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/afnp2014.c.i_3.bpl -------------------------------------------------------------------------------- This is Ultimate 0.1.23-935f392 [2018-07-23 13:41:51,225 INFO L170 SettingsManager]: Resetting all preferences to default values... [2018-07-23 13:41:51,227 INFO L174 SettingsManager]: Resetting UltimateCore preferences to default values [2018-07-23 13:41:51,240 INFO L177 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2018-07-23 13:41:51,240 INFO L174 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2018-07-23 13:41:51,241 INFO L174 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2018-07-23 13:41:51,242 INFO L174 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2018-07-23 13:41:51,245 INFO L174 SettingsManager]: Resetting LassoRanker preferences to default values [2018-07-23 13:41:51,249 INFO L174 SettingsManager]: Resetting Reaching Definitions preferences to default values [2018-07-23 13:41:51,250 INFO L174 SettingsManager]: Resetting SyntaxChecker preferences to default values [2018-07-23 13:41:51,253 INFO L177 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2018-07-23 13:41:51,253 INFO L174 SettingsManager]: Resetting LTL2Aut preferences to default values [2018-07-23 13:41:51,254 INFO L174 SettingsManager]: Resetting PEA to Boogie preferences to default values [2018-07-23 13:41:51,255 INFO L174 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2018-07-23 13:41:51,256 INFO L174 SettingsManager]: Resetting ChcToBoogie preferences to default values [2018-07-23 13:41:51,260 INFO L174 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2018-07-23 13:41:51,261 INFO L174 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2018-07-23 13:41:51,264 INFO L174 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2018-07-23 13:41:51,275 INFO L174 SettingsManager]: Resetting CodeCheck preferences to default values [2018-07-23 13:41:51,279 INFO L174 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2018-07-23 13:41:51,280 INFO L174 SettingsManager]: Resetting RCFGBuilder preferences to default values [2018-07-23 13:41:51,284 INFO L174 SettingsManager]: Resetting TraceAbstraction preferences to default values [2018-07-23 13:41:51,286 INFO L177 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2018-07-23 13:41:51,289 INFO L177 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2018-07-23 13:41:51,289 INFO L174 SettingsManager]: Resetting TreeAutomizer preferences to default values [2018-07-23 13:41:51,290 INFO L174 SettingsManager]: Resetting IcfgTransformer preferences to default values [2018-07-23 13:41:51,291 INFO L174 SettingsManager]: Resetting Boogie Printer preferences to default values [2018-07-23 13:41:51,292 INFO L174 SettingsManager]: Resetting ReqPrinter preferences to default values [2018-07-23 13:41:51,293 INFO L174 SettingsManager]: Resetting Witness Printer preferences to default values [2018-07-23 13:41:51,294 INFO L177 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2018-07-23 13:41:51,297 INFO L174 SettingsManager]: Resetting CDTParser preferences to default values [2018-07-23 13:41:51,298 INFO L177 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2018-07-23 13:41:51,298 INFO L177 SettingsManager]: ReqParser provides no preferences, ignoring... [2018-07-23 13:41:51,299 INFO L174 SettingsManager]: Resetting SmtParser preferences to default values [2018-07-23 13:41:51,301 INFO L174 SettingsManager]: Resetting Witness Parser preferences to default values [2018-07-23 13:41:51,302 INFO L181 SettingsManager]: Finished resetting all preferences to default values... [2018-07-23 13:41:51,302 INFO L98 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/programs/regression/bpl/AutomizerBpl-nestedInterpolants.epf [2018-07-23 13:41:51,327 INFO L110 SettingsManager]: Loading preferences was successful [2018-07-23 13:41:51,328 INFO L112 SettingsManager]: Preferences different from defaults after loading the file: [2018-07-23 13:41:51,329 INFO L131 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2018-07-23 13:41:51,330 INFO L133 SettingsManager]: * SMT solver=Internal_SMTInterpol [2018-07-23 13:41:51,330 INFO L131 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2018-07-23 13:41:51,330 INFO L133 SettingsManager]: * Compute Interpolants along a Counterexample=Craig_NestedInterpolation [2018-07-23 13:41:51,330 INFO L133 SettingsManager]: * Use separate solver for trace checks=false [2018-07-23 13:41:51,331 INFO L133 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2018-07-23 13:41:51,385 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2018-07-23 13:41:51,401 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2018-07-23 13:41:51,406 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2018-07-23 13:41:51,409 INFO L271 PluginConnector]: Initializing Boogie PL CUP Parser... [2018-07-23 13:41:51,410 INFO L276 PluginConnector]: Boogie PL CUP Parser initialized [2018-07-23 13:41:51,410 INFO L418 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/programs/20170304-DifficultPathPrograms/afnp2014.c.i_3.bpl [2018-07-23 13:41:51,411 INFO L111 BoogieParser]: Parsing: '/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/programs/20170304-DifficultPathPrograms/afnp2014.c.i_3.bpl' [2018-07-23 13:41:51,472 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2018-07-23 13:41:51,474 INFO L131 ToolchainWalker]: Walking toolchain with 3 elements. [2018-07-23 13:41:51,475 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2018-07-23 13:41:51,475 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2018-07-23 13:41:51,475 INFO L276 PluginConnector]: Boogie Preprocessor initialized [2018-07-23 13:41:51,504 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "afnp2014.c.i_3.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 23.07 01:41:51" (1/1) ... [2018-07-23 13:41:51,506 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "afnp2014.c.i_3.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 23.07 01:41:51" (1/1) ... [2018-07-23 13:41:51,516 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "afnp2014.c.i_3.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 23.07 01:41:51" (1/1) ... [2018-07-23 13:41:51,517 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "afnp2014.c.i_3.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 23.07 01:41:51" (1/1) ... [2018-07-23 13:41:51,519 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "afnp2014.c.i_3.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 23.07 01:41:51" (1/1) ... [2018-07-23 13:41:51,521 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "afnp2014.c.i_3.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 23.07 01:41:51" (1/1) ... [2018-07-23 13:41:51,522 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "afnp2014.c.i_3.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 23.07 01:41:51" (1/1) ... [2018-07-23 13:41:51,524 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2018-07-23 13:41:51,525 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2018-07-23 13:41:51,525 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2018-07-23 13:41:51,525 INFO L276 PluginConnector]: RCFGBuilder initialized [2018-07-23 13:41:51,526 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "afnp2014.c.i_3.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 23.07 01:41:51" (1/1) ... [2018-07-23 13:41:51,605 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2018-07-23 13:41:51,605 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2018-07-23 13:41:51,744 INFO L261 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2018-07-23 13:41:51,745 INFO L202 PluginConnector]: Adding new model afnp2014.c.i_3.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.07 01:41:51 BoogieIcfgContainer [2018-07-23 13:41:51,745 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2018-07-23 13:41:51,746 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2018-07-23 13:41:51,746 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2018-07-23 13:41:51,750 INFO L276 PluginConnector]: TraceAbstraction initialized [2018-07-23 13:41:51,750 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "afnp2014.c.i_3.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 23.07 01:41:51" (1/2) ... [2018-07-23 13:41:51,751 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@1554f529 and model type afnp2014.c.i_3.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 23.07 01:41:51, skipping insertion in model container [2018-07-23 13:41:51,752 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "afnp2014.c.i_3.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.07 01:41:51" (2/2) ... [2018-07-23 13:41:51,754 INFO L112 eAbstractionObserver]: Analyzing ICFG afnp2014.c.i_3.bpl [2018-07-23 13:41:51,764 INFO L132 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:Craig_NestedInterpolation Determinization: PREDICATE_ABSTRACTION [2018-07-23 13:41:51,772 INFO L144 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2018-07-23 13:41:51,819 INFO L128 ementStrategyFactory]: Using default assertion order modulation [2018-07-23 13:41:51,820 INFO L373 AbstractCegarLoop]: Interprodecural is true [2018-07-23 13:41:51,820 INFO L374 AbstractCegarLoop]: Hoare is true [2018-07-23 13:41:51,821 INFO L375 AbstractCegarLoop]: Compute interpolants for Craig_NestedInterpolation [2018-07-23 13:41:51,821 INFO L376 AbstractCegarLoop]: Backedges is CANONICAL [2018-07-23 13:41:51,821 INFO L377 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2018-07-23 13:41:51,821 INFO L378 AbstractCegarLoop]: Difference is false [2018-07-23 13:41:51,821 INFO L379 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2018-07-23 13:41:51,822 INFO L384 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2018-07-23 13:41:51,837 INFO L276 IsEmpty]: Start isEmpty. Operand 6 states. [2018-07-23 13:41:51,845 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2018-07-23 13:41:51,846 INFO L349 BasicCegarLoop]: Found error trace [2018-07-23 13:41:51,847 INFO L357 BasicCegarLoop]: trace histogram [1, 1, 1, 1] [2018-07-23 13:41:51,847 INFO L414 AbstractCegarLoop]: === Iteration 1 === [ULTIMATE.startErr0AssertViolationASSERT]=== [2018-07-23 13:41:51,852 INFO L82 PathProgramCache]: Analyzing trace with hash 925701, now seen corresponding path program 1 times [2018-07-23 13:41:51,857 INFO L69 tionRefinementEngine]: Using refinement strategy FixedRefinementStrategy [2018-07-23 13:41:51,877 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-07-23 13:41:51,937 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-07-23 13:41:51,940 INFO L309 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-07-23 13:41:51,941 INFO L324 seRefinementStrategy]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2018-07-23 13:41:51,943 INFO L142 lantAutomatonBuilder]: Constructing canonical interpolant automaton, with selfloop in false state [2018-07-23 13:41:51,944 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-07-23 13:41:51,944 INFO L185 omatonBuilderFactory]: Interpolants [9#true, 10#false, 11#(<= (+ ULTIMATE.start_main_~y~5 1) ULTIMATE.start_main_~x~5)] [2018-07-23 13:41:51,945 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-07-23 13:41:51,946 INFO L450 AbstractCegarLoop]: Interpolant automaton has 3 states [2018-07-23 13:41:51,960 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2018-07-23 13:41:51,961 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2018-07-23 13:41:51,963 INFO L87 Difference]: Start difference. First operand 6 states. Second operand 3 states. [2018-07-23 13:41:52,001 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-07-23 13:41:52,001 INFO L93 Difference]: Finished difference Result 10 states and 11 transitions. [2018-07-23 13:41:52,002 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2018-07-23 13:41:52,004 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 4 [2018-07-23 13:41:52,004 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-07-23 13:41:52,015 INFO L225 Difference]: With dead ends: 10 [2018-07-23 13:41:52,015 INFO L226 Difference]: Without dead ends: 7 [2018-07-23 13:41:52,019 INFO L575 BasicCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2018-07-23 13:41:52,039 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 7 states. [2018-07-23 13:41:52,055 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 7 to 7. [2018-07-23 13:41:52,056 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 7 states. [2018-07-23 13:41:52,057 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 7 states to 7 states and 7 transitions. [2018-07-23 13:41:52,059 INFO L78 Accepts]: Start accepts. Automaton has 7 states and 7 transitions. Word has length 4 [2018-07-23 13:41:52,059 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-07-23 13:41:52,059 INFO L471 AbstractCegarLoop]: Abstraction has 7 states and 7 transitions. [2018-07-23 13:41:52,060 INFO L472 AbstractCegarLoop]: Interpolant automaton has 3 states. [2018-07-23 13:41:52,060 INFO L276 IsEmpty]: Start isEmpty. Operand 7 states and 7 transitions. [2018-07-23 13:41:52,060 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 7 [2018-07-23 13:41:52,061 INFO L349 BasicCegarLoop]: Found error trace [2018-07-23 13:41:52,061 INFO L357 BasicCegarLoop]: trace histogram [2, 1, 1, 1, 1] [2018-07-23 13:41:52,061 INFO L414 AbstractCegarLoop]: === Iteration 2 === [ULTIMATE.startErr0AssertViolationASSERT]=== [2018-07-23 13:41:52,062 INFO L82 PathProgramCache]: Analyzing trace with hash 889531649, now seen corresponding path program 1 times [2018-07-23 13:41:52,062 INFO L69 tionRefinementEngine]: Using refinement strategy FixedRefinementStrategy [2018-07-23 13:41:52,071 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-07-23 13:41:52,096 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 13:41:52,097 INFO L309 seRefinementStrategy]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2018-07-23 13:41:52,097 INFO L324 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [3] total 3 [2018-07-23 13:41:52,098 INFO L142 lantAutomatonBuilder]: Constructing canonical interpolant automaton, with selfloop in false state [2018-07-23 13:41:52,098 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-07-23 13:41:52,098 INFO L185 omatonBuilderFactory]: Interpolants [48#(<= 1 ULTIMATE.start_main_~x~5), 49#(<= ULTIMATE.start_main_~y~5 ULTIMATE.start_main_~x~5), 46#true, 47#false] [2018-07-23 13:41:52,098 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 13:41:52,100 INFO L450 AbstractCegarLoop]: Interpolant automaton has 4 states [2018-07-23 13:41:52,101 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2018-07-23 13:41:52,101 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2018-07-23 13:41:52,102 INFO L87 Difference]: Start difference. First operand 7 states and 7 transitions. Second operand 4 states. [2018-07-23 13:41:52,138 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-07-23 13:41:52,138 INFO L93 Difference]: Finished difference Result 11 states and 11 transitions. [2018-07-23 13:41:52,139 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2018-07-23 13:41:52,139 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 6 [2018-07-23 13:41:52,139 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-07-23 13:41:52,140 INFO L225 Difference]: With dead ends: 11 [2018-07-23 13:41:52,140 INFO L226 Difference]: Without dead ends: 9 [2018-07-23 13:41:52,141 INFO L575 BasicCegarLoop]: 0 DeclaredPredicates, 4 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2018-07-23 13:41:52,141 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 9 states. [2018-07-23 13:41:52,144 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 9 to 9. [2018-07-23 13:41:52,144 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 9 states. [2018-07-23 13:41:52,145 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 9 states to 9 states and 9 transitions. [2018-07-23 13:41:52,145 INFO L78 Accepts]: Start accepts. Automaton has 9 states and 9 transitions. Word has length 6 [2018-07-23 13:41:52,145 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-07-23 13:41:52,145 INFO L471 AbstractCegarLoop]: Abstraction has 9 states and 9 transitions. [2018-07-23 13:41:52,146 INFO L472 AbstractCegarLoop]: Interpolant automaton has 4 states. [2018-07-23 13:41:52,146 INFO L276 IsEmpty]: Start isEmpty. Operand 9 states and 9 transitions. [2018-07-23 13:41:52,146 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 9 [2018-07-23 13:41:52,146 INFO L349 BasicCegarLoop]: Found error trace [2018-07-23 13:41:52,147 INFO L357 BasicCegarLoop]: trace histogram [3, 2, 1, 1, 1] [2018-07-23 13:41:52,147 INFO L414 AbstractCegarLoop]: === Iteration 3 === [ULTIMATE.startErr0AssertViolationASSERT]=== [2018-07-23 13:41:52,147 INFO L82 PathProgramCache]: Analyzing trace with hash 141355773, now seen corresponding path program 2 times [2018-07-23 13:41:52,147 INFO L69 tionRefinementEngine]: Using refinement strategy FixedRefinementStrategy [2018-07-23 13:41:52,158 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-07-23 13:41:52,222 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 0 proven. 6 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-07-23 13:41:52,223 INFO L309 seRefinementStrategy]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2018-07-23 13:41:52,223 INFO L324 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [4] total 4 [2018-07-23 13:41:52,223 INFO L142 lantAutomatonBuilder]: Constructing canonical interpolant automaton, with selfloop in false state [2018-07-23 13:41:52,224 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-07-23 13:41:52,224 INFO L185 omatonBuilderFactory]: Interpolants [96#(<= ULTIMATE.start_main_~y~5 ULTIMATE.start_main_~x~5), 92#true, 93#false, 94#(<= 1 (+ ULTIMATE.start_main_~y~5 ULTIMATE.start_main_~x~5)), 95#(<= 1 ULTIMATE.start_main_~x~5)] [2018-07-23 13:41:52,224 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 0 proven. 6 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-07-23 13:41:52,225 INFO L450 AbstractCegarLoop]: Interpolant automaton has 5 states [2018-07-23 13:41:52,225 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2018-07-23 13:41:52,229 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2018-07-23 13:41:52,229 INFO L87 Difference]: Start difference. First operand 9 states and 9 transitions. Second operand 5 states. [2018-07-23 13:41:52,287 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-07-23 13:41:52,288 INFO L93 Difference]: Finished difference Result 13 states and 13 transitions. [2018-07-23 13:41:52,288 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2018-07-23 13:41:52,288 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 8 [2018-07-23 13:41:52,289 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-07-23 13:41:52,289 INFO L225 Difference]: With dead ends: 13 [2018-07-23 13:41:52,289 INFO L226 Difference]: Without dead ends: 11 [2018-07-23 13:41:52,290 INFO L575 BasicCegarLoop]: 0 DeclaredPredicates, 6 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=17, Invalid=25, Unknown=0, NotChecked=0, Total=42 [2018-07-23 13:41:52,290 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 11 states. [2018-07-23 13:41:52,293 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 11 to 11. [2018-07-23 13:41:52,294 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 11 states. [2018-07-23 13:41:52,294 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 11 states to 11 states and 11 transitions. [2018-07-23 13:41:52,295 INFO L78 Accepts]: Start accepts. Automaton has 11 states and 11 transitions. Word has length 8 [2018-07-23 13:41:52,295 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-07-23 13:41:52,295 INFO L471 AbstractCegarLoop]: Abstraction has 11 states and 11 transitions. [2018-07-23 13:41:52,295 INFO L472 AbstractCegarLoop]: Interpolant automaton has 5 states. [2018-07-23 13:41:52,295 INFO L276 IsEmpty]: Start isEmpty. Operand 11 states and 11 transitions. [2018-07-23 13:41:52,296 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 11 [2018-07-23 13:41:52,296 INFO L349 BasicCegarLoop]: Found error trace [2018-07-23 13:41:52,296 INFO L357 BasicCegarLoop]: trace histogram [4, 3, 1, 1, 1] [2018-07-23 13:41:52,296 INFO L414 AbstractCegarLoop]: === Iteration 4 === [ULTIMATE.startErr0AssertViolationASSERT]=== [2018-07-23 13:41:52,297 INFO L82 PathProgramCache]: Analyzing trace with hash -1596122631, now seen corresponding path program 3 times [2018-07-23 13:41:52,297 INFO L69 tionRefinementEngine]: Using refinement strategy FixedRefinementStrategy [2018-07-23 13:41:52,309 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-07-23 13:41:52,357 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 13:41:52,357 INFO L309 seRefinementStrategy]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2018-07-23 13:41:52,357 INFO L324 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [5] total 5 [2018-07-23 13:41:52,357 INFO L142 lantAutomatonBuilder]: Constructing canonical interpolant automaton, with selfloop in false state [2018-07-23 13:41:52,358 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-07-23 13:41:52,358 INFO L185 omatonBuilderFactory]: Interpolants [149#true, 150#false, 151#(<= 1 (+ (* 2 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 152#(<= 2 (+ ULTIMATE.start_main_~y~5 ULTIMATE.start_main_~x~5)), 153#(<= 2 ULTIMATE.start_main_~x~5), 154#(<= (+ ULTIMATE.start_main_~y~5 1) ULTIMATE.start_main_~x~5)] [2018-07-23 13:41:52,358 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 13:41:52,359 INFO L450 AbstractCegarLoop]: Interpolant automaton has 6 states [2018-07-23 13:41:52,359 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2018-07-23 13:41:52,359 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2018-07-23 13:41:52,360 INFO L87 Difference]: Start difference. First operand 11 states and 11 transitions. Second operand 6 states. [2018-07-23 13:41:52,427 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-07-23 13:41:52,429 INFO L93 Difference]: Finished difference Result 15 states and 15 transitions. [2018-07-23 13:41:52,430 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2018-07-23 13:41:52,430 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 10 [2018-07-23 13:41:52,431 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-07-23 13:41:52,431 INFO L225 Difference]: With dead ends: 15 [2018-07-23 13:41:52,431 INFO L226 Difference]: Without dead ends: 13 [2018-07-23 13:41:52,432 INFO L575 BasicCegarLoop]: 0 DeclaredPredicates, 6 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=13, Invalid=29, Unknown=0, NotChecked=0, Total=42 [2018-07-23 13:41:52,434 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 13 states. [2018-07-23 13:41:52,444 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 13 to 13. [2018-07-23 13:41:52,444 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 13 states. [2018-07-23 13:41:52,445 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 13 states to 13 states and 13 transitions. [2018-07-23 13:41:52,445 INFO L78 Accepts]: Start accepts. Automaton has 13 states and 13 transitions. Word has length 10 [2018-07-23 13:41:52,445 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-07-23 13:41:52,445 INFO L471 AbstractCegarLoop]: Abstraction has 13 states and 13 transitions. [2018-07-23 13:41:52,445 INFO L472 AbstractCegarLoop]: Interpolant automaton has 6 states. [2018-07-23 13:41:52,446 INFO L276 IsEmpty]: Start isEmpty. Operand 13 states and 13 transitions. [2018-07-23 13:41:52,446 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2018-07-23 13:41:52,449 INFO L349 BasicCegarLoop]: Found error trace [2018-07-23 13:41:52,450 INFO L357 BasicCegarLoop]: trace histogram [5, 4, 1, 1, 1] [2018-07-23 13:41:52,450 INFO L414 AbstractCegarLoop]: === Iteration 5 === [ULTIMATE.startErr0AssertViolationASSERT]=== [2018-07-23 13:41:52,450 INFO L82 PathProgramCache]: Analyzing trace with hash -570590731, now seen corresponding path program 4 times [2018-07-23 13:41:52,450 INFO L69 tionRefinementEngine]: Using refinement strategy FixedRefinementStrategy [2018-07-23 13:41:52,472 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-07-23 13:41:52,531 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 13:41:52,531 INFO L309 seRefinementStrategy]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2018-07-23 13:41:52,531 INFO L324 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [6] total 6 [2018-07-23 13:41:52,532 INFO L142 lantAutomatonBuilder]: Constructing canonical interpolant automaton, with selfloop in false state [2018-07-23 13:41:52,532 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 13:41:52,532 INFO L185 omatonBuilderFactory]: Interpolants [213#true, 214#false, 215#(<= 1 (+ (* 3 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 216#(<= 3 (+ (* 2 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 217#(<= 4 (+ ULTIMATE.start_main_~y~5 ULTIMATE.start_main_~x~5)), 218#(<= 4 ULTIMATE.start_main_~x~5), 219#(<= (+ ULTIMATE.start_main_~y~5 3) ULTIMATE.start_main_~x~5)] [2018-07-23 13:41:52,532 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 13:41:52,533 INFO L450 AbstractCegarLoop]: Interpolant automaton has 7 states [2018-07-23 13:41:52,533 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2018-07-23 13:41:52,533 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=31, Unknown=0, NotChecked=0, Total=42 [2018-07-23 13:41:52,534 INFO L87 Difference]: Start difference. First operand 13 states and 13 transitions. Second operand 7 states. [2018-07-23 13:41:52,633 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-07-23 13:41:52,633 INFO L93 Difference]: Finished difference Result 17 states and 17 transitions. [2018-07-23 13:41:52,634 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2018-07-23 13:41:52,634 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 12 [2018-07-23 13:41:52,634 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-07-23 13:41:52,635 INFO L225 Difference]: With dead ends: 17 [2018-07-23 13:41:52,635 INFO L226 Difference]: Without dead ends: 15 [2018-07-23 13:41:52,636 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 13:41:52,636 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 15 states. [2018-07-23 13:41:52,641 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 15 to 15. [2018-07-23 13:41:52,641 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 15 states. [2018-07-23 13:41:52,642 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 15 states to 15 states and 15 transitions. [2018-07-23 13:41:52,642 INFO L78 Accepts]: Start accepts. Automaton has 15 states and 15 transitions. Word has length 12 [2018-07-23 13:41:52,642 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-07-23 13:41:52,643 INFO L471 AbstractCegarLoop]: Abstraction has 15 states and 15 transitions. [2018-07-23 13:41:52,643 INFO L472 AbstractCegarLoop]: Interpolant automaton has 7 states. [2018-07-23 13:41:52,643 INFO L276 IsEmpty]: Start isEmpty. Operand 15 states and 15 transitions. [2018-07-23 13:41:52,643 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 15 [2018-07-23 13:41:52,644 INFO L349 BasicCegarLoop]: Found error trace [2018-07-23 13:41:52,644 INFO L357 BasicCegarLoop]: trace histogram [6, 5, 1, 1, 1] [2018-07-23 13:41:52,644 INFO L414 AbstractCegarLoop]: === Iteration 6 === [ULTIMATE.startErr0AssertViolationASSERT]=== [2018-07-23 13:41:52,644 INFO L82 PathProgramCache]: Analyzing trace with hash 1418054385, now seen corresponding path program 5 times [2018-07-23 13:41:52,645 INFO L69 tionRefinementEngine]: Using refinement strategy FixedRefinementStrategy [2018-07-23 13:41:52,655 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-07-23 13:41:52,746 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 13:41:52,750 INFO L309 seRefinementStrategy]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2018-07-23 13:41:52,750 INFO L324 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [7] total 7 [2018-07-23 13:41:52,750 INFO L142 lantAutomatonBuilder]: Constructing canonical interpolant automaton, with selfloop in false state [2018-07-23 13:41:52,751 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-07-23 13:41:52,753 INFO L185 omatonBuilderFactory]: Interpolants [288#(<= 6 (+ (* 2 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 289#(<= 7 (+ ULTIMATE.start_main_~y~5 ULTIMATE.start_main_~x~5)), 290#(<= 7 ULTIMATE.start_main_~x~5), 291#(<= (+ ULTIMATE.start_main_~y~5 6) ULTIMATE.start_main_~x~5), 284#true, 285#false, 286#(<= 1 (+ (* 4 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 287#(<= 4 (+ (* 3 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5))] [2018-07-23 13:41:52,753 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 13:41:52,753 INFO L450 AbstractCegarLoop]: Interpolant automaton has 8 states [2018-07-23 13:41:52,754 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2018-07-23 13:41:52,754 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=13, Invalid=43, Unknown=0, NotChecked=0, Total=56 [2018-07-23 13:41:52,757 INFO L87 Difference]: Start difference. First operand 15 states and 15 transitions. Second operand 8 states. [2018-07-23 13:41:52,886 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-07-23 13:41:52,886 INFO L93 Difference]: Finished difference Result 19 states and 19 transitions. [2018-07-23 13:41:52,887 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2018-07-23 13:41:52,887 INFO L78 Accepts]: Start accepts. Automaton has 8 states. Word has length 14 [2018-07-23 13:41:52,887 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-07-23 13:41:52,888 INFO L225 Difference]: With dead ends: 19 [2018-07-23 13:41:52,888 INFO L226 Difference]: Without dead ends: 17 [2018-07-23 13:41:52,889 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 13:41:52,889 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 17 states. [2018-07-23 13:41:52,902 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 17 to 17. [2018-07-23 13:41:52,902 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 17 states. [2018-07-23 13:41:52,903 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 17 states to 17 states and 17 transitions. [2018-07-23 13:41:52,903 INFO L78 Accepts]: Start accepts. Automaton has 17 states and 17 transitions. Word has length 14 [2018-07-23 13:41:52,904 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-07-23 13:41:52,904 INFO L471 AbstractCegarLoop]: Abstraction has 17 states and 17 transitions. [2018-07-23 13:41:52,904 INFO L472 AbstractCegarLoop]: Interpolant automaton has 8 states. [2018-07-23 13:41:52,904 INFO L276 IsEmpty]: Start isEmpty. Operand 17 states and 17 transitions. [2018-07-23 13:41:52,905 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 17 [2018-07-23 13:41:52,905 INFO L349 BasicCegarLoop]: Found error trace [2018-07-23 13:41:52,905 INFO L357 BasicCegarLoop]: trace histogram [7, 6, 1, 1, 1] [2018-07-23 13:41:52,905 INFO L414 AbstractCegarLoop]: === Iteration 7 === [ULTIMATE.startErr0AssertViolationASSERT]=== [2018-07-23 13:41:52,906 INFO L82 PathProgramCache]: Analyzing trace with hash 1245564141, now seen corresponding path program 6 times [2018-07-23 13:41:52,907 INFO L69 tionRefinementEngine]: Using refinement strategy FixedRefinementStrategy [2018-07-23 13:41:52,927 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-07-23 13:41:52,981 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 13:41:52,981 INFO L309 seRefinementStrategy]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2018-07-23 13:41:52,982 INFO L324 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [8] total 8 [2018-07-23 13:41:52,982 INFO L142 lantAutomatonBuilder]: Constructing canonical interpolant automaton, with selfloop in false state [2018-07-23 13:41:52,982 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-07-23 13:41:52,983 INFO L185 omatonBuilderFactory]: Interpolants [368#(<= 8 (+ (* 3 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 369#(<= 10 (+ (* 2 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 370#(<= 11 (+ ULTIMATE.start_main_~y~5 ULTIMATE.start_main_~x~5)), 371#(<= 11 ULTIMATE.start_main_~x~5), 372#(<= (+ ULTIMATE.start_main_~y~5 10) ULTIMATE.start_main_~x~5), 364#true, 365#false, 366#(<= 1 (+ (* 5 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 367#(<= 5 (+ (* 4 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5))] [2018-07-23 13:41:52,983 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 13:41:52,983 INFO L450 AbstractCegarLoop]: Interpolant automaton has 9 states [2018-07-23 13:41:52,984 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2018-07-23 13:41:52,984 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=57, Unknown=0, NotChecked=0, Total=72 [2018-07-23 13:41:52,984 INFO L87 Difference]: Start difference. First operand 17 states and 17 transitions. Second operand 9 states. [2018-07-23 13:41:53,075 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-07-23 13:41:53,077 INFO L93 Difference]: Finished difference Result 21 states and 21 transitions. [2018-07-23 13:41:53,078 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2018-07-23 13:41:53,078 INFO L78 Accepts]: Start accepts. Automaton has 9 states. Word has length 16 [2018-07-23 13:41:53,079 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-07-23 13:41:53,079 INFO L225 Difference]: With dead ends: 21 [2018-07-23 13:41:53,079 INFO L226 Difference]: Without dead ends: 19 [2018-07-23 13:41:53,080 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 13:41:53,080 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 19 states. [2018-07-23 13:41:53,086 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 19 to 19. [2018-07-23 13:41:53,087 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 19 states. [2018-07-23 13:41:53,088 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 19 states to 19 states and 19 transitions. [2018-07-23 13:41:53,088 INFO L78 Accepts]: Start accepts. Automaton has 19 states and 19 transitions. Word has length 16 [2018-07-23 13:41:53,088 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-07-23 13:41:53,088 INFO L471 AbstractCegarLoop]: Abstraction has 19 states and 19 transitions. [2018-07-23 13:41:53,088 INFO L472 AbstractCegarLoop]: Interpolant automaton has 9 states. [2018-07-23 13:41:53,089 INFO L276 IsEmpty]: Start isEmpty. Operand 19 states and 19 transitions. [2018-07-23 13:41:53,089 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2018-07-23 13:41:53,089 INFO L349 BasicCegarLoop]: Found error trace [2018-07-23 13:41:53,090 INFO L357 BasicCegarLoop]: trace histogram [8, 7, 1, 1, 1] [2018-07-23 13:41:53,090 INFO L414 AbstractCegarLoop]: === Iteration 8 === [ULTIMATE.startErr0AssertViolationASSERT]=== [2018-07-23 13:41:53,090 INFO L82 PathProgramCache]: Analyzing trace with hash -1308803095, now seen corresponding path program 7 times [2018-07-23 13:41:53,090 INFO L69 tionRefinementEngine]: Using refinement strategy FixedRefinementStrategy [2018-07-23 13:41:53,099 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-07-23 13:41:53,148 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 13:41:53,149 INFO L309 seRefinementStrategy]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2018-07-23 13:41:53,149 INFO L324 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [9] total 9 [2018-07-23 13:41:53,149 INFO L142 lantAutomatonBuilder]: Constructing canonical interpolant automaton, with selfloop in false state [2018-07-23 13:41:53,150 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-07-23 13:41:53,150 INFO L185 omatonBuilderFactory]: Interpolants [453#true, 454#false, 455#(<= 1 (+ (* 6 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 456#(<= 6 (+ (* 5 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 457#(<= 10 (+ (* 4 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 458#(<= 13 (+ (* 3 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 459#(<= 15 (+ (* 2 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 460#(<= 16 (+ ULTIMATE.start_main_~y~5 ULTIMATE.start_main_~x~5)), 461#(<= 16 ULTIMATE.start_main_~x~5), 462#(<= (+ ULTIMATE.start_main_~y~5 15) ULTIMATE.start_main_~x~5)] [2018-07-23 13:41:53,150 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 13:41:53,151 INFO L450 AbstractCegarLoop]: Interpolant automaton has 10 states [2018-07-23 13:41:53,151 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2018-07-23 13:41:53,151 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=17, Invalid=73, Unknown=0, NotChecked=0, Total=90 [2018-07-23 13:41:53,152 INFO L87 Difference]: Start difference. First operand 19 states and 19 transitions. Second operand 10 states. [2018-07-23 13:41:53,220 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-07-23 13:41:53,220 INFO L93 Difference]: Finished difference Result 23 states and 23 transitions. [2018-07-23 13:41:53,221 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2018-07-23 13:41:53,221 INFO L78 Accepts]: Start accepts. Automaton has 10 states. Word has length 18 [2018-07-23 13:41:53,222 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-07-23 13:41:53,222 INFO L225 Difference]: With dead ends: 23 [2018-07-23 13:41:53,222 INFO L226 Difference]: Without dead ends: 21 [2018-07-23 13:41:53,223 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 13:41:53,223 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 21 states. [2018-07-23 13:41:53,231 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 21 to 21. [2018-07-23 13:41:53,231 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 21 states. [2018-07-23 13:41:53,232 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 21 states to 21 states and 21 transitions. [2018-07-23 13:41:53,232 INFO L78 Accepts]: Start accepts. Automaton has 21 states and 21 transitions. Word has length 18 [2018-07-23 13:41:53,232 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-07-23 13:41:53,234 INFO L471 AbstractCegarLoop]: Abstraction has 21 states and 21 transitions. [2018-07-23 13:41:53,234 INFO L472 AbstractCegarLoop]: Interpolant automaton has 10 states. [2018-07-23 13:41:53,234 INFO L276 IsEmpty]: Start isEmpty. Operand 21 states and 21 transitions. [2018-07-23 13:41:53,235 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 21 [2018-07-23 13:41:53,235 INFO L349 BasicCegarLoop]: Found error trace [2018-07-23 13:41:53,235 INFO L357 BasicCegarLoop]: trace histogram [9, 8, 1, 1, 1] [2018-07-23 13:41:53,235 INFO L414 AbstractCegarLoop]: === Iteration 9 === [ULTIMATE.startErr0AssertViolationASSERT]=== [2018-07-23 13:41:53,236 INFO L82 PathProgramCache]: Analyzing trace with hash 665576421, now seen corresponding path program 8 times [2018-07-23 13:41:53,236 INFO L69 tionRefinementEngine]: Using refinement strategy FixedRefinementStrategy [2018-07-23 13:41:53,255 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-07-23 13:41:53,323 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 13:41:53,323 INFO L309 seRefinementStrategy]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2018-07-23 13:41:53,323 INFO L324 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [10] total 10 [2018-07-23 13:41:53,324 INFO L142 lantAutomatonBuilder]: Constructing canonical interpolant automaton, with selfloop in false state [2018-07-23 13:41:53,324 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-07-23 13:41:53,325 INFO L185 omatonBuilderFactory]: Interpolants [560#(<= 22 ULTIMATE.start_main_~x~5), 561#(<= (+ ULTIMATE.start_main_~y~5 21) ULTIMATE.start_main_~x~5), 551#true, 552#false, 553#(<= 1 (+ (* 7 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 554#(<= 7 (+ (* 6 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 555#(<= 12 (+ (* 5 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 556#(<= 16 (+ (* 4 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 557#(<= 19 (+ (* 3 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 558#(<= 21 (+ (* 2 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 559#(<= 22 (+ ULTIMATE.start_main_~y~5 ULTIMATE.start_main_~x~5))] [2018-07-23 13:41:53,326 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 13:41:53,326 INFO L450 AbstractCegarLoop]: Interpolant automaton has 11 states [2018-07-23 13:41:53,328 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2018-07-23 13:41:53,328 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=19, Invalid=91, Unknown=0, NotChecked=0, Total=110 [2018-07-23 13:41:53,328 INFO L87 Difference]: Start difference. First operand 21 states and 21 transitions. Second operand 11 states. [2018-07-23 13:41:53,410 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-07-23 13:41:53,410 INFO L93 Difference]: Finished difference Result 25 states and 25 transitions. [2018-07-23 13:41:53,410 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2018-07-23 13:41:53,411 INFO L78 Accepts]: Start accepts. Automaton has 11 states. Word has length 20 [2018-07-23 13:41:53,411 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-07-23 13:41:53,412 INFO L225 Difference]: With dead ends: 25 [2018-07-23 13:41:53,412 INFO L226 Difference]: Without dead ends: 23 [2018-07-23 13:41:53,413 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 13:41:53,414 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 23 states. [2018-07-23 13:41:53,422 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 23 to 23. [2018-07-23 13:41:53,423 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 23 states. [2018-07-23 13:41:53,427 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 23 states to 23 states and 23 transitions. [2018-07-23 13:41:53,427 INFO L78 Accepts]: Start accepts. Automaton has 23 states and 23 transitions. Word has length 20 [2018-07-23 13:41:53,427 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-07-23 13:41:53,427 INFO L471 AbstractCegarLoop]: Abstraction has 23 states and 23 transitions. [2018-07-23 13:41:53,428 INFO L472 AbstractCegarLoop]: Interpolant automaton has 11 states. [2018-07-23 13:41:53,428 INFO L276 IsEmpty]: Start isEmpty. Operand 23 states and 23 transitions. [2018-07-23 13:41:53,430 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 23 [2018-07-23 13:41:53,430 INFO L349 BasicCegarLoop]: Found error trace [2018-07-23 13:41:53,430 INFO L357 BasicCegarLoop]: trace histogram [10, 9, 1, 1, 1] [2018-07-23 13:41:53,431 INFO L414 AbstractCegarLoop]: === Iteration 10 === [ULTIMATE.startErr0AssertViolationASSERT]=== [2018-07-23 13:41:53,431 INFO L82 PathProgramCache]: Analyzing trace with hash -331253535, now seen corresponding path program 9 times [2018-07-23 13:41:53,431 INFO L69 tionRefinementEngine]: Using refinement strategy FixedRefinementStrategy [2018-07-23 13:41:53,440 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-07-23 13:41:53,501 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 13:41:53,501 INFO L309 seRefinementStrategy]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2018-07-23 13:41:53,502 INFO L324 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [11] total 11 [2018-07-23 13:41:53,502 INFO L142 lantAutomatonBuilder]: Constructing canonical interpolant automaton, with selfloop in false state [2018-07-23 13:41:53,503 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-07-23 13:41:53,503 INFO L185 omatonBuilderFactory]: Interpolants [658#true, 659#false, 660#(<= 1 (+ (* 8 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 661#(<= 8 (+ (* 7 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 662#(<= 14 (+ (* 6 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 663#(<= 19 (+ (* 5 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 664#(<= 23 (+ (* 4 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 665#(<= 26 (+ (* 3 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 666#(<= 28 (+ (* 2 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 667#(<= 29 (+ ULTIMATE.start_main_~y~5 ULTIMATE.start_main_~x~5)), 668#(<= 29 ULTIMATE.start_main_~x~5), 669#(<= (+ ULTIMATE.start_main_~y~5 28) ULTIMATE.start_main_~x~5)] [2018-07-23 13:41:53,504 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 13:41:53,504 INFO L450 AbstractCegarLoop]: Interpolant automaton has 12 states [2018-07-23 13:41:53,504 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2018-07-23 13:41:53,505 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=21, Invalid=111, Unknown=0, NotChecked=0, Total=132 [2018-07-23 13:41:53,506 INFO L87 Difference]: Start difference. First operand 23 states and 23 transitions. Second operand 12 states. [2018-07-23 13:41:53,597 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-07-23 13:41:53,597 INFO L93 Difference]: Finished difference Result 27 states and 27 transitions. [2018-07-23 13:41:53,597 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2018-07-23 13:41:53,597 INFO L78 Accepts]: Start accepts. Automaton has 12 states. Word has length 22 [2018-07-23 13:41:53,598 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-07-23 13:41:53,598 INFO L225 Difference]: With dead ends: 27 [2018-07-23 13:41:53,598 INFO L226 Difference]: Without dead ends: 25 [2018-07-23 13:41:53,599 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 13:41:53,599 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 25 states. [2018-07-23 13:41:53,606 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 25 to 25. [2018-07-23 13:41:53,607 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 25 states. [2018-07-23 13:41:53,608 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 25 states to 25 states and 25 transitions. [2018-07-23 13:41:53,608 INFO L78 Accepts]: Start accepts. Automaton has 25 states and 25 transitions. Word has length 22 [2018-07-23 13:41:53,609 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-07-23 13:41:53,609 INFO L471 AbstractCegarLoop]: Abstraction has 25 states and 25 transitions. [2018-07-23 13:41:53,609 INFO L472 AbstractCegarLoop]: Interpolant automaton has 12 states. [2018-07-23 13:41:53,609 INFO L276 IsEmpty]: Start isEmpty. Operand 25 states and 25 transitions. [2018-07-23 13:41:53,610 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 25 [2018-07-23 13:41:53,610 INFO L349 BasicCegarLoop]: Found error trace [2018-07-23 13:41:53,610 INFO L357 BasicCegarLoop]: trace histogram [11, 10, 1, 1, 1] [2018-07-23 13:41:53,610 INFO L414 AbstractCegarLoop]: === Iteration 11 === [ULTIMATE.startErr0AssertViolationASSERT]=== [2018-07-23 13:41:53,611 INFO L82 PathProgramCache]: Analyzing trace with hash -507134243, now seen corresponding path program 10 times [2018-07-23 13:41:53,611 INFO L69 tionRefinementEngine]: Using refinement strategy FixedRefinementStrategy [2018-07-23 13:41:53,625 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-07-23 13:41:53,689 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 13:41:53,690 INFO L309 seRefinementStrategy]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2018-07-23 13:41:53,690 INFO L324 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [12] total 12 [2018-07-23 13:41:53,691 INFO L142 lantAutomatonBuilder]: Constructing canonical interpolant automaton, with selfloop in false state [2018-07-23 13:41:53,691 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 13:41:53,691 INFO L185 omatonBuilderFactory]: Interpolants [774#true, 775#false, 776#(<= 1 (+ (* 9 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 777#(<= 9 (+ (* 8 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 778#(<= 16 (+ (* 7 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 779#(<= 22 (+ (* 6 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 780#(<= 27 (+ (* 5 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 781#(<= 31 (+ (* 4 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 782#(<= 34 (+ (* 3 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 783#(<= 36 (+ (* 2 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 784#(<= 37 (+ ULTIMATE.start_main_~y~5 ULTIMATE.start_main_~x~5)), 785#(<= 37 ULTIMATE.start_main_~x~5), 786#(<= (+ ULTIMATE.start_main_~y~5 36) ULTIMATE.start_main_~x~5)] [2018-07-23 13:41:53,692 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 13:41:53,692 INFO L450 AbstractCegarLoop]: Interpolant automaton has 13 states [2018-07-23 13:41:53,694 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 13 interpolants. [2018-07-23 13:41:53,694 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=23, Invalid=133, Unknown=0, NotChecked=0, Total=156 [2018-07-23 13:41:53,695 INFO L87 Difference]: Start difference. First operand 25 states and 25 transitions. Second operand 13 states. [2018-07-23 13:41:53,776 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-07-23 13:41:53,777 INFO L93 Difference]: Finished difference Result 29 states and 29 transitions. [2018-07-23 13:41:53,777 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2018-07-23 13:41:53,777 INFO L78 Accepts]: Start accepts. Automaton has 13 states. Word has length 24 [2018-07-23 13:41:53,778 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-07-23 13:41:53,778 INFO L225 Difference]: With dead ends: 29 [2018-07-23 13:41:53,778 INFO L226 Difference]: Without dead ends: 27 [2018-07-23 13:41:53,779 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 13:41:53,779 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 27 states. [2018-07-23 13:41:53,788 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 27 to 27. [2018-07-23 13:41:53,789 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 27 states. [2018-07-23 13:41:53,789 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 27 states to 27 states and 27 transitions. [2018-07-23 13:41:53,790 INFO L78 Accepts]: Start accepts. Automaton has 27 states and 27 transitions. Word has length 24 [2018-07-23 13:41:53,790 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-07-23 13:41:53,790 INFO L471 AbstractCegarLoop]: Abstraction has 27 states and 27 transitions. [2018-07-23 13:41:53,792 INFO L472 AbstractCegarLoop]: Interpolant automaton has 13 states. [2018-07-23 13:41:53,792 INFO L276 IsEmpty]: Start isEmpty. Operand 27 states and 27 transitions. [2018-07-23 13:41:53,793 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 27 [2018-07-23 13:41:53,793 INFO L349 BasicCegarLoop]: Found error trace [2018-07-23 13:41:53,793 INFO L357 BasicCegarLoop]: trace histogram [12, 11, 1, 1, 1] [2018-07-23 13:41:53,793 INFO L414 AbstractCegarLoop]: === Iteration 12 === [ULTIMATE.startErr0AssertViolationASSERT]=== [2018-07-23 13:41:53,794 INFO L82 PathProgramCache]: Analyzing trace with hash -2024770087, now seen corresponding path program 11 times [2018-07-23 13:41:53,794 INFO L69 tionRefinementEngine]: Using refinement strategy FixedRefinementStrategy [2018-07-23 13:41:53,806 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-07-23 13:41:53,873 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 13:41:53,873 INFO L309 seRefinementStrategy]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2018-07-23 13:41:53,873 INFO L324 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [13] total 13 [2018-07-23 13:41:53,874 INFO L142 lantAutomatonBuilder]: Constructing canonical interpolant automaton, with selfloop in false state [2018-07-23 13:41:53,874 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-07-23 13:41:53,874 INFO L185 omatonBuilderFactory]: Interpolants [899#true, 900#false, 901#(<= 1 (+ (* 10 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 902#(<= 10 (+ (* 9 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 903#(<= 18 (+ (* 8 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 904#(<= 25 (+ (* 7 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 905#(<= 31 (+ (* 6 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 906#(<= 36 (+ (* 5 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 907#(<= 40 (+ (* 4 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 908#(<= 43 (+ (* 3 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 909#(<= 45 (+ (* 2 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 910#(<= 46 (+ ULTIMATE.start_main_~y~5 ULTIMATE.start_main_~x~5)), 911#(<= 46 ULTIMATE.start_main_~x~5), 912#(<= (+ ULTIMATE.start_main_~y~5 45) ULTIMATE.start_main_~x~5)] [2018-07-23 13:41:53,875 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 13:41:53,875 INFO L450 AbstractCegarLoop]: Interpolant automaton has 14 states [2018-07-23 13:41:53,876 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 14 interpolants. [2018-07-23 13:41:53,876 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=25, Invalid=157, Unknown=0, NotChecked=0, Total=182 [2018-07-23 13:41:53,877 INFO L87 Difference]: Start difference. First operand 27 states and 27 transitions. Second operand 14 states. [2018-07-23 13:41:53,990 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-07-23 13:41:53,990 INFO L93 Difference]: Finished difference Result 31 states and 31 transitions. [2018-07-23 13:41:53,991 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2018-07-23 13:41:53,991 INFO L78 Accepts]: Start accepts. Automaton has 14 states. Word has length 26 [2018-07-23 13:41:53,991 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-07-23 13:41:53,993 INFO L225 Difference]: With dead ends: 31 [2018-07-23 13:41:53,993 INFO L226 Difference]: Without dead ends: 29 [2018-07-23 13:41:53,995 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 13:41:53,995 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 29 states. [2018-07-23 13:41:54,006 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 29 to 29. [2018-07-23 13:41:54,007 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 29 states. [2018-07-23 13:41:54,008 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 29 states to 29 states and 29 transitions. [2018-07-23 13:41:54,008 INFO L78 Accepts]: Start accepts. Automaton has 29 states and 29 transitions. Word has length 26 [2018-07-23 13:41:54,008 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-07-23 13:41:54,009 INFO L471 AbstractCegarLoop]: Abstraction has 29 states and 29 transitions. [2018-07-23 13:41:54,009 INFO L472 AbstractCegarLoop]: Interpolant automaton has 14 states. [2018-07-23 13:41:54,009 INFO L276 IsEmpty]: Start isEmpty. Operand 29 states and 29 transitions. [2018-07-23 13:41:54,010 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 29 [2018-07-23 13:41:54,010 INFO L349 BasicCegarLoop]: Found error trace [2018-07-23 13:41:54,010 INFO L357 BasicCegarLoop]: trace histogram [13, 12, 1, 1, 1] [2018-07-23 13:41:54,010 INFO L414 AbstractCegarLoop]: === Iteration 13 === [ULTIMATE.startErr0AssertViolationASSERT]=== [2018-07-23 13:41:54,011 INFO L82 PathProgramCache]: Analyzing trace with hash -183935531, now seen corresponding path program 12 times [2018-07-23 13:41:54,011 INFO L69 tionRefinementEngine]: Using refinement strategy FixedRefinementStrategy [2018-07-23 13:41:54,036 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-07-23 13:41:54,119 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 13:41:54,120 INFO L309 seRefinementStrategy]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2018-07-23 13:41:54,120 INFO L324 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [14] total 14 [2018-07-23 13:41:54,121 INFO L142 lantAutomatonBuilder]: Constructing canonical interpolant automaton, with selfloop in false state [2018-07-23 13:41:54,121 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-07-23 13:41:54,122 INFO L185 omatonBuilderFactory]: Interpolants [1033#true, 1034#false, 1035#(<= 1 (+ (* 11 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 1036#(<= 11 (+ (* 10 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 1037#(<= 20 (+ (* 9 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 1038#(<= 28 (+ (* 8 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 1039#(<= 35 (+ (* 7 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 1040#(<= 41 (+ (* 6 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 1041#(<= 46 (+ (* 5 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 1042#(<= 50 (+ (* 4 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 1043#(<= 53 (+ (* 3 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 1044#(<= 55 (+ (* 2 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 1045#(<= 56 (+ ULTIMATE.start_main_~y~5 ULTIMATE.start_main_~x~5)), 1046#(<= 56 ULTIMATE.start_main_~x~5), 1047#(<= (+ ULTIMATE.start_main_~y~5 55) ULTIMATE.start_main_~x~5)] [2018-07-23 13:41:54,122 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 13:41:54,122 INFO L450 AbstractCegarLoop]: Interpolant automaton has 15 states [2018-07-23 13:41:54,123 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 15 interpolants. [2018-07-23 13:41:54,123 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=27, Invalid=183, Unknown=0, NotChecked=0, Total=210 [2018-07-23 13:41:54,123 INFO L87 Difference]: Start difference. First operand 29 states and 29 transitions. Second operand 15 states. [2018-07-23 13:41:54,271 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-07-23 13:41:54,271 INFO L93 Difference]: Finished difference Result 33 states and 33 transitions. [2018-07-23 13:41:54,272 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2018-07-23 13:41:54,272 INFO L78 Accepts]: Start accepts. Automaton has 15 states. Word has length 28 [2018-07-23 13:41:54,272 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-07-23 13:41:54,275 INFO L225 Difference]: With dead ends: 33 [2018-07-23 13:41:54,275 INFO L226 Difference]: Without dead ends: 31 [2018-07-23 13:41:54,276 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 13:41:54,276 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 31 states. [2018-07-23 13:41:54,285 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 31 to 31. [2018-07-23 13:41:54,285 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 31 states. [2018-07-23 13:41:54,286 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 31 states to 31 states and 31 transitions. [2018-07-23 13:41:54,286 INFO L78 Accepts]: Start accepts. Automaton has 31 states and 31 transitions. Word has length 28 [2018-07-23 13:41:54,286 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-07-23 13:41:54,286 INFO L471 AbstractCegarLoop]: Abstraction has 31 states and 31 transitions. [2018-07-23 13:41:54,287 INFO L472 AbstractCegarLoop]: Interpolant automaton has 15 states. [2018-07-23 13:41:54,287 INFO L276 IsEmpty]: Start isEmpty. Operand 31 states and 31 transitions. [2018-07-23 13:41:54,287 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 31 [2018-07-23 13:41:54,288 INFO L349 BasicCegarLoop]: Found error trace [2018-07-23 13:41:54,288 INFO L357 BasicCegarLoop]: trace histogram [14, 13, 1, 1, 1] [2018-07-23 13:41:54,288 INFO L414 AbstractCegarLoop]: === Iteration 14 === [ULTIMATE.startErr0AssertViolationASSERT]=== [2018-07-23 13:41:54,288 INFO L82 PathProgramCache]: Analyzing trace with hash -668453167, now seen corresponding path program 13 times [2018-07-23 13:41:54,289 INFO L69 tionRefinementEngine]: Using refinement strategy FixedRefinementStrategy [2018-07-23 13:41:54,301 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-07-23 13:41:54,387 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 13:41:54,388 INFO L309 seRefinementStrategy]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2018-07-23 13:41:54,388 INFO L324 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [15] total 15 [2018-07-23 13:41:54,388 INFO L142 lantAutomatonBuilder]: Constructing canonical interpolant automaton, with selfloop in false state [2018-07-23 13:41:54,389 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-07-23 13:41:54,390 INFO L185 omatonBuilderFactory]: Interpolants [1184#(<= 52 (+ (* 6 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 1185#(<= 57 (+ (* 5 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 1186#(<= 61 (+ (* 4 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 1187#(<= 64 (+ (* 3 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 1188#(<= 66 (+ (* 2 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 1189#(<= 67 (+ ULTIMATE.start_main_~y~5 ULTIMATE.start_main_~x~5)), 1190#(<= 67 ULTIMATE.start_main_~x~5), 1191#(<= (+ ULTIMATE.start_main_~y~5 66) ULTIMATE.start_main_~x~5), 1176#true, 1177#false, 1178#(<= 1 (+ (* 12 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 1179#(<= 12 (+ (* 11 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 1180#(<= 22 (+ (* 10 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 1181#(<= 31 (+ (* 9 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 1182#(<= 39 (+ (* 8 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 1183#(<= 46 (+ (* 7 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5))] [2018-07-23 13:41:54,390 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 13:41:54,390 INFO L450 AbstractCegarLoop]: Interpolant automaton has 16 states [2018-07-23 13:41:54,391 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 16 interpolants. [2018-07-23 13:41:54,391 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=29, Invalid=211, Unknown=0, NotChecked=0, Total=240 [2018-07-23 13:41:54,392 INFO L87 Difference]: Start difference. First operand 31 states and 31 transitions. Second operand 16 states. [2018-07-23 13:41:54,527 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-07-23 13:41:54,528 INFO L93 Difference]: Finished difference Result 35 states and 35 transitions. [2018-07-23 13:41:54,528 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2018-07-23 13:41:54,528 INFO L78 Accepts]: Start accepts. Automaton has 16 states. Word has length 30 [2018-07-23 13:41:54,529 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-07-23 13:41:54,529 INFO L225 Difference]: With dead ends: 35 [2018-07-23 13:41:54,529 INFO L226 Difference]: Without dead ends: 33 [2018-07-23 13:41:54,532 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 13:41:54,532 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 33 states. [2018-07-23 13:41:54,543 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 33 to 33. [2018-07-23 13:41:54,544 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 33 states. [2018-07-23 13:41:54,544 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 33 states to 33 states and 33 transitions. [2018-07-23 13:41:54,545 INFO L78 Accepts]: Start accepts. Automaton has 33 states and 33 transitions. Word has length 30 [2018-07-23 13:41:54,545 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-07-23 13:41:54,545 INFO L471 AbstractCegarLoop]: Abstraction has 33 states and 33 transitions. [2018-07-23 13:41:54,545 INFO L472 AbstractCegarLoop]: Interpolant automaton has 16 states. [2018-07-23 13:41:54,546 INFO L276 IsEmpty]: Start isEmpty. Operand 33 states and 33 transitions. [2018-07-23 13:41:54,546 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 33 [2018-07-23 13:41:54,546 INFO L349 BasicCegarLoop]: Found error trace [2018-07-23 13:41:54,547 INFO L357 BasicCegarLoop]: trace histogram [15, 14, 1, 1, 1] [2018-07-23 13:41:54,547 INFO L414 AbstractCegarLoop]: === Iteration 15 === [ULTIMATE.startErr0AssertViolationASSERT]=== [2018-07-23 13:41:54,547 INFO L82 PathProgramCache]: Analyzing trace with hash 1861533901, now seen corresponding path program 14 times [2018-07-23 13:41:54,549 INFO L69 tionRefinementEngine]: Using refinement strategy FixedRefinementStrategy [2018-07-23 13:41:54,564 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-07-23 13:41:54,666 INFO L134 CoverageAnalysis]: Checked inductivity of 210 backedges. 0 proven. 210 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-07-23 13:41:54,667 INFO L309 seRefinementStrategy]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2018-07-23 13:41:54,667 INFO L324 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [16] total 16 [2018-07-23 13:41:54,667 INFO L142 lantAutomatonBuilder]: Constructing canonical interpolant automaton, with selfloop in false state [2018-07-23 13:41:54,668 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-07-23 13:41:54,668 INFO L185 omatonBuilderFactory]: Interpolants [1344#(<= (+ ULTIMATE.start_main_~y~5 78) ULTIMATE.start_main_~x~5), 1328#true, 1329#false, 1330#(<= 1 (+ (* 13 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 1331#(<= 13 (+ (* 12 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 1332#(<= 24 (+ (* 11 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 1333#(<= 34 (+ (* 10 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 1334#(<= 43 (+ (* 9 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 1335#(<= 51 (+ (* 8 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 1336#(<= 58 (+ (* 7 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 1337#(<= 64 (+ (* 6 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 1338#(<= 69 (+ (* 5 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 1339#(<= 73 (+ (* 4 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 1340#(<= 76 (+ (* 3 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 1341#(<= 78 (+ (* 2 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 1342#(<= 79 (+ ULTIMATE.start_main_~y~5 ULTIMATE.start_main_~x~5)), 1343#(<= 79 ULTIMATE.start_main_~x~5)] [2018-07-23 13:41:54,669 INFO L134 CoverageAnalysis]: Checked inductivity of 210 backedges. 0 proven. 210 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-07-23 13:41:54,669 INFO L450 AbstractCegarLoop]: Interpolant automaton has 17 states [2018-07-23 13:41:54,669 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 17 interpolants. [2018-07-23 13:41:54,670 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=31, Invalid=241, Unknown=0, NotChecked=0, Total=272 [2018-07-23 13:41:54,670 INFO L87 Difference]: Start difference. First operand 33 states and 33 transitions. Second operand 17 states. [2018-07-23 13:41:54,818 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-07-23 13:41:54,819 INFO L93 Difference]: Finished difference Result 37 states and 37 transitions. [2018-07-23 13:41:54,819 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2018-07-23 13:41:54,819 INFO L78 Accepts]: Start accepts. Automaton has 17 states. Word has length 32 [2018-07-23 13:41:54,820 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-07-23 13:41:54,820 INFO L225 Difference]: With dead ends: 37 [2018-07-23 13:41:54,820 INFO L226 Difference]: Without dead ends: 35 [2018-07-23 13:41:54,821 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 13:41:54,823 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 35 states. [2018-07-23 13:41:54,837 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 35 to 35. [2018-07-23 13:41:54,842 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 35 states. [2018-07-23 13:41:54,843 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 35 states to 35 states and 35 transitions. [2018-07-23 13:41:54,844 INFO L78 Accepts]: Start accepts. Automaton has 35 states and 35 transitions. Word has length 32 [2018-07-23 13:41:54,844 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-07-23 13:41:54,844 INFO L471 AbstractCegarLoop]: Abstraction has 35 states and 35 transitions. [2018-07-23 13:41:54,844 INFO L472 AbstractCegarLoop]: Interpolant automaton has 17 states. [2018-07-23 13:41:54,844 INFO L276 IsEmpty]: Start isEmpty. Operand 35 states and 35 transitions. [2018-07-23 13:41:54,848 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 35 [2018-07-23 13:41:54,848 INFO L349 BasicCegarLoop]: Found error trace [2018-07-23 13:41:54,848 INFO L357 BasicCegarLoop]: trace histogram [16, 15, 1, 1, 1] [2018-07-23 13:41:54,849 INFO L414 AbstractCegarLoop]: === Iteration 16 === [ULTIMATE.startErr0AssertViolationASSERT]=== [2018-07-23 13:41:54,849 INFO L82 PathProgramCache]: Analyzing trace with hash -2067350583, now seen corresponding path program 15 times [2018-07-23 13:41:54,849 INFO L69 tionRefinementEngine]: Using refinement strategy FixedRefinementStrategy [2018-07-23 13:41:54,862 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-07-23 13:41:54,986 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 13:41:54,987 INFO L309 seRefinementStrategy]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2018-07-23 13:41:54,987 INFO L324 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [17] total 17 [2018-07-23 13:41:54,987 INFO L142 lantAutomatonBuilder]: Constructing canonical interpolant automaton, with selfloop in false state [2018-07-23 13:41:54,988 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-07-23 13:41:54,988 INFO L185 omatonBuilderFactory]: Interpolants [1504#(<= 92 (+ ULTIMATE.start_main_~y~5 ULTIMATE.start_main_~x~5)), 1505#(<= 92 ULTIMATE.start_main_~x~5), 1506#(<= (+ ULTIMATE.start_main_~y~5 91) ULTIMATE.start_main_~x~5), 1489#true, 1490#false, 1491#(<= 1 (+ (* 14 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 1492#(<= 14 (+ (* 13 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 1493#(<= 26 (+ (* 12 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 1494#(<= 37 (+ (* 11 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 1495#(<= 47 (+ (* 10 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 1496#(<= 56 (+ (* 9 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 1497#(<= 64 (+ (* 8 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 1498#(<= 71 (+ (* 7 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 1499#(<= 77 (+ (* 6 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 1500#(<= 82 (+ (* 5 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 1501#(<= 86 (+ (* 4 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 1502#(<= 89 (+ (* 3 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 1503#(<= 91 (+ (* 2 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5))] [2018-07-23 13:41:54,989 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 13:41:54,989 INFO L450 AbstractCegarLoop]: Interpolant automaton has 18 states [2018-07-23 13:41:54,989 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 18 interpolants. [2018-07-23 13:41:54,990 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=33, Invalid=273, Unknown=0, NotChecked=0, Total=306 [2018-07-23 13:41:54,990 INFO L87 Difference]: Start difference. First operand 35 states and 35 transitions. Second operand 18 states. [2018-07-23 13:41:55,147 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-07-23 13:41:55,148 INFO L93 Difference]: Finished difference Result 39 states and 39 transitions. [2018-07-23 13:41:55,148 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. [2018-07-23 13:41:55,151 INFO L78 Accepts]: Start accepts. Automaton has 18 states. Word has length 34 [2018-07-23 13:41:55,152 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-07-23 13:41:55,152 INFO L225 Difference]: With dead ends: 39 [2018-07-23 13:41:55,152 INFO L226 Difference]: Without dead ends: 37 [2018-07-23 13:41:55,153 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 13:41:55,153 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 37 states. [2018-07-23 13:41:55,172 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 37 to 37. [2018-07-23 13:41:55,172 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 37 states. [2018-07-23 13:41:55,173 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 37 states to 37 states and 37 transitions. [2018-07-23 13:41:55,173 INFO L78 Accepts]: Start accepts. Automaton has 37 states and 37 transitions. Word has length 34 [2018-07-23 13:41:55,174 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-07-23 13:41:55,174 INFO L471 AbstractCegarLoop]: Abstraction has 37 states and 37 transitions. [2018-07-23 13:41:55,174 INFO L472 AbstractCegarLoop]: Interpolant automaton has 18 states. [2018-07-23 13:41:55,174 INFO L276 IsEmpty]: Start isEmpty. Operand 37 states and 37 transitions. [2018-07-23 13:41:55,175 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 37 [2018-07-23 13:41:55,175 INFO L349 BasicCegarLoop]: Found error trace [2018-07-23 13:41:55,175 INFO L357 BasicCegarLoop]: trace histogram [17, 16, 1, 1, 1] [2018-07-23 13:41:55,175 INFO L414 AbstractCegarLoop]: === Iteration 17 === [ULTIMATE.startErr0AssertViolationASSERT]=== [2018-07-23 13:41:55,175 INFO L82 PathProgramCache]: Analyzing trace with hash 1845880773, now seen corresponding path program 16 times [2018-07-23 13:41:55,176 INFO L69 tionRefinementEngine]: Using refinement strategy FixedRefinementStrategy [2018-07-23 13:41:55,190 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-07-23 13:41:55,305 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 13:41:55,305 INFO L309 seRefinementStrategy]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2018-07-23 13:41:55,306 INFO L324 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [18] total 18 [2018-07-23 13:41:55,306 INFO L142 lantAutomatonBuilder]: Constructing canonical interpolant automaton, with selfloop in false state [2018-07-23 13:41:55,306 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-07-23 13:41:55,307 INFO L185 omatonBuilderFactory]: Interpolants [1664#(<= 40 (+ (* 12 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 1665#(<= 51 (+ (* 11 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 1666#(<= 61 (+ (* 10 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 1667#(<= 70 (+ (* 9 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 1668#(<= 78 (+ (* 8 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 1669#(<= 85 (+ (* 7 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 1670#(<= 91 (+ (* 6 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 1671#(<= 96 (+ (* 5 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 1672#(<= 100 (+ (* 4 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 1673#(<= 103 (+ (* 3 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 1674#(<= 105 (+ (* 2 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 1675#(<= 106 (+ ULTIMATE.start_main_~y~5 ULTIMATE.start_main_~x~5)), 1676#(<= 106 ULTIMATE.start_main_~x~5), 1677#(<= (+ ULTIMATE.start_main_~y~5 105) ULTIMATE.start_main_~x~5), 1659#true, 1660#false, 1661#(<= 1 (+ (* 15 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 1662#(<= 15 (+ (* 14 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 1663#(<= 28 (+ (* 13 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5))] [2018-07-23 13:41:55,307 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 13:41:55,308 INFO L450 AbstractCegarLoop]: Interpolant automaton has 19 states [2018-07-23 13:41:55,308 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 19 interpolants. [2018-07-23 13:41:55,308 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=35, Invalid=307, Unknown=0, NotChecked=0, Total=342 [2018-07-23 13:41:55,309 INFO L87 Difference]: Start difference. First operand 37 states and 37 transitions. Second operand 19 states. [2018-07-23 13:41:55,493 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-07-23 13:41:55,494 INFO L93 Difference]: Finished difference Result 41 states and 41 transitions. [2018-07-23 13:41:55,494 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 19 states. [2018-07-23 13:41:55,494 INFO L78 Accepts]: Start accepts. Automaton has 19 states. Word has length 36 [2018-07-23 13:41:55,495 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-07-23 13:41:55,495 INFO L225 Difference]: With dead ends: 41 [2018-07-23 13:41:55,495 INFO L226 Difference]: Without dead ends: 39 [2018-07-23 13:41:55,498 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 13:41:55,498 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 39 states. [2018-07-23 13:41:55,517 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 39 to 39. [2018-07-23 13:41:55,517 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 39 states. [2018-07-23 13:41:55,518 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 39 states to 39 states and 39 transitions. [2018-07-23 13:41:55,518 INFO L78 Accepts]: Start accepts. Automaton has 39 states and 39 transitions. Word has length 36 [2018-07-23 13:41:55,518 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-07-23 13:41:55,519 INFO L471 AbstractCegarLoop]: Abstraction has 39 states and 39 transitions. [2018-07-23 13:41:55,519 INFO L472 AbstractCegarLoop]: Interpolant automaton has 19 states. [2018-07-23 13:41:55,519 INFO L276 IsEmpty]: Start isEmpty. Operand 39 states and 39 transitions. [2018-07-23 13:41:55,519 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 39 [2018-07-23 13:41:55,520 INFO L349 BasicCegarLoop]: Found error trace [2018-07-23 13:41:55,520 INFO L357 BasicCegarLoop]: trace histogram [18, 17, 1, 1, 1] [2018-07-23 13:41:55,520 INFO L414 AbstractCegarLoop]: === Iteration 18 === [ULTIMATE.startErr0AssertViolationASSERT]=== [2018-07-23 13:41:55,522 INFO L82 PathProgramCache]: Analyzing trace with hash 69862593, now seen corresponding path program 17 times [2018-07-23 13:41:55,523 INFO L69 tionRefinementEngine]: Using refinement strategy FixedRefinementStrategy [2018-07-23 13:41:55,542 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-07-23 13:41:55,681 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 13:41:55,681 INFO L309 seRefinementStrategy]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2018-07-23 13:41:55,681 INFO L324 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [19] total 19 [2018-07-23 13:41:55,682 INFO L142 lantAutomatonBuilder]: Constructing canonical interpolant automaton, with selfloop in false state [2018-07-23 13:41:55,682 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-07-23 13:41:55,683 INFO L185 omatonBuilderFactory]: Interpolants [1856#(<= 121 ULTIMATE.start_main_~x~5), 1857#(<= (+ ULTIMATE.start_main_~y~5 120) ULTIMATE.start_main_~x~5), 1838#true, 1839#false, 1840#(<= 1 (+ (* 16 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 1841#(<= 16 (+ (* 15 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 1842#(<= 30 (+ (* 14 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 1843#(<= 43 (+ (* 13 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 1844#(<= 55 (+ (* 12 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 1845#(<= 66 (+ (* 11 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 1846#(<= 76 (+ (* 10 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 1847#(<= 85 (+ (* 9 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 1848#(<= 93 (+ (* 8 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 1849#(<= 100 (+ (* 7 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 1850#(<= 106 (+ (* 6 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 1851#(<= 111 (+ (* 5 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 1852#(<= 115 (+ (* 4 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 1853#(<= 118 (+ (* 3 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 1854#(<= 120 (+ (* 2 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 1855#(<= 121 (+ ULTIMATE.start_main_~y~5 ULTIMATE.start_main_~x~5))] [2018-07-23 13:41:55,684 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 13:41:55,684 INFO L450 AbstractCegarLoop]: Interpolant automaton has 20 states [2018-07-23 13:41:55,685 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 20 interpolants. [2018-07-23 13:41:55,685 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=37, Invalid=343, Unknown=0, NotChecked=0, Total=380 [2018-07-23 13:41:55,685 INFO L87 Difference]: Start difference. First operand 39 states and 39 transitions. Second operand 20 states. [2018-07-23 13:41:55,878 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-07-23 13:41:55,879 INFO L93 Difference]: Finished difference Result 43 states and 43 transitions. [2018-07-23 13:41:55,879 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 20 states. [2018-07-23 13:41:55,879 INFO L78 Accepts]: Start accepts. Automaton has 20 states. Word has length 38 [2018-07-23 13:41:55,879 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-07-23 13:41:55,880 INFO L225 Difference]: With dead ends: 43 [2018-07-23 13:41:55,880 INFO L226 Difference]: Without dead ends: 41 [2018-07-23 13:41:55,881 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 13:41:55,881 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 41 states. [2018-07-23 13:41:55,892 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 41 to 41. [2018-07-23 13:41:55,892 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 41 states. [2018-07-23 13:41:55,893 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 41 states to 41 states and 41 transitions. [2018-07-23 13:41:55,893 INFO L78 Accepts]: Start accepts. Automaton has 41 states and 41 transitions. Word has length 38 [2018-07-23 13:41:55,893 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-07-23 13:41:55,893 INFO L471 AbstractCegarLoop]: Abstraction has 41 states and 41 transitions. [2018-07-23 13:41:55,893 INFO L472 AbstractCegarLoop]: Interpolant automaton has 20 states. [2018-07-23 13:41:55,894 INFO L276 IsEmpty]: Start isEmpty. Operand 41 states and 41 transitions. [2018-07-23 13:41:55,894 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 41 [2018-07-23 13:41:55,894 INFO L349 BasicCegarLoop]: Found error trace [2018-07-23 13:41:55,894 INFO L357 BasicCegarLoop]: trace histogram [19, 18, 1, 1, 1] [2018-07-23 13:41:55,895 INFO L414 AbstractCegarLoop]: === Iteration 19 === [ULTIMATE.startErr0AssertViolationASSERT]=== [2018-07-23 13:41:55,895 INFO L82 PathProgramCache]: Analyzing trace with hash -1581591875, now seen corresponding path program 18 times [2018-07-23 13:41:55,895 INFO L69 tionRefinementEngine]: Using refinement strategy FixedRefinementStrategy [2018-07-23 13:41:55,916 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-07-23 13:41:56,120 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 13:41:56,121 INFO L309 seRefinementStrategy]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2018-07-23 13:41:56,121 INFO L324 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [20] total 20 [2018-07-23 13:41:56,122 INFO L142 lantAutomatonBuilder]: Constructing canonical interpolant automaton, with selfloop in false state [2018-07-23 13:41:56,122 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 13:41:56,123 INFO L185 omatonBuilderFactory]: Interpolants [2026#true, 2027#false, 2028#(<= 1 (+ (* 17 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 2029#(<= 17 (+ (* 16 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 2030#(<= 32 (+ (* 15 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 2031#(<= 46 (+ (* 14 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 2032#(<= 59 (+ (* 13 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 2033#(<= 71 (+ (* 12 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 2034#(<= 82 (+ (* 11 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 2035#(<= 92 (+ (* 10 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 2036#(<= 101 (+ (* 9 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 2037#(<= 109 (+ (* 8 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 2038#(<= 116 (+ (* 7 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 2039#(<= 122 (+ (* 6 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 2040#(<= 127 (+ (* 5 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 2041#(<= 131 (+ (* 4 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 2042#(<= 134 (+ (* 3 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 2043#(<= 136 (+ (* 2 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 2044#(<= 137 (+ ULTIMATE.start_main_~y~5 ULTIMATE.start_main_~x~5)), 2045#(<= 137 ULTIMATE.start_main_~x~5), 2046#(<= (+ ULTIMATE.start_main_~y~5 136) ULTIMATE.start_main_~x~5)] [2018-07-23 13:41:56,123 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 13:41:56,124 INFO L450 AbstractCegarLoop]: Interpolant automaton has 21 states [2018-07-23 13:41:56,124 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 21 interpolants. [2018-07-23 13:41:56,124 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=39, Invalid=381, Unknown=0, NotChecked=0, Total=420 [2018-07-23 13:41:56,124 INFO L87 Difference]: Start difference. First operand 41 states and 41 transitions. Second operand 21 states. [2018-07-23 13:41:56,336 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-07-23 13:41:56,337 INFO L93 Difference]: Finished difference Result 45 states and 45 transitions. [2018-07-23 13:41:56,337 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2018-07-23 13:41:56,337 INFO L78 Accepts]: Start accepts. Automaton has 21 states. Word has length 40 [2018-07-23 13:41:56,337 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-07-23 13:41:56,338 INFO L225 Difference]: With dead ends: 45 [2018-07-23 13:41:56,338 INFO L226 Difference]: Without dead ends: 43 [2018-07-23 13:41:56,339 INFO L575 BasicCegarLoop]: 0 DeclaredPredicates, 20 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 19 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=39, Invalid=381, Unknown=0, NotChecked=0, Total=420 [2018-07-23 13:41:56,339 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 43 states. [2018-07-23 13:41:56,353 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 43 to 43. [2018-07-23 13:41:56,353 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 43 states. [2018-07-23 13:41:56,354 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 43 states to 43 states and 43 transitions. [2018-07-23 13:41:56,354 INFO L78 Accepts]: Start accepts. Automaton has 43 states and 43 transitions. Word has length 40 [2018-07-23 13:41:56,354 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-07-23 13:41:56,354 INFO L471 AbstractCegarLoop]: Abstraction has 43 states and 43 transitions. [2018-07-23 13:41:56,355 INFO L472 AbstractCegarLoop]: Interpolant automaton has 21 states. [2018-07-23 13:41:56,355 INFO L276 IsEmpty]: Start isEmpty. Operand 43 states and 43 transitions. [2018-07-23 13:41:56,355 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 43 [2018-07-23 13:41:56,355 INFO L349 BasicCegarLoop]: Found error trace [2018-07-23 13:41:56,356 INFO L357 BasicCegarLoop]: trace histogram [20, 19, 1, 1, 1] [2018-07-23 13:41:56,356 INFO L414 AbstractCegarLoop]: === Iteration 20 === [ULTIMATE.startErr0AssertViolationASSERT]=== [2018-07-23 13:41:56,356 INFO L82 PathProgramCache]: Analyzing trace with hash 508563897, now seen corresponding path program 19 times [2018-07-23 13:41:56,356 INFO L69 tionRefinementEngine]: Using refinement strategy FixedRefinementStrategy [2018-07-23 13:41:56,376 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-07-23 13:41:56,507 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 13:41:56,508 INFO L309 seRefinementStrategy]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2018-07-23 13:41:56,508 INFO L324 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [21] total 21 [2018-07-23 13:41:56,508 INFO L142 lantAutomatonBuilder]: Constructing canonical interpolant automaton, with selfloop in false state [2018-07-23 13:41:56,508 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-07-23 13:41:56,509 INFO L185 omatonBuilderFactory]: Interpolants [2240#(<= 151 (+ (* 3 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 2241#(<= 153 (+ (* 2 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 2242#(<= 154 (+ ULTIMATE.start_main_~y~5 ULTIMATE.start_main_~x~5)), 2243#(<= 154 ULTIMATE.start_main_~x~5), 2244#(<= (+ ULTIMATE.start_main_~y~5 153) ULTIMATE.start_main_~x~5), 2223#true, 2224#false, 2225#(<= 1 (+ (* 18 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 2226#(<= 18 (+ (* 17 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 2227#(<= 34 (+ (* 16 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 2228#(<= 49 (+ (* 15 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 2229#(<= 63 (+ (* 14 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 2230#(<= 76 (+ (* 13 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 2231#(<= 88 (+ (* 12 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 2232#(<= 99 (+ (* 11 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 2233#(<= 109 (+ (* 10 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 2234#(<= 118 (+ (* 9 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 2235#(<= 126 (+ (* 8 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 2236#(<= 133 (+ (* 7 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 2237#(<= 139 (+ (* 6 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 2238#(<= 144 (+ (* 5 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 2239#(<= 148 (+ (* 4 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5))] [2018-07-23 13:41:56,510 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 13:41:56,510 INFO L450 AbstractCegarLoop]: Interpolant automaton has 22 states [2018-07-23 13:41:56,510 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 22 interpolants. [2018-07-23 13:41:56,511 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=41, Invalid=421, Unknown=0, NotChecked=0, Total=462 [2018-07-23 13:41:56,511 INFO L87 Difference]: Start difference. First operand 43 states and 43 transitions. Second operand 22 states. [2018-07-23 13:41:56,742 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-07-23 13:41:56,742 INFO L93 Difference]: Finished difference Result 47 states and 47 transitions. [2018-07-23 13:41:56,742 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 22 states. [2018-07-23 13:41:56,743 INFO L78 Accepts]: Start accepts. Automaton has 22 states. Word has length 42 [2018-07-23 13:41:56,743 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-07-23 13:41:56,743 INFO L225 Difference]: With dead ends: 47 [2018-07-23 13:41:56,743 INFO L226 Difference]: Without dead ends: 45 [2018-07-23 13:41:56,744 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 13:41:56,744 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 45 states. [2018-07-23 13:41:56,756 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 45 to 45. [2018-07-23 13:41:56,756 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 45 states. [2018-07-23 13:41:56,757 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 45 states to 45 states and 45 transitions. [2018-07-23 13:41:56,757 INFO L78 Accepts]: Start accepts. Automaton has 45 states and 45 transitions. Word has length 42 [2018-07-23 13:41:56,757 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-07-23 13:41:56,757 INFO L471 AbstractCegarLoop]: Abstraction has 45 states and 45 transitions. [2018-07-23 13:41:56,758 INFO L472 AbstractCegarLoop]: Interpolant automaton has 22 states. [2018-07-23 13:41:56,758 INFO L276 IsEmpty]: Start isEmpty. Operand 45 states and 45 transitions. [2018-07-23 13:41:56,758 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 45 [2018-07-23 13:41:56,758 INFO L349 BasicCegarLoop]: Found error trace [2018-07-23 13:41:56,759 INFO L357 BasicCegarLoop]: trace histogram [21, 20, 1, 1, 1] [2018-07-23 13:41:56,759 INFO L414 AbstractCegarLoop]: === Iteration 21 === [ULTIMATE.startErr0AssertViolationASSERT]=== [2018-07-23 13:41:56,759 INFO L82 PathProgramCache]: Analyzing trace with hash -896433739, now seen corresponding path program 20 times [2018-07-23 13:41:56,759 INFO L69 tionRefinementEngine]: Using refinement strategy FixedRefinementStrategy [2018-07-23 13:41:56,773 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-07-23 13:41:56,914 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 13:41:56,915 INFO L309 seRefinementStrategy]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2018-07-23 13:41:56,915 INFO L324 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [22] total 22 [2018-07-23 13:41:56,915 INFO L142 lantAutomatonBuilder]: Constructing canonical interpolant automaton, with selfloop in false state [2018-07-23 13:41:56,915 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-07-23 13:41:56,916 INFO L185 omatonBuilderFactory]: Interpolants [2432#(<= 19 (+ (* 18 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 2433#(<= 36 (+ (* 17 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 2434#(<= 52 (+ (* 16 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 2435#(<= 67 (+ (* 15 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 2436#(<= 81 (+ (* 14 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 2437#(<= 94 (+ (* 13 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 2438#(<= 106 (+ (* 12 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 2439#(<= 117 (+ (* 11 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 2440#(<= 127 (+ (* 10 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 2441#(<= 136 (+ (* 9 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 2442#(<= 144 (+ (* 8 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 2443#(<= 151 (+ (* 7 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 2444#(<= 157 (+ (* 6 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 2445#(<= 162 (+ (* 5 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 2446#(<= 166 (+ (* 4 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 2447#(<= 169 (+ (* 3 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 2448#(<= 171 (+ (* 2 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 2449#(<= 172 (+ ULTIMATE.start_main_~y~5 ULTIMATE.start_main_~x~5)), 2450#(<= 172 ULTIMATE.start_main_~x~5), 2451#(<= (+ ULTIMATE.start_main_~y~5 171) ULTIMATE.start_main_~x~5), 2429#true, 2430#false, 2431#(<= 1 (+ (* 19 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5))] [2018-07-23 13:41:56,917 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 13:41:56,917 INFO L450 AbstractCegarLoop]: Interpolant automaton has 23 states [2018-07-23 13:41:56,917 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 23 interpolants. [2018-07-23 13:41:56,917 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=43, Invalid=463, Unknown=0, NotChecked=0, Total=506 [2018-07-23 13:41:56,918 INFO L87 Difference]: Start difference. First operand 45 states and 45 transitions. Second operand 23 states. [2018-07-23 13:41:57,147 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-07-23 13:41:57,147 INFO L93 Difference]: Finished difference Result 49 states and 49 transitions. [2018-07-23 13:41:57,148 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 23 states. [2018-07-23 13:41:57,148 INFO L78 Accepts]: Start accepts. Automaton has 23 states. Word has length 44 [2018-07-23 13:41:57,148 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-07-23 13:41:57,150 INFO L225 Difference]: With dead ends: 49 [2018-07-23 13:41:57,150 INFO L226 Difference]: Without dead ends: 47 [2018-07-23 13:41:57,151 INFO L575 BasicCegarLoop]: 0 DeclaredPredicates, 22 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 21 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=43, Invalid=463, Unknown=0, NotChecked=0, Total=506 [2018-07-23 13:41:57,151 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 47 states. [2018-07-23 13:41:57,165 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 47 to 47. [2018-07-23 13:41:57,166 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 47 states. [2018-07-23 13:41:57,166 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 47 states to 47 states and 47 transitions. [2018-07-23 13:41:57,166 INFO L78 Accepts]: Start accepts. Automaton has 47 states and 47 transitions. Word has length 44 [2018-07-23 13:41:57,167 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-07-23 13:41:57,167 INFO L471 AbstractCegarLoop]: Abstraction has 47 states and 47 transitions. [2018-07-23 13:41:57,167 INFO L472 AbstractCegarLoop]: Interpolant automaton has 23 states. [2018-07-23 13:41:57,167 INFO L276 IsEmpty]: Start isEmpty. Operand 47 states and 47 transitions. [2018-07-23 13:41:57,167 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 47 [2018-07-23 13:41:57,167 INFO L349 BasicCegarLoop]: Found error trace [2018-07-23 13:41:57,168 INFO L357 BasicCegarLoop]: trace histogram [22, 21, 1, 1, 1] [2018-07-23 13:41:57,168 INFO L414 AbstractCegarLoop]: === Iteration 22 === [ULTIMATE.startErr0AssertViolationASSERT]=== [2018-07-23 13:41:57,168 INFO L82 PathProgramCache]: Analyzing trace with hash 1815536305, now seen corresponding path program 21 times [2018-07-23 13:41:57,168 INFO L69 tionRefinementEngine]: Using refinement strategy FixedRefinementStrategy [2018-07-23 13:41:57,185 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-07-23 13:41:57,324 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 13:41:57,325 INFO L309 seRefinementStrategy]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2018-07-23 13:41:57,325 INFO L324 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [23] total 23 [2018-07-23 13:41:57,325 INFO L142 lantAutomatonBuilder]: Constructing canonical interpolant automaton, with selfloop in false state [2018-07-23 13:41:57,325 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-07-23 13:41:57,326 INFO L185 omatonBuilderFactory]: Interpolants [2656#(<= 146 (+ (* 10 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 2657#(<= 155 (+ (* 9 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 2658#(<= 163 (+ (* 8 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 2659#(<= 170 (+ (* 7 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 2660#(<= 176 (+ (* 6 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 2661#(<= 181 (+ (* 5 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 2662#(<= 185 (+ (* 4 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 2663#(<= 188 (+ (* 3 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 2664#(<= 190 (+ (* 2 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 2665#(<= 191 (+ ULTIMATE.start_main_~y~5 ULTIMATE.start_main_~x~5)), 2666#(<= 191 ULTIMATE.start_main_~x~5), 2667#(<= (+ ULTIMATE.start_main_~y~5 190) ULTIMATE.start_main_~x~5), 2644#true, 2645#false, 2646#(<= 1 (+ (* 20 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 2647#(<= 20 (+ (* 19 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 2648#(<= 38 (+ (* 18 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 2649#(<= 55 (+ (* 17 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 2650#(<= 71 (+ (* 16 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 2651#(<= 86 (+ (* 15 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 2652#(<= 100 (+ (* 14 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 2653#(<= 113 (+ (* 13 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 2654#(<= 125 (+ (* 12 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 2655#(<= 136 (+ (* 11 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5))] [2018-07-23 13:41:57,326 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 13:41:57,327 INFO L450 AbstractCegarLoop]: Interpolant automaton has 24 states [2018-07-23 13:41:57,327 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 24 interpolants. [2018-07-23 13:41:57,327 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=45, Invalid=507, Unknown=0, NotChecked=0, Total=552 [2018-07-23 13:41:57,328 INFO L87 Difference]: Start difference. First operand 47 states and 47 transitions. Second operand 24 states. [2018-07-23 13:41:57,558 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-07-23 13:41:57,559 INFO L93 Difference]: Finished difference Result 51 states and 51 transitions. [2018-07-23 13:41:57,559 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 24 states. [2018-07-23 13:41:57,559 INFO L78 Accepts]: Start accepts. Automaton has 24 states. Word has length 46 [2018-07-23 13:41:57,559 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-07-23 13:41:57,561 INFO L225 Difference]: With dead ends: 51 [2018-07-23 13:41:57,561 INFO L226 Difference]: Without dead ends: 49 [2018-07-23 13:41:57,562 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 13:41:57,562 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 49 states. [2018-07-23 13:41:57,578 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 49 to 49. [2018-07-23 13:41:57,578 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 49 states. [2018-07-23 13:41:57,578 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 49 states to 49 states and 49 transitions. [2018-07-23 13:41:57,578 INFO L78 Accepts]: Start accepts. Automaton has 49 states and 49 transitions. Word has length 46 [2018-07-23 13:41:57,579 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-07-23 13:41:57,579 INFO L471 AbstractCegarLoop]: Abstraction has 49 states and 49 transitions. [2018-07-23 13:41:57,579 INFO L472 AbstractCegarLoop]: Interpolant automaton has 24 states. [2018-07-23 13:41:57,579 INFO L276 IsEmpty]: Start isEmpty. Operand 49 states and 49 transitions. [2018-07-23 13:41:57,579 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 49 [2018-07-23 13:41:57,580 INFO L349 BasicCegarLoop]: Found error trace [2018-07-23 13:41:57,580 INFO L357 BasicCegarLoop]: trace histogram [23, 22, 1, 1, 1] [2018-07-23 13:41:57,580 INFO L414 AbstractCegarLoop]: === Iteration 23 === [ULTIMATE.startErr0AssertViolationASSERT]=== [2018-07-23 13:41:57,580 INFO L82 PathProgramCache]: Analyzing trace with hash 973599917, now seen corresponding path program 22 times [2018-07-23 13:41:57,580 INFO L69 tionRefinementEngine]: Using refinement strategy FixedRefinementStrategy [2018-07-23 13:41:57,595 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-07-23 13:41:57,740 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 13:41:57,740 INFO L309 seRefinementStrategy]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2018-07-23 13:41:57,740 INFO L324 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [24] total 24 [2018-07-23 13:41:57,741 INFO L142 lantAutomatonBuilder]: Constructing canonical interpolant automaton, with selfloop in false state [2018-07-23 13:41:57,741 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-07-23 13:41:57,741 INFO L185 omatonBuilderFactory]: Interpolants [2880#(<= 156 (+ (* 11 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 2881#(<= 166 (+ (* 10 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 2882#(<= 175 (+ (* 9 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 2883#(<= 183 (+ (* 8 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 2884#(<= 190 (+ (* 7 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 2885#(<= 196 (+ (* 6 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 2886#(<= 201 (+ (* 5 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 2887#(<= 205 (+ (* 4 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 2888#(<= 208 (+ (* 3 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 2889#(<= 210 (+ (* 2 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 2890#(<= 211 (+ ULTIMATE.start_main_~y~5 ULTIMATE.start_main_~x~5)), 2891#(<= 211 ULTIMATE.start_main_~x~5), 2892#(<= (+ ULTIMATE.start_main_~y~5 210) ULTIMATE.start_main_~x~5), 2868#true, 2869#false, 2870#(<= 1 (+ (* 21 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 2871#(<= 21 (+ (* 20 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 2872#(<= 40 (+ (* 19 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 2873#(<= 58 (+ (* 18 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 2874#(<= 75 (+ (* 17 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 2875#(<= 91 (+ (* 16 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 2876#(<= 106 (+ (* 15 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 2877#(<= 120 (+ (* 14 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 2878#(<= 133 (+ (* 13 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 2879#(<= 145 (+ (* 12 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5))] [2018-07-23 13:41:57,742 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 13:41:57,742 INFO L450 AbstractCegarLoop]: Interpolant automaton has 25 states [2018-07-23 13:41:57,743 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 25 interpolants. [2018-07-23 13:41:57,743 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=47, Invalid=553, Unknown=0, NotChecked=0, Total=600 [2018-07-23 13:41:57,743 INFO L87 Difference]: Start difference. First operand 49 states and 49 transitions. Second operand 25 states. [2018-07-23 13:41:57,991 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-07-23 13:41:57,991 INFO L93 Difference]: Finished difference Result 53 states and 53 transitions. [2018-07-23 13:41:57,991 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 25 states. [2018-07-23 13:41:57,991 INFO L78 Accepts]: Start accepts. Automaton has 25 states. Word has length 48 [2018-07-23 13:41:57,992 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-07-23 13:41:57,992 INFO L225 Difference]: With dead ends: 53 [2018-07-23 13:41:57,992 INFO L226 Difference]: Without dead ends: 51 [2018-07-23 13:41:57,993 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 13:41:57,993 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 51 states. [2018-07-23 13:41:58,008 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 51 to 51. [2018-07-23 13:41:58,009 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 51 states. [2018-07-23 13:41:58,009 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 51 states to 51 states and 51 transitions. [2018-07-23 13:41:58,009 INFO L78 Accepts]: Start accepts. Automaton has 51 states and 51 transitions. Word has length 48 [2018-07-23 13:41:58,010 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-07-23 13:41:58,010 INFO L471 AbstractCegarLoop]: Abstraction has 51 states and 51 transitions. [2018-07-23 13:41:58,010 INFO L472 AbstractCegarLoop]: Interpolant automaton has 25 states. [2018-07-23 13:41:58,010 INFO L276 IsEmpty]: Start isEmpty. Operand 51 states and 51 transitions. [2018-07-23 13:41:58,010 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 51 [2018-07-23 13:41:58,010 INFO L349 BasicCegarLoop]: Found error trace [2018-07-23 13:41:58,011 INFO L357 BasicCegarLoop]: trace histogram [24, 23, 1, 1, 1] [2018-07-23 13:41:58,011 INFO L414 AbstractCegarLoop]: === Iteration 24 === [ULTIMATE.startErr0AssertViolationASSERT]=== [2018-07-23 13:41:58,011 INFO L82 PathProgramCache]: Analyzing trace with hash -673417303, now seen corresponding path program 23 times [2018-07-23 13:41:58,011 INFO L69 tionRefinementEngine]: Using refinement strategy FixedRefinementStrategy [2018-07-23 13:41:58,028 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-07-23 13:41:58,193 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 13:41:58,193 INFO L309 seRefinementStrategy]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2018-07-23 13:41:58,194 INFO L324 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [25] total 25 [2018-07-23 13:41:58,194 INFO L142 lantAutomatonBuilder]: Constructing canonical interpolant automaton, with selfloop in false state [2018-07-23 13:41:58,194 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-07-23 13:41:58,195 INFO L185 omatonBuilderFactory]: Interpolants [3101#true, 3102#false, 3103#(<= 1 (+ (* 22 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 3104#(<= 22 (+ (* 21 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 3105#(<= 42 (+ (* 20 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 3106#(<= 61 (+ (* 19 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 3107#(<= 79 (+ (* 18 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 3108#(<= 96 (+ (* 17 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 3109#(<= 112 (+ (* 16 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 3110#(<= 127 (+ (* 15 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 3111#(<= 141 (+ (* 14 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 3112#(<= 154 (+ (* 13 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 3113#(<= 166 (+ (* 12 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 3114#(<= 177 (+ (* 11 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 3115#(<= 187 (+ (* 10 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 3116#(<= 196 (+ (* 9 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 3117#(<= 204 (+ (* 8 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 3118#(<= 211 (+ (* 7 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 3119#(<= 217 (+ (* 6 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 3120#(<= 222 (+ (* 5 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 3121#(<= 226 (+ (* 4 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 3122#(<= 229 (+ (* 3 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 3123#(<= 231 (+ (* 2 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 3124#(<= 232 (+ ULTIMATE.start_main_~y~5 ULTIMATE.start_main_~x~5)), 3125#(<= 232 ULTIMATE.start_main_~x~5), 3126#(<= (+ ULTIMATE.start_main_~y~5 231) ULTIMATE.start_main_~x~5)] [2018-07-23 13:41:58,195 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 13:41:58,196 INFO L450 AbstractCegarLoop]: Interpolant automaton has 26 states [2018-07-23 13:41:58,196 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 26 interpolants. [2018-07-23 13:41:58,201 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=49, Invalid=601, Unknown=0, NotChecked=0, Total=650 [2018-07-23 13:41:58,201 INFO L87 Difference]: Start difference. First operand 51 states and 51 transitions. Second operand 26 states. [2018-07-23 13:41:58,486 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-07-23 13:41:58,486 INFO L93 Difference]: Finished difference Result 55 states and 55 transitions. [2018-07-23 13:41:58,486 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 26 states. [2018-07-23 13:41:58,487 INFO L78 Accepts]: Start accepts. Automaton has 26 states. Word has length 50 [2018-07-23 13:41:58,487 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-07-23 13:41:58,487 INFO L225 Difference]: With dead ends: 55 [2018-07-23 13:41:58,487 INFO L226 Difference]: Without dead ends: 53 [2018-07-23 13:41:58,488 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 13:41:58,488 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 53 states. [2018-07-23 13:41:58,501 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 53 to 53. [2018-07-23 13:41:58,501 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 53 states. [2018-07-23 13:41:58,501 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 53 states to 53 states and 53 transitions. [2018-07-23 13:41:58,501 INFO L78 Accepts]: Start accepts. Automaton has 53 states and 53 transitions. Word has length 50 [2018-07-23 13:41:58,502 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-07-23 13:41:58,502 INFO L471 AbstractCegarLoop]: Abstraction has 53 states and 53 transitions. [2018-07-23 13:41:58,502 INFO L472 AbstractCegarLoop]: Interpolant automaton has 26 states. [2018-07-23 13:41:58,502 INFO L276 IsEmpty]: Start isEmpty. Operand 53 states and 53 transitions. [2018-07-23 13:41:58,502 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 53 [2018-07-23 13:41:58,502 INFO L349 BasicCegarLoop]: Found error trace [2018-07-23 13:41:58,503 INFO L357 BasicCegarLoop]: trace histogram [25, 24, 1, 1, 1] [2018-07-23 13:41:58,503 INFO L414 AbstractCegarLoop]: === Iteration 25 === [ULTIMATE.startErr0AssertViolationASSERT]=== [2018-07-23 13:41:58,503 INFO L82 PathProgramCache]: Analyzing trace with hash 1385966501, now seen corresponding path program 24 times [2018-07-23 13:41:58,503 INFO L69 tionRefinementEngine]: Using refinement strategy FixedRefinementStrategy [2018-07-23 13:41:58,519 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-07-23 13:41:58,692 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 13:41:58,692 INFO L309 seRefinementStrategy]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2018-07-23 13:41:58,692 INFO L324 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [26] total 26 [2018-07-23 13:41:58,692 INFO L142 lantAutomatonBuilder]: Constructing canonical interpolant automaton, with selfloop in false state [2018-07-23 13:41:58,693 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-07-23 13:41:58,693 INFO L185 omatonBuilderFactory]: Interpolants [3343#true, 3344#false, 3345#(<= 1 (+ (* 23 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 3346#(<= 23 (+ (* 22 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 3347#(<= 44 (+ (* 21 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 3348#(<= 64 (+ (* 20 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 3349#(<= 83 (+ (* 19 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 3350#(<= 101 (+ (* 18 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 3351#(<= 118 (+ (* 17 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 3352#(<= 134 (+ (* 16 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 3353#(<= 149 (+ (* 15 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 3354#(<= 163 (+ (* 14 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 3355#(<= 176 (+ (* 13 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 3356#(<= 188 (+ (* 12 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 3357#(<= 199 (+ (* 11 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 3358#(<= 209 (+ (* 10 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 3359#(<= 218 (+ (* 9 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 3360#(<= 226 (+ (* 8 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 3361#(<= 233 (+ (* 7 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 3362#(<= 239 (+ (* 6 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 3363#(<= 244 (+ (* 5 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 3364#(<= 248 (+ (* 4 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 3365#(<= 251 (+ (* 3 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 3366#(<= 253 (+ (* 2 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 3367#(<= 254 (+ ULTIMATE.start_main_~y~5 ULTIMATE.start_main_~x~5)), 3368#(<= 254 ULTIMATE.start_main_~x~5), 3369#(<= (+ ULTIMATE.start_main_~y~5 253) ULTIMATE.start_main_~x~5)] [2018-07-23 13:41:58,694 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 13:41:58,694 INFO L450 AbstractCegarLoop]: Interpolant automaton has 27 states [2018-07-23 13:41:58,694 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 27 interpolants. [2018-07-23 13:41:58,695 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=51, Invalid=651, Unknown=0, NotChecked=0, Total=702 [2018-07-23 13:41:58,695 INFO L87 Difference]: Start difference. First operand 53 states and 53 transitions. Second operand 27 states. [2018-07-23 13:41:59,001 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-07-23 13:41:59,002 INFO L93 Difference]: Finished difference Result 57 states and 57 transitions. [2018-07-23 13:41:59,002 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 27 states. [2018-07-23 13:41:59,002 INFO L78 Accepts]: Start accepts. Automaton has 27 states. Word has length 52 [2018-07-23 13:41:59,002 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-07-23 13:41:59,003 INFO L225 Difference]: With dead ends: 57 [2018-07-23 13:41:59,003 INFO L226 Difference]: Without dead ends: 55 [2018-07-23 13:41:59,004 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 13:41:59,004 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 55 states. [2018-07-23 13:41:59,020 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 55 to 55. [2018-07-23 13:41:59,020 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 55 states. [2018-07-23 13:41:59,021 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 55 states to 55 states and 55 transitions. [2018-07-23 13:41:59,021 INFO L78 Accepts]: Start accepts. Automaton has 55 states and 55 transitions. Word has length 52 [2018-07-23 13:41:59,021 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-07-23 13:41:59,022 INFO L471 AbstractCegarLoop]: Abstraction has 55 states and 55 transitions. [2018-07-23 13:41:59,022 INFO L472 AbstractCegarLoop]: Interpolant automaton has 27 states. [2018-07-23 13:41:59,022 INFO L276 IsEmpty]: Start isEmpty. Operand 55 states and 55 transitions. [2018-07-23 13:41:59,022 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 55 [2018-07-23 13:41:59,022 INFO L349 BasicCegarLoop]: Found error trace [2018-07-23 13:41:59,023 INFO L357 BasicCegarLoop]: trace histogram [26, 25, 1, 1, 1] [2018-07-23 13:41:59,023 INFO L414 AbstractCegarLoop]: === Iteration 26 === [ULTIMATE.startErr0AssertViolationASSERT]=== [2018-07-23 13:41:59,023 INFO L82 PathProgramCache]: Analyzing trace with hash 473878689, now seen corresponding path program 25 times [2018-07-23 13:41:59,023 INFO L69 tionRefinementEngine]: Using refinement strategy FixedRefinementStrategy [2018-07-23 13:41:59,043 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-07-23 13:41:59,262 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 13:41:59,263 INFO L309 seRefinementStrategy]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2018-07-23 13:41:59,263 INFO L324 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [27] total 27 [2018-07-23 13:41:59,263 INFO L142 lantAutomatonBuilder]: Constructing canonical interpolant automaton, with selfloop in false state [2018-07-23 13:41:59,263 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-07-23 13:41:59,264 INFO L185 omatonBuilderFactory]: Interpolants [3594#true, 3595#false, 3596#(<= 1 (+ (* 24 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 3597#(<= 24 (+ (* 23 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 3598#(<= 46 (+ (* 22 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 3599#(<= 67 (+ (* 21 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 3600#(<= 87 (+ (* 20 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 3601#(<= 106 (+ (* 19 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 3602#(<= 124 (+ (* 18 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 3603#(<= 141 (+ (* 17 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 3604#(<= 157 (+ (* 16 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 3605#(<= 172 (+ (* 15 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 3606#(<= 186 (+ (* 14 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 3607#(<= 199 (+ (* 13 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 3608#(<= 211 (+ (* 12 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 3609#(<= 222 (+ (* 11 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 3610#(<= 232 (+ (* 10 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 3611#(<= 241 (+ (* 9 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 3612#(<= 249 (+ (* 8 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 3613#(<= 256 (+ (* 7 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 3614#(<= 262 (+ (* 6 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 3615#(<= 267 (+ (* 5 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 3616#(<= 271 (+ (* 4 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 3617#(<= 274 (+ (* 3 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 3618#(<= 276 (+ (* 2 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 3619#(<= 277 (+ ULTIMATE.start_main_~y~5 ULTIMATE.start_main_~x~5)), 3620#(<= 277 ULTIMATE.start_main_~x~5), 3621#(<= (+ ULTIMATE.start_main_~y~5 276) ULTIMATE.start_main_~x~5)] [2018-07-23 13:41:59,264 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 13:41:59,265 INFO L450 AbstractCegarLoop]: Interpolant automaton has 28 states [2018-07-23 13:41:59,265 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 28 interpolants. [2018-07-23 13:41:59,265 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=53, Invalid=703, Unknown=0, NotChecked=0, Total=756 [2018-07-23 13:41:59,266 INFO L87 Difference]: Start difference. First operand 55 states and 55 transitions. Second operand 28 states. [2018-07-23 13:41:59,574 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-07-23 13:41:59,574 INFO L93 Difference]: Finished difference Result 59 states and 59 transitions. [2018-07-23 13:41:59,574 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 28 states. [2018-07-23 13:41:59,574 INFO L78 Accepts]: Start accepts. Automaton has 28 states. Word has length 54 [2018-07-23 13:41:59,575 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-07-23 13:41:59,575 INFO L225 Difference]: With dead ends: 59 [2018-07-23 13:41:59,575 INFO L226 Difference]: Without dead ends: 57 [2018-07-23 13:41:59,576 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 13:41:59,576 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 57 states. [2018-07-23 13:41:59,591 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 57 to 57. [2018-07-23 13:41:59,592 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 57 states. [2018-07-23 13:41:59,592 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 57 states to 57 states and 57 transitions. [2018-07-23 13:41:59,592 INFO L78 Accepts]: Start accepts. Automaton has 57 states and 57 transitions. Word has length 54 [2018-07-23 13:41:59,593 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-07-23 13:41:59,593 INFO L471 AbstractCegarLoop]: Abstraction has 57 states and 57 transitions. [2018-07-23 13:41:59,593 INFO L472 AbstractCegarLoop]: Interpolant automaton has 28 states. [2018-07-23 13:41:59,593 INFO L276 IsEmpty]: Start isEmpty. Operand 57 states and 57 transitions. [2018-07-23 13:41:59,593 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 57 [2018-07-23 13:41:59,594 INFO L349 BasicCegarLoop]: Found error trace [2018-07-23 13:41:59,594 INFO L357 BasicCegarLoop]: trace histogram [27, 26, 1, 1, 1] [2018-07-23 13:41:59,594 INFO L414 AbstractCegarLoop]: === Iteration 27 === [ULTIMATE.startErr0AssertViolationASSERT]=== [2018-07-23 13:41:59,594 INFO L82 PathProgramCache]: Analyzing trace with hash 130819741, now seen corresponding path program 26 times [2018-07-23 13:41:59,594 INFO L69 tionRefinementEngine]: Using refinement strategy FixedRefinementStrategy [2018-07-23 13:41:59,610 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-07-23 13:41:59,784 INFO L134 CoverageAnalysis]: Checked inductivity of 702 backedges. 0 proven. 702 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-07-23 13:41:59,784 INFO L309 seRefinementStrategy]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2018-07-23 13:41:59,785 INFO L324 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [28] total 28 [2018-07-23 13:41:59,785 INFO L142 lantAutomatonBuilder]: Constructing canonical interpolant automaton, with selfloop in false state [2018-07-23 13:41:59,785 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-07-23 13:41:59,785 INFO L185 omatonBuilderFactory]: Interpolants [3854#true, 3855#false, 3856#(<= 1 (+ (* 25 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 3857#(<= 25 (+ (* 24 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 3858#(<= 48 (+ (* 23 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 3859#(<= 70 (+ (* 22 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 3860#(<= 91 (+ (* 21 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 3861#(<= 111 (+ (* 20 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 3862#(<= 130 (+ (* 19 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 3863#(<= 148 (+ (* 18 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 3864#(<= 165 (+ (* 17 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 3865#(<= 181 (+ (* 16 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 3866#(<= 196 (+ (* 15 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 3867#(<= 210 (+ (* 14 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 3868#(<= 223 (+ (* 13 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 3869#(<= 235 (+ (* 12 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 3870#(<= 246 (+ (* 11 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 3871#(<= 256 (+ (* 10 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 3872#(<= 265 (+ (* 9 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 3873#(<= 273 (+ (* 8 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 3874#(<= 280 (+ (* 7 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 3875#(<= 286 (+ (* 6 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 3876#(<= 291 (+ (* 5 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 3877#(<= 295 (+ (* 4 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 3878#(<= 298 (+ (* 3 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 3879#(<= 300 (+ (* 2 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 3880#(<= 301 (+ ULTIMATE.start_main_~y~5 ULTIMATE.start_main_~x~5)), 3881#(<= 301 ULTIMATE.start_main_~x~5), 3882#(<= (+ ULTIMATE.start_main_~y~5 300) ULTIMATE.start_main_~x~5)] [2018-07-23 13:41:59,786 INFO L134 CoverageAnalysis]: Checked inductivity of 702 backedges. 0 proven. 702 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-07-23 13:41:59,786 INFO L450 AbstractCegarLoop]: Interpolant automaton has 29 states [2018-07-23 13:41:59,787 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 29 interpolants. [2018-07-23 13:41:59,787 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=55, Invalid=757, Unknown=0, NotChecked=0, Total=812 [2018-07-23 13:41:59,787 INFO L87 Difference]: Start difference. First operand 57 states and 57 transitions. Second operand 29 states. [2018-07-23 13:42:00,086 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-07-23 13:42:00,086 INFO L93 Difference]: Finished difference Result 61 states and 61 transitions. [2018-07-23 13:42:00,086 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 29 states. [2018-07-23 13:42:00,087 INFO L78 Accepts]: Start accepts. Automaton has 29 states. Word has length 56 [2018-07-23 13:42:00,087 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-07-23 13:42:00,087 INFO L225 Difference]: With dead ends: 61 [2018-07-23 13:42:00,087 INFO L226 Difference]: Without dead ends: 59 [2018-07-23 13:42:00,088 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 13:42:00,088 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 59 states. [2018-07-23 13:42:00,102 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 59 to 59. [2018-07-23 13:42:00,103 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 59 states. [2018-07-23 13:42:00,103 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 59 states to 59 states and 59 transitions. [2018-07-23 13:42:00,103 INFO L78 Accepts]: Start accepts. Automaton has 59 states and 59 transitions. Word has length 56 [2018-07-23 13:42:00,103 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-07-23 13:42:00,104 INFO L471 AbstractCegarLoop]: Abstraction has 59 states and 59 transitions. [2018-07-23 13:42:00,104 INFO L472 AbstractCegarLoop]: Interpolant automaton has 29 states. [2018-07-23 13:42:00,104 INFO L276 IsEmpty]: Start isEmpty. Operand 59 states and 59 transitions. [2018-07-23 13:42:00,104 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 59 [2018-07-23 13:42:00,104 INFO L349 BasicCegarLoop]: Found error trace [2018-07-23 13:42:00,105 INFO L357 BasicCegarLoop]: trace histogram [28, 27, 1, 1, 1] [2018-07-23 13:42:00,105 INFO L414 AbstractCegarLoop]: === Iteration 28 === [ULTIMATE.startErr0AssertViolationASSERT]=== [2018-07-23 13:42:00,105 INFO L82 PathProgramCache]: Analyzing trace with hash 1163652505, now seen corresponding path program 27 times [2018-07-23 13:42:00,105 INFO L69 tionRefinementEngine]: Using refinement strategy FixedRefinementStrategy [2018-07-23 13:42:00,122 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-07-23 13:42:00,293 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 13:42:00,293 INFO L309 seRefinementStrategy]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2018-07-23 13:42:00,293 INFO L324 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [29] total 29 [2018-07-23 13:42:00,293 INFO L142 lantAutomatonBuilder]: Constructing canonical interpolant automaton, with selfloop in false state [2018-07-23 13:42:00,294 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-07-23 13:42:00,294 INFO L185 omatonBuilderFactory]: Interpolants [4123#true, 4124#false, 4125#(<= 1 (+ (* 26 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 4126#(<= 26 (+ (* 25 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 4127#(<= 50 (+ (* 24 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 4128#(<= 73 (+ (* 23 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 4129#(<= 95 (+ (* 22 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 4130#(<= 116 (+ (* 21 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 4131#(<= 136 (+ (* 20 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 4132#(<= 155 (+ (* 19 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 4133#(<= 173 (+ (* 18 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 4134#(<= 190 (+ (* 17 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 4135#(<= 206 (+ (* 16 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 4136#(<= 221 (+ (* 15 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 4137#(<= 235 (+ (* 14 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 4138#(<= 248 (+ (* 13 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 4139#(<= 260 (+ (* 12 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 4140#(<= 271 (+ (* 11 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 4141#(<= 281 (+ (* 10 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 4142#(<= 290 (+ (* 9 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 4143#(<= 298 (+ (* 8 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 4144#(<= 305 (+ (* 7 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 4145#(<= 311 (+ (* 6 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 4146#(<= 316 (+ (* 5 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 4147#(<= 320 (+ (* 4 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 4148#(<= 323 (+ (* 3 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 4149#(<= 325 (+ (* 2 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 4150#(<= 326 (+ ULTIMATE.start_main_~y~5 ULTIMATE.start_main_~x~5)), 4151#(<= 326 ULTIMATE.start_main_~x~5), 4152#(<= (+ ULTIMATE.start_main_~y~5 325) ULTIMATE.start_main_~x~5)] [2018-07-23 13:42:00,295 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 13:42:00,295 INFO L450 AbstractCegarLoop]: Interpolant automaton has 30 states [2018-07-23 13:42:00,295 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 30 interpolants. [2018-07-23 13:42:00,296 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=57, Invalid=813, Unknown=0, NotChecked=0, Total=870 [2018-07-23 13:42:00,296 INFO L87 Difference]: Start difference. First operand 59 states and 59 transitions. Second operand 30 states. [2018-07-23 13:42:00,610 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-07-23 13:42:00,610 INFO L93 Difference]: Finished difference Result 63 states and 63 transitions. [2018-07-23 13:42:00,610 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 30 states. [2018-07-23 13:42:00,610 INFO L78 Accepts]: Start accepts. Automaton has 30 states. Word has length 58 [2018-07-23 13:42:00,611 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-07-23 13:42:00,611 INFO L225 Difference]: With dead ends: 63 [2018-07-23 13:42:00,611 INFO L226 Difference]: Without dead ends: 61 [2018-07-23 13:42:00,612 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 13:42:00,612 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 61 states. [2018-07-23 13:42:00,627 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 61 to 61. [2018-07-23 13:42:00,627 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 61 states. [2018-07-23 13:42:00,628 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 61 states to 61 states and 61 transitions. [2018-07-23 13:42:00,628 INFO L78 Accepts]: Start accepts. Automaton has 61 states and 61 transitions. Word has length 58 [2018-07-23 13:42:00,628 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-07-23 13:42:00,628 INFO L471 AbstractCegarLoop]: Abstraction has 61 states and 61 transitions. [2018-07-23 13:42:00,628 INFO L472 AbstractCegarLoop]: Interpolant automaton has 30 states. [2018-07-23 13:42:00,629 INFO L276 IsEmpty]: Start isEmpty. Operand 61 states and 61 transitions. [2018-07-23 13:42:00,629 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 61 [2018-07-23 13:42:00,629 INFO L349 BasicCegarLoop]: Found error trace [2018-07-23 13:42:00,629 INFO L357 BasicCegarLoop]: trace histogram [29, 28, 1, 1, 1] [2018-07-23 13:42:00,629 INFO L414 AbstractCegarLoop]: === Iteration 29 === [ULTIMATE.startErr0AssertViolationASSERT]=== [2018-07-23 13:42:00,630 INFO L82 PathProgramCache]: Analyzing trace with hash 1578493333, now seen corresponding path program 28 times [2018-07-23 13:42:00,630 INFO L69 tionRefinementEngine]: Using refinement strategy FixedRefinementStrategy [2018-07-23 13:42:00,650 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-07-23 13:42:00,831 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 13:42:00,831 INFO L309 seRefinementStrategy]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2018-07-23 13:42:00,831 INFO L324 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [30] total 30 [2018-07-23 13:42:00,832 INFO L142 lantAutomatonBuilder]: Constructing canonical interpolant automaton, with selfloop in false state [2018-07-23 13:42:00,832 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 13:42:00,832 INFO L185 omatonBuilderFactory]: Interpolants [4416#(<= 261 (+ (* 14 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 4417#(<= 274 (+ (* 13 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 4418#(<= 286 (+ (* 12 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 4419#(<= 297 (+ (* 11 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 4420#(<= 307 (+ (* 10 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 4421#(<= 316 (+ (* 9 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 4422#(<= 324 (+ (* 8 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 4423#(<= 331 (+ (* 7 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 4424#(<= 337 (+ (* 6 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 4425#(<= 342 (+ (* 5 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 4426#(<= 346 (+ (* 4 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 4427#(<= 349 (+ (* 3 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 4428#(<= 351 (+ (* 2 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 4429#(<= 352 (+ ULTIMATE.start_main_~y~5 ULTIMATE.start_main_~x~5)), 4430#(<= 352 ULTIMATE.start_main_~x~5), 4431#(<= (+ ULTIMATE.start_main_~y~5 351) ULTIMATE.start_main_~x~5), 4401#true, 4402#false, 4403#(<= 1 (+ (* 27 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 4404#(<= 27 (+ (* 26 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 4405#(<= 52 (+ (* 25 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 4406#(<= 76 (+ (* 24 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 4407#(<= 99 (+ (* 23 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 4408#(<= 121 (+ (* 22 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 4409#(<= 142 (+ (* 21 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 4410#(<= 162 (+ (* 20 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 4411#(<= 181 (+ (* 19 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 4412#(<= 199 (+ (* 18 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 4413#(<= 216 (+ (* 17 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 4414#(<= 232 (+ (* 16 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 4415#(<= 247 (+ (* 15 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5))] [2018-07-23 13:42:00,833 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 13:42:00,833 INFO L450 AbstractCegarLoop]: Interpolant automaton has 31 states [2018-07-23 13:42:00,833 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 31 interpolants. [2018-07-23 13:42:00,834 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=59, Invalid=871, Unknown=0, NotChecked=0, Total=930 [2018-07-23 13:42:00,834 INFO L87 Difference]: Start difference. First operand 61 states and 61 transitions. Second operand 31 states. [2018-07-23 13:42:01,143 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-07-23 13:42:01,143 INFO L93 Difference]: Finished difference Result 65 states and 65 transitions. [2018-07-23 13:42:01,144 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 31 states. [2018-07-23 13:42:01,144 INFO L78 Accepts]: Start accepts. Automaton has 31 states. Word has length 60 [2018-07-23 13:42:01,144 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-07-23 13:42:01,145 INFO L225 Difference]: With dead ends: 65 [2018-07-23 13:42:01,145 INFO L226 Difference]: Without dead ends: 63 [2018-07-23 13:42:01,146 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 13:42:01,146 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 63 states. [2018-07-23 13:42:01,164 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 63 to 63. [2018-07-23 13:42:01,164 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 63 states. [2018-07-23 13:42:01,164 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 63 states to 63 states and 63 transitions. [2018-07-23 13:42:01,165 INFO L78 Accepts]: Start accepts. Automaton has 63 states and 63 transitions. Word has length 60 [2018-07-23 13:42:01,165 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-07-23 13:42:01,165 INFO L471 AbstractCegarLoop]: Abstraction has 63 states and 63 transitions. [2018-07-23 13:42:01,165 INFO L472 AbstractCegarLoop]: Interpolant automaton has 31 states. [2018-07-23 13:42:01,165 INFO L276 IsEmpty]: Start isEmpty. Operand 63 states and 63 transitions. [2018-07-23 13:42:01,166 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 63 [2018-07-23 13:42:01,166 INFO L349 BasicCegarLoop]: Found error trace [2018-07-23 13:42:01,166 INFO L357 BasicCegarLoop]: trace histogram [30, 29, 1, 1, 1] [2018-07-23 13:42:01,166 INFO L414 AbstractCegarLoop]: === Iteration 30 === [ULTIMATE.startErr0AssertViolationASSERT]=== [2018-07-23 13:42:01,166 INFO L82 PathProgramCache]: Analyzing trace with hash 808570513, now seen corresponding path program 29 times [2018-07-23 13:42:01,166 INFO L69 tionRefinementEngine]: Using refinement strategy FixedRefinementStrategy [2018-07-23 13:42:01,186 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-07-23 13:42:01,372 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 13:42:01,372 INFO L309 seRefinementStrategy]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2018-07-23 13:42:01,372 INFO L324 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [31] total 31 [2018-07-23 13:42:01,372 INFO L142 lantAutomatonBuilder]: Constructing canonical interpolant automaton, with selfloop in false state [2018-07-23 13:42:01,373 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-07-23 13:42:01,373 INFO L185 omatonBuilderFactory]: Interpolants [4688#true, 4689#false, 4690#(<= 1 (+ (* 28 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 4691#(<= 28 (+ (* 27 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 4692#(<= 54 (+ (* 26 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 4693#(<= 79 (+ (* 25 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 4694#(<= 103 (+ (* 24 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 4695#(<= 126 (+ (* 23 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 4696#(<= 148 (+ (* 22 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 4697#(<= 169 (+ (* 21 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 4698#(<= 189 (+ (* 20 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 4699#(<= 208 (+ (* 19 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 4700#(<= 226 (+ (* 18 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 4701#(<= 243 (+ (* 17 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 4702#(<= 259 (+ (* 16 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 4703#(<= 274 (+ (* 15 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 4704#(<= 288 (+ (* 14 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 4705#(<= 301 (+ (* 13 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 4706#(<= 313 (+ (* 12 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 4707#(<= 324 (+ (* 11 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 4708#(<= 334 (+ (* 10 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 4709#(<= 343 (+ (* 9 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 4710#(<= 351 (+ (* 8 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 4711#(<= 358 (+ (* 7 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 4712#(<= 364 (+ (* 6 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 4713#(<= 369 (+ (* 5 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 4714#(<= 373 (+ (* 4 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 4715#(<= 376 (+ (* 3 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 4716#(<= 378 (+ (* 2 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 4717#(<= 379 (+ ULTIMATE.start_main_~y~5 ULTIMATE.start_main_~x~5)), 4718#(<= 379 ULTIMATE.start_main_~x~5), 4719#(<= (+ ULTIMATE.start_main_~y~5 378) ULTIMATE.start_main_~x~5)] [2018-07-23 13:42:01,374 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 13:42:01,374 INFO L450 AbstractCegarLoop]: Interpolant automaton has 32 states [2018-07-23 13:42:01,374 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 32 interpolants. [2018-07-23 13:42:01,375 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=61, Invalid=931, Unknown=0, NotChecked=0, Total=992 [2018-07-23 13:42:01,375 INFO L87 Difference]: Start difference. First operand 63 states and 63 transitions. Second operand 32 states. [2018-07-23 13:42:01,719 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-07-23 13:42:01,720 INFO L93 Difference]: Finished difference Result 67 states and 67 transitions. [2018-07-23 13:42:01,720 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 32 states. [2018-07-23 13:42:01,720 INFO L78 Accepts]: Start accepts. Automaton has 32 states. Word has length 62 [2018-07-23 13:42:01,721 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-07-23 13:42:01,721 INFO L225 Difference]: With dead ends: 67 [2018-07-23 13:42:01,721 INFO L226 Difference]: Without dead ends: 65 [2018-07-23 13:42:01,722 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 13:42:01,722 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 65 states. [2018-07-23 13:42:01,743 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 65 to 65. [2018-07-23 13:42:01,743 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 65 states. [2018-07-23 13:42:01,743 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 65 states to 65 states and 65 transitions. [2018-07-23 13:42:01,744 INFO L78 Accepts]: Start accepts. Automaton has 65 states and 65 transitions. Word has length 62 [2018-07-23 13:42:01,744 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-07-23 13:42:01,744 INFO L471 AbstractCegarLoop]: Abstraction has 65 states and 65 transitions. [2018-07-23 13:42:01,744 INFO L472 AbstractCegarLoop]: Interpolant automaton has 32 states. [2018-07-23 13:42:01,744 INFO L276 IsEmpty]: Start isEmpty. Operand 65 states and 65 transitions. [2018-07-23 13:42:01,745 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 65 [2018-07-23 13:42:01,745 INFO L349 BasicCegarLoop]: Found error trace [2018-07-23 13:42:01,745 INFO L357 BasicCegarLoop]: trace histogram [31, 30, 1, 1, 1] [2018-07-23 13:42:01,745 INFO L414 AbstractCegarLoop]: === Iteration 31 === [ULTIMATE.startErr0AssertViolationASSERT]=== [2018-07-23 13:42:01,746 INFO L82 PathProgramCache]: Analyzing trace with hash -352884595, now seen corresponding path program 30 times [2018-07-23 13:42:01,746 INFO L69 tionRefinementEngine]: Using refinement strategy FixedRefinementStrategy [2018-07-23 13:42:01,771 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-07-23 13:42:02,024 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 13:42:02,024 INFO L309 seRefinementStrategy]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2018-07-23 13:42:02,025 INFO L324 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [32] total 32 [2018-07-23 13:42:02,025 INFO L142 lantAutomatonBuilder]: Constructing canonical interpolant automaton, with selfloop in false state [2018-07-23 13:42:02,025 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-07-23 13:42:02,026 INFO L185 omatonBuilderFactory]: Interpolants [4992#(<= 154 (+ (* 23 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 4993#(<= 176 (+ (* 22 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 4994#(<= 197 (+ (* 21 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 4995#(<= 217 (+ (* 20 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 4996#(<= 236 (+ (* 19 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 4997#(<= 254 (+ (* 18 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 4998#(<= 271 (+ (* 17 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 4999#(<= 287 (+ (* 16 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 5000#(<= 302 (+ (* 15 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 5001#(<= 316 (+ (* 14 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 5002#(<= 329 (+ (* 13 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 5003#(<= 341 (+ (* 12 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 5004#(<= 352 (+ (* 11 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 5005#(<= 362 (+ (* 10 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 5006#(<= 371 (+ (* 9 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 5007#(<= 379 (+ (* 8 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 5008#(<= 386 (+ (* 7 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 5009#(<= 392 (+ (* 6 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 5010#(<= 397 (+ (* 5 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 5011#(<= 401 (+ (* 4 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 5012#(<= 404 (+ (* 3 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 5013#(<= 406 (+ (* 2 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 5014#(<= 407 (+ ULTIMATE.start_main_~y~5 ULTIMATE.start_main_~x~5)), 5015#(<= 407 ULTIMATE.start_main_~x~5), 5016#(<= (+ ULTIMATE.start_main_~y~5 406) ULTIMATE.start_main_~x~5), 4984#true, 4985#false, 4986#(<= 1 (+ (* 29 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 4987#(<= 29 (+ (* 28 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 4988#(<= 56 (+ (* 27 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 4989#(<= 82 (+ (* 26 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 4990#(<= 107 (+ (* 25 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 4991#(<= 131 (+ (* 24 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5))] [2018-07-23 13:42:02,027 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 13:42:02,027 INFO L450 AbstractCegarLoop]: Interpolant automaton has 33 states [2018-07-23 13:42:02,027 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 33 interpolants. [2018-07-23 13:42:02,028 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=63, Invalid=993, Unknown=0, NotChecked=0, Total=1056 [2018-07-23 13:42:02,028 INFO L87 Difference]: Start difference. First operand 65 states and 65 transitions. Second operand 33 states. [2018-07-23 13:42:02,489 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-07-23 13:42:02,490 INFO L93 Difference]: Finished difference Result 69 states and 69 transitions. [2018-07-23 13:42:02,490 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 33 states. [2018-07-23 13:42:02,490 INFO L78 Accepts]: Start accepts. Automaton has 33 states. Word has length 64 [2018-07-23 13:42:02,490 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-07-23 13:42:02,491 INFO L225 Difference]: With dead ends: 69 [2018-07-23 13:42:02,491 INFO L226 Difference]: Without dead ends: 67 [2018-07-23 13:42:02,492 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 13:42:02,492 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 67 states. [2018-07-23 13:42:02,520 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 67 to 67. [2018-07-23 13:42:02,520 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 67 states. [2018-07-23 13:42:02,520 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 67 states to 67 states and 67 transitions. [2018-07-23 13:42:02,520 INFO L78 Accepts]: Start accepts. Automaton has 67 states and 67 transitions. Word has length 64 [2018-07-23 13:42:02,521 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-07-23 13:42:02,521 INFO L471 AbstractCegarLoop]: Abstraction has 67 states and 67 transitions. [2018-07-23 13:42:02,521 INFO L472 AbstractCegarLoop]: Interpolant automaton has 33 states. [2018-07-23 13:42:02,521 INFO L276 IsEmpty]: Start isEmpty. Operand 67 states and 67 transitions. [2018-07-23 13:42:02,521 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 67 [2018-07-23 13:42:02,522 INFO L349 BasicCegarLoop]: Found error trace [2018-07-23 13:42:02,522 INFO L357 BasicCegarLoop]: trace histogram [32, 31, 1, 1, 1] [2018-07-23 13:42:02,522 INFO L414 AbstractCegarLoop]: === Iteration 32 === [ULTIMATE.startErr0AssertViolationASSERT]=== [2018-07-23 13:42:02,522 INFO L82 PathProgramCache]: Analyzing trace with hash 180253577, now seen corresponding path program 31 times [2018-07-23 13:42:02,522 INFO L69 tionRefinementEngine]: Using refinement strategy FixedRefinementStrategy [2018-07-23 13:42:02,548 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-07-23 13:42:02,773 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 13:42:02,774 INFO L309 seRefinementStrategy]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2018-07-23 13:42:02,774 INFO L324 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [33] total 33 [2018-07-23 13:42:02,774 INFO L142 lantAutomatonBuilder]: Constructing canonical interpolant automaton, with selfloop in false state [2018-07-23 13:42:02,774 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-07-23 13:42:02,775 INFO L185 omatonBuilderFactory]: Interpolants [5312#(<= 400 (+ (* 9 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 5313#(<= 408 (+ (* 8 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 5314#(<= 415 (+ (* 7 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 5315#(<= 421 (+ (* 6 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 5316#(<= 426 (+ (* 5 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 5317#(<= 430 (+ (* 4 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 5318#(<= 433 (+ (* 3 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 5319#(<= 435 (+ (* 2 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 5320#(<= 436 (+ ULTIMATE.start_main_~y~5 ULTIMATE.start_main_~x~5)), 5321#(<= 436 ULTIMATE.start_main_~x~5), 5322#(<= (+ ULTIMATE.start_main_~y~5 435) ULTIMATE.start_main_~x~5), 5289#true, 5290#false, 5291#(<= 1 (+ (* 30 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 5292#(<= 30 (+ (* 29 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 5293#(<= 58 (+ (* 28 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 5294#(<= 85 (+ (* 27 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 5295#(<= 111 (+ (* 26 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 5296#(<= 136 (+ (* 25 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 5297#(<= 160 (+ (* 24 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 5298#(<= 183 (+ (* 23 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 5299#(<= 205 (+ (* 22 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 5300#(<= 226 (+ (* 21 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 5301#(<= 246 (+ (* 20 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 5302#(<= 265 (+ (* 19 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 5303#(<= 283 (+ (* 18 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 5304#(<= 300 (+ (* 17 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 5305#(<= 316 (+ (* 16 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 5306#(<= 331 (+ (* 15 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 5307#(<= 345 (+ (* 14 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 5308#(<= 358 (+ (* 13 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 5309#(<= 370 (+ (* 12 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 5310#(<= 381 (+ (* 11 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 5311#(<= 391 (+ (* 10 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5))] [2018-07-23 13:42:02,775 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 13:42:02,776 INFO L450 AbstractCegarLoop]: Interpolant automaton has 34 states [2018-07-23 13:42:02,776 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 34 interpolants. [2018-07-23 13:42:02,777 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=65, Invalid=1057, Unknown=0, NotChecked=0, Total=1122 [2018-07-23 13:42:02,777 INFO L87 Difference]: Start difference. First operand 67 states and 67 transitions. Second operand 34 states. [2018-07-23 13:42:03,134 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-07-23 13:42:03,134 INFO L93 Difference]: Finished difference Result 71 states and 71 transitions. [2018-07-23 13:42:03,134 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 34 states. [2018-07-23 13:42:03,134 INFO L78 Accepts]: Start accepts. Automaton has 34 states. Word has length 66 [2018-07-23 13:42:03,134 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-07-23 13:42:03,135 INFO L225 Difference]: With dead ends: 71 [2018-07-23 13:42:03,135 INFO L226 Difference]: Without dead ends: 69 [2018-07-23 13:42:03,136 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 13:42:03,136 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 69 states. [2018-07-23 13:42:03,153 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 69 to 69. [2018-07-23 13:42:03,153 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 69 states. [2018-07-23 13:42:03,154 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 69 states to 69 states and 69 transitions. [2018-07-23 13:42:03,154 INFO L78 Accepts]: Start accepts. Automaton has 69 states and 69 transitions. Word has length 66 [2018-07-23 13:42:03,154 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-07-23 13:42:03,154 INFO L471 AbstractCegarLoop]: Abstraction has 69 states and 69 transitions. [2018-07-23 13:42:03,154 INFO L472 AbstractCegarLoop]: Interpolant automaton has 34 states. [2018-07-23 13:42:03,155 INFO L276 IsEmpty]: Start isEmpty. Operand 69 states and 69 transitions. [2018-07-23 13:42:03,155 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 69 [2018-07-23 13:42:03,155 INFO L349 BasicCegarLoop]: Found error trace [2018-07-23 13:42:03,155 INFO L357 BasicCegarLoop]: trace histogram [33, 32, 1, 1, 1] [2018-07-23 13:42:03,155 INFO L414 AbstractCegarLoop]: === Iteration 33 === [ULTIMATE.startErr0AssertViolationASSERT]=== [2018-07-23 13:42:03,156 INFO L82 PathProgramCache]: Analyzing trace with hash 1424928645, now seen corresponding path program 32 times [2018-07-23 13:42:03,156 INFO L69 tionRefinementEngine]: Using refinement strategy FixedRefinementStrategy [2018-07-23 13:42:03,176 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-07-23 13:42:03,369 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 13:42:03,370 INFO L309 seRefinementStrategy]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2018-07-23 13:42:03,370 INFO L324 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [34] total 34 [2018-07-23 13:42:03,370 INFO L142 lantAutomatonBuilder]: Constructing canonical interpolant automaton, with selfloop in false state [2018-07-23 13:42:03,370 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-07-23 13:42:03,371 INFO L185 omatonBuilderFactory]: Interpolants [5632#(<= 460 (+ (* 4 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 5633#(<= 463 (+ (* 3 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 5634#(<= 465 (+ (* 2 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 5635#(<= 466 (+ ULTIMATE.start_main_~y~5 ULTIMATE.start_main_~x~5)), 5636#(<= 466 ULTIMATE.start_main_~x~5), 5637#(<= (+ ULTIMATE.start_main_~y~5 465) ULTIMATE.start_main_~x~5), 5603#true, 5604#false, 5605#(<= 1 (+ (* 31 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 5606#(<= 31 (+ (* 30 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 5607#(<= 60 (+ (* 29 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 5608#(<= 88 (+ (* 28 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 5609#(<= 115 (+ (* 27 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 5610#(<= 141 (+ (* 26 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 5611#(<= 166 (+ (* 25 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 5612#(<= 190 (+ (* 24 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 5613#(<= 213 (+ (* 23 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 5614#(<= 235 (+ (* 22 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 5615#(<= 256 (+ (* 21 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 5616#(<= 276 (+ (* 20 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 5617#(<= 295 (+ (* 19 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 5618#(<= 313 (+ (* 18 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 5619#(<= 330 (+ (* 17 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 5620#(<= 346 (+ (* 16 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 5621#(<= 361 (+ (* 15 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 5622#(<= 375 (+ (* 14 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 5623#(<= 388 (+ (* 13 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 5624#(<= 400 (+ (* 12 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 5625#(<= 411 (+ (* 11 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 5626#(<= 421 (+ (* 10 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 5627#(<= 430 (+ (* 9 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 5628#(<= 438 (+ (* 8 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 5629#(<= 445 (+ (* 7 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 5630#(<= 451 (+ (* 6 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 5631#(<= 456 (+ (* 5 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5))] [2018-07-23 13:42:03,372 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 13:42:03,372 INFO L450 AbstractCegarLoop]: Interpolant automaton has 35 states [2018-07-23 13:42:03,372 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 35 interpolants. [2018-07-23 13:42:03,373 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=67, Invalid=1123, Unknown=0, NotChecked=0, Total=1190 [2018-07-23 13:42:03,373 INFO L87 Difference]: Start difference. First operand 69 states and 69 transitions. Second operand 35 states. [2018-07-23 13:42:03,733 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-07-23 13:42:03,733 INFO L93 Difference]: Finished difference Result 73 states and 73 transitions. [2018-07-23 13:42:03,733 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 35 states. [2018-07-23 13:42:03,733 INFO L78 Accepts]: Start accepts. Automaton has 35 states. Word has length 68 [2018-07-23 13:42:03,734 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-07-23 13:42:03,734 INFO L225 Difference]: With dead ends: 73 [2018-07-23 13:42:03,734 INFO L226 Difference]: Without dead ends: 71 [2018-07-23 13:42:03,735 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 13:42:03,735 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 71 states. [2018-07-23 13:42:03,754 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 71 to 71. [2018-07-23 13:42:03,754 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 71 states. [2018-07-23 13:42:03,754 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 71 states to 71 states and 71 transitions. [2018-07-23 13:42:03,755 INFO L78 Accepts]: Start accepts. Automaton has 71 states and 71 transitions. Word has length 68 [2018-07-23 13:42:03,755 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-07-23 13:42:03,755 INFO L471 AbstractCegarLoop]: Abstraction has 71 states and 71 transitions. [2018-07-23 13:42:03,755 INFO L472 AbstractCegarLoop]: Interpolant automaton has 35 states. [2018-07-23 13:42:03,755 INFO L276 IsEmpty]: Start isEmpty. Operand 71 states and 71 transitions. [2018-07-23 13:42:03,756 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 71 [2018-07-23 13:42:03,756 INFO L349 BasicCegarLoop]: Found error trace [2018-07-23 13:42:03,756 INFO L357 BasicCegarLoop]: trace histogram [34, 33, 1, 1, 1] [2018-07-23 13:42:03,757 INFO L414 AbstractCegarLoop]: === Iteration 34 === [ULTIMATE.startErr0AssertViolationASSERT]=== [2018-07-23 13:42:03,757 INFO L82 PathProgramCache]: Analyzing trace with hash -738206591, now seen corresponding path program 33 times [2018-07-23 13:42:03,757 INFO L69 tionRefinementEngine]: Using refinement strategy FixedRefinementStrategy [2018-07-23 13:42:03,778 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-07-23 13:42:03,973 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 13:42:03,974 INFO L309 seRefinementStrategy]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2018-07-23 13:42:03,974 INFO L324 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [35] total 35 [2018-07-23 13:42:03,974 INFO L142 lantAutomatonBuilder]: Constructing canonical interpolant automaton, with selfloop in false state [2018-07-23 13:42:03,975 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-07-23 13:42:03,975 INFO L185 omatonBuilderFactory]: Interpolants [5952#(<= 469 (+ (* 8 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 5953#(<= 476 (+ (* 7 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 5954#(<= 482 (+ (* 6 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 5955#(<= 487 (+ (* 5 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 5956#(<= 491 (+ (* 4 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 5957#(<= 494 (+ (* 3 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 5958#(<= 496 (+ (* 2 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 5959#(<= 497 (+ ULTIMATE.start_main_~y~5 ULTIMATE.start_main_~x~5)), 5960#(<= 497 ULTIMATE.start_main_~x~5), 5961#(<= (+ ULTIMATE.start_main_~y~5 496) ULTIMATE.start_main_~x~5), 5926#true, 5927#false, 5928#(<= 1 (+ (* 32 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 5929#(<= 32 (+ (* 31 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 5930#(<= 62 (+ (* 30 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 5931#(<= 91 (+ (* 29 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 5932#(<= 119 (+ (* 28 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 5933#(<= 146 (+ (* 27 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 5934#(<= 172 (+ (* 26 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 5935#(<= 197 (+ (* 25 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 5936#(<= 221 (+ (* 24 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 5937#(<= 244 (+ (* 23 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 5938#(<= 266 (+ (* 22 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 5939#(<= 287 (+ (* 21 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 5940#(<= 307 (+ (* 20 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 5941#(<= 326 (+ (* 19 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 5942#(<= 344 (+ (* 18 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 5943#(<= 361 (+ (* 17 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 5944#(<= 377 (+ (* 16 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 5945#(<= 392 (+ (* 15 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 5946#(<= 406 (+ (* 14 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 5947#(<= 419 (+ (* 13 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 5948#(<= 431 (+ (* 12 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 5949#(<= 442 (+ (* 11 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 5950#(<= 452 (+ (* 10 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 5951#(<= 461 (+ (* 9 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5))] [2018-07-23 13:42:03,976 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 13:42:03,976 INFO L450 AbstractCegarLoop]: Interpolant automaton has 36 states [2018-07-23 13:42:03,976 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 36 interpolants. [2018-07-23 13:42:03,977 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=69, Invalid=1191, Unknown=0, NotChecked=0, Total=1260 [2018-07-23 13:42:03,979 INFO L87 Difference]: Start difference. First operand 71 states and 71 transitions. Second operand 36 states. [2018-07-23 13:42:04,341 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-07-23 13:42:04,341 INFO L93 Difference]: Finished difference Result 75 states and 75 transitions. [2018-07-23 13:42:04,341 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 36 states. [2018-07-23 13:42:04,342 INFO L78 Accepts]: Start accepts. Automaton has 36 states. Word has length 70 [2018-07-23 13:42:04,342 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-07-23 13:42:04,342 INFO L225 Difference]: With dead ends: 75 [2018-07-23 13:42:04,342 INFO L226 Difference]: Without dead ends: 73 [2018-07-23 13:42:04,343 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 13:42:04,344 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 73 states. [2018-07-23 13:42:04,363 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 73 to 73. [2018-07-23 13:42:04,363 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 73 states. [2018-07-23 13:42:04,363 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 73 states to 73 states and 73 transitions. [2018-07-23 13:42:04,364 INFO L78 Accepts]: Start accepts. Automaton has 73 states and 73 transitions. Word has length 70 [2018-07-23 13:42:04,364 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-07-23 13:42:04,364 INFO L471 AbstractCegarLoop]: Abstraction has 73 states and 73 transitions. [2018-07-23 13:42:04,364 INFO L472 AbstractCegarLoop]: Interpolant automaton has 36 states. [2018-07-23 13:42:04,364 INFO L276 IsEmpty]: Start isEmpty. Operand 73 states and 73 transitions. [2018-07-23 13:42:04,365 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 73 [2018-07-23 13:42:04,365 INFO L349 BasicCegarLoop]: Found error trace [2018-07-23 13:42:04,365 INFO L357 BasicCegarLoop]: trace histogram [35, 34, 1, 1, 1] [2018-07-23 13:42:04,365 INFO L414 AbstractCegarLoop]: === Iteration 35 === [ULTIMATE.startErr0AssertViolationASSERT]=== [2018-07-23 13:42:04,366 INFO L82 PathProgramCache]: Analyzing trace with hash -746997123, now seen corresponding path program 34 times [2018-07-23 13:42:04,366 INFO L69 tionRefinementEngine]: Using refinement strategy FixedRefinementStrategy [2018-07-23 13:42:04,391 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-07-23 13:42:04,606 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 13:42:04,606 INFO L309 seRefinementStrategy]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2018-07-23 13:42:04,606 INFO L324 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [36] total 36 [2018-07-23 13:42:04,607 INFO L142 lantAutomatonBuilder]: Constructing canonical interpolant automaton, with selfloop in false state [2018-07-23 13:42:04,607 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 13:42:04,607 INFO L185 omatonBuilderFactory]: Interpolants [6272#(<= 319 (+ (* 21 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 6273#(<= 339 (+ (* 20 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 6274#(<= 358 (+ (* 19 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 6275#(<= 376 (+ (* 18 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 6276#(<= 393 (+ (* 17 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 6277#(<= 409 (+ (* 16 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 6278#(<= 424 (+ (* 15 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 6279#(<= 438 (+ (* 14 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 6280#(<= 451 (+ (* 13 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 6281#(<= 463 (+ (* 12 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 6282#(<= 474 (+ (* 11 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 6283#(<= 484 (+ (* 10 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 6284#(<= 493 (+ (* 9 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 6285#(<= 501 (+ (* 8 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 6286#(<= 508 (+ (* 7 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 6287#(<= 514 (+ (* 6 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 6288#(<= 519 (+ (* 5 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 6289#(<= 523 (+ (* 4 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 6290#(<= 526 (+ (* 3 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 6291#(<= 528 (+ (* 2 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 6292#(<= 529 (+ ULTIMATE.start_main_~y~5 ULTIMATE.start_main_~x~5)), 6293#(<= 529 ULTIMATE.start_main_~x~5), 6294#(<= (+ ULTIMATE.start_main_~y~5 528) ULTIMATE.start_main_~x~5), 6258#true, 6259#false, 6260#(<= 1 (+ (* 33 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 6261#(<= 33 (+ (* 32 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 6262#(<= 64 (+ (* 31 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 6263#(<= 94 (+ (* 30 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 6264#(<= 123 (+ (* 29 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 6265#(<= 151 (+ (* 28 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 6266#(<= 178 (+ (* 27 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 6267#(<= 204 (+ (* 26 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 6268#(<= 229 (+ (* 25 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 6269#(<= 253 (+ (* 24 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 6270#(<= 276 (+ (* 23 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 6271#(<= 298 (+ (* 22 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5))] [2018-07-23 13:42:04,608 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 13:42:04,608 INFO L450 AbstractCegarLoop]: Interpolant automaton has 37 states [2018-07-23 13:42:04,608 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 37 interpolants. [2018-07-23 13:42:04,609 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=71, Invalid=1261, Unknown=0, NotChecked=0, Total=1332 [2018-07-23 13:42:04,609 INFO L87 Difference]: Start difference. First operand 73 states and 73 transitions. Second operand 37 states. [2018-07-23 13:42:04,993 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-07-23 13:42:04,993 INFO L93 Difference]: Finished difference Result 77 states and 77 transitions. [2018-07-23 13:42:04,993 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 37 states. [2018-07-23 13:42:04,994 INFO L78 Accepts]: Start accepts. Automaton has 37 states. Word has length 72 [2018-07-23 13:42:04,994 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-07-23 13:42:04,994 INFO L225 Difference]: With dead ends: 77 [2018-07-23 13:42:04,995 INFO L226 Difference]: Without dead ends: 75 [2018-07-23 13:42:04,996 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 13:42:04,996 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 75 states. [2018-07-23 13:42:05,017 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 75 to 75. [2018-07-23 13:42:05,017 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 75 states. [2018-07-23 13:42:05,017 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 75 states to 75 states and 75 transitions. [2018-07-23 13:42:05,018 INFO L78 Accepts]: Start accepts. Automaton has 75 states and 75 transitions. Word has length 72 [2018-07-23 13:42:05,018 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-07-23 13:42:05,018 INFO L471 AbstractCegarLoop]: Abstraction has 75 states and 75 transitions. [2018-07-23 13:42:05,018 INFO L472 AbstractCegarLoop]: Interpolant automaton has 37 states. [2018-07-23 13:42:05,018 INFO L276 IsEmpty]: Start isEmpty. Operand 75 states and 75 transitions. [2018-07-23 13:42:05,019 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 75 [2018-07-23 13:42:05,019 INFO L349 BasicCegarLoop]: Found error trace [2018-07-23 13:42:05,019 INFO L357 BasicCegarLoop]: trace histogram [36, 35, 1, 1, 1] [2018-07-23 13:42:05,019 INFO L414 AbstractCegarLoop]: === Iteration 36 === [ULTIMATE.startErr0AssertViolationASSERT]=== [2018-07-23 13:42:05,020 INFO L82 PathProgramCache]: Analyzing trace with hash -604763783, now seen corresponding path program 35 times [2018-07-23 13:42:05,020 INFO L69 tionRefinementEngine]: Using refinement strategy FixedRefinementStrategy [2018-07-23 13:42:05,049 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-07-23 13:42:05,307 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 13:42:05,311 INFO L309 seRefinementStrategy]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2018-07-23 13:42:05,312 INFO L324 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [37] total 37 [2018-07-23 13:42:05,312 INFO L142 lantAutomatonBuilder]: Constructing canonical interpolant automaton, with selfloop in false state [2018-07-23 13:42:05,312 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-07-23 13:42:05,313 INFO L185 omatonBuilderFactory]: Interpolants [6599#true, 6600#false, 6601#(<= 1 (+ (* 34 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 6602#(<= 34 (+ (* 33 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 6603#(<= 66 (+ (* 32 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 6604#(<= 97 (+ (* 31 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 6605#(<= 127 (+ (* 30 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 6606#(<= 156 (+ (* 29 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 6607#(<= 184 (+ (* 28 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 6608#(<= 211 (+ (* 27 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 6609#(<= 237 (+ (* 26 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 6610#(<= 262 (+ (* 25 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 6611#(<= 286 (+ (* 24 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 6612#(<= 309 (+ (* 23 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 6613#(<= 331 (+ (* 22 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 6614#(<= 352 (+ (* 21 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 6615#(<= 372 (+ (* 20 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 6616#(<= 391 (+ (* 19 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 6617#(<= 409 (+ (* 18 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 6618#(<= 426 (+ (* 17 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 6619#(<= 442 (+ (* 16 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 6620#(<= 457 (+ (* 15 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 6621#(<= 471 (+ (* 14 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 6622#(<= 484 (+ (* 13 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 6623#(<= 496 (+ (* 12 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 6624#(<= 507 (+ (* 11 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 6625#(<= 517 (+ (* 10 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 6626#(<= 526 (+ (* 9 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 6627#(<= 534 (+ (* 8 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 6628#(<= 541 (+ (* 7 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 6629#(<= 547 (+ (* 6 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 6630#(<= 552 (+ (* 5 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 6631#(<= 556 (+ (* 4 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 6632#(<= 559 (+ (* 3 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 6633#(<= 561 (+ (* 2 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 6634#(<= 562 (+ ULTIMATE.start_main_~y~5 ULTIMATE.start_main_~x~5)), 6635#(<= 562 ULTIMATE.start_main_~x~5), 6636#(<= (+ ULTIMATE.start_main_~y~5 561) ULTIMATE.start_main_~x~5)] [2018-07-23 13:42:05,313 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 13:42:05,313 INFO L450 AbstractCegarLoop]: Interpolant automaton has 38 states [2018-07-23 13:42:05,314 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 38 interpolants. [2018-07-23 13:42:05,314 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=73, Invalid=1333, Unknown=0, NotChecked=0, Total=1406 [2018-07-23 13:42:05,315 INFO L87 Difference]: Start difference. First operand 75 states and 75 transitions. Second operand 38 states. [2018-07-23 13:42:05,810 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-07-23 13:42:05,810 INFO L93 Difference]: Finished difference Result 79 states and 79 transitions. [2018-07-23 13:42:05,811 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 38 states. [2018-07-23 13:42:05,811 INFO L78 Accepts]: Start accepts. Automaton has 38 states. Word has length 74 [2018-07-23 13:42:05,811 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-07-23 13:42:05,820 INFO L225 Difference]: With dead ends: 79 [2018-07-23 13:42:05,820 INFO L226 Difference]: Without dead ends: 77 [2018-07-23 13:42:05,821 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 13:42:05,821 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 77 states. [2018-07-23 13:42:05,843 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 77 to 77. [2018-07-23 13:42:05,843 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 77 states. [2018-07-23 13:42:05,844 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 77 states to 77 states and 77 transitions. [2018-07-23 13:42:05,844 INFO L78 Accepts]: Start accepts. Automaton has 77 states and 77 transitions. Word has length 74 [2018-07-23 13:42:05,844 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-07-23 13:42:05,844 INFO L471 AbstractCegarLoop]: Abstraction has 77 states and 77 transitions. [2018-07-23 13:42:05,844 INFO L472 AbstractCegarLoop]: Interpolant automaton has 38 states. [2018-07-23 13:42:05,844 INFO L276 IsEmpty]: Start isEmpty. Operand 77 states and 77 transitions. [2018-07-23 13:42:05,845 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 77 [2018-07-23 13:42:05,845 INFO L349 BasicCegarLoop]: Found error trace [2018-07-23 13:42:05,845 INFO L357 BasicCegarLoop]: trace histogram [37, 36, 1, 1, 1] [2018-07-23 13:42:05,846 INFO L414 AbstractCegarLoop]: === Iteration 37 === [ULTIMATE.startErr0AssertViolationASSERT]=== [2018-07-23 13:42:05,846 INFO L82 PathProgramCache]: Analyzing trace with hash -1357477515, now seen corresponding path program 36 times [2018-07-23 13:42:05,846 INFO L69 tionRefinementEngine]: Using refinement strategy FixedRefinementStrategy [2018-07-23 13:42:05,871 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-07-23 13:42:06,088 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 13:42:06,088 INFO L309 seRefinementStrategy]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2018-07-23 13:42:06,089 INFO L324 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [38] total 38 [2018-07-23 13:42:06,089 INFO L142 lantAutomatonBuilder]: Constructing canonical interpolant automaton, with selfloop in false state [2018-07-23 13:42:06,089 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-07-23 13:42:06,090 INFO L185 omatonBuilderFactory]: Interpolants [6976#(<= 551 (+ (* 10 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 6977#(<= 560 (+ (* 9 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 6978#(<= 568 (+ (* 8 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 6979#(<= 575 (+ (* 7 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 6980#(<= 581 (+ (* 6 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 6981#(<= 586 (+ (* 5 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 6982#(<= 590 (+ (* 4 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 6983#(<= 593 (+ (* 3 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 6984#(<= 595 (+ (* 2 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 6985#(<= 596 (+ ULTIMATE.start_main_~y~5 ULTIMATE.start_main_~x~5)), 6986#(<= 596 ULTIMATE.start_main_~x~5), 6987#(<= (+ ULTIMATE.start_main_~y~5 595) ULTIMATE.start_main_~x~5), 6949#true, 6950#false, 6951#(<= 1 (+ (* 35 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 6952#(<= 35 (+ (* 34 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 6953#(<= 68 (+ (* 33 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 6954#(<= 100 (+ (* 32 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 6955#(<= 131 (+ (* 31 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 6956#(<= 161 (+ (* 30 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 6957#(<= 190 (+ (* 29 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 6958#(<= 218 (+ (* 28 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 6959#(<= 245 (+ (* 27 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 6960#(<= 271 (+ (* 26 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 6961#(<= 296 (+ (* 25 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 6962#(<= 320 (+ (* 24 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 6963#(<= 343 (+ (* 23 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 6964#(<= 365 (+ (* 22 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 6965#(<= 386 (+ (* 21 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 6966#(<= 406 (+ (* 20 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 6967#(<= 425 (+ (* 19 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 6968#(<= 443 (+ (* 18 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 6969#(<= 460 (+ (* 17 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 6970#(<= 476 (+ (* 16 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 6971#(<= 491 (+ (* 15 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 6972#(<= 505 (+ (* 14 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 6973#(<= 518 (+ (* 13 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 6974#(<= 530 (+ (* 12 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 6975#(<= 541 (+ (* 11 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5))] [2018-07-23 13:42:06,090 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 13:42:06,090 INFO L450 AbstractCegarLoop]: Interpolant automaton has 39 states [2018-07-23 13:42:06,090 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 39 interpolants. [2018-07-23 13:42:06,091 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=75, Invalid=1407, Unknown=0, NotChecked=0, Total=1482 [2018-07-23 13:42:06,092 INFO L87 Difference]: Start difference. First operand 77 states and 77 transitions. Second operand 39 states. [2018-07-23 13:42:06,491 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-07-23 13:42:06,492 INFO L93 Difference]: Finished difference Result 81 states and 81 transitions. [2018-07-23 13:42:06,492 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 39 states. [2018-07-23 13:42:06,492 INFO L78 Accepts]: Start accepts. Automaton has 39 states. Word has length 76 [2018-07-23 13:42:06,492 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-07-23 13:42:06,493 INFO L225 Difference]: With dead ends: 81 [2018-07-23 13:42:06,493 INFO L226 Difference]: Without dead ends: 79 [2018-07-23 13:42:06,494 INFO L575 BasicCegarLoop]: 0 DeclaredPredicates, 38 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 37 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=75, Invalid=1407, Unknown=0, NotChecked=0, Total=1482 [2018-07-23 13:42:06,494 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 79 states. [2018-07-23 13:42:06,514 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 79 to 79. [2018-07-23 13:42:06,514 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 79 states. [2018-07-23 13:42:06,514 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 79 states to 79 states and 79 transitions. [2018-07-23 13:42:06,514 INFO L78 Accepts]: Start accepts. Automaton has 79 states and 79 transitions. Word has length 76 [2018-07-23 13:42:06,515 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-07-23 13:42:06,515 INFO L471 AbstractCegarLoop]: Abstraction has 79 states and 79 transitions. [2018-07-23 13:42:06,515 INFO L472 AbstractCegarLoop]: Interpolant automaton has 39 states. [2018-07-23 13:42:06,515 INFO L276 IsEmpty]: Start isEmpty. Operand 79 states and 79 transitions. [2018-07-23 13:42:06,516 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 79 [2018-07-23 13:42:06,516 INFO L349 BasicCegarLoop]: Found error trace [2018-07-23 13:42:06,516 INFO L357 BasicCegarLoop]: trace histogram [38, 37, 1, 1, 1] [2018-07-23 13:42:06,516 INFO L414 AbstractCegarLoop]: === Iteration 38 === [ULTIMATE.startErr0AssertViolationASSERT]=== [2018-07-23 13:42:06,518 INFO L82 PathProgramCache]: Analyzing trace with hash 1134099057, now seen corresponding path program 37 times [2018-07-23 13:42:06,519 INFO L69 tionRefinementEngine]: Using refinement strategy FixedRefinementStrategy [2018-07-23 13:42:06,541 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-07-23 13:42:06,751 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 13:42:06,752 INFO L309 seRefinementStrategy]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2018-07-23 13:42:06,752 INFO L324 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [39] total 39 [2018-07-23 13:42:06,752 INFO L142 lantAutomatonBuilder]: Constructing canonical interpolant automaton, with selfloop in false state [2018-07-23 13:42:06,752 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-07-23 13:42:06,753 INFO L185 omatonBuilderFactory]: Interpolants [7308#true, 7309#false, 7310#(<= 1 (+ (* 36 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 7311#(<= 36 (+ (* 35 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 7312#(<= 70 (+ (* 34 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 7313#(<= 103 (+ (* 33 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 7314#(<= 135 (+ (* 32 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 7315#(<= 166 (+ (* 31 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 7316#(<= 196 (+ (* 30 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 7317#(<= 225 (+ (* 29 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 7318#(<= 253 (+ (* 28 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 7319#(<= 280 (+ (* 27 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 7320#(<= 306 (+ (* 26 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 7321#(<= 331 (+ (* 25 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 7322#(<= 355 (+ (* 24 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 7323#(<= 378 (+ (* 23 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 7324#(<= 400 (+ (* 22 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 7325#(<= 421 (+ (* 21 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 7326#(<= 441 (+ (* 20 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 7327#(<= 460 (+ (* 19 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 7328#(<= 478 (+ (* 18 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 7329#(<= 495 (+ (* 17 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 7330#(<= 511 (+ (* 16 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 7331#(<= 526 (+ (* 15 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 7332#(<= 540 (+ (* 14 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 7333#(<= 553 (+ (* 13 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 7334#(<= 565 (+ (* 12 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 7335#(<= 576 (+ (* 11 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 7336#(<= 586 (+ (* 10 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 7337#(<= 595 (+ (* 9 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 7338#(<= 603 (+ (* 8 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 7339#(<= 610 (+ (* 7 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 7340#(<= 616 (+ (* 6 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 7341#(<= 621 (+ (* 5 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 7342#(<= 625 (+ (* 4 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 7343#(<= 628 (+ (* 3 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 7344#(<= 630 (+ (* 2 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 7345#(<= 631 (+ ULTIMATE.start_main_~y~5 ULTIMATE.start_main_~x~5)), 7346#(<= 631 ULTIMATE.start_main_~x~5), 7347#(<= (+ ULTIMATE.start_main_~y~5 630) ULTIMATE.start_main_~x~5)] [2018-07-23 13:42:06,753 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 13:42:06,753 INFO L450 AbstractCegarLoop]: Interpolant automaton has 40 states [2018-07-23 13:42:06,754 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 40 interpolants. [2018-07-23 13:42:06,754 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=77, Invalid=1483, Unknown=0, NotChecked=0, Total=1560 [2018-07-23 13:42:06,755 INFO L87 Difference]: Start difference. First operand 79 states and 79 transitions. Second operand 40 states. [2018-07-23 13:42:07,191 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-07-23 13:42:07,192 INFO L93 Difference]: Finished difference Result 83 states and 83 transitions. [2018-07-23 13:42:07,192 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 40 states. [2018-07-23 13:42:07,192 INFO L78 Accepts]: Start accepts. Automaton has 40 states. Word has length 78 [2018-07-23 13:42:07,192 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-07-23 13:42:07,193 INFO L225 Difference]: With dead ends: 83 [2018-07-23 13:42:07,193 INFO L226 Difference]: Without dead ends: 81 [2018-07-23 13:42:07,194 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 13:42:07,194 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 81 states. [2018-07-23 13:42:07,218 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 81 to 81. [2018-07-23 13:42:07,218 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 81 states. [2018-07-23 13:42:07,219 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 81 states to 81 states and 81 transitions. [2018-07-23 13:42:07,219 INFO L78 Accepts]: Start accepts. Automaton has 81 states and 81 transitions. Word has length 78 [2018-07-23 13:42:07,219 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-07-23 13:42:07,219 INFO L471 AbstractCegarLoop]: Abstraction has 81 states and 81 transitions. [2018-07-23 13:42:07,219 INFO L472 AbstractCegarLoop]: Interpolant automaton has 40 states. [2018-07-23 13:42:07,220 INFO L276 IsEmpty]: Start isEmpty. Operand 81 states and 81 transitions. [2018-07-23 13:42:07,220 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 81 [2018-07-23 13:42:07,220 INFO L349 BasicCegarLoop]: Found error trace [2018-07-23 13:42:07,220 INFO L357 BasicCegarLoop]: trace histogram [39, 38, 1, 1, 1] [2018-07-23 13:42:07,221 INFO L414 AbstractCegarLoop]: === Iteration 39 === [ULTIMATE.startErr0AssertViolationASSERT]=== [2018-07-23 13:42:07,221 INFO L82 PathProgramCache]: Analyzing trace with hash -1052566419, now seen corresponding path program 38 times [2018-07-23 13:42:07,221 INFO L69 tionRefinementEngine]: Using refinement strategy FixedRefinementStrategy [2018-07-23 13:42:07,249 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-07-23 13:42:07,480 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 13:42:07,480 INFO L309 seRefinementStrategy]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2018-07-23 13:42:07,480 INFO L324 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [40] total 40 [2018-07-23 13:42:07,481 INFO L142 lantAutomatonBuilder]: Constructing canonical interpolant automaton, with selfloop in false state [2018-07-23 13:42:07,481 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-07-23 13:42:07,481 INFO L185 omatonBuilderFactory]: Interpolants [7680#(<= 72 (+ (* 35 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 7681#(<= 106 (+ (* 34 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 7682#(<= 139 (+ (* 33 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 7683#(<= 171 (+ (* 32 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 7684#(<= 202 (+ (* 31 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 7685#(<= 232 (+ (* 30 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 7686#(<= 261 (+ (* 29 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 7687#(<= 289 (+ (* 28 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 7688#(<= 316 (+ (* 27 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 7689#(<= 342 (+ (* 26 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 7690#(<= 367 (+ (* 25 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 7691#(<= 391 (+ (* 24 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 7692#(<= 414 (+ (* 23 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 7693#(<= 436 (+ (* 22 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 7694#(<= 457 (+ (* 21 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 7695#(<= 477 (+ (* 20 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 7696#(<= 496 (+ (* 19 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 7697#(<= 514 (+ (* 18 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 7698#(<= 531 (+ (* 17 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 7699#(<= 547 (+ (* 16 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 7700#(<= 562 (+ (* 15 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 7701#(<= 576 (+ (* 14 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 7702#(<= 589 (+ (* 13 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 7703#(<= 601 (+ (* 12 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 7704#(<= 612 (+ (* 11 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 7705#(<= 622 (+ (* 10 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 7706#(<= 631 (+ (* 9 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 7707#(<= 639 (+ (* 8 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 7708#(<= 646 (+ (* 7 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 7709#(<= 652 (+ (* 6 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 7710#(<= 657 (+ (* 5 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 7711#(<= 661 (+ (* 4 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 7712#(<= 664 (+ (* 3 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 7713#(<= 666 (+ (* 2 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 7714#(<= 667 (+ ULTIMATE.start_main_~y~5 ULTIMATE.start_main_~x~5)), 7715#(<= 667 ULTIMATE.start_main_~x~5), 7716#(<= (+ ULTIMATE.start_main_~y~5 666) ULTIMATE.start_main_~x~5), 7676#true, 7677#false, 7678#(<= 1 (+ (* 37 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 7679#(<= 37 (+ (* 36 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5))] [2018-07-23 13:42:07,482 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 13:42:07,482 INFO L450 AbstractCegarLoop]: Interpolant automaton has 41 states [2018-07-23 13:42:07,482 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 41 interpolants. [2018-07-23 13:42:07,483 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=79, Invalid=1561, Unknown=0, NotChecked=0, Total=1640 [2018-07-23 13:42:07,483 INFO L87 Difference]: Start difference. First operand 81 states and 81 transitions. Second operand 41 states. [2018-07-23 13:42:07,939 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-07-23 13:42:07,940 INFO L93 Difference]: Finished difference Result 85 states and 85 transitions. [2018-07-23 13:42:07,940 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 41 states. [2018-07-23 13:42:07,940 INFO L78 Accepts]: Start accepts. Automaton has 41 states. Word has length 80 [2018-07-23 13:42:07,940 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-07-23 13:42:07,941 INFO L225 Difference]: With dead ends: 85 [2018-07-23 13:42:07,941 INFO L226 Difference]: Without dead ends: 83 [2018-07-23 13:42:07,942 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 13:42:07,942 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 83 states. [2018-07-23 13:42:07,962 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 83 to 83. [2018-07-23 13:42:07,962 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 83 states. [2018-07-23 13:42:07,962 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 83 states to 83 states and 83 transitions. [2018-07-23 13:42:07,962 INFO L78 Accepts]: Start accepts. Automaton has 83 states and 83 transitions. Word has length 80 [2018-07-23 13:42:07,963 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-07-23 13:42:07,963 INFO L471 AbstractCegarLoop]: Abstraction has 83 states and 83 transitions. [2018-07-23 13:42:07,963 INFO L472 AbstractCegarLoop]: Interpolant automaton has 41 states. [2018-07-23 13:42:07,963 INFO L276 IsEmpty]: Start isEmpty. Operand 83 states and 83 transitions. [2018-07-23 13:42:07,964 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 83 [2018-07-23 13:42:07,964 INFO L349 BasicCegarLoop]: Found error trace [2018-07-23 13:42:07,964 INFO L357 BasicCegarLoop]: trace histogram [40, 39, 1, 1, 1] [2018-07-23 13:42:07,964 INFO L414 AbstractCegarLoop]: === Iteration 40 === [ULTIMATE.startErr0AssertViolationASSERT]=== [2018-07-23 13:42:07,964 INFO L82 PathProgramCache]: Analyzing trace with hash 2095886185, now seen corresponding path program 39 times [2018-07-23 13:42:07,964 INFO L69 tionRefinementEngine]: Using refinement strategy FixedRefinementStrategy [2018-07-23 13:42:07,991 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-07-23 13:42:08,216 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 13:42:08,217 INFO L309 seRefinementStrategy]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2018-07-23 13:42:08,217 INFO L324 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [41] total 41 [2018-07-23 13:42:08,217 INFO L142 lantAutomatonBuilder]: Constructing canonical interpolant automaton, with selfloop in false state [2018-07-23 13:42:08,217 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-07-23 13:42:08,218 INFO L185 omatonBuilderFactory]: Interpolants [8064#(<= 298 (+ (* 29 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 8065#(<= 326 (+ (* 28 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 8066#(<= 353 (+ (* 27 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 8067#(<= 379 (+ (* 26 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 8068#(<= 404 (+ (* 25 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 8069#(<= 428 (+ (* 24 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 8070#(<= 451 (+ (* 23 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 8071#(<= 473 (+ (* 22 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 8072#(<= 494 (+ (* 21 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 8073#(<= 514 (+ (* 20 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 8074#(<= 533 (+ (* 19 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 8075#(<= 551 (+ (* 18 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 8076#(<= 568 (+ (* 17 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 8077#(<= 584 (+ (* 16 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 8078#(<= 599 (+ (* 15 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 8079#(<= 613 (+ (* 14 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 8080#(<= 626 (+ (* 13 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 8081#(<= 638 (+ (* 12 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 8082#(<= 649 (+ (* 11 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 8083#(<= 659 (+ (* 10 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 8084#(<= 668 (+ (* 9 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 8085#(<= 676 (+ (* 8 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 8086#(<= 683 (+ (* 7 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 8087#(<= 689 (+ (* 6 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 8088#(<= 694 (+ (* 5 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 8089#(<= 698 (+ (* 4 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 8090#(<= 701 (+ (* 3 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 8091#(<= 703 (+ (* 2 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 8092#(<= 704 (+ ULTIMATE.start_main_~y~5 ULTIMATE.start_main_~x~5)), 8093#(<= 704 ULTIMATE.start_main_~x~5), 8094#(<= (+ ULTIMATE.start_main_~y~5 703) ULTIMATE.start_main_~x~5), 8053#true, 8054#false, 8055#(<= 1 (+ (* 38 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 8056#(<= 38 (+ (* 37 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 8057#(<= 74 (+ (* 36 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 8058#(<= 109 (+ (* 35 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 8059#(<= 143 (+ (* 34 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 8060#(<= 176 (+ (* 33 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 8061#(<= 208 (+ (* 32 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 8062#(<= 239 (+ (* 31 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 8063#(<= 269 (+ (* 30 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5))] [2018-07-23 13:42:08,218 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 13:42:08,218 INFO L450 AbstractCegarLoop]: Interpolant automaton has 42 states [2018-07-23 13:42:08,218 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 42 interpolants. [2018-07-23 13:42:08,219 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=81, Invalid=1641, Unknown=0, NotChecked=0, Total=1722 [2018-07-23 13:42:08,219 INFO L87 Difference]: Start difference. First operand 83 states and 83 transitions. Second operand 42 states. [2018-07-23 13:42:08,686 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-07-23 13:42:08,686 INFO L93 Difference]: Finished difference Result 87 states and 87 transitions. [2018-07-23 13:42:08,686 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 42 states. [2018-07-23 13:42:08,686 INFO L78 Accepts]: Start accepts. Automaton has 42 states. Word has length 82 [2018-07-23 13:42:08,687 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-07-23 13:42:08,687 INFO L225 Difference]: With dead ends: 87 [2018-07-23 13:42:08,687 INFO L226 Difference]: Without dead ends: 85 [2018-07-23 13:42:08,688 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 13:42:08,689 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 85 states. [2018-07-23 13:42:08,708 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 85 to 85. [2018-07-23 13:42:08,708 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 85 states. [2018-07-23 13:42:08,709 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 85 states to 85 states and 85 transitions. [2018-07-23 13:42:08,709 INFO L78 Accepts]: Start accepts. Automaton has 85 states and 85 transitions. Word has length 82 [2018-07-23 13:42:08,709 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-07-23 13:42:08,709 INFO L471 AbstractCegarLoop]: Abstraction has 85 states and 85 transitions. [2018-07-23 13:42:08,709 INFO L472 AbstractCegarLoop]: Interpolant automaton has 42 states. [2018-07-23 13:42:08,709 INFO L276 IsEmpty]: Start isEmpty. Operand 85 states and 85 transitions. [2018-07-23 13:42:08,710 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 85 [2018-07-23 13:42:08,710 INFO L349 BasicCegarLoop]: Found error trace [2018-07-23 13:42:08,710 INFO L357 BasicCegarLoop]: trace histogram [41, 40, 1, 1, 1] [2018-07-23 13:42:08,710 INFO L414 AbstractCegarLoop]: === Iteration 41 === [ULTIMATE.startErr0AssertViolationASSERT]=== [2018-07-23 13:42:08,711 INFO L82 PathProgramCache]: Analyzing trace with hash -193105051, now seen corresponding path program 40 times [2018-07-23 13:42:08,711 INFO L69 tionRefinementEngine]: Using refinement strategy FixedRefinementStrategy [2018-07-23 13:42:08,738 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-07-23 13:42:08,965 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 13:42:08,965 INFO L309 seRefinementStrategy]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2018-07-23 13:42:08,965 INFO L324 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [42] total 42 [2018-07-23 13:42:08,966 INFO L142 lantAutomatonBuilder]: Constructing canonical interpolant automaton, with selfloop in false state [2018-07-23 13:42:08,966 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 13:42:08,969 INFO L185 omatonBuilderFactory]: Interpolants [8448#(<= 246 (+ (* 32 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 8449#(<= 277 (+ (* 31 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 8450#(<= 307 (+ (* 30 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 8451#(<= 336 (+ (* 29 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 8452#(<= 364 (+ (* 28 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 8453#(<= 391 (+ (* 27 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 8454#(<= 417 (+ (* 26 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 8455#(<= 442 (+ (* 25 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 8456#(<= 466 (+ (* 24 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 8457#(<= 489 (+ (* 23 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 8458#(<= 511 (+ (* 22 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 8459#(<= 532 (+ (* 21 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 8460#(<= 552 (+ (* 20 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 8461#(<= 571 (+ (* 19 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 8462#(<= 589 (+ (* 18 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 8463#(<= 606 (+ (* 17 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 8464#(<= 622 (+ (* 16 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 8465#(<= 637 (+ (* 15 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 8466#(<= 651 (+ (* 14 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 8467#(<= 664 (+ (* 13 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 8468#(<= 676 (+ (* 12 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 8469#(<= 687 (+ (* 11 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 8470#(<= 697 (+ (* 10 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 8471#(<= 706 (+ (* 9 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 8472#(<= 714 (+ (* 8 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 8473#(<= 721 (+ (* 7 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 8474#(<= 727 (+ (* 6 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 8475#(<= 732 (+ (* 5 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 8476#(<= 736 (+ (* 4 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 8477#(<= 739 (+ (* 3 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 8478#(<= 741 (+ (* 2 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 8479#(<= 742 (+ ULTIMATE.start_main_~y~5 ULTIMATE.start_main_~x~5)), 8480#(<= 742 ULTIMATE.start_main_~x~5), 8481#(<= (+ ULTIMATE.start_main_~y~5 741) ULTIMATE.start_main_~x~5), 8439#true, 8440#false, 8441#(<= 1 (+ (* 39 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 8442#(<= 39 (+ (* 38 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 8443#(<= 76 (+ (* 37 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 8444#(<= 112 (+ (* 36 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 8445#(<= 147 (+ (* 35 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 8446#(<= 181 (+ (* 34 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 8447#(<= 214 (+ (* 33 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5))] [2018-07-23 13:42:08,970 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 13:42:08,970 INFO L450 AbstractCegarLoop]: Interpolant automaton has 43 states [2018-07-23 13:42:08,970 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 43 interpolants. [2018-07-23 13:42:08,971 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=83, Invalid=1723, Unknown=0, NotChecked=0, Total=1806 [2018-07-23 13:42:08,971 INFO L87 Difference]: Start difference. First operand 85 states and 85 transitions. Second operand 43 states. [2018-07-23 13:42:09,394 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-07-23 13:42:09,394 INFO L93 Difference]: Finished difference Result 89 states and 89 transitions. [2018-07-23 13:42:09,394 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 43 states. [2018-07-23 13:42:09,395 INFO L78 Accepts]: Start accepts. Automaton has 43 states. Word has length 84 [2018-07-23 13:42:09,395 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-07-23 13:42:09,395 INFO L225 Difference]: With dead ends: 89 [2018-07-23 13:42:09,395 INFO L226 Difference]: Without dead ends: 87 [2018-07-23 13:42:09,397 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 13:42:09,397 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 87 states. [2018-07-23 13:42:09,418 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 87 to 87. [2018-07-23 13:42:09,418 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 87 states. [2018-07-23 13:42:09,419 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 87 states to 87 states and 87 transitions. [2018-07-23 13:42:09,419 INFO L78 Accepts]: Start accepts. Automaton has 87 states and 87 transitions. Word has length 84 [2018-07-23 13:42:09,419 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-07-23 13:42:09,419 INFO L471 AbstractCegarLoop]: Abstraction has 87 states and 87 transitions. [2018-07-23 13:42:09,420 INFO L472 AbstractCegarLoop]: Interpolant automaton has 43 states. [2018-07-23 13:42:09,420 INFO L276 IsEmpty]: Start isEmpty. Operand 87 states and 87 transitions. [2018-07-23 13:42:09,420 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 87 [2018-07-23 13:42:09,420 INFO L349 BasicCegarLoop]: Found error trace [2018-07-23 13:42:09,421 INFO L357 BasicCegarLoop]: trace histogram [42, 41, 1, 1, 1] [2018-07-23 13:42:09,421 INFO L414 AbstractCegarLoop]: === Iteration 42 === [ULTIMATE.startErr0AssertViolationASSERT]=== [2018-07-23 13:42:09,421 INFO L82 PathProgramCache]: Analyzing trace with hash -890427295, now seen corresponding path program 41 times [2018-07-23 13:42:09,421 INFO L69 tionRefinementEngine]: Using refinement strategy FixedRefinementStrategy [2018-07-23 13:42:09,450 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-07-23 13:42:09,692 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 13:42:09,693 INFO L309 seRefinementStrategy]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2018-07-23 13:42:09,693 INFO L324 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [43] total 43 [2018-07-23 13:42:09,693 INFO L142 lantAutomatonBuilder]: Constructing canonical interpolant automaton, with selfloop in false state [2018-07-23 13:42:09,694 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-07-23 13:42:09,694 INFO L185 omatonBuilderFactory]: Interpolants [8834#true, 8835#false, 8836#(<= 1 (+ (* 40 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 8837#(<= 40 (+ (* 39 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 8838#(<= 78 (+ (* 38 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 8839#(<= 115 (+ (* 37 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 8840#(<= 151 (+ (* 36 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 8841#(<= 186 (+ (* 35 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 8842#(<= 220 (+ (* 34 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 8843#(<= 253 (+ (* 33 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 8844#(<= 285 (+ (* 32 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 8845#(<= 316 (+ (* 31 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 8846#(<= 346 (+ (* 30 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 8847#(<= 375 (+ (* 29 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 8848#(<= 403 (+ (* 28 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 8849#(<= 430 (+ (* 27 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 8850#(<= 456 (+ (* 26 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 8851#(<= 481 (+ (* 25 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 8852#(<= 505 (+ (* 24 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 8853#(<= 528 (+ (* 23 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 8854#(<= 550 (+ (* 22 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 8855#(<= 571 (+ (* 21 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 8856#(<= 591 (+ (* 20 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 8857#(<= 610 (+ (* 19 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 8858#(<= 628 (+ (* 18 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 8859#(<= 645 (+ (* 17 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 8860#(<= 661 (+ (* 16 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 8861#(<= 676 (+ (* 15 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 8862#(<= 690 (+ (* 14 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 8863#(<= 703 (+ (* 13 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 8864#(<= 715 (+ (* 12 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 8865#(<= 726 (+ (* 11 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 8866#(<= 736 (+ (* 10 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 8867#(<= 745 (+ (* 9 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 8868#(<= 753 (+ (* 8 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 8869#(<= 760 (+ (* 7 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 8870#(<= 766 (+ (* 6 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 8871#(<= 771 (+ (* 5 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 8872#(<= 775 (+ (* 4 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 8873#(<= 778 (+ (* 3 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 8874#(<= 780 (+ (* 2 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 8875#(<= 781 (+ ULTIMATE.start_main_~y~5 ULTIMATE.start_main_~x~5)), 8876#(<= 781 ULTIMATE.start_main_~x~5), 8877#(<= (+ ULTIMATE.start_main_~y~5 780) ULTIMATE.start_main_~x~5)] [2018-07-23 13:42:09,695 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 13:42:09,695 INFO L450 AbstractCegarLoop]: Interpolant automaton has 44 states [2018-07-23 13:42:09,695 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 44 interpolants. [2018-07-23 13:42:09,696 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=85, Invalid=1807, Unknown=0, NotChecked=0, Total=1892 [2018-07-23 13:42:09,697 INFO L87 Difference]: Start difference. First operand 87 states and 87 transitions. Second operand 44 states. [2018-07-23 13:42:10,188 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-07-23 13:42:10,189 INFO L93 Difference]: Finished difference Result 91 states and 91 transitions. [2018-07-23 13:42:10,189 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 44 states. [2018-07-23 13:42:10,189 INFO L78 Accepts]: Start accepts. Automaton has 44 states. Word has length 86 [2018-07-23 13:42:10,189 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-07-23 13:42:10,190 INFO L225 Difference]: With dead ends: 91 [2018-07-23 13:42:10,190 INFO L226 Difference]: Without dead ends: 89 [2018-07-23 13:42:10,191 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 13:42:10,191 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 89 states. [2018-07-23 13:42:10,215 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 89 to 89. [2018-07-23 13:42:10,215 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 89 states. [2018-07-23 13:42:10,216 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 89 states to 89 states and 89 transitions. [2018-07-23 13:42:10,216 INFO L78 Accepts]: Start accepts. Automaton has 89 states and 89 transitions. Word has length 86 [2018-07-23 13:42:10,216 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-07-23 13:42:10,216 INFO L471 AbstractCegarLoop]: Abstraction has 89 states and 89 transitions. [2018-07-23 13:42:10,216 INFO L472 AbstractCegarLoop]: Interpolant automaton has 44 states. [2018-07-23 13:42:10,216 INFO L276 IsEmpty]: Start isEmpty. Operand 89 states and 89 transitions. [2018-07-23 13:42:10,217 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 89 [2018-07-23 13:42:10,217 INFO L349 BasicCegarLoop]: Found error trace [2018-07-23 13:42:10,217 INFO L357 BasicCegarLoop]: trace histogram [43, 42, 1, 1, 1] [2018-07-23 13:42:10,218 INFO L414 AbstractCegarLoop]: === Iteration 43 === [ULTIMATE.startErr0AssertViolationASSERT]=== [2018-07-23 13:42:10,218 INFO L82 PathProgramCache]: Analyzing trace with hash -1002205603, now seen corresponding path program 42 times [2018-07-23 13:42:10,218 INFO L69 tionRefinementEngine]: Using refinement strategy FixedRefinementStrategy [2018-07-23 13:42:10,253 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-07-23 13:42:10,492 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 13:42:10,493 INFO L309 seRefinementStrategy]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2018-07-23 13:42:10,493 INFO L324 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [44] total 44 [2018-07-23 13:42:10,493 INFO L142 lantAutomatonBuilder]: Constructing canonical interpolant automaton, with selfloop in false state [2018-07-23 13:42:10,493 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-07-23 13:42:10,494 INFO L185 omatonBuilderFactory]: Interpolants [9280#(<= 821 (+ ULTIMATE.start_main_~y~5 ULTIMATE.start_main_~x~5)), 9281#(<= 821 ULTIMATE.start_main_~x~5), 9282#(<= (+ ULTIMATE.start_main_~y~5 820) ULTIMATE.start_main_~x~5), 9238#true, 9239#false, 9240#(<= 1 (+ (* 41 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 9241#(<= 41 (+ (* 40 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 9242#(<= 80 (+ (* 39 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 9243#(<= 118 (+ (* 38 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 9244#(<= 155 (+ (* 37 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 9245#(<= 191 (+ (* 36 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 9246#(<= 226 (+ (* 35 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 9247#(<= 260 (+ (* 34 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 9248#(<= 293 (+ (* 33 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 9249#(<= 325 (+ (* 32 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 9250#(<= 356 (+ (* 31 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 9251#(<= 386 (+ (* 30 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 9252#(<= 415 (+ (* 29 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 9253#(<= 443 (+ (* 28 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 9254#(<= 470 (+ (* 27 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 9255#(<= 496 (+ (* 26 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 9256#(<= 521 (+ (* 25 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 9257#(<= 545 (+ (* 24 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 9258#(<= 568 (+ (* 23 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 9259#(<= 590 (+ (* 22 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 9260#(<= 611 (+ (* 21 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 9261#(<= 631 (+ (* 20 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 9262#(<= 650 (+ (* 19 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 9263#(<= 668 (+ (* 18 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 9264#(<= 685 (+ (* 17 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 9265#(<= 701 (+ (* 16 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 9266#(<= 716 (+ (* 15 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 9267#(<= 730 (+ (* 14 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 9268#(<= 743 (+ (* 13 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 9269#(<= 755 (+ (* 12 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 9270#(<= 766 (+ (* 11 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 9271#(<= 776 (+ (* 10 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 9272#(<= 785 (+ (* 9 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 9273#(<= 793 (+ (* 8 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 9274#(<= 800 (+ (* 7 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 9275#(<= 806 (+ (* 6 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 9276#(<= 811 (+ (* 5 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 9277#(<= 815 (+ (* 4 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 9278#(<= 818 (+ (* 3 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 9279#(<= 820 (+ (* 2 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5))] [2018-07-23 13:42:10,494 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 13:42:10,494 INFO L450 AbstractCegarLoop]: Interpolant automaton has 45 states [2018-07-23 13:42:10,495 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 45 interpolants. [2018-07-23 13:42:10,495 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=87, Invalid=1893, Unknown=0, NotChecked=0, Total=1980 [2018-07-23 13:42:10,496 INFO L87 Difference]: Start difference. First operand 89 states and 89 transitions. Second operand 45 states. [2018-07-23 13:42:10,949 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-07-23 13:42:10,949 INFO L93 Difference]: Finished difference Result 93 states and 93 transitions. [2018-07-23 13:42:10,949 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 45 states. [2018-07-23 13:42:10,950 INFO L78 Accepts]: Start accepts. Automaton has 45 states. Word has length 88 [2018-07-23 13:42:10,950 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-07-23 13:42:10,950 INFO L225 Difference]: With dead ends: 93 [2018-07-23 13:42:10,951 INFO L226 Difference]: Without dead ends: 91 [2018-07-23 13:42:10,952 INFO L575 BasicCegarLoop]: 0 DeclaredPredicates, 44 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 43 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=87, Invalid=1893, Unknown=0, NotChecked=0, Total=1980 [2018-07-23 13:42:10,952 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 91 states. [2018-07-23 13:42:10,972 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 91 to 91. [2018-07-23 13:42:10,973 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 91 states. [2018-07-23 13:42:10,973 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 91 states to 91 states and 91 transitions. [2018-07-23 13:42:10,973 INFO L78 Accepts]: Start accepts. Automaton has 91 states and 91 transitions. Word has length 88 [2018-07-23 13:42:10,973 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-07-23 13:42:10,973 INFO L471 AbstractCegarLoop]: Abstraction has 91 states and 91 transitions. [2018-07-23 13:42:10,974 INFO L472 AbstractCegarLoop]: Interpolant automaton has 45 states. [2018-07-23 13:42:10,974 INFO L276 IsEmpty]: Start isEmpty. Operand 91 states and 91 transitions. [2018-07-23 13:42:10,974 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 91 [2018-07-23 13:42:10,974 INFO L349 BasicCegarLoop]: Found error trace [2018-07-23 13:42:10,975 INFO L357 BasicCegarLoop]: trace histogram [44, 43, 1, 1, 1] [2018-07-23 13:42:10,975 INFO L414 AbstractCegarLoop]: === Iteration 44 === [ULTIMATE.startErr0AssertViolationASSERT]=== [2018-07-23 13:42:10,975 INFO L82 PathProgramCache]: Analyzing trace with hash -1046977191, now seen corresponding path program 43 times [2018-07-23 13:42:10,975 INFO L69 tionRefinementEngine]: Using refinement strategy FixedRefinementStrategy [2018-07-23 13:42:11,006 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-07-23 13:42:11,311 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 13:42:11,311 INFO L309 seRefinementStrategy]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2018-07-23 13:42:11,311 INFO L324 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [45] total 45 [2018-07-23 13:42:11,312 INFO L142 lantAutomatonBuilder]: Constructing canonical interpolant automaton, with selfloop in false state [2018-07-23 13:42:11,312 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-07-23 13:42:11,313 INFO L185 omatonBuilderFactory]: Interpolants [9664#(<= 397 (+ (* 31 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 9665#(<= 427 (+ (* 30 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 9666#(<= 456 (+ (* 29 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 9667#(<= 484 (+ (* 28 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 9668#(<= 511 (+ (* 27 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 9669#(<= 537 (+ (* 26 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 9670#(<= 562 (+ (* 25 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 9671#(<= 586 (+ (* 24 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 9672#(<= 609 (+ (* 23 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 9673#(<= 631 (+ (* 22 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 9674#(<= 652 (+ (* 21 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 9675#(<= 672 (+ (* 20 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 9676#(<= 691 (+ (* 19 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 9677#(<= 709 (+ (* 18 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 9678#(<= 726 (+ (* 17 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 9679#(<= 742 (+ (* 16 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 9680#(<= 757 (+ (* 15 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 9681#(<= 771 (+ (* 14 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 9682#(<= 784 (+ (* 13 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 9683#(<= 796 (+ (* 12 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 9684#(<= 807 (+ (* 11 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 9685#(<= 817 (+ (* 10 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 9686#(<= 826 (+ (* 9 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 9687#(<= 834 (+ (* 8 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 9688#(<= 841 (+ (* 7 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 9689#(<= 847 (+ (* 6 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 9690#(<= 852 (+ (* 5 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 9691#(<= 856 (+ (* 4 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 9692#(<= 859 (+ (* 3 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 9693#(<= 861 (+ (* 2 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 9694#(<= 862 (+ ULTIMATE.start_main_~y~5 ULTIMATE.start_main_~x~5)), 9695#(<= 862 ULTIMATE.start_main_~x~5), 9696#(<= (+ ULTIMATE.start_main_~y~5 861) ULTIMATE.start_main_~x~5), 9651#true, 9652#false, 9653#(<= 1 (+ (* 42 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 9654#(<= 42 (+ (* 41 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 9655#(<= 82 (+ (* 40 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 9656#(<= 121 (+ (* 39 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 9657#(<= 159 (+ (* 38 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 9658#(<= 196 (+ (* 37 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 9659#(<= 232 (+ (* 36 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 9660#(<= 267 (+ (* 35 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 9661#(<= 301 (+ (* 34 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 9662#(<= 334 (+ (* 33 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 9663#(<= 366 (+ (* 32 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5))] [2018-07-23 13:42:11,313 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 13:42:11,313 INFO L450 AbstractCegarLoop]: Interpolant automaton has 46 states [2018-07-23 13:42:11,313 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 46 interpolants. [2018-07-23 13:42:11,314 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=89, Invalid=1981, Unknown=0, NotChecked=0, Total=2070 [2018-07-23 13:42:11,315 INFO L87 Difference]: Start difference. First operand 91 states and 91 transitions. Second operand 46 states. [2018-07-23 13:42:11,867 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-07-23 13:42:11,867 INFO L93 Difference]: Finished difference Result 95 states and 95 transitions. [2018-07-23 13:42:11,867 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 46 states. [2018-07-23 13:42:11,867 INFO L78 Accepts]: Start accepts. Automaton has 46 states. Word has length 90 [2018-07-23 13:42:11,868 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-07-23 13:42:11,868 INFO L225 Difference]: With dead ends: 95 [2018-07-23 13:42:11,868 INFO L226 Difference]: Without dead ends: 93 [2018-07-23 13:42:11,870 INFO L575 BasicCegarLoop]: 0 DeclaredPredicates, 45 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 44 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=89, Invalid=1981, Unknown=0, NotChecked=0, Total=2070 [2018-07-23 13:42:11,870 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 93 states. [2018-07-23 13:42:11,891 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 93 to 93. [2018-07-23 13:42:11,891 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 93 states. [2018-07-23 13:42:11,891 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 93 states to 93 states and 93 transitions. [2018-07-23 13:42:11,892 INFO L78 Accepts]: Start accepts. Automaton has 93 states and 93 transitions. Word has length 90 [2018-07-23 13:42:11,892 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-07-23 13:42:11,892 INFO L471 AbstractCegarLoop]: Abstraction has 93 states and 93 transitions. [2018-07-23 13:42:11,892 INFO L472 AbstractCegarLoop]: Interpolant automaton has 46 states. [2018-07-23 13:42:11,892 INFO L276 IsEmpty]: Start isEmpty. Operand 93 states and 93 transitions. [2018-07-23 13:42:11,893 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 93 [2018-07-23 13:42:11,893 INFO L349 BasicCegarLoop]: Found error trace [2018-07-23 13:42:11,893 INFO L357 BasicCegarLoop]: trace histogram [45, 44, 1, 1, 1] [2018-07-23 13:42:11,893 INFO L414 AbstractCegarLoop]: === Iteration 45 === [ULTIMATE.startErr0AssertViolationASSERT]=== [2018-07-23 13:42:11,894 INFO L82 PathProgramCache]: Analyzing trace with hash -1122800299, now seen corresponding path program 44 times [2018-07-23 13:42:11,894 INFO L69 tionRefinementEngine]: Using refinement strategy FixedRefinementStrategy [2018-07-23 13:42:11,927 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-07-23 13:42:12,206 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 13:42:12,206 INFO L309 seRefinementStrategy]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2018-07-23 13:42:12,209 INFO L324 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [46] total 46 [2018-07-23 13:42:12,209 INFO L142 lantAutomatonBuilder]: Constructing canonical interpolant automaton, with selfloop in false state [2018-07-23 13:42:12,210 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 13:42:12,210 INFO L185 omatonBuilderFactory]: Interpolants [10112#(<= 889 (+ (* 6 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 10113#(<= 894 (+ (* 5 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 10114#(<= 898 (+ (* 4 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 10115#(<= 901 (+ (* 3 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 10116#(<= 903 (+ (* 2 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 10117#(<= 904 (+ ULTIMATE.start_main_~y~5 ULTIMATE.start_main_~x~5)), 10118#(<= 904 ULTIMATE.start_main_~x~5), 10119#(<= (+ ULTIMATE.start_main_~y~5 903) ULTIMATE.start_main_~x~5), 10073#true, 10074#false, 10075#(<= 1 (+ (* 43 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 10076#(<= 43 (+ (* 42 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 10077#(<= 84 (+ (* 41 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 10078#(<= 124 (+ (* 40 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 10079#(<= 163 (+ (* 39 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 10080#(<= 201 (+ (* 38 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 10081#(<= 238 (+ (* 37 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 10082#(<= 274 (+ (* 36 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 10083#(<= 309 (+ (* 35 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 10084#(<= 343 (+ (* 34 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 10085#(<= 376 (+ (* 33 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 10086#(<= 408 (+ (* 32 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 10087#(<= 439 (+ (* 31 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 10088#(<= 469 (+ (* 30 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 10089#(<= 498 (+ (* 29 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 10090#(<= 526 (+ (* 28 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 10091#(<= 553 (+ (* 27 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 10092#(<= 579 (+ (* 26 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 10093#(<= 604 (+ (* 25 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 10094#(<= 628 (+ (* 24 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 10095#(<= 651 (+ (* 23 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 10096#(<= 673 (+ (* 22 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 10097#(<= 694 (+ (* 21 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 10098#(<= 714 (+ (* 20 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 10099#(<= 733 (+ (* 19 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 10100#(<= 751 (+ (* 18 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 10101#(<= 768 (+ (* 17 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 10102#(<= 784 (+ (* 16 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 10103#(<= 799 (+ (* 15 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 10104#(<= 813 (+ (* 14 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 10105#(<= 826 (+ (* 13 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 10106#(<= 838 (+ (* 12 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 10107#(<= 849 (+ (* 11 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 10108#(<= 859 (+ (* 10 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 10109#(<= 868 (+ (* 9 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 10110#(<= 876 (+ (* 8 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 10111#(<= 883 (+ (* 7 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5))] [2018-07-23 13:42:12,211 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 13:42:12,211 INFO L450 AbstractCegarLoop]: Interpolant automaton has 47 states [2018-07-23 13:42:12,211 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 47 interpolants. [2018-07-23 13:42:12,213 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=91, Invalid=2071, Unknown=0, NotChecked=0, Total=2162 [2018-07-23 13:42:12,214 INFO L87 Difference]: Start difference. First operand 93 states and 93 transitions. Second operand 47 states. [2018-07-23 13:42:12,572 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-07-23 13:42:12,572 INFO L93 Difference]: Finished difference Result 97 states and 97 transitions. [2018-07-23 13:42:12,572 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 47 states. [2018-07-23 13:42:12,572 INFO L78 Accepts]: Start accepts. Automaton has 47 states. Word has length 92 [2018-07-23 13:42:12,572 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-07-23 13:42:12,573 INFO L225 Difference]: With dead ends: 97 [2018-07-23 13:42:12,573 INFO L226 Difference]: Without dead ends: 95 [2018-07-23 13:42:12,574 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 13:42:12,574 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 95 states. [2018-07-23 13:42:12,595 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 95 to 95. [2018-07-23 13:42:12,595 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 95 states. [2018-07-23 13:42:12,596 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 95 states to 95 states and 95 transitions. [2018-07-23 13:42:12,596 INFO L78 Accepts]: Start accepts. Automaton has 95 states and 95 transitions. Word has length 92 [2018-07-23 13:42:12,596 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-07-23 13:42:12,596 INFO L471 AbstractCegarLoop]: Abstraction has 95 states and 95 transitions. [2018-07-23 13:42:12,596 INFO L472 AbstractCegarLoop]: Interpolant automaton has 47 states. [2018-07-23 13:42:12,596 INFO L276 IsEmpty]: Start isEmpty. Operand 95 states and 95 transitions. [2018-07-23 13:42:12,597 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 95 [2018-07-23 13:42:12,597 INFO L349 BasicCegarLoop]: Found error trace [2018-07-23 13:42:12,597 INFO L357 BasicCegarLoop]: trace histogram [46, 45, 1, 1, 1] [2018-07-23 13:42:12,597 INFO L414 AbstractCegarLoop]: === Iteration 46 === [ULTIMATE.startErr0AssertViolationASSERT]=== [2018-07-23 13:42:12,598 INFO L82 PathProgramCache]: Analyzing trace with hash -974363055, now seen corresponding path program 45 times [2018-07-23 13:42:12,598 INFO L69 tionRefinementEngine]: Using refinement strategy FixedRefinementStrategy [2018-07-23 13:42:12,631 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-07-23 13:42:12,908 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 13:42:12,908 INFO L309 seRefinementStrategy]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2018-07-23 13:42:12,909 INFO L324 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [47] total 47 [2018-07-23 13:42:12,909 INFO L142 lantAutomatonBuilder]: Constructing canonical interpolant automaton, with selfloop in false state [2018-07-23 13:42:12,909 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-07-23 13:42:12,909 INFO L185 omatonBuilderFactory]: Interpolants [10504#true, 10505#false, 10506#(<= 1 (+ (* 44 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 10507#(<= 44 (+ (* 43 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 10508#(<= 86 (+ (* 42 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 10509#(<= 127 (+ (* 41 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 10510#(<= 167 (+ (* 40 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 10511#(<= 206 (+ (* 39 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 10512#(<= 244 (+ (* 38 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 10513#(<= 281 (+ (* 37 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 10514#(<= 317 (+ (* 36 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 10515#(<= 352 (+ (* 35 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 10516#(<= 386 (+ (* 34 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 10517#(<= 419 (+ (* 33 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 10518#(<= 451 (+ (* 32 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 10519#(<= 482 (+ (* 31 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 10520#(<= 512 (+ (* 30 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 10521#(<= 541 (+ (* 29 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 10522#(<= 569 (+ (* 28 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 10523#(<= 596 (+ (* 27 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 10524#(<= 622 (+ (* 26 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 10525#(<= 647 (+ (* 25 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 10526#(<= 671 (+ (* 24 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 10527#(<= 694 (+ (* 23 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 10528#(<= 716 (+ (* 22 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 10529#(<= 737 (+ (* 21 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 10530#(<= 757 (+ (* 20 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 10531#(<= 776 (+ (* 19 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 10532#(<= 794 (+ (* 18 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 10533#(<= 811 (+ (* 17 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 10534#(<= 827 (+ (* 16 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 10535#(<= 842 (+ (* 15 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 10536#(<= 856 (+ (* 14 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 10537#(<= 869 (+ (* 13 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 10538#(<= 881 (+ (* 12 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 10539#(<= 892 (+ (* 11 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 10540#(<= 902 (+ (* 10 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 10541#(<= 911 (+ (* 9 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 10542#(<= 919 (+ (* 8 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 10543#(<= 926 (+ (* 7 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 10544#(<= 932 (+ (* 6 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 10545#(<= 937 (+ (* 5 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 10546#(<= 941 (+ (* 4 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 10547#(<= 944 (+ (* 3 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 10548#(<= 946 (+ (* 2 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 10549#(<= 947 (+ ULTIMATE.start_main_~y~5 ULTIMATE.start_main_~x~5)), 10550#(<= 947 ULTIMATE.start_main_~x~5), 10551#(<= (+ ULTIMATE.start_main_~y~5 946) ULTIMATE.start_main_~x~5)] [2018-07-23 13:42:12,910 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 13:42:12,910 INFO L450 AbstractCegarLoop]: Interpolant automaton has 48 states [2018-07-23 13:42:12,910 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 48 interpolants. [2018-07-23 13:42:12,911 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=93, Invalid=2163, Unknown=0, NotChecked=0, Total=2256 [2018-07-23 13:42:12,911 INFO L87 Difference]: Start difference. First operand 95 states and 95 transitions. Second operand 48 states. [2018-07-23 13:42:13,468 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-07-23 13:42:13,468 INFO L93 Difference]: Finished difference Result 99 states and 99 transitions. [2018-07-23 13:42:13,469 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 48 states. [2018-07-23 13:42:13,469 INFO L78 Accepts]: Start accepts. Automaton has 48 states. Word has length 94 [2018-07-23 13:42:13,469 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-07-23 13:42:13,470 INFO L225 Difference]: With dead ends: 99 [2018-07-23 13:42:13,470 INFO L226 Difference]: Without dead ends: 97 [2018-07-23 13:42:13,471 INFO L575 BasicCegarLoop]: 0 DeclaredPredicates, 47 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 46 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=93, Invalid=2163, Unknown=0, NotChecked=0, Total=2256 [2018-07-23 13:42:13,471 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 97 states. [2018-07-23 13:42:13,495 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 97 to 97. [2018-07-23 13:42:13,496 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 97 states. [2018-07-23 13:42:13,496 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 97 states to 97 states and 97 transitions. [2018-07-23 13:42:13,496 INFO L78 Accepts]: Start accepts. Automaton has 97 states and 97 transitions. Word has length 94 [2018-07-23 13:42:13,497 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-07-23 13:42:13,497 INFO L471 AbstractCegarLoop]: Abstraction has 97 states and 97 transitions. [2018-07-23 13:42:13,497 INFO L472 AbstractCegarLoop]: Interpolant automaton has 48 states. [2018-07-23 13:42:13,497 INFO L276 IsEmpty]: Start isEmpty. Operand 97 states and 97 transitions. [2018-07-23 13:42:13,497 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 97 [2018-07-23 13:42:13,498 INFO L349 BasicCegarLoop]: Found error trace [2018-07-23 13:42:13,498 INFO L357 BasicCegarLoop]: trace histogram [47, 46, 1, 1, 1] [2018-07-23 13:42:13,498 INFO L414 AbstractCegarLoop]: === Iteration 47 === [ULTIMATE.startErr0AssertViolationASSERT]=== [2018-07-23 13:42:13,498 INFO L82 PathProgramCache]: Analyzing trace with hash -60092339, now seen corresponding path program 46 times [2018-07-23 13:42:13,498 INFO L69 tionRefinementEngine]: Using refinement strategy FixedRefinementStrategy [2018-07-23 13:42:13,538 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-07-23 13:42:13,821 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 13:42:13,822 INFO L309 seRefinementStrategy]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2018-07-23 13:42:13,822 INFO L324 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [48] total 48 [2018-07-23 13:42:13,822 INFO L142 lantAutomatonBuilder]: Constructing canonical interpolant automaton, with selfloop in false state [2018-07-23 13:42:13,822 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-07-23 13:42:13,823 INFO L185 omatonBuilderFactory]: Interpolants [10944#true, 10945#false, 10946#(<= 1 (+ (* 45 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 10947#(<= 45 (+ (* 44 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 10948#(<= 88 (+ (* 43 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 10949#(<= 130 (+ (* 42 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 10950#(<= 171 (+ (* 41 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 10951#(<= 211 (+ (* 40 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 10952#(<= 250 (+ (* 39 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 10953#(<= 288 (+ (* 38 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 10954#(<= 325 (+ (* 37 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 10955#(<= 361 (+ (* 36 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 10956#(<= 396 (+ (* 35 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 10957#(<= 430 (+ (* 34 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 10958#(<= 463 (+ (* 33 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 10959#(<= 495 (+ (* 32 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 10960#(<= 526 (+ (* 31 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 10961#(<= 556 (+ (* 30 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 10962#(<= 585 (+ (* 29 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 10963#(<= 613 (+ (* 28 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 10964#(<= 640 (+ (* 27 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 10965#(<= 666 (+ (* 26 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 10966#(<= 691 (+ (* 25 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 10967#(<= 715 (+ (* 24 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 10968#(<= 738 (+ (* 23 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 10969#(<= 760 (+ (* 22 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 10970#(<= 781 (+ (* 21 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 10971#(<= 801 (+ (* 20 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 10972#(<= 820 (+ (* 19 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 10973#(<= 838 (+ (* 18 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 10974#(<= 855 (+ (* 17 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 10975#(<= 871 (+ (* 16 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 10976#(<= 886 (+ (* 15 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 10977#(<= 900 (+ (* 14 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 10978#(<= 913 (+ (* 13 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 10979#(<= 925 (+ (* 12 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 10980#(<= 936 (+ (* 11 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 10981#(<= 946 (+ (* 10 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 10982#(<= 955 (+ (* 9 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 10983#(<= 963 (+ (* 8 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 10984#(<= 970 (+ (* 7 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 10985#(<= 976 (+ (* 6 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 10986#(<= 981 (+ (* 5 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 10987#(<= 985 (+ (* 4 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 10988#(<= 988 (+ (* 3 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 10989#(<= 990 (+ (* 2 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 10990#(<= 991 (+ ULTIMATE.start_main_~y~5 ULTIMATE.start_main_~x~5)), 10991#(<= 991 ULTIMATE.start_main_~x~5), 10992#(<= (+ ULTIMATE.start_main_~y~5 990) ULTIMATE.start_main_~x~5)] [2018-07-23 13:42:13,823 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 13:42:13,823 INFO L450 AbstractCegarLoop]: Interpolant automaton has 49 states [2018-07-23 13:42:13,824 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 49 interpolants. [2018-07-23 13:42:13,824 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=95, Invalid=2257, Unknown=0, NotChecked=0, Total=2352 [2018-07-23 13:42:13,825 INFO L87 Difference]: Start difference. First operand 97 states and 97 transitions. Second operand 49 states. [2018-07-23 13:42:14,303 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-07-23 13:42:14,304 INFO L93 Difference]: Finished difference Result 101 states and 101 transitions. [2018-07-23 13:42:14,304 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 49 states. [2018-07-23 13:42:14,304 INFO L78 Accepts]: Start accepts. Automaton has 49 states. Word has length 96 [2018-07-23 13:42:14,304 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-07-23 13:42:14,305 INFO L225 Difference]: With dead ends: 101 [2018-07-23 13:42:14,305 INFO L226 Difference]: Without dead ends: 99 [2018-07-23 13:42:14,306 INFO L575 BasicCegarLoop]: 0 DeclaredPredicates, 48 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 47 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=95, Invalid=2257, Unknown=0, NotChecked=0, Total=2352 [2018-07-23 13:42:14,306 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 99 states. [2018-07-23 13:42:14,330 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 99 to 99. [2018-07-23 13:42:14,330 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 99 states. [2018-07-23 13:42:14,331 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 99 states to 99 states and 99 transitions. [2018-07-23 13:42:14,331 INFO L78 Accepts]: Start accepts. Automaton has 99 states and 99 transitions. Word has length 96 [2018-07-23 13:42:14,331 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-07-23 13:42:14,331 INFO L471 AbstractCegarLoop]: Abstraction has 99 states and 99 transitions. [2018-07-23 13:42:14,331 INFO L472 AbstractCegarLoop]: Interpolant automaton has 49 states. [2018-07-23 13:42:14,331 INFO L276 IsEmpty]: Start isEmpty. Operand 99 states and 99 transitions. [2018-07-23 13:42:14,332 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 99 [2018-07-23 13:42:14,332 INFO L349 BasicCegarLoop]: Found error trace [2018-07-23 13:42:14,332 INFO L357 BasicCegarLoop]: trace histogram [48, 47, 1, 1, 1] [2018-07-23 13:42:14,332 INFO L414 AbstractCegarLoop]: === Iteration 48 === [ULTIMATE.startErr0AssertViolationASSERT]=== [2018-07-23 13:42:14,333 INFO L82 PathProgramCache]: Analyzing trace with hash -1914229943, now seen corresponding path program 47 times [2018-07-23 13:42:14,333 INFO L69 tionRefinementEngine]: Using refinement strategy FixedRefinementStrategy [2018-07-23 13:42:14,386 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-07-23 13:42:14,660 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 13:42:14,660 INFO L309 seRefinementStrategy]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2018-07-23 13:42:14,660 INFO L324 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [49] total 49 [2018-07-23 13:42:14,660 INFO L142 lantAutomatonBuilder]: Constructing canonical interpolant automaton, with selfloop in false state [2018-07-23 13:42:14,661 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-07-23 13:42:14,661 INFO L185 omatonBuilderFactory]: Interpolants [11393#true, 11394#false, 11395#(<= 1 (+ (* 46 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 11396#(<= 46 (+ (* 45 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 11397#(<= 90 (+ (* 44 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 11398#(<= 133 (+ (* 43 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 11399#(<= 175 (+ (* 42 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 11400#(<= 216 (+ (* 41 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 11401#(<= 256 (+ (* 40 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 11402#(<= 295 (+ (* 39 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 11403#(<= 333 (+ (* 38 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 11404#(<= 370 (+ (* 37 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 11405#(<= 406 (+ (* 36 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 11406#(<= 441 (+ (* 35 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 11407#(<= 475 (+ (* 34 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 11408#(<= 508 (+ (* 33 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 11409#(<= 540 (+ (* 32 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 11410#(<= 571 (+ (* 31 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 11411#(<= 601 (+ (* 30 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 11412#(<= 630 (+ (* 29 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 11413#(<= 658 (+ (* 28 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 11414#(<= 685 (+ (* 27 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 11415#(<= 711 (+ (* 26 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 11416#(<= 736 (+ (* 25 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 11417#(<= 760 (+ (* 24 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 11418#(<= 783 (+ (* 23 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 11419#(<= 805 (+ (* 22 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 11420#(<= 826 (+ (* 21 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 11421#(<= 846 (+ (* 20 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 11422#(<= 865 (+ (* 19 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 11423#(<= 883 (+ (* 18 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 11424#(<= 900 (+ (* 17 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 11425#(<= 916 (+ (* 16 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 11426#(<= 931 (+ (* 15 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 11427#(<= 945 (+ (* 14 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 11428#(<= 958 (+ (* 13 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 11429#(<= 970 (+ (* 12 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 11430#(<= 981 (+ (* 11 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 11431#(<= 991 (+ (* 10 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 11432#(<= 1000 (+ (* 9 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 11433#(<= 1008 (+ (* 8 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 11434#(<= 1015 (+ (* 7 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 11435#(<= 1021 (+ (* 6 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 11436#(<= 1026 (+ (* 5 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 11437#(<= 1030 (+ (* 4 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 11438#(<= 1033 (+ (* 3 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 11439#(<= 1035 (+ (* 2 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 11440#(<= 1036 (+ ULTIMATE.start_main_~y~5 ULTIMATE.start_main_~x~5)), 11441#(<= 1036 ULTIMATE.start_main_~x~5), 11442#(<= (+ ULTIMATE.start_main_~y~5 1035) ULTIMATE.start_main_~x~5)] [2018-07-23 13:42:14,662 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 13:42:14,662 INFO L450 AbstractCegarLoop]: Interpolant automaton has 50 states [2018-07-23 13:42:14,662 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 50 interpolants. [2018-07-23 13:42:14,662 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=97, Invalid=2353, Unknown=0, NotChecked=0, Total=2450 [2018-07-23 13:42:14,663 INFO L87 Difference]: Start difference. First operand 99 states and 99 transitions. Second operand 50 states. [2018-07-23 13:42:15,277 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-07-23 13:42:15,278 INFO L93 Difference]: Finished difference Result 103 states and 103 transitions. [2018-07-23 13:42:15,278 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 50 states. [2018-07-23 13:42:15,278 INFO L78 Accepts]: Start accepts. Automaton has 50 states. Word has length 98 [2018-07-23 13:42:15,279 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-07-23 13:42:15,279 INFO L225 Difference]: With dead ends: 103 [2018-07-23 13:42:15,280 INFO L226 Difference]: Without dead ends: 101 [2018-07-23 13:42:15,280 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 13:42:15,282 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 101 states. [2018-07-23 13:42:15,308 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 101 to 101. [2018-07-23 13:42:15,308 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 101 states. [2018-07-23 13:42:15,309 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 101 states to 101 states and 101 transitions. [2018-07-23 13:42:15,309 INFO L78 Accepts]: Start accepts. Automaton has 101 states and 101 transitions. Word has length 98 [2018-07-23 13:42:15,309 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-07-23 13:42:15,309 INFO L471 AbstractCegarLoop]: Abstraction has 101 states and 101 transitions. [2018-07-23 13:42:15,309 INFO L472 AbstractCegarLoop]: Interpolant automaton has 50 states. [2018-07-23 13:42:15,310 INFO L276 IsEmpty]: Start isEmpty. Operand 101 states and 101 transitions. [2018-07-23 13:42:15,310 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 101 [2018-07-23 13:42:15,310 INFO L349 BasicCegarLoop]: Found error trace [2018-07-23 13:42:15,310 INFO L357 BasicCegarLoop]: trace histogram [49, 48, 1, 1, 1] [2018-07-23 13:42:15,311 INFO L414 AbstractCegarLoop]: === Iteration 49 === [ULTIMATE.startErr0AssertViolationASSERT]=== [2018-07-23 13:42:15,311 INFO L82 PathProgramCache]: Analyzing trace with hash -1329039547, now seen corresponding path program 48 times [2018-07-23 13:42:15,311 INFO L69 tionRefinementEngine]: Using refinement strategy FixedRefinementStrategy [2018-07-23 13:42:15,355 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-07-23 13:42:15,651 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 13:42:15,651 INFO L309 seRefinementStrategy]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2018-07-23 13:42:15,651 INFO L324 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [50] total 50 [2018-07-23 13:42:15,651 INFO L142 lantAutomatonBuilder]: Constructing canonical interpolant automaton, with selfloop in false state [2018-07-23 13:42:15,651 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-07-23 13:42:15,652 INFO L185 omatonBuilderFactory]: Interpolants [11851#true, 11852#false, 11853#(<= 1 (+ (* 47 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 11854#(<= 47 (+ (* 46 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 11855#(<= 92 (+ (* 45 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 11856#(<= 136 (+ (* 44 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 11857#(<= 179 (+ (* 43 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 11858#(<= 221 (+ (* 42 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 11859#(<= 262 (+ (* 41 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 11860#(<= 302 (+ (* 40 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 11861#(<= 341 (+ (* 39 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 11862#(<= 379 (+ (* 38 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 11863#(<= 416 (+ (* 37 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 11864#(<= 452 (+ (* 36 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 11865#(<= 487 (+ (* 35 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 11866#(<= 521 (+ (* 34 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 11867#(<= 554 (+ (* 33 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 11868#(<= 586 (+ (* 32 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 11869#(<= 617 (+ (* 31 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 11870#(<= 647 (+ (* 30 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 11871#(<= 676 (+ (* 29 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 11872#(<= 704 (+ (* 28 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 11873#(<= 731 (+ (* 27 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 11874#(<= 757 (+ (* 26 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 11875#(<= 782 (+ (* 25 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 11876#(<= 806 (+ (* 24 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 11877#(<= 829 (+ (* 23 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 11878#(<= 851 (+ (* 22 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 11879#(<= 872 (+ (* 21 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 11880#(<= 892 (+ (* 20 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 11881#(<= 911 (+ (* 19 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 11882#(<= 929 (+ (* 18 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 11883#(<= 946 (+ (* 17 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 11884#(<= 962 (+ (* 16 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 11885#(<= 977 (+ (* 15 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 11886#(<= 991 (+ (* 14 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 11887#(<= 1004 (+ (* 13 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 11888#(<= 1016 (+ (* 12 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 11889#(<= 1027 (+ (* 11 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 11890#(<= 1037 (+ (* 10 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 11891#(<= 1046 (+ (* 9 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 11892#(<= 1054 (+ (* 8 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 11893#(<= 1061 (+ (* 7 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 11894#(<= 1067 (+ (* 6 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 11895#(<= 1072 (+ (* 5 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 11896#(<= 1076 (+ (* 4 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 11897#(<= 1079 (+ (* 3 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 11898#(<= 1081 (+ (* 2 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 11899#(<= 1082 (+ ULTIMATE.start_main_~y~5 ULTIMATE.start_main_~x~5)), 11900#(<= 1082 ULTIMATE.start_main_~x~5), 11901#(<= (+ ULTIMATE.start_main_~y~5 1081) ULTIMATE.start_main_~x~5)] [2018-07-23 13:42:15,652 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 13:42:15,652 INFO L450 AbstractCegarLoop]: Interpolant automaton has 51 states [2018-07-23 13:42:15,653 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 51 interpolants. [2018-07-23 13:42:15,653 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=99, Invalid=2451, Unknown=0, NotChecked=0, Total=2550 [2018-07-23 13:42:15,653 INFO L87 Difference]: Start difference. First operand 101 states and 101 transitions. Second operand 51 states. [2018-07-23 13:42:16,076 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-07-23 13:42:16,076 INFO L93 Difference]: Finished difference Result 105 states and 105 transitions. [2018-07-23 13:42:16,077 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 51 states. [2018-07-23 13:42:16,077 INFO L78 Accepts]: Start accepts. Automaton has 51 states. Word has length 100 [2018-07-23 13:42:16,077 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-07-23 13:42:16,078 INFO L225 Difference]: With dead ends: 105 [2018-07-23 13:42:16,078 INFO L226 Difference]: Without dead ends: 103 [2018-07-23 13:42:16,079 INFO L575 BasicCegarLoop]: 0 DeclaredPredicates, 50 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 49 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=99, Invalid=2451, Unknown=0, NotChecked=0, Total=2550 [2018-07-23 13:42:16,079 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 103 states. [2018-07-23 13:42:16,104 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 103 to 103. [2018-07-23 13:42:16,104 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 103 states. [2018-07-23 13:42:16,104 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 103 states to 103 states and 103 transitions. [2018-07-23 13:42:16,105 INFO L78 Accepts]: Start accepts. Automaton has 103 states and 103 transitions. Word has length 100 [2018-07-23 13:42:16,105 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-07-23 13:42:16,105 INFO L471 AbstractCegarLoop]: Abstraction has 103 states and 103 transitions. [2018-07-23 13:42:16,105 INFO L472 AbstractCegarLoop]: Interpolant automaton has 51 states. [2018-07-23 13:42:16,105 INFO L276 IsEmpty]: Start isEmpty. Operand 103 states and 103 transitions. [2018-07-23 13:42:16,106 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 103 [2018-07-23 13:42:16,106 INFO L349 BasicCegarLoop]: Found error trace [2018-07-23 13:42:16,106 INFO L357 BasicCegarLoop]: trace histogram [50, 49, 1, 1, 1] [2018-07-23 13:42:16,106 INFO L414 AbstractCegarLoop]: === Iteration 50 === [ULTIMATE.startErr0AssertViolationASSERT]=== [2018-07-23 13:42:16,106 INFO L82 PathProgramCache]: Analyzing trace with hash -1601784767, now seen corresponding path program 49 times [2018-07-23 13:42:16,106 INFO L69 tionRefinementEngine]: Using refinement strategy FixedRefinementStrategy [2018-07-23 13:42:16,142 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-07-23 13:42:16,458 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 13:42:16,458 INFO L309 seRefinementStrategy]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2018-07-23 13:42:16,458 INFO L324 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [51] total 51 [2018-07-23 13:42:16,459 INFO L142 lantAutomatonBuilder]: Constructing canonical interpolant automaton, with selfloop in false state [2018-07-23 13:42:16,459 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-07-23 13:42:16,459 INFO L185 omatonBuilderFactory]: Interpolants [12318#true, 12319#false, 12320#(<= 1 (+ (* 48 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 12321#(<= 48 (+ (* 47 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 12322#(<= 94 (+ (* 46 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 12323#(<= 139 (+ (* 45 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 12324#(<= 183 (+ (* 44 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 12325#(<= 226 (+ (* 43 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 12326#(<= 268 (+ (* 42 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 12327#(<= 309 (+ (* 41 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 12328#(<= 349 (+ (* 40 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 12329#(<= 388 (+ (* 39 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 12330#(<= 426 (+ (* 38 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 12331#(<= 463 (+ (* 37 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 12332#(<= 499 (+ (* 36 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 12333#(<= 534 (+ (* 35 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 12334#(<= 568 (+ (* 34 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 12335#(<= 601 (+ (* 33 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 12336#(<= 633 (+ (* 32 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 12337#(<= 664 (+ (* 31 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 12338#(<= 694 (+ (* 30 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 12339#(<= 723 (+ (* 29 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 12340#(<= 751 (+ (* 28 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 12341#(<= 778 (+ (* 27 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 12342#(<= 804 (+ (* 26 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 12343#(<= 829 (+ (* 25 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 12344#(<= 853 (+ (* 24 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 12345#(<= 876 (+ (* 23 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 12346#(<= 898 (+ (* 22 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 12347#(<= 919 (+ (* 21 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 12348#(<= 939 (+ (* 20 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 12349#(<= 958 (+ (* 19 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 12350#(<= 976 (+ (* 18 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 12351#(<= 993 (+ (* 17 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 12352#(<= 1009 (+ (* 16 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 12353#(<= 1024 (+ (* 15 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 12354#(<= 1038 (+ (* 14 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 12355#(<= 1051 (+ (* 13 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 12356#(<= 1063 (+ (* 12 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 12357#(<= 1074 (+ (* 11 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 12358#(<= 1084 (+ (* 10 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 12359#(<= 1093 (+ (* 9 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 12360#(<= 1101 (+ (* 8 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 12361#(<= 1108 (+ (* 7 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 12362#(<= 1114 (+ (* 6 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 12363#(<= 1119 (+ (* 5 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 12364#(<= 1123 (+ (* 4 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 12365#(<= 1126 (+ (* 3 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 12366#(<= 1128 (+ (* 2 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 12367#(<= 1129 (+ ULTIMATE.start_main_~y~5 ULTIMATE.start_main_~x~5)), 12368#(<= 1129 ULTIMATE.start_main_~x~5), 12369#(<= (+ ULTIMATE.start_main_~y~5 1128) ULTIMATE.start_main_~x~5)] [2018-07-23 13:42:16,460 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 13:42:16,460 INFO L450 AbstractCegarLoop]: Interpolant automaton has 52 states [2018-07-23 13:42:16,460 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 52 interpolants. [2018-07-23 13:42:16,461 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=101, Invalid=2551, Unknown=0, NotChecked=0, Total=2652 [2018-07-23 13:42:16,461 INFO L87 Difference]: Start difference. First operand 103 states and 103 transitions. Second operand 52 states. [2018-07-23 13:42:17,097 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-07-23 13:42:17,098 INFO L93 Difference]: Finished difference Result 107 states and 107 transitions. [2018-07-23 13:42:17,098 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 52 states. [2018-07-23 13:42:17,099 INFO L78 Accepts]: Start accepts. Automaton has 52 states. Word has length 102 [2018-07-23 13:42:17,099 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-07-23 13:42:17,099 INFO L225 Difference]: With dead ends: 107 [2018-07-23 13:42:17,100 INFO L226 Difference]: Without dead ends: 105 [2018-07-23 13:42:17,100 INFO L575 BasicCegarLoop]: 0 DeclaredPredicates, 51 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 50 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=101, Invalid=2551, Unknown=0, NotChecked=0, Total=2652 [2018-07-23 13:42:17,100 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 105 states. [2018-07-23 13:42:17,139 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 105 to 105. [2018-07-23 13:42:17,140 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 105 states. [2018-07-23 13:42:17,140 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 105 states to 105 states and 105 transitions. [2018-07-23 13:42:17,141 INFO L78 Accepts]: Start accepts. Automaton has 105 states and 105 transitions. Word has length 102 [2018-07-23 13:42:17,141 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-07-23 13:42:17,141 INFO L471 AbstractCegarLoop]: Abstraction has 105 states and 105 transitions. [2018-07-23 13:42:17,141 INFO L472 AbstractCegarLoop]: Interpolant automaton has 52 states. [2018-07-23 13:42:17,141 INFO L276 IsEmpty]: Start isEmpty. Operand 105 states and 105 transitions. [2018-07-23 13:42:17,142 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 105 [2018-07-23 13:42:17,142 INFO L349 BasicCegarLoop]: Found error trace [2018-07-23 13:42:17,142 INFO L357 BasicCegarLoop]: trace histogram [51, 50, 1, 1, 1] [2018-07-23 13:42:17,142 INFO L414 AbstractCegarLoop]: === Iteration 51 === [ULTIMATE.startErr0AssertViolationASSERT]=== [2018-07-23 13:42:17,143 INFO L82 PathProgramCache]: Analyzing trace with hash -1716936131, now seen corresponding path program 50 times [2018-07-23 13:42:17,143 INFO L69 tionRefinementEngine]: Using refinement strategy FixedRefinementStrategy [2018-07-23 13:42:17,200 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-07-23 13:42:17,584 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 13:42:17,584 INFO L309 seRefinementStrategy]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2018-07-23 13:42:17,584 INFO L324 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [52] total 52 [2018-07-23 13:42:17,584 INFO L142 lantAutomatonBuilder]: Constructing canonical interpolant automaton, with selfloop in false state [2018-07-23 13:42:17,585 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-07-23 13:42:17,585 INFO L185 omatonBuilderFactory]: Interpolants [12800#(<= 187 (+ (* 45 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 12801#(<= 231 (+ (* 44 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 12802#(<= 274 (+ (* 43 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 12803#(<= 316 (+ (* 42 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 12804#(<= 357 (+ (* 41 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 12805#(<= 397 (+ (* 40 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 12806#(<= 436 (+ (* 39 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 12807#(<= 474 (+ (* 38 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 12808#(<= 511 (+ (* 37 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 12809#(<= 547 (+ (* 36 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 12810#(<= 582 (+ (* 35 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 12811#(<= 616 (+ (* 34 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 12812#(<= 649 (+ (* 33 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 12813#(<= 681 (+ (* 32 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 12814#(<= 712 (+ (* 31 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 12815#(<= 742 (+ (* 30 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 12816#(<= 771 (+ (* 29 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 12817#(<= 799 (+ (* 28 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 12818#(<= 826 (+ (* 27 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 12819#(<= 852 (+ (* 26 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 12820#(<= 877 (+ (* 25 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 12821#(<= 901 (+ (* 24 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 12822#(<= 924 (+ (* 23 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 12823#(<= 946 (+ (* 22 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 12824#(<= 967 (+ (* 21 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 12825#(<= 987 (+ (* 20 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 12826#(<= 1006 (+ (* 19 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 12827#(<= 1024 (+ (* 18 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 12828#(<= 1041 (+ (* 17 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 12829#(<= 1057 (+ (* 16 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 12830#(<= 1072 (+ (* 15 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 12831#(<= 1086 (+ (* 14 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 12832#(<= 1099 (+ (* 13 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 12833#(<= 1111 (+ (* 12 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 12834#(<= 1122 (+ (* 11 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 12835#(<= 1132 (+ (* 10 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 12836#(<= 1141 (+ (* 9 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 12837#(<= 1149 (+ (* 8 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 12838#(<= 1156 (+ (* 7 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 12839#(<= 1162 (+ (* 6 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 12840#(<= 1167 (+ (* 5 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 12841#(<= 1171 (+ (* 4 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 12842#(<= 1174 (+ (* 3 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 12843#(<= 1176 (+ (* 2 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 12844#(<= 1177 (+ ULTIMATE.start_main_~y~5 ULTIMATE.start_main_~x~5)), 12845#(<= 1177 ULTIMATE.start_main_~x~5), 12846#(<= (+ ULTIMATE.start_main_~y~5 1176) ULTIMATE.start_main_~x~5), 12794#true, 12795#false, 12796#(<= 1 (+ (* 49 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 12797#(<= 49 (+ (* 48 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 12798#(<= 96 (+ (* 47 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 12799#(<= 142 (+ (* 46 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5))] [2018-07-23 13:42:17,585 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 13:42:17,585 INFO L450 AbstractCegarLoop]: Interpolant automaton has 53 states [2018-07-23 13:42:17,586 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 53 interpolants. [2018-07-23 13:42:17,586 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=103, Invalid=2653, Unknown=0, NotChecked=0, Total=2756 [2018-07-23 13:42:17,586 INFO L87 Difference]: Start difference. First operand 105 states and 105 transitions. Second operand 53 states. [2018-07-23 13:42:18,026 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-07-23 13:42:18,027 INFO L93 Difference]: Finished difference Result 109 states and 109 transitions. [2018-07-23 13:42:18,027 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 53 states. [2018-07-23 13:42:18,027 INFO L78 Accepts]: Start accepts. Automaton has 53 states. Word has length 104 [2018-07-23 13:42:18,027 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-07-23 13:42:18,028 INFO L225 Difference]: With dead ends: 109 [2018-07-23 13:42:18,028 INFO L226 Difference]: Without dead ends: 107 [2018-07-23 13:42:18,028 INFO L575 BasicCegarLoop]: 0 DeclaredPredicates, 52 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 51 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=103, Invalid=2653, Unknown=0, NotChecked=0, Total=2756 [2018-07-23 13:42:18,029 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 107 states. [2018-07-23 13:42:18,053 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 107 to 107. [2018-07-23 13:42:18,053 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 107 states. [2018-07-23 13:42:18,054 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 107 states to 107 states and 107 transitions. [2018-07-23 13:42:18,054 INFO L78 Accepts]: Start accepts. Automaton has 107 states and 107 transitions. Word has length 104 [2018-07-23 13:42:18,054 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-07-23 13:42:18,054 INFO L471 AbstractCegarLoop]: Abstraction has 107 states and 107 transitions. [2018-07-23 13:42:18,054 INFO L472 AbstractCegarLoop]: Interpolant automaton has 53 states. [2018-07-23 13:42:18,054 INFO L276 IsEmpty]: Start isEmpty. Operand 107 states and 107 transitions. [2018-07-23 13:42:18,055 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 107 [2018-07-23 13:42:18,055 INFO L349 BasicCegarLoop]: Found error trace [2018-07-23 13:42:18,055 INFO L357 BasicCegarLoop]: trace histogram [52, 51, 1, 1, 1] [2018-07-23 13:42:18,055 INFO L414 AbstractCegarLoop]: === Iteration 52 === [ULTIMATE.startErr0AssertViolationASSERT]=== [2018-07-23 13:42:18,055 INFO L82 PathProgramCache]: Analyzing trace with hash -708247239, now seen corresponding path program 51 times [2018-07-23 13:42:18,056 INFO L69 tionRefinementEngine]: Using refinement strategy FixedRefinementStrategy [2018-07-23 13:42:18,090 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-07-23 13:42:18,366 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 13:42:18,366 INFO L309 seRefinementStrategy]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2018-07-23 13:42:18,366 INFO L324 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [53] total 53 [2018-07-23 13:42:18,367 INFO L142 lantAutomatonBuilder]: Constructing canonical interpolant automaton, with selfloop in false state [2018-07-23 13:42:18,367 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 13:42:18,367 INFO L185 omatonBuilderFactory]: Interpolants [13312#(<= 1055 (+ (* 19 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 13313#(<= 1073 (+ (* 18 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 13314#(<= 1090 (+ (* 17 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 13315#(<= 1106 (+ (* 16 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 13316#(<= 1121 (+ (* 15 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 13317#(<= 1135 (+ (* 14 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 13318#(<= 1148 (+ (* 13 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 13319#(<= 1160 (+ (* 12 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 13320#(<= 1171 (+ (* 11 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 13321#(<= 1181 (+ (* 10 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 13322#(<= 1190 (+ (* 9 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 13323#(<= 1198 (+ (* 8 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 13324#(<= 1205 (+ (* 7 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 13325#(<= 1211 (+ (* 6 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 13326#(<= 1216 (+ (* 5 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 13327#(<= 1220 (+ (* 4 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 13328#(<= 1223 (+ (* 3 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 13329#(<= 1225 (+ (* 2 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 13330#(<= 1226 (+ ULTIMATE.start_main_~y~5 ULTIMATE.start_main_~x~5)), 13331#(<= 1226 ULTIMATE.start_main_~x~5), 13332#(<= (+ ULTIMATE.start_main_~y~5 1225) ULTIMATE.start_main_~x~5), 13279#true, 13280#false, 13281#(<= 1 (+ (* 50 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 13282#(<= 50 (+ (* 49 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 13283#(<= 98 (+ (* 48 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 13284#(<= 145 (+ (* 47 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 13285#(<= 191 (+ (* 46 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 13286#(<= 236 (+ (* 45 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 13287#(<= 280 (+ (* 44 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 13288#(<= 323 (+ (* 43 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 13289#(<= 365 (+ (* 42 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 13290#(<= 406 (+ (* 41 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 13291#(<= 446 (+ (* 40 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 13292#(<= 485 (+ (* 39 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 13293#(<= 523 (+ (* 38 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 13294#(<= 560 (+ (* 37 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 13295#(<= 596 (+ (* 36 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 13296#(<= 631 (+ (* 35 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 13297#(<= 665 (+ (* 34 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 13298#(<= 698 (+ (* 33 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 13299#(<= 730 (+ (* 32 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 13300#(<= 761 (+ (* 31 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 13301#(<= 791 (+ (* 30 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 13302#(<= 820 (+ (* 29 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 13303#(<= 848 (+ (* 28 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 13304#(<= 875 (+ (* 27 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 13305#(<= 901 (+ (* 26 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 13306#(<= 926 (+ (* 25 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 13307#(<= 950 (+ (* 24 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 13308#(<= 973 (+ (* 23 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 13309#(<= 995 (+ (* 22 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 13310#(<= 1016 (+ (* 21 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 13311#(<= 1036 (+ (* 20 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5))] [2018-07-23 13:42:18,368 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 13:42:18,368 INFO L450 AbstractCegarLoop]: Interpolant automaton has 54 states [2018-07-23 13:42:18,368 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 54 interpolants. [2018-07-23 13:42:18,368 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=105, Invalid=2757, Unknown=0, NotChecked=0, Total=2862 [2018-07-23 13:42:18,369 INFO L87 Difference]: Start difference. First operand 107 states and 107 transitions. Second operand 54 states. [2018-07-23 13:42:18,807 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-07-23 13:42:18,808 INFO L93 Difference]: Finished difference Result 111 states and 111 transitions. [2018-07-23 13:42:18,808 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 54 states. [2018-07-23 13:42:18,808 INFO L78 Accepts]: Start accepts. Automaton has 54 states. Word has length 106 [2018-07-23 13:42:18,808 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-07-23 13:42:18,809 INFO L225 Difference]: With dead ends: 111 [2018-07-23 13:42:18,809 INFO L226 Difference]: Without dead ends: 109 [2018-07-23 13:42:18,809 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 13:42:18,810 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 109 states. [2018-07-23 13:42:18,835 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 109 to 109. [2018-07-23 13:42:18,835 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 109 states. [2018-07-23 13:42:18,835 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 109 states to 109 states and 109 transitions. [2018-07-23 13:42:18,835 INFO L78 Accepts]: Start accepts. Automaton has 109 states and 109 transitions. Word has length 106 [2018-07-23 13:42:18,836 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-07-23 13:42:18,836 INFO L471 AbstractCegarLoop]: Abstraction has 109 states and 109 transitions. [2018-07-23 13:42:18,836 INFO L472 AbstractCegarLoop]: Interpolant automaton has 54 states. [2018-07-23 13:42:18,836 INFO L276 IsEmpty]: Start isEmpty. Operand 109 states and 109 transitions. [2018-07-23 13:42:18,836 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 109 [2018-07-23 13:42:18,836 INFO L349 BasicCegarLoop]: Found error trace [2018-07-23 13:42:18,836 INFO L357 BasicCegarLoop]: trace histogram [53, 52, 1, 1, 1] [2018-07-23 13:42:18,837 INFO L414 AbstractCegarLoop]: === Iteration 53 === [ULTIMATE.startErr0AssertViolationASSERT]=== [2018-07-23 13:42:18,837 INFO L82 PathProgramCache]: Analyzing trace with hash -2020830923, now seen corresponding path program 52 times [2018-07-23 13:42:18,837 INFO L69 tionRefinementEngine]: Using refinement strategy FixedRefinementStrategy [2018-07-23 13:42:18,872 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-07-23 13:42:19,179 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 13:42:19,180 INFO L309 seRefinementStrategy]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2018-07-23 13:42:19,180 INFO L324 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [54] total 54 [2018-07-23 13:42:19,180 INFO L142 lantAutomatonBuilder]: Constructing canonical interpolant automaton, with selfloop in false state [2018-07-23 13:42:19,180 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-07-23 13:42:19,181 INFO L185 omatonBuilderFactory]: Interpolants [13824#(<= 1275 (+ (* 2 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 13825#(<= 1276 (+ ULTIMATE.start_main_~y~5 ULTIMATE.start_main_~x~5)), 13826#(<= 1276 ULTIMATE.start_main_~x~5), 13827#(<= (+ ULTIMATE.start_main_~y~5 1275) ULTIMATE.start_main_~x~5), 13773#true, 13774#false, 13775#(<= 1 (+ (* 51 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 13776#(<= 51 (+ (* 50 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 13777#(<= 100 (+ (* 49 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 13778#(<= 148 (+ (* 48 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 13779#(<= 195 (+ (* 47 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 13780#(<= 241 (+ (* 46 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 13781#(<= 286 (+ (* 45 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 13782#(<= 330 (+ (* 44 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 13783#(<= 373 (+ (* 43 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 13784#(<= 415 (+ (* 42 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 13785#(<= 456 (+ (* 41 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 13786#(<= 496 (+ (* 40 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 13787#(<= 535 (+ (* 39 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 13788#(<= 573 (+ (* 38 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 13789#(<= 610 (+ (* 37 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 13790#(<= 646 (+ (* 36 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 13791#(<= 681 (+ (* 35 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 13792#(<= 715 (+ (* 34 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 13793#(<= 748 (+ (* 33 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 13794#(<= 780 (+ (* 32 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 13795#(<= 811 (+ (* 31 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 13796#(<= 841 (+ (* 30 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 13797#(<= 870 (+ (* 29 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 13798#(<= 898 (+ (* 28 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 13799#(<= 925 (+ (* 27 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 13800#(<= 951 (+ (* 26 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 13801#(<= 976 (+ (* 25 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 13802#(<= 1000 (+ (* 24 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 13803#(<= 1023 (+ (* 23 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 13804#(<= 1045 (+ (* 22 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 13805#(<= 1066 (+ (* 21 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 13806#(<= 1086 (+ (* 20 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 13807#(<= 1105 (+ (* 19 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 13808#(<= 1123 (+ (* 18 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 13809#(<= 1140 (+ (* 17 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 13810#(<= 1156 (+ (* 16 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 13811#(<= 1171 (+ (* 15 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 13812#(<= 1185 (+ (* 14 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 13813#(<= 1198 (+ (* 13 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 13814#(<= 1210 (+ (* 12 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 13815#(<= 1221 (+ (* 11 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 13816#(<= 1231 (+ (* 10 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 13817#(<= 1240 (+ (* 9 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 13818#(<= 1248 (+ (* 8 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 13819#(<= 1255 (+ (* 7 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 13820#(<= 1261 (+ (* 6 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 13821#(<= 1266 (+ (* 5 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 13822#(<= 1270 (+ (* 4 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 13823#(<= 1273 (+ (* 3 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5))] [2018-07-23 13:42:19,181 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 13:42:19,182 INFO L450 AbstractCegarLoop]: Interpolant automaton has 55 states [2018-07-23 13:42:19,182 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 55 interpolants. [2018-07-23 13:42:19,182 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=107, Invalid=2863, Unknown=0, NotChecked=0, Total=2970 [2018-07-23 13:42:19,182 INFO L87 Difference]: Start difference. First operand 109 states and 109 transitions. Second operand 55 states. [2018-07-23 13:42:19,707 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-07-23 13:42:19,708 INFO L93 Difference]: Finished difference Result 113 states and 113 transitions. [2018-07-23 13:42:19,708 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 55 states. [2018-07-23 13:42:19,708 INFO L78 Accepts]: Start accepts. Automaton has 55 states. Word has length 108 [2018-07-23 13:42:19,708 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-07-23 13:42:19,709 INFO L225 Difference]: With dead ends: 113 [2018-07-23 13:42:19,709 INFO L226 Difference]: Without dead ends: 111 [2018-07-23 13:42:19,709 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 13:42:19,710 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 111 states. [2018-07-23 13:42:19,735 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 111 to 111. [2018-07-23 13:42:19,735 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 111 states. [2018-07-23 13:42:19,736 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 111 states to 111 states and 111 transitions. [2018-07-23 13:42:19,736 INFO L78 Accepts]: Start accepts. Automaton has 111 states and 111 transitions. Word has length 108 [2018-07-23 13:42:19,736 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-07-23 13:42:19,736 INFO L471 AbstractCegarLoop]: Abstraction has 111 states and 111 transitions. [2018-07-23 13:42:19,736 INFO L472 AbstractCegarLoop]: Interpolant automaton has 55 states. [2018-07-23 13:42:19,736 INFO L276 IsEmpty]: Start isEmpty. Operand 111 states and 111 transitions. [2018-07-23 13:42:19,737 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 111 [2018-07-23 13:42:19,737 INFO L349 BasicCegarLoop]: Found error trace [2018-07-23 13:42:19,737 INFO L357 BasicCegarLoop]: trace histogram [54, 53, 1, 1, 1] [2018-07-23 13:42:19,737 INFO L414 AbstractCegarLoop]: === Iteration 54 === [ULTIMATE.startErr0AssertViolationASSERT]=== [2018-07-23 13:42:19,737 INFO L82 PathProgramCache]: Analyzing trace with hash -693366223, now seen corresponding path program 53 times [2018-07-23 13:42:19,737 INFO L69 tionRefinementEngine]: Using refinement strategy FixedRefinementStrategy [2018-07-23 13:42:19,775 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-07-23 13:42:20,119 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 13:42:20,119 INFO L309 seRefinementStrategy]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2018-07-23 13:42:20,120 INFO L324 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [55] total 55 [2018-07-23 13:42:20,120 INFO L142 lantAutomatonBuilder]: Constructing canonical interpolant automaton, with selfloop in false state [2018-07-23 13:42:20,120 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-07-23 13:42:20,120 INFO L185 omatonBuilderFactory]: Interpolants [14276#true, 14277#false, 14278#(<= 1 (+ (* 52 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 14279#(<= 52 (+ (* 51 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 14280#(<= 102 (+ (* 50 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 14281#(<= 151 (+ (* 49 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 14282#(<= 199 (+ (* 48 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 14283#(<= 246 (+ (* 47 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 14284#(<= 292 (+ (* 46 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 14285#(<= 337 (+ (* 45 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 14286#(<= 381 (+ (* 44 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 14287#(<= 424 (+ (* 43 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 14288#(<= 466 (+ (* 42 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 14289#(<= 507 (+ (* 41 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 14290#(<= 547 (+ (* 40 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 14291#(<= 586 (+ (* 39 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 14292#(<= 624 (+ (* 38 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 14293#(<= 661 (+ (* 37 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 14294#(<= 697 (+ (* 36 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 14295#(<= 732 (+ (* 35 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 14296#(<= 766 (+ (* 34 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 14297#(<= 799 (+ (* 33 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 14298#(<= 831 (+ (* 32 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 14299#(<= 862 (+ (* 31 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 14300#(<= 892 (+ (* 30 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 14301#(<= 921 (+ (* 29 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 14302#(<= 949 (+ (* 28 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 14303#(<= 976 (+ (* 27 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 14304#(<= 1002 (+ (* 26 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 14305#(<= 1027 (+ (* 25 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 14306#(<= 1051 (+ (* 24 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 14307#(<= 1074 (+ (* 23 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 14308#(<= 1096 (+ (* 22 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 14309#(<= 1117 (+ (* 21 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 14310#(<= 1137 (+ (* 20 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 14311#(<= 1156 (+ (* 19 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 14312#(<= 1174 (+ (* 18 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 14313#(<= 1191 (+ (* 17 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 14314#(<= 1207 (+ (* 16 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 14315#(<= 1222 (+ (* 15 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 14316#(<= 1236 (+ (* 14 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 14317#(<= 1249 (+ (* 13 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 14318#(<= 1261 (+ (* 12 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 14319#(<= 1272 (+ (* 11 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 14320#(<= 1282 (+ (* 10 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 14321#(<= 1291 (+ (* 9 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 14322#(<= 1299 (+ (* 8 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 14323#(<= 1306 (+ (* 7 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 14324#(<= 1312 (+ (* 6 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 14325#(<= 1317 (+ (* 5 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 14326#(<= 1321 (+ (* 4 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 14327#(<= 1324 (+ (* 3 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 14328#(<= 1326 (+ (* 2 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 14329#(<= 1327 (+ ULTIMATE.start_main_~y~5 ULTIMATE.start_main_~x~5)), 14330#(<= 1327 ULTIMATE.start_main_~x~5), 14331#(<= (+ ULTIMATE.start_main_~y~5 1326) ULTIMATE.start_main_~x~5)] [2018-07-23 13:42:20,121 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 13:42:20,121 INFO L450 AbstractCegarLoop]: Interpolant automaton has 56 states [2018-07-23 13:42:20,121 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 56 interpolants. [2018-07-23 13:42:20,122 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=109, Invalid=2971, Unknown=0, NotChecked=0, Total=3080 [2018-07-23 13:42:20,122 INFO L87 Difference]: Start difference. First operand 111 states and 111 transitions. Second operand 56 states. [2018-07-23 13:42:20,706 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-07-23 13:42:20,706 INFO L93 Difference]: Finished difference Result 115 states and 115 transitions. [2018-07-23 13:42:20,706 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 56 states. [2018-07-23 13:42:20,706 INFO L78 Accepts]: Start accepts. Automaton has 56 states. Word has length 110 [2018-07-23 13:42:20,706 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-07-23 13:42:20,707 INFO L225 Difference]: With dead ends: 115 [2018-07-23 13:42:20,707 INFO L226 Difference]: Without dead ends: 113 [2018-07-23 13:42:20,708 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 13:42:20,708 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 113 states. [2018-07-23 13:42:20,738 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 113 to 113. [2018-07-23 13:42:20,738 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 113 states. [2018-07-23 13:42:20,739 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 113 states to 113 states and 113 transitions. [2018-07-23 13:42:20,739 INFO L78 Accepts]: Start accepts. Automaton has 113 states and 113 transitions. Word has length 110 [2018-07-23 13:42:20,739 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-07-23 13:42:20,739 INFO L471 AbstractCegarLoop]: Abstraction has 113 states and 113 transitions. [2018-07-23 13:42:20,739 INFO L472 AbstractCegarLoop]: Interpolant automaton has 56 states. [2018-07-23 13:42:20,740 INFO L276 IsEmpty]: Start isEmpty. Operand 113 states and 113 transitions. [2018-07-23 13:42:20,740 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 113 [2018-07-23 13:42:20,740 INFO L349 BasicCegarLoop]: Found error trace [2018-07-23 13:42:20,740 INFO L357 BasicCegarLoop]: trace histogram [55, 54, 1, 1, 1] [2018-07-23 13:42:20,740 INFO L414 AbstractCegarLoop]: === Iteration 55 === [ULTIMATE.startErr0AssertViolationASSERT]=== [2018-07-23 13:42:20,741 INFO L82 PathProgramCache]: Analyzing trace with hash -605076435, now seen corresponding path program 54 times [2018-07-23 13:42:20,741 INFO L69 tionRefinementEngine]: Using refinement strategy FixedRefinementStrategy [2018-07-23 13:42:20,779 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-07-23 13:42:21,031 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 13:42:21,031 INFO L309 seRefinementStrategy]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2018-07-23 13:42:21,031 INFO L324 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [56] total 56 [2018-07-23 13:42:21,031 INFO L142 lantAutomatonBuilder]: Constructing canonical interpolant automaton, with selfloop in false state [2018-07-23 13:42:21,032 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-07-23 13:42:21,032 INFO L185 omatonBuilderFactory]: Interpolants [14788#true, 14789#false, 14790#(<= 1 (+ (* 53 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 14791#(<= 53 (+ (* 52 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 14792#(<= 104 (+ (* 51 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 14793#(<= 154 (+ (* 50 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 14794#(<= 203 (+ (* 49 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 14795#(<= 251 (+ (* 48 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 14796#(<= 298 (+ (* 47 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 14797#(<= 344 (+ (* 46 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 14798#(<= 389 (+ (* 45 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 14799#(<= 433 (+ (* 44 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 14800#(<= 476 (+ (* 43 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 14801#(<= 518 (+ (* 42 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 14802#(<= 559 (+ (* 41 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 14803#(<= 599 (+ (* 40 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 14804#(<= 638 (+ (* 39 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 14805#(<= 676 (+ (* 38 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 14806#(<= 713 (+ (* 37 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 14807#(<= 749 (+ (* 36 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 14808#(<= 784 (+ (* 35 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 14809#(<= 818 (+ (* 34 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 14810#(<= 851 (+ (* 33 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 14811#(<= 883 (+ (* 32 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 14812#(<= 914 (+ (* 31 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 14813#(<= 944 (+ (* 30 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 14814#(<= 973 (+ (* 29 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 14815#(<= 1001 (+ (* 28 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 14816#(<= 1028 (+ (* 27 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 14817#(<= 1054 (+ (* 26 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 14818#(<= 1079 (+ (* 25 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 14819#(<= 1103 (+ (* 24 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 14820#(<= 1126 (+ (* 23 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 14821#(<= 1148 (+ (* 22 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 14822#(<= 1169 (+ (* 21 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 14823#(<= 1189 (+ (* 20 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 14824#(<= 1208 (+ (* 19 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 14825#(<= 1226 (+ (* 18 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 14826#(<= 1243 (+ (* 17 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 14827#(<= 1259 (+ (* 16 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 14828#(<= 1274 (+ (* 15 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 14829#(<= 1288 (+ (* 14 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 14830#(<= 1301 (+ (* 13 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 14831#(<= 1313 (+ (* 12 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 14832#(<= 1324 (+ (* 11 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 14833#(<= 1334 (+ (* 10 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 14834#(<= 1343 (+ (* 9 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 14835#(<= 1351 (+ (* 8 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 14836#(<= 1358 (+ (* 7 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 14837#(<= 1364 (+ (* 6 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 14838#(<= 1369 (+ (* 5 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 14839#(<= 1373 (+ (* 4 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 14840#(<= 1376 (+ (* 3 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 14841#(<= 1378 (+ (* 2 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 14842#(<= 1379 (+ ULTIMATE.start_main_~y~5 ULTIMATE.start_main_~x~5)), 14843#(<= 1379 ULTIMATE.start_main_~x~5), 14844#(<= (+ ULTIMATE.start_main_~y~5 1378) ULTIMATE.start_main_~x~5)] [2018-07-23 13:42:21,033 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 13:42:21,033 INFO L450 AbstractCegarLoop]: Interpolant automaton has 57 states [2018-07-23 13:42:21,033 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 57 interpolants. [2018-07-23 13:42:21,034 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=111, Invalid=3081, Unknown=0, NotChecked=0, Total=3192 [2018-07-23 13:42:21,034 INFO L87 Difference]: Start difference. First operand 113 states and 113 transitions. Second operand 57 states. [2018-07-23 13:42:21,604 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-07-23 13:42:21,604 INFO L93 Difference]: Finished difference Result 117 states and 117 transitions. [2018-07-23 13:42:21,604 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 57 states. [2018-07-23 13:42:21,604 INFO L78 Accepts]: Start accepts. Automaton has 57 states. Word has length 112 [2018-07-23 13:42:21,604 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-07-23 13:42:21,605 INFO L225 Difference]: With dead ends: 117 [2018-07-23 13:42:21,605 INFO L226 Difference]: Without dead ends: 115 [2018-07-23 13:42:21,606 INFO L575 BasicCegarLoop]: 0 DeclaredPredicates, 56 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 55 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=111, Invalid=3081, Unknown=0, NotChecked=0, Total=3192 [2018-07-23 13:42:21,606 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 115 states. [2018-07-23 13:42:21,629 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 115 to 115. [2018-07-23 13:42:21,629 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 115 states. [2018-07-23 13:42:21,630 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 115 states to 115 states and 115 transitions. [2018-07-23 13:42:21,630 INFO L78 Accepts]: Start accepts. Automaton has 115 states and 115 transitions. Word has length 112 [2018-07-23 13:42:21,630 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-07-23 13:42:21,630 INFO L471 AbstractCegarLoop]: Abstraction has 115 states and 115 transitions. [2018-07-23 13:42:21,630 INFO L472 AbstractCegarLoop]: Interpolant automaton has 57 states. [2018-07-23 13:42:21,630 INFO L276 IsEmpty]: Start isEmpty. Operand 115 states and 115 transitions. [2018-07-23 13:42:21,631 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 115 [2018-07-23 13:42:21,631 INFO L349 BasicCegarLoop]: Found error trace [2018-07-23 13:42:21,631 INFO L357 BasicCegarLoop]: trace histogram [56, 55, 1, 1, 1] [2018-07-23 13:42:21,631 INFO L414 AbstractCegarLoop]: === Iteration 56 === [ULTIMATE.startErr0AssertViolationASSERT]=== [2018-07-23 13:42:21,631 INFO L82 PathProgramCache]: Analyzing trace with hash -1657936087, now seen corresponding path program 55 times [2018-07-23 13:42:21,631 INFO L69 tionRefinementEngine]: Using refinement strategy FixedRefinementStrategy [2018-07-23 13:42:21,676 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-07-23 13:42:21,933 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 13:42:21,933 INFO L309 seRefinementStrategy]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2018-07-23 13:42:21,934 INFO L324 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [57] total 57 [2018-07-23 13:42:21,934 INFO L142 lantAutomatonBuilder]: Constructing canonical interpolant automaton, with selfloop in false state [2018-07-23 13:42:21,934 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-07-23 13:42:21,935 INFO L185 omatonBuilderFactory]: Interpolants [15360#(<= 1422 (+ (* 5 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 15361#(<= 1426 (+ (* 4 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 15362#(<= 1429 (+ (* 3 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 15363#(<= 1431 (+ (* 2 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 15364#(<= 1432 (+ ULTIMATE.start_main_~y~5 ULTIMATE.start_main_~x~5)), 15365#(<= 1432 ULTIMATE.start_main_~x~5), 15366#(<= (+ ULTIMATE.start_main_~y~5 1431) ULTIMATE.start_main_~x~5), 15309#true, 15310#false, 15311#(<= 1 (+ (* 54 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 15312#(<= 54 (+ (* 53 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 15313#(<= 106 (+ (* 52 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 15314#(<= 157 (+ (* 51 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 15315#(<= 207 (+ (* 50 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 15316#(<= 256 (+ (* 49 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 15317#(<= 304 (+ (* 48 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 15318#(<= 351 (+ (* 47 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 15319#(<= 397 (+ (* 46 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 15320#(<= 442 (+ (* 45 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 15321#(<= 486 (+ (* 44 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 15322#(<= 529 (+ (* 43 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 15323#(<= 571 (+ (* 42 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 15324#(<= 612 (+ (* 41 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 15325#(<= 652 (+ (* 40 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 15326#(<= 691 (+ (* 39 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 15327#(<= 729 (+ (* 38 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 15328#(<= 766 (+ (* 37 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 15329#(<= 802 (+ (* 36 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 15330#(<= 837 (+ (* 35 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 15331#(<= 871 (+ (* 34 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 15332#(<= 904 (+ (* 33 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 15333#(<= 936 (+ (* 32 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 15334#(<= 967 (+ (* 31 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 15335#(<= 997 (+ (* 30 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 15336#(<= 1026 (+ (* 29 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 15337#(<= 1054 (+ (* 28 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 15338#(<= 1081 (+ (* 27 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 15339#(<= 1107 (+ (* 26 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 15340#(<= 1132 (+ (* 25 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 15341#(<= 1156 (+ (* 24 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 15342#(<= 1179 (+ (* 23 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 15343#(<= 1201 (+ (* 22 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 15344#(<= 1222 (+ (* 21 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 15345#(<= 1242 (+ (* 20 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 15346#(<= 1261 (+ (* 19 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 15347#(<= 1279 (+ (* 18 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 15348#(<= 1296 (+ (* 17 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 15349#(<= 1312 (+ (* 16 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 15350#(<= 1327 (+ (* 15 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 15351#(<= 1341 (+ (* 14 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 15352#(<= 1354 (+ (* 13 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 15353#(<= 1366 (+ (* 12 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 15354#(<= 1377 (+ (* 11 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 15355#(<= 1387 (+ (* 10 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 15356#(<= 1396 (+ (* 9 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 15357#(<= 1404 (+ (* 8 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 15358#(<= 1411 (+ (* 7 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 15359#(<= 1417 (+ (* 6 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5))] [2018-07-23 13:42:21,935 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 13:42:21,935 INFO L450 AbstractCegarLoop]: Interpolant automaton has 58 states [2018-07-23 13:42:21,935 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 58 interpolants. [2018-07-23 13:42:21,936 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=113, Invalid=3193, Unknown=0, NotChecked=0, Total=3306 [2018-07-23 13:42:21,936 INFO L87 Difference]: Start difference. First operand 115 states and 115 transitions. Second operand 58 states. [2018-07-23 13:42:22,486 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-07-23 13:42:22,486 INFO L93 Difference]: Finished difference Result 119 states and 119 transitions. [2018-07-23 13:42:22,486 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 58 states. [2018-07-23 13:42:22,486 INFO L78 Accepts]: Start accepts. Automaton has 58 states. Word has length 114 [2018-07-23 13:42:22,487 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-07-23 13:42:22,487 INFO L225 Difference]: With dead ends: 119 [2018-07-23 13:42:22,488 INFO L226 Difference]: Without dead ends: 117 [2018-07-23 13:42:22,488 INFO L575 BasicCegarLoop]: 0 DeclaredPredicates, 57 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 56 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=113, Invalid=3193, Unknown=0, NotChecked=0, Total=3306 [2018-07-23 13:42:22,488 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 117 states. [2018-07-23 13:42:22,521 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 117 to 117. [2018-07-23 13:42:22,521 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 117 states. [2018-07-23 13:42:22,522 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 117 states to 117 states and 117 transitions. [2018-07-23 13:42:22,522 INFO L78 Accepts]: Start accepts. Automaton has 117 states and 117 transitions. Word has length 114 [2018-07-23 13:42:22,522 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-07-23 13:42:22,523 INFO L471 AbstractCegarLoop]: Abstraction has 117 states and 117 transitions. [2018-07-23 13:42:22,523 INFO L472 AbstractCegarLoop]: Interpolant automaton has 58 states. [2018-07-23 13:42:22,523 INFO L276 IsEmpty]: Start isEmpty. Operand 117 states and 117 transitions. [2018-07-23 13:42:22,523 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 117 [2018-07-23 13:42:22,523 INFO L349 BasicCegarLoop]: Found error trace [2018-07-23 13:42:22,524 INFO L357 BasicCegarLoop]: trace histogram [57, 56, 1, 1, 1] [2018-07-23 13:42:22,524 INFO L414 AbstractCegarLoop]: === Iteration 57 === [ULTIMATE.startErr0AssertViolationASSERT]=== [2018-07-23 13:42:22,524 INFO L82 PathProgramCache]: Analyzing trace with hash 156220197, now seen corresponding path program 56 times [2018-07-23 13:42:22,524 INFO L69 tionRefinementEngine]: Using refinement strategy FixedRefinementStrategy [2018-07-23 13:42:22,580 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-07-23 13:42:22,945 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 13:42:22,946 INFO L309 seRefinementStrategy]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2018-07-23 13:42:22,946 INFO L324 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [58] total 58 [2018-07-23 13:42:22,946 INFO L142 lantAutomatonBuilder]: Constructing canonical interpolant automaton, with selfloop in false state [2018-07-23 13:42:22,946 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-07-23 13:42:22,947 INFO L185 omatonBuilderFactory]: Interpolants [15872#(<= 1210 (+ (* 24 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 15873#(<= 1233 (+ (* 23 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 15874#(<= 1255 (+ (* 22 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 15875#(<= 1276 (+ (* 21 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 15876#(<= 1296 (+ (* 20 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 15877#(<= 1315 (+ (* 19 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 15878#(<= 1333 (+ (* 18 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 15879#(<= 1350 (+ (* 17 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 15880#(<= 1366 (+ (* 16 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 15881#(<= 1381 (+ (* 15 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 15882#(<= 1395 (+ (* 14 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 15883#(<= 1408 (+ (* 13 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 15884#(<= 1420 (+ (* 12 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 15885#(<= 1431 (+ (* 11 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 15886#(<= 1441 (+ (* 10 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 15887#(<= 1450 (+ (* 9 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 15888#(<= 1458 (+ (* 8 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 15889#(<= 1465 (+ (* 7 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 15890#(<= 1471 (+ (* 6 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 15891#(<= 1476 (+ (* 5 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 15892#(<= 1480 (+ (* 4 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 15893#(<= 1483 (+ (* 3 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 15894#(<= 1485 (+ (* 2 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 15895#(<= 1486 (+ ULTIMATE.start_main_~y~5 ULTIMATE.start_main_~x~5)), 15896#(<= 1486 ULTIMATE.start_main_~x~5), 15897#(<= (+ ULTIMATE.start_main_~y~5 1485) ULTIMATE.start_main_~x~5), 15839#true, 15840#false, 15841#(<= 1 (+ (* 55 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 15842#(<= 55 (+ (* 54 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 15843#(<= 108 (+ (* 53 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 15844#(<= 160 (+ (* 52 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 15845#(<= 211 (+ (* 51 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 15846#(<= 261 (+ (* 50 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 15847#(<= 310 (+ (* 49 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 15848#(<= 358 (+ (* 48 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 15849#(<= 405 (+ (* 47 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 15850#(<= 451 (+ (* 46 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 15851#(<= 496 (+ (* 45 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 15852#(<= 540 (+ (* 44 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 15853#(<= 583 (+ (* 43 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 15854#(<= 625 (+ (* 42 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 15855#(<= 666 (+ (* 41 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 15856#(<= 706 (+ (* 40 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 15857#(<= 745 (+ (* 39 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 15858#(<= 783 (+ (* 38 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 15859#(<= 820 (+ (* 37 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 15860#(<= 856 (+ (* 36 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 15861#(<= 891 (+ (* 35 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 15862#(<= 925 (+ (* 34 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 15863#(<= 958 (+ (* 33 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 15864#(<= 990 (+ (* 32 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 15865#(<= 1021 (+ (* 31 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 15866#(<= 1051 (+ (* 30 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 15867#(<= 1080 (+ (* 29 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 15868#(<= 1108 (+ (* 28 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 15869#(<= 1135 (+ (* 27 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 15870#(<= 1161 (+ (* 26 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 15871#(<= 1186 (+ (* 25 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5))] [2018-07-23 13:42:22,947 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 13:42:22,948 INFO L450 AbstractCegarLoop]: Interpolant automaton has 59 states [2018-07-23 13:42:22,948 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 59 interpolants. [2018-07-23 13:42:22,948 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=115, Invalid=3307, Unknown=0, NotChecked=0, Total=3422 [2018-07-23 13:42:22,949 INFO L87 Difference]: Start difference. First operand 117 states and 117 transitions. Second operand 59 states. [2018-07-23 13:42:23,494 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-07-23 13:42:23,494 INFO L93 Difference]: Finished difference Result 121 states and 121 transitions. [2018-07-23 13:42:23,494 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 59 states. [2018-07-23 13:42:23,494 INFO L78 Accepts]: Start accepts. Automaton has 59 states. Word has length 116 [2018-07-23 13:42:23,494 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-07-23 13:42:23,495 INFO L225 Difference]: With dead ends: 121 [2018-07-23 13:42:23,495 INFO L226 Difference]: Without dead ends: 119 [2018-07-23 13:42:23,496 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 13:42:23,496 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 119 states. [2018-07-23 13:42:23,521 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 119 to 119. [2018-07-23 13:42:23,521 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 119 states. [2018-07-23 13:42:23,521 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 119 states to 119 states and 119 transitions. [2018-07-23 13:42:23,521 INFO L78 Accepts]: Start accepts. Automaton has 119 states and 119 transitions. Word has length 116 [2018-07-23 13:42:23,522 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-07-23 13:42:23,522 INFO L471 AbstractCegarLoop]: Abstraction has 119 states and 119 transitions. [2018-07-23 13:42:23,522 INFO L472 AbstractCegarLoop]: Interpolant automaton has 59 states. [2018-07-23 13:42:23,522 INFO L276 IsEmpty]: Start isEmpty. Operand 119 states and 119 transitions. [2018-07-23 13:42:23,522 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 119 [2018-07-23 13:42:23,522 INFO L349 BasicCegarLoop]: Found error trace [2018-07-23 13:42:23,522 INFO L357 BasicCegarLoop]: trace histogram [58, 57, 1, 1, 1] [2018-07-23 13:42:23,522 INFO L414 AbstractCegarLoop]: === Iteration 58 === [ULTIMATE.startErr0AssertViolationASSERT]=== [2018-07-23 13:42:23,523 INFO L82 PathProgramCache]: Analyzing trace with hash -196313055, now seen corresponding path program 57 times [2018-07-23 13:42:23,523 INFO L69 tionRefinementEngine]: Using refinement strategy FixedRefinementStrategy [2018-07-23 13:42:23,565 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-07-23 13:42:23,845 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 13:42:23,846 INFO L309 seRefinementStrategy]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2018-07-23 13:42:23,846 INFO L324 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [59] total 59 [2018-07-23 13:42:23,846 INFO L142 lantAutomatonBuilder]: Constructing canonical interpolant automaton, with selfloop in false state [2018-07-23 13:42:23,846 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-07-23 13:42:23,846 INFO L185 omatonBuilderFactory]: Interpolants [16384#(<= 215 (+ (* 52 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 16385#(<= 266 (+ (* 51 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 16386#(<= 316 (+ (* 50 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 16387#(<= 365 (+ (* 49 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 16388#(<= 413 (+ (* 48 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 16389#(<= 460 (+ (* 47 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 16390#(<= 506 (+ (* 46 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 16391#(<= 551 (+ (* 45 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 16392#(<= 595 (+ (* 44 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 16393#(<= 638 (+ (* 43 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 16394#(<= 680 (+ (* 42 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 16395#(<= 721 (+ (* 41 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 16396#(<= 761 (+ (* 40 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 16397#(<= 800 (+ (* 39 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 16398#(<= 838 (+ (* 38 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 16399#(<= 875 (+ (* 37 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 16400#(<= 911 (+ (* 36 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 16401#(<= 946 (+ (* 35 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 16402#(<= 980 (+ (* 34 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 16403#(<= 1013 (+ (* 33 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 16404#(<= 1045 (+ (* 32 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 16405#(<= 1076 (+ (* 31 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 16406#(<= 1106 (+ (* 30 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 16407#(<= 1135 (+ (* 29 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 16408#(<= 1163 (+ (* 28 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 16409#(<= 1190 (+ (* 27 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 16410#(<= 1216 (+ (* 26 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 16411#(<= 1241 (+ (* 25 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 16412#(<= 1265 (+ (* 24 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 16413#(<= 1288 (+ (* 23 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 16414#(<= 1310 (+ (* 22 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 16415#(<= 1331 (+ (* 21 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 16416#(<= 1351 (+ (* 20 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 16417#(<= 1370 (+ (* 19 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 16418#(<= 1388 (+ (* 18 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 16419#(<= 1405 (+ (* 17 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 16420#(<= 1421 (+ (* 16 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 16421#(<= 1436 (+ (* 15 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 16422#(<= 1450 (+ (* 14 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 16423#(<= 1463 (+ (* 13 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 16424#(<= 1475 (+ (* 12 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 16425#(<= 1486 (+ (* 11 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 16426#(<= 1496 (+ (* 10 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 16427#(<= 1505 (+ (* 9 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 16428#(<= 1513 (+ (* 8 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 16429#(<= 1520 (+ (* 7 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 16430#(<= 1526 (+ (* 6 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 16431#(<= 1531 (+ (* 5 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 16432#(<= 1535 (+ (* 4 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 16433#(<= 1538 (+ (* 3 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 16434#(<= 1540 (+ (* 2 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 16435#(<= 1541 (+ ULTIMATE.start_main_~y~5 ULTIMATE.start_main_~x~5)), 16436#(<= 1541 ULTIMATE.start_main_~x~5), 16437#(<= (+ ULTIMATE.start_main_~y~5 1540) ULTIMATE.start_main_~x~5), 16378#true, 16379#false, 16380#(<= 1 (+ (* 56 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 16381#(<= 56 (+ (* 55 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 16382#(<= 110 (+ (* 54 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 16383#(<= 163 (+ (* 53 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5))] [2018-07-23 13:42:23,847 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 13:42:23,847 INFO L450 AbstractCegarLoop]: Interpolant automaton has 60 states [2018-07-23 13:42:23,847 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 60 interpolants. [2018-07-23 13:42:23,847 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=117, Invalid=3423, Unknown=0, NotChecked=0, Total=3540 [2018-07-23 13:42:23,848 INFO L87 Difference]: Start difference. First operand 119 states and 119 transitions. Second operand 60 states. [2018-07-23 13:42:24,429 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-07-23 13:42:24,429 INFO L93 Difference]: Finished difference Result 123 states and 123 transitions. [2018-07-23 13:42:24,430 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 60 states. [2018-07-23 13:42:24,430 INFO L78 Accepts]: Start accepts. Automaton has 60 states. Word has length 118 [2018-07-23 13:42:24,430 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-07-23 13:42:24,431 INFO L225 Difference]: With dead ends: 123 [2018-07-23 13:42:24,431 INFO L226 Difference]: Without dead ends: 121 [2018-07-23 13:42:24,431 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 13:42:24,432 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 121 states. [2018-07-23 13:42:24,458 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 121 to 121. [2018-07-23 13:42:24,459 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 121 states. [2018-07-23 13:42:24,459 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 121 states to 121 states and 121 transitions. [2018-07-23 13:42:24,459 INFO L78 Accepts]: Start accepts. Automaton has 121 states and 121 transitions. Word has length 118 [2018-07-23 13:42:24,460 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-07-23 13:42:24,460 INFO L471 AbstractCegarLoop]: Abstraction has 121 states and 121 transitions. [2018-07-23 13:42:24,460 INFO L472 AbstractCegarLoop]: Interpolant automaton has 60 states. [2018-07-23 13:42:24,460 INFO L276 IsEmpty]: Start isEmpty. Operand 121 states and 121 transitions. [2018-07-23 13:42:24,460 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 121 [2018-07-23 13:42:24,460 INFO L349 BasicCegarLoop]: Found error trace [2018-07-23 13:42:24,461 INFO L357 BasicCegarLoop]: trace histogram [59, 58, 1, 1, 1] [2018-07-23 13:42:24,461 INFO L414 AbstractCegarLoop]: === Iteration 59 === [ULTIMATE.startErr0AssertViolationASSERT]=== [2018-07-23 13:42:24,461 INFO L82 PathProgramCache]: Analyzing trace with hash 321648157, now seen corresponding path program 58 times [2018-07-23 13:42:24,461 INFO L69 tionRefinementEngine]: Using refinement strategy FixedRefinementStrategy [2018-07-23 13:42:24,513 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-07-23 13:42:24,810 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 13:42:24,811 INFO L309 seRefinementStrategy]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2018-07-23 13:42:24,811 INFO L324 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [60] total 60 [2018-07-23 13:42:24,811 INFO L142 lantAutomatonBuilder]: Constructing canonical interpolant automaton, with selfloop in false state [2018-07-23 13:42:24,811 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-07-23 13:42:24,812 INFO L185 omatonBuilderFactory]: Interpolants [16926#true, 16927#false, 16928#(<= 1 (+ (* 57 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 16929#(<= 57 (+ (* 56 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 16930#(<= 112 (+ (* 55 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 16931#(<= 166 (+ (* 54 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 16932#(<= 219 (+ (* 53 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 16933#(<= 271 (+ (* 52 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 16934#(<= 322 (+ (* 51 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 16935#(<= 372 (+ (* 50 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 16936#(<= 421 (+ (* 49 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 16937#(<= 469 (+ (* 48 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 16938#(<= 516 (+ (* 47 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 16939#(<= 562 (+ (* 46 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 16940#(<= 607 (+ (* 45 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 16941#(<= 651 (+ (* 44 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 16942#(<= 694 (+ (* 43 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 16943#(<= 736 (+ (* 42 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 16944#(<= 777 (+ (* 41 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 16945#(<= 817 (+ (* 40 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 16946#(<= 856 (+ (* 39 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 16947#(<= 894 (+ (* 38 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 16948#(<= 931 (+ (* 37 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 16949#(<= 967 (+ (* 36 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 16950#(<= 1002 (+ (* 35 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 16951#(<= 1036 (+ (* 34 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 16952#(<= 1069 (+ (* 33 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 16953#(<= 1101 (+ (* 32 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 16954#(<= 1132 (+ (* 31 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 16955#(<= 1162 (+ (* 30 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 16956#(<= 1191 (+ (* 29 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 16957#(<= 1219 (+ (* 28 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 16958#(<= 1246 (+ (* 27 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 16959#(<= 1272 (+ (* 26 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 16960#(<= 1297 (+ (* 25 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 16961#(<= 1321 (+ (* 24 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 16962#(<= 1344 (+ (* 23 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 16963#(<= 1366 (+ (* 22 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 16964#(<= 1387 (+ (* 21 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 16965#(<= 1407 (+ (* 20 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 16966#(<= 1426 (+ (* 19 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 16967#(<= 1444 (+ (* 18 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 16968#(<= 1461 (+ (* 17 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 16969#(<= 1477 (+ (* 16 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 16970#(<= 1492 (+ (* 15 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 16971#(<= 1506 (+ (* 14 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 16972#(<= 1519 (+ (* 13 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 16973#(<= 1531 (+ (* 12 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 16974#(<= 1542 (+ (* 11 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 16975#(<= 1552 (+ (* 10 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 16976#(<= 1561 (+ (* 9 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 16977#(<= 1569 (+ (* 8 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 16978#(<= 1576 (+ (* 7 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 16979#(<= 1582 (+ (* 6 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 16980#(<= 1587 (+ (* 5 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 16981#(<= 1591 (+ (* 4 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 16982#(<= 1594 (+ (* 3 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 16983#(<= 1596 (+ (* 2 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 16984#(<= 1597 (+ ULTIMATE.start_main_~y~5 ULTIMATE.start_main_~x~5)), 16985#(<= 1597 ULTIMATE.start_main_~x~5), 16986#(<= (+ ULTIMATE.start_main_~y~5 1596) ULTIMATE.start_main_~x~5)] [2018-07-23 13:42:24,812 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 13:42:24,812 INFO L450 AbstractCegarLoop]: Interpolant automaton has 61 states [2018-07-23 13:42:24,812 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 61 interpolants. [2018-07-23 13:42:24,812 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=119, Invalid=3541, Unknown=0, NotChecked=0, Total=3660 [2018-07-23 13:42:24,813 INFO L87 Difference]: Start difference. First operand 121 states and 121 transitions. Second operand 61 states. [2018-07-23 13:42:25,456 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-07-23 13:42:25,456 INFO L93 Difference]: Finished difference Result 125 states and 125 transitions. [2018-07-23 13:42:25,457 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 61 states. [2018-07-23 13:42:25,457 INFO L78 Accepts]: Start accepts. Automaton has 61 states. Word has length 120 [2018-07-23 13:42:25,457 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-07-23 13:42:25,458 INFO L225 Difference]: With dead ends: 125 [2018-07-23 13:42:25,458 INFO L226 Difference]: Without dead ends: 123 [2018-07-23 13:42:25,458 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 13:42:25,459 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 123 states. [2018-07-23 13:42:25,487 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 123 to 123. [2018-07-23 13:42:25,487 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 123 states. [2018-07-23 13:42:25,488 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 123 states to 123 states and 123 transitions. [2018-07-23 13:42:25,488 INFO L78 Accepts]: Start accepts. Automaton has 123 states and 123 transitions. Word has length 120 [2018-07-23 13:42:25,488 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-07-23 13:42:25,488 INFO L471 AbstractCegarLoop]: Abstraction has 123 states and 123 transitions. [2018-07-23 13:42:25,488 INFO L472 AbstractCegarLoop]: Interpolant automaton has 61 states. [2018-07-23 13:42:25,488 INFO L276 IsEmpty]: Start isEmpty. Operand 123 states and 123 transitions. [2018-07-23 13:42:25,489 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 123 [2018-07-23 13:42:25,489 INFO L349 BasicCegarLoop]: Found error trace [2018-07-23 13:42:25,489 INFO L357 BasicCegarLoop]: trace histogram [60, 59, 1, 1, 1] [2018-07-23 13:42:25,489 INFO L414 AbstractCegarLoop]: === Iteration 60 === [ULTIMATE.startErr0AssertViolationASSERT]=== [2018-07-23 13:42:25,489 INFO L82 PathProgramCache]: Analyzing trace with hash -133833447, now seen corresponding path program 59 times [2018-07-23 13:42:25,489 INFO L69 tionRefinementEngine]: Using refinement strategy FixedRefinementStrategy [2018-07-23 13:42:25,534 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-07-23 13:42:25,865 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 13:42:25,866 INFO L309 seRefinementStrategy]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2018-07-23 13:42:25,866 INFO L324 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [61] total 61 [2018-07-23 13:42:25,866 INFO L142 lantAutomatonBuilder]: Constructing canonical interpolant automaton, with selfloop in false state [2018-07-23 13:42:25,866 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-07-23 13:42:25,866 INFO L185 omatonBuilderFactory]: Interpolants [17536#(<= 1633 (+ (* 7 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 17537#(<= 1639 (+ (* 6 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 17538#(<= 1644 (+ (* 5 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 17539#(<= 1648 (+ (* 4 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 17540#(<= 1651 (+ (* 3 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 17541#(<= 1653 (+ (* 2 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 17542#(<= 1654 (+ ULTIMATE.start_main_~y~5 ULTIMATE.start_main_~x~5)), 17543#(<= 1654 ULTIMATE.start_main_~x~5), 17544#(<= (+ ULTIMATE.start_main_~y~5 1653) ULTIMATE.start_main_~x~5), 17483#true, 17484#false, 17485#(<= 1 (+ (* 58 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 17486#(<= 58 (+ (* 57 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 17487#(<= 114 (+ (* 56 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 17488#(<= 169 (+ (* 55 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 17489#(<= 223 (+ (* 54 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 17490#(<= 276 (+ (* 53 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 17491#(<= 328 (+ (* 52 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 17492#(<= 379 (+ (* 51 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 17493#(<= 429 (+ (* 50 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 17494#(<= 478 (+ (* 49 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 17495#(<= 526 (+ (* 48 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 17496#(<= 573 (+ (* 47 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 17497#(<= 619 (+ (* 46 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 17498#(<= 664 (+ (* 45 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 17499#(<= 708 (+ (* 44 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 17500#(<= 751 (+ (* 43 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 17501#(<= 793 (+ (* 42 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 17502#(<= 834 (+ (* 41 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 17503#(<= 874 (+ (* 40 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 17504#(<= 913 (+ (* 39 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 17505#(<= 951 (+ (* 38 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 17506#(<= 988 (+ (* 37 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 17507#(<= 1024 (+ (* 36 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 17508#(<= 1059 (+ (* 35 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 17509#(<= 1093 (+ (* 34 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 17510#(<= 1126 (+ (* 33 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 17511#(<= 1158 (+ (* 32 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 17512#(<= 1189 (+ (* 31 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 17513#(<= 1219 (+ (* 30 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 17514#(<= 1248 (+ (* 29 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 17515#(<= 1276 (+ (* 28 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 17516#(<= 1303 (+ (* 27 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 17517#(<= 1329 (+ (* 26 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 17518#(<= 1354 (+ (* 25 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 17519#(<= 1378 (+ (* 24 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 17520#(<= 1401 (+ (* 23 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 17521#(<= 1423 (+ (* 22 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 17522#(<= 1444 (+ (* 21 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 17523#(<= 1464 (+ (* 20 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 17524#(<= 1483 (+ (* 19 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 17525#(<= 1501 (+ (* 18 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 17526#(<= 1518 (+ (* 17 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 17527#(<= 1534 (+ (* 16 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 17528#(<= 1549 (+ (* 15 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 17529#(<= 1563 (+ (* 14 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 17530#(<= 1576 (+ (* 13 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 17531#(<= 1588 (+ (* 12 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 17532#(<= 1599 (+ (* 11 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 17533#(<= 1609 (+ (* 10 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 17534#(<= 1618 (+ (* 9 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 17535#(<= 1626 (+ (* 8 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5))] [2018-07-23 13:42:25,867 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 13:42:25,867 INFO L450 AbstractCegarLoop]: Interpolant automaton has 62 states [2018-07-23 13:42:25,867 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 62 interpolants. [2018-07-23 13:42:25,867 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=121, Invalid=3661, Unknown=0, NotChecked=0, Total=3782 [2018-07-23 13:42:25,867 INFO L87 Difference]: Start difference. First operand 123 states and 123 transitions. Second operand 62 states. [2018-07-23 13:42:26,485 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-07-23 13:42:26,485 INFO L93 Difference]: Finished difference Result 127 states and 127 transitions. [2018-07-23 13:42:26,485 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 62 states. [2018-07-23 13:42:26,486 INFO L78 Accepts]: Start accepts. Automaton has 62 states. Word has length 122 [2018-07-23 13:42:26,486 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-07-23 13:42:26,487 INFO L225 Difference]: With dead ends: 127 [2018-07-23 13:42:26,487 INFO L226 Difference]: Without dead ends: 125 [2018-07-23 13:42:26,487 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 13:42:26,488 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 125 states. [2018-07-23 13:42:26,518 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 125 to 125. [2018-07-23 13:42:26,518 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 125 states. [2018-07-23 13:42:26,518 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 125 states to 125 states and 125 transitions. [2018-07-23 13:42:26,519 INFO L78 Accepts]: Start accepts. Automaton has 125 states and 125 transitions. Word has length 122 [2018-07-23 13:42:26,519 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-07-23 13:42:26,519 INFO L471 AbstractCegarLoop]: Abstraction has 125 states and 125 transitions. [2018-07-23 13:42:26,519 INFO L472 AbstractCegarLoop]: Interpolant automaton has 62 states. [2018-07-23 13:42:26,519 INFO L276 IsEmpty]: Start isEmpty. Operand 125 states and 125 transitions. [2018-07-23 13:42:26,520 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 125 [2018-07-23 13:42:26,520 INFO L349 BasicCegarLoop]: Found error trace [2018-07-23 13:42:26,520 INFO L357 BasicCegarLoop]: trace histogram [61, 60, 1, 1, 1] [2018-07-23 13:42:26,520 INFO L414 AbstractCegarLoop]: === Iteration 61 === [ULTIMATE.startErr0AssertViolationASSERT]=== [2018-07-23 13:42:26,520 INFO L82 PathProgramCache]: Analyzing trace with hash 235009301, now seen corresponding path program 60 times [2018-07-23 13:42:26,520 INFO L69 tionRefinementEngine]: Using refinement strategy FixedRefinementStrategy [2018-07-23 13:42:26,585 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-07-23 13:42:26,891 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 13:42:26,892 INFO L309 seRefinementStrategy]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2018-07-23 13:42:26,892 INFO L324 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [62] total 62 [2018-07-23 13:42:26,892 INFO L142 lantAutomatonBuilder]: Constructing canonical interpolant automaton, with selfloop in false state [2018-07-23 13:42:26,892 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-07-23 13:42:26,892 INFO L185 omatonBuilderFactory]: Interpolants [18049#true, 18050#false, 18051#(<= 1 (+ (* 59 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 18052#(<= 59 (+ (* 58 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 18053#(<= 116 (+ (* 57 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 18054#(<= 172 (+ (* 56 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 18055#(<= 227 (+ (* 55 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 18056#(<= 281 (+ (* 54 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 18057#(<= 334 (+ (* 53 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 18058#(<= 386 (+ (* 52 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 18059#(<= 437 (+ (* 51 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 18060#(<= 487 (+ (* 50 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 18061#(<= 536 (+ (* 49 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 18062#(<= 584 (+ (* 48 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 18063#(<= 631 (+ (* 47 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 18064#(<= 677 (+ (* 46 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 18065#(<= 722 (+ (* 45 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 18066#(<= 766 (+ (* 44 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 18067#(<= 809 (+ (* 43 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 18068#(<= 851 (+ (* 42 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 18069#(<= 892 (+ (* 41 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 18070#(<= 932 (+ (* 40 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 18071#(<= 971 (+ (* 39 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 18072#(<= 1009 (+ (* 38 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 18073#(<= 1046 (+ (* 37 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 18074#(<= 1082 (+ (* 36 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 18075#(<= 1117 (+ (* 35 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 18076#(<= 1151 (+ (* 34 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 18077#(<= 1184 (+ (* 33 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 18078#(<= 1216 (+ (* 32 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 18079#(<= 1247 (+ (* 31 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 18080#(<= 1277 (+ (* 30 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 18081#(<= 1306 (+ (* 29 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 18082#(<= 1334 (+ (* 28 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 18083#(<= 1361 (+ (* 27 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 18084#(<= 1387 (+ (* 26 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 18085#(<= 1412 (+ (* 25 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 18086#(<= 1436 (+ (* 24 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 18087#(<= 1459 (+ (* 23 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 18088#(<= 1481 (+ (* 22 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 18089#(<= 1502 (+ (* 21 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 18090#(<= 1522 (+ (* 20 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 18091#(<= 1541 (+ (* 19 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 18092#(<= 1559 (+ (* 18 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 18093#(<= 1576 (+ (* 17 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 18094#(<= 1592 (+ (* 16 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 18095#(<= 1607 (+ (* 15 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 18096#(<= 1621 (+ (* 14 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 18097#(<= 1634 (+ (* 13 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 18098#(<= 1646 (+ (* 12 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 18099#(<= 1657 (+ (* 11 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 18100#(<= 1667 (+ (* 10 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 18101#(<= 1676 (+ (* 9 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 18102#(<= 1684 (+ (* 8 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 18103#(<= 1691 (+ (* 7 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 18104#(<= 1697 (+ (* 6 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 18105#(<= 1702 (+ (* 5 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 18106#(<= 1706 (+ (* 4 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 18107#(<= 1709 (+ (* 3 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 18108#(<= 1711 (+ (* 2 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 18109#(<= 1712 (+ ULTIMATE.start_main_~y~5 ULTIMATE.start_main_~x~5)), 18110#(<= 1712 ULTIMATE.start_main_~x~5), 18111#(<= (+ ULTIMATE.start_main_~y~5 1711) ULTIMATE.start_main_~x~5)] [2018-07-23 13:42:26,893 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 13:42:26,893 INFO L450 AbstractCegarLoop]: Interpolant automaton has 63 states [2018-07-23 13:42:26,893 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 63 interpolants. [2018-07-23 13:42:26,893 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=123, Invalid=3783, Unknown=0, NotChecked=0, Total=3906 [2018-07-23 13:42:26,894 INFO L87 Difference]: Start difference. First operand 125 states and 125 transitions. Second operand 63 states. [2018-07-23 13:42:27,578 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-07-23 13:42:27,578 INFO L93 Difference]: Finished difference Result 129 states and 129 transitions. [2018-07-23 13:42:27,579 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 63 states. [2018-07-23 13:42:27,579 INFO L78 Accepts]: Start accepts. Automaton has 63 states. Word has length 124 [2018-07-23 13:42:27,579 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-07-23 13:42:27,580 INFO L225 Difference]: With dead ends: 129 [2018-07-23 13:42:27,580 INFO L226 Difference]: Without dead ends: 127 [2018-07-23 13:42:27,581 INFO L575 BasicCegarLoop]: 0 DeclaredPredicates, 62 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 61 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=123, Invalid=3783, Unknown=0, NotChecked=0, Total=3906 [2018-07-23 13:42:27,581 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 127 states. [2018-07-23 13:42:27,621 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 127 to 127. [2018-07-23 13:42:27,621 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 127 states. [2018-07-23 13:42:27,622 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 127 states to 127 states and 127 transitions. [2018-07-23 13:42:27,622 INFO L78 Accepts]: Start accepts. Automaton has 127 states and 127 transitions. Word has length 124 [2018-07-23 13:42:27,622 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-07-23 13:42:27,623 INFO L471 AbstractCegarLoop]: Abstraction has 127 states and 127 transitions. [2018-07-23 13:42:27,623 INFO L472 AbstractCegarLoop]: Interpolant automaton has 63 states. [2018-07-23 13:42:27,623 INFO L276 IsEmpty]: Start isEmpty. Operand 127 states and 127 transitions. [2018-07-23 13:42:27,626 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 127 [2018-07-23 13:42:27,626 INFO L349 BasicCegarLoop]: Found error trace [2018-07-23 13:42:27,626 INFO L357 BasicCegarLoop]: trace histogram [62, 61, 1, 1, 1] [2018-07-23 13:42:27,626 INFO L414 AbstractCegarLoop]: === Iteration 62 === [ULTIMATE.startErr0AssertViolationASSERT]=== [2018-07-23 13:42:27,626 INFO L82 PathProgramCache]: Analyzing trace with hash -1789395439, now seen corresponding path program 61 times [2018-07-23 13:42:27,627 INFO L69 tionRefinementEngine]: Using refinement strategy FixedRefinementStrategy [2018-07-23 13:42:27,703 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-07-23 13:42:28,058 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 13:42:28,058 INFO L309 seRefinementStrategy]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2018-07-23 13:42:28,058 INFO L324 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [63] total 63 [2018-07-23 13:42:28,059 INFO L142 lantAutomatonBuilder]: Constructing canonical interpolant automaton, with selfloop in false state [2018-07-23 13:42:28,059 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-07-23 13:42:28,059 INFO L185 omatonBuilderFactory]: Interpolants [18624#true, 18625#false, 18626#(<= 1 (+ (* 60 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 18627#(<= 60 (+ (* 59 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 18628#(<= 118 (+ (* 58 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 18629#(<= 175 (+ (* 57 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 18630#(<= 231 (+ (* 56 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 18631#(<= 286 (+ (* 55 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 18632#(<= 340 (+ (* 54 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 18633#(<= 393 (+ (* 53 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 18634#(<= 445 (+ (* 52 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 18635#(<= 496 (+ (* 51 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 18636#(<= 546 (+ (* 50 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 18637#(<= 595 (+ (* 49 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 18638#(<= 643 (+ (* 48 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 18639#(<= 690 (+ (* 47 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 18640#(<= 736 (+ (* 46 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 18641#(<= 781 (+ (* 45 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 18642#(<= 825 (+ (* 44 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 18643#(<= 868 (+ (* 43 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 18644#(<= 910 (+ (* 42 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 18645#(<= 951 (+ (* 41 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 18646#(<= 991 (+ (* 40 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 18647#(<= 1030 (+ (* 39 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 18648#(<= 1068 (+ (* 38 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 18649#(<= 1105 (+ (* 37 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 18650#(<= 1141 (+ (* 36 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 18651#(<= 1176 (+ (* 35 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 18652#(<= 1210 (+ (* 34 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 18653#(<= 1243 (+ (* 33 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 18654#(<= 1275 (+ (* 32 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 18655#(<= 1306 (+ (* 31 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 18656#(<= 1336 (+ (* 30 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 18657#(<= 1365 (+ (* 29 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 18658#(<= 1393 (+ (* 28 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 18659#(<= 1420 (+ (* 27 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 18660#(<= 1446 (+ (* 26 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 18661#(<= 1471 (+ (* 25 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 18662#(<= 1495 (+ (* 24 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 18663#(<= 1518 (+ (* 23 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 18664#(<= 1540 (+ (* 22 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 18665#(<= 1561 (+ (* 21 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 18666#(<= 1581 (+ (* 20 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 18667#(<= 1600 (+ (* 19 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 18668#(<= 1618 (+ (* 18 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 18669#(<= 1635 (+ (* 17 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 18670#(<= 1651 (+ (* 16 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 18671#(<= 1666 (+ (* 15 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 18672#(<= 1680 (+ (* 14 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 18673#(<= 1693 (+ (* 13 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 18674#(<= 1705 (+ (* 12 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 18675#(<= 1716 (+ (* 11 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 18676#(<= 1726 (+ (* 10 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 18677#(<= 1735 (+ (* 9 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 18678#(<= 1743 (+ (* 8 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 18679#(<= 1750 (+ (* 7 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 18680#(<= 1756 (+ (* 6 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 18681#(<= 1761 (+ (* 5 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 18682#(<= 1765 (+ (* 4 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 18683#(<= 1768 (+ (* 3 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 18684#(<= 1770 (+ (* 2 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 18685#(<= 1771 (+ ULTIMATE.start_main_~y~5 ULTIMATE.start_main_~x~5)), 18686#(<= 1771 ULTIMATE.start_main_~x~5), 18687#(<= (+ ULTIMATE.start_main_~y~5 1770) ULTIMATE.start_main_~x~5)] [2018-07-23 13:42:28,060 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 13:42:28,060 INFO L450 AbstractCegarLoop]: Interpolant automaton has 64 states [2018-07-23 13:42:28,060 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 64 interpolants. [2018-07-23 13:42:28,060 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=125, Invalid=3907, Unknown=0, NotChecked=0, Total=4032 [2018-07-23 13:42:28,061 INFO L87 Difference]: Start difference. First operand 127 states and 127 transitions. Second operand 64 states. [2018-07-23 13:42:28,845 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-07-23 13:42:28,845 INFO L93 Difference]: Finished difference Result 131 states and 131 transitions. [2018-07-23 13:42:28,845 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 64 states. [2018-07-23 13:42:28,845 INFO L78 Accepts]: Start accepts. Automaton has 64 states. Word has length 126 [2018-07-23 13:42:28,846 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-07-23 13:42:28,846 INFO L225 Difference]: With dead ends: 131 [2018-07-23 13:42:28,846 INFO L226 Difference]: Without dead ends: 129 [2018-07-23 13:42:28,847 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 13:42:28,847 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 129 states. [2018-07-23 13:42:28,916 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 129 to 129. [2018-07-23 13:42:28,916 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 129 states. [2018-07-23 13:42:28,917 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 129 states to 129 states and 129 transitions. [2018-07-23 13:42:28,917 INFO L78 Accepts]: Start accepts. Automaton has 129 states and 129 transitions. Word has length 126 [2018-07-23 13:42:28,917 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-07-23 13:42:28,917 INFO L471 AbstractCegarLoop]: Abstraction has 129 states and 129 transitions. [2018-07-23 13:42:28,917 INFO L472 AbstractCegarLoop]: Interpolant automaton has 64 states. [2018-07-23 13:42:28,918 INFO L276 IsEmpty]: Start isEmpty. Operand 129 states and 129 transitions. [2018-07-23 13:42:28,918 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 129 [2018-07-23 13:42:28,918 INFO L349 BasicCegarLoop]: Found error trace [2018-07-23 13:42:28,918 INFO L357 BasicCegarLoop]: trace histogram [63, 62, 1, 1, 1] [2018-07-23 13:42:28,919 INFO L414 AbstractCegarLoop]: === Iteration 63 === [ULTIMATE.startErr0AssertViolationASSERT]=== [2018-07-23 13:42:28,919 INFO L82 PathProgramCache]: Analyzing trace with hash -1622165491, now seen corresponding path program 62 times [2018-07-23 13:42:28,919 INFO L69 tionRefinementEngine]: Using refinement strategy FixedRefinementStrategy [2018-07-23 13:42:28,974 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-07-23 13:42:29,308 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 13:42:29,308 INFO L309 seRefinementStrategy]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2018-07-23 13:42:29,308 INFO L324 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [64] total 64 [2018-07-23 13:42:29,308 INFO L142 lantAutomatonBuilder]: Constructing canonical interpolant automaton, with selfloop in false state [2018-07-23 13:42:29,309 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-07-23 13:42:29,309 INFO L185 omatonBuilderFactory]: Interpolants [19208#true, 19209#false, 19210#(<= 1 (+ (* 61 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 19211#(<= 61 (+ (* 60 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 19212#(<= 120 (+ (* 59 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 19213#(<= 178 (+ (* 58 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 19214#(<= 235 (+ (* 57 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 19215#(<= 291 (+ (* 56 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 19216#(<= 346 (+ (* 55 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 19217#(<= 400 (+ (* 54 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 19218#(<= 453 (+ (* 53 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 19219#(<= 505 (+ (* 52 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 19220#(<= 556 (+ (* 51 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 19221#(<= 606 (+ (* 50 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 19222#(<= 655 (+ (* 49 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 19223#(<= 703 (+ (* 48 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 19224#(<= 750 (+ (* 47 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 19225#(<= 796 (+ (* 46 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 19226#(<= 841 (+ (* 45 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 19227#(<= 885 (+ (* 44 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 19228#(<= 928 (+ (* 43 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 19229#(<= 970 (+ (* 42 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 19230#(<= 1011 (+ (* 41 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 19231#(<= 1051 (+ (* 40 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 19232#(<= 1090 (+ (* 39 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 19233#(<= 1128 (+ (* 38 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 19234#(<= 1165 (+ (* 37 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 19235#(<= 1201 (+ (* 36 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 19236#(<= 1236 (+ (* 35 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 19237#(<= 1270 (+ (* 34 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 19238#(<= 1303 (+ (* 33 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 19239#(<= 1335 (+ (* 32 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 19240#(<= 1366 (+ (* 31 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 19241#(<= 1396 (+ (* 30 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 19242#(<= 1425 (+ (* 29 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 19243#(<= 1453 (+ (* 28 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 19244#(<= 1480 (+ (* 27 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 19245#(<= 1506 (+ (* 26 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 19246#(<= 1531 (+ (* 25 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 19247#(<= 1555 (+ (* 24 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 19248#(<= 1578 (+ (* 23 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 19249#(<= 1600 (+ (* 22 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 19250#(<= 1621 (+ (* 21 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 19251#(<= 1641 (+ (* 20 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 19252#(<= 1660 (+ (* 19 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 19253#(<= 1678 (+ (* 18 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 19254#(<= 1695 (+ (* 17 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 19255#(<= 1711 (+ (* 16 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 19256#(<= 1726 (+ (* 15 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 19257#(<= 1740 (+ (* 14 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 19258#(<= 1753 (+ (* 13 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 19259#(<= 1765 (+ (* 12 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 19260#(<= 1776 (+ (* 11 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 19261#(<= 1786 (+ (* 10 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 19262#(<= 1795 (+ (* 9 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 19263#(<= 1803 (+ (* 8 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 19264#(<= 1810 (+ (* 7 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 19265#(<= 1816 (+ (* 6 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 19266#(<= 1821 (+ (* 5 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 19267#(<= 1825 (+ (* 4 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 19268#(<= 1828 (+ (* 3 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 19269#(<= 1830 (+ (* 2 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 19270#(<= 1831 (+ ULTIMATE.start_main_~y~5 ULTIMATE.start_main_~x~5)), 19271#(<= 1831 ULTIMATE.start_main_~x~5), 19272#(<= (+ ULTIMATE.start_main_~y~5 1830) ULTIMATE.start_main_~x~5)] [2018-07-23 13:42:29,310 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 13:42:29,310 INFO L450 AbstractCegarLoop]: Interpolant automaton has 65 states [2018-07-23 13:42:29,310 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 65 interpolants. [2018-07-23 13:42:29,310 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=127, Invalid=4033, Unknown=0, NotChecked=0, Total=4160 [2018-07-23 13:42:29,311 INFO L87 Difference]: Start difference. First operand 129 states and 129 transitions. Second operand 65 states. [2018-07-23 13:42:29,992 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-07-23 13:42:29,992 INFO L93 Difference]: Finished difference Result 133 states and 133 transitions. [2018-07-23 13:42:29,992 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 65 states. [2018-07-23 13:42:29,992 INFO L78 Accepts]: Start accepts. Automaton has 65 states. Word has length 128 [2018-07-23 13:42:29,993 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-07-23 13:42:29,993 INFO L225 Difference]: With dead ends: 133 [2018-07-23 13:42:29,993 INFO L226 Difference]: Without dead ends: 131 [2018-07-23 13:42:29,994 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 13:42:29,994 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 131 states. [2018-07-23 13:42:30,028 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 131 to 131. [2018-07-23 13:42:30,028 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 131 states. [2018-07-23 13:42:30,029 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 131 states to 131 states and 131 transitions. [2018-07-23 13:42:30,029 INFO L78 Accepts]: Start accepts. Automaton has 131 states and 131 transitions. Word has length 128 [2018-07-23 13:42:30,029 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-07-23 13:42:30,029 INFO L471 AbstractCegarLoop]: Abstraction has 131 states and 131 transitions. [2018-07-23 13:42:30,029 INFO L472 AbstractCegarLoop]: Interpolant automaton has 65 states. [2018-07-23 13:42:30,029 INFO L276 IsEmpty]: Start isEmpty. Operand 131 states and 131 transitions. [2018-07-23 13:42:30,030 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 131 [2018-07-23 13:42:30,030 INFO L349 BasicCegarLoop]: Found error trace [2018-07-23 13:42:30,031 INFO L357 BasicCegarLoop]: trace histogram [64, 63, 1, 1, 1] [2018-07-23 13:42:30,031 INFO L414 AbstractCegarLoop]: === Iteration 64 === [ULTIMATE.startErr0AssertViolationASSERT]=== [2018-07-23 13:42:30,031 INFO L82 PathProgramCache]: Analyzing trace with hash 172024585, now seen corresponding path program 63 times [2018-07-23 13:42:30,031 INFO L69 tionRefinementEngine]: Using refinement strategy FixedRefinementStrategy [2018-07-23 13:42:30,091 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-07-23 13:42:30,439 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 13:42:30,440 INFO L309 seRefinementStrategy]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2018-07-23 13:42:30,440 INFO L324 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [65] total 65 [2018-07-23 13:42:30,440 INFO L142 lantAutomatonBuilder]: Constructing canonical interpolant automaton, with selfloop in false state [2018-07-23 13:42:30,440 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 13:42:30,441 INFO L185 omatonBuilderFactory]: Interpolants [19840#(<= 1592 (+ (* 25 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 19841#(<= 1616 (+ (* 24 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 19842#(<= 1639 (+ (* 23 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 19843#(<= 1661 (+ (* 22 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 19844#(<= 1682 (+ (* 21 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 19845#(<= 1702 (+ (* 20 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 19846#(<= 1721 (+ (* 19 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 19847#(<= 1739 (+ (* 18 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 19848#(<= 1756 (+ (* 17 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 19849#(<= 1772 (+ (* 16 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 19850#(<= 1787 (+ (* 15 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 19851#(<= 1801 (+ (* 14 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 19852#(<= 1814 (+ (* 13 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 19853#(<= 1826 (+ (* 12 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 19854#(<= 1837 (+ (* 11 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 19855#(<= 1847 (+ (* 10 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 19856#(<= 1856 (+ (* 9 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 19857#(<= 1864 (+ (* 8 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 19858#(<= 1871 (+ (* 7 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 19859#(<= 1877 (+ (* 6 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 19860#(<= 1882 (+ (* 5 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 19861#(<= 1886 (+ (* 4 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 19862#(<= 1889 (+ (* 3 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 19863#(<= 1891 (+ (* 2 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 19864#(<= 1892 (+ ULTIMATE.start_main_~y~5 ULTIMATE.start_main_~x~5)), 19865#(<= 1892 ULTIMATE.start_main_~x~5), 19866#(<= (+ ULTIMATE.start_main_~y~5 1891) ULTIMATE.start_main_~x~5), 19801#true, 19802#false, 19803#(<= 1 (+ (* 62 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 19804#(<= 62 (+ (* 61 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 19805#(<= 122 (+ (* 60 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 19806#(<= 181 (+ (* 59 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 19807#(<= 239 (+ (* 58 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 19808#(<= 296 (+ (* 57 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 19809#(<= 352 (+ (* 56 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 19810#(<= 407 (+ (* 55 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 19811#(<= 461 (+ (* 54 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 19812#(<= 514 (+ (* 53 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 19813#(<= 566 (+ (* 52 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 19814#(<= 617 (+ (* 51 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 19815#(<= 667 (+ (* 50 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 19816#(<= 716 (+ (* 49 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 19817#(<= 764 (+ (* 48 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 19818#(<= 811 (+ (* 47 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 19819#(<= 857 (+ (* 46 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 19820#(<= 902 (+ (* 45 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 19821#(<= 946 (+ (* 44 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 19822#(<= 989 (+ (* 43 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 19823#(<= 1031 (+ (* 42 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 19824#(<= 1072 (+ (* 41 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 19825#(<= 1112 (+ (* 40 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 19826#(<= 1151 (+ (* 39 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 19827#(<= 1189 (+ (* 38 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 19828#(<= 1226 (+ (* 37 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 19829#(<= 1262 (+ (* 36 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 19830#(<= 1297 (+ (* 35 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 19831#(<= 1331 (+ (* 34 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 19832#(<= 1364 (+ (* 33 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 19833#(<= 1396 (+ (* 32 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 19834#(<= 1427 (+ (* 31 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 19835#(<= 1457 (+ (* 30 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 19836#(<= 1486 (+ (* 29 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 19837#(<= 1514 (+ (* 28 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 19838#(<= 1541 (+ (* 27 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 19839#(<= 1567 (+ (* 26 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5))] [2018-07-23 13:42:30,441 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 13:42:30,441 INFO L450 AbstractCegarLoop]: Interpolant automaton has 66 states [2018-07-23 13:42:30,442 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 66 interpolants. [2018-07-23 13:42:30,442 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=129, Invalid=4161, Unknown=0, NotChecked=0, Total=4290 [2018-07-23 13:42:30,442 INFO L87 Difference]: Start difference. First operand 131 states and 131 transitions. Second operand 66 states. [2018-07-23 13:42:31,118 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-07-23 13:42:31,118 INFO L93 Difference]: Finished difference Result 135 states and 135 transitions. [2018-07-23 13:42:31,118 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 66 states. [2018-07-23 13:42:31,118 INFO L78 Accepts]: Start accepts. Automaton has 66 states. Word has length 130 [2018-07-23 13:42:31,119 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-07-23 13:42:31,119 INFO L225 Difference]: With dead ends: 135 [2018-07-23 13:42:31,119 INFO L226 Difference]: Without dead ends: 133 [2018-07-23 13:42:31,120 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 13:42:31,120 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 133 states. [2018-07-23 13:42:31,159 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 133 to 133. [2018-07-23 13:42:31,159 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 133 states. [2018-07-23 13:42:31,159 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 133 states to 133 states and 133 transitions. [2018-07-23 13:42:31,160 INFO L78 Accepts]: Start accepts. Automaton has 133 states and 133 transitions. Word has length 130 [2018-07-23 13:42:31,160 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-07-23 13:42:31,160 INFO L471 AbstractCegarLoop]: Abstraction has 133 states and 133 transitions. [2018-07-23 13:42:31,160 INFO L472 AbstractCegarLoop]: Interpolant automaton has 66 states. [2018-07-23 13:42:31,160 INFO L276 IsEmpty]: Start isEmpty. Operand 133 states and 133 transitions. [2018-07-23 13:42:31,161 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 133 [2018-07-23 13:42:31,161 INFO L349 BasicCegarLoop]: Found error trace [2018-07-23 13:42:31,161 INFO L357 BasicCegarLoop]: trace histogram [65, 64, 1, 1, 1] [2018-07-23 13:42:31,161 INFO L414 AbstractCegarLoop]: === Iteration 65 === [ULTIMATE.startErr0AssertViolationASSERT]=== [2018-07-23 13:42:31,162 INFO L82 PathProgramCache]: Analyzing trace with hash 2106801925, now seen corresponding path program 64 times [2018-07-23 13:42:31,162 INFO L69 tionRefinementEngine]: Using refinement strategy FixedRefinementStrategy [2018-07-23 13:42:31,229 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-07-23 13:42:31,583 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 13:42:31,583 INFO L309 seRefinementStrategy]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2018-07-23 13:42:31,583 INFO L324 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [66] total 66 [2018-07-23 13:42:31,583 INFO L142 lantAutomatonBuilder]: Constructing canonical interpolant automaton, with selfloop in false state [2018-07-23 13:42:31,584 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-07-23 13:42:31,584 INFO L185 omatonBuilderFactory]: Interpolants [20403#true, 20404#false, 20405#(<= 1 (+ (* 63 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 20406#(<= 63 (+ (* 62 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 20407#(<= 124 (+ (* 61 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 20408#(<= 184 (+ (* 60 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 20409#(<= 243 (+ (* 59 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 20410#(<= 301 (+ (* 58 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 20411#(<= 358 (+ (* 57 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 20412#(<= 414 (+ (* 56 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 20413#(<= 469 (+ (* 55 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 20414#(<= 523 (+ (* 54 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 20415#(<= 576 (+ (* 53 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 20416#(<= 628 (+ (* 52 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 20417#(<= 679 (+ (* 51 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 20418#(<= 729 (+ (* 50 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 20419#(<= 778 (+ (* 49 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 20420#(<= 826 (+ (* 48 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 20421#(<= 873 (+ (* 47 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 20422#(<= 919 (+ (* 46 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 20423#(<= 964 (+ (* 45 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 20424#(<= 1008 (+ (* 44 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 20425#(<= 1051 (+ (* 43 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 20426#(<= 1093 (+ (* 42 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 20427#(<= 1134 (+ (* 41 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 20428#(<= 1174 (+ (* 40 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 20429#(<= 1213 (+ (* 39 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 20430#(<= 1251 (+ (* 38 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 20431#(<= 1288 (+ (* 37 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 20432#(<= 1324 (+ (* 36 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 20433#(<= 1359 (+ (* 35 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 20434#(<= 1393 (+ (* 34 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 20435#(<= 1426 (+ (* 33 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 20436#(<= 1458 (+ (* 32 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 20437#(<= 1489 (+ (* 31 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 20438#(<= 1519 (+ (* 30 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 20439#(<= 1548 (+ (* 29 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 20440#(<= 1576 (+ (* 28 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 20441#(<= 1603 (+ (* 27 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 20442#(<= 1629 (+ (* 26 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 20443#(<= 1654 (+ (* 25 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 20444#(<= 1678 (+ (* 24 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 20445#(<= 1701 (+ (* 23 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 20446#(<= 1723 (+ (* 22 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 20447#(<= 1744 (+ (* 21 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 20448#(<= 1764 (+ (* 20 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 20449#(<= 1783 (+ (* 19 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 20450#(<= 1801 (+ (* 18 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 20451#(<= 1818 (+ (* 17 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 20452#(<= 1834 (+ (* 16 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 20453#(<= 1849 (+ (* 15 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 20454#(<= 1863 (+ (* 14 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 20455#(<= 1876 (+ (* 13 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 20456#(<= 1888 (+ (* 12 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 20457#(<= 1899 (+ (* 11 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 20458#(<= 1909 (+ (* 10 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 20459#(<= 1918 (+ (* 9 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 20460#(<= 1926 (+ (* 8 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 20461#(<= 1933 (+ (* 7 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 20462#(<= 1939 (+ (* 6 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 20463#(<= 1944 (+ (* 5 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 20464#(<= 1948 (+ (* 4 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 20465#(<= 1951 (+ (* 3 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 20466#(<= 1953 (+ (* 2 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 20467#(<= 1954 (+ ULTIMATE.start_main_~y~5 ULTIMATE.start_main_~x~5)), 20468#(<= 1954 ULTIMATE.start_main_~x~5), 20469#(<= (+ ULTIMATE.start_main_~y~5 1953) ULTIMATE.start_main_~x~5)] [2018-07-23 13:42:31,584 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 13:42:31,584 INFO L450 AbstractCegarLoop]: Interpolant automaton has 67 states [2018-07-23 13:42:31,585 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 67 interpolants. [2018-07-23 13:42:31,585 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=131, Invalid=4291, Unknown=0, NotChecked=0, Total=4422 [2018-07-23 13:42:31,585 INFO L87 Difference]: Start difference. First operand 133 states and 133 transitions. Second operand 67 states. [2018-07-23 13:42:32,341 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-07-23 13:42:32,341 INFO L93 Difference]: Finished difference Result 137 states and 137 transitions. [2018-07-23 13:42:32,341 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 67 states. [2018-07-23 13:42:32,341 INFO L78 Accepts]: Start accepts. Automaton has 67 states. Word has length 132 [2018-07-23 13:42:32,341 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-07-23 13:42:32,342 INFO L225 Difference]: With dead ends: 137 [2018-07-23 13:42:32,342 INFO L226 Difference]: Without dead ends: 135 [2018-07-23 13:42:32,343 INFO L575 BasicCegarLoop]: 0 DeclaredPredicates, 66 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 65 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=131, Invalid=4291, Unknown=0, NotChecked=0, Total=4422 [2018-07-23 13:42:32,343 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 135 states. [2018-07-23 13:42:32,383 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 135 to 135. [2018-07-23 13:42:32,383 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 135 states. [2018-07-23 13:42:32,383 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 135 states to 135 states and 135 transitions. [2018-07-23 13:42:32,384 INFO L78 Accepts]: Start accepts. Automaton has 135 states and 135 transitions. Word has length 132 [2018-07-23 13:42:32,384 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-07-23 13:42:32,384 INFO L471 AbstractCegarLoop]: Abstraction has 135 states and 135 transitions. [2018-07-23 13:42:32,384 INFO L472 AbstractCegarLoop]: Interpolant automaton has 67 states. [2018-07-23 13:42:32,384 INFO L276 IsEmpty]: Start isEmpty. Operand 135 states and 135 transitions. [2018-07-23 13:42:32,385 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 135 [2018-07-23 13:42:32,385 INFO L349 BasicCegarLoop]: Found error trace [2018-07-23 13:42:32,385 INFO L357 BasicCegarLoop]: trace histogram [66, 65, 1, 1, 1] [2018-07-23 13:42:32,385 INFO L414 AbstractCegarLoop]: === Iteration 66 === [ULTIMATE.startErr0AssertViolationASSERT]=== [2018-07-23 13:42:32,386 INFO L82 PathProgramCache]: Analyzing trace with hash 1706986497, now seen corresponding path program 65 times [2018-07-23 13:42:32,386 INFO L69 tionRefinementEngine]: Using refinement strategy FixedRefinementStrategy [2018-07-23 13:42:32,447 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-07-23 13:42:32,810 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 13:42:32,811 INFO L309 seRefinementStrategy]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2018-07-23 13:42:32,811 INFO L324 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [67] total 67 [2018-07-23 13:42:32,811 INFO L142 lantAutomatonBuilder]: Constructing canonical interpolant automaton, with selfloop in false state [2018-07-23 13:42:32,811 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-07-23 13:42:32,811 INFO L185 omatonBuilderFactory]: Interpolants [21014#true, 21015#false, 21016#(<= 1 (+ (* 64 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 21017#(<= 64 (+ (* 63 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 21018#(<= 126 (+ (* 62 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 21019#(<= 187 (+ (* 61 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 21020#(<= 247 (+ (* 60 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 21021#(<= 306 (+ (* 59 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 21022#(<= 364 (+ (* 58 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 21023#(<= 421 (+ (* 57 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 21024#(<= 477 (+ (* 56 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 21025#(<= 532 (+ (* 55 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 21026#(<= 586 (+ (* 54 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 21027#(<= 639 (+ (* 53 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 21028#(<= 691 (+ (* 52 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 21029#(<= 742 (+ (* 51 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 21030#(<= 792 (+ (* 50 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 21031#(<= 841 (+ (* 49 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 21032#(<= 889 (+ (* 48 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 21033#(<= 936 (+ (* 47 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 21034#(<= 982 (+ (* 46 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 21035#(<= 1027 (+ (* 45 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 21036#(<= 1071 (+ (* 44 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 21037#(<= 1114 (+ (* 43 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 21038#(<= 1156 (+ (* 42 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 21039#(<= 1197 (+ (* 41 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 21040#(<= 1237 (+ (* 40 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 21041#(<= 1276 (+ (* 39 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 21042#(<= 1314 (+ (* 38 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 21043#(<= 1351 (+ (* 37 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 21044#(<= 1387 (+ (* 36 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 21045#(<= 1422 (+ (* 35 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 21046#(<= 1456 (+ (* 34 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 21047#(<= 1489 (+ (* 33 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 21048#(<= 1521 (+ (* 32 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 21049#(<= 1552 (+ (* 31 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 21050#(<= 1582 (+ (* 30 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 21051#(<= 1611 (+ (* 29 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 21052#(<= 1639 (+ (* 28 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 21053#(<= 1666 (+ (* 27 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 21054#(<= 1692 (+ (* 26 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 21055#(<= 1717 (+ (* 25 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 21056#(<= 1741 (+ (* 24 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 21057#(<= 1764 (+ (* 23 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 21058#(<= 1786 (+ (* 22 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 21059#(<= 1807 (+ (* 21 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 21060#(<= 1827 (+ (* 20 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 21061#(<= 1846 (+ (* 19 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 21062#(<= 1864 (+ (* 18 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 21063#(<= 1881 (+ (* 17 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 21064#(<= 1897 (+ (* 16 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 21065#(<= 1912 (+ (* 15 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 21066#(<= 1926 (+ (* 14 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 21067#(<= 1939 (+ (* 13 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 21068#(<= 1951 (+ (* 12 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 21069#(<= 1962 (+ (* 11 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 21070#(<= 1972 (+ (* 10 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 21071#(<= 1981 (+ (* 9 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 21072#(<= 1989 (+ (* 8 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 21073#(<= 1996 (+ (* 7 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 21074#(<= 2002 (+ (* 6 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 21075#(<= 2007 (+ (* 5 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 21076#(<= 2011 (+ (* 4 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 21077#(<= 2014 (+ (* 3 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 21078#(<= 2016 (+ (* 2 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 21079#(<= 2017 (+ ULTIMATE.start_main_~y~5 ULTIMATE.start_main_~x~5)), 21080#(<= 2017 ULTIMATE.start_main_~x~5), 21081#(<= (+ ULTIMATE.start_main_~y~5 2016) ULTIMATE.start_main_~x~5)] [2018-07-23 13:42:32,812 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 13:42:32,812 INFO L450 AbstractCegarLoop]: Interpolant automaton has 68 states [2018-07-23 13:42:32,812 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 68 interpolants. [2018-07-23 13:42:32,812 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=133, Invalid=4423, Unknown=0, NotChecked=0, Total=4556 [2018-07-23 13:42:32,813 INFO L87 Difference]: Start difference. First operand 135 states and 135 transitions. Second operand 68 states. [2018-07-23 13:42:33,569 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-07-23 13:42:33,569 INFO L93 Difference]: Finished difference Result 139 states and 139 transitions. [2018-07-23 13:42:33,569 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 68 states. [2018-07-23 13:42:33,569 INFO L78 Accepts]: Start accepts. Automaton has 68 states. Word has length 134 [2018-07-23 13:42:33,570 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-07-23 13:42:33,570 INFO L225 Difference]: With dead ends: 139 [2018-07-23 13:42:33,570 INFO L226 Difference]: Without dead ends: 137 [2018-07-23 13:42:33,571 INFO L575 BasicCegarLoop]: 0 DeclaredPredicates, 67 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 66 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=133, Invalid=4423, Unknown=0, NotChecked=0, Total=4556 [2018-07-23 13:42:33,571 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 137 states. [2018-07-23 13:42:33,603 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 137 to 137. [2018-07-23 13:42:33,603 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 137 states. [2018-07-23 13:42:33,603 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 137 states to 137 states and 137 transitions. [2018-07-23 13:42:33,603 INFO L78 Accepts]: Start accepts. Automaton has 137 states and 137 transitions. Word has length 134 [2018-07-23 13:42:33,604 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-07-23 13:42:33,604 INFO L471 AbstractCegarLoop]: Abstraction has 137 states and 137 transitions. [2018-07-23 13:42:33,604 INFO L472 AbstractCegarLoop]: Interpolant automaton has 68 states. [2018-07-23 13:42:33,604 INFO L276 IsEmpty]: Start isEmpty. Operand 137 states and 137 transitions. [2018-07-23 13:42:33,604 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 137 [2018-07-23 13:42:33,604 INFO L349 BasicCegarLoop]: Found error trace [2018-07-23 13:42:33,604 INFO L357 BasicCegarLoop]: trace histogram [67, 66, 1, 1, 1] [2018-07-23 13:42:33,605 INFO L414 AbstractCegarLoop]: === Iteration 67 === [ULTIMATE.startErr0AssertViolationASSERT]=== [2018-07-23 13:42:33,605 INFO L82 PathProgramCache]: Analyzing trace with hash -263550467, now seen corresponding path program 66 times [2018-07-23 13:42:33,605 INFO L69 tionRefinementEngine]: Using refinement strategy FixedRefinementStrategy [2018-07-23 13:42:33,666 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-07-23 13:42:34,038 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 13:42:34,038 INFO L309 seRefinementStrategy]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2018-07-23 13:42:34,038 INFO L324 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [68] total 68 [2018-07-23 13:42:34,038 INFO L142 lantAutomatonBuilder]: Constructing canonical interpolant automaton, with selfloop in false state [2018-07-23 13:42:34,038 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-07-23 13:42:34,039 INFO L185 omatonBuilderFactory]: Interpolants [21634#true, 21635#false, 21636#(<= 1 (+ (* 65 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 21637#(<= 65 (+ (* 64 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 21638#(<= 128 (+ (* 63 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 21639#(<= 190 (+ (* 62 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 21640#(<= 251 (+ (* 61 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 21641#(<= 311 (+ (* 60 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 21642#(<= 370 (+ (* 59 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 21643#(<= 428 (+ (* 58 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 21644#(<= 485 (+ (* 57 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 21645#(<= 541 (+ (* 56 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 21646#(<= 596 (+ (* 55 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 21647#(<= 650 (+ (* 54 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 21648#(<= 703 (+ (* 53 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 21649#(<= 755 (+ (* 52 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 21650#(<= 806 (+ (* 51 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 21651#(<= 856 (+ (* 50 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 21652#(<= 905 (+ (* 49 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 21653#(<= 953 (+ (* 48 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 21654#(<= 1000 (+ (* 47 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 21655#(<= 1046 (+ (* 46 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 21656#(<= 1091 (+ (* 45 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 21657#(<= 1135 (+ (* 44 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 21658#(<= 1178 (+ (* 43 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 21659#(<= 1220 (+ (* 42 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 21660#(<= 1261 (+ (* 41 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 21661#(<= 1301 (+ (* 40 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 21662#(<= 1340 (+ (* 39 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 21663#(<= 1378 (+ (* 38 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 21664#(<= 1415 (+ (* 37 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 21665#(<= 1451 (+ (* 36 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 21666#(<= 1486 (+ (* 35 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 21667#(<= 1520 (+ (* 34 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 21668#(<= 1553 (+ (* 33 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 21669#(<= 1585 (+ (* 32 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 21670#(<= 1616 (+ (* 31 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 21671#(<= 1646 (+ (* 30 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 21672#(<= 1675 (+ (* 29 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 21673#(<= 1703 (+ (* 28 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 21674#(<= 1730 (+ (* 27 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 21675#(<= 1756 (+ (* 26 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 21676#(<= 1781 (+ (* 25 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 21677#(<= 1805 (+ (* 24 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 21678#(<= 1828 (+ (* 23 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 21679#(<= 1850 (+ (* 22 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 21680#(<= 1871 (+ (* 21 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 21681#(<= 1891 (+ (* 20 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 21682#(<= 1910 (+ (* 19 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 21683#(<= 1928 (+ (* 18 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 21684#(<= 1945 (+ (* 17 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 21685#(<= 1961 (+ (* 16 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 21686#(<= 1976 (+ (* 15 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 21687#(<= 1990 (+ (* 14 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 21688#(<= 2003 (+ (* 13 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 21689#(<= 2015 (+ (* 12 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 21690#(<= 2026 (+ (* 11 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 21691#(<= 2036 (+ (* 10 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 21692#(<= 2045 (+ (* 9 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 21693#(<= 2053 (+ (* 8 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 21694#(<= 2060 (+ (* 7 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 21695#(<= 2066 (+ (* 6 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 21696#(<= 2071 (+ (* 5 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 21697#(<= 2075 (+ (* 4 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 21698#(<= 2078 (+ (* 3 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 21699#(<= 2080 (+ (* 2 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 21700#(<= 2081 (+ ULTIMATE.start_main_~y~5 ULTIMATE.start_main_~x~5)), 21701#(<= 2081 ULTIMATE.start_main_~x~5), 21702#(<= (+ ULTIMATE.start_main_~y~5 2080) ULTIMATE.start_main_~x~5)] [2018-07-23 13:42:34,039 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 13:42:34,040 INFO L450 AbstractCegarLoop]: Interpolant automaton has 69 states [2018-07-23 13:42:34,040 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 69 interpolants. [2018-07-23 13:42:34,040 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=135, Invalid=4557, Unknown=0, NotChecked=0, Total=4692 [2018-07-23 13:42:34,040 INFO L87 Difference]: Start difference. First operand 137 states and 137 transitions. Second operand 69 states. [2018-07-23 13:42:34,878 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-07-23 13:42:34,878 INFO L93 Difference]: Finished difference Result 141 states and 141 transitions. [2018-07-23 13:42:34,878 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 69 states. [2018-07-23 13:42:34,879 INFO L78 Accepts]: Start accepts. Automaton has 69 states. Word has length 136 [2018-07-23 13:42:34,879 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-07-23 13:42:34,880 INFO L225 Difference]: With dead ends: 141 [2018-07-23 13:42:34,880 INFO L226 Difference]: Without dead ends: 139 [2018-07-23 13:42:34,880 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 13:42:34,881 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 139 states. [2018-07-23 13:42:34,931 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 139 to 139. [2018-07-23 13:42:34,931 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 139 states. [2018-07-23 13:42:34,931 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 139 states to 139 states and 139 transitions. [2018-07-23 13:42:34,932 INFO L78 Accepts]: Start accepts. Automaton has 139 states and 139 transitions. Word has length 136 [2018-07-23 13:42:34,932 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-07-23 13:42:34,932 INFO L471 AbstractCegarLoop]: Abstraction has 139 states and 139 transitions. [2018-07-23 13:42:34,932 INFO L472 AbstractCegarLoop]: Interpolant automaton has 69 states. [2018-07-23 13:42:34,932 INFO L276 IsEmpty]: Start isEmpty. Operand 139 states and 139 transitions. [2018-07-23 13:42:34,933 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 139 [2018-07-23 13:42:34,933 INFO L349 BasicCegarLoop]: Found error trace [2018-07-23 13:42:34,933 INFO L357 BasicCegarLoop]: trace histogram [68, 67, 1, 1, 1] [2018-07-23 13:42:34,934 INFO L414 AbstractCegarLoop]: === Iteration 68 === [ULTIMATE.startErr0AssertViolationASSERT]=== [2018-07-23 13:42:34,934 INFO L82 PathProgramCache]: Analyzing trace with hash 131004665, now seen corresponding path program 67 times [2018-07-23 13:42:34,934 INFO L69 tionRefinementEngine]: Using refinement strategy FixedRefinementStrategy [2018-07-23 13:42:35,110 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-07-23 13:42:35,572 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 13:42:35,573 INFO L309 seRefinementStrategy]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2018-07-23 13:42:35,573 INFO L324 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [69] total 69 [2018-07-23 13:42:35,573 INFO L142 lantAutomatonBuilder]: Constructing canonical interpolant automaton, with selfloop in false state [2018-07-23 13:42:35,573 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-07-23 13:42:35,574 INFO L185 omatonBuilderFactory]: Interpolants [22272#(<= 435 (+ (* 59 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 22273#(<= 493 (+ (* 58 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 22274#(<= 550 (+ (* 57 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 22275#(<= 606 (+ (* 56 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 22276#(<= 661 (+ (* 55 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 22277#(<= 715 (+ (* 54 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 22278#(<= 768 (+ (* 53 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 22279#(<= 820 (+ (* 52 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 22280#(<= 871 (+ (* 51 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 22281#(<= 921 (+ (* 50 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 22282#(<= 970 (+ (* 49 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 22283#(<= 1018 (+ (* 48 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 22284#(<= 1065 (+ (* 47 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 22285#(<= 1111 (+ (* 46 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 22286#(<= 1156 (+ (* 45 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 22287#(<= 1200 (+ (* 44 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 22288#(<= 1243 (+ (* 43 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 22289#(<= 1285 (+ (* 42 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 22290#(<= 1326 (+ (* 41 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 22291#(<= 1366 (+ (* 40 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 22292#(<= 1405 (+ (* 39 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 22293#(<= 1443 (+ (* 38 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 22294#(<= 1480 (+ (* 37 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 22295#(<= 1516 (+ (* 36 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 22296#(<= 1551 (+ (* 35 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 22297#(<= 1585 (+ (* 34 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 22298#(<= 1618 (+ (* 33 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 22299#(<= 1650 (+ (* 32 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 22300#(<= 1681 (+ (* 31 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 22301#(<= 1711 (+ (* 30 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 22302#(<= 1740 (+ (* 29 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 22303#(<= 1768 (+ (* 28 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 22304#(<= 1795 (+ (* 27 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 22305#(<= 1821 (+ (* 26 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 22306#(<= 1846 (+ (* 25 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 22307#(<= 1870 (+ (* 24 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 22308#(<= 1893 (+ (* 23 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 22309#(<= 1915 (+ (* 22 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 22310#(<= 1936 (+ (* 21 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 22311#(<= 1956 (+ (* 20 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 22312#(<= 1975 (+ (* 19 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 22313#(<= 1993 (+ (* 18 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 22314#(<= 2010 (+ (* 17 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 22315#(<= 2026 (+ (* 16 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 22316#(<= 2041 (+ (* 15 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 22317#(<= 2055 (+ (* 14 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 22318#(<= 2068 (+ (* 13 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 22319#(<= 2080 (+ (* 12 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 22320#(<= 2091 (+ (* 11 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 22321#(<= 2101 (+ (* 10 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 22322#(<= 2110 (+ (* 9 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 22323#(<= 2118 (+ (* 8 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 22324#(<= 2125 (+ (* 7 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 22325#(<= 2131 (+ (* 6 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 22326#(<= 2136 (+ (* 5 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 22327#(<= 2140 (+ (* 4 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 22328#(<= 2143 (+ (* 3 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 22329#(<= 2145 (+ (* 2 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 22330#(<= 2146 (+ ULTIMATE.start_main_~y~5 ULTIMATE.start_main_~x~5)), 22331#(<= 2146 ULTIMATE.start_main_~x~5), 22332#(<= (+ ULTIMATE.start_main_~y~5 2145) ULTIMATE.start_main_~x~5), 22263#true, 22264#false, 22265#(<= 1 (+ (* 66 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 22266#(<= 66 (+ (* 65 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 22267#(<= 130 (+ (* 64 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 22268#(<= 193 (+ (* 63 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 22269#(<= 255 (+ (* 62 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 22270#(<= 316 (+ (* 61 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 22271#(<= 376 (+ (* 60 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5))] [2018-07-23 13:42:35,574 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 13:42:35,574 INFO L450 AbstractCegarLoop]: Interpolant automaton has 70 states [2018-07-23 13:42:35,575 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 70 interpolants. [2018-07-23 13:42:35,575 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=137, Invalid=4693, Unknown=0, NotChecked=0, Total=4830 [2018-07-23 13:42:35,575 INFO L87 Difference]: Start difference. First operand 139 states and 139 transitions. Second operand 70 states. [2018-07-23 13:42:36,360 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-07-23 13:42:36,361 INFO L93 Difference]: Finished difference Result 143 states and 143 transitions. [2018-07-23 13:42:36,361 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 70 states. [2018-07-23 13:42:36,361 INFO L78 Accepts]: Start accepts. Automaton has 70 states. Word has length 138 [2018-07-23 13:42:36,361 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-07-23 13:42:36,362 INFO L225 Difference]: With dead ends: 143 [2018-07-23 13:42:36,362 INFO L226 Difference]: Without dead ends: 141 [2018-07-23 13:42:36,363 INFO L575 BasicCegarLoop]: 0 DeclaredPredicates, 69 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 68 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=137, Invalid=4693, Unknown=0, NotChecked=0, Total=4830 [2018-07-23 13:42:36,363 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 141 states. [2018-07-23 13:42:36,409 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 141 to 141. [2018-07-23 13:42:36,409 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 141 states. [2018-07-23 13:42:36,410 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 141 states to 141 states and 141 transitions. [2018-07-23 13:42:36,410 INFO L78 Accepts]: Start accepts. Automaton has 141 states and 141 transitions. Word has length 138 [2018-07-23 13:42:36,410 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-07-23 13:42:36,410 INFO L471 AbstractCegarLoop]: Abstraction has 141 states and 141 transitions. [2018-07-23 13:42:36,410 INFO L472 AbstractCegarLoop]: Interpolant automaton has 70 states. [2018-07-23 13:42:36,410 INFO L276 IsEmpty]: Start isEmpty. Operand 141 states and 141 transitions. [2018-07-23 13:42:36,411 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 141 [2018-07-23 13:42:36,411 INFO L349 BasicCegarLoop]: Found error trace [2018-07-23 13:42:36,411 INFO L357 BasicCegarLoop]: trace histogram [69, 68, 1, 1, 1] [2018-07-23 13:42:36,411 INFO L414 AbstractCegarLoop]: === Iteration 69 === [ULTIMATE.startErr0AssertViolationASSERT]=== [2018-07-23 13:42:36,412 INFO L82 PathProgramCache]: Analyzing trace with hash 1341364469, now seen corresponding path program 68 times [2018-07-23 13:42:36,412 INFO L69 tionRefinementEngine]: Using refinement strategy FixedRefinementStrategy [2018-07-23 13:42:36,482 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-07-23 13:42:36,867 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 13:42:36,867 INFO L309 seRefinementStrategy]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2018-07-23 13:42:36,867 INFO L324 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [70] total 70 [2018-07-23 13:42:36,868 INFO L142 lantAutomatonBuilder]: Constructing canonical interpolant automaton, with selfloop in false state [2018-07-23 13:42:36,868 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-07-23 13:42:36,868 INFO L185 omatonBuilderFactory]: Interpolants [22912#(<= 559 (+ (* 58 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 22913#(<= 616 (+ (* 57 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 22914#(<= 672 (+ (* 56 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 22915#(<= 727 (+ (* 55 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 22916#(<= 781 (+ (* 54 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 22917#(<= 834 (+ (* 53 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 22918#(<= 886 (+ (* 52 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 22919#(<= 937 (+ (* 51 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 22920#(<= 987 (+ (* 50 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 22921#(<= 1036 (+ (* 49 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 22922#(<= 1084 (+ (* 48 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 22923#(<= 1131 (+ (* 47 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 22924#(<= 1177 (+ (* 46 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 22925#(<= 1222 (+ (* 45 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 22926#(<= 1266 (+ (* 44 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 22927#(<= 1309 (+ (* 43 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 22928#(<= 1351 (+ (* 42 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 22929#(<= 1392 (+ (* 41 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 22930#(<= 1432 (+ (* 40 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 22931#(<= 1471 (+ (* 39 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 22932#(<= 1509 (+ (* 38 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 22933#(<= 1546 (+ (* 37 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 22934#(<= 1582 (+ (* 36 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 22935#(<= 1617 (+ (* 35 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 22936#(<= 1651 (+ (* 34 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 22937#(<= 1684 (+ (* 33 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 22938#(<= 1716 (+ (* 32 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 22939#(<= 1747 (+ (* 31 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 22940#(<= 1777 (+ (* 30 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 22941#(<= 1806 (+ (* 29 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 22942#(<= 1834 (+ (* 28 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 22943#(<= 1861 (+ (* 27 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 22944#(<= 1887 (+ (* 26 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 22945#(<= 1912 (+ (* 25 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 22946#(<= 1936 (+ (* 24 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 22947#(<= 1959 (+ (* 23 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 22948#(<= 1981 (+ (* 22 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 22949#(<= 2002 (+ (* 21 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 22950#(<= 2022 (+ (* 20 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 22951#(<= 2041 (+ (* 19 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 22952#(<= 2059 (+ (* 18 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 22953#(<= 2076 (+ (* 17 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 22954#(<= 2092 (+ (* 16 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 22955#(<= 2107 (+ (* 15 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 22956#(<= 2121 (+ (* 14 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 22957#(<= 2134 (+ (* 13 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 22958#(<= 2146 (+ (* 12 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 22959#(<= 2157 (+ (* 11 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 22960#(<= 2167 (+ (* 10 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 22961#(<= 2176 (+ (* 9 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 22962#(<= 2184 (+ (* 8 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 22963#(<= 2191 (+ (* 7 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 22964#(<= 2197 (+ (* 6 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 22965#(<= 2202 (+ (* 5 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 22966#(<= 2206 (+ (* 4 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 22967#(<= 2209 (+ (* 3 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 22968#(<= 2211 (+ (* 2 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 22969#(<= 2212 (+ ULTIMATE.start_main_~y~5 ULTIMATE.start_main_~x~5)), 22970#(<= 2212 ULTIMATE.start_main_~x~5), 22971#(<= (+ ULTIMATE.start_main_~y~5 2211) ULTIMATE.start_main_~x~5), 22901#true, 22902#false, 22903#(<= 1 (+ (* 67 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 22904#(<= 67 (+ (* 66 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 22905#(<= 132 (+ (* 65 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 22906#(<= 196 (+ (* 64 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 22907#(<= 259 (+ (* 63 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 22908#(<= 321 (+ (* 62 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 22909#(<= 382 (+ (* 61 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 22910#(<= 442 (+ (* 60 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 22911#(<= 501 (+ (* 59 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5))] [2018-07-23 13:42:36,868 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 13:42:36,869 INFO L450 AbstractCegarLoop]: Interpolant automaton has 71 states [2018-07-23 13:42:36,869 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 71 interpolants. [2018-07-23 13:42:36,869 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=139, Invalid=4831, Unknown=0, NotChecked=0, Total=4970 [2018-07-23 13:42:36,869 INFO L87 Difference]: Start difference. First operand 141 states and 141 transitions. Second operand 71 states. [2018-07-23 13:42:37,711 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-07-23 13:42:37,712 INFO L93 Difference]: Finished difference Result 145 states and 145 transitions. [2018-07-23 13:42:37,712 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 71 states. [2018-07-23 13:42:37,712 INFO L78 Accepts]: Start accepts. Automaton has 71 states. Word has length 140 [2018-07-23 13:42:37,712 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-07-23 13:42:37,713 INFO L225 Difference]: With dead ends: 145 [2018-07-23 13:42:37,713 INFO L226 Difference]: Without dead ends: 143 [2018-07-23 13:42:37,713 INFO L575 BasicCegarLoop]: 0 DeclaredPredicates, 70 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 69 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=139, Invalid=4831, Unknown=0, NotChecked=0, Total=4970 [2018-07-23 13:42:37,713 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 143 states. [2018-07-23 13:42:37,755 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 143 to 143. [2018-07-23 13:42:37,755 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 143 states. [2018-07-23 13:42:37,756 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 143 states to 143 states and 143 transitions. [2018-07-23 13:42:37,756 INFO L78 Accepts]: Start accepts. Automaton has 143 states and 143 transitions. Word has length 140 [2018-07-23 13:42:37,756 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-07-23 13:42:37,756 INFO L471 AbstractCegarLoop]: Abstraction has 143 states and 143 transitions. [2018-07-23 13:42:37,757 INFO L472 AbstractCegarLoop]: Interpolant automaton has 71 states. [2018-07-23 13:42:37,757 INFO L276 IsEmpty]: Start isEmpty. Operand 143 states and 143 transitions. [2018-07-23 13:42:37,757 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 143 [2018-07-23 13:42:37,757 INFO L349 BasicCegarLoop]: Found error trace [2018-07-23 13:42:37,758 INFO L357 BasicCegarLoop]: trace histogram [70, 69, 1, 1, 1] [2018-07-23 13:42:37,758 INFO L414 AbstractCegarLoop]: === Iteration 70 === [ULTIMATE.startErr0AssertViolationASSERT]=== [2018-07-23 13:42:37,758 INFO L82 PathProgramCache]: Analyzing trace with hash 560998897, now seen corresponding path program 69 times [2018-07-23 13:42:37,758 INFO L69 tionRefinementEngine]: Using refinement strategy FixedRefinementStrategy [2018-07-23 13:42:37,838 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-07-23 13:42:38,252 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 13:42:38,253 INFO L309 seRefinementStrategy]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2018-07-23 13:42:38,253 INFO L324 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [71] total 71 [2018-07-23 13:42:38,253 INFO L142 lantAutomatonBuilder]: Constructing canonical interpolant automaton, with selfloop in false state [2018-07-23 13:42:38,253 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-07-23 13:42:38,254 INFO L185 omatonBuilderFactory]: Interpolants [23552#(<= 134 (+ (* 66 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 23553#(<= 199 (+ (* 65 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 23554#(<= 263 (+ (* 64 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 23555#(<= 326 (+ (* 63 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 23556#(<= 388 (+ (* 62 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 23557#(<= 449 (+ (* 61 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 23558#(<= 509 (+ (* 60 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 23559#(<= 568 (+ (* 59 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 23560#(<= 626 (+ (* 58 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 23561#(<= 683 (+ (* 57 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 23562#(<= 739 (+ (* 56 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 23563#(<= 794 (+ (* 55 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 23564#(<= 848 (+ (* 54 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 23565#(<= 901 (+ (* 53 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 23566#(<= 953 (+ (* 52 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 23567#(<= 1004 (+ (* 51 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 23568#(<= 1054 (+ (* 50 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 23569#(<= 1103 (+ (* 49 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 23570#(<= 1151 (+ (* 48 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 23571#(<= 1198 (+ (* 47 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 23572#(<= 1244 (+ (* 46 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 23573#(<= 1289 (+ (* 45 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 23574#(<= 1333 (+ (* 44 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 23575#(<= 1376 (+ (* 43 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 23576#(<= 1418 (+ (* 42 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 23577#(<= 1459 (+ (* 41 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 23578#(<= 1499 (+ (* 40 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 23579#(<= 1538 (+ (* 39 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 23580#(<= 1576 (+ (* 38 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 23581#(<= 1613 (+ (* 37 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 23582#(<= 1649 (+ (* 36 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 23583#(<= 1684 (+ (* 35 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 23584#(<= 1718 (+ (* 34 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 23585#(<= 1751 (+ (* 33 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 23586#(<= 1783 (+ (* 32 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 23587#(<= 1814 (+ (* 31 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 23588#(<= 1844 (+ (* 30 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 23589#(<= 1873 (+ (* 29 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 23590#(<= 1901 (+ (* 28 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 23591#(<= 1928 (+ (* 27 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 23592#(<= 1954 (+ (* 26 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 23593#(<= 1979 (+ (* 25 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 23594#(<= 2003 (+ (* 24 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 23595#(<= 2026 (+ (* 23 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 23596#(<= 2048 (+ (* 22 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 23597#(<= 2069 (+ (* 21 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 23598#(<= 2089 (+ (* 20 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 23599#(<= 2108 (+ (* 19 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 23600#(<= 2126 (+ (* 18 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 23601#(<= 2143 (+ (* 17 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 23602#(<= 2159 (+ (* 16 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 23603#(<= 2174 (+ (* 15 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 23604#(<= 2188 (+ (* 14 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 23605#(<= 2201 (+ (* 13 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 23606#(<= 2213 (+ (* 12 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 23607#(<= 2224 (+ (* 11 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 23608#(<= 2234 (+ (* 10 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 23609#(<= 2243 (+ (* 9 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 23610#(<= 2251 (+ (* 8 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 23611#(<= 2258 (+ (* 7 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 23612#(<= 2264 (+ (* 6 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 23613#(<= 2269 (+ (* 5 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 23614#(<= 2273 (+ (* 4 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 23615#(<= 2276 (+ (* 3 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 23616#(<= 2278 (+ (* 2 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 23617#(<= 2279 (+ ULTIMATE.start_main_~y~5 ULTIMATE.start_main_~x~5)), 23618#(<= 2279 ULTIMATE.start_main_~x~5), 23619#(<= (+ ULTIMATE.start_main_~y~5 2278) ULTIMATE.start_main_~x~5), 23548#true, 23549#false, 23550#(<= 1 (+ (* 68 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 23551#(<= 68 (+ (* 67 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5))] [2018-07-23 13:42:38,254 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 13:42:38,254 INFO L450 AbstractCegarLoop]: Interpolant automaton has 72 states [2018-07-23 13:42:38,254 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 72 interpolants. [2018-07-23 13:42:38,254 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=141, Invalid=4971, Unknown=0, NotChecked=0, Total=5112 [2018-07-23 13:42:38,255 INFO L87 Difference]: Start difference. First operand 143 states and 143 transitions. Second operand 72 states. [2018-07-23 13:42:39,061 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-07-23 13:42:39,062 INFO L93 Difference]: Finished difference Result 147 states and 147 transitions. [2018-07-23 13:42:39,062 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 72 states. [2018-07-23 13:42:39,062 INFO L78 Accepts]: Start accepts. Automaton has 72 states. Word has length 142 [2018-07-23 13:42:39,062 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-07-23 13:42:39,063 INFO L225 Difference]: With dead ends: 147 [2018-07-23 13:42:39,063 INFO L226 Difference]: Without dead ends: 145 [2018-07-23 13:42:39,063 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 13:42:39,064 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 145 states. [2018-07-23 13:42:39,099 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 145 to 145. [2018-07-23 13:42:39,099 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 145 states. [2018-07-23 13:42:39,100 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 145 states to 145 states and 145 transitions. [2018-07-23 13:42:39,100 INFO L78 Accepts]: Start accepts. Automaton has 145 states and 145 transitions. Word has length 142 [2018-07-23 13:42:39,100 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-07-23 13:42:39,100 INFO L471 AbstractCegarLoop]: Abstraction has 145 states and 145 transitions. [2018-07-23 13:42:39,100 INFO L472 AbstractCegarLoop]: Interpolant automaton has 72 states. [2018-07-23 13:42:39,100 INFO L276 IsEmpty]: Start isEmpty. Operand 145 states and 145 transitions. [2018-07-23 13:42:39,101 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 145 [2018-07-23 13:42:39,101 INFO L349 BasicCegarLoop]: Found error trace [2018-07-23 13:42:39,101 INFO L357 BasicCegarLoop]: trace histogram [71, 70, 1, 1, 1] [2018-07-23 13:42:39,101 INFO L414 AbstractCegarLoop]: === Iteration 71 === [ULTIMATE.startErr0AssertViolationASSERT]=== [2018-07-23 13:42:39,101 INFO L82 PathProgramCache]: Analyzing trace with hash -2046006291, now seen corresponding path program 70 times [2018-07-23 13:42:39,102 INFO L69 tionRefinementEngine]: Using refinement strategy FixedRefinementStrategy [2018-07-23 13:42:39,182 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-07-23 13:42:39,607 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 13:42:39,607 INFO L309 seRefinementStrategy]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2018-07-23 13:42:39,607 INFO L324 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [72] total 72 [2018-07-23 13:42:39,607 INFO L142 lantAutomatonBuilder]: Constructing canonical interpolant automaton, with selfloop in false state [2018-07-23 13:42:39,608 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-07-23 13:42:39,608 INFO L185 omatonBuilderFactory]: Interpolants [24204#true, 24205#false, 24206#(<= 1 (+ (* 69 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 24207#(<= 69 (+ (* 68 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 24208#(<= 136 (+ (* 67 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 24209#(<= 202 (+ (* 66 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 24210#(<= 267 (+ (* 65 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 24211#(<= 331 (+ (* 64 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 24212#(<= 394 (+ (* 63 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 24213#(<= 456 (+ (* 62 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 24214#(<= 517 (+ (* 61 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 24215#(<= 577 (+ (* 60 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 24216#(<= 636 (+ (* 59 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 24217#(<= 694 (+ (* 58 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 24218#(<= 751 (+ (* 57 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 24219#(<= 807 (+ (* 56 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 24220#(<= 862 (+ (* 55 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 24221#(<= 916 (+ (* 54 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 24222#(<= 969 (+ (* 53 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 24223#(<= 1021 (+ (* 52 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 24224#(<= 1072 (+ (* 51 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 24225#(<= 1122 (+ (* 50 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 24226#(<= 1171 (+ (* 49 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 24227#(<= 1219 (+ (* 48 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 24228#(<= 1266 (+ (* 47 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 24229#(<= 1312 (+ (* 46 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 24230#(<= 1357 (+ (* 45 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 24231#(<= 1401 (+ (* 44 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 24232#(<= 1444 (+ (* 43 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 24233#(<= 1486 (+ (* 42 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 24234#(<= 1527 (+ (* 41 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 24235#(<= 1567 (+ (* 40 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 24236#(<= 1606 (+ (* 39 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 24237#(<= 1644 (+ (* 38 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 24238#(<= 1681 (+ (* 37 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 24239#(<= 1717 (+ (* 36 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 24240#(<= 1752 (+ (* 35 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 24241#(<= 1786 (+ (* 34 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 24242#(<= 1819 (+ (* 33 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 24243#(<= 1851 (+ (* 32 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 24244#(<= 1882 (+ (* 31 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 24245#(<= 1912 (+ (* 30 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 24246#(<= 1941 (+ (* 29 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 24247#(<= 1969 (+ (* 28 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 24248#(<= 1996 (+ (* 27 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 24249#(<= 2022 (+ (* 26 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 24250#(<= 2047 (+ (* 25 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 24251#(<= 2071 (+ (* 24 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 24252#(<= 2094 (+ (* 23 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 24253#(<= 2116 (+ (* 22 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 24254#(<= 2137 (+ (* 21 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 24255#(<= 2157 (+ (* 20 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 24256#(<= 2176 (+ (* 19 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 24257#(<= 2194 (+ (* 18 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 24258#(<= 2211 (+ (* 17 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 24259#(<= 2227 (+ (* 16 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 24260#(<= 2242 (+ (* 15 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 24261#(<= 2256 (+ (* 14 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 24262#(<= 2269 (+ (* 13 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 24263#(<= 2281 (+ (* 12 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 24264#(<= 2292 (+ (* 11 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 24265#(<= 2302 (+ (* 10 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 24266#(<= 2311 (+ (* 9 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 24267#(<= 2319 (+ (* 8 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 24268#(<= 2326 (+ (* 7 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 24269#(<= 2332 (+ (* 6 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 24270#(<= 2337 (+ (* 5 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 24271#(<= 2341 (+ (* 4 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 24272#(<= 2344 (+ (* 3 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 24273#(<= 2346 (+ (* 2 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 24274#(<= 2347 (+ ULTIMATE.start_main_~y~5 ULTIMATE.start_main_~x~5)), 24275#(<= 2347 ULTIMATE.start_main_~x~5), 24276#(<= (+ ULTIMATE.start_main_~y~5 2346) ULTIMATE.start_main_~x~5)] [2018-07-23 13:42:39,608 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 13:42:39,608 INFO L450 AbstractCegarLoop]: Interpolant automaton has 73 states [2018-07-23 13:42:39,609 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 73 interpolants. [2018-07-23 13:42:39,609 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=143, Invalid=5113, Unknown=0, NotChecked=0, Total=5256 [2018-07-23 13:42:39,609 INFO L87 Difference]: Start difference. First operand 145 states and 145 transitions. Second operand 73 states. [2018-07-23 13:42:40,468 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-07-23 13:42:40,468 INFO L93 Difference]: Finished difference Result 149 states and 149 transitions. [2018-07-23 13:42:40,468 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 73 states. [2018-07-23 13:42:40,468 INFO L78 Accepts]: Start accepts. Automaton has 73 states. Word has length 144 [2018-07-23 13:42:40,469 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-07-23 13:42:40,469 INFO L225 Difference]: With dead ends: 149 [2018-07-23 13:42:40,470 INFO L226 Difference]: Without dead ends: 147 [2018-07-23 13:42:40,470 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 13:42:40,470 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 147 states. [2018-07-23 13:42:40,507 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 147 to 147. [2018-07-23 13:42:40,507 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 147 states. [2018-07-23 13:42:40,508 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 147 states to 147 states and 147 transitions. [2018-07-23 13:42:40,508 INFO L78 Accepts]: Start accepts. Automaton has 147 states and 147 transitions. Word has length 144 [2018-07-23 13:42:40,508 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-07-23 13:42:40,508 INFO L471 AbstractCegarLoop]: Abstraction has 147 states and 147 transitions. [2018-07-23 13:42:40,508 INFO L472 AbstractCegarLoop]: Interpolant automaton has 73 states. [2018-07-23 13:42:40,509 INFO L276 IsEmpty]: Start isEmpty. Operand 147 states and 147 transitions. [2018-07-23 13:42:40,509 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 147 [2018-07-23 13:42:40,509 INFO L349 BasicCegarLoop]: Found error trace [2018-07-23 13:42:40,510 INFO L357 BasicCegarLoop]: trace histogram [72, 71, 1, 1, 1] [2018-07-23 13:42:40,510 INFO L414 AbstractCegarLoop]: === Iteration 72 === [ULTIMATE.startErr0AssertViolationASSERT]=== [2018-07-23 13:42:40,510 INFO L82 PathProgramCache]: Analyzing trace with hash 882908905, now seen corresponding path program 71 times [2018-07-23 13:42:40,510 INFO L69 tionRefinementEngine]: Using refinement strategy FixedRefinementStrategy [2018-07-23 13:42:40,592 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-07-23 13:42:41,022 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 13:42:41,022 INFO L309 seRefinementStrategy]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2018-07-23 13:42:41,022 INFO L324 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [73] total 73 [2018-07-23 13:42:41,022 INFO L142 lantAutomatonBuilder]: Constructing canonical interpolant automaton, with selfloop in false state [2018-07-23 13:42:41,023 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-07-23 13:42:41,023 INFO L185 omatonBuilderFactory]: Interpolants [24869#true, 24870#false, 24871#(<= 1 (+ (* 70 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 24872#(<= 70 (+ (* 69 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 24873#(<= 138 (+ (* 68 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 24874#(<= 205 (+ (* 67 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 24875#(<= 271 (+ (* 66 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 24876#(<= 336 (+ (* 65 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 24877#(<= 400 (+ (* 64 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 24878#(<= 463 (+ (* 63 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 24879#(<= 525 (+ (* 62 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 24880#(<= 586 (+ (* 61 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 24881#(<= 646 (+ (* 60 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 24882#(<= 705 (+ (* 59 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 24883#(<= 763 (+ (* 58 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 24884#(<= 820 (+ (* 57 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 24885#(<= 876 (+ (* 56 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 24886#(<= 931 (+ (* 55 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 24887#(<= 985 (+ (* 54 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 24888#(<= 1038 (+ (* 53 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 24889#(<= 1090 (+ (* 52 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 24890#(<= 1141 (+ (* 51 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 24891#(<= 1191 (+ (* 50 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 24892#(<= 1240 (+ (* 49 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 24893#(<= 1288 (+ (* 48 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 24894#(<= 1335 (+ (* 47 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 24895#(<= 1381 (+ (* 46 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 24896#(<= 1426 (+ (* 45 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 24897#(<= 1470 (+ (* 44 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 24898#(<= 1513 (+ (* 43 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 24899#(<= 1555 (+ (* 42 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 24900#(<= 1596 (+ (* 41 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 24901#(<= 1636 (+ (* 40 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 24902#(<= 1675 (+ (* 39 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 24903#(<= 1713 (+ (* 38 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 24904#(<= 1750 (+ (* 37 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 24905#(<= 1786 (+ (* 36 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 24906#(<= 1821 (+ (* 35 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 24907#(<= 1855 (+ (* 34 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 24908#(<= 1888 (+ (* 33 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 24909#(<= 1920 (+ (* 32 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 24910#(<= 1951 (+ (* 31 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 24911#(<= 1981 (+ (* 30 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 24912#(<= 2010 (+ (* 29 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 24913#(<= 2038 (+ (* 28 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 24914#(<= 2065 (+ (* 27 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 24915#(<= 2091 (+ (* 26 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 24916#(<= 2116 (+ (* 25 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 24917#(<= 2140 (+ (* 24 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 24918#(<= 2163 (+ (* 23 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 24919#(<= 2185 (+ (* 22 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 24920#(<= 2206 (+ (* 21 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 24921#(<= 2226 (+ (* 20 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 24922#(<= 2245 (+ (* 19 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 24923#(<= 2263 (+ (* 18 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 24924#(<= 2280 (+ (* 17 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 24925#(<= 2296 (+ (* 16 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 24926#(<= 2311 (+ (* 15 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 24927#(<= 2325 (+ (* 14 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 24928#(<= 2338 (+ (* 13 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 24929#(<= 2350 (+ (* 12 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 24930#(<= 2361 (+ (* 11 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 24931#(<= 2371 (+ (* 10 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 24932#(<= 2380 (+ (* 9 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 24933#(<= 2388 (+ (* 8 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 24934#(<= 2395 (+ (* 7 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 24935#(<= 2401 (+ (* 6 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 24936#(<= 2406 (+ (* 5 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 24937#(<= 2410 (+ (* 4 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 24938#(<= 2413 (+ (* 3 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 24939#(<= 2415 (+ (* 2 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 24940#(<= 2416 (+ ULTIMATE.start_main_~y~5 ULTIMATE.start_main_~x~5)), 24941#(<= 2416 ULTIMATE.start_main_~x~5), 24942#(<= (+ ULTIMATE.start_main_~y~5 2415) ULTIMATE.start_main_~x~5)] [2018-07-23 13:42:41,023 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 13:42:41,023 INFO L450 AbstractCegarLoop]: Interpolant automaton has 74 states [2018-07-23 13:42:41,024 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 74 interpolants. [2018-07-23 13:42:41,024 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=145, Invalid=5257, Unknown=0, NotChecked=0, Total=5402 [2018-07-23 13:42:41,024 INFO L87 Difference]: Start difference. First operand 147 states and 147 transitions. Second operand 74 states. [2018-07-23 13:42:42,079 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-07-23 13:42:42,079 INFO L93 Difference]: Finished difference Result 151 states and 151 transitions. [2018-07-23 13:42:42,079 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 74 states. [2018-07-23 13:42:42,079 INFO L78 Accepts]: Start accepts. Automaton has 74 states. Word has length 146 [2018-07-23 13:42:42,079 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-07-23 13:42:42,080 INFO L225 Difference]: With dead ends: 151 [2018-07-23 13:42:42,080 INFO L226 Difference]: Without dead ends: 149 [2018-07-23 13:42:42,081 INFO L575 BasicCegarLoop]: 0 DeclaredPredicates, 73 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 72 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=145, Invalid=5257, Unknown=0, NotChecked=0, Total=5402 [2018-07-23 13:42:42,081 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 149 states. [2018-07-23 13:42:42,116 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 149 to 149. [2018-07-23 13:42:42,116 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 149 states. [2018-07-23 13:42:42,117 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 149 states to 149 states and 149 transitions. [2018-07-23 13:42:42,117 INFO L78 Accepts]: Start accepts. Automaton has 149 states and 149 transitions. Word has length 146 [2018-07-23 13:42:42,117 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-07-23 13:42:42,117 INFO L471 AbstractCegarLoop]: Abstraction has 149 states and 149 transitions. [2018-07-23 13:42:42,118 INFO L472 AbstractCegarLoop]: Interpolant automaton has 74 states. [2018-07-23 13:42:42,118 INFO L276 IsEmpty]: Start isEmpty. Operand 149 states and 149 transitions. [2018-07-23 13:42:42,118 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 149 [2018-07-23 13:42:42,118 INFO L349 BasicCegarLoop]: Found error trace [2018-07-23 13:42:42,119 INFO L357 BasicCegarLoop]: trace histogram [73, 72, 1, 1, 1] [2018-07-23 13:42:42,119 INFO L414 AbstractCegarLoop]: === Iteration 73 === [ULTIMATE.startErr0AssertViolationASSERT]=== [2018-07-23 13:42:42,119 INFO L82 PathProgramCache]: Analyzing trace with hash -1928133915, now seen corresponding path program 72 times [2018-07-23 13:42:42,119 INFO L69 tionRefinementEngine]: Using refinement strategy FixedRefinementStrategy [2018-07-23 13:42:42,206 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-07-23 13:42:42,637 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 13:42:42,637 INFO L309 seRefinementStrategy]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2018-07-23 13:42:42,637 INFO L324 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [74] total 74 [2018-07-23 13:42:42,638 INFO L142 lantAutomatonBuilder]: Constructing canonical interpolant automaton, with selfloop in false state [2018-07-23 13:42:42,638 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-07-23 13:42:42,638 INFO L185 omatonBuilderFactory]: Interpolants [25600#(<= 2366 (+ (* 16 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 25601#(<= 2381 (+ (* 15 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 25602#(<= 2395 (+ (* 14 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 25603#(<= 2408 (+ (* 13 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 25604#(<= 2420 (+ (* 12 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 25605#(<= 2431 (+ (* 11 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 25606#(<= 2441 (+ (* 10 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 25607#(<= 2450 (+ (* 9 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 25608#(<= 2458 (+ (* 8 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 25609#(<= 2465 (+ (* 7 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 25610#(<= 2471 (+ (* 6 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 25611#(<= 2476 (+ (* 5 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 25612#(<= 2480 (+ (* 4 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 25613#(<= 2483 (+ (* 3 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 25614#(<= 2485 (+ (* 2 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 25615#(<= 2486 (+ ULTIMATE.start_main_~y~5 ULTIMATE.start_main_~x~5)), 25616#(<= 2486 ULTIMATE.start_main_~x~5), 25617#(<= (+ ULTIMATE.start_main_~y~5 2485) ULTIMATE.start_main_~x~5), 25543#true, 25544#false, 25545#(<= 1 (+ (* 71 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 25546#(<= 71 (+ (* 70 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 25547#(<= 140 (+ (* 69 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 25548#(<= 208 (+ (* 68 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 25549#(<= 275 (+ (* 67 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 25550#(<= 341 (+ (* 66 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 25551#(<= 406 (+ (* 65 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 25552#(<= 470 (+ (* 64 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 25553#(<= 533 (+ (* 63 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 25554#(<= 595 (+ (* 62 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 25555#(<= 656 (+ (* 61 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 25556#(<= 716 (+ (* 60 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 25557#(<= 775 (+ (* 59 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 25558#(<= 833 (+ (* 58 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 25559#(<= 890 (+ (* 57 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 25560#(<= 946 (+ (* 56 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 25561#(<= 1001 (+ (* 55 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 25562#(<= 1055 (+ (* 54 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 25563#(<= 1108 (+ (* 53 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 25564#(<= 1160 (+ (* 52 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 25565#(<= 1211 (+ (* 51 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 25566#(<= 1261 (+ (* 50 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 25567#(<= 1310 (+ (* 49 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 25568#(<= 1358 (+ (* 48 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 25569#(<= 1405 (+ (* 47 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 25570#(<= 1451 (+ (* 46 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 25571#(<= 1496 (+ (* 45 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 25572#(<= 1540 (+ (* 44 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 25573#(<= 1583 (+ (* 43 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 25574#(<= 1625 (+ (* 42 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 25575#(<= 1666 (+ (* 41 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 25576#(<= 1706 (+ (* 40 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 25577#(<= 1745 (+ (* 39 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 25578#(<= 1783 (+ (* 38 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 25579#(<= 1820 (+ (* 37 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 25580#(<= 1856 (+ (* 36 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 25581#(<= 1891 (+ (* 35 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 25582#(<= 1925 (+ (* 34 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 25583#(<= 1958 (+ (* 33 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 25584#(<= 1990 (+ (* 32 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 25585#(<= 2021 (+ (* 31 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 25586#(<= 2051 (+ (* 30 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 25587#(<= 2080 (+ (* 29 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 25588#(<= 2108 (+ (* 28 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 25589#(<= 2135 (+ (* 27 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 25590#(<= 2161 (+ (* 26 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 25591#(<= 2186 (+ (* 25 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 25592#(<= 2210 (+ (* 24 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 25593#(<= 2233 (+ (* 23 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 25594#(<= 2255 (+ (* 22 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 25595#(<= 2276 (+ (* 21 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 25596#(<= 2296 (+ (* 20 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 25597#(<= 2315 (+ (* 19 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 25598#(<= 2333 (+ (* 18 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 25599#(<= 2350 (+ (* 17 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5))] [2018-07-23 13:42:42,639 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 13:42:42,639 INFO L450 AbstractCegarLoop]: Interpolant automaton has 75 states [2018-07-23 13:42:42,639 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 75 interpolants. [2018-07-23 13:42:42,639 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=147, Invalid=5403, Unknown=0, NotChecked=0, Total=5550 [2018-07-23 13:42:42,639 INFO L87 Difference]: Start difference. First operand 149 states and 149 transitions. Second operand 75 states. [2018-07-23 13:42:43,483 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-07-23 13:42:43,483 INFO L93 Difference]: Finished difference Result 153 states and 153 transitions. [2018-07-23 13:42:43,483 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 75 states. [2018-07-23 13:42:43,484 INFO L78 Accepts]: Start accepts. Automaton has 75 states. Word has length 148 [2018-07-23 13:42:43,484 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-07-23 13:42:43,485 INFO L225 Difference]: With dead ends: 153 [2018-07-23 13:42:43,485 INFO L226 Difference]: Without dead ends: 151 [2018-07-23 13:42:43,486 INFO L575 BasicCegarLoop]: 0 DeclaredPredicates, 74 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 73 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=147, Invalid=5403, Unknown=0, NotChecked=0, Total=5550 [2018-07-23 13:42:43,486 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 151 states. [2018-07-23 13:42:43,543 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 151 to 151. [2018-07-23 13:42:43,544 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 151 states. [2018-07-23 13:42:43,544 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 151 states to 151 states and 151 transitions. [2018-07-23 13:42:43,544 INFO L78 Accepts]: Start accepts. Automaton has 151 states and 151 transitions. Word has length 148 [2018-07-23 13:42:43,545 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-07-23 13:42:43,545 INFO L471 AbstractCegarLoop]: Abstraction has 151 states and 151 transitions. [2018-07-23 13:42:43,545 INFO L472 AbstractCegarLoop]: Interpolant automaton has 75 states. [2018-07-23 13:42:43,545 INFO L276 IsEmpty]: Start isEmpty. Operand 151 states and 151 transitions. [2018-07-23 13:42:43,546 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 151 [2018-07-23 13:42:43,546 INFO L349 BasicCegarLoop]: Found error trace [2018-07-23 13:42:43,546 INFO L357 BasicCegarLoop]: trace histogram [74, 73, 1, 1, 1] [2018-07-23 13:42:43,546 INFO L414 AbstractCegarLoop]: === Iteration 74 === [ULTIMATE.startErr0AssertViolationASSERT]=== [2018-07-23 13:42:43,546 INFO L82 PathProgramCache]: Analyzing trace with hash -1805854751, now seen corresponding path program 73 times [2018-07-23 13:42:43,547 INFO L69 tionRefinementEngine]: Using refinement strategy FixedRefinementStrategy [2018-07-23 13:42:43,664 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-07-23 13:42:44,304 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 13:42:44,304 INFO L309 seRefinementStrategy]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2018-07-23 13:42:44,304 INFO L324 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [75] total 75 [2018-07-23 13:42:44,304 INFO L142 lantAutomatonBuilder]: Constructing canonical interpolant automaton, with selfloop in false state [2018-07-23 13:42:44,305 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-07-23 13:42:44,305 INFO L185 omatonBuilderFactory]: Interpolants [26240#(<= 787 (+ (* 60 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 26241#(<= 846 (+ (* 59 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 26242#(<= 904 (+ (* 58 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 26243#(<= 961 (+ (* 57 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 26244#(<= 1017 (+ (* 56 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 26245#(<= 1072 (+ (* 55 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 26246#(<= 1126 (+ (* 54 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 26247#(<= 1179 (+ (* 53 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 26248#(<= 1231 (+ (* 52 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 26249#(<= 1282 (+ (* 51 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 26250#(<= 1332 (+ (* 50 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 26251#(<= 1381 (+ (* 49 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 26252#(<= 1429 (+ (* 48 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 26253#(<= 1476 (+ (* 47 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 26254#(<= 1522 (+ (* 46 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 26255#(<= 1567 (+ (* 45 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 26256#(<= 1611 (+ (* 44 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 26257#(<= 1654 (+ (* 43 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 26258#(<= 1696 (+ (* 42 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 26259#(<= 1737 (+ (* 41 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 26260#(<= 1777 (+ (* 40 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 26261#(<= 1816 (+ (* 39 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 26262#(<= 1854 (+ (* 38 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 26263#(<= 1891 (+ (* 37 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 26264#(<= 1927 (+ (* 36 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 26265#(<= 1962 (+ (* 35 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 26266#(<= 1996 (+ (* 34 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 26267#(<= 2029 (+ (* 33 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 26268#(<= 2061 (+ (* 32 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 26269#(<= 2092 (+ (* 31 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 26270#(<= 2122 (+ (* 30 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 26271#(<= 2151 (+ (* 29 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 26272#(<= 2179 (+ (* 28 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 26273#(<= 2206 (+ (* 27 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 26274#(<= 2232 (+ (* 26 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 26275#(<= 2257 (+ (* 25 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 26276#(<= 2281 (+ (* 24 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 26277#(<= 2304 (+ (* 23 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 26278#(<= 2326 (+ (* 22 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 26279#(<= 2347 (+ (* 21 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 26280#(<= 2367 (+ (* 20 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 26281#(<= 2386 (+ (* 19 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 26282#(<= 2404 (+ (* 18 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 26283#(<= 2421 (+ (* 17 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 26284#(<= 2437 (+ (* 16 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 26285#(<= 2452 (+ (* 15 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 26286#(<= 2466 (+ (* 14 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 26287#(<= 2479 (+ (* 13 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 26288#(<= 2491 (+ (* 12 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 26289#(<= 2502 (+ (* 11 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 26290#(<= 2512 (+ (* 10 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 26291#(<= 2521 (+ (* 9 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 26292#(<= 2529 (+ (* 8 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 26293#(<= 2536 (+ (* 7 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 26294#(<= 2542 (+ (* 6 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 26295#(<= 2547 (+ (* 5 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 26296#(<= 2551 (+ (* 4 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 26297#(<= 2554 (+ (* 3 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 26298#(<= 2556 (+ (* 2 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 26299#(<= 2557 (+ ULTIMATE.start_main_~y~5 ULTIMATE.start_main_~x~5)), 26300#(<= 2557 ULTIMATE.start_main_~x~5), 26301#(<= (+ ULTIMATE.start_main_~y~5 2556) ULTIMATE.start_main_~x~5), 26226#true, 26227#false, 26228#(<= 1 (+ (* 72 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 26229#(<= 72 (+ (* 71 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 26230#(<= 142 (+ (* 70 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 26231#(<= 211 (+ (* 69 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 26232#(<= 279 (+ (* 68 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 26233#(<= 346 (+ (* 67 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 26234#(<= 412 (+ (* 66 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 26235#(<= 477 (+ (* 65 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 26236#(<= 541 (+ (* 64 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 26237#(<= 604 (+ (* 63 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 26238#(<= 666 (+ (* 62 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 26239#(<= 727 (+ (* 61 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5))] [2018-07-23 13:42:44,306 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 13:42:44,306 INFO L450 AbstractCegarLoop]: Interpolant automaton has 76 states [2018-07-23 13:42:44,306 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 76 interpolants. [2018-07-23 13:42:44,306 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=149, Invalid=5551, Unknown=0, NotChecked=0, Total=5700 [2018-07-23 13:42:44,307 INFO L87 Difference]: Start difference. First operand 151 states and 151 transitions. Second operand 76 states. [2018-07-23 13:42:45,227 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-07-23 13:42:45,227 INFO L93 Difference]: Finished difference Result 155 states and 155 transitions. [2018-07-23 13:42:45,228 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 76 states. [2018-07-23 13:42:45,228 INFO L78 Accepts]: Start accepts. Automaton has 76 states. Word has length 150 [2018-07-23 13:42:45,228 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-07-23 13:42:45,228 INFO L225 Difference]: With dead ends: 155 [2018-07-23 13:42:45,229 INFO L226 Difference]: Without dead ends: 153 [2018-07-23 13:42:45,229 INFO L575 BasicCegarLoop]: 0 DeclaredPredicates, 75 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 74 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.4s TimeCoverageRelationStatistics Valid=149, Invalid=5551, Unknown=0, NotChecked=0, Total=5700 [2018-07-23 13:42:45,229 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 153 states. [2018-07-23 13:42:45,282 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 153 to 153. [2018-07-23 13:42:45,282 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 153 states. [2018-07-23 13:42:45,283 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 153 states to 153 states and 153 transitions. [2018-07-23 13:42:45,283 INFO L78 Accepts]: Start accepts. Automaton has 153 states and 153 transitions. Word has length 150 [2018-07-23 13:42:45,283 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-07-23 13:42:45,283 INFO L471 AbstractCegarLoop]: Abstraction has 153 states and 153 transitions. [2018-07-23 13:42:45,283 INFO L472 AbstractCegarLoop]: Interpolant automaton has 76 states. [2018-07-23 13:42:45,283 INFO L276 IsEmpty]: Start isEmpty. Operand 153 states and 153 transitions. [2018-07-23 13:42:45,284 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 153 [2018-07-23 13:42:45,284 INFO L349 BasicCegarLoop]: Found error trace [2018-07-23 13:42:45,284 INFO L357 BasicCegarLoop]: trace histogram [75, 74, 1, 1, 1] [2018-07-23 13:42:45,284 INFO L414 AbstractCegarLoop]: === Iteration 75 === [ULTIMATE.startErr0AssertViolationASSERT]=== [2018-07-23 13:42:45,284 INFO L82 PathProgramCache]: Analyzing trace with hash -259695139, now seen corresponding path program 74 times [2018-07-23 13:42:45,284 INFO L69 tionRefinementEngine]: Using refinement strategy FixedRefinementStrategy [2018-07-23 13:42:45,368 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-07-23 13:42:45,866 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 13:42:45,866 INFO L309 seRefinementStrategy]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2018-07-23 13:42:45,866 INFO L324 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [76] total 76 [2018-07-23 13:42:45,867 INFO L142 lantAutomatonBuilder]: Constructing canonical interpolant automaton, with selfloop in false state [2018-07-23 13:42:45,867 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-07-23 13:42:45,867 INFO L185 omatonBuilderFactory]: Interpolants [26918#true, 26919#false, 26920#(<= 1 (+ (* 73 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 26921#(<= 73 (+ (* 72 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 26922#(<= 144 (+ (* 71 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 26923#(<= 214 (+ (* 70 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 26924#(<= 283 (+ (* 69 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 26925#(<= 351 (+ (* 68 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 26926#(<= 418 (+ (* 67 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 26927#(<= 484 (+ (* 66 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 26928#(<= 549 (+ (* 65 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 26929#(<= 613 (+ (* 64 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 26930#(<= 676 (+ (* 63 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 26931#(<= 738 (+ (* 62 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 26932#(<= 799 (+ (* 61 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 26933#(<= 859 (+ (* 60 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 26934#(<= 918 (+ (* 59 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 26935#(<= 976 (+ (* 58 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 26936#(<= 1033 (+ (* 57 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 26937#(<= 1089 (+ (* 56 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 26938#(<= 1144 (+ (* 55 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 26939#(<= 1198 (+ (* 54 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 26940#(<= 1251 (+ (* 53 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 26941#(<= 1303 (+ (* 52 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 26942#(<= 1354 (+ (* 51 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 26943#(<= 1404 (+ (* 50 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 26944#(<= 1453 (+ (* 49 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 26945#(<= 1501 (+ (* 48 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 26946#(<= 1548 (+ (* 47 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 26947#(<= 1594 (+ (* 46 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 26948#(<= 1639 (+ (* 45 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 26949#(<= 1683 (+ (* 44 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 26950#(<= 1726 (+ (* 43 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 26951#(<= 1768 (+ (* 42 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 26952#(<= 1809 (+ (* 41 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 26953#(<= 1849 (+ (* 40 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 26954#(<= 1888 (+ (* 39 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 26955#(<= 1926 (+ (* 38 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 26956#(<= 1963 (+ (* 37 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 26957#(<= 1999 (+ (* 36 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 26958#(<= 2034 (+ (* 35 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 26959#(<= 2068 (+ (* 34 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 26960#(<= 2101 (+ (* 33 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 26961#(<= 2133 (+ (* 32 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 26962#(<= 2164 (+ (* 31 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 26963#(<= 2194 (+ (* 30 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 26964#(<= 2223 (+ (* 29 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 26965#(<= 2251 (+ (* 28 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 26966#(<= 2278 (+ (* 27 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 26967#(<= 2304 (+ (* 26 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 26968#(<= 2329 (+ (* 25 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 26969#(<= 2353 (+ (* 24 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 26970#(<= 2376 (+ (* 23 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 26971#(<= 2398 (+ (* 22 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 26972#(<= 2419 (+ (* 21 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 26973#(<= 2439 (+ (* 20 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 26974#(<= 2458 (+ (* 19 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 26975#(<= 2476 (+ (* 18 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 26976#(<= 2493 (+ (* 17 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 26977#(<= 2509 (+ (* 16 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 26978#(<= 2524 (+ (* 15 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 26979#(<= 2538 (+ (* 14 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 26980#(<= 2551 (+ (* 13 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 26981#(<= 2563 (+ (* 12 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 26982#(<= 2574 (+ (* 11 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 26983#(<= 2584 (+ (* 10 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 26984#(<= 2593 (+ (* 9 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 26985#(<= 2601 (+ (* 8 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 26986#(<= 2608 (+ (* 7 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 26987#(<= 2614 (+ (* 6 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 26988#(<= 2619 (+ (* 5 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 26989#(<= 2623 (+ (* 4 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 26990#(<= 2626 (+ (* 3 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 26991#(<= 2628 (+ (* 2 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 26992#(<= 2629 (+ ULTIMATE.start_main_~y~5 ULTIMATE.start_main_~x~5)), 26993#(<= 2629 ULTIMATE.start_main_~x~5), 26994#(<= (+ ULTIMATE.start_main_~y~5 2628) ULTIMATE.start_main_~x~5)] [2018-07-23 13:42:45,868 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 13:42:45,868 INFO L450 AbstractCegarLoop]: Interpolant automaton has 77 states [2018-07-23 13:42:45,868 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 77 interpolants. [2018-07-23 13:42:45,869 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=151, Invalid=5701, Unknown=0, NotChecked=0, Total=5852 [2018-07-23 13:42:45,869 INFO L87 Difference]: Start difference. First operand 153 states and 153 transitions. Second operand 77 states. [2018-07-23 13:42:46,860 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-07-23 13:42:46,861 INFO L93 Difference]: Finished difference Result 157 states and 157 transitions. [2018-07-23 13:42:46,861 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 77 states. [2018-07-23 13:42:46,861 INFO L78 Accepts]: Start accepts. Automaton has 77 states. Word has length 152 [2018-07-23 13:42:46,861 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-07-23 13:42:46,862 INFO L225 Difference]: With dead ends: 157 [2018-07-23 13:42:46,862 INFO L226 Difference]: Without dead ends: 155 [2018-07-23 13:42:46,863 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 13:42:46,863 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 155 states. [2018-07-23 13:42:46,916 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 155 to 155. [2018-07-23 13:42:46,916 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 155 states. [2018-07-23 13:42:46,917 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 155 states to 155 states and 155 transitions. [2018-07-23 13:42:46,917 INFO L78 Accepts]: Start accepts. Automaton has 155 states and 155 transitions. Word has length 152 [2018-07-23 13:42:46,917 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-07-23 13:42:46,917 INFO L471 AbstractCegarLoop]: Abstraction has 155 states and 155 transitions. [2018-07-23 13:42:46,917 INFO L472 AbstractCegarLoop]: Interpolant automaton has 77 states. [2018-07-23 13:42:46,918 INFO L276 IsEmpty]: Start isEmpty. Operand 155 states and 155 transitions. [2018-07-23 13:42:46,918 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 155 [2018-07-23 13:42:46,918 INFO L349 BasicCegarLoop]: Found error trace [2018-07-23 13:42:46,918 INFO L357 BasicCegarLoop]: trace histogram [76, 75, 1, 1, 1] [2018-07-23 13:42:46,919 INFO L414 AbstractCegarLoop]: === Iteration 76 === [ULTIMATE.startErr0AssertViolationASSERT]=== [2018-07-23 13:42:46,919 INFO L82 PathProgramCache]: Analyzing trace with hash -458992423, now seen corresponding path program 75 times [2018-07-23 13:42:46,919 INFO L69 tionRefinementEngine]: Using refinement strategy FixedRefinementStrategy [2018-07-23 13:42:47,004 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-07-23 13:42:47,472 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 13:42:47,472 INFO L309 seRefinementStrategy]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2018-07-23 13:42:47,472 INFO L324 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [77] total 77 [2018-07-23 13:42:47,473 INFO L142 lantAutomatonBuilder]: Constructing canonical interpolant automaton, with selfloop in false state [2018-07-23 13:42:47,473 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 13:42:47,473 INFO L185 omatonBuilderFactory]: Interpolants [27648#(<= 1621 (+ (* 47 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 27649#(<= 1667 (+ (* 46 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 27650#(<= 1712 (+ (* 45 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 27651#(<= 1756 (+ (* 44 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 27652#(<= 1799 (+ (* 43 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 27653#(<= 1841 (+ (* 42 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 27654#(<= 1882 (+ (* 41 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 27655#(<= 1922 (+ (* 40 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 27656#(<= 1961 (+ (* 39 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 27657#(<= 1999 (+ (* 38 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 27658#(<= 2036 (+ (* 37 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 27659#(<= 2072 (+ (* 36 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 27660#(<= 2107 (+ (* 35 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 27661#(<= 2141 (+ (* 34 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 27662#(<= 2174 (+ (* 33 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 27663#(<= 2206 (+ (* 32 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 27664#(<= 2237 (+ (* 31 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 27665#(<= 2267 (+ (* 30 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 27666#(<= 2296 (+ (* 29 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 27667#(<= 2324 (+ (* 28 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 27668#(<= 2351 (+ (* 27 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 27669#(<= 2377 (+ (* 26 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 27670#(<= 2402 (+ (* 25 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 27671#(<= 2426 (+ (* 24 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 27672#(<= 2449 (+ (* 23 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 27673#(<= 2471 (+ (* 22 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 27674#(<= 2492 (+ (* 21 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 27675#(<= 2512 (+ (* 20 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 27676#(<= 2531 (+ (* 19 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 27677#(<= 2549 (+ (* 18 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 27678#(<= 2566 (+ (* 17 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 27679#(<= 2582 (+ (* 16 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 27680#(<= 2597 (+ (* 15 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 27681#(<= 2611 (+ (* 14 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 27682#(<= 2624 (+ (* 13 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 27683#(<= 2636 (+ (* 12 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 27684#(<= 2647 (+ (* 11 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 27685#(<= 2657 (+ (* 10 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 27686#(<= 2666 (+ (* 9 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 27687#(<= 2674 (+ (* 8 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 27688#(<= 2681 (+ (* 7 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 27689#(<= 2687 (+ (* 6 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 27690#(<= 2692 (+ (* 5 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 27691#(<= 2696 (+ (* 4 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 27692#(<= 2699 (+ (* 3 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 27693#(<= 2701 (+ (* 2 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 27694#(<= 2702 (+ ULTIMATE.start_main_~y~5 ULTIMATE.start_main_~x~5)), 27695#(<= 2702 ULTIMATE.start_main_~x~5), 27696#(<= (+ ULTIMATE.start_main_~y~5 2701) ULTIMATE.start_main_~x~5), 27619#true, 27620#false, 27621#(<= 1 (+ (* 74 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 27622#(<= 74 (+ (* 73 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 27623#(<= 146 (+ (* 72 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 27624#(<= 217 (+ (* 71 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 27625#(<= 287 (+ (* 70 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 27626#(<= 356 (+ (* 69 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 27627#(<= 424 (+ (* 68 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 27628#(<= 491 (+ (* 67 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 27629#(<= 557 (+ (* 66 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 27630#(<= 622 (+ (* 65 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 27631#(<= 686 (+ (* 64 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 27632#(<= 749 (+ (* 63 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 27633#(<= 811 (+ (* 62 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 27634#(<= 872 (+ (* 61 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 27635#(<= 932 (+ (* 60 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 27636#(<= 991 (+ (* 59 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 27637#(<= 1049 (+ (* 58 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 27638#(<= 1106 (+ (* 57 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 27639#(<= 1162 (+ (* 56 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 27640#(<= 1217 (+ (* 55 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 27641#(<= 1271 (+ (* 54 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 27642#(<= 1324 (+ (* 53 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 27643#(<= 1376 (+ (* 52 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 27644#(<= 1427 (+ (* 51 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 27645#(<= 1477 (+ (* 50 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 27646#(<= 1526 (+ (* 49 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 27647#(<= 1574 (+ (* 48 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5))] [2018-07-23 13:42:47,474 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 13:42:47,474 INFO L450 AbstractCegarLoop]: Interpolant automaton has 78 states [2018-07-23 13:42:47,474 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 78 interpolants. [2018-07-23 13:42:47,474 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=153, Invalid=5853, Unknown=0, NotChecked=0, Total=6006 [2018-07-23 13:42:47,474 INFO L87 Difference]: Start difference. First operand 155 states and 155 transitions. Second operand 78 states. [2018-07-23 13:42:48,462 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-07-23 13:42:48,463 INFO L93 Difference]: Finished difference Result 159 states and 159 transitions. [2018-07-23 13:42:48,463 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 78 states. [2018-07-23 13:42:48,463 INFO L78 Accepts]: Start accepts. Automaton has 78 states. Word has length 154 [2018-07-23 13:42:48,463 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-07-23 13:42:48,464 INFO L225 Difference]: With dead ends: 159 [2018-07-23 13:42:48,464 INFO L226 Difference]: Without dead ends: 157 [2018-07-23 13:42:48,464 INFO L575 BasicCegarLoop]: 0 DeclaredPredicates, 77 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 76 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=153, Invalid=5853, Unknown=0, NotChecked=0, Total=6006 [2018-07-23 13:42:48,465 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 157 states. [2018-07-23 13:42:48,512 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 157 to 157. [2018-07-23 13:42:48,512 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 157 states. [2018-07-23 13:42:48,513 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 157 states to 157 states and 157 transitions. [2018-07-23 13:42:48,513 INFO L78 Accepts]: Start accepts. Automaton has 157 states and 157 transitions. Word has length 154 [2018-07-23 13:42:48,513 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-07-23 13:42:48,513 INFO L471 AbstractCegarLoop]: Abstraction has 157 states and 157 transitions. [2018-07-23 13:42:48,513 INFO L472 AbstractCegarLoop]: Interpolant automaton has 78 states. [2018-07-23 13:42:48,514 INFO L276 IsEmpty]: Start isEmpty. Operand 157 states and 157 transitions. [2018-07-23 13:42:48,514 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 157 [2018-07-23 13:42:48,514 INFO L349 BasicCegarLoop]: Found error trace [2018-07-23 13:42:48,515 INFO L357 BasicCegarLoop]: trace histogram [77, 76, 1, 1, 1] [2018-07-23 13:42:48,515 INFO L414 AbstractCegarLoop]: === Iteration 77 === [ULTIMATE.startErr0AssertViolationASSERT]=== [2018-07-23 13:42:48,515 INFO L82 PathProgramCache]: Analyzing trace with hash 1289845973, now seen corresponding path program 76 times [2018-07-23 13:42:48,515 INFO L69 tionRefinementEngine]: Using refinement strategy FixedRefinementStrategy [2018-07-23 13:42:48,614 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-07-23 13:42:49,115 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 13:42:49,116 INFO L309 seRefinementStrategy]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2018-07-23 13:42:49,116 INFO L324 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [78] total 78 [2018-07-23 13:42:49,116 INFO L142 lantAutomatonBuilder]: Constructing canonical interpolant automaton, with selfloop in false state [2018-07-23 13:42:49,116 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-07-23 13:42:49,116 INFO L185 omatonBuilderFactory]: Interpolants [28329#true, 28330#false, 28331#(<= 1 (+ (* 75 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 28332#(<= 75 (+ (* 74 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 28333#(<= 148 (+ (* 73 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 28334#(<= 220 (+ (* 72 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 28335#(<= 291 (+ (* 71 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 28336#(<= 361 (+ (* 70 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 28337#(<= 430 (+ (* 69 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 28338#(<= 498 (+ (* 68 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 28339#(<= 565 (+ (* 67 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 28340#(<= 631 (+ (* 66 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 28341#(<= 696 (+ (* 65 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 28342#(<= 760 (+ (* 64 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 28343#(<= 823 (+ (* 63 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 28344#(<= 885 (+ (* 62 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 28345#(<= 946 (+ (* 61 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 28346#(<= 1006 (+ (* 60 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 28347#(<= 1065 (+ (* 59 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 28348#(<= 1123 (+ (* 58 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 28349#(<= 1180 (+ (* 57 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 28350#(<= 1236 (+ (* 56 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 28351#(<= 1291 (+ (* 55 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 28352#(<= 1345 (+ (* 54 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 28353#(<= 1398 (+ (* 53 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 28354#(<= 1450 (+ (* 52 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 28355#(<= 1501 (+ (* 51 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 28356#(<= 1551 (+ (* 50 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 28357#(<= 1600 (+ (* 49 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 28358#(<= 1648 (+ (* 48 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 28359#(<= 1695 (+ (* 47 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 28360#(<= 1741 (+ (* 46 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 28361#(<= 1786 (+ (* 45 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 28362#(<= 1830 (+ (* 44 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 28363#(<= 1873 (+ (* 43 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 28364#(<= 1915 (+ (* 42 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 28365#(<= 1956 (+ (* 41 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 28366#(<= 1996 (+ (* 40 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 28367#(<= 2035 (+ (* 39 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 28368#(<= 2073 (+ (* 38 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 28369#(<= 2110 (+ (* 37 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 28370#(<= 2146 (+ (* 36 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 28371#(<= 2181 (+ (* 35 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 28372#(<= 2215 (+ (* 34 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 28373#(<= 2248 (+ (* 33 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 28374#(<= 2280 (+ (* 32 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 28375#(<= 2311 (+ (* 31 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 28376#(<= 2341 (+ (* 30 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 28377#(<= 2370 (+ (* 29 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 28378#(<= 2398 (+ (* 28 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 28379#(<= 2425 (+ (* 27 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 28380#(<= 2451 (+ (* 26 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 28381#(<= 2476 (+ (* 25 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 28382#(<= 2500 (+ (* 24 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 28383#(<= 2523 (+ (* 23 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 28384#(<= 2545 (+ (* 22 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 28385#(<= 2566 (+ (* 21 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 28386#(<= 2586 (+ (* 20 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 28387#(<= 2605 (+ (* 19 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 28388#(<= 2623 (+ (* 18 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 28389#(<= 2640 (+ (* 17 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 28390#(<= 2656 (+ (* 16 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 28391#(<= 2671 (+ (* 15 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 28392#(<= 2685 (+ (* 14 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 28393#(<= 2698 (+ (* 13 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 28394#(<= 2710 (+ (* 12 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 28395#(<= 2721 (+ (* 11 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 28396#(<= 2731 (+ (* 10 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 28397#(<= 2740 (+ (* 9 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 28398#(<= 2748 (+ (* 8 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 28399#(<= 2755 (+ (* 7 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 28400#(<= 2761 (+ (* 6 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 28401#(<= 2766 (+ (* 5 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 28402#(<= 2770 (+ (* 4 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 28403#(<= 2773 (+ (* 3 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 28404#(<= 2775 (+ (* 2 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 28405#(<= 2776 (+ ULTIMATE.start_main_~y~5 ULTIMATE.start_main_~x~5)), 28406#(<= 2776 ULTIMATE.start_main_~x~5), 28407#(<= (+ ULTIMATE.start_main_~y~5 2775) ULTIMATE.start_main_~x~5)] [2018-07-23 13:42:49,117 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 13:42:49,117 INFO L450 AbstractCegarLoop]: Interpolant automaton has 79 states [2018-07-23 13:42:49,117 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 79 interpolants. [2018-07-23 13:42:49,117 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=155, Invalid=6007, Unknown=0, NotChecked=0, Total=6162 [2018-07-23 13:42:49,118 INFO L87 Difference]: Start difference. First operand 157 states and 157 transitions. Second operand 79 states. [2018-07-23 13:42:50,242 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-07-23 13:42:50,242 INFO L93 Difference]: Finished difference Result 161 states and 161 transitions. [2018-07-23 13:42:50,242 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 79 states. [2018-07-23 13:42:50,242 INFO L78 Accepts]: Start accepts. Automaton has 79 states. Word has length 156 [2018-07-23 13:42:50,242 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-07-23 13:42:50,243 INFO L225 Difference]: With dead ends: 161 [2018-07-23 13:42:50,243 INFO L226 Difference]: Without dead ends: 159 [2018-07-23 13:42:50,243 INFO L575 BasicCegarLoop]: 0 DeclaredPredicates, 78 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 77 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=155, Invalid=6007, Unknown=0, NotChecked=0, Total=6162 [2018-07-23 13:42:50,243 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 159 states. [2018-07-23 13:42:50,286 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 159 to 159. [2018-07-23 13:42:50,287 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 159 states. [2018-07-23 13:42:50,287 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 159 states to 159 states and 159 transitions. [2018-07-23 13:42:50,287 INFO L78 Accepts]: Start accepts. Automaton has 159 states and 159 transitions. Word has length 156 [2018-07-23 13:42:50,287 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-07-23 13:42:50,287 INFO L471 AbstractCegarLoop]: Abstraction has 159 states and 159 transitions. [2018-07-23 13:42:50,287 INFO L472 AbstractCegarLoop]: Interpolant automaton has 79 states. [2018-07-23 13:42:50,287 INFO L276 IsEmpty]: Start isEmpty. Operand 159 states and 159 transitions. [2018-07-23 13:42:50,288 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 159 [2018-07-23 13:42:50,288 INFO L349 BasicCegarLoop]: Found error trace [2018-07-23 13:42:50,288 INFO L357 BasicCegarLoop]: trace histogram [78, 77, 1, 1, 1] [2018-07-23 13:42:50,288 INFO L414 AbstractCegarLoop]: === Iteration 78 === [ULTIMATE.startErr0AssertViolationASSERT]=== [2018-07-23 13:42:50,289 INFO L82 PathProgramCache]: Analyzing trace with hash -1703635503, now seen corresponding path program 77 times [2018-07-23 13:42:50,289 INFO L69 tionRefinementEngine]: Using refinement strategy FixedRefinementStrategy [2018-07-23 13:42:50,419 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-07-23 13:42:50,952 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 13:42:50,952 INFO L309 seRefinementStrategy]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2018-07-23 13:42:50,952 INFO L324 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [79] total 79 [2018-07-23 13:42:50,952 INFO L142 lantAutomatonBuilder]: Constructing canonical interpolant automaton, with selfloop in false state [2018-07-23 13:42:50,952 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-07-23 13:42:50,953 INFO L185 omatonBuilderFactory]: Interpolants [29056#(<= 436 (+ (* 70 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 29057#(<= 505 (+ (* 69 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 29058#(<= 573 (+ (* 68 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 29059#(<= 640 (+ (* 67 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 29060#(<= 706 (+ (* 66 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 29061#(<= 771 (+ (* 65 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 29062#(<= 835 (+ (* 64 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 29063#(<= 898 (+ (* 63 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 29064#(<= 960 (+ (* 62 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 29065#(<= 1021 (+ (* 61 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 29066#(<= 1081 (+ (* 60 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 29067#(<= 1140 (+ (* 59 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 29068#(<= 1198 (+ (* 58 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 29069#(<= 1255 (+ (* 57 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 29070#(<= 1311 (+ (* 56 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 29071#(<= 1366 (+ (* 55 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 29072#(<= 1420 (+ (* 54 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 29073#(<= 1473 (+ (* 53 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 29074#(<= 1525 (+ (* 52 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 29075#(<= 1576 (+ (* 51 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 29076#(<= 1626 (+ (* 50 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 29077#(<= 1675 (+ (* 49 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 29078#(<= 1723 (+ (* 48 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 29079#(<= 1770 (+ (* 47 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 29080#(<= 1816 (+ (* 46 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 29081#(<= 1861 (+ (* 45 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 29082#(<= 1905 (+ (* 44 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 29083#(<= 1948 (+ (* 43 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 29084#(<= 1990 (+ (* 42 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 29085#(<= 2031 (+ (* 41 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 29086#(<= 2071 (+ (* 40 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 29087#(<= 2110 (+ (* 39 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 29088#(<= 2148 (+ (* 38 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 29089#(<= 2185 (+ (* 37 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 29090#(<= 2221 (+ (* 36 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 29091#(<= 2256 (+ (* 35 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 29092#(<= 2290 (+ (* 34 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 29093#(<= 2323 (+ (* 33 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 29094#(<= 2355 (+ (* 32 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 29095#(<= 2386 (+ (* 31 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 29096#(<= 2416 (+ (* 30 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 29097#(<= 2445 (+ (* 29 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 29098#(<= 2473 (+ (* 28 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 29099#(<= 2500 (+ (* 27 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 29100#(<= 2526 (+ (* 26 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 29101#(<= 2551 (+ (* 25 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 29102#(<= 2575 (+ (* 24 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 29103#(<= 2598 (+ (* 23 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 29104#(<= 2620 (+ (* 22 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 29105#(<= 2641 (+ (* 21 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 29106#(<= 2661 (+ (* 20 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 29107#(<= 2680 (+ (* 19 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 29108#(<= 2698 (+ (* 18 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 29109#(<= 2715 (+ (* 17 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 29110#(<= 2731 (+ (* 16 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 29111#(<= 2746 (+ (* 15 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 29112#(<= 2760 (+ (* 14 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 29113#(<= 2773 (+ (* 13 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 29114#(<= 2785 (+ (* 12 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 29115#(<= 2796 (+ (* 11 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 29116#(<= 2806 (+ (* 10 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 29117#(<= 2815 (+ (* 9 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 29118#(<= 2823 (+ (* 8 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 29119#(<= 2830 (+ (* 7 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 29120#(<= 2836 (+ (* 6 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 29121#(<= 2841 (+ (* 5 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 29122#(<= 2845 (+ (* 4 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 29123#(<= 2848 (+ (* 3 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 29124#(<= 2850 (+ (* 2 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 29125#(<= 2851 (+ ULTIMATE.start_main_~y~5 ULTIMATE.start_main_~x~5)), 29126#(<= 2851 ULTIMATE.start_main_~x~5), 29127#(<= (+ ULTIMATE.start_main_~y~5 2850) ULTIMATE.start_main_~x~5), 29048#true, 29049#false, 29050#(<= 1 (+ (* 76 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 29051#(<= 76 (+ (* 75 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 29052#(<= 150 (+ (* 74 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 29053#(<= 223 (+ (* 73 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 29054#(<= 295 (+ (* 72 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 29055#(<= 366 (+ (* 71 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5))] [2018-07-23 13:42:50,953 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 13:42:50,953 INFO L450 AbstractCegarLoop]: Interpolant automaton has 80 states [2018-07-23 13:42:50,953 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 80 interpolants. [2018-07-23 13:42:50,954 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=157, Invalid=6163, Unknown=0, NotChecked=0, Total=6320 [2018-07-23 13:42:50,954 INFO L87 Difference]: Start difference. First operand 159 states and 159 transitions. Second operand 80 states. [2018-07-23 13:42:52,070 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-07-23 13:42:52,071 INFO L93 Difference]: Finished difference Result 163 states and 163 transitions. [2018-07-23 13:42:52,071 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 80 states. [2018-07-23 13:42:52,071 INFO L78 Accepts]: Start accepts. Automaton has 80 states. Word has length 158 [2018-07-23 13:42:52,071 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-07-23 13:42:52,072 INFO L225 Difference]: With dead ends: 163 [2018-07-23 13:42:52,072 INFO L226 Difference]: Without dead ends: 161 [2018-07-23 13:42:52,072 INFO L575 BasicCegarLoop]: 0 DeclaredPredicates, 79 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 78 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=157, Invalid=6163, Unknown=0, NotChecked=0, Total=6320 [2018-07-23 13:42:52,073 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 161 states. [2018-07-23 13:42:52,115 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 161 to 161. [2018-07-23 13:42:52,116 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 161 states. [2018-07-23 13:42:52,116 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 161 states to 161 states and 161 transitions. [2018-07-23 13:42:52,116 INFO L78 Accepts]: Start accepts. Automaton has 161 states and 161 transitions. Word has length 158 [2018-07-23 13:42:52,116 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-07-23 13:42:52,116 INFO L471 AbstractCegarLoop]: Abstraction has 161 states and 161 transitions. [2018-07-23 13:42:52,116 INFO L472 AbstractCegarLoop]: Interpolant automaton has 80 states. [2018-07-23 13:42:52,117 INFO L276 IsEmpty]: Start isEmpty. Operand 161 states and 161 transitions. [2018-07-23 13:42:52,117 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 161 [2018-07-23 13:42:52,117 INFO L349 BasicCegarLoop]: Found error trace [2018-07-23 13:42:52,117 INFO L357 BasicCegarLoop]: trace histogram [79, 78, 1, 1, 1] [2018-07-23 13:42:52,117 INFO L414 AbstractCegarLoop]: === Iteration 79 === [ULTIMATE.startErr0AssertViolationASSERT]=== [2018-07-23 13:42:52,118 INFO L82 PathProgramCache]: Analyzing trace with hash -811245619, now seen corresponding path program 78 times [2018-07-23 13:42:52,118 INFO L69 tionRefinementEngine]: Using refinement strategy FixedRefinementStrategy [2018-07-23 13:42:52,211 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-07-23 13:42:52,732 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 13:42:52,733 INFO L309 seRefinementStrategy]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2018-07-23 13:42:52,733 INFO L324 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [80] total 80 [2018-07-23 13:42:52,733 INFO L142 lantAutomatonBuilder]: Constructing canonical interpolant automaton, with selfloop in false state [2018-07-23 13:42:52,733 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-07-23 13:42:52,733 INFO L185 omatonBuilderFactory]: Interpolants [29824#(<= 2462 (+ (* 31 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 29825#(<= 2492 (+ (* 30 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 29826#(<= 2521 (+ (* 29 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 29827#(<= 2549 (+ (* 28 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 29828#(<= 2576 (+ (* 27 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 29829#(<= 2602 (+ (* 26 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 29830#(<= 2627 (+ (* 25 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 29831#(<= 2651 (+ (* 24 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 29832#(<= 2674 (+ (* 23 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 29833#(<= 2696 (+ (* 22 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 29834#(<= 2717 (+ (* 21 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 29835#(<= 2737 (+ (* 20 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 29836#(<= 2756 (+ (* 19 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 29837#(<= 2774 (+ (* 18 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 29838#(<= 2791 (+ (* 17 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 29839#(<= 2807 (+ (* 16 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 29840#(<= 2822 (+ (* 15 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 29841#(<= 2836 (+ (* 14 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 29842#(<= 2849 (+ (* 13 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 29843#(<= 2861 (+ (* 12 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 29844#(<= 2872 (+ (* 11 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 29845#(<= 2882 (+ (* 10 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 29846#(<= 2891 (+ (* 9 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 29847#(<= 2899 (+ (* 8 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 29848#(<= 2906 (+ (* 7 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 29849#(<= 2912 (+ (* 6 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 29850#(<= 2917 (+ (* 5 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 29851#(<= 2921 (+ (* 4 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 29852#(<= 2924 (+ (* 3 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 29853#(<= 2926 (+ (* 2 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 29854#(<= 2927 (+ ULTIMATE.start_main_~y~5 ULTIMATE.start_main_~x~5)), 29855#(<= 2927 ULTIMATE.start_main_~x~5), 29856#(<= (+ ULTIMATE.start_main_~y~5 2926) ULTIMATE.start_main_~x~5), 29776#true, 29777#false, 29778#(<= 1 (+ (* 77 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 29779#(<= 77 (+ (* 76 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 29780#(<= 152 (+ (* 75 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 29781#(<= 226 (+ (* 74 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 29782#(<= 299 (+ (* 73 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 29783#(<= 371 (+ (* 72 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 29784#(<= 442 (+ (* 71 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 29785#(<= 512 (+ (* 70 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 29786#(<= 581 (+ (* 69 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 29787#(<= 649 (+ (* 68 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 29788#(<= 716 (+ (* 67 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 29789#(<= 782 (+ (* 66 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 29790#(<= 847 (+ (* 65 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 29791#(<= 911 (+ (* 64 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 29792#(<= 974 (+ (* 63 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 29793#(<= 1036 (+ (* 62 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 29794#(<= 1097 (+ (* 61 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 29795#(<= 1157 (+ (* 60 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 29796#(<= 1216 (+ (* 59 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 29797#(<= 1274 (+ (* 58 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 29798#(<= 1331 (+ (* 57 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 29799#(<= 1387 (+ (* 56 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 29800#(<= 1442 (+ (* 55 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 29801#(<= 1496 (+ (* 54 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 29802#(<= 1549 (+ (* 53 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 29803#(<= 1601 (+ (* 52 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 29804#(<= 1652 (+ (* 51 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 29805#(<= 1702 (+ (* 50 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 29806#(<= 1751 (+ (* 49 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 29807#(<= 1799 (+ (* 48 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 29808#(<= 1846 (+ (* 47 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 29809#(<= 1892 (+ (* 46 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 29810#(<= 1937 (+ (* 45 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 29811#(<= 1981 (+ (* 44 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 29812#(<= 2024 (+ (* 43 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 29813#(<= 2066 (+ (* 42 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 29814#(<= 2107 (+ (* 41 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 29815#(<= 2147 (+ (* 40 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 29816#(<= 2186 (+ (* 39 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 29817#(<= 2224 (+ (* 38 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 29818#(<= 2261 (+ (* 37 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 29819#(<= 2297 (+ (* 36 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 29820#(<= 2332 (+ (* 35 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 29821#(<= 2366 (+ (* 34 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 29822#(<= 2399 (+ (* 33 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 29823#(<= 2431 (+ (* 32 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5))] [2018-07-23 13:42:52,734 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 13:42:52,734 INFO L450 AbstractCegarLoop]: Interpolant automaton has 81 states [2018-07-23 13:42:52,734 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 81 interpolants. [2018-07-23 13:42:52,734 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=159, Invalid=6321, Unknown=0, NotChecked=0, Total=6480 [2018-07-23 13:42:52,735 INFO L87 Difference]: Start difference. First operand 161 states and 161 transitions. Second operand 81 states. [2018-07-23 13:42:53,938 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-07-23 13:42:53,938 INFO L93 Difference]: Finished difference Result 165 states and 165 transitions. [2018-07-23 13:42:53,938 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 81 states. [2018-07-23 13:42:53,939 INFO L78 Accepts]: Start accepts. Automaton has 81 states. Word has length 160 [2018-07-23 13:42:53,939 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-07-23 13:42:53,939 INFO L225 Difference]: With dead ends: 165 [2018-07-23 13:42:53,939 INFO L226 Difference]: Without dead ends: 163 [2018-07-23 13:42:53,940 INFO L575 BasicCegarLoop]: 0 DeclaredPredicates, 80 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 79 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=159, Invalid=6321, Unknown=0, NotChecked=0, Total=6480 [2018-07-23 13:42:53,940 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 163 states. [2018-07-23 13:42:53,997 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 163 to 163. [2018-07-23 13:42:53,998 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 163 states. [2018-07-23 13:42:53,998 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 163 states to 163 states and 163 transitions. [2018-07-23 13:42:53,998 INFO L78 Accepts]: Start accepts. Automaton has 163 states and 163 transitions. Word has length 160 [2018-07-23 13:42:53,999 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-07-23 13:42:53,999 INFO L471 AbstractCegarLoop]: Abstraction has 163 states and 163 transitions. [2018-07-23 13:42:53,999 INFO L472 AbstractCegarLoop]: Interpolant automaton has 81 states. [2018-07-23 13:42:53,999 INFO L276 IsEmpty]: Start isEmpty. Operand 163 states and 163 transitions. [2018-07-23 13:42:54,000 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 163 [2018-07-23 13:42:54,000 INFO L349 BasicCegarLoop]: Found error trace [2018-07-23 13:42:54,000 INFO L357 BasicCegarLoop]: trace histogram [80, 79, 1, 1, 1] [2018-07-23 13:42:54,000 INFO L414 AbstractCegarLoop]: === Iteration 80 === [ULTIMATE.startErr0AssertViolationASSERT]=== [2018-07-23 13:42:54,000 INFO L82 PathProgramCache]: Analyzing trace with hash 2076941001, now seen corresponding path program 79 times [2018-07-23 13:42:54,000 INFO L69 tionRefinementEngine]: Using refinement strategy FixedRefinementStrategy [2018-07-23 13:42:54,088 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-07-23 13:42:54,594 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 13:42:54,594 INFO L309 seRefinementStrategy]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2018-07-23 13:42:54,594 INFO L324 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [81] total 81 [2018-07-23 13:42:54,595 INFO L142 lantAutomatonBuilder]: Constructing canonical interpolant automaton, with selfloop in false state [2018-07-23 13:42:54,595 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-07-23 13:42:54,595 INFO L185 omatonBuilderFactory]: Interpolants [30592#(<= 3004 (+ ULTIMATE.start_main_~y~5 ULTIMATE.start_main_~x~5)), 30593#(<= 3004 ULTIMATE.start_main_~x~5), 30594#(<= (+ ULTIMATE.start_main_~y~5 3003) ULTIMATE.start_main_~x~5), 30513#true, 30514#false, 30515#(<= 1 (+ (* 78 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 30516#(<= 78 (+ (* 77 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 30517#(<= 154 (+ (* 76 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 30518#(<= 229 (+ (* 75 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 30519#(<= 303 (+ (* 74 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 30520#(<= 376 (+ (* 73 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 30521#(<= 448 (+ (* 72 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 30522#(<= 519 (+ (* 71 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 30523#(<= 589 (+ (* 70 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 30524#(<= 658 (+ (* 69 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 30525#(<= 726 (+ (* 68 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 30526#(<= 793 (+ (* 67 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 30527#(<= 859 (+ (* 66 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 30528#(<= 924 (+ (* 65 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 30529#(<= 988 (+ (* 64 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 30530#(<= 1051 (+ (* 63 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 30531#(<= 1113 (+ (* 62 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 30532#(<= 1174 (+ (* 61 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 30533#(<= 1234 (+ (* 60 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 30534#(<= 1293 (+ (* 59 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 30535#(<= 1351 (+ (* 58 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 30536#(<= 1408 (+ (* 57 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 30537#(<= 1464 (+ (* 56 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 30538#(<= 1519 (+ (* 55 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 30539#(<= 1573 (+ (* 54 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 30540#(<= 1626 (+ (* 53 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 30541#(<= 1678 (+ (* 52 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 30542#(<= 1729 (+ (* 51 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 30543#(<= 1779 (+ (* 50 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 30544#(<= 1828 (+ (* 49 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 30545#(<= 1876 (+ (* 48 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 30546#(<= 1923 (+ (* 47 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 30547#(<= 1969 (+ (* 46 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 30548#(<= 2014 (+ (* 45 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 30549#(<= 2058 (+ (* 44 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 30550#(<= 2101 (+ (* 43 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 30551#(<= 2143 (+ (* 42 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 30552#(<= 2184 (+ (* 41 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 30553#(<= 2224 (+ (* 40 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 30554#(<= 2263 (+ (* 39 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 30555#(<= 2301 (+ (* 38 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 30556#(<= 2338 (+ (* 37 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 30557#(<= 2374 (+ (* 36 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 30558#(<= 2409 (+ (* 35 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 30559#(<= 2443 (+ (* 34 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 30560#(<= 2476 (+ (* 33 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 30561#(<= 2508 (+ (* 32 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 30562#(<= 2539 (+ (* 31 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 30563#(<= 2569 (+ (* 30 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 30564#(<= 2598 (+ (* 29 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 30565#(<= 2626 (+ (* 28 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 30566#(<= 2653 (+ (* 27 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 30567#(<= 2679 (+ (* 26 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 30568#(<= 2704 (+ (* 25 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 30569#(<= 2728 (+ (* 24 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 30570#(<= 2751 (+ (* 23 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 30571#(<= 2773 (+ (* 22 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 30572#(<= 2794 (+ (* 21 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 30573#(<= 2814 (+ (* 20 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 30574#(<= 2833 (+ (* 19 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 30575#(<= 2851 (+ (* 18 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 30576#(<= 2868 (+ (* 17 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 30577#(<= 2884 (+ (* 16 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 30578#(<= 2899 (+ (* 15 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 30579#(<= 2913 (+ (* 14 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 30580#(<= 2926 (+ (* 13 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 30581#(<= 2938 (+ (* 12 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 30582#(<= 2949 (+ (* 11 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 30583#(<= 2959 (+ (* 10 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 30584#(<= 2968 (+ (* 9 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 30585#(<= 2976 (+ (* 8 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 30586#(<= 2983 (+ (* 7 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 30587#(<= 2989 (+ (* 6 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 30588#(<= 2994 (+ (* 5 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 30589#(<= 2998 (+ (* 4 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 30590#(<= 3001 (+ (* 3 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 30591#(<= 3003 (+ (* 2 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5))] [2018-07-23 13:42:54,596 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 13:42:54,596 INFO L450 AbstractCegarLoop]: Interpolant automaton has 82 states [2018-07-23 13:42:54,596 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 82 interpolants. [2018-07-23 13:42:54,596 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=161, Invalid=6481, Unknown=0, NotChecked=0, Total=6642 [2018-07-23 13:42:54,596 INFO L87 Difference]: Start difference. First operand 163 states and 163 transitions. Second operand 82 states. [2018-07-23 13:42:55,677 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-07-23 13:42:55,678 INFO L93 Difference]: Finished difference Result 167 states and 167 transitions. [2018-07-23 13:42:55,678 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 82 states. [2018-07-23 13:42:55,678 INFO L78 Accepts]: Start accepts. Automaton has 82 states. Word has length 162 [2018-07-23 13:42:55,678 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-07-23 13:42:55,679 INFO L225 Difference]: With dead ends: 167 [2018-07-23 13:42:55,679 INFO L226 Difference]: Without dead ends: 165 [2018-07-23 13:42:55,679 INFO L575 BasicCegarLoop]: 0 DeclaredPredicates, 81 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 80 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=161, Invalid=6481, Unknown=0, NotChecked=0, Total=6642 [2018-07-23 13:42:55,680 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 165 states. [2018-07-23 13:42:55,725 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 165 to 165. [2018-07-23 13:42:55,726 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 165 states. [2018-07-23 13:42:55,726 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 165 states to 165 states and 165 transitions. [2018-07-23 13:42:55,726 INFO L78 Accepts]: Start accepts. Automaton has 165 states and 165 transitions. Word has length 162 [2018-07-23 13:42:55,726 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-07-23 13:42:55,726 INFO L471 AbstractCegarLoop]: Abstraction has 165 states and 165 transitions. [2018-07-23 13:42:55,726 INFO L472 AbstractCegarLoop]: Interpolant automaton has 82 states. [2018-07-23 13:42:55,726 INFO L276 IsEmpty]: Start isEmpty. Operand 165 states and 165 transitions. [2018-07-23 13:42:55,727 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 165 [2018-07-23 13:42:55,727 INFO L349 BasicCegarLoop]: Found error trace [2018-07-23 13:42:55,727 INFO L357 BasicCegarLoop]: trace histogram [81, 80, 1, 1, 1] [2018-07-23 13:42:55,727 INFO L414 AbstractCegarLoop]: === Iteration 81 === [ULTIMATE.startErr0AssertViolationASSERT]=== [2018-07-23 13:42:55,727 INFO L82 PathProgramCache]: Analyzing trace with hash -1219557691, now seen corresponding path program 80 times [2018-07-23 13:42:55,728 INFO L69 tionRefinementEngine]: Using refinement strategy FixedRefinementStrategy [2018-07-23 13:42:55,834 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-07-23 13:42:56,371 INFO L134 CoverageAnalysis]: Checked inductivity of 6480 backedges. 0 proven. 6480 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-07-23 13:42:56,371 INFO L309 seRefinementStrategy]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2018-07-23 13:42:56,371 INFO L324 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [82] total 82 [2018-07-23 13:42:56,371 INFO L142 lantAutomatonBuilder]: Constructing canonical interpolant automaton, with selfloop in false state [2018-07-23 13:42:56,372 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-07-23 13:42:56,372 INFO L185 omatonBuilderFactory]: Interpolants [31259#true, 31260#false, 31261#(<= 1 (+ (* 79 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 31262#(<= 79 (+ (* 78 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 31263#(<= 156 (+ (* 77 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 31264#(<= 232 (+ (* 76 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 31265#(<= 307 (+ (* 75 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 31266#(<= 381 (+ (* 74 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 31267#(<= 454 (+ (* 73 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 31268#(<= 526 (+ (* 72 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 31269#(<= 597 (+ (* 71 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 31270#(<= 667 (+ (* 70 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 31271#(<= 736 (+ (* 69 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 31272#(<= 804 (+ (* 68 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 31273#(<= 871 (+ (* 67 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 31274#(<= 937 (+ (* 66 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 31275#(<= 1002 (+ (* 65 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 31276#(<= 1066 (+ (* 64 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 31277#(<= 1129 (+ (* 63 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 31278#(<= 1191 (+ (* 62 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 31279#(<= 1252 (+ (* 61 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 31280#(<= 1312 (+ (* 60 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 31281#(<= 1371 (+ (* 59 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 31282#(<= 1429 (+ (* 58 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 31283#(<= 1486 (+ (* 57 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 31284#(<= 1542 (+ (* 56 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 31285#(<= 1597 (+ (* 55 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 31286#(<= 1651 (+ (* 54 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 31287#(<= 1704 (+ (* 53 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 31288#(<= 1756 (+ (* 52 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 31289#(<= 1807 (+ (* 51 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 31290#(<= 1857 (+ (* 50 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 31291#(<= 1906 (+ (* 49 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 31292#(<= 1954 (+ (* 48 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 31293#(<= 2001 (+ (* 47 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 31294#(<= 2047 (+ (* 46 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 31295#(<= 2092 (+ (* 45 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 31296#(<= 2136 (+ (* 44 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 31297#(<= 2179 (+ (* 43 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 31298#(<= 2221 (+ (* 42 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 31299#(<= 2262 (+ (* 41 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 31300#(<= 2302 (+ (* 40 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 31301#(<= 2341 (+ (* 39 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 31302#(<= 2379 (+ (* 38 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 31303#(<= 2416 (+ (* 37 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 31304#(<= 2452 (+ (* 36 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 31305#(<= 2487 (+ (* 35 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 31306#(<= 2521 (+ (* 34 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 31307#(<= 2554 (+ (* 33 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 31308#(<= 2586 (+ (* 32 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 31309#(<= 2617 (+ (* 31 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 31310#(<= 2647 (+ (* 30 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 31311#(<= 2676 (+ (* 29 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 31312#(<= 2704 (+ (* 28 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 31313#(<= 2731 (+ (* 27 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 31314#(<= 2757 (+ (* 26 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 31315#(<= 2782 (+ (* 25 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 31316#(<= 2806 (+ (* 24 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 31317#(<= 2829 (+ (* 23 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 31318#(<= 2851 (+ (* 22 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 31319#(<= 2872 (+ (* 21 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 31320#(<= 2892 (+ (* 20 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 31321#(<= 2911 (+ (* 19 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 31322#(<= 2929 (+ (* 18 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 31323#(<= 2946 (+ (* 17 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 31324#(<= 2962 (+ (* 16 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 31325#(<= 2977 (+ (* 15 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 31326#(<= 2991 (+ (* 14 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 31327#(<= 3004 (+ (* 13 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 31328#(<= 3016 (+ (* 12 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 31329#(<= 3027 (+ (* 11 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 31330#(<= 3037 (+ (* 10 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 31331#(<= 3046 (+ (* 9 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 31332#(<= 3054 (+ (* 8 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 31333#(<= 3061 (+ (* 7 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 31334#(<= 3067 (+ (* 6 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 31335#(<= 3072 (+ (* 5 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 31336#(<= 3076 (+ (* 4 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 31337#(<= 3079 (+ (* 3 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 31338#(<= 3081 (+ (* 2 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 31339#(<= 3082 (+ ULTIMATE.start_main_~y~5 ULTIMATE.start_main_~x~5)), 31340#(<= 3082 ULTIMATE.start_main_~x~5), 31341#(<= (+ ULTIMATE.start_main_~y~5 3081) ULTIMATE.start_main_~x~5)] [2018-07-23 13:42:56,373 INFO L134 CoverageAnalysis]: Checked inductivity of 6480 backedges. 0 proven. 6480 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-07-23 13:42:56,373 INFO L450 AbstractCegarLoop]: Interpolant automaton has 83 states [2018-07-23 13:42:56,373 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 83 interpolants. [2018-07-23 13:42:56,373 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=163, Invalid=6643, Unknown=0, NotChecked=0, Total=6806 [2018-07-23 13:42:56,374 INFO L87 Difference]: Start difference. First operand 165 states and 165 transitions. Second operand 83 states. [2018-07-23 13:42:57,536 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-07-23 13:42:57,536 INFO L93 Difference]: Finished difference Result 169 states and 169 transitions. [2018-07-23 13:42:57,536 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 83 states. [2018-07-23 13:42:57,536 INFO L78 Accepts]: Start accepts. Automaton has 83 states. Word has length 164 [2018-07-23 13:42:57,536 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-07-23 13:42:57,537 INFO L225 Difference]: With dead ends: 169 [2018-07-23 13:42:57,537 INFO L226 Difference]: Without dead ends: 167 [2018-07-23 13:42:57,538 INFO L575 BasicCegarLoop]: 0 DeclaredPredicates, 82 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 81 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=163, Invalid=6643, Unknown=0, NotChecked=0, Total=6806 [2018-07-23 13:42:57,538 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 167 states. [2018-07-23 13:42:57,586 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 167 to 167. [2018-07-23 13:42:57,587 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 167 states. [2018-07-23 13:42:57,587 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 167 states to 167 states and 167 transitions. [2018-07-23 13:42:57,587 INFO L78 Accepts]: Start accepts. Automaton has 167 states and 167 transitions. Word has length 164 [2018-07-23 13:42:57,587 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-07-23 13:42:57,587 INFO L471 AbstractCegarLoop]: Abstraction has 167 states and 167 transitions. [2018-07-23 13:42:57,588 INFO L472 AbstractCegarLoop]: Interpolant automaton has 83 states. [2018-07-23 13:42:57,588 INFO L276 IsEmpty]: Start isEmpty. Operand 167 states and 167 transitions. [2018-07-23 13:42:57,588 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 167 [2018-07-23 13:42:57,588 INFO L349 BasicCegarLoop]: Found error trace [2018-07-23 13:42:57,589 INFO L357 BasicCegarLoop]: trace histogram [82, 81, 1, 1, 1] [2018-07-23 13:42:57,589 INFO L414 AbstractCegarLoop]: === Iteration 82 === [ULTIMATE.startErr0AssertViolationASSERT]=== [2018-07-23 13:42:57,589 INFO L82 PathProgramCache]: Analyzing trace with hash 531063745, now seen corresponding path program 81 times [2018-07-23 13:42:57,589 INFO L69 tionRefinementEngine]: Using refinement strategy FixedRefinementStrategy [2018-07-23 13:42:57,750 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-07-23 13:42:58,345 INFO L134 CoverageAnalysis]: Checked inductivity of 6642 backedges. 0 proven. 6642 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-07-23 13:42:58,345 INFO L309 seRefinementStrategy]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2018-07-23 13:42:58,346 INFO L324 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [83] total 83 [2018-07-23 13:42:58,346 INFO L142 lantAutomatonBuilder]: Constructing canonical interpolant automaton, with selfloop in false state [2018-07-23 13:42:58,346 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 13:42:58,346 INFO L185 omatonBuilderFactory]: Interpolants [32014#true, 32015#false, 32016#(<= 1 (+ (* 80 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 32017#(<= 80 (+ (* 79 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 32018#(<= 158 (+ (* 78 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 32019#(<= 235 (+ (* 77 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 32020#(<= 311 (+ (* 76 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 32021#(<= 386 (+ (* 75 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 32022#(<= 460 (+ (* 74 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 32023#(<= 533 (+ (* 73 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 32024#(<= 605 (+ (* 72 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 32025#(<= 676 (+ (* 71 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 32026#(<= 746 (+ (* 70 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 32027#(<= 815 (+ (* 69 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 32028#(<= 883 (+ (* 68 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 32029#(<= 950 (+ (* 67 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 32030#(<= 1016 (+ (* 66 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 32031#(<= 1081 (+ (* 65 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 32032#(<= 1145 (+ (* 64 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 32033#(<= 1208 (+ (* 63 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 32034#(<= 1270 (+ (* 62 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 32035#(<= 1331 (+ (* 61 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 32036#(<= 1391 (+ (* 60 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 32037#(<= 1450 (+ (* 59 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 32038#(<= 1508 (+ (* 58 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 32039#(<= 1565 (+ (* 57 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 32040#(<= 1621 (+ (* 56 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 32041#(<= 1676 (+ (* 55 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 32042#(<= 1730 (+ (* 54 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 32043#(<= 1783 (+ (* 53 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 32044#(<= 1835 (+ (* 52 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 32045#(<= 1886 (+ (* 51 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 32046#(<= 1936 (+ (* 50 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 32047#(<= 1985 (+ (* 49 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 32048#(<= 2033 (+ (* 48 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 32049#(<= 2080 (+ (* 47 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 32050#(<= 2126 (+ (* 46 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 32051#(<= 2171 (+ (* 45 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 32052#(<= 2215 (+ (* 44 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 32053#(<= 2258 (+ (* 43 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 32054#(<= 2300 (+ (* 42 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 32055#(<= 2341 (+ (* 41 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 32056#(<= 2381 (+ (* 40 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 32057#(<= 2420 (+ (* 39 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 32058#(<= 2458 (+ (* 38 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 32059#(<= 2495 (+ (* 37 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 32060#(<= 2531 (+ (* 36 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 32061#(<= 2566 (+ (* 35 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 32062#(<= 2600 (+ (* 34 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 32063#(<= 2633 (+ (* 33 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 32064#(<= 2665 (+ (* 32 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 32065#(<= 2696 (+ (* 31 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 32066#(<= 2726 (+ (* 30 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 32067#(<= 2755 (+ (* 29 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 32068#(<= 2783 (+ (* 28 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 32069#(<= 2810 (+ (* 27 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 32070#(<= 2836 (+ (* 26 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 32071#(<= 2861 (+ (* 25 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 32072#(<= 2885 (+ (* 24 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 32073#(<= 2908 (+ (* 23 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 32074#(<= 2930 (+ (* 22 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 32075#(<= 2951 (+ (* 21 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 32076#(<= 2971 (+ (* 20 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 32077#(<= 2990 (+ (* 19 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 32078#(<= 3008 (+ (* 18 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 32079#(<= 3025 (+ (* 17 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 32080#(<= 3041 (+ (* 16 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 32081#(<= 3056 (+ (* 15 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 32082#(<= 3070 (+ (* 14 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 32083#(<= 3083 (+ (* 13 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 32084#(<= 3095 (+ (* 12 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 32085#(<= 3106 (+ (* 11 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 32086#(<= 3116 (+ (* 10 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 32087#(<= 3125 (+ (* 9 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 32088#(<= 3133 (+ (* 8 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 32089#(<= 3140 (+ (* 7 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 32090#(<= 3146 (+ (* 6 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 32091#(<= 3151 (+ (* 5 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 32092#(<= 3155 (+ (* 4 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 32093#(<= 3158 (+ (* 3 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 32094#(<= 3160 (+ (* 2 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 32095#(<= 3161 (+ ULTIMATE.start_main_~y~5 ULTIMATE.start_main_~x~5)), 32096#(<= 3161 ULTIMATE.start_main_~x~5), 32097#(<= (+ ULTIMATE.start_main_~y~5 3160) ULTIMATE.start_main_~x~5)] [2018-07-23 13:42:58,347 INFO L134 CoverageAnalysis]: Checked inductivity of 6642 backedges. 0 proven. 6642 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-07-23 13:42:58,347 INFO L450 AbstractCegarLoop]: Interpolant automaton has 84 states [2018-07-23 13:42:58,347 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 84 interpolants. [2018-07-23 13:42:58,348 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=165, Invalid=6807, Unknown=0, NotChecked=0, Total=6972 [2018-07-23 13:42:58,348 INFO L87 Difference]: Start difference. First operand 167 states and 167 transitions. Second operand 84 states. [2018-07-23 13:42:59,475 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-07-23 13:42:59,475 INFO L93 Difference]: Finished difference Result 171 states and 171 transitions. [2018-07-23 13:42:59,475 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 84 states. [2018-07-23 13:42:59,475 INFO L78 Accepts]: Start accepts. Automaton has 84 states. Word has length 166 [2018-07-23 13:42:59,475 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-07-23 13:42:59,476 INFO L225 Difference]: With dead ends: 171 [2018-07-23 13:42:59,476 INFO L226 Difference]: Without dead ends: 169 [2018-07-23 13:42:59,477 INFO L575 BasicCegarLoop]: 0 DeclaredPredicates, 83 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 82 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=165, Invalid=6807, Unknown=0, NotChecked=0, Total=6972 [2018-07-23 13:42:59,477 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 169 states. [2018-07-23 13:42:59,523 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 169 to 169. [2018-07-23 13:42:59,523 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 169 states. [2018-07-23 13:42:59,524 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 169 states to 169 states and 169 transitions. [2018-07-23 13:42:59,524 INFO L78 Accepts]: Start accepts. Automaton has 169 states and 169 transitions. Word has length 166 [2018-07-23 13:42:59,524 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-07-23 13:42:59,524 INFO L471 AbstractCegarLoop]: Abstraction has 169 states and 169 transitions. [2018-07-23 13:42:59,524 INFO L472 AbstractCegarLoop]: Interpolant automaton has 84 states. [2018-07-23 13:42:59,524 INFO L276 IsEmpty]: Start isEmpty. Operand 169 states and 169 transitions. [2018-07-23 13:42:59,525 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 169 [2018-07-23 13:42:59,525 INFO L349 BasicCegarLoop]: Found error trace [2018-07-23 13:42:59,525 INFO L357 BasicCegarLoop]: trace histogram [83, 82, 1, 1, 1] [2018-07-23 13:42:59,525 INFO L414 AbstractCegarLoop]: === Iteration 83 === [ULTIMATE.startErr0AssertViolationASSERT]=== [2018-07-23 13:42:59,525 INFO L82 PathProgramCache]: Analyzing trace with hash -748916291, now seen corresponding path program 82 times [2018-07-23 13:42:59,525 INFO L69 tionRefinementEngine]: Using refinement strategy FixedRefinementStrategy [2018-07-23 13:42:59,638 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-07-23 13:43:00,204 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 13:43:00,205 INFO L309 seRefinementStrategy]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2018-07-23 13:43:00,205 INFO L324 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [84] total 84 [2018-07-23 13:43:00,205 INFO L142 lantAutomatonBuilder]: Constructing canonical interpolant automaton, with selfloop in false state [2018-07-23 13:43:00,205 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-07-23 13:43:00,205 INFO L185 omatonBuilderFactory]: Interpolants [32778#true, 32779#false, 32780#(<= 1 (+ (* 81 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 32781#(<= 81 (+ (* 80 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 32782#(<= 160 (+ (* 79 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 32783#(<= 238 (+ (* 78 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 32784#(<= 315 (+ (* 77 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 32785#(<= 391 (+ (* 76 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 32786#(<= 466 (+ (* 75 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 32787#(<= 540 (+ (* 74 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 32788#(<= 613 (+ (* 73 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 32789#(<= 685 (+ (* 72 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 32790#(<= 756 (+ (* 71 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 32791#(<= 826 (+ (* 70 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 32792#(<= 895 (+ (* 69 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 32793#(<= 963 (+ (* 68 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 32794#(<= 1030 (+ (* 67 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 32795#(<= 1096 (+ (* 66 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 32796#(<= 1161 (+ (* 65 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 32797#(<= 1225 (+ (* 64 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 32798#(<= 1288 (+ (* 63 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 32799#(<= 1350 (+ (* 62 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 32800#(<= 1411 (+ (* 61 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 32801#(<= 1471 (+ (* 60 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 32802#(<= 1530 (+ (* 59 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 32803#(<= 1588 (+ (* 58 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 32804#(<= 1645 (+ (* 57 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 32805#(<= 1701 (+ (* 56 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 32806#(<= 1756 (+ (* 55 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 32807#(<= 1810 (+ (* 54 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 32808#(<= 1863 (+ (* 53 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 32809#(<= 1915 (+ (* 52 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 32810#(<= 1966 (+ (* 51 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 32811#(<= 2016 (+ (* 50 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 32812#(<= 2065 (+ (* 49 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 32813#(<= 2113 (+ (* 48 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 32814#(<= 2160 (+ (* 47 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 32815#(<= 2206 (+ (* 46 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 32816#(<= 2251 (+ (* 45 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 32817#(<= 2295 (+ (* 44 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 32818#(<= 2338 (+ (* 43 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 32819#(<= 2380 (+ (* 42 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 32820#(<= 2421 (+ (* 41 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 32821#(<= 2461 (+ (* 40 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 32822#(<= 2500 (+ (* 39 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 32823#(<= 2538 (+ (* 38 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 32824#(<= 2575 (+ (* 37 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 32825#(<= 2611 (+ (* 36 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 32826#(<= 2646 (+ (* 35 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 32827#(<= 2680 (+ (* 34 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 32828#(<= 2713 (+ (* 33 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 32829#(<= 2745 (+ (* 32 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 32830#(<= 2776 (+ (* 31 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 32831#(<= 2806 (+ (* 30 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 32832#(<= 2835 (+ (* 29 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 32833#(<= 2863 (+ (* 28 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 32834#(<= 2890 (+ (* 27 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 32835#(<= 2916 (+ (* 26 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 32836#(<= 2941 (+ (* 25 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 32837#(<= 2965 (+ (* 24 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 32838#(<= 2988 (+ (* 23 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 32839#(<= 3010 (+ (* 22 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 32840#(<= 3031 (+ (* 21 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 32841#(<= 3051 (+ (* 20 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 32842#(<= 3070 (+ (* 19 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 32843#(<= 3088 (+ (* 18 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 32844#(<= 3105 (+ (* 17 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 32845#(<= 3121 (+ (* 16 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 32846#(<= 3136 (+ (* 15 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 32847#(<= 3150 (+ (* 14 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 32848#(<= 3163 (+ (* 13 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 32849#(<= 3175 (+ (* 12 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 32850#(<= 3186 (+ (* 11 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 32851#(<= 3196 (+ (* 10 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 32852#(<= 3205 (+ (* 9 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 32853#(<= 3213 (+ (* 8 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 32854#(<= 3220 (+ (* 7 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 32855#(<= 3226 (+ (* 6 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 32856#(<= 3231 (+ (* 5 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 32857#(<= 3235 (+ (* 4 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 32858#(<= 3238 (+ (* 3 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 32859#(<= 3240 (+ (* 2 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 32860#(<= 3241 (+ ULTIMATE.start_main_~y~5 ULTIMATE.start_main_~x~5)), 32861#(<= 3241 ULTIMATE.start_main_~x~5), 32862#(<= (+ ULTIMATE.start_main_~y~5 3240) ULTIMATE.start_main_~x~5)] [2018-07-23 13:43:00,206 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 13:43:00,206 INFO L450 AbstractCegarLoop]: Interpolant automaton has 85 states [2018-07-23 13:43:00,206 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 85 interpolants. [2018-07-23 13:43:00,206 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=167, Invalid=6973, Unknown=0, NotChecked=0, Total=7140 [2018-07-23 13:43:00,207 INFO L87 Difference]: Start difference. First operand 169 states and 169 transitions. Second operand 85 states. [2018-07-23 13:43:01,390 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-07-23 13:43:01,390 INFO L93 Difference]: Finished difference Result 173 states and 173 transitions. [2018-07-23 13:43:01,390 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 85 states. [2018-07-23 13:43:01,390 INFO L78 Accepts]: Start accepts. Automaton has 85 states. Word has length 168 [2018-07-23 13:43:01,390 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-07-23 13:43:01,391 INFO L225 Difference]: With dead ends: 173 [2018-07-23 13:43:01,391 INFO L226 Difference]: Without dead ends: 171 [2018-07-23 13:43:01,392 INFO L575 BasicCegarLoop]: 0 DeclaredPredicates, 84 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 83 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.4s TimeCoverageRelationStatistics Valid=167, Invalid=6973, Unknown=0, NotChecked=0, Total=7140 [2018-07-23 13:43:01,392 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 171 states. [2018-07-23 13:43:01,441 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 171 to 171. [2018-07-23 13:43:01,441 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 171 states. [2018-07-23 13:43:01,441 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 171 states to 171 states and 171 transitions. [2018-07-23 13:43:01,441 INFO L78 Accepts]: Start accepts. Automaton has 171 states and 171 transitions. Word has length 168 [2018-07-23 13:43:01,442 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-07-23 13:43:01,442 INFO L471 AbstractCegarLoop]: Abstraction has 171 states and 171 transitions. [2018-07-23 13:43:01,442 INFO L472 AbstractCegarLoop]: Interpolant automaton has 85 states. [2018-07-23 13:43:01,442 INFO L276 IsEmpty]: Start isEmpty. Operand 171 states and 171 transitions. [2018-07-23 13:43:01,442 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 171 [2018-07-23 13:43:01,442 INFO L349 BasicCegarLoop]: Found error trace [2018-07-23 13:43:01,443 INFO L357 BasicCegarLoop]: trace histogram [84, 83, 1, 1, 1] [2018-07-23 13:43:01,443 INFO L414 AbstractCegarLoop]: === Iteration 84 === [ULTIMATE.startErr0AssertViolationASSERT]=== [2018-07-23 13:43:01,443 INFO L82 PathProgramCache]: Analyzing trace with hash 1845883065, now seen corresponding path program 83 times [2018-07-23 13:43:01,443 INFO L69 tionRefinementEngine]: Using refinement strategy FixedRefinementStrategy [2018-07-23 13:43:01,555 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-07-23 13:43:02,167 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 13:43:02,167 INFO L309 seRefinementStrategy]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2018-07-23 13:43:02,167 INFO L324 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [85] total 85 [2018-07-23 13:43:02,167 INFO L142 lantAutomatonBuilder]: Constructing canonical interpolant automaton, with selfloop in false state [2018-07-23 13:43:02,167 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-07-23 13:43:02,168 INFO L185 omatonBuilderFactory]: Interpolants [33551#true, 33552#false, 33553#(<= 1 (+ (* 82 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 33554#(<= 82 (+ (* 81 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 33555#(<= 162 (+ (* 80 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 33556#(<= 241 (+ (* 79 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 33557#(<= 319 (+ (* 78 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 33558#(<= 396 (+ (* 77 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 33559#(<= 472 (+ (* 76 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 33560#(<= 547 (+ (* 75 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 33561#(<= 621 (+ (* 74 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 33562#(<= 694 (+ (* 73 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 33563#(<= 766 (+ (* 72 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 33564#(<= 837 (+ (* 71 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 33565#(<= 907 (+ (* 70 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 33566#(<= 976 (+ (* 69 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 33567#(<= 1044 (+ (* 68 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 33568#(<= 1111 (+ (* 67 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 33569#(<= 1177 (+ (* 66 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 33570#(<= 1242 (+ (* 65 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 33571#(<= 1306 (+ (* 64 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 33572#(<= 1369 (+ (* 63 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 33573#(<= 1431 (+ (* 62 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 33574#(<= 1492 (+ (* 61 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 33575#(<= 1552 (+ (* 60 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 33576#(<= 1611 (+ (* 59 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 33577#(<= 1669 (+ (* 58 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 33578#(<= 1726 (+ (* 57 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 33579#(<= 1782 (+ (* 56 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 33580#(<= 1837 (+ (* 55 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 33581#(<= 1891 (+ (* 54 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 33582#(<= 1944 (+ (* 53 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 33583#(<= 1996 (+ (* 52 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 33584#(<= 2047 (+ (* 51 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 33585#(<= 2097 (+ (* 50 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 33586#(<= 2146 (+ (* 49 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 33587#(<= 2194 (+ (* 48 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 33588#(<= 2241 (+ (* 47 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 33589#(<= 2287 (+ (* 46 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 33590#(<= 2332 (+ (* 45 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 33591#(<= 2376 (+ (* 44 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 33592#(<= 2419 (+ (* 43 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 33593#(<= 2461 (+ (* 42 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 33594#(<= 2502 (+ (* 41 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 33595#(<= 2542 (+ (* 40 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 33596#(<= 2581 (+ (* 39 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 33597#(<= 2619 (+ (* 38 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 33598#(<= 2656 (+ (* 37 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 33599#(<= 2692 (+ (* 36 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 33600#(<= 2727 (+ (* 35 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 33601#(<= 2761 (+ (* 34 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 33602#(<= 2794 (+ (* 33 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 33603#(<= 2826 (+ (* 32 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 33604#(<= 2857 (+ (* 31 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 33605#(<= 2887 (+ (* 30 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 33606#(<= 2916 (+ (* 29 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 33607#(<= 2944 (+ (* 28 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 33608#(<= 2971 (+ (* 27 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 33609#(<= 2997 (+ (* 26 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 33610#(<= 3022 (+ (* 25 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 33611#(<= 3046 (+ (* 24 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 33612#(<= 3069 (+ (* 23 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 33613#(<= 3091 (+ (* 22 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 33614#(<= 3112 (+ (* 21 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 33615#(<= 3132 (+ (* 20 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 33616#(<= 3151 (+ (* 19 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 33617#(<= 3169 (+ (* 18 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 33618#(<= 3186 (+ (* 17 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 33619#(<= 3202 (+ (* 16 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 33620#(<= 3217 (+ (* 15 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 33621#(<= 3231 (+ (* 14 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 33622#(<= 3244 (+ (* 13 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 33623#(<= 3256 (+ (* 12 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 33624#(<= 3267 (+ (* 11 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 33625#(<= 3277 (+ (* 10 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 33626#(<= 3286 (+ (* 9 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 33627#(<= 3294 (+ (* 8 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 33628#(<= 3301 (+ (* 7 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 33629#(<= 3307 (+ (* 6 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 33630#(<= 3312 (+ (* 5 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 33631#(<= 3316 (+ (* 4 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 33632#(<= 3319 (+ (* 3 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 33633#(<= 3321 (+ (* 2 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 33634#(<= 3322 (+ ULTIMATE.start_main_~y~5 ULTIMATE.start_main_~x~5)), 33635#(<= 3322 ULTIMATE.start_main_~x~5), 33636#(<= (+ ULTIMATE.start_main_~y~5 3321) ULTIMATE.start_main_~x~5)] [2018-07-23 13:43:02,169 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 13:43:02,169 INFO L450 AbstractCegarLoop]: Interpolant automaton has 86 states [2018-07-23 13:43:02,169 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 86 interpolants. [2018-07-23 13:43:02,169 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=169, Invalid=7141, Unknown=0, NotChecked=0, Total=7310 [2018-07-23 13:43:02,170 INFO L87 Difference]: Start difference. First operand 171 states and 171 transitions. Second operand 86 states. [2018-07-23 13:43:03,319 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-07-23 13:43:03,319 INFO L93 Difference]: Finished difference Result 175 states and 175 transitions. [2018-07-23 13:43:03,319 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 86 states. [2018-07-23 13:43:03,319 INFO L78 Accepts]: Start accepts. Automaton has 86 states. Word has length 170 [2018-07-23 13:43:03,320 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-07-23 13:43:03,320 INFO L225 Difference]: With dead ends: 175 [2018-07-23 13:43:03,320 INFO L226 Difference]: Without dead ends: 173 [2018-07-23 13:43:03,321 INFO L575 BasicCegarLoop]: 0 DeclaredPredicates, 85 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 84 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.4s TimeCoverageRelationStatistics Valid=169, Invalid=7141, Unknown=0, NotChecked=0, Total=7310 [2018-07-23 13:43:03,321 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 173 states. [2018-07-23 13:43:03,367 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 173 to 173. [2018-07-23 13:43:03,367 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 173 states. [2018-07-23 13:43:03,367 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 173 states to 173 states and 173 transitions. [2018-07-23 13:43:03,367 INFO L78 Accepts]: Start accepts. Automaton has 173 states and 173 transitions. Word has length 170 [2018-07-23 13:43:03,368 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-07-23 13:43:03,368 INFO L471 AbstractCegarLoop]: Abstraction has 173 states and 173 transitions. [2018-07-23 13:43:03,368 INFO L472 AbstractCegarLoop]: Interpolant automaton has 86 states. [2018-07-23 13:43:03,368 INFO L276 IsEmpty]: Start isEmpty. Operand 173 states and 173 transitions. [2018-07-23 13:43:03,368 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 173 [2018-07-23 13:43:03,368 INFO L349 BasicCegarLoop]: Found error trace [2018-07-23 13:43:03,369 INFO L357 BasicCegarLoop]: trace histogram [85, 84, 1, 1, 1] [2018-07-23 13:43:03,369 INFO L414 AbstractCegarLoop]: === Iteration 85 === [ULTIMATE.startErr0AssertViolationASSERT]=== [2018-07-23 13:43:03,369 INFO L82 PathProgramCache]: Analyzing trace with hash 72065205, now seen corresponding path program 84 times [2018-07-23 13:43:03,369 INFO L69 tionRefinementEngine]: Using refinement strategy FixedRefinementStrategy [2018-07-23 13:43:03,483 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-07-23 13:43:04,084 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 13:43:04,084 INFO L309 seRefinementStrategy]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2018-07-23 13:43:04,085 INFO L324 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [86] total 86 [2018-07-23 13:43:04,085 INFO L142 lantAutomatonBuilder]: Constructing canonical interpolant automaton, with selfloop in false state [2018-07-23 13:43:04,085 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-07-23 13:43:04,085 INFO L185 omatonBuilderFactory]: Interpolants [34333#true, 34334#false, 34335#(<= 1 (+ (* 83 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 34336#(<= 83 (+ (* 82 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 34337#(<= 164 (+ (* 81 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 34338#(<= 244 (+ (* 80 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 34339#(<= 323 (+ (* 79 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 34340#(<= 401 (+ (* 78 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 34341#(<= 478 (+ (* 77 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 34342#(<= 554 (+ (* 76 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 34343#(<= 629 (+ (* 75 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 34344#(<= 703 (+ (* 74 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 34345#(<= 776 (+ (* 73 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 34346#(<= 848 (+ (* 72 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 34347#(<= 919 (+ (* 71 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 34348#(<= 989 (+ (* 70 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 34349#(<= 1058 (+ (* 69 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 34350#(<= 1126 (+ (* 68 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 34351#(<= 1193 (+ (* 67 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 34352#(<= 1259 (+ (* 66 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 34353#(<= 1324 (+ (* 65 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 34354#(<= 1388 (+ (* 64 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 34355#(<= 1451 (+ (* 63 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 34356#(<= 1513 (+ (* 62 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 34357#(<= 1574 (+ (* 61 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 34358#(<= 1634 (+ (* 60 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 34359#(<= 1693 (+ (* 59 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 34360#(<= 1751 (+ (* 58 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 34361#(<= 1808 (+ (* 57 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 34362#(<= 1864 (+ (* 56 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 34363#(<= 1919 (+ (* 55 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 34364#(<= 1973 (+ (* 54 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 34365#(<= 2026 (+ (* 53 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 34366#(<= 2078 (+ (* 52 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 34367#(<= 2129 (+ (* 51 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 34368#(<= 2179 (+ (* 50 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 34369#(<= 2228 (+ (* 49 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 34370#(<= 2276 (+ (* 48 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 34371#(<= 2323 (+ (* 47 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 34372#(<= 2369 (+ (* 46 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 34373#(<= 2414 (+ (* 45 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 34374#(<= 2458 (+ (* 44 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 34375#(<= 2501 (+ (* 43 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 34376#(<= 2543 (+ (* 42 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 34377#(<= 2584 (+ (* 41 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 34378#(<= 2624 (+ (* 40 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 34379#(<= 2663 (+ (* 39 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 34380#(<= 2701 (+ (* 38 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 34381#(<= 2738 (+ (* 37 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 34382#(<= 2774 (+ (* 36 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 34383#(<= 2809 (+ (* 35 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 34384#(<= 2843 (+ (* 34 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 34385#(<= 2876 (+ (* 33 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 34386#(<= 2908 (+ (* 32 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 34387#(<= 2939 (+ (* 31 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 34388#(<= 2969 (+ (* 30 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 34389#(<= 2998 (+ (* 29 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 34390#(<= 3026 (+ (* 28 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 34391#(<= 3053 (+ (* 27 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 34392#(<= 3079 (+ (* 26 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 34393#(<= 3104 (+ (* 25 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 34394#(<= 3128 (+ (* 24 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 34395#(<= 3151 (+ (* 23 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 34396#(<= 3173 (+ (* 22 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 34397#(<= 3194 (+ (* 21 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 34398#(<= 3214 (+ (* 20 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 34399#(<= 3233 (+ (* 19 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 34400#(<= 3251 (+ (* 18 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 34401#(<= 3268 (+ (* 17 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 34402#(<= 3284 (+ (* 16 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 34403#(<= 3299 (+ (* 15 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 34404#(<= 3313 (+ (* 14 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 34405#(<= 3326 (+ (* 13 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 34406#(<= 3338 (+ (* 12 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 34407#(<= 3349 (+ (* 11 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 34408#(<= 3359 (+ (* 10 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 34409#(<= 3368 (+ (* 9 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 34410#(<= 3376 (+ (* 8 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 34411#(<= 3383 (+ (* 7 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 34412#(<= 3389 (+ (* 6 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 34413#(<= 3394 (+ (* 5 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 34414#(<= 3398 (+ (* 4 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 34415#(<= 3401 (+ (* 3 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 34416#(<= 3403 (+ (* 2 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 34417#(<= 3404 (+ ULTIMATE.start_main_~y~5 ULTIMATE.start_main_~x~5)), 34418#(<= 3404 ULTIMATE.start_main_~x~5), 34419#(<= (+ ULTIMATE.start_main_~y~5 3403) ULTIMATE.start_main_~x~5)] [2018-07-23 13:43:04,086 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 13:43:04,086 INFO L450 AbstractCegarLoop]: Interpolant automaton has 87 states [2018-07-23 13:43:04,086 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 87 interpolants. [2018-07-23 13:43:04,087 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=171, Invalid=7311, Unknown=0, NotChecked=0, Total=7482 [2018-07-23 13:43:04,087 INFO L87 Difference]: Start difference. First operand 173 states and 173 transitions. Second operand 87 states. [2018-07-23 13:43:05,341 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-07-23 13:43:05,341 INFO L93 Difference]: Finished difference Result 177 states and 177 transitions. [2018-07-23 13:43:05,341 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 87 states. [2018-07-23 13:43:05,342 INFO L78 Accepts]: Start accepts. Automaton has 87 states. Word has length 172 [2018-07-23 13:43:05,342 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-07-23 13:43:05,342 INFO L225 Difference]: With dead ends: 177 [2018-07-23 13:43:05,342 INFO L226 Difference]: Without dead ends: 175 [2018-07-23 13:43:05,343 INFO L575 BasicCegarLoop]: 0 DeclaredPredicates, 86 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 85 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.4s TimeCoverageRelationStatistics Valid=171, Invalid=7311, Unknown=0, NotChecked=0, Total=7482 [2018-07-23 13:43:05,343 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 175 states. [2018-07-23 13:43:05,413 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 175 to 175. [2018-07-23 13:43:05,413 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 175 states. [2018-07-23 13:43:05,413 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 175 states to 175 states and 175 transitions. [2018-07-23 13:43:05,414 INFO L78 Accepts]: Start accepts. Automaton has 175 states and 175 transitions. Word has length 172 [2018-07-23 13:43:05,414 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-07-23 13:43:05,414 INFO L471 AbstractCegarLoop]: Abstraction has 175 states and 175 transitions. [2018-07-23 13:43:05,414 INFO L472 AbstractCegarLoop]: Interpolant automaton has 87 states. [2018-07-23 13:43:05,414 INFO L276 IsEmpty]: Start isEmpty. Operand 175 states and 175 transitions. [2018-07-23 13:43:05,415 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 175 [2018-07-23 13:43:05,415 INFO L349 BasicCegarLoop]: Found error trace [2018-07-23 13:43:05,415 INFO L357 BasicCegarLoop]: trace histogram [86, 85, 1, 1, 1] [2018-07-23 13:43:05,415 INFO L414 AbstractCegarLoop]: === Iteration 86 === [ULTIMATE.startErr0AssertViolationASSERT]=== [2018-07-23 13:43:05,416 INFO L82 PathProgramCache]: Analyzing trace with hash 535118257, now seen corresponding path program 85 times [2018-07-23 13:43:05,416 INFO L69 tionRefinementEngine]: Using refinement strategy FixedRefinementStrategy [2018-07-23 13:43:05,544 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-07-23 13:43:06,211 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 13:43:06,212 INFO L309 seRefinementStrategy]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2018-07-23 13:43:06,212 INFO L324 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [87] total 87 [2018-07-23 13:43:06,212 INFO L142 lantAutomatonBuilder]: Constructing canonical interpolant automaton, with selfloop in false state [2018-07-23 13:43:06,212 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-07-23 13:43:06,213 INFO L185 omatonBuilderFactory]: Interpolants [35200#(<= 3442 (+ (* 10 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 35201#(<= 3451 (+ (* 9 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 35202#(<= 3459 (+ (* 8 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 35203#(<= 3466 (+ (* 7 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 35204#(<= 3472 (+ (* 6 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 35205#(<= 3477 (+ (* 5 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 35206#(<= 3481 (+ (* 4 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 35207#(<= 3484 (+ (* 3 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 35208#(<= 3486 (+ (* 2 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 35209#(<= 3487 (+ ULTIMATE.start_main_~y~5 ULTIMATE.start_main_~x~5)), 35210#(<= 3487 ULTIMATE.start_main_~x~5), 35211#(<= (+ ULTIMATE.start_main_~y~5 3486) ULTIMATE.start_main_~x~5), 35124#true, 35125#false, 35126#(<= 1 (+ (* 84 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 35127#(<= 84 (+ (* 83 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 35128#(<= 166 (+ (* 82 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 35129#(<= 247 (+ (* 81 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 35130#(<= 327 (+ (* 80 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 35131#(<= 406 (+ (* 79 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 35132#(<= 484 (+ (* 78 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 35133#(<= 561 (+ (* 77 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 35134#(<= 637 (+ (* 76 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 35135#(<= 712 (+ (* 75 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 35136#(<= 786 (+ (* 74 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 35137#(<= 859 (+ (* 73 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 35138#(<= 931 (+ (* 72 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 35139#(<= 1002 (+ (* 71 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 35140#(<= 1072 (+ (* 70 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 35141#(<= 1141 (+ (* 69 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 35142#(<= 1209 (+ (* 68 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 35143#(<= 1276 (+ (* 67 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 35144#(<= 1342 (+ (* 66 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 35145#(<= 1407 (+ (* 65 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 35146#(<= 1471 (+ (* 64 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 35147#(<= 1534 (+ (* 63 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 35148#(<= 1596 (+ (* 62 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 35149#(<= 1657 (+ (* 61 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 35150#(<= 1717 (+ (* 60 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 35151#(<= 1776 (+ (* 59 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 35152#(<= 1834 (+ (* 58 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 35153#(<= 1891 (+ (* 57 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 35154#(<= 1947 (+ (* 56 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 35155#(<= 2002 (+ (* 55 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 35156#(<= 2056 (+ (* 54 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 35157#(<= 2109 (+ (* 53 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 35158#(<= 2161 (+ (* 52 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 35159#(<= 2212 (+ (* 51 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 35160#(<= 2262 (+ (* 50 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 35161#(<= 2311 (+ (* 49 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 35162#(<= 2359 (+ (* 48 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 35163#(<= 2406 (+ (* 47 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 35164#(<= 2452 (+ (* 46 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 35165#(<= 2497 (+ (* 45 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 35166#(<= 2541 (+ (* 44 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 35167#(<= 2584 (+ (* 43 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 35168#(<= 2626 (+ (* 42 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 35169#(<= 2667 (+ (* 41 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 35170#(<= 2707 (+ (* 40 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 35171#(<= 2746 (+ (* 39 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 35172#(<= 2784 (+ (* 38 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 35173#(<= 2821 (+ (* 37 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 35174#(<= 2857 (+ (* 36 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 35175#(<= 2892 (+ (* 35 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 35176#(<= 2926 (+ (* 34 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 35177#(<= 2959 (+ (* 33 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 35178#(<= 2991 (+ (* 32 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 35179#(<= 3022 (+ (* 31 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 35180#(<= 3052 (+ (* 30 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 35181#(<= 3081 (+ (* 29 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 35182#(<= 3109 (+ (* 28 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 35183#(<= 3136 (+ (* 27 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 35184#(<= 3162 (+ (* 26 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 35185#(<= 3187 (+ (* 25 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 35186#(<= 3211 (+ (* 24 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 35187#(<= 3234 (+ (* 23 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 35188#(<= 3256 (+ (* 22 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 35189#(<= 3277 (+ (* 21 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 35190#(<= 3297 (+ (* 20 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 35191#(<= 3316 (+ (* 19 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 35192#(<= 3334 (+ (* 18 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 35193#(<= 3351 (+ (* 17 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 35194#(<= 3367 (+ (* 16 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 35195#(<= 3382 (+ (* 15 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 35196#(<= 3396 (+ (* 14 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 35197#(<= 3409 (+ (* 13 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 35198#(<= 3421 (+ (* 12 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 35199#(<= 3432 (+ (* 11 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5))] [2018-07-23 13:43:06,213 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 13:43:06,214 INFO L450 AbstractCegarLoop]: Interpolant automaton has 88 states [2018-07-23 13:43:06,214 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 88 interpolants. [2018-07-23 13:43:06,214 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=173, Invalid=7483, Unknown=0, NotChecked=0, Total=7656 [2018-07-23 13:43:06,215 INFO L87 Difference]: Start difference. First operand 175 states and 175 transitions. Second operand 88 states. [2018-07-23 13:43:07,414 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-07-23 13:43:07,414 INFO L93 Difference]: Finished difference Result 179 states and 179 transitions. [2018-07-23 13:43:07,414 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 88 states. [2018-07-23 13:43:07,415 INFO L78 Accepts]: Start accepts. Automaton has 88 states. Word has length 174 [2018-07-23 13:43:07,415 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-07-23 13:43:07,416 INFO L225 Difference]: With dead ends: 179 [2018-07-23 13:43:07,416 INFO L226 Difference]: Without dead ends: 177 [2018-07-23 13:43:07,416 INFO L575 BasicCegarLoop]: 0 DeclaredPredicates, 87 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 86 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.5s TimeCoverageRelationStatistics Valid=173, Invalid=7483, Unknown=0, NotChecked=0, Total=7656 [2018-07-23 13:43:07,417 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 177 states. [2018-07-23 13:43:07,473 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 177 to 177. [2018-07-23 13:43:07,473 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 177 states. [2018-07-23 13:43:07,473 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 177 states to 177 states and 177 transitions. [2018-07-23 13:43:07,474 INFO L78 Accepts]: Start accepts. Automaton has 177 states and 177 transitions. Word has length 174 [2018-07-23 13:43:07,474 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-07-23 13:43:07,474 INFO L471 AbstractCegarLoop]: Abstraction has 177 states and 177 transitions. [2018-07-23 13:43:07,474 INFO L472 AbstractCegarLoop]: Interpolant automaton has 88 states. [2018-07-23 13:43:07,474 INFO L276 IsEmpty]: Start isEmpty. Operand 177 states and 177 transitions. [2018-07-23 13:43:07,475 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 177 [2018-07-23 13:43:07,475 INFO L349 BasicCegarLoop]: Found error trace [2018-07-23 13:43:07,475 INFO L357 BasicCegarLoop]: trace histogram [87, 86, 1, 1, 1] [2018-07-23 13:43:07,475 INFO L414 AbstractCegarLoop]: === Iteration 87 === [ULTIMATE.startErr0AssertViolationASSERT]=== [2018-07-23 13:43:07,476 INFO L82 PathProgramCache]: Analyzing trace with hash -1147497555, now seen corresponding path program 86 times [2018-07-23 13:43:07,476 INFO L69 tionRefinementEngine]: Using refinement strategy FixedRefinementStrategy [2018-07-23 13:43:07,607 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-07-23 13:43:08,211 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 13:43:08,212 INFO L309 seRefinementStrategy]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2018-07-23 13:43:08,212 INFO L324 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [88] total 88 [2018-07-23 13:43:08,212 INFO L142 lantAutomatonBuilder]: Constructing canonical interpolant automaton, with selfloop in false state [2018-07-23 13:43:08,212 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-07-23 13:43:08,213 INFO L185 omatonBuilderFactory]: Interpolants [35968#(<= 2668 (+ (* 43 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 35969#(<= 2710 (+ (* 42 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 35970#(<= 2751 (+ (* 41 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 35971#(<= 2791 (+ (* 40 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 35972#(<= 2830 (+ (* 39 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 35973#(<= 2868 (+ (* 38 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 35974#(<= 2905 (+ (* 37 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 35975#(<= 2941 (+ (* 36 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 35976#(<= 2976 (+ (* 35 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 35977#(<= 3010 (+ (* 34 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 35978#(<= 3043 (+ (* 33 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 35979#(<= 3075 (+ (* 32 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 35980#(<= 3106 (+ (* 31 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 35981#(<= 3136 (+ (* 30 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 35982#(<= 3165 (+ (* 29 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 35983#(<= 3193 (+ (* 28 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 35984#(<= 3220 (+ (* 27 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 35985#(<= 3246 (+ (* 26 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 35986#(<= 3271 (+ (* 25 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 35987#(<= 3295 (+ (* 24 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 35988#(<= 3318 (+ (* 23 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 35989#(<= 3340 (+ (* 22 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 35990#(<= 3361 (+ (* 21 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 35991#(<= 3381 (+ (* 20 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 35992#(<= 3400 (+ (* 19 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 35993#(<= 3418 (+ (* 18 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 35994#(<= 3435 (+ (* 17 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 35995#(<= 3451 (+ (* 16 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 35996#(<= 3466 (+ (* 15 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 35997#(<= 3480 (+ (* 14 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 35998#(<= 3493 (+ (* 13 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 35999#(<= 3505 (+ (* 12 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 36000#(<= 3516 (+ (* 11 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 36001#(<= 3526 (+ (* 10 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 36002#(<= 3535 (+ (* 9 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 36003#(<= 3543 (+ (* 8 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 36004#(<= 3550 (+ (* 7 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 36005#(<= 3556 (+ (* 6 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 36006#(<= 3561 (+ (* 5 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 36007#(<= 3565 (+ (* 4 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 36008#(<= 3568 (+ (* 3 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 36009#(<= 3570 (+ (* 2 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 36010#(<= 3571 (+ ULTIMATE.start_main_~y~5 ULTIMATE.start_main_~x~5)), 36011#(<= 3571 ULTIMATE.start_main_~x~5), 36012#(<= (+ ULTIMATE.start_main_~y~5 3570) ULTIMATE.start_main_~x~5), 35924#true, 35925#false, 35926#(<= 1 (+ (* 85 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 35927#(<= 85 (+ (* 84 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 35928#(<= 168 (+ (* 83 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 35929#(<= 250 (+ (* 82 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 35930#(<= 331 (+ (* 81 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 35931#(<= 411 (+ (* 80 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 35932#(<= 490 (+ (* 79 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 35933#(<= 568 (+ (* 78 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 35934#(<= 645 (+ (* 77 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 35935#(<= 721 (+ (* 76 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 35936#(<= 796 (+ (* 75 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 35937#(<= 870 (+ (* 74 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 35938#(<= 943 (+ (* 73 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 35939#(<= 1015 (+ (* 72 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 35940#(<= 1086 (+ (* 71 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 35941#(<= 1156 (+ (* 70 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 35942#(<= 1225 (+ (* 69 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 35943#(<= 1293 (+ (* 68 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 35944#(<= 1360 (+ (* 67 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 35945#(<= 1426 (+ (* 66 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 35946#(<= 1491 (+ (* 65 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 35947#(<= 1555 (+ (* 64 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 35948#(<= 1618 (+ (* 63 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 35949#(<= 1680 (+ (* 62 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 35950#(<= 1741 (+ (* 61 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 35951#(<= 1801 (+ (* 60 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 35952#(<= 1860 (+ (* 59 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 35953#(<= 1918 (+ (* 58 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 35954#(<= 1975 (+ (* 57 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 35955#(<= 2031 (+ (* 56 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 35956#(<= 2086 (+ (* 55 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 35957#(<= 2140 (+ (* 54 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 35958#(<= 2193 (+ (* 53 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 35959#(<= 2245 (+ (* 52 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 35960#(<= 2296 (+ (* 51 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 35961#(<= 2346 (+ (* 50 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 35962#(<= 2395 (+ (* 49 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 35963#(<= 2443 (+ (* 48 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 35964#(<= 2490 (+ (* 47 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 35965#(<= 2536 (+ (* 46 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 35966#(<= 2581 (+ (* 45 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 35967#(<= 2625 (+ (* 44 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5))] [2018-07-23 13:43:08,213 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 13:43:08,213 INFO L450 AbstractCegarLoop]: Interpolant automaton has 89 states [2018-07-23 13:43:08,214 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 89 interpolants. [2018-07-23 13:43:08,214 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=175, Invalid=7657, Unknown=0, NotChecked=0, Total=7832 [2018-07-23 13:43:08,215 INFO L87 Difference]: Start difference. First operand 177 states and 177 transitions. Second operand 89 states. [2018-07-23 13:43:09,431 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-07-23 13:43:09,431 INFO L93 Difference]: Finished difference Result 181 states and 181 transitions. [2018-07-23 13:43:09,431 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 89 states. [2018-07-23 13:43:09,431 INFO L78 Accepts]: Start accepts. Automaton has 89 states. Word has length 176 [2018-07-23 13:43:09,432 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-07-23 13:43:09,432 INFO L225 Difference]: With dead ends: 181 [2018-07-23 13:43:09,432 INFO L226 Difference]: Without dead ends: 179 [2018-07-23 13:43:09,433 INFO L575 BasicCegarLoop]: 0 DeclaredPredicates, 88 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 87 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.4s TimeCoverageRelationStatistics Valid=175, Invalid=7657, Unknown=0, NotChecked=0, Total=7832 [2018-07-23 13:43:09,433 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 179 states. [2018-07-23 13:43:09,488 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 179 to 179. [2018-07-23 13:43:09,489 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 179 states. [2018-07-23 13:43:09,489 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 179 states to 179 states and 179 transitions. [2018-07-23 13:43:09,489 INFO L78 Accepts]: Start accepts. Automaton has 179 states and 179 transitions. Word has length 176 [2018-07-23 13:43:09,489 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-07-23 13:43:09,489 INFO L471 AbstractCegarLoop]: Abstraction has 179 states and 179 transitions. [2018-07-23 13:43:09,489 INFO L472 AbstractCegarLoop]: Interpolant automaton has 89 states. [2018-07-23 13:43:09,489 INFO L276 IsEmpty]: Start isEmpty. Operand 179 states and 179 transitions. [2018-07-23 13:43:09,490 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 179 [2018-07-23 13:43:09,490 INFO L349 BasicCegarLoop]: Found error trace [2018-07-23 13:43:09,490 INFO L357 BasicCegarLoop]: trace histogram [88, 87, 1, 1, 1] [2018-07-23 13:43:09,490 INFO L414 AbstractCegarLoop]: === Iteration 88 === [ULTIMATE.startErr0AssertViolationASSERT]=== [2018-07-23 13:43:09,490 INFO L82 PathProgramCache]: Analyzing trace with hash 1061377705, now seen corresponding path program 87 times [2018-07-23 13:43:09,490 INFO L69 tionRefinementEngine]: Using refinement strategy FixedRefinementStrategy [2018-07-23 13:43:09,620 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-07-23 13:43:10,291 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 13:43:10,292 INFO L309 seRefinementStrategy]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2018-07-23 13:43:10,292 INFO L324 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [89] total 89 [2018-07-23 13:43:10,292 INFO L142 lantAutomatonBuilder]: Constructing canonical interpolant automaton, with selfloop in false state [2018-07-23 13:43:10,292 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-07-23 13:43:10,292 INFO L185 omatonBuilderFactory]: Interpolants [36736#(<= 86 (+ (* 85 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 36737#(<= 170 (+ (* 84 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 36738#(<= 253 (+ (* 83 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 36739#(<= 335 (+ (* 82 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 36740#(<= 416 (+ (* 81 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 36741#(<= 496 (+ (* 80 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 36742#(<= 575 (+ (* 79 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 36743#(<= 653 (+ (* 78 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 36744#(<= 730 (+ (* 77 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 36745#(<= 806 (+ (* 76 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 36746#(<= 881 (+ (* 75 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 36747#(<= 955 (+ (* 74 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 36748#(<= 1028 (+ (* 73 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 36749#(<= 1100 (+ (* 72 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 36750#(<= 1171 (+ (* 71 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 36751#(<= 1241 (+ (* 70 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 36752#(<= 1310 (+ (* 69 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 36753#(<= 1378 (+ (* 68 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 36754#(<= 1445 (+ (* 67 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 36755#(<= 1511 (+ (* 66 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 36756#(<= 1576 (+ (* 65 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 36757#(<= 1640 (+ (* 64 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 36758#(<= 1703 (+ (* 63 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 36759#(<= 1765 (+ (* 62 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 36760#(<= 1826 (+ (* 61 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 36761#(<= 1886 (+ (* 60 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 36762#(<= 1945 (+ (* 59 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 36763#(<= 2003 (+ (* 58 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 36764#(<= 2060 (+ (* 57 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 36765#(<= 2116 (+ (* 56 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 36766#(<= 2171 (+ (* 55 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 36767#(<= 2225 (+ (* 54 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 36768#(<= 2278 (+ (* 53 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 36769#(<= 2330 (+ (* 52 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 36770#(<= 2381 (+ (* 51 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 36771#(<= 2431 (+ (* 50 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 36772#(<= 2480 (+ (* 49 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 36773#(<= 2528 (+ (* 48 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 36774#(<= 2575 (+ (* 47 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 36775#(<= 2621 (+ (* 46 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 36776#(<= 2666 (+ (* 45 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 36777#(<= 2710 (+ (* 44 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 36778#(<= 2753 (+ (* 43 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 36779#(<= 2795 (+ (* 42 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 36780#(<= 2836 (+ (* 41 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 36781#(<= 2876 (+ (* 40 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 36782#(<= 2915 (+ (* 39 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 36783#(<= 2953 (+ (* 38 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 36784#(<= 2990 (+ (* 37 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 36785#(<= 3026 (+ (* 36 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 36786#(<= 3061 (+ (* 35 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 36787#(<= 3095 (+ (* 34 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 36788#(<= 3128 (+ (* 33 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 36789#(<= 3160 (+ (* 32 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 36790#(<= 3191 (+ (* 31 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 36791#(<= 3221 (+ (* 30 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 36792#(<= 3250 (+ (* 29 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 36793#(<= 3278 (+ (* 28 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 36794#(<= 3305 (+ (* 27 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 36795#(<= 3331 (+ (* 26 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 36796#(<= 3356 (+ (* 25 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 36797#(<= 3380 (+ (* 24 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 36798#(<= 3403 (+ (* 23 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 36799#(<= 3425 (+ (* 22 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 36800#(<= 3446 (+ (* 21 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 36801#(<= 3466 (+ (* 20 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 36802#(<= 3485 (+ (* 19 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 36803#(<= 3503 (+ (* 18 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 36804#(<= 3520 (+ (* 17 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 36805#(<= 3536 (+ (* 16 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 36806#(<= 3551 (+ (* 15 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 36807#(<= 3565 (+ (* 14 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 36808#(<= 3578 (+ (* 13 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 36809#(<= 3590 (+ (* 12 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 36810#(<= 3601 (+ (* 11 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 36811#(<= 3611 (+ (* 10 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 36812#(<= 3620 (+ (* 9 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 36813#(<= 3628 (+ (* 8 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 36814#(<= 3635 (+ (* 7 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 36815#(<= 3641 (+ (* 6 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 36816#(<= 3646 (+ (* 5 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 36817#(<= 3650 (+ (* 4 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 36818#(<= 3653 (+ (* 3 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 36819#(<= 3655 (+ (* 2 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 36820#(<= 3656 (+ ULTIMATE.start_main_~y~5 ULTIMATE.start_main_~x~5)), 36821#(<= 3656 ULTIMATE.start_main_~x~5), 36822#(<= (+ ULTIMATE.start_main_~y~5 3655) ULTIMATE.start_main_~x~5), 36733#true, 36734#false, 36735#(<= 1 (+ (* 86 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5))] [2018-07-23 13:43:10,293 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 13:43:10,293 INFO L450 AbstractCegarLoop]: Interpolant automaton has 90 states [2018-07-23 13:43:10,293 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 90 interpolants. [2018-07-23 13:43:10,293 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=177, Invalid=7833, Unknown=0, NotChecked=0, Total=8010 [2018-07-23 13:43:10,294 INFO L87 Difference]: Start difference. First operand 179 states and 179 transitions. Second operand 90 states. [2018-07-23 13:43:11,482 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-07-23 13:43:11,482 INFO L93 Difference]: Finished difference Result 183 states and 183 transitions. [2018-07-23 13:43:11,482 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 90 states. [2018-07-23 13:43:11,482 INFO L78 Accepts]: Start accepts. Automaton has 90 states. Word has length 178 [2018-07-23 13:43:11,482 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-07-23 13:43:11,483 INFO L225 Difference]: With dead ends: 183 [2018-07-23 13:43:11,483 INFO L226 Difference]: Without dead ends: 181 [2018-07-23 13:43:11,484 INFO L575 BasicCegarLoop]: 0 DeclaredPredicates, 89 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 88 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.4s TimeCoverageRelationStatistics Valid=177, Invalid=7833, Unknown=0, NotChecked=0, Total=8010 [2018-07-23 13:43:11,484 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 181 states. [2018-07-23 13:43:11,537 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 181 to 181. [2018-07-23 13:43:11,537 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 181 states. [2018-07-23 13:43:11,538 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 181 states to 181 states and 181 transitions. [2018-07-23 13:43:11,538 INFO L78 Accepts]: Start accepts. Automaton has 181 states and 181 transitions. Word has length 178 [2018-07-23 13:43:11,538 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-07-23 13:43:11,538 INFO L471 AbstractCegarLoop]: Abstraction has 181 states and 181 transitions. [2018-07-23 13:43:11,538 INFO L472 AbstractCegarLoop]: Interpolant automaton has 90 states. [2018-07-23 13:43:11,538 INFO L276 IsEmpty]: Start isEmpty. Operand 181 states and 181 transitions. [2018-07-23 13:43:11,539 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 181 [2018-07-23 13:43:11,539 INFO L349 BasicCegarLoop]: Found error trace [2018-07-23 13:43:11,539 INFO L357 BasicCegarLoop]: trace histogram [89, 88, 1, 1, 1] [2018-07-23 13:43:11,539 INFO L414 AbstractCegarLoop]: === Iteration 89 === [ULTIMATE.startErr0AssertViolationASSERT]=== [2018-07-23 13:43:11,539 INFO L82 PathProgramCache]: Analyzing trace with hash 2076658341, now seen corresponding path program 88 times [2018-07-23 13:43:11,539 INFO L69 tionRefinementEngine]: Using refinement strategy FixedRefinementStrategy [2018-07-23 13:43:11,684 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-07-23 13:43:12,350 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 13:43:12,350 INFO L309 seRefinementStrategy]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2018-07-23 13:43:12,351 INFO L324 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [90] total 90 [2018-07-23 13:43:12,351 INFO L142 lantAutomatonBuilder]: Constructing canonical interpolant automaton, with selfloop in false state [2018-07-23 13:43:12,351 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-07-23 13:43:12,351 INFO L185 omatonBuilderFactory]: Interpolants [37632#(<= 3714 (+ (* 8 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 37633#(<= 3721 (+ (* 7 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 37634#(<= 3727 (+ (* 6 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 37635#(<= 3732 (+ (* 5 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 37636#(<= 3736 (+ (* 4 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 37637#(<= 3739 (+ (* 3 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 37638#(<= 3741 (+ (* 2 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 37639#(<= 3742 (+ ULTIMATE.start_main_~y~5 ULTIMATE.start_main_~x~5)), 37640#(<= 3742 ULTIMATE.start_main_~x~5), 37641#(<= (+ ULTIMATE.start_main_~y~5 3741) ULTIMATE.start_main_~x~5), 37551#true, 37552#false, 37553#(<= 1 (+ (* 87 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 37554#(<= 87 (+ (* 86 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 37555#(<= 172 (+ (* 85 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 37556#(<= 256 (+ (* 84 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 37557#(<= 339 (+ (* 83 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 37558#(<= 421 (+ (* 82 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 37559#(<= 502 (+ (* 81 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 37560#(<= 582 (+ (* 80 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 37561#(<= 661 (+ (* 79 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 37562#(<= 739 (+ (* 78 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 37563#(<= 816 (+ (* 77 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 37564#(<= 892 (+ (* 76 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 37565#(<= 967 (+ (* 75 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 37566#(<= 1041 (+ (* 74 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 37567#(<= 1114 (+ (* 73 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 37568#(<= 1186 (+ (* 72 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 37569#(<= 1257 (+ (* 71 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 37570#(<= 1327 (+ (* 70 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 37571#(<= 1396 (+ (* 69 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 37572#(<= 1464 (+ (* 68 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 37573#(<= 1531 (+ (* 67 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 37574#(<= 1597 (+ (* 66 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 37575#(<= 1662 (+ (* 65 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 37576#(<= 1726 (+ (* 64 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 37577#(<= 1789 (+ (* 63 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 37578#(<= 1851 (+ (* 62 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 37579#(<= 1912 (+ (* 61 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 37580#(<= 1972 (+ (* 60 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 37581#(<= 2031 (+ (* 59 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 37582#(<= 2089 (+ (* 58 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 37583#(<= 2146 (+ (* 57 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 37584#(<= 2202 (+ (* 56 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 37585#(<= 2257 (+ (* 55 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 37586#(<= 2311 (+ (* 54 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 37587#(<= 2364 (+ (* 53 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 37588#(<= 2416 (+ (* 52 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 37589#(<= 2467 (+ (* 51 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 37590#(<= 2517 (+ (* 50 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 37591#(<= 2566 (+ (* 49 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 37592#(<= 2614 (+ (* 48 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 37593#(<= 2661 (+ (* 47 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 37594#(<= 2707 (+ (* 46 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 37595#(<= 2752 (+ (* 45 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 37596#(<= 2796 (+ (* 44 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 37597#(<= 2839 (+ (* 43 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 37598#(<= 2881 (+ (* 42 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 37599#(<= 2922 (+ (* 41 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 37600#(<= 2962 (+ (* 40 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 37601#(<= 3001 (+ (* 39 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 37602#(<= 3039 (+ (* 38 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 37603#(<= 3076 (+ (* 37 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 37604#(<= 3112 (+ (* 36 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 37605#(<= 3147 (+ (* 35 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 37606#(<= 3181 (+ (* 34 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 37607#(<= 3214 (+ (* 33 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 37608#(<= 3246 (+ (* 32 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 37609#(<= 3277 (+ (* 31 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 37610#(<= 3307 (+ (* 30 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 37611#(<= 3336 (+ (* 29 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 37612#(<= 3364 (+ (* 28 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 37613#(<= 3391 (+ (* 27 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 37614#(<= 3417 (+ (* 26 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 37615#(<= 3442 (+ (* 25 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 37616#(<= 3466 (+ (* 24 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 37617#(<= 3489 (+ (* 23 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 37618#(<= 3511 (+ (* 22 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 37619#(<= 3532 (+ (* 21 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 37620#(<= 3552 (+ (* 20 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 37621#(<= 3571 (+ (* 19 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 37622#(<= 3589 (+ (* 18 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 37623#(<= 3606 (+ (* 17 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 37624#(<= 3622 (+ (* 16 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 37625#(<= 3637 (+ (* 15 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 37626#(<= 3651 (+ (* 14 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 37627#(<= 3664 (+ (* 13 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 37628#(<= 3676 (+ (* 12 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 37629#(<= 3687 (+ (* 11 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 37630#(<= 3697 (+ (* 10 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 37631#(<= 3706 (+ (* 9 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5))] [2018-07-23 13:43:12,352 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 13:43:12,352 INFO L450 AbstractCegarLoop]: Interpolant automaton has 91 states [2018-07-23 13:43:12,352 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 91 interpolants. [2018-07-23 13:43:12,353 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=179, Invalid=8011, Unknown=0, NotChecked=0, Total=8190 [2018-07-23 13:43:12,353 INFO L87 Difference]: Start difference. First operand 181 states and 181 transitions. Second operand 91 states. [2018-07-23 13:43:13,580 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-07-23 13:43:13,580 INFO L93 Difference]: Finished difference Result 185 states and 185 transitions. [2018-07-23 13:43:13,580 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 91 states. [2018-07-23 13:43:13,581 INFO L78 Accepts]: Start accepts. Automaton has 91 states. Word has length 180 [2018-07-23 13:43:13,581 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-07-23 13:43:13,582 INFO L225 Difference]: With dead ends: 185 [2018-07-23 13:43:13,582 INFO L226 Difference]: Without dead ends: 183 [2018-07-23 13:43:13,582 INFO L575 BasicCegarLoop]: 0 DeclaredPredicates, 90 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 89 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.4s TimeCoverageRelationStatistics Valid=179, Invalid=8011, Unknown=0, NotChecked=0, Total=8190 [2018-07-23 13:43:13,582 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 183 states. [2018-07-23 13:43:13,639 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 183 to 183. [2018-07-23 13:43:13,639 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 183 states. [2018-07-23 13:43:13,639 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 183 states to 183 states and 183 transitions. [2018-07-23 13:43:13,639 INFO L78 Accepts]: Start accepts. Automaton has 183 states and 183 transitions. Word has length 180 [2018-07-23 13:43:13,639 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-07-23 13:43:13,640 INFO L471 AbstractCegarLoop]: Abstraction has 183 states and 183 transitions. [2018-07-23 13:43:13,640 INFO L472 AbstractCegarLoop]: Interpolant automaton has 91 states. [2018-07-23 13:43:13,640 INFO L276 IsEmpty]: Start isEmpty. Operand 183 states and 183 transitions. [2018-07-23 13:43:13,640 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 183 [2018-07-23 13:43:13,640 INFO L349 BasicCegarLoop]: Found error trace [2018-07-23 13:43:13,641 INFO L357 BasicCegarLoop]: trace histogram [90, 89, 1, 1, 1] [2018-07-23 13:43:13,641 INFO L414 AbstractCegarLoop]: === Iteration 90 === [ULTIMATE.startErr0AssertViolationASSERT]=== [2018-07-23 13:43:13,641 INFO L82 PathProgramCache]: Analyzing trace with hash -1491193951, now seen corresponding path program 89 times [2018-07-23 13:43:13,641 INFO L69 tionRefinementEngine]: Using refinement strategy FixedRefinementStrategy [2018-07-23 13:43:13,799 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-07-23 13:43:14,497 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 13:43:14,498 INFO L309 seRefinementStrategy]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2018-07-23 13:43:14,498 INFO L324 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [91] total 91 [2018-07-23 13:43:14,498 INFO L142 lantAutomatonBuilder]: Constructing canonical interpolant automaton, with selfloop in false state [2018-07-23 13:43:14,498 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-07-23 13:43:14,499 INFO L185 omatonBuilderFactory]: Interpolants [38400#(<= 1551 (+ (* 68 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 38401#(<= 1618 (+ (* 67 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 38402#(<= 1684 (+ (* 66 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 38403#(<= 1749 (+ (* 65 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 38404#(<= 1813 (+ (* 64 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 38405#(<= 1876 (+ (* 63 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 38406#(<= 1938 (+ (* 62 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 38407#(<= 1999 (+ (* 61 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 38408#(<= 2059 (+ (* 60 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 38409#(<= 2118 (+ (* 59 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 38410#(<= 2176 (+ (* 58 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 38411#(<= 2233 (+ (* 57 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 38412#(<= 2289 (+ (* 56 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 38413#(<= 2344 (+ (* 55 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 38414#(<= 2398 (+ (* 54 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 38415#(<= 2451 (+ (* 53 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 38416#(<= 2503 (+ (* 52 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 38417#(<= 2554 (+ (* 51 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 38418#(<= 2604 (+ (* 50 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 38419#(<= 2653 (+ (* 49 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 38420#(<= 2701 (+ (* 48 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 38421#(<= 2748 (+ (* 47 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 38422#(<= 2794 (+ (* 46 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 38423#(<= 2839 (+ (* 45 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 38424#(<= 2883 (+ (* 44 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 38425#(<= 2926 (+ (* 43 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 38426#(<= 2968 (+ (* 42 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 38427#(<= 3009 (+ (* 41 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 38428#(<= 3049 (+ (* 40 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 38429#(<= 3088 (+ (* 39 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 38430#(<= 3126 (+ (* 38 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 38431#(<= 3163 (+ (* 37 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 38432#(<= 3199 (+ (* 36 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 38433#(<= 3234 (+ (* 35 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 38434#(<= 3268 (+ (* 34 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 38435#(<= 3301 (+ (* 33 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 38436#(<= 3333 (+ (* 32 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 38437#(<= 3364 (+ (* 31 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 38438#(<= 3394 (+ (* 30 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 38439#(<= 3423 (+ (* 29 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 38440#(<= 3451 (+ (* 28 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 38441#(<= 3478 (+ (* 27 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 38442#(<= 3504 (+ (* 26 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 38443#(<= 3529 (+ (* 25 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 38444#(<= 3553 (+ (* 24 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 38445#(<= 3576 (+ (* 23 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 38446#(<= 3598 (+ (* 22 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 38447#(<= 3619 (+ (* 21 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 38448#(<= 3639 (+ (* 20 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 38449#(<= 3658 (+ (* 19 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 38450#(<= 3676 (+ (* 18 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 38451#(<= 3693 (+ (* 17 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 38452#(<= 3709 (+ (* 16 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 38453#(<= 3724 (+ (* 15 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 38454#(<= 3738 (+ (* 14 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 38455#(<= 3751 (+ (* 13 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 38456#(<= 3763 (+ (* 12 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 38457#(<= 3774 (+ (* 11 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 38458#(<= 3784 (+ (* 10 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 38459#(<= 3793 (+ (* 9 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 38460#(<= 3801 (+ (* 8 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 38461#(<= 3808 (+ (* 7 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 38462#(<= 3814 (+ (* 6 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 38463#(<= 3819 (+ (* 5 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 38464#(<= 3823 (+ (* 4 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 38465#(<= 3826 (+ (* 3 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 38466#(<= 3828 (+ (* 2 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 38467#(<= 3829 (+ ULTIMATE.start_main_~y~5 ULTIMATE.start_main_~x~5)), 38468#(<= 3829 ULTIMATE.start_main_~x~5), 38469#(<= (+ ULTIMATE.start_main_~y~5 3828) ULTIMATE.start_main_~x~5), 38378#true, 38379#false, 38380#(<= 1 (+ (* 88 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 38381#(<= 88 (+ (* 87 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 38382#(<= 174 (+ (* 86 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 38383#(<= 259 (+ (* 85 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 38384#(<= 343 (+ (* 84 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 38385#(<= 426 (+ (* 83 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 38386#(<= 508 (+ (* 82 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 38387#(<= 589 (+ (* 81 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 38388#(<= 669 (+ (* 80 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 38389#(<= 748 (+ (* 79 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 38390#(<= 826 (+ (* 78 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 38391#(<= 903 (+ (* 77 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 38392#(<= 979 (+ (* 76 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 38393#(<= 1054 (+ (* 75 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 38394#(<= 1128 (+ (* 74 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 38395#(<= 1201 (+ (* 73 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 38396#(<= 1273 (+ (* 72 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 38397#(<= 1344 (+ (* 71 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 38398#(<= 1414 (+ (* 70 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 38399#(<= 1483 (+ (* 69 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5))] [2018-07-23 13:43:14,499 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 13:43:14,499 INFO L450 AbstractCegarLoop]: Interpolant automaton has 92 states [2018-07-23 13:43:14,499 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 92 interpolants. [2018-07-23 13:43:14,500 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=181, Invalid=8191, Unknown=0, NotChecked=0, Total=8372 [2018-07-23 13:43:14,500 INFO L87 Difference]: Start difference. First operand 183 states and 183 transitions. Second operand 92 states. [2018-07-23 13:43:15,775 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-07-23 13:43:15,776 INFO L93 Difference]: Finished difference Result 187 states and 187 transitions. [2018-07-23 13:43:15,776 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 92 states. [2018-07-23 13:43:15,776 INFO L78 Accepts]: Start accepts. Automaton has 92 states. Word has length 182 [2018-07-23 13:43:15,776 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-07-23 13:43:15,777 INFO L225 Difference]: With dead ends: 187 [2018-07-23 13:43:15,777 INFO L226 Difference]: Without dead ends: 185 [2018-07-23 13:43:15,777 INFO L575 BasicCegarLoop]: 0 DeclaredPredicates, 91 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 90 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.5s TimeCoverageRelationStatistics Valid=181, Invalid=8191, Unknown=0, NotChecked=0, Total=8372 [2018-07-23 13:43:15,778 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 185 states. [2018-07-23 13:43:15,834 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 185 to 185. [2018-07-23 13:43:15,834 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 185 states. [2018-07-23 13:43:15,835 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 185 states to 185 states and 185 transitions. [2018-07-23 13:43:15,835 INFO L78 Accepts]: Start accepts. Automaton has 185 states and 185 transitions. Word has length 182 [2018-07-23 13:43:15,835 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-07-23 13:43:15,835 INFO L471 AbstractCegarLoop]: Abstraction has 185 states and 185 transitions. [2018-07-23 13:43:15,835 INFO L472 AbstractCegarLoop]: Interpolant automaton has 92 states. [2018-07-23 13:43:15,835 INFO L276 IsEmpty]: Start isEmpty. Operand 185 states and 185 transitions. [2018-07-23 13:43:15,836 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 185 [2018-07-23 13:43:15,836 INFO L349 BasicCegarLoop]: Found error trace [2018-07-23 13:43:15,836 INFO L357 BasicCegarLoop]: trace histogram [91, 90, 1, 1, 1] [2018-07-23 13:43:15,837 INFO L414 AbstractCegarLoop]: === Iteration 91 === [ULTIMATE.startErr0AssertViolationASSERT]=== [2018-07-23 13:43:15,837 INFO L82 PathProgramCache]: Analyzing trace with hash 1481622941, now seen corresponding path program 90 times [2018-07-23 13:43:15,837 INFO L69 tionRefinementEngine]: Using refinement strategy FixedRefinementStrategy [2018-07-23 13:43:15,981 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-07-23 13:43:16,740 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 13:43:16,740 INFO L309 seRefinementStrategy]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2018-07-23 13:43:16,740 INFO L324 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [92] total 92 [2018-07-23 13:43:16,740 INFO L142 lantAutomatonBuilder]: Constructing canonical interpolant automaton, with selfloop in false state [2018-07-23 13:43:16,741 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-07-23 13:43:16,741 INFO L185 omatonBuilderFactory]: Interpolants [39296#(<= 3881 (+ (* 9 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 39297#(<= 3889 (+ (* 8 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 39298#(<= 3896 (+ (* 7 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 39299#(<= 3902 (+ (* 6 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 39300#(<= 3907 (+ (* 5 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 39301#(<= 3911 (+ (* 4 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 39302#(<= 3914 (+ (* 3 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 39303#(<= 3916 (+ (* 2 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 39304#(<= 3917 (+ ULTIMATE.start_main_~y~5 ULTIMATE.start_main_~x~5)), 39305#(<= 3917 ULTIMATE.start_main_~x~5), 39306#(<= (+ ULTIMATE.start_main_~y~5 3916) ULTIMATE.start_main_~x~5), 39214#true, 39215#false, 39216#(<= 1 (+ (* 89 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 39217#(<= 89 (+ (* 88 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 39218#(<= 176 (+ (* 87 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 39219#(<= 262 (+ (* 86 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 39220#(<= 347 (+ (* 85 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 39221#(<= 431 (+ (* 84 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 39222#(<= 514 (+ (* 83 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 39223#(<= 596 (+ (* 82 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 39224#(<= 677 (+ (* 81 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 39225#(<= 757 (+ (* 80 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 39226#(<= 836 (+ (* 79 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 39227#(<= 914 (+ (* 78 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 39228#(<= 991 (+ (* 77 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 39229#(<= 1067 (+ (* 76 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 39230#(<= 1142 (+ (* 75 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 39231#(<= 1216 (+ (* 74 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 39232#(<= 1289 (+ (* 73 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 39233#(<= 1361 (+ (* 72 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 39234#(<= 1432 (+ (* 71 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 39235#(<= 1502 (+ (* 70 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 39236#(<= 1571 (+ (* 69 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 39237#(<= 1639 (+ (* 68 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 39238#(<= 1706 (+ (* 67 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 39239#(<= 1772 (+ (* 66 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 39240#(<= 1837 (+ (* 65 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 39241#(<= 1901 (+ (* 64 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 39242#(<= 1964 (+ (* 63 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 39243#(<= 2026 (+ (* 62 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 39244#(<= 2087 (+ (* 61 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 39245#(<= 2147 (+ (* 60 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 39246#(<= 2206 (+ (* 59 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 39247#(<= 2264 (+ (* 58 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 39248#(<= 2321 (+ (* 57 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 39249#(<= 2377 (+ (* 56 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 39250#(<= 2432 (+ (* 55 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 39251#(<= 2486 (+ (* 54 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 39252#(<= 2539 (+ (* 53 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 39253#(<= 2591 (+ (* 52 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 39254#(<= 2642 (+ (* 51 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 39255#(<= 2692 (+ (* 50 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 39256#(<= 2741 (+ (* 49 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 39257#(<= 2789 (+ (* 48 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 39258#(<= 2836 (+ (* 47 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 39259#(<= 2882 (+ (* 46 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 39260#(<= 2927 (+ (* 45 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 39261#(<= 2971 (+ (* 44 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 39262#(<= 3014 (+ (* 43 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 39263#(<= 3056 (+ (* 42 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 39264#(<= 3097 (+ (* 41 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 39265#(<= 3137 (+ (* 40 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 39266#(<= 3176 (+ (* 39 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 39267#(<= 3214 (+ (* 38 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 39268#(<= 3251 (+ (* 37 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 39269#(<= 3287 (+ (* 36 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 39270#(<= 3322 (+ (* 35 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 39271#(<= 3356 (+ (* 34 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 39272#(<= 3389 (+ (* 33 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 39273#(<= 3421 (+ (* 32 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 39274#(<= 3452 (+ (* 31 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 39275#(<= 3482 (+ (* 30 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 39276#(<= 3511 (+ (* 29 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 39277#(<= 3539 (+ (* 28 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 39278#(<= 3566 (+ (* 27 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 39279#(<= 3592 (+ (* 26 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 39280#(<= 3617 (+ (* 25 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 39281#(<= 3641 (+ (* 24 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 39282#(<= 3664 (+ (* 23 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 39283#(<= 3686 (+ (* 22 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 39284#(<= 3707 (+ (* 21 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 39285#(<= 3727 (+ (* 20 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 39286#(<= 3746 (+ (* 19 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 39287#(<= 3764 (+ (* 18 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 39288#(<= 3781 (+ (* 17 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 39289#(<= 3797 (+ (* 16 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 39290#(<= 3812 (+ (* 15 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 39291#(<= 3826 (+ (* 14 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 39292#(<= 3839 (+ (* 13 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 39293#(<= 3851 (+ (* 12 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 39294#(<= 3862 (+ (* 11 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 39295#(<= 3872 (+ (* 10 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5))] [2018-07-23 13:43:16,742 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 13:43:16,742 INFO L450 AbstractCegarLoop]: Interpolant automaton has 93 states [2018-07-23 13:43:16,742 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 93 interpolants. [2018-07-23 13:43:16,742 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=183, Invalid=8373, Unknown=0, NotChecked=0, Total=8556 [2018-07-23 13:43:16,742 INFO L87 Difference]: Start difference. First operand 185 states and 185 transitions. Second operand 93 states. [2018-07-23 13:43:18,130 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-07-23 13:43:18,130 INFO L93 Difference]: Finished difference Result 189 states and 189 transitions. [2018-07-23 13:43:18,130 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 93 states. [2018-07-23 13:43:18,131 INFO L78 Accepts]: Start accepts. Automaton has 93 states. Word has length 184 [2018-07-23 13:43:18,131 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-07-23 13:43:18,132 INFO L225 Difference]: With dead ends: 189 [2018-07-23 13:43:18,132 INFO L226 Difference]: Without dead ends: 187 [2018-07-23 13:43:18,133 INFO L575 BasicCegarLoop]: 0 DeclaredPredicates, 92 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 91 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.4s TimeCoverageRelationStatistics Valid=183, Invalid=8373, Unknown=0, NotChecked=0, Total=8556 [2018-07-23 13:43:18,133 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 187 states. [2018-07-23 13:43:18,195 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 187 to 187. [2018-07-23 13:43:18,196 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 187 states. [2018-07-23 13:43:18,196 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 187 states to 187 states and 187 transitions. [2018-07-23 13:43:18,196 INFO L78 Accepts]: Start accepts. Automaton has 187 states and 187 transitions. Word has length 184 [2018-07-23 13:43:18,196 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-07-23 13:43:18,196 INFO L471 AbstractCegarLoop]: Abstraction has 187 states and 187 transitions. [2018-07-23 13:43:18,196 INFO L472 AbstractCegarLoop]: Interpolant automaton has 93 states. [2018-07-23 13:43:18,196 INFO L276 IsEmpty]: Start isEmpty. Operand 187 states and 187 transitions. [2018-07-23 13:43:18,197 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 187 [2018-07-23 13:43:18,197 INFO L349 BasicCegarLoop]: Found error trace [2018-07-23 13:43:18,197 INFO L357 BasicCegarLoop]: trace histogram [92, 91, 1, 1, 1] [2018-07-23 13:43:18,198 INFO L414 AbstractCegarLoop]: === Iteration 92 === [ULTIMATE.startErr0AssertViolationASSERT]=== [2018-07-23 13:43:18,198 INFO L82 PathProgramCache]: Analyzing trace with hash -2089562983, now seen corresponding path program 91 times [2018-07-23 13:43:18,198 INFO L69 tionRefinementEngine]: Using refinement strategy FixedRefinementStrategy [2018-07-23 13:43:18,341 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-07-23 13:43:19,101 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 13:43:19,102 INFO L309 seRefinementStrategy]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2018-07-23 13:43:19,102 INFO L324 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [93] total 93 [2018-07-23 13:43:19,102 INFO L142 lantAutomatonBuilder]: Constructing canonical interpolant automaton, with selfloop in false state [2018-07-23 13:43:19,102 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-07-23 13:43:19,103 INFO L185 omatonBuilderFactory]: Interpolants [40064#(<= 265 (+ (* 87 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 40065#(<= 351 (+ (* 86 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 40066#(<= 436 (+ (* 85 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 40067#(<= 520 (+ (* 84 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 40068#(<= 603 (+ (* 83 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 40069#(<= 685 (+ (* 82 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 40070#(<= 766 (+ (* 81 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 40071#(<= 846 (+ (* 80 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 40072#(<= 925 (+ (* 79 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 40073#(<= 1003 (+ (* 78 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 40074#(<= 1080 (+ (* 77 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 40075#(<= 1156 (+ (* 76 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 40076#(<= 1231 (+ (* 75 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 40077#(<= 1305 (+ (* 74 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 40078#(<= 1378 (+ (* 73 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 40079#(<= 1450 (+ (* 72 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 40080#(<= 1521 (+ (* 71 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 40081#(<= 1591 (+ (* 70 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 40082#(<= 1660 (+ (* 69 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 40083#(<= 1728 (+ (* 68 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 40084#(<= 1795 (+ (* 67 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 40085#(<= 1861 (+ (* 66 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 40086#(<= 1926 (+ (* 65 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 40087#(<= 1990 (+ (* 64 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 40088#(<= 2053 (+ (* 63 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 40089#(<= 2115 (+ (* 62 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 40090#(<= 2176 (+ (* 61 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 40091#(<= 2236 (+ (* 60 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 40092#(<= 2295 (+ (* 59 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 40093#(<= 2353 (+ (* 58 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 40094#(<= 2410 (+ (* 57 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 40095#(<= 2466 (+ (* 56 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 40096#(<= 2521 (+ (* 55 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 40097#(<= 2575 (+ (* 54 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 40098#(<= 2628 (+ (* 53 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 40099#(<= 2680 (+ (* 52 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 40100#(<= 2731 (+ (* 51 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 40101#(<= 2781 (+ (* 50 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 40102#(<= 2830 (+ (* 49 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 40103#(<= 2878 (+ (* 48 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 40104#(<= 2925 (+ (* 47 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 40105#(<= 2971 (+ (* 46 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 40106#(<= 3016 (+ (* 45 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 40107#(<= 3060 (+ (* 44 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 40108#(<= 3103 (+ (* 43 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 40109#(<= 3145 (+ (* 42 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 40110#(<= 3186 (+ (* 41 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 40111#(<= 3226 (+ (* 40 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 40112#(<= 3265 (+ (* 39 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 40113#(<= 3303 (+ (* 38 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 40114#(<= 3340 (+ (* 37 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 40115#(<= 3376 (+ (* 36 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 40116#(<= 3411 (+ (* 35 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 40117#(<= 3445 (+ (* 34 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 40118#(<= 3478 (+ (* 33 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 40119#(<= 3510 (+ (* 32 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 40120#(<= 3541 (+ (* 31 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 40121#(<= 3571 (+ (* 30 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 40122#(<= 3600 (+ (* 29 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 40123#(<= 3628 (+ (* 28 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 40124#(<= 3655 (+ (* 27 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 40125#(<= 3681 (+ (* 26 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 40126#(<= 3706 (+ (* 25 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 40127#(<= 3730 (+ (* 24 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 40128#(<= 3753 (+ (* 23 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 40129#(<= 3775 (+ (* 22 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 40130#(<= 3796 (+ (* 21 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 40131#(<= 3816 (+ (* 20 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 40132#(<= 3835 (+ (* 19 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 40133#(<= 3853 (+ (* 18 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 40134#(<= 3870 (+ (* 17 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 40135#(<= 3886 (+ (* 16 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 40136#(<= 3901 (+ (* 15 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 40137#(<= 3915 (+ (* 14 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 40138#(<= 3928 (+ (* 13 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 40139#(<= 3940 (+ (* 12 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 40140#(<= 3951 (+ (* 11 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 40141#(<= 3961 (+ (* 10 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 40142#(<= 3970 (+ (* 9 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 40143#(<= 3978 (+ (* 8 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 40144#(<= 3985 (+ (* 7 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 40145#(<= 3991 (+ (* 6 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 40146#(<= 3996 (+ (* 5 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 40147#(<= 4000 (+ (* 4 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 40148#(<= 4003 (+ (* 3 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 40149#(<= 4005 (+ (* 2 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 40150#(<= 4006 (+ ULTIMATE.start_main_~y~5 ULTIMATE.start_main_~x~5)), 40151#(<= 4006 ULTIMATE.start_main_~x~5), 40152#(<= (+ ULTIMATE.start_main_~y~5 4005) ULTIMATE.start_main_~x~5), 40059#true, 40060#false, 40061#(<= 1 (+ (* 90 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 40062#(<= 90 (+ (* 89 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 40063#(<= 178 (+ (* 88 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5))] [2018-07-23 13:43:19,103 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 13:43:19,104 INFO L450 AbstractCegarLoop]: Interpolant automaton has 94 states [2018-07-23 13:43:19,104 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 94 interpolants. [2018-07-23 13:43:19,104 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=185, Invalid=8557, Unknown=0, NotChecked=0, Total=8742 [2018-07-23 13:43:19,105 INFO L87 Difference]: Start difference. First operand 187 states and 187 transitions. Second operand 94 states. [2018-07-23 13:43:20,532 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-07-23 13:43:20,532 INFO L93 Difference]: Finished difference Result 191 states and 191 transitions. [2018-07-23 13:43:20,532 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 94 states. [2018-07-23 13:43:20,532 INFO L78 Accepts]: Start accepts. Automaton has 94 states. Word has length 186 [2018-07-23 13:43:20,532 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-07-23 13:43:20,533 INFO L225 Difference]: With dead ends: 191 [2018-07-23 13:43:20,533 INFO L226 Difference]: Without dead ends: 189 [2018-07-23 13:43:20,534 INFO L575 BasicCegarLoop]: 0 DeclaredPredicates, 93 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 92 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.5s TimeCoverageRelationStatistics Valid=185, Invalid=8557, Unknown=0, NotChecked=0, Total=8742 [2018-07-23 13:43:20,534 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 189 states. [2018-07-23 13:43:20,592 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 189 to 189. [2018-07-23 13:43:20,592 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 189 states. [2018-07-23 13:43:20,592 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 189 states to 189 states and 189 transitions. [2018-07-23 13:43:20,593 INFO L78 Accepts]: Start accepts. Automaton has 189 states and 189 transitions. Word has length 186 [2018-07-23 13:43:20,593 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-07-23 13:43:20,593 INFO L471 AbstractCegarLoop]: Abstraction has 189 states and 189 transitions. [2018-07-23 13:43:20,593 INFO L472 AbstractCegarLoop]: Interpolant automaton has 94 states. [2018-07-23 13:43:20,593 INFO L276 IsEmpty]: Start isEmpty. Operand 189 states and 189 transitions. [2018-07-23 13:43:20,593 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 189 [2018-07-23 13:43:20,594 INFO L349 BasicCegarLoop]: Found error trace [2018-07-23 13:43:20,594 INFO L357 BasicCegarLoop]: trace histogram [93, 92, 1, 1, 1] [2018-07-23 13:43:20,594 INFO L414 AbstractCegarLoop]: === Iteration 93 === [ULTIMATE.startErr0AssertViolationASSERT]=== [2018-07-23 13:43:20,594 INFO L82 PathProgramCache]: Analyzing trace with hash 1974600853, now seen corresponding path program 92 times [2018-07-23 13:43:20,594 INFO L69 tionRefinementEngine]: Using refinement strategy FixedRefinementStrategy [2018-07-23 13:43:20,755 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-07-23 13:43:21,477 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 13:43:21,477 INFO L309 seRefinementStrategy]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2018-07-23 13:43:21,477 INFO L324 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [94] total 94 [2018-07-23 13:43:21,478 INFO L142 lantAutomatonBuilder]: Constructing canonical interpolant automaton, with selfloop in false state [2018-07-23 13:43:21,478 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-07-23 13:43:21,478 INFO L185 omatonBuilderFactory]: Interpolants [40960#(<= 3061 (+ (* 46 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 40961#(<= 3106 (+ (* 45 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 40962#(<= 3150 (+ (* 44 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 40963#(<= 3193 (+ (* 43 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 40964#(<= 3235 (+ (* 42 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 40965#(<= 3276 (+ (* 41 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 40966#(<= 3316 (+ (* 40 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 40967#(<= 3355 (+ (* 39 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 40968#(<= 3393 (+ (* 38 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 40969#(<= 3430 (+ (* 37 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 40970#(<= 3466 (+ (* 36 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 40971#(<= 3501 (+ (* 35 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 40972#(<= 3535 (+ (* 34 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 40973#(<= 3568 (+ (* 33 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 40974#(<= 3600 (+ (* 32 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 40975#(<= 3631 (+ (* 31 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 40976#(<= 3661 (+ (* 30 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 40977#(<= 3690 (+ (* 29 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 40978#(<= 3718 (+ (* 28 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 40979#(<= 3745 (+ (* 27 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 40980#(<= 3771 (+ (* 26 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 40981#(<= 3796 (+ (* 25 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 40982#(<= 3820 (+ (* 24 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 40983#(<= 3843 (+ (* 23 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 40984#(<= 3865 (+ (* 22 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 40985#(<= 3886 (+ (* 21 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 40986#(<= 3906 (+ (* 20 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 40987#(<= 3925 (+ (* 19 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 40988#(<= 3943 (+ (* 18 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 40989#(<= 3960 (+ (* 17 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 40990#(<= 3976 (+ (* 16 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 40991#(<= 3991 (+ (* 15 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 40992#(<= 4005 (+ (* 14 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 40993#(<= 4018 (+ (* 13 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 40994#(<= 4030 (+ (* 12 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 40995#(<= 4041 (+ (* 11 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 40996#(<= 4051 (+ (* 10 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 40997#(<= 4060 (+ (* 9 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 40998#(<= 4068 (+ (* 8 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 40999#(<= 4075 (+ (* 7 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 41000#(<= 4081 (+ (* 6 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 41001#(<= 4086 (+ (* 5 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 41002#(<= 4090 (+ (* 4 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 41003#(<= 4093 (+ (* 3 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 41004#(<= 4095 (+ (* 2 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 41005#(<= 4096 (+ ULTIMATE.start_main_~y~5 ULTIMATE.start_main_~x~5)), 41006#(<= 4096 ULTIMATE.start_main_~x~5), 41007#(<= (+ ULTIMATE.start_main_~y~5 4095) ULTIMATE.start_main_~x~5), 40913#true, 40914#false, 40915#(<= 1 (+ (* 91 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 40916#(<= 91 (+ (* 90 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 40917#(<= 180 (+ (* 89 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 40918#(<= 268 (+ (* 88 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 40919#(<= 355 (+ (* 87 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 40920#(<= 441 (+ (* 86 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 40921#(<= 526 (+ (* 85 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 40922#(<= 610 (+ (* 84 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 40923#(<= 693 (+ (* 83 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 40924#(<= 775 (+ (* 82 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 40925#(<= 856 (+ (* 81 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 40926#(<= 936 (+ (* 80 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 40927#(<= 1015 (+ (* 79 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 40928#(<= 1093 (+ (* 78 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 40929#(<= 1170 (+ (* 77 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 40930#(<= 1246 (+ (* 76 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 40931#(<= 1321 (+ (* 75 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 40932#(<= 1395 (+ (* 74 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 40933#(<= 1468 (+ (* 73 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 40934#(<= 1540 (+ (* 72 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 40935#(<= 1611 (+ (* 71 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 40936#(<= 1681 (+ (* 70 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 40937#(<= 1750 (+ (* 69 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 40938#(<= 1818 (+ (* 68 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 40939#(<= 1885 (+ (* 67 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 40940#(<= 1951 (+ (* 66 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 40941#(<= 2016 (+ (* 65 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 40942#(<= 2080 (+ (* 64 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 40943#(<= 2143 (+ (* 63 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 40944#(<= 2205 (+ (* 62 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 40945#(<= 2266 (+ (* 61 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 40946#(<= 2326 (+ (* 60 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 40947#(<= 2385 (+ (* 59 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 40948#(<= 2443 (+ (* 58 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 40949#(<= 2500 (+ (* 57 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 40950#(<= 2556 (+ (* 56 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 40951#(<= 2611 (+ (* 55 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 40952#(<= 2665 (+ (* 54 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 40953#(<= 2718 (+ (* 53 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 40954#(<= 2770 (+ (* 52 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 40955#(<= 2821 (+ (* 51 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 40956#(<= 2871 (+ (* 50 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 40957#(<= 2920 (+ (* 49 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 40958#(<= 2968 (+ (* 48 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 40959#(<= 3015 (+ (* 47 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5))] [2018-07-23 13:43:21,479 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 13:43:21,479 INFO L450 AbstractCegarLoop]: Interpolant automaton has 95 states [2018-07-23 13:43:21,479 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 95 interpolants. [2018-07-23 13:43:21,479 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=187, Invalid=8743, Unknown=0, NotChecked=0, Total=8930 [2018-07-23 13:43:21,479 INFO L87 Difference]: Start difference. First operand 189 states and 189 transitions. Second operand 95 states. [2018-07-23 13:43:22,859 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-07-23 13:43:22,859 INFO L93 Difference]: Finished difference Result 193 states and 193 transitions. [2018-07-23 13:43:22,859 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 95 states. [2018-07-23 13:43:22,859 INFO L78 Accepts]: Start accepts. Automaton has 95 states. Word has length 188 [2018-07-23 13:43:22,860 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-07-23 13:43:22,860 INFO L225 Difference]: With dead ends: 193 [2018-07-23 13:43:22,861 INFO L226 Difference]: Without dead ends: 191 [2018-07-23 13:43:22,861 INFO L575 BasicCegarLoop]: 0 DeclaredPredicates, 94 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 93 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.5s TimeCoverageRelationStatistics Valid=187, Invalid=8743, Unknown=0, NotChecked=0, Total=8930 [2018-07-23 13:43:22,861 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 191 states. [2018-07-23 13:43:22,913 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 191 to 191. [2018-07-23 13:43:22,914 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 191 states. [2018-07-23 13:43:22,914 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 191 states to 191 states and 191 transitions. [2018-07-23 13:43:22,914 INFO L78 Accepts]: Start accepts. Automaton has 191 states and 191 transitions. Word has length 188 [2018-07-23 13:43:22,914 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-07-23 13:43:22,914 INFO L471 AbstractCegarLoop]: Abstraction has 191 states and 191 transitions. [2018-07-23 13:43:22,914 INFO L472 AbstractCegarLoop]: Interpolant automaton has 95 states. [2018-07-23 13:43:22,915 INFO L276 IsEmpty]: Start isEmpty. Operand 191 states and 191 transitions. [2018-07-23 13:43:22,915 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 191 [2018-07-23 13:43:22,915 INFO L349 BasicCegarLoop]: Found error trace [2018-07-23 13:43:22,916 INFO L357 BasicCegarLoop]: trace histogram [94, 93, 1, 1, 1] [2018-07-23 13:43:22,916 INFO L414 AbstractCegarLoop]: === Iteration 94 === [ULTIMATE.startErr0AssertViolationASSERT]=== [2018-07-23 13:43:22,916 INFO L82 PathProgramCache]: Analyzing trace with hash -784192111, now seen corresponding path program 93 times [2018-07-23 13:43:22,916 INFO L69 tionRefinementEngine]: Using refinement strategy FixedRefinementStrategy [2018-07-23 13:43:23,054 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-07-23 13:43:23,791 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 13:43:23,792 INFO L309 seRefinementStrategy]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2018-07-23 13:43:23,792 INFO L324 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [95] total 95 [2018-07-23 13:43:23,792 INFO L142 lantAutomatonBuilder]: Constructing canonical interpolant automaton, with selfloop in false state [2018-07-23 13:43:23,792 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-07-23 13:43:23,792 INFO L185 omatonBuilderFactory]: Interpolants [41856#(<= 4096 (+ (* 14 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 41857#(<= 4109 (+ (* 13 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 41858#(<= 4121 (+ (* 12 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 41859#(<= 4132 (+ (* 11 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 41860#(<= 4142 (+ (* 10 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 41861#(<= 4151 (+ (* 9 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 41862#(<= 4159 (+ (* 8 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 41863#(<= 4166 (+ (* 7 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 41864#(<= 4172 (+ (* 6 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 41865#(<= 4177 (+ (* 5 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 41866#(<= 4181 (+ (* 4 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 41867#(<= 4184 (+ (* 3 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 41868#(<= 4186 (+ (* 2 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 41869#(<= 4187 (+ ULTIMATE.start_main_~y~5 ULTIMATE.start_main_~x~5)), 41870#(<= 4187 ULTIMATE.start_main_~x~5), 41871#(<= (+ ULTIMATE.start_main_~y~5 4186) ULTIMATE.start_main_~x~5), 41776#true, 41777#false, 41778#(<= 1 (+ (* 92 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 41779#(<= 92 (+ (* 91 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 41780#(<= 182 (+ (* 90 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 41781#(<= 271 (+ (* 89 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 41782#(<= 359 (+ (* 88 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 41783#(<= 446 (+ (* 87 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 41784#(<= 532 (+ (* 86 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 41785#(<= 617 (+ (* 85 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 41786#(<= 701 (+ (* 84 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 41787#(<= 784 (+ (* 83 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 41788#(<= 866 (+ (* 82 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 41789#(<= 947 (+ (* 81 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 41790#(<= 1027 (+ (* 80 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 41791#(<= 1106 (+ (* 79 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 41792#(<= 1184 (+ (* 78 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 41793#(<= 1261 (+ (* 77 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 41794#(<= 1337 (+ (* 76 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 41795#(<= 1412 (+ (* 75 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 41796#(<= 1486 (+ (* 74 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 41797#(<= 1559 (+ (* 73 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 41798#(<= 1631 (+ (* 72 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 41799#(<= 1702 (+ (* 71 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 41800#(<= 1772 (+ (* 70 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 41801#(<= 1841 (+ (* 69 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 41802#(<= 1909 (+ (* 68 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 41803#(<= 1976 (+ (* 67 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 41804#(<= 2042 (+ (* 66 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 41805#(<= 2107 (+ (* 65 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 41806#(<= 2171 (+ (* 64 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 41807#(<= 2234 (+ (* 63 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 41808#(<= 2296 (+ (* 62 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 41809#(<= 2357 (+ (* 61 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 41810#(<= 2417 (+ (* 60 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 41811#(<= 2476 (+ (* 59 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 41812#(<= 2534 (+ (* 58 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 41813#(<= 2591 (+ (* 57 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 41814#(<= 2647 (+ (* 56 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 41815#(<= 2702 (+ (* 55 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 41816#(<= 2756 (+ (* 54 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 41817#(<= 2809 (+ (* 53 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 41818#(<= 2861 (+ (* 52 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 41819#(<= 2912 (+ (* 51 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 41820#(<= 2962 (+ (* 50 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 41821#(<= 3011 (+ (* 49 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 41822#(<= 3059 (+ (* 48 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 41823#(<= 3106 (+ (* 47 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 41824#(<= 3152 (+ (* 46 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 41825#(<= 3197 (+ (* 45 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 41826#(<= 3241 (+ (* 44 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 41827#(<= 3284 (+ (* 43 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 41828#(<= 3326 (+ (* 42 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 41829#(<= 3367 (+ (* 41 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 41830#(<= 3407 (+ (* 40 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 41831#(<= 3446 (+ (* 39 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 41832#(<= 3484 (+ (* 38 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 41833#(<= 3521 (+ (* 37 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 41834#(<= 3557 (+ (* 36 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 41835#(<= 3592 (+ (* 35 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 41836#(<= 3626 (+ (* 34 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 41837#(<= 3659 (+ (* 33 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 41838#(<= 3691 (+ (* 32 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 41839#(<= 3722 (+ (* 31 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 41840#(<= 3752 (+ (* 30 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 41841#(<= 3781 (+ (* 29 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 41842#(<= 3809 (+ (* 28 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 41843#(<= 3836 (+ (* 27 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 41844#(<= 3862 (+ (* 26 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 41845#(<= 3887 (+ (* 25 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 41846#(<= 3911 (+ (* 24 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 41847#(<= 3934 (+ (* 23 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 41848#(<= 3956 (+ (* 22 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 41849#(<= 3977 (+ (* 21 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 41850#(<= 3997 (+ (* 20 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 41851#(<= 4016 (+ (* 19 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 41852#(<= 4034 (+ (* 18 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 41853#(<= 4051 (+ (* 17 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 41854#(<= 4067 (+ (* 16 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 41855#(<= 4082 (+ (* 15 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5))] [2018-07-23 13:43:23,793 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 13:43:23,793 INFO L450 AbstractCegarLoop]: Interpolant automaton has 96 states [2018-07-23 13:43:23,793 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 96 interpolants. [2018-07-23 13:43:23,794 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=189, Invalid=8931, Unknown=0, NotChecked=0, Total=9120 [2018-07-23 13:43:23,794 INFO L87 Difference]: Start difference. First operand 191 states and 191 transitions. Second operand 96 states. [2018-07-23 13:43:25,230 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-07-23 13:43:25,230 INFO L93 Difference]: Finished difference Result 195 states and 195 transitions. [2018-07-23 13:43:25,230 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 96 states. [2018-07-23 13:43:25,230 INFO L78 Accepts]: Start accepts. Automaton has 96 states. Word has length 190 [2018-07-23 13:43:25,231 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-07-23 13:43:25,232 INFO L225 Difference]: With dead ends: 195 [2018-07-23 13:43:25,232 INFO L226 Difference]: Without dead ends: 193 [2018-07-23 13:43:25,233 INFO L575 BasicCegarLoop]: 0 DeclaredPredicates, 95 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 94 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.5s TimeCoverageRelationStatistics Valid=189, Invalid=8931, Unknown=0, NotChecked=0, Total=9120 [2018-07-23 13:43:25,233 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 193 states. [2018-07-23 13:43:25,317 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 193 to 193. [2018-07-23 13:43:25,318 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 193 states. [2018-07-23 13:43:25,318 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 193 states to 193 states and 193 transitions. [2018-07-23 13:43:25,318 INFO L78 Accepts]: Start accepts. Automaton has 193 states and 193 transitions. Word has length 190 [2018-07-23 13:43:25,318 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-07-23 13:43:25,318 INFO L471 AbstractCegarLoop]: Abstraction has 193 states and 193 transitions. [2018-07-23 13:43:25,319 INFO L472 AbstractCegarLoop]: Interpolant automaton has 96 states. [2018-07-23 13:43:25,319 INFO L276 IsEmpty]: Start isEmpty. Operand 193 states and 193 transitions. [2018-07-23 13:43:25,320 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 193 [2018-07-23 13:43:25,320 INFO L349 BasicCegarLoop]: Found error trace [2018-07-23 13:43:25,320 INFO L357 BasicCegarLoop]: trace histogram [95, 94, 1, 1, 1] [2018-07-23 13:43:25,320 INFO L414 AbstractCegarLoop]: === Iteration 95 === [ULTIMATE.startErr0AssertViolationASSERT]=== [2018-07-23 13:43:25,320 INFO L82 PathProgramCache]: Analyzing trace with hash -1989408883, now seen corresponding path program 94 times [2018-07-23 13:43:25,320 INFO L69 tionRefinementEngine]: Using refinement strategy FixedRefinementStrategy [2018-07-23 13:43:25,494 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-07-23 13:43:26,284 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 13:43:26,285 INFO L309 seRefinementStrategy]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2018-07-23 13:43:26,285 INFO L324 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [96] total 96 [2018-07-23 13:43:26,285 INFO L142 lantAutomatonBuilder]: Constructing canonical interpolant automaton, with selfloop in false state [2018-07-23 13:43:26,285 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-07-23 13:43:26,286 INFO L185 omatonBuilderFactory]: Interpolants [42648#true, 42649#false, 42650#(<= 1 (+ (* 93 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 42651#(<= 93 (+ (* 92 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 42652#(<= 184 (+ (* 91 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 42653#(<= 274 (+ (* 90 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 42654#(<= 363 (+ (* 89 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 42655#(<= 451 (+ (* 88 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 42656#(<= 538 (+ (* 87 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 42657#(<= 624 (+ (* 86 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 42658#(<= 709 (+ (* 85 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 42659#(<= 793 (+ (* 84 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 42660#(<= 876 (+ (* 83 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 42661#(<= 958 (+ (* 82 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 42662#(<= 1039 (+ (* 81 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 42663#(<= 1119 (+ (* 80 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 42664#(<= 1198 (+ (* 79 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 42665#(<= 1276 (+ (* 78 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 42666#(<= 1353 (+ (* 77 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 42667#(<= 1429 (+ (* 76 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 42668#(<= 1504 (+ (* 75 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 42669#(<= 1578 (+ (* 74 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 42670#(<= 1651 (+ (* 73 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 42671#(<= 1723 (+ (* 72 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 42672#(<= 1794 (+ (* 71 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 42673#(<= 1864 (+ (* 70 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 42674#(<= 1933 (+ (* 69 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 42675#(<= 2001 (+ (* 68 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 42676#(<= 2068 (+ (* 67 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 42677#(<= 2134 (+ (* 66 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 42678#(<= 2199 (+ (* 65 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 42679#(<= 2263 (+ (* 64 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 42680#(<= 2326 (+ (* 63 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 42681#(<= 2388 (+ (* 62 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 42682#(<= 2449 (+ (* 61 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 42683#(<= 2509 (+ (* 60 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 42684#(<= 2568 (+ (* 59 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 42685#(<= 2626 (+ (* 58 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 42686#(<= 2683 (+ (* 57 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 42687#(<= 2739 (+ (* 56 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 42688#(<= 2794 (+ (* 55 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 42689#(<= 2848 (+ (* 54 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 42690#(<= 2901 (+ (* 53 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 42691#(<= 2953 (+ (* 52 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 42692#(<= 3004 (+ (* 51 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 42693#(<= 3054 (+ (* 50 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 42694#(<= 3103 (+ (* 49 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 42695#(<= 3151 (+ (* 48 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 42696#(<= 3198 (+ (* 47 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 42697#(<= 3244 (+ (* 46 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 42698#(<= 3289 (+ (* 45 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 42699#(<= 3333 (+ (* 44 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 42700#(<= 3376 (+ (* 43 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 42701#(<= 3418 (+ (* 42 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 42702#(<= 3459 (+ (* 41 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 42703#(<= 3499 (+ (* 40 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 42704#(<= 3538 (+ (* 39 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 42705#(<= 3576 (+ (* 38 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 42706#(<= 3613 (+ (* 37 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 42707#(<= 3649 (+ (* 36 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 42708#(<= 3684 (+ (* 35 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 42709#(<= 3718 (+ (* 34 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 42710#(<= 3751 (+ (* 33 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 42711#(<= 3783 (+ (* 32 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 42712#(<= 3814 (+ (* 31 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 42713#(<= 3844 (+ (* 30 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 42714#(<= 3873 (+ (* 29 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 42715#(<= 3901 (+ (* 28 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 42716#(<= 3928 (+ (* 27 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 42717#(<= 3954 (+ (* 26 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 42718#(<= 3979 (+ (* 25 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 42719#(<= 4003 (+ (* 24 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 42720#(<= 4026 (+ (* 23 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 42721#(<= 4048 (+ (* 22 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 42722#(<= 4069 (+ (* 21 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 42723#(<= 4089 (+ (* 20 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 42724#(<= 4108 (+ (* 19 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 42725#(<= 4126 (+ (* 18 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 42726#(<= 4143 (+ (* 17 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 42727#(<= 4159 (+ (* 16 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 42728#(<= 4174 (+ (* 15 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 42729#(<= 4188 (+ (* 14 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 42730#(<= 4201 (+ (* 13 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 42731#(<= 4213 (+ (* 12 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 42732#(<= 4224 (+ (* 11 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 42733#(<= 4234 (+ (* 10 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 42734#(<= 4243 (+ (* 9 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 42735#(<= 4251 (+ (* 8 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 42736#(<= 4258 (+ (* 7 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 42737#(<= 4264 (+ (* 6 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 42738#(<= 4269 (+ (* 5 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 42739#(<= 4273 (+ (* 4 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 42740#(<= 4276 (+ (* 3 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 42741#(<= 4278 (+ (* 2 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 42742#(<= 4279 (+ ULTIMATE.start_main_~y~5 ULTIMATE.start_main_~x~5)), 42743#(<= 4279 ULTIMATE.start_main_~x~5), 42744#(<= (+ ULTIMATE.start_main_~y~5 4278) ULTIMATE.start_main_~x~5)] [2018-07-23 13:43:26,286 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 13:43:26,286 INFO L450 AbstractCegarLoop]: Interpolant automaton has 97 states [2018-07-23 13:43:26,287 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 97 interpolants. [2018-07-23 13:43:26,287 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=191, Invalid=9121, Unknown=0, NotChecked=0, Total=9312 [2018-07-23 13:43:26,288 INFO L87 Difference]: Start difference. First operand 193 states and 193 transitions. Second operand 97 states. [2018-07-23 13:43:27,838 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-07-23 13:43:27,838 INFO L93 Difference]: Finished difference Result 197 states and 197 transitions. [2018-07-23 13:43:27,839 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 97 states. [2018-07-23 13:43:27,839 INFO L78 Accepts]: Start accepts. Automaton has 97 states. Word has length 192 [2018-07-23 13:43:27,839 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-07-23 13:43:27,840 INFO L225 Difference]: With dead ends: 197 [2018-07-23 13:43:27,840 INFO L226 Difference]: Without dead ends: 195 [2018-07-23 13:43:27,841 INFO L575 BasicCegarLoop]: 0 DeclaredPredicates, 96 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 95 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.5s TimeCoverageRelationStatistics Valid=191, Invalid=9121, Unknown=0, NotChecked=0, Total=9312 [2018-07-23 13:43:27,841 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 195 states. [2018-07-23 13:43:27,919 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 195 to 195. [2018-07-23 13:43:27,919 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 195 states. [2018-07-23 13:43:27,920 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 195 states to 195 states and 195 transitions. [2018-07-23 13:43:27,920 INFO L78 Accepts]: Start accepts. Automaton has 195 states and 195 transitions. Word has length 192 [2018-07-23 13:43:27,920 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-07-23 13:43:27,920 INFO L471 AbstractCegarLoop]: Abstraction has 195 states and 195 transitions. [2018-07-23 13:43:27,920 INFO L472 AbstractCegarLoop]: Interpolant automaton has 97 states. [2018-07-23 13:43:27,920 INFO L276 IsEmpty]: Start isEmpty. Operand 195 states and 195 transitions. [2018-07-23 13:43:27,921 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 195 [2018-07-23 13:43:27,921 INFO L349 BasicCegarLoop]: Found error trace [2018-07-23 13:43:27,921 INFO L357 BasicCegarLoop]: trace histogram [96, 95, 1, 1, 1] [2018-07-23 13:43:27,921 INFO L414 AbstractCegarLoop]: === Iteration 96 === [ULTIMATE.startErr0AssertViolationASSERT]=== [2018-07-23 13:43:27,921 INFO L82 PathProgramCache]: Analyzing trace with hash -561556855, now seen corresponding path program 95 times [2018-07-23 13:43:27,922 INFO L69 tionRefinementEngine]: Using refinement strategy FixedRefinementStrategy [2018-07-23 13:43:28,113 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-07-23 13:43:28,910 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 13:43:28,910 INFO L309 seRefinementStrategy]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2018-07-23 13:43:28,910 INFO L324 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [97] total 97 [2018-07-23 13:43:28,910 INFO L142 lantAutomatonBuilder]: Constructing canonical interpolant automaton, with selfloop in false state [2018-07-23 13:43:28,911 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 13:43:28,911 INFO L185 omatonBuilderFactory]: Interpolants [43529#true, 43530#false, 43531#(<= 1 (+ (* 94 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 43532#(<= 94 (+ (* 93 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 43533#(<= 186 (+ (* 92 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 43534#(<= 277 (+ (* 91 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 43535#(<= 367 (+ (* 90 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 43536#(<= 456 (+ (* 89 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 43537#(<= 544 (+ (* 88 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 43538#(<= 631 (+ (* 87 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 43539#(<= 717 (+ (* 86 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 43540#(<= 802 (+ (* 85 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 43541#(<= 886 (+ (* 84 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 43542#(<= 969 (+ (* 83 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 43543#(<= 1051 (+ (* 82 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 43544#(<= 1132 (+ (* 81 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 43545#(<= 1212 (+ (* 80 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 43546#(<= 1291 (+ (* 79 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 43547#(<= 1369 (+ (* 78 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 43548#(<= 1446 (+ (* 77 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 43549#(<= 1522 (+ (* 76 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 43550#(<= 1597 (+ (* 75 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 43551#(<= 1671 (+ (* 74 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 43552#(<= 1744 (+ (* 73 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 43553#(<= 1816 (+ (* 72 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 43554#(<= 1887 (+ (* 71 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 43555#(<= 1957 (+ (* 70 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 43556#(<= 2026 (+ (* 69 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 43557#(<= 2094 (+ (* 68 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 43558#(<= 2161 (+ (* 67 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 43559#(<= 2227 (+ (* 66 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 43560#(<= 2292 (+ (* 65 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 43561#(<= 2356 (+ (* 64 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 43562#(<= 2419 (+ (* 63 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 43563#(<= 2481 (+ (* 62 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 43564#(<= 2542 (+ (* 61 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 43565#(<= 2602 (+ (* 60 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 43566#(<= 2661 (+ (* 59 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 43567#(<= 2719 (+ (* 58 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 43568#(<= 2776 (+ (* 57 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 43569#(<= 2832 (+ (* 56 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 43570#(<= 2887 (+ (* 55 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 43571#(<= 2941 (+ (* 54 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 43572#(<= 2994 (+ (* 53 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 43573#(<= 3046 (+ (* 52 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 43574#(<= 3097 (+ (* 51 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 43575#(<= 3147 (+ (* 50 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 43576#(<= 3196 (+ (* 49 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 43577#(<= 3244 (+ (* 48 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 43578#(<= 3291 (+ (* 47 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 43579#(<= 3337 (+ (* 46 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 43580#(<= 3382 (+ (* 45 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 43581#(<= 3426 (+ (* 44 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 43582#(<= 3469 (+ (* 43 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 43583#(<= 3511 (+ (* 42 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 43584#(<= 3552 (+ (* 41 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 43585#(<= 3592 (+ (* 40 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 43586#(<= 3631 (+ (* 39 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 43587#(<= 3669 (+ (* 38 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 43588#(<= 3706 (+ (* 37 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 43589#(<= 3742 (+ (* 36 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 43590#(<= 3777 (+ (* 35 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 43591#(<= 3811 (+ (* 34 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 43592#(<= 3844 (+ (* 33 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 43593#(<= 3876 (+ (* 32 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 43594#(<= 3907 (+ (* 31 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 43595#(<= 3937 (+ (* 30 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 43596#(<= 3966 (+ (* 29 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 43597#(<= 3994 (+ (* 28 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 43598#(<= 4021 (+ (* 27 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 43599#(<= 4047 (+ (* 26 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 43600#(<= 4072 (+ (* 25 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 43601#(<= 4096 (+ (* 24 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 43602#(<= 4119 (+ (* 23 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 43603#(<= 4141 (+ (* 22 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 43604#(<= 4162 (+ (* 21 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 43605#(<= 4182 (+ (* 20 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 43606#(<= 4201 (+ (* 19 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 43607#(<= 4219 (+ (* 18 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 43608#(<= 4236 (+ (* 17 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 43609#(<= 4252 (+ (* 16 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 43610#(<= 4267 (+ (* 15 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 43611#(<= 4281 (+ (* 14 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 43612#(<= 4294 (+ (* 13 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 43613#(<= 4306 (+ (* 12 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 43614#(<= 4317 (+ (* 11 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 43615#(<= 4327 (+ (* 10 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 43616#(<= 4336 (+ (* 9 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 43617#(<= 4344 (+ (* 8 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 43618#(<= 4351 (+ (* 7 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 43619#(<= 4357 (+ (* 6 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 43620#(<= 4362 (+ (* 5 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 43621#(<= 4366 (+ (* 4 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 43622#(<= 4369 (+ (* 3 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 43623#(<= 4371 (+ (* 2 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 43624#(<= 4372 (+ ULTIMATE.start_main_~y~5 ULTIMATE.start_main_~x~5)), 43625#(<= 4372 ULTIMATE.start_main_~x~5), 43626#(<= (+ ULTIMATE.start_main_~y~5 4371) ULTIMATE.start_main_~x~5)] [2018-07-23 13:43:28,912 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 13:43:28,912 INFO L450 AbstractCegarLoop]: Interpolant automaton has 98 states [2018-07-23 13:43:28,912 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 98 interpolants. [2018-07-23 13:43:28,912 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=193, Invalid=9313, Unknown=0, NotChecked=0, Total=9506 [2018-07-23 13:43:28,913 INFO L87 Difference]: Start difference. First operand 195 states and 195 transitions. Second operand 98 states. [2018-07-23 13:43:30,513 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-07-23 13:43:30,513 INFO L93 Difference]: Finished difference Result 199 states and 199 transitions. [2018-07-23 13:43:30,513 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 98 states. [2018-07-23 13:43:30,513 INFO L78 Accepts]: Start accepts. Automaton has 98 states. Word has length 194 [2018-07-23 13:43:30,513 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-07-23 13:43:30,514 INFO L225 Difference]: With dead ends: 199 [2018-07-23 13:43:30,514 INFO L226 Difference]: Without dead ends: 197 [2018-07-23 13:43:30,515 INFO L575 BasicCegarLoop]: 0 DeclaredPredicates, 97 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 96 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.5s TimeCoverageRelationStatistics Valid=193, Invalid=9313, Unknown=0, NotChecked=0, Total=9506 [2018-07-23 13:43:30,515 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 197 states. [2018-07-23 13:43:30,583 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 197 to 197. [2018-07-23 13:43:30,583 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 197 states. [2018-07-23 13:43:30,583 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 197 states to 197 states and 197 transitions. [2018-07-23 13:43:30,584 INFO L78 Accepts]: Start accepts. Automaton has 197 states and 197 transitions. Word has length 194 [2018-07-23 13:43:30,584 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-07-23 13:43:30,584 INFO L471 AbstractCegarLoop]: Abstraction has 197 states and 197 transitions. [2018-07-23 13:43:30,584 INFO L472 AbstractCegarLoop]: Interpolant automaton has 98 states. [2018-07-23 13:43:30,584 INFO L276 IsEmpty]: Start isEmpty. Operand 197 states and 197 transitions. [2018-07-23 13:43:30,584 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 197 [2018-07-23 13:43:30,585 INFO L349 BasicCegarLoop]: Found error trace [2018-07-23 13:43:30,585 INFO L357 BasicCegarLoop]: trace histogram [97, 96, 1, 1, 1] [2018-07-23 13:43:30,585 INFO L414 AbstractCegarLoop]: === Iteration 97 === [ULTIMATE.startErr0AssertViolationASSERT]=== [2018-07-23 13:43:30,585 INFO L82 PathProgramCache]: Analyzing trace with hash 1509674629, now seen corresponding path program 96 times [2018-07-23 13:43:30,585 INFO L69 tionRefinementEngine]: Using refinement strategy FixedRefinementStrategy [2018-07-23 13:43:30,813 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-07-23 13:43:31,650 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 13:43:31,651 INFO L309 seRefinementStrategy]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2018-07-23 13:43:31,651 INFO L324 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [98] total 98 [2018-07-23 13:43:31,651 INFO L142 lantAutomatonBuilder]: Constructing canonical interpolant automaton, with selfloop in false state [2018-07-23 13:43:31,651 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-07-23 13:43:31,652 INFO L185 omatonBuilderFactory]: Interpolants [44419#true, 44420#false, 44421#(<= 1 (+ (* 95 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 44422#(<= 95 (+ (* 94 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 44423#(<= 188 (+ (* 93 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 44424#(<= 280 (+ (* 92 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 44425#(<= 371 (+ (* 91 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 44426#(<= 461 (+ (* 90 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 44427#(<= 550 (+ (* 89 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 44428#(<= 638 (+ (* 88 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 44429#(<= 725 (+ (* 87 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 44430#(<= 811 (+ (* 86 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 44431#(<= 896 (+ (* 85 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 44432#(<= 980 (+ (* 84 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 44433#(<= 1063 (+ (* 83 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 44434#(<= 1145 (+ (* 82 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 44435#(<= 1226 (+ (* 81 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 44436#(<= 1306 (+ (* 80 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 44437#(<= 1385 (+ (* 79 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 44438#(<= 1463 (+ (* 78 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 44439#(<= 1540 (+ (* 77 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 44440#(<= 1616 (+ (* 76 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 44441#(<= 1691 (+ (* 75 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 44442#(<= 1765 (+ (* 74 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 44443#(<= 1838 (+ (* 73 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 44444#(<= 1910 (+ (* 72 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 44445#(<= 1981 (+ (* 71 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 44446#(<= 2051 (+ (* 70 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 44447#(<= 2120 (+ (* 69 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 44448#(<= 2188 (+ (* 68 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 44449#(<= 2255 (+ (* 67 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 44450#(<= 2321 (+ (* 66 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 44451#(<= 2386 (+ (* 65 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 44452#(<= 2450 (+ (* 64 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 44453#(<= 2513 (+ (* 63 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 44454#(<= 2575 (+ (* 62 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 44455#(<= 2636 (+ (* 61 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 44456#(<= 2696 (+ (* 60 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 44457#(<= 2755 (+ (* 59 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 44458#(<= 2813 (+ (* 58 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 44459#(<= 2870 (+ (* 57 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 44460#(<= 2926 (+ (* 56 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 44461#(<= 2981 (+ (* 55 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 44462#(<= 3035 (+ (* 54 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 44463#(<= 3088 (+ (* 53 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 44464#(<= 3140 (+ (* 52 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 44465#(<= 3191 (+ (* 51 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 44466#(<= 3241 (+ (* 50 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 44467#(<= 3290 (+ (* 49 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 44468#(<= 3338 (+ (* 48 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 44469#(<= 3385 (+ (* 47 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 44470#(<= 3431 (+ (* 46 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 44471#(<= 3476 (+ (* 45 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 44472#(<= 3520 (+ (* 44 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 44473#(<= 3563 (+ (* 43 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 44474#(<= 3605 (+ (* 42 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 44475#(<= 3646 (+ (* 41 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 44476#(<= 3686 (+ (* 40 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 44477#(<= 3725 (+ (* 39 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 44478#(<= 3763 (+ (* 38 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 44479#(<= 3800 (+ (* 37 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 44480#(<= 3836 (+ (* 36 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 44481#(<= 3871 (+ (* 35 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 44482#(<= 3905 (+ (* 34 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 44483#(<= 3938 (+ (* 33 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 44484#(<= 3970 (+ (* 32 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 44485#(<= 4001 (+ (* 31 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 44486#(<= 4031 (+ (* 30 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 44487#(<= 4060 (+ (* 29 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 44488#(<= 4088 (+ (* 28 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 44489#(<= 4115 (+ (* 27 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 44490#(<= 4141 (+ (* 26 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 44491#(<= 4166 (+ (* 25 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 44492#(<= 4190 (+ (* 24 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 44493#(<= 4213 (+ (* 23 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 44494#(<= 4235 (+ (* 22 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 44495#(<= 4256 (+ (* 21 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 44496#(<= 4276 (+ (* 20 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 44497#(<= 4295 (+ (* 19 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 44498#(<= 4313 (+ (* 18 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 44499#(<= 4330 (+ (* 17 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 44500#(<= 4346 (+ (* 16 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 44501#(<= 4361 (+ (* 15 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 44502#(<= 4375 (+ (* 14 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 44503#(<= 4388 (+ (* 13 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 44504#(<= 4400 (+ (* 12 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 44505#(<= 4411 (+ (* 11 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 44506#(<= 4421 (+ (* 10 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 44507#(<= 4430 (+ (* 9 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 44508#(<= 4438 (+ (* 8 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 44509#(<= 4445 (+ (* 7 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 44510#(<= 4451 (+ (* 6 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 44511#(<= 4456 (+ (* 5 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 44512#(<= 4460 (+ (* 4 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 44513#(<= 4463 (+ (* 3 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 44514#(<= 4465 (+ (* 2 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 44515#(<= 4466 (+ ULTIMATE.start_main_~y~5 ULTIMATE.start_main_~x~5)), 44516#(<= 4466 ULTIMATE.start_main_~x~5), 44517#(<= (+ ULTIMATE.start_main_~y~5 4465) ULTIMATE.start_main_~x~5)] [2018-07-23 13:43:31,652 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 13:43:31,653 INFO L450 AbstractCegarLoop]: Interpolant automaton has 99 states [2018-07-23 13:43:31,653 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 99 interpolants. [2018-07-23 13:43:31,653 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=195, Invalid=9507, Unknown=0, NotChecked=0, Total=9702 [2018-07-23 13:43:31,654 INFO L87 Difference]: Start difference. First operand 197 states and 197 transitions. Second operand 99 states. [2018-07-23 13:43:33,308 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-07-23 13:43:33,308 INFO L93 Difference]: Finished difference Result 201 states and 201 transitions. [2018-07-23 13:43:33,308 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 99 states. [2018-07-23 13:43:33,308 INFO L78 Accepts]: Start accepts. Automaton has 99 states. Word has length 196 [2018-07-23 13:43:33,308 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-07-23 13:43:33,309 INFO L225 Difference]: With dead ends: 201 [2018-07-23 13:43:33,309 INFO L226 Difference]: Without dead ends: 199 [2018-07-23 13:43:33,310 INFO L575 BasicCegarLoop]: 0 DeclaredPredicates, 98 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 97 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.5s TimeCoverageRelationStatistics Valid=195, Invalid=9507, Unknown=0, NotChecked=0, Total=9702 [2018-07-23 13:43:33,310 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 199 states. [2018-07-23 13:43:33,374 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 199 to 199. [2018-07-23 13:43:33,374 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 199 states. [2018-07-23 13:43:33,374 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 199 states to 199 states and 199 transitions. [2018-07-23 13:43:33,375 INFO L78 Accepts]: Start accepts. Automaton has 199 states and 199 transitions. Word has length 196 [2018-07-23 13:43:33,375 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-07-23 13:43:33,375 INFO L471 AbstractCegarLoop]: Abstraction has 199 states and 199 transitions. [2018-07-23 13:43:33,375 INFO L472 AbstractCegarLoop]: Interpolant automaton has 99 states. [2018-07-23 13:43:33,375 INFO L276 IsEmpty]: Start isEmpty. Operand 199 states and 199 transitions. [2018-07-23 13:43:33,376 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 199 [2018-07-23 13:43:33,376 INFO L349 BasicCegarLoop]: Found error trace [2018-07-23 13:43:33,376 INFO L357 BasicCegarLoop]: trace histogram [98, 97, 1, 1, 1] [2018-07-23 13:43:33,377 INFO L414 AbstractCegarLoop]: === Iteration 98 === [ULTIMATE.startErr0AssertViolationASSERT]=== [2018-07-23 13:43:33,377 INFO L82 PathProgramCache]: Analyzing trace with hash -901694591, now seen corresponding path program 97 times [2018-07-23 13:43:33,377 INFO L69 tionRefinementEngine]: Using refinement strategy FixedRefinementStrategy [2018-07-23 13:43:33,554 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-07-23 13:43:34,390 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 13:43:34,391 INFO L309 seRefinementStrategy]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2018-07-23 13:43:34,391 INFO L324 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [99] total 99 [2018-07-23 13:43:34,391 INFO L142 lantAutomatonBuilder]: Constructing canonical interpolant automaton, with selfloop in false state [2018-07-23 13:43:34,391 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-07-23 13:43:34,392 INFO L185 omatonBuilderFactory]: Interpolants [45318#true, 45319#false, 45320#(<= 1 (+ (* 96 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 45321#(<= 96 (+ (* 95 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 45322#(<= 190 (+ (* 94 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 45323#(<= 283 (+ (* 93 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 45324#(<= 375 (+ (* 92 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 45325#(<= 466 (+ (* 91 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 45326#(<= 556 (+ (* 90 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 45327#(<= 645 (+ (* 89 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 45328#(<= 733 (+ (* 88 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 45329#(<= 820 (+ (* 87 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 45330#(<= 906 (+ (* 86 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 45331#(<= 991 (+ (* 85 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 45332#(<= 1075 (+ (* 84 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 45333#(<= 1158 (+ (* 83 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 45334#(<= 1240 (+ (* 82 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 45335#(<= 1321 (+ (* 81 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 45336#(<= 1401 (+ (* 80 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 45337#(<= 1480 (+ (* 79 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 45338#(<= 1558 (+ (* 78 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 45339#(<= 1635 (+ (* 77 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 45340#(<= 1711 (+ (* 76 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 45341#(<= 1786 (+ (* 75 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 45342#(<= 1860 (+ (* 74 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 45343#(<= 1933 (+ (* 73 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 45344#(<= 2005 (+ (* 72 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 45345#(<= 2076 (+ (* 71 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 45346#(<= 2146 (+ (* 70 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 45347#(<= 2215 (+ (* 69 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 45348#(<= 2283 (+ (* 68 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 45349#(<= 2350 (+ (* 67 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 45350#(<= 2416 (+ (* 66 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 45351#(<= 2481 (+ (* 65 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 45352#(<= 2545 (+ (* 64 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 45353#(<= 2608 (+ (* 63 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 45354#(<= 2670 (+ (* 62 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 45355#(<= 2731 (+ (* 61 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 45356#(<= 2791 (+ (* 60 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 45357#(<= 2850 (+ (* 59 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 45358#(<= 2908 (+ (* 58 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 45359#(<= 2965 (+ (* 57 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 45360#(<= 3021 (+ (* 56 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 45361#(<= 3076 (+ (* 55 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 45362#(<= 3130 (+ (* 54 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 45363#(<= 3183 (+ (* 53 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 45364#(<= 3235 (+ (* 52 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 45365#(<= 3286 (+ (* 51 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 45366#(<= 3336 (+ (* 50 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 45367#(<= 3385 (+ (* 49 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 45368#(<= 3433 (+ (* 48 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 45369#(<= 3480 (+ (* 47 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 45370#(<= 3526 (+ (* 46 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 45371#(<= 3571 (+ (* 45 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 45372#(<= 3615 (+ (* 44 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 45373#(<= 3658 (+ (* 43 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 45374#(<= 3700 (+ (* 42 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 45375#(<= 3741 (+ (* 41 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 45376#(<= 3781 (+ (* 40 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 45377#(<= 3820 (+ (* 39 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 45378#(<= 3858 (+ (* 38 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 45379#(<= 3895 (+ (* 37 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 45380#(<= 3931 (+ (* 36 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 45381#(<= 3966 (+ (* 35 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 45382#(<= 4000 (+ (* 34 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 45383#(<= 4033 (+ (* 33 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 45384#(<= 4065 (+ (* 32 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 45385#(<= 4096 (+ (* 31 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 45386#(<= 4126 (+ (* 30 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 45387#(<= 4155 (+ (* 29 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 45388#(<= 4183 (+ (* 28 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 45389#(<= 4210 (+ (* 27 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 45390#(<= 4236 (+ (* 26 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 45391#(<= 4261 (+ (* 25 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 45392#(<= 4285 (+ (* 24 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 45393#(<= 4308 (+ (* 23 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 45394#(<= 4330 (+ (* 22 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 45395#(<= 4351 (+ (* 21 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 45396#(<= 4371 (+ (* 20 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 45397#(<= 4390 (+ (* 19 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 45398#(<= 4408 (+ (* 18 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 45399#(<= 4425 (+ (* 17 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 45400#(<= 4441 (+ (* 16 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 45401#(<= 4456 (+ (* 15 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 45402#(<= 4470 (+ (* 14 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 45403#(<= 4483 (+ (* 13 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 45404#(<= 4495 (+ (* 12 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 45405#(<= 4506 (+ (* 11 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 45406#(<= 4516 (+ (* 10 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 45407#(<= 4525 (+ (* 9 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 45408#(<= 4533 (+ (* 8 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 45409#(<= 4540 (+ (* 7 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 45410#(<= 4546 (+ (* 6 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 45411#(<= 4551 (+ (* 5 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 45412#(<= 4555 (+ (* 4 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 45413#(<= 4558 (+ (* 3 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 45414#(<= 4560 (+ (* 2 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 45415#(<= 4561 (+ ULTIMATE.start_main_~y~5 ULTIMATE.start_main_~x~5)), 45416#(<= 4561 ULTIMATE.start_main_~x~5), 45417#(<= (+ ULTIMATE.start_main_~y~5 4560) ULTIMATE.start_main_~x~5)] [2018-07-23 13:43:34,392 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 13:43:34,392 INFO L450 AbstractCegarLoop]: Interpolant automaton has 100 states [2018-07-23 13:43:34,393 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 100 interpolants. [2018-07-23 13:43:34,393 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=197, Invalid=9703, Unknown=0, NotChecked=0, Total=9900 [2018-07-23 13:43:34,394 INFO L87 Difference]: Start difference. First operand 199 states and 199 transitions. Second operand 100 states. [2018-07-23 13:43:36,017 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-07-23 13:43:36,018 INFO L93 Difference]: Finished difference Result 203 states and 203 transitions. [2018-07-23 13:43:36,018 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 100 states. [2018-07-23 13:43:36,018 INFO L78 Accepts]: Start accepts. Automaton has 100 states. Word has length 198 [2018-07-23 13:43:36,018 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-07-23 13:43:36,019 INFO L225 Difference]: With dead ends: 203 [2018-07-23 13:43:36,019 INFO L226 Difference]: Without dead ends: 201 [2018-07-23 13:43:36,019 INFO L575 BasicCegarLoop]: 0 DeclaredPredicates, 99 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 98 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.5s TimeCoverageRelationStatistics Valid=197, Invalid=9703, Unknown=0, NotChecked=0, Total=9900 [2018-07-23 13:43:36,019 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 201 states. [2018-07-23 13:43:36,084 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 201 to 201. [2018-07-23 13:43:36,084 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 201 states. [2018-07-23 13:43:36,085 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 201 states to 201 states and 201 transitions. [2018-07-23 13:43:36,085 INFO L78 Accepts]: Start accepts. Automaton has 201 states and 201 transitions. Word has length 198 [2018-07-23 13:43:36,085 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-07-23 13:43:36,085 INFO L471 AbstractCegarLoop]: Abstraction has 201 states and 201 transitions. [2018-07-23 13:43:36,085 INFO L472 AbstractCegarLoop]: Interpolant automaton has 100 states. [2018-07-23 13:43:36,085 INFO L276 IsEmpty]: Start isEmpty. Operand 201 states and 201 transitions. [2018-07-23 13:43:36,086 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 201 [2018-07-23 13:43:36,086 INFO L349 BasicCegarLoop]: Found error trace [2018-07-23 13:43:36,086 INFO L357 BasicCegarLoop]: trace histogram [99, 98, 1, 1, 1] [2018-07-23 13:43:36,086 INFO L414 AbstractCegarLoop]: === Iteration 99 === [ULTIMATE.startErr0AssertViolationASSERT]=== [2018-07-23 13:43:36,086 INFO L82 PathProgramCache]: Analyzing trace with hash 1054824829, now seen corresponding path program 98 times [2018-07-23 13:43:36,087 INFO L69 tionRefinementEngine]: Using refinement strategy FixedRefinementStrategy [2018-07-23 13:43:36,269 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-07-23 13:43:37,120 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 13:43:37,120 INFO L309 seRefinementStrategy]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2018-07-23 13:43:37,120 INFO L324 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [100] total 100 [2018-07-23 13:43:37,121 INFO L142 lantAutomatonBuilder]: Constructing canonical interpolant automaton, with selfloop in false state [2018-07-23 13:43:37,121 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-07-23 13:43:37,121 INFO L185 omatonBuilderFactory]: Interpolants [46226#true, 46227#false, 46228#(<= 1 (+ (* 97 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 46229#(<= 97 (+ (* 96 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 46230#(<= 192 (+ (* 95 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 46231#(<= 286 (+ (* 94 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 46232#(<= 379 (+ (* 93 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 46233#(<= 471 (+ (* 92 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 46234#(<= 562 (+ (* 91 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 46235#(<= 652 (+ (* 90 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 46236#(<= 741 (+ (* 89 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 46237#(<= 829 (+ (* 88 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 46238#(<= 916 (+ (* 87 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 46239#(<= 1002 (+ (* 86 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 46240#(<= 1087 (+ (* 85 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 46241#(<= 1171 (+ (* 84 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 46242#(<= 1254 (+ (* 83 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 46243#(<= 1336 (+ (* 82 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 46244#(<= 1417 (+ (* 81 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 46245#(<= 1497 (+ (* 80 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 46246#(<= 1576 (+ (* 79 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 46247#(<= 1654 (+ (* 78 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 46248#(<= 1731 (+ (* 77 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 46249#(<= 1807 (+ (* 76 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 46250#(<= 1882 (+ (* 75 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 46251#(<= 1956 (+ (* 74 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 46252#(<= 2029 (+ (* 73 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 46253#(<= 2101 (+ (* 72 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 46254#(<= 2172 (+ (* 71 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 46255#(<= 2242 (+ (* 70 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 46256#(<= 2311 (+ (* 69 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 46257#(<= 2379 (+ (* 68 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 46258#(<= 2446 (+ (* 67 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 46259#(<= 2512 (+ (* 66 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 46260#(<= 2577 (+ (* 65 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 46261#(<= 2641 (+ (* 64 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 46262#(<= 2704 (+ (* 63 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 46263#(<= 2766 (+ (* 62 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 46264#(<= 2827 (+ (* 61 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 46265#(<= 2887 (+ (* 60 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 46266#(<= 2946 (+ (* 59 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 46267#(<= 3004 (+ (* 58 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 46268#(<= 3061 (+ (* 57 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 46269#(<= 3117 (+ (* 56 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 46270#(<= 3172 (+ (* 55 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 46271#(<= 3226 (+ (* 54 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 46272#(<= 3279 (+ (* 53 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 46273#(<= 3331 (+ (* 52 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 46274#(<= 3382 (+ (* 51 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 46275#(<= 3432 (+ (* 50 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 46276#(<= 3481 (+ (* 49 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 46277#(<= 3529 (+ (* 48 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 46278#(<= 3576 (+ (* 47 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 46279#(<= 3622 (+ (* 46 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 46280#(<= 3667 (+ (* 45 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 46281#(<= 3711 (+ (* 44 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 46282#(<= 3754 (+ (* 43 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 46283#(<= 3796 (+ (* 42 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 46284#(<= 3837 (+ (* 41 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 46285#(<= 3877 (+ (* 40 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 46286#(<= 3916 (+ (* 39 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 46287#(<= 3954 (+ (* 38 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 46288#(<= 3991 (+ (* 37 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 46289#(<= 4027 (+ (* 36 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 46290#(<= 4062 (+ (* 35 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 46291#(<= 4096 (+ (* 34 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 46292#(<= 4129 (+ (* 33 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 46293#(<= 4161 (+ (* 32 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 46294#(<= 4192 (+ (* 31 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 46295#(<= 4222 (+ (* 30 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 46296#(<= 4251 (+ (* 29 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 46297#(<= 4279 (+ (* 28 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 46298#(<= 4306 (+ (* 27 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 46299#(<= 4332 (+ (* 26 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 46300#(<= 4357 (+ (* 25 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 46301#(<= 4381 (+ (* 24 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 46302#(<= 4404 (+ (* 23 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 46303#(<= 4426 (+ (* 22 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 46304#(<= 4447 (+ (* 21 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 46305#(<= 4467 (+ (* 20 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 46306#(<= 4486 (+ (* 19 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 46307#(<= 4504 (+ (* 18 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 46308#(<= 4521 (+ (* 17 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 46309#(<= 4537 (+ (* 16 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 46310#(<= 4552 (+ (* 15 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 46311#(<= 4566 (+ (* 14 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 46312#(<= 4579 (+ (* 13 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 46313#(<= 4591 (+ (* 12 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 46314#(<= 4602 (+ (* 11 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 46315#(<= 4612 (+ (* 10 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 46316#(<= 4621 (+ (* 9 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 46317#(<= 4629 (+ (* 8 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 46318#(<= 4636 (+ (* 7 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 46319#(<= 4642 (+ (* 6 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 46320#(<= 4647 (+ (* 5 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 46321#(<= 4651 (+ (* 4 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 46322#(<= 4654 (+ (* 3 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 46323#(<= 4656 (+ (* 2 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 46324#(<= 4657 (+ ULTIMATE.start_main_~y~5 ULTIMATE.start_main_~x~5)), 46325#(<= 4657 ULTIMATE.start_main_~x~5), 46326#(<= (+ ULTIMATE.start_main_~y~5 4656) ULTIMATE.start_main_~x~5)] [2018-07-23 13:43:37,122 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 13:43:37,122 INFO L450 AbstractCegarLoop]: Interpolant automaton has 101 states [2018-07-23 13:43:37,122 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 101 interpolants. [2018-07-23 13:43:37,123 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=199, Invalid=9901, Unknown=0, NotChecked=0, Total=10100 [2018-07-23 13:43:37,123 INFO L87 Difference]: Start difference. First operand 201 states and 201 transitions. Second operand 101 states. [2018-07-23 13:43:38,819 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-07-23 13:43:38,820 INFO L93 Difference]: Finished difference Result 205 states and 205 transitions. [2018-07-23 13:43:38,820 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 101 states. [2018-07-23 13:43:38,820 INFO L78 Accepts]: Start accepts. Automaton has 101 states. Word has length 200 [2018-07-23 13:43:38,820 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-07-23 13:43:38,821 INFO L225 Difference]: With dead ends: 205 [2018-07-23 13:43:38,821 INFO L226 Difference]: Without dead ends: 203 [2018-07-23 13:43:38,822 INFO L575 BasicCegarLoop]: 0 DeclaredPredicates, 100 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 99 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.5s TimeCoverageRelationStatistics Valid=199, Invalid=9901, Unknown=0, NotChecked=0, Total=10100 [2018-07-23 13:43:38,823 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 203 states. [2018-07-23 13:43:38,904 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 203 to 203. [2018-07-23 13:43:38,904 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 203 states. [2018-07-23 13:43:38,904 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 203 states to 203 states and 203 transitions. [2018-07-23 13:43:38,905 INFO L78 Accepts]: Start accepts. Automaton has 203 states and 203 transitions. Word has length 200 [2018-07-23 13:43:38,905 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-07-23 13:43:38,905 INFO L471 AbstractCegarLoop]: Abstraction has 203 states and 203 transitions. [2018-07-23 13:43:38,905 INFO L472 AbstractCegarLoop]: Interpolant automaton has 101 states. [2018-07-23 13:43:38,905 INFO L276 IsEmpty]: Start isEmpty. Operand 203 states and 203 transitions. [2018-07-23 13:43:38,906 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 203 [2018-07-23 13:43:38,906 INFO L349 BasicCegarLoop]: Found error trace [2018-07-23 13:43:38,906 INFO L357 BasicCegarLoop]: trace histogram [100, 99, 1, 1, 1] [2018-07-23 13:43:38,907 INFO L414 AbstractCegarLoop]: === Iteration 100 === [ULTIMATE.startErr0AssertViolationASSERT]=== [2018-07-23 13:43:38,907 INFO L82 PathProgramCache]: Analyzing trace with hash 74311801, now seen corresponding path program 99 times [2018-07-23 13:43:38,907 INFO L69 tionRefinementEngine]: Using refinement strategy FixedRefinementStrategy [2018-07-23 13:43:39,091 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-07-23 13:43:39,954 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 13:43:39,954 INFO L309 seRefinementStrategy]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2018-07-23 13:43:39,954 INFO L324 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [101] total 101 [2018-07-23 13:43:39,955 INFO L142 lantAutomatonBuilder]: Constructing canonical interpolant automaton, with selfloop in false state [2018-07-23 13:43:39,955 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-07-23 13:43:39,955 INFO L185 omatonBuilderFactory]: Interpolants [47143#true, 47144#false, 47145#(<= 1 (+ (* 98 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 47146#(<= 98 (+ (* 97 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 47147#(<= 194 (+ (* 96 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 47148#(<= 289 (+ (* 95 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 47149#(<= 383 (+ (* 94 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 47150#(<= 476 (+ (* 93 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 47151#(<= 568 (+ (* 92 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 47152#(<= 659 (+ (* 91 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 47153#(<= 749 (+ (* 90 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 47154#(<= 838 (+ (* 89 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 47155#(<= 926 (+ (* 88 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 47156#(<= 1013 (+ (* 87 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 47157#(<= 1099 (+ (* 86 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 47158#(<= 1184 (+ (* 85 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 47159#(<= 1268 (+ (* 84 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 47160#(<= 1351 (+ (* 83 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 47161#(<= 1433 (+ (* 82 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 47162#(<= 1514 (+ (* 81 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 47163#(<= 1594 (+ (* 80 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 47164#(<= 1673 (+ (* 79 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 47165#(<= 1751 (+ (* 78 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 47166#(<= 1828 (+ (* 77 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 47167#(<= 1904 (+ (* 76 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 47168#(<= 1979 (+ (* 75 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 47169#(<= 2053 (+ (* 74 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 47170#(<= 2126 (+ (* 73 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 47171#(<= 2198 (+ (* 72 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 47172#(<= 2269 (+ (* 71 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 47173#(<= 2339 (+ (* 70 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 47174#(<= 2408 (+ (* 69 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 47175#(<= 2476 (+ (* 68 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 47176#(<= 2543 (+ (* 67 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 47177#(<= 2609 (+ (* 66 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 47178#(<= 2674 (+ (* 65 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 47179#(<= 2738 (+ (* 64 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 47180#(<= 2801 (+ (* 63 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 47181#(<= 2863 (+ (* 62 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 47182#(<= 2924 (+ (* 61 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 47183#(<= 2984 (+ (* 60 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 47184#(<= 3043 (+ (* 59 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 47185#(<= 3101 (+ (* 58 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 47186#(<= 3158 (+ (* 57 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 47187#(<= 3214 (+ (* 56 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 47188#(<= 3269 (+ (* 55 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 47189#(<= 3323 (+ (* 54 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 47190#(<= 3376 (+ (* 53 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 47191#(<= 3428 (+ (* 52 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 47192#(<= 3479 (+ (* 51 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 47193#(<= 3529 (+ (* 50 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 47194#(<= 3578 (+ (* 49 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 47195#(<= 3626 (+ (* 48 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 47196#(<= 3673 (+ (* 47 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 47197#(<= 3719 (+ (* 46 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 47198#(<= 3764 (+ (* 45 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 47199#(<= 3808 (+ (* 44 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 47200#(<= 3851 (+ (* 43 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 47201#(<= 3893 (+ (* 42 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 47202#(<= 3934 (+ (* 41 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 47203#(<= 3974 (+ (* 40 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 47204#(<= 4013 (+ (* 39 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 47205#(<= 4051 (+ (* 38 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 47206#(<= 4088 (+ (* 37 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 47207#(<= 4124 (+ (* 36 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 47208#(<= 4159 (+ (* 35 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 47209#(<= 4193 (+ (* 34 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 47210#(<= 4226 (+ (* 33 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 47211#(<= 4258 (+ (* 32 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 47212#(<= 4289 (+ (* 31 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 47213#(<= 4319 (+ (* 30 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 47214#(<= 4348 (+ (* 29 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 47215#(<= 4376 (+ (* 28 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 47216#(<= 4403 (+ (* 27 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 47217#(<= 4429 (+ (* 26 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 47218#(<= 4454 (+ (* 25 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 47219#(<= 4478 (+ (* 24 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 47220#(<= 4501 (+ (* 23 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 47221#(<= 4523 (+ (* 22 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 47222#(<= 4544 (+ (* 21 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 47223#(<= 4564 (+ (* 20 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 47224#(<= 4583 (+ (* 19 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 47225#(<= 4601 (+ (* 18 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 47226#(<= 4618 (+ (* 17 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 47227#(<= 4634 (+ (* 16 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 47228#(<= 4649 (+ (* 15 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 47229#(<= 4663 (+ (* 14 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 47230#(<= 4676 (+ (* 13 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 47231#(<= 4688 (+ (* 12 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 47232#(<= 4699 (+ (* 11 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 47233#(<= 4709 (+ (* 10 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 47234#(<= 4718 (+ (* 9 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 47235#(<= 4726 (+ (* 8 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 47236#(<= 4733 (+ (* 7 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 47237#(<= 4739 (+ (* 6 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 47238#(<= 4744 (+ (* 5 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 47239#(<= 4748 (+ (* 4 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 47240#(<= 4751 (+ (* 3 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 47241#(<= 4753 (+ (* 2 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 47242#(<= 4754 (+ ULTIMATE.start_main_~y~5 ULTIMATE.start_main_~x~5)), 47243#(<= 4754 ULTIMATE.start_main_~x~5), 47244#(<= (+ ULTIMATE.start_main_~y~5 4753) ULTIMATE.start_main_~x~5)] [2018-07-23 13:43:39,956 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 13:43:39,956 INFO L450 AbstractCegarLoop]: Interpolant automaton has 102 states [2018-07-23 13:43:39,956 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 102 interpolants. [2018-07-23 13:43:39,957 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=201, Invalid=10101, Unknown=0, NotChecked=0, Total=10302 [2018-07-23 13:43:39,957 INFO L87 Difference]: Start difference. First operand 203 states and 203 transitions. Second operand 102 states. [2018-07-23 13:43:41,653 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-07-23 13:43:41,653 INFO L93 Difference]: Finished difference Result 207 states and 207 transitions. [2018-07-23 13:43:41,653 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 102 states. [2018-07-23 13:43:41,653 INFO L78 Accepts]: Start accepts. Automaton has 102 states. Word has length 202 [2018-07-23 13:43:41,654 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-07-23 13:43:41,654 INFO L225 Difference]: With dead ends: 207 [2018-07-23 13:43:41,655 INFO L226 Difference]: Without dead ends: 205 [2018-07-23 13:43:41,656 INFO L575 BasicCegarLoop]: 0 DeclaredPredicates, 101 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 100 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.5s TimeCoverageRelationStatistics Valid=201, Invalid=10101, Unknown=0, NotChecked=0, Total=10302 [2018-07-23 13:43:41,656 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 205 states. [2018-07-23 13:43:41,727 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 205 to 205. [2018-07-23 13:43:41,727 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 205 states. [2018-07-23 13:43:41,727 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 205 states to 205 states and 205 transitions. [2018-07-23 13:43:41,727 INFO L78 Accepts]: Start accepts. Automaton has 205 states and 205 transitions. Word has length 202 [2018-07-23 13:43:41,728 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-07-23 13:43:41,728 INFO L471 AbstractCegarLoop]: Abstraction has 205 states and 205 transitions. [2018-07-23 13:43:41,728 INFO L472 AbstractCegarLoop]: Interpolant automaton has 102 states. [2018-07-23 13:43:41,728 INFO L276 IsEmpty]: Start isEmpty. Operand 205 states and 205 transitions. [2018-07-23 13:43:41,729 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 205 [2018-07-23 13:43:41,729 INFO L349 BasicCegarLoop]: Found error trace [2018-07-23 13:43:41,729 INFO L357 BasicCegarLoop]: trace histogram [101, 100, 1, 1, 1] [2018-07-23 13:43:41,729 INFO L414 AbstractCegarLoop]: === Iteration 101 === [ULTIMATE.startErr0AssertViolationASSERT]=== [2018-07-23 13:43:41,729 INFO L82 PathProgramCache]: Analyzing trace with hash -1600870283, now seen corresponding path program 100 times [2018-07-23 13:43:41,730 INFO L69 tionRefinementEngine]: Using refinement strategy FixedRefinementStrategy [2018-07-23 13:43:41,937 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-07-23 13:43:42,990 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 13:43:42,990 INFO L309 seRefinementStrategy]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2018-07-23 13:43:42,990 INFO L324 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [102] total 102 [2018-07-23 13:43:42,990 INFO L142 lantAutomatonBuilder]: Constructing canonical interpolant automaton, with selfloop in false state [2018-07-23 13:43:42,990 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-07-23 13:43:42,991 INFO L185 omatonBuilderFactory]: Interpolants [48128#(<= 3991 (+ (* 42 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 48129#(<= 4032 (+ (* 41 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 48130#(<= 4072 (+ (* 40 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 48131#(<= 4111 (+ (* 39 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 48132#(<= 4149 (+ (* 38 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 48133#(<= 4186 (+ (* 37 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 48134#(<= 4222 (+ (* 36 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 48135#(<= 4257 (+ (* 35 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 48136#(<= 4291 (+ (* 34 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 48137#(<= 4324 (+ (* 33 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 48138#(<= 4356 (+ (* 32 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 48139#(<= 4387 (+ (* 31 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 48140#(<= 4417 (+ (* 30 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 48141#(<= 4446 (+ (* 29 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 48142#(<= 4474 (+ (* 28 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 48143#(<= 4501 (+ (* 27 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 48144#(<= 4527 (+ (* 26 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 48145#(<= 4552 (+ (* 25 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 48146#(<= 4576 (+ (* 24 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 48147#(<= 4599 (+ (* 23 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 48148#(<= 4621 (+ (* 22 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 48149#(<= 4642 (+ (* 21 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 48150#(<= 4662 (+ (* 20 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 48151#(<= 4681 (+ (* 19 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 48152#(<= 4699 (+ (* 18 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 48153#(<= 4716 (+ (* 17 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 48154#(<= 4732 (+ (* 16 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 48155#(<= 4747 (+ (* 15 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 48156#(<= 4761 (+ (* 14 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 48157#(<= 4774 (+ (* 13 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 48158#(<= 4786 (+ (* 12 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 48159#(<= 4797 (+ (* 11 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 48160#(<= 4807 (+ (* 10 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 48161#(<= 4816 (+ (* 9 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 48162#(<= 4824 (+ (* 8 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 48163#(<= 4831 (+ (* 7 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 48164#(<= 4837 (+ (* 6 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 48165#(<= 4842 (+ (* 5 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 48166#(<= 4846 (+ (* 4 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 48167#(<= 4849 (+ (* 3 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 48168#(<= 4851 (+ (* 2 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 48169#(<= 4852 (+ ULTIMATE.start_main_~y~5 ULTIMATE.start_main_~x~5)), 48170#(<= 4852 ULTIMATE.start_main_~x~5), 48171#(<= (+ ULTIMATE.start_main_~y~5 4851) ULTIMATE.start_main_~x~5), 48069#true, 48070#false, 48071#(<= 1 (+ (* 99 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 48072#(<= 99 (+ (* 98 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 48073#(<= 196 (+ (* 97 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 48074#(<= 292 (+ (* 96 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 48075#(<= 387 (+ (* 95 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 48076#(<= 481 (+ (* 94 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 48077#(<= 574 (+ (* 93 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 48078#(<= 666 (+ (* 92 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 48079#(<= 757 (+ (* 91 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 48080#(<= 847 (+ (* 90 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 48081#(<= 936 (+ (* 89 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 48082#(<= 1024 (+ (* 88 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 48083#(<= 1111 (+ (* 87 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 48084#(<= 1197 (+ (* 86 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 48085#(<= 1282 (+ (* 85 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 48086#(<= 1366 (+ (* 84 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 48087#(<= 1449 (+ (* 83 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 48088#(<= 1531 (+ (* 82 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 48089#(<= 1612 (+ (* 81 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 48090#(<= 1692 (+ (* 80 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 48091#(<= 1771 (+ (* 79 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 48092#(<= 1849 (+ (* 78 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 48093#(<= 1926 (+ (* 77 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 48094#(<= 2002 (+ (* 76 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 48095#(<= 2077 (+ (* 75 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 48096#(<= 2151 (+ (* 74 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 48097#(<= 2224 (+ (* 73 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 48098#(<= 2296 (+ (* 72 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 48099#(<= 2367 (+ (* 71 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 48100#(<= 2437 (+ (* 70 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 48101#(<= 2506 (+ (* 69 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 48102#(<= 2574 (+ (* 68 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 48103#(<= 2641 (+ (* 67 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 48104#(<= 2707 (+ (* 66 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 48105#(<= 2772 (+ (* 65 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 48106#(<= 2836 (+ (* 64 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 48107#(<= 2899 (+ (* 63 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 48108#(<= 2961 (+ (* 62 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 48109#(<= 3022 (+ (* 61 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 48110#(<= 3082 (+ (* 60 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 48111#(<= 3141 (+ (* 59 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 48112#(<= 3199 (+ (* 58 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 48113#(<= 3256 (+ (* 57 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 48114#(<= 3312 (+ (* 56 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 48115#(<= 3367 (+ (* 55 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 48116#(<= 3421 (+ (* 54 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 48117#(<= 3474 (+ (* 53 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 48118#(<= 3526 (+ (* 52 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 48119#(<= 3577 (+ (* 51 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 48120#(<= 3627 (+ (* 50 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 48121#(<= 3676 (+ (* 49 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 48122#(<= 3724 (+ (* 48 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 48123#(<= 3771 (+ (* 47 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 48124#(<= 3817 (+ (* 46 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 48125#(<= 3862 (+ (* 45 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 48126#(<= 3906 (+ (* 44 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 48127#(<= 3949 (+ (* 43 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5))] [2018-07-23 13:43:42,991 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 13:43:42,991 INFO L450 AbstractCegarLoop]: Interpolant automaton has 103 states [2018-07-23 13:43:42,992 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 103 interpolants. [2018-07-23 13:43:42,992 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=203, Invalid=10303, Unknown=0, NotChecked=0, Total=10506 [2018-07-23 13:43:42,992 INFO L87 Difference]: Start difference. First operand 205 states and 205 transitions. Second operand 103 states. [2018-07-23 13:43:44,619 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-07-23 13:43:44,620 INFO L93 Difference]: Finished difference Result 209 states and 209 transitions. [2018-07-23 13:43:44,620 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 103 states. [2018-07-23 13:43:44,620 INFO L78 Accepts]: Start accepts. Automaton has 103 states. Word has length 204 [2018-07-23 13:43:44,620 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-07-23 13:43:44,621 INFO L225 Difference]: With dead ends: 209 [2018-07-23 13:43:44,621 INFO L226 Difference]: Without dead ends: 207 [2018-07-23 13:43:44,622 INFO L575 BasicCegarLoop]: 0 DeclaredPredicates, 102 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 101 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.7s TimeCoverageRelationStatistics Valid=203, Invalid=10303, Unknown=0, NotChecked=0, Total=10506 [2018-07-23 13:43:44,622 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 207 states. [2018-07-23 13:43:44,703 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 207 to 207. [2018-07-23 13:43:44,703 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 207 states. [2018-07-23 13:43:44,704 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 207 states to 207 states and 207 transitions. [2018-07-23 13:43:44,704 INFO L78 Accepts]: Start accepts. Automaton has 207 states and 207 transitions. Word has length 204 [2018-07-23 13:43:44,704 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-07-23 13:43:44,704 INFO L471 AbstractCegarLoop]: Abstraction has 207 states and 207 transitions. [2018-07-23 13:43:44,704 INFO L472 AbstractCegarLoop]: Interpolant automaton has 103 states. [2018-07-23 13:43:44,704 INFO L276 IsEmpty]: Start isEmpty. Operand 207 states and 207 transitions. [2018-07-23 13:43:44,705 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 207 [2018-07-23 13:43:44,705 INFO L349 BasicCegarLoop]: Found error trace [2018-07-23 13:43:44,705 INFO L357 BasicCegarLoop]: trace histogram [102, 101, 1, 1, 1] [2018-07-23 13:43:44,705 INFO L414 AbstractCegarLoop]: === Iteration 102 === [ULTIMATE.startErr0AssertViolationASSERT]=== [2018-07-23 13:43:44,706 INFO L82 PathProgramCache]: Analyzing trace with hash -838117007, now seen corresponding path program 101 times [2018-07-23 13:43:44,706 INFO L69 tionRefinementEngine]: Using refinement strategy FixedRefinementStrategy [2018-07-23 13:43:44,909 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-07-23 13:43:45,805 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 13:43:45,806 INFO L309 seRefinementStrategy]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2018-07-23 13:43:45,806 INFO L324 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [103] total 103 [2018-07-23 13:43:45,806 INFO L142 lantAutomatonBuilder]: Constructing canonical interpolant automaton, with selfloop in false state [2018-07-23 13:43:45,806 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-07-23 13:43:45,807 INFO L185 omatonBuilderFactory]: Interpolants [49004#true, 49005#false, 49006#(<= 1 (+ (* 100 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 49007#(<= 100 (+ (* 99 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 49008#(<= 198 (+ (* 98 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 49009#(<= 295 (+ (* 97 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 49010#(<= 391 (+ (* 96 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 49011#(<= 486 (+ (* 95 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 49012#(<= 580 (+ (* 94 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 49013#(<= 673 (+ (* 93 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 49014#(<= 765 (+ (* 92 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 49015#(<= 856 (+ (* 91 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 49016#(<= 946 (+ (* 90 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 49017#(<= 1035 (+ (* 89 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 49018#(<= 1123 (+ (* 88 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 49019#(<= 1210 (+ (* 87 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 49020#(<= 1296 (+ (* 86 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 49021#(<= 1381 (+ (* 85 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 49022#(<= 1465 (+ (* 84 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 49023#(<= 1548 (+ (* 83 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 49024#(<= 1630 (+ (* 82 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 49025#(<= 1711 (+ (* 81 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 49026#(<= 1791 (+ (* 80 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 49027#(<= 1870 (+ (* 79 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 49028#(<= 1948 (+ (* 78 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 49029#(<= 2025 (+ (* 77 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 49030#(<= 2101 (+ (* 76 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 49031#(<= 2176 (+ (* 75 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 49032#(<= 2250 (+ (* 74 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 49033#(<= 2323 (+ (* 73 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 49034#(<= 2395 (+ (* 72 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 49035#(<= 2466 (+ (* 71 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 49036#(<= 2536 (+ (* 70 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 49037#(<= 2605 (+ (* 69 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 49038#(<= 2673 (+ (* 68 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 49039#(<= 2740 (+ (* 67 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 49040#(<= 2806 (+ (* 66 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 49041#(<= 2871 (+ (* 65 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 49042#(<= 2935 (+ (* 64 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 49043#(<= 2998 (+ (* 63 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 49044#(<= 3060 (+ (* 62 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 49045#(<= 3121 (+ (* 61 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 49046#(<= 3181 (+ (* 60 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 49047#(<= 3240 (+ (* 59 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 49048#(<= 3298 (+ (* 58 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 49049#(<= 3355 (+ (* 57 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 49050#(<= 3411 (+ (* 56 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 49051#(<= 3466 (+ (* 55 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 49052#(<= 3520 (+ (* 54 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 49053#(<= 3573 (+ (* 53 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 49054#(<= 3625 (+ (* 52 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 49055#(<= 3676 (+ (* 51 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 49056#(<= 3726 (+ (* 50 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 49057#(<= 3775 (+ (* 49 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 49058#(<= 3823 (+ (* 48 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 49059#(<= 3870 (+ (* 47 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 49060#(<= 3916 (+ (* 46 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 49061#(<= 3961 (+ (* 45 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 49062#(<= 4005 (+ (* 44 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 49063#(<= 4048 (+ (* 43 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 49064#(<= 4090 (+ (* 42 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 49065#(<= 4131 (+ (* 41 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 49066#(<= 4171 (+ (* 40 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 49067#(<= 4210 (+ (* 39 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 49068#(<= 4248 (+ (* 38 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 49069#(<= 4285 (+ (* 37 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 49070#(<= 4321 (+ (* 36 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 49071#(<= 4356 (+ (* 35 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 49072#(<= 4390 (+ (* 34 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 49073#(<= 4423 (+ (* 33 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 49074#(<= 4455 (+ (* 32 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 49075#(<= 4486 (+ (* 31 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 49076#(<= 4516 (+ (* 30 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 49077#(<= 4545 (+ (* 29 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 49078#(<= 4573 (+ (* 28 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 49079#(<= 4600 (+ (* 27 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 49080#(<= 4626 (+ (* 26 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 49081#(<= 4651 (+ (* 25 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 49082#(<= 4675 (+ (* 24 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 49083#(<= 4698 (+ (* 23 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 49084#(<= 4720 (+ (* 22 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 49085#(<= 4741 (+ (* 21 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 49086#(<= 4761 (+ (* 20 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 49087#(<= 4780 (+ (* 19 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 49088#(<= 4798 (+ (* 18 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 49089#(<= 4815 (+ (* 17 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 49090#(<= 4831 (+ (* 16 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 49091#(<= 4846 (+ (* 15 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 49092#(<= 4860 (+ (* 14 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 49093#(<= 4873 (+ (* 13 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 49094#(<= 4885 (+ (* 12 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 49095#(<= 4896 (+ (* 11 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 49096#(<= 4906 (+ (* 10 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 49097#(<= 4915 (+ (* 9 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 49098#(<= 4923 (+ (* 8 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 49099#(<= 4930 (+ (* 7 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 49100#(<= 4936 (+ (* 6 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 49101#(<= 4941 (+ (* 5 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 49102#(<= 4945 (+ (* 4 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 49103#(<= 4948 (+ (* 3 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 49104#(<= 4950 (+ (* 2 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 49105#(<= 4951 (+ ULTIMATE.start_main_~y~5 ULTIMATE.start_main_~x~5)), 49106#(<= 4951 ULTIMATE.start_main_~x~5), 49107#(<= (+ ULTIMATE.start_main_~y~5 4950) ULTIMATE.start_main_~x~5)] [2018-07-23 13:43:45,808 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 13:43:45,808 INFO L450 AbstractCegarLoop]: Interpolant automaton has 104 states [2018-07-23 13:43:45,808 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 104 interpolants. [2018-07-23 13:43:45,809 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=205, Invalid=10507, Unknown=0, NotChecked=0, Total=10712 [2018-07-23 13:43:45,809 INFO L87 Difference]: Start difference. First operand 207 states and 207 transitions. Second operand 104 states. [2018-07-23 13:43:47,613 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-07-23 13:43:47,613 INFO L93 Difference]: Finished difference Result 211 states and 211 transitions. [2018-07-23 13:43:47,613 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 104 states. [2018-07-23 13:43:47,613 INFO L78 Accepts]: Start accepts. Automaton has 104 states. Word has length 206 [2018-07-23 13:43:47,614 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-07-23 13:43:47,614 INFO L225 Difference]: With dead ends: 211 [2018-07-23 13:43:47,614 INFO L226 Difference]: Without dead ends: 209 [2018-07-23 13:43:47,615 INFO L575 BasicCegarLoop]: 0 DeclaredPredicates, 103 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 102 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.6s TimeCoverageRelationStatistics Valid=205, Invalid=10507, Unknown=0, NotChecked=0, Total=10712 [2018-07-23 13:43:47,616 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 209 states. [2018-07-23 13:43:47,689 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 209 to 209. [2018-07-23 13:43:47,689 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 209 states. [2018-07-23 13:43:47,689 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 209 states to 209 states and 209 transitions. [2018-07-23 13:43:47,689 INFO L78 Accepts]: Start accepts. Automaton has 209 states and 209 transitions. Word has length 206 [2018-07-23 13:43:47,689 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-07-23 13:43:47,690 INFO L471 AbstractCegarLoop]: Abstraction has 209 states and 209 transitions. [2018-07-23 13:43:47,690 INFO L472 AbstractCegarLoop]: Interpolant automaton has 104 states. [2018-07-23 13:43:47,690 INFO L276 IsEmpty]: Start isEmpty. Operand 209 states and 209 transitions. [2018-07-23 13:43:47,690 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 209 [2018-07-23 13:43:47,690 INFO L349 BasicCegarLoop]: Found error trace [2018-07-23 13:43:47,690 INFO L357 BasicCegarLoop]: trace histogram [103, 102, 1, 1, 1] [2018-07-23 13:43:47,691 INFO L414 AbstractCegarLoop]: === Iteration 103 === [ULTIMATE.startErr0AssertViolationASSERT]=== [2018-07-23 13:43:47,691 INFO L82 PathProgramCache]: Analyzing trace with hash 2023340909, now seen corresponding path program 102 times [2018-07-23 13:43:47,691 INFO L69 tionRefinementEngine]: Using refinement strategy FixedRefinementStrategy [2018-07-23 13:43:47,928 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-07-23 13:43:48,809 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 13:43:48,809 INFO L309 seRefinementStrategy]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2018-07-23 13:43:48,809 INFO L324 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [104] total 104 [2018-07-23 13:43:48,809 INFO L142 lantAutomatonBuilder]: Constructing canonical interpolant automaton, with selfloop in false state [2018-07-23 13:43:48,810 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-07-23 13:43:48,810 INFO L185 omatonBuilderFactory]: Interpolants [49948#true, 49949#false, 49950#(<= 1 (+ (* 101 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 49951#(<= 101 (+ (* 100 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 49952#(<= 200 (+ (* 99 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 49953#(<= 298 (+ (* 98 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 49954#(<= 395 (+ (* 97 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 49955#(<= 491 (+ (* 96 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 49956#(<= 586 (+ (* 95 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 49957#(<= 680 (+ (* 94 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 49958#(<= 773 (+ (* 93 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 49959#(<= 865 (+ (* 92 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 49960#(<= 956 (+ (* 91 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 49961#(<= 1046 (+ (* 90 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 49962#(<= 1135 (+ (* 89 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 49963#(<= 1223 (+ (* 88 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 49964#(<= 1310 (+ (* 87 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 49965#(<= 1396 (+ (* 86 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 49966#(<= 1481 (+ (* 85 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 49967#(<= 1565 (+ (* 84 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 49968#(<= 1648 (+ (* 83 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 49969#(<= 1730 (+ (* 82 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 49970#(<= 1811 (+ (* 81 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 49971#(<= 1891 (+ (* 80 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 49972#(<= 1970 (+ (* 79 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 49973#(<= 2048 (+ (* 78 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 49974#(<= 2125 (+ (* 77 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 49975#(<= 2201 (+ (* 76 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 49976#(<= 2276 (+ (* 75 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 49977#(<= 2350 (+ (* 74 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 49978#(<= 2423 (+ (* 73 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 49979#(<= 2495 (+ (* 72 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 49980#(<= 2566 (+ (* 71 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 49981#(<= 2636 (+ (* 70 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 49982#(<= 2705 (+ (* 69 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 49983#(<= 2773 (+ (* 68 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 49984#(<= 2840 (+ (* 67 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 49985#(<= 2906 (+ (* 66 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 49986#(<= 2971 (+ (* 65 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 49987#(<= 3035 (+ (* 64 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 49988#(<= 3098 (+ (* 63 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 49989#(<= 3160 (+ (* 62 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 49990#(<= 3221 (+ (* 61 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 49991#(<= 3281 (+ (* 60 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 49992#(<= 3340 (+ (* 59 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 49993#(<= 3398 (+ (* 58 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 49994#(<= 3455 (+ (* 57 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 49995#(<= 3511 (+ (* 56 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 49996#(<= 3566 (+ (* 55 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 49997#(<= 3620 (+ (* 54 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 49998#(<= 3673 (+ (* 53 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 49999#(<= 3725 (+ (* 52 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 50000#(<= 3776 (+ (* 51 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 50001#(<= 3826 (+ (* 50 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 50002#(<= 3875 (+ (* 49 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 50003#(<= 3923 (+ (* 48 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 50004#(<= 3970 (+ (* 47 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 50005#(<= 4016 (+ (* 46 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 50006#(<= 4061 (+ (* 45 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 50007#(<= 4105 (+ (* 44 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 50008#(<= 4148 (+ (* 43 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 50009#(<= 4190 (+ (* 42 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 50010#(<= 4231 (+ (* 41 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 50011#(<= 4271 (+ (* 40 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 50012#(<= 4310 (+ (* 39 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 50013#(<= 4348 (+ (* 38 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 50014#(<= 4385 (+ (* 37 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 50015#(<= 4421 (+ (* 36 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 50016#(<= 4456 (+ (* 35 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 50017#(<= 4490 (+ (* 34 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 50018#(<= 4523 (+ (* 33 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 50019#(<= 4555 (+ (* 32 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 50020#(<= 4586 (+ (* 31 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 50021#(<= 4616 (+ (* 30 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 50022#(<= 4645 (+ (* 29 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 50023#(<= 4673 (+ (* 28 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 50024#(<= 4700 (+ (* 27 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 50025#(<= 4726 (+ (* 26 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 50026#(<= 4751 (+ (* 25 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 50027#(<= 4775 (+ (* 24 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 50028#(<= 4798 (+ (* 23 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 50029#(<= 4820 (+ (* 22 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 50030#(<= 4841 (+ (* 21 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 50031#(<= 4861 (+ (* 20 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 50032#(<= 4880 (+ (* 19 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 50033#(<= 4898 (+ (* 18 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 50034#(<= 4915 (+ (* 17 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 50035#(<= 4931 (+ (* 16 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 50036#(<= 4946 (+ (* 15 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 50037#(<= 4960 (+ (* 14 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 50038#(<= 4973 (+ (* 13 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 50039#(<= 4985 (+ (* 12 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 50040#(<= 4996 (+ (* 11 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 50041#(<= 5006 (+ (* 10 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 50042#(<= 5015 (+ (* 9 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 50043#(<= 5023 (+ (* 8 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 50044#(<= 5030 (+ (* 7 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 50045#(<= 5036 (+ (* 6 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 50046#(<= 5041 (+ (* 5 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 50047#(<= 5045 (+ (* 4 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 50048#(<= 5048 (+ (* 3 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 50049#(<= 5050 (+ (* 2 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 50050#(<= 5051 (+ ULTIMATE.start_main_~y~5 ULTIMATE.start_main_~x~5)), 50051#(<= 5051 ULTIMATE.start_main_~x~5), 50052#(<= (+ ULTIMATE.start_main_~y~5 5050) ULTIMATE.start_main_~x~5)] [2018-07-23 13:43:48,811 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 13:43:48,811 INFO L450 AbstractCegarLoop]: Interpolant automaton has 105 states [2018-07-23 13:43:48,811 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 105 interpolants. [2018-07-23 13:43:48,812 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=207, Invalid=10713, Unknown=0, NotChecked=0, Total=10920 [2018-07-23 13:43:48,812 INFO L87 Difference]: Start difference. First operand 209 states and 209 transitions. Second operand 105 states. [2018-07-23 13:43:50,624 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-07-23 13:43:50,625 INFO L93 Difference]: Finished difference Result 213 states and 213 transitions. [2018-07-23 13:43:50,625 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 105 states. [2018-07-23 13:43:50,625 INFO L78 Accepts]: Start accepts. Automaton has 105 states. Word has length 208 [2018-07-23 13:43:50,625 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-07-23 13:43:50,626 INFO L225 Difference]: With dead ends: 213 [2018-07-23 13:43:50,626 INFO L226 Difference]: Without dead ends: 211 [2018-07-23 13:43:50,627 INFO L575 BasicCegarLoop]: 0 DeclaredPredicates, 104 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 103 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.6s TimeCoverageRelationStatistics Valid=207, Invalid=10713, Unknown=0, NotChecked=0, Total=10920 [2018-07-23 13:43:50,627 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 211 states. [2018-07-23 13:43:50,704 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 211 to 211. [2018-07-23 13:43:50,704 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 211 states. [2018-07-23 13:43:50,705 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 211 states to 211 states and 211 transitions. [2018-07-23 13:43:50,705 INFO L78 Accepts]: Start accepts. Automaton has 211 states and 211 transitions. Word has length 208 [2018-07-23 13:43:50,705 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-07-23 13:43:50,705 INFO L471 AbstractCegarLoop]: Abstraction has 211 states and 211 transitions. [2018-07-23 13:43:50,705 INFO L472 AbstractCegarLoop]: Interpolant automaton has 105 states. [2018-07-23 13:43:50,705 INFO L276 IsEmpty]: Start isEmpty. Operand 211 states and 211 transitions. [2018-07-23 13:43:50,706 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 211 [2018-07-23 13:43:50,706 INFO L349 BasicCegarLoop]: Found error trace [2018-07-23 13:43:50,706 INFO L357 BasicCegarLoop]: trace histogram [104, 103, 1, 1, 1] [2018-07-23 13:43:50,707 INFO L414 AbstractCegarLoop]: === Iteration 104 === [ULTIMATE.startErr0AssertViolationASSERT]=== [2018-07-23 13:43:50,707 INFO L82 PathProgramCache]: Analyzing trace with hash -1189638551, now seen corresponding path program 103 times [2018-07-23 13:43:50,707 INFO L69 tionRefinementEngine]: Using refinement strategy FixedRefinementStrategy [2018-07-23 13:43:50,927 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-07-23 13:43:51,892 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 13:43:51,893 INFO L309 seRefinementStrategy]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2018-07-23 13:43:51,893 INFO L324 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [105] total 105 [2018-07-23 13:43:51,893 INFO L142 lantAutomatonBuilder]: Constructing canonical interpolant automaton, with selfloop in false state [2018-07-23 13:43:51,893 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-07-23 13:43:51,894 INFO L185 omatonBuilderFactory]: Interpolants [50944#(<= 3322 (+ (* 61 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 50945#(<= 3382 (+ (* 60 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 50946#(<= 3441 (+ (* 59 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 50947#(<= 3499 (+ (* 58 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 50948#(<= 3556 (+ (* 57 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 50949#(<= 3612 (+ (* 56 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 50950#(<= 3667 (+ (* 55 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 50951#(<= 3721 (+ (* 54 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 50952#(<= 3774 (+ (* 53 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 50953#(<= 3826 (+ (* 52 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 50954#(<= 3877 (+ (* 51 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 50955#(<= 3927 (+ (* 50 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 50956#(<= 3976 (+ (* 49 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 50957#(<= 4024 (+ (* 48 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 50958#(<= 4071 (+ (* 47 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 50959#(<= 4117 (+ (* 46 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 50960#(<= 4162 (+ (* 45 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 50961#(<= 4206 (+ (* 44 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 50962#(<= 4249 (+ (* 43 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 50963#(<= 4291 (+ (* 42 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 50964#(<= 4332 (+ (* 41 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 50965#(<= 4372 (+ (* 40 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 50966#(<= 4411 (+ (* 39 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 50967#(<= 4449 (+ (* 38 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 50968#(<= 4486 (+ (* 37 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 50969#(<= 4522 (+ (* 36 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 50970#(<= 4557 (+ (* 35 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 50971#(<= 4591 (+ (* 34 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 50972#(<= 4624 (+ (* 33 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 50973#(<= 4656 (+ (* 32 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 50974#(<= 4687 (+ (* 31 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 50975#(<= 4717 (+ (* 30 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 50976#(<= 4746 (+ (* 29 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 50977#(<= 4774 (+ (* 28 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 50978#(<= 4801 (+ (* 27 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 50979#(<= 4827 (+ (* 26 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 50980#(<= 4852 (+ (* 25 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 50981#(<= 4876 (+ (* 24 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 50982#(<= 4899 (+ (* 23 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 50983#(<= 4921 (+ (* 22 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 50984#(<= 4942 (+ (* 21 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 50985#(<= 4962 (+ (* 20 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 50986#(<= 4981 (+ (* 19 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 50987#(<= 4999 (+ (* 18 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 50988#(<= 5016 (+ (* 17 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 50989#(<= 5032 (+ (* 16 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 50990#(<= 5047 (+ (* 15 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 50991#(<= 5061 (+ (* 14 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 50992#(<= 5074 (+ (* 13 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 50993#(<= 5086 (+ (* 12 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 50994#(<= 5097 (+ (* 11 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 50995#(<= 5107 (+ (* 10 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 50996#(<= 5116 (+ (* 9 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 50997#(<= 5124 (+ (* 8 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 50998#(<= 5131 (+ (* 7 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 50999#(<= 5137 (+ (* 6 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 51000#(<= 5142 (+ (* 5 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 51001#(<= 5146 (+ (* 4 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 51002#(<= 5149 (+ (* 3 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 51003#(<= 5151 (+ (* 2 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 51004#(<= 5152 (+ ULTIMATE.start_main_~y~5 ULTIMATE.start_main_~x~5)), 51005#(<= 5152 ULTIMATE.start_main_~x~5), 51006#(<= (+ ULTIMATE.start_main_~y~5 5151) ULTIMATE.start_main_~x~5), 50901#true, 50902#false, 50903#(<= 1 (+ (* 102 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 50904#(<= 102 (+ (* 101 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 50905#(<= 202 (+ (* 100 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 50906#(<= 301 (+ (* 99 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 50907#(<= 399 (+ (* 98 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 50908#(<= 496 (+ (* 97 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 50909#(<= 592 (+ (* 96 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 50910#(<= 687 (+ (* 95 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 50911#(<= 781 (+ (* 94 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 50912#(<= 874 (+ (* 93 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 50913#(<= 966 (+ (* 92 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 50914#(<= 1057 (+ (* 91 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 50915#(<= 1147 (+ (* 90 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 50916#(<= 1236 (+ (* 89 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 50917#(<= 1324 (+ (* 88 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 50918#(<= 1411 (+ (* 87 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 50919#(<= 1497 (+ (* 86 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 50920#(<= 1582 (+ (* 85 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 50921#(<= 1666 (+ (* 84 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 50922#(<= 1749 (+ (* 83 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 50923#(<= 1831 (+ (* 82 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 50924#(<= 1912 (+ (* 81 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 50925#(<= 1992 (+ (* 80 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 50926#(<= 2071 (+ (* 79 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 50927#(<= 2149 (+ (* 78 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 50928#(<= 2226 (+ (* 77 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 50929#(<= 2302 (+ (* 76 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 50930#(<= 2377 (+ (* 75 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 50931#(<= 2451 (+ (* 74 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 50932#(<= 2524 (+ (* 73 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 50933#(<= 2596 (+ (* 72 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 50934#(<= 2667 (+ (* 71 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 50935#(<= 2737 (+ (* 70 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 50936#(<= 2806 (+ (* 69 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 50937#(<= 2874 (+ (* 68 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 50938#(<= 2941 (+ (* 67 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 50939#(<= 3007 (+ (* 66 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 50940#(<= 3072 (+ (* 65 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 50941#(<= 3136 (+ (* 64 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 50942#(<= 3199 (+ (* 63 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 50943#(<= 3261 (+ (* 62 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5))] [2018-07-23 13:43:51,894 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 13:43:51,894 INFO L450 AbstractCegarLoop]: Interpolant automaton has 106 states [2018-07-23 13:43:51,895 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 106 interpolants. [2018-07-23 13:43:51,895 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=209, Invalid=10921, Unknown=0, NotChecked=0, Total=11130 [2018-07-23 13:43:51,895 INFO L87 Difference]: Start difference. First operand 211 states and 211 transitions. Second operand 106 states. [2018-07-23 13:43:53,586 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-07-23 13:43:53,586 INFO L93 Difference]: Finished difference Result 215 states and 215 transitions. [2018-07-23 13:43:53,586 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 106 states. [2018-07-23 13:43:53,586 INFO L78 Accepts]: Start accepts. Automaton has 106 states. Word has length 210 [2018-07-23 13:43:53,587 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-07-23 13:43:53,587 INFO L225 Difference]: With dead ends: 215 [2018-07-23 13:43:53,588 INFO L226 Difference]: Without dead ends: 213 [2018-07-23 13:43:53,588 INFO L575 BasicCegarLoop]: 0 DeclaredPredicates, 105 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 104 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.6s TimeCoverageRelationStatistics Valid=209, Invalid=10921, Unknown=0, NotChecked=0, Total=11130 [2018-07-23 13:43:53,589 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 213 states. [2018-07-23 13:43:53,676 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 213 to 213. [2018-07-23 13:43:53,676 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 213 states. [2018-07-23 13:43:53,676 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 213 states to 213 states and 213 transitions. [2018-07-23 13:43:53,677 INFO L78 Accepts]: Start accepts. Automaton has 213 states and 213 transitions. Word has length 210 [2018-07-23 13:43:53,677 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-07-23 13:43:53,677 INFO L471 AbstractCegarLoop]: Abstraction has 213 states and 213 transitions. [2018-07-23 13:43:53,677 INFO L472 AbstractCegarLoop]: Interpolant automaton has 106 states. [2018-07-23 13:43:53,677 INFO L276 IsEmpty]: Start isEmpty. Operand 213 states and 213 transitions. [2018-07-23 13:43:53,678 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 213 [2018-07-23 13:43:53,678 INFO L349 BasicCegarLoop]: Found error trace [2018-07-23 13:43:53,678 INFO L357 BasicCegarLoop]: trace histogram [105, 104, 1, 1, 1] [2018-07-23 13:43:53,678 INFO L414 AbstractCegarLoop]: === Iteration 105 === [ULTIMATE.startErr0AssertViolationASSERT]=== [2018-07-23 13:43:53,679 INFO L82 PathProgramCache]: Analyzing trace with hash -781413787, now seen corresponding path program 104 times [2018-07-23 13:43:53,679 INFO L69 tionRefinementEngine]: Using refinement strategy FixedRefinementStrategy [2018-07-23 13:43:53,944 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-07-23 13:43:54,893 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 13:43:54,893 INFO L309 seRefinementStrategy]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2018-07-23 13:43:54,893 INFO L324 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [106] total 106 [2018-07-23 13:43:54,894 INFO L142 lantAutomatonBuilder]: Constructing canonical interpolant automaton, with selfloop in false state [2018-07-23 13:43:54,894 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-07-23 13:43:54,894 INFO L185 omatonBuilderFactory]: Interpolants [51968#(<= 5254 ULTIMATE.start_main_~x~5), 51969#(<= (+ ULTIMATE.start_main_~y~5 5253) ULTIMATE.start_main_~x~5), 51863#true, 51864#false, 51865#(<= 1 (+ (* 103 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 51866#(<= 103 (+ (* 102 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 51867#(<= 204 (+ (* 101 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 51868#(<= 304 (+ (* 100 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 51869#(<= 403 (+ (* 99 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 51870#(<= 501 (+ (* 98 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 51871#(<= 598 (+ (* 97 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 51872#(<= 694 (+ (* 96 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 51873#(<= 789 (+ (* 95 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 51874#(<= 883 (+ (* 94 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 51875#(<= 976 (+ (* 93 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 51876#(<= 1068 (+ (* 92 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 51877#(<= 1159 (+ (* 91 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 51878#(<= 1249 (+ (* 90 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 51879#(<= 1338 (+ (* 89 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 51880#(<= 1426 (+ (* 88 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 51881#(<= 1513 (+ (* 87 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 51882#(<= 1599 (+ (* 86 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 51883#(<= 1684 (+ (* 85 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 51884#(<= 1768 (+ (* 84 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 51885#(<= 1851 (+ (* 83 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 51886#(<= 1933 (+ (* 82 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 51887#(<= 2014 (+ (* 81 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 51888#(<= 2094 (+ (* 80 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 51889#(<= 2173 (+ (* 79 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 51890#(<= 2251 (+ (* 78 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 51891#(<= 2328 (+ (* 77 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 51892#(<= 2404 (+ (* 76 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 51893#(<= 2479 (+ (* 75 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 51894#(<= 2553 (+ (* 74 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 51895#(<= 2626 (+ (* 73 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 51896#(<= 2698 (+ (* 72 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 51897#(<= 2769 (+ (* 71 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 51898#(<= 2839 (+ (* 70 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 51899#(<= 2908 (+ (* 69 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 51900#(<= 2976 (+ (* 68 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 51901#(<= 3043 (+ (* 67 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 51902#(<= 3109 (+ (* 66 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 51903#(<= 3174 (+ (* 65 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 51904#(<= 3238 (+ (* 64 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 51905#(<= 3301 (+ (* 63 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 51906#(<= 3363 (+ (* 62 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 51907#(<= 3424 (+ (* 61 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 51908#(<= 3484 (+ (* 60 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 51909#(<= 3543 (+ (* 59 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 51910#(<= 3601 (+ (* 58 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 51911#(<= 3658 (+ (* 57 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 51912#(<= 3714 (+ (* 56 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 51913#(<= 3769 (+ (* 55 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 51914#(<= 3823 (+ (* 54 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 51915#(<= 3876 (+ (* 53 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 51916#(<= 3928 (+ (* 52 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 51917#(<= 3979 (+ (* 51 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 51918#(<= 4029 (+ (* 50 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 51919#(<= 4078 (+ (* 49 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 51920#(<= 4126 (+ (* 48 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 51921#(<= 4173 (+ (* 47 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 51922#(<= 4219 (+ (* 46 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 51923#(<= 4264 (+ (* 45 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 51924#(<= 4308 (+ (* 44 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 51925#(<= 4351 (+ (* 43 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 51926#(<= 4393 (+ (* 42 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 51927#(<= 4434 (+ (* 41 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 51928#(<= 4474 (+ (* 40 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 51929#(<= 4513 (+ (* 39 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 51930#(<= 4551 (+ (* 38 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 51931#(<= 4588 (+ (* 37 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 51932#(<= 4624 (+ (* 36 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 51933#(<= 4659 (+ (* 35 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 51934#(<= 4693 (+ (* 34 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 51935#(<= 4726 (+ (* 33 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 51936#(<= 4758 (+ (* 32 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 51937#(<= 4789 (+ (* 31 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 51938#(<= 4819 (+ (* 30 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 51939#(<= 4848 (+ (* 29 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 51940#(<= 4876 (+ (* 28 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 51941#(<= 4903 (+ (* 27 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 51942#(<= 4929 (+ (* 26 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 51943#(<= 4954 (+ (* 25 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 51944#(<= 4978 (+ (* 24 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 51945#(<= 5001 (+ (* 23 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 51946#(<= 5023 (+ (* 22 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 51947#(<= 5044 (+ (* 21 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 51948#(<= 5064 (+ (* 20 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 51949#(<= 5083 (+ (* 19 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 51950#(<= 5101 (+ (* 18 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 51951#(<= 5118 (+ (* 17 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 51952#(<= 5134 (+ (* 16 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 51953#(<= 5149 (+ (* 15 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 51954#(<= 5163 (+ (* 14 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 51955#(<= 5176 (+ (* 13 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 51956#(<= 5188 (+ (* 12 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 51957#(<= 5199 (+ (* 11 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 51958#(<= 5209 (+ (* 10 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 51959#(<= 5218 (+ (* 9 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 51960#(<= 5226 (+ (* 8 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 51961#(<= 5233 (+ (* 7 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 51962#(<= 5239 (+ (* 6 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 51963#(<= 5244 (+ (* 5 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 51964#(<= 5248 (+ (* 4 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 51965#(<= 5251 (+ (* 3 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 51966#(<= 5253 (+ (* 2 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 51967#(<= 5254 (+ ULTIMATE.start_main_~y~5 ULTIMATE.start_main_~x~5))] [2018-07-23 13:43:54,895 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 13:43:54,896 INFO L450 AbstractCegarLoop]: Interpolant automaton has 107 states [2018-07-23 13:43:54,896 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 107 interpolants. [2018-07-23 13:43:54,897 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=211, Invalid=11131, Unknown=0, NotChecked=0, Total=11342 [2018-07-23 13:43:54,897 INFO L87 Difference]: Start difference. First operand 213 states and 213 transitions. Second operand 107 states. [2018-07-23 13:43:56,826 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-07-23 13:43:56,827 INFO L93 Difference]: Finished difference Result 217 states and 217 transitions. [2018-07-23 13:43:56,827 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 107 states. [2018-07-23 13:43:56,827 INFO L78 Accepts]: Start accepts. Automaton has 107 states. Word has length 212 [2018-07-23 13:43:56,827 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-07-23 13:43:56,828 INFO L225 Difference]: With dead ends: 217 [2018-07-23 13:43:56,828 INFO L226 Difference]: Without dead ends: 215 [2018-07-23 13:43:56,828 INFO L575 BasicCegarLoop]: 0 DeclaredPredicates, 106 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 105 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.6s TimeCoverageRelationStatistics Valid=211, Invalid=11131, Unknown=0, NotChecked=0, Total=11342 [2018-07-23 13:43:56,828 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 215 states. [2018-07-23 13:43:56,908 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 215 to 215. [2018-07-23 13:43:56,908 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 215 states. [2018-07-23 13:43:56,908 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 215 states to 215 states and 215 transitions. [2018-07-23 13:43:56,908 INFO L78 Accepts]: Start accepts. Automaton has 215 states and 215 transitions. Word has length 212 [2018-07-23 13:43:56,909 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-07-23 13:43:56,909 INFO L471 AbstractCegarLoop]: Abstraction has 215 states and 215 transitions. [2018-07-23 13:43:56,909 INFO L472 AbstractCegarLoop]: Interpolant automaton has 107 states. [2018-07-23 13:43:56,909 INFO L276 IsEmpty]: Start isEmpty. Operand 215 states and 215 transitions. [2018-07-23 13:43:56,909 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 215 [2018-07-23 13:43:56,909 INFO L349 BasicCegarLoop]: Found error trace [2018-07-23 13:43:56,910 INFO L357 BasicCegarLoop]: trace histogram [106, 105, 1, 1, 1] [2018-07-23 13:43:56,910 INFO L414 AbstractCegarLoop]: === Iteration 106 === [ULTIMATE.startErr0AssertViolationASSERT]=== [2018-07-23 13:43:56,910 INFO L82 PathProgramCache]: Analyzing trace with hash 680560481, now seen corresponding path program 105 times [2018-07-23 13:43:56,910 INFO L69 tionRefinementEngine]: Using refinement strategy FixedRefinementStrategy [2018-07-23 13:43:57,132 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-07-23 13:43:58,086 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 13:43:58,086 INFO L309 seRefinementStrategy]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2018-07-23 13:43:58,087 INFO L324 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [107] total 107 [2018-07-23 13:43:58,087 INFO L142 lantAutomatonBuilder]: Constructing canonical interpolant automaton, with selfloop in false state [2018-07-23 13:43:58,087 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-07-23 13:43:58,087 INFO L185 omatonBuilderFactory]: Interpolants [52834#true, 52835#false, 52836#(<= 1 (+ (* 104 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 52837#(<= 104 (+ (* 103 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 52838#(<= 206 (+ (* 102 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 52839#(<= 307 (+ (* 101 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 52840#(<= 407 (+ (* 100 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 52841#(<= 506 (+ (* 99 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 52842#(<= 604 (+ (* 98 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 52843#(<= 701 (+ (* 97 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 52844#(<= 797 (+ (* 96 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 52845#(<= 892 (+ (* 95 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 52846#(<= 986 (+ (* 94 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 52847#(<= 1079 (+ (* 93 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 52848#(<= 1171 (+ (* 92 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 52849#(<= 1262 (+ (* 91 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 52850#(<= 1352 (+ (* 90 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 52851#(<= 1441 (+ (* 89 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 52852#(<= 1529 (+ (* 88 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 52853#(<= 1616 (+ (* 87 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 52854#(<= 1702 (+ (* 86 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 52855#(<= 1787 (+ (* 85 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 52856#(<= 1871 (+ (* 84 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 52857#(<= 1954 (+ (* 83 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 52858#(<= 2036 (+ (* 82 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 52859#(<= 2117 (+ (* 81 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 52860#(<= 2197 (+ (* 80 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 52861#(<= 2276 (+ (* 79 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 52862#(<= 2354 (+ (* 78 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 52863#(<= 2431 (+ (* 77 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 52864#(<= 2507 (+ (* 76 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 52865#(<= 2582 (+ (* 75 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 52866#(<= 2656 (+ (* 74 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 52867#(<= 2729 (+ (* 73 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 52868#(<= 2801 (+ (* 72 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 52869#(<= 2872 (+ (* 71 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 52870#(<= 2942 (+ (* 70 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 52871#(<= 3011 (+ (* 69 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 52872#(<= 3079 (+ (* 68 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 52873#(<= 3146 (+ (* 67 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 52874#(<= 3212 (+ (* 66 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 52875#(<= 3277 (+ (* 65 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 52876#(<= 3341 (+ (* 64 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 52877#(<= 3404 (+ (* 63 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 52878#(<= 3466 (+ (* 62 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 52879#(<= 3527 (+ (* 61 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 52880#(<= 3587 (+ (* 60 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 52881#(<= 3646 (+ (* 59 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 52882#(<= 3704 (+ (* 58 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 52883#(<= 3761 (+ (* 57 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 52884#(<= 3817 (+ (* 56 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 52885#(<= 3872 (+ (* 55 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 52886#(<= 3926 (+ (* 54 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 52887#(<= 3979 (+ (* 53 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 52888#(<= 4031 (+ (* 52 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 52889#(<= 4082 (+ (* 51 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 52890#(<= 4132 (+ (* 50 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 52891#(<= 4181 (+ (* 49 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 52892#(<= 4229 (+ (* 48 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 52893#(<= 4276 (+ (* 47 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 52894#(<= 4322 (+ (* 46 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 52895#(<= 4367 (+ (* 45 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 52896#(<= 4411 (+ (* 44 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 52897#(<= 4454 (+ (* 43 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 52898#(<= 4496 (+ (* 42 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 52899#(<= 4537 (+ (* 41 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 52900#(<= 4577 (+ (* 40 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 52901#(<= 4616 (+ (* 39 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 52902#(<= 4654 (+ (* 38 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 52903#(<= 4691 (+ (* 37 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 52904#(<= 4727 (+ (* 36 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 52905#(<= 4762 (+ (* 35 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 52906#(<= 4796 (+ (* 34 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 52907#(<= 4829 (+ (* 33 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 52908#(<= 4861 (+ (* 32 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 52909#(<= 4892 (+ (* 31 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 52910#(<= 4922 (+ (* 30 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 52911#(<= 4951 (+ (* 29 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 52912#(<= 4979 (+ (* 28 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 52913#(<= 5006 (+ (* 27 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 52914#(<= 5032 (+ (* 26 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 52915#(<= 5057 (+ (* 25 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 52916#(<= 5081 (+ (* 24 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 52917#(<= 5104 (+ (* 23 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 52918#(<= 5126 (+ (* 22 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 52919#(<= 5147 (+ (* 21 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 52920#(<= 5167 (+ (* 20 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 52921#(<= 5186 (+ (* 19 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 52922#(<= 5204 (+ (* 18 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 52923#(<= 5221 (+ (* 17 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 52924#(<= 5237 (+ (* 16 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 52925#(<= 5252 (+ (* 15 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 52926#(<= 5266 (+ (* 14 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 52927#(<= 5279 (+ (* 13 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 52928#(<= 5291 (+ (* 12 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 52929#(<= 5302 (+ (* 11 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 52930#(<= 5312 (+ (* 10 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 52931#(<= 5321 (+ (* 9 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 52932#(<= 5329 (+ (* 8 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 52933#(<= 5336 (+ (* 7 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 52934#(<= 5342 (+ (* 6 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 52935#(<= 5347 (+ (* 5 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 52936#(<= 5351 (+ (* 4 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 52937#(<= 5354 (+ (* 3 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 52938#(<= 5356 (+ (* 2 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 52939#(<= 5357 (+ ULTIMATE.start_main_~y~5 ULTIMATE.start_main_~x~5)), 52940#(<= 5357 ULTIMATE.start_main_~x~5), 52941#(<= (+ ULTIMATE.start_main_~y~5 5356) ULTIMATE.start_main_~x~5)] [2018-07-23 13:43:58,088 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 13:43:58,088 INFO L450 AbstractCegarLoop]: Interpolant automaton has 108 states [2018-07-23 13:43:58,088 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 108 interpolants. [2018-07-23 13:43:58,089 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=213, Invalid=11343, Unknown=0, NotChecked=0, Total=11556 [2018-07-23 13:43:58,089 INFO L87 Difference]: Start difference. First operand 215 states and 215 transitions. Second operand 108 states. [2018-07-23 13:43:59,877 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-07-23 13:43:59,878 INFO L93 Difference]: Finished difference Result 219 states and 219 transitions. [2018-07-23 13:43:59,878 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 108 states. [2018-07-23 13:43:59,878 INFO L78 Accepts]: Start accepts. Automaton has 108 states. Word has length 214 [2018-07-23 13:43:59,878 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-07-23 13:43:59,879 INFO L225 Difference]: With dead ends: 219 [2018-07-23 13:43:59,879 INFO L226 Difference]: Without dead ends: 217 [2018-07-23 13:43:59,880 INFO L575 BasicCegarLoop]: 0 DeclaredPredicates, 107 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 106 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.6s TimeCoverageRelationStatistics Valid=213, Invalid=11343, Unknown=0, NotChecked=0, Total=11556 [2018-07-23 13:43:59,880 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 217 states. [2018-07-23 13:43:59,959 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 217 to 217. [2018-07-23 13:43:59,959 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 217 states. [2018-07-23 13:43:59,959 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 217 states to 217 states and 217 transitions. [2018-07-23 13:43:59,959 INFO L78 Accepts]: Start accepts. Automaton has 217 states and 217 transitions. Word has length 214 [2018-07-23 13:43:59,960 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-07-23 13:43:59,960 INFO L471 AbstractCegarLoop]: Abstraction has 217 states and 217 transitions. [2018-07-23 13:43:59,960 INFO L472 AbstractCegarLoop]: Interpolant automaton has 108 states. [2018-07-23 13:43:59,960 INFO L276 IsEmpty]: Start isEmpty. Operand 217 states and 217 transitions. [2018-07-23 13:43:59,960 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 217 [2018-07-23 13:43:59,960 INFO L349 BasicCegarLoop]: Found error trace [2018-07-23 13:43:59,961 INFO L357 BasicCegarLoop]: trace histogram [107, 106, 1, 1, 1] [2018-07-23 13:43:59,961 INFO L414 AbstractCegarLoop]: === Iteration 107 === [ULTIMATE.startErr0AssertViolationASSERT]=== [2018-07-23 13:43:59,961 INFO L82 PathProgramCache]: Analyzing trace with hash 1183526237, now seen corresponding path program 106 times [2018-07-23 13:43:59,961 INFO L69 tionRefinementEngine]: Using refinement strategy FixedRefinementStrategy [2018-07-23 13:44:00,266 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-07-23 13:44:01,224 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 13:44:01,225 INFO L309 seRefinementStrategy]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2018-07-23 13:44:01,225 INFO L324 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [108] total 108 [2018-07-23 13:44:01,225 INFO L142 lantAutomatonBuilder]: Constructing canonical interpolant automaton, with selfloop in false state [2018-07-23 13:44:01,225 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-07-23 13:44:01,225 INFO L185 omatonBuilderFactory]: Interpolants [53814#true, 53815#false, 53816#(<= 1 (+ (* 105 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 53817#(<= 105 (+ (* 104 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 53818#(<= 208 (+ (* 103 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 53819#(<= 310 (+ (* 102 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 53820#(<= 411 (+ (* 101 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 53821#(<= 511 (+ (* 100 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 53822#(<= 610 (+ (* 99 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 53823#(<= 708 (+ (* 98 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 53824#(<= 805 (+ (* 97 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 53825#(<= 901 (+ (* 96 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 53826#(<= 996 (+ (* 95 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 53827#(<= 1090 (+ (* 94 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 53828#(<= 1183 (+ (* 93 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 53829#(<= 1275 (+ (* 92 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 53830#(<= 1366 (+ (* 91 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 53831#(<= 1456 (+ (* 90 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 53832#(<= 1545 (+ (* 89 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 53833#(<= 1633 (+ (* 88 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 53834#(<= 1720 (+ (* 87 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 53835#(<= 1806 (+ (* 86 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 53836#(<= 1891 (+ (* 85 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 53837#(<= 1975 (+ (* 84 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 53838#(<= 2058 (+ (* 83 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 53839#(<= 2140 (+ (* 82 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 53840#(<= 2221 (+ (* 81 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 53841#(<= 2301 (+ (* 80 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 53842#(<= 2380 (+ (* 79 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 53843#(<= 2458 (+ (* 78 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 53844#(<= 2535 (+ (* 77 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 53845#(<= 2611 (+ (* 76 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 53846#(<= 2686 (+ (* 75 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 53847#(<= 2760 (+ (* 74 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 53848#(<= 2833 (+ (* 73 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 53849#(<= 2905 (+ (* 72 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 53850#(<= 2976 (+ (* 71 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 53851#(<= 3046 (+ (* 70 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 53852#(<= 3115 (+ (* 69 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 53853#(<= 3183 (+ (* 68 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 53854#(<= 3250 (+ (* 67 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 53855#(<= 3316 (+ (* 66 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 53856#(<= 3381 (+ (* 65 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 53857#(<= 3445 (+ (* 64 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 53858#(<= 3508 (+ (* 63 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 53859#(<= 3570 (+ (* 62 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 53860#(<= 3631 (+ (* 61 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 53861#(<= 3691 (+ (* 60 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 53862#(<= 3750 (+ (* 59 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 53863#(<= 3808 (+ (* 58 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 53864#(<= 3865 (+ (* 57 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 53865#(<= 3921 (+ (* 56 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 53866#(<= 3976 (+ (* 55 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 53867#(<= 4030 (+ (* 54 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 53868#(<= 4083 (+ (* 53 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 53869#(<= 4135 (+ (* 52 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 53870#(<= 4186 (+ (* 51 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 53871#(<= 4236 (+ (* 50 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 53872#(<= 4285 (+ (* 49 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 53873#(<= 4333 (+ (* 48 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 53874#(<= 4380 (+ (* 47 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 53875#(<= 4426 (+ (* 46 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 53876#(<= 4471 (+ (* 45 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 53877#(<= 4515 (+ (* 44 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 53878#(<= 4558 (+ (* 43 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 53879#(<= 4600 (+ (* 42 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 53880#(<= 4641 (+ (* 41 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 53881#(<= 4681 (+ (* 40 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 53882#(<= 4720 (+ (* 39 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 53883#(<= 4758 (+ (* 38 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 53884#(<= 4795 (+ (* 37 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 53885#(<= 4831 (+ (* 36 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 53886#(<= 4866 (+ (* 35 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 53887#(<= 4900 (+ (* 34 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 53888#(<= 4933 (+ (* 33 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 53889#(<= 4965 (+ (* 32 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 53890#(<= 4996 (+ (* 31 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 53891#(<= 5026 (+ (* 30 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 53892#(<= 5055 (+ (* 29 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 53893#(<= 5083 (+ (* 28 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 53894#(<= 5110 (+ (* 27 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 53895#(<= 5136 (+ (* 26 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 53896#(<= 5161 (+ (* 25 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 53897#(<= 5185 (+ (* 24 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 53898#(<= 5208 (+ (* 23 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 53899#(<= 5230 (+ (* 22 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 53900#(<= 5251 (+ (* 21 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 53901#(<= 5271 (+ (* 20 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 53902#(<= 5290 (+ (* 19 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 53903#(<= 5308 (+ (* 18 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 53904#(<= 5325 (+ (* 17 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 53905#(<= 5341 (+ (* 16 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 53906#(<= 5356 (+ (* 15 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 53907#(<= 5370 (+ (* 14 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 53908#(<= 5383 (+ (* 13 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 53909#(<= 5395 (+ (* 12 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 53910#(<= 5406 (+ (* 11 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 53911#(<= 5416 (+ (* 10 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 53912#(<= 5425 (+ (* 9 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 53913#(<= 5433 (+ (* 8 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 53914#(<= 5440 (+ (* 7 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 53915#(<= 5446 (+ (* 6 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 53916#(<= 5451 (+ (* 5 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 53917#(<= 5455 (+ (* 4 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 53918#(<= 5458 (+ (* 3 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 53919#(<= 5460 (+ (* 2 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 53920#(<= 5461 (+ ULTIMATE.start_main_~y~5 ULTIMATE.start_main_~x~5)), 53921#(<= 5461 ULTIMATE.start_main_~x~5), 53922#(<= (+ ULTIMATE.start_main_~y~5 5460) ULTIMATE.start_main_~x~5)] [2018-07-23 13:44:01,226 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 13:44:01,226 INFO L450 AbstractCegarLoop]: Interpolant automaton has 109 states [2018-07-23 13:44:01,227 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 109 interpolants. [2018-07-23 13:44:01,227 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=215, Invalid=11557, Unknown=0, NotChecked=0, Total=11772 [2018-07-23 13:44:01,228 INFO L87 Difference]: Start difference. First operand 217 states and 217 transitions. Second operand 109 states. [2018-07-23 13:44:03,192 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-07-23 13:44:03,192 INFO L93 Difference]: Finished difference Result 221 states and 221 transitions. [2018-07-23 13:44:03,192 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 109 states. [2018-07-23 13:44:03,192 INFO L78 Accepts]: Start accepts. Automaton has 109 states. Word has length 216 [2018-07-23 13:44:03,193 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-07-23 13:44:03,193 INFO L225 Difference]: With dead ends: 221 [2018-07-23 13:44:03,193 INFO L226 Difference]: Without dead ends: 219 [2018-07-23 13:44:03,194 INFO L575 BasicCegarLoop]: 0 DeclaredPredicates, 108 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 107 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.6s TimeCoverageRelationStatistics Valid=215, Invalid=11557, Unknown=0, NotChecked=0, Total=11772 [2018-07-23 13:44:03,194 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 219 states. [2018-07-23 13:44:03,272 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 219 to 219. [2018-07-23 13:44:03,272 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 219 states. [2018-07-23 13:44:03,273 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 219 states to 219 states and 219 transitions. [2018-07-23 13:44:03,273 INFO L78 Accepts]: Start accepts. Automaton has 219 states and 219 transitions. Word has length 216 [2018-07-23 13:44:03,273 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-07-23 13:44:03,273 INFO L471 AbstractCegarLoop]: Abstraction has 219 states and 219 transitions. [2018-07-23 13:44:03,273 INFO L472 AbstractCegarLoop]: Interpolant automaton has 109 states. [2018-07-23 13:44:03,273 INFO L276 IsEmpty]: Start isEmpty. Operand 219 states and 219 transitions. [2018-07-23 13:44:03,274 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 219 [2018-07-23 13:44:03,274 INFO L349 BasicCegarLoop]: Found error trace [2018-07-23 13:44:03,274 INFO L357 BasicCegarLoop]: trace histogram [108, 107, 1, 1, 1] [2018-07-23 13:44:03,274 INFO L414 AbstractCegarLoop]: === Iteration 108 === [ULTIMATE.startErr0AssertViolationASSERT]=== [2018-07-23 13:44:03,274 INFO L82 PathProgramCache]: Analyzing trace with hash -797686695, now seen corresponding path program 107 times [2018-07-23 13:44:03,274 INFO L69 tionRefinementEngine]: Using refinement strategy FixedRefinementStrategy [2018-07-23 13:44:03,513 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-07-23 13:44:04,534 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 13:44:04,535 INFO L309 seRefinementStrategy]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2018-07-23 13:44:04,535 INFO L324 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [109] total 109 [2018-07-23 13:44:04,535 INFO L142 lantAutomatonBuilder]: Constructing canonical interpolant automaton, with selfloop in false state [2018-07-23 13:44:04,535 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-07-23 13:44:04,535 INFO L185 omatonBuilderFactory]: Interpolants [54803#true, 54804#false, 54805#(<= 1 (+ (* 106 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 54806#(<= 106 (+ (* 105 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 54807#(<= 210 (+ (* 104 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 54808#(<= 313 (+ (* 103 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 54809#(<= 415 (+ (* 102 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 54810#(<= 516 (+ (* 101 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 54811#(<= 616 (+ (* 100 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 54812#(<= 715 (+ (* 99 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 54813#(<= 813 (+ (* 98 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 54814#(<= 910 (+ (* 97 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 54815#(<= 1006 (+ (* 96 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 54816#(<= 1101 (+ (* 95 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 54817#(<= 1195 (+ (* 94 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 54818#(<= 1288 (+ (* 93 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 54819#(<= 1380 (+ (* 92 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 54820#(<= 1471 (+ (* 91 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 54821#(<= 1561 (+ (* 90 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 54822#(<= 1650 (+ (* 89 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 54823#(<= 1738 (+ (* 88 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 54824#(<= 1825 (+ (* 87 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 54825#(<= 1911 (+ (* 86 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 54826#(<= 1996 (+ (* 85 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 54827#(<= 2080 (+ (* 84 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 54828#(<= 2163 (+ (* 83 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 54829#(<= 2245 (+ (* 82 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 54830#(<= 2326 (+ (* 81 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 54831#(<= 2406 (+ (* 80 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 54832#(<= 2485 (+ (* 79 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 54833#(<= 2563 (+ (* 78 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 54834#(<= 2640 (+ (* 77 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 54835#(<= 2716 (+ (* 76 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 54836#(<= 2791 (+ (* 75 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 54837#(<= 2865 (+ (* 74 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 54838#(<= 2938 (+ (* 73 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 54839#(<= 3010 (+ (* 72 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 54840#(<= 3081 (+ (* 71 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 54841#(<= 3151 (+ (* 70 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 54842#(<= 3220 (+ (* 69 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 54843#(<= 3288 (+ (* 68 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 54844#(<= 3355 (+ (* 67 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 54845#(<= 3421 (+ (* 66 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 54846#(<= 3486 (+ (* 65 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 54847#(<= 3550 (+ (* 64 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 54848#(<= 3613 (+ (* 63 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 54849#(<= 3675 (+ (* 62 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 54850#(<= 3736 (+ (* 61 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 54851#(<= 3796 (+ (* 60 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 54852#(<= 3855 (+ (* 59 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 54853#(<= 3913 (+ (* 58 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 54854#(<= 3970 (+ (* 57 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 54855#(<= 4026 (+ (* 56 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 54856#(<= 4081 (+ (* 55 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 54857#(<= 4135 (+ (* 54 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 54858#(<= 4188 (+ (* 53 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 54859#(<= 4240 (+ (* 52 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 54860#(<= 4291 (+ (* 51 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 54861#(<= 4341 (+ (* 50 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 54862#(<= 4390 (+ (* 49 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 54863#(<= 4438 (+ (* 48 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 54864#(<= 4485 (+ (* 47 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 54865#(<= 4531 (+ (* 46 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 54866#(<= 4576 (+ (* 45 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 54867#(<= 4620 (+ (* 44 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 54868#(<= 4663 (+ (* 43 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 54869#(<= 4705 (+ (* 42 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 54870#(<= 4746 (+ (* 41 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 54871#(<= 4786 (+ (* 40 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 54872#(<= 4825 (+ (* 39 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 54873#(<= 4863 (+ (* 38 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 54874#(<= 4900 (+ (* 37 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 54875#(<= 4936 (+ (* 36 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 54876#(<= 4971 (+ (* 35 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 54877#(<= 5005 (+ (* 34 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 54878#(<= 5038 (+ (* 33 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 54879#(<= 5070 (+ (* 32 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 54880#(<= 5101 (+ (* 31 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 54881#(<= 5131 (+ (* 30 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 54882#(<= 5160 (+ (* 29 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 54883#(<= 5188 (+ (* 28 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 54884#(<= 5215 (+ (* 27 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 54885#(<= 5241 (+ (* 26 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 54886#(<= 5266 (+ (* 25 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 54887#(<= 5290 (+ (* 24 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 54888#(<= 5313 (+ (* 23 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 54889#(<= 5335 (+ (* 22 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 54890#(<= 5356 (+ (* 21 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 54891#(<= 5376 (+ (* 20 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 54892#(<= 5395 (+ (* 19 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 54893#(<= 5413 (+ (* 18 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 54894#(<= 5430 (+ (* 17 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 54895#(<= 5446 (+ (* 16 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 54896#(<= 5461 (+ (* 15 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 54897#(<= 5475 (+ (* 14 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 54898#(<= 5488 (+ (* 13 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 54899#(<= 5500 (+ (* 12 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 54900#(<= 5511 (+ (* 11 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 54901#(<= 5521 (+ (* 10 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 54902#(<= 5530 (+ (* 9 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 54903#(<= 5538 (+ (* 8 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 54904#(<= 5545 (+ (* 7 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 54905#(<= 5551 (+ (* 6 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 54906#(<= 5556 (+ (* 5 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 54907#(<= 5560 (+ (* 4 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 54908#(<= 5563 (+ (* 3 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 54909#(<= 5565 (+ (* 2 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 54910#(<= 5566 (+ ULTIMATE.start_main_~y~5 ULTIMATE.start_main_~x~5)), 54911#(<= 5566 ULTIMATE.start_main_~x~5), 54912#(<= (+ ULTIMATE.start_main_~y~5 5565) ULTIMATE.start_main_~x~5)] [2018-07-23 13:44:04,536 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 13:44:04,536 INFO L450 AbstractCegarLoop]: Interpolant automaton has 110 states [2018-07-23 13:44:04,536 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 110 interpolants. [2018-07-23 13:44:04,537 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=217, Invalid=11773, Unknown=0, NotChecked=0, Total=11990 [2018-07-23 13:44:04,537 INFO L87 Difference]: Start difference. First operand 219 states and 219 transitions. Second operand 110 states. [2018-07-23 13:44:06,493 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-07-23 13:44:06,493 INFO L93 Difference]: Finished difference Result 223 states and 223 transitions. [2018-07-23 13:44:06,493 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 110 states. [2018-07-23 13:44:06,494 INFO L78 Accepts]: Start accepts. Automaton has 110 states. Word has length 218 [2018-07-23 13:44:06,494 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-07-23 13:44:06,494 INFO L225 Difference]: With dead ends: 223 [2018-07-23 13:44:06,494 INFO L226 Difference]: Without dead ends: 221 [2018-07-23 13:44:06,495 INFO L575 BasicCegarLoop]: 0 DeclaredPredicates, 109 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 108 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.7s TimeCoverageRelationStatistics Valid=217, Invalid=11773, Unknown=0, NotChecked=0, Total=11990 [2018-07-23 13:44:06,495 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 221 states. [2018-07-23 13:44:06,581 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 221 to 221. [2018-07-23 13:44:06,581 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 221 states. [2018-07-23 13:44:06,581 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 221 states to 221 states and 221 transitions. [2018-07-23 13:44:06,581 INFO L78 Accepts]: Start accepts. Automaton has 221 states and 221 transitions. Word has length 218 [2018-07-23 13:44:06,582 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-07-23 13:44:06,582 INFO L471 AbstractCegarLoop]: Abstraction has 221 states and 221 transitions. [2018-07-23 13:44:06,582 INFO L472 AbstractCegarLoop]: Interpolant automaton has 110 states. [2018-07-23 13:44:06,582 INFO L276 IsEmpty]: Start isEmpty. Operand 221 states and 221 transitions. [2018-07-23 13:44:06,583 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 221 [2018-07-23 13:44:06,583 INFO L349 BasicCegarLoop]: Found error trace [2018-07-23 13:44:06,583 INFO L357 BasicCegarLoop]: trace histogram [109, 108, 1, 1, 1] [2018-07-23 13:44:06,583 INFO L414 AbstractCegarLoop]: === Iteration 109 === [ULTIMATE.startErr0AssertViolationASSERT]=== [2018-07-23 13:44:06,583 INFO L82 PathProgramCache]: Analyzing trace with hash -2072802219, now seen corresponding path program 108 times [2018-07-23 13:44:06,584 INFO L69 tionRefinementEngine]: Using refinement strategy FixedRefinementStrategy [2018-07-23 13:44:06,888 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-07-23 13:44:07,909 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 13:44:07,909 INFO L309 seRefinementStrategy]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2018-07-23 13:44:07,909 INFO L324 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [110] total 110 [2018-07-23 13:44:07,910 INFO L142 lantAutomatonBuilder]: Constructing canonical interpolant automaton, with selfloop in false state [2018-07-23 13:44:07,910 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-07-23 13:44:07,910 INFO L185 omatonBuilderFactory]: Interpolants [55808#(<= 521 (+ (* 102 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 55809#(<= 622 (+ (* 101 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 55810#(<= 722 (+ (* 100 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 55811#(<= 821 (+ (* 99 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 55812#(<= 919 (+ (* 98 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 55813#(<= 1016 (+ (* 97 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 55814#(<= 1112 (+ (* 96 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 55815#(<= 1207 (+ (* 95 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 55816#(<= 1301 (+ (* 94 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 55817#(<= 1394 (+ (* 93 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 55818#(<= 1486 (+ (* 92 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 55819#(<= 1577 (+ (* 91 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 55820#(<= 1667 (+ (* 90 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 55821#(<= 1756 (+ (* 89 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 55822#(<= 1844 (+ (* 88 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 55823#(<= 1931 (+ (* 87 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 55824#(<= 2017 (+ (* 86 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 55825#(<= 2102 (+ (* 85 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 55826#(<= 2186 (+ (* 84 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 55827#(<= 2269 (+ (* 83 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 55828#(<= 2351 (+ (* 82 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 55829#(<= 2432 (+ (* 81 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 55830#(<= 2512 (+ (* 80 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 55831#(<= 2591 (+ (* 79 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 55832#(<= 2669 (+ (* 78 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 55833#(<= 2746 (+ (* 77 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 55834#(<= 2822 (+ (* 76 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 55835#(<= 2897 (+ (* 75 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 55836#(<= 2971 (+ (* 74 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 55837#(<= 3044 (+ (* 73 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 55838#(<= 3116 (+ (* 72 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 55839#(<= 3187 (+ (* 71 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 55840#(<= 3257 (+ (* 70 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 55841#(<= 3326 (+ (* 69 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 55842#(<= 3394 (+ (* 68 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 55843#(<= 3461 (+ (* 67 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 55844#(<= 3527 (+ (* 66 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 55845#(<= 3592 (+ (* 65 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 55846#(<= 3656 (+ (* 64 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 55847#(<= 3719 (+ (* 63 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 55848#(<= 3781 (+ (* 62 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 55849#(<= 3842 (+ (* 61 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 55850#(<= 3902 (+ (* 60 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 55851#(<= 3961 (+ (* 59 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 55852#(<= 4019 (+ (* 58 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 55853#(<= 4076 (+ (* 57 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 55854#(<= 4132 (+ (* 56 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 55855#(<= 4187 (+ (* 55 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 55856#(<= 4241 (+ (* 54 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 55857#(<= 4294 (+ (* 53 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 55858#(<= 4346 (+ (* 52 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 55859#(<= 4397 (+ (* 51 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 55860#(<= 4447 (+ (* 50 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 55861#(<= 4496 (+ (* 49 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 55862#(<= 4544 (+ (* 48 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 55863#(<= 4591 (+ (* 47 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 55864#(<= 4637 (+ (* 46 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 55865#(<= 4682 (+ (* 45 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 55866#(<= 4726 (+ (* 44 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 55867#(<= 4769 (+ (* 43 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 55868#(<= 4811 (+ (* 42 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 55869#(<= 4852 (+ (* 41 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 55870#(<= 4892 (+ (* 40 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 55871#(<= 4931 (+ (* 39 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 55872#(<= 4969 (+ (* 38 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 55873#(<= 5006 (+ (* 37 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 55874#(<= 5042 (+ (* 36 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 55875#(<= 5077 (+ (* 35 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 55876#(<= 5111 (+ (* 34 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 55877#(<= 5144 (+ (* 33 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 55878#(<= 5176 (+ (* 32 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 55879#(<= 5207 (+ (* 31 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 55880#(<= 5237 (+ (* 30 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 55881#(<= 5266 (+ (* 29 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 55882#(<= 5294 (+ (* 28 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 55883#(<= 5321 (+ (* 27 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 55884#(<= 5347 (+ (* 26 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 55885#(<= 5372 (+ (* 25 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 55886#(<= 5396 (+ (* 24 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 55887#(<= 5419 (+ (* 23 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 55888#(<= 5441 (+ (* 22 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 55889#(<= 5462 (+ (* 21 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 55890#(<= 5482 (+ (* 20 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 55891#(<= 5501 (+ (* 19 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 55892#(<= 5519 (+ (* 18 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 55893#(<= 5536 (+ (* 17 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 55894#(<= 5552 (+ (* 16 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 55895#(<= 5567 (+ (* 15 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 55896#(<= 5581 (+ (* 14 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 55897#(<= 5594 (+ (* 13 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 55898#(<= 5606 (+ (* 12 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 55899#(<= 5617 (+ (* 11 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 55900#(<= 5627 (+ (* 10 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 55901#(<= 5636 (+ (* 9 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 55902#(<= 5644 (+ (* 8 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 55903#(<= 5651 (+ (* 7 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 55904#(<= 5657 (+ (* 6 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 55905#(<= 5662 (+ (* 5 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 55906#(<= 5666 (+ (* 4 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 55907#(<= 5669 (+ (* 3 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 55908#(<= 5671 (+ (* 2 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 55909#(<= 5672 (+ ULTIMATE.start_main_~y~5 ULTIMATE.start_main_~x~5)), 55910#(<= 5672 ULTIMATE.start_main_~x~5), 55911#(<= (+ ULTIMATE.start_main_~y~5 5671) ULTIMATE.start_main_~x~5), 55801#true, 55802#false, 55803#(<= 1 (+ (* 107 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 55804#(<= 107 (+ (* 106 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 55805#(<= 212 (+ (* 105 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 55806#(<= 316 (+ (* 104 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 55807#(<= 419 (+ (* 103 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5))] [2018-07-23 13:44:07,911 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 13:44:07,911 INFO L450 AbstractCegarLoop]: Interpolant automaton has 111 states [2018-07-23 13:44:07,911 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 111 interpolants. [2018-07-23 13:44:07,912 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=219, Invalid=11991, Unknown=0, NotChecked=0, Total=12210 [2018-07-23 13:44:07,912 INFO L87 Difference]: Start difference. First operand 221 states and 221 transitions. Second operand 111 states. [2018-07-23 13:44:09,912 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-07-23 13:44:09,912 INFO L93 Difference]: Finished difference Result 225 states and 225 transitions. [2018-07-23 13:44:09,913 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 111 states. [2018-07-23 13:44:09,913 INFO L78 Accepts]: Start accepts. Automaton has 111 states. Word has length 220 [2018-07-23 13:44:09,913 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-07-23 13:44:09,913 INFO L225 Difference]: With dead ends: 225 [2018-07-23 13:44:09,913 INFO L226 Difference]: Without dead ends: 223 [2018-07-23 13:44:09,914 INFO L575 BasicCegarLoop]: 0 DeclaredPredicates, 110 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 109 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.7s TimeCoverageRelationStatistics Valid=219, Invalid=11991, Unknown=0, NotChecked=0, Total=12210 [2018-07-23 13:44:09,914 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 223 states. [2018-07-23 13:44:10,025 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 223 to 223. [2018-07-23 13:44:10,026 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 223 states. [2018-07-23 13:44:10,026 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 223 states to 223 states and 223 transitions. [2018-07-23 13:44:10,026 INFO L78 Accepts]: Start accepts. Automaton has 223 states and 223 transitions. Word has length 220 [2018-07-23 13:44:10,027 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-07-23 13:44:10,027 INFO L471 AbstractCegarLoop]: Abstraction has 223 states and 223 transitions. [2018-07-23 13:44:10,027 INFO L472 AbstractCegarLoop]: Interpolant automaton has 111 states. [2018-07-23 13:44:10,027 INFO L276 IsEmpty]: Start isEmpty. Operand 223 states and 223 transitions. [2018-07-23 13:44:10,028 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 223 [2018-07-23 13:44:10,028 INFO L349 BasicCegarLoop]: Found error trace [2018-07-23 13:44:10,028 INFO L357 BasicCegarLoop]: trace histogram [110, 109, 1, 1, 1] [2018-07-23 13:44:10,028 INFO L414 AbstractCegarLoop]: === Iteration 110 === [ULTIMATE.startErr0AssertViolationASSERT]=== [2018-07-23 13:44:10,028 INFO L82 PathProgramCache]: Analyzing trace with hash 901825873, now seen corresponding path program 109 times [2018-07-23 13:44:10,028 INFO L69 tionRefinementEngine]: Using refinement strategy FixedRefinementStrategy [2018-07-23 13:44:10,292 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-07-23 13:44:11,348 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 13:44:11,349 INFO L309 seRefinementStrategy]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2018-07-23 13:44:11,349 INFO L324 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [111] total 111 [2018-07-23 13:44:11,349 INFO L142 lantAutomatonBuilder]: Constructing canonical interpolant automaton, with selfloop in false state [2018-07-23 13:44:11,349 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-07-23 13:44:11,350 INFO L185 omatonBuilderFactory]: Interpolants [56832#(<= 2124 (+ (* 86 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 56833#(<= 2209 (+ (* 85 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 56834#(<= 2293 (+ (* 84 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 56835#(<= 2376 (+ (* 83 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 56836#(<= 2458 (+ (* 82 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 56837#(<= 2539 (+ (* 81 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 56838#(<= 2619 (+ (* 80 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 56839#(<= 2698 (+ (* 79 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 56840#(<= 2776 (+ (* 78 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 56841#(<= 2853 (+ (* 77 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 56842#(<= 2929 (+ (* 76 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 56843#(<= 3004 (+ (* 75 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 56844#(<= 3078 (+ (* 74 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 56845#(<= 3151 (+ (* 73 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 56846#(<= 3223 (+ (* 72 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 56847#(<= 3294 (+ (* 71 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 56848#(<= 3364 (+ (* 70 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 56849#(<= 3433 (+ (* 69 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 56850#(<= 3501 (+ (* 68 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 56851#(<= 3568 (+ (* 67 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 56852#(<= 3634 (+ (* 66 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 56853#(<= 3699 (+ (* 65 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 56854#(<= 3763 (+ (* 64 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 56855#(<= 3826 (+ (* 63 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 56856#(<= 3888 (+ (* 62 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 56857#(<= 3949 (+ (* 61 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 56858#(<= 4009 (+ (* 60 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 56859#(<= 4068 (+ (* 59 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 56860#(<= 4126 (+ (* 58 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 56861#(<= 4183 (+ (* 57 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 56862#(<= 4239 (+ (* 56 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 56863#(<= 4294 (+ (* 55 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 56864#(<= 4348 (+ (* 54 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 56865#(<= 4401 (+ (* 53 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 56866#(<= 4453 (+ (* 52 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 56867#(<= 4504 (+ (* 51 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 56868#(<= 4554 (+ (* 50 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 56869#(<= 4603 (+ (* 49 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 56870#(<= 4651 (+ (* 48 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 56871#(<= 4698 (+ (* 47 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 56872#(<= 4744 (+ (* 46 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 56873#(<= 4789 (+ (* 45 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 56874#(<= 4833 (+ (* 44 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 56875#(<= 4876 (+ (* 43 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 56876#(<= 4918 (+ (* 42 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 56877#(<= 4959 (+ (* 41 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 56878#(<= 4999 (+ (* 40 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 56879#(<= 5038 (+ (* 39 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 56880#(<= 5076 (+ (* 38 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 56881#(<= 5113 (+ (* 37 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 56882#(<= 5149 (+ (* 36 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 56883#(<= 5184 (+ (* 35 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 56884#(<= 5218 (+ (* 34 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 56885#(<= 5251 (+ (* 33 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 56886#(<= 5283 (+ (* 32 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 56887#(<= 5314 (+ (* 31 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 56888#(<= 5344 (+ (* 30 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 56889#(<= 5373 (+ (* 29 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 56890#(<= 5401 (+ (* 28 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 56891#(<= 5428 (+ (* 27 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 56892#(<= 5454 (+ (* 26 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 56893#(<= 5479 (+ (* 25 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 56894#(<= 5503 (+ (* 24 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 56895#(<= 5526 (+ (* 23 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 56896#(<= 5548 (+ (* 22 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 56897#(<= 5569 (+ (* 21 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 56898#(<= 5589 (+ (* 20 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 56899#(<= 5608 (+ (* 19 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 56900#(<= 5626 (+ (* 18 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 56901#(<= 5643 (+ (* 17 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 56902#(<= 5659 (+ (* 16 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 56903#(<= 5674 (+ (* 15 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 56904#(<= 5688 (+ (* 14 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 56905#(<= 5701 (+ (* 13 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 56906#(<= 5713 (+ (* 12 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 56907#(<= 5724 (+ (* 11 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 56908#(<= 5734 (+ (* 10 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 56909#(<= 5743 (+ (* 9 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 56910#(<= 5751 (+ (* 8 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 56911#(<= 5758 (+ (* 7 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 56912#(<= 5764 (+ (* 6 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 56913#(<= 5769 (+ (* 5 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 56914#(<= 5773 (+ (* 4 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 56915#(<= 5776 (+ (* 3 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 56916#(<= 5778 (+ (* 2 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 56917#(<= 5779 (+ ULTIMATE.start_main_~y~5 ULTIMATE.start_main_~x~5)), 56918#(<= 5779 ULTIMATE.start_main_~x~5), 56919#(<= (+ ULTIMATE.start_main_~y~5 5778) ULTIMATE.start_main_~x~5), 56808#true, 56809#false, 56810#(<= 1 (+ (* 108 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 56811#(<= 108 (+ (* 107 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 56812#(<= 214 (+ (* 106 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 56813#(<= 319 (+ (* 105 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 56814#(<= 423 (+ (* 104 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 56815#(<= 526 (+ (* 103 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 56816#(<= 628 (+ (* 102 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 56817#(<= 729 (+ (* 101 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 56818#(<= 829 (+ (* 100 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 56819#(<= 928 (+ (* 99 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 56820#(<= 1026 (+ (* 98 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 56821#(<= 1123 (+ (* 97 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 56822#(<= 1219 (+ (* 96 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 56823#(<= 1314 (+ (* 95 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 56824#(<= 1408 (+ (* 94 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 56825#(<= 1501 (+ (* 93 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 56826#(<= 1593 (+ (* 92 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 56827#(<= 1684 (+ (* 91 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 56828#(<= 1774 (+ (* 90 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 56829#(<= 1863 (+ (* 89 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 56830#(<= 1951 (+ (* 88 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 56831#(<= 2038 (+ (* 87 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5))] [2018-07-23 13:44:11,351 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 13:44:11,351 INFO L450 AbstractCegarLoop]: Interpolant automaton has 112 states [2018-07-23 13:44:11,351 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 112 interpolants. [2018-07-23 13:44:11,352 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=221, Invalid=12211, Unknown=0, NotChecked=0, Total=12432 [2018-07-23 13:44:11,352 INFO L87 Difference]: Start difference. First operand 223 states and 223 transitions. Second operand 112 states. [2018-07-23 13:44:13,305 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-07-23 13:44:13,305 INFO L93 Difference]: Finished difference Result 227 states and 227 transitions. [2018-07-23 13:44:13,305 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 112 states. [2018-07-23 13:44:13,305 INFO L78 Accepts]: Start accepts. Automaton has 112 states. Word has length 222 [2018-07-23 13:44:13,305 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-07-23 13:44:13,306 INFO L225 Difference]: With dead ends: 227 [2018-07-23 13:44:13,306 INFO L226 Difference]: Without dead ends: 225 [2018-07-23 13:44:13,306 INFO L575 BasicCegarLoop]: 0 DeclaredPredicates, 111 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 110 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.7s TimeCoverageRelationStatistics Valid=221, Invalid=12211, Unknown=0, NotChecked=0, Total=12432 [2018-07-23 13:44:13,307 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 225 states. [2018-07-23 13:44:13,384 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 225 to 225. [2018-07-23 13:44:13,384 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 225 states. [2018-07-23 13:44:13,384 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 225 states to 225 states and 225 transitions. [2018-07-23 13:44:13,385 INFO L78 Accepts]: Start accepts. Automaton has 225 states and 225 transitions. Word has length 222 [2018-07-23 13:44:13,385 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-07-23 13:44:13,385 INFO L471 AbstractCegarLoop]: Abstraction has 225 states and 225 transitions. [2018-07-23 13:44:13,385 INFO L472 AbstractCegarLoop]: Interpolant automaton has 112 states. [2018-07-23 13:44:13,385 INFO L276 IsEmpty]: Start isEmpty. Operand 225 states and 225 transitions. [2018-07-23 13:44:13,385 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 225 [2018-07-23 13:44:13,386 INFO L349 BasicCegarLoop]: Found error trace [2018-07-23 13:44:13,386 INFO L357 BasicCegarLoop]: trace histogram [111, 110, 1, 1, 1] [2018-07-23 13:44:13,386 INFO L414 AbstractCegarLoop]: === Iteration 111 === [ULTIMATE.startErr0AssertViolationASSERT]=== [2018-07-23 13:44:13,386 INFO L82 PathProgramCache]: Analyzing trace with hash -928796851, now seen corresponding path program 110 times [2018-07-23 13:44:13,386 INFO L69 tionRefinementEngine]: Using refinement strategy FixedRefinementStrategy [2018-07-23 13:44:13,639 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-07-23 13:44:14,696 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 13:44:14,696 INFO L309 seRefinementStrategy]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2018-07-23 13:44:14,696 INFO L324 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [112] total 112 [2018-07-23 13:44:14,696 INFO L142 lantAutomatonBuilder]: Constructing canonical interpolant automaton, with selfloop in false state [2018-07-23 13:44:14,697 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-07-23 13:44:14,697 INFO L185 omatonBuilderFactory]: Interpolants [57856#(<= 2806 (+ (* 79 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 57857#(<= 2884 (+ (* 78 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 57858#(<= 2961 (+ (* 77 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 57859#(<= 3037 (+ (* 76 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 57860#(<= 3112 (+ (* 75 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 57861#(<= 3186 (+ (* 74 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 57862#(<= 3259 (+ (* 73 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 57863#(<= 3331 (+ (* 72 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 57864#(<= 3402 (+ (* 71 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 57865#(<= 3472 (+ (* 70 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 57866#(<= 3541 (+ (* 69 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 57867#(<= 3609 (+ (* 68 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 57868#(<= 3676 (+ (* 67 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 57869#(<= 3742 (+ (* 66 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 57870#(<= 3807 (+ (* 65 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 57871#(<= 3871 (+ (* 64 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 57872#(<= 3934 (+ (* 63 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 57873#(<= 3996 (+ (* 62 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 57874#(<= 4057 (+ (* 61 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 57875#(<= 4117 (+ (* 60 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 57876#(<= 4176 (+ (* 59 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 57877#(<= 4234 (+ (* 58 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 57878#(<= 4291 (+ (* 57 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 57879#(<= 4347 (+ (* 56 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 57880#(<= 4402 (+ (* 55 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 57881#(<= 4456 (+ (* 54 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 57882#(<= 4509 (+ (* 53 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 57883#(<= 4561 (+ (* 52 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 57884#(<= 4612 (+ (* 51 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 57885#(<= 4662 (+ (* 50 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 57886#(<= 4711 (+ (* 49 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 57887#(<= 4759 (+ (* 48 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 57888#(<= 4806 (+ (* 47 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 57889#(<= 4852 (+ (* 46 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 57890#(<= 4897 (+ (* 45 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 57891#(<= 4941 (+ (* 44 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 57892#(<= 4984 (+ (* 43 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 57893#(<= 5026 (+ (* 42 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 57894#(<= 5067 (+ (* 41 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 57895#(<= 5107 (+ (* 40 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 57896#(<= 5146 (+ (* 39 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 57897#(<= 5184 (+ (* 38 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 57898#(<= 5221 (+ (* 37 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 57899#(<= 5257 (+ (* 36 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 57900#(<= 5292 (+ (* 35 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 57901#(<= 5326 (+ (* 34 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 57902#(<= 5359 (+ (* 33 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 57903#(<= 5391 (+ (* 32 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 57904#(<= 5422 (+ (* 31 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 57905#(<= 5452 (+ (* 30 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 57906#(<= 5481 (+ (* 29 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 57907#(<= 5509 (+ (* 28 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 57908#(<= 5536 (+ (* 27 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 57909#(<= 5562 (+ (* 26 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 57910#(<= 5587 (+ (* 25 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 57911#(<= 5611 (+ (* 24 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 57912#(<= 5634 (+ (* 23 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 57913#(<= 5656 (+ (* 22 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 57914#(<= 5677 (+ (* 21 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 57915#(<= 5697 (+ (* 20 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 57916#(<= 5716 (+ (* 19 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 57917#(<= 5734 (+ (* 18 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 57918#(<= 5751 (+ (* 17 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 57919#(<= 5767 (+ (* 16 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 57920#(<= 5782 (+ (* 15 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 57921#(<= 5796 (+ (* 14 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 57922#(<= 5809 (+ (* 13 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 57923#(<= 5821 (+ (* 12 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 57924#(<= 5832 (+ (* 11 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 57925#(<= 5842 (+ (* 10 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 57926#(<= 5851 (+ (* 9 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 57927#(<= 5859 (+ (* 8 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 57928#(<= 5866 (+ (* 7 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 57929#(<= 5872 (+ (* 6 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 57930#(<= 5877 (+ (* 5 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 57931#(<= 5881 (+ (* 4 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 57932#(<= 5884 (+ (* 3 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 57933#(<= 5886 (+ (* 2 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 57934#(<= 5887 (+ ULTIMATE.start_main_~y~5 ULTIMATE.start_main_~x~5)), 57935#(<= 5887 ULTIMATE.start_main_~x~5), 57936#(<= (+ ULTIMATE.start_main_~y~5 5886) ULTIMATE.start_main_~x~5), 57824#true, 57825#false, 57826#(<= 1 (+ (* 109 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 57827#(<= 109 (+ (* 108 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 57828#(<= 216 (+ (* 107 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 57829#(<= 322 (+ (* 106 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 57830#(<= 427 (+ (* 105 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 57831#(<= 531 (+ (* 104 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 57832#(<= 634 (+ (* 103 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 57833#(<= 736 (+ (* 102 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 57834#(<= 837 (+ (* 101 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 57835#(<= 937 (+ (* 100 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 57836#(<= 1036 (+ (* 99 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 57837#(<= 1134 (+ (* 98 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 57838#(<= 1231 (+ (* 97 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 57839#(<= 1327 (+ (* 96 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 57840#(<= 1422 (+ (* 95 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 57841#(<= 1516 (+ (* 94 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 57842#(<= 1609 (+ (* 93 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 57843#(<= 1701 (+ (* 92 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 57844#(<= 1792 (+ (* 91 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 57845#(<= 1882 (+ (* 90 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 57846#(<= 1971 (+ (* 89 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 57847#(<= 2059 (+ (* 88 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 57848#(<= 2146 (+ (* 87 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 57849#(<= 2232 (+ (* 86 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 57850#(<= 2317 (+ (* 85 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 57851#(<= 2401 (+ (* 84 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 57852#(<= 2484 (+ (* 83 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 57853#(<= 2566 (+ (* 82 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 57854#(<= 2647 (+ (* 81 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 57855#(<= 2727 (+ (* 80 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5))] [2018-07-23 13:44:14,698 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 13:44:14,698 INFO L450 AbstractCegarLoop]: Interpolant automaton has 113 states [2018-07-23 13:44:14,699 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 113 interpolants. [2018-07-23 13:44:14,699 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=223, Invalid=12433, Unknown=0, NotChecked=0, Total=12656 [2018-07-23 13:44:14,700 INFO L87 Difference]: Start difference. First operand 225 states and 225 transitions. Second operand 113 states. [2018-07-23 13:44:16,752 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-07-23 13:44:16,752 INFO L93 Difference]: Finished difference Result 229 states and 229 transitions. [2018-07-23 13:44:16,752 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 113 states. [2018-07-23 13:44:16,753 INFO L78 Accepts]: Start accepts. Automaton has 113 states. Word has length 224 [2018-07-23 13:44:16,753 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-07-23 13:44:16,753 INFO L225 Difference]: With dead ends: 229 [2018-07-23 13:44:16,753 INFO L226 Difference]: Without dead ends: 227 [2018-07-23 13:44:16,754 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 13:44:16,755 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 227 states. [2018-07-23 13:44:16,872 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 227 to 227. [2018-07-23 13:44:16,873 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 227 states. [2018-07-23 13:44:16,873 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 227 states to 227 states and 227 transitions. [2018-07-23 13:44:16,873 INFO L78 Accepts]: Start accepts. Automaton has 227 states and 227 transitions. Word has length 224 [2018-07-23 13:44:16,873 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-07-23 13:44:16,873 INFO L471 AbstractCegarLoop]: Abstraction has 227 states and 227 transitions. [2018-07-23 13:44:16,873 INFO L472 AbstractCegarLoop]: Interpolant automaton has 113 states. [2018-07-23 13:44:16,873 INFO L276 IsEmpty]: Start isEmpty. Operand 227 states and 227 transitions. [2018-07-23 13:44:16,874 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 227 [2018-07-23 13:44:16,874 INFO L349 BasicCegarLoop]: Found error trace [2018-07-23 13:44:16,874 INFO L357 BasicCegarLoop]: trace histogram [112, 111, 1, 1, 1] [2018-07-23 13:44:16,874 INFO L414 AbstractCegarLoop]: === Iteration 112 === [ULTIMATE.startErr0AssertViolationASSERT]=== [2018-07-23 13:44:16,874 INFO L82 PathProgramCache]: Analyzing trace with hash 779356745, now seen corresponding path program 111 times [2018-07-23 13:44:16,874 INFO L69 tionRefinementEngine]: Using refinement strategy FixedRefinementStrategy [2018-07-23 13:44:17,125 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-07-23 13:44:18,100 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 13:44:18,101 INFO L309 seRefinementStrategy]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2018-07-23 13:44:18,101 INFO L324 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [113] total 113 [2018-07-23 13:44:18,101 INFO L142 lantAutomatonBuilder]: Constructing canonical interpolant automaton, with selfloop in false state [2018-07-23 13:44:18,101 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-07-23 13:44:18,102 INFO L185 omatonBuilderFactory]: Interpolants [58880#(<= 2756 (+ (* 81 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 58881#(<= 2836 (+ (* 80 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 58882#(<= 2915 (+ (* 79 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 58883#(<= 2993 (+ (* 78 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 58884#(<= 3070 (+ (* 77 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 58885#(<= 3146 (+ (* 76 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 58886#(<= 3221 (+ (* 75 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 58887#(<= 3295 (+ (* 74 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 58888#(<= 3368 (+ (* 73 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 58889#(<= 3440 (+ (* 72 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 58890#(<= 3511 (+ (* 71 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 58891#(<= 3581 (+ (* 70 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 58892#(<= 3650 (+ (* 69 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 58893#(<= 3718 (+ (* 68 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 58894#(<= 3785 (+ (* 67 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 58895#(<= 3851 (+ (* 66 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 58896#(<= 3916 (+ (* 65 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 58897#(<= 3980 (+ (* 64 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 58898#(<= 4043 (+ (* 63 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 58899#(<= 4105 (+ (* 62 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 58900#(<= 4166 (+ (* 61 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 58901#(<= 4226 (+ (* 60 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 58902#(<= 4285 (+ (* 59 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 58903#(<= 4343 (+ (* 58 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 58904#(<= 4400 (+ (* 57 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 58905#(<= 4456 (+ (* 56 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 58906#(<= 4511 (+ (* 55 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 58907#(<= 4565 (+ (* 54 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 58908#(<= 4618 (+ (* 53 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 58909#(<= 4670 (+ (* 52 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 58910#(<= 4721 (+ (* 51 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 58911#(<= 4771 (+ (* 50 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 58912#(<= 4820 (+ (* 49 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 58913#(<= 4868 (+ (* 48 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 58914#(<= 4915 (+ (* 47 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 58915#(<= 4961 (+ (* 46 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 58916#(<= 5006 (+ (* 45 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 58917#(<= 5050 (+ (* 44 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 58918#(<= 5093 (+ (* 43 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 58919#(<= 5135 (+ (* 42 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 58920#(<= 5176 (+ (* 41 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 58921#(<= 5216 (+ (* 40 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 58922#(<= 5255 (+ (* 39 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 58923#(<= 5293 (+ (* 38 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 58924#(<= 5330 (+ (* 37 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 58925#(<= 5366 (+ (* 36 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 58926#(<= 5401 (+ (* 35 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 58927#(<= 5435 (+ (* 34 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 58928#(<= 5468 (+ (* 33 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 58929#(<= 5500 (+ (* 32 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 58930#(<= 5531 (+ (* 31 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 58931#(<= 5561 (+ (* 30 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 58932#(<= 5590 (+ (* 29 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 58933#(<= 5618 (+ (* 28 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 58934#(<= 5645 (+ (* 27 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 58935#(<= 5671 (+ (* 26 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 58936#(<= 5696 (+ (* 25 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 58937#(<= 5720 (+ (* 24 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 58938#(<= 5743 (+ (* 23 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 58939#(<= 5765 (+ (* 22 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 58940#(<= 5786 (+ (* 21 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 58941#(<= 5806 (+ (* 20 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 58942#(<= 5825 (+ (* 19 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 58943#(<= 5843 (+ (* 18 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 58944#(<= 5860 (+ (* 17 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 58945#(<= 5876 (+ (* 16 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 58946#(<= 5891 (+ (* 15 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 58947#(<= 5905 (+ (* 14 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 58948#(<= 5918 (+ (* 13 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 58949#(<= 5930 (+ (* 12 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 58950#(<= 5941 (+ (* 11 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 58951#(<= 5951 (+ (* 10 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 58952#(<= 5960 (+ (* 9 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 58953#(<= 5968 (+ (* 8 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 58954#(<= 5975 (+ (* 7 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 58955#(<= 5981 (+ (* 6 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 58956#(<= 5986 (+ (* 5 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 58957#(<= 5990 (+ (* 4 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 58958#(<= 5993 (+ (* 3 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 58959#(<= 5995 (+ (* 2 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 58960#(<= 5996 (+ ULTIMATE.start_main_~y~5 ULTIMATE.start_main_~x~5)), 58961#(<= 5996 ULTIMATE.start_main_~x~5), 58962#(<= (+ ULTIMATE.start_main_~y~5 5995) ULTIMATE.start_main_~x~5), 58849#true, 58850#false, 58851#(<= 1 (+ (* 110 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 58852#(<= 110 (+ (* 109 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 58853#(<= 218 (+ (* 108 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 58854#(<= 325 (+ (* 107 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 58855#(<= 431 (+ (* 106 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 58856#(<= 536 (+ (* 105 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 58857#(<= 640 (+ (* 104 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 58858#(<= 743 (+ (* 103 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 58859#(<= 845 (+ (* 102 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 58860#(<= 946 (+ (* 101 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 58861#(<= 1046 (+ (* 100 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 58862#(<= 1145 (+ (* 99 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 58863#(<= 1243 (+ (* 98 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 58864#(<= 1340 (+ (* 97 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 58865#(<= 1436 (+ (* 96 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 58866#(<= 1531 (+ (* 95 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 58867#(<= 1625 (+ (* 94 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 58868#(<= 1718 (+ (* 93 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 58869#(<= 1810 (+ (* 92 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 58870#(<= 1901 (+ (* 91 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 58871#(<= 1991 (+ (* 90 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 58872#(<= 2080 (+ (* 89 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 58873#(<= 2168 (+ (* 88 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 58874#(<= 2255 (+ (* 87 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 58875#(<= 2341 (+ (* 86 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 58876#(<= 2426 (+ (* 85 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 58877#(<= 2510 (+ (* 84 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 58878#(<= 2593 (+ (* 83 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 58879#(<= 2675 (+ (* 82 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5))] [2018-07-23 13:44:18,102 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 13:44:18,102 INFO L450 AbstractCegarLoop]: Interpolant automaton has 114 states [2018-07-23 13:44:18,103 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 114 interpolants. [2018-07-23 13:44:18,103 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=225, Invalid=12657, Unknown=0, NotChecked=0, Total=12882 [2018-07-23 13:44:18,103 INFO L87 Difference]: Start difference. First operand 227 states and 227 transitions. Second operand 114 states. [2018-07-23 13:44:20,052 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-07-23 13:44:20,052 INFO L93 Difference]: Finished difference Result 231 states and 231 transitions. [2018-07-23 13:44:20,053 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 114 states. [2018-07-23 13:44:20,053 INFO L78 Accepts]: Start accepts. Automaton has 114 states. Word has length 226 [2018-07-23 13:44:20,053 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-07-23 13:44:20,053 INFO L225 Difference]: With dead ends: 231 [2018-07-23 13:44:20,053 INFO L226 Difference]: Without dead ends: 229 [2018-07-23 13:44:20,054 INFO L575 BasicCegarLoop]: 0 DeclaredPredicates, 113 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 112 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.6s TimeCoverageRelationStatistics Valid=225, Invalid=12657, Unknown=0, NotChecked=0, Total=12882 [2018-07-23 13:44:20,054 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 229 states. [2018-07-23 13:44:20,139 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 229 to 229. [2018-07-23 13:44:20,140 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 229 states. [2018-07-23 13:44:20,140 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 229 states to 229 states and 229 transitions. [2018-07-23 13:44:20,140 INFO L78 Accepts]: Start accepts. Automaton has 229 states and 229 transitions. Word has length 226 [2018-07-23 13:44:20,140 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-07-23 13:44:20,140 INFO L471 AbstractCegarLoop]: Abstraction has 229 states and 229 transitions. [2018-07-23 13:44:20,140 INFO L472 AbstractCegarLoop]: Interpolant automaton has 114 states. [2018-07-23 13:44:20,141 INFO L276 IsEmpty]: Start isEmpty. Operand 229 states and 229 transitions. [2018-07-23 13:44:20,141 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 229 [2018-07-23 13:44:20,141 INFO L349 BasicCegarLoop]: Found error trace [2018-07-23 13:44:20,141 INFO L357 BasicCegarLoop]: trace histogram [113, 112, 1, 1, 1] [2018-07-23 13:44:20,141 INFO L414 AbstractCegarLoop]: === Iteration 113 === [ULTIMATE.startErr0AssertViolationASSERT]=== [2018-07-23 13:44:20,142 INFO L82 PathProgramCache]: Analyzing trace with hash 1637455429, now seen corresponding path program 112 times [2018-07-23 13:44:20,142 INFO L69 tionRefinementEngine]: Using refinement strategy FixedRefinementStrategy [2018-07-23 13:44:20,420 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-07-23 13:44:21,539 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 13:44:21,540 INFO L309 seRefinementStrategy]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2018-07-23 13:44:21,540 INFO L324 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [114] total 114 [2018-07-23 13:44:21,540 INFO L142 lantAutomatonBuilder]: Constructing canonical interpolant automaton, with selfloop in false state [2018-07-23 13:44:21,540 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-07-23 13:44:21,541 INFO L185 omatonBuilderFactory]: Interpolants [59904#(<= 1920 (+ (* 92 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 59905#(<= 2011 (+ (* 91 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 59906#(<= 2101 (+ (* 90 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 59907#(<= 2190 (+ (* 89 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 59908#(<= 2278 (+ (* 88 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 59909#(<= 2365 (+ (* 87 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 59910#(<= 2451 (+ (* 86 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 59911#(<= 2536 (+ (* 85 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 59912#(<= 2620 (+ (* 84 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 59913#(<= 2703 (+ (* 83 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 59914#(<= 2785 (+ (* 82 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 59915#(<= 2866 (+ (* 81 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 59916#(<= 2946 (+ (* 80 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 59917#(<= 3025 (+ (* 79 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 59918#(<= 3103 (+ (* 78 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 59919#(<= 3180 (+ (* 77 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 59920#(<= 3256 (+ (* 76 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 59921#(<= 3331 (+ (* 75 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 59922#(<= 3405 (+ (* 74 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 59923#(<= 3478 (+ (* 73 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 59924#(<= 3550 (+ (* 72 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 59925#(<= 3621 (+ (* 71 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 59926#(<= 3691 (+ (* 70 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 59927#(<= 3760 (+ (* 69 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 59928#(<= 3828 (+ (* 68 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 59929#(<= 3895 (+ (* 67 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 59930#(<= 3961 (+ (* 66 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 59931#(<= 4026 (+ (* 65 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 59932#(<= 4090 (+ (* 64 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 59933#(<= 4153 (+ (* 63 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 59934#(<= 4215 (+ (* 62 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 59935#(<= 4276 (+ (* 61 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 59936#(<= 4336 (+ (* 60 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 59937#(<= 4395 (+ (* 59 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 59938#(<= 4453 (+ (* 58 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 59939#(<= 4510 (+ (* 57 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 59940#(<= 4566 (+ (* 56 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 59941#(<= 4621 (+ (* 55 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 59942#(<= 4675 (+ (* 54 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 59943#(<= 4728 (+ (* 53 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 59944#(<= 4780 (+ (* 52 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 59945#(<= 4831 (+ (* 51 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 59946#(<= 4881 (+ (* 50 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 59947#(<= 4930 (+ (* 49 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 59948#(<= 4978 (+ (* 48 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 59949#(<= 5025 (+ (* 47 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 59950#(<= 5071 (+ (* 46 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 59951#(<= 5116 (+ (* 45 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 59952#(<= 5160 (+ (* 44 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 59953#(<= 5203 (+ (* 43 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 59954#(<= 5245 (+ (* 42 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 59955#(<= 5286 (+ (* 41 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 59956#(<= 5326 (+ (* 40 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 59957#(<= 5365 (+ (* 39 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 59958#(<= 5403 (+ (* 38 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 59959#(<= 5440 (+ (* 37 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 59960#(<= 5476 (+ (* 36 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 59961#(<= 5511 (+ (* 35 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 59962#(<= 5545 (+ (* 34 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 59963#(<= 5578 (+ (* 33 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 59964#(<= 5610 (+ (* 32 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 59965#(<= 5641 (+ (* 31 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 59966#(<= 5671 (+ (* 30 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 59967#(<= 5700 (+ (* 29 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 59968#(<= 5728 (+ (* 28 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 59969#(<= 5755 (+ (* 27 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 59970#(<= 5781 (+ (* 26 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 59971#(<= 5806 (+ (* 25 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 59972#(<= 5830 (+ (* 24 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 59973#(<= 5853 (+ (* 23 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 59974#(<= 5875 (+ (* 22 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 59975#(<= 5896 (+ (* 21 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 59976#(<= 5916 (+ (* 20 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 59977#(<= 5935 (+ (* 19 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 59978#(<= 5953 (+ (* 18 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 59979#(<= 5970 (+ (* 17 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 59980#(<= 5986 (+ (* 16 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 59981#(<= 6001 (+ (* 15 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 59982#(<= 6015 (+ (* 14 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 59983#(<= 6028 (+ (* 13 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 59984#(<= 6040 (+ (* 12 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 59985#(<= 6051 (+ (* 11 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 59986#(<= 6061 (+ (* 10 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 59987#(<= 6070 (+ (* 9 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 59988#(<= 6078 (+ (* 8 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 59989#(<= 6085 (+ (* 7 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 59990#(<= 6091 (+ (* 6 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 59991#(<= 6096 (+ (* 5 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 59992#(<= 6100 (+ (* 4 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 59993#(<= 6103 (+ (* 3 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 59994#(<= 6105 (+ (* 2 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 59995#(<= 6106 (+ ULTIMATE.start_main_~y~5 ULTIMATE.start_main_~x~5)), 59996#(<= 6106 ULTIMATE.start_main_~x~5), 59997#(<= (+ ULTIMATE.start_main_~y~5 6105) ULTIMATE.start_main_~x~5), 59883#true, 59884#false, 59885#(<= 1 (+ (* 111 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 59886#(<= 111 (+ (* 110 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 59887#(<= 220 (+ (* 109 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 59888#(<= 328 (+ (* 108 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 59889#(<= 435 (+ (* 107 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 59890#(<= 541 (+ (* 106 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 59891#(<= 646 (+ (* 105 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 59892#(<= 750 (+ (* 104 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 59893#(<= 853 (+ (* 103 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 59894#(<= 955 (+ (* 102 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 59895#(<= 1056 (+ (* 101 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 59896#(<= 1156 (+ (* 100 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 59897#(<= 1255 (+ (* 99 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 59898#(<= 1353 (+ (* 98 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 59899#(<= 1450 (+ (* 97 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 59900#(<= 1546 (+ (* 96 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 59901#(<= 1641 (+ (* 95 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 59902#(<= 1735 (+ (* 94 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 59903#(<= 1828 (+ (* 93 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5))] [2018-07-23 13:44:21,541 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 13:44:21,541 INFO L450 AbstractCegarLoop]: Interpolant automaton has 115 states [2018-07-23 13:44:21,542 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 115 interpolants. [2018-07-23 13:44:21,542 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=227, Invalid=12883, Unknown=0, NotChecked=0, Total=13110 [2018-07-23 13:44:21,542 INFO L87 Difference]: Start difference. First operand 229 states and 229 transitions. Second operand 115 states. [2018-07-23 13:44:23,556 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-07-23 13:44:23,556 INFO L93 Difference]: Finished difference Result 233 states and 233 transitions. [2018-07-23 13:44:23,556 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 115 states. [2018-07-23 13:44:23,556 INFO L78 Accepts]: Start accepts. Automaton has 115 states. Word has length 228 [2018-07-23 13:44:23,556 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-07-23 13:44:23,557 INFO L225 Difference]: With dead ends: 233 [2018-07-23 13:44:23,557 INFO L226 Difference]: Without dead ends: 231 [2018-07-23 13:44:23,558 INFO L575 BasicCegarLoop]: 0 DeclaredPredicates, 114 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 113 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.7s TimeCoverageRelationStatistics Valid=227, Invalid=12883, Unknown=0, NotChecked=0, Total=13110 [2018-07-23 13:44:23,558 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 231 states. [2018-07-23 13:44:23,661 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 231 to 231. [2018-07-23 13:44:23,661 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 231 states. [2018-07-23 13:44:23,661 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 231 states to 231 states and 231 transitions. [2018-07-23 13:44:23,661 INFO L78 Accepts]: Start accepts. Automaton has 231 states and 231 transitions. Word has length 228 [2018-07-23 13:44:23,662 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-07-23 13:44:23,662 INFO L471 AbstractCegarLoop]: Abstraction has 231 states and 231 transitions. [2018-07-23 13:44:23,662 INFO L472 AbstractCegarLoop]: Interpolant automaton has 115 states. [2018-07-23 13:44:23,662 INFO L276 IsEmpty]: Start isEmpty. Operand 231 states and 231 transitions. [2018-07-23 13:44:23,662 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 231 [2018-07-23 13:44:23,662 INFO L349 BasicCegarLoop]: Found error trace [2018-07-23 13:44:23,663 INFO L357 BasicCegarLoop]: trace histogram [114, 113, 1, 1, 1] [2018-07-23 13:44:23,663 INFO L414 AbstractCegarLoop]: === Iteration 114 === [ULTIMATE.startErr0AssertViolationASSERT]=== [2018-07-23 13:44:23,663 INFO L82 PathProgramCache]: Analyzing trace with hash 1636569921, now seen corresponding path program 113 times [2018-07-23 13:44:23,663 INFO L69 tionRefinementEngine]: Using refinement strategy FixedRefinementStrategy [2018-07-23 13:44:24,001 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-07-23 13:44:25,169 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 13:44:25,169 INFO L309 seRefinementStrategy]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2018-07-23 13:44:25,170 INFO L324 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [115] total 115 [2018-07-23 13:44:25,170 INFO L142 lantAutomatonBuilder]: Constructing canonical interpolant automaton, with selfloop in false state [2018-07-23 13:44:25,170 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-07-23 13:44:25,170 INFO L185 omatonBuilderFactory]: Interpolants [60928#(<= 1 (+ (* 112 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 60929#(<= 112 (+ (* 111 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 60930#(<= 222 (+ (* 110 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 60931#(<= 331 (+ (* 109 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 60932#(<= 439 (+ (* 108 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 60933#(<= 546 (+ (* 107 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 60934#(<= 652 (+ (* 106 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 60935#(<= 757 (+ (* 105 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 60936#(<= 861 (+ (* 104 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 60937#(<= 964 (+ (* 103 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 60938#(<= 1066 (+ (* 102 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 60939#(<= 1167 (+ (* 101 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 60940#(<= 1267 (+ (* 100 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 60941#(<= 1366 (+ (* 99 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 60942#(<= 1464 (+ (* 98 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 60943#(<= 1561 (+ (* 97 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 60944#(<= 1657 (+ (* 96 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 60945#(<= 1752 (+ (* 95 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 60946#(<= 1846 (+ (* 94 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 60947#(<= 1939 (+ (* 93 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 60948#(<= 2031 (+ (* 92 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 60949#(<= 2122 (+ (* 91 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 60950#(<= 2212 (+ (* 90 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 60951#(<= 2301 (+ (* 89 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 60952#(<= 2389 (+ (* 88 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 60953#(<= 2476 (+ (* 87 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 60954#(<= 2562 (+ (* 86 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 60955#(<= 2647 (+ (* 85 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 60956#(<= 2731 (+ (* 84 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 60957#(<= 2814 (+ (* 83 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 60958#(<= 2896 (+ (* 82 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 60959#(<= 2977 (+ (* 81 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 60960#(<= 3057 (+ (* 80 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 60961#(<= 3136 (+ (* 79 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 60962#(<= 3214 (+ (* 78 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 60963#(<= 3291 (+ (* 77 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 60964#(<= 3367 (+ (* 76 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 60965#(<= 3442 (+ (* 75 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 60966#(<= 3516 (+ (* 74 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 60967#(<= 3589 (+ (* 73 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 60968#(<= 3661 (+ (* 72 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 60969#(<= 3732 (+ (* 71 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 60970#(<= 3802 (+ (* 70 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 60971#(<= 3871 (+ (* 69 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 60972#(<= 3939 (+ (* 68 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 60973#(<= 4006 (+ (* 67 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 60974#(<= 4072 (+ (* 66 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 60975#(<= 4137 (+ (* 65 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 60976#(<= 4201 (+ (* 64 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 60977#(<= 4264 (+ (* 63 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 60978#(<= 4326 (+ (* 62 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 60979#(<= 4387 (+ (* 61 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 60980#(<= 4447 (+ (* 60 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 60981#(<= 4506 (+ (* 59 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 60982#(<= 4564 (+ (* 58 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 60983#(<= 4621 (+ (* 57 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 60984#(<= 4677 (+ (* 56 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 60985#(<= 4732 (+ (* 55 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 60986#(<= 4786 (+ (* 54 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 60987#(<= 4839 (+ (* 53 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 60988#(<= 4891 (+ (* 52 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 60989#(<= 4942 (+ (* 51 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 60990#(<= 4992 (+ (* 50 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 60991#(<= 5041 (+ (* 49 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 60992#(<= 5089 (+ (* 48 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 60993#(<= 5136 (+ (* 47 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 60994#(<= 5182 (+ (* 46 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 60995#(<= 5227 (+ (* 45 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 60996#(<= 5271 (+ (* 44 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 60997#(<= 5314 (+ (* 43 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 60998#(<= 5356 (+ (* 42 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 60999#(<= 5397 (+ (* 41 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 61000#(<= 5437 (+ (* 40 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 61001#(<= 5476 (+ (* 39 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 61002#(<= 5514 (+ (* 38 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 61003#(<= 5551 (+ (* 37 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 61004#(<= 5587 (+ (* 36 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 61005#(<= 5622 (+ (* 35 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 61006#(<= 5656 (+ (* 34 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 61007#(<= 5689 (+ (* 33 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 61008#(<= 5721 (+ (* 32 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 61009#(<= 5752 (+ (* 31 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 61010#(<= 5782 (+ (* 30 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 61011#(<= 5811 (+ (* 29 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 61012#(<= 5839 (+ (* 28 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 61013#(<= 5866 (+ (* 27 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 61014#(<= 5892 (+ (* 26 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 61015#(<= 5917 (+ (* 25 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 61016#(<= 5941 (+ (* 24 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 61017#(<= 5964 (+ (* 23 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 61018#(<= 5986 (+ (* 22 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 61019#(<= 6007 (+ (* 21 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 61020#(<= 6027 (+ (* 20 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 61021#(<= 6046 (+ (* 19 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 61022#(<= 6064 (+ (* 18 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 61023#(<= 6081 (+ (* 17 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 61024#(<= 6097 (+ (* 16 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 61025#(<= 6112 (+ (* 15 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 61026#(<= 6126 (+ (* 14 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 61027#(<= 6139 (+ (* 13 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 61028#(<= 6151 (+ (* 12 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 61029#(<= 6162 (+ (* 11 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 61030#(<= 6172 (+ (* 10 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 61031#(<= 6181 (+ (* 9 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 61032#(<= 6189 (+ (* 8 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 61033#(<= 6196 (+ (* 7 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 61034#(<= 6202 (+ (* 6 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 61035#(<= 6207 (+ (* 5 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 61036#(<= 6211 (+ (* 4 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 61037#(<= 6214 (+ (* 3 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 61038#(<= 6216 (+ (* 2 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 61039#(<= 6217 (+ ULTIMATE.start_main_~y~5 ULTIMATE.start_main_~x~5)), 61040#(<= 6217 ULTIMATE.start_main_~x~5), 61041#(<= (+ ULTIMATE.start_main_~y~5 6216) ULTIMATE.start_main_~x~5), 60926#true, 60927#false] [2018-07-23 13:44:25,171 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 13:44:25,171 INFO L450 AbstractCegarLoop]: Interpolant automaton has 116 states [2018-07-23 13:44:25,171 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 116 interpolants. [2018-07-23 13:44:25,172 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=229, Invalid=13111, Unknown=0, NotChecked=0, Total=13340 [2018-07-23 13:44:25,172 INFO L87 Difference]: Start difference. First operand 231 states and 231 transitions. Second operand 116 states. [2018-07-23 13:44:27,368 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-07-23 13:44:27,368 INFO L93 Difference]: Finished difference Result 235 states and 235 transitions. [2018-07-23 13:44:27,368 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 116 states. [2018-07-23 13:44:27,369 INFO L78 Accepts]: Start accepts. Automaton has 116 states. Word has length 230 [2018-07-23 13:44:27,369 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-07-23 13:44:27,369 INFO L225 Difference]: With dead ends: 235 [2018-07-23 13:44:27,369 INFO L226 Difference]: Without dead ends: 233 [2018-07-23 13:44:27,370 INFO L575 BasicCegarLoop]: 0 DeclaredPredicates, 115 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 114 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.7s TimeCoverageRelationStatistics Valid=229, Invalid=13111, Unknown=0, NotChecked=0, Total=13340 [2018-07-23 13:44:27,371 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 233 states. [2018-07-23 13:44:27,453 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 233 to 233. [2018-07-23 13:44:27,453 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 233 states. [2018-07-23 13:44:27,453 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 233 states to 233 states and 233 transitions. [2018-07-23 13:44:27,453 INFO L78 Accepts]: Start accepts. Automaton has 233 states and 233 transitions. Word has length 230 [2018-07-23 13:44:27,453 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-07-23 13:44:27,454 INFO L471 AbstractCegarLoop]: Abstraction has 233 states and 233 transitions. [2018-07-23 13:44:27,454 INFO L472 AbstractCegarLoop]: Interpolant automaton has 116 states. [2018-07-23 13:44:27,454 INFO L276 IsEmpty]: Start isEmpty. Operand 233 states and 233 transitions. [2018-07-23 13:44:27,454 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 233 [2018-07-23 13:44:27,454 INFO L349 BasicCegarLoop]: Found error trace [2018-07-23 13:44:27,454 INFO L357 BasicCegarLoop]: trace histogram [115, 114, 1, 1, 1] [2018-07-23 13:44:27,454 INFO L414 AbstractCegarLoop]: === Iteration 115 === [ULTIMATE.startErr0AssertViolationASSERT]=== [2018-07-23 13:44:27,455 INFO L82 PathProgramCache]: Analyzing trace with hash 785596733, now seen corresponding path program 114 times [2018-07-23 13:44:27,455 INFO L69 tionRefinementEngine]: Using refinement strategy FixedRefinementStrategy [2018-07-23 13:44:27,727 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-07-23 13:44:28,855 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 13:44:28,855 INFO L309 seRefinementStrategy]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2018-07-23 13:44:28,855 INFO L324 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [116] total 116 [2018-07-23 13:44:28,856 INFO L142 lantAutomatonBuilder]: Constructing canonical interpolant automaton, with selfloop in false state [2018-07-23 13:44:28,856 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-07-23 13:44:28,856 INFO L185 omatonBuilderFactory]: Interpolants [61978#true, 61979#false, 61980#(<= 1 (+ (* 113 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 61981#(<= 113 (+ (* 112 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 61982#(<= 224 (+ (* 111 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 61983#(<= 334 (+ (* 110 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 61984#(<= 443 (+ (* 109 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 61985#(<= 551 (+ (* 108 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 61986#(<= 658 (+ (* 107 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 61987#(<= 764 (+ (* 106 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 61988#(<= 869 (+ (* 105 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 61989#(<= 973 (+ (* 104 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 61990#(<= 1076 (+ (* 103 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 61991#(<= 1178 (+ (* 102 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 61992#(<= 1279 (+ (* 101 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 61993#(<= 1379 (+ (* 100 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 61994#(<= 1478 (+ (* 99 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 61995#(<= 1576 (+ (* 98 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 61996#(<= 1673 (+ (* 97 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 61997#(<= 1769 (+ (* 96 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 61998#(<= 1864 (+ (* 95 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 61999#(<= 1958 (+ (* 94 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 62000#(<= 2051 (+ (* 93 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 62001#(<= 2143 (+ (* 92 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 62002#(<= 2234 (+ (* 91 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 62003#(<= 2324 (+ (* 90 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 62004#(<= 2413 (+ (* 89 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 62005#(<= 2501 (+ (* 88 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 62006#(<= 2588 (+ (* 87 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 62007#(<= 2674 (+ (* 86 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 62008#(<= 2759 (+ (* 85 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 62009#(<= 2843 (+ (* 84 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 62010#(<= 2926 (+ (* 83 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 62011#(<= 3008 (+ (* 82 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 62012#(<= 3089 (+ (* 81 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 62013#(<= 3169 (+ (* 80 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 62014#(<= 3248 (+ (* 79 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 62015#(<= 3326 (+ (* 78 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 62016#(<= 3403 (+ (* 77 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 62017#(<= 3479 (+ (* 76 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 62018#(<= 3554 (+ (* 75 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 62019#(<= 3628 (+ (* 74 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 62020#(<= 3701 (+ (* 73 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 62021#(<= 3773 (+ (* 72 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 62022#(<= 3844 (+ (* 71 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 62023#(<= 3914 (+ (* 70 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 62024#(<= 3983 (+ (* 69 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 62025#(<= 4051 (+ (* 68 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 62026#(<= 4118 (+ (* 67 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 62027#(<= 4184 (+ (* 66 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 62028#(<= 4249 (+ (* 65 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 62029#(<= 4313 (+ (* 64 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 62030#(<= 4376 (+ (* 63 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 62031#(<= 4438 (+ (* 62 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 62032#(<= 4499 (+ (* 61 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 62033#(<= 4559 (+ (* 60 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 62034#(<= 4618 (+ (* 59 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 62035#(<= 4676 (+ (* 58 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 62036#(<= 4733 (+ (* 57 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 62037#(<= 4789 (+ (* 56 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 62038#(<= 4844 (+ (* 55 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 62039#(<= 4898 (+ (* 54 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 62040#(<= 4951 (+ (* 53 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 62041#(<= 5003 (+ (* 52 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 62042#(<= 5054 (+ (* 51 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 62043#(<= 5104 (+ (* 50 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 62044#(<= 5153 (+ (* 49 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 62045#(<= 5201 (+ (* 48 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 62046#(<= 5248 (+ (* 47 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 62047#(<= 5294 (+ (* 46 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 62048#(<= 5339 (+ (* 45 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 62049#(<= 5383 (+ (* 44 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 62050#(<= 5426 (+ (* 43 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 62051#(<= 5468 (+ (* 42 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 62052#(<= 5509 (+ (* 41 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 62053#(<= 5549 (+ (* 40 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 62054#(<= 5588 (+ (* 39 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 62055#(<= 5626 (+ (* 38 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 62056#(<= 5663 (+ (* 37 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 62057#(<= 5699 (+ (* 36 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 62058#(<= 5734 (+ (* 35 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 62059#(<= 5768 (+ (* 34 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 62060#(<= 5801 (+ (* 33 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 62061#(<= 5833 (+ (* 32 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 62062#(<= 5864 (+ (* 31 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 62063#(<= 5894 (+ (* 30 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 62064#(<= 5923 (+ (* 29 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 62065#(<= 5951 (+ (* 28 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 62066#(<= 5978 (+ (* 27 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 62067#(<= 6004 (+ (* 26 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 62068#(<= 6029 (+ (* 25 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 62069#(<= 6053 (+ (* 24 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 62070#(<= 6076 (+ (* 23 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 62071#(<= 6098 (+ (* 22 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 62072#(<= 6119 (+ (* 21 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 62073#(<= 6139 (+ (* 20 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 62074#(<= 6158 (+ (* 19 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 62075#(<= 6176 (+ (* 18 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 62076#(<= 6193 (+ (* 17 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 62077#(<= 6209 (+ (* 16 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 62078#(<= 6224 (+ (* 15 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 62079#(<= 6238 (+ (* 14 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 62080#(<= 6251 (+ (* 13 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 62081#(<= 6263 (+ (* 12 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 62082#(<= 6274 (+ (* 11 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 62083#(<= 6284 (+ (* 10 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 62084#(<= 6293 (+ (* 9 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 62085#(<= 6301 (+ (* 8 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 62086#(<= 6308 (+ (* 7 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 62087#(<= 6314 (+ (* 6 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 62088#(<= 6319 (+ (* 5 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 62089#(<= 6323 (+ (* 4 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 62090#(<= 6326 (+ (* 3 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 62091#(<= 6328 (+ (* 2 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 62092#(<= 6329 (+ ULTIMATE.start_main_~y~5 ULTIMATE.start_main_~x~5)), 62093#(<= 6329 ULTIMATE.start_main_~x~5), 62094#(<= (+ ULTIMATE.start_main_~y~5 6328) ULTIMATE.start_main_~x~5)] [2018-07-23 13:44:28,857 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 13:44:28,857 INFO L450 AbstractCegarLoop]: Interpolant automaton has 117 states [2018-07-23 13:44:28,857 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 117 interpolants. [2018-07-23 13:44:28,858 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=231, Invalid=13341, Unknown=0, NotChecked=0, Total=13572 [2018-07-23 13:44:28,858 INFO L87 Difference]: Start difference. First operand 233 states and 233 transitions. Second operand 117 states. [2018-07-23 13:44:31,097 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-07-23 13:44:31,098 INFO L93 Difference]: Finished difference Result 237 states and 237 transitions. [2018-07-23 13:44:31,098 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 117 states. [2018-07-23 13:44:31,098 INFO L78 Accepts]: Start accepts. Automaton has 117 states. Word has length 232 [2018-07-23 13:44:31,098 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-07-23 13:44:31,099 INFO L225 Difference]: With dead ends: 237 [2018-07-23 13:44:31,099 INFO L226 Difference]: Without dead ends: 235 [2018-07-23 13:44:31,099 INFO L575 BasicCegarLoop]: 0 DeclaredPredicates, 116 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 115 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.7s TimeCoverageRelationStatistics Valid=231, Invalid=13341, Unknown=0, NotChecked=0, Total=13572 [2018-07-23 13:44:31,100 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 235 states. [2018-07-23 13:44:31,189 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 235 to 235. [2018-07-23 13:44:31,189 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 235 states. [2018-07-23 13:44:31,189 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 235 states to 235 states and 235 transitions. [2018-07-23 13:44:31,189 INFO L78 Accepts]: Start accepts. Automaton has 235 states and 235 transitions. Word has length 232 [2018-07-23 13:44:31,190 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-07-23 13:44:31,190 INFO L471 AbstractCegarLoop]: Abstraction has 235 states and 235 transitions. [2018-07-23 13:44:31,190 INFO L472 AbstractCegarLoop]: Interpolant automaton has 117 states. [2018-07-23 13:44:31,190 INFO L276 IsEmpty]: Start isEmpty. Operand 235 states and 235 transitions. [2018-07-23 13:44:31,190 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 235 [2018-07-23 13:44:31,190 INFO L349 BasicCegarLoop]: Found error trace [2018-07-23 13:44:31,191 INFO L357 BasicCegarLoop]: trace histogram [116, 115, 1, 1, 1] [2018-07-23 13:44:31,191 INFO L414 AbstractCegarLoop]: === Iteration 116 === [ULTIMATE.startErr0AssertViolationASSERT]=== [2018-07-23 13:44:31,191 INFO L82 PathProgramCache]: Analyzing trace with hash -955850695, now seen corresponding path program 115 times [2018-07-23 13:44:31,191 INFO L69 tionRefinementEngine]: Using refinement strategy FixedRefinementStrategy [2018-07-23 13:44:31,483 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-07-23 13:44:32,630 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 13:44:32,631 INFO L309 seRefinementStrategy]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2018-07-23 13:44:32,631 INFO L324 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [117] total 117 [2018-07-23 13:44:32,631 INFO L142 lantAutomatonBuilder]: Constructing canonical interpolant automaton, with selfloop in false state [2018-07-23 13:44:32,631 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-07-23 13:44:32,632 INFO L185 omatonBuilderFactory]: Interpolants [63039#true, 63040#false, 63041#(<= 1 (+ (* 114 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 63042#(<= 114 (+ (* 113 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 63043#(<= 226 (+ (* 112 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 63044#(<= 337 (+ (* 111 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 63045#(<= 447 (+ (* 110 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 63046#(<= 556 (+ (* 109 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 63047#(<= 664 (+ (* 108 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 63048#(<= 771 (+ (* 107 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 63049#(<= 877 (+ (* 106 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 63050#(<= 982 (+ (* 105 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 63051#(<= 1086 (+ (* 104 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 63052#(<= 1189 (+ (* 103 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 63053#(<= 1291 (+ (* 102 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 63054#(<= 1392 (+ (* 101 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 63055#(<= 1492 (+ (* 100 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 63056#(<= 1591 (+ (* 99 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 63057#(<= 1689 (+ (* 98 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 63058#(<= 1786 (+ (* 97 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 63059#(<= 1882 (+ (* 96 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 63060#(<= 1977 (+ (* 95 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 63061#(<= 2071 (+ (* 94 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 63062#(<= 2164 (+ (* 93 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 63063#(<= 2256 (+ (* 92 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 63064#(<= 2347 (+ (* 91 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 63065#(<= 2437 (+ (* 90 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 63066#(<= 2526 (+ (* 89 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 63067#(<= 2614 (+ (* 88 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 63068#(<= 2701 (+ (* 87 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 63069#(<= 2787 (+ (* 86 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 63070#(<= 2872 (+ (* 85 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 63071#(<= 2956 (+ (* 84 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 63072#(<= 3039 (+ (* 83 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 63073#(<= 3121 (+ (* 82 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 63074#(<= 3202 (+ (* 81 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 63075#(<= 3282 (+ (* 80 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 63076#(<= 3361 (+ (* 79 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 63077#(<= 3439 (+ (* 78 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 63078#(<= 3516 (+ (* 77 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 63079#(<= 3592 (+ (* 76 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 63080#(<= 3667 (+ (* 75 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 63081#(<= 3741 (+ (* 74 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 63082#(<= 3814 (+ (* 73 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 63083#(<= 3886 (+ (* 72 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 63084#(<= 3957 (+ (* 71 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 63085#(<= 4027 (+ (* 70 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 63086#(<= 4096 (+ (* 69 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 63087#(<= 4164 (+ (* 68 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 63088#(<= 4231 (+ (* 67 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 63089#(<= 4297 (+ (* 66 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 63090#(<= 4362 (+ (* 65 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 63091#(<= 4426 (+ (* 64 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 63092#(<= 4489 (+ (* 63 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 63093#(<= 4551 (+ (* 62 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 63094#(<= 4612 (+ (* 61 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 63095#(<= 4672 (+ (* 60 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 63096#(<= 4731 (+ (* 59 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 63097#(<= 4789 (+ (* 58 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 63098#(<= 4846 (+ (* 57 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 63099#(<= 4902 (+ (* 56 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 63100#(<= 4957 (+ (* 55 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 63101#(<= 5011 (+ (* 54 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 63102#(<= 5064 (+ (* 53 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 63103#(<= 5116 (+ (* 52 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 63104#(<= 5167 (+ (* 51 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 63105#(<= 5217 (+ (* 50 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 63106#(<= 5266 (+ (* 49 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 63107#(<= 5314 (+ (* 48 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 63108#(<= 5361 (+ (* 47 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 63109#(<= 5407 (+ (* 46 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 63110#(<= 5452 (+ (* 45 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 63111#(<= 5496 (+ (* 44 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 63112#(<= 5539 (+ (* 43 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 63113#(<= 5581 (+ (* 42 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 63114#(<= 5622 (+ (* 41 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 63115#(<= 5662 (+ (* 40 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 63116#(<= 5701 (+ (* 39 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 63117#(<= 5739 (+ (* 38 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 63118#(<= 5776 (+ (* 37 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 63119#(<= 5812 (+ (* 36 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 63120#(<= 5847 (+ (* 35 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 63121#(<= 5881 (+ (* 34 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 63122#(<= 5914 (+ (* 33 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 63123#(<= 5946 (+ (* 32 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 63124#(<= 5977 (+ (* 31 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 63125#(<= 6007 (+ (* 30 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 63126#(<= 6036 (+ (* 29 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 63127#(<= 6064 (+ (* 28 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 63128#(<= 6091 (+ (* 27 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 63129#(<= 6117 (+ (* 26 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 63130#(<= 6142 (+ (* 25 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 63131#(<= 6166 (+ (* 24 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 63132#(<= 6189 (+ (* 23 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 63133#(<= 6211 (+ (* 22 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 63134#(<= 6232 (+ (* 21 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 63135#(<= 6252 (+ (* 20 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 63136#(<= 6271 (+ (* 19 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 63137#(<= 6289 (+ (* 18 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 63138#(<= 6306 (+ (* 17 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 63139#(<= 6322 (+ (* 16 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 63140#(<= 6337 (+ (* 15 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 63141#(<= 6351 (+ (* 14 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 63142#(<= 6364 (+ (* 13 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 63143#(<= 6376 (+ (* 12 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 63144#(<= 6387 (+ (* 11 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 63145#(<= 6397 (+ (* 10 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 63146#(<= 6406 (+ (* 9 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 63147#(<= 6414 (+ (* 8 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 63148#(<= 6421 (+ (* 7 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 63149#(<= 6427 (+ (* 6 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 63150#(<= 6432 (+ (* 5 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 63151#(<= 6436 (+ (* 4 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 63152#(<= 6439 (+ (* 3 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 63153#(<= 6441 (+ (* 2 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 63154#(<= 6442 (+ ULTIMATE.start_main_~y~5 ULTIMATE.start_main_~x~5)), 63155#(<= 6442 ULTIMATE.start_main_~x~5), 63156#(<= (+ ULTIMATE.start_main_~y~5 6441) ULTIMATE.start_main_~x~5)] [2018-07-23 13:44:32,632 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 13:44:32,633 INFO L450 AbstractCegarLoop]: Interpolant automaton has 118 states [2018-07-23 13:44:32,633 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 118 interpolants. [2018-07-23 13:44:32,633 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=233, Invalid=13573, Unknown=0, NotChecked=0, Total=13806 [2018-07-23 13:44:32,633 INFO L87 Difference]: Start difference. First operand 235 states and 235 transitions. Second operand 118 states. [2018-07-23 13:44:34,911 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-07-23 13:44:34,912 INFO L93 Difference]: Finished difference Result 239 states and 239 transitions. [2018-07-23 13:44:34,912 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 118 states. [2018-07-23 13:44:34,912 INFO L78 Accepts]: Start accepts. Automaton has 118 states. Word has length 234 [2018-07-23 13:44:34,912 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-07-23 13:44:34,913 INFO L225 Difference]: With dead ends: 239 [2018-07-23 13:44:34,913 INFO L226 Difference]: Without dead ends: 237 [2018-07-23 13:44:34,914 INFO L575 BasicCegarLoop]: 0 DeclaredPredicates, 117 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 116 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.8s TimeCoverageRelationStatistics Valid=233, Invalid=13573, Unknown=0, NotChecked=0, Total=13806 [2018-07-23 13:44:34,914 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 237 states. [2018-07-23 13:44:35,003 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 237 to 237. [2018-07-23 13:44:35,004 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 237 states. [2018-07-23 13:44:35,004 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 237 states to 237 states and 237 transitions. [2018-07-23 13:44:35,004 INFO L78 Accepts]: Start accepts. Automaton has 237 states and 237 transitions. Word has length 234 [2018-07-23 13:44:35,004 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-07-23 13:44:35,004 INFO L471 AbstractCegarLoop]: Abstraction has 237 states and 237 transitions. [2018-07-23 13:44:35,004 INFO L472 AbstractCegarLoop]: Interpolant automaton has 118 states. [2018-07-23 13:44:35,005 INFO L276 IsEmpty]: Start isEmpty. Operand 237 states and 237 transitions. [2018-07-23 13:44:35,005 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 237 [2018-07-23 13:44:35,005 INFO L349 BasicCegarLoop]: Found error trace [2018-07-23 13:44:35,005 INFO L357 BasicCegarLoop]: trace histogram [117, 116, 1, 1, 1] [2018-07-23 13:44:35,005 INFO L414 AbstractCegarLoop]: === Iteration 117 === [ULTIMATE.startErr0AssertViolationASSERT]=== [2018-07-23 13:44:35,006 INFO L82 PathProgramCache]: Analyzing trace with hash 550416437, now seen corresponding path program 116 times [2018-07-23 13:44:35,006 INFO L69 tionRefinementEngine]: Using refinement strategy FixedRefinementStrategy [2018-07-23 13:44:35,333 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-07-23 13:44:36,577 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 13:44:36,578 INFO L309 seRefinementStrategy]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2018-07-23 13:44:36,578 INFO L324 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [118] total 118 [2018-07-23 13:44:36,578 INFO L142 lantAutomatonBuilder]: Constructing canonical interpolant automaton, with selfloop in false state [2018-07-23 13:44:36,578 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-07-23 13:44:36,579 INFO L185 omatonBuilderFactory]: Interpolants [64109#true, 64110#false, 64111#(<= 1 (+ (* 115 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 64112#(<= 115 (+ (* 114 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 64113#(<= 228 (+ (* 113 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 64114#(<= 340 (+ (* 112 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 64115#(<= 451 (+ (* 111 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 64116#(<= 561 (+ (* 110 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 64117#(<= 670 (+ (* 109 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 64118#(<= 778 (+ (* 108 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 64119#(<= 885 (+ (* 107 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 64120#(<= 991 (+ (* 106 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 64121#(<= 1096 (+ (* 105 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 64122#(<= 1200 (+ (* 104 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 64123#(<= 1303 (+ (* 103 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 64124#(<= 1405 (+ (* 102 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 64125#(<= 1506 (+ (* 101 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 64126#(<= 1606 (+ (* 100 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 64127#(<= 1705 (+ (* 99 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 64128#(<= 1803 (+ (* 98 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 64129#(<= 1900 (+ (* 97 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 64130#(<= 1996 (+ (* 96 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 64131#(<= 2091 (+ (* 95 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 64132#(<= 2185 (+ (* 94 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 64133#(<= 2278 (+ (* 93 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 64134#(<= 2370 (+ (* 92 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 64135#(<= 2461 (+ (* 91 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 64136#(<= 2551 (+ (* 90 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 64137#(<= 2640 (+ (* 89 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 64138#(<= 2728 (+ (* 88 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 64139#(<= 2815 (+ (* 87 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 64140#(<= 2901 (+ (* 86 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 64141#(<= 2986 (+ (* 85 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 64142#(<= 3070 (+ (* 84 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 64143#(<= 3153 (+ (* 83 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 64144#(<= 3235 (+ (* 82 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 64145#(<= 3316 (+ (* 81 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 64146#(<= 3396 (+ (* 80 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 64147#(<= 3475 (+ (* 79 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 64148#(<= 3553 (+ (* 78 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 64149#(<= 3630 (+ (* 77 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 64150#(<= 3706 (+ (* 76 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 64151#(<= 3781 (+ (* 75 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 64152#(<= 3855 (+ (* 74 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 64153#(<= 3928 (+ (* 73 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 64154#(<= 4000 (+ (* 72 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 64155#(<= 4071 (+ (* 71 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 64156#(<= 4141 (+ (* 70 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 64157#(<= 4210 (+ (* 69 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 64158#(<= 4278 (+ (* 68 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 64159#(<= 4345 (+ (* 67 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 64160#(<= 4411 (+ (* 66 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 64161#(<= 4476 (+ (* 65 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 64162#(<= 4540 (+ (* 64 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 64163#(<= 4603 (+ (* 63 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 64164#(<= 4665 (+ (* 62 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 64165#(<= 4726 (+ (* 61 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 64166#(<= 4786 (+ (* 60 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 64167#(<= 4845 (+ (* 59 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 64168#(<= 4903 (+ (* 58 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 64169#(<= 4960 (+ (* 57 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 64170#(<= 5016 (+ (* 56 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 64171#(<= 5071 (+ (* 55 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 64172#(<= 5125 (+ (* 54 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 64173#(<= 5178 (+ (* 53 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 64174#(<= 5230 (+ (* 52 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 64175#(<= 5281 (+ (* 51 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 64176#(<= 5331 (+ (* 50 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 64177#(<= 5380 (+ (* 49 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 64178#(<= 5428 (+ (* 48 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 64179#(<= 5475 (+ (* 47 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 64180#(<= 5521 (+ (* 46 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 64181#(<= 5566 (+ (* 45 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 64182#(<= 5610 (+ (* 44 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 64183#(<= 5653 (+ (* 43 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 64184#(<= 5695 (+ (* 42 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 64185#(<= 5736 (+ (* 41 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 64186#(<= 5776 (+ (* 40 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 64187#(<= 5815 (+ (* 39 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 64188#(<= 5853 (+ (* 38 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 64189#(<= 5890 (+ (* 37 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 64190#(<= 5926 (+ (* 36 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 64191#(<= 5961 (+ (* 35 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 64192#(<= 5995 (+ (* 34 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 64193#(<= 6028 (+ (* 33 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 64194#(<= 6060 (+ (* 32 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 64195#(<= 6091 (+ (* 31 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 64196#(<= 6121 (+ (* 30 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 64197#(<= 6150 (+ (* 29 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 64198#(<= 6178 (+ (* 28 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 64199#(<= 6205 (+ (* 27 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 64200#(<= 6231 (+ (* 26 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 64201#(<= 6256 (+ (* 25 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 64202#(<= 6280 (+ (* 24 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 64203#(<= 6303 (+ (* 23 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 64204#(<= 6325 (+ (* 22 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 64205#(<= 6346 (+ (* 21 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 64206#(<= 6366 (+ (* 20 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 64207#(<= 6385 (+ (* 19 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 64208#(<= 6403 (+ (* 18 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 64209#(<= 6420 (+ (* 17 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 64210#(<= 6436 (+ (* 16 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 64211#(<= 6451 (+ (* 15 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 64212#(<= 6465 (+ (* 14 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 64213#(<= 6478 (+ (* 13 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 64214#(<= 6490 (+ (* 12 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 64215#(<= 6501 (+ (* 11 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 64216#(<= 6511 (+ (* 10 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 64217#(<= 6520 (+ (* 9 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 64218#(<= 6528 (+ (* 8 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 64219#(<= 6535 (+ (* 7 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 64220#(<= 6541 (+ (* 6 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 64221#(<= 6546 (+ (* 5 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 64222#(<= 6550 (+ (* 4 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 64223#(<= 6553 (+ (* 3 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 64224#(<= 6555 (+ (* 2 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 64225#(<= 6556 (+ ULTIMATE.start_main_~y~5 ULTIMATE.start_main_~x~5)), 64226#(<= 6556 ULTIMATE.start_main_~x~5), 64227#(<= (+ ULTIMATE.start_main_~y~5 6555) ULTIMATE.start_main_~x~5)] [2018-07-23 13:44:36,579 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 13:44:36,579 INFO L450 AbstractCegarLoop]: Interpolant automaton has 119 states [2018-07-23 13:44:36,580 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 119 interpolants. [2018-07-23 13:44:36,580 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=235, Invalid=13807, Unknown=0, NotChecked=0, Total=14042 [2018-07-23 13:44:36,580 INFO L87 Difference]: Start difference. First operand 237 states and 237 transitions. Second operand 119 states. [2018-07-23 13:44:38,891 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-07-23 13:44:38,892 INFO L93 Difference]: Finished difference Result 241 states and 241 transitions. [2018-07-23 13:44:38,892 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 119 states. [2018-07-23 13:44:38,892 INFO L78 Accepts]: Start accepts. Automaton has 119 states. Word has length 236 [2018-07-23 13:44:38,892 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-07-23 13:44:38,892 INFO L225 Difference]: With dead ends: 241 [2018-07-23 13:44:38,893 INFO L226 Difference]: Without dead ends: 239 [2018-07-23 13:44:38,893 INFO L575 BasicCegarLoop]: 0 DeclaredPredicates, 118 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 117 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.8s TimeCoverageRelationStatistics Valid=235, Invalid=13807, Unknown=0, NotChecked=0, Total=14042 [2018-07-23 13:44:38,893 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 239 states. [2018-07-23 13:44:38,986 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 239 to 239. [2018-07-23 13:44:38,986 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 239 states. [2018-07-23 13:44:38,986 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 239 states to 239 states and 239 transitions. [2018-07-23 13:44:38,986 INFO L78 Accepts]: Start accepts. Automaton has 239 states and 239 transitions. Word has length 236 [2018-07-23 13:44:38,986 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-07-23 13:44:38,986 INFO L471 AbstractCegarLoop]: Abstraction has 239 states and 239 transitions. [2018-07-23 13:44:38,987 INFO L472 AbstractCegarLoop]: Interpolant automaton has 119 states. [2018-07-23 13:44:38,987 INFO L276 IsEmpty]: Start isEmpty. Operand 239 states and 239 transitions. [2018-07-23 13:44:38,987 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 239 [2018-07-23 13:44:38,987 INFO L349 BasicCegarLoop]: Found error trace [2018-07-23 13:44:38,987 INFO L357 BasicCegarLoop]: trace histogram [118, 117, 1, 1, 1] [2018-07-23 13:44:38,988 INFO L414 AbstractCegarLoop]: === Iteration 118 === [ULTIMATE.startErr0AssertViolationASSERT]=== [2018-07-23 13:44:38,988 INFO L82 PathProgramCache]: Analyzing trace with hash 669151537, now seen corresponding path program 117 times [2018-07-23 13:44:38,988 INFO L69 tionRefinementEngine]: Using refinement strategy FixedRefinementStrategy [2018-07-23 13:44:39,308 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-07-23 13:44:40,546 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 13:44:40,547 INFO L309 seRefinementStrategy]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2018-07-23 13:44:40,547 INFO L324 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [119] total 119 [2018-07-23 13:44:40,547 INFO L142 lantAutomatonBuilder]: Constructing canonical interpolant automaton, with selfloop in false state [2018-07-23 13:44:40,547 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 13:44:40,548 INFO L185 omatonBuilderFactory]: Interpolants [65280#(<= 6346 (+ (* 26 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 65281#(<= 6371 (+ (* 25 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 65282#(<= 6395 (+ (* 24 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 65283#(<= 6418 (+ (* 23 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 65284#(<= 6440 (+ (* 22 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 65285#(<= 6461 (+ (* 21 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 65286#(<= 6481 (+ (* 20 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 65287#(<= 6500 (+ (* 19 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 65288#(<= 6518 (+ (* 18 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 65289#(<= 6535 (+ (* 17 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 65290#(<= 6551 (+ (* 16 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 65291#(<= 6566 (+ (* 15 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 65292#(<= 6580 (+ (* 14 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 65293#(<= 6593 (+ (* 13 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 65294#(<= 6605 (+ (* 12 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 65295#(<= 6616 (+ (* 11 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 65296#(<= 6626 (+ (* 10 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 65297#(<= 6635 (+ (* 9 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 65298#(<= 6643 (+ (* 8 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 65299#(<= 6650 (+ (* 7 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 65300#(<= 6656 (+ (* 6 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 65301#(<= 6661 (+ (* 5 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 65302#(<= 6665 (+ (* 4 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 65303#(<= 6668 (+ (* 3 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 65304#(<= 6670 (+ (* 2 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 65305#(<= 6671 (+ ULTIMATE.start_main_~y~5 ULTIMATE.start_main_~x~5)), 65306#(<= 6671 ULTIMATE.start_main_~x~5), 65307#(<= (+ ULTIMATE.start_main_~y~5 6670) ULTIMATE.start_main_~x~5), 65188#true, 65189#false, 65190#(<= 1 (+ (* 116 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 65191#(<= 116 (+ (* 115 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 65192#(<= 230 (+ (* 114 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 65193#(<= 343 (+ (* 113 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 65194#(<= 455 (+ (* 112 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 65195#(<= 566 (+ (* 111 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 65196#(<= 676 (+ (* 110 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 65197#(<= 785 (+ (* 109 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 65198#(<= 893 (+ (* 108 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 65199#(<= 1000 (+ (* 107 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 65200#(<= 1106 (+ (* 106 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 65201#(<= 1211 (+ (* 105 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 65202#(<= 1315 (+ (* 104 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 65203#(<= 1418 (+ (* 103 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 65204#(<= 1520 (+ (* 102 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 65205#(<= 1621 (+ (* 101 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 65206#(<= 1721 (+ (* 100 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 65207#(<= 1820 (+ (* 99 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 65208#(<= 1918 (+ (* 98 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 65209#(<= 2015 (+ (* 97 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 65210#(<= 2111 (+ (* 96 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 65211#(<= 2206 (+ (* 95 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 65212#(<= 2300 (+ (* 94 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 65213#(<= 2393 (+ (* 93 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 65214#(<= 2485 (+ (* 92 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 65215#(<= 2576 (+ (* 91 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 65216#(<= 2666 (+ (* 90 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 65217#(<= 2755 (+ (* 89 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 65218#(<= 2843 (+ (* 88 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 65219#(<= 2930 (+ (* 87 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 65220#(<= 3016 (+ (* 86 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 65221#(<= 3101 (+ (* 85 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 65222#(<= 3185 (+ (* 84 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 65223#(<= 3268 (+ (* 83 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 65224#(<= 3350 (+ (* 82 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 65225#(<= 3431 (+ (* 81 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 65226#(<= 3511 (+ (* 80 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 65227#(<= 3590 (+ (* 79 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 65228#(<= 3668 (+ (* 78 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 65229#(<= 3745 (+ (* 77 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 65230#(<= 3821 (+ (* 76 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 65231#(<= 3896 (+ (* 75 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 65232#(<= 3970 (+ (* 74 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 65233#(<= 4043 (+ (* 73 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 65234#(<= 4115 (+ (* 72 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 65235#(<= 4186 (+ (* 71 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 65236#(<= 4256 (+ (* 70 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 65237#(<= 4325 (+ (* 69 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 65238#(<= 4393 (+ (* 68 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 65239#(<= 4460 (+ (* 67 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 65240#(<= 4526 (+ (* 66 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 65241#(<= 4591 (+ (* 65 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 65242#(<= 4655 (+ (* 64 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 65243#(<= 4718 (+ (* 63 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 65244#(<= 4780 (+ (* 62 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 65245#(<= 4841 (+ (* 61 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 65246#(<= 4901 (+ (* 60 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 65247#(<= 4960 (+ (* 59 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 65248#(<= 5018 (+ (* 58 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 65249#(<= 5075 (+ (* 57 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 65250#(<= 5131 (+ (* 56 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 65251#(<= 5186 (+ (* 55 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 65252#(<= 5240 (+ (* 54 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 65253#(<= 5293 (+ (* 53 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 65254#(<= 5345 (+ (* 52 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 65255#(<= 5396 (+ (* 51 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 65256#(<= 5446 (+ (* 50 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 65257#(<= 5495 (+ (* 49 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 65258#(<= 5543 (+ (* 48 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 65259#(<= 5590 (+ (* 47 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 65260#(<= 5636 (+ (* 46 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 65261#(<= 5681 (+ (* 45 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 65262#(<= 5725 (+ (* 44 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 65263#(<= 5768 (+ (* 43 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 65264#(<= 5810 (+ (* 42 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 65265#(<= 5851 (+ (* 41 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 65266#(<= 5891 (+ (* 40 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 65267#(<= 5930 (+ (* 39 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 65268#(<= 5968 (+ (* 38 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 65269#(<= 6005 (+ (* 37 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 65270#(<= 6041 (+ (* 36 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 65271#(<= 6076 (+ (* 35 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 65272#(<= 6110 (+ (* 34 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 65273#(<= 6143 (+ (* 33 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 65274#(<= 6175 (+ (* 32 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 65275#(<= 6206 (+ (* 31 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 65276#(<= 6236 (+ (* 30 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 65277#(<= 6265 (+ (* 29 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 65278#(<= 6293 (+ (* 28 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 65279#(<= 6320 (+ (* 27 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5))] [2018-07-23 13:44:40,548 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 13:44:40,549 INFO L450 AbstractCegarLoop]: Interpolant automaton has 120 states [2018-07-23 13:44:40,549 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 120 interpolants. [2018-07-23 13:44:40,549 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=237, Invalid=14043, Unknown=0, NotChecked=0, Total=14280 [2018-07-23 13:44:40,550 INFO L87 Difference]: Start difference. First operand 239 states and 239 transitions. Second operand 120 states. [2018-07-23 13:44:42,796 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-07-23 13:44:42,797 INFO L93 Difference]: Finished difference Result 243 states and 243 transitions. [2018-07-23 13:44:42,797 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 120 states. [2018-07-23 13:44:42,797 INFO L78 Accepts]: Start accepts. Automaton has 120 states. Word has length 238 [2018-07-23 13:44:42,797 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-07-23 13:44:42,798 INFO L225 Difference]: With dead ends: 243 [2018-07-23 13:44:42,798 INFO L226 Difference]: Without dead ends: 241 [2018-07-23 13:44:42,798 INFO L575 BasicCegarLoop]: 0 DeclaredPredicates, 119 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 118 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.8s TimeCoverageRelationStatistics Valid=237, Invalid=14043, Unknown=0, NotChecked=0, Total=14280 [2018-07-23 13:44:42,798 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 241 states. [2018-07-23 13:44:42,886 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 241 to 241. [2018-07-23 13:44:42,886 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 241 states. [2018-07-23 13:44:42,886 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 241 states to 241 states and 241 transitions. [2018-07-23 13:44:42,886 INFO L78 Accepts]: Start accepts. Automaton has 241 states and 241 transitions. Word has length 238 [2018-07-23 13:44:42,886 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-07-23 13:44:42,886 INFO L471 AbstractCegarLoop]: Abstraction has 241 states and 241 transitions. [2018-07-23 13:44:42,887 INFO L472 AbstractCegarLoop]: Interpolant automaton has 120 states. [2018-07-23 13:44:42,887 INFO L276 IsEmpty]: Start isEmpty. Operand 241 states and 241 transitions. [2018-07-23 13:44:42,887 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 241 [2018-07-23 13:44:42,888 INFO L349 BasicCegarLoop]: Found error trace [2018-07-23 13:44:42,888 INFO L357 BasicCegarLoop]: trace histogram [119, 118, 1, 1, 1] [2018-07-23 13:44:42,888 INFO L414 AbstractCegarLoop]: === Iteration 119 === [ULTIMATE.startErr0AssertViolationASSERT]=== [2018-07-23 13:44:42,888 INFO L82 PathProgramCache]: Analyzing trace with hash -1190534355, now seen corresponding path program 118 times [2018-07-23 13:44:42,888 INFO L69 tionRefinementEngine]: Using refinement strategy FixedRefinementStrategy [2018-07-23 13:44:43,196 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-07-23 13:44:44,475 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 13:44:44,476 INFO L309 seRefinementStrategy]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2018-07-23 13:44:44,476 INFO L324 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [120] total 120 [2018-07-23 13:44:44,476 INFO L142 lantAutomatonBuilder]: Constructing canonical interpolant automaton, with selfloop in false state [2018-07-23 13:44:44,476 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-07-23 13:44:44,477 INFO L185 omatonBuilderFactory]: Interpolants [66305#(<= 2782 (+ (* 90 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 66304#(<= 2692 (+ (* 91 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 66307#(<= 2959 (+ (* 88 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 66306#(<= 2871 (+ (* 89 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 66309#(<= 3132 (+ (* 86 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 66308#(<= 3046 (+ (* 87 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 66311#(<= 3301 (+ (* 84 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 66310#(<= 3217 (+ (* 85 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 66313#(<= 3466 (+ (* 82 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 66312#(<= 3384 (+ (* 83 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 66315#(<= 3627 (+ (* 80 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 66314#(<= 3547 (+ (* 81 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 66317#(<= 3784 (+ (* 78 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 66316#(<= 3706 (+ (* 79 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 66319#(<= 3937 (+ (* 76 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 66318#(<= 3861 (+ (* 77 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 66321#(<= 4086 (+ (* 74 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 66320#(<= 4012 (+ (* 75 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 66323#(<= 4231 (+ (* 72 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 66322#(<= 4159 (+ (* 73 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 66325#(<= 4372 (+ (* 70 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 66324#(<= 4302 (+ (* 71 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 66327#(<= 4509 (+ (* 68 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 66326#(<= 4441 (+ (* 69 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 66329#(<= 4642 (+ (* 66 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 66328#(<= 4576 (+ (* 67 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 66331#(<= 4771 (+ (* 64 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 66330#(<= 4707 (+ (* 65 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 66333#(<= 4896 (+ (* 62 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 66332#(<= 4834 (+ (* 63 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 66335#(<= 5017 (+ (* 60 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 66334#(<= 4957 (+ (* 61 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 66337#(<= 5134 (+ (* 58 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 66336#(<= 5076 (+ (* 59 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 66339#(<= 5247 (+ (* 56 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 66338#(<= 5191 (+ (* 57 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 66341#(<= 5356 (+ (* 54 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 66340#(<= 5302 (+ (* 55 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 66343#(<= 5461 (+ (* 52 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 66342#(<= 5409 (+ (* 53 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 66345#(<= 5562 (+ (* 50 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 66344#(<= 5512 (+ (* 51 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 66347#(<= 5659 (+ (* 48 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 66346#(<= 5611 (+ (* 49 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 66349#(<= 5752 (+ (* 46 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 66348#(<= 5706 (+ (* 47 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 66351#(<= 5841 (+ (* 44 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 66350#(<= 5797 (+ (* 45 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 66353#(<= 5926 (+ (* 42 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 66352#(<= 5884 (+ (* 43 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 66355#(<= 6007 (+ (* 40 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 66354#(<= 5967 (+ (* 41 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 66357#(<= 6084 (+ (* 38 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 66356#(<= 6046 (+ (* 39 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 66359#(<= 6157 (+ (* 36 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 66358#(<= 6121 (+ (* 37 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 66361#(<= 6226 (+ (* 34 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 66360#(<= 6192 (+ (* 35 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 66363#(<= 6291 (+ (* 32 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 66362#(<= 6259 (+ (* 33 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 66365#(<= 6352 (+ (* 30 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 66364#(<= 6322 (+ (* 31 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 66367#(<= 6409 (+ (* 28 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 66366#(<= 6381 (+ (* 29 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 66369#(<= 6462 (+ (* 26 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 66368#(<= 6436 (+ (* 27 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 66371#(<= 6511 (+ (* 24 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 66370#(<= 6487 (+ (* 25 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 66373#(<= 6556 (+ (* 22 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 66372#(<= 6534 (+ (* 23 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 66375#(<= 6597 (+ (* 20 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 66374#(<= 6577 (+ (* 21 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 66377#(<= 6634 (+ (* 18 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 66376#(<= 6616 (+ (* 19 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 66379#(<= 6667 (+ (* 16 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 66378#(<= 6651 (+ (* 17 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 66381#(<= 6696 (+ (* 14 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 66380#(<= 6682 (+ (* 15 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 66383#(<= 6721 (+ (* 12 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 66382#(<= 6709 (+ (* 13 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 66385#(<= 6742 (+ (* 10 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 66384#(<= 6732 (+ (* 11 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 66387#(<= 6759 (+ (* 8 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 66386#(<= 6751 (+ (* 9 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 66389#(<= 6772 (+ (* 6 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 66388#(<= 6766 (+ (* 7 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 66391#(<= 6781 (+ (* 4 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 66390#(<= 6777 (+ (* 5 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 66393#(<= 6786 (+ (* 2 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 66392#(<= 6784 (+ (* 3 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 66395#(<= 6787 ULTIMATE.start_main_~x~5), 66394#(<= 6787 (+ ULTIMATE.start_main_~y~5 ULTIMATE.start_main_~x~5)), 66396#(<= (+ ULTIMATE.start_main_~y~5 6786) ULTIMATE.start_main_~x~5), 66277#false, 66276#true, 66279#(<= 117 (+ (* 116 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 66278#(<= 1 (+ (* 117 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 66281#(<= 346 (+ (* 114 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 66280#(<= 232 (+ (* 115 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 66283#(<= 571 (+ (* 112 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 66282#(<= 459 (+ (* 113 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 66285#(<= 792 (+ (* 110 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 66284#(<= 682 (+ (* 111 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 66287#(<= 1009 (+ (* 108 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 66286#(<= 901 (+ (* 109 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 66289#(<= 1222 (+ (* 106 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 66288#(<= 1116 (+ (* 107 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 66291#(<= 1431 (+ (* 104 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 66290#(<= 1327 (+ (* 105 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 66293#(<= 1636 (+ (* 102 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 66292#(<= 1534 (+ (* 103 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 66295#(<= 1837 (+ (* 100 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 66294#(<= 1737 (+ (* 101 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 66297#(<= 2034 (+ (* 98 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 66296#(<= 1936 (+ (* 99 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 66299#(<= 2227 (+ (* 96 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 66298#(<= 2131 (+ (* 97 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 66301#(<= 2416 (+ (* 94 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 66300#(<= 2322 (+ (* 95 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 66303#(<= 2601 (+ (* 92 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 66302#(<= 2509 (+ (* 93 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5))] [2018-07-23 13:44:44,477 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 13:44:44,478 INFO L450 AbstractCegarLoop]: Interpolant automaton has 121 states [2018-07-23 13:44:44,478 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 121 interpolants. [2018-07-23 13:44:44,478 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=239, Invalid=14281, Unknown=0, NotChecked=0, Total=14520 [2018-07-23 13:44:44,478 INFO L87 Difference]: Start difference. First operand 241 states and 241 transitions. Second operand 121 states. [2018-07-23 13:44:46,772 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-07-23 13:44:46,772 INFO L93 Difference]: Finished difference Result 245 states and 245 transitions. [2018-07-23 13:44:46,772 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 121 states. [2018-07-23 13:44:46,772 INFO L78 Accepts]: Start accepts. Automaton has 121 states. Word has length 240 [2018-07-23 13:44:46,773 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-07-23 13:44:46,773 INFO L225 Difference]: With dead ends: 245 [2018-07-23 13:44:46,773 INFO L226 Difference]: Without dead ends: 243 [2018-07-23 13:44:46,774 INFO L575 BasicCegarLoop]: 0 DeclaredPredicates, 120 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 119 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.8s TimeCoverageRelationStatistics Valid=239, Invalid=14281, Unknown=0, NotChecked=0, Total=14520 [2018-07-23 13:44:46,774 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 243 states. [2018-07-23 13:44:46,868 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 243 to 243. [2018-07-23 13:44:46,868 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 243 states. [2018-07-23 13:44:46,868 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 243 states to 243 states and 243 transitions. [2018-07-23 13:44:46,868 INFO L78 Accepts]: Start accepts. Automaton has 243 states and 243 transitions. Word has length 240 [2018-07-23 13:44:46,868 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-07-23 13:44:46,869 INFO L471 AbstractCegarLoop]: Abstraction has 243 states and 243 transitions. [2018-07-23 13:44:46,869 INFO L472 AbstractCegarLoop]: Interpolant automaton has 121 states. [2018-07-23 13:44:46,869 INFO L276 IsEmpty]: Start isEmpty. Operand 243 states and 243 transitions. [2018-07-23 13:44:46,869 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 243 [2018-07-23 13:44:46,869 INFO L349 BasicCegarLoop]: Found error trace [2018-07-23 13:44:46,869 INFO L357 BasicCegarLoop]: trace histogram [120, 119, 1, 1, 1] [2018-07-23 13:44:46,870 INFO L414 AbstractCegarLoop]: === Iteration 120 === [ULTIMATE.startErr0AssertViolationASSERT]=== [2018-07-23 13:44:46,870 INFO L82 PathProgramCache]: Analyzing trace with hash -1642281431, now seen corresponding path program 119 times [2018-07-23 13:44:46,870 INFO L69 tionRefinementEngine]: Using refinement strategy FixedRefinementStrategy [2018-07-23 13:44:47,179 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-07-23 13:44:48,494 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 13:44:48,495 INFO L309 seRefinementStrategy]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2018-07-23 13:44:48,495 INFO L324 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [121] total 121 [2018-07-23 13:44:48,495 INFO L142 lantAutomatonBuilder]: Constructing canonical interpolant automaton, with selfloop in false state [2018-07-23 13:44:48,495 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-07-23 13:44:48,495 INFO L185 omatonBuilderFactory]: Interpolants [67373#true, 67375#(<= 1 (+ (* 118 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 67374#false, 67377#(<= 234 (+ (* 116 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 67376#(<= 118 (+ (* 117 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 67379#(<= 463 (+ (* 114 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 67378#(<= 349 (+ (* 115 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 67381#(<= 688 (+ (* 112 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 67380#(<= 576 (+ (* 113 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 67383#(<= 909 (+ (* 110 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 67382#(<= 799 (+ (* 111 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 67385#(<= 1126 (+ (* 108 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 67384#(<= 1018 (+ (* 109 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 67387#(<= 1339 (+ (* 106 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 67386#(<= 1233 (+ (* 107 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 67389#(<= 1548 (+ (* 104 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 67388#(<= 1444 (+ (* 105 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 67391#(<= 1753 (+ (* 102 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 67390#(<= 1651 (+ (* 103 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 67393#(<= 1954 (+ (* 100 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 67392#(<= 1854 (+ (* 101 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 67395#(<= 2151 (+ (* 98 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 67394#(<= 2053 (+ (* 99 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 67397#(<= 2344 (+ (* 96 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 67396#(<= 2248 (+ (* 97 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 67399#(<= 2533 (+ (* 94 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 67398#(<= 2439 (+ (* 95 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 67401#(<= 2718 (+ (* 92 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 67400#(<= 2626 (+ (* 93 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 67403#(<= 2899 (+ (* 90 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 67402#(<= 2809 (+ (* 91 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 67405#(<= 3076 (+ (* 88 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 67404#(<= 2988 (+ (* 89 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 67407#(<= 3249 (+ (* 86 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 67406#(<= 3163 (+ (* 87 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 67409#(<= 3418 (+ (* 84 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 67408#(<= 3334 (+ (* 85 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 67411#(<= 3583 (+ (* 82 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 67410#(<= 3501 (+ (* 83 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 67413#(<= 3744 (+ (* 80 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 67412#(<= 3664 (+ (* 81 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 67415#(<= 3901 (+ (* 78 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 67414#(<= 3823 (+ (* 79 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 67417#(<= 4054 (+ (* 76 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 67416#(<= 3978 (+ (* 77 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 67419#(<= 4203 (+ (* 74 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 67418#(<= 4129 (+ (* 75 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 67421#(<= 4348 (+ (* 72 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 67420#(<= 4276 (+ (* 73 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 67423#(<= 4489 (+ (* 70 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 67422#(<= 4419 (+ (* 71 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 67425#(<= 4626 (+ (* 68 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 67424#(<= 4558 (+ (* 69 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 67427#(<= 4759 (+ (* 66 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 67426#(<= 4693 (+ (* 67 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 67429#(<= 4888 (+ (* 64 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 67428#(<= 4824 (+ (* 65 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 67431#(<= 5013 (+ (* 62 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 67430#(<= 4951 (+ (* 63 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 67433#(<= 5134 (+ (* 60 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 67432#(<= 5074 (+ (* 61 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 67435#(<= 5251 (+ (* 58 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 67434#(<= 5193 (+ (* 59 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 67437#(<= 5364 (+ (* 56 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 67436#(<= 5308 (+ (* 57 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 67439#(<= 5473 (+ (* 54 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 67438#(<= 5419 (+ (* 55 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 67441#(<= 5578 (+ (* 52 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 67440#(<= 5526 (+ (* 53 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 67443#(<= 5679 (+ (* 50 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 67442#(<= 5629 (+ (* 51 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 67445#(<= 5776 (+ (* 48 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 67444#(<= 5728 (+ (* 49 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 67447#(<= 5869 (+ (* 46 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 67446#(<= 5823 (+ (* 47 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 67449#(<= 5958 (+ (* 44 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 67448#(<= 5914 (+ (* 45 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 67451#(<= 6043 (+ (* 42 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 67450#(<= 6001 (+ (* 43 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 67453#(<= 6124 (+ (* 40 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 67452#(<= 6084 (+ (* 41 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 67455#(<= 6201 (+ (* 38 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 67454#(<= 6163 (+ (* 39 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 67457#(<= 6274 (+ (* 36 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 67456#(<= 6238 (+ (* 37 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 67459#(<= 6343 (+ (* 34 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 67458#(<= 6309 (+ (* 35 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 67461#(<= 6408 (+ (* 32 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 67460#(<= 6376 (+ (* 33 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 67463#(<= 6469 (+ (* 30 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 67462#(<= 6439 (+ (* 31 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 67465#(<= 6526 (+ (* 28 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 67464#(<= 6498 (+ (* 29 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 67467#(<= 6579 (+ (* 26 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 67466#(<= 6553 (+ (* 27 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 67469#(<= 6628 (+ (* 24 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 67468#(<= 6604 (+ (* 25 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 67471#(<= 6673 (+ (* 22 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 67470#(<= 6651 (+ (* 23 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 67473#(<= 6714 (+ (* 20 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 67472#(<= 6694 (+ (* 21 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 67475#(<= 6751 (+ (* 18 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 67474#(<= 6733 (+ (* 19 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 67477#(<= 6784 (+ (* 16 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 67476#(<= 6768 (+ (* 17 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 67479#(<= 6813 (+ (* 14 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 67478#(<= 6799 (+ (* 15 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 67481#(<= 6838 (+ (* 12 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 67480#(<= 6826 (+ (* 13 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 67483#(<= 6859 (+ (* 10 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 67482#(<= 6849 (+ (* 11 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 67485#(<= 6876 (+ (* 8 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 67484#(<= 6868 (+ (* 9 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 67487#(<= 6889 (+ (* 6 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 67486#(<= 6883 (+ (* 7 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 67489#(<= 6898 (+ (* 4 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 67488#(<= 6894 (+ (* 5 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 67491#(<= 6903 (+ (* 2 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 67490#(<= 6901 (+ (* 3 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 67493#(<= 6904 ULTIMATE.start_main_~x~5), 67492#(<= 6904 (+ ULTIMATE.start_main_~y~5 ULTIMATE.start_main_~x~5)), 67494#(<= (+ ULTIMATE.start_main_~y~5 6903) ULTIMATE.start_main_~x~5)] [2018-07-23 13:44:48,496 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 13:44:48,496 INFO L450 AbstractCegarLoop]: Interpolant automaton has 122 states [2018-07-23 13:44:48,496 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 122 interpolants. [2018-07-23 13:44:48,497 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=241, Invalid=14521, Unknown=0, NotChecked=0, Total=14762 [2018-07-23 13:44:48,497 INFO L87 Difference]: Start difference. First operand 243 states and 243 transitions. Second operand 122 states. [2018-07-23 13:44:50,899 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-07-23 13:44:50,900 INFO L93 Difference]: Finished difference Result 247 states and 247 transitions. [2018-07-23 13:44:50,900 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 122 states. [2018-07-23 13:44:50,900 INFO L78 Accepts]: Start accepts. Automaton has 122 states. Word has length 242 [2018-07-23 13:44:50,900 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-07-23 13:44:50,901 INFO L225 Difference]: With dead ends: 247 [2018-07-23 13:44:50,901 INFO L226 Difference]: Without dead ends: 245 [2018-07-23 13:44:50,901 INFO L575 BasicCegarLoop]: 0 DeclaredPredicates, 121 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 120 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.9s TimeCoverageRelationStatistics Valid=241, Invalid=14521, Unknown=0, NotChecked=0, Total=14762 [2018-07-23 13:44:50,902 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 245 states. [2018-07-23 13:44:50,996 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 245 to 245. [2018-07-23 13:44:50,996 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 245 states. [2018-07-23 13:44:50,996 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 245 states to 245 states and 245 transitions. [2018-07-23 13:44:50,996 INFO L78 Accepts]: Start accepts. Automaton has 245 states and 245 transitions. Word has length 242 [2018-07-23 13:44:50,997 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-07-23 13:44:50,997 INFO L471 AbstractCegarLoop]: Abstraction has 245 states and 245 transitions. [2018-07-23 13:44:50,997 INFO L472 AbstractCegarLoop]: Interpolant automaton has 122 states. [2018-07-23 13:44:50,997 INFO L276 IsEmpty]: Start isEmpty. Operand 245 states and 245 transitions. [2018-07-23 13:44:50,998 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 245 [2018-07-23 13:44:50,998 INFO L349 BasicCegarLoop]: Found error trace [2018-07-23 13:44:50,998 INFO L357 BasicCegarLoop]: trace histogram [121, 120, 1, 1, 1] [2018-07-23 13:44:50,998 INFO L414 AbstractCegarLoop]: === Iteration 121 === [ULTIMATE.startErr0AssertViolationASSERT]=== [2018-07-23 13:44:50,998 INFO L82 PathProgramCache]: Analyzing trace with hash -1979524571, now seen corresponding path program 120 times [2018-07-23 13:44:50,998 INFO L69 tionRefinementEngine]: Using refinement strategy FixedRefinementStrategy [2018-07-23 13:44:51,360 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-07-23 13:44:52,666 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 13:44:52,667 INFO L309 seRefinementStrategy]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2018-07-23 13:44:52,667 INFO L324 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [122] total 122 [2018-07-23 13:44:52,667 INFO L142 lantAutomatonBuilder]: Constructing canonical interpolant automaton, with selfloop in false state [2018-07-23 13:44:52,667 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-07-23 13:44:52,668 INFO L185 omatonBuilderFactory]: Interpolants [68479#true, 68481#(<= 1 (+ (* 119 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 68480#false, 68483#(<= 236 (+ (* 117 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 68482#(<= 119 (+ (* 118 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 68485#(<= 467 (+ (* 115 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 68484#(<= 352 (+ (* 116 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 68487#(<= 694 (+ (* 113 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 68486#(<= 581 (+ (* 114 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 68489#(<= 917 (+ (* 111 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 68488#(<= 806 (+ (* 112 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 68491#(<= 1136 (+ (* 109 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 68490#(<= 1027 (+ (* 110 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 68493#(<= 1351 (+ (* 107 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 68492#(<= 1244 (+ (* 108 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 68495#(<= 1562 (+ (* 105 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 68494#(<= 1457 (+ (* 106 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 68497#(<= 1769 (+ (* 103 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 68496#(<= 1666 (+ (* 104 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 68499#(<= 1972 (+ (* 101 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 68498#(<= 1871 (+ (* 102 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 68501#(<= 2171 (+ (* 99 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 68500#(<= 2072 (+ (* 100 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 68503#(<= 2366 (+ (* 97 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 68502#(<= 2269 (+ (* 98 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 68505#(<= 2557 (+ (* 95 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 68504#(<= 2462 (+ (* 96 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 68507#(<= 2744 (+ (* 93 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 68506#(<= 2651 (+ (* 94 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 68509#(<= 2927 (+ (* 91 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 68508#(<= 2836 (+ (* 92 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 68511#(<= 3106 (+ (* 89 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 68510#(<= 3017 (+ (* 90 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 68513#(<= 3281 (+ (* 87 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 68512#(<= 3194 (+ (* 88 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 68515#(<= 3452 (+ (* 85 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 68514#(<= 3367 (+ (* 86 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 68517#(<= 3619 (+ (* 83 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 68516#(<= 3536 (+ (* 84 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 68519#(<= 3782 (+ (* 81 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 68518#(<= 3701 (+ (* 82 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 68521#(<= 3941 (+ (* 79 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 68520#(<= 3862 (+ (* 80 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 68523#(<= 4096 (+ (* 77 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 68522#(<= 4019 (+ (* 78 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 68525#(<= 4247 (+ (* 75 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 68524#(<= 4172 (+ (* 76 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 68527#(<= 4394 (+ (* 73 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 68526#(<= 4321 (+ (* 74 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 68529#(<= 4537 (+ (* 71 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 68528#(<= 4466 (+ (* 72 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 68531#(<= 4676 (+ (* 69 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 68530#(<= 4607 (+ (* 70 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 68533#(<= 4811 (+ (* 67 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 68532#(<= 4744 (+ (* 68 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 68535#(<= 4942 (+ (* 65 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 68534#(<= 4877 (+ (* 66 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 68537#(<= 5069 (+ (* 63 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 68536#(<= 5006 (+ (* 64 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 68539#(<= 5192 (+ (* 61 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 68538#(<= 5131 (+ (* 62 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 68541#(<= 5311 (+ (* 59 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 68540#(<= 5252 (+ (* 60 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 68543#(<= 5426 (+ (* 57 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 68542#(<= 5369 (+ (* 58 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 68545#(<= 5537 (+ (* 55 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 68544#(<= 5482 (+ (* 56 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 68547#(<= 5644 (+ (* 53 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 68546#(<= 5591 (+ (* 54 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 68549#(<= 5747 (+ (* 51 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 68548#(<= 5696 (+ (* 52 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 68551#(<= 5846 (+ (* 49 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 68550#(<= 5797 (+ (* 50 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 68553#(<= 5941 (+ (* 47 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 68552#(<= 5894 (+ (* 48 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 68555#(<= 6032 (+ (* 45 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 68554#(<= 5987 (+ (* 46 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 68557#(<= 6119 (+ (* 43 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 68556#(<= 6076 (+ (* 44 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 68559#(<= 6202 (+ (* 41 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 68558#(<= 6161 (+ (* 42 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 68561#(<= 6281 (+ (* 39 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 68560#(<= 6242 (+ (* 40 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 68563#(<= 6356 (+ (* 37 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 68562#(<= 6319 (+ (* 38 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 68565#(<= 6427 (+ (* 35 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 68564#(<= 6392 (+ (* 36 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 68567#(<= 6494 (+ (* 33 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 68566#(<= 6461 (+ (* 34 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 68569#(<= 6557 (+ (* 31 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 68568#(<= 6526 (+ (* 32 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 68571#(<= 6616 (+ (* 29 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 68570#(<= 6587 (+ (* 30 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 68573#(<= 6671 (+ (* 27 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 68572#(<= 6644 (+ (* 28 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 68575#(<= 6722 (+ (* 25 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 68574#(<= 6697 (+ (* 26 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 68577#(<= 6769 (+ (* 23 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 68576#(<= 6746 (+ (* 24 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 68579#(<= 6812 (+ (* 21 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 68578#(<= 6791 (+ (* 22 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 68581#(<= 6851 (+ (* 19 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 68580#(<= 6832 (+ (* 20 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 68583#(<= 6886 (+ (* 17 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 68582#(<= 6869 (+ (* 18 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 68585#(<= 6917 (+ (* 15 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 68584#(<= 6902 (+ (* 16 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 68587#(<= 6944 (+ (* 13 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 68586#(<= 6931 (+ (* 14 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 68589#(<= 6967 (+ (* 11 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 68588#(<= 6956 (+ (* 12 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 68591#(<= 6986 (+ (* 9 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 68590#(<= 6977 (+ (* 10 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 68593#(<= 7001 (+ (* 7 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 68592#(<= 6994 (+ (* 8 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 68595#(<= 7012 (+ (* 5 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 68594#(<= 7007 (+ (* 6 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 68597#(<= 7019 (+ (* 3 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 68596#(<= 7016 (+ (* 4 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 68599#(<= 7022 (+ ULTIMATE.start_main_~y~5 ULTIMATE.start_main_~x~5)), 68598#(<= 7021 (+ (* 2 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 68601#(<= (+ ULTIMATE.start_main_~y~5 7021) ULTIMATE.start_main_~x~5), 68600#(<= 7022 ULTIMATE.start_main_~x~5)] [2018-07-23 13:44:52,668 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 13:44:52,668 INFO L450 AbstractCegarLoop]: Interpolant automaton has 123 states [2018-07-23 13:44:52,668 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 123 interpolants. [2018-07-23 13:44:52,669 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=243, Invalid=14763, Unknown=0, NotChecked=0, Total=15006 [2018-07-23 13:44:52,669 INFO L87 Difference]: Start difference. First operand 245 states and 245 transitions. Second operand 123 states. [2018-07-23 13:44:55,096 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-07-23 13:44:55,096 INFO L93 Difference]: Finished difference Result 249 states and 249 transitions. [2018-07-23 13:44:55,096 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 123 states. [2018-07-23 13:44:55,096 INFO L78 Accepts]: Start accepts. Automaton has 123 states. Word has length 244 [2018-07-23 13:44:55,097 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-07-23 13:44:55,097 INFO L225 Difference]: With dead ends: 249 [2018-07-23 13:44:55,097 INFO L226 Difference]: Without dead ends: 247 [2018-07-23 13:44:55,098 INFO L575 BasicCegarLoop]: 0 DeclaredPredicates, 122 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 121 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.8s TimeCoverageRelationStatistics Valid=243, Invalid=14763, Unknown=0, NotChecked=0, Total=15006 [2018-07-23 13:44:55,098 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 247 states. [2018-07-23 13:44:55,193 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 247 to 247. [2018-07-23 13:44:55,193 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 247 states. [2018-07-23 13:44:55,193 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 247 states to 247 states and 247 transitions. [2018-07-23 13:44:55,193 INFO L78 Accepts]: Start accepts. Automaton has 247 states and 247 transitions. Word has length 244 [2018-07-23 13:44:55,193 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-07-23 13:44:55,193 INFO L471 AbstractCegarLoop]: Abstraction has 247 states and 247 transitions. [2018-07-23 13:44:55,194 INFO L472 AbstractCegarLoop]: Interpolant automaton has 123 states. [2018-07-23 13:44:55,194 INFO L276 IsEmpty]: Start isEmpty. Operand 247 states and 247 transitions. [2018-07-23 13:44:55,194 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 247 [2018-07-23 13:44:55,194 INFO L349 BasicCegarLoop]: Found error trace [2018-07-23 13:44:55,194 INFO L357 BasicCegarLoop]: trace histogram [122, 121, 1, 1, 1] [2018-07-23 13:44:55,194 INFO L414 AbstractCegarLoop]: === Iteration 122 === [ULTIMATE.startErr0AssertViolationASSERT]=== [2018-07-23 13:44:55,195 INFO L82 PathProgramCache]: Analyzing trace with hash 347332385, now seen corresponding path program 121 times [2018-07-23 13:44:55,195 INFO L69 tionRefinementEngine]: Using refinement strategy FixedRefinementStrategy [2018-07-23 13:44:55,500 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-07-23 13:44:56,851 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 13:44:56,851 INFO L309 seRefinementStrategy]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2018-07-23 13:44:56,851 INFO L324 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [123] total 123 [2018-07-23 13:44:56,852 INFO L142 lantAutomatonBuilder]: Constructing canonical interpolant automaton, with selfloop in false state [2018-07-23 13:44:56,852 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-07-23 13:44:56,852 INFO L185 omatonBuilderFactory]: Interpolants [69633#(<= 3738 (+ (* 83 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 69632#(<= 3655 (+ (* 84 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 69635#(<= 3901 (+ (* 81 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 69634#(<= 3820 (+ (* 82 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 69637#(<= 4060 (+ (* 79 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 69636#(<= 3981 (+ (* 80 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 69639#(<= 4215 (+ (* 77 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 69638#(<= 4138 (+ (* 78 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 69641#(<= 4366 (+ (* 75 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 69640#(<= 4291 (+ (* 76 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 69643#(<= 4513 (+ (* 73 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 69642#(<= 4440 (+ (* 74 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 69645#(<= 4656 (+ (* 71 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 69644#(<= 4585 (+ (* 72 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 69647#(<= 4795 (+ (* 69 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 69646#(<= 4726 (+ (* 70 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 69649#(<= 4930 (+ (* 67 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 69648#(<= 4863 (+ (* 68 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 69651#(<= 5061 (+ (* 65 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 69650#(<= 4996 (+ (* 66 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 69653#(<= 5188 (+ (* 63 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 69652#(<= 5125 (+ (* 64 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 69655#(<= 5311 (+ (* 61 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 69654#(<= 5250 (+ (* 62 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 69657#(<= 5430 (+ (* 59 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 69656#(<= 5371 (+ (* 60 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 69659#(<= 5545 (+ (* 57 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 69658#(<= 5488 (+ (* 58 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 69661#(<= 5656 (+ (* 55 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 69660#(<= 5601 (+ (* 56 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 69663#(<= 5763 (+ (* 53 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 69662#(<= 5710 (+ (* 54 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 69665#(<= 5866 (+ (* 51 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 69664#(<= 5815 (+ (* 52 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 69667#(<= 5965 (+ (* 49 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 69666#(<= 5916 (+ (* 50 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 69669#(<= 6060 (+ (* 47 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 69668#(<= 6013 (+ (* 48 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 69671#(<= 6151 (+ (* 45 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 69670#(<= 6106 (+ (* 46 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 69673#(<= 6238 (+ (* 43 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 69672#(<= 6195 (+ (* 44 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 69675#(<= 6321 (+ (* 41 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 69674#(<= 6280 (+ (* 42 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 69677#(<= 6400 (+ (* 39 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 69676#(<= 6361 (+ (* 40 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 69679#(<= 6475 (+ (* 37 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 69678#(<= 6438 (+ (* 38 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 69681#(<= 6546 (+ (* 35 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 69680#(<= 6511 (+ (* 36 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 69683#(<= 6613 (+ (* 33 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 69682#(<= 6580 (+ (* 34 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 69685#(<= 6676 (+ (* 31 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 69684#(<= 6645 (+ (* 32 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 69687#(<= 6735 (+ (* 29 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 69686#(<= 6706 (+ (* 30 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 69689#(<= 6790 (+ (* 27 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 69688#(<= 6763 (+ (* 28 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 69691#(<= 6841 (+ (* 25 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 69690#(<= 6816 (+ (* 26 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 69693#(<= 6888 (+ (* 23 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 69692#(<= 6865 (+ (* 24 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 69695#(<= 6931 (+ (* 21 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 69694#(<= 6910 (+ (* 22 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 69697#(<= 6970 (+ (* 19 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 69696#(<= 6951 (+ (* 20 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 69699#(<= 7005 (+ (* 17 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 69698#(<= 6988 (+ (* 18 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 69701#(<= 7036 (+ (* 15 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 69700#(<= 7021 (+ (* 16 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 69703#(<= 7063 (+ (* 13 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 69702#(<= 7050 (+ (* 14 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 69705#(<= 7086 (+ (* 11 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 69704#(<= 7075 (+ (* 12 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 69707#(<= 7105 (+ (* 9 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 69706#(<= 7096 (+ (* 10 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 69709#(<= 7120 (+ (* 7 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 69708#(<= 7113 (+ (* 8 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 69711#(<= 7131 (+ (* 5 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 69710#(<= 7126 (+ (* 6 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 69713#(<= 7138 (+ (* 3 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 69712#(<= 7135 (+ (* 4 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 69715#(<= 7141 (+ ULTIMATE.start_main_~y~5 ULTIMATE.start_main_~x~5)), 69714#(<= 7140 (+ (* 2 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 69717#(<= (+ ULTIMATE.start_main_~y~5 7140) ULTIMATE.start_main_~x~5), 69716#(<= 7141 ULTIMATE.start_main_~x~5), 69595#false, 69594#true, 69597#(<= 120 (+ (* 119 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 69596#(<= 1 (+ (* 120 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 69599#(<= 355 (+ (* 117 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 69598#(<= 238 (+ (* 118 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 69601#(<= 586 (+ (* 115 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 69600#(<= 471 (+ (* 116 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 69603#(<= 813 (+ (* 113 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 69602#(<= 700 (+ (* 114 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 69605#(<= 1036 (+ (* 111 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 69604#(<= 925 (+ (* 112 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 69607#(<= 1255 (+ (* 109 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 69606#(<= 1146 (+ (* 110 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 69609#(<= 1470 (+ (* 107 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 69608#(<= 1363 (+ (* 108 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 69611#(<= 1681 (+ (* 105 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 69610#(<= 1576 (+ (* 106 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 69613#(<= 1888 (+ (* 103 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 69612#(<= 1785 (+ (* 104 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 69615#(<= 2091 (+ (* 101 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 69614#(<= 1990 (+ (* 102 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 69617#(<= 2290 (+ (* 99 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 69616#(<= 2191 (+ (* 100 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 69619#(<= 2485 (+ (* 97 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 69618#(<= 2388 (+ (* 98 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 69621#(<= 2676 (+ (* 95 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 69620#(<= 2581 (+ (* 96 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 69623#(<= 2863 (+ (* 93 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 69622#(<= 2770 (+ (* 94 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 69625#(<= 3046 (+ (* 91 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 69624#(<= 2955 (+ (* 92 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 69627#(<= 3225 (+ (* 89 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 69626#(<= 3136 (+ (* 90 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 69629#(<= 3400 (+ (* 87 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 69628#(<= 3313 (+ (* 88 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 69631#(<= 3571 (+ (* 85 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 69630#(<= 3486 (+ (* 86 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5))] [2018-07-23 13:44:56,853 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 13:44:56,853 INFO L450 AbstractCegarLoop]: Interpolant automaton has 124 states [2018-07-23 13:44:56,853 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 124 interpolants. [2018-07-23 13:44:56,854 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=245, Invalid=15007, Unknown=0, NotChecked=0, Total=15252 [2018-07-23 13:44:56,854 INFO L87 Difference]: Start difference. First operand 247 states and 247 transitions. Second operand 124 states. [2018-07-23 13:44:59,202 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-07-23 13:44:59,202 INFO L93 Difference]: Finished difference Result 251 states and 251 transitions. [2018-07-23 13:44:59,202 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 124 states. [2018-07-23 13:44:59,202 INFO L78 Accepts]: Start accepts. Automaton has 124 states. Word has length 246 [2018-07-23 13:44:59,203 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-07-23 13:44:59,203 INFO L225 Difference]: With dead ends: 251 [2018-07-23 13:44:59,203 INFO L226 Difference]: Without dead ends: 249 [2018-07-23 13:44:59,204 INFO L575 BasicCegarLoop]: 0 DeclaredPredicates, 123 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 122 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.9s TimeCoverageRelationStatistics Valid=245, Invalid=15007, Unknown=0, NotChecked=0, Total=15252 [2018-07-23 13:44:59,204 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 249 states. [2018-07-23 13:44:59,304 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 249 to 249. [2018-07-23 13:44:59,304 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 249 states. [2018-07-23 13:44:59,305 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 249 states to 249 states and 249 transitions. [2018-07-23 13:44:59,305 INFO L78 Accepts]: Start accepts. Automaton has 249 states and 249 transitions. Word has length 246 [2018-07-23 13:44:59,305 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-07-23 13:44:59,305 INFO L471 AbstractCegarLoop]: Abstraction has 249 states and 249 transitions. [2018-07-23 13:44:59,305 INFO L472 AbstractCegarLoop]: Interpolant automaton has 124 states. [2018-07-23 13:44:59,305 INFO L276 IsEmpty]: Start isEmpty. Operand 249 states and 249 transitions. [2018-07-23 13:44:59,306 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 249 [2018-07-23 13:44:59,306 INFO L349 BasicCegarLoop]: Found error trace [2018-07-23 13:44:59,306 INFO L357 BasicCegarLoop]: trace histogram [123, 122, 1, 1, 1] [2018-07-23 13:44:59,306 INFO L414 AbstractCegarLoop]: === Iteration 123 === [ULTIMATE.startErr0AssertViolationASSERT]=== [2018-07-23 13:44:59,306 INFO L82 PathProgramCache]: Analyzing trace with hash -1221094115, now seen corresponding path program 122 times [2018-07-23 13:44:59,306 INFO L69 tionRefinementEngine]: Using refinement strategy FixedRefinementStrategy [2018-07-23 13:44:59,663 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-07-23 13:45:01,033 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 13:45:01,034 INFO L309 seRefinementStrategy]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2018-07-23 13:45:01,034 INFO L324 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [124] total 124 [2018-07-23 13:45:01,034 INFO L142 lantAutomatonBuilder]: Constructing canonical interpolant automaton, with selfloop in false state [2018-07-23 13:45:01,034 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-07-23 13:45:01,035 INFO L185 omatonBuilderFactory]: Interpolants [70719#false, 70718#true, 70721#(<= 121 (+ (* 120 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 70720#(<= 1 (+ (* 121 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 70723#(<= 358 (+ (* 118 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 70722#(<= 240 (+ (* 119 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 70725#(<= 591 (+ (* 116 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 70724#(<= 475 (+ (* 117 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 70727#(<= 820 (+ (* 114 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 70726#(<= 706 (+ (* 115 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 70729#(<= 1045 (+ (* 112 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 70728#(<= 933 (+ (* 113 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 70731#(<= 1266 (+ (* 110 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 70730#(<= 1156 (+ (* 111 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 70733#(<= 1483 (+ (* 108 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 70732#(<= 1375 (+ (* 109 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 70735#(<= 1696 (+ (* 106 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 70734#(<= 1590 (+ (* 107 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 70737#(<= 1905 (+ (* 104 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 70736#(<= 1801 (+ (* 105 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 70739#(<= 2110 (+ (* 102 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 70738#(<= 2008 (+ (* 103 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 70741#(<= 2311 (+ (* 100 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 70740#(<= 2211 (+ (* 101 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 70743#(<= 2508 (+ (* 98 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 70742#(<= 2410 (+ (* 99 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 70745#(<= 2701 (+ (* 96 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 70744#(<= 2605 (+ (* 97 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 70747#(<= 2890 (+ (* 94 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 70746#(<= 2796 (+ (* 95 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 70749#(<= 3075 (+ (* 92 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 70748#(<= 2983 (+ (* 93 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 70751#(<= 3256 (+ (* 90 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 70750#(<= 3166 (+ (* 91 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 70753#(<= 3433 (+ (* 88 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 70752#(<= 3345 (+ (* 89 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 70755#(<= 3606 (+ (* 86 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 70754#(<= 3520 (+ (* 87 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 70757#(<= 3775 (+ (* 84 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 70756#(<= 3691 (+ (* 85 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 70759#(<= 3940 (+ (* 82 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 70758#(<= 3858 (+ (* 83 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 70761#(<= 4101 (+ (* 80 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 70760#(<= 4021 (+ (* 81 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 70763#(<= 4258 (+ (* 78 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 70762#(<= 4180 (+ (* 79 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 70765#(<= 4411 (+ (* 76 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 70764#(<= 4335 (+ (* 77 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 70767#(<= 4560 (+ (* 74 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 70766#(<= 4486 (+ (* 75 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 70769#(<= 4705 (+ (* 72 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 70768#(<= 4633 (+ (* 73 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 70771#(<= 4846 (+ (* 70 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 70770#(<= 4776 (+ (* 71 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 70773#(<= 4983 (+ (* 68 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 70772#(<= 4915 (+ (* 69 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 70775#(<= 5116 (+ (* 66 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 70774#(<= 5050 (+ (* 67 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 70777#(<= 5245 (+ (* 64 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 70776#(<= 5181 (+ (* 65 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 70779#(<= 5370 (+ (* 62 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 70778#(<= 5308 (+ (* 63 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 70781#(<= 5491 (+ (* 60 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 70780#(<= 5431 (+ (* 61 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 70783#(<= 5608 (+ (* 58 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 70782#(<= 5550 (+ (* 59 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 70785#(<= 5721 (+ (* 56 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 70784#(<= 5665 (+ (* 57 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 70787#(<= 5830 (+ (* 54 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 70786#(<= 5776 (+ (* 55 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 70789#(<= 5935 (+ (* 52 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 70788#(<= 5883 (+ (* 53 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 70791#(<= 6036 (+ (* 50 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 70790#(<= 5986 (+ (* 51 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 70793#(<= 6133 (+ (* 48 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 70792#(<= 6085 (+ (* 49 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 70795#(<= 6226 (+ (* 46 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 70794#(<= 6180 (+ (* 47 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 70797#(<= 6315 (+ (* 44 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 70796#(<= 6271 (+ (* 45 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 70799#(<= 6400 (+ (* 42 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 70798#(<= 6358 (+ (* 43 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 70801#(<= 6481 (+ (* 40 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 70800#(<= 6441 (+ (* 41 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 70803#(<= 6558 (+ (* 38 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 70802#(<= 6520 (+ (* 39 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 70805#(<= 6631 (+ (* 36 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 70804#(<= 6595 (+ (* 37 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 70807#(<= 6700 (+ (* 34 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 70806#(<= 6666 (+ (* 35 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 70809#(<= 6765 (+ (* 32 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 70808#(<= 6733 (+ (* 33 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 70811#(<= 6826 (+ (* 30 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 70810#(<= 6796 (+ (* 31 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 70813#(<= 6883 (+ (* 28 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 70812#(<= 6855 (+ (* 29 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 70815#(<= 6936 (+ (* 26 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 70814#(<= 6910 (+ (* 27 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 70817#(<= 6985 (+ (* 24 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 70816#(<= 6961 (+ (* 25 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 70819#(<= 7030 (+ (* 22 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 70818#(<= 7008 (+ (* 23 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 70821#(<= 7071 (+ (* 20 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 70820#(<= 7051 (+ (* 21 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 70823#(<= 7108 (+ (* 18 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 70822#(<= 7090 (+ (* 19 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 70825#(<= 7141 (+ (* 16 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 70824#(<= 7125 (+ (* 17 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 70827#(<= 7170 (+ (* 14 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 70826#(<= 7156 (+ (* 15 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 70829#(<= 7195 (+ (* 12 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 70828#(<= 7183 (+ (* 13 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 70831#(<= 7216 (+ (* 10 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 70830#(<= 7206 (+ (* 11 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 70833#(<= 7233 (+ (* 8 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 70832#(<= 7225 (+ (* 9 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 70835#(<= 7246 (+ (* 6 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 70834#(<= 7240 (+ (* 7 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 70837#(<= 7255 (+ (* 4 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 70836#(<= 7251 (+ (* 5 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 70839#(<= 7260 (+ (* 2 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 70838#(<= 7258 (+ (* 3 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 70841#(<= 7261 ULTIMATE.start_main_~x~5), 70840#(<= 7261 (+ ULTIMATE.start_main_~y~5 ULTIMATE.start_main_~x~5)), 70842#(<= (+ ULTIMATE.start_main_~y~5 7260) ULTIMATE.start_main_~x~5)] [2018-07-23 13:45:01,035 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 13:45:01,035 INFO L450 AbstractCegarLoop]: Interpolant automaton has 125 states [2018-07-23 13:45:01,036 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 125 interpolants. [2018-07-23 13:45:01,036 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=247, Invalid=15253, Unknown=0, NotChecked=0, Total=15500 [2018-07-23 13:45:01,036 INFO L87 Difference]: Start difference. First operand 249 states and 249 transitions. Second operand 125 states. [2018-07-23 13:45:03,559 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-07-23 13:45:03,559 INFO L93 Difference]: Finished difference Result 253 states and 253 transitions. [2018-07-23 13:45:03,559 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 125 states. [2018-07-23 13:45:03,559 INFO L78 Accepts]: Start accepts. Automaton has 125 states. Word has length 248 [2018-07-23 13:45:03,560 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-07-23 13:45:03,560 INFO L225 Difference]: With dead ends: 253 [2018-07-23 13:45:03,560 INFO L226 Difference]: Without dead ends: 251 [2018-07-23 13:45:03,561 INFO L575 BasicCegarLoop]: 0 DeclaredPredicates, 124 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 123 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.9s TimeCoverageRelationStatistics Valid=247, Invalid=15253, Unknown=0, NotChecked=0, Total=15500 [2018-07-23 13:45:03,561 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 251 states. [2018-07-23 13:45:03,667 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 251 to 251. [2018-07-23 13:45:03,667 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 251 states. [2018-07-23 13:45:03,668 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 251 states to 251 states and 251 transitions. [2018-07-23 13:45:03,668 INFO L78 Accepts]: Start accepts. Automaton has 251 states and 251 transitions. Word has length 248 [2018-07-23 13:45:03,668 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-07-23 13:45:03,668 INFO L471 AbstractCegarLoop]: Abstraction has 251 states and 251 transitions. [2018-07-23 13:45:03,668 INFO L472 AbstractCegarLoop]: Interpolant automaton has 125 states. [2018-07-23 13:45:03,668 INFO L276 IsEmpty]: Start isEmpty. Operand 251 states and 251 transitions. [2018-07-23 13:45:03,669 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 251 [2018-07-23 13:45:03,669 INFO L349 BasicCegarLoop]: Found error trace [2018-07-23 13:45:03,669 INFO L357 BasicCegarLoop]: trace histogram [124, 123, 1, 1, 1] [2018-07-23 13:45:03,669 INFO L414 AbstractCegarLoop]: === Iteration 124 === [ULTIMATE.startErr0AssertViolationASSERT]=== [2018-07-23 13:45:03,669 INFO L82 PathProgramCache]: Analyzing trace with hash -945439719, now seen corresponding path program 123 times [2018-07-23 13:45:03,670 INFO L69 tionRefinementEngine]: Using refinement strategy FixedRefinementStrategy [2018-07-23 13:45:04,042 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-07-23 13:45:05,417 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 13:45:05,417 INFO L309 seRefinementStrategy]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2018-07-23 13:45:05,417 INFO L324 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [125] total 125 [2018-07-23 13:45:05,417 INFO L142 lantAutomatonBuilder]: Constructing canonical interpolant automaton, with selfloop in false state [2018-07-23 13:45:05,417 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-07-23 13:45:05,418 INFO L185 omatonBuilderFactory]: Interpolants [71937#(<= 6679 (+ (* 38 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 71936#(<= 6641 (+ (* 39 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 71939#(<= 6752 (+ (* 36 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 71938#(<= 6716 (+ (* 37 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 71941#(<= 6821 (+ (* 34 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 71940#(<= 6787 (+ (* 35 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 71943#(<= 6886 (+ (* 32 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 71942#(<= 6854 (+ (* 33 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 71945#(<= 6947 (+ (* 30 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 71944#(<= 6917 (+ (* 31 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 71947#(<= 7004 (+ (* 28 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 71946#(<= 6976 (+ (* 29 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 71949#(<= 7057 (+ (* 26 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 71948#(<= 7031 (+ (* 27 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 71951#(<= 7106 (+ (* 24 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 71950#(<= 7082 (+ (* 25 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 71953#(<= 7151 (+ (* 22 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 71952#(<= 7129 (+ (* 23 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 71955#(<= 7192 (+ (* 20 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 71954#(<= 7172 (+ (* 21 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 71957#(<= 7229 (+ (* 18 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 71956#(<= 7211 (+ (* 19 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 71959#(<= 7262 (+ (* 16 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 71958#(<= 7246 (+ (* 17 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 71961#(<= 7291 (+ (* 14 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 71960#(<= 7277 (+ (* 15 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 71963#(<= 7316 (+ (* 12 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 71962#(<= 7304 (+ (* 13 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 71965#(<= 7337 (+ (* 10 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 71964#(<= 7327 (+ (* 11 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 71967#(<= 7354 (+ (* 8 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 71966#(<= 7346 (+ (* 9 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 71969#(<= 7367 (+ (* 6 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 71968#(<= 7361 (+ (* 7 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 71971#(<= 7376 (+ (* 4 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 71970#(<= 7372 (+ (* 5 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 71973#(<= 7381 (+ (* 2 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 71972#(<= 7379 (+ (* 3 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 71975#(<= 7382 ULTIMATE.start_main_~x~5), 71974#(<= 7382 (+ ULTIMATE.start_main_~y~5 ULTIMATE.start_main_~x~5)), 71976#(<= (+ ULTIMATE.start_main_~y~5 7381) ULTIMATE.start_main_~x~5), 71851#true, 71853#(<= 1 (+ (* 122 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 71852#false, 71855#(<= 242 (+ (* 120 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 71854#(<= 122 (+ (* 121 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 71857#(<= 479 (+ (* 118 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 71856#(<= 361 (+ (* 119 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 71859#(<= 712 (+ (* 116 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 71858#(<= 596 (+ (* 117 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 71861#(<= 941 (+ (* 114 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 71860#(<= 827 (+ (* 115 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 71863#(<= 1166 (+ (* 112 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 71862#(<= 1054 (+ (* 113 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 71865#(<= 1387 (+ (* 110 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 71864#(<= 1277 (+ (* 111 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 71867#(<= 1604 (+ (* 108 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 71866#(<= 1496 (+ (* 109 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 71869#(<= 1817 (+ (* 106 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 71868#(<= 1711 (+ (* 107 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 71871#(<= 2026 (+ (* 104 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 71870#(<= 1922 (+ (* 105 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 71873#(<= 2231 (+ (* 102 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 71872#(<= 2129 (+ (* 103 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 71875#(<= 2432 (+ (* 100 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 71874#(<= 2332 (+ (* 101 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 71877#(<= 2629 (+ (* 98 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 71876#(<= 2531 (+ (* 99 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 71879#(<= 2822 (+ (* 96 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 71878#(<= 2726 (+ (* 97 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 71881#(<= 3011 (+ (* 94 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 71880#(<= 2917 (+ (* 95 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 71883#(<= 3196 (+ (* 92 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 71882#(<= 3104 (+ (* 93 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 71885#(<= 3377 (+ (* 90 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 71884#(<= 3287 (+ (* 91 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 71887#(<= 3554 (+ (* 88 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 71886#(<= 3466 (+ (* 89 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 71889#(<= 3727 (+ (* 86 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 71888#(<= 3641 (+ (* 87 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 71891#(<= 3896 (+ (* 84 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 71890#(<= 3812 (+ (* 85 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 71893#(<= 4061 (+ (* 82 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 71892#(<= 3979 (+ (* 83 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 71895#(<= 4222 (+ (* 80 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 71894#(<= 4142 (+ (* 81 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 71897#(<= 4379 (+ (* 78 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 71896#(<= 4301 (+ (* 79 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 71899#(<= 4532 (+ (* 76 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 71898#(<= 4456 (+ (* 77 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 71901#(<= 4681 (+ (* 74 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 71900#(<= 4607 (+ (* 75 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 71903#(<= 4826 (+ (* 72 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 71902#(<= 4754 (+ (* 73 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 71905#(<= 4967 (+ (* 70 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 71904#(<= 4897 (+ (* 71 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 71907#(<= 5104 (+ (* 68 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 71906#(<= 5036 (+ (* 69 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 71909#(<= 5237 (+ (* 66 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 71908#(<= 5171 (+ (* 67 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 71911#(<= 5366 (+ (* 64 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 71910#(<= 5302 (+ (* 65 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 71913#(<= 5491 (+ (* 62 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 71912#(<= 5429 (+ (* 63 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 71915#(<= 5612 (+ (* 60 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 71914#(<= 5552 (+ (* 61 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 71917#(<= 5729 (+ (* 58 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 71916#(<= 5671 (+ (* 59 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 71919#(<= 5842 (+ (* 56 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 71918#(<= 5786 (+ (* 57 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 71921#(<= 5951 (+ (* 54 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 71920#(<= 5897 (+ (* 55 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 71923#(<= 6056 (+ (* 52 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 71922#(<= 6004 (+ (* 53 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 71925#(<= 6157 (+ (* 50 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 71924#(<= 6107 (+ (* 51 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 71927#(<= 6254 (+ (* 48 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 71926#(<= 6206 (+ (* 49 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 71929#(<= 6347 (+ (* 46 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 71928#(<= 6301 (+ (* 47 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 71931#(<= 6436 (+ (* 44 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 71930#(<= 6392 (+ (* 45 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 71933#(<= 6521 (+ (* 42 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 71932#(<= 6479 (+ (* 43 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 71935#(<= 6602 (+ (* 40 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 71934#(<= 6562 (+ (* 41 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5))] [2018-07-23 13:45:05,419 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 13:45:05,419 INFO L450 AbstractCegarLoop]: Interpolant automaton has 126 states [2018-07-23 13:45:05,419 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 126 interpolants. [2018-07-23 13:45:05,419 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=249, Invalid=15501, Unknown=0, NotChecked=0, Total=15750 [2018-07-23 13:45:05,420 INFO L87 Difference]: Start difference. First operand 251 states and 251 transitions. Second operand 126 states. [2018-07-23 13:45:07,909 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-07-23 13:45:07,909 INFO L93 Difference]: Finished difference Result 255 states and 255 transitions. [2018-07-23 13:45:07,910 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 126 states. [2018-07-23 13:45:07,910 INFO L78 Accepts]: Start accepts. Automaton has 126 states. Word has length 250 [2018-07-23 13:45:07,910 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-07-23 13:45:07,911 INFO L225 Difference]: With dead ends: 255 [2018-07-23 13:45:07,911 INFO L226 Difference]: Without dead ends: 253 [2018-07-23 13:45:07,912 INFO L575 BasicCegarLoop]: 0 DeclaredPredicates, 125 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 124 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.9s TimeCoverageRelationStatistics Valid=249, Invalid=15501, Unknown=0, NotChecked=0, Total=15750 [2018-07-23 13:45:07,912 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 253 states. [2018-07-23 13:45:08,016 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 253 to 253. [2018-07-23 13:45:08,017 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 253 states. [2018-07-23 13:45:08,017 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 253 states to 253 states and 253 transitions. [2018-07-23 13:45:08,017 INFO L78 Accepts]: Start accepts. Automaton has 253 states and 253 transitions. Word has length 250 [2018-07-23 13:45:08,017 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-07-23 13:45:08,017 INFO L471 AbstractCegarLoop]: Abstraction has 253 states and 253 transitions. [2018-07-23 13:45:08,017 INFO L472 AbstractCegarLoop]: Interpolant automaton has 126 states. [2018-07-23 13:45:08,018 INFO L276 IsEmpty]: Start isEmpty. Operand 253 states and 253 transitions. [2018-07-23 13:45:08,018 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 253 [2018-07-23 13:45:08,018 INFO L349 BasicCegarLoop]: Found error trace [2018-07-23 13:45:08,018 INFO L357 BasicCegarLoop]: trace histogram [125, 124, 1, 1, 1] [2018-07-23 13:45:08,018 INFO L414 AbstractCegarLoop]: === Iteration 125 === [ULTIMATE.startErr0AssertViolationASSERT]=== [2018-07-23 13:45:08,019 INFO L82 PathProgramCache]: Analyzing trace with hash 1965429781, now seen corresponding path program 124 times [2018-07-23 13:45:08,019 INFO L69 tionRefinementEngine]: Using refinement strategy FixedRefinementStrategy [2018-07-23 13:45:08,442 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-07-23 13:45:09,929 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 13:45:09,929 INFO L309 seRefinementStrategy]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2018-07-23 13:45:09,929 INFO L324 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [126] total 126 [2018-07-23 13:45:09,929 INFO L142 lantAutomatonBuilder]: Constructing canonical interpolant automaton, with selfloop in false state [2018-07-23 13:45:09,930 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-07-23 13:45:09,930 INFO L185 omatonBuilderFactory]: Interpolants [72993#true, 72995#(<= 1 (+ (* 123 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 72994#false, 72997#(<= 244 (+ (* 121 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 72996#(<= 123 (+ (* 122 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 72999#(<= 483 (+ (* 119 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 72998#(<= 364 (+ (* 120 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 73001#(<= 718 (+ (* 117 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 73000#(<= 601 (+ (* 118 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 73003#(<= 949 (+ (* 115 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 73002#(<= 834 (+ (* 116 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 73005#(<= 1176 (+ (* 113 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 73004#(<= 1063 (+ (* 114 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 73007#(<= 1399 (+ (* 111 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 73006#(<= 1288 (+ (* 112 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 73009#(<= 1618 (+ (* 109 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 73008#(<= 1509 (+ (* 110 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 73011#(<= 1833 (+ (* 107 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 73010#(<= 1726 (+ (* 108 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 73013#(<= 2044 (+ (* 105 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 73012#(<= 1939 (+ (* 106 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 73015#(<= 2251 (+ (* 103 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 73014#(<= 2148 (+ (* 104 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 73017#(<= 2454 (+ (* 101 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 73016#(<= 2353 (+ (* 102 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 73019#(<= 2653 (+ (* 99 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 73018#(<= 2554 (+ (* 100 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 73021#(<= 2848 (+ (* 97 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 73020#(<= 2751 (+ (* 98 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 73023#(<= 3039 (+ (* 95 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 73022#(<= 2944 (+ (* 96 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 73025#(<= 3226 (+ (* 93 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 73024#(<= 3133 (+ (* 94 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 73027#(<= 3409 (+ (* 91 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 73026#(<= 3318 (+ (* 92 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 73029#(<= 3588 (+ (* 89 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 73028#(<= 3499 (+ (* 90 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 73031#(<= 3763 (+ (* 87 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 73030#(<= 3676 (+ (* 88 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 73033#(<= 3934 (+ (* 85 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 73032#(<= 3849 (+ (* 86 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 73035#(<= 4101 (+ (* 83 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 73034#(<= 4018 (+ (* 84 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 73037#(<= 4264 (+ (* 81 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 73036#(<= 4183 (+ (* 82 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 73039#(<= 4423 (+ (* 79 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 73038#(<= 4344 (+ (* 80 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 73041#(<= 4578 (+ (* 77 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 73040#(<= 4501 (+ (* 78 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 73043#(<= 4729 (+ (* 75 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 73042#(<= 4654 (+ (* 76 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 73045#(<= 4876 (+ (* 73 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 73044#(<= 4803 (+ (* 74 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 73047#(<= 5019 (+ (* 71 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 73046#(<= 4948 (+ (* 72 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 73049#(<= 5158 (+ (* 69 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 73048#(<= 5089 (+ (* 70 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 73051#(<= 5293 (+ (* 67 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 73050#(<= 5226 (+ (* 68 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 73053#(<= 5424 (+ (* 65 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 73052#(<= 5359 (+ (* 66 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 73055#(<= 5551 (+ (* 63 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 73054#(<= 5488 (+ (* 64 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 73057#(<= 5674 (+ (* 61 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 73056#(<= 5613 (+ (* 62 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 73059#(<= 5793 (+ (* 59 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 73058#(<= 5734 (+ (* 60 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 73061#(<= 5908 (+ (* 57 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 73060#(<= 5851 (+ (* 58 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 73063#(<= 6019 (+ (* 55 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 73062#(<= 5964 (+ (* 56 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 73065#(<= 6126 (+ (* 53 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 73064#(<= 6073 (+ (* 54 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 73067#(<= 6229 (+ (* 51 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 73066#(<= 6178 (+ (* 52 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 73069#(<= 6328 (+ (* 49 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 73068#(<= 6279 (+ (* 50 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 73071#(<= 6423 (+ (* 47 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 73070#(<= 6376 (+ (* 48 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 73073#(<= 6514 (+ (* 45 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 73072#(<= 6469 (+ (* 46 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 73075#(<= 6601 (+ (* 43 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 73074#(<= 6558 (+ (* 44 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 73077#(<= 6684 (+ (* 41 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 73076#(<= 6643 (+ (* 42 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 73079#(<= 6763 (+ (* 39 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 73078#(<= 6724 (+ (* 40 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 73081#(<= 6838 (+ (* 37 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 73080#(<= 6801 (+ (* 38 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 73083#(<= 6909 (+ (* 35 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 73082#(<= 6874 (+ (* 36 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 73085#(<= 6976 (+ (* 33 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 73084#(<= 6943 (+ (* 34 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 73087#(<= 7039 (+ (* 31 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 73086#(<= 7008 (+ (* 32 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 73089#(<= 7098 (+ (* 29 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 73088#(<= 7069 (+ (* 30 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 73091#(<= 7153 (+ (* 27 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 73090#(<= 7126 (+ (* 28 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 73093#(<= 7204 (+ (* 25 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 73092#(<= 7179 (+ (* 26 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 73095#(<= 7251 (+ (* 23 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 73094#(<= 7228 (+ (* 24 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 73097#(<= 7294 (+ (* 21 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 73096#(<= 7273 (+ (* 22 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 73099#(<= 7333 (+ (* 19 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 73098#(<= 7314 (+ (* 20 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 73101#(<= 7368 (+ (* 17 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 73100#(<= 7351 (+ (* 18 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 73103#(<= 7399 (+ (* 15 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 73102#(<= 7384 (+ (* 16 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 73105#(<= 7426 (+ (* 13 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 73104#(<= 7413 (+ (* 14 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 73107#(<= 7449 (+ (* 11 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 73106#(<= 7438 (+ (* 12 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 73109#(<= 7468 (+ (* 9 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 73108#(<= 7459 (+ (* 10 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 73111#(<= 7483 (+ (* 7 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 73110#(<= 7476 (+ (* 8 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 73113#(<= 7494 (+ (* 5 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 73112#(<= 7489 (+ (* 6 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 73115#(<= 7501 (+ (* 3 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 73114#(<= 7498 (+ (* 4 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 73117#(<= 7504 (+ ULTIMATE.start_main_~y~5 ULTIMATE.start_main_~x~5)), 73116#(<= 7503 (+ (* 2 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 73119#(<= (+ ULTIMATE.start_main_~y~5 7503) ULTIMATE.start_main_~x~5), 73118#(<= 7504 ULTIMATE.start_main_~x~5)] [2018-07-23 13:45:09,931 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 13:45:09,931 INFO L450 AbstractCegarLoop]: Interpolant automaton has 127 states [2018-07-23 13:45:09,931 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 127 interpolants. [2018-07-23 13:45:09,932 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=251, Invalid=15751, Unknown=0, NotChecked=0, Total=16002 [2018-07-23 13:45:09,932 INFO L87 Difference]: Start difference. First operand 253 states and 253 transitions. Second operand 127 states. [2018-07-23 13:45:12,642 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-07-23 13:45:12,643 INFO L93 Difference]: Finished difference Result 257 states and 257 transitions. [2018-07-23 13:45:12,643 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 127 states. [2018-07-23 13:45:12,643 INFO L78 Accepts]: Start accepts. Automaton has 127 states. Word has length 252 [2018-07-23 13:45:12,643 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-07-23 13:45:12,644 INFO L225 Difference]: With dead ends: 257 [2018-07-23 13:45:12,644 INFO L226 Difference]: Without dead ends: 255 [2018-07-23 13:45:12,645 INFO L575 BasicCegarLoop]: 0 DeclaredPredicates, 126 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 125 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.9s TimeCoverageRelationStatistics Valid=251, Invalid=15751, Unknown=0, NotChecked=0, Total=16002 [2018-07-23 13:45:12,645 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 255 states. [2018-07-23 13:45:12,754 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 255 to 255. [2018-07-23 13:45:12,754 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 255 states. [2018-07-23 13:45:12,754 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 255 states to 255 states and 255 transitions. [2018-07-23 13:45:12,754 INFO L78 Accepts]: Start accepts. Automaton has 255 states and 255 transitions. Word has length 252 [2018-07-23 13:45:12,754 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-07-23 13:45:12,755 INFO L471 AbstractCegarLoop]: Abstraction has 255 states and 255 transitions. [2018-07-23 13:45:12,755 INFO L472 AbstractCegarLoop]: Interpolant automaton has 127 states. [2018-07-23 13:45:12,755 INFO L276 IsEmpty]: Start isEmpty. Operand 255 states and 255 transitions. [2018-07-23 13:45:12,755 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 255 [2018-07-23 13:45:12,755 INFO L349 BasicCegarLoop]: Found error trace [2018-07-23 13:45:12,756 INFO L357 BasicCegarLoop]: trace histogram [126, 125, 1, 1, 1] [2018-07-23 13:45:12,756 INFO L414 AbstractCegarLoop]: === Iteration 126 === [ULTIMATE.startErr0AssertViolationASSERT]=== [2018-07-23 13:45:12,756 INFO L82 PathProgramCache]: Analyzing trace with hash -1007657711, now seen corresponding path program 125 times [2018-07-23 13:45:12,756 INFO L69 tionRefinementEngine]: Using refinement strategy FixedRefinementStrategy [2018-07-23 13:45:13,158 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-07-23 13:45:14,515 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 13:45:14,515 INFO L309 seRefinementStrategy]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2018-07-23 13:45:14,515 INFO L324 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [127] total 127 [2018-07-23 13:45:14,515 INFO L142 lantAutomatonBuilder]: Constructing canonical interpolant automaton, with selfloop in false state [2018-07-23 13:45:14,516 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-07-23 13:45:14,516 INFO L185 omatonBuilderFactory]: Interpolants [74241#(<= 7221 (+ (* 29 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 74240#(<= 7192 (+ (* 30 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 74243#(<= 7276 (+ (* 27 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 74242#(<= 7249 (+ (* 28 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 74245#(<= 7327 (+ (* 25 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 74244#(<= 7302 (+ (* 26 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 74247#(<= 7374 (+ (* 23 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 74246#(<= 7351 (+ (* 24 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 74249#(<= 7417 (+ (* 21 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 74248#(<= 7396 (+ (* 22 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 74251#(<= 7456 (+ (* 19 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 74250#(<= 7437 (+ (* 20 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 74253#(<= 7491 (+ (* 17 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 74252#(<= 7474 (+ (* 18 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 74255#(<= 7522 (+ (* 15 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 74254#(<= 7507 (+ (* 16 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 74257#(<= 7549 (+ (* 13 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 74256#(<= 7536 (+ (* 14 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 74259#(<= 7572 (+ (* 11 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 74258#(<= 7561 (+ (* 12 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 74261#(<= 7591 (+ (* 9 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 74260#(<= 7582 (+ (* 10 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 74263#(<= 7606 (+ (* 7 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 74262#(<= 7599 (+ (* 8 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 74265#(<= 7617 (+ (* 5 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 74264#(<= 7612 (+ (* 6 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 74267#(<= 7624 (+ (* 3 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 74266#(<= 7621 (+ (* 4 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 74269#(<= 7627 (+ ULTIMATE.start_main_~y~5 ULTIMATE.start_main_~x~5)), 74268#(<= 7626 (+ (* 2 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 74271#(<= (+ ULTIMATE.start_main_~y~5 7626) ULTIMATE.start_main_~x~5), 74270#(<= 7627 ULTIMATE.start_main_~x~5), 74145#false, 74144#true, 74147#(<= 124 (+ (* 123 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 74146#(<= 1 (+ (* 124 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 74149#(<= 367 (+ (* 121 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 74148#(<= 246 (+ (* 122 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 74151#(<= 606 (+ (* 119 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 74150#(<= 487 (+ (* 120 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 74153#(<= 841 (+ (* 117 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 74152#(<= 724 (+ (* 118 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 74155#(<= 1072 (+ (* 115 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 74154#(<= 957 (+ (* 116 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 74157#(<= 1299 (+ (* 113 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 74156#(<= 1186 (+ (* 114 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 74159#(<= 1522 (+ (* 111 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 74158#(<= 1411 (+ (* 112 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 74161#(<= 1741 (+ (* 109 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 74160#(<= 1632 (+ (* 110 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 74163#(<= 1956 (+ (* 107 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 74162#(<= 1849 (+ (* 108 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 74165#(<= 2167 (+ (* 105 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 74164#(<= 2062 (+ (* 106 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 74167#(<= 2374 (+ (* 103 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 74166#(<= 2271 (+ (* 104 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 74169#(<= 2577 (+ (* 101 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 74168#(<= 2476 (+ (* 102 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 74171#(<= 2776 (+ (* 99 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 74170#(<= 2677 (+ (* 100 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 74173#(<= 2971 (+ (* 97 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 74172#(<= 2874 (+ (* 98 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 74175#(<= 3162 (+ (* 95 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 74174#(<= 3067 (+ (* 96 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 74177#(<= 3349 (+ (* 93 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 74176#(<= 3256 (+ (* 94 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 74179#(<= 3532 (+ (* 91 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 74178#(<= 3441 (+ (* 92 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 74181#(<= 3711 (+ (* 89 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 74180#(<= 3622 (+ (* 90 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 74183#(<= 3886 (+ (* 87 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 74182#(<= 3799 (+ (* 88 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 74185#(<= 4057 (+ (* 85 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 74184#(<= 3972 (+ (* 86 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 74187#(<= 4224 (+ (* 83 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 74186#(<= 4141 (+ (* 84 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 74189#(<= 4387 (+ (* 81 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 74188#(<= 4306 (+ (* 82 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 74191#(<= 4546 (+ (* 79 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 74190#(<= 4467 (+ (* 80 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 74193#(<= 4701 (+ (* 77 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 74192#(<= 4624 (+ (* 78 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 74195#(<= 4852 (+ (* 75 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 74194#(<= 4777 (+ (* 76 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 74197#(<= 4999 (+ (* 73 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 74196#(<= 4926 (+ (* 74 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 74199#(<= 5142 (+ (* 71 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 74198#(<= 5071 (+ (* 72 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 74201#(<= 5281 (+ (* 69 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 74200#(<= 5212 (+ (* 70 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 74203#(<= 5416 (+ (* 67 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 74202#(<= 5349 (+ (* 68 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 74205#(<= 5547 (+ (* 65 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 74204#(<= 5482 (+ (* 66 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 74207#(<= 5674 (+ (* 63 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 74206#(<= 5611 (+ (* 64 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 74209#(<= 5797 (+ (* 61 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 74208#(<= 5736 (+ (* 62 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 74211#(<= 5916 (+ (* 59 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 74210#(<= 5857 (+ (* 60 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 74213#(<= 6031 (+ (* 57 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 74212#(<= 5974 (+ (* 58 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 74215#(<= 6142 (+ (* 55 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 74214#(<= 6087 (+ (* 56 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 74217#(<= 6249 (+ (* 53 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 74216#(<= 6196 (+ (* 54 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 74219#(<= 6352 (+ (* 51 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 74218#(<= 6301 (+ (* 52 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 74221#(<= 6451 (+ (* 49 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 74220#(<= 6402 (+ (* 50 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 74223#(<= 6546 (+ (* 47 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 74222#(<= 6499 (+ (* 48 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 74225#(<= 6637 (+ (* 45 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 74224#(<= 6592 (+ (* 46 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 74227#(<= 6724 (+ (* 43 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 74226#(<= 6681 (+ (* 44 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 74229#(<= 6807 (+ (* 41 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 74228#(<= 6766 (+ (* 42 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 74231#(<= 6886 (+ (* 39 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 74230#(<= 6847 (+ (* 40 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 74233#(<= 6961 (+ (* 37 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 74232#(<= 6924 (+ (* 38 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 74235#(<= 7032 (+ (* 35 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 74234#(<= 6997 (+ (* 36 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 74237#(<= 7099 (+ (* 33 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 74236#(<= 7066 (+ (* 34 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 74239#(<= 7162 (+ (* 31 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 74238#(<= 7131 (+ (* 32 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5))] [2018-07-23 13:45:14,517 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 13:45:14,517 INFO L450 AbstractCegarLoop]: Interpolant automaton has 128 states [2018-07-23 13:45:14,517 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 128 interpolants. [2018-07-23 13:45:14,518 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=253, Invalid=16003, Unknown=0, NotChecked=0, Total=16256 [2018-07-23 13:45:14,518 INFO L87 Difference]: Start difference. First operand 255 states and 255 transitions. Second operand 128 states. [2018-07-23 13:45:17,186 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-07-23 13:45:17,186 INFO L93 Difference]: Finished difference Result 259 states and 259 transitions. [2018-07-23 13:45:17,186 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 128 states. [2018-07-23 13:45:17,186 INFO L78 Accepts]: Start accepts. Automaton has 128 states. Word has length 254 [2018-07-23 13:45:17,186 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-07-23 13:45:17,187 INFO L225 Difference]: With dead ends: 259 [2018-07-23 13:45:17,187 INFO L226 Difference]: Without dead ends: 257 [2018-07-23 13:45:17,188 INFO L575 BasicCegarLoop]: 0 DeclaredPredicates, 127 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 126 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.9s TimeCoverageRelationStatistics Valid=253, Invalid=16003, Unknown=0, NotChecked=0, Total=16256 [2018-07-23 13:45:17,189 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 257 states. [2018-07-23 13:45:17,299 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 257 to 257. [2018-07-23 13:45:17,299 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 257 states. [2018-07-23 13:45:17,299 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 257 states to 257 states and 257 transitions. [2018-07-23 13:45:17,300 INFO L78 Accepts]: Start accepts. Automaton has 257 states and 257 transitions. Word has length 254 [2018-07-23 13:45:17,300 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-07-23 13:45:17,300 INFO L471 AbstractCegarLoop]: Abstraction has 257 states and 257 transitions. [2018-07-23 13:45:17,300 INFO L472 AbstractCegarLoop]: Interpolant automaton has 128 states. [2018-07-23 13:45:17,300 INFO L276 IsEmpty]: Start isEmpty. Operand 257 states and 257 transitions. [2018-07-23 13:45:17,301 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 257 [2018-07-23 13:45:17,301 INFO L349 BasicCegarLoop]: Found error trace [2018-07-23 13:45:17,301 INFO L357 BasicCegarLoop]: trace histogram [127, 126, 1, 1, 1] [2018-07-23 13:45:17,301 INFO L414 AbstractCegarLoop]: === Iteration 127 === [ULTIMATE.startErr0AssertViolationASSERT]=== [2018-07-23 13:45:17,301 INFO L82 PathProgramCache]: Analyzing trace with hash -1991485683, now seen corresponding path program 126 times [2018-07-23 13:45:17,301 INFO L69 tionRefinementEngine]: Using refinement strategy FixedRefinementStrategy [2018-07-23 13:45:17,767 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-07-23 13:45:19,294 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 13:45:19,295 INFO L309 seRefinementStrategy]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2018-07-23 13:45:19,295 INFO L324 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [128] total 128 [2018-07-23 13:45:19,295 INFO L142 lantAutomatonBuilder]: Constructing canonical interpolant automaton, with selfloop in false state [2018-07-23 13:45:19,295 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-07-23 13:45:19,295 INFO L185 omatonBuilderFactory]: Interpolants [75305#false, 75304#true, 75307#(<= 125 (+ (* 124 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 75306#(<= 1 (+ (* 125 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 75309#(<= 370 (+ (* 122 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 75308#(<= 248 (+ (* 123 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 75311#(<= 611 (+ (* 120 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 75310#(<= 491 (+ (* 121 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 75313#(<= 848 (+ (* 118 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 75312#(<= 730 (+ (* 119 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 75315#(<= 1081 (+ (* 116 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 75314#(<= 965 (+ (* 117 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 75317#(<= 1310 (+ (* 114 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 75316#(<= 1196 (+ (* 115 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 75319#(<= 1535 (+ (* 112 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 75318#(<= 1423 (+ (* 113 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 75321#(<= 1756 (+ (* 110 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 75320#(<= 1646 (+ (* 111 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 75323#(<= 1973 (+ (* 108 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 75322#(<= 1865 (+ (* 109 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 75325#(<= 2186 (+ (* 106 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 75324#(<= 2080 (+ (* 107 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 75327#(<= 2395 (+ (* 104 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 75326#(<= 2291 (+ (* 105 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 75329#(<= 2600 (+ (* 102 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 75328#(<= 2498 (+ (* 103 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 75331#(<= 2801 (+ (* 100 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 75330#(<= 2701 (+ (* 101 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 75333#(<= 2998 (+ (* 98 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 75332#(<= 2900 (+ (* 99 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 75335#(<= 3191 (+ (* 96 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 75334#(<= 3095 (+ (* 97 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 75337#(<= 3380 (+ (* 94 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 75336#(<= 3286 (+ (* 95 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 75339#(<= 3565 (+ (* 92 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 75338#(<= 3473 (+ (* 93 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 75341#(<= 3746 (+ (* 90 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 75340#(<= 3656 (+ (* 91 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 75343#(<= 3923 (+ (* 88 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 75342#(<= 3835 (+ (* 89 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 75345#(<= 4096 (+ (* 86 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 75344#(<= 4010 (+ (* 87 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 75347#(<= 4265 (+ (* 84 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 75346#(<= 4181 (+ (* 85 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 75349#(<= 4430 (+ (* 82 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 75348#(<= 4348 (+ (* 83 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 75351#(<= 4591 (+ (* 80 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 75350#(<= 4511 (+ (* 81 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 75353#(<= 4748 (+ (* 78 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 75352#(<= 4670 (+ (* 79 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 75355#(<= 4901 (+ (* 76 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 75354#(<= 4825 (+ (* 77 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 75357#(<= 5050 (+ (* 74 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 75356#(<= 4976 (+ (* 75 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 75359#(<= 5195 (+ (* 72 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 75358#(<= 5123 (+ (* 73 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 75361#(<= 5336 (+ (* 70 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 75360#(<= 5266 (+ (* 71 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 75363#(<= 5473 (+ (* 68 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 75362#(<= 5405 (+ (* 69 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 75365#(<= 5606 (+ (* 66 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 75364#(<= 5540 (+ (* 67 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 75367#(<= 5735 (+ (* 64 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 75366#(<= 5671 (+ (* 65 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 75369#(<= 5860 (+ (* 62 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 75368#(<= 5798 (+ (* 63 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 75371#(<= 5981 (+ (* 60 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 75370#(<= 5921 (+ (* 61 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 75373#(<= 6098 (+ (* 58 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 75372#(<= 6040 (+ (* 59 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 75375#(<= 6211 (+ (* 56 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 75374#(<= 6155 (+ (* 57 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 75377#(<= 6320 (+ (* 54 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 75376#(<= 6266 (+ (* 55 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 75379#(<= 6425 (+ (* 52 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 75378#(<= 6373 (+ (* 53 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 75381#(<= 6526 (+ (* 50 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 75380#(<= 6476 (+ (* 51 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 75383#(<= 6623 (+ (* 48 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 75382#(<= 6575 (+ (* 49 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 75385#(<= 6716 (+ (* 46 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 75384#(<= 6670 (+ (* 47 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 75387#(<= 6805 (+ (* 44 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 75386#(<= 6761 (+ (* 45 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 75389#(<= 6890 (+ (* 42 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 75388#(<= 6848 (+ (* 43 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 75391#(<= 6971 (+ (* 40 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 75390#(<= 6931 (+ (* 41 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 75393#(<= 7048 (+ (* 38 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 75392#(<= 7010 (+ (* 39 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 75395#(<= 7121 (+ (* 36 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 75394#(<= 7085 (+ (* 37 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 75397#(<= 7190 (+ (* 34 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 75396#(<= 7156 (+ (* 35 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 75399#(<= 7255 (+ (* 32 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 75398#(<= 7223 (+ (* 33 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 75401#(<= 7316 (+ (* 30 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 75400#(<= 7286 (+ (* 31 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 75403#(<= 7373 (+ (* 28 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 75402#(<= 7345 (+ (* 29 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 75405#(<= 7426 (+ (* 26 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 75404#(<= 7400 (+ (* 27 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 75407#(<= 7475 (+ (* 24 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 75406#(<= 7451 (+ (* 25 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 75409#(<= 7520 (+ (* 22 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 75408#(<= 7498 (+ (* 23 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 75411#(<= 7561 (+ (* 20 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 75410#(<= 7541 (+ (* 21 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 75413#(<= 7598 (+ (* 18 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 75412#(<= 7580 (+ (* 19 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 75415#(<= 7631 (+ (* 16 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 75414#(<= 7615 (+ (* 17 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 75417#(<= 7660 (+ (* 14 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 75416#(<= 7646 (+ (* 15 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 75419#(<= 7685 (+ (* 12 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 75418#(<= 7673 (+ (* 13 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 75421#(<= 7706 (+ (* 10 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 75420#(<= 7696 (+ (* 11 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 75423#(<= 7723 (+ (* 8 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 75422#(<= 7715 (+ (* 9 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 75425#(<= 7736 (+ (* 6 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 75424#(<= 7730 (+ (* 7 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 75427#(<= 7745 (+ (* 4 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 75426#(<= 7741 (+ (* 5 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 75429#(<= 7750 (+ (* 2 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 75428#(<= 7748 (+ (* 3 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 75431#(<= 7751 ULTIMATE.start_main_~x~5), 75430#(<= 7751 (+ ULTIMATE.start_main_~y~5 ULTIMATE.start_main_~x~5)), 75432#(<= (+ ULTIMATE.start_main_~y~5 7750) ULTIMATE.start_main_~x~5)] [2018-07-23 13:45:19,296 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 13:45:19,297 INFO L450 AbstractCegarLoop]: Interpolant automaton has 129 states [2018-07-23 13:45:19,297 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 129 interpolants. [2018-07-23 13:45:19,298 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=255, Invalid=16257, Unknown=0, NotChecked=0, Total=16512 [2018-07-23 13:45:19,298 INFO L87 Difference]: Start difference. First operand 257 states and 257 transitions. Second operand 129 states. [2018-07-23 13:45:22,198 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-07-23 13:45:22,198 INFO L93 Difference]: Finished difference Result 261 states and 261 transitions. [2018-07-23 13:45:22,198 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 129 states. [2018-07-23 13:45:22,198 INFO L78 Accepts]: Start accepts. Automaton has 129 states. Word has length 256 [2018-07-23 13:45:22,199 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-07-23 13:45:22,199 INFO L225 Difference]: With dead ends: 261 [2018-07-23 13:45:22,199 INFO L226 Difference]: Without dead ends: 259 [2018-07-23 13:45:22,200 INFO L575 BasicCegarLoop]: 0 DeclaredPredicates, 128 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 127 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 1.0s TimeCoverageRelationStatistics Valid=255, Invalid=16257, Unknown=0, NotChecked=0, Total=16512 [2018-07-23 13:45:22,200 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 259 states. [2018-07-23 13:45:22,313 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 259 to 259. [2018-07-23 13:45:22,313 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 259 states. [2018-07-23 13:45:22,314 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 259 states to 259 states and 259 transitions. [2018-07-23 13:45:22,314 INFO L78 Accepts]: Start accepts. Automaton has 259 states and 259 transitions. Word has length 256 [2018-07-23 13:45:22,314 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-07-23 13:45:22,314 INFO L471 AbstractCegarLoop]: Abstraction has 259 states and 259 transitions. [2018-07-23 13:45:22,314 INFO L472 AbstractCegarLoop]: Interpolant automaton has 129 states. [2018-07-23 13:45:22,314 INFO L276 IsEmpty]: Start isEmpty. Operand 259 states and 259 transitions. [2018-07-23 13:45:22,315 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 259 [2018-07-23 13:45:22,315 INFO L349 BasicCegarLoop]: Found error trace [2018-07-23 13:45:22,315 INFO L357 BasicCegarLoop]: trace histogram [128, 127, 1, 1, 1] [2018-07-23 13:45:22,316 INFO L414 AbstractCegarLoop]: === Iteration 128 === [ULTIMATE.startErr0AssertViolationASSERT]=== [2018-07-23 13:45:22,316 INFO L82 PathProgramCache]: Analyzing trace with hash 1737605641, now seen corresponding path program 127 times [2018-07-23 13:45:22,316 INFO L69 tionRefinementEngine]: Using refinement strategy FixedRefinementStrategy [2018-07-23 13:45:22,794 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-07-23 13:45:24,349 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 13:45:24,350 INFO L309 seRefinementStrategy]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2018-07-23 13:45:24,350 INFO L324 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [129] total 129 [2018-07-23 13:45:24,350 INFO L142 lantAutomatonBuilder]: Constructing canonical interpolant automaton, with selfloop in false state [2018-07-23 13:45:24,351 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-07-23 13:45:24,351 INFO L185 omatonBuilderFactory]: Interpolants [76545#(<= 6336 (+ (* 56 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 76544#(<= 6280 (+ (* 57 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 76547#(<= 6445 (+ (* 54 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 76546#(<= 6391 (+ (* 55 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 76549#(<= 6550 (+ (* 52 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 76548#(<= 6498 (+ (* 53 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 76551#(<= 6651 (+ (* 50 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 76550#(<= 6601 (+ (* 51 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 76553#(<= 6748 (+ (* 48 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 76552#(<= 6700 (+ (* 49 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 76555#(<= 6841 (+ (* 46 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 76554#(<= 6795 (+ (* 47 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 76557#(<= 6930 (+ (* 44 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 76556#(<= 6886 (+ (* 45 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 76559#(<= 7015 (+ (* 42 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 76558#(<= 6973 (+ (* 43 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 76561#(<= 7096 (+ (* 40 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 76560#(<= 7056 (+ (* 41 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 76563#(<= 7173 (+ (* 38 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 76562#(<= 7135 (+ (* 39 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 76565#(<= 7246 (+ (* 36 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 76564#(<= 7210 (+ (* 37 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 76567#(<= 7315 (+ (* 34 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 76566#(<= 7281 (+ (* 35 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 76569#(<= 7380 (+ (* 32 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 76568#(<= 7348 (+ (* 33 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 76571#(<= 7441 (+ (* 30 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 76570#(<= 7411 (+ (* 31 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 76573#(<= 7498 (+ (* 28 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 76572#(<= 7470 (+ (* 29 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 76575#(<= 7551 (+ (* 26 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 76574#(<= 7525 (+ (* 27 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 76577#(<= 7600 (+ (* 24 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 76576#(<= 7576 (+ (* 25 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 76579#(<= 7645 (+ (* 22 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 76578#(<= 7623 (+ (* 23 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 76581#(<= 7686 (+ (* 20 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 76580#(<= 7666 (+ (* 21 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 76583#(<= 7723 (+ (* 18 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 76582#(<= 7705 (+ (* 19 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 76585#(<= 7756 (+ (* 16 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 76584#(<= 7740 (+ (* 17 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 76587#(<= 7785 (+ (* 14 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 76586#(<= 7771 (+ (* 15 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 76589#(<= 7810 (+ (* 12 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 76588#(<= 7798 (+ (* 13 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 76591#(<= 7831 (+ (* 10 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 76590#(<= 7821 (+ (* 11 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 76593#(<= 7848 (+ (* 8 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 76592#(<= 7840 (+ (* 9 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 76595#(<= 7861 (+ (* 6 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 76594#(<= 7855 (+ (* 7 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 76597#(<= 7870 (+ (* 4 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 76596#(<= 7866 (+ (* 5 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 76599#(<= 7875 (+ (* 2 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 76598#(<= 7873 (+ (* 3 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 76601#(<= 7876 ULTIMATE.start_main_~x~5), 76600#(<= 7876 (+ ULTIMATE.start_main_~y~5 ULTIMATE.start_main_~x~5)), 76602#(<= (+ ULTIMATE.start_main_~y~5 7875) ULTIMATE.start_main_~x~5), 76473#true, 76475#(<= 1 (+ (* 126 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 76474#false, 76477#(<= 250 (+ (* 124 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 76476#(<= 126 (+ (* 125 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 76479#(<= 495 (+ (* 122 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 76478#(<= 373 (+ (* 123 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 76481#(<= 736 (+ (* 120 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 76480#(<= 616 (+ (* 121 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 76483#(<= 973 (+ (* 118 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 76482#(<= 855 (+ (* 119 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 76485#(<= 1206 (+ (* 116 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 76484#(<= 1090 (+ (* 117 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 76487#(<= 1435 (+ (* 114 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 76486#(<= 1321 (+ (* 115 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 76489#(<= 1660 (+ (* 112 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 76488#(<= 1548 (+ (* 113 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 76491#(<= 1881 (+ (* 110 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 76490#(<= 1771 (+ (* 111 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 76493#(<= 2098 (+ (* 108 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 76492#(<= 1990 (+ (* 109 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 76495#(<= 2311 (+ (* 106 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 76494#(<= 2205 (+ (* 107 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 76497#(<= 2520 (+ (* 104 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 76496#(<= 2416 (+ (* 105 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 76499#(<= 2725 (+ (* 102 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 76498#(<= 2623 (+ (* 103 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 76501#(<= 2926 (+ (* 100 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 76500#(<= 2826 (+ (* 101 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 76503#(<= 3123 (+ (* 98 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 76502#(<= 3025 (+ (* 99 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 76505#(<= 3316 (+ (* 96 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 76504#(<= 3220 (+ (* 97 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 76507#(<= 3505 (+ (* 94 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 76506#(<= 3411 (+ (* 95 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 76509#(<= 3690 (+ (* 92 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 76508#(<= 3598 (+ (* 93 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 76511#(<= 3871 (+ (* 90 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 76510#(<= 3781 (+ (* 91 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 76513#(<= 4048 (+ (* 88 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 76512#(<= 3960 (+ (* 89 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 76515#(<= 4221 (+ (* 86 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 76514#(<= 4135 (+ (* 87 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 76517#(<= 4390 (+ (* 84 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 76516#(<= 4306 (+ (* 85 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 76519#(<= 4555 (+ (* 82 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 76518#(<= 4473 (+ (* 83 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 76521#(<= 4716 (+ (* 80 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 76520#(<= 4636 (+ (* 81 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 76523#(<= 4873 (+ (* 78 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 76522#(<= 4795 (+ (* 79 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 76525#(<= 5026 (+ (* 76 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 76524#(<= 4950 (+ (* 77 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 76527#(<= 5175 (+ (* 74 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 76526#(<= 5101 (+ (* 75 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 76529#(<= 5320 (+ (* 72 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 76528#(<= 5248 (+ (* 73 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 76531#(<= 5461 (+ (* 70 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 76530#(<= 5391 (+ (* 71 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 76533#(<= 5598 (+ (* 68 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 76532#(<= 5530 (+ (* 69 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 76535#(<= 5731 (+ (* 66 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 76534#(<= 5665 (+ (* 67 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 76537#(<= 5860 (+ (* 64 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 76536#(<= 5796 (+ (* 65 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 76539#(<= 5985 (+ (* 62 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 76538#(<= 5923 (+ (* 63 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 76541#(<= 6106 (+ (* 60 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 76540#(<= 6046 (+ (* 61 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 76543#(<= 6223 (+ (* 58 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 76542#(<= 6165 (+ (* 59 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5))] [2018-07-23 13:45:24,352 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 13:45:24,353 INFO L450 AbstractCegarLoop]: Interpolant automaton has 130 states [2018-07-23 13:45:24,353 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 130 interpolants. [2018-07-23 13:45:24,354 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=257, Invalid=16513, Unknown=0, NotChecked=0, Total=16770 [2018-07-23 13:45:24,354 INFO L87 Difference]: Start difference. First operand 259 states and 259 transitions. Second operand 130 states. [2018-07-23 13:45:27,059 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-07-23 13:45:27,060 INFO L93 Difference]: Finished difference Result 263 states and 263 transitions. [2018-07-23 13:45:27,060 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 130 states. [2018-07-23 13:45:27,060 INFO L78 Accepts]: Start accepts. Automaton has 130 states. Word has length 258 [2018-07-23 13:45:27,061 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-07-23 13:45:27,061 INFO L225 Difference]: With dead ends: 263 [2018-07-23 13:45:27,061 INFO L226 Difference]: Without dead ends: 261 [2018-07-23 13:45:27,062 INFO L575 BasicCegarLoop]: 0 DeclaredPredicates, 129 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 128 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 1.0s TimeCoverageRelationStatistics Valid=257, Invalid=16513, Unknown=0, NotChecked=0, Total=16770 [2018-07-23 13:45:27,062 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 261 states. [2018-07-23 13:45:27,173 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 261 to 261. [2018-07-23 13:45:27,174 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 261 states. [2018-07-23 13:45:27,174 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 261 states to 261 states and 261 transitions. [2018-07-23 13:45:27,174 INFO L78 Accepts]: Start accepts. Automaton has 261 states and 261 transitions. Word has length 258 [2018-07-23 13:45:27,175 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-07-23 13:45:27,175 INFO L471 AbstractCegarLoop]: Abstraction has 261 states and 261 transitions. [2018-07-23 13:45:27,175 INFO L472 AbstractCegarLoop]: Interpolant automaton has 130 states. [2018-07-23 13:45:27,175 INFO L276 IsEmpty]: Start isEmpty. Operand 261 states and 261 transitions. [2018-07-23 13:45:27,176 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 261 [2018-07-23 13:45:27,176 INFO L349 BasicCegarLoop]: Found error trace [2018-07-23 13:45:27,176 INFO L357 BasicCegarLoop]: trace histogram [129, 128, 1, 1, 1] [2018-07-23 13:45:27,176 INFO L414 AbstractCegarLoop]: === Iteration 129 === [ULTIMATE.startErr0AssertViolationASSERT]=== [2018-07-23 13:45:27,177 INFO L82 PathProgramCache]: Analyzing trace with hash -903324155, now seen corresponding path program 128 times [2018-07-23 13:45:27,177 INFO L69 tionRefinementEngine]: Using refinement strategy FixedRefinementStrategy [2018-07-23 13:45:27,622 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-07-23 13:45:29,084 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 13:45:29,084 INFO L309 seRefinementStrategy]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2018-07-23 13:45:29,085 INFO L324 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [130] total 130 [2018-07-23 13:45:29,085 INFO L142 lantAutomatonBuilder]: Constructing canonical interpolant automaton, with selfloop in false state [2018-07-23 13:45:29,085 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-07-23 13:45:29,086 INFO L185 omatonBuilderFactory]: Interpolants [77651#true, 77653#(<= 1 (+ (* 127 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 77652#false, 77655#(<= 252 (+ (* 125 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 77654#(<= 127 (+ (* 126 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 77657#(<= 499 (+ (* 123 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 77656#(<= 376 (+ (* 124 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 77659#(<= 742 (+ (* 121 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 77658#(<= 621 (+ (* 122 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 77661#(<= 981 (+ (* 119 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 77660#(<= 862 (+ (* 120 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 77663#(<= 1216 (+ (* 117 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 77662#(<= 1099 (+ (* 118 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 77665#(<= 1447 (+ (* 115 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 77664#(<= 1332 (+ (* 116 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 77667#(<= 1674 (+ (* 113 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 77666#(<= 1561 (+ (* 114 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 77669#(<= 1897 (+ (* 111 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 77668#(<= 1786 (+ (* 112 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 77671#(<= 2116 (+ (* 109 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 77670#(<= 2007 (+ (* 110 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 77673#(<= 2331 (+ (* 107 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 77672#(<= 2224 (+ (* 108 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 77675#(<= 2542 (+ (* 105 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 77674#(<= 2437 (+ (* 106 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 77677#(<= 2749 (+ (* 103 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 77676#(<= 2646 (+ (* 104 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 77679#(<= 2952 (+ (* 101 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 77678#(<= 2851 (+ (* 102 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 77681#(<= 3151 (+ (* 99 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 77680#(<= 3052 (+ (* 100 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 77683#(<= 3346 (+ (* 97 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 77682#(<= 3249 (+ (* 98 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 77685#(<= 3537 (+ (* 95 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 77684#(<= 3442 (+ (* 96 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 77687#(<= 3724 (+ (* 93 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 77686#(<= 3631 (+ (* 94 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 77689#(<= 3907 (+ (* 91 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 77688#(<= 3816 (+ (* 92 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 77691#(<= 4086 (+ (* 89 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 77690#(<= 3997 (+ (* 90 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 77693#(<= 4261 (+ (* 87 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 77692#(<= 4174 (+ (* 88 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 77695#(<= 4432 (+ (* 85 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 77694#(<= 4347 (+ (* 86 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 77697#(<= 4599 (+ (* 83 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 77696#(<= 4516 (+ (* 84 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 77699#(<= 4762 (+ (* 81 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 77698#(<= 4681 (+ (* 82 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 77701#(<= 4921 (+ (* 79 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 77700#(<= 4842 (+ (* 80 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 77703#(<= 5076 (+ (* 77 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 77702#(<= 4999 (+ (* 78 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 77705#(<= 5227 (+ (* 75 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 77704#(<= 5152 (+ (* 76 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 77707#(<= 5374 (+ (* 73 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 77706#(<= 5301 (+ (* 74 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 77709#(<= 5517 (+ (* 71 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 77708#(<= 5446 (+ (* 72 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 77711#(<= 5656 (+ (* 69 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 77710#(<= 5587 (+ (* 70 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 77713#(<= 5791 (+ (* 67 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 77712#(<= 5724 (+ (* 68 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 77715#(<= 5922 (+ (* 65 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 77714#(<= 5857 (+ (* 66 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 77717#(<= 6049 (+ (* 63 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 77716#(<= 5986 (+ (* 64 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 77719#(<= 6172 (+ (* 61 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 77718#(<= 6111 (+ (* 62 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 77721#(<= 6291 (+ (* 59 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 77720#(<= 6232 (+ (* 60 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 77723#(<= 6406 (+ (* 57 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 77722#(<= 6349 (+ (* 58 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 77725#(<= 6517 (+ (* 55 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 77724#(<= 6462 (+ (* 56 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 77727#(<= 6624 (+ (* 53 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 77726#(<= 6571 (+ (* 54 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 77729#(<= 6727 (+ (* 51 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 77728#(<= 6676 (+ (* 52 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 77731#(<= 6826 (+ (* 49 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 77730#(<= 6777 (+ (* 50 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 77733#(<= 6921 (+ (* 47 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 77732#(<= 6874 (+ (* 48 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 77735#(<= 7012 (+ (* 45 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 77734#(<= 6967 (+ (* 46 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 77737#(<= 7099 (+ (* 43 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 77736#(<= 7056 (+ (* 44 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 77739#(<= 7182 (+ (* 41 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 77738#(<= 7141 (+ (* 42 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 77741#(<= 7261 (+ (* 39 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 77740#(<= 7222 (+ (* 40 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 77743#(<= 7336 (+ (* 37 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 77742#(<= 7299 (+ (* 38 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 77745#(<= 7407 (+ (* 35 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 77744#(<= 7372 (+ (* 36 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 77747#(<= 7474 (+ (* 33 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 77746#(<= 7441 (+ (* 34 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 77749#(<= 7537 (+ (* 31 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 77748#(<= 7506 (+ (* 32 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 77751#(<= 7596 (+ (* 29 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 77750#(<= 7567 (+ (* 30 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 77753#(<= 7651 (+ (* 27 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 77752#(<= 7624 (+ (* 28 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 77755#(<= 7702 (+ (* 25 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 77754#(<= 7677 (+ (* 26 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 77757#(<= 7749 (+ (* 23 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 77756#(<= 7726 (+ (* 24 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 77759#(<= 7792 (+ (* 21 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 77758#(<= 7771 (+ (* 22 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 77761#(<= 7831 (+ (* 19 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 77760#(<= 7812 (+ (* 20 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 77763#(<= 7866 (+ (* 17 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 77762#(<= 7849 (+ (* 18 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 77765#(<= 7897 (+ (* 15 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 77764#(<= 7882 (+ (* 16 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 77767#(<= 7924 (+ (* 13 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 77766#(<= 7911 (+ (* 14 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 77769#(<= 7947 (+ (* 11 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 77768#(<= 7936 (+ (* 12 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 77771#(<= 7966 (+ (* 9 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 77770#(<= 7957 (+ (* 10 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 77773#(<= 7981 (+ (* 7 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 77772#(<= 7974 (+ (* 8 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 77775#(<= 7992 (+ (* 5 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 77774#(<= 7987 (+ (* 6 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 77777#(<= 7999 (+ (* 3 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 77776#(<= 7996 (+ (* 4 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 77779#(<= 8002 (+ ULTIMATE.start_main_~y~5 ULTIMATE.start_main_~x~5)), 77778#(<= 8001 (+ (* 2 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 77781#(<= (+ ULTIMATE.start_main_~y~5 8001) ULTIMATE.start_main_~x~5), 77780#(<= 8002 ULTIMATE.start_main_~x~5)] [2018-07-23 13:45:29,087 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 13:45:29,087 INFO L450 AbstractCegarLoop]: Interpolant automaton has 131 states [2018-07-23 13:45:29,087 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 131 interpolants. [2018-07-23 13:45:29,088 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=259, Invalid=16771, Unknown=0, NotChecked=0, Total=17030 [2018-07-23 13:45:29,088 INFO L87 Difference]: Start difference. First operand 261 states and 261 transitions. Second operand 131 states. [2018-07-23 13:45:31,873 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-07-23 13:45:31,873 INFO L93 Difference]: Finished difference Result 265 states and 265 transitions. [2018-07-23 13:45:31,873 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 131 states. [2018-07-23 13:45:31,873 INFO L78 Accepts]: Start accepts. Automaton has 131 states. Word has length 260 [2018-07-23 13:45:31,873 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-07-23 13:45:31,874 INFO L225 Difference]: With dead ends: 265 [2018-07-23 13:45:31,874 INFO L226 Difference]: Without dead ends: 263 [2018-07-23 13:45:31,875 INFO L575 BasicCegarLoop]: 0 DeclaredPredicates, 130 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 129 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.9s TimeCoverageRelationStatistics Valid=259, Invalid=16771, Unknown=0, NotChecked=0, Total=17030 [2018-07-23 13:45:31,875 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 263 states. [2018-07-23 13:45:31,993 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 263 to 263. [2018-07-23 13:45:31,994 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 263 states. [2018-07-23 13:45:31,994 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 263 states to 263 states and 263 transitions. [2018-07-23 13:45:31,994 INFO L78 Accepts]: Start accepts. Automaton has 263 states and 263 transitions. Word has length 260 [2018-07-23 13:45:31,994 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-07-23 13:45:31,994 INFO L471 AbstractCegarLoop]: Abstraction has 263 states and 263 transitions. [2018-07-23 13:45:31,995 INFO L472 AbstractCegarLoop]: Interpolant automaton has 131 states. [2018-07-23 13:45:31,995 INFO L276 IsEmpty]: Start isEmpty. Operand 263 states and 263 transitions. [2018-07-23 13:45:31,995 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 263 [2018-07-23 13:45:31,995 INFO L349 BasicCegarLoop]: Found error trace [2018-07-23 13:45:31,995 INFO L357 BasicCegarLoop]: trace histogram [130, 129, 1, 1, 1] [2018-07-23 13:45:31,995 INFO L414 AbstractCegarLoop]: === Iteration 130 === [ULTIMATE.startErr0AssertViolationASSERT]=== [2018-07-23 13:45:31,996 INFO L82 PathProgramCache]: Analyzing trace with hash -511186175, now seen corresponding path program 129 times [2018-07-23 13:45:31,996 INFO L69 tionRefinementEngine]: Using refinement strategy FixedRefinementStrategy [2018-07-23 13:45:32,434 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-07-23 13:45:34,009 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 13:45:34,009 INFO L309 seRefinementStrategy]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2018-07-23 13:45:34,009 INFO L324 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [131] total 131 [2018-07-23 13:45:34,009 INFO L142 lantAutomatonBuilder]: Constructing canonical interpolant automaton, with selfloop in false state [2018-07-23 13:45:34,009 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-07-23 13:45:34,010 INFO L185 omatonBuilderFactory]: Interpolants [78849#(<= 1108 (+ (* 119 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 78848#(<= 989 (+ (* 120 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 78851#(<= 1343 (+ (* 117 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 78850#(<= 1226 (+ (* 118 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 78853#(<= 1574 (+ (* 115 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 78852#(<= 1459 (+ (* 116 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 78855#(<= 1801 (+ (* 113 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 78854#(<= 1688 (+ (* 114 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 78857#(<= 2024 (+ (* 111 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 78856#(<= 1913 (+ (* 112 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 78859#(<= 2243 (+ (* 109 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 78858#(<= 2134 (+ (* 110 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 78861#(<= 2458 (+ (* 107 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 78860#(<= 2351 (+ (* 108 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 78863#(<= 2669 (+ (* 105 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 78862#(<= 2564 (+ (* 106 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 78865#(<= 2876 (+ (* 103 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 78864#(<= 2773 (+ (* 104 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 78867#(<= 3079 (+ (* 101 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 78866#(<= 2978 (+ (* 102 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 78869#(<= 3278 (+ (* 99 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 78868#(<= 3179 (+ (* 100 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 78871#(<= 3473 (+ (* 97 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 78870#(<= 3376 (+ (* 98 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 78873#(<= 3664 (+ (* 95 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 78872#(<= 3569 (+ (* 96 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 78875#(<= 3851 (+ (* 93 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 78874#(<= 3758 (+ (* 94 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 78877#(<= 4034 (+ (* 91 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 78876#(<= 3943 (+ (* 92 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 78879#(<= 4213 (+ (* 89 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 78878#(<= 4124 (+ (* 90 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 78881#(<= 4388 (+ (* 87 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 78880#(<= 4301 (+ (* 88 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 78883#(<= 4559 (+ (* 85 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 78882#(<= 4474 (+ (* 86 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 78885#(<= 4726 (+ (* 83 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 78884#(<= 4643 (+ (* 84 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 78887#(<= 4889 (+ (* 81 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 78886#(<= 4808 (+ (* 82 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 78889#(<= 5048 (+ (* 79 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 78888#(<= 4969 (+ (* 80 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 78891#(<= 5203 (+ (* 77 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 78890#(<= 5126 (+ (* 78 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 78893#(<= 5354 (+ (* 75 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 78892#(<= 5279 (+ (* 76 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 78895#(<= 5501 (+ (* 73 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 78894#(<= 5428 (+ (* 74 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 78897#(<= 5644 (+ (* 71 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 78896#(<= 5573 (+ (* 72 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 78899#(<= 5783 (+ (* 69 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 78898#(<= 5714 (+ (* 70 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 78901#(<= 5918 (+ (* 67 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 78900#(<= 5851 (+ (* 68 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 78903#(<= 6049 (+ (* 65 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 78902#(<= 5984 (+ (* 66 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 78905#(<= 6176 (+ (* 63 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 78904#(<= 6113 (+ (* 64 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 78907#(<= 6299 (+ (* 61 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 78906#(<= 6238 (+ (* 62 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 78909#(<= 6418 (+ (* 59 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 78908#(<= 6359 (+ (* 60 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 78911#(<= 6533 (+ (* 57 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 78910#(<= 6476 (+ (* 58 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 78913#(<= 6644 (+ (* 55 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 78912#(<= 6589 (+ (* 56 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 78915#(<= 6751 (+ (* 53 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 78914#(<= 6698 (+ (* 54 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 78917#(<= 6854 (+ (* 51 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 78916#(<= 6803 (+ (* 52 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 78919#(<= 6953 (+ (* 49 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 78918#(<= 6904 (+ (* 50 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 78921#(<= 7048 (+ (* 47 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 78920#(<= 7001 (+ (* 48 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 78923#(<= 7139 (+ (* 45 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 78922#(<= 7094 (+ (* 46 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 78925#(<= 7226 (+ (* 43 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 78924#(<= 7183 (+ (* 44 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 78927#(<= 7309 (+ (* 41 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 78926#(<= 7268 (+ (* 42 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 78929#(<= 7388 (+ (* 39 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 78928#(<= 7349 (+ (* 40 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 78931#(<= 7463 (+ (* 37 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 78930#(<= 7426 (+ (* 38 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 78933#(<= 7534 (+ (* 35 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 78932#(<= 7499 (+ (* 36 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 78935#(<= 7601 (+ (* 33 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 78934#(<= 7568 (+ (* 34 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 78937#(<= 7664 (+ (* 31 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 78936#(<= 7633 (+ (* 32 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 78939#(<= 7723 (+ (* 29 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 78938#(<= 7694 (+ (* 30 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 78941#(<= 7778 (+ (* 27 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 78940#(<= 7751 (+ (* 28 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 78943#(<= 7829 (+ (* 25 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 78942#(<= 7804 (+ (* 26 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 78945#(<= 7876 (+ (* 23 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 78944#(<= 7853 (+ (* 24 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 78947#(<= 7919 (+ (* 21 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 78946#(<= 7898 (+ (* 22 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 78949#(<= 7958 (+ (* 19 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 78948#(<= 7939 (+ (* 20 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 78951#(<= 7993 (+ (* 17 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 78950#(<= 7976 (+ (* 18 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 78953#(<= 8024 (+ (* 15 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 78952#(<= 8009 (+ (* 16 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 78955#(<= 8051 (+ (* 13 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 78954#(<= 8038 (+ (* 14 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 78957#(<= 8074 (+ (* 11 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 78956#(<= 8063 (+ (* 12 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 78959#(<= 8093 (+ (* 9 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 78958#(<= 8084 (+ (* 10 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 78961#(<= 8108 (+ (* 7 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 78960#(<= 8101 (+ (* 8 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 78963#(<= 8119 (+ (* 5 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 78962#(<= 8114 (+ (* 6 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 78965#(<= 8126 (+ (* 3 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 78964#(<= 8123 (+ (* 4 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 78967#(<= 8129 (+ ULTIMATE.start_main_~y~5 ULTIMATE.start_main_~x~5)), 78966#(<= 8128 (+ (* 2 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 78969#(<= (+ ULTIMATE.start_main_~y~5 8128) ULTIMATE.start_main_~x~5), 78968#(<= 8129 ULTIMATE.start_main_~x~5), 78839#false, 78838#true, 78841#(<= 128 (+ (* 127 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 78840#(<= 1 (+ (* 128 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 78843#(<= 379 (+ (* 125 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 78842#(<= 254 (+ (* 126 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 78845#(<= 626 (+ (* 123 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 78844#(<= 503 (+ (* 124 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 78847#(<= 869 (+ (* 121 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 78846#(<= 748 (+ (* 122 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5))] [2018-07-23 13:45:34,010 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 13:45:34,011 INFO L450 AbstractCegarLoop]: Interpolant automaton has 132 states [2018-07-23 13:45:34,011 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 132 interpolants. [2018-07-23 13:45:34,011 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=261, Invalid=17031, Unknown=0, NotChecked=0, Total=17292 [2018-07-23 13:45:34,011 INFO L87 Difference]: Start difference. First operand 263 states and 263 transitions. Second operand 132 states. [2018-07-23 13:45:36,810 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-07-23 13:45:36,810 INFO L93 Difference]: Finished difference Result 267 states and 267 transitions. [2018-07-23 13:45:36,810 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 132 states. [2018-07-23 13:45:36,810 INFO L78 Accepts]: Start accepts. Automaton has 132 states. Word has length 262 [2018-07-23 13:45:36,810 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-07-23 13:45:36,811 INFO L225 Difference]: With dead ends: 267 [2018-07-23 13:45:36,811 INFO L226 Difference]: Without dead ends: 265 [2018-07-23 13:45:36,812 INFO L575 BasicCegarLoop]: 0 DeclaredPredicates, 131 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 130 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 1.0s TimeCoverageRelationStatistics Valid=261, Invalid=17031, Unknown=0, NotChecked=0, Total=17292 [2018-07-23 13:45:36,812 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 265 states. [2018-07-23 13:45:36,914 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 265 to 265. [2018-07-23 13:45:36,915 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 265 states. [2018-07-23 13:45:36,915 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 265 states to 265 states and 265 transitions. [2018-07-23 13:45:36,915 INFO L78 Accepts]: Start accepts. Automaton has 265 states and 265 transitions. Word has length 262 [2018-07-23 13:45:36,915 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-07-23 13:45:36,915 INFO L471 AbstractCegarLoop]: Abstraction has 265 states and 265 transitions. [2018-07-23 13:45:36,915 INFO L472 AbstractCegarLoop]: Interpolant automaton has 132 states. [2018-07-23 13:45:36,916 INFO L276 IsEmpty]: Start isEmpty. Operand 265 states and 265 transitions. [2018-07-23 13:45:36,916 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 265 [2018-07-23 13:45:36,916 INFO L349 BasicCegarLoop]: Found error trace [2018-07-23 13:45:36,916 INFO L357 BasicCegarLoop]: trace histogram [131, 130, 1, 1, 1] [2018-07-23 13:45:36,916 INFO L414 AbstractCegarLoop]: === Iteration 131 === [ULTIMATE.startErr0AssertViolationASSERT]=== [2018-07-23 13:45:36,917 INFO L82 PathProgramCache]: Analyzing trace with hash -1623709443, now seen corresponding path program 130 times [2018-07-23 13:45:36,917 INFO L69 tionRefinementEngine]: Using refinement strategy FixedRefinementStrategy [2018-07-23 13:45:37,371 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-07-23 13:45:38,942 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 13:45:38,942 INFO L309 seRefinementStrategy]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2018-07-23 13:45:38,942 INFO L324 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [132] total 132 [2018-07-23 13:45:38,943 INFO L142 lantAutomatonBuilder]: Constructing canonical interpolant automaton, with selfloop in false state [2018-07-23 13:45:38,943 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-07-23 13:45:38,943 INFO L185 omatonBuilderFactory]: Interpolants [80129#(<= 7627 (+ (* 36 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 80128#(<= 7591 (+ (* 37 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 80131#(<= 7696 (+ (* 34 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 80130#(<= 7662 (+ (* 35 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 80133#(<= 7761 (+ (* 32 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 80132#(<= 7729 (+ (* 33 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 80135#(<= 7822 (+ (* 30 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 80134#(<= 7792 (+ (* 31 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 80137#(<= 7879 (+ (* 28 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 80136#(<= 7851 (+ (* 29 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 80139#(<= 7932 (+ (* 26 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 80138#(<= 7906 (+ (* 27 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 80141#(<= 7981 (+ (* 24 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 80140#(<= 7957 (+ (* 25 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 80143#(<= 8026 (+ (* 22 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 80142#(<= 8004 (+ (* 23 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 80145#(<= 8067 (+ (* 20 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 80144#(<= 8047 (+ (* 21 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 80147#(<= 8104 (+ (* 18 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 80146#(<= 8086 (+ (* 19 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 80149#(<= 8137 (+ (* 16 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 80148#(<= 8121 (+ (* 17 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 80151#(<= 8166 (+ (* 14 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 80150#(<= 8152 (+ (* 15 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 80153#(<= 8191 (+ (* 12 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 80152#(<= 8179 (+ (* 13 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 80155#(<= 8212 (+ (* 10 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 80154#(<= 8202 (+ (* 11 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 80157#(<= 8229 (+ (* 8 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 80156#(<= 8221 (+ (* 9 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 80159#(<= 8242 (+ (* 6 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 80158#(<= 8236 (+ (* 7 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 80161#(<= 8251 (+ (* 4 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 80160#(<= 8247 (+ (* 5 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 80163#(<= 8256 (+ (* 2 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 80162#(<= 8254 (+ (* 3 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 80165#(<= 8257 ULTIMATE.start_main_~x~5), 80164#(<= 8257 (+ ULTIMATE.start_main_~y~5 ULTIMATE.start_main_~x~5)), 80166#(<= (+ ULTIMATE.start_main_~y~5 8256) ULTIMATE.start_main_~x~5), 80035#false, 80034#true, 80037#(<= 129 (+ (* 128 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 80036#(<= 1 (+ (* 129 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 80039#(<= 382 (+ (* 126 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 80038#(<= 256 (+ (* 127 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 80041#(<= 631 (+ (* 124 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 80040#(<= 507 (+ (* 125 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 80043#(<= 876 (+ (* 122 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 80042#(<= 754 (+ (* 123 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 80045#(<= 1117 (+ (* 120 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 80044#(<= 997 (+ (* 121 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 80047#(<= 1354 (+ (* 118 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 80046#(<= 1236 (+ (* 119 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 80049#(<= 1587 (+ (* 116 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 80048#(<= 1471 (+ (* 117 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 80051#(<= 1816 (+ (* 114 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 80050#(<= 1702 (+ (* 115 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 80053#(<= 2041 (+ (* 112 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 80052#(<= 1929 (+ (* 113 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 80055#(<= 2262 (+ (* 110 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 80054#(<= 2152 (+ (* 111 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 80057#(<= 2479 (+ (* 108 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 80056#(<= 2371 (+ (* 109 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 80059#(<= 2692 (+ (* 106 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 80058#(<= 2586 (+ (* 107 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 80061#(<= 2901 (+ (* 104 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 80060#(<= 2797 (+ (* 105 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 80063#(<= 3106 (+ (* 102 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 80062#(<= 3004 (+ (* 103 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 80065#(<= 3307 (+ (* 100 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 80064#(<= 3207 (+ (* 101 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 80067#(<= 3504 (+ (* 98 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 80066#(<= 3406 (+ (* 99 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 80069#(<= 3697 (+ (* 96 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 80068#(<= 3601 (+ (* 97 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 80071#(<= 3886 (+ (* 94 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 80070#(<= 3792 (+ (* 95 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 80073#(<= 4071 (+ (* 92 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 80072#(<= 3979 (+ (* 93 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 80075#(<= 4252 (+ (* 90 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 80074#(<= 4162 (+ (* 91 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 80077#(<= 4429 (+ (* 88 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 80076#(<= 4341 (+ (* 89 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 80079#(<= 4602 (+ (* 86 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 80078#(<= 4516 (+ (* 87 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 80081#(<= 4771 (+ (* 84 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 80080#(<= 4687 (+ (* 85 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 80083#(<= 4936 (+ (* 82 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 80082#(<= 4854 (+ (* 83 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 80085#(<= 5097 (+ (* 80 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 80084#(<= 5017 (+ (* 81 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 80087#(<= 5254 (+ (* 78 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 80086#(<= 5176 (+ (* 79 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 80089#(<= 5407 (+ (* 76 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 80088#(<= 5331 (+ (* 77 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 80091#(<= 5556 (+ (* 74 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 80090#(<= 5482 (+ (* 75 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 80093#(<= 5701 (+ (* 72 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 80092#(<= 5629 (+ (* 73 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 80095#(<= 5842 (+ (* 70 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 80094#(<= 5772 (+ (* 71 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 80097#(<= 5979 (+ (* 68 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 80096#(<= 5911 (+ (* 69 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 80099#(<= 6112 (+ (* 66 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 80098#(<= 6046 (+ (* 67 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 80101#(<= 6241 (+ (* 64 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 80100#(<= 6177 (+ (* 65 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 80103#(<= 6366 (+ (* 62 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 80102#(<= 6304 (+ (* 63 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 80105#(<= 6487 (+ (* 60 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 80104#(<= 6427 (+ (* 61 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 80107#(<= 6604 (+ (* 58 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 80106#(<= 6546 (+ (* 59 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 80109#(<= 6717 (+ (* 56 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 80108#(<= 6661 (+ (* 57 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 80111#(<= 6826 (+ (* 54 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 80110#(<= 6772 (+ (* 55 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 80113#(<= 6931 (+ (* 52 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 80112#(<= 6879 (+ (* 53 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 80115#(<= 7032 (+ (* 50 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 80114#(<= 6982 (+ (* 51 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 80117#(<= 7129 (+ (* 48 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 80116#(<= 7081 (+ (* 49 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 80119#(<= 7222 (+ (* 46 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 80118#(<= 7176 (+ (* 47 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 80121#(<= 7311 (+ (* 44 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 80120#(<= 7267 (+ (* 45 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 80123#(<= 7396 (+ (* 42 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 80122#(<= 7354 (+ (* 43 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 80125#(<= 7477 (+ (* 40 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 80124#(<= 7437 (+ (* 41 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 80127#(<= 7554 (+ (* 38 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 80126#(<= 7516 (+ (* 39 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5))] [2018-07-23 13:45:38,944 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 13:45:38,944 INFO L450 AbstractCegarLoop]: Interpolant automaton has 133 states [2018-07-23 13:45:38,944 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 133 interpolants. [2018-07-23 13:45:38,945 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=263, Invalid=17293, Unknown=0, NotChecked=0, Total=17556 [2018-07-23 13:45:38,945 INFO L87 Difference]: Start difference. First operand 265 states and 265 transitions. Second operand 133 states. [2018-07-23 13:45:41,638 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-07-23 13:45:41,638 INFO L93 Difference]: Finished difference Result 269 states and 269 transitions. [2018-07-23 13:45:41,638 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 133 states. [2018-07-23 13:45:41,638 INFO L78 Accepts]: Start accepts. Automaton has 133 states. Word has length 264 [2018-07-23 13:45:41,639 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-07-23 13:45:41,639 INFO L225 Difference]: With dead ends: 269 [2018-07-23 13:45:41,639 INFO L226 Difference]: Without dead ends: 267 [2018-07-23 13:45:41,641 INFO L575 BasicCegarLoop]: 0 DeclaredPredicates, 132 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 131 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 1.0s TimeCoverageRelationStatistics Valid=263, Invalid=17293, Unknown=0, NotChecked=0, Total=17556 [2018-07-23 13:45:41,641 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 267 states. [2018-07-23 13:45:41,753 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 267 to 267. [2018-07-23 13:45:41,753 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 267 states. [2018-07-23 13:45:41,754 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 267 states to 267 states and 267 transitions. [2018-07-23 13:45:41,754 INFO L78 Accepts]: Start accepts. Automaton has 267 states and 267 transitions. Word has length 264 [2018-07-23 13:45:41,754 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-07-23 13:45:41,754 INFO L471 AbstractCegarLoop]: Abstraction has 267 states and 267 transitions. [2018-07-23 13:45:41,754 INFO L472 AbstractCegarLoop]: Interpolant automaton has 133 states. [2018-07-23 13:45:41,754 INFO L276 IsEmpty]: Start isEmpty. Operand 267 states and 267 transitions. [2018-07-23 13:45:41,755 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 267 [2018-07-23 13:45:41,755 INFO L349 BasicCegarLoop]: Found error trace [2018-07-23 13:45:41,755 INFO L357 BasicCegarLoop]: trace histogram [132, 131, 1, 1, 1] [2018-07-23 13:45:41,755 INFO L414 AbstractCegarLoop]: === Iteration 132 === [ULTIMATE.startErr0AssertViolationASSERT]=== [2018-07-23 13:45:41,755 INFO L82 PathProgramCache]: Analyzing trace with hash -1311713287, now seen corresponding path program 131 times [2018-07-23 13:45:41,755 INFO L69 tionRefinementEngine]: Using refinement strategy FixedRefinementStrategy [2018-07-23 13:45:42,201 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-07-23 13:45:43,668 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 13:45:43,668 INFO L309 seRefinementStrategy]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2018-07-23 13:45:43,668 INFO L324 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [133] total 133 [2018-07-23 13:45:43,668 INFO L142 lantAutomatonBuilder]: Constructing canonical interpolant automaton, with selfloop in false state [2018-07-23 13:45:43,669 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-07-23 13:45:43,669 INFO L185 omatonBuilderFactory]: Interpolants [81239#true, 81241#(<= 1 (+ (* 130 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 81240#false, 81243#(<= 258 (+ (* 128 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 81242#(<= 130 (+ (* 129 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 81245#(<= 511 (+ (* 126 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 81244#(<= 385 (+ (* 127 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 81247#(<= 760 (+ (* 124 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 81246#(<= 636 (+ (* 125 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 81249#(<= 1005 (+ (* 122 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 81248#(<= 883 (+ (* 123 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 81251#(<= 1246 (+ (* 120 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 81250#(<= 1126 (+ (* 121 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 81253#(<= 1483 (+ (* 118 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 81252#(<= 1365 (+ (* 119 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 81255#(<= 1716 (+ (* 116 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 81254#(<= 1600 (+ (* 117 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 81257#(<= 1945 (+ (* 114 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 81256#(<= 1831 (+ (* 115 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 81259#(<= 2170 (+ (* 112 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 81258#(<= 2058 (+ (* 113 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 81261#(<= 2391 (+ (* 110 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 81260#(<= 2281 (+ (* 111 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 81263#(<= 2608 (+ (* 108 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 81262#(<= 2500 (+ (* 109 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 81265#(<= 2821 (+ (* 106 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 81264#(<= 2715 (+ (* 107 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 81267#(<= 3030 (+ (* 104 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 81266#(<= 2926 (+ (* 105 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 81269#(<= 3235 (+ (* 102 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 81268#(<= 3133 (+ (* 103 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 81271#(<= 3436 (+ (* 100 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 81270#(<= 3336 (+ (* 101 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 81273#(<= 3633 (+ (* 98 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 81272#(<= 3535 (+ (* 99 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 81275#(<= 3826 (+ (* 96 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 81274#(<= 3730 (+ (* 97 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 81277#(<= 4015 (+ (* 94 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 81276#(<= 3921 (+ (* 95 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 81279#(<= 4200 (+ (* 92 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 81278#(<= 4108 (+ (* 93 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 81281#(<= 4381 (+ (* 90 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 81280#(<= 4291 (+ (* 91 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 81283#(<= 4558 (+ (* 88 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 81282#(<= 4470 (+ (* 89 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 81285#(<= 4731 (+ (* 86 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 81284#(<= 4645 (+ (* 87 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 81287#(<= 4900 (+ (* 84 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 81286#(<= 4816 (+ (* 85 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 81289#(<= 5065 (+ (* 82 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 81288#(<= 4983 (+ (* 83 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 81291#(<= 5226 (+ (* 80 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 81290#(<= 5146 (+ (* 81 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 81293#(<= 5383 (+ (* 78 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 81292#(<= 5305 (+ (* 79 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 81295#(<= 5536 (+ (* 76 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 81294#(<= 5460 (+ (* 77 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 81297#(<= 5685 (+ (* 74 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 81296#(<= 5611 (+ (* 75 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 81299#(<= 5830 (+ (* 72 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 81298#(<= 5758 (+ (* 73 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 81301#(<= 5971 (+ (* 70 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 81300#(<= 5901 (+ (* 71 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 81303#(<= 6108 (+ (* 68 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 81302#(<= 6040 (+ (* 69 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 81305#(<= 6241 (+ (* 66 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 81304#(<= 6175 (+ (* 67 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 81307#(<= 6370 (+ (* 64 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 81306#(<= 6306 (+ (* 65 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 81309#(<= 6495 (+ (* 62 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 81308#(<= 6433 (+ (* 63 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 81311#(<= 6616 (+ (* 60 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 81310#(<= 6556 (+ (* 61 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 81313#(<= 6733 (+ (* 58 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 81312#(<= 6675 (+ (* 59 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 81315#(<= 6846 (+ (* 56 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 81314#(<= 6790 (+ (* 57 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 81317#(<= 6955 (+ (* 54 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 81316#(<= 6901 (+ (* 55 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 81319#(<= 7060 (+ (* 52 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 81318#(<= 7008 (+ (* 53 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 81321#(<= 7161 (+ (* 50 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 81320#(<= 7111 (+ (* 51 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 81323#(<= 7258 (+ (* 48 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 81322#(<= 7210 (+ (* 49 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 81325#(<= 7351 (+ (* 46 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 81324#(<= 7305 (+ (* 47 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 81327#(<= 7440 (+ (* 44 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 81326#(<= 7396 (+ (* 45 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 81329#(<= 7525 (+ (* 42 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 81328#(<= 7483 (+ (* 43 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 81331#(<= 7606 (+ (* 40 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 81330#(<= 7566 (+ (* 41 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 81333#(<= 7683 (+ (* 38 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 81332#(<= 7645 (+ (* 39 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 81335#(<= 7756 (+ (* 36 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 81334#(<= 7720 (+ (* 37 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 81337#(<= 7825 (+ (* 34 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 81336#(<= 7791 (+ (* 35 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 81339#(<= 7890 (+ (* 32 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 81338#(<= 7858 (+ (* 33 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 81341#(<= 7951 (+ (* 30 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 81340#(<= 7921 (+ (* 31 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 81343#(<= 8008 (+ (* 28 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 81342#(<= 7980 (+ (* 29 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 81345#(<= 8061 (+ (* 26 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 81344#(<= 8035 (+ (* 27 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 81347#(<= 8110 (+ (* 24 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 81346#(<= 8086 (+ (* 25 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 81349#(<= 8155 (+ (* 22 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 81348#(<= 8133 (+ (* 23 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 81351#(<= 8196 (+ (* 20 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 81350#(<= 8176 (+ (* 21 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 81353#(<= 8233 (+ (* 18 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 81352#(<= 8215 (+ (* 19 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 81355#(<= 8266 (+ (* 16 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 81354#(<= 8250 (+ (* 17 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 81357#(<= 8295 (+ (* 14 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 81356#(<= 8281 (+ (* 15 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 81359#(<= 8320 (+ (* 12 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 81358#(<= 8308 (+ (* 13 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 81361#(<= 8341 (+ (* 10 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 81360#(<= 8331 (+ (* 11 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 81363#(<= 8358 (+ (* 8 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 81362#(<= 8350 (+ (* 9 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 81365#(<= 8371 (+ (* 6 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 81364#(<= 8365 (+ (* 7 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 81367#(<= 8380 (+ (* 4 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 81366#(<= 8376 (+ (* 5 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 81369#(<= 8385 (+ (* 2 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 81368#(<= 8383 (+ (* 3 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 81371#(<= 8386 ULTIMATE.start_main_~x~5), 81370#(<= 8386 (+ ULTIMATE.start_main_~y~5 ULTIMATE.start_main_~x~5)), 81372#(<= (+ ULTIMATE.start_main_~y~5 8385) ULTIMATE.start_main_~x~5)] [2018-07-23 13:45:43,670 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 13:45:43,670 INFO L450 AbstractCegarLoop]: Interpolant automaton has 134 states [2018-07-23 13:45:43,670 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 134 interpolants. [2018-07-23 13:45:43,671 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=265, Invalid=17557, Unknown=0, NotChecked=0, Total=17822 [2018-07-23 13:45:43,671 INFO L87 Difference]: Start difference. First operand 267 states and 267 transitions. Second operand 134 states. [2018-07-23 13:45:46,689 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-07-23 13:45:46,689 INFO L93 Difference]: Finished difference Result 271 states and 271 transitions. [2018-07-23 13:45:46,689 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 134 states. [2018-07-23 13:45:46,689 INFO L78 Accepts]: Start accepts. Automaton has 134 states. Word has length 266 [2018-07-23 13:45:46,690 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-07-23 13:45:46,690 INFO L225 Difference]: With dead ends: 271 [2018-07-23 13:45:46,690 INFO L226 Difference]: Without dead ends: 269 [2018-07-23 13:45:46,691 INFO L575 BasicCegarLoop]: 0 DeclaredPredicates, 133 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 132 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 1.0s TimeCoverageRelationStatistics Valid=265, Invalid=17557, Unknown=0, NotChecked=0, Total=17822 [2018-07-23 13:45:46,691 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 269 states. [2018-07-23 13:45:46,809 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 269 to 269. [2018-07-23 13:45:46,809 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 269 states. [2018-07-23 13:45:46,809 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 269 states to 269 states and 269 transitions. [2018-07-23 13:45:46,809 INFO L78 Accepts]: Start accepts. Automaton has 269 states and 269 transitions. Word has length 266 [2018-07-23 13:45:46,810 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-07-23 13:45:46,810 INFO L471 AbstractCegarLoop]: Abstraction has 269 states and 269 transitions. [2018-07-23 13:45:46,810 INFO L472 AbstractCegarLoop]: Interpolant automaton has 134 states. [2018-07-23 13:45:46,810 INFO L276 IsEmpty]: Start isEmpty. Operand 269 states and 269 transitions. [2018-07-23 13:45:46,810 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 269 [2018-07-23 13:45:46,811 INFO L349 BasicCegarLoop]: Found error trace [2018-07-23 13:45:46,811 INFO L357 BasicCegarLoop]: trace histogram [133, 132, 1, 1, 1] [2018-07-23 13:45:46,811 INFO L414 AbstractCegarLoop]: === Iteration 133 === [ULTIMATE.startErr0AssertViolationASSERT]=== [2018-07-23 13:45:46,811 INFO L82 PathProgramCache]: Analyzing trace with hash -2131118091, now seen corresponding path program 132 times [2018-07-23 13:45:46,811 INFO L69 tionRefinementEngine]: Using refinement strategy FixedRefinementStrategy [2018-07-23 13:45:47,287 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-07-23 13:45:48,899 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 13:45:48,899 INFO L309 seRefinementStrategy]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2018-07-23 13:45:48,899 INFO L324 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [134] total 134 [2018-07-23 13:45:48,900 INFO L142 lantAutomatonBuilder]: Constructing canonical interpolant automaton, with selfloop in false state [2018-07-23 13:45:48,900 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 13:45:48,900 INFO L185 omatonBuilderFactory]: Interpolants [82453#true, 82455#(<= 1 (+ (* 131 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 82454#false, 82457#(<= 260 (+ (* 129 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 82456#(<= 131 (+ (* 130 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 82459#(<= 515 (+ (* 127 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 82458#(<= 388 (+ (* 128 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 82461#(<= 766 (+ (* 125 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 82460#(<= 641 (+ (* 126 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 82463#(<= 1013 (+ (* 123 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 82462#(<= 890 (+ (* 124 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 82465#(<= 1256 (+ (* 121 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 82464#(<= 1135 (+ (* 122 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 82467#(<= 1495 (+ (* 119 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 82466#(<= 1376 (+ (* 120 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 82469#(<= 1730 (+ (* 117 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 82468#(<= 1613 (+ (* 118 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 82471#(<= 1961 (+ (* 115 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 82470#(<= 1846 (+ (* 116 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 82473#(<= 2188 (+ (* 113 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 82472#(<= 2075 (+ (* 114 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 82475#(<= 2411 (+ (* 111 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 82474#(<= 2300 (+ (* 112 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 82477#(<= 2630 (+ (* 109 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 82476#(<= 2521 (+ (* 110 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 82479#(<= 2845 (+ (* 107 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 82478#(<= 2738 (+ (* 108 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 82481#(<= 3056 (+ (* 105 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 82480#(<= 2951 (+ (* 106 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 82483#(<= 3263 (+ (* 103 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 82482#(<= 3160 (+ (* 104 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 82485#(<= 3466 (+ (* 101 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 82484#(<= 3365 (+ (* 102 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 82487#(<= 3665 (+ (* 99 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 82486#(<= 3566 (+ (* 100 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 82489#(<= 3860 (+ (* 97 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 82488#(<= 3763 (+ (* 98 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 82491#(<= 4051 (+ (* 95 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 82490#(<= 3956 (+ (* 96 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 82493#(<= 4238 (+ (* 93 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 82492#(<= 4145 (+ (* 94 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 82495#(<= 4421 (+ (* 91 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 82494#(<= 4330 (+ (* 92 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 82497#(<= 4600 (+ (* 89 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 82496#(<= 4511 (+ (* 90 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 82499#(<= 4775 (+ (* 87 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 82498#(<= 4688 (+ (* 88 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 82501#(<= 4946 (+ (* 85 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 82500#(<= 4861 (+ (* 86 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 82503#(<= 5113 (+ (* 83 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 82502#(<= 5030 (+ (* 84 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 82505#(<= 5276 (+ (* 81 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 82504#(<= 5195 (+ (* 82 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 82507#(<= 5435 (+ (* 79 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 82506#(<= 5356 (+ (* 80 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 82509#(<= 5590 (+ (* 77 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 82508#(<= 5513 (+ (* 78 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 82511#(<= 5741 (+ (* 75 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 82510#(<= 5666 (+ (* 76 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 82513#(<= 5888 (+ (* 73 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 82512#(<= 5815 (+ (* 74 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 82515#(<= 6031 (+ (* 71 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 82514#(<= 5960 (+ (* 72 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 82517#(<= 6170 (+ (* 69 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 82516#(<= 6101 (+ (* 70 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 82519#(<= 6305 (+ (* 67 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 82518#(<= 6238 (+ (* 68 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 82521#(<= 6436 (+ (* 65 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 82520#(<= 6371 (+ (* 66 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 82523#(<= 6563 (+ (* 63 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 82522#(<= 6500 (+ (* 64 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 82525#(<= 6686 (+ (* 61 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 82524#(<= 6625 (+ (* 62 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 82527#(<= 6805 (+ (* 59 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 82526#(<= 6746 (+ (* 60 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 82529#(<= 6920 (+ (* 57 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 82528#(<= 6863 (+ (* 58 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 82531#(<= 7031 (+ (* 55 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 82530#(<= 6976 (+ (* 56 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 82533#(<= 7138 (+ (* 53 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 82532#(<= 7085 (+ (* 54 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 82535#(<= 7241 (+ (* 51 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 82534#(<= 7190 (+ (* 52 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 82537#(<= 7340 (+ (* 49 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 82536#(<= 7291 (+ (* 50 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 82539#(<= 7435 (+ (* 47 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 82538#(<= 7388 (+ (* 48 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 82541#(<= 7526 (+ (* 45 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 82540#(<= 7481 (+ (* 46 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 82543#(<= 7613 (+ (* 43 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 82542#(<= 7570 (+ (* 44 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 82545#(<= 7696 (+ (* 41 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 82544#(<= 7655 (+ (* 42 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 82547#(<= 7775 (+ (* 39 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 82546#(<= 7736 (+ (* 40 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 82549#(<= 7850 (+ (* 37 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 82548#(<= 7813 (+ (* 38 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 82551#(<= 7921 (+ (* 35 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 82550#(<= 7886 (+ (* 36 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 82553#(<= 7988 (+ (* 33 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 82552#(<= 7955 (+ (* 34 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 82555#(<= 8051 (+ (* 31 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 82554#(<= 8020 (+ (* 32 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 82557#(<= 8110 (+ (* 29 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 82556#(<= 8081 (+ (* 30 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 82559#(<= 8165 (+ (* 27 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 82558#(<= 8138 (+ (* 28 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 82561#(<= 8216 (+ (* 25 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 82560#(<= 8191 (+ (* 26 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 82563#(<= 8263 (+ (* 23 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 82562#(<= 8240 (+ (* 24 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 82565#(<= 8306 (+ (* 21 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 82564#(<= 8285 (+ (* 22 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 82567#(<= 8345 (+ (* 19 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 82566#(<= 8326 (+ (* 20 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 82569#(<= 8380 (+ (* 17 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 82568#(<= 8363 (+ (* 18 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 82571#(<= 8411 (+ (* 15 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 82570#(<= 8396 (+ (* 16 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 82573#(<= 8438 (+ (* 13 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 82572#(<= 8425 (+ (* 14 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 82575#(<= 8461 (+ (* 11 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 82574#(<= 8450 (+ (* 12 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 82577#(<= 8480 (+ (* 9 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 82576#(<= 8471 (+ (* 10 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 82579#(<= 8495 (+ (* 7 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 82578#(<= 8488 (+ (* 8 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 82581#(<= 8506 (+ (* 5 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 82580#(<= 8501 (+ (* 6 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 82583#(<= 8513 (+ (* 3 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 82582#(<= 8510 (+ (* 4 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 82585#(<= 8516 (+ ULTIMATE.start_main_~y~5 ULTIMATE.start_main_~x~5)), 82584#(<= 8515 (+ (* 2 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 82587#(<= (+ ULTIMATE.start_main_~y~5 8515) ULTIMATE.start_main_~x~5), 82586#(<= 8516 ULTIMATE.start_main_~x~5)] [2018-07-23 13:45:48,901 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 13:45:48,901 INFO L450 AbstractCegarLoop]: Interpolant automaton has 135 states [2018-07-23 13:45:48,902 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 135 interpolants. [2018-07-23 13:45:48,902 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=267, Invalid=17823, Unknown=0, NotChecked=0, Total=18090 [2018-07-23 13:45:48,903 INFO L87 Difference]: Start difference. First operand 269 states and 269 transitions. Second operand 135 states. [2018-07-23 13:45:51,927 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-07-23 13:45:51,927 INFO L93 Difference]: Finished difference Result 273 states and 273 transitions. [2018-07-23 13:45:51,928 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 135 states. [2018-07-23 13:45:51,928 INFO L78 Accepts]: Start accepts. Automaton has 135 states. Word has length 268 [2018-07-23 13:45:51,928 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-07-23 13:45:51,929 INFO L225 Difference]: With dead ends: 273 [2018-07-23 13:45:51,929 INFO L226 Difference]: Without dead ends: 271 [2018-07-23 13:45:51,930 INFO L575 BasicCegarLoop]: 0 DeclaredPredicates, 134 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 133 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 1.0s TimeCoverageRelationStatistics Valid=267, Invalid=17823, Unknown=0, NotChecked=0, Total=18090 [2018-07-23 13:45:51,930 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 271 states. [2018-07-23 13:45:52,054 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 271 to 271. [2018-07-23 13:45:52,054 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 271 states. [2018-07-23 13:45:52,055 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 271 states to 271 states and 271 transitions. [2018-07-23 13:45:52,055 INFO L78 Accepts]: Start accepts. Automaton has 271 states and 271 transitions. Word has length 268 [2018-07-23 13:45:52,055 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-07-23 13:45:52,055 INFO L471 AbstractCegarLoop]: Abstraction has 271 states and 271 transitions. [2018-07-23 13:45:52,055 INFO L472 AbstractCegarLoop]: Interpolant automaton has 135 states. [2018-07-23 13:45:52,055 INFO L276 IsEmpty]: Start isEmpty. Operand 271 states and 271 transitions. [2018-07-23 13:45:52,056 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 271 [2018-07-23 13:45:52,056 INFO L349 BasicCegarLoop]: Found error trace [2018-07-23 13:45:52,056 INFO L357 BasicCegarLoop]: trace histogram [134, 133, 1, 1, 1] [2018-07-23 13:45:52,056 INFO L414 AbstractCegarLoop]: === Iteration 134 === [ULTIMATE.startErr0AssertViolationASSERT]=== [2018-07-23 13:45:52,056 INFO L82 PathProgramCache]: Analyzing trace with hash 694847729, now seen corresponding path program 133 times [2018-07-23 13:45:52,056 INFO L69 tionRefinementEngine]: Using refinement strategy FixedRefinementStrategy [2018-07-23 13:45:52,538 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-07-23 13:45:54,216 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 13:45:54,216 INFO L309 seRefinementStrategy]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2018-07-23 13:45:54,216 INFO L324 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [135] total 135 [2018-07-23 13:45:54,216 INFO L142 lantAutomatonBuilder]: Constructing canonical interpolant automaton, with selfloop in false state [2018-07-23 13:45:54,217 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-07-23 13:45:54,217 INFO L185 omatonBuilderFactory]: Interpolants [83713#(<= 3991 (+ (* 97 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 83712#(<= 3894 (+ (* 98 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 83715#(<= 4182 (+ (* 95 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 83714#(<= 4087 (+ (* 96 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 83717#(<= 4369 (+ (* 93 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 83716#(<= 4276 (+ (* 94 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 83719#(<= 4552 (+ (* 91 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 83718#(<= 4461 (+ (* 92 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 83721#(<= 4731 (+ (* 89 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 83720#(<= 4642 (+ (* 90 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 83723#(<= 4906 (+ (* 87 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 83722#(<= 4819 (+ (* 88 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 83725#(<= 5077 (+ (* 85 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 83724#(<= 4992 (+ (* 86 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 83727#(<= 5244 (+ (* 83 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 83726#(<= 5161 (+ (* 84 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 83729#(<= 5407 (+ (* 81 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 83728#(<= 5326 (+ (* 82 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 83731#(<= 5566 (+ (* 79 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 83730#(<= 5487 (+ (* 80 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 83733#(<= 5721 (+ (* 77 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 83732#(<= 5644 (+ (* 78 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 83735#(<= 5872 (+ (* 75 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 83734#(<= 5797 (+ (* 76 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 83737#(<= 6019 (+ (* 73 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 83736#(<= 5946 (+ (* 74 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 83739#(<= 6162 (+ (* 71 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 83738#(<= 6091 (+ (* 72 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 83741#(<= 6301 (+ (* 69 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 83740#(<= 6232 (+ (* 70 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 83743#(<= 6436 (+ (* 67 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 83742#(<= 6369 (+ (* 68 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 83745#(<= 6567 (+ (* 65 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 83744#(<= 6502 (+ (* 66 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 83747#(<= 6694 (+ (* 63 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 83746#(<= 6631 (+ (* 64 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 83749#(<= 6817 (+ (* 61 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 83748#(<= 6756 (+ (* 62 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 83751#(<= 6936 (+ (* 59 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 83750#(<= 6877 (+ (* 60 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 83753#(<= 7051 (+ (* 57 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 83752#(<= 6994 (+ (* 58 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 83755#(<= 7162 (+ (* 55 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 83754#(<= 7107 (+ (* 56 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 83757#(<= 7269 (+ (* 53 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 83756#(<= 7216 (+ (* 54 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 83759#(<= 7372 (+ (* 51 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 83758#(<= 7321 (+ (* 52 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 83761#(<= 7471 (+ (* 49 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 83760#(<= 7422 (+ (* 50 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 83763#(<= 7566 (+ (* 47 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 83762#(<= 7519 (+ (* 48 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 83765#(<= 7657 (+ (* 45 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 83764#(<= 7612 (+ (* 46 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 83767#(<= 7744 (+ (* 43 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 83766#(<= 7701 (+ (* 44 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 83769#(<= 7827 (+ (* 41 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 83768#(<= 7786 (+ (* 42 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 83771#(<= 7906 (+ (* 39 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 83770#(<= 7867 (+ (* 40 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 83773#(<= 7981 (+ (* 37 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 83772#(<= 7944 (+ (* 38 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 83775#(<= 8052 (+ (* 35 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 83774#(<= 8017 (+ (* 36 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 83777#(<= 8119 (+ (* 33 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 83776#(<= 8086 (+ (* 34 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 83779#(<= 8182 (+ (* 31 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 83778#(<= 8151 (+ (* 32 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 83781#(<= 8241 (+ (* 29 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 83780#(<= 8212 (+ (* 30 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 83783#(<= 8296 (+ (* 27 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 83782#(<= 8269 (+ (* 28 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 83785#(<= 8347 (+ (* 25 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 83784#(<= 8322 (+ (* 26 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 83787#(<= 8394 (+ (* 23 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 83786#(<= 8371 (+ (* 24 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 83789#(<= 8437 (+ (* 21 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 83788#(<= 8416 (+ (* 22 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 83791#(<= 8476 (+ (* 19 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 83790#(<= 8457 (+ (* 20 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 83793#(<= 8511 (+ (* 17 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 83792#(<= 8494 (+ (* 18 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 83795#(<= 8542 (+ (* 15 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 83794#(<= 8527 (+ (* 16 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 83797#(<= 8569 (+ (* 13 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 83796#(<= 8556 (+ (* 14 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 83799#(<= 8592 (+ (* 11 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 83798#(<= 8581 (+ (* 12 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 83801#(<= 8611 (+ (* 9 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 83800#(<= 8602 (+ (* 10 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 83803#(<= 8626 (+ (* 7 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 83802#(<= 8619 (+ (* 8 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 83805#(<= 8637 (+ (* 5 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 83804#(<= 8632 (+ (* 6 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 83807#(<= 8644 (+ (* 3 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 83806#(<= 8641 (+ (* 4 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 83809#(<= 8647 (+ ULTIMATE.start_main_~y~5 ULTIMATE.start_main_~x~5)), 83808#(<= 8646 (+ (* 2 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 83811#(<= (+ ULTIMATE.start_main_~y~5 8646) ULTIMATE.start_main_~x~5), 83810#(<= 8647 ULTIMATE.start_main_~x~5), 83677#false, 83676#true, 83679#(<= 132 (+ (* 131 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 83678#(<= 1 (+ (* 132 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 83681#(<= 391 (+ (* 129 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 83680#(<= 262 (+ (* 130 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 83683#(<= 646 (+ (* 127 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 83682#(<= 519 (+ (* 128 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 83685#(<= 897 (+ (* 125 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 83684#(<= 772 (+ (* 126 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 83687#(<= 1144 (+ (* 123 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 83686#(<= 1021 (+ (* 124 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 83689#(<= 1387 (+ (* 121 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 83688#(<= 1266 (+ (* 122 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 83691#(<= 1626 (+ (* 119 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 83690#(<= 1507 (+ (* 120 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 83693#(<= 1861 (+ (* 117 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 83692#(<= 1744 (+ (* 118 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 83695#(<= 2092 (+ (* 115 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 83694#(<= 1977 (+ (* 116 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 83697#(<= 2319 (+ (* 113 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 83696#(<= 2206 (+ (* 114 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 83699#(<= 2542 (+ (* 111 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 83698#(<= 2431 (+ (* 112 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 83701#(<= 2761 (+ (* 109 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 83700#(<= 2652 (+ (* 110 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 83703#(<= 2976 (+ (* 107 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 83702#(<= 2869 (+ (* 108 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 83705#(<= 3187 (+ (* 105 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 83704#(<= 3082 (+ (* 106 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 83707#(<= 3394 (+ (* 103 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 83706#(<= 3291 (+ (* 104 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 83709#(<= 3597 (+ (* 101 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 83708#(<= 3496 (+ (* 102 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 83711#(<= 3796 (+ (* 99 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 83710#(<= 3697 (+ (* 100 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5))] [2018-07-23 13:45:54,218 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 13:45:54,218 INFO L450 AbstractCegarLoop]: Interpolant automaton has 136 states [2018-07-23 13:45:54,218 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 136 interpolants. [2018-07-23 13:45:54,219 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=269, Invalid=18091, Unknown=0, NotChecked=0, Total=18360 [2018-07-23 13:45:54,219 INFO L87 Difference]: Start difference. First operand 271 states and 271 transitions. Second operand 136 states. [2018-07-23 13:45:57,054 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-07-23 13:45:57,054 INFO L93 Difference]: Finished difference Result 275 states and 275 transitions. [2018-07-23 13:45:57,054 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 136 states. [2018-07-23 13:45:57,054 INFO L78 Accepts]: Start accepts. Automaton has 136 states. Word has length 270 [2018-07-23 13:45:57,054 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-07-23 13:45:57,055 INFO L225 Difference]: With dead ends: 275 [2018-07-23 13:45:57,055 INFO L226 Difference]: Without dead ends: 273 [2018-07-23 13:45:57,056 INFO L575 BasicCegarLoop]: 0 DeclaredPredicates, 135 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 134 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 1.1s TimeCoverageRelationStatistics Valid=269, Invalid=18091, Unknown=0, NotChecked=0, Total=18360 [2018-07-23 13:45:57,056 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 273 states. [2018-07-23 13:45:57,178 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 273 to 273. [2018-07-23 13:45:57,178 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 273 states. [2018-07-23 13:45:57,178 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 273 states to 273 states and 273 transitions. [2018-07-23 13:45:57,178 INFO L78 Accepts]: Start accepts. Automaton has 273 states and 273 transitions. Word has length 270 [2018-07-23 13:45:57,178 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-07-23 13:45:57,179 INFO L471 AbstractCegarLoop]: Abstraction has 273 states and 273 transitions. [2018-07-23 13:45:57,179 INFO L472 AbstractCegarLoop]: Interpolant automaton has 136 states. [2018-07-23 13:45:57,179 INFO L276 IsEmpty]: Start isEmpty. Operand 273 states and 273 transitions. [2018-07-23 13:45:57,179 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 273 [2018-07-23 13:45:57,179 INFO L349 BasicCegarLoop]: Found error trace [2018-07-23 13:45:57,180 INFO L357 BasicCegarLoop]: trace histogram [135, 134, 1, 1, 1] [2018-07-23 13:45:57,180 INFO L414 AbstractCegarLoop]: === Iteration 135 === [ULTIMATE.startErr0AssertViolationASSERT]=== [2018-07-23 13:45:57,180 INFO L82 PathProgramCache]: Analyzing trace with hash 2028669677, now seen corresponding path program 134 times [2018-07-23 13:45:57,180 INFO L69 tionRefinementEngine]: Using refinement strategy FixedRefinementStrategy [2018-07-23 13:45:57,684 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-07-23 13:45:59,411 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 13:45:59,411 INFO L309 seRefinementStrategy]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2018-07-23 13:45:59,411 INFO L324 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [136] total 136 [2018-07-23 13:45:59,411 INFO L142 lantAutomatonBuilder]: Constructing canonical interpolant automaton, with selfloop in false state [2018-07-23 13:45:59,412 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-07-23 13:45:59,412 INFO L185 omatonBuilderFactory]: Interpolants [84993#(<= 7554 (+ (* 50 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 84992#(<= 7504 (+ (* 51 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 84995#(<= 7651 (+ (* 48 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 84994#(<= 7603 (+ (* 49 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 84997#(<= 7744 (+ (* 46 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 84996#(<= 7698 (+ (* 47 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 84999#(<= 7833 (+ (* 44 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 84998#(<= 7789 (+ (* 45 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 85001#(<= 7918 (+ (* 42 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 85000#(<= 7876 (+ (* 43 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 85003#(<= 7999 (+ (* 40 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 85002#(<= 7959 (+ (* 41 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 85005#(<= 8076 (+ (* 38 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 85004#(<= 8038 (+ (* 39 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 85007#(<= 8149 (+ (* 36 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 85006#(<= 8113 (+ (* 37 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 85009#(<= 8218 (+ (* 34 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 85008#(<= 8184 (+ (* 35 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 85011#(<= 8283 (+ (* 32 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 85010#(<= 8251 (+ (* 33 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 85013#(<= 8344 (+ (* 30 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 85012#(<= 8314 (+ (* 31 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 85015#(<= 8401 (+ (* 28 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 85014#(<= 8373 (+ (* 29 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 85017#(<= 8454 (+ (* 26 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 85016#(<= 8428 (+ (* 27 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 85019#(<= 8503 (+ (* 24 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 85018#(<= 8479 (+ (* 25 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 85021#(<= 8548 (+ (* 22 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 85020#(<= 8526 (+ (* 23 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 85023#(<= 8589 (+ (* 20 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 85022#(<= 8569 (+ (* 21 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 85025#(<= 8626 (+ (* 18 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 85024#(<= 8608 (+ (* 19 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 85027#(<= 8659 (+ (* 16 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 85026#(<= 8643 (+ (* 17 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 85029#(<= 8688 (+ (* 14 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 85028#(<= 8674 (+ (* 15 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 85031#(<= 8713 (+ (* 12 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 85030#(<= 8701 (+ (* 13 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 85033#(<= 8734 (+ (* 10 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 85032#(<= 8724 (+ (* 11 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 85035#(<= 8751 (+ (* 8 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 85034#(<= 8743 (+ (* 9 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 85037#(<= 8764 (+ (* 6 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 85036#(<= 8758 (+ (* 7 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 85039#(<= 8773 (+ (* 4 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 85038#(<= 8769 (+ (* 5 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 85041#(<= 8778 (+ (* 2 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 85040#(<= 8776 (+ (* 3 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 85043#(<= 8779 ULTIMATE.start_main_~x~5), 85042#(<= 8779 (+ ULTIMATE.start_main_~y~5 ULTIMATE.start_main_~x~5)), 85044#(<= (+ ULTIMATE.start_main_~y~5 8778) ULTIMATE.start_main_~x~5), 84909#false, 84908#true, 84911#(<= 133 (+ (* 132 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 84910#(<= 1 (+ (* 133 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 84913#(<= 394 (+ (* 130 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 84912#(<= 264 (+ (* 131 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 84915#(<= 651 (+ (* 128 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 84914#(<= 523 (+ (* 129 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 84917#(<= 904 (+ (* 126 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 84916#(<= 778 (+ (* 127 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 84919#(<= 1153 (+ (* 124 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 84918#(<= 1029 (+ (* 125 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 84921#(<= 1398 (+ (* 122 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 84920#(<= 1276 (+ (* 123 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 84923#(<= 1639 (+ (* 120 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 84922#(<= 1519 (+ (* 121 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 84925#(<= 1876 (+ (* 118 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 84924#(<= 1758 (+ (* 119 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 84927#(<= 2109 (+ (* 116 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 84926#(<= 1993 (+ (* 117 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 84929#(<= 2338 (+ (* 114 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 84928#(<= 2224 (+ (* 115 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 84931#(<= 2563 (+ (* 112 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 84930#(<= 2451 (+ (* 113 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 84933#(<= 2784 (+ (* 110 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 84932#(<= 2674 (+ (* 111 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 84935#(<= 3001 (+ (* 108 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 84934#(<= 2893 (+ (* 109 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 84937#(<= 3214 (+ (* 106 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 84936#(<= 3108 (+ (* 107 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 84939#(<= 3423 (+ (* 104 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 84938#(<= 3319 (+ (* 105 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 84941#(<= 3628 (+ (* 102 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 84940#(<= 3526 (+ (* 103 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 84943#(<= 3829 (+ (* 100 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 84942#(<= 3729 (+ (* 101 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 84945#(<= 4026 (+ (* 98 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 84944#(<= 3928 (+ (* 99 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 84947#(<= 4219 (+ (* 96 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 84946#(<= 4123 (+ (* 97 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 84949#(<= 4408 (+ (* 94 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 84948#(<= 4314 (+ (* 95 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 84951#(<= 4593 (+ (* 92 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 84950#(<= 4501 (+ (* 93 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 84953#(<= 4774 (+ (* 90 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 84952#(<= 4684 (+ (* 91 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 84955#(<= 4951 (+ (* 88 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 84954#(<= 4863 (+ (* 89 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 84957#(<= 5124 (+ (* 86 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 84956#(<= 5038 (+ (* 87 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 84959#(<= 5293 (+ (* 84 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 84958#(<= 5209 (+ (* 85 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 84961#(<= 5458 (+ (* 82 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 84960#(<= 5376 (+ (* 83 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 84963#(<= 5619 (+ (* 80 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 84962#(<= 5539 (+ (* 81 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 84965#(<= 5776 (+ (* 78 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 84964#(<= 5698 (+ (* 79 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 84967#(<= 5929 (+ (* 76 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 84966#(<= 5853 (+ (* 77 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 84969#(<= 6078 (+ (* 74 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 84968#(<= 6004 (+ (* 75 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 84971#(<= 6223 (+ (* 72 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 84970#(<= 6151 (+ (* 73 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 84973#(<= 6364 (+ (* 70 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 84972#(<= 6294 (+ (* 71 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 84975#(<= 6501 (+ (* 68 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 84974#(<= 6433 (+ (* 69 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 84977#(<= 6634 (+ (* 66 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 84976#(<= 6568 (+ (* 67 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 84979#(<= 6763 (+ (* 64 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 84978#(<= 6699 (+ (* 65 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 84981#(<= 6888 (+ (* 62 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 84980#(<= 6826 (+ (* 63 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 84983#(<= 7009 (+ (* 60 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 84982#(<= 6949 (+ (* 61 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 84985#(<= 7126 (+ (* 58 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 84984#(<= 7068 (+ (* 59 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 84987#(<= 7239 (+ (* 56 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 84986#(<= 7183 (+ (* 57 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 84989#(<= 7348 (+ (* 54 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 84988#(<= 7294 (+ (* 55 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 84991#(<= 7453 (+ (* 52 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 84990#(<= 7401 (+ (* 53 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5))] [2018-07-23 13:45:59,413 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 13:45:59,414 INFO L450 AbstractCegarLoop]: Interpolant automaton has 137 states [2018-07-23 13:45:59,414 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 137 interpolants. [2018-07-23 13:45:59,415 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=271, Invalid=18361, Unknown=0, NotChecked=0, Total=18632 [2018-07-23 13:45:59,415 INFO L87 Difference]: Start difference. First operand 273 states and 273 transitions. Second operand 137 states. [2018-07-23 13:46:02,326 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-07-23 13:46:02,326 INFO L93 Difference]: Finished difference Result 277 states and 277 transitions. [2018-07-23 13:46:02,326 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 137 states. [2018-07-23 13:46:02,326 INFO L78 Accepts]: Start accepts. Automaton has 137 states. Word has length 272 [2018-07-23 13:46:02,327 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-07-23 13:46:02,327 INFO L225 Difference]: With dead ends: 277 [2018-07-23 13:46:02,327 INFO L226 Difference]: Without dead ends: 275 [2018-07-23 13:46:02,329 INFO L575 BasicCegarLoop]: 0 DeclaredPredicates, 136 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 135 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 1.1s TimeCoverageRelationStatistics Valid=271, Invalid=18361, Unknown=0, NotChecked=0, Total=18632 [2018-07-23 13:46:02,329 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 275 states. [2018-07-23 13:46:02,497 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 275 to 275. [2018-07-23 13:46:02,497 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 275 states. [2018-07-23 13:46:02,498 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 275 states to 275 states and 275 transitions. [2018-07-23 13:46:02,498 INFO L78 Accepts]: Start accepts. Automaton has 275 states and 275 transitions. Word has length 272 [2018-07-23 13:46:02,498 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-07-23 13:46:02,498 INFO L471 AbstractCegarLoop]: Abstraction has 275 states and 275 transitions. [2018-07-23 13:46:02,498 INFO L472 AbstractCegarLoop]: Interpolant automaton has 137 states. [2018-07-23 13:46:02,498 INFO L276 IsEmpty]: Start isEmpty. Operand 275 states and 275 transitions. [2018-07-23 13:46:02,499 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 275 [2018-07-23 13:46:02,499 INFO L349 BasicCegarLoop]: Found error trace [2018-07-23 13:46:02,499 INFO L357 BasicCegarLoop]: trace histogram [136, 135, 1, 1, 1] [2018-07-23 13:46:02,499 INFO L414 AbstractCegarLoop]: === Iteration 136 === [ULTIMATE.startErr0AssertViolationASSERT]=== [2018-07-23 13:46:02,499 INFO L82 PathProgramCache]: Analyzing trace with hash -363659799, now seen corresponding path program 135 times [2018-07-23 13:46:02,499 INFO L69 tionRefinementEngine]: Using refinement strategy FixedRefinementStrategy [2018-07-23 13:46:03,069 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-07-23 13:46:04,724 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 13:46:04,724 INFO L309 seRefinementStrategy]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2018-07-23 13:46:04,724 INFO L324 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [137] total 137 [2018-07-23 13:46:04,725 INFO L142 lantAutomatonBuilder]: Constructing canonical interpolant automaton, with selfloop in false state [2018-07-23 13:46:04,725 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-07-23 13:46:04,725 INFO L185 omatonBuilderFactory]: Interpolants [86273#(<= 8846 (+ (* 12 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 86272#(<= 8834 (+ (* 13 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 86275#(<= 8867 (+ (* 10 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 86274#(<= 8857 (+ (* 11 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 86277#(<= 8884 (+ (* 8 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 86276#(<= 8876 (+ (* 9 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 86279#(<= 8897 (+ (* 6 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 86278#(<= 8891 (+ (* 7 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 86281#(<= 8906 (+ (* 4 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 86280#(<= 8902 (+ (* 5 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 86283#(<= 8911 (+ (* 2 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 86282#(<= 8909 (+ (* 3 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 86285#(<= 8912 ULTIMATE.start_main_~x~5), 86284#(<= 8912 (+ ULTIMATE.start_main_~y~5 ULTIMATE.start_main_~x~5)), 86286#(<= (+ ULTIMATE.start_main_~y~5 8911) ULTIMATE.start_main_~x~5), 86149#true, 86151#(<= 1 (+ (* 134 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 86150#false, 86153#(<= 266 (+ (* 132 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 86152#(<= 134 (+ (* 133 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 86155#(<= 527 (+ (* 130 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 86154#(<= 397 (+ (* 131 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 86157#(<= 784 (+ (* 128 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 86156#(<= 656 (+ (* 129 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 86159#(<= 1037 (+ (* 126 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 86158#(<= 911 (+ (* 127 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 86161#(<= 1286 (+ (* 124 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 86160#(<= 1162 (+ (* 125 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 86163#(<= 1531 (+ (* 122 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 86162#(<= 1409 (+ (* 123 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 86165#(<= 1772 (+ (* 120 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 86164#(<= 1652 (+ (* 121 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 86167#(<= 2009 (+ (* 118 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 86166#(<= 1891 (+ (* 119 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 86169#(<= 2242 (+ (* 116 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 86168#(<= 2126 (+ (* 117 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 86171#(<= 2471 (+ (* 114 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 86170#(<= 2357 (+ (* 115 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 86173#(<= 2696 (+ (* 112 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 86172#(<= 2584 (+ (* 113 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 86175#(<= 2917 (+ (* 110 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 86174#(<= 2807 (+ (* 111 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 86177#(<= 3134 (+ (* 108 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 86176#(<= 3026 (+ (* 109 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 86179#(<= 3347 (+ (* 106 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 86178#(<= 3241 (+ (* 107 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 86181#(<= 3556 (+ (* 104 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 86180#(<= 3452 (+ (* 105 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 86183#(<= 3761 (+ (* 102 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 86182#(<= 3659 (+ (* 103 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 86185#(<= 3962 (+ (* 100 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 86184#(<= 3862 (+ (* 101 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 86187#(<= 4159 (+ (* 98 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 86186#(<= 4061 (+ (* 99 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 86189#(<= 4352 (+ (* 96 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 86188#(<= 4256 (+ (* 97 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 86191#(<= 4541 (+ (* 94 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 86190#(<= 4447 (+ (* 95 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 86193#(<= 4726 (+ (* 92 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 86192#(<= 4634 (+ (* 93 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 86195#(<= 4907 (+ (* 90 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 86194#(<= 4817 (+ (* 91 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 86197#(<= 5084 (+ (* 88 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 86196#(<= 4996 (+ (* 89 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 86199#(<= 5257 (+ (* 86 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 86198#(<= 5171 (+ (* 87 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 86201#(<= 5426 (+ (* 84 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 86200#(<= 5342 (+ (* 85 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 86203#(<= 5591 (+ (* 82 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 86202#(<= 5509 (+ (* 83 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 86205#(<= 5752 (+ (* 80 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 86204#(<= 5672 (+ (* 81 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 86207#(<= 5909 (+ (* 78 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 86206#(<= 5831 (+ (* 79 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 86209#(<= 6062 (+ (* 76 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 86208#(<= 5986 (+ (* 77 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 86211#(<= 6211 (+ (* 74 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 86210#(<= 6137 (+ (* 75 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 86213#(<= 6356 (+ (* 72 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 86212#(<= 6284 (+ (* 73 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 86215#(<= 6497 (+ (* 70 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 86214#(<= 6427 (+ (* 71 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 86217#(<= 6634 (+ (* 68 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 86216#(<= 6566 (+ (* 69 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 86219#(<= 6767 (+ (* 66 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 86218#(<= 6701 (+ (* 67 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 86221#(<= 6896 (+ (* 64 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 86220#(<= 6832 (+ (* 65 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 86223#(<= 7021 (+ (* 62 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 86222#(<= 6959 (+ (* 63 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 86225#(<= 7142 (+ (* 60 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 86224#(<= 7082 (+ (* 61 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 86227#(<= 7259 (+ (* 58 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 86226#(<= 7201 (+ (* 59 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 86229#(<= 7372 (+ (* 56 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 86228#(<= 7316 (+ (* 57 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 86231#(<= 7481 (+ (* 54 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 86230#(<= 7427 (+ (* 55 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 86233#(<= 7586 (+ (* 52 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 86232#(<= 7534 (+ (* 53 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 86235#(<= 7687 (+ (* 50 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 86234#(<= 7637 (+ (* 51 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 86237#(<= 7784 (+ (* 48 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 86236#(<= 7736 (+ (* 49 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 86239#(<= 7877 (+ (* 46 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 86238#(<= 7831 (+ (* 47 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 86241#(<= 7966 (+ (* 44 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 86240#(<= 7922 (+ (* 45 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 86243#(<= 8051 (+ (* 42 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 86242#(<= 8009 (+ (* 43 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 86245#(<= 8132 (+ (* 40 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 86244#(<= 8092 (+ (* 41 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 86247#(<= 8209 (+ (* 38 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 86246#(<= 8171 (+ (* 39 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 86249#(<= 8282 (+ (* 36 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 86248#(<= 8246 (+ (* 37 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 86251#(<= 8351 (+ (* 34 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 86250#(<= 8317 (+ (* 35 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 86253#(<= 8416 (+ (* 32 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 86252#(<= 8384 (+ (* 33 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 86255#(<= 8477 (+ (* 30 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 86254#(<= 8447 (+ (* 31 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 86257#(<= 8534 (+ (* 28 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 86256#(<= 8506 (+ (* 29 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 86259#(<= 8587 (+ (* 26 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 86258#(<= 8561 (+ (* 27 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 86261#(<= 8636 (+ (* 24 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 86260#(<= 8612 (+ (* 25 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 86263#(<= 8681 (+ (* 22 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 86262#(<= 8659 (+ (* 23 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 86265#(<= 8722 (+ (* 20 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 86264#(<= 8702 (+ (* 21 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 86267#(<= 8759 (+ (* 18 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 86266#(<= 8741 (+ (* 19 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 86269#(<= 8792 (+ (* 16 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 86268#(<= 8776 (+ (* 17 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 86271#(<= 8821 (+ (* 14 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 86270#(<= 8807 (+ (* 15 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5))] [2018-07-23 13:46:04,726 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 13:46:04,726 INFO L450 AbstractCegarLoop]: Interpolant automaton has 138 states [2018-07-23 13:46:04,726 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 138 interpolants. [2018-07-23 13:46:04,727 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=273, Invalid=18633, Unknown=0, NotChecked=0, Total=18906 [2018-07-23 13:46:04,727 INFO L87 Difference]: Start difference. First operand 275 states and 275 transitions. Second operand 138 states. [2018-07-23 13:46:07,833 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-07-23 13:46:07,834 INFO L93 Difference]: Finished difference Result 279 states and 279 transitions. [2018-07-23 13:46:07,834 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 138 states. [2018-07-23 13:46:07,834 INFO L78 Accepts]: Start accepts. Automaton has 138 states. Word has length 274 [2018-07-23 13:46:07,834 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-07-23 13:46:07,835 INFO L225 Difference]: With dead ends: 279 [2018-07-23 13:46:07,835 INFO L226 Difference]: Without dead ends: 277 [2018-07-23 13:46:07,835 INFO L575 BasicCegarLoop]: 0 DeclaredPredicates, 137 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 136 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 1.1s TimeCoverageRelationStatistics Valid=273, Invalid=18633, Unknown=0, NotChecked=0, Total=18906 [2018-07-23 13:46:07,835 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 277 states. [2018-07-23 13:46:07,961 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 277 to 277. [2018-07-23 13:46:07,961 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 277 states. [2018-07-23 13:46:07,961 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 277 states to 277 states and 277 transitions. [2018-07-23 13:46:07,961 INFO L78 Accepts]: Start accepts. Automaton has 277 states and 277 transitions. Word has length 274 [2018-07-23 13:46:07,962 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-07-23 13:46:07,962 INFO L471 AbstractCegarLoop]: Abstraction has 277 states and 277 transitions. [2018-07-23 13:46:07,962 INFO L472 AbstractCegarLoop]: Interpolant automaton has 138 states. [2018-07-23 13:46:07,962 INFO L276 IsEmpty]: Start isEmpty. Operand 277 states and 277 transitions. [2018-07-23 13:46:07,962 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 277 [2018-07-23 13:46:07,962 INFO L349 BasicCegarLoop]: Found error trace [2018-07-23 13:46:07,963 INFO L357 BasicCegarLoop]: trace histogram [137, 136, 1, 1, 1] [2018-07-23 13:46:07,963 INFO L414 AbstractCegarLoop]: === Iteration 137 === [ULTIMATE.startErr0AssertViolationASSERT]=== [2018-07-23 13:46:07,963 INFO L82 PathProgramCache]: Analyzing trace with hash -1584782875, now seen corresponding path program 136 times [2018-07-23 13:46:07,963 INFO L69 tionRefinementEngine]: Using refinement strategy FixedRefinementStrategy [2018-07-23 13:46:08,485 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-07-23 13:46:10,300 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 13:46:10,300 INFO L309 seRefinementStrategy]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2018-07-23 13:46:10,300 INFO L324 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [138] total 138 [2018-07-23 13:46:10,300 INFO L142 lantAutomatonBuilder]: Constructing canonical interpolant automaton, with selfloop in false state [2018-07-23 13:46:10,301 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-07-23 13:46:10,301 INFO L185 omatonBuilderFactory]: Interpolants [87399#true, 87401#(<= 1 (+ (* 135 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 87400#false, 87403#(<= 268 (+ (* 133 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 87402#(<= 135 (+ (* 134 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 87405#(<= 531 (+ (* 131 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 87404#(<= 400 (+ (* 132 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 87407#(<= 790 (+ (* 129 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 87406#(<= 661 (+ (* 130 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 87409#(<= 1045 (+ (* 127 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 87408#(<= 918 (+ (* 128 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 87411#(<= 1296 (+ (* 125 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 87410#(<= 1171 (+ (* 126 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 87413#(<= 1543 (+ (* 123 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 87412#(<= 1420 (+ (* 124 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 87415#(<= 1786 (+ (* 121 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 87414#(<= 1665 (+ (* 122 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 87417#(<= 2025 (+ (* 119 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 87416#(<= 1906 (+ (* 120 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 87419#(<= 2260 (+ (* 117 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 87418#(<= 2143 (+ (* 118 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 87421#(<= 2491 (+ (* 115 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 87420#(<= 2376 (+ (* 116 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 87423#(<= 2718 (+ (* 113 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 87422#(<= 2605 (+ (* 114 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 87425#(<= 2941 (+ (* 111 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 87424#(<= 2830 (+ (* 112 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 87427#(<= 3160 (+ (* 109 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 87426#(<= 3051 (+ (* 110 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 87429#(<= 3375 (+ (* 107 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 87428#(<= 3268 (+ (* 108 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 87431#(<= 3586 (+ (* 105 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 87430#(<= 3481 (+ (* 106 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 87433#(<= 3793 (+ (* 103 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 87432#(<= 3690 (+ (* 104 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 87435#(<= 3996 (+ (* 101 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 87434#(<= 3895 (+ (* 102 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 87437#(<= 4195 (+ (* 99 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 87436#(<= 4096 (+ (* 100 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 87439#(<= 4390 (+ (* 97 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 87438#(<= 4293 (+ (* 98 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 87441#(<= 4581 (+ (* 95 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 87440#(<= 4486 (+ (* 96 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 87443#(<= 4768 (+ (* 93 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 87442#(<= 4675 (+ (* 94 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 87445#(<= 4951 (+ (* 91 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 87444#(<= 4860 (+ (* 92 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 87447#(<= 5130 (+ (* 89 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 87446#(<= 5041 (+ (* 90 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 87449#(<= 5305 (+ (* 87 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 87448#(<= 5218 (+ (* 88 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 87451#(<= 5476 (+ (* 85 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 87450#(<= 5391 (+ (* 86 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 87453#(<= 5643 (+ (* 83 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 87452#(<= 5560 (+ (* 84 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 87455#(<= 5806 (+ (* 81 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 87454#(<= 5725 (+ (* 82 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 87457#(<= 5965 (+ (* 79 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 87456#(<= 5886 (+ (* 80 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 87459#(<= 6120 (+ (* 77 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 87458#(<= 6043 (+ (* 78 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 87461#(<= 6271 (+ (* 75 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 87460#(<= 6196 (+ (* 76 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 87463#(<= 6418 (+ (* 73 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 87462#(<= 6345 (+ (* 74 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 87465#(<= 6561 (+ (* 71 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 87464#(<= 6490 (+ (* 72 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 87467#(<= 6700 (+ (* 69 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 87466#(<= 6631 (+ (* 70 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 87469#(<= 6835 (+ (* 67 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 87468#(<= 6768 (+ (* 68 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 87471#(<= 6966 (+ (* 65 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 87470#(<= 6901 (+ (* 66 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 87473#(<= 7093 (+ (* 63 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 87472#(<= 7030 (+ (* 64 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 87475#(<= 7216 (+ (* 61 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 87474#(<= 7155 (+ (* 62 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 87477#(<= 7335 (+ (* 59 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 87476#(<= 7276 (+ (* 60 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 87479#(<= 7450 (+ (* 57 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 87478#(<= 7393 (+ (* 58 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 87481#(<= 7561 (+ (* 55 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 87480#(<= 7506 (+ (* 56 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 87483#(<= 7668 (+ (* 53 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 87482#(<= 7615 (+ (* 54 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 87485#(<= 7771 (+ (* 51 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 87484#(<= 7720 (+ (* 52 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 87487#(<= 7870 (+ (* 49 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 87486#(<= 7821 (+ (* 50 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 87489#(<= 7965 (+ (* 47 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 87488#(<= 7918 (+ (* 48 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 87491#(<= 8056 (+ (* 45 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 87490#(<= 8011 (+ (* 46 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 87493#(<= 8143 (+ (* 43 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 87492#(<= 8100 (+ (* 44 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 87495#(<= 8226 (+ (* 41 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 87494#(<= 8185 (+ (* 42 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 87497#(<= 8305 (+ (* 39 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 87496#(<= 8266 (+ (* 40 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 87499#(<= 8380 (+ (* 37 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 87498#(<= 8343 (+ (* 38 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 87501#(<= 8451 (+ (* 35 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 87500#(<= 8416 (+ (* 36 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 87503#(<= 8518 (+ (* 33 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 87502#(<= 8485 (+ (* 34 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 87505#(<= 8581 (+ (* 31 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 87504#(<= 8550 (+ (* 32 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 87507#(<= 8640 (+ (* 29 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 87506#(<= 8611 (+ (* 30 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 87509#(<= 8695 (+ (* 27 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 87508#(<= 8668 (+ (* 28 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 87511#(<= 8746 (+ (* 25 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 87510#(<= 8721 (+ (* 26 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 87513#(<= 8793 (+ (* 23 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 87512#(<= 8770 (+ (* 24 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 87515#(<= 8836 (+ (* 21 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 87514#(<= 8815 (+ (* 22 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 87517#(<= 8875 (+ (* 19 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 87516#(<= 8856 (+ (* 20 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 87519#(<= 8910 (+ (* 17 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 87518#(<= 8893 (+ (* 18 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 87521#(<= 8941 (+ (* 15 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 87520#(<= 8926 (+ (* 16 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 87523#(<= 8968 (+ (* 13 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 87522#(<= 8955 (+ (* 14 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 87525#(<= 8991 (+ (* 11 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 87524#(<= 8980 (+ (* 12 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 87527#(<= 9010 (+ (* 9 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 87526#(<= 9001 (+ (* 10 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 87529#(<= 9025 (+ (* 7 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 87528#(<= 9018 (+ (* 8 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 87531#(<= 9036 (+ (* 5 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 87530#(<= 9031 (+ (* 6 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 87533#(<= 9043 (+ (* 3 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 87532#(<= 9040 (+ (* 4 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 87535#(<= 9046 (+ ULTIMATE.start_main_~y~5 ULTIMATE.start_main_~x~5)), 87534#(<= 9045 (+ (* 2 ULTIMATE.start_main_~y~5) ULTIMATE.start_main_~x~5)), 87537#(<= (+ ULTIMATE.start_main_~y~5 9045) ULTIMATE.start_main_~x~5), 87536#(<= 9046 ULTIMATE.start_main_~x~5)] [2018-07-23 13:46:10,302 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 13:46:10,302 INFO L450 AbstractCegarLoop]: Interpolant automaton has 139 states [2018-07-23 13:46:10,302 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 139 interpolants. [2018-07-23 13:46:10,302 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=275, Invalid=18907, Unknown=0, NotChecked=0, Total=19182 [2018-07-23 13:46:10,302 INFO L87 Difference]: Start difference. First operand 277 states and 277 transitions. Second operand 139 states. Received shutdown request... [2018-07-23 13:46:10,350 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2018-07-23 13:46:10,350 WARN L540 AbstractCegarLoop]: Verification canceled [2018-07-23 13:46:10,360 WARN L202 ceAbstractionStarter]: Timeout [2018-07-23 13:46:10,360 INFO L202 PluginConnector]: Adding new model afnp2014.c.i_3.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 23.07 01:46:10 BoogieIcfgContainer [2018-07-23 13:46:10,361 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2018-07-23 13:46:10,362 INFO L168 Benchmark]: Toolchain (without parser) took 258888.47 ms. Allocated memory was 1.5 GB in the beginning and 3.6 GB in the end (delta: 2.0 GB). Free memory was 1.5 GB in the beginning and 3.0 GB in the end (delta: -1.5 GB). Peak memory consumption was 529.8 MB. Max. memory is 7.1 GB. [2018-07-23 13:46:10,365 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 13:46:10,365 INFO L168 Benchmark]: Boogie Preprocessor took 49.51 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 13:46:10,365 INFO L168 Benchmark]: RCFGBuilder took 220.42 ms. Allocated memory is still 1.5 GB. Free memory was 1.5 GB in the beginning and 1.5 GB in the end (delta: 10.6 MB). Peak memory consumption was 10.6 MB. Max. memory is 7.1 GB. [2018-07-23 13:46:10,366 INFO L168 Benchmark]: TraceAbstraction took 258614.46 ms. Allocated memory was 1.5 GB in the beginning and 3.6 GB in the end (delta: 2.0 GB). Free memory was 1.5 GB in the beginning and 3.0 GB in the end (delta: -1.5 GB). Peak memory consumption was 519.2 MB. Max. memory is 7.1 GB. [2018-07-23 13:46:10,368 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 49.51 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 220.42 ms. Allocated memory is still 1.5 GB. Free memory was 1.5 GB in the beginning and 1.5 GB in the end (delta: 10.6 MB). Peak memory consumption was 10.6 MB. Max. memory is 7.1 GB. * TraceAbstraction took 258614.46 ms. Allocated memory was 1.5 GB in the beginning and 3.6 GB in the end (delta: 2.0 GB). Free memory was 1.5 GB in the beginning and 3.0 GB in the end (delta: -1.5 GB). Peak memory consumption was 519.2 MB. Max. memory is 7.1 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - TimeoutResultAtElement [Line: 43]: Timeout (TraceAbstraction) Unable to prove that assertion always holds (line 43). Cancelled while BasicCegarLoop was constructing difference of abstraction (277states) and interpolant automaton (currently 4 states, 139 states before enhancement), while ReachableStatesComputation was computing reachable states (4 states constructedinput type IntersectNwa). - StatisticsResult: Ultimate Automizer benchmark data CFG has 1 procedures, 7 locations, 1 error locations. TIMEOUT Result, 258.5s OverallTime, 137 OverallIterations, 137 TraceHistogramMax, 150.0s AutomataDifference, 0.0s DeadEndRemovalTime, 0.0s HoareAnnotationTime, HoareTripleCheckerStatistics: 542 SDtfs, 0 SDslu, 9316 SDs, 0 SdLazy, 1714466 SolverSat, 4 SolverUnsat, 67 SolverUnknown, 0 SolverNotchecked, 100.3s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 9594 GetRequests, 137 SyntacticMatches, 0 SemanticMatches, 9457 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 56.2s Time, 0.2s BasicInterpolantAutomatonTime, BiggestAbstraction: size=277occurred in iteration=136, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/857072 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s AbstIntTime, 0 AbstIntIterations, 0 AbstIntStrong, NaN AbsIntWeakeningRatio, NaN AbsIntAvgWeakeningVarsNumRemoved, NaN AbsIntAvgWeakenedConjuncts, 0.0s DumpTime, AutomataMinimizationStatistics: 6.9s AutomataMinimizationTime, 136 MinimizatonAttempts, 0 StatesRemovedByMinimization, 0 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TraceCheckStatistics: 0.3s SsaConstructionTime, 18.7s SatisfiabilityAnalysisTime, 76.3s InterpolantComputationTime, 19180 NumberOfCodeBlocks, 19180 NumberOfCodeBlocksAsserted, 137 NumberOfCheckSat, 19043 ConstructedInterpolants, 0 QuantifiedInterpolants, 24109405 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 137 InterpolantComputations, 1 PerfectInterpolantSequences, 0/857072 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/afnp2014.c.i_3.bpl_AutomizerBpl-nestedInterpolants.epf_AutomizerBpl.xml/Csv-Benchmark-0-2018-07-23_13-46-10-382.csv Written .csv to /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/csv/afnp2014.c.i_3.bpl_AutomizerBpl-nestedInterpolants.epf_AutomizerBpl.xml/Csv-TraceAbstractionBenchmarks-0-2018-07-23_13-46-10-382.csv Completed graceful shutdown