main_~x~4)), 96394#false, 96397#(and (<= 2 ULTIMATE.start_main_~x~4) (<= ULTIMATE.start_main_~x~4 2)), 96396#(and (<= ULTIMATE.start_main_~x~4 1) (<= 1 ULTIMATE.start_main_~x~4)), 96399#(and (<= ULTIMATE.start_main_~x~4 4) (<= 4 ULTIMATE.start_main_~x~4)), 96398#(and (<= 3 ULTIMATE.start_main_~x~4) (<= ULTIMATE.start_main_~x~4 3)), 96401#(and (<= 6 ULTIMATE.start_main_~x~4) (<= ULTIMATE.start_main_~x~4 6)), 96400#(and (<= ULTIMATE.start_main_~x~4 5) (<= 5 ULTIMATE.start_main_~x~4)), 96403#(and (<= ULTIMATE.start_main_~x~4 8) (<= 8 ULTIMATE.start_main_~x~4)), 96402#(and (<= ULTIMATE.start_main_~x~4 7) (<= 7 ULTIMATE.start_main_~x~4)), 96405#(and (<= ULTIMATE.start_main_~x~4 10) (<= 10 ULTIMATE.start_main_~x~4)), 96404#(and (<= 9 ULTIMATE.start_main_~x~4) (<= ULTIMATE.start_main_~x~4 9)), 96407#(and (<= 12 ULTIMATE.start_main_~x~4) (<= ULTIMATE.start_main_~x~4 12)), 96406#(and (<= ULTIMATE.start_main_~x~4 11) (<= 11 ULTIMATE.start_main_~x~4)), 96409#(and (<= 14 ULTIMATE.start_main_~x~4) (<= ULTIMATE.start_main_~x~4 14)), 96408#(and (<= ULTIMATE.start_main_~x~4 13) (<= 13 ULTIMATE.start_main_~x~4)), 96411#(and (<= ULTIMATE.start_main_~x~4 16) (<= 16 ULTIMATE.start_main_~x~4)), 96410#(and (<= 15 ULTIMATE.start_main_~x~4) (<= ULTIMATE.start_main_~x~4 15)), 96413#(and (<= 18 ULTIMATE.start_main_~x~4) (<= ULTIMATE.start_main_~x~4 18)), 96412#(and (<= ULTIMATE.start_main_~x~4 17) (<= 17 ULTIMATE.start_main_~x~4)), 96415#(and (<= 20 ULTIMATE.start_main_~x~4) (<= ULTIMATE.start_main_~x~4 20)), 96414#(and (<= 19 ULTIMATE.start_main_~x~4) (<= ULTIMATE.start_main_~x~4 19)), 96417#(and (<= ULTIMATE.start_main_~x~4 22) (<= 22 ULTIMATE.start_main_~x~4)), 96416#(and (<= ULTIMATE.start_main_~x~4 21) (<= 21 ULTIMATE.start_main_~x~4)), 96419#(and (<= ULTIMATE.start_main_~x~4 24) (<= 24 ULTIMATE.start_main_~x~4)), 96418#(and (<= ULTIMATE.start_main_~x~4 23) (<= 23 ULTIMATE.start_main_~x~4)), 96421#(and (<= ULTIMATE.start_main_~x~4 26) (<= 26 ULTIMATE.start_main_~x~4)), 96420#(and (<= ULTIMATE.start_main_~x~4 25) (<= 25 ULTIMATE.start_main_~x~4)), 96423#(and (<= ULTIMATE.start_main_~x~4 28) (<= 28 ULTIMATE.start_main_~x~4)), 96422#(and (<= ULTIMATE.start_main_~x~4 27) (<= 27 ULTIMATE.start_main_~x~4)), 96425#(and (<= ULTIMATE.start_main_~x~4 30) (<= 30 ULTIMATE.start_main_~x~4)), 96424#(and (<= 29 ULTIMATE.start_main_~x~4) (<= ULTIMATE.start_main_~x~4 29)), 96427#(and (<= ULTIMATE.start_main_~x~4 32) (<= 32 ULTIMATE.start_main_~x~4)), 96426#(and (<= ULTIMATE.start_main_~x~4 31) (<= 31 ULTIMATE.start_main_~x~4)), 96429#(and (<= 34 ULTIMATE.start_main_~x~4) (<= ULTIMATE.start_main_~x~4 34)), 96428#(and (<= ULTIMATE.start_main_~x~4 33) (<= 33 ULTIMATE.start_main_~x~4)), 96431#(and (<= 36 ULTIMATE.start_main_~x~4) (<= ULTIMATE.start_main_~x~4 36)), 96430#(and (<= ULTIMATE.start_main_~x~4 35) (<= 35 ULTIMATE.start_main_~x~4)), 96433#(and (<= 38 ULTIMATE.start_main_~x~4) (<= ULTIMATE.start_main_~x~4 38)), 96432#(and (<= ULTIMATE.start_main_~x~4 37) (<= 37 ULTIMATE.start_main_~x~4)), 96435#(and (<= ULTIMATE.start_main_~x~4 40) (<= 40 ULTIMATE.start_main_~x~4)), 96434#(and (<= ULTIMATE.start_main_~x~4 39) (<= 39 ULTIMATE.start_main_~x~4)), 96437#(and (<= ULTIMATE.start_main_~x~4 42) (<= 42 ULTIMATE.start_main_~x~4)), 96436#(and (<= ULTIMATE.start_main_~x~4 41) (<= 41 ULTIMATE.start_main_~x~4)), 96439#(and (<= 44 ULTIMATE.start_main_~x~4) (<= ULTIMATE.start_main_~x~4 44)), 96438#(and (<= ULTIMATE.start_main_~x~4 43) (<= 43 ULTIMATE.start_main_~x~4)), 96441#(and (<= ULTIMATE.start_main_~x~4 46) (<= 46 ULTIMATE.start_main_~x~4)), 96440#(and (<= 45 ULTIMATE.start_main_~x~4) (<= ULTIMATE.start_main_~x~4 45)), 96443#(and (<= 48 ULTIMATE.start_main_~x~4) (<= ULTIMATE.start_main_~x~4 48)), 96442#(and (<= 47 ULTIMATE.start_main_~x~4) (<= ULTIMATE.start_main_~x~4 47)), 96445#(and (<= ULTIMATE.start_main_~x~4 50) (<= 50 ULTIMATE.start_main_~x~4)), 96444#(and (<= 49 ULTIMATE.start_main_~x~4) (<= ULTIMATE.start_main_~x~4 49)), 96447#(and (<= ULTIMATE.start_main_~x~4 52) (<= 52 ULTIMATE.start_main_~x~4)), 96446#(and (<= 51 ULTIMATE.start_main_~x~4) (<= ULTIMATE.start_main_~x~4 51)), 96449#(and (<= ULTIMATE.start_main_~x~4 54) (<= 54 ULTIMATE.start_main_~x~4)), 96448#(and (<= 53 ULTIMATE.start_main_~x~4) (<= ULTIMATE.start_main_~x~4 53)), 96451#(and (<= 56 ULTIMATE.start_main_~x~4) (<= ULTIMATE.start_main_~x~4 56)), 96450#(and (<= 55 ULTIMATE.start_main_~x~4) (<= ULTIMATE.start_main_~x~4 55)), 96453#(and (<= 58 ULTIMATE.start_main_~x~4) (<= ULTIMATE.start_main_~x~4 58)), 96452#(and (<= 57 ULTIMATE.start_main_~x~4) (<= ULTIMATE.start_main_~x~4 57)), 96455#(and (<= 60 ULTIMATE.start_main_~x~4) (<= ULTIMATE.start_main_~x~4 60)), 96454#(and (<= ULTIMATE.start_main_~x~4 59) (<= 59 ULTIMATE.start_main_~x~4)), 96457#(and (<= ULTIMATE.start_main_~x~4 62) (<= 62 ULTIMATE.start_main_~x~4)), 96456#(and (<= 61 ULTIMATE.start_main_~x~4) (<= ULTIMATE.start_main_~x~4 61)), 96459#(and (<= ULTIMATE.start_main_~x~4 64) (<= 64 ULTIMATE.start_main_~x~4)), 96458#(and (<= 63 ULTIMATE.start_main_~x~4) (<= ULTIMATE.start_main_~x~4 63)), 96461#(and (<= 66 ULTIMATE.start_main_~x~4) (<= ULTIMATE.start_main_~x~4 66)), 96460#(and (<= 65 ULTIMATE.start_main_~x~4) (<= ULTIMATE.start_main_~x~4 65)), 96463#(and (<= ULTIMATE.start_main_~x~4 68) (<= 68 ULTIMATE.start_main_~x~4)), 96462#(and (<= 67 ULTIMATE.start_main_~x~4) (<= ULTIMATE.start_main_~x~4 67)), 96465#(and (<= ULTIMATE.start_main_~x~4 70) (<= 70 ULTIMATE.start_main_~x~4)), 96464#(and (<= 69 ULTIMATE.start_main_~x~4) (<= ULTIMATE.start_main_~x~4 69)), 96467#(and (<= 72 ULTIMATE.start_main_~x~4) (<= ULTIMATE.start_main_~x~4 72)), 96466#(and (<= 71 ULTIMATE.start_main_~x~4) (<= ULTIMATE.start_main_~x~4 71)), 96469#(and (<= 74 ULTIMATE.start_main_~x~4) (<= ULTIMATE.start_main_~x~4 74)), 96468#(and (<= ULTIMATE.start_main_~x~4 73) (<= 73 ULTIMATE.start_main_~x~4)), 96471#(and (<= ULTIMATE.start_main_~x~4 76) (<= 76 ULTIMATE.start_main_~x~4)), 96470#(and (<= ULTIMATE.start_main_~x~4 75) (<= 75 ULTIMATE.start_main_~x~4)), 96473#(and (<= ULTIMATE.start_main_~x~4 78) (<= 78 ULTIMATE.start_main_~x~4)), 96472#(and (<= ULTIMATE.start_main_~x~4 77) (<= 77 ULTIMATE.start_main_~x~4)), 96475#(and (<= ULTIMATE.start_main_~x~4 80) (<= 80 ULTIMATE.start_main_~x~4)), 96474#(and (<= 79 ULTIMATE.start_main_~x~4) (<= ULTIMATE.start_main_~x~4 79)), 96477#(and (<= ULTIMATE.start_main_~x~4 82) (<= 82 ULTIMATE.start_main_~x~4)), 96476#(and (<= ULTIMATE.start_main_~x~4 81) (<= 81 ULTIMATE.start_main_~x~4)), 96479#(and (<= ULTIMATE.start_main_~x~4 84) (<= 84 ULTIMATE.start_main_~x~4)), 96478#(and (<= 83 ULTIMATE.start_main_~x~4) (<= ULTIMATE.start_main_~x~4 83)), 96481#(and (<= 86 ULTIMATE.start_main_~x~4) (<= ULTIMATE.start_main_~x~4 86)), 96480#(and (<= 85 ULTIMATE.start_main_~x~4) (<= ULTIMATE.start_main_~x~4 85)), 96483#(and (<= 88 ULTIMATE.start_main_~x~4) (<= ULTIMATE.start_main_~x~4 88)), 96482#(and (<= ULTIMATE.start_main_~x~4 87) (<= 87 ULTIMATE.start_main_~x~4)), 96485#(and (<= ULTIMATE.start_main_~x~4 90) (<= 90 ULTIMATE.start_main_~x~4)), 96484#(and (<= ULTIMATE.start_main_~x~4 89) (<= 89 ULTIMATE.start_main_~x~4)), 96487#(and (<= ULTIMATE.start_main_~x~4 92) (<= 92 ULTIMATE.start_main_~x~4)), 96486#(and (<= ULTIMATE.start_main_~x~4 91) (<= 91 ULTIMATE.start_main_~x~4)), 96489#(and (<= ULTIMATE.start_main_~x~4 94) (<= 94 ULTIMATE.start_main_~x~4)), 96488#(and (<= ULTIMATE.start_main_~x~4 93) (<= 93 ULTIMATE.start_main_~x~4)), 96491#(and (<= ULTIMATE.start_main_~x~4 96) (<= 96 ULTIMATE.start_main_~x~4)), 96490#(and (<= 95 ULTIMATE.start_main_~x~4) (<= ULTIMATE.start_main_~x~4 95)), 96493#(and (<= ULTIMATE.start_main_~x~4 98) (<= 98 ULTIMATE.start_main_~x~4)), 96492#(and (<= 97 ULTIMATE.start_main_~x~4) (<= ULTIMATE.start_main_~x~4 97)), 96495#(and (<= ULTIMATE.start_main_~x~4 100) (<= 100 ULTIMATE.start_main_~x~4)), 96494#(and (<= 99 ULTIMATE.start_main_~x~4) (<= ULTIMATE.start_main_~x~4 99)), 96497#(and (<= 102 ULTIMATE.start_main_~x~4) (<= ULTIMATE.start_main_~x~4 102)), 96496#(and (<= ULTIMATE.start_main_~x~4 101) (<= 101 ULTIMATE.start_main_~x~4)), 96499#(and (<= ULTIMATE.start_main_~x~4 104) (<= 104 ULTIMATE.start_main_~x~4)), 96498#(and (<= 103 ULTIMATE.start_main_~x~4) (<= ULTIMATE.start_main_~x~4 103)), 96501#(and (<= 106 ULTIMATE.start_main_~x~4) (<= ULTIMATE.start_main_~x~4 106)), 96500#(and (<= 105 ULTIMATE.start_main_~x~4) (<= ULTIMATE.start_main_~x~4 105)), 96503#(and (<= 108 ULTIMATE.start_main_~x~4) (<= ULTIMATE.start_main_~x~4 108)), 96502#(and (<= 107 ULTIMATE.start_main_~x~4) (<= ULTIMATE.start_main_~x~4 107)), 96505#(and (<= 110 ULTIMATE.start_main_~x~4) (<= ULTIMATE.start_main_~x~4 110)), 96504#(and (<= ULTIMATE.start_main_~x~4 109) (<= 109 ULTIMATE.start_main_~x~4)), 96507#(and (<= ULTIMATE.start_main_~x~4 112) (<= 112 ULTIMATE.start_main_~x~4)), 96506#(and (<= ULTIMATE.start_main_~x~4 111) (<= 111 ULTIMATE.start_main_~x~4)), 96509#(and (<= ULTIMATE.start_main_~x~4 114) (<= 114 ULTIMATE.start_main_~x~4)), 96508#(and (<= 113 ULTIMATE.start_main_~x~4) (<= ULTIMATE.start_main_~x~4 113)), 96511#(and (<= ULTIMATE.start_main_~x~4 116) (<= 116 ULTIMATE.start_main_~x~4)), 96510#(and (<= ULTIMATE.start_main_~x~4 115) (<= 115 ULTIMATE.start_main_~x~4))] [2018-07-23 13:52:20,913 INFO L134 CoverageAnalysis]: Checked inductivity of 20592 backedges. 0 proven. 20592 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-07-23 13:52:20,913 INFO L450 AbstractCegarLoop]: Interpolant automaton has 146 states [2018-07-23 13:52:20,913 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 146 interpolants. [2018-07-23 13:52:20,914 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=289, Invalid=20881, Unknown=0, NotChecked=0, Total=21170 [2018-07-23 13:52:20,914 INFO L87 Difference]: Start difference. First operand 291 states and 291 transitions. Second operand 146 states. [2018-07-23 13:52:22,415 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-07-23 13:52:22,415 INFO L93 Difference]: Finished difference Result 295 states and 295 transitions. [2018-07-23 13:52:22,415 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 146 states. [2018-07-23 13:52:22,415 INFO L78 Accepts]: Start accepts. Automaton has 146 states. Word has length 290 [2018-07-23 13:52:22,416 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-07-23 13:52:22,416 INFO L225 Difference]: With dead ends: 295 [2018-07-23 13:52:22,416 INFO L226 Difference]: Without dead ends: 293 [2018-07-23 13:52:22,418 INFO L575 BasicCegarLoop]: 0 DeclaredPredicates, 145 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 144 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.8s TimeCoverageRelationStatistics Valid=289, Invalid=20881, Unknown=0, NotChecked=0, Total=21170 [2018-07-23 13:52:22,418 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 293 states. [2018-07-23 13:52:22,425 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 293 to 293. [2018-07-23 13:52:22,425 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 293 states. [2018-07-23 13:52:22,426 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 293 states to 293 states and 293 transitions. [2018-07-23 13:52:22,426 INFO L78 Accepts]: Start accepts. Automaton has 293 states and 293 transitions. Word has length 290 [2018-07-23 13:52:22,426 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-07-23 13:52:22,426 INFO L471 AbstractCegarLoop]: Abstraction has 293 states and 293 transitions. [2018-07-23 13:52:22,426 INFO L472 AbstractCegarLoop]: Interpolant automaton has 146 states. [2018-07-23 13:52:22,426 INFO L276 IsEmpty]: Start isEmpty. Operand 293 states and 293 transitions. [2018-07-23 13:52:22,427 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 293 [2018-07-23 13:52:22,427 INFO L349 BasicCegarLoop]: Found error trace [2018-07-23 13:52:22,427 INFO L357 BasicCegarLoop]: trace histogram [145, 144, 1, 1, 1] [2018-07-23 13:52:22,427 INFO L414 AbstractCegarLoop]: === Iteration 145 === [ULTIMATE.startErr0AssertViolationASSERT]=== [2018-07-23 13:52:22,427 INFO L82 PathProgramCache]: Analyzing trace with hash 1330965607, now seen corresponding path program 144 times [2018-07-23 13:52:22,427 INFO L69 tionRefinementEngine]: Using refinement strategy FixedRefinementStrategy [2018-07-23 13:52:22,723 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-07-23 13:52:23,831 INFO L134 CoverageAnalysis]: Checked inductivity of 20880 backedges. 0 proven. 20880 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-07-23 13:52:23,832 INFO L309 seRefinementStrategy]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2018-07-23 13:52:23,832 INFO L324 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [146] total 146 [2018-07-23 13:52:23,832 INFO L142 lantAutomatonBuilder]: Constructing canonical interpolant automaton, with selfloop in false state [2018-07-23 13:52:23,832 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-07-23 13:52:23,833 INFO L185 omatonBuilderFactory]: Interpolants [97793#(and (<= ULTIMATE.start_main_~x~4 76) (<= 76 ULTIMATE.start_main_~x~4)), 97792#(and (<= ULTIMATE.start_main_~x~4 75) (<= 75 ULTIMATE.start_main_~x~4)), 97795#(and (<= ULTIMATE.start_main_~x~4 78) (<= 78 ULTIMATE.start_main_~x~4)), 97794#(and (<= ULTIMATE.start_main_~x~4 77) (<= 77 ULTIMATE.start_main_~x~4)), 97797#(and (<= ULTIMATE.start_main_~x~4 80) (<= 80 ULTIMATE.start_main_~x~4)), 97796#(and (<= 79 ULTIMATE.start_main_~x~4) (<= ULTIMATE.start_main_~x~4 79)), 97799#(and (<= ULTIMATE.start_main_~x~4 82) (<= 82 ULTIMATE.start_main_~x~4)), 97798#(and (<= ULTIMATE.start_main_~x~4 81) (<= 81 ULTIMATE.start_main_~x~4)), 97801#(and (<= ULTIMATE.start_main_~x~4 84) (<= 84 ULTIMATE.start_main_~x~4)), 97800#(and (<= 83 ULTIMATE.start_main_~x~4) (<= ULTIMATE.start_main_~x~4 83)), 97803#(and (<= 86 ULTIMATE.start_main_~x~4) (<= ULTIMATE.start_main_~x~4 86)), 97802#(and (<= 85 ULTIMATE.start_main_~x~4) (<= ULTIMATE.start_main_~x~4 85)), 97805#(and (<= 88 ULTIMATE.start_main_~x~4) (<= ULTIMATE.start_main_~x~4 88)), 97804#(and (<= ULTIMATE.start_main_~x~4 87) (<= 87 ULTIMATE.start_main_~x~4)), 97807#(and (<= ULTIMATE.start_main_~x~4 90) (<= 90 ULTIMATE.start_main_~x~4)), 97806#(and (<= ULTIMATE.start_main_~x~4 89) (<= 89 ULTIMATE.start_main_~x~4)), 97809#(and (<= ULTIMATE.start_main_~x~4 92) (<= 92 ULTIMATE.start_main_~x~4)), 97808#(and (<= ULTIMATE.start_main_~x~4 91) (<= 91 ULTIMATE.start_main_~x~4)), 97811#(and (<= ULTIMATE.start_main_~x~4 94) (<= 94 ULTIMATE.start_main_~x~4)), 97810#(and (<= ULTIMATE.start_main_~x~4 93) (<= 93 ULTIMATE.start_main_~x~4)), 97813#(and (<= ULTIMATE.start_main_~x~4 96) (<= 96 ULTIMATE.start_main_~x~4)), 97812#(and (<= 95 ULTIMATE.start_main_~x~4) (<= ULTIMATE.start_main_~x~4 95)), 97815#(and (<= ULTIMATE.start_main_~x~4 98) (<= 98 ULTIMATE.start_main_~x~4)), 97814#(and (<= 97 ULTIMATE.start_main_~x~4) (<= ULTIMATE.start_main_~x~4 97)), 97817#(and (<= ULTIMATE.start_main_~x~4 100) (<= 100 ULTIMATE.start_main_~x~4)), 97816#(and (<= 99 ULTIMATE.start_main_~x~4) (<= ULTIMATE.start_main_~x~4 99)), 97819#(and (<= 102 ULTIMATE.start_main_~x~4) (<= ULTIMATE.start_main_~x~4 102)), 97818#(and (<= ULTIMATE.start_main_~x~4 101) (<= 101 ULTIMATE.start_main_~x~4)), 97821#(and (<= ULTIMATE.start_main_~x~4 104) (<= 104 ULTIMATE.start_main_~x~4)), 97820#(and (<= 103 ULTIMATE.start_main_~x~4) (<= ULTIMATE.start_main_~x~4 103)), 97823#(and (<= 106 ULTIMATE.start_main_~x~4) (<= ULTIMATE.start_main_~x~4 106)), 97822#(and (<= 105 ULTIMATE.start_main_~x~4) (<= ULTIMATE.start_main_~x~4 105)), 97825#(and (<= 108 ULTIMATE.start_main_~x~4) (<= ULTIMATE.start_main_~x~4 108)), 97824#(and (<= 107 ULTIMATE.start_main_~x~4) (<= ULTIMATE.start_main_~x~4 107)), 97827#(and (<= 110 ULTIMATE.start_main_~x~4) (<= ULTIMATE.start_main_~x~4 110)), 97826#(and (<= ULTIMATE.start_main_~x~4 109) (<= 109 ULTIMATE.start_main_~x~4)), 97829#(and (<= ULTIMATE.start_main_~x~4 112) (<= 112 ULTIMATE.start_main_~x~4)), 97828#(and (<= ULTIMATE.start_main_~x~4 111) (<= 111 ULTIMATE.start_main_~x~4)), 97831#(and (<= ULTIMATE.start_main_~x~4 114) (<= 114 ULTIMATE.start_main_~x~4)), 97830#(and (<= 113 ULTIMATE.start_main_~x~4) (<= ULTIMATE.start_main_~x~4 113)), 97833#(and (<= ULTIMATE.start_main_~x~4 116) (<= 116 ULTIMATE.start_main_~x~4)), 97832#(and (<= ULTIMATE.start_main_~x~4 115) (<= 115 ULTIMATE.start_main_~x~4)), 97835#(and (<= 118 ULTIMATE.start_main_~x~4) (<= ULTIMATE.start_main_~x~4 118)), 97834#(and (<= ULTIMATE.start_main_~x~4 117) (<= 117 ULTIMATE.start_main_~x~4)), 97837#(and (<= 120 ULTIMATE.start_main_~x~4) (<= ULTIMATE.start_main_~x~4 120)), 97836#(and (<= 119 ULTIMATE.start_main_~x~4) (<= ULTIMATE.start_main_~x~4 119)), 97839#(and (<= 122 ULTIMATE.start_main_~x~4) (<= ULTIMATE.start_main_~x~4 122)), 97838#(and (<= 121 ULTIMATE.start_main_~x~4) (<= ULTIMATE.start_main_~x~4 121)), 97841#(and (<= ULTIMATE.start_main_~x~4 124) (<= 124 ULTIMATE.start_main_~x~4)), 97840#(and (<= ULTIMATE.start_main_~x~4 123) (<= 123 ULTIMATE.start_main_~x~4)), 97843#(and (<= 126 ULTIMATE.start_main_~x~4) (<= ULTIMATE.start_main_~x~4 126)), 97842#(and (<= 125 ULTIMATE.start_main_~x~4) (<= ULTIMATE.start_main_~x~4 125)), 97845#(and (<= 128 ULTIMATE.start_main_~x~4) (<= ULTIMATE.start_main_~x~4 128)), 97844#(and (<= ULTIMATE.start_main_~x~4 127) (<= 127 ULTIMATE.start_main_~x~4)), 97847#(and (<= ULTIMATE.start_main_~x~4 130) (<= 130 ULTIMATE.start_main_~x~4)), 97846#(and (<= 129 ULTIMATE.start_main_~x~4) (<= ULTIMATE.start_main_~x~4 129)), 97849#(and (<= 132 ULTIMATE.start_main_~x~4) (<= ULTIMATE.start_main_~x~4 132)), 97848#(and (<= 131 ULTIMATE.start_main_~x~4) (<= ULTIMATE.start_main_~x~4 131)), 97851#(and (<= 134 ULTIMATE.start_main_~x~4) (<= ULTIMATE.start_main_~x~4 134)), 97850#(and (<= ULTIMATE.start_main_~x~4 133) (<= 133 ULTIMATE.start_main_~x~4)), 97853#(and (<= ULTIMATE.start_main_~x~4 136) (<= 136 ULTIMATE.start_main_~x~4)), 97852#(and (<= 135 ULTIMATE.start_main_~x~4) (<= ULTIMATE.start_main_~x~4 135)), 97855#(and (<= 138 ULTIMATE.start_main_~x~4) (<= ULTIMATE.start_main_~x~4 138)), 97854#(and (<= 137 ULTIMATE.start_main_~x~4) (<= ULTIMATE.start_main_~x~4 137)), 97857#(and (<= 140 ULTIMATE.start_main_~x~4) (<= ULTIMATE.start_main_~x~4 140)), 97856#(and (<= 139 ULTIMATE.start_main_~x~4) (<= ULTIMATE.start_main_~x~4 139)), 97859#(and (<= 142 ULTIMATE.start_main_~x~4) (<= ULTIMATE.start_main_~x~4 142)), 97858#(and (<= 141 ULTIMATE.start_main_~x~4) (<= ULTIMATE.start_main_~x~4 141)), 97861#(and (<= ULTIMATE.start_main_~x~4 144) (<= 144 ULTIMATE.start_main_~x~4)), 97860#(and (<= ULTIMATE.start_main_~x~4 143) (<= 143 ULTIMATE.start_main_~x~4)), 97715#true, 97717#(and (<= ULTIMATE.start_main_~x~4 0) (<= 0 ULTIMATE.start_main_~x~4)), 97716#false, 97719#(and (<= 2 ULTIMATE.start_main_~x~4) (<= ULTIMATE.start_main_~x~4 2)), 97718#(and (<= ULTIMATE.start_main_~x~4 1) (<= 1 ULTIMATE.start_main_~x~4)), 97721#(and (<= ULTIMATE.start_main_~x~4 4) (<= 4 ULTIMATE.start_main_~x~4)), 97720#(and (<= 3 ULTIMATE.start_main_~x~4) (<= ULTIMATE.start_main_~x~4 3)), 97723#(and (<= 6 ULTIMATE.start_main_~x~4) (<= ULTIMATE.start_main_~x~4 6)), 97722#(and (<= ULTIMATE.start_main_~x~4 5) (<= 5 ULTIMATE.start_main_~x~4)), 97725#(and (<= ULTIMATE.start_main_~x~4 8) (<= 8 ULTIMATE.start_main_~x~4)), 97724#(and (<= ULTIMATE.start_main_~x~4 7) (<= 7 ULTIMATE.start_main_~x~4)), 97727#(and (<= ULTIMATE.start_main_~x~4 10) (<= 10 ULTIMATE.start_main_~x~4)), 97726#(and (<= 9 ULTIMATE.start_main_~x~4) (<= ULTIMATE.start_main_~x~4 9)), 97729#(and (<= 12 ULTIMATE.start_main_~x~4) (<= ULTIMATE.start_main_~x~4 12)), 97728#(and (<= ULTIMATE.start_main_~x~4 11) (<= 11 ULTIMATE.start_main_~x~4)), 97731#(and (<= 14 ULTIMATE.start_main_~x~4) (<= ULTIMATE.start_main_~x~4 14)), 97730#(and (<= ULTIMATE.start_main_~x~4 13) (<= 13 ULTIMATE.start_main_~x~4)), 97733#(and (<= ULTIMATE.start_main_~x~4 16) (<= 16 ULTIMATE.start_main_~x~4)), 97732#(and (<= 15 ULTIMATE.start_main_~x~4) (<= ULTIMATE.start_main_~x~4 15)), 97735#(and (<= 18 ULTIMATE.start_main_~x~4) (<= ULTIMATE.start_main_~x~4 18)), 97734#(and (<= ULTIMATE.start_main_~x~4 17) (<= 17 ULTIMATE.start_main_~x~4)), 97737#(and (<= 20 ULTIMATE.start_main_~x~4) (<= ULTIMATE.start_main_~x~4 20)), 97736#(and (<= 19 ULTIMATE.start_main_~x~4) (<= ULTIMATE.start_main_~x~4 19)), 97739#(and (<= ULTIMATE.start_main_~x~4 22) (<= 22 ULTIMATE.start_main_~x~4)), 97738#(and (<= ULTIMATE.start_main_~x~4 21) (<= 21 ULTIMATE.start_main_~x~4)), 97741#(and (<= ULTIMATE.start_main_~x~4 24) (<= 24 ULTIMATE.start_main_~x~4)), 97740#(and (<= ULTIMATE.start_main_~x~4 23) (<= 23 ULTIMATE.start_main_~x~4)), 97743#(and (<= ULTIMATE.start_main_~x~4 26) (<= 26 ULTIMATE.start_main_~x~4)), 97742#(and (<= ULTIMATE.start_main_~x~4 25) (<= 25 ULTIMATE.start_main_~x~4)), 97745#(and (<= ULTIMATE.start_main_~x~4 28) (<= 28 ULTIMATE.start_main_~x~4)), 97744#(and (<= ULTIMATE.start_main_~x~4 27) (<= 27 ULTIMATE.start_main_~x~4)), 97747#(and (<= ULTIMATE.start_main_~x~4 30) (<= 30 ULTIMATE.start_main_~x~4)), 97746#(and (<= 29 ULTIMATE.start_main_~x~4) (<= ULTIMATE.start_main_~x~4 29)), 97749#(and (<= ULTIMATE.start_main_~x~4 32) (<= 32 ULTIMATE.start_main_~x~4)), 97748#(and (<= ULTIMATE.start_main_~x~4 31) (<= 31 ULTIMATE.start_main_~x~4)), 97751#(and (<= 34 ULTIMATE.start_main_~x~4) (<= ULTIMATE.start_main_~x~4 34)), 97750#(and (<= ULTIMATE.start_main_~x~4 33) (<= 33 ULTIMATE.start_main_~x~4)), 97753#(and (<= 36 ULTIMATE.start_main_~x~4) (<= ULTIMATE.start_main_~x~4 36)), 97752#(and (<= ULTIMATE.start_main_~x~4 35) (<= 35 ULTIMATE.start_main_~x~4)), 97755#(and (<= 38 ULTIMATE.start_main_~x~4) (<= ULTIMATE.start_main_~x~4 38)), 97754#(and (<= ULTIMATE.start_main_~x~4 37) (<= 37 ULTIMATE.start_main_~x~4)), 97757#(and (<= ULTIMATE.start_main_~x~4 40) (<= 40 ULTIMATE.start_main_~x~4)), 97756#(and (<= ULTIMATE.start_main_~x~4 39) (<= 39 ULTIMATE.start_main_~x~4)), 97759#(and (<= ULTIMATE.start_main_~x~4 42) (<= 42 ULTIMATE.start_main_~x~4)), 97758#(and (<= ULTIMATE.start_main_~x~4 41) (<= 41 ULTIMATE.start_main_~x~4)), 97761#(and (<= 44 ULTIMATE.start_main_~x~4) (<= ULTIMATE.start_main_~x~4 44)), 97760#(and (<= ULTIMATE.start_main_~x~4 43) (<= 43 ULTIMATE.start_main_~x~4)), 97763#(and (<= ULTIMATE.start_main_~x~4 46) (<= 46 ULTIMATE.start_main_~x~4)), 97762#(and (<= 45 ULTIMATE.start_main_~x~4) (<= ULTIMATE.start_main_~x~4 45)), 97765#(and (<= 48 ULTIMATE.start_main_~x~4) (<= ULTIMATE.start_main_~x~4 48)), 97764#(and (<= 47 ULTIMATE.start_main_~x~4) (<= ULTIMATE.start_main_~x~4 47)), 97767#(and (<= ULTIMATE.start_main_~x~4 50) (<= 50 ULTIMATE.start_main_~x~4)), 97766#(and (<= 49 ULTIMATE.start_main_~x~4) (<= ULTIMATE.start_main_~x~4 49)), 97769#(and (<= ULTIMATE.start_main_~x~4 52) (<= 52 ULTIMATE.start_main_~x~4)), 97768#(and (<= 51 ULTIMATE.start_main_~x~4) (<= ULTIMATE.start_main_~x~4 51)), 97771#(and (<= ULTIMATE.start_main_~x~4 54) (<= 54 ULTIMATE.start_main_~x~4)), 97770#(and (<= 53 ULTIMATE.start_main_~x~4) (<= ULTIMATE.start_main_~x~4 53)), 97773#(and (<= 56 ULTIMATE.start_main_~x~4) (<= ULTIMATE.start_main_~x~4 56)), 97772#(and (<= 55 ULTIMATE.start_main_~x~4) (<= ULTIMATE.start_main_~x~4 55)), 97775#(and (<= 58 ULTIMATE.start_main_~x~4) (<= ULTIMATE.start_main_~x~4 58)), 97774#(and (<= 57 ULTIMATE.start_main_~x~4) (<= ULTIMATE.start_main_~x~4 57)), 97777#(and (<= 60 ULTIMATE.start_main_~x~4) (<= ULTIMATE.start_main_~x~4 60)), 97776#(and (<= ULTIMATE.start_main_~x~4 59) (<= 59 ULTIMATE.start_main_~x~4)), 97779#(and (<= ULTIMATE.start_main_~x~4 62) (<= 62 ULTIMATE.start_main_~x~4)), 97778#(and (<= 61 ULTIMATE.start_main_~x~4) (<= ULTIMATE.start_main_~x~4 61)), 97781#(and (<= ULTIMATE.start_main_~x~4 64) (<= 64 ULTIMATE.start_main_~x~4)), 97780#(and (<= 63 ULTIMATE.start_main_~x~4) (<= ULTIMATE.start_main_~x~4 63)), 97783#(and (<= 66 ULTIMATE.start_main_~x~4) (<= ULTIMATE.start_main_~x~4 66)), 97782#(and (<= 65 ULTIMATE.start_main_~x~4) (<= ULTIMATE.start_main_~x~4 65)), 97785#(and (<= ULTIMATE.start_main_~x~4 68) (<= 68 ULTIMATE.start_main_~x~4)), 97784#(and (<= 67 ULTIMATE.start_main_~x~4) (<= ULTIMATE.start_main_~x~4 67)), 97787#(and (<= ULTIMATE.start_main_~x~4 70) (<= 70 ULTIMATE.start_main_~x~4)), 97786#(and (<= 69 ULTIMATE.start_main_~x~4) (<= ULTIMATE.start_main_~x~4 69)), 97789#(and (<= 72 ULTIMATE.start_main_~x~4) (<= ULTIMATE.start_main_~x~4 72)), 97788#(and (<= 71 ULTIMATE.start_main_~x~4) (<= ULTIMATE.start_main_~x~4 71)), 97791#(and (<= 74 ULTIMATE.start_main_~x~4) (<= ULTIMATE.start_main_~x~4 74)), 97790#(and (<= ULTIMATE.start_main_~x~4 73) (<= 73 ULTIMATE.start_main_~x~4))] [2018-07-23 13:52:23,834 INFO L134 CoverageAnalysis]: Checked inductivity of 20880 backedges. 0 proven. 20880 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-07-23 13:52:23,834 INFO L450 AbstractCegarLoop]: Interpolant automaton has 147 states [2018-07-23 13:52:23,834 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 147 interpolants. [2018-07-23 13:52:23,835 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=291, Invalid=21171, Unknown=0, NotChecked=0, Total=21462 [2018-07-23 13:52:23,835 INFO L87 Difference]: Start difference. First operand 293 states and 293 transitions. Second operand 147 states. [2018-07-23 13:52:25,350 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-07-23 13:52:25,350 INFO L93 Difference]: Finished difference Result 297 states and 297 transitions. [2018-07-23 13:52:25,350 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 147 states. [2018-07-23 13:52:25,350 INFO L78 Accepts]: Start accepts. Automaton has 147 states. Word has length 292 [2018-07-23 13:52:25,350 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-07-23 13:52:25,351 INFO L225 Difference]: With dead ends: 297 [2018-07-23 13:52:25,351 INFO L226 Difference]: Without dead ends: 295 [2018-07-23 13:52:25,352 INFO L575 BasicCegarLoop]: 0 DeclaredPredicates, 146 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 145 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.8s TimeCoverageRelationStatistics Valid=291, Invalid=21171, Unknown=0, NotChecked=0, Total=21462 [2018-07-23 13:52:25,353 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 295 states. [2018-07-23 13:52:25,360 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 295 to 295. [2018-07-23 13:52:25,360 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 295 states. [2018-07-23 13:52:25,360 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 295 states to 295 states and 295 transitions. [2018-07-23 13:52:25,360 INFO L78 Accepts]: Start accepts. Automaton has 295 states and 295 transitions. Word has length 292 [2018-07-23 13:52:25,360 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-07-23 13:52:25,361 INFO L471 AbstractCegarLoop]: Abstraction has 295 states and 295 transitions. [2018-07-23 13:52:25,361 INFO L472 AbstractCegarLoop]: Interpolant automaton has 147 states. [2018-07-23 13:52:25,361 INFO L276 IsEmpty]: Start isEmpty. Operand 295 states and 295 transitions. [2018-07-23 13:52:25,362 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 295 [2018-07-23 13:52:25,362 INFO L349 BasicCegarLoop]: Found error trace [2018-07-23 13:52:25,362 INFO L357 BasicCegarLoop]: trace histogram [146, 145, 1, 1, 1] [2018-07-23 13:52:25,362 INFO L414 AbstractCegarLoop]: === Iteration 146 === [ULTIMATE.startErr0AssertViolationASSERT]=== [2018-07-23 13:52:25,362 INFO L82 PathProgramCache]: Analyzing trace with hash -842253791, now seen corresponding path program 145 times [2018-07-23 13:52:25,363 INFO L69 tionRefinementEngine]: Using refinement strategy FixedRefinementStrategy [2018-07-23 13:52:25,661 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-07-23 13:52:26,784 INFO L134 CoverageAnalysis]: Checked inductivity of 21170 backedges. 0 proven. 21170 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-07-23 13:52:26,784 INFO L309 seRefinementStrategy]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2018-07-23 13:52:26,784 INFO L324 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [147] total 147 [2018-07-23 13:52:26,784 INFO L142 lantAutomatonBuilder]: Constructing canonical interpolant automaton, with selfloop in false state [2018-07-23 13:52:26,785 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-07-23 13:52:26,785 INFO L185 omatonBuilderFactory]: Interpolants [99073#(and (<= ULTIMATE.start_main_~x~4 25) (<= 25 ULTIMATE.start_main_~x~4)), 99072#(and (<= ULTIMATE.start_main_~x~4 24) (<= 24 ULTIMATE.start_main_~x~4)), 99075#(and (<= ULTIMATE.start_main_~x~4 27) (<= 27 ULTIMATE.start_main_~x~4)), 99074#(and (<= ULTIMATE.start_main_~x~4 26) (<= 26 ULTIMATE.start_main_~x~4)), 99077#(and (<= 29 ULTIMATE.start_main_~x~4) (<= ULTIMATE.start_main_~x~4 29)), 99076#(and (<= ULTIMATE.start_main_~x~4 28) (<= 28 ULTIMATE.start_main_~x~4)), 99079#(and (<= ULTIMATE.start_main_~x~4 31) (<= 31 ULTIMATE.start_main_~x~4)), 99078#(and (<= ULTIMATE.start_main_~x~4 30) (<= 30 ULTIMATE.start_main_~x~4)), 99081#(and (<= ULTIMATE.start_main_~x~4 33) (<= 33 ULTIMATE.start_main_~x~4)), 99080#(and (<= ULTIMATE.start_main_~x~4 32) (<= 32 ULTIMATE.start_main_~x~4)), 99083#(and (<= ULTIMATE.start_main_~x~4 35) (<= 35 ULTIMATE.start_main_~x~4)), 99082#(and (<= 34 ULTIMATE.start_main_~x~4) (<= ULTIMATE.start_main_~x~4 34)), 99085#(and (<= ULTIMATE.start_main_~x~4 37) (<= 37 ULTIMATE.start_main_~x~4)), 99084#(and (<= 36 ULTIMATE.start_main_~x~4) (<= ULTIMATE.start_main_~x~4 36)), 99087#(and (<= ULTIMATE.start_main_~x~4 39) (<= 39 ULTIMATE.start_main_~x~4)), 99086#(and (<= 38 ULTIMATE.start_main_~x~4) (<= ULTIMATE.start_main_~x~4 38)), 99089#(and (<= ULTIMATE.start_main_~x~4 41) (<= 41 ULTIMATE.start_main_~x~4)), 99088#(and (<= ULTIMATE.start_main_~x~4 40) (<= 40 ULTIMATE.start_main_~x~4)), 99091#(and (<= ULTIMATE.start_main_~x~4 43) (<= 43 ULTIMATE.start_main_~x~4)), 99090#(and (<= ULTIMATE.start_main_~x~4 42) (<= 42 ULTIMATE.start_main_~x~4)), 99093#(and (<= 45 ULTIMATE.start_main_~x~4) (<= ULTIMATE.start_main_~x~4 45)), 99092#(and (<= 44 ULTIMATE.start_main_~x~4) (<= ULTIMATE.start_main_~x~4 44)), 99095#(and (<= 47 ULTIMATE.start_main_~x~4) (<= ULTIMATE.start_main_~x~4 47)), 99094#(and (<= ULTIMATE.start_main_~x~4 46) (<= 46 ULTIMATE.start_main_~x~4)), 99097#(and (<= 49 ULTIMATE.start_main_~x~4) (<= ULTIMATE.start_main_~x~4 49)), 99096#(and (<= 48 ULTIMATE.start_main_~x~4) (<= ULTIMATE.start_main_~x~4 48)), 99099#(and (<= 51 ULTIMATE.start_main_~x~4) (<= ULTIMATE.start_main_~x~4 51)), 99098#(and (<= ULTIMATE.start_main_~x~4 50) (<= 50 ULTIMATE.start_main_~x~4)), 99101#(and (<= 53 ULTIMATE.start_main_~x~4) (<= ULTIMATE.start_main_~x~4 53)), 99100#(and (<= ULTIMATE.start_main_~x~4 52) (<= 52 ULTIMATE.start_main_~x~4)), 99103#(and (<= 55 ULTIMATE.start_main_~x~4) (<= ULTIMATE.start_main_~x~4 55)), 99102#(and (<= ULTIMATE.start_main_~x~4 54) (<= 54 ULTIMATE.start_main_~x~4)), 99105#(and (<= 57 ULTIMATE.start_main_~x~4) (<= ULTIMATE.start_main_~x~4 57)), 99104#(and (<= 56 ULTIMATE.start_main_~x~4) (<= ULTIMATE.start_main_~x~4 56)), 99107#(and (<= ULTIMATE.start_main_~x~4 59) (<= 59 ULTIMATE.start_main_~x~4)), 99106#(and (<= 58 ULTIMATE.start_main_~x~4) (<= ULTIMATE.start_main_~x~4 58)), 99109#(and (<= 61 ULTIMATE.start_main_~x~4) (<= ULTIMATE.start_main_~x~4 61)), 99108#(and (<= 60 ULTIMATE.start_main_~x~4) (<= ULTIMATE.start_main_~x~4 60)), 99111#(and (<= 63 ULTIMATE.start_main_~x~4) (<= ULTIMATE.start_main_~x~4 63)), 99110#(and (<= ULTIMATE.start_main_~x~4 62) (<= 62 ULTIMATE.start_main_~x~4)), 99113#(and (<= 65 ULTIMATE.start_main_~x~4) (<= ULTIMATE.start_main_~x~4 65)), 99112#(and (<= ULTIMATE.start_main_~x~4 64) (<= 64 ULTIMATE.start_main_~x~4)), 99115#(and (<= 67 ULTIMATE.start_main_~x~4) (<= ULTIMATE.start_main_~x~4 67)), 99114#(and (<= 66 ULTIMATE.start_main_~x~4) (<= ULTIMATE.start_main_~x~4 66)), 99117#(and (<= 69 ULTIMATE.start_main_~x~4) (<= ULTIMATE.start_main_~x~4 69)), 99116#(and (<= ULTIMATE.start_main_~x~4 68) (<= 68 ULTIMATE.start_main_~x~4)), 99119#(and (<= 71 ULTIMATE.start_main_~x~4) (<= ULTIMATE.start_main_~x~4 71)), 99118#(and (<= ULTIMATE.start_main_~x~4 70) (<= 70 ULTIMATE.start_main_~x~4)), 99121#(and (<= ULTIMATE.start_main_~x~4 73) (<= 73 ULTIMATE.start_main_~x~4)), 99120#(and (<= 72 ULTIMATE.start_main_~x~4) (<= ULTIMATE.start_main_~x~4 72)), 99123#(and (<= ULTIMATE.start_main_~x~4 75) (<= 75 ULTIMATE.start_main_~x~4)), 99122#(and (<= 74 ULTIMATE.start_main_~x~4) (<= ULTIMATE.start_main_~x~4 74)), 99125#(and (<= ULTIMATE.start_main_~x~4 77) (<= 77 ULTIMATE.start_main_~x~4)), 99124#(and (<= ULTIMATE.start_main_~x~4 76) (<= 76 ULTIMATE.start_main_~x~4)), 99127#(and (<= 79 ULTIMATE.start_main_~x~4) (<= ULTIMATE.start_main_~x~4 79)), 99126#(and (<= ULTIMATE.start_main_~x~4 78) (<= 78 ULTIMATE.start_main_~x~4)), 99129#(and (<= ULTIMATE.start_main_~x~4 81) (<= 81 ULTIMATE.start_main_~x~4)), 99128#(and (<= ULTIMATE.start_main_~x~4 80) (<= 80 ULTIMATE.start_main_~x~4)), 99131#(and (<= 83 ULTIMATE.start_main_~x~4) (<= ULTIMATE.start_main_~x~4 83)), 99130#(and (<= ULTIMATE.start_main_~x~4 82) (<= 82 ULTIMATE.start_main_~x~4)), 99133#(and (<= 85 ULTIMATE.start_main_~x~4) (<= ULTIMATE.start_main_~x~4 85)), 99132#(and (<= ULTIMATE.start_main_~x~4 84) (<= 84 ULTIMATE.start_main_~x~4)), 99135#(and (<= ULTIMATE.start_main_~x~4 87) (<= 87 ULTIMATE.start_main_~x~4)), 99134#(and (<= 86 ULTIMATE.start_main_~x~4) (<= ULTIMATE.start_main_~x~4 86)), 99137#(and (<= ULTIMATE.start_main_~x~4 89) (<= 89 ULTIMATE.start_main_~x~4)), 99136#(and (<= 88 ULTIMATE.start_main_~x~4) (<= ULTIMATE.start_main_~x~4 88)), 99139#(and (<= ULTIMATE.start_main_~x~4 91) (<= 91 ULTIMATE.start_main_~x~4)), 99138#(and (<= ULTIMATE.start_main_~x~4 90) (<= 90 ULTIMATE.start_main_~x~4)), 99141#(and (<= ULTIMATE.start_main_~x~4 93) (<= 93 ULTIMATE.start_main_~x~4)), 99140#(and (<= ULTIMATE.start_main_~x~4 92) (<= 92 ULTIMATE.start_main_~x~4)), 99143#(and (<= 95 ULTIMATE.start_main_~x~4) (<= ULTIMATE.start_main_~x~4 95)), 99142#(and (<= ULTIMATE.start_main_~x~4 94) (<= 94 ULTIMATE.start_main_~x~4)), 99145#(and (<= 97 ULTIMATE.start_main_~x~4) (<= ULTIMATE.start_main_~x~4 97)), 99144#(and (<= ULTIMATE.start_main_~x~4 96) (<= 96 ULTIMATE.start_main_~x~4)), 99147#(and (<= 99 ULTIMATE.start_main_~x~4) (<= ULTIMATE.start_main_~x~4 99)), 99146#(and (<= ULTIMATE.start_main_~x~4 98) (<= 98 ULTIMATE.start_main_~x~4)), 99149#(and (<= ULTIMATE.start_main_~x~4 101) (<= 101 ULTIMATE.start_main_~x~4)), 99148#(and (<= ULTIMATE.start_main_~x~4 100) (<= 100 ULTIMATE.start_main_~x~4)), 99151#(and (<= 103 ULTIMATE.start_main_~x~4) (<= ULTIMATE.start_main_~x~4 103)), 99150#(and (<= 102 ULTIMATE.start_main_~x~4) (<= ULTIMATE.start_main_~x~4 102)), 99153#(and (<= 105 ULTIMATE.start_main_~x~4) (<= ULTIMATE.start_main_~x~4 105)), 99152#(and (<= ULTIMATE.start_main_~x~4 104) (<= 104 ULTIMATE.start_main_~x~4)), 99155#(and (<= 107 ULTIMATE.start_main_~x~4) (<= ULTIMATE.start_main_~x~4 107)), 99154#(and (<= 106 ULTIMATE.start_main_~x~4) (<= ULTIMATE.start_main_~x~4 106)), 99157#(and (<= ULTIMATE.start_main_~x~4 109) (<= 109 ULTIMATE.start_main_~x~4)), 99156#(and (<= 108 ULTIMATE.start_main_~x~4) (<= ULTIMATE.start_main_~x~4 108)), 99159#(and (<= ULTIMATE.start_main_~x~4 111) (<= 111 ULTIMATE.start_main_~x~4)), 99158#(and (<= 110 ULTIMATE.start_main_~x~4) (<= ULTIMATE.start_main_~x~4 110)), 99161#(and (<= 113 ULTIMATE.start_main_~x~4) (<= ULTIMATE.start_main_~x~4 113)), 99160#(and (<= ULTIMATE.start_main_~x~4 112) (<= 112 ULTIMATE.start_main_~x~4)), 99163#(and (<= ULTIMATE.start_main_~x~4 115) (<= 115 ULTIMATE.start_main_~x~4)), 99162#(and (<= ULTIMATE.start_main_~x~4 114) (<= 114 ULTIMATE.start_main_~x~4)), 99165#(and (<= ULTIMATE.start_main_~x~4 117) (<= 117 ULTIMATE.start_main_~x~4)), 99164#(and (<= ULTIMATE.start_main_~x~4 116) (<= 116 ULTIMATE.start_main_~x~4)), 99167#(and (<= 119 ULTIMATE.start_main_~x~4) (<= ULTIMATE.start_main_~x~4 119)), 99166#(and (<= 118 ULTIMATE.start_main_~x~4) (<= ULTIMATE.start_main_~x~4 118)), 99169#(and (<= 121 ULTIMATE.start_main_~x~4) (<= ULTIMATE.start_main_~x~4 121)), 99168#(and (<= 120 ULTIMATE.start_main_~x~4) (<= ULTIMATE.start_main_~x~4 120)), 99171#(and (<= ULTIMATE.start_main_~x~4 123) (<= 123 ULTIMATE.start_main_~x~4)), 99170#(and (<= 122 ULTIMATE.start_main_~x~4) (<= ULTIMATE.start_main_~x~4 122)), 99173#(and (<= 125 ULTIMATE.start_main_~x~4) (<= ULTIMATE.start_main_~x~4 125)), 99172#(and (<= ULTIMATE.start_main_~x~4 124) (<= 124 ULTIMATE.start_main_~x~4)), 99175#(and (<= ULTIMATE.start_main_~x~4 127) (<= 127 ULTIMATE.start_main_~x~4)), 99174#(and (<= 126 ULTIMATE.start_main_~x~4) (<= ULTIMATE.start_main_~x~4 126)), 99177#(and (<= 129 ULTIMATE.start_main_~x~4) (<= ULTIMATE.start_main_~x~4 129)), 99176#(and (<= 128 ULTIMATE.start_main_~x~4) (<= ULTIMATE.start_main_~x~4 128)), 99179#(and (<= 131 ULTIMATE.start_main_~x~4) (<= ULTIMATE.start_main_~x~4 131)), 99178#(and (<= ULTIMATE.start_main_~x~4 130) (<= 130 ULTIMATE.start_main_~x~4)), 99181#(and (<= ULTIMATE.start_main_~x~4 133) (<= 133 ULTIMATE.start_main_~x~4)), 99180#(and (<= 132 ULTIMATE.start_main_~x~4) (<= ULTIMATE.start_main_~x~4 132)), 99183#(and (<= 135 ULTIMATE.start_main_~x~4) (<= ULTIMATE.start_main_~x~4 135)), 99182#(and (<= 134 ULTIMATE.start_main_~x~4) (<= ULTIMATE.start_main_~x~4 134)), 99185#(and (<= 137 ULTIMATE.start_main_~x~4) (<= ULTIMATE.start_main_~x~4 137)), 99184#(and (<= ULTIMATE.start_main_~x~4 136) (<= 136 ULTIMATE.start_main_~x~4)), 99187#(and (<= 139 ULTIMATE.start_main_~x~4) (<= ULTIMATE.start_main_~x~4 139)), 99186#(and (<= 138 ULTIMATE.start_main_~x~4) (<= ULTIMATE.start_main_~x~4 138)), 99189#(and (<= 141 ULTIMATE.start_main_~x~4) (<= ULTIMATE.start_main_~x~4 141)), 99188#(and (<= 140 ULTIMATE.start_main_~x~4) (<= ULTIMATE.start_main_~x~4 140)), 99191#(and (<= ULTIMATE.start_main_~x~4 143) (<= 143 ULTIMATE.start_main_~x~4)), 99190#(and (<= 142 ULTIMATE.start_main_~x~4) (<= ULTIMATE.start_main_~x~4 142)), 99193#(and (<= ULTIMATE.start_main_~x~4 145) (<= 145 ULTIMATE.start_main_~x~4)), 99192#(and (<= ULTIMATE.start_main_~x~4 144) (<= 144 ULTIMATE.start_main_~x~4)), 99047#false, 99046#true, 99049#(and (<= ULTIMATE.start_main_~x~4 1) (<= 1 ULTIMATE.start_main_~x~4)), 99048#(and (<= ULTIMATE.start_main_~x~4 0) (<= 0 ULTIMATE.start_main_~x~4)), 99051#(and (<= 3 ULTIMATE.start_main_~x~4) (<= ULTIMATE.start_main_~x~4 3)), 99050#(and (<= 2 ULTIMATE.start_main_~x~4) (<= ULTIMATE.start_main_~x~4 2)), 99053#(and (<= ULTIMATE.start_main_~x~4 5) (<= 5 ULTIMATE.start_main_~x~4)), 99052#(and (<= ULTIMATE.start_main_~x~4 4) (<= 4 ULTIMATE.start_main_~x~4)), 99055#(and (<= ULTIMATE.start_main_~x~4 7) (<= 7 ULTIMATE.start_main_~x~4)), 99054#(and (<= 6 ULTIMATE.start_main_~x~4) (<= ULTIMATE.start_main_~x~4 6)), 99057#(and (<= 9 ULTIMATE.start_main_~x~4) (<= ULTIMATE.start_main_~x~4 9)), 99056#(and (<= ULTIMATE.start_main_~x~4 8) (<= 8 ULTIMATE.start_main_~x~4)), 99059#(and (<= ULTIMATE.start_main_~x~4 11) (<= 11 ULTIMATE.start_main_~x~4)), 99058#(and (<= ULTIMATE.start_main_~x~4 10) (<= 10 ULTIMATE.start_main_~x~4)), 99061#(and (<= ULTIMATE.start_main_~x~4 13) (<= 13 ULTIMATE.start_main_~x~4)), 99060#(and (<= 12 ULTIMATE.start_main_~x~4) (<= ULTIMATE.start_main_~x~4 12)), 99063#(and (<= 15 ULTIMATE.start_main_~x~4) (<= ULTIMATE.start_main_~x~4 15)), 99062#(and (<= 14 ULTIMATE.start_main_~x~4) (<= ULTIMATE.start_main_~x~4 14)), 99065#(and (<= ULTIMATE.start_main_~x~4 17) (<= 17 ULTIMATE.start_main_~x~4)), 99064#(and (<= ULTIMATE.start_main_~x~4 16) (<= 16 ULTIMATE.start_main_~x~4)), 99067#(and (<= 19 ULTIMATE.start_main_~x~4) (<= ULTIMATE.start_main_~x~4 19)), 99066#(and (<= 18 ULTIMATE.start_main_~x~4) (<= ULTIMATE.start_main_~x~4 18)), 99069#(and (<= ULTIMATE.start_main_~x~4 21) (<= 21 ULTIMATE.start_main_~x~4)), 99068#(and (<= 20 ULTIMATE.start_main_~x~4) (<= ULTIMATE.start_main_~x~4 20)), 99071#(and (<= ULTIMATE.start_main_~x~4 23) (<= 23 ULTIMATE.start_main_~x~4)), 99070#(and (<= ULTIMATE.start_main_~x~4 22) (<= 22 ULTIMATE.start_main_~x~4))] [2018-07-23 13:52:26,786 INFO L134 CoverageAnalysis]: Checked inductivity of 21170 backedges. 0 proven. 21170 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-07-23 13:52:26,786 INFO L450 AbstractCegarLoop]: Interpolant automaton has 148 states [2018-07-23 13:52:26,786 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 148 interpolants. [2018-07-23 13:52:26,787 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=293, Invalid=21463, Unknown=0, NotChecked=0, Total=21756 [2018-07-23 13:52:26,787 INFO L87 Difference]: Start difference. First operand 295 states and 295 transitions. Second operand 148 states. [2018-07-23 13:52:28,282 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-07-23 13:52:28,283 INFO L93 Difference]: Finished difference Result 299 states and 299 transitions. [2018-07-23 13:52:28,283 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 148 states. [2018-07-23 13:52:28,283 INFO L78 Accepts]: Start accepts. Automaton has 148 states. Word has length 294 [2018-07-23 13:52:28,283 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-07-23 13:52:28,284 INFO L225 Difference]: With dead ends: 299 [2018-07-23 13:52:28,284 INFO L226 Difference]: Without dead ends: 297 [2018-07-23 13:52:28,285 INFO L575 BasicCegarLoop]: 0 DeclaredPredicates, 147 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 146 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.8s TimeCoverageRelationStatistics Valid=293, Invalid=21463, Unknown=0, NotChecked=0, Total=21756 [2018-07-23 13:52:28,285 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 297 states. [2018-07-23 13:52:28,292 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 297 to 297. [2018-07-23 13:52:28,292 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 297 states. [2018-07-23 13:52:28,292 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 297 states to 297 states and 297 transitions. [2018-07-23 13:52:28,292 INFO L78 Accepts]: Start accepts. Automaton has 297 states and 297 transitions. Word has length 294 [2018-07-23 13:52:28,292 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-07-23 13:52:28,292 INFO L471 AbstractCegarLoop]: Abstraction has 297 states and 297 transitions. [2018-07-23 13:52:28,292 INFO L472 AbstractCegarLoop]: Interpolant automaton has 148 states. [2018-07-23 13:52:28,293 INFO L276 IsEmpty]: Start isEmpty. Operand 297 states and 297 transitions. [2018-07-23 13:52:28,293 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 297 [2018-07-23 13:52:28,293 INFO L349 BasicCegarLoop]: Found error trace [2018-07-23 13:52:28,293 INFO L357 BasicCegarLoop]: trace histogram [147, 146, 1, 1, 1] [2018-07-23 13:52:28,294 INFO L414 AbstractCegarLoop]: === Iteration 147 === [ULTIMATE.startErr0AssertViolationASSERT]=== [2018-07-23 13:52:28,294 INFO L82 PathProgramCache]: Analyzing trace with hash -1951989413, now seen corresponding path program 146 times [2018-07-23 13:52:28,294 INFO L69 tionRefinementEngine]: Using refinement strategy FixedRefinementStrategy [2018-07-23 13:52:28,606 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-07-23 13:52:29,735 INFO L134 CoverageAnalysis]: Checked inductivity of 21462 backedges. 0 proven. 21462 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-07-23 13:52:29,735 INFO L309 seRefinementStrategy]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2018-07-23 13:52:29,736 INFO L324 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [148] total 148 [2018-07-23 13:52:29,736 INFO L142 lantAutomatonBuilder]: Constructing canonical interpolant automaton, with selfloop in false state [2018-07-23 13:52:29,736 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-07-23 13:52:29,736 INFO L185 omatonBuilderFactory]: Interpolants [100387#false, 100386#true, 100389#(and (<= ULTIMATE.start_main_~x~4 1) (<= 1 ULTIMATE.start_main_~x~4)), 100388#(and (<= ULTIMATE.start_main_~x~4 0) (<= 0 ULTIMATE.start_main_~x~4)), 100391#(and (<= 3 ULTIMATE.start_main_~x~4) (<= ULTIMATE.start_main_~x~4 3)), 100390#(and (<= 2 ULTIMATE.start_main_~x~4) (<= ULTIMATE.start_main_~x~4 2)), 100393#(and (<= ULTIMATE.start_main_~x~4 5) (<= 5 ULTIMATE.start_main_~x~4)), 100392#(and (<= ULTIMATE.start_main_~x~4 4) (<= 4 ULTIMATE.start_main_~x~4)), 100395#(and (<= ULTIMATE.start_main_~x~4 7) (<= 7 ULTIMATE.start_main_~x~4)), 100394#(and (<= 6 ULTIMATE.start_main_~x~4) (<= ULTIMATE.start_main_~x~4 6)), 100397#(and (<= 9 ULTIMATE.start_main_~x~4) (<= ULTIMATE.start_main_~x~4 9)), 100396#(and (<= ULTIMATE.start_main_~x~4 8) (<= 8 ULTIMATE.start_main_~x~4)), 100399#(and (<= ULTIMATE.start_main_~x~4 11) (<= 11 ULTIMATE.start_main_~x~4)), 100398#(and (<= ULTIMATE.start_main_~x~4 10) (<= 10 ULTIMATE.start_main_~x~4)), 100401#(and (<= ULTIMATE.start_main_~x~4 13) (<= 13 ULTIMATE.start_main_~x~4)), 100400#(and (<= 12 ULTIMATE.start_main_~x~4) (<= ULTIMATE.start_main_~x~4 12)), 100403#(and (<= 15 ULTIMATE.start_main_~x~4) (<= ULTIMATE.start_main_~x~4 15)), 100402#(and (<= 14 ULTIMATE.start_main_~x~4) (<= ULTIMATE.start_main_~x~4 14)), 100405#(and (<= ULTIMATE.start_main_~x~4 17) (<= 17 ULTIMATE.start_main_~x~4)), 100404#(and (<= ULTIMATE.start_main_~x~4 16) (<= 16 ULTIMATE.start_main_~x~4)), 100407#(and (<= 19 ULTIMATE.start_main_~x~4) (<= ULTIMATE.start_main_~x~4 19)), 100406#(and (<= 18 ULTIMATE.start_main_~x~4) (<= ULTIMATE.start_main_~x~4 18)), 100409#(and (<= ULTIMATE.start_main_~x~4 21) (<= 21 ULTIMATE.start_main_~x~4)), 100408#(and (<= 20 ULTIMATE.start_main_~x~4) (<= ULTIMATE.start_main_~x~4 20)), 100411#(and (<= ULTIMATE.start_main_~x~4 23) (<= 23 ULTIMATE.start_main_~x~4)), 100410#(and (<= ULTIMATE.start_main_~x~4 22) (<= 22 ULTIMATE.start_main_~x~4)), 100413#(and (<= ULTIMATE.start_main_~x~4 25) (<= 25 ULTIMATE.start_main_~x~4)), 100412#(and (<= ULTIMATE.start_main_~x~4 24) (<= 24 ULTIMATE.start_main_~x~4)), 100415#(and (<= ULTIMATE.start_main_~x~4 27) (<= 27 ULTIMATE.start_main_~x~4)), 100414#(and (<= ULTIMATE.start_main_~x~4 26) (<= 26 ULTIMATE.start_main_~x~4)), 100417#(and (<= 29 ULTIMATE.start_main_~x~4) (<= ULTIMATE.start_main_~x~4 29)), 100416#(and (<= ULTIMATE.start_main_~x~4 28) (<= 28 ULTIMATE.start_main_~x~4)), 100419#(and (<= ULTIMATE.start_main_~x~4 31) (<= 31 ULTIMATE.start_main_~x~4)), 100418#(and (<= ULTIMATE.start_main_~x~4 30) (<= 30 ULTIMATE.start_main_~x~4)), 100421#(and (<= ULTIMATE.start_main_~x~4 33) (<= 33 ULTIMATE.start_main_~x~4)), 100420#(and (<= ULTIMATE.start_main_~x~4 32) (<= 32 ULTIMATE.start_main_~x~4)), 100423#(and (<= ULTIMATE.start_main_~x~4 35) (<= 35 ULTIMATE.start_main_~x~4)), 100422#(and (<= 34 ULTIMATE.start_main_~x~4) (<= ULTIMATE.start_main_~x~4 34)), 100425#(and (<= ULTIMATE.start_main_~x~4 37) (<= 37 ULTIMATE.start_main_~x~4)), 100424#(and (<= 36 ULTIMATE.start_main_~x~4) (<= ULTIMATE.start_main_~x~4 36)), 100427#(and (<= ULTIMATE.start_main_~x~4 39) (<= 39 ULTIMATE.start_main_~x~4)), 100426#(and (<= 38 ULTIMATE.start_main_~x~4) (<= ULTIMATE.start_main_~x~4 38)), 100429#(and (<= ULTIMATE.start_main_~x~4 41) (<= 41 ULTIMATE.start_main_~x~4)), 100428#(and (<= ULTIMATE.start_main_~x~4 40) (<= 40 ULTIMATE.start_main_~x~4)), 100431#(and (<= ULTIMATE.start_main_~x~4 43) (<= 43 ULTIMATE.start_main_~x~4)), 100430#(and (<= ULTIMATE.start_main_~x~4 42) (<= 42 ULTIMATE.start_main_~x~4)), 100433#(and (<= 45 ULTIMATE.start_main_~x~4) (<= ULTIMATE.start_main_~x~4 45)), 100432#(and (<= 44 ULTIMATE.start_main_~x~4) (<= ULTIMATE.start_main_~x~4 44)), 100435#(and (<= 47 ULTIMATE.start_main_~x~4) (<= ULTIMATE.start_main_~x~4 47)), 100434#(and (<= ULTIMATE.start_main_~x~4 46) (<= 46 ULTIMATE.start_main_~x~4)), 100437#(and (<= 49 ULTIMATE.start_main_~x~4) (<= ULTIMATE.start_main_~x~4 49)), 100436#(and (<= 48 ULTIMATE.start_main_~x~4) (<= ULTIMATE.start_main_~x~4 48)), 100439#(and (<= 51 ULTIMATE.start_main_~x~4) (<= ULTIMATE.start_main_~x~4 51)), 100438#(and (<= ULTIMATE.start_main_~x~4 50) (<= 50 ULTIMATE.start_main_~x~4)), 100441#(and (<= 53 ULTIMATE.start_main_~x~4) (<= ULTIMATE.start_main_~x~4 53)), 100440#(and (<= ULTIMATE.start_main_~x~4 52) (<= 52 ULTIMATE.start_main_~x~4)), 100443#(and (<= 55 ULTIMATE.start_main_~x~4) (<= ULTIMATE.start_main_~x~4 55)), 100442#(and (<= ULTIMATE.start_main_~x~4 54) (<= 54 ULTIMATE.start_main_~x~4)), 100445#(and (<= 57 ULTIMATE.start_main_~x~4) (<= ULTIMATE.start_main_~x~4 57)), 100444#(and (<= 56 ULTIMATE.start_main_~x~4) (<= ULTIMATE.start_main_~x~4 56)), 100447#(and (<= ULTIMATE.start_main_~x~4 59) (<= 59 ULTIMATE.start_main_~x~4)), 100446#(and (<= 58 ULTIMATE.start_main_~x~4) (<= ULTIMATE.start_main_~x~4 58)), 100449#(and (<= 61 ULTIMATE.start_main_~x~4) (<= ULTIMATE.start_main_~x~4 61)), 100448#(and (<= 60 ULTIMATE.start_main_~x~4) (<= ULTIMATE.start_main_~x~4 60)), 100451#(and (<= 63 ULTIMATE.start_main_~x~4) (<= ULTIMATE.start_main_~x~4 63)), 100450#(and (<= ULTIMATE.start_main_~x~4 62) (<= 62 ULTIMATE.start_main_~x~4)), 100453#(and (<= 65 ULTIMATE.start_main_~x~4) (<= ULTIMATE.start_main_~x~4 65)), 100452#(and (<= ULTIMATE.start_main_~x~4 64) (<= 64 ULTIMATE.start_main_~x~4)), 100455#(and (<= 67 ULTIMATE.start_main_~x~4) (<= ULTIMATE.start_main_~x~4 67)), 100454#(and (<= 66 ULTIMATE.start_main_~x~4) (<= ULTIMATE.start_main_~x~4 66)), 100457#(and (<= 69 ULTIMATE.start_main_~x~4) (<= ULTIMATE.start_main_~x~4 69)), 100456#(and (<= ULTIMATE.start_main_~x~4 68) (<= 68 ULTIMATE.start_main_~x~4)), 100459#(and (<= 71 ULTIMATE.start_main_~x~4) (<= ULTIMATE.start_main_~x~4 71)), 100458#(and (<= ULTIMATE.start_main_~x~4 70) (<= 70 ULTIMATE.start_main_~x~4)), 100461#(and (<= ULTIMATE.start_main_~x~4 73) (<= 73 ULTIMATE.start_main_~x~4)), 100460#(and (<= 72 ULTIMATE.start_main_~x~4) (<= ULTIMATE.start_main_~x~4 72)), 100463#(and (<= ULTIMATE.start_main_~x~4 75) (<= 75 ULTIMATE.start_main_~x~4)), 100462#(and (<= 74 ULTIMATE.start_main_~x~4) (<= ULTIMATE.start_main_~x~4 74)), 100465#(and (<= ULTIMATE.start_main_~x~4 77) (<= 77 ULTIMATE.start_main_~x~4)), 100464#(and (<= ULTIMATE.start_main_~x~4 76) (<= 76 ULTIMATE.start_main_~x~4)), 100467#(and (<= 79 ULTIMATE.start_main_~x~4) (<= ULTIMATE.start_main_~x~4 79)), 100466#(and (<= ULTIMATE.start_main_~x~4 78) (<= 78 ULTIMATE.start_main_~x~4)), 100469#(and (<= ULTIMATE.start_main_~x~4 81) (<= 81 ULTIMATE.start_main_~x~4)), 100468#(and (<= ULTIMATE.start_main_~x~4 80) (<= 80 ULTIMATE.start_main_~x~4)), 100471#(and (<= 83 ULTIMATE.start_main_~x~4) (<= ULTIMATE.start_main_~x~4 83)), 100470#(and (<= ULTIMATE.start_main_~x~4 82) (<= 82 ULTIMATE.start_main_~x~4)), 100473#(and (<= 85 ULTIMATE.start_main_~x~4) (<= ULTIMATE.start_main_~x~4 85)), 100472#(and (<= ULTIMATE.start_main_~x~4 84) (<= 84 ULTIMATE.start_main_~x~4)), 100475#(and (<= ULTIMATE.start_main_~x~4 87) (<= 87 ULTIMATE.start_main_~x~4)), 100474#(and (<= 86 ULTIMATE.start_main_~x~4) (<= ULTIMATE.start_main_~x~4 86)), 100477#(and (<= ULTIMATE.start_main_~x~4 89) (<= 89 ULTIMATE.start_main_~x~4)), 100476#(and (<= 88 ULTIMATE.start_main_~x~4) (<= ULTIMATE.start_main_~x~4 88)), 100479#(and (<= ULTIMATE.start_main_~x~4 91) (<= 91 ULTIMATE.start_main_~x~4)), 100478#(and (<= ULTIMATE.start_main_~x~4 90) (<= 90 ULTIMATE.start_main_~x~4)), 100481#(and (<= ULTIMATE.start_main_~x~4 93) (<= 93 ULTIMATE.start_main_~x~4)), 100480#(and (<= ULTIMATE.start_main_~x~4 92) (<= 92 ULTIMATE.start_main_~x~4)), 100483#(and (<= 95 ULTIMATE.start_main_~x~4) (<= ULTIMATE.start_main_~x~4 95)), 100482#(and (<= ULTIMATE.start_main_~x~4 94) (<= 94 ULTIMATE.start_main_~x~4)), 100485#(and (<= 97 ULTIMATE.start_main_~x~4) (<= ULTIMATE.start_main_~x~4 97)), 100484#(and (<= ULTIMATE.start_main_~x~4 96) (<= 96 ULTIMATE.start_main_~x~4)), 100487#(and (<= 99 ULTIMATE.start_main_~x~4) (<= ULTIMATE.start_main_~x~4 99)), 100486#(and (<= ULTIMATE.start_main_~x~4 98) (<= 98 ULTIMATE.start_main_~x~4)), 100489#(and (<= ULTIMATE.start_main_~x~4 101) (<= 101 ULTIMATE.start_main_~x~4)), 100488#(and (<= ULTIMATE.start_main_~x~4 100) (<= 100 ULTIMATE.start_main_~x~4)), 100491#(and (<= 103 ULTIMATE.start_main_~x~4) (<= ULTIMATE.start_main_~x~4 103)), 100490#(and (<= 102 ULTIMATE.start_main_~x~4) (<= ULTIMATE.start_main_~x~4 102)), 100493#(and (<= 105 ULTIMATE.start_main_~x~4) (<= ULTIMATE.start_main_~x~4 105)), 100492#(and (<= ULTIMATE.start_main_~x~4 104) (<= 104 ULTIMATE.start_main_~x~4)), 100495#(and (<= 107 ULTIMATE.start_main_~x~4) (<= ULTIMATE.start_main_~x~4 107)), 100494#(and (<= 106 ULTIMATE.start_main_~x~4) (<= ULTIMATE.start_main_~x~4 106)), 100497#(and (<= ULTIMATE.start_main_~x~4 109) (<= 109 ULTIMATE.start_main_~x~4)), 100496#(and (<= 108 ULTIMATE.start_main_~x~4) (<= ULTIMATE.start_main_~x~4 108)), 100499#(and (<= ULTIMATE.start_main_~x~4 111) (<= 111 ULTIMATE.start_main_~x~4)), 100498#(and (<= 110 ULTIMATE.start_main_~x~4) (<= ULTIMATE.start_main_~x~4 110)), 100501#(and (<= 113 ULTIMATE.start_main_~x~4) (<= ULTIMATE.start_main_~x~4 113)), 100500#(and (<= ULTIMATE.start_main_~x~4 112) (<= 112 ULTIMATE.start_main_~x~4)), 100503#(and (<= ULTIMATE.start_main_~x~4 115) (<= 115 ULTIMATE.start_main_~x~4)), 100502#(and (<= ULTIMATE.start_main_~x~4 114) (<= 114 ULTIMATE.start_main_~x~4)), 100505#(and (<= ULTIMATE.start_main_~x~4 117) (<= 117 ULTIMATE.start_main_~x~4)), 100504#(and (<= ULTIMATE.start_main_~x~4 116) (<= 116 ULTIMATE.start_main_~x~4)), 100507#(and (<= 119 ULTIMATE.start_main_~x~4) (<= ULTIMATE.start_main_~x~4 119)), 100506#(and (<= 118 ULTIMATE.start_main_~x~4) (<= ULTIMATE.start_main_~x~4 118)), 100509#(and (<= 121 ULTIMATE.start_main_~x~4) (<= ULTIMATE.start_main_~x~4 121)), 100508#(and (<= 120 ULTIMATE.start_main_~x~4) (<= ULTIMATE.start_main_~x~4 120)), 100511#(and (<= ULTIMATE.start_main_~x~4 123) (<= 123 ULTIMATE.start_main_~x~4)), 100510#(and (<= 122 ULTIMATE.start_main_~x~4) (<= ULTIMATE.start_main_~x~4 122)), 100513#(and (<= 125 ULTIMATE.start_main_~x~4) (<= ULTIMATE.start_main_~x~4 125)), 100512#(and (<= ULTIMATE.start_main_~x~4 124) (<= 124 ULTIMATE.start_main_~x~4)), 100515#(and (<= ULTIMATE.start_main_~x~4 127) (<= 127 ULTIMATE.start_main_~x~4)), 100514#(and (<= 126 ULTIMATE.start_main_~x~4) (<= ULTIMATE.start_main_~x~4 126)), 100517#(and (<= 129 ULTIMATE.start_main_~x~4) (<= ULTIMATE.start_main_~x~4 129)), 100516#(and (<= 128 ULTIMATE.start_main_~x~4) (<= ULTIMATE.start_main_~x~4 128)), 100519#(and (<= 131 ULTIMATE.start_main_~x~4) (<= ULTIMATE.start_main_~x~4 131)), 100518#(and (<= ULTIMATE.start_main_~x~4 130) (<= 130 ULTIMATE.start_main_~x~4)), 100521#(and (<= ULTIMATE.start_main_~x~4 133) (<= 133 ULTIMATE.start_main_~x~4)), 100520#(and (<= 132 ULTIMATE.start_main_~x~4) (<= ULTIMATE.start_main_~x~4 132)), 100523#(and (<= 135 ULTIMATE.start_main_~x~4) (<= ULTIMATE.start_main_~x~4 135)), 100522#(and (<= 134 ULTIMATE.start_main_~x~4) (<= ULTIMATE.start_main_~x~4 134)), 100525#(and (<= 137 ULTIMATE.start_main_~x~4) (<= ULTIMATE.start_main_~x~4 137)), 100524#(and (<= ULTIMATE.start_main_~x~4 136) (<= 136 ULTIMATE.start_main_~x~4)), 100527#(and (<= 139 ULTIMATE.start_main_~x~4) (<= ULTIMATE.start_main_~x~4 139)), 100526#(and (<= 138 ULTIMATE.start_main_~x~4) (<= ULTIMATE.start_main_~x~4 138)), 100529#(and (<= 141 ULTIMATE.start_main_~x~4) (<= ULTIMATE.start_main_~x~4 141)), 100528#(and (<= 140 ULTIMATE.start_main_~x~4) (<= ULTIMATE.start_main_~x~4 140)), 100531#(and (<= ULTIMATE.start_main_~x~4 143) (<= 143 ULTIMATE.start_main_~x~4)), 100530#(and (<= 142 ULTIMATE.start_main_~x~4) (<= ULTIMATE.start_main_~x~4 142)), 100533#(and (<= ULTIMATE.start_main_~x~4 145) (<= 145 ULTIMATE.start_main_~x~4)), 100532#(and (<= ULTIMATE.start_main_~x~4 144) (<= 144 ULTIMATE.start_main_~x~4)), 100534#(and (<= ULTIMATE.start_main_~x~4 146) (<= 146 ULTIMATE.start_main_~x~4))] [2018-07-23 13:52:29,738 INFO L134 CoverageAnalysis]: Checked inductivity of 21462 backedges. 0 proven. 21462 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-07-23 13:52:29,738 INFO L450 AbstractCegarLoop]: Interpolant automaton has 149 states [2018-07-23 13:52:29,738 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 149 interpolants. [2018-07-23 13:52:29,739 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=295, Invalid=21757, Unknown=0, NotChecked=0, Total=22052 [2018-07-23 13:52:29,739 INFO L87 Difference]: Start difference. First operand 297 states and 297 transitions. Second operand 149 states. [2018-07-23 13:52:31,290 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-07-23 13:52:31,290 INFO L93 Difference]: Finished difference Result 301 states and 301 transitions. [2018-07-23 13:52:31,290 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 149 states. [2018-07-23 13:52:31,290 INFO L78 Accepts]: Start accepts. Automaton has 149 states. Word has length 296 [2018-07-23 13:52:31,290 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-07-23 13:52:31,291 INFO L225 Difference]: With dead ends: 301 [2018-07-23 13:52:31,291 INFO L226 Difference]: Without dead ends: 299 [2018-07-23 13:52:31,292 INFO L575 BasicCegarLoop]: 0 DeclaredPredicates, 148 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 147 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.8s TimeCoverageRelationStatistics Valid=295, Invalid=21757, Unknown=0, NotChecked=0, Total=22052 [2018-07-23 13:52:31,292 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 299 states. [2018-07-23 13:52:31,303 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 299 to 299. [2018-07-23 13:52:31,303 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 299 states. [2018-07-23 13:52:31,303 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 299 states to 299 states and 299 transitions. [2018-07-23 13:52:31,304 INFO L78 Accepts]: Start accepts. Automaton has 299 states and 299 transitions. Word has length 296 [2018-07-23 13:52:31,304 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-07-23 13:52:31,304 INFO L471 AbstractCegarLoop]: Abstraction has 299 states and 299 transitions. [2018-07-23 13:52:31,304 INFO L472 AbstractCegarLoop]: Interpolant automaton has 149 states. [2018-07-23 13:52:31,304 INFO L276 IsEmpty]: Start isEmpty. Operand 299 states and 299 transitions. [2018-07-23 13:52:31,305 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 299 [2018-07-23 13:52:31,305 INFO L349 BasicCegarLoop]: Found error trace [2018-07-23 13:52:31,305 INFO L357 BasicCegarLoop]: trace histogram [148, 147, 1, 1, 1] [2018-07-23 13:52:31,306 INFO L414 AbstractCegarLoop]: === Iteration 148 === [ULTIMATE.startErr0AssertViolationASSERT]=== [2018-07-23 13:52:31,306 INFO L82 PathProgramCache]: Analyzing trace with hash 1038934549, now seen corresponding path program 147 times [2018-07-23 13:52:31,306 INFO L69 tionRefinementEngine]: Using refinement strategy FixedRefinementStrategy [2018-07-23 13:52:31,664 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-07-23 13:52:32,811 INFO L134 CoverageAnalysis]: Checked inductivity of 21756 backedges. 0 proven. 21756 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-07-23 13:52:32,812 INFO L309 seRefinementStrategy]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2018-07-23 13:52:32,812 INFO L324 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [149] total 149 [2018-07-23 13:52:32,812 INFO L142 lantAutomatonBuilder]: Constructing canonical interpolant automaton, with selfloop in false state [2018-07-23 13:52:32,813 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-07-23 13:52:32,813 INFO L185 omatonBuilderFactory]: Interpolants [101735#true, 101737#(and (<= ULTIMATE.start_main_~x~4 0) (<= 0 ULTIMATE.start_main_~x~4)), 101736#false, 101739#(and (<= 2 ULTIMATE.start_main_~x~4) (<= ULTIMATE.start_main_~x~4 2)), 101738#(and (<= ULTIMATE.start_main_~x~4 1) (<= 1 ULTIMATE.start_main_~x~4)), 101741#(and (<= ULTIMATE.start_main_~x~4 4) (<= 4 ULTIMATE.start_main_~x~4)), 101740#(and (<= 3 ULTIMATE.start_main_~x~4) (<= ULTIMATE.start_main_~x~4 3)), 101743#(and (<= 6 ULTIMATE.start_main_~x~4) (<= ULTIMATE.start_main_~x~4 6)), 101742#(and (<= ULTIMATE.start_main_~x~4 5) (<= 5 ULTIMATE.start_main_~x~4)), 101745#(and (<= ULTIMATE.start_main_~x~4 8) (<= 8 ULTIMATE.start_main_~x~4)), 101744#(and (<= ULTIMATE.start_main_~x~4 7) (<= 7 ULTIMATE.start_main_~x~4)), 101747#(and (<= ULTIMATE.start_main_~x~4 10) (<= 10 ULTIMATE.start_main_~x~4)), 101746#(and (<= 9 ULTIMATE.start_main_~x~4) (<= ULTIMATE.start_main_~x~4 9)), 101749#(and (<= 12 ULTIMATE.start_main_~x~4) (<= ULTIMATE.start_main_~x~4 12)), 101748#(and (<= ULTIMATE.start_main_~x~4 11) (<= 11 ULTIMATE.start_main_~x~4)), 101751#(and (<= 14 ULTIMATE.start_main_~x~4) (<= ULTIMATE.start_main_~x~4 14)), 101750#(and (<= ULTIMATE.start_main_~x~4 13) (<= 13 ULTIMATE.start_main_~x~4)), 101753#(and (<= ULTIMATE.start_main_~x~4 16) (<= 16 ULTIMATE.start_main_~x~4)), 101752#(and (<= 15 ULTIMATE.start_main_~x~4) (<= ULTIMATE.start_main_~x~4 15)), 101755#(and (<= 18 ULTIMATE.start_main_~x~4) (<= ULTIMATE.start_main_~x~4 18)), 101754#(and (<= ULTIMATE.start_main_~x~4 17) (<= 17 ULTIMATE.start_main_~x~4)), 101757#(and (<= 20 ULTIMATE.start_main_~x~4) (<= ULTIMATE.start_main_~x~4 20)), 101756#(and (<= 19 ULTIMATE.start_main_~x~4) (<= ULTIMATE.start_main_~x~4 19)), 101759#(and (<= ULTIMATE.start_main_~x~4 22) (<= 22 ULTIMATE.start_main_~x~4)), 101758#(and (<= ULTIMATE.start_main_~x~4 21) (<= 21 ULTIMATE.start_main_~x~4)), 101761#(and (<= ULTIMATE.start_main_~x~4 24) (<= 24 ULTIMATE.start_main_~x~4)), 101760#(and (<= ULTIMATE.start_main_~x~4 23) (<= 23 ULTIMATE.start_main_~x~4)), 101763#(and (<= ULTIMATE.start_main_~x~4 26) (<= 26 ULTIMATE.start_main_~x~4)), 101762#(and (<= ULTIMATE.start_main_~x~4 25) (<= 25 ULTIMATE.start_main_~x~4)), 101765#(and (<= ULTIMATE.start_main_~x~4 28) (<= 28 ULTIMATE.start_main_~x~4)), 101764#(and (<= ULTIMATE.start_main_~x~4 27) (<= 27 ULTIMATE.start_main_~x~4)), 101767#(and (<= ULTIMATE.start_main_~x~4 30) (<= 30 ULTIMATE.start_main_~x~4)), 101766#(and (<= 29 ULTIMATE.start_main_~x~4) (<= ULTIMATE.start_main_~x~4 29)), 101769#(and (<= ULTIMATE.start_main_~x~4 32) (<= 32 ULTIMATE.start_main_~x~4)), 101768#(and (<= ULTIMATE.start_main_~x~4 31) (<= 31 ULTIMATE.start_main_~x~4)), 101771#(and (<= 34 ULTIMATE.start_main_~x~4) (<= ULTIMATE.start_main_~x~4 34)), 101770#(and (<= ULTIMATE.start_main_~x~4 33) (<= 33 ULTIMATE.start_main_~x~4)), 101773#(and (<= 36 ULTIMATE.start_main_~x~4) (<= ULTIMATE.start_main_~x~4 36)), 101772#(and (<= ULTIMATE.start_main_~x~4 35) (<= 35 ULTIMATE.start_main_~x~4)), 101775#(and (<= 38 ULTIMATE.start_main_~x~4) (<= ULTIMATE.start_main_~x~4 38)), 101774#(and (<= ULTIMATE.start_main_~x~4 37) (<= 37 ULTIMATE.start_main_~x~4)), 101777#(and (<= ULTIMATE.start_main_~x~4 40) (<= 40 ULTIMATE.start_main_~x~4)), 101776#(and (<= ULTIMATE.start_main_~x~4 39) (<= 39 ULTIMATE.start_main_~x~4)), 101779#(and (<= ULTIMATE.start_main_~x~4 42) (<= 42 ULTIMATE.start_main_~x~4)), 101778#(and (<= ULTIMATE.start_main_~x~4 41) (<= 41 ULTIMATE.start_main_~x~4)), 101781#(and (<= 44 ULTIMATE.start_main_~x~4) (<= ULTIMATE.start_main_~x~4 44)), 101780#(and (<= ULTIMATE.start_main_~x~4 43) (<= 43 ULTIMATE.start_main_~x~4)), 101783#(and (<= ULTIMATE.start_main_~x~4 46) (<= 46 ULTIMATE.start_main_~x~4)), 101782#(and (<= 45 ULTIMATE.start_main_~x~4) (<= ULTIMATE.start_main_~x~4 45)), 101785#(and (<= 48 ULTIMATE.start_main_~x~4) (<= ULTIMATE.start_main_~x~4 48)), 101784#(and (<= 47 ULTIMATE.start_main_~x~4) (<= ULTIMATE.start_main_~x~4 47)), 101787#(and (<= ULTIMATE.start_main_~x~4 50) (<= 50 ULTIMATE.start_main_~x~4)), 101786#(and (<= 49 ULTIMATE.start_main_~x~4) (<= ULTIMATE.start_main_~x~4 49)), 101789#(and (<= ULTIMATE.start_main_~x~4 52) (<= 52 ULTIMATE.start_main_~x~4)), 101788#(and (<= 51 ULTIMATE.start_main_~x~4) (<= ULTIMATE.start_main_~x~4 51)), 101791#(and (<= ULTIMATE.start_main_~x~4 54) (<= 54 ULTIMATE.start_main_~x~4)), 101790#(and (<= 53 ULTIMATE.start_main_~x~4) (<= ULTIMATE.start_main_~x~4 53)), 101793#(and (<= 56 ULTIMATE.start_main_~x~4) (<= ULTIMATE.start_main_~x~4 56)), 101792#(and (<= 55 ULTIMATE.start_main_~x~4) (<= ULTIMATE.start_main_~x~4 55)), 101795#(and (<= 58 ULTIMATE.start_main_~x~4) (<= ULTIMATE.start_main_~x~4 58)), 101794#(and (<= 57 ULTIMATE.start_main_~x~4) (<= ULTIMATE.start_main_~x~4 57)), 101797#(and (<= 60 ULTIMATE.start_main_~x~4) (<= ULTIMATE.start_main_~x~4 60)), 101796#(and (<= ULTIMATE.start_main_~x~4 59) (<= 59 ULTIMATE.start_main_~x~4)), 101799#(and (<= ULTIMATE.start_main_~x~4 62) (<= 62 ULTIMATE.start_main_~x~4)), 101798#(and (<= 61 ULTIMATE.start_main_~x~4) (<= ULTIMATE.start_main_~x~4 61)), 101801#(and (<= ULTIMATE.start_main_~x~4 64) (<= 64 ULTIMATE.start_main_~x~4)), 101800#(and (<= 63 ULTIMATE.start_main_~x~4) (<= ULTIMATE.start_main_~x~4 63)), 101803#(and (<= 66 ULTIMATE.start_main_~x~4) (<= ULTIMATE.start_main_~x~4 66)), 101802#(and (<= 65 ULTIMATE.start_main_~x~4) (<= ULTIMATE.start_main_~x~4 65)), 101805#(and (<= ULTIMATE.start_main_~x~4 68) (<= 68 ULTIMATE.start_main_~x~4)), 101804#(and (<= 67 ULTIMATE.start_main_~x~4) (<= ULTIMATE.start_main_~x~4 67)), 101807#(and (<= ULTIMATE.start_main_~x~4 70) (<= 70 ULTIMATE.start_main_~x~4)), 101806#(and (<= 69 ULTIMATE.start_main_~x~4) (<= ULTIMATE.start_main_~x~4 69)), 101809#(and (<= 72 ULTIMATE.start_main_~x~4) (<= ULTIMATE.start_main_~x~4 72)), 101808#(and (<= 71 ULTIMATE.start_main_~x~4) (<= ULTIMATE.start_main_~x~4 71)), 101811#(and (<= 74 ULTIMATE.start_main_~x~4) (<= ULTIMATE.start_main_~x~4 74)), 101810#(and (<= ULTIMATE.start_main_~x~4 73) (<= 73 ULTIMATE.start_main_~x~4)), 101813#(and (<= ULTIMATE.start_main_~x~4 76) (<= 76 ULTIMATE.start_main_~x~4)), 101812#(and (<= ULTIMATE.start_main_~x~4 75) (<= 75 ULTIMATE.start_main_~x~4)), 101815#(and (<= ULTIMATE.start_main_~x~4 78) (<= 78 ULTIMATE.start_main_~x~4)), 101814#(and (<= ULTIMATE.start_main_~x~4 77) (<= 77 ULTIMATE.start_main_~x~4)), 101817#(and (<= ULTIMATE.start_main_~x~4 80) (<= 80 ULTIMATE.start_main_~x~4)), 101816#(and (<= 79 ULTIMATE.start_main_~x~4) (<= ULTIMATE.start_main_~x~4 79)), 101819#(and (<= ULTIMATE.start_main_~x~4 82) (<= 82 ULTIMATE.start_main_~x~4)), 101818#(and (<= ULTIMATE.start_main_~x~4 81) (<= 81 ULTIMATE.start_main_~x~4)), 101821#(and (<= ULTIMATE.start_main_~x~4 84) (<= 84 ULTIMATE.start_main_~x~4)), 101820#(and (<= 83 ULTIMATE.start_main_~x~4) (<= ULTIMATE.start_main_~x~4 83)), 101823#(and (<= 86 ULTIMATE.start_main_~x~4) (<= ULTIMATE.start_main_~x~4 86)), 101822#(and (<= 85 ULTIMATE.start_main_~x~4) (<= ULTIMATE.start_main_~x~4 85)), 101825#(and (<= 88 ULTIMATE.start_main_~x~4) (<= ULTIMATE.start_main_~x~4 88)), 101824#(and (<= ULTIMATE.start_main_~x~4 87) (<= 87 ULTIMATE.start_main_~x~4)), 101827#(and (<= ULTIMATE.start_main_~x~4 90) (<= 90 ULTIMATE.start_main_~x~4)), 101826#(and (<= ULTIMATE.start_main_~x~4 89) (<= 89 ULTIMATE.start_main_~x~4)), 101829#(and (<= ULTIMATE.start_main_~x~4 92) (<= 92 ULTIMATE.start_main_~x~4)), 101828#(and (<= ULTIMATE.start_main_~x~4 91) (<= 91 ULTIMATE.start_main_~x~4)), 101831#(and (<= ULTIMATE.start_main_~x~4 94) (<= 94 ULTIMATE.start_main_~x~4)), 101830#(and (<= ULTIMATE.start_main_~x~4 93) (<= 93 ULTIMATE.start_main_~x~4)), 101833#(and (<= ULTIMATE.start_main_~x~4 96) (<= 96 ULTIMATE.start_main_~x~4)), 101832#(and (<= 95 ULTIMATE.start_main_~x~4) (<= ULTIMATE.start_main_~x~4 95)), 101835#(and (<= ULTIMATE.start_main_~x~4 98) (<= 98 ULTIMATE.start_main_~x~4)), 101834#(and (<= 97 ULTIMATE.start_main_~x~4) (<= ULTIMATE.start_main_~x~4 97)), 101837#(and (<= ULTIMATE.start_main_~x~4 100) (<= 100 ULTIMATE.start_main_~x~4)), 101836#(and (<= 99 ULTIMATE.start_main_~x~4) (<= ULTIMATE.start_main_~x~4 99)), 101839#(and (<= 102 ULTIMATE.start_main_~x~4) (<= ULTIMATE.start_main_~x~4 102)), 101838#(and (<= ULTIMATE.start_main_~x~4 101) (<= 101 ULTIMATE.start_main_~x~4)), 101841#(and (<= ULTIMATE.start_main_~x~4 104) (<= 104 ULTIMATE.start_main_~x~4)), 101840#(and (<= 103 ULTIMATE.start_main_~x~4) (<= ULTIMATE.start_main_~x~4 103)), 101843#(and (<= 106 ULTIMATE.start_main_~x~4) (<= ULTIMATE.start_main_~x~4 106)), 101842#(and (<= 105 ULTIMATE.start_main_~x~4) (<= ULTIMATE.start_main_~x~4 105)), 101845#(and (<= 108 ULTIMATE.start_main_~x~4) (<= ULTIMATE.start_main_~x~4 108)), 101844#(and (<= 107 ULTIMATE.start_main_~x~4) (<= ULTIMATE.start_main_~x~4 107)), 101847#(and (<= 110 ULTIMATE.start_main_~x~4) (<= ULTIMATE.start_main_~x~4 110)), 101846#(and (<= ULTIMATE.start_main_~x~4 109) (<= 109 ULTIMATE.start_main_~x~4)), 101849#(and (<= ULTIMATE.start_main_~x~4 112) (<= 112 ULTIMATE.start_main_~x~4)), 101848#(and (<= ULTIMATE.start_main_~x~4 111) (<= 111 ULTIMATE.start_main_~x~4)), 101851#(and (<= ULTIMATE.start_main_~x~4 114) (<= 114 ULTIMATE.start_main_~x~4)), 101850#(and (<= 113 ULTIMATE.start_main_~x~4) (<= ULTIMATE.start_main_~x~4 113)), 101853#(and (<= ULTIMATE.start_main_~x~4 116) (<= 116 ULTIMATE.start_main_~x~4)), 101852#(and (<= ULTIMATE.start_main_~x~4 115) (<= 115 ULTIMATE.start_main_~x~4)), 101855#(and (<= 118 ULTIMATE.start_main_~x~4) (<= ULTIMATE.start_main_~x~4 118)), 101854#(and (<= ULTIMATE.start_main_~x~4 117) (<= 117 ULTIMATE.start_main_~x~4)), 101857#(and (<= 120 ULTIMATE.start_main_~x~4) (<= ULTIMATE.start_main_~x~4 120)), 101856#(and (<= 119 ULTIMATE.start_main_~x~4) (<= ULTIMATE.start_main_~x~4 119)), 101859#(and (<= 122 ULTIMATE.start_main_~x~4) (<= ULTIMATE.start_main_~x~4 122)), 101858#(and (<= 121 ULTIMATE.start_main_~x~4) (<= ULTIMATE.start_main_~x~4 121)), 101861#(and (<= ULTIMATE.start_main_~x~4 124) (<= 124 ULTIMATE.start_main_~x~4)), 101860#(and (<= ULTIMATE.start_main_~x~4 123) (<= 123 ULTIMATE.start_main_~x~4)), 101863#(and (<= 126 ULTIMATE.start_main_~x~4) (<= ULTIMATE.start_main_~x~4 126)), 101862#(and (<= 125 ULTIMATE.start_main_~x~4) (<= ULTIMATE.start_main_~x~4 125)), 101865#(and (<= 128 ULTIMATE.start_main_~x~4) (<= ULTIMATE.start_main_~x~4 128)), 101864#(and (<= ULTIMATE.start_main_~x~4 127) (<= 127 ULTIMATE.start_main_~x~4)), 101867#(and (<= ULTIMATE.start_main_~x~4 130) (<= 130 ULTIMATE.start_main_~x~4)), 101866#(and (<= 129 ULTIMATE.start_main_~x~4) (<= ULTIMATE.start_main_~x~4 129)), 101869#(and (<= 132 ULTIMATE.start_main_~x~4) (<= ULTIMATE.start_main_~x~4 132)), 101868#(and (<= 131 ULTIMATE.start_main_~x~4) (<= ULTIMATE.start_main_~x~4 131)), 101871#(and (<= 134 ULTIMATE.start_main_~x~4) (<= ULTIMATE.start_main_~x~4 134)), 101870#(and (<= ULTIMATE.start_main_~x~4 133) (<= 133 ULTIMATE.start_main_~x~4)), 101873#(and (<= ULTIMATE.start_main_~x~4 136) (<= 136 ULTIMATE.start_main_~x~4)), 101872#(and (<= 135 ULTIMATE.start_main_~x~4) (<= ULTIMATE.start_main_~x~4 135)), 101875#(and (<= 138 ULTIMATE.start_main_~x~4) (<= ULTIMATE.start_main_~x~4 138)), 101874#(and (<= 137 ULTIMATE.start_main_~x~4) (<= ULTIMATE.start_main_~x~4 137)), 101877#(and (<= 140 ULTIMATE.start_main_~x~4) (<= ULTIMATE.start_main_~x~4 140)), 101876#(and (<= 139 ULTIMATE.start_main_~x~4) (<= ULTIMATE.start_main_~x~4 139)), 101879#(and (<= 142 ULTIMATE.start_main_~x~4) (<= ULTIMATE.start_main_~x~4 142)), 101878#(and (<= 141 ULTIMATE.start_main_~x~4) (<= ULTIMATE.start_main_~x~4 141)), 101881#(and (<= ULTIMATE.start_main_~x~4 144) (<= 144 ULTIMATE.start_main_~x~4)), 101880#(and (<= ULTIMATE.start_main_~x~4 143) (<= 143 ULTIMATE.start_main_~x~4)), 101883#(and (<= ULTIMATE.start_main_~x~4 146) (<= 146 ULTIMATE.start_main_~x~4)), 101882#(and (<= ULTIMATE.start_main_~x~4 145) (<= 145 ULTIMATE.start_main_~x~4)), 101884#(and (<= 147 ULTIMATE.start_main_~x~4) (<= ULTIMATE.start_main_~x~4 147))] [2018-07-23 13:52:32,814 INFO L134 CoverageAnalysis]: Checked inductivity of 21756 backedges. 0 proven. 21756 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-07-23 13:52:32,815 INFO L450 AbstractCegarLoop]: Interpolant automaton has 150 states [2018-07-23 13:52:32,815 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 150 interpolants. [2018-07-23 13:52:32,816 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=297, Invalid=22053, Unknown=0, NotChecked=0, Total=22350 [2018-07-23 13:52:32,816 INFO L87 Difference]: Start difference. First operand 299 states and 299 transitions. Second operand 150 states. [2018-07-23 13:52:34,407 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-07-23 13:52:34,408 INFO L93 Difference]: Finished difference Result 303 states and 303 transitions. [2018-07-23 13:52:34,408 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 150 states. [2018-07-23 13:52:34,408 INFO L78 Accepts]: Start accepts. Automaton has 150 states. Word has length 298 [2018-07-23 13:52:34,408 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-07-23 13:52:34,409 INFO L225 Difference]: With dead ends: 303 [2018-07-23 13:52:34,409 INFO L226 Difference]: Without dead ends: 301 [2018-07-23 13:52:34,410 INFO L575 BasicCegarLoop]: 0 DeclaredPredicates, 149 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 148 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.8s TimeCoverageRelationStatistics Valid=297, Invalid=22053, Unknown=0, NotChecked=0, Total=22350 [2018-07-23 13:52:34,410 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 301 states. [2018-07-23 13:52:34,418 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 301 to 301. [2018-07-23 13:52:34,418 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 301 states. [2018-07-23 13:52:34,418 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 301 states to 301 states and 301 transitions. [2018-07-23 13:52:34,418 INFO L78 Accepts]: Start accepts. Automaton has 301 states and 301 transitions. Word has length 298 [2018-07-23 13:52:34,418 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-07-23 13:52:34,418 INFO L471 AbstractCegarLoop]: Abstraction has 301 states and 301 transitions. [2018-07-23 13:52:34,419 INFO L472 AbstractCegarLoop]: Interpolant automaton has 150 states. [2018-07-23 13:52:34,419 INFO L276 IsEmpty]: Start isEmpty. Operand 301 states and 301 transitions. [2018-07-23 13:52:34,419 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 301 [2018-07-23 13:52:34,419 INFO L349 BasicCegarLoop]: Found error trace [2018-07-23 13:52:34,419 INFO L357 BasicCegarLoop]: trace histogram [149, 148, 1, 1, 1] [2018-07-23 13:52:34,420 INFO L414 AbstractCegarLoop]: === Iteration 149 === [ULTIMATE.startErr0AssertViolationASSERT]=== [2018-07-23 13:52:34,420 INFO L82 PathProgramCache]: Analyzing trace with hash 1983741007, now seen corresponding path program 148 times [2018-07-23 13:52:34,420 INFO L69 tionRefinementEngine]: Using refinement strategy FixedRefinementStrategy [2018-07-23 13:52:34,774 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-07-23 13:52:35,918 INFO L134 CoverageAnalysis]: Checked inductivity of 22052 backedges. 0 proven. 22052 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-07-23 13:52:35,919 INFO L309 seRefinementStrategy]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2018-07-23 13:52:35,919 INFO L324 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [150] total 150 [2018-07-23 13:52:35,919 INFO L142 lantAutomatonBuilder]: Constructing canonical interpolant automaton, with selfloop in false state [2018-07-23 13:52:35,919 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-07-23 13:52:35,920 INFO L185 omatonBuilderFactory]: Interpolants [103169#(and (<= 74 ULTIMATE.start_main_~x~4) (<= ULTIMATE.start_main_~x~4 74)), 103168#(and (<= ULTIMATE.start_main_~x~4 73) (<= 73 ULTIMATE.start_main_~x~4)), 103171#(and (<= ULTIMATE.start_main_~x~4 76) (<= 76 ULTIMATE.start_main_~x~4)), 103170#(and (<= ULTIMATE.start_main_~x~4 75) (<= 75 ULTIMATE.start_main_~x~4)), 103173#(and (<= ULTIMATE.start_main_~x~4 78) (<= 78 ULTIMATE.start_main_~x~4)), 103172#(and (<= ULTIMATE.start_main_~x~4 77) (<= 77 ULTIMATE.start_main_~x~4)), 103175#(and (<= ULTIMATE.start_main_~x~4 80) (<= 80 ULTIMATE.start_main_~x~4)), 103174#(and (<= 79 ULTIMATE.start_main_~x~4) (<= ULTIMATE.start_main_~x~4 79)), 103177#(and (<= ULTIMATE.start_main_~x~4 82) (<= 82 ULTIMATE.start_main_~x~4)), 103176#(and (<= ULTIMATE.start_main_~x~4 81) (<= 81 ULTIMATE.start_main_~x~4)), 103179#(and (<= ULTIMATE.start_main_~x~4 84) (<= 84 ULTIMATE.start_main_~x~4)), 103178#(and (<= 83 ULTIMATE.start_main_~x~4) (<= ULTIMATE.start_main_~x~4 83)), 103181#(and (<= 86 ULTIMATE.start_main_~x~4) (<= ULTIMATE.start_main_~x~4 86)), 103180#(and (<= 85 ULTIMATE.start_main_~x~4) (<= ULTIMATE.start_main_~x~4 85)), 103183#(and (<= 88 ULTIMATE.start_main_~x~4) (<= ULTIMATE.start_main_~x~4 88)), 103182#(and (<= ULTIMATE.start_main_~x~4 87) (<= 87 ULTIMATE.start_main_~x~4)), 103185#(and (<= ULTIMATE.start_main_~x~4 90) (<= 90 ULTIMATE.start_main_~x~4)), 103184#(and (<= ULTIMATE.start_main_~x~4 89) (<= 89 ULTIMATE.start_main_~x~4)), 103187#(and (<= ULTIMATE.start_main_~x~4 92) (<= 92 ULTIMATE.start_main_~x~4)), 103186#(and (<= ULTIMATE.start_main_~x~4 91) (<= 91 ULTIMATE.start_main_~x~4)), 103189#(and (<= ULTIMATE.start_main_~x~4 94) (<= 94 ULTIMATE.start_main_~x~4)), 103188#(and (<= ULTIMATE.start_main_~x~4 93) (<= 93 ULTIMATE.start_main_~x~4)), 103191#(and (<= ULTIMATE.start_main_~x~4 96) (<= 96 ULTIMATE.start_main_~x~4)), 103190#(and (<= 95 ULTIMATE.start_main_~x~4) (<= ULTIMATE.start_main_~x~4 95)), 103193#(and (<= ULTIMATE.start_main_~x~4 98) (<= 98 ULTIMATE.start_main_~x~4)), 103192#(and (<= 97 ULTIMATE.start_main_~x~4) (<= ULTIMATE.start_main_~x~4 97)), 103195#(and (<= ULTIMATE.start_main_~x~4 100) (<= 100 ULTIMATE.start_main_~x~4)), 103194#(and (<= 99 ULTIMATE.start_main_~x~4) (<= ULTIMATE.start_main_~x~4 99)), 103197#(and (<= 102 ULTIMATE.start_main_~x~4) (<= ULTIMATE.start_main_~x~4 102)), 103196#(and (<= ULTIMATE.start_main_~x~4 101) (<= 101 ULTIMATE.start_main_~x~4)), 103199#(and (<= ULTIMATE.start_main_~x~4 104) (<= 104 ULTIMATE.start_main_~x~4)), 103198#(and (<= 103 ULTIMATE.start_main_~x~4) (<= ULTIMATE.start_main_~x~4 103)), 103201#(and (<= 106 ULTIMATE.start_main_~x~4) (<= ULTIMATE.start_main_~x~4 106)), 103200#(and (<= 105 ULTIMATE.start_main_~x~4) (<= ULTIMATE.start_main_~x~4 105)), 103203#(and (<= 108 ULTIMATE.start_main_~x~4) (<= ULTIMATE.start_main_~x~4 108)), 103202#(and (<= 107 ULTIMATE.start_main_~x~4) (<= ULTIMATE.start_main_~x~4 107)), 103205#(and (<= 110 ULTIMATE.start_main_~x~4) (<= ULTIMATE.start_main_~x~4 110)), 103204#(and (<= ULTIMATE.start_main_~x~4 109) (<= 109 ULTIMATE.start_main_~x~4)), 103207#(and (<= ULTIMATE.start_main_~x~4 112) (<= 112 ULTIMATE.start_main_~x~4)), 103206#(and (<= ULTIMATE.start_main_~x~4 111) (<= 111 ULTIMATE.start_main_~x~4)), 103209#(and (<= ULTIMATE.start_main_~x~4 114) (<= 114 ULTIMATE.start_main_~x~4)), 103208#(and (<= 113 ULTIMATE.start_main_~x~4) (<= ULTIMATE.start_main_~x~4 113)), 103211#(and (<= ULTIMATE.start_main_~x~4 116) (<= 116 ULTIMATE.start_main_~x~4)), 103210#(and (<= ULTIMATE.start_main_~x~4 115) (<= 115 ULTIMATE.start_main_~x~4)), 103213#(and (<= 118 ULTIMATE.start_main_~x~4) (<= ULTIMATE.start_main_~x~4 118)), 103212#(and (<= ULTIMATE.start_main_~x~4 117) (<= 117 ULTIMATE.start_main_~x~4)), 103215#(and (<= 120 ULTIMATE.start_main_~x~4) (<= ULTIMATE.start_main_~x~4 120)), 103214#(and (<= 119 ULTIMATE.start_main_~x~4) (<= ULTIMATE.start_main_~x~4 119)), 103217#(and (<= 122 ULTIMATE.start_main_~x~4) (<= ULTIMATE.start_main_~x~4 122)), 103216#(and (<= 121 ULTIMATE.start_main_~x~4) (<= ULTIMATE.start_main_~x~4 121)), 103219#(and (<= ULTIMATE.start_main_~x~4 124) (<= 124 ULTIMATE.start_main_~x~4)), 103218#(and (<= ULTIMATE.start_main_~x~4 123) (<= 123 ULTIMATE.start_main_~x~4)), 103221#(and (<= 126 ULTIMATE.start_main_~x~4) (<= ULTIMATE.start_main_~x~4 126)), 103220#(and (<= 125 ULTIMATE.start_main_~x~4) (<= ULTIMATE.start_main_~x~4 125)), 103223#(and (<= 128 ULTIMATE.start_main_~x~4) (<= ULTIMATE.start_main_~x~4 128)), 103222#(and (<= ULTIMATE.start_main_~x~4 127) (<= 127 ULTIMATE.start_main_~x~4)), 103225#(and (<= ULTIMATE.start_main_~x~4 130) (<= 130 ULTIMATE.start_main_~x~4)), 103224#(and (<= 129 ULTIMATE.start_main_~x~4) (<= ULTIMATE.start_main_~x~4 129)), 103227#(and (<= 132 ULTIMATE.start_main_~x~4) (<= ULTIMATE.start_main_~x~4 132)), 103226#(and (<= 131 ULTIMATE.start_main_~x~4) (<= ULTIMATE.start_main_~x~4 131)), 103229#(and (<= 134 ULTIMATE.start_main_~x~4) (<= ULTIMATE.start_main_~x~4 134)), 103228#(and (<= ULTIMATE.start_main_~x~4 133) (<= 133 ULTIMATE.start_main_~x~4)), 103231#(and (<= ULTIMATE.start_main_~x~4 136) (<= 136 ULTIMATE.start_main_~x~4)), 103230#(and (<= 135 ULTIMATE.start_main_~x~4) (<= ULTIMATE.start_main_~x~4 135)), 103233#(and (<= 138 ULTIMATE.start_main_~x~4) (<= ULTIMATE.start_main_~x~4 138)), 103232#(and (<= 137 ULTIMATE.start_main_~x~4) (<= ULTIMATE.start_main_~x~4 137)), 103235#(and (<= 140 ULTIMATE.start_main_~x~4) (<= ULTIMATE.start_main_~x~4 140)), 103234#(and (<= 139 ULTIMATE.start_main_~x~4) (<= ULTIMATE.start_main_~x~4 139)), 103237#(and (<= 142 ULTIMATE.start_main_~x~4) (<= ULTIMATE.start_main_~x~4 142)), 103236#(and (<= 141 ULTIMATE.start_main_~x~4) (<= ULTIMATE.start_main_~x~4 141)), 103239#(and (<= ULTIMATE.start_main_~x~4 144) (<= 144 ULTIMATE.start_main_~x~4)), 103238#(and (<= ULTIMATE.start_main_~x~4 143) (<= 143 ULTIMATE.start_main_~x~4)), 103241#(and (<= ULTIMATE.start_main_~x~4 146) (<= 146 ULTIMATE.start_main_~x~4)), 103240#(and (<= ULTIMATE.start_main_~x~4 145) (<= 145 ULTIMATE.start_main_~x~4)), 103243#(and (<= ULTIMATE.start_main_~x~4 148) (<= 148 ULTIMATE.start_main_~x~4)), 103242#(and (<= 147 ULTIMATE.start_main_~x~4) (<= ULTIMATE.start_main_~x~4 147)), 103093#true, 103095#(and (<= ULTIMATE.start_main_~x~4 0) (<= 0 ULTIMATE.start_main_~x~4)), 103094#false, 103097#(and (<= 2 ULTIMATE.start_main_~x~4) (<= ULTIMATE.start_main_~x~4 2)), 103096#(and (<= ULTIMATE.start_main_~x~4 1) (<= 1 ULTIMATE.start_main_~x~4)), 103099#(and (<= ULTIMATE.start_main_~x~4 4) (<= 4 ULTIMATE.start_main_~x~4)), 103098#(and (<= 3 ULTIMATE.start_main_~x~4) (<= ULTIMATE.start_main_~x~4 3)), 103101#(and (<= 6 ULTIMATE.start_main_~x~4) (<= ULTIMATE.start_main_~x~4 6)), 103100#(and (<= ULTIMATE.start_main_~x~4 5) (<= 5 ULTIMATE.start_main_~x~4)), 103103#(and (<= ULTIMATE.start_main_~x~4 8) (<= 8 ULTIMATE.start_main_~x~4)), 103102#(and (<= ULTIMATE.start_main_~x~4 7) (<= 7 ULTIMATE.start_main_~x~4)), 103105#(and (<= ULTIMATE.start_main_~x~4 10) (<= 10 ULTIMATE.start_main_~x~4)), 103104#(and (<= 9 ULTIMATE.start_main_~x~4) (<= ULTIMATE.start_main_~x~4 9)), 103107#(and (<= 12 ULTIMATE.start_main_~x~4) (<= ULTIMATE.start_main_~x~4 12)), 103106#(and (<= ULTIMATE.start_main_~x~4 11) (<= 11 ULTIMATE.start_main_~x~4)), 103109#(and (<= 14 ULTIMATE.start_main_~x~4) (<= ULTIMATE.start_main_~x~4 14)), 103108#(and (<= ULTIMATE.start_main_~x~4 13) (<= 13 ULTIMATE.start_main_~x~4)), 103111#(and (<= ULTIMATE.start_main_~x~4 16) (<= 16 ULTIMATE.start_main_~x~4)), 103110#(and (<= 15 ULTIMATE.start_main_~x~4) (<= ULTIMATE.start_main_~x~4 15)), 103113#(and (<= 18 ULTIMATE.start_main_~x~4) (<= ULTIMATE.start_main_~x~4 18)), 103112#(and (<= ULTIMATE.start_main_~x~4 17) (<= 17 ULTIMATE.start_main_~x~4)), 103115#(and (<= 20 ULTIMATE.start_main_~x~4) (<= ULTIMATE.start_main_~x~4 20)), 103114#(and (<= 19 ULTIMATE.start_main_~x~4) (<= ULTIMATE.start_main_~x~4 19)), 103117#(and (<= ULTIMATE.start_main_~x~4 22) (<= 22 ULTIMATE.start_main_~x~4)), 103116#(and (<= ULTIMATE.start_main_~x~4 21) (<= 21 ULTIMATE.start_main_~x~4)), 103119#(and (<= ULTIMATE.start_main_~x~4 24) (<= 24 ULTIMATE.start_main_~x~4)), 103118#(and (<= ULTIMATE.start_main_~x~4 23) (<= 23 ULTIMATE.start_main_~x~4)), 103121#(and (<= ULTIMATE.start_main_~x~4 26) (<= 26 ULTIMATE.start_main_~x~4)), 103120#(and (<= ULTIMATE.start_main_~x~4 25) (<= 25 ULTIMATE.start_main_~x~4)), 103123#(and (<= ULTIMATE.start_main_~x~4 28) (<= 28 ULTIMATE.start_main_~x~4)), 103122#(and (<= ULTIMATE.start_main_~x~4 27) (<= 27 ULTIMATE.start_main_~x~4)), 103125#(and (<= ULTIMATE.start_main_~x~4 30) (<= 30 ULTIMATE.start_main_~x~4)), 103124#(and (<= 29 ULTIMATE.start_main_~x~4) (<= ULTIMATE.start_main_~x~4 29)), 103127#(and (<= ULTIMATE.start_main_~x~4 32) (<= 32 ULTIMATE.start_main_~x~4)), 103126#(and (<= ULTIMATE.start_main_~x~4 31) (<= 31 ULTIMATE.start_main_~x~4)), 103129#(and (<= 34 ULTIMATE.start_main_~x~4) (<= ULTIMATE.start_main_~x~4 34)), 103128#(and (<= ULTIMATE.start_main_~x~4 33) (<= 33 ULTIMATE.start_main_~x~4)), 103131#(and (<= 36 ULTIMATE.start_main_~x~4) (<= ULTIMATE.start_main_~x~4 36)), 103130#(and (<= ULTIMATE.start_main_~x~4 35) (<= 35 ULTIMATE.start_main_~x~4)), 103133#(and (<= 38 ULTIMATE.start_main_~x~4) (<= ULTIMATE.start_main_~x~4 38)), 103132#(and (<= ULTIMATE.start_main_~x~4 37) (<= 37 ULTIMATE.start_main_~x~4)), 103135#(and (<= ULTIMATE.start_main_~x~4 40) (<= 40 ULTIMATE.start_main_~x~4)), 103134#(and (<= ULTIMATE.start_main_~x~4 39) (<= 39 ULTIMATE.start_main_~x~4)), 103137#(and (<= ULTIMATE.start_main_~x~4 42) (<= 42 ULTIMATE.start_main_~x~4)), 103136#(and (<= ULTIMATE.start_main_~x~4 41) (<= 41 ULTIMATE.start_main_~x~4)), 103139#(and (<= 44 ULTIMATE.start_main_~x~4) (<= ULTIMATE.start_main_~x~4 44)), 103138#(and (<= ULTIMATE.start_main_~x~4 43) (<= 43 ULTIMATE.start_main_~x~4)), 103141#(and (<= ULTIMATE.start_main_~x~4 46) (<= 46 ULTIMATE.start_main_~x~4)), 103140#(and (<= 45 ULTIMATE.start_main_~x~4) (<= ULTIMATE.start_main_~x~4 45)), 103143#(and (<= 48 ULTIMATE.start_main_~x~4) (<= ULTIMATE.start_main_~x~4 48)), 103142#(and (<= 47 ULTIMATE.start_main_~x~4) (<= ULTIMATE.start_main_~x~4 47)), 103145#(and (<= ULTIMATE.start_main_~x~4 50) (<= 50 ULTIMATE.start_main_~x~4)), 103144#(and (<= 49 ULTIMATE.start_main_~x~4) (<= ULTIMATE.start_main_~x~4 49)), 103147#(and (<= ULTIMATE.start_main_~x~4 52) (<= 52 ULTIMATE.start_main_~x~4)), 103146#(and (<= 51 ULTIMATE.start_main_~x~4) (<= ULTIMATE.start_main_~x~4 51)), 103149#(and (<= ULTIMATE.start_main_~x~4 54) (<= 54 ULTIMATE.start_main_~x~4)), 103148#(and (<= 53 ULTIMATE.start_main_~x~4) (<= ULTIMATE.start_main_~x~4 53)), 103151#(and (<= 56 ULTIMATE.start_main_~x~4) (<= ULTIMATE.start_main_~x~4 56)), 103150#(and (<= 55 ULTIMATE.start_main_~x~4) (<= ULTIMATE.start_main_~x~4 55)), 103153#(and (<= 58 ULTIMATE.start_main_~x~4) (<= ULTIMATE.start_main_~x~4 58)), 103152#(and (<= 57 ULTIMATE.start_main_~x~4) (<= ULTIMATE.start_main_~x~4 57)), 103155#(and (<= 60 ULTIMATE.start_main_~x~4) (<= ULTIMATE.start_main_~x~4 60)), 103154#(and (<= ULTIMATE.start_main_~x~4 59) (<= 59 ULTIMATE.start_main_~x~4)), 103157#(and (<= ULTIMATE.start_main_~x~4 62) (<= 62 ULTIMATE.start_main_~x~4)), 103156#(and (<= 61 ULTIMATE.start_main_~x~4) (<= ULTIMATE.start_main_~x~4 61)), 103159#(and (<= ULTIMATE.start_main_~x~4 64) (<= 64 ULTIMATE.start_main_~x~4)), 103158#(and (<= 63 ULTIMATE.start_main_~x~4) (<= ULTIMATE.start_main_~x~4 63)), 103161#(and (<= 66 ULTIMATE.start_main_~x~4) (<= ULTIMATE.start_main_~x~4 66)), 103160#(and (<= 65 ULTIMATE.start_main_~x~4) (<= ULTIMATE.start_main_~x~4 65)), 103163#(and (<= ULTIMATE.start_main_~x~4 68) (<= 68 ULTIMATE.start_main_~x~4)), 103162#(and (<= 67 ULTIMATE.start_main_~x~4) (<= ULTIMATE.start_main_~x~4 67)), 103165#(and (<= ULTIMATE.start_main_~x~4 70) (<= 70 ULTIMATE.start_main_~x~4)), 103164#(and (<= 69 ULTIMATE.start_main_~x~4) (<= ULTIMATE.start_main_~x~4 69)), 103167#(and (<= 72 ULTIMATE.start_main_~x~4) (<= ULTIMATE.start_main_~x~4 72)), 103166#(and (<= 71 ULTIMATE.start_main_~x~4) (<= ULTIMATE.start_main_~x~4 71))] [2018-07-23 13:52:35,921 INFO L134 CoverageAnalysis]: Checked inductivity of 22052 backedges. 0 proven. 22052 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-07-23 13:52:35,921 INFO L450 AbstractCegarLoop]: Interpolant automaton has 151 states [2018-07-23 13:52:35,921 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 151 interpolants. [2018-07-23 13:52:35,922 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=299, Invalid=22351, Unknown=0, NotChecked=0, Total=22650 [2018-07-23 13:52:35,922 INFO L87 Difference]: Start difference. First operand 301 states and 301 transitions. Second operand 151 states. [2018-07-23 13:52:37,514 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-07-23 13:52:37,514 INFO L93 Difference]: Finished difference Result 305 states and 305 transitions. [2018-07-23 13:52:37,514 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 151 states. [2018-07-23 13:52:37,514 INFO L78 Accepts]: Start accepts. Automaton has 151 states. Word has length 300 [2018-07-23 13:52:37,514 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-07-23 13:52:37,515 INFO L225 Difference]: With dead ends: 305 [2018-07-23 13:52:37,515 INFO L226 Difference]: Without dead ends: 303 [2018-07-23 13:52:37,516 INFO L575 BasicCegarLoop]: 0 DeclaredPredicates, 150 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 149 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.8s TimeCoverageRelationStatistics Valid=299, Invalid=22351, Unknown=0, NotChecked=0, Total=22650 [2018-07-23 13:52:37,516 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 303 states. [2018-07-23 13:52:37,523 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 303 to 303. [2018-07-23 13:52:37,524 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 303 states. [2018-07-23 13:52:37,524 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 303 states to 303 states and 303 transitions. [2018-07-23 13:52:37,524 INFO L78 Accepts]: Start accepts. Automaton has 303 states and 303 transitions. Word has length 300 [2018-07-23 13:52:37,524 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-07-23 13:52:37,524 INFO L471 AbstractCegarLoop]: Abstraction has 303 states and 303 transitions. [2018-07-23 13:52:37,524 INFO L472 AbstractCegarLoop]: Interpolant automaton has 151 states. [2018-07-23 13:52:37,525 INFO L276 IsEmpty]: Start isEmpty. Operand 303 states and 303 transitions. [2018-07-23 13:52:37,525 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 303 [2018-07-23 13:52:37,525 INFO L349 BasicCegarLoop]: Found error trace [2018-07-23 13:52:37,525 INFO L357 BasicCegarLoop]: trace histogram [150, 149, 1, 1, 1] [2018-07-23 13:52:37,526 INFO L414 AbstractCegarLoop]: === Iteration 150 === [ULTIMATE.startErr0AssertViolationASSERT]=== [2018-07-23 13:52:37,526 INFO L82 PathProgramCache]: Analyzing trace with hash -590319607, now seen corresponding path program 149 times [2018-07-23 13:52:37,526 INFO L69 tionRefinementEngine]: Using refinement strategy FixedRefinementStrategy [2018-07-23 13:52:37,880 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-07-23 13:52:39,085 INFO L134 CoverageAnalysis]: Checked inductivity of 22350 backedges. 0 proven. 22350 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-07-23 13:52:39,086 INFO L309 seRefinementStrategy]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2018-07-23 13:52:39,086 INFO L324 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [151] total 151 [2018-07-23 13:52:39,086 INFO L142 lantAutomatonBuilder]: Constructing canonical interpolant automaton, with selfloop in false state [2018-07-23 13:52:39,086 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-07-23 13:52:39,087 INFO L185 omatonBuilderFactory]: Interpolants [104461#false, 104460#true, 104463#(and (<= ULTIMATE.start_main_~x~4 1) (<= 1 ULTIMATE.start_main_~x~4)), 104462#(and (<= ULTIMATE.start_main_~x~4 0) (<= 0 ULTIMATE.start_main_~x~4)), 104465#(and (<= 3 ULTIMATE.start_main_~x~4) (<= ULTIMATE.start_main_~x~4 3)), 104464#(and (<= 2 ULTIMATE.start_main_~x~4) (<= ULTIMATE.start_main_~x~4 2)), 104467#(and (<= ULTIMATE.start_main_~x~4 5) (<= 5 ULTIMATE.start_main_~x~4)), 104466#(and (<= ULTIMATE.start_main_~x~4 4) (<= 4 ULTIMATE.start_main_~x~4)), 104469#(and (<= ULTIMATE.start_main_~x~4 7) (<= 7 ULTIMATE.start_main_~x~4)), 104468#(and (<= 6 ULTIMATE.start_main_~x~4) (<= ULTIMATE.start_main_~x~4 6)), 104471#(and (<= 9 ULTIMATE.start_main_~x~4) (<= ULTIMATE.start_main_~x~4 9)), 104470#(and (<= ULTIMATE.start_main_~x~4 8) (<= 8 ULTIMATE.start_main_~x~4)), 104473#(and (<= ULTIMATE.start_main_~x~4 11) (<= 11 ULTIMATE.start_main_~x~4)), 104472#(and (<= ULTIMATE.start_main_~x~4 10) (<= 10 ULTIMATE.start_main_~x~4)), 104475#(and (<= ULTIMATE.start_main_~x~4 13) (<= 13 ULTIMATE.start_main_~x~4)), 104474#(and (<= 12 ULTIMATE.start_main_~x~4) (<= ULTIMATE.start_main_~x~4 12)), 104477#(and (<= 15 ULTIMATE.start_main_~x~4) (<= ULTIMATE.start_main_~x~4 15)), 104476#(and (<= 14 ULTIMATE.start_main_~x~4) (<= ULTIMATE.start_main_~x~4 14)), 104479#(and (<= ULTIMATE.start_main_~x~4 17) (<= 17 ULTIMATE.start_main_~x~4)), 104478#(and (<= ULTIMATE.start_main_~x~4 16) (<= 16 ULTIMATE.start_main_~x~4)), 104481#(and (<= 19 ULTIMATE.start_main_~x~4) (<= ULTIMATE.start_main_~x~4 19)), 104480#(and (<= 18 ULTIMATE.start_main_~x~4) (<= ULTIMATE.start_main_~x~4 18)), 104483#(and (<= ULTIMATE.start_main_~x~4 21) (<= 21 ULTIMATE.start_main_~x~4)), 104482#(and (<= 20 ULTIMATE.start_main_~x~4) (<= ULTIMATE.start_main_~x~4 20)), 104485#(and (<= ULTIMATE.start_main_~x~4 23) (<= 23 ULTIMATE.start_main_~x~4)), 104484#(and (<= ULTIMATE.start_main_~x~4 22) (<= 22 ULTIMATE.start_main_~x~4)), 104487#(and (<= ULTIMATE.start_main_~x~4 25) (<= 25 ULTIMATE.start_main_~x~4)), 104486#(and (<= ULTIMATE.start_main_~x~4 24) (<= 24 ULTIMATE.start_main_~x~4)), 104489#(and (<= ULTIMATE.start_main_~x~4 27) (<= 27 ULTIMATE.start_main_~x~4)), 104488#(and (<= ULTIMATE.start_main_~x~4 26) (<= 26 ULTIMATE.start_main_~x~4)), 104491#(and (<= 29 ULTIMATE.start_main_~x~4) (<= ULTIMATE.start_main_~x~4 29)), 104490#(and (<= ULTIMATE.start_main_~x~4 28) (<= 28 ULTIMATE.start_main_~x~4)), 104493#(and (<= ULTIMATE.start_main_~x~4 31) (<= 31 ULTIMATE.start_main_~x~4)), 104492#(and (<= ULTIMATE.start_main_~x~4 30) (<= 30 ULTIMATE.start_main_~x~4)), 104495#(and (<= ULTIMATE.start_main_~x~4 33) (<= 33 ULTIMATE.start_main_~x~4)), 104494#(and (<= ULTIMATE.start_main_~x~4 32) (<= 32 ULTIMATE.start_main_~x~4)), 104497#(and (<= ULTIMATE.start_main_~x~4 35) (<= 35 ULTIMATE.start_main_~x~4)), 104496#(and (<= 34 ULTIMATE.start_main_~x~4) (<= ULTIMATE.start_main_~x~4 34)), 104499#(and (<= ULTIMATE.start_main_~x~4 37) (<= 37 ULTIMATE.start_main_~x~4)), 104498#(and (<= 36 ULTIMATE.start_main_~x~4) (<= ULTIMATE.start_main_~x~4 36)), 104501#(and (<= ULTIMATE.start_main_~x~4 39) (<= 39 ULTIMATE.start_main_~x~4)), 104500#(and (<= 38 ULTIMATE.start_main_~x~4) (<= ULTIMATE.start_main_~x~4 38)), 104503#(and (<= ULTIMATE.start_main_~x~4 41) (<= 41 ULTIMATE.start_main_~x~4)), 104502#(and (<= ULTIMATE.start_main_~x~4 40) (<= 40 ULTIMATE.start_main_~x~4)), 104505#(and (<= ULTIMATE.start_main_~x~4 43) (<= 43 ULTIMATE.start_main_~x~4)), 104504#(and (<= ULTIMATE.start_main_~x~4 42) (<= 42 ULTIMATE.start_main_~x~4)), 104507#(and (<= 45 ULTIMATE.start_main_~x~4) (<= ULTIMATE.start_main_~x~4 45)), 104506#(and (<= 44 ULTIMATE.start_main_~x~4) (<= ULTIMATE.start_main_~x~4 44)), 104509#(and (<= 47 ULTIMATE.start_main_~x~4) (<= ULTIMATE.start_main_~x~4 47)), 104508#(and (<= ULTIMATE.start_main_~x~4 46) (<= 46 ULTIMATE.start_main_~x~4)), 104511#(and (<= 49 ULTIMATE.start_main_~x~4) (<= ULTIMATE.start_main_~x~4 49)), 104510#(and (<= 48 ULTIMATE.start_main_~x~4) (<= ULTIMATE.start_main_~x~4 48)), 104513#(and (<= 51 ULTIMATE.start_main_~x~4) (<= ULTIMATE.start_main_~x~4 51)), 104512#(and (<= ULTIMATE.start_main_~x~4 50) (<= 50 ULTIMATE.start_main_~x~4)), 104515#(and (<= 53 ULTIMATE.start_main_~x~4) (<= ULTIMATE.start_main_~x~4 53)), 104514#(and (<= ULTIMATE.start_main_~x~4 52) (<= 52 ULTIMATE.start_main_~x~4)), 104517#(and (<= 55 ULTIMATE.start_main_~x~4) (<= ULTIMATE.start_main_~x~4 55)), 104516#(and (<= ULTIMATE.start_main_~x~4 54) (<= 54 ULTIMATE.start_main_~x~4)), 104519#(and (<= 57 ULTIMATE.start_main_~x~4) (<= ULTIMATE.start_main_~x~4 57)), 104518#(and (<= 56 ULTIMATE.start_main_~x~4) (<= ULTIMATE.start_main_~x~4 56)), 104521#(and (<= ULTIMATE.start_main_~x~4 59) (<= 59 ULTIMATE.start_main_~x~4)), 104520#(and (<= 58 ULTIMATE.start_main_~x~4) (<= ULTIMATE.start_main_~x~4 58)), 104523#(and (<= 61 ULTIMATE.start_main_~x~4) (<= ULTIMATE.start_main_~x~4 61)), 104522#(and (<= 60 ULTIMATE.start_main_~x~4) (<= ULTIMATE.start_main_~x~4 60)), 104525#(and (<= 63 ULTIMATE.start_main_~x~4) (<= ULTIMATE.start_main_~x~4 63)), 104524#(and (<= ULTIMATE.start_main_~x~4 62) (<= 62 ULTIMATE.start_main_~x~4)), 104527#(and (<= 65 ULTIMATE.start_main_~x~4) (<= ULTIMATE.start_main_~x~4 65)), 104526#(and (<= ULTIMATE.start_main_~x~4 64) (<= 64 ULTIMATE.start_main_~x~4)), 104529#(and (<= 67 ULTIMATE.start_main_~x~4) (<= ULTIMATE.start_main_~x~4 67)), 104528#(and (<= 66 ULTIMATE.start_main_~x~4) (<= ULTIMATE.start_main_~x~4 66)), 104531#(and (<= 69 ULTIMATE.start_main_~x~4) (<= ULTIMATE.start_main_~x~4 69)), 104530#(and (<= ULTIMATE.start_main_~x~4 68) (<= 68 ULTIMATE.start_main_~x~4)), 104533#(and (<= 71 ULTIMATE.start_main_~x~4) (<= ULTIMATE.start_main_~x~4 71)), 104532#(and (<= ULTIMATE.start_main_~x~4 70) (<= 70 ULTIMATE.start_main_~x~4)), 104535#(and (<= ULTIMATE.start_main_~x~4 73) (<= 73 ULTIMATE.start_main_~x~4)), 104534#(and (<= 72 ULTIMATE.start_main_~x~4) (<= ULTIMATE.start_main_~x~4 72)), 104537#(and (<= ULTIMATE.start_main_~x~4 75) (<= 75 ULTIMATE.start_main_~x~4)), 104536#(and (<= 74 ULTIMATE.start_main_~x~4) (<= ULTIMATE.start_main_~x~4 74)), 104539#(and (<= ULTIMATE.start_main_~x~4 77) (<= 77 ULTIMATE.start_main_~x~4)), 104538#(and (<= ULTIMATE.start_main_~x~4 76) (<= 76 ULTIMATE.start_main_~x~4)), 104541#(and (<= 79 ULTIMATE.start_main_~x~4) (<= ULTIMATE.start_main_~x~4 79)), 104540#(and (<= ULTIMATE.start_main_~x~4 78) (<= 78 ULTIMATE.start_main_~x~4)), 104543#(and (<= ULTIMATE.start_main_~x~4 81) (<= 81 ULTIMATE.start_main_~x~4)), 104542#(and (<= ULTIMATE.start_main_~x~4 80) (<= 80 ULTIMATE.start_main_~x~4)), 104545#(and (<= 83 ULTIMATE.start_main_~x~4) (<= ULTIMATE.start_main_~x~4 83)), 104544#(and (<= ULTIMATE.start_main_~x~4 82) (<= 82 ULTIMATE.start_main_~x~4)), 104547#(and (<= 85 ULTIMATE.start_main_~x~4) (<= ULTIMATE.start_main_~x~4 85)), 104546#(and (<= ULTIMATE.start_main_~x~4 84) (<= 84 ULTIMATE.start_main_~x~4)), 104549#(and (<= ULTIMATE.start_main_~x~4 87) (<= 87 ULTIMATE.start_main_~x~4)), 104548#(and (<= 86 ULTIMATE.start_main_~x~4) (<= ULTIMATE.start_main_~x~4 86)), 104551#(and (<= ULTIMATE.start_main_~x~4 89) (<= 89 ULTIMATE.start_main_~x~4)), 104550#(and (<= 88 ULTIMATE.start_main_~x~4) (<= ULTIMATE.start_main_~x~4 88)), 104553#(and (<= ULTIMATE.start_main_~x~4 91) (<= 91 ULTIMATE.start_main_~x~4)), 104552#(and (<= ULTIMATE.start_main_~x~4 90) (<= 90 ULTIMATE.start_main_~x~4)), 104555#(and (<= ULTIMATE.start_main_~x~4 93) (<= 93 ULTIMATE.start_main_~x~4)), 104554#(and (<= ULTIMATE.start_main_~x~4 92) (<= 92 ULTIMATE.start_main_~x~4)), 104557#(and (<= 95 ULTIMATE.start_main_~x~4) (<= ULTIMATE.start_main_~x~4 95)), 104556#(and (<= ULTIMATE.start_main_~x~4 94) (<= 94 ULTIMATE.start_main_~x~4)), 104559#(and (<= 97 ULTIMATE.start_main_~x~4) (<= ULTIMATE.start_main_~x~4 97)), 104558#(and (<= ULTIMATE.start_main_~x~4 96) (<= 96 ULTIMATE.start_main_~x~4)), 104561#(and (<= 99 ULTIMATE.start_main_~x~4) (<= ULTIMATE.start_main_~x~4 99)), 104560#(and (<= ULTIMATE.start_main_~x~4 98) (<= 98 ULTIMATE.start_main_~x~4)), 104563#(and (<= ULTIMATE.start_main_~x~4 101) (<= 101 ULTIMATE.start_main_~x~4)), 104562#(and (<= ULTIMATE.start_main_~x~4 100) (<= 100 ULTIMATE.start_main_~x~4)), 104565#(and (<= 103 ULTIMATE.start_main_~x~4) (<= ULTIMATE.start_main_~x~4 103)), 104564#(and (<= 102 ULTIMATE.start_main_~x~4) (<= ULTIMATE.start_main_~x~4 102)), 104567#(and (<= 105 ULTIMATE.start_main_~x~4) (<= ULTIMATE.start_main_~x~4 105)), 104566#(and (<= ULTIMATE.start_main_~x~4 104) (<= 104 ULTIMATE.start_main_~x~4)), 104569#(and (<= 107 ULTIMATE.start_main_~x~4) (<= ULTIMATE.start_main_~x~4 107)), 104568#(and (<= 106 ULTIMATE.start_main_~x~4) (<= ULTIMATE.start_main_~x~4 106)), 104571#(and (<= ULTIMATE.start_main_~x~4 109) (<= 109 ULTIMATE.start_main_~x~4)), 104570#(and (<= 108 ULTIMATE.start_main_~x~4) (<= ULTIMATE.start_main_~x~4 108)), 104573#(and (<= ULTIMATE.start_main_~x~4 111) (<= 111 ULTIMATE.start_main_~x~4)), 104572#(and (<= 110 ULTIMATE.start_main_~x~4) (<= ULTIMATE.start_main_~x~4 110)), 104575#(and (<= 113 ULTIMATE.start_main_~x~4) (<= ULTIMATE.start_main_~x~4 113)), 104574#(and (<= ULTIMATE.start_main_~x~4 112) (<= 112 ULTIMATE.start_main_~x~4)), 104577#(and (<= ULTIMATE.start_main_~x~4 115) (<= 115 ULTIMATE.start_main_~x~4)), 104576#(and (<= ULTIMATE.start_main_~x~4 114) (<= 114 ULTIMATE.start_main_~x~4)), 104579#(and (<= ULTIMATE.start_main_~x~4 117) (<= 117 ULTIMATE.start_main_~x~4)), 104578#(and (<= ULTIMATE.start_main_~x~4 116) (<= 116 ULTIMATE.start_main_~x~4)), 104581#(and (<= 119 ULTIMATE.start_main_~x~4) (<= ULTIMATE.start_main_~x~4 119)), 104580#(and (<= 118 ULTIMATE.start_main_~x~4) (<= ULTIMATE.start_main_~x~4 118)), 104583#(and (<= 121 ULTIMATE.start_main_~x~4) (<= ULTIMATE.start_main_~x~4 121)), 104582#(and (<= 120 ULTIMATE.start_main_~x~4) (<= ULTIMATE.start_main_~x~4 120)), 104585#(and (<= ULTIMATE.start_main_~x~4 123) (<= 123 ULTIMATE.start_main_~x~4)), 104584#(and (<= 122 ULTIMATE.start_main_~x~4) (<= ULTIMATE.start_main_~x~4 122)), 104587#(and (<= 125 ULTIMATE.start_main_~x~4) (<= ULTIMATE.start_main_~x~4 125)), 104586#(and (<= ULTIMATE.start_main_~x~4 124) (<= 124 ULTIMATE.start_main_~x~4)), 104589#(and (<= ULTIMATE.start_main_~x~4 127) (<= 127 ULTIMATE.start_main_~x~4)), 104588#(and (<= 126 ULTIMATE.start_main_~x~4) (<= ULTIMATE.start_main_~x~4 126)), 104591#(and (<= 129 ULTIMATE.start_main_~x~4) (<= ULTIMATE.start_main_~x~4 129)), 104590#(and (<= 128 ULTIMATE.start_main_~x~4) (<= ULTIMATE.start_main_~x~4 128)), 104593#(and (<= 131 ULTIMATE.start_main_~x~4) (<= ULTIMATE.start_main_~x~4 131)), 104592#(and (<= ULTIMATE.start_main_~x~4 130) (<= 130 ULTIMATE.start_main_~x~4)), 104595#(and (<= ULTIMATE.start_main_~x~4 133) (<= 133 ULTIMATE.start_main_~x~4)), 104594#(and (<= 132 ULTIMATE.start_main_~x~4) (<= ULTIMATE.start_main_~x~4 132)), 104597#(and (<= 135 ULTIMATE.start_main_~x~4) (<= ULTIMATE.start_main_~x~4 135)), 104596#(and (<= 134 ULTIMATE.start_main_~x~4) (<= ULTIMATE.start_main_~x~4 134)), 104599#(and (<= 137 ULTIMATE.start_main_~x~4) (<= ULTIMATE.start_main_~x~4 137)), 104598#(and (<= ULTIMATE.start_main_~x~4 136) (<= 136 ULTIMATE.start_main_~x~4)), 104601#(and (<= 139 ULTIMATE.start_main_~x~4) (<= ULTIMATE.start_main_~x~4 139)), 104600#(and (<= 138 ULTIMATE.start_main_~x~4) (<= ULTIMATE.start_main_~x~4 138)), 104603#(and (<= 141 ULTIMATE.start_main_~x~4) (<= ULTIMATE.start_main_~x~4 141)), 104602#(and (<= 140 ULTIMATE.start_main_~x~4) (<= ULTIMATE.start_main_~x~4 140)), 104605#(and (<= ULTIMATE.start_main_~x~4 143) (<= 143 ULTIMATE.start_main_~x~4)), 104604#(and (<= 142 ULTIMATE.start_main_~x~4) (<= ULTIMATE.start_main_~x~4 142)), 104607#(and (<= ULTIMATE.start_main_~x~4 145) (<= 145 ULTIMATE.start_main_~x~4)), 104606#(and (<= ULTIMATE.start_main_~x~4 144) (<= 144 ULTIMATE.start_main_~x~4)), 104609#(and (<= 147 ULTIMATE.start_main_~x~4) (<= ULTIMATE.start_main_~x~4 147)), 104608#(and (<= ULTIMATE.start_main_~x~4 146) (<= 146 ULTIMATE.start_main_~x~4)), 104611#(and (<= 149 ULTIMATE.start_main_~x~4) (<= ULTIMATE.start_main_~x~4 149)), 104610#(and (<= ULTIMATE.start_main_~x~4 148) (<= 148 ULTIMATE.start_main_~x~4))] [2018-07-23 13:52:39,088 INFO L134 CoverageAnalysis]: Checked inductivity of 22350 backedges. 0 proven. 22350 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-07-23 13:52:39,088 INFO L450 AbstractCegarLoop]: Interpolant automaton has 152 states [2018-07-23 13:52:39,088 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 152 interpolants. [2018-07-23 13:52:39,089 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=301, Invalid=22651, Unknown=0, NotChecked=0, Total=22952 [2018-07-23 13:52:39,089 INFO L87 Difference]: Start difference. First operand 303 states and 303 transitions. Second operand 152 states. [2018-07-23 13:52:40,670 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-07-23 13:52:40,671 INFO L93 Difference]: Finished difference Result 307 states and 307 transitions. [2018-07-23 13:52:40,671 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 152 states. [2018-07-23 13:52:40,671 INFO L78 Accepts]: Start accepts. Automaton has 152 states. Word has length 302 [2018-07-23 13:52:40,671 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-07-23 13:52:40,672 INFO L225 Difference]: With dead ends: 307 [2018-07-23 13:52:40,672 INFO L226 Difference]: Without dead ends: 305 [2018-07-23 13:52:40,673 INFO L575 BasicCegarLoop]: 0 DeclaredPredicates, 151 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 150 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.9s TimeCoverageRelationStatistics Valid=301, Invalid=22651, Unknown=0, NotChecked=0, Total=22952 [2018-07-23 13:52:40,673 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 305 states. [2018-07-23 13:52:40,680 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 305 to 305. [2018-07-23 13:52:40,680 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 305 states. [2018-07-23 13:52:40,681 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 305 states to 305 states and 305 transitions. [2018-07-23 13:52:40,681 INFO L78 Accepts]: Start accepts. Automaton has 305 states and 305 transitions. Word has length 302 [2018-07-23 13:52:40,681 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-07-23 13:52:40,681 INFO L471 AbstractCegarLoop]: Abstraction has 305 states and 305 transitions. [2018-07-23 13:52:40,681 INFO L472 AbstractCegarLoop]: Interpolant automaton has 152 states. [2018-07-23 13:52:40,681 INFO L276 IsEmpty]: Start isEmpty. Operand 305 states and 305 transitions. [2018-07-23 13:52:40,682 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 305 [2018-07-23 13:52:40,682 INFO L349 BasicCegarLoop]: Found error trace [2018-07-23 13:52:40,682 INFO L357 BasicCegarLoop]: trace histogram [151, 150, 1, 1, 1] [2018-07-23 13:52:40,682 INFO L414 AbstractCegarLoop]: === Iteration 151 === [ULTIMATE.startErr0AssertViolationASSERT]=== [2018-07-23 13:52:40,682 INFO L82 PathProgramCache]: Analyzing trace with hash -361407165, now seen corresponding path program 150 times [2018-07-23 13:52:40,682 INFO L69 tionRefinementEngine]: Using refinement strategy FixedRefinementStrategy [2018-07-23 13:52:41,008 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-07-23 13:52:42,229 INFO L134 CoverageAnalysis]: Checked inductivity of 22650 backedges. 0 proven. 22650 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-07-23 13:52:42,230 INFO L309 seRefinementStrategy]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2018-07-23 13:52:42,230 INFO L324 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [152] total 152 [2018-07-23 13:52:42,230 INFO L142 lantAutomatonBuilder]: Constructing canonical interpolant automaton, with selfloop in false state [2018-07-23 13:52:42,230 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-07-23 13:52:42,231 INFO L185 omatonBuilderFactory]: Interpolants [105985#(and (<= 147 ULTIMATE.start_main_~x~4) (<= ULTIMATE.start_main_~x~4 147)), 105984#(and (<= ULTIMATE.start_main_~x~4 146) (<= 146 ULTIMATE.start_main_~x~4)), 105987#(and (<= 149 ULTIMATE.start_main_~x~4) (<= ULTIMATE.start_main_~x~4 149)), 105986#(and (<= ULTIMATE.start_main_~x~4 148) (<= 148 ULTIMATE.start_main_~x~4)), 105988#(and (<= 150 ULTIMATE.start_main_~x~4) (<= ULTIMATE.start_main_~x~4 150)), 105837#false, 105836#true, 105839#(and (<= ULTIMATE.start_main_~x~4 1) (<= 1 ULTIMATE.start_main_~x~4)), 105838#(and (<= ULTIMATE.start_main_~x~4 0) (<= 0 ULTIMATE.start_main_~x~4)), 105841#(and (<= 3 ULTIMATE.start_main_~x~4) (<= ULTIMATE.start_main_~x~4 3)), 105840#(and (<= 2 ULTIMATE.start_main_~x~4) (<= ULTIMATE.start_main_~x~4 2)), 105843#(and (<= ULTIMATE.start_main_~x~4 5) (<= 5 ULTIMATE.start_main_~x~4)), 105842#(and (<= ULTIMATE.start_main_~x~4 4) (<= 4 ULTIMATE.start_main_~x~4)), 105845#(and (<= ULTIMATE.start_main_~x~4 7) (<= 7 ULTIMATE.start_main_~x~4)), 105844#(and (<= 6 ULTIMATE.start_main_~x~4) (<= ULTIMATE.start_main_~x~4 6)), 105847#(and (<= 9 ULTIMATE.start_main_~x~4) (<= ULTIMATE.start_main_~x~4 9)), 105846#(and (<= ULTIMATE.start_main_~x~4 8) (<= 8 ULTIMATE.start_main_~x~4)), 105849#(and (<= ULTIMATE.start_main_~x~4 11) (<= 11 ULTIMATE.start_main_~x~4)), 105848#(and (<= ULTIMATE.start_main_~x~4 10) (<= 10 ULTIMATE.start_main_~x~4)), 105851#(and (<= ULTIMATE.start_main_~x~4 13) (<= 13 ULTIMATE.start_main_~x~4)), 105850#(and (<= 12 ULTIMATE.start_main_~x~4) (<= ULTIMATE.start_main_~x~4 12)), 105853#(and (<= 15 ULTIMATE.start_main_~x~4) (<= ULTIMATE.start_main_~x~4 15)), 105852#(and (<= 14 ULTIMATE.start_main_~x~4) (<= ULTIMATE.start_main_~x~4 14)), 105855#(and (<= ULTIMATE.start_main_~x~4 17) (<= 17 ULTIMATE.start_main_~x~4)), 105854#(and (<= ULTIMATE.start_main_~x~4 16) (<= 16 ULTIMATE.start_main_~x~4)), 105857#(and (<= 19 ULTIMATE.start_main_~x~4) (<= ULTIMATE.start_main_~x~4 19)), 105856#(and (<= 18 ULTIMATE.start_main_~x~4) (<= ULTIMATE.start_main_~x~4 18)), 105859#(and (<= ULTIMATE.start_main_~x~4 21) (<= 21 ULTIMATE.start_main_~x~4)), 105858#(and (<= 20 ULTIMATE.start_main_~x~4) (<= ULTIMATE.start_main_~x~4 20)), 105861#(and (<= ULTIMATE.start_main_~x~4 23) (<= 23 ULTIMATE.start_main_~x~4)), 105860#(and (<= ULTIMATE.start_main_~x~4 22) (<= 22 ULTIMATE.start_main_~x~4)), 105863#(and (<= ULTIMATE.start_main_~x~4 25) (<= 25 ULTIMATE.start_main_~x~4)), 105862#(and (<= ULTIMATE.start_main_~x~4 24) (<= 24 ULTIMATE.start_main_~x~4)), 105865#(and (<= ULTIMATE.start_main_~x~4 27) (<= 27 ULTIMATE.start_main_~x~4)), 105864#(and (<= ULTIMATE.start_main_~x~4 26) (<= 26 ULTIMATE.start_main_~x~4)), 105867#(and (<= 29 ULTIMATE.start_main_~x~4) (<= ULTIMATE.start_main_~x~4 29)), 105866#(and (<= ULTIMATE.start_main_~x~4 28) (<= 28 ULTIMATE.start_main_~x~4)), 105869#(and (<= ULTIMATE.start_main_~x~4 31) (<= 31 ULTIMATE.start_main_~x~4)), 105868#(and (<= ULTIMATE.start_main_~x~4 30) (<= 30 ULTIMATE.start_main_~x~4)), 105871#(and (<= ULTIMATE.start_main_~x~4 33) (<= 33 ULTIMATE.start_main_~x~4)), 105870#(and (<= ULTIMATE.start_main_~x~4 32) (<= 32 ULTIMATE.start_main_~x~4)), 105873#(and (<= ULTIMATE.start_main_~x~4 35) (<= 35 ULTIMATE.start_main_~x~4)), 105872#(and (<= 34 ULTIMATE.start_main_~x~4) (<= ULTIMATE.start_main_~x~4 34)), 105875#(and (<= ULTIMATE.start_main_~x~4 37) (<= 37 ULTIMATE.start_main_~x~4)), 105874#(and (<= 36 ULTIMATE.start_main_~x~4) (<= ULTIMATE.start_main_~x~4 36)), 105877#(and (<= ULTIMATE.start_main_~x~4 39) (<= 39 ULTIMATE.start_main_~x~4)), 105876#(and (<= 38 ULTIMATE.start_main_~x~4) (<= ULTIMATE.start_main_~x~4 38)), 105879#(and (<= ULTIMATE.start_main_~x~4 41) (<= 41 ULTIMATE.start_main_~x~4)), 105878#(and (<= ULTIMATE.start_main_~x~4 40) (<= 40 ULTIMATE.start_main_~x~4)), 105881#(and (<= ULTIMATE.start_main_~x~4 43) (<= 43 ULTIMATE.start_main_~x~4)), 105880#(and (<= ULTIMATE.start_main_~x~4 42) (<= 42 ULTIMATE.start_main_~x~4)), 105883#(and (<= 45 ULTIMATE.start_main_~x~4) (<= ULTIMATE.start_main_~x~4 45)), 105882#(and (<= 44 ULTIMATE.start_main_~x~4) (<= ULTIMATE.start_main_~x~4 44)), 105885#(and (<= 47 ULTIMATE.start_main_~x~4) (<= ULTIMATE.start_main_~x~4 47)), 105884#(and (<= ULTIMATE.start_main_~x~4 46) (<= 46 ULTIMATE.start_main_~x~4)), 105887#(and (<= 49 ULTIMATE.start_main_~x~4) (<= ULTIMATE.start_main_~x~4 49)), 105886#(and (<= 48 ULTIMATE.start_main_~x~4) (<= ULTIMATE.start_main_~x~4 48)), 105889#(and (<= 51 ULTIMATE.start_main_~x~4) (<= ULTIMATE.start_main_~x~4 51)), 105888#(and (<= ULTIMATE.start_main_~x~4 50) (<= 50 ULTIMATE.start_main_~x~4)), 105891#(and (<= 53 ULTIMATE.start_main_~x~4) (<= ULTIMATE.start_main_~x~4 53)), 105890#(and (<= ULTIMATE.start_main_~x~4 52) (<= 52 ULTIMATE.start_main_~x~4)), 105893#(and (<= 55 ULTIMATE.start_main_~x~4) (<= ULTIMATE.start_main_~x~4 55)), 105892#(and (<= ULTIMATE.start_main_~x~4 54) (<= 54 ULTIMATE.start_main_~x~4)), 105895#(and (<= 57 ULTIMATE.start_main_~x~4) (<= ULTIMATE.start_main_~x~4 57)), 105894#(and (<= 56 ULTIMATE.start_main_~x~4) (<= ULTIMATE.start_main_~x~4 56)), 105897#(and (<= ULTIMATE.start_main_~x~4 59) (<= 59 ULTIMATE.start_main_~x~4)), 105896#(and (<= 58 ULTIMATE.start_main_~x~4) (<= ULTIMATE.start_main_~x~4 58)), 105899#(and (<= 61 ULTIMATE.start_main_~x~4) (<= ULTIMATE.start_main_~x~4 61)), 105898#(and (<= 60 ULTIMATE.start_main_~x~4) (<= ULTIMATE.start_main_~x~4 60)), 105901#(and (<= 63 ULTIMATE.start_main_~x~4) (<= ULTIMATE.start_main_~x~4 63)), 105900#(and (<= ULTIMATE.start_main_~x~4 62) (<= 62 ULTIMATE.start_main_~x~4)), 105903#(and (<= 65 ULTIMATE.start_main_~x~4) (<= ULTIMATE.start_main_~x~4 65)), 105902#(and (<= ULTIMATE.start_main_~x~4 64) (<= 64 ULTIMATE.start_main_~x~4)), 105905#(and (<= 67 ULTIMATE.start_main_~x~4) (<= ULTIMATE.start_main_~x~4 67)), 105904#(and (<= 66 ULTIMATE.start_main_~x~4) (<= ULTIMATE.start_main_~x~4 66)), 105907#(and (<= 69 ULTIMATE.start_main_~x~4) (<= ULTIMATE.start_main_~x~4 69)), 105906#(and (<= ULTIMATE.start_main_~x~4 68) (<= 68 ULTIMATE.start_main_~x~4)), 105909#(and (<= 71 ULTIMATE.start_main_~x~4) (<= ULTIMATE.start_main_~x~4 71)), 105908#(and (<= ULTIMATE.start_main_~x~4 70) (<= 70 ULTIMATE.start_main_~x~4)), 105911#(and (<= ULTIMATE.start_main_~x~4 73) (<= 73 ULTIMATE.start_main_~x~4)), 105910#(and (<= 72 ULTIMATE.start_main_~x~4) (<= ULTIMATE.start_main_~x~4 72)), 105913#(and (<= ULTIMATE.start_main_~x~4 75) (<= 75 ULTIMATE.start_main_~x~4)), 105912#(and (<= 74 ULTIMATE.start_main_~x~4) (<= ULTIMATE.start_main_~x~4 74)), 105915#(and (<= ULTIMATE.start_main_~x~4 77) (<= 77 ULTIMATE.start_main_~x~4)), 105914#(and (<= ULTIMATE.start_main_~x~4 76) (<= 76 ULTIMATE.start_main_~x~4)), 105917#(and (<= 79 ULTIMATE.start_main_~x~4) (<= ULTIMATE.start_main_~x~4 79)), 105916#(and (<= ULTIMATE.start_main_~x~4 78) (<= 78 ULTIMATE.start_main_~x~4)), 105919#(and (<= ULTIMATE.start_main_~x~4 81) (<= 81 ULTIMATE.start_main_~x~4)), 105918#(and (<= ULTIMATE.start_main_~x~4 80) (<= 80 ULTIMATE.start_main_~x~4)), 105921#(and (<= 83 ULTIMATE.start_main_~x~4) (<= ULTIMATE.start_main_~x~4 83)), 105920#(and (<= ULTIMATE.start_main_~x~4 82) (<= 82 ULTIMATE.start_main_~x~4)), 105923#(and (<= 85 ULTIMATE.start_main_~x~4) (<= ULTIMATE.start_main_~x~4 85)), 105922#(and (<= ULTIMATE.start_main_~x~4 84) (<= 84 ULTIMATE.start_main_~x~4)), 105925#(and (<= ULTIMATE.start_main_~x~4 87) (<= 87 ULTIMATE.start_main_~x~4)), 105924#(and (<= 86 ULTIMATE.start_main_~x~4) (<= ULTIMATE.start_main_~x~4 86)), 105927#(and (<= ULTIMATE.start_main_~x~4 89) (<= 89 ULTIMATE.start_main_~x~4)), 105926#(and (<= 88 ULTIMATE.start_main_~x~4) (<= ULTIMATE.start_main_~x~4 88)), 105929#(and (<= ULTIMATE.start_main_~x~4 91) (<= 91 ULTIMATE.start_main_~x~4)), 105928#(and (<= ULTIMATE.start_main_~x~4 90) (<= 90 ULTIMATE.start_main_~x~4)), 105931#(and (<= ULTIMATE.start_main_~x~4 93) (<= 93 ULTIMATE.start_main_~x~4)), 105930#(and (<= ULTIMATE.start_main_~x~4 92) (<= 92 ULTIMATE.start_main_~x~4)), 105933#(and (<= 95 ULTIMATE.start_main_~x~4) (<= ULTIMATE.start_main_~x~4 95)), 105932#(and (<= ULTIMATE.start_main_~x~4 94) (<= 94 ULTIMATE.start_main_~x~4)), 105935#(and (<= 97 ULTIMATE.start_main_~x~4) (<= ULTIMATE.start_main_~x~4 97)), 105934#(and (<= ULTIMATE.start_main_~x~4 96) (<= 96 ULTIMATE.start_main_~x~4)), 105937#(and (<= 99 ULTIMATE.start_main_~x~4) (<= ULTIMATE.start_main_~x~4 99)), 105936#(and (<= ULTIMATE.start_main_~x~4 98) (<= 98 ULTIMATE.start_main_~x~4)), 105939#(and (<= ULTIMATE.start_main_~x~4 101) (<= 101 ULTIMATE.start_main_~x~4)), 105938#(and (<= ULTIMATE.start_main_~x~4 100) (<= 100 ULTIMATE.start_main_~x~4)), 105941#(and (<= 103 ULTIMATE.start_main_~x~4) (<= ULTIMATE.start_main_~x~4 103)), 105940#(and (<= 102 ULTIMATE.start_main_~x~4) (<= ULTIMATE.start_main_~x~4 102)), 105943#(and (<= 105 ULTIMATE.start_main_~x~4) (<= ULTIMATE.start_main_~x~4 105)), 105942#(and (<= ULTIMATE.start_main_~x~4 104) (<= 104 ULTIMATE.start_main_~x~4)), 105945#(and (<= 107 ULTIMATE.start_main_~x~4) (<= ULTIMATE.start_main_~x~4 107)), 105944#(and (<= 106 ULTIMATE.start_main_~x~4) (<= ULTIMATE.start_main_~x~4 106)), 105947#(and (<= ULTIMATE.start_main_~x~4 109) (<= 109 ULTIMATE.start_main_~x~4)), 105946#(and (<= 108 ULTIMATE.start_main_~x~4) (<= ULTIMATE.start_main_~x~4 108)), 105949#(and (<= ULTIMATE.start_main_~x~4 111) (<= 111 ULTIMATE.start_main_~x~4)), 105948#(and (<= 110 ULTIMATE.start_main_~x~4) (<= ULTIMATE.start_main_~x~4 110)), 105951#(and (<= 113 ULTIMATE.start_main_~x~4) (<= ULTIMATE.start_main_~x~4 113)), 105950#(and (<= ULTIMATE.start_main_~x~4 112) (<= 112 ULTIMATE.start_main_~x~4)), 105953#(and (<= ULTIMATE.start_main_~x~4 115) (<= 115 ULTIMATE.start_main_~x~4)), 105952#(and (<= ULTIMATE.start_main_~x~4 114) (<= 114 ULTIMATE.start_main_~x~4)), 105955#(and (<= ULTIMATE.start_main_~x~4 117) (<= 117 ULTIMATE.start_main_~x~4)), 105954#(and (<= ULTIMATE.start_main_~x~4 116) (<= 116 ULTIMATE.start_main_~x~4)), 105957#(and (<= 119 ULTIMATE.start_main_~x~4) (<= ULTIMATE.start_main_~x~4 119)), 105956#(and (<= 118 ULTIMATE.start_main_~x~4) (<= ULTIMATE.start_main_~x~4 118)), 105959#(and (<= 121 ULTIMATE.start_main_~x~4) (<= ULTIMATE.start_main_~x~4 121)), 105958#(and (<= 120 ULTIMATE.start_main_~x~4) (<= ULTIMATE.start_main_~x~4 120)), 105961#(and (<= ULTIMATE.start_main_~x~4 123) (<= 123 ULTIMATE.start_main_~x~4)), 105960#(and (<= 122 ULTIMATE.start_main_~x~4) (<= ULTIMATE.start_main_~x~4 122)), 105963#(and (<= 125 ULTIMATE.start_main_~x~4) (<= ULTIMATE.start_main_~x~4 125)), 105962#(and (<= ULTIMATE.start_main_~x~4 124) (<= 124 ULTIMATE.start_main_~x~4)), 105965#(and (<= ULTIMATE.start_main_~x~4 127) (<= 127 ULTIMATE.start_main_~x~4)), 105964#(and (<= 126 ULTIMATE.start_main_~x~4) (<= ULTIMATE.start_main_~x~4 126)), 105967#(and (<= 129 ULTIMATE.start_main_~x~4) (<= ULTIMATE.start_main_~x~4 129)), 105966#(and (<= 128 ULTIMATE.start_main_~x~4) (<= ULTIMATE.start_main_~x~4 128)), 105969#(and (<= 131 ULTIMATE.start_main_~x~4) (<= ULTIMATE.start_main_~x~4 131)), 105968#(and (<= ULTIMATE.start_main_~x~4 130) (<= 130 ULTIMATE.start_main_~x~4)), 105971#(and (<= ULTIMATE.start_main_~x~4 133) (<= 133 ULTIMATE.start_main_~x~4)), 105970#(and (<= 132 ULTIMATE.start_main_~x~4) (<= ULTIMATE.start_main_~x~4 132)), 105973#(and (<= 135 ULTIMATE.start_main_~x~4) (<= ULTIMATE.start_main_~x~4 135)), 105972#(and (<= 134 ULTIMATE.start_main_~x~4) (<= ULTIMATE.start_main_~x~4 134)), 105975#(and (<= 137 ULTIMATE.start_main_~x~4) (<= ULTIMATE.start_main_~x~4 137)), 105974#(and (<= ULTIMATE.start_main_~x~4 136) (<= 136 ULTIMATE.start_main_~x~4)), 105977#(and (<= 139 ULTIMATE.start_main_~x~4) (<= ULTIMATE.start_main_~x~4 139)), 105976#(and (<= 138 ULTIMATE.start_main_~x~4) (<= ULTIMATE.start_main_~x~4 138)), 105979#(and (<= 141 ULTIMATE.start_main_~x~4) (<= ULTIMATE.start_main_~x~4 141)), 105978#(and (<= 140 ULTIMATE.start_main_~x~4) (<= ULTIMATE.start_main_~x~4 140)), 105981#(and (<= ULTIMATE.start_main_~x~4 143) (<= 143 ULTIMATE.start_main_~x~4)), 105980#(and (<= 142 ULTIMATE.start_main_~x~4) (<= ULTIMATE.start_main_~x~4 142)), 105983#(and (<= ULTIMATE.start_main_~x~4 145) (<= 145 ULTIMATE.start_main_~x~4)), 105982#(and (<= ULTIMATE.start_main_~x~4 144) (<= 144 ULTIMATE.start_main_~x~4))] [2018-07-23 13:52:42,232 INFO L134 CoverageAnalysis]: Checked inductivity of 22650 backedges. 0 proven. 22650 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-07-23 13:52:42,232 INFO L450 AbstractCegarLoop]: Interpolant automaton has 153 states [2018-07-23 13:52:42,232 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 153 interpolants. [2018-07-23 13:52:42,232 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=303, Invalid=22953, Unknown=0, NotChecked=0, Total=23256 [2018-07-23 13:52:42,233 INFO L87 Difference]: Start difference. First operand 305 states and 305 transitions. Second operand 153 states. [2018-07-23 13:52:43,838 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-07-23 13:52:43,838 INFO L93 Difference]: Finished difference Result 309 states and 309 transitions. [2018-07-23 13:52:43,839 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 153 states. [2018-07-23 13:52:43,839 INFO L78 Accepts]: Start accepts. Automaton has 153 states. Word has length 304 [2018-07-23 13:52:43,839 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-07-23 13:52:43,839 INFO L225 Difference]: With dead ends: 309 [2018-07-23 13:52:43,840 INFO L226 Difference]: Without dead ends: 307 [2018-07-23 13:52:43,840 INFO L575 BasicCegarLoop]: 0 DeclaredPredicates, 152 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 151 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.9s TimeCoverageRelationStatistics Valid=303, Invalid=22953, Unknown=0, NotChecked=0, Total=23256 [2018-07-23 13:52:43,840 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 307 states. [2018-07-23 13:52:43,848 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 307 to 307. [2018-07-23 13:52:43,848 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 307 states. [2018-07-23 13:52:43,848 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 307 states to 307 states and 307 transitions. [2018-07-23 13:52:43,848 INFO L78 Accepts]: Start accepts. Automaton has 307 states and 307 transitions. Word has length 304 [2018-07-23 13:52:43,849 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-07-23 13:52:43,849 INFO L471 AbstractCegarLoop]: Abstraction has 307 states and 307 transitions. [2018-07-23 13:52:43,849 INFO L472 AbstractCegarLoop]: Interpolant automaton has 153 states. [2018-07-23 13:52:43,849 INFO L276 IsEmpty]: Start isEmpty. Operand 307 states and 307 transitions. [2018-07-23 13:52:43,850 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 307 [2018-07-23 13:52:43,850 INFO L349 BasicCegarLoop]: Found error trace [2018-07-23 13:52:43,850 INFO L357 BasicCegarLoop]: trace histogram [152, 151, 1, 1, 1] [2018-07-23 13:52:43,850 INFO L414 AbstractCegarLoop]: === Iteration 152 === [ULTIMATE.startErr0AssertViolationASSERT]=== [2018-07-23 13:52:43,850 INFO L82 PathProgramCache]: Analyzing trace with hash 580117501, now seen corresponding path program 151 times [2018-07-23 13:52:43,850 INFO L69 tionRefinementEngine]: Using refinement strategy FixedRefinementStrategy [2018-07-23 13:52:44,195 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-07-23 13:52:45,406 INFO L134 CoverageAnalysis]: Checked inductivity of 22952 backedges. 0 proven. 22952 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-07-23 13:52:45,407 INFO L309 seRefinementStrategy]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2018-07-23 13:52:45,407 INFO L324 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [153] total 153 [2018-07-23 13:52:45,407 INFO L142 lantAutomatonBuilder]: Constructing canonical interpolant automaton, with selfloop in false state [2018-07-23 13:52:45,407 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 13:52:45,408 INFO L185 omatonBuilderFactory]: Interpolants [107265#(and (<= ULTIMATE.start_main_~x~4 42) (<= 42 ULTIMATE.start_main_~x~4)), 107264#(and (<= ULTIMATE.start_main_~x~4 41) (<= 41 ULTIMATE.start_main_~x~4)), 107267#(and (<= 44 ULTIMATE.start_main_~x~4) (<= ULTIMATE.start_main_~x~4 44)), 107266#(and (<= ULTIMATE.start_main_~x~4 43) (<= 43 ULTIMATE.start_main_~x~4)), 107269#(and (<= ULTIMATE.start_main_~x~4 46) (<= 46 ULTIMATE.start_main_~x~4)), 107268#(and (<= 45 ULTIMATE.start_main_~x~4) (<= ULTIMATE.start_main_~x~4 45)), 107271#(and (<= 48 ULTIMATE.start_main_~x~4) (<= ULTIMATE.start_main_~x~4 48)), 107270#(and (<= 47 ULTIMATE.start_main_~x~4) (<= ULTIMATE.start_main_~x~4 47)), 107273#(and (<= ULTIMATE.start_main_~x~4 50) (<= 50 ULTIMATE.start_main_~x~4)), 107272#(and (<= 49 ULTIMATE.start_main_~x~4) (<= ULTIMATE.start_main_~x~4 49)), 107275#(and (<= ULTIMATE.start_main_~x~4 52) (<= 52 ULTIMATE.start_main_~x~4)), 107274#(and (<= 51 ULTIMATE.start_main_~x~4) (<= ULTIMATE.start_main_~x~4 51)), 107277#(and (<= ULTIMATE.start_main_~x~4 54) (<= 54 ULTIMATE.start_main_~x~4)), 107276#(and (<= 53 ULTIMATE.start_main_~x~4) (<= ULTIMATE.start_main_~x~4 53)), 107279#(and (<= 56 ULTIMATE.start_main_~x~4) (<= ULTIMATE.start_main_~x~4 56)), 107278#(and (<= 55 ULTIMATE.start_main_~x~4) (<= ULTIMATE.start_main_~x~4 55)), 107281#(and (<= 58 ULTIMATE.start_main_~x~4) (<= ULTIMATE.start_main_~x~4 58)), 107280#(and (<= 57 ULTIMATE.start_main_~x~4) (<= ULTIMATE.start_main_~x~4 57)), 107283#(and (<= 60 ULTIMATE.start_main_~x~4) (<= ULTIMATE.start_main_~x~4 60)), 107282#(and (<= ULTIMATE.start_main_~x~4 59) (<= 59 ULTIMATE.start_main_~x~4)), 107285#(and (<= ULTIMATE.start_main_~x~4 62) (<= 62 ULTIMATE.start_main_~x~4)), 107284#(and (<= 61 ULTIMATE.start_main_~x~4) (<= ULTIMATE.start_main_~x~4 61)), 107287#(and (<= ULTIMATE.start_main_~x~4 64) (<= 64 ULTIMATE.start_main_~x~4)), 107286#(and (<= 63 ULTIMATE.start_main_~x~4) (<= ULTIMATE.start_main_~x~4 63)), 107289#(and (<= 66 ULTIMATE.start_main_~x~4) (<= ULTIMATE.start_main_~x~4 66)), 107288#(and (<= 65 ULTIMATE.start_main_~x~4) (<= ULTIMATE.start_main_~x~4 65)), 107291#(and (<= ULTIMATE.start_main_~x~4 68) (<= 68 ULTIMATE.start_main_~x~4)), 107290#(and (<= 67 ULTIMATE.start_main_~x~4) (<= ULTIMATE.start_main_~x~4 67)), 107293#(and (<= ULTIMATE.start_main_~x~4 70) (<= 70 ULTIMATE.start_main_~x~4)), 107292#(and (<= 69 ULTIMATE.start_main_~x~4) (<= ULTIMATE.start_main_~x~4 69)), 107295#(and (<= 72 ULTIMATE.start_main_~x~4) (<= ULTIMATE.start_main_~x~4 72)), 107294#(and (<= 71 ULTIMATE.start_main_~x~4) (<= ULTIMATE.start_main_~x~4 71)), 107297#(and (<= 74 ULTIMATE.start_main_~x~4) (<= ULTIMATE.start_main_~x~4 74)), 107296#(and (<= ULTIMATE.start_main_~x~4 73) (<= 73 ULTIMATE.start_main_~x~4)), 107299#(and (<= ULTIMATE.start_main_~x~4 76) (<= 76 ULTIMATE.start_main_~x~4)), 107298#(and (<= ULTIMATE.start_main_~x~4 75) (<= 75 ULTIMATE.start_main_~x~4)), 107301#(and (<= ULTIMATE.start_main_~x~4 78) (<= 78 ULTIMATE.start_main_~x~4)), 107300#(and (<= ULTIMATE.start_main_~x~4 77) (<= 77 ULTIMATE.start_main_~x~4)), 107303#(and (<= ULTIMATE.start_main_~x~4 80) (<= 80 ULTIMATE.start_main_~x~4)), 107302#(and (<= 79 ULTIMATE.start_main_~x~4) (<= ULTIMATE.start_main_~x~4 79)), 107305#(and (<= ULTIMATE.start_main_~x~4 82) (<= 82 ULTIMATE.start_main_~x~4)), 107304#(and (<= ULTIMATE.start_main_~x~4 81) (<= 81 ULTIMATE.start_main_~x~4)), 107307#(and (<= ULTIMATE.start_main_~x~4 84) (<= 84 ULTIMATE.start_main_~x~4)), 107306#(and (<= 83 ULTIMATE.start_main_~x~4) (<= ULTIMATE.start_main_~x~4 83)), 107309#(and (<= 86 ULTIMATE.start_main_~x~4) (<= ULTIMATE.start_main_~x~4 86)), 107308#(and (<= 85 ULTIMATE.start_main_~x~4) (<= ULTIMATE.start_main_~x~4 85)), 107311#(and (<= 88 ULTIMATE.start_main_~x~4) (<= ULTIMATE.start_main_~x~4 88)), 107310#(and (<= ULTIMATE.start_main_~x~4 87) (<= 87 ULTIMATE.start_main_~x~4)), 107313#(and (<= ULTIMATE.start_main_~x~4 90) (<= 90 ULTIMATE.start_main_~x~4)), 107312#(and (<= ULTIMATE.start_main_~x~4 89) (<= 89 ULTIMATE.start_main_~x~4)), 107315#(and (<= ULTIMATE.start_main_~x~4 92) (<= 92 ULTIMATE.start_main_~x~4)), 107314#(and (<= ULTIMATE.start_main_~x~4 91) (<= 91 ULTIMATE.start_main_~x~4)), 107317#(and (<= ULTIMATE.start_main_~x~4 94) (<= 94 ULTIMATE.start_main_~x~4)), 107316#(and (<= ULTIMATE.start_main_~x~4 93) (<= 93 ULTIMATE.start_main_~x~4)), 107319#(and (<= ULTIMATE.start_main_~x~4 96) (<= 96 ULTIMATE.start_main_~x~4)), 107318#(and (<= 95 ULTIMATE.start_main_~x~4) (<= ULTIMATE.start_main_~x~4 95)), 107321#(and (<= ULTIMATE.start_main_~x~4 98) (<= 98 ULTIMATE.start_main_~x~4)), 107320#(and (<= 97 ULTIMATE.start_main_~x~4) (<= ULTIMATE.start_main_~x~4 97)), 107323#(and (<= ULTIMATE.start_main_~x~4 100) (<= 100 ULTIMATE.start_main_~x~4)), 107322#(and (<= 99 ULTIMATE.start_main_~x~4) (<= ULTIMATE.start_main_~x~4 99)), 107325#(and (<= 102 ULTIMATE.start_main_~x~4) (<= ULTIMATE.start_main_~x~4 102)), 107324#(and (<= ULTIMATE.start_main_~x~4 101) (<= 101 ULTIMATE.start_main_~x~4)), 107327#(and (<= ULTIMATE.start_main_~x~4 104) (<= 104 ULTIMATE.start_main_~x~4)), 107326#(and (<= 103 ULTIMATE.start_main_~x~4) (<= ULTIMATE.start_main_~x~4 103)), 107329#(and (<= 106 ULTIMATE.start_main_~x~4) (<= ULTIMATE.start_main_~x~4 106)), 107328#(and (<= 105 ULTIMATE.start_main_~x~4) (<= ULTIMATE.start_main_~x~4 105)), 107331#(and (<= 108 ULTIMATE.start_main_~x~4) (<= ULTIMATE.start_main_~x~4 108)), 107330#(and (<= 107 ULTIMATE.start_main_~x~4) (<= ULTIMATE.start_main_~x~4 107)), 107333#(and (<= 110 ULTIMATE.start_main_~x~4) (<= ULTIMATE.start_main_~x~4 110)), 107332#(and (<= ULTIMATE.start_main_~x~4 109) (<= 109 ULTIMATE.start_main_~x~4)), 107335#(and (<= ULTIMATE.start_main_~x~4 112) (<= 112 ULTIMATE.start_main_~x~4)), 107334#(and (<= ULTIMATE.start_main_~x~4 111) (<= 111 ULTIMATE.start_main_~x~4)), 107337#(and (<= ULTIMATE.start_main_~x~4 114) (<= 114 ULTIMATE.start_main_~x~4)), 107336#(and (<= 113 ULTIMATE.start_main_~x~4) (<= ULTIMATE.start_main_~x~4 113)), 107339#(and (<= ULTIMATE.start_main_~x~4 116) (<= 116 ULTIMATE.start_main_~x~4)), 107338#(and (<= ULTIMATE.start_main_~x~4 115) (<= 115 ULTIMATE.start_main_~x~4)), 107341#(and (<= 118 ULTIMATE.start_main_~x~4) (<= ULTIMATE.start_main_~x~4 118)), 107340#(and (<= ULTIMATE.start_main_~x~4 117) (<= 117 ULTIMATE.start_main_~x~4)), 107343#(and (<= 120 ULTIMATE.start_main_~x~4) (<= ULTIMATE.start_main_~x~4 120)), 107342#(and (<= 119 ULTIMATE.start_main_~x~4) (<= ULTIMATE.start_main_~x~4 119)), 107345#(and (<= 122 ULTIMATE.start_main_~x~4) (<= ULTIMATE.start_main_~x~4 122)), 107344#(and (<= 121 ULTIMATE.start_main_~x~4) (<= ULTIMATE.start_main_~x~4 121)), 107347#(and (<= ULTIMATE.start_main_~x~4 124) (<= 124 ULTIMATE.start_main_~x~4)), 107346#(and (<= ULTIMATE.start_main_~x~4 123) (<= 123 ULTIMATE.start_main_~x~4)), 107349#(and (<= 126 ULTIMATE.start_main_~x~4) (<= ULTIMATE.start_main_~x~4 126)), 107348#(and (<= 125 ULTIMATE.start_main_~x~4) (<= ULTIMATE.start_main_~x~4 125)), 107351#(and (<= 128 ULTIMATE.start_main_~x~4) (<= ULTIMATE.start_main_~x~4 128)), 107350#(and (<= ULTIMATE.start_main_~x~4 127) (<= 127 ULTIMATE.start_main_~x~4)), 107353#(and (<= ULTIMATE.start_main_~x~4 130) (<= 130 ULTIMATE.start_main_~x~4)), 107352#(and (<= 129 ULTIMATE.start_main_~x~4) (<= ULTIMATE.start_main_~x~4 129)), 107355#(and (<= 132 ULTIMATE.start_main_~x~4) (<= ULTIMATE.start_main_~x~4 132)), 107354#(and (<= 131 ULTIMATE.start_main_~x~4) (<= ULTIMATE.start_main_~x~4 131)), 107357#(and (<= 134 ULTIMATE.start_main_~x~4) (<= ULTIMATE.start_main_~x~4 134)), 107356#(and (<= ULTIMATE.start_main_~x~4 133) (<= 133 ULTIMATE.start_main_~x~4)), 107359#(and (<= ULTIMATE.start_main_~x~4 136) (<= 136 ULTIMATE.start_main_~x~4)), 107358#(and (<= 135 ULTIMATE.start_main_~x~4) (<= ULTIMATE.start_main_~x~4 135)), 107361#(and (<= 138 ULTIMATE.start_main_~x~4) (<= ULTIMATE.start_main_~x~4 138)), 107360#(and (<= 137 ULTIMATE.start_main_~x~4) (<= ULTIMATE.start_main_~x~4 137)), 107363#(and (<= 140 ULTIMATE.start_main_~x~4) (<= ULTIMATE.start_main_~x~4 140)), 107362#(and (<= 139 ULTIMATE.start_main_~x~4) (<= ULTIMATE.start_main_~x~4 139)), 107365#(and (<= 142 ULTIMATE.start_main_~x~4) (<= ULTIMATE.start_main_~x~4 142)), 107364#(and (<= 141 ULTIMATE.start_main_~x~4) (<= ULTIMATE.start_main_~x~4 141)), 107367#(and (<= ULTIMATE.start_main_~x~4 144) (<= 144 ULTIMATE.start_main_~x~4)), 107366#(and (<= ULTIMATE.start_main_~x~4 143) (<= 143 ULTIMATE.start_main_~x~4)), 107369#(and (<= ULTIMATE.start_main_~x~4 146) (<= 146 ULTIMATE.start_main_~x~4)), 107368#(and (<= ULTIMATE.start_main_~x~4 145) (<= 145 ULTIMATE.start_main_~x~4)), 107371#(and (<= ULTIMATE.start_main_~x~4 148) (<= 148 ULTIMATE.start_main_~x~4)), 107370#(and (<= 147 ULTIMATE.start_main_~x~4) (<= ULTIMATE.start_main_~x~4 147)), 107373#(and (<= 150 ULTIMATE.start_main_~x~4) (<= ULTIMATE.start_main_~x~4 150)), 107372#(and (<= 149 ULTIMATE.start_main_~x~4) (<= ULTIMATE.start_main_~x~4 149)), 107374#(and (<= ULTIMATE.start_main_~x~4 151) (<= 151 ULTIMATE.start_main_~x~4)), 107221#true, 107223#(and (<= ULTIMATE.start_main_~x~4 0) (<= 0 ULTIMATE.start_main_~x~4)), 107222#false, 107225#(and (<= 2 ULTIMATE.start_main_~x~4) (<= ULTIMATE.start_main_~x~4 2)), 107224#(and (<= ULTIMATE.start_main_~x~4 1) (<= 1 ULTIMATE.start_main_~x~4)), 107227#(and (<= ULTIMATE.start_main_~x~4 4) (<= 4 ULTIMATE.start_main_~x~4)), 107226#(and (<= 3 ULTIMATE.start_main_~x~4) (<= ULTIMATE.start_main_~x~4 3)), 107229#(and (<= 6 ULTIMATE.start_main_~x~4) (<= ULTIMATE.start_main_~x~4 6)), 107228#(and (<= ULTIMATE.start_main_~x~4 5) (<= 5 ULTIMATE.start_main_~x~4)), 107231#(and (<= ULTIMATE.start_main_~x~4 8) (<= 8 ULTIMATE.start_main_~x~4)), 107230#(and (<= ULTIMATE.start_main_~x~4 7) (<= 7 ULTIMATE.start_main_~x~4)), 107233#(and (<= ULTIMATE.start_main_~x~4 10) (<= 10 ULTIMATE.start_main_~x~4)), 107232#(and (<= 9 ULTIMATE.start_main_~x~4) (<= ULTIMATE.start_main_~x~4 9)), 107235#(and (<= 12 ULTIMATE.start_main_~x~4) (<= ULTIMATE.start_main_~x~4 12)), 107234#(and (<= ULTIMATE.start_main_~x~4 11) (<= 11 ULTIMATE.start_main_~x~4)), 107237#(and (<= 14 ULTIMATE.start_main_~x~4) (<= ULTIMATE.start_main_~x~4 14)), 107236#(and (<= ULTIMATE.start_main_~x~4 13) (<= 13 ULTIMATE.start_main_~x~4)), 107239#(and (<= ULTIMATE.start_main_~x~4 16) (<= 16 ULTIMATE.start_main_~x~4)), 107238#(and (<= 15 ULTIMATE.start_main_~x~4) (<= ULTIMATE.start_main_~x~4 15)), 107241#(and (<= 18 ULTIMATE.start_main_~x~4) (<= ULTIMATE.start_main_~x~4 18)), 107240#(and (<= ULTIMATE.start_main_~x~4 17) (<= 17 ULTIMATE.start_main_~x~4)), 107243#(and (<= 20 ULTIMATE.start_main_~x~4) (<= ULTIMATE.start_main_~x~4 20)), 107242#(and (<= 19 ULTIMATE.start_main_~x~4) (<= ULTIMATE.start_main_~x~4 19)), 107245#(and (<= ULTIMATE.start_main_~x~4 22) (<= 22 ULTIMATE.start_main_~x~4)), 107244#(and (<= ULTIMATE.start_main_~x~4 21) (<= 21 ULTIMATE.start_main_~x~4)), 107247#(and (<= ULTIMATE.start_main_~x~4 24) (<= 24 ULTIMATE.start_main_~x~4)), 107246#(and (<= ULTIMATE.start_main_~x~4 23) (<= 23 ULTIMATE.start_main_~x~4)), 107249#(and (<= ULTIMATE.start_main_~x~4 26) (<= 26 ULTIMATE.start_main_~x~4)), 107248#(and (<= ULTIMATE.start_main_~x~4 25) (<= 25 ULTIMATE.start_main_~x~4)), 107251#(and (<= ULTIMATE.start_main_~x~4 28) (<= 28 ULTIMATE.start_main_~x~4)), 107250#(and (<= ULTIMATE.start_main_~x~4 27) (<= 27 ULTIMATE.start_main_~x~4)), 107253#(and (<= ULTIMATE.start_main_~x~4 30) (<= 30 ULTIMATE.start_main_~x~4)), 107252#(and (<= 29 ULTIMATE.start_main_~x~4) (<= ULTIMATE.start_main_~x~4 29)), 107255#(and (<= ULTIMATE.start_main_~x~4 32) (<= 32 ULTIMATE.start_main_~x~4)), 107254#(and (<= ULTIMATE.start_main_~x~4 31) (<= 31 ULTIMATE.start_main_~x~4)), 107257#(and (<= 34 ULTIMATE.start_main_~x~4) (<= ULTIMATE.start_main_~x~4 34)), 107256#(and (<= ULTIMATE.start_main_~x~4 33) (<= 33 ULTIMATE.start_main_~x~4)), 107259#(and (<= 36 ULTIMATE.start_main_~x~4) (<= ULTIMATE.start_main_~x~4 36)), 107258#(and (<= ULTIMATE.start_main_~x~4 35) (<= 35 ULTIMATE.start_main_~x~4)), 107261#(and (<= 38 ULTIMATE.start_main_~x~4) (<= ULTIMATE.start_main_~x~4 38)), 107260#(and (<= ULTIMATE.start_main_~x~4 37) (<= 37 ULTIMATE.start_main_~x~4)), 107263#(and (<= ULTIMATE.start_main_~x~4 40) (<= 40 ULTIMATE.start_main_~x~4)), 107262#(and (<= ULTIMATE.start_main_~x~4 39) (<= 39 ULTIMATE.start_main_~x~4))] [2018-07-23 13:52:45,409 INFO L134 CoverageAnalysis]: Checked inductivity of 22952 backedges. 0 proven. 22952 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-07-23 13:52:45,409 INFO L450 AbstractCegarLoop]: Interpolant automaton has 154 states [2018-07-23 13:52:45,410 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 154 interpolants. [2018-07-23 13:52:45,410 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=305, Invalid=23257, Unknown=0, NotChecked=0, Total=23562 [2018-07-23 13:52:45,411 INFO L87 Difference]: Start difference. First operand 307 states and 307 transitions. Second operand 154 states. [2018-07-23 13:52:47,070 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-07-23 13:52:47,070 INFO L93 Difference]: Finished difference Result 311 states and 311 transitions. [2018-07-23 13:52:47,070 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 154 states. [2018-07-23 13:52:47,070 INFO L78 Accepts]: Start accepts. Automaton has 154 states. Word has length 306 [2018-07-23 13:52:47,071 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-07-23 13:52:47,072 INFO L225 Difference]: With dead ends: 311 [2018-07-23 13:52:47,072 INFO L226 Difference]: Without dead ends: 309 [2018-07-23 13:52:47,072 INFO L575 BasicCegarLoop]: 0 DeclaredPredicates, 153 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 152 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.9s TimeCoverageRelationStatistics Valid=305, Invalid=23257, Unknown=0, NotChecked=0, Total=23562 [2018-07-23 13:52:47,073 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 309 states. [2018-07-23 13:52:47,084 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 309 to 309. [2018-07-23 13:52:47,084 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 309 states. [2018-07-23 13:52:47,084 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 309 states to 309 states and 309 transitions. [2018-07-23 13:52:47,084 INFO L78 Accepts]: Start accepts. Automaton has 309 states and 309 transitions. Word has length 306 [2018-07-23 13:52:47,085 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-07-23 13:52:47,085 INFO L471 AbstractCegarLoop]: Abstraction has 309 states and 309 transitions. [2018-07-23 13:52:47,085 INFO L472 AbstractCegarLoop]: Interpolant automaton has 154 states. [2018-07-23 13:52:47,085 INFO L276 IsEmpty]: Start isEmpty. Operand 309 states and 309 transitions. [2018-07-23 13:52:47,086 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 309 [2018-07-23 13:52:47,086 INFO L349 BasicCegarLoop]: Found error trace [2018-07-23 13:52:47,086 INFO L357 BasicCegarLoop]: trace histogram [153, 152, 1, 1, 1] [2018-07-23 13:52:47,086 INFO L414 AbstractCegarLoop]: === Iteration 153 === [ULTIMATE.startErr0AssertViolationASSERT]=== [2018-07-23 13:52:47,087 INFO L82 PathProgramCache]: Analyzing trace with hash -852777929, now seen corresponding path program 152 times [2018-07-23 13:52:47,087 INFO L69 tionRefinementEngine]: Using refinement strategy FixedRefinementStrategy [2018-07-23 13:52:47,522 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-07-23 13:52:48,748 INFO L134 CoverageAnalysis]: Checked inductivity of 23256 backedges. 0 proven. 23256 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-07-23 13:52:48,749 INFO L309 seRefinementStrategy]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2018-07-23 13:52:48,749 INFO L324 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [154] total 154 [2018-07-23 13:52:48,749 INFO L142 lantAutomatonBuilder]: Constructing canonical interpolant automaton, with selfloop in false state [2018-07-23 13:52:48,749 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-07-23 13:52:48,750 INFO L185 omatonBuilderFactory]: Interpolants [108615#true, 108617#(and (<= ULTIMATE.start_main_~x~4 0) (<= 0 ULTIMATE.start_main_~x~4)), 108616#false, 108619#(and (<= 2 ULTIMATE.start_main_~x~4) (<= ULTIMATE.start_main_~x~4 2)), 108618#(and (<= ULTIMATE.start_main_~x~4 1) (<= 1 ULTIMATE.start_main_~x~4)), 108621#(and (<= ULTIMATE.start_main_~x~4 4) (<= 4 ULTIMATE.start_main_~x~4)), 108620#(and (<= 3 ULTIMATE.start_main_~x~4) (<= ULTIMATE.start_main_~x~4 3)), 108623#(and (<= 6 ULTIMATE.start_main_~x~4) (<= ULTIMATE.start_main_~x~4 6)), 108622#(and (<= ULTIMATE.start_main_~x~4 5) (<= 5 ULTIMATE.start_main_~x~4)), 108625#(and (<= ULTIMATE.start_main_~x~4 8) (<= 8 ULTIMATE.start_main_~x~4)), 108624#(and (<= ULTIMATE.start_main_~x~4 7) (<= 7 ULTIMATE.start_main_~x~4)), 108627#(and (<= ULTIMATE.start_main_~x~4 10) (<= 10 ULTIMATE.start_main_~x~4)), 108626#(and (<= 9 ULTIMATE.start_main_~x~4) (<= ULTIMATE.start_main_~x~4 9)), 108629#(and (<= 12 ULTIMATE.start_main_~x~4) (<= ULTIMATE.start_main_~x~4 12)), 108628#(and (<= ULTIMATE.start_main_~x~4 11) (<= 11 ULTIMATE.start_main_~x~4)), 108631#(and (<= 14 ULTIMATE.start_main_~x~4) (<= ULTIMATE.start_main_~x~4 14)), 108630#(and (<= ULTIMATE.start_main_~x~4 13) (<= 13 ULTIMATE.start_main_~x~4)), 108633#(and (<= ULTIMATE.start_main_~x~4 16) (<= 16 ULTIMATE.start_main_~x~4)), 108632#(and (<= 15 ULTIMATE.start_main_~x~4) (<= ULTIMATE.start_main_~x~4 15)), 108635#(and (<= 18 ULTIMATE.start_main_~x~4) (<= ULTIMATE.start_main_~x~4 18)), 108634#(and (<= ULTIMATE.start_main_~x~4 17) (<= 17 ULTIMATE.start_main_~x~4)), 108637#(and (<= 20 ULTIMATE.start_main_~x~4) (<= ULTIMATE.start_main_~x~4 20)), 108636#(and (<= 19 ULTIMATE.start_main_~x~4) (<= ULTIMATE.start_main_~x~4 19)), 108639#(and (<= ULTIMATE.start_main_~x~4 22) (<= 22 ULTIMATE.start_main_~x~4)), 108638#(and (<= ULTIMATE.start_main_~x~4 21) (<= 21 ULTIMATE.start_main_~x~4)), 108641#(and (<= ULTIMATE.start_main_~x~4 24) (<= 24 ULTIMATE.start_main_~x~4)), 108640#(and (<= ULTIMATE.start_main_~x~4 23) (<= 23 ULTIMATE.start_main_~x~4)), 108643#(and (<= ULTIMATE.start_main_~x~4 26) (<= 26 ULTIMATE.start_main_~x~4)), 108642#(and (<= ULTIMATE.start_main_~x~4 25) (<= 25 ULTIMATE.start_main_~x~4)), 108645#(and (<= ULTIMATE.start_main_~x~4 28) (<= 28 ULTIMATE.start_main_~x~4)), 108644#(and (<= ULTIMATE.start_main_~x~4 27) (<= 27 ULTIMATE.start_main_~x~4)), 108647#(and (<= ULTIMATE.start_main_~x~4 30) (<= 30 ULTIMATE.start_main_~x~4)), 108646#(and (<= 29 ULTIMATE.start_main_~x~4) (<= ULTIMATE.start_main_~x~4 29)), 108649#(and (<= ULTIMATE.start_main_~x~4 32) (<= 32 ULTIMATE.start_main_~x~4)), 108648#(and (<= ULTIMATE.start_main_~x~4 31) (<= 31 ULTIMATE.start_main_~x~4)), 108651#(and (<= 34 ULTIMATE.start_main_~x~4) (<= ULTIMATE.start_main_~x~4 34)), 108650#(and (<= ULTIMATE.start_main_~x~4 33) (<= 33 ULTIMATE.start_main_~x~4)), 108653#(and (<= 36 ULTIMATE.start_main_~x~4) (<= ULTIMATE.start_main_~x~4 36)), 108652#(and (<= ULTIMATE.start_main_~x~4 35) (<= 35 ULTIMATE.start_main_~x~4)), 108655#(and (<= 38 ULTIMATE.start_main_~x~4) (<= ULTIMATE.start_main_~x~4 38)), 108654#(and (<= ULTIMATE.start_main_~x~4 37) (<= 37 ULTIMATE.start_main_~x~4)), 108657#(and (<= ULTIMATE.start_main_~x~4 40) (<= 40 ULTIMATE.start_main_~x~4)), 108656#(and (<= ULTIMATE.start_main_~x~4 39) (<= 39 ULTIMATE.start_main_~x~4)), 108659#(and (<= ULTIMATE.start_main_~x~4 42) (<= 42 ULTIMATE.start_main_~x~4)), 108658#(and (<= ULTIMATE.start_main_~x~4 41) (<= 41 ULTIMATE.start_main_~x~4)), 108661#(and (<= 44 ULTIMATE.start_main_~x~4) (<= ULTIMATE.start_main_~x~4 44)), 108660#(and (<= ULTIMATE.start_main_~x~4 43) (<= 43 ULTIMATE.start_main_~x~4)), 108663#(and (<= ULTIMATE.start_main_~x~4 46) (<= 46 ULTIMATE.start_main_~x~4)), 108662#(and (<= 45 ULTIMATE.start_main_~x~4) (<= ULTIMATE.start_main_~x~4 45)), 108665#(and (<= 48 ULTIMATE.start_main_~x~4) (<= ULTIMATE.start_main_~x~4 48)), 108664#(and (<= 47 ULTIMATE.start_main_~x~4) (<= ULTIMATE.start_main_~x~4 47)), 108667#(and (<= ULTIMATE.start_main_~x~4 50) (<= 50 ULTIMATE.start_main_~x~4)), 108666#(and (<= 49 ULTIMATE.start_main_~x~4) (<= ULTIMATE.start_main_~x~4 49)), 108669#(and (<= ULTIMATE.start_main_~x~4 52) (<= 52 ULTIMATE.start_main_~x~4)), 108668#(and (<= 51 ULTIMATE.start_main_~x~4) (<= ULTIMATE.start_main_~x~4 51)), 108671#(and (<= ULTIMATE.start_main_~x~4 54) (<= 54 ULTIMATE.start_main_~x~4)), 108670#(and (<= 53 ULTIMATE.start_main_~x~4) (<= ULTIMATE.start_main_~x~4 53)), 108673#(and (<= 56 ULTIMATE.start_main_~x~4) (<= ULTIMATE.start_main_~x~4 56)), 108672#(and (<= 55 ULTIMATE.start_main_~x~4) (<= ULTIMATE.start_main_~x~4 55)), 108675#(and (<= 58 ULTIMATE.start_main_~x~4) (<= ULTIMATE.start_main_~x~4 58)), 108674#(and (<= 57 ULTIMATE.start_main_~x~4) (<= ULTIMATE.start_main_~x~4 57)), 108677#(and (<= 60 ULTIMATE.start_main_~x~4) (<= ULTIMATE.start_main_~x~4 60)), 108676#(and (<= ULTIMATE.start_main_~x~4 59) (<= 59 ULTIMATE.start_main_~x~4)), 108679#(and (<= ULTIMATE.start_main_~x~4 62) (<= 62 ULTIMATE.start_main_~x~4)), 108678#(and (<= 61 ULTIMATE.start_main_~x~4) (<= ULTIMATE.start_main_~x~4 61)), 108681#(and (<= ULTIMATE.start_main_~x~4 64) (<= 64 ULTIMATE.start_main_~x~4)), 108680#(and (<= 63 ULTIMATE.start_main_~x~4) (<= ULTIMATE.start_main_~x~4 63)), 108683#(and (<= 66 ULTIMATE.start_main_~x~4) (<= ULTIMATE.start_main_~x~4 66)), 108682#(and (<= 65 ULTIMATE.start_main_~x~4) (<= ULTIMATE.start_main_~x~4 65)), 108685#(and (<= ULTIMATE.start_main_~x~4 68) (<= 68 ULTIMATE.start_main_~x~4)), 108684#(and (<= 67 ULTIMATE.start_main_~x~4) (<= ULTIMATE.start_main_~x~4 67)), 108687#(and (<= ULTIMATE.start_main_~x~4 70) (<= 70 ULTIMATE.start_main_~x~4)), 108686#(and (<= 69 ULTIMATE.start_main_~x~4) (<= ULTIMATE.start_main_~x~4 69)), 108689#(and (<= 72 ULTIMATE.start_main_~x~4) (<= ULTIMATE.start_main_~x~4 72)), 108688#(and (<= 71 ULTIMATE.start_main_~x~4) (<= ULTIMATE.start_main_~x~4 71)), 108691#(and (<= 74 ULTIMATE.start_main_~x~4) (<= ULTIMATE.start_main_~x~4 74)), 108690#(and (<= ULTIMATE.start_main_~x~4 73) (<= 73 ULTIMATE.start_main_~x~4)), 108693#(and (<= ULTIMATE.start_main_~x~4 76) (<= 76 ULTIMATE.start_main_~x~4)), 108692#(and (<= ULTIMATE.start_main_~x~4 75) (<= 75 ULTIMATE.start_main_~x~4)), 108695#(and (<= ULTIMATE.start_main_~x~4 78) (<= 78 ULTIMATE.start_main_~x~4)), 108694#(and (<= ULTIMATE.start_main_~x~4 77) (<= 77 ULTIMATE.start_main_~x~4)), 108697#(and (<= ULTIMATE.start_main_~x~4 80) (<= 80 ULTIMATE.start_main_~x~4)), 108696#(and (<= 79 ULTIMATE.start_main_~x~4) (<= ULTIMATE.start_main_~x~4 79)), 108699#(and (<= ULTIMATE.start_main_~x~4 82) (<= 82 ULTIMATE.start_main_~x~4)), 108698#(and (<= ULTIMATE.start_main_~x~4 81) (<= 81 ULTIMATE.start_main_~x~4)), 108701#(and (<= ULTIMATE.start_main_~x~4 84) (<= 84 ULTIMATE.start_main_~x~4)), 108700#(and (<= 83 ULTIMATE.start_main_~x~4) (<= ULTIMATE.start_main_~x~4 83)), 108703#(and (<= 86 ULTIMATE.start_main_~x~4) (<= ULTIMATE.start_main_~x~4 86)), 108702#(and (<= 85 ULTIMATE.start_main_~x~4) (<= ULTIMATE.start_main_~x~4 85)), 108705#(and (<= 88 ULTIMATE.start_main_~x~4) (<= ULTIMATE.start_main_~x~4 88)), 108704#(and (<= ULTIMATE.start_main_~x~4 87) (<= 87 ULTIMATE.start_main_~x~4)), 108707#(and (<= ULTIMATE.start_main_~x~4 90) (<= 90 ULTIMATE.start_main_~x~4)), 108706#(and (<= ULTIMATE.start_main_~x~4 89) (<= 89 ULTIMATE.start_main_~x~4)), 108709#(and (<= ULTIMATE.start_main_~x~4 92) (<= 92 ULTIMATE.start_main_~x~4)), 108708#(and (<= ULTIMATE.start_main_~x~4 91) (<= 91 ULTIMATE.start_main_~x~4)), 108711#(and (<= ULTIMATE.start_main_~x~4 94) (<= 94 ULTIMATE.start_main_~x~4)), 108710#(and (<= ULTIMATE.start_main_~x~4 93) (<= 93 ULTIMATE.start_main_~x~4)), 108713#(and (<= ULTIMATE.start_main_~x~4 96) (<= 96 ULTIMATE.start_main_~x~4)), 108712#(and (<= 95 ULTIMATE.start_main_~x~4) (<= ULTIMATE.start_main_~x~4 95)), 108715#(and (<= ULTIMATE.start_main_~x~4 98) (<= 98 ULTIMATE.start_main_~x~4)), 108714#(and (<= 97 ULTIMATE.start_main_~x~4) (<= ULTIMATE.start_main_~x~4 97)), 108717#(and (<= ULTIMATE.start_main_~x~4 100) (<= 100 ULTIMATE.start_main_~x~4)), 108716#(and (<= 99 ULTIMATE.start_main_~x~4) (<= ULTIMATE.start_main_~x~4 99)), 108719#(and (<= 102 ULTIMATE.start_main_~x~4) (<= ULTIMATE.start_main_~x~4 102)), 108718#(and (<= ULTIMATE.start_main_~x~4 101) (<= 101 ULTIMATE.start_main_~x~4)), 108721#(and (<= ULTIMATE.start_main_~x~4 104) (<= 104 ULTIMATE.start_main_~x~4)), 108720#(and (<= 103 ULTIMATE.start_main_~x~4) (<= ULTIMATE.start_main_~x~4 103)), 108723#(and (<= 106 ULTIMATE.start_main_~x~4) (<= ULTIMATE.start_main_~x~4 106)), 108722#(and (<= 105 ULTIMATE.start_main_~x~4) (<= ULTIMATE.start_main_~x~4 105)), 108725#(and (<= 108 ULTIMATE.start_main_~x~4) (<= ULTIMATE.start_main_~x~4 108)), 108724#(and (<= 107 ULTIMATE.start_main_~x~4) (<= ULTIMATE.start_main_~x~4 107)), 108727#(and (<= 110 ULTIMATE.start_main_~x~4) (<= ULTIMATE.start_main_~x~4 110)), 108726#(and (<= ULTIMATE.start_main_~x~4 109) (<= 109 ULTIMATE.start_main_~x~4)), 108729#(and (<= ULTIMATE.start_main_~x~4 112) (<= 112 ULTIMATE.start_main_~x~4)), 108728#(and (<= ULTIMATE.start_main_~x~4 111) (<= 111 ULTIMATE.start_main_~x~4)), 108731#(and (<= ULTIMATE.start_main_~x~4 114) (<= 114 ULTIMATE.start_main_~x~4)), 108730#(and (<= 113 ULTIMATE.start_main_~x~4) (<= ULTIMATE.start_main_~x~4 113)), 108733#(and (<= ULTIMATE.start_main_~x~4 116) (<= 116 ULTIMATE.start_main_~x~4)), 108732#(and (<= ULTIMATE.start_main_~x~4 115) (<= 115 ULTIMATE.start_main_~x~4)), 108735#(and (<= 118 ULTIMATE.start_main_~x~4) (<= ULTIMATE.start_main_~x~4 118)), 108734#(and (<= ULTIMATE.start_main_~x~4 117) (<= 117 ULTIMATE.start_main_~x~4)), 108737#(and (<= 120 ULTIMATE.start_main_~x~4) (<= ULTIMATE.start_main_~x~4 120)), 108736#(and (<= 119 ULTIMATE.start_main_~x~4) (<= ULTIMATE.start_main_~x~4 119)), 108739#(and (<= 122 ULTIMATE.start_main_~x~4) (<= ULTIMATE.start_main_~x~4 122)), 108738#(and (<= 121 ULTIMATE.start_main_~x~4) (<= ULTIMATE.start_main_~x~4 121)), 108741#(and (<= ULTIMATE.start_main_~x~4 124) (<= 124 ULTIMATE.start_main_~x~4)), 108740#(and (<= ULTIMATE.start_main_~x~4 123) (<= 123 ULTIMATE.start_main_~x~4)), 108743#(and (<= 126 ULTIMATE.start_main_~x~4) (<= ULTIMATE.start_main_~x~4 126)), 108742#(and (<= 125 ULTIMATE.start_main_~x~4) (<= ULTIMATE.start_main_~x~4 125)), 108745#(and (<= 128 ULTIMATE.start_main_~x~4) (<= ULTIMATE.start_main_~x~4 128)), 108744#(and (<= ULTIMATE.start_main_~x~4 127) (<= 127 ULTIMATE.start_main_~x~4)), 108747#(and (<= ULTIMATE.start_main_~x~4 130) (<= 130 ULTIMATE.start_main_~x~4)), 108746#(and (<= 129 ULTIMATE.start_main_~x~4) (<= ULTIMATE.start_main_~x~4 129)), 108749#(and (<= 132 ULTIMATE.start_main_~x~4) (<= ULTIMATE.start_main_~x~4 132)), 108748#(and (<= 131 ULTIMATE.start_main_~x~4) (<= ULTIMATE.start_main_~x~4 131)), 108751#(and (<= 134 ULTIMATE.start_main_~x~4) (<= ULTIMATE.start_main_~x~4 134)), 108750#(and (<= ULTIMATE.start_main_~x~4 133) (<= 133 ULTIMATE.start_main_~x~4)), 108753#(and (<= ULTIMATE.start_main_~x~4 136) (<= 136 ULTIMATE.start_main_~x~4)), 108752#(and (<= 135 ULTIMATE.start_main_~x~4) (<= ULTIMATE.start_main_~x~4 135)), 108755#(and (<= 138 ULTIMATE.start_main_~x~4) (<= ULTIMATE.start_main_~x~4 138)), 108754#(and (<= 137 ULTIMATE.start_main_~x~4) (<= ULTIMATE.start_main_~x~4 137)), 108757#(and (<= 140 ULTIMATE.start_main_~x~4) (<= ULTIMATE.start_main_~x~4 140)), 108756#(and (<= 139 ULTIMATE.start_main_~x~4) (<= ULTIMATE.start_main_~x~4 139)), 108759#(and (<= 142 ULTIMATE.start_main_~x~4) (<= ULTIMATE.start_main_~x~4 142)), 108758#(and (<= 141 ULTIMATE.start_main_~x~4) (<= ULTIMATE.start_main_~x~4 141)), 108761#(and (<= ULTIMATE.start_main_~x~4 144) (<= 144 ULTIMATE.start_main_~x~4)), 108760#(and (<= ULTIMATE.start_main_~x~4 143) (<= 143 ULTIMATE.start_main_~x~4)), 108763#(and (<= ULTIMATE.start_main_~x~4 146) (<= 146 ULTIMATE.start_main_~x~4)), 108762#(and (<= ULTIMATE.start_main_~x~4 145) (<= 145 ULTIMATE.start_main_~x~4)), 108765#(and (<= ULTIMATE.start_main_~x~4 148) (<= 148 ULTIMATE.start_main_~x~4)), 108764#(and (<= 147 ULTIMATE.start_main_~x~4) (<= ULTIMATE.start_main_~x~4 147)), 108767#(and (<= 150 ULTIMATE.start_main_~x~4) (<= ULTIMATE.start_main_~x~4 150)), 108766#(and (<= 149 ULTIMATE.start_main_~x~4) (<= ULTIMATE.start_main_~x~4 149)), 108769#(and (<= 152 ULTIMATE.start_main_~x~4) (<= ULTIMATE.start_main_~x~4 152)), 108768#(and (<= ULTIMATE.start_main_~x~4 151) (<= 151 ULTIMATE.start_main_~x~4))] [2018-07-23 13:52:48,751 INFO L134 CoverageAnalysis]: Checked inductivity of 23256 backedges. 0 proven. 23256 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-07-23 13:52:48,751 INFO L450 AbstractCegarLoop]: Interpolant automaton has 155 states [2018-07-23 13:52:48,751 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 155 interpolants. [2018-07-23 13:52:48,752 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=307, Invalid=23563, Unknown=0, NotChecked=0, Total=23870 [2018-07-23 13:52:48,752 INFO L87 Difference]: Start difference. First operand 309 states and 309 transitions. Second operand 155 states. [2018-07-23 13:52:50,464 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-07-23 13:52:50,465 INFO L93 Difference]: Finished difference Result 313 states and 313 transitions. [2018-07-23 13:52:50,465 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 155 states. [2018-07-23 13:52:50,465 INFO L78 Accepts]: Start accepts. Automaton has 155 states. Word has length 308 [2018-07-23 13:52:50,465 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-07-23 13:52:50,466 INFO L225 Difference]: With dead ends: 313 [2018-07-23 13:52:50,466 INFO L226 Difference]: Without dead ends: 311 [2018-07-23 13:52:50,468 INFO L575 BasicCegarLoop]: 0 DeclaredPredicates, 154 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 153 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.9s TimeCoverageRelationStatistics Valid=307, Invalid=23563, Unknown=0, NotChecked=0, Total=23870 [2018-07-23 13:52:50,468 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 311 states. [2018-07-23 13:52:50,478 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 311 to 311. [2018-07-23 13:52:50,478 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 311 states. [2018-07-23 13:52:50,479 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 311 states to 311 states and 311 transitions. [2018-07-23 13:52:50,479 INFO L78 Accepts]: Start accepts. Automaton has 311 states and 311 transitions. Word has length 308 [2018-07-23 13:52:50,479 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-07-23 13:52:50,479 INFO L471 AbstractCegarLoop]: Abstraction has 311 states and 311 transitions. [2018-07-23 13:52:50,479 INFO L472 AbstractCegarLoop]: Interpolant automaton has 155 states. [2018-07-23 13:52:50,479 INFO L276 IsEmpty]: Start isEmpty. Operand 311 states and 311 transitions. [2018-07-23 13:52:50,480 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 311 [2018-07-23 13:52:50,480 INFO L349 BasicCegarLoop]: Found error trace [2018-07-23 13:52:50,480 INFO L357 BasicCegarLoop]: trace histogram [154, 153, 1, 1, 1] [2018-07-23 13:52:50,480 INFO L414 AbstractCegarLoop]: === Iteration 154 === [ULTIMATE.startErr0AssertViolationASSERT]=== [2018-07-23 13:52:50,481 INFO L82 PathProgramCache]: Analyzing trace with hash 819215857, now seen corresponding path program 153 times [2018-07-23 13:52:50,481 INFO L69 tionRefinementEngine]: Using refinement strategy FixedRefinementStrategy [2018-07-23 13:52:50,848 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-07-23 13:52:52,064 INFO L134 CoverageAnalysis]: Checked inductivity of 23562 backedges. 0 proven. 23562 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-07-23 13:52:52,065 INFO L309 seRefinementStrategy]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2018-07-23 13:52:52,065 INFO L324 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [155] total 155 [2018-07-23 13:52:52,065 INFO L142 lantAutomatonBuilder]: Constructing canonical interpolant automaton, with selfloop in false state [2018-07-23 13:52:52,065 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 13:52:52,066 INFO L185 omatonBuilderFactory]: Interpolants [110081#(and (<= 61 ULTIMATE.start_main_~x~4) (<= ULTIMATE.start_main_~x~4 61)), 110080#(and (<= 60 ULTIMATE.start_main_~x~4) (<= ULTIMATE.start_main_~x~4 60)), 110083#(and (<= 63 ULTIMATE.start_main_~x~4) (<= ULTIMATE.start_main_~x~4 63)), 110082#(and (<= ULTIMATE.start_main_~x~4 62) (<= 62 ULTIMATE.start_main_~x~4)), 110085#(and (<= 65 ULTIMATE.start_main_~x~4) (<= ULTIMATE.start_main_~x~4 65)), 110084#(and (<= ULTIMATE.start_main_~x~4 64) (<= 64 ULTIMATE.start_main_~x~4)), 110087#(and (<= 67 ULTIMATE.start_main_~x~4) (<= ULTIMATE.start_main_~x~4 67)), 110086#(and (<= 66 ULTIMATE.start_main_~x~4) (<= ULTIMATE.start_main_~x~4 66)), 110089#(and (<= 69 ULTIMATE.start_main_~x~4) (<= ULTIMATE.start_main_~x~4 69)), 110088#(and (<= ULTIMATE.start_main_~x~4 68) (<= 68 ULTIMATE.start_main_~x~4)), 110091#(and (<= 71 ULTIMATE.start_main_~x~4) (<= ULTIMATE.start_main_~x~4 71)), 110090#(and (<= ULTIMATE.start_main_~x~4 70) (<= 70 ULTIMATE.start_main_~x~4)), 110093#(and (<= ULTIMATE.start_main_~x~4 73) (<= 73 ULTIMATE.start_main_~x~4)), 110092#(and (<= 72 ULTIMATE.start_main_~x~4) (<= ULTIMATE.start_main_~x~4 72)), 110095#(and (<= ULTIMATE.start_main_~x~4 75) (<= 75 ULTIMATE.start_main_~x~4)), 110094#(and (<= 74 ULTIMATE.start_main_~x~4) (<= ULTIMATE.start_main_~x~4 74)), 110097#(and (<= ULTIMATE.start_main_~x~4 77) (<= 77 ULTIMATE.start_main_~x~4)), 110096#(and (<= ULTIMATE.start_main_~x~4 76) (<= 76 ULTIMATE.start_main_~x~4)), 110099#(and (<= 79 ULTIMATE.start_main_~x~4) (<= ULTIMATE.start_main_~x~4 79)), 110098#(and (<= ULTIMATE.start_main_~x~4 78) (<= 78 ULTIMATE.start_main_~x~4)), 110101#(and (<= ULTIMATE.start_main_~x~4 81) (<= 81 ULTIMATE.start_main_~x~4)), 110100#(and (<= ULTIMATE.start_main_~x~4 80) (<= 80 ULTIMATE.start_main_~x~4)), 110103#(and (<= 83 ULTIMATE.start_main_~x~4) (<= ULTIMATE.start_main_~x~4 83)), 110102#(and (<= ULTIMATE.start_main_~x~4 82) (<= 82 ULTIMATE.start_main_~x~4)), 110105#(and (<= 85 ULTIMATE.start_main_~x~4) (<= ULTIMATE.start_main_~x~4 85)), 110104#(and (<= ULTIMATE.start_main_~x~4 84) (<= 84 ULTIMATE.start_main_~x~4)), 110107#(and (<= ULTIMATE.start_main_~x~4 87) (<= 87 ULTIMATE.start_main_~x~4)), 110106#(and (<= 86 ULTIMATE.start_main_~x~4) (<= ULTIMATE.start_main_~x~4 86)), 110109#(and (<= ULTIMATE.start_main_~x~4 89) (<= 89 ULTIMATE.start_main_~x~4)), 110108#(and (<= 88 ULTIMATE.start_main_~x~4) (<= ULTIMATE.start_main_~x~4 88)), 110111#(and (<= ULTIMATE.start_main_~x~4 91) (<= 91 ULTIMATE.start_main_~x~4)), 110110#(and (<= ULTIMATE.start_main_~x~4 90) (<= 90 ULTIMATE.start_main_~x~4)), 110113#(and (<= ULTIMATE.start_main_~x~4 93) (<= 93 ULTIMATE.start_main_~x~4)), 110112#(and (<= ULTIMATE.start_main_~x~4 92) (<= 92 ULTIMATE.start_main_~x~4)), 110115#(and (<= 95 ULTIMATE.start_main_~x~4) (<= ULTIMATE.start_main_~x~4 95)), 110114#(and (<= ULTIMATE.start_main_~x~4 94) (<= 94 ULTIMATE.start_main_~x~4)), 110117#(and (<= 97 ULTIMATE.start_main_~x~4) (<= ULTIMATE.start_main_~x~4 97)), 110116#(and (<= ULTIMATE.start_main_~x~4 96) (<= 96 ULTIMATE.start_main_~x~4)), 110119#(and (<= 99 ULTIMATE.start_main_~x~4) (<= ULTIMATE.start_main_~x~4 99)), 110118#(and (<= ULTIMATE.start_main_~x~4 98) (<= 98 ULTIMATE.start_main_~x~4)), 110121#(and (<= ULTIMATE.start_main_~x~4 101) (<= 101 ULTIMATE.start_main_~x~4)), 110120#(and (<= ULTIMATE.start_main_~x~4 100) (<= 100 ULTIMATE.start_main_~x~4)), 110123#(and (<= 103 ULTIMATE.start_main_~x~4) (<= ULTIMATE.start_main_~x~4 103)), 110122#(and (<= 102 ULTIMATE.start_main_~x~4) (<= ULTIMATE.start_main_~x~4 102)), 110125#(and (<= 105 ULTIMATE.start_main_~x~4) (<= ULTIMATE.start_main_~x~4 105)), 110124#(and (<= ULTIMATE.start_main_~x~4 104) (<= 104 ULTIMATE.start_main_~x~4)), 110127#(and (<= 107 ULTIMATE.start_main_~x~4) (<= ULTIMATE.start_main_~x~4 107)), 110126#(and (<= 106 ULTIMATE.start_main_~x~4) (<= ULTIMATE.start_main_~x~4 106)), 110129#(and (<= ULTIMATE.start_main_~x~4 109) (<= 109 ULTIMATE.start_main_~x~4)), 110128#(and (<= 108 ULTIMATE.start_main_~x~4) (<= ULTIMATE.start_main_~x~4 108)), 110131#(and (<= ULTIMATE.start_main_~x~4 111) (<= 111 ULTIMATE.start_main_~x~4)), 110130#(and (<= 110 ULTIMATE.start_main_~x~4) (<= ULTIMATE.start_main_~x~4 110)), 110133#(and (<= 113 ULTIMATE.start_main_~x~4) (<= ULTIMATE.start_main_~x~4 113)), 110132#(and (<= ULTIMATE.start_main_~x~4 112) (<= 112 ULTIMATE.start_main_~x~4)), 110135#(and (<= ULTIMATE.start_main_~x~4 115) (<= 115 ULTIMATE.start_main_~x~4)), 110134#(and (<= ULTIMATE.start_main_~x~4 114) (<= 114 ULTIMATE.start_main_~x~4)), 110137#(and (<= ULTIMATE.start_main_~x~4 117) (<= 117 ULTIMATE.start_main_~x~4)), 110136#(and (<= ULTIMATE.start_main_~x~4 116) (<= 116 ULTIMATE.start_main_~x~4)), 110139#(and (<= 119 ULTIMATE.start_main_~x~4) (<= ULTIMATE.start_main_~x~4 119)), 110138#(and (<= 118 ULTIMATE.start_main_~x~4) (<= ULTIMATE.start_main_~x~4 118)), 110141#(and (<= 121 ULTIMATE.start_main_~x~4) (<= ULTIMATE.start_main_~x~4 121)), 110140#(and (<= 120 ULTIMATE.start_main_~x~4) (<= ULTIMATE.start_main_~x~4 120)), 110143#(and (<= ULTIMATE.start_main_~x~4 123) (<= 123 ULTIMATE.start_main_~x~4)), 110142#(and (<= 122 ULTIMATE.start_main_~x~4) (<= ULTIMATE.start_main_~x~4 122)), 110145#(and (<= 125 ULTIMATE.start_main_~x~4) (<= ULTIMATE.start_main_~x~4 125)), 110144#(and (<= ULTIMATE.start_main_~x~4 124) (<= 124 ULTIMATE.start_main_~x~4)), 110147#(and (<= ULTIMATE.start_main_~x~4 127) (<= 127 ULTIMATE.start_main_~x~4)), 110146#(and (<= 126 ULTIMATE.start_main_~x~4) (<= ULTIMATE.start_main_~x~4 126)), 110149#(and (<= 129 ULTIMATE.start_main_~x~4) (<= ULTIMATE.start_main_~x~4 129)), 110148#(and (<= 128 ULTIMATE.start_main_~x~4) (<= ULTIMATE.start_main_~x~4 128)), 110151#(and (<= 131 ULTIMATE.start_main_~x~4) (<= ULTIMATE.start_main_~x~4 131)), 110150#(and (<= ULTIMATE.start_main_~x~4 130) (<= 130 ULTIMATE.start_main_~x~4)), 110153#(and (<= ULTIMATE.start_main_~x~4 133) (<= 133 ULTIMATE.start_main_~x~4)), 110152#(and (<= 132 ULTIMATE.start_main_~x~4) (<= ULTIMATE.start_main_~x~4 132)), 110155#(and (<= 135 ULTIMATE.start_main_~x~4) (<= ULTIMATE.start_main_~x~4 135)), 110154#(and (<= 134 ULTIMATE.start_main_~x~4) (<= ULTIMATE.start_main_~x~4 134)), 110157#(and (<= 137 ULTIMATE.start_main_~x~4) (<= ULTIMATE.start_main_~x~4 137)), 110156#(and (<= ULTIMATE.start_main_~x~4 136) (<= 136 ULTIMATE.start_main_~x~4)), 110159#(and (<= 139 ULTIMATE.start_main_~x~4) (<= ULTIMATE.start_main_~x~4 139)), 110158#(and (<= 138 ULTIMATE.start_main_~x~4) (<= ULTIMATE.start_main_~x~4 138)), 110161#(and (<= 141 ULTIMATE.start_main_~x~4) (<= ULTIMATE.start_main_~x~4 141)), 110160#(and (<= 140 ULTIMATE.start_main_~x~4) (<= ULTIMATE.start_main_~x~4 140)), 110163#(and (<= ULTIMATE.start_main_~x~4 143) (<= 143 ULTIMATE.start_main_~x~4)), 110162#(and (<= 142 ULTIMATE.start_main_~x~4) (<= ULTIMATE.start_main_~x~4 142)), 110165#(and (<= ULTIMATE.start_main_~x~4 145) (<= 145 ULTIMATE.start_main_~x~4)), 110164#(and (<= ULTIMATE.start_main_~x~4 144) (<= 144 ULTIMATE.start_main_~x~4)), 110167#(and (<= 147 ULTIMATE.start_main_~x~4) (<= ULTIMATE.start_main_~x~4 147)), 110166#(and (<= ULTIMATE.start_main_~x~4 146) (<= 146 ULTIMATE.start_main_~x~4)), 110169#(and (<= 149 ULTIMATE.start_main_~x~4) (<= ULTIMATE.start_main_~x~4 149)), 110168#(and (<= ULTIMATE.start_main_~x~4 148) (<= 148 ULTIMATE.start_main_~x~4)), 110171#(and (<= ULTIMATE.start_main_~x~4 151) (<= 151 ULTIMATE.start_main_~x~4)), 110170#(and (<= 150 ULTIMATE.start_main_~x~4) (<= ULTIMATE.start_main_~x~4 150)), 110173#(and (<= ULTIMATE.start_main_~x~4 153) (<= 153 ULTIMATE.start_main_~x~4)), 110172#(and (<= 152 ULTIMATE.start_main_~x~4) (<= ULTIMATE.start_main_~x~4 152)), 110019#false, 110018#true, 110021#(and (<= ULTIMATE.start_main_~x~4 1) (<= 1 ULTIMATE.start_main_~x~4)), 110020#(and (<= ULTIMATE.start_main_~x~4 0) (<= 0 ULTIMATE.start_main_~x~4)), 110023#(and (<= 3 ULTIMATE.start_main_~x~4) (<= ULTIMATE.start_main_~x~4 3)), 110022#(and (<= 2 ULTIMATE.start_main_~x~4) (<= ULTIMATE.start_main_~x~4 2)), 110025#(and (<= ULTIMATE.start_main_~x~4 5) (<= 5 ULTIMATE.start_main_~x~4)), 110024#(and (<= ULTIMATE.start_main_~x~4 4) (<= 4 ULTIMATE.start_main_~x~4)), 110027#(and (<= ULTIMATE.start_main_~x~4 7) (<= 7 ULTIMATE.start_main_~x~4)), 110026#(and (<= 6 ULTIMATE.start_main_~x~4) (<= ULTIMATE.start_main_~x~4 6)), 110029#(and (<= 9 ULTIMATE.start_main_~x~4) (<= ULTIMATE.start_main_~x~4 9)), 110028#(and (<= ULTIMATE.start_main_~x~4 8) (<= 8 ULTIMATE.start_main_~x~4)), 110031#(and (<= ULTIMATE.start_main_~x~4 11) (<= 11 ULTIMATE.start_main_~x~4)), 110030#(and (<= ULTIMATE.start_main_~x~4 10) (<= 10 ULTIMATE.start_main_~x~4)), 110033#(and (<= ULTIMATE.start_main_~x~4 13) (<= 13 ULTIMATE.start_main_~x~4)), 110032#(and (<= 12 ULTIMATE.start_main_~x~4) (<= ULTIMATE.start_main_~x~4 12)), 110035#(and (<= 15 ULTIMATE.start_main_~x~4) (<= ULTIMATE.start_main_~x~4 15)), 110034#(and (<= 14 ULTIMATE.start_main_~x~4) (<= ULTIMATE.start_main_~x~4 14)), 110037#(and (<= ULTIMATE.start_main_~x~4 17) (<= 17 ULTIMATE.start_main_~x~4)), 110036#(and (<= ULTIMATE.start_main_~x~4 16) (<= 16 ULTIMATE.start_main_~x~4)), 110039#(and (<= 19 ULTIMATE.start_main_~x~4) (<= ULTIMATE.start_main_~x~4 19)), 110038#(and (<= 18 ULTIMATE.start_main_~x~4) (<= ULTIMATE.start_main_~x~4 18)), 110041#(and (<= ULTIMATE.start_main_~x~4 21) (<= 21 ULTIMATE.start_main_~x~4)), 110040#(and (<= 20 ULTIMATE.start_main_~x~4) (<= ULTIMATE.start_main_~x~4 20)), 110043#(and (<= ULTIMATE.start_main_~x~4 23) (<= 23 ULTIMATE.start_main_~x~4)), 110042#(and (<= ULTIMATE.start_main_~x~4 22) (<= 22 ULTIMATE.start_main_~x~4)), 110045#(and (<= ULTIMATE.start_main_~x~4 25) (<= 25 ULTIMATE.start_main_~x~4)), 110044#(and (<= ULTIMATE.start_main_~x~4 24) (<= 24 ULTIMATE.start_main_~x~4)), 110047#(and (<= ULTIMATE.start_main_~x~4 27) (<= 27 ULTIMATE.start_main_~x~4)), 110046#(and (<= ULTIMATE.start_main_~x~4 26) (<= 26 ULTIMATE.start_main_~x~4)), 110049#(and (<= 29 ULTIMATE.start_main_~x~4) (<= ULTIMATE.start_main_~x~4 29)), 110048#(and (<= ULTIMATE.start_main_~x~4 28) (<= 28 ULTIMATE.start_main_~x~4)), 110051#(and (<= ULTIMATE.start_main_~x~4 31) (<= 31 ULTIMATE.start_main_~x~4)), 110050#(and (<= ULTIMATE.start_main_~x~4 30) (<= 30 ULTIMATE.start_main_~x~4)), 110053#(and (<= ULTIMATE.start_main_~x~4 33) (<= 33 ULTIMATE.start_main_~x~4)), 110052#(and (<= ULTIMATE.start_main_~x~4 32) (<= 32 ULTIMATE.start_main_~x~4)), 110055#(and (<= ULTIMATE.start_main_~x~4 35) (<= 35 ULTIMATE.start_main_~x~4)), 110054#(and (<= 34 ULTIMATE.start_main_~x~4) (<= ULTIMATE.start_main_~x~4 34)), 110057#(and (<= ULTIMATE.start_main_~x~4 37) (<= 37 ULTIMATE.start_main_~x~4)), 110056#(and (<= 36 ULTIMATE.start_main_~x~4) (<= ULTIMATE.start_main_~x~4 36)), 110059#(and (<= ULTIMATE.start_main_~x~4 39) (<= 39 ULTIMATE.start_main_~x~4)), 110058#(and (<= 38 ULTIMATE.start_main_~x~4) (<= ULTIMATE.start_main_~x~4 38)), 110061#(and (<= ULTIMATE.start_main_~x~4 41) (<= 41 ULTIMATE.start_main_~x~4)), 110060#(and (<= ULTIMATE.start_main_~x~4 40) (<= 40 ULTIMATE.start_main_~x~4)), 110063#(and (<= ULTIMATE.start_main_~x~4 43) (<= 43 ULTIMATE.start_main_~x~4)), 110062#(and (<= ULTIMATE.start_main_~x~4 42) (<= 42 ULTIMATE.start_main_~x~4)), 110065#(and (<= 45 ULTIMATE.start_main_~x~4) (<= ULTIMATE.start_main_~x~4 45)), 110064#(and (<= 44 ULTIMATE.start_main_~x~4) (<= ULTIMATE.start_main_~x~4 44)), 110067#(and (<= 47 ULTIMATE.start_main_~x~4) (<= ULTIMATE.start_main_~x~4 47)), 110066#(and (<= ULTIMATE.start_main_~x~4 46) (<= 46 ULTIMATE.start_main_~x~4)), 110069#(and (<= 49 ULTIMATE.start_main_~x~4) (<= ULTIMATE.start_main_~x~4 49)), 110068#(and (<= 48 ULTIMATE.start_main_~x~4) (<= ULTIMATE.start_main_~x~4 48)), 110071#(and (<= 51 ULTIMATE.start_main_~x~4) (<= ULTIMATE.start_main_~x~4 51)), 110070#(and (<= ULTIMATE.start_main_~x~4 50) (<= 50 ULTIMATE.start_main_~x~4)), 110073#(and (<= 53 ULTIMATE.start_main_~x~4) (<= ULTIMATE.start_main_~x~4 53)), 110072#(and (<= ULTIMATE.start_main_~x~4 52) (<= 52 ULTIMATE.start_main_~x~4)), 110075#(and (<= 55 ULTIMATE.start_main_~x~4) (<= ULTIMATE.start_main_~x~4 55)), 110074#(and (<= ULTIMATE.start_main_~x~4 54) (<= 54 ULTIMATE.start_main_~x~4)), 110077#(and (<= 57 ULTIMATE.start_main_~x~4) (<= ULTIMATE.start_main_~x~4 57)), 110076#(and (<= 56 ULTIMATE.start_main_~x~4) (<= ULTIMATE.start_main_~x~4 56)), 110079#(and (<= ULTIMATE.start_main_~x~4 59) (<= 59 ULTIMATE.start_main_~x~4)), 110078#(and (<= 58 ULTIMATE.start_main_~x~4) (<= ULTIMATE.start_main_~x~4 58))] [2018-07-23 13:52:52,067 INFO L134 CoverageAnalysis]: Checked inductivity of 23562 backedges. 0 proven. 23562 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-07-23 13:52:52,067 INFO L450 AbstractCegarLoop]: Interpolant automaton has 156 states [2018-07-23 13:52:52,067 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 156 interpolants. [2018-07-23 13:52:52,068 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=309, Invalid=23871, Unknown=0, NotChecked=0, Total=24180 [2018-07-23 13:52:52,069 INFO L87 Difference]: Start difference. First operand 311 states and 311 transitions. Second operand 156 states. [2018-07-23 13:52:53,800 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-07-23 13:52:53,800 INFO L93 Difference]: Finished difference Result 315 states and 315 transitions. [2018-07-23 13:52:53,800 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 156 states. [2018-07-23 13:52:53,800 INFO L78 Accepts]: Start accepts. Automaton has 156 states. Word has length 310 [2018-07-23 13:52:53,801 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-07-23 13:52:53,801 INFO L225 Difference]: With dead ends: 315 [2018-07-23 13:52:53,801 INFO L226 Difference]: Without dead ends: 313 [2018-07-23 13:52:53,803 INFO L575 BasicCegarLoop]: 0 DeclaredPredicates, 155 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 154 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.9s TimeCoverageRelationStatistics Valid=309, Invalid=23871, Unknown=0, NotChecked=0, Total=24180 [2018-07-23 13:52:53,803 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 313 states. [2018-07-23 13:52:53,810 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 313 to 313. [2018-07-23 13:52:53,810 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 313 states. [2018-07-23 13:52:53,811 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 313 states to 313 states and 313 transitions. [2018-07-23 13:52:53,811 INFO L78 Accepts]: Start accepts. Automaton has 313 states and 313 transitions. Word has length 310 [2018-07-23 13:52:53,811 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-07-23 13:52:53,811 INFO L471 AbstractCegarLoop]: Abstraction has 313 states and 313 transitions. [2018-07-23 13:52:53,811 INFO L472 AbstractCegarLoop]: Interpolant automaton has 156 states. [2018-07-23 13:52:53,811 INFO L276 IsEmpty]: Start isEmpty. Operand 313 states and 313 transitions. [2018-07-23 13:52:53,812 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 313 [2018-07-23 13:52:53,812 INFO L349 BasicCegarLoop]: Found error trace [2018-07-23 13:52:53,812 INFO L357 BasicCegarLoop]: trace histogram [155, 154, 1, 1, 1] [2018-07-23 13:52:53,812 INFO L414 AbstractCegarLoop]: === Iteration 155 === [ULTIMATE.startErr0AssertViolationASSERT]=== [2018-07-23 13:52:53,813 INFO L82 PathProgramCache]: Analyzing trace with hash 1287475499, now seen corresponding path program 154 times [2018-07-23 13:52:53,813 INFO L69 tionRefinementEngine]: Using refinement strategy FixedRefinementStrategy [2018-07-23 13:52:54,192 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-07-23 13:52:55,485 INFO L134 CoverageAnalysis]: Checked inductivity of 23870 backedges. 0 proven. 23870 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-07-23 13:52:55,486 INFO L309 seRefinementStrategy]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2018-07-23 13:52:55,486 INFO L324 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [156] total 156 [2018-07-23 13:52:55,486 INFO L142 lantAutomatonBuilder]: Constructing canonical interpolant automaton, with selfloop in false state [2018-07-23 13:52:55,486 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-07-23 13:52:55,486 INFO L185 omatonBuilderFactory]: Interpolants [111431#false, 111430#true, 111433#(and (<= ULTIMATE.start_main_~x~4 1) (<= 1 ULTIMATE.start_main_~x~4)), 111432#(and (<= ULTIMATE.start_main_~x~4 0) (<= 0 ULTIMATE.start_main_~x~4)), 111435#(and (<= 3 ULTIMATE.start_main_~x~4) (<= ULTIMATE.start_main_~x~4 3)), 111434#(and (<= 2 ULTIMATE.start_main_~x~4) (<= ULTIMATE.start_main_~x~4 2)), 111437#(and (<= ULTIMATE.start_main_~x~4 5) (<= 5 ULTIMATE.start_main_~x~4)), 111436#(and (<= ULTIMATE.start_main_~x~4 4) (<= 4 ULTIMATE.start_main_~x~4)), 111439#(and (<= ULTIMATE.start_main_~x~4 7) (<= 7 ULTIMATE.start_main_~x~4)), 111438#(and (<= 6 ULTIMATE.start_main_~x~4) (<= ULTIMATE.start_main_~x~4 6)), 111441#(and (<= 9 ULTIMATE.start_main_~x~4) (<= ULTIMATE.start_main_~x~4 9)), 111440#(and (<= ULTIMATE.start_main_~x~4 8) (<= 8 ULTIMATE.start_main_~x~4)), 111443#(and (<= ULTIMATE.start_main_~x~4 11) (<= 11 ULTIMATE.start_main_~x~4)), 111442#(and (<= ULTIMATE.start_main_~x~4 10) (<= 10 ULTIMATE.start_main_~x~4)), 111445#(and (<= ULTIMATE.start_main_~x~4 13) (<= 13 ULTIMATE.start_main_~x~4)), 111444#(and (<= 12 ULTIMATE.start_main_~x~4) (<= ULTIMATE.start_main_~x~4 12)), 111447#(and (<= 15 ULTIMATE.start_main_~x~4) (<= ULTIMATE.start_main_~x~4 15)), 111446#(and (<= 14 ULTIMATE.start_main_~x~4) (<= ULTIMATE.start_main_~x~4 14)), 111449#(and (<= ULTIMATE.start_main_~x~4 17) (<= 17 ULTIMATE.start_main_~x~4)), 111448#(and (<= ULTIMATE.start_main_~x~4 16) (<= 16 ULTIMATE.start_main_~x~4)), 111451#(and (<= 19 ULTIMATE.start_main_~x~4) (<= ULTIMATE.start_main_~x~4 19)), 111450#(and (<= 18 ULTIMATE.start_main_~x~4) (<= ULTIMATE.start_main_~x~4 18)), 111453#(and (<= ULTIMATE.start_main_~x~4 21) (<= 21 ULTIMATE.start_main_~x~4)), 111452#(and (<= 20 ULTIMATE.start_main_~x~4) (<= ULTIMATE.start_main_~x~4 20)), 111455#(and (<= ULTIMATE.start_main_~x~4 23) (<= 23 ULTIMATE.start_main_~x~4)), 111454#(and (<= ULTIMATE.start_main_~x~4 22) (<= 22 ULTIMATE.start_main_~x~4)), 111457#(and (<= ULTIMATE.start_main_~x~4 25) (<= 25 ULTIMATE.start_main_~x~4)), 111456#(and (<= ULTIMATE.start_main_~x~4 24) (<= 24 ULTIMATE.start_main_~x~4)), 111459#(and (<= ULTIMATE.start_main_~x~4 27) (<= 27 ULTIMATE.start_main_~x~4)), 111458#(and (<= ULTIMATE.start_main_~x~4 26) (<= 26 ULTIMATE.start_main_~x~4)), 111461#(and (<= 29 ULTIMATE.start_main_~x~4) (<= ULTIMATE.start_main_~x~4 29)), 111460#(and (<= ULTIMATE.start_main_~x~4 28) (<= 28 ULTIMATE.start_main_~x~4)), 111463#(and (<= ULTIMATE.start_main_~x~4 31) (<= 31 ULTIMATE.start_main_~x~4)), 111462#(and (<= ULTIMATE.start_main_~x~4 30) (<= 30 ULTIMATE.start_main_~x~4)), 111465#(and (<= ULTIMATE.start_main_~x~4 33) (<= 33 ULTIMATE.start_main_~x~4)), 111464#(and (<= ULTIMATE.start_main_~x~4 32) (<= 32 ULTIMATE.start_main_~x~4)), 111467#(and (<= ULTIMATE.start_main_~x~4 35) (<= 35 ULTIMATE.start_main_~x~4)), 111466#(and (<= 34 ULTIMATE.start_main_~x~4) (<= ULTIMATE.start_main_~x~4 34)), 111469#(and (<= ULTIMATE.start_main_~x~4 37) (<= 37 ULTIMATE.start_main_~x~4)), 111468#(and (<= 36 ULTIMATE.start_main_~x~4) (<= ULTIMATE.start_main_~x~4 36)), 111471#(and (<= ULTIMATE.start_main_~x~4 39) (<= 39 ULTIMATE.start_main_~x~4)), 111470#(and (<= 38 ULTIMATE.start_main_~x~4) (<= ULTIMATE.start_main_~x~4 38)), 111473#(and (<= ULTIMATE.start_main_~x~4 41) (<= 41 ULTIMATE.start_main_~x~4)), 111472#(and (<= ULTIMATE.start_main_~x~4 40) (<= 40 ULTIMATE.start_main_~x~4)), 111475#(and (<= ULTIMATE.start_main_~x~4 43) (<= 43 ULTIMATE.start_main_~x~4)), 111474#(and (<= ULTIMATE.start_main_~x~4 42) (<= 42 ULTIMATE.start_main_~x~4)), 111477#(and (<= 45 ULTIMATE.start_main_~x~4) (<= ULTIMATE.start_main_~x~4 45)), 111476#(and (<= 44 ULTIMATE.start_main_~x~4) (<= ULTIMATE.start_main_~x~4 44)), 111479#(and (<= 47 ULTIMATE.start_main_~x~4) (<= ULTIMATE.start_main_~x~4 47)), 111478#(and (<= ULTIMATE.start_main_~x~4 46) (<= 46 ULTIMATE.start_main_~x~4)), 111481#(and (<= 49 ULTIMATE.start_main_~x~4) (<= ULTIMATE.start_main_~x~4 49)), 111480#(and (<= 48 ULTIMATE.start_main_~x~4) (<= ULTIMATE.start_main_~x~4 48)), 111483#(and (<= 51 ULTIMATE.start_main_~x~4) (<= ULTIMATE.start_main_~x~4 51)), 111482#(and (<= ULTIMATE.start_main_~x~4 50) (<= 50 ULTIMATE.start_main_~x~4)), 111485#(and (<= 53 ULTIMATE.start_main_~x~4) (<= ULTIMATE.start_main_~x~4 53)), 111484#(and (<= ULTIMATE.start_main_~x~4 52) (<= 52 ULTIMATE.start_main_~x~4)), 111487#(and (<= 55 ULTIMATE.start_main_~x~4) (<= ULTIMATE.start_main_~x~4 55)), 111486#(and (<= ULTIMATE.start_main_~x~4 54) (<= 54 ULTIMATE.start_main_~x~4)), 111489#(and (<= 57 ULTIMATE.start_main_~x~4) (<= ULTIMATE.start_main_~x~4 57)), 111488#(and (<= 56 ULTIMATE.start_main_~x~4) (<= ULTIMATE.start_main_~x~4 56)), 111491#(and (<= ULTIMATE.start_main_~x~4 59) (<= 59 ULTIMATE.start_main_~x~4)), 111490#(and (<= 58 ULTIMATE.start_main_~x~4) (<= ULTIMATE.start_main_~x~4 58)), 111493#(and (<= 61 ULTIMATE.start_main_~x~4) (<= ULTIMATE.start_main_~x~4 61)), 111492#(and (<= 60 ULTIMATE.start_main_~x~4) (<= ULTIMATE.start_main_~x~4 60)), 111495#(and (<= 63 ULTIMATE.start_main_~x~4) (<= ULTIMATE.start_main_~x~4 63)), 111494#(and (<= ULTIMATE.start_main_~x~4 62) (<= 62 ULTIMATE.start_main_~x~4)), 111497#(and (<= 65 ULTIMATE.start_main_~x~4) (<= ULTIMATE.start_main_~x~4 65)), 111496#(and (<= ULTIMATE.start_main_~x~4 64) (<= 64 ULTIMATE.start_main_~x~4)), 111499#(and (<= 67 ULTIMATE.start_main_~x~4) (<= ULTIMATE.start_main_~x~4 67)), 111498#(and (<= 66 ULTIMATE.start_main_~x~4) (<= ULTIMATE.start_main_~x~4 66)), 111501#(and (<= 69 ULTIMATE.start_main_~x~4) (<= ULTIMATE.start_main_~x~4 69)), 111500#(and (<= ULTIMATE.start_main_~x~4 68) (<= 68 ULTIMATE.start_main_~x~4)), 111503#(and (<= 71 ULTIMATE.start_main_~x~4) (<= ULTIMATE.start_main_~x~4 71)), 111502#(and (<= ULTIMATE.start_main_~x~4 70) (<= 70 ULTIMATE.start_main_~x~4)), 111505#(and (<= ULTIMATE.start_main_~x~4 73) (<= 73 ULTIMATE.start_main_~x~4)), 111504#(and (<= 72 ULTIMATE.start_main_~x~4) (<= ULTIMATE.start_main_~x~4 72)), 111507#(and (<= ULTIMATE.start_main_~x~4 75) (<= 75 ULTIMATE.start_main_~x~4)), 111506#(and (<= 74 ULTIMATE.start_main_~x~4) (<= ULTIMATE.start_main_~x~4 74)), 111509#(and (<= ULTIMATE.start_main_~x~4 77) (<= 77 ULTIMATE.start_main_~x~4)), 111508#(and (<= ULTIMATE.start_main_~x~4 76) (<= 76 ULTIMATE.start_main_~x~4)), 111511#(and (<= 79 ULTIMATE.start_main_~x~4) (<= ULTIMATE.start_main_~x~4 79)), 111510#(and (<= ULTIMATE.start_main_~x~4 78) (<= 78 ULTIMATE.start_main_~x~4)), 111513#(and (<= ULTIMATE.start_main_~x~4 81) (<= 81 ULTIMATE.start_main_~x~4)), 111512#(and (<= ULTIMATE.start_main_~x~4 80) (<= 80 ULTIMATE.start_main_~x~4)), 111515#(and (<= 83 ULTIMATE.start_main_~x~4) (<= ULTIMATE.start_main_~x~4 83)), 111514#(and (<= ULTIMATE.start_main_~x~4 82) (<= 82 ULTIMATE.start_main_~x~4)), 111517#(and (<= 85 ULTIMATE.start_main_~x~4) (<= ULTIMATE.start_main_~x~4 85)), 111516#(and (<= ULTIMATE.start_main_~x~4 84) (<= 84 ULTIMATE.start_main_~x~4)), 111519#(and (<= ULTIMATE.start_main_~x~4 87) (<= 87 ULTIMATE.start_main_~x~4)), 111518#(and (<= 86 ULTIMATE.start_main_~x~4) (<= ULTIMATE.start_main_~x~4 86)), 111521#(and (<= ULTIMATE.start_main_~x~4 89) (<= 89 ULTIMATE.start_main_~x~4)), 111520#(and (<= 88 ULTIMATE.start_main_~x~4) (<= ULTIMATE.start_main_~x~4 88)), 111523#(and (<= ULTIMATE.start_main_~x~4 91) (<= 91 ULTIMATE.start_main_~x~4)), 111522#(and (<= ULTIMATE.start_main_~x~4 90) (<= 90 ULTIMATE.start_main_~x~4)), 111525#(and (<= ULTIMATE.start_main_~x~4 93) (<= 93 ULTIMATE.start_main_~x~4)), 111524#(and (<= ULTIMATE.start_main_~x~4 92) (<= 92 ULTIMATE.start_main_~x~4)), 111527#(and (<= 95 ULTIMATE.start_main_~x~4) (<= ULTIMATE.start_main_~x~4 95)), 111526#(and (<= ULTIMATE.start_main_~x~4 94) (<= 94 ULTIMATE.start_main_~x~4)), 111529#(and (<= 97 ULTIMATE.start_main_~x~4) (<= ULTIMATE.start_main_~x~4 97)), 111528#(and (<= ULTIMATE.start_main_~x~4 96) (<= 96 ULTIMATE.start_main_~x~4)), 111531#(and (<= 99 ULTIMATE.start_main_~x~4) (<= ULTIMATE.start_main_~x~4 99)), 111530#(and (<= ULTIMATE.start_main_~x~4 98) (<= 98 ULTIMATE.start_main_~x~4)), 111533#(and (<= ULTIMATE.start_main_~x~4 101) (<= 101 ULTIMATE.start_main_~x~4)), 111532#(and (<= ULTIMATE.start_main_~x~4 100) (<= 100 ULTIMATE.start_main_~x~4)), 111535#(and (<= 103 ULTIMATE.start_main_~x~4) (<= ULTIMATE.start_main_~x~4 103)), 111534#(and (<= 102 ULTIMATE.start_main_~x~4) (<= ULTIMATE.start_main_~x~4 102)), 111537#(and (<= 105 ULTIMATE.start_main_~x~4) (<= ULTIMATE.start_main_~x~4 105)), 111536#(and (<= ULTIMATE.start_main_~x~4 104) (<= 104 ULTIMATE.start_main_~x~4)), 111539#(and (<= 107 ULTIMATE.start_main_~x~4) (<= ULTIMATE.start_main_~x~4 107)), 111538#(and (<= 106 ULTIMATE.start_main_~x~4) (<= ULTIMATE.start_main_~x~4 106)), 111541#(and (<= ULTIMATE.start_main_~x~4 109) (<= 109 ULTIMATE.start_main_~x~4)), 111540#(and (<= 108 ULTIMATE.start_main_~x~4) (<= ULTIMATE.start_main_~x~4 108)), 111543#(and (<= ULTIMATE.start_main_~x~4 111) (<= 111 ULTIMATE.start_main_~x~4)), 111542#(and (<= 110 ULTIMATE.start_main_~x~4) (<= ULTIMATE.start_main_~x~4 110)), 111545#(and (<= 113 ULTIMATE.start_main_~x~4) (<= ULTIMATE.start_main_~x~4 113)), 111544#(and (<= ULTIMATE.start_main_~x~4 112) (<= 112 ULTIMATE.start_main_~x~4)), 111547#(and (<= ULTIMATE.start_main_~x~4 115) (<= 115 ULTIMATE.start_main_~x~4)), 111546#(and (<= ULTIMATE.start_main_~x~4 114) (<= 114 ULTIMATE.start_main_~x~4)), 111549#(and (<= ULTIMATE.start_main_~x~4 117) (<= 117 ULTIMATE.start_main_~x~4)), 111548#(and (<= ULTIMATE.start_main_~x~4 116) (<= 116 ULTIMATE.start_main_~x~4)), 111551#(and (<= 119 ULTIMATE.start_main_~x~4) (<= ULTIMATE.start_main_~x~4 119)), 111550#(and (<= 118 ULTIMATE.start_main_~x~4) (<= ULTIMATE.start_main_~x~4 118)), 111553#(and (<= 121 ULTIMATE.start_main_~x~4) (<= ULTIMATE.start_main_~x~4 121)), 111552#(and (<= 120 ULTIMATE.start_main_~x~4) (<= ULTIMATE.start_main_~x~4 120)), 111555#(and (<= ULTIMATE.start_main_~x~4 123) (<= 123 ULTIMATE.start_main_~x~4)), 111554#(and (<= 122 ULTIMATE.start_main_~x~4) (<= ULTIMATE.start_main_~x~4 122)), 111557#(and (<= 125 ULTIMATE.start_main_~x~4) (<= ULTIMATE.start_main_~x~4 125)), 111556#(and (<= ULTIMATE.start_main_~x~4 124) (<= 124 ULTIMATE.start_main_~x~4)), 111559#(and (<= ULTIMATE.start_main_~x~4 127) (<= 127 ULTIMATE.start_main_~x~4)), 111558#(and (<= 126 ULTIMATE.start_main_~x~4) (<= ULTIMATE.start_main_~x~4 126)), 111561#(and (<= 129 ULTIMATE.start_main_~x~4) (<= ULTIMATE.start_main_~x~4 129)), 111560#(and (<= 128 ULTIMATE.start_main_~x~4) (<= ULTIMATE.start_main_~x~4 128)), 111563#(and (<= 131 ULTIMATE.start_main_~x~4) (<= ULTIMATE.start_main_~x~4 131)), 111562#(and (<= ULTIMATE.start_main_~x~4 130) (<= 130 ULTIMATE.start_main_~x~4)), 111565#(and (<= ULTIMATE.start_main_~x~4 133) (<= 133 ULTIMATE.start_main_~x~4)), 111564#(and (<= 132 ULTIMATE.start_main_~x~4) (<= ULTIMATE.start_main_~x~4 132)), 111567#(and (<= 135 ULTIMATE.start_main_~x~4) (<= ULTIMATE.start_main_~x~4 135)), 111566#(and (<= 134 ULTIMATE.start_main_~x~4) (<= ULTIMATE.start_main_~x~4 134)), 111569#(and (<= 137 ULTIMATE.start_main_~x~4) (<= ULTIMATE.start_main_~x~4 137)), 111568#(and (<= ULTIMATE.start_main_~x~4 136) (<= 136 ULTIMATE.start_main_~x~4)), 111571#(and (<= 139 ULTIMATE.start_main_~x~4) (<= ULTIMATE.start_main_~x~4 139)), 111570#(and (<= 138 ULTIMATE.start_main_~x~4) (<= ULTIMATE.start_main_~x~4 138)), 111573#(and (<= 141 ULTIMATE.start_main_~x~4) (<= ULTIMATE.start_main_~x~4 141)), 111572#(and (<= 140 ULTIMATE.start_main_~x~4) (<= ULTIMATE.start_main_~x~4 140)), 111575#(and (<= ULTIMATE.start_main_~x~4 143) (<= 143 ULTIMATE.start_main_~x~4)), 111574#(and (<= 142 ULTIMATE.start_main_~x~4) (<= ULTIMATE.start_main_~x~4 142)), 111577#(and (<= ULTIMATE.start_main_~x~4 145) (<= 145 ULTIMATE.start_main_~x~4)), 111576#(and (<= ULTIMATE.start_main_~x~4 144) (<= 144 ULTIMATE.start_main_~x~4)), 111579#(and (<= 147 ULTIMATE.start_main_~x~4) (<= ULTIMATE.start_main_~x~4 147)), 111578#(and (<= ULTIMATE.start_main_~x~4 146) (<= 146 ULTIMATE.start_main_~x~4)), 111581#(and (<= 149 ULTIMATE.start_main_~x~4) (<= ULTIMATE.start_main_~x~4 149)), 111580#(and (<= ULTIMATE.start_main_~x~4 148) (<= 148 ULTIMATE.start_main_~x~4)), 111583#(and (<= ULTIMATE.start_main_~x~4 151) (<= 151 ULTIMATE.start_main_~x~4)), 111582#(and (<= 150 ULTIMATE.start_main_~x~4) (<= ULTIMATE.start_main_~x~4 150)), 111585#(and (<= ULTIMATE.start_main_~x~4 153) (<= 153 ULTIMATE.start_main_~x~4)), 111584#(and (<= 152 ULTIMATE.start_main_~x~4) (<= ULTIMATE.start_main_~x~4 152)), 111586#(and (<= ULTIMATE.start_main_~x~4 154) (<= 154 ULTIMATE.start_main_~x~4))] [2018-07-23 13:52:55,488 INFO L134 CoverageAnalysis]: Checked inductivity of 23870 backedges. 0 proven. 23870 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-07-23 13:52:55,488 INFO L450 AbstractCegarLoop]: Interpolant automaton has 157 states [2018-07-23 13:52:55,488 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 157 interpolants. [2018-07-23 13:52:55,489 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=311, Invalid=24181, Unknown=0, NotChecked=0, Total=24492 [2018-07-23 13:52:55,489 INFO L87 Difference]: Start difference. First operand 313 states and 313 transitions. Second operand 157 states. [2018-07-23 13:52:57,175 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-07-23 13:52:57,176 INFO L93 Difference]: Finished difference Result 317 states and 317 transitions. [2018-07-23 13:52:57,176 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 157 states. [2018-07-23 13:52:57,176 INFO L78 Accepts]: Start accepts. Automaton has 157 states. Word has length 312 [2018-07-23 13:52:57,176 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-07-23 13:52:57,177 INFO L225 Difference]: With dead ends: 317 [2018-07-23 13:52:57,177 INFO L226 Difference]: Without dead ends: 315 [2018-07-23 13:52:57,178 INFO L575 BasicCegarLoop]: 0 DeclaredPredicates, 156 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 155 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.9s TimeCoverageRelationStatistics Valid=311, Invalid=24181, Unknown=0, NotChecked=0, Total=24492 [2018-07-23 13:52:57,178 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 315 states. [2018-07-23 13:52:57,189 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 315 to 315. [2018-07-23 13:52:57,190 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 315 states. [2018-07-23 13:52:57,190 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 315 states to 315 states and 315 transitions. [2018-07-23 13:52:57,190 INFO L78 Accepts]: Start accepts. Automaton has 315 states and 315 transitions. Word has length 312 [2018-07-23 13:52:57,191 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-07-23 13:52:57,191 INFO L471 AbstractCegarLoop]: Abstraction has 315 states and 315 transitions. [2018-07-23 13:52:57,191 INFO L472 AbstractCegarLoop]: Interpolant automaton has 157 states. [2018-07-23 13:52:57,191 INFO L276 IsEmpty]: Start isEmpty. Operand 315 states and 315 transitions. [2018-07-23 13:52:57,192 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 315 [2018-07-23 13:52:57,192 INFO L349 BasicCegarLoop]: Found error trace [2018-07-23 13:52:57,192 INFO L357 BasicCegarLoop]: trace histogram [156, 155, 1, 1, 1] [2018-07-23 13:52:57,193 INFO L414 AbstractCegarLoop]: === Iteration 156 === [ULTIMATE.startErr0AssertViolationASSERT]=== [2018-07-23 13:52:57,193 INFO L82 PathProgramCache]: Analyzing trace with hash 313425381, now seen corresponding path program 155 times [2018-07-23 13:52:57,193 INFO L69 tionRefinementEngine]: Using refinement strategy FixedRefinementStrategy [2018-07-23 13:52:57,716 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-07-23 13:52:59,016 INFO L134 CoverageAnalysis]: Checked inductivity of 24180 backedges. 0 proven. 24180 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-07-23 13:52:59,017 INFO L309 seRefinementStrategy]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2018-07-23 13:52:59,017 INFO L324 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [157] total 157 [2018-07-23 13:52:59,017 INFO L142 lantAutomatonBuilder]: Constructing canonical interpolant automaton, with selfloop in false state [2018-07-23 13:52:59,017 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-07-23 13:52:59,018 INFO L185 omatonBuilderFactory]: Interpolants [112897#(and (<= 44 ULTIMATE.start_main_~x~4) (<= ULTIMATE.start_main_~x~4 44)), 112896#(and (<= ULTIMATE.start_main_~x~4 43) (<= 43 ULTIMATE.start_main_~x~4)), 112899#(and (<= ULTIMATE.start_main_~x~4 46) (<= 46 ULTIMATE.start_main_~x~4)), 112898#(and (<= 45 ULTIMATE.start_main_~x~4) (<= ULTIMATE.start_main_~x~4 45)), 112901#(and (<= 48 ULTIMATE.start_main_~x~4) (<= ULTIMATE.start_main_~x~4 48)), 112900#(and (<= 47 ULTIMATE.start_main_~x~4) (<= ULTIMATE.start_main_~x~4 47)), 112903#(and (<= ULTIMATE.start_main_~x~4 50) (<= 50 ULTIMATE.start_main_~x~4)), 112902#(and (<= 49 ULTIMATE.start_main_~x~4) (<= ULTIMATE.start_main_~x~4 49)), 112905#(and (<= ULTIMATE.start_main_~x~4 52) (<= 52 ULTIMATE.start_main_~x~4)), 112904#(and (<= 51 ULTIMATE.start_main_~x~4) (<= ULTIMATE.start_main_~x~4 51)), 112907#(and (<= ULTIMATE.start_main_~x~4 54) (<= 54 ULTIMATE.start_main_~x~4)), 112906#(and (<= 53 ULTIMATE.start_main_~x~4) (<= ULTIMATE.start_main_~x~4 53)), 112909#(and (<= 56 ULTIMATE.start_main_~x~4) (<= ULTIMATE.start_main_~x~4 56)), 112908#(and (<= 55 ULTIMATE.start_main_~x~4) (<= ULTIMATE.start_main_~x~4 55)), 112911#(and (<= 58 ULTIMATE.start_main_~x~4) (<= ULTIMATE.start_main_~x~4 58)), 112910#(and (<= 57 ULTIMATE.start_main_~x~4) (<= ULTIMATE.start_main_~x~4 57)), 112913#(and (<= 60 ULTIMATE.start_main_~x~4) (<= ULTIMATE.start_main_~x~4 60)), 112912#(and (<= ULTIMATE.start_main_~x~4 59) (<= 59 ULTIMATE.start_main_~x~4)), 112915#(and (<= ULTIMATE.start_main_~x~4 62) (<= 62 ULTIMATE.start_main_~x~4)), 112914#(and (<= 61 ULTIMATE.start_main_~x~4) (<= ULTIMATE.start_main_~x~4 61)), 112917#(and (<= ULTIMATE.start_main_~x~4 64) (<= 64 ULTIMATE.start_main_~x~4)), 112916#(and (<= 63 ULTIMATE.start_main_~x~4) (<= ULTIMATE.start_main_~x~4 63)), 112919#(and (<= 66 ULTIMATE.start_main_~x~4) (<= ULTIMATE.start_main_~x~4 66)), 112918#(and (<= 65 ULTIMATE.start_main_~x~4) (<= ULTIMATE.start_main_~x~4 65)), 112921#(and (<= ULTIMATE.start_main_~x~4 68) (<= 68 ULTIMATE.start_main_~x~4)), 112920#(and (<= 67 ULTIMATE.start_main_~x~4) (<= ULTIMATE.start_main_~x~4 67)), 112923#(and (<= ULTIMATE.start_main_~x~4 70) (<= 70 ULTIMATE.start_main_~x~4)), 112922#(and (<= 69 ULTIMATE.start_main_~x~4) (<= ULTIMATE.start_main_~x~4 69)), 112925#(and (<= 72 ULTIMATE.start_main_~x~4) (<= ULTIMATE.start_main_~x~4 72)), 112924#(and (<= 71 ULTIMATE.start_main_~x~4) (<= ULTIMATE.start_main_~x~4 71)), 112927#(and (<= 74 ULTIMATE.start_main_~x~4) (<= ULTIMATE.start_main_~x~4 74)), 112926#(and (<= ULTIMATE.start_main_~x~4 73) (<= 73 ULTIMATE.start_main_~x~4)), 112929#(and (<= ULTIMATE.start_main_~x~4 76) (<= 76 ULTIMATE.start_main_~x~4)), 112928#(and (<= ULTIMATE.start_main_~x~4 75) (<= 75 ULTIMATE.start_main_~x~4)), 112931#(and (<= ULTIMATE.start_main_~x~4 78) (<= 78 ULTIMATE.start_main_~x~4)), 112930#(and (<= ULTIMATE.start_main_~x~4 77) (<= 77 ULTIMATE.start_main_~x~4)), 112933#(and (<= ULTIMATE.start_main_~x~4 80) (<= 80 ULTIMATE.start_main_~x~4)), 112932#(and (<= 79 ULTIMATE.start_main_~x~4) (<= ULTIMATE.start_main_~x~4 79)), 112935#(and (<= ULTIMATE.start_main_~x~4 82) (<= 82 ULTIMATE.start_main_~x~4)), 112934#(and (<= ULTIMATE.start_main_~x~4 81) (<= 81 ULTIMATE.start_main_~x~4)), 112937#(and (<= ULTIMATE.start_main_~x~4 84) (<= 84 ULTIMATE.start_main_~x~4)), 112936#(and (<= 83 ULTIMATE.start_main_~x~4) (<= ULTIMATE.start_main_~x~4 83)), 112939#(and (<= 86 ULTIMATE.start_main_~x~4) (<= ULTIMATE.start_main_~x~4 86)), 112938#(and (<= 85 ULTIMATE.start_main_~x~4) (<= ULTIMATE.start_main_~x~4 85)), 112941#(and (<= 88 ULTIMATE.start_main_~x~4) (<= ULTIMATE.start_main_~x~4 88)), 112940#(and (<= ULTIMATE.start_main_~x~4 87) (<= 87 ULTIMATE.start_main_~x~4)), 112943#(and (<= ULTIMATE.start_main_~x~4 90) (<= 90 ULTIMATE.start_main_~x~4)), 112942#(and (<= ULTIMATE.start_main_~x~4 89) (<= 89 ULTIMATE.start_main_~x~4)), 112945#(and (<= ULTIMATE.start_main_~x~4 92) (<= 92 ULTIMATE.start_main_~x~4)), 112944#(and (<= ULTIMATE.start_main_~x~4 91) (<= 91 ULTIMATE.start_main_~x~4)), 112947#(and (<= ULTIMATE.start_main_~x~4 94) (<= 94 ULTIMATE.start_main_~x~4)), 112946#(and (<= ULTIMATE.start_main_~x~4 93) (<= 93 ULTIMATE.start_main_~x~4)), 112949#(and (<= ULTIMATE.start_main_~x~4 96) (<= 96 ULTIMATE.start_main_~x~4)), 112948#(and (<= 95 ULTIMATE.start_main_~x~4) (<= ULTIMATE.start_main_~x~4 95)), 112951#(and (<= ULTIMATE.start_main_~x~4 98) (<= 98 ULTIMATE.start_main_~x~4)), 112950#(and (<= 97 ULTIMATE.start_main_~x~4) (<= ULTIMATE.start_main_~x~4 97)), 112953#(and (<= ULTIMATE.start_main_~x~4 100) (<= 100 ULTIMATE.start_main_~x~4)), 112952#(and (<= 99 ULTIMATE.start_main_~x~4) (<= ULTIMATE.start_main_~x~4 99)), 112955#(and (<= 102 ULTIMATE.start_main_~x~4) (<= ULTIMATE.start_main_~x~4 102)), 112954#(and (<= ULTIMATE.start_main_~x~4 101) (<= 101 ULTIMATE.start_main_~x~4)), 112957#(and (<= ULTIMATE.start_main_~x~4 104) (<= 104 ULTIMATE.start_main_~x~4)), 112956#(and (<= 103 ULTIMATE.start_main_~x~4) (<= ULTIMATE.start_main_~x~4 103)), 112959#(and (<= 106 ULTIMATE.start_main_~x~4) (<= ULTIMATE.start_main_~x~4 106)), 112958#(and (<= 105 ULTIMATE.start_main_~x~4) (<= ULTIMATE.start_main_~x~4 105)), 112961#(and (<= 108 ULTIMATE.start_main_~x~4) (<= ULTIMATE.start_main_~x~4 108)), 112960#(and (<= 107 ULTIMATE.start_main_~x~4) (<= ULTIMATE.start_main_~x~4 107)), 112963#(and (<= 110 ULTIMATE.start_main_~x~4) (<= ULTIMATE.start_main_~x~4 110)), 112962#(and (<= ULTIMATE.start_main_~x~4 109) (<= 109 ULTIMATE.start_main_~x~4)), 112965#(and (<= ULTIMATE.start_main_~x~4 112) (<= 112 ULTIMATE.start_main_~x~4)), 112964#(and (<= ULTIMATE.start_main_~x~4 111) (<= 111 ULTIMATE.start_main_~x~4)), 112967#(and (<= ULTIMATE.start_main_~x~4 114) (<= 114 ULTIMATE.start_main_~x~4)), 112966#(and (<= 113 ULTIMATE.start_main_~x~4) (<= ULTIMATE.start_main_~x~4 113)), 112969#(and (<= ULTIMATE.start_main_~x~4 116) (<= 116 ULTIMATE.start_main_~x~4)), 112968#(and (<= ULTIMATE.start_main_~x~4 115) (<= 115 ULTIMATE.start_main_~x~4)), 112971#(and (<= 118 ULTIMATE.start_main_~x~4) (<= ULTIMATE.start_main_~x~4 118)), 112970#(and (<= ULTIMATE.start_main_~x~4 117) (<= 117 ULTIMATE.start_main_~x~4)), 112973#(and (<= 120 ULTIMATE.start_main_~x~4) (<= ULTIMATE.start_main_~x~4 120)), 112972#(and (<= 119 ULTIMATE.start_main_~x~4) (<= ULTIMATE.start_main_~x~4 119)), 112975#(and (<= 122 ULTIMATE.start_main_~x~4) (<= ULTIMATE.start_main_~x~4 122)), 112974#(and (<= 121 ULTIMATE.start_main_~x~4) (<= ULTIMATE.start_main_~x~4 121)), 112977#(and (<= ULTIMATE.start_main_~x~4 124) (<= 124 ULTIMATE.start_main_~x~4)), 112976#(and (<= ULTIMATE.start_main_~x~4 123) (<= 123 ULTIMATE.start_main_~x~4)), 112979#(and (<= 126 ULTIMATE.start_main_~x~4) (<= ULTIMATE.start_main_~x~4 126)), 112978#(and (<= 125 ULTIMATE.start_main_~x~4) (<= ULTIMATE.start_main_~x~4 125)), 112981#(and (<= 128 ULTIMATE.start_main_~x~4) (<= ULTIMATE.start_main_~x~4 128)), 112980#(and (<= ULTIMATE.start_main_~x~4 127) (<= 127 ULTIMATE.start_main_~x~4)), 112983#(and (<= ULTIMATE.start_main_~x~4 130) (<= 130 ULTIMATE.start_main_~x~4)), 112982#(and (<= 129 ULTIMATE.start_main_~x~4) (<= ULTIMATE.start_main_~x~4 129)), 112985#(and (<= 132 ULTIMATE.start_main_~x~4) (<= ULTIMATE.start_main_~x~4 132)), 112984#(and (<= 131 ULTIMATE.start_main_~x~4) (<= ULTIMATE.start_main_~x~4 131)), 112987#(and (<= 134 ULTIMATE.start_main_~x~4) (<= ULTIMATE.start_main_~x~4 134)), 112986#(and (<= ULTIMATE.start_main_~x~4 133) (<= 133 ULTIMATE.start_main_~x~4)), 112989#(and (<= ULTIMATE.start_main_~x~4 136) (<= 136 ULTIMATE.start_main_~x~4)), 112988#(and (<= 135 ULTIMATE.start_main_~x~4) (<= ULTIMATE.start_main_~x~4 135)), 112991#(and (<= 138 ULTIMATE.start_main_~x~4) (<= ULTIMATE.start_main_~x~4 138)), 112990#(and (<= 137 ULTIMATE.start_main_~x~4) (<= ULTIMATE.start_main_~x~4 137)), 112993#(and (<= 140 ULTIMATE.start_main_~x~4) (<= ULTIMATE.start_main_~x~4 140)), 112992#(and (<= 139 ULTIMATE.start_main_~x~4) (<= ULTIMATE.start_main_~x~4 139)), 112995#(and (<= 142 ULTIMATE.start_main_~x~4) (<= ULTIMATE.start_main_~x~4 142)), 112994#(and (<= 141 ULTIMATE.start_main_~x~4) (<= ULTIMATE.start_main_~x~4 141)), 112997#(and (<= ULTIMATE.start_main_~x~4 144) (<= 144 ULTIMATE.start_main_~x~4)), 112996#(and (<= ULTIMATE.start_main_~x~4 143) (<= 143 ULTIMATE.start_main_~x~4)), 112999#(and (<= ULTIMATE.start_main_~x~4 146) (<= 146 ULTIMATE.start_main_~x~4)), 112998#(and (<= ULTIMATE.start_main_~x~4 145) (<= 145 ULTIMATE.start_main_~x~4)), 113001#(and (<= ULTIMATE.start_main_~x~4 148) (<= 148 ULTIMATE.start_main_~x~4)), 113000#(and (<= 147 ULTIMATE.start_main_~x~4) (<= ULTIMATE.start_main_~x~4 147)), 113003#(and (<= 150 ULTIMATE.start_main_~x~4) (<= ULTIMATE.start_main_~x~4 150)), 113002#(and (<= 149 ULTIMATE.start_main_~x~4) (<= ULTIMATE.start_main_~x~4 149)), 113005#(and (<= 152 ULTIMATE.start_main_~x~4) (<= ULTIMATE.start_main_~x~4 152)), 113004#(and (<= ULTIMATE.start_main_~x~4 151) (<= 151 ULTIMATE.start_main_~x~4)), 113007#(and (<= ULTIMATE.start_main_~x~4 154) (<= 154 ULTIMATE.start_main_~x~4)), 113006#(and (<= ULTIMATE.start_main_~x~4 153) (<= 153 ULTIMATE.start_main_~x~4)), 113008#(and (<= 155 ULTIMATE.start_main_~x~4) (<= ULTIMATE.start_main_~x~4 155)), 112851#true, 112853#(and (<= ULTIMATE.start_main_~x~4 0) (<= 0 ULTIMATE.start_main_~x~4)), 112852#false, 112855#(and (<= 2 ULTIMATE.start_main_~x~4) (<= ULTIMATE.start_main_~x~4 2)), 112854#(and (<= ULTIMATE.start_main_~x~4 1) (<= 1 ULTIMATE.start_main_~x~4)), 112857#(and (<= ULTIMATE.start_main_~x~4 4) (<= 4 ULTIMATE.start_main_~x~4)), 112856#(and (<= 3 ULTIMATE.start_main_~x~4) (<= ULTIMATE.start_main_~x~4 3)), 112859#(and (<= 6 ULTIMATE.start_main_~x~4) (<= ULTIMATE.start_main_~x~4 6)), 112858#(and (<= ULTIMATE.start_main_~x~4 5) (<= 5 ULTIMATE.start_main_~x~4)), 112861#(and (<= ULTIMATE.start_main_~x~4 8) (<= 8 ULTIMATE.start_main_~x~4)), 112860#(and (<= ULTIMATE.start_main_~x~4 7) (<= 7 ULTIMATE.start_main_~x~4)), 112863#(and (<= ULTIMATE.start_main_~x~4 10) (<= 10 ULTIMATE.start_main_~x~4)), 112862#(and (<= 9 ULTIMATE.start_main_~x~4) (<= ULTIMATE.start_main_~x~4 9)), 112865#(and (<= 12 ULTIMATE.start_main_~x~4) (<= ULTIMATE.start_main_~x~4 12)), 112864#(and (<= ULTIMATE.start_main_~x~4 11) (<= 11 ULTIMATE.start_main_~x~4)), 112867#(and (<= 14 ULTIMATE.start_main_~x~4) (<= ULTIMATE.start_main_~x~4 14)), 112866#(and (<= ULTIMATE.start_main_~x~4 13) (<= 13 ULTIMATE.start_main_~x~4)), 112869#(and (<= ULTIMATE.start_main_~x~4 16) (<= 16 ULTIMATE.start_main_~x~4)), 112868#(and (<= 15 ULTIMATE.start_main_~x~4) (<= ULTIMATE.start_main_~x~4 15)), 112871#(and (<= 18 ULTIMATE.start_main_~x~4) (<= ULTIMATE.start_main_~x~4 18)), 112870#(and (<= ULTIMATE.start_main_~x~4 17) (<= 17 ULTIMATE.start_main_~x~4)), 112873#(and (<= 20 ULTIMATE.start_main_~x~4) (<= ULTIMATE.start_main_~x~4 20)), 112872#(and (<= 19 ULTIMATE.start_main_~x~4) (<= ULTIMATE.start_main_~x~4 19)), 112875#(and (<= ULTIMATE.start_main_~x~4 22) (<= 22 ULTIMATE.start_main_~x~4)), 112874#(and (<= ULTIMATE.start_main_~x~4 21) (<= 21 ULTIMATE.start_main_~x~4)), 112877#(and (<= ULTIMATE.start_main_~x~4 24) (<= 24 ULTIMATE.start_main_~x~4)), 112876#(and (<= ULTIMATE.start_main_~x~4 23) (<= 23 ULTIMATE.start_main_~x~4)), 112879#(and (<= ULTIMATE.start_main_~x~4 26) (<= 26 ULTIMATE.start_main_~x~4)), 112878#(and (<= ULTIMATE.start_main_~x~4 25) (<= 25 ULTIMATE.start_main_~x~4)), 112881#(and (<= ULTIMATE.start_main_~x~4 28) (<= 28 ULTIMATE.start_main_~x~4)), 112880#(and (<= ULTIMATE.start_main_~x~4 27) (<= 27 ULTIMATE.start_main_~x~4)), 112883#(and (<= ULTIMATE.start_main_~x~4 30) (<= 30 ULTIMATE.start_main_~x~4)), 112882#(and (<= 29 ULTIMATE.start_main_~x~4) (<= ULTIMATE.start_main_~x~4 29)), 112885#(and (<= ULTIMATE.start_main_~x~4 32) (<= 32 ULTIMATE.start_main_~x~4)), 112884#(and (<= ULTIMATE.start_main_~x~4 31) (<= 31 ULTIMATE.start_main_~x~4)), 112887#(and (<= 34 ULTIMATE.start_main_~x~4) (<= ULTIMATE.start_main_~x~4 34)), 112886#(and (<= ULTIMATE.start_main_~x~4 33) (<= 33 ULTIMATE.start_main_~x~4)), 112889#(and (<= 36 ULTIMATE.start_main_~x~4) (<= ULTIMATE.start_main_~x~4 36)), 112888#(and (<= ULTIMATE.start_main_~x~4 35) (<= 35 ULTIMATE.start_main_~x~4)), 112891#(and (<= 38 ULTIMATE.start_main_~x~4) (<= ULTIMATE.start_main_~x~4 38)), 112890#(and (<= ULTIMATE.start_main_~x~4 37) (<= 37 ULTIMATE.start_main_~x~4)), 112893#(and (<= ULTIMATE.start_main_~x~4 40) (<= 40 ULTIMATE.start_main_~x~4)), 112892#(and (<= ULTIMATE.start_main_~x~4 39) (<= 39 ULTIMATE.start_main_~x~4)), 112895#(and (<= ULTIMATE.start_main_~x~4 42) (<= 42 ULTIMATE.start_main_~x~4)), 112894#(and (<= ULTIMATE.start_main_~x~4 41) (<= 41 ULTIMATE.start_main_~x~4))] [2018-07-23 13:52:59,019 INFO L134 CoverageAnalysis]: Checked inductivity of 24180 backedges. 0 proven. 24180 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-07-23 13:52:59,019 INFO L450 AbstractCegarLoop]: Interpolant automaton has 158 states [2018-07-23 13:52:59,019 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 158 interpolants. [2018-07-23 13:52:59,020 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=313, Invalid=24493, Unknown=0, NotChecked=0, Total=24806 [2018-07-23 13:52:59,020 INFO L87 Difference]: Start difference. First operand 315 states and 315 transitions. Second operand 158 states. [2018-07-23 13:53:00,721 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-07-23 13:53:00,721 INFO L93 Difference]: Finished difference Result 319 states and 319 transitions. [2018-07-23 13:53:00,722 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 158 states. [2018-07-23 13:53:00,722 INFO L78 Accepts]: Start accepts. Automaton has 158 states. Word has length 314 [2018-07-23 13:53:00,722 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-07-23 13:53:00,722 INFO L225 Difference]: With dead ends: 319 [2018-07-23 13:53:00,723 INFO L226 Difference]: Without dead ends: 317 [2018-07-23 13:53:00,723 INFO L575 BasicCegarLoop]: 0 DeclaredPredicates, 157 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 156 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 1.0s TimeCoverageRelationStatistics Valid=313, Invalid=24493, Unknown=0, NotChecked=0, Total=24806 [2018-07-23 13:53:00,724 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 317 states. [2018-07-23 13:53:00,731 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 317 to 317. [2018-07-23 13:53:00,731 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 317 states. [2018-07-23 13:53:00,732 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 317 states to 317 states and 317 transitions. [2018-07-23 13:53:00,732 INFO L78 Accepts]: Start accepts. Automaton has 317 states and 317 transitions. Word has length 314 [2018-07-23 13:53:00,732 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-07-23 13:53:00,732 INFO L471 AbstractCegarLoop]: Abstraction has 317 states and 317 transitions. [2018-07-23 13:53:00,732 INFO L472 AbstractCegarLoop]: Interpolant automaton has 158 states. [2018-07-23 13:53:00,732 INFO L276 IsEmpty]: Start isEmpty. Operand 317 states and 317 transitions. [2018-07-23 13:53:00,733 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 317 [2018-07-23 13:53:00,733 INFO L349 BasicCegarLoop]: Found error trace [2018-07-23 13:53:00,733 INFO L357 BasicCegarLoop]: trace histogram [157, 156, 1, 1, 1] [2018-07-23 13:53:00,733 INFO L414 AbstractCegarLoop]: === Iteration 157 === [ULTIMATE.startErr0AssertViolationASSERT]=== [2018-07-23 13:53:00,734 INFO L82 PathProgramCache]: Analyzing trace with hash 554132511, now seen corresponding path program 156 times [2018-07-23 13:53:00,734 INFO L69 tionRefinementEngine]: Using refinement strategy FixedRefinementStrategy [2018-07-23 13:53:01,131 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-07-23 13:53:02,398 INFO L134 CoverageAnalysis]: Checked inductivity of 24492 backedges. 0 proven. 24492 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-07-23 13:53:02,398 INFO L309 seRefinementStrategy]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2018-07-23 13:53:02,398 INFO L324 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [158] total 158 [2018-07-23 13:53:02,398 INFO L142 lantAutomatonBuilder]: Constructing canonical interpolant automaton, with selfloop in false state [2018-07-23 13:53:02,399 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-07-23 13:53:02,399 INFO L185 omatonBuilderFactory]: Interpolants [114433#(and (<= 150 ULTIMATE.start_main_~x~4) (<= ULTIMATE.start_main_~x~4 150)), 114432#(and (<= 149 ULTIMATE.start_main_~x~4) (<= ULTIMATE.start_main_~x~4 149)), 114435#(and (<= 152 ULTIMATE.start_main_~x~4) (<= ULTIMATE.start_main_~x~4 152)), 114434#(and (<= ULTIMATE.start_main_~x~4 151) (<= 151 ULTIMATE.start_main_~x~4)), 114437#(and (<= ULTIMATE.start_main_~x~4 154) (<= 154 ULTIMATE.start_main_~x~4)), 114436#(and (<= ULTIMATE.start_main_~x~4 153) (<= 153 ULTIMATE.start_main_~x~4)), 114439#(and (<= ULTIMATE.start_main_~x~4 156) (<= 156 ULTIMATE.start_main_~x~4)), 114438#(and (<= 155 ULTIMATE.start_main_~x~4) (<= ULTIMATE.start_main_~x~4 155)), 114281#true, 114283#(and (<= ULTIMATE.start_main_~x~4 0) (<= 0 ULTIMATE.start_main_~x~4)), 114282#false, 114285#(and (<= 2 ULTIMATE.start_main_~x~4) (<= ULTIMATE.start_main_~x~4 2)), 114284#(and (<= ULTIMATE.start_main_~x~4 1) (<= 1 ULTIMATE.start_main_~x~4)), 114287#(and (<= ULTIMATE.start_main_~x~4 4) (<= 4 ULTIMATE.start_main_~x~4)), 114286#(and (<= 3 ULTIMATE.start_main_~x~4) (<= ULTIMATE.start_main_~x~4 3)), 114289#(and (<= 6 ULTIMATE.start_main_~x~4) (<= ULTIMATE.start_main_~x~4 6)), 114288#(and (<= ULTIMATE.start_main_~x~4 5) (<= 5 ULTIMATE.start_main_~x~4)), 114291#(and (<= ULTIMATE.start_main_~x~4 8) (<= 8 ULTIMATE.start_main_~x~4)), 114290#(and (<= ULTIMATE.start_main_~x~4 7) (<= 7 ULTIMATE.start_main_~x~4)), 114293#(and (<= ULTIMATE.start_main_~x~4 10) (<= 10 ULTIMATE.start_main_~x~4)), 114292#(and (<= 9 ULTIMATE.start_main_~x~4) (<= ULTIMATE.start_main_~x~4 9)), 114295#(and (<= 12 ULTIMATE.start_main_~x~4) (<= ULTIMATE.start_main_~x~4 12)), 114294#(and (<= ULTIMATE.start_main_~x~4 11) (<= 11 ULTIMATE.start_main_~x~4)), 114297#(and (<= 14 ULTIMATE.start_main_~x~4) (<= ULTIMATE.start_main_~x~4 14)), 114296#(and (<= ULTIMATE.start_main_~x~4 13) (<= 13 ULTIMATE.start_main_~x~4)), 114299#(and (<= ULTIMATE.start_main_~x~4 16) (<= 16 ULTIMATE.start_main_~x~4)), 114298#(and (<= 15 ULTIMATE.start_main_~x~4) (<= ULTIMATE.start_main_~x~4 15)), 114301#(and (<= 18 ULTIMATE.start_main_~x~4) (<= ULTIMATE.start_main_~x~4 18)), 114300#(and (<= ULTIMATE.start_main_~x~4 17) (<= 17 ULTIMATE.start_main_~x~4)), 114303#(and (<= 20 ULTIMATE.start_main_~x~4) (<= ULTIMATE.start_main_~x~4 20)), 114302#(and (<= 19 ULTIMATE.start_main_~x~4) (<= ULTIMATE.start_main_~x~4 19)), 114305#(and (<= ULTIMATE.start_main_~x~4 22) (<= 22 ULTIMATE.start_main_~x~4)), 114304#(and (<= ULTIMATE.start_main_~x~4 21) (<= 21 ULTIMATE.start_main_~x~4)), 114307#(and (<= ULTIMATE.start_main_~x~4 24) (<= 24 ULTIMATE.start_main_~x~4)), 114306#(and (<= ULTIMATE.start_main_~x~4 23) (<= 23 ULTIMATE.start_main_~x~4)), 114309#(and (<= ULTIMATE.start_main_~x~4 26) (<= 26 ULTIMATE.start_main_~x~4)), 114308#(and (<= ULTIMATE.start_main_~x~4 25) (<= 25 ULTIMATE.start_main_~x~4)), 114311#(and (<= ULTIMATE.start_main_~x~4 28) (<= 28 ULTIMATE.start_main_~x~4)), 114310#(and (<= ULTIMATE.start_main_~x~4 27) (<= 27 ULTIMATE.start_main_~x~4)), 114313#(and (<= ULTIMATE.start_main_~x~4 30) (<= 30 ULTIMATE.start_main_~x~4)), 114312#(and (<= 29 ULTIMATE.start_main_~x~4) (<= ULTIMATE.start_main_~x~4 29)), 114315#(and (<= ULTIMATE.start_main_~x~4 32) (<= 32 ULTIMATE.start_main_~x~4)), 114314#(and (<= ULTIMATE.start_main_~x~4 31) (<= 31 ULTIMATE.start_main_~x~4)), 114317#(and (<= 34 ULTIMATE.start_main_~x~4) (<= ULTIMATE.start_main_~x~4 34)), 114316#(and (<= ULTIMATE.start_main_~x~4 33) (<= 33 ULTIMATE.start_main_~x~4)), 114319#(and (<= 36 ULTIMATE.start_main_~x~4) (<= ULTIMATE.start_main_~x~4 36)), 114318#(and (<= ULTIMATE.start_main_~x~4 35) (<= 35 ULTIMATE.start_main_~x~4)), 114321#(and (<= 38 ULTIMATE.start_main_~x~4) (<= ULTIMATE.start_main_~x~4 38)), 114320#(and (<= ULTIMATE.start_main_~x~4 37) (<= 37 ULTIMATE.start_main_~x~4)), 114323#(and (<= ULTIMATE.start_main_~x~4 40) (<= 40 ULTIMATE.start_main_~x~4)), 114322#(and (<= ULTIMATE.start_main_~x~4 39) (<= 39 ULTIMATE.start_main_~x~4)), 114325#(and (<= ULTIMATE.start_main_~x~4 42) (<= 42 ULTIMATE.start_main_~x~4)), 114324#(and (<= ULTIMATE.start_main_~x~4 41) (<= 41 ULTIMATE.start_main_~x~4)), 114327#(and (<= 44 ULTIMATE.start_main_~x~4) (<= ULTIMATE.start_main_~x~4 44)), 114326#(and (<= ULTIMATE.start_main_~x~4 43) (<= 43 ULTIMATE.start_main_~x~4)), 114329#(and (<= ULTIMATE.start_main_~x~4 46) (<= 46 ULTIMATE.start_main_~x~4)), 114328#(and (<= 45 ULTIMATE.start_main_~x~4) (<= ULTIMATE.start_main_~x~4 45)), 114331#(and (<= 48 ULTIMATE.start_main_~x~4) (<= ULTIMATE.start_main_~x~4 48)), 114330#(and (<= 47 ULTIMATE.start_main_~x~4) (<= ULTIMATE.start_main_~x~4 47)), 114333#(and (<= ULTIMATE.start_main_~x~4 50) (<= 50 ULTIMATE.start_main_~x~4)), 114332#(and (<= 49 ULTIMATE.start_main_~x~4) (<= ULTIMATE.start_main_~x~4 49)), 114335#(and (<= ULTIMATE.start_main_~x~4 52) (<= 52 ULTIMATE.start_main_~x~4)), 114334#(and (<= 51 ULTIMATE.start_main_~x~4) (<= ULTIMATE.start_main_~x~4 51)), 114337#(and (<= ULTIMATE.start_main_~x~4 54) (<= 54 ULTIMATE.start_main_~x~4)), 114336#(and (<= 53 ULTIMATE.start_main_~x~4) (<= ULTIMATE.start_main_~x~4 53)), 114339#(and (<= 56 ULTIMATE.start_main_~x~4) (<= ULTIMATE.start_main_~x~4 56)), 114338#(and (<= 55 ULTIMATE.start_main_~x~4) (<= ULTIMATE.start_main_~x~4 55)), 114341#(and (<= 58 ULTIMATE.start_main_~x~4) (<= ULTIMATE.start_main_~x~4 58)), 114340#(and (<= 57 ULTIMATE.start_main_~x~4) (<= ULTIMATE.start_main_~x~4 57)), 114343#(and (<= 60 ULTIMATE.start_main_~x~4) (<= ULTIMATE.start_main_~x~4 60)), 114342#(and (<= ULTIMATE.start_main_~x~4 59) (<= 59 ULTIMATE.start_main_~x~4)), 114345#(and (<= ULTIMATE.start_main_~x~4 62) (<= 62 ULTIMATE.start_main_~x~4)), 114344#(and (<= 61 ULTIMATE.start_main_~x~4) (<= ULTIMATE.start_main_~x~4 61)), 114347#(and (<= ULTIMATE.start_main_~x~4 64) (<= 64 ULTIMATE.start_main_~x~4)), 114346#(and (<= 63 ULTIMATE.start_main_~x~4) (<= ULTIMATE.start_main_~x~4 63)), 114349#(and (<= 66 ULTIMATE.start_main_~x~4) (<= ULTIMATE.start_main_~x~4 66)), 114348#(and (<= 65 ULTIMATE.start_main_~x~4) (<= ULTIMATE.start_main_~x~4 65)), 114351#(and (<= ULTIMATE.start_main_~x~4 68) (<= 68 ULTIMATE.start_main_~x~4)), 114350#(and (<= 67 ULTIMATE.start_main_~x~4) (<= ULTIMATE.start_main_~x~4 67)), 114353#(and (<= ULTIMATE.start_main_~x~4 70) (<= 70 ULTIMATE.start_main_~x~4)), 114352#(and (<= 69 ULTIMATE.start_main_~x~4) (<= ULTIMATE.start_main_~x~4 69)), 114355#(and (<= 72 ULTIMATE.start_main_~x~4) (<= ULTIMATE.start_main_~x~4 72)), 114354#(and (<= 71 ULTIMATE.start_main_~x~4) (<= ULTIMATE.start_main_~x~4 71)), 114357#(and (<= 74 ULTIMATE.start_main_~x~4) (<= ULTIMATE.start_main_~x~4 74)), 114356#(and (<= ULTIMATE.start_main_~x~4 73) (<= 73 ULTIMATE.start_main_~x~4)), 114359#(and (<= ULTIMATE.start_main_~x~4 76) (<= 76 ULTIMATE.start_main_~x~4)), 114358#(and (<= ULTIMATE.start_main_~x~4 75) (<= 75 ULTIMATE.start_main_~x~4)), 114361#(and (<= ULTIMATE.start_main_~x~4 78) (<= 78 ULTIMATE.start_main_~x~4)), 114360#(and (<= ULTIMATE.start_main_~x~4 77) (<= 77 ULTIMATE.start_main_~x~4)), 114363#(and (<= ULTIMATE.start_main_~x~4 80) (<= 80 ULTIMATE.start_main_~x~4)), 114362#(and (<= 79 ULTIMATE.start_main_~x~4) (<= ULTIMATE.start_main_~x~4 79)), 114365#(and (<= ULTIMATE.start_main_~x~4 82) (<= 82 ULTIMATE.start_main_~x~4)), 114364#(and (<= ULTIMATE.start_main_~x~4 81) (<= 81 ULTIMATE.start_main_~x~4)), 114367#(and (<= ULTIMATE.start_main_~x~4 84) (<= 84 ULTIMATE.start_main_~x~4)), 114366#(and (<= 83 ULTIMATE.start_main_~x~4) (<= ULTIMATE.start_main_~x~4 83)), 114369#(and (<= 86 ULTIMATE.start_main_~x~4) (<= ULTIMATE.start_main_~x~4 86)), 114368#(and (<= 85 ULTIMATE.start_main_~x~4) (<= ULTIMATE.start_main_~x~4 85)), 114371#(and (<= 88 ULTIMATE.start_main_~x~4) (<= ULTIMATE.start_main_~x~4 88)), 114370#(and (<= ULTIMATE.start_main_~x~4 87) (<= 87 ULTIMATE.start_main_~x~4)), 114373#(and (<= ULTIMATE.start_main_~x~4 90) (<= 90 ULTIMATE.start_main_~x~4)), 114372#(and (<= ULTIMATE.start_main_~x~4 89) (<= 89 ULTIMATE.start_main_~x~4)), 114375#(and (<= ULTIMATE.start_main_~x~4 92) (<= 92 ULTIMATE.start_main_~x~4)), 114374#(and (<= ULTIMATE.start_main_~x~4 91) (<= 91 ULTIMATE.start_main_~x~4)), 114377#(and (<= ULTIMATE.start_main_~x~4 94) (<= 94 ULTIMATE.start_main_~x~4)), 114376#(and (<= ULTIMATE.start_main_~x~4 93) (<= 93 ULTIMATE.start_main_~x~4)), 114379#(and (<= ULTIMATE.start_main_~x~4 96) (<= 96 ULTIMATE.start_main_~x~4)), 114378#(and (<= 95 ULTIMATE.start_main_~x~4) (<= ULTIMATE.start_main_~x~4 95)), 114381#(and (<= ULTIMATE.start_main_~x~4 98) (<= 98 ULTIMATE.start_main_~x~4)), 114380#(and (<= 97 ULTIMATE.start_main_~x~4) (<= ULTIMATE.start_main_~x~4 97)), 114383#(and (<= ULTIMATE.start_main_~x~4 100) (<= 100 ULTIMATE.start_main_~x~4)), 114382#(and (<= 99 ULTIMATE.start_main_~x~4) (<= ULTIMATE.start_main_~x~4 99)), 114385#(and (<= 102 ULTIMATE.start_main_~x~4) (<= ULTIMATE.start_main_~x~4 102)), 114384#(and (<= ULTIMATE.start_main_~x~4 101) (<= 101 ULTIMATE.start_main_~x~4)), 114387#(and (<= ULTIMATE.start_main_~x~4 104) (<= 104 ULTIMATE.start_main_~x~4)), 114386#(and (<= 103 ULTIMATE.start_main_~x~4) (<= ULTIMATE.start_main_~x~4 103)), 114389#(and (<= 106 ULTIMATE.start_main_~x~4) (<= ULTIMATE.start_main_~x~4 106)), 114388#(and (<= 105 ULTIMATE.start_main_~x~4) (<= ULTIMATE.start_main_~x~4 105)), 114391#(and (<= 108 ULTIMATE.start_main_~x~4) (<= ULTIMATE.start_main_~x~4 108)), 114390#(and (<= 107 ULTIMATE.start_main_~x~4) (<= ULTIMATE.start_main_~x~4 107)), 114393#(and (<= 110 ULTIMATE.start_main_~x~4) (<= ULTIMATE.start_main_~x~4 110)), 114392#(and (<= ULTIMATE.start_main_~x~4 109) (<= 109 ULTIMATE.start_main_~x~4)), 114395#(and (<= ULTIMATE.start_main_~x~4 112) (<= 112 ULTIMATE.start_main_~x~4)), 114394#(and (<= ULTIMATE.start_main_~x~4 111) (<= 111 ULTIMATE.start_main_~x~4)), 114397#(and (<= ULTIMATE.start_main_~x~4 114) (<= 114 ULTIMATE.start_main_~x~4)), 114396#(and (<= 113 ULTIMATE.start_main_~x~4) (<= ULTIMATE.start_main_~x~4 113)), 114399#(and (<= ULTIMATE.start_main_~x~4 116) (<= 116 ULTIMATE.start_main_~x~4)), 114398#(and (<= ULTIMATE.start_main_~x~4 115) (<= 115 ULTIMATE.start_main_~x~4)), 114401#(and (<= 118 ULTIMATE.start_main_~x~4) (<= ULTIMATE.start_main_~x~4 118)), 114400#(and (<= ULTIMATE.start_main_~x~4 117) (<= 117 ULTIMATE.start_main_~x~4)), 114403#(and (<= 120 ULTIMATE.start_main_~x~4) (<= ULTIMATE.start_main_~x~4 120)), 114402#(and (<= 119 ULTIMATE.start_main_~x~4) (<= ULTIMATE.start_main_~x~4 119)), 114405#(and (<= 122 ULTIMATE.start_main_~x~4) (<= ULTIMATE.start_main_~x~4 122)), 114404#(and (<= 121 ULTIMATE.start_main_~x~4) (<= ULTIMATE.start_main_~x~4 121)), 114407#(and (<= ULTIMATE.start_main_~x~4 124) (<= 124 ULTIMATE.start_main_~x~4)), 114406#(and (<= ULTIMATE.start_main_~x~4 123) (<= 123 ULTIMATE.start_main_~x~4)), 114409#(and (<= 126 ULTIMATE.start_main_~x~4) (<= ULTIMATE.start_main_~x~4 126)), 114408#(and (<= 125 ULTIMATE.start_main_~x~4) (<= ULTIMATE.start_main_~x~4 125)), 114411#(and (<= 128 ULTIMATE.start_main_~x~4) (<= ULTIMATE.start_main_~x~4 128)), 114410#(and (<= ULTIMATE.start_main_~x~4 127) (<= 127 ULTIMATE.start_main_~x~4)), 114413#(and (<= ULTIMATE.start_main_~x~4 130) (<= 130 ULTIMATE.start_main_~x~4)), 114412#(and (<= 129 ULTIMATE.start_main_~x~4) (<= ULTIMATE.start_main_~x~4 129)), 114415#(and (<= 132 ULTIMATE.start_main_~x~4) (<= ULTIMATE.start_main_~x~4 132)), 114414#(and (<= 131 ULTIMATE.start_main_~x~4) (<= ULTIMATE.start_main_~x~4 131)), 114417#(and (<= 134 ULTIMATE.start_main_~x~4) (<= ULTIMATE.start_main_~x~4 134)), 114416#(and (<= ULTIMATE.start_main_~x~4 133) (<= 133 ULTIMATE.start_main_~x~4)), 114419#(and (<= ULTIMATE.start_main_~x~4 136) (<= 136 ULTIMATE.start_main_~x~4)), 114418#(and (<= 135 ULTIMATE.start_main_~x~4) (<= ULTIMATE.start_main_~x~4 135)), 114421#(and (<= 138 ULTIMATE.start_main_~x~4) (<= ULTIMATE.start_main_~x~4 138)), 114420#(and (<= 137 ULTIMATE.start_main_~x~4) (<= ULTIMATE.start_main_~x~4 137)), 114423#(and (<= 140 ULTIMATE.start_main_~x~4) (<= ULTIMATE.start_main_~x~4 140)), 114422#(and (<= 139 ULTIMATE.start_main_~x~4) (<= ULTIMATE.start_main_~x~4 139)), 114425#(and (<= 142 ULTIMATE.start_main_~x~4) (<= ULTIMATE.start_main_~x~4 142)), 114424#(and (<= 141 ULTIMATE.start_main_~x~4) (<= ULTIMATE.start_main_~x~4 141)), 114427#(and (<= ULTIMATE.start_main_~x~4 144) (<= 144 ULTIMATE.start_main_~x~4)), 114426#(and (<= ULTIMATE.start_main_~x~4 143) (<= 143 ULTIMATE.start_main_~x~4)), 114429#(and (<= ULTIMATE.start_main_~x~4 146) (<= 146 ULTIMATE.start_main_~x~4)), 114428#(and (<= ULTIMATE.start_main_~x~4 145) (<= 145 ULTIMATE.start_main_~x~4)), 114431#(and (<= ULTIMATE.start_main_~x~4 148) (<= 148 ULTIMATE.start_main_~x~4)), 114430#(and (<= 147 ULTIMATE.start_main_~x~4) (<= ULTIMATE.start_main_~x~4 147))] [2018-07-23 13:53:02,400 INFO L134 CoverageAnalysis]: Checked inductivity of 24492 backedges. 0 proven. 24492 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-07-23 13:53:02,400 INFO L450 AbstractCegarLoop]: Interpolant automaton has 159 states [2018-07-23 13:53:02,401 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 159 interpolants. [2018-07-23 13:53:02,402 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=315, Invalid=24807, Unknown=0, NotChecked=0, Total=25122 [2018-07-23 13:53:02,402 INFO L87 Difference]: Start difference. First operand 317 states and 317 transitions. Second operand 159 states. [2018-07-23 13:53:04,161 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-07-23 13:53:04,161 INFO L93 Difference]: Finished difference Result 321 states and 321 transitions. [2018-07-23 13:53:04,162 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 159 states. [2018-07-23 13:53:04,162 INFO L78 Accepts]: Start accepts. Automaton has 159 states. Word has length 316 [2018-07-23 13:53:04,162 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-07-23 13:53:04,162 INFO L225 Difference]: With dead ends: 321 [2018-07-23 13:53:04,162 INFO L226 Difference]: Without dead ends: 319 [2018-07-23 13:53:04,163 INFO L575 BasicCegarLoop]: 0 DeclaredPredicates, 158 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 157 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.9s TimeCoverageRelationStatistics Valid=315, Invalid=24807, Unknown=0, NotChecked=0, Total=25122 [2018-07-23 13:53:04,163 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 319 states. [2018-07-23 13:53:04,171 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 319 to 319. [2018-07-23 13:53:04,171 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 319 states. [2018-07-23 13:53:04,171 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 319 states to 319 states and 319 transitions. [2018-07-23 13:53:04,171 INFO L78 Accepts]: Start accepts. Automaton has 319 states and 319 transitions. Word has length 316 [2018-07-23 13:53:04,172 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-07-23 13:53:04,172 INFO L471 AbstractCegarLoop]: Abstraction has 319 states and 319 transitions. [2018-07-23 13:53:04,172 INFO L472 AbstractCegarLoop]: Interpolant automaton has 159 states. [2018-07-23 13:53:04,172 INFO L276 IsEmpty]: Start isEmpty. Operand 319 states and 319 transitions. [2018-07-23 13:53:04,173 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 319 [2018-07-23 13:53:04,173 INFO L349 BasicCegarLoop]: Found error trace [2018-07-23 13:53:04,173 INFO L357 BasicCegarLoop]: trace histogram [158, 157, 1, 1, 1] [2018-07-23 13:53:04,173 INFO L414 AbstractCegarLoop]: === Iteration 158 === [ULTIMATE.startErr0AssertViolationASSERT]=== [2018-07-23 13:53:04,174 INFO L82 PathProgramCache]: Analyzing trace with hash -54549543, now seen corresponding path program 157 times [2018-07-23 13:53:04,174 INFO L69 tionRefinementEngine]: Using refinement strategy FixedRefinementStrategy [2018-07-23 13:53:04,609 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-07-23 13:53:05,912 INFO L134 CoverageAnalysis]: Checked inductivity of 24806 backedges. 0 proven. 24806 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-07-23 13:53:05,913 INFO L309 seRefinementStrategy]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2018-07-23 13:53:05,913 INFO L324 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [159] total 159 [2018-07-23 13:53:05,913 INFO L142 lantAutomatonBuilder]: Constructing canonical interpolant automaton, with selfloop in false state [2018-07-23 13:53:05,913 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-07-23 13:53:05,914 INFO L185 omatonBuilderFactory]: Interpolants [115721#false, 115720#true, 115723#(and (<= ULTIMATE.start_main_~x~4 1) (<= 1 ULTIMATE.start_main_~x~4)), 115722#(and (<= ULTIMATE.start_main_~x~4 0) (<= 0 ULTIMATE.start_main_~x~4)), 115725#(and (<= 3 ULTIMATE.start_main_~x~4) (<= ULTIMATE.start_main_~x~4 3)), 115724#(and (<= 2 ULTIMATE.start_main_~x~4) (<= ULTIMATE.start_main_~x~4 2)), 115727#(and (<= ULTIMATE.start_main_~x~4 5) (<= 5 ULTIMATE.start_main_~x~4)), 115726#(and (<= ULTIMATE.start_main_~x~4 4) (<= 4 ULTIMATE.start_main_~x~4)), 115729#(and (<= ULTIMATE.start_main_~x~4 7) (<= 7 ULTIMATE.start_main_~x~4)), 115728#(and (<= 6 ULTIMATE.start_main_~x~4) (<= ULTIMATE.start_main_~x~4 6)), 115731#(and (<= 9 ULTIMATE.start_main_~x~4) (<= ULTIMATE.start_main_~x~4 9)), 115730#(and (<= ULTIMATE.start_main_~x~4 8) (<= 8 ULTIMATE.start_main_~x~4)), 115733#(and (<= ULTIMATE.start_main_~x~4 11) (<= 11 ULTIMATE.start_main_~x~4)), 115732#(and (<= ULTIMATE.start_main_~x~4 10) (<= 10 ULTIMATE.start_main_~x~4)), 115735#(and (<= ULTIMATE.start_main_~x~4 13) (<= 13 ULTIMATE.start_main_~x~4)), 115734#(and (<= 12 ULTIMATE.start_main_~x~4) (<= ULTIMATE.start_main_~x~4 12)), 115737#(and (<= 15 ULTIMATE.start_main_~x~4) (<= ULTIMATE.start_main_~x~4 15)), 115736#(and (<= 14 ULTIMATE.start_main_~x~4) (<= ULTIMATE.start_main_~x~4 14)), 115739#(and (<= ULTIMATE.start_main_~x~4 17) (<= 17 ULTIMATE.start_main_~x~4)), 115738#(and (<= ULTIMATE.start_main_~x~4 16) (<= 16 ULTIMATE.start_main_~x~4)), 115741#(and (<= 19 ULTIMATE.start_main_~x~4) (<= ULTIMATE.start_main_~x~4 19)), 115740#(and (<= 18 ULTIMATE.start_main_~x~4) (<= ULTIMATE.start_main_~x~4 18)), 115743#(and (<= ULTIMATE.start_main_~x~4 21) (<= 21 ULTIMATE.start_main_~x~4)), 115742#(and (<= 20 ULTIMATE.start_main_~x~4) (<= ULTIMATE.start_main_~x~4 20)), 115745#(and (<= ULTIMATE.start_main_~x~4 23) (<= 23 ULTIMATE.start_main_~x~4)), 115744#(and (<= ULTIMATE.start_main_~x~4 22) (<= 22 ULTIMATE.start_main_~x~4)), 115747#(and (<= ULTIMATE.start_main_~x~4 25) (<= 25 ULTIMATE.start_main_~x~4)), 115746#(and (<= ULTIMATE.start_main_~x~4 24) (<= 24 ULTIMATE.start_main_~x~4)), 115749#(and (<= ULTIMATE.start_main_~x~4 27) (<= 27 ULTIMATE.start_main_~x~4)), 115748#(and (<= ULTIMATE.start_main_~x~4 26) (<= 26 ULTIMATE.start_main_~x~4)), 115751#(and (<= 29 ULTIMATE.start_main_~x~4) (<= ULTIMATE.start_main_~x~4 29)), 115750#(and (<= ULTIMATE.start_main_~x~4 28) (<= 28 ULTIMATE.start_main_~x~4)), 115753#(and (<= ULTIMATE.start_main_~x~4 31) (<= 31 ULTIMATE.start_main_~x~4)), 115752#(and (<= ULTIMATE.start_main_~x~4 30) (<= 30 ULTIMATE.start_main_~x~4)), 115755#(and (<= ULTIMATE.start_main_~x~4 33) (<= 33 ULTIMATE.start_main_~x~4)), 115754#(and (<= ULTIMATE.start_main_~x~4 32) (<= 32 ULTIMATE.start_main_~x~4)), 115757#(and (<= ULTIMATE.start_main_~x~4 35) (<= 35 ULTIMATE.start_main_~x~4)), 115756#(and (<= 34 ULTIMATE.start_main_~x~4) (<= ULTIMATE.start_main_~x~4 34)), 115759#(and (<= ULTIMATE.start_main_~x~4 37) (<= 37 ULTIMATE.start_main_~x~4)), 115758#(and (<= 36 ULTIMATE.start_main_~x~4) (<= ULTIMATE.start_main_~x~4 36)), 115761#(and (<= ULTIMATE.start_main_~x~4 39) (<= 39 ULTIMATE.start_main_~x~4)), 115760#(and (<= 38 ULTIMATE.start_main_~x~4) (<= ULTIMATE.start_main_~x~4 38)), 115763#(and (<= ULTIMATE.start_main_~x~4 41) (<= 41 ULTIMATE.start_main_~x~4)), 115762#(and (<= ULTIMATE.start_main_~x~4 40) (<= 40 ULTIMATE.start_main_~x~4)), 115765#(and (<= ULTIMATE.start_main_~x~4 43) (<= 43 ULTIMATE.start_main_~x~4)), 115764#(and (<= ULTIMATE.start_main_~x~4 42) (<= 42 ULTIMATE.start_main_~x~4)), 115767#(and (<= 45 ULTIMATE.start_main_~x~4) (<= ULTIMATE.start_main_~x~4 45)), 115766#(and (<= 44 ULTIMATE.start_main_~x~4) (<= ULTIMATE.start_main_~x~4 44)), 115769#(and (<= 47 ULTIMATE.start_main_~x~4) (<= ULTIMATE.start_main_~x~4 47)), 115768#(and (<= ULTIMATE.start_main_~x~4 46) (<= 46 ULTIMATE.start_main_~x~4)), 115771#(and (<= 49 ULTIMATE.start_main_~x~4) (<= ULTIMATE.start_main_~x~4 49)), 115770#(and (<= 48 ULTIMATE.start_main_~x~4) (<= ULTIMATE.start_main_~x~4 48)), 115773#(and (<= 51 ULTIMATE.start_main_~x~4) (<= ULTIMATE.start_main_~x~4 51)), 115772#(and (<= ULTIMATE.start_main_~x~4 50) (<= 50 ULTIMATE.start_main_~x~4)), 115775#(and (<= 53 ULTIMATE.start_main_~x~4) (<= ULTIMATE.start_main_~x~4 53)), 115774#(and (<= ULTIMATE.start_main_~x~4 52) (<= 52 ULTIMATE.start_main_~x~4)), 115777#(and (<= 55 ULTIMATE.start_main_~x~4) (<= ULTIMATE.start_main_~x~4 55)), 115776#(and (<= ULTIMATE.start_main_~x~4 54) (<= 54 ULTIMATE.start_main_~x~4)), 115779#(and (<= 57 ULTIMATE.start_main_~x~4) (<= ULTIMATE.start_main_~x~4 57)), 115778#(and (<= 56 ULTIMATE.start_main_~x~4) (<= ULTIMATE.start_main_~x~4 56)), 115781#(and (<= ULTIMATE.start_main_~x~4 59) (<= 59 ULTIMATE.start_main_~x~4)), 115780#(and (<= 58 ULTIMATE.start_main_~x~4) (<= ULTIMATE.start_main_~x~4 58)), 115783#(and (<= 61 ULTIMATE.start_main_~x~4) (<= ULTIMATE.start_main_~x~4 61)), 115782#(and (<= 60 ULTIMATE.start_main_~x~4) (<= ULTIMATE.start_main_~x~4 60)), 115785#(and (<= 63 ULTIMATE.start_main_~x~4) (<= ULTIMATE.start_main_~x~4 63)), 115784#(and (<= ULTIMATE.start_main_~x~4 62) (<= 62 ULTIMATE.start_main_~x~4)), 115787#(and (<= 65 ULTIMATE.start_main_~x~4) (<= ULTIMATE.start_main_~x~4 65)), 115786#(and (<= ULTIMATE.start_main_~x~4 64) (<= 64 ULTIMATE.start_main_~x~4)), 115789#(and (<= 67 ULTIMATE.start_main_~x~4) (<= ULTIMATE.start_main_~x~4 67)), 115788#(and (<= 66 ULTIMATE.start_main_~x~4) (<= ULTIMATE.start_main_~x~4 66)), 115791#(and (<= 69 ULTIMATE.start_main_~x~4) (<= ULTIMATE.start_main_~x~4 69)), 115790#(and (<= ULTIMATE.start_main_~x~4 68) (<= 68 ULTIMATE.start_main_~x~4)), 115793#(and (<= 71 ULTIMATE.start_main_~x~4) (<= ULTIMATE.start_main_~x~4 71)), 115792#(and (<= ULTIMATE.start_main_~x~4 70) (<= 70 ULTIMATE.start_main_~x~4)), 115795#(and (<= ULTIMATE.start_main_~x~4 73) (<= 73 ULTIMATE.start_main_~x~4)), 115794#(and (<= 72 ULTIMATE.start_main_~x~4) (<= ULTIMATE.start_main_~x~4 72)), 115797#(and (<= ULTIMATE.start_main_~x~4 75) (<= 75 ULTIMATE.start_main_~x~4)), 115796#(and (<= 74 ULTIMATE.start_main_~x~4) (<= ULTIMATE.start_main_~x~4 74)), 115799#(and (<= ULTIMATE.start_main_~x~4 77) (<= 77 ULTIMATE.start_main_~x~4)), 115798#(and (<= ULTIMATE.start_main_~x~4 76) (<= 76 ULTIMATE.start_main_~x~4)), 115801#(and (<= 79 ULTIMATE.start_main_~x~4) (<= ULTIMATE.start_main_~x~4 79)), 115800#(and (<= ULTIMATE.start_main_~x~4 78) (<= 78 ULTIMATE.start_main_~x~4)), 115803#(and (<= ULTIMATE.start_main_~x~4 81) (<= 81 ULTIMATE.start_main_~x~4)), 115802#(and (<= ULTIMATE.start_main_~x~4 80) (<= 80 ULTIMATE.start_main_~x~4)), 115805#(and (<= 83 ULTIMATE.start_main_~x~4) (<= ULTIMATE.start_main_~x~4 83)), 115804#(and (<= ULTIMATE.start_main_~x~4 82) (<= 82 ULTIMATE.start_main_~x~4)), 115807#(and (<= 85 ULTIMATE.start_main_~x~4) (<= ULTIMATE.start_main_~x~4 85)), 115806#(and (<= ULTIMATE.start_main_~x~4 84) (<= 84 ULTIMATE.start_main_~x~4)), 115809#(and (<= ULTIMATE.start_main_~x~4 87) (<= 87 ULTIMATE.start_main_~x~4)), 115808#(and (<= 86 ULTIMATE.start_main_~x~4) (<= ULTIMATE.start_main_~x~4 86)), 115811#(and (<= ULTIMATE.start_main_~x~4 89) (<= 89 ULTIMATE.start_main_~x~4)), 115810#(and (<= 88 ULTIMATE.start_main_~x~4) (<= ULTIMATE.start_main_~x~4 88)), 115813#(and (<= ULTIMATE.start_main_~x~4 91) (<= 91 ULTIMATE.start_main_~x~4)), 115812#(and (<= ULTIMATE.start_main_~x~4 90) (<= 90 ULTIMATE.start_main_~x~4)), 115815#(and (<= ULTIMATE.start_main_~x~4 93) (<= 93 ULTIMATE.start_main_~x~4)), 115814#(and (<= ULTIMATE.start_main_~x~4 92) (<= 92 ULTIMATE.start_main_~x~4)), 115817#(and (<= 95 ULTIMATE.start_main_~x~4) (<= ULTIMATE.start_main_~x~4 95)), 115816#(and (<= ULTIMATE.start_main_~x~4 94) (<= 94 ULTIMATE.start_main_~x~4)), 115819#(and (<= 97 ULTIMATE.start_main_~x~4) (<= ULTIMATE.start_main_~x~4 97)), 115818#(and (<= ULTIMATE.start_main_~x~4 96) (<= 96 ULTIMATE.start_main_~x~4)), 115821#(and (<= 99 ULTIMATE.start_main_~x~4) (<= ULTIMATE.start_main_~x~4 99)), 115820#(and (<= ULTIMATE.start_main_~x~4 98) (<= 98 ULTIMATE.start_main_~x~4)), 115823#(and (<= ULTIMATE.start_main_~x~4 101) (<= 101 ULTIMATE.start_main_~x~4)), 115822#(and (<= ULTIMATE.start_main_~x~4 100) (<= 100 ULTIMATE.start_main_~x~4)), 115825#(and (<= 103 ULTIMATE.start_main_~x~4) (<= ULTIMATE.start_main_~x~4 103)), 115824#(and (<= 102 ULTIMATE.start_main_~x~4) (<= ULTIMATE.start_main_~x~4 102)), 115827#(and (<= 105 ULTIMATE.start_main_~x~4) (<= ULTIMATE.start_main_~x~4 105)), 115826#(and (<= ULTIMATE.start_main_~x~4 104) (<= 104 ULTIMATE.start_main_~x~4)), 115829#(and (<= 107 ULTIMATE.start_main_~x~4) (<= ULTIMATE.start_main_~x~4 107)), 115828#(and (<= 106 ULTIMATE.start_main_~x~4) (<= ULTIMATE.start_main_~x~4 106)), 115831#(and (<= ULTIMATE.start_main_~x~4 109) (<= 109 ULTIMATE.start_main_~x~4)), 115830#(and (<= 108 ULTIMATE.start_main_~x~4) (<= ULTIMATE.start_main_~x~4 108)), 115833#(and (<= ULTIMATE.start_main_~x~4 111) (<= 111 ULTIMATE.start_main_~x~4)), 115832#(and (<= 110 ULTIMATE.start_main_~x~4) (<= ULTIMATE.start_main_~x~4 110)), 115835#(and (<= 113 ULTIMATE.start_main_~x~4) (<= ULTIMATE.start_main_~x~4 113)), 115834#(and (<= ULTIMATE.start_main_~x~4 112) (<= 112 ULTIMATE.start_main_~x~4)), 115837#(and (<= ULTIMATE.start_main_~x~4 115) (<= 115 ULTIMATE.start_main_~x~4)), 115836#(and (<= ULTIMATE.start_main_~x~4 114) (<= 114 ULTIMATE.start_main_~x~4)), 115839#(and (<= ULTIMATE.start_main_~x~4 117) (<= 117 ULTIMATE.start_main_~x~4)), 115838#(and (<= ULTIMATE.start_main_~x~4 116) (<= 116 ULTIMATE.start_main_~x~4)), 115841#(and (<= 119 ULTIMATE.start_main_~x~4) (<= ULTIMATE.start_main_~x~4 119)), 115840#(and (<= 118 ULTIMATE.start_main_~x~4) (<= ULTIMATE.start_main_~x~4 118)), 115843#(and (<= 121 ULTIMATE.start_main_~x~4) (<= ULTIMATE.start_main_~x~4 121)), 115842#(and (<= 120 ULTIMATE.start_main_~x~4) (<= ULTIMATE.start_main_~x~4 120)), 115845#(and (<= ULTIMATE.start_main_~x~4 123) (<= 123 ULTIMATE.start_main_~x~4)), 115844#(and (<= 122 ULTIMATE.start_main_~x~4) (<= ULTIMATE.start_main_~x~4 122)), 115847#(and (<= 125 ULTIMATE.start_main_~x~4) (<= ULTIMATE.start_main_~x~4 125)), 115846#(and (<= ULTIMATE.start_main_~x~4 124) (<= 124 ULTIMATE.start_main_~x~4)), 115849#(and (<= ULTIMATE.start_main_~x~4 127) (<= 127 ULTIMATE.start_main_~x~4)), 115848#(and (<= 126 ULTIMATE.start_main_~x~4) (<= ULTIMATE.start_main_~x~4 126)), 115851#(and (<= 129 ULTIMATE.start_main_~x~4) (<= ULTIMATE.start_main_~x~4 129)), 115850#(and (<= 128 ULTIMATE.start_main_~x~4) (<= ULTIMATE.start_main_~x~4 128)), 115853#(and (<= 131 ULTIMATE.start_main_~x~4) (<= ULTIMATE.start_main_~x~4 131)), 115852#(and (<= ULTIMATE.start_main_~x~4 130) (<= 130 ULTIMATE.start_main_~x~4)), 115855#(and (<= ULTIMATE.start_main_~x~4 133) (<= 133 ULTIMATE.start_main_~x~4)), 115854#(and (<= 132 ULTIMATE.start_main_~x~4) (<= ULTIMATE.start_main_~x~4 132)), 115857#(and (<= 135 ULTIMATE.start_main_~x~4) (<= ULTIMATE.start_main_~x~4 135)), 115856#(and (<= 134 ULTIMATE.start_main_~x~4) (<= ULTIMATE.start_main_~x~4 134)), 115859#(and (<= 137 ULTIMATE.start_main_~x~4) (<= ULTIMATE.start_main_~x~4 137)), 115858#(and (<= ULTIMATE.start_main_~x~4 136) (<= 136 ULTIMATE.start_main_~x~4)), 115861#(and (<= 139 ULTIMATE.start_main_~x~4) (<= ULTIMATE.start_main_~x~4 139)), 115860#(and (<= 138 ULTIMATE.start_main_~x~4) (<= ULTIMATE.start_main_~x~4 138)), 115863#(and (<= 141 ULTIMATE.start_main_~x~4) (<= ULTIMATE.start_main_~x~4 141)), 115862#(and (<= 140 ULTIMATE.start_main_~x~4) (<= ULTIMATE.start_main_~x~4 140)), 115865#(and (<= ULTIMATE.start_main_~x~4 143) (<= 143 ULTIMATE.start_main_~x~4)), 115864#(and (<= 142 ULTIMATE.start_main_~x~4) (<= ULTIMATE.start_main_~x~4 142)), 115867#(and (<= ULTIMATE.start_main_~x~4 145) (<= 145 ULTIMATE.start_main_~x~4)), 115866#(and (<= ULTIMATE.start_main_~x~4 144) (<= 144 ULTIMATE.start_main_~x~4)), 115869#(and (<= 147 ULTIMATE.start_main_~x~4) (<= ULTIMATE.start_main_~x~4 147)), 115868#(and (<= ULTIMATE.start_main_~x~4 146) (<= 146 ULTIMATE.start_main_~x~4)), 115871#(and (<= 149 ULTIMATE.start_main_~x~4) (<= ULTIMATE.start_main_~x~4 149)), 115870#(and (<= ULTIMATE.start_main_~x~4 148) (<= 148 ULTIMATE.start_main_~x~4)), 115873#(and (<= ULTIMATE.start_main_~x~4 151) (<= 151 ULTIMATE.start_main_~x~4)), 115872#(and (<= 150 ULTIMATE.start_main_~x~4) (<= ULTIMATE.start_main_~x~4 150)), 115875#(and (<= ULTIMATE.start_main_~x~4 153) (<= 153 ULTIMATE.start_main_~x~4)), 115874#(and (<= 152 ULTIMATE.start_main_~x~4) (<= ULTIMATE.start_main_~x~4 152)), 115877#(and (<= 155 ULTIMATE.start_main_~x~4) (<= ULTIMATE.start_main_~x~4 155)), 115876#(and (<= ULTIMATE.start_main_~x~4 154) (<= 154 ULTIMATE.start_main_~x~4)), 115879#(and (<= ULTIMATE.start_main_~x~4 157) (<= 157 ULTIMATE.start_main_~x~4)), 115878#(and (<= ULTIMATE.start_main_~x~4 156) (<= 156 ULTIMATE.start_main_~x~4))] [2018-07-23 13:53:05,915 INFO L134 CoverageAnalysis]: Checked inductivity of 24806 backedges. 0 proven. 24806 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-07-23 13:53:05,915 INFO L450 AbstractCegarLoop]: Interpolant automaton has 160 states [2018-07-23 13:53:05,916 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 160 interpolants. [2018-07-23 13:53:05,917 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=317, Invalid=25123, Unknown=0, NotChecked=0, Total=25440 [2018-07-23 13:53:05,917 INFO L87 Difference]: Start difference. First operand 319 states and 319 transitions. Second operand 160 states. [2018-07-23 13:53:07,696 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-07-23 13:53:07,696 INFO L93 Difference]: Finished difference Result 323 states and 323 transitions. [2018-07-23 13:53:07,697 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 160 states. [2018-07-23 13:53:07,697 INFO L78 Accepts]: Start accepts. Automaton has 160 states. Word has length 318 [2018-07-23 13:53:07,697 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-07-23 13:53:07,697 INFO L225 Difference]: With dead ends: 323 [2018-07-23 13:53:07,697 INFO L226 Difference]: Without dead ends: 321 [2018-07-23 13:53:07,698 INFO L575 BasicCegarLoop]: 0 DeclaredPredicates, 159 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 158 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.9s TimeCoverageRelationStatistics Valid=317, Invalid=25123, Unknown=0, NotChecked=0, Total=25440 [2018-07-23 13:53:07,698 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 321 states. [2018-07-23 13:53:07,705 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 321 to 321. [2018-07-23 13:53:07,706 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 321 states. [2018-07-23 13:53:07,706 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 321 states to 321 states and 321 transitions. [2018-07-23 13:53:07,706 INFO L78 Accepts]: Start accepts. Automaton has 321 states and 321 transitions. Word has length 318 [2018-07-23 13:53:07,706 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-07-23 13:53:07,706 INFO L471 AbstractCegarLoop]: Abstraction has 321 states and 321 transitions. [2018-07-23 13:53:07,706 INFO L472 AbstractCegarLoop]: Interpolant automaton has 160 states. [2018-07-23 13:53:07,706 INFO L276 IsEmpty]: Start isEmpty. Operand 321 states and 321 transitions. [2018-07-23 13:53:07,707 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 321 [2018-07-23 13:53:07,707 INFO L349 BasicCegarLoop]: Found error trace [2018-07-23 13:53:07,707 INFO L357 BasicCegarLoop]: trace histogram [159, 158, 1, 1, 1] [2018-07-23 13:53:07,708 INFO L414 AbstractCegarLoop]: === Iteration 159 === [ULTIMATE.startErr0AssertViolationASSERT]=== [2018-07-23 13:53:07,708 INFO L82 PathProgramCache]: Analyzing trace with hash -882451181, now seen corresponding path program 158 times [2018-07-23 13:53:07,708 INFO L69 tionRefinementEngine]: Using refinement strategy FixedRefinementStrategy [2018-07-23 13:53:08,118 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-07-23 13:53:09,442 INFO L134 CoverageAnalysis]: Checked inductivity of 25122 backedges. 0 proven. 25122 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-07-23 13:53:09,442 INFO L309 seRefinementStrategy]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2018-07-23 13:53:09,442 INFO L324 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [160] total 160 [2018-07-23 13:53:09,442 INFO L142 lantAutomatonBuilder]: Constructing canonical interpolant automaton, with selfloop in false state [2018-07-23 13:53:09,443 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-07-23 13:53:09,443 INFO L185 omatonBuilderFactory]: Interpolants [117249#(and (<= 79 ULTIMATE.start_main_~x~4) (<= ULTIMATE.start_main_~x~4 79)), 117248#(and (<= ULTIMATE.start_main_~x~4 78) (<= 78 ULTIMATE.start_main_~x~4)), 117251#(and (<= ULTIMATE.start_main_~x~4 81) (<= 81 ULTIMATE.start_main_~x~4)), 117250#(and (<= ULTIMATE.start_main_~x~4 80) (<= 80 ULTIMATE.start_main_~x~4)), 117253#(and (<= 83 ULTIMATE.start_main_~x~4) (<= ULTIMATE.start_main_~x~4 83)), 117252#(and (<= ULTIMATE.start_main_~x~4 82) (<= 82 ULTIMATE.start_main_~x~4)), 117255#(and (<= 85 ULTIMATE.start_main_~x~4) (<= ULTIMATE.start_main_~x~4 85)), 117254#(and (<= ULTIMATE.start_main_~x~4 84) (<= 84 ULTIMATE.start_main_~x~4)), 117257#(and (<= ULTIMATE.start_main_~x~4 87) (<= 87 ULTIMATE.start_main_~x~4)), 117256#(and (<= 86 ULTIMATE.start_main_~x~4) (<= ULTIMATE.start_main_~x~4 86)), 117259#(and (<= ULTIMATE.start_main_~x~4 89) (<= 89 ULTIMATE.start_main_~x~4)), 117258#(and (<= 88 ULTIMATE.start_main_~x~4) (<= ULTIMATE.start_main_~x~4 88)), 117261#(and (<= ULTIMATE.start_main_~x~4 91) (<= 91 ULTIMATE.start_main_~x~4)), 117260#(and (<= ULTIMATE.start_main_~x~4 90) (<= 90 ULTIMATE.start_main_~x~4)), 117263#(and (<= ULTIMATE.start_main_~x~4 93) (<= 93 ULTIMATE.start_main_~x~4)), 117262#(and (<= ULTIMATE.start_main_~x~4 92) (<= 92 ULTIMATE.start_main_~x~4)), 117265#(and (<= 95 ULTIMATE.start_main_~x~4) (<= ULTIMATE.start_main_~x~4 95)), 117264#(and (<= ULTIMATE.start_main_~x~4 94) (<= 94 ULTIMATE.start_main_~x~4)), 117267#(and (<= 97 ULTIMATE.start_main_~x~4) (<= ULTIMATE.start_main_~x~4 97)), 117266#(and (<= ULTIMATE.start_main_~x~4 96) (<= 96 ULTIMATE.start_main_~x~4)), 117269#(and (<= 99 ULTIMATE.start_main_~x~4) (<= ULTIMATE.start_main_~x~4 99)), 117268#(and (<= ULTIMATE.start_main_~x~4 98) (<= 98 ULTIMATE.start_main_~x~4)), 117271#(and (<= ULTIMATE.start_main_~x~4 101) (<= 101 ULTIMATE.start_main_~x~4)), 117270#(and (<= ULTIMATE.start_main_~x~4 100) (<= 100 ULTIMATE.start_main_~x~4)), 117273#(and (<= 103 ULTIMATE.start_main_~x~4) (<= ULTIMATE.start_main_~x~4 103)), 117272#(and (<= 102 ULTIMATE.start_main_~x~4) (<= ULTIMATE.start_main_~x~4 102)), 117275#(and (<= 105 ULTIMATE.start_main_~x~4) (<= ULTIMATE.start_main_~x~4 105)), 117274#(and (<= ULTIMATE.start_main_~x~4 104) (<= 104 ULTIMATE.start_main_~x~4)), 117277#(and (<= 107 ULTIMATE.start_main_~x~4) (<= ULTIMATE.start_main_~x~4 107)), 117276#(and (<= 106 ULTIMATE.start_main_~x~4) (<= ULTIMATE.start_main_~x~4 106)), 117279#(and (<= ULTIMATE.start_main_~x~4 109) (<= 109 ULTIMATE.start_main_~x~4)), 117278#(and (<= 108 ULTIMATE.start_main_~x~4) (<= ULTIMATE.start_main_~x~4 108)), 117281#(and (<= ULTIMATE.start_main_~x~4 111) (<= 111 ULTIMATE.start_main_~x~4)), 117280#(and (<= 110 ULTIMATE.start_main_~x~4) (<= ULTIMATE.start_main_~x~4 110)), 117283#(and (<= 113 ULTIMATE.start_main_~x~4) (<= ULTIMATE.start_main_~x~4 113)), 117282#(and (<= ULTIMATE.start_main_~x~4 112) (<= 112 ULTIMATE.start_main_~x~4)), 117285#(and (<= ULTIMATE.start_main_~x~4 115) (<= 115 ULTIMATE.start_main_~x~4)), 117284#(and (<= ULTIMATE.start_main_~x~4 114) (<= 114 ULTIMATE.start_main_~x~4)), 117287#(and (<= ULTIMATE.start_main_~x~4 117) (<= 117 ULTIMATE.start_main_~x~4)), 117286#(and (<= ULTIMATE.start_main_~x~4 116) (<= 116 ULTIMATE.start_main_~x~4)), 117289#(and (<= 119 ULTIMATE.start_main_~x~4) (<= ULTIMATE.start_main_~x~4 119)), 117288#(and (<= 118 ULTIMATE.start_main_~x~4) (<= ULTIMATE.start_main_~x~4 118)), 117291#(and (<= 121 ULTIMATE.start_main_~x~4) (<= ULTIMATE.start_main_~x~4 121)), 117290#(and (<= 120 ULTIMATE.start_main_~x~4) (<= ULTIMATE.start_main_~x~4 120)), 117293#(and (<= ULTIMATE.start_main_~x~4 123) (<= 123 ULTIMATE.start_main_~x~4)), 117292#(and (<= 122 ULTIMATE.start_main_~x~4) (<= ULTIMATE.start_main_~x~4 122)), 117295#(and (<= 125 ULTIMATE.start_main_~x~4) (<= ULTIMATE.start_main_~x~4 125)), 117294#(and (<= ULTIMATE.start_main_~x~4 124) (<= 124 ULTIMATE.start_main_~x~4)), 117297#(and (<= ULTIMATE.start_main_~x~4 127) (<= 127 ULTIMATE.start_main_~x~4)), 117296#(and (<= 126 ULTIMATE.start_main_~x~4) (<= ULTIMATE.start_main_~x~4 126)), 117299#(and (<= 129 ULTIMATE.start_main_~x~4) (<= ULTIMATE.start_main_~x~4 129)), 117298#(and (<= 128 ULTIMATE.start_main_~x~4) (<= ULTIMATE.start_main_~x~4 128)), 117301#(and (<= 131 ULTIMATE.start_main_~x~4) (<= ULTIMATE.start_main_~x~4 131)), 117300#(and (<= ULTIMATE.start_main_~x~4 130) (<= 130 ULTIMATE.start_main_~x~4)), 117303#(and (<= ULTIMATE.start_main_~x~4 133) (<= 133 ULTIMATE.start_main_~x~4)), 117302#(and (<= 132 ULTIMATE.start_main_~x~4) (<= ULTIMATE.start_main_~x~4 132)), 117305#(and (<= 135 ULTIMATE.start_main_~x~4) (<= ULTIMATE.start_main_~x~4 135)), 117304#(and (<= 134 ULTIMATE.start_main_~x~4) (<= ULTIMATE.start_main_~x~4 134)), 117307#(and (<= 137 ULTIMATE.start_main_~x~4) (<= ULTIMATE.start_main_~x~4 137)), 117306#(and (<= ULTIMATE.start_main_~x~4 136) (<= 136 ULTIMATE.start_main_~x~4)), 117309#(and (<= 139 ULTIMATE.start_main_~x~4) (<= ULTIMATE.start_main_~x~4 139)), 117308#(and (<= 138 ULTIMATE.start_main_~x~4) (<= ULTIMATE.start_main_~x~4 138)), 117311#(and (<= 141 ULTIMATE.start_main_~x~4) (<= ULTIMATE.start_main_~x~4 141)), 117310#(and (<= 140 ULTIMATE.start_main_~x~4) (<= ULTIMATE.start_main_~x~4 140)), 117313#(and (<= ULTIMATE.start_main_~x~4 143) (<= 143 ULTIMATE.start_main_~x~4)), 117312#(and (<= 142 ULTIMATE.start_main_~x~4) (<= ULTIMATE.start_main_~x~4 142)), 117315#(and (<= ULTIMATE.start_main_~x~4 145) (<= 145 ULTIMATE.start_main_~x~4)), 117314#(and (<= ULTIMATE.start_main_~x~4 144) (<= 144 ULTIMATE.start_main_~x~4)), 117317#(and (<= 147 ULTIMATE.start_main_~x~4) (<= ULTIMATE.start_main_~x~4 147)), 117316#(and (<= ULTIMATE.start_main_~x~4 146) (<= 146 ULTIMATE.start_main_~x~4)), 117319#(and (<= 149 ULTIMATE.start_main_~x~4) (<= ULTIMATE.start_main_~x~4 149)), 117318#(and (<= ULTIMATE.start_main_~x~4 148) (<= 148 ULTIMATE.start_main_~x~4)), 117321#(and (<= ULTIMATE.start_main_~x~4 151) (<= 151 ULTIMATE.start_main_~x~4)), 117320#(and (<= 150 ULTIMATE.start_main_~x~4) (<= ULTIMATE.start_main_~x~4 150)), 117323#(and (<= ULTIMATE.start_main_~x~4 153) (<= 153 ULTIMATE.start_main_~x~4)), 117322#(and (<= 152 ULTIMATE.start_main_~x~4) (<= ULTIMATE.start_main_~x~4 152)), 117325#(and (<= 155 ULTIMATE.start_main_~x~4) (<= ULTIMATE.start_main_~x~4 155)), 117324#(and (<= ULTIMATE.start_main_~x~4 154) (<= 154 ULTIMATE.start_main_~x~4)), 117327#(and (<= ULTIMATE.start_main_~x~4 157) (<= 157 ULTIMATE.start_main_~x~4)), 117326#(and (<= ULTIMATE.start_main_~x~4 156) (<= 156 ULTIMATE.start_main_~x~4)), 117328#(and (<= 158 ULTIMATE.start_main_~x~4) (<= ULTIMATE.start_main_~x~4 158)), 117169#false, 117168#true, 117171#(and (<= ULTIMATE.start_main_~x~4 1) (<= 1 ULTIMATE.start_main_~x~4)), 117170#(and (<= ULTIMATE.start_main_~x~4 0) (<= 0 ULTIMATE.start_main_~x~4)), 117173#(and (<= 3 ULTIMATE.start_main_~x~4) (<= ULTIMATE.start_main_~x~4 3)), 117172#(and (<= 2 ULTIMATE.start_main_~x~4) (<= ULTIMATE.start_main_~x~4 2)), 117175#(and (<= ULTIMATE.start_main_~x~4 5) (<= 5 ULTIMATE.start_main_~x~4)), 117174#(and (<= ULTIMATE.start_main_~x~4 4) (<= 4 ULTIMATE.start_main_~x~4)), 117177#(and (<= ULTIMATE.start_main_~x~4 7) (<= 7 ULTIMATE.start_main_~x~4)), 117176#(and (<= 6 ULTIMATE.start_main_~x~4) (<= ULTIMATE.start_main_~x~4 6)), 117179#(and (<= 9 ULTIMATE.start_main_~x~4) (<= ULTIMATE.start_main_~x~4 9)), 117178#(and (<= ULTIMATE.start_main_~x~4 8) (<= 8 ULTIMATE.start_main_~x~4)), 117181#(and (<= ULTIMATE.start_main_~x~4 11) (<= 11 ULTIMATE.start_main_~x~4)), 117180#(and (<= ULTIMATE.start_main_~x~4 10) (<= 10 ULTIMATE.start_main_~x~4)), 117183#(and (<= ULTIMATE.start_main_~x~4 13) (<= 13 ULTIMATE.start_main_~x~4)), 117182#(and (<= 12 ULTIMATE.start_main_~x~4) (<= ULTIMATE.start_main_~x~4 12)), 117185#(and (<= 15 ULTIMATE.start_main_~x~4) (<= ULTIMATE.start_main_~x~4 15)), 117184#(and (<= 14 ULTIMATE.start_main_~x~4) (<= ULTIMATE.start_main_~x~4 14)), 117187#(and (<= ULTIMATE.start_main_~x~4 17) (<= 17 ULTIMATE.start_main_~x~4)), 117186#(and (<= ULTIMATE.start_main_~x~4 16) (<= 16 ULTIMATE.start_main_~x~4)), 117189#(and (<= 19 ULTIMATE.start_main_~x~4) (<= ULTIMATE.start_main_~x~4 19)), 117188#(and (<= 18 ULTIMATE.start_main_~x~4) (<= ULTIMATE.start_main_~x~4 18)), 117191#(and (<= ULTIMATE.start_main_~x~4 21) (<= 21 ULTIMATE.start_main_~x~4)), 117190#(and (<= 20 ULTIMATE.start_main_~x~4) (<= ULTIMATE.start_main_~x~4 20)), 117193#(and (<= ULTIMATE.start_main_~x~4 23) (<= 23 ULTIMATE.start_main_~x~4)), 117192#(and (<= ULTIMATE.start_main_~x~4 22) (<= 22 ULTIMATE.start_main_~x~4)), 117195#(and (<= ULTIMATE.start_main_~x~4 25) (<= 25 ULTIMATE.start_main_~x~4)), 117194#(and (<= ULTIMATE.start_main_~x~4 24) (<= 24 ULTIMATE.start_main_~x~4)), 117197#(and (<= ULTIMATE.start_main_~x~4 27) (<= 27 ULTIMATE.start_main_~x~4)), 117196#(and (<= ULTIMATE.start_main_~x~4 26) (<= 26 ULTIMATE.start_main_~x~4)), 117199#(and (<= 29 ULTIMATE.start_main_~x~4) (<= ULTIMATE.start_main_~x~4 29)), 117198#(and (<= ULTIMATE.start_main_~x~4 28) (<= 28 ULTIMATE.start_main_~x~4)), 117201#(and (<= ULTIMATE.start_main_~x~4 31) (<= 31 ULTIMATE.start_main_~x~4)), 117200#(and (<= ULTIMATE.start_main_~x~4 30) (<= 30 ULTIMATE.start_main_~x~4)), 117203#(and (<= ULTIMATE.start_main_~x~4 33) (<= 33 ULTIMATE.start_main_~x~4)), 117202#(and (<= ULTIMATE.start_main_~x~4 32) (<= 32 ULTIMATE.start_main_~x~4)), 117205#(and (<= ULTIMATE.start_main_~x~4 35) (<= 35 ULTIMATE.start_main_~x~4)), 117204#(and (<= 34 ULTIMATE.start_main_~x~4) (<= ULTIMATE.start_main_~x~4 34)), 117207#(and (<= ULTIMATE.start_main_~x~4 37) (<= 37 ULTIMATE.start_main_~x~4)), 117206#(and (<= 36 ULTIMATE.start_main_~x~4) (<= ULTIMATE.start_main_~x~4 36)), 117209#(and (<= ULTIMATE.start_main_~x~4 39) (<= 39 ULTIMATE.start_main_~x~4)), 117208#(and (<= 38 ULTIMATE.start_main_~x~4) (<= ULTIMATE.start_main_~x~4 38)), 117211#(and (<= ULTIMATE.start_main_~x~4 41) (<= 41 ULTIMATE.start_main_~x~4)), 117210#(and (<= ULTIMATE.start_main_~x~4 40) (<= 40 ULTIMATE.start_main_~x~4)), 117213#(and (<= ULTIMATE.start_main_~x~4 43) (<= 43 ULTIMATE.start_main_~x~4)), 117212#(and (<= ULTIMATE.start_main_~x~4 42) (<= 42 ULTIMATE.start_main_~x~4)), 117215#(and (<= 45 ULTIMATE.start_main_~x~4) (<= ULTIMATE.start_main_~x~4 45)), 117214#(and (<= 44 ULTIMATE.start_main_~x~4) (<= ULTIMATE.start_main_~x~4 44)), 117217#(and (<= 47 ULTIMATE.start_main_~x~4) (<= ULTIMATE.start_main_~x~4 47)), 117216#(and (<= ULTIMATE.start_main_~x~4 46) (<= 46 ULTIMATE.start_main_~x~4)), 117219#(and (<= 49 ULTIMATE.start_main_~x~4) (<= ULTIMATE.start_main_~x~4 49)), 117218#(and (<= 48 ULTIMATE.start_main_~x~4) (<= ULTIMATE.start_main_~x~4 48)), 117221#(and (<= 51 ULTIMATE.start_main_~x~4) (<= ULTIMATE.start_main_~x~4 51)), 117220#(and (<= ULTIMATE.start_main_~x~4 50) (<= 50 ULTIMATE.start_main_~x~4)), 117223#(and (<= 53 ULTIMATE.start_main_~x~4) (<= ULTIMATE.start_main_~x~4 53)), 117222#(and (<= ULTIMATE.start_main_~x~4 52) (<= 52 ULTIMATE.start_main_~x~4)), 117225#(and (<= 55 ULTIMATE.start_main_~x~4) (<= ULTIMATE.start_main_~x~4 55)), 117224#(and (<= ULTIMATE.start_main_~x~4 54) (<= 54 ULTIMATE.start_main_~x~4)), 117227#(and (<= 57 ULTIMATE.start_main_~x~4) (<= ULTIMATE.start_main_~x~4 57)), 117226#(and (<= 56 ULTIMATE.start_main_~x~4) (<= ULTIMATE.start_main_~x~4 56)), 117229#(and (<= ULTIMATE.start_main_~x~4 59) (<= 59 ULTIMATE.start_main_~x~4)), 117228#(and (<= 58 ULTIMATE.start_main_~x~4) (<= ULTIMATE.start_main_~x~4 58)), 117231#(and (<= 61 ULTIMATE.start_main_~x~4) (<= ULTIMATE.start_main_~x~4 61)), 117230#(and (<= 60 ULTIMATE.start_main_~x~4) (<= ULTIMATE.start_main_~x~4 60)), 117233#(and (<= 63 ULTIMATE.start_main_~x~4) (<= ULTIMATE.start_main_~x~4 63)), 117232#(and (<= ULTIMATE.start_main_~x~4 62) (<= 62 ULTIMATE.start_main_~x~4)), 117235#(and (<= 65 ULTIMATE.start_main_~x~4) (<= ULTIMATE.start_main_~x~4 65)), 117234#(and (<= ULTIMATE.start_main_~x~4 64) (<= 64 ULTIMATE.start_main_~x~4)), 117237#(and (<= 67 ULTIMATE.start_main_~x~4) (<= ULTIMATE.start_main_~x~4 67)), 117236#(and (<= 66 ULTIMATE.start_main_~x~4) (<= ULTIMATE.start_main_~x~4 66)), 117239#(and (<= 69 ULTIMATE.start_main_~x~4) (<= ULTIMATE.start_main_~x~4 69)), 117238#(and (<= ULTIMATE.start_main_~x~4 68) (<= 68 ULTIMATE.start_main_~x~4)), 117241#(and (<= 71 ULTIMATE.start_main_~x~4) (<= ULTIMATE.start_main_~x~4 71)), 117240#(and (<= ULTIMATE.start_main_~x~4 70) (<= 70 ULTIMATE.start_main_~x~4)), 117243#(and (<= ULTIMATE.start_main_~x~4 73) (<= 73 ULTIMATE.start_main_~x~4)), 117242#(and (<= 72 ULTIMATE.start_main_~x~4) (<= ULTIMATE.start_main_~x~4 72)), 117245#(and (<= ULTIMATE.start_main_~x~4 75) (<= 75 ULTIMATE.start_main_~x~4)), 117244#(and (<= 74 ULTIMATE.start_main_~x~4) (<= ULTIMATE.start_main_~x~4 74)), 117247#(and (<= ULTIMATE.start_main_~x~4 77) (<= 77 ULTIMATE.start_main_~x~4)), 117246#(and (<= ULTIMATE.start_main_~x~4 76) (<= 76 ULTIMATE.start_main_~x~4))] [2018-07-23 13:53:09,445 INFO L134 CoverageAnalysis]: Checked inductivity of 25122 backedges. 0 proven. 25122 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-07-23 13:53:09,445 INFO L450 AbstractCegarLoop]: Interpolant automaton has 161 states [2018-07-23 13:53:09,445 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 161 interpolants. [2018-07-23 13:53:09,446 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=319, Invalid=25441, Unknown=0, NotChecked=0, Total=25760 [2018-07-23 13:53:09,446 INFO L87 Difference]: Start difference. First operand 321 states and 321 transitions. Second operand 161 states. [2018-07-23 13:53:11,297 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-07-23 13:53:11,297 INFO L93 Difference]: Finished difference Result 325 states and 325 transitions. [2018-07-23 13:53:11,297 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 161 states. [2018-07-23 13:53:11,298 INFO L78 Accepts]: Start accepts. Automaton has 161 states. Word has length 320 [2018-07-23 13:53:11,298 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-07-23 13:53:11,298 INFO L225 Difference]: With dead ends: 325 [2018-07-23 13:53:11,298 INFO L226 Difference]: Without dead ends: 323 [2018-07-23 13:53:11,299 INFO L575 BasicCegarLoop]: 0 DeclaredPredicates, 160 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 159 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 1.0s TimeCoverageRelationStatistics Valid=319, Invalid=25441, Unknown=0, NotChecked=0, Total=25760 [2018-07-23 13:53:11,299 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 323 states. [2018-07-23 13:53:11,307 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 323 to 323. [2018-07-23 13:53:11,307 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 323 states. [2018-07-23 13:53:11,307 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 323 states to 323 states and 323 transitions. [2018-07-23 13:53:11,307 INFO L78 Accepts]: Start accepts. Automaton has 323 states and 323 transitions. Word has length 320 [2018-07-23 13:53:11,307 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-07-23 13:53:11,308 INFO L471 AbstractCegarLoop]: Abstraction has 323 states and 323 transitions. [2018-07-23 13:53:11,308 INFO L472 AbstractCegarLoop]: Interpolant automaton has 161 states. [2018-07-23 13:53:11,308 INFO L276 IsEmpty]: Start isEmpty. Operand 323 states and 323 transitions. [2018-07-23 13:53:11,309 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 323 [2018-07-23 13:53:11,309 INFO L349 BasicCegarLoop]: Found error trace [2018-07-23 13:53:11,309 INFO L357 BasicCegarLoop]: trace histogram [160, 159, 1, 1, 1] [2018-07-23 13:53:11,309 INFO L414 AbstractCegarLoop]: === Iteration 160 === [ULTIMATE.startErr0AssertViolationASSERT]=== [2018-07-23 13:53:11,309 INFO L82 PathProgramCache]: Analyzing trace with hash -1926975539, now seen corresponding path program 159 times [2018-07-23 13:53:11,309 INFO L69 tionRefinementEngine]: Using refinement strategy FixedRefinementStrategy [2018-07-23 13:53:11,750 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-07-23 13:53:13,099 INFO L134 CoverageAnalysis]: Checked inductivity of 25440 backedges. 0 proven. 25440 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-07-23 13:53:13,099 INFO L309 seRefinementStrategy]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2018-07-23 13:53:13,099 INFO L324 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [161] total 161 [2018-07-23 13:53:13,099 INFO L142 lantAutomatonBuilder]: Constructing canonical interpolant automaton, with selfloop in false state [2018-07-23 13:53:13,100 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-07-23 13:53:13,100 INFO L185 omatonBuilderFactory]: Interpolants [118785#(and (<= 158 ULTIMATE.start_main_~x~4) (<= ULTIMATE.start_main_~x~4 158)), 118784#(and (<= ULTIMATE.start_main_~x~4 157) (<= 157 ULTIMATE.start_main_~x~4)), 118786#(and (<= ULTIMATE.start_main_~x~4 159) (<= 159 ULTIMATE.start_main_~x~4)), 118625#true, 118627#(and (<= ULTIMATE.start_main_~x~4 0) (<= 0 ULTIMATE.start_main_~x~4)), 118626#false, 118629#(and (<= 2 ULTIMATE.start_main_~x~4) (<= ULTIMATE.start_main_~x~4 2)), 118628#(and (<= ULTIMATE.start_main_~x~4 1) (<= 1 ULTIMATE.start_main_~x~4)), 118631#(and (<= ULTIMATE.start_main_~x~4 4) (<= 4 ULTIMATE.start_main_~x~4)), 118630#(and (<= 3 ULTIMATE.start_main_~x~4) (<= ULTIMATE.start_main_~x~4 3)), 118633#(and (<= 6 ULTIMATE.start_main_~x~4) (<= ULTIMATE.start_main_~x~4 6)), 118632#(and (<= ULTIMATE.start_main_~x~4 5) (<= 5 ULTIMATE.start_main_~x~4)), 118635#(and (<= ULTIMATE.start_main_~x~4 8) (<= 8 ULTIMATE.start_main_~x~4)), 118634#(and (<= ULTIMATE.start_main_~x~4 7) (<= 7 ULTIMATE.start_main_~x~4)), 118637#(and (<= ULTIMATE.start_main_~x~4 10) (<= 10 ULTIMATE.start_main_~x~4)), 118636#(and (<= 9 ULTIMATE.start_main_~x~4) (<= ULTIMATE.start_main_~x~4 9)), 118639#(and (<= 12 ULTIMATE.start_main_~x~4) (<= ULTIMATE.start_main_~x~4 12)), 118638#(and (<= ULTIMATE.start_main_~x~4 11) (<= 11 ULTIMATE.start_main_~x~4)), 118641#(and (<= 14 ULTIMATE.start_main_~x~4) (<= ULTIMATE.start_main_~x~4 14)), 118640#(and (<= ULTIMATE.start_main_~x~4 13) (<= 13 ULTIMATE.start_main_~x~4)), 118643#(and (<= ULTIMATE.start_main_~x~4 16) (<= 16 ULTIMATE.start_main_~x~4)), 118642#(and (<= 15 ULTIMATE.start_main_~x~4) (<= ULTIMATE.start_main_~x~4 15)), 118645#(and (<= 18 ULTIMATE.start_main_~x~4) (<= ULTIMATE.start_main_~x~4 18)), 118644#(and (<= ULTIMATE.start_main_~x~4 17) (<= 17 ULTIMATE.start_main_~x~4)), 118647#(and (<= 20 ULTIMATE.start_main_~x~4) (<= ULTIMATE.start_main_~x~4 20)), 118646#(and (<= 19 ULTIMATE.start_main_~x~4) (<= ULTIMATE.start_main_~x~4 19)), 118649#(and (<= ULTIMATE.start_main_~x~4 22) (<= 22 ULTIMATE.start_main_~x~4)), 118648#(and (<= ULTIMATE.start_main_~x~4 21) (<= 21 ULTIMATE.start_main_~x~4)), 118651#(and (<= ULTIMATE.start_main_~x~4 24) (<= 24 ULTIMATE.start_main_~x~4)), 118650#(and (<= ULTIMATE.start_main_~x~4 23) (<= 23 ULTIMATE.start_main_~x~4)), 118653#(and (<= ULTIMATE.start_main_~x~4 26) (<= 26 ULTIMATE.start_main_~x~4)), 118652#(and (<= ULTIMATE.start_main_~x~4 25) (<= 25 ULTIMATE.start_main_~x~4)), 118655#(and (<= ULTIMATE.start_main_~x~4 28) (<= 28 ULTIMATE.start_main_~x~4)), 118654#(and (<= ULTIMATE.start_main_~x~4 27) (<= 27 ULTIMATE.start_main_~x~4)), 118657#(and (<= ULTIMATE.start_main_~x~4 30) (<= 30 ULTIMATE.start_main_~x~4)), 118656#(and (<= 29 ULTIMATE.start_main_~x~4) (<= ULTIMATE.start_main_~x~4 29)), 118659#(and (<= ULTIMATE.start_main_~x~4 32) (<= 32 ULTIMATE.start_main_~x~4)), 118658#(and (<= ULTIMATE.start_main_~x~4 31) (<= 31 ULTIMATE.start_main_~x~4)), 118661#(and (<= 34 ULTIMATE.start_main_~x~4) (<= ULTIMATE.start_main_~x~4 34)), 118660#(and (<= ULTIMATE.start_main_~x~4 33) (<= 33 ULTIMATE.start_main_~x~4)), 118663#(and (<= 36 ULTIMATE.start_main_~x~4) (<= ULTIMATE.start_main_~x~4 36)), 118662#(and (<= ULTIMATE.start_main_~x~4 35) (<= 35 ULTIMATE.start_main_~x~4)), 118665#(and (<= 38 ULTIMATE.start_main_~x~4) (<= ULTIMATE.start_main_~x~4 38)), 118664#(and (<= ULTIMATE.start_main_~x~4 37) (<= 37 ULTIMATE.start_main_~x~4)), 118667#(and (<= ULTIMATE.start_main_~x~4 40) (<= 40 ULTIMATE.start_main_~x~4)), 118666#(and (<= ULTIMATE.start_main_~x~4 39) (<= 39 ULTIMATE.start_main_~x~4)), 118669#(and (<= ULTIMATE.start_main_~x~4 42) (<= 42 ULTIMATE.start_main_~x~4)), 118668#(and (<= ULTIMATE.start_main_~x~4 41) (<= 41 ULTIMATE.start_main_~x~4)), 118671#(and (<= 44 ULTIMATE.start_main_~x~4) (<= ULTIMATE.start_main_~x~4 44)), 118670#(and (<= ULTIMATE.start_main_~x~4 43) (<= 43 ULTIMATE.start_main_~x~4)), 118673#(and (<= ULTIMATE.start_main_~x~4 46) (<= 46 ULTIMATE.start_main_~x~4)), 118672#(and (<= 45 ULTIMATE.start_main_~x~4) (<= ULTIMATE.start_main_~x~4 45)), 118675#(and (<= 48 ULTIMATE.start_main_~x~4) (<= ULTIMATE.start_main_~x~4 48)), 118674#(and (<= 47 ULTIMATE.start_main_~x~4) (<= ULTIMATE.start_main_~x~4 47)), 118677#(and (<= ULTIMATE.start_main_~x~4 50) (<= 50 ULTIMATE.start_main_~x~4)), 118676#(and (<= 49 ULTIMATE.start_main_~x~4) (<= ULTIMATE.start_main_~x~4 49)), 118679#(and (<= ULTIMATE.start_main_~x~4 52) (<= 52 ULTIMATE.start_main_~x~4)), 118678#(and (<= 51 ULTIMATE.start_main_~x~4) (<= ULTIMATE.start_main_~x~4 51)), 118681#(and (<= ULTIMATE.start_main_~x~4 54) (<= 54 ULTIMATE.start_main_~x~4)), 118680#(and (<= 53 ULTIMATE.start_main_~x~4) (<= ULTIMATE.start_main_~x~4 53)), 118683#(and (<= 56 ULTIMATE.start_main_~x~4) (<= ULTIMATE.start_main_~x~4 56)), 118682#(and (<= 55 ULTIMATE.start_main_~x~4) (<= ULTIMATE.start_main_~x~4 55)), 118685#(and (<= 58 ULTIMATE.start_main_~x~4) (<= ULTIMATE.start_main_~x~4 58)), 118684#(and (<= 57 ULTIMATE.start_main_~x~4) (<= ULTIMATE.start_main_~x~4 57)), 118687#(and (<= 60 ULTIMATE.start_main_~x~4) (<= ULTIMATE.start_main_~x~4 60)), 118686#(and (<= ULTIMATE.start_main_~x~4 59) (<= 59 ULTIMATE.start_main_~x~4)), 118689#(and (<= ULTIMATE.start_main_~x~4 62) (<= 62 ULTIMATE.start_main_~x~4)), 118688#(and (<= 61 ULTIMATE.start_main_~x~4) (<= ULTIMATE.start_main_~x~4 61)), 118691#(and (<= ULTIMATE.start_main_~x~4 64) (<= 64 ULTIMATE.start_main_~x~4)), 118690#(and (<= 63 ULTIMATE.start_main_~x~4) (<= ULTIMATE.start_main_~x~4 63)), 118693#(and (<= 66 ULTIMATE.start_main_~x~4) (<= ULTIMATE.start_main_~x~4 66)), 118692#(and (<= 65 ULTIMATE.start_main_~x~4) (<= ULTIMATE.start_main_~x~4 65)), 118695#(and (<= ULTIMATE.start_main_~x~4 68) (<= 68 ULTIMATE.start_main_~x~4)), 118694#(and (<= 67 ULTIMATE.start_main_~x~4) (<= ULTIMATE.start_main_~x~4 67)), 118697#(and (<= ULTIMATE.start_main_~x~4 70) (<= 70 ULTIMATE.start_main_~x~4)), 118696#(and (<= 69 ULTIMATE.start_main_~x~4) (<= ULTIMATE.start_main_~x~4 69)), 118699#(and (<= 72 ULTIMATE.start_main_~x~4) (<= ULTIMATE.start_main_~x~4 72)), 118698#(and (<= 71 ULTIMATE.start_main_~x~4) (<= ULTIMATE.start_main_~x~4 71)), 118701#(and (<= 74 ULTIMATE.start_main_~x~4) (<= ULTIMATE.start_main_~x~4 74)), 118700#(and (<= ULTIMATE.start_main_~x~4 73) (<= 73 ULTIMATE.start_main_~x~4)), 118703#(and (<= ULTIMATE.start_main_~x~4 76) (<= 76 ULTIMATE.start_main_~x~4)), 118702#(and (<= ULTIMATE.start_main_~x~4 75) (<= 75 ULTIMATE.start_main_~x~4)), 118705#(and (<= ULTIMATE.start_main_~x~4 78) (<= 78 ULTIMATE.start_main_~x~4)), 118704#(and (<= ULTIMATE.start_main_~x~4 77) (<= 77 ULTIMATE.start_main_~x~4)), 118707#(and (<= ULTIMATE.start_main_~x~4 80) (<= 80 ULTIMATE.start_main_~x~4)), 118706#(and (<= 79 ULTIMATE.start_main_~x~4) (<= ULTIMATE.start_main_~x~4 79)), 118709#(and (<= ULTIMATE.start_main_~x~4 82) (<= 82 ULTIMATE.start_main_~x~4)), 118708#(and (<= ULTIMATE.start_main_~x~4 81) (<= 81 ULTIMATE.start_main_~x~4)), 118711#(and (<= ULTIMATE.start_main_~x~4 84) (<= 84 ULTIMATE.start_main_~x~4)), 118710#(and (<= 83 ULTIMATE.start_main_~x~4) (<= ULTIMATE.start_main_~x~4 83)), 118713#(and (<= 86 ULTIMATE.start_main_~x~4) (<= ULTIMATE.start_main_~x~4 86)), 118712#(and (<= 85 ULTIMATE.start_main_~x~4) (<= ULTIMATE.start_main_~x~4 85)), 118715#(and (<= 88 ULTIMATE.start_main_~x~4) (<= ULTIMATE.start_main_~x~4 88)), 118714#(and (<= ULTIMATE.start_main_~x~4 87) (<= 87 ULTIMATE.start_main_~x~4)), 118717#(and (<= ULTIMATE.start_main_~x~4 90) (<= 90 ULTIMATE.start_main_~x~4)), 118716#(and (<= ULTIMATE.start_main_~x~4 89) (<= 89 ULTIMATE.start_main_~x~4)), 118719#(and (<= ULTIMATE.start_main_~x~4 92) (<= 92 ULTIMATE.start_main_~x~4)), 118718#(and (<= ULTIMATE.start_main_~x~4 91) (<= 91 ULTIMATE.start_main_~x~4)), 118721#(and (<= ULTIMATE.start_main_~x~4 94) (<= 94 ULTIMATE.start_main_~x~4)), 118720#(and (<= ULTIMATE.start_main_~x~4 93) (<= 93 ULTIMATE.start_main_~x~4)), 118723#(and (<= ULTIMATE.start_main_~x~4 96) (<= 96 ULTIMATE.start_main_~x~4)), 118722#(and (<= 95 ULTIMATE.start_main_~x~4) (<= ULTIMATE.start_main_~x~4 95)), 118725#(and (<= ULTIMATE.start_main_~x~4 98) (<= 98 ULTIMATE.start_main_~x~4)), 118724#(and (<= 97 ULTIMATE.start_main_~x~4) (<= ULTIMATE.start_main_~x~4 97)), 118727#(and (<= ULTIMATE.start_main_~x~4 100) (<= 100 ULTIMATE.start_main_~x~4)), 118726#(and (<= 99 ULTIMATE.start_main_~x~4) (<= ULTIMATE.start_main_~x~4 99)), 118729#(and (<= 102 ULTIMATE.start_main_~x~4) (<= ULTIMATE.start_main_~x~4 102)), 118728#(and (<= ULTIMATE.start_main_~x~4 101) (<= 101 ULTIMATE.start_main_~x~4)), 118731#(and (<= ULTIMATE.start_main_~x~4 104) (<= 104 ULTIMATE.start_main_~x~4)), 118730#(and (<= 103 ULTIMATE.start_main_~x~4) (<= ULTIMATE.start_main_~x~4 103)), 118733#(and (<= 106 ULTIMATE.start_main_~x~4) (<= ULTIMATE.start_main_~x~4 106)), 118732#(and (<= 105 ULTIMATE.start_main_~x~4) (<= ULTIMATE.start_main_~x~4 105)), 118735#(and (<= 108 ULTIMATE.start_main_~x~4) (<= ULTIMATE.start_main_~x~4 108)), 118734#(and (<= 107 ULTIMATE.start_main_~x~4) (<= ULTIMATE.start_main_~x~4 107)), 118737#(and (<= 110 ULTIMATE.start_main_~x~4) (<= ULTIMATE.start_main_~x~4 110)), 118736#(and (<= ULTIMATE.start_main_~x~4 109) (<= 109 ULTIMATE.start_main_~x~4)), 118739#(and (<= ULTIMATE.start_main_~x~4 112) (<= 112 ULTIMATE.start_main_~x~4)), 118738#(and (<= ULTIMATE.start_main_~x~4 111) (<= 111 ULTIMATE.start_main_~x~4)), 118741#(and (<= ULTIMATE.start_main_~x~4 114) (<= 114 ULTIMATE.start_main_~x~4)), 118740#(and (<= 113 ULTIMATE.start_main_~x~4) (<= ULTIMATE.start_main_~x~4 113)), 118743#(and (<= ULTIMATE.start_main_~x~4 116) (<= 116 ULTIMATE.start_main_~x~4)), 118742#(and (<= ULTIMATE.start_main_~x~4 115) (<= 115 ULTIMATE.start_main_~x~4)), 118745#(and (<= 118 ULTIMATE.start_main_~x~4) (<= ULTIMATE.start_main_~x~4 118)), 118744#(and (<= ULTIMATE.start_main_~x~4 117) (<= 117 ULTIMATE.start_main_~x~4)), 118747#(and (<= 120 ULTIMATE.start_main_~x~4) (<= ULTIMATE.start_main_~x~4 120)), 118746#(and (<= 119 ULTIMATE.start_main_~x~4) (<= ULTIMATE.start_main_~x~4 119)), 118749#(and (<= 122 ULTIMATE.start_main_~x~4) (<= ULTIMATE.start_main_~x~4 122)), 118748#(and (<= 121 ULTIMATE.start_main_~x~4) (<= ULTIMATE.start_main_~x~4 121)), 118751#(and (<= ULTIMATE.start_main_~x~4 124) (<= 124 ULTIMATE.start_main_~x~4)), 118750#(and (<= ULTIMATE.start_main_~x~4 123) (<= 123 ULTIMATE.start_main_~x~4)), 118753#(and (<= 126 ULTIMATE.start_main_~x~4) (<= ULTIMATE.start_main_~x~4 126)), 118752#(and (<= 125 ULTIMATE.start_main_~x~4) (<= ULTIMATE.start_main_~x~4 125)), 118755#(and (<= 128 ULTIMATE.start_main_~x~4) (<= ULTIMATE.start_main_~x~4 128)), 118754#(and (<= ULTIMATE.start_main_~x~4 127) (<= 127 ULTIMATE.start_main_~x~4)), 118757#(and (<= ULTIMATE.start_main_~x~4 130) (<= 130 ULTIMATE.start_main_~x~4)), 118756#(and (<= 129 ULTIMATE.start_main_~x~4) (<= ULTIMATE.start_main_~x~4 129)), 118759#(and (<= 132 ULTIMATE.start_main_~x~4) (<= ULTIMATE.start_main_~x~4 132)), 118758#(and (<= 131 ULTIMATE.start_main_~x~4) (<= ULTIMATE.start_main_~x~4 131)), 118761#(and (<= 134 ULTIMATE.start_main_~x~4) (<= ULTIMATE.start_main_~x~4 134)), 118760#(and (<= ULTIMATE.start_main_~x~4 133) (<= 133 ULTIMATE.start_main_~x~4)), 118763#(and (<= ULTIMATE.start_main_~x~4 136) (<= 136 ULTIMATE.start_main_~x~4)), 118762#(and (<= 135 ULTIMATE.start_main_~x~4) (<= ULTIMATE.start_main_~x~4 135)), 118765#(and (<= 138 ULTIMATE.start_main_~x~4) (<= ULTIMATE.start_main_~x~4 138)), 118764#(and (<= 137 ULTIMATE.start_main_~x~4) (<= ULTIMATE.start_main_~x~4 137)), 118767#(and (<= 140 ULTIMATE.start_main_~x~4) (<= ULTIMATE.start_main_~x~4 140)), 118766#(and (<= 139 ULTIMATE.start_main_~x~4) (<= ULTIMATE.start_main_~x~4 139)), 118769#(and (<= 142 ULTIMATE.start_main_~x~4) (<= ULTIMATE.start_main_~x~4 142)), 118768#(and (<= 141 ULTIMATE.start_main_~x~4) (<= ULTIMATE.start_main_~x~4 141)), 118771#(and (<= ULTIMATE.start_main_~x~4 144) (<= 144 ULTIMATE.start_main_~x~4)), 118770#(and (<= ULTIMATE.start_main_~x~4 143) (<= 143 ULTIMATE.start_main_~x~4)), 118773#(and (<= ULTIMATE.start_main_~x~4 146) (<= 146 ULTIMATE.start_main_~x~4)), 118772#(and (<= ULTIMATE.start_main_~x~4 145) (<= 145 ULTIMATE.start_main_~x~4)), 118775#(and (<= ULTIMATE.start_main_~x~4 148) (<= 148 ULTIMATE.start_main_~x~4)), 118774#(and (<= 147 ULTIMATE.start_main_~x~4) (<= ULTIMATE.start_main_~x~4 147)), 118777#(and (<= 150 ULTIMATE.start_main_~x~4) (<= ULTIMATE.start_main_~x~4 150)), 118776#(and (<= 149 ULTIMATE.start_main_~x~4) (<= ULTIMATE.start_main_~x~4 149)), 118779#(and (<= 152 ULTIMATE.start_main_~x~4) (<= ULTIMATE.start_main_~x~4 152)), 118778#(and (<= ULTIMATE.start_main_~x~4 151) (<= 151 ULTIMATE.start_main_~x~4)), 118781#(and (<= ULTIMATE.start_main_~x~4 154) (<= 154 ULTIMATE.start_main_~x~4)), 118780#(and (<= ULTIMATE.start_main_~x~4 153) (<= 153 ULTIMATE.start_main_~x~4)), 118783#(and (<= ULTIMATE.start_main_~x~4 156) (<= 156 ULTIMATE.start_main_~x~4)), 118782#(and (<= 155 ULTIMATE.start_main_~x~4) (<= ULTIMATE.start_main_~x~4 155))] [2018-07-23 13:53:13,102 INFO L134 CoverageAnalysis]: Checked inductivity of 25440 backedges. 0 proven. 25440 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-07-23 13:53:13,102 INFO L450 AbstractCegarLoop]: Interpolant automaton has 162 states [2018-07-23 13:53:13,102 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 162 interpolants. [2018-07-23 13:53:13,103 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=321, Invalid=25761, Unknown=0, NotChecked=0, Total=26082 [2018-07-23 13:53:13,103 INFO L87 Difference]: Start difference. First operand 323 states and 323 transitions. Second operand 162 states. [2018-07-23 13:53:14,962 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-07-23 13:53:14,963 INFO L93 Difference]: Finished difference Result 327 states and 327 transitions. [2018-07-23 13:53:14,963 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 162 states. [2018-07-23 13:53:14,963 INFO L78 Accepts]: Start accepts. Automaton has 162 states. Word has length 322 [2018-07-23 13:53:14,963 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-07-23 13:53:14,964 INFO L225 Difference]: With dead ends: 327 [2018-07-23 13:53:14,964 INFO L226 Difference]: Without dead ends: 325 [2018-07-23 13:53:14,966 INFO L575 BasicCegarLoop]: 0 DeclaredPredicates, 161 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 160 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.9s TimeCoverageRelationStatistics Valid=321, Invalid=25761, Unknown=0, NotChecked=0, Total=26082 [2018-07-23 13:53:14,966 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 325 states. [2018-07-23 13:53:14,974 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 325 to 325. [2018-07-23 13:53:14,974 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 325 states. [2018-07-23 13:53:14,974 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 325 states to 325 states and 325 transitions. [2018-07-23 13:53:14,974 INFO L78 Accepts]: Start accepts. Automaton has 325 states and 325 transitions. Word has length 322 [2018-07-23 13:53:14,975 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-07-23 13:53:14,975 INFO L471 AbstractCegarLoop]: Abstraction has 325 states and 325 transitions. [2018-07-23 13:53:14,975 INFO L472 AbstractCegarLoop]: Interpolant automaton has 162 states. [2018-07-23 13:53:14,975 INFO L276 IsEmpty]: Start isEmpty. Operand 325 states and 325 transitions. [2018-07-23 13:53:14,976 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 325 [2018-07-23 13:53:14,976 INFO L349 BasicCegarLoop]: Found error trace [2018-07-23 13:53:14,976 INFO L357 BasicCegarLoop]: trace histogram [161, 160, 1, 1, 1] [2018-07-23 13:53:14,976 INFO L414 AbstractCegarLoop]: === Iteration 161 === [ULTIMATE.startErr0AssertViolationASSERT]=== [2018-07-23 13:53:14,976 INFO L82 PathProgramCache]: Analyzing trace with hash -692536313, now seen corresponding path program 160 times [2018-07-23 13:53:14,976 INFO L69 tionRefinementEngine]: Using refinement strategy FixedRefinementStrategy [2018-07-23 13:53:15,431 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-07-23 13:53:16,783 INFO L134 CoverageAnalysis]: Checked inductivity of 25760 backedges. 0 proven. 25760 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-07-23 13:53:16,783 INFO L309 seRefinementStrategy]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2018-07-23 13:53:16,783 INFO L324 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [162] total 162 [2018-07-23 13:53:16,784 INFO L142 lantAutomatonBuilder]: Constructing canonical interpolant automaton, with selfloop in false state [2018-07-23 13:53:16,784 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-07-23 13:53:16,784 INFO L185 omatonBuilderFactory]: Interpolants [120091#true, 120093#(and (<= ULTIMATE.start_main_~x~4 0) (<= 0 ULTIMATE.start_main_~x~4)), 120092#false, 120095#(and (<= 2 ULTIMATE.start_main_~x~4) (<= ULTIMATE.start_main_~x~4 2)), 120094#(and (<= ULTIMATE.start_main_~x~4 1) (<= 1 ULTIMATE.start_main_~x~4)), 120097#(and (<= ULTIMATE.start_main_~x~4 4) (<= 4 ULTIMATE.start_main_~x~4)), 120096#(and (<= 3 ULTIMATE.start_main_~x~4) (<= ULTIMATE.start_main_~x~4 3)), 120099#(and (<= 6 ULTIMATE.start_main_~x~4) (<= ULTIMATE.start_main_~x~4 6)), 120098#(and (<= ULTIMATE.start_main_~x~4 5) (<= 5 ULTIMATE.start_main_~x~4)), 120101#(and (<= ULTIMATE.start_main_~x~4 8) (<= 8 ULTIMATE.start_main_~x~4)), 120100#(and (<= ULTIMATE.start_main_~x~4 7) (<= 7 ULTIMATE.start_main_~x~4)), 120103#(and (<= ULTIMATE.start_main_~x~4 10) (<= 10 ULTIMATE.start_main_~x~4)), 120102#(and (<= 9 ULTIMATE.start_main_~x~4) (<= ULTIMATE.start_main_~x~4 9)), 120105#(and (<= 12 ULTIMATE.start_main_~x~4) (<= ULTIMATE.start_main_~x~4 12)), 120104#(and (<= ULTIMATE.start_main_~x~4 11) (<= 11 ULTIMATE.start_main_~x~4)), 120107#(and (<= 14 ULTIMATE.start_main_~x~4) (<= ULTIMATE.start_main_~x~4 14)), 120106#(and (<= ULTIMATE.start_main_~x~4 13) (<= 13 ULTIMATE.start_main_~x~4)), 120109#(and (<= ULTIMATE.start_main_~x~4 16) (<= 16 ULTIMATE.start_main_~x~4)), 120108#(and (<= 15 ULTIMATE.start_main_~x~4) (<= ULTIMATE.start_main_~x~4 15)), 120111#(and (<= 18 ULTIMATE.start_main_~x~4) (<= ULTIMATE.start_main_~x~4 18)), 120110#(and (<= ULTIMATE.start_main_~x~4 17) (<= 17 ULTIMATE.start_main_~x~4)), 120113#(and (<= 20 ULTIMATE.start_main_~x~4) (<= ULTIMATE.start_main_~x~4 20)), 120112#(and (<= 19 ULTIMATE.start_main_~x~4) (<= ULTIMATE.start_main_~x~4 19)), 120115#(and (<= ULTIMATE.start_main_~x~4 22) (<= 22 ULTIMATE.start_main_~x~4)), 120114#(and (<= ULTIMATE.start_main_~x~4 21) (<= 21 ULTIMATE.start_main_~x~4)), 120117#(and (<= ULTIMATE.start_main_~x~4 24) (<= 24 ULTIMATE.start_main_~x~4)), 120116#(and (<= ULTIMATE.start_main_~x~4 23) (<= 23 ULTIMATE.start_main_~x~4)), 120119#(and (<= ULTIMATE.start_main_~x~4 26) (<= 26 ULTIMATE.start_main_~x~4)), 120118#(and (<= ULTIMATE.start_main_~x~4 25) (<= 25 ULTIMATE.start_main_~x~4)), 120121#(and (<= ULTIMATE.start_main_~x~4 28) (<= 28 ULTIMATE.start_main_~x~4)), 120120#(and (<= ULTIMATE.start_main_~x~4 27) (<= 27 ULTIMATE.start_main_~x~4)), 120123#(and (<= ULTIMATE.start_main_~x~4 30) (<= 30 ULTIMATE.start_main_~x~4)), 120122#(and (<= 29 ULTIMATE.start_main_~x~4) (<= ULTIMATE.start_main_~x~4 29)), 120125#(and (<= ULTIMATE.start_main_~x~4 32) (<= 32 ULTIMATE.start_main_~x~4)), 120124#(and (<= ULTIMATE.start_main_~x~4 31) (<= 31 ULTIMATE.start_main_~x~4)), 120127#(and (<= 34 ULTIMATE.start_main_~x~4) (<= ULTIMATE.start_main_~x~4 34)), 120126#(and (<= ULTIMATE.start_main_~x~4 33) (<= 33 ULTIMATE.start_main_~x~4)), 120129#(and (<= 36 ULTIMATE.start_main_~x~4) (<= ULTIMATE.start_main_~x~4 36)), 120128#(and (<= ULTIMATE.start_main_~x~4 35) (<= 35 ULTIMATE.start_main_~x~4)), 120131#(and (<= 38 ULTIMATE.start_main_~x~4) (<= ULTIMATE.start_main_~x~4 38)), 120130#(and (<= ULTIMATE.start_main_~x~4 37) (<= 37 ULTIMATE.start_main_~x~4)), 120133#(and (<= ULTIMATE.start_main_~x~4 40) (<= 40 ULTIMATE.start_main_~x~4)), 120132#(and (<= ULTIMATE.start_main_~x~4 39) (<= 39 ULTIMATE.start_main_~x~4)), 120135#(and (<= ULTIMATE.start_main_~x~4 42) (<= 42 ULTIMATE.start_main_~x~4)), 120134#(and (<= ULTIMATE.start_main_~x~4 41) (<= 41 ULTIMATE.start_main_~x~4)), 120137#(and (<= 44 ULTIMATE.start_main_~x~4) (<= ULTIMATE.start_main_~x~4 44)), 120136#(and (<= ULTIMATE.start_main_~x~4 43) (<= 43 ULTIMATE.start_main_~x~4)), 120139#(and (<= ULTIMATE.start_main_~x~4 46) (<= 46 ULTIMATE.start_main_~x~4)), 120138#(and (<= 45 ULTIMATE.start_main_~x~4) (<= ULTIMATE.start_main_~x~4 45)), 120141#(and (<= 48 ULTIMATE.start_main_~x~4) (<= ULTIMATE.start_main_~x~4 48)), 120140#(and (<= 47 ULTIMATE.start_main_~x~4) (<= ULTIMATE.start_main_~x~4 47)), 120143#(and (<= ULTIMATE.start_main_~x~4 50) (<= 50 ULTIMATE.start_main_~x~4)), 120142#(and (<= 49 ULTIMATE.start_main_~x~4) (<= ULTIMATE.start_main_~x~4 49)), 120145#(and (<= ULTIMATE.start_main_~x~4 52) (<= 52 ULTIMATE.start_main_~x~4)), 120144#(and (<= 51 ULTIMATE.start_main_~x~4) (<= ULTIMATE.start_main_~x~4 51)), 120147#(and (<= ULTIMATE.start_main_~x~4 54) (<= 54 ULTIMATE.start_main_~x~4)), 120146#(and (<= 53 ULTIMATE.start_main_~x~4) (<= ULTIMATE.start_main_~x~4 53)), 120149#(and (<= 56 ULTIMATE.start_main_~x~4) (<= ULTIMATE.start_main_~x~4 56)), 120148#(and (<= 55 ULTIMATE.start_main_~x~4) (<= ULTIMATE.start_main_~x~4 55)), 120151#(and (<= 58 ULTIMATE.start_main_~x~4) (<= ULTIMATE.start_main_~x~4 58)), 120150#(and (<= 57 ULTIMATE.start_main_~x~4) (<= ULTIMATE.start_main_~x~4 57)), 120153#(and (<= 60 ULTIMATE.start_main_~x~4) (<= ULTIMATE.start_main_~x~4 60)), 120152#(and (<= ULTIMATE.start_main_~x~4 59) (<= 59 ULTIMATE.start_main_~x~4)), 120155#(and (<= ULTIMATE.start_main_~x~4 62) (<= 62 ULTIMATE.start_main_~x~4)), 120154#(and (<= 61 ULTIMATE.start_main_~x~4) (<= ULTIMATE.start_main_~x~4 61)), 120157#(and (<= ULTIMATE.start_main_~x~4 64) (<= 64 ULTIMATE.start_main_~x~4)), 120156#(and (<= 63 ULTIMATE.start_main_~x~4) (<= ULTIMATE.start_main_~x~4 63)), 120159#(and (<= 66 ULTIMATE.start_main_~x~4) (<= ULTIMATE.start_main_~x~4 66)), 120158#(and (<= 65 ULTIMATE.start_main_~x~4) (<= ULTIMATE.start_main_~x~4 65)), 120161#(and (<= ULTIMATE.start_main_~x~4 68) (<= 68 ULTIMATE.start_main_~x~4)), 120160#(and (<= 67 ULTIMATE.start_main_~x~4) (<= ULTIMATE.start_main_~x~4 67)), 120163#(and (<= ULTIMATE.start_main_~x~4 70) (<= 70 ULTIMATE.start_main_~x~4)), 120162#(and (<= 69 ULTIMATE.start_main_~x~4) (<= ULTIMATE.start_main_~x~4 69)), 120165#(and (<= 72 ULTIMATE.start_main_~x~4) (<= ULTIMATE.start_main_~x~4 72)), 120164#(and (<= 71 ULTIMATE.start_main_~x~4) (<= ULTIMATE.start_main_~x~4 71)), 120167#(and (<= 74 ULTIMATE.start_main_~x~4) (<= ULTIMATE.start_main_~x~4 74)), 120166#(and (<= ULTIMATE.start_main_~x~4 73) (<= 73 ULTIMATE.start_main_~x~4)), 120169#(and (<= ULTIMATE.start_main_~x~4 76) (<= 76 ULTIMATE.start_main_~x~4)), 120168#(and (<= ULTIMATE.start_main_~x~4 75) (<= 75 ULTIMATE.start_main_~x~4)), 120171#(and (<= ULTIMATE.start_main_~x~4 78) (<= 78 ULTIMATE.start_main_~x~4)), 120170#(and (<= ULTIMATE.start_main_~x~4 77) (<= 77 ULTIMATE.start_main_~x~4)), 120173#(and (<= ULTIMATE.start_main_~x~4 80) (<= 80 ULTIMATE.start_main_~x~4)), 120172#(and (<= 79 ULTIMATE.start_main_~x~4) (<= ULTIMATE.start_main_~x~4 79)), 120175#(and (<= ULTIMATE.start_main_~x~4 82) (<= 82 ULTIMATE.start_main_~x~4)), 120174#(and (<= ULTIMATE.start_main_~x~4 81) (<= 81 ULTIMATE.start_main_~x~4)), 120177#(and (<= ULTIMATE.start_main_~x~4 84) (<= 84 ULTIMATE.start_main_~x~4)), 120176#(and (<= 83 ULTIMATE.start_main_~x~4) (<= ULTIMATE.start_main_~x~4 83)), 120179#(and (<= 86 ULTIMATE.start_main_~x~4) (<= ULTIMATE.start_main_~x~4 86)), 120178#(and (<= 85 ULTIMATE.start_main_~x~4) (<= ULTIMATE.start_main_~x~4 85)), 120181#(and (<= 88 ULTIMATE.start_main_~x~4) (<= ULTIMATE.start_main_~x~4 88)), 120180#(and (<= ULTIMATE.start_main_~x~4 87) (<= 87 ULTIMATE.start_main_~x~4)), 120183#(and (<= ULTIMATE.start_main_~x~4 90) (<= 90 ULTIMATE.start_main_~x~4)), 120182#(and (<= ULTIMATE.start_main_~x~4 89) (<= 89 ULTIMATE.start_main_~x~4)), 120185#(and (<= ULTIMATE.start_main_~x~4 92) (<= 92 ULTIMATE.start_main_~x~4)), 120184#(and (<= ULTIMATE.start_main_~x~4 91) (<= 91 ULTIMATE.start_main_~x~4)), 120187#(and (<= ULTIMATE.start_main_~x~4 94) (<= 94 ULTIMATE.start_main_~x~4)), 120186#(and (<= ULTIMATE.start_main_~x~4 93) (<= 93 ULTIMATE.start_main_~x~4)), 120189#(and (<= ULTIMATE.start_main_~x~4 96) (<= 96 ULTIMATE.start_main_~x~4)), 120188#(and (<= 95 ULTIMATE.start_main_~x~4) (<= ULTIMATE.start_main_~x~4 95)), 120191#(and (<= ULTIMATE.start_main_~x~4 98) (<= 98 ULTIMATE.start_main_~x~4)), 120190#(and (<= 97 ULTIMATE.start_main_~x~4) (<= ULTIMATE.start_main_~x~4 97)), 120193#(and (<= ULTIMATE.start_main_~x~4 100) (<= 100 ULTIMATE.start_main_~x~4)), 120192#(and (<= 99 ULTIMATE.start_main_~x~4) (<= ULTIMATE.start_main_~x~4 99)), 120195#(and (<= 102 ULTIMATE.start_main_~x~4) (<= ULTIMATE.start_main_~x~4 102)), 120194#(and (<= ULTIMATE.start_main_~x~4 101) (<= 101 ULTIMATE.start_main_~x~4)), 120197#(and (<= ULTIMATE.start_main_~x~4 104) (<= 104 ULTIMATE.start_main_~x~4)), 120196#(and (<= 103 ULTIMATE.start_main_~x~4) (<= ULTIMATE.start_main_~x~4 103)), 120199#(and (<= 106 ULTIMATE.start_main_~x~4) (<= ULTIMATE.start_main_~x~4 106)), 120198#(and (<= 105 ULTIMATE.start_main_~x~4) (<= ULTIMATE.start_main_~x~4 105)), 120201#(and (<= 108 ULTIMATE.start_main_~x~4) (<= ULTIMATE.start_main_~x~4 108)), 120200#(and (<= 107 ULTIMATE.start_main_~x~4) (<= ULTIMATE.start_main_~x~4 107)), 120203#(and (<= 110 ULTIMATE.start_main_~x~4) (<= ULTIMATE.start_main_~x~4 110)), 120202#(and (<= ULTIMATE.start_main_~x~4 109) (<= 109 ULTIMATE.start_main_~x~4)), 120205#(and (<= ULTIMATE.start_main_~x~4 112) (<= 112 ULTIMATE.start_main_~x~4)), 120204#(and (<= ULTIMATE.start_main_~x~4 111) (<= 111 ULTIMATE.start_main_~x~4)), 120207#(and (<= ULTIMATE.start_main_~x~4 114) (<= 114 ULTIMATE.start_main_~x~4)), 120206#(and (<= 113 ULTIMATE.start_main_~x~4) (<= ULTIMATE.start_main_~x~4 113)), 120209#(and (<= ULTIMATE.start_main_~x~4 116) (<= 116 ULTIMATE.start_main_~x~4)), 120208#(and (<= ULTIMATE.start_main_~x~4 115) (<= 115 ULTIMATE.start_main_~x~4)), 120211#(and (<= 118 ULTIMATE.start_main_~x~4) (<= ULTIMATE.start_main_~x~4 118)), 120210#(and (<= ULTIMATE.start_main_~x~4 117) (<= 117 ULTIMATE.start_main_~x~4)), 120213#(and (<= 120 ULTIMATE.start_main_~x~4) (<= ULTIMATE.start_main_~x~4 120)), 120212#(and (<= 119 ULTIMATE.start_main_~x~4) (<= ULTIMATE.start_main_~x~4 119)), 120215#(and (<= 122 ULTIMATE.start_main_~x~4) (<= ULTIMATE.start_main_~x~4 122)), 120214#(and (<= 121 ULTIMATE.start_main_~x~4) (<= ULTIMATE.start_main_~x~4 121)), 120217#(and (<= ULTIMATE.start_main_~x~4 124) (<= 124 ULTIMATE.start_main_~x~4)), 120216#(and (<= ULTIMATE.start_main_~x~4 123) (<= 123 ULTIMATE.start_main_~x~4)), 120219#(and (<= 126 ULTIMATE.start_main_~x~4) (<= ULTIMATE.start_main_~x~4 126)), 120218#(and (<= 125 ULTIMATE.start_main_~x~4) (<= ULTIMATE.start_main_~x~4 125)), 120221#(and (<= 128 ULTIMATE.start_main_~x~4) (<= ULTIMATE.start_main_~x~4 128)), 120220#(and (<= ULTIMATE.start_main_~x~4 127) (<= 127 ULTIMATE.start_main_~x~4)), 120223#(and (<= ULTIMATE.start_main_~x~4 130) (<= 130 ULTIMATE.start_main_~x~4)), 120222#(and (<= 129 ULTIMATE.start_main_~x~4) (<= ULTIMATE.start_main_~x~4 129)), 120225#(and (<= 132 ULTIMATE.start_main_~x~4) (<= ULTIMATE.start_main_~x~4 132)), 120224#(and (<= 131 ULTIMATE.start_main_~x~4) (<= ULTIMATE.start_main_~x~4 131)), 120227#(and (<= 134 ULTIMATE.start_main_~x~4) (<= ULTIMATE.start_main_~x~4 134)), 120226#(and (<= ULTIMATE.start_main_~x~4 133) (<= 133 ULTIMATE.start_main_~x~4)), 120229#(and (<= ULTIMATE.start_main_~x~4 136) (<= 136 ULTIMATE.start_main_~x~4)), 120228#(and (<= 135 ULTIMATE.start_main_~x~4) (<= ULTIMATE.start_main_~x~4 135)), 120231#(and (<= 138 ULTIMATE.start_main_~x~4) (<= ULTIMATE.start_main_~x~4 138)), 120230#(and (<= 137 ULTIMATE.start_main_~x~4) (<= ULTIMATE.start_main_~x~4 137)), 120233#(and (<= 140 ULTIMATE.start_main_~x~4) (<= ULTIMATE.start_main_~x~4 140)), 120232#(and (<= 139 ULTIMATE.start_main_~x~4) (<= ULTIMATE.start_main_~x~4 139)), 120235#(and (<= 142 ULTIMATE.start_main_~x~4) (<= ULTIMATE.start_main_~x~4 142)), 120234#(and (<= 141 ULTIMATE.start_main_~x~4) (<= ULTIMATE.start_main_~x~4 141)), 120237#(and (<= ULTIMATE.start_main_~x~4 144) (<= 144 ULTIMATE.start_main_~x~4)), 120236#(and (<= ULTIMATE.start_main_~x~4 143) (<= 143 ULTIMATE.start_main_~x~4)), 120239#(and (<= ULTIMATE.start_main_~x~4 146) (<= 146 ULTIMATE.start_main_~x~4)), 120238#(and (<= ULTIMATE.start_main_~x~4 145) (<= 145 ULTIMATE.start_main_~x~4)), 120241#(and (<= ULTIMATE.start_main_~x~4 148) (<= 148 ULTIMATE.start_main_~x~4)), 120240#(and (<= 147 ULTIMATE.start_main_~x~4) (<= ULTIMATE.start_main_~x~4 147)), 120243#(and (<= 150 ULTIMATE.start_main_~x~4) (<= ULTIMATE.start_main_~x~4 150)), 120242#(and (<= 149 ULTIMATE.start_main_~x~4) (<= ULTIMATE.start_main_~x~4 149)), 120245#(and (<= 152 ULTIMATE.start_main_~x~4) (<= ULTIMATE.start_main_~x~4 152)), 120244#(and (<= ULTIMATE.start_main_~x~4 151) (<= 151 ULTIMATE.start_main_~x~4)), 120247#(and (<= ULTIMATE.start_main_~x~4 154) (<= 154 ULTIMATE.start_main_~x~4)), 120246#(and (<= ULTIMATE.start_main_~x~4 153) (<= 153 ULTIMATE.start_main_~x~4)), 120249#(and (<= ULTIMATE.start_main_~x~4 156) (<= 156 ULTIMATE.start_main_~x~4)), 120248#(and (<= 155 ULTIMATE.start_main_~x~4) (<= ULTIMATE.start_main_~x~4 155)), 120251#(and (<= 158 ULTIMATE.start_main_~x~4) (<= ULTIMATE.start_main_~x~4 158)), 120250#(and (<= ULTIMATE.start_main_~x~4 157) (<= 157 ULTIMATE.start_main_~x~4)), 120253#(and (<= ULTIMATE.start_main_~x~4 160) (<= 160 ULTIMATE.start_main_~x~4)), 120252#(and (<= ULTIMATE.start_main_~x~4 159) (<= 159 ULTIMATE.start_main_~x~4))] [2018-07-23 13:53:16,786 INFO L134 CoverageAnalysis]: Checked inductivity of 25760 backedges. 0 proven. 25760 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-07-23 13:53:16,786 INFO L450 AbstractCegarLoop]: Interpolant automaton has 163 states [2018-07-23 13:53:16,786 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 163 interpolants. [2018-07-23 13:53:16,787 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=323, Invalid=26083, Unknown=0, NotChecked=0, Total=26406 [2018-07-23 13:53:16,787 INFO L87 Difference]: Start difference. First operand 325 states and 325 transitions. Second operand 163 states. [2018-07-23 13:53:18,652 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-07-23 13:53:18,652 INFO L93 Difference]: Finished difference Result 329 states and 329 transitions. [2018-07-23 13:53:18,652 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 163 states. [2018-07-23 13:53:18,652 INFO L78 Accepts]: Start accepts. Automaton has 163 states. Word has length 324 [2018-07-23 13:53:18,652 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-07-23 13:53:18,653 INFO L225 Difference]: With dead ends: 329 [2018-07-23 13:53:18,653 INFO L226 Difference]: Without dead ends: 327 [2018-07-23 13:53:18,655 INFO L575 BasicCegarLoop]: 0 DeclaredPredicates, 162 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 161 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 1.0s TimeCoverageRelationStatistics Valid=323, Invalid=26083, Unknown=0, NotChecked=0, Total=26406 [2018-07-23 13:53:18,655 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 327 states. [2018-07-23 13:53:18,663 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 327 to 327. [2018-07-23 13:53:18,663 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 327 states. [2018-07-23 13:53:18,663 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 327 states to 327 states and 327 transitions. [2018-07-23 13:53:18,663 INFO L78 Accepts]: Start accepts. Automaton has 327 states and 327 transitions. Word has length 324 [2018-07-23 13:53:18,663 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-07-23 13:53:18,663 INFO L471 AbstractCegarLoop]: Abstraction has 327 states and 327 transitions. [2018-07-23 13:53:18,664 INFO L472 AbstractCegarLoop]: Interpolant automaton has 163 states. [2018-07-23 13:53:18,664 INFO L276 IsEmpty]: Start isEmpty. Operand 327 states and 327 transitions. [2018-07-23 13:53:18,664 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 327 [2018-07-23 13:53:18,665 INFO L349 BasicCegarLoop]: Found error trace [2018-07-23 13:53:18,665 INFO L357 BasicCegarLoop]: trace histogram [162, 161, 1, 1, 1] [2018-07-23 13:53:18,665 INFO L414 AbstractCegarLoop]: === Iteration 162 === [ULTIMATE.startErr0AssertViolationASSERT]=== [2018-07-23 13:53:18,665 INFO L82 PathProgramCache]: Analyzing trace with hash 192586177, now seen corresponding path program 161 times [2018-07-23 13:53:18,665 INFO L69 tionRefinementEngine]: Using refinement strategy FixedRefinementStrategy [2018-07-23 13:53:19,084 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-07-23 13:53:20,471 INFO L134 CoverageAnalysis]: Checked inductivity of 26082 backedges. 0 proven. 26082 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-07-23 13:53:20,471 INFO L309 seRefinementStrategy]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2018-07-23 13:53:20,472 INFO L324 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [163] total 163 [2018-07-23 13:53:20,472 INFO L142 lantAutomatonBuilder]: Constructing canonical interpolant automaton, with selfloop in false state [2018-07-23 13:53:20,472 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-07-23 13:53:20,473 INFO L185 omatonBuilderFactory]: Interpolants [121601#(and (<= ULTIMATE.start_main_~x~4 33) (<= 33 ULTIMATE.start_main_~x~4)), 121600#(and (<= ULTIMATE.start_main_~x~4 32) (<= 32 ULTIMATE.start_main_~x~4)), 121603#(and (<= ULTIMATE.start_main_~x~4 35) (<= 35 ULTIMATE.start_main_~x~4)), 121602#(and (<= 34 ULTIMATE.start_main_~x~4) (<= ULTIMATE.start_main_~x~4 34)), 121605#(and (<= ULTIMATE.start_main_~x~4 37) (<= 37 ULTIMATE.start_main_~x~4)), 121604#(and (<= 36 ULTIMATE.start_main_~x~4) (<= ULTIMATE.start_main_~x~4 36)), 121607#(and (<= ULTIMATE.start_main_~x~4 39) (<= 39 ULTIMATE.start_main_~x~4)), 121606#(and (<= 38 ULTIMATE.start_main_~x~4) (<= ULTIMATE.start_main_~x~4 38)), 121609#(and (<= ULTIMATE.start_main_~x~4 41) (<= 41 ULTIMATE.start_main_~x~4)), 121608#(and (<= ULTIMATE.start_main_~x~4 40) (<= 40 ULTIMATE.start_main_~x~4)), 121611#(and (<= ULTIMATE.start_main_~x~4 43) (<= 43 ULTIMATE.start_main_~x~4)), 121610#(and (<= ULTIMATE.start_main_~x~4 42) (<= 42 ULTIMATE.start_main_~x~4)), 121613#(and (<= 45 ULTIMATE.start_main_~x~4) (<= ULTIMATE.start_main_~x~4 45)), 121612#(and (<= 44 ULTIMATE.start_main_~x~4) (<= ULTIMATE.start_main_~x~4 44)), 121615#(and (<= 47 ULTIMATE.start_main_~x~4) (<= ULTIMATE.start_main_~x~4 47)), 121614#(and (<= ULTIMATE.start_main_~x~4 46) (<= 46 ULTIMATE.start_main_~x~4)), 121617#(and (<= 49 ULTIMATE.start_main_~x~4) (<= ULTIMATE.start_main_~x~4 49)), 121616#(and (<= 48 ULTIMATE.start_main_~x~4) (<= ULTIMATE.start_main_~x~4 48)), 121619#(and (<= 51 ULTIMATE.start_main_~x~4) (<= ULTIMATE.start_main_~x~4 51)), 121618#(and (<= ULTIMATE.start_main_~x~4 50) (<= 50 ULTIMATE.start_main_~x~4)), 121621#(and (<= 53 ULTIMATE.start_main_~x~4) (<= ULTIMATE.start_main_~x~4 53)), 121620#(and (<= ULTIMATE.start_main_~x~4 52) (<= 52 ULTIMATE.start_main_~x~4)), 121623#(and (<= 55 ULTIMATE.start_main_~x~4) (<= ULTIMATE.start_main_~x~4 55)), 121622#(and (<= ULTIMATE.start_main_~x~4 54) (<= 54 ULTIMATE.start_main_~x~4)), 121625#(and (<= 57 ULTIMATE.start_main_~x~4) (<= ULTIMATE.start_main_~x~4 57)), 121624#(and (<= 56 ULTIMATE.start_main_~x~4) (<= ULTIMATE.start_main_~x~4 56)), 121627#(and (<= ULTIMATE.start_main_~x~4 59) (<= 59 ULTIMATE.start_main_~x~4)), 121626#(and (<= 58 ULTIMATE.start_main_~x~4) (<= ULTIMATE.start_main_~x~4 58)), 121629#(and (<= 61 ULTIMATE.start_main_~x~4) (<= ULTIMATE.start_main_~x~4 61)), 121628#(and (<= 60 ULTIMATE.start_main_~x~4) (<= ULTIMATE.start_main_~x~4 60)), 121631#(and (<= 63 ULTIMATE.start_main_~x~4) (<= ULTIMATE.start_main_~x~4 63)), 121630#(and (<= ULTIMATE.start_main_~x~4 62) (<= 62 ULTIMATE.start_main_~x~4)), 121633#(and (<= 65 ULTIMATE.start_main_~x~4) (<= ULTIMATE.start_main_~x~4 65)), 121632#(and (<= ULTIMATE.start_main_~x~4 64) (<= 64 ULTIMATE.start_main_~x~4)), 121635#(and (<= 67 ULTIMATE.start_main_~x~4) (<= ULTIMATE.start_main_~x~4 67)), 121634#(and (<= 66 ULTIMATE.start_main_~x~4) (<= ULTIMATE.start_main_~x~4 66)), 121637#(and (<= 69 ULTIMATE.start_main_~x~4) (<= ULTIMATE.start_main_~x~4 69)), 121636#(and (<= ULTIMATE.start_main_~x~4 68) (<= 68 ULTIMATE.start_main_~x~4)), 121639#(and (<= 71 ULTIMATE.start_main_~x~4) (<= ULTIMATE.start_main_~x~4 71)), 121638#(and (<= ULTIMATE.start_main_~x~4 70) (<= 70 ULTIMATE.start_main_~x~4)), 121641#(and (<= ULTIMATE.start_main_~x~4 73) (<= 73 ULTIMATE.start_main_~x~4)), 121640#(and (<= 72 ULTIMATE.start_main_~x~4) (<= ULTIMATE.start_main_~x~4 72)), 121643#(and (<= ULTIMATE.start_main_~x~4 75) (<= 75 ULTIMATE.start_main_~x~4)), 121642#(and (<= 74 ULTIMATE.start_main_~x~4) (<= ULTIMATE.start_main_~x~4 74)), 121645#(and (<= ULTIMATE.start_main_~x~4 77) (<= 77 ULTIMATE.start_main_~x~4)), 121644#(and (<= ULTIMATE.start_main_~x~4 76) (<= 76 ULTIMATE.start_main_~x~4)), 121647#(and (<= 79 ULTIMATE.start_main_~x~4) (<= ULTIMATE.start_main_~x~4 79)), 121646#(and (<= ULTIMATE.start_main_~x~4 78) (<= 78 ULTIMATE.start_main_~x~4)), 121649#(and (<= ULTIMATE.start_main_~x~4 81) (<= 81 ULTIMATE.start_main_~x~4)), 121648#(and (<= ULTIMATE.start_main_~x~4 80) (<= 80 ULTIMATE.start_main_~x~4)), 121651#(and (<= 83 ULTIMATE.start_main_~x~4) (<= ULTIMATE.start_main_~x~4 83)), 121650#(and (<= ULTIMATE.start_main_~x~4 82) (<= 82 ULTIMATE.start_main_~x~4)), 121653#(and (<= 85 ULTIMATE.start_main_~x~4) (<= ULTIMATE.start_main_~x~4 85)), 121652#(and (<= ULTIMATE.start_main_~x~4 84) (<= 84 ULTIMATE.start_main_~x~4)), 121655#(and (<= ULTIMATE.start_main_~x~4 87) (<= 87 ULTIMATE.start_main_~x~4)), 121654#(and (<= 86 ULTIMATE.start_main_~x~4) (<= ULTIMATE.start_main_~x~4 86)), 121657#(and (<= ULTIMATE.start_main_~x~4 89) (<= 89 ULTIMATE.start_main_~x~4)), 121656#(and (<= 88 ULTIMATE.start_main_~x~4) (<= ULTIMATE.start_main_~x~4 88)), 121659#(and (<= ULTIMATE.start_main_~x~4 91) (<= 91 ULTIMATE.start_main_~x~4)), 121658#(and (<= ULTIMATE.start_main_~x~4 90) (<= 90 ULTIMATE.start_main_~x~4)), 121661#(and (<= ULTIMATE.start_main_~x~4 93) (<= 93 ULTIMATE.start_main_~x~4)), 121660#(and (<= ULTIMATE.start_main_~x~4 92) (<= 92 ULTIMATE.start_main_~x~4)), 121663#(and (<= 95 ULTIMATE.start_main_~x~4) (<= ULTIMATE.start_main_~x~4 95)), 121662#(and (<= ULTIMATE.start_main_~x~4 94) (<= 94 ULTIMATE.start_main_~x~4)), 121665#(and (<= 97 ULTIMATE.start_main_~x~4) (<= ULTIMATE.start_main_~x~4 97)), 121664#(and (<= ULTIMATE.start_main_~x~4 96) (<= 96 ULTIMATE.start_main_~x~4)), 121667#(and (<= 99 ULTIMATE.start_main_~x~4) (<= ULTIMATE.start_main_~x~4 99)), 121666#(and (<= ULTIMATE.start_main_~x~4 98) (<= 98 ULTIMATE.start_main_~x~4)), 121669#(and (<= ULTIMATE.start_main_~x~4 101) (<= 101 ULTIMATE.start_main_~x~4)), 121668#(and (<= ULTIMATE.start_main_~x~4 100) (<= 100 ULTIMATE.start_main_~x~4)), 121671#(and (<= 103 ULTIMATE.start_main_~x~4) (<= ULTIMATE.start_main_~x~4 103)), 121670#(and (<= 102 ULTIMATE.start_main_~x~4) (<= ULTIMATE.start_main_~x~4 102)), 121673#(and (<= 105 ULTIMATE.start_main_~x~4) (<= ULTIMATE.start_main_~x~4 105)), 121672#(and (<= ULTIMATE.start_main_~x~4 104) (<= 104 ULTIMATE.start_main_~x~4)), 121675#(and (<= 107 ULTIMATE.start_main_~x~4) (<= ULTIMATE.start_main_~x~4 107)), 121674#(and (<= 106 ULTIMATE.start_main_~x~4) (<= ULTIMATE.start_main_~x~4 106)), 121677#(and (<= ULTIMATE.start_main_~x~4 109) (<= 109 ULTIMATE.start_main_~x~4)), 121676#(and (<= 108 ULTIMATE.start_main_~x~4) (<= ULTIMATE.start_main_~x~4 108)), 121679#(and (<= ULTIMATE.start_main_~x~4 111) (<= 111 ULTIMATE.start_main_~x~4)), 121678#(and (<= 110 ULTIMATE.start_main_~x~4) (<= ULTIMATE.start_main_~x~4 110)), 121681#(and (<= 113 ULTIMATE.start_main_~x~4) (<= ULTIMATE.start_main_~x~4 113)), 121680#(and (<= ULTIMATE.start_main_~x~4 112) (<= 112 ULTIMATE.start_main_~x~4)), 121683#(and (<= ULTIMATE.start_main_~x~4 115) (<= 115 ULTIMATE.start_main_~x~4)), 121682#(and (<= ULTIMATE.start_main_~x~4 114) (<= 114 ULTIMATE.start_main_~x~4)), 121685#(and (<= ULTIMATE.start_main_~x~4 117) (<= 117 ULTIMATE.start_main_~x~4)), 121684#(and (<= ULTIMATE.start_main_~x~4 116) (<= 116 ULTIMATE.start_main_~x~4)), 121687#(and (<= 119 ULTIMATE.start_main_~x~4) (<= ULTIMATE.start_main_~x~4 119)), 121686#(and (<= 118 ULTIMATE.start_main_~x~4) (<= ULTIMATE.start_main_~x~4 118)), 121689#(and (<= 121 ULTIMATE.start_main_~x~4) (<= ULTIMATE.start_main_~x~4 121)), 121688#(and (<= 120 ULTIMATE.start_main_~x~4) (<= ULTIMATE.start_main_~x~4 120)), 121691#(and (<= ULTIMATE.start_main_~x~4 123) (<= 123 ULTIMATE.start_main_~x~4)), 121690#(and (<= 122 ULTIMATE.start_main_~x~4) (<= ULTIMATE.start_main_~x~4 122)), 121693#(and (<= 125 ULTIMATE.start_main_~x~4) (<= ULTIMATE.start_main_~x~4 125)), 121692#(and (<= ULTIMATE.start_main_~x~4 124) (<= 124 ULTIMATE.start_main_~x~4)), 121695#(and (<= ULTIMATE.start_main_~x~4 127) (<= 127 ULTIMATE.start_main_~x~4)), 121694#(and (<= 126 ULTIMATE.start_main_~x~4) (<= ULTIMATE.start_main_~x~4 126)), 121697#(and (<= 129 ULTIMATE.start_main_~x~4) (<= ULTIMATE.start_main_~x~4 129)), 121696#(and (<= 128 ULTIMATE.start_main_~x~4) (<= ULTIMATE.start_main_~x~4 128)), 121699#(and (<= 131 ULTIMATE.start_main_~x~4) (<= ULTIMATE.start_main_~x~4 131)), 121698#(and (<= ULTIMATE.start_main_~x~4 130) (<= 130 ULTIMATE.start_main_~x~4)), 121701#(and (<= ULTIMATE.start_main_~x~4 133) (<= 133 ULTIMATE.start_main_~x~4)), 121700#(and (<= 132 ULTIMATE.start_main_~x~4) (<= ULTIMATE.start_main_~x~4 132)), 121703#(and (<= 135 ULTIMATE.start_main_~x~4) (<= ULTIMATE.start_main_~x~4 135)), 121702#(and (<= 134 ULTIMATE.start_main_~x~4) (<= ULTIMATE.start_main_~x~4 134)), 121705#(and (<= 137 ULTIMATE.start_main_~x~4) (<= ULTIMATE.start_main_~x~4 137)), 121704#(and (<= ULTIMATE.start_main_~x~4 136) (<= 136 ULTIMATE.start_main_~x~4)), 121707#(and (<= 139 ULTIMATE.start_main_~x~4) (<= ULTIMATE.start_main_~x~4 139)), 121706#(and (<= 138 ULTIMATE.start_main_~x~4) (<= ULTIMATE.start_main_~x~4 138)), 121709#(and (<= 141 ULTIMATE.start_main_~x~4) (<= ULTIMATE.start_main_~x~4 141)), 121708#(and (<= 140 ULTIMATE.start_main_~x~4) (<= ULTIMATE.start_main_~x~4 140)), 121711#(and (<= ULTIMATE.start_main_~x~4 143) (<= 143 ULTIMATE.start_main_~x~4)), 121710#(and (<= 142 ULTIMATE.start_main_~x~4) (<= ULTIMATE.start_main_~x~4 142)), 121713#(and (<= ULTIMATE.start_main_~x~4 145) (<= 145 ULTIMATE.start_main_~x~4)), 121712#(and (<= ULTIMATE.start_main_~x~4 144) (<= 144 ULTIMATE.start_main_~x~4)), 121715#(and (<= 147 ULTIMATE.start_main_~x~4) (<= ULTIMATE.start_main_~x~4 147)), 121714#(and (<= ULTIMATE.start_main_~x~4 146) (<= 146 ULTIMATE.start_main_~x~4)), 121717#(and (<= 149 ULTIMATE.start_main_~x~4) (<= ULTIMATE.start_main_~x~4 149)), 121716#(and (<= ULTIMATE.start_main_~x~4 148) (<= 148 ULTIMATE.start_main_~x~4)), 121719#(and (<= ULTIMATE.start_main_~x~4 151) (<= 151 ULTIMATE.start_main_~x~4)), 121718#(and (<= 150 ULTIMATE.start_main_~x~4) (<= ULTIMATE.start_main_~x~4 150)), 121721#(and (<= ULTIMATE.start_main_~x~4 153) (<= 153 ULTIMATE.start_main_~x~4)), 121720#(and (<= 152 ULTIMATE.start_main_~x~4) (<= ULTIMATE.start_main_~x~4 152)), 121723#(and (<= 155 ULTIMATE.start_main_~x~4) (<= ULTIMATE.start_main_~x~4 155)), 121722#(and (<= ULTIMATE.start_main_~x~4 154) (<= 154 ULTIMATE.start_main_~x~4)), 121725#(and (<= ULTIMATE.start_main_~x~4 157) (<= 157 ULTIMATE.start_main_~x~4)), 121724#(and (<= ULTIMATE.start_main_~x~4 156) (<= 156 ULTIMATE.start_main_~x~4)), 121727#(and (<= ULTIMATE.start_main_~x~4 159) (<= 159 ULTIMATE.start_main_~x~4)), 121726#(and (<= 158 ULTIMATE.start_main_~x~4) (<= ULTIMATE.start_main_~x~4 158)), 121729#(and (<= 161 ULTIMATE.start_main_~x~4) (<= ULTIMATE.start_main_~x~4 161)), 121728#(and (<= ULTIMATE.start_main_~x~4 160) (<= 160 ULTIMATE.start_main_~x~4)), 121567#false, 121566#true, 121569#(and (<= ULTIMATE.start_main_~x~4 1) (<= 1 ULTIMATE.start_main_~x~4)), 121568#(and (<= ULTIMATE.start_main_~x~4 0) (<= 0 ULTIMATE.start_main_~x~4)), 121571#(and (<= 3 ULTIMATE.start_main_~x~4) (<= ULTIMATE.start_main_~x~4 3)), 121570#(and (<= 2 ULTIMATE.start_main_~x~4) (<= ULTIMATE.start_main_~x~4 2)), 121573#(and (<= ULTIMATE.start_main_~x~4 5) (<= 5 ULTIMATE.start_main_~x~4)), 121572#(and (<= ULTIMATE.start_main_~x~4 4) (<= 4 ULTIMATE.start_main_~x~4)), 121575#(and (<= ULTIMATE.start_main_~x~4 7) (<= 7 ULTIMATE.start_main_~x~4)), 121574#(and (<= 6 ULTIMATE.start_main_~x~4) (<= ULTIMATE.start_main_~x~4 6)), 121577#(and (<= 9 ULTIMATE.start_main_~x~4) (<= ULTIMATE.start_main_~x~4 9)), 121576#(and (<= ULTIMATE.start_main_~x~4 8) (<= 8 ULTIMATE.start_main_~x~4)), 121579#(and (<= ULTIMATE.start_main_~x~4 11) (<= 11 ULTIMATE.start_main_~x~4)), 121578#(and (<= ULTIMATE.start_main_~x~4 10) (<= 10 ULTIMATE.start_main_~x~4)), 121581#(and (<= ULTIMATE.start_main_~x~4 13) (<= 13 ULTIMATE.start_main_~x~4)), 121580#(and (<= 12 ULTIMATE.start_main_~x~4) (<= ULTIMATE.start_main_~x~4 12)), 121583#(and (<= 15 ULTIMATE.start_main_~x~4) (<= ULTIMATE.start_main_~x~4 15)), 121582#(and (<= 14 ULTIMATE.start_main_~x~4) (<= ULTIMATE.start_main_~x~4 14)), 121585#(and (<= ULTIMATE.start_main_~x~4 17) (<= 17 ULTIMATE.start_main_~x~4)), 121584#(and (<= ULTIMATE.start_main_~x~4 16) (<= 16 ULTIMATE.start_main_~x~4)), 121587#(and (<= 19 ULTIMATE.start_main_~x~4) (<= ULTIMATE.start_main_~x~4 19)), 121586#(and (<= 18 ULTIMATE.start_main_~x~4) (<= ULTIMATE.start_main_~x~4 18)), 121589#(and (<= ULTIMATE.start_main_~x~4 21) (<= 21 ULTIMATE.start_main_~x~4)), 121588#(and (<= 20 ULTIMATE.start_main_~x~4) (<= ULTIMATE.start_main_~x~4 20)), 121591#(and (<= ULTIMATE.start_main_~x~4 23) (<= 23 ULTIMATE.start_main_~x~4)), 121590#(and (<= ULTIMATE.start_main_~x~4 22) (<= 22 ULTIMATE.start_main_~x~4)), 121593#(and (<= ULTIMATE.start_main_~x~4 25) (<= 25 ULTIMATE.start_main_~x~4)), 121592#(and (<= ULTIMATE.start_main_~x~4 24) (<= 24 ULTIMATE.start_main_~x~4)), 121595#(and (<= ULTIMATE.start_main_~x~4 27) (<= 27 ULTIMATE.start_main_~x~4)), 121594#(and (<= ULTIMATE.start_main_~x~4 26) (<= 26 ULTIMATE.start_main_~x~4)), 121597#(and (<= 29 ULTIMATE.start_main_~x~4) (<= ULTIMATE.start_main_~x~4 29)), 121596#(and (<= ULTIMATE.start_main_~x~4 28) (<= 28 ULTIMATE.start_main_~x~4)), 121599#(and (<= ULTIMATE.start_main_~x~4 31) (<= 31 ULTIMATE.start_main_~x~4)), 121598#(and (<= ULTIMATE.start_main_~x~4 30) (<= 30 ULTIMATE.start_main_~x~4))] [2018-07-23 13:53:20,474 INFO L134 CoverageAnalysis]: Checked inductivity of 26082 backedges. 0 proven. 26082 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-07-23 13:53:20,475 INFO L450 AbstractCegarLoop]: Interpolant automaton has 164 states [2018-07-23 13:53:20,475 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 164 interpolants. [2018-07-23 13:53:20,477 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=325, Invalid=26407, Unknown=0, NotChecked=0, Total=26732 [2018-07-23 13:53:20,477 INFO L87 Difference]: Start difference. First operand 327 states and 327 transitions. Second operand 164 states. [2018-07-23 13:53:22,356 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-07-23 13:53:22,356 INFO L93 Difference]: Finished difference Result 331 states and 331 transitions. [2018-07-23 13:53:22,356 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 164 states. [2018-07-23 13:53:22,356 INFO L78 Accepts]: Start accepts. Automaton has 164 states. Word has length 326 [2018-07-23 13:53:22,356 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-07-23 13:53:22,357 INFO L225 Difference]: With dead ends: 331 [2018-07-23 13:53:22,357 INFO L226 Difference]: Without dead ends: 329 [2018-07-23 13:53:22,359 INFO L575 BasicCegarLoop]: 0 DeclaredPredicates, 163 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 162 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 1.0s TimeCoverageRelationStatistics Valid=325, Invalid=26407, Unknown=0, NotChecked=0, Total=26732 [2018-07-23 13:53:22,359 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 329 states. [2018-07-23 13:53:22,367 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 329 to 329. [2018-07-23 13:53:22,367 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 329 states. [2018-07-23 13:53:22,368 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 329 states to 329 states and 329 transitions. [2018-07-23 13:53:22,368 INFO L78 Accepts]: Start accepts. Automaton has 329 states and 329 transitions. Word has length 326 [2018-07-23 13:53:22,368 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-07-23 13:53:22,368 INFO L471 AbstractCegarLoop]: Abstraction has 329 states and 329 transitions. [2018-07-23 13:53:22,368 INFO L472 AbstractCegarLoop]: Interpolant automaton has 164 states. [2018-07-23 13:53:22,368 INFO L276 IsEmpty]: Start isEmpty. Operand 329 states and 329 transitions. [2018-07-23 13:53:22,369 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 329 [2018-07-23 13:53:22,369 INFO L349 BasicCegarLoop]: Found error trace [2018-07-23 13:53:22,369 INFO L357 BasicCegarLoop]: trace histogram [163, 162, 1, 1, 1] [2018-07-23 13:53:22,369 INFO L414 AbstractCegarLoop]: === Iteration 163 === [ULTIMATE.startErr0AssertViolationASSERT]=== [2018-07-23 13:53:22,370 INFO L82 PathProgramCache]: Analyzing trace with hash 391774459, now seen corresponding path program 162 times [2018-07-23 13:53:22,370 INFO L69 tionRefinementEngine]: Using refinement strategy FixedRefinementStrategy [2018-07-23 13:53:22,836 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-07-23 13:53:24,238 INFO L134 CoverageAnalysis]: Checked inductivity of 26406 backedges. 0 proven. 26406 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-07-23 13:53:24,239 INFO L309 seRefinementStrategy]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2018-07-23 13:53:24,239 INFO L324 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [164] total 164 [2018-07-23 13:53:24,239 INFO L142 lantAutomatonBuilder]: Constructing canonical interpolant automaton, with selfloop in false state [2018-07-23 13:53:24,239 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-07-23 13:53:24,240 INFO L185 omatonBuilderFactory]: Interpolants [123137#(and (<= 85 ULTIMATE.start_main_~x~4) (<= ULTIMATE.start_main_~x~4 85)), 123136#(and (<= ULTIMATE.start_main_~x~4 84) (<= 84 ULTIMATE.start_main_~x~4)), 123139#(and (<= ULTIMATE.start_main_~x~4 87) (<= 87 ULTIMATE.start_main_~x~4)), 123138#(and (<= 86 ULTIMATE.start_main_~x~4) (<= ULTIMATE.start_main_~x~4 86)), 123141#(and (<= ULTIMATE.start_main_~x~4 89) (<= 89 ULTIMATE.start_main_~x~4)), 123140#(and (<= 88 ULTIMATE.start_main_~x~4) (<= ULTIMATE.start_main_~x~4 88)), 123143#(and (<= ULTIMATE.start_main_~x~4 91) (<= 91 ULTIMATE.start_main_~x~4)), 123142#(and (<= ULTIMATE.start_main_~x~4 90) (<= 90 ULTIMATE.start_main_~x~4)), 123145#(and (<= ULTIMATE.start_main_~x~4 93) (<= 93 ULTIMATE.start_main_~x~4)), 123144#(and (<= ULTIMATE.start_main_~x~4 92) (<= 92 ULTIMATE.start_main_~x~4)), 123147#(and (<= 95 ULTIMATE.start_main_~x~4) (<= ULTIMATE.start_main_~x~4 95)), 123146#(and (<= ULTIMATE.start_main_~x~4 94) (<= 94 ULTIMATE.start_main_~x~4)), 123149#(and (<= 97 ULTIMATE.start_main_~x~4) (<= ULTIMATE.start_main_~x~4 97)), 123148#(and (<= ULTIMATE.start_main_~x~4 96) (<= 96 ULTIMATE.start_main_~x~4)), 123151#(and (<= 99 ULTIMATE.start_main_~x~4) (<= ULTIMATE.start_main_~x~4 99)), 123150#(and (<= ULTIMATE.start_main_~x~4 98) (<= 98 ULTIMATE.start_main_~x~4)), 123153#(and (<= ULTIMATE.start_main_~x~4 101) (<= 101 ULTIMATE.start_main_~x~4)), 123152#(and (<= ULTIMATE.start_main_~x~4 100) (<= 100 ULTIMATE.start_main_~x~4)), 123155#(and (<= 103 ULTIMATE.start_main_~x~4) (<= ULTIMATE.start_main_~x~4 103)), 123154#(and (<= 102 ULTIMATE.start_main_~x~4) (<= ULTIMATE.start_main_~x~4 102)), 123157#(and (<= 105 ULTIMATE.start_main_~x~4) (<= ULTIMATE.start_main_~x~4 105)), 123156#(and (<= ULTIMATE.start_main_~x~4 104) (<= 104 ULTIMATE.start_main_~x~4)), 123159#(and (<= 107 ULTIMATE.start_main_~x~4) (<= ULTIMATE.start_main_~x~4 107)), 123158#(and (<= 106 ULTIMATE.start_main_~x~4) (<= ULTIMATE.start_main_~x~4 106)), 123161#(and (<= ULTIMATE.start_main_~x~4 109) (<= 109 ULTIMATE.start_main_~x~4)), 123160#(and (<= 108 ULTIMATE.start_main_~x~4) (<= ULTIMATE.start_main_~x~4 108)), 123163#(and (<= ULTIMATE.start_main_~x~4 111) (<= 111 ULTIMATE.start_main_~x~4)), 123162#(and (<= 110 ULTIMATE.start_main_~x~4) (<= ULTIMATE.start_main_~x~4 110)), 123165#(and (<= 113 ULTIMATE.start_main_~x~4) (<= ULTIMATE.start_main_~x~4 113)), 123164#(and (<= ULTIMATE.start_main_~x~4 112) (<= 112 ULTIMATE.start_main_~x~4)), 123167#(and (<= ULTIMATE.start_main_~x~4 115) (<= 115 ULTIMATE.start_main_~x~4)), 123166#(and (<= ULTIMATE.start_main_~x~4 114) (<= 114 ULTIMATE.start_main_~x~4)), 123169#(and (<= ULTIMATE.start_main_~x~4 117) (<= 117 ULTIMATE.start_main_~x~4)), 123168#(and (<= ULTIMATE.start_main_~x~4 116) (<= 116 ULTIMATE.start_main_~x~4)), 123171#(and (<= 119 ULTIMATE.start_main_~x~4) (<= ULTIMATE.start_main_~x~4 119)), 123170#(and (<= 118 ULTIMATE.start_main_~x~4) (<= ULTIMATE.start_main_~x~4 118)), 123173#(and (<= 121 ULTIMATE.start_main_~x~4) (<= ULTIMATE.start_main_~x~4 121)), 123172#(and (<= 120 ULTIMATE.start_main_~x~4) (<= ULTIMATE.start_main_~x~4 120)), 123175#(and (<= ULTIMATE.start_main_~x~4 123) (<= 123 ULTIMATE.start_main_~x~4)), 123174#(and (<= 122 ULTIMATE.start_main_~x~4) (<= ULTIMATE.start_main_~x~4 122)), 123177#(and (<= 125 ULTIMATE.start_main_~x~4) (<= ULTIMATE.start_main_~x~4 125)), 123176#(and (<= ULTIMATE.start_main_~x~4 124) (<= 124 ULTIMATE.start_main_~x~4)), 123179#(and (<= ULTIMATE.start_main_~x~4 127) (<= 127 ULTIMATE.start_main_~x~4)), 123178#(and (<= 126 ULTIMATE.start_main_~x~4) (<= ULTIMATE.start_main_~x~4 126)), 123181#(and (<= 129 ULTIMATE.start_main_~x~4) (<= ULTIMATE.start_main_~x~4 129)), 123180#(and (<= 128 ULTIMATE.start_main_~x~4) (<= ULTIMATE.start_main_~x~4 128)), 123183#(and (<= 131 ULTIMATE.start_main_~x~4) (<= ULTIMATE.start_main_~x~4 131)), 123182#(and (<= ULTIMATE.start_main_~x~4 130) (<= 130 ULTIMATE.start_main_~x~4)), 123185#(and (<= ULTIMATE.start_main_~x~4 133) (<= 133 ULTIMATE.start_main_~x~4)), 123184#(and (<= 132 ULTIMATE.start_main_~x~4) (<= ULTIMATE.start_main_~x~4 132)), 123187#(and (<= 135 ULTIMATE.start_main_~x~4) (<= ULTIMATE.start_main_~x~4 135)), 123186#(and (<= 134 ULTIMATE.start_main_~x~4) (<= ULTIMATE.start_main_~x~4 134)), 123189#(and (<= 137 ULTIMATE.start_main_~x~4) (<= ULTIMATE.start_main_~x~4 137)), 123188#(and (<= ULTIMATE.start_main_~x~4 136) (<= 136 ULTIMATE.start_main_~x~4)), 123191#(and (<= 139 ULTIMATE.start_main_~x~4) (<= ULTIMATE.start_main_~x~4 139)), 123190#(and (<= 138 ULTIMATE.start_main_~x~4) (<= ULTIMATE.start_main_~x~4 138)), 123193#(and (<= 141 ULTIMATE.start_main_~x~4) (<= ULTIMATE.start_main_~x~4 141)), 123192#(and (<= 140 ULTIMATE.start_main_~x~4) (<= ULTIMATE.start_main_~x~4 140)), 123195#(and (<= ULTIMATE.start_main_~x~4 143) (<= 143 ULTIMATE.start_main_~x~4)), 123194#(and (<= 142 ULTIMATE.start_main_~x~4) (<= ULTIMATE.start_main_~x~4 142)), 123197#(and (<= ULTIMATE.start_main_~x~4 145) (<= 145 ULTIMATE.start_main_~x~4)), 123196#(and (<= ULTIMATE.start_main_~x~4 144) (<= 144 ULTIMATE.start_main_~x~4)), 123199#(and (<= 147 ULTIMATE.start_main_~x~4) (<= ULTIMATE.start_main_~x~4 147)), 123198#(and (<= ULTIMATE.start_main_~x~4 146) (<= 146 ULTIMATE.start_main_~x~4)), 123201#(and (<= 149 ULTIMATE.start_main_~x~4) (<= ULTIMATE.start_main_~x~4 149)), 123200#(and (<= ULTIMATE.start_main_~x~4 148) (<= 148 ULTIMATE.start_main_~x~4)), 123203#(and (<= ULTIMATE.start_main_~x~4 151) (<= 151 ULTIMATE.start_main_~x~4)), 123202#(and (<= 150 ULTIMATE.start_main_~x~4) (<= ULTIMATE.start_main_~x~4 150)), 123205#(and (<= ULTIMATE.start_main_~x~4 153) (<= 153 ULTIMATE.start_main_~x~4)), 123204#(and (<= 152 ULTIMATE.start_main_~x~4) (<= ULTIMATE.start_main_~x~4 152)), 123207#(and (<= 155 ULTIMATE.start_main_~x~4) (<= ULTIMATE.start_main_~x~4 155)), 123206#(and (<= ULTIMATE.start_main_~x~4 154) (<= 154 ULTIMATE.start_main_~x~4)), 123209#(and (<= ULTIMATE.start_main_~x~4 157) (<= 157 ULTIMATE.start_main_~x~4)), 123208#(and (<= ULTIMATE.start_main_~x~4 156) (<= 156 ULTIMATE.start_main_~x~4)), 123211#(and (<= ULTIMATE.start_main_~x~4 159) (<= 159 ULTIMATE.start_main_~x~4)), 123210#(and (<= 158 ULTIMATE.start_main_~x~4) (<= ULTIMATE.start_main_~x~4 158)), 123213#(and (<= 161 ULTIMATE.start_main_~x~4) (<= ULTIMATE.start_main_~x~4 161)), 123212#(and (<= ULTIMATE.start_main_~x~4 160) (<= 160 ULTIMATE.start_main_~x~4)), 123214#(and (<= 162 ULTIMATE.start_main_~x~4) (<= ULTIMATE.start_main_~x~4 162)), 123051#false, 123050#true, 123053#(and (<= ULTIMATE.start_main_~x~4 1) (<= 1 ULTIMATE.start_main_~x~4)), 123052#(and (<= ULTIMATE.start_main_~x~4 0) (<= 0 ULTIMATE.start_main_~x~4)), 123055#(and (<= 3 ULTIMATE.start_main_~x~4) (<= ULTIMATE.start_main_~x~4 3)), 123054#(and (<= 2 ULTIMATE.start_main_~x~4) (<= ULTIMATE.start_main_~x~4 2)), 123057#(and (<= ULTIMATE.start_main_~x~4 5) (<= 5 ULTIMATE.start_main_~x~4)), 123056#(and (<= ULTIMATE.start_main_~x~4 4) (<= 4 ULTIMATE.start_main_~x~4)), 123059#(and (<= ULTIMATE.start_main_~x~4 7) (<= 7 ULTIMATE.start_main_~x~4)), 123058#(and (<= 6 ULTIMATE.start_main_~x~4) (<= ULTIMATE.start_main_~x~4 6)), 123061#(and (<= 9 ULTIMATE.start_main_~x~4) (<= ULTIMATE.start_main_~x~4 9)), 123060#(and (<= ULTIMATE.start_main_~x~4 8) (<= 8 ULTIMATE.start_main_~x~4)), 123063#(and (<= ULTIMATE.start_main_~x~4 11) (<= 11 ULTIMATE.start_main_~x~4)), 123062#(and (<= ULTIMATE.start_main_~x~4 10) (<= 10 ULTIMATE.start_main_~x~4)), 123065#(and (<= ULTIMATE.start_main_~x~4 13) (<= 13 ULTIMATE.start_main_~x~4)), 123064#(and (<= 12 ULTIMATE.start_main_~x~4) (<= ULTIMATE.start_main_~x~4 12)), 123067#(and (<= 15 ULTIMATE.start_main_~x~4) (<= ULTIMATE.start_main_~x~4 15)), 123066#(and (<= 14 ULTIMATE.start_main_~x~4) (<= ULTIMATE.start_main_~x~4 14)), 123069#(and (<= ULTIMATE.start_main_~x~4 17) (<= 17 ULTIMATE.start_main_~x~4)), 123068#(and (<= ULTIMATE.start_main_~x~4 16) (<= 16 ULTIMATE.start_main_~x~4)), 123071#(and (<= 19 ULTIMATE.start_main_~x~4) (<= ULTIMATE.start_main_~x~4 19)), 123070#(and (<= 18 ULTIMATE.start_main_~x~4) (<= ULTIMATE.start_main_~x~4 18)), 123073#(and (<= ULTIMATE.start_main_~x~4 21) (<= 21 ULTIMATE.start_main_~x~4)), 123072#(and (<= 20 ULTIMATE.start_main_~x~4) (<= ULTIMATE.start_main_~x~4 20)), 123075#(and (<= ULTIMATE.start_main_~x~4 23) (<= 23 ULTIMATE.start_main_~x~4)), 123074#(and (<= ULTIMATE.start_main_~x~4 22) (<= 22 ULTIMATE.start_main_~x~4)), 123077#(and (<= ULTIMATE.start_main_~x~4 25) (<= 25 ULTIMATE.start_main_~x~4)), 123076#(and (<= ULTIMATE.start_main_~x~4 24) (<= 24 ULTIMATE.start_main_~x~4)), 123079#(and (<= ULTIMATE.start_main_~x~4 27) (<= 27 ULTIMATE.start_main_~x~4)), 123078#(and (<= ULTIMATE.start_main_~x~4 26) (<= 26 ULTIMATE.start_main_~x~4)), 123081#(and (<= 29 ULTIMATE.start_main_~x~4) (<= ULTIMATE.start_main_~x~4 29)), 123080#(and (<= ULTIMATE.start_main_~x~4 28) (<= 28 ULTIMATE.start_main_~x~4)), 123083#(and (<= ULTIMATE.start_main_~x~4 31) (<= 31 ULTIMATE.start_main_~x~4)), 123082#(and (<= ULTIMATE.start_main_~x~4 30) (<= 30 ULTIMATE.start_main_~x~4)), 123085#(and (<= ULTIMATE.start_main_~x~4 33) (<= 33 ULTIMATE.start_main_~x~4)), 123084#(and (<= ULTIMATE.start_main_~x~4 32) (<= 32 ULTIMATE.start_main_~x~4)), 123087#(and (<= ULTIMATE.start_main_~x~4 35) (<= 35 ULTIMATE.start_main_~x~4)), 123086#(and (<= 34 ULTIMATE.start_main_~x~4) (<= ULTIMATE.start_main_~x~4 34)), 123089#(and (<= ULTIMATE.start_main_~x~4 37) (<= 37 ULTIMATE.start_main_~x~4)), 123088#(and (<= 36 ULTIMATE.start_main_~x~4) (<= ULTIMATE.start_main_~x~4 36)), 123091#(and (<= ULTIMATE.start_main_~x~4 39) (<= 39 ULTIMATE.start_main_~x~4)), 123090#(and (<= 38 ULTIMATE.start_main_~x~4) (<= ULTIMATE.start_main_~x~4 38)), 123093#(and (<= ULTIMATE.start_main_~x~4 41) (<= 41 ULTIMATE.start_main_~x~4)), 123092#(and (<= ULTIMATE.start_main_~x~4 40) (<= 40 ULTIMATE.start_main_~x~4)), 123095#(and (<= ULTIMATE.start_main_~x~4 43) (<= 43 ULTIMATE.start_main_~x~4)), 123094#(and (<= ULTIMATE.start_main_~x~4 42) (<= 42 ULTIMATE.start_main_~x~4)), 123097#(and (<= 45 ULTIMATE.start_main_~x~4) (<= ULTIMATE.start_main_~x~4 45)), 123096#(and (<= 44 ULTIMATE.start_main_~x~4) (<= ULTIMATE.start_main_~x~4 44)), 123099#(and (<= 47 ULTIMATE.start_main_~x~4) (<= ULTIMATE.start_main_~x~4 47)), 123098#(and (<= ULTIMATE.start_main_~x~4 46) (<= 46 ULTIMATE.start_main_~x~4)), 123101#(and (<= 49 ULTIMATE.start_main_~x~4) (<= ULTIMATE.start_main_~x~4 49)), 123100#(and (<= 48 ULTIMATE.start_main_~x~4) (<= ULTIMATE.start_main_~x~4 48)), 123103#(and (<= 51 ULTIMATE.start_main_~x~4) (<= ULTIMATE.start_main_~x~4 51)), 123102#(and (<= ULTIMATE.start_main_~x~4 50) (<= 50 ULTIMATE.start_main_~x~4)), 123105#(and (<= 53 ULTIMATE.start_main_~x~4) (<= ULTIMATE.start_main_~x~4 53)), 123104#(and (<= ULTIMATE.start_main_~x~4 52) (<= 52 ULTIMATE.start_main_~x~4)), 123107#(and (<= 55 ULTIMATE.start_main_~x~4) (<= ULTIMATE.start_main_~x~4 55)), 123106#(and (<= ULTIMATE.start_main_~x~4 54) (<= 54 ULTIMATE.start_main_~x~4)), 123109#(and (<= 57 ULTIMATE.start_main_~x~4) (<= ULTIMATE.start_main_~x~4 57)), 123108#(and (<= 56 ULTIMATE.start_main_~x~4) (<= ULTIMATE.start_main_~x~4 56)), 123111#(and (<= ULTIMATE.start_main_~x~4 59) (<= 59 ULTIMATE.start_main_~x~4)), 123110#(and (<= 58 ULTIMATE.start_main_~x~4) (<= ULTIMATE.start_main_~x~4 58)), 123113#(and (<= 61 ULTIMATE.start_main_~x~4) (<= ULTIMATE.start_main_~x~4 61)), 123112#(and (<= 60 ULTIMATE.start_main_~x~4) (<= ULTIMATE.start_main_~x~4 60)), 123115#(and (<= 63 ULTIMATE.start_main_~x~4) (<= ULTIMATE.start_main_~x~4 63)), 123114#(and (<= ULTIMATE.start_main_~x~4 62) (<= 62 ULTIMATE.start_main_~x~4)), 123117#(and (<= 65 ULTIMATE.start_main_~x~4) (<= ULTIMATE.start_main_~x~4 65)), 123116#(and (<= ULTIMATE.start_main_~x~4 64) (<= 64 ULTIMATE.start_main_~x~4)), 123119#(and (<= 67 ULTIMATE.start_main_~x~4) (<= ULTIMATE.start_main_~x~4 67)), 123118#(and (<= 66 ULTIMATE.start_main_~x~4) (<= ULTIMATE.start_main_~x~4 66)), 123121#(and (<= 69 ULTIMATE.start_main_~x~4) (<= ULTIMATE.start_main_~x~4 69)), 123120#(and (<= ULTIMATE.start_main_~x~4 68) (<= 68 ULTIMATE.start_main_~x~4)), 123123#(and (<= 71 ULTIMATE.start_main_~x~4) (<= ULTIMATE.start_main_~x~4 71)), 123122#(and (<= ULTIMATE.start_main_~x~4 70) (<= 70 ULTIMATE.start_main_~x~4)), 123125#(and (<= ULTIMATE.start_main_~x~4 73) (<= 73 ULTIMATE.start_main_~x~4)), 123124#(and (<= 72 ULTIMATE.start_main_~x~4) (<= ULTIMATE.start_main_~x~4 72)), 123127#(and (<= ULTIMATE.start_main_~x~4 75) (<= 75 ULTIMATE.start_main_~x~4)), 123126#(and (<= 74 ULTIMATE.start_main_~x~4) (<= ULTIMATE.start_main_~x~4 74)), 123129#(and (<= ULTIMATE.start_main_~x~4 77) (<= 77 ULTIMATE.start_main_~x~4)), 123128#(and (<= ULTIMATE.start_main_~x~4 76) (<= 76 ULTIMATE.start_main_~x~4)), 123131#(and (<= 79 ULTIMATE.start_main_~x~4) (<= ULTIMATE.start_main_~x~4 79)), 123130#(and (<= ULTIMATE.start_main_~x~4 78) (<= 78 ULTIMATE.start_main_~x~4)), 123133#(and (<= ULTIMATE.start_main_~x~4 81) (<= 81 ULTIMATE.start_main_~x~4)), 123132#(and (<= ULTIMATE.start_main_~x~4 80) (<= 80 ULTIMATE.start_main_~x~4)), 123135#(and (<= 83 ULTIMATE.start_main_~x~4) (<= ULTIMATE.start_main_~x~4 83)), 123134#(and (<= ULTIMATE.start_main_~x~4 82) (<= 82 ULTIMATE.start_main_~x~4))] [2018-07-23 13:53:24,241 INFO L134 CoverageAnalysis]: Checked inductivity of 26406 backedges. 0 proven. 26406 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-07-23 13:53:24,242 INFO L450 AbstractCegarLoop]: Interpolant automaton has 165 states [2018-07-23 13:53:24,242 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 165 interpolants. [2018-07-23 13:53:24,243 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=327, Invalid=26733, Unknown=0, NotChecked=0, Total=27060 [2018-07-23 13:53:24,243 INFO L87 Difference]: Start difference. First operand 329 states and 329 transitions. Second operand 165 states. [2018-07-23 13:53:26,137 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-07-23 13:53:26,137 INFO L93 Difference]: Finished difference Result 333 states and 333 transitions. [2018-07-23 13:53:26,138 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 165 states. [2018-07-23 13:53:26,138 INFO L78 Accepts]: Start accepts. Automaton has 165 states. Word has length 328 [2018-07-23 13:53:26,138 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-07-23 13:53:26,138 INFO L225 Difference]: With dead ends: 333 [2018-07-23 13:53:26,138 INFO L226 Difference]: Without dead ends: 331 [2018-07-23 13:53:26,140 INFO L575 BasicCegarLoop]: 0 DeclaredPredicates, 164 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 163 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 1.0s TimeCoverageRelationStatistics Valid=327, Invalid=26733, Unknown=0, NotChecked=0, Total=27060 [2018-07-23 13:53:26,140 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 331 states. [2018-07-23 13:53:26,148 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 331 to 331. [2018-07-23 13:53:26,148 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 331 states. [2018-07-23 13:53:26,149 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 331 states to 331 states and 331 transitions. [2018-07-23 13:53:26,149 INFO L78 Accepts]: Start accepts. Automaton has 331 states and 331 transitions. Word has length 328 [2018-07-23 13:53:26,149 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-07-23 13:53:26,149 INFO L471 AbstractCegarLoop]: Abstraction has 331 states and 331 transitions. [2018-07-23 13:53:26,149 INFO L472 AbstractCegarLoop]: Interpolant automaton has 165 states. [2018-07-23 13:53:26,149 INFO L276 IsEmpty]: Start isEmpty. Operand 331 states and 331 transitions. [2018-07-23 13:53:26,150 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 331 [2018-07-23 13:53:26,150 INFO L349 BasicCegarLoop]: Found error trace [2018-07-23 13:53:26,150 INFO L357 BasicCegarLoop]: trace histogram [164, 163, 1, 1, 1] [2018-07-23 13:53:26,151 INFO L414 AbstractCegarLoop]: === Iteration 164 === [ULTIMATE.startErr0AssertViolationASSERT]=== [2018-07-23 13:53:26,151 INFO L82 PathProgramCache]: Analyzing trace with hash -1461814859, now seen corresponding path program 163 times [2018-07-23 13:53:26,151 INFO L69 tionRefinementEngine]: Using refinement strategy FixedRefinementStrategy [2018-07-23 13:53:26,617 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-07-23 13:53:28,053 INFO L134 CoverageAnalysis]: Checked inductivity of 26732 backedges. 0 proven. 26732 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-07-23 13:53:28,054 INFO L309 seRefinementStrategy]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2018-07-23 13:53:28,054 INFO L324 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [165] total 165 [2018-07-23 13:53:28,054 INFO L142 lantAutomatonBuilder]: Constructing canonical interpolant automaton, with selfloop in false state [2018-07-23 13:53:28,054 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-07-23 13:53:28,055 INFO L185 omatonBuilderFactory]: Interpolants [124673#(and (<= 128 ULTIMATE.start_main_~x~4) (<= ULTIMATE.start_main_~x~4 128)), 124672#(and (<= ULTIMATE.start_main_~x~4 127) (<= 127 ULTIMATE.start_main_~x~4)), 124675#(and (<= ULTIMATE.start_main_~x~4 130) (<= 130 ULTIMATE.start_main_~x~4)), 124674#(and (<= 129 ULTIMATE.start_main_~x~4) (<= ULTIMATE.start_main_~x~4 129)), 124677#(and (<= 132 ULTIMATE.start_main_~x~4) (<= ULTIMATE.start_main_~x~4 132)), 124676#(and (<= 131 ULTIMATE.start_main_~x~4) (<= ULTIMATE.start_main_~x~4 131)), 124679#(and (<= 134 ULTIMATE.start_main_~x~4) (<= ULTIMATE.start_main_~x~4 134)), 124678#(and (<= ULTIMATE.start_main_~x~4 133) (<= 133 ULTIMATE.start_main_~x~4)), 124681#(and (<= ULTIMATE.start_main_~x~4 136) (<= 136 ULTIMATE.start_main_~x~4)), 124680#(and (<= 135 ULTIMATE.start_main_~x~4) (<= ULTIMATE.start_main_~x~4 135)), 124683#(and (<= 138 ULTIMATE.start_main_~x~4) (<= ULTIMATE.start_main_~x~4 138)), 124682#(and (<= 137 ULTIMATE.start_main_~x~4) (<= ULTIMATE.start_main_~x~4 137)), 124685#(and (<= 140 ULTIMATE.start_main_~x~4) (<= ULTIMATE.start_main_~x~4 140)), 124684#(and (<= 139 ULTIMATE.start_main_~x~4) (<= ULTIMATE.start_main_~x~4 139)), 124687#(and (<= 142 ULTIMATE.start_main_~x~4) (<= ULTIMATE.start_main_~x~4 142)), 124686#(and (<= 141 ULTIMATE.start_main_~x~4) (<= ULTIMATE.start_main_~x~4 141)), 124689#(and (<= ULTIMATE.start_main_~x~4 144) (<= 144 ULTIMATE.start_main_~x~4)), 124688#(and (<= ULTIMATE.start_main_~x~4 143) (<= 143 ULTIMATE.start_main_~x~4)), 124691#(and (<= ULTIMATE.start_main_~x~4 146) (<= 146 ULTIMATE.start_main_~x~4)), 124690#(and (<= ULTIMATE.start_main_~x~4 145) (<= 145 ULTIMATE.start_main_~x~4)), 124693#(and (<= ULTIMATE.start_main_~x~4 148) (<= 148 ULTIMATE.start_main_~x~4)), 124692#(and (<= 147 ULTIMATE.start_main_~x~4) (<= ULTIMATE.start_main_~x~4 147)), 124695#(and (<= 150 ULTIMATE.start_main_~x~4) (<= ULTIMATE.start_main_~x~4 150)), 124694#(and (<= 149 ULTIMATE.start_main_~x~4) (<= ULTIMATE.start_main_~x~4 149)), 124697#(and (<= 152 ULTIMATE.start_main_~x~4) (<= ULTIMATE.start_main_~x~4 152)), 124696#(and (<= ULTIMATE.start_main_~x~4 151) (<= 151 ULTIMATE.start_main_~x~4)), 124699#(and (<= ULTIMATE.start_main_~x~4 154) (<= 154 ULTIMATE.start_main_~x~4)), 124698#(and (<= ULTIMATE.start_main_~x~4 153) (<= 153 ULTIMATE.start_main_~x~4)), 124701#(and (<= ULTIMATE.start_main_~x~4 156) (<= 156 ULTIMATE.start_main_~x~4)), 124700#(and (<= 155 ULTIMATE.start_main_~x~4) (<= ULTIMATE.start_main_~x~4 155)), 124703#(and (<= 158 ULTIMATE.start_main_~x~4) (<= ULTIMATE.start_main_~x~4 158)), 124702#(and (<= ULTIMATE.start_main_~x~4 157) (<= 157 ULTIMATE.start_main_~x~4)), 124705#(and (<= ULTIMATE.start_main_~x~4 160) (<= 160 ULTIMATE.start_main_~x~4)), 124704#(and (<= ULTIMATE.start_main_~x~4 159) (<= 159 ULTIMATE.start_main_~x~4)), 124707#(and (<= 162 ULTIMATE.start_main_~x~4) (<= ULTIMATE.start_main_~x~4 162)), 124706#(and (<= 161 ULTIMATE.start_main_~x~4) (<= ULTIMATE.start_main_~x~4 161)), 124708#(and (<= 163 ULTIMATE.start_main_~x~4) (<= ULTIMATE.start_main_~x~4 163)), 124543#true, 124545#(and (<= ULTIMATE.start_main_~x~4 0) (<= 0 ULTIMATE.start_main_~x~4)), 124544#false, 124547#(and (<= 2 ULTIMATE.start_main_~x~4) (<= ULTIMATE.start_main_~x~4 2)), 124546#(and (<= ULTIMATE.start_main_~x~4 1) (<= 1 ULTIMATE.start_main_~x~4)), 124549#(and (<= ULTIMATE.start_main_~x~4 4) (<= 4 ULTIMATE.start_main_~x~4)), 124548#(and (<= 3 ULTIMATE.start_main_~x~4) (<= ULTIMATE.start_main_~x~4 3)), 124551#(and (<= 6 ULTIMATE.start_main_~x~4) (<= ULTIMATE.start_main_~x~4 6)), 124550#(and (<= ULTIMATE.start_main_~x~4 5) (<= 5 ULTIMATE.start_main_~x~4)), 124553#(and (<= ULTIMATE.start_main_~x~4 8) (<= 8 ULTIMATE.start_main_~x~4)), 124552#(and (<= ULTIMATE.start_main_~x~4 7) (<= 7 ULTIMATE.start_main_~x~4)), 124555#(and (<= ULTIMATE.start_main_~x~4 10) (<= 10 ULTIMATE.start_main_~x~4)), 124554#(and (<= 9 ULTIMATE.start_main_~x~4) (<= ULTIMATE.start_main_~x~4 9)), 124557#(and (<= 12 ULTIMATE.start_main_~x~4) (<= ULTIMATE.start_main_~x~4 12)), 124556#(and (<= ULTIMATE.start_main_~x~4 11) (<= 11 ULTIMATE.start_main_~x~4)), 124559#(and (<= 14 ULTIMATE.start_main_~x~4) (<= ULTIMATE.start_main_~x~4 14)), 124558#(and (<= ULTIMATE.start_main_~x~4 13) (<= 13 ULTIMATE.start_main_~x~4)), 124561#(and (<= ULTIMATE.start_main_~x~4 16) (<= 16 ULTIMATE.start_main_~x~4)), 124560#(and (<= 15 ULTIMATE.start_main_~x~4) (<= ULTIMATE.start_main_~x~4 15)), 124563#(and (<= 18 ULTIMATE.start_main_~x~4) (<= ULTIMATE.start_main_~x~4 18)), 124562#(and (<= ULTIMATE.start_main_~x~4 17) (<= 17 ULTIMATE.start_main_~x~4)), 124565#(and (<= 20 ULTIMATE.start_main_~x~4) (<= ULTIMATE.start_main_~x~4 20)), 124564#(and (<= 19 ULTIMATE.start_main_~x~4) (<= ULTIMATE.start_main_~x~4 19)), 124567#(and (<= ULTIMATE.start_main_~x~4 22) (<= 22 ULTIMATE.start_main_~x~4)), 124566#(and (<= ULTIMATE.start_main_~x~4 21) (<= 21 ULTIMATE.start_main_~x~4)), 124569#(and (<= ULTIMATE.start_main_~x~4 24) (<= 24 ULTIMATE.start_main_~x~4)), 124568#(and (<= ULTIMATE.start_main_~x~4 23) (<= 23 ULTIMATE.start_main_~x~4)), 124571#(and (<= ULTIMATE.start_main_~x~4 26) (<= 26 ULTIMATE.start_main_~x~4)), 124570#(and (<= ULTIMATE.start_main_~x~4 25) (<= 25 ULTIMATE.start_main_~x~4)), 124573#(and (<= ULTIMATE.start_main_~x~4 28) (<= 28 ULTIMATE.start_main_~x~4)), 124572#(and (<= ULTIMATE.start_main_~x~4 27) (<= 27 ULTIMATE.start_main_~x~4)), 124575#(and (<= ULTIMATE.start_main_~x~4 30) (<= 30 ULTIMATE.start_main_~x~4)), 124574#(and (<= 29 ULTIMATE.start_main_~x~4) (<= ULTIMATE.start_main_~x~4 29)), 124577#(and (<= ULTIMATE.start_main_~x~4 32) (<= 32 ULTIMATE.start_main_~x~4)), 124576#(and (<= ULTIMATE.start_main_~x~4 31) (<= 31 ULTIMATE.start_main_~x~4)), 124579#(and (<= 34 ULTIMATE.start_main_~x~4) (<= ULTIMATE.start_main_~x~4 34)), 124578#(and (<= ULTIMATE.start_main_~x~4 33) (<= 33 ULTIMATE.start_main_~x~4)), 124581#(and (<= 36 ULTIMATE.start_main_~x~4) (<= ULTIMATE.start_main_~x~4 36)), 124580#(and (<= ULTIMATE.start_main_~x~4 35) (<= 35 ULTIMATE.start_main_~x~4)), 124583#(and (<= 38 ULTIMATE.start_main_~x~4) (<= ULTIMATE.start_main_~x~4 38)), 124582#(and (<= ULTIMATE.start_main_~x~4 37) (<= 37 ULTIMATE.start_main_~x~4)), 124585#(and (<= ULTIMATE.start_main_~x~4 40) (<= 40 ULTIMATE.start_main_~x~4)), 124584#(and (<= ULTIMATE.start_main_~x~4 39) (<= 39 ULTIMATE.start_main_~x~4)), 124587#(and (<= ULTIMATE.start_main_~x~4 42) (<= 42 ULTIMATE.start_main_~x~4)), 124586#(and (<= ULTIMATE.start_main_~x~4 41) (<= 41 ULTIMATE.start_main_~x~4)), 124589#(and (<= 44 ULTIMATE.start_main_~x~4) (<= ULTIMATE.start_main_~x~4 44)), 124588#(and (<= ULTIMATE.start_main_~x~4 43) (<= 43 ULTIMATE.start_main_~x~4)), 124591#(and (<= ULTIMATE.start_main_~x~4 46) (<= 46 ULTIMATE.start_main_~x~4)), 124590#(and (<= 45 ULTIMATE.start_main_~x~4) (<= ULTIMATE.start_main_~x~4 45)), 124593#(and (<= 48 ULTIMATE.start_main_~x~4) (<= ULTIMATE.start_main_~x~4 48)), 124592#(and (<= 47 ULTIMATE.start_main_~x~4) (<= ULTIMATE.start_main_~x~4 47)), 124595#(and (<= ULTIMATE.start_main_~x~4 50) (<= 50 ULTIMATE.start_main_~x~4)), 124594#(and (<= 49 ULTIMATE.start_main_~x~4) (<= ULTIMATE.start_main_~x~4 49)), 124597#(and (<= ULTIMATE.start_main_~x~4 52) (<= 52 ULTIMATE.start_main_~x~4)), 124596#(and (<= 51 ULTIMATE.start_main_~x~4) (<= ULTIMATE.start_main_~x~4 51)), 124599#(and (<= ULTIMATE.start_main_~x~4 54) (<= 54 ULTIMATE.start_main_~x~4)), 124598#(and (<= 53 ULTIMATE.start_main_~x~4) (<= ULTIMATE.start_main_~x~4 53)), 124601#(and (<= 56 ULTIMATE.start_main_~x~4) (<= ULTIMATE.start_main_~x~4 56)), 124600#(and (<= 55 ULTIMATE.start_main_~x~4) (<= ULTIMATE.start_main_~x~4 55)), 124603#(and (<= 58 ULTIMATE.start_main_~x~4) (<= ULTIMATE.start_main_~x~4 58)), 124602#(and (<= 57 ULTIMATE.start_main_~x~4) (<= ULTIMATE.start_main_~x~4 57)), 124605#(and (<= 60 ULTIMATE.start_main_~x~4) (<= ULTIMATE.start_main_~x~4 60)), 124604#(and (<= ULTIMATE.start_main_~x~4 59) (<= 59 ULTIMATE.start_main_~x~4)), 124607#(and (<= ULTIMATE.start_main_~x~4 62) (<= 62 ULTIMATE.start_main_~x~4)), 124606#(and (<= 61 ULTIMATE.start_main_~x~4) (<= ULTIMATE.start_main_~x~4 61)), 124609#(and (<= ULTIMATE.start_main_~x~4 64) (<= 64 ULTIMATE.start_main_~x~4)), 124608#(and (<= 63 ULTIMATE.start_main_~x~4) (<= ULTIMATE.start_main_~x~4 63)), 124611#(and (<= 66 ULTIMATE.start_main_~x~4) (<= ULTIMATE.start_main_~x~4 66)), 124610#(and (<= 65 ULTIMATE.start_main_~x~4) (<= ULTIMATE.start_main_~x~4 65)), 124613#(and (<= ULTIMATE.start_main_~x~4 68) (<= 68 ULTIMATE.start_main_~x~4)), 124612#(and (<= 67 ULTIMATE.start_main_~x~4) (<= ULTIMATE.start_main_~x~4 67)), 124615#(and (<= ULTIMATE.start_main_~x~4 70) (<= 70 ULTIMATE.start_main_~x~4)), 124614#(and (<= 69 ULTIMATE.start_main_~x~4) (<= ULTIMATE.start_main_~x~4 69)), 124617#(and (<= 72 ULTIMATE.start_main_~x~4) (<= ULTIMATE.start_main_~x~4 72)), 124616#(and (<= 71 ULTIMATE.start_main_~x~4) (<= ULTIMATE.start_main_~x~4 71)), 124619#(and (<= 74 ULTIMATE.start_main_~x~4) (<= ULTIMATE.start_main_~x~4 74)), 124618#(and (<= ULTIMATE.start_main_~x~4 73) (<= 73 ULTIMATE.start_main_~x~4)), 124621#(and (<= ULTIMATE.start_main_~x~4 76) (<= 76 ULTIMATE.start_main_~x~4)), 124620#(and (<= ULTIMATE.start_main_~x~4 75) (<= 75 ULTIMATE.start_main_~x~4)), 124623#(and (<= ULTIMATE.start_main_~x~4 78) (<= 78 ULTIMATE.start_main_~x~4)), 124622#(and (<= ULTIMATE.start_main_~x~4 77) (<= 77 ULTIMATE.start_main_~x~4)), 124625#(and (<= ULTIMATE.start_main_~x~4 80) (<= 80 ULTIMATE.start_main_~x~4)), 124624#(and (<= 79 ULTIMATE.start_main_~x~4) (<= ULTIMATE.start_main_~x~4 79)), 124627#(and (<= ULTIMATE.start_main_~x~4 82) (<= 82 ULTIMATE.start_main_~x~4)), 124626#(and (<= ULTIMATE.start_main_~x~4 81) (<= 81 ULTIMATE.start_main_~x~4)), 124629#(and (<= ULTIMATE.start_main_~x~4 84) (<= 84 ULTIMATE.start_main_~x~4)), 124628#(and (<= 83 ULTIMATE.start_main_~x~4) (<= ULTIMATE.start_main_~x~4 83)), 124631#(and (<= 86 ULTIMATE.start_main_~x~4) (<= ULTIMATE.start_main_~x~4 86)), 124630#(and (<= 85 ULTIMATE.start_main_~x~4) (<= ULTIMATE.start_main_~x~4 85)), 124633#(and (<= 88 ULTIMATE.start_main_~x~4) (<= ULTIMATE.start_main_~x~4 88)), 124632#(and (<= ULTIMATE.start_main_~x~4 87) (<= 87 ULTIMATE.start_main_~x~4)), 124635#(and (<= ULTIMATE.start_main_~x~4 90) (<= 90 ULTIMATE.start_main_~x~4)), 124634#(and (<= ULTIMATE.start_main_~x~4 89) (<= 89 ULTIMATE.start_main_~x~4)), 124637#(and (<= ULTIMATE.start_main_~x~4 92) (<= 92 ULTIMATE.start_main_~x~4)), 124636#(and (<= ULTIMATE.start_main_~x~4 91) (<= 91 ULTIMATE.start_main_~x~4)), 124639#(and (<= ULTIMATE.start_main_~x~4 94) (<= 94 ULTIMATE.start_main_~x~4)), 124638#(and (<= ULTIMATE.start_main_~x~4 93) (<= 93 ULTIMATE.start_main_~x~4)), 124641#(and (<= ULTIMATE.start_main_~x~4 96) (<= 96 ULTIMATE.start_main_~x~4)), 124640#(and (<= 95 ULTIMATE.start_main_~x~4) (<= ULTIMATE.start_main_~x~4 95)), 124643#(and (<= ULTIMATE.start_main_~x~4 98) (<= 98 ULTIMATE.start_main_~x~4)), 124642#(and (<= 97 ULTIMATE.start_main_~x~4) (<= ULTIMATE.start_main_~x~4 97)), 124645#(and (<= ULTIMATE.start_main_~x~4 100) (<= 100 ULTIMATE.start_main_~x~4)), 124644#(and (<= 99 ULTIMATE.start_main_~x~4) (<= ULTIMATE.start_main_~x~4 99)), 124647#(and (<= 102 ULTIMATE.start_main_~x~4) (<= ULTIMATE.start_main_~x~4 102)), 124646#(and (<= ULTIMATE.start_main_~x~4 101) (<= 101 ULTIMATE.start_main_~x~4)), 124649#(and (<= ULTIMATE.start_main_~x~4 104) (<= 104 ULTIMATE.start_main_~x~4)), 124648#(and (<= 103 ULTIMATE.start_main_~x~4) (<= ULTIMATE.start_main_~x~4 103)), 124651#(and (<= 106 ULTIMATE.start_main_~x~4) (<= ULTIMATE.start_main_~x~4 106)), 124650#(and (<= 105 ULTIMATE.start_main_~x~4) (<= ULTIMATE.start_main_~x~4 105)), 124653#(and (<= 108 ULTIMATE.start_main_~x~4) (<= ULTIMATE.start_main_~x~4 108)), 124652#(and (<= 107 ULTIMATE.start_main_~x~4) (<= ULTIMATE.start_main_~x~4 107)), 124655#(and (<= 110 ULTIMATE.start_main_~x~4) (<= ULTIMATE.start_main_~x~4 110)), 124654#(and (<= ULTIMATE.start_main_~x~4 109) (<= 109 ULTIMATE.start_main_~x~4)), 124657#(and (<= ULTIMATE.start_main_~x~4 112) (<= 112 ULTIMATE.start_main_~x~4)), 124656#(and (<= ULTIMATE.start_main_~x~4 111) (<= 111 ULTIMATE.start_main_~x~4)), 124659#(and (<= ULTIMATE.start_main_~x~4 114) (<= 114 ULTIMATE.start_main_~x~4)), 124658#(and (<= 113 ULTIMATE.start_main_~x~4) (<= ULTIMATE.start_main_~x~4 113)), 124661#(and (<= ULTIMATE.start_main_~x~4 116) (<= 116 ULTIMATE.start_main_~x~4)), 124660#(and (<= ULTIMATE.start_main_~x~4 115) (<= 115 ULTIMATE.start_main_~x~4)), 124663#(and (<= 118 ULTIMATE.start_main_~x~4) (<= ULTIMATE.start_main_~x~4 118)), 124662#(and (<= ULTIMATE.start_main_~x~4 117) (<= 117 ULTIMATE.start_main_~x~4)), 124665#(and (<= 120 ULTIMATE.start_main_~x~4) (<= ULTIMATE.start_main_~x~4 120)), 124664#(and (<= 119 ULTIMATE.start_main_~x~4) (<= ULTIMATE.start_main_~x~4 119)), 124667#(and (<= 122 ULTIMATE.start_main_~x~4) (<= ULTIMATE.start_main_~x~4 122)), 124666#(and (<= 121 ULTIMATE.start_main_~x~4) (<= ULTIMATE.start_main_~x~4 121)), 124669#(and (<= ULTIMATE.start_main_~x~4 124) (<= 124 ULTIMATE.start_main_~x~4)), 124668#(and (<= ULTIMATE.start_main_~x~4 123) (<= 123 ULTIMATE.start_main_~x~4)), 124671#(and (<= 126 ULTIMATE.start_main_~x~4) (<= ULTIMATE.start_main_~x~4 126)), 124670#(and (<= 125 ULTIMATE.start_main_~x~4) (<= ULTIMATE.start_main_~x~4 125))] [2018-07-23 13:53:28,057 INFO L134 CoverageAnalysis]: Checked inductivity of 26732 backedges. 0 proven. 26732 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-07-23 13:53:28,057 INFO L450 AbstractCegarLoop]: Interpolant automaton has 166 states [2018-07-23 13:53:28,057 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 166 interpolants. [2018-07-23 13:53:28,058 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=329, Invalid=27061, Unknown=0, NotChecked=0, Total=27390 [2018-07-23 13:53:28,058 INFO L87 Difference]: Start difference. First operand 331 states and 331 transitions. Second operand 166 states. [2018-07-23 13:53:29,948 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-07-23 13:53:29,948 INFO L93 Difference]: Finished difference Result 335 states and 335 transitions. [2018-07-23 13:53:29,949 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 166 states. [2018-07-23 13:53:29,949 INFO L78 Accepts]: Start accepts. Automaton has 166 states. Word has length 330 [2018-07-23 13:53:29,949 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-07-23 13:53:29,949 INFO L225 Difference]: With dead ends: 335 [2018-07-23 13:53:29,949 INFO L226 Difference]: Without dead ends: 333 [2018-07-23 13:53:29,951 INFO L575 BasicCegarLoop]: 0 DeclaredPredicates, 165 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 164 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 1.0s TimeCoverageRelationStatistics Valid=329, Invalid=27061, Unknown=0, NotChecked=0, Total=27390 [2018-07-23 13:53:29,951 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 333 states. [2018-07-23 13:53:29,964 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 333 to 333. [2018-07-23 13:53:29,964 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 333 states. [2018-07-23 13:53:29,965 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 333 states to 333 states and 333 transitions. [2018-07-23 13:53:29,965 INFO L78 Accepts]: Start accepts. Automaton has 333 states and 333 transitions. Word has length 330 [2018-07-23 13:53:29,965 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-07-23 13:53:29,965 INFO L471 AbstractCegarLoop]: Abstraction has 333 states and 333 transitions. [2018-07-23 13:53:29,965 INFO L472 AbstractCegarLoop]: Interpolant automaton has 166 states. [2018-07-23 13:53:29,965 INFO L276 IsEmpty]: Start isEmpty. Operand 333 states and 333 transitions. [2018-07-23 13:53:29,967 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 333 [2018-07-23 13:53:29,967 INFO L349 BasicCegarLoop]: Found error trace [2018-07-23 13:53:29,967 INFO L357 BasicCegarLoop]: trace histogram [165, 164, 1, 1, 1] [2018-07-23 13:53:29,967 INFO L414 AbstractCegarLoop]: === Iteration 165 === [ULTIMATE.startErr0AssertViolationASSERT]=== [2018-07-23 13:53:29,967 INFO L82 PathProgramCache]: Analyzing trace with hash -349721617, now seen corresponding path program 164 times [2018-07-23 13:53:29,968 INFO L69 tionRefinementEngine]: Using refinement strategy FixedRefinementStrategy [2018-07-23 13:53:30,525 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-07-23 13:53:31,977 INFO L134 CoverageAnalysis]: Checked inductivity of 27060 backedges. 0 proven. 27060 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-07-23 13:53:31,977 INFO L309 seRefinementStrategy]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2018-07-23 13:53:31,978 INFO L324 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [166] total 166 [2018-07-23 13:53:31,978 INFO L142 lantAutomatonBuilder]: Constructing canonical interpolant automaton, with selfloop in false state [2018-07-23 13:53:31,978 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-07-23 13:53:31,978 INFO L185 omatonBuilderFactory]: Interpolants [126209#(and (<= 162 ULTIMATE.start_main_~x~4) (<= ULTIMATE.start_main_~x~4 162)), 126208#(and (<= 161 ULTIMATE.start_main_~x~4) (<= ULTIMATE.start_main_~x~4 161)), 126211#(and (<= 164 ULTIMATE.start_main_~x~4) (<= ULTIMATE.start_main_~x~4 164)), 126210#(and (<= 163 ULTIMATE.start_main_~x~4) (<= ULTIMATE.start_main_~x~4 163)), 126045#true, 126047#(and (<= ULTIMATE.start_main_~x~4 0) (<= 0 ULTIMATE.start_main_~x~4)), 126046#false, 126049#(and (<= 2 ULTIMATE.start_main_~x~4) (<= ULTIMATE.start_main_~x~4 2)), 126048#(and (<= ULTIMATE.start_main_~x~4 1) (<= 1 ULTIMATE.start_main_~x~4)), 126051#(and (<= ULTIMATE.start_main_~x~4 4) (<= 4 ULTIMATE.start_main_~x~4)), 126050#(and (<= 3 ULTIMATE.start_main_~x~4) (<= ULTIMATE.start_main_~x~4 3)), 126053#(and (<= 6 ULTIMATE.start_main_~x~4) (<= ULTIMATE.start_main_~x~4 6)), 126052#(and (<= ULTIMATE.start_main_~x~4 5) (<= 5 ULTIMATE.start_main_~x~4)), 126055#(and (<= ULTIMATE.start_main_~x~4 8) (<= 8 ULTIMATE.start_main_~x~4)), 126054#(and (<= ULTIMATE.start_main_~x~4 7) (<= 7 ULTIMATE.start_main_~x~4)), 126057#(and (<= ULTIMATE.start_main_~x~4 10) (<= 10 ULTIMATE.start_main_~x~4)), 126056#(and (<= 9 ULTIMATE.start_main_~x~4) (<= ULTIMATE.start_main_~x~4 9)), 126059#(and (<= 12 ULTIMATE.start_main_~x~4) (<= ULTIMATE.start_main_~x~4 12)), 126058#(and (<= ULTIMATE.start_main_~x~4 11) (<= 11 ULTIMATE.start_main_~x~4)), 126061#(and (<= 14 ULTIMATE.start_main_~x~4) (<= ULTIMATE.start_main_~x~4 14)), 126060#(and (<= ULTIMATE.start_main_~x~4 13) (<= 13 ULTIMATE.start_main_~x~4)), 126063#(and (<= ULTIMATE.start_main_~x~4 16) (<= 16 ULTIMATE.start_main_~x~4)), 126062#(and (<= 15 ULTIMATE.start_main_~x~4) (<= ULTIMATE.start_main_~x~4 15)), 126065#(and (<= 18 ULTIMATE.start_main_~x~4) (<= ULTIMATE.start_main_~x~4 18)), 126064#(and (<= ULTIMATE.start_main_~x~4 17) (<= 17 ULTIMATE.start_main_~x~4)), 126067#(and (<= 20 ULTIMATE.start_main_~x~4) (<= ULTIMATE.start_main_~x~4 20)), 126066#(and (<= 19 ULTIMATE.start_main_~x~4) (<= ULTIMATE.start_main_~x~4 19)), 126069#(and (<= ULTIMATE.start_main_~x~4 22) (<= 22 ULTIMATE.start_main_~x~4)), 126068#(and (<= ULTIMATE.start_main_~x~4 21) (<= 21 ULTIMATE.start_main_~x~4)), 126071#(and (<= ULTIMATE.start_main_~x~4 24) (<= 24 ULTIMATE.start_main_~x~4)), 126070#(and (<= ULTIMATE.start_main_~x~4 23) (<= 23 ULTIMATE.start_main_~x~4)), 126073#(and (<= ULTIMATE.start_main_~x~4 26) (<= 26 ULTIMATE.start_main_~x~4)), 126072#(and (<= ULTIMATE.start_main_~x~4 25) (<= 25 ULTIMATE.start_main_~x~4)), 126075#(and (<= ULTIMATE.start_main_~x~4 28) (<= 28 ULTIMATE.start_main_~x~4)), 126074#(and (<= ULTIMATE.start_main_~x~4 27) (<= 27 ULTIMATE.start_main_~x~4)), 126077#(and (<= ULTIMATE.start_main_~x~4 30) (<= 30 ULTIMATE.start_main_~x~4)), 126076#(and (<= 29 ULTIMATE.start_main_~x~4) (<= ULTIMATE.start_main_~x~4 29)), 126079#(and (<= ULTIMATE.start_main_~x~4 32) (<= 32 ULTIMATE.start_main_~x~4)), 126078#(and (<= ULTIMATE.start_main_~x~4 31) (<= 31 ULTIMATE.start_main_~x~4)), 126081#(and (<= 34 ULTIMATE.start_main_~x~4) (<= ULTIMATE.start_main_~x~4 34)), 126080#(and (<= ULTIMATE.start_main_~x~4 33) (<= 33 ULTIMATE.start_main_~x~4)), 126083#(and (<= 36 ULTIMATE.start_main_~x~4) (<= ULTIMATE.start_main_~x~4 36)), 126082#(and (<= ULTIMATE.start_main_~x~4 35) (<= 35 ULTIMATE.start_main_~x~4)), 126085#(and (<= 38 ULTIMATE.start_main_~x~4) (<= ULTIMATE.start_main_~x~4 38)), 126084#(and (<= ULTIMATE.start_main_~x~4 37) (<= 37 ULTIMATE.start_main_~x~4)), 126087#(and (<= ULTIMATE.start_main_~x~4 40) (<= 40 ULTIMATE.start_main_~x~4)), 126086#(and (<= ULTIMATE.start_main_~x~4 39) (<= 39 ULTIMATE.start_main_~x~4)), 126089#(and (<= ULTIMATE.start_main_~x~4 42) (<= 42 ULTIMATE.start_main_~x~4)), 126088#(and (<= ULTIMATE.start_main_~x~4 41) (<= 41 ULTIMATE.start_main_~x~4)), 126091#(and (<= 44 ULTIMATE.start_main_~x~4) (<= ULTIMATE.start_main_~x~4 44)), 126090#(and (<= ULTIMATE.start_main_~x~4 43) (<= 43 ULTIMATE.start_main_~x~4)), 126093#(and (<= ULTIMATE.start_main_~x~4 46) (<= 46 ULTIMATE.start_main_~x~4)), 126092#(and (<= 45 ULTIMATE.start_main_~x~4) (<= ULTIMATE.start_main_~x~4 45)), 126095#(and (<= 48 ULTIMATE.start_main_~x~4) (<= ULTIMATE.start_main_~x~4 48)), 126094#(and (<= 47 ULTIMATE.start_main_~x~4) (<= ULTIMATE.start_main_~x~4 47)), 126097#(and (<= ULTIMATE.start_main_~x~4 50) (<= 50 ULTIMATE.start_main_~x~4)), 126096#(and (<= 49 ULTIMATE.start_main_~x~4) (<= ULTIMATE.start_main_~x~4 49)), 126099#(and (<= ULTIMATE.start_main_~x~4 52) (<= 52 ULTIMATE.start_main_~x~4)), 126098#(and (<= 51 ULTIMATE.start_main_~x~4) (<= ULTIMATE.start_main_~x~4 51)), 126101#(and (<= ULTIMATE.start_main_~x~4 54) (<= 54 ULTIMATE.start_main_~x~4)), 126100#(and (<= 53 ULTIMATE.start_main_~x~4) (<= ULTIMATE.start_main_~x~4 53)), 126103#(and (<= 56 ULTIMATE.start_main_~x~4) (<= ULTIMATE.start_main_~x~4 56)), 126102#(and (<= 55 ULTIMATE.start_main_~x~4) (<= ULTIMATE.start_main_~x~4 55)), 126105#(and (<= 58 ULTIMATE.start_main_~x~4) (<= ULTIMATE.start_main_~x~4 58)), 126104#(and (<= 57 ULTIMATE.start_main_~x~4) (<= ULTIMATE.start_main_~x~4 57)), 126107#(and (<= 60 ULTIMATE.start_main_~x~4) (<= ULTIMATE.start_main_~x~4 60)), 126106#(and (<= ULTIMATE.start_main_~x~4 59) (<= 59 ULTIMATE.start_main_~x~4)), 126109#(and (<= ULTIMATE.start_main_~x~4 62) (<= 62 ULTIMATE.start_main_~x~4)), 126108#(and (<= 61 ULTIMATE.start_main_~x~4) (<= ULTIMATE.start_main_~x~4 61)), 126111#(and (<= ULTIMATE.start_main_~x~4 64) (<= 64 ULTIMATE.start_main_~x~4)), 126110#(and (<= 63 ULTIMATE.start_main_~x~4) (<= ULTIMATE.start_main_~x~4 63)), 126113#(and (<= 66 ULTIMATE.start_main_~x~4) (<= ULTIMATE.start_main_~x~4 66)), 126112#(and (<= 65 ULTIMATE.start_main_~x~4) (<= ULTIMATE.start_main_~x~4 65)), 126115#(and (<= ULTIMATE.start_main_~x~4 68) (<= 68 ULTIMATE.start_main_~x~4)), 126114#(and (<= 67 ULTIMATE.start_main_~x~4) (<= ULTIMATE.start_main_~x~4 67)), 126117#(and (<= ULTIMATE.start_main_~x~4 70) (<= 70 ULTIMATE.start_main_~x~4)), 126116#(and (<= 69 ULTIMATE.start_main_~x~4) (<= ULTIMATE.start_main_~x~4 69)), 126119#(and (<= 72 ULTIMATE.start_main_~x~4) (<= ULTIMATE.start_main_~x~4 72)), 126118#(and (<= 71 ULTIMATE.start_main_~x~4) (<= ULTIMATE.start_main_~x~4 71)), 126121#(and (<= 74 ULTIMATE.start_main_~x~4) (<= ULTIMATE.start_main_~x~4 74)), 126120#(and (<= ULTIMATE.start_main_~x~4 73) (<= 73 ULTIMATE.start_main_~x~4)), 126123#(and (<= ULTIMATE.start_main_~x~4 76) (<= 76 ULTIMATE.start_main_~x~4)), 126122#(and (<= ULTIMATE.start_main_~x~4 75) (<= 75 ULTIMATE.start_main_~x~4)), 126125#(and (<= ULTIMATE.start_main_~x~4 78) (<= 78 ULTIMATE.start_main_~x~4)), 126124#(and (<= ULTIMATE.start_main_~x~4 77) (<= 77 ULTIMATE.start_main_~x~4)), 126127#(and (<= ULTIMATE.start_main_~x~4 80) (<= 80 ULTIMATE.start_main_~x~4)), 126126#(and (<= 79 ULTIMATE.start_main_~x~4) (<= ULTIMATE.start_main_~x~4 79)), 126129#(and (<= ULTIMATE.start_main_~x~4 82) (<= 82 ULTIMATE.start_main_~x~4)), 126128#(and (<= ULTIMATE.start_main_~x~4 81) (<= 81 ULTIMATE.start_main_~x~4)), 126131#(and (<= ULTIMATE.start_main_~x~4 84) (<= 84 ULTIMATE.start_main_~x~4)), 126130#(and (<= 83 ULTIMATE.start_main_~x~4) (<= ULTIMATE.start_main_~x~4 83)), 126133#(and (<= 86 ULTIMATE.start_main_~x~4) (<= ULTIMATE.start_main_~x~4 86)), 126132#(and (<= 85 ULTIMATE.start_main_~x~4) (<= ULTIMATE.start_main_~x~4 85)), 126135#(and (<= 88 ULTIMATE.start_main_~x~4) (<= ULTIMATE.start_main_~x~4 88)), 126134#(and (<= ULTIMATE.start_main_~x~4 87) (<= 87 ULTIMATE.start_main_~x~4)), 126137#(and (<= ULTIMATE.start_main_~x~4 90) (<= 90 ULTIMATE.start_main_~x~4)), 126136#(and (<= ULTIMATE.start_main_~x~4 89) (<= 89 ULTIMATE.start_main_~x~4)), 126139#(and (<= ULTIMATE.start_main_~x~4 92) (<= 92 ULTIMATE.start_main_~x~4)), 126138#(and (<= ULTIMATE.start_main_~x~4 91) (<= 91 ULTIMATE.start_main_~x~4)), 126141#(and (<= ULTIMATE.start_main_~x~4 94) (<= 94 ULTIMATE.start_main_~x~4)), 126140#(and (<= ULTIMATE.start_main_~x~4 93) (<= 93 ULTIMATE.start_main_~x~4)), 126143#(and (<= ULTIMATE.start_main_~x~4 96) (<= 96 ULTIMATE.start_main_~x~4)), 126142#(and (<= 95 ULTIMATE.start_main_~x~4) (<= ULTIMATE.start_main_~x~4 95)), 126145#(and (<= ULTIMATE.start_main_~x~4 98) (<= 98 ULTIMATE.start_main_~x~4)), 126144#(and (<= 97 ULTIMATE.start_main_~x~4) (<= ULTIMATE.start_main_~x~4 97)), 126147#(and (<= ULTIMATE.start_main_~x~4 100) (<= 100 ULTIMATE.start_main_~x~4)), 126146#(and (<= 99 ULTIMATE.start_main_~x~4) (<= ULTIMATE.start_main_~x~4 99)), 126149#(and (<= 102 ULTIMATE.start_main_~x~4) (<= ULTIMATE.start_main_~x~4 102)), 126148#(and (<= ULTIMATE.start_main_~x~4 101) (<= 101 ULTIMATE.start_main_~x~4)), 126151#(and (<= ULTIMATE.start_main_~x~4 104) (<= 104 ULTIMATE.start_main_~x~4)), 126150#(and (<= 103 ULTIMATE.start_main_~x~4) (<= ULTIMATE.start_main_~x~4 103)), 126153#(and (<= 106 ULTIMATE.start_main_~x~4) (<= ULTIMATE.start_main_~x~4 106)), 126152#(and (<= 105 ULTIMATE.start_main_~x~4) (<= ULTIMATE.start_main_~x~4 105)), 126155#(and (<= 108 ULTIMATE.start_main_~x~4) (<= ULTIMATE.start_main_~x~4 108)), 126154#(and (<= 107 ULTIMATE.start_main_~x~4) (<= ULTIMATE.start_main_~x~4 107)), 126157#(and (<= 110 ULTIMATE.start_main_~x~4) (<= ULTIMATE.start_main_~x~4 110)), 126156#(and (<= ULTIMATE.start_main_~x~4 109) (<= 109 ULTIMATE.start_main_~x~4)), 126159#(and (<= ULTIMATE.start_main_~x~4 112) (<= 112 ULTIMATE.start_main_~x~4)), 126158#(and (<= ULTIMATE.start_main_~x~4 111) (<= 111 ULTIMATE.start_main_~x~4)), 126161#(and (<= ULTIMATE.start_main_~x~4 114) (<= 114 ULTIMATE.start_main_~x~4)), 126160#(and (<= 113 ULTIMATE.start_main_~x~4) (<= ULTIMATE.start_main_~x~4 113)), 126163#(and (<= ULTIMATE.start_main_~x~4 116) (<= 116 ULTIMATE.start_main_~x~4)), 126162#(and (<= ULTIMATE.start_main_~x~4 115) (<= 115 ULTIMATE.start_main_~x~4)), 126165#(and (<= 118 ULTIMATE.start_main_~x~4) (<= ULTIMATE.start_main_~x~4 118)), 126164#(and (<= ULTIMATE.start_main_~x~4 117) (<= 117 ULTIMATE.start_main_~x~4)), 126167#(and (<= 120 ULTIMATE.start_main_~x~4) (<= ULTIMATE.start_main_~x~4 120)), 126166#(and (<= 119 ULTIMATE.start_main_~x~4) (<= ULTIMATE.start_main_~x~4 119)), 126169#(and (<= 122 ULTIMATE.start_main_~x~4) (<= ULTIMATE.start_main_~x~4 122)), 126168#(and (<= 121 ULTIMATE.start_main_~x~4) (<= ULTIMATE.start_main_~x~4 121)), 126171#(and (<= ULTIMATE.start_main_~x~4 124) (<= 124 ULTIMATE.start_main_~x~4)), 126170#(and (<= ULTIMATE.start_main_~x~4 123) (<= 123 ULTIMATE.start_main_~x~4)), 126173#(and (<= 126 ULTIMATE.start_main_~x~4) (<= ULTIMATE.start_main_~x~4 126)), 126172#(and (<= 125 ULTIMATE.start_main_~x~4) (<= ULTIMATE.start_main_~x~4 125)), 126175#(and (<= 128 ULTIMATE.start_main_~x~4) (<= ULTIMATE.start_main_~x~4 128)), 126174#(and (<= ULTIMATE.start_main_~x~4 127) (<= 127 ULTIMATE.start_main_~x~4)), 126177#(and (<= ULTIMATE.start_main_~x~4 130) (<= 130 ULTIMATE.start_main_~x~4)), 126176#(and (<= 129 ULTIMATE.start_main_~x~4) (<= ULTIMATE.start_main_~x~4 129)), 126179#(and (<= 132 ULTIMATE.start_main_~x~4) (<= ULTIMATE.start_main_~x~4 132)), 126178#(and (<= 131 ULTIMATE.start_main_~x~4) (<= ULTIMATE.start_main_~x~4 131)), 126181#(and (<= 134 ULTIMATE.start_main_~x~4) (<= ULTIMATE.start_main_~x~4 134)), 126180#(and (<= ULTIMATE.start_main_~x~4 133) (<= 133 ULTIMATE.start_main_~x~4)), 126183#(and (<= ULTIMATE.start_main_~x~4 136) (<= 136 ULTIMATE.start_main_~x~4)), 126182#(and (<= 135 ULTIMATE.start_main_~x~4) (<= ULTIMATE.start_main_~x~4 135)), 126185#(and (<= 138 ULTIMATE.start_main_~x~4) (<= ULTIMATE.start_main_~x~4 138)), 126184#(and (<= 137 ULTIMATE.start_main_~x~4) (<= ULTIMATE.start_main_~x~4 137)), 126187#(and (<= 140 ULTIMATE.start_main_~x~4) (<= ULTIMATE.start_main_~x~4 140)), 126186#(and (<= 139 ULTIMATE.start_main_~x~4) (<= ULTIMATE.start_main_~x~4 139)), 126189#(and (<= 142 ULTIMATE.start_main_~x~4) (<= ULTIMATE.start_main_~x~4 142)), 126188#(and (<= 141 ULTIMATE.start_main_~x~4) (<= ULTIMATE.start_main_~x~4 141)), 126191#(and (<= ULTIMATE.start_main_~x~4 144) (<= 144 ULTIMATE.start_main_~x~4)), 126190#(and (<= ULTIMATE.start_main_~x~4 143) (<= 143 ULTIMATE.start_main_~x~4)), 126193#(and (<= ULTIMATE.start_main_~x~4 146) (<= 146 ULTIMATE.start_main_~x~4)), 126192#(and (<= ULTIMATE.start_main_~x~4 145) (<= 145 ULTIMATE.start_main_~x~4)), 126195#(and (<= ULTIMATE.start_main_~x~4 148) (<= 148 ULTIMATE.start_main_~x~4)), 126194#(and (<= 147 ULTIMATE.start_main_~x~4) (<= ULTIMATE.start_main_~x~4 147)), 126197#(and (<= 150 ULTIMATE.start_main_~x~4) (<= ULTIMATE.start_main_~x~4 150)), 126196#(and (<= 149 ULTIMATE.start_main_~x~4) (<= ULTIMATE.start_main_~x~4 149)), 126199#(and (<= 152 ULTIMATE.start_main_~x~4) (<= ULTIMATE.start_main_~x~4 152)), 126198#(and (<= ULTIMATE.start_main_~x~4 151) (<= 151 ULTIMATE.start_main_~x~4)), 126201#(and (<= ULTIMATE.start_main_~x~4 154) (<= 154 ULTIMATE.start_main_~x~4)), 126200#(and (<= ULTIMATE.start_main_~x~4 153) (<= 153 ULTIMATE.start_main_~x~4)), 126203#(and (<= ULTIMATE.start_main_~x~4 156) (<= 156 ULTIMATE.start_main_~x~4)), 126202#(and (<= 155 ULTIMATE.start_main_~x~4) (<= ULTIMATE.start_main_~x~4 155)), 126205#(and (<= 158 ULTIMATE.start_main_~x~4) (<= ULTIMATE.start_main_~x~4 158)), 126204#(and (<= ULTIMATE.start_main_~x~4 157) (<= 157 ULTIMATE.start_main_~x~4)), 126207#(and (<= ULTIMATE.start_main_~x~4 160) (<= 160 ULTIMATE.start_main_~x~4)), 126206#(and (<= ULTIMATE.start_main_~x~4 159) (<= 159 ULTIMATE.start_main_~x~4))] [2018-07-23 13:53:31,980 INFO L134 CoverageAnalysis]: Checked inductivity of 27060 backedges. 0 proven. 27060 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-07-23 13:53:31,980 INFO L450 AbstractCegarLoop]: Interpolant automaton has 167 states [2018-07-23 13:53:31,980 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 167 interpolants. [2018-07-23 13:53:31,981 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=331, Invalid=27391, Unknown=0, NotChecked=0, Total=27722 [2018-07-23 13:53:31,982 INFO L87 Difference]: Start difference. First operand 333 states and 333 transitions. Second operand 167 states. [2018-07-23 13:53:33,899 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-07-23 13:53:33,900 INFO L93 Difference]: Finished difference Result 337 states and 337 transitions. [2018-07-23 13:53:33,900 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 167 states. [2018-07-23 13:53:33,900 INFO L78 Accepts]: Start accepts. Automaton has 167 states. Word has length 332 [2018-07-23 13:53:33,900 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-07-23 13:53:33,901 INFO L225 Difference]: With dead ends: 337 [2018-07-23 13:53:33,901 INFO L226 Difference]: Without dead ends: 335 [2018-07-23 13:53:33,902 INFO L575 BasicCegarLoop]: 0 DeclaredPredicates, 166 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 165 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 1.0s TimeCoverageRelationStatistics Valid=331, Invalid=27391, Unknown=0, NotChecked=0, Total=27722 [2018-07-23 13:53:33,902 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 335 states. [2018-07-23 13:53:33,910 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 335 to 335. [2018-07-23 13:53:33,910 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 335 states. [2018-07-23 13:53:33,911 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 335 states to 335 states and 335 transitions. [2018-07-23 13:53:33,911 INFO L78 Accepts]: Start accepts. Automaton has 335 states and 335 transitions. Word has length 332 [2018-07-23 13:53:33,911 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-07-23 13:53:33,911 INFO L471 AbstractCegarLoop]: Abstraction has 335 states and 335 transitions. [2018-07-23 13:53:33,911 INFO L472 AbstractCegarLoop]: Interpolant automaton has 167 states. [2018-07-23 13:53:33,911 INFO L276 IsEmpty]: Start isEmpty. Operand 335 states and 335 transitions. [2018-07-23 13:53:33,913 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 335 [2018-07-23 13:53:33,913 INFO L349 BasicCegarLoop]: Found error trace [2018-07-23 13:53:33,913 INFO L357 BasicCegarLoop]: trace histogram [166, 165, 1, 1, 1] [2018-07-23 13:53:33,913 INFO L414 AbstractCegarLoop]: === Iteration 166 === [ULTIMATE.startErr0AssertViolationASSERT]=== [2018-07-23 13:53:33,913 INFO L82 PathProgramCache]: Analyzing trace with hash -1074972759, now seen corresponding path program 165 times [2018-07-23 13:53:33,913 INFO L69 tionRefinementEngine]: Using refinement strategy FixedRefinementStrategy [2018-07-23 13:53:34,379 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-07-23 13:53:35,847 INFO L134 CoverageAnalysis]: Checked inductivity of 27390 backedges. 0 proven. 27390 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-07-23 13:53:35,848 INFO L309 seRefinementStrategy]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2018-07-23 13:53:35,848 INFO L324 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [167] total 167 [2018-07-23 13:53:35,848 INFO L142 lantAutomatonBuilder]: Constructing canonical interpolant automaton, with selfloop in false state [2018-07-23 13:53:35,848 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 13:53:35,849 INFO L185 omatonBuilderFactory]: Interpolants [127557#false, 127556#true, 127559#(and (<= ULTIMATE.start_main_~x~4 1) (<= 1 ULTIMATE.start_main_~x~4)), 127558#(and (<= ULTIMATE.start_main_~x~4 0) (<= 0 ULTIMATE.start_main_~x~4)), 127561#(and (<= 3 ULTIMATE.start_main_~x~4) (<= ULTIMATE.start_main_~x~4 3)), 127560#(and (<= 2 ULTIMATE.start_main_~x~4) (<= ULTIMATE.start_main_~x~4 2)), 127563#(and (<= ULTIMATE.start_main_~x~4 5) (<= 5 ULTIMATE.start_main_~x~4)), 127562#(and (<= ULTIMATE.start_main_~x~4 4) (<= 4 ULTIMATE.start_main_~x~4)), 127565#(and (<= ULTIMATE.start_main_~x~4 7) (<= 7 ULTIMATE.start_main_~x~4)), 127564#(and (<= 6 ULTIMATE.start_main_~x~4) (<= ULTIMATE.start_main_~x~4 6)), 127567#(and (<= 9 ULTIMATE.start_main_~x~4) (<= ULTIMATE.start_main_~x~4 9)), 127566#(and (<= ULTIMATE.start_main_~x~4 8) (<= 8 ULTIMATE.start_main_~x~4)), 127569#(and (<= ULTIMATE.start_main_~x~4 11) (<= 11 ULTIMATE.start_main_~x~4)), 127568#(and (<= ULTIMATE.start_main_~x~4 10) (<= 10 ULTIMATE.start_main_~x~4)), 127571#(and (<= ULTIMATE.start_main_~x~4 13) (<= 13 ULTIMATE.start_main_~x~4)), 127570#(and (<= 12 ULTIMATE.start_main_~x~4) (<= ULTIMATE.start_main_~x~4 12)), 127573#(and (<= 15 ULTIMATE.start_main_~x~4) (<= ULTIMATE.start_main_~x~4 15)), 127572#(and (<= 14 ULTIMATE.start_main_~x~4) (<= ULTIMATE.start_main_~x~4 14)), 127575#(and (<= ULTIMATE.start_main_~x~4 17) (<= 17 ULTIMATE.start_main_~x~4)), 127574#(and (<= ULTIMATE.start_main_~x~4 16) (<= 16 ULTIMATE.start_main_~x~4)), 127577#(and (<= 19 ULTIMATE.start_main_~x~4) (<= ULTIMATE.start_main_~x~4 19)), 127576#(and (<= 18 ULTIMATE.start_main_~x~4) (<= ULTIMATE.start_main_~x~4 18)), 127579#(and (<= ULTIMATE.start_main_~x~4 21) (<= 21 ULTIMATE.start_main_~x~4)), 127578#(and (<= 20 ULTIMATE.start_main_~x~4) (<= ULTIMATE.start_main_~x~4 20)), 127581#(and (<= ULTIMATE.start_main_~x~4 23) (<= 23 ULTIMATE.start_main_~x~4)), 127580#(and (<= ULTIMATE.start_main_~x~4 22) (<= 22 ULTIMATE.start_main_~x~4)), 127583#(and (<= ULTIMATE.start_main_~x~4 25) (<= 25 ULTIMATE.start_main_~x~4)), 127582#(and (<= ULTIMATE.start_main_~x~4 24) (<= 24 ULTIMATE.start_main_~x~4)), 127585#(and (<= ULTIMATE.start_main_~x~4 27) (<= 27 ULTIMATE.start_main_~x~4)), 127584#(and (<= ULTIMATE.start_main_~x~4 26) (<= 26 ULTIMATE.start_main_~x~4)), 127587#(and (<= 29 ULTIMATE.start_main_~x~4) (<= ULTIMATE.start_main_~x~4 29)), 127586#(and (<= ULTIMATE.start_main_~x~4 28) (<= 28 ULTIMATE.start_main_~x~4)), 127589#(and (<= ULTIMATE.start_main_~x~4 31) (<= 31 ULTIMATE.start_main_~x~4)), 127588#(and (<= ULTIMATE.start_main_~x~4 30) (<= 30 ULTIMATE.start_main_~x~4)), 127591#(and (<= ULTIMATE.start_main_~x~4 33) (<= 33 ULTIMATE.start_main_~x~4)), 127590#(and (<= ULTIMATE.start_main_~x~4 32) (<= 32 ULTIMATE.start_main_~x~4)), 127593#(and (<= ULTIMATE.start_main_~x~4 35) (<= 35 ULTIMATE.start_main_~x~4)), 127592#(and (<= 34 ULTIMATE.start_main_~x~4) (<= ULTIMATE.start_main_~x~4 34)), 127595#(and (<= ULTIMATE.start_main_~x~4 37) (<= 37 ULTIMATE.start_main_~x~4)), 127594#(and (<= 36 ULTIMATE.start_main_~x~4) (<= ULTIMATE.start_main_~x~4 36)), 127597#(and (<= ULTIMATE.start_main_~x~4 39) (<= 39 ULTIMATE.start_main_~x~4)), 127596#(and (<= 38 ULTIMATE.start_main_~x~4) (<= ULTIMATE.start_main_~x~4 38)), 127599#(and (<= ULTIMATE.start_main_~x~4 41) (<= 41 ULTIMATE.start_main_~x~4)), 127598#(and (<= ULTIMATE.start_main_~x~4 40) (<= 40 ULTIMATE.start_main_~x~4)), 127601#(and (<= ULTIMATE.start_main_~x~4 43) (<= 43 ULTIMATE.start_main_~x~4)), 127600#(and (<= ULTIMATE.start_main_~x~4 42) (<= 42 ULTIMATE.start_main_~x~4)), 127603#(and (<= 45 ULTIMATE.start_main_~x~4) (<= ULTIMATE.start_main_~x~4 45)), 127602#(and (<= 44 ULTIMATE.start_main_~x~4) (<= ULTIMATE.start_main_~x~4 44)), 127605#(and (<= 47 ULTIMATE.start_main_~x~4) (<= ULTIMATE.start_main_~x~4 47)), 127604#(and (<= ULTIMATE.start_main_~x~4 46) (<= 46 ULTIMATE.start_main_~x~4)), 127607#(and (<= 49 ULTIMATE.start_main_~x~4) (<= ULTIMATE.start_main_~x~4 49)), 127606#(and (<= 48 ULTIMATE.start_main_~x~4) (<= ULTIMATE.start_main_~x~4 48)), 127609#(and (<= 51 ULTIMATE.start_main_~x~4) (<= ULTIMATE.start_main_~x~4 51)), 127608#(and (<= ULTIMATE.start_main_~x~4 50) (<= 50 ULTIMATE.start_main_~x~4)), 127611#(and (<= 53 ULTIMATE.start_main_~x~4) (<= ULTIMATE.start_main_~x~4 53)), 127610#(and (<= ULTIMATE.start_main_~x~4 52) (<= 52 ULTIMATE.start_main_~x~4)), 127613#(and (<= 55 ULTIMATE.start_main_~x~4) (<= ULTIMATE.start_main_~x~4 55)), 127612#(and (<= ULTIMATE.start_main_~x~4 54) (<= 54 ULTIMATE.start_main_~x~4)), 127615#(and (<= 57 ULTIMATE.start_main_~x~4) (<= ULTIMATE.start_main_~x~4 57)), 127614#(and (<= 56 ULTIMATE.start_main_~x~4) (<= ULTIMATE.start_main_~x~4 56)), 127617#(and (<= ULTIMATE.start_main_~x~4 59) (<= 59 ULTIMATE.start_main_~x~4)), 127616#(and (<= 58 ULTIMATE.start_main_~x~4) (<= ULTIMATE.start_main_~x~4 58)), 127619#(and (<= 61 ULTIMATE.start_main_~x~4) (<= ULTIMATE.start_main_~x~4 61)), 127618#(and (<= 60 ULTIMATE.start_main_~x~4) (<= ULTIMATE.start_main_~x~4 60)), 127621#(and (<= 63 ULTIMATE.start_main_~x~4) (<= ULTIMATE.start_main_~x~4 63)), 127620#(and (<= ULTIMATE.start_main_~x~4 62) (<= 62 ULTIMATE.start_main_~x~4)), 127623#(and (<= 65 ULTIMATE.start_main_~x~4) (<= ULTIMATE.start_main_~x~4 65)), 127622#(and (<= ULTIMATE.start_main_~x~4 64) (<= 64 ULTIMATE.start_main_~x~4)), 127625#(and (<= 67 ULTIMATE.start_main_~x~4) (<= ULTIMATE.start_main_~x~4 67)), 127624#(and (<= 66 ULTIMATE.start_main_~x~4) (<= ULTIMATE.start_main_~x~4 66)), 127627#(and (<= 69 ULTIMATE.start_main_~x~4) (<= ULTIMATE.start_main_~x~4 69)), 127626#(and (<= ULTIMATE.start_main_~x~4 68) (<= 68 ULTIMATE.start_main_~x~4)), 127629#(and (<= 71 ULTIMATE.start_main_~x~4) (<= ULTIMATE.start_main_~x~4 71)), 127628#(and (<= ULTIMATE.start_main_~x~4 70) (<= 70 ULTIMATE.start_main_~x~4)), 127631#(and (<= ULTIMATE.start_main_~x~4 73) (<= 73 ULTIMATE.start_main_~x~4)), 127630#(and (<= 72 ULTIMATE.start_main_~x~4) (<= ULTIMATE.start_main_~x~4 72)), 127633#(and (<= ULTIMATE.start_main_~x~4 75) (<= 75 ULTIMATE.start_main_~x~4)), 127632#(and (<= 74 ULTIMATE.start_main_~x~4) (<= ULTIMATE.start_main_~x~4 74)), 127635#(and (<= ULTIMATE.start_main_~x~4 77) (<= 77 ULTIMATE.start_main_~x~4)), 127634#(and (<= ULTIMATE.start_main_~x~4 76) (<= 76 ULTIMATE.start_main_~x~4)), 127637#(and (<= 79 ULTIMATE.start_main_~x~4) (<= ULTIMATE.start_main_~x~4 79)), 127636#(and (<= ULTIMATE.start_main_~x~4 78) (<= 78 ULTIMATE.start_main_~x~4)), 127639#(and (<= ULTIMATE.start_main_~x~4 81) (<= 81 ULTIMATE.start_main_~x~4)), 127638#(and (<= ULTIMATE.start_main_~x~4 80) (<= 80 ULTIMATE.start_main_~x~4)), 127641#(and (<= 83 ULTIMATE.start_main_~x~4) (<= ULTIMATE.start_main_~x~4 83)), 127640#(and (<= ULTIMATE.start_main_~x~4 82) (<= 82 ULTIMATE.start_main_~x~4)), 127643#(and (<= 85 ULTIMATE.start_main_~x~4) (<= ULTIMATE.start_main_~x~4 85)), 127642#(and (<= ULTIMATE.start_main_~x~4 84) (<= 84 ULTIMATE.start_main_~x~4)), 127645#(and (<= ULTIMATE.start_main_~x~4 87) (<= 87 ULTIMATE.start_main_~x~4)), 127644#(and (<= 86 ULTIMATE.start_main_~x~4) (<= ULTIMATE.start_main_~x~4 86)), 127647#(and (<= ULTIMATE.start_main_~x~4 89) (<= 89 ULTIMATE.start_main_~x~4)), 127646#(and (<= 88 ULTIMATE.start_main_~x~4) (<= ULTIMATE.start_main_~x~4 88)), 127649#(and (<= ULTIMATE.start_main_~x~4 91) (<= 91 ULTIMATE.start_main_~x~4)), 127648#(and (<= ULTIMATE.start_main_~x~4 90) (<= 90 ULTIMATE.start_main_~x~4)), 127651#(and (<= ULTIMATE.start_main_~x~4 93) (<= 93 ULTIMATE.start_main_~x~4)), 127650#(and (<= ULTIMATE.start_main_~x~4 92) (<= 92 ULTIMATE.start_main_~x~4)), 127653#(and (<= 95 ULTIMATE.start_main_~x~4) (<= ULTIMATE.start_main_~x~4 95)), 127652#(and (<= ULTIMATE.start_main_~x~4 94) (<= 94 ULTIMATE.start_main_~x~4)), 127655#(and (<= 97 ULTIMATE.start_main_~x~4) (<= ULTIMATE.start_main_~x~4 97)), 127654#(and (<= ULTIMATE.start_main_~x~4 96) (<= 96 ULTIMATE.start_main_~x~4)), 127657#(and (<= 99 ULTIMATE.start_main_~x~4) (<= ULTIMATE.start_main_~x~4 99)), 127656#(and (<= ULTIMATE.start_main_~x~4 98) (<= 98 ULTIMATE.start_main_~x~4)), 127659#(and (<= ULTIMATE.start_main_~x~4 101) (<= 101 ULTIMATE.start_main_~x~4)), 127658#(and (<= ULTIMATE.start_main_~x~4 100) (<= 100 ULTIMATE.start_main_~x~4)), 127661#(and (<= 103 ULTIMATE.start_main_~x~4) (<= ULTIMATE.start_main_~x~4 103)), 127660#(and (<= 102 ULTIMATE.start_main_~x~4) (<= ULTIMATE.start_main_~x~4 102)), 127663#(and (<= 105 ULTIMATE.start_main_~x~4) (<= ULTIMATE.start_main_~x~4 105)), 127662#(and (<= ULTIMATE.start_main_~x~4 104) (<= 104 ULTIMATE.start_main_~x~4)), 127665#(and (<= 107 ULTIMATE.start_main_~x~4) (<= ULTIMATE.start_main_~x~4 107)), 127664#(and (<= 106 ULTIMATE.start_main_~x~4) (<= ULTIMATE.start_main_~x~4 106)), 127667#(and (<= ULTIMATE.start_main_~x~4 109) (<= 109 ULTIMATE.start_main_~x~4)), 127666#(and (<= 108 ULTIMATE.start_main_~x~4) (<= ULTIMATE.start_main_~x~4 108)), 127669#(and (<= ULTIMATE.start_main_~x~4 111) (<= 111 ULTIMATE.start_main_~x~4)), 127668#(and (<= 110 ULTIMATE.start_main_~x~4) (<= ULTIMATE.start_main_~x~4 110)), 127671#(and (<= 113 ULTIMATE.start_main_~x~4) (<= ULTIMATE.start_main_~x~4 113)), 127670#(and (<= ULTIMATE.start_main_~x~4 112) (<= 112 ULTIMATE.start_main_~x~4)), 127673#(and (<= ULTIMATE.start_main_~x~4 115) (<= 115 ULTIMATE.start_main_~x~4)), 127672#(and (<= ULTIMATE.start_main_~x~4 114) (<= 114 ULTIMATE.start_main_~x~4)), 127675#(and (<= ULTIMATE.start_main_~x~4 117) (<= 117 ULTIMATE.start_main_~x~4)), 127674#(and (<= ULTIMATE.start_main_~x~4 116) (<= 116 ULTIMATE.start_main_~x~4)), 127677#(and (<= 119 ULTIMATE.start_main_~x~4) (<= ULTIMATE.start_main_~x~4 119)), 127676#(and (<= 118 ULTIMATE.start_main_~x~4) (<= ULTIMATE.start_main_~x~4 118)), 127679#(and (<= 121 ULTIMATE.start_main_~x~4) (<= ULTIMATE.start_main_~x~4 121)), 127678#(and (<= 120 ULTIMATE.start_main_~x~4) (<= ULTIMATE.start_main_~x~4 120)), 127681#(and (<= ULTIMATE.start_main_~x~4 123) (<= 123 ULTIMATE.start_main_~x~4)), 127680#(and (<= 122 ULTIMATE.start_main_~x~4) (<= ULTIMATE.start_main_~x~4 122)), 127683#(and (<= 125 ULTIMATE.start_main_~x~4) (<= ULTIMATE.start_main_~x~4 125)), 127682#(and (<= ULTIMATE.start_main_~x~4 124) (<= 124 ULTIMATE.start_main_~x~4)), 127685#(and (<= ULTIMATE.start_main_~x~4 127) (<= 127 ULTIMATE.start_main_~x~4)), 127684#(and (<= 126 ULTIMATE.start_main_~x~4) (<= ULTIMATE.start_main_~x~4 126)), 127687#(and (<= 129 ULTIMATE.start_main_~x~4) (<= ULTIMATE.start_main_~x~4 129)), 127686#(and (<= 128 ULTIMATE.start_main_~x~4) (<= ULTIMATE.start_main_~x~4 128)), 127689#(and (<= 131 ULTIMATE.start_main_~x~4) (<= ULTIMATE.start_main_~x~4 131)), 127688#(and (<= ULTIMATE.start_main_~x~4 130) (<= 130 ULTIMATE.start_main_~x~4)), 127691#(and (<= ULTIMATE.start_main_~x~4 133) (<= 133 ULTIMATE.start_main_~x~4)), 127690#(and (<= 132 ULTIMATE.start_main_~x~4) (<= ULTIMATE.start_main_~x~4 132)), 127693#(and (<= 135 ULTIMATE.start_main_~x~4) (<= ULTIMATE.start_main_~x~4 135)), 127692#(and (<= 134 ULTIMATE.start_main_~x~4) (<= ULTIMATE.start_main_~x~4 134)), 127695#(and (<= 137 ULTIMATE.start_main_~x~4) (<= ULTIMATE.start_main_~x~4 137)), 127694#(and (<= ULTIMATE.start_main_~x~4 136) (<= 136 ULTIMATE.start_main_~x~4)), 127697#(and (<= 139 ULTIMATE.start_main_~x~4) (<= ULTIMATE.start_main_~x~4 139)), 127696#(and (<= 138 ULTIMATE.start_main_~x~4) (<= ULTIMATE.start_main_~x~4 138)), 127699#(and (<= 141 ULTIMATE.start_main_~x~4) (<= ULTIMATE.start_main_~x~4 141)), 127698#(and (<= 140 ULTIMATE.start_main_~x~4) (<= ULTIMATE.start_main_~x~4 140)), 127701#(and (<= ULTIMATE.start_main_~x~4 143) (<= 143 ULTIMATE.start_main_~x~4)), 127700#(and (<= 142 ULTIMATE.start_main_~x~4) (<= ULTIMATE.start_main_~x~4 142)), 127703#(and (<= ULTIMATE.start_main_~x~4 145) (<= 145 ULTIMATE.start_main_~x~4)), 127702#(and (<= ULTIMATE.start_main_~x~4 144) (<= 144 ULTIMATE.start_main_~x~4)), 127705#(and (<= 147 ULTIMATE.start_main_~x~4) (<= ULTIMATE.start_main_~x~4 147)), 127704#(and (<= ULTIMATE.start_main_~x~4 146) (<= 146 ULTIMATE.start_main_~x~4)), 127707#(and (<= 149 ULTIMATE.start_main_~x~4) (<= ULTIMATE.start_main_~x~4 149)), 127706#(and (<= ULTIMATE.start_main_~x~4 148) (<= 148 ULTIMATE.start_main_~x~4)), 127709#(and (<= ULTIMATE.start_main_~x~4 151) (<= 151 ULTIMATE.start_main_~x~4)), 127708#(and (<= 150 ULTIMATE.start_main_~x~4) (<= ULTIMATE.start_main_~x~4 150)), 127711#(and (<= ULTIMATE.start_main_~x~4 153) (<= 153 ULTIMATE.start_main_~x~4)), 127710#(and (<= 152 ULTIMATE.start_main_~x~4) (<= ULTIMATE.start_main_~x~4 152)), 127713#(and (<= 155 ULTIMATE.start_main_~x~4) (<= ULTIMATE.start_main_~x~4 155)), 127712#(and (<= ULTIMATE.start_main_~x~4 154) (<= 154 ULTIMATE.start_main_~x~4)), 127715#(and (<= ULTIMATE.start_main_~x~4 157) (<= 157 ULTIMATE.start_main_~x~4)), 127714#(and (<= ULTIMATE.start_main_~x~4 156) (<= 156 ULTIMATE.start_main_~x~4)), 127717#(and (<= ULTIMATE.start_main_~x~4 159) (<= 159 ULTIMATE.start_main_~x~4)), 127716#(and (<= 158 ULTIMATE.start_main_~x~4) (<= ULTIMATE.start_main_~x~4 158)), 127719#(and (<= 161 ULTIMATE.start_main_~x~4) (<= ULTIMATE.start_main_~x~4 161)), 127718#(and (<= ULTIMATE.start_main_~x~4 160) (<= 160 ULTIMATE.start_main_~x~4)), 127721#(and (<= 163 ULTIMATE.start_main_~x~4) (<= ULTIMATE.start_main_~x~4 163)), 127720#(and (<= 162 ULTIMATE.start_main_~x~4) (<= ULTIMATE.start_main_~x~4 162)), 127723#(and (<= 165 ULTIMATE.start_main_~x~4) (<= ULTIMATE.start_main_~x~4 165)), 127722#(and (<= 164 ULTIMATE.start_main_~x~4) (<= ULTIMATE.start_main_~x~4 164))] [2018-07-23 13:53:35,850 INFO L134 CoverageAnalysis]: Checked inductivity of 27390 backedges. 0 proven. 27390 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-07-23 13:53:35,850 INFO L450 AbstractCegarLoop]: Interpolant automaton has 168 states [2018-07-23 13:53:35,850 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 168 interpolants. [2018-07-23 13:53:35,851 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=333, Invalid=27723, Unknown=0, NotChecked=0, Total=28056 [2018-07-23 13:53:35,851 INFO L87 Difference]: Start difference. First operand 335 states and 335 transitions. Second operand 168 states. [2018-07-23 13:53:37,788 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-07-23 13:53:37,788 INFO L93 Difference]: Finished difference Result 339 states and 339 transitions. [2018-07-23 13:53:37,788 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 168 states. [2018-07-23 13:53:37,788 INFO L78 Accepts]: Start accepts. Automaton has 168 states. Word has length 334 [2018-07-23 13:53:37,789 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-07-23 13:53:37,789 INFO L225 Difference]: With dead ends: 339 [2018-07-23 13:53:37,789 INFO L226 Difference]: Without dead ends: 337 [2018-07-23 13:53:37,791 INFO L575 BasicCegarLoop]: 0 DeclaredPredicates, 167 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 166 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 1.1s TimeCoverageRelationStatistics Valid=333, Invalid=27723, Unknown=0, NotChecked=0, Total=28056 [2018-07-23 13:53:37,791 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 337 states. [2018-07-23 13:53:37,799 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 337 to 337. [2018-07-23 13:53:37,799 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 337 states. [2018-07-23 13:53:37,799 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 337 states to 337 states and 337 transitions. [2018-07-23 13:53:37,799 INFO L78 Accepts]: Start accepts. Automaton has 337 states and 337 transitions. Word has length 334 [2018-07-23 13:53:37,799 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-07-23 13:53:37,800 INFO L471 AbstractCegarLoop]: Abstraction has 337 states and 337 transitions. [2018-07-23 13:53:37,800 INFO L472 AbstractCegarLoop]: Interpolant automaton has 168 states. [2018-07-23 13:53:37,800 INFO L276 IsEmpty]: Start isEmpty. Operand 337 states and 337 transitions. [2018-07-23 13:53:37,801 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 337 [2018-07-23 13:53:37,801 INFO L349 BasicCegarLoop]: Found error trace [2018-07-23 13:53:37,801 INFO L357 BasicCegarLoop]: trace histogram [167, 166, 1, 1, 1] [2018-07-23 13:53:37,801 INFO L414 AbstractCegarLoop]: === Iteration 167 === [ULTIMATE.startErr0AssertViolationASSERT]=== [2018-07-23 13:53:37,801 INFO L82 PathProgramCache]: Analyzing trace with hash 2038349027, now seen corresponding path program 166 times [2018-07-23 13:53:37,801 INFO L69 tionRefinementEngine]: Using refinement strategy FixedRefinementStrategy [2018-07-23 13:53:38,333 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-07-23 13:53:39,814 INFO L134 CoverageAnalysis]: Checked inductivity of 27722 backedges. 0 proven. 27722 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-07-23 13:53:39,815 INFO L309 seRefinementStrategy]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2018-07-23 13:53:39,815 INFO L324 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [168] total 168 [2018-07-23 13:53:39,815 INFO L142 lantAutomatonBuilder]: Constructing canonical interpolant automaton, with selfloop in false state [2018-07-23 13:53:39,815 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 13:53:39,816 INFO L185 omatonBuilderFactory]: Interpolants [129077#false, 129076#true, 129079#(and (<= ULTIMATE.start_main_~x~4 1) (<= 1 ULTIMATE.start_main_~x~4)), 129078#(and (<= ULTIMATE.start_main_~x~4 0) (<= 0 ULTIMATE.start_main_~x~4)), 129081#(and (<= 3 ULTIMATE.start_main_~x~4) (<= ULTIMATE.start_main_~x~4 3)), 129080#(and (<= 2 ULTIMATE.start_main_~x~4) (<= ULTIMATE.start_main_~x~4 2)), 129083#(and (<= ULTIMATE.start_main_~x~4 5) (<= 5 ULTIMATE.start_main_~x~4)), 129082#(and (<= ULTIMATE.start_main_~x~4 4) (<= 4 ULTIMATE.start_main_~x~4)), 129085#(and (<= ULTIMATE.start_main_~x~4 7) (<= 7 ULTIMATE.start_main_~x~4)), 129084#(and (<= 6 ULTIMATE.start_main_~x~4) (<= ULTIMATE.start_main_~x~4 6)), 129087#(and (<= 9 ULTIMATE.start_main_~x~4) (<= ULTIMATE.start_main_~x~4 9)), 129086#(and (<= ULTIMATE.start_main_~x~4 8) (<= 8 ULTIMATE.start_main_~x~4)), 129089#(and (<= ULTIMATE.start_main_~x~4 11) (<= 11 ULTIMATE.start_main_~x~4)), 129088#(and (<= ULTIMATE.start_main_~x~4 10) (<= 10 ULTIMATE.start_main_~x~4)), 129091#(and (<= ULTIMATE.start_main_~x~4 13) (<= 13 ULTIMATE.start_main_~x~4)), 129090#(and (<= 12 ULTIMATE.start_main_~x~4) (<= ULTIMATE.start_main_~x~4 12)), 129093#(and (<= 15 ULTIMATE.start_main_~x~4) (<= ULTIMATE.start_main_~x~4 15)), 129092#(and (<= 14 ULTIMATE.start_main_~x~4) (<= ULTIMATE.start_main_~x~4 14)), 129095#(and (<= ULTIMATE.start_main_~x~4 17) (<= 17 ULTIMATE.start_main_~x~4)), 129094#(and (<= ULTIMATE.start_main_~x~4 16) (<= 16 ULTIMATE.start_main_~x~4)), 129097#(and (<= 19 ULTIMATE.start_main_~x~4) (<= ULTIMATE.start_main_~x~4 19)), 129096#(and (<= 18 ULTIMATE.start_main_~x~4) (<= ULTIMATE.start_main_~x~4 18)), 129099#(and (<= ULTIMATE.start_main_~x~4 21) (<= 21 ULTIMATE.start_main_~x~4)), 129098#(and (<= 20 ULTIMATE.start_main_~x~4) (<= ULTIMATE.start_main_~x~4 20)), 129101#(and (<= ULTIMATE.start_main_~x~4 23) (<= 23 ULTIMATE.start_main_~x~4)), 129100#(and (<= ULTIMATE.start_main_~x~4 22) (<= 22 ULTIMATE.start_main_~x~4)), 129103#(and (<= ULTIMATE.start_main_~x~4 25) (<= 25 ULTIMATE.start_main_~x~4)), 129102#(and (<= ULTIMATE.start_main_~x~4 24) (<= 24 ULTIMATE.start_main_~x~4)), 129105#(and (<= ULTIMATE.start_main_~x~4 27) (<= 27 ULTIMATE.start_main_~x~4)), 129104#(and (<= ULTIMATE.start_main_~x~4 26) (<= 26 ULTIMATE.start_main_~x~4)), 129107#(and (<= 29 ULTIMATE.start_main_~x~4) (<= ULTIMATE.start_main_~x~4 29)), 129106#(and (<= ULTIMATE.start_main_~x~4 28) (<= 28 ULTIMATE.start_main_~x~4)), 129109#(and (<= ULTIMATE.start_main_~x~4 31) (<= 31 ULTIMATE.start_main_~x~4)), 129108#(and (<= ULTIMATE.start_main_~x~4 30) (<= 30 ULTIMATE.start_main_~x~4)), 129111#(and (<= ULTIMATE.start_main_~x~4 33) (<= 33 ULTIMATE.start_main_~x~4)), 129110#(and (<= ULTIMATE.start_main_~x~4 32) (<= 32 ULTIMATE.start_main_~x~4)), 129113#(and (<= ULTIMATE.start_main_~x~4 35) (<= 35 ULTIMATE.start_main_~x~4)), 129112#(and (<= 34 ULTIMATE.start_main_~x~4) (<= ULTIMATE.start_main_~x~4 34)), 129115#(and (<= ULTIMATE.start_main_~x~4 37) (<= 37 ULTIMATE.start_main_~x~4)), 129114#(and (<= 36 ULTIMATE.start_main_~x~4) (<= ULTIMATE.start_main_~x~4 36)), 129117#(and (<= ULTIMATE.start_main_~x~4 39) (<= 39 ULTIMATE.start_main_~x~4)), 129116#(and (<= 38 ULTIMATE.start_main_~x~4) (<= ULTIMATE.start_main_~x~4 38)), 129119#(and (<= ULTIMATE.start_main_~x~4 41) (<= 41 ULTIMATE.start_main_~x~4)), 129118#(and (<= ULTIMATE.start_main_~x~4 40) (<= 40 ULTIMATE.start_main_~x~4)), 129121#(and (<= ULTIMATE.start_main_~x~4 43) (<= 43 ULTIMATE.start_main_~x~4)), 129120#(and (<= ULTIMATE.start_main_~x~4 42) (<= 42 ULTIMATE.start_main_~x~4)), 129123#(and (<= 45 ULTIMATE.start_main_~x~4) (<= ULTIMATE.start_main_~x~4 45)), 129122#(and (<= 44 ULTIMATE.start_main_~x~4) (<= ULTIMATE.start_main_~x~4 44)), 129125#(and (<= 47 ULTIMATE.start_main_~x~4) (<= ULTIMATE.start_main_~x~4 47)), 129124#(and (<= ULTIMATE.start_main_~x~4 46) (<= 46 ULTIMATE.start_main_~x~4)), 129127#(and (<= 49 ULTIMATE.start_main_~x~4) (<= ULTIMATE.start_main_~x~4 49)), 129126#(and (<= 48 ULTIMATE.start_main_~x~4) (<= ULTIMATE.start_main_~x~4 48)), 129129#(and (<= 51 ULTIMATE.start_main_~x~4) (<= ULTIMATE.start_main_~x~4 51)), 129128#(and (<= ULTIMATE.start_main_~x~4 50) (<= 50 ULTIMATE.start_main_~x~4)), 129131#(and (<= 53 ULTIMATE.start_main_~x~4) (<= ULTIMATE.start_main_~x~4 53)), 129130#(and (<= ULTIMATE.start_main_~x~4 52) (<= 52 ULTIMATE.start_main_~x~4)), 129133#(and (<= 55 ULTIMATE.start_main_~x~4) (<= ULTIMATE.start_main_~x~4 55)), 129132#(and (<= ULTIMATE.start_main_~x~4 54) (<= 54 ULTIMATE.start_main_~x~4)), 129135#(and (<= 57 ULTIMATE.start_main_~x~4) (<= ULTIMATE.start_main_~x~4 57)), 129134#(and (<= 56 ULTIMATE.start_main_~x~4) (<= ULTIMATE.start_main_~x~4 56)), 129137#(and (<= ULTIMATE.start_main_~x~4 59) (<= 59 ULTIMATE.start_main_~x~4)), 129136#(and (<= 58 ULTIMATE.start_main_~x~4) (<= ULTIMATE.start_main_~x~4 58)), 129139#(and (<= 61 ULTIMATE.start_main_~x~4) (<= ULTIMATE.start_main_~x~4 61)), 129138#(and (<= 60 ULTIMATE.start_main_~x~4) (<= ULTIMATE.start_main_~x~4 60)), 129141#(and (<= 63 ULTIMATE.start_main_~x~4) (<= ULTIMATE.start_main_~x~4 63)), 129140#(and (<= ULTIMATE.start_main_~x~4 62) (<= 62 ULTIMATE.start_main_~x~4)), 129143#(and (<= 65 ULTIMATE.start_main_~x~4) (<= ULTIMATE.start_main_~x~4 65)), 129142#(and (<= ULTIMATE.start_main_~x~4 64) (<= 64 ULTIMATE.start_main_~x~4)), 129145#(and (<= 67 ULTIMATE.start_main_~x~4) (<= ULTIMATE.start_main_~x~4 67)), 129144#(and (<= 66 ULTIMATE.start_main_~x~4) (<= ULTIMATE.start_main_~x~4 66)), 129147#(and (<= 69 ULTIMATE.start_main_~x~4) (<= ULTIMATE.start_main_~x~4 69)), 129146#(and (<= ULTIMATE.start_main_~x~4 68) (<= 68 ULTIMATE.start_main_~x~4)), 129149#(and (<= 71 ULTIMATE.start_main_~x~4) (<= ULTIMATE.start_main_~x~4 71)), 129148#(and (<= ULTIMATE.start_main_~x~4 70) (<= 70 ULTIMATE.start_main_~x~4)), 129151#(and (<= ULTIMATE.start_main_~x~4 73) (<= 73 ULTIMATE.start_main_~x~4)), 129150#(and (<= 72 ULTIMATE.start_main_~x~4) (<= ULTIMATE.start_main_~x~4 72)), 129153#(and (<= ULTIMATE.start_main_~x~4 75) (<= 75 ULTIMATE.start_main_~x~4)), 129152#(and (<= 74 ULTIMATE.start_main_~x~4) (<= ULTIMATE.start_main_~x~4 74)), 129155#(and (<= ULTIMATE.start_main_~x~4 77) (<= 77 ULTIMATE.start_main_~x~4)), 129154#(and (<= ULTIMATE.start_main_~x~4 76) (<= 76 ULTIMATE.start_main_~x~4)), 129157#(and (<= 79 ULTIMATE.start_main_~x~4) (<= ULTIMATE.start_main_~x~4 79)), 129156#(and (<= ULTIMATE.start_main_~x~4 78) (<= 78 ULTIMATE.start_main_~x~4)), 129159#(and (<= ULTIMATE.start_main_~x~4 81) (<= 81 ULTIMATE.start_main_~x~4)), 129158#(and (<= ULTIMATE.start_main_~x~4 80) (<= 80 ULTIMATE.start_main_~x~4)), 129161#(and (<= 83 ULTIMATE.start_main_~x~4) (<= ULTIMATE.start_main_~x~4 83)), 129160#(and (<= ULTIMATE.start_main_~x~4 82) (<= 82 ULTIMATE.start_main_~x~4)), 129163#(and (<= 85 ULTIMATE.start_main_~x~4) (<= ULTIMATE.start_main_~x~4 85)), 129162#(and (<= ULTIMATE.start_main_~x~4 84) (<= 84 ULTIMATE.start_main_~x~4)), 129165#(and (<= ULTIMATE.start_main_~x~4 87) (<= 87 ULTIMATE.start_main_~x~4)), 129164#(and (<= 86 ULTIMATE.start_main_~x~4) (<= ULTIMATE.start_main_~x~4 86)), 129167#(and (<= ULTIMATE.start_main_~x~4 89) (<= 89 ULTIMATE.start_main_~x~4)), 129166#(and (<= 88 ULTIMATE.start_main_~x~4) (<= ULTIMATE.start_main_~x~4 88)), 129169#(and (<= ULTIMATE.start_main_~x~4 91) (<= 91 ULTIMATE.start_main_~x~4)), 129168#(and (<= ULTIMATE.start_main_~x~4 90) (<= 90 ULTIMATE.start_main_~x~4)), 129171#(and (<= ULTIMATE.start_main_~x~4 93) (<= 93 ULTIMATE.start_main_~x~4)), 129170#(and (<= ULTIMATE.start_main_~x~4 92) (<= 92 ULTIMATE.start_main_~x~4)), 129173#(and (<= 95 ULTIMATE.start_main_~x~4) (<= ULTIMATE.start_main_~x~4 95)), 129172#(and (<= ULTIMATE.start_main_~x~4 94) (<= 94 ULTIMATE.start_main_~x~4)), 129175#(and (<= 97 ULTIMATE.start_main_~x~4) (<= ULTIMATE.start_main_~x~4 97)), 129174#(and (<= ULTIMATE.start_main_~x~4 96) (<= 96 ULTIMATE.start_main_~x~4)), 129177#(and (<= 99 ULTIMATE.start_main_~x~4) (<= ULTIMATE.start_main_~x~4 99)), 129176#(and (<= ULTIMATE.start_main_~x~4 98) (<= 98 ULTIMATE.start_main_~x~4)), 129179#(and (<= ULTIMATE.start_main_~x~4 101) (<= 101 ULTIMATE.start_main_~x~4)), 129178#(and (<= ULTIMATE.start_main_~x~4 100) (<= 100 ULTIMATE.start_main_~x~4)), 129181#(and (<= 103 ULTIMATE.start_main_~x~4) (<= ULTIMATE.start_main_~x~4 103)), 129180#(and (<= 102 ULTIMATE.start_main_~x~4) (<= ULTIMATE.start_main_~x~4 102)), 129183#(and (<= 105 ULTIMATE.start_main_~x~4) (<= ULTIMATE.start_main_~x~4 105)), 129182#(and (<= ULTIMATE.start_main_~x~4 104) (<= 104 ULTIMATE.start_main_~x~4)), 129185#(and (<= 107 ULTIMATE.start_main_~x~4) (<= ULTIMATE.start_main_~x~4 107)), 129184#(and (<= 106 ULTIMATE.start_main_~x~4) (<= ULTIMATE.start_main_~x~4 106)), 129187#(and (<= ULTIMATE.start_main_~x~4 109) (<= 109 ULTIMATE.start_main_~x~4)), 129186#(and (<= 108 ULTIMATE.start_main_~x~4) (<= ULTIMATE.start_main_~x~4 108)), 129189#(and (<= ULTIMATE.start_main_~x~4 111) (<= 111 ULTIMATE.start_main_~x~4)), 129188#(and (<= 110 ULTIMATE.start_main_~x~4) (<= ULTIMATE.start_main_~x~4 110)), 129191#(and (<= 113 ULTIMATE.start_main_~x~4) (<= ULTIMATE.start_main_~x~4 113)), 129190#(and (<= ULTIMATE.start_main_~x~4 112) (<= 112 ULTIMATE.start_main_~x~4)), 129193#(and (<= ULTIMATE.start_main_~x~4 115) (<= 115 ULTIMATE.start_main_~x~4)), 129192#(and (<= ULTIMATE.start_main_~x~4 114) (<= 114 ULTIMATE.start_main_~x~4)), 129195#(and (<= ULTIMATE.start_main_~x~4 117) (<= 117 ULTIMATE.start_main_~x~4)), 129194#(and (<= ULTIMATE.start_main_~x~4 116) (<= 116 ULTIMATE.start_main_~x~4)), 129197#(and (<= 119 ULTIMATE.start_main_~x~4) (<= ULTIMATE.start_main_~x~4 119)), 129196#(and (<= 118 ULTIMATE.start_main_~x~4) (<= ULTIMATE.start_main_~x~4 118)), 129199#(and (<= 121 ULTIMATE.start_main_~x~4) (<= ULTIMATE.start_main_~x~4 121)), 129198#(and (<= 120 ULTIMATE.start_main_~x~4) (<= ULTIMATE.start_main_~x~4 120)), 129201#(and (<= ULTIMATE.start_main_~x~4 123) (<= 123 ULTIMATE.start_main_~x~4)), 129200#(and (<= 122 ULTIMATE.start_main_~x~4) (<= ULTIMATE.start_main_~x~4 122)), 129203#(and (<= 125 ULTIMATE.start_main_~x~4) (<= ULTIMATE.start_main_~x~4 125)), 129202#(and (<= ULTIMATE.start_main_~x~4 124) (<= 124 ULTIMATE.start_main_~x~4)), 129205#(and (<= ULTIMATE.start_main_~x~4 127) (<= 127 ULTIMATE.start_main_~x~4)), 129204#(and (<= 126 ULTIMATE.start_main_~x~4) (<= ULTIMATE.start_main_~x~4 126)), 129207#(and (<= 129 ULTIMATE.start_main_~x~4) (<= ULTIMATE.start_main_~x~4 129)), 129206#(and (<= 128 ULTIMATE.start_main_~x~4) (<= ULTIMATE.start_main_~x~4 128)), 129209#(and (<= 131 ULTIMATE.start_main_~x~4) (<= ULTIMATE.start_main_~x~4 131)), 129208#(and (<= ULTIMATE.start_main_~x~4 130) (<= 130 ULTIMATE.start_main_~x~4)), 129211#(and (<= ULTIMATE.start_main_~x~4 133) (<= 133 ULTIMATE.start_main_~x~4)), 129210#(and (<= 132 ULTIMATE.start_main_~x~4) (<= ULTIMATE.start_main_~x~4 132)), 129213#(and (<= 135 ULTIMATE.start_main_~x~4) (<= ULTIMATE.start_main_~x~4 135)), 129212#(and (<= 134 ULTIMATE.start_main_~x~4) (<= ULTIMATE.start_main_~x~4 134)), 129215#(and (<= 137 ULTIMATE.start_main_~x~4) (<= ULTIMATE.start_main_~x~4 137)), 129214#(and (<= ULTIMATE.start_main_~x~4 136) (<= 136 ULTIMATE.start_main_~x~4)), 129217#(and (<= 139 ULTIMATE.start_main_~x~4) (<= ULTIMATE.start_main_~x~4 139)), 129216#(and (<= 138 ULTIMATE.start_main_~x~4) (<= ULTIMATE.start_main_~x~4 138)), 129219#(and (<= 141 ULTIMATE.start_main_~x~4) (<= ULTIMATE.start_main_~x~4 141)), 129218#(and (<= 140 ULTIMATE.start_main_~x~4) (<= ULTIMATE.start_main_~x~4 140)), 129221#(and (<= ULTIMATE.start_main_~x~4 143) (<= 143 ULTIMATE.start_main_~x~4)), 129220#(and (<= 142 ULTIMATE.start_main_~x~4) (<= ULTIMATE.start_main_~x~4 142)), 129223#(and (<= ULTIMATE.start_main_~x~4 145) (<= 145 ULTIMATE.start_main_~x~4)), 129222#(and (<= ULTIMATE.start_main_~x~4 144) (<= 144 ULTIMATE.start_main_~x~4)), 129225#(and (<= 147 ULTIMATE.start_main_~x~4) (<= ULTIMATE.start_main_~x~4 147)), 129224#(and (<= ULTIMATE.start_main_~x~4 146) (<= 146 ULTIMATE.start_main_~x~4)), 129227#(and (<= 149 ULTIMATE.start_main_~x~4) (<= ULTIMATE.start_main_~x~4 149)), 129226#(and (<= ULTIMATE.start_main_~x~4 148) (<= 148 ULTIMATE.start_main_~x~4)), 129229#(and (<= ULTIMATE.start_main_~x~4 151) (<= 151 ULTIMATE.start_main_~x~4)), 129228#(and (<= 150 ULTIMATE.start_main_~x~4) (<= ULTIMATE.start_main_~x~4 150)), 129231#(and (<= ULTIMATE.start_main_~x~4 153) (<= 153 ULTIMATE.start_main_~x~4)), 129230#(and (<= 152 ULTIMATE.start_main_~x~4) (<= ULTIMATE.start_main_~x~4 152)), 129233#(and (<= 155 ULTIMATE.start_main_~x~4) (<= ULTIMATE.start_main_~x~4 155)), 129232#(and (<= ULTIMATE.start_main_~x~4 154) (<= 154 ULTIMATE.start_main_~x~4)), 129235#(and (<= ULTIMATE.start_main_~x~4 157) (<= 157 ULTIMATE.start_main_~x~4)), 129234#(and (<= ULTIMATE.start_main_~x~4 156) (<= 156 ULTIMATE.start_main_~x~4)), 129237#(and (<= ULTIMATE.start_main_~x~4 159) (<= 159 ULTIMATE.start_main_~x~4)), 129236#(and (<= 158 ULTIMATE.start_main_~x~4) (<= ULTIMATE.start_main_~x~4 158)), 129239#(and (<= 161 ULTIMATE.start_main_~x~4) (<= ULTIMATE.start_main_~x~4 161)), 129238#(and (<= ULTIMATE.start_main_~x~4 160) (<= 160 ULTIMATE.start_main_~x~4)), 129241#(and (<= 163 ULTIMATE.start_main_~x~4) (<= ULTIMATE.start_main_~x~4 163)), 129240#(and (<= 162 ULTIMATE.start_main_~x~4) (<= ULTIMATE.start_main_~x~4 162)), 129243#(and (<= 165 ULTIMATE.start_main_~x~4) (<= ULTIMATE.start_main_~x~4 165)), 129242#(and (<= 164 ULTIMATE.start_main_~x~4) (<= ULTIMATE.start_main_~x~4 164)), 129244#(and (<= 166 ULTIMATE.start_main_~x~4) (<= ULTIMATE.start_main_~x~4 166))] [2018-07-23 13:53:39,817 INFO L134 CoverageAnalysis]: Checked inductivity of 27722 backedges. 0 proven. 27722 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-07-23 13:53:39,817 INFO L450 AbstractCegarLoop]: Interpolant automaton has 169 states [2018-07-23 13:53:39,818 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 169 interpolants. [2018-07-23 13:53:39,818 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=335, Invalid=28057, Unknown=0, NotChecked=0, Total=28392 [2018-07-23 13:53:39,818 INFO L87 Difference]: Start difference. First operand 337 states and 337 transitions. Second operand 169 states. [2018-07-23 13:53:41,764 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-07-23 13:53:41,764 INFO L93 Difference]: Finished difference Result 341 states and 341 transitions. [2018-07-23 13:53:41,764 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 169 states. [2018-07-23 13:53:41,765 INFO L78 Accepts]: Start accepts. Automaton has 169 states. Word has length 336 [2018-07-23 13:53:41,765 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-07-23 13:53:41,765 INFO L225 Difference]: With dead ends: 341 [2018-07-23 13:53:41,765 INFO L226 Difference]: Without dead ends: 339 [2018-07-23 13:53:41,767 INFO L575 BasicCegarLoop]: 0 DeclaredPredicates, 168 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 167 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 1.1s TimeCoverageRelationStatistics Valid=335, Invalid=28057, Unknown=0, NotChecked=0, Total=28392 [2018-07-23 13:53:41,767 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 339 states. [2018-07-23 13:53:41,774 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 339 to 339. [2018-07-23 13:53:41,775 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 339 states. [2018-07-23 13:53:41,775 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 339 states to 339 states and 339 transitions. [2018-07-23 13:53:41,775 INFO L78 Accepts]: Start accepts. Automaton has 339 states and 339 transitions. Word has length 336 [2018-07-23 13:53:41,775 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-07-23 13:53:41,775 INFO L471 AbstractCegarLoop]: Abstraction has 339 states and 339 transitions. [2018-07-23 13:53:41,775 INFO L472 AbstractCegarLoop]: Interpolant automaton has 169 states. [2018-07-23 13:53:41,775 INFO L276 IsEmpty]: Start isEmpty. Operand 339 states and 339 transitions. [2018-07-23 13:53:41,776 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 339 [2018-07-23 13:53:41,776 INFO L349 BasicCegarLoop]: Found error trace [2018-07-23 13:53:41,777 INFO L357 BasicCegarLoop]: trace histogram [168, 167, 1, 1, 1] [2018-07-23 13:53:41,777 INFO L414 AbstractCegarLoop]: === Iteration 168 === [ULTIMATE.startErr0AssertViolationASSERT]=== [2018-07-23 13:53:41,777 INFO L82 PathProgramCache]: Analyzing trace with hash 348380061, now seen corresponding path program 167 times [2018-07-23 13:53:41,777 INFO L69 tionRefinementEngine]: Using refinement strategy FixedRefinementStrategy [2018-07-23 13:53:42,310 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-07-23 13:53:43,868 INFO L134 CoverageAnalysis]: Checked inductivity of 28056 backedges. 0 proven. 28056 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-07-23 13:53:43,869 INFO L309 seRefinementStrategy]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2018-07-23 13:53:43,869 INFO L324 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [169] total 169 [2018-07-23 13:53:43,869 INFO L142 lantAutomatonBuilder]: Constructing canonical interpolant automaton, with selfloop in false state [2018-07-23 13:53:43,869 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-07-23 13:53:43,869 INFO L185 omatonBuilderFactory]: Interpolants [130605#true, 130607#(and (<= ULTIMATE.start_main_~x~4 0) (<= 0 ULTIMATE.start_main_~x~4)), 130606#false, 130609#(and (<= 2 ULTIMATE.start_main_~x~4) (<= ULTIMATE.start_main_~x~4 2)), 130608#(and (<= ULTIMATE.start_main_~x~4 1) (<= 1 ULTIMATE.start_main_~x~4)), 130611#(and (<= ULTIMATE.start_main_~x~4 4) (<= 4 ULTIMATE.start_main_~x~4)), 130610#(and (<= 3 ULTIMATE.start_main_~x~4) (<= ULTIMATE.start_main_~x~4 3)), 130613#(and (<= 6 ULTIMATE.start_main_~x~4) (<= ULTIMATE.start_main_~x~4 6)), 130612#(and (<= ULTIMATE.start_main_~x~4 5) (<= 5 ULTIMATE.start_main_~x~4)), 130615#(and (<= ULTIMATE.start_main_~x~4 8) (<= 8 ULTIMATE.start_main_~x~4)), 130614#(and (<= ULTIMATE.start_main_~x~4 7) (<= 7 ULTIMATE.start_main_~x~4)), 130617#(and (<= ULTIMATE.start_main_~x~4 10) (<= 10 ULTIMATE.start_main_~x~4)), 130616#(and (<= 9 ULTIMATE.start_main_~x~4) (<= ULTIMATE.start_main_~x~4 9)), 130619#(and (<= 12 ULTIMATE.start_main_~x~4) (<= ULTIMATE.start_main_~x~4 12)), 130618#(and (<= ULTIMATE.start_main_~x~4 11) (<= 11 ULTIMATE.start_main_~x~4)), 130621#(and (<= 14 ULTIMATE.start_main_~x~4) (<= ULTIMATE.start_main_~x~4 14)), 130620#(and (<= ULTIMATE.start_main_~x~4 13) (<= 13 ULTIMATE.start_main_~x~4)), 130623#(and (<= ULTIMATE.start_main_~x~4 16) (<= 16 ULTIMATE.start_main_~x~4)), 130622#(and (<= 15 ULTIMATE.start_main_~x~4) (<= ULTIMATE.start_main_~x~4 15)), 130625#(and (<= 18 ULTIMATE.start_main_~x~4) (<= ULTIMATE.start_main_~x~4 18)), 130624#(and (<= ULTIMATE.start_main_~x~4 17) (<= 17 ULTIMATE.start_main_~x~4)), 130627#(and (<= 20 ULTIMATE.start_main_~x~4) (<= ULTIMATE.start_main_~x~4 20)), 130626#(and (<= 19 ULTIMATE.start_main_~x~4) (<= ULTIMATE.start_main_~x~4 19)), 130629#(and (<= ULTIMATE.start_main_~x~4 22) (<= 22 ULTIMATE.start_main_~x~4)), 130628#(and (<= ULTIMATE.start_main_~x~4 21) (<= 21 ULTIMATE.start_main_~x~4)), 130631#(and (<= ULTIMATE.start_main_~x~4 24) (<= 24 ULTIMATE.start_main_~x~4)), 130630#(and (<= ULTIMATE.start_main_~x~4 23) (<= 23 ULTIMATE.start_main_~x~4)), 130633#(and (<= ULTIMATE.start_main_~x~4 26) (<= 26 ULTIMATE.start_main_~x~4)), 130632#(and (<= ULTIMATE.start_main_~x~4 25) (<= 25 ULTIMATE.start_main_~x~4)), 130635#(and (<= ULTIMATE.start_main_~x~4 28) (<= 28 ULTIMATE.start_main_~x~4)), 130634#(and (<= ULTIMATE.start_main_~x~4 27) (<= 27 ULTIMATE.start_main_~x~4)), 130637#(and (<= ULTIMATE.start_main_~x~4 30) (<= 30 ULTIMATE.start_main_~x~4)), 130636#(and (<= 29 ULTIMATE.start_main_~x~4) (<= ULTIMATE.start_main_~x~4 29)), 130639#(and (<= ULTIMATE.start_main_~x~4 32) (<= 32 ULTIMATE.start_main_~x~4)), 130638#(and (<= ULTIMATE.start_main_~x~4 31) (<= 31 ULTIMATE.start_main_~x~4)), 130641#(and (<= 34 ULTIMATE.start_main_~x~4) (<= ULTIMATE.start_main_~x~4 34)), 130640#(and (<= ULTIMATE.start_main_~x~4 33) (<= 33 ULTIMATE.start_main_~x~4)), 130643#(and (<= 36 ULTIMATE.start_main_~x~4) (<= ULTIMATE.start_main_~x~4 36)), 130642#(and (<= ULTIMATE.start_main_~x~4 35) (<= 35 ULTIMATE.start_main_~x~4)), 130645#(and (<= 38 ULTIMATE.start_main_~x~4) (<= ULTIMATE.start_main_~x~4 38)), 130644#(and (<= ULTIMATE.start_main_~x~4 37) (<= 37 ULTIMATE.start_main_~x~4)), 130647#(and (<= ULTIMATE.start_main_~x~4 40) (<= 40 ULTIMATE.start_main_~x~4)), 130646#(and (<= ULTIMATE.start_main_~x~4 39) (<= 39 ULTIMATE.start_main_~x~4)), 130649#(and (<= ULTIMATE.start_main_~x~4 42) (<= 42 ULTIMATE.start_main_~x~4)), 130648#(and (<= ULTIMATE.start_main_~x~4 41) (<= 41 ULTIMATE.start_main_~x~4)), 130651#(and (<= 44 ULTIMATE.start_main_~x~4) (<= ULTIMATE.start_main_~x~4 44)), 130650#(and (<= ULTIMATE.start_main_~x~4 43) (<= 43 ULTIMATE.start_main_~x~4)), 130653#(and (<= ULTIMATE.start_main_~x~4 46) (<= 46 ULTIMATE.start_main_~x~4)), 130652#(and (<= 45 ULTIMATE.start_main_~x~4) (<= ULTIMATE.start_main_~x~4 45)), 130655#(and (<= 48 ULTIMATE.start_main_~x~4) (<= ULTIMATE.start_main_~x~4 48)), 130654#(and (<= 47 ULTIMATE.start_main_~x~4) (<= ULTIMATE.start_main_~x~4 47)), 130657#(and (<= ULTIMATE.start_main_~x~4 50) (<= 50 ULTIMATE.start_main_~x~4)), 130656#(and (<= 49 ULTIMATE.start_main_~x~4) (<= ULTIMATE.start_main_~x~4 49)), 130659#(and (<= ULTIMATE.start_main_~x~4 52) (<= 52 ULTIMATE.start_main_~x~4)), 130658#(and (<= 51 ULTIMATE.start_main_~x~4) (<= ULTIMATE.start_main_~x~4 51)), 130661#(and (<= ULTIMATE.start_main_~x~4 54) (<= 54 ULTIMATE.start_main_~x~4)), 130660#(and (<= 53 ULTIMATE.start_main_~x~4) (<= ULTIMATE.start_main_~x~4 53)), 130663#(and (<= 56 ULTIMATE.start_main_~x~4) (<= ULTIMATE.start_main_~x~4 56)), 130662#(and (<= 55 ULTIMATE.start_main_~x~4) (<= ULTIMATE.start_main_~x~4 55)), 130665#(and (<= 58 ULTIMATE.start_main_~x~4) (<= ULTIMATE.start_main_~x~4 58)), 130664#(and (<= 57 ULTIMATE.start_main_~x~4) (<= ULTIMATE.start_main_~x~4 57)), 130667#(and (<= 60 ULTIMATE.start_main_~x~4) (<= ULTIMATE.start_main_~x~4 60)), 130666#(and (<= ULTIMATE.start_main_~x~4 59) (<= 59 ULTIMATE.start_main_~x~4)), 130669#(and (<= ULTIMATE.start_main_~x~4 62) (<= 62 ULTIMATE.start_main_~x~4)), 130668#(and (<= 61 ULTIMATE.start_main_~x~4) (<= ULTIMATE.start_main_~x~4 61)), 130671#(and (<= ULTIMATE.start_main_~x~4 64) (<= 64 ULTIMATE.start_main_~x~4)), 130670#(and (<= 63 ULTIMATE.start_main_~x~4) (<= ULTIMATE.start_main_~x~4 63)), 130673#(and (<= 66 ULTIMATE.start_main_~x~4) (<= ULTIMATE.start_main_~x~4 66)), 130672#(and (<= 65 ULTIMATE.start_main_~x~4) (<= ULTIMATE.start_main_~x~4 65)), 130675#(and (<= ULTIMATE.start_main_~x~4 68) (<= 68 ULTIMATE.start_main_~x~4)), 130674#(and (<= 67 ULTIMATE.start_main_~x~4) (<= ULTIMATE.start_main_~x~4 67)), 130677#(and (<= ULTIMATE.start_main_~x~4 70) (<= 70 ULTIMATE.start_main_~x~4)), 130676#(and (<= 69 ULTIMATE.start_main_~x~4) (<= ULTIMATE.start_main_~x~4 69)), 130679#(and (<= 72 ULTIMATE.start_main_~x~4) (<= ULTIMATE.start_main_~x~4 72)), 130678#(and (<= 71 ULTIMATE.start_main_~x~4) (<= ULTIMATE.start_main_~x~4 71)), 130681#(and (<= 74 ULTIMATE.start_main_~x~4) (<= ULTIMATE.start_main_~x~4 74)), 130680#(and (<= ULTIMATE.start_main_~x~4 73) (<= 73 ULTIMATE.start_main_~x~4)), 130683#(and (<= ULTIMATE.start_main_~x~4 76) (<= 76 ULTIMATE.start_main_~x~4)), 130682#(and (<= ULTIMATE.start_main_~x~4 75) (<= 75 ULTIMATE.start_main_~x~4)), 130685#(and (<= ULTIMATE.start_main_~x~4 78) (<= 78 ULTIMATE.start_main_~x~4)), 130684#(and (<= ULTIMATE.start_main_~x~4 77) (<= 77 ULTIMATE.start_main_~x~4)), 130687#(and (<= ULTIMATE.start_main_~x~4 80) (<= 80 ULTIMATE.start_main_~x~4)), 130686#(and (<= 79 ULTIMATE.start_main_~x~4) (<= ULTIMATE.start_main_~x~4 79)), 130689#(and (<= ULTIMATE.start_main_~x~4 82) (<= 82 ULTIMATE.start_main_~x~4)), 130688#(and (<= ULTIMATE.start_main_~x~4 81) (<= 81 ULTIMATE.start_main_~x~4)), 130691#(and (<= ULTIMATE.start_main_~x~4 84) (<= 84 ULTIMATE.start_main_~x~4)), 130690#(and (<= 83 ULTIMATE.start_main_~x~4) (<= ULTIMATE.start_main_~x~4 83)), 130693#(and (<= 86 ULTIMATE.start_main_~x~4) (<= ULTIMATE.start_main_~x~4 86)), 130692#(and (<= 85 ULTIMATE.start_main_~x~4) (<= ULTIMATE.start_main_~x~4 85)), 130695#(and (<= 88 ULTIMATE.start_main_~x~4) (<= ULTIMATE.start_main_~x~4 88)), 130694#(and (<= ULTIMATE.start_main_~x~4 87) (<= 87 ULTIMATE.start_main_~x~4)), 130697#(and (<= ULTIMATE.start_main_~x~4 90) (<= 90 ULTIMATE.start_main_~x~4)), 130696#(and (<= ULTIMATE.start_main_~x~4 89) (<= 89 ULTIMATE.start_main_~x~4)), 130699#(and (<= ULTIMATE.start_main_~x~4 92) (<= 92 ULTIMATE.start_main_~x~4)), 130698#(and (<= ULTIMATE.start_main_~x~4 91) (<= 91 ULTIMATE.start_main_~x~4)), 130701#(and (<= ULTIMATE.start_main_~x~4 94) (<= 94 ULTIMATE.start_main_~x~4)), 130700#(and (<= ULTIMATE.start_main_~x~4 93) (<= 93 ULTIMATE.start_main_~x~4)), 130703#(and (<= ULTIMATE.start_main_~x~4 96) (<= 96 ULTIMATE.start_main_~x~4)), 130702#(and (<= 95 ULTIMATE.start_main_~x~4) (<= ULTIMATE.start_main_~x~4 95)), 130705#(and (<= ULTIMATE.start_main_~x~4 98) (<= 98 ULTIMATE.start_main_~x~4)), 130704#(and (<= 97 ULTIMATE.start_main_~x~4) (<= ULTIMATE.start_main_~x~4 97)), 130707#(and (<= ULTIMATE.start_main_~x~4 100) (<= 100 ULTIMATE.start_main_~x~4)), 130706#(and (<= 99 ULTIMATE.start_main_~x~4) (<= ULTIMATE.start_main_~x~4 99)), 130709#(and (<= 102 ULTIMATE.start_main_~x~4) (<= ULTIMATE.start_main_~x~4 102)), 130708#(and (<= ULTIMATE.start_main_~x~4 101) (<= 101 ULTIMATE.start_main_~x~4)), 130711#(and (<= ULTIMATE.start_main_~x~4 104) (<= 104 ULTIMATE.start_main_~x~4)), 130710#(and (<= 103 ULTIMATE.start_main_~x~4) (<= ULTIMATE.start_main_~x~4 103)), 130713#(and (<= 106 ULTIMATE.start_main_~x~4) (<= ULTIMATE.start_main_~x~4 106)), 130712#(and (<= 105 ULTIMATE.start_main_~x~4) (<= ULTIMATE.start_main_~x~4 105)), 130715#(and (<= 108 ULTIMATE.start_main_~x~4) (<= ULTIMATE.start_main_~x~4 108)), 130714#(and (<= 107 ULTIMATE.start_main_~x~4) (<= ULTIMATE.start_main_~x~4 107)), 130717#(and (<= 110 ULTIMATE.start_main_~x~4) (<= ULTIMATE.start_main_~x~4 110)), 130716#(and (<= ULTIMATE.start_main_~x~4 109) (<= 109 ULTIMATE.start_main_~x~4)), 130719#(and (<= ULTIMATE.start_main_~x~4 112) (<= 112 ULTIMATE.start_main_~x~4)), 130718#(and (<= ULTIMATE.start_main_~x~4 111) (<= 111 ULTIMATE.start_main_~x~4)), 130721#(and (<= ULTIMATE.start_main_~x~4 114) (<= 114 ULTIMATE.start_main_~x~4)), 130720#(and (<= 113 ULTIMATE.start_main_~x~4) (<= ULTIMATE.start_main_~x~4 113)), 130723#(and (<= ULTIMATE.start_main_~x~4 116) (<= 116 ULTIMATE.start_main_~x~4)), 130722#(and (<= ULTIMATE.start_main_~x~4 115) (<= 115 ULTIMATE.start_main_~x~4)), 130725#(and (<= 118 ULTIMATE.start_main_~x~4) (<= ULTIMATE.start_main_~x~4 118)), 130724#(and (<= ULTIMATE.start_main_~x~4 117) (<= 117 ULTIMATE.start_main_~x~4)), 130727#(and (<= 120 ULTIMATE.start_main_~x~4) (<= ULTIMATE.start_main_~x~4 120)), 130726#(and (<= 119 ULTIMATE.start_main_~x~4) (<= ULTIMATE.start_main_~x~4 119)), 130729#(and (<= 122 ULTIMATE.start_main_~x~4) (<= ULTIMATE.start_main_~x~4 122)), 130728#(and (<= 121 ULTIMATE.start_main_~x~4) (<= ULTIMATE.start_main_~x~4 121)), 130731#(and (<= ULTIMATE.start_main_~x~4 124) (<= 124 ULTIMATE.start_main_~x~4)), 130730#(and (<= ULTIMATE.start_main_~x~4 123) (<= 123 ULTIMATE.start_main_~x~4)), 130733#(and (<= 126 ULTIMATE.start_main_~x~4) (<= ULTIMATE.start_main_~x~4 126)), 130732#(and (<= 125 ULTIMATE.start_main_~x~4) (<= ULTIMATE.start_main_~x~4 125)), 130735#(and (<= 128 ULTIMATE.start_main_~x~4) (<= ULTIMATE.start_main_~x~4 128)), 130734#(and (<= ULTIMATE.start_main_~x~4 127) (<= 127 ULTIMATE.start_main_~x~4)), 130737#(and (<= ULTIMATE.start_main_~x~4 130) (<= 130 ULTIMATE.start_main_~x~4)), 130736#(and (<= 129 ULTIMATE.start_main_~x~4) (<= ULTIMATE.start_main_~x~4 129)), 130739#(and (<= 132 ULTIMATE.start_main_~x~4) (<= ULTIMATE.start_main_~x~4 132)), 130738#(and (<= 131 ULTIMATE.start_main_~x~4) (<= ULTIMATE.start_main_~x~4 131)), 130741#(and (<= 134 ULTIMATE.start_main_~x~4) (<= ULTIMATE.start_main_~x~4 134)), 130740#(and (<= ULTIMATE.start_main_~x~4 133) (<= 133 ULTIMATE.start_main_~x~4)), 130743#(and (<= ULTIMATE.start_main_~x~4 136) (<= 136 ULTIMATE.start_main_~x~4)), 130742#(and (<= 135 ULTIMATE.start_main_~x~4) (<= ULTIMATE.start_main_~x~4 135)), 130745#(and (<= 138 ULTIMATE.start_main_~x~4) (<= ULTIMATE.start_main_~x~4 138)), 130744#(and (<= 137 ULTIMATE.start_main_~x~4) (<= ULTIMATE.start_main_~x~4 137)), 130747#(and (<= 140 ULTIMATE.start_main_~x~4) (<= ULTIMATE.start_main_~x~4 140)), 130746#(and (<= 139 ULTIMATE.start_main_~x~4) (<= ULTIMATE.start_main_~x~4 139)), 130749#(and (<= 142 ULTIMATE.start_main_~x~4) (<= ULTIMATE.start_main_~x~4 142)), 130748#(and (<= 141 ULTIMATE.start_main_~x~4) (<= ULTIMATE.start_main_~x~4 141)), 130751#(and (<= ULTIMATE.start_main_~x~4 144) (<= 144 ULTIMATE.start_main_~x~4)), 130750#(and (<= ULTIMATE.start_main_~x~4 143) (<= 143 ULTIMATE.start_main_~x~4)), 130753#(and (<= ULTIMATE.start_main_~x~4 146) (<= 146 ULTIMATE.start_main_~x~4)), 130752#(and (<= ULTIMATE.start_main_~x~4 145) (<= 145 ULTIMATE.start_main_~x~4)), 130755#(and (<= ULTIMATE.start_main_~x~4 148) (<= 148 ULTIMATE.start_main_~x~4)), 130754#(and (<= 147 ULTIMATE.start_main_~x~4) (<= ULTIMATE.start_main_~x~4 147)), 130757#(and (<= 150 ULTIMATE.start_main_~x~4) (<= ULTIMATE.start_main_~x~4 150)), 130756#(and (<= 149 ULTIMATE.start_main_~x~4) (<= ULTIMATE.start_main_~x~4 149)), 130759#(and (<= 152 ULTIMATE.start_main_~x~4) (<= ULTIMATE.start_main_~x~4 152)), 130758#(and (<= ULTIMATE.start_main_~x~4 151) (<= 151 ULTIMATE.start_main_~x~4)), 130761#(and (<= ULTIMATE.start_main_~x~4 154) (<= 154 ULTIMATE.start_main_~x~4)), 130760#(and (<= ULTIMATE.start_main_~x~4 153) (<= 153 ULTIMATE.start_main_~x~4)), 130763#(and (<= ULTIMATE.start_main_~x~4 156) (<= 156 ULTIMATE.start_main_~x~4)), 130762#(and (<= 155 ULTIMATE.start_main_~x~4) (<= ULTIMATE.start_main_~x~4 155)), 130765#(and (<= 158 ULTIMATE.start_main_~x~4) (<= ULTIMATE.start_main_~x~4 158)), 130764#(and (<= ULTIMATE.start_main_~x~4 157) (<= 157 ULTIMATE.start_main_~x~4)), 130767#(and (<= ULTIMATE.start_main_~x~4 160) (<= 160 ULTIMATE.start_main_~x~4)), 130766#(and (<= ULTIMATE.start_main_~x~4 159) (<= 159 ULTIMATE.start_main_~x~4)), 130769#(and (<= 162 ULTIMATE.start_main_~x~4) (<= ULTIMATE.start_main_~x~4 162)), 130768#(and (<= 161 ULTIMATE.start_main_~x~4) (<= ULTIMATE.start_main_~x~4 161)), 130771#(and (<= 164 ULTIMATE.start_main_~x~4) (<= ULTIMATE.start_main_~x~4 164)), 130770#(and (<= 163 ULTIMATE.start_main_~x~4) (<= ULTIMATE.start_main_~x~4 163)), 130773#(and (<= 166 ULTIMATE.start_main_~x~4) (<= ULTIMATE.start_main_~x~4 166)), 130772#(and (<= 165 ULTIMATE.start_main_~x~4) (<= ULTIMATE.start_main_~x~4 165)), 130774#(and (<= 167 ULTIMATE.start_main_~x~4) (<= ULTIMATE.start_main_~x~4 167))] [2018-07-23 13:53:43,871 INFO L134 CoverageAnalysis]: Checked inductivity of 28056 backedges. 0 proven. 28056 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-07-23 13:53:43,871 INFO L450 AbstractCegarLoop]: Interpolant automaton has 170 states [2018-07-23 13:53:43,871 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 170 interpolants. [2018-07-23 13:53:43,872 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=337, Invalid=28393, Unknown=0, NotChecked=0, Total=28730 [2018-07-23 13:53:43,872 INFO L87 Difference]: Start difference. First operand 339 states and 339 transitions. Second operand 170 states. [2018-07-23 13:53:45,853 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-07-23 13:53:45,853 INFO L93 Difference]: Finished difference Result 343 states and 343 transitions. [2018-07-23 13:53:45,853 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 170 states. [2018-07-23 13:53:45,854 INFO L78 Accepts]: Start accepts. Automaton has 170 states. Word has length 338 [2018-07-23 13:53:45,854 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-07-23 13:53:45,854 INFO L225 Difference]: With dead ends: 343 [2018-07-23 13:53:45,854 INFO L226 Difference]: Without dead ends: 341 [2018-07-23 13:53:45,856 INFO L575 BasicCegarLoop]: 0 DeclaredPredicates, 169 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 168 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 1.1s TimeCoverageRelationStatistics Valid=337, Invalid=28393, Unknown=0, NotChecked=0, Total=28730 [2018-07-23 13:53:45,856 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 341 states. [2018-07-23 13:53:45,864 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 341 to 341. [2018-07-23 13:53:45,864 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 341 states. [2018-07-23 13:53:45,865 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 341 states to 341 states and 341 transitions. [2018-07-23 13:53:45,865 INFO L78 Accepts]: Start accepts. Automaton has 341 states and 341 transitions. Word has length 338 [2018-07-23 13:53:45,865 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-07-23 13:53:45,865 INFO L471 AbstractCegarLoop]: Abstraction has 341 states and 341 transitions. [2018-07-23 13:53:45,865 INFO L472 AbstractCegarLoop]: Interpolant automaton has 170 states. [2018-07-23 13:53:45,865 INFO L276 IsEmpty]: Start isEmpty. Operand 341 states and 341 transitions. [2018-07-23 13:53:45,866 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 341 [2018-07-23 13:53:45,866 INFO L349 BasicCegarLoop]: Found error trace [2018-07-23 13:53:45,866 INFO L357 BasicCegarLoop]: trace histogram [169, 168, 1, 1, 1] [2018-07-23 13:53:45,867 INFO L414 AbstractCegarLoop]: === Iteration 169 === [ULTIMATE.startErr0AssertViolationASSERT]=== [2018-07-23 13:53:45,867 INFO L82 PathProgramCache]: Analyzing trace with hash -214158377, now seen corresponding path program 168 times [2018-07-23 13:53:45,867 INFO L69 tionRefinementEngine]: Using refinement strategy FixedRefinementStrategy [2018-07-23 13:53:46,360 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-07-23 13:53:47,879 INFO L134 CoverageAnalysis]: Checked inductivity of 28392 backedges. 0 proven. 28392 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-07-23 13:53:47,880 INFO L309 seRefinementStrategy]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2018-07-23 13:53:47,880 INFO L324 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [170] total 170 [2018-07-23 13:53:47,880 INFO L142 lantAutomatonBuilder]: Constructing canonical interpolant automaton, with selfloop in false state [2018-07-23 13:53:47,880 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-07-23 13:53:47,881 INFO L185 omatonBuilderFactory]: Interpolants [132143#true, 132146#(and (<= ULTIMATE.start_main_~x~4 1) (<= 1 ULTIMATE.start_main_~x~4)), 132147#(and (<= 2 ULTIMATE.start_main_~x~4) (<= ULTIMATE.start_main_~x~4 2)), 132144#false, 132145#(and (<= ULTIMATE.start_main_~x~4 0) (<= 0 ULTIMATE.start_main_~x~4)), 132150#(and (<= ULTIMATE.start_main_~x~4 5) (<= 5 ULTIMATE.start_main_~x~4)), 132151#(and (<= 6 ULTIMATE.start_main_~x~4) (<= ULTIMATE.start_main_~x~4 6)), 132148#(and (<= 3 ULTIMATE.start_main_~x~4) (<= ULTIMATE.start_main_~x~4 3)), 132149#(and (<= ULTIMATE.start_main_~x~4 4) (<= 4 ULTIMATE.start_main_~x~4)), 132154#(and (<= 9 ULTIMATE.start_main_~x~4) (<= ULTIMATE.start_main_~x~4 9)), 132155#(and (<= ULTIMATE.start_main_~x~4 10) (<= 10 ULTIMATE.start_main_~x~4)), 132152#(and (<= ULTIMATE.start_main_~x~4 7) (<= 7 ULTIMATE.start_main_~x~4)), 132153#(and (<= ULTIMATE.start_main_~x~4 8) (<= 8 ULTIMATE.start_main_~x~4)), 132158#(and (<= ULTIMATE.start_main_~x~4 13) (<= 13 ULTIMATE.start_main_~x~4)), 132159#(and (<= 14 ULTIMATE.start_main_~x~4) (<= ULTIMATE.start_main_~x~4 14)), 132156#(and (<= ULTIMATE.start_main_~x~4 11) (<= 11 ULTIMATE.start_main_~x~4)), 132157#(and (<= 12 ULTIMATE.start_main_~x~4) (<= ULTIMATE.start_main_~x~4 12)), 132162#(and (<= ULTIMATE.start_main_~x~4 17) (<= 17 ULTIMATE.start_main_~x~4)), 132163#(and (<= 18 ULTIMATE.start_main_~x~4) (<= ULTIMATE.start_main_~x~4 18)), 132160#(and (<= 15 ULTIMATE.start_main_~x~4) (<= ULTIMATE.start_main_~x~4 15)), 132161#(and (<= ULTIMATE.start_main_~x~4 16) (<= 16 ULTIMATE.start_main_~x~4)), 132166#(and (<= ULTIMATE.start_main_~x~4 21) (<= 21 ULTIMATE.start_main_~x~4)), 132167#(and (<= ULTIMATE.start_main_~x~4 22) (<= 22 ULTIMATE.start_main_~x~4)), 132164#(and (<= 19 ULTIMATE.start_main_~x~4) (<= ULTIMATE.start_main_~x~4 19)), 132165#(and (<= 20 ULTIMATE.start_main_~x~4) (<= ULTIMATE.start_main_~x~4 20)), 132170#(and (<= ULTIMATE.start_main_~x~4 25) (<= 25 ULTIMATE.start_main_~x~4)), 132171#(and (<= ULTIMATE.start_main_~x~4 26) (<= 26 ULTIMATE.start_main_~x~4)), 132168#(and (<= ULTIMATE.start_main_~x~4 23) (<= 23 ULTIMATE.start_main_~x~4)), 132169#(and (<= ULTIMATE.start_main_~x~4 24) (<= 24 ULTIMATE.start_main_~x~4)), 132174#(and (<= 29 ULTIMATE.start_main_~x~4) (<= ULTIMATE.start_main_~x~4 29)), 132175#(and (<= ULTIMATE.start_main_~x~4 30) (<= 30 ULTIMATE.start_main_~x~4)), 132172#(and (<= ULTIMATE.start_main_~x~4 27) (<= 27 ULTIMATE.start_main_~x~4)), 132173#(and (<= ULTIMATE.start_main_~x~4 28) (<= 28 ULTIMATE.start_main_~x~4)), 132178#(and (<= ULTIMATE.start_main_~x~4 33) (<= 33 ULTIMATE.start_main_~x~4)), 132179#(and (<= 34 ULTIMATE.start_main_~x~4) (<= ULTIMATE.start_main_~x~4 34)), 132176#(and (<= ULTIMATE.start_main_~x~4 31) (<= 31 ULTIMATE.start_main_~x~4)), 132177#(and (<= ULTIMATE.start_main_~x~4 32) (<= 32 ULTIMATE.start_main_~x~4)), 132182#(and (<= ULTIMATE.start_main_~x~4 37) (<= 37 ULTIMATE.start_main_~x~4)), 132183#(and (<= 38 ULTIMATE.start_main_~x~4) (<= ULTIMATE.start_main_~x~4 38)), 132180#(and (<= ULTIMATE.start_main_~x~4 35) (<= 35 ULTIMATE.start_main_~x~4)), 132181#(and (<= 36 ULTIMATE.start_main_~x~4) (<= ULTIMATE.start_main_~x~4 36)), 132186#(and (<= ULTIMATE.start_main_~x~4 41) (<= 41 ULTIMATE.start_main_~x~4)), 132187#(and (<= ULTIMATE.start_main_~x~4 42) (<= 42 ULTIMATE.start_main_~x~4)), 132184#(and (<= ULTIMATE.start_main_~x~4 39) (<= 39 ULTIMATE.start_main_~x~4)), 132185#(and (<= ULTIMATE.start_main_~x~4 40) (<= 40 ULTIMATE.start_main_~x~4)), 132190#(and (<= 45 ULTIMATE.start_main_~x~4) (<= ULTIMATE.start_main_~x~4 45)), 132191#(and (<= ULTIMATE.start_main_~x~4 46) (<= 46 ULTIMATE.start_main_~x~4)), 132188#(and (<= ULTIMATE.start_main_~x~4 43) (<= 43 ULTIMATE.start_main_~x~4)), 132189#(and (<= 44 ULTIMATE.start_main_~x~4) (<= ULTIMATE.start_main_~x~4 44)), 132194#(and (<= 49 ULTIMATE.start_main_~x~4) (<= ULTIMATE.start_main_~x~4 49)), 132195#(and (<= ULTIMATE.start_main_~x~4 50) (<= 50 ULTIMATE.start_main_~x~4)), 132192#(and (<= 47 ULTIMATE.start_main_~x~4) (<= ULTIMATE.start_main_~x~4 47)), 132193#(and (<= 48 ULTIMATE.start_main_~x~4) (<= ULTIMATE.start_main_~x~4 48)), 132198#(and (<= 53 ULTIMATE.start_main_~x~4) (<= ULTIMATE.start_main_~x~4 53)), 132199#(and (<= ULTIMATE.start_main_~x~4 54) (<= 54 ULTIMATE.start_main_~x~4)), 132196#(and (<= 51 ULTIMATE.start_main_~x~4) (<= ULTIMATE.start_main_~x~4 51)), 132197#(and (<= ULTIMATE.start_main_~x~4 52) (<= 52 ULTIMATE.start_main_~x~4)), 132202#(and (<= 57 ULTIMATE.start_main_~x~4) (<= ULTIMATE.start_main_~x~4 57)), 132203#(and (<= 58 ULTIMATE.start_main_~x~4) (<= ULTIMATE.start_main_~x~4 58)), 132200#(and (<= 55 ULTIMATE.start_main_~x~4) (<= ULTIMATE.start_main_~x~4 55)), 132201#(and (<= 56 ULTIMATE.start_main_~x~4) (<= ULTIMATE.start_main_~x~4 56)), 132206#(and (<= 61 ULTIMATE.start_main_~x~4) (<= ULTIMATE.start_main_~x~4 61)), 132207#(and (<= ULTIMATE.start_main_~x~4 62) (<= 62 ULTIMATE.start_main_~x~4)), 132204#(and (<= ULTIMATE.start_main_~x~4 59) (<= 59 ULTIMATE.start_main_~x~4)), 132205#(and (<= 60 ULTIMATE.start_main_~x~4) (<= ULTIMATE.start_main_~x~4 60)), 132210#(and (<= 65 ULTIMATE.start_main_~x~4) (<= ULTIMATE.start_main_~x~4 65)), 132211#(and (<= 66 ULTIMATE.start_main_~x~4) (<= ULTIMATE.start_main_~x~4 66)), 132208#(and (<= 63 ULTIMATE.start_main_~x~4) (<= ULTIMATE.start_main_~x~4 63)), 132209#(and (<= ULTIMATE.start_main_~x~4 64) (<= 64 ULTIMATE.start_main_~x~4)), 132214#(and (<= 69 ULTIMATE.start_main_~x~4) (<= ULTIMATE.start_main_~x~4 69)), 132215#(and (<= ULTIMATE.start_main_~x~4 70) (<= 70 ULTIMATE.start_main_~x~4)), 132212#(and (<= 67 ULTIMATE.start_main_~x~4) (<= ULTIMATE.start_main_~x~4 67)), 132213#(and (<= ULTIMATE.start_main_~x~4 68) (<= 68 ULTIMATE.start_main_~x~4)), 132218#(and (<= ULTIMATE.start_main_~x~4 73) (<= 73 ULTIMATE.start_main_~x~4)), 132219#(and (<= 74 ULTIMATE.start_main_~x~4) (<= ULTIMATE.start_main_~x~4 74)), 132216#(and (<= 71 ULTIMATE.start_main_~x~4) (<= ULTIMATE.start_main_~x~4 71)), 132217#(and (<= 72 ULTIMATE.start_main_~x~4) (<= ULTIMATE.start_main_~x~4 72)), 132222#(and (<= ULTIMATE.start_main_~x~4 77) (<= 77 ULTIMATE.start_main_~x~4)), 132223#(and (<= ULTIMATE.start_main_~x~4 78) (<= 78 ULTIMATE.start_main_~x~4)), 132220#(and (<= ULTIMATE.start_main_~x~4 75) (<= 75 ULTIMATE.start_main_~x~4)), 132221#(and (<= ULTIMATE.start_main_~x~4 76) (<= 76 ULTIMATE.start_main_~x~4)), 132226#(and (<= ULTIMATE.start_main_~x~4 81) (<= 81 ULTIMATE.start_main_~x~4)), 132227#(and (<= ULTIMATE.start_main_~x~4 82) (<= 82 ULTIMATE.start_main_~x~4)), 132224#(and (<= 79 ULTIMATE.start_main_~x~4) (<= ULTIMATE.start_main_~x~4 79)), 132225#(and (<= ULTIMATE.start_main_~x~4 80) (<= 80 ULTIMATE.start_main_~x~4)), 132230#(and (<= 85 ULTIMATE.start_main_~x~4) (<= ULTIMATE.start_main_~x~4 85)), 132231#(and (<= 86 ULTIMATE.start_main_~x~4) (<= ULTIMATE.start_main_~x~4 86)), 132228#(and (<= 83 ULTIMATE.start_main_~x~4) (<= ULTIMATE.start_main_~x~4 83)), 132229#(and (<= ULTIMATE.start_main_~x~4 84) (<= 84 ULTIMATE.start_main_~x~4)), 132234#(and (<= ULTIMATE.start_main_~x~4 89) (<= 89 ULTIMATE.start_main_~x~4)), 132235#(and (<= ULTIMATE.start_main_~x~4 90) (<= 90 ULTIMATE.start_main_~x~4)), 132232#(and (<= ULTIMATE.start_main_~x~4 87) (<= 87 ULTIMATE.start_main_~x~4)), 132233#(and (<= 88 ULTIMATE.start_main_~x~4) (<= ULTIMATE.start_main_~x~4 88)), 132238#(and (<= ULTIMATE.start_main_~x~4 93) (<= 93 ULTIMATE.start_main_~x~4)), 132239#(and (<= ULTIMATE.start_main_~x~4 94) (<= 94 ULTIMATE.start_main_~x~4)), 132236#(and (<= ULTIMATE.start_main_~x~4 91) (<= 91 ULTIMATE.start_main_~x~4)), 132237#(and (<= ULTIMATE.start_main_~x~4 92) (<= 92 ULTIMATE.start_main_~x~4)), 132242#(and (<= 97 ULTIMATE.start_main_~x~4) (<= ULTIMATE.start_main_~x~4 97)), 132243#(and (<= ULTIMATE.start_main_~x~4 98) (<= 98 ULTIMATE.start_main_~x~4)), 132240#(and (<= 95 ULTIMATE.start_main_~x~4) (<= ULTIMATE.start_main_~x~4 95)), 132241#(and (<= ULTIMATE.start_main_~x~4 96) (<= 96 ULTIMATE.start_main_~x~4)), 132246#(and (<= ULTIMATE.start_main_~x~4 101) (<= 101 ULTIMATE.start_main_~x~4)), 132247#(and (<= 102 ULTIMATE.start_main_~x~4) (<= ULTIMATE.start_main_~x~4 102)), 132244#(and (<= 99 ULTIMATE.start_main_~x~4) (<= ULTIMATE.start_main_~x~4 99)), 132245#(and (<= ULTIMATE.start_main_~x~4 100) (<= 100 ULTIMATE.start_main_~x~4)), 132250#(and (<= 105 ULTIMATE.start_main_~x~4) (<= ULTIMATE.start_main_~x~4 105)), 132251#(and (<= 106 ULTIMATE.start_main_~x~4) (<= ULTIMATE.start_main_~x~4 106)), 132248#(and (<= 103 ULTIMATE.start_main_~x~4) (<= ULTIMATE.start_main_~x~4 103)), 132249#(and (<= ULTIMATE.start_main_~x~4 104) (<= 104 ULTIMATE.start_main_~x~4)), 132254#(and (<= ULTIMATE.start_main_~x~4 109) (<= 109 ULTIMATE.start_main_~x~4)), 132255#(and (<= 110 ULTIMATE.start_main_~x~4) (<= ULTIMATE.start_main_~x~4 110)), 132252#(and (<= 107 ULTIMATE.start_main_~x~4) (<= ULTIMATE.start_main_~x~4 107)), 132253#(and (<= 108 ULTIMATE.start_main_~x~4) (<= ULTIMATE.start_main_~x~4 108)), 132258#(and (<= 113 ULTIMATE.start_main_~x~4) (<= ULTIMATE.start_main_~x~4 113)), 132259#(and (<= ULTIMATE.start_main_~x~4 114) (<= 114 ULTIMATE.start_main_~x~4)), 132256#(and (<= ULTIMATE.start_main_~x~4 111) (<= 111 ULTIMATE.start_main_~x~4)), 132257#(and (<= ULTIMATE.start_main_~x~4 112) (<= 112 ULTIMATE.start_main_~x~4)), 132262#(and (<= ULTIMATE.start_main_~x~4 117) (<= 117 ULTIMATE.start_main_~x~4)), 132263#(and (<= 118 ULTIMATE.start_main_~x~4) (<= ULTIMATE.start_main_~x~4 118)), 132260#(and (<= ULTIMATE.start_main_~x~4 115) (<= 115 ULTIMATE.start_main_~x~4)), 132261#(and (<= ULTIMATE.start_main_~x~4 116) (<= 116 ULTIMATE.start_main_~x~4)), 132266#(and (<= 121 ULTIMATE.start_main_~x~4) (<= ULTIMATE.start_main_~x~4 121)), 132267#(and (<= 122 ULTIMATE.start_main_~x~4) (<= ULTIMATE.start_main_~x~4 122)), 132264#(and (<= 119 ULTIMATE.start_main_~x~4) (<= ULTIMATE.start_main_~x~4 119)), 132265#(and (<= 120 ULTIMATE.start_main_~x~4) (<= ULTIMATE.start_main_~x~4 120)), 132270#(and (<= 125 ULTIMATE.start_main_~x~4) (<= ULTIMATE.start_main_~x~4 125)), 132271#(and (<= 126 ULTIMATE.start_main_~x~4) (<= ULTIMATE.start_main_~x~4 126)), 132268#(and (<= ULTIMATE.start_main_~x~4 123) (<= 123 ULTIMATE.start_main_~x~4)), 132269#(and (<= ULTIMATE.start_main_~x~4 124) (<= 124 ULTIMATE.start_main_~x~4)), 132274#(and (<= 129 ULTIMATE.start_main_~x~4) (<= ULTIMATE.start_main_~x~4 129)), 132275#(and (<= ULTIMATE.start_main_~x~4 130) (<= 130 ULTIMATE.start_main_~x~4)), 132272#(and (<= ULTIMATE.start_main_~x~4 127) (<= 127 ULTIMATE.start_main_~x~4)), 132273#(and (<= 128 ULTIMATE.start_main_~x~4) (<= ULTIMATE.start_main_~x~4 128)), 132278#(and (<= ULTIMATE.start_main_~x~4 133) (<= 133 ULTIMATE.start_main_~x~4)), 132279#(and (<= 134 ULTIMATE.start_main_~x~4) (<= ULTIMATE.start_main_~x~4 134)), 132276#(and (<= 131 ULTIMATE.start_main_~x~4) (<= ULTIMATE.start_main_~x~4 131)), 132277#(and (<= 132 ULTIMATE.start_main_~x~4) (<= ULTIMATE.start_main_~x~4 132)), 132282#(and (<= 137 ULTIMATE.start_main_~x~4) (<= ULTIMATE.start_main_~x~4 137)), 132283#(and (<= 138 ULTIMATE.start_main_~x~4) (<= ULTIMATE.start_main_~x~4 138)), 132280#(and (<= 135 ULTIMATE.start_main_~x~4) (<= ULTIMATE.start_main_~x~4 135)), 132281#(and (<= ULTIMATE.start_main_~x~4 136) (<= 136 ULTIMATE.start_main_~x~4)), 132286#(and (<= 141 ULTIMATE.start_main_~x~4) (<= ULTIMATE.start_main_~x~4 141)), 132287#(and (<= 142 ULTIMATE.start_main_~x~4) (<= ULTIMATE.start_main_~x~4 142)), 132284#(and (<= 139 ULTIMATE.start_main_~x~4) (<= ULTIMATE.start_main_~x~4 139)), 132285#(and (<= 140 ULTIMATE.start_main_~x~4) (<= ULTIMATE.start_main_~x~4 140)), 132290#(and (<= ULTIMATE.start_main_~x~4 145) (<= 145 ULTIMATE.start_main_~x~4)), 132291#(and (<= ULTIMATE.start_main_~x~4 146) (<= 146 ULTIMATE.start_main_~x~4)), 132288#(and (<= ULTIMATE.start_main_~x~4 143) (<= 143 ULTIMATE.start_main_~x~4)), 132289#(and (<= ULTIMATE.start_main_~x~4 144) (<= 144 ULTIMATE.start_main_~x~4)), 132294#(and (<= 149 ULTIMATE.start_main_~x~4) (<= ULTIMATE.start_main_~x~4 149)), 132295#(and (<= 150 ULTIMATE.start_main_~x~4) (<= ULTIMATE.start_main_~x~4 150)), 132292#(and (<= 147 ULTIMATE.start_main_~x~4) (<= ULTIMATE.start_main_~x~4 147)), 132293#(and (<= ULTIMATE.start_main_~x~4 148) (<= 148 ULTIMATE.start_main_~x~4)), 132298#(and (<= ULTIMATE.start_main_~x~4 153) (<= 153 ULTIMATE.start_main_~x~4)), 132299#(and (<= ULTIMATE.start_main_~x~4 154) (<= 154 ULTIMATE.start_main_~x~4)), 132296#(and (<= ULTIMATE.start_main_~x~4 151) (<= 151 ULTIMATE.start_main_~x~4)), 132297#(and (<= 152 ULTIMATE.start_main_~x~4) (<= ULTIMATE.start_main_~x~4 152)), 132302#(and (<= ULTIMATE.start_main_~x~4 157) (<= 157 ULTIMATE.start_main_~x~4)), 132303#(and (<= 158 ULTIMATE.start_main_~x~4) (<= ULTIMATE.start_main_~x~4 158)), 132300#(and (<= 155 ULTIMATE.start_main_~x~4) (<= ULTIMATE.start_main_~x~4 155)), 132301#(and (<= ULTIMATE.start_main_~x~4 156) (<= 156 ULTIMATE.start_main_~x~4)), 132306#(and (<= 161 ULTIMATE.start_main_~x~4) (<= ULTIMATE.start_main_~x~4 161)), 132307#(and (<= 162 ULTIMATE.start_main_~x~4) (<= ULTIMATE.start_main_~x~4 162)), 132304#(and (<= ULTIMATE.start_main_~x~4 159) (<= 159 ULTIMATE.start_main_~x~4)), 132305#(and (<= ULTIMATE.start_main_~x~4 160) (<= 160 ULTIMATE.start_main_~x~4)), 132310#(and (<= 165 ULTIMATE.start_main_~x~4) (<= ULTIMATE.start_main_~x~4 165)), 132311#(and (<= 166 ULTIMATE.start_main_~x~4) (<= ULTIMATE.start_main_~x~4 166)), 132308#(and (<= 163 ULTIMATE.start_main_~x~4) (<= ULTIMATE.start_main_~x~4 163)), 132309#(and (<= 164 ULTIMATE.start_main_~x~4) (<= ULTIMATE.start_main_~x~4 164)), 132312#(and (<= 167 ULTIMATE.start_main_~x~4) (<= ULTIMATE.start_main_~x~4 167)), 132313#(and (<= ULTIMATE.start_main_~x~4 168) (<= 168 ULTIMATE.start_main_~x~4))] [2018-07-23 13:53:47,882 INFO L134 CoverageAnalysis]: Checked inductivity of 28392 backedges. 0 proven. 28392 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-07-23 13:53:47,882 INFO L450 AbstractCegarLoop]: Interpolant automaton has 171 states [2018-07-23 13:53:47,882 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 171 interpolants. [2018-07-23 13:53:47,884 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=339, Invalid=28731, Unknown=0, NotChecked=0, Total=29070 [2018-07-23 13:53:47,884 INFO L87 Difference]: Start difference. First operand 341 states and 341 transitions. Second operand 171 states. [2018-07-23 13:53:49,936 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-07-23 13:53:49,936 INFO L93 Difference]: Finished difference Result 345 states and 345 transitions. [2018-07-23 13:53:49,936 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 171 states. [2018-07-23 13:53:49,936 INFO L78 Accepts]: Start accepts. Automaton has 171 states. Word has length 340 [2018-07-23 13:53:49,936 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-07-23 13:53:49,937 INFO L225 Difference]: With dead ends: 345 [2018-07-23 13:53:49,937 INFO L226 Difference]: Without dead ends: 343 [2018-07-23 13:53:49,939 INFO L575 BasicCegarLoop]: 0 DeclaredPredicates, 170 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 169 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 1.1s TimeCoverageRelationStatistics Valid=339, Invalid=28731, Unknown=0, NotChecked=0, Total=29070 [2018-07-23 13:53:49,939 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 343 states. [2018-07-23 13:53:49,947 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 343 to 343. [2018-07-23 13:53:49,947 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 343 states. [2018-07-23 13:53:49,947 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 343 states to 343 states and 343 transitions. [2018-07-23 13:53:49,947 INFO L78 Accepts]: Start accepts. Automaton has 343 states and 343 transitions. Word has length 340 [2018-07-23 13:53:49,948 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-07-23 13:53:49,948 INFO L471 AbstractCegarLoop]: Abstraction has 343 states and 343 transitions. [2018-07-23 13:53:49,948 INFO L472 AbstractCegarLoop]: Interpolant automaton has 171 states. [2018-07-23 13:53:49,948 INFO L276 IsEmpty]: Start isEmpty. Operand 343 states and 343 transitions. [2018-07-23 13:53:49,949 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 343 [2018-07-23 13:53:49,949 INFO L349 BasicCegarLoop]: Found error trace [2018-07-23 13:53:49,949 INFO L357 BasicCegarLoop]: trace histogram [170, 169, 1, 1, 1] [2018-07-23 13:53:49,949 INFO L414 AbstractCegarLoop]: === Iteration 170 === [ULTIMATE.startErr0AssertViolationASSERT]=== [2018-07-23 13:53:49,949 INFO L82 PathProgramCache]: Analyzing trace with hash 352282001, now seen corresponding path program 169 times [2018-07-23 13:53:49,949 INFO L69 tionRefinementEngine]: Using refinement strategy FixedRefinementStrategy [2018-07-23 13:53:50,484 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-07-23 13:53:51,979 INFO L134 CoverageAnalysis]: Checked inductivity of 28730 backedges. 0 proven. 28730 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-07-23 13:53:51,979 INFO L309 seRefinementStrategy]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2018-07-23 13:53:51,980 INFO L324 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [171] total 171 [2018-07-23 13:53:51,980 INFO L142 lantAutomatonBuilder]: Constructing canonical interpolant automaton, with selfloop in false state [2018-07-23 13:53:51,980 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-07-23 13:53:51,980 INFO L185 omatonBuilderFactory]: Interpolants [133690#true, 133691#false, 133694#(and (<= 2 ULTIMATE.start_main_~x~4) (<= ULTIMATE.start_main_~x~4 2)), 133695#(and (<= 3 ULTIMATE.start_main_~x~4) (<= ULTIMATE.start_main_~x~4 3)), 133692#(and (<= ULTIMATE.start_main_~x~4 0) (<= 0 ULTIMATE.start_main_~x~4)), 133693#(and (<= ULTIMATE.start_main_~x~4 1) (<= 1 ULTIMATE.start_main_~x~4)), 133698#(and (<= 6 ULTIMATE.start_main_~x~4) (<= ULTIMATE.start_main_~x~4 6)), 133699#(and (<= ULTIMATE.start_main_~x~4 7) (<= 7 ULTIMATE.start_main_~x~4)), 133696#(and (<= ULTIMATE.start_main_~x~4 4) (<= 4 ULTIMATE.start_main_~x~4)), 133697#(and (<= ULTIMATE.start_main_~x~4 5) (<= 5 ULTIMATE.start_main_~x~4)), 133702#(and (<= ULTIMATE.start_main_~x~4 10) (<= 10 ULTIMATE.start_main_~x~4)), 133703#(and (<= ULTIMATE.start_main_~x~4 11) (<= 11 ULTIMATE.start_main_~x~4)), 133700#(and (<= ULTIMATE.start_main_~x~4 8) (<= 8 ULTIMATE.start_main_~x~4)), 133701#(and (<= 9 ULTIMATE.start_main_~x~4) (<= ULTIMATE.start_main_~x~4 9)), 133706#(and (<= 14 ULTIMATE.start_main_~x~4) (<= ULTIMATE.start_main_~x~4 14)), 133707#(and (<= 15 ULTIMATE.start_main_~x~4) (<= ULTIMATE.start_main_~x~4 15)), 133704#(and (<= 12 ULTIMATE.start_main_~x~4) (<= ULTIMATE.start_main_~x~4 12)), 133705#(and (<= ULTIMATE.start_main_~x~4 13) (<= 13 ULTIMATE.start_main_~x~4)), 133710#(and (<= 18 ULTIMATE.start_main_~x~4) (<= ULTIMATE.start_main_~x~4 18)), 133711#(and (<= 19 ULTIMATE.start_main_~x~4) (<= ULTIMATE.start_main_~x~4 19)), 133708#(and (<= ULTIMATE.start_main_~x~4 16) (<= 16 ULTIMATE.start_main_~x~4)), 133709#(and (<= ULTIMATE.start_main_~x~4 17) (<= 17 ULTIMATE.start_main_~x~4)), 133714#(and (<= ULTIMATE.start_main_~x~4 22) (<= 22 ULTIMATE.start_main_~x~4)), 133715#(and (<= ULTIMATE.start_main_~x~4 23) (<= 23 ULTIMATE.start_main_~x~4)), 133712#(and (<= 20 ULTIMATE.start_main_~x~4) (<= ULTIMATE.start_main_~x~4 20)), 133713#(and (<= ULTIMATE.start_main_~x~4 21) (<= 21 ULTIMATE.start_main_~x~4)), 133718#(and (<= ULTIMATE.start_main_~x~4 26) (<= 26 ULTIMATE.start_main_~x~4)), 133719#(and (<= ULTIMATE.start_main_~x~4 27) (<= 27 ULTIMATE.start_main_~x~4)), 133716#(and (<= ULTIMATE.start_main_~x~4 24) (<= 24 ULTIMATE.start_main_~x~4)), 133717#(and (<= ULTIMATE.start_main_~x~4 25) (<= 25 ULTIMATE.start_main_~x~4)), 133722#(and (<= ULTIMATE.start_main_~x~4 30) (<= 30 ULTIMATE.start_main_~x~4)), 133723#(and (<= ULTIMATE.start_main_~x~4 31) (<= 31 ULTIMATE.start_main_~x~4)), 133720#(and (<= ULTIMATE.start_main_~x~4 28) (<= 28 ULTIMATE.start_main_~x~4)), 133721#(and (<= 29 ULTIMATE.start_main_~x~4) (<= ULTIMATE.start_main_~x~4 29)), 133726#(and (<= 34 ULTIMATE.start_main_~x~4) (<= ULTIMATE.start_main_~x~4 34)), 133727#(and (<= ULTIMATE.start_main_~x~4 35) (<= 35 ULTIMATE.start_main_~x~4)), 133724#(and (<= ULTIMATE.start_main_~x~4 32) (<= 32 ULTIMATE.start_main_~x~4)), 133725#(and (<= ULTIMATE.start_main_~x~4 33) (<= 33 ULTIMATE.start_main_~x~4)), 133730#(and (<= 38 ULTIMATE.start_main_~x~4) (<= ULTIMATE.start_main_~x~4 38)), 133731#(and (<= ULTIMATE.start_main_~x~4 39) (<= 39 ULTIMATE.start_main_~x~4)), 133728#(and (<= 36 ULTIMATE.start_main_~x~4) (<= ULTIMATE.start_main_~x~4 36)), 133729#(and (<= ULTIMATE.start_main_~x~4 37) (<= 37 ULTIMATE.start_main_~x~4)), 133734#(and (<= ULTIMATE.start_main_~x~4 42) (<= 42 ULTIMATE.start_main_~x~4)), 133735#(and (<= ULTIMATE.start_main_~x~4 43) (<= 43 ULTIMATE.start_main_~x~4)), 133732#(and (<= ULTIMATE.start_main_~x~4 40) (<= 40 ULTIMATE.start_main_~x~4)), 133733#(and (<= ULTIMATE.start_main_~x~4 41) (<= 41 ULTIMATE.start_main_~x~4)), 133738#(and (<= ULTIMATE.start_main_~x~4 46) (<= 46 ULTIMATE.start_main_~x~4)), 133739#(and (<= 47 ULTIMATE.start_main_~x~4) (<= ULTIMATE.start_main_~x~4 47)), 133736#(and (<= 44 ULTIMATE.start_main_~x~4) (<= ULTIMATE.start_main_~x~4 44)), 133737#(and (<= 45 ULTIMATE.start_main_~x~4) (<= ULTIMATE.start_main_~x~4 45)), 133742#(and (<= ULTIMATE.start_main_~x~4 50) (<= 50 ULTIMATE.start_main_~x~4)), 133743#(and (<= 51 ULTIMATE.start_main_~x~4) (<= ULTIMATE.start_main_~x~4 51)), 133740#(and (<= 48 ULTIMATE.start_main_~x~4) (<= ULTIMATE.start_main_~x~4 48)), 133741#(and (<= 49 ULTIMATE.start_main_~x~4) (<= ULTIMATE.start_main_~x~4 49)), 133746#(and (<= ULTIMATE.start_main_~x~4 54) (<= 54 ULTIMATE.start_main_~x~4)), 133747#(and (<= 55 ULTIMATE.start_main_~x~4) (<= ULTIMATE.start_main_~x~4 55)), 133744#(and (<= ULTIMATE.start_main_~x~4 52) (<= 52 ULTIMATE.start_main_~x~4)), 133745#(and (<= 53 ULTIMATE.start_main_~x~4) (<= ULTIMATE.start_main_~x~4 53)), 133750#(and (<= 58 ULTIMATE.start_main_~x~4) (<= ULTIMATE.start_main_~x~4 58)), 133751#(and (<= ULTIMATE.start_main_~x~4 59) (<= 59 ULTIMATE.start_main_~x~4)), 133748#(and (<= 56 ULTIMATE.start_main_~x~4) (<= ULTIMATE.start_main_~x~4 56)), 133749#(and (<= 57 ULTIMATE.start_main_~x~4) (<= ULTIMATE.start_main_~x~4 57)), 133754#(and (<= ULTIMATE.start_main_~x~4 62) (<= 62 ULTIMATE.start_main_~x~4)), 133755#(and 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ULTIMATE.start_main_~x~4)), 133849#(and (<= ULTIMATE.start_main_~x~4 157) (<= 157 ULTIMATE.start_main_~x~4)), 133854#(and (<= 162 ULTIMATE.start_main_~x~4) (<= ULTIMATE.start_main_~x~4 162)), 133855#(and (<= 163 ULTIMATE.start_main_~x~4) (<= ULTIMATE.start_main_~x~4 163)), 133852#(and (<= ULTIMATE.start_main_~x~4 160) (<= 160 ULTIMATE.start_main_~x~4)), 133853#(and (<= 161 ULTIMATE.start_main_~x~4) (<= ULTIMATE.start_main_~x~4 161)), 133858#(and (<= 166 ULTIMATE.start_main_~x~4) (<= ULTIMATE.start_main_~x~4 166)), 133859#(and (<= 167 ULTIMATE.start_main_~x~4) (<= ULTIMATE.start_main_~x~4 167)), 133856#(and (<= 164 ULTIMATE.start_main_~x~4) (<= ULTIMATE.start_main_~x~4 164)), 133857#(and (<= 165 ULTIMATE.start_main_~x~4) (<= ULTIMATE.start_main_~x~4 165)), 133860#(and (<= ULTIMATE.start_main_~x~4 168) (<= 168 ULTIMATE.start_main_~x~4)), 133861#(and (<= 169 ULTIMATE.start_main_~x~4) (<= ULTIMATE.start_main_~x~4 169))] [2018-07-23 13:53:51,982 INFO L134 CoverageAnalysis]: Checked inductivity of 28730 backedges. 0 proven. 28730 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-07-23 13:53:51,982 INFO L450 AbstractCegarLoop]: Interpolant automaton has 172 states [2018-07-23 13:53:51,982 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 172 interpolants. [2018-07-23 13:53:51,983 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=341, Invalid=29071, Unknown=0, NotChecked=0, Total=29412 [2018-07-23 13:53:51,983 INFO L87 Difference]: Start difference. First operand 343 states and 343 transitions. Second operand 172 states. Received shutdown request... [2018-07-23 13:53:52,722 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 64 states. [2018-07-23 13:53:52,723 WARN L540 AbstractCegarLoop]: Verification canceled [2018-07-23 13:53:52,743 WARN L202 ceAbstractionStarter]: Timeout [2018-07-23 13:53:52,745 INFO L202 PluginConnector]: Adding new model phases1.i_3.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 23.07 01:53:52 BoogieIcfgContainer [2018-07-23 13:53:52,746 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2018-07-23 13:53:52,747 INFO L168 Benchmark]: Toolchain (without parser) took 251621.94 ms. Allocated memory was 1.5 GB in the beginning and 3.1 GB in the end (delta: 1.6 GB). Free memory was 1.5 GB in the beginning and 1.0 GB in the end (delta: 415.7 MB). Peak memory consumption was 2.0 GB. Max. memory is 7.1 GB. [2018-07-23 13:53:52,748 INFO L168 Benchmark]: Boogie PL CUP Parser took 0.21 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 13:53:52,749 INFO L168 Benchmark]: Boogie Preprocessor took 51.43 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 13:53:52,749 INFO L168 Benchmark]: RCFGBuilder took 225.88 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 13:53:52,750 INFO L168 Benchmark]: TraceAbstraction took 251340.23 ms. Allocated memory was 1.5 GB in the beginning and 3.1 GB in the end (delta: 1.6 GB). Free memory was 1.4 GB in the beginning and 1.0 GB in the end (delta: 405.2 MB). Peak memory consumption was 2.0 GB. Max. memory is 7.1 GB. [2018-07-23 13:53:52,752 INFO L336 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * Boogie PL CUP Parser took 0.21 ms. Allocated memory is still 1.5 GB. Free memory is still 1.5 GB. There was no memory consumed. Max. memory is 7.1 GB. * Boogie Preprocessor took 51.43 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 225.88 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 251340.23 ms. Allocated memory was 1.5 GB in the beginning and 3.1 GB in the end (delta: 1.6 GB). Free memory was 1.4 GB in the beginning and 1.0 GB in the end (delta: 405.2 MB). Peak memory consumption was 2.0 GB. Max. memory is 7.1 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - TimeoutResultAtElement [Line: 34]: Timeout (TraceAbstraction) Unable to prove that assertion always holds (line 34). Cancelled while BasicCegarLoop was constructing difference of abstraction (343states) and interpolant automaton (currently 64 states, 172 states before enhancement), while ReachableStatesComputation was computing reachable states (123 states constructedinput type IntersectNwa). - StatisticsResult: Ultimate Automizer benchmark data CFG has 1 procedures, 7 locations, 1 error locations. TIMEOUT Result, 251.2s OverallTime, 170 OverallIterations, 170 TraceHistogramMax, 127.0s AutomataDifference, 0.0s DeadEndRemovalTime, 0.0s HoareAnnotationTime, HoareTripleCheckerStatistics: 14934 SDtfs, 0 SDslu, 1633555 SDs, 0 SdLazy, 1662409 SolverSat, 0 SolverUnsat, 105 SolverUnknown, 0 SolverNotchecked, 84.6s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 14705 GetRequests, 170 SyntacticMatches, 0 SemanticMatches, 14535 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 74.3s Time, 0.2s BasicInterpolantAutomatonTime, BiggestAbstraction: size=343occurred in iteration=169, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/1637610 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s AbstIntTime, 0 AbstIntIterations, 0 AbstIntStrong, NaN AbsIntWeakeningRatio, NaN AbsIntAvgWeakeningVarsNumRemoved, NaN AbsIntAvgWeakenedConjuncts, 0.0s DumpTime, AutomataMinimizationStatistics: 1.3s AutomataMinimizationTime, 169 MinimizatonAttempts, 0 StatesRemovedByMinimization, 0 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TraceCheckStatistics: 0.2s SsaConstructionTime, 23.3s SatisfiabilityAnalysisTime, 88.8s InterpolantComputationTime, 29410 NumberOfCodeBlocks, 29410 NumberOfCodeBlocksAsserted, 170 NumberOfCheckSat, 29240 ConstructedInterpolants, 0 QuantifiedInterpolants, 46492790 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 170 InterpolantComputations, 1 PerfectInterpolantSequences, 0/1637610 InterpolantCoveringCapability, InvariantSynthesisStatistics: No data available, InterpolantConsolidationStatistics: No data available, ReuseStatistics: No data available RESULT: Ultimate could not prove your program: Timeout Written .csv to /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/csv/phases1.i_3.bpl_AutomizerBpl-nestedInterpolants.epf_AutomizerBpl.xml/Csv-Benchmark-0-2018-07-23_13-53-52-761.csv Written .csv to /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/csv/phases1.i_3.bpl_AutomizerBpl-nestedInterpolants.epf_AutomizerBpl.xml/Csv-TraceAbstractionBenchmarks-0-2018-07-23_13-53-52-761.csv Completed graceful shutdown