java -Xmx8000000000 -jar ./plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata ./data -tc ../../../trunk/examples/toolchains/AutomizerBpl.xml --generate-csv --csv-dir csv -s ../../../trunk/examples/programs/regression/bpl/AutomizerBpl-nestedInterpolants.epf -i ../../../trunk/examples/programs/20170319-ConjunctivePathPrograms/jain_5.i_2.bplTransformedIcfg_BEv2_4.bpl -------------------------------------------------------------------------------- This is Ultimate 0.1.23-935f392 [2018-07-23 13:41:02,237 INFO L170 SettingsManager]: Resetting all preferences to default values... [2018-07-23 13:41:02,240 INFO L174 SettingsManager]: Resetting UltimateCore preferences to default values [2018-07-23 13:41:02,252 INFO L177 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2018-07-23 13:41:02,252 INFO L174 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2018-07-23 13:41:02,254 INFO L174 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2018-07-23 13:41:02,255 INFO L174 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2018-07-23 13:41:02,257 INFO L174 SettingsManager]: Resetting LassoRanker preferences to default values [2018-07-23 13:41:02,258 INFO L174 SettingsManager]: Resetting Reaching Definitions preferences to default values [2018-07-23 13:41:02,259 INFO L174 SettingsManager]: Resetting SyntaxChecker preferences to default values [2018-07-23 13:41:02,260 INFO L177 SettingsManager]: Büchi Program Product provides no preferences, ignoring... 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[2018-07-23 13:41:02,288 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 13:41:02,302 INFO L110 SettingsManager]: Loading preferences was successful [2018-07-23 13:41:02,303 INFO L112 SettingsManager]: Preferences different from defaults after loading the file: [2018-07-23 13:41:02,304 INFO L131 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2018-07-23 13:41:02,304 INFO L133 SettingsManager]: * SMT solver=Internal_SMTInterpol [2018-07-23 13:41:02,305 INFO L131 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2018-07-23 13:41:02,305 INFO L133 SettingsManager]: * Compute Interpolants along a Counterexample=Craig_NestedInterpolation [2018-07-23 13:41:02,305 INFO L133 SettingsManager]: * Use separate solver for trace checks=false [2018-07-23 13:41:02,305 INFO L133 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2018-07-23 13:41:02,356 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2018-07-23 13:41:02,370 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2018-07-23 13:41:02,374 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2018-07-23 13:41:02,376 INFO L271 PluginConnector]: Initializing Boogie PL CUP Parser... [2018-07-23 13:41:02,376 INFO L276 PluginConnector]: Boogie PL CUP Parser initialized [2018-07-23 13:41:02,378 INFO L418 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/programs/20170319-ConjunctivePathPrograms/jain_5.i_2.bplTransformedIcfg_BEv2_4.bpl [2018-07-23 13:41:02,379 INFO L111 BoogieParser]: Parsing: '/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/programs/20170319-ConjunctivePathPrograms/jain_5.i_2.bplTransformedIcfg_BEv2_4.bpl' [2018-07-23 13:41:02,447 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2018-07-23 13:41:02,449 INFO L131 ToolchainWalker]: Walking toolchain with 3 elements. [2018-07-23 13:41:02,450 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2018-07-23 13:41:02,451 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2018-07-23 13:41:02,451 INFO L276 PluginConnector]: Boogie Preprocessor initialized [2018-07-23 13:41:02,482 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "jain_5.i_2.bplTransformedIcfg_BEv2_4.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 23.07 01:41:02" (1/1) ... [2018-07-23 13:41:02,484 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "jain_5.i_2.bplTransformedIcfg_BEv2_4.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 23.07 01:41:02" (1/1) ... [2018-07-23 13:41:02,495 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "jain_5.i_2.bplTransformedIcfg_BEv2_4.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 23.07 01:41:02" (1/1) ... [2018-07-23 13:41:02,496 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "jain_5.i_2.bplTransformedIcfg_BEv2_4.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 23.07 01:41:02" (1/1) ... [2018-07-23 13:41:02,501 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "jain_5.i_2.bplTransformedIcfg_BEv2_4.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 23.07 01:41:02" (1/1) ... [2018-07-23 13:41:02,503 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "jain_5.i_2.bplTransformedIcfg_BEv2_4.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 23.07 01:41:02" (1/1) ... [2018-07-23 13:41:02,506 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "jain_5.i_2.bplTransformedIcfg_BEv2_4.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 23.07 01:41:02" (1/1) ... [2018-07-23 13:41:02,508 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2018-07-23 13:41:02,510 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2018-07-23 13:41:02,510 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2018-07-23 13:41:02,510 INFO L276 PluginConnector]: RCFGBuilder initialized [2018-07-23 13:41:02,515 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "jain_5.i_2.bplTransformedIcfg_BEv2_4.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 23.07 01:41:02" (1/1) ... [2018-07-23 13:41:02,609 INFO L124 BoogieDeclarations]: Specification and implementation of procedure ULTIMATE.start given in one single declaration [2018-07-23 13:41:02,610 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2018-07-23 13:41:02,610 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2018-07-23 13:41:02,819 INFO L261 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2018-07-23 13:41:02,820 INFO L202 PluginConnector]: Adding new model jain_5.i_2.bplTransformedIcfg_BEv2_4.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.07 01:41:02 BoogieIcfgContainer [2018-07-23 13:41:02,820 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2018-07-23 13:41:02,822 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2018-07-23 13:41:02,822 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2018-07-23 13:41:02,825 INFO L276 PluginConnector]: TraceAbstraction initialized [2018-07-23 13:41:02,826 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "jain_5.i_2.bplTransformedIcfg_BEv2_4.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 23.07 01:41:02" (1/2) ... [2018-07-23 13:41:02,827 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@2dbd3447 and model type jain_5.i_2.bplTransformedIcfg_BEv2_4.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 23.07 01:41:02, skipping insertion in model container [2018-07-23 13:41:02,827 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "jain_5.i_2.bplTransformedIcfg_BEv2_4.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.07 01:41:02" (2/2) ... [2018-07-23 13:41:02,830 INFO L112 eAbstractionObserver]: Analyzing ICFG jain_5.i_2.bplTransformedIcfg_BEv2_4.bpl [2018-07-23 13:41:02,841 INFO L132 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:Craig_NestedInterpolation Determinization: PREDICATE_ABSTRACTION [2018-07-23 13:41:02,850 INFO L144 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2018-07-23 13:41:02,901 INFO L128 ementStrategyFactory]: Using default assertion order modulation [2018-07-23 13:41:02,902 INFO L373 AbstractCegarLoop]: Interprodecural is true [2018-07-23 13:41:02,903 INFO L374 AbstractCegarLoop]: Hoare is true [2018-07-23 13:41:02,903 INFO L375 AbstractCegarLoop]: Compute interpolants for Craig_NestedInterpolation [2018-07-23 13:41:02,903 INFO L376 AbstractCegarLoop]: Backedges is CANONICAL [2018-07-23 13:41:02,903 INFO L377 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2018-07-23 13:41:02,904 INFO L378 AbstractCegarLoop]: Difference is false [2018-07-23 13:41:02,904 INFO L379 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2018-07-23 13:41:02,904 INFO L384 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2018-07-23 13:41:02,920 INFO L276 IsEmpty]: Start isEmpty. Operand 6 states. [2018-07-23 13:41:02,930 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2018-07-23 13:41:02,930 INFO L349 BasicCegarLoop]: Found error trace [2018-07-23 13:41:02,931 INFO L357 BasicCegarLoop]: trace histogram [1, 1, 1, 1] [2018-07-23 13:41:02,932 INFO L414 AbstractCegarLoop]: === Iteration 1 === [ULTIMATE.startErr0AssertViolationASSERT]=== [2018-07-23 13:41:02,938 INFO L82 PathProgramCache]: Analyzing trace with hash 947099, now seen corresponding path program 1 times [2018-07-23 13:41:02,946 INFO L69 tionRefinementEngine]: Using refinement strategy FixedRefinementStrategy [2018-07-23 13:41:02,965 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-07-23 13:41:03,038 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 13:41:03,041 INFO L309 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-07-23 13:41:03,042 INFO L324 seRefinementStrategy]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2018-07-23 13:41:03,044 INFO L142 lantAutomatonBuilder]: Constructing canonical interpolant automaton, with selfloop in false state [2018-07-23 13:41:03,044 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-07-23 13:41:03,045 INFO L185 omatonBuilderFactory]: Interpolants [9#true, 10#false, 11#(<= 4 (+ ULTIMATE.start_main_~x~4 ULTIMATE.start_main_~y~4)), 12#(<= 1 ULTIMATE.start___VERIFIER_assert_~cond)] [2018-07-23 13:41:03,045 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-07-23 13:41:03,046 INFO L450 AbstractCegarLoop]: Interpolant automaton has 4 states [2018-07-23 13:41:03,061 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2018-07-23 13:41:03,062 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2018-07-23 13:41:03,065 INFO L87 Difference]: Start difference. First operand 6 states. Second operand 4 states. [2018-07-23 13:41:03,103 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-07-23 13:41:03,103 INFO L93 Difference]: Finished difference Result 11 states and 12 transitions. [2018-07-23 13:41:03,104 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2018-07-23 13:41:03,105 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 4 [2018-07-23 13:41:03,106 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-07-23 13:41:03,116 INFO L225 Difference]: With dead ends: 11 [2018-07-23 13:41:03,117 INFO L226 Difference]: Without dead ends: 8 [2018-07-23 13:41:03,121 INFO L575 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2018-07-23 13:41:03,141 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 8 states. [2018-07-23 13:41:03,156 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 8 to 7. [2018-07-23 13:41:03,158 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 7 states. [2018-07-23 13:41:03,159 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 7 states to 7 states and 7 transitions. [2018-07-23 13:41:03,161 INFO L78 Accepts]: Start accepts. Automaton has 7 states and 7 transitions. Word has length 4 [2018-07-23 13:41:03,161 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-07-23 13:41:03,161 INFO L471 AbstractCegarLoop]: Abstraction has 7 states and 7 transitions. [2018-07-23 13:41:03,162 INFO L472 AbstractCegarLoop]: Interpolant automaton has 4 states. [2018-07-23 13:41:03,162 INFO L276 IsEmpty]: Start isEmpty. Operand 7 states and 7 transitions. [2018-07-23 13:41:03,162 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 7 [2018-07-23 13:41:03,163 INFO L349 BasicCegarLoop]: Found error trace [2018-07-23 13:41:03,163 INFO L357 BasicCegarLoop]: trace histogram [2, 1, 1, 1, 1] [2018-07-23 13:41:03,163 INFO L414 AbstractCegarLoop]: === Iteration 2 === [ULTIMATE.startErr0AssertViolationASSERT]=== [2018-07-23 13:41:03,163 INFO L82 PathProgramCache]: Analyzing trace with hash 910108837, now seen corresponding path program 1 times [2018-07-23 13:41:03,164 INFO L69 tionRefinementEngine]: Using refinement strategy FixedRefinementStrategy [2018-07-23 13:41:03,173 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-07-23 13:41:03,206 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 13:41:03,206 INFO L309 seRefinementStrategy]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2018-07-23 13:41:03,206 INFO L324 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [4] total 4 [2018-07-23 13:41:03,207 INFO L142 lantAutomatonBuilder]: Constructing canonical interpolant automaton, with selfloop in false state [2018-07-23 13:41:03,207 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-07-23 13:41:03,207 INFO L185 omatonBuilderFactory]: Interpolants [49#true, 50#false, 51#(<= 8 (+ ULTIMATE.start_main_~x~4 (* 2 ULTIMATE.start_main_~y~4))), 52#(<= 12 (+ ULTIMATE.start_main_~x~4 ULTIMATE.start_main_~y~4)), 53#(<= 1 ULTIMATE.start___VERIFIER_assert_~cond)] [2018-07-23 13:41:03,208 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 13:41:03,210 INFO L450 AbstractCegarLoop]: Interpolant automaton has 5 states [2018-07-23 13:41:03,210 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2018-07-23 13:41:03,211 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2018-07-23 13:41:03,211 INFO L87 Difference]: Start difference. First operand 7 states and 7 transitions. Second operand 5 states. [2018-07-23 13:41:03,252 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-07-23 13:41:03,252 INFO L93 Difference]: Finished difference Result 12 states and 12 transitions. [2018-07-23 13:41:03,252 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2018-07-23 13:41:03,253 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 6 [2018-07-23 13:41:03,253 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-07-23 13:41:03,253 INFO L225 Difference]: With dead ends: 12 [2018-07-23 13:41:03,254 INFO L226 Difference]: Without dead ends: 10 [2018-07-23 13:41:03,256 INFO L575 BasicCegarLoop]: 0 DeclaredPredicates, 4 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2018-07-23 13:41:03,256 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 10 states. [2018-07-23 13:41:03,259 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 10 to 9. [2018-07-23 13:41:03,259 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 9 states. [2018-07-23 13:41:03,260 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 9 states to 9 states and 9 transitions. [2018-07-23 13:41:03,260 INFO L78 Accepts]: Start accepts. Automaton has 9 states and 9 transitions. Word has length 6 [2018-07-23 13:41:03,260 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-07-23 13:41:03,260 INFO L471 AbstractCegarLoop]: Abstraction has 9 states and 9 transitions. [2018-07-23 13:41:03,261 INFO L472 AbstractCegarLoop]: Interpolant automaton has 5 states. [2018-07-23 13:41:03,261 INFO L276 IsEmpty]: Start isEmpty. Operand 9 states and 9 transitions. [2018-07-23 13:41:03,261 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 9 [2018-07-23 13:41:03,261 INFO L349 BasicCegarLoop]: Found error trace [2018-07-23 13:41:03,262 INFO L357 BasicCegarLoop]: trace histogram [3, 2, 1, 1, 1] [2018-07-23 13:41:03,262 INFO L414 AbstractCegarLoop]: === Iteration 3 === [ULTIMATE.startErr0AssertViolationASSERT]=== [2018-07-23 13:41:03,262 INFO L82 PathProgramCache]: Analyzing trace with hash -1558789329, now seen corresponding path program 2 times [2018-07-23 13:41:03,263 INFO L69 tionRefinementEngine]: Using refinement strategy FixedRefinementStrategy [2018-07-23 13:41:03,275 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-07-23 13:41:03,351 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 13:41:03,354 INFO L309 seRefinementStrategy]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2018-07-23 13:41:03,354 INFO L324 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [5] total 5 [2018-07-23 13:41:03,354 INFO L142 lantAutomatonBuilder]: Constructing canonical interpolant automaton, with selfloop in false state [2018-07-23 13:41:03,354 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-07-23 13:41:03,355 INFO L185 omatonBuilderFactory]: Interpolants [96#true, 97#false, 98#(<= 12 (+ ULTIMATE.start_main_~x~4 (* 3 ULTIMATE.start_main_~y~4))), 99#(<= 20 (+ ULTIMATE.start_main_~x~4 (* 2 ULTIMATE.start_main_~y~4))), 100#(<= 24 (+ ULTIMATE.start_main_~x~4 ULTIMATE.start_main_~y~4)), 101#(<= 1 ULTIMATE.start___VERIFIER_assert_~cond)] [2018-07-23 13:41:03,355 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 13:41:03,355 INFO L450 AbstractCegarLoop]: Interpolant automaton has 6 states [2018-07-23 13:41:03,356 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2018-07-23 13:41:03,356 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2018-07-23 13:41:03,358 INFO L87 Difference]: Start difference. First operand 9 states and 9 transitions. Second operand 6 states. [2018-07-23 13:41:03,430 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-07-23 13:41:03,430 INFO L93 Difference]: Finished difference Result 14 states and 14 transitions. [2018-07-23 13:41:03,431 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2018-07-23 13:41:03,431 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 8 [2018-07-23 13:41:03,431 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-07-23 13:41:03,432 INFO L225 Difference]: With dead ends: 14 [2018-07-23 13:41:03,432 INFO L226 Difference]: Without dead ends: 12 [2018-07-23 13:41:03,433 INFO L575 BasicCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2018-07-23 13:41:03,433 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 12 states. [2018-07-23 13:41:03,436 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 12 to 11. [2018-07-23 13:41:03,437 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 11 states. [2018-07-23 13:41:03,437 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 11 states to 11 states and 11 transitions. [2018-07-23 13:41:03,437 INFO L78 Accepts]: Start accepts. Automaton has 11 states and 11 transitions. Word has length 8 [2018-07-23 13:41:03,438 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-07-23 13:41:03,438 INFO L471 AbstractCegarLoop]: Abstraction has 11 states and 11 transitions. [2018-07-23 13:41:03,438 INFO L472 AbstractCegarLoop]: Interpolant automaton has 6 states. [2018-07-23 13:41:03,438 INFO L276 IsEmpty]: Start isEmpty. Operand 11 states and 11 transitions. [2018-07-23 13:41:03,439 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 11 [2018-07-23 13:41:03,439 INFO L349 BasicCegarLoop]: Found error trace [2018-07-23 13:41:03,439 INFO L357 BasicCegarLoop]: trace histogram [4, 3, 1, 1, 1] [2018-07-23 13:41:03,439 INFO L414 AbstractCegarLoop]: === Iteration 4 === [ULTIMATE.startErr0AssertViolationASSERT]=== [2018-07-23 13:41:03,440 INFO L82 PathProgramCache]: Analyzing trace with hash 946987833, now seen corresponding path program 3 times [2018-07-23 13:41:03,440 INFO L69 tionRefinementEngine]: Using refinement strategy FixedRefinementStrategy [2018-07-23 13:41:03,451 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-07-23 13:41:03,536 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 13:41:03,537 INFO L309 seRefinementStrategy]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2018-07-23 13:41:03,537 INFO L324 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [6] total 6 [2018-07-23 13:41:03,537 INFO L142 lantAutomatonBuilder]: Constructing canonical interpolant automaton, with selfloop in false state [2018-07-23 13:41:03,541 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-07-23 13:41:03,541 INFO L185 omatonBuilderFactory]: Interpolants [152#true, 153#false, 154#(<= 16 (+ ULTIMATE.start_main_~x~4 (* 4 ULTIMATE.start_main_~y~4))), 155#(<= 28 (+ ULTIMATE.start_main_~x~4 (* 3 ULTIMATE.start_main_~y~4))), 156#(<= 36 (+ ULTIMATE.start_main_~x~4 (* 2 ULTIMATE.start_main_~y~4))), 157#(<= 40 (+ ULTIMATE.start_main_~x~4 ULTIMATE.start_main_~y~4)), 158#(<= 1 ULTIMATE.start___VERIFIER_assert_~cond)] [2018-07-23 13:41:03,541 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 13:41:03,542 INFO L450 AbstractCegarLoop]: Interpolant automaton has 7 states [2018-07-23 13:41:03,542 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2018-07-23 13:41:03,542 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=31, Unknown=0, NotChecked=0, Total=42 [2018-07-23 13:41:03,543 INFO L87 Difference]: Start difference. First operand 11 states and 11 transitions. Second operand 7 states. [2018-07-23 13:41:03,657 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-07-23 13:41:03,657 INFO L93 Difference]: Finished difference Result 16 states and 16 transitions. [2018-07-23 13:41:03,657 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2018-07-23 13:41:03,658 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 10 [2018-07-23 13:41:03,658 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-07-23 13:41:03,658 INFO L225 Difference]: With dead ends: 16 [2018-07-23 13:41:03,659 INFO L226 Difference]: Without dead ends: 14 [2018-07-23 13:41:03,659 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 13:41:03,660 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 14 states. [2018-07-23 13:41:03,664 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 14 to 13. [2018-07-23 13:41:03,664 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 13 states. [2018-07-23 13:41:03,665 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 13 states to 13 states and 13 transitions. [2018-07-23 13:41:03,665 INFO L78 Accepts]: Start accepts. Automaton has 13 states and 13 transitions. Word has length 10 [2018-07-23 13:41:03,665 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-07-23 13:41:03,665 INFO L471 AbstractCegarLoop]: Abstraction has 13 states and 13 transitions. [2018-07-23 13:41:03,666 INFO L472 AbstractCegarLoop]: Interpolant automaton has 7 states. [2018-07-23 13:41:03,666 INFO L276 IsEmpty]: Start isEmpty. Operand 13 states and 13 transitions. [2018-07-23 13:41:03,666 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2018-07-23 13:41:03,666 INFO L349 BasicCegarLoop]: Found error trace [2018-07-23 13:41:03,666 INFO L357 BasicCegarLoop]: trace histogram [5, 4, 1, 1, 1] [2018-07-23 13:41:03,667 INFO L414 AbstractCegarLoop]: === Iteration 5 === [ULTIMATE.startErr0AssertViolationASSERT]=== [2018-07-23 13:41:03,667 INFO L82 PathProgramCache]: Analyzing trace with hash -477812541, now seen corresponding path program 4 times [2018-07-23 13:41:03,667 INFO L69 tionRefinementEngine]: Using refinement strategy FixedRefinementStrategy [2018-07-23 13:41:03,676 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-07-23 13:41:03,755 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 13:41:03,756 INFO L309 seRefinementStrategy]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2018-07-23 13:41:03,756 INFO L324 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [7] total 7 [2018-07-23 13:41:03,756 INFO L142 lantAutomatonBuilder]: Constructing canonical interpolant automaton, with selfloop in false state [2018-07-23 13:41:03,757 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-07-23 13:41:03,757 INFO L185 omatonBuilderFactory]: Interpolants [224#(<= 1 ULTIMATE.start___VERIFIER_assert_~cond), 217#true, 218#false, 219#(<= 20 (+ ULTIMATE.start_main_~x~4 (* 5 ULTIMATE.start_main_~y~4))), 220#(<= 36 (+ ULTIMATE.start_main_~x~4 (* 4 ULTIMATE.start_main_~y~4))), 221#(<= 48 (+ ULTIMATE.start_main_~x~4 (* 3 ULTIMATE.start_main_~y~4))), 222#(<= 56 (+ ULTIMATE.start_main_~x~4 (* 2 ULTIMATE.start_main_~y~4))), 223#(<= 60 (+ ULTIMATE.start_main_~x~4 ULTIMATE.start_main_~y~4))] [2018-07-23 13:41:03,757 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 13:41:03,758 INFO L450 AbstractCegarLoop]: Interpolant automaton has 8 states [2018-07-23 13:41:03,758 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2018-07-23 13:41:03,759 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=13, Invalid=43, Unknown=0, NotChecked=0, Total=56 [2018-07-23 13:41:03,759 INFO L87 Difference]: Start difference. First operand 13 states and 13 transitions. Second operand 8 states. [2018-07-23 13:41:03,862 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-07-23 13:41:03,862 INFO L93 Difference]: Finished difference Result 18 states and 18 transitions. [2018-07-23 13:41:03,864 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2018-07-23 13:41:03,864 INFO L78 Accepts]: Start accepts. Automaton has 8 states. Word has length 12 [2018-07-23 13:41:03,866 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-07-23 13:41:03,867 INFO L225 Difference]: With dead ends: 18 [2018-07-23 13:41:03,867 INFO L226 Difference]: Without dead ends: 16 [2018-07-23 13:41:03,870 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 13:41:03,872 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 16 states. [2018-07-23 13:41:03,884 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 16 to 15. [2018-07-23 13:41:03,885 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 15 states. [2018-07-23 13:41:03,886 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 15 states to 15 states and 15 transitions. [2018-07-23 13:41:03,886 INFO L78 Accepts]: Start accepts. Automaton has 15 states and 15 transitions. Word has length 12 [2018-07-23 13:41:03,887 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-07-23 13:41:03,887 INFO L471 AbstractCegarLoop]: Abstraction has 15 states and 15 transitions. [2018-07-23 13:41:03,887 INFO L472 AbstractCegarLoop]: Interpolant automaton has 8 states. [2018-07-23 13:41:03,887 INFO L276 IsEmpty]: Start isEmpty. Operand 15 states and 15 transitions. [2018-07-23 13:41:03,888 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 15 [2018-07-23 13:41:03,888 INFO L349 BasicCegarLoop]: Found error trace [2018-07-23 13:41:03,891 INFO L357 BasicCegarLoop]: trace histogram [6, 5, 1, 1, 1] [2018-07-23 13:41:03,892 INFO L414 AbstractCegarLoop]: === Iteration 6 === [ULTIMATE.startErr0AssertViolationASSERT]=== [2018-07-23 13:41:03,892 INFO L82 PathProgramCache]: Analyzing trace with hash 383595469, now seen corresponding path program 5 times [2018-07-23 13:41:03,893 INFO L69 tionRefinementEngine]: Using refinement strategy FixedRefinementStrategy [2018-07-23 13:41:03,913 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-07-23 13:41:04,005 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 13:41:04,008 INFO L309 seRefinementStrategy]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2018-07-23 13:41:04,009 INFO L324 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [8] total 8 [2018-07-23 13:41:04,009 INFO L142 lantAutomatonBuilder]: Constructing canonical interpolant automaton, with selfloop in false state [2018-07-23 13:41:04,009 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 13:41:04,010 INFO L185 omatonBuilderFactory]: Interpolants [291#true, 292#false, 293#(<= 24 (+ ULTIMATE.start_main_~x~4 (* 6 ULTIMATE.start_main_~y~4))), 294#(<= 44 (+ ULTIMATE.start_main_~x~4 (* 5 ULTIMATE.start_main_~y~4))), 295#(<= 60 (+ ULTIMATE.start_main_~x~4 (* 4 ULTIMATE.start_main_~y~4))), 296#(<= 72 (+ ULTIMATE.start_main_~x~4 (* 3 ULTIMATE.start_main_~y~4))), 297#(<= 80 (+ ULTIMATE.start_main_~x~4 (* 2 ULTIMATE.start_main_~y~4))), 298#(<= 84 (+ ULTIMATE.start_main_~x~4 ULTIMATE.start_main_~y~4)), 299#(<= 1 ULTIMATE.start___VERIFIER_assert_~cond)] [2018-07-23 13:41:04,010 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 13:41:04,011 INFO L450 AbstractCegarLoop]: Interpolant automaton has 9 states [2018-07-23 13:41:04,011 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2018-07-23 13:41:04,012 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=57, Unknown=0, NotChecked=0, Total=72 [2018-07-23 13:41:04,012 INFO L87 Difference]: Start difference. First operand 15 states and 15 transitions. Second operand 9 states. [2018-07-23 13:41:04,127 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-07-23 13:41:04,127 INFO L93 Difference]: Finished difference Result 20 states and 20 transitions. [2018-07-23 13:41:04,130 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2018-07-23 13:41:04,131 INFO L78 Accepts]: Start accepts. Automaton has 9 states. Word has length 14 [2018-07-23 13:41:04,131 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-07-23 13:41:04,132 INFO L225 Difference]: With dead ends: 20 [2018-07-23 13:41:04,132 INFO L226 Difference]: Without dead ends: 18 [2018-07-23 13:41:04,134 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 13:41:04,134 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 18 states. [2018-07-23 13:41:04,151 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 18 to 17. [2018-07-23 13:41:04,154 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 17 states. [2018-07-23 13:41:04,155 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 17 states to 17 states and 17 transitions. [2018-07-23 13:41:04,156 INFO L78 Accepts]: Start accepts. Automaton has 17 states and 17 transitions. Word has length 14 [2018-07-23 13:41:04,156 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-07-23 13:41:04,156 INFO L471 AbstractCegarLoop]: Abstraction has 17 states and 17 transitions. [2018-07-23 13:41:04,157 INFO L472 AbstractCegarLoop]: Interpolant automaton has 9 states. [2018-07-23 13:41:04,157 INFO L276 IsEmpty]: Start isEmpty. Operand 17 states and 17 transitions. [2018-07-23 13:41:04,160 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 17 [2018-07-23 13:41:04,160 INFO L349 BasicCegarLoop]: Found error trace [2018-07-23 13:41:04,160 INFO L357 BasicCegarLoop]: trace histogram [7, 6, 1, 1, 1] [2018-07-23 13:41:04,161 INFO L414 AbstractCegarLoop]: === Iteration 7 === [ULTIMATE.startErr0AssertViolationASSERT]=== [2018-07-23 13:41:04,161 INFO L82 PathProgramCache]: Analyzing trace with hash -731995049, now seen corresponding path program 6 times [2018-07-23 13:41:04,162 INFO L69 tionRefinementEngine]: Using refinement strategy FixedRefinementStrategy [2018-07-23 13:41:04,177 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-07-23 13:41:04,255 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 13:41:04,256 INFO L309 seRefinementStrategy]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2018-07-23 13:41:04,256 INFO L324 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [9] total 9 [2018-07-23 13:41:04,256 INFO L142 lantAutomatonBuilder]: Constructing canonical interpolant automaton, with selfloop in false state [2018-07-23 13:41:04,257 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-07-23 13:41:04,258 INFO L185 omatonBuilderFactory]: Interpolants [374#true, 375#false, 376#(<= 28 (+ ULTIMATE.start_main_~x~4 (* 7 ULTIMATE.start_main_~y~4))), 377#(<= 52 (+ ULTIMATE.start_main_~x~4 (* 6 ULTIMATE.start_main_~y~4))), 378#(<= 72 (+ ULTIMATE.start_main_~x~4 (* 5 ULTIMATE.start_main_~y~4))), 379#(<= 88 (+ ULTIMATE.start_main_~x~4 (* 4 ULTIMATE.start_main_~y~4))), 380#(<= 100 (+ ULTIMATE.start_main_~x~4 (* 3 ULTIMATE.start_main_~y~4))), 381#(<= 108 (+ ULTIMATE.start_main_~x~4 (* 2 ULTIMATE.start_main_~y~4))), 382#(<= 112 (+ ULTIMATE.start_main_~x~4 ULTIMATE.start_main_~y~4)), 383#(<= 1 ULTIMATE.start___VERIFIER_assert_~cond)] [2018-07-23 13:41:04,258 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 13:41:04,258 INFO L450 AbstractCegarLoop]: Interpolant automaton has 10 states [2018-07-23 13:41:04,259 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2018-07-23 13:41:04,259 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=17, Invalid=73, Unknown=0, NotChecked=0, Total=90 [2018-07-23 13:41:04,261 INFO L87 Difference]: Start difference. First operand 17 states and 17 transitions. Second operand 10 states. [2018-07-23 13:41:04,357 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-07-23 13:41:04,357 INFO L93 Difference]: Finished difference Result 22 states and 22 transitions. [2018-07-23 13:41:04,358 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2018-07-23 13:41:04,358 INFO L78 Accepts]: Start accepts. Automaton has 10 states. Word has length 16 [2018-07-23 13:41:04,358 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-07-23 13:41:04,359 INFO L225 Difference]: With dead ends: 22 [2018-07-23 13:41:04,359 INFO L226 Difference]: Without dead ends: 20 [2018-07-23 13:41:04,360 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 13:41:04,360 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 20 states. [2018-07-23 13:41:04,367 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 20 to 19. [2018-07-23 13:41:04,367 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 19 states. [2018-07-23 13:41:04,368 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 19 states to 19 states and 19 transitions. [2018-07-23 13:41:04,368 INFO L78 Accepts]: Start accepts. Automaton has 19 states and 19 transitions. Word has length 16 [2018-07-23 13:41:04,368 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-07-23 13:41:04,369 INFO L471 AbstractCegarLoop]: Abstraction has 19 states and 19 transitions. [2018-07-23 13:41:04,369 INFO L472 AbstractCegarLoop]: Interpolant automaton has 10 states. [2018-07-23 13:41:04,371 INFO L276 IsEmpty]: Start isEmpty. Operand 19 states and 19 transitions. [2018-07-23 13:41:04,374 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2018-07-23 13:41:04,374 INFO L349 BasicCegarLoop]: Found error trace [2018-07-23 13:41:04,374 INFO L357 BasicCegarLoop]: trace histogram [8, 7, 1, 1, 1] [2018-07-23 13:41:04,375 INFO L414 AbstractCegarLoop]: === Iteration 8 === [ULTIMATE.startErr0AssertViolationASSERT]=== [2018-07-23 13:41:04,375 INFO L82 PathProgramCache]: Analyzing trace with hash 927341153, now seen corresponding path program 7 times [2018-07-23 13:41:04,375 INFO L69 tionRefinementEngine]: Using refinement strategy FixedRefinementStrategy [2018-07-23 13:41:04,388 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-07-23 13:41:04,450 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 13:41:04,451 INFO L309 seRefinementStrategy]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2018-07-23 13:41:04,451 INFO L324 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [10] total 10 [2018-07-23 13:41:04,451 INFO L142 lantAutomatonBuilder]: Constructing canonical interpolant automaton, with selfloop in false state [2018-07-23 13:41:04,452 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-07-23 13:41:04,452 INFO L185 omatonBuilderFactory]: Interpolants [466#true, 467#false, 468#(<= 32 (+ ULTIMATE.start_main_~x~4 (* 8 ULTIMATE.start_main_~y~4))), 469#(<= 60 (+ ULTIMATE.start_main_~x~4 (* 7 ULTIMATE.start_main_~y~4))), 470#(<= 84 (+ ULTIMATE.start_main_~x~4 (* 6 ULTIMATE.start_main_~y~4))), 471#(<= 104 (+ ULTIMATE.start_main_~x~4 (* 5 ULTIMATE.start_main_~y~4))), 472#(<= 120 (+ ULTIMATE.start_main_~x~4 (* 4 ULTIMATE.start_main_~y~4))), 473#(<= 132 (+ ULTIMATE.start_main_~x~4 (* 3 ULTIMATE.start_main_~y~4))), 474#(<= 140 (+ ULTIMATE.start_main_~x~4 (* 2 ULTIMATE.start_main_~y~4))), 475#(<= 144 (+ ULTIMATE.start_main_~x~4 ULTIMATE.start_main_~y~4)), 476#(<= 1 ULTIMATE.start___VERIFIER_assert_~cond)] [2018-07-23 13:41:04,453 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 13:41:04,453 INFO L450 AbstractCegarLoop]: Interpolant automaton has 11 states [2018-07-23 13:41:04,453 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2018-07-23 13:41:04,454 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=19, Invalid=91, Unknown=0, NotChecked=0, Total=110 [2018-07-23 13:41:04,454 INFO L87 Difference]: Start difference. First operand 19 states and 19 transitions. Second operand 11 states. [2018-07-23 13:41:04,527 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-07-23 13:41:04,527 INFO L93 Difference]: Finished difference Result 24 states and 24 transitions. [2018-07-23 13:41:04,528 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2018-07-23 13:41:04,528 INFO L78 Accepts]: Start accepts. Automaton has 11 states. Word has length 18 [2018-07-23 13:41:04,528 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-07-23 13:41:04,529 INFO L225 Difference]: With dead ends: 24 [2018-07-23 13:41:04,529 INFO L226 Difference]: Without dead ends: 22 [2018-07-23 13:41:04,530 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 13:41:04,530 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 22 states. [2018-07-23 13:41:04,535 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 22 to 21. [2018-07-23 13:41:04,536 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 21 states. [2018-07-23 13:41:04,536 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 21 states to 21 states and 21 transitions. [2018-07-23 13:41:04,537 INFO L78 Accepts]: Start accepts. Automaton has 21 states and 21 transitions. Word has length 18 [2018-07-23 13:41:04,537 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-07-23 13:41:04,537 INFO L471 AbstractCegarLoop]: Abstraction has 21 states and 21 transitions. [2018-07-23 13:41:04,537 INFO L472 AbstractCegarLoop]: Interpolant automaton has 11 states. [2018-07-23 13:41:04,538 INFO L276 IsEmpty]: Start isEmpty. Operand 21 states and 21 transitions. [2018-07-23 13:41:04,538 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 21 [2018-07-23 13:41:04,538 INFO L349 BasicCegarLoop]: Found error trace [2018-07-23 13:41:04,539 INFO L357 BasicCegarLoop]: trace histogram [9, 8, 1, 1, 1] [2018-07-23 13:41:04,539 INFO L414 AbstractCegarLoop]: === Iteration 9 === [ULTIMATE.startErr0AssertViolationASSERT]=== [2018-07-23 13:41:04,539 INFO L82 PathProgramCache]: Analyzing trace with hash 2116564459, now seen corresponding path program 8 times [2018-07-23 13:41:04,539 INFO L69 tionRefinementEngine]: Using refinement strategy FixedRefinementStrategy [2018-07-23 13:41:04,550 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-07-23 13:41:04,610 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 13:41:04,610 INFO L309 seRefinementStrategy]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2018-07-23 13:41:04,610 INFO L324 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [11] total 11 [2018-07-23 13:41:04,611 INFO L142 lantAutomatonBuilder]: Constructing canonical interpolant automaton, with selfloop in false state [2018-07-23 13:41:04,611 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-07-23 13:41:04,612 INFO L185 omatonBuilderFactory]: Interpolants [576#(<= 176 (+ ULTIMATE.start_main_~x~4 (* 2 ULTIMATE.start_main_~y~4))), 577#(<= 180 (+ ULTIMATE.start_main_~x~4 ULTIMATE.start_main_~y~4)), 578#(<= 1 ULTIMATE.start___VERIFIER_assert_~cond), 567#true, 568#false, 569#(<= 36 (+ ULTIMATE.start_main_~x~4 (* 9 ULTIMATE.start_main_~y~4))), 570#(<= 68 (+ ULTIMATE.start_main_~x~4 (* 8 ULTIMATE.start_main_~y~4))), 571#(<= 96 (+ ULTIMATE.start_main_~x~4 (* 7 ULTIMATE.start_main_~y~4))), 572#(<= 120 (+ ULTIMATE.start_main_~x~4 (* 6 ULTIMATE.start_main_~y~4))), 573#(<= 140 (+ ULTIMATE.start_main_~x~4 (* 5 ULTIMATE.start_main_~y~4))), 574#(<= 156 (+ ULTIMATE.start_main_~x~4 (* 4 ULTIMATE.start_main_~y~4))), 575#(<= 168 (+ ULTIMATE.start_main_~x~4 (* 3 ULTIMATE.start_main_~y~4)))] [2018-07-23 13:41:04,612 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 13:41:04,612 INFO L450 AbstractCegarLoop]: Interpolant automaton has 12 states [2018-07-23 13:41:04,613 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2018-07-23 13:41:04,613 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=21, Invalid=111, Unknown=0, NotChecked=0, Total=132 [2018-07-23 13:41:04,613 INFO L87 Difference]: Start difference. First operand 21 states and 21 transitions. Second operand 12 states. [2018-07-23 13:41:04,695 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-07-23 13:41:04,695 INFO L93 Difference]: Finished difference Result 26 states and 26 transitions. [2018-07-23 13:41:04,695 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2018-07-23 13:41:04,695 INFO L78 Accepts]: Start accepts. Automaton has 12 states. Word has length 20 [2018-07-23 13:41:04,696 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-07-23 13:41:04,696 INFO L225 Difference]: With dead ends: 26 [2018-07-23 13:41:04,697 INFO L226 Difference]: Without dead ends: 24 [2018-07-23 13:41:04,697 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 13:41:04,698 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 24 states. [2018-07-23 13:41:04,703 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 24 to 23. [2018-07-23 13:41:04,704 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 23 states. [2018-07-23 13:41:04,705 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 23 states to 23 states and 23 transitions. [2018-07-23 13:41:04,705 INFO L78 Accepts]: Start accepts. Automaton has 23 states and 23 transitions. Word has length 20 [2018-07-23 13:41:04,705 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-07-23 13:41:04,705 INFO L471 AbstractCegarLoop]: Abstraction has 23 states and 23 transitions. [2018-07-23 13:41:04,706 INFO L472 AbstractCegarLoop]: Interpolant automaton has 12 states. [2018-07-23 13:41:04,706 INFO L276 IsEmpty]: Start isEmpty. Operand 23 states and 23 transitions. [2018-07-23 13:41:04,706 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 23 [2018-07-23 13:41:04,707 INFO L349 BasicCegarLoop]: Found error trace [2018-07-23 13:41:04,707 INFO L357 BasicCegarLoop]: trace histogram [10, 9, 1, 1, 1] [2018-07-23 13:41:04,707 INFO L414 AbstractCegarLoop]: === Iteration 10 === [ULTIMATE.startErr0AssertViolationASSERT]=== [2018-07-23 13:41:04,707 INFO L82 PathProgramCache]: Analyzing trace with hash -1796106507, now seen corresponding path program 9 times [2018-07-23 13:41:04,708 INFO L69 tionRefinementEngine]: Using refinement strategy FixedRefinementStrategy [2018-07-23 13:41:04,728 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-07-23 13:41:04,802 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 13:41:04,802 INFO L309 seRefinementStrategy]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2018-07-23 13:41:04,803 INFO L324 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [12] total 12 [2018-07-23 13:41:04,803 INFO L142 lantAutomatonBuilder]: Constructing canonical interpolant automaton, with selfloop in false state [2018-07-23 13:41:04,803 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-07-23 13:41:04,804 INFO L185 omatonBuilderFactory]: Interpolants [677#true, 678#false, 679#(<= 40 (+ ULTIMATE.start_main_~x~4 (* 10 ULTIMATE.start_main_~y~4))), 680#(<= 76 (+ ULTIMATE.start_main_~x~4 (* 9 ULTIMATE.start_main_~y~4))), 681#(<= 108 (+ ULTIMATE.start_main_~x~4 (* 8 ULTIMATE.start_main_~y~4))), 682#(<= 136 (+ ULTIMATE.start_main_~x~4 (* 7 ULTIMATE.start_main_~y~4))), 683#(<= 160 (+ ULTIMATE.start_main_~x~4 (* 6 ULTIMATE.start_main_~y~4))), 684#(<= 180 (+ ULTIMATE.start_main_~x~4 (* 5 ULTIMATE.start_main_~y~4))), 685#(<= 196 (+ ULTIMATE.start_main_~x~4 (* 4 ULTIMATE.start_main_~y~4))), 686#(<= 208 (+ ULTIMATE.start_main_~x~4 (* 3 ULTIMATE.start_main_~y~4))), 687#(<= 216 (+ ULTIMATE.start_main_~x~4 (* 2 ULTIMATE.start_main_~y~4))), 688#(<= 220 (+ ULTIMATE.start_main_~x~4 ULTIMATE.start_main_~y~4)), 689#(<= 1 ULTIMATE.start___VERIFIER_assert_~cond)] [2018-07-23 13:41:04,804 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 13:41:04,805 INFO L450 AbstractCegarLoop]: Interpolant automaton has 13 states [2018-07-23 13:41:04,805 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 13 interpolants. [2018-07-23 13:41:04,806 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=23, Invalid=133, Unknown=0, NotChecked=0, Total=156 [2018-07-23 13:41:04,807 INFO L87 Difference]: Start difference. First operand 23 states and 23 transitions. Second operand 13 states. [2018-07-23 13:41:04,914 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-07-23 13:41:04,915 INFO L93 Difference]: Finished difference Result 28 states and 28 transitions. [2018-07-23 13:41:04,915 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2018-07-23 13:41:04,915 INFO L78 Accepts]: Start accepts. Automaton has 13 states. Word has length 22 [2018-07-23 13:41:04,916 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-07-23 13:41:04,916 INFO L225 Difference]: With dead ends: 28 [2018-07-23 13:41:04,916 INFO L226 Difference]: Without dead ends: 26 [2018-07-23 13:41:04,917 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 13:41:04,917 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 26 states. [2018-07-23 13:41:04,925 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 26 to 25. [2018-07-23 13:41:04,926 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 25 states. [2018-07-23 13:41:04,928 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 25 states to 25 states and 25 transitions. [2018-07-23 13:41:04,929 INFO L78 Accepts]: Start accepts. Automaton has 25 states and 25 transitions. Word has length 22 [2018-07-23 13:41:04,929 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-07-23 13:41:04,929 INFO L471 AbstractCegarLoop]: Abstraction has 25 states and 25 transitions. [2018-07-23 13:41:04,929 INFO L472 AbstractCegarLoop]: Interpolant automaton has 13 states. [2018-07-23 13:41:04,930 INFO L276 IsEmpty]: Start isEmpty. Operand 25 states and 25 transitions. [2018-07-23 13:41:04,930 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 25 [2018-07-23 13:41:04,930 INFO L349 BasicCegarLoop]: Found error trace [2018-07-23 13:41:04,931 INFO L357 BasicCegarLoop]: trace histogram [11, 10, 1, 1, 1] [2018-07-23 13:41:04,931 INFO L414 AbstractCegarLoop]: === Iteration 11 === [ULTIMATE.startErr0AssertViolationASSERT]=== [2018-07-23 13:41:04,931 INFO L82 PathProgramCache]: Analyzing trace with hash 518446463, now seen corresponding path program 10 times [2018-07-23 13:41:04,931 INFO L69 tionRefinementEngine]: Using refinement strategy FixedRefinementStrategy [2018-07-23 13:41:04,944 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-07-23 13:41:05,038 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 13:41:05,038 INFO L309 seRefinementStrategy]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2018-07-23 13:41:05,038 INFO L324 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [13] total 13 [2018-07-23 13:41:05,039 INFO L142 lantAutomatonBuilder]: Constructing canonical interpolant automaton, with selfloop in false state [2018-07-23 13:41:05,039 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-07-23 13:41:05,040 INFO L185 omatonBuilderFactory]: Interpolants [800#(<= 120 (+ ULTIMATE.start_main_~x~4 (* 9 ULTIMATE.start_main_~y~4))), 801#(<= 152 (+ ULTIMATE.start_main_~x~4 (* 8 ULTIMATE.start_main_~y~4))), 802#(<= 180 (+ ULTIMATE.start_main_~x~4 (* 7 ULTIMATE.start_main_~y~4))), 803#(<= 204 (+ ULTIMATE.start_main_~x~4 (* 6 ULTIMATE.start_main_~y~4))), 804#(<= 224 (+ ULTIMATE.start_main_~x~4 (* 5 ULTIMATE.start_main_~y~4))), 805#(<= 240 (+ ULTIMATE.start_main_~x~4 (* 4 ULTIMATE.start_main_~y~4))), 806#(<= 252 (+ ULTIMATE.start_main_~x~4 (* 3 ULTIMATE.start_main_~y~4))), 807#(<= 260 (+ ULTIMATE.start_main_~x~4 (* 2 ULTIMATE.start_main_~y~4))), 808#(<= 264 (+ ULTIMATE.start_main_~x~4 ULTIMATE.start_main_~y~4)), 809#(<= 1 ULTIMATE.start___VERIFIER_assert_~cond), 796#true, 797#false, 798#(<= 44 (+ ULTIMATE.start_main_~x~4 (* 11 ULTIMATE.start_main_~y~4))), 799#(<= 84 (+ ULTIMATE.start_main_~x~4 (* 10 ULTIMATE.start_main_~y~4)))] [2018-07-23 13:41:05,040 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 13:41:05,041 INFO L450 AbstractCegarLoop]: Interpolant automaton has 14 states [2018-07-23 13:41:05,041 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 14 interpolants. [2018-07-23 13:41:05,043 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=25, Invalid=157, Unknown=0, NotChecked=0, Total=182 [2018-07-23 13:41:05,044 INFO L87 Difference]: Start difference. First operand 25 states and 25 transitions. Second operand 14 states. [2018-07-23 13:41:05,178 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-07-23 13:41:05,178 INFO L93 Difference]: Finished difference Result 30 states and 30 transitions. [2018-07-23 13:41:05,179 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2018-07-23 13:41:05,180 INFO L78 Accepts]: Start accepts. Automaton has 14 states. Word has length 24 [2018-07-23 13:41:05,180 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-07-23 13:41:05,181 INFO L225 Difference]: With dead ends: 30 [2018-07-23 13:41:05,181 INFO L226 Difference]: Without dead ends: 28 [2018-07-23 13:41:05,186 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 13:41:05,186 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 28 states. [2018-07-23 13:41:05,193 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 28 to 27. [2018-07-23 13:41:05,194 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 27 states. [2018-07-23 13:41:05,195 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 27 states to 27 states and 27 transitions. [2018-07-23 13:41:05,195 INFO L78 Accepts]: Start accepts. Automaton has 27 states and 27 transitions. Word has length 24 [2018-07-23 13:41:05,195 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-07-23 13:41:05,195 INFO L471 AbstractCegarLoop]: Abstraction has 27 states and 27 transitions. [2018-07-23 13:41:05,196 INFO L472 AbstractCegarLoop]: Interpolant automaton has 14 states. [2018-07-23 13:41:05,196 INFO L276 IsEmpty]: Start isEmpty. Operand 27 states and 27 transitions. [2018-07-23 13:41:05,196 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 27 [2018-07-23 13:41:05,197 INFO L349 BasicCegarLoop]: Found error trace [2018-07-23 13:41:05,198 INFO L357 BasicCegarLoop]: trace histogram [12, 11, 1, 1, 1] [2018-07-23 13:41:05,198 INFO L414 AbstractCegarLoop]: === Iteration 12 === [ULTIMATE.startErr0AssertViolationASSERT]=== [2018-07-23 13:41:05,198 INFO L82 PathProgramCache]: Analyzing trace with hash 10791305, now seen corresponding path program 11 times [2018-07-23 13:41:05,198 INFO L69 tionRefinementEngine]: Using refinement strategy FixedRefinementStrategy [2018-07-23 13:41:05,224 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-07-23 13:41:05,320 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 13:41:05,320 INFO L309 seRefinementStrategy]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2018-07-23 13:41:05,321 INFO L324 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [14] total 14 [2018-07-23 13:41:05,321 INFO L142 lantAutomatonBuilder]: Constructing canonical interpolant automaton, with selfloop in false state [2018-07-23 13:41:05,321 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-07-23 13:41:05,322 INFO L185 omatonBuilderFactory]: Interpolants [928#(<= 132 (+ ULTIMATE.start_main_~x~4 (* 10 ULTIMATE.start_main_~y~4))), 929#(<= 168 (+ ULTIMATE.start_main_~x~4 (* 9 ULTIMATE.start_main_~y~4))), 930#(<= 200 (+ ULTIMATE.start_main_~x~4 (* 8 ULTIMATE.start_main_~y~4))), 931#(<= 228 (+ ULTIMATE.start_main_~x~4 (* 7 ULTIMATE.start_main_~y~4))), 932#(<= 252 (+ ULTIMATE.start_main_~x~4 (* 6 ULTIMATE.start_main_~y~4))), 933#(<= 272 (+ ULTIMATE.start_main_~x~4 (* 5 ULTIMATE.start_main_~y~4))), 934#(<= 288 (+ ULTIMATE.start_main_~x~4 (* 4 ULTIMATE.start_main_~y~4))), 935#(<= 300 (+ ULTIMATE.start_main_~x~4 (* 3 ULTIMATE.start_main_~y~4))), 936#(<= 308 (+ ULTIMATE.start_main_~x~4 (* 2 ULTIMATE.start_main_~y~4))), 937#(<= 312 (+ ULTIMATE.start_main_~x~4 ULTIMATE.start_main_~y~4)), 938#(<= 1 ULTIMATE.start___VERIFIER_assert_~cond), 924#true, 925#false, 926#(<= 48 (+ ULTIMATE.start_main_~x~4 (* 12 ULTIMATE.start_main_~y~4))), 927#(<= 92 (+ ULTIMATE.start_main_~x~4 (* 11 ULTIMATE.start_main_~y~4)))] [2018-07-23 13:41:05,322 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 13:41:05,323 INFO L450 AbstractCegarLoop]: Interpolant automaton has 15 states [2018-07-23 13:41:05,323 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 15 interpolants. [2018-07-23 13:41:05,325 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=27, Invalid=183, Unknown=0, NotChecked=0, Total=210 [2018-07-23 13:41:05,326 INFO L87 Difference]: Start difference. First operand 27 states and 27 transitions. Second operand 15 states. [2018-07-23 13:41:05,475 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-07-23 13:41:05,476 INFO L93 Difference]: Finished difference Result 32 states and 32 transitions. [2018-07-23 13:41:05,476 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2018-07-23 13:41:05,476 INFO L78 Accepts]: Start accepts. Automaton has 15 states. Word has length 26 [2018-07-23 13:41:05,477 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-07-23 13:41:05,478 INFO L225 Difference]: With dead ends: 32 [2018-07-23 13:41:05,478 INFO L226 Difference]: Without dead ends: 30 [2018-07-23 13:41:05,479 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 13:41:05,479 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 30 states. [2018-07-23 13:41:05,488 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 30 to 29. [2018-07-23 13:41:05,489 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 29 states. [2018-07-23 13:41:05,490 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 29 states to 29 states and 29 transitions. [2018-07-23 13:41:05,490 INFO L78 Accepts]: Start accepts. Automaton has 29 states and 29 transitions. Word has length 26 [2018-07-23 13:41:05,490 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-07-23 13:41:05,490 INFO L471 AbstractCegarLoop]: Abstraction has 29 states and 29 transitions. [2018-07-23 13:41:05,491 INFO L472 AbstractCegarLoop]: Interpolant automaton has 15 states. [2018-07-23 13:41:05,491 INFO L276 IsEmpty]: Start isEmpty. Operand 29 states and 29 transitions. [2018-07-23 13:41:05,495 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 29 [2018-07-23 13:41:05,496 INFO L349 BasicCegarLoop]: Found error trace [2018-07-23 13:41:05,496 INFO L357 BasicCegarLoop]: trace histogram [13, 12, 1, 1, 1] [2018-07-23 13:41:05,496 INFO L414 AbstractCegarLoop]: === Iteration 13 === [ULTIMATE.startErr0AssertViolationASSERT]=== [2018-07-23 13:41:05,496 INFO L82 PathProgramCache]: Analyzing trace with hash 1780456211, now seen corresponding path program 12 times [2018-07-23 13:41:05,497 INFO L69 tionRefinementEngine]: Using refinement strategy FixedRefinementStrategy [2018-07-23 13:41:05,514 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-07-23 13:41:05,610 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 13:41:05,611 INFO L309 seRefinementStrategy]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2018-07-23 13:41:05,611 INFO L324 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [15] total 15 [2018-07-23 13:41:05,612 INFO L142 lantAutomatonBuilder]: Constructing canonical interpolant automaton, with selfloop in false state [2018-07-23 13:41:05,612 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-07-23 13:41:05,613 INFO L185 omatonBuilderFactory]: Interpolants [1061#true, 1062#false, 1063#(<= 52 (+ ULTIMATE.start_main_~x~4 (* 13 ULTIMATE.start_main_~y~4))), 1064#(<= 100 (+ ULTIMATE.start_main_~x~4 (* 12 ULTIMATE.start_main_~y~4))), 1065#(<= 144 (+ ULTIMATE.start_main_~x~4 (* 11 ULTIMATE.start_main_~y~4))), 1066#(<= 184 (+ ULTIMATE.start_main_~x~4 (* 10 ULTIMATE.start_main_~y~4))), 1067#(<= 220 (+ ULTIMATE.start_main_~x~4 (* 9 ULTIMATE.start_main_~y~4))), 1068#(<= 252 (+ ULTIMATE.start_main_~x~4 (* 8 ULTIMATE.start_main_~y~4))), 1069#(<= 280 (+ ULTIMATE.start_main_~x~4 (* 7 ULTIMATE.start_main_~y~4))), 1070#(<= 304 (+ ULTIMATE.start_main_~x~4 (* 6 ULTIMATE.start_main_~y~4))), 1071#(<= 324 (+ ULTIMATE.start_main_~x~4 (* 5 ULTIMATE.start_main_~y~4))), 1072#(<= 340 (+ ULTIMATE.start_main_~x~4 (* 4 ULTIMATE.start_main_~y~4))), 1073#(<= 352 (+ ULTIMATE.start_main_~x~4 (* 3 ULTIMATE.start_main_~y~4))), 1074#(<= 360 (+ ULTIMATE.start_main_~x~4 (* 2 ULTIMATE.start_main_~y~4))), 1075#(<= 364 (+ ULTIMATE.start_main_~x~4 ULTIMATE.start_main_~y~4)), 1076#(<= 1 ULTIMATE.start___VERIFIER_assert_~cond)] [2018-07-23 13:41:05,613 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 13:41:05,613 INFO L450 AbstractCegarLoop]: Interpolant automaton has 16 states [2018-07-23 13:41:05,614 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 16 interpolants. [2018-07-23 13:41:05,614 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=29, Invalid=211, Unknown=0, NotChecked=0, Total=240 [2018-07-23 13:41:05,614 INFO L87 Difference]: Start difference. First operand 29 states and 29 transitions. Second operand 16 states. [2018-07-23 13:41:05,756 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-07-23 13:41:05,756 INFO L93 Difference]: Finished difference Result 34 states and 34 transitions. [2018-07-23 13:41:05,756 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2018-07-23 13:41:05,756 INFO L78 Accepts]: Start accepts. Automaton has 16 states. Word has length 28 [2018-07-23 13:41:05,757 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-07-23 13:41:05,757 INFO L225 Difference]: With dead ends: 34 [2018-07-23 13:41:05,758 INFO L226 Difference]: Without dead ends: 32 [2018-07-23 13:41:05,758 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 13:41:05,759 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 32 states. [2018-07-23 13:41:05,767 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 32 to 31. [2018-07-23 13:41:05,767 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 31 states. [2018-07-23 13:41:05,768 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 31 states to 31 states and 31 transitions. [2018-07-23 13:41:05,768 INFO L78 Accepts]: Start accepts. Automaton has 31 states and 31 transitions. Word has length 28 [2018-07-23 13:41:05,769 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-07-23 13:41:05,769 INFO L471 AbstractCegarLoop]: Abstraction has 31 states and 31 transitions. [2018-07-23 13:41:05,769 INFO L472 AbstractCegarLoop]: Interpolant automaton has 16 states. [2018-07-23 13:41:05,769 INFO L276 IsEmpty]: Start isEmpty. Operand 31 states and 31 transitions. [2018-07-23 13:41:05,770 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 31 [2018-07-23 13:41:05,770 INFO L349 BasicCegarLoop]: Found error trace [2018-07-23 13:41:05,770 INFO L357 BasicCegarLoop]: trace histogram [14, 13, 1, 1, 1] [2018-07-23 13:41:05,771 INFO L414 AbstractCegarLoop]: === Iteration 14 === [ULTIMATE.startErr0AssertViolationASSERT]=== [2018-07-23 13:41:05,771 INFO L82 PathProgramCache]: Analyzing trace with hash 1621381661, now seen corresponding path program 13 times [2018-07-23 13:41:05,771 INFO L69 tionRefinementEngine]: Using refinement strategy FixedRefinementStrategy [2018-07-23 13:41:05,788 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-07-23 13:41:05,899 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 13:41:05,900 INFO L309 seRefinementStrategy]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2018-07-23 13:41:05,900 INFO L324 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [16] total 16 [2018-07-23 13:41:05,900 INFO L142 lantAutomatonBuilder]: Constructing canonical interpolant automaton, with selfloop in false state [2018-07-23 13:41:05,901 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-07-23 13:41:05,901 INFO L185 omatonBuilderFactory]: Interpolants [1216#(<= 336 (+ ULTIMATE.start_main_~x~4 (* 7 ULTIMATE.start_main_~y~4))), 1217#(<= 360 (+ ULTIMATE.start_main_~x~4 (* 6 ULTIMATE.start_main_~y~4))), 1218#(<= 380 (+ ULTIMATE.start_main_~x~4 (* 5 ULTIMATE.start_main_~y~4))), 1219#(<= 396 (+ ULTIMATE.start_main_~x~4 (* 4 ULTIMATE.start_main_~y~4))), 1220#(<= 408 (+ ULTIMATE.start_main_~x~4 (* 3 ULTIMATE.start_main_~y~4))), 1221#(<= 416 (+ ULTIMATE.start_main_~x~4 (* 2 ULTIMATE.start_main_~y~4))), 1222#(<= 420 (+ ULTIMATE.start_main_~x~4 ULTIMATE.start_main_~y~4)), 1223#(<= 1 ULTIMATE.start___VERIFIER_assert_~cond), 1207#true, 1208#false, 1209#(<= 56 (+ ULTIMATE.start_main_~x~4 (* 14 ULTIMATE.start_main_~y~4))), 1210#(<= 108 (+ ULTIMATE.start_main_~x~4 (* 13 ULTIMATE.start_main_~y~4))), 1211#(<= 156 (+ ULTIMATE.start_main_~x~4 (* 12 ULTIMATE.start_main_~y~4))), 1212#(<= 200 (+ ULTIMATE.start_main_~x~4 (* 11 ULTIMATE.start_main_~y~4))), 1213#(<= 240 (+ ULTIMATE.start_main_~x~4 (* 10 ULTIMATE.start_main_~y~4))), 1214#(<= 276 (+ ULTIMATE.start_main_~x~4 (* 9 ULTIMATE.start_main_~y~4))), 1215#(<= 308 (+ ULTIMATE.start_main_~x~4 (* 8 ULTIMATE.start_main_~y~4)))] [2018-07-23 13:41:05,902 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 13:41:05,902 INFO L450 AbstractCegarLoop]: Interpolant automaton has 17 states [2018-07-23 13:41:05,903 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 17 interpolants. [2018-07-23 13:41:05,903 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=31, Invalid=241, Unknown=0, NotChecked=0, Total=272 [2018-07-23 13:41:05,903 INFO L87 Difference]: Start difference. First operand 31 states and 31 transitions. Second operand 17 states. [2018-07-23 13:41:06,086 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-07-23 13:41:06,086 INFO L93 Difference]: Finished difference Result 36 states and 36 transitions. [2018-07-23 13:41:06,087 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2018-07-23 13:41:06,087 INFO L78 Accepts]: Start accepts. Automaton has 17 states. Word has length 30 [2018-07-23 13:41:06,087 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-07-23 13:41:06,088 INFO L225 Difference]: With dead ends: 36 [2018-07-23 13:41:06,088 INFO L226 Difference]: Without dead ends: 34 [2018-07-23 13:41:06,088 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 13:41:06,089 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 34 states. [2018-07-23 13:41:06,107 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 34 to 33. [2018-07-23 13:41:06,107 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 33 states. [2018-07-23 13:41:06,108 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 33 states to 33 states and 33 transitions. [2018-07-23 13:41:06,108 INFO L78 Accepts]: Start accepts. Automaton has 33 states and 33 transitions. Word has length 30 [2018-07-23 13:41:06,109 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-07-23 13:41:06,109 INFO L471 AbstractCegarLoop]: Abstraction has 33 states and 33 transitions. [2018-07-23 13:41:06,109 INFO L472 AbstractCegarLoop]: Interpolant automaton has 17 states. [2018-07-23 13:41:06,110 INFO L276 IsEmpty]: Start isEmpty. Operand 33 states and 33 transitions. [2018-07-23 13:41:06,111 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 33 [2018-07-23 13:41:06,112 INFO L349 BasicCegarLoop]: Found error trace [2018-07-23 13:41:06,112 INFO L357 BasicCegarLoop]: trace histogram [15, 14, 1, 1, 1] [2018-07-23 13:41:06,113 INFO L414 AbstractCegarLoop]: === Iteration 15 === [ULTIMATE.startErr0AssertViolationASSERT]=== [2018-07-23 13:41:06,113 INFO L82 PathProgramCache]: Analyzing trace with hash -925405529, now seen corresponding path program 14 times [2018-07-23 13:41:06,114 INFO L69 tionRefinementEngine]: Using refinement strategy FixedRefinementStrategy [2018-07-23 13:41:06,135 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-07-23 13:41:06,293 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 13:41:06,293 INFO L309 seRefinementStrategy]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2018-07-23 13:41:06,294 INFO L324 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [17] total 17 [2018-07-23 13:41:06,294 INFO L142 lantAutomatonBuilder]: Constructing canonical interpolant automaton, with selfloop in false state [2018-07-23 13:41:06,294 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 13:41:06,295 INFO L185 omatonBuilderFactory]: Interpolants [1376#(<= 468 (+ ULTIMATE.start_main_~x~4 (* 3 ULTIMATE.start_main_~y~4))), 1377#(<= 476 (+ ULTIMATE.start_main_~x~4 (* 2 ULTIMATE.start_main_~y~4))), 1378#(<= 480 (+ ULTIMATE.start_main_~x~4 ULTIMATE.start_main_~y~4)), 1379#(<= 1 ULTIMATE.start___VERIFIER_assert_~cond), 1362#true, 1363#false, 1364#(<= 60 (+ ULTIMATE.start_main_~x~4 (* 15 ULTIMATE.start_main_~y~4))), 1365#(<= 116 (+ ULTIMATE.start_main_~x~4 (* 14 ULTIMATE.start_main_~y~4))), 1366#(<= 168 (+ ULTIMATE.start_main_~x~4 (* 13 ULTIMATE.start_main_~y~4))), 1367#(<= 216 (+ ULTIMATE.start_main_~x~4 (* 12 ULTIMATE.start_main_~y~4))), 1368#(<= 260 (+ ULTIMATE.start_main_~x~4 (* 11 ULTIMATE.start_main_~y~4))), 1369#(<= 300 (+ ULTIMATE.start_main_~x~4 (* 10 ULTIMATE.start_main_~y~4))), 1370#(<= 336 (+ ULTIMATE.start_main_~x~4 (* 9 ULTIMATE.start_main_~y~4))), 1371#(<= 368 (+ ULTIMATE.start_main_~x~4 (* 8 ULTIMATE.start_main_~y~4))), 1372#(<= 396 (+ ULTIMATE.start_main_~x~4 (* 7 ULTIMATE.start_main_~y~4))), 1373#(<= 420 (+ ULTIMATE.start_main_~x~4 (* 6 ULTIMATE.start_main_~y~4))), 1374#(<= 440 (+ ULTIMATE.start_main_~x~4 (* 5 ULTIMATE.start_main_~y~4))), 1375#(<= 456 (+ ULTIMATE.start_main_~x~4 (* 4 ULTIMATE.start_main_~y~4)))] [2018-07-23 13:41:06,295 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 13:41:06,296 INFO L450 AbstractCegarLoop]: Interpolant automaton has 18 states [2018-07-23 13:41:06,296 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 18 interpolants. [2018-07-23 13:41:06,296 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=33, Invalid=273, Unknown=0, NotChecked=0, Total=306 [2018-07-23 13:41:06,297 INFO L87 Difference]: Start difference. First operand 33 states and 33 transitions. Second operand 18 states. [2018-07-23 13:41:06,486 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-07-23 13:41:06,486 INFO L93 Difference]: Finished difference Result 38 states and 38 transitions. [2018-07-23 13:41:06,487 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. [2018-07-23 13:41:06,487 INFO L78 Accepts]: Start accepts. Automaton has 18 states. Word has length 32 [2018-07-23 13:41:06,488 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-07-23 13:41:06,488 INFO L225 Difference]: With dead ends: 38 [2018-07-23 13:41:06,488 INFO L226 Difference]: Without dead ends: 36 [2018-07-23 13:41:06,489 INFO L575 BasicCegarLoop]: 0 DeclaredPredicates, 17 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 16 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=33, Invalid=273, Unknown=0, NotChecked=0, Total=306 [2018-07-23 13:41:06,489 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 36 states. [2018-07-23 13:41:06,500 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 36 to 35. [2018-07-23 13:41:06,502 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 35 states. [2018-07-23 13:41:06,503 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 35 states to 35 states and 35 transitions. [2018-07-23 13:41:06,503 INFO L78 Accepts]: Start accepts. Automaton has 35 states and 35 transitions. Word has length 32 [2018-07-23 13:41:06,503 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-07-23 13:41:06,503 INFO L471 AbstractCegarLoop]: Abstraction has 35 states and 35 transitions. [2018-07-23 13:41:06,503 INFO L472 AbstractCegarLoop]: Interpolant automaton has 18 states. [2018-07-23 13:41:06,504 INFO L276 IsEmpty]: Start isEmpty. Operand 35 states and 35 transitions. [2018-07-23 13:41:06,504 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 35 [2018-07-23 13:41:06,505 INFO L349 BasicCegarLoop]: Found error trace [2018-07-23 13:41:06,505 INFO L357 BasicCegarLoop]: trace histogram [16, 15, 1, 1, 1] [2018-07-23 13:41:06,506 INFO L414 AbstractCegarLoop]: === Iteration 16 === [ULTIMATE.startErr0AssertViolationASSERT]=== [2018-07-23 13:41:06,507 INFO L82 PathProgramCache]: Analyzing trace with hash -256536399, now seen corresponding path program 15 times [2018-07-23 13:41:06,507 INFO L69 tionRefinementEngine]: Using refinement strategy FixedRefinementStrategy [2018-07-23 13:41:06,527 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-07-23 13:41:06,663 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 13:41:06,663 INFO L309 seRefinementStrategy]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2018-07-23 13:41:06,664 INFO L324 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [18] total 18 [2018-07-23 13:41:06,664 INFO L142 lantAutomatonBuilder]: Constructing canonical interpolant automaton, with selfloop in false state [2018-07-23 13:41:06,664 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-07-23 13:41:06,665 INFO L185 omatonBuilderFactory]: Interpolants [1536#(<= 432 (+ ULTIMATE.start_main_~x~4 (* 8 ULTIMATE.start_main_~y~4))), 1537#(<= 460 (+ ULTIMATE.start_main_~x~4 (* 7 ULTIMATE.start_main_~y~4))), 1538#(<= 484 (+ ULTIMATE.start_main_~x~4 (* 6 ULTIMATE.start_main_~y~4))), 1539#(<= 504 (+ ULTIMATE.start_main_~x~4 (* 5 ULTIMATE.start_main_~y~4))), 1540#(<= 520 (+ ULTIMATE.start_main_~x~4 (* 4 ULTIMATE.start_main_~y~4))), 1541#(<= 532 (+ ULTIMATE.start_main_~x~4 (* 3 ULTIMATE.start_main_~y~4))), 1542#(<= 540 (+ ULTIMATE.start_main_~x~4 (* 2 ULTIMATE.start_main_~y~4))), 1543#(<= 544 (+ ULTIMATE.start_main_~x~4 ULTIMATE.start_main_~y~4)), 1544#(<= 1 ULTIMATE.start___VERIFIER_assert_~cond), 1526#true, 1527#false, 1528#(<= 64 (+ ULTIMATE.start_main_~x~4 (* 16 ULTIMATE.start_main_~y~4))), 1529#(<= 124 (+ ULTIMATE.start_main_~x~4 (* 15 ULTIMATE.start_main_~y~4))), 1530#(<= 180 (+ ULTIMATE.start_main_~x~4 (* 14 ULTIMATE.start_main_~y~4))), 1531#(<= 232 (+ ULTIMATE.start_main_~x~4 (* 13 ULTIMATE.start_main_~y~4))), 1532#(<= 280 (+ ULTIMATE.start_main_~x~4 (* 12 ULTIMATE.start_main_~y~4))), 1533#(<= 324 (+ ULTIMATE.start_main_~x~4 (* 11 ULTIMATE.start_main_~y~4))), 1534#(<= 364 (+ ULTIMATE.start_main_~x~4 (* 10 ULTIMATE.start_main_~y~4))), 1535#(<= 400 (+ ULTIMATE.start_main_~x~4 (* 9 ULTIMATE.start_main_~y~4)))] [2018-07-23 13:41:06,665 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 13:41:06,666 INFO L450 AbstractCegarLoop]: Interpolant automaton has 19 states [2018-07-23 13:41:06,666 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 19 interpolants. [2018-07-23 13:41:06,666 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=35, Invalid=307, Unknown=0, NotChecked=0, Total=342 [2018-07-23 13:41:06,667 INFO L87 Difference]: Start difference. First operand 35 states and 35 transitions. Second operand 19 states. [2018-07-23 13:41:06,867 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-07-23 13:41:06,867 INFO L93 Difference]: Finished difference Result 40 states and 40 transitions. [2018-07-23 13:41:06,867 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 19 states. [2018-07-23 13:41:06,867 INFO L78 Accepts]: Start accepts. Automaton has 19 states. Word has length 34 [2018-07-23 13:41:06,868 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-07-23 13:41:06,868 INFO L225 Difference]: With dead ends: 40 [2018-07-23 13:41:06,868 INFO L226 Difference]: Without dead ends: 38 [2018-07-23 13:41:06,869 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 13:41:06,877 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 38 states. [2018-07-23 13:41:06,891 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 38 to 37. [2018-07-23 13:41:06,891 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 37 states. [2018-07-23 13:41:06,892 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 37 states to 37 states and 37 transitions. [2018-07-23 13:41:06,892 INFO L78 Accepts]: Start accepts. Automaton has 37 states and 37 transitions. Word has length 34 [2018-07-23 13:41:06,893 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-07-23 13:41:06,893 INFO L471 AbstractCegarLoop]: Abstraction has 37 states and 37 transitions. [2018-07-23 13:41:06,893 INFO L472 AbstractCegarLoop]: Interpolant automaton has 19 states. [2018-07-23 13:41:06,893 INFO L276 IsEmpty]: Start isEmpty. Operand 37 states and 37 transitions. [2018-07-23 13:41:06,894 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 37 [2018-07-23 13:41:06,894 INFO L349 BasicCegarLoop]: Found error trace [2018-07-23 13:41:06,894 INFO L357 BasicCegarLoop]: trace histogram [17, 16, 1, 1, 1] [2018-07-23 13:41:06,895 INFO L414 AbstractCegarLoop]: === Iteration 17 === [ULTIMATE.startErr0AssertViolationASSERT]=== [2018-07-23 13:41:06,895 INFO L82 PathProgramCache]: Analyzing trace with hash -1718396869, now seen corresponding path program 16 times [2018-07-23 13:41:06,895 INFO L69 tionRefinementEngine]: Using refinement strategy FixedRefinementStrategy [2018-07-23 13:41:06,915 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-07-23 13:41:07,092 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 13:41:07,096 INFO L309 seRefinementStrategy]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2018-07-23 13:41:07,096 INFO L324 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [19] total 19 [2018-07-23 13:41:07,096 INFO L142 lantAutomatonBuilder]: Constructing canonical interpolant automaton, with selfloop in false state [2018-07-23 13:41:07,096 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-07-23 13:41:07,097 INFO L185 omatonBuilderFactory]: Interpolants [1699#true, 1700#false, 1701#(<= 68 (+ ULTIMATE.start_main_~x~4 (* 17 ULTIMATE.start_main_~y~4))), 1702#(<= 132 (+ ULTIMATE.start_main_~x~4 (* 16 ULTIMATE.start_main_~y~4))), 1703#(<= 192 (+ ULTIMATE.start_main_~x~4 (* 15 ULTIMATE.start_main_~y~4))), 1704#(<= 248 (+ ULTIMATE.start_main_~x~4 (* 14 ULTIMATE.start_main_~y~4))), 1705#(<= 300 (+ ULTIMATE.start_main_~x~4 (* 13 ULTIMATE.start_main_~y~4))), 1706#(<= 348 (+ ULTIMATE.start_main_~x~4 (* 12 ULTIMATE.start_main_~y~4))), 1707#(<= 392 (+ ULTIMATE.start_main_~x~4 (* 11 ULTIMATE.start_main_~y~4))), 1708#(<= 432 (+ ULTIMATE.start_main_~x~4 (* 10 ULTIMATE.start_main_~y~4))), 1709#(<= 468 (+ ULTIMATE.start_main_~x~4 (* 9 ULTIMATE.start_main_~y~4))), 1710#(<= 500 (+ ULTIMATE.start_main_~x~4 (* 8 ULTIMATE.start_main_~y~4))), 1711#(<= 528 (+ ULTIMATE.start_main_~x~4 (* 7 ULTIMATE.start_main_~y~4))), 1712#(<= 552 (+ ULTIMATE.start_main_~x~4 (* 6 ULTIMATE.start_main_~y~4))), 1713#(<= 572 (+ ULTIMATE.start_main_~x~4 (* 5 ULTIMATE.start_main_~y~4))), 1714#(<= 588 (+ ULTIMATE.start_main_~x~4 (* 4 ULTIMATE.start_main_~y~4))), 1715#(<= 600 (+ ULTIMATE.start_main_~x~4 (* 3 ULTIMATE.start_main_~y~4))), 1716#(<= 608 (+ ULTIMATE.start_main_~x~4 (* 2 ULTIMATE.start_main_~y~4))), 1717#(<= 612 (+ ULTIMATE.start_main_~x~4 ULTIMATE.start_main_~y~4)), 1718#(<= 1 ULTIMATE.start___VERIFIER_assert_~cond)] [2018-07-23 13:41:07,097 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 13:41:07,098 INFO L450 AbstractCegarLoop]: Interpolant automaton has 20 states [2018-07-23 13:41:07,098 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 20 interpolants. [2018-07-23 13:41:07,098 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=37, Invalid=343, Unknown=0, NotChecked=0, Total=380 [2018-07-23 13:41:07,098 INFO L87 Difference]: Start difference. First operand 37 states and 37 transitions. Second operand 20 states. [2018-07-23 13:41:07,339 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-07-23 13:41:07,340 INFO L93 Difference]: Finished difference Result 42 states and 42 transitions. [2018-07-23 13:41:07,340 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 20 states. [2018-07-23 13:41:07,340 INFO L78 Accepts]: Start accepts. Automaton has 20 states. Word has length 36 [2018-07-23 13:41:07,340 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-07-23 13:41:07,341 INFO L225 Difference]: With dead ends: 42 [2018-07-23 13:41:07,341 INFO L226 Difference]: Without dead ends: 40 [2018-07-23 13:41:07,342 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 13:41:07,342 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 40 states. [2018-07-23 13:41:07,363 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 40 to 39. [2018-07-23 13:41:07,363 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 39 states. [2018-07-23 13:41:07,364 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 39 states to 39 states and 39 transitions. [2018-07-23 13:41:07,364 INFO L78 Accepts]: Start accepts. Automaton has 39 states and 39 transitions. Word has length 36 [2018-07-23 13:41:07,364 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-07-23 13:41:07,364 INFO L471 AbstractCegarLoop]: Abstraction has 39 states and 39 transitions. [2018-07-23 13:41:07,365 INFO L472 AbstractCegarLoop]: Interpolant automaton has 20 states. [2018-07-23 13:41:07,365 INFO L276 IsEmpty]: Start isEmpty. Operand 39 states and 39 transitions. [2018-07-23 13:41:07,365 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 39 [2018-07-23 13:41:07,365 INFO L349 BasicCegarLoop]: Found error trace [2018-07-23 13:41:07,366 INFO L357 BasicCegarLoop]: trace histogram [18, 17, 1, 1, 1] [2018-07-23 13:41:07,366 INFO L414 AbstractCegarLoop]: === Iteration 18 === [ULTIMATE.startErr0AssertViolationASSERT]=== [2018-07-23 13:41:07,366 INFO L82 PathProgramCache]: Analyzing trace with hash -2112002747, now seen corresponding path program 17 times [2018-07-23 13:41:07,367 INFO L69 tionRefinementEngine]: Using refinement strategy FixedRefinementStrategy [2018-07-23 13:41:07,388 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-07-23 13:41:07,522 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 13:41:07,522 INFO L309 seRefinementStrategy]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2018-07-23 13:41:07,522 INFO L324 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [20] total 20 [2018-07-23 13:41:07,523 INFO L142 lantAutomatonBuilder]: Constructing canonical interpolant automaton, with selfloop in false state [2018-07-23 13:41:07,523 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-07-23 13:41:07,523 INFO L185 omatonBuilderFactory]: Interpolants [1888#(<= 372 (+ ULTIMATE.start_main_~x~4 (* 13 ULTIMATE.start_main_~y~4))), 1889#(<= 420 (+ ULTIMATE.start_main_~x~4 (* 12 ULTIMATE.start_main_~y~4))), 1890#(<= 464 (+ ULTIMATE.start_main_~x~4 (* 11 ULTIMATE.start_main_~y~4))), 1891#(<= 504 (+ ULTIMATE.start_main_~x~4 (* 10 ULTIMATE.start_main_~y~4))), 1892#(<= 540 (+ ULTIMATE.start_main_~x~4 (* 9 ULTIMATE.start_main_~y~4))), 1893#(<= 572 (+ ULTIMATE.start_main_~x~4 (* 8 ULTIMATE.start_main_~y~4))), 1894#(<= 600 (+ ULTIMATE.start_main_~x~4 (* 7 ULTIMATE.start_main_~y~4))), 1895#(<= 624 (+ ULTIMATE.start_main_~x~4 (* 6 ULTIMATE.start_main_~y~4))), 1896#(<= 644 (+ ULTIMATE.start_main_~x~4 (* 5 ULTIMATE.start_main_~y~4))), 1897#(<= 660 (+ ULTIMATE.start_main_~x~4 (* 4 ULTIMATE.start_main_~y~4))), 1898#(<= 672 (+ ULTIMATE.start_main_~x~4 (* 3 ULTIMATE.start_main_~y~4))), 1899#(<= 680 (+ ULTIMATE.start_main_~x~4 (* 2 ULTIMATE.start_main_~y~4))), 1900#(<= 684 (+ ULTIMATE.start_main_~x~4 ULTIMATE.start_main_~y~4)), 1901#(<= 1 ULTIMATE.start___VERIFIER_assert_~cond), 1881#true, 1882#false, 1883#(<= 72 (+ ULTIMATE.start_main_~x~4 (* 18 ULTIMATE.start_main_~y~4))), 1884#(<= 140 (+ ULTIMATE.start_main_~x~4 (* 17 ULTIMATE.start_main_~y~4))), 1885#(<= 204 (+ ULTIMATE.start_main_~x~4 (* 16 ULTIMATE.start_main_~y~4))), 1886#(<= 264 (+ ULTIMATE.start_main_~x~4 (* 15 ULTIMATE.start_main_~y~4))), 1887#(<= 320 (+ ULTIMATE.start_main_~x~4 (* 14 ULTIMATE.start_main_~y~4)))] [2018-07-23 13:41:07,524 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 13:41:07,524 INFO L450 AbstractCegarLoop]: Interpolant automaton has 21 states [2018-07-23 13:41:07,525 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 21 interpolants. [2018-07-23 13:41:07,525 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=39, Invalid=381, Unknown=0, NotChecked=0, Total=420 [2018-07-23 13:41:07,525 INFO L87 Difference]: Start difference. First operand 39 states and 39 transitions. Second operand 21 states. [2018-07-23 13:41:07,726 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-07-23 13:41:07,726 INFO L93 Difference]: Finished difference Result 44 states and 44 transitions. [2018-07-23 13:41:07,727 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2018-07-23 13:41:07,727 INFO L78 Accepts]: Start accepts. Automaton has 21 states. Word has length 38 [2018-07-23 13:41:07,727 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-07-23 13:41:07,728 INFO L225 Difference]: With dead ends: 44 [2018-07-23 13:41:07,728 INFO L226 Difference]: Without dead ends: 42 [2018-07-23 13:41:07,728 INFO L575 BasicCegarLoop]: 0 DeclaredPredicates, 20 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 19 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=39, Invalid=381, Unknown=0, NotChecked=0, Total=420 [2018-07-23 13:41:07,729 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 42 states. [2018-07-23 13:41:07,738 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 42 to 41. [2018-07-23 13:41:07,738 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 41 states. [2018-07-23 13:41:07,739 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 41 states to 41 states and 41 transitions. [2018-07-23 13:41:07,739 INFO L78 Accepts]: Start accepts. Automaton has 41 states and 41 transitions. Word has length 38 [2018-07-23 13:41:07,739 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-07-23 13:41:07,739 INFO L471 AbstractCegarLoop]: Abstraction has 41 states and 41 transitions. [2018-07-23 13:41:07,740 INFO L472 AbstractCegarLoop]: Interpolant automaton has 21 states. [2018-07-23 13:41:07,740 INFO L276 IsEmpty]: Start isEmpty. Operand 41 states and 41 transitions. [2018-07-23 13:41:07,740 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 41 [2018-07-23 13:41:07,740 INFO L349 BasicCegarLoop]: Found error trace [2018-07-23 13:41:07,741 INFO L357 BasicCegarLoop]: trace histogram [19, 18, 1, 1, 1] [2018-07-23 13:41:07,741 INFO L414 AbstractCegarLoop]: === Iteration 19 === [ULTIMATE.startErr0AssertViolationASSERT]=== [2018-07-23 13:41:07,741 INFO L82 PathProgramCache]: Analyzing trace with hash 1884837839, now seen corresponding path program 18 times [2018-07-23 13:41:07,741 INFO L69 tionRefinementEngine]: Using refinement strategy FixedRefinementStrategy [2018-07-23 13:41:07,758 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-07-23 13:41:07,885 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 13:41:07,886 INFO L309 seRefinementStrategy]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2018-07-23 13:41:07,886 INFO L324 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [21] total 21 [2018-07-23 13:41:07,886 INFO L142 lantAutomatonBuilder]: Constructing canonical interpolant automaton, with selfloop in false state [2018-07-23 13:41:07,886 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-07-23 13:41:07,887 INFO L185 omatonBuilderFactory]: Interpolants [2080#(<= 448 (+ ULTIMATE.start_main_~x~4 (* 13 ULTIMATE.start_main_~y~4))), 2081#(<= 496 (+ ULTIMATE.start_main_~x~4 (* 12 ULTIMATE.start_main_~y~4))), 2082#(<= 540 (+ ULTIMATE.start_main_~x~4 (* 11 ULTIMATE.start_main_~y~4))), 2083#(<= 580 (+ ULTIMATE.start_main_~x~4 (* 10 ULTIMATE.start_main_~y~4))), 2084#(<= 616 (+ ULTIMATE.start_main_~x~4 (* 9 ULTIMATE.start_main_~y~4))), 2085#(<= 648 (+ ULTIMATE.start_main_~x~4 (* 8 ULTIMATE.start_main_~y~4))), 2086#(<= 676 (+ ULTIMATE.start_main_~x~4 (* 7 ULTIMATE.start_main_~y~4))), 2087#(<= 700 (+ ULTIMATE.start_main_~x~4 (* 6 ULTIMATE.start_main_~y~4))), 2088#(<= 720 (+ ULTIMATE.start_main_~x~4 (* 5 ULTIMATE.start_main_~y~4))), 2089#(<= 736 (+ ULTIMATE.start_main_~x~4 (* 4 ULTIMATE.start_main_~y~4))), 2090#(<= 748 (+ ULTIMATE.start_main_~x~4 (* 3 ULTIMATE.start_main_~y~4))), 2091#(<= 756 (+ ULTIMATE.start_main_~x~4 (* 2 ULTIMATE.start_main_~y~4))), 2092#(<= 760 (+ ULTIMATE.start_main_~x~4 ULTIMATE.start_main_~y~4)), 2093#(<= 1 ULTIMATE.start___VERIFIER_assert_~cond), 2072#true, 2073#false, 2074#(<= 76 (+ ULTIMATE.start_main_~x~4 (* 19 ULTIMATE.start_main_~y~4))), 2075#(<= 148 (+ ULTIMATE.start_main_~x~4 (* 18 ULTIMATE.start_main_~y~4))), 2076#(<= 216 (+ ULTIMATE.start_main_~x~4 (* 17 ULTIMATE.start_main_~y~4))), 2077#(<= 280 (+ ULTIMATE.start_main_~x~4 (* 16 ULTIMATE.start_main_~y~4))), 2078#(<= 340 (+ ULTIMATE.start_main_~x~4 (* 15 ULTIMATE.start_main_~y~4))), 2079#(<= 396 (+ ULTIMATE.start_main_~x~4 (* 14 ULTIMATE.start_main_~y~4)))] [2018-07-23 13:41:07,887 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 13:41:07,888 INFO L450 AbstractCegarLoop]: Interpolant automaton has 22 states [2018-07-23 13:41:07,888 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 22 interpolants. [2018-07-23 13:41:07,888 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=41, Invalid=421, Unknown=0, NotChecked=0, Total=462 [2018-07-23 13:41:07,889 INFO L87 Difference]: Start difference. First operand 41 states and 41 transitions. Second operand 22 states. [2018-07-23 13:41:08,098 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-07-23 13:41:08,099 INFO L93 Difference]: Finished difference Result 46 states and 46 transitions. [2018-07-23 13:41:08,099 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 22 states. [2018-07-23 13:41:08,099 INFO L78 Accepts]: Start accepts. Automaton has 22 states. Word has length 40 [2018-07-23 13:41:08,100 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-07-23 13:41:08,101 INFO L225 Difference]: With dead ends: 46 [2018-07-23 13:41:08,101 INFO L226 Difference]: Without dead ends: 44 [2018-07-23 13:41:08,102 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 13:41:08,102 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 44 states. [2018-07-23 13:41:08,116 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 44 to 43. [2018-07-23 13:41:08,116 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 43 states. [2018-07-23 13:41:08,117 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 43 states to 43 states and 43 transitions. [2018-07-23 13:41:08,117 INFO L78 Accepts]: Start accepts. Automaton has 43 states and 43 transitions. Word has length 40 [2018-07-23 13:41:08,117 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-07-23 13:41:08,117 INFO L471 AbstractCegarLoop]: Abstraction has 43 states and 43 transitions. [2018-07-23 13:41:08,117 INFO L472 AbstractCegarLoop]: Interpolant automaton has 22 states. [2018-07-23 13:41:08,118 INFO L276 IsEmpty]: Start isEmpty. Operand 43 states and 43 transitions. [2018-07-23 13:41:08,118 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 43 [2018-07-23 13:41:08,119 INFO L349 BasicCegarLoop]: Found error trace [2018-07-23 13:41:08,119 INFO L357 BasicCegarLoop]: trace histogram [20, 19, 1, 1, 1] [2018-07-23 13:41:08,120 INFO L414 AbstractCegarLoop]: === Iteration 20 === [ULTIMATE.startErr0AssertViolationASSERT]=== [2018-07-23 13:41:08,120 INFO L82 PathProgramCache]: Analyzing trace with hash -1147088935, now seen corresponding path program 19 times [2018-07-23 13:41:08,120 INFO L69 tionRefinementEngine]: Using refinement strategy FixedRefinementStrategy [2018-07-23 13:41:08,137 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-07-23 13:41:08,276 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 13:41:08,276 INFO L309 seRefinementStrategy]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2018-07-23 13:41:08,276 INFO L324 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [22] total 22 [2018-07-23 13:41:08,276 INFO L142 lantAutomatonBuilder]: Constructing canonical interpolant automaton, with selfloop in false state [2018-07-23 13:41:08,277 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-07-23 13:41:08,279 INFO L185 omatonBuilderFactory]: Interpolants [2272#true, 2273#false, 2274#(<= 80 (+ ULTIMATE.start_main_~x~4 (* 20 ULTIMATE.start_main_~y~4))), 2275#(<= 156 (+ ULTIMATE.start_main_~x~4 (* 19 ULTIMATE.start_main_~y~4))), 2276#(<= 228 (+ ULTIMATE.start_main_~x~4 (* 18 ULTIMATE.start_main_~y~4))), 2277#(<= 296 (+ ULTIMATE.start_main_~x~4 (* 17 ULTIMATE.start_main_~y~4))), 2278#(<= 360 (+ ULTIMATE.start_main_~x~4 (* 16 ULTIMATE.start_main_~y~4))), 2279#(<= 420 (+ ULTIMATE.start_main_~x~4 (* 15 ULTIMATE.start_main_~y~4))), 2280#(<= 476 (+ ULTIMATE.start_main_~x~4 (* 14 ULTIMATE.start_main_~y~4))), 2281#(<= 528 (+ ULTIMATE.start_main_~x~4 (* 13 ULTIMATE.start_main_~y~4))), 2282#(<= 576 (+ ULTIMATE.start_main_~x~4 (* 12 ULTIMATE.start_main_~y~4))), 2283#(<= 620 (+ ULTIMATE.start_main_~x~4 (* 11 ULTIMATE.start_main_~y~4))), 2284#(<= 660 (+ ULTIMATE.start_main_~x~4 (* 10 ULTIMATE.start_main_~y~4))), 2285#(<= 696 (+ ULTIMATE.start_main_~x~4 (* 9 ULTIMATE.start_main_~y~4))), 2286#(<= 728 (+ ULTIMATE.start_main_~x~4 (* 8 ULTIMATE.start_main_~y~4))), 2287#(<= 756 (+ ULTIMATE.start_main_~x~4 (* 7 ULTIMATE.start_main_~y~4))), 2288#(<= 780 (+ ULTIMATE.start_main_~x~4 (* 6 ULTIMATE.start_main_~y~4))), 2289#(<= 800 (+ ULTIMATE.start_main_~x~4 (* 5 ULTIMATE.start_main_~y~4))), 2290#(<= 816 (+ ULTIMATE.start_main_~x~4 (* 4 ULTIMATE.start_main_~y~4))), 2291#(<= 828 (+ ULTIMATE.start_main_~x~4 (* 3 ULTIMATE.start_main_~y~4))), 2292#(<= 836 (+ ULTIMATE.start_main_~x~4 (* 2 ULTIMATE.start_main_~y~4))), 2293#(<= 840 (+ ULTIMATE.start_main_~x~4 ULTIMATE.start_main_~y~4)), 2294#(<= 1 ULTIMATE.start___VERIFIER_assert_~cond)] [2018-07-23 13:41:08,280 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 13:41:08,280 INFO L450 AbstractCegarLoop]: Interpolant automaton has 23 states [2018-07-23 13:41:08,281 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 23 interpolants. [2018-07-23 13:41:08,281 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=43, Invalid=463, Unknown=0, NotChecked=0, Total=506 [2018-07-23 13:41:08,281 INFO L87 Difference]: Start difference. First operand 43 states and 43 transitions. Second operand 23 states. [2018-07-23 13:41:08,510 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-07-23 13:41:08,510 INFO L93 Difference]: Finished difference Result 48 states and 48 transitions. [2018-07-23 13:41:08,510 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 23 states. [2018-07-23 13:41:08,511 INFO L78 Accepts]: Start accepts. Automaton has 23 states. Word has length 42 [2018-07-23 13:41:08,511 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-07-23 13:41:08,511 INFO L225 Difference]: With dead ends: 48 [2018-07-23 13:41:08,511 INFO L226 Difference]: Without dead ends: 46 [2018-07-23 13:41:08,512 INFO L575 BasicCegarLoop]: 0 DeclaredPredicates, 22 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 21 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=43, Invalid=463, Unknown=0, NotChecked=0, Total=506 [2018-07-23 13:41:08,512 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 46 states. [2018-07-23 13:41:08,535 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 46 to 45. [2018-07-23 13:41:08,537 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 45 states. [2018-07-23 13:41:08,537 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 45 states to 45 states and 45 transitions. [2018-07-23 13:41:08,539 INFO L78 Accepts]: Start accepts. Automaton has 45 states and 45 transitions. Word has length 42 [2018-07-23 13:41:08,540 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-07-23 13:41:08,540 INFO L471 AbstractCegarLoop]: Abstraction has 45 states and 45 transitions. [2018-07-23 13:41:08,540 INFO L472 AbstractCegarLoop]: Interpolant automaton has 23 states. [2018-07-23 13:41:08,540 INFO L276 IsEmpty]: Start isEmpty. Operand 45 states and 45 transitions. [2018-07-23 13:41:08,540 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 45 [2018-07-23 13:41:08,540 INFO L349 BasicCegarLoop]: Found error trace [2018-07-23 13:41:08,541 INFO L357 BasicCegarLoop]: trace histogram [21, 20, 1, 1, 1] [2018-07-23 13:41:08,541 INFO L414 AbstractCegarLoop]: === Iteration 21 === [ULTIMATE.startErr0AssertViolationASSERT]=== [2018-07-23 13:41:08,543 INFO L82 PathProgramCache]: Analyzing trace with hash 1454075235, now seen corresponding path program 20 times [2018-07-23 13:41:08,543 INFO L69 tionRefinementEngine]: Using refinement strategy FixedRefinementStrategy [2018-07-23 13:41:08,562 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-07-23 13:41:08,725 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 13:41:08,725 INFO L309 seRefinementStrategy]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2018-07-23 13:41:08,725 INFO L324 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [23] total 23 [2018-07-23 13:41:08,725 INFO L142 lantAutomatonBuilder]: Constructing canonical interpolant automaton, with selfloop in false state [2018-07-23 13:41:08,726 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-07-23 13:41:08,726 INFO L185 omatonBuilderFactory]: Interpolants [2496#(<= 812 (+ ULTIMATE.start_main_~x~4 (* 8 ULTIMATE.start_main_~y~4))), 2497#(<= 840 (+ ULTIMATE.start_main_~x~4 (* 7 ULTIMATE.start_main_~y~4))), 2498#(<= 864 (+ ULTIMATE.start_main_~x~4 (* 6 ULTIMATE.start_main_~y~4))), 2499#(<= 884 (+ ULTIMATE.start_main_~x~4 (* 5 ULTIMATE.start_main_~y~4))), 2500#(<= 900 (+ ULTIMATE.start_main_~x~4 (* 4 ULTIMATE.start_main_~y~4))), 2501#(<= 912 (+ ULTIMATE.start_main_~x~4 (* 3 ULTIMATE.start_main_~y~4))), 2502#(<= 920 (+ ULTIMATE.start_main_~x~4 (* 2 ULTIMATE.start_main_~y~4))), 2503#(<= 924 (+ ULTIMATE.start_main_~x~4 ULTIMATE.start_main_~y~4)), 2504#(<= 1 ULTIMATE.start___VERIFIER_assert_~cond), 2481#true, 2482#false, 2483#(<= 84 (+ ULTIMATE.start_main_~x~4 (* 21 ULTIMATE.start_main_~y~4))), 2484#(<= 164 (+ ULTIMATE.start_main_~x~4 (* 20 ULTIMATE.start_main_~y~4))), 2485#(<= 240 (+ ULTIMATE.start_main_~x~4 (* 19 ULTIMATE.start_main_~y~4))), 2486#(<= 312 (+ ULTIMATE.start_main_~x~4 (* 18 ULTIMATE.start_main_~y~4))), 2487#(<= 380 (+ ULTIMATE.start_main_~x~4 (* 17 ULTIMATE.start_main_~y~4))), 2488#(<= 444 (+ ULTIMATE.start_main_~x~4 (* 16 ULTIMATE.start_main_~y~4))), 2489#(<= 504 (+ ULTIMATE.start_main_~x~4 (* 15 ULTIMATE.start_main_~y~4))), 2490#(<= 560 (+ ULTIMATE.start_main_~x~4 (* 14 ULTIMATE.start_main_~y~4))), 2491#(<= 612 (+ ULTIMATE.start_main_~x~4 (* 13 ULTIMATE.start_main_~y~4))), 2492#(<= 660 (+ ULTIMATE.start_main_~x~4 (* 12 ULTIMATE.start_main_~y~4))), 2493#(<= 704 (+ ULTIMATE.start_main_~x~4 (* 11 ULTIMATE.start_main_~y~4))), 2494#(<= 744 (+ ULTIMATE.start_main_~x~4 (* 10 ULTIMATE.start_main_~y~4))), 2495#(<= 780 (+ ULTIMATE.start_main_~x~4 (* 9 ULTIMATE.start_main_~y~4)))] [2018-07-23 13:41:08,727 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 13:41:08,727 INFO L450 AbstractCegarLoop]: Interpolant automaton has 24 states [2018-07-23 13:41:08,727 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 24 interpolants. [2018-07-23 13:41:08,728 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=45, Invalid=507, Unknown=0, NotChecked=0, Total=552 [2018-07-23 13:41:08,728 INFO L87 Difference]: Start difference. First operand 45 states and 45 transitions. Second operand 24 states. [2018-07-23 13:41:08,984 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-07-23 13:41:08,984 INFO L93 Difference]: Finished difference Result 50 states and 50 transitions. [2018-07-23 13:41:08,984 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 24 states. [2018-07-23 13:41:08,984 INFO L78 Accepts]: Start accepts. Automaton has 24 states. Word has length 44 [2018-07-23 13:41:08,985 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-07-23 13:41:08,985 INFO L225 Difference]: With dead ends: 50 [2018-07-23 13:41:08,985 INFO L226 Difference]: Without dead ends: 48 [2018-07-23 13:41:08,986 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 13:41:08,986 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 48 states. [2018-07-23 13:41:09,004 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 48 to 47. [2018-07-23 13:41:09,004 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 47 states. [2018-07-23 13:41:09,005 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 47 states to 47 states and 47 transitions. [2018-07-23 13:41:09,005 INFO L78 Accepts]: Start accepts. Automaton has 47 states and 47 transitions. Word has length 44 [2018-07-23 13:41:09,005 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-07-23 13:41:09,005 INFO L471 AbstractCegarLoop]: Abstraction has 47 states and 47 transitions. [2018-07-23 13:41:09,005 INFO L472 AbstractCegarLoop]: Interpolant automaton has 24 states. [2018-07-23 13:41:09,005 INFO L276 IsEmpty]: Start isEmpty. Operand 47 states and 47 transitions. [2018-07-23 13:41:09,006 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 47 [2018-07-23 13:41:09,006 INFO L349 BasicCegarLoop]: Found error trace [2018-07-23 13:41:09,006 INFO L357 BasicCegarLoop]: trace histogram [22, 21, 1, 1, 1] [2018-07-23 13:41:09,006 INFO L414 AbstractCegarLoop]: === Iteration 22 === [ULTIMATE.startErr0AssertViolationASSERT]=== [2018-07-23 13:41:09,007 INFO L82 PathProgramCache]: Analyzing trace with hash 1501876333, now seen corresponding path program 21 times [2018-07-23 13:41:09,007 INFO L69 tionRefinementEngine]: Using refinement strategy FixedRefinementStrategy [2018-07-23 13:41:09,031 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-07-23 13:41:09,189 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 13:41:09,189 INFO L309 seRefinementStrategy]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2018-07-23 13:41:09,189 INFO L324 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [24] total 24 [2018-07-23 13:41:09,189 INFO L142 lantAutomatonBuilder]: Constructing canonical interpolant automaton, with selfloop in false state [2018-07-23 13:41:09,190 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-07-23 13:41:09,190 INFO L185 omatonBuilderFactory]: Interpolants [2699#true, 2700#false, 2701#(<= 88 (+ ULTIMATE.start_main_~x~4 (* 22 ULTIMATE.start_main_~y~4))), 2702#(<= 172 (+ ULTIMATE.start_main_~x~4 (* 21 ULTIMATE.start_main_~y~4))), 2703#(<= 252 (+ ULTIMATE.start_main_~x~4 (* 20 ULTIMATE.start_main_~y~4))), 2704#(<= 328 (+ ULTIMATE.start_main_~x~4 (* 19 ULTIMATE.start_main_~y~4))), 2705#(<= 400 (+ ULTIMATE.start_main_~x~4 (* 18 ULTIMATE.start_main_~y~4))), 2706#(<= 468 (+ ULTIMATE.start_main_~x~4 (* 17 ULTIMATE.start_main_~y~4))), 2707#(<= 532 (+ ULTIMATE.start_main_~x~4 (* 16 ULTIMATE.start_main_~y~4))), 2708#(<= 592 (+ ULTIMATE.start_main_~x~4 (* 15 ULTIMATE.start_main_~y~4))), 2709#(<= 648 (+ ULTIMATE.start_main_~x~4 (* 14 ULTIMATE.start_main_~y~4))), 2710#(<= 700 (+ ULTIMATE.start_main_~x~4 (* 13 ULTIMATE.start_main_~y~4))), 2711#(<= 748 (+ ULTIMATE.start_main_~x~4 (* 12 ULTIMATE.start_main_~y~4))), 2712#(<= 792 (+ ULTIMATE.start_main_~x~4 (* 11 ULTIMATE.start_main_~y~4))), 2713#(<= 832 (+ ULTIMATE.start_main_~x~4 (* 10 ULTIMATE.start_main_~y~4))), 2714#(<= 868 (+ ULTIMATE.start_main_~x~4 (* 9 ULTIMATE.start_main_~y~4))), 2715#(<= 900 (+ ULTIMATE.start_main_~x~4 (* 8 ULTIMATE.start_main_~y~4))), 2716#(<= 928 (+ ULTIMATE.start_main_~x~4 (* 7 ULTIMATE.start_main_~y~4))), 2717#(<= 952 (+ ULTIMATE.start_main_~x~4 (* 6 ULTIMATE.start_main_~y~4))), 2718#(<= 972 (+ ULTIMATE.start_main_~x~4 (* 5 ULTIMATE.start_main_~y~4))), 2719#(<= 988 (+ ULTIMATE.start_main_~x~4 (* 4 ULTIMATE.start_main_~y~4))), 2720#(<= 1000 (+ ULTIMATE.start_main_~x~4 (* 3 ULTIMATE.start_main_~y~4))), 2721#(<= 1008 (+ ULTIMATE.start_main_~x~4 (* 2 ULTIMATE.start_main_~y~4))), 2722#(<= 1012 (+ ULTIMATE.start_main_~x~4 ULTIMATE.start_main_~y~4)), 2723#(<= 1 ULTIMATE.start___VERIFIER_assert_~cond)] [2018-07-23 13:41:09,191 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 13:41:09,191 INFO L450 AbstractCegarLoop]: Interpolant automaton has 25 states [2018-07-23 13:41:09,191 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 25 interpolants. [2018-07-23 13:41:09,192 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=47, Invalid=553, Unknown=0, NotChecked=0, Total=600 [2018-07-23 13:41:09,192 INFO L87 Difference]: Start difference. First operand 47 states and 47 transitions. Second operand 25 states. [2018-07-23 13:41:09,436 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-07-23 13:41:09,436 INFO L93 Difference]: Finished difference Result 52 states and 52 transitions. [2018-07-23 13:41:09,436 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 25 states. [2018-07-23 13:41:09,436 INFO L78 Accepts]: Start accepts. Automaton has 25 states. Word has length 46 [2018-07-23 13:41:09,437 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-07-23 13:41:09,437 INFO L225 Difference]: With dead ends: 52 [2018-07-23 13:41:09,437 INFO L226 Difference]: Without dead ends: 50 [2018-07-23 13:41:09,438 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 13:41:09,438 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 50 states. [2018-07-23 13:41:09,450 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 50 to 49. [2018-07-23 13:41:09,451 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 49 states. [2018-07-23 13:41:09,451 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 49 states to 49 states and 49 transitions. [2018-07-23 13:41:09,451 INFO L78 Accepts]: Start accepts. Automaton has 49 states and 49 transitions. Word has length 46 [2018-07-23 13:41:09,452 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-07-23 13:41:09,452 INFO L471 AbstractCegarLoop]: Abstraction has 49 states and 49 transitions. [2018-07-23 13:41:09,452 INFO L472 AbstractCegarLoop]: Interpolant automaton has 25 states. [2018-07-23 13:41:09,452 INFO L276 IsEmpty]: Start isEmpty. Operand 49 states and 49 transitions. [2018-07-23 13:41:09,452 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 49 [2018-07-23 13:41:09,453 INFO L349 BasicCegarLoop]: Found error trace [2018-07-23 13:41:09,453 INFO L357 BasicCegarLoop]: trace histogram [23, 22, 1, 1, 1] [2018-07-23 13:41:09,453 INFO L414 AbstractCegarLoop]: === Iteration 23 === [ULTIMATE.startErr0AssertViolationASSERT]=== [2018-07-23 13:41:09,453 INFO L82 PathProgramCache]: Analyzing trace with hash 194091255, now seen corresponding path program 22 times [2018-07-23 13:41:09,453 INFO L69 tionRefinementEngine]: Using refinement strategy FixedRefinementStrategy [2018-07-23 13:41:09,476 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-07-23 13:41:09,660 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 13:41:09,661 INFO L309 seRefinementStrategy]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2018-07-23 13:41:09,661 INFO L324 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [25] total 25 [2018-07-23 13:41:09,661 INFO L142 lantAutomatonBuilder]: Constructing canonical interpolant automaton, with selfloop in false state [2018-07-23 13:41:09,662 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-07-23 13:41:09,662 INFO L185 omatonBuilderFactory]: Interpolants [2944#(<= 1020 (+ ULTIMATE.start_main_~x~4 (* 7 ULTIMATE.start_main_~y~4))), 2945#(<= 1044 (+ ULTIMATE.start_main_~x~4 (* 6 ULTIMATE.start_main_~y~4))), 2946#(<= 1064 (+ ULTIMATE.start_main_~x~4 (* 5 ULTIMATE.start_main_~y~4))), 2947#(<= 1080 (+ ULTIMATE.start_main_~x~4 (* 4 ULTIMATE.start_main_~y~4))), 2948#(<= 1092 (+ ULTIMATE.start_main_~x~4 (* 3 ULTIMATE.start_main_~y~4))), 2949#(<= 1100 (+ ULTIMATE.start_main_~x~4 (* 2 ULTIMATE.start_main_~y~4))), 2950#(<= 1104 (+ ULTIMATE.start_main_~x~4 ULTIMATE.start_main_~y~4)), 2951#(<= 1 ULTIMATE.start___VERIFIER_assert_~cond), 2926#true, 2927#false, 2928#(<= 92 (+ ULTIMATE.start_main_~x~4 (* 23 ULTIMATE.start_main_~y~4))), 2929#(<= 180 (+ ULTIMATE.start_main_~x~4 (* 22 ULTIMATE.start_main_~y~4))), 2930#(<= 264 (+ ULTIMATE.start_main_~x~4 (* 21 ULTIMATE.start_main_~y~4))), 2931#(<= 344 (+ ULTIMATE.start_main_~x~4 (* 20 ULTIMATE.start_main_~y~4))), 2932#(<= 420 (+ ULTIMATE.start_main_~x~4 (* 19 ULTIMATE.start_main_~y~4))), 2933#(<= 492 (+ ULTIMATE.start_main_~x~4 (* 18 ULTIMATE.start_main_~y~4))), 2934#(<= 560 (+ ULTIMATE.start_main_~x~4 (* 17 ULTIMATE.start_main_~y~4))), 2935#(<= 624 (+ ULTIMATE.start_main_~x~4 (* 16 ULTIMATE.start_main_~y~4))), 2936#(<= 684 (+ ULTIMATE.start_main_~x~4 (* 15 ULTIMATE.start_main_~y~4))), 2937#(<= 740 (+ ULTIMATE.start_main_~x~4 (* 14 ULTIMATE.start_main_~y~4))), 2938#(<= 792 (+ ULTIMATE.start_main_~x~4 (* 13 ULTIMATE.start_main_~y~4))), 2939#(<= 840 (+ ULTIMATE.start_main_~x~4 (* 12 ULTIMATE.start_main_~y~4))), 2940#(<= 884 (+ ULTIMATE.start_main_~x~4 (* 11 ULTIMATE.start_main_~y~4))), 2941#(<= 924 (+ ULTIMATE.start_main_~x~4 (* 10 ULTIMATE.start_main_~y~4))), 2942#(<= 960 (+ ULTIMATE.start_main_~x~4 (* 9 ULTIMATE.start_main_~y~4))), 2943#(<= 992 (+ ULTIMATE.start_main_~x~4 (* 8 ULTIMATE.start_main_~y~4)))] [2018-07-23 13:41:09,663 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 13:41:09,663 INFO L450 AbstractCegarLoop]: Interpolant automaton has 26 states [2018-07-23 13:41:09,663 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 26 interpolants. [2018-07-23 13:41:09,664 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=49, Invalid=601, Unknown=0, NotChecked=0, Total=650 [2018-07-23 13:41:09,664 INFO L87 Difference]: Start difference. First operand 49 states and 49 transitions. Second operand 26 states. [2018-07-23 13:41:09,963 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-07-23 13:41:09,963 INFO L93 Difference]: Finished difference Result 54 states and 54 transitions. [2018-07-23 13:41:09,963 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 26 states. [2018-07-23 13:41:09,964 INFO L78 Accepts]: Start accepts. Automaton has 26 states. Word has length 48 [2018-07-23 13:41:09,964 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-07-23 13:41:09,964 INFO L225 Difference]: With dead ends: 54 [2018-07-23 13:41:09,965 INFO L226 Difference]: Without dead ends: 52 [2018-07-23 13:41:09,965 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 13:41:09,966 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 52 states. [2018-07-23 13:41:09,983 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 52 to 51. [2018-07-23 13:41:09,983 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 51 states. [2018-07-23 13:41:09,984 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 51 states to 51 states and 51 transitions. [2018-07-23 13:41:09,984 INFO L78 Accepts]: Start accepts. Automaton has 51 states and 51 transitions. Word has length 48 [2018-07-23 13:41:09,984 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-07-23 13:41:09,984 INFO L471 AbstractCegarLoop]: Abstraction has 51 states and 51 transitions. [2018-07-23 13:41:09,985 INFO L472 AbstractCegarLoop]: Interpolant automaton has 26 states. [2018-07-23 13:41:09,985 INFO L276 IsEmpty]: Start isEmpty. Operand 51 states and 51 transitions. [2018-07-23 13:41:09,985 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 51 [2018-07-23 13:41:09,985 INFO L349 BasicCegarLoop]: Found error trace [2018-07-23 13:41:09,986 INFO L357 BasicCegarLoop]: trace histogram [24, 23, 1, 1, 1] [2018-07-23 13:41:09,986 INFO L414 AbstractCegarLoop]: === Iteration 24 === [ULTIMATE.startErr0AssertViolationASSERT]=== [2018-07-23 13:41:09,986 INFO L82 PathProgramCache]: Analyzing trace with hash 1838049025, now seen corresponding path program 23 times [2018-07-23 13:41:09,986 INFO L69 tionRefinementEngine]: Using refinement strategy FixedRefinementStrategy [2018-07-23 13:41:10,041 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-07-23 13:41:10,247 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 13:41:10,247 INFO L309 seRefinementStrategy]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2018-07-23 13:41:10,247 INFO L324 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [26] total 26 [2018-07-23 13:41:10,247 INFO L142 lantAutomatonBuilder]: Constructing canonical interpolant automaton, with selfloop in false state [2018-07-23 13:41:10,248 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-07-23 13:41:10,248 INFO L185 omatonBuilderFactory]: Interpolants [3162#true, 3163#false, 3164#(<= 96 (+ ULTIMATE.start_main_~x~4 (* 24 ULTIMATE.start_main_~y~4))), 3165#(<= 188 (+ ULTIMATE.start_main_~x~4 (* 23 ULTIMATE.start_main_~y~4))), 3166#(<= 276 (+ ULTIMATE.start_main_~x~4 (* 22 ULTIMATE.start_main_~y~4))), 3167#(<= 360 (+ ULTIMATE.start_main_~x~4 (* 21 ULTIMATE.start_main_~y~4))), 3168#(<= 440 (+ ULTIMATE.start_main_~x~4 (* 20 ULTIMATE.start_main_~y~4))), 3169#(<= 516 (+ ULTIMATE.start_main_~x~4 (* 19 ULTIMATE.start_main_~y~4))), 3170#(<= 588 (+ ULTIMATE.start_main_~x~4 (* 18 ULTIMATE.start_main_~y~4))), 3171#(<= 656 (+ ULTIMATE.start_main_~x~4 (* 17 ULTIMATE.start_main_~y~4))), 3172#(<= 720 (+ ULTIMATE.start_main_~x~4 (* 16 ULTIMATE.start_main_~y~4))), 3173#(<= 780 (+ ULTIMATE.start_main_~x~4 (* 15 ULTIMATE.start_main_~y~4))), 3174#(<= 836 (+ ULTIMATE.start_main_~x~4 (* 14 ULTIMATE.start_main_~y~4))), 3175#(<= 888 (+ ULTIMATE.start_main_~x~4 (* 13 ULTIMATE.start_main_~y~4))), 3176#(<= 936 (+ ULTIMATE.start_main_~x~4 (* 12 ULTIMATE.start_main_~y~4))), 3177#(<= 980 (+ ULTIMATE.start_main_~x~4 (* 11 ULTIMATE.start_main_~y~4))), 3178#(<= 1020 (+ ULTIMATE.start_main_~x~4 (* 10 ULTIMATE.start_main_~y~4))), 3179#(<= 1056 (+ ULTIMATE.start_main_~x~4 (* 9 ULTIMATE.start_main_~y~4))), 3180#(<= 1088 (+ ULTIMATE.start_main_~x~4 (* 8 ULTIMATE.start_main_~y~4))), 3181#(<= 1116 (+ ULTIMATE.start_main_~x~4 (* 7 ULTIMATE.start_main_~y~4))), 3182#(<= 1140 (+ ULTIMATE.start_main_~x~4 (* 6 ULTIMATE.start_main_~y~4))), 3183#(<= 1160 (+ ULTIMATE.start_main_~x~4 (* 5 ULTIMATE.start_main_~y~4))), 3184#(<= 1176 (+ ULTIMATE.start_main_~x~4 (* 4 ULTIMATE.start_main_~y~4))), 3185#(<= 1188 (+ ULTIMATE.start_main_~x~4 (* 3 ULTIMATE.start_main_~y~4))), 3186#(<= 1196 (+ ULTIMATE.start_main_~x~4 (* 2 ULTIMATE.start_main_~y~4))), 3187#(<= 1200 (+ ULTIMATE.start_main_~x~4 ULTIMATE.start_main_~y~4)), 3188#(<= 1 ULTIMATE.start___VERIFIER_assert_~cond)] [2018-07-23 13:41:10,249 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 13:41:10,249 INFO L450 AbstractCegarLoop]: Interpolant automaton has 27 states [2018-07-23 13:41:10,249 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 27 interpolants. [2018-07-23 13:41:10,250 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=51, Invalid=651, Unknown=0, NotChecked=0, Total=702 [2018-07-23 13:41:10,250 INFO L87 Difference]: Start difference. First operand 51 states and 51 transitions. Second operand 27 states. [2018-07-23 13:41:10,533 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-07-23 13:41:10,534 INFO L93 Difference]: Finished difference Result 56 states and 56 transitions. [2018-07-23 13:41:10,534 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 27 states. [2018-07-23 13:41:10,534 INFO L78 Accepts]: Start accepts. Automaton has 27 states. Word has length 50 [2018-07-23 13:41:10,534 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-07-23 13:41:10,534 INFO L225 Difference]: With dead ends: 56 [2018-07-23 13:41:10,535 INFO L226 Difference]: Without dead ends: 54 [2018-07-23 13:41:10,535 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 13:41:10,536 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 54 states. [2018-07-23 13:41:10,550 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 54 to 53. [2018-07-23 13:41:10,550 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 53 states. [2018-07-23 13:41:10,550 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 53 states to 53 states and 53 transitions. [2018-07-23 13:41:10,550 INFO L78 Accepts]: Start accepts. Automaton has 53 states and 53 transitions. Word has length 50 [2018-07-23 13:41:10,551 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-07-23 13:41:10,551 INFO L471 AbstractCegarLoop]: Abstraction has 53 states and 53 transitions. [2018-07-23 13:41:10,551 INFO L472 AbstractCegarLoop]: Interpolant automaton has 27 states. [2018-07-23 13:41:10,551 INFO L276 IsEmpty]: Start isEmpty. Operand 53 states and 53 transitions. [2018-07-23 13:41:10,551 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 53 [2018-07-23 13:41:10,552 INFO L349 BasicCegarLoop]: Found error trace [2018-07-23 13:41:10,552 INFO L357 BasicCegarLoop]: trace histogram [25, 24, 1, 1, 1] [2018-07-23 13:41:10,552 INFO L414 AbstractCegarLoop]: === Iteration 25 === [ULTIMATE.startErr0AssertViolationASSERT]=== [2018-07-23 13:41:10,552 INFO L82 PathProgramCache]: Analyzing trace with hash 1133501067, now seen corresponding path program 24 times [2018-07-23 13:41:10,552 INFO L69 tionRefinementEngine]: Using refinement strategy FixedRefinementStrategy [2018-07-23 13:41:10,573 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-07-23 13:41:10,768 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 13:41:10,768 INFO L309 seRefinementStrategy]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2018-07-23 13:41:10,768 INFO L324 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [27] total 27 [2018-07-23 13:41:10,769 INFO L142 lantAutomatonBuilder]: Constructing canonical interpolant automaton, with selfloop in false state [2018-07-23 13:41:10,769 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-07-23 13:41:10,769 INFO L185 omatonBuilderFactory]: Interpolants [3407#true, 3408#false, 3409#(<= 100 (+ ULTIMATE.start_main_~x~4 (* 25 ULTIMATE.start_main_~y~4))), 3410#(<= 196 (+ ULTIMATE.start_main_~x~4 (* 24 ULTIMATE.start_main_~y~4))), 3411#(<= 288 (+ ULTIMATE.start_main_~x~4 (* 23 ULTIMATE.start_main_~y~4))), 3412#(<= 376 (+ ULTIMATE.start_main_~x~4 (* 22 ULTIMATE.start_main_~y~4))), 3413#(<= 460 (+ ULTIMATE.start_main_~x~4 (* 21 ULTIMATE.start_main_~y~4))), 3414#(<= 540 (+ ULTIMATE.start_main_~x~4 (* 20 ULTIMATE.start_main_~y~4))), 3415#(<= 616 (+ ULTIMATE.start_main_~x~4 (* 19 ULTIMATE.start_main_~y~4))), 3416#(<= 688 (+ ULTIMATE.start_main_~x~4 (* 18 ULTIMATE.start_main_~y~4))), 3417#(<= 756 (+ ULTIMATE.start_main_~x~4 (* 17 ULTIMATE.start_main_~y~4))), 3418#(<= 820 (+ ULTIMATE.start_main_~x~4 (* 16 ULTIMATE.start_main_~y~4))), 3419#(<= 880 (+ ULTIMATE.start_main_~x~4 (* 15 ULTIMATE.start_main_~y~4))), 3420#(<= 936 (+ ULTIMATE.start_main_~x~4 (* 14 ULTIMATE.start_main_~y~4))), 3421#(<= 988 (+ ULTIMATE.start_main_~x~4 (* 13 ULTIMATE.start_main_~y~4))), 3422#(<= 1036 (+ ULTIMATE.start_main_~x~4 (* 12 ULTIMATE.start_main_~y~4))), 3423#(<= 1080 (+ ULTIMATE.start_main_~x~4 (* 11 ULTIMATE.start_main_~y~4))), 3424#(<= 1120 (+ ULTIMATE.start_main_~x~4 (* 10 ULTIMATE.start_main_~y~4))), 3425#(<= 1156 (+ ULTIMATE.start_main_~x~4 (* 9 ULTIMATE.start_main_~y~4))), 3426#(<= 1188 (+ ULTIMATE.start_main_~x~4 (* 8 ULTIMATE.start_main_~y~4))), 3427#(<= 1216 (+ ULTIMATE.start_main_~x~4 (* 7 ULTIMATE.start_main_~y~4))), 3428#(<= 1240 (+ ULTIMATE.start_main_~x~4 (* 6 ULTIMATE.start_main_~y~4))), 3429#(<= 1260 (+ ULTIMATE.start_main_~x~4 (* 5 ULTIMATE.start_main_~y~4))), 3430#(<= 1276 (+ ULTIMATE.start_main_~x~4 (* 4 ULTIMATE.start_main_~y~4))), 3431#(<= 1288 (+ ULTIMATE.start_main_~x~4 (* 3 ULTIMATE.start_main_~y~4))), 3432#(<= 1296 (+ ULTIMATE.start_main_~x~4 (* 2 ULTIMATE.start_main_~y~4))), 3433#(<= 1300 (+ ULTIMATE.start_main_~x~4 ULTIMATE.start_main_~y~4)), 3434#(<= 1 ULTIMATE.start___VERIFIER_assert_~cond)] [2018-07-23 13:41:10,770 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 13:41:10,770 INFO L450 AbstractCegarLoop]: Interpolant automaton has 28 states [2018-07-23 13:41:10,771 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 28 interpolants. [2018-07-23 13:41:10,771 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=53, Invalid=703, Unknown=0, NotChecked=0, Total=756 [2018-07-23 13:41:10,772 INFO L87 Difference]: Start difference. First operand 53 states and 53 transitions. Second operand 28 states. [2018-07-23 13:41:11,092 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-07-23 13:41:11,093 INFO L93 Difference]: Finished difference Result 58 states and 58 transitions. [2018-07-23 13:41:11,093 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 28 states. [2018-07-23 13:41:11,093 INFO L78 Accepts]: Start accepts. Automaton has 28 states. Word has length 52 [2018-07-23 13:41:11,093 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-07-23 13:41:11,094 INFO L225 Difference]: With dead ends: 58 [2018-07-23 13:41:11,094 INFO L226 Difference]: Without dead ends: 56 [2018-07-23 13:41:11,095 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 13:41:11,095 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 56 states. [2018-07-23 13:41:11,111 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 56 to 55. [2018-07-23 13:41:11,111 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 55 states. [2018-07-23 13:41:11,112 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 55 states to 55 states and 55 transitions. [2018-07-23 13:41:11,112 INFO L78 Accepts]: Start accepts. Automaton has 55 states and 55 transitions. Word has length 52 [2018-07-23 13:41:11,112 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-07-23 13:41:11,112 INFO L471 AbstractCegarLoop]: Abstraction has 55 states and 55 transitions. [2018-07-23 13:41:11,112 INFO L472 AbstractCegarLoop]: Interpolant automaton has 28 states. [2018-07-23 13:41:11,113 INFO L276 IsEmpty]: Start isEmpty. Operand 55 states and 55 transitions. [2018-07-23 13:41:11,113 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 55 [2018-07-23 13:41:11,113 INFO L349 BasicCegarLoop]: Found error trace [2018-07-23 13:41:11,113 INFO L357 BasicCegarLoop]: trace histogram [26, 25, 1, 1, 1] [2018-07-23 13:41:11,113 INFO L414 AbstractCegarLoop]: === Iteration 26 === [ULTIMATE.startErr0AssertViolationASSERT]=== [2018-07-23 13:41:11,114 INFO L82 PathProgramCache]: Analyzing trace with hash -1627221099, now seen corresponding path program 25 times [2018-07-23 13:41:11,114 INFO L69 tionRefinementEngine]: Using refinement strategy FixedRefinementStrategy [2018-07-23 13:41:11,142 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-07-23 13:41:11,359 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 13:41:11,360 INFO L309 seRefinementStrategy]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2018-07-23 13:41:11,360 INFO L324 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [28] total 28 [2018-07-23 13:41:11,360 INFO L142 lantAutomatonBuilder]: Constructing canonical interpolant automaton, with selfloop in false state [2018-07-23 13:41:11,360 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-07-23 13:41:11,361 INFO L185 omatonBuilderFactory]: Interpolants [3661#true, 3662#false, 3663#(<= 104 (+ ULTIMATE.start_main_~x~4 (* 26 ULTIMATE.start_main_~y~4))), 3664#(<= 204 (+ ULTIMATE.start_main_~x~4 (* 25 ULTIMATE.start_main_~y~4))), 3665#(<= 300 (+ ULTIMATE.start_main_~x~4 (* 24 ULTIMATE.start_main_~y~4))), 3666#(<= 392 (+ ULTIMATE.start_main_~x~4 (* 23 ULTIMATE.start_main_~y~4))), 3667#(<= 480 (+ ULTIMATE.start_main_~x~4 (* 22 ULTIMATE.start_main_~y~4))), 3668#(<= 564 (+ ULTIMATE.start_main_~x~4 (* 21 ULTIMATE.start_main_~y~4))), 3669#(<= 644 (+ ULTIMATE.start_main_~x~4 (* 20 ULTIMATE.start_main_~y~4))), 3670#(<= 720 (+ ULTIMATE.start_main_~x~4 (* 19 ULTIMATE.start_main_~y~4))), 3671#(<= 792 (+ ULTIMATE.start_main_~x~4 (* 18 ULTIMATE.start_main_~y~4))), 3672#(<= 860 (+ ULTIMATE.start_main_~x~4 (* 17 ULTIMATE.start_main_~y~4))), 3673#(<= 924 (+ ULTIMATE.start_main_~x~4 (* 16 ULTIMATE.start_main_~y~4))), 3674#(<= 984 (+ ULTIMATE.start_main_~x~4 (* 15 ULTIMATE.start_main_~y~4))), 3675#(<= 1040 (+ ULTIMATE.start_main_~x~4 (* 14 ULTIMATE.start_main_~y~4))), 3676#(<= 1092 (+ ULTIMATE.start_main_~x~4 (* 13 ULTIMATE.start_main_~y~4))), 3677#(<= 1140 (+ ULTIMATE.start_main_~x~4 (* 12 ULTIMATE.start_main_~y~4))), 3678#(<= 1184 (+ ULTIMATE.start_main_~x~4 (* 11 ULTIMATE.start_main_~y~4))), 3679#(<= 1224 (+ ULTIMATE.start_main_~x~4 (* 10 ULTIMATE.start_main_~y~4))), 3680#(<= 1260 (+ ULTIMATE.start_main_~x~4 (* 9 ULTIMATE.start_main_~y~4))), 3681#(<= 1292 (+ ULTIMATE.start_main_~x~4 (* 8 ULTIMATE.start_main_~y~4))), 3682#(<= 1320 (+ ULTIMATE.start_main_~x~4 (* 7 ULTIMATE.start_main_~y~4))), 3683#(<= 1344 (+ ULTIMATE.start_main_~x~4 (* 6 ULTIMATE.start_main_~y~4))), 3684#(<= 1364 (+ ULTIMATE.start_main_~x~4 (* 5 ULTIMATE.start_main_~y~4))), 3685#(<= 1380 (+ ULTIMATE.start_main_~x~4 (* 4 ULTIMATE.start_main_~y~4))), 3686#(<= 1392 (+ ULTIMATE.start_main_~x~4 (* 3 ULTIMATE.start_main_~y~4))), 3687#(<= 1400 (+ ULTIMATE.start_main_~x~4 (* 2 ULTIMATE.start_main_~y~4))), 3688#(<= 1404 (+ ULTIMATE.start_main_~x~4 ULTIMATE.start_main_~y~4)), 3689#(<= 1 ULTIMATE.start___VERIFIER_assert_~cond)] [2018-07-23 13:41:11,361 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 13:41:11,362 INFO L450 AbstractCegarLoop]: Interpolant automaton has 29 states [2018-07-23 13:41:11,362 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 29 interpolants. [2018-07-23 13:41:11,362 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=55, Invalid=757, Unknown=0, NotChecked=0, Total=812 [2018-07-23 13:41:11,363 INFO L87 Difference]: Start difference. First operand 55 states and 55 transitions. Second operand 29 states. [2018-07-23 13:41:11,698 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-07-23 13:41:11,698 INFO L93 Difference]: Finished difference Result 60 states and 60 transitions. [2018-07-23 13:41:11,698 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 29 states. [2018-07-23 13:41:11,699 INFO L78 Accepts]: Start accepts. Automaton has 29 states. Word has length 54 [2018-07-23 13:41:11,699 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-07-23 13:41:11,699 INFO L225 Difference]: With dead ends: 60 [2018-07-23 13:41:11,699 INFO L226 Difference]: Without dead ends: 58 [2018-07-23 13:41:11,700 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 13:41:11,700 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 58 states. [2018-07-23 13:41:11,716 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 58 to 57. [2018-07-23 13:41:11,716 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 57 states. [2018-07-23 13:41:11,716 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 57 states to 57 states and 57 transitions. [2018-07-23 13:41:11,716 INFO L78 Accepts]: Start accepts. Automaton has 57 states and 57 transitions. Word has length 54 [2018-07-23 13:41:11,717 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-07-23 13:41:11,717 INFO L471 AbstractCegarLoop]: Abstraction has 57 states and 57 transitions. [2018-07-23 13:41:11,717 INFO L472 AbstractCegarLoop]: Interpolant automaton has 29 states. [2018-07-23 13:41:11,717 INFO L276 IsEmpty]: Start isEmpty. Operand 57 states and 57 transitions. [2018-07-23 13:41:11,717 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 57 [2018-07-23 13:41:11,717 INFO L349 BasicCegarLoop]: Found error trace [2018-07-23 13:41:11,718 INFO L357 BasicCegarLoop]: trace histogram [27, 26, 1, 1, 1] [2018-07-23 13:41:11,718 INFO L414 AbstractCegarLoop]: === Iteration 27 === [ULTIMATE.startErr0AssertViolationASSERT]=== [2018-07-23 13:41:11,718 INFO L82 PathProgramCache]: Analyzing trace with hash -391433697, now seen corresponding path program 26 times [2018-07-23 13:41:11,718 INFO L69 tionRefinementEngine]: Using refinement strategy FixedRefinementStrategy [2018-07-23 13:41:11,742 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-07-23 13:41:11,963 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 13:41:11,964 INFO L309 seRefinementStrategy]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2018-07-23 13:41:11,964 INFO L324 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [29] total 29 [2018-07-23 13:41:11,964 INFO L142 lantAutomatonBuilder]: Constructing canonical interpolant automaton, with selfloop in false state [2018-07-23 13:41:11,964 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-07-23 13:41:11,965 INFO L185 omatonBuilderFactory]: Interpolants [3924#true, 3925#false, 3926#(<= 108 (+ ULTIMATE.start_main_~x~4 (* 27 ULTIMATE.start_main_~y~4))), 3927#(<= 212 (+ ULTIMATE.start_main_~x~4 (* 26 ULTIMATE.start_main_~y~4))), 3928#(<= 312 (+ ULTIMATE.start_main_~x~4 (* 25 ULTIMATE.start_main_~y~4))), 3929#(<= 408 (+ ULTIMATE.start_main_~x~4 (* 24 ULTIMATE.start_main_~y~4))), 3930#(<= 500 (+ ULTIMATE.start_main_~x~4 (* 23 ULTIMATE.start_main_~y~4))), 3931#(<= 588 (+ ULTIMATE.start_main_~x~4 (* 22 ULTIMATE.start_main_~y~4))), 3932#(<= 672 (+ ULTIMATE.start_main_~x~4 (* 21 ULTIMATE.start_main_~y~4))), 3933#(<= 752 (+ ULTIMATE.start_main_~x~4 (* 20 ULTIMATE.start_main_~y~4))), 3934#(<= 828 (+ ULTIMATE.start_main_~x~4 (* 19 ULTIMATE.start_main_~y~4))), 3935#(<= 900 (+ ULTIMATE.start_main_~x~4 (* 18 ULTIMATE.start_main_~y~4))), 3936#(<= 968 (+ ULTIMATE.start_main_~x~4 (* 17 ULTIMATE.start_main_~y~4))), 3937#(<= 1032 (+ ULTIMATE.start_main_~x~4 (* 16 ULTIMATE.start_main_~y~4))), 3938#(<= 1092 (+ ULTIMATE.start_main_~x~4 (* 15 ULTIMATE.start_main_~y~4))), 3939#(<= 1148 (+ ULTIMATE.start_main_~x~4 (* 14 ULTIMATE.start_main_~y~4))), 3940#(<= 1200 (+ ULTIMATE.start_main_~x~4 (* 13 ULTIMATE.start_main_~y~4))), 3941#(<= 1248 (+ ULTIMATE.start_main_~x~4 (* 12 ULTIMATE.start_main_~y~4))), 3942#(<= 1292 (+ ULTIMATE.start_main_~x~4 (* 11 ULTIMATE.start_main_~y~4))), 3943#(<= 1332 (+ ULTIMATE.start_main_~x~4 (* 10 ULTIMATE.start_main_~y~4))), 3944#(<= 1368 (+ ULTIMATE.start_main_~x~4 (* 9 ULTIMATE.start_main_~y~4))), 3945#(<= 1400 (+ ULTIMATE.start_main_~x~4 (* 8 ULTIMATE.start_main_~y~4))), 3946#(<= 1428 (+ ULTIMATE.start_main_~x~4 (* 7 ULTIMATE.start_main_~y~4))), 3947#(<= 1452 (+ ULTIMATE.start_main_~x~4 (* 6 ULTIMATE.start_main_~y~4))), 3948#(<= 1472 (+ ULTIMATE.start_main_~x~4 (* 5 ULTIMATE.start_main_~y~4))), 3949#(<= 1488 (+ ULTIMATE.start_main_~x~4 (* 4 ULTIMATE.start_main_~y~4))), 3950#(<= 1500 (+ ULTIMATE.start_main_~x~4 (* 3 ULTIMATE.start_main_~y~4))), 3951#(<= 1508 (+ ULTIMATE.start_main_~x~4 (* 2 ULTIMATE.start_main_~y~4))), 3952#(<= 1512 (+ ULTIMATE.start_main_~x~4 ULTIMATE.start_main_~y~4)), 3953#(<= 1 ULTIMATE.start___VERIFIER_assert_~cond)] [2018-07-23 13:41:11,966 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 13:41:11,966 INFO L450 AbstractCegarLoop]: Interpolant automaton has 30 states [2018-07-23 13:41:11,966 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 30 interpolants. [2018-07-23 13:41:11,967 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=57, Invalid=813, Unknown=0, NotChecked=0, Total=870 [2018-07-23 13:41:11,967 INFO L87 Difference]: Start difference. First operand 57 states and 57 transitions. Second operand 30 states. [2018-07-23 13:41:12,308 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-07-23 13:41:12,309 INFO L93 Difference]: Finished difference Result 62 states and 62 transitions. [2018-07-23 13:41:12,309 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 30 states. [2018-07-23 13:41:12,309 INFO L78 Accepts]: Start accepts. Automaton has 30 states. Word has length 56 [2018-07-23 13:41:12,309 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-07-23 13:41:12,310 INFO L225 Difference]: With dead ends: 62 [2018-07-23 13:41:12,310 INFO L226 Difference]: Without dead ends: 60 [2018-07-23 13:41:12,311 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 13:41:12,311 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 60 states. [2018-07-23 13:41:12,327 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 60 to 59. [2018-07-23 13:41:12,327 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 59 states. [2018-07-23 13:41:12,328 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 59 states to 59 states and 59 transitions. [2018-07-23 13:41:12,328 INFO L78 Accepts]: Start accepts. Automaton has 59 states and 59 transitions. Word has length 56 [2018-07-23 13:41:12,328 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-07-23 13:41:12,328 INFO L471 AbstractCegarLoop]: Abstraction has 59 states and 59 transitions. [2018-07-23 13:41:12,328 INFO L472 AbstractCegarLoop]: Interpolant automaton has 30 states. [2018-07-23 13:41:12,329 INFO L276 IsEmpty]: Start isEmpty. Operand 59 states and 59 transitions. [2018-07-23 13:41:12,329 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 59 [2018-07-23 13:41:12,329 INFO L349 BasicCegarLoop]: Found error trace [2018-07-23 13:41:12,329 INFO L357 BasicCegarLoop]: trace histogram [28, 27, 1, 1, 1] [2018-07-23 13:41:12,329 INFO L414 AbstractCegarLoop]: === Iteration 28 === [ULTIMATE.startErr0AssertViolationASSERT]=== [2018-07-23 13:41:12,330 INFO L82 PathProgramCache]: Analyzing trace with hash 1789285929, now seen corresponding path program 27 times [2018-07-23 13:41:12,330 INFO L69 tionRefinementEngine]: Using refinement strategy FixedRefinementStrategy [2018-07-23 13:41:12,360 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-07-23 13:41:12,617 INFO L134 CoverageAnalysis]: Checked inductivity of 756 backedges. 0 proven. 756 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-07-23 13:41:12,617 INFO L309 seRefinementStrategy]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2018-07-23 13:41:12,617 INFO L324 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [30] total 30 [2018-07-23 13:41:12,618 INFO L142 lantAutomatonBuilder]: Constructing canonical interpolant automaton, with selfloop in false state [2018-07-23 13:41:12,618 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-07-23 13:41:12,619 INFO L185 omatonBuilderFactory]: Interpolants [4224#(<= 1620 (+ ULTIMATE.start_main_~x~4 (* 2 ULTIMATE.start_main_~y~4))), 4225#(<= 1624 (+ ULTIMATE.start_main_~x~4 ULTIMATE.start_main_~y~4)), 4226#(<= 1 ULTIMATE.start___VERIFIER_assert_~cond), 4196#true, 4197#false, 4198#(<= 112 (+ ULTIMATE.start_main_~x~4 (* 28 ULTIMATE.start_main_~y~4))), 4199#(<= 220 (+ ULTIMATE.start_main_~x~4 (* 27 ULTIMATE.start_main_~y~4))), 4200#(<= 324 (+ ULTIMATE.start_main_~x~4 (* 26 ULTIMATE.start_main_~y~4))), 4201#(<= 424 (+ ULTIMATE.start_main_~x~4 (* 25 ULTIMATE.start_main_~y~4))), 4202#(<= 520 (+ ULTIMATE.start_main_~x~4 (* 24 ULTIMATE.start_main_~y~4))), 4203#(<= 612 (+ ULTIMATE.start_main_~x~4 (* 23 ULTIMATE.start_main_~y~4))), 4204#(<= 700 (+ ULTIMATE.start_main_~x~4 (* 22 ULTIMATE.start_main_~y~4))), 4205#(<= 784 (+ ULTIMATE.start_main_~x~4 (* 21 ULTIMATE.start_main_~y~4))), 4206#(<= 864 (+ ULTIMATE.start_main_~x~4 (* 20 ULTIMATE.start_main_~y~4))), 4207#(<= 940 (+ ULTIMATE.start_main_~x~4 (* 19 ULTIMATE.start_main_~y~4))), 4208#(<= 1012 (+ ULTIMATE.start_main_~x~4 (* 18 ULTIMATE.start_main_~y~4))), 4209#(<= 1080 (+ ULTIMATE.start_main_~x~4 (* 17 ULTIMATE.start_main_~y~4))), 4210#(<= 1144 (+ ULTIMATE.start_main_~x~4 (* 16 ULTIMATE.start_main_~y~4))), 4211#(<= 1204 (+ ULTIMATE.start_main_~x~4 (* 15 ULTIMATE.start_main_~y~4))), 4212#(<= 1260 (+ ULTIMATE.start_main_~x~4 (* 14 ULTIMATE.start_main_~y~4))), 4213#(<= 1312 (+ ULTIMATE.start_main_~x~4 (* 13 ULTIMATE.start_main_~y~4))), 4214#(<= 1360 (+ ULTIMATE.start_main_~x~4 (* 12 ULTIMATE.start_main_~y~4))), 4215#(<= 1404 (+ ULTIMATE.start_main_~x~4 (* 11 ULTIMATE.start_main_~y~4))), 4216#(<= 1444 (+ ULTIMATE.start_main_~x~4 (* 10 ULTIMATE.start_main_~y~4))), 4217#(<= 1480 (+ ULTIMATE.start_main_~x~4 (* 9 ULTIMATE.start_main_~y~4))), 4218#(<= 1512 (+ ULTIMATE.start_main_~x~4 (* 8 ULTIMATE.start_main_~y~4))), 4219#(<= 1540 (+ ULTIMATE.start_main_~x~4 (* 7 ULTIMATE.start_main_~y~4))), 4220#(<= 1564 (+ ULTIMATE.start_main_~x~4 (* 6 ULTIMATE.start_main_~y~4))), 4221#(<= 1584 (+ ULTIMATE.start_main_~x~4 (* 5 ULTIMATE.start_main_~y~4))), 4222#(<= 1600 (+ ULTIMATE.start_main_~x~4 (* 4 ULTIMATE.start_main_~y~4))), 4223#(<= 1612 (+ ULTIMATE.start_main_~x~4 (* 3 ULTIMATE.start_main_~y~4)))] [2018-07-23 13:41:12,619 INFO L134 CoverageAnalysis]: Checked inductivity of 756 backedges. 0 proven. 756 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-07-23 13:41:12,620 INFO L450 AbstractCegarLoop]: Interpolant automaton has 31 states [2018-07-23 13:41:12,620 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 31 interpolants. [2018-07-23 13:41:12,621 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=59, Invalid=871, Unknown=0, NotChecked=0, Total=930 [2018-07-23 13:41:12,621 INFO L87 Difference]: Start difference. First operand 59 states and 59 transitions. Second operand 31 states. [2018-07-23 13:41:13,030 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-07-23 13:41:13,031 INFO L93 Difference]: Finished difference Result 64 states and 64 transitions. [2018-07-23 13:41:13,031 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 31 states. [2018-07-23 13:41:13,031 INFO L78 Accepts]: Start accepts. Automaton has 31 states. Word has length 58 [2018-07-23 13:41:13,032 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-07-23 13:41:13,032 INFO L225 Difference]: With dead ends: 64 [2018-07-23 13:41:13,032 INFO L226 Difference]: Without dead ends: 62 [2018-07-23 13:41:13,033 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 13:41:13,033 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 62 states. [2018-07-23 13:41:13,055 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 62 to 61. [2018-07-23 13:41:13,055 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 61 states. [2018-07-23 13:41:13,056 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 61 states to 61 states and 61 transitions. [2018-07-23 13:41:13,056 INFO L78 Accepts]: Start accepts. Automaton has 61 states and 61 transitions. Word has length 58 [2018-07-23 13:41:13,056 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-07-23 13:41:13,057 INFO L471 AbstractCegarLoop]: Abstraction has 61 states and 61 transitions. [2018-07-23 13:41:13,057 INFO L472 AbstractCegarLoop]: Interpolant automaton has 31 states. [2018-07-23 13:41:13,057 INFO L276 IsEmpty]: Start isEmpty. Operand 61 states and 61 transitions. [2018-07-23 13:41:13,057 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 61 [2018-07-23 13:41:13,057 INFO L349 BasicCegarLoop]: Found error trace [2018-07-23 13:41:13,058 INFO L357 BasicCegarLoop]: trace histogram [29, 28, 1, 1, 1] [2018-07-23 13:41:13,058 INFO L414 AbstractCegarLoop]: === Iteration 29 === [ULTIMATE.startErr0AssertViolationASSERT]=== [2018-07-23 13:41:13,058 INFO L82 PathProgramCache]: Analyzing trace with hash 1516806067, now seen corresponding path program 28 times [2018-07-23 13:41:13,058 INFO L69 tionRefinementEngine]: Using refinement strategy FixedRefinementStrategy [2018-07-23 13:41:13,112 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-07-23 13:41:13,324 INFO L134 CoverageAnalysis]: Checked inductivity of 812 backedges. 0 proven. 812 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-07-23 13:41:13,325 INFO L309 seRefinementStrategy]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2018-07-23 13:41:13,325 INFO L324 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [31] total 31 [2018-07-23 13:41:13,325 INFO L142 lantAutomatonBuilder]: Constructing canonical interpolant automaton, with selfloop in false state [2018-07-23 13:41:13,325 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 13:41:13,326 INFO L185 omatonBuilderFactory]: Interpolants [4480#(<= 228 (+ ULTIMATE.start_main_~x~4 (* 28 ULTIMATE.start_main_~y~4))), 4481#(<= 336 (+ ULTIMATE.start_main_~x~4 (* 27 ULTIMATE.start_main_~y~4))), 4482#(<= 440 (+ ULTIMATE.start_main_~x~4 (* 26 ULTIMATE.start_main_~y~4))), 4483#(<= 540 (+ ULTIMATE.start_main_~x~4 (* 25 ULTIMATE.start_main_~y~4))), 4484#(<= 636 (+ ULTIMATE.start_main_~x~4 (* 24 ULTIMATE.start_main_~y~4))), 4485#(<= 728 (+ ULTIMATE.start_main_~x~4 (* 23 ULTIMATE.start_main_~y~4))), 4486#(<= 816 (+ ULTIMATE.start_main_~x~4 (* 22 ULTIMATE.start_main_~y~4))), 4487#(<= 900 (+ ULTIMATE.start_main_~x~4 (* 21 ULTIMATE.start_main_~y~4))), 4488#(<= 980 (+ ULTIMATE.start_main_~x~4 (* 20 ULTIMATE.start_main_~y~4))), 4489#(<= 1056 (+ ULTIMATE.start_main_~x~4 (* 19 ULTIMATE.start_main_~y~4))), 4490#(<= 1128 (+ ULTIMATE.start_main_~x~4 (* 18 ULTIMATE.start_main_~y~4))), 4491#(<= 1196 (+ ULTIMATE.start_main_~x~4 (* 17 ULTIMATE.start_main_~y~4))), 4492#(<= 1260 (+ ULTIMATE.start_main_~x~4 (* 16 ULTIMATE.start_main_~y~4))), 4493#(<= 1320 (+ ULTIMATE.start_main_~x~4 (* 15 ULTIMATE.start_main_~y~4))), 4494#(<= 1376 (+ ULTIMATE.start_main_~x~4 (* 14 ULTIMATE.start_main_~y~4))), 4495#(<= 1428 (+ ULTIMATE.start_main_~x~4 (* 13 ULTIMATE.start_main_~y~4))), 4496#(<= 1476 (+ ULTIMATE.start_main_~x~4 (* 12 ULTIMATE.start_main_~y~4))), 4497#(<= 1520 (+ ULTIMATE.start_main_~x~4 (* 11 ULTIMATE.start_main_~y~4))), 4498#(<= 1560 (+ ULTIMATE.start_main_~x~4 (* 10 ULTIMATE.start_main_~y~4))), 4499#(<= 1596 (+ ULTIMATE.start_main_~x~4 (* 9 ULTIMATE.start_main_~y~4))), 4500#(<= 1628 (+ ULTIMATE.start_main_~x~4 (* 8 ULTIMATE.start_main_~y~4))), 4501#(<= 1656 (+ ULTIMATE.start_main_~x~4 (* 7 ULTIMATE.start_main_~y~4))), 4502#(<= 1680 (+ ULTIMATE.start_main_~x~4 (* 6 ULTIMATE.start_main_~y~4))), 4503#(<= 1700 (+ ULTIMATE.start_main_~x~4 (* 5 ULTIMATE.start_main_~y~4))), 4504#(<= 1716 (+ ULTIMATE.start_main_~x~4 (* 4 ULTIMATE.start_main_~y~4))), 4505#(<= 1728 (+ ULTIMATE.start_main_~x~4 (* 3 ULTIMATE.start_main_~y~4))), 4506#(<= 1736 (+ ULTIMATE.start_main_~x~4 (* 2 ULTIMATE.start_main_~y~4))), 4507#(<= 1740 (+ ULTIMATE.start_main_~x~4 ULTIMATE.start_main_~y~4)), 4508#(<= 1 ULTIMATE.start___VERIFIER_assert_~cond), 4477#true, 4478#false, 4479#(<= 116 (+ ULTIMATE.start_main_~x~4 (* 29 ULTIMATE.start_main_~y~4)))] [2018-07-23 13:41:13,326 INFO L134 CoverageAnalysis]: Checked inductivity of 812 backedges. 0 proven. 812 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-07-23 13:41:13,327 INFO L450 AbstractCegarLoop]: Interpolant automaton has 32 states [2018-07-23 13:41:13,327 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 32 interpolants. [2018-07-23 13:41:13,328 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=61, Invalid=931, Unknown=0, NotChecked=0, Total=992 [2018-07-23 13:41:13,328 INFO L87 Difference]: Start difference. First operand 61 states and 61 transitions. Second operand 32 states. [2018-07-23 13:41:13,696 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-07-23 13:41:13,696 INFO L93 Difference]: Finished difference Result 66 states and 66 transitions. [2018-07-23 13:41:13,697 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 32 states. [2018-07-23 13:41:13,697 INFO L78 Accepts]: Start accepts. Automaton has 32 states. Word has length 60 [2018-07-23 13:41:13,697 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-07-23 13:41:13,698 INFO L225 Difference]: With dead ends: 66 [2018-07-23 13:41:13,698 INFO L226 Difference]: Without dead ends: 64 [2018-07-23 13:41:13,699 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 13:41:13,703 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 64 states. [2018-07-23 13:41:13,723 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 64 to 63. [2018-07-23 13:41:13,723 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 63 states. [2018-07-23 13:41:13,724 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 63 states to 63 states and 63 transitions. [2018-07-23 13:41:13,724 INFO L78 Accepts]: Start accepts. Automaton has 63 states and 63 transitions. Word has length 60 [2018-07-23 13:41:13,724 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-07-23 13:41:13,724 INFO L471 AbstractCegarLoop]: Abstraction has 63 states and 63 transitions. [2018-07-23 13:41:13,724 INFO L472 AbstractCegarLoop]: Interpolant automaton has 32 states. [2018-07-23 13:41:13,725 INFO L276 IsEmpty]: Start isEmpty. Operand 63 states and 63 transitions. [2018-07-23 13:41:13,725 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 63 [2018-07-23 13:41:13,725 INFO L349 BasicCegarLoop]: Found error trace [2018-07-23 13:41:13,725 INFO L357 BasicCegarLoop]: trace histogram [30, 29, 1, 1, 1] [2018-07-23 13:41:13,725 INFO L414 AbstractCegarLoop]: === Iteration 30 === [ULTIMATE.startErr0AssertViolationASSERT]=== [2018-07-23 13:41:13,726 INFO L82 PathProgramCache]: Analyzing trace with hash 1656663741, now seen corresponding path program 29 times [2018-07-23 13:41:13,726 INFO L69 tionRefinementEngine]: Using refinement strategy FixedRefinementStrategy [2018-07-23 13:41:13,753 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-07-23 13:41:13,984 INFO L134 CoverageAnalysis]: Checked inductivity of 870 backedges. 0 proven. 870 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-07-23 13:41:13,985 INFO L309 seRefinementStrategy]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2018-07-23 13:41:13,985 INFO L324 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [32] total 32 [2018-07-23 13:41:13,985 INFO L142 lantAutomatonBuilder]: Constructing canonical interpolant automaton, with selfloop in false state [2018-07-23 13:41:13,985 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-07-23 13:41:13,986 INFO L185 omatonBuilderFactory]: Interpolants [4767#true, 4768#false, 4769#(<= 120 (+ ULTIMATE.start_main_~x~4 (* 30 ULTIMATE.start_main_~y~4))), 4770#(<= 236 (+ ULTIMATE.start_main_~x~4 (* 29 ULTIMATE.start_main_~y~4))), 4771#(<= 348 (+ ULTIMATE.start_main_~x~4 (* 28 ULTIMATE.start_main_~y~4))), 4772#(<= 456 (+ ULTIMATE.start_main_~x~4 (* 27 ULTIMATE.start_main_~y~4))), 4773#(<= 560 (+ ULTIMATE.start_main_~x~4 (* 26 ULTIMATE.start_main_~y~4))), 4774#(<= 660 (+ ULTIMATE.start_main_~x~4 (* 25 ULTIMATE.start_main_~y~4))), 4775#(<= 756 (+ ULTIMATE.start_main_~x~4 (* 24 ULTIMATE.start_main_~y~4))), 4776#(<= 848 (+ ULTIMATE.start_main_~x~4 (* 23 ULTIMATE.start_main_~y~4))), 4777#(<= 936 (+ ULTIMATE.start_main_~x~4 (* 22 ULTIMATE.start_main_~y~4))), 4778#(<= 1020 (+ ULTIMATE.start_main_~x~4 (* 21 ULTIMATE.start_main_~y~4))), 4779#(<= 1100 (+ ULTIMATE.start_main_~x~4 (* 20 ULTIMATE.start_main_~y~4))), 4780#(<= 1176 (+ ULTIMATE.start_main_~x~4 (* 19 ULTIMATE.start_main_~y~4))), 4781#(<= 1248 (+ ULTIMATE.start_main_~x~4 (* 18 ULTIMATE.start_main_~y~4))), 4782#(<= 1316 (+ ULTIMATE.start_main_~x~4 (* 17 ULTIMATE.start_main_~y~4))), 4783#(<= 1380 (+ ULTIMATE.start_main_~x~4 (* 16 ULTIMATE.start_main_~y~4))), 4784#(<= 1440 (+ ULTIMATE.start_main_~x~4 (* 15 ULTIMATE.start_main_~y~4))), 4785#(<= 1496 (+ ULTIMATE.start_main_~x~4 (* 14 ULTIMATE.start_main_~y~4))), 4786#(<= 1548 (+ ULTIMATE.start_main_~x~4 (* 13 ULTIMATE.start_main_~y~4))), 4787#(<= 1596 (+ ULTIMATE.start_main_~x~4 (* 12 ULTIMATE.start_main_~y~4))), 4788#(<= 1640 (+ ULTIMATE.start_main_~x~4 (* 11 ULTIMATE.start_main_~y~4))), 4789#(<= 1680 (+ ULTIMATE.start_main_~x~4 (* 10 ULTIMATE.start_main_~y~4))), 4790#(<= 1716 (+ ULTIMATE.start_main_~x~4 (* 9 ULTIMATE.start_main_~y~4))), 4791#(<= 1748 (+ ULTIMATE.start_main_~x~4 (* 8 ULTIMATE.start_main_~y~4))), 4792#(<= 1776 (+ ULTIMATE.start_main_~x~4 (* 7 ULTIMATE.start_main_~y~4))), 4793#(<= 1800 (+ ULTIMATE.start_main_~x~4 (* 6 ULTIMATE.start_main_~y~4))), 4794#(<= 1820 (+ ULTIMATE.start_main_~x~4 (* 5 ULTIMATE.start_main_~y~4))), 4795#(<= 1836 (+ ULTIMATE.start_main_~x~4 (* 4 ULTIMATE.start_main_~y~4))), 4796#(<= 1848 (+ ULTIMATE.start_main_~x~4 (* 3 ULTIMATE.start_main_~y~4))), 4797#(<= 1856 (+ ULTIMATE.start_main_~x~4 (* 2 ULTIMATE.start_main_~y~4))), 4798#(<= 1860 (+ ULTIMATE.start_main_~x~4 ULTIMATE.start_main_~y~4)), 4799#(<= 1 ULTIMATE.start___VERIFIER_assert_~cond)] [2018-07-23 13:41:13,986 INFO L134 CoverageAnalysis]: Checked inductivity of 870 backedges. 0 proven. 870 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-07-23 13:41:13,987 INFO L450 AbstractCegarLoop]: Interpolant automaton has 33 states [2018-07-23 13:41:13,987 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 33 interpolants. [2018-07-23 13:41:13,987 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=63, Invalid=993, Unknown=0, NotChecked=0, Total=1056 [2018-07-23 13:41:13,988 INFO L87 Difference]: Start difference. First operand 63 states and 63 transitions. Second operand 33 states. [2018-07-23 13:41:14,354 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-07-23 13:41:14,355 INFO L93 Difference]: Finished difference Result 68 states and 68 transitions. [2018-07-23 13:41:14,355 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 33 states. [2018-07-23 13:41:14,355 INFO L78 Accepts]: Start accepts. Automaton has 33 states. Word has length 62 [2018-07-23 13:41:14,355 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-07-23 13:41:14,356 INFO L225 Difference]: With dead ends: 68 [2018-07-23 13:41:14,356 INFO L226 Difference]: Without dead ends: 66 [2018-07-23 13:41:14,357 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 13:41:14,357 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 66 states. [2018-07-23 13:41:14,376 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 66 to 65. [2018-07-23 13:41:14,376 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 65 states. [2018-07-23 13:41:14,376 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 65 states to 65 states and 65 transitions. [2018-07-23 13:41:14,377 INFO L78 Accepts]: Start accepts. Automaton has 65 states and 65 transitions. Word has length 62 [2018-07-23 13:41:14,377 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-07-23 13:41:14,377 INFO L471 AbstractCegarLoop]: Abstraction has 65 states and 65 transitions. [2018-07-23 13:41:14,377 INFO L472 AbstractCegarLoop]: Interpolant automaton has 33 states. [2018-07-23 13:41:14,377 INFO L276 IsEmpty]: Start isEmpty. Operand 65 states and 65 transitions. [2018-07-23 13:41:14,378 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 65 [2018-07-23 13:41:14,378 INFO L349 BasicCegarLoop]: Found error trace [2018-07-23 13:41:14,378 INFO L357 BasicCegarLoop]: trace histogram [31, 30, 1, 1, 1] [2018-07-23 13:41:14,378 INFO L414 AbstractCegarLoop]: === Iteration 31 === [ULTIMATE.startErr0AssertViolationASSERT]=== [2018-07-23 13:41:14,379 INFO L82 PathProgramCache]: Analyzing trace with hash -1379065017, now seen corresponding path program 30 times [2018-07-23 13:41:14,379 INFO L69 tionRefinementEngine]: Using refinement strategy FixedRefinementStrategy [2018-07-23 13:41:14,407 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-07-23 13:41:14,654 INFO L134 CoverageAnalysis]: Checked inductivity of 930 backedges. 0 proven. 930 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-07-23 13:41:14,654 INFO L309 seRefinementStrategy]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2018-07-23 13:41:14,655 INFO L324 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [33] total 33 [2018-07-23 13:41:14,655 INFO L142 lantAutomatonBuilder]: Constructing canonical interpolant automaton, with selfloop in false state [2018-07-23 13:41:14,655 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-07-23 13:41:14,656 INFO L185 omatonBuilderFactory]: Interpolants [5066#true, 5067#false, 5068#(<= 124 (+ ULTIMATE.start_main_~x~4 (* 31 ULTIMATE.start_main_~y~4))), 5069#(<= 244 (+ ULTIMATE.start_main_~x~4 (* 30 ULTIMATE.start_main_~y~4))), 5070#(<= 360 (+ ULTIMATE.start_main_~x~4 (* 29 ULTIMATE.start_main_~y~4))), 5071#(<= 472 (+ ULTIMATE.start_main_~x~4 (* 28 ULTIMATE.start_main_~y~4))), 5072#(<= 580 (+ ULTIMATE.start_main_~x~4 (* 27 ULTIMATE.start_main_~y~4))), 5073#(<= 684 (+ ULTIMATE.start_main_~x~4 (* 26 ULTIMATE.start_main_~y~4))), 5074#(<= 784 (+ ULTIMATE.start_main_~x~4 (* 25 ULTIMATE.start_main_~y~4))), 5075#(<= 880 (+ ULTIMATE.start_main_~x~4 (* 24 ULTIMATE.start_main_~y~4))), 5076#(<= 972 (+ ULTIMATE.start_main_~x~4 (* 23 ULTIMATE.start_main_~y~4))), 5077#(<= 1060 (+ ULTIMATE.start_main_~x~4 (* 22 ULTIMATE.start_main_~y~4))), 5078#(<= 1144 (+ ULTIMATE.start_main_~x~4 (* 21 ULTIMATE.start_main_~y~4))), 5079#(<= 1224 (+ ULTIMATE.start_main_~x~4 (* 20 ULTIMATE.start_main_~y~4))), 5080#(<= 1300 (+ ULTIMATE.start_main_~x~4 (* 19 ULTIMATE.start_main_~y~4))), 5081#(<= 1372 (+ ULTIMATE.start_main_~x~4 (* 18 ULTIMATE.start_main_~y~4))), 5082#(<= 1440 (+ ULTIMATE.start_main_~x~4 (* 17 ULTIMATE.start_main_~y~4))), 5083#(<= 1504 (+ ULTIMATE.start_main_~x~4 (* 16 ULTIMATE.start_main_~y~4))), 5084#(<= 1564 (+ ULTIMATE.start_main_~x~4 (* 15 ULTIMATE.start_main_~y~4))), 5085#(<= 1620 (+ ULTIMATE.start_main_~x~4 (* 14 ULTIMATE.start_main_~y~4))), 5086#(<= 1672 (+ ULTIMATE.start_main_~x~4 (* 13 ULTIMATE.start_main_~y~4))), 5087#(<= 1720 (+ ULTIMATE.start_main_~x~4 (* 12 ULTIMATE.start_main_~y~4))), 5088#(<= 1764 (+ ULTIMATE.start_main_~x~4 (* 11 ULTIMATE.start_main_~y~4))), 5089#(<= 1804 (+ ULTIMATE.start_main_~x~4 (* 10 ULTIMATE.start_main_~y~4))), 5090#(<= 1840 (+ ULTIMATE.start_main_~x~4 (* 9 ULTIMATE.start_main_~y~4))), 5091#(<= 1872 (+ ULTIMATE.start_main_~x~4 (* 8 ULTIMATE.start_main_~y~4))), 5092#(<= 1900 (+ ULTIMATE.start_main_~x~4 (* 7 ULTIMATE.start_main_~y~4))), 5093#(<= 1924 (+ ULTIMATE.start_main_~x~4 (* 6 ULTIMATE.start_main_~y~4))), 5094#(<= 1944 (+ ULTIMATE.start_main_~x~4 (* 5 ULTIMATE.start_main_~y~4))), 5095#(<= 1960 (+ ULTIMATE.start_main_~x~4 (* 4 ULTIMATE.start_main_~y~4))), 5096#(<= 1972 (+ ULTIMATE.start_main_~x~4 (* 3 ULTIMATE.start_main_~y~4))), 5097#(<= 1980 (+ ULTIMATE.start_main_~x~4 (* 2 ULTIMATE.start_main_~y~4))), 5098#(<= 1984 (+ ULTIMATE.start_main_~x~4 ULTIMATE.start_main_~y~4)), 5099#(<= 1 ULTIMATE.start___VERIFIER_assert_~cond)] [2018-07-23 13:41:14,657 INFO L134 CoverageAnalysis]: Checked inductivity of 930 backedges. 0 proven. 930 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-07-23 13:41:14,657 INFO L450 AbstractCegarLoop]: Interpolant automaton has 34 states [2018-07-23 13:41:14,657 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 34 interpolants. [2018-07-23 13:41:14,658 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=65, Invalid=1057, Unknown=0, NotChecked=0, Total=1122 [2018-07-23 13:41:14,658 INFO L87 Difference]: Start difference. First operand 65 states and 65 transitions. Second operand 34 states. [2018-07-23 13:41:15,046 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-07-23 13:41:15,047 INFO L93 Difference]: Finished difference Result 70 states and 70 transitions. [2018-07-23 13:41:15,047 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 34 states. [2018-07-23 13:41:15,047 INFO L78 Accepts]: Start accepts. Automaton has 34 states. Word has length 64 [2018-07-23 13:41:15,047 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-07-23 13:41:15,048 INFO L225 Difference]: With dead ends: 70 [2018-07-23 13:41:15,048 INFO L226 Difference]: Without dead ends: 68 [2018-07-23 13:41:15,049 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 13:41:15,049 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 68 states. [2018-07-23 13:41:15,069 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 68 to 67. [2018-07-23 13:41:15,069 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 67 states. [2018-07-23 13:41:15,069 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 67 states to 67 states and 67 transitions. [2018-07-23 13:41:15,069 INFO L78 Accepts]: Start accepts. Automaton has 67 states and 67 transitions. Word has length 64 [2018-07-23 13:41:15,070 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-07-23 13:41:15,070 INFO L471 AbstractCegarLoop]: Abstraction has 67 states and 67 transitions. [2018-07-23 13:41:15,070 INFO L472 AbstractCegarLoop]: Interpolant automaton has 34 states. [2018-07-23 13:41:15,070 INFO L276 IsEmpty]: Start isEmpty. Operand 67 states and 67 transitions. [2018-07-23 13:41:15,070 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 67 [2018-07-23 13:41:15,071 INFO L349 BasicCegarLoop]: Found error trace [2018-07-23 13:41:15,071 INFO L357 BasicCegarLoop]: trace histogram [32, 31, 1, 1, 1] [2018-07-23 13:41:15,071 INFO L414 AbstractCegarLoop]: === Iteration 32 === [ULTIMATE.startErr0AssertViolationASSERT]=== [2018-07-23 13:41:15,071 INFO L82 PathProgramCache]: Analyzing trace with hash 1863359825, now seen corresponding path program 31 times [2018-07-23 13:41:15,071 INFO L69 tionRefinementEngine]: Using refinement strategy FixedRefinementStrategy [2018-07-23 13:41:15,099 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-07-23 13:41:15,341 INFO L134 CoverageAnalysis]: Checked inductivity of 992 backedges. 0 proven. 992 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-07-23 13:41:15,341 INFO L309 seRefinementStrategy]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2018-07-23 13:41:15,342 INFO L324 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [34] total 34 [2018-07-23 13:41:15,342 INFO L142 lantAutomatonBuilder]: Constructing canonical interpolant automaton, with selfloop in false state [2018-07-23 13:41:15,342 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-07-23 13:41:15,342 INFO L185 omatonBuilderFactory]: Interpolants [5376#(<= 128 (+ ULTIMATE.start_main_~x~4 (* 32 ULTIMATE.start_main_~y~4))), 5377#(<= 252 (+ ULTIMATE.start_main_~x~4 (* 31 ULTIMATE.start_main_~y~4))), 5378#(<= 372 (+ ULTIMATE.start_main_~x~4 (* 30 ULTIMATE.start_main_~y~4))), 5379#(<= 488 (+ ULTIMATE.start_main_~x~4 (* 29 ULTIMATE.start_main_~y~4))), 5380#(<= 600 (+ ULTIMATE.start_main_~x~4 (* 28 ULTIMATE.start_main_~y~4))), 5381#(<= 708 (+ ULTIMATE.start_main_~x~4 (* 27 ULTIMATE.start_main_~y~4))), 5382#(<= 812 (+ ULTIMATE.start_main_~x~4 (* 26 ULTIMATE.start_main_~y~4))), 5383#(<= 912 (+ ULTIMATE.start_main_~x~4 (* 25 ULTIMATE.start_main_~y~4))), 5384#(<= 1008 (+ ULTIMATE.start_main_~x~4 (* 24 ULTIMATE.start_main_~y~4))), 5385#(<= 1100 (+ ULTIMATE.start_main_~x~4 (* 23 ULTIMATE.start_main_~y~4))), 5386#(<= 1188 (+ ULTIMATE.start_main_~x~4 (* 22 ULTIMATE.start_main_~y~4))), 5387#(<= 1272 (+ ULTIMATE.start_main_~x~4 (* 21 ULTIMATE.start_main_~y~4))), 5388#(<= 1352 (+ ULTIMATE.start_main_~x~4 (* 20 ULTIMATE.start_main_~y~4))), 5389#(<= 1428 (+ ULTIMATE.start_main_~x~4 (* 19 ULTIMATE.start_main_~y~4))), 5390#(<= 1500 (+ ULTIMATE.start_main_~x~4 (* 18 ULTIMATE.start_main_~y~4))), 5391#(<= 1568 (+ ULTIMATE.start_main_~x~4 (* 17 ULTIMATE.start_main_~y~4))), 5392#(<= 1632 (+ ULTIMATE.start_main_~x~4 (* 16 ULTIMATE.start_main_~y~4))), 5393#(<= 1692 (+ ULTIMATE.start_main_~x~4 (* 15 ULTIMATE.start_main_~y~4))), 5394#(<= 1748 (+ ULTIMATE.start_main_~x~4 (* 14 ULTIMATE.start_main_~y~4))), 5395#(<= 1800 (+ ULTIMATE.start_main_~x~4 (* 13 ULTIMATE.start_main_~y~4))), 5396#(<= 1848 (+ ULTIMATE.start_main_~x~4 (* 12 ULTIMATE.start_main_~y~4))), 5397#(<= 1892 (+ ULTIMATE.start_main_~x~4 (* 11 ULTIMATE.start_main_~y~4))), 5398#(<= 1932 (+ ULTIMATE.start_main_~x~4 (* 10 ULTIMATE.start_main_~y~4))), 5399#(<= 1968 (+ ULTIMATE.start_main_~x~4 (* 9 ULTIMATE.start_main_~y~4))), 5400#(<= 2000 (+ ULTIMATE.start_main_~x~4 (* 8 ULTIMATE.start_main_~y~4))), 5401#(<= 2028 (+ ULTIMATE.start_main_~x~4 (* 7 ULTIMATE.start_main_~y~4))), 5402#(<= 2052 (+ ULTIMATE.start_main_~x~4 (* 6 ULTIMATE.start_main_~y~4))), 5403#(<= 2072 (+ ULTIMATE.start_main_~x~4 (* 5 ULTIMATE.start_main_~y~4))), 5404#(<= 2088 (+ ULTIMATE.start_main_~x~4 (* 4 ULTIMATE.start_main_~y~4))), 5405#(<= 2100 (+ ULTIMATE.start_main_~x~4 (* 3 ULTIMATE.start_main_~y~4))), 5406#(<= 2108 (+ ULTIMATE.start_main_~x~4 (* 2 ULTIMATE.start_main_~y~4))), 5407#(<= 2112 (+ ULTIMATE.start_main_~x~4 ULTIMATE.start_main_~y~4)), 5408#(<= 1 ULTIMATE.start___VERIFIER_assert_~cond), 5374#true, 5375#false] [2018-07-23 13:41:15,343 INFO L134 CoverageAnalysis]: Checked inductivity of 992 backedges. 0 proven. 992 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-07-23 13:41:15,344 INFO L450 AbstractCegarLoop]: Interpolant automaton has 35 states [2018-07-23 13:41:15,344 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 35 interpolants. [2018-07-23 13:41:15,345 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=67, Invalid=1123, Unknown=0, NotChecked=0, Total=1190 [2018-07-23 13:41:15,345 INFO L87 Difference]: Start difference. First operand 67 states and 67 transitions. Second operand 35 states. [2018-07-23 13:41:15,759 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-07-23 13:41:15,759 INFO L93 Difference]: Finished difference Result 72 states and 72 transitions. [2018-07-23 13:41:15,760 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 35 states. [2018-07-23 13:41:15,760 INFO L78 Accepts]: Start accepts. Automaton has 35 states. Word has length 66 [2018-07-23 13:41:15,760 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-07-23 13:41:15,761 INFO L225 Difference]: With dead ends: 72 [2018-07-23 13:41:15,761 INFO L226 Difference]: Without dead ends: 70 [2018-07-23 13:41:15,762 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 13:41:15,762 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 70 states. [2018-07-23 13:41:15,787 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 70 to 69. [2018-07-23 13:41:15,788 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 69 states. [2018-07-23 13:41:15,788 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 69 states to 69 states and 69 transitions. [2018-07-23 13:41:15,788 INFO L78 Accepts]: Start accepts. Automaton has 69 states and 69 transitions. Word has length 66 [2018-07-23 13:41:15,788 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-07-23 13:41:15,789 INFO L471 AbstractCegarLoop]: Abstraction has 69 states and 69 transitions. [2018-07-23 13:41:15,789 INFO L472 AbstractCegarLoop]: Interpolant automaton has 35 states. [2018-07-23 13:41:15,789 INFO L276 IsEmpty]: Start isEmpty. Operand 69 states and 69 transitions. [2018-07-23 13:41:15,789 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 69 [2018-07-23 13:41:15,790 INFO L349 BasicCegarLoop]: Found error trace [2018-07-23 13:41:15,790 INFO L357 BasicCegarLoop]: trace histogram [33, 32, 1, 1, 1] [2018-07-23 13:41:15,790 INFO L414 AbstractCegarLoop]: === Iteration 33 === [ULTIMATE.startErr0AssertViolationASSERT]=== [2018-07-23 13:41:15,790 INFO L82 PathProgramCache]: Analyzing trace with hash -312623909, now seen corresponding path program 32 times [2018-07-23 13:41:15,791 INFO L69 tionRefinementEngine]: Using refinement strategy FixedRefinementStrategy [2018-07-23 13:41:15,826 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-07-23 13:41:16,135 INFO L134 CoverageAnalysis]: Checked inductivity of 1056 backedges. 0 proven. 1056 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-07-23 13:41:16,135 INFO L309 seRefinementStrategy]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2018-07-23 13:41:16,135 INFO L324 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [35] total 35 [2018-07-23 13:41:16,136 INFO L142 lantAutomatonBuilder]: Constructing canonical interpolant automaton, with selfloop in false state [2018-07-23 13:41:16,136 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-07-23 13:41:16,138 INFO L185 omatonBuilderFactory]: Interpolants [5696#(<= 504 (+ ULTIMATE.start_main_~x~4 (* 30 ULTIMATE.start_main_~y~4))), 5697#(<= 620 (+ ULTIMATE.start_main_~x~4 (* 29 ULTIMATE.start_main_~y~4))), 5698#(<= 732 (+ ULTIMATE.start_main_~x~4 (* 28 ULTIMATE.start_main_~y~4))), 5699#(<= 840 (+ ULTIMATE.start_main_~x~4 (* 27 ULTIMATE.start_main_~y~4))), 5700#(<= 944 (+ ULTIMATE.start_main_~x~4 (* 26 ULTIMATE.start_main_~y~4))), 5701#(<= 1044 (+ ULTIMATE.start_main_~x~4 (* 25 ULTIMATE.start_main_~y~4))), 5702#(<= 1140 (+ ULTIMATE.start_main_~x~4 (* 24 ULTIMATE.start_main_~y~4))), 5703#(<= 1232 (+ ULTIMATE.start_main_~x~4 (* 23 ULTIMATE.start_main_~y~4))), 5704#(<= 1320 (+ ULTIMATE.start_main_~x~4 (* 22 ULTIMATE.start_main_~y~4))), 5705#(<= 1404 (+ ULTIMATE.start_main_~x~4 (* 21 ULTIMATE.start_main_~y~4))), 5706#(<= 1484 (+ ULTIMATE.start_main_~x~4 (* 20 ULTIMATE.start_main_~y~4))), 5707#(<= 1560 (+ ULTIMATE.start_main_~x~4 (* 19 ULTIMATE.start_main_~y~4))), 5708#(<= 1632 (+ ULTIMATE.start_main_~x~4 (* 18 ULTIMATE.start_main_~y~4))), 5709#(<= 1700 (+ ULTIMATE.start_main_~x~4 (* 17 ULTIMATE.start_main_~y~4))), 5710#(<= 1764 (+ ULTIMATE.start_main_~x~4 (* 16 ULTIMATE.start_main_~y~4))), 5711#(<= 1824 (+ ULTIMATE.start_main_~x~4 (* 15 ULTIMATE.start_main_~y~4))), 5712#(<= 1880 (+ ULTIMATE.start_main_~x~4 (* 14 ULTIMATE.start_main_~y~4))), 5713#(<= 1932 (+ ULTIMATE.start_main_~x~4 (* 13 ULTIMATE.start_main_~y~4))), 5714#(<= 1980 (+ ULTIMATE.start_main_~x~4 (* 12 ULTIMATE.start_main_~y~4))), 5715#(<= 2024 (+ ULTIMATE.start_main_~x~4 (* 11 ULTIMATE.start_main_~y~4))), 5716#(<= 2064 (+ ULTIMATE.start_main_~x~4 (* 10 ULTIMATE.start_main_~y~4))), 5717#(<= 2100 (+ ULTIMATE.start_main_~x~4 (* 9 ULTIMATE.start_main_~y~4))), 5718#(<= 2132 (+ ULTIMATE.start_main_~x~4 (* 8 ULTIMATE.start_main_~y~4))), 5719#(<= 2160 (+ ULTIMATE.start_main_~x~4 (* 7 ULTIMATE.start_main_~y~4))), 5720#(<= 2184 (+ ULTIMATE.start_main_~x~4 (* 6 ULTIMATE.start_main_~y~4))), 5721#(<= 2204 (+ ULTIMATE.start_main_~x~4 (* 5 ULTIMATE.start_main_~y~4))), 5722#(<= 2220 (+ ULTIMATE.start_main_~x~4 (* 4 ULTIMATE.start_main_~y~4))), 5723#(<= 2232 (+ ULTIMATE.start_main_~x~4 (* 3 ULTIMATE.start_main_~y~4))), 5724#(<= 2240 (+ ULTIMATE.start_main_~x~4 (* 2 ULTIMATE.start_main_~y~4))), 5725#(<= 2244 (+ ULTIMATE.start_main_~x~4 ULTIMATE.start_main_~y~4)), 5726#(<= 1 ULTIMATE.start___VERIFIER_assert_~cond), 5691#true, 5692#false, 5693#(<= 132 (+ ULTIMATE.start_main_~x~4 (* 33 ULTIMATE.start_main_~y~4))), 5694#(<= 260 (+ ULTIMATE.start_main_~x~4 (* 32 ULTIMATE.start_main_~y~4))), 5695#(<= 384 (+ ULTIMATE.start_main_~x~4 (* 31 ULTIMATE.start_main_~y~4)))] [2018-07-23 13:41:16,139 INFO L134 CoverageAnalysis]: Checked inductivity of 1056 backedges. 0 proven. 1056 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-07-23 13:41:16,139 INFO L450 AbstractCegarLoop]: Interpolant automaton has 36 states [2018-07-23 13:41:16,140 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 36 interpolants. [2018-07-23 13:41:16,140 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=69, Invalid=1191, Unknown=0, NotChecked=0, Total=1260 [2018-07-23 13:41:16,141 INFO L87 Difference]: Start difference. First operand 69 states and 69 transitions. Second operand 36 states. [2018-07-23 13:41:16,614 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-07-23 13:41:16,614 INFO L93 Difference]: Finished difference Result 74 states and 74 transitions. [2018-07-23 13:41:16,614 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 36 states. [2018-07-23 13:41:16,614 INFO L78 Accepts]: Start accepts. Automaton has 36 states. Word has length 68 [2018-07-23 13:41:16,615 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-07-23 13:41:16,615 INFO L225 Difference]: With dead ends: 74 [2018-07-23 13:41:16,615 INFO L226 Difference]: Without dead ends: 72 [2018-07-23 13:41:16,616 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 13:41:16,616 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 72 states. [2018-07-23 13:41:16,634 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 72 to 71. [2018-07-23 13:41:16,635 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 71 states. [2018-07-23 13:41:16,635 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 71 states to 71 states and 71 transitions. [2018-07-23 13:41:16,635 INFO L78 Accepts]: Start accepts. Automaton has 71 states and 71 transitions. Word has length 68 [2018-07-23 13:41:16,636 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-07-23 13:41:16,636 INFO L471 AbstractCegarLoop]: Abstraction has 71 states and 71 transitions. [2018-07-23 13:41:16,636 INFO L472 AbstractCegarLoop]: Interpolant automaton has 36 states. [2018-07-23 13:41:16,636 INFO L276 IsEmpty]: Start isEmpty. Operand 71 states and 71 transitions. [2018-07-23 13:41:16,636 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 71 [2018-07-23 13:41:16,636 INFO L349 BasicCegarLoop]: Found error trace [2018-07-23 13:41:16,637 INFO L357 BasicCegarLoop]: trace histogram [34, 33, 1, 1, 1] [2018-07-23 13:41:16,637 INFO L414 AbstractCegarLoop]: === Iteration 34 === [ULTIMATE.startErr0AssertViolationASSERT]=== [2018-07-23 13:41:16,637 INFO L82 PathProgramCache]: Analyzing trace with hash 216080869, now seen corresponding path program 33 times [2018-07-23 13:41:16,637 INFO L69 tionRefinementEngine]: Using refinement strategy FixedRefinementStrategy [2018-07-23 13:41:16,683 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-07-23 13:41:16,941 INFO L134 CoverageAnalysis]: Checked inductivity of 1122 backedges. 0 proven. 1122 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-07-23 13:41:16,942 INFO L309 seRefinementStrategy]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2018-07-23 13:41:16,942 INFO L324 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [36] total 36 [2018-07-23 13:41:16,942 INFO L142 lantAutomatonBuilder]: Constructing canonical interpolant automaton, with selfloop in false state [2018-07-23 13:41:16,943 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 13:41:16,943 INFO L185 omatonBuilderFactory]: Interpolants [6017#true, 6018#false, 6019#(<= 136 (+ ULTIMATE.start_main_~x~4 (* 34 ULTIMATE.start_main_~y~4))), 6020#(<= 268 (+ ULTIMATE.start_main_~x~4 (* 33 ULTIMATE.start_main_~y~4))), 6021#(<= 396 (+ ULTIMATE.start_main_~x~4 (* 32 ULTIMATE.start_main_~y~4))), 6022#(<= 520 (+ ULTIMATE.start_main_~x~4 (* 31 ULTIMATE.start_main_~y~4))), 6023#(<= 640 (+ ULTIMATE.start_main_~x~4 (* 30 ULTIMATE.start_main_~y~4))), 6024#(<= 756 (+ ULTIMATE.start_main_~x~4 (* 29 ULTIMATE.start_main_~y~4))), 6025#(<= 868 (+ ULTIMATE.start_main_~x~4 (* 28 ULTIMATE.start_main_~y~4))), 6026#(<= 976 (+ ULTIMATE.start_main_~x~4 (* 27 ULTIMATE.start_main_~y~4))), 6027#(<= 1080 (+ ULTIMATE.start_main_~x~4 (* 26 ULTIMATE.start_main_~y~4))), 6028#(<= 1180 (+ ULTIMATE.start_main_~x~4 (* 25 ULTIMATE.start_main_~y~4))), 6029#(<= 1276 (+ ULTIMATE.start_main_~x~4 (* 24 ULTIMATE.start_main_~y~4))), 6030#(<= 1368 (+ ULTIMATE.start_main_~x~4 (* 23 ULTIMATE.start_main_~y~4))), 6031#(<= 1456 (+ ULTIMATE.start_main_~x~4 (* 22 ULTIMATE.start_main_~y~4))), 6032#(<= 1540 (+ ULTIMATE.start_main_~x~4 (* 21 ULTIMATE.start_main_~y~4))), 6033#(<= 1620 (+ ULTIMATE.start_main_~x~4 (* 20 ULTIMATE.start_main_~y~4))), 6034#(<= 1696 (+ ULTIMATE.start_main_~x~4 (* 19 ULTIMATE.start_main_~y~4))), 6035#(<= 1768 (+ ULTIMATE.start_main_~x~4 (* 18 ULTIMATE.start_main_~y~4))), 6036#(<= 1836 (+ ULTIMATE.start_main_~x~4 (* 17 ULTIMATE.start_main_~y~4))), 6037#(<= 1900 (+ ULTIMATE.start_main_~x~4 (* 16 ULTIMATE.start_main_~y~4))), 6038#(<= 1960 (+ ULTIMATE.start_main_~x~4 (* 15 ULTIMATE.start_main_~y~4))), 6039#(<= 2016 (+ ULTIMATE.start_main_~x~4 (* 14 ULTIMATE.start_main_~y~4))), 6040#(<= 2068 (+ ULTIMATE.start_main_~x~4 (* 13 ULTIMATE.start_main_~y~4))), 6041#(<= 2116 (+ ULTIMATE.start_main_~x~4 (* 12 ULTIMATE.start_main_~y~4))), 6042#(<= 2160 (+ ULTIMATE.start_main_~x~4 (* 11 ULTIMATE.start_main_~y~4))), 6043#(<= 2200 (+ ULTIMATE.start_main_~x~4 (* 10 ULTIMATE.start_main_~y~4))), 6044#(<= 2236 (+ ULTIMATE.start_main_~x~4 (* 9 ULTIMATE.start_main_~y~4))), 6045#(<= 2268 (+ ULTIMATE.start_main_~x~4 (* 8 ULTIMATE.start_main_~y~4))), 6046#(<= 2296 (+ ULTIMATE.start_main_~x~4 (* 7 ULTIMATE.start_main_~y~4))), 6047#(<= 2320 (+ ULTIMATE.start_main_~x~4 (* 6 ULTIMATE.start_main_~y~4))), 6048#(<= 2340 (+ ULTIMATE.start_main_~x~4 (* 5 ULTIMATE.start_main_~y~4))), 6049#(<= 2356 (+ ULTIMATE.start_main_~x~4 (* 4 ULTIMATE.start_main_~y~4))), 6050#(<= 2368 (+ ULTIMATE.start_main_~x~4 (* 3 ULTIMATE.start_main_~y~4))), 6051#(<= 2376 (+ ULTIMATE.start_main_~x~4 (* 2 ULTIMATE.start_main_~y~4))), 6052#(<= 2380 (+ ULTIMATE.start_main_~x~4 ULTIMATE.start_main_~y~4)), 6053#(<= 1 ULTIMATE.start___VERIFIER_assert_~cond)] [2018-07-23 13:41:16,944 INFO L134 CoverageAnalysis]: Checked inductivity of 1122 backedges. 0 proven. 1122 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-07-23 13:41:16,944 INFO L450 AbstractCegarLoop]: Interpolant automaton has 37 states [2018-07-23 13:41:16,945 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 37 interpolants. [2018-07-23 13:41:16,948 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=71, Invalid=1261, Unknown=0, NotChecked=0, Total=1332 [2018-07-23 13:41:16,948 INFO L87 Difference]: Start difference. First operand 71 states and 71 transitions. Second operand 37 states. [2018-07-23 13:41:17,401 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-07-23 13:41:17,401 INFO L93 Difference]: Finished difference Result 76 states and 76 transitions. [2018-07-23 13:41:17,401 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 37 states. [2018-07-23 13:41:17,402 INFO L78 Accepts]: Start accepts. Automaton has 37 states. Word has length 70 [2018-07-23 13:41:17,402 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-07-23 13:41:17,402 INFO L225 Difference]: With dead ends: 76 [2018-07-23 13:41:17,402 INFO L226 Difference]: Without dead ends: 74 [2018-07-23 13:41:17,403 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 13:41:17,404 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 74 states. [2018-07-23 13:41:17,423 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 74 to 73. [2018-07-23 13:41:17,424 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 73 states. [2018-07-23 13:41:17,424 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 73 states to 73 states and 73 transitions. [2018-07-23 13:41:17,424 INFO L78 Accepts]: Start accepts. Automaton has 73 states and 73 transitions. Word has length 70 [2018-07-23 13:41:17,424 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-07-23 13:41:17,425 INFO L471 AbstractCegarLoop]: Abstraction has 73 states and 73 transitions. [2018-07-23 13:41:17,425 INFO L472 AbstractCegarLoop]: Interpolant automaton has 37 states. [2018-07-23 13:41:17,425 INFO L276 IsEmpty]: Start isEmpty. Operand 73 states and 73 transitions. [2018-07-23 13:41:17,426 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 73 [2018-07-23 13:41:17,426 INFO L349 BasicCegarLoop]: Found error trace [2018-07-23 13:41:17,426 INFO L357 BasicCegarLoop]: trace histogram [35, 34, 1, 1, 1] [2018-07-23 13:41:17,426 INFO L414 AbstractCegarLoop]: === Iteration 35 === [ULTIMATE.startErr0AssertViolationASSERT]=== [2018-07-23 13:41:17,427 INFO L82 PathProgramCache]: Analyzing trace with hash 1495231599, now seen corresponding path program 34 times [2018-07-23 13:41:17,427 INFO L69 tionRefinementEngine]: Using refinement strategy FixedRefinementStrategy [2018-07-23 13:41:17,461 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-07-23 13:41:17,705 INFO L134 CoverageAnalysis]: Checked inductivity of 1190 backedges. 0 proven. 1190 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-07-23 13:41:17,706 INFO L309 seRefinementStrategy]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2018-07-23 13:41:17,706 INFO L324 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [37] total 37 [2018-07-23 13:41:17,706 INFO L142 lantAutomatonBuilder]: Constructing canonical interpolant automaton, with selfloop in false state [2018-07-23 13:41:17,706 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-07-23 13:41:17,707 INFO L185 omatonBuilderFactory]: Interpolants [6352#true, 6353#false, 6354#(<= 140 (+ ULTIMATE.start_main_~x~4 (* 35 ULTIMATE.start_main_~y~4))), 6355#(<= 276 (+ ULTIMATE.start_main_~x~4 (* 34 ULTIMATE.start_main_~y~4))), 6356#(<= 408 (+ ULTIMATE.start_main_~x~4 (* 33 ULTIMATE.start_main_~y~4))), 6357#(<= 536 (+ ULTIMATE.start_main_~x~4 (* 32 ULTIMATE.start_main_~y~4))), 6358#(<= 660 (+ ULTIMATE.start_main_~x~4 (* 31 ULTIMATE.start_main_~y~4))), 6359#(<= 780 (+ ULTIMATE.start_main_~x~4 (* 30 ULTIMATE.start_main_~y~4))), 6360#(<= 896 (+ ULTIMATE.start_main_~x~4 (* 29 ULTIMATE.start_main_~y~4))), 6361#(<= 1008 (+ ULTIMATE.start_main_~x~4 (* 28 ULTIMATE.start_main_~y~4))), 6362#(<= 1116 (+ ULTIMATE.start_main_~x~4 (* 27 ULTIMATE.start_main_~y~4))), 6363#(<= 1220 (+ ULTIMATE.start_main_~x~4 (* 26 ULTIMATE.start_main_~y~4))), 6364#(<= 1320 (+ ULTIMATE.start_main_~x~4 (* 25 ULTIMATE.start_main_~y~4))), 6365#(<= 1416 (+ ULTIMATE.start_main_~x~4 (* 24 ULTIMATE.start_main_~y~4))), 6366#(<= 1508 (+ ULTIMATE.start_main_~x~4 (* 23 ULTIMATE.start_main_~y~4))), 6367#(<= 1596 (+ ULTIMATE.start_main_~x~4 (* 22 ULTIMATE.start_main_~y~4))), 6368#(<= 1680 (+ ULTIMATE.start_main_~x~4 (* 21 ULTIMATE.start_main_~y~4))), 6369#(<= 1760 (+ ULTIMATE.start_main_~x~4 (* 20 ULTIMATE.start_main_~y~4))), 6370#(<= 1836 (+ ULTIMATE.start_main_~x~4 (* 19 ULTIMATE.start_main_~y~4))), 6371#(<= 1908 (+ ULTIMATE.start_main_~x~4 (* 18 ULTIMATE.start_main_~y~4))), 6372#(<= 1976 (+ ULTIMATE.start_main_~x~4 (* 17 ULTIMATE.start_main_~y~4))), 6373#(<= 2040 (+ ULTIMATE.start_main_~x~4 (* 16 ULTIMATE.start_main_~y~4))), 6374#(<= 2100 (+ ULTIMATE.start_main_~x~4 (* 15 ULTIMATE.start_main_~y~4))), 6375#(<= 2156 (+ ULTIMATE.start_main_~x~4 (* 14 ULTIMATE.start_main_~y~4))), 6376#(<= 2208 (+ ULTIMATE.start_main_~x~4 (* 13 ULTIMATE.start_main_~y~4))), 6377#(<= 2256 (+ ULTIMATE.start_main_~x~4 (* 12 ULTIMATE.start_main_~y~4))), 6378#(<= 2300 (+ ULTIMATE.start_main_~x~4 (* 11 ULTIMATE.start_main_~y~4))), 6379#(<= 2340 (+ ULTIMATE.start_main_~x~4 (* 10 ULTIMATE.start_main_~y~4))), 6380#(<= 2376 (+ ULTIMATE.start_main_~x~4 (* 9 ULTIMATE.start_main_~y~4))), 6381#(<= 2408 (+ ULTIMATE.start_main_~x~4 (* 8 ULTIMATE.start_main_~y~4))), 6382#(<= 2436 (+ ULTIMATE.start_main_~x~4 (* 7 ULTIMATE.start_main_~y~4))), 6383#(<= 2460 (+ ULTIMATE.start_main_~x~4 (* 6 ULTIMATE.start_main_~y~4))), 6384#(<= 2480 (+ ULTIMATE.start_main_~x~4 (* 5 ULTIMATE.start_main_~y~4))), 6385#(<= 2496 (+ ULTIMATE.start_main_~x~4 (* 4 ULTIMATE.start_main_~y~4))), 6386#(<= 2508 (+ ULTIMATE.start_main_~x~4 (* 3 ULTIMATE.start_main_~y~4))), 6387#(<= 2516 (+ ULTIMATE.start_main_~x~4 (* 2 ULTIMATE.start_main_~y~4))), 6388#(<= 2520 (+ ULTIMATE.start_main_~x~4 ULTIMATE.start_main_~y~4)), 6389#(<= 1 ULTIMATE.start___VERIFIER_assert_~cond)] [2018-07-23 13:41:17,707 INFO L134 CoverageAnalysis]: Checked inductivity of 1190 backedges. 0 proven. 1190 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-07-23 13:41:17,707 INFO L450 AbstractCegarLoop]: Interpolant automaton has 38 states [2018-07-23 13:41:17,708 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 38 interpolants. [2018-07-23 13:41:17,708 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=73, Invalid=1333, Unknown=0, NotChecked=0, Total=1406 [2018-07-23 13:41:17,708 INFO L87 Difference]: Start difference. First operand 73 states and 73 transitions. Second operand 38 states. [2018-07-23 13:41:18,153 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-07-23 13:41:18,153 INFO L93 Difference]: Finished difference Result 78 states and 78 transitions. [2018-07-23 13:41:18,153 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 38 states. [2018-07-23 13:41:18,153 INFO L78 Accepts]: Start accepts. Automaton has 38 states. Word has length 72 [2018-07-23 13:41:18,154 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-07-23 13:41:18,154 INFO L225 Difference]: With dead ends: 78 [2018-07-23 13:41:18,154 INFO L226 Difference]: Without dead ends: 76 [2018-07-23 13:41:18,155 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 13:41:18,156 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 76 states. [2018-07-23 13:41:18,174 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 76 to 75. [2018-07-23 13:41:18,174 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 75 states. [2018-07-23 13:41:18,175 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 75 states to 75 states and 75 transitions. [2018-07-23 13:41:18,175 INFO L78 Accepts]: Start accepts. Automaton has 75 states and 75 transitions. Word has length 72 [2018-07-23 13:41:18,175 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-07-23 13:41:18,175 INFO L471 AbstractCegarLoop]: Abstraction has 75 states and 75 transitions. [2018-07-23 13:41:18,175 INFO L472 AbstractCegarLoop]: Interpolant automaton has 38 states. [2018-07-23 13:41:18,176 INFO L276 IsEmpty]: Start isEmpty. Operand 75 states and 75 transitions. [2018-07-23 13:41:18,176 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 75 [2018-07-23 13:41:18,176 INFO L349 BasicCegarLoop]: Found error trace [2018-07-23 13:41:18,176 INFO L357 BasicCegarLoop]: trace histogram [36, 35, 1, 1, 1] [2018-07-23 13:41:18,177 INFO L414 AbstractCegarLoop]: === Iteration 36 === [ULTIMATE.startErr0AssertViolationASSERT]=== [2018-07-23 13:41:18,177 INFO L82 PathProgramCache]: Analyzing trace with hash -1896530823, now seen corresponding path program 35 times [2018-07-23 13:41:18,177 INFO L69 tionRefinementEngine]: Using refinement strategy FixedRefinementStrategy [2018-07-23 13:41:18,208 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-07-23 13:41:18,459 INFO L134 CoverageAnalysis]: Checked inductivity of 1260 backedges. 0 proven. 1260 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-07-23 13:41:18,460 INFO L309 seRefinementStrategy]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2018-07-23 13:41:18,460 INFO L324 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [38] total 38 [2018-07-23 13:41:18,460 INFO L142 lantAutomatonBuilder]: Constructing canonical interpolant automaton, with selfloop in false state [2018-07-23 13:41:18,460 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-07-23 13:41:18,461 INFO L185 omatonBuilderFactory]: Interpolants [6720#(<= 2300 (+ ULTIMATE.start_main_~x~4 (* 14 ULTIMATE.start_main_~y~4))), 6721#(<= 2352 (+ ULTIMATE.start_main_~x~4 (* 13 ULTIMATE.start_main_~y~4))), 6722#(<= 2400 (+ ULTIMATE.start_main_~x~4 (* 12 ULTIMATE.start_main_~y~4))), 6723#(<= 2444 (+ ULTIMATE.start_main_~x~4 (* 11 ULTIMATE.start_main_~y~4))), 6724#(<= 2484 (+ ULTIMATE.start_main_~x~4 (* 10 ULTIMATE.start_main_~y~4))), 6725#(<= 2520 (+ ULTIMATE.start_main_~x~4 (* 9 ULTIMATE.start_main_~y~4))), 6726#(<= 2552 (+ ULTIMATE.start_main_~x~4 (* 8 ULTIMATE.start_main_~y~4))), 6727#(<= 2580 (+ ULTIMATE.start_main_~x~4 (* 7 ULTIMATE.start_main_~y~4))), 6728#(<= 2604 (+ ULTIMATE.start_main_~x~4 (* 6 ULTIMATE.start_main_~y~4))), 6729#(<= 2624 (+ ULTIMATE.start_main_~x~4 (* 5 ULTIMATE.start_main_~y~4))), 6730#(<= 2640 (+ ULTIMATE.start_main_~x~4 (* 4 ULTIMATE.start_main_~y~4))), 6731#(<= 2652 (+ ULTIMATE.start_main_~x~4 (* 3 ULTIMATE.start_main_~y~4))), 6732#(<= 2660 (+ ULTIMATE.start_main_~x~4 (* 2 ULTIMATE.start_main_~y~4))), 6733#(<= 2664 (+ ULTIMATE.start_main_~x~4 ULTIMATE.start_main_~y~4)), 6734#(<= 1 ULTIMATE.start___VERIFIER_assert_~cond), 6696#true, 6697#false, 6698#(<= 144 (+ ULTIMATE.start_main_~x~4 (* 36 ULTIMATE.start_main_~y~4))), 6699#(<= 284 (+ ULTIMATE.start_main_~x~4 (* 35 ULTIMATE.start_main_~y~4))), 6700#(<= 420 (+ ULTIMATE.start_main_~x~4 (* 34 ULTIMATE.start_main_~y~4))), 6701#(<= 552 (+ ULTIMATE.start_main_~x~4 (* 33 ULTIMATE.start_main_~y~4))), 6702#(<= 680 (+ ULTIMATE.start_main_~x~4 (* 32 ULTIMATE.start_main_~y~4))), 6703#(<= 804 (+ ULTIMATE.start_main_~x~4 (* 31 ULTIMATE.start_main_~y~4))), 6704#(<= 924 (+ ULTIMATE.start_main_~x~4 (* 30 ULTIMATE.start_main_~y~4))), 6705#(<= 1040 (+ ULTIMATE.start_main_~x~4 (* 29 ULTIMATE.start_main_~y~4))), 6706#(<= 1152 (+ ULTIMATE.start_main_~x~4 (* 28 ULTIMATE.start_main_~y~4))), 6707#(<= 1260 (+ ULTIMATE.start_main_~x~4 (* 27 ULTIMATE.start_main_~y~4))), 6708#(<= 1364 (+ ULTIMATE.start_main_~x~4 (* 26 ULTIMATE.start_main_~y~4))), 6709#(<= 1464 (+ ULTIMATE.start_main_~x~4 (* 25 ULTIMATE.start_main_~y~4))), 6710#(<= 1560 (+ ULTIMATE.start_main_~x~4 (* 24 ULTIMATE.start_main_~y~4))), 6711#(<= 1652 (+ ULTIMATE.start_main_~x~4 (* 23 ULTIMATE.start_main_~y~4))), 6712#(<= 1740 (+ ULTIMATE.start_main_~x~4 (* 22 ULTIMATE.start_main_~y~4))), 6713#(<= 1824 (+ ULTIMATE.start_main_~x~4 (* 21 ULTIMATE.start_main_~y~4))), 6714#(<= 1904 (+ ULTIMATE.start_main_~x~4 (* 20 ULTIMATE.start_main_~y~4))), 6715#(<= 1980 (+ ULTIMATE.start_main_~x~4 (* 19 ULTIMATE.start_main_~y~4))), 6716#(<= 2052 (+ ULTIMATE.start_main_~x~4 (* 18 ULTIMATE.start_main_~y~4))), 6717#(<= 2120 (+ ULTIMATE.start_main_~x~4 (* 17 ULTIMATE.start_main_~y~4))), 6718#(<= 2184 (+ ULTIMATE.start_main_~x~4 (* 16 ULTIMATE.start_main_~y~4))), 6719#(<= 2244 (+ ULTIMATE.start_main_~x~4 (* 15 ULTIMATE.start_main_~y~4)))] [2018-07-23 13:41:18,461 INFO L134 CoverageAnalysis]: Checked inductivity of 1260 backedges. 0 proven. 1260 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-07-23 13:41:18,461 INFO L450 AbstractCegarLoop]: Interpolant automaton has 39 states [2018-07-23 13:41:18,462 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 39 interpolants. [2018-07-23 13:41:18,462 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=75, Invalid=1407, Unknown=0, NotChecked=0, Total=1482 [2018-07-23 13:41:18,463 INFO L87 Difference]: Start difference. First operand 75 states and 75 transitions. Second operand 39 states. [2018-07-23 13:41:18,944 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-07-23 13:41:18,944 INFO L93 Difference]: Finished difference Result 80 states and 80 transitions. [2018-07-23 13:41:18,944 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 39 states. [2018-07-23 13:41:18,944 INFO L78 Accepts]: Start accepts. Automaton has 39 states. Word has length 74 [2018-07-23 13:41:18,945 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-07-23 13:41:18,945 INFO L225 Difference]: With dead ends: 80 [2018-07-23 13:41:18,945 INFO L226 Difference]: Without dead ends: 78 [2018-07-23 13:41:18,946 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 13:41:18,947 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 78 states. [2018-07-23 13:41:18,966 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 78 to 77. [2018-07-23 13:41:18,967 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 77 states. [2018-07-23 13:41:18,967 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 77 states to 77 states and 77 transitions. [2018-07-23 13:41:18,967 INFO L78 Accepts]: Start accepts. Automaton has 77 states and 77 transitions. Word has length 74 [2018-07-23 13:41:18,967 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-07-23 13:41:18,968 INFO L471 AbstractCegarLoop]: Abstraction has 77 states and 77 transitions. [2018-07-23 13:41:18,968 INFO L472 AbstractCegarLoop]: Interpolant automaton has 39 states. [2018-07-23 13:41:18,968 INFO L276 IsEmpty]: Start isEmpty. Operand 77 states and 77 transitions. [2018-07-23 13:41:18,968 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 77 [2018-07-23 13:41:18,969 INFO L349 BasicCegarLoop]: Found error trace [2018-07-23 13:41:18,969 INFO L357 BasicCegarLoop]: trace histogram [37, 36, 1, 1, 1] [2018-07-23 13:41:18,969 INFO L414 AbstractCegarLoop]: === Iteration 37 === [ULTIMATE.startErr0AssertViolationASSERT]=== [2018-07-23 13:41:18,970 INFO L82 PathProgramCache]: Analyzing trace with hash -1500040701, now seen corresponding path program 36 times [2018-07-23 13:41:18,970 INFO L69 tionRefinementEngine]: Using refinement strategy FixedRefinementStrategy [2018-07-23 13:41:19,007 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-07-23 13:41:19,290 INFO L134 CoverageAnalysis]: Checked inductivity of 1332 backedges. 0 proven. 1332 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-07-23 13:41:19,290 INFO L309 seRefinementStrategy]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2018-07-23 13:41:19,291 INFO L324 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [39] total 39 [2018-07-23 13:41:19,291 INFO L142 lantAutomatonBuilder]: Constructing canonical interpolant automaton, with selfloop in false state [2018-07-23 13:41:19,291 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-07-23 13:41:19,292 INFO L185 omatonBuilderFactory]: Interpolants [7049#true, 7050#false, 7051#(<= 148 (+ ULTIMATE.start_main_~x~4 (* 37 ULTIMATE.start_main_~y~4))), 7052#(<= 292 (+ ULTIMATE.start_main_~x~4 (* 36 ULTIMATE.start_main_~y~4))), 7053#(<= 432 (+ ULTIMATE.start_main_~x~4 (* 35 ULTIMATE.start_main_~y~4))), 7054#(<= 568 (+ ULTIMATE.start_main_~x~4 (* 34 ULTIMATE.start_main_~y~4))), 7055#(<= 700 (+ ULTIMATE.start_main_~x~4 (* 33 ULTIMATE.start_main_~y~4))), 7056#(<= 828 (+ ULTIMATE.start_main_~x~4 (* 32 ULTIMATE.start_main_~y~4))), 7057#(<= 952 (+ ULTIMATE.start_main_~x~4 (* 31 ULTIMATE.start_main_~y~4))), 7058#(<= 1072 (+ ULTIMATE.start_main_~x~4 (* 30 ULTIMATE.start_main_~y~4))), 7059#(<= 1188 (+ ULTIMATE.start_main_~x~4 (* 29 ULTIMATE.start_main_~y~4))), 7060#(<= 1300 (+ ULTIMATE.start_main_~x~4 (* 28 ULTIMATE.start_main_~y~4))), 7061#(<= 1408 (+ ULTIMATE.start_main_~x~4 (* 27 ULTIMATE.start_main_~y~4))), 7062#(<= 1512 (+ ULTIMATE.start_main_~x~4 (* 26 ULTIMATE.start_main_~y~4))), 7063#(<= 1612 (+ ULTIMATE.start_main_~x~4 (* 25 ULTIMATE.start_main_~y~4))), 7064#(<= 1708 (+ ULTIMATE.start_main_~x~4 (* 24 ULTIMATE.start_main_~y~4))), 7065#(<= 1800 (+ ULTIMATE.start_main_~x~4 (* 23 ULTIMATE.start_main_~y~4))), 7066#(<= 1888 (+ ULTIMATE.start_main_~x~4 (* 22 ULTIMATE.start_main_~y~4))), 7067#(<= 1972 (+ ULTIMATE.start_main_~x~4 (* 21 ULTIMATE.start_main_~y~4))), 7068#(<= 2052 (+ ULTIMATE.start_main_~x~4 (* 20 ULTIMATE.start_main_~y~4))), 7069#(<= 2128 (+ ULTIMATE.start_main_~x~4 (* 19 ULTIMATE.start_main_~y~4))), 7070#(<= 2200 (+ ULTIMATE.start_main_~x~4 (* 18 ULTIMATE.start_main_~y~4))), 7071#(<= 2268 (+ ULTIMATE.start_main_~x~4 (* 17 ULTIMATE.start_main_~y~4))), 7072#(<= 2332 (+ ULTIMATE.start_main_~x~4 (* 16 ULTIMATE.start_main_~y~4))), 7073#(<= 2392 (+ ULTIMATE.start_main_~x~4 (* 15 ULTIMATE.start_main_~y~4))), 7074#(<= 2448 (+ ULTIMATE.start_main_~x~4 (* 14 ULTIMATE.start_main_~y~4))), 7075#(<= 2500 (+ ULTIMATE.start_main_~x~4 (* 13 ULTIMATE.start_main_~y~4))), 7076#(<= 2548 (+ ULTIMATE.start_main_~x~4 (* 12 ULTIMATE.start_main_~y~4))), 7077#(<= 2592 (+ ULTIMATE.start_main_~x~4 (* 11 ULTIMATE.start_main_~y~4))), 7078#(<= 2632 (+ ULTIMATE.start_main_~x~4 (* 10 ULTIMATE.start_main_~y~4))), 7079#(<= 2668 (+ ULTIMATE.start_main_~x~4 (* 9 ULTIMATE.start_main_~y~4))), 7080#(<= 2700 (+ ULTIMATE.start_main_~x~4 (* 8 ULTIMATE.start_main_~y~4))), 7081#(<= 2728 (+ ULTIMATE.start_main_~x~4 (* 7 ULTIMATE.start_main_~y~4))), 7082#(<= 2752 (+ ULTIMATE.start_main_~x~4 (* 6 ULTIMATE.start_main_~y~4))), 7083#(<= 2772 (+ ULTIMATE.start_main_~x~4 (* 5 ULTIMATE.start_main_~y~4))), 7084#(<= 2788 (+ ULTIMATE.start_main_~x~4 (* 4 ULTIMATE.start_main_~y~4))), 7085#(<= 2800 (+ ULTIMATE.start_main_~x~4 (* 3 ULTIMATE.start_main_~y~4))), 7086#(<= 2808 (+ ULTIMATE.start_main_~x~4 (* 2 ULTIMATE.start_main_~y~4))), 7087#(<= 2812 (+ ULTIMATE.start_main_~x~4 ULTIMATE.start_main_~y~4)), 7088#(<= 1 ULTIMATE.start___VERIFIER_assert_~cond)] [2018-07-23 13:41:19,292 INFO L134 CoverageAnalysis]: Checked inductivity of 1332 backedges. 0 proven. 1332 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-07-23 13:41:19,292 INFO L450 AbstractCegarLoop]: Interpolant automaton has 40 states [2018-07-23 13:41:19,293 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 40 interpolants. [2018-07-23 13:41:19,293 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=77, Invalid=1483, Unknown=0, NotChecked=0, Total=1560 [2018-07-23 13:41:19,294 INFO L87 Difference]: Start difference. First operand 77 states and 77 transitions. Second operand 40 states. [2018-07-23 13:41:19,776 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-07-23 13:41:19,776 INFO L93 Difference]: Finished difference Result 82 states and 82 transitions. [2018-07-23 13:41:19,776 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 40 states. [2018-07-23 13:41:19,777 INFO L78 Accepts]: Start accepts. Automaton has 40 states. Word has length 76 [2018-07-23 13:41:19,777 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-07-23 13:41:19,777 INFO L225 Difference]: With dead ends: 82 [2018-07-23 13:41:19,778 INFO L226 Difference]: Without dead ends: 80 [2018-07-23 13:41:19,779 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 13:41:19,779 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 80 states. [2018-07-23 13:41:19,799 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 80 to 79. [2018-07-23 13:41:19,799 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 79 states. [2018-07-23 13:41:19,799 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 79 states to 79 states and 79 transitions. [2018-07-23 13:41:19,800 INFO L78 Accepts]: Start accepts. Automaton has 79 states and 79 transitions. Word has length 76 [2018-07-23 13:41:19,800 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-07-23 13:41:19,800 INFO L471 AbstractCegarLoop]: Abstraction has 79 states and 79 transitions. [2018-07-23 13:41:19,800 INFO L472 AbstractCegarLoop]: Interpolant automaton has 40 states. [2018-07-23 13:41:19,800 INFO L276 IsEmpty]: Start isEmpty. Operand 79 states and 79 transitions. [2018-07-23 13:41:19,801 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 79 [2018-07-23 13:41:19,801 INFO L349 BasicCegarLoop]: Found error trace [2018-07-23 13:41:19,802 INFO L357 BasicCegarLoop]: trace histogram [38, 37, 1, 1, 1] [2018-07-23 13:41:19,802 INFO L414 AbstractCegarLoop]: === Iteration 38 === [ULTIMATE.startErr0AssertViolationASSERT]=== [2018-07-23 13:41:19,802 INFO L82 PathProgramCache]: Analyzing trace with hash 1569844493, now seen corresponding path program 37 times [2018-07-23 13:41:19,802 INFO L69 tionRefinementEngine]: Using refinement strategy FixedRefinementStrategy [2018-07-23 13:41:19,834 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-07-23 13:41:20,073 INFO L134 CoverageAnalysis]: Checked inductivity of 1406 backedges. 0 proven. 1406 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-07-23 13:41:20,074 INFO L309 seRefinementStrategy]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2018-07-23 13:41:20,074 INFO L324 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [40] total 40 [2018-07-23 13:41:20,074 INFO L142 lantAutomatonBuilder]: Constructing canonical interpolant automaton, with selfloop in false state [2018-07-23 13:41:20,075 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-07-23 13:41:20,075 INFO L185 omatonBuilderFactory]: Interpolants [7424#(<= 1560 (+ ULTIMATE.start_main_~x~4 (* 27 ULTIMATE.start_main_~y~4))), 7425#(<= 1664 (+ ULTIMATE.start_main_~x~4 (* 26 ULTIMATE.start_main_~y~4))), 7426#(<= 1764 (+ ULTIMATE.start_main_~x~4 (* 25 ULTIMATE.start_main_~y~4))), 7427#(<= 1860 (+ ULTIMATE.start_main_~x~4 (* 24 ULTIMATE.start_main_~y~4))), 7428#(<= 1952 (+ ULTIMATE.start_main_~x~4 (* 23 ULTIMATE.start_main_~y~4))), 7429#(<= 2040 (+ ULTIMATE.start_main_~x~4 (* 22 ULTIMATE.start_main_~y~4))), 7430#(<= 2124 (+ ULTIMATE.start_main_~x~4 (* 21 ULTIMATE.start_main_~y~4))), 7431#(<= 2204 (+ ULTIMATE.start_main_~x~4 (* 20 ULTIMATE.start_main_~y~4))), 7432#(<= 2280 (+ ULTIMATE.start_main_~x~4 (* 19 ULTIMATE.start_main_~y~4))), 7433#(<= 2352 (+ ULTIMATE.start_main_~x~4 (* 18 ULTIMATE.start_main_~y~4))), 7434#(<= 2420 (+ ULTIMATE.start_main_~x~4 (* 17 ULTIMATE.start_main_~y~4))), 7435#(<= 2484 (+ ULTIMATE.start_main_~x~4 (* 16 ULTIMATE.start_main_~y~4))), 7436#(<= 2544 (+ ULTIMATE.start_main_~x~4 (* 15 ULTIMATE.start_main_~y~4))), 7437#(<= 2600 (+ ULTIMATE.start_main_~x~4 (* 14 ULTIMATE.start_main_~y~4))), 7438#(<= 2652 (+ ULTIMATE.start_main_~x~4 (* 13 ULTIMATE.start_main_~y~4))), 7439#(<= 2700 (+ ULTIMATE.start_main_~x~4 (* 12 ULTIMATE.start_main_~y~4))), 7440#(<= 2744 (+ ULTIMATE.start_main_~x~4 (* 11 ULTIMATE.start_main_~y~4))), 7441#(<= 2784 (+ ULTIMATE.start_main_~x~4 (* 10 ULTIMATE.start_main_~y~4))), 7442#(<= 2820 (+ ULTIMATE.start_main_~x~4 (* 9 ULTIMATE.start_main_~y~4))), 7443#(<= 2852 (+ ULTIMATE.start_main_~x~4 (* 8 ULTIMATE.start_main_~y~4))), 7444#(<= 2880 (+ ULTIMATE.start_main_~x~4 (* 7 ULTIMATE.start_main_~y~4))), 7445#(<= 2904 (+ ULTIMATE.start_main_~x~4 (* 6 ULTIMATE.start_main_~y~4))), 7446#(<= 2924 (+ ULTIMATE.start_main_~x~4 (* 5 ULTIMATE.start_main_~y~4))), 7447#(<= 2940 (+ ULTIMATE.start_main_~x~4 (* 4 ULTIMATE.start_main_~y~4))), 7448#(<= 2952 (+ ULTIMATE.start_main_~x~4 (* 3 ULTIMATE.start_main_~y~4))), 7449#(<= 2960 (+ ULTIMATE.start_main_~x~4 (* 2 ULTIMATE.start_main_~y~4))), 7450#(<= 2964 (+ ULTIMATE.start_main_~x~4 ULTIMATE.start_main_~y~4)), 7451#(<= 1 ULTIMATE.start___VERIFIER_assert_~cond), 7411#true, 7412#false, 7413#(<= 152 (+ ULTIMATE.start_main_~x~4 (* 38 ULTIMATE.start_main_~y~4))), 7414#(<= 300 (+ ULTIMATE.start_main_~x~4 (* 37 ULTIMATE.start_main_~y~4))), 7415#(<= 444 (+ ULTIMATE.start_main_~x~4 (* 36 ULTIMATE.start_main_~y~4))), 7416#(<= 584 (+ ULTIMATE.start_main_~x~4 (* 35 ULTIMATE.start_main_~y~4))), 7417#(<= 720 (+ ULTIMATE.start_main_~x~4 (* 34 ULTIMATE.start_main_~y~4))), 7418#(<= 852 (+ ULTIMATE.start_main_~x~4 (* 33 ULTIMATE.start_main_~y~4))), 7419#(<= 980 (+ ULTIMATE.start_main_~x~4 (* 32 ULTIMATE.start_main_~y~4))), 7420#(<= 1104 (+ ULTIMATE.start_main_~x~4 (* 31 ULTIMATE.start_main_~y~4))), 7421#(<= 1224 (+ ULTIMATE.start_main_~x~4 (* 30 ULTIMATE.start_main_~y~4))), 7422#(<= 1340 (+ ULTIMATE.start_main_~x~4 (* 29 ULTIMATE.start_main_~y~4))), 7423#(<= 1452 (+ ULTIMATE.start_main_~x~4 (* 28 ULTIMATE.start_main_~y~4)))] [2018-07-23 13:41:20,075 INFO L134 CoverageAnalysis]: Checked inductivity of 1406 backedges. 0 proven. 1406 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-07-23 13:41:20,076 INFO L450 AbstractCegarLoop]: Interpolant automaton has 41 states [2018-07-23 13:41:20,076 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 41 interpolants. [2018-07-23 13:41:20,076 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=79, Invalid=1561, Unknown=0, NotChecked=0, Total=1640 [2018-07-23 13:41:20,077 INFO L87 Difference]: Start difference. First operand 79 states and 79 transitions. Second operand 41 states. [2018-07-23 13:41:20,564 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-07-23 13:41:20,564 INFO L93 Difference]: Finished difference Result 84 states and 84 transitions. [2018-07-23 13:41:20,565 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 41 states. [2018-07-23 13:41:20,565 INFO L78 Accepts]: Start accepts. Automaton has 41 states. Word has length 78 [2018-07-23 13:41:20,565 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-07-23 13:41:20,566 INFO L225 Difference]: With dead ends: 84 [2018-07-23 13:41:20,566 INFO L226 Difference]: Without dead ends: 82 [2018-07-23 13:41:20,567 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 13:41:20,567 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 82 states. [2018-07-23 13:41:20,589 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 82 to 81. [2018-07-23 13:41:20,590 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 81 states. [2018-07-23 13:41:20,590 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 81 states to 81 states and 81 transitions. [2018-07-23 13:41:20,590 INFO L78 Accepts]: Start accepts. Automaton has 81 states and 81 transitions. Word has length 78 [2018-07-23 13:41:20,591 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-07-23 13:41:20,591 INFO L471 AbstractCegarLoop]: Abstraction has 81 states and 81 transitions. [2018-07-23 13:41:20,591 INFO L472 AbstractCegarLoop]: Interpolant automaton has 41 states. [2018-07-23 13:41:20,591 INFO L276 IsEmpty]: Start isEmpty. Operand 81 states and 81 transitions. [2018-07-23 13:41:20,591 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 81 [2018-07-23 13:41:20,592 INFO L349 BasicCegarLoop]: Found error trace [2018-07-23 13:41:20,592 INFO L357 BasicCegarLoop]: trace histogram [39, 38, 1, 1, 1] [2018-07-23 13:41:20,592 INFO L414 AbstractCegarLoop]: === Iteration 39 === [ULTIMATE.startErr0AssertViolationASSERT]=== [2018-07-23 13:41:20,592 INFO L82 PathProgramCache]: Analyzing trace with hash 1086983575, now seen corresponding path program 38 times [2018-07-23 13:41:20,592 INFO L69 tionRefinementEngine]: Using refinement strategy FixedRefinementStrategy [2018-07-23 13:41:20,625 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-07-23 13:41:20,859 INFO L134 CoverageAnalysis]: Checked inductivity of 1482 backedges. 0 proven. 1482 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-07-23 13:41:20,859 INFO L309 seRefinementStrategy]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2018-07-23 13:41:20,860 INFO L324 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [41] total 41 [2018-07-23 13:41:20,860 INFO L142 lantAutomatonBuilder]: Constructing canonical interpolant automaton, with selfloop in false state [2018-07-23 13:41:20,860 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-07-23 13:41:20,860 INFO L185 omatonBuilderFactory]: Interpolants [7808#(<= 2700 (+ ULTIMATE.start_main_~x~4 (* 15 ULTIMATE.start_main_~y~4))), 7809#(<= 2756 (+ ULTIMATE.start_main_~x~4 (* 14 ULTIMATE.start_main_~y~4))), 7810#(<= 2808 (+ ULTIMATE.start_main_~x~4 (* 13 ULTIMATE.start_main_~y~4))), 7811#(<= 2856 (+ ULTIMATE.start_main_~x~4 (* 12 ULTIMATE.start_main_~y~4))), 7812#(<= 2900 (+ ULTIMATE.start_main_~x~4 (* 11 ULTIMATE.start_main_~y~4))), 7813#(<= 2940 (+ ULTIMATE.start_main_~x~4 (* 10 ULTIMATE.start_main_~y~4))), 7814#(<= 2976 (+ ULTIMATE.start_main_~x~4 (* 9 ULTIMATE.start_main_~y~4))), 7815#(<= 3008 (+ ULTIMATE.start_main_~x~4 (* 8 ULTIMATE.start_main_~y~4))), 7816#(<= 3036 (+ ULTIMATE.start_main_~x~4 (* 7 ULTIMATE.start_main_~y~4))), 7817#(<= 3060 (+ ULTIMATE.start_main_~x~4 (* 6 ULTIMATE.start_main_~y~4))), 7818#(<= 3080 (+ ULTIMATE.start_main_~x~4 (* 5 ULTIMATE.start_main_~y~4))), 7819#(<= 3096 (+ ULTIMATE.start_main_~x~4 (* 4 ULTIMATE.start_main_~y~4))), 7820#(<= 3108 (+ ULTIMATE.start_main_~x~4 (* 3 ULTIMATE.start_main_~y~4))), 7821#(<= 3116 (+ ULTIMATE.start_main_~x~4 (* 2 ULTIMATE.start_main_~y~4))), 7822#(<= 3120 (+ ULTIMATE.start_main_~x~4 ULTIMATE.start_main_~y~4)), 7823#(<= 1 ULTIMATE.start___VERIFIER_assert_~cond), 7782#true, 7783#false, 7784#(<= 156 (+ ULTIMATE.start_main_~x~4 (* 39 ULTIMATE.start_main_~y~4))), 7785#(<= 308 (+ ULTIMATE.start_main_~x~4 (* 38 ULTIMATE.start_main_~y~4))), 7786#(<= 456 (+ ULTIMATE.start_main_~x~4 (* 37 ULTIMATE.start_main_~y~4))), 7787#(<= 600 (+ ULTIMATE.start_main_~x~4 (* 36 ULTIMATE.start_main_~y~4))), 7788#(<= 740 (+ ULTIMATE.start_main_~x~4 (* 35 ULTIMATE.start_main_~y~4))), 7789#(<= 876 (+ ULTIMATE.start_main_~x~4 (* 34 ULTIMATE.start_main_~y~4))), 7790#(<= 1008 (+ ULTIMATE.start_main_~x~4 (* 33 ULTIMATE.start_main_~y~4))), 7791#(<= 1136 (+ ULTIMATE.start_main_~x~4 (* 32 ULTIMATE.start_main_~y~4))), 7792#(<= 1260 (+ ULTIMATE.start_main_~x~4 (* 31 ULTIMATE.start_main_~y~4))), 7793#(<= 1380 (+ ULTIMATE.start_main_~x~4 (* 30 ULTIMATE.start_main_~y~4))), 7794#(<= 1496 (+ ULTIMATE.start_main_~x~4 (* 29 ULTIMATE.start_main_~y~4))), 7795#(<= 1608 (+ ULTIMATE.start_main_~x~4 (* 28 ULTIMATE.start_main_~y~4))), 7796#(<= 1716 (+ ULTIMATE.start_main_~x~4 (* 27 ULTIMATE.start_main_~y~4))), 7797#(<= 1820 (+ ULTIMATE.start_main_~x~4 (* 26 ULTIMATE.start_main_~y~4))), 7798#(<= 1920 (+ ULTIMATE.start_main_~x~4 (* 25 ULTIMATE.start_main_~y~4))), 7799#(<= 2016 (+ ULTIMATE.start_main_~x~4 (* 24 ULTIMATE.start_main_~y~4))), 7800#(<= 2108 (+ ULTIMATE.start_main_~x~4 (* 23 ULTIMATE.start_main_~y~4))), 7801#(<= 2196 (+ ULTIMATE.start_main_~x~4 (* 22 ULTIMATE.start_main_~y~4))), 7802#(<= 2280 (+ ULTIMATE.start_main_~x~4 (* 21 ULTIMATE.start_main_~y~4))), 7803#(<= 2360 (+ ULTIMATE.start_main_~x~4 (* 20 ULTIMATE.start_main_~y~4))), 7804#(<= 2436 (+ ULTIMATE.start_main_~x~4 (* 19 ULTIMATE.start_main_~y~4))), 7805#(<= 2508 (+ ULTIMATE.start_main_~x~4 (* 18 ULTIMATE.start_main_~y~4))), 7806#(<= 2576 (+ ULTIMATE.start_main_~x~4 (* 17 ULTIMATE.start_main_~y~4))), 7807#(<= 2640 (+ ULTIMATE.start_main_~x~4 (* 16 ULTIMATE.start_main_~y~4)))] [2018-07-23 13:41:20,861 INFO L134 CoverageAnalysis]: Checked inductivity of 1482 backedges. 0 proven. 1482 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-07-23 13:41:20,861 INFO L450 AbstractCegarLoop]: Interpolant automaton has 42 states [2018-07-23 13:41:20,861 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 42 interpolants. [2018-07-23 13:41:20,862 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=81, Invalid=1641, Unknown=0, NotChecked=0, Total=1722 [2018-07-23 13:41:20,862 INFO L87 Difference]: Start difference. First operand 81 states and 81 transitions. Second operand 42 states. [2018-07-23 13:41:21,347 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-07-23 13:41:21,347 INFO L93 Difference]: Finished difference Result 86 states and 86 transitions. [2018-07-23 13:41:21,347 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 42 states. [2018-07-23 13:41:21,347 INFO L78 Accepts]: Start accepts. Automaton has 42 states. Word has length 80 [2018-07-23 13:41:21,348 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-07-23 13:41:21,348 INFO L225 Difference]: With dead ends: 86 [2018-07-23 13:41:21,348 INFO L226 Difference]: Without dead ends: 84 [2018-07-23 13:41:21,351 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 13:41:21,352 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 84 states. [2018-07-23 13:41:21,374 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 84 to 83. [2018-07-23 13:41:21,374 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 83 states. [2018-07-23 13:41:21,375 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 83 states to 83 states and 83 transitions. [2018-07-23 13:41:21,375 INFO L78 Accepts]: Start accepts. Automaton has 83 states and 83 transitions. Word has length 80 [2018-07-23 13:41:21,375 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-07-23 13:41:21,375 INFO L471 AbstractCegarLoop]: Abstraction has 83 states and 83 transitions. [2018-07-23 13:41:21,376 INFO L472 AbstractCegarLoop]: Interpolant automaton has 42 states. [2018-07-23 13:41:21,376 INFO L276 IsEmpty]: Start isEmpty. Operand 83 states and 83 transitions. [2018-07-23 13:41:21,376 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 83 [2018-07-23 13:41:21,376 INFO L349 BasicCegarLoop]: Found error trace [2018-07-23 13:41:21,377 INFO L357 BasicCegarLoop]: trace histogram [40, 39, 1, 1, 1] [2018-07-23 13:41:21,377 INFO L414 AbstractCegarLoop]: === Iteration 40 === [ULTIMATE.startErr0AssertViolationASSERT]=== [2018-07-23 13:41:21,377 INFO L82 PathProgramCache]: Analyzing trace with hash 914109345, now seen corresponding path program 39 times [2018-07-23 13:41:21,377 INFO L69 tionRefinementEngine]: Using refinement strategy FixedRefinementStrategy [2018-07-23 13:41:21,415 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-07-23 13:41:21,689 INFO L134 CoverageAnalysis]: Checked inductivity of 1560 backedges. 0 proven. 1560 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-07-23 13:41:21,689 INFO L309 seRefinementStrategy]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2018-07-23 13:41:21,691 INFO L324 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [42] total 42 [2018-07-23 13:41:21,692 INFO L142 lantAutomatonBuilder]: Constructing canonical interpolant automaton, with selfloop in false state [2018-07-23 13:41:21,692 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-07-23 13:41:21,693 INFO L185 omatonBuilderFactory]: Interpolants [8192#(<= 3016 (+ ULTIMATE.start_main_~x~4 (* 12 ULTIMATE.start_main_~y~4))), 8193#(<= 3060 (+ ULTIMATE.start_main_~x~4 (* 11 ULTIMATE.start_main_~y~4))), 8194#(<= 3100 (+ ULTIMATE.start_main_~x~4 (* 10 ULTIMATE.start_main_~y~4))), 8195#(<= 3136 (+ ULTIMATE.start_main_~x~4 (* 9 ULTIMATE.start_main_~y~4))), 8196#(<= 3168 (+ ULTIMATE.start_main_~x~4 (* 8 ULTIMATE.start_main_~y~4))), 8197#(<= 3196 (+ ULTIMATE.start_main_~x~4 (* 7 ULTIMATE.start_main_~y~4))), 8198#(<= 3220 (+ ULTIMATE.start_main_~x~4 (* 6 ULTIMATE.start_main_~y~4))), 8199#(<= 3240 (+ ULTIMATE.start_main_~x~4 (* 5 ULTIMATE.start_main_~y~4))), 8200#(<= 3256 (+ ULTIMATE.start_main_~x~4 (* 4 ULTIMATE.start_main_~y~4))), 8201#(<= 3268 (+ ULTIMATE.start_main_~x~4 (* 3 ULTIMATE.start_main_~y~4))), 8202#(<= 3276 (+ ULTIMATE.start_main_~x~4 (* 2 ULTIMATE.start_main_~y~4))), 8203#(<= 3280 (+ ULTIMATE.start_main_~x~4 ULTIMATE.start_main_~y~4)), 8204#(<= 1 ULTIMATE.start___VERIFIER_assert_~cond), 8162#true, 8163#false, 8164#(<= 160 (+ ULTIMATE.start_main_~x~4 (* 40 ULTIMATE.start_main_~y~4))), 8165#(<= 316 (+ ULTIMATE.start_main_~x~4 (* 39 ULTIMATE.start_main_~y~4))), 8166#(<= 468 (+ ULTIMATE.start_main_~x~4 (* 38 ULTIMATE.start_main_~y~4))), 8167#(<= 616 (+ ULTIMATE.start_main_~x~4 (* 37 ULTIMATE.start_main_~y~4))), 8168#(<= 760 (+ ULTIMATE.start_main_~x~4 (* 36 ULTIMATE.start_main_~y~4))), 8169#(<= 900 (+ ULTIMATE.start_main_~x~4 (* 35 ULTIMATE.start_main_~y~4))), 8170#(<= 1036 (+ ULTIMATE.start_main_~x~4 (* 34 ULTIMATE.start_main_~y~4))), 8171#(<= 1168 (+ ULTIMATE.start_main_~x~4 (* 33 ULTIMATE.start_main_~y~4))), 8172#(<= 1296 (+ ULTIMATE.start_main_~x~4 (* 32 ULTIMATE.start_main_~y~4))), 8173#(<= 1420 (+ ULTIMATE.start_main_~x~4 (* 31 ULTIMATE.start_main_~y~4))), 8174#(<= 1540 (+ ULTIMATE.start_main_~x~4 (* 30 ULTIMATE.start_main_~y~4))), 8175#(<= 1656 (+ ULTIMATE.start_main_~x~4 (* 29 ULTIMATE.start_main_~y~4))), 8176#(<= 1768 (+ ULTIMATE.start_main_~x~4 (* 28 ULTIMATE.start_main_~y~4))), 8177#(<= 1876 (+ ULTIMATE.start_main_~x~4 (* 27 ULTIMATE.start_main_~y~4))), 8178#(<= 1980 (+ ULTIMATE.start_main_~x~4 (* 26 ULTIMATE.start_main_~y~4))), 8179#(<= 2080 (+ ULTIMATE.start_main_~x~4 (* 25 ULTIMATE.start_main_~y~4))), 8180#(<= 2176 (+ ULTIMATE.start_main_~x~4 (* 24 ULTIMATE.start_main_~y~4))), 8181#(<= 2268 (+ ULTIMATE.start_main_~x~4 (* 23 ULTIMATE.start_main_~y~4))), 8182#(<= 2356 (+ ULTIMATE.start_main_~x~4 (* 22 ULTIMATE.start_main_~y~4))), 8183#(<= 2440 (+ ULTIMATE.start_main_~x~4 (* 21 ULTIMATE.start_main_~y~4))), 8184#(<= 2520 (+ ULTIMATE.start_main_~x~4 (* 20 ULTIMATE.start_main_~y~4))), 8185#(<= 2596 (+ ULTIMATE.start_main_~x~4 (* 19 ULTIMATE.start_main_~y~4))), 8186#(<= 2668 (+ ULTIMATE.start_main_~x~4 (* 18 ULTIMATE.start_main_~y~4))), 8187#(<= 2736 (+ ULTIMATE.start_main_~x~4 (* 17 ULTIMATE.start_main_~y~4))), 8188#(<= 2800 (+ ULTIMATE.start_main_~x~4 (* 16 ULTIMATE.start_main_~y~4))), 8189#(<= 2860 (+ ULTIMATE.start_main_~x~4 (* 15 ULTIMATE.start_main_~y~4))), 8190#(<= 2916 (+ ULTIMATE.start_main_~x~4 (* 14 ULTIMATE.start_main_~y~4))), 8191#(<= 2968 (+ ULTIMATE.start_main_~x~4 (* 13 ULTIMATE.start_main_~y~4)))] [2018-07-23 13:41:21,693 INFO L134 CoverageAnalysis]: Checked inductivity of 1560 backedges. 0 proven. 1560 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-07-23 13:41:21,693 INFO L450 AbstractCegarLoop]: Interpolant automaton has 43 states [2018-07-23 13:41:21,694 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 43 interpolants. [2018-07-23 13:41:21,695 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=83, Invalid=1723, Unknown=0, NotChecked=0, Total=1806 [2018-07-23 13:41:21,695 INFO L87 Difference]: Start difference. First operand 83 states and 83 transitions. Second operand 43 states. [2018-07-23 13:41:22,312 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-07-23 13:41:22,312 INFO L93 Difference]: Finished difference Result 88 states and 88 transitions. [2018-07-23 13:41:22,313 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 43 states. [2018-07-23 13:41:22,313 INFO L78 Accepts]: Start accepts. Automaton has 43 states. Word has length 82 [2018-07-23 13:41:22,313 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-07-23 13:41:22,314 INFO L225 Difference]: With dead ends: 88 [2018-07-23 13:41:22,314 INFO L226 Difference]: Without dead ends: 86 [2018-07-23 13:41:22,315 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 13:41:22,315 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 86 states. [2018-07-23 13:41:22,354 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 86 to 85. [2018-07-23 13:41:22,355 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 85 states. [2018-07-23 13:41:22,355 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 85 states to 85 states and 85 transitions. [2018-07-23 13:41:22,355 INFO L78 Accepts]: Start accepts. Automaton has 85 states and 85 transitions. Word has length 82 [2018-07-23 13:41:22,356 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-07-23 13:41:22,356 INFO L471 AbstractCegarLoop]: Abstraction has 85 states and 85 transitions. [2018-07-23 13:41:22,356 INFO L472 AbstractCegarLoop]: Interpolant automaton has 43 states. [2018-07-23 13:41:22,356 INFO L276 IsEmpty]: Start isEmpty. Operand 85 states and 85 transitions. [2018-07-23 13:41:22,357 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 85 [2018-07-23 13:41:22,357 INFO L349 BasicCegarLoop]: Found error trace [2018-07-23 13:41:22,357 INFO L357 BasicCegarLoop]: trace histogram [41, 40, 1, 1, 1] [2018-07-23 13:41:22,358 INFO L414 AbstractCegarLoop]: === Iteration 41 === [ULTIMATE.startErr0AssertViolationASSERT]=== [2018-07-23 13:41:22,358 INFO L82 PathProgramCache]: Analyzing trace with hash -2009268437, now seen corresponding path program 40 times [2018-07-23 13:41:22,358 INFO L69 tionRefinementEngine]: Using refinement strategy FixedRefinementStrategy [2018-07-23 13:41:22,394 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-07-23 13:41:22,656 INFO L134 CoverageAnalysis]: Checked inductivity of 1640 backedges. 0 proven. 1640 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-07-23 13:41:22,656 INFO L309 seRefinementStrategy]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2018-07-23 13:41:22,656 INFO L324 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [43] total 43 [2018-07-23 13:41:22,656 INFO L142 lantAutomatonBuilder]: Constructing canonical interpolant automaton, with selfloop in false state [2018-07-23 13:41:22,657 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-07-23 13:41:22,657 INFO L185 omatonBuilderFactory]: Interpolants [8576#(<= 2832 (+ ULTIMATE.start_main_~x~4 (* 18 ULTIMATE.start_main_~y~4))), 8577#(<= 2900 (+ ULTIMATE.start_main_~x~4 (* 17 ULTIMATE.start_main_~y~4))), 8578#(<= 2964 (+ ULTIMATE.start_main_~x~4 (* 16 ULTIMATE.start_main_~y~4))), 8579#(<= 3024 (+ ULTIMATE.start_main_~x~4 (* 15 ULTIMATE.start_main_~y~4))), 8580#(<= 3080 (+ ULTIMATE.start_main_~x~4 (* 14 ULTIMATE.start_main_~y~4))), 8581#(<= 3132 (+ ULTIMATE.start_main_~x~4 (* 13 ULTIMATE.start_main_~y~4))), 8582#(<= 3180 (+ ULTIMATE.start_main_~x~4 (* 12 ULTIMATE.start_main_~y~4))), 8583#(<= 3224 (+ ULTIMATE.start_main_~x~4 (* 11 ULTIMATE.start_main_~y~4))), 8584#(<= 3264 (+ ULTIMATE.start_main_~x~4 (* 10 ULTIMATE.start_main_~y~4))), 8585#(<= 3300 (+ ULTIMATE.start_main_~x~4 (* 9 ULTIMATE.start_main_~y~4))), 8586#(<= 3332 (+ ULTIMATE.start_main_~x~4 (* 8 ULTIMATE.start_main_~y~4))), 8587#(<= 3360 (+ ULTIMATE.start_main_~x~4 (* 7 ULTIMATE.start_main_~y~4))), 8588#(<= 3384 (+ ULTIMATE.start_main_~x~4 (* 6 ULTIMATE.start_main_~y~4))), 8589#(<= 3404 (+ ULTIMATE.start_main_~x~4 (* 5 ULTIMATE.start_main_~y~4))), 8590#(<= 3420 (+ ULTIMATE.start_main_~x~4 (* 4 ULTIMATE.start_main_~y~4))), 8591#(<= 3432 (+ ULTIMATE.start_main_~x~4 (* 3 ULTIMATE.start_main_~y~4))), 8592#(<= 3440 (+ ULTIMATE.start_main_~x~4 (* 2 ULTIMATE.start_main_~y~4))), 8593#(<= 3444 (+ ULTIMATE.start_main_~x~4 ULTIMATE.start_main_~y~4)), 8594#(<= 1 ULTIMATE.start___VERIFIER_assert_~cond), 8551#true, 8552#false, 8553#(<= 164 (+ ULTIMATE.start_main_~x~4 (* 41 ULTIMATE.start_main_~y~4))), 8554#(<= 324 (+ ULTIMATE.start_main_~x~4 (* 40 ULTIMATE.start_main_~y~4))), 8555#(<= 480 (+ ULTIMATE.start_main_~x~4 (* 39 ULTIMATE.start_main_~y~4))), 8556#(<= 632 (+ ULTIMATE.start_main_~x~4 (* 38 ULTIMATE.start_main_~y~4))), 8557#(<= 780 (+ ULTIMATE.start_main_~x~4 (* 37 ULTIMATE.start_main_~y~4))), 8558#(<= 924 (+ ULTIMATE.start_main_~x~4 (* 36 ULTIMATE.start_main_~y~4))), 8559#(<= 1064 (+ ULTIMATE.start_main_~x~4 (* 35 ULTIMATE.start_main_~y~4))), 8560#(<= 1200 (+ ULTIMATE.start_main_~x~4 (* 34 ULTIMATE.start_main_~y~4))), 8561#(<= 1332 (+ ULTIMATE.start_main_~x~4 (* 33 ULTIMATE.start_main_~y~4))), 8562#(<= 1460 (+ ULTIMATE.start_main_~x~4 (* 32 ULTIMATE.start_main_~y~4))), 8563#(<= 1584 (+ ULTIMATE.start_main_~x~4 (* 31 ULTIMATE.start_main_~y~4))), 8564#(<= 1704 (+ ULTIMATE.start_main_~x~4 (* 30 ULTIMATE.start_main_~y~4))), 8565#(<= 1820 (+ ULTIMATE.start_main_~x~4 (* 29 ULTIMATE.start_main_~y~4))), 8566#(<= 1932 (+ ULTIMATE.start_main_~x~4 (* 28 ULTIMATE.start_main_~y~4))), 8567#(<= 2040 (+ ULTIMATE.start_main_~x~4 (* 27 ULTIMATE.start_main_~y~4))), 8568#(<= 2144 (+ ULTIMATE.start_main_~x~4 (* 26 ULTIMATE.start_main_~y~4))), 8569#(<= 2244 (+ ULTIMATE.start_main_~x~4 (* 25 ULTIMATE.start_main_~y~4))), 8570#(<= 2340 (+ ULTIMATE.start_main_~x~4 (* 24 ULTIMATE.start_main_~y~4))), 8571#(<= 2432 (+ ULTIMATE.start_main_~x~4 (* 23 ULTIMATE.start_main_~y~4))), 8572#(<= 2520 (+ ULTIMATE.start_main_~x~4 (* 22 ULTIMATE.start_main_~y~4))), 8573#(<= 2604 (+ ULTIMATE.start_main_~x~4 (* 21 ULTIMATE.start_main_~y~4))), 8574#(<= 2684 (+ ULTIMATE.start_main_~x~4 (* 20 ULTIMATE.start_main_~y~4))), 8575#(<= 2760 (+ ULTIMATE.start_main_~x~4 (* 19 ULTIMATE.start_main_~y~4)))] [2018-07-23 13:41:22,658 INFO L134 CoverageAnalysis]: Checked inductivity of 1640 backedges. 0 proven. 1640 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-07-23 13:41:22,658 INFO L450 AbstractCegarLoop]: Interpolant automaton has 44 states [2018-07-23 13:41:22,658 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 44 interpolants. [2018-07-23 13:41:22,659 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=85, Invalid=1807, Unknown=0, NotChecked=0, Total=1892 [2018-07-23 13:41:22,659 INFO L87 Difference]: Start difference. First operand 85 states and 85 transitions. Second operand 44 states. [2018-07-23 13:41:23,169 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-07-23 13:41:23,170 INFO L93 Difference]: Finished difference Result 90 states and 90 transitions. [2018-07-23 13:41:23,170 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 44 states. [2018-07-23 13:41:23,170 INFO L78 Accepts]: Start accepts. Automaton has 44 states. Word has length 84 [2018-07-23 13:41:23,170 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-07-23 13:41:23,171 INFO L225 Difference]: With dead ends: 90 [2018-07-23 13:41:23,171 INFO L226 Difference]: Without dead ends: 88 [2018-07-23 13:41:23,172 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 13:41:23,173 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 88 states. [2018-07-23 13:41:23,196 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 88 to 87. [2018-07-23 13:41:23,196 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 87 states. [2018-07-23 13:41:23,197 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 87 states to 87 states and 87 transitions. [2018-07-23 13:41:23,197 INFO L78 Accepts]: Start accepts. Automaton has 87 states and 87 transitions. Word has length 84 [2018-07-23 13:41:23,197 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-07-23 13:41:23,197 INFO L471 AbstractCegarLoop]: Abstraction has 87 states and 87 transitions. [2018-07-23 13:41:23,197 INFO L472 AbstractCegarLoop]: Interpolant automaton has 44 states. [2018-07-23 13:41:23,197 INFO L276 IsEmpty]: Start isEmpty. Operand 87 states and 87 transitions. [2018-07-23 13:41:23,198 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 87 [2018-07-23 13:41:23,198 INFO L349 BasicCegarLoop]: Found error trace [2018-07-23 13:41:23,198 INFO L357 BasicCegarLoop]: trace histogram [42, 41, 1, 1, 1] [2018-07-23 13:41:23,199 INFO L414 AbstractCegarLoop]: === Iteration 42 === [ULTIMATE.startErr0AssertViolationASSERT]=== [2018-07-23 13:41:23,199 INFO L82 PathProgramCache]: Analyzing trace with hash 1828261941, now seen corresponding path program 41 times [2018-07-23 13:41:23,199 INFO L69 tionRefinementEngine]: Using refinement strategy FixedRefinementStrategy [2018-07-23 13:41:23,239 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-07-23 13:41:23,498 INFO L134 CoverageAnalysis]: Checked inductivity of 1722 backedges. 0 proven. 1722 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-07-23 13:41:23,498 INFO L309 seRefinementStrategy]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2018-07-23 13:41:23,498 INFO L324 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [44] total 44 [2018-07-23 13:41:23,499 INFO L142 lantAutomatonBuilder]: Constructing canonical interpolant automaton, with selfloop in false state [2018-07-23 13:41:23,499 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-07-23 13:41:23,499 INFO L185 omatonBuilderFactory]: Interpolants [8960#(<= 1500 (+ ULTIMATE.start_main_~x~4 (* 33 ULTIMATE.start_main_~y~4))), 8961#(<= 1628 (+ ULTIMATE.start_main_~x~4 (* 32 ULTIMATE.start_main_~y~4))), 8962#(<= 1752 (+ ULTIMATE.start_main_~x~4 (* 31 ULTIMATE.start_main_~y~4))), 8963#(<= 1872 (+ ULTIMATE.start_main_~x~4 (* 30 ULTIMATE.start_main_~y~4))), 8964#(<= 1988 (+ ULTIMATE.start_main_~x~4 (* 29 ULTIMATE.start_main_~y~4))), 8965#(<= 2100 (+ ULTIMATE.start_main_~x~4 (* 28 ULTIMATE.start_main_~y~4))), 8966#(<= 2208 (+ ULTIMATE.start_main_~x~4 (* 27 ULTIMATE.start_main_~y~4))), 8967#(<= 2312 (+ ULTIMATE.start_main_~x~4 (* 26 ULTIMATE.start_main_~y~4))), 8968#(<= 2412 (+ ULTIMATE.start_main_~x~4 (* 25 ULTIMATE.start_main_~y~4))), 8969#(<= 2508 (+ ULTIMATE.start_main_~x~4 (* 24 ULTIMATE.start_main_~y~4))), 8970#(<= 2600 (+ ULTIMATE.start_main_~x~4 (* 23 ULTIMATE.start_main_~y~4))), 8971#(<= 2688 (+ ULTIMATE.start_main_~x~4 (* 22 ULTIMATE.start_main_~y~4))), 8972#(<= 2772 (+ ULTIMATE.start_main_~x~4 (* 21 ULTIMATE.start_main_~y~4))), 8973#(<= 2852 (+ ULTIMATE.start_main_~x~4 (* 20 ULTIMATE.start_main_~y~4))), 8974#(<= 2928 (+ ULTIMATE.start_main_~x~4 (* 19 ULTIMATE.start_main_~y~4))), 8975#(<= 3000 (+ ULTIMATE.start_main_~x~4 (* 18 ULTIMATE.start_main_~y~4))), 8976#(<= 3068 (+ ULTIMATE.start_main_~x~4 (* 17 ULTIMATE.start_main_~y~4))), 8977#(<= 3132 (+ ULTIMATE.start_main_~x~4 (* 16 ULTIMATE.start_main_~y~4))), 8978#(<= 3192 (+ ULTIMATE.start_main_~x~4 (* 15 ULTIMATE.start_main_~y~4))), 8979#(<= 3248 (+ ULTIMATE.start_main_~x~4 (* 14 ULTIMATE.start_main_~y~4))), 8980#(<= 3300 (+ ULTIMATE.start_main_~x~4 (* 13 ULTIMATE.start_main_~y~4))), 8981#(<= 3348 (+ ULTIMATE.start_main_~x~4 (* 12 ULTIMATE.start_main_~y~4))), 8982#(<= 3392 (+ ULTIMATE.start_main_~x~4 (* 11 ULTIMATE.start_main_~y~4))), 8983#(<= 3432 (+ ULTIMATE.start_main_~x~4 (* 10 ULTIMATE.start_main_~y~4))), 8984#(<= 3468 (+ ULTIMATE.start_main_~x~4 (* 9 ULTIMATE.start_main_~y~4))), 8985#(<= 3500 (+ ULTIMATE.start_main_~x~4 (* 8 ULTIMATE.start_main_~y~4))), 8986#(<= 3528 (+ ULTIMATE.start_main_~x~4 (* 7 ULTIMATE.start_main_~y~4))), 8987#(<= 3552 (+ ULTIMATE.start_main_~x~4 (* 6 ULTIMATE.start_main_~y~4))), 8988#(<= 3572 (+ ULTIMATE.start_main_~x~4 (* 5 ULTIMATE.start_main_~y~4))), 8989#(<= 3588 (+ ULTIMATE.start_main_~x~4 (* 4 ULTIMATE.start_main_~y~4))), 8990#(<= 3600 (+ ULTIMATE.start_main_~x~4 (* 3 ULTIMATE.start_main_~y~4))), 8991#(<= 3608 (+ ULTIMATE.start_main_~x~4 (* 2 ULTIMATE.start_main_~y~4))), 8992#(<= 3612 (+ ULTIMATE.start_main_~x~4 ULTIMATE.start_main_~y~4)), 8993#(<= 1 ULTIMATE.start___VERIFIER_assert_~cond), 8949#true, 8950#false, 8951#(<= 168 (+ ULTIMATE.start_main_~x~4 (* 42 ULTIMATE.start_main_~y~4))), 8952#(<= 332 (+ ULTIMATE.start_main_~x~4 (* 41 ULTIMATE.start_main_~y~4))), 8953#(<= 492 (+ ULTIMATE.start_main_~x~4 (* 40 ULTIMATE.start_main_~y~4))), 8954#(<= 648 (+ ULTIMATE.start_main_~x~4 (* 39 ULTIMATE.start_main_~y~4))), 8955#(<= 800 (+ ULTIMATE.start_main_~x~4 (* 38 ULTIMATE.start_main_~y~4))), 8956#(<= 948 (+ ULTIMATE.start_main_~x~4 (* 37 ULTIMATE.start_main_~y~4))), 8957#(<= 1092 (+ ULTIMATE.start_main_~x~4 (* 36 ULTIMATE.start_main_~y~4))), 8958#(<= 1232 (+ ULTIMATE.start_main_~x~4 (* 35 ULTIMATE.start_main_~y~4))), 8959#(<= 1368 (+ ULTIMATE.start_main_~x~4 (* 34 ULTIMATE.start_main_~y~4)))] [2018-07-23 13:41:23,500 INFO L134 CoverageAnalysis]: Checked inductivity of 1722 backedges. 0 proven. 1722 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-07-23 13:41:23,500 INFO L450 AbstractCegarLoop]: Interpolant automaton has 45 states [2018-07-23 13:41:23,500 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 45 interpolants. [2018-07-23 13:41:23,501 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=87, Invalid=1893, Unknown=0, NotChecked=0, Total=1980 [2018-07-23 13:41:23,501 INFO L87 Difference]: Start difference. First operand 87 states and 87 transitions. Second operand 45 states. [2018-07-23 13:41:24,041 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-07-23 13:41:24,041 INFO L93 Difference]: Finished difference Result 92 states and 92 transitions. [2018-07-23 13:41:24,041 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 45 states. [2018-07-23 13:41:24,042 INFO L78 Accepts]: Start accepts. Automaton has 45 states. Word has length 86 [2018-07-23 13:41:24,042 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-07-23 13:41:24,042 INFO L225 Difference]: With dead ends: 92 [2018-07-23 13:41:24,043 INFO L226 Difference]: Without dead ends: 90 [2018-07-23 13:41:24,044 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 13:41:24,044 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 90 states. [2018-07-23 13:41:24,076 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 90 to 89. [2018-07-23 13:41:24,077 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 89 states. [2018-07-23 13:41:24,078 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 89 states to 89 states and 89 transitions. [2018-07-23 13:41:24,078 INFO L78 Accepts]: Start accepts. Automaton has 89 states and 89 transitions. Word has length 86 [2018-07-23 13:41:24,078 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-07-23 13:41:24,078 INFO L471 AbstractCegarLoop]: Abstraction has 89 states and 89 transitions. [2018-07-23 13:41:24,079 INFO L472 AbstractCegarLoop]: Interpolant automaton has 45 states. [2018-07-23 13:41:24,079 INFO L276 IsEmpty]: Start isEmpty. Operand 89 states and 89 transitions. [2018-07-23 13:41:24,079 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 89 [2018-07-23 13:41:24,079 INFO L349 BasicCegarLoop]: Found error trace [2018-07-23 13:41:24,080 INFO L357 BasicCegarLoop]: trace histogram [43, 42, 1, 1, 1] [2018-07-23 13:41:24,080 INFO L414 AbstractCegarLoop]: === Iteration 43 === [ULTIMATE.startErr0AssertViolationASSERT]=== [2018-07-23 13:41:24,080 INFO L82 PathProgramCache]: Analyzing trace with hash 318047935, now seen corresponding path program 42 times [2018-07-23 13:41:24,080 INFO L69 tionRefinementEngine]: Using refinement strategy FixedRefinementStrategy [2018-07-23 13:41:24,123 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-07-23 13:41:24,406 INFO L134 CoverageAnalysis]: Checked inductivity of 1806 backedges. 0 proven. 1806 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-07-23 13:41:24,406 INFO L309 seRefinementStrategy]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2018-07-23 13:41:24,406 INFO L324 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [45] total 45 [2018-07-23 13:41:24,407 INFO L142 lantAutomatonBuilder]: Constructing canonical interpolant automaton, with selfloop in false state [2018-07-23 13:41:24,407 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-07-23 13:41:24,407 INFO L185 omatonBuilderFactory]: Interpolants [9356#true, 9357#false, 9358#(<= 172 (+ ULTIMATE.start_main_~x~4 (* 43 ULTIMATE.start_main_~y~4))), 9359#(<= 340 (+ ULTIMATE.start_main_~x~4 (* 42 ULTIMATE.start_main_~y~4))), 9360#(<= 504 (+ ULTIMATE.start_main_~x~4 (* 41 ULTIMATE.start_main_~y~4))), 9361#(<= 664 (+ ULTIMATE.start_main_~x~4 (* 40 ULTIMATE.start_main_~y~4))), 9362#(<= 820 (+ ULTIMATE.start_main_~x~4 (* 39 ULTIMATE.start_main_~y~4))), 9363#(<= 972 (+ ULTIMATE.start_main_~x~4 (* 38 ULTIMATE.start_main_~y~4))), 9364#(<= 1120 (+ ULTIMATE.start_main_~x~4 (* 37 ULTIMATE.start_main_~y~4))), 9365#(<= 1264 (+ ULTIMATE.start_main_~x~4 (* 36 ULTIMATE.start_main_~y~4))), 9366#(<= 1404 (+ ULTIMATE.start_main_~x~4 (* 35 ULTIMATE.start_main_~y~4))), 9367#(<= 1540 (+ ULTIMATE.start_main_~x~4 (* 34 ULTIMATE.start_main_~y~4))), 9368#(<= 1672 (+ ULTIMATE.start_main_~x~4 (* 33 ULTIMATE.start_main_~y~4))), 9369#(<= 1800 (+ ULTIMATE.start_main_~x~4 (* 32 ULTIMATE.start_main_~y~4))), 9370#(<= 1924 (+ ULTIMATE.start_main_~x~4 (* 31 ULTIMATE.start_main_~y~4))), 9371#(<= 2044 (+ ULTIMATE.start_main_~x~4 (* 30 ULTIMATE.start_main_~y~4))), 9372#(<= 2160 (+ ULTIMATE.start_main_~x~4 (* 29 ULTIMATE.start_main_~y~4))), 9373#(<= 2272 (+ ULTIMATE.start_main_~x~4 (* 28 ULTIMATE.start_main_~y~4))), 9374#(<= 2380 (+ ULTIMATE.start_main_~x~4 (* 27 ULTIMATE.start_main_~y~4))), 9375#(<= 2484 (+ ULTIMATE.start_main_~x~4 (* 26 ULTIMATE.start_main_~y~4))), 9376#(<= 2584 (+ ULTIMATE.start_main_~x~4 (* 25 ULTIMATE.start_main_~y~4))), 9377#(<= 2680 (+ ULTIMATE.start_main_~x~4 (* 24 ULTIMATE.start_main_~y~4))), 9378#(<= 2772 (+ ULTIMATE.start_main_~x~4 (* 23 ULTIMATE.start_main_~y~4))), 9379#(<= 2860 (+ ULTIMATE.start_main_~x~4 (* 22 ULTIMATE.start_main_~y~4))), 9380#(<= 2944 (+ ULTIMATE.start_main_~x~4 (* 21 ULTIMATE.start_main_~y~4))), 9381#(<= 3024 (+ ULTIMATE.start_main_~x~4 (* 20 ULTIMATE.start_main_~y~4))), 9382#(<= 3100 (+ ULTIMATE.start_main_~x~4 (* 19 ULTIMATE.start_main_~y~4))), 9383#(<= 3172 (+ ULTIMATE.start_main_~x~4 (* 18 ULTIMATE.start_main_~y~4))), 9384#(<= 3240 (+ ULTIMATE.start_main_~x~4 (* 17 ULTIMATE.start_main_~y~4))), 9385#(<= 3304 (+ ULTIMATE.start_main_~x~4 (* 16 ULTIMATE.start_main_~y~4))), 9386#(<= 3364 (+ ULTIMATE.start_main_~x~4 (* 15 ULTIMATE.start_main_~y~4))), 9387#(<= 3420 (+ ULTIMATE.start_main_~x~4 (* 14 ULTIMATE.start_main_~y~4))), 9388#(<= 3472 (+ ULTIMATE.start_main_~x~4 (* 13 ULTIMATE.start_main_~y~4))), 9389#(<= 3520 (+ ULTIMATE.start_main_~x~4 (* 12 ULTIMATE.start_main_~y~4))), 9390#(<= 3564 (+ ULTIMATE.start_main_~x~4 (* 11 ULTIMATE.start_main_~y~4))), 9391#(<= 3604 (+ ULTIMATE.start_main_~x~4 (* 10 ULTIMATE.start_main_~y~4))), 9392#(<= 3640 (+ ULTIMATE.start_main_~x~4 (* 9 ULTIMATE.start_main_~y~4))), 9393#(<= 3672 (+ ULTIMATE.start_main_~x~4 (* 8 ULTIMATE.start_main_~y~4))), 9394#(<= 3700 (+ ULTIMATE.start_main_~x~4 (* 7 ULTIMATE.start_main_~y~4))), 9395#(<= 3724 (+ ULTIMATE.start_main_~x~4 (* 6 ULTIMATE.start_main_~y~4))), 9396#(<= 3744 (+ ULTIMATE.start_main_~x~4 (* 5 ULTIMATE.start_main_~y~4))), 9397#(<= 3760 (+ ULTIMATE.start_main_~x~4 (* 4 ULTIMATE.start_main_~y~4))), 9398#(<= 3772 (+ ULTIMATE.start_main_~x~4 (* 3 ULTIMATE.start_main_~y~4))), 9399#(<= 3780 (+ ULTIMATE.start_main_~x~4 (* 2 ULTIMATE.start_main_~y~4))), 9400#(<= 3784 (+ ULTIMATE.start_main_~x~4 ULTIMATE.start_main_~y~4)), 9401#(<= 1 ULTIMATE.start___VERIFIER_assert_~cond)] [2018-07-23 13:41:24,408 INFO L134 CoverageAnalysis]: Checked inductivity of 1806 backedges. 0 proven. 1806 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-07-23 13:41:24,408 INFO L450 AbstractCegarLoop]: Interpolant automaton has 46 states [2018-07-23 13:41:24,408 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 46 interpolants. [2018-07-23 13:41:24,410 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=89, Invalid=1981, Unknown=0, NotChecked=0, Total=2070 [2018-07-23 13:41:24,410 INFO L87 Difference]: Start difference. First operand 89 states and 89 transitions. Second operand 46 states. [2018-07-23 13:41:24,964 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-07-23 13:41:24,965 INFO L93 Difference]: Finished difference Result 94 states and 94 transitions. [2018-07-23 13:41:24,965 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 46 states. [2018-07-23 13:41:24,965 INFO L78 Accepts]: Start accepts. Automaton has 46 states. Word has length 88 [2018-07-23 13:41:24,965 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-07-23 13:41:24,966 INFO L225 Difference]: With dead ends: 94 [2018-07-23 13:41:24,966 INFO L226 Difference]: Without dead ends: 92 [2018-07-23 13:41:24,967 INFO L575 BasicCegarLoop]: 0 DeclaredPredicates, 45 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 44 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=89, Invalid=1981, Unknown=0, NotChecked=0, Total=2070 [2018-07-23 13:41:24,967 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 92 states. [2018-07-23 13:41:24,990 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 92 to 91. [2018-07-23 13:41:24,991 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 91 states. [2018-07-23 13:41:24,991 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 91 states to 91 states and 91 transitions. [2018-07-23 13:41:24,991 INFO L78 Accepts]: Start accepts. Automaton has 91 states and 91 transitions. Word has length 88 [2018-07-23 13:41:24,992 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-07-23 13:41:24,992 INFO L471 AbstractCegarLoop]: Abstraction has 91 states and 91 transitions. [2018-07-23 13:41:24,992 INFO L472 AbstractCegarLoop]: Interpolant automaton has 46 states. [2018-07-23 13:41:24,992 INFO L276 IsEmpty]: Start isEmpty. Operand 91 states and 91 transitions. [2018-07-23 13:41:24,992 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 91 [2018-07-23 13:41:24,993 INFO L349 BasicCegarLoop]: Found error trace [2018-07-23 13:41:24,993 INFO L357 BasicCegarLoop]: trace histogram [44, 43, 1, 1, 1] [2018-07-23 13:41:24,993 INFO L414 AbstractCegarLoop]: === Iteration 44 === [ULTIMATE.startErr0AssertViolationASSERT]=== [2018-07-23 13:41:24,993 INFO L82 PathProgramCache]: Analyzing trace with hash 701334217, now seen corresponding path program 43 times [2018-07-23 13:41:24,993 INFO L69 tionRefinementEngine]: Using refinement strategy FixedRefinementStrategy [2018-07-23 13:41:25,024 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-07-23 13:41:25,293 INFO L134 CoverageAnalysis]: Checked inductivity of 1892 backedges. 0 proven. 1892 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-07-23 13:41:25,293 INFO L309 seRefinementStrategy]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2018-07-23 13:41:25,293 INFO L324 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [46] total 46 [2018-07-23 13:41:25,293 INFO L142 lantAutomatonBuilder]: Constructing canonical interpolant automaton, with selfloop in false state [2018-07-23 13:41:25,294 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 13:41:25,294 INFO L185 omatonBuilderFactory]: Interpolants [9792#(<= 2660 (+ ULTIMATE.start_main_~x~4 (* 26 ULTIMATE.start_main_~y~4))), 9793#(<= 2760 (+ ULTIMATE.start_main_~x~4 (* 25 ULTIMATE.start_main_~y~4))), 9794#(<= 2856 (+ ULTIMATE.start_main_~x~4 (* 24 ULTIMATE.start_main_~y~4))), 9795#(<= 2948 (+ ULTIMATE.start_main_~x~4 (* 23 ULTIMATE.start_main_~y~4))), 9796#(<= 3036 (+ ULTIMATE.start_main_~x~4 (* 22 ULTIMATE.start_main_~y~4))), 9797#(<= 3120 (+ ULTIMATE.start_main_~x~4 (* 21 ULTIMATE.start_main_~y~4))), 9798#(<= 3200 (+ ULTIMATE.start_main_~x~4 (* 20 ULTIMATE.start_main_~y~4))), 9799#(<= 3276 (+ ULTIMATE.start_main_~x~4 (* 19 ULTIMATE.start_main_~y~4))), 9800#(<= 3348 (+ ULTIMATE.start_main_~x~4 (* 18 ULTIMATE.start_main_~y~4))), 9801#(<= 3416 (+ ULTIMATE.start_main_~x~4 (* 17 ULTIMATE.start_main_~y~4))), 9802#(<= 3480 (+ ULTIMATE.start_main_~x~4 (* 16 ULTIMATE.start_main_~y~4))), 9803#(<= 3540 (+ ULTIMATE.start_main_~x~4 (* 15 ULTIMATE.start_main_~y~4))), 9804#(<= 3596 (+ ULTIMATE.start_main_~x~4 (* 14 ULTIMATE.start_main_~y~4))), 9805#(<= 3648 (+ ULTIMATE.start_main_~x~4 (* 13 ULTIMATE.start_main_~y~4))), 9806#(<= 3696 (+ ULTIMATE.start_main_~x~4 (* 12 ULTIMATE.start_main_~y~4))), 9807#(<= 3740 (+ ULTIMATE.start_main_~x~4 (* 11 ULTIMATE.start_main_~y~4))), 9808#(<= 3780 (+ ULTIMATE.start_main_~x~4 (* 10 ULTIMATE.start_main_~y~4))), 9809#(<= 3816 (+ ULTIMATE.start_main_~x~4 (* 9 ULTIMATE.start_main_~y~4))), 9810#(<= 3848 (+ ULTIMATE.start_main_~x~4 (* 8 ULTIMATE.start_main_~y~4))), 9811#(<= 3876 (+ ULTIMATE.start_main_~x~4 (* 7 ULTIMATE.start_main_~y~4))), 9812#(<= 3900 (+ ULTIMATE.start_main_~x~4 (* 6 ULTIMATE.start_main_~y~4))), 9813#(<= 3920 (+ ULTIMATE.start_main_~x~4 (* 5 ULTIMATE.start_main_~y~4))), 9814#(<= 3936 (+ ULTIMATE.start_main_~x~4 (* 4 ULTIMATE.start_main_~y~4))), 9815#(<= 3948 (+ ULTIMATE.start_main_~x~4 (* 3 ULTIMATE.start_main_~y~4))), 9816#(<= 3956 (+ ULTIMATE.start_main_~x~4 (* 2 ULTIMATE.start_main_~y~4))), 9817#(<= 3960 (+ ULTIMATE.start_main_~x~4 ULTIMATE.start_main_~y~4)), 9818#(<= 1 ULTIMATE.start___VERIFIER_assert_~cond), 9772#true, 9773#false, 9774#(<= 176 (+ ULTIMATE.start_main_~x~4 (* 44 ULTIMATE.start_main_~y~4))), 9775#(<= 348 (+ ULTIMATE.start_main_~x~4 (* 43 ULTIMATE.start_main_~y~4))), 9776#(<= 516 (+ ULTIMATE.start_main_~x~4 (* 42 ULTIMATE.start_main_~y~4))), 9777#(<= 680 (+ ULTIMATE.start_main_~x~4 (* 41 ULTIMATE.start_main_~y~4))), 9778#(<= 840 (+ ULTIMATE.start_main_~x~4 (* 40 ULTIMATE.start_main_~y~4))), 9779#(<= 996 (+ ULTIMATE.start_main_~x~4 (* 39 ULTIMATE.start_main_~y~4))), 9780#(<= 1148 (+ ULTIMATE.start_main_~x~4 (* 38 ULTIMATE.start_main_~y~4))), 9781#(<= 1296 (+ ULTIMATE.start_main_~x~4 (* 37 ULTIMATE.start_main_~y~4))), 9782#(<= 1440 (+ ULTIMATE.start_main_~x~4 (* 36 ULTIMATE.start_main_~y~4))), 9783#(<= 1580 (+ ULTIMATE.start_main_~x~4 (* 35 ULTIMATE.start_main_~y~4))), 9784#(<= 1716 (+ ULTIMATE.start_main_~x~4 (* 34 ULTIMATE.start_main_~y~4))), 9785#(<= 1848 (+ ULTIMATE.start_main_~x~4 (* 33 ULTIMATE.start_main_~y~4))), 9786#(<= 1976 (+ ULTIMATE.start_main_~x~4 (* 32 ULTIMATE.start_main_~y~4))), 9787#(<= 2100 (+ ULTIMATE.start_main_~x~4 (* 31 ULTIMATE.start_main_~y~4))), 9788#(<= 2220 (+ ULTIMATE.start_main_~x~4 (* 30 ULTIMATE.start_main_~y~4))), 9789#(<= 2336 (+ ULTIMATE.start_main_~x~4 (* 29 ULTIMATE.start_main_~y~4))), 9790#(<= 2448 (+ ULTIMATE.start_main_~x~4 (* 28 ULTIMATE.start_main_~y~4))), 9791#(<= 2556 (+ ULTIMATE.start_main_~x~4 (* 27 ULTIMATE.start_main_~y~4)))] [2018-07-23 13:41:25,295 INFO L134 CoverageAnalysis]: Checked inductivity of 1892 backedges. 0 proven. 1892 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-07-23 13:41:25,295 INFO L450 AbstractCegarLoop]: Interpolant automaton has 47 states [2018-07-23 13:41:25,295 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 47 interpolants. [2018-07-23 13:41:25,296 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=91, Invalid=2071, Unknown=0, NotChecked=0, Total=2162 [2018-07-23 13:41:25,297 INFO L87 Difference]: Start difference. First operand 91 states and 91 transitions. Second operand 47 states. [2018-07-23 13:41:25,846 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-07-23 13:41:25,846 INFO L93 Difference]: Finished difference Result 96 states and 96 transitions. [2018-07-23 13:41:25,846 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 47 states. [2018-07-23 13:41:25,846 INFO L78 Accepts]: Start accepts. Automaton has 47 states. Word has length 90 [2018-07-23 13:41:25,846 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-07-23 13:41:25,847 INFO L225 Difference]: With dead ends: 96 [2018-07-23 13:41:25,847 INFO L226 Difference]: Without dead ends: 94 [2018-07-23 13:41:25,848 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 13:41:25,849 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 94 states. [2018-07-23 13:41:25,872 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 94 to 93. [2018-07-23 13:41:25,872 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 93 states. [2018-07-23 13:41:25,873 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 93 states to 93 states and 93 transitions. [2018-07-23 13:41:25,873 INFO L78 Accepts]: Start accepts. Automaton has 93 states and 93 transitions. Word has length 90 [2018-07-23 13:41:25,873 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-07-23 13:41:25,873 INFO L471 AbstractCegarLoop]: Abstraction has 93 states and 93 transitions. [2018-07-23 13:41:25,874 INFO L472 AbstractCegarLoop]: Interpolant automaton has 47 states. [2018-07-23 13:41:25,874 INFO L276 IsEmpty]: Start isEmpty. Operand 93 states and 93 transitions. [2018-07-23 13:41:25,874 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 93 [2018-07-23 13:41:25,874 INFO L349 BasicCegarLoop]: Found error trace [2018-07-23 13:41:25,875 INFO L357 BasicCegarLoop]: trace histogram [45, 44, 1, 1, 1] [2018-07-23 13:41:25,875 INFO L414 AbstractCegarLoop]: === Iteration 45 === [ULTIMATE.startErr0AssertViolationASSERT]=== [2018-07-23 13:41:25,875 INFO L82 PathProgramCache]: Analyzing trace with hash -327736237, now seen corresponding path program 44 times [2018-07-23 13:41:25,875 INFO L69 tionRefinementEngine]: Using refinement strategy FixedRefinementStrategy [2018-07-23 13:41:25,915 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-07-23 13:41:26,162 INFO L134 CoverageAnalysis]: Checked inductivity of 1980 backedges. 0 proven. 1980 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-07-23 13:41:26,162 INFO L309 seRefinementStrategy]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2018-07-23 13:41:26,162 INFO L324 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [47] total 47 [2018-07-23 13:41:26,162 INFO L142 lantAutomatonBuilder]: Constructing canonical interpolant automaton, with selfloop in false state [2018-07-23 13:41:26,163 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-07-23 13:41:26,163 INFO L185 omatonBuilderFactory]: Interpolants [10240#(<= 4116 (+ ULTIMATE.start_main_~x~4 (* 4 ULTIMATE.start_main_~y~4))), 10241#(<= 4128 (+ ULTIMATE.start_main_~x~4 (* 3 ULTIMATE.start_main_~y~4))), 10242#(<= 4136 (+ ULTIMATE.start_main_~x~4 (* 2 ULTIMATE.start_main_~y~4))), 10243#(<= 4140 (+ ULTIMATE.start_main_~x~4 ULTIMATE.start_main_~y~4)), 10244#(<= 1 ULTIMATE.start___VERIFIER_assert_~cond), 10197#true, 10198#false, 10199#(<= 180 (+ ULTIMATE.start_main_~x~4 (* 45 ULTIMATE.start_main_~y~4))), 10200#(<= 356 (+ ULTIMATE.start_main_~x~4 (* 44 ULTIMATE.start_main_~y~4))), 10201#(<= 528 (+ ULTIMATE.start_main_~x~4 (* 43 ULTIMATE.start_main_~y~4))), 10202#(<= 696 (+ ULTIMATE.start_main_~x~4 (* 42 ULTIMATE.start_main_~y~4))), 10203#(<= 860 (+ ULTIMATE.start_main_~x~4 (* 41 ULTIMATE.start_main_~y~4))), 10204#(<= 1020 (+ ULTIMATE.start_main_~x~4 (* 40 ULTIMATE.start_main_~y~4))), 10205#(<= 1176 (+ ULTIMATE.start_main_~x~4 (* 39 ULTIMATE.start_main_~y~4))), 10206#(<= 1328 (+ ULTIMATE.start_main_~x~4 (* 38 ULTIMATE.start_main_~y~4))), 10207#(<= 1476 (+ ULTIMATE.start_main_~x~4 (* 37 ULTIMATE.start_main_~y~4))), 10208#(<= 1620 (+ ULTIMATE.start_main_~x~4 (* 36 ULTIMATE.start_main_~y~4))), 10209#(<= 1760 (+ ULTIMATE.start_main_~x~4 (* 35 ULTIMATE.start_main_~y~4))), 10210#(<= 1896 (+ ULTIMATE.start_main_~x~4 (* 34 ULTIMATE.start_main_~y~4))), 10211#(<= 2028 (+ ULTIMATE.start_main_~x~4 (* 33 ULTIMATE.start_main_~y~4))), 10212#(<= 2156 (+ ULTIMATE.start_main_~x~4 (* 32 ULTIMATE.start_main_~y~4))), 10213#(<= 2280 (+ ULTIMATE.start_main_~x~4 (* 31 ULTIMATE.start_main_~y~4))), 10214#(<= 2400 (+ ULTIMATE.start_main_~x~4 (* 30 ULTIMATE.start_main_~y~4))), 10215#(<= 2516 (+ ULTIMATE.start_main_~x~4 (* 29 ULTIMATE.start_main_~y~4))), 10216#(<= 2628 (+ ULTIMATE.start_main_~x~4 (* 28 ULTIMATE.start_main_~y~4))), 10217#(<= 2736 (+ ULTIMATE.start_main_~x~4 (* 27 ULTIMATE.start_main_~y~4))), 10218#(<= 2840 (+ ULTIMATE.start_main_~x~4 (* 26 ULTIMATE.start_main_~y~4))), 10219#(<= 2940 (+ ULTIMATE.start_main_~x~4 (* 25 ULTIMATE.start_main_~y~4))), 10220#(<= 3036 (+ ULTIMATE.start_main_~x~4 (* 24 ULTIMATE.start_main_~y~4))), 10221#(<= 3128 (+ ULTIMATE.start_main_~x~4 (* 23 ULTIMATE.start_main_~y~4))), 10222#(<= 3216 (+ ULTIMATE.start_main_~x~4 (* 22 ULTIMATE.start_main_~y~4))), 10223#(<= 3300 (+ ULTIMATE.start_main_~x~4 (* 21 ULTIMATE.start_main_~y~4))), 10224#(<= 3380 (+ ULTIMATE.start_main_~x~4 (* 20 ULTIMATE.start_main_~y~4))), 10225#(<= 3456 (+ ULTIMATE.start_main_~x~4 (* 19 ULTIMATE.start_main_~y~4))), 10226#(<= 3528 (+ ULTIMATE.start_main_~x~4 (* 18 ULTIMATE.start_main_~y~4))), 10227#(<= 3596 (+ ULTIMATE.start_main_~x~4 (* 17 ULTIMATE.start_main_~y~4))), 10228#(<= 3660 (+ ULTIMATE.start_main_~x~4 (* 16 ULTIMATE.start_main_~y~4))), 10229#(<= 3720 (+ ULTIMATE.start_main_~x~4 (* 15 ULTIMATE.start_main_~y~4))), 10230#(<= 3776 (+ ULTIMATE.start_main_~x~4 (* 14 ULTIMATE.start_main_~y~4))), 10231#(<= 3828 (+ ULTIMATE.start_main_~x~4 (* 13 ULTIMATE.start_main_~y~4))), 10232#(<= 3876 (+ ULTIMATE.start_main_~x~4 (* 12 ULTIMATE.start_main_~y~4))), 10233#(<= 3920 (+ ULTIMATE.start_main_~x~4 (* 11 ULTIMATE.start_main_~y~4))), 10234#(<= 3960 (+ ULTIMATE.start_main_~x~4 (* 10 ULTIMATE.start_main_~y~4))), 10235#(<= 3996 (+ ULTIMATE.start_main_~x~4 (* 9 ULTIMATE.start_main_~y~4))), 10236#(<= 4028 (+ ULTIMATE.start_main_~x~4 (* 8 ULTIMATE.start_main_~y~4))), 10237#(<= 4056 (+ ULTIMATE.start_main_~x~4 (* 7 ULTIMATE.start_main_~y~4))), 10238#(<= 4080 (+ ULTIMATE.start_main_~x~4 (* 6 ULTIMATE.start_main_~y~4))), 10239#(<= 4100 (+ ULTIMATE.start_main_~x~4 (* 5 ULTIMATE.start_main_~y~4)))] [2018-07-23 13:41:26,164 INFO L134 CoverageAnalysis]: Checked inductivity of 1980 backedges. 0 proven. 1980 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-07-23 13:41:26,164 INFO L450 AbstractCegarLoop]: Interpolant automaton has 48 states [2018-07-23 13:41:26,164 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 48 interpolants. [2018-07-23 13:41:26,165 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=93, Invalid=2163, Unknown=0, NotChecked=0, Total=2256 [2018-07-23 13:41:26,165 INFO L87 Difference]: Start difference. First operand 93 states and 93 transitions. Second operand 48 states. [2018-07-23 13:41:26,742 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-07-23 13:41:26,742 INFO L93 Difference]: Finished difference Result 98 states and 98 transitions. [2018-07-23 13:41:26,742 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 48 states. [2018-07-23 13:41:26,742 INFO L78 Accepts]: Start accepts. Automaton has 48 states. Word has length 92 [2018-07-23 13:41:26,743 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-07-23 13:41:26,743 INFO L225 Difference]: With dead ends: 98 [2018-07-23 13:41:26,743 INFO L226 Difference]: Without dead ends: 96 [2018-07-23 13:41:26,744 INFO L575 BasicCegarLoop]: 0 DeclaredPredicates, 47 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 46 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=93, Invalid=2163, Unknown=0, NotChecked=0, Total=2256 [2018-07-23 13:41:26,745 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 96 states. [2018-07-23 13:41:26,773 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 96 to 95. [2018-07-23 13:41:26,773 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 95 states. [2018-07-23 13:41:26,774 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 95 states to 95 states and 95 transitions. [2018-07-23 13:41:26,774 INFO L78 Accepts]: Start accepts. Automaton has 95 states and 95 transitions. Word has length 92 [2018-07-23 13:41:26,774 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-07-23 13:41:26,774 INFO L471 AbstractCegarLoop]: Abstraction has 95 states and 95 transitions. [2018-07-23 13:41:26,774 INFO L472 AbstractCegarLoop]: Interpolant automaton has 48 states. [2018-07-23 13:41:26,775 INFO L276 IsEmpty]: Start isEmpty. Operand 95 states and 95 transitions. [2018-07-23 13:41:26,776 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 95 [2018-07-23 13:41:26,776 INFO L349 BasicCegarLoop]: Found error trace [2018-07-23 13:41:26,776 INFO L357 BasicCegarLoop]: trace histogram [46, 45, 1, 1, 1] [2018-07-23 13:41:26,776 INFO L414 AbstractCegarLoop]: === Iteration 46 === [ULTIMATE.startErr0AssertViolationASSERT]=== [2018-07-23 13:41:26,777 INFO L82 PathProgramCache]: Analyzing trace with hash -1421964451, now seen corresponding path program 45 times [2018-07-23 13:41:26,777 INFO L69 tionRefinementEngine]: Using refinement strategy FixedRefinementStrategy [2018-07-23 13:41:26,825 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-07-23 13:41:27,138 INFO L134 CoverageAnalysis]: Checked inductivity of 2070 backedges. 0 proven. 2070 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-07-23 13:41:27,139 INFO L309 seRefinementStrategy]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2018-07-23 13:41:27,139 INFO L324 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [48] total 48 [2018-07-23 13:41:27,139 INFO L142 lantAutomatonBuilder]: Constructing canonical interpolant automaton, with selfloop in false state [2018-07-23 13:41:27,140 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-07-23 13:41:27,140 INFO L185 omatonBuilderFactory]: Interpolants [10631#true, 10632#false, 10633#(<= 184 (+ ULTIMATE.start_main_~x~4 (* 46 ULTIMATE.start_main_~y~4))), 10634#(<= 364 (+ ULTIMATE.start_main_~x~4 (* 45 ULTIMATE.start_main_~y~4))), 10635#(<= 540 (+ ULTIMATE.start_main_~x~4 (* 44 ULTIMATE.start_main_~y~4))), 10636#(<= 712 (+ ULTIMATE.start_main_~x~4 (* 43 ULTIMATE.start_main_~y~4))), 10637#(<= 880 (+ ULTIMATE.start_main_~x~4 (* 42 ULTIMATE.start_main_~y~4))), 10638#(<= 1044 (+ ULTIMATE.start_main_~x~4 (* 41 ULTIMATE.start_main_~y~4))), 10639#(<= 1204 (+ ULTIMATE.start_main_~x~4 (* 40 ULTIMATE.start_main_~y~4))), 10640#(<= 1360 (+ ULTIMATE.start_main_~x~4 (* 39 ULTIMATE.start_main_~y~4))), 10641#(<= 1512 (+ ULTIMATE.start_main_~x~4 (* 38 ULTIMATE.start_main_~y~4))), 10642#(<= 1660 (+ ULTIMATE.start_main_~x~4 (* 37 ULTIMATE.start_main_~y~4))), 10643#(<= 1804 (+ ULTIMATE.start_main_~x~4 (* 36 ULTIMATE.start_main_~y~4))), 10644#(<= 1944 (+ ULTIMATE.start_main_~x~4 (* 35 ULTIMATE.start_main_~y~4))), 10645#(<= 2080 (+ ULTIMATE.start_main_~x~4 (* 34 ULTIMATE.start_main_~y~4))), 10646#(<= 2212 (+ ULTIMATE.start_main_~x~4 (* 33 ULTIMATE.start_main_~y~4))), 10647#(<= 2340 (+ ULTIMATE.start_main_~x~4 (* 32 ULTIMATE.start_main_~y~4))), 10648#(<= 2464 (+ ULTIMATE.start_main_~x~4 (* 31 ULTIMATE.start_main_~y~4))), 10649#(<= 2584 (+ ULTIMATE.start_main_~x~4 (* 30 ULTIMATE.start_main_~y~4))), 10650#(<= 2700 (+ ULTIMATE.start_main_~x~4 (* 29 ULTIMATE.start_main_~y~4))), 10651#(<= 2812 (+ ULTIMATE.start_main_~x~4 (* 28 ULTIMATE.start_main_~y~4))), 10652#(<= 2920 (+ ULTIMATE.start_main_~x~4 (* 27 ULTIMATE.start_main_~y~4))), 10653#(<= 3024 (+ ULTIMATE.start_main_~x~4 (* 26 ULTIMATE.start_main_~y~4))), 10654#(<= 3124 (+ ULTIMATE.start_main_~x~4 (* 25 ULTIMATE.start_main_~y~4))), 10655#(<= 3220 (+ ULTIMATE.start_main_~x~4 (* 24 ULTIMATE.start_main_~y~4))), 10656#(<= 3312 (+ ULTIMATE.start_main_~x~4 (* 23 ULTIMATE.start_main_~y~4))), 10657#(<= 3400 (+ ULTIMATE.start_main_~x~4 (* 22 ULTIMATE.start_main_~y~4))), 10658#(<= 3484 (+ ULTIMATE.start_main_~x~4 (* 21 ULTIMATE.start_main_~y~4))), 10659#(<= 3564 (+ ULTIMATE.start_main_~x~4 (* 20 ULTIMATE.start_main_~y~4))), 10660#(<= 3640 (+ ULTIMATE.start_main_~x~4 (* 19 ULTIMATE.start_main_~y~4))), 10661#(<= 3712 (+ ULTIMATE.start_main_~x~4 (* 18 ULTIMATE.start_main_~y~4))), 10662#(<= 3780 (+ ULTIMATE.start_main_~x~4 (* 17 ULTIMATE.start_main_~y~4))), 10663#(<= 3844 (+ ULTIMATE.start_main_~x~4 (* 16 ULTIMATE.start_main_~y~4))), 10664#(<= 3904 (+ ULTIMATE.start_main_~x~4 (* 15 ULTIMATE.start_main_~y~4))), 10665#(<= 3960 (+ ULTIMATE.start_main_~x~4 (* 14 ULTIMATE.start_main_~y~4))), 10666#(<= 4012 (+ ULTIMATE.start_main_~x~4 (* 13 ULTIMATE.start_main_~y~4))), 10667#(<= 4060 (+ ULTIMATE.start_main_~x~4 (* 12 ULTIMATE.start_main_~y~4))), 10668#(<= 4104 (+ ULTIMATE.start_main_~x~4 (* 11 ULTIMATE.start_main_~y~4))), 10669#(<= 4144 (+ ULTIMATE.start_main_~x~4 (* 10 ULTIMATE.start_main_~y~4))), 10670#(<= 4180 (+ ULTIMATE.start_main_~x~4 (* 9 ULTIMATE.start_main_~y~4))), 10671#(<= 4212 (+ ULTIMATE.start_main_~x~4 (* 8 ULTIMATE.start_main_~y~4))), 10672#(<= 4240 (+ ULTIMATE.start_main_~x~4 (* 7 ULTIMATE.start_main_~y~4))), 10673#(<= 4264 (+ ULTIMATE.start_main_~x~4 (* 6 ULTIMATE.start_main_~y~4))), 10674#(<= 4284 (+ ULTIMATE.start_main_~x~4 (* 5 ULTIMATE.start_main_~y~4))), 10675#(<= 4300 (+ ULTIMATE.start_main_~x~4 (* 4 ULTIMATE.start_main_~y~4))), 10676#(<= 4312 (+ ULTIMATE.start_main_~x~4 (* 3 ULTIMATE.start_main_~y~4))), 10677#(<= 4320 (+ ULTIMATE.start_main_~x~4 (* 2 ULTIMATE.start_main_~y~4))), 10678#(<= 4324 (+ ULTIMATE.start_main_~x~4 ULTIMATE.start_main_~y~4)), 10679#(<= 1 ULTIMATE.start___VERIFIER_assert_~cond)] [2018-07-23 13:41:27,141 INFO L134 CoverageAnalysis]: Checked inductivity of 2070 backedges. 0 proven. 2070 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-07-23 13:41:27,141 INFO L450 AbstractCegarLoop]: Interpolant automaton has 49 states [2018-07-23 13:41:27,141 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 49 interpolants. [2018-07-23 13:41:27,141 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=95, Invalid=2257, Unknown=0, NotChecked=0, Total=2352 [2018-07-23 13:41:27,142 INFO L87 Difference]: Start difference. First operand 95 states and 95 transitions. Second operand 49 states. [2018-07-23 13:41:27,703 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-07-23 13:41:27,704 INFO L93 Difference]: Finished difference Result 100 states and 100 transitions. [2018-07-23 13:41:27,704 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 49 states. [2018-07-23 13:41:27,704 INFO L78 Accepts]: Start accepts. Automaton has 49 states. Word has length 94 [2018-07-23 13:41:27,704 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-07-23 13:41:27,704 INFO L225 Difference]: With dead ends: 100 [2018-07-23 13:41:27,705 INFO L226 Difference]: Without dead ends: 98 [2018-07-23 13:41:27,705 INFO L575 BasicCegarLoop]: 0 DeclaredPredicates, 48 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 47 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=95, Invalid=2257, Unknown=0, NotChecked=0, Total=2352 [2018-07-23 13:41:27,705 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 98 states. [2018-07-23 13:41:27,734 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 98 to 97. [2018-07-23 13:41:27,734 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 97 states. [2018-07-23 13:41:27,734 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 97 states to 97 states and 97 transitions. [2018-07-23 13:41:27,734 INFO L78 Accepts]: Start accepts. Automaton has 97 states and 97 transitions. Word has length 94 [2018-07-23 13:41:27,735 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-07-23 13:41:27,735 INFO L471 AbstractCegarLoop]: Abstraction has 97 states and 97 transitions. [2018-07-23 13:41:27,735 INFO L472 AbstractCegarLoop]: Interpolant automaton has 49 states. [2018-07-23 13:41:27,735 INFO L276 IsEmpty]: Start isEmpty. Operand 97 states and 97 transitions. [2018-07-23 13:41:27,736 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 97 [2018-07-23 13:41:27,736 INFO L349 BasicCegarLoop]: Found error trace [2018-07-23 13:41:27,736 INFO L357 BasicCegarLoop]: trace histogram [47, 46, 1, 1, 1] [2018-07-23 13:41:27,736 INFO L414 AbstractCegarLoop]: === Iteration 47 === [ULTIMATE.startErr0AssertViolationASSERT]=== [2018-07-23 13:41:27,736 INFO L82 PathProgramCache]: Analyzing trace with hash -708290585, now seen corresponding path program 46 times [2018-07-23 13:41:27,737 INFO L69 tionRefinementEngine]: Using refinement strategy FixedRefinementStrategy [2018-07-23 13:41:27,805 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-07-23 13:41:28,100 INFO L134 CoverageAnalysis]: Checked inductivity of 2162 backedges. 0 proven. 2162 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-07-23 13:41:28,101 INFO L309 seRefinementStrategy]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2018-07-23 13:41:28,101 INFO L324 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [49] total 49 [2018-07-23 13:41:28,101 INFO L142 lantAutomatonBuilder]: Constructing canonical interpolant automaton, with selfloop in false state [2018-07-23 13:41:28,101 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-07-23 13:41:28,102 INFO L185 omatonBuilderFactory]: Interpolants [11074#true, 11075#false, 11076#(<= 188 (+ ULTIMATE.start_main_~x~4 (* 47 ULTIMATE.start_main_~y~4))), 11077#(<= 372 (+ ULTIMATE.start_main_~x~4 (* 46 ULTIMATE.start_main_~y~4))), 11078#(<= 552 (+ ULTIMATE.start_main_~x~4 (* 45 ULTIMATE.start_main_~y~4))), 11079#(<= 728 (+ ULTIMATE.start_main_~x~4 (* 44 ULTIMATE.start_main_~y~4))), 11080#(<= 900 (+ ULTIMATE.start_main_~x~4 (* 43 ULTIMATE.start_main_~y~4))), 11081#(<= 1068 (+ ULTIMATE.start_main_~x~4 (* 42 ULTIMATE.start_main_~y~4))), 11082#(<= 1232 (+ ULTIMATE.start_main_~x~4 (* 41 ULTIMATE.start_main_~y~4))), 11083#(<= 1392 (+ ULTIMATE.start_main_~x~4 (* 40 ULTIMATE.start_main_~y~4))), 11084#(<= 1548 (+ ULTIMATE.start_main_~x~4 (* 39 ULTIMATE.start_main_~y~4))), 11085#(<= 1700 (+ ULTIMATE.start_main_~x~4 (* 38 ULTIMATE.start_main_~y~4))), 11086#(<= 1848 (+ ULTIMATE.start_main_~x~4 (* 37 ULTIMATE.start_main_~y~4))), 11087#(<= 1992 (+ ULTIMATE.start_main_~x~4 (* 36 ULTIMATE.start_main_~y~4))), 11088#(<= 2132 (+ ULTIMATE.start_main_~x~4 (* 35 ULTIMATE.start_main_~y~4))), 11089#(<= 2268 (+ ULTIMATE.start_main_~x~4 (* 34 ULTIMATE.start_main_~y~4))), 11090#(<= 2400 (+ ULTIMATE.start_main_~x~4 (* 33 ULTIMATE.start_main_~y~4))), 11091#(<= 2528 (+ ULTIMATE.start_main_~x~4 (* 32 ULTIMATE.start_main_~y~4))), 11092#(<= 2652 (+ ULTIMATE.start_main_~x~4 (* 31 ULTIMATE.start_main_~y~4))), 11093#(<= 2772 (+ ULTIMATE.start_main_~x~4 (* 30 ULTIMATE.start_main_~y~4))), 11094#(<= 2888 (+ ULTIMATE.start_main_~x~4 (* 29 ULTIMATE.start_main_~y~4))), 11095#(<= 3000 (+ ULTIMATE.start_main_~x~4 (* 28 ULTIMATE.start_main_~y~4))), 11096#(<= 3108 (+ ULTIMATE.start_main_~x~4 (* 27 ULTIMATE.start_main_~y~4))), 11097#(<= 3212 (+ ULTIMATE.start_main_~x~4 (* 26 ULTIMATE.start_main_~y~4))), 11098#(<= 3312 (+ ULTIMATE.start_main_~x~4 (* 25 ULTIMATE.start_main_~y~4))), 11099#(<= 3408 (+ ULTIMATE.start_main_~x~4 (* 24 ULTIMATE.start_main_~y~4))), 11100#(<= 3500 (+ ULTIMATE.start_main_~x~4 (* 23 ULTIMATE.start_main_~y~4))), 11101#(<= 3588 (+ ULTIMATE.start_main_~x~4 (* 22 ULTIMATE.start_main_~y~4))), 11102#(<= 3672 (+ ULTIMATE.start_main_~x~4 (* 21 ULTIMATE.start_main_~y~4))), 11103#(<= 3752 (+ ULTIMATE.start_main_~x~4 (* 20 ULTIMATE.start_main_~y~4))), 11104#(<= 3828 (+ ULTIMATE.start_main_~x~4 (* 19 ULTIMATE.start_main_~y~4))), 11105#(<= 3900 (+ ULTIMATE.start_main_~x~4 (* 18 ULTIMATE.start_main_~y~4))), 11106#(<= 3968 (+ ULTIMATE.start_main_~x~4 (* 17 ULTIMATE.start_main_~y~4))), 11107#(<= 4032 (+ ULTIMATE.start_main_~x~4 (* 16 ULTIMATE.start_main_~y~4))), 11108#(<= 4092 (+ ULTIMATE.start_main_~x~4 (* 15 ULTIMATE.start_main_~y~4))), 11109#(<= 4148 (+ ULTIMATE.start_main_~x~4 (* 14 ULTIMATE.start_main_~y~4))), 11110#(<= 4200 (+ ULTIMATE.start_main_~x~4 (* 13 ULTIMATE.start_main_~y~4))), 11111#(<= 4248 (+ ULTIMATE.start_main_~x~4 (* 12 ULTIMATE.start_main_~y~4))), 11112#(<= 4292 (+ ULTIMATE.start_main_~x~4 (* 11 ULTIMATE.start_main_~y~4))), 11113#(<= 4332 (+ ULTIMATE.start_main_~x~4 (* 10 ULTIMATE.start_main_~y~4))), 11114#(<= 4368 (+ ULTIMATE.start_main_~x~4 (* 9 ULTIMATE.start_main_~y~4))), 11115#(<= 4400 (+ ULTIMATE.start_main_~x~4 (* 8 ULTIMATE.start_main_~y~4))), 11116#(<= 4428 (+ ULTIMATE.start_main_~x~4 (* 7 ULTIMATE.start_main_~y~4))), 11117#(<= 4452 (+ ULTIMATE.start_main_~x~4 (* 6 ULTIMATE.start_main_~y~4))), 11118#(<= 4472 (+ ULTIMATE.start_main_~x~4 (* 5 ULTIMATE.start_main_~y~4))), 11119#(<= 4488 (+ ULTIMATE.start_main_~x~4 (* 4 ULTIMATE.start_main_~y~4))), 11120#(<= 4500 (+ ULTIMATE.start_main_~x~4 (* 3 ULTIMATE.start_main_~y~4))), 11121#(<= 4508 (+ ULTIMATE.start_main_~x~4 (* 2 ULTIMATE.start_main_~y~4))), 11122#(<= 4512 (+ ULTIMATE.start_main_~x~4 ULTIMATE.start_main_~y~4)), 11123#(<= 1 ULTIMATE.start___VERIFIER_assert_~cond)] [2018-07-23 13:41:28,102 INFO L134 CoverageAnalysis]: Checked inductivity of 2162 backedges. 0 proven. 2162 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-07-23 13:41:28,103 INFO L450 AbstractCegarLoop]: Interpolant automaton has 50 states [2018-07-23 13:41:28,103 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 50 interpolants. [2018-07-23 13:41:28,104 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=97, Invalid=2353, Unknown=0, NotChecked=0, Total=2450 [2018-07-23 13:41:28,104 INFO L87 Difference]: Start difference. First operand 97 states and 97 transitions. Second operand 50 states. [2018-07-23 13:41:28,756 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-07-23 13:41:28,756 INFO L93 Difference]: Finished difference Result 102 states and 102 transitions. [2018-07-23 13:41:28,756 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 50 states. [2018-07-23 13:41:28,756 INFO L78 Accepts]: Start accepts. Automaton has 50 states. Word has length 96 [2018-07-23 13:41:28,757 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-07-23 13:41:28,757 INFO L225 Difference]: With dead ends: 102 [2018-07-23 13:41:28,757 INFO L226 Difference]: Without dead ends: 100 [2018-07-23 13:41:28,758 INFO L575 BasicCegarLoop]: 0 DeclaredPredicates, 49 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 48 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=97, Invalid=2353, Unknown=0, NotChecked=0, Total=2450 [2018-07-23 13:41:28,758 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 100 states. [2018-07-23 13:41:28,784 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 100 to 99. [2018-07-23 13:41:28,785 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 99 states. [2018-07-23 13:41:28,785 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 99 states to 99 states and 99 transitions. [2018-07-23 13:41:28,785 INFO L78 Accepts]: Start accepts. Automaton has 99 states and 99 transitions. Word has length 96 [2018-07-23 13:41:28,786 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-07-23 13:41:28,786 INFO L471 AbstractCegarLoop]: Abstraction has 99 states and 99 transitions. [2018-07-23 13:41:28,786 INFO L472 AbstractCegarLoop]: Interpolant automaton has 50 states. [2018-07-23 13:41:28,786 INFO L276 IsEmpty]: Start isEmpty. Operand 99 states and 99 transitions. [2018-07-23 13:41:28,787 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 99 [2018-07-23 13:41:28,787 INFO L349 BasicCegarLoop]: Found error trace [2018-07-23 13:41:28,787 INFO L357 BasicCegarLoop]: trace histogram [48, 47, 1, 1, 1] [2018-07-23 13:41:28,787 INFO L414 AbstractCegarLoop]: === Iteration 48 === [ULTIMATE.startErr0AssertViolationASSERT]=== [2018-07-23 13:41:28,787 INFO L82 PathProgramCache]: Analyzing trace with hash -2062472719, now seen corresponding path program 47 times [2018-07-23 13:41:28,788 INFO L69 tionRefinementEngine]: Using refinement strategy FixedRefinementStrategy [2018-07-23 13:41:28,839 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-07-23 13:41:29,191 INFO L134 CoverageAnalysis]: Checked inductivity of 2256 backedges. 0 proven. 2256 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-07-23 13:41:29,191 INFO L309 seRefinementStrategy]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2018-07-23 13:41:29,192 INFO L324 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [50] total 50 [2018-07-23 13:41:29,192 INFO L142 lantAutomatonBuilder]: Constructing canonical interpolant automaton, with selfloop in false state [2018-07-23 13:41:29,192 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-07-23 13:41:29,193 INFO L185 omatonBuilderFactory]: Interpolants [11526#true, 11527#false, 11528#(<= 192 (+ ULTIMATE.start_main_~x~4 (* 48 ULTIMATE.start_main_~y~4))), 11529#(<= 380 (+ ULTIMATE.start_main_~x~4 (* 47 ULTIMATE.start_main_~y~4))), 11530#(<= 564 (+ ULTIMATE.start_main_~x~4 (* 46 ULTIMATE.start_main_~y~4))), 11531#(<= 744 (+ ULTIMATE.start_main_~x~4 (* 45 ULTIMATE.start_main_~y~4))), 11532#(<= 920 (+ ULTIMATE.start_main_~x~4 (* 44 ULTIMATE.start_main_~y~4))), 11533#(<= 1092 (+ ULTIMATE.start_main_~x~4 (* 43 ULTIMATE.start_main_~y~4))), 11534#(<= 1260 (+ ULTIMATE.start_main_~x~4 (* 42 ULTIMATE.start_main_~y~4))), 11535#(<= 1424 (+ ULTIMATE.start_main_~x~4 (* 41 ULTIMATE.start_main_~y~4))), 11536#(<= 1584 (+ ULTIMATE.start_main_~x~4 (* 40 ULTIMATE.start_main_~y~4))), 11537#(<= 1740 (+ ULTIMATE.start_main_~x~4 (* 39 ULTIMATE.start_main_~y~4))), 11538#(<= 1892 (+ ULTIMATE.start_main_~x~4 (* 38 ULTIMATE.start_main_~y~4))), 11539#(<= 2040 (+ ULTIMATE.start_main_~x~4 (* 37 ULTIMATE.start_main_~y~4))), 11540#(<= 2184 (+ ULTIMATE.start_main_~x~4 (* 36 ULTIMATE.start_main_~y~4))), 11541#(<= 2324 (+ ULTIMATE.start_main_~x~4 (* 35 ULTIMATE.start_main_~y~4))), 11542#(<= 2460 (+ ULTIMATE.start_main_~x~4 (* 34 ULTIMATE.start_main_~y~4))), 11543#(<= 2592 (+ ULTIMATE.start_main_~x~4 (* 33 ULTIMATE.start_main_~y~4))), 11544#(<= 2720 (+ ULTIMATE.start_main_~x~4 (* 32 ULTIMATE.start_main_~y~4))), 11545#(<= 2844 (+ ULTIMATE.start_main_~x~4 (* 31 ULTIMATE.start_main_~y~4))), 11546#(<= 2964 (+ ULTIMATE.start_main_~x~4 (* 30 ULTIMATE.start_main_~y~4))), 11547#(<= 3080 (+ ULTIMATE.start_main_~x~4 (* 29 ULTIMATE.start_main_~y~4))), 11548#(<= 3192 (+ ULTIMATE.start_main_~x~4 (* 28 ULTIMATE.start_main_~y~4))), 11549#(<= 3300 (+ ULTIMATE.start_main_~x~4 (* 27 ULTIMATE.start_main_~y~4))), 11550#(<= 3404 (+ ULTIMATE.start_main_~x~4 (* 26 ULTIMATE.start_main_~y~4))), 11551#(<= 3504 (+ ULTIMATE.start_main_~x~4 (* 25 ULTIMATE.start_main_~y~4))), 11552#(<= 3600 (+ ULTIMATE.start_main_~x~4 (* 24 ULTIMATE.start_main_~y~4))), 11553#(<= 3692 (+ ULTIMATE.start_main_~x~4 (* 23 ULTIMATE.start_main_~y~4))), 11554#(<= 3780 (+ ULTIMATE.start_main_~x~4 (* 22 ULTIMATE.start_main_~y~4))), 11555#(<= 3864 (+ ULTIMATE.start_main_~x~4 (* 21 ULTIMATE.start_main_~y~4))), 11556#(<= 3944 (+ ULTIMATE.start_main_~x~4 (* 20 ULTIMATE.start_main_~y~4))), 11557#(<= 4020 (+ ULTIMATE.start_main_~x~4 (* 19 ULTIMATE.start_main_~y~4))), 11558#(<= 4092 (+ ULTIMATE.start_main_~x~4 (* 18 ULTIMATE.start_main_~y~4))), 11559#(<= 4160 (+ ULTIMATE.start_main_~x~4 (* 17 ULTIMATE.start_main_~y~4))), 11560#(<= 4224 (+ ULTIMATE.start_main_~x~4 (* 16 ULTIMATE.start_main_~y~4))), 11561#(<= 4284 (+ ULTIMATE.start_main_~x~4 (* 15 ULTIMATE.start_main_~y~4))), 11562#(<= 4340 (+ ULTIMATE.start_main_~x~4 (* 14 ULTIMATE.start_main_~y~4))), 11563#(<= 4392 (+ ULTIMATE.start_main_~x~4 (* 13 ULTIMATE.start_main_~y~4))), 11564#(<= 4440 (+ ULTIMATE.start_main_~x~4 (* 12 ULTIMATE.start_main_~y~4))), 11565#(<= 4484 (+ ULTIMATE.start_main_~x~4 (* 11 ULTIMATE.start_main_~y~4))), 11566#(<= 4524 (+ ULTIMATE.start_main_~x~4 (* 10 ULTIMATE.start_main_~y~4))), 11567#(<= 4560 (+ ULTIMATE.start_main_~x~4 (* 9 ULTIMATE.start_main_~y~4))), 11568#(<= 4592 (+ ULTIMATE.start_main_~x~4 (* 8 ULTIMATE.start_main_~y~4))), 11569#(<= 4620 (+ ULTIMATE.start_main_~x~4 (* 7 ULTIMATE.start_main_~y~4))), 11570#(<= 4644 (+ ULTIMATE.start_main_~x~4 (* 6 ULTIMATE.start_main_~y~4))), 11571#(<= 4664 (+ ULTIMATE.start_main_~x~4 (* 5 ULTIMATE.start_main_~y~4))), 11572#(<= 4680 (+ ULTIMATE.start_main_~x~4 (* 4 ULTIMATE.start_main_~y~4))), 11573#(<= 4692 (+ ULTIMATE.start_main_~x~4 (* 3 ULTIMATE.start_main_~y~4))), 11574#(<= 4700 (+ ULTIMATE.start_main_~x~4 (* 2 ULTIMATE.start_main_~y~4))), 11575#(<= 4704 (+ ULTIMATE.start_main_~x~4 ULTIMATE.start_main_~y~4)), 11576#(<= 1 ULTIMATE.start___VERIFIER_assert_~cond)] [2018-07-23 13:41:29,193 INFO L134 CoverageAnalysis]: Checked inductivity of 2256 backedges. 0 proven. 2256 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-07-23 13:41:29,193 INFO L450 AbstractCegarLoop]: Interpolant automaton has 51 states [2018-07-23 13:41:29,193 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 51 interpolants. [2018-07-23 13:41:29,194 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=99, Invalid=2451, Unknown=0, NotChecked=0, Total=2550 [2018-07-23 13:41:29,194 INFO L87 Difference]: Start difference. First operand 99 states and 99 transitions. Second operand 51 states. [2018-07-23 13:41:29,762 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-07-23 13:41:29,763 INFO L93 Difference]: Finished difference Result 104 states and 104 transitions. [2018-07-23 13:41:29,763 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 51 states. [2018-07-23 13:41:29,763 INFO L78 Accepts]: Start accepts. Automaton has 51 states. Word has length 98 [2018-07-23 13:41:29,763 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-07-23 13:41:29,764 INFO L225 Difference]: With dead ends: 104 [2018-07-23 13:41:29,764 INFO L226 Difference]: Without dead ends: 102 [2018-07-23 13:41:29,764 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 13:41:29,765 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 102 states. [2018-07-23 13:41:29,791 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 102 to 101. [2018-07-23 13:41:29,792 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 101 states. [2018-07-23 13:41:29,792 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 101 states to 101 states and 101 transitions. [2018-07-23 13:41:29,792 INFO L78 Accepts]: Start accepts. Automaton has 101 states and 101 transitions. Word has length 98 [2018-07-23 13:41:29,793 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-07-23 13:41:29,793 INFO L471 AbstractCegarLoop]: Abstraction has 101 states and 101 transitions. [2018-07-23 13:41:29,793 INFO L472 AbstractCegarLoop]: Interpolant automaton has 51 states. [2018-07-23 13:41:29,793 INFO L276 IsEmpty]: Start isEmpty. Operand 101 states and 101 transitions. [2018-07-23 13:41:29,794 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 101 [2018-07-23 13:41:29,794 INFO L349 BasicCegarLoop]: Found error trace [2018-07-23 13:41:29,794 INFO L357 BasicCegarLoop]: trace histogram [49, 48, 1, 1, 1] [2018-07-23 13:41:29,795 INFO L414 AbstractCegarLoop]: === Iteration 49 === [ULTIMATE.startErr0AssertViolationASSERT]=== [2018-07-23 13:41:29,796 INFO L82 PathProgramCache]: Analyzing trace with hash -2056412805, now seen corresponding path program 48 times [2018-07-23 13:41:29,796 INFO L69 tionRefinementEngine]: Using refinement strategy FixedRefinementStrategy [2018-07-23 13:41:29,849 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-07-23 13:41:30,200 INFO L134 CoverageAnalysis]: Checked inductivity of 2352 backedges. 0 proven. 2352 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-07-23 13:41:30,200 INFO L309 seRefinementStrategy]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2018-07-23 13:41:30,200 INFO L324 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [51] total 51 [2018-07-23 13:41:30,201 INFO L142 lantAutomatonBuilder]: Constructing canonical interpolant automaton, with selfloop in false state [2018-07-23 13:41:30,201 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-07-23 13:41:30,201 INFO L185 omatonBuilderFactory]: Interpolants [12032#(<= 4840 (+ ULTIMATE.start_main_~x~4 (* 6 ULTIMATE.start_main_~y~4))), 12033#(<= 4860 (+ ULTIMATE.start_main_~x~4 (* 5 ULTIMATE.start_main_~y~4))), 12034#(<= 4876 (+ ULTIMATE.start_main_~x~4 (* 4 ULTIMATE.start_main_~y~4))), 12035#(<= 4888 (+ ULTIMATE.start_main_~x~4 (* 3 ULTIMATE.start_main_~y~4))), 12036#(<= 4896 (+ ULTIMATE.start_main_~x~4 (* 2 ULTIMATE.start_main_~y~4))), 12037#(<= 4900 (+ ULTIMATE.start_main_~x~4 ULTIMATE.start_main_~y~4)), 12038#(<= 1 ULTIMATE.start___VERIFIER_assert_~cond), 11987#true, 11988#false, 11989#(<= 196 (+ ULTIMATE.start_main_~x~4 (* 49 ULTIMATE.start_main_~y~4))), 11990#(<= 388 (+ ULTIMATE.start_main_~x~4 (* 48 ULTIMATE.start_main_~y~4))), 11991#(<= 576 (+ ULTIMATE.start_main_~x~4 (* 47 ULTIMATE.start_main_~y~4))), 11992#(<= 760 (+ ULTIMATE.start_main_~x~4 (* 46 ULTIMATE.start_main_~y~4))), 11993#(<= 940 (+ ULTIMATE.start_main_~x~4 (* 45 ULTIMATE.start_main_~y~4))), 11994#(<= 1116 (+ ULTIMATE.start_main_~x~4 (* 44 ULTIMATE.start_main_~y~4))), 11995#(<= 1288 (+ ULTIMATE.start_main_~x~4 (* 43 ULTIMATE.start_main_~y~4))), 11996#(<= 1456 (+ ULTIMATE.start_main_~x~4 (* 42 ULTIMATE.start_main_~y~4))), 11997#(<= 1620 (+ ULTIMATE.start_main_~x~4 (* 41 ULTIMATE.start_main_~y~4))), 11998#(<= 1780 (+ ULTIMATE.start_main_~x~4 (* 40 ULTIMATE.start_main_~y~4))), 11999#(<= 1936 (+ ULTIMATE.start_main_~x~4 (* 39 ULTIMATE.start_main_~y~4))), 12000#(<= 2088 (+ ULTIMATE.start_main_~x~4 (* 38 ULTIMATE.start_main_~y~4))), 12001#(<= 2236 (+ ULTIMATE.start_main_~x~4 (* 37 ULTIMATE.start_main_~y~4))), 12002#(<= 2380 (+ ULTIMATE.start_main_~x~4 (* 36 ULTIMATE.start_main_~y~4))), 12003#(<= 2520 (+ ULTIMATE.start_main_~x~4 (* 35 ULTIMATE.start_main_~y~4))), 12004#(<= 2656 (+ ULTIMATE.start_main_~x~4 (* 34 ULTIMATE.start_main_~y~4))), 12005#(<= 2788 (+ ULTIMATE.start_main_~x~4 (* 33 ULTIMATE.start_main_~y~4))), 12006#(<= 2916 (+ ULTIMATE.start_main_~x~4 (* 32 ULTIMATE.start_main_~y~4))), 12007#(<= 3040 (+ ULTIMATE.start_main_~x~4 (* 31 ULTIMATE.start_main_~y~4))), 12008#(<= 3160 (+ ULTIMATE.start_main_~x~4 (* 30 ULTIMATE.start_main_~y~4))), 12009#(<= 3276 (+ ULTIMATE.start_main_~x~4 (* 29 ULTIMATE.start_main_~y~4))), 12010#(<= 3388 (+ ULTIMATE.start_main_~x~4 (* 28 ULTIMATE.start_main_~y~4))), 12011#(<= 3496 (+ ULTIMATE.start_main_~x~4 (* 27 ULTIMATE.start_main_~y~4))), 12012#(<= 3600 (+ ULTIMATE.start_main_~x~4 (* 26 ULTIMATE.start_main_~y~4))), 12013#(<= 3700 (+ ULTIMATE.start_main_~x~4 (* 25 ULTIMATE.start_main_~y~4))), 12014#(<= 3796 (+ ULTIMATE.start_main_~x~4 (* 24 ULTIMATE.start_main_~y~4))), 12015#(<= 3888 (+ ULTIMATE.start_main_~x~4 (* 23 ULTIMATE.start_main_~y~4))), 12016#(<= 3976 (+ ULTIMATE.start_main_~x~4 (* 22 ULTIMATE.start_main_~y~4))), 12017#(<= 4060 (+ ULTIMATE.start_main_~x~4 (* 21 ULTIMATE.start_main_~y~4))), 12018#(<= 4140 (+ ULTIMATE.start_main_~x~4 (* 20 ULTIMATE.start_main_~y~4))), 12019#(<= 4216 (+ ULTIMATE.start_main_~x~4 (* 19 ULTIMATE.start_main_~y~4))), 12020#(<= 4288 (+ ULTIMATE.start_main_~x~4 (* 18 ULTIMATE.start_main_~y~4))), 12021#(<= 4356 (+ ULTIMATE.start_main_~x~4 (* 17 ULTIMATE.start_main_~y~4))), 12022#(<= 4420 (+ ULTIMATE.start_main_~x~4 (* 16 ULTIMATE.start_main_~y~4))), 12023#(<= 4480 (+ ULTIMATE.start_main_~x~4 (* 15 ULTIMATE.start_main_~y~4))), 12024#(<= 4536 (+ ULTIMATE.start_main_~x~4 (* 14 ULTIMATE.start_main_~y~4))), 12025#(<= 4588 (+ ULTIMATE.start_main_~x~4 (* 13 ULTIMATE.start_main_~y~4))), 12026#(<= 4636 (+ ULTIMATE.start_main_~x~4 (* 12 ULTIMATE.start_main_~y~4))), 12027#(<= 4680 (+ ULTIMATE.start_main_~x~4 (* 11 ULTIMATE.start_main_~y~4))), 12028#(<= 4720 (+ ULTIMATE.start_main_~x~4 (* 10 ULTIMATE.start_main_~y~4))), 12029#(<= 4756 (+ ULTIMATE.start_main_~x~4 (* 9 ULTIMATE.start_main_~y~4))), 12030#(<= 4788 (+ ULTIMATE.start_main_~x~4 (* 8 ULTIMATE.start_main_~y~4))), 12031#(<= 4816 (+ ULTIMATE.start_main_~x~4 (* 7 ULTIMATE.start_main_~y~4)))] [2018-07-23 13:41:30,202 INFO L134 CoverageAnalysis]: Checked inductivity of 2352 backedges. 0 proven. 2352 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-07-23 13:41:30,202 INFO L450 AbstractCegarLoop]: Interpolant automaton has 52 states [2018-07-23 13:41:30,202 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 52 interpolants. [2018-07-23 13:41:30,203 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=101, Invalid=2551, Unknown=0, NotChecked=0, Total=2652 [2018-07-23 13:41:30,203 INFO L87 Difference]: Start difference. First operand 101 states and 101 transitions. Second operand 52 states. [2018-07-23 13:41:30,890 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-07-23 13:41:30,891 INFO L93 Difference]: Finished difference Result 106 states and 106 transitions. [2018-07-23 13:41:30,891 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 52 states. [2018-07-23 13:41:30,891 INFO L78 Accepts]: Start accepts. Automaton has 52 states. Word has length 100 [2018-07-23 13:41:30,891 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-07-23 13:41:30,892 INFO L225 Difference]: With dead ends: 106 [2018-07-23 13:41:30,892 INFO L226 Difference]: Without dead ends: 104 [2018-07-23 13:41:30,893 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 13:41:30,893 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 104 states. [2018-07-23 13:41:30,923 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 104 to 103. [2018-07-23 13:41:30,923 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 103 states. [2018-07-23 13:41:30,924 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 103 states to 103 states and 103 transitions. [2018-07-23 13:41:30,924 INFO L78 Accepts]: Start accepts. Automaton has 103 states and 103 transitions. Word has length 100 [2018-07-23 13:41:30,924 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-07-23 13:41:30,924 INFO L471 AbstractCegarLoop]: Abstraction has 103 states and 103 transitions. [2018-07-23 13:41:30,925 INFO L472 AbstractCegarLoop]: Interpolant automaton has 52 states. [2018-07-23 13:41:30,925 INFO L276 IsEmpty]: Start isEmpty. Operand 103 states and 103 transitions. [2018-07-23 13:41:30,925 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 103 [2018-07-23 13:41:30,926 INFO L349 BasicCegarLoop]: Found error trace [2018-07-23 13:41:30,926 INFO L357 BasicCegarLoop]: trace histogram [50, 49, 1, 1, 1] [2018-07-23 13:41:30,926 INFO L414 AbstractCegarLoop]: === Iteration 50 === [ULTIMATE.startErr0AssertViolationASSERT]=== [2018-07-23 13:41:30,927 INFO L82 PathProgramCache]: Analyzing trace with hash -527802747, now seen corresponding path program 49 times [2018-07-23 13:41:30,927 INFO L69 tionRefinementEngine]: Using refinement strategy FixedRefinementStrategy [2018-07-23 13:41:30,981 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-07-23 13:41:31,335 INFO L134 CoverageAnalysis]: Checked inductivity of 2450 backedges. 0 proven. 2450 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-07-23 13:41:31,335 INFO L309 seRefinementStrategy]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2018-07-23 13:41:31,335 INFO L324 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [52] total 52 [2018-07-23 13:41:31,336 INFO L142 lantAutomatonBuilder]: Constructing canonical interpolant automaton, with selfloop in false state [2018-07-23 13:41:31,336 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-07-23 13:41:31,336 INFO L185 omatonBuilderFactory]: Interpolants [12457#true, 12458#false, 12459#(<= 200 (+ ULTIMATE.start_main_~x~4 (* 50 ULTIMATE.start_main_~y~4))), 12460#(<= 396 (+ ULTIMATE.start_main_~x~4 (* 49 ULTIMATE.start_main_~y~4))), 12461#(<= 588 (+ ULTIMATE.start_main_~x~4 (* 48 ULTIMATE.start_main_~y~4))), 12462#(<= 776 (+ ULTIMATE.start_main_~x~4 (* 47 ULTIMATE.start_main_~y~4))), 12463#(<= 960 (+ ULTIMATE.start_main_~x~4 (* 46 ULTIMATE.start_main_~y~4))), 12464#(<= 1140 (+ ULTIMATE.start_main_~x~4 (* 45 ULTIMATE.start_main_~y~4))), 12465#(<= 1316 (+ ULTIMATE.start_main_~x~4 (* 44 ULTIMATE.start_main_~y~4))), 12466#(<= 1488 (+ ULTIMATE.start_main_~x~4 (* 43 ULTIMATE.start_main_~y~4))), 12467#(<= 1656 (+ ULTIMATE.start_main_~x~4 (* 42 ULTIMATE.start_main_~y~4))), 12468#(<= 1820 (+ ULTIMATE.start_main_~x~4 (* 41 ULTIMATE.start_main_~y~4))), 12469#(<= 1980 (+ ULTIMATE.start_main_~x~4 (* 40 ULTIMATE.start_main_~y~4))), 12470#(<= 2136 (+ ULTIMATE.start_main_~x~4 (* 39 ULTIMATE.start_main_~y~4))), 12471#(<= 2288 (+ ULTIMATE.start_main_~x~4 (* 38 ULTIMATE.start_main_~y~4))), 12472#(<= 2436 (+ ULTIMATE.start_main_~x~4 (* 37 ULTIMATE.start_main_~y~4))), 12473#(<= 2580 (+ ULTIMATE.start_main_~x~4 (* 36 ULTIMATE.start_main_~y~4))), 12474#(<= 2720 (+ ULTIMATE.start_main_~x~4 (* 35 ULTIMATE.start_main_~y~4))), 12475#(<= 2856 (+ ULTIMATE.start_main_~x~4 (* 34 ULTIMATE.start_main_~y~4))), 12476#(<= 2988 (+ ULTIMATE.start_main_~x~4 (* 33 ULTIMATE.start_main_~y~4))), 12477#(<= 3116 (+ ULTIMATE.start_main_~x~4 (* 32 ULTIMATE.start_main_~y~4))), 12478#(<= 3240 (+ ULTIMATE.start_main_~x~4 (* 31 ULTIMATE.start_main_~y~4))), 12479#(<= 3360 (+ ULTIMATE.start_main_~x~4 (* 30 ULTIMATE.start_main_~y~4))), 12480#(<= 3476 (+ ULTIMATE.start_main_~x~4 (* 29 ULTIMATE.start_main_~y~4))), 12481#(<= 3588 (+ ULTIMATE.start_main_~x~4 (* 28 ULTIMATE.start_main_~y~4))), 12482#(<= 3696 (+ ULTIMATE.start_main_~x~4 (* 27 ULTIMATE.start_main_~y~4))), 12483#(<= 3800 (+ ULTIMATE.start_main_~x~4 (* 26 ULTIMATE.start_main_~y~4))), 12484#(<= 3900 (+ ULTIMATE.start_main_~x~4 (* 25 ULTIMATE.start_main_~y~4))), 12485#(<= 3996 (+ ULTIMATE.start_main_~x~4 (* 24 ULTIMATE.start_main_~y~4))), 12486#(<= 4088 (+ ULTIMATE.start_main_~x~4 (* 23 ULTIMATE.start_main_~y~4))), 12487#(<= 4176 (+ ULTIMATE.start_main_~x~4 (* 22 ULTIMATE.start_main_~y~4))), 12488#(<= 4260 (+ ULTIMATE.start_main_~x~4 (* 21 ULTIMATE.start_main_~y~4))), 12489#(<= 4340 (+ ULTIMATE.start_main_~x~4 (* 20 ULTIMATE.start_main_~y~4))), 12490#(<= 4416 (+ ULTIMATE.start_main_~x~4 (* 19 ULTIMATE.start_main_~y~4))), 12491#(<= 4488 (+ ULTIMATE.start_main_~x~4 (* 18 ULTIMATE.start_main_~y~4))), 12492#(<= 4556 (+ ULTIMATE.start_main_~x~4 (* 17 ULTIMATE.start_main_~y~4))), 12493#(<= 4620 (+ ULTIMATE.start_main_~x~4 (* 16 ULTIMATE.start_main_~y~4))), 12494#(<= 4680 (+ ULTIMATE.start_main_~x~4 (* 15 ULTIMATE.start_main_~y~4))), 12495#(<= 4736 (+ ULTIMATE.start_main_~x~4 (* 14 ULTIMATE.start_main_~y~4))), 12496#(<= 4788 (+ ULTIMATE.start_main_~x~4 (* 13 ULTIMATE.start_main_~y~4))), 12497#(<= 4836 (+ ULTIMATE.start_main_~x~4 (* 12 ULTIMATE.start_main_~y~4))), 12498#(<= 4880 (+ ULTIMATE.start_main_~x~4 (* 11 ULTIMATE.start_main_~y~4))), 12499#(<= 4920 (+ ULTIMATE.start_main_~x~4 (* 10 ULTIMATE.start_main_~y~4))), 12500#(<= 4956 (+ ULTIMATE.start_main_~x~4 (* 9 ULTIMATE.start_main_~y~4))), 12501#(<= 4988 (+ ULTIMATE.start_main_~x~4 (* 8 ULTIMATE.start_main_~y~4))), 12502#(<= 5016 (+ ULTIMATE.start_main_~x~4 (* 7 ULTIMATE.start_main_~y~4))), 12503#(<= 5040 (+ ULTIMATE.start_main_~x~4 (* 6 ULTIMATE.start_main_~y~4))), 12504#(<= 5060 (+ ULTIMATE.start_main_~x~4 (* 5 ULTIMATE.start_main_~y~4))), 12505#(<= 5076 (+ ULTIMATE.start_main_~x~4 (* 4 ULTIMATE.start_main_~y~4))), 12506#(<= 5088 (+ ULTIMATE.start_main_~x~4 (* 3 ULTIMATE.start_main_~y~4))), 12507#(<= 5096 (+ ULTIMATE.start_main_~x~4 (* 2 ULTIMATE.start_main_~y~4))), 12508#(<= 5100 (+ ULTIMATE.start_main_~x~4 ULTIMATE.start_main_~y~4)), 12509#(<= 1 ULTIMATE.start___VERIFIER_assert_~cond)] [2018-07-23 13:41:31,337 INFO L134 CoverageAnalysis]: Checked inductivity of 2450 backedges. 0 proven. 2450 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-07-23 13:41:31,337 INFO L450 AbstractCegarLoop]: Interpolant automaton has 53 states [2018-07-23 13:41:31,338 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 53 interpolants. [2018-07-23 13:41:31,338 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=103, Invalid=2653, Unknown=0, NotChecked=0, Total=2756 [2018-07-23 13:41:31,338 INFO L87 Difference]: Start difference. First operand 103 states and 103 transitions. Second operand 53 states. [2018-07-23 13:41:31,895 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-07-23 13:41:31,895 INFO L93 Difference]: Finished difference Result 108 states and 108 transitions. [2018-07-23 13:41:31,895 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 53 states. [2018-07-23 13:41:31,895 INFO L78 Accepts]: Start accepts. Automaton has 53 states. Word has length 102 [2018-07-23 13:41:31,895 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-07-23 13:41:31,896 INFO L225 Difference]: With dead ends: 108 [2018-07-23 13:41:31,896 INFO L226 Difference]: Without dead ends: 106 [2018-07-23 13:41:31,897 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 13:41:31,897 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 106 states. [2018-07-23 13:41:31,923 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 106 to 105. [2018-07-23 13:41:31,923 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 105 states. [2018-07-23 13:41:31,923 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 105 states to 105 states and 105 transitions. [2018-07-23 13:41:31,923 INFO L78 Accepts]: Start accepts. Automaton has 105 states and 105 transitions. Word has length 102 [2018-07-23 13:41:31,923 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-07-23 13:41:31,923 INFO L471 AbstractCegarLoop]: Abstraction has 105 states and 105 transitions. [2018-07-23 13:41:31,923 INFO L472 AbstractCegarLoop]: Interpolant automaton has 53 states. [2018-07-23 13:41:31,924 INFO L276 IsEmpty]: Start isEmpty. Operand 105 states and 105 transitions. [2018-07-23 13:41:31,924 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 105 [2018-07-23 13:41:31,924 INFO L349 BasicCegarLoop]: Found error trace [2018-07-23 13:41:31,924 INFO L357 BasicCegarLoop]: trace histogram [51, 50, 1, 1, 1] [2018-07-23 13:41:31,924 INFO L414 AbstractCegarLoop]: === Iteration 51 === [ULTIMATE.startErr0AssertViolationASSERT]=== [2018-07-23 13:41:31,925 INFO L82 PathProgramCache]: Analyzing trace with hash -412352241, now seen corresponding path program 50 times [2018-07-23 13:41:31,925 INFO L69 tionRefinementEngine]: Using refinement strategy FixedRefinementStrategy [2018-07-23 13:41:31,978 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-07-23 13:41:32,353 INFO L134 CoverageAnalysis]: Checked inductivity of 2550 backedges. 0 proven. 2550 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-07-23 13:41:32,354 INFO L309 seRefinementStrategy]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2018-07-23 13:41:32,354 INFO L324 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [53] total 53 [2018-07-23 13:41:32,354 INFO L142 lantAutomatonBuilder]: Constructing canonical interpolant automaton, with selfloop in false state [2018-07-23 13:41:32,355 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-07-23 13:41:32,355 INFO L185 omatonBuilderFactory]: Interpolants [12936#true, 12937#false, 12938#(<= 204 (+ ULTIMATE.start_main_~x~4 (* 51 ULTIMATE.start_main_~y~4))), 12939#(<= 404 (+ ULTIMATE.start_main_~x~4 (* 50 ULTIMATE.start_main_~y~4))), 12940#(<= 600 (+ ULTIMATE.start_main_~x~4 (* 49 ULTIMATE.start_main_~y~4))), 12941#(<= 792 (+ ULTIMATE.start_main_~x~4 (* 48 ULTIMATE.start_main_~y~4))), 12942#(<= 980 (+ ULTIMATE.start_main_~x~4 (* 47 ULTIMATE.start_main_~y~4))), 12943#(<= 1164 (+ ULTIMATE.start_main_~x~4 (* 46 ULTIMATE.start_main_~y~4))), 12944#(<= 1344 (+ ULTIMATE.start_main_~x~4 (* 45 ULTIMATE.start_main_~y~4))), 12945#(<= 1520 (+ ULTIMATE.start_main_~x~4 (* 44 ULTIMATE.start_main_~y~4))), 12946#(<= 1692 (+ ULTIMATE.start_main_~x~4 (* 43 ULTIMATE.start_main_~y~4))), 12947#(<= 1860 (+ ULTIMATE.start_main_~x~4 (* 42 ULTIMATE.start_main_~y~4))), 12948#(<= 2024 (+ ULTIMATE.start_main_~x~4 (* 41 ULTIMATE.start_main_~y~4))), 12949#(<= 2184 (+ ULTIMATE.start_main_~x~4 (* 40 ULTIMATE.start_main_~y~4))), 12950#(<= 2340 (+ ULTIMATE.start_main_~x~4 (* 39 ULTIMATE.start_main_~y~4))), 12951#(<= 2492 (+ ULTIMATE.start_main_~x~4 (* 38 ULTIMATE.start_main_~y~4))), 12952#(<= 2640 (+ ULTIMATE.start_main_~x~4 (* 37 ULTIMATE.start_main_~y~4))), 12953#(<= 2784 (+ ULTIMATE.start_main_~x~4 (* 36 ULTIMATE.start_main_~y~4))), 12954#(<= 2924 (+ ULTIMATE.start_main_~x~4 (* 35 ULTIMATE.start_main_~y~4))), 12955#(<= 3060 (+ ULTIMATE.start_main_~x~4 (* 34 ULTIMATE.start_main_~y~4))), 12956#(<= 3192 (+ ULTIMATE.start_main_~x~4 (* 33 ULTIMATE.start_main_~y~4))), 12957#(<= 3320 (+ ULTIMATE.start_main_~x~4 (* 32 ULTIMATE.start_main_~y~4))), 12958#(<= 3444 (+ ULTIMATE.start_main_~x~4 (* 31 ULTIMATE.start_main_~y~4))), 12959#(<= 3564 (+ ULTIMATE.start_main_~x~4 (* 30 ULTIMATE.start_main_~y~4))), 12960#(<= 3680 (+ ULTIMATE.start_main_~x~4 (* 29 ULTIMATE.start_main_~y~4))), 12961#(<= 3792 (+ ULTIMATE.start_main_~x~4 (* 28 ULTIMATE.start_main_~y~4))), 12962#(<= 3900 (+ ULTIMATE.start_main_~x~4 (* 27 ULTIMATE.start_main_~y~4))), 12963#(<= 4004 (+ ULTIMATE.start_main_~x~4 (* 26 ULTIMATE.start_main_~y~4))), 12964#(<= 4104 (+ ULTIMATE.start_main_~x~4 (* 25 ULTIMATE.start_main_~y~4))), 12965#(<= 4200 (+ ULTIMATE.start_main_~x~4 (* 24 ULTIMATE.start_main_~y~4))), 12966#(<= 4292 (+ ULTIMATE.start_main_~x~4 (* 23 ULTIMATE.start_main_~y~4))), 12967#(<= 4380 (+ ULTIMATE.start_main_~x~4 (* 22 ULTIMATE.start_main_~y~4))), 12968#(<= 4464 (+ ULTIMATE.start_main_~x~4 (* 21 ULTIMATE.start_main_~y~4))), 12969#(<= 4544 (+ ULTIMATE.start_main_~x~4 (* 20 ULTIMATE.start_main_~y~4))), 12970#(<= 4620 (+ ULTIMATE.start_main_~x~4 (* 19 ULTIMATE.start_main_~y~4))), 12971#(<= 4692 (+ ULTIMATE.start_main_~x~4 (* 18 ULTIMATE.start_main_~y~4))), 12972#(<= 4760 (+ ULTIMATE.start_main_~x~4 (* 17 ULTIMATE.start_main_~y~4))), 12973#(<= 4824 (+ ULTIMATE.start_main_~x~4 (* 16 ULTIMATE.start_main_~y~4))), 12974#(<= 4884 (+ ULTIMATE.start_main_~x~4 (* 15 ULTIMATE.start_main_~y~4))), 12975#(<= 4940 (+ ULTIMATE.start_main_~x~4 (* 14 ULTIMATE.start_main_~y~4))), 12976#(<= 4992 (+ ULTIMATE.start_main_~x~4 (* 13 ULTIMATE.start_main_~y~4))), 12977#(<= 5040 (+ ULTIMATE.start_main_~x~4 (* 12 ULTIMATE.start_main_~y~4))), 12978#(<= 5084 (+ ULTIMATE.start_main_~x~4 (* 11 ULTIMATE.start_main_~y~4))), 12979#(<= 5124 (+ ULTIMATE.start_main_~x~4 (* 10 ULTIMATE.start_main_~y~4))), 12980#(<= 5160 (+ ULTIMATE.start_main_~x~4 (* 9 ULTIMATE.start_main_~y~4))), 12981#(<= 5192 (+ ULTIMATE.start_main_~x~4 (* 8 ULTIMATE.start_main_~y~4))), 12982#(<= 5220 (+ ULTIMATE.start_main_~x~4 (* 7 ULTIMATE.start_main_~y~4))), 12983#(<= 5244 (+ ULTIMATE.start_main_~x~4 (* 6 ULTIMATE.start_main_~y~4))), 12984#(<= 5264 (+ ULTIMATE.start_main_~x~4 (* 5 ULTIMATE.start_main_~y~4))), 12985#(<= 5280 (+ ULTIMATE.start_main_~x~4 (* 4 ULTIMATE.start_main_~y~4))), 12986#(<= 5292 (+ ULTIMATE.start_main_~x~4 (* 3 ULTIMATE.start_main_~y~4))), 12987#(<= 5300 (+ ULTIMATE.start_main_~x~4 (* 2 ULTIMATE.start_main_~y~4))), 12988#(<= 5304 (+ ULTIMATE.start_main_~x~4 ULTIMATE.start_main_~y~4)), 12989#(<= 1 ULTIMATE.start___VERIFIER_assert_~cond)] [2018-07-23 13:41:32,356 INFO L134 CoverageAnalysis]: Checked inductivity of 2550 backedges. 0 proven. 2550 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-07-23 13:41:32,356 INFO L450 AbstractCegarLoop]: Interpolant automaton has 54 states [2018-07-23 13:41:32,356 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 54 interpolants. [2018-07-23 13:41:32,356 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=105, Invalid=2757, Unknown=0, NotChecked=0, Total=2862 [2018-07-23 13:41:32,357 INFO L87 Difference]: Start difference. First operand 105 states and 105 transitions. Second operand 54 states. [2018-07-23 13:41:32,876 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-07-23 13:41:32,876 INFO L93 Difference]: Finished difference Result 110 states and 110 transitions. [2018-07-23 13:41:32,876 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 54 states. [2018-07-23 13:41:32,876 INFO L78 Accepts]: Start accepts. Automaton has 54 states. Word has length 104 [2018-07-23 13:41:32,876 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-07-23 13:41:32,877 INFO L225 Difference]: With dead ends: 110 [2018-07-23 13:41:32,877 INFO L226 Difference]: Without dead ends: 108 [2018-07-23 13:41:32,878 INFO L575 BasicCegarLoop]: 0 DeclaredPredicates, 53 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 52 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=105, Invalid=2757, Unknown=0, NotChecked=0, Total=2862 [2018-07-23 13:41:32,878 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 108 states. [2018-07-23 13:41:32,904 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 108 to 107. [2018-07-23 13:41:32,904 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 107 states. [2018-07-23 13:41:32,904 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 107 states to 107 states and 107 transitions. [2018-07-23 13:41:32,904 INFO L78 Accepts]: Start accepts. Automaton has 107 states and 107 transitions. Word has length 104 [2018-07-23 13:41:32,905 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-07-23 13:41:32,905 INFO L471 AbstractCegarLoop]: Abstraction has 107 states and 107 transitions. [2018-07-23 13:41:32,905 INFO L472 AbstractCegarLoop]: Interpolant automaton has 54 states. [2018-07-23 13:41:32,905 INFO L276 IsEmpty]: Start isEmpty. Operand 107 states and 107 transitions. [2018-07-23 13:41:32,906 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 107 [2018-07-23 13:41:32,906 INFO L349 BasicCegarLoop]: Found error trace [2018-07-23 13:41:32,906 INFO L357 BasicCegarLoop]: trace histogram [52, 51, 1, 1, 1] [2018-07-23 13:41:32,906 INFO L414 AbstractCegarLoop]: === Iteration 52 === [ULTIMATE.startErr0AssertViolationASSERT]=== [2018-07-23 13:41:32,906 INFO L82 PathProgramCache]: Analyzing trace with hash -1133565671, now seen corresponding path program 51 times [2018-07-23 13:41:32,906 INFO L69 tionRefinementEngine]: Using refinement strategy FixedRefinementStrategy [2018-07-23 13:41:32,962 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-07-23 13:41:33,245 INFO L134 CoverageAnalysis]: Checked inductivity of 2652 backedges. 0 proven. 2652 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-07-23 13:41:33,246 INFO L309 seRefinementStrategy]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2018-07-23 13:41:33,246 INFO L324 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [54] total 54 [2018-07-23 13:41:33,246 INFO L142 lantAutomatonBuilder]: Constructing canonical interpolant automaton, with selfloop in false state [2018-07-23 13:41:33,247 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-07-23 13:41:33,247 INFO L185 omatonBuilderFactory]: Interpolants [13440#(<= 2700 (+ ULTIMATE.start_main_~x~4 (* 38 ULTIMATE.start_main_~y~4))), 13441#(<= 2848 (+ ULTIMATE.start_main_~x~4 (* 37 ULTIMATE.start_main_~y~4))), 13442#(<= 2992 (+ ULTIMATE.start_main_~x~4 (* 36 ULTIMATE.start_main_~y~4))), 13443#(<= 3132 (+ ULTIMATE.start_main_~x~4 (* 35 ULTIMATE.start_main_~y~4))), 13444#(<= 3268 (+ ULTIMATE.start_main_~x~4 (* 34 ULTIMATE.start_main_~y~4))), 13445#(<= 3400 (+ ULTIMATE.start_main_~x~4 (* 33 ULTIMATE.start_main_~y~4))), 13446#(<= 3528 (+ ULTIMATE.start_main_~x~4 (* 32 ULTIMATE.start_main_~y~4))), 13447#(<= 3652 (+ ULTIMATE.start_main_~x~4 (* 31 ULTIMATE.start_main_~y~4))), 13448#(<= 3772 (+ ULTIMATE.start_main_~x~4 (* 30 ULTIMATE.start_main_~y~4))), 13449#(<= 3888 (+ ULTIMATE.start_main_~x~4 (* 29 ULTIMATE.start_main_~y~4))), 13450#(<= 4000 (+ ULTIMATE.start_main_~x~4 (* 28 ULTIMATE.start_main_~y~4))), 13451#(<= 4108 (+ ULTIMATE.start_main_~x~4 (* 27 ULTIMATE.start_main_~y~4))), 13452#(<= 4212 (+ ULTIMATE.start_main_~x~4 (* 26 ULTIMATE.start_main_~y~4))), 13453#(<= 4312 (+ ULTIMATE.start_main_~x~4 (* 25 ULTIMATE.start_main_~y~4))), 13454#(<= 4408 (+ ULTIMATE.start_main_~x~4 (* 24 ULTIMATE.start_main_~y~4))), 13455#(<= 4500 (+ ULTIMATE.start_main_~x~4 (* 23 ULTIMATE.start_main_~y~4))), 13456#(<= 4588 (+ ULTIMATE.start_main_~x~4 (* 22 ULTIMATE.start_main_~y~4))), 13457#(<= 4672 (+ ULTIMATE.start_main_~x~4 (* 21 ULTIMATE.start_main_~y~4))), 13458#(<= 4752 (+ ULTIMATE.start_main_~x~4 (* 20 ULTIMATE.start_main_~y~4))), 13459#(<= 4828 (+ ULTIMATE.start_main_~x~4 (* 19 ULTIMATE.start_main_~y~4))), 13460#(<= 4900 (+ ULTIMATE.start_main_~x~4 (* 18 ULTIMATE.start_main_~y~4))), 13461#(<= 4968 (+ ULTIMATE.start_main_~x~4 (* 17 ULTIMATE.start_main_~y~4))), 13462#(<= 5032 (+ ULTIMATE.start_main_~x~4 (* 16 ULTIMATE.start_main_~y~4))), 13463#(<= 5092 (+ ULTIMATE.start_main_~x~4 (* 15 ULTIMATE.start_main_~y~4))), 13464#(<= 5148 (+ ULTIMATE.start_main_~x~4 (* 14 ULTIMATE.start_main_~y~4))), 13465#(<= 5200 (+ ULTIMATE.start_main_~x~4 (* 13 ULTIMATE.start_main_~y~4))), 13466#(<= 5248 (+ ULTIMATE.start_main_~x~4 (* 12 ULTIMATE.start_main_~y~4))), 13467#(<= 5292 (+ ULTIMATE.start_main_~x~4 (* 11 ULTIMATE.start_main_~y~4))), 13468#(<= 5332 (+ ULTIMATE.start_main_~x~4 (* 10 ULTIMATE.start_main_~y~4))), 13469#(<= 5368 (+ ULTIMATE.start_main_~x~4 (* 9 ULTIMATE.start_main_~y~4))), 13470#(<= 5400 (+ ULTIMATE.start_main_~x~4 (* 8 ULTIMATE.start_main_~y~4))), 13471#(<= 5428 (+ ULTIMATE.start_main_~x~4 (* 7 ULTIMATE.start_main_~y~4))), 13472#(<= 5452 (+ ULTIMATE.start_main_~x~4 (* 6 ULTIMATE.start_main_~y~4))), 13473#(<= 5472 (+ ULTIMATE.start_main_~x~4 (* 5 ULTIMATE.start_main_~y~4))), 13474#(<= 5488 (+ ULTIMATE.start_main_~x~4 (* 4 ULTIMATE.start_main_~y~4))), 13475#(<= 5500 (+ ULTIMATE.start_main_~x~4 (* 3 ULTIMATE.start_main_~y~4))), 13476#(<= 5508 (+ ULTIMATE.start_main_~x~4 (* 2 ULTIMATE.start_main_~y~4))), 13477#(<= 5512 (+ ULTIMATE.start_main_~x~4 ULTIMATE.start_main_~y~4)), 13478#(<= 1 ULTIMATE.start___VERIFIER_assert_~cond), 13424#true, 13425#false, 13426#(<= 208 (+ ULTIMATE.start_main_~x~4 (* 52 ULTIMATE.start_main_~y~4))), 13427#(<= 412 (+ ULTIMATE.start_main_~x~4 (* 51 ULTIMATE.start_main_~y~4))), 13428#(<= 612 (+ ULTIMATE.start_main_~x~4 (* 50 ULTIMATE.start_main_~y~4))), 13429#(<= 808 (+ ULTIMATE.start_main_~x~4 (* 49 ULTIMATE.start_main_~y~4))), 13430#(<= 1000 (+ ULTIMATE.start_main_~x~4 (* 48 ULTIMATE.start_main_~y~4))), 13431#(<= 1188 (+ ULTIMATE.start_main_~x~4 (* 47 ULTIMATE.start_main_~y~4))), 13432#(<= 1372 (+ ULTIMATE.start_main_~x~4 (* 46 ULTIMATE.start_main_~y~4))), 13433#(<= 1552 (+ ULTIMATE.start_main_~x~4 (* 45 ULTIMATE.start_main_~y~4))), 13434#(<= 1728 (+ ULTIMATE.start_main_~x~4 (* 44 ULTIMATE.start_main_~y~4))), 13435#(<= 1900 (+ ULTIMATE.start_main_~x~4 (* 43 ULTIMATE.start_main_~y~4))), 13436#(<= 2068 (+ ULTIMATE.start_main_~x~4 (* 42 ULTIMATE.start_main_~y~4))), 13437#(<= 2232 (+ ULTIMATE.start_main_~x~4 (* 41 ULTIMATE.start_main_~y~4))), 13438#(<= 2392 (+ ULTIMATE.start_main_~x~4 (* 40 ULTIMATE.start_main_~y~4))), 13439#(<= 2548 (+ ULTIMATE.start_main_~x~4 (* 39 ULTIMATE.start_main_~y~4)))] [2018-07-23 13:41:33,248 INFO L134 CoverageAnalysis]: Checked inductivity of 2652 backedges. 0 proven. 2652 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-07-23 13:41:33,248 INFO L450 AbstractCegarLoop]: Interpolant automaton has 55 states [2018-07-23 13:41:33,248 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 55 interpolants. [2018-07-23 13:41:33,249 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=107, Invalid=2863, Unknown=0, NotChecked=0, Total=2970 [2018-07-23 13:41:33,249 INFO L87 Difference]: Start difference. First operand 107 states and 107 transitions. Second operand 55 states. [2018-07-23 13:41:33,841 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-07-23 13:41:33,842 INFO L93 Difference]: Finished difference Result 112 states and 112 transitions. [2018-07-23 13:41:33,842 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 55 states. [2018-07-23 13:41:33,842 INFO L78 Accepts]: Start accepts. Automaton has 55 states. Word has length 106 [2018-07-23 13:41:33,842 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-07-23 13:41:33,843 INFO L225 Difference]: With dead ends: 112 [2018-07-23 13:41:33,843 INFO L226 Difference]: Without dead ends: 110 [2018-07-23 13:41:33,843 INFO L575 BasicCegarLoop]: 0 DeclaredPredicates, 54 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 53 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=107, Invalid=2863, Unknown=0, NotChecked=0, Total=2970 [2018-07-23 13:41:33,844 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 110 states. [2018-07-23 13:41:33,870 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 110 to 109. [2018-07-23 13:41:33,870 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 109 states. [2018-07-23 13:41:33,870 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 109 states to 109 states and 109 transitions. [2018-07-23 13:41:33,871 INFO L78 Accepts]: Start accepts. Automaton has 109 states and 109 transitions. Word has length 106 [2018-07-23 13:41:33,871 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-07-23 13:41:33,871 INFO L471 AbstractCegarLoop]: Abstraction has 109 states and 109 transitions. [2018-07-23 13:41:33,871 INFO L472 AbstractCegarLoop]: Interpolant automaton has 55 states. [2018-07-23 13:41:33,871 INFO L276 IsEmpty]: Start isEmpty. Operand 109 states and 109 transitions. [2018-07-23 13:41:33,872 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 109 [2018-07-23 13:41:33,872 INFO L349 BasicCegarLoop]: Found error trace [2018-07-23 13:41:33,872 INFO L357 BasicCegarLoop]: trace histogram [53, 52, 1, 1, 1] [2018-07-23 13:41:33,872 INFO L414 AbstractCegarLoop]: === Iteration 53 === [ULTIMATE.startErr0AssertViolationASSERT]=== [2018-07-23 13:41:33,873 INFO L82 PathProgramCache]: Analyzing trace with hash 1565030051, now seen corresponding path program 52 times [2018-07-23 13:41:33,873 INFO L69 tionRefinementEngine]: Using refinement strategy FixedRefinementStrategy [2018-07-23 13:41:33,914 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-07-23 13:41:34,192 INFO L134 CoverageAnalysis]: Checked inductivity of 2756 backedges. 0 proven. 2756 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-07-23 13:41:34,192 INFO L309 seRefinementStrategy]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2018-07-23 13:41:34,192 INFO L324 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [55] total 55 [2018-07-23 13:41:34,192 INFO L142 lantAutomatonBuilder]: Constructing canonical interpolant automaton, with selfloop in false state [2018-07-23 13:41:34,193 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-07-23 13:41:34,193 INFO L185 omatonBuilderFactory]: Interpolants [13952#(<= 4620 (+ ULTIMATE.start_main_~x~4 (* 24 ULTIMATE.start_main_~y~4))), 13953#(<= 4712 (+ ULTIMATE.start_main_~x~4 (* 23 ULTIMATE.start_main_~y~4))), 13954#(<= 4800 (+ ULTIMATE.start_main_~x~4 (* 22 ULTIMATE.start_main_~y~4))), 13955#(<= 4884 (+ ULTIMATE.start_main_~x~4 (* 21 ULTIMATE.start_main_~y~4))), 13956#(<= 4964 (+ ULTIMATE.start_main_~x~4 (* 20 ULTIMATE.start_main_~y~4))), 13957#(<= 5040 (+ ULTIMATE.start_main_~x~4 (* 19 ULTIMATE.start_main_~y~4))), 13958#(<= 5112 (+ ULTIMATE.start_main_~x~4 (* 18 ULTIMATE.start_main_~y~4))), 13959#(<= 5180 (+ ULTIMATE.start_main_~x~4 (* 17 ULTIMATE.start_main_~y~4))), 13960#(<= 5244 (+ ULTIMATE.start_main_~x~4 (* 16 ULTIMATE.start_main_~y~4))), 13961#(<= 5304 (+ ULTIMATE.start_main_~x~4 (* 15 ULTIMATE.start_main_~y~4))), 13962#(<= 5360 (+ ULTIMATE.start_main_~x~4 (* 14 ULTIMATE.start_main_~y~4))), 13963#(<= 5412 (+ ULTIMATE.start_main_~x~4 (* 13 ULTIMATE.start_main_~y~4))), 13964#(<= 5460 (+ ULTIMATE.start_main_~x~4 (* 12 ULTIMATE.start_main_~y~4))), 13965#(<= 5504 (+ ULTIMATE.start_main_~x~4 (* 11 ULTIMATE.start_main_~y~4))), 13966#(<= 5544 (+ ULTIMATE.start_main_~x~4 (* 10 ULTIMATE.start_main_~y~4))), 13967#(<= 5580 (+ ULTIMATE.start_main_~x~4 (* 9 ULTIMATE.start_main_~y~4))), 13968#(<= 5612 (+ ULTIMATE.start_main_~x~4 (* 8 ULTIMATE.start_main_~y~4))), 13969#(<= 5640 (+ ULTIMATE.start_main_~x~4 (* 7 ULTIMATE.start_main_~y~4))), 13970#(<= 5664 (+ ULTIMATE.start_main_~x~4 (* 6 ULTIMATE.start_main_~y~4))), 13971#(<= 5684 (+ ULTIMATE.start_main_~x~4 (* 5 ULTIMATE.start_main_~y~4))), 13972#(<= 5700 (+ ULTIMATE.start_main_~x~4 (* 4 ULTIMATE.start_main_~y~4))), 13973#(<= 5712 (+ ULTIMATE.start_main_~x~4 (* 3 ULTIMATE.start_main_~y~4))), 13974#(<= 5720 (+ ULTIMATE.start_main_~x~4 (* 2 ULTIMATE.start_main_~y~4))), 13975#(<= 5724 (+ ULTIMATE.start_main_~x~4 ULTIMATE.start_main_~y~4)), 13976#(<= 1 ULTIMATE.start___VERIFIER_assert_~cond), 13921#true, 13922#false, 13923#(<= 212 (+ ULTIMATE.start_main_~x~4 (* 53 ULTIMATE.start_main_~y~4))), 13924#(<= 420 (+ ULTIMATE.start_main_~x~4 (* 52 ULTIMATE.start_main_~y~4))), 13925#(<= 624 (+ ULTIMATE.start_main_~x~4 (* 51 ULTIMATE.start_main_~y~4))), 13926#(<= 824 (+ ULTIMATE.start_main_~x~4 (* 50 ULTIMATE.start_main_~y~4))), 13927#(<= 1020 (+ ULTIMATE.start_main_~x~4 (* 49 ULTIMATE.start_main_~y~4))), 13928#(<= 1212 (+ ULTIMATE.start_main_~x~4 (* 48 ULTIMATE.start_main_~y~4))), 13929#(<= 1400 (+ ULTIMATE.start_main_~x~4 (* 47 ULTIMATE.start_main_~y~4))), 13930#(<= 1584 (+ ULTIMATE.start_main_~x~4 (* 46 ULTIMATE.start_main_~y~4))), 13931#(<= 1764 (+ ULTIMATE.start_main_~x~4 (* 45 ULTIMATE.start_main_~y~4))), 13932#(<= 1940 (+ ULTIMATE.start_main_~x~4 (* 44 ULTIMATE.start_main_~y~4))), 13933#(<= 2112 (+ ULTIMATE.start_main_~x~4 (* 43 ULTIMATE.start_main_~y~4))), 13934#(<= 2280 (+ ULTIMATE.start_main_~x~4 (* 42 ULTIMATE.start_main_~y~4))), 13935#(<= 2444 (+ ULTIMATE.start_main_~x~4 (* 41 ULTIMATE.start_main_~y~4))), 13936#(<= 2604 (+ ULTIMATE.start_main_~x~4 (* 40 ULTIMATE.start_main_~y~4))), 13937#(<= 2760 (+ ULTIMATE.start_main_~x~4 (* 39 ULTIMATE.start_main_~y~4))), 13938#(<= 2912 (+ ULTIMATE.start_main_~x~4 (* 38 ULTIMATE.start_main_~y~4))), 13939#(<= 3060 (+ ULTIMATE.start_main_~x~4 (* 37 ULTIMATE.start_main_~y~4))), 13940#(<= 3204 (+ ULTIMATE.start_main_~x~4 (* 36 ULTIMATE.start_main_~y~4))), 13941#(<= 3344 (+ ULTIMATE.start_main_~x~4 (* 35 ULTIMATE.start_main_~y~4))), 13942#(<= 3480 (+ ULTIMATE.start_main_~x~4 (* 34 ULTIMATE.start_main_~y~4))), 13943#(<= 3612 (+ ULTIMATE.start_main_~x~4 (* 33 ULTIMATE.start_main_~y~4))), 13944#(<= 3740 (+ ULTIMATE.start_main_~x~4 (* 32 ULTIMATE.start_main_~y~4))), 13945#(<= 3864 (+ ULTIMATE.start_main_~x~4 (* 31 ULTIMATE.start_main_~y~4))), 13946#(<= 3984 (+ ULTIMATE.start_main_~x~4 (* 30 ULTIMATE.start_main_~y~4))), 13947#(<= 4100 (+ ULTIMATE.start_main_~x~4 (* 29 ULTIMATE.start_main_~y~4))), 13948#(<= 4212 (+ ULTIMATE.start_main_~x~4 (* 28 ULTIMATE.start_main_~y~4))), 13949#(<= 4320 (+ ULTIMATE.start_main_~x~4 (* 27 ULTIMATE.start_main_~y~4))), 13950#(<= 4424 (+ ULTIMATE.start_main_~x~4 (* 26 ULTIMATE.start_main_~y~4))), 13951#(<= 4524 (+ ULTIMATE.start_main_~x~4 (* 25 ULTIMATE.start_main_~y~4)))] [2018-07-23 13:41:34,194 INFO L134 CoverageAnalysis]: Checked inductivity of 2756 backedges. 0 proven. 2756 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-07-23 13:41:34,194 INFO L450 AbstractCegarLoop]: Interpolant automaton has 56 states [2018-07-23 13:41:34,194 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 56 interpolants. [2018-07-23 13:41:34,194 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=109, Invalid=2971, Unknown=0, NotChecked=0, Total=3080 [2018-07-23 13:41:34,195 INFO L87 Difference]: Start difference. First operand 109 states and 109 transitions. Second operand 56 states. [2018-07-23 13:41:34,782 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-07-23 13:41:34,782 INFO L93 Difference]: Finished difference Result 114 states and 114 transitions. [2018-07-23 13:41:34,783 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 56 states. [2018-07-23 13:41:34,783 INFO L78 Accepts]: Start accepts. Automaton has 56 states. Word has length 108 [2018-07-23 13:41:34,783 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-07-23 13:41:34,784 INFO L225 Difference]: With dead ends: 114 [2018-07-23 13:41:34,784 INFO L226 Difference]: Without dead ends: 112 [2018-07-23 13:41:34,785 INFO L575 BasicCegarLoop]: 0 DeclaredPredicates, 55 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 54 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=109, Invalid=2971, Unknown=0, NotChecked=0, Total=3080 [2018-07-23 13:41:34,785 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 112 states. [2018-07-23 13:41:34,815 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 112 to 111. [2018-07-23 13:41:34,816 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 111 states. [2018-07-23 13:41:34,816 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 111 states to 111 states and 111 transitions. [2018-07-23 13:41:34,817 INFO L78 Accepts]: Start accepts. Automaton has 111 states and 111 transitions. Word has length 108 [2018-07-23 13:41:34,817 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-07-23 13:41:34,817 INFO L471 AbstractCegarLoop]: Abstraction has 111 states and 111 transitions. [2018-07-23 13:41:34,817 INFO L472 AbstractCegarLoop]: Interpolant automaton has 56 states. [2018-07-23 13:41:34,817 INFO L276 IsEmpty]: Start isEmpty. Operand 111 states and 111 transitions. [2018-07-23 13:41:34,818 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 111 [2018-07-23 13:41:34,818 INFO L349 BasicCegarLoop]: Found error trace [2018-07-23 13:41:34,818 INFO L357 BasicCegarLoop]: trace histogram [54, 53, 1, 1, 1] [2018-07-23 13:41:34,818 INFO L414 AbstractCegarLoop]: === Iteration 54 === [ULTIMATE.startErr0AssertViolationASSERT]=== [2018-07-23 13:41:34,818 INFO L82 PathProgramCache]: Analyzing trace with hash 755272109, now seen corresponding path program 53 times [2018-07-23 13:41:34,818 INFO L69 tionRefinementEngine]: Using refinement strategy FixedRefinementStrategy [2018-07-23 13:41:34,864 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-07-23 13:41:35,117 INFO L134 CoverageAnalysis]: Checked inductivity of 2862 backedges. 0 proven. 2862 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-07-23 13:41:35,118 INFO L309 seRefinementStrategy]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2018-07-23 13:41:35,118 INFO L324 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [56] total 56 [2018-07-23 13:41:35,118 INFO L142 lantAutomatonBuilder]: Constructing canonical interpolant automaton, with selfloop in false state [2018-07-23 13:41:35,118 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-07-23 13:41:35,119 INFO L185 omatonBuilderFactory]: Interpolants [14464#(<= 5256 (+ ULTIMATE.start_main_~x~4 (* 19 ULTIMATE.start_main_~y~4))), 14465#(<= 5328 (+ ULTIMATE.start_main_~x~4 (* 18 ULTIMATE.start_main_~y~4))), 14466#(<= 5396 (+ ULTIMATE.start_main_~x~4 (* 17 ULTIMATE.start_main_~y~4))), 14467#(<= 5460 (+ ULTIMATE.start_main_~x~4 (* 16 ULTIMATE.start_main_~y~4))), 14468#(<= 5520 (+ ULTIMATE.start_main_~x~4 (* 15 ULTIMATE.start_main_~y~4))), 14469#(<= 5576 (+ ULTIMATE.start_main_~x~4 (* 14 ULTIMATE.start_main_~y~4))), 14470#(<= 5628 (+ ULTIMATE.start_main_~x~4 (* 13 ULTIMATE.start_main_~y~4))), 14471#(<= 5676 (+ ULTIMATE.start_main_~x~4 (* 12 ULTIMATE.start_main_~y~4))), 14472#(<= 5720 (+ ULTIMATE.start_main_~x~4 (* 11 ULTIMATE.start_main_~y~4))), 14473#(<= 5760 (+ ULTIMATE.start_main_~x~4 (* 10 ULTIMATE.start_main_~y~4))), 14474#(<= 5796 (+ ULTIMATE.start_main_~x~4 (* 9 ULTIMATE.start_main_~y~4))), 14475#(<= 5828 (+ ULTIMATE.start_main_~x~4 (* 8 ULTIMATE.start_main_~y~4))), 14476#(<= 5856 (+ ULTIMATE.start_main_~x~4 (* 7 ULTIMATE.start_main_~y~4))), 14477#(<= 5880 (+ ULTIMATE.start_main_~x~4 (* 6 ULTIMATE.start_main_~y~4))), 14478#(<= 5900 (+ ULTIMATE.start_main_~x~4 (* 5 ULTIMATE.start_main_~y~4))), 14479#(<= 5916 (+ ULTIMATE.start_main_~x~4 (* 4 ULTIMATE.start_main_~y~4))), 14480#(<= 5928 (+ ULTIMATE.start_main_~x~4 (* 3 ULTIMATE.start_main_~y~4))), 14481#(<= 5936 (+ ULTIMATE.start_main_~x~4 (* 2 ULTIMATE.start_main_~y~4))), 14482#(<= 5940 (+ ULTIMATE.start_main_~x~4 ULTIMATE.start_main_~y~4)), 14483#(<= 1 ULTIMATE.start___VERIFIER_assert_~cond), 14427#true, 14428#false, 14429#(<= 216 (+ ULTIMATE.start_main_~x~4 (* 54 ULTIMATE.start_main_~y~4))), 14430#(<= 428 (+ ULTIMATE.start_main_~x~4 (* 53 ULTIMATE.start_main_~y~4))), 14431#(<= 636 (+ ULTIMATE.start_main_~x~4 (* 52 ULTIMATE.start_main_~y~4))), 14432#(<= 840 (+ ULTIMATE.start_main_~x~4 (* 51 ULTIMATE.start_main_~y~4))), 14433#(<= 1040 (+ ULTIMATE.start_main_~x~4 (* 50 ULTIMATE.start_main_~y~4))), 14434#(<= 1236 (+ ULTIMATE.start_main_~x~4 (* 49 ULTIMATE.start_main_~y~4))), 14435#(<= 1428 (+ ULTIMATE.start_main_~x~4 (* 48 ULTIMATE.start_main_~y~4))), 14436#(<= 1616 (+ ULTIMATE.start_main_~x~4 (* 47 ULTIMATE.start_main_~y~4))), 14437#(<= 1800 (+ ULTIMATE.start_main_~x~4 (* 46 ULTIMATE.start_main_~y~4))), 14438#(<= 1980 (+ ULTIMATE.start_main_~x~4 (* 45 ULTIMATE.start_main_~y~4))), 14439#(<= 2156 (+ ULTIMATE.start_main_~x~4 (* 44 ULTIMATE.start_main_~y~4))), 14440#(<= 2328 (+ ULTIMATE.start_main_~x~4 (* 43 ULTIMATE.start_main_~y~4))), 14441#(<= 2496 (+ ULTIMATE.start_main_~x~4 (* 42 ULTIMATE.start_main_~y~4))), 14442#(<= 2660 (+ ULTIMATE.start_main_~x~4 (* 41 ULTIMATE.start_main_~y~4))), 14443#(<= 2820 (+ ULTIMATE.start_main_~x~4 (* 40 ULTIMATE.start_main_~y~4))), 14444#(<= 2976 (+ ULTIMATE.start_main_~x~4 (* 39 ULTIMATE.start_main_~y~4))), 14445#(<= 3128 (+ ULTIMATE.start_main_~x~4 (* 38 ULTIMATE.start_main_~y~4))), 14446#(<= 3276 (+ ULTIMATE.start_main_~x~4 (* 37 ULTIMATE.start_main_~y~4))), 14447#(<= 3420 (+ ULTIMATE.start_main_~x~4 (* 36 ULTIMATE.start_main_~y~4))), 14448#(<= 3560 (+ ULTIMATE.start_main_~x~4 (* 35 ULTIMATE.start_main_~y~4))), 14449#(<= 3696 (+ ULTIMATE.start_main_~x~4 (* 34 ULTIMATE.start_main_~y~4))), 14450#(<= 3828 (+ ULTIMATE.start_main_~x~4 (* 33 ULTIMATE.start_main_~y~4))), 14451#(<= 3956 (+ ULTIMATE.start_main_~x~4 (* 32 ULTIMATE.start_main_~y~4))), 14452#(<= 4080 (+ ULTIMATE.start_main_~x~4 (* 31 ULTIMATE.start_main_~y~4))), 14453#(<= 4200 (+ ULTIMATE.start_main_~x~4 (* 30 ULTIMATE.start_main_~y~4))), 14454#(<= 4316 (+ ULTIMATE.start_main_~x~4 (* 29 ULTIMATE.start_main_~y~4))), 14455#(<= 4428 (+ ULTIMATE.start_main_~x~4 (* 28 ULTIMATE.start_main_~y~4))), 14456#(<= 4536 (+ ULTIMATE.start_main_~x~4 (* 27 ULTIMATE.start_main_~y~4))), 14457#(<= 4640 (+ ULTIMATE.start_main_~x~4 (* 26 ULTIMATE.start_main_~y~4))), 14458#(<= 4740 (+ ULTIMATE.start_main_~x~4 (* 25 ULTIMATE.start_main_~y~4))), 14459#(<= 4836 (+ ULTIMATE.start_main_~x~4 (* 24 ULTIMATE.start_main_~y~4))), 14460#(<= 4928 (+ ULTIMATE.start_main_~x~4 (* 23 ULTIMATE.start_main_~y~4))), 14461#(<= 5016 (+ ULTIMATE.start_main_~x~4 (* 22 ULTIMATE.start_main_~y~4))), 14462#(<= 5100 (+ ULTIMATE.start_main_~x~4 (* 21 ULTIMATE.start_main_~y~4))), 14463#(<= 5180 (+ ULTIMATE.start_main_~x~4 (* 20 ULTIMATE.start_main_~y~4)))] [2018-07-23 13:41:35,119 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 13:41:35,120 INFO L450 AbstractCegarLoop]: Interpolant automaton has 57 states [2018-07-23 13:41:35,120 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 57 interpolants. [2018-07-23 13:41:35,120 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=111, Invalid=3081, Unknown=0, NotChecked=0, Total=3192 [2018-07-23 13:41:35,121 INFO L87 Difference]: Start difference. First operand 111 states and 111 transitions. Second operand 57 states. [2018-07-23 13:41:35,726 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-07-23 13:41:35,726 INFO L93 Difference]: Finished difference Result 116 states and 116 transitions. [2018-07-23 13:41:35,726 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 57 states. [2018-07-23 13:41:35,726 INFO L78 Accepts]: Start accepts. Automaton has 57 states. Word has length 110 [2018-07-23 13:41:35,727 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-07-23 13:41:35,727 INFO L225 Difference]: With dead ends: 116 [2018-07-23 13:41:35,727 INFO L226 Difference]: Without dead ends: 114 [2018-07-23 13:41:35,728 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 13:41:35,728 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 114 states. [2018-07-23 13:41:35,752 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 114 to 113. [2018-07-23 13:41:35,752 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 113 states. [2018-07-23 13:41:35,753 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 113 states to 113 states and 113 transitions. [2018-07-23 13:41:35,753 INFO L78 Accepts]: Start accepts. Automaton has 113 states and 113 transitions. Word has length 110 [2018-07-23 13:41:35,753 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-07-23 13:41:35,753 INFO L471 AbstractCegarLoop]: Abstraction has 113 states and 113 transitions. [2018-07-23 13:41:35,753 INFO L472 AbstractCegarLoop]: Interpolant automaton has 57 states. [2018-07-23 13:41:35,753 INFO L276 IsEmpty]: Start isEmpty. Operand 113 states and 113 transitions. [2018-07-23 13:41:35,754 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 113 [2018-07-23 13:41:35,754 INFO L349 BasicCegarLoop]: Found error trace [2018-07-23 13:41:35,754 INFO L357 BasicCegarLoop]: trace histogram [55, 54, 1, 1, 1] [2018-07-23 13:41:35,754 INFO L414 AbstractCegarLoop]: === Iteration 55 === [ULTIMATE.startErr0AssertViolationASSERT]=== [2018-07-23 13:41:35,754 INFO L82 PathProgramCache]: Analyzing trace with hash -33029577, now seen corresponding path program 54 times [2018-07-23 13:41:35,754 INFO L69 tionRefinementEngine]: Using refinement strategy FixedRefinementStrategy [2018-07-23 13:41:35,819 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-07-23 13:41:36,092 INFO L134 CoverageAnalysis]: Checked inductivity of 2970 backedges. 0 proven. 2970 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-07-23 13:41:36,092 INFO L309 seRefinementStrategy]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2018-07-23 13:41:36,092 INFO L324 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [57] total 57 [2018-07-23 13:41:36,093 INFO L142 lantAutomatonBuilder]: Constructing canonical interpolant automaton, with selfloop in false state [2018-07-23 13:41:36,093 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-07-23 13:41:36,093 INFO L185 omatonBuilderFactory]: Interpolants [14976#(<= 5148 (+ ULTIMATE.start_main_~x~4 (* 23 ULTIMATE.start_main_~y~4))), 14977#(<= 5236 (+ ULTIMATE.start_main_~x~4 (* 22 ULTIMATE.start_main_~y~4))), 14978#(<= 5320 (+ ULTIMATE.start_main_~x~4 (* 21 ULTIMATE.start_main_~y~4))), 14979#(<= 5400 (+ ULTIMATE.start_main_~x~4 (* 20 ULTIMATE.start_main_~y~4))), 14980#(<= 5476 (+ ULTIMATE.start_main_~x~4 (* 19 ULTIMATE.start_main_~y~4))), 14981#(<= 5548 (+ ULTIMATE.start_main_~x~4 (* 18 ULTIMATE.start_main_~y~4))), 14982#(<= 5616 (+ ULTIMATE.start_main_~x~4 (* 17 ULTIMATE.start_main_~y~4))), 14983#(<= 5680 (+ ULTIMATE.start_main_~x~4 (* 16 ULTIMATE.start_main_~y~4))), 14984#(<= 5740 (+ ULTIMATE.start_main_~x~4 (* 15 ULTIMATE.start_main_~y~4))), 14985#(<= 5796 (+ ULTIMATE.start_main_~x~4 (* 14 ULTIMATE.start_main_~y~4))), 14986#(<= 5848 (+ ULTIMATE.start_main_~x~4 (* 13 ULTIMATE.start_main_~y~4))), 14987#(<= 5896 (+ ULTIMATE.start_main_~x~4 (* 12 ULTIMATE.start_main_~y~4))), 14988#(<= 5940 (+ ULTIMATE.start_main_~x~4 (* 11 ULTIMATE.start_main_~y~4))), 14989#(<= 5980 (+ ULTIMATE.start_main_~x~4 (* 10 ULTIMATE.start_main_~y~4))), 14990#(<= 6016 (+ ULTIMATE.start_main_~x~4 (* 9 ULTIMATE.start_main_~y~4))), 14991#(<= 6048 (+ ULTIMATE.start_main_~x~4 (* 8 ULTIMATE.start_main_~y~4))), 14992#(<= 6076 (+ ULTIMATE.start_main_~x~4 (* 7 ULTIMATE.start_main_~y~4))), 14993#(<= 6100 (+ ULTIMATE.start_main_~x~4 (* 6 ULTIMATE.start_main_~y~4))), 14994#(<= 6120 (+ ULTIMATE.start_main_~x~4 (* 5 ULTIMATE.start_main_~y~4))), 14995#(<= 6136 (+ ULTIMATE.start_main_~x~4 (* 4 ULTIMATE.start_main_~y~4))), 14996#(<= 6148 (+ ULTIMATE.start_main_~x~4 (* 3 ULTIMATE.start_main_~y~4))), 14997#(<= 6156 (+ ULTIMATE.start_main_~x~4 (* 2 ULTIMATE.start_main_~y~4))), 14998#(<= 6160 (+ ULTIMATE.start_main_~x~4 ULTIMATE.start_main_~y~4)), 14999#(<= 1 ULTIMATE.start___VERIFIER_assert_~cond), 14942#true, 14943#false, 14944#(<= 220 (+ ULTIMATE.start_main_~x~4 (* 55 ULTIMATE.start_main_~y~4))), 14945#(<= 436 (+ ULTIMATE.start_main_~x~4 (* 54 ULTIMATE.start_main_~y~4))), 14946#(<= 648 (+ ULTIMATE.start_main_~x~4 (* 53 ULTIMATE.start_main_~y~4))), 14947#(<= 856 (+ ULTIMATE.start_main_~x~4 (* 52 ULTIMATE.start_main_~y~4))), 14948#(<= 1060 (+ ULTIMATE.start_main_~x~4 (* 51 ULTIMATE.start_main_~y~4))), 14949#(<= 1260 (+ ULTIMATE.start_main_~x~4 (* 50 ULTIMATE.start_main_~y~4))), 14950#(<= 1456 (+ ULTIMATE.start_main_~x~4 (* 49 ULTIMATE.start_main_~y~4))), 14951#(<= 1648 (+ ULTIMATE.start_main_~x~4 (* 48 ULTIMATE.start_main_~y~4))), 14952#(<= 1836 (+ ULTIMATE.start_main_~x~4 (* 47 ULTIMATE.start_main_~y~4))), 14953#(<= 2020 (+ ULTIMATE.start_main_~x~4 (* 46 ULTIMATE.start_main_~y~4))), 14954#(<= 2200 (+ ULTIMATE.start_main_~x~4 (* 45 ULTIMATE.start_main_~y~4))), 14955#(<= 2376 (+ ULTIMATE.start_main_~x~4 (* 44 ULTIMATE.start_main_~y~4))), 14956#(<= 2548 (+ ULTIMATE.start_main_~x~4 (* 43 ULTIMATE.start_main_~y~4))), 14957#(<= 2716 (+ ULTIMATE.start_main_~x~4 (* 42 ULTIMATE.start_main_~y~4))), 14958#(<= 2880 (+ ULTIMATE.start_main_~x~4 (* 41 ULTIMATE.start_main_~y~4))), 14959#(<= 3040 (+ ULTIMATE.start_main_~x~4 (* 40 ULTIMATE.start_main_~y~4))), 14960#(<= 3196 (+ ULTIMATE.start_main_~x~4 (* 39 ULTIMATE.start_main_~y~4))), 14961#(<= 3348 (+ ULTIMATE.start_main_~x~4 (* 38 ULTIMATE.start_main_~y~4))), 14962#(<= 3496 (+ ULTIMATE.start_main_~x~4 (* 37 ULTIMATE.start_main_~y~4))), 14963#(<= 3640 (+ ULTIMATE.start_main_~x~4 (* 36 ULTIMATE.start_main_~y~4))), 14964#(<= 3780 (+ ULTIMATE.start_main_~x~4 (* 35 ULTIMATE.start_main_~y~4))), 14965#(<= 3916 (+ ULTIMATE.start_main_~x~4 (* 34 ULTIMATE.start_main_~y~4))), 14966#(<= 4048 (+ ULTIMATE.start_main_~x~4 (* 33 ULTIMATE.start_main_~y~4))), 14967#(<= 4176 (+ ULTIMATE.start_main_~x~4 (* 32 ULTIMATE.start_main_~y~4))), 14968#(<= 4300 (+ ULTIMATE.start_main_~x~4 (* 31 ULTIMATE.start_main_~y~4))), 14969#(<= 4420 (+ ULTIMATE.start_main_~x~4 (* 30 ULTIMATE.start_main_~y~4))), 14970#(<= 4536 (+ ULTIMATE.start_main_~x~4 (* 29 ULTIMATE.start_main_~y~4))), 14971#(<= 4648 (+ ULTIMATE.start_main_~x~4 (* 28 ULTIMATE.start_main_~y~4))), 14972#(<= 4756 (+ ULTIMATE.start_main_~x~4 (* 27 ULTIMATE.start_main_~y~4))), 14973#(<= 4860 (+ ULTIMATE.start_main_~x~4 (* 26 ULTIMATE.start_main_~y~4))), 14974#(<= 4960 (+ ULTIMATE.start_main_~x~4 (* 25 ULTIMATE.start_main_~y~4))), 14975#(<= 5056 (+ ULTIMATE.start_main_~x~4 (* 24 ULTIMATE.start_main_~y~4)))] [2018-07-23 13:41:36,093 INFO L134 CoverageAnalysis]: Checked inductivity of 2970 backedges. 0 proven. 2970 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-07-23 13:41:36,094 INFO L450 AbstractCegarLoop]: Interpolant automaton has 58 states [2018-07-23 13:41:36,094 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 58 interpolants. [2018-07-23 13:41:36,094 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=113, Invalid=3193, Unknown=0, NotChecked=0, Total=3306 [2018-07-23 13:41:36,094 INFO L87 Difference]: Start difference. First operand 113 states and 113 transitions. Second operand 58 states. [2018-07-23 13:41:36,675 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-07-23 13:41:36,675 INFO L93 Difference]: Finished difference Result 118 states and 118 transitions. [2018-07-23 13:41:36,675 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 58 states. [2018-07-23 13:41:36,675 INFO L78 Accepts]: Start accepts. Automaton has 58 states. Word has length 112 [2018-07-23 13:41:36,676 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-07-23 13:41:36,676 INFO L225 Difference]: With dead ends: 118 [2018-07-23 13:41:36,676 INFO L226 Difference]: Without dead ends: 116 [2018-07-23 13:41:36,677 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 13:41:36,677 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 116 states. [2018-07-23 13:41:36,703 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 116 to 115. [2018-07-23 13:41:36,703 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 115 states. [2018-07-23 13:41:36,703 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 115 states to 115 states and 115 transitions. [2018-07-23 13:41:36,703 INFO L78 Accepts]: Start accepts. Automaton has 115 states and 115 transitions. Word has length 112 [2018-07-23 13:41:36,704 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-07-23 13:41:36,704 INFO L471 AbstractCegarLoop]: Abstraction has 115 states and 115 transitions. [2018-07-23 13:41:36,704 INFO L472 AbstractCegarLoop]: Interpolant automaton has 58 states. [2018-07-23 13:41:36,704 INFO L276 IsEmpty]: Start isEmpty. Operand 115 states and 115 transitions. [2018-07-23 13:41:36,705 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 115 [2018-07-23 13:41:36,705 INFO L349 BasicCegarLoop]: Found error trace [2018-07-23 13:41:36,705 INFO L357 BasicCegarLoop]: trace histogram [56, 55, 1, 1, 1] [2018-07-23 13:41:36,705 INFO L414 AbstractCegarLoop]: === Iteration 56 === [ULTIMATE.startErr0AssertViolationASSERT]=== [2018-07-23 13:41:36,706 INFO L82 PathProgramCache]: Analyzing trace with hash -1676705727, now seen corresponding path program 55 times [2018-07-23 13:41:36,706 INFO L69 tionRefinementEngine]: Using refinement strategy FixedRefinementStrategy [2018-07-23 13:41:36,763 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-07-23 13:41:37,064 INFO L134 CoverageAnalysis]: Checked inductivity of 3080 backedges. 0 proven. 3080 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-07-23 13:41:37,064 INFO L309 seRefinementStrategy]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2018-07-23 13:41:37,064 INFO L324 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [58] total 58 [2018-07-23 13:41:37,065 INFO L142 lantAutomatonBuilder]: Constructing canonical interpolant automaton, with selfloop in false state [2018-07-23 13:41:37,065 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-07-23 13:41:37,065 INFO L185 omatonBuilderFactory]: Interpolants [15488#(<= 3864 (+ ULTIMATE.start_main_~x~4 (* 36 ULTIMATE.start_main_~y~4))), 15489#(<= 4004 (+ ULTIMATE.start_main_~x~4 (* 35 ULTIMATE.start_main_~y~4))), 15490#(<= 4140 (+ ULTIMATE.start_main_~x~4 (* 34 ULTIMATE.start_main_~y~4))), 15491#(<= 4272 (+ ULTIMATE.start_main_~x~4 (* 33 ULTIMATE.start_main_~y~4))), 15492#(<= 4400 (+ ULTIMATE.start_main_~x~4 (* 32 ULTIMATE.start_main_~y~4))), 15493#(<= 4524 (+ ULTIMATE.start_main_~x~4 (* 31 ULTIMATE.start_main_~y~4))), 15494#(<= 4644 (+ ULTIMATE.start_main_~x~4 (* 30 ULTIMATE.start_main_~y~4))), 15495#(<= 4760 (+ ULTIMATE.start_main_~x~4 (* 29 ULTIMATE.start_main_~y~4))), 15496#(<= 4872 (+ ULTIMATE.start_main_~x~4 (* 28 ULTIMATE.start_main_~y~4))), 15497#(<= 4980 (+ ULTIMATE.start_main_~x~4 (* 27 ULTIMATE.start_main_~y~4))), 15498#(<= 5084 (+ ULTIMATE.start_main_~x~4 (* 26 ULTIMATE.start_main_~y~4))), 15499#(<= 5184 (+ ULTIMATE.start_main_~x~4 (* 25 ULTIMATE.start_main_~y~4))), 15500#(<= 5280 (+ ULTIMATE.start_main_~x~4 (* 24 ULTIMATE.start_main_~y~4))), 15501#(<= 5372 (+ ULTIMATE.start_main_~x~4 (* 23 ULTIMATE.start_main_~y~4))), 15502#(<= 5460 (+ ULTIMATE.start_main_~x~4 (* 22 ULTIMATE.start_main_~y~4))), 15503#(<= 5544 (+ ULTIMATE.start_main_~x~4 (* 21 ULTIMATE.start_main_~y~4))), 15504#(<= 5624 (+ ULTIMATE.start_main_~x~4 (* 20 ULTIMATE.start_main_~y~4))), 15505#(<= 5700 (+ ULTIMATE.start_main_~x~4 (* 19 ULTIMATE.start_main_~y~4))), 15506#(<= 5772 (+ ULTIMATE.start_main_~x~4 (* 18 ULTIMATE.start_main_~y~4))), 15507#(<= 5840 (+ ULTIMATE.start_main_~x~4 (* 17 ULTIMATE.start_main_~y~4))), 15508#(<= 5904 (+ ULTIMATE.start_main_~x~4 (* 16 ULTIMATE.start_main_~y~4))), 15509#(<= 5964 (+ ULTIMATE.start_main_~x~4 (* 15 ULTIMATE.start_main_~y~4))), 15510#(<= 6020 (+ ULTIMATE.start_main_~x~4 (* 14 ULTIMATE.start_main_~y~4))), 15511#(<= 6072 (+ ULTIMATE.start_main_~x~4 (* 13 ULTIMATE.start_main_~y~4))), 15512#(<= 6120 (+ ULTIMATE.start_main_~x~4 (* 12 ULTIMATE.start_main_~y~4))), 15513#(<= 6164 (+ ULTIMATE.start_main_~x~4 (* 11 ULTIMATE.start_main_~y~4))), 15514#(<= 6204 (+ ULTIMATE.start_main_~x~4 (* 10 ULTIMATE.start_main_~y~4))), 15515#(<= 6240 (+ ULTIMATE.start_main_~x~4 (* 9 ULTIMATE.start_main_~y~4))), 15516#(<= 6272 (+ ULTIMATE.start_main_~x~4 (* 8 ULTIMATE.start_main_~y~4))), 15517#(<= 6300 (+ ULTIMATE.start_main_~x~4 (* 7 ULTIMATE.start_main_~y~4))), 15518#(<= 6324 (+ ULTIMATE.start_main_~x~4 (* 6 ULTIMATE.start_main_~y~4))), 15519#(<= 6344 (+ ULTIMATE.start_main_~x~4 (* 5 ULTIMATE.start_main_~y~4))), 15520#(<= 6360 (+ ULTIMATE.start_main_~x~4 (* 4 ULTIMATE.start_main_~y~4))), 15521#(<= 6372 (+ ULTIMATE.start_main_~x~4 (* 3 ULTIMATE.start_main_~y~4))), 15522#(<= 6380 (+ ULTIMATE.start_main_~x~4 (* 2 ULTIMATE.start_main_~y~4))), 15523#(<= 6384 (+ ULTIMATE.start_main_~x~4 ULTIMATE.start_main_~y~4)), 15524#(<= 1 ULTIMATE.start___VERIFIER_assert_~cond), 15466#true, 15467#false, 15468#(<= 224 (+ ULTIMATE.start_main_~x~4 (* 56 ULTIMATE.start_main_~y~4))), 15469#(<= 444 (+ ULTIMATE.start_main_~x~4 (* 55 ULTIMATE.start_main_~y~4))), 15470#(<= 660 (+ ULTIMATE.start_main_~x~4 (* 54 ULTIMATE.start_main_~y~4))), 15471#(<= 872 (+ ULTIMATE.start_main_~x~4 (* 53 ULTIMATE.start_main_~y~4))), 15472#(<= 1080 (+ ULTIMATE.start_main_~x~4 (* 52 ULTIMATE.start_main_~y~4))), 15473#(<= 1284 (+ ULTIMATE.start_main_~x~4 (* 51 ULTIMATE.start_main_~y~4))), 15474#(<= 1484 (+ ULTIMATE.start_main_~x~4 (* 50 ULTIMATE.start_main_~y~4))), 15475#(<= 1680 (+ ULTIMATE.start_main_~x~4 (* 49 ULTIMATE.start_main_~y~4))), 15476#(<= 1872 (+ ULTIMATE.start_main_~x~4 (* 48 ULTIMATE.start_main_~y~4))), 15477#(<= 2060 (+ ULTIMATE.start_main_~x~4 (* 47 ULTIMATE.start_main_~y~4))), 15478#(<= 2244 (+ ULTIMATE.start_main_~x~4 (* 46 ULTIMATE.start_main_~y~4))), 15479#(<= 2424 (+ ULTIMATE.start_main_~x~4 (* 45 ULTIMATE.start_main_~y~4))), 15480#(<= 2600 (+ ULTIMATE.start_main_~x~4 (* 44 ULTIMATE.start_main_~y~4))), 15481#(<= 2772 (+ ULTIMATE.start_main_~x~4 (* 43 ULTIMATE.start_main_~y~4))), 15482#(<= 2940 (+ ULTIMATE.start_main_~x~4 (* 42 ULTIMATE.start_main_~y~4))), 15483#(<= 3104 (+ ULTIMATE.start_main_~x~4 (* 41 ULTIMATE.start_main_~y~4))), 15484#(<= 3264 (+ ULTIMATE.start_main_~x~4 (* 40 ULTIMATE.start_main_~y~4))), 15485#(<= 3420 (+ ULTIMATE.start_main_~x~4 (* 39 ULTIMATE.start_main_~y~4))), 15486#(<= 3572 (+ ULTIMATE.start_main_~x~4 (* 38 ULTIMATE.start_main_~y~4))), 15487#(<= 3720 (+ ULTIMATE.start_main_~x~4 (* 37 ULTIMATE.start_main_~y~4)))] [2018-07-23 13:41:37,065 INFO L134 CoverageAnalysis]: Checked inductivity of 3080 backedges. 0 proven. 3080 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-07-23 13:41:37,066 INFO L450 AbstractCegarLoop]: Interpolant automaton has 59 states [2018-07-23 13:41:37,066 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 59 interpolants. [2018-07-23 13:41:37,066 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=115, Invalid=3307, Unknown=0, NotChecked=0, Total=3422 [2018-07-23 13:41:37,066 INFO L87 Difference]: Start difference. First operand 115 states and 115 transitions. Second operand 59 states. [2018-07-23 13:41:37,691 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-07-23 13:41:37,691 INFO L93 Difference]: Finished difference Result 120 states and 120 transitions. [2018-07-23 13:41:37,692 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 59 states. [2018-07-23 13:41:37,692 INFO L78 Accepts]: Start accepts. Automaton has 59 states. Word has length 114 [2018-07-23 13:41:37,692 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-07-23 13:41:37,693 INFO L225 Difference]: With dead ends: 120 [2018-07-23 13:41:37,693 INFO L226 Difference]: Without dead ends: 118 [2018-07-23 13:41:37,693 INFO L575 BasicCegarLoop]: 0 DeclaredPredicates, 58 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 57 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=115, Invalid=3307, Unknown=0, NotChecked=0, Total=3422 [2018-07-23 13:41:37,693 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 118 states. [2018-07-23 13:41:37,719 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 118 to 117. [2018-07-23 13:41:37,719 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 117 states. [2018-07-23 13:41:37,720 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 117 states to 117 states and 117 transitions. [2018-07-23 13:41:37,720 INFO L78 Accepts]: Start accepts. Automaton has 117 states and 117 transitions. Word has length 114 [2018-07-23 13:41:37,720 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-07-23 13:41:37,720 INFO L471 AbstractCegarLoop]: Abstraction has 117 states and 117 transitions. [2018-07-23 13:41:37,720 INFO L472 AbstractCegarLoop]: Interpolant automaton has 59 states. [2018-07-23 13:41:37,720 INFO L276 IsEmpty]: Start isEmpty. Operand 117 states and 117 transitions. [2018-07-23 13:41:37,721 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 117 [2018-07-23 13:41:37,721 INFO L349 BasicCegarLoop]: Found error trace [2018-07-23 13:41:37,721 INFO L357 BasicCegarLoop]: trace histogram [57, 56, 1, 1, 1] [2018-07-23 13:41:37,722 INFO L414 AbstractCegarLoop]: === Iteration 57 === [ULTIMATE.startErr0AssertViolationASSERT]=== [2018-07-23 13:41:37,722 INFO L82 PathProgramCache]: Analyzing trace with hash -701520949, now seen corresponding path program 56 times [2018-07-23 13:41:37,722 INFO L69 tionRefinementEngine]: Using refinement strategy FixedRefinementStrategy [2018-07-23 13:41:37,779 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-07-23 13:41:38,149 INFO L134 CoverageAnalysis]: Checked inductivity of 3192 backedges. 0 proven. 3192 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-07-23 13:41:38,149 INFO L309 seRefinementStrategy]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2018-07-23 13:41:38,149 INFO L324 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [59] total 59 [2018-07-23 13:41:38,150 INFO L142 lantAutomatonBuilder]: Constructing canonical interpolant automaton, with selfloop in false state [2018-07-23 13:41:38,150 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 13:41:38,150 INFO L185 omatonBuilderFactory]: Interpolants [16000#false, 16001#(<= 228 (+ ULTIMATE.start_main_~x~4 (* 57 ULTIMATE.start_main_~y~4))), 16002#(<= 452 (+ ULTIMATE.start_main_~x~4 (* 56 ULTIMATE.start_main_~y~4))), 16003#(<= 672 (+ ULTIMATE.start_main_~x~4 (* 55 ULTIMATE.start_main_~y~4))), 16004#(<= 888 (+ ULTIMATE.start_main_~x~4 (* 54 ULTIMATE.start_main_~y~4))), 16005#(<= 1100 (+ ULTIMATE.start_main_~x~4 (* 53 ULTIMATE.start_main_~y~4))), 16006#(<= 1308 (+ ULTIMATE.start_main_~x~4 (* 52 ULTIMATE.start_main_~y~4))), 16007#(<= 1512 (+ ULTIMATE.start_main_~x~4 (* 51 ULTIMATE.start_main_~y~4))), 16008#(<= 1712 (+ ULTIMATE.start_main_~x~4 (* 50 ULTIMATE.start_main_~y~4))), 16009#(<= 1908 (+ ULTIMATE.start_main_~x~4 (* 49 ULTIMATE.start_main_~y~4))), 16010#(<= 2100 (+ ULTIMATE.start_main_~x~4 (* 48 ULTIMATE.start_main_~y~4))), 16011#(<= 2288 (+ ULTIMATE.start_main_~x~4 (* 47 ULTIMATE.start_main_~y~4))), 16012#(<= 2472 (+ ULTIMATE.start_main_~x~4 (* 46 ULTIMATE.start_main_~y~4))), 16013#(<= 2652 (+ ULTIMATE.start_main_~x~4 (* 45 ULTIMATE.start_main_~y~4))), 16014#(<= 2828 (+ ULTIMATE.start_main_~x~4 (* 44 ULTIMATE.start_main_~y~4))), 16015#(<= 3000 (+ ULTIMATE.start_main_~x~4 (* 43 ULTIMATE.start_main_~y~4))), 16016#(<= 3168 (+ ULTIMATE.start_main_~x~4 (* 42 ULTIMATE.start_main_~y~4))), 16017#(<= 3332 (+ ULTIMATE.start_main_~x~4 (* 41 ULTIMATE.start_main_~y~4))), 16018#(<= 3492 (+ ULTIMATE.start_main_~x~4 (* 40 ULTIMATE.start_main_~y~4))), 16019#(<= 3648 (+ ULTIMATE.start_main_~x~4 (* 39 ULTIMATE.start_main_~y~4))), 16020#(<= 3800 (+ ULTIMATE.start_main_~x~4 (* 38 ULTIMATE.start_main_~y~4))), 16021#(<= 3948 (+ ULTIMATE.start_main_~x~4 (* 37 ULTIMATE.start_main_~y~4))), 16022#(<= 4092 (+ ULTIMATE.start_main_~x~4 (* 36 ULTIMATE.start_main_~y~4))), 16023#(<= 4232 (+ ULTIMATE.start_main_~x~4 (* 35 ULTIMATE.start_main_~y~4))), 16024#(<= 4368 (+ ULTIMATE.start_main_~x~4 (* 34 ULTIMATE.start_main_~y~4))), 16025#(<= 4500 (+ ULTIMATE.start_main_~x~4 (* 33 ULTIMATE.start_main_~y~4))), 16026#(<= 4628 (+ ULTIMATE.start_main_~x~4 (* 32 ULTIMATE.start_main_~y~4))), 16027#(<= 4752 (+ ULTIMATE.start_main_~x~4 (* 31 ULTIMATE.start_main_~y~4))), 16028#(<= 4872 (+ ULTIMATE.start_main_~x~4 (* 30 ULTIMATE.start_main_~y~4))), 16029#(<= 4988 (+ ULTIMATE.start_main_~x~4 (* 29 ULTIMATE.start_main_~y~4))), 16030#(<= 5100 (+ ULTIMATE.start_main_~x~4 (* 28 ULTIMATE.start_main_~y~4))), 16031#(<= 5208 (+ ULTIMATE.start_main_~x~4 (* 27 ULTIMATE.start_main_~y~4))), 16032#(<= 5312 (+ ULTIMATE.start_main_~x~4 (* 26 ULTIMATE.start_main_~y~4))), 16033#(<= 5412 (+ ULTIMATE.start_main_~x~4 (* 25 ULTIMATE.start_main_~y~4))), 16034#(<= 5508 (+ ULTIMATE.start_main_~x~4 (* 24 ULTIMATE.start_main_~y~4))), 16035#(<= 5600 (+ ULTIMATE.start_main_~x~4 (* 23 ULTIMATE.start_main_~y~4))), 16036#(<= 5688 (+ ULTIMATE.start_main_~x~4 (* 22 ULTIMATE.start_main_~y~4))), 16037#(<= 5772 (+ ULTIMATE.start_main_~x~4 (* 21 ULTIMATE.start_main_~y~4))), 16038#(<= 5852 (+ ULTIMATE.start_main_~x~4 (* 20 ULTIMATE.start_main_~y~4))), 16039#(<= 5928 (+ ULTIMATE.start_main_~x~4 (* 19 ULTIMATE.start_main_~y~4))), 16040#(<= 6000 (+ ULTIMATE.start_main_~x~4 (* 18 ULTIMATE.start_main_~y~4))), 16041#(<= 6068 (+ ULTIMATE.start_main_~x~4 (* 17 ULTIMATE.start_main_~y~4))), 16042#(<= 6132 (+ ULTIMATE.start_main_~x~4 (* 16 ULTIMATE.start_main_~y~4))), 16043#(<= 6192 (+ ULTIMATE.start_main_~x~4 (* 15 ULTIMATE.start_main_~y~4))), 16044#(<= 6248 (+ ULTIMATE.start_main_~x~4 (* 14 ULTIMATE.start_main_~y~4))), 16045#(<= 6300 (+ ULTIMATE.start_main_~x~4 (* 13 ULTIMATE.start_main_~y~4))), 16046#(<= 6348 (+ ULTIMATE.start_main_~x~4 (* 12 ULTIMATE.start_main_~y~4))), 16047#(<= 6392 (+ ULTIMATE.start_main_~x~4 (* 11 ULTIMATE.start_main_~y~4))), 16048#(<= 6432 (+ ULTIMATE.start_main_~x~4 (* 10 ULTIMATE.start_main_~y~4))), 16049#(<= 6468 (+ ULTIMATE.start_main_~x~4 (* 9 ULTIMATE.start_main_~y~4))), 16050#(<= 6500 (+ ULTIMATE.start_main_~x~4 (* 8 ULTIMATE.start_main_~y~4))), 16051#(<= 6528 (+ ULTIMATE.start_main_~x~4 (* 7 ULTIMATE.start_main_~y~4))), 16052#(<= 6552 (+ ULTIMATE.start_main_~x~4 (* 6 ULTIMATE.start_main_~y~4))), 16053#(<= 6572 (+ ULTIMATE.start_main_~x~4 (* 5 ULTIMATE.start_main_~y~4))), 16054#(<= 6588 (+ ULTIMATE.start_main_~x~4 (* 4 ULTIMATE.start_main_~y~4))), 16055#(<= 6600 (+ ULTIMATE.start_main_~x~4 (* 3 ULTIMATE.start_main_~y~4))), 16056#(<= 6608 (+ ULTIMATE.start_main_~x~4 (* 2 ULTIMATE.start_main_~y~4))), 16057#(<= 6612 (+ ULTIMATE.start_main_~x~4 ULTIMATE.start_main_~y~4)), 16058#(<= 1 ULTIMATE.start___VERIFIER_assert_~cond), 15999#true] [2018-07-23 13:41:38,151 INFO L134 CoverageAnalysis]: Checked inductivity of 3192 backedges. 0 proven. 3192 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-07-23 13:41:38,151 INFO L450 AbstractCegarLoop]: Interpolant automaton has 60 states [2018-07-23 13:41:38,151 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 60 interpolants. [2018-07-23 13:41:38,151 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=117, Invalid=3423, Unknown=0, NotChecked=0, Total=3540 [2018-07-23 13:41:38,151 INFO L87 Difference]: Start difference. First operand 117 states and 117 transitions. Second operand 60 states. [2018-07-23 13:41:38,766 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-07-23 13:41:38,766 INFO L93 Difference]: Finished difference Result 122 states and 122 transitions. [2018-07-23 13:41:38,766 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 60 states. [2018-07-23 13:41:38,767 INFO L78 Accepts]: Start accepts. Automaton has 60 states. Word has length 116 [2018-07-23 13:41:38,767 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-07-23 13:41:38,767 INFO L225 Difference]: With dead ends: 122 [2018-07-23 13:41:38,768 INFO L226 Difference]: Without dead ends: 120 [2018-07-23 13:41:38,768 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 13:41:38,768 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 120 states. [2018-07-23 13:41:38,794 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 120 to 119. [2018-07-23 13:41:38,795 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 119 states. [2018-07-23 13:41:38,795 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 119 states to 119 states and 119 transitions. [2018-07-23 13:41:38,795 INFO L78 Accepts]: Start accepts. Automaton has 119 states and 119 transitions. Word has length 116 [2018-07-23 13:41:38,795 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-07-23 13:41:38,795 INFO L471 AbstractCegarLoop]: Abstraction has 119 states and 119 transitions. [2018-07-23 13:41:38,796 INFO L472 AbstractCegarLoop]: Interpolant automaton has 60 states. [2018-07-23 13:41:38,796 INFO L276 IsEmpty]: Start isEmpty. Operand 119 states and 119 transitions. [2018-07-23 13:41:38,796 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 119 [2018-07-23 13:41:38,796 INFO L349 BasicCegarLoop]: Found error trace [2018-07-23 13:41:38,796 INFO L357 BasicCegarLoop]: trace histogram [58, 57, 1, 1, 1] [2018-07-23 13:41:38,796 INFO L414 AbstractCegarLoop]: === Iteration 58 === [ULTIMATE.startErr0AssertViolationASSERT]=== [2018-07-23 13:41:38,797 INFO L82 PathProgramCache]: Analyzing trace with hash 148180181, now seen corresponding path program 57 times [2018-07-23 13:41:38,797 INFO L69 tionRefinementEngine]: Using refinement strategy FixedRefinementStrategy [2018-07-23 13:41:38,851 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-07-23 13:41:39,152 INFO L134 CoverageAnalysis]: Checked inductivity of 3306 backedges. 0 proven. 3306 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-07-23 13:41:39,153 INFO L309 seRefinementStrategy]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2018-07-23 13:41:39,153 INFO L324 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [60] total 60 [2018-07-23 13:41:39,153 INFO L142 lantAutomatonBuilder]: Constructing canonical interpolant automaton, with selfloop in false state [2018-07-23 13:41:39,153 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-07-23 13:41:39,153 INFO L185 omatonBuilderFactory]: Interpolants [16541#true, 16542#false, 16543#(<= 232 (+ ULTIMATE.start_main_~x~4 (* 58 ULTIMATE.start_main_~y~4))), 16544#(<= 460 (+ ULTIMATE.start_main_~x~4 (* 57 ULTIMATE.start_main_~y~4))), 16545#(<= 684 (+ ULTIMATE.start_main_~x~4 (* 56 ULTIMATE.start_main_~y~4))), 16546#(<= 904 (+ ULTIMATE.start_main_~x~4 (* 55 ULTIMATE.start_main_~y~4))), 16547#(<= 1120 (+ ULTIMATE.start_main_~x~4 (* 54 ULTIMATE.start_main_~y~4))), 16548#(<= 1332 (+ ULTIMATE.start_main_~x~4 (* 53 ULTIMATE.start_main_~y~4))), 16549#(<= 1540 (+ ULTIMATE.start_main_~x~4 (* 52 ULTIMATE.start_main_~y~4))), 16550#(<= 1744 (+ ULTIMATE.start_main_~x~4 (* 51 ULTIMATE.start_main_~y~4))), 16551#(<= 1944 (+ ULTIMATE.start_main_~x~4 (* 50 ULTIMATE.start_main_~y~4))), 16552#(<= 2140 (+ ULTIMATE.start_main_~x~4 (* 49 ULTIMATE.start_main_~y~4))), 16553#(<= 2332 (+ ULTIMATE.start_main_~x~4 (* 48 ULTIMATE.start_main_~y~4))), 16554#(<= 2520 (+ ULTIMATE.start_main_~x~4 (* 47 ULTIMATE.start_main_~y~4))), 16555#(<= 2704 (+ ULTIMATE.start_main_~x~4 (* 46 ULTIMATE.start_main_~y~4))), 16556#(<= 2884 (+ ULTIMATE.start_main_~x~4 (* 45 ULTIMATE.start_main_~y~4))), 16557#(<= 3060 (+ ULTIMATE.start_main_~x~4 (* 44 ULTIMATE.start_main_~y~4))), 16558#(<= 3232 (+ ULTIMATE.start_main_~x~4 (* 43 ULTIMATE.start_main_~y~4))), 16559#(<= 3400 (+ ULTIMATE.start_main_~x~4 (* 42 ULTIMATE.start_main_~y~4))), 16560#(<= 3564 (+ ULTIMATE.start_main_~x~4 (* 41 ULTIMATE.start_main_~y~4))), 16561#(<= 3724 (+ ULTIMATE.start_main_~x~4 (* 40 ULTIMATE.start_main_~y~4))), 16562#(<= 3880 (+ ULTIMATE.start_main_~x~4 (* 39 ULTIMATE.start_main_~y~4))), 16563#(<= 4032 (+ ULTIMATE.start_main_~x~4 (* 38 ULTIMATE.start_main_~y~4))), 16564#(<= 4180 (+ ULTIMATE.start_main_~x~4 (* 37 ULTIMATE.start_main_~y~4))), 16565#(<= 4324 (+ ULTIMATE.start_main_~x~4 (* 36 ULTIMATE.start_main_~y~4))), 16566#(<= 4464 (+ ULTIMATE.start_main_~x~4 (* 35 ULTIMATE.start_main_~y~4))), 16567#(<= 4600 (+ ULTIMATE.start_main_~x~4 (* 34 ULTIMATE.start_main_~y~4))), 16568#(<= 4732 (+ ULTIMATE.start_main_~x~4 (* 33 ULTIMATE.start_main_~y~4))), 16569#(<= 4860 (+ ULTIMATE.start_main_~x~4 (* 32 ULTIMATE.start_main_~y~4))), 16570#(<= 4984 (+ ULTIMATE.start_main_~x~4 (* 31 ULTIMATE.start_main_~y~4))), 16571#(<= 5104 (+ ULTIMATE.start_main_~x~4 (* 30 ULTIMATE.start_main_~y~4))), 16572#(<= 5220 (+ ULTIMATE.start_main_~x~4 (* 29 ULTIMATE.start_main_~y~4))), 16573#(<= 5332 (+ ULTIMATE.start_main_~x~4 (* 28 ULTIMATE.start_main_~y~4))), 16574#(<= 5440 (+ ULTIMATE.start_main_~x~4 (* 27 ULTIMATE.start_main_~y~4))), 16575#(<= 5544 (+ ULTIMATE.start_main_~x~4 (* 26 ULTIMATE.start_main_~y~4))), 16576#(<= 5644 (+ ULTIMATE.start_main_~x~4 (* 25 ULTIMATE.start_main_~y~4))), 16577#(<= 5740 (+ ULTIMATE.start_main_~x~4 (* 24 ULTIMATE.start_main_~y~4))), 16578#(<= 5832 (+ ULTIMATE.start_main_~x~4 (* 23 ULTIMATE.start_main_~y~4))), 16579#(<= 5920 (+ ULTIMATE.start_main_~x~4 (* 22 ULTIMATE.start_main_~y~4))), 16580#(<= 6004 (+ ULTIMATE.start_main_~x~4 (* 21 ULTIMATE.start_main_~y~4))), 16581#(<= 6084 (+ ULTIMATE.start_main_~x~4 (* 20 ULTIMATE.start_main_~y~4))), 16582#(<= 6160 (+ ULTIMATE.start_main_~x~4 (* 19 ULTIMATE.start_main_~y~4))), 16583#(<= 6232 (+ ULTIMATE.start_main_~x~4 (* 18 ULTIMATE.start_main_~y~4))), 16584#(<= 6300 (+ ULTIMATE.start_main_~x~4 (* 17 ULTIMATE.start_main_~y~4))), 16585#(<= 6364 (+ ULTIMATE.start_main_~x~4 (* 16 ULTIMATE.start_main_~y~4))), 16586#(<= 6424 (+ ULTIMATE.start_main_~x~4 (* 15 ULTIMATE.start_main_~y~4))), 16587#(<= 6480 (+ ULTIMATE.start_main_~x~4 (* 14 ULTIMATE.start_main_~y~4))), 16588#(<= 6532 (+ ULTIMATE.start_main_~x~4 (* 13 ULTIMATE.start_main_~y~4))), 16589#(<= 6580 (+ ULTIMATE.start_main_~x~4 (* 12 ULTIMATE.start_main_~y~4))), 16590#(<= 6624 (+ ULTIMATE.start_main_~x~4 (* 11 ULTIMATE.start_main_~y~4))), 16591#(<= 6664 (+ ULTIMATE.start_main_~x~4 (* 10 ULTIMATE.start_main_~y~4))), 16592#(<= 6700 (+ ULTIMATE.start_main_~x~4 (* 9 ULTIMATE.start_main_~y~4))), 16593#(<= 6732 (+ ULTIMATE.start_main_~x~4 (* 8 ULTIMATE.start_main_~y~4))), 16594#(<= 6760 (+ ULTIMATE.start_main_~x~4 (* 7 ULTIMATE.start_main_~y~4))), 16595#(<= 6784 (+ ULTIMATE.start_main_~x~4 (* 6 ULTIMATE.start_main_~y~4))), 16596#(<= 6804 (+ ULTIMATE.start_main_~x~4 (* 5 ULTIMATE.start_main_~y~4))), 16597#(<= 6820 (+ ULTIMATE.start_main_~x~4 (* 4 ULTIMATE.start_main_~y~4))), 16598#(<= 6832 (+ ULTIMATE.start_main_~x~4 (* 3 ULTIMATE.start_main_~y~4))), 16599#(<= 6840 (+ ULTIMATE.start_main_~x~4 (* 2 ULTIMATE.start_main_~y~4))), 16600#(<= 6844 (+ ULTIMATE.start_main_~x~4 ULTIMATE.start_main_~y~4)), 16601#(<= 1 ULTIMATE.start___VERIFIER_assert_~cond)] [2018-07-23 13:41:39,154 INFO L134 CoverageAnalysis]: Checked inductivity of 3306 backedges. 0 proven. 3306 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-07-23 13:41:39,154 INFO L450 AbstractCegarLoop]: Interpolant automaton has 61 states [2018-07-23 13:41:39,154 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 61 interpolants. [2018-07-23 13:41:39,155 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=119, Invalid=3541, Unknown=0, NotChecked=0, Total=3660 [2018-07-23 13:41:39,155 INFO L87 Difference]: Start difference. First operand 119 states and 119 transitions. Second operand 61 states. [2018-07-23 13:41:39,774 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-07-23 13:41:39,774 INFO L93 Difference]: Finished difference Result 124 states and 124 transitions. [2018-07-23 13:41:39,774 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 61 states. [2018-07-23 13:41:39,775 INFO L78 Accepts]: Start accepts. Automaton has 61 states. Word has length 118 [2018-07-23 13:41:39,775 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-07-23 13:41:39,775 INFO L225 Difference]: With dead ends: 124 [2018-07-23 13:41:39,776 INFO L226 Difference]: Without dead ends: 122 [2018-07-23 13:41:39,776 INFO L575 BasicCegarLoop]: 0 DeclaredPredicates, 60 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 59 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=119, Invalid=3541, Unknown=0, NotChecked=0, Total=3660 [2018-07-23 13:41:39,776 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 122 states. [2018-07-23 13:41:39,803 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 122 to 121. [2018-07-23 13:41:39,803 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 121 states. [2018-07-23 13:41:39,803 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 121 states to 121 states and 121 transitions. [2018-07-23 13:41:39,804 INFO L78 Accepts]: Start accepts. Automaton has 121 states and 121 transitions. Word has length 118 [2018-07-23 13:41:39,804 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-07-23 13:41:39,804 INFO L471 AbstractCegarLoop]: Abstraction has 121 states and 121 transitions. [2018-07-23 13:41:39,804 INFO L472 AbstractCegarLoop]: Interpolant automaton has 61 states. [2018-07-23 13:41:39,804 INFO L276 IsEmpty]: Start isEmpty. Operand 121 states and 121 transitions. [2018-07-23 13:41:39,804 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 121 [2018-07-23 13:41:39,804 INFO L349 BasicCegarLoop]: Found error trace [2018-07-23 13:41:39,805 INFO L357 BasicCegarLoop]: trace histogram [59, 58, 1, 1, 1] [2018-07-23 13:41:39,805 INFO L414 AbstractCegarLoop]: === Iteration 59 === [ULTIMATE.startErr0AssertViolationASSERT]=== [2018-07-23 13:41:39,805 INFO L82 PathProgramCache]: Analyzing trace with hash 667179871, now seen corresponding path program 58 times [2018-07-23 13:41:39,805 INFO L69 tionRefinementEngine]: Using refinement strategy FixedRefinementStrategy [2018-07-23 13:41:39,860 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-07-23 13:41:40,192 INFO L134 CoverageAnalysis]: Checked inductivity of 3422 backedges. 0 proven. 3422 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-07-23 13:41:40,192 INFO L309 seRefinementStrategy]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2018-07-23 13:41:40,192 INFO L324 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [61] total 61 [2018-07-23 13:41:40,192 INFO L142 lantAutomatonBuilder]: Constructing canonical interpolant automaton, with selfloop in false state [2018-07-23 13:41:40,193 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-07-23 13:41:40,193 INFO L185 omatonBuilderFactory]: Interpolants [17152#(<= 7080 (+ ULTIMATE.start_main_~x~4 ULTIMATE.start_main_~y~4)), 17153#(<= 1 ULTIMATE.start___VERIFIER_assert_~cond), 17092#true, 17093#false, 17094#(<= 236 (+ ULTIMATE.start_main_~x~4 (* 59 ULTIMATE.start_main_~y~4))), 17095#(<= 468 (+ ULTIMATE.start_main_~x~4 (* 58 ULTIMATE.start_main_~y~4))), 17096#(<= 696 (+ ULTIMATE.start_main_~x~4 (* 57 ULTIMATE.start_main_~y~4))), 17097#(<= 920 (+ ULTIMATE.start_main_~x~4 (* 56 ULTIMATE.start_main_~y~4))), 17098#(<= 1140 (+ ULTIMATE.start_main_~x~4 (* 55 ULTIMATE.start_main_~y~4))), 17099#(<= 1356 (+ ULTIMATE.start_main_~x~4 (* 54 ULTIMATE.start_main_~y~4))), 17100#(<= 1568 (+ ULTIMATE.start_main_~x~4 (* 53 ULTIMATE.start_main_~y~4))), 17101#(<= 1776 (+ ULTIMATE.start_main_~x~4 (* 52 ULTIMATE.start_main_~y~4))), 17102#(<= 1980 (+ ULTIMATE.start_main_~x~4 (* 51 ULTIMATE.start_main_~y~4))), 17103#(<= 2180 (+ ULTIMATE.start_main_~x~4 (* 50 ULTIMATE.start_main_~y~4))), 17104#(<= 2376 (+ ULTIMATE.start_main_~x~4 (* 49 ULTIMATE.start_main_~y~4))), 17105#(<= 2568 (+ ULTIMATE.start_main_~x~4 (* 48 ULTIMATE.start_main_~y~4))), 17106#(<= 2756 (+ ULTIMATE.start_main_~x~4 (* 47 ULTIMATE.start_main_~y~4))), 17107#(<= 2940 (+ ULTIMATE.start_main_~x~4 (* 46 ULTIMATE.start_main_~y~4))), 17108#(<= 3120 (+ ULTIMATE.start_main_~x~4 (* 45 ULTIMATE.start_main_~y~4))), 17109#(<= 3296 (+ ULTIMATE.start_main_~x~4 (* 44 ULTIMATE.start_main_~y~4))), 17110#(<= 3468 (+ ULTIMATE.start_main_~x~4 (* 43 ULTIMATE.start_main_~y~4))), 17111#(<= 3636 (+ ULTIMATE.start_main_~x~4 (* 42 ULTIMATE.start_main_~y~4))), 17112#(<= 3800 (+ ULTIMATE.start_main_~x~4 (* 41 ULTIMATE.start_main_~y~4))), 17113#(<= 3960 (+ ULTIMATE.start_main_~x~4 (* 40 ULTIMATE.start_main_~y~4))), 17114#(<= 4116 (+ ULTIMATE.start_main_~x~4 (* 39 ULTIMATE.start_main_~y~4))), 17115#(<= 4268 (+ ULTIMATE.start_main_~x~4 (* 38 ULTIMATE.start_main_~y~4))), 17116#(<= 4416 (+ ULTIMATE.start_main_~x~4 (* 37 ULTIMATE.start_main_~y~4))), 17117#(<= 4560 (+ ULTIMATE.start_main_~x~4 (* 36 ULTIMATE.start_main_~y~4))), 17118#(<= 4700 (+ ULTIMATE.start_main_~x~4 (* 35 ULTIMATE.start_main_~y~4))), 17119#(<= 4836 (+ ULTIMATE.start_main_~x~4 (* 34 ULTIMATE.start_main_~y~4))), 17120#(<= 4968 (+ ULTIMATE.start_main_~x~4 (* 33 ULTIMATE.start_main_~y~4))), 17121#(<= 5096 (+ ULTIMATE.start_main_~x~4 (* 32 ULTIMATE.start_main_~y~4))), 17122#(<= 5220 (+ ULTIMATE.start_main_~x~4 (* 31 ULTIMATE.start_main_~y~4))), 17123#(<= 5340 (+ ULTIMATE.start_main_~x~4 (* 30 ULTIMATE.start_main_~y~4))), 17124#(<= 5456 (+ ULTIMATE.start_main_~x~4 (* 29 ULTIMATE.start_main_~y~4))), 17125#(<= 5568 (+ ULTIMATE.start_main_~x~4 (* 28 ULTIMATE.start_main_~y~4))), 17126#(<= 5676 (+ ULTIMATE.start_main_~x~4 (* 27 ULTIMATE.start_main_~y~4))), 17127#(<= 5780 (+ ULTIMATE.start_main_~x~4 (* 26 ULTIMATE.start_main_~y~4))), 17128#(<= 5880 (+ ULTIMATE.start_main_~x~4 (* 25 ULTIMATE.start_main_~y~4))), 17129#(<= 5976 (+ ULTIMATE.start_main_~x~4 (* 24 ULTIMATE.start_main_~y~4))), 17130#(<= 6068 (+ ULTIMATE.start_main_~x~4 (* 23 ULTIMATE.start_main_~y~4))), 17131#(<= 6156 (+ ULTIMATE.start_main_~x~4 (* 22 ULTIMATE.start_main_~y~4))), 17132#(<= 6240 (+ ULTIMATE.start_main_~x~4 (* 21 ULTIMATE.start_main_~y~4))), 17133#(<= 6320 (+ ULTIMATE.start_main_~x~4 (* 20 ULTIMATE.start_main_~y~4))), 17134#(<= 6396 (+ ULTIMATE.start_main_~x~4 (* 19 ULTIMATE.start_main_~y~4))), 17135#(<= 6468 (+ ULTIMATE.start_main_~x~4 (* 18 ULTIMATE.start_main_~y~4))), 17136#(<= 6536 (+ ULTIMATE.start_main_~x~4 (* 17 ULTIMATE.start_main_~y~4))), 17137#(<= 6600 (+ ULTIMATE.start_main_~x~4 (* 16 ULTIMATE.start_main_~y~4))), 17138#(<= 6660 (+ ULTIMATE.start_main_~x~4 (* 15 ULTIMATE.start_main_~y~4))), 17139#(<= 6716 (+ ULTIMATE.start_main_~x~4 (* 14 ULTIMATE.start_main_~y~4))), 17140#(<= 6768 (+ ULTIMATE.start_main_~x~4 (* 13 ULTIMATE.start_main_~y~4))), 17141#(<= 6816 (+ ULTIMATE.start_main_~x~4 (* 12 ULTIMATE.start_main_~y~4))), 17142#(<= 6860 (+ ULTIMATE.start_main_~x~4 (* 11 ULTIMATE.start_main_~y~4))), 17143#(<= 6900 (+ ULTIMATE.start_main_~x~4 (* 10 ULTIMATE.start_main_~y~4))), 17144#(<= 6936 (+ ULTIMATE.start_main_~x~4 (* 9 ULTIMATE.start_main_~y~4))), 17145#(<= 6968 (+ ULTIMATE.start_main_~x~4 (* 8 ULTIMATE.start_main_~y~4))), 17146#(<= 6996 (+ ULTIMATE.start_main_~x~4 (* 7 ULTIMATE.start_main_~y~4))), 17147#(<= 7020 (+ ULTIMATE.start_main_~x~4 (* 6 ULTIMATE.start_main_~y~4))), 17148#(<= 7040 (+ ULTIMATE.start_main_~x~4 (* 5 ULTIMATE.start_main_~y~4))), 17149#(<= 7056 (+ ULTIMATE.start_main_~x~4 (* 4 ULTIMATE.start_main_~y~4))), 17150#(<= 7068 (+ ULTIMATE.start_main_~x~4 (* 3 ULTIMATE.start_main_~y~4))), 17151#(<= 7076 (+ ULTIMATE.start_main_~x~4 (* 2 ULTIMATE.start_main_~y~4)))] [2018-07-23 13:41:40,193 INFO L134 CoverageAnalysis]: Checked inductivity of 3422 backedges. 0 proven. 3422 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-07-23 13:41:40,193 INFO L450 AbstractCegarLoop]: Interpolant automaton has 62 states [2018-07-23 13:41:40,194 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 62 interpolants. [2018-07-23 13:41:40,194 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=121, Invalid=3661, Unknown=0, NotChecked=0, Total=3782 [2018-07-23 13:41:40,194 INFO L87 Difference]: Start difference. First operand 121 states and 121 transitions. Second operand 62 states. [2018-07-23 13:41:40,768 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-07-23 13:41:40,768 INFO L93 Difference]: Finished difference Result 126 states and 126 transitions. [2018-07-23 13:41:40,768 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 62 states. [2018-07-23 13:41:40,768 INFO L78 Accepts]: Start accepts. Automaton has 62 states. Word has length 120 [2018-07-23 13:41:40,769 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-07-23 13:41:40,769 INFO L225 Difference]: With dead ends: 126 [2018-07-23 13:41:40,769 INFO L226 Difference]: Without dead ends: 124 [2018-07-23 13:41:40,770 INFO L575 BasicCegarLoop]: 0 DeclaredPredicates, 61 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 60 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=121, Invalid=3661, Unknown=0, NotChecked=0, Total=3782 [2018-07-23 13:41:40,770 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 124 states. [2018-07-23 13:41:40,797 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 124 to 123. [2018-07-23 13:41:40,797 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 123 states. [2018-07-23 13:41:40,797 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 123 states to 123 states and 123 transitions. [2018-07-23 13:41:40,798 INFO L78 Accepts]: Start accepts. Automaton has 123 states and 123 transitions. Word has length 120 [2018-07-23 13:41:40,798 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-07-23 13:41:40,798 INFO L471 AbstractCegarLoop]: Abstraction has 123 states and 123 transitions. [2018-07-23 13:41:40,798 INFO L472 AbstractCegarLoop]: Interpolant automaton has 62 states. [2018-07-23 13:41:40,798 INFO L276 IsEmpty]: Start isEmpty. Operand 123 states and 123 transitions. [2018-07-23 13:41:40,799 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 123 [2018-07-23 13:41:40,799 INFO L349 BasicCegarLoop]: Found error trace [2018-07-23 13:41:40,799 INFO L357 BasicCegarLoop]: trace histogram [60, 59, 1, 1, 1] [2018-07-23 13:41:40,799 INFO L414 AbstractCegarLoop]: === Iteration 60 === [ULTIMATE.startErr0AssertViolationASSERT]=== [2018-07-23 13:41:40,799 INFO L82 PathProgramCache]: Analyzing trace with hash 1209675625, now seen corresponding path program 59 times [2018-07-23 13:41:40,799 INFO L69 tionRefinementEngine]: Using refinement strategy FixedRefinementStrategy [2018-07-23 13:41:40,857 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-07-23 13:41:41,196 INFO L134 CoverageAnalysis]: Checked inductivity of 3540 backedges. 0 proven. 3540 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-07-23 13:41:41,197 INFO L309 seRefinementStrategy]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2018-07-23 13:41:41,197 INFO L324 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [62] total 62 [2018-07-23 13:41:41,197 INFO L142 lantAutomatonBuilder]: Constructing canonical interpolant automaton, with selfloop in false state [2018-07-23 13:41:41,197 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-07-23 13:41:41,198 INFO L185 omatonBuilderFactory]: Interpolants [17664#(<= 2420 (+ ULTIMATE.start_main_~x~4 (* 50 ULTIMATE.start_main_~y~4))), 17665#(<= 2616 (+ ULTIMATE.start_main_~x~4 (* 49 ULTIMATE.start_main_~y~4))), 17666#(<= 2808 (+ ULTIMATE.start_main_~x~4 (* 48 ULTIMATE.start_main_~y~4))), 17667#(<= 2996 (+ ULTIMATE.start_main_~x~4 (* 47 ULTIMATE.start_main_~y~4))), 17668#(<= 3180 (+ ULTIMATE.start_main_~x~4 (* 46 ULTIMATE.start_main_~y~4))), 17669#(<= 3360 (+ ULTIMATE.start_main_~x~4 (* 45 ULTIMATE.start_main_~y~4))), 17670#(<= 3536 (+ ULTIMATE.start_main_~x~4 (* 44 ULTIMATE.start_main_~y~4))), 17671#(<= 3708 (+ ULTIMATE.start_main_~x~4 (* 43 ULTIMATE.start_main_~y~4))), 17672#(<= 3876 (+ ULTIMATE.start_main_~x~4 (* 42 ULTIMATE.start_main_~y~4))), 17673#(<= 4040 (+ ULTIMATE.start_main_~x~4 (* 41 ULTIMATE.start_main_~y~4))), 17674#(<= 4200 (+ ULTIMATE.start_main_~x~4 (* 40 ULTIMATE.start_main_~y~4))), 17675#(<= 4356 (+ ULTIMATE.start_main_~x~4 (* 39 ULTIMATE.start_main_~y~4))), 17676#(<= 4508 (+ ULTIMATE.start_main_~x~4 (* 38 ULTIMATE.start_main_~y~4))), 17677#(<= 4656 (+ ULTIMATE.start_main_~x~4 (* 37 ULTIMATE.start_main_~y~4))), 17678#(<= 4800 (+ ULTIMATE.start_main_~x~4 (* 36 ULTIMATE.start_main_~y~4))), 17679#(<= 4940 (+ ULTIMATE.start_main_~x~4 (* 35 ULTIMATE.start_main_~y~4))), 17680#(<= 5076 (+ ULTIMATE.start_main_~x~4 (* 34 ULTIMATE.start_main_~y~4))), 17681#(<= 5208 (+ ULTIMATE.start_main_~x~4 (* 33 ULTIMATE.start_main_~y~4))), 17682#(<= 5336 (+ ULTIMATE.start_main_~x~4 (* 32 ULTIMATE.start_main_~y~4))), 17683#(<= 5460 (+ ULTIMATE.start_main_~x~4 (* 31 ULTIMATE.start_main_~y~4))), 17684#(<= 5580 (+ ULTIMATE.start_main_~x~4 (* 30 ULTIMATE.start_main_~y~4))), 17685#(<= 5696 (+ ULTIMATE.start_main_~x~4 (* 29 ULTIMATE.start_main_~y~4))), 17686#(<= 5808 (+ ULTIMATE.start_main_~x~4 (* 28 ULTIMATE.start_main_~y~4))), 17687#(<= 5916 (+ ULTIMATE.start_main_~x~4 (* 27 ULTIMATE.start_main_~y~4))), 17688#(<= 6020 (+ ULTIMATE.start_main_~x~4 (* 26 ULTIMATE.start_main_~y~4))), 17689#(<= 6120 (+ ULTIMATE.start_main_~x~4 (* 25 ULTIMATE.start_main_~y~4))), 17690#(<= 6216 (+ ULTIMATE.start_main_~x~4 (* 24 ULTIMATE.start_main_~y~4))), 17691#(<= 6308 (+ ULTIMATE.start_main_~x~4 (* 23 ULTIMATE.start_main_~y~4))), 17692#(<= 6396 (+ ULTIMATE.start_main_~x~4 (* 22 ULTIMATE.start_main_~y~4))), 17693#(<= 6480 (+ ULTIMATE.start_main_~x~4 (* 21 ULTIMATE.start_main_~y~4))), 17694#(<= 6560 (+ ULTIMATE.start_main_~x~4 (* 20 ULTIMATE.start_main_~y~4))), 17695#(<= 6636 (+ ULTIMATE.start_main_~x~4 (* 19 ULTIMATE.start_main_~y~4))), 17696#(<= 6708 (+ ULTIMATE.start_main_~x~4 (* 18 ULTIMATE.start_main_~y~4))), 17697#(<= 6776 (+ ULTIMATE.start_main_~x~4 (* 17 ULTIMATE.start_main_~y~4))), 17698#(<= 6840 (+ ULTIMATE.start_main_~x~4 (* 16 ULTIMATE.start_main_~y~4))), 17699#(<= 6900 (+ ULTIMATE.start_main_~x~4 (* 15 ULTIMATE.start_main_~y~4))), 17700#(<= 6956 (+ ULTIMATE.start_main_~x~4 (* 14 ULTIMATE.start_main_~y~4))), 17701#(<= 7008 (+ ULTIMATE.start_main_~x~4 (* 13 ULTIMATE.start_main_~y~4))), 17702#(<= 7056 (+ ULTIMATE.start_main_~x~4 (* 12 ULTIMATE.start_main_~y~4))), 17703#(<= 7100 (+ ULTIMATE.start_main_~x~4 (* 11 ULTIMATE.start_main_~y~4))), 17704#(<= 7140 (+ ULTIMATE.start_main_~x~4 (* 10 ULTIMATE.start_main_~y~4))), 17705#(<= 7176 (+ ULTIMATE.start_main_~x~4 (* 9 ULTIMATE.start_main_~y~4))), 17706#(<= 7208 (+ ULTIMATE.start_main_~x~4 (* 8 ULTIMATE.start_main_~y~4))), 17707#(<= 7236 (+ ULTIMATE.start_main_~x~4 (* 7 ULTIMATE.start_main_~y~4))), 17708#(<= 7260 (+ ULTIMATE.start_main_~x~4 (* 6 ULTIMATE.start_main_~y~4))), 17709#(<= 7280 (+ ULTIMATE.start_main_~x~4 (* 5 ULTIMATE.start_main_~y~4))), 17710#(<= 7296 (+ ULTIMATE.start_main_~x~4 (* 4 ULTIMATE.start_main_~y~4))), 17711#(<= 7308 (+ ULTIMATE.start_main_~x~4 (* 3 ULTIMATE.start_main_~y~4))), 17712#(<= 7316 (+ ULTIMATE.start_main_~x~4 (* 2 ULTIMATE.start_main_~y~4))), 17713#(<= 7320 (+ ULTIMATE.start_main_~x~4 ULTIMATE.start_main_~y~4)), 17714#(<= 1 ULTIMATE.start___VERIFIER_assert_~cond), 17652#true, 17653#false, 17654#(<= 240 (+ ULTIMATE.start_main_~x~4 (* 60 ULTIMATE.start_main_~y~4))), 17655#(<= 476 (+ ULTIMATE.start_main_~x~4 (* 59 ULTIMATE.start_main_~y~4))), 17656#(<= 708 (+ ULTIMATE.start_main_~x~4 (* 58 ULTIMATE.start_main_~y~4))), 17657#(<= 936 (+ ULTIMATE.start_main_~x~4 (* 57 ULTIMATE.start_main_~y~4))), 17658#(<= 1160 (+ ULTIMATE.start_main_~x~4 (* 56 ULTIMATE.start_main_~y~4))), 17659#(<= 1380 (+ ULTIMATE.start_main_~x~4 (* 55 ULTIMATE.start_main_~y~4))), 17660#(<= 1596 (+ ULTIMATE.start_main_~x~4 (* 54 ULTIMATE.start_main_~y~4))), 17661#(<= 1808 (+ ULTIMATE.start_main_~x~4 (* 53 ULTIMATE.start_main_~y~4))), 17662#(<= 2016 (+ ULTIMATE.start_main_~x~4 (* 52 ULTIMATE.start_main_~y~4))), 17663#(<= 2220 (+ ULTIMATE.start_main_~x~4 (* 51 ULTIMATE.start_main_~y~4)))] [2018-07-23 13:41:41,198 INFO L134 CoverageAnalysis]: Checked inductivity of 3540 backedges. 0 proven. 3540 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-07-23 13:41:41,198 INFO L450 AbstractCegarLoop]: Interpolant automaton has 63 states [2018-07-23 13:41:41,198 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 63 interpolants. [2018-07-23 13:41:41,199 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=123, Invalid=3783, Unknown=0, NotChecked=0, Total=3906 [2018-07-23 13:41:41,199 INFO L87 Difference]: Start difference. First operand 123 states and 123 transitions. Second operand 63 states. [2018-07-23 13:41:41,900 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-07-23 13:41:41,901 INFO L93 Difference]: Finished difference Result 128 states and 128 transitions. [2018-07-23 13:41:41,901 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 63 states. [2018-07-23 13:41:41,901 INFO L78 Accepts]: Start accepts. Automaton has 63 states. Word has length 122 [2018-07-23 13:41:41,901 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-07-23 13:41:41,902 INFO L225 Difference]: With dead ends: 128 [2018-07-23 13:41:41,902 INFO L226 Difference]: Without dead ends: 126 [2018-07-23 13:41:41,903 INFO L575 BasicCegarLoop]: 0 DeclaredPredicates, 62 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 61 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=123, Invalid=3783, Unknown=0, NotChecked=0, Total=3906 [2018-07-23 13:41:41,904 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 126 states. [2018-07-23 13:41:41,936 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 126 to 125. [2018-07-23 13:41:41,937 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 125 states. [2018-07-23 13:41:41,937 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 125 states to 125 states and 125 transitions. [2018-07-23 13:41:41,937 INFO L78 Accepts]: Start accepts. Automaton has 125 states and 125 transitions. Word has length 122 [2018-07-23 13:41:41,938 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-07-23 13:41:41,938 INFO L471 AbstractCegarLoop]: Abstraction has 125 states and 125 transitions. [2018-07-23 13:41:41,938 INFO L472 AbstractCegarLoop]: Interpolant automaton has 63 states. [2018-07-23 13:41:41,938 INFO L276 IsEmpty]: Start isEmpty. Operand 125 states and 125 transitions. [2018-07-23 13:41:41,939 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 125 [2018-07-23 13:41:41,939 INFO L349 BasicCegarLoop]: Found error trace [2018-07-23 13:41:41,939 INFO L357 BasicCegarLoop]: trace histogram [61, 60, 1, 1, 1] [2018-07-23 13:41:41,939 INFO L414 AbstractCegarLoop]: === Iteration 61 === [ULTIMATE.startErr0AssertViolationASSERT]=== [2018-07-23 13:41:41,940 INFO L82 PathProgramCache]: Analyzing trace with hash -1437914893, now seen corresponding path program 60 times [2018-07-23 13:41:41,940 INFO L69 tionRefinementEngine]: Using refinement strategy FixedRefinementStrategy [2018-07-23 13:41:42,005 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-07-23 13:41:42,359 INFO L134 CoverageAnalysis]: Checked inductivity of 3660 backedges. 0 proven. 3660 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-07-23 13:41:42,359 INFO L309 seRefinementStrategy]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2018-07-23 13:41:42,359 INFO L324 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [63] total 63 [2018-07-23 13:41:42,360 INFO L142 lantAutomatonBuilder]: Constructing canonical interpolant automaton, with selfloop in false state [2018-07-23 13:41:42,360 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-07-23 13:41:42,360 INFO L185 omatonBuilderFactory]: Interpolants [18221#true, 18222#false, 18223#(<= 244 (+ ULTIMATE.start_main_~x~4 (* 61 ULTIMATE.start_main_~y~4))), 18224#(<= 484 (+ ULTIMATE.start_main_~x~4 (* 60 ULTIMATE.start_main_~y~4))), 18225#(<= 720 (+ ULTIMATE.start_main_~x~4 (* 59 ULTIMATE.start_main_~y~4))), 18226#(<= 952 (+ ULTIMATE.start_main_~x~4 (* 58 ULTIMATE.start_main_~y~4))), 18227#(<= 1180 (+ ULTIMATE.start_main_~x~4 (* 57 ULTIMATE.start_main_~y~4))), 18228#(<= 1404 (+ ULTIMATE.start_main_~x~4 (* 56 ULTIMATE.start_main_~y~4))), 18229#(<= 1624 (+ ULTIMATE.start_main_~x~4 (* 55 ULTIMATE.start_main_~y~4))), 18230#(<= 1840 (+ ULTIMATE.start_main_~x~4 (* 54 ULTIMATE.start_main_~y~4))), 18231#(<= 2052 (+ ULTIMATE.start_main_~x~4 (* 53 ULTIMATE.start_main_~y~4))), 18232#(<= 2260 (+ ULTIMATE.start_main_~x~4 (* 52 ULTIMATE.start_main_~y~4))), 18233#(<= 2464 (+ ULTIMATE.start_main_~x~4 (* 51 ULTIMATE.start_main_~y~4))), 18234#(<= 2664 (+ ULTIMATE.start_main_~x~4 (* 50 ULTIMATE.start_main_~y~4))), 18235#(<= 2860 (+ ULTIMATE.start_main_~x~4 (* 49 ULTIMATE.start_main_~y~4))), 18236#(<= 3052 (+ ULTIMATE.start_main_~x~4 (* 48 ULTIMATE.start_main_~y~4))), 18237#(<= 3240 (+ ULTIMATE.start_main_~x~4 (* 47 ULTIMATE.start_main_~y~4))), 18238#(<= 3424 (+ ULTIMATE.start_main_~x~4 (* 46 ULTIMATE.start_main_~y~4))), 18239#(<= 3604 (+ ULTIMATE.start_main_~x~4 (* 45 ULTIMATE.start_main_~y~4))), 18240#(<= 3780 (+ ULTIMATE.start_main_~x~4 (* 44 ULTIMATE.start_main_~y~4))), 18241#(<= 3952 (+ ULTIMATE.start_main_~x~4 (* 43 ULTIMATE.start_main_~y~4))), 18242#(<= 4120 (+ ULTIMATE.start_main_~x~4 (* 42 ULTIMATE.start_main_~y~4))), 18243#(<= 4284 (+ ULTIMATE.start_main_~x~4 (* 41 ULTIMATE.start_main_~y~4))), 18244#(<= 4444 (+ ULTIMATE.start_main_~x~4 (* 40 ULTIMATE.start_main_~y~4))), 18245#(<= 4600 (+ ULTIMATE.start_main_~x~4 (* 39 ULTIMATE.start_main_~y~4))), 18246#(<= 4752 (+ ULTIMATE.start_main_~x~4 (* 38 ULTIMATE.start_main_~y~4))), 18247#(<= 4900 (+ ULTIMATE.start_main_~x~4 (* 37 ULTIMATE.start_main_~y~4))), 18248#(<= 5044 (+ ULTIMATE.start_main_~x~4 (* 36 ULTIMATE.start_main_~y~4))), 18249#(<= 5184 (+ ULTIMATE.start_main_~x~4 (* 35 ULTIMATE.start_main_~y~4))), 18250#(<= 5320 (+ ULTIMATE.start_main_~x~4 (* 34 ULTIMATE.start_main_~y~4))), 18251#(<= 5452 (+ ULTIMATE.start_main_~x~4 (* 33 ULTIMATE.start_main_~y~4))), 18252#(<= 5580 (+ ULTIMATE.start_main_~x~4 (* 32 ULTIMATE.start_main_~y~4))), 18253#(<= 5704 (+ ULTIMATE.start_main_~x~4 (* 31 ULTIMATE.start_main_~y~4))), 18254#(<= 5824 (+ ULTIMATE.start_main_~x~4 (* 30 ULTIMATE.start_main_~y~4))), 18255#(<= 5940 (+ ULTIMATE.start_main_~x~4 (* 29 ULTIMATE.start_main_~y~4))), 18256#(<= 6052 (+ ULTIMATE.start_main_~x~4 (* 28 ULTIMATE.start_main_~y~4))), 18257#(<= 6160 (+ ULTIMATE.start_main_~x~4 (* 27 ULTIMATE.start_main_~y~4))), 18258#(<= 6264 (+ ULTIMATE.start_main_~x~4 (* 26 ULTIMATE.start_main_~y~4))), 18259#(<= 6364 (+ ULTIMATE.start_main_~x~4 (* 25 ULTIMATE.start_main_~y~4))), 18260#(<= 6460 (+ ULTIMATE.start_main_~x~4 (* 24 ULTIMATE.start_main_~y~4))), 18261#(<= 6552 (+ ULTIMATE.start_main_~x~4 (* 23 ULTIMATE.start_main_~y~4))), 18262#(<= 6640 (+ ULTIMATE.start_main_~x~4 (* 22 ULTIMATE.start_main_~y~4))), 18263#(<= 6724 (+ ULTIMATE.start_main_~x~4 (* 21 ULTIMATE.start_main_~y~4))), 18264#(<= 6804 (+ ULTIMATE.start_main_~x~4 (* 20 ULTIMATE.start_main_~y~4))), 18265#(<= 6880 (+ ULTIMATE.start_main_~x~4 (* 19 ULTIMATE.start_main_~y~4))), 18266#(<= 6952 (+ ULTIMATE.start_main_~x~4 (* 18 ULTIMATE.start_main_~y~4))), 18267#(<= 7020 (+ ULTIMATE.start_main_~x~4 (* 17 ULTIMATE.start_main_~y~4))), 18268#(<= 7084 (+ ULTIMATE.start_main_~x~4 (* 16 ULTIMATE.start_main_~y~4))), 18269#(<= 7144 (+ ULTIMATE.start_main_~x~4 (* 15 ULTIMATE.start_main_~y~4))), 18270#(<= 7200 (+ ULTIMATE.start_main_~x~4 (* 14 ULTIMATE.start_main_~y~4))), 18271#(<= 7252 (+ ULTIMATE.start_main_~x~4 (* 13 ULTIMATE.start_main_~y~4))), 18272#(<= 7300 (+ ULTIMATE.start_main_~x~4 (* 12 ULTIMATE.start_main_~y~4))), 18273#(<= 7344 (+ ULTIMATE.start_main_~x~4 (* 11 ULTIMATE.start_main_~y~4))), 18274#(<= 7384 (+ ULTIMATE.start_main_~x~4 (* 10 ULTIMATE.start_main_~y~4))), 18275#(<= 7420 (+ ULTIMATE.start_main_~x~4 (* 9 ULTIMATE.start_main_~y~4))), 18276#(<= 7452 (+ ULTIMATE.start_main_~x~4 (* 8 ULTIMATE.start_main_~y~4))), 18277#(<= 7480 (+ ULTIMATE.start_main_~x~4 (* 7 ULTIMATE.start_main_~y~4))), 18278#(<= 7504 (+ ULTIMATE.start_main_~x~4 (* 6 ULTIMATE.start_main_~y~4))), 18279#(<= 7524 (+ ULTIMATE.start_main_~x~4 (* 5 ULTIMATE.start_main_~y~4))), 18280#(<= 7540 (+ ULTIMATE.start_main_~x~4 (* 4 ULTIMATE.start_main_~y~4))), 18281#(<= 7552 (+ ULTIMATE.start_main_~x~4 (* 3 ULTIMATE.start_main_~y~4))), 18282#(<= 7560 (+ ULTIMATE.start_main_~x~4 (* 2 ULTIMATE.start_main_~y~4))), 18283#(<= 7564 (+ ULTIMATE.start_main_~x~4 ULTIMATE.start_main_~y~4)), 18284#(<= 1 ULTIMATE.start___VERIFIER_assert_~cond)] [2018-07-23 13:41:42,361 INFO L134 CoverageAnalysis]: Checked inductivity of 3660 backedges. 0 proven. 3660 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-07-23 13:41:42,361 INFO L450 AbstractCegarLoop]: Interpolant automaton has 64 states [2018-07-23 13:41:42,361 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 64 interpolants. [2018-07-23 13:41:42,362 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=125, Invalid=3907, Unknown=0, NotChecked=0, Total=4032 [2018-07-23 13:41:42,362 INFO L87 Difference]: Start difference. First operand 125 states and 125 transitions. Second operand 64 states. [2018-07-23 13:41:43,064 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-07-23 13:41:43,064 INFO L93 Difference]: Finished difference Result 130 states and 130 transitions. [2018-07-23 13:41:43,064 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 64 states. [2018-07-23 13:41:43,064 INFO L78 Accepts]: Start accepts. Automaton has 64 states. Word has length 124 [2018-07-23 13:41:43,064 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-07-23 13:41:43,065 INFO L225 Difference]: With dead ends: 130 [2018-07-23 13:41:43,065 INFO L226 Difference]: Without dead ends: 128 [2018-07-23 13:41:43,066 INFO L575 BasicCegarLoop]: 0 DeclaredPredicates, 63 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 62 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=125, Invalid=3907, Unknown=0, NotChecked=0, Total=4032 [2018-07-23 13:41:43,066 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 128 states. [2018-07-23 13:41:43,101 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 128 to 127. [2018-07-23 13:41:43,101 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 127 states. [2018-07-23 13:41:43,102 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 127 states to 127 states and 127 transitions. [2018-07-23 13:41:43,102 INFO L78 Accepts]: Start accepts. Automaton has 127 states and 127 transitions. Word has length 124 [2018-07-23 13:41:43,102 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-07-23 13:41:43,102 INFO L471 AbstractCegarLoop]: Abstraction has 127 states and 127 transitions. [2018-07-23 13:41:43,102 INFO L472 AbstractCegarLoop]: Interpolant automaton has 64 states. [2018-07-23 13:41:43,102 INFO L276 IsEmpty]: Start isEmpty. Operand 127 states and 127 transitions. [2018-07-23 13:41:43,103 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 127 [2018-07-23 13:41:43,103 INFO L349 BasicCegarLoop]: Found error trace [2018-07-23 13:41:43,104 INFO L357 BasicCegarLoop]: trace histogram [62, 61, 1, 1, 1] [2018-07-23 13:41:43,104 INFO L414 AbstractCegarLoop]: === Iteration 62 === [ULTIMATE.startErr0AssertViolationASSERT]=== [2018-07-23 13:41:43,104 INFO L82 PathProgramCache]: Analyzing trace with hash 1143203837, now seen corresponding path program 61 times [2018-07-23 13:41:43,104 INFO L69 tionRefinementEngine]: Using refinement strategy FixedRefinementStrategy [2018-07-23 13:41:43,190 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-07-23 13:41:43,664 INFO L134 CoverageAnalysis]: Checked inductivity of 3782 backedges. 0 proven. 3782 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-07-23 13:41:43,664 INFO L309 seRefinementStrategy]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2018-07-23 13:41:43,664 INFO L324 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [64] total 64 [2018-07-23 13:41:43,664 INFO L142 lantAutomatonBuilder]: Constructing canonical interpolant automaton, with selfloop in false state [2018-07-23 13:41:43,665 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-07-23 13:41:43,665 INFO L185 omatonBuilderFactory]: Interpolants [18816#(<= 3488 (+ ULTIMATE.start_main_~x~4 (* 47 ULTIMATE.start_main_~y~4))), 18817#(<= 3672 (+ ULTIMATE.start_main_~x~4 (* 46 ULTIMATE.start_main_~y~4))), 18818#(<= 3852 (+ ULTIMATE.start_main_~x~4 (* 45 ULTIMATE.start_main_~y~4))), 18819#(<= 4028 (+ ULTIMATE.start_main_~x~4 (* 44 ULTIMATE.start_main_~y~4))), 18820#(<= 4200 (+ ULTIMATE.start_main_~x~4 (* 43 ULTIMATE.start_main_~y~4))), 18821#(<= 4368 (+ ULTIMATE.start_main_~x~4 (* 42 ULTIMATE.start_main_~y~4))), 18822#(<= 4532 (+ ULTIMATE.start_main_~x~4 (* 41 ULTIMATE.start_main_~y~4))), 18823#(<= 4692 (+ ULTIMATE.start_main_~x~4 (* 40 ULTIMATE.start_main_~y~4))), 18824#(<= 4848 (+ ULTIMATE.start_main_~x~4 (* 39 ULTIMATE.start_main_~y~4))), 18825#(<= 5000 (+ ULTIMATE.start_main_~x~4 (* 38 ULTIMATE.start_main_~y~4))), 18826#(<= 5148 (+ ULTIMATE.start_main_~x~4 (* 37 ULTIMATE.start_main_~y~4))), 18827#(<= 5292 (+ ULTIMATE.start_main_~x~4 (* 36 ULTIMATE.start_main_~y~4))), 18828#(<= 5432 (+ ULTIMATE.start_main_~x~4 (* 35 ULTIMATE.start_main_~y~4))), 18829#(<= 5568 (+ ULTIMATE.start_main_~x~4 (* 34 ULTIMATE.start_main_~y~4))), 18830#(<= 5700 (+ ULTIMATE.start_main_~x~4 (* 33 ULTIMATE.start_main_~y~4))), 18831#(<= 5828 (+ ULTIMATE.start_main_~x~4 (* 32 ULTIMATE.start_main_~y~4))), 18832#(<= 5952 (+ ULTIMATE.start_main_~x~4 (* 31 ULTIMATE.start_main_~y~4))), 18833#(<= 6072 (+ ULTIMATE.start_main_~x~4 (* 30 ULTIMATE.start_main_~y~4))), 18834#(<= 6188 (+ ULTIMATE.start_main_~x~4 (* 29 ULTIMATE.start_main_~y~4))), 18835#(<= 6300 (+ ULTIMATE.start_main_~x~4 (* 28 ULTIMATE.start_main_~y~4))), 18836#(<= 6408 (+ ULTIMATE.start_main_~x~4 (* 27 ULTIMATE.start_main_~y~4))), 18837#(<= 6512 (+ ULTIMATE.start_main_~x~4 (* 26 ULTIMATE.start_main_~y~4))), 18838#(<= 6612 (+ ULTIMATE.start_main_~x~4 (* 25 ULTIMATE.start_main_~y~4))), 18839#(<= 6708 (+ ULTIMATE.start_main_~x~4 (* 24 ULTIMATE.start_main_~y~4))), 18840#(<= 6800 (+ ULTIMATE.start_main_~x~4 (* 23 ULTIMATE.start_main_~y~4))), 18841#(<= 6888 (+ ULTIMATE.start_main_~x~4 (* 22 ULTIMATE.start_main_~y~4))), 18842#(<= 6972 (+ ULTIMATE.start_main_~x~4 (* 21 ULTIMATE.start_main_~y~4))), 18843#(<= 7052 (+ ULTIMATE.start_main_~x~4 (* 20 ULTIMATE.start_main_~y~4))), 18844#(<= 7128 (+ ULTIMATE.start_main_~x~4 (* 19 ULTIMATE.start_main_~y~4))), 18845#(<= 7200 (+ ULTIMATE.start_main_~x~4 (* 18 ULTIMATE.start_main_~y~4))), 18846#(<= 7268 (+ ULTIMATE.start_main_~x~4 (* 17 ULTIMATE.start_main_~y~4))), 18847#(<= 7332 (+ ULTIMATE.start_main_~x~4 (* 16 ULTIMATE.start_main_~y~4))), 18848#(<= 7392 (+ ULTIMATE.start_main_~x~4 (* 15 ULTIMATE.start_main_~y~4))), 18849#(<= 7448 (+ ULTIMATE.start_main_~x~4 (* 14 ULTIMATE.start_main_~y~4))), 18850#(<= 7500 (+ ULTIMATE.start_main_~x~4 (* 13 ULTIMATE.start_main_~y~4))), 18851#(<= 7548 (+ ULTIMATE.start_main_~x~4 (* 12 ULTIMATE.start_main_~y~4))), 18852#(<= 7592 (+ ULTIMATE.start_main_~x~4 (* 11 ULTIMATE.start_main_~y~4))), 18853#(<= 7632 (+ ULTIMATE.start_main_~x~4 (* 10 ULTIMATE.start_main_~y~4))), 18854#(<= 7668 (+ ULTIMATE.start_main_~x~4 (* 9 ULTIMATE.start_main_~y~4))), 18855#(<= 7700 (+ ULTIMATE.start_main_~x~4 (* 8 ULTIMATE.start_main_~y~4))), 18856#(<= 7728 (+ ULTIMATE.start_main_~x~4 (* 7 ULTIMATE.start_main_~y~4))), 18857#(<= 7752 (+ ULTIMATE.start_main_~x~4 (* 6 ULTIMATE.start_main_~y~4))), 18858#(<= 7772 (+ ULTIMATE.start_main_~x~4 (* 5 ULTIMATE.start_main_~y~4))), 18859#(<= 7788 (+ ULTIMATE.start_main_~x~4 (* 4 ULTIMATE.start_main_~y~4))), 18860#(<= 7800 (+ ULTIMATE.start_main_~x~4 (* 3 ULTIMATE.start_main_~y~4))), 18861#(<= 7808 (+ ULTIMATE.start_main_~x~4 (* 2 ULTIMATE.start_main_~y~4))), 18862#(<= 7812 (+ ULTIMATE.start_main_~x~4 ULTIMATE.start_main_~y~4)), 18863#(<= 1 ULTIMATE.start___VERIFIER_assert_~cond), 18799#true, 18800#false, 18801#(<= 248 (+ ULTIMATE.start_main_~x~4 (* 62 ULTIMATE.start_main_~y~4))), 18802#(<= 492 (+ ULTIMATE.start_main_~x~4 (* 61 ULTIMATE.start_main_~y~4))), 18803#(<= 732 (+ ULTIMATE.start_main_~x~4 (* 60 ULTIMATE.start_main_~y~4))), 18804#(<= 968 (+ ULTIMATE.start_main_~x~4 (* 59 ULTIMATE.start_main_~y~4))), 18805#(<= 1200 (+ ULTIMATE.start_main_~x~4 (* 58 ULTIMATE.start_main_~y~4))), 18806#(<= 1428 (+ ULTIMATE.start_main_~x~4 (* 57 ULTIMATE.start_main_~y~4))), 18807#(<= 1652 (+ ULTIMATE.start_main_~x~4 (* 56 ULTIMATE.start_main_~y~4))), 18808#(<= 1872 (+ ULTIMATE.start_main_~x~4 (* 55 ULTIMATE.start_main_~y~4))), 18809#(<= 2088 (+ ULTIMATE.start_main_~x~4 (* 54 ULTIMATE.start_main_~y~4))), 18810#(<= 2300 (+ ULTIMATE.start_main_~x~4 (* 53 ULTIMATE.start_main_~y~4))), 18811#(<= 2508 (+ ULTIMATE.start_main_~x~4 (* 52 ULTIMATE.start_main_~y~4))), 18812#(<= 2712 (+ ULTIMATE.start_main_~x~4 (* 51 ULTIMATE.start_main_~y~4))), 18813#(<= 2912 (+ ULTIMATE.start_main_~x~4 (* 50 ULTIMATE.start_main_~y~4))), 18814#(<= 3108 (+ ULTIMATE.start_main_~x~4 (* 49 ULTIMATE.start_main_~y~4))), 18815#(<= 3300 (+ ULTIMATE.start_main_~x~4 (* 48 ULTIMATE.start_main_~y~4)))] [2018-07-23 13:41:43,666 INFO L134 CoverageAnalysis]: Checked inductivity of 3782 backedges. 0 proven. 3782 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-07-23 13:41:43,666 INFO L450 AbstractCegarLoop]: Interpolant automaton has 65 states [2018-07-23 13:41:43,666 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 65 interpolants. [2018-07-23 13:41:43,666 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=127, Invalid=4033, Unknown=0, NotChecked=0, Total=4160 [2018-07-23 13:41:43,667 INFO L87 Difference]: Start difference. First operand 127 states and 127 transitions. Second operand 65 states. [2018-07-23 13:41:44,432 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-07-23 13:41:44,432 INFO L93 Difference]: Finished difference Result 132 states and 132 transitions. [2018-07-23 13:41:44,433 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 65 states. [2018-07-23 13:41:44,433 INFO L78 Accepts]: Start accepts. Automaton has 65 states. Word has length 126 [2018-07-23 13:41:44,433 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-07-23 13:41:44,434 INFO L225 Difference]: With dead ends: 132 [2018-07-23 13:41:44,434 INFO L226 Difference]: Without dead ends: 130 [2018-07-23 13:41:44,434 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 13:41:44,434 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 130 states. [2018-07-23 13:41:44,471 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 130 to 129. [2018-07-23 13:41:44,471 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 129 states. [2018-07-23 13:41:44,472 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 129 states to 129 states and 129 transitions. [2018-07-23 13:41:44,472 INFO L78 Accepts]: Start accepts. Automaton has 129 states and 129 transitions. Word has length 126 [2018-07-23 13:41:44,472 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-07-23 13:41:44,472 INFO L471 AbstractCegarLoop]: Abstraction has 129 states and 129 transitions. [2018-07-23 13:41:44,473 INFO L472 AbstractCegarLoop]: Interpolant automaton has 65 states. [2018-07-23 13:41:44,473 INFO L276 IsEmpty]: Start isEmpty. Operand 129 states and 129 transitions. [2018-07-23 13:41:44,473 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 129 [2018-07-23 13:41:44,473 INFO L349 BasicCegarLoop]: Found error trace [2018-07-23 13:41:44,474 INFO L357 BasicCegarLoop]: trace histogram [63, 62, 1, 1, 1] [2018-07-23 13:41:44,479 INFO L414 AbstractCegarLoop]: === Iteration 63 === [ULTIMATE.startErr0AssertViolationASSERT]=== [2018-07-23 13:41:44,479 INFO L82 PathProgramCache]: Analyzing trace with hash -892793721, now seen corresponding path program 62 times [2018-07-23 13:41:44,479 INFO L69 tionRefinementEngine]: Using refinement strategy FixedRefinementStrategy [2018-07-23 13:41:44,540 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-07-23 13:41:44,935 INFO L134 CoverageAnalysis]: Checked inductivity of 3906 backedges. 0 proven. 3906 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-07-23 13:41:44,935 INFO L309 seRefinementStrategy]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2018-07-23 13:41:44,935 INFO L324 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [65] total 65 [2018-07-23 13:41:44,935 INFO L142 lantAutomatonBuilder]: Constructing canonical interpolant automaton, with selfloop in false state [2018-07-23 13:41:44,936 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-07-23 13:41:44,936 INFO L185 omatonBuilderFactory]: Interpolants [19386#true, 19387#false, 19388#(<= 252 (+ ULTIMATE.start_main_~x~4 (* 63 ULTIMATE.start_main_~y~4))), 19389#(<= 500 (+ ULTIMATE.start_main_~x~4 (* 62 ULTIMATE.start_main_~y~4))), 19390#(<= 744 (+ ULTIMATE.start_main_~x~4 (* 61 ULTIMATE.start_main_~y~4))), 19391#(<= 984 (+ ULTIMATE.start_main_~x~4 (* 60 ULTIMATE.start_main_~y~4))), 19392#(<= 1220 (+ ULTIMATE.start_main_~x~4 (* 59 ULTIMATE.start_main_~y~4))), 19393#(<= 1452 (+ ULTIMATE.start_main_~x~4 (* 58 ULTIMATE.start_main_~y~4))), 19394#(<= 1680 (+ ULTIMATE.start_main_~x~4 (* 57 ULTIMATE.start_main_~y~4))), 19395#(<= 1904 (+ ULTIMATE.start_main_~x~4 (* 56 ULTIMATE.start_main_~y~4))), 19396#(<= 2124 (+ ULTIMATE.start_main_~x~4 (* 55 ULTIMATE.start_main_~y~4))), 19397#(<= 2340 (+ ULTIMATE.start_main_~x~4 (* 54 ULTIMATE.start_main_~y~4))), 19398#(<= 2552 (+ ULTIMATE.start_main_~x~4 (* 53 ULTIMATE.start_main_~y~4))), 19399#(<= 2760 (+ ULTIMATE.start_main_~x~4 (* 52 ULTIMATE.start_main_~y~4))), 19400#(<= 2964 (+ ULTIMATE.start_main_~x~4 (* 51 ULTIMATE.start_main_~y~4))), 19401#(<= 3164 (+ ULTIMATE.start_main_~x~4 (* 50 ULTIMATE.start_main_~y~4))), 19402#(<= 3360 (+ ULTIMATE.start_main_~x~4 (* 49 ULTIMATE.start_main_~y~4))), 19403#(<= 3552 (+ ULTIMATE.start_main_~x~4 (* 48 ULTIMATE.start_main_~y~4))), 19404#(<= 3740 (+ ULTIMATE.start_main_~x~4 (* 47 ULTIMATE.start_main_~y~4))), 19405#(<= 3924 (+ ULTIMATE.start_main_~x~4 (* 46 ULTIMATE.start_main_~y~4))), 19406#(<= 4104 (+ ULTIMATE.start_main_~x~4 (* 45 ULTIMATE.start_main_~y~4))), 19407#(<= 4280 (+ ULTIMATE.start_main_~x~4 (* 44 ULTIMATE.start_main_~y~4))), 19408#(<= 4452 (+ ULTIMATE.start_main_~x~4 (* 43 ULTIMATE.start_main_~y~4))), 19409#(<= 4620 (+ ULTIMATE.start_main_~x~4 (* 42 ULTIMATE.start_main_~y~4))), 19410#(<= 4784 (+ ULTIMATE.start_main_~x~4 (* 41 ULTIMATE.start_main_~y~4))), 19411#(<= 4944 (+ ULTIMATE.start_main_~x~4 (* 40 ULTIMATE.start_main_~y~4))), 19412#(<= 5100 (+ ULTIMATE.start_main_~x~4 (* 39 ULTIMATE.start_main_~y~4))), 19413#(<= 5252 (+ ULTIMATE.start_main_~x~4 (* 38 ULTIMATE.start_main_~y~4))), 19414#(<= 5400 (+ ULTIMATE.start_main_~x~4 (* 37 ULTIMATE.start_main_~y~4))), 19415#(<= 5544 (+ ULTIMATE.start_main_~x~4 (* 36 ULTIMATE.start_main_~y~4))), 19416#(<= 5684 (+ ULTIMATE.start_main_~x~4 (* 35 ULTIMATE.start_main_~y~4))), 19417#(<= 5820 (+ ULTIMATE.start_main_~x~4 (* 34 ULTIMATE.start_main_~y~4))), 19418#(<= 5952 (+ ULTIMATE.start_main_~x~4 (* 33 ULTIMATE.start_main_~y~4))), 19419#(<= 6080 (+ ULTIMATE.start_main_~x~4 (* 32 ULTIMATE.start_main_~y~4))), 19420#(<= 6204 (+ ULTIMATE.start_main_~x~4 (* 31 ULTIMATE.start_main_~y~4))), 19421#(<= 6324 (+ ULTIMATE.start_main_~x~4 (* 30 ULTIMATE.start_main_~y~4))), 19422#(<= 6440 (+ ULTIMATE.start_main_~x~4 (* 29 ULTIMATE.start_main_~y~4))), 19423#(<= 6552 (+ ULTIMATE.start_main_~x~4 (* 28 ULTIMATE.start_main_~y~4))), 19424#(<= 6660 (+ ULTIMATE.start_main_~x~4 (* 27 ULTIMATE.start_main_~y~4))), 19425#(<= 6764 (+ ULTIMATE.start_main_~x~4 (* 26 ULTIMATE.start_main_~y~4))), 19426#(<= 6864 (+ ULTIMATE.start_main_~x~4 (* 25 ULTIMATE.start_main_~y~4))), 19427#(<= 6960 (+ ULTIMATE.start_main_~x~4 (* 24 ULTIMATE.start_main_~y~4))), 19428#(<= 7052 (+ ULTIMATE.start_main_~x~4 (* 23 ULTIMATE.start_main_~y~4))), 19429#(<= 7140 (+ ULTIMATE.start_main_~x~4 (* 22 ULTIMATE.start_main_~y~4))), 19430#(<= 7224 (+ ULTIMATE.start_main_~x~4 (* 21 ULTIMATE.start_main_~y~4))), 19431#(<= 7304 (+ ULTIMATE.start_main_~x~4 (* 20 ULTIMATE.start_main_~y~4))), 19432#(<= 7380 (+ ULTIMATE.start_main_~x~4 (* 19 ULTIMATE.start_main_~y~4))), 19433#(<= 7452 (+ ULTIMATE.start_main_~x~4 (* 18 ULTIMATE.start_main_~y~4))), 19434#(<= 7520 (+ ULTIMATE.start_main_~x~4 (* 17 ULTIMATE.start_main_~y~4))), 19435#(<= 7584 (+ ULTIMATE.start_main_~x~4 (* 16 ULTIMATE.start_main_~y~4))), 19436#(<= 7644 (+ ULTIMATE.start_main_~x~4 (* 15 ULTIMATE.start_main_~y~4))), 19437#(<= 7700 (+ ULTIMATE.start_main_~x~4 (* 14 ULTIMATE.start_main_~y~4))), 19438#(<= 7752 (+ ULTIMATE.start_main_~x~4 (* 13 ULTIMATE.start_main_~y~4))), 19439#(<= 7800 (+ ULTIMATE.start_main_~x~4 (* 12 ULTIMATE.start_main_~y~4))), 19440#(<= 7844 (+ ULTIMATE.start_main_~x~4 (* 11 ULTIMATE.start_main_~y~4))), 19441#(<= 7884 (+ ULTIMATE.start_main_~x~4 (* 10 ULTIMATE.start_main_~y~4))), 19442#(<= 7920 (+ ULTIMATE.start_main_~x~4 (* 9 ULTIMATE.start_main_~y~4))), 19443#(<= 7952 (+ ULTIMATE.start_main_~x~4 (* 8 ULTIMATE.start_main_~y~4))), 19444#(<= 7980 (+ ULTIMATE.start_main_~x~4 (* 7 ULTIMATE.start_main_~y~4))), 19445#(<= 8004 (+ ULTIMATE.start_main_~x~4 (* 6 ULTIMATE.start_main_~y~4))), 19446#(<= 8024 (+ ULTIMATE.start_main_~x~4 (* 5 ULTIMATE.start_main_~y~4))), 19447#(<= 8040 (+ ULTIMATE.start_main_~x~4 (* 4 ULTIMATE.start_main_~y~4))), 19448#(<= 8052 (+ ULTIMATE.start_main_~x~4 (* 3 ULTIMATE.start_main_~y~4))), 19449#(<= 8060 (+ ULTIMATE.start_main_~x~4 (* 2 ULTIMATE.start_main_~y~4))), 19450#(<= 8064 (+ ULTIMATE.start_main_~x~4 ULTIMATE.start_main_~y~4)), 19451#(<= 1 ULTIMATE.start___VERIFIER_assert_~cond)] [2018-07-23 13:41:44,937 INFO L134 CoverageAnalysis]: Checked inductivity of 3906 backedges. 0 proven. 3906 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-07-23 13:41:44,937 INFO L450 AbstractCegarLoop]: Interpolant automaton has 66 states [2018-07-23 13:41:44,937 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 66 interpolants. [2018-07-23 13:41:44,937 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=129, Invalid=4161, Unknown=0, NotChecked=0, Total=4290 [2018-07-23 13:41:44,938 INFO L87 Difference]: Start difference. First operand 129 states and 129 transitions. Second operand 66 states. [2018-07-23 13:41:45,668 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-07-23 13:41:45,669 INFO L93 Difference]: Finished difference Result 134 states and 134 transitions. [2018-07-23 13:41:45,669 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 66 states. [2018-07-23 13:41:45,669 INFO L78 Accepts]: Start accepts. Automaton has 66 states. Word has length 128 [2018-07-23 13:41:45,669 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-07-23 13:41:45,670 INFO L225 Difference]: With dead ends: 134 [2018-07-23 13:41:45,670 INFO L226 Difference]: Without dead ends: 132 [2018-07-23 13:41:45,671 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 13:41:45,671 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 132 states. [2018-07-23 13:41:45,704 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 132 to 131. [2018-07-23 13:41:45,704 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 131 states. [2018-07-23 13:41:45,705 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 131 states to 131 states and 131 transitions. [2018-07-23 13:41:45,705 INFO L78 Accepts]: Start accepts. Automaton has 131 states and 131 transitions. Word has length 128 [2018-07-23 13:41:45,705 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-07-23 13:41:45,705 INFO L471 AbstractCegarLoop]: Abstraction has 131 states and 131 transitions. [2018-07-23 13:41:45,705 INFO L472 AbstractCegarLoop]: Interpolant automaton has 66 states. [2018-07-23 13:41:45,705 INFO L276 IsEmpty]: Start isEmpty. Operand 131 states and 131 transitions. [2018-07-23 13:41:45,706 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 131 [2018-07-23 13:41:45,706 INFO L349 BasicCegarLoop]: Found error trace [2018-07-23 13:41:45,706 INFO L357 BasicCegarLoop]: trace histogram [64, 63, 1, 1, 1] [2018-07-23 13:41:45,707 INFO L414 AbstractCegarLoop]: === Iteration 64 === [ULTIMATE.startErr0AssertViolationASSERT]=== [2018-07-23 13:41:45,707 INFO L82 PathProgramCache]: Analyzing trace with hash 1018640017, now seen corresponding path program 63 times [2018-07-23 13:41:45,707 INFO L69 tionRefinementEngine]: Using refinement strategy FixedRefinementStrategy [2018-07-23 13:41:45,767 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-07-23 13:41:46,185 INFO L134 CoverageAnalysis]: Checked inductivity of 4032 backedges. 0 proven. 4032 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-07-23 13:41:46,185 INFO L309 seRefinementStrategy]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2018-07-23 13:41:46,186 INFO L324 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [66] total 66 [2018-07-23 13:41:46,186 INFO L142 lantAutomatonBuilder]: Constructing canonical interpolant automaton, with selfloop in false state [2018-07-23 13:41:46,186 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-07-23 13:41:46,186 INFO L185 omatonBuilderFactory]: Interpolants [19982#true, 19983#false, 19984#(<= 256 (+ ULTIMATE.start_main_~x~4 (* 64 ULTIMATE.start_main_~y~4))), 19985#(<= 508 (+ ULTIMATE.start_main_~x~4 (* 63 ULTIMATE.start_main_~y~4))), 19986#(<= 756 (+ ULTIMATE.start_main_~x~4 (* 62 ULTIMATE.start_main_~y~4))), 19987#(<= 1000 (+ ULTIMATE.start_main_~x~4 (* 61 ULTIMATE.start_main_~y~4))), 19988#(<= 1240 (+ ULTIMATE.start_main_~x~4 (* 60 ULTIMATE.start_main_~y~4))), 19989#(<= 1476 (+ ULTIMATE.start_main_~x~4 (* 59 ULTIMATE.start_main_~y~4))), 19990#(<= 1708 (+ ULTIMATE.start_main_~x~4 (* 58 ULTIMATE.start_main_~y~4))), 19991#(<= 1936 (+ ULTIMATE.start_main_~x~4 (* 57 ULTIMATE.start_main_~y~4))), 19992#(<= 2160 (+ ULTIMATE.start_main_~x~4 (* 56 ULTIMATE.start_main_~y~4))), 19993#(<= 2380 (+ ULTIMATE.start_main_~x~4 (* 55 ULTIMATE.start_main_~y~4))), 19994#(<= 2596 (+ ULTIMATE.start_main_~x~4 (* 54 ULTIMATE.start_main_~y~4))), 19995#(<= 2808 (+ ULTIMATE.start_main_~x~4 (* 53 ULTIMATE.start_main_~y~4))), 19996#(<= 3016 (+ ULTIMATE.start_main_~x~4 (* 52 ULTIMATE.start_main_~y~4))), 19997#(<= 3220 (+ ULTIMATE.start_main_~x~4 (* 51 ULTIMATE.start_main_~y~4))), 19998#(<= 3420 (+ ULTIMATE.start_main_~x~4 (* 50 ULTIMATE.start_main_~y~4))), 19999#(<= 3616 (+ ULTIMATE.start_main_~x~4 (* 49 ULTIMATE.start_main_~y~4))), 20000#(<= 3808 (+ ULTIMATE.start_main_~x~4 (* 48 ULTIMATE.start_main_~y~4))), 20001#(<= 3996 (+ ULTIMATE.start_main_~x~4 (* 47 ULTIMATE.start_main_~y~4))), 20002#(<= 4180 (+ ULTIMATE.start_main_~x~4 (* 46 ULTIMATE.start_main_~y~4))), 20003#(<= 4360 (+ ULTIMATE.start_main_~x~4 (* 45 ULTIMATE.start_main_~y~4))), 20004#(<= 4536 (+ ULTIMATE.start_main_~x~4 (* 44 ULTIMATE.start_main_~y~4))), 20005#(<= 4708 (+ ULTIMATE.start_main_~x~4 (* 43 ULTIMATE.start_main_~y~4))), 20006#(<= 4876 (+ ULTIMATE.start_main_~x~4 (* 42 ULTIMATE.start_main_~y~4))), 20007#(<= 5040 (+ ULTIMATE.start_main_~x~4 (* 41 ULTIMATE.start_main_~y~4))), 20008#(<= 5200 (+ ULTIMATE.start_main_~x~4 (* 40 ULTIMATE.start_main_~y~4))), 20009#(<= 5356 (+ ULTIMATE.start_main_~x~4 (* 39 ULTIMATE.start_main_~y~4))), 20010#(<= 5508 (+ ULTIMATE.start_main_~x~4 (* 38 ULTIMATE.start_main_~y~4))), 20011#(<= 5656 (+ ULTIMATE.start_main_~x~4 (* 37 ULTIMATE.start_main_~y~4))), 20012#(<= 5800 (+ ULTIMATE.start_main_~x~4 (* 36 ULTIMATE.start_main_~y~4))), 20013#(<= 5940 (+ ULTIMATE.start_main_~x~4 (* 35 ULTIMATE.start_main_~y~4))), 20014#(<= 6076 (+ ULTIMATE.start_main_~x~4 (* 34 ULTIMATE.start_main_~y~4))), 20015#(<= 6208 (+ ULTIMATE.start_main_~x~4 (* 33 ULTIMATE.start_main_~y~4))), 20016#(<= 6336 (+ ULTIMATE.start_main_~x~4 (* 32 ULTIMATE.start_main_~y~4))), 20017#(<= 6460 (+ ULTIMATE.start_main_~x~4 (* 31 ULTIMATE.start_main_~y~4))), 20018#(<= 6580 (+ ULTIMATE.start_main_~x~4 (* 30 ULTIMATE.start_main_~y~4))), 20019#(<= 6696 (+ ULTIMATE.start_main_~x~4 (* 29 ULTIMATE.start_main_~y~4))), 20020#(<= 6808 (+ ULTIMATE.start_main_~x~4 (* 28 ULTIMATE.start_main_~y~4))), 20021#(<= 6916 (+ ULTIMATE.start_main_~x~4 (* 27 ULTIMATE.start_main_~y~4))), 20022#(<= 7020 (+ ULTIMATE.start_main_~x~4 (* 26 ULTIMATE.start_main_~y~4))), 20023#(<= 7120 (+ ULTIMATE.start_main_~x~4 (* 25 ULTIMATE.start_main_~y~4))), 20024#(<= 7216 (+ ULTIMATE.start_main_~x~4 (* 24 ULTIMATE.start_main_~y~4))), 20025#(<= 7308 (+ ULTIMATE.start_main_~x~4 (* 23 ULTIMATE.start_main_~y~4))), 20026#(<= 7396 (+ ULTIMATE.start_main_~x~4 (* 22 ULTIMATE.start_main_~y~4))), 20027#(<= 7480 (+ ULTIMATE.start_main_~x~4 (* 21 ULTIMATE.start_main_~y~4))), 20028#(<= 7560 (+ ULTIMATE.start_main_~x~4 (* 20 ULTIMATE.start_main_~y~4))), 20029#(<= 7636 (+ ULTIMATE.start_main_~x~4 (* 19 ULTIMATE.start_main_~y~4))), 20030#(<= 7708 (+ ULTIMATE.start_main_~x~4 (* 18 ULTIMATE.start_main_~y~4))), 20031#(<= 7776 (+ ULTIMATE.start_main_~x~4 (* 17 ULTIMATE.start_main_~y~4))), 20032#(<= 7840 (+ ULTIMATE.start_main_~x~4 (* 16 ULTIMATE.start_main_~y~4))), 20033#(<= 7900 (+ ULTIMATE.start_main_~x~4 (* 15 ULTIMATE.start_main_~y~4))), 20034#(<= 7956 (+ ULTIMATE.start_main_~x~4 (* 14 ULTIMATE.start_main_~y~4))), 20035#(<= 8008 (+ ULTIMATE.start_main_~x~4 (* 13 ULTIMATE.start_main_~y~4))), 20036#(<= 8056 (+ ULTIMATE.start_main_~x~4 (* 12 ULTIMATE.start_main_~y~4))), 20037#(<= 8100 (+ ULTIMATE.start_main_~x~4 (* 11 ULTIMATE.start_main_~y~4))), 20038#(<= 8140 (+ ULTIMATE.start_main_~x~4 (* 10 ULTIMATE.start_main_~y~4))), 20039#(<= 8176 (+ ULTIMATE.start_main_~x~4 (* 9 ULTIMATE.start_main_~y~4))), 20040#(<= 8208 (+ ULTIMATE.start_main_~x~4 (* 8 ULTIMATE.start_main_~y~4))), 20041#(<= 8236 (+ ULTIMATE.start_main_~x~4 (* 7 ULTIMATE.start_main_~y~4))), 20042#(<= 8260 (+ ULTIMATE.start_main_~x~4 (* 6 ULTIMATE.start_main_~y~4))), 20043#(<= 8280 (+ ULTIMATE.start_main_~x~4 (* 5 ULTIMATE.start_main_~y~4))), 20044#(<= 8296 (+ ULTIMATE.start_main_~x~4 (* 4 ULTIMATE.start_main_~y~4))), 20045#(<= 8308 (+ ULTIMATE.start_main_~x~4 (* 3 ULTIMATE.start_main_~y~4))), 20046#(<= 8316 (+ ULTIMATE.start_main_~x~4 (* 2 ULTIMATE.start_main_~y~4))), 20047#(<= 8320 (+ ULTIMATE.start_main_~x~4 ULTIMATE.start_main_~y~4)), 20048#(<= 1 ULTIMATE.start___VERIFIER_assert_~cond)] [2018-07-23 13:41:46,187 INFO L134 CoverageAnalysis]: Checked inductivity of 4032 backedges. 0 proven. 4032 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-07-23 13:41:46,187 INFO L450 AbstractCegarLoop]: Interpolant automaton has 67 states [2018-07-23 13:41:46,187 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 67 interpolants. [2018-07-23 13:41:46,187 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=131, Invalid=4291, Unknown=0, NotChecked=0, Total=4422 [2018-07-23 13:41:46,188 INFO L87 Difference]: Start difference. First operand 131 states and 131 transitions. Second operand 67 states. [2018-07-23 13:41:46,944 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-07-23 13:41:46,945 INFO L93 Difference]: Finished difference Result 136 states and 136 transitions. [2018-07-23 13:41:46,945 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 67 states. [2018-07-23 13:41:46,945 INFO L78 Accepts]: Start accepts. Automaton has 67 states. Word has length 130 [2018-07-23 13:41:46,945 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-07-23 13:41:46,946 INFO L225 Difference]: With dead ends: 136 [2018-07-23 13:41:46,946 INFO L226 Difference]: Without dead ends: 134 [2018-07-23 13:41:46,946 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 13:41:46,947 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 134 states. [2018-07-23 13:41:46,980 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 134 to 133. [2018-07-23 13:41:46,981 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 133 states. [2018-07-23 13:41:46,981 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 133 states to 133 states and 133 transitions. [2018-07-23 13:41:46,981 INFO L78 Accepts]: Start accepts. Automaton has 133 states and 133 transitions. Word has length 130 [2018-07-23 13:41:46,982 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-07-23 13:41:46,982 INFO L471 AbstractCegarLoop]: Abstraction has 133 states and 133 transitions. [2018-07-23 13:41:46,982 INFO L472 AbstractCegarLoop]: Interpolant automaton has 67 states. [2018-07-23 13:41:46,982 INFO L276 IsEmpty]: Start isEmpty. Operand 133 states and 133 transitions. [2018-07-23 13:41:46,983 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 133 [2018-07-23 13:41:46,983 INFO L349 BasicCegarLoop]: Found error trace [2018-07-23 13:41:46,983 INFO L357 BasicCegarLoop]: trace histogram [65, 64, 1, 1, 1] [2018-07-23 13:41:46,983 INFO L414 AbstractCegarLoop]: === Iteration 65 === [ULTIMATE.startErr0AssertViolationASSERT]=== [2018-07-23 13:41:46,983 INFO L82 PathProgramCache]: Analyzing trace with hash -339540453, now seen corresponding path program 64 times [2018-07-23 13:41:46,983 INFO L69 tionRefinementEngine]: Using refinement strategy FixedRefinementStrategy [2018-07-23 13:41:47,049 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-07-23 13:41:47,470 INFO L134 CoverageAnalysis]: Checked inductivity of 4160 backedges. 0 proven. 4160 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-07-23 13:41:47,470 INFO L309 seRefinementStrategy]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2018-07-23 13:41:47,470 INFO L324 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [67] total 67 [2018-07-23 13:41:47,470 INFO L142 lantAutomatonBuilder]: Constructing canonical interpolant automaton, with selfloop in false state [2018-07-23 13:41:47,471 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-07-23 13:41:47,471 INFO L185 omatonBuilderFactory]: Interpolants [20608#(<= 4440 (+ ULTIMATE.start_main_~x~4 (* 46 ULTIMATE.start_main_~y~4))), 20609#(<= 4620 (+ ULTIMATE.start_main_~x~4 (* 45 ULTIMATE.start_main_~y~4))), 20610#(<= 4796 (+ ULTIMATE.start_main_~x~4 (* 44 ULTIMATE.start_main_~y~4))), 20611#(<= 4968 (+ ULTIMATE.start_main_~x~4 (* 43 ULTIMATE.start_main_~y~4))), 20612#(<= 5136 (+ ULTIMATE.start_main_~x~4 (* 42 ULTIMATE.start_main_~y~4))), 20613#(<= 5300 (+ ULTIMATE.start_main_~x~4 (* 41 ULTIMATE.start_main_~y~4))), 20614#(<= 5460 (+ ULTIMATE.start_main_~x~4 (* 40 ULTIMATE.start_main_~y~4))), 20615#(<= 5616 (+ ULTIMATE.start_main_~x~4 (* 39 ULTIMATE.start_main_~y~4))), 20616#(<= 5768 (+ ULTIMATE.start_main_~x~4 (* 38 ULTIMATE.start_main_~y~4))), 20617#(<= 5916 (+ ULTIMATE.start_main_~x~4 (* 37 ULTIMATE.start_main_~y~4))), 20618#(<= 6060 (+ ULTIMATE.start_main_~x~4 (* 36 ULTIMATE.start_main_~y~4))), 20619#(<= 6200 (+ ULTIMATE.start_main_~x~4 (* 35 ULTIMATE.start_main_~y~4))), 20620#(<= 6336 (+ ULTIMATE.start_main_~x~4 (* 34 ULTIMATE.start_main_~y~4))), 20621#(<= 6468 (+ ULTIMATE.start_main_~x~4 (* 33 ULTIMATE.start_main_~y~4))), 20622#(<= 6596 (+ ULTIMATE.start_main_~x~4 (* 32 ULTIMATE.start_main_~y~4))), 20623#(<= 6720 (+ ULTIMATE.start_main_~x~4 (* 31 ULTIMATE.start_main_~y~4))), 20624#(<= 6840 (+ ULTIMATE.start_main_~x~4 (* 30 ULTIMATE.start_main_~y~4))), 20625#(<= 6956 (+ ULTIMATE.start_main_~x~4 (* 29 ULTIMATE.start_main_~y~4))), 20626#(<= 7068 (+ ULTIMATE.start_main_~x~4 (* 28 ULTIMATE.start_main_~y~4))), 20627#(<= 7176 (+ ULTIMATE.start_main_~x~4 (* 27 ULTIMATE.start_main_~y~4))), 20628#(<= 7280 (+ ULTIMATE.start_main_~x~4 (* 26 ULTIMATE.start_main_~y~4))), 20629#(<= 7380 (+ ULTIMATE.start_main_~x~4 (* 25 ULTIMATE.start_main_~y~4))), 20630#(<= 7476 (+ ULTIMATE.start_main_~x~4 (* 24 ULTIMATE.start_main_~y~4))), 20631#(<= 7568 (+ ULTIMATE.start_main_~x~4 (* 23 ULTIMATE.start_main_~y~4))), 20632#(<= 7656 (+ ULTIMATE.start_main_~x~4 (* 22 ULTIMATE.start_main_~y~4))), 20633#(<= 7740 (+ ULTIMATE.start_main_~x~4 (* 21 ULTIMATE.start_main_~y~4))), 20634#(<= 7820 (+ ULTIMATE.start_main_~x~4 (* 20 ULTIMATE.start_main_~y~4))), 20635#(<= 7896 (+ ULTIMATE.start_main_~x~4 (* 19 ULTIMATE.start_main_~y~4))), 20636#(<= 7968 (+ ULTIMATE.start_main_~x~4 (* 18 ULTIMATE.start_main_~y~4))), 20637#(<= 8036 (+ ULTIMATE.start_main_~x~4 (* 17 ULTIMATE.start_main_~y~4))), 20638#(<= 8100 (+ ULTIMATE.start_main_~x~4 (* 16 ULTIMATE.start_main_~y~4))), 20639#(<= 8160 (+ ULTIMATE.start_main_~x~4 (* 15 ULTIMATE.start_main_~y~4))), 20640#(<= 8216 (+ ULTIMATE.start_main_~x~4 (* 14 ULTIMATE.start_main_~y~4))), 20641#(<= 8268 (+ ULTIMATE.start_main_~x~4 (* 13 ULTIMATE.start_main_~y~4))), 20642#(<= 8316 (+ ULTIMATE.start_main_~x~4 (* 12 ULTIMATE.start_main_~y~4))), 20643#(<= 8360 (+ ULTIMATE.start_main_~x~4 (* 11 ULTIMATE.start_main_~y~4))), 20644#(<= 8400 (+ ULTIMATE.start_main_~x~4 (* 10 ULTIMATE.start_main_~y~4))), 20645#(<= 8436 (+ ULTIMATE.start_main_~x~4 (* 9 ULTIMATE.start_main_~y~4))), 20646#(<= 8468 (+ ULTIMATE.start_main_~x~4 (* 8 ULTIMATE.start_main_~y~4))), 20647#(<= 8496 (+ ULTIMATE.start_main_~x~4 (* 7 ULTIMATE.start_main_~y~4))), 20648#(<= 8520 (+ ULTIMATE.start_main_~x~4 (* 6 ULTIMATE.start_main_~y~4))), 20649#(<= 8540 (+ ULTIMATE.start_main_~x~4 (* 5 ULTIMATE.start_main_~y~4))), 20650#(<= 8556 (+ ULTIMATE.start_main_~x~4 (* 4 ULTIMATE.start_main_~y~4))), 20651#(<= 8568 (+ ULTIMATE.start_main_~x~4 (* 3 ULTIMATE.start_main_~y~4))), 20652#(<= 8576 (+ ULTIMATE.start_main_~x~4 (* 2 ULTIMATE.start_main_~y~4))), 20653#(<= 8580 (+ ULTIMATE.start_main_~x~4 ULTIMATE.start_main_~y~4)), 20654#(<= 1 ULTIMATE.start___VERIFIER_assert_~cond), 20587#true, 20588#false, 20589#(<= 260 (+ ULTIMATE.start_main_~x~4 (* 65 ULTIMATE.start_main_~y~4))), 20590#(<= 516 (+ ULTIMATE.start_main_~x~4 (* 64 ULTIMATE.start_main_~y~4))), 20591#(<= 768 (+ ULTIMATE.start_main_~x~4 (* 63 ULTIMATE.start_main_~y~4))), 20592#(<= 1016 (+ ULTIMATE.start_main_~x~4 (* 62 ULTIMATE.start_main_~y~4))), 20593#(<= 1260 (+ ULTIMATE.start_main_~x~4 (* 61 ULTIMATE.start_main_~y~4))), 20594#(<= 1500 (+ ULTIMATE.start_main_~x~4 (* 60 ULTIMATE.start_main_~y~4))), 20595#(<= 1736 (+ ULTIMATE.start_main_~x~4 (* 59 ULTIMATE.start_main_~y~4))), 20596#(<= 1968 (+ ULTIMATE.start_main_~x~4 (* 58 ULTIMATE.start_main_~y~4))), 20597#(<= 2196 (+ ULTIMATE.start_main_~x~4 (* 57 ULTIMATE.start_main_~y~4))), 20598#(<= 2420 (+ ULTIMATE.start_main_~x~4 (* 56 ULTIMATE.start_main_~y~4))), 20599#(<= 2640 (+ ULTIMATE.start_main_~x~4 (* 55 ULTIMATE.start_main_~y~4))), 20600#(<= 2856 (+ ULTIMATE.start_main_~x~4 (* 54 ULTIMATE.start_main_~y~4))), 20601#(<= 3068 (+ ULTIMATE.start_main_~x~4 (* 53 ULTIMATE.start_main_~y~4))), 20602#(<= 3276 (+ ULTIMATE.start_main_~x~4 (* 52 ULTIMATE.start_main_~y~4))), 20603#(<= 3480 (+ ULTIMATE.start_main_~x~4 (* 51 ULTIMATE.start_main_~y~4))), 20604#(<= 3680 (+ ULTIMATE.start_main_~x~4 (* 50 ULTIMATE.start_main_~y~4))), 20605#(<= 3876 (+ ULTIMATE.start_main_~x~4 (* 49 ULTIMATE.start_main_~y~4))), 20606#(<= 4068 (+ ULTIMATE.start_main_~x~4 (* 48 ULTIMATE.start_main_~y~4))), 20607#(<= 4256 (+ ULTIMATE.start_main_~x~4 (* 47 ULTIMATE.start_main_~y~4)))] [2018-07-23 13:41:47,472 INFO L134 CoverageAnalysis]: Checked inductivity of 4160 backedges. 0 proven. 4160 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-07-23 13:41:47,472 INFO L450 AbstractCegarLoop]: Interpolant automaton has 68 states [2018-07-23 13:41:47,472 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 68 interpolants. [2018-07-23 13:41:47,473 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=133, Invalid=4423, Unknown=0, NotChecked=0, Total=4556 [2018-07-23 13:41:47,473 INFO L87 Difference]: Start difference. First operand 133 states and 133 transitions. Second operand 68 states. [2018-07-23 13:41:48,311 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-07-23 13:41:48,311 INFO L93 Difference]: Finished difference Result 138 states and 138 transitions. [2018-07-23 13:41:48,311 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 68 states. [2018-07-23 13:41:48,311 INFO L78 Accepts]: Start accepts. Automaton has 68 states. Word has length 132 [2018-07-23 13:41:48,312 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-07-23 13:41:48,312 INFO L225 Difference]: With dead ends: 138 [2018-07-23 13:41:48,312 INFO L226 Difference]: Without dead ends: 136 [2018-07-23 13:41:48,313 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 13:41:48,313 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 136 states. [2018-07-23 13:41:48,355 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 136 to 135. [2018-07-23 13:41:48,355 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 135 states. [2018-07-23 13:41:48,355 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 135 states to 135 states and 135 transitions. [2018-07-23 13:41:48,356 INFO L78 Accepts]: Start accepts. Automaton has 135 states and 135 transitions. Word has length 132 [2018-07-23 13:41:48,356 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-07-23 13:41:48,356 INFO L471 AbstractCegarLoop]: Abstraction has 135 states and 135 transitions. [2018-07-23 13:41:48,356 INFO L472 AbstractCegarLoop]: Interpolant automaton has 68 states. [2018-07-23 13:41:48,356 INFO L276 IsEmpty]: Start isEmpty. Operand 135 states and 135 transitions. [2018-07-23 13:41:48,357 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 135 [2018-07-23 13:41:48,357 INFO L349 BasicCegarLoop]: Found error trace [2018-07-23 13:41:48,357 INFO L357 BasicCegarLoop]: trace histogram [66, 65, 1, 1, 1] [2018-07-23 13:41:48,357 INFO L414 AbstractCegarLoop]: === Iteration 66 === [ULTIMATE.startErr0AssertViolationASSERT]=== [2018-07-23 13:41:48,357 INFO L82 PathProgramCache]: Analyzing trace with hash 119085861, now seen corresponding path program 65 times [2018-07-23 13:41:48,358 INFO L69 tionRefinementEngine]: Using refinement strategy FixedRefinementStrategy [2018-07-23 13:41:48,430 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-07-23 13:41:48,882 INFO L134 CoverageAnalysis]: Checked inductivity of 4290 backedges. 0 proven. 4290 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-07-23 13:41:48,883 INFO L309 seRefinementStrategy]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2018-07-23 13:41:48,883 INFO L324 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [68] total 68 [2018-07-23 13:41:48,883 INFO L142 lantAutomatonBuilder]: Constructing canonical interpolant automaton, with selfloop in false state [2018-07-23 13:41:48,884 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-07-23 13:41:48,884 INFO L185 omatonBuilderFactory]: Interpolants [21248#(<= 8004 (+ ULTIMATE.start_main_~x~4 (* 21 ULTIMATE.start_main_~y~4))), 21249#(<= 8084 (+ ULTIMATE.start_main_~x~4 (* 20 ULTIMATE.start_main_~y~4))), 21250#(<= 8160 (+ ULTIMATE.start_main_~x~4 (* 19 ULTIMATE.start_main_~y~4))), 21251#(<= 8232 (+ ULTIMATE.start_main_~x~4 (* 18 ULTIMATE.start_main_~y~4))), 21252#(<= 8300 (+ ULTIMATE.start_main_~x~4 (* 17 ULTIMATE.start_main_~y~4))), 21253#(<= 8364 (+ ULTIMATE.start_main_~x~4 (* 16 ULTIMATE.start_main_~y~4))), 21254#(<= 8424 (+ ULTIMATE.start_main_~x~4 (* 15 ULTIMATE.start_main_~y~4))), 21255#(<= 8480 (+ ULTIMATE.start_main_~x~4 (* 14 ULTIMATE.start_main_~y~4))), 21256#(<= 8532 (+ ULTIMATE.start_main_~x~4 (* 13 ULTIMATE.start_main_~y~4))), 21257#(<= 8580 (+ ULTIMATE.start_main_~x~4 (* 12 ULTIMATE.start_main_~y~4))), 21258#(<= 8624 (+ ULTIMATE.start_main_~x~4 (* 11 ULTIMATE.start_main_~y~4))), 21259#(<= 8664 (+ ULTIMATE.start_main_~x~4 (* 10 ULTIMATE.start_main_~y~4))), 21260#(<= 8700 (+ ULTIMATE.start_main_~x~4 (* 9 ULTIMATE.start_main_~y~4))), 21261#(<= 8732 (+ ULTIMATE.start_main_~x~4 (* 8 ULTIMATE.start_main_~y~4))), 21262#(<= 8760 (+ ULTIMATE.start_main_~x~4 (* 7 ULTIMATE.start_main_~y~4))), 21263#(<= 8784 (+ ULTIMATE.start_main_~x~4 (* 6 ULTIMATE.start_main_~y~4))), 21264#(<= 8804 (+ ULTIMATE.start_main_~x~4 (* 5 ULTIMATE.start_main_~y~4))), 21265#(<= 8820 (+ ULTIMATE.start_main_~x~4 (* 4 ULTIMATE.start_main_~y~4))), 21266#(<= 8832 (+ ULTIMATE.start_main_~x~4 (* 3 ULTIMATE.start_main_~y~4))), 21267#(<= 8840 (+ ULTIMATE.start_main_~x~4 (* 2 ULTIMATE.start_main_~y~4))), 21268#(<= 8844 (+ ULTIMATE.start_main_~x~4 ULTIMATE.start_main_~y~4)), 21269#(<= 1 ULTIMATE.start___VERIFIER_assert_~cond), 21201#true, 21202#false, 21203#(<= 264 (+ ULTIMATE.start_main_~x~4 (* 66 ULTIMATE.start_main_~y~4))), 21204#(<= 524 (+ ULTIMATE.start_main_~x~4 (* 65 ULTIMATE.start_main_~y~4))), 21205#(<= 780 (+ ULTIMATE.start_main_~x~4 (* 64 ULTIMATE.start_main_~y~4))), 21206#(<= 1032 (+ ULTIMATE.start_main_~x~4 (* 63 ULTIMATE.start_main_~y~4))), 21207#(<= 1280 (+ ULTIMATE.start_main_~x~4 (* 62 ULTIMATE.start_main_~y~4))), 21208#(<= 1524 (+ ULTIMATE.start_main_~x~4 (* 61 ULTIMATE.start_main_~y~4))), 21209#(<= 1764 (+ ULTIMATE.start_main_~x~4 (* 60 ULTIMATE.start_main_~y~4))), 21210#(<= 2000 (+ ULTIMATE.start_main_~x~4 (* 59 ULTIMATE.start_main_~y~4))), 21211#(<= 2232 (+ ULTIMATE.start_main_~x~4 (* 58 ULTIMATE.start_main_~y~4))), 21212#(<= 2460 (+ ULTIMATE.start_main_~x~4 (* 57 ULTIMATE.start_main_~y~4))), 21213#(<= 2684 (+ ULTIMATE.start_main_~x~4 (* 56 ULTIMATE.start_main_~y~4))), 21214#(<= 2904 (+ ULTIMATE.start_main_~x~4 (* 55 ULTIMATE.start_main_~y~4))), 21215#(<= 3120 (+ ULTIMATE.start_main_~x~4 (* 54 ULTIMATE.start_main_~y~4))), 21216#(<= 3332 (+ ULTIMATE.start_main_~x~4 (* 53 ULTIMATE.start_main_~y~4))), 21217#(<= 3540 (+ ULTIMATE.start_main_~x~4 (* 52 ULTIMATE.start_main_~y~4))), 21218#(<= 3744 (+ ULTIMATE.start_main_~x~4 (* 51 ULTIMATE.start_main_~y~4))), 21219#(<= 3944 (+ ULTIMATE.start_main_~x~4 (* 50 ULTIMATE.start_main_~y~4))), 21220#(<= 4140 (+ ULTIMATE.start_main_~x~4 (* 49 ULTIMATE.start_main_~y~4))), 21221#(<= 4332 (+ ULTIMATE.start_main_~x~4 (* 48 ULTIMATE.start_main_~y~4))), 21222#(<= 4520 (+ ULTIMATE.start_main_~x~4 (* 47 ULTIMATE.start_main_~y~4))), 21223#(<= 4704 (+ ULTIMATE.start_main_~x~4 (* 46 ULTIMATE.start_main_~y~4))), 21224#(<= 4884 (+ ULTIMATE.start_main_~x~4 (* 45 ULTIMATE.start_main_~y~4))), 21225#(<= 5060 (+ ULTIMATE.start_main_~x~4 (* 44 ULTIMATE.start_main_~y~4))), 21226#(<= 5232 (+ ULTIMATE.start_main_~x~4 (* 43 ULTIMATE.start_main_~y~4))), 21227#(<= 5400 (+ ULTIMATE.start_main_~x~4 (* 42 ULTIMATE.start_main_~y~4))), 21228#(<= 5564 (+ ULTIMATE.start_main_~x~4 (* 41 ULTIMATE.start_main_~y~4))), 21229#(<= 5724 (+ ULTIMATE.start_main_~x~4 (* 40 ULTIMATE.start_main_~y~4))), 21230#(<= 5880 (+ ULTIMATE.start_main_~x~4 (* 39 ULTIMATE.start_main_~y~4))), 21231#(<= 6032 (+ ULTIMATE.start_main_~x~4 (* 38 ULTIMATE.start_main_~y~4))), 21232#(<= 6180 (+ ULTIMATE.start_main_~x~4 (* 37 ULTIMATE.start_main_~y~4))), 21233#(<= 6324 (+ ULTIMATE.start_main_~x~4 (* 36 ULTIMATE.start_main_~y~4))), 21234#(<= 6464 (+ ULTIMATE.start_main_~x~4 (* 35 ULTIMATE.start_main_~y~4))), 21235#(<= 6600 (+ ULTIMATE.start_main_~x~4 (* 34 ULTIMATE.start_main_~y~4))), 21236#(<= 6732 (+ ULTIMATE.start_main_~x~4 (* 33 ULTIMATE.start_main_~y~4))), 21237#(<= 6860 (+ ULTIMATE.start_main_~x~4 (* 32 ULTIMATE.start_main_~y~4))), 21238#(<= 6984 (+ ULTIMATE.start_main_~x~4 (* 31 ULTIMATE.start_main_~y~4))), 21239#(<= 7104 (+ ULTIMATE.start_main_~x~4 (* 30 ULTIMATE.start_main_~y~4))), 21240#(<= 7220 (+ ULTIMATE.start_main_~x~4 (* 29 ULTIMATE.start_main_~y~4))), 21241#(<= 7332 (+ ULTIMATE.start_main_~x~4 (* 28 ULTIMATE.start_main_~y~4))), 21242#(<= 7440 (+ ULTIMATE.start_main_~x~4 (* 27 ULTIMATE.start_main_~y~4))), 21243#(<= 7544 (+ ULTIMATE.start_main_~x~4 (* 26 ULTIMATE.start_main_~y~4))), 21244#(<= 7644 (+ ULTIMATE.start_main_~x~4 (* 25 ULTIMATE.start_main_~y~4))), 21245#(<= 7740 (+ ULTIMATE.start_main_~x~4 (* 24 ULTIMATE.start_main_~y~4))), 21246#(<= 7832 (+ ULTIMATE.start_main_~x~4 (* 23 ULTIMATE.start_main_~y~4))), 21247#(<= 7920 (+ ULTIMATE.start_main_~x~4 (* 22 ULTIMATE.start_main_~y~4)))] [2018-07-23 13:41:48,884 INFO L134 CoverageAnalysis]: Checked inductivity of 4290 backedges. 0 proven. 4290 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-07-23 13:41:48,885 INFO L450 AbstractCegarLoop]: Interpolant automaton has 69 states [2018-07-23 13:41:48,885 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 69 interpolants. [2018-07-23 13:41:48,885 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=135, Invalid=4557, Unknown=0, NotChecked=0, Total=4692 [2018-07-23 13:41:48,885 INFO L87 Difference]: Start difference. First operand 135 states and 135 transitions. Second operand 69 states. [2018-07-23 13:41:49,818 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-07-23 13:41:49,818 INFO L93 Difference]: Finished difference Result 140 states and 140 transitions. [2018-07-23 13:41:49,818 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 69 states. [2018-07-23 13:41:49,818 INFO L78 Accepts]: Start accepts. Automaton has 69 states. Word has length 134 [2018-07-23 13:41:49,819 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-07-23 13:41:49,819 INFO L225 Difference]: With dead ends: 140 [2018-07-23 13:41:49,819 INFO L226 Difference]: Without dead ends: 138 [2018-07-23 13:41:49,820 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 13:41:49,820 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 138 states. [2018-07-23 13:41:49,857 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 138 to 137. [2018-07-23 13:41:49,858 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 137 states. [2018-07-23 13:41:49,858 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 137 states to 137 states and 137 transitions. [2018-07-23 13:41:49,858 INFO L78 Accepts]: Start accepts. Automaton has 137 states and 137 transitions. Word has length 134 [2018-07-23 13:41:49,858 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-07-23 13:41:49,858 INFO L471 AbstractCegarLoop]: Abstraction has 137 states and 137 transitions. [2018-07-23 13:41:49,858 INFO L472 AbstractCegarLoop]: Interpolant automaton has 69 states. [2018-07-23 13:41:49,859 INFO L276 IsEmpty]: Start isEmpty. Operand 137 states and 137 transitions. [2018-07-23 13:41:49,859 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 137 [2018-07-23 13:41:49,859 INFO L349 BasicCegarLoop]: Found error trace [2018-07-23 13:41:49,859 INFO L357 BasicCegarLoop]: trace histogram [67, 66, 1, 1, 1] [2018-07-23 13:41:49,859 INFO L414 AbstractCegarLoop]: === Iteration 67 === [ULTIMATE.startErr0AssertViolationASSERT]=== [2018-07-23 13:41:49,860 INFO L82 PathProgramCache]: Analyzing trace with hash -1522657873, now seen corresponding path program 66 times [2018-07-23 13:41:49,860 INFO L69 tionRefinementEngine]: Using refinement strategy FixedRefinementStrategy [2018-07-23 13:41:49,926 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-07-23 13:41:50,331 INFO L134 CoverageAnalysis]: Checked inductivity of 4422 backedges. 0 proven. 4422 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-07-23 13:41:50,332 INFO L309 seRefinementStrategy]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2018-07-23 13:41:50,332 INFO L324 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [69] total 69 [2018-07-23 13:41:50,332 INFO L142 lantAutomatonBuilder]: Constructing canonical interpolant automaton, with selfloop in false state [2018-07-23 13:41:50,332 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-07-23 13:41:50,332 INFO L185 omatonBuilderFactory]: Interpolants [21888#(<= 9072 (+ ULTIMATE.start_main_~x~4 (* 5 ULTIMATE.start_main_~y~4))), 21889#(<= 9088 (+ ULTIMATE.start_main_~x~4 (* 4 ULTIMATE.start_main_~y~4))), 21890#(<= 9100 (+ ULTIMATE.start_main_~x~4 (* 3 ULTIMATE.start_main_~y~4))), 21891#(<= 9108 (+ ULTIMATE.start_main_~x~4 (* 2 ULTIMATE.start_main_~y~4))), 21892#(<= 9112 (+ ULTIMATE.start_main_~x~4 ULTIMATE.start_main_~y~4)), 21893#(<= 1 ULTIMATE.start___VERIFIER_assert_~cond), 21824#true, 21825#false, 21826#(<= 268 (+ ULTIMATE.start_main_~x~4 (* 67 ULTIMATE.start_main_~y~4))), 21827#(<= 532 (+ ULTIMATE.start_main_~x~4 (* 66 ULTIMATE.start_main_~y~4))), 21828#(<= 792 (+ ULTIMATE.start_main_~x~4 (* 65 ULTIMATE.start_main_~y~4))), 21829#(<= 1048 (+ ULTIMATE.start_main_~x~4 (* 64 ULTIMATE.start_main_~y~4))), 21830#(<= 1300 (+ ULTIMATE.start_main_~x~4 (* 63 ULTIMATE.start_main_~y~4))), 21831#(<= 1548 (+ ULTIMATE.start_main_~x~4 (* 62 ULTIMATE.start_main_~y~4))), 21832#(<= 1792 (+ ULTIMATE.start_main_~x~4 (* 61 ULTIMATE.start_main_~y~4))), 21833#(<= 2032 (+ ULTIMATE.start_main_~x~4 (* 60 ULTIMATE.start_main_~y~4))), 21834#(<= 2268 (+ ULTIMATE.start_main_~x~4 (* 59 ULTIMATE.start_main_~y~4))), 21835#(<= 2500 (+ ULTIMATE.start_main_~x~4 (* 58 ULTIMATE.start_main_~y~4))), 21836#(<= 2728 (+ ULTIMATE.start_main_~x~4 (* 57 ULTIMATE.start_main_~y~4))), 21837#(<= 2952 (+ ULTIMATE.start_main_~x~4 (* 56 ULTIMATE.start_main_~y~4))), 21838#(<= 3172 (+ ULTIMATE.start_main_~x~4 (* 55 ULTIMATE.start_main_~y~4))), 21839#(<= 3388 (+ ULTIMATE.start_main_~x~4 (* 54 ULTIMATE.start_main_~y~4))), 21840#(<= 3600 (+ ULTIMATE.start_main_~x~4 (* 53 ULTIMATE.start_main_~y~4))), 21841#(<= 3808 (+ ULTIMATE.start_main_~x~4 (* 52 ULTIMATE.start_main_~y~4))), 21842#(<= 4012 (+ ULTIMATE.start_main_~x~4 (* 51 ULTIMATE.start_main_~y~4))), 21843#(<= 4212 (+ ULTIMATE.start_main_~x~4 (* 50 ULTIMATE.start_main_~y~4))), 21844#(<= 4408 (+ ULTIMATE.start_main_~x~4 (* 49 ULTIMATE.start_main_~y~4))), 21845#(<= 4600 (+ ULTIMATE.start_main_~x~4 (* 48 ULTIMATE.start_main_~y~4))), 21846#(<= 4788 (+ ULTIMATE.start_main_~x~4 (* 47 ULTIMATE.start_main_~y~4))), 21847#(<= 4972 (+ ULTIMATE.start_main_~x~4 (* 46 ULTIMATE.start_main_~y~4))), 21848#(<= 5152 (+ ULTIMATE.start_main_~x~4 (* 45 ULTIMATE.start_main_~y~4))), 21849#(<= 5328 (+ ULTIMATE.start_main_~x~4 (* 44 ULTIMATE.start_main_~y~4))), 21850#(<= 5500 (+ ULTIMATE.start_main_~x~4 (* 43 ULTIMATE.start_main_~y~4))), 21851#(<= 5668 (+ ULTIMATE.start_main_~x~4 (* 42 ULTIMATE.start_main_~y~4))), 21852#(<= 5832 (+ ULTIMATE.start_main_~x~4 (* 41 ULTIMATE.start_main_~y~4))), 21853#(<= 5992 (+ ULTIMATE.start_main_~x~4 (* 40 ULTIMATE.start_main_~y~4))), 21854#(<= 6148 (+ ULTIMATE.start_main_~x~4 (* 39 ULTIMATE.start_main_~y~4))), 21855#(<= 6300 (+ ULTIMATE.start_main_~x~4 (* 38 ULTIMATE.start_main_~y~4))), 21856#(<= 6448 (+ ULTIMATE.start_main_~x~4 (* 37 ULTIMATE.start_main_~y~4))), 21857#(<= 6592 (+ ULTIMATE.start_main_~x~4 (* 36 ULTIMATE.start_main_~y~4))), 21858#(<= 6732 (+ ULTIMATE.start_main_~x~4 (* 35 ULTIMATE.start_main_~y~4))), 21859#(<= 6868 (+ ULTIMATE.start_main_~x~4 (* 34 ULTIMATE.start_main_~y~4))), 21860#(<= 7000 (+ ULTIMATE.start_main_~x~4 (* 33 ULTIMATE.start_main_~y~4))), 21861#(<= 7128 (+ ULTIMATE.start_main_~x~4 (* 32 ULTIMATE.start_main_~y~4))), 21862#(<= 7252 (+ ULTIMATE.start_main_~x~4 (* 31 ULTIMATE.start_main_~y~4))), 21863#(<= 7372 (+ ULTIMATE.start_main_~x~4 (* 30 ULTIMATE.start_main_~y~4))), 21864#(<= 7488 (+ ULTIMATE.start_main_~x~4 (* 29 ULTIMATE.start_main_~y~4))), 21865#(<= 7600 (+ ULTIMATE.start_main_~x~4 (* 28 ULTIMATE.start_main_~y~4))), 21866#(<= 7708 (+ ULTIMATE.start_main_~x~4 (* 27 ULTIMATE.start_main_~y~4))), 21867#(<= 7812 (+ ULTIMATE.start_main_~x~4 (* 26 ULTIMATE.start_main_~y~4))), 21868#(<= 7912 (+ ULTIMATE.start_main_~x~4 (* 25 ULTIMATE.start_main_~y~4))), 21869#(<= 8008 (+ ULTIMATE.start_main_~x~4 (* 24 ULTIMATE.start_main_~y~4))), 21870#(<= 8100 (+ ULTIMATE.start_main_~x~4 (* 23 ULTIMATE.start_main_~y~4))), 21871#(<= 8188 (+ ULTIMATE.start_main_~x~4 (* 22 ULTIMATE.start_main_~y~4))), 21872#(<= 8272 (+ ULTIMATE.start_main_~x~4 (* 21 ULTIMATE.start_main_~y~4))), 21873#(<= 8352 (+ ULTIMATE.start_main_~x~4 (* 20 ULTIMATE.start_main_~y~4))), 21874#(<= 8428 (+ ULTIMATE.start_main_~x~4 (* 19 ULTIMATE.start_main_~y~4))), 21875#(<= 8500 (+ ULTIMATE.start_main_~x~4 (* 18 ULTIMATE.start_main_~y~4))), 21876#(<= 8568 (+ ULTIMATE.start_main_~x~4 (* 17 ULTIMATE.start_main_~y~4))), 21877#(<= 8632 (+ ULTIMATE.start_main_~x~4 (* 16 ULTIMATE.start_main_~y~4))), 21878#(<= 8692 (+ ULTIMATE.start_main_~x~4 (* 15 ULTIMATE.start_main_~y~4))), 21879#(<= 8748 (+ ULTIMATE.start_main_~x~4 (* 14 ULTIMATE.start_main_~y~4))), 21880#(<= 8800 (+ ULTIMATE.start_main_~x~4 (* 13 ULTIMATE.start_main_~y~4))), 21881#(<= 8848 (+ ULTIMATE.start_main_~x~4 (* 12 ULTIMATE.start_main_~y~4))), 21882#(<= 8892 (+ ULTIMATE.start_main_~x~4 (* 11 ULTIMATE.start_main_~y~4))), 21883#(<= 8932 (+ ULTIMATE.start_main_~x~4 (* 10 ULTIMATE.start_main_~y~4))), 21884#(<= 8968 (+ ULTIMATE.start_main_~x~4 (* 9 ULTIMATE.start_main_~y~4))), 21885#(<= 9000 (+ ULTIMATE.start_main_~x~4 (* 8 ULTIMATE.start_main_~y~4))), 21886#(<= 9028 (+ ULTIMATE.start_main_~x~4 (* 7 ULTIMATE.start_main_~y~4))), 21887#(<= 9052 (+ ULTIMATE.start_main_~x~4 (* 6 ULTIMATE.start_main_~y~4)))] [2018-07-23 13:41:50,333 INFO L134 CoverageAnalysis]: Checked inductivity of 4422 backedges. 0 proven. 4422 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-07-23 13:41:50,333 INFO L450 AbstractCegarLoop]: Interpolant automaton has 70 states [2018-07-23 13:41:50,333 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 70 interpolants. [2018-07-23 13:41:50,333 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=137, Invalid=4693, Unknown=0, NotChecked=0, Total=4830 [2018-07-23 13:41:50,334 INFO L87 Difference]: Start difference. First operand 137 states and 137 transitions. Second operand 70 states. [2018-07-23 13:41:51,055 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-07-23 13:41:51,056 INFO L93 Difference]: Finished difference Result 142 states and 142 transitions. [2018-07-23 13:41:51,056 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 70 states. [2018-07-23 13:41:51,056 INFO L78 Accepts]: Start accepts. Automaton has 70 states. Word has length 136 [2018-07-23 13:41:51,056 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-07-23 13:41:51,057 INFO L225 Difference]: With dead ends: 142 [2018-07-23 13:41:51,057 INFO L226 Difference]: Without dead ends: 140 [2018-07-23 13:41:51,057 INFO L575 BasicCegarLoop]: 0 DeclaredPredicates, 69 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 68 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=137, Invalid=4693, Unknown=0, NotChecked=0, Total=4830 [2018-07-23 13:41:51,058 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 140 states. [2018-07-23 13:41:51,090 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 140 to 139. [2018-07-23 13:41:51,091 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 139 states. [2018-07-23 13:41:51,091 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 139 states to 139 states and 139 transitions. [2018-07-23 13:41:51,091 INFO L78 Accepts]: Start accepts. Automaton has 139 states and 139 transitions. Word has length 136 [2018-07-23 13:41:51,091 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-07-23 13:41:51,092 INFO L471 AbstractCegarLoop]: Abstraction has 139 states and 139 transitions. [2018-07-23 13:41:51,092 INFO L472 AbstractCegarLoop]: Interpolant automaton has 70 states. [2018-07-23 13:41:51,092 INFO L276 IsEmpty]: Start isEmpty. Operand 139 states and 139 transitions. [2018-07-23 13:41:51,092 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 139 [2018-07-23 13:41:51,092 INFO L349 BasicCegarLoop]: Found error trace [2018-07-23 13:41:51,092 INFO L357 BasicCegarLoop]: trace histogram [68, 67, 1, 1, 1] [2018-07-23 13:41:51,092 INFO L414 AbstractCegarLoop]: === Iteration 68 === [ULTIMATE.startErr0AssertViolationASSERT]=== [2018-07-23 13:41:51,093 INFO L82 PathProgramCache]: Analyzing trace with hash 1309578681, now seen corresponding path program 67 times [2018-07-23 13:41:51,093 INFO L69 tionRefinementEngine]: Using refinement strategy FixedRefinementStrategy [2018-07-23 13:41:51,166 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-07-23 13:41:51,603 INFO L134 CoverageAnalysis]: Checked inductivity of 4556 backedges. 0 proven. 4556 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-07-23 13:41:51,603 INFO L309 seRefinementStrategy]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2018-07-23 13:41:51,603 INFO L324 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [70] total 70 [2018-07-23 13:41:51,603 INFO L142 lantAutomatonBuilder]: Constructing canonical interpolant automaton, with selfloop in false state [2018-07-23 13:41:51,604 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-07-23 13:41:51,604 INFO L185 omatonBuilderFactory]: Interpolants [22456#true, 22457#false, 22458#(<= 272 (+ ULTIMATE.start_main_~x~4 (* 68 ULTIMATE.start_main_~y~4))), 22459#(<= 540 (+ ULTIMATE.start_main_~x~4 (* 67 ULTIMATE.start_main_~y~4))), 22460#(<= 804 (+ ULTIMATE.start_main_~x~4 (* 66 ULTIMATE.start_main_~y~4))), 22461#(<= 1064 (+ ULTIMATE.start_main_~x~4 (* 65 ULTIMATE.start_main_~y~4))), 22462#(<= 1320 (+ ULTIMATE.start_main_~x~4 (* 64 ULTIMATE.start_main_~y~4))), 22463#(<= 1572 (+ ULTIMATE.start_main_~x~4 (* 63 ULTIMATE.start_main_~y~4))), 22464#(<= 1820 (+ ULTIMATE.start_main_~x~4 (* 62 ULTIMATE.start_main_~y~4))), 22465#(<= 2064 (+ ULTIMATE.start_main_~x~4 (* 61 ULTIMATE.start_main_~y~4))), 22466#(<= 2304 (+ ULTIMATE.start_main_~x~4 (* 60 ULTIMATE.start_main_~y~4))), 22467#(<= 2540 (+ ULTIMATE.start_main_~x~4 (* 59 ULTIMATE.start_main_~y~4))), 22468#(<= 2772 (+ ULTIMATE.start_main_~x~4 (* 58 ULTIMATE.start_main_~y~4))), 22469#(<= 3000 (+ ULTIMATE.start_main_~x~4 (* 57 ULTIMATE.start_main_~y~4))), 22470#(<= 3224 (+ ULTIMATE.start_main_~x~4 (* 56 ULTIMATE.start_main_~y~4))), 22471#(<= 3444 (+ ULTIMATE.start_main_~x~4 (* 55 ULTIMATE.start_main_~y~4))), 22472#(<= 3660 (+ ULTIMATE.start_main_~x~4 (* 54 ULTIMATE.start_main_~y~4))), 22473#(<= 3872 (+ ULTIMATE.start_main_~x~4 (* 53 ULTIMATE.start_main_~y~4))), 22474#(<= 4080 (+ ULTIMATE.start_main_~x~4 (* 52 ULTIMATE.start_main_~y~4))), 22475#(<= 4284 (+ ULTIMATE.start_main_~x~4 (* 51 ULTIMATE.start_main_~y~4))), 22476#(<= 4484 (+ ULTIMATE.start_main_~x~4 (* 50 ULTIMATE.start_main_~y~4))), 22477#(<= 4680 (+ ULTIMATE.start_main_~x~4 (* 49 ULTIMATE.start_main_~y~4))), 22478#(<= 4872 (+ ULTIMATE.start_main_~x~4 (* 48 ULTIMATE.start_main_~y~4))), 22479#(<= 5060 (+ ULTIMATE.start_main_~x~4 (* 47 ULTIMATE.start_main_~y~4))), 22480#(<= 5244 (+ ULTIMATE.start_main_~x~4 (* 46 ULTIMATE.start_main_~y~4))), 22481#(<= 5424 (+ ULTIMATE.start_main_~x~4 (* 45 ULTIMATE.start_main_~y~4))), 22482#(<= 5600 (+ ULTIMATE.start_main_~x~4 (* 44 ULTIMATE.start_main_~y~4))), 22483#(<= 5772 (+ ULTIMATE.start_main_~x~4 (* 43 ULTIMATE.start_main_~y~4))), 22484#(<= 5940 (+ ULTIMATE.start_main_~x~4 (* 42 ULTIMATE.start_main_~y~4))), 22485#(<= 6104 (+ ULTIMATE.start_main_~x~4 (* 41 ULTIMATE.start_main_~y~4))), 22486#(<= 6264 (+ ULTIMATE.start_main_~x~4 (* 40 ULTIMATE.start_main_~y~4))), 22487#(<= 6420 (+ ULTIMATE.start_main_~x~4 (* 39 ULTIMATE.start_main_~y~4))), 22488#(<= 6572 (+ ULTIMATE.start_main_~x~4 (* 38 ULTIMATE.start_main_~y~4))), 22489#(<= 6720 (+ ULTIMATE.start_main_~x~4 (* 37 ULTIMATE.start_main_~y~4))), 22490#(<= 6864 (+ ULTIMATE.start_main_~x~4 (* 36 ULTIMATE.start_main_~y~4))), 22491#(<= 7004 (+ ULTIMATE.start_main_~x~4 (* 35 ULTIMATE.start_main_~y~4))), 22492#(<= 7140 (+ ULTIMATE.start_main_~x~4 (* 34 ULTIMATE.start_main_~y~4))), 22493#(<= 7272 (+ ULTIMATE.start_main_~x~4 (* 33 ULTIMATE.start_main_~y~4))), 22494#(<= 7400 (+ ULTIMATE.start_main_~x~4 (* 32 ULTIMATE.start_main_~y~4))), 22495#(<= 7524 (+ ULTIMATE.start_main_~x~4 (* 31 ULTIMATE.start_main_~y~4))), 22496#(<= 7644 (+ ULTIMATE.start_main_~x~4 (* 30 ULTIMATE.start_main_~y~4))), 22497#(<= 7760 (+ ULTIMATE.start_main_~x~4 (* 29 ULTIMATE.start_main_~y~4))), 22498#(<= 7872 (+ ULTIMATE.start_main_~x~4 (* 28 ULTIMATE.start_main_~y~4))), 22499#(<= 7980 (+ ULTIMATE.start_main_~x~4 (* 27 ULTIMATE.start_main_~y~4))), 22500#(<= 8084 (+ ULTIMATE.start_main_~x~4 (* 26 ULTIMATE.start_main_~y~4))), 22501#(<= 8184 (+ ULTIMATE.start_main_~x~4 (* 25 ULTIMATE.start_main_~y~4))), 22502#(<= 8280 (+ ULTIMATE.start_main_~x~4 (* 24 ULTIMATE.start_main_~y~4))), 22503#(<= 8372 (+ ULTIMATE.start_main_~x~4 (* 23 ULTIMATE.start_main_~y~4))), 22504#(<= 8460 (+ ULTIMATE.start_main_~x~4 (* 22 ULTIMATE.start_main_~y~4))), 22505#(<= 8544 (+ ULTIMATE.start_main_~x~4 (* 21 ULTIMATE.start_main_~y~4))), 22506#(<= 8624 (+ ULTIMATE.start_main_~x~4 (* 20 ULTIMATE.start_main_~y~4))), 22507#(<= 8700 (+ ULTIMATE.start_main_~x~4 (* 19 ULTIMATE.start_main_~y~4))), 22508#(<= 8772 (+ ULTIMATE.start_main_~x~4 (* 18 ULTIMATE.start_main_~y~4))), 22509#(<= 8840 (+ ULTIMATE.start_main_~x~4 (* 17 ULTIMATE.start_main_~y~4))), 22510#(<= 8904 (+ ULTIMATE.start_main_~x~4 (* 16 ULTIMATE.start_main_~y~4))), 22511#(<= 8964 (+ ULTIMATE.start_main_~x~4 (* 15 ULTIMATE.start_main_~y~4))), 22512#(<= 9020 (+ ULTIMATE.start_main_~x~4 (* 14 ULTIMATE.start_main_~y~4))), 22513#(<= 9072 (+ ULTIMATE.start_main_~x~4 (* 13 ULTIMATE.start_main_~y~4))), 22514#(<= 9120 (+ ULTIMATE.start_main_~x~4 (* 12 ULTIMATE.start_main_~y~4))), 22515#(<= 9164 (+ ULTIMATE.start_main_~x~4 (* 11 ULTIMATE.start_main_~y~4))), 22516#(<= 9204 (+ ULTIMATE.start_main_~x~4 (* 10 ULTIMATE.start_main_~y~4))), 22517#(<= 9240 (+ ULTIMATE.start_main_~x~4 (* 9 ULTIMATE.start_main_~y~4))), 22518#(<= 9272 (+ ULTIMATE.start_main_~x~4 (* 8 ULTIMATE.start_main_~y~4))), 22519#(<= 9300 (+ ULTIMATE.start_main_~x~4 (* 7 ULTIMATE.start_main_~y~4))), 22520#(<= 9324 (+ ULTIMATE.start_main_~x~4 (* 6 ULTIMATE.start_main_~y~4))), 22521#(<= 9344 (+ ULTIMATE.start_main_~x~4 (* 5 ULTIMATE.start_main_~y~4))), 22522#(<= 9360 (+ ULTIMATE.start_main_~x~4 (* 4 ULTIMATE.start_main_~y~4))), 22523#(<= 9372 (+ ULTIMATE.start_main_~x~4 (* 3 ULTIMATE.start_main_~y~4))), 22524#(<= 9380 (+ ULTIMATE.start_main_~x~4 (* 2 ULTIMATE.start_main_~y~4))), 22525#(<= 9384 (+ ULTIMATE.start_main_~x~4 ULTIMATE.start_main_~y~4)), 22526#(<= 1 ULTIMATE.start___VERIFIER_assert_~cond)] [2018-07-23 13:41:51,604 INFO L134 CoverageAnalysis]: Checked inductivity of 4556 backedges. 0 proven. 4556 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-07-23 13:41:51,604 INFO L450 AbstractCegarLoop]: Interpolant automaton has 71 states [2018-07-23 13:41:51,605 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 71 interpolants. [2018-07-23 13:41:51,605 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=139, Invalid=4831, Unknown=0, NotChecked=0, Total=4970 [2018-07-23 13:41:51,605 INFO L87 Difference]: Start difference. First operand 139 states and 139 transitions. Second operand 71 states. [2018-07-23 13:41:52,814 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-07-23 13:41:52,814 INFO L93 Difference]: Finished difference Result 144 states and 144 transitions. [2018-07-23 13:41:52,814 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 71 states. [2018-07-23 13:41:52,814 INFO L78 Accepts]: Start accepts. Automaton has 71 states. Word has length 138 [2018-07-23 13:41:52,815 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-07-23 13:41:52,815 INFO L225 Difference]: With dead ends: 144 [2018-07-23 13:41:52,816 INFO L226 Difference]: Without dead ends: 142 [2018-07-23 13:41:52,816 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 13:41:52,816 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 142 states. [2018-07-23 13:41:52,869 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 142 to 141. [2018-07-23 13:41:52,869 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 141 states. [2018-07-23 13:41:52,870 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 141 states to 141 states and 141 transitions. [2018-07-23 13:41:52,870 INFO L78 Accepts]: Start accepts. Automaton has 141 states and 141 transitions. Word has length 138 [2018-07-23 13:41:52,870 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-07-23 13:41:52,870 INFO L471 AbstractCegarLoop]: Abstraction has 141 states and 141 transitions. [2018-07-23 13:41:52,870 INFO L472 AbstractCegarLoop]: Interpolant automaton has 71 states. [2018-07-23 13:41:52,871 INFO L276 IsEmpty]: Start isEmpty. Operand 141 states and 141 transitions. [2018-07-23 13:41:52,871 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 141 [2018-07-23 13:41:52,871 INFO L349 BasicCegarLoop]: Found error trace [2018-07-23 13:41:52,872 INFO L357 BasicCegarLoop]: trace histogram [69, 68, 1, 1, 1] [2018-07-23 13:41:52,872 INFO L414 AbstractCegarLoop]: === Iteration 69 === [ULTIMATE.startErr0AssertViolationASSERT]=== [2018-07-23 13:41:52,872 INFO L82 PathProgramCache]: Analyzing trace with hash 79641411, now seen corresponding path program 68 times [2018-07-23 13:41:52,872 INFO L69 tionRefinementEngine]: Using refinement strategy FixedRefinementStrategy [2018-07-23 13:41:52,993 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-07-23 13:41:53,462 INFO L134 CoverageAnalysis]: Checked inductivity of 4692 backedges. 0 proven. 4692 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-07-23 13:41:53,462 INFO L309 seRefinementStrategy]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2018-07-23 13:41:53,463 INFO L324 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [71] total 71 [2018-07-23 13:41:53,463 INFO L142 lantAutomatonBuilder]: Constructing canonical interpolant automaton, with selfloop in false state [2018-07-23 13:41:53,463 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-07-23 13:41:53,463 INFO L185 omatonBuilderFactory]: Interpolants [23168#(<= 1 ULTIMATE.start___VERIFIER_assert_~cond), 23097#true, 23098#false, 23099#(<= 276 (+ ULTIMATE.start_main_~x~4 (* 69 ULTIMATE.start_main_~y~4))), 23100#(<= 548 (+ ULTIMATE.start_main_~x~4 (* 68 ULTIMATE.start_main_~y~4))), 23101#(<= 816 (+ ULTIMATE.start_main_~x~4 (* 67 ULTIMATE.start_main_~y~4))), 23102#(<= 1080 (+ ULTIMATE.start_main_~x~4 (* 66 ULTIMATE.start_main_~y~4))), 23103#(<= 1340 (+ ULTIMATE.start_main_~x~4 (* 65 ULTIMATE.start_main_~y~4))), 23104#(<= 1596 (+ ULTIMATE.start_main_~x~4 (* 64 ULTIMATE.start_main_~y~4))), 23105#(<= 1848 (+ ULTIMATE.start_main_~x~4 (* 63 ULTIMATE.start_main_~y~4))), 23106#(<= 2096 (+ ULTIMATE.start_main_~x~4 (* 62 ULTIMATE.start_main_~y~4))), 23107#(<= 2340 (+ ULTIMATE.start_main_~x~4 (* 61 ULTIMATE.start_main_~y~4))), 23108#(<= 2580 (+ ULTIMATE.start_main_~x~4 (* 60 ULTIMATE.start_main_~y~4))), 23109#(<= 2816 (+ ULTIMATE.start_main_~x~4 (* 59 ULTIMATE.start_main_~y~4))), 23110#(<= 3048 (+ ULTIMATE.start_main_~x~4 (* 58 ULTIMATE.start_main_~y~4))), 23111#(<= 3276 (+ ULTIMATE.start_main_~x~4 (* 57 ULTIMATE.start_main_~y~4))), 23112#(<= 3500 (+ ULTIMATE.start_main_~x~4 (* 56 ULTIMATE.start_main_~y~4))), 23113#(<= 3720 (+ ULTIMATE.start_main_~x~4 (* 55 ULTIMATE.start_main_~y~4))), 23114#(<= 3936 (+ ULTIMATE.start_main_~x~4 (* 54 ULTIMATE.start_main_~y~4))), 23115#(<= 4148 (+ ULTIMATE.start_main_~x~4 (* 53 ULTIMATE.start_main_~y~4))), 23116#(<= 4356 (+ ULTIMATE.start_main_~x~4 (* 52 ULTIMATE.start_main_~y~4))), 23117#(<= 4560 (+ ULTIMATE.start_main_~x~4 (* 51 ULTIMATE.start_main_~y~4))), 23118#(<= 4760 (+ ULTIMATE.start_main_~x~4 (* 50 ULTIMATE.start_main_~y~4))), 23119#(<= 4956 (+ ULTIMATE.start_main_~x~4 (* 49 ULTIMATE.start_main_~y~4))), 23120#(<= 5148 (+ ULTIMATE.start_main_~x~4 (* 48 ULTIMATE.start_main_~y~4))), 23121#(<= 5336 (+ ULTIMATE.start_main_~x~4 (* 47 ULTIMATE.start_main_~y~4))), 23122#(<= 5520 (+ ULTIMATE.start_main_~x~4 (* 46 ULTIMATE.start_main_~y~4))), 23123#(<= 5700 (+ ULTIMATE.start_main_~x~4 (* 45 ULTIMATE.start_main_~y~4))), 23124#(<= 5876 (+ ULTIMATE.start_main_~x~4 (* 44 ULTIMATE.start_main_~y~4))), 23125#(<= 6048 (+ ULTIMATE.start_main_~x~4 (* 43 ULTIMATE.start_main_~y~4))), 23126#(<= 6216 (+ ULTIMATE.start_main_~x~4 (* 42 ULTIMATE.start_main_~y~4))), 23127#(<= 6380 (+ ULTIMATE.start_main_~x~4 (* 41 ULTIMATE.start_main_~y~4))), 23128#(<= 6540 (+ ULTIMATE.start_main_~x~4 (* 40 ULTIMATE.start_main_~y~4))), 23129#(<= 6696 (+ ULTIMATE.start_main_~x~4 (* 39 ULTIMATE.start_main_~y~4))), 23130#(<= 6848 (+ ULTIMATE.start_main_~x~4 (* 38 ULTIMATE.start_main_~y~4))), 23131#(<= 6996 (+ ULTIMATE.start_main_~x~4 (* 37 ULTIMATE.start_main_~y~4))), 23132#(<= 7140 (+ ULTIMATE.start_main_~x~4 (* 36 ULTIMATE.start_main_~y~4))), 23133#(<= 7280 (+ ULTIMATE.start_main_~x~4 (* 35 ULTIMATE.start_main_~y~4))), 23134#(<= 7416 (+ ULTIMATE.start_main_~x~4 (* 34 ULTIMATE.start_main_~y~4))), 23135#(<= 7548 (+ ULTIMATE.start_main_~x~4 (* 33 ULTIMATE.start_main_~y~4))), 23136#(<= 7676 (+ ULTIMATE.start_main_~x~4 (* 32 ULTIMATE.start_main_~y~4))), 23137#(<= 7800 (+ ULTIMATE.start_main_~x~4 (* 31 ULTIMATE.start_main_~y~4))), 23138#(<= 7920 (+ ULTIMATE.start_main_~x~4 (* 30 ULTIMATE.start_main_~y~4))), 23139#(<= 8036 (+ ULTIMATE.start_main_~x~4 (* 29 ULTIMATE.start_main_~y~4))), 23140#(<= 8148 (+ ULTIMATE.start_main_~x~4 (* 28 ULTIMATE.start_main_~y~4))), 23141#(<= 8256 (+ ULTIMATE.start_main_~x~4 (* 27 ULTIMATE.start_main_~y~4))), 23142#(<= 8360 (+ ULTIMATE.start_main_~x~4 (* 26 ULTIMATE.start_main_~y~4))), 23143#(<= 8460 (+ ULTIMATE.start_main_~x~4 (* 25 ULTIMATE.start_main_~y~4))), 23144#(<= 8556 (+ ULTIMATE.start_main_~x~4 (* 24 ULTIMATE.start_main_~y~4))), 23145#(<= 8648 (+ ULTIMATE.start_main_~x~4 (* 23 ULTIMATE.start_main_~y~4))), 23146#(<= 8736 (+ ULTIMATE.start_main_~x~4 (* 22 ULTIMATE.start_main_~y~4))), 23147#(<= 8820 (+ ULTIMATE.start_main_~x~4 (* 21 ULTIMATE.start_main_~y~4))), 23148#(<= 8900 (+ ULTIMATE.start_main_~x~4 (* 20 ULTIMATE.start_main_~y~4))), 23149#(<= 8976 (+ ULTIMATE.start_main_~x~4 (* 19 ULTIMATE.start_main_~y~4))), 23150#(<= 9048 (+ ULTIMATE.start_main_~x~4 (* 18 ULTIMATE.start_main_~y~4))), 23151#(<= 9116 (+ ULTIMATE.start_main_~x~4 (* 17 ULTIMATE.start_main_~y~4))), 23152#(<= 9180 (+ ULTIMATE.start_main_~x~4 (* 16 ULTIMATE.start_main_~y~4))), 23153#(<= 9240 (+ ULTIMATE.start_main_~x~4 (* 15 ULTIMATE.start_main_~y~4))), 23154#(<= 9296 (+ ULTIMATE.start_main_~x~4 (* 14 ULTIMATE.start_main_~y~4))), 23155#(<= 9348 (+ ULTIMATE.start_main_~x~4 (* 13 ULTIMATE.start_main_~y~4))), 23156#(<= 9396 (+ ULTIMATE.start_main_~x~4 (* 12 ULTIMATE.start_main_~y~4))), 23157#(<= 9440 (+ ULTIMATE.start_main_~x~4 (* 11 ULTIMATE.start_main_~y~4))), 23158#(<= 9480 (+ ULTIMATE.start_main_~x~4 (* 10 ULTIMATE.start_main_~y~4))), 23159#(<= 9516 (+ ULTIMATE.start_main_~x~4 (* 9 ULTIMATE.start_main_~y~4))), 23160#(<= 9548 (+ ULTIMATE.start_main_~x~4 (* 8 ULTIMATE.start_main_~y~4))), 23161#(<= 9576 (+ ULTIMATE.start_main_~x~4 (* 7 ULTIMATE.start_main_~y~4))), 23162#(<= 9600 (+ ULTIMATE.start_main_~x~4 (* 6 ULTIMATE.start_main_~y~4))), 23163#(<= 9620 (+ ULTIMATE.start_main_~x~4 (* 5 ULTIMATE.start_main_~y~4))), 23164#(<= 9636 (+ ULTIMATE.start_main_~x~4 (* 4 ULTIMATE.start_main_~y~4))), 23165#(<= 9648 (+ ULTIMATE.start_main_~x~4 (* 3 ULTIMATE.start_main_~y~4))), 23166#(<= 9656 (+ ULTIMATE.start_main_~x~4 (* 2 ULTIMATE.start_main_~y~4))), 23167#(<= 9660 (+ ULTIMATE.start_main_~x~4 ULTIMATE.start_main_~y~4))] [2018-07-23 13:41:53,464 INFO L134 CoverageAnalysis]: Checked inductivity of 4692 backedges. 0 proven. 4692 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-07-23 13:41:53,464 INFO L450 AbstractCegarLoop]: Interpolant automaton has 72 states [2018-07-23 13:41:53,464 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 72 interpolants. [2018-07-23 13:41:53,464 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=141, Invalid=4971, Unknown=0, NotChecked=0, Total=5112 [2018-07-23 13:41:53,465 INFO L87 Difference]: Start difference. First operand 141 states and 141 transitions. Second operand 72 states. [2018-07-23 13:41:54,373 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-07-23 13:41:54,373 INFO L93 Difference]: Finished difference Result 146 states and 146 transitions. [2018-07-23 13:41:54,373 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 72 states. [2018-07-23 13:41:54,373 INFO L78 Accepts]: Start accepts. Automaton has 72 states. Word has length 140 [2018-07-23 13:41:54,374 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-07-23 13:41:54,374 INFO L225 Difference]: With dead ends: 146 [2018-07-23 13:41:54,375 INFO L226 Difference]: Without dead ends: 144 [2018-07-23 13:41:54,375 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 13:41:54,375 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 144 states. [2018-07-23 13:41:54,425 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 144 to 143. [2018-07-23 13:41:54,425 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 143 states. [2018-07-23 13:41:54,426 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 143 states to 143 states and 143 transitions. [2018-07-23 13:41:54,426 INFO L78 Accepts]: Start accepts. Automaton has 143 states and 143 transitions. Word has length 140 [2018-07-23 13:41:54,426 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-07-23 13:41:54,426 INFO L471 AbstractCegarLoop]: Abstraction has 143 states and 143 transitions. [2018-07-23 13:41:54,426 INFO L472 AbstractCegarLoop]: Interpolant automaton has 72 states. [2018-07-23 13:41:54,426 INFO L276 IsEmpty]: Start isEmpty. Operand 143 states and 143 transitions. [2018-07-23 13:41:54,427 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 143 [2018-07-23 13:41:54,427 INFO L349 BasicCegarLoop]: Found error trace [2018-07-23 13:41:54,427 INFO L357 BasicCegarLoop]: trace histogram [70, 69, 1, 1, 1] [2018-07-23 13:41:54,428 INFO L414 AbstractCegarLoop]: === Iteration 70 === [ULTIMATE.startErr0AssertViolationASSERT]=== [2018-07-23 13:41:54,428 INFO L82 PathProgramCache]: Analyzing trace with hash -774068659, now seen corresponding path program 69 times [2018-07-23 13:41:54,428 INFO L69 tionRefinementEngine]: Using refinement strategy FixedRefinementStrategy [2018-07-23 13:41:54,523 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-07-23 13:41:55,002 INFO L134 CoverageAnalysis]: Checked inductivity of 4830 backedges. 0 proven. 4830 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-07-23 13:41:55,002 INFO L309 seRefinementStrategy]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2018-07-23 13:41:55,003 INFO L324 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [72] total 72 [2018-07-23 13:41:55,003 INFO L142 lantAutomatonBuilder]: Constructing canonical interpolant automaton, with selfloop in false state [2018-07-23 13:41:55,003 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-07-23 13:41:55,003 INFO L185 omatonBuilderFactory]: Interpolants [23808#(<= 9720 (+ ULTIMATE.start_main_~x~4 (* 11 ULTIMATE.start_main_~y~4))), 23809#(<= 9760 (+ ULTIMATE.start_main_~x~4 (* 10 ULTIMATE.start_main_~y~4))), 23810#(<= 9796 (+ ULTIMATE.start_main_~x~4 (* 9 ULTIMATE.start_main_~y~4))), 23811#(<= 9828 (+ ULTIMATE.start_main_~x~4 (* 8 ULTIMATE.start_main_~y~4))), 23812#(<= 9856 (+ ULTIMATE.start_main_~x~4 (* 7 ULTIMATE.start_main_~y~4))), 23813#(<= 9880 (+ ULTIMATE.start_main_~x~4 (* 6 ULTIMATE.start_main_~y~4))), 23814#(<= 9900 (+ ULTIMATE.start_main_~x~4 (* 5 ULTIMATE.start_main_~y~4))), 23815#(<= 9916 (+ ULTIMATE.start_main_~x~4 (* 4 ULTIMATE.start_main_~y~4))), 23816#(<= 9928 (+ ULTIMATE.start_main_~x~4 (* 3 ULTIMATE.start_main_~y~4))), 23817#(<= 9936 (+ ULTIMATE.start_main_~x~4 (* 2 ULTIMATE.start_main_~y~4))), 23818#(<= 9940 (+ ULTIMATE.start_main_~x~4 ULTIMATE.start_main_~y~4)), 23819#(<= 1 ULTIMATE.start___VERIFIER_assert_~cond), 23747#true, 23748#false, 23749#(<= 280 (+ ULTIMATE.start_main_~x~4 (* 70 ULTIMATE.start_main_~y~4))), 23750#(<= 556 (+ ULTIMATE.start_main_~x~4 (* 69 ULTIMATE.start_main_~y~4))), 23751#(<= 828 (+ ULTIMATE.start_main_~x~4 (* 68 ULTIMATE.start_main_~y~4))), 23752#(<= 1096 (+ ULTIMATE.start_main_~x~4 (* 67 ULTIMATE.start_main_~y~4))), 23753#(<= 1360 (+ ULTIMATE.start_main_~x~4 (* 66 ULTIMATE.start_main_~y~4))), 23754#(<= 1620 (+ ULTIMATE.start_main_~x~4 (* 65 ULTIMATE.start_main_~y~4))), 23755#(<= 1876 (+ ULTIMATE.start_main_~x~4 (* 64 ULTIMATE.start_main_~y~4))), 23756#(<= 2128 (+ ULTIMATE.start_main_~x~4 (* 63 ULTIMATE.start_main_~y~4))), 23757#(<= 2376 (+ ULTIMATE.start_main_~x~4 (* 62 ULTIMATE.start_main_~y~4))), 23758#(<= 2620 (+ ULTIMATE.start_main_~x~4 (* 61 ULTIMATE.start_main_~y~4))), 23759#(<= 2860 (+ ULTIMATE.start_main_~x~4 (* 60 ULTIMATE.start_main_~y~4))), 23760#(<= 3096 (+ ULTIMATE.start_main_~x~4 (* 59 ULTIMATE.start_main_~y~4))), 23761#(<= 3328 (+ ULTIMATE.start_main_~x~4 (* 58 ULTIMATE.start_main_~y~4))), 23762#(<= 3556 (+ ULTIMATE.start_main_~x~4 (* 57 ULTIMATE.start_main_~y~4))), 23763#(<= 3780 (+ ULTIMATE.start_main_~x~4 (* 56 ULTIMATE.start_main_~y~4))), 23764#(<= 4000 (+ ULTIMATE.start_main_~x~4 (* 55 ULTIMATE.start_main_~y~4))), 23765#(<= 4216 (+ ULTIMATE.start_main_~x~4 (* 54 ULTIMATE.start_main_~y~4))), 23766#(<= 4428 (+ ULTIMATE.start_main_~x~4 (* 53 ULTIMATE.start_main_~y~4))), 23767#(<= 4636 (+ ULTIMATE.start_main_~x~4 (* 52 ULTIMATE.start_main_~y~4))), 23768#(<= 4840 (+ ULTIMATE.start_main_~x~4 (* 51 ULTIMATE.start_main_~y~4))), 23769#(<= 5040 (+ ULTIMATE.start_main_~x~4 (* 50 ULTIMATE.start_main_~y~4))), 23770#(<= 5236 (+ ULTIMATE.start_main_~x~4 (* 49 ULTIMATE.start_main_~y~4))), 23771#(<= 5428 (+ ULTIMATE.start_main_~x~4 (* 48 ULTIMATE.start_main_~y~4))), 23772#(<= 5616 (+ ULTIMATE.start_main_~x~4 (* 47 ULTIMATE.start_main_~y~4))), 23773#(<= 5800 (+ ULTIMATE.start_main_~x~4 (* 46 ULTIMATE.start_main_~y~4))), 23774#(<= 5980 (+ ULTIMATE.start_main_~x~4 (* 45 ULTIMATE.start_main_~y~4))), 23775#(<= 6156 (+ ULTIMATE.start_main_~x~4 (* 44 ULTIMATE.start_main_~y~4))), 23776#(<= 6328 (+ ULTIMATE.start_main_~x~4 (* 43 ULTIMATE.start_main_~y~4))), 23777#(<= 6496 (+ ULTIMATE.start_main_~x~4 (* 42 ULTIMATE.start_main_~y~4))), 23778#(<= 6660 (+ ULTIMATE.start_main_~x~4 (* 41 ULTIMATE.start_main_~y~4))), 23779#(<= 6820 (+ ULTIMATE.start_main_~x~4 (* 40 ULTIMATE.start_main_~y~4))), 23780#(<= 6976 (+ ULTIMATE.start_main_~x~4 (* 39 ULTIMATE.start_main_~y~4))), 23781#(<= 7128 (+ ULTIMATE.start_main_~x~4 (* 38 ULTIMATE.start_main_~y~4))), 23782#(<= 7276 (+ ULTIMATE.start_main_~x~4 (* 37 ULTIMATE.start_main_~y~4))), 23783#(<= 7420 (+ ULTIMATE.start_main_~x~4 (* 36 ULTIMATE.start_main_~y~4))), 23784#(<= 7560 (+ ULTIMATE.start_main_~x~4 (* 35 ULTIMATE.start_main_~y~4))), 23785#(<= 7696 (+ ULTIMATE.start_main_~x~4 (* 34 ULTIMATE.start_main_~y~4))), 23786#(<= 7828 (+ ULTIMATE.start_main_~x~4 (* 33 ULTIMATE.start_main_~y~4))), 23787#(<= 7956 (+ ULTIMATE.start_main_~x~4 (* 32 ULTIMATE.start_main_~y~4))), 23788#(<= 8080 (+ ULTIMATE.start_main_~x~4 (* 31 ULTIMATE.start_main_~y~4))), 23789#(<= 8200 (+ ULTIMATE.start_main_~x~4 (* 30 ULTIMATE.start_main_~y~4))), 23790#(<= 8316 (+ ULTIMATE.start_main_~x~4 (* 29 ULTIMATE.start_main_~y~4))), 23791#(<= 8428 (+ ULTIMATE.start_main_~x~4 (* 28 ULTIMATE.start_main_~y~4))), 23792#(<= 8536 (+ ULTIMATE.start_main_~x~4 (* 27 ULTIMATE.start_main_~y~4))), 23793#(<= 8640 (+ ULTIMATE.start_main_~x~4 (* 26 ULTIMATE.start_main_~y~4))), 23794#(<= 8740 (+ ULTIMATE.start_main_~x~4 (* 25 ULTIMATE.start_main_~y~4))), 23795#(<= 8836 (+ ULTIMATE.start_main_~x~4 (* 24 ULTIMATE.start_main_~y~4))), 23796#(<= 8928 (+ ULTIMATE.start_main_~x~4 (* 23 ULTIMATE.start_main_~y~4))), 23797#(<= 9016 (+ ULTIMATE.start_main_~x~4 (* 22 ULTIMATE.start_main_~y~4))), 23798#(<= 9100 (+ ULTIMATE.start_main_~x~4 (* 21 ULTIMATE.start_main_~y~4))), 23799#(<= 9180 (+ ULTIMATE.start_main_~x~4 (* 20 ULTIMATE.start_main_~y~4))), 23800#(<= 9256 (+ ULTIMATE.start_main_~x~4 (* 19 ULTIMATE.start_main_~y~4))), 23801#(<= 9328 (+ ULTIMATE.start_main_~x~4 (* 18 ULTIMATE.start_main_~y~4))), 23802#(<= 9396 (+ ULTIMATE.start_main_~x~4 (* 17 ULTIMATE.start_main_~y~4))), 23803#(<= 9460 (+ ULTIMATE.start_main_~x~4 (* 16 ULTIMATE.start_main_~y~4))), 23804#(<= 9520 (+ ULTIMATE.start_main_~x~4 (* 15 ULTIMATE.start_main_~y~4))), 23805#(<= 9576 (+ ULTIMATE.start_main_~x~4 (* 14 ULTIMATE.start_main_~y~4))), 23806#(<= 9628 (+ ULTIMATE.start_main_~x~4 (* 13 ULTIMATE.start_main_~y~4))), 23807#(<= 9676 (+ ULTIMATE.start_main_~x~4 (* 12 ULTIMATE.start_main_~y~4)))] [2018-07-23 13:41:55,004 INFO L134 CoverageAnalysis]: Checked inductivity of 4830 backedges. 0 proven. 4830 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-07-23 13:41:55,004 INFO L450 AbstractCegarLoop]: Interpolant automaton has 73 states [2018-07-23 13:41:55,004 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 73 interpolants. [2018-07-23 13:41:55,004 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=143, Invalid=5113, Unknown=0, NotChecked=0, Total=5256 [2018-07-23 13:41:55,004 INFO L87 Difference]: Start difference. First operand 143 states and 143 transitions. Second operand 73 states. [2018-07-23 13:41:55,940 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-07-23 13:41:55,941 INFO L93 Difference]: Finished difference Result 148 states and 148 transitions. [2018-07-23 13:41:55,941 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 73 states. [2018-07-23 13:41:55,941 INFO L78 Accepts]: Start accepts. Automaton has 73 states. Word has length 142 [2018-07-23 13:41:55,941 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-07-23 13:41:55,942 INFO L225 Difference]: With dead ends: 148 [2018-07-23 13:41:55,942 INFO L226 Difference]: Without dead ends: 146 [2018-07-23 13:41:55,943 INFO L575 BasicCegarLoop]: 0 DeclaredPredicates, 72 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 71 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=143, Invalid=5113, Unknown=0, NotChecked=0, Total=5256 [2018-07-23 13:41:55,943 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 146 states. [2018-07-23 13:41:56,005 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 146 to 145. [2018-07-23 13:41:56,005 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 145 states. [2018-07-23 13:41:56,006 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 145 states to 145 states and 145 transitions. [2018-07-23 13:41:56,006 INFO L78 Accepts]: Start accepts. Automaton has 145 states and 145 transitions. Word has length 142 [2018-07-23 13:41:56,007 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-07-23 13:41:56,007 INFO L471 AbstractCegarLoop]: Abstraction has 145 states and 145 transitions. [2018-07-23 13:41:56,007 INFO L472 AbstractCegarLoop]: Interpolant automaton has 73 states. [2018-07-23 13:41:56,007 INFO L276 IsEmpty]: Start isEmpty. Operand 145 states and 145 transitions. [2018-07-23 13:41:56,008 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 145 [2018-07-23 13:41:56,008 INFO L349 BasicCegarLoop]: Found error trace [2018-07-23 13:41:56,008 INFO L357 BasicCegarLoop]: trace histogram [71, 70, 1, 1, 1] [2018-07-23 13:41:56,008 INFO L414 AbstractCegarLoop]: === Iteration 71 === [ULTIMATE.startErr0AssertViolationASSERT]=== [2018-07-23 13:41:56,009 INFO L82 PathProgramCache]: Analyzing trace with hash -850692393, now seen corresponding path program 70 times [2018-07-23 13:41:56,009 INFO L69 tionRefinementEngine]: Using refinement strategy FixedRefinementStrategy [2018-07-23 13:41:56,131 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-07-23 13:41:56,629 INFO L134 CoverageAnalysis]: Checked inductivity of 4970 backedges. 0 proven. 4970 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-07-23 13:41:56,629 INFO L309 seRefinementStrategy]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2018-07-23 13:41:56,629 INFO L324 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [73] total 73 [2018-07-23 13:41:56,630 INFO L142 lantAutomatonBuilder]: Constructing canonical interpolant automaton, with selfloop in false state [2018-07-23 13:41:56,630 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-07-23 13:41:56,630 INFO L185 omatonBuilderFactory]: Interpolants [24448#(<= 8364 (+ ULTIMATE.start_main_~x~4 (* 31 ULTIMATE.start_main_~y~4))), 24449#(<= 8484 (+ ULTIMATE.start_main_~x~4 (* 30 ULTIMATE.start_main_~y~4))), 24450#(<= 8600 (+ ULTIMATE.start_main_~x~4 (* 29 ULTIMATE.start_main_~y~4))), 24451#(<= 8712 (+ ULTIMATE.start_main_~x~4 (* 28 ULTIMATE.start_main_~y~4))), 24452#(<= 8820 (+ ULTIMATE.start_main_~x~4 (* 27 ULTIMATE.start_main_~y~4))), 24453#(<= 8924 (+ ULTIMATE.start_main_~x~4 (* 26 ULTIMATE.start_main_~y~4))), 24454#(<= 9024 (+ ULTIMATE.start_main_~x~4 (* 25 ULTIMATE.start_main_~y~4))), 24455#(<= 9120 (+ ULTIMATE.start_main_~x~4 (* 24 ULTIMATE.start_main_~y~4))), 24456#(<= 9212 (+ ULTIMATE.start_main_~x~4 (* 23 ULTIMATE.start_main_~y~4))), 24457#(<= 9300 (+ ULTIMATE.start_main_~x~4 (* 22 ULTIMATE.start_main_~y~4))), 24458#(<= 9384 (+ ULTIMATE.start_main_~x~4 (* 21 ULTIMATE.start_main_~y~4))), 24459#(<= 9464 (+ ULTIMATE.start_main_~x~4 (* 20 ULTIMATE.start_main_~y~4))), 24460#(<= 9540 (+ ULTIMATE.start_main_~x~4 (* 19 ULTIMATE.start_main_~y~4))), 24461#(<= 9612 (+ ULTIMATE.start_main_~x~4 (* 18 ULTIMATE.start_main_~y~4))), 24462#(<= 9680 (+ ULTIMATE.start_main_~x~4 (* 17 ULTIMATE.start_main_~y~4))), 24463#(<= 9744 (+ ULTIMATE.start_main_~x~4 (* 16 ULTIMATE.start_main_~y~4))), 24464#(<= 9804 (+ ULTIMATE.start_main_~x~4 (* 15 ULTIMATE.start_main_~y~4))), 24465#(<= 9860 (+ ULTIMATE.start_main_~x~4 (* 14 ULTIMATE.start_main_~y~4))), 24466#(<= 9912 (+ ULTIMATE.start_main_~x~4 (* 13 ULTIMATE.start_main_~y~4))), 24467#(<= 9960 (+ ULTIMATE.start_main_~x~4 (* 12 ULTIMATE.start_main_~y~4))), 24468#(<= 10004 (+ ULTIMATE.start_main_~x~4 (* 11 ULTIMATE.start_main_~y~4))), 24469#(<= 10044 (+ ULTIMATE.start_main_~x~4 (* 10 ULTIMATE.start_main_~y~4))), 24470#(<= 10080 (+ ULTIMATE.start_main_~x~4 (* 9 ULTIMATE.start_main_~y~4))), 24471#(<= 10112 (+ ULTIMATE.start_main_~x~4 (* 8 ULTIMATE.start_main_~y~4))), 24472#(<= 10140 (+ ULTIMATE.start_main_~x~4 (* 7 ULTIMATE.start_main_~y~4))), 24473#(<= 10164 (+ ULTIMATE.start_main_~x~4 (* 6 ULTIMATE.start_main_~y~4))), 24474#(<= 10184 (+ ULTIMATE.start_main_~x~4 (* 5 ULTIMATE.start_main_~y~4))), 24475#(<= 10200 (+ ULTIMATE.start_main_~x~4 (* 4 ULTIMATE.start_main_~y~4))), 24476#(<= 10212 (+ ULTIMATE.start_main_~x~4 (* 3 ULTIMATE.start_main_~y~4))), 24477#(<= 10220 (+ ULTIMATE.start_main_~x~4 (* 2 ULTIMATE.start_main_~y~4))), 24478#(<= 10224 (+ ULTIMATE.start_main_~x~4 ULTIMATE.start_main_~y~4)), 24479#(<= 1 ULTIMATE.start___VERIFIER_assert_~cond), 24406#true, 24407#false, 24408#(<= 284 (+ ULTIMATE.start_main_~x~4 (* 71 ULTIMATE.start_main_~y~4))), 24409#(<= 564 (+ ULTIMATE.start_main_~x~4 (* 70 ULTIMATE.start_main_~y~4))), 24410#(<= 840 (+ ULTIMATE.start_main_~x~4 (* 69 ULTIMATE.start_main_~y~4))), 24411#(<= 1112 (+ ULTIMATE.start_main_~x~4 (* 68 ULTIMATE.start_main_~y~4))), 24412#(<= 1380 (+ ULTIMATE.start_main_~x~4 (* 67 ULTIMATE.start_main_~y~4))), 24413#(<= 1644 (+ ULTIMATE.start_main_~x~4 (* 66 ULTIMATE.start_main_~y~4))), 24414#(<= 1904 (+ ULTIMATE.start_main_~x~4 (* 65 ULTIMATE.start_main_~y~4))), 24415#(<= 2160 (+ ULTIMATE.start_main_~x~4 (* 64 ULTIMATE.start_main_~y~4))), 24416#(<= 2412 (+ ULTIMATE.start_main_~x~4 (* 63 ULTIMATE.start_main_~y~4))), 24417#(<= 2660 (+ ULTIMATE.start_main_~x~4 (* 62 ULTIMATE.start_main_~y~4))), 24418#(<= 2904 (+ ULTIMATE.start_main_~x~4 (* 61 ULTIMATE.start_main_~y~4))), 24419#(<= 3144 (+ ULTIMATE.start_main_~x~4 (* 60 ULTIMATE.start_main_~y~4))), 24420#(<= 3380 (+ ULTIMATE.start_main_~x~4 (* 59 ULTIMATE.start_main_~y~4))), 24421#(<= 3612 (+ ULTIMATE.start_main_~x~4 (* 58 ULTIMATE.start_main_~y~4))), 24422#(<= 3840 (+ ULTIMATE.start_main_~x~4 (* 57 ULTIMATE.start_main_~y~4))), 24423#(<= 4064 (+ ULTIMATE.start_main_~x~4 (* 56 ULTIMATE.start_main_~y~4))), 24424#(<= 4284 (+ ULTIMATE.start_main_~x~4 (* 55 ULTIMATE.start_main_~y~4))), 24425#(<= 4500 (+ ULTIMATE.start_main_~x~4 (* 54 ULTIMATE.start_main_~y~4))), 24426#(<= 4712 (+ ULTIMATE.start_main_~x~4 (* 53 ULTIMATE.start_main_~y~4))), 24427#(<= 4920 (+ ULTIMATE.start_main_~x~4 (* 52 ULTIMATE.start_main_~y~4))), 24428#(<= 5124 (+ ULTIMATE.start_main_~x~4 (* 51 ULTIMATE.start_main_~y~4))), 24429#(<= 5324 (+ ULTIMATE.start_main_~x~4 (* 50 ULTIMATE.start_main_~y~4))), 24430#(<= 5520 (+ ULTIMATE.start_main_~x~4 (* 49 ULTIMATE.start_main_~y~4))), 24431#(<= 5712 (+ ULTIMATE.start_main_~x~4 (* 48 ULTIMATE.start_main_~y~4))), 24432#(<= 5900 (+ ULTIMATE.start_main_~x~4 (* 47 ULTIMATE.start_main_~y~4))), 24433#(<= 6084 (+ ULTIMATE.start_main_~x~4 (* 46 ULTIMATE.start_main_~y~4))), 24434#(<= 6264 (+ ULTIMATE.start_main_~x~4 (* 45 ULTIMATE.start_main_~y~4))), 24435#(<= 6440 (+ ULTIMATE.start_main_~x~4 (* 44 ULTIMATE.start_main_~y~4))), 24436#(<= 6612 (+ ULTIMATE.start_main_~x~4 (* 43 ULTIMATE.start_main_~y~4))), 24437#(<= 6780 (+ ULTIMATE.start_main_~x~4 (* 42 ULTIMATE.start_main_~y~4))), 24438#(<= 6944 (+ ULTIMATE.start_main_~x~4 (* 41 ULTIMATE.start_main_~y~4))), 24439#(<= 7104 (+ ULTIMATE.start_main_~x~4 (* 40 ULTIMATE.start_main_~y~4))), 24440#(<= 7260 (+ ULTIMATE.start_main_~x~4 (* 39 ULTIMATE.start_main_~y~4))), 24441#(<= 7412 (+ ULTIMATE.start_main_~x~4 (* 38 ULTIMATE.start_main_~y~4))), 24442#(<= 7560 (+ ULTIMATE.start_main_~x~4 (* 37 ULTIMATE.start_main_~y~4))), 24443#(<= 7704 (+ ULTIMATE.start_main_~x~4 (* 36 ULTIMATE.start_main_~y~4))), 24444#(<= 7844 (+ ULTIMATE.start_main_~x~4 (* 35 ULTIMATE.start_main_~y~4))), 24445#(<= 7980 (+ ULTIMATE.start_main_~x~4 (* 34 ULTIMATE.start_main_~y~4))), 24446#(<= 8112 (+ ULTIMATE.start_main_~x~4 (* 33 ULTIMATE.start_main_~y~4))), 24447#(<= 8240 (+ ULTIMATE.start_main_~x~4 (* 32 ULTIMATE.start_main_~y~4)))] [2018-07-23 13:41:56,630 INFO L134 CoverageAnalysis]: Checked inductivity of 4970 backedges. 0 proven. 4970 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-07-23 13:41:56,631 INFO L450 AbstractCegarLoop]: Interpolant automaton has 74 states [2018-07-23 13:41:56,631 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 74 interpolants. [2018-07-23 13:41:56,631 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=145, Invalid=5257, Unknown=0, NotChecked=0, Total=5402 [2018-07-23 13:41:56,631 INFO L87 Difference]: Start difference. First operand 145 states and 145 transitions. Second operand 74 states. [2018-07-23 13:41:57,588 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-07-23 13:41:57,588 INFO L93 Difference]: Finished difference Result 150 states and 150 transitions. [2018-07-23 13:41:57,588 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 74 states. [2018-07-23 13:41:57,588 INFO L78 Accepts]: Start accepts. Automaton has 74 states. Word has length 144 [2018-07-23 13:41:57,589 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-07-23 13:41:57,589 INFO L225 Difference]: With dead ends: 150 [2018-07-23 13:41:57,589 INFO L226 Difference]: Without dead ends: 148 [2018-07-23 13:41:57,590 INFO L575 BasicCegarLoop]: 0 DeclaredPredicates, 73 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 72 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=145, Invalid=5257, Unknown=0, NotChecked=0, Total=5402 [2018-07-23 13:41:57,590 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 148 states. [2018-07-23 13:41:57,627 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 148 to 147. [2018-07-23 13:41:57,628 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 147 states. [2018-07-23 13:41:57,628 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 147 states to 147 states and 147 transitions. [2018-07-23 13:41:57,628 INFO L78 Accepts]: Start accepts. Automaton has 147 states and 147 transitions. Word has length 144 [2018-07-23 13:41:57,628 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-07-23 13:41:57,628 INFO L471 AbstractCegarLoop]: Abstraction has 147 states and 147 transitions. [2018-07-23 13:41:57,629 INFO L472 AbstractCegarLoop]: Interpolant automaton has 74 states. [2018-07-23 13:41:57,629 INFO L276 IsEmpty]: Start isEmpty. Operand 147 states and 147 transitions. [2018-07-23 13:41:57,629 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 147 [2018-07-23 13:41:57,629 INFO L349 BasicCegarLoop]: Found error trace [2018-07-23 13:41:57,629 INFO L357 BasicCegarLoop]: trace histogram [72, 71, 1, 1, 1] [2018-07-23 13:41:57,629 INFO L414 AbstractCegarLoop]: === Iteration 72 === [ULTIMATE.startErr0AssertViolationASSERT]=== [2018-07-23 13:41:57,630 INFO L82 PathProgramCache]: Analyzing trace with hash -1471656735, now seen corresponding path program 71 times [2018-07-23 13:41:57,630 INFO L69 tionRefinementEngine]: Using refinement strategy FixedRefinementStrategy [2018-07-23 13:41:57,716 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-07-23 13:41:58,228 INFO L134 CoverageAnalysis]: Checked inductivity of 5112 backedges. 0 proven. 5112 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-07-23 13:41:58,228 INFO L309 seRefinementStrategy]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2018-07-23 13:41:58,229 INFO L324 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [74] total 74 [2018-07-23 13:41:58,229 INFO L142 lantAutomatonBuilder]: Constructing canonical interpolant automaton, with selfloop in false state [2018-07-23 13:41:58,229 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-07-23 13:41:58,229 INFO L185 omatonBuilderFactory]: Interpolants [25088#(<= 3432 (+ ULTIMATE.start_main_~x~4 (* 60 ULTIMATE.start_main_~y~4))), 25089#(<= 3668 (+ ULTIMATE.start_main_~x~4 (* 59 ULTIMATE.start_main_~y~4))), 25090#(<= 3900 (+ ULTIMATE.start_main_~x~4 (* 58 ULTIMATE.start_main_~y~4))), 25091#(<= 4128 (+ ULTIMATE.start_main_~x~4 (* 57 ULTIMATE.start_main_~y~4))), 25092#(<= 4352 (+ ULTIMATE.start_main_~x~4 (* 56 ULTIMATE.start_main_~y~4))), 25093#(<= 4572 (+ ULTIMATE.start_main_~x~4 (* 55 ULTIMATE.start_main_~y~4))), 25094#(<= 4788 (+ ULTIMATE.start_main_~x~4 (* 54 ULTIMATE.start_main_~y~4))), 25095#(<= 5000 (+ ULTIMATE.start_main_~x~4 (* 53 ULTIMATE.start_main_~y~4))), 25096#(<= 5208 (+ ULTIMATE.start_main_~x~4 (* 52 ULTIMATE.start_main_~y~4))), 25097#(<= 5412 (+ ULTIMATE.start_main_~x~4 (* 51 ULTIMATE.start_main_~y~4))), 25098#(<= 5612 (+ ULTIMATE.start_main_~x~4 (* 50 ULTIMATE.start_main_~y~4))), 25099#(<= 5808 (+ ULTIMATE.start_main_~x~4 (* 49 ULTIMATE.start_main_~y~4))), 25100#(<= 6000 (+ ULTIMATE.start_main_~x~4 (* 48 ULTIMATE.start_main_~y~4))), 25101#(<= 6188 (+ ULTIMATE.start_main_~x~4 (* 47 ULTIMATE.start_main_~y~4))), 25102#(<= 6372 (+ ULTIMATE.start_main_~x~4 (* 46 ULTIMATE.start_main_~y~4))), 25103#(<= 6552 (+ ULTIMATE.start_main_~x~4 (* 45 ULTIMATE.start_main_~y~4))), 25104#(<= 6728 (+ ULTIMATE.start_main_~x~4 (* 44 ULTIMATE.start_main_~y~4))), 25105#(<= 6900 (+ ULTIMATE.start_main_~x~4 (* 43 ULTIMATE.start_main_~y~4))), 25106#(<= 7068 (+ ULTIMATE.start_main_~x~4 (* 42 ULTIMATE.start_main_~y~4))), 25107#(<= 7232 (+ ULTIMATE.start_main_~x~4 (* 41 ULTIMATE.start_main_~y~4))), 25108#(<= 7392 (+ ULTIMATE.start_main_~x~4 (* 40 ULTIMATE.start_main_~y~4))), 25109#(<= 7548 (+ ULTIMATE.start_main_~x~4 (* 39 ULTIMATE.start_main_~y~4))), 25110#(<= 7700 (+ ULTIMATE.start_main_~x~4 (* 38 ULTIMATE.start_main_~y~4))), 25111#(<= 7848 (+ ULTIMATE.start_main_~x~4 (* 37 ULTIMATE.start_main_~y~4))), 25112#(<= 7992 (+ ULTIMATE.start_main_~x~4 (* 36 ULTIMATE.start_main_~y~4))), 25113#(<= 8132 (+ ULTIMATE.start_main_~x~4 (* 35 ULTIMATE.start_main_~y~4))), 25114#(<= 8268 (+ ULTIMATE.start_main_~x~4 (* 34 ULTIMATE.start_main_~y~4))), 25115#(<= 8400 (+ ULTIMATE.start_main_~x~4 (* 33 ULTIMATE.start_main_~y~4))), 25116#(<= 8528 (+ ULTIMATE.start_main_~x~4 (* 32 ULTIMATE.start_main_~y~4))), 25117#(<= 8652 (+ ULTIMATE.start_main_~x~4 (* 31 ULTIMATE.start_main_~y~4))), 25118#(<= 8772 (+ ULTIMATE.start_main_~x~4 (* 30 ULTIMATE.start_main_~y~4))), 25119#(<= 8888 (+ ULTIMATE.start_main_~x~4 (* 29 ULTIMATE.start_main_~y~4))), 25120#(<= 9000 (+ ULTIMATE.start_main_~x~4 (* 28 ULTIMATE.start_main_~y~4))), 25121#(<= 9108 (+ ULTIMATE.start_main_~x~4 (* 27 ULTIMATE.start_main_~y~4))), 25122#(<= 9212 (+ ULTIMATE.start_main_~x~4 (* 26 ULTIMATE.start_main_~y~4))), 25123#(<= 9312 (+ ULTIMATE.start_main_~x~4 (* 25 ULTIMATE.start_main_~y~4))), 25124#(<= 9408 (+ ULTIMATE.start_main_~x~4 (* 24 ULTIMATE.start_main_~y~4))), 25125#(<= 9500 (+ ULTIMATE.start_main_~x~4 (* 23 ULTIMATE.start_main_~y~4))), 25126#(<= 9588 (+ ULTIMATE.start_main_~x~4 (* 22 ULTIMATE.start_main_~y~4))), 25127#(<= 9672 (+ ULTIMATE.start_main_~x~4 (* 21 ULTIMATE.start_main_~y~4))), 25128#(<= 9752 (+ ULTIMATE.start_main_~x~4 (* 20 ULTIMATE.start_main_~y~4))), 25129#(<= 9828 (+ ULTIMATE.start_main_~x~4 (* 19 ULTIMATE.start_main_~y~4))), 25130#(<= 9900 (+ ULTIMATE.start_main_~x~4 (* 18 ULTIMATE.start_main_~y~4))), 25131#(<= 9968 (+ ULTIMATE.start_main_~x~4 (* 17 ULTIMATE.start_main_~y~4))), 25132#(<= 10032 (+ ULTIMATE.start_main_~x~4 (* 16 ULTIMATE.start_main_~y~4))), 25133#(<= 10092 (+ ULTIMATE.start_main_~x~4 (* 15 ULTIMATE.start_main_~y~4))), 25134#(<= 10148 (+ ULTIMATE.start_main_~x~4 (* 14 ULTIMATE.start_main_~y~4))), 25135#(<= 10200 (+ ULTIMATE.start_main_~x~4 (* 13 ULTIMATE.start_main_~y~4))), 25136#(<= 10248 (+ ULTIMATE.start_main_~x~4 (* 12 ULTIMATE.start_main_~y~4))), 25137#(<= 10292 (+ ULTIMATE.start_main_~x~4 (* 11 ULTIMATE.start_main_~y~4))), 25138#(<= 10332 (+ ULTIMATE.start_main_~x~4 (* 10 ULTIMATE.start_main_~y~4))), 25139#(<= 10368 (+ ULTIMATE.start_main_~x~4 (* 9 ULTIMATE.start_main_~y~4))), 25140#(<= 10400 (+ ULTIMATE.start_main_~x~4 (* 8 ULTIMATE.start_main_~y~4))), 25141#(<= 10428 (+ ULTIMATE.start_main_~x~4 (* 7 ULTIMATE.start_main_~y~4))), 25142#(<= 10452 (+ ULTIMATE.start_main_~x~4 (* 6 ULTIMATE.start_main_~y~4))), 25143#(<= 10472 (+ ULTIMATE.start_main_~x~4 (* 5 ULTIMATE.start_main_~y~4))), 25144#(<= 10488 (+ ULTIMATE.start_main_~x~4 (* 4 ULTIMATE.start_main_~y~4))), 25145#(<= 10500 (+ ULTIMATE.start_main_~x~4 (* 3 ULTIMATE.start_main_~y~4))), 25146#(<= 10508 (+ ULTIMATE.start_main_~x~4 (* 2 ULTIMATE.start_main_~y~4))), 25147#(<= 10512 (+ ULTIMATE.start_main_~x~4 ULTIMATE.start_main_~y~4)), 25148#(<= 1 ULTIMATE.start___VERIFIER_assert_~cond), 25074#true, 25075#false, 25076#(<= 288 (+ ULTIMATE.start_main_~x~4 (* 72 ULTIMATE.start_main_~y~4))), 25077#(<= 572 (+ ULTIMATE.start_main_~x~4 (* 71 ULTIMATE.start_main_~y~4))), 25078#(<= 852 (+ ULTIMATE.start_main_~x~4 (* 70 ULTIMATE.start_main_~y~4))), 25079#(<= 1128 (+ ULTIMATE.start_main_~x~4 (* 69 ULTIMATE.start_main_~y~4))), 25080#(<= 1400 (+ ULTIMATE.start_main_~x~4 (* 68 ULTIMATE.start_main_~y~4))), 25081#(<= 1668 (+ ULTIMATE.start_main_~x~4 (* 67 ULTIMATE.start_main_~y~4))), 25082#(<= 1932 (+ ULTIMATE.start_main_~x~4 (* 66 ULTIMATE.start_main_~y~4))), 25083#(<= 2192 (+ ULTIMATE.start_main_~x~4 (* 65 ULTIMATE.start_main_~y~4))), 25084#(<= 2448 (+ ULTIMATE.start_main_~x~4 (* 64 ULTIMATE.start_main_~y~4))), 25085#(<= 2700 (+ ULTIMATE.start_main_~x~4 (* 63 ULTIMATE.start_main_~y~4))), 25086#(<= 2948 (+ ULTIMATE.start_main_~x~4 (* 62 ULTIMATE.start_main_~y~4))), 25087#(<= 3192 (+ ULTIMATE.start_main_~x~4 (* 61 ULTIMATE.start_main_~y~4)))] [2018-07-23 13:41:58,230 INFO L134 CoverageAnalysis]: Checked inductivity of 5112 backedges. 0 proven. 5112 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-07-23 13:41:58,230 INFO L450 AbstractCegarLoop]: Interpolant automaton has 75 states [2018-07-23 13:41:58,230 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 75 interpolants. [2018-07-23 13:41:58,230 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=147, Invalid=5403, Unknown=0, NotChecked=0, Total=5550 [2018-07-23 13:41:58,231 INFO L87 Difference]: Start difference. First operand 147 states and 147 transitions. Second operand 75 states. [2018-07-23 13:41:59,264 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-07-23 13:41:59,264 INFO L93 Difference]: Finished difference Result 152 states and 152 transitions. [2018-07-23 13:41:59,264 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 75 states. [2018-07-23 13:41:59,265 INFO L78 Accepts]: Start accepts. Automaton has 75 states. Word has length 146 [2018-07-23 13:41:59,265 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-07-23 13:41:59,266 INFO L225 Difference]: With dead ends: 152 [2018-07-23 13:41:59,266 INFO L226 Difference]: Without dead ends: 150 [2018-07-23 13:41:59,267 INFO L575 BasicCegarLoop]: 0 DeclaredPredicates, 74 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 73 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=147, Invalid=5403, Unknown=0, NotChecked=0, Total=5550 [2018-07-23 13:41:59,267 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 150 states. [2018-07-23 13:41:59,346 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 150 to 149. [2018-07-23 13:41:59,346 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 149 states. [2018-07-23 13:41:59,347 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 149 states to 149 states and 149 transitions. [2018-07-23 13:41:59,347 INFO L78 Accepts]: Start accepts. Automaton has 149 states and 149 transitions. Word has length 146 [2018-07-23 13:41:59,347 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-07-23 13:41:59,347 INFO L471 AbstractCegarLoop]: Abstraction has 149 states and 149 transitions. [2018-07-23 13:41:59,347 INFO L472 AbstractCegarLoop]: Interpolant automaton has 75 states. [2018-07-23 13:41:59,347 INFO L276 IsEmpty]: Start isEmpty. Operand 149 states and 149 transitions. [2018-07-23 13:41:59,348 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 149 [2018-07-23 13:41:59,348 INFO L349 BasicCegarLoop]: Found error trace [2018-07-23 13:41:59,348 INFO L357 BasicCegarLoop]: trace histogram [73, 72, 1, 1, 1] [2018-07-23 13:41:59,348 INFO L414 AbstractCegarLoop]: === Iteration 73 === [ULTIMATE.startErr0AssertViolationASSERT]=== [2018-07-23 13:41:59,349 INFO L82 PathProgramCache]: Analyzing trace with hash -1217935253, now seen corresponding path program 72 times [2018-07-23 13:41:59,349 INFO L69 tionRefinementEngine]: Using refinement strategy FixedRefinementStrategy [2018-07-23 13:41:59,441 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-07-23 13:41:59,972 INFO L134 CoverageAnalysis]: Checked inductivity of 5256 backedges. 0 proven. 5256 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-07-23 13:41:59,973 INFO L309 seRefinementStrategy]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2018-07-23 13:41:59,973 INFO L324 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [75] total 75 [2018-07-23 13:41:59,973 INFO L142 lantAutomatonBuilder]: Constructing canonical interpolant automaton, with selfloop in false state [2018-07-23 13:41:59,973 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-07-23 13:41:59,973 INFO L185 omatonBuilderFactory]: Interpolants [25751#true, 25752#false, 25753#(<= 292 (+ ULTIMATE.start_main_~x~4 (* 73 ULTIMATE.start_main_~y~4))), 25754#(<= 580 (+ ULTIMATE.start_main_~x~4 (* 72 ULTIMATE.start_main_~y~4))), 25755#(<= 864 (+ ULTIMATE.start_main_~x~4 (* 71 ULTIMATE.start_main_~y~4))), 25756#(<= 1144 (+ ULTIMATE.start_main_~x~4 (* 70 ULTIMATE.start_main_~y~4))), 25757#(<= 1420 (+ ULTIMATE.start_main_~x~4 (* 69 ULTIMATE.start_main_~y~4))), 25758#(<= 1692 (+ ULTIMATE.start_main_~x~4 (* 68 ULTIMATE.start_main_~y~4))), 25759#(<= 1960 (+ ULTIMATE.start_main_~x~4 (* 67 ULTIMATE.start_main_~y~4))), 25760#(<= 2224 (+ ULTIMATE.start_main_~x~4 (* 66 ULTIMATE.start_main_~y~4))), 25761#(<= 2484 (+ ULTIMATE.start_main_~x~4 (* 65 ULTIMATE.start_main_~y~4))), 25762#(<= 2740 (+ ULTIMATE.start_main_~x~4 (* 64 ULTIMATE.start_main_~y~4))), 25763#(<= 2992 (+ ULTIMATE.start_main_~x~4 (* 63 ULTIMATE.start_main_~y~4))), 25764#(<= 3240 (+ ULTIMATE.start_main_~x~4 (* 62 ULTIMATE.start_main_~y~4))), 25765#(<= 3484 (+ ULTIMATE.start_main_~x~4 (* 61 ULTIMATE.start_main_~y~4))), 25766#(<= 3724 (+ ULTIMATE.start_main_~x~4 (* 60 ULTIMATE.start_main_~y~4))), 25767#(<= 3960 (+ ULTIMATE.start_main_~x~4 (* 59 ULTIMATE.start_main_~y~4))), 25768#(<= 4192 (+ ULTIMATE.start_main_~x~4 (* 58 ULTIMATE.start_main_~y~4))), 25769#(<= 4420 (+ ULTIMATE.start_main_~x~4 (* 57 ULTIMATE.start_main_~y~4))), 25770#(<= 4644 (+ ULTIMATE.start_main_~x~4 (* 56 ULTIMATE.start_main_~y~4))), 25771#(<= 4864 (+ ULTIMATE.start_main_~x~4 (* 55 ULTIMATE.start_main_~y~4))), 25772#(<= 5080 (+ ULTIMATE.start_main_~x~4 (* 54 ULTIMATE.start_main_~y~4))), 25773#(<= 5292 (+ ULTIMATE.start_main_~x~4 (* 53 ULTIMATE.start_main_~y~4))), 25774#(<= 5500 (+ ULTIMATE.start_main_~x~4 (* 52 ULTIMATE.start_main_~y~4))), 25775#(<= 5704 (+ ULTIMATE.start_main_~x~4 (* 51 ULTIMATE.start_main_~y~4))), 25776#(<= 5904 (+ ULTIMATE.start_main_~x~4 (* 50 ULTIMATE.start_main_~y~4))), 25777#(<= 6100 (+ ULTIMATE.start_main_~x~4 (* 49 ULTIMATE.start_main_~y~4))), 25778#(<= 6292 (+ ULTIMATE.start_main_~x~4 (* 48 ULTIMATE.start_main_~y~4))), 25779#(<= 6480 (+ ULTIMATE.start_main_~x~4 (* 47 ULTIMATE.start_main_~y~4))), 25780#(<= 6664 (+ ULTIMATE.start_main_~x~4 (* 46 ULTIMATE.start_main_~y~4))), 25781#(<= 6844 (+ ULTIMATE.start_main_~x~4 (* 45 ULTIMATE.start_main_~y~4))), 25782#(<= 7020 (+ ULTIMATE.start_main_~x~4 (* 44 ULTIMATE.start_main_~y~4))), 25783#(<= 7192 (+ ULTIMATE.start_main_~x~4 (* 43 ULTIMATE.start_main_~y~4))), 25784#(<= 7360 (+ ULTIMATE.start_main_~x~4 (* 42 ULTIMATE.start_main_~y~4))), 25785#(<= 7524 (+ ULTIMATE.start_main_~x~4 (* 41 ULTIMATE.start_main_~y~4))), 25786#(<= 7684 (+ ULTIMATE.start_main_~x~4 (* 40 ULTIMATE.start_main_~y~4))), 25787#(<= 7840 (+ ULTIMATE.start_main_~x~4 (* 39 ULTIMATE.start_main_~y~4))), 25788#(<= 7992 (+ ULTIMATE.start_main_~x~4 (* 38 ULTIMATE.start_main_~y~4))), 25789#(<= 8140 (+ ULTIMATE.start_main_~x~4 (* 37 ULTIMATE.start_main_~y~4))), 25790#(<= 8284 (+ ULTIMATE.start_main_~x~4 (* 36 ULTIMATE.start_main_~y~4))), 25791#(<= 8424 (+ ULTIMATE.start_main_~x~4 (* 35 ULTIMATE.start_main_~y~4))), 25792#(<= 8560 (+ ULTIMATE.start_main_~x~4 (* 34 ULTIMATE.start_main_~y~4))), 25793#(<= 8692 (+ ULTIMATE.start_main_~x~4 (* 33 ULTIMATE.start_main_~y~4))), 25794#(<= 8820 (+ ULTIMATE.start_main_~x~4 (* 32 ULTIMATE.start_main_~y~4))), 25795#(<= 8944 (+ ULTIMATE.start_main_~x~4 (* 31 ULTIMATE.start_main_~y~4))), 25796#(<= 9064 (+ ULTIMATE.start_main_~x~4 (* 30 ULTIMATE.start_main_~y~4))), 25797#(<= 9180 (+ ULTIMATE.start_main_~x~4 (* 29 ULTIMATE.start_main_~y~4))), 25798#(<= 9292 (+ ULTIMATE.start_main_~x~4 (* 28 ULTIMATE.start_main_~y~4))), 25799#(<= 9400 (+ ULTIMATE.start_main_~x~4 (* 27 ULTIMATE.start_main_~y~4))), 25800#(<= 9504 (+ ULTIMATE.start_main_~x~4 (* 26 ULTIMATE.start_main_~y~4))), 25801#(<= 9604 (+ ULTIMATE.start_main_~x~4 (* 25 ULTIMATE.start_main_~y~4))), 25802#(<= 9700 (+ ULTIMATE.start_main_~x~4 (* 24 ULTIMATE.start_main_~y~4))), 25803#(<= 9792 (+ ULTIMATE.start_main_~x~4 (* 23 ULTIMATE.start_main_~y~4))), 25804#(<= 9880 (+ ULTIMATE.start_main_~x~4 (* 22 ULTIMATE.start_main_~y~4))), 25805#(<= 9964 (+ ULTIMATE.start_main_~x~4 (* 21 ULTIMATE.start_main_~y~4))), 25806#(<= 10044 (+ ULTIMATE.start_main_~x~4 (* 20 ULTIMATE.start_main_~y~4))), 25807#(<= 10120 (+ ULTIMATE.start_main_~x~4 (* 19 ULTIMATE.start_main_~y~4))), 25808#(<= 10192 (+ ULTIMATE.start_main_~x~4 (* 18 ULTIMATE.start_main_~y~4))), 25809#(<= 10260 (+ ULTIMATE.start_main_~x~4 (* 17 ULTIMATE.start_main_~y~4))), 25810#(<= 10324 (+ ULTIMATE.start_main_~x~4 (* 16 ULTIMATE.start_main_~y~4))), 25811#(<= 10384 (+ ULTIMATE.start_main_~x~4 (* 15 ULTIMATE.start_main_~y~4))), 25812#(<= 10440 (+ ULTIMATE.start_main_~x~4 (* 14 ULTIMATE.start_main_~y~4))), 25813#(<= 10492 (+ ULTIMATE.start_main_~x~4 (* 13 ULTIMATE.start_main_~y~4))), 25814#(<= 10540 (+ ULTIMATE.start_main_~x~4 (* 12 ULTIMATE.start_main_~y~4))), 25815#(<= 10584 (+ ULTIMATE.start_main_~x~4 (* 11 ULTIMATE.start_main_~y~4))), 25816#(<= 10624 (+ ULTIMATE.start_main_~x~4 (* 10 ULTIMATE.start_main_~y~4))), 25817#(<= 10660 (+ ULTIMATE.start_main_~x~4 (* 9 ULTIMATE.start_main_~y~4))), 25818#(<= 10692 (+ ULTIMATE.start_main_~x~4 (* 8 ULTIMATE.start_main_~y~4))), 25819#(<= 10720 (+ ULTIMATE.start_main_~x~4 (* 7 ULTIMATE.start_main_~y~4))), 25820#(<= 10744 (+ ULTIMATE.start_main_~x~4 (* 6 ULTIMATE.start_main_~y~4))), 25821#(<= 10764 (+ ULTIMATE.start_main_~x~4 (* 5 ULTIMATE.start_main_~y~4))), 25822#(<= 10780 (+ ULTIMATE.start_main_~x~4 (* 4 ULTIMATE.start_main_~y~4))), 25823#(<= 10792 (+ ULTIMATE.start_main_~x~4 (* 3 ULTIMATE.start_main_~y~4))), 25824#(<= 10800 (+ ULTIMATE.start_main_~x~4 (* 2 ULTIMATE.start_main_~y~4))), 25825#(<= 10804 (+ ULTIMATE.start_main_~x~4 ULTIMATE.start_main_~y~4)), 25826#(<= 1 ULTIMATE.start___VERIFIER_assert_~cond)] [2018-07-23 13:41:59,974 INFO L134 CoverageAnalysis]: Checked inductivity of 5256 backedges. 0 proven. 5256 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-07-23 13:41:59,974 INFO L450 AbstractCegarLoop]: Interpolant automaton has 76 states [2018-07-23 13:41:59,974 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 76 interpolants. [2018-07-23 13:41:59,975 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=149, Invalid=5551, Unknown=0, NotChecked=0, Total=5700 [2018-07-23 13:41:59,975 INFO L87 Difference]: Start difference. First operand 149 states and 149 transitions. Second operand 76 states. [2018-07-23 13:42:00,943 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-07-23 13:42:00,943 INFO L93 Difference]: Finished difference Result 154 states and 154 transitions. [2018-07-23 13:42:00,943 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 76 states. [2018-07-23 13:42:00,943 INFO L78 Accepts]: Start accepts. Automaton has 76 states. Word has length 148 [2018-07-23 13:42:00,944 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-07-23 13:42:00,945 INFO L225 Difference]: With dead ends: 154 [2018-07-23 13:42:00,945 INFO L226 Difference]: Without dead ends: 152 [2018-07-23 13:42:00,945 INFO L575 BasicCegarLoop]: 0 DeclaredPredicates, 75 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 74 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=149, Invalid=5551, Unknown=0, NotChecked=0, Total=5700 [2018-07-23 13:42:00,945 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 152 states. [2018-07-23 13:42:00,986 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 152 to 151. [2018-07-23 13:42:00,987 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 151 states. [2018-07-23 13:42:00,987 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 151 states to 151 states and 151 transitions. [2018-07-23 13:42:00,987 INFO L78 Accepts]: Start accepts. Automaton has 151 states and 151 transitions. Word has length 148 [2018-07-23 13:42:00,987 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-07-23 13:42:00,988 INFO L471 AbstractCegarLoop]: Abstraction has 151 states and 151 transitions. [2018-07-23 13:42:00,988 INFO L472 AbstractCegarLoop]: Interpolant automaton has 76 states. [2018-07-23 13:42:00,988 INFO L276 IsEmpty]: Start isEmpty. Operand 151 states and 151 transitions. [2018-07-23 13:42:00,988 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 151 [2018-07-23 13:42:00,988 INFO L349 BasicCegarLoop]: Found error trace [2018-07-23 13:42:00,988 INFO L357 BasicCegarLoop]: trace histogram [74, 73, 1, 1, 1] [2018-07-23 13:42:00,989 INFO L414 AbstractCegarLoop]: === Iteration 74 === [ULTIMATE.startErr0AssertViolationASSERT]=== [2018-07-23 13:42:00,989 INFO L82 PathProgramCache]: Analyzing trace with hash 2090240373, now seen corresponding path program 73 times [2018-07-23 13:42:00,989 INFO L69 tionRefinementEngine]: Using refinement strategy FixedRefinementStrategy [2018-07-23 13:42:01,083 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-07-23 13:42:01,635 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 13:42:01,635 INFO L309 seRefinementStrategy]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2018-07-23 13:42:01,635 INFO L324 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [76] total 76 [2018-07-23 13:42:01,635 INFO L142 lantAutomatonBuilder]: Constructing canonical interpolant automaton, with selfloop in false state [2018-07-23 13:42:01,636 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-07-23 13:42:01,636 INFO L185 omatonBuilderFactory]: Interpolants [26496#(<= 10556 (+ ULTIMATE.start_main_~x~4 (* 17 ULTIMATE.start_main_~y~4))), 26497#(<= 10620 (+ ULTIMATE.start_main_~x~4 (* 16 ULTIMATE.start_main_~y~4))), 26498#(<= 10680 (+ ULTIMATE.start_main_~x~4 (* 15 ULTIMATE.start_main_~y~4))), 26499#(<= 10736 (+ ULTIMATE.start_main_~x~4 (* 14 ULTIMATE.start_main_~y~4))), 26500#(<= 10788 (+ ULTIMATE.start_main_~x~4 (* 13 ULTIMATE.start_main_~y~4))), 26501#(<= 10836 (+ ULTIMATE.start_main_~x~4 (* 12 ULTIMATE.start_main_~y~4))), 26502#(<= 10880 (+ ULTIMATE.start_main_~x~4 (* 11 ULTIMATE.start_main_~y~4))), 26503#(<= 10920 (+ ULTIMATE.start_main_~x~4 (* 10 ULTIMATE.start_main_~y~4))), 26504#(<= 10956 (+ ULTIMATE.start_main_~x~4 (* 9 ULTIMATE.start_main_~y~4))), 26505#(<= 10988 (+ ULTIMATE.start_main_~x~4 (* 8 ULTIMATE.start_main_~y~4))), 26506#(<= 11016 (+ ULTIMATE.start_main_~x~4 (* 7 ULTIMATE.start_main_~y~4))), 26507#(<= 11040 (+ ULTIMATE.start_main_~x~4 (* 6 ULTIMATE.start_main_~y~4))), 26508#(<= 11060 (+ ULTIMATE.start_main_~x~4 (* 5 ULTIMATE.start_main_~y~4))), 26509#(<= 11076 (+ ULTIMATE.start_main_~x~4 (* 4 ULTIMATE.start_main_~y~4))), 26510#(<= 11088 (+ ULTIMATE.start_main_~x~4 (* 3 ULTIMATE.start_main_~y~4))), 26511#(<= 11096 (+ ULTIMATE.start_main_~x~4 (* 2 ULTIMATE.start_main_~y~4))), 26512#(<= 11100 (+ ULTIMATE.start_main_~x~4 ULTIMATE.start_main_~y~4)), 26513#(<= 1 ULTIMATE.start___VERIFIER_assert_~cond), 26437#true, 26438#false, 26439#(<= 296 (+ ULTIMATE.start_main_~x~4 (* 74 ULTIMATE.start_main_~y~4))), 26440#(<= 588 (+ ULTIMATE.start_main_~x~4 (* 73 ULTIMATE.start_main_~y~4))), 26441#(<= 876 (+ ULTIMATE.start_main_~x~4 (* 72 ULTIMATE.start_main_~y~4))), 26442#(<= 1160 (+ ULTIMATE.start_main_~x~4 (* 71 ULTIMATE.start_main_~y~4))), 26443#(<= 1440 (+ ULTIMATE.start_main_~x~4 (* 70 ULTIMATE.start_main_~y~4))), 26444#(<= 1716 (+ ULTIMATE.start_main_~x~4 (* 69 ULTIMATE.start_main_~y~4))), 26445#(<= 1988 (+ ULTIMATE.start_main_~x~4 (* 68 ULTIMATE.start_main_~y~4))), 26446#(<= 2256 (+ ULTIMATE.start_main_~x~4 (* 67 ULTIMATE.start_main_~y~4))), 26447#(<= 2520 (+ ULTIMATE.start_main_~x~4 (* 66 ULTIMATE.start_main_~y~4))), 26448#(<= 2780 (+ ULTIMATE.start_main_~x~4 (* 65 ULTIMATE.start_main_~y~4))), 26449#(<= 3036 (+ ULTIMATE.start_main_~x~4 (* 64 ULTIMATE.start_main_~y~4))), 26450#(<= 3288 (+ ULTIMATE.start_main_~x~4 (* 63 ULTIMATE.start_main_~y~4))), 26451#(<= 3536 (+ ULTIMATE.start_main_~x~4 (* 62 ULTIMATE.start_main_~y~4))), 26452#(<= 3780 (+ ULTIMATE.start_main_~x~4 (* 61 ULTIMATE.start_main_~y~4))), 26453#(<= 4020 (+ ULTIMATE.start_main_~x~4 (* 60 ULTIMATE.start_main_~y~4))), 26454#(<= 4256 (+ ULTIMATE.start_main_~x~4 (* 59 ULTIMATE.start_main_~y~4))), 26455#(<= 4488 (+ ULTIMATE.start_main_~x~4 (* 58 ULTIMATE.start_main_~y~4))), 26456#(<= 4716 (+ ULTIMATE.start_main_~x~4 (* 57 ULTIMATE.start_main_~y~4))), 26457#(<= 4940 (+ ULTIMATE.start_main_~x~4 (* 56 ULTIMATE.start_main_~y~4))), 26458#(<= 5160 (+ ULTIMATE.start_main_~x~4 (* 55 ULTIMATE.start_main_~y~4))), 26459#(<= 5376 (+ ULTIMATE.start_main_~x~4 (* 54 ULTIMATE.start_main_~y~4))), 26460#(<= 5588 (+ ULTIMATE.start_main_~x~4 (* 53 ULTIMATE.start_main_~y~4))), 26461#(<= 5796 (+ ULTIMATE.start_main_~x~4 (* 52 ULTIMATE.start_main_~y~4))), 26462#(<= 6000 (+ ULTIMATE.start_main_~x~4 (* 51 ULTIMATE.start_main_~y~4))), 26463#(<= 6200 (+ ULTIMATE.start_main_~x~4 (* 50 ULTIMATE.start_main_~y~4))), 26464#(<= 6396 (+ ULTIMATE.start_main_~x~4 (* 49 ULTIMATE.start_main_~y~4))), 26465#(<= 6588 (+ ULTIMATE.start_main_~x~4 (* 48 ULTIMATE.start_main_~y~4))), 26466#(<= 6776 (+ ULTIMATE.start_main_~x~4 (* 47 ULTIMATE.start_main_~y~4))), 26467#(<= 6960 (+ ULTIMATE.start_main_~x~4 (* 46 ULTIMATE.start_main_~y~4))), 26468#(<= 7140 (+ ULTIMATE.start_main_~x~4 (* 45 ULTIMATE.start_main_~y~4))), 26469#(<= 7316 (+ ULTIMATE.start_main_~x~4 (* 44 ULTIMATE.start_main_~y~4))), 26470#(<= 7488 (+ ULTIMATE.start_main_~x~4 (* 43 ULTIMATE.start_main_~y~4))), 26471#(<= 7656 (+ ULTIMATE.start_main_~x~4 (* 42 ULTIMATE.start_main_~y~4))), 26472#(<= 7820 (+ ULTIMATE.start_main_~x~4 (* 41 ULTIMATE.start_main_~y~4))), 26473#(<= 7980 (+ ULTIMATE.start_main_~x~4 (* 40 ULTIMATE.start_main_~y~4))), 26474#(<= 8136 (+ ULTIMATE.start_main_~x~4 (* 39 ULTIMATE.start_main_~y~4))), 26475#(<= 8288 (+ ULTIMATE.start_main_~x~4 (* 38 ULTIMATE.start_main_~y~4))), 26476#(<= 8436 (+ ULTIMATE.start_main_~x~4 (* 37 ULTIMATE.start_main_~y~4))), 26477#(<= 8580 (+ ULTIMATE.start_main_~x~4 (* 36 ULTIMATE.start_main_~y~4))), 26478#(<= 8720 (+ ULTIMATE.start_main_~x~4 (* 35 ULTIMATE.start_main_~y~4))), 26479#(<= 8856 (+ ULTIMATE.start_main_~x~4 (* 34 ULTIMATE.start_main_~y~4))), 26480#(<= 8988 (+ ULTIMATE.start_main_~x~4 (* 33 ULTIMATE.start_main_~y~4))), 26481#(<= 9116 (+ ULTIMATE.start_main_~x~4 (* 32 ULTIMATE.start_main_~y~4))), 26482#(<= 9240 (+ ULTIMATE.start_main_~x~4 (* 31 ULTIMATE.start_main_~y~4))), 26483#(<= 9360 (+ ULTIMATE.start_main_~x~4 (* 30 ULTIMATE.start_main_~y~4))), 26484#(<= 9476 (+ ULTIMATE.start_main_~x~4 (* 29 ULTIMATE.start_main_~y~4))), 26485#(<= 9588 (+ ULTIMATE.start_main_~x~4 (* 28 ULTIMATE.start_main_~y~4))), 26486#(<= 9696 (+ ULTIMATE.start_main_~x~4 (* 27 ULTIMATE.start_main_~y~4))), 26487#(<= 9800 (+ ULTIMATE.start_main_~x~4 (* 26 ULTIMATE.start_main_~y~4))), 26488#(<= 9900 (+ ULTIMATE.start_main_~x~4 (* 25 ULTIMATE.start_main_~y~4))), 26489#(<= 9996 (+ ULTIMATE.start_main_~x~4 (* 24 ULTIMATE.start_main_~y~4))), 26490#(<= 10088 (+ ULTIMATE.start_main_~x~4 (* 23 ULTIMATE.start_main_~y~4))), 26491#(<= 10176 (+ ULTIMATE.start_main_~x~4 (* 22 ULTIMATE.start_main_~y~4))), 26492#(<= 10260 (+ ULTIMATE.start_main_~x~4 (* 21 ULTIMATE.start_main_~y~4))), 26493#(<= 10340 (+ ULTIMATE.start_main_~x~4 (* 20 ULTIMATE.start_main_~y~4))), 26494#(<= 10416 (+ ULTIMATE.start_main_~x~4 (* 19 ULTIMATE.start_main_~y~4))), 26495#(<= 10488 (+ ULTIMATE.start_main_~x~4 (* 18 ULTIMATE.start_main_~y~4)))] [2018-07-23 13:42:01,636 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 13:42:01,637 INFO L450 AbstractCegarLoop]: Interpolant automaton has 77 states [2018-07-23 13:42:01,637 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 77 interpolants. [2018-07-23 13:42:01,637 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=151, Invalid=5701, Unknown=0, NotChecked=0, Total=5852 [2018-07-23 13:42:01,638 INFO L87 Difference]: Start difference. First operand 151 states and 151 transitions. Second operand 77 states. [2018-07-23 13:42:02,691 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-07-23 13:42:02,691 INFO L93 Difference]: Finished difference Result 156 states and 156 transitions. [2018-07-23 13:42:02,691 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 77 states. [2018-07-23 13:42:02,691 INFO L78 Accepts]: Start accepts. Automaton has 77 states. Word has length 150 [2018-07-23 13:42:02,692 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-07-23 13:42:02,692 INFO L225 Difference]: With dead ends: 156 [2018-07-23 13:42:02,692 INFO L226 Difference]: Without dead ends: 154 [2018-07-23 13:42:02,693 INFO L575 BasicCegarLoop]: 0 DeclaredPredicates, 76 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 75 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=151, Invalid=5701, Unknown=0, NotChecked=0, Total=5852 [2018-07-23 13:42:02,693 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 154 states. [2018-07-23 13:42:02,774 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 154 to 153. [2018-07-23 13:42:02,775 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 153 states. [2018-07-23 13:42:02,775 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 153 states to 153 states and 153 transitions. [2018-07-23 13:42:02,775 INFO L78 Accepts]: Start accepts. Automaton has 153 states and 153 transitions. Word has length 150 [2018-07-23 13:42:02,776 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-07-23 13:42:02,776 INFO L471 AbstractCegarLoop]: Abstraction has 153 states and 153 transitions. [2018-07-23 13:42:02,776 INFO L472 AbstractCegarLoop]: Interpolant automaton has 77 states. [2018-07-23 13:42:02,776 INFO L276 IsEmpty]: Start isEmpty. Operand 153 states and 153 transitions. [2018-07-23 13:42:02,777 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 153 [2018-07-23 13:42:02,777 INFO L349 BasicCegarLoop]: Found error trace [2018-07-23 13:42:02,777 INFO L357 BasicCegarLoop]: trace histogram [75, 74, 1, 1, 1] [2018-07-23 13:42:02,778 INFO L414 AbstractCegarLoop]: === Iteration 75 === [ULTIMATE.startErr0AssertViolationASSERT]=== [2018-07-23 13:42:02,778 INFO L82 PathProgramCache]: Analyzing trace with hash -1323749377, now seen corresponding path program 74 times [2018-07-23 13:42:02,778 INFO L69 tionRefinementEngine]: Using refinement strategy FixedRefinementStrategy [2018-07-23 13:42:02,952 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-07-23 13:42:03,648 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 13:42:03,648 INFO L309 seRefinementStrategy]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2018-07-23 13:42:03,648 INFO L324 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [77] total 77 [2018-07-23 13:42:03,648 INFO L142 lantAutomatonBuilder]: Constructing canonical interpolant automaton, with selfloop in false state [2018-07-23 13:42:03,648 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-07-23 13:42:03,649 INFO L185 omatonBuilderFactory]: Interpolants [27136#(<= 888 (+ ULTIMATE.start_main_~x~4 (* 73 ULTIMATE.start_main_~y~4))), 27137#(<= 1176 (+ ULTIMATE.start_main_~x~4 (* 72 ULTIMATE.start_main_~y~4))), 27138#(<= 1460 (+ ULTIMATE.start_main_~x~4 (* 71 ULTIMATE.start_main_~y~4))), 27139#(<= 1740 (+ ULTIMATE.start_main_~x~4 (* 70 ULTIMATE.start_main_~y~4))), 27140#(<= 2016 (+ ULTIMATE.start_main_~x~4 (* 69 ULTIMATE.start_main_~y~4))), 27141#(<= 2288 (+ ULTIMATE.start_main_~x~4 (* 68 ULTIMATE.start_main_~y~4))), 27142#(<= 2556 (+ ULTIMATE.start_main_~x~4 (* 67 ULTIMATE.start_main_~y~4))), 27143#(<= 2820 (+ ULTIMATE.start_main_~x~4 (* 66 ULTIMATE.start_main_~y~4))), 27144#(<= 3080 (+ ULTIMATE.start_main_~x~4 (* 65 ULTIMATE.start_main_~y~4))), 27145#(<= 3336 (+ ULTIMATE.start_main_~x~4 (* 64 ULTIMATE.start_main_~y~4))), 27146#(<= 3588 (+ ULTIMATE.start_main_~x~4 (* 63 ULTIMATE.start_main_~y~4))), 27147#(<= 3836 (+ ULTIMATE.start_main_~x~4 (* 62 ULTIMATE.start_main_~y~4))), 27148#(<= 4080 (+ ULTIMATE.start_main_~x~4 (* 61 ULTIMATE.start_main_~y~4))), 27149#(<= 4320 (+ ULTIMATE.start_main_~x~4 (* 60 ULTIMATE.start_main_~y~4))), 27150#(<= 4556 (+ ULTIMATE.start_main_~x~4 (* 59 ULTIMATE.start_main_~y~4))), 27151#(<= 4788 (+ ULTIMATE.start_main_~x~4 (* 58 ULTIMATE.start_main_~y~4))), 27152#(<= 5016 (+ ULTIMATE.start_main_~x~4 (* 57 ULTIMATE.start_main_~y~4))), 27153#(<= 5240 (+ ULTIMATE.start_main_~x~4 (* 56 ULTIMATE.start_main_~y~4))), 27154#(<= 5460 (+ ULTIMATE.start_main_~x~4 (* 55 ULTIMATE.start_main_~y~4))), 27155#(<= 5676 (+ ULTIMATE.start_main_~x~4 (* 54 ULTIMATE.start_main_~y~4))), 27156#(<= 5888 (+ ULTIMATE.start_main_~x~4 (* 53 ULTIMATE.start_main_~y~4))), 27157#(<= 6096 (+ ULTIMATE.start_main_~x~4 (* 52 ULTIMATE.start_main_~y~4))), 27158#(<= 6300 (+ ULTIMATE.start_main_~x~4 (* 51 ULTIMATE.start_main_~y~4))), 27159#(<= 6500 (+ ULTIMATE.start_main_~x~4 (* 50 ULTIMATE.start_main_~y~4))), 27160#(<= 6696 (+ ULTIMATE.start_main_~x~4 (* 49 ULTIMATE.start_main_~y~4))), 27161#(<= 6888 (+ ULTIMATE.start_main_~x~4 (* 48 ULTIMATE.start_main_~y~4))), 27162#(<= 7076 (+ ULTIMATE.start_main_~x~4 (* 47 ULTIMATE.start_main_~y~4))), 27163#(<= 7260 (+ ULTIMATE.start_main_~x~4 (* 46 ULTIMATE.start_main_~y~4))), 27164#(<= 7440 (+ ULTIMATE.start_main_~x~4 (* 45 ULTIMATE.start_main_~y~4))), 27165#(<= 7616 (+ ULTIMATE.start_main_~x~4 (* 44 ULTIMATE.start_main_~y~4))), 27166#(<= 7788 (+ ULTIMATE.start_main_~x~4 (* 43 ULTIMATE.start_main_~y~4))), 27167#(<= 7956 (+ ULTIMATE.start_main_~x~4 (* 42 ULTIMATE.start_main_~y~4))), 27168#(<= 8120 (+ ULTIMATE.start_main_~x~4 (* 41 ULTIMATE.start_main_~y~4))), 27169#(<= 8280 (+ ULTIMATE.start_main_~x~4 (* 40 ULTIMATE.start_main_~y~4))), 27170#(<= 8436 (+ ULTIMATE.start_main_~x~4 (* 39 ULTIMATE.start_main_~y~4))), 27171#(<= 8588 (+ ULTIMATE.start_main_~x~4 (* 38 ULTIMATE.start_main_~y~4))), 27172#(<= 8736 (+ ULTIMATE.start_main_~x~4 (* 37 ULTIMATE.start_main_~y~4))), 27173#(<= 8880 (+ ULTIMATE.start_main_~x~4 (* 36 ULTIMATE.start_main_~y~4))), 27174#(<= 9020 (+ ULTIMATE.start_main_~x~4 (* 35 ULTIMATE.start_main_~y~4))), 27175#(<= 9156 (+ ULTIMATE.start_main_~x~4 (* 34 ULTIMATE.start_main_~y~4))), 27176#(<= 9288 (+ ULTIMATE.start_main_~x~4 (* 33 ULTIMATE.start_main_~y~4))), 27177#(<= 9416 (+ ULTIMATE.start_main_~x~4 (* 32 ULTIMATE.start_main_~y~4))), 27178#(<= 9540 (+ ULTIMATE.start_main_~x~4 (* 31 ULTIMATE.start_main_~y~4))), 27179#(<= 9660 (+ ULTIMATE.start_main_~x~4 (* 30 ULTIMATE.start_main_~y~4))), 27180#(<= 9776 (+ ULTIMATE.start_main_~x~4 (* 29 ULTIMATE.start_main_~y~4))), 27181#(<= 9888 (+ ULTIMATE.start_main_~x~4 (* 28 ULTIMATE.start_main_~y~4))), 27182#(<= 9996 (+ ULTIMATE.start_main_~x~4 (* 27 ULTIMATE.start_main_~y~4))), 27183#(<= 10100 (+ ULTIMATE.start_main_~x~4 (* 26 ULTIMATE.start_main_~y~4))), 27184#(<= 10200 (+ ULTIMATE.start_main_~x~4 (* 25 ULTIMATE.start_main_~y~4))), 27185#(<= 10296 (+ ULTIMATE.start_main_~x~4 (* 24 ULTIMATE.start_main_~y~4))), 27186#(<= 10388 (+ ULTIMATE.start_main_~x~4 (* 23 ULTIMATE.start_main_~y~4))), 27187#(<= 10476 (+ ULTIMATE.start_main_~x~4 (* 22 ULTIMATE.start_main_~y~4))), 27188#(<= 10560 (+ ULTIMATE.start_main_~x~4 (* 21 ULTIMATE.start_main_~y~4))), 27189#(<= 10640 (+ ULTIMATE.start_main_~x~4 (* 20 ULTIMATE.start_main_~y~4))), 27190#(<= 10716 (+ ULTIMATE.start_main_~x~4 (* 19 ULTIMATE.start_main_~y~4))), 27191#(<= 10788 (+ ULTIMATE.start_main_~x~4 (* 18 ULTIMATE.start_main_~y~4))), 27192#(<= 10856 (+ ULTIMATE.start_main_~x~4 (* 17 ULTIMATE.start_main_~y~4))), 27193#(<= 10920 (+ ULTIMATE.start_main_~x~4 (* 16 ULTIMATE.start_main_~y~4))), 27194#(<= 10980 (+ ULTIMATE.start_main_~x~4 (* 15 ULTIMATE.start_main_~y~4))), 27195#(<= 11036 (+ ULTIMATE.start_main_~x~4 (* 14 ULTIMATE.start_main_~y~4))), 27196#(<= 11088 (+ ULTIMATE.start_main_~x~4 (* 13 ULTIMATE.start_main_~y~4))), 27197#(<= 11136 (+ ULTIMATE.start_main_~x~4 (* 12 ULTIMATE.start_main_~y~4))), 27198#(<= 11180 (+ ULTIMATE.start_main_~x~4 (* 11 ULTIMATE.start_main_~y~4))), 27199#(<= 11220 (+ ULTIMATE.start_main_~x~4 (* 10 ULTIMATE.start_main_~y~4))), 27200#(<= 11256 (+ ULTIMATE.start_main_~x~4 (* 9 ULTIMATE.start_main_~y~4))), 27201#(<= 11288 (+ ULTIMATE.start_main_~x~4 (* 8 ULTIMATE.start_main_~y~4))), 27202#(<= 11316 (+ ULTIMATE.start_main_~x~4 (* 7 ULTIMATE.start_main_~y~4))), 27203#(<= 11340 (+ ULTIMATE.start_main_~x~4 (* 6 ULTIMATE.start_main_~y~4))), 27204#(<= 11360 (+ ULTIMATE.start_main_~x~4 (* 5 ULTIMATE.start_main_~y~4))), 27205#(<= 11376 (+ ULTIMATE.start_main_~x~4 (* 4 ULTIMATE.start_main_~y~4))), 27206#(<= 11388 (+ ULTIMATE.start_main_~x~4 (* 3 ULTIMATE.start_main_~y~4))), 27207#(<= 11396 (+ ULTIMATE.start_main_~x~4 (* 2 ULTIMATE.start_main_~y~4))), 27208#(<= 11400 (+ ULTIMATE.start_main_~x~4 ULTIMATE.start_main_~y~4)), 27209#(<= 1 ULTIMATE.start___VERIFIER_assert_~cond), 27132#true, 27133#false, 27134#(<= 300 (+ ULTIMATE.start_main_~x~4 (* 75 ULTIMATE.start_main_~y~4))), 27135#(<= 596 (+ ULTIMATE.start_main_~x~4 (* 74 ULTIMATE.start_main_~y~4)))] [2018-07-23 13:42:03,649 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 13:42:03,649 INFO L450 AbstractCegarLoop]: Interpolant automaton has 78 states [2018-07-23 13:42:03,650 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 78 interpolants. [2018-07-23 13:42:03,650 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=153, Invalid=5853, Unknown=0, NotChecked=0, Total=6006 [2018-07-23 13:42:03,650 INFO L87 Difference]: Start difference. First operand 153 states and 153 transitions. Second operand 78 states. [2018-07-23 13:42:04,675 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-07-23 13:42:04,675 INFO L93 Difference]: Finished difference Result 158 states and 158 transitions. [2018-07-23 13:42:04,675 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 78 states. [2018-07-23 13:42:04,676 INFO L78 Accepts]: Start accepts. Automaton has 78 states. Word has length 152 [2018-07-23 13:42:04,676 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-07-23 13:42:04,677 INFO L225 Difference]: With dead ends: 158 [2018-07-23 13:42:04,677 INFO L226 Difference]: Without dead ends: 156 [2018-07-23 13:42:04,678 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 13:42:04,678 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 156 states. [2018-07-23 13:42:04,736 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 156 to 155. [2018-07-23 13:42:04,737 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 155 states. [2018-07-23 13:42:04,737 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 155 states to 155 states and 155 transitions. [2018-07-23 13:42:04,737 INFO L78 Accepts]: Start accepts. Automaton has 155 states and 155 transitions. Word has length 152 [2018-07-23 13:42:04,737 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-07-23 13:42:04,738 INFO L471 AbstractCegarLoop]: Abstraction has 155 states and 155 transitions. [2018-07-23 13:42:04,738 INFO L472 AbstractCegarLoop]: Interpolant automaton has 78 states. [2018-07-23 13:42:04,738 INFO L276 IsEmpty]: Start isEmpty. Operand 155 states and 155 transitions. [2018-07-23 13:42:04,738 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 155 [2018-07-23 13:42:04,738 INFO L349 BasicCegarLoop]: Found error trace [2018-07-23 13:42:04,739 INFO L357 BasicCegarLoop]: trace histogram [76, 75, 1, 1, 1] [2018-07-23 13:42:04,739 INFO L414 AbstractCegarLoop]: === Iteration 76 === [ULTIMATE.startErr0AssertViolationASSERT]=== [2018-07-23 13:42:04,739 INFO L82 PathProgramCache]: Analyzing trace with hash -812884983, now seen corresponding path program 75 times [2018-07-23 13:42:04,739 INFO L69 tionRefinementEngine]: Using refinement strategy FixedRefinementStrategy [2018-07-23 13:42:04,882 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-07-23 13:42:05,747 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 13:42:05,747 INFO L309 seRefinementStrategy]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2018-07-23 13:42:05,747 INFO L324 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [78] total 78 [2018-07-23 13:42:05,748 INFO L142 lantAutomatonBuilder]: Constructing canonical interpolant automaton, with selfloop in false state [2018-07-23 13:42:05,748 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-07-23 13:42:05,748 INFO L185 omatonBuilderFactory]: Interpolants [27904#(<= 11524 (+ ULTIMATE.start_main_~x~4 (* 10 ULTIMATE.start_main_~y~4))), 27905#(<= 11560 (+ ULTIMATE.start_main_~x~4 (* 9 ULTIMATE.start_main_~y~4))), 27906#(<= 11592 (+ ULTIMATE.start_main_~x~4 (* 8 ULTIMATE.start_main_~y~4))), 27907#(<= 11620 (+ ULTIMATE.start_main_~x~4 (* 7 ULTIMATE.start_main_~y~4))), 27908#(<= 11644 (+ ULTIMATE.start_main_~x~4 (* 6 ULTIMATE.start_main_~y~4))), 27909#(<= 11664 (+ ULTIMATE.start_main_~x~4 (* 5 ULTIMATE.start_main_~y~4))), 27910#(<= 11680 (+ ULTIMATE.start_main_~x~4 (* 4 ULTIMATE.start_main_~y~4))), 27911#(<= 11692 (+ ULTIMATE.start_main_~x~4 (* 3 ULTIMATE.start_main_~y~4))), 27912#(<= 11700 (+ ULTIMATE.start_main_~x~4 (* 2 ULTIMATE.start_main_~y~4))), 27913#(<= 11704 (+ ULTIMATE.start_main_~x~4 ULTIMATE.start_main_~y~4)), 27914#(<= 1 ULTIMATE.start___VERIFIER_assert_~cond), 27836#true, 27837#false, 27838#(<= 304 (+ ULTIMATE.start_main_~x~4 (* 76 ULTIMATE.start_main_~y~4))), 27839#(<= 604 (+ ULTIMATE.start_main_~x~4 (* 75 ULTIMATE.start_main_~y~4))), 27840#(<= 900 (+ ULTIMATE.start_main_~x~4 (* 74 ULTIMATE.start_main_~y~4))), 27841#(<= 1192 (+ ULTIMATE.start_main_~x~4 (* 73 ULTIMATE.start_main_~y~4))), 27842#(<= 1480 (+ ULTIMATE.start_main_~x~4 (* 72 ULTIMATE.start_main_~y~4))), 27843#(<= 1764 (+ ULTIMATE.start_main_~x~4 (* 71 ULTIMATE.start_main_~y~4))), 27844#(<= 2044 (+ ULTIMATE.start_main_~x~4 (* 70 ULTIMATE.start_main_~y~4))), 27845#(<= 2320 (+ ULTIMATE.start_main_~x~4 (* 69 ULTIMATE.start_main_~y~4))), 27846#(<= 2592 (+ ULTIMATE.start_main_~x~4 (* 68 ULTIMATE.start_main_~y~4))), 27847#(<= 2860 (+ ULTIMATE.start_main_~x~4 (* 67 ULTIMATE.start_main_~y~4))), 27848#(<= 3124 (+ ULTIMATE.start_main_~x~4 (* 66 ULTIMATE.start_main_~y~4))), 27849#(<= 3384 (+ ULTIMATE.start_main_~x~4 (* 65 ULTIMATE.start_main_~y~4))), 27850#(<= 3640 (+ ULTIMATE.start_main_~x~4 (* 64 ULTIMATE.start_main_~y~4))), 27851#(<= 3892 (+ ULTIMATE.start_main_~x~4 (* 63 ULTIMATE.start_main_~y~4))), 27852#(<= 4140 (+ ULTIMATE.start_main_~x~4 (* 62 ULTIMATE.start_main_~y~4))), 27853#(<= 4384 (+ ULTIMATE.start_main_~x~4 (* 61 ULTIMATE.start_main_~y~4))), 27854#(<= 4624 (+ ULTIMATE.start_main_~x~4 (* 60 ULTIMATE.start_main_~y~4))), 27855#(<= 4860 (+ ULTIMATE.start_main_~x~4 (* 59 ULTIMATE.start_main_~y~4))), 27856#(<= 5092 (+ ULTIMATE.start_main_~x~4 (* 58 ULTIMATE.start_main_~y~4))), 27857#(<= 5320 (+ ULTIMATE.start_main_~x~4 (* 57 ULTIMATE.start_main_~y~4))), 27858#(<= 5544 (+ ULTIMATE.start_main_~x~4 (* 56 ULTIMATE.start_main_~y~4))), 27859#(<= 5764 (+ ULTIMATE.start_main_~x~4 (* 55 ULTIMATE.start_main_~y~4))), 27860#(<= 5980 (+ ULTIMATE.start_main_~x~4 (* 54 ULTIMATE.start_main_~y~4))), 27861#(<= 6192 (+ ULTIMATE.start_main_~x~4 (* 53 ULTIMATE.start_main_~y~4))), 27862#(<= 6400 (+ ULTIMATE.start_main_~x~4 (* 52 ULTIMATE.start_main_~y~4))), 27863#(<= 6604 (+ ULTIMATE.start_main_~x~4 (* 51 ULTIMATE.start_main_~y~4))), 27864#(<= 6804 (+ ULTIMATE.start_main_~x~4 (* 50 ULTIMATE.start_main_~y~4))), 27865#(<= 7000 (+ ULTIMATE.start_main_~x~4 (* 49 ULTIMATE.start_main_~y~4))), 27866#(<= 7192 (+ ULTIMATE.start_main_~x~4 (* 48 ULTIMATE.start_main_~y~4))), 27867#(<= 7380 (+ ULTIMATE.start_main_~x~4 (* 47 ULTIMATE.start_main_~y~4))), 27868#(<= 7564 (+ ULTIMATE.start_main_~x~4 (* 46 ULTIMATE.start_main_~y~4))), 27869#(<= 7744 (+ ULTIMATE.start_main_~x~4 (* 45 ULTIMATE.start_main_~y~4))), 27870#(<= 7920 (+ ULTIMATE.start_main_~x~4 (* 44 ULTIMATE.start_main_~y~4))), 27871#(<= 8092 (+ ULTIMATE.start_main_~x~4 (* 43 ULTIMATE.start_main_~y~4))), 27872#(<= 8260 (+ ULTIMATE.start_main_~x~4 (* 42 ULTIMATE.start_main_~y~4))), 27873#(<= 8424 (+ ULTIMATE.start_main_~x~4 (* 41 ULTIMATE.start_main_~y~4))), 27874#(<= 8584 (+ ULTIMATE.start_main_~x~4 (* 40 ULTIMATE.start_main_~y~4))), 27875#(<= 8740 (+ ULTIMATE.start_main_~x~4 (* 39 ULTIMATE.start_main_~y~4))), 27876#(<= 8892 (+ ULTIMATE.start_main_~x~4 (* 38 ULTIMATE.start_main_~y~4))), 27877#(<= 9040 (+ ULTIMATE.start_main_~x~4 (* 37 ULTIMATE.start_main_~y~4))), 27878#(<= 9184 (+ ULTIMATE.start_main_~x~4 (* 36 ULTIMATE.start_main_~y~4))), 27879#(<= 9324 (+ ULTIMATE.start_main_~x~4 (* 35 ULTIMATE.start_main_~y~4))), 27880#(<= 9460 (+ ULTIMATE.start_main_~x~4 (* 34 ULTIMATE.start_main_~y~4))), 27881#(<= 9592 (+ ULTIMATE.start_main_~x~4 (* 33 ULTIMATE.start_main_~y~4))), 27882#(<= 9720 (+ ULTIMATE.start_main_~x~4 (* 32 ULTIMATE.start_main_~y~4))), 27883#(<= 9844 (+ ULTIMATE.start_main_~x~4 (* 31 ULTIMATE.start_main_~y~4))), 27884#(<= 9964 (+ ULTIMATE.start_main_~x~4 (* 30 ULTIMATE.start_main_~y~4))), 27885#(<= 10080 (+ ULTIMATE.start_main_~x~4 (* 29 ULTIMATE.start_main_~y~4))), 27886#(<= 10192 (+ ULTIMATE.start_main_~x~4 (* 28 ULTIMATE.start_main_~y~4))), 27887#(<= 10300 (+ ULTIMATE.start_main_~x~4 (* 27 ULTIMATE.start_main_~y~4))), 27888#(<= 10404 (+ ULTIMATE.start_main_~x~4 (* 26 ULTIMATE.start_main_~y~4))), 27889#(<= 10504 (+ ULTIMATE.start_main_~x~4 (* 25 ULTIMATE.start_main_~y~4))), 27890#(<= 10600 (+ ULTIMATE.start_main_~x~4 (* 24 ULTIMATE.start_main_~y~4))), 27891#(<= 10692 (+ ULTIMATE.start_main_~x~4 (* 23 ULTIMATE.start_main_~y~4))), 27892#(<= 10780 (+ ULTIMATE.start_main_~x~4 (* 22 ULTIMATE.start_main_~y~4))), 27893#(<= 10864 (+ ULTIMATE.start_main_~x~4 (* 21 ULTIMATE.start_main_~y~4))), 27894#(<= 10944 (+ ULTIMATE.start_main_~x~4 (* 20 ULTIMATE.start_main_~y~4))), 27895#(<= 11020 (+ ULTIMATE.start_main_~x~4 (* 19 ULTIMATE.start_main_~y~4))), 27896#(<= 11092 (+ ULTIMATE.start_main_~x~4 (* 18 ULTIMATE.start_main_~y~4))), 27897#(<= 11160 (+ ULTIMATE.start_main_~x~4 (* 17 ULTIMATE.start_main_~y~4))), 27898#(<= 11224 (+ ULTIMATE.start_main_~x~4 (* 16 ULTIMATE.start_main_~y~4))), 27899#(<= 11284 (+ ULTIMATE.start_main_~x~4 (* 15 ULTIMATE.start_main_~y~4))), 27900#(<= 11340 (+ ULTIMATE.start_main_~x~4 (* 14 ULTIMATE.start_main_~y~4))), 27901#(<= 11392 (+ ULTIMATE.start_main_~x~4 (* 13 ULTIMATE.start_main_~y~4))), 27902#(<= 11440 (+ ULTIMATE.start_main_~x~4 (* 12 ULTIMATE.start_main_~y~4))), 27903#(<= 11484 (+ ULTIMATE.start_main_~x~4 (* 11 ULTIMATE.start_main_~y~4)))] [2018-07-23 13:42:05,749 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 13:42:05,749 INFO L450 AbstractCegarLoop]: Interpolant automaton has 79 states [2018-07-23 13:42:05,749 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 79 interpolants. [2018-07-23 13:42:05,749 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=155, Invalid=6007, Unknown=0, NotChecked=0, Total=6162 [2018-07-23 13:42:05,749 INFO L87 Difference]: Start difference. First operand 155 states and 155 transitions. Second operand 79 states. [2018-07-23 13:42:06,728 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-07-23 13:42:06,729 INFO L93 Difference]: Finished difference Result 160 states and 160 transitions. [2018-07-23 13:42:06,729 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 79 states. [2018-07-23 13:42:06,729 INFO L78 Accepts]: Start accepts. Automaton has 79 states. Word has length 154 [2018-07-23 13:42:06,729 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-07-23 13:42:06,730 INFO L225 Difference]: With dead ends: 160 [2018-07-23 13:42:06,730 INFO L226 Difference]: Without dead ends: 158 [2018-07-23 13:42:06,731 INFO L575 BasicCegarLoop]: 0 DeclaredPredicates, 78 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 77 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.4s TimeCoverageRelationStatistics Valid=155, Invalid=6007, Unknown=0, NotChecked=0, Total=6162 [2018-07-23 13:42:06,731 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 158 states. [2018-07-23 13:42:06,815 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 158 to 157. [2018-07-23 13:42:06,815 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 157 states. [2018-07-23 13:42:06,816 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 157 states to 157 states and 157 transitions. [2018-07-23 13:42:06,816 INFO L78 Accepts]: Start accepts. Automaton has 157 states and 157 transitions. Word has length 154 [2018-07-23 13:42:06,816 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-07-23 13:42:06,816 INFO L471 AbstractCegarLoop]: Abstraction has 157 states and 157 transitions. [2018-07-23 13:42:06,816 INFO L472 AbstractCegarLoop]: Interpolant automaton has 79 states. [2018-07-23 13:42:06,816 INFO L276 IsEmpty]: Start isEmpty. Operand 157 states and 157 transitions. [2018-07-23 13:42:06,817 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 157 [2018-07-23 13:42:06,817 INFO L349 BasicCegarLoop]: Found error trace [2018-07-23 13:42:06,818 INFO L357 BasicCegarLoop]: trace histogram [77, 76, 1, 1, 1] [2018-07-23 13:42:06,818 INFO L414 AbstractCegarLoop]: === Iteration 77 === [ULTIMATE.startErr0AssertViolationASSERT]=== [2018-07-23 13:42:06,818 INFO L82 PathProgramCache]: Analyzing trace with hash 501525907, now seen corresponding path program 76 times [2018-07-23 13:42:06,818 INFO L69 tionRefinementEngine]: Using refinement strategy FixedRefinementStrategy [2018-07-23 13:42:06,968 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-07-23 13:42:07,582 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 13:42:07,582 INFO L309 seRefinementStrategy]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2018-07-23 13:42:07,582 INFO L324 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [79] total 79 [2018-07-23 13:42:07,582 INFO L142 lantAutomatonBuilder]: Constructing canonical interpolant automaton, with selfloop in false state [2018-07-23 13:42:07,583 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-07-23 13:42:07,583 INFO L185 omatonBuilderFactory]: Interpolants [28549#true, 28550#false, 28551#(<= 308 (+ ULTIMATE.start_main_~x~4 (* 77 ULTIMATE.start_main_~y~4))), 28552#(<= 612 (+ ULTIMATE.start_main_~x~4 (* 76 ULTIMATE.start_main_~y~4))), 28553#(<= 912 (+ ULTIMATE.start_main_~x~4 (* 75 ULTIMATE.start_main_~y~4))), 28554#(<= 1208 (+ ULTIMATE.start_main_~x~4 (* 74 ULTIMATE.start_main_~y~4))), 28555#(<= 1500 (+ ULTIMATE.start_main_~x~4 (* 73 ULTIMATE.start_main_~y~4))), 28556#(<= 1788 (+ ULTIMATE.start_main_~x~4 (* 72 ULTIMATE.start_main_~y~4))), 28557#(<= 2072 (+ ULTIMATE.start_main_~x~4 (* 71 ULTIMATE.start_main_~y~4))), 28558#(<= 2352 (+ ULTIMATE.start_main_~x~4 (* 70 ULTIMATE.start_main_~y~4))), 28559#(<= 2628 (+ ULTIMATE.start_main_~x~4 (* 69 ULTIMATE.start_main_~y~4))), 28560#(<= 2900 (+ ULTIMATE.start_main_~x~4 (* 68 ULTIMATE.start_main_~y~4))), 28561#(<= 3168 (+ ULTIMATE.start_main_~x~4 (* 67 ULTIMATE.start_main_~y~4))), 28562#(<= 3432 (+ ULTIMATE.start_main_~x~4 (* 66 ULTIMATE.start_main_~y~4))), 28563#(<= 3692 (+ ULTIMATE.start_main_~x~4 (* 65 ULTIMATE.start_main_~y~4))), 28564#(<= 3948 (+ ULTIMATE.start_main_~x~4 (* 64 ULTIMATE.start_main_~y~4))), 28565#(<= 4200 (+ ULTIMATE.start_main_~x~4 (* 63 ULTIMATE.start_main_~y~4))), 28566#(<= 4448 (+ ULTIMATE.start_main_~x~4 (* 62 ULTIMATE.start_main_~y~4))), 28567#(<= 4692 (+ ULTIMATE.start_main_~x~4 (* 61 ULTIMATE.start_main_~y~4))), 28568#(<= 4932 (+ ULTIMATE.start_main_~x~4 (* 60 ULTIMATE.start_main_~y~4))), 28569#(<= 5168 (+ ULTIMATE.start_main_~x~4 (* 59 ULTIMATE.start_main_~y~4))), 28570#(<= 5400 (+ ULTIMATE.start_main_~x~4 (* 58 ULTIMATE.start_main_~y~4))), 28571#(<= 5628 (+ ULTIMATE.start_main_~x~4 (* 57 ULTIMATE.start_main_~y~4))), 28572#(<= 5852 (+ ULTIMATE.start_main_~x~4 (* 56 ULTIMATE.start_main_~y~4))), 28573#(<= 6072 (+ ULTIMATE.start_main_~x~4 (* 55 ULTIMATE.start_main_~y~4))), 28574#(<= 6288 (+ ULTIMATE.start_main_~x~4 (* 54 ULTIMATE.start_main_~y~4))), 28575#(<= 6500 (+ ULTIMATE.start_main_~x~4 (* 53 ULTIMATE.start_main_~y~4))), 28576#(<= 6708 (+ ULTIMATE.start_main_~x~4 (* 52 ULTIMATE.start_main_~y~4))), 28577#(<= 6912 (+ ULTIMATE.start_main_~x~4 (* 51 ULTIMATE.start_main_~y~4))), 28578#(<= 7112 (+ ULTIMATE.start_main_~x~4 (* 50 ULTIMATE.start_main_~y~4))), 28579#(<= 7308 (+ ULTIMATE.start_main_~x~4 (* 49 ULTIMATE.start_main_~y~4))), 28580#(<= 7500 (+ ULTIMATE.start_main_~x~4 (* 48 ULTIMATE.start_main_~y~4))), 28581#(<= 7688 (+ ULTIMATE.start_main_~x~4 (* 47 ULTIMATE.start_main_~y~4))), 28582#(<= 7872 (+ ULTIMATE.start_main_~x~4 (* 46 ULTIMATE.start_main_~y~4))), 28583#(<= 8052 (+ ULTIMATE.start_main_~x~4 (* 45 ULTIMATE.start_main_~y~4))), 28584#(<= 8228 (+ ULTIMATE.start_main_~x~4 (* 44 ULTIMATE.start_main_~y~4))), 28585#(<= 8400 (+ ULTIMATE.start_main_~x~4 (* 43 ULTIMATE.start_main_~y~4))), 28586#(<= 8568 (+ ULTIMATE.start_main_~x~4 (* 42 ULTIMATE.start_main_~y~4))), 28587#(<= 8732 (+ ULTIMATE.start_main_~x~4 (* 41 ULTIMATE.start_main_~y~4))), 28588#(<= 8892 (+ ULTIMATE.start_main_~x~4 (* 40 ULTIMATE.start_main_~y~4))), 28589#(<= 9048 (+ ULTIMATE.start_main_~x~4 (* 39 ULTIMATE.start_main_~y~4))), 28590#(<= 9200 (+ ULTIMATE.start_main_~x~4 (* 38 ULTIMATE.start_main_~y~4))), 28591#(<= 9348 (+ ULTIMATE.start_main_~x~4 (* 37 ULTIMATE.start_main_~y~4))), 28592#(<= 9492 (+ ULTIMATE.start_main_~x~4 (* 36 ULTIMATE.start_main_~y~4))), 28593#(<= 9632 (+ ULTIMATE.start_main_~x~4 (* 35 ULTIMATE.start_main_~y~4))), 28594#(<= 9768 (+ ULTIMATE.start_main_~x~4 (* 34 ULTIMATE.start_main_~y~4))), 28595#(<= 9900 (+ ULTIMATE.start_main_~x~4 (* 33 ULTIMATE.start_main_~y~4))), 28596#(<= 10028 (+ ULTIMATE.start_main_~x~4 (* 32 ULTIMATE.start_main_~y~4))), 28597#(<= 10152 (+ ULTIMATE.start_main_~x~4 (* 31 ULTIMATE.start_main_~y~4))), 28598#(<= 10272 (+ ULTIMATE.start_main_~x~4 (* 30 ULTIMATE.start_main_~y~4))), 28599#(<= 10388 (+ ULTIMATE.start_main_~x~4 (* 29 ULTIMATE.start_main_~y~4))), 28600#(<= 10500 (+ ULTIMATE.start_main_~x~4 (* 28 ULTIMATE.start_main_~y~4))), 28601#(<= 10608 (+ ULTIMATE.start_main_~x~4 (* 27 ULTIMATE.start_main_~y~4))), 28602#(<= 10712 (+ ULTIMATE.start_main_~x~4 (* 26 ULTIMATE.start_main_~y~4))), 28603#(<= 10812 (+ ULTIMATE.start_main_~x~4 (* 25 ULTIMATE.start_main_~y~4))), 28604#(<= 10908 (+ ULTIMATE.start_main_~x~4 (* 24 ULTIMATE.start_main_~y~4))), 28605#(<= 11000 (+ ULTIMATE.start_main_~x~4 (* 23 ULTIMATE.start_main_~y~4))), 28606#(<= 11088 (+ ULTIMATE.start_main_~x~4 (* 22 ULTIMATE.start_main_~y~4))), 28607#(<= 11172 (+ ULTIMATE.start_main_~x~4 (* 21 ULTIMATE.start_main_~y~4))), 28608#(<= 11252 (+ ULTIMATE.start_main_~x~4 (* 20 ULTIMATE.start_main_~y~4))), 28609#(<= 11328 (+ ULTIMATE.start_main_~x~4 (* 19 ULTIMATE.start_main_~y~4))), 28610#(<= 11400 (+ ULTIMATE.start_main_~x~4 (* 18 ULTIMATE.start_main_~y~4))), 28611#(<= 11468 (+ ULTIMATE.start_main_~x~4 (* 17 ULTIMATE.start_main_~y~4))), 28612#(<= 11532 (+ ULTIMATE.start_main_~x~4 (* 16 ULTIMATE.start_main_~y~4))), 28613#(<= 11592 (+ ULTIMATE.start_main_~x~4 (* 15 ULTIMATE.start_main_~y~4))), 28614#(<= 11648 (+ ULTIMATE.start_main_~x~4 (* 14 ULTIMATE.start_main_~y~4))), 28615#(<= 11700 (+ ULTIMATE.start_main_~x~4 (* 13 ULTIMATE.start_main_~y~4))), 28616#(<= 11748 (+ ULTIMATE.start_main_~x~4 (* 12 ULTIMATE.start_main_~y~4))), 28617#(<= 11792 (+ ULTIMATE.start_main_~x~4 (* 11 ULTIMATE.start_main_~y~4))), 28618#(<= 11832 (+ ULTIMATE.start_main_~x~4 (* 10 ULTIMATE.start_main_~y~4))), 28619#(<= 11868 (+ ULTIMATE.start_main_~x~4 (* 9 ULTIMATE.start_main_~y~4))), 28620#(<= 11900 (+ ULTIMATE.start_main_~x~4 (* 8 ULTIMATE.start_main_~y~4))), 28621#(<= 11928 (+ ULTIMATE.start_main_~x~4 (* 7 ULTIMATE.start_main_~y~4))), 28622#(<= 11952 (+ ULTIMATE.start_main_~x~4 (* 6 ULTIMATE.start_main_~y~4))), 28623#(<= 11972 (+ ULTIMATE.start_main_~x~4 (* 5 ULTIMATE.start_main_~y~4))), 28624#(<= 11988 (+ ULTIMATE.start_main_~x~4 (* 4 ULTIMATE.start_main_~y~4))), 28625#(<= 12000 (+ ULTIMATE.start_main_~x~4 (* 3 ULTIMATE.start_main_~y~4))), 28626#(<= 12008 (+ ULTIMATE.start_main_~x~4 (* 2 ULTIMATE.start_main_~y~4))), 28627#(<= 12012 (+ ULTIMATE.start_main_~x~4 ULTIMATE.start_main_~y~4)), 28628#(<= 1 ULTIMATE.start___VERIFIER_assert_~cond)] [2018-07-23 13:42:07,583 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 13:42:07,583 INFO L450 AbstractCegarLoop]: Interpolant automaton has 80 states [2018-07-23 13:42:07,584 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 80 interpolants. [2018-07-23 13:42:07,584 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=157, Invalid=6163, Unknown=0, NotChecked=0, Total=6320 [2018-07-23 13:42:07,584 INFO L87 Difference]: Start difference. First operand 157 states and 157 transitions. Second operand 80 states. [2018-07-23 13:42:08,673 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-07-23 13:42:08,673 INFO L93 Difference]: Finished difference Result 162 states and 162 transitions. [2018-07-23 13:42:08,674 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 80 states. [2018-07-23 13:42:08,674 INFO L78 Accepts]: Start accepts. Automaton has 80 states. Word has length 156 [2018-07-23 13:42:08,674 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-07-23 13:42:08,675 INFO L225 Difference]: With dead ends: 162 [2018-07-23 13:42:08,675 INFO L226 Difference]: Without dead ends: 160 [2018-07-23 13:42:08,676 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 13:42:08,676 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 160 states. [2018-07-23 13:42:08,729 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 160 to 159. [2018-07-23 13:42:08,729 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 159 states. [2018-07-23 13:42:08,730 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 159 states to 159 states and 159 transitions. [2018-07-23 13:42:08,730 INFO L78 Accepts]: Start accepts. Automaton has 159 states and 159 transitions. Word has length 156 [2018-07-23 13:42:08,730 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-07-23 13:42:08,730 INFO L471 AbstractCegarLoop]: Abstraction has 159 states and 159 transitions. [2018-07-23 13:42:08,730 INFO L472 AbstractCegarLoop]: Interpolant automaton has 80 states. [2018-07-23 13:42:08,730 INFO L276 IsEmpty]: Start isEmpty. Operand 159 states and 159 transitions. [2018-07-23 13:42:08,731 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 159 [2018-07-23 13:42:08,731 INFO L349 BasicCegarLoop]: Found error trace [2018-07-23 13:42:08,731 INFO L357 BasicCegarLoop]: trace histogram [78, 77, 1, 1, 1] [2018-07-23 13:42:08,731 INFO L414 AbstractCegarLoop]: === Iteration 78 === [ULTIMATE.startErr0AssertViolationASSERT]=== [2018-07-23 13:42:08,731 INFO L82 PathProgramCache]: Analyzing trace with hash 930006173, now seen corresponding path program 77 times [2018-07-23 13:42:08,732 INFO L69 tionRefinementEngine]: Using refinement strategy FixedRefinementStrategy [2018-07-23 13:42:08,843 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-07-23 13:42:09,492 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 13:42:09,492 INFO L309 seRefinementStrategy]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2018-07-23 13:42:09,492 INFO L324 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [80] total 80 [2018-07-23 13:42:09,492 INFO L142 lantAutomatonBuilder]: Constructing canonical interpolant automaton, with selfloop in false state [2018-07-23 13:42:09,492 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-07-23 13:42:09,493 INFO L185 omatonBuilderFactory]: Interpolants [29312#(<= 9360 (+ ULTIMATE.start_main_~x~4 (* 39 ULTIMATE.start_main_~y~4))), 29313#(<= 9512 (+ ULTIMATE.start_main_~x~4 (* 38 ULTIMATE.start_main_~y~4))), 29314#(<= 9660 (+ ULTIMATE.start_main_~x~4 (* 37 ULTIMATE.start_main_~y~4))), 29315#(<= 9804 (+ ULTIMATE.start_main_~x~4 (* 36 ULTIMATE.start_main_~y~4))), 29316#(<= 9944 (+ ULTIMATE.start_main_~x~4 (* 35 ULTIMATE.start_main_~y~4))), 29317#(<= 10080 (+ ULTIMATE.start_main_~x~4 (* 34 ULTIMATE.start_main_~y~4))), 29318#(<= 10212 (+ ULTIMATE.start_main_~x~4 (* 33 ULTIMATE.start_main_~y~4))), 29319#(<= 10340 (+ ULTIMATE.start_main_~x~4 (* 32 ULTIMATE.start_main_~y~4))), 29320#(<= 10464 (+ ULTIMATE.start_main_~x~4 (* 31 ULTIMATE.start_main_~y~4))), 29321#(<= 10584 (+ ULTIMATE.start_main_~x~4 (* 30 ULTIMATE.start_main_~y~4))), 29322#(<= 10700 (+ ULTIMATE.start_main_~x~4 (* 29 ULTIMATE.start_main_~y~4))), 29323#(<= 10812 (+ ULTIMATE.start_main_~x~4 (* 28 ULTIMATE.start_main_~y~4))), 29324#(<= 10920 (+ ULTIMATE.start_main_~x~4 (* 27 ULTIMATE.start_main_~y~4))), 29325#(<= 11024 (+ ULTIMATE.start_main_~x~4 (* 26 ULTIMATE.start_main_~y~4))), 29326#(<= 11124 (+ ULTIMATE.start_main_~x~4 (* 25 ULTIMATE.start_main_~y~4))), 29327#(<= 11220 (+ ULTIMATE.start_main_~x~4 (* 24 ULTIMATE.start_main_~y~4))), 29328#(<= 11312 (+ ULTIMATE.start_main_~x~4 (* 23 ULTIMATE.start_main_~y~4))), 29329#(<= 11400 (+ ULTIMATE.start_main_~x~4 (* 22 ULTIMATE.start_main_~y~4))), 29330#(<= 11484 (+ ULTIMATE.start_main_~x~4 (* 21 ULTIMATE.start_main_~y~4))), 29331#(<= 11564 (+ ULTIMATE.start_main_~x~4 (* 20 ULTIMATE.start_main_~y~4))), 29332#(<= 11640 (+ ULTIMATE.start_main_~x~4 (* 19 ULTIMATE.start_main_~y~4))), 29333#(<= 11712 (+ ULTIMATE.start_main_~x~4 (* 18 ULTIMATE.start_main_~y~4))), 29334#(<= 11780 (+ ULTIMATE.start_main_~x~4 (* 17 ULTIMATE.start_main_~y~4))), 29335#(<= 11844 (+ ULTIMATE.start_main_~x~4 (* 16 ULTIMATE.start_main_~y~4))), 29336#(<= 11904 (+ ULTIMATE.start_main_~x~4 (* 15 ULTIMATE.start_main_~y~4))), 29337#(<= 11960 (+ ULTIMATE.start_main_~x~4 (* 14 ULTIMATE.start_main_~y~4))), 29338#(<= 12012 (+ ULTIMATE.start_main_~x~4 (* 13 ULTIMATE.start_main_~y~4))), 29339#(<= 12060 (+ ULTIMATE.start_main_~x~4 (* 12 ULTIMATE.start_main_~y~4))), 29340#(<= 12104 (+ ULTIMATE.start_main_~x~4 (* 11 ULTIMATE.start_main_~y~4))), 29341#(<= 12144 (+ ULTIMATE.start_main_~x~4 (* 10 ULTIMATE.start_main_~y~4))), 29342#(<= 12180 (+ ULTIMATE.start_main_~x~4 (* 9 ULTIMATE.start_main_~y~4))), 29343#(<= 12212 (+ ULTIMATE.start_main_~x~4 (* 8 ULTIMATE.start_main_~y~4))), 29344#(<= 12240 (+ ULTIMATE.start_main_~x~4 (* 7 ULTIMATE.start_main_~y~4))), 29345#(<= 12264 (+ ULTIMATE.start_main_~x~4 (* 6 ULTIMATE.start_main_~y~4))), 29346#(<= 12284 (+ ULTIMATE.start_main_~x~4 (* 5 ULTIMATE.start_main_~y~4))), 29347#(<= 12300 (+ ULTIMATE.start_main_~x~4 (* 4 ULTIMATE.start_main_~y~4))), 29348#(<= 12312 (+ ULTIMATE.start_main_~x~4 (* 3 ULTIMATE.start_main_~y~4))), 29349#(<= 12320 (+ ULTIMATE.start_main_~x~4 (* 2 ULTIMATE.start_main_~y~4))), 29350#(<= 12324 (+ ULTIMATE.start_main_~x~4 ULTIMATE.start_main_~y~4)), 29351#(<= 1 ULTIMATE.start___VERIFIER_assert_~cond), 29271#true, 29272#false, 29273#(<= 312 (+ ULTIMATE.start_main_~x~4 (* 78 ULTIMATE.start_main_~y~4))), 29274#(<= 620 (+ ULTIMATE.start_main_~x~4 (* 77 ULTIMATE.start_main_~y~4))), 29275#(<= 924 (+ ULTIMATE.start_main_~x~4 (* 76 ULTIMATE.start_main_~y~4))), 29276#(<= 1224 (+ ULTIMATE.start_main_~x~4 (* 75 ULTIMATE.start_main_~y~4))), 29277#(<= 1520 (+ ULTIMATE.start_main_~x~4 (* 74 ULTIMATE.start_main_~y~4))), 29278#(<= 1812 (+ ULTIMATE.start_main_~x~4 (* 73 ULTIMATE.start_main_~y~4))), 29279#(<= 2100 (+ ULTIMATE.start_main_~x~4 (* 72 ULTIMATE.start_main_~y~4))), 29280#(<= 2384 (+ ULTIMATE.start_main_~x~4 (* 71 ULTIMATE.start_main_~y~4))), 29281#(<= 2664 (+ ULTIMATE.start_main_~x~4 (* 70 ULTIMATE.start_main_~y~4))), 29282#(<= 2940 (+ ULTIMATE.start_main_~x~4 (* 69 ULTIMATE.start_main_~y~4))), 29283#(<= 3212 (+ ULTIMATE.start_main_~x~4 (* 68 ULTIMATE.start_main_~y~4))), 29284#(<= 3480 (+ ULTIMATE.start_main_~x~4 (* 67 ULTIMATE.start_main_~y~4))), 29285#(<= 3744 (+ ULTIMATE.start_main_~x~4 (* 66 ULTIMATE.start_main_~y~4))), 29286#(<= 4004 (+ ULTIMATE.start_main_~x~4 (* 65 ULTIMATE.start_main_~y~4))), 29287#(<= 4260 (+ ULTIMATE.start_main_~x~4 (* 64 ULTIMATE.start_main_~y~4))), 29288#(<= 4512 (+ ULTIMATE.start_main_~x~4 (* 63 ULTIMATE.start_main_~y~4))), 29289#(<= 4760 (+ ULTIMATE.start_main_~x~4 (* 62 ULTIMATE.start_main_~y~4))), 29290#(<= 5004 (+ ULTIMATE.start_main_~x~4 (* 61 ULTIMATE.start_main_~y~4))), 29291#(<= 5244 (+ ULTIMATE.start_main_~x~4 (* 60 ULTIMATE.start_main_~y~4))), 29292#(<= 5480 (+ ULTIMATE.start_main_~x~4 (* 59 ULTIMATE.start_main_~y~4))), 29293#(<= 5712 (+ ULTIMATE.start_main_~x~4 (* 58 ULTIMATE.start_main_~y~4))), 29294#(<= 5940 (+ ULTIMATE.start_main_~x~4 (* 57 ULTIMATE.start_main_~y~4))), 29295#(<= 6164 (+ ULTIMATE.start_main_~x~4 (* 56 ULTIMATE.start_main_~y~4))), 29296#(<= 6384 (+ ULTIMATE.start_main_~x~4 (* 55 ULTIMATE.start_main_~y~4))), 29297#(<= 6600 (+ ULTIMATE.start_main_~x~4 (* 54 ULTIMATE.start_main_~y~4))), 29298#(<= 6812 (+ ULTIMATE.start_main_~x~4 (* 53 ULTIMATE.start_main_~y~4))), 29299#(<= 7020 (+ ULTIMATE.start_main_~x~4 (* 52 ULTIMATE.start_main_~y~4))), 29300#(<= 7224 (+ ULTIMATE.start_main_~x~4 (* 51 ULTIMATE.start_main_~y~4))), 29301#(<= 7424 (+ ULTIMATE.start_main_~x~4 (* 50 ULTIMATE.start_main_~y~4))), 29302#(<= 7620 (+ ULTIMATE.start_main_~x~4 (* 49 ULTIMATE.start_main_~y~4))), 29303#(<= 7812 (+ ULTIMATE.start_main_~x~4 (* 48 ULTIMATE.start_main_~y~4))), 29304#(<= 8000 (+ ULTIMATE.start_main_~x~4 (* 47 ULTIMATE.start_main_~y~4))), 29305#(<= 8184 (+ ULTIMATE.start_main_~x~4 (* 46 ULTIMATE.start_main_~y~4))), 29306#(<= 8364 (+ ULTIMATE.start_main_~x~4 (* 45 ULTIMATE.start_main_~y~4))), 29307#(<= 8540 (+ ULTIMATE.start_main_~x~4 (* 44 ULTIMATE.start_main_~y~4))), 29308#(<= 8712 (+ ULTIMATE.start_main_~x~4 (* 43 ULTIMATE.start_main_~y~4))), 29309#(<= 8880 (+ ULTIMATE.start_main_~x~4 (* 42 ULTIMATE.start_main_~y~4))), 29310#(<= 9044 (+ ULTIMATE.start_main_~x~4 (* 41 ULTIMATE.start_main_~y~4))), 29311#(<= 9204 (+ ULTIMATE.start_main_~x~4 (* 40 ULTIMATE.start_main_~y~4)))] [2018-07-23 13:42:09,493 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 13:42:09,493 INFO L450 AbstractCegarLoop]: Interpolant automaton has 81 states [2018-07-23 13:42:09,494 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 81 interpolants. [2018-07-23 13:42:09,494 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=159, Invalid=6321, Unknown=0, NotChecked=0, Total=6480 [2018-07-23 13:42:09,494 INFO L87 Difference]: Start difference. First operand 159 states and 159 transitions. Second operand 81 states. [2018-07-23 13:42:10,771 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-07-23 13:42:10,772 INFO L93 Difference]: Finished difference Result 164 states and 164 transitions. [2018-07-23 13:42:10,772 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 81 states. [2018-07-23 13:42:10,772 INFO L78 Accepts]: Start accepts. Automaton has 81 states. Word has length 158 [2018-07-23 13:42:10,772 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-07-23 13:42:10,773 INFO L225 Difference]: With dead ends: 164 [2018-07-23 13:42:10,773 INFO L226 Difference]: Without dead ends: 162 [2018-07-23 13:42:10,773 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 13:42:10,773 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 162 states. [2018-07-23 13:42:10,816 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 162 to 161. [2018-07-23 13:42:10,816 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 161 states. [2018-07-23 13:42:10,816 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 161 states to 161 states and 161 transitions. [2018-07-23 13:42:10,816 INFO L78 Accepts]: Start accepts. Automaton has 161 states and 161 transitions. Word has length 158 [2018-07-23 13:42:10,816 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-07-23 13:42:10,816 INFO L471 AbstractCegarLoop]: Abstraction has 161 states and 161 transitions. [2018-07-23 13:42:10,817 INFO L472 AbstractCegarLoop]: Interpolant automaton has 81 states. [2018-07-23 13:42:10,817 INFO L276 IsEmpty]: Start isEmpty. Operand 161 states and 161 transitions. [2018-07-23 13:42:10,817 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 161 [2018-07-23 13:42:10,817 INFO L349 BasicCegarLoop]: Found error trace [2018-07-23 13:42:10,817 INFO L357 BasicCegarLoop]: trace histogram [79, 78, 1, 1, 1] [2018-07-23 13:42:10,817 INFO L414 AbstractCegarLoop]: === Iteration 79 === [ULTIMATE.startErr0AssertViolationASSERT]=== [2018-07-23 13:42:10,818 INFO L82 PathProgramCache]: Analyzing trace with hash 382681383, now seen corresponding path program 78 times [2018-07-23 13:42:10,818 INFO L69 tionRefinementEngine]: Using refinement strategy FixedRefinementStrategy [2018-07-23 13:42:10,921 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-07-23 13:42:11,543 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 13:42:11,544 INFO L309 seRefinementStrategy]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2018-07-23 13:42:11,544 INFO L324 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [81] total 81 [2018-07-23 13:42:11,544 INFO L142 lantAutomatonBuilder]: Constructing canonical interpolant automaton, with selfloop in false state [2018-07-23 13:42:11,545 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-07-23 13:42:11,545 INFO L185 omatonBuilderFactory]: Interpolants [30080#(<= 12628 (+ ULTIMATE.start_main_~x~4 (* 3 ULTIMATE.start_main_~y~4))), 30081#(<= 12636 (+ ULTIMATE.start_main_~x~4 (* 2 ULTIMATE.start_main_~y~4))), 30082#(<= 12640 (+ ULTIMATE.start_main_~x~4 ULTIMATE.start_main_~y~4)), 30083#(<= 1 ULTIMATE.start___VERIFIER_assert_~cond), 30002#true, 30003#false, 30004#(<= 316 (+ ULTIMATE.start_main_~x~4 (* 79 ULTIMATE.start_main_~y~4))), 30005#(<= 628 (+ ULTIMATE.start_main_~x~4 (* 78 ULTIMATE.start_main_~y~4))), 30006#(<= 936 (+ ULTIMATE.start_main_~x~4 (* 77 ULTIMATE.start_main_~y~4))), 30007#(<= 1240 (+ ULTIMATE.start_main_~x~4 (* 76 ULTIMATE.start_main_~y~4))), 30008#(<= 1540 (+ ULTIMATE.start_main_~x~4 (* 75 ULTIMATE.start_main_~y~4))), 30009#(<= 1836 (+ ULTIMATE.start_main_~x~4 (* 74 ULTIMATE.start_main_~y~4))), 30010#(<= 2128 (+ ULTIMATE.start_main_~x~4 (* 73 ULTIMATE.start_main_~y~4))), 30011#(<= 2416 (+ ULTIMATE.start_main_~x~4 (* 72 ULTIMATE.start_main_~y~4))), 30012#(<= 2700 (+ ULTIMATE.start_main_~x~4 (* 71 ULTIMATE.start_main_~y~4))), 30013#(<= 2980 (+ ULTIMATE.start_main_~x~4 (* 70 ULTIMATE.start_main_~y~4))), 30014#(<= 3256 (+ ULTIMATE.start_main_~x~4 (* 69 ULTIMATE.start_main_~y~4))), 30015#(<= 3528 (+ ULTIMATE.start_main_~x~4 (* 68 ULTIMATE.start_main_~y~4))), 30016#(<= 3796 (+ ULTIMATE.start_main_~x~4 (* 67 ULTIMATE.start_main_~y~4))), 30017#(<= 4060 (+ ULTIMATE.start_main_~x~4 (* 66 ULTIMATE.start_main_~y~4))), 30018#(<= 4320 (+ ULTIMATE.start_main_~x~4 (* 65 ULTIMATE.start_main_~y~4))), 30019#(<= 4576 (+ ULTIMATE.start_main_~x~4 (* 64 ULTIMATE.start_main_~y~4))), 30020#(<= 4828 (+ ULTIMATE.start_main_~x~4 (* 63 ULTIMATE.start_main_~y~4))), 30021#(<= 5076 (+ ULTIMATE.start_main_~x~4 (* 62 ULTIMATE.start_main_~y~4))), 30022#(<= 5320 (+ ULTIMATE.start_main_~x~4 (* 61 ULTIMATE.start_main_~y~4))), 30023#(<= 5560 (+ ULTIMATE.start_main_~x~4 (* 60 ULTIMATE.start_main_~y~4))), 30024#(<= 5796 (+ ULTIMATE.start_main_~x~4 (* 59 ULTIMATE.start_main_~y~4))), 30025#(<= 6028 (+ ULTIMATE.start_main_~x~4 (* 58 ULTIMATE.start_main_~y~4))), 30026#(<= 6256 (+ ULTIMATE.start_main_~x~4 (* 57 ULTIMATE.start_main_~y~4))), 30027#(<= 6480 (+ ULTIMATE.start_main_~x~4 (* 56 ULTIMATE.start_main_~y~4))), 30028#(<= 6700 (+ ULTIMATE.start_main_~x~4 (* 55 ULTIMATE.start_main_~y~4))), 30029#(<= 6916 (+ ULTIMATE.start_main_~x~4 (* 54 ULTIMATE.start_main_~y~4))), 30030#(<= 7128 (+ ULTIMATE.start_main_~x~4 (* 53 ULTIMATE.start_main_~y~4))), 30031#(<= 7336 (+ ULTIMATE.start_main_~x~4 (* 52 ULTIMATE.start_main_~y~4))), 30032#(<= 7540 (+ ULTIMATE.start_main_~x~4 (* 51 ULTIMATE.start_main_~y~4))), 30033#(<= 7740 (+ ULTIMATE.start_main_~x~4 (* 50 ULTIMATE.start_main_~y~4))), 30034#(<= 7936 (+ ULTIMATE.start_main_~x~4 (* 49 ULTIMATE.start_main_~y~4))), 30035#(<= 8128 (+ ULTIMATE.start_main_~x~4 (* 48 ULTIMATE.start_main_~y~4))), 30036#(<= 8316 (+ ULTIMATE.start_main_~x~4 (* 47 ULTIMATE.start_main_~y~4))), 30037#(<= 8500 (+ ULTIMATE.start_main_~x~4 (* 46 ULTIMATE.start_main_~y~4))), 30038#(<= 8680 (+ ULTIMATE.start_main_~x~4 (* 45 ULTIMATE.start_main_~y~4))), 30039#(<= 8856 (+ ULTIMATE.start_main_~x~4 (* 44 ULTIMATE.start_main_~y~4))), 30040#(<= 9028 (+ ULTIMATE.start_main_~x~4 (* 43 ULTIMATE.start_main_~y~4))), 30041#(<= 9196 (+ ULTIMATE.start_main_~x~4 (* 42 ULTIMATE.start_main_~y~4))), 30042#(<= 9360 (+ ULTIMATE.start_main_~x~4 (* 41 ULTIMATE.start_main_~y~4))), 30043#(<= 9520 (+ ULTIMATE.start_main_~x~4 (* 40 ULTIMATE.start_main_~y~4))), 30044#(<= 9676 (+ ULTIMATE.start_main_~x~4 (* 39 ULTIMATE.start_main_~y~4))), 30045#(<= 9828 (+ ULTIMATE.start_main_~x~4 (* 38 ULTIMATE.start_main_~y~4))), 30046#(<= 9976 (+ ULTIMATE.start_main_~x~4 (* 37 ULTIMATE.start_main_~y~4))), 30047#(<= 10120 (+ ULTIMATE.start_main_~x~4 (* 36 ULTIMATE.start_main_~y~4))), 30048#(<= 10260 (+ ULTIMATE.start_main_~x~4 (* 35 ULTIMATE.start_main_~y~4))), 30049#(<= 10396 (+ ULTIMATE.start_main_~x~4 (* 34 ULTIMATE.start_main_~y~4))), 30050#(<= 10528 (+ ULTIMATE.start_main_~x~4 (* 33 ULTIMATE.start_main_~y~4))), 30051#(<= 10656 (+ ULTIMATE.start_main_~x~4 (* 32 ULTIMATE.start_main_~y~4))), 30052#(<= 10780 (+ ULTIMATE.start_main_~x~4 (* 31 ULTIMATE.start_main_~y~4))), 30053#(<= 10900 (+ ULTIMATE.start_main_~x~4 (* 30 ULTIMATE.start_main_~y~4))), 30054#(<= 11016 (+ ULTIMATE.start_main_~x~4 (* 29 ULTIMATE.start_main_~y~4))), 30055#(<= 11128 (+ ULTIMATE.start_main_~x~4 (* 28 ULTIMATE.start_main_~y~4))), 30056#(<= 11236 (+ ULTIMATE.start_main_~x~4 (* 27 ULTIMATE.start_main_~y~4))), 30057#(<= 11340 (+ ULTIMATE.start_main_~x~4 (* 26 ULTIMATE.start_main_~y~4))), 30058#(<= 11440 (+ ULTIMATE.start_main_~x~4 (* 25 ULTIMATE.start_main_~y~4))), 30059#(<= 11536 (+ ULTIMATE.start_main_~x~4 (* 24 ULTIMATE.start_main_~y~4))), 30060#(<= 11628 (+ ULTIMATE.start_main_~x~4 (* 23 ULTIMATE.start_main_~y~4))), 30061#(<= 11716 (+ ULTIMATE.start_main_~x~4 (* 22 ULTIMATE.start_main_~y~4))), 30062#(<= 11800 (+ ULTIMATE.start_main_~x~4 (* 21 ULTIMATE.start_main_~y~4))), 30063#(<= 11880 (+ ULTIMATE.start_main_~x~4 (* 20 ULTIMATE.start_main_~y~4))), 30064#(<= 11956 (+ ULTIMATE.start_main_~x~4 (* 19 ULTIMATE.start_main_~y~4))), 30065#(<= 12028 (+ ULTIMATE.start_main_~x~4 (* 18 ULTIMATE.start_main_~y~4))), 30066#(<= 12096 (+ ULTIMATE.start_main_~x~4 (* 17 ULTIMATE.start_main_~y~4))), 30067#(<= 12160 (+ ULTIMATE.start_main_~x~4 (* 16 ULTIMATE.start_main_~y~4))), 30068#(<= 12220 (+ ULTIMATE.start_main_~x~4 (* 15 ULTIMATE.start_main_~y~4))), 30069#(<= 12276 (+ ULTIMATE.start_main_~x~4 (* 14 ULTIMATE.start_main_~y~4))), 30070#(<= 12328 (+ ULTIMATE.start_main_~x~4 (* 13 ULTIMATE.start_main_~y~4))), 30071#(<= 12376 (+ ULTIMATE.start_main_~x~4 (* 12 ULTIMATE.start_main_~y~4))), 30072#(<= 12420 (+ ULTIMATE.start_main_~x~4 (* 11 ULTIMATE.start_main_~y~4))), 30073#(<= 12460 (+ ULTIMATE.start_main_~x~4 (* 10 ULTIMATE.start_main_~y~4))), 30074#(<= 12496 (+ ULTIMATE.start_main_~x~4 (* 9 ULTIMATE.start_main_~y~4))), 30075#(<= 12528 (+ ULTIMATE.start_main_~x~4 (* 8 ULTIMATE.start_main_~y~4))), 30076#(<= 12556 (+ ULTIMATE.start_main_~x~4 (* 7 ULTIMATE.start_main_~y~4))), 30077#(<= 12580 (+ ULTIMATE.start_main_~x~4 (* 6 ULTIMATE.start_main_~y~4))), 30078#(<= 12600 (+ ULTIMATE.start_main_~x~4 (* 5 ULTIMATE.start_main_~y~4))), 30079#(<= 12616 (+ ULTIMATE.start_main_~x~4 (* 4 ULTIMATE.start_main_~y~4)))] [2018-07-23 13:42:11,546 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 13:42:11,546 INFO L450 AbstractCegarLoop]: Interpolant automaton has 82 states [2018-07-23 13:42:11,547 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 82 interpolants. [2018-07-23 13:42:11,547 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=161, Invalid=6481, Unknown=0, NotChecked=0, Total=6642 [2018-07-23 13:42:11,547 INFO L87 Difference]: Start difference. First operand 161 states and 161 transitions. Second operand 82 states. [2018-07-23 13:42:12,559 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-07-23 13:42:12,560 INFO L93 Difference]: Finished difference Result 166 states and 166 transitions. [2018-07-23 13:42:12,560 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 82 states. [2018-07-23 13:42:12,560 INFO L78 Accepts]: Start accepts. Automaton has 82 states. Word has length 160 [2018-07-23 13:42:12,560 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-07-23 13:42:12,561 INFO L225 Difference]: With dead ends: 166 [2018-07-23 13:42:12,561 INFO L226 Difference]: Without dead ends: 164 [2018-07-23 13:42:12,561 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 13:42:12,562 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 164 states. [2018-07-23 13:42:12,615 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 164 to 163. [2018-07-23 13:42:12,616 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 163 states. [2018-07-23 13:42:12,616 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 163 states to 163 states and 163 transitions. [2018-07-23 13:42:12,616 INFO L78 Accepts]: Start accepts. Automaton has 163 states and 163 transitions. Word has length 160 [2018-07-23 13:42:12,616 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-07-23 13:42:12,616 INFO L471 AbstractCegarLoop]: Abstraction has 163 states and 163 transitions. [2018-07-23 13:42:12,617 INFO L472 AbstractCegarLoop]: Interpolant automaton has 82 states. [2018-07-23 13:42:12,617 INFO L276 IsEmpty]: Start isEmpty. Operand 163 states and 163 transitions. [2018-07-23 13:42:12,617 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 163 [2018-07-23 13:42:12,617 INFO L349 BasicCegarLoop]: Found error trace [2018-07-23 13:42:12,618 INFO L357 BasicCegarLoop]: trace histogram [80, 79, 1, 1, 1] [2018-07-23 13:42:12,618 INFO L414 AbstractCegarLoop]: === Iteration 80 === [ULTIMATE.startErr0AssertViolationASSERT]=== [2018-07-23 13:42:12,618 INFO L82 PathProgramCache]: Analyzing trace with hash -1610431695, now seen corresponding path program 79 times [2018-07-23 13:42:12,618 INFO L69 tionRefinementEngine]: Using refinement strategy FixedRefinementStrategy [2018-07-23 13:42:12,723 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-07-23 13:42:13,377 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 13:42:13,377 INFO L309 seRefinementStrategy]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2018-07-23 13:42:13,377 INFO L324 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [82] total 82 [2018-07-23 13:42:13,377 INFO L142 lantAutomatonBuilder]: Constructing canonical interpolant automaton, with selfloop in false state [2018-07-23 13:42:13,378 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-07-23 13:42:13,378 INFO L185 omatonBuilderFactory]: Interpolants [30742#true, 30743#false, 30744#(<= 320 (+ ULTIMATE.start_main_~x~4 (* 80 ULTIMATE.start_main_~y~4))), 30745#(<= 636 (+ ULTIMATE.start_main_~x~4 (* 79 ULTIMATE.start_main_~y~4))), 30746#(<= 948 (+ ULTIMATE.start_main_~x~4 (* 78 ULTIMATE.start_main_~y~4))), 30747#(<= 1256 (+ ULTIMATE.start_main_~x~4 (* 77 ULTIMATE.start_main_~y~4))), 30748#(<= 1560 (+ ULTIMATE.start_main_~x~4 (* 76 ULTIMATE.start_main_~y~4))), 30749#(<= 1860 (+ ULTIMATE.start_main_~x~4 (* 75 ULTIMATE.start_main_~y~4))), 30750#(<= 2156 (+ ULTIMATE.start_main_~x~4 (* 74 ULTIMATE.start_main_~y~4))), 30751#(<= 2448 (+ ULTIMATE.start_main_~x~4 (* 73 ULTIMATE.start_main_~y~4))), 30752#(<= 2736 (+ ULTIMATE.start_main_~x~4 (* 72 ULTIMATE.start_main_~y~4))), 30753#(<= 3020 (+ ULTIMATE.start_main_~x~4 (* 71 ULTIMATE.start_main_~y~4))), 30754#(<= 3300 (+ ULTIMATE.start_main_~x~4 (* 70 ULTIMATE.start_main_~y~4))), 30755#(<= 3576 (+ ULTIMATE.start_main_~x~4 (* 69 ULTIMATE.start_main_~y~4))), 30756#(<= 3848 (+ ULTIMATE.start_main_~x~4 (* 68 ULTIMATE.start_main_~y~4))), 30757#(<= 4116 (+ ULTIMATE.start_main_~x~4 (* 67 ULTIMATE.start_main_~y~4))), 30758#(<= 4380 (+ ULTIMATE.start_main_~x~4 (* 66 ULTIMATE.start_main_~y~4))), 30759#(<= 4640 (+ ULTIMATE.start_main_~x~4 (* 65 ULTIMATE.start_main_~y~4))), 30760#(<= 4896 (+ ULTIMATE.start_main_~x~4 (* 64 ULTIMATE.start_main_~y~4))), 30761#(<= 5148 (+ ULTIMATE.start_main_~x~4 (* 63 ULTIMATE.start_main_~y~4))), 30762#(<= 5396 (+ ULTIMATE.start_main_~x~4 (* 62 ULTIMATE.start_main_~y~4))), 30763#(<= 5640 (+ ULTIMATE.start_main_~x~4 (* 61 ULTIMATE.start_main_~y~4))), 30764#(<= 5880 (+ ULTIMATE.start_main_~x~4 (* 60 ULTIMATE.start_main_~y~4))), 30765#(<= 6116 (+ ULTIMATE.start_main_~x~4 (* 59 ULTIMATE.start_main_~y~4))), 30766#(<= 6348 (+ ULTIMATE.start_main_~x~4 (* 58 ULTIMATE.start_main_~y~4))), 30767#(<= 6576 (+ ULTIMATE.start_main_~x~4 (* 57 ULTIMATE.start_main_~y~4))), 30768#(<= 6800 (+ ULTIMATE.start_main_~x~4 (* 56 ULTIMATE.start_main_~y~4))), 30769#(<= 7020 (+ ULTIMATE.start_main_~x~4 (* 55 ULTIMATE.start_main_~y~4))), 30770#(<= 7236 (+ ULTIMATE.start_main_~x~4 (* 54 ULTIMATE.start_main_~y~4))), 30771#(<= 7448 (+ ULTIMATE.start_main_~x~4 (* 53 ULTIMATE.start_main_~y~4))), 30772#(<= 7656 (+ ULTIMATE.start_main_~x~4 (* 52 ULTIMATE.start_main_~y~4))), 30773#(<= 7860 (+ ULTIMATE.start_main_~x~4 (* 51 ULTIMATE.start_main_~y~4))), 30774#(<= 8060 (+ ULTIMATE.start_main_~x~4 (* 50 ULTIMATE.start_main_~y~4))), 30775#(<= 8256 (+ ULTIMATE.start_main_~x~4 (* 49 ULTIMATE.start_main_~y~4))), 30776#(<= 8448 (+ ULTIMATE.start_main_~x~4 (* 48 ULTIMATE.start_main_~y~4))), 30777#(<= 8636 (+ ULTIMATE.start_main_~x~4 (* 47 ULTIMATE.start_main_~y~4))), 30778#(<= 8820 (+ ULTIMATE.start_main_~x~4 (* 46 ULTIMATE.start_main_~y~4))), 30779#(<= 9000 (+ ULTIMATE.start_main_~x~4 (* 45 ULTIMATE.start_main_~y~4))), 30780#(<= 9176 (+ ULTIMATE.start_main_~x~4 (* 44 ULTIMATE.start_main_~y~4))), 30781#(<= 9348 (+ ULTIMATE.start_main_~x~4 (* 43 ULTIMATE.start_main_~y~4))), 30782#(<= 9516 (+ ULTIMATE.start_main_~x~4 (* 42 ULTIMATE.start_main_~y~4))), 30783#(<= 9680 (+ ULTIMATE.start_main_~x~4 (* 41 ULTIMATE.start_main_~y~4))), 30784#(<= 9840 (+ ULTIMATE.start_main_~x~4 (* 40 ULTIMATE.start_main_~y~4))), 30785#(<= 9996 (+ ULTIMATE.start_main_~x~4 (* 39 ULTIMATE.start_main_~y~4))), 30786#(<= 10148 (+ ULTIMATE.start_main_~x~4 (* 38 ULTIMATE.start_main_~y~4))), 30787#(<= 10296 (+ ULTIMATE.start_main_~x~4 (* 37 ULTIMATE.start_main_~y~4))), 30788#(<= 10440 (+ ULTIMATE.start_main_~x~4 (* 36 ULTIMATE.start_main_~y~4))), 30789#(<= 10580 (+ ULTIMATE.start_main_~x~4 (* 35 ULTIMATE.start_main_~y~4))), 30790#(<= 10716 (+ ULTIMATE.start_main_~x~4 (* 34 ULTIMATE.start_main_~y~4))), 30791#(<= 10848 (+ ULTIMATE.start_main_~x~4 (* 33 ULTIMATE.start_main_~y~4))), 30792#(<= 10976 (+ ULTIMATE.start_main_~x~4 (* 32 ULTIMATE.start_main_~y~4))), 30793#(<= 11100 (+ ULTIMATE.start_main_~x~4 (* 31 ULTIMATE.start_main_~y~4))), 30794#(<= 11220 (+ ULTIMATE.start_main_~x~4 (* 30 ULTIMATE.start_main_~y~4))), 30795#(<= 11336 (+ ULTIMATE.start_main_~x~4 (* 29 ULTIMATE.start_main_~y~4))), 30796#(<= 11448 (+ ULTIMATE.start_main_~x~4 (* 28 ULTIMATE.start_main_~y~4))), 30797#(<= 11556 (+ ULTIMATE.start_main_~x~4 (* 27 ULTIMATE.start_main_~y~4))), 30798#(<= 11660 (+ ULTIMATE.start_main_~x~4 (* 26 ULTIMATE.start_main_~y~4))), 30799#(<= 11760 (+ ULTIMATE.start_main_~x~4 (* 25 ULTIMATE.start_main_~y~4))), 30800#(<= 11856 (+ ULTIMATE.start_main_~x~4 (* 24 ULTIMATE.start_main_~y~4))), 30801#(<= 11948 (+ ULTIMATE.start_main_~x~4 (* 23 ULTIMATE.start_main_~y~4))), 30802#(<= 12036 (+ ULTIMATE.start_main_~x~4 (* 22 ULTIMATE.start_main_~y~4))), 30803#(<= 12120 (+ ULTIMATE.start_main_~x~4 (* 21 ULTIMATE.start_main_~y~4))), 30804#(<= 12200 (+ ULTIMATE.start_main_~x~4 (* 20 ULTIMATE.start_main_~y~4))), 30805#(<= 12276 (+ ULTIMATE.start_main_~x~4 (* 19 ULTIMATE.start_main_~y~4))), 30806#(<= 12348 (+ ULTIMATE.start_main_~x~4 (* 18 ULTIMATE.start_main_~y~4))), 30807#(<= 12416 (+ ULTIMATE.start_main_~x~4 (* 17 ULTIMATE.start_main_~y~4))), 30808#(<= 12480 (+ ULTIMATE.start_main_~x~4 (* 16 ULTIMATE.start_main_~y~4))), 30809#(<= 12540 (+ ULTIMATE.start_main_~x~4 (* 15 ULTIMATE.start_main_~y~4))), 30810#(<= 12596 (+ ULTIMATE.start_main_~x~4 (* 14 ULTIMATE.start_main_~y~4))), 30811#(<= 12648 (+ ULTIMATE.start_main_~x~4 (* 13 ULTIMATE.start_main_~y~4))), 30812#(<= 12696 (+ ULTIMATE.start_main_~x~4 (* 12 ULTIMATE.start_main_~y~4))), 30813#(<= 12740 (+ ULTIMATE.start_main_~x~4 (* 11 ULTIMATE.start_main_~y~4))), 30814#(<= 12780 (+ ULTIMATE.start_main_~x~4 (* 10 ULTIMATE.start_main_~y~4))), 30815#(<= 12816 (+ ULTIMATE.start_main_~x~4 (* 9 ULTIMATE.start_main_~y~4))), 30816#(<= 12848 (+ ULTIMATE.start_main_~x~4 (* 8 ULTIMATE.start_main_~y~4))), 30817#(<= 12876 (+ ULTIMATE.start_main_~x~4 (* 7 ULTIMATE.start_main_~y~4))), 30818#(<= 12900 (+ ULTIMATE.start_main_~x~4 (* 6 ULTIMATE.start_main_~y~4))), 30819#(<= 12920 (+ ULTIMATE.start_main_~x~4 (* 5 ULTIMATE.start_main_~y~4))), 30820#(<= 12936 (+ ULTIMATE.start_main_~x~4 (* 4 ULTIMATE.start_main_~y~4))), 30821#(<= 12948 (+ ULTIMATE.start_main_~x~4 (* 3 ULTIMATE.start_main_~y~4))), 30822#(<= 12956 (+ ULTIMATE.start_main_~x~4 (* 2 ULTIMATE.start_main_~y~4))), 30823#(<= 12960 (+ ULTIMATE.start_main_~x~4 ULTIMATE.start_main_~y~4)), 30824#(<= 1 ULTIMATE.start___VERIFIER_assert_~cond)] [2018-07-23 13:42:13,378 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 13:42:13,379 INFO L450 AbstractCegarLoop]: Interpolant automaton has 83 states [2018-07-23 13:42:13,379 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 83 interpolants. [2018-07-23 13:42:13,379 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=163, Invalid=6643, Unknown=0, NotChecked=0, Total=6806 [2018-07-23 13:42:13,379 INFO L87 Difference]: Start difference. First operand 163 states and 163 transitions. Second operand 83 states. [2018-07-23 13:42:14,752 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-07-23 13:42:14,753 INFO L93 Difference]: Finished difference Result 168 states and 168 transitions. [2018-07-23 13:42:14,753 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 83 states. [2018-07-23 13:42:14,753 INFO L78 Accepts]: Start accepts. Automaton has 83 states. Word has length 162 [2018-07-23 13:42:14,753 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-07-23 13:42:14,754 INFO L225 Difference]: With dead ends: 168 [2018-07-23 13:42:14,754 INFO L226 Difference]: Without dead ends: 166 [2018-07-23 13:42:14,755 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 13:42:14,755 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 166 states. [2018-07-23 13:42:14,811 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 166 to 165. [2018-07-23 13:42:14,812 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 165 states. [2018-07-23 13:42:14,812 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 165 states to 165 states and 165 transitions. [2018-07-23 13:42:14,812 INFO L78 Accepts]: Start accepts. Automaton has 165 states and 165 transitions. Word has length 162 [2018-07-23 13:42:14,813 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-07-23 13:42:14,813 INFO L471 AbstractCegarLoop]: Abstraction has 165 states and 165 transitions. [2018-07-23 13:42:14,813 INFO L472 AbstractCegarLoop]: Interpolant automaton has 83 states. [2018-07-23 13:42:14,813 INFO L276 IsEmpty]: Start isEmpty. Operand 165 states and 165 transitions. [2018-07-23 13:42:14,813 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 165 [2018-07-23 13:42:14,813 INFO L349 BasicCegarLoop]: Found error trace [2018-07-23 13:42:14,814 INFO L357 BasicCegarLoop]: trace histogram [81, 80, 1, 1, 1] [2018-07-23 13:42:14,814 INFO L414 AbstractCegarLoop]: === Iteration 81 === [ULTIMATE.startErr0AssertViolationASSERT]=== [2018-07-23 13:42:14,814 INFO L82 PathProgramCache]: Analyzing trace with hash -1436685637, now seen corresponding path program 80 times [2018-07-23 13:42:14,814 INFO L69 tionRefinementEngine]: Using refinement strategy FixedRefinementStrategy [2018-07-23 13:42:14,929 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-07-23 13:42:15,594 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 13:42:15,595 INFO L309 seRefinementStrategy]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2018-07-23 13:42:15,595 INFO L324 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [83] total 83 [2018-07-23 13:42:15,595 INFO L142 lantAutomatonBuilder]: Constructing canonical interpolant automaton, with selfloop in false state [2018-07-23 13:42:15,595 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 13:42:15,596 INFO L185 omatonBuilderFactory]: Interpolants [31491#true, 31492#false, 31493#(<= 324 (+ ULTIMATE.start_main_~x~4 (* 81 ULTIMATE.start_main_~y~4))), 31494#(<= 644 (+ ULTIMATE.start_main_~x~4 (* 80 ULTIMATE.start_main_~y~4))), 31495#(<= 960 (+ ULTIMATE.start_main_~x~4 (* 79 ULTIMATE.start_main_~y~4))), 31496#(<= 1272 (+ ULTIMATE.start_main_~x~4 (* 78 ULTIMATE.start_main_~y~4))), 31497#(<= 1580 (+ ULTIMATE.start_main_~x~4 (* 77 ULTIMATE.start_main_~y~4))), 31498#(<= 1884 (+ ULTIMATE.start_main_~x~4 (* 76 ULTIMATE.start_main_~y~4))), 31499#(<= 2184 (+ ULTIMATE.start_main_~x~4 (* 75 ULTIMATE.start_main_~y~4))), 31500#(<= 2480 (+ ULTIMATE.start_main_~x~4 (* 74 ULTIMATE.start_main_~y~4))), 31501#(<= 2772 (+ ULTIMATE.start_main_~x~4 (* 73 ULTIMATE.start_main_~y~4))), 31502#(<= 3060 (+ ULTIMATE.start_main_~x~4 (* 72 ULTIMATE.start_main_~y~4))), 31503#(<= 3344 (+ ULTIMATE.start_main_~x~4 (* 71 ULTIMATE.start_main_~y~4))), 31504#(<= 3624 (+ ULTIMATE.start_main_~x~4 (* 70 ULTIMATE.start_main_~y~4))), 31505#(<= 3900 (+ ULTIMATE.start_main_~x~4 (* 69 ULTIMATE.start_main_~y~4))), 31506#(<= 4172 (+ ULTIMATE.start_main_~x~4 (* 68 ULTIMATE.start_main_~y~4))), 31507#(<= 4440 (+ ULTIMATE.start_main_~x~4 (* 67 ULTIMATE.start_main_~y~4))), 31508#(<= 4704 (+ ULTIMATE.start_main_~x~4 (* 66 ULTIMATE.start_main_~y~4))), 31509#(<= 4964 (+ ULTIMATE.start_main_~x~4 (* 65 ULTIMATE.start_main_~y~4))), 31510#(<= 5220 (+ ULTIMATE.start_main_~x~4 (* 64 ULTIMATE.start_main_~y~4))), 31511#(<= 5472 (+ ULTIMATE.start_main_~x~4 (* 63 ULTIMATE.start_main_~y~4))), 31512#(<= 5720 (+ ULTIMATE.start_main_~x~4 (* 62 ULTIMATE.start_main_~y~4))), 31513#(<= 5964 (+ ULTIMATE.start_main_~x~4 (* 61 ULTIMATE.start_main_~y~4))), 31514#(<= 6204 (+ ULTIMATE.start_main_~x~4 (* 60 ULTIMATE.start_main_~y~4))), 31515#(<= 6440 (+ ULTIMATE.start_main_~x~4 (* 59 ULTIMATE.start_main_~y~4))), 31516#(<= 6672 (+ ULTIMATE.start_main_~x~4 (* 58 ULTIMATE.start_main_~y~4))), 31517#(<= 6900 (+ ULTIMATE.start_main_~x~4 (* 57 ULTIMATE.start_main_~y~4))), 31518#(<= 7124 (+ ULTIMATE.start_main_~x~4 (* 56 ULTIMATE.start_main_~y~4))), 31519#(<= 7344 (+ ULTIMATE.start_main_~x~4 (* 55 ULTIMATE.start_main_~y~4))), 31520#(<= 7560 (+ ULTIMATE.start_main_~x~4 (* 54 ULTIMATE.start_main_~y~4))), 31521#(<= 7772 (+ ULTIMATE.start_main_~x~4 (* 53 ULTIMATE.start_main_~y~4))), 31522#(<= 7980 (+ ULTIMATE.start_main_~x~4 (* 52 ULTIMATE.start_main_~y~4))), 31523#(<= 8184 (+ ULTIMATE.start_main_~x~4 (* 51 ULTIMATE.start_main_~y~4))), 31524#(<= 8384 (+ ULTIMATE.start_main_~x~4 (* 50 ULTIMATE.start_main_~y~4))), 31525#(<= 8580 (+ ULTIMATE.start_main_~x~4 (* 49 ULTIMATE.start_main_~y~4))), 31526#(<= 8772 (+ ULTIMATE.start_main_~x~4 (* 48 ULTIMATE.start_main_~y~4))), 31527#(<= 8960 (+ ULTIMATE.start_main_~x~4 (* 47 ULTIMATE.start_main_~y~4))), 31528#(<= 9144 (+ ULTIMATE.start_main_~x~4 (* 46 ULTIMATE.start_main_~y~4))), 31529#(<= 9324 (+ ULTIMATE.start_main_~x~4 (* 45 ULTIMATE.start_main_~y~4))), 31530#(<= 9500 (+ ULTIMATE.start_main_~x~4 (* 44 ULTIMATE.start_main_~y~4))), 31531#(<= 9672 (+ ULTIMATE.start_main_~x~4 (* 43 ULTIMATE.start_main_~y~4))), 31532#(<= 9840 (+ ULTIMATE.start_main_~x~4 (* 42 ULTIMATE.start_main_~y~4))), 31533#(<= 10004 (+ ULTIMATE.start_main_~x~4 (* 41 ULTIMATE.start_main_~y~4))), 31534#(<= 10164 (+ ULTIMATE.start_main_~x~4 (* 40 ULTIMATE.start_main_~y~4))), 31535#(<= 10320 (+ ULTIMATE.start_main_~x~4 (* 39 ULTIMATE.start_main_~y~4))), 31536#(<= 10472 (+ ULTIMATE.start_main_~x~4 (* 38 ULTIMATE.start_main_~y~4))), 31537#(<= 10620 (+ ULTIMATE.start_main_~x~4 (* 37 ULTIMATE.start_main_~y~4))), 31538#(<= 10764 (+ ULTIMATE.start_main_~x~4 (* 36 ULTIMATE.start_main_~y~4))), 31539#(<= 10904 (+ ULTIMATE.start_main_~x~4 (* 35 ULTIMATE.start_main_~y~4))), 31540#(<= 11040 (+ ULTIMATE.start_main_~x~4 (* 34 ULTIMATE.start_main_~y~4))), 31541#(<= 11172 (+ ULTIMATE.start_main_~x~4 (* 33 ULTIMATE.start_main_~y~4))), 31542#(<= 11300 (+ ULTIMATE.start_main_~x~4 (* 32 ULTIMATE.start_main_~y~4))), 31543#(<= 11424 (+ ULTIMATE.start_main_~x~4 (* 31 ULTIMATE.start_main_~y~4))), 31544#(<= 11544 (+ ULTIMATE.start_main_~x~4 (* 30 ULTIMATE.start_main_~y~4))), 31545#(<= 11660 (+ ULTIMATE.start_main_~x~4 (* 29 ULTIMATE.start_main_~y~4))), 31546#(<= 11772 (+ ULTIMATE.start_main_~x~4 (* 28 ULTIMATE.start_main_~y~4))), 31547#(<= 11880 (+ ULTIMATE.start_main_~x~4 (* 27 ULTIMATE.start_main_~y~4))), 31548#(<= 11984 (+ ULTIMATE.start_main_~x~4 (* 26 ULTIMATE.start_main_~y~4))), 31549#(<= 12084 (+ ULTIMATE.start_main_~x~4 (* 25 ULTIMATE.start_main_~y~4))), 31550#(<= 12180 (+ ULTIMATE.start_main_~x~4 (* 24 ULTIMATE.start_main_~y~4))), 31551#(<= 12272 (+ ULTIMATE.start_main_~x~4 (* 23 ULTIMATE.start_main_~y~4))), 31552#(<= 12360 (+ ULTIMATE.start_main_~x~4 (* 22 ULTIMATE.start_main_~y~4))), 31553#(<= 12444 (+ ULTIMATE.start_main_~x~4 (* 21 ULTIMATE.start_main_~y~4))), 31554#(<= 12524 (+ ULTIMATE.start_main_~x~4 (* 20 ULTIMATE.start_main_~y~4))), 31555#(<= 12600 (+ ULTIMATE.start_main_~x~4 (* 19 ULTIMATE.start_main_~y~4))), 31556#(<= 12672 (+ ULTIMATE.start_main_~x~4 (* 18 ULTIMATE.start_main_~y~4))), 31557#(<= 12740 (+ ULTIMATE.start_main_~x~4 (* 17 ULTIMATE.start_main_~y~4))), 31558#(<= 12804 (+ ULTIMATE.start_main_~x~4 (* 16 ULTIMATE.start_main_~y~4))), 31559#(<= 12864 (+ ULTIMATE.start_main_~x~4 (* 15 ULTIMATE.start_main_~y~4))), 31560#(<= 12920 (+ ULTIMATE.start_main_~x~4 (* 14 ULTIMATE.start_main_~y~4))), 31561#(<= 12972 (+ ULTIMATE.start_main_~x~4 (* 13 ULTIMATE.start_main_~y~4))), 31562#(<= 13020 (+ ULTIMATE.start_main_~x~4 (* 12 ULTIMATE.start_main_~y~4))), 31563#(<= 13064 (+ ULTIMATE.start_main_~x~4 (* 11 ULTIMATE.start_main_~y~4))), 31564#(<= 13104 (+ ULTIMATE.start_main_~x~4 (* 10 ULTIMATE.start_main_~y~4))), 31565#(<= 13140 (+ ULTIMATE.start_main_~x~4 (* 9 ULTIMATE.start_main_~y~4))), 31566#(<= 13172 (+ ULTIMATE.start_main_~x~4 (* 8 ULTIMATE.start_main_~y~4))), 31567#(<= 13200 (+ ULTIMATE.start_main_~x~4 (* 7 ULTIMATE.start_main_~y~4))), 31568#(<= 13224 (+ ULTIMATE.start_main_~x~4 (* 6 ULTIMATE.start_main_~y~4))), 31569#(<= 13244 (+ ULTIMATE.start_main_~x~4 (* 5 ULTIMATE.start_main_~y~4))), 31570#(<= 13260 (+ ULTIMATE.start_main_~x~4 (* 4 ULTIMATE.start_main_~y~4))), 31571#(<= 13272 (+ ULTIMATE.start_main_~x~4 (* 3 ULTIMATE.start_main_~y~4))), 31572#(<= 13280 (+ ULTIMATE.start_main_~x~4 (* 2 ULTIMATE.start_main_~y~4))), 31573#(<= 13284 (+ ULTIMATE.start_main_~x~4 ULTIMATE.start_main_~y~4)), 31574#(<= 1 ULTIMATE.start___VERIFIER_assert_~cond)] [2018-07-23 13:42:15,596 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 13:42:15,596 INFO L450 AbstractCegarLoop]: Interpolant automaton has 84 states [2018-07-23 13:42:15,596 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 84 interpolants. [2018-07-23 13:42:15,597 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=165, Invalid=6807, Unknown=0, NotChecked=0, Total=6972 [2018-07-23 13:42:15,597 INFO L87 Difference]: Start difference. First operand 165 states and 165 transitions. Second operand 84 states. [2018-07-23 13:42:16,794 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-07-23 13:42:16,794 INFO L93 Difference]: Finished difference Result 170 states and 170 transitions. [2018-07-23 13:42:16,795 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 84 states. [2018-07-23 13:42:16,795 INFO L78 Accepts]: Start accepts. Automaton has 84 states. Word has length 164 [2018-07-23 13:42:16,795 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-07-23 13:42:16,796 INFO L225 Difference]: With dead ends: 170 [2018-07-23 13:42:16,796 INFO L226 Difference]: Without dead ends: 168 [2018-07-23 13:42:16,796 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 13:42:16,797 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 168 states. [2018-07-23 13:42:16,844 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 168 to 167. [2018-07-23 13:42:16,845 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 167 states. [2018-07-23 13:42:16,845 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 167 states to 167 states and 167 transitions. [2018-07-23 13:42:16,845 INFO L78 Accepts]: Start accepts. Automaton has 167 states and 167 transitions. Word has length 164 [2018-07-23 13:42:16,845 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-07-23 13:42:16,845 INFO L471 AbstractCegarLoop]: Abstraction has 167 states and 167 transitions. [2018-07-23 13:42:16,845 INFO L472 AbstractCegarLoop]: Interpolant automaton has 84 states. [2018-07-23 13:42:16,845 INFO L276 IsEmpty]: Start isEmpty. Operand 167 states and 167 transitions. [2018-07-23 13:42:16,846 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 167 [2018-07-23 13:42:16,846 INFO L349 BasicCegarLoop]: Found error trace [2018-07-23 13:42:16,846 INFO L357 BasicCegarLoop]: trace histogram [82, 81, 1, 1, 1] [2018-07-23 13:42:16,846 INFO L414 AbstractCegarLoop]: === Iteration 82 === [ULTIMATE.startErr0AssertViolationASSERT]=== [2018-07-23 13:42:16,846 INFO L82 PathProgramCache]: Analyzing trace with hash -1970448443, now seen corresponding path program 81 times [2018-07-23 13:42:16,847 INFO L69 tionRefinementEngine]: Using refinement strategy FixedRefinementStrategy [2018-07-23 13:42:16,962 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-07-23 13:42:17,644 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 13:42:17,644 INFO L309 seRefinementStrategy]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2018-07-23 13:42:17,644 INFO L324 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [84] total 84 [2018-07-23 13:42:17,645 INFO L142 lantAutomatonBuilder]: Constructing canonical interpolant automaton, with selfloop in false state [2018-07-23 13:42:17,645 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-07-23 13:42:17,645 INFO L185 omatonBuilderFactory]: Interpolants [32256#(<= 1908 (+ ULTIMATE.start_main_~x~4 (* 77 ULTIMATE.start_main_~y~4))), 32257#(<= 2212 (+ ULTIMATE.start_main_~x~4 (* 76 ULTIMATE.start_main_~y~4))), 32258#(<= 2512 (+ ULTIMATE.start_main_~x~4 (* 75 ULTIMATE.start_main_~y~4))), 32259#(<= 2808 (+ ULTIMATE.start_main_~x~4 (* 74 ULTIMATE.start_main_~y~4))), 32260#(<= 3100 (+ ULTIMATE.start_main_~x~4 (* 73 ULTIMATE.start_main_~y~4))), 32261#(<= 3388 (+ ULTIMATE.start_main_~x~4 (* 72 ULTIMATE.start_main_~y~4))), 32262#(<= 3672 (+ ULTIMATE.start_main_~x~4 (* 71 ULTIMATE.start_main_~y~4))), 32263#(<= 3952 (+ ULTIMATE.start_main_~x~4 (* 70 ULTIMATE.start_main_~y~4))), 32264#(<= 4228 (+ ULTIMATE.start_main_~x~4 (* 69 ULTIMATE.start_main_~y~4))), 32265#(<= 4500 (+ ULTIMATE.start_main_~x~4 (* 68 ULTIMATE.start_main_~y~4))), 32266#(<= 4768 (+ ULTIMATE.start_main_~x~4 (* 67 ULTIMATE.start_main_~y~4))), 32267#(<= 5032 (+ ULTIMATE.start_main_~x~4 (* 66 ULTIMATE.start_main_~y~4))), 32268#(<= 5292 (+ ULTIMATE.start_main_~x~4 (* 65 ULTIMATE.start_main_~y~4))), 32269#(<= 5548 (+ ULTIMATE.start_main_~x~4 (* 64 ULTIMATE.start_main_~y~4))), 32270#(<= 5800 (+ ULTIMATE.start_main_~x~4 (* 63 ULTIMATE.start_main_~y~4))), 32271#(<= 6048 (+ ULTIMATE.start_main_~x~4 (* 62 ULTIMATE.start_main_~y~4))), 32272#(<= 6292 (+ ULTIMATE.start_main_~x~4 (* 61 ULTIMATE.start_main_~y~4))), 32273#(<= 6532 (+ ULTIMATE.start_main_~x~4 (* 60 ULTIMATE.start_main_~y~4))), 32274#(<= 6768 (+ ULTIMATE.start_main_~x~4 (* 59 ULTIMATE.start_main_~y~4))), 32275#(<= 7000 (+ ULTIMATE.start_main_~x~4 (* 58 ULTIMATE.start_main_~y~4))), 32276#(<= 7228 (+ ULTIMATE.start_main_~x~4 (* 57 ULTIMATE.start_main_~y~4))), 32277#(<= 7452 (+ ULTIMATE.start_main_~x~4 (* 56 ULTIMATE.start_main_~y~4))), 32278#(<= 7672 (+ ULTIMATE.start_main_~x~4 (* 55 ULTIMATE.start_main_~y~4))), 32279#(<= 7888 (+ ULTIMATE.start_main_~x~4 (* 54 ULTIMATE.start_main_~y~4))), 32280#(<= 8100 (+ ULTIMATE.start_main_~x~4 (* 53 ULTIMATE.start_main_~y~4))), 32281#(<= 8308 (+ ULTIMATE.start_main_~x~4 (* 52 ULTIMATE.start_main_~y~4))), 32282#(<= 8512 (+ ULTIMATE.start_main_~x~4 (* 51 ULTIMATE.start_main_~y~4))), 32283#(<= 8712 (+ ULTIMATE.start_main_~x~4 (* 50 ULTIMATE.start_main_~y~4))), 32284#(<= 8908 (+ ULTIMATE.start_main_~x~4 (* 49 ULTIMATE.start_main_~y~4))), 32285#(<= 9100 (+ ULTIMATE.start_main_~x~4 (* 48 ULTIMATE.start_main_~y~4))), 32286#(<= 9288 (+ ULTIMATE.start_main_~x~4 (* 47 ULTIMATE.start_main_~y~4))), 32287#(<= 9472 (+ ULTIMATE.start_main_~x~4 (* 46 ULTIMATE.start_main_~y~4))), 32288#(<= 9652 (+ ULTIMATE.start_main_~x~4 (* 45 ULTIMATE.start_main_~y~4))), 32289#(<= 9828 (+ ULTIMATE.start_main_~x~4 (* 44 ULTIMATE.start_main_~y~4))), 32290#(<= 10000 (+ ULTIMATE.start_main_~x~4 (* 43 ULTIMATE.start_main_~y~4))), 32291#(<= 10168 (+ ULTIMATE.start_main_~x~4 (* 42 ULTIMATE.start_main_~y~4))), 32292#(<= 10332 (+ ULTIMATE.start_main_~x~4 (* 41 ULTIMATE.start_main_~y~4))), 32293#(<= 10492 (+ ULTIMATE.start_main_~x~4 (* 40 ULTIMATE.start_main_~y~4))), 32294#(<= 10648 (+ ULTIMATE.start_main_~x~4 (* 39 ULTIMATE.start_main_~y~4))), 32295#(<= 10800 (+ ULTIMATE.start_main_~x~4 (* 38 ULTIMATE.start_main_~y~4))), 32296#(<= 10948 (+ ULTIMATE.start_main_~x~4 (* 37 ULTIMATE.start_main_~y~4))), 32297#(<= 11092 (+ ULTIMATE.start_main_~x~4 (* 36 ULTIMATE.start_main_~y~4))), 32298#(<= 11232 (+ ULTIMATE.start_main_~x~4 (* 35 ULTIMATE.start_main_~y~4))), 32299#(<= 11368 (+ ULTIMATE.start_main_~x~4 (* 34 ULTIMATE.start_main_~y~4))), 32300#(<= 11500 (+ ULTIMATE.start_main_~x~4 (* 33 ULTIMATE.start_main_~y~4))), 32301#(<= 11628 (+ ULTIMATE.start_main_~x~4 (* 32 ULTIMATE.start_main_~y~4))), 32302#(<= 11752 (+ ULTIMATE.start_main_~x~4 (* 31 ULTIMATE.start_main_~y~4))), 32303#(<= 11872 (+ ULTIMATE.start_main_~x~4 (* 30 ULTIMATE.start_main_~y~4))), 32304#(<= 11988 (+ ULTIMATE.start_main_~x~4 (* 29 ULTIMATE.start_main_~y~4))), 32305#(<= 12100 (+ ULTIMATE.start_main_~x~4 (* 28 ULTIMATE.start_main_~y~4))), 32306#(<= 12208 (+ ULTIMATE.start_main_~x~4 (* 27 ULTIMATE.start_main_~y~4))), 32307#(<= 12312 (+ ULTIMATE.start_main_~x~4 (* 26 ULTIMATE.start_main_~y~4))), 32308#(<= 12412 (+ ULTIMATE.start_main_~x~4 (* 25 ULTIMATE.start_main_~y~4))), 32309#(<= 12508 (+ ULTIMATE.start_main_~x~4 (* 24 ULTIMATE.start_main_~y~4))), 32310#(<= 12600 (+ ULTIMATE.start_main_~x~4 (* 23 ULTIMATE.start_main_~y~4))), 32311#(<= 12688 (+ ULTIMATE.start_main_~x~4 (* 22 ULTIMATE.start_main_~y~4))), 32312#(<= 12772 (+ ULTIMATE.start_main_~x~4 (* 21 ULTIMATE.start_main_~y~4))), 32313#(<= 12852 (+ ULTIMATE.start_main_~x~4 (* 20 ULTIMATE.start_main_~y~4))), 32314#(<= 12928 (+ ULTIMATE.start_main_~x~4 (* 19 ULTIMATE.start_main_~y~4))), 32315#(<= 13000 (+ ULTIMATE.start_main_~x~4 (* 18 ULTIMATE.start_main_~y~4))), 32316#(<= 13068 (+ ULTIMATE.start_main_~x~4 (* 17 ULTIMATE.start_main_~y~4))), 32317#(<= 13132 (+ ULTIMATE.start_main_~x~4 (* 16 ULTIMATE.start_main_~y~4))), 32318#(<= 13192 (+ ULTIMATE.start_main_~x~4 (* 15 ULTIMATE.start_main_~y~4))), 32319#(<= 13248 (+ ULTIMATE.start_main_~x~4 (* 14 ULTIMATE.start_main_~y~4))), 32320#(<= 13300 (+ ULTIMATE.start_main_~x~4 (* 13 ULTIMATE.start_main_~y~4))), 32321#(<= 13348 (+ ULTIMATE.start_main_~x~4 (* 12 ULTIMATE.start_main_~y~4))), 32322#(<= 13392 (+ ULTIMATE.start_main_~x~4 (* 11 ULTIMATE.start_main_~y~4))), 32323#(<= 13432 (+ ULTIMATE.start_main_~x~4 (* 10 ULTIMATE.start_main_~y~4))), 32324#(<= 13468 (+ ULTIMATE.start_main_~x~4 (* 9 ULTIMATE.start_main_~y~4))), 32325#(<= 13500 (+ ULTIMATE.start_main_~x~4 (* 8 ULTIMATE.start_main_~y~4))), 32326#(<= 13528 (+ ULTIMATE.start_main_~x~4 (* 7 ULTIMATE.start_main_~y~4))), 32327#(<= 13552 (+ ULTIMATE.start_main_~x~4 (* 6 ULTIMATE.start_main_~y~4))), 32328#(<= 13572 (+ ULTIMATE.start_main_~x~4 (* 5 ULTIMATE.start_main_~y~4))), 32329#(<= 13588 (+ ULTIMATE.start_main_~x~4 (* 4 ULTIMATE.start_main_~y~4))), 32330#(<= 13600 (+ ULTIMATE.start_main_~x~4 (* 3 ULTIMATE.start_main_~y~4))), 32331#(<= 13608 (+ ULTIMATE.start_main_~x~4 (* 2 ULTIMATE.start_main_~y~4))), 32332#(<= 13612 (+ ULTIMATE.start_main_~x~4 ULTIMATE.start_main_~y~4)), 32333#(<= 1 ULTIMATE.start___VERIFIER_assert_~cond), 32249#true, 32250#false, 32251#(<= 328 (+ ULTIMATE.start_main_~x~4 (* 82 ULTIMATE.start_main_~y~4))), 32252#(<= 652 (+ ULTIMATE.start_main_~x~4 (* 81 ULTIMATE.start_main_~y~4))), 32253#(<= 972 (+ ULTIMATE.start_main_~x~4 (* 80 ULTIMATE.start_main_~y~4))), 32254#(<= 1288 (+ ULTIMATE.start_main_~x~4 (* 79 ULTIMATE.start_main_~y~4))), 32255#(<= 1600 (+ ULTIMATE.start_main_~x~4 (* 78 ULTIMATE.start_main_~y~4)))] [2018-07-23 13:42:17,646 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 13:42:17,646 INFO L450 AbstractCegarLoop]: Interpolant automaton has 85 states [2018-07-23 13:42:17,646 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 85 interpolants. [2018-07-23 13:42:17,646 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=167, Invalid=6973, Unknown=0, NotChecked=0, Total=7140 [2018-07-23 13:42:17,647 INFO L87 Difference]: Start difference. First operand 167 states and 167 transitions. Second operand 85 states. [2018-07-23 13:42:18,883 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-07-23 13:42:18,883 INFO L93 Difference]: Finished difference Result 172 states and 172 transitions. [2018-07-23 13:42:18,883 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 85 states. [2018-07-23 13:42:18,883 INFO L78 Accepts]: Start accepts. Automaton has 85 states. Word has length 166 [2018-07-23 13:42:18,883 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-07-23 13:42:18,884 INFO L225 Difference]: With dead ends: 172 [2018-07-23 13:42:18,884 INFO L226 Difference]: Without dead ends: 170 [2018-07-23 13:42:18,885 INFO L575 BasicCegarLoop]: 0 DeclaredPredicates, 84 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 83 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=167, Invalid=6973, Unknown=0, NotChecked=0, Total=7140 [2018-07-23 13:42:18,885 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 170 states. [2018-07-23 13:42:18,932 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 170 to 169. [2018-07-23 13:42:18,933 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 169 states. [2018-07-23 13:42:18,933 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 169 states to 169 states and 169 transitions. [2018-07-23 13:42:18,933 INFO L78 Accepts]: Start accepts. Automaton has 169 states and 169 transitions. Word has length 166 [2018-07-23 13:42:18,933 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-07-23 13:42:18,933 INFO L471 AbstractCegarLoop]: Abstraction has 169 states and 169 transitions. [2018-07-23 13:42:18,933 INFO L472 AbstractCegarLoop]: Interpolant automaton has 85 states. [2018-07-23 13:42:18,933 INFO L276 IsEmpty]: Start isEmpty. Operand 169 states and 169 transitions. [2018-07-23 13:42:18,934 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 169 [2018-07-23 13:42:18,934 INFO L349 BasicCegarLoop]: Found error trace [2018-07-23 13:42:18,934 INFO L357 BasicCegarLoop]: trace histogram [83, 82, 1, 1, 1] [2018-07-23 13:42:18,934 INFO L414 AbstractCegarLoop]: === Iteration 83 === [ULTIMATE.startErr0AssertViolationASSERT]=== [2018-07-23 13:42:18,934 INFO L82 PathProgramCache]: Analyzing trace with hash 479570511, now seen corresponding path program 82 times [2018-07-23 13:42:18,934 INFO L69 tionRefinementEngine]: Using refinement strategy FixedRefinementStrategy [2018-07-23 13:42:19,040 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-07-23 13:42:19,779 INFO L134 CoverageAnalysis]: Checked inductivity of 6806 backedges. 0 proven. 6806 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-07-23 13:42:19,779 INFO L309 seRefinementStrategy]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2018-07-23 13:42:19,779 INFO L324 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [85] total 85 [2018-07-23 13:42:19,779 INFO L142 lantAutomatonBuilder]: Constructing canonical interpolant automaton, with selfloop in false state [2018-07-23 13:42:19,780 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-07-23 13:42:19,780 INFO L185 omatonBuilderFactory]: Interpolants [33024#(<= 2240 (+ ULTIMATE.start_main_~x~4 (* 77 ULTIMATE.start_main_~y~4))), 33025#(<= 2544 (+ ULTIMATE.start_main_~x~4 (* 76 ULTIMATE.start_main_~y~4))), 33026#(<= 2844 (+ ULTIMATE.start_main_~x~4 (* 75 ULTIMATE.start_main_~y~4))), 33027#(<= 3140 (+ ULTIMATE.start_main_~x~4 (* 74 ULTIMATE.start_main_~y~4))), 33028#(<= 3432 (+ ULTIMATE.start_main_~x~4 (* 73 ULTIMATE.start_main_~y~4))), 33029#(<= 3720 (+ ULTIMATE.start_main_~x~4 (* 72 ULTIMATE.start_main_~y~4))), 33030#(<= 4004 (+ ULTIMATE.start_main_~x~4 (* 71 ULTIMATE.start_main_~y~4))), 33031#(<= 4284 (+ ULTIMATE.start_main_~x~4 (* 70 ULTIMATE.start_main_~y~4))), 33032#(<= 4560 (+ ULTIMATE.start_main_~x~4 (* 69 ULTIMATE.start_main_~y~4))), 33033#(<= 4832 (+ ULTIMATE.start_main_~x~4 (* 68 ULTIMATE.start_main_~y~4))), 33034#(<= 5100 (+ ULTIMATE.start_main_~x~4 (* 67 ULTIMATE.start_main_~y~4))), 33035#(<= 5364 (+ ULTIMATE.start_main_~x~4 (* 66 ULTIMATE.start_main_~y~4))), 33036#(<= 5624 (+ ULTIMATE.start_main_~x~4 (* 65 ULTIMATE.start_main_~y~4))), 33037#(<= 5880 (+ ULTIMATE.start_main_~x~4 (* 64 ULTIMATE.start_main_~y~4))), 33038#(<= 6132 (+ ULTIMATE.start_main_~x~4 (* 63 ULTIMATE.start_main_~y~4))), 33039#(<= 6380 (+ ULTIMATE.start_main_~x~4 (* 62 ULTIMATE.start_main_~y~4))), 33040#(<= 6624 (+ ULTIMATE.start_main_~x~4 (* 61 ULTIMATE.start_main_~y~4))), 33041#(<= 6864 (+ ULTIMATE.start_main_~x~4 (* 60 ULTIMATE.start_main_~y~4))), 33042#(<= 7100 (+ ULTIMATE.start_main_~x~4 (* 59 ULTIMATE.start_main_~y~4))), 33043#(<= 7332 (+ ULTIMATE.start_main_~x~4 (* 58 ULTIMATE.start_main_~y~4))), 33044#(<= 7560 (+ ULTIMATE.start_main_~x~4 (* 57 ULTIMATE.start_main_~y~4))), 33045#(<= 7784 (+ ULTIMATE.start_main_~x~4 (* 56 ULTIMATE.start_main_~y~4))), 33046#(<= 8004 (+ ULTIMATE.start_main_~x~4 (* 55 ULTIMATE.start_main_~y~4))), 33047#(<= 8220 (+ ULTIMATE.start_main_~x~4 (* 54 ULTIMATE.start_main_~y~4))), 33048#(<= 8432 (+ ULTIMATE.start_main_~x~4 (* 53 ULTIMATE.start_main_~y~4))), 33049#(<= 8640 (+ ULTIMATE.start_main_~x~4 (* 52 ULTIMATE.start_main_~y~4))), 33050#(<= 8844 (+ ULTIMATE.start_main_~x~4 (* 51 ULTIMATE.start_main_~y~4))), 33051#(<= 9044 (+ ULTIMATE.start_main_~x~4 (* 50 ULTIMATE.start_main_~y~4))), 33052#(<= 9240 (+ ULTIMATE.start_main_~x~4 (* 49 ULTIMATE.start_main_~y~4))), 33053#(<= 9432 (+ ULTIMATE.start_main_~x~4 (* 48 ULTIMATE.start_main_~y~4))), 33054#(<= 9620 (+ ULTIMATE.start_main_~x~4 (* 47 ULTIMATE.start_main_~y~4))), 33055#(<= 9804 (+ ULTIMATE.start_main_~x~4 (* 46 ULTIMATE.start_main_~y~4))), 33056#(<= 9984 (+ ULTIMATE.start_main_~x~4 (* 45 ULTIMATE.start_main_~y~4))), 33057#(<= 10160 (+ ULTIMATE.start_main_~x~4 (* 44 ULTIMATE.start_main_~y~4))), 33058#(<= 10332 (+ ULTIMATE.start_main_~x~4 (* 43 ULTIMATE.start_main_~y~4))), 33059#(<= 10500 (+ ULTIMATE.start_main_~x~4 (* 42 ULTIMATE.start_main_~y~4))), 33060#(<= 10664 (+ ULTIMATE.start_main_~x~4 (* 41 ULTIMATE.start_main_~y~4))), 33061#(<= 10824 (+ ULTIMATE.start_main_~x~4 (* 40 ULTIMATE.start_main_~y~4))), 33062#(<= 10980 (+ ULTIMATE.start_main_~x~4 (* 39 ULTIMATE.start_main_~y~4))), 33063#(<= 11132 (+ ULTIMATE.start_main_~x~4 (* 38 ULTIMATE.start_main_~y~4))), 33064#(<= 11280 (+ ULTIMATE.start_main_~x~4 (* 37 ULTIMATE.start_main_~y~4))), 33065#(<= 11424 (+ ULTIMATE.start_main_~x~4 (* 36 ULTIMATE.start_main_~y~4))), 33066#(<= 11564 (+ ULTIMATE.start_main_~x~4 (* 35 ULTIMATE.start_main_~y~4))), 33067#(<= 11700 (+ ULTIMATE.start_main_~x~4 (* 34 ULTIMATE.start_main_~y~4))), 33068#(<= 11832 (+ ULTIMATE.start_main_~x~4 (* 33 ULTIMATE.start_main_~y~4))), 33069#(<= 11960 (+ ULTIMATE.start_main_~x~4 (* 32 ULTIMATE.start_main_~y~4))), 33070#(<= 12084 (+ ULTIMATE.start_main_~x~4 (* 31 ULTIMATE.start_main_~y~4))), 33071#(<= 12204 (+ ULTIMATE.start_main_~x~4 (* 30 ULTIMATE.start_main_~y~4))), 33072#(<= 12320 (+ ULTIMATE.start_main_~x~4 (* 29 ULTIMATE.start_main_~y~4))), 33073#(<= 12432 (+ ULTIMATE.start_main_~x~4 (* 28 ULTIMATE.start_main_~y~4))), 33074#(<= 12540 (+ ULTIMATE.start_main_~x~4 (* 27 ULTIMATE.start_main_~y~4))), 33075#(<= 12644 (+ ULTIMATE.start_main_~x~4 (* 26 ULTIMATE.start_main_~y~4))), 33076#(<= 12744 (+ ULTIMATE.start_main_~x~4 (* 25 ULTIMATE.start_main_~y~4))), 33077#(<= 12840 (+ ULTIMATE.start_main_~x~4 (* 24 ULTIMATE.start_main_~y~4))), 33078#(<= 12932 (+ ULTIMATE.start_main_~x~4 (* 23 ULTIMATE.start_main_~y~4))), 33079#(<= 13020 (+ ULTIMATE.start_main_~x~4 (* 22 ULTIMATE.start_main_~y~4))), 33080#(<= 13104 (+ ULTIMATE.start_main_~x~4 (* 21 ULTIMATE.start_main_~y~4))), 33081#(<= 13184 (+ ULTIMATE.start_main_~x~4 (* 20 ULTIMATE.start_main_~y~4))), 33082#(<= 13260 (+ ULTIMATE.start_main_~x~4 (* 19 ULTIMATE.start_main_~y~4))), 33083#(<= 13332 (+ ULTIMATE.start_main_~x~4 (* 18 ULTIMATE.start_main_~y~4))), 33084#(<= 13400 (+ ULTIMATE.start_main_~x~4 (* 17 ULTIMATE.start_main_~y~4))), 33085#(<= 13464 (+ ULTIMATE.start_main_~x~4 (* 16 ULTIMATE.start_main_~y~4))), 33086#(<= 13524 (+ ULTIMATE.start_main_~x~4 (* 15 ULTIMATE.start_main_~y~4))), 33087#(<= 13580 (+ ULTIMATE.start_main_~x~4 (* 14 ULTIMATE.start_main_~y~4))), 33088#(<= 13632 (+ ULTIMATE.start_main_~x~4 (* 13 ULTIMATE.start_main_~y~4))), 33089#(<= 13680 (+ ULTIMATE.start_main_~x~4 (* 12 ULTIMATE.start_main_~y~4))), 33090#(<= 13724 (+ ULTIMATE.start_main_~x~4 (* 11 ULTIMATE.start_main_~y~4))), 33091#(<= 13764 (+ ULTIMATE.start_main_~x~4 (* 10 ULTIMATE.start_main_~y~4))), 33092#(<= 13800 (+ ULTIMATE.start_main_~x~4 (* 9 ULTIMATE.start_main_~y~4))), 33093#(<= 13832 (+ ULTIMATE.start_main_~x~4 (* 8 ULTIMATE.start_main_~y~4))), 33094#(<= 13860 (+ ULTIMATE.start_main_~x~4 (* 7 ULTIMATE.start_main_~y~4))), 33095#(<= 13884 (+ ULTIMATE.start_main_~x~4 (* 6 ULTIMATE.start_main_~y~4))), 33096#(<= 13904 (+ ULTIMATE.start_main_~x~4 (* 5 ULTIMATE.start_main_~y~4))), 33097#(<= 13920 (+ ULTIMATE.start_main_~x~4 (* 4 ULTIMATE.start_main_~y~4))), 33098#(<= 13932 (+ ULTIMATE.start_main_~x~4 (* 3 ULTIMATE.start_main_~y~4))), 33099#(<= 13940 (+ ULTIMATE.start_main_~x~4 (* 2 ULTIMATE.start_main_~y~4))), 33100#(<= 13944 (+ ULTIMATE.start_main_~x~4 ULTIMATE.start_main_~y~4)), 33101#(<= 1 ULTIMATE.start___VERIFIER_assert_~cond), 33016#true, 33017#false, 33018#(<= 332 (+ ULTIMATE.start_main_~x~4 (* 83 ULTIMATE.start_main_~y~4))), 33019#(<= 660 (+ ULTIMATE.start_main_~x~4 (* 82 ULTIMATE.start_main_~y~4))), 33020#(<= 984 (+ ULTIMATE.start_main_~x~4 (* 81 ULTIMATE.start_main_~y~4))), 33021#(<= 1304 (+ ULTIMATE.start_main_~x~4 (* 80 ULTIMATE.start_main_~y~4))), 33022#(<= 1620 (+ ULTIMATE.start_main_~x~4 (* 79 ULTIMATE.start_main_~y~4))), 33023#(<= 1932 (+ ULTIMATE.start_main_~x~4 (* 78 ULTIMATE.start_main_~y~4)))] [2018-07-23 13:42:19,780 INFO L134 CoverageAnalysis]: Checked inductivity of 6806 backedges. 0 proven. 6806 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-07-23 13:42:19,781 INFO L450 AbstractCegarLoop]: Interpolant automaton has 86 states [2018-07-23 13:42:19,781 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 86 interpolants. [2018-07-23 13:42:19,781 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=169, Invalid=7141, Unknown=0, NotChecked=0, Total=7310 [2018-07-23 13:42:19,781 INFO L87 Difference]: Start difference. First operand 169 states and 169 transitions. Second operand 86 states. [2018-07-23 13:42:21,085 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-07-23 13:42:21,085 INFO L93 Difference]: Finished difference Result 174 states and 174 transitions. [2018-07-23 13:42:21,085 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 86 states. [2018-07-23 13:42:21,085 INFO L78 Accepts]: Start accepts. Automaton has 86 states. Word has length 168 [2018-07-23 13:42:21,085 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-07-23 13:42:21,086 INFO L225 Difference]: With dead ends: 174 [2018-07-23 13:42:21,086 INFO L226 Difference]: Without dead ends: 172 [2018-07-23 13:42:21,087 INFO L575 BasicCegarLoop]: 0 DeclaredPredicates, 85 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 84 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=169, Invalid=7141, Unknown=0, NotChecked=0, Total=7310 [2018-07-23 13:42:21,087 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 172 states. [2018-07-23 13:42:21,153 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 172 to 171. [2018-07-23 13:42:21,153 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 171 states. [2018-07-23 13:42:21,154 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 171 states to 171 states and 171 transitions. [2018-07-23 13:42:21,154 INFO L78 Accepts]: Start accepts. Automaton has 171 states and 171 transitions. Word has length 168 [2018-07-23 13:42:21,154 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-07-23 13:42:21,154 INFO L471 AbstractCegarLoop]: Abstraction has 171 states and 171 transitions. [2018-07-23 13:42:21,154 INFO L472 AbstractCegarLoop]: Interpolant automaton has 86 states. [2018-07-23 13:42:21,155 INFO L276 IsEmpty]: Start isEmpty. Operand 171 states and 171 transitions. [2018-07-23 13:42:21,155 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 171 [2018-07-23 13:42:21,155 INFO L349 BasicCegarLoop]: Found error trace [2018-07-23 13:42:21,156 INFO L357 BasicCegarLoop]: trace histogram [84, 83, 1, 1, 1] [2018-07-23 13:42:21,156 INFO L414 AbstractCegarLoop]: === Iteration 84 === [ULTIMATE.startErr0AssertViolationASSERT]=== [2018-07-23 13:42:21,156 INFO L82 PathProgramCache]: Analyzing trace with hash 1305707097, now seen corresponding path program 83 times [2018-07-23 13:42:21,156 INFO L69 tionRefinementEngine]: Using refinement strategy FixedRefinementStrategy [2018-07-23 13:42:21,283 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-07-23 13:42:22,022 INFO L134 CoverageAnalysis]: Checked inductivity of 6972 backedges. 0 proven. 6972 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-07-23 13:42:22,022 INFO L309 seRefinementStrategy]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2018-07-23 13:42:22,022 INFO L324 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [86] total 86 [2018-07-23 13:42:22,022 INFO L142 lantAutomatonBuilder]: Constructing canonical interpolant automaton, with selfloop in false state [2018-07-23 13:42:22,022 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-07-23 13:42:22,023 INFO L185 omatonBuilderFactory]: Interpolants [33792#true, 33793#false, 33794#(<= 336 (+ ULTIMATE.start_main_~x~4 (* 84 ULTIMATE.start_main_~y~4))), 33795#(<= 668 (+ ULTIMATE.start_main_~x~4 (* 83 ULTIMATE.start_main_~y~4))), 33796#(<= 996 (+ ULTIMATE.start_main_~x~4 (* 82 ULTIMATE.start_main_~y~4))), 33797#(<= 1320 (+ ULTIMATE.start_main_~x~4 (* 81 ULTIMATE.start_main_~y~4))), 33798#(<= 1640 (+ ULTIMATE.start_main_~x~4 (* 80 ULTIMATE.start_main_~y~4))), 33799#(<= 1956 (+ ULTIMATE.start_main_~x~4 (* 79 ULTIMATE.start_main_~y~4))), 33800#(<= 2268 (+ ULTIMATE.start_main_~x~4 (* 78 ULTIMATE.start_main_~y~4))), 33801#(<= 2576 (+ ULTIMATE.start_main_~x~4 (* 77 ULTIMATE.start_main_~y~4))), 33802#(<= 2880 (+ ULTIMATE.start_main_~x~4 (* 76 ULTIMATE.start_main_~y~4))), 33803#(<= 3180 (+ ULTIMATE.start_main_~x~4 (* 75 ULTIMATE.start_main_~y~4))), 33804#(<= 3476 (+ ULTIMATE.start_main_~x~4 (* 74 ULTIMATE.start_main_~y~4))), 33805#(<= 3768 (+ ULTIMATE.start_main_~x~4 (* 73 ULTIMATE.start_main_~y~4))), 33806#(<= 4056 (+ ULTIMATE.start_main_~x~4 (* 72 ULTIMATE.start_main_~y~4))), 33807#(<= 4340 (+ ULTIMATE.start_main_~x~4 (* 71 ULTIMATE.start_main_~y~4))), 33808#(<= 4620 (+ ULTIMATE.start_main_~x~4 (* 70 ULTIMATE.start_main_~y~4))), 33809#(<= 4896 (+ ULTIMATE.start_main_~x~4 (* 69 ULTIMATE.start_main_~y~4))), 33810#(<= 5168 (+ ULTIMATE.start_main_~x~4 (* 68 ULTIMATE.start_main_~y~4))), 33811#(<= 5436 (+ ULTIMATE.start_main_~x~4 (* 67 ULTIMATE.start_main_~y~4))), 33812#(<= 5700 (+ ULTIMATE.start_main_~x~4 (* 66 ULTIMATE.start_main_~y~4))), 33813#(<= 5960 (+ ULTIMATE.start_main_~x~4 (* 65 ULTIMATE.start_main_~y~4))), 33814#(<= 6216 (+ ULTIMATE.start_main_~x~4 (* 64 ULTIMATE.start_main_~y~4))), 33815#(<= 6468 (+ ULTIMATE.start_main_~x~4 (* 63 ULTIMATE.start_main_~y~4))), 33816#(<= 6716 (+ ULTIMATE.start_main_~x~4 (* 62 ULTIMATE.start_main_~y~4))), 33817#(<= 6960 (+ ULTIMATE.start_main_~x~4 (* 61 ULTIMATE.start_main_~y~4))), 33818#(<= 7200 (+ ULTIMATE.start_main_~x~4 (* 60 ULTIMATE.start_main_~y~4))), 33819#(<= 7436 (+ ULTIMATE.start_main_~x~4 (* 59 ULTIMATE.start_main_~y~4))), 33820#(<= 7668 (+ ULTIMATE.start_main_~x~4 (* 58 ULTIMATE.start_main_~y~4))), 33821#(<= 7896 (+ ULTIMATE.start_main_~x~4 (* 57 ULTIMATE.start_main_~y~4))), 33822#(<= 8120 (+ ULTIMATE.start_main_~x~4 (* 56 ULTIMATE.start_main_~y~4))), 33823#(<= 8340 (+ ULTIMATE.start_main_~x~4 (* 55 ULTIMATE.start_main_~y~4))), 33824#(<= 8556 (+ ULTIMATE.start_main_~x~4 (* 54 ULTIMATE.start_main_~y~4))), 33825#(<= 8768 (+ ULTIMATE.start_main_~x~4 (* 53 ULTIMATE.start_main_~y~4))), 33826#(<= 8976 (+ ULTIMATE.start_main_~x~4 (* 52 ULTIMATE.start_main_~y~4))), 33827#(<= 9180 (+ ULTIMATE.start_main_~x~4 (* 51 ULTIMATE.start_main_~y~4))), 33828#(<= 9380 (+ ULTIMATE.start_main_~x~4 (* 50 ULTIMATE.start_main_~y~4))), 33829#(<= 9576 (+ ULTIMATE.start_main_~x~4 (* 49 ULTIMATE.start_main_~y~4))), 33830#(<= 9768 (+ ULTIMATE.start_main_~x~4 (* 48 ULTIMATE.start_main_~y~4))), 33831#(<= 9956 (+ ULTIMATE.start_main_~x~4 (* 47 ULTIMATE.start_main_~y~4))), 33832#(<= 10140 (+ ULTIMATE.start_main_~x~4 (* 46 ULTIMATE.start_main_~y~4))), 33833#(<= 10320 (+ ULTIMATE.start_main_~x~4 (* 45 ULTIMATE.start_main_~y~4))), 33834#(<= 10496 (+ ULTIMATE.start_main_~x~4 (* 44 ULTIMATE.start_main_~y~4))), 33835#(<= 10668 (+ ULTIMATE.start_main_~x~4 (* 43 ULTIMATE.start_main_~y~4))), 33836#(<= 10836 (+ ULTIMATE.start_main_~x~4 (* 42 ULTIMATE.start_main_~y~4))), 33837#(<= 11000 (+ ULTIMATE.start_main_~x~4 (* 41 ULTIMATE.start_main_~y~4))), 33838#(<= 11160 (+ ULTIMATE.start_main_~x~4 (* 40 ULTIMATE.start_main_~y~4))), 33839#(<= 11316 (+ ULTIMATE.start_main_~x~4 (* 39 ULTIMATE.start_main_~y~4))), 33840#(<= 11468 (+ ULTIMATE.start_main_~x~4 (* 38 ULTIMATE.start_main_~y~4))), 33841#(<= 11616 (+ ULTIMATE.start_main_~x~4 (* 37 ULTIMATE.start_main_~y~4))), 33842#(<= 11760 (+ ULTIMATE.start_main_~x~4 (* 36 ULTIMATE.start_main_~y~4))), 33843#(<= 11900 (+ ULTIMATE.start_main_~x~4 (* 35 ULTIMATE.start_main_~y~4))), 33844#(<= 12036 (+ ULTIMATE.start_main_~x~4 (* 34 ULTIMATE.start_main_~y~4))), 33845#(<= 12168 (+ ULTIMATE.start_main_~x~4 (* 33 ULTIMATE.start_main_~y~4))), 33846#(<= 12296 (+ ULTIMATE.start_main_~x~4 (* 32 ULTIMATE.start_main_~y~4))), 33847#(<= 12420 (+ ULTIMATE.start_main_~x~4 (* 31 ULTIMATE.start_main_~y~4))), 33848#(<= 12540 (+ ULTIMATE.start_main_~x~4 (* 30 ULTIMATE.start_main_~y~4))), 33849#(<= 12656 (+ ULTIMATE.start_main_~x~4 (* 29 ULTIMATE.start_main_~y~4))), 33850#(<= 12768 (+ ULTIMATE.start_main_~x~4 (* 28 ULTIMATE.start_main_~y~4))), 33851#(<= 12876 (+ ULTIMATE.start_main_~x~4 (* 27 ULTIMATE.start_main_~y~4))), 33852#(<= 12980 (+ ULTIMATE.start_main_~x~4 (* 26 ULTIMATE.start_main_~y~4))), 33853#(<= 13080 (+ ULTIMATE.start_main_~x~4 (* 25 ULTIMATE.start_main_~y~4))), 33854#(<= 13176 (+ ULTIMATE.start_main_~x~4 (* 24 ULTIMATE.start_main_~y~4))), 33855#(<= 13268 (+ ULTIMATE.start_main_~x~4 (* 23 ULTIMATE.start_main_~y~4))), 33856#(<= 13356 (+ ULTIMATE.start_main_~x~4 (* 22 ULTIMATE.start_main_~y~4))), 33857#(<= 13440 (+ ULTIMATE.start_main_~x~4 (* 21 ULTIMATE.start_main_~y~4))), 33858#(<= 13520 (+ ULTIMATE.start_main_~x~4 (* 20 ULTIMATE.start_main_~y~4))), 33859#(<= 13596 (+ ULTIMATE.start_main_~x~4 (* 19 ULTIMATE.start_main_~y~4))), 33860#(<= 13668 (+ ULTIMATE.start_main_~x~4 (* 18 ULTIMATE.start_main_~y~4))), 33861#(<= 13736 (+ ULTIMATE.start_main_~x~4 (* 17 ULTIMATE.start_main_~y~4))), 33862#(<= 13800 (+ ULTIMATE.start_main_~x~4 (* 16 ULTIMATE.start_main_~y~4))), 33863#(<= 13860 (+ ULTIMATE.start_main_~x~4 (* 15 ULTIMATE.start_main_~y~4))), 33864#(<= 13916 (+ ULTIMATE.start_main_~x~4 (* 14 ULTIMATE.start_main_~y~4))), 33865#(<= 13968 (+ ULTIMATE.start_main_~x~4 (* 13 ULTIMATE.start_main_~y~4))), 33866#(<= 14016 (+ ULTIMATE.start_main_~x~4 (* 12 ULTIMATE.start_main_~y~4))), 33867#(<= 14060 (+ ULTIMATE.start_main_~x~4 (* 11 ULTIMATE.start_main_~y~4))), 33868#(<= 14100 (+ ULTIMATE.start_main_~x~4 (* 10 ULTIMATE.start_main_~y~4))), 33869#(<= 14136 (+ ULTIMATE.start_main_~x~4 (* 9 ULTIMATE.start_main_~y~4))), 33870#(<= 14168 (+ ULTIMATE.start_main_~x~4 (* 8 ULTIMATE.start_main_~y~4))), 33871#(<= 14196 (+ ULTIMATE.start_main_~x~4 (* 7 ULTIMATE.start_main_~y~4))), 33872#(<= 14220 (+ ULTIMATE.start_main_~x~4 (* 6 ULTIMATE.start_main_~y~4))), 33873#(<= 14240 (+ ULTIMATE.start_main_~x~4 (* 5 ULTIMATE.start_main_~y~4))), 33874#(<= 14256 (+ ULTIMATE.start_main_~x~4 (* 4 ULTIMATE.start_main_~y~4))), 33875#(<= 14268 (+ ULTIMATE.start_main_~x~4 (* 3 ULTIMATE.start_main_~y~4))), 33876#(<= 14276 (+ ULTIMATE.start_main_~x~4 (* 2 ULTIMATE.start_main_~y~4))), 33877#(<= 14280 (+ ULTIMATE.start_main_~x~4 ULTIMATE.start_main_~y~4)), 33878#(<= 1 ULTIMATE.start___VERIFIER_assert_~cond)] [2018-07-23 13:42:22,023 INFO L134 CoverageAnalysis]: Checked inductivity of 6972 backedges. 0 proven. 6972 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-07-23 13:42:22,024 INFO L450 AbstractCegarLoop]: Interpolant automaton has 87 states [2018-07-23 13:42:22,024 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 87 interpolants. [2018-07-23 13:42:22,024 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=171, Invalid=7311, Unknown=0, NotChecked=0, Total=7482 [2018-07-23 13:42:22,025 INFO L87 Difference]: Start difference. First operand 171 states and 171 transitions. Second operand 87 states. [2018-07-23 13:42:23,298 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-07-23 13:42:23,298 INFO L93 Difference]: Finished difference Result 176 states and 176 transitions. [2018-07-23 13:42:23,299 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 87 states. [2018-07-23 13:42:23,299 INFO L78 Accepts]: Start accepts. Automaton has 87 states. Word has length 170 [2018-07-23 13:42:23,299 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-07-23 13:42:23,300 INFO L225 Difference]: With dead ends: 176 [2018-07-23 13:42:23,300 INFO L226 Difference]: Without dead ends: 174 [2018-07-23 13:42:23,301 INFO L575 BasicCegarLoop]: 0 DeclaredPredicates, 86 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 85 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=171, Invalid=7311, Unknown=0, NotChecked=0, Total=7482 [2018-07-23 13:42:23,301 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 174 states. [2018-07-23 13:42:23,360 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 174 to 173. [2018-07-23 13:42:23,361 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 173 states. [2018-07-23 13:42:23,361 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 173 states to 173 states and 173 transitions. [2018-07-23 13:42:23,361 INFO L78 Accepts]: Start accepts. Automaton has 173 states and 173 transitions. Word has length 170 [2018-07-23 13:42:23,361 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-07-23 13:42:23,361 INFO L471 AbstractCegarLoop]: Abstraction has 173 states and 173 transitions. [2018-07-23 13:42:23,361 INFO L472 AbstractCegarLoop]: Interpolant automaton has 87 states. [2018-07-23 13:42:23,361 INFO L276 IsEmpty]: Start isEmpty. Operand 173 states and 173 transitions. [2018-07-23 13:42:23,362 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 173 [2018-07-23 13:42:23,362 INFO L349 BasicCegarLoop]: Found error trace [2018-07-23 13:42:23,362 INFO L357 BasicCegarLoop]: trace histogram [85, 84, 1, 1, 1] [2018-07-23 13:42:23,362 INFO L414 AbstractCegarLoop]: === Iteration 85 === [ULTIMATE.startErr0AssertViolationASSERT]=== [2018-07-23 13:42:23,362 INFO L82 PathProgramCache]: Analyzing trace with hash 654016483, now seen corresponding path program 84 times [2018-07-23 13:42:23,362 INFO L69 tionRefinementEngine]: Using refinement strategy FixedRefinementStrategy [2018-07-23 13:42:23,483 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-07-23 13:42:24,232 INFO L134 CoverageAnalysis]: Checked inductivity of 7140 backedges. 0 proven. 7140 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-07-23 13:42:24,232 INFO L309 seRefinementStrategy]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2018-07-23 13:42:24,232 INFO L324 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [87] total 87 [2018-07-23 13:42:24,232 INFO L142 lantAutomatonBuilder]: Constructing canonical interpolant automaton, with selfloop in false state [2018-07-23 13:42:24,232 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-07-23 13:42:24,233 INFO L185 omatonBuilderFactory]: Interpolants [34577#true, 34578#false, 34579#(<= 340 (+ ULTIMATE.start_main_~x~4 (* 85 ULTIMATE.start_main_~y~4))), 34580#(<= 676 (+ ULTIMATE.start_main_~x~4 (* 84 ULTIMATE.start_main_~y~4))), 34581#(<= 1008 (+ ULTIMATE.start_main_~x~4 (* 83 ULTIMATE.start_main_~y~4))), 34582#(<= 1336 (+ ULTIMATE.start_main_~x~4 (* 82 ULTIMATE.start_main_~y~4))), 34583#(<= 1660 (+ ULTIMATE.start_main_~x~4 (* 81 ULTIMATE.start_main_~y~4))), 34584#(<= 1980 (+ ULTIMATE.start_main_~x~4 (* 80 ULTIMATE.start_main_~y~4))), 34585#(<= 2296 (+ ULTIMATE.start_main_~x~4 (* 79 ULTIMATE.start_main_~y~4))), 34586#(<= 2608 (+ ULTIMATE.start_main_~x~4 (* 78 ULTIMATE.start_main_~y~4))), 34587#(<= 2916 (+ ULTIMATE.start_main_~x~4 (* 77 ULTIMATE.start_main_~y~4))), 34588#(<= 3220 (+ ULTIMATE.start_main_~x~4 (* 76 ULTIMATE.start_main_~y~4))), 34589#(<= 3520 (+ ULTIMATE.start_main_~x~4 (* 75 ULTIMATE.start_main_~y~4))), 34590#(<= 3816 (+ ULTIMATE.start_main_~x~4 (* 74 ULTIMATE.start_main_~y~4))), 34591#(<= 4108 (+ ULTIMATE.start_main_~x~4 (* 73 ULTIMATE.start_main_~y~4))), 34592#(<= 4396 (+ ULTIMATE.start_main_~x~4 (* 72 ULTIMATE.start_main_~y~4))), 34593#(<= 4680 (+ ULTIMATE.start_main_~x~4 (* 71 ULTIMATE.start_main_~y~4))), 34594#(<= 4960 (+ ULTIMATE.start_main_~x~4 (* 70 ULTIMATE.start_main_~y~4))), 34595#(<= 5236 (+ ULTIMATE.start_main_~x~4 (* 69 ULTIMATE.start_main_~y~4))), 34596#(<= 5508 (+ ULTIMATE.start_main_~x~4 (* 68 ULTIMATE.start_main_~y~4))), 34597#(<= 5776 (+ ULTIMATE.start_main_~x~4 (* 67 ULTIMATE.start_main_~y~4))), 34598#(<= 6040 (+ ULTIMATE.start_main_~x~4 (* 66 ULTIMATE.start_main_~y~4))), 34599#(<= 6300 (+ ULTIMATE.start_main_~x~4 (* 65 ULTIMATE.start_main_~y~4))), 34600#(<= 6556 (+ ULTIMATE.start_main_~x~4 (* 64 ULTIMATE.start_main_~y~4))), 34601#(<= 6808 (+ ULTIMATE.start_main_~x~4 (* 63 ULTIMATE.start_main_~y~4))), 34602#(<= 7056 (+ ULTIMATE.start_main_~x~4 (* 62 ULTIMATE.start_main_~y~4))), 34603#(<= 7300 (+ ULTIMATE.start_main_~x~4 (* 61 ULTIMATE.start_main_~y~4))), 34604#(<= 7540 (+ ULTIMATE.start_main_~x~4 (* 60 ULTIMATE.start_main_~y~4))), 34605#(<= 7776 (+ ULTIMATE.start_main_~x~4 (* 59 ULTIMATE.start_main_~y~4))), 34606#(<= 8008 (+ ULTIMATE.start_main_~x~4 (* 58 ULTIMATE.start_main_~y~4))), 34607#(<= 8236 (+ ULTIMATE.start_main_~x~4 (* 57 ULTIMATE.start_main_~y~4))), 34608#(<= 8460 (+ ULTIMATE.start_main_~x~4 (* 56 ULTIMATE.start_main_~y~4))), 34609#(<= 8680 (+ ULTIMATE.start_main_~x~4 (* 55 ULTIMATE.start_main_~y~4))), 34610#(<= 8896 (+ ULTIMATE.start_main_~x~4 (* 54 ULTIMATE.start_main_~y~4))), 34611#(<= 9108 (+ ULTIMATE.start_main_~x~4 (* 53 ULTIMATE.start_main_~y~4))), 34612#(<= 9316 (+ ULTIMATE.start_main_~x~4 (* 52 ULTIMATE.start_main_~y~4))), 34613#(<= 9520 (+ ULTIMATE.start_main_~x~4 (* 51 ULTIMATE.start_main_~y~4))), 34614#(<= 9720 (+ ULTIMATE.start_main_~x~4 (* 50 ULTIMATE.start_main_~y~4))), 34615#(<= 9916 (+ ULTIMATE.start_main_~x~4 (* 49 ULTIMATE.start_main_~y~4))), 34616#(<= 10108 (+ ULTIMATE.start_main_~x~4 (* 48 ULTIMATE.start_main_~y~4))), 34617#(<= 10296 (+ ULTIMATE.start_main_~x~4 (* 47 ULTIMATE.start_main_~y~4))), 34618#(<= 10480 (+ ULTIMATE.start_main_~x~4 (* 46 ULTIMATE.start_main_~y~4))), 34619#(<= 10660 (+ ULTIMATE.start_main_~x~4 (* 45 ULTIMATE.start_main_~y~4))), 34620#(<= 10836 (+ ULTIMATE.start_main_~x~4 (* 44 ULTIMATE.start_main_~y~4))), 34621#(<= 11008 (+ ULTIMATE.start_main_~x~4 (* 43 ULTIMATE.start_main_~y~4))), 34622#(<= 11176 (+ ULTIMATE.start_main_~x~4 (* 42 ULTIMATE.start_main_~y~4))), 34623#(<= 11340 (+ ULTIMATE.start_main_~x~4 (* 41 ULTIMATE.start_main_~y~4))), 34624#(<= 11500 (+ ULTIMATE.start_main_~x~4 (* 40 ULTIMATE.start_main_~y~4))), 34625#(<= 11656 (+ ULTIMATE.start_main_~x~4 (* 39 ULTIMATE.start_main_~y~4))), 34626#(<= 11808 (+ ULTIMATE.start_main_~x~4 (* 38 ULTIMATE.start_main_~y~4))), 34627#(<= 11956 (+ ULTIMATE.start_main_~x~4 (* 37 ULTIMATE.start_main_~y~4))), 34628#(<= 12100 (+ ULTIMATE.start_main_~x~4 (* 36 ULTIMATE.start_main_~y~4))), 34629#(<= 12240 (+ ULTIMATE.start_main_~x~4 (* 35 ULTIMATE.start_main_~y~4))), 34630#(<= 12376 (+ ULTIMATE.start_main_~x~4 (* 34 ULTIMATE.start_main_~y~4))), 34631#(<= 12508 (+ ULTIMATE.start_main_~x~4 (* 33 ULTIMATE.start_main_~y~4))), 34632#(<= 12636 (+ ULTIMATE.start_main_~x~4 (* 32 ULTIMATE.start_main_~y~4))), 34633#(<= 12760 (+ ULTIMATE.start_main_~x~4 (* 31 ULTIMATE.start_main_~y~4))), 34634#(<= 12880 (+ ULTIMATE.start_main_~x~4 (* 30 ULTIMATE.start_main_~y~4))), 34635#(<= 12996 (+ ULTIMATE.start_main_~x~4 (* 29 ULTIMATE.start_main_~y~4))), 34636#(<= 13108 (+ ULTIMATE.start_main_~x~4 (* 28 ULTIMATE.start_main_~y~4))), 34637#(<= 13216 (+ ULTIMATE.start_main_~x~4 (* 27 ULTIMATE.start_main_~y~4))), 34638#(<= 13320 (+ ULTIMATE.start_main_~x~4 (* 26 ULTIMATE.start_main_~y~4))), 34639#(<= 13420 (+ ULTIMATE.start_main_~x~4 (* 25 ULTIMATE.start_main_~y~4))), 34640#(<= 13516 (+ ULTIMATE.start_main_~x~4 (* 24 ULTIMATE.start_main_~y~4))), 34641#(<= 13608 (+ ULTIMATE.start_main_~x~4 (* 23 ULTIMATE.start_main_~y~4))), 34642#(<= 13696 (+ ULTIMATE.start_main_~x~4 (* 22 ULTIMATE.start_main_~y~4))), 34643#(<= 13780 (+ ULTIMATE.start_main_~x~4 (* 21 ULTIMATE.start_main_~y~4))), 34644#(<= 13860 (+ ULTIMATE.start_main_~x~4 (* 20 ULTIMATE.start_main_~y~4))), 34645#(<= 13936 (+ ULTIMATE.start_main_~x~4 (* 19 ULTIMATE.start_main_~y~4))), 34646#(<= 14008 (+ ULTIMATE.start_main_~x~4 (* 18 ULTIMATE.start_main_~y~4))), 34647#(<= 14076 (+ ULTIMATE.start_main_~x~4 (* 17 ULTIMATE.start_main_~y~4))), 34648#(<= 14140 (+ ULTIMATE.start_main_~x~4 (* 16 ULTIMATE.start_main_~y~4))), 34649#(<= 14200 (+ ULTIMATE.start_main_~x~4 (* 15 ULTIMATE.start_main_~y~4))), 34650#(<= 14256 (+ ULTIMATE.start_main_~x~4 (* 14 ULTIMATE.start_main_~y~4))), 34651#(<= 14308 (+ ULTIMATE.start_main_~x~4 (* 13 ULTIMATE.start_main_~y~4))), 34652#(<= 14356 (+ ULTIMATE.start_main_~x~4 (* 12 ULTIMATE.start_main_~y~4))), 34653#(<= 14400 (+ ULTIMATE.start_main_~x~4 (* 11 ULTIMATE.start_main_~y~4))), 34654#(<= 14440 (+ ULTIMATE.start_main_~x~4 (* 10 ULTIMATE.start_main_~y~4))), 34655#(<= 14476 (+ ULTIMATE.start_main_~x~4 (* 9 ULTIMATE.start_main_~y~4))), 34656#(<= 14508 (+ ULTIMATE.start_main_~x~4 (* 8 ULTIMATE.start_main_~y~4))), 34657#(<= 14536 (+ ULTIMATE.start_main_~x~4 (* 7 ULTIMATE.start_main_~y~4))), 34658#(<= 14560 (+ ULTIMATE.start_main_~x~4 (* 6 ULTIMATE.start_main_~y~4))), 34659#(<= 14580 (+ ULTIMATE.start_main_~x~4 (* 5 ULTIMATE.start_main_~y~4))), 34660#(<= 14596 (+ ULTIMATE.start_main_~x~4 (* 4 ULTIMATE.start_main_~y~4))), 34661#(<= 14608 (+ ULTIMATE.start_main_~x~4 (* 3 ULTIMATE.start_main_~y~4))), 34662#(<= 14616 (+ ULTIMATE.start_main_~x~4 (* 2 ULTIMATE.start_main_~y~4))), 34663#(<= 14620 (+ ULTIMATE.start_main_~x~4 ULTIMATE.start_main_~y~4)), 34664#(<= 1 ULTIMATE.start___VERIFIER_assert_~cond)] [2018-07-23 13:42:24,234 INFO L134 CoverageAnalysis]: Checked inductivity of 7140 backedges. 0 proven. 7140 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-07-23 13:42:24,234 INFO L450 AbstractCegarLoop]: Interpolant automaton has 88 states [2018-07-23 13:42:24,234 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 88 interpolants. [2018-07-23 13:42:24,234 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=173, Invalid=7483, Unknown=0, NotChecked=0, Total=7656 [2018-07-23 13:42:24,235 INFO L87 Difference]: Start difference. First operand 173 states and 173 transitions. Second operand 88 states. [2018-07-23 13:42:25,617 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-07-23 13:42:25,617 INFO L93 Difference]: Finished difference Result 178 states and 178 transitions. [2018-07-23 13:42:25,617 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 88 states. [2018-07-23 13:42:25,617 INFO L78 Accepts]: Start accepts. Automaton has 88 states. Word has length 172 [2018-07-23 13:42:25,618 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-07-23 13:42:25,618 INFO L225 Difference]: With dead ends: 178 [2018-07-23 13:42:25,618 INFO L226 Difference]: Without dead ends: 176 [2018-07-23 13:42:25,619 INFO L575 BasicCegarLoop]: 0 DeclaredPredicates, 87 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 86 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=173, Invalid=7483, Unknown=0, NotChecked=0, Total=7656 [2018-07-23 13:42:25,619 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 176 states. [2018-07-23 13:42:25,679 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 176 to 175. [2018-07-23 13:42:25,680 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 175 states. [2018-07-23 13:42:25,680 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 175 states to 175 states and 175 transitions. [2018-07-23 13:42:25,680 INFO L78 Accepts]: Start accepts. Automaton has 175 states and 175 transitions. Word has length 172 [2018-07-23 13:42:25,680 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-07-23 13:42:25,681 INFO L471 AbstractCegarLoop]: Abstraction has 175 states and 175 transitions. [2018-07-23 13:42:25,681 INFO L472 AbstractCegarLoop]: Interpolant automaton has 88 states. [2018-07-23 13:42:25,681 INFO L276 IsEmpty]: Start isEmpty. Operand 175 states and 175 transitions. [2018-07-23 13:42:25,682 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 175 [2018-07-23 13:42:25,682 INFO L349 BasicCegarLoop]: Found error trace [2018-07-23 13:42:25,682 INFO L357 BasicCegarLoop]: trace histogram [86, 85, 1, 1, 1] [2018-07-23 13:42:25,682 INFO L414 AbstractCegarLoop]: === Iteration 86 === [ULTIMATE.startErr0AssertViolationASSERT]=== [2018-07-23 13:42:25,682 INFO L82 PathProgramCache]: Analyzing trace with hash 1444561645, now seen corresponding path program 85 times [2018-07-23 13:42:25,682 INFO L69 tionRefinementEngine]: Using refinement strategy FixedRefinementStrategy [2018-07-23 13:42:25,816 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-07-23 13:42:26,537 INFO L134 CoverageAnalysis]: Checked inductivity of 7310 backedges. 0 proven. 7310 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-07-23 13:42:26,537 INFO L309 seRefinementStrategy]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2018-07-23 13:42:26,537 INFO L324 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [88] total 88 [2018-07-23 13:42:26,538 INFO L142 lantAutomatonBuilder]: Constructing canonical interpolant automaton, with selfloop in false state [2018-07-23 13:42:26,538 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-07-23 13:42:26,538 INFO L185 omatonBuilderFactory]: Interpolants [35456#(<= 14952 (+ ULTIMATE.start_main_~x~4 (* 3 ULTIMATE.start_main_~y~4))), 35457#(<= 14960 (+ ULTIMATE.start_main_~x~4 (* 2 ULTIMATE.start_main_~y~4))), 35458#(<= 14964 (+ ULTIMATE.start_main_~x~4 ULTIMATE.start_main_~y~4)), 35459#(<= 1 ULTIMATE.start___VERIFIER_assert_~cond), 35371#true, 35372#false, 35373#(<= 344 (+ ULTIMATE.start_main_~x~4 (* 86 ULTIMATE.start_main_~y~4))), 35374#(<= 684 (+ ULTIMATE.start_main_~x~4 (* 85 ULTIMATE.start_main_~y~4))), 35375#(<= 1020 (+ ULTIMATE.start_main_~x~4 (* 84 ULTIMATE.start_main_~y~4))), 35376#(<= 1352 (+ ULTIMATE.start_main_~x~4 (* 83 ULTIMATE.start_main_~y~4))), 35377#(<= 1680 (+ ULTIMATE.start_main_~x~4 (* 82 ULTIMATE.start_main_~y~4))), 35378#(<= 2004 (+ ULTIMATE.start_main_~x~4 (* 81 ULTIMATE.start_main_~y~4))), 35379#(<= 2324 (+ ULTIMATE.start_main_~x~4 (* 80 ULTIMATE.start_main_~y~4))), 35380#(<= 2640 (+ ULTIMATE.start_main_~x~4 (* 79 ULTIMATE.start_main_~y~4))), 35381#(<= 2952 (+ ULTIMATE.start_main_~x~4 (* 78 ULTIMATE.start_main_~y~4))), 35382#(<= 3260 (+ ULTIMATE.start_main_~x~4 (* 77 ULTIMATE.start_main_~y~4))), 35383#(<= 3564 (+ ULTIMATE.start_main_~x~4 (* 76 ULTIMATE.start_main_~y~4))), 35384#(<= 3864 (+ ULTIMATE.start_main_~x~4 (* 75 ULTIMATE.start_main_~y~4))), 35385#(<= 4160 (+ ULTIMATE.start_main_~x~4 (* 74 ULTIMATE.start_main_~y~4))), 35386#(<= 4452 (+ ULTIMATE.start_main_~x~4 (* 73 ULTIMATE.start_main_~y~4))), 35387#(<= 4740 (+ ULTIMATE.start_main_~x~4 (* 72 ULTIMATE.start_main_~y~4))), 35388#(<= 5024 (+ ULTIMATE.start_main_~x~4 (* 71 ULTIMATE.start_main_~y~4))), 35389#(<= 5304 (+ ULTIMATE.start_main_~x~4 (* 70 ULTIMATE.start_main_~y~4))), 35390#(<= 5580 (+ ULTIMATE.start_main_~x~4 (* 69 ULTIMATE.start_main_~y~4))), 35391#(<= 5852 (+ ULTIMATE.start_main_~x~4 (* 68 ULTIMATE.start_main_~y~4))), 35392#(<= 6120 (+ ULTIMATE.start_main_~x~4 (* 67 ULTIMATE.start_main_~y~4))), 35393#(<= 6384 (+ ULTIMATE.start_main_~x~4 (* 66 ULTIMATE.start_main_~y~4))), 35394#(<= 6644 (+ ULTIMATE.start_main_~x~4 (* 65 ULTIMATE.start_main_~y~4))), 35395#(<= 6900 (+ ULTIMATE.start_main_~x~4 (* 64 ULTIMATE.start_main_~y~4))), 35396#(<= 7152 (+ ULTIMATE.start_main_~x~4 (* 63 ULTIMATE.start_main_~y~4))), 35397#(<= 7400 (+ ULTIMATE.start_main_~x~4 (* 62 ULTIMATE.start_main_~y~4))), 35398#(<= 7644 (+ ULTIMATE.start_main_~x~4 (* 61 ULTIMATE.start_main_~y~4))), 35399#(<= 7884 (+ ULTIMATE.start_main_~x~4 (* 60 ULTIMATE.start_main_~y~4))), 35400#(<= 8120 (+ ULTIMATE.start_main_~x~4 (* 59 ULTIMATE.start_main_~y~4))), 35401#(<= 8352 (+ ULTIMATE.start_main_~x~4 (* 58 ULTIMATE.start_main_~y~4))), 35402#(<= 8580 (+ ULTIMATE.start_main_~x~4 (* 57 ULTIMATE.start_main_~y~4))), 35403#(<= 8804 (+ ULTIMATE.start_main_~x~4 (* 56 ULTIMATE.start_main_~y~4))), 35404#(<= 9024 (+ ULTIMATE.start_main_~x~4 (* 55 ULTIMATE.start_main_~y~4))), 35405#(<= 9240 (+ ULTIMATE.start_main_~x~4 (* 54 ULTIMATE.start_main_~y~4))), 35406#(<= 9452 (+ ULTIMATE.start_main_~x~4 (* 53 ULTIMATE.start_main_~y~4))), 35407#(<= 9660 (+ ULTIMATE.start_main_~x~4 (* 52 ULTIMATE.start_main_~y~4))), 35408#(<= 9864 (+ ULTIMATE.start_main_~x~4 (* 51 ULTIMATE.start_main_~y~4))), 35409#(<= 10064 (+ ULTIMATE.start_main_~x~4 (* 50 ULTIMATE.start_main_~y~4))), 35410#(<= 10260 (+ ULTIMATE.start_main_~x~4 (* 49 ULTIMATE.start_main_~y~4))), 35411#(<= 10452 (+ ULTIMATE.start_main_~x~4 (* 48 ULTIMATE.start_main_~y~4))), 35412#(<= 10640 (+ ULTIMATE.start_main_~x~4 (* 47 ULTIMATE.start_main_~y~4))), 35413#(<= 10824 (+ ULTIMATE.start_main_~x~4 (* 46 ULTIMATE.start_main_~y~4))), 35414#(<= 11004 (+ ULTIMATE.start_main_~x~4 (* 45 ULTIMATE.start_main_~y~4))), 35415#(<= 11180 (+ ULTIMATE.start_main_~x~4 (* 44 ULTIMATE.start_main_~y~4))), 35416#(<= 11352 (+ ULTIMATE.start_main_~x~4 (* 43 ULTIMATE.start_main_~y~4))), 35417#(<= 11520 (+ ULTIMATE.start_main_~x~4 (* 42 ULTIMATE.start_main_~y~4))), 35418#(<= 11684 (+ ULTIMATE.start_main_~x~4 (* 41 ULTIMATE.start_main_~y~4))), 35419#(<= 11844 (+ ULTIMATE.start_main_~x~4 (* 40 ULTIMATE.start_main_~y~4))), 35420#(<= 12000 (+ ULTIMATE.start_main_~x~4 (* 39 ULTIMATE.start_main_~y~4))), 35421#(<= 12152 (+ ULTIMATE.start_main_~x~4 (* 38 ULTIMATE.start_main_~y~4))), 35422#(<= 12300 (+ ULTIMATE.start_main_~x~4 (* 37 ULTIMATE.start_main_~y~4))), 35423#(<= 12444 (+ ULTIMATE.start_main_~x~4 (* 36 ULTIMATE.start_main_~y~4))), 35424#(<= 12584 (+ ULTIMATE.start_main_~x~4 (* 35 ULTIMATE.start_main_~y~4))), 35425#(<= 12720 (+ ULTIMATE.start_main_~x~4 (* 34 ULTIMATE.start_main_~y~4))), 35426#(<= 12852 (+ ULTIMATE.start_main_~x~4 (* 33 ULTIMATE.start_main_~y~4))), 35427#(<= 12980 (+ ULTIMATE.start_main_~x~4 (* 32 ULTIMATE.start_main_~y~4))), 35428#(<= 13104 (+ ULTIMATE.start_main_~x~4 (* 31 ULTIMATE.start_main_~y~4))), 35429#(<= 13224 (+ ULTIMATE.start_main_~x~4 (* 30 ULTIMATE.start_main_~y~4))), 35430#(<= 13340 (+ ULTIMATE.start_main_~x~4 (* 29 ULTIMATE.start_main_~y~4))), 35431#(<= 13452 (+ ULTIMATE.start_main_~x~4 (* 28 ULTIMATE.start_main_~y~4))), 35432#(<= 13560 (+ ULTIMATE.start_main_~x~4 (* 27 ULTIMATE.start_main_~y~4))), 35433#(<= 13664 (+ ULTIMATE.start_main_~x~4 (* 26 ULTIMATE.start_main_~y~4))), 35434#(<= 13764 (+ ULTIMATE.start_main_~x~4 (* 25 ULTIMATE.start_main_~y~4))), 35435#(<= 13860 (+ ULTIMATE.start_main_~x~4 (* 24 ULTIMATE.start_main_~y~4))), 35436#(<= 13952 (+ ULTIMATE.start_main_~x~4 (* 23 ULTIMATE.start_main_~y~4))), 35437#(<= 14040 (+ ULTIMATE.start_main_~x~4 (* 22 ULTIMATE.start_main_~y~4))), 35438#(<= 14124 (+ ULTIMATE.start_main_~x~4 (* 21 ULTIMATE.start_main_~y~4))), 35439#(<= 14204 (+ ULTIMATE.start_main_~x~4 (* 20 ULTIMATE.start_main_~y~4))), 35440#(<= 14280 (+ ULTIMATE.start_main_~x~4 (* 19 ULTIMATE.start_main_~y~4))), 35441#(<= 14352 (+ ULTIMATE.start_main_~x~4 (* 18 ULTIMATE.start_main_~y~4))), 35442#(<= 14420 (+ ULTIMATE.start_main_~x~4 (* 17 ULTIMATE.start_main_~y~4))), 35443#(<= 14484 (+ ULTIMATE.start_main_~x~4 (* 16 ULTIMATE.start_main_~y~4))), 35444#(<= 14544 (+ ULTIMATE.start_main_~x~4 (* 15 ULTIMATE.start_main_~y~4))), 35445#(<= 14600 (+ ULTIMATE.start_main_~x~4 (* 14 ULTIMATE.start_main_~y~4))), 35446#(<= 14652 (+ ULTIMATE.start_main_~x~4 (* 13 ULTIMATE.start_main_~y~4))), 35447#(<= 14700 (+ ULTIMATE.start_main_~x~4 (* 12 ULTIMATE.start_main_~y~4))), 35448#(<= 14744 (+ ULTIMATE.start_main_~x~4 (* 11 ULTIMATE.start_main_~y~4))), 35449#(<= 14784 (+ ULTIMATE.start_main_~x~4 (* 10 ULTIMATE.start_main_~y~4))), 35450#(<= 14820 (+ ULTIMATE.start_main_~x~4 (* 9 ULTIMATE.start_main_~y~4))), 35451#(<= 14852 (+ ULTIMATE.start_main_~x~4 (* 8 ULTIMATE.start_main_~y~4))), 35452#(<= 14880 (+ ULTIMATE.start_main_~x~4 (* 7 ULTIMATE.start_main_~y~4))), 35453#(<= 14904 (+ ULTIMATE.start_main_~x~4 (* 6 ULTIMATE.start_main_~y~4))), 35454#(<= 14924 (+ ULTIMATE.start_main_~x~4 (* 5 ULTIMATE.start_main_~y~4))), 35455#(<= 14940 (+ ULTIMATE.start_main_~x~4 (* 4 ULTIMATE.start_main_~y~4)))] [2018-07-23 13:42:26,539 INFO L134 CoverageAnalysis]: Checked inductivity of 7310 backedges. 0 proven. 7310 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-07-23 13:42:26,539 INFO L450 AbstractCegarLoop]: Interpolant automaton has 89 states [2018-07-23 13:42:26,539 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 89 interpolants. [2018-07-23 13:42:26,540 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=175, Invalid=7657, Unknown=0, NotChecked=0, Total=7832 [2018-07-23 13:42:26,540 INFO L87 Difference]: Start difference. First operand 175 states and 175 transitions. Second operand 89 states. [2018-07-23 13:42:27,685 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-07-23 13:42:27,685 INFO L93 Difference]: Finished difference Result 180 states and 180 transitions. [2018-07-23 13:42:27,686 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 89 states. [2018-07-23 13:42:27,686 INFO L78 Accepts]: Start accepts. Automaton has 89 states. Word has length 174 [2018-07-23 13:42:27,686 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-07-23 13:42:27,687 INFO L225 Difference]: With dead ends: 180 [2018-07-23 13:42:27,687 INFO L226 Difference]: Without dead ends: 178 [2018-07-23 13:42:27,687 INFO L575 BasicCegarLoop]: 0 DeclaredPredicates, 88 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 87 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=175, Invalid=7657, Unknown=0, NotChecked=0, Total=7832 [2018-07-23 13:42:27,688 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 178 states. [2018-07-23 13:42:27,741 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 178 to 177. [2018-07-23 13:42:27,741 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 177 states. [2018-07-23 13:42:27,742 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 177 states to 177 states and 177 transitions. [2018-07-23 13:42:27,742 INFO L78 Accepts]: Start accepts. Automaton has 177 states and 177 transitions. Word has length 174 [2018-07-23 13:42:27,742 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-07-23 13:42:27,742 INFO L471 AbstractCegarLoop]: Abstraction has 177 states and 177 transitions. [2018-07-23 13:42:27,742 INFO L472 AbstractCegarLoop]: Interpolant automaton has 89 states. [2018-07-23 13:42:27,742 INFO L276 IsEmpty]: Start isEmpty. Operand 177 states and 177 transitions. [2018-07-23 13:42:27,743 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 177 [2018-07-23 13:42:27,743 INFO L349 BasicCegarLoop]: Found error trace [2018-07-23 13:42:27,743 INFO L357 BasicCegarLoop]: trace histogram [87, 86, 1, 1, 1] [2018-07-23 13:42:27,743 INFO L414 AbstractCegarLoop]: === Iteration 87 === [ULTIMATE.startErr0AssertViolationASSERT]=== [2018-07-23 13:42:27,744 INFO L82 PathProgramCache]: Analyzing trace with hash 949250935, now seen corresponding path program 86 times [2018-07-23 13:42:27,744 INFO L69 tionRefinementEngine]: Using refinement strategy FixedRefinementStrategy [2018-07-23 13:42:27,879 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-07-23 13:42:28,664 INFO L134 CoverageAnalysis]: Checked inductivity of 7482 backedges. 0 proven. 7482 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-07-23 13:42:28,665 INFO L309 seRefinementStrategy]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2018-07-23 13:42:28,665 INFO L324 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [89] total 89 [2018-07-23 13:42:28,665 INFO L142 lantAutomatonBuilder]: Constructing canonical interpolant automaton, with selfloop in false state [2018-07-23 13:42:28,665 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-07-23 13:42:28,665 INFO L185 omatonBuilderFactory]: Interpolants [36224#(<= 12348 (+ ULTIMATE.start_main_~x~4 (* 39 ULTIMATE.start_main_~y~4))), 36225#(<= 12500 (+ ULTIMATE.start_main_~x~4 (* 38 ULTIMATE.start_main_~y~4))), 36226#(<= 12648 (+ ULTIMATE.start_main_~x~4 (* 37 ULTIMATE.start_main_~y~4))), 36227#(<= 12792 (+ ULTIMATE.start_main_~x~4 (* 36 ULTIMATE.start_main_~y~4))), 36228#(<= 12932 (+ ULTIMATE.start_main_~x~4 (* 35 ULTIMATE.start_main_~y~4))), 36229#(<= 13068 (+ ULTIMATE.start_main_~x~4 (* 34 ULTIMATE.start_main_~y~4))), 36230#(<= 13200 (+ ULTIMATE.start_main_~x~4 (* 33 ULTIMATE.start_main_~y~4))), 36231#(<= 13328 (+ ULTIMATE.start_main_~x~4 (* 32 ULTIMATE.start_main_~y~4))), 36232#(<= 13452 (+ ULTIMATE.start_main_~x~4 (* 31 ULTIMATE.start_main_~y~4))), 36233#(<= 13572 (+ ULTIMATE.start_main_~x~4 (* 30 ULTIMATE.start_main_~y~4))), 36234#(<= 13688 (+ ULTIMATE.start_main_~x~4 (* 29 ULTIMATE.start_main_~y~4))), 36235#(<= 13800 (+ ULTIMATE.start_main_~x~4 (* 28 ULTIMATE.start_main_~y~4))), 36236#(<= 13908 (+ ULTIMATE.start_main_~x~4 (* 27 ULTIMATE.start_main_~y~4))), 36237#(<= 14012 (+ ULTIMATE.start_main_~x~4 (* 26 ULTIMATE.start_main_~y~4))), 36238#(<= 14112 (+ ULTIMATE.start_main_~x~4 (* 25 ULTIMATE.start_main_~y~4))), 36239#(<= 14208 (+ ULTIMATE.start_main_~x~4 (* 24 ULTIMATE.start_main_~y~4))), 36240#(<= 14300 (+ ULTIMATE.start_main_~x~4 (* 23 ULTIMATE.start_main_~y~4))), 36241#(<= 14388 (+ ULTIMATE.start_main_~x~4 (* 22 ULTIMATE.start_main_~y~4))), 36242#(<= 14472 (+ ULTIMATE.start_main_~x~4 (* 21 ULTIMATE.start_main_~y~4))), 36243#(<= 14552 (+ ULTIMATE.start_main_~x~4 (* 20 ULTIMATE.start_main_~y~4))), 36244#(<= 14628 (+ ULTIMATE.start_main_~x~4 (* 19 ULTIMATE.start_main_~y~4))), 36245#(<= 14700 (+ ULTIMATE.start_main_~x~4 (* 18 ULTIMATE.start_main_~y~4))), 36246#(<= 14768 (+ ULTIMATE.start_main_~x~4 (* 17 ULTIMATE.start_main_~y~4))), 36247#(<= 14832 (+ ULTIMATE.start_main_~x~4 (* 16 ULTIMATE.start_main_~y~4))), 36248#(<= 14892 (+ ULTIMATE.start_main_~x~4 (* 15 ULTIMATE.start_main_~y~4))), 36249#(<= 14948 (+ ULTIMATE.start_main_~x~4 (* 14 ULTIMATE.start_main_~y~4))), 36250#(<= 15000 (+ ULTIMATE.start_main_~x~4 (* 13 ULTIMATE.start_main_~y~4))), 36251#(<= 15048 (+ ULTIMATE.start_main_~x~4 (* 12 ULTIMATE.start_main_~y~4))), 36252#(<= 15092 (+ ULTIMATE.start_main_~x~4 (* 11 ULTIMATE.start_main_~y~4))), 36253#(<= 15132 (+ ULTIMATE.start_main_~x~4 (* 10 ULTIMATE.start_main_~y~4))), 36254#(<= 15168 (+ ULTIMATE.start_main_~x~4 (* 9 ULTIMATE.start_main_~y~4))), 36255#(<= 15200 (+ ULTIMATE.start_main_~x~4 (* 8 ULTIMATE.start_main_~y~4))), 36256#(<= 15228 (+ ULTIMATE.start_main_~x~4 (* 7 ULTIMATE.start_main_~y~4))), 36257#(<= 15252 (+ ULTIMATE.start_main_~x~4 (* 6 ULTIMATE.start_main_~y~4))), 36258#(<= 15272 (+ ULTIMATE.start_main_~x~4 (* 5 ULTIMATE.start_main_~y~4))), 36259#(<= 15288 (+ ULTIMATE.start_main_~x~4 (* 4 ULTIMATE.start_main_~y~4))), 36260#(<= 15300 (+ ULTIMATE.start_main_~x~4 (* 3 ULTIMATE.start_main_~y~4))), 36261#(<= 15308 (+ ULTIMATE.start_main_~x~4 (* 2 ULTIMATE.start_main_~y~4))), 36262#(<= 15312 (+ ULTIMATE.start_main_~x~4 ULTIMATE.start_main_~y~4)), 36263#(<= 1 ULTIMATE.start___VERIFIER_assert_~cond), 36174#true, 36175#false, 36176#(<= 348 (+ ULTIMATE.start_main_~x~4 (* 87 ULTIMATE.start_main_~y~4))), 36177#(<= 692 (+ ULTIMATE.start_main_~x~4 (* 86 ULTIMATE.start_main_~y~4))), 36178#(<= 1032 (+ ULTIMATE.start_main_~x~4 (* 85 ULTIMATE.start_main_~y~4))), 36179#(<= 1368 (+ ULTIMATE.start_main_~x~4 (* 84 ULTIMATE.start_main_~y~4))), 36180#(<= 1700 (+ ULTIMATE.start_main_~x~4 (* 83 ULTIMATE.start_main_~y~4))), 36181#(<= 2028 (+ ULTIMATE.start_main_~x~4 (* 82 ULTIMATE.start_main_~y~4))), 36182#(<= 2352 (+ ULTIMATE.start_main_~x~4 (* 81 ULTIMATE.start_main_~y~4))), 36183#(<= 2672 (+ ULTIMATE.start_main_~x~4 (* 80 ULTIMATE.start_main_~y~4))), 36184#(<= 2988 (+ ULTIMATE.start_main_~x~4 (* 79 ULTIMATE.start_main_~y~4))), 36185#(<= 3300 (+ ULTIMATE.start_main_~x~4 (* 78 ULTIMATE.start_main_~y~4))), 36186#(<= 3608 (+ ULTIMATE.start_main_~x~4 (* 77 ULTIMATE.start_main_~y~4))), 36187#(<= 3912 (+ ULTIMATE.start_main_~x~4 (* 76 ULTIMATE.start_main_~y~4))), 36188#(<= 4212 (+ ULTIMATE.start_main_~x~4 (* 75 ULTIMATE.start_main_~y~4))), 36189#(<= 4508 (+ ULTIMATE.start_main_~x~4 (* 74 ULTIMATE.start_main_~y~4))), 36190#(<= 4800 (+ ULTIMATE.start_main_~x~4 (* 73 ULTIMATE.start_main_~y~4))), 36191#(<= 5088 (+ ULTIMATE.start_main_~x~4 (* 72 ULTIMATE.start_main_~y~4))), 36192#(<= 5372 (+ ULTIMATE.start_main_~x~4 (* 71 ULTIMATE.start_main_~y~4))), 36193#(<= 5652 (+ ULTIMATE.start_main_~x~4 (* 70 ULTIMATE.start_main_~y~4))), 36194#(<= 5928 (+ ULTIMATE.start_main_~x~4 (* 69 ULTIMATE.start_main_~y~4))), 36195#(<= 6200 (+ ULTIMATE.start_main_~x~4 (* 68 ULTIMATE.start_main_~y~4))), 36196#(<= 6468 (+ ULTIMATE.start_main_~x~4 (* 67 ULTIMATE.start_main_~y~4))), 36197#(<= 6732 (+ ULTIMATE.start_main_~x~4 (* 66 ULTIMATE.start_main_~y~4))), 36198#(<= 6992 (+ ULTIMATE.start_main_~x~4 (* 65 ULTIMATE.start_main_~y~4))), 36199#(<= 7248 (+ ULTIMATE.start_main_~x~4 (* 64 ULTIMATE.start_main_~y~4))), 36200#(<= 7500 (+ ULTIMATE.start_main_~x~4 (* 63 ULTIMATE.start_main_~y~4))), 36201#(<= 7748 (+ ULTIMATE.start_main_~x~4 (* 62 ULTIMATE.start_main_~y~4))), 36202#(<= 7992 (+ ULTIMATE.start_main_~x~4 (* 61 ULTIMATE.start_main_~y~4))), 36203#(<= 8232 (+ ULTIMATE.start_main_~x~4 (* 60 ULTIMATE.start_main_~y~4))), 36204#(<= 8468 (+ ULTIMATE.start_main_~x~4 (* 59 ULTIMATE.start_main_~y~4))), 36205#(<= 8700 (+ ULTIMATE.start_main_~x~4 (* 58 ULTIMATE.start_main_~y~4))), 36206#(<= 8928 (+ ULTIMATE.start_main_~x~4 (* 57 ULTIMATE.start_main_~y~4))), 36207#(<= 9152 (+ ULTIMATE.start_main_~x~4 (* 56 ULTIMATE.start_main_~y~4))), 36208#(<= 9372 (+ ULTIMATE.start_main_~x~4 (* 55 ULTIMATE.start_main_~y~4))), 36209#(<= 9588 (+ ULTIMATE.start_main_~x~4 (* 54 ULTIMATE.start_main_~y~4))), 36210#(<= 9800 (+ ULTIMATE.start_main_~x~4 (* 53 ULTIMATE.start_main_~y~4))), 36211#(<= 10008 (+ ULTIMATE.start_main_~x~4 (* 52 ULTIMATE.start_main_~y~4))), 36212#(<= 10212 (+ ULTIMATE.start_main_~x~4 (* 51 ULTIMATE.start_main_~y~4))), 36213#(<= 10412 (+ ULTIMATE.start_main_~x~4 (* 50 ULTIMATE.start_main_~y~4))), 36214#(<= 10608 (+ ULTIMATE.start_main_~x~4 (* 49 ULTIMATE.start_main_~y~4))), 36215#(<= 10800 (+ ULTIMATE.start_main_~x~4 (* 48 ULTIMATE.start_main_~y~4))), 36216#(<= 10988 (+ ULTIMATE.start_main_~x~4 (* 47 ULTIMATE.start_main_~y~4))), 36217#(<= 11172 (+ ULTIMATE.start_main_~x~4 (* 46 ULTIMATE.start_main_~y~4))), 36218#(<= 11352 (+ ULTIMATE.start_main_~x~4 (* 45 ULTIMATE.start_main_~y~4))), 36219#(<= 11528 (+ ULTIMATE.start_main_~x~4 (* 44 ULTIMATE.start_main_~y~4))), 36220#(<= 11700 (+ ULTIMATE.start_main_~x~4 (* 43 ULTIMATE.start_main_~y~4))), 36221#(<= 11868 (+ ULTIMATE.start_main_~x~4 (* 42 ULTIMATE.start_main_~y~4))), 36222#(<= 12032 (+ ULTIMATE.start_main_~x~4 (* 41 ULTIMATE.start_main_~y~4))), 36223#(<= 12192 (+ ULTIMATE.start_main_~x~4 (* 40 ULTIMATE.start_main_~y~4)))] [2018-07-23 13:42:28,666 INFO L134 CoverageAnalysis]: Checked inductivity of 7482 backedges. 0 proven. 7482 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-07-23 13:42:28,666 INFO L450 AbstractCegarLoop]: Interpolant automaton has 90 states [2018-07-23 13:42:28,666 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 90 interpolants. [2018-07-23 13:42:28,667 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=177, Invalid=7833, Unknown=0, NotChecked=0, Total=8010 [2018-07-23 13:42:28,667 INFO L87 Difference]: Start difference. First operand 177 states and 177 transitions. Second operand 90 states. [2018-07-23 13:42:30,116 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-07-23 13:42:30,116 INFO L93 Difference]: Finished difference Result 182 states and 182 transitions. [2018-07-23 13:42:30,116 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 90 states. [2018-07-23 13:42:30,116 INFO L78 Accepts]: Start accepts. Automaton has 90 states. Word has length 176 [2018-07-23 13:42:30,116 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-07-23 13:42:30,117 INFO L225 Difference]: With dead ends: 182 [2018-07-23 13:42:30,117 INFO L226 Difference]: Without dead ends: 180 [2018-07-23 13:42:30,118 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 13:42:30,118 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 180 states. [2018-07-23 13:42:30,172 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 180 to 179. [2018-07-23 13:42:30,172 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 179 states. [2018-07-23 13:42:30,172 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 179 states to 179 states and 179 transitions. [2018-07-23 13:42:30,172 INFO L78 Accepts]: Start accepts. Automaton has 179 states and 179 transitions. Word has length 176 [2018-07-23 13:42:30,172 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-07-23 13:42:30,173 INFO L471 AbstractCegarLoop]: Abstraction has 179 states and 179 transitions. [2018-07-23 13:42:30,173 INFO L472 AbstractCegarLoop]: Interpolant automaton has 90 states. [2018-07-23 13:42:30,173 INFO L276 IsEmpty]: Start isEmpty. Operand 179 states and 179 transitions. [2018-07-23 13:42:30,173 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 179 [2018-07-23 13:42:30,173 INFO L349 BasicCegarLoop]: Found error trace [2018-07-23 13:42:30,173 INFO L357 BasicCegarLoop]: trace histogram [88, 87, 1, 1, 1] [2018-07-23 13:42:30,174 INFO L414 AbstractCegarLoop]: === Iteration 88 === [ULTIMATE.startErr0AssertViolationASSERT]=== [2018-07-23 13:42:30,174 INFO L82 PathProgramCache]: Analyzing trace with hash 1697028481, now seen corresponding path program 87 times [2018-07-23 13:42:30,174 INFO L69 tionRefinementEngine]: Using refinement strategy FixedRefinementStrategy [2018-07-23 13:42:30,316 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-07-23 13:42:31,133 INFO L134 CoverageAnalysis]: Checked inductivity of 7656 backedges. 0 proven. 7656 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-07-23 13:42:31,134 INFO L309 seRefinementStrategy]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2018-07-23 13:42:31,134 INFO L324 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [90] total 90 [2018-07-23 13:42:31,134 INFO L142 lantAutomatonBuilder]: Constructing canonical interpolant automaton, with selfloop in false state [2018-07-23 13:42:31,134 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-07-23 13:42:31,134 INFO L185 omatonBuilderFactory]: Interpolants [36992#(<= 1720 (+ ULTIMATE.start_main_~x~4 (* 84 ULTIMATE.start_main_~y~4))), 36993#(<= 2052 (+ ULTIMATE.start_main_~x~4 (* 83 ULTIMATE.start_main_~y~4))), 36994#(<= 2380 (+ ULTIMATE.start_main_~x~4 (* 82 ULTIMATE.start_main_~y~4))), 36995#(<= 2704 (+ ULTIMATE.start_main_~x~4 (* 81 ULTIMATE.start_main_~y~4))), 36996#(<= 3024 (+ ULTIMATE.start_main_~x~4 (* 80 ULTIMATE.start_main_~y~4))), 36997#(<= 3340 (+ ULTIMATE.start_main_~x~4 (* 79 ULTIMATE.start_main_~y~4))), 36998#(<= 3652 (+ ULTIMATE.start_main_~x~4 (* 78 ULTIMATE.start_main_~y~4))), 36999#(<= 3960 (+ ULTIMATE.start_main_~x~4 (* 77 ULTIMATE.start_main_~y~4))), 37000#(<= 4264 (+ ULTIMATE.start_main_~x~4 (* 76 ULTIMATE.start_main_~y~4))), 37001#(<= 4564 (+ ULTIMATE.start_main_~x~4 (* 75 ULTIMATE.start_main_~y~4))), 37002#(<= 4860 (+ ULTIMATE.start_main_~x~4 (* 74 ULTIMATE.start_main_~y~4))), 37003#(<= 5152 (+ ULTIMATE.start_main_~x~4 (* 73 ULTIMATE.start_main_~y~4))), 37004#(<= 5440 (+ ULTIMATE.start_main_~x~4 (* 72 ULTIMATE.start_main_~y~4))), 37005#(<= 5724 (+ ULTIMATE.start_main_~x~4 (* 71 ULTIMATE.start_main_~y~4))), 37006#(<= 6004 (+ ULTIMATE.start_main_~x~4 (* 70 ULTIMATE.start_main_~y~4))), 37007#(<= 6280 (+ ULTIMATE.start_main_~x~4 (* 69 ULTIMATE.start_main_~y~4))), 37008#(<= 6552 (+ ULTIMATE.start_main_~x~4 (* 68 ULTIMATE.start_main_~y~4))), 37009#(<= 6820 (+ ULTIMATE.start_main_~x~4 (* 67 ULTIMATE.start_main_~y~4))), 37010#(<= 7084 (+ ULTIMATE.start_main_~x~4 (* 66 ULTIMATE.start_main_~y~4))), 37011#(<= 7344 (+ ULTIMATE.start_main_~x~4 (* 65 ULTIMATE.start_main_~y~4))), 37012#(<= 7600 (+ ULTIMATE.start_main_~x~4 (* 64 ULTIMATE.start_main_~y~4))), 37013#(<= 7852 (+ ULTIMATE.start_main_~x~4 (* 63 ULTIMATE.start_main_~y~4))), 37014#(<= 8100 (+ ULTIMATE.start_main_~x~4 (* 62 ULTIMATE.start_main_~y~4))), 37015#(<= 8344 (+ ULTIMATE.start_main_~x~4 (* 61 ULTIMATE.start_main_~y~4))), 37016#(<= 8584 (+ ULTIMATE.start_main_~x~4 (* 60 ULTIMATE.start_main_~y~4))), 37017#(<= 8820 (+ ULTIMATE.start_main_~x~4 (* 59 ULTIMATE.start_main_~y~4))), 37018#(<= 9052 (+ ULTIMATE.start_main_~x~4 (* 58 ULTIMATE.start_main_~y~4))), 37019#(<= 9280 (+ ULTIMATE.start_main_~x~4 (* 57 ULTIMATE.start_main_~y~4))), 37020#(<= 9504 (+ ULTIMATE.start_main_~x~4 (* 56 ULTIMATE.start_main_~y~4))), 37021#(<= 9724 (+ ULTIMATE.start_main_~x~4 (* 55 ULTIMATE.start_main_~y~4))), 37022#(<= 9940 (+ ULTIMATE.start_main_~x~4 (* 54 ULTIMATE.start_main_~y~4))), 37023#(<= 10152 (+ ULTIMATE.start_main_~x~4 (* 53 ULTIMATE.start_main_~y~4))), 37024#(<= 10360 (+ ULTIMATE.start_main_~x~4 (* 52 ULTIMATE.start_main_~y~4))), 37025#(<= 10564 (+ ULTIMATE.start_main_~x~4 (* 51 ULTIMATE.start_main_~y~4))), 37026#(<= 10764 (+ ULTIMATE.start_main_~x~4 (* 50 ULTIMATE.start_main_~y~4))), 37027#(<= 10960 (+ ULTIMATE.start_main_~x~4 (* 49 ULTIMATE.start_main_~y~4))), 37028#(<= 11152 (+ ULTIMATE.start_main_~x~4 (* 48 ULTIMATE.start_main_~y~4))), 37029#(<= 11340 (+ ULTIMATE.start_main_~x~4 (* 47 ULTIMATE.start_main_~y~4))), 37030#(<= 11524 (+ ULTIMATE.start_main_~x~4 (* 46 ULTIMATE.start_main_~y~4))), 37031#(<= 11704 (+ ULTIMATE.start_main_~x~4 (* 45 ULTIMATE.start_main_~y~4))), 37032#(<= 11880 (+ ULTIMATE.start_main_~x~4 (* 44 ULTIMATE.start_main_~y~4))), 37033#(<= 12052 (+ ULTIMATE.start_main_~x~4 (* 43 ULTIMATE.start_main_~y~4))), 37034#(<= 12220 (+ ULTIMATE.start_main_~x~4 (* 42 ULTIMATE.start_main_~y~4))), 37035#(<= 12384 (+ ULTIMATE.start_main_~x~4 (* 41 ULTIMATE.start_main_~y~4))), 37036#(<= 12544 (+ ULTIMATE.start_main_~x~4 (* 40 ULTIMATE.start_main_~y~4))), 37037#(<= 12700 (+ ULTIMATE.start_main_~x~4 (* 39 ULTIMATE.start_main_~y~4))), 37038#(<= 12852 (+ ULTIMATE.start_main_~x~4 (* 38 ULTIMATE.start_main_~y~4))), 37039#(<= 13000 (+ ULTIMATE.start_main_~x~4 (* 37 ULTIMATE.start_main_~y~4))), 37040#(<= 13144 (+ ULTIMATE.start_main_~x~4 (* 36 ULTIMATE.start_main_~y~4))), 37041#(<= 13284 (+ ULTIMATE.start_main_~x~4 (* 35 ULTIMATE.start_main_~y~4))), 37042#(<= 13420 (+ ULTIMATE.start_main_~x~4 (* 34 ULTIMATE.start_main_~y~4))), 37043#(<= 13552 (+ ULTIMATE.start_main_~x~4 (* 33 ULTIMATE.start_main_~y~4))), 37044#(<= 13680 (+ ULTIMATE.start_main_~x~4 (* 32 ULTIMATE.start_main_~y~4))), 37045#(<= 13804 (+ ULTIMATE.start_main_~x~4 (* 31 ULTIMATE.start_main_~y~4))), 37046#(<= 13924 (+ ULTIMATE.start_main_~x~4 (* 30 ULTIMATE.start_main_~y~4))), 37047#(<= 14040 (+ ULTIMATE.start_main_~x~4 (* 29 ULTIMATE.start_main_~y~4))), 37048#(<= 14152 (+ ULTIMATE.start_main_~x~4 (* 28 ULTIMATE.start_main_~y~4))), 37049#(<= 14260 (+ ULTIMATE.start_main_~x~4 (* 27 ULTIMATE.start_main_~y~4))), 37050#(<= 14364 (+ ULTIMATE.start_main_~x~4 (* 26 ULTIMATE.start_main_~y~4))), 37051#(<= 14464 (+ ULTIMATE.start_main_~x~4 (* 25 ULTIMATE.start_main_~y~4))), 37052#(<= 14560 (+ ULTIMATE.start_main_~x~4 (* 24 ULTIMATE.start_main_~y~4))), 37053#(<= 14652 (+ ULTIMATE.start_main_~x~4 (* 23 ULTIMATE.start_main_~y~4))), 37054#(<= 14740 (+ ULTIMATE.start_main_~x~4 (* 22 ULTIMATE.start_main_~y~4))), 37055#(<= 14824 (+ ULTIMATE.start_main_~x~4 (* 21 ULTIMATE.start_main_~y~4))), 37056#(<= 14904 (+ ULTIMATE.start_main_~x~4 (* 20 ULTIMATE.start_main_~y~4))), 37057#(<= 14980 (+ ULTIMATE.start_main_~x~4 (* 19 ULTIMATE.start_main_~y~4))), 37058#(<= 15052 (+ ULTIMATE.start_main_~x~4 (* 18 ULTIMATE.start_main_~y~4))), 37059#(<= 15120 (+ ULTIMATE.start_main_~x~4 (* 17 ULTIMATE.start_main_~y~4))), 37060#(<= 15184 (+ ULTIMATE.start_main_~x~4 (* 16 ULTIMATE.start_main_~y~4))), 37061#(<= 15244 (+ ULTIMATE.start_main_~x~4 (* 15 ULTIMATE.start_main_~y~4))), 37062#(<= 15300 (+ ULTIMATE.start_main_~x~4 (* 14 ULTIMATE.start_main_~y~4))), 37063#(<= 15352 (+ ULTIMATE.start_main_~x~4 (* 13 ULTIMATE.start_main_~y~4))), 37064#(<= 15400 (+ ULTIMATE.start_main_~x~4 (* 12 ULTIMATE.start_main_~y~4))), 37065#(<= 15444 (+ ULTIMATE.start_main_~x~4 (* 11 ULTIMATE.start_main_~y~4))), 37066#(<= 15484 (+ ULTIMATE.start_main_~x~4 (* 10 ULTIMATE.start_main_~y~4))), 37067#(<= 15520 (+ ULTIMATE.start_main_~x~4 (* 9 ULTIMATE.start_main_~y~4))), 37068#(<= 15552 (+ ULTIMATE.start_main_~x~4 (* 8 ULTIMATE.start_main_~y~4))), 37069#(<= 15580 (+ ULTIMATE.start_main_~x~4 (* 7 ULTIMATE.start_main_~y~4))), 37070#(<= 15604 (+ ULTIMATE.start_main_~x~4 (* 6 ULTIMATE.start_main_~y~4))), 37071#(<= 15624 (+ ULTIMATE.start_main_~x~4 (* 5 ULTIMATE.start_main_~y~4))), 37072#(<= 15640 (+ ULTIMATE.start_main_~x~4 (* 4 ULTIMATE.start_main_~y~4))), 37073#(<= 15652 (+ ULTIMATE.start_main_~x~4 (* 3 ULTIMATE.start_main_~y~4))), 37074#(<= 15660 (+ ULTIMATE.start_main_~x~4 (* 2 ULTIMATE.start_main_~y~4))), 37075#(<= 15664 (+ ULTIMATE.start_main_~x~4 ULTIMATE.start_main_~y~4)), 37076#(<= 1 ULTIMATE.start___VERIFIER_assert_~cond), 36986#true, 36987#false, 36988#(<= 352 (+ ULTIMATE.start_main_~x~4 (* 88 ULTIMATE.start_main_~y~4))), 36989#(<= 700 (+ ULTIMATE.start_main_~x~4 (* 87 ULTIMATE.start_main_~y~4))), 36990#(<= 1044 (+ ULTIMATE.start_main_~x~4 (* 86 ULTIMATE.start_main_~y~4))), 36991#(<= 1384 (+ ULTIMATE.start_main_~x~4 (* 85 ULTIMATE.start_main_~y~4)))] [2018-07-23 13:42:31,135 INFO L134 CoverageAnalysis]: Checked inductivity of 7656 backedges. 0 proven. 7656 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-07-23 13:42:31,135 INFO L450 AbstractCegarLoop]: Interpolant automaton has 91 states [2018-07-23 13:42:31,135 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 91 interpolants. [2018-07-23 13:42:31,136 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=179, Invalid=8011, Unknown=0, NotChecked=0, Total=8190 [2018-07-23 13:42:31,136 INFO L87 Difference]: Start difference. First operand 179 states and 179 transitions. Second operand 91 states. [2018-07-23 13:42:32,562 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-07-23 13:42:32,563 INFO L93 Difference]: Finished difference Result 184 states and 184 transitions. [2018-07-23 13:42:32,563 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 91 states. [2018-07-23 13:42:32,563 INFO L78 Accepts]: Start accepts. Automaton has 91 states. Word has length 178 [2018-07-23 13:42:32,563 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-07-23 13:42:32,564 INFO L225 Difference]: With dead ends: 184 [2018-07-23 13:42:32,564 INFO L226 Difference]: Without dead ends: 182 [2018-07-23 13:42:32,564 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 13:42:32,565 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 182 states. [2018-07-23 13:42:32,635 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 182 to 181. [2018-07-23 13:42:32,635 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 181 states. [2018-07-23 13:42:32,635 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 181 states to 181 states and 181 transitions. [2018-07-23 13:42:32,636 INFO L78 Accepts]: Start accepts. Automaton has 181 states and 181 transitions. Word has length 178 [2018-07-23 13:42:32,636 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-07-23 13:42:32,636 INFO L471 AbstractCegarLoop]: Abstraction has 181 states and 181 transitions. [2018-07-23 13:42:32,636 INFO L472 AbstractCegarLoop]: Interpolant automaton has 91 states. [2018-07-23 13:42:32,636 INFO L276 IsEmpty]: Start isEmpty. Operand 181 states and 181 transitions. [2018-07-23 13:42:32,637 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 181 [2018-07-23 13:42:32,637 INFO L349 BasicCegarLoop]: Found error trace [2018-07-23 13:42:32,637 INFO L357 BasicCegarLoop]: trace histogram [89, 88, 1, 1, 1] [2018-07-23 13:42:32,637 INFO L414 AbstractCegarLoop]: === Iteration 89 === [ULTIMATE.startErr0AssertViolationASSERT]=== [2018-07-23 13:42:32,637 INFO L82 PathProgramCache]: Analyzing trace with hash -1243255541, now seen corresponding path program 88 times [2018-07-23 13:42:32,637 INFO L69 tionRefinementEngine]: Using refinement strategy FixedRefinementStrategy [2018-07-23 13:42:32,785 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-07-23 13:42:33,614 INFO L134 CoverageAnalysis]: Checked inductivity of 7832 backedges. 0 proven. 7832 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-07-23 13:42:33,614 INFO L309 seRefinementStrategy]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2018-07-23 13:42:33,615 INFO L324 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [91] total 91 [2018-07-23 13:42:33,615 INFO L142 lantAutomatonBuilder]: Constructing canonical interpolant automaton, with selfloop in false state [2018-07-23 13:42:33,615 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-07-23 13:42:33,615 INFO L185 omatonBuilderFactory]: Interpolants [37888#(<= 15840 (+ ULTIMATE.start_main_~x~4 (* 10 ULTIMATE.start_main_~y~4))), 37889#(<= 15876 (+ ULTIMATE.start_main_~x~4 (* 9 ULTIMATE.start_main_~y~4))), 37890#(<= 15908 (+ ULTIMATE.start_main_~x~4 (* 8 ULTIMATE.start_main_~y~4))), 37891#(<= 15936 (+ ULTIMATE.start_main_~x~4 (* 7 ULTIMATE.start_main_~y~4))), 37892#(<= 15960 (+ ULTIMATE.start_main_~x~4 (* 6 ULTIMATE.start_main_~y~4))), 37893#(<= 15980 (+ ULTIMATE.start_main_~x~4 (* 5 ULTIMATE.start_main_~y~4))), 37894#(<= 15996 (+ ULTIMATE.start_main_~x~4 (* 4 ULTIMATE.start_main_~y~4))), 37895#(<= 16008 (+ ULTIMATE.start_main_~x~4 (* 3 ULTIMATE.start_main_~y~4))), 37896#(<= 16016 (+ ULTIMATE.start_main_~x~4 (* 2 ULTIMATE.start_main_~y~4))), 37897#(<= 16020 (+ ULTIMATE.start_main_~x~4 ULTIMATE.start_main_~y~4)), 37898#(<= 1 ULTIMATE.start___VERIFIER_assert_~cond), 37807#true, 37808#false, 37809#(<= 356 (+ ULTIMATE.start_main_~x~4 (* 89 ULTIMATE.start_main_~y~4))), 37810#(<= 708 (+ ULTIMATE.start_main_~x~4 (* 88 ULTIMATE.start_main_~y~4))), 37811#(<= 1056 (+ ULTIMATE.start_main_~x~4 (* 87 ULTIMATE.start_main_~y~4))), 37812#(<= 1400 (+ ULTIMATE.start_main_~x~4 (* 86 ULTIMATE.start_main_~y~4))), 37813#(<= 1740 (+ ULTIMATE.start_main_~x~4 (* 85 ULTIMATE.start_main_~y~4))), 37814#(<= 2076 (+ ULTIMATE.start_main_~x~4 (* 84 ULTIMATE.start_main_~y~4))), 37815#(<= 2408 (+ ULTIMATE.start_main_~x~4 (* 83 ULTIMATE.start_main_~y~4))), 37816#(<= 2736 (+ ULTIMATE.start_main_~x~4 (* 82 ULTIMATE.start_main_~y~4))), 37817#(<= 3060 (+ ULTIMATE.start_main_~x~4 (* 81 ULTIMATE.start_main_~y~4))), 37818#(<= 3380 (+ ULTIMATE.start_main_~x~4 (* 80 ULTIMATE.start_main_~y~4))), 37819#(<= 3696 (+ ULTIMATE.start_main_~x~4 (* 79 ULTIMATE.start_main_~y~4))), 37820#(<= 4008 (+ ULTIMATE.start_main_~x~4 (* 78 ULTIMATE.start_main_~y~4))), 37821#(<= 4316 (+ ULTIMATE.start_main_~x~4 (* 77 ULTIMATE.start_main_~y~4))), 37822#(<= 4620 (+ ULTIMATE.start_main_~x~4 (* 76 ULTIMATE.start_main_~y~4))), 37823#(<= 4920 (+ ULTIMATE.start_main_~x~4 (* 75 ULTIMATE.start_main_~y~4))), 37824#(<= 5216 (+ ULTIMATE.start_main_~x~4 (* 74 ULTIMATE.start_main_~y~4))), 37825#(<= 5508 (+ ULTIMATE.start_main_~x~4 (* 73 ULTIMATE.start_main_~y~4))), 37826#(<= 5796 (+ ULTIMATE.start_main_~x~4 (* 72 ULTIMATE.start_main_~y~4))), 37827#(<= 6080 (+ ULTIMATE.start_main_~x~4 (* 71 ULTIMATE.start_main_~y~4))), 37828#(<= 6360 (+ ULTIMATE.start_main_~x~4 (* 70 ULTIMATE.start_main_~y~4))), 37829#(<= 6636 (+ ULTIMATE.start_main_~x~4 (* 69 ULTIMATE.start_main_~y~4))), 37830#(<= 6908 (+ ULTIMATE.start_main_~x~4 (* 68 ULTIMATE.start_main_~y~4))), 37831#(<= 7176 (+ ULTIMATE.start_main_~x~4 (* 67 ULTIMATE.start_main_~y~4))), 37832#(<= 7440 (+ ULTIMATE.start_main_~x~4 (* 66 ULTIMATE.start_main_~y~4))), 37833#(<= 7700 (+ ULTIMATE.start_main_~x~4 (* 65 ULTIMATE.start_main_~y~4))), 37834#(<= 7956 (+ ULTIMATE.start_main_~x~4 (* 64 ULTIMATE.start_main_~y~4))), 37835#(<= 8208 (+ ULTIMATE.start_main_~x~4 (* 63 ULTIMATE.start_main_~y~4))), 37836#(<= 8456 (+ ULTIMATE.start_main_~x~4 (* 62 ULTIMATE.start_main_~y~4))), 37837#(<= 8700 (+ ULTIMATE.start_main_~x~4 (* 61 ULTIMATE.start_main_~y~4))), 37838#(<= 8940 (+ ULTIMATE.start_main_~x~4 (* 60 ULTIMATE.start_main_~y~4))), 37839#(<= 9176 (+ ULTIMATE.start_main_~x~4 (* 59 ULTIMATE.start_main_~y~4))), 37840#(<= 9408 (+ ULTIMATE.start_main_~x~4 (* 58 ULTIMATE.start_main_~y~4))), 37841#(<= 9636 (+ ULTIMATE.start_main_~x~4 (* 57 ULTIMATE.start_main_~y~4))), 37842#(<= 9860 (+ ULTIMATE.start_main_~x~4 (* 56 ULTIMATE.start_main_~y~4))), 37843#(<= 10080 (+ ULTIMATE.start_main_~x~4 (* 55 ULTIMATE.start_main_~y~4))), 37844#(<= 10296 (+ ULTIMATE.start_main_~x~4 (* 54 ULTIMATE.start_main_~y~4))), 37845#(<= 10508 (+ ULTIMATE.start_main_~x~4 (* 53 ULTIMATE.start_main_~y~4))), 37846#(<= 10716 (+ ULTIMATE.start_main_~x~4 (* 52 ULTIMATE.start_main_~y~4))), 37847#(<= 10920 (+ ULTIMATE.start_main_~x~4 (* 51 ULTIMATE.start_main_~y~4))), 37848#(<= 11120 (+ ULTIMATE.start_main_~x~4 (* 50 ULTIMATE.start_main_~y~4))), 37849#(<= 11316 (+ ULTIMATE.start_main_~x~4 (* 49 ULTIMATE.start_main_~y~4))), 37850#(<= 11508 (+ ULTIMATE.start_main_~x~4 (* 48 ULTIMATE.start_main_~y~4))), 37851#(<= 11696 (+ ULTIMATE.start_main_~x~4 (* 47 ULTIMATE.start_main_~y~4))), 37852#(<= 11880 (+ ULTIMATE.start_main_~x~4 (* 46 ULTIMATE.start_main_~y~4))), 37853#(<= 12060 (+ ULTIMATE.start_main_~x~4 (* 45 ULTIMATE.start_main_~y~4))), 37854#(<= 12236 (+ ULTIMATE.start_main_~x~4 (* 44 ULTIMATE.start_main_~y~4))), 37855#(<= 12408 (+ ULTIMATE.start_main_~x~4 (* 43 ULTIMATE.start_main_~y~4))), 37856#(<= 12576 (+ ULTIMATE.start_main_~x~4 (* 42 ULTIMATE.start_main_~y~4))), 37857#(<= 12740 (+ ULTIMATE.start_main_~x~4 (* 41 ULTIMATE.start_main_~y~4))), 37858#(<= 12900 (+ ULTIMATE.start_main_~x~4 (* 40 ULTIMATE.start_main_~y~4))), 37859#(<= 13056 (+ ULTIMATE.start_main_~x~4 (* 39 ULTIMATE.start_main_~y~4))), 37860#(<= 13208 (+ ULTIMATE.start_main_~x~4 (* 38 ULTIMATE.start_main_~y~4))), 37861#(<= 13356 (+ ULTIMATE.start_main_~x~4 (* 37 ULTIMATE.start_main_~y~4))), 37862#(<= 13500 (+ ULTIMATE.start_main_~x~4 (* 36 ULTIMATE.start_main_~y~4))), 37863#(<= 13640 (+ ULTIMATE.start_main_~x~4 (* 35 ULTIMATE.start_main_~y~4))), 37864#(<= 13776 (+ ULTIMATE.start_main_~x~4 (* 34 ULTIMATE.start_main_~y~4))), 37865#(<= 13908 (+ ULTIMATE.start_main_~x~4 (* 33 ULTIMATE.start_main_~y~4))), 37866#(<= 14036 (+ ULTIMATE.start_main_~x~4 (* 32 ULTIMATE.start_main_~y~4))), 37867#(<= 14160 (+ ULTIMATE.start_main_~x~4 (* 31 ULTIMATE.start_main_~y~4))), 37868#(<= 14280 (+ ULTIMATE.start_main_~x~4 (* 30 ULTIMATE.start_main_~y~4))), 37869#(<= 14396 (+ ULTIMATE.start_main_~x~4 (* 29 ULTIMATE.start_main_~y~4))), 37870#(<= 14508 (+ ULTIMATE.start_main_~x~4 (* 28 ULTIMATE.start_main_~y~4))), 37871#(<= 14616 (+ ULTIMATE.start_main_~x~4 (* 27 ULTIMATE.start_main_~y~4))), 37872#(<= 14720 (+ ULTIMATE.start_main_~x~4 (* 26 ULTIMATE.start_main_~y~4))), 37873#(<= 14820 (+ ULTIMATE.start_main_~x~4 (* 25 ULTIMATE.start_main_~y~4))), 37874#(<= 14916 (+ ULTIMATE.start_main_~x~4 (* 24 ULTIMATE.start_main_~y~4))), 37875#(<= 15008 (+ ULTIMATE.start_main_~x~4 (* 23 ULTIMATE.start_main_~y~4))), 37876#(<= 15096 (+ ULTIMATE.start_main_~x~4 (* 22 ULTIMATE.start_main_~y~4))), 37877#(<= 15180 (+ ULTIMATE.start_main_~x~4 (* 21 ULTIMATE.start_main_~y~4))), 37878#(<= 15260 (+ ULTIMATE.start_main_~x~4 (* 20 ULTIMATE.start_main_~y~4))), 37879#(<= 15336 (+ ULTIMATE.start_main_~x~4 (* 19 ULTIMATE.start_main_~y~4))), 37880#(<= 15408 (+ ULTIMATE.start_main_~x~4 (* 18 ULTIMATE.start_main_~y~4))), 37881#(<= 15476 (+ ULTIMATE.start_main_~x~4 (* 17 ULTIMATE.start_main_~y~4))), 37882#(<= 15540 (+ ULTIMATE.start_main_~x~4 (* 16 ULTIMATE.start_main_~y~4))), 37883#(<= 15600 (+ ULTIMATE.start_main_~x~4 (* 15 ULTIMATE.start_main_~y~4))), 37884#(<= 15656 (+ ULTIMATE.start_main_~x~4 (* 14 ULTIMATE.start_main_~y~4))), 37885#(<= 15708 (+ ULTIMATE.start_main_~x~4 (* 13 ULTIMATE.start_main_~y~4))), 37886#(<= 15756 (+ ULTIMATE.start_main_~x~4 (* 12 ULTIMATE.start_main_~y~4))), 37887#(<= 15800 (+ ULTIMATE.start_main_~x~4 (* 11 ULTIMATE.start_main_~y~4)))] [2018-07-23 13:42:33,616 INFO L134 CoverageAnalysis]: Checked inductivity of 7832 backedges. 0 proven. 7832 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-07-23 13:42:33,616 INFO L450 AbstractCegarLoop]: Interpolant automaton has 92 states [2018-07-23 13:42:33,616 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 92 interpolants. [2018-07-23 13:42:33,616 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=181, Invalid=8191, Unknown=0, NotChecked=0, Total=8372 [2018-07-23 13:42:33,617 INFO L87 Difference]: Start difference. First operand 181 states and 181 transitions. Second operand 92 states. [2018-07-23 13:42:35,105 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-07-23 13:42:35,106 INFO L93 Difference]: Finished difference Result 186 states and 186 transitions. [2018-07-23 13:42:35,106 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 92 states. [2018-07-23 13:42:35,106 INFO L78 Accepts]: Start accepts. Automaton has 92 states. Word has length 180 [2018-07-23 13:42:35,106 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-07-23 13:42:35,107 INFO L225 Difference]: With dead ends: 186 [2018-07-23 13:42:35,107 INFO L226 Difference]: Without dead ends: 184 [2018-07-23 13:42:35,108 INFO L575 BasicCegarLoop]: 0 DeclaredPredicates, 91 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 90 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.4s TimeCoverageRelationStatistics Valid=181, Invalid=8191, Unknown=0, NotChecked=0, Total=8372 [2018-07-23 13:42:35,108 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 184 states. [2018-07-23 13:42:35,165 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 184 to 183. [2018-07-23 13:42:35,165 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 183 states. [2018-07-23 13:42:35,166 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 183 states to 183 states and 183 transitions. [2018-07-23 13:42:35,166 INFO L78 Accepts]: Start accepts. Automaton has 183 states and 183 transitions. Word has length 180 [2018-07-23 13:42:35,166 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-07-23 13:42:35,166 INFO L471 AbstractCegarLoop]: Abstraction has 183 states and 183 transitions. [2018-07-23 13:42:35,166 INFO L472 AbstractCegarLoop]: Interpolant automaton has 92 states. [2018-07-23 13:42:35,166 INFO L276 IsEmpty]: Start isEmpty. Operand 183 states and 183 transitions. [2018-07-23 13:42:35,167 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 183 [2018-07-23 13:42:35,167 INFO L349 BasicCegarLoop]: Found error trace [2018-07-23 13:42:35,167 INFO L357 BasicCegarLoop]: trace histogram [90, 89, 1, 1, 1] [2018-07-23 13:42:35,167 INFO L414 AbstractCegarLoop]: === Iteration 90 === [ULTIMATE.startErr0AssertViolationASSERT]=== [2018-07-23 13:42:35,167 INFO L82 PathProgramCache]: Analyzing trace with hash -767719915, now seen corresponding path program 89 times [2018-07-23 13:42:35,167 INFO L69 tionRefinementEngine]: Using refinement strategy FixedRefinementStrategy [2018-07-23 13:42:35,328 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-07-23 13:42:36,165 INFO L134 CoverageAnalysis]: Checked inductivity of 8010 backedges. 0 proven. 8010 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-07-23 13:42:36,166 INFO L309 seRefinementStrategy]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2018-07-23 13:42:36,166 INFO L324 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [92] total 92 [2018-07-23 13:42:36,166 INFO L142 lantAutomatonBuilder]: Constructing canonical interpolant automaton, with selfloop in false state [2018-07-23 13:42:36,166 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-07-23 13:42:36,167 INFO L185 omatonBuilderFactory]: Interpolants [38656#(<= 5868 (+ ULTIMATE.start_main_~x~4 (* 73 ULTIMATE.start_main_~y~4))), 38657#(<= 6156 (+ ULTIMATE.start_main_~x~4 (* 72 ULTIMATE.start_main_~y~4))), 38658#(<= 6440 (+ ULTIMATE.start_main_~x~4 (* 71 ULTIMATE.start_main_~y~4))), 38659#(<= 6720 (+ ULTIMATE.start_main_~x~4 (* 70 ULTIMATE.start_main_~y~4))), 38660#(<= 6996 (+ ULTIMATE.start_main_~x~4 (* 69 ULTIMATE.start_main_~y~4))), 38661#(<= 7268 (+ ULTIMATE.start_main_~x~4 (* 68 ULTIMATE.start_main_~y~4))), 38662#(<= 7536 (+ ULTIMATE.start_main_~x~4 (* 67 ULTIMATE.start_main_~y~4))), 38663#(<= 7800 (+ ULTIMATE.start_main_~x~4 (* 66 ULTIMATE.start_main_~y~4))), 38664#(<= 8060 (+ ULTIMATE.start_main_~x~4 (* 65 ULTIMATE.start_main_~y~4))), 38665#(<= 8316 (+ ULTIMATE.start_main_~x~4 (* 64 ULTIMATE.start_main_~y~4))), 38666#(<= 8568 (+ ULTIMATE.start_main_~x~4 (* 63 ULTIMATE.start_main_~y~4))), 38667#(<= 8816 (+ ULTIMATE.start_main_~x~4 (* 62 ULTIMATE.start_main_~y~4))), 38668#(<= 9060 (+ ULTIMATE.start_main_~x~4 (* 61 ULTIMATE.start_main_~y~4))), 38669#(<= 9300 (+ ULTIMATE.start_main_~x~4 (* 60 ULTIMATE.start_main_~y~4))), 38670#(<= 9536 (+ ULTIMATE.start_main_~x~4 (* 59 ULTIMATE.start_main_~y~4))), 38671#(<= 9768 (+ ULTIMATE.start_main_~x~4 (* 58 ULTIMATE.start_main_~y~4))), 38672#(<= 9996 (+ ULTIMATE.start_main_~x~4 (* 57 ULTIMATE.start_main_~y~4))), 38673#(<= 10220 (+ ULTIMATE.start_main_~x~4 (* 56 ULTIMATE.start_main_~y~4))), 38674#(<= 10440 (+ ULTIMATE.start_main_~x~4 (* 55 ULTIMATE.start_main_~y~4))), 38675#(<= 10656 (+ ULTIMATE.start_main_~x~4 (* 54 ULTIMATE.start_main_~y~4))), 38676#(<= 10868 (+ ULTIMATE.start_main_~x~4 (* 53 ULTIMATE.start_main_~y~4))), 38677#(<= 11076 (+ ULTIMATE.start_main_~x~4 (* 52 ULTIMATE.start_main_~y~4))), 38678#(<= 11280 (+ ULTIMATE.start_main_~x~4 (* 51 ULTIMATE.start_main_~y~4))), 38679#(<= 11480 (+ ULTIMATE.start_main_~x~4 (* 50 ULTIMATE.start_main_~y~4))), 38680#(<= 11676 (+ ULTIMATE.start_main_~x~4 (* 49 ULTIMATE.start_main_~y~4))), 38681#(<= 11868 (+ ULTIMATE.start_main_~x~4 (* 48 ULTIMATE.start_main_~y~4))), 38682#(<= 12056 (+ ULTIMATE.start_main_~x~4 (* 47 ULTIMATE.start_main_~y~4))), 38683#(<= 12240 (+ ULTIMATE.start_main_~x~4 (* 46 ULTIMATE.start_main_~y~4))), 38684#(<= 12420 (+ ULTIMATE.start_main_~x~4 (* 45 ULTIMATE.start_main_~y~4))), 38685#(<= 12596 (+ ULTIMATE.start_main_~x~4 (* 44 ULTIMATE.start_main_~y~4))), 38686#(<= 12768 (+ ULTIMATE.start_main_~x~4 (* 43 ULTIMATE.start_main_~y~4))), 38687#(<= 12936 (+ ULTIMATE.start_main_~x~4 (* 42 ULTIMATE.start_main_~y~4))), 38688#(<= 13100 (+ ULTIMATE.start_main_~x~4 (* 41 ULTIMATE.start_main_~y~4))), 38689#(<= 13260 (+ ULTIMATE.start_main_~x~4 (* 40 ULTIMATE.start_main_~y~4))), 38690#(<= 13416 (+ ULTIMATE.start_main_~x~4 (* 39 ULTIMATE.start_main_~y~4))), 38691#(<= 13568 (+ ULTIMATE.start_main_~x~4 (* 38 ULTIMATE.start_main_~y~4))), 38692#(<= 13716 (+ ULTIMATE.start_main_~x~4 (* 37 ULTIMATE.start_main_~y~4))), 38693#(<= 13860 (+ ULTIMATE.start_main_~x~4 (* 36 ULTIMATE.start_main_~y~4))), 38694#(<= 14000 (+ ULTIMATE.start_main_~x~4 (* 35 ULTIMATE.start_main_~y~4))), 38695#(<= 14136 (+ ULTIMATE.start_main_~x~4 (* 34 ULTIMATE.start_main_~y~4))), 38696#(<= 14268 (+ ULTIMATE.start_main_~x~4 (* 33 ULTIMATE.start_main_~y~4))), 38697#(<= 14396 (+ ULTIMATE.start_main_~x~4 (* 32 ULTIMATE.start_main_~y~4))), 38698#(<= 14520 (+ ULTIMATE.start_main_~x~4 (* 31 ULTIMATE.start_main_~y~4))), 38699#(<= 14640 (+ ULTIMATE.start_main_~x~4 (* 30 ULTIMATE.start_main_~y~4))), 38700#(<= 14756 (+ ULTIMATE.start_main_~x~4 (* 29 ULTIMATE.start_main_~y~4))), 38701#(<= 14868 (+ ULTIMATE.start_main_~x~4 (* 28 ULTIMATE.start_main_~y~4))), 38702#(<= 14976 (+ ULTIMATE.start_main_~x~4 (* 27 ULTIMATE.start_main_~y~4))), 38703#(<= 15080 (+ ULTIMATE.start_main_~x~4 (* 26 ULTIMATE.start_main_~y~4))), 38704#(<= 15180 (+ ULTIMATE.start_main_~x~4 (* 25 ULTIMATE.start_main_~y~4))), 38705#(<= 15276 (+ ULTIMATE.start_main_~x~4 (* 24 ULTIMATE.start_main_~y~4))), 38706#(<= 15368 (+ ULTIMATE.start_main_~x~4 (* 23 ULTIMATE.start_main_~y~4))), 38707#(<= 15456 (+ ULTIMATE.start_main_~x~4 (* 22 ULTIMATE.start_main_~y~4))), 38708#(<= 15540 (+ ULTIMATE.start_main_~x~4 (* 21 ULTIMATE.start_main_~y~4))), 38709#(<= 15620 (+ ULTIMATE.start_main_~x~4 (* 20 ULTIMATE.start_main_~y~4))), 38710#(<= 15696 (+ ULTIMATE.start_main_~x~4 (* 19 ULTIMATE.start_main_~y~4))), 38711#(<= 15768 (+ ULTIMATE.start_main_~x~4 (* 18 ULTIMATE.start_main_~y~4))), 38712#(<= 15836 (+ ULTIMATE.start_main_~x~4 (* 17 ULTIMATE.start_main_~y~4))), 38713#(<= 15900 (+ ULTIMATE.start_main_~x~4 (* 16 ULTIMATE.start_main_~y~4))), 38714#(<= 15960 (+ ULTIMATE.start_main_~x~4 (* 15 ULTIMATE.start_main_~y~4))), 38715#(<= 16016 (+ ULTIMATE.start_main_~x~4 (* 14 ULTIMATE.start_main_~y~4))), 38716#(<= 16068 (+ ULTIMATE.start_main_~x~4 (* 13 ULTIMATE.start_main_~y~4))), 38717#(<= 16116 (+ ULTIMATE.start_main_~x~4 (* 12 ULTIMATE.start_main_~y~4))), 38718#(<= 16160 (+ ULTIMATE.start_main_~x~4 (* 11 ULTIMATE.start_main_~y~4))), 38719#(<= 16200 (+ ULTIMATE.start_main_~x~4 (* 10 ULTIMATE.start_main_~y~4))), 38720#(<= 16236 (+ ULTIMATE.start_main_~x~4 (* 9 ULTIMATE.start_main_~y~4))), 38721#(<= 16268 (+ ULTIMATE.start_main_~x~4 (* 8 ULTIMATE.start_main_~y~4))), 38722#(<= 16296 (+ ULTIMATE.start_main_~x~4 (* 7 ULTIMATE.start_main_~y~4))), 38723#(<= 16320 (+ ULTIMATE.start_main_~x~4 (* 6 ULTIMATE.start_main_~y~4))), 38724#(<= 16340 (+ ULTIMATE.start_main_~x~4 (* 5 ULTIMATE.start_main_~y~4))), 38725#(<= 16356 (+ ULTIMATE.start_main_~x~4 (* 4 ULTIMATE.start_main_~y~4))), 38726#(<= 16368 (+ ULTIMATE.start_main_~x~4 (* 3 ULTIMATE.start_main_~y~4))), 38727#(<= 16376 (+ ULTIMATE.start_main_~x~4 (* 2 ULTIMATE.start_main_~y~4))), 38728#(<= 16380 (+ ULTIMATE.start_main_~x~4 ULTIMATE.start_main_~y~4)), 38729#(<= 1 ULTIMATE.start___VERIFIER_assert_~cond), 38637#true, 38638#false, 38639#(<= 360 (+ ULTIMATE.start_main_~x~4 (* 90 ULTIMATE.start_main_~y~4))), 38640#(<= 716 (+ ULTIMATE.start_main_~x~4 (* 89 ULTIMATE.start_main_~y~4))), 38641#(<= 1068 (+ ULTIMATE.start_main_~x~4 (* 88 ULTIMATE.start_main_~y~4))), 38642#(<= 1416 (+ ULTIMATE.start_main_~x~4 (* 87 ULTIMATE.start_main_~y~4))), 38643#(<= 1760 (+ ULTIMATE.start_main_~x~4 (* 86 ULTIMATE.start_main_~y~4))), 38644#(<= 2100 (+ ULTIMATE.start_main_~x~4 (* 85 ULTIMATE.start_main_~y~4))), 38645#(<= 2436 (+ ULTIMATE.start_main_~x~4 (* 84 ULTIMATE.start_main_~y~4))), 38646#(<= 2768 (+ ULTIMATE.start_main_~x~4 (* 83 ULTIMATE.start_main_~y~4))), 38647#(<= 3096 (+ ULTIMATE.start_main_~x~4 (* 82 ULTIMATE.start_main_~y~4))), 38648#(<= 3420 (+ ULTIMATE.start_main_~x~4 (* 81 ULTIMATE.start_main_~y~4))), 38649#(<= 3740 (+ ULTIMATE.start_main_~x~4 (* 80 ULTIMATE.start_main_~y~4))), 38650#(<= 4056 (+ ULTIMATE.start_main_~x~4 (* 79 ULTIMATE.start_main_~y~4))), 38651#(<= 4368 (+ ULTIMATE.start_main_~x~4 (* 78 ULTIMATE.start_main_~y~4))), 38652#(<= 4676 (+ ULTIMATE.start_main_~x~4 (* 77 ULTIMATE.start_main_~y~4))), 38653#(<= 4980 (+ ULTIMATE.start_main_~x~4 (* 76 ULTIMATE.start_main_~y~4))), 38654#(<= 5280 (+ ULTIMATE.start_main_~x~4 (* 75 ULTIMATE.start_main_~y~4))), 38655#(<= 5576 (+ ULTIMATE.start_main_~x~4 (* 74 ULTIMATE.start_main_~y~4)))] [2018-07-23 13:42:36,167 INFO L134 CoverageAnalysis]: Checked inductivity of 8010 backedges. 0 proven. 8010 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-07-23 13:42:36,167 INFO L450 AbstractCegarLoop]: Interpolant automaton has 93 states [2018-07-23 13:42:36,168 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 93 interpolants. [2018-07-23 13:42:36,168 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=183, Invalid=8373, Unknown=0, NotChecked=0, Total=8556 [2018-07-23 13:42:36,169 INFO L87 Difference]: Start difference. First operand 183 states and 183 transitions. Second operand 93 states. [2018-07-23 13:42:37,719 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-07-23 13:42:37,720 INFO L93 Difference]: Finished difference Result 188 states and 188 transitions. [2018-07-23 13:42:37,720 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 93 states. [2018-07-23 13:42:37,720 INFO L78 Accepts]: Start accepts. Automaton has 93 states. Word has length 182 [2018-07-23 13:42:37,720 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-07-23 13:42:37,721 INFO L225 Difference]: With dead ends: 188 [2018-07-23 13:42:37,721 INFO L226 Difference]: Without dead ends: 186 [2018-07-23 13:42:37,722 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 13:42:37,722 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 186 states. [2018-07-23 13:42:37,780 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 186 to 185. [2018-07-23 13:42:37,780 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 185 states. [2018-07-23 13:42:37,780 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 185 states to 185 states and 185 transitions. [2018-07-23 13:42:37,781 INFO L78 Accepts]: Start accepts. Automaton has 185 states and 185 transitions. Word has length 182 [2018-07-23 13:42:37,781 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-07-23 13:42:37,781 INFO L471 AbstractCegarLoop]: Abstraction has 185 states and 185 transitions. [2018-07-23 13:42:37,781 INFO L472 AbstractCegarLoop]: Interpolant automaton has 93 states. [2018-07-23 13:42:37,781 INFO L276 IsEmpty]: Start isEmpty. Operand 185 states and 185 transitions. [2018-07-23 13:42:37,782 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 185 [2018-07-23 13:42:37,782 INFO L349 BasicCegarLoop]: Found error trace [2018-07-23 13:42:37,782 INFO L357 BasicCegarLoop]: trace histogram [91, 90, 1, 1, 1] [2018-07-23 13:42:37,783 INFO L414 AbstractCegarLoop]: === Iteration 91 === [ULTIMATE.startErr0AssertViolationASSERT]=== [2018-07-23 13:42:37,783 INFO L82 PathProgramCache]: Analyzing trace with hash 955483295, now seen corresponding path program 90 times [2018-07-23 13:42:37,783 INFO L69 tionRefinementEngine]: Using refinement strategy FixedRefinementStrategy [2018-07-23 13:42:37,936 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-07-23 13:42:38,795 INFO L134 CoverageAnalysis]: Checked inductivity of 8190 backedges. 0 proven. 8190 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-07-23 13:42:38,796 INFO L309 seRefinementStrategy]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2018-07-23 13:42:38,796 INFO L324 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [93] total 93 [2018-07-23 13:42:38,796 INFO L142 lantAutomatonBuilder]: Constructing canonical interpolant automaton, with selfloop in false state [2018-07-23 13:42:38,796 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-07-23 13:42:38,796 INFO L185 omatonBuilderFactory]: Interpolants [39552#(<= 16200 (+ ULTIMATE.start_main_~x~4 (* 17 ULTIMATE.start_main_~y~4))), 39553#(<= 16264 (+ ULTIMATE.start_main_~x~4 (* 16 ULTIMATE.start_main_~y~4))), 39554#(<= 16324 (+ ULTIMATE.start_main_~x~4 (* 15 ULTIMATE.start_main_~y~4))), 39555#(<= 16380 (+ ULTIMATE.start_main_~x~4 (* 14 ULTIMATE.start_main_~y~4))), 39556#(<= 16432 (+ ULTIMATE.start_main_~x~4 (* 13 ULTIMATE.start_main_~y~4))), 39557#(<= 16480 (+ ULTIMATE.start_main_~x~4 (* 12 ULTIMATE.start_main_~y~4))), 39558#(<= 16524 (+ ULTIMATE.start_main_~x~4 (* 11 ULTIMATE.start_main_~y~4))), 39559#(<= 16564 (+ ULTIMATE.start_main_~x~4 (* 10 ULTIMATE.start_main_~y~4))), 39560#(<= 16600 (+ ULTIMATE.start_main_~x~4 (* 9 ULTIMATE.start_main_~y~4))), 39561#(<= 16632 (+ ULTIMATE.start_main_~x~4 (* 8 ULTIMATE.start_main_~y~4))), 39562#(<= 16660 (+ ULTIMATE.start_main_~x~4 (* 7 ULTIMATE.start_main_~y~4))), 39563#(<= 16684 (+ ULTIMATE.start_main_~x~4 (* 6 ULTIMATE.start_main_~y~4))), 39564#(<= 16704 (+ ULTIMATE.start_main_~x~4 (* 5 ULTIMATE.start_main_~y~4))), 39565#(<= 16720 (+ ULTIMATE.start_main_~x~4 (* 4 ULTIMATE.start_main_~y~4))), 39566#(<= 16732 (+ ULTIMATE.start_main_~x~4 (* 3 ULTIMATE.start_main_~y~4))), 39567#(<= 16740 (+ ULTIMATE.start_main_~x~4 (* 2 ULTIMATE.start_main_~y~4))), 39568#(<= 16744 (+ ULTIMATE.start_main_~x~4 ULTIMATE.start_main_~y~4)), 39569#(<= 1 ULTIMATE.start___VERIFIER_assert_~cond), 39476#true, 39477#false, 39478#(<= 364 (+ ULTIMATE.start_main_~x~4 (* 91 ULTIMATE.start_main_~y~4))), 39479#(<= 724 (+ ULTIMATE.start_main_~x~4 (* 90 ULTIMATE.start_main_~y~4))), 39480#(<= 1080 (+ ULTIMATE.start_main_~x~4 (* 89 ULTIMATE.start_main_~y~4))), 39481#(<= 1432 (+ ULTIMATE.start_main_~x~4 (* 88 ULTIMATE.start_main_~y~4))), 39482#(<= 1780 (+ ULTIMATE.start_main_~x~4 (* 87 ULTIMATE.start_main_~y~4))), 39483#(<= 2124 (+ ULTIMATE.start_main_~x~4 (* 86 ULTIMATE.start_main_~y~4))), 39484#(<= 2464 (+ ULTIMATE.start_main_~x~4 (* 85 ULTIMATE.start_main_~y~4))), 39485#(<= 2800 (+ ULTIMATE.start_main_~x~4 (* 84 ULTIMATE.start_main_~y~4))), 39486#(<= 3132 (+ ULTIMATE.start_main_~x~4 (* 83 ULTIMATE.start_main_~y~4))), 39487#(<= 3460 (+ ULTIMATE.start_main_~x~4 (* 82 ULTIMATE.start_main_~y~4))), 39488#(<= 3784 (+ ULTIMATE.start_main_~x~4 (* 81 ULTIMATE.start_main_~y~4))), 39489#(<= 4104 (+ ULTIMATE.start_main_~x~4 (* 80 ULTIMATE.start_main_~y~4))), 39490#(<= 4420 (+ ULTIMATE.start_main_~x~4 (* 79 ULTIMATE.start_main_~y~4))), 39491#(<= 4732 (+ ULTIMATE.start_main_~x~4 (* 78 ULTIMATE.start_main_~y~4))), 39492#(<= 5040 (+ ULTIMATE.start_main_~x~4 (* 77 ULTIMATE.start_main_~y~4))), 39493#(<= 5344 (+ ULTIMATE.start_main_~x~4 (* 76 ULTIMATE.start_main_~y~4))), 39494#(<= 5644 (+ ULTIMATE.start_main_~x~4 (* 75 ULTIMATE.start_main_~y~4))), 39495#(<= 5940 (+ ULTIMATE.start_main_~x~4 (* 74 ULTIMATE.start_main_~y~4))), 39496#(<= 6232 (+ ULTIMATE.start_main_~x~4 (* 73 ULTIMATE.start_main_~y~4))), 39497#(<= 6520 (+ ULTIMATE.start_main_~x~4 (* 72 ULTIMATE.start_main_~y~4))), 39498#(<= 6804 (+ ULTIMATE.start_main_~x~4 (* 71 ULTIMATE.start_main_~y~4))), 39499#(<= 7084 (+ ULTIMATE.start_main_~x~4 (* 70 ULTIMATE.start_main_~y~4))), 39500#(<= 7360 (+ ULTIMATE.start_main_~x~4 (* 69 ULTIMATE.start_main_~y~4))), 39501#(<= 7632 (+ ULTIMATE.start_main_~x~4 (* 68 ULTIMATE.start_main_~y~4))), 39502#(<= 7900 (+ ULTIMATE.start_main_~x~4 (* 67 ULTIMATE.start_main_~y~4))), 39503#(<= 8164 (+ ULTIMATE.start_main_~x~4 (* 66 ULTIMATE.start_main_~y~4))), 39504#(<= 8424 (+ ULTIMATE.start_main_~x~4 (* 65 ULTIMATE.start_main_~y~4))), 39505#(<= 8680 (+ ULTIMATE.start_main_~x~4 (* 64 ULTIMATE.start_main_~y~4))), 39506#(<= 8932 (+ ULTIMATE.start_main_~x~4 (* 63 ULTIMATE.start_main_~y~4))), 39507#(<= 9180 (+ ULTIMATE.start_main_~x~4 (* 62 ULTIMATE.start_main_~y~4))), 39508#(<= 9424 (+ ULTIMATE.start_main_~x~4 (* 61 ULTIMATE.start_main_~y~4))), 39509#(<= 9664 (+ ULTIMATE.start_main_~x~4 (* 60 ULTIMATE.start_main_~y~4))), 39510#(<= 9900 (+ ULTIMATE.start_main_~x~4 (* 59 ULTIMATE.start_main_~y~4))), 39511#(<= 10132 (+ ULTIMATE.start_main_~x~4 (* 58 ULTIMATE.start_main_~y~4))), 39512#(<= 10360 (+ ULTIMATE.start_main_~x~4 (* 57 ULTIMATE.start_main_~y~4))), 39513#(<= 10584 (+ ULTIMATE.start_main_~x~4 (* 56 ULTIMATE.start_main_~y~4))), 39514#(<= 10804 (+ ULTIMATE.start_main_~x~4 (* 55 ULTIMATE.start_main_~y~4))), 39515#(<= 11020 (+ ULTIMATE.start_main_~x~4 (* 54 ULTIMATE.start_main_~y~4))), 39516#(<= 11232 (+ ULTIMATE.start_main_~x~4 (* 53 ULTIMATE.start_main_~y~4))), 39517#(<= 11440 (+ ULTIMATE.start_main_~x~4 (* 52 ULTIMATE.start_main_~y~4))), 39518#(<= 11644 (+ ULTIMATE.start_main_~x~4 (* 51 ULTIMATE.start_main_~y~4))), 39519#(<= 11844 (+ ULTIMATE.start_main_~x~4 (* 50 ULTIMATE.start_main_~y~4))), 39520#(<= 12040 (+ ULTIMATE.start_main_~x~4 (* 49 ULTIMATE.start_main_~y~4))), 39521#(<= 12232 (+ ULTIMATE.start_main_~x~4 (* 48 ULTIMATE.start_main_~y~4))), 39522#(<= 12420 (+ ULTIMATE.start_main_~x~4 (* 47 ULTIMATE.start_main_~y~4))), 39523#(<= 12604 (+ ULTIMATE.start_main_~x~4 (* 46 ULTIMATE.start_main_~y~4))), 39524#(<= 12784 (+ ULTIMATE.start_main_~x~4 (* 45 ULTIMATE.start_main_~y~4))), 39525#(<= 12960 (+ ULTIMATE.start_main_~x~4 (* 44 ULTIMATE.start_main_~y~4))), 39526#(<= 13132 (+ ULTIMATE.start_main_~x~4 (* 43 ULTIMATE.start_main_~y~4))), 39527#(<= 13300 (+ ULTIMATE.start_main_~x~4 (* 42 ULTIMATE.start_main_~y~4))), 39528#(<= 13464 (+ ULTIMATE.start_main_~x~4 (* 41 ULTIMATE.start_main_~y~4))), 39529#(<= 13624 (+ ULTIMATE.start_main_~x~4 (* 40 ULTIMATE.start_main_~y~4))), 39530#(<= 13780 (+ ULTIMATE.start_main_~x~4 (* 39 ULTIMATE.start_main_~y~4))), 39531#(<= 13932 (+ ULTIMATE.start_main_~x~4 (* 38 ULTIMATE.start_main_~y~4))), 39532#(<= 14080 (+ ULTIMATE.start_main_~x~4 (* 37 ULTIMATE.start_main_~y~4))), 39533#(<= 14224 (+ ULTIMATE.start_main_~x~4 (* 36 ULTIMATE.start_main_~y~4))), 39534#(<= 14364 (+ ULTIMATE.start_main_~x~4 (* 35 ULTIMATE.start_main_~y~4))), 39535#(<= 14500 (+ ULTIMATE.start_main_~x~4 (* 34 ULTIMATE.start_main_~y~4))), 39536#(<= 14632 (+ ULTIMATE.start_main_~x~4 (* 33 ULTIMATE.start_main_~y~4))), 39537#(<= 14760 (+ ULTIMATE.start_main_~x~4 (* 32 ULTIMATE.start_main_~y~4))), 39538#(<= 14884 (+ ULTIMATE.start_main_~x~4 (* 31 ULTIMATE.start_main_~y~4))), 39539#(<= 15004 (+ ULTIMATE.start_main_~x~4 (* 30 ULTIMATE.start_main_~y~4))), 39540#(<= 15120 (+ ULTIMATE.start_main_~x~4 (* 29 ULTIMATE.start_main_~y~4))), 39541#(<= 15232 (+ ULTIMATE.start_main_~x~4 (* 28 ULTIMATE.start_main_~y~4))), 39542#(<= 15340 (+ ULTIMATE.start_main_~x~4 (* 27 ULTIMATE.start_main_~y~4))), 39543#(<= 15444 (+ ULTIMATE.start_main_~x~4 (* 26 ULTIMATE.start_main_~y~4))), 39544#(<= 15544 (+ ULTIMATE.start_main_~x~4 (* 25 ULTIMATE.start_main_~y~4))), 39545#(<= 15640 (+ ULTIMATE.start_main_~x~4 (* 24 ULTIMATE.start_main_~y~4))), 39546#(<= 15732 (+ ULTIMATE.start_main_~x~4 (* 23 ULTIMATE.start_main_~y~4))), 39547#(<= 15820 (+ ULTIMATE.start_main_~x~4 (* 22 ULTIMATE.start_main_~y~4))), 39548#(<= 15904 (+ ULTIMATE.start_main_~x~4 (* 21 ULTIMATE.start_main_~y~4))), 39549#(<= 15984 (+ ULTIMATE.start_main_~x~4 (* 20 ULTIMATE.start_main_~y~4))), 39550#(<= 16060 (+ ULTIMATE.start_main_~x~4 (* 19 ULTIMATE.start_main_~y~4))), 39551#(<= 16132 (+ ULTIMATE.start_main_~x~4 (* 18 ULTIMATE.start_main_~y~4)))] [2018-07-23 13:42:38,797 INFO L134 CoverageAnalysis]: Checked inductivity of 8190 backedges. 0 proven. 8190 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-07-23 13:42:38,797 INFO L450 AbstractCegarLoop]: Interpolant automaton has 94 states [2018-07-23 13:42:38,797 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 94 interpolants. [2018-07-23 13:42:38,797 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=185, Invalid=8557, Unknown=0, NotChecked=0, Total=8742 [2018-07-23 13:42:38,798 INFO L87 Difference]: Start difference. First operand 185 states and 185 transitions. Second operand 94 states. [2018-07-23 13:42:40,214 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-07-23 13:42:40,215 INFO L93 Difference]: Finished difference Result 190 states and 190 transitions. [2018-07-23 13:42:40,215 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 94 states. [2018-07-23 13:42:40,215 INFO L78 Accepts]: Start accepts. Automaton has 94 states. Word has length 184 [2018-07-23 13:42:40,215 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-07-23 13:42:40,216 INFO L225 Difference]: With dead ends: 190 [2018-07-23 13:42:40,216 INFO L226 Difference]: Without dead ends: 188 [2018-07-23 13:42:40,216 INFO L575 BasicCegarLoop]: 0 DeclaredPredicates, 93 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 92 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.4s TimeCoverageRelationStatistics Valid=185, Invalid=8557, Unknown=0, NotChecked=0, Total=8742 [2018-07-23 13:42:40,216 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 188 states. [2018-07-23 13:42:40,275 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 188 to 187. [2018-07-23 13:42:40,275 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 187 states. [2018-07-23 13:42:40,275 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 187 states to 187 states and 187 transitions. [2018-07-23 13:42:40,275 INFO L78 Accepts]: Start accepts. Automaton has 187 states and 187 transitions. Word has length 184 [2018-07-23 13:42:40,275 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-07-23 13:42:40,276 INFO L471 AbstractCegarLoop]: Abstraction has 187 states and 187 transitions. [2018-07-23 13:42:40,276 INFO L472 AbstractCegarLoop]: Interpolant automaton has 94 states. [2018-07-23 13:42:40,276 INFO L276 IsEmpty]: Start isEmpty. Operand 187 states and 187 transitions. [2018-07-23 13:42:40,276 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 187 [2018-07-23 13:42:40,277 INFO L349 BasicCegarLoop]: Found error trace [2018-07-23 13:42:40,277 INFO L357 BasicCegarLoop]: trace histogram [92, 91, 1, 1, 1] [2018-07-23 13:42:40,277 INFO L414 AbstractCegarLoop]: === Iteration 92 === [ULTIMATE.startErr0AssertViolationASSERT]=== [2018-07-23 13:42:40,277 INFO L82 PathProgramCache]: Analyzing trace with hash -903608151, now seen corresponding path program 91 times [2018-07-23 13:42:40,277 INFO L69 tionRefinementEngine]: Using refinement strategy FixedRefinementStrategy [2018-07-23 13:42:40,429 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-07-23 13:42:41,272 INFO L134 CoverageAnalysis]: Checked inductivity of 8372 backedges. 0 proven. 8372 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-07-23 13:42:41,272 INFO L309 seRefinementStrategy]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2018-07-23 13:42:41,272 INFO L324 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [94] total 94 [2018-07-23 13:42:41,272 INFO L142 lantAutomatonBuilder]: Constructing canonical interpolant automaton, with selfloop in false state [2018-07-23 13:42:41,273 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-07-23 13:42:41,273 INFO L185 omatonBuilderFactory]: Interpolants [40324#true, 40325#false, 40326#(<= 368 (+ ULTIMATE.start_main_~x~4 (* 92 ULTIMATE.start_main_~y~4))), 40327#(<= 732 (+ ULTIMATE.start_main_~x~4 (* 91 ULTIMATE.start_main_~y~4))), 40328#(<= 1092 (+ ULTIMATE.start_main_~x~4 (* 90 ULTIMATE.start_main_~y~4))), 40329#(<= 1448 (+ ULTIMATE.start_main_~x~4 (* 89 ULTIMATE.start_main_~y~4))), 40330#(<= 1800 (+ ULTIMATE.start_main_~x~4 (* 88 ULTIMATE.start_main_~y~4))), 40331#(<= 2148 (+ ULTIMATE.start_main_~x~4 (* 87 ULTIMATE.start_main_~y~4))), 40332#(<= 2492 (+ ULTIMATE.start_main_~x~4 (* 86 ULTIMATE.start_main_~y~4))), 40333#(<= 2832 (+ ULTIMATE.start_main_~x~4 (* 85 ULTIMATE.start_main_~y~4))), 40334#(<= 3168 (+ ULTIMATE.start_main_~x~4 (* 84 ULTIMATE.start_main_~y~4))), 40335#(<= 3500 (+ ULTIMATE.start_main_~x~4 (* 83 ULTIMATE.start_main_~y~4))), 40336#(<= 3828 (+ ULTIMATE.start_main_~x~4 (* 82 ULTIMATE.start_main_~y~4))), 40337#(<= 4152 (+ ULTIMATE.start_main_~x~4 (* 81 ULTIMATE.start_main_~y~4))), 40338#(<= 4472 (+ ULTIMATE.start_main_~x~4 (* 80 ULTIMATE.start_main_~y~4))), 40339#(<= 4788 (+ ULTIMATE.start_main_~x~4 (* 79 ULTIMATE.start_main_~y~4))), 40340#(<= 5100 (+ ULTIMATE.start_main_~x~4 (* 78 ULTIMATE.start_main_~y~4))), 40341#(<= 5408 (+ ULTIMATE.start_main_~x~4 (* 77 ULTIMATE.start_main_~y~4))), 40342#(<= 5712 (+ ULTIMATE.start_main_~x~4 (* 76 ULTIMATE.start_main_~y~4))), 40343#(<= 6012 (+ ULTIMATE.start_main_~x~4 (* 75 ULTIMATE.start_main_~y~4))), 40344#(<= 6308 (+ ULTIMATE.start_main_~x~4 (* 74 ULTIMATE.start_main_~y~4))), 40345#(<= 6600 (+ ULTIMATE.start_main_~x~4 (* 73 ULTIMATE.start_main_~y~4))), 40346#(<= 6888 (+ ULTIMATE.start_main_~x~4 (* 72 ULTIMATE.start_main_~y~4))), 40347#(<= 7172 (+ ULTIMATE.start_main_~x~4 (* 71 ULTIMATE.start_main_~y~4))), 40348#(<= 7452 (+ ULTIMATE.start_main_~x~4 (* 70 ULTIMATE.start_main_~y~4))), 40349#(<= 7728 (+ ULTIMATE.start_main_~x~4 (* 69 ULTIMATE.start_main_~y~4))), 40350#(<= 8000 (+ ULTIMATE.start_main_~x~4 (* 68 ULTIMATE.start_main_~y~4))), 40351#(<= 8268 (+ ULTIMATE.start_main_~x~4 (* 67 ULTIMATE.start_main_~y~4))), 40352#(<= 8532 (+ ULTIMATE.start_main_~x~4 (* 66 ULTIMATE.start_main_~y~4))), 40353#(<= 8792 (+ ULTIMATE.start_main_~x~4 (* 65 ULTIMATE.start_main_~y~4))), 40354#(<= 9048 (+ ULTIMATE.start_main_~x~4 (* 64 ULTIMATE.start_main_~y~4))), 40355#(<= 9300 (+ ULTIMATE.start_main_~x~4 (* 63 ULTIMATE.start_main_~y~4))), 40356#(<= 9548 (+ ULTIMATE.start_main_~x~4 (* 62 ULTIMATE.start_main_~y~4))), 40357#(<= 9792 (+ ULTIMATE.start_main_~x~4 (* 61 ULTIMATE.start_main_~y~4))), 40358#(<= 10032 (+ ULTIMATE.start_main_~x~4 (* 60 ULTIMATE.start_main_~y~4))), 40359#(<= 10268 (+ ULTIMATE.start_main_~x~4 (* 59 ULTIMATE.start_main_~y~4))), 40360#(<= 10500 (+ ULTIMATE.start_main_~x~4 (* 58 ULTIMATE.start_main_~y~4))), 40361#(<= 10728 (+ ULTIMATE.start_main_~x~4 (* 57 ULTIMATE.start_main_~y~4))), 40362#(<= 10952 (+ ULTIMATE.start_main_~x~4 (* 56 ULTIMATE.start_main_~y~4))), 40363#(<= 11172 (+ ULTIMATE.start_main_~x~4 (* 55 ULTIMATE.start_main_~y~4))), 40364#(<= 11388 (+ ULTIMATE.start_main_~x~4 (* 54 ULTIMATE.start_main_~y~4))), 40365#(<= 11600 (+ ULTIMATE.start_main_~x~4 (* 53 ULTIMATE.start_main_~y~4))), 40366#(<= 11808 (+ ULTIMATE.start_main_~x~4 (* 52 ULTIMATE.start_main_~y~4))), 40367#(<= 12012 (+ ULTIMATE.start_main_~x~4 (* 51 ULTIMATE.start_main_~y~4))), 40368#(<= 12212 (+ ULTIMATE.start_main_~x~4 (* 50 ULTIMATE.start_main_~y~4))), 40369#(<= 12408 (+ ULTIMATE.start_main_~x~4 (* 49 ULTIMATE.start_main_~y~4))), 40370#(<= 12600 (+ ULTIMATE.start_main_~x~4 (* 48 ULTIMATE.start_main_~y~4))), 40371#(<= 12788 (+ ULTIMATE.start_main_~x~4 (* 47 ULTIMATE.start_main_~y~4))), 40372#(<= 12972 (+ ULTIMATE.start_main_~x~4 (* 46 ULTIMATE.start_main_~y~4))), 40373#(<= 13152 (+ ULTIMATE.start_main_~x~4 (* 45 ULTIMATE.start_main_~y~4))), 40374#(<= 13328 (+ ULTIMATE.start_main_~x~4 (* 44 ULTIMATE.start_main_~y~4))), 40375#(<= 13500 (+ ULTIMATE.start_main_~x~4 (* 43 ULTIMATE.start_main_~y~4))), 40376#(<= 13668 (+ ULTIMATE.start_main_~x~4 (* 42 ULTIMATE.start_main_~y~4))), 40377#(<= 13832 (+ ULTIMATE.start_main_~x~4 (* 41 ULTIMATE.start_main_~y~4))), 40378#(<= 13992 (+ ULTIMATE.start_main_~x~4 (* 40 ULTIMATE.start_main_~y~4))), 40379#(<= 14148 (+ ULTIMATE.start_main_~x~4 (* 39 ULTIMATE.start_main_~y~4))), 40380#(<= 14300 (+ ULTIMATE.start_main_~x~4 (* 38 ULTIMATE.start_main_~y~4))), 40381#(<= 14448 (+ ULTIMATE.start_main_~x~4 (* 37 ULTIMATE.start_main_~y~4))), 40382#(<= 14592 (+ ULTIMATE.start_main_~x~4 (* 36 ULTIMATE.start_main_~y~4))), 40383#(<= 14732 (+ ULTIMATE.start_main_~x~4 (* 35 ULTIMATE.start_main_~y~4))), 40384#(<= 14868 (+ ULTIMATE.start_main_~x~4 (* 34 ULTIMATE.start_main_~y~4))), 40385#(<= 15000 (+ ULTIMATE.start_main_~x~4 (* 33 ULTIMATE.start_main_~y~4))), 40386#(<= 15128 (+ ULTIMATE.start_main_~x~4 (* 32 ULTIMATE.start_main_~y~4))), 40387#(<= 15252 (+ ULTIMATE.start_main_~x~4 (* 31 ULTIMATE.start_main_~y~4))), 40388#(<= 15372 (+ ULTIMATE.start_main_~x~4 (* 30 ULTIMATE.start_main_~y~4))), 40389#(<= 15488 (+ ULTIMATE.start_main_~x~4 (* 29 ULTIMATE.start_main_~y~4))), 40390#(<= 15600 (+ ULTIMATE.start_main_~x~4 (* 28 ULTIMATE.start_main_~y~4))), 40391#(<= 15708 (+ ULTIMATE.start_main_~x~4 (* 27 ULTIMATE.start_main_~y~4))), 40392#(<= 15812 (+ ULTIMATE.start_main_~x~4 (* 26 ULTIMATE.start_main_~y~4))), 40393#(<= 15912 (+ ULTIMATE.start_main_~x~4 (* 25 ULTIMATE.start_main_~y~4))), 40394#(<= 16008 (+ ULTIMATE.start_main_~x~4 (* 24 ULTIMATE.start_main_~y~4))), 40395#(<= 16100 (+ ULTIMATE.start_main_~x~4 (* 23 ULTIMATE.start_main_~y~4))), 40396#(<= 16188 (+ ULTIMATE.start_main_~x~4 (* 22 ULTIMATE.start_main_~y~4))), 40397#(<= 16272 (+ ULTIMATE.start_main_~x~4 (* 21 ULTIMATE.start_main_~y~4))), 40398#(<= 16352 (+ ULTIMATE.start_main_~x~4 (* 20 ULTIMATE.start_main_~y~4))), 40399#(<= 16428 (+ ULTIMATE.start_main_~x~4 (* 19 ULTIMATE.start_main_~y~4))), 40400#(<= 16500 (+ ULTIMATE.start_main_~x~4 (* 18 ULTIMATE.start_main_~y~4))), 40401#(<= 16568 (+ ULTIMATE.start_main_~x~4 (* 17 ULTIMATE.start_main_~y~4))), 40402#(<= 16632 (+ ULTIMATE.start_main_~x~4 (* 16 ULTIMATE.start_main_~y~4))), 40403#(<= 16692 (+ ULTIMATE.start_main_~x~4 (* 15 ULTIMATE.start_main_~y~4))), 40404#(<= 16748 (+ ULTIMATE.start_main_~x~4 (* 14 ULTIMATE.start_main_~y~4))), 40405#(<= 16800 (+ ULTIMATE.start_main_~x~4 (* 13 ULTIMATE.start_main_~y~4))), 40406#(<= 16848 (+ ULTIMATE.start_main_~x~4 (* 12 ULTIMATE.start_main_~y~4))), 40407#(<= 16892 (+ ULTIMATE.start_main_~x~4 (* 11 ULTIMATE.start_main_~y~4))), 40408#(<= 16932 (+ ULTIMATE.start_main_~x~4 (* 10 ULTIMATE.start_main_~y~4))), 40409#(<= 16968 (+ ULTIMATE.start_main_~x~4 (* 9 ULTIMATE.start_main_~y~4))), 40410#(<= 17000 (+ ULTIMATE.start_main_~x~4 (* 8 ULTIMATE.start_main_~y~4))), 40411#(<= 17028 (+ ULTIMATE.start_main_~x~4 (* 7 ULTIMATE.start_main_~y~4))), 40412#(<= 17052 (+ ULTIMATE.start_main_~x~4 (* 6 ULTIMATE.start_main_~y~4))), 40413#(<= 17072 (+ ULTIMATE.start_main_~x~4 (* 5 ULTIMATE.start_main_~y~4))), 40414#(<= 17088 (+ ULTIMATE.start_main_~x~4 (* 4 ULTIMATE.start_main_~y~4))), 40415#(<= 17100 (+ ULTIMATE.start_main_~x~4 (* 3 ULTIMATE.start_main_~y~4))), 40416#(<= 17108 (+ ULTIMATE.start_main_~x~4 (* 2 ULTIMATE.start_main_~y~4))), 40417#(<= 17112 (+ ULTIMATE.start_main_~x~4 ULTIMATE.start_main_~y~4)), 40418#(<= 1 ULTIMATE.start___VERIFIER_assert_~cond)] [2018-07-23 13:42:41,273 INFO L134 CoverageAnalysis]: Checked inductivity of 8372 backedges. 0 proven. 8372 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-07-23 13:42:41,273 INFO L450 AbstractCegarLoop]: Interpolant automaton has 95 states [2018-07-23 13:42:41,274 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 95 interpolants. [2018-07-23 13:42:41,274 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=187, Invalid=8743, Unknown=0, NotChecked=0, Total=8930 [2018-07-23 13:42:41,274 INFO L87 Difference]: Start difference. First operand 187 states and 187 transitions. Second operand 95 states. [2018-07-23 13:42:42,797 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-07-23 13:42:42,798 INFO L93 Difference]: Finished difference Result 192 states and 192 transitions. [2018-07-23 13:42:42,798 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 95 states. [2018-07-23 13:42:42,798 INFO L78 Accepts]: Start accepts. Automaton has 95 states. Word has length 186 [2018-07-23 13:42:42,798 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-07-23 13:42:42,799 INFO L225 Difference]: With dead ends: 192 [2018-07-23 13:42:42,799 INFO L226 Difference]: Without dead ends: 190 [2018-07-23 13:42:42,799 INFO L575 BasicCegarLoop]: 0 DeclaredPredicates, 94 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 93 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.4s TimeCoverageRelationStatistics Valid=187, Invalid=8743, Unknown=0, NotChecked=0, Total=8930 [2018-07-23 13:42:42,799 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 190 states. [2018-07-23 13:42:42,859 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 190 to 189. [2018-07-23 13:42:42,859 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 189 states. [2018-07-23 13:42:42,860 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 189 states to 189 states and 189 transitions. [2018-07-23 13:42:42,860 INFO L78 Accepts]: Start accepts. Automaton has 189 states and 189 transitions. Word has length 186 [2018-07-23 13:42:42,860 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-07-23 13:42:42,860 INFO L471 AbstractCegarLoop]: Abstraction has 189 states and 189 transitions. [2018-07-23 13:42:42,860 INFO L472 AbstractCegarLoop]: Interpolant automaton has 95 states. [2018-07-23 13:42:42,860 INFO L276 IsEmpty]: Start isEmpty. Operand 189 states and 189 transitions. [2018-07-23 13:42:42,861 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 189 [2018-07-23 13:42:42,861 INFO L349 BasicCegarLoop]: Found error trace [2018-07-23 13:42:42,861 INFO L357 BasicCegarLoop]: trace histogram [93, 92, 1, 1, 1] [2018-07-23 13:42:42,862 INFO L414 AbstractCegarLoop]: === Iteration 93 === [ULTIMATE.startErr0AssertViolationASSERT]=== [2018-07-23 13:42:42,862 INFO L82 PathProgramCache]: Analyzing trace with hash -784092621, now seen corresponding path program 92 times [2018-07-23 13:42:42,862 INFO L69 tionRefinementEngine]: Using refinement strategy FixedRefinementStrategy [2018-07-23 13:42:43,022 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-07-23 13:42:43,926 INFO L134 CoverageAnalysis]: Checked inductivity of 8556 backedges. 0 proven. 8556 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-07-23 13:42:43,927 INFO L309 seRefinementStrategy]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2018-07-23 13:42:43,927 INFO L324 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [95] total 95 [2018-07-23 13:42:43,927 INFO L142 lantAutomatonBuilder]: Constructing canonical interpolant automaton, with selfloop in false state [2018-07-23 13:42:43,927 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-07-23 13:42:43,928 INFO L185 omatonBuilderFactory]: Interpolants [41216#(<= 10404 (+ ULTIMATE.start_main_~x~4 (* 60 ULTIMATE.start_main_~y~4))), 41217#(<= 10640 (+ ULTIMATE.start_main_~x~4 (* 59 ULTIMATE.start_main_~y~4))), 41218#(<= 10872 (+ ULTIMATE.start_main_~x~4 (* 58 ULTIMATE.start_main_~y~4))), 41219#(<= 11100 (+ ULTIMATE.start_main_~x~4 (* 57 ULTIMATE.start_main_~y~4))), 41220#(<= 11324 (+ ULTIMATE.start_main_~x~4 (* 56 ULTIMATE.start_main_~y~4))), 41221#(<= 11544 (+ ULTIMATE.start_main_~x~4 (* 55 ULTIMATE.start_main_~y~4))), 41222#(<= 11760 (+ ULTIMATE.start_main_~x~4 (* 54 ULTIMATE.start_main_~y~4))), 41223#(<= 11972 (+ ULTIMATE.start_main_~x~4 (* 53 ULTIMATE.start_main_~y~4))), 41224#(<= 12180 (+ ULTIMATE.start_main_~x~4 (* 52 ULTIMATE.start_main_~y~4))), 41225#(<= 12384 (+ ULTIMATE.start_main_~x~4 (* 51 ULTIMATE.start_main_~y~4))), 41226#(<= 12584 (+ ULTIMATE.start_main_~x~4 (* 50 ULTIMATE.start_main_~y~4))), 41227#(<= 12780 (+ ULTIMATE.start_main_~x~4 (* 49 ULTIMATE.start_main_~y~4))), 41228#(<= 12972 (+ ULTIMATE.start_main_~x~4 (* 48 ULTIMATE.start_main_~y~4))), 41229#(<= 13160 (+ ULTIMATE.start_main_~x~4 (* 47 ULTIMATE.start_main_~y~4))), 41230#(<= 13344 (+ ULTIMATE.start_main_~x~4 (* 46 ULTIMATE.start_main_~y~4))), 41231#(<= 13524 (+ ULTIMATE.start_main_~x~4 (* 45 ULTIMATE.start_main_~y~4))), 41232#(<= 13700 (+ ULTIMATE.start_main_~x~4 (* 44 ULTIMATE.start_main_~y~4))), 41233#(<= 13872 (+ ULTIMATE.start_main_~x~4 (* 43 ULTIMATE.start_main_~y~4))), 41234#(<= 14040 (+ ULTIMATE.start_main_~x~4 (* 42 ULTIMATE.start_main_~y~4))), 41235#(<= 14204 (+ ULTIMATE.start_main_~x~4 (* 41 ULTIMATE.start_main_~y~4))), 41236#(<= 14364 (+ ULTIMATE.start_main_~x~4 (* 40 ULTIMATE.start_main_~y~4))), 41237#(<= 14520 (+ ULTIMATE.start_main_~x~4 (* 39 ULTIMATE.start_main_~y~4))), 41238#(<= 14672 (+ ULTIMATE.start_main_~x~4 (* 38 ULTIMATE.start_main_~y~4))), 41239#(<= 14820 (+ ULTIMATE.start_main_~x~4 (* 37 ULTIMATE.start_main_~y~4))), 41240#(<= 14964 (+ ULTIMATE.start_main_~x~4 (* 36 ULTIMATE.start_main_~y~4))), 41241#(<= 15104 (+ ULTIMATE.start_main_~x~4 (* 35 ULTIMATE.start_main_~y~4))), 41242#(<= 15240 (+ ULTIMATE.start_main_~x~4 (* 34 ULTIMATE.start_main_~y~4))), 41243#(<= 15372 (+ ULTIMATE.start_main_~x~4 (* 33 ULTIMATE.start_main_~y~4))), 41244#(<= 15500 (+ ULTIMATE.start_main_~x~4 (* 32 ULTIMATE.start_main_~y~4))), 41245#(<= 15624 (+ ULTIMATE.start_main_~x~4 (* 31 ULTIMATE.start_main_~y~4))), 41246#(<= 15744 (+ ULTIMATE.start_main_~x~4 (* 30 ULTIMATE.start_main_~y~4))), 41247#(<= 15860 (+ ULTIMATE.start_main_~x~4 (* 29 ULTIMATE.start_main_~y~4))), 41248#(<= 15972 (+ ULTIMATE.start_main_~x~4 (* 28 ULTIMATE.start_main_~y~4))), 41249#(<= 16080 (+ ULTIMATE.start_main_~x~4 (* 27 ULTIMATE.start_main_~y~4))), 41250#(<= 16184 (+ ULTIMATE.start_main_~x~4 (* 26 ULTIMATE.start_main_~y~4))), 41251#(<= 16284 (+ ULTIMATE.start_main_~x~4 (* 25 ULTIMATE.start_main_~y~4))), 41252#(<= 16380 (+ ULTIMATE.start_main_~x~4 (* 24 ULTIMATE.start_main_~y~4))), 41253#(<= 16472 (+ ULTIMATE.start_main_~x~4 (* 23 ULTIMATE.start_main_~y~4))), 41254#(<= 16560 (+ ULTIMATE.start_main_~x~4 (* 22 ULTIMATE.start_main_~y~4))), 41255#(<= 16644 (+ ULTIMATE.start_main_~x~4 (* 21 ULTIMATE.start_main_~y~4))), 41256#(<= 16724 (+ ULTIMATE.start_main_~x~4 (* 20 ULTIMATE.start_main_~y~4))), 41257#(<= 16800 (+ ULTIMATE.start_main_~x~4 (* 19 ULTIMATE.start_main_~y~4))), 41258#(<= 16872 (+ ULTIMATE.start_main_~x~4 (* 18 ULTIMATE.start_main_~y~4))), 41259#(<= 16940 (+ ULTIMATE.start_main_~x~4 (* 17 ULTIMATE.start_main_~y~4))), 41260#(<= 17004 (+ ULTIMATE.start_main_~x~4 (* 16 ULTIMATE.start_main_~y~4))), 41261#(<= 17064 (+ ULTIMATE.start_main_~x~4 (* 15 ULTIMATE.start_main_~y~4))), 41262#(<= 17120 (+ ULTIMATE.start_main_~x~4 (* 14 ULTIMATE.start_main_~y~4))), 41263#(<= 17172 (+ ULTIMATE.start_main_~x~4 (* 13 ULTIMATE.start_main_~y~4))), 41264#(<= 17220 (+ ULTIMATE.start_main_~x~4 (* 12 ULTIMATE.start_main_~y~4))), 41265#(<= 17264 (+ ULTIMATE.start_main_~x~4 (* 11 ULTIMATE.start_main_~y~4))), 41266#(<= 17304 (+ ULTIMATE.start_main_~x~4 (* 10 ULTIMATE.start_main_~y~4))), 41267#(<= 17340 (+ ULTIMATE.start_main_~x~4 (* 9 ULTIMATE.start_main_~y~4))), 41268#(<= 17372 (+ ULTIMATE.start_main_~x~4 (* 8 ULTIMATE.start_main_~y~4))), 41269#(<= 17400 (+ ULTIMATE.start_main_~x~4 (* 7 ULTIMATE.start_main_~y~4))), 41270#(<= 17424 (+ ULTIMATE.start_main_~x~4 (* 6 ULTIMATE.start_main_~y~4))), 41271#(<= 17444 (+ ULTIMATE.start_main_~x~4 (* 5 ULTIMATE.start_main_~y~4))), 41272#(<= 17460 (+ ULTIMATE.start_main_~x~4 (* 4 ULTIMATE.start_main_~y~4))), 41273#(<= 17472 (+ ULTIMATE.start_main_~x~4 (* 3 ULTIMATE.start_main_~y~4))), 41274#(<= 17480 (+ ULTIMATE.start_main_~x~4 (* 2 ULTIMATE.start_main_~y~4))), 41275#(<= 17484 (+ ULTIMATE.start_main_~x~4 ULTIMATE.start_main_~y~4)), 41276#(<= 1 ULTIMATE.start___VERIFIER_assert_~cond), 41181#true, 41182#false, 41183#(<= 372 (+ ULTIMATE.start_main_~x~4 (* 93 ULTIMATE.start_main_~y~4))), 41184#(<= 740 (+ ULTIMATE.start_main_~x~4 (* 92 ULTIMATE.start_main_~y~4))), 41185#(<= 1104 (+ ULTIMATE.start_main_~x~4 (* 91 ULTIMATE.start_main_~y~4))), 41186#(<= 1464 (+ ULTIMATE.start_main_~x~4 (* 90 ULTIMATE.start_main_~y~4))), 41187#(<= 1820 (+ ULTIMATE.start_main_~x~4 (* 89 ULTIMATE.start_main_~y~4))), 41188#(<= 2172 (+ ULTIMATE.start_main_~x~4 (* 88 ULTIMATE.start_main_~y~4))), 41189#(<= 2520 (+ ULTIMATE.start_main_~x~4 (* 87 ULTIMATE.start_main_~y~4))), 41190#(<= 2864 (+ ULTIMATE.start_main_~x~4 (* 86 ULTIMATE.start_main_~y~4))), 41191#(<= 3204 (+ ULTIMATE.start_main_~x~4 (* 85 ULTIMATE.start_main_~y~4))), 41192#(<= 3540 (+ ULTIMATE.start_main_~x~4 (* 84 ULTIMATE.start_main_~y~4))), 41193#(<= 3872 (+ ULTIMATE.start_main_~x~4 (* 83 ULTIMATE.start_main_~y~4))), 41194#(<= 4200 (+ ULTIMATE.start_main_~x~4 (* 82 ULTIMATE.start_main_~y~4))), 41195#(<= 4524 (+ ULTIMATE.start_main_~x~4 (* 81 ULTIMATE.start_main_~y~4))), 41196#(<= 4844 (+ ULTIMATE.start_main_~x~4 (* 80 ULTIMATE.start_main_~y~4))), 41197#(<= 5160 (+ ULTIMATE.start_main_~x~4 (* 79 ULTIMATE.start_main_~y~4))), 41198#(<= 5472 (+ ULTIMATE.start_main_~x~4 (* 78 ULTIMATE.start_main_~y~4))), 41199#(<= 5780 (+ ULTIMATE.start_main_~x~4 (* 77 ULTIMATE.start_main_~y~4))), 41200#(<= 6084 (+ ULTIMATE.start_main_~x~4 (* 76 ULTIMATE.start_main_~y~4))), 41201#(<= 6384 (+ ULTIMATE.start_main_~x~4 (* 75 ULTIMATE.start_main_~y~4))), 41202#(<= 6680 (+ ULTIMATE.start_main_~x~4 (* 74 ULTIMATE.start_main_~y~4))), 41203#(<= 6972 (+ ULTIMATE.start_main_~x~4 (* 73 ULTIMATE.start_main_~y~4))), 41204#(<= 7260 (+ ULTIMATE.start_main_~x~4 (* 72 ULTIMATE.start_main_~y~4))), 41205#(<= 7544 (+ ULTIMATE.start_main_~x~4 (* 71 ULTIMATE.start_main_~y~4))), 41206#(<= 7824 (+ ULTIMATE.start_main_~x~4 (* 70 ULTIMATE.start_main_~y~4))), 41207#(<= 8100 (+ ULTIMATE.start_main_~x~4 (* 69 ULTIMATE.start_main_~y~4))), 41208#(<= 8372 (+ ULTIMATE.start_main_~x~4 (* 68 ULTIMATE.start_main_~y~4))), 41209#(<= 8640 (+ ULTIMATE.start_main_~x~4 (* 67 ULTIMATE.start_main_~y~4))), 41210#(<= 8904 (+ ULTIMATE.start_main_~x~4 (* 66 ULTIMATE.start_main_~y~4))), 41211#(<= 9164 (+ ULTIMATE.start_main_~x~4 (* 65 ULTIMATE.start_main_~y~4))), 41212#(<= 9420 (+ ULTIMATE.start_main_~x~4 (* 64 ULTIMATE.start_main_~y~4))), 41213#(<= 9672 (+ ULTIMATE.start_main_~x~4 (* 63 ULTIMATE.start_main_~y~4))), 41214#(<= 9920 (+ ULTIMATE.start_main_~x~4 (* 62 ULTIMATE.start_main_~y~4))), 41215#(<= 10164 (+ ULTIMATE.start_main_~x~4 (* 61 ULTIMATE.start_main_~y~4)))] [2018-07-23 13:42:43,928 INFO L134 CoverageAnalysis]: Checked inductivity of 8556 backedges. 0 proven. 8556 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-07-23 13:42:43,928 INFO L450 AbstractCegarLoop]: Interpolant automaton has 96 states [2018-07-23 13:42:43,928 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 96 interpolants. [2018-07-23 13:42:43,929 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=189, Invalid=8931, Unknown=0, NotChecked=0, Total=9120 [2018-07-23 13:42:43,929 INFO L87 Difference]: Start difference. First operand 189 states and 189 transitions. Second operand 96 states. [2018-07-23 13:42:45,607 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-07-23 13:42:45,607 INFO L93 Difference]: Finished difference Result 194 states and 194 transitions. [2018-07-23 13:42:45,607 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 96 states. [2018-07-23 13:42:45,607 INFO L78 Accepts]: Start accepts. Automaton has 96 states. Word has length 188 [2018-07-23 13:42:45,607 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-07-23 13:42:45,608 INFO L225 Difference]: With dead ends: 194 [2018-07-23 13:42:45,608 INFO L226 Difference]: Without dead ends: 192 [2018-07-23 13:42:45,609 INFO L575 BasicCegarLoop]: 0 DeclaredPredicates, 95 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 94 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.4s TimeCoverageRelationStatistics Valid=189, Invalid=8931, Unknown=0, NotChecked=0, Total=9120 [2018-07-23 13:42:45,609 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 192 states. [2018-07-23 13:42:45,690 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 192 to 191. [2018-07-23 13:42:45,690 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 191 states. [2018-07-23 13:42:45,691 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 191 states to 191 states and 191 transitions. [2018-07-23 13:42:45,691 INFO L78 Accepts]: Start accepts. Automaton has 191 states and 191 transitions. Word has length 188 [2018-07-23 13:42:45,691 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-07-23 13:42:45,691 INFO L471 AbstractCegarLoop]: Abstraction has 191 states and 191 transitions. [2018-07-23 13:42:45,691 INFO L472 AbstractCegarLoop]: Interpolant automaton has 96 states. [2018-07-23 13:42:45,692 INFO L276 IsEmpty]: Start isEmpty. Operand 191 states and 191 transitions. [2018-07-23 13:42:45,692 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 191 [2018-07-23 13:42:45,693 INFO L349 BasicCegarLoop]: Found error trace [2018-07-23 13:42:45,693 INFO L357 BasicCegarLoop]: trace histogram [94, 93, 1, 1, 1] [2018-07-23 13:42:45,693 INFO L414 AbstractCegarLoop]: === Iteration 94 === [ULTIMATE.startErr0AssertViolationASSERT]=== [2018-07-23 13:42:45,693 INFO L82 PathProgramCache]: Analyzing trace with hash -1893785283, now seen corresponding path program 93 times [2018-07-23 13:42:45,693 INFO L69 tionRefinementEngine]: Using refinement strategy FixedRefinementStrategy [2018-07-23 13:42:45,897 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-07-23 13:42:46,802 INFO L134 CoverageAnalysis]: Checked inductivity of 8742 backedges. 0 proven. 8742 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-07-23 13:42:46,802 INFO L309 seRefinementStrategy]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2018-07-23 13:42:46,803 INFO L324 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [96] total 96 [2018-07-23 13:42:46,803 INFO L142 lantAutomatonBuilder]: Constructing canonical interpolant automaton, with selfloop in false state [2018-07-23 13:42:46,803 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-07-23 13:42:46,803 INFO L185 omatonBuilderFactory]: Interpolants [42047#true, 42048#false, 42049#(<= 376 (+ ULTIMATE.start_main_~x~4 (* 94 ULTIMATE.start_main_~y~4))), 42050#(<= 748 (+ ULTIMATE.start_main_~x~4 (* 93 ULTIMATE.start_main_~y~4))), 42051#(<= 1116 (+ ULTIMATE.start_main_~x~4 (* 92 ULTIMATE.start_main_~y~4))), 42052#(<= 1480 (+ ULTIMATE.start_main_~x~4 (* 91 ULTIMATE.start_main_~y~4))), 42053#(<= 1840 (+ ULTIMATE.start_main_~x~4 (* 90 ULTIMATE.start_main_~y~4))), 42054#(<= 2196 (+ ULTIMATE.start_main_~x~4 (* 89 ULTIMATE.start_main_~y~4))), 42055#(<= 2548 (+ ULTIMATE.start_main_~x~4 (* 88 ULTIMATE.start_main_~y~4))), 42056#(<= 2896 (+ ULTIMATE.start_main_~x~4 (* 87 ULTIMATE.start_main_~y~4))), 42057#(<= 3240 (+ ULTIMATE.start_main_~x~4 (* 86 ULTIMATE.start_main_~y~4))), 42058#(<= 3580 (+ ULTIMATE.start_main_~x~4 (* 85 ULTIMATE.start_main_~y~4))), 42059#(<= 3916 (+ ULTIMATE.start_main_~x~4 (* 84 ULTIMATE.start_main_~y~4))), 42060#(<= 4248 (+ ULTIMATE.start_main_~x~4 (* 83 ULTIMATE.start_main_~y~4))), 42061#(<= 4576 (+ ULTIMATE.start_main_~x~4 (* 82 ULTIMATE.start_main_~y~4))), 42062#(<= 4900 (+ ULTIMATE.start_main_~x~4 (* 81 ULTIMATE.start_main_~y~4))), 42063#(<= 5220 (+ ULTIMATE.start_main_~x~4 (* 80 ULTIMATE.start_main_~y~4))), 42064#(<= 5536 (+ ULTIMATE.start_main_~x~4 (* 79 ULTIMATE.start_main_~y~4))), 42065#(<= 5848 (+ ULTIMATE.start_main_~x~4 (* 78 ULTIMATE.start_main_~y~4))), 42066#(<= 6156 (+ ULTIMATE.start_main_~x~4 (* 77 ULTIMATE.start_main_~y~4))), 42067#(<= 6460 (+ ULTIMATE.start_main_~x~4 (* 76 ULTIMATE.start_main_~y~4))), 42068#(<= 6760 (+ ULTIMATE.start_main_~x~4 (* 75 ULTIMATE.start_main_~y~4))), 42069#(<= 7056 (+ ULTIMATE.start_main_~x~4 (* 74 ULTIMATE.start_main_~y~4))), 42070#(<= 7348 (+ ULTIMATE.start_main_~x~4 (* 73 ULTIMATE.start_main_~y~4))), 42071#(<= 7636 (+ ULTIMATE.start_main_~x~4 (* 72 ULTIMATE.start_main_~y~4))), 42072#(<= 7920 (+ ULTIMATE.start_main_~x~4 (* 71 ULTIMATE.start_main_~y~4))), 42073#(<= 8200 (+ ULTIMATE.start_main_~x~4 (* 70 ULTIMATE.start_main_~y~4))), 42074#(<= 8476 (+ ULTIMATE.start_main_~x~4 (* 69 ULTIMATE.start_main_~y~4))), 42075#(<= 8748 (+ ULTIMATE.start_main_~x~4 (* 68 ULTIMATE.start_main_~y~4))), 42076#(<= 9016 (+ ULTIMATE.start_main_~x~4 (* 67 ULTIMATE.start_main_~y~4))), 42077#(<= 9280 (+ ULTIMATE.start_main_~x~4 (* 66 ULTIMATE.start_main_~y~4))), 42078#(<= 9540 (+ ULTIMATE.start_main_~x~4 (* 65 ULTIMATE.start_main_~y~4))), 42079#(<= 9796 (+ ULTIMATE.start_main_~x~4 (* 64 ULTIMATE.start_main_~y~4))), 42080#(<= 10048 (+ ULTIMATE.start_main_~x~4 (* 63 ULTIMATE.start_main_~y~4))), 42081#(<= 10296 (+ ULTIMATE.start_main_~x~4 (* 62 ULTIMATE.start_main_~y~4))), 42082#(<= 10540 (+ ULTIMATE.start_main_~x~4 (* 61 ULTIMATE.start_main_~y~4))), 42083#(<= 10780 (+ ULTIMATE.start_main_~x~4 (* 60 ULTIMATE.start_main_~y~4))), 42084#(<= 11016 (+ ULTIMATE.start_main_~x~4 (* 59 ULTIMATE.start_main_~y~4))), 42085#(<= 11248 (+ ULTIMATE.start_main_~x~4 (* 58 ULTIMATE.start_main_~y~4))), 42086#(<= 11476 (+ ULTIMATE.start_main_~x~4 (* 57 ULTIMATE.start_main_~y~4))), 42087#(<= 11700 (+ ULTIMATE.start_main_~x~4 (* 56 ULTIMATE.start_main_~y~4))), 42088#(<= 11920 (+ ULTIMATE.start_main_~x~4 (* 55 ULTIMATE.start_main_~y~4))), 42089#(<= 12136 (+ ULTIMATE.start_main_~x~4 (* 54 ULTIMATE.start_main_~y~4))), 42090#(<= 12348 (+ ULTIMATE.start_main_~x~4 (* 53 ULTIMATE.start_main_~y~4))), 42091#(<= 12556 (+ ULTIMATE.start_main_~x~4 (* 52 ULTIMATE.start_main_~y~4))), 42092#(<= 12760 (+ ULTIMATE.start_main_~x~4 (* 51 ULTIMATE.start_main_~y~4))), 42093#(<= 12960 (+ ULTIMATE.start_main_~x~4 (* 50 ULTIMATE.start_main_~y~4))), 42094#(<= 13156 (+ ULTIMATE.start_main_~x~4 (* 49 ULTIMATE.start_main_~y~4))), 42095#(<= 13348 (+ ULTIMATE.start_main_~x~4 (* 48 ULTIMATE.start_main_~y~4))), 42096#(<= 13536 (+ ULTIMATE.start_main_~x~4 (* 47 ULTIMATE.start_main_~y~4))), 42097#(<= 13720 (+ ULTIMATE.start_main_~x~4 (* 46 ULTIMATE.start_main_~y~4))), 42098#(<= 13900 (+ ULTIMATE.start_main_~x~4 (* 45 ULTIMATE.start_main_~y~4))), 42099#(<= 14076 (+ ULTIMATE.start_main_~x~4 (* 44 ULTIMATE.start_main_~y~4))), 42100#(<= 14248 (+ ULTIMATE.start_main_~x~4 (* 43 ULTIMATE.start_main_~y~4))), 42101#(<= 14416 (+ ULTIMATE.start_main_~x~4 (* 42 ULTIMATE.start_main_~y~4))), 42102#(<= 14580 (+ ULTIMATE.start_main_~x~4 (* 41 ULTIMATE.start_main_~y~4))), 42103#(<= 14740 (+ ULTIMATE.start_main_~x~4 (* 40 ULTIMATE.start_main_~y~4))), 42104#(<= 14896 (+ ULTIMATE.start_main_~x~4 (* 39 ULTIMATE.start_main_~y~4))), 42105#(<= 15048 (+ ULTIMATE.start_main_~x~4 (* 38 ULTIMATE.start_main_~y~4))), 42106#(<= 15196 (+ ULTIMATE.start_main_~x~4 (* 37 ULTIMATE.start_main_~y~4))), 42107#(<= 15340 (+ ULTIMATE.start_main_~x~4 (* 36 ULTIMATE.start_main_~y~4))), 42108#(<= 15480 (+ ULTIMATE.start_main_~x~4 (* 35 ULTIMATE.start_main_~y~4))), 42109#(<= 15616 (+ ULTIMATE.start_main_~x~4 (* 34 ULTIMATE.start_main_~y~4))), 42110#(<= 15748 (+ ULTIMATE.start_main_~x~4 (* 33 ULTIMATE.start_main_~y~4))), 42111#(<= 15876 (+ ULTIMATE.start_main_~x~4 (* 32 ULTIMATE.start_main_~y~4))), 42112#(<= 16000 (+ ULTIMATE.start_main_~x~4 (* 31 ULTIMATE.start_main_~y~4))), 42113#(<= 16120 (+ ULTIMATE.start_main_~x~4 (* 30 ULTIMATE.start_main_~y~4))), 42114#(<= 16236 (+ ULTIMATE.start_main_~x~4 (* 29 ULTIMATE.start_main_~y~4))), 42115#(<= 16348 (+ ULTIMATE.start_main_~x~4 (* 28 ULTIMATE.start_main_~y~4))), 42116#(<= 16456 (+ ULTIMATE.start_main_~x~4 (* 27 ULTIMATE.start_main_~y~4))), 42117#(<= 16560 (+ ULTIMATE.start_main_~x~4 (* 26 ULTIMATE.start_main_~y~4))), 42118#(<= 16660 (+ ULTIMATE.start_main_~x~4 (* 25 ULTIMATE.start_main_~y~4))), 42119#(<= 16756 (+ ULTIMATE.start_main_~x~4 (* 24 ULTIMATE.start_main_~y~4))), 42120#(<= 16848 (+ ULTIMATE.start_main_~x~4 (* 23 ULTIMATE.start_main_~y~4))), 42121#(<= 16936 (+ ULTIMATE.start_main_~x~4 (* 22 ULTIMATE.start_main_~y~4))), 42122#(<= 17020 (+ ULTIMATE.start_main_~x~4 (* 21 ULTIMATE.start_main_~y~4))), 42123#(<= 17100 (+ ULTIMATE.start_main_~x~4 (* 20 ULTIMATE.start_main_~y~4))), 42124#(<= 17176 (+ ULTIMATE.start_main_~x~4 (* 19 ULTIMATE.start_main_~y~4))), 42125#(<= 17248 (+ ULTIMATE.start_main_~x~4 (* 18 ULTIMATE.start_main_~y~4))), 42126#(<= 17316 (+ ULTIMATE.start_main_~x~4 (* 17 ULTIMATE.start_main_~y~4))), 42127#(<= 17380 (+ ULTIMATE.start_main_~x~4 (* 16 ULTIMATE.start_main_~y~4))), 42128#(<= 17440 (+ ULTIMATE.start_main_~x~4 (* 15 ULTIMATE.start_main_~y~4))), 42129#(<= 17496 (+ ULTIMATE.start_main_~x~4 (* 14 ULTIMATE.start_main_~y~4))), 42130#(<= 17548 (+ ULTIMATE.start_main_~x~4 (* 13 ULTIMATE.start_main_~y~4))), 42131#(<= 17596 (+ ULTIMATE.start_main_~x~4 (* 12 ULTIMATE.start_main_~y~4))), 42132#(<= 17640 (+ ULTIMATE.start_main_~x~4 (* 11 ULTIMATE.start_main_~y~4))), 42133#(<= 17680 (+ ULTIMATE.start_main_~x~4 (* 10 ULTIMATE.start_main_~y~4))), 42134#(<= 17716 (+ ULTIMATE.start_main_~x~4 (* 9 ULTIMATE.start_main_~y~4))), 42135#(<= 17748 (+ ULTIMATE.start_main_~x~4 (* 8 ULTIMATE.start_main_~y~4))), 42136#(<= 17776 (+ ULTIMATE.start_main_~x~4 (* 7 ULTIMATE.start_main_~y~4))), 42137#(<= 17800 (+ ULTIMATE.start_main_~x~4 (* 6 ULTIMATE.start_main_~y~4))), 42138#(<= 17820 (+ ULTIMATE.start_main_~x~4 (* 5 ULTIMATE.start_main_~y~4))), 42139#(<= 17836 (+ ULTIMATE.start_main_~x~4 (* 4 ULTIMATE.start_main_~y~4))), 42140#(<= 17848 (+ ULTIMATE.start_main_~x~4 (* 3 ULTIMATE.start_main_~y~4))), 42141#(<= 17856 (+ ULTIMATE.start_main_~x~4 (* 2 ULTIMATE.start_main_~y~4))), 42142#(<= 17860 (+ ULTIMATE.start_main_~x~4 ULTIMATE.start_main_~y~4)), 42143#(<= 1 ULTIMATE.start___VERIFIER_assert_~cond)] [2018-07-23 13:42:46,804 INFO L134 CoverageAnalysis]: Checked inductivity of 8742 backedges. 0 proven. 8742 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-07-23 13:42:46,804 INFO L450 AbstractCegarLoop]: Interpolant automaton has 97 states [2018-07-23 13:42:46,804 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 97 interpolants. [2018-07-23 13:42:46,805 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=191, Invalid=9121, Unknown=0, NotChecked=0, Total=9312 [2018-07-23 13:42:46,805 INFO L87 Difference]: Start difference. First operand 191 states and 191 transitions. Second operand 97 states. [2018-07-23 13:42:48,436 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-07-23 13:42:48,436 INFO L93 Difference]: Finished difference Result 196 states and 196 transitions. [2018-07-23 13:42:48,436 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 97 states. [2018-07-23 13:42:48,436 INFO L78 Accepts]: Start accepts. Automaton has 97 states. Word has length 190 [2018-07-23 13:42:48,436 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-07-23 13:42:48,437 INFO L225 Difference]: With dead ends: 196 [2018-07-23 13:42:48,437 INFO L226 Difference]: Without dead ends: 194 [2018-07-23 13:42:48,438 INFO L575 BasicCegarLoop]: 0 DeclaredPredicates, 96 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 95 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.4s TimeCoverageRelationStatistics Valid=191, Invalid=9121, Unknown=0, NotChecked=0, Total=9312 [2018-07-23 13:42:48,438 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 194 states. [2018-07-23 13:42:48,508 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 194 to 193. [2018-07-23 13:42:48,508 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 193 states. [2018-07-23 13:42:48,509 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 193 states to 193 states and 193 transitions. [2018-07-23 13:42:48,509 INFO L78 Accepts]: Start accepts. Automaton has 193 states and 193 transitions. Word has length 190 [2018-07-23 13:42:48,509 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-07-23 13:42:48,509 INFO L471 AbstractCegarLoop]: Abstraction has 193 states and 193 transitions. [2018-07-23 13:42:48,509 INFO L472 AbstractCegarLoop]: Interpolant automaton has 97 states. [2018-07-23 13:42:48,509 INFO L276 IsEmpty]: Start isEmpty. Operand 193 states and 193 transitions. [2018-07-23 13:42:48,510 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 193 [2018-07-23 13:42:48,510 INFO L349 BasicCegarLoop]: Found error trace [2018-07-23 13:42:48,511 INFO L357 BasicCegarLoop]: trace histogram [95, 94, 1, 1, 1] [2018-07-23 13:42:48,511 INFO L414 AbstractCegarLoop]: === Iteration 95 === [ULTIMATE.startErr0AssertViolationASSERT]=== [2018-07-23 13:42:48,511 INFO L82 PathProgramCache]: Analyzing trace with hash 1138423239, now seen corresponding path program 94 times [2018-07-23 13:42:48,511 INFO L69 tionRefinementEngine]: Using refinement strategy FixedRefinementStrategy [2018-07-23 13:42:48,682 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-07-23 13:42:49,655 INFO L134 CoverageAnalysis]: Checked inductivity of 8930 backedges. 0 proven. 8930 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-07-23 13:42:49,655 INFO L309 seRefinementStrategy]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2018-07-23 13:42:49,655 INFO L324 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [97] total 97 [2018-07-23 13:42:49,656 INFO L142 lantAutomatonBuilder]: Constructing canonical interpolant automaton, with selfloop in false state [2018-07-23 13:42:49,656 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-07-23 13:42:49,656 INFO L185 omatonBuilderFactory]: Interpolants [43008#(<= 18020 (+ ULTIMATE.start_main_~x~4 (* 11 ULTIMATE.start_main_~y~4))), 43009#(<= 18060 (+ ULTIMATE.start_main_~x~4 (* 10 ULTIMATE.start_main_~y~4))), 43010#(<= 18096 (+ ULTIMATE.start_main_~x~4 (* 9 ULTIMATE.start_main_~y~4))), 43011#(<= 18128 (+ ULTIMATE.start_main_~x~4 (* 8 ULTIMATE.start_main_~y~4))), 43012#(<= 18156 (+ ULTIMATE.start_main_~x~4 (* 7 ULTIMATE.start_main_~y~4))), 43013#(<= 18180 (+ ULTIMATE.start_main_~x~4 (* 6 ULTIMATE.start_main_~y~4))), 43014#(<= 18200 (+ ULTIMATE.start_main_~x~4 (* 5 ULTIMATE.start_main_~y~4))), 43015#(<= 18216 (+ ULTIMATE.start_main_~x~4 (* 4 ULTIMATE.start_main_~y~4))), 43016#(<= 18228 (+ ULTIMATE.start_main_~x~4 (* 3 ULTIMATE.start_main_~y~4))), 43017#(<= 18236 (+ ULTIMATE.start_main_~x~4 (* 2 ULTIMATE.start_main_~y~4))), 43018#(<= 18240 (+ ULTIMATE.start_main_~x~4 ULTIMATE.start_main_~y~4)), 43019#(<= 1 ULTIMATE.start___VERIFIER_assert_~cond), 42922#true, 42923#false, 42924#(<= 380 (+ ULTIMATE.start_main_~x~4 (* 95 ULTIMATE.start_main_~y~4))), 42925#(<= 756 (+ ULTIMATE.start_main_~x~4 (* 94 ULTIMATE.start_main_~y~4))), 42926#(<= 1128 (+ ULTIMATE.start_main_~x~4 (* 93 ULTIMATE.start_main_~y~4))), 42927#(<= 1496 (+ ULTIMATE.start_main_~x~4 (* 92 ULTIMATE.start_main_~y~4))), 42928#(<= 1860 (+ ULTIMATE.start_main_~x~4 (* 91 ULTIMATE.start_main_~y~4))), 42929#(<= 2220 (+ ULTIMATE.start_main_~x~4 (* 90 ULTIMATE.start_main_~y~4))), 42930#(<= 2576 (+ ULTIMATE.start_main_~x~4 (* 89 ULTIMATE.start_main_~y~4))), 42931#(<= 2928 (+ ULTIMATE.start_main_~x~4 (* 88 ULTIMATE.start_main_~y~4))), 42932#(<= 3276 (+ ULTIMATE.start_main_~x~4 (* 87 ULTIMATE.start_main_~y~4))), 42933#(<= 3620 (+ ULTIMATE.start_main_~x~4 (* 86 ULTIMATE.start_main_~y~4))), 42934#(<= 3960 (+ ULTIMATE.start_main_~x~4 (* 85 ULTIMATE.start_main_~y~4))), 42935#(<= 4296 (+ ULTIMATE.start_main_~x~4 (* 84 ULTIMATE.start_main_~y~4))), 42936#(<= 4628 (+ ULTIMATE.start_main_~x~4 (* 83 ULTIMATE.start_main_~y~4))), 42937#(<= 4956 (+ ULTIMATE.start_main_~x~4 (* 82 ULTIMATE.start_main_~y~4))), 42938#(<= 5280 (+ ULTIMATE.start_main_~x~4 (* 81 ULTIMATE.start_main_~y~4))), 42939#(<= 5600 (+ ULTIMATE.start_main_~x~4 (* 80 ULTIMATE.start_main_~y~4))), 42940#(<= 5916 (+ ULTIMATE.start_main_~x~4 (* 79 ULTIMATE.start_main_~y~4))), 42941#(<= 6228 (+ ULTIMATE.start_main_~x~4 (* 78 ULTIMATE.start_main_~y~4))), 42942#(<= 6536 (+ ULTIMATE.start_main_~x~4 (* 77 ULTIMATE.start_main_~y~4))), 42943#(<= 6840 (+ ULTIMATE.start_main_~x~4 (* 76 ULTIMATE.start_main_~y~4))), 42944#(<= 7140 (+ ULTIMATE.start_main_~x~4 (* 75 ULTIMATE.start_main_~y~4))), 42945#(<= 7436 (+ ULTIMATE.start_main_~x~4 (* 74 ULTIMATE.start_main_~y~4))), 42946#(<= 7728 (+ ULTIMATE.start_main_~x~4 (* 73 ULTIMATE.start_main_~y~4))), 42947#(<= 8016 (+ ULTIMATE.start_main_~x~4 (* 72 ULTIMATE.start_main_~y~4))), 42948#(<= 8300 (+ ULTIMATE.start_main_~x~4 (* 71 ULTIMATE.start_main_~y~4))), 42949#(<= 8580 (+ ULTIMATE.start_main_~x~4 (* 70 ULTIMATE.start_main_~y~4))), 42950#(<= 8856 (+ ULTIMATE.start_main_~x~4 (* 69 ULTIMATE.start_main_~y~4))), 42951#(<= 9128 (+ ULTIMATE.start_main_~x~4 (* 68 ULTIMATE.start_main_~y~4))), 42952#(<= 9396 (+ ULTIMATE.start_main_~x~4 (* 67 ULTIMATE.start_main_~y~4))), 42953#(<= 9660 (+ ULTIMATE.start_main_~x~4 (* 66 ULTIMATE.start_main_~y~4))), 42954#(<= 9920 (+ ULTIMATE.start_main_~x~4 (* 65 ULTIMATE.start_main_~y~4))), 42955#(<= 10176 (+ ULTIMATE.start_main_~x~4 (* 64 ULTIMATE.start_main_~y~4))), 42956#(<= 10428 (+ ULTIMATE.start_main_~x~4 (* 63 ULTIMATE.start_main_~y~4))), 42957#(<= 10676 (+ ULTIMATE.start_main_~x~4 (* 62 ULTIMATE.start_main_~y~4))), 42958#(<= 10920 (+ ULTIMATE.start_main_~x~4 (* 61 ULTIMATE.start_main_~y~4))), 42959#(<= 11160 (+ ULTIMATE.start_main_~x~4 (* 60 ULTIMATE.start_main_~y~4))), 42960#(<= 11396 (+ ULTIMATE.start_main_~x~4 (* 59 ULTIMATE.start_main_~y~4))), 42961#(<= 11628 (+ ULTIMATE.start_main_~x~4 (* 58 ULTIMATE.start_main_~y~4))), 42962#(<= 11856 (+ ULTIMATE.start_main_~x~4 (* 57 ULTIMATE.start_main_~y~4))), 42963#(<= 12080 (+ ULTIMATE.start_main_~x~4 (* 56 ULTIMATE.start_main_~y~4))), 42964#(<= 12300 (+ ULTIMATE.start_main_~x~4 (* 55 ULTIMATE.start_main_~y~4))), 42965#(<= 12516 (+ ULTIMATE.start_main_~x~4 (* 54 ULTIMATE.start_main_~y~4))), 42966#(<= 12728 (+ ULTIMATE.start_main_~x~4 (* 53 ULTIMATE.start_main_~y~4))), 42967#(<= 12936 (+ ULTIMATE.start_main_~x~4 (* 52 ULTIMATE.start_main_~y~4))), 42968#(<= 13140 (+ ULTIMATE.start_main_~x~4 (* 51 ULTIMATE.start_main_~y~4))), 42969#(<= 13340 (+ ULTIMATE.start_main_~x~4 (* 50 ULTIMATE.start_main_~y~4))), 42970#(<= 13536 (+ ULTIMATE.start_main_~x~4 (* 49 ULTIMATE.start_main_~y~4))), 42971#(<= 13728 (+ ULTIMATE.start_main_~x~4 (* 48 ULTIMATE.start_main_~y~4))), 42972#(<= 13916 (+ ULTIMATE.start_main_~x~4 (* 47 ULTIMATE.start_main_~y~4))), 42973#(<= 14100 (+ ULTIMATE.start_main_~x~4 (* 46 ULTIMATE.start_main_~y~4))), 42974#(<= 14280 (+ ULTIMATE.start_main_~x~4 (* 45 ULTIMATE.start_main_~y~4))), 42975#(<= 14456 (+ ULTIMATE.start_main_~x~4 (* 44 ULTIMATE.start_main_~y~4))), 42976#(<= 14628 (+ ULTIMATE.start_main_~x~4 (* 43 ULTIMATE.start_main_~y~4))), 42977#(<= 14796 (+ ULTIMATE.start_main_~x~4 (* 42 ULTIMATE.start_main_~y~4))), 42978#(<= 14960 (+ ULTIMATE.start_main_~x~4 (* 41 ULTIMATE.start_main_~y~4))), 42979#(<= 15120 (+ ULTIMATE.start_main_~x~4 (* 40 ULTIMATE.start_main_~y~4))), 42980#(<= 15276 (+ ULTIMATE.start_main_~x~4 (* 39 ULTIMATE.start_main_~y~4))), 42981#(<= 15428 (+ ULTIMATE.start_main_~x~4 (* 38 ULTIMATE.start_main_~y~4))), 42982#(<= 15576 (+ ULTIMATE.start_main_~x~4 (* 37 ULTIMATE.start_main_~y~4))), 42983#(<= 15720 (+ ULTIMATE.start_main_~x~4 (* 36 ULTIMATE.start_main_~y~4))), 42984#(<= 15860 (+ ULTIMATE.start_main_~x~4 (* 35 ULTIMATE.start_main_~y~4))), 42985#(<= 15996 (+ ULTIMATE.start_main_~x~4 (* 34 ULTIMATE.start_main_~y~4))), 42986#(<= 16128 (+ ULTIMATE.start_main_~x~4 (* 33 ULTIMATE.start_main_~y~4))), 42987#(<= 16256 (+ ULTIMATE.start_main_~x~4 (* 32 ULTIMATE.start_main_~y~4))), 42988#(<= 16380 (+ ULTIMATE.start_main_~x~4 (* 31 ULTIMATE.start_main_~y~4))), 42989#(<= 16500 (+ ULTIMATE.start_main_~x~4 (* 30 ULTIMATE.start_main_~y~4))), 42990#(<= 16616 (+ ULTIMATE.start_main_~x~4 (* 29 ULTIMATE.start_main_~y~4))), 42991#(<= 16728 (+ ULTIMATE.start_main_~x~4 (* 28 ULTIMATE.start_main_~y~4))), 42992#(<= 16836 (+ ULTIMATE.start_main_~x~4 (* 27 ULTIMATE.start_main_~y~4))), 42993#(<= 16940 (+ ULTIMATE.start_main_~x~4 (* 26 ULTIMATE.start_main_~y~4))), 42994#(<= 17040 (+ ULTIMATE.start_main_~x~4 (* 25 ULTIMATE.start_main_~y~4))), 42995#(<= 17136 (+ ULTIMATE.start_main_~x~4 (* 24 ULTIMATE.start_main_~y~4))), 42996#(<= 17228 (+ ULTIMATE.start_main_~x~4 (* 23 ULTIMATE.start_main_~y~4))), 42997#(<= 17316 (+ ULTIMATE.start_main_~x~4 (* 22 ULTIMATE.start_main_~y~4))), 42998#(<= 17400 (+ ULTIMATE.start_main_~x~4 (* 21 ULTIMATE.start_main_~y~4))), 42999#(<= 17480 (+ ULTIMATE.start_main_~x~4 (* 20 ULTIMATE.start_main_~y~4))), 43000#(<= 17556 (+ ULTIMATE.start_main_~x~4 (* 19 ULTIMATE.start_main_~y~4))), 43001#(<= 17628 (+ ULTIMATE.start_main_~x~4 (* 18 ULTIMATE.start_main_~y~4))), 43002#(<= 17696 (+ ULTIMATE.start_main_~x~4 (* 17 ULTIMATE.start_main_~y~4))), 43003#(<= 17760 (+ ULTIMATE.start_main_~x~4 (* 16 ULTIMATE.start_main_~y~4))), 43004#(<= 17820 (+ ULTIMATE.start_main_~x~4 (* 15 ULTIMATE.start_main_~y~4))), 43005#(<= 17876 (+ ULTIMATE.start_main_~x~4 (* 14 ULTIMATE.start_main_~y~4))), 43006#(<= 17928 (+ ULTIMATE.start_main_~x~4 (* 13 ULTIMATE.start_main_~y~4))), 43007#(<= 17976 (+ ULTIMATE.start_main_~x~4 (* 12 ULTIMATE.start_main_~y~4)))] [2018-07-23 13:42:49,657 INFO L134 CoverageAnalysis]: Checked inductivity of 8930 backedges. 0 proven. 8930 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-07-23 13:42:49,657 INFO L450 AbstractCegarLoop]: Interpolant automaton has 98 states [2018-07-23 13:42:49,658 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 98 interpolants. [2018-07-23 13:42:49,658 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=193, Invalid=9313, Unknown=0, NotChecked=0, Total=9506 [2018-07-23 13:42:49,658 INFO L87 Difference]: Start difference. First operand 193 states and 193 transitions. Second operand 98 states. [2018-07-23 13:42:51,146 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-07-23 13:42:51,146 INFO L93 Difference]: Finished difference Result 198 states and 198 transitions. [2018-07-23 13:42:51,146 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 98 states. [2018-07-23 13:42:51,146 INFO L78 Accepts]: Start accepts. Automaton has 98 states. Word has length 192 [2018-07-23 13:42:51,147 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-07-23 13:42:51,147 INFO L225 Difference]: With dead ends: 198 [2018-07-23 13:42:51,147 INFO L226 Difference]: Without dead ends: 196 [2018-07-23 13:42:51,148 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 13:42:51,148 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 196 states. [2018-07-23 13:42:51,222 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 196 to 195. [2018-07-23 13:42:51,222 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 195 states. [2018-07-23 13:42:51,223 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 195 states to 195 states and 195 transitions. [2018-07-23 13:42:51,223 INFO L78 Accepts]: Start accepts. Automaton has 195 states and 195 transitions. Word has length 192 [2018-07-23 13:42:51,223 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-07-23 13:42:51,223 INFO L471 AbstractCegarLoop]: Abstraction has 195 states and 195 transitions. [2018-07-23 13:42:51,223 INFO L472 AbstractCegarLoop]: Interpolant automaton has 98 states. [2018-07-23 13:42:51,223 INFO L276 IsEmpty]: Start isEmpty. Operand 195 states and 195 transitions. [2018-07-23 13:42:51,224 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 195 [2018-07-23 13:42:51,224 INFO L349 BasicCegarLoop]: Found error trace [2018-07-23 13:42:51,224 INFO L357 BasicCegarLoop]: trace histogram [96, 95, 1, 1, 1] [2018-07-23 13:42:51,225 INFO L414 AbstractCegarLoop]: === Iteration 96 === [ULTIMATE.startErr0AssertViolationASSERT]=== [2018-07-23 13:42:51,225 INFO L82 PathProgramCache]: Analyzing trace with hash -1191981103, now seen corresponding path program 95 times [2018-07-23 13:42:51,225 INFO L69 tionRefinementEngine]: Using refinement strategy FixedRefinementStrategy [2018-07-23 13:42:51,401 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-07-23 13:42:52,396 INFO L134 CoverageAnalysis]: Checked inductivity of 9120 backedges. 0 proven. 9120 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-07-23 13:42:52,397 INFO L309 seRefinementStrategy]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2018-07-23 13:42:52,397 INFO L324 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [98] total 98 [2018-07-23 13:42:52,397 INFO L142 lantAutomatonBuilder]: Constructing canonical interpolant automaton, with selfloop in false state [2018-07-23 13:42:52,397 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-07-23 13:42:52,398 INFO L185 omatonBuilderFactory]: Interpolants [43806#true, 43807#false, 43808#(<= 384 (+ ULTIMATE.start_main_~x~4 (* 96 ULTIMATE.start_main_~y~4))), 43809#(<= 764 (+ ULTIMATE.start_main_~x~4 (* 95 ULTIMATE.start_main_~y~4))), 43810#(<= 1140 (+ ULTIMATE.start_main_~x~4 (* 94 ULTIMATE.start_main_~y~4))), 43811#(<= 1512 (+ ULTIMATE.start_main_~x~4 (* 93 ULTIMATE.start_main_~y~4))), 43812#(<= 1880 (+ ULTIMATE.start_main_~x~4 (* 92 ULTIMATE.start_main_~y~4))), 43813#(<= 2244 (+ ULTIMATE.start_main_~x~4 (* 91 ULTIMATE.start_main_~y~4))), 43814#(<= 2604 (+ ULTIMATE.start_main_~x~4 (* 90 ULTIMATE.start_main_~y~4))), 43815#(<= 2960 (+ ULTIMATE.start_main_~x~4 (* 89 ULTIMATE.start_main_~y~4))), 43816#(<= 3312 (+ ULTIMATE.start_main_~x~4 (* 88 ULTIMATE.start_main_~y~4))), 43817#(<= 3660 (+ ULTIMATE.start_main_~x~4 (* 87 ULTIMATE.start_main_~y~4))), 43818#(<= 4004 (+ ULTIMATE.start_main_~x~4 (* 86 ULTIMATE.start_main_~y~4))), 43819#(<= 4344 (+ ULTIMATE.start_main_~x~4 (* 85 ULTIMATE.start_main_~y~4))), 43820#(<= 4680 (+ ULTIMATE.start_main_~x~4 (* 84 ULTIMATE.start_main_~y~4))), 43821#(<= 5012 (+ ULTIMATE.start_main_~x~4 (* 83 ULTIMATE.start_main_~y~4))), 43822#(<= 5340 (+ ULTIMATE.start_main_~x~4 (* 82 ULTIMATE.start_main_~y~4))), 43823#(<= 5664 (+ ULTIMATE.start_main_~x~4 (* 81 ULTIMATE.start_main_~y~4))), 43824#(<= 5984 (+ ULTIMATE.start_main_~x~4 (* 80 ULTIMATE.start_main_~y~4))), 43825#(<= 6300 (+ ULTIMATE.start_main_~x~4 (* 79 ULTIMATE.start_main_~y~4))), 43826#(<= 6612 (+ ULTIMATE.start_main_~x~4 (* 78 ULTIMATE.start_main_~y~4))), 43827#(<= 6920 (+ ULTIMATE.start_main_~x~4 (* 77 ULTIMATE.start_main_~y~4))), 43828#(<= 7224 (+ ULTIMATE.start_main_~x~4 (* 76 ULTIMATE.start_main_~y~4))), 43829#(<= 7524 (+ ULTIMATE.start_main_~x~4 (* 75 ULTIMATE.start_main_~y~4))), 43830#(<= 7820 (+ ULTIMATE.start_main_~x~4 (* 74 ULTIMATE.start_main_~y~4))), 43831#(<= 8112 (+ ULTIMATE.start_main_~x~4 (* 73 ULTIMATE.start_main_~y~4))), 43832#(<= 8400 (+ ULTIMATE.start_main_~x~4 (* 72 ULTIMATE.start_main_~y~4))), 43833#(<= 8684 (+ ULTIMATE.start_main_~x~4 (* 71 ULTIMATE.start_main_~y~4))), 43834#(<= 8964 (+ ULTIMATE.start_main_~x~4 (* 70 ULTIMATE.start_main_~y~4))), 43835#(<= 9240 (+ ULTIMATE.start_main_~x~4 (* 69 ULTIMATE.start_main_~y~4))), 43836#(<= 9512 (+ ULTIMATE.start_main_~x~4 (* 68 ULTIMATE.start_main_~y~4))), 43837#(<= 9780 (+ ULTIMATE.start_main_~x~4 (* 67 ULTIMATE.start_main_~y~4))), 43838#(<= 10044 (+ ULTIMATE.start_main_~x~4 (* 66 ULTIMATE.start_main_~y~4))), 43839#(<= 10304 (+ ULTIMATE.start_main_~x~4 (* 65 ULTIMATE.start_main_~y~4))), 43840#(<= 10560 (+ ULTIMATE.start_main_~x~4 (* 64 ULTIMATE.start_main_~y~4))), 43841#(<= 10812 (+ ULTIMATE.start_main_~x~4 (* 63 ULTIMATE.start_main_~y~4))), 43842#(<= 11060 (+ ULTIMATE.start_main_~x~4 (* 62 ULTIMATE.start_main_~y~4))), 43843#(<= 11304 (+ ULTIMATE.start_main_~x~4 (* 61 ULTIMATE.start_main_~y~4))), 43844#(<= 11544 (+ ULTIMATE.start_main_~x~4 (* 60 ULTIMATE.start_main_~y~4))), 43845#(<= 11780 (+ ULTIMATE.start_main_~x~4 (* 59 ULTIMATE.start_main_~y~4))), 43846#(<= 12012 (+ ULTIMATE.start_main_~x~4 (* 58 ULTIMATE.start_main_~y~4))), 43847#(<= 12240 (+ ULTIMATE.start_main_~x~4 (* 57 ULTIMATE.start_main_~y~4))), 43848#(<= 12464 (+ ULTIMATE.start_main_~x~4 (* 56 ULTIMATE.start_main_~y~4))), 43849#(<= 12684 (+ ULTIMATE.start_main_~x~4 (* 55 ULTIMATE.start_main_~y~4))), 43850#(<= 12900 (+ ULTIMATE.start_main_~x~4 (* 54 ULTIMATE.start_main_~y~4))), 43851#(<= 13112 (+ ULTIMATE.start_main_~x~4 (* 53 ULTIMATE.start_main_~y~4))), 43852#(<= 13320 (+ ULTIMATE.start_main_~x~4 (* 52 ULTIMATE.start_main_~y~4))), 43853#(<= 13524 (+ ULTIMATE.start_main_~x~4 (* 51 ULTIMATE.start_main_~y~4))), 43854#(<= 13724 (+ ULTIMATE.start_main_~x~4 (* 50 ULTIMATE.start_main_~y~4))), 43855#(<= 13920 (+ ULTIMATE.start_main_~x~4 (* 49 ULTIMATE.start_main_~y~4))), 43856#(<= 14112 (+ ULTIMATE.start_main_~x~4 (* 48 ULTIMATE.start_main_~y~4))), 43857#(<= 14300 (+ ULTIMATE.start_main_~x~4 (* 47 ULTIMATE.start_main_~y~4))), 43858#(<= 14484 (+ ULTIMATE.start_main_~x~4 (* 46 ULTIMATE.start_main_~y~4))), 43859#(<= 14664 (+ ULTIMATE.start_main_~x~4 (* 45 ULTIMATE.start_main_~y~4))), 43860#(<= 14840 (+ ULTIMATE.start_main_~x~4 (* 44 ULTIMATE.start_main_~y~4))), 43861#(<= 15012 (+ ULTIMATE.start_main_~x~4 (* 43 ULTIMATE.start_main_~y~4))), 43862#(<= 15180 (+ ULTIMATE.start_main_~x~4 (* 42 ULTIMATE.start_main_~y~4))), 43863#(<= 15344 (+ ULTIMATE.start_main_~x~4 (* 41 ULTIMATE.start_main_~y~4))), 43864#(<= 15504 (+ ULTIMATE.start_main_~x~4 (* 40 ULTIMATE.start_main_~y~4))), 43865#(<= 15660 (+ ULTIMATE.start_main_~x~4 (* 39 ULTIMATE.start_main_~y~4))), 43866#(<= 15812 (+ ULTIMATE.start_main_~x~4 (* 38 ULTIMATE.start_main_~y~4))), 43867#(<= 15960 (+ ULTIMATE.start_main_~x~4 (* 37 ULTIMATE.start_main_~y~4))), 43868#(<= 16104 (+ ULTIMATE.start_main_~x~4 (* 36 ULTIMATE.start_main_~y~4))), 43869#(<= 16244 (+ ULTIMATE.start_main_~x~4 (* 35 ULTIMATE.start_main_~y~4))), 43870#(<= 16380 (+ ULTIMATE.start_main_~x~4 (* 34 ULTIMATE.start_main_~y~4))), 43871#(<= 16512 (+ ULTIMATE.start_main_~x~4 (* 33 ULTIMATE.start_main_~y~4))), 43872#(<= 16640 (+ ULTIMATE.start_main_~x~4 (* 32 ULTIMATE.start_main_~y~4))), 43873#(<= 16764 (+ ULTIMATE.start_main_~x~4 (* 31 ULTIMATE.start_main_~y~4))), 43874#(<= 16884 (+ ULTIMATE.start_main_~x~4 (* 30 ULTIMATE.start_main_~y~4))), 43875#(<= 17000 (+ ULTIMATE.start_main_~x~4 (* 29 ULTIMATE.start_main_~y~4))), 43876#(<= 17112 (+ ULTIMATE.start_main_~x~4 (* 28 ULTIMATE.start_main_~y~4))), 43877#(<= 17220 (+ ULTIMATE.start_main_~x~4 (* 27 ULTIMATE.start_main_~y~4))), 43878#(<= 17324 (+ ULTIMATE.start_main_~x~4 (* 26 ULTIMATE.start_main_~y~4))), 43879#(<= 17424 (+ ULTIMATE.start_main_~x~4 (* 25 ULTIMATE.start_main_~y~4))), 43880#(<= 17520 (+ ULTIMATE.start_main_~x~4 (* 24 ULTIMATE.start_main_~y~4))), 43881#(<= 17612 (+ ULTIMATE.start_main_~x~4 (* 23 ULTIMATE.start_main_~y~4))), 43882#(<= 17700 (+ ULTIMATE.start_main_~x~4 (* 22 ULTIMATE.start_main_~y~4))), 43883#(<= 17784 (+ ULTIMATE.start_main_~x~4 (* 21 ULTIMATE.start_main_~y~4))), 43884#(<= 17864 (+ ULTIMATE.start_main_~x~4 (* 20 ULTIMATE.start_main_~y~4))), 43885#(<= 17940 (+ ULTIMATE.start_main_~x~4 (* 19 ULTIMATE.start_main_~y~4))), 43886#(<= 18012 (+ ULTIMATE.start_main_~x~4 (* 18 ULTIMATE.start_main_~y~4))), 43887#(<= 18080 (+ ULTIMATE.start_main_~x~4 (* 17 ULTIMATE.start_main_~y~4))), 43888#(<= 18144 (+ ULTIMATE.start_main_~x~4 (* 16 ULTIMATE.start_main_~y~4))), 43889#(<= 18204 (+ ULTIMATE.start_main_~x~4 (* 15 ULTIMATE.start_main_~y~4))), 43890#(<= 18260 (+ ULTIMATE.start_main_~x~4 (* 14 ULTIMATE.start_main_~y~4))), 43891#(<= 18312 (+ ULTIMATE.start_main_~x~4 (* 13 ULTIMATE.start_main_~y~4))), 43892#(<= 18360 (+ ULTIMATE.start_main_~x~4 (* 12 ULTIMATE.start_main_~y~4))), 43893#(<= 18404 (+ ULTIMATE.start_main_~x~4 (* 11 ULTIMATE.start_main_~y~4))), 43894#(<= 18444 (+ ULTIMATE.start_main_~x~4 (* 10 ULTIMATE.start_main_~y~4))), 43895#(<= 18480 (+ ULTIMATE.start_main_~x~4 (* 9 ULTIMATE.start_main_~y~4))), 43896#(<= 18512 (+ ULTIMATE.start_main_~x~4 (* 8 ULTIMATE.start_main_~y~4))), 43897#(<= 18540 (+ ULTIMATE.start_main_~x~4 (* 7 ULTIMATE.start_main_~y~4))), 43898#(<= 18564 (+ ULTIMATE.start_main_~x~4 (* 6 ULTIMATE.start_main_~y~4))), 43899#(<= 18584 (+ ULTIMATE.start_main_~x~4 (* 5 ULTIMATE.start_main_~y~4))), 43900#(<= 18600 (+ ULTIMATE.start_main_~x~4 (* 4 ULTIMATE.start_main_~y~4))), 43901#(<= 18612 (+ ULTIMATE.start_main_~x~4 (* 3 ULTIMATE.start_main_~y~4))), 43902#(<= 18620 (+ ULTIMATE.start_main_~x~4 (* 2 ULTIMATE.start_main_~y~4))), 43903#(<= 18624 (+ ULTIMATE.start_main_~x~4 ULTIMATE.start_main_~y~4)), 43904#(<= 1 ULTIMATE.start___VERIFIER_assert_~cond)] [2018-07-23 13:42:52,398 INFO L134 CoverageAnalysis]: Checked inductivity of 9120 backedges. 0 proven. 9120 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-07-23 13:42:52,398 INFO L450 AbstractCegarLoop]: Interpolant automaton has 99 states [2018-07-23 13:42:52,398 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 99 interpolants. [2018-07-23 13:42:52,399 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=195, Invalid=9507, Unknown=0, NotChecked=0, Total=9702 [2018-07-23 13:42:52,399 INFO L87 Difference]: Start difference. First operand 195 states and 195 transitions. Second operand 99 states. [2018-07-23 13:42:54,054 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-07-23 13:42:54,054 INFO L93 Difference]: Finished difference Result 200 states and 200 transitions. [2018-07-23 13:42:54,055 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 99 states. [2018-07-23 13:42:54,055 INFO L78 Accepts]: Start accepts. Automaton has 99 states. Word has length 194 [2018-07-23 13:42:54,055 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-07-23 13:42:54,056 INFO L225 Difference]: With dead ends: 200 [2018-07-23 13:42:54,056 INFO L226 Difference]: Without dead ends: 198 [2018-07-23 13:42:54,056 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 13:42:54,057 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 198 states. [2018-07-23 13:42:54,124 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 198 to 197. [2018-07-23 13:42:54,124 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 197 states. [2018-07-23 13:42:54,124 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 197 states to 197 states and 197 transitions. [2018-07-23 13:42:54,124 INFO L78 Accepts]: Start accepts. Automaton has 197 states and 197 transitions. Word has length 194 [2018-07-23 13:42:54,124 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-07-23 13:42:54,124 INFO L471 AbstractCegarLoop]: Abstraction has 197 states and 197 transitions. [2018-07-23 13:42:54,125 INFO L472 AbstractCegarLoop]: Interpolant automaton has 99 states. [2018-07-23 13:42:54,125 INFO L276 IsEmpty]: Start isEmpty. Operand 197 states and 197 transitions. [2018-07-23 13:42:54,125 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 197 [2018-07-23 13:42:54,125 INFO L349 BasicCegarLoop]: Found error trace [2018-07-23 13:42:54,125 INFO L357 BasicCegarLoop]: trace histogram [97, 96, 1, 1, 1] [2018-07-23 13:42:54,126 INFO L414 AbstractCegarLoop]: === Iteration 97 === [ULTIMATE.startErr0AssertViolationASSERT]=== [2018-07-23 13:42:54,126 INFO L82 PathProgramCache]: Analyzing trace with hash 1262374747, now seen corresponding path program 96 times [2018-07-23 13:42:54,126 INFO L69 tionRefinementEngine]: Using refinement strategy FixedRefinementStrategy [2018-07-23 13:42:54,308 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-07-23 13:42:55,346 INFO L134 CoverageAnalysis]: Checked inductivity of 9312 backedges. 0 proven. 9312 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-07-23 13:42:55,346 INFO L309 seRefinementStrategy]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2018-07-23 13:42:55,346 INFO L324 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [99] total 99 [2018-07-23 13:42:55,346 INFO L142 lantAutomatonBuilder]: Constructing canonical interpolant automaton, with selfloop in false state [2018-07-23 13:42:55,347 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-07-23 13:42:55,347 INFO L185 omatonBuilderFactory]: Interpolants [44699#true, 44700#false, 44701#(<= 388 (+ ULTIMATE.start_main_~x~4 (* 97 ULTIMATE.start_main_~y~4))), 44702#(<= 772 (+ ULTIMATE.start_main_~x~4 (* 96 ULTIMATE.start_main_~y~4))), 44703#(<= 1152 (+ ULTIMATE.start_main_~x~4 (* 95 ULTIMATE.start_main_~y~4))), 44704#(<= 1528 (+ ULTIMATE.start_main_~x~4 (* 94 ULTIMATE.start_main_~y~4))), 44705#(<= 1900 (+ ULTIMATE.start_main_~x~4 (* 93 ULTIMATE.start_main_~y~4))), 44706#(<= 2268 (+ ULTIMATE.start_main_~x~4 (* 92 ULTIMATE.start_main_~y~4))), 44707#(<= 2632 (+ ULTIMATE.start_main_~x~4 (* 91 ULTIMATE.start_main_~y~4))), 44708#(<= 2992 (+ ULTIMATE.start_main_~x~4 (* 90 ULTIMATE.start_main_~y~4))), 44709#(<= 3348 (+ ULTIMATE.start_main_~x~4 (* 89 ULTIMATE.start_main_~y~4))), 44710#(<= 3700 (+ ULTIMATE.start_main_~x~4 (* 88 ULTIMATE.start_main_~y~4))), 44711#(<= 4048 (+ ULTIMATE.start_main_~x~4 (* 87 ULTIMATE.start_main_~y~4))), 44712#(<= 4392 (+ ULTIMATE.start_main_~x~4 (* 86 ULTIMATE.start_main_~y~4))), 44713#(<= 4732 (+ ULTIMATE.start_main_~x~4 (* 85 ULTIMATE.start_main_~y~4))), 44714#(<= 5068 (+ ULTIMATE.start_main_~x~4 (* 84 ULTIMATE.start_main_~y~4))), 44715#(<= 5400 (+ ULTIMATE.start_main_~x~4 (* 83 ULTIMATE.start_main_~y~4))), 44716#(<= 5728 (+ ULTIMATE.start_main_~x~4 (* 82 ULTIMATE.start_main_~y~4))), 44717#(<= 6052 (+ ULTIMATE.start_main_~x~4 (* 81 ULTIMATE.start_main_~y~4))), 44718#(<= 6372 (+ ULTIMATE.start_main_~x~4 (* 80 ULTIMATE.start_main_~y~4))), 44719#(<= 6688 (+ ULTIMATE.start_main_~x~4 (* 79 ULTIMATE.start_main_~y~4))), 44720#(<= 7000 (+ ULTIMATE.start_main_~x~4 (* 78 ULTIMATE.start_main_~y~4))), 44721#(<= 7308 (+ ULTIMATE.start_main_~x~4 (* 77 ULTIMATE.start_main_~y~4))), 44722#(<= 7612 (+ ULTIMATE.start_main_~x~4 (* 76 ULTIMATE.start_main_~y~4))), 44723#(<= 7912 (+ ULTIMATE.start_main_~x~4 (* 75 ULTIMATE.start_main_~y~4))), 44724#(<= 8208 (+ ULTIMATE.start_main_~x~4 (* 74 ULTIMATE.start_main_~y~4))), 44725#(<= 8500 (+ ULTIMATE.start_main_~x~4 (* 73 ULTIMATE.start_main_~y~4))), 44726#(<= 8788 (+ ULTIMATE.start_main_~x~4 (* 72 ULTIMATE.start_main_~y~4))), 44727#(<= 9072 (+ ULTIMATE.start_main_~x~4 (* 71 ULTIMATE.start_main_~y~4))), 44728#(<= 9352 (+ ULTIMATE.start_main_~x~4 (* 70 ULTIMATE.start_main_~y~4))), 44729#(<= 9628 (+ ULTIMATE.start_main_~x~4 (* 69 ULTIMATE.start_main_~y~4))), 44730#(<= 9900 (+ ULTIMATE.start_main_~x~4 (* 68 ULTIMATE.start_main_~y~4))), 44731#(<= 10168 (+ ULTIMATE.start_main_~x~4 (* 67 ULTIMATE.start_main_~y~4))), 44732#(<= 10432 (+ ULTIMATE.start_main_~x~4 (* 66 ULTIMATE.start_main_~y~4))), 44733#(<= 10692 (+ ULTIMATE.start_main_~x~4 (* 65 ULTIMATE.start_main_~y~4))), 44734#(<= 10948 (+ ULTIMATE.start_main_~x~4 (* 64 ULTIMATE.start_main_~y~4))), 44735#(<= 11200 (+ ULTIMATE.start_main_~x~4 (* 63 ULTIMATE.start_main_~y~4))), 44736#(<= 11448 (+ ULTIMATE.start_main_~x~4 (* 62 ULTIMATE.start_main_~y~4))), 44737#(<= 11692 (+ ULTIMATE.start_main_~x~4 (* 61 ULTIMATE.start_main_~y~4))), 44738#(<= 11932 (+ ULTIMATE.start_main_~x~4 (* 60 ULTIMATE.start_main_~y~4))), 44739#(<= 12168 (+ ULTIMATE.start_main_~x~4 (* 59 ULTIMATE.start_main_~y~4))), 44740#(<= 12400 (+ ULTIMATE.start_main_~x~4 (* 58 ULTIMATE.start_main_~y~4))), 44741#(<= 12628 (+ ULTIMATE.start_main_~x~4 (* 57 ULTIMATE.start_main_~y~4))), 44742#(<= 12852 (+ ULTIMATE.start_main_~x~4 (* 56 ULTIMATE.start_main_~y~4))), 44743#(<= 13072 (+ ULTIMATE.start_main_~x~4 (* 55 ULTIMATE.start_main_~y~4))), 44744#(<= 13288 (+ ULTIMATE.start_main_~x~4 (* 54 ULTIMATE.start_main_~y~4))), 44745#(<= 13500 (+ ULTIMATE.start_main_~x~4 (* 53 ULTIMATE.start_main_~y~4))), 44746#(<= 13708 (+ ULTIMATE.start_main_~x~4 (* 52 ULTIMATE.start_main_~y~4))), 44747#(<= 13912 (+ ULTIMATE.start_main_~x~4 (* 51 ULTIMATE.start_main_~y~4))), 44748#(<= 14112 (+ ULTIMATE.start_main_~x~4 (* 50 ULTIMATE.start_main_~y~4))), 44749#(<= 14308 (+ ULTIMATE.start_main_~x~4 (* 49 ULTIMATE.start_main_~y~4))), 44750#(<= 14500 (+ ULTIMATE.start_main_~x~4 (* 48 ULTIMATE.start_main_~y~4))), 44751#(<= 14688 (+ ULTIMATE.start_main_~x~4 (* 47 ULTIMATE.start_main_~y~4))), 44752#(<= 14872 (+ ULTIMATE.start_main_~x~4 (* 46 ULTIMATE.start_main_~y~4))), 44753#(<= 15052 (+ ULTIMATE.start_main_~x~4 (* 45 ULTIMATE.start_main_~y~4))), 44754#(<= 15228 (+ ULTIMATE.start_main_~x~4 (* 44 ULTIMATE.start_main_~y~4))), 44755#(<= 15400 (+ ULTIMATE.start_main_~x~4 (* 43 ULTIMATE.start_main_~y~4))), 44756#(<= 15568 (+ ULTIMATE.start_main_~x~4 (* 42 ULTIMATE.start_main_~y~4))), 44757#(<= 15732 (+ ULTIMATE.start_main_~x~4 (* 41 ULTIMATE.start_main_~y~4))), 44758#(<= 15892 (+ ULTIMATE.start_main_~x~4 (* 40 ULTIMATE.start_main_~y~4))), 44759#(<= 16048 (+ ULTIMATE.start_main_~x~4 (* 39 ULTIMATE.start_main_~y~4))), 44760#(<= 16200 (+ ULTIMATE.start_main_~x~4 (* 38 ULTIMATE.start_main_~y~4))), 44761#(<= 16348 (+ ULTIMATE.start_main_~x~4 (* 37 ULTIMATE.start_main_~y~4))), 44762#(<= 16492 (+ ULTIMATE.start_main_~x~4 (* 36 ULTIMATE.start_main_~y~4))), 44763#(<= 16632 (+ ULTIMATE.start_main_~x~4 (* 35 ULTIMATE.start_main_~y~4))), 44764#(<= 16768 (+ ULTIMATE.start_main_~x~4 (* 34 ULTIMATE.start_main_~y~4))), 44765#(<= 16900 (+ ULTIMATE.start_main_~x~4 (* 33 ULTIMATE.start_main_~y~4))), 44766#(<= 17028 (+ ULTIMATE.start_main_~x~4 (* 32 ULTIMATE.start_main_~y~4))), 44767#(<= 17152 (+ ULTIMATE.start_main_~x~4 (* 31 ULTIMATE.start_main_~y~4))), 44768#(<= 17272 (+ ULTIMATE.start_main_~x~4 (* 30 ULTIMATE.start_main_~y~4))), 44769#(<= 17388 (+ ULTIMATE.start_main_~x~4 (* 29 ULTIMATE.start_main_~y~4))), 44770#(<= 17500 (+ ULTIMATE.start_main_~x~4 (* 28 ULTIMATE.start_main_~y~4))), 44771#(<= 17608 (+ ULTIMATE.start_main_~x~4 (* 27 ULTIMATE.start_main_~y~4))), 44772#(<= 17712 (+ ULTIMATE.start_main_~x~4 (* 26 ULTIMATE.start_main_~y~4))), 44773#(<= 17812 (+ ULTIMATE.start_main_~x~4 (* 25 ULTIMATE.start_main_~y~4))), 44774#(<= 17908 (+ ULTIMATE.start_main_~x~4 (* 24 ULTIMATE.start_main_~y~4))), 44775#(<= 18000 (+ ULTIMATE.start_main_~x~4 (* 23 ULTIMATE.start_main_~y~4))), 44776#(<= 18088 (+ ULTIMATE.start_main_~x~4 (* 22 ULTIMATE.start_main_~y~4))), 44777#(<= 18172 (+ ULTIMATE.start_main_~x~4 (* 21 ULTIMATE.start_main_~y~4))), 44778#(<= 18252 (+ ULTIMATE.start_main_~x~4 (* 20 ULTIMATE.start_main_~y~4))), 44779#(<= 18328 (+ ULTIMATE.start_main_~x~4 (* 19 ULTIMATE.start_main_~y~4))), 44780#(<= 18400 (+ ULTIMATE.start_main_~x~4 (* 18 ULTIMATE.start_main_~y~4))), 44781#(<= 18468 (+ ULTIMATE.start_main_~x~4 (* 17 ULTIMATE.start_main_~y~4))), 44782#(<= 18532 (+ ULTIMATE.start_main_~x~4 (* 16 ULTIMATE.start_main_~y~4))), 44783#(<= 18592 (+ ULTIMATE.start_main_~x~4 (* 15 ULTIMATE.start_main_~y~4))), 44784#(<= 18648 (+ ULTIMATE.start_main_~x~4 (* 14 ULTIMATE.start_main_~y~4))), 44785#(<= 18700 (+ ULTIMATE.start_main_~x~4 (* 13 ULTIMATE.start_main_~y~4))), 44786#(<= 18748 (+ ULTIMATE.start_main_~x~4 (* 12 ULTIMATE.start_main_~y~4))), 44787#(<= 18792 (+ ULTIMATE.start_main_~x~4 (* 11 ULTIMATE.start_main_~y~4))), 44788#(<= 18832 (+ ULTIMATE.start_main_~x~4 (* 10 ULTIMATE.start_main_~y~4))), 44789#(<= 18868 (+ ULTIMATE.start_main_~x~4 (* 9 ULTIMATE.start_main_~y~4))), 44790#(<= 18900 (+ ULTIMATE.start_main_~x~4 (* 8 ULTIMATE.start_main_~y~4))), 44791#(<= 18928 (+ ULTIMATE.start_main_~x~4 (* 7 ULTIMATE.start_main_~y~4))), 44792#(<= 18952 (+ ULTIMATE.start_main_~x~4 (* 6 ULTIMATE.start_main_~y~4))), 44793#(<= 18972 (+ ULTIMATE.start_main_~x~4 (* 5 ULTIMATE.start_main_~y~4))), 44794#(<= 18988 (+ ULTIMATE.start_main_~x~4 (* 4 ULTIMATE.start_main_~y~4))), 44795#(<= 19000 (+ ULTIMATE.start_main_~x~4 (* 3 ULTIMATE.start_main_~y~4))), 44796#(<= 19008 (+ ULTIMATE.start_main_~x~4 (* 2 ULTIMATE.start_main_~y~4))), 44797#(<= 19012 (+ ULTIMATE.start_main_~x~4 ULTIMATE.start_main_~y~4)), 44798#(<= 1 ULTIMATE.start___VERIFIER_assert_~cond)] [2018-07-23 13:42:55,347 INFO L134 CoverageAnalysis]: Checked inductivity of 9312 backedges. 0 proven. 9312 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-07-23 13:42:55,348 INFO L450 AbstractCegarLoop]: Interpolant automaton has 100 states [2018-07-23 13:42:55,348 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 100 interpolants. [2018-07-23 13:42:55,348 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=197, Invalid=9703, Unknown=0, NotChecked=0, Total=9900 [2018-07-23 13:42:55,349 INFO L87 Difference]: Start difference. First operand 197 states and 197 transitions. Second operand 100 states. [2018-07-23 13:42:57,069 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-07-23 13:42:57,070 INFO L93 Difference]: Finished difference Result 202 states and 202 transitions. [2018-07-23 13:42:57,070 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 100 states. [2018-07-23 13:42:57,070 INFO L78 Accepts]: Start accepts. Automaton has 100 states. Word has length 196 [2018-07-23 13:42:57,070 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-07-23 13:42:57,071 INFO L225 Difference]: With dead ends: 202 [2018-07-23 13:42:57,071 INFO L226 Difference]: Without dead ends: 200 [2018-07-23 13:42:57,072 INFO L575 BasicCegarLoop]: 0 DeclaredPredicates, 99 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 98 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.4s TimeCoverageRelationStatistics Valid=197, Invalid=9703, Unknown=0, NotChecked=0, Total=9900 [2018-07-23 13:42:57,072 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 200 states. [2018-07-23 13:42:57,137 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 200 to 199. [2018-07-23 13:42:57,137 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 199 states. [2018-07-23 13:42:57,138 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 199 states to 199 states and 199 transitions. [2018-07-23 13:42:57,138 INFO L78 Accepts]: Start accepts. Automaton has 199 states and 199 transitions. Word has length 196 [2018-07-23 13:42:57,138 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-07-23 13:42:57,138 INFO L471 AbstractCegarLoop]: Abstraction has 199 states and 199 transitions. [2018-07-23 13:42:57,138 INFO L472 AbstractCegarLoop]: Interpolant automaton has 100 states. [2018-07-23 13:42:57,138 INFO L276 IsEmpty]: Start isEmpty. Operand 199 states and 199 transitions. [2018-07-23 13:42:57,139 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 199 [2018-07-23 13:42:57,139 INFO L349 BasicCegarLoop]: Found error trace [2018-07-23 13:42:57,139 INFO L357 BasicCegarLoop]: trace histogram [98, 97, 1, 1, 1] [2018-07-23 13:42:57,139 INFO L414 AbstractCegarLoop]: === Iteration 98 === [ULTIMATE.startErr0AssertViolationASSERT]=== [2018-07-23 13:42:57,139 INFO L82 PathProgramCache]: Analyzing trace with hash 1961301093, now seen corresponding path program 97 times [2018-07-23 13:42:57,139 INFO L69 tionRefinementEngine]: Using refinement strategy FixedRefinementStrategy [2018-07-23 13:42:57,324 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-07-23 13:42:58,336 INFO L134 CoverageAnalysis]: Checked inductivity of 9506 backedges. 0 proven. 9506 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-07-23 13:42:58,337 INFO L309 seRefinementStrategy]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2018-07-23 13:42:58,337 INFO L324 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [100] total 100 [2018-07-23 13:42:58,337 INFO L142 lantAutomatonBuilder]: Constructing canonical interpolant automaton, with selfloop in false state [2018-07-23 13:42:58,337 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-07-23 13:42:58,338 INFO L185 omatonBuilderFactory]: Interpolants [45601#true, 45602#false, 45603#(<= 392 (+ ULTIMATE.start_main_~x~4 (* 98 ULTIMATE.start_main_~y~4))), 45604#(<= 780 (+ ULTIMATE.start_main_~x~4 (* 97 ULTIMATE.start_main_~y~4))), 45605#(<= 1164 (+ ULTIMATE.start_main_~x~4 (* 96 ULTIMATE.start_main_~y~4))), 45606#(<= 1544 (+ ULTIMATE.start_main_~x~4 (* 95 ULTIMATE.start_main_~y~4))), 45607#(<= 1920 (+ ULTIMATE.start_main_~x~4 (* 94 ULTIMATE.start_main_~y~4))), 45608#(<= 2292 (+ ULTIMATE.start_main_~x~4 (* 93 ULTIMATE.start_main_~y~4))), 45609#(<= 2660 (+ ULTIMATE.start_main_~x~4 (* 92 ULTIMATE.start_main_~y~4))), 45610#(<= 3024 (+ ULTIMATE.start_main_~x~4 (* 91 ULTIMATE.start_main_~y~4))), 45611#(<= 3384 (+ ULTIMATE.start_main_~x~4 (* 90 ULTIMATE.start_main_~y~4))), 45612#(<= 3740 (+ ULTIMATE.start_main_~x~4 (* 89 ULTIMATE.start_main_~y~4))), 45613#(<= 4092 (+ ULTIMATE.start_main_~x~4 (* 88 ULTIMATE.start_main_~y~4))), 45614#(<= 4440 (+ ULTIMATE.start_main_~x~4 (* 87 ULTIMATE.start_main_~y~4))), 45615#(<= 4784 (+ ULTIMATE.start_main_~x~4 (* 86 ULTIMATE.start_main_~y~4))), 45616#(<= 5124 (+ ULTIMATE.start_main_~x~4 (* 85 ULTIMATE.start_main_~y~4))), 45617#(<= 5460 (+ ULTIMATE.start_main_~x~4 (* 84 ULTIMATE.start_main_~y~4))), 45618#(<= 5792 (+ ULTIMATE.start_main_~x~4 (* 83 ULTIMATE.start_main_~y~4))), 45619#(<= 6120 (+ ULTIMATE.start_main_~x~4 (* 82 ULTIMATE.start_main_~y~4))), 45620#(<= 6444 (+ ULTIMATE.start_main_~x~4 (* 81 ULTIMATE.start_main_~y~4))), 45621#(<= 6764 (+ ULTIMATE.start_main_~x~4 (* 80 ULTIMATE.start_main_~y~4))), 45622#(<= 7080 (+ ULTIMATE.start_main_~x~4 (* 79 ULTIMATE.start_main_~y~4))), 45623#(<= 7392 (+ ULTIMATE.start_main_~x~4 (* 78 ULTIMATE.start_main_~y~4))), 45624#(<= 7700 (+ ULTIMATE.start_main_~x~4 (* 77 ULTIMATE.start_main_~y~4))), 45625#(<= 8004 (+ ULTIMATE.start_main_~x~4 (* 76 ULTIMATE.start_main_~y~4))), 45626#(<= 8304 (+ ULTIMATE.start_main_~x~4 (* 75 ULTIMATE.start_main_~y~4))), 45627#(<= 8600 (+ ULTIMATE.start_main_~x~4 (* 74 ULTIMATE.start_main_~y~4))), 45628#(<= 8892 (+ ULTIMATE.start_main_~x~4 (* 73 ULTIMATE.start_main_~y~4))), 45629#(<= 9180 (+ ULTIMATE.start_main_~x~4 (* 72 ULTIMATE.start_main_~y~4))), 45630#(<= 9464 (+ ULTIMATE.start_main_~x~4 (* 71 ULTIMATE.start_main_~y~4))), 45631#(<= 9744 (+ ULTIMATE.start_main_~x~4 (* 70 ULTIMATE.start_main_~y~4))), 45632#(<= 10020 (+ ULTIMATE.start_main_~x~4 (* 69 ULTIMATE.start_main_~y~4))), 45633#(<= 10292 (+ ULTIMATE.start_main_~x~4 (* 68 ULTIMATE.start_main_~y~4))), 45634#(<= 10560 (+ ULTIMATE.start_main_~x~4 (* 67 ULTIMATE.start_main_~y~4))), 45635#(<= 10824 (+ ULTIMATE.start_main_~x~4 (* 66 ULTIMATE.start_main_~y~4))), 45636#(<= 11084 (+ ULTIMATE.start_main_~x~4 (* 65 ULTIMATE.start_main_~y~4))), 45637#(<= 11340 (+ ULTIMATE.start_main_~x~4 (* 64 ULTIMATE.start_main_~y~4))), 45638#(<= 11592 (+ ULTIMATE.start_main_~x~4 (* 63 ULTIMATE.start_main_~y~4))), 45639#(<= 11840 (+ ULTIMATE.start_main_~x~4 (* 62 ULTIMATE.start_main_~y~4))), 45640#(<= 12084 (+ ULTIMATE.start_main_~x~4 (* 61 ULTIMATE.start_main_~y~4))), 45641#(<= 12324 (+ ULTIMATE.start_main_~x~4 (* 60 ULTIMATE.start_main_~y~4))), 45642#(<= 12560 (+ ULTIMATE.start_main_~x~4 (* 59 ULTIMATE.start_main_~y~4))), 45643#(<= 12792 (+ ULTIMATE.start_main_~x~4 (* 58 ULTIMATE.start_main_~y~4))), 45644#(<= 13020 (+ ULTIMATE.start_main_~x~4 (* 57 ULTIMATE.start_main_~y~4))), 45645#(<= 13244 (+ ULTIMATE.start_main_~x~4 (* 56 ULTIMATE.start_main_~y~4))), 45646#(<= 13464 (+ ULTIMATE.start_main_~x~4 (* 55 ULTIMATE.start_main_~y~4))), 45647#(<= 13680 (+ ULTIMATE.start_main_~x~4 (* 54 ULTIMATE.start_main_~y~4))), 45648#(<= 13892 (+ ULTIMATE.start_main_~x~4 (* 53 ULTIMATE.start_main_~y~4))), 45649#(<= 14100 (+ ULTIMATE.start_main_~x~4 (* 52 ULTIMATE.start_main_~y~4))), 45650#(<= 14304 (+ ULTIMATE.start_main_~x~4 (* 51 ULTIMATE.start_main_~y~4))), 45651#(<= 14504 (+ ULTIMATE.start_main_~x~4 (* 50 ULTIMATE.start_main_~y~4))), 45652#(<= 14700 (+ ULTIMATE.start_main_~x~4 (* 49 ULTIMATE.start_main_~y~4))), 45653#(<= 14892 (+ ULTIMATE.start_main_~x~4 (* 48 ULTIMATE.start_main_~y~4))), 45654#(<= 15080 (+ ULTIMATE.start_main_~x~4 (* 47 ULTIMATE.start_main_~y~4))), 45655#(<= 15264 (+ ULTIMATE.start_main_~x~4 (* 46 ULTIMATE.start_main_~y~4))), 45656#(<= 15444 (+ ULTIMATE.start_main_~x~4 (* 45 ULTIMATE.start_main_~y~4))), 45657#(<= 15620 (+ ULTIMATE.start_main_~x~4 (* 44 ULTIMATE.start_main_~y~4))), 45658#(<= 15792 (+ ULTIMATE.start_main_~x~4 (* 43 ULTIMATE.start_main_~y~4))), 45659#(<= 15960 (+ ULTIMATE.start_main_~x~4 (* 42 ULTIMATE.start_main_~y~4))), 45660#(<= 16124 (+ ULTIMATE.start_main_~x~4 (* 41 ULTIMATE.start_main_~y~4))), 45661#(<= 16284 (+ ULTIMATE.start_main_~x~4 (* 40 ULTIMATE.start_main_~y~4))), 45662#(<= 16440 (+ ULTIMATE.start_main_~x~4 (* 39 ULTIMATE.start_main_~y~4))), 45663#(<= 16592 (+ ULTIMATE.start_main_~x~4 (* 38 ULTIMATE.start_main_~y~4))), 45664#(<= 16740 (+ ULTIMATE.start_main_~x~4 (* 37 ULTIMATE.start_main_~y~4))), 45665#(<= 16884 (+ ULTIMATE.start_main_~x~4 (* 36 ULTIMATE.start_main_~y~4))), 45666#(<= 17024 (+ ULTIMATE.start_main_~x~4 (* 35 ULTIMATE.start_main_~y~4))), 45667#(<= 17160 (+ ULTIMATE.start_main_~x~4 (* 34 ULTIMATE.start_main_~y~4))), 45668#(<= 17292 (+ ULTIMATE.start_main_~x~4 (* 33 ULTIMATE.start_main_~y~4))), 45669#(<= 17420 (+ ULTIMATE.start_main_~x~4 (* 32 ULTIMATE.start_main_~y~4))), 45670#(<= 17544 (+ ULTIMATE.start_main_~x~4 (* 31 ULTIMATE.start_main_~y~4))), 45671#(<= 17664 (+ ULTIMATE.start_main_~x~4 (* 30 ULTIMATE.start_main_~y~4))), 45672#(<= 17780 (+ ULTIMATE.start_main_~x~4 (* 29 ULTIMATE.start_main_~y~4))), 45673#(<= 17892 (+ ULTIMATE.start_main_~x~4 (* 28 ULTIMATE.start_main_~y~4))), 45674#(<= 18000 (+ ULTIMATE.start_main_~x~4 (* 27 ULTIMATE.start_main_~y~4))), 45675#(<= 18104 (+ ULTIMATE.start_main_~x~4 (* 26 ULTIMATE.start_main_~y~4))), 45676#(<= 18204 (+ ULTIMATE.start_main_~x~4 (* 25 ULTIMATE.start_main_~y~4))), 45677#(<= 18300 (+ ULTIMATE.start_main_~x~4 (* 24 ULTIMATE.start_main_~y~4))), 45678#(<= 18392 (+ ULTIMATE.start_main_~x~4 (* 23 ULTIMATE.start_main_~y~4))), 45679#(<= 18480 (+ ULTIMATE.start_main_~x~4 (* 22 ULTIMATE.start_main_~y~4))), 45680#(<= 18564 (+ ULTIMATE.start_main_~x~4 (* 21 ULTIMATE.start_main_~y~4))), 45681#(<= 18644 (+ ULTIMATE.start_main_~x~4 (* 20 ULTIMATE.start_main_~y~4))), 45682#(<= 18720 (+ ULTIMATE.start_main_~x~4 (* 19 ULTIMATE.start_main_~y~4))), 45683#(<= 18792 (+ ULTIMATE.start_main_~x~4 (* 18 ULTIMATE.start_main_~y~4))), 45684#(<= 18860 (+ ULTIMATE.start_main_~x~4 (* 17 ULTIMATE.start_main_~y~4))), 45685#(<= 18924 (+ ULTIMATE.start_main_~x~4 (* 16 ULTIMATE.start_main_~y~4))), 45686#(<= 18984 (+ ULTIMATE.start_main_~x~4 (* 15 ULTIMATE.start_main_~y~4))), 45687#(<= 19040 (+ ULTIMATE.start_main_~x~4 (* 14 ULTIMATE.start_main_~y~4))), 45688#(<= 19092 (+ ULTIMATE.start_main_~x~4 (* 13 ULTIMATE.start_main_~y~4))), 45689#(<= 19140 (+ ULTIMATE.start_main_~x~4 (* 12 ULTIMATE.start_main_~y~4))), 45690#(<= 19184 (+ ULTIMATE.start_main_~x~4 (* 11 ULTIMATE.start_main_~y~4))), 45691#(<= 19224 (+ ULTIMATE.start_main_~x~4 (* 10 ULTIMATE.start_main_~y~4))), 45692#(<= 19260 (+ ULTIMATE.start_main_~x~4 (* 9 ULTIMATE.start_main_~y~4))), 45693#(<= 19292 (+ ULTIMATE.start_main_~x~4 (* 8 ULTIMATE.start_main_~y~4))), 45694#(<= 19320 (+ ULTIMATE.start_main_~x~4 (* 7 ULTIMATE.start_main_~y~4))), 45695#(<= 19344 (+ ULTIMATE.start_main_~x~4 (* 6 ULTIMATE.start_main_~y~4))), 45696#(<= 19364 (+ ULTIMATE.start_main_~x~4 (* 5 ULTIMATE.start_main_~y~4))), 45697#(<= 19380 (+ ULTIMATE.start_main_~x~4 (* 4 ULTIMATE.start_main_~y~4))), 45698#(<= 19392 (+ ULTIMATE.start_main_~x~4 (* 3 ULTIMATE.start_main_~y~4))), 45699#(<= 19400 (+ ULTIMATE.start_main_~x~4 (* 2 ULTIMATE.start_main_~y~4))), 45700#(<= 19404 (+ ULTIMATE.start_main_~x~4 ULTIMATE.start_main_~y~4)), 45701#(<= 1 ULTIMATE.start___VERIFIER_assert_~cond)] [2018-07-23 13:42:58,338 INFO L134 CoverageAnalysis]: Checked inductivity of 9506 backedges. 0 proven. 9506 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-07-23 13:42:58,338 INFO L450 AbstractCegarLoop]: Interpolant automaton has 101 states [2018-07-23 13:42:58,339 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 101 interpolants. [2018-07-23 13:42:58,339 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=199, Invalid=9901, Unknown=0, NotChecked=0, Total=10100 [2018-07-23 13:42:58,340 INFO L87 Difference]: Start difference. First operand 199 states and 199 transitions. Second operand 101 states. [2018-07-23 13:43:00,108 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-07-23 13:43:00,108 INFO L93 Difference]: Finished difference Result 204 states and 204 transitions. [2018-07-23 13:43:00,108 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 101 states. [2018-07-23 13:43:00,108 INFO L78 Accepts]: Start accepts. Automaton has 101 states. Word has length 198 [2018-07-23 13:43:00,108 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-07-23 13:43:00,109 INFO L225 Difference]: With dead ends: 204 [2018-07-23 13:43:00,109 INFO L226 Difference]: Without dead ends: 202 [2018-07-23 13:43:00,109 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 13:43:00,110 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 202 states. [2018-07-23 13:43:00,176 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 202 to 201. [2018-07-23 13:43:00,176 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 201 states. [2018-07-23 13:43:00,176 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 201 states to 201 states and 201 transitions. [2018-07-23 13:43:00,177 INFO L78 Accepts]: Start accepts. Automaton has 201 states and 201 transitions. Word has length 198 [2018-07-23 13:43:00,177 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-07-23 13:43:00,177 INFO L471 AbstractCegarLoop]: Abstraction has 201 states and 201 transitions. [2018-07-23 13:43:00,177 INFO L472 AbstractCegarLoop]: Interpolant automaton has 101 states. [2018-07-23 13:43:00,177 INFO L276 IsEmpty]: Start isEmpty. Operand 201 states and 201 transitions. [2018-07-23 13:43:00,178 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 201 [2018-07-23 13:43:00,178 INFO L349 BasicCegarLoop]: Found error trace [2018-07-23 13:43:00,178 INFO L357 BasicCegarLoop]: trace histogram [99, 98, 1, 1, 1] [2018-07-23 13:43:00,178 INFO L414 AbstractCegarLoop]: === Iteration 99 === [ULTIMATE.startErr0AssertViolationASSERT]=== [2018-07-23 13:43:00,178 INFO L82 PathProgramCache]: Analyzing trace with hash -680345873, now seen corresponding path program 98 times [2018-07-23 13:43:00,178 INFO L69 tionRefinementEngine]: Using refinement strategy FixedRefinementStrategy [2018-07-23 13:43:00,359 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-07-23 13:43:01,419 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 13:43:01,420 INFO L309 seRefinementStrategy]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2018-07-23 13:43:01,420 INFO L324 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [101] total 101 [2018-07-23 13:43:01,420 INFO L142 lantAutomatonBuilder]: Constructing canonical interpolant automaton, with selfloop in false state [2018-07-23 13:43:01,420 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-07-23 13:43:01,421 INFO L185 omatonBuilderFactory]: Interpolants [46592#(<= 18960 (+ ULTIMATE.start_main_~x~4 (* 21 ULTIMATE.start_main_~y~4))), 46593#(<= 19040 (+ ULTIMATE.start_main_~x~4 (* 20 ULTIMATE.start_main_~y~4))), 46594#(<= 19116 (+ ULTIMATE.start_main_~x~4 (* 19 ULTIMATE.start_main_~y~4))), 46595#(<= 19188 (+ ULTIMATE.start_main_~x~4 (* 18 ULTIMATE.start_main_~y~4))), 46596#(<= 19256 (+ ULTIMATE.start_main_~x~4 (* 17 ULTIMATE.start_main_~y~4))), 46597#(<= 19320 (+ ULTIMATE.start_main_~x~4 (* 16 ULTIMATE.start_main_~y~4))), 46598#(<= 19380 (+ ULTIMATE.start_main_~x~4 (* 15 ULTIMATE.start_main_~y~4))), 46599#(<= 19436 (+ ULTIMATE.start_main_~x~4 (* 14 ULTIMATE.start_main_~y~4))), 46600#(<= 19488 (+ ULTIMATE.start_main_~x~4 (* 13 ULTIMATE.start_main_~y~4))), 46601#(<= 19536 (+ ULTIMATE.start_main_~x~4 (* 12 ULTIMATE.start_main_~y~4))), 46602#(<= 19580 (+ ULTIMATE.start_main_~x~4 (* 11 ULTIMATE.start_main_~y~4))), 46603#(<= 19620 (+ ULTIMATE.start_main_~x~4 (* 10 ULTIMATE.start_main_~y~4))), 46604#(<= 19656 (+ ULTIMATE.start_main_~x~4 (* 9 ULTIMATE.start_main_~y~4))), 46605#(<= 19688 (+ ULTIMATE.start_main_~x~4 (* 8 ULTIMATE.start_main_~y~4))), 46606#(<= 19716 (+ ULTIMATE.start_main_~x~4 (* 7 ULTIMATE.start_main_~y~4))), 46607#(<= 19740 (+ ULTIMATE.start_main_~x~4 (* 6 ULTIMATE.start_main_~y~4))), 46608#(<= 19760 (+ ULTIMATE.start_main_~x~4 (* 5 ULTIMATE.start_main_~y~4))), 46609#(<= 19776 (+ ULTIMATE.start_main_~x~4 (* 4 ULTIMATE.start_main_~y~4))), 46610#(<= 19788 (+ ULTIMATE.start_main_~x~4 (* 3 ULTIMATE.start_main_~y~4))), 46611#(<= 19796 (+ ULTIMATE.start_main_~x~4 (* 2 ULTIMATE.start_main_~y~4))), 46612#(<= 19800 (+ ULTIMATE.start_main_~x~4 ULTIMATE.start_main_~y~4)), 46613#(<= 1 ULTIMATE.start___VERIFIER_assert_~cond), 46512#true, 46513#false, 46514#(<= 396 (+ ULTIMATE.start_main_~x~4 (* 99 ULTIMATE.start_main_~y~4))), 46515#(<= 788 (+ ULTIMATE.start_main_~x~4 (* 98 ULTIMATE.start_main_~y~4))), 46516#(<= 1176 (+ ULTIMATE.start_main_~x~4 (* 97 ULTIMATE.start_main_~y~4))), 46517#(<= 1560 (+ ULTIMATE.start_main_~x~4 (* 96 ULTIMATE.start_main_~y~4))), 46518#(<= 1940 (+ ULTIMATE.start_main_~x~4 (* 95 ULTIMATE.start_main_~y~4))), 46519#(<= 2316 (+ ULTIMATE.start_main_~x~4 (* 94 ULTIMATE.start_main_~y~4))), 46520#(<= 2688 (+ ULTIMATE.start_main_~x~4 (* 93 ULTIMATE.start_main_~y~4))), 46521#(<= 3056 (+ ULTIMATE.start_main_~x~4 (* 92 ULTIMATE.start_main_~y~4))), 46522#(<= 3420 (+ ULTIMATE.start_main_~x~4 (* 91 ULTIMATE.start_main_~y~4))), 46523#(<= 3780 (+ ULTIMATE.start_main_~x~4 (* 90 ULTIMATE.start_main_~y~4))), 46524#(<= 4136 (+ ULTIMATE.start_main_~x~4 (* 89 ULTIMATE.start_main_~y~4))), 46525#(<= 4488 (+ ULTIMATE.start_main_~x~4 (* 88 ULTIMATE.start_main_~y~4))), 46526#(<= 4836 (+ ULTIMATE.start_main_~x~4 (* 87 ULTIMATE.start_main_~y~4))), 46527#(<= 5180 (+ ULTIMATE.start_main_~x~4 (* 86 ULTIMATE.start_main_~y~4))), 46528#(<= 5520 (+ ULTIMATE.start_main_~x~4 (* 85 ULTIMATE.start_main_~y~4))), 46529#(<= 5856 (+ ULTIMATE.start_main_~x~4 (* 84 ULTIMATE.start_main_~y~4))), 46530#(<= 6188 (+ ULTIMATE.start_main_~x~4 (* 83 ULTIMATE.start_main_~y~4))), 46531#(<= 6516 (+ ULTIMATE.start_main_~x~4 (* 82 ULTIMATE.start_main_~y~4))), 46532#(<= 6840 (+ ULTIMATE.start_main_~x~4 (* 81 ULTIMATE.start_main_~y~4))), 46533#(<= 7160 (+ ULTIMATE.start_main_~x~4 (* 80 ULTIMATE.start_main_~y~4))), 46534#(<= 7476 (+ ULTIMATE.start_main_~x~4 (* 79 ULTIMATE.start_main_~y~4))), 46535#(<= 7788 (+ ULTIMATE.start_main_~x~4 (* 78 ULTIMATE.start_main_~y~4))), 46536#(<= 8096 (+ ULTIMATE.start_main_~x~4 (* 77 ULTIMATE.start_main_~y~4))), 46537#(<= 8400 (+ ULTIMATE.start_main_~x~4 (* 76 ULTIMATE.start_main_~y~4))), 46538#(<= 8700 (+ ULTIMATE.start_main_~x~4 (* 75 ULTIMATE.start_main_~y~4))), 46539#(<= 8996 (+ ULTIMATE.start_main_~x~4 (* 74 ULTIMATE.start_main_~y~4))), 46540#(<= 9288 (+ ULTIMATE.start_main_~x~4 (* 73 ULTIMATE.start_main_~y~4))), 46541#(<= 9576 (+ ULTIMATE.start_main_~x~4 (* 72 ULTIMATE.start_main_~y~4))), 46542#(<= 9860 (+ ULTIMATE.start_main_~x~4 (* 71 ULTIMATE.start_main_~y~4))), 46543#(<= 10140 (+ ULTIMATE.start_main_~x~4 (* 70 ULTIMATE.start_main_~y~4))), 46544#(<= 10416 (+ ULTIMATE.start_main_~x~4 (* 69 ULTIMATE.start_main_~y~4))), 46545#(<= 10688 (+ ULTIMATE.start_main_~x~4 (* 68 ULTIMATE.start_main_~y~4))), 46546#(<= 10956 (+ ULTIMATE.start_main_~x~4 (* 67 ULTIMATE.start_main_~y~4))), 46547#(<= 11220 (+ ULTIMATE.start_main_~x~4 (* 66 ULTIMATE.start_main_~y~4))), 46548#(<= 11480 (+ ULTIMATE.start_main_~x~4 (* 65 ULTIMATE.start_main_~y~4))), 46549#(<= 11736 (+ ULTIMATE.start_main_~x~4 (* 64 ULTIMATE.start_main_~y~4))), 46550#(<= 11988 (+ ULTIMATE.start_main_~x~4 (* 63 ULTIMATE.start_main_~y~4))), 46551#(<= 12236 (+ ULTIMATE.start_main_~x~4 (* 62 ULTIMATE.start_main_~y~4))), 46552#(<= 12480 (+ ULTIMATE.start_main_~x~4 (* 61 ULTIMATE.start_main_~y~4))), 46553#(<= 12720 (+ ULTIMATE.start_main_~x~4 (* 60 ULTIMATE.start_main_~y~4))), 46554#(<= 12956 (+ ULTIMATE.start_main_~x~4 (* 59 ULTIMATE.start_main_~y~4))), 46555#(<= 13188 (+ ULTIMATE.start_main_~x~4 (* 58 ULTIMATE.start_main_~y~4))), 46556#(<= 13416 (+ ULTIMATE.start_main_~x~4 (* 57 ULTIMATE.start_main_~y~4))), 46557#(<= 13640 (+ ULTIMATE.start_main_~x~4 (* 56 ULTIMATE.start_main_~y~4))), 46558#(<= 13860 (+ ULTIMATE.start_main_~x~4 (* 55 ULTIMATE.start_main_~y~4))), 46559#(<= 14076 (+ ULTIMATE.start_main_~x~4 (* 54 ULTIMATE.start_main_~y~4))), 46560#(<= 14288 (+ ULTIMATE.start_main_~x~4 (* 53 ULTIMATE.start_main_~y~4))), 46561#(<= 14496 (+ ULTIMATE.start_main_~x~4 (* 52 ULTIMATE.start_main_~y~4))), 46562#(<= 14700 (+ ULTIMATE.start_main_~x~4 (* 51 ULTIMATE.start_main_~y~4))), 46563#(<= 14900 (+ ULTIMATE.start_main_~x~4 (* 50 ULTIMATE.start_main_~y~4))), 46564#(<= 15096 (+ ULTIMATE.start_main_~x~4 (* 49 ULTIMATE.start_main_~y~4))), 46565#(<= 15288 (+ ULTIMATE.start_main_~x~4 (* 48 ULTIMATE.start_main_~y~4))), 46566#(<= 15476 (+ ULTIMATE.start_main_~x~4 (* 47 ULTIMATE.start_main_~y~4))), 46567#(<= 15660 (+ ULTIMATE.start_main_~x~4 (* 46 ULTIMATE.start_main_~y~4))), 46568#(<= 15840 (+ ULTIMATE.start_main_~x~4 (* 45 ULTIMATE.start_main_~y~4))), 46569#(<= 16016 (+ ULTIMATE.start_main_~x~4 (* 44 ULTIMATE.start_main_~y~4))), 46570#(<= 16188 (+ ULTIMATE.start_main_~x~4 (* 43 ULTIMATE.start_main_~y~4))), 46571#(<= 16356 (+ ULTIMATE.start_main_~x~4 (* 42 ULTIMATE.start_main_~y~4))), 46572#(<= 16520 (+ ULTIMATE.start_main_~x~4 (* 41 ULTIMATE.start_main_~y~4))), 46573#(<= 16680 (+ ULTIMATE.start_main_~x~4 (* 40 ULTIMATE.start_main_~y~4))), 46574#(<= 16836 (+ ULTIMATE.start_main_~x~4 (* 39 ULTIMATE.start_main_~y~4))), 46575#(<= 16988 (+ ULTIMATE.start_main_~x~4 (* 38 ULTIMATE.start_main_~y~4))), 46576#(<= 17136 (+ ULTIMATE.start_main_~x~4 (* 37 ULTIMATE.start_main_~y~4))), 46577#(<= 17280 (+ ULTIMATE.start_main_~x~4 (* 36 ULTIMATE.start_main_~y~4))), 46578#(<= 17420 (+ ULTIMATE.start_main_~x~4 (* 35 ULTIMATE.start_main_~y~4))), 46579#(<= 17556 (+ ULTIMATE.start_main_~x~4 (* 34 ULTIMATE.start_main_~y~4))), 46580#(<= 17688 (+ ULTIMATE.start_main_~x~4 (* 33 ULTIMATE.start_main_~y~4))), 46581#(<= 17816 (+ ULTIMATE.start_main_~x~4 (* 32 ULTIMATE.start_main_~y~4))), 46582#(<= 17940 (+ ULTIMATE.start_main_~x~4 (* 31 ULTIMATE.start_main_~y~4))), 46583#(<= 18060 (+ ULTIMATE.start_main_~x~4 (* 30 ULTIMATE.start_main_~y~4))), 46584#(<= 18176 (+ ULTIMATE.start_main_~x~4 (* 29 ULTIMATE.start_main_~y~4))), 46585#(<= 18288 (+ ULTIMATE.start_main_~x~4 (* 28 ULTIMATE.start_main_~y~4))), 46586#(<= 18396 (+ ULTIMATE.start_main_~x~4 (* 27 ULTIMATE.start_main_~y~4))), 46587#(<= 18500 (+ ULTIMATE.start_main_~x~4 (* 26 ULTIMATE.start_main_~y~4))), 46588#(<= 18600 (+ ULTIMATE.start_main_~x~4 (* 25 ULTIMATE.start_main_~y~4))), 46589#(<= 18696 (+ ULTIMATE.start_main_~x~4 (* 24 ULTIMATE.start_main_~y~4))), 46590#(<= 18788 (+ ULTIMATE.start_main_~x~4 (* 23 ULTIMATE.start_main_~y~4))), 46591#(<= 18876 (+ ULTIMATE.start_main_~x~4 (* 22 ULTIMATE.start_main_~y~4)))] [2018-07-23 13:43:01,421 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 13:43:01,421 INFO L450 AbstractCegarLoop]: Interpolant automaton has 102 states [2018-07-23 13:43:01,422 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 102 interpolants. [2018-07-23 13:43:01,422 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=201, Invalid=10101, Unknown=0, NotChecked=0, Total=10302 [2018-07-23 13:43:01,422 INFO L87 Difference]: Start difference. First operand 201 states and 201 transitions. Second operand 102 states. [2018-07-23 13:43:03,145 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-07-23 13:43:03,145 INFO L93 Difference]: Finished difference Result 206 states and 206 transitions. [2018-07-23 13:43:03,145 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 102 states. [2018-07-23 13:43:03,145 INFO L78 Accepts]: Start accepts. Automaton has 102 states. Word has length 200 [2018-07-23 13:43:03,146 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-07-23 13:43:03,146 INFO L225 Difference]: With dead ends: 206 [2018-07-23 13:43:03,146 INFO L226 Difference]: Without dead ends: 204 [2018-07-23 13:43:03,147 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 13:43:03,148 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 204 states. [2018-07-23 13:43:03,226 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 204 to 203. [2018-07-23 13:43:03,226 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 203 states. [2018-07-23 13:43:03,226 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 203 states to 203 states and 203 transitions. [2018-07-23 13:43:03,227 INFO L78 Accepts]: Start accepts. Automaton has 203 states and 203 transitions. Word has length 200 [2018-07-23 13:43:03,227 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-07-23 13:43:03,227 INFO L471 AbstractCegarLoop]: Abstraction has 203 states and 203 transitions. [2018-07-23 13:43:03,227 INFO L472 AbstractCegarLoop]: Interpolant automaton has 102 states. [2018-07-23 13:43:03,227 INFO L276 IsEmpty]: Start isEmpty. Operand 203 states and 203 transitions. [2018-07-23 13:43:03,228 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 203 [2018-07-23 13:43:03,228 INFO L349 BasicCegarLoop]: Found error trace [2018-07-23 13:43:03,228 INFO L357 BasicCegarLoop]: trace histogram [100, 99, 1, 1, 1] [2018-07-23 13:43:03,229 INFO L414 AbstractCegarLoop]: === Iteration 100 === [ULTIMATE.startErr0AssertViolationASSERT]=== [2018-07-23 13:43:03,229 INFO L82 PathProgramCache]: Analyzing trace with hash -977408263, now seen corresponding path program 99 times [2018-07-23 13:43:03,229 INFO L69 tionRefinementEngine]: Using refinement strategy FixedRefinementStrategy [2018-07-23 13:43:03,463 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-07-23 13:43:04,705 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 13:43:04,705 INFO L309 seRefinementStrategy]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2018-07-23 13:43:04,706 INFO L324 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [102] total 102 [2018-07-23 13:43:04,706 INFO L142 lantAutomatonBuilder]: Constructing canonical interpolant automaton, with selfloop in false state [2018-07-23 13:43:04,706 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-07-23 13:43:04,707 INFO L185 omatonBuilderFactory]: Interpolants [47432#true, 47433#false, 47434#(<= 400 (+ ULTIMATE.start_main_~x~4 (* 100 ULTIMATE.start_main_~y~4))), 47435#(<= 796 (+ ULTIMATE.start_main_~x~4 (* 99 ULTIMATE.start_main_~y~4))), 47436#(<= 1188 (+ ULTIMATE.start_main_~x~4 (* 98 ULTIMATE.start_main_~y~4))), 47437#(<= 1576 (+ ULTIMATE.start_main_~x~4 (* 97 ULTIMATE.start_main_~y~4))), 47438#(<= 1960 (+ ULTIMATE.start_main_~x~4 (* 96 ULTIMATE.start_main_~y~4))), 47439#(<= 2340 (+ ULTIMATE.start_main_~x~4 (* 95 ULTIMATE.start_main_~y~4))), 47440#(<= 2716 (+ ULTIMATE.start_main_~x~4 (* 94 ULTIMATE.start_main_~y~4))), 47441#(<= 3088 (+ ULTIMATE.start_main_~x~4 (* 93 ULTIMATE.start_main_~y~4))), 47442#(<= 3456 (+ ULTIMATE.start_main_~x~4 (* 92 ULTIMATE.start_main_~y~4))), 47443#(<= 3820 (+ ULTIMATE.start_main_~x~4 (* 91 ULTIMATE.start_main_~y~4))), 47444#(<= 4180 (+ ULTIMATE.start_main_~x~4 (* 90 ULTIMATE.start_main_~y~4))), 47445#(<= 4536 (+ ULTIMATE.start_main_~x~4 (* 89 ULTIMATE.start_main_~y~4))), 47446#(<= 4888 (+ ULTIMATE.start_main_~x~4 (* 88 ULTIMATE.start_main_~y~4))), 47447#(<= 5236 (+ ULTIMATE.start_main_~x~4 (* 87 ULTIMATE.start_main_~y~4))), 47448#(<= 5580 (+ ULTIMATE.start_main_~x~4 (* 86 ULTIMATE.start_main_~y~4))), 47449#(<= 5920 (+ ULTIMATE.start_main_~x~4 (* 85 ULTIMATE.start_main_~y~4))), 47450#(<= 6256 (+ ULTIMATE.start_main_~x~4 (* 84 ULTIMATE.start_main_~y~4))), 47451#(<= 6588 (+ ULTIMATE.start_main_~x~4 (* 83 ULTIMATE.start_main_~y~4))), 47452#(<= 6916 (+ ULTIMATE.start_main_~x~4 (* 82 ULTIMATE.start_main_~y~4))), 47453#(<= 7240 (+ ULTIMATE.start_main_~x~4 (* 81 ULTIMATE.start_main_~y~4))), 47454#(<= 7560 (+ ULTIMATE.start_main_~x~4 (* 80 ULTIMATE.start_main_~y~4))), 47455#(<= 7876 (+ ULTIMATE.start_main_~x~4 (* 79 ULTIMATE.start_main_~y~4))), 47456#(<= 8188 (+ ULTIMATE.start_main_~x~4 (* 78 ULTIMATE.start_main_~y~4))), 47457#(<= 8496 (+ ULTIMATE.start_main_~x~4 (* 77 ULTIMATE.start_main_~y~4))), 47458#(<= 8800 (+ ULTIMATE.start_main_~x~4 (* 76 ULTIMATE.start_main_~y~4))), 47459#(<= 9100 (+ ULTIMATE.start_main_~x~4 (* 75 ULTIMATE.start_main_~y~4))), 47460#(<= 9396 (+ ULTIMATE.start_main_~x~4 (* 74 ULTIMATE.start_main_~y~4))), 47461#(<= 9688 (+ ULTIMATE.start_main_~x~4 (* 73 ULTIMATE.start_main_~y~4))), 47462#(<= 9976 (+ ULTIMATE.start_main_~x~4 (* 72 ULTIMATE.start_main_~y~4))), 47463#(<= 10260 (+ ULTIMATE.start_main_~x~4 (* 71 ULTIMATE.start_main_~y~4))), 47464#(<= 10540 (+ ULTIMATE.start_main_~x~4 (* 70 ULTIMATE.start_main_~y~4))), 47465#(<= 10816 (+ ULTIMATE.start_main_~x~4 (* 69 ULTIMATE.start_main_~y~4))), 47466#(<= 11088 (+ ULTIMATE.start_main_~x~4 (* 68 ULTIMATE.start_main_~y~4))), 47467#(<= 11356 (+ ULTIMATE.start_main_~x~4 (* 67 ULTIMATE.start_main_~y~4))), 47468#(<= 11620 (+ ULTIMATE.start_main_~x~4 (* 66 ULTIMATE.start_main_~y~4))), 47469#(<= 11880 (+ ULTIMATE.start_main_~x~4 (* 65 ULTIMATE.start_main_~y~4))), 47470#(<= 12136 (+ ULTIMATE.start_main_~x~4 (* 64 ULTIMATE.start_main_~y~4))), 47471#(<= 12388 (+ ULTIMATE.start_main_~x~4 (* 63 ULTIMATE.start_main_~y~4))), 47472#(<= 12636 (+ ULTIMATE.start_main_~x~4 (* 62 ULTIMATE.start_main_~y~4))), 47473#(<= 12880 (+ ULTIMATE.start_main_~x~4 (* 61 ULTIMATE.start_main_~y~4))), 47474#(<= 13120 (+ ULTIMATE.start_main_~x~4 (* 60 ULTIMATE.start_main_~y~4))), 47475#(<= 13356 (+ ULTIMATE.start_main_~x~4 (* 59 ULTIMATE.start_main_~y~4))), 47476#(<= 13588 (+ ULTIMATE.start_main_~x~4 (* 58 ULTIMATE.start_main_~y~4))), 47477#(<= 13816 (+ ULTIMATE.start_main_~x~4 (* 57 ULTIMATE.start_main_~y~4))), 47478#(<= 14040 (+ ULTIMATE.start_main_~x~4 (* 56 ULTIMATE.start_main_~y~4))), 47479#(<= 14260 (+ ULTIMATE.start_main_~x~4 (* 55 ULTIMATE.start_main_~y~4))), 47480#(<= 14476 (+ ULTIMATE.start_main_~x~4 (* 54 ULTIMATE.start_main_~y~4))), 47481#(<= 14688 (+ ULTIMATE.start_main_~x~4 (* 53 ULTIMATE.start_main_~y~4))), 47482#(<= 14896 (+ ULTIMATE.start_main_~x~4 (* 52 ULTIMATE.start_main_~y~4))), 47483#(<= 15100 (+ ULTIMATE.start_main_~x~4 (* 51 ULTIMATE.start_main_~y~4))), 47484#(<= 15300 (+ ULTIMATE.start_main_~x~4 (* 50 ULTIMATE.start_main_~y~4))), 47485#(<= 15496 (+ ULTIMATE.start_main_~x~4 (* 49 ULTIMATE.start_main_~y~4))), 47486#(<= 15688 (+ ULTIMATE.start_main_~x~4 (* 48 ULTIMATE.start_main_~y~4))), 47487#(<= 15876 (+ ULTIMATE.start_main_~x~4 (* 47 ULTIMATE.start_main_~y~4))), 47488#(<= 16060 (+ ULTIMATE.start_main_~x~4 (* 46 ULTIMATE.start_main_~y~4))), 47489#(<= 16240 (+ ULTIMATE.start_main_~x~4 (* 45 ULTIMATE.start_main_~y~4))), 47490#(<= 16416 (+ ULTIMATE.start_main_~x~4 (* 44 ULTIMATE.start_main_~y~4))), 47491#(<= 16588 (+ ULTIMATE.start_main_~x~4 (* 43 ULTIMATE.start_main_~y~4))), 47492#(<= 16756 (+ ULTIMATE.start_main_~x~4 (* 42 ULTIMATE.start_main_~y~4))), 47493#(<= 16920 (+ ULTIMATE.start_main_~x~4 (* 41 ULTIMATE.start_main_~y~4))), 47494#(<= 17080 (+ ULTIMATE.start_main_~x~4 (* 40 ULTIMATE.start_main_~y~4))), 47495#(<= 17236 (+ ULTIMATE.start_main_~x~4 (* 39 ULTIMATE.start_main_~y~4))), 47496#(<= 17388 (+ ULTIMATE.start_main_~x~4 (* 38 ULTIMATE.start_main_~y~4))), 47497#(<= 17536 (+ ULTIMATE.start_main_~x~4 (* 37 ULTIMATE.start_main_~y~4))), 47498#(<= 17680 (+ ULTIMATE.start_main_~x~4 (* 36 ULTIMATE.start_main_~y~4))), 47499#(<= 17820 (+ ULTIMATE.start_main_~x~4 (* 35 ULTIMATE.start_main_~y~4))), 47500#(<= 17956 (+ ULTIMATE.start_main_~x~4 (* 34 ULTIMATE.start_main_~y~4))), 47501#(<= 18088 (+ ULTIMATE.start_main_~x~4 (* 33 ULTIMATE.start_main_~y~4))), 47502#(<= 18216 (+ ULTIMATE.start_main_~x~4 (* 32 ULTIMATE.start_main_~y~4))), 47503#(<= 18340 (+ ULTIMATE.start_main_~x~4 (* 31 ULTIMATE.start_main_~y~4))), 47504#(<= 18460 (+ ULTIMATE.start_main_~x~4 (* 30 ULTIMATE.start_main_~y~4))), 47505#(<= 18576 (+ ULTIMATE.start_main_~x~4 (* 29 ULTIMATE.start_main_~y~4))), 47506#(<= 18688 (+ ULTIMATE.start_main_~x~4 (* 28 ULTIMATE.start_main_~y~4))), 47507#(<= 18796 (+ ULTIMATE.start_main_~x~4 (* 27 ULTIMATE.start_main_~y~4))), 47508#(<= 18900 (+ ULTIMATE.start_main_~x~4 (* 26 ULTIMATE.start_main_~y~4))), 47509#(<= 19000 (+ ULTIMATE.start_main_~x~4 (* 25 ULTIMATE.start_main_~y~4))), 47510#(<= 19096 (+ ULTIMATE.start_main_~x~4 (* 24 ULTIMATE.start_main_~y~4))), 47511#(<= 19188 (+ ULTIMATE.start_main_~x~4 (* 23 ULTIMATE.start_main_~y~4))), 47512#(<= 19276 (+ ULTIMATE.start_main_~x~4 (* 22 ULTIMATE.start_main_~y~4))), 47513#(<= 19360 (+ ULTIMATE.start_main_~x~4 (* 21 ULTIMATE.start_main_~y~4))), 47514#(<= 19440 (+ ULTIMATE.start_main_~x~4 (* 20 ULTIMATE.start_main_~y~4))), 47515#(<= 19516 (+ ULTIMATE.start_main_~x~4 (* 19 ULTIMATE.start_main_~y~4))), 47516#(<= 19588 (+ ULTIMATE.start_main_~x~4 (* 18 ULTIMATE.start_main_~y~4))), 47517#(<= 19656 (+ ULTIMATE.start_main_~x~4 (* 17 ULTIMATE.start_main_~y~4))), 47518#(<= 19720 (+ ULTIMATE.start_main_~x~4 (* 16 ULTIMATE.start_main_~y~4))), 47519#(<= 19780 (+ ULTIMATE.start_main_~x~4 (* 15 ULTIMATE.start_main_~y~4))), 47520#(<= 19836 (+ ULTIMATE.start_main_~x~4 (* 14 ULTIMATE.start_main_~y~4))), 47521#(<= 19888 (+ ULTIMATE.start_main_~x~4 (* 13 ULTIMATE.start_main_~y~4))), 47522#(<= 19936 (+ ULTIMATE.start_main_~x~4 (* 12 ULTIMATE.start_main_~y~4))), 47523#(<= 19980 (+ ULTIMATE.start_main_~x~4 (* 11 ULTIMATE.start_main_~y~4))), 47524#(<= 20020 (+ ULTIMATE.start_main_~x~4 (* 10 ULTIMATE.start_main_~y~4))), 47525#(<= 20056 (+ ULTIMATE.start_main_~x~4 (* 9 ULTIMATE.start_main_~y~4))), 47526#(<= 20088 (+ ULTIMATE.start_main_~x~4 (* 8 ULTIMATE.start_main_~y~4))), 47527#(<= 20116 (+ ULTIMATE.start_main_~x~4 (* 7 ULTIMATE.start_main_~y~4))), 47528#(<= 20140 (+ ULTIMATE.start_main_~x~4 (* 6 ULTIMATE.start_main_~y~4))), 47529#(<= 20160 (+ ULTIMATE.start_main_~x~4 (* 5 ULTIMATE.start_main_~y~4))), 47530#(<= 20176 (+ ULTIMATE.start_main_~x~4 (* 4 ULTIMATE.start_main_~y~4))), 47531#(<= 20188 (+ ULTIMATE.start_main_~x~4 (* 3 ULTIMATE.start_main_~y~4))), 47532#(<= 20196 (+ ULTIMATE.start_main_~x~4 (* 2 ULTIMATE.start_main_~y~4))), 47533#(<= 20200 (+ ULTIMATE.start_main_~x~4 ULTIMATE.start_main_~y~4)), 47534#(<= 1 ULTIMATE.start___VERIFIER_assert_~cond)] [2018-07-23 13:43:04,707 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 13:43:04,708 INFO L450 AbstractCegarLoop]: Interpolant automaton has 103 states [2018-07-23 13:43:04,708 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 103 interpolants. [2018-07-23 13:43:04,709 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=203, Invalid=10303, Unknown=0, NotChecked=0, Total=10506 [2018-07-23 13:43:04,709 INFO L87 Difference]: Start difference. First operand 203 states and 203 transitions. Second operand 103 states. [2018-07-23 13:43:06,529 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-07-23 13:43:06,530 INFO L93 Difference]: Finished difference Result 208 states and 208 transitions. [2018-07-23 13:43:06,530 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 103 states. [2018-07-23 13:43:06,530 INFO L78 Accepts]: Start accepts. Automaton has 103 states. Word has length 202 [2018-07-23 13:43:06,530 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-07-23 13:43:06,531 INFO L225 Difference]: With dead ends: 208 [2018-07-23 13:43:06,531 INFO L226 Difference]: Without dead ends: 206 [2018-07-23 13:43:06,532 INFO L575 BasicCegarLoop]: 0 DeclaredPredicates, 102 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 101 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.6s TimeCoverageRelationStatistics Valid=203, Invalid=10303, Unknown=0, NotChecked=0, Total=10506 [2018-07-23 13:43:06,532 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 206 states. [2018-07-23 13:43:06,601 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 206 to 205. [2018-07-23 13:43:06,602 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 205 states. [2018-07-23 13:43:06,602 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 205 states to 205 states and 205 transitions. [2018-07-23 13:43:06,602 INFO L78 Accepts]: Start accepts. Automaton has 205 states and 205 transitions. Word has length 202 [2018-07-23 13:43:06,602 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-07-23 13:43:06,602 INFO L471 AbstractCegarLoop]: Abstraction has 205 states and 205 transitions. [2018-07-23 13:43:06,602 INFO L472 AbstractCegarLoop]: Interpolant automaton has 103 states. [2018-07-23 13:43:06,602 INFO L276 IsEmpty]: Start isEmpty. Operand 205 states and 205 transitions. [2018-07-23 13:43:06,603 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 205 [2018-07-23 13:43:06,603 INFO L349 BasicCegarLoop]: Found error trace [2018-07-23 13:43:06,604 INFO L357 BasicCegarLoop]: trace histogram [101, 100, 1, 1, 1] [2018-07-23 13:43:06,604 INFO L414 AbstractCegarLoop]: === Iteration 101 === [ULTIMATE.startErr0AssertViolationASSERT]=== [2018-07-23 13:43:06,604 INFO L82 PathProgramCache]: Analyzing trace with hash 1308443779, now seen corresponding path program 100 times [2018-07-23 13:43:06,604 INFO L69 tionRefinementEngine]: Using refinement strategy FixedRefinementStrategy [2018-07-23 13:43:06,819 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-07-23 13:43:07,883 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 13:43:07,884 INFO L309 seRefinementStrategy]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2018-07-23 13:43:07,884 INFO L324 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [103] total 103 [2018-07-23 13:43:07,884 INFO L142 lantAutomatonBuilder]: Constructing canonical interpolant automaton, with selfloop in false state [2018-07-23 13:43:07,884 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-07-23 13:43:07,885 INFO L185 omatonBuilderFactory]: Interpolants [48384#(<= 7964 (+ ULTIMATE.start_main_~x~4 (* 80 ULTIMATE.start_main_~y~4))), 48385#(<= 8280 (+ ULTIMATE.start_main_~x~4 (* 79 ULTIMATE.start_main_~y~4))), 48386#(<= 8592 (+ ULTIMATE.start_main_~x~4 (* 78 ULTIMATE.start_main_~y~4))), 48387#(<= 8900 (+ ULTIMATE.start_main_~x~4 (* 77 ULTIMATE.start_main_~y~4))), 48388#(<= 9204 (+ ULTIMATE.start_main_~x~4 (* 76 ULTIMATE.start_main_~y~4))), 48389#(<= 9504 (+ ULTIMATE.start_main_~x~4 (* 75 ULTIMATE.start_main_~y~4))), 48390#(<= 9800 (+ ULTIMATE.start_main_~x~4 (* 74 ULTIMATE.start_main_~y~4))), 48391#(<= 10092 (+ ULTIMATE.start_main_~x~4 (* 73 ULTIMATE.start_main_~y~4))), 48392#(<= 10380 (+ ULTIMATE.start_main_~x~4 (* 72 ULTIMATE.start_main_~y~4))), 48393#(<= 10664 (+ ULTIMATE.start_main_~x~4 (* 71 ULTIMATE.start_main_~y~4))), 48394#(<= 10944 (+ ULTIMATE.start_main_~x~4 (* 70 ULTIMATE.start_main_~y~4))), 48395#(<= 11220 (+ ULTIMATE.start_main_~x~4 (* 69 ULTIMATE.start_main_~y~4))), 48396#(<= 11492 (+ ULTIMATE.start_main_~x~4 (* 68 ULTIMATE.start_main_~y~4))), 48397#(<= 11760 (+ ULTIMATE.start_main_~x~4 (* 67 ULTIMATE.start_main_~y~4))), 48398#(<= 12024 (+ ULTIMATE.start_main_~x~4 (* 66 ULTIMATE.start_main_~y~4))), 48399#(<= 12284 (+ ULTIMATE.start_main_~x~4 (* 65 ULTIMATE.start_main_~y~4))), 48400#(<= 12540 (+ ULTIMATE.start_main_~x~4 (* 64 ULTIMATE.start_main_~y~4))), 48401#(<= 12792 (+ ULTIMATE.start_main_~x~4 (* 63 ULTIMATE.start_main_~y~4))), 48402#(<= 13040 (+ ULTIMATE.start_main_~x~4 (* 62 ULTIMATE.start_main_~y~4))), 48403#(<= 13284 (+ ULTIMATE.start_main_~x~4 (* 61 ULTIMATE.start_main_~y~4))), 48404#(<= 13524 (+ ULTIMATE.start_main_~x~4 (* 60 ULTIMATE.start_main_~y~4))), 48405#(<= 13760 (+ ULTIMATE.start_main_~x~4 (* 59 ULTIMATE.start_main_~y~4))), 48406#(<= 13992 (+ ULTIMATE.start_main_~x~4 (* 58 ULTIMATE.start_main_~y~4))), 48407#(<= 14220 (+ ULTIMATE.start_main_~x~4 (* 57 ULTIMATE.start_main_~y~4))), 48408#(<= 14444 (+ ULTIMATE.start_main_~x~4 (* 56 ULTIMATE.start_main_~y~4))), 48409#(<= 14664 (+ ULTIMATE.start_main_~x~4 (* 55 ULTIMATE.start_main_~y~4))), 48410#(<= 14880 (+ ULTIMATE.start_main_~x~4 (* 54 ULTIMATE.start_main_~y~4))), 48411#(<= 15092 (+ ULTIMATE.start_main_~x~4 (* 53 ULTIMATE.start_main_~y~4))), 48412#(<= 15300 (+ ULTIMATE.start_main_~x~4 (* 52 ULTIMATE.start_main_~y~4))), 48413#(<= 15504 (+ ULTIMATE.start_main_~x~4 (* 51 ULTIMATE.start_main_~y~4))), 48414#(<= 15704 (+ ULTIMATE.start_main_~x~4 (* 50 ULTIMATE.start_main_~y~4))), 48415#(<= 15900 (+ ULTIMATE.start_main_~x~4 (* 49 ULTIMATE.start_main_~y~4))), 48416#(<= 16092 (+ ULTIMATE.start_main_~x~4 (* 48 ULTIMATE.start_main_~y~4))), 48417#(<= 16280 (+ ULTIMATE.start_main_~x~4 (* 47 ULTIMATE.start_main_~y~4))), 48418#(<= 16464 (+ ULTIMATE.start_main_~x~4 (* 46 ULTIMATE.start_main_~y~4))), 48419#(<= 16644 (+ ULTIMATE.start_main_~x~4 (* 45 ULTIMATE.start_main_~y~4))), 48420#(<= 16820 (+ ULTIMATE.start_main_~x~4 (* 44 ULTIMATE.start_main_~y~4))), 48421#(<= 16992 (+ ULTIMATE.start_main_~x~4 (* 43 ULTIMATE.start_main_~y~4))), 48422#(<= 17160 (+ ULTIMATE.start_main_~x~4 (* 42 ULTIMATE.start_main_~y~4))), 48423#(<= 17324 (+ ULTIMATE.start_main_~x~4 (* 41 ULTIMATE.start_main_~y~4))), 48424#(<= 17484 (+ ULTIMATE.start_main_~x~4 (* 40 ULTIMATE.start_main_~y~4))), 48425#(<= 17640 (+ ULTIMATE.start_main_~x~4 (* 39 ULTIMATE.start_main_~y~4))), 48426#(<= 17792 (+ ULTIMATE.start_main_~x~4 (* 38 ULTIMATE.start_main_~y~4))), 48427#(<= 17940 (+ ULTIMATE.start_main_~x~4 (* 37 ULTIMATE.start_main_~y~4))), 48428#(<= 18084 (+ ULTIMATE.start_main_~x~4 (* 36 ULTIMATE.start_main_~y~4))), 48429#(<= 18224 (+ ULTIMATE.start_main_~x~4 (* 35 ULTIMATE.start_main_~y~4))), 48430#(<= 18360 (+ ULTIMATE.start_main_~x~4 (* 34 ULTIMATE.start_main_~y~4))), 48431#(<= 18492 (+ ULTIMATE.start_main_~x~4 (* 33 ULTIMATE.start_main_~y~4))), 48432#(<= 18620 (+ ULTIMATE.start_main_~x~4 (* 32 ULTIMATE.start_main_~y~4))), 48433#(<= 18744 (+ ULTIMATE.start_main_~x~4 (* 31 ULTIMATE.start_main_~y~4))), 48434#(<= 18864 (+ ULTIMATE.start_main_~x~4 (* 30 ULTIMATE.start_main_~y~4))), 48435#(<= 18980 (+ ULTIMATE.start_main_~x~4 (* 29 ULTIMATE.start_main_~y~4))), 48436#(<= 19092 (+ ULTIMATE.start_main_~x~4 (* 28 ULTIMATE.start_main_~y~4))), 48437#(<= 19200 (+ ULTIMATE.start_main_~x~4 (* 27 ULTIMATE.start_main_~y~4))), 48438#(<= 19304 (+ ULTIMATE.start_main_~x~4 (* 26 ULTIMATE.start_main_~y~4))), 48439#(<= 19404 (+ ULTIMATE.start_main_~x~4 (* 25 ULTIMATE.start_main_~y~4))), 48440#(<= 19500 (+ ULTIMATE.start_main_~x~4 (* 24 ULTIMATE.start_main_~y~4))), 48441#(<= 19592 (+ ULTIMATE.start_main_~x~4 (* 23 ULTIMATE.start_main_~y~4))), 48442#(<= 19680 (+ ULTIMATE.start_main_~x~4 (* 22 ULTIMATE.start_main_~y~4))), 48443#(<= 19764 (+ ULTIMATE.start_main_~x~4 (* 21 ULTIMATE.start_main_~y~4))), 48444#(<= 19844 (+ ULTIMATE.start_main_~x~4 (* 20 ULTIMATE.start_main_~y~4))), 48445#(<= 19920 (+ ULTIMATE.start_main_~x~4 (* 19 ULTIMATE.start_main_~y~4))), 48446#(<= 19992 (+ ULTIMATE.start_main_~x~4 (* 18 ULTIMATE.start_main_~y~4))), 48447#(<= 20060 (+ ULTIMATE.start_main_~x~4 (* 17 ULTIMATE.start_main_~y~4))), 48448#(<= 20124 (+ ULTIMATE.start_main_~x~4 (* 16 ULTIMATE.start_main_~y~4))), 48449#(<= 20184 (+ ULTIMATE.start_main_~x~4 (* 15 ULTIMATE.start_main_~y~4))), 48450#(<= 20240 (+ ULTIMATE.start_main_~x~4 (* 14 ULTIMATE.start_main_~y~4))), 48451#(<= 20292 (+ ULTIMATE.start_main_~x~4 (* 13 ULTIMATE.start_main_~y~4))), 48452#(<= 20340 (+ ULTIMATE.start_main_~x~4 (* 12 ULTIMATE.start_main_~y~4))), 48453#(<= 20384 (+ ULTIMATE.start_main_~x~4 (* 11 ULTIMATE.start_main_~y~4))), 48454#(<= 20424 (+ ULTIMATE.start_main_~x~4 (* 10 ULTIMATE.start_main_~y~4))), 48455#(<= 20460 (+ ULTIMATE.start_main_~x~4 (* 9 ULTIMATE.start_main_~y~4))), 48456#(<= 20492 (+ ULTIMATE.start_main_~x~4 (* 8 ULTIMATE.start_main_~y~4))), 48457#(<= 20520 (+ ULTIMATE.start_main_~x~4 (* 7 ULTIMATE.start_main_~y~4))), 48458#(<= 20544 (+ ULTIMATE.start_main_~x~4 (* 6 ULTIMATE.start_main_~y~4))), 48459#(<= 20564 (+ ULTIMATE.start_main_~x~4 (* 5 ULTIMATE.start_main_~y~4))), 48460#(<= 20580 (+ ULTIMATE.start_main_~x~4 (* 4 ULTIMATE.start_main_~y~4))), 48461#(<= 20592 (+ ULTIMATE.start_main_~x~4 (* 3 ULTIMATE.start_main_~y~4))), 48462#(<= 20600 (+ ULTIMATE.start_main_~x~4 (* 2 ULTIMATE.start_main_~y~4))), 48463#(<= 20604 (+ ULTIMATE.start_main_~x~4 ULTIMATE.start_main_~y~4)), 48464#(<= 1 ULTIMATE.start___VERIFIER_assert_~cond), 48361#true, 48362#false, 48363#(<= 404 (+ ULTIMATE.start_main_~x~4 (* 101 ULTIMATE.start_main_~y~4))), 48364#(<= 804 (+ ULTIMATE.start_main_~x~4 (* 100 ULTIMATE.start_main_~y~4))), 48365#(<= 1200 (+ ULTIMATE.start_main_~x~4 (* 99 ULTIMATE.start_main_~y~4))), 48366#(<= 1592 (+ ULTIMATE.start_main_~x~4 (* 98 ULTIMATE.start_main_~y~4))), 48367#(<= 1980 (+ ULTIMATE.start_main_~x~4 (* 97 ULTIMATE.start_main_~y~4))), 48368#(<= 2364 (+ ULTIMATE.start_main_~x~4 (* 96 ULTIMATE.start_main_~y~4))), 48369#(<= 2744 (+ ULTIMATE.start_main_~x~4 (* 95 ULTIMATE.start_main_~y~4))), 48370#(<= 3120 (+ ULTIMATE.start_main_~x~4 (* 94 ULTIMATE.start_main_~y~4))), 48371#(<= 3492 (+ ULTIMATE.start_main_~x~4 (* 93 ULTIMATE.start_main_~y~4))), 48372#(<= 3860 (+ ULTIMATE.start_main_~x~4 (* 92 ULTIMATE.start_main_~y~4))), 48373#(<= 4224 (+ ULTIMATE.start_main_~x~4 (* 91 ULTIMATE.start_main_~y~4))), 48374#(<= 4584 (+ ULTIMATE.start_main_~x~4 (* 90 ULTIMATE.start_main_~y~4))), 48375#(<= 4940 (+ ULTIMATE.start_main_~x~4 (* 89 ULTIMATE.start_main_~y~4))), 48376#(<= 5292 (+ ULTIMATE.start_main_~x~4 (* 88 ULTIMATE.start_main_~y~4))), 48377#(<= 5640 (+ ULTIMATE.start_main_~x~4 (* 87 ULTIMATE.start_main_~y~4))), 48378#(<= 5984 (+ ULTIMATE.start_main_~x~4 (* 86 ULTIMATE.start_main_~y~4))), 48379#(<= 6324 (+ ULTIMATE.start_main_~x~4 (* 85 ULTIMATE.start_main_~y~4))), 48380#(<= 6660 (+ ULTIMATE.start_main_~x~4 (* 84 ULTIMATE.start_main_~y~4))), 48381#(<= 6992 (+ ULTIMATE.start_main_~x~4 (* 83 ULTIMATE.start_main_~y~4))), 48382#(<= 7320 (+ ULTIMATE.start_main_~x~4 (* 82 ULTIMATE.start_main_~y~4))), 48383#(<= 7644 (+ ULTIMATE.start_main_~x~4 (* 81 ULTIMATE.start_main_~y~4)))] [2018-07-23 13:43:07,885 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 13:43:07,885 INFO L450 AbstractCegarLoop]: Interpolant automaton has 104 states [2018-07-23 13:43:07,886 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 104 interpolants. [2018-07-23 13:43:07,886 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=205, Invalid=10507, Unknown=0, NotChecked=0, Total=10712 [2018-07-23 13:43:07,886 INFO L87 Difference]: Start difference. First operand 205 states and 205 transitions. Second operand 104 states. [2018-07-23 13:43:09,809 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-07-23 13:43:09,810 INFO L93 Difference]: Finished difference Result 210 states and 210 transitions. [2018-07-23 13:43:09,810 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 104 states. [2018-07-23 13:43:09,810 INFO L78 Accepts]: Start accepts. Automaton has 104 states. Word has length 204 [2018-07-23 13:43:09,810 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-07-23 13:43:09,811 INFO L225 Difference]: With dead ends: 210 [2018-07-23 13:43:09,811 INFO L226 Difference]: Without dead ends: 208 [2018-07-23 13:43:09,812 INFO L575 BasicCegarLoop]: 0 DeclaredPredicates, 103 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 102 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.4s TimeCoverageRelationStatistics Valid=205, Invalid=10507, Unknown=0, NotChecked=0, Total=10712 [2018-07-23 13:43:09,812 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 208 states. [2018-07-23 13:43:09,881 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 208 to 207. [2018-07-23 13:43:09,882 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 207 states. [2018-07-23 13:43:09,882 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 207 states to 207 states and 207 transitions. [2018-07-23 13:43:09,882 INFO L78 Accepts]: Start accepts. Automaton has 207 states and 207 transitions. Word has length 204 [2018-07-23 13:43:09,882 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-07-23 13:43:09,882 INFO L471 AbstractCegarLoop]: Abstraction has 207 states and 207 transitions. [2018-07-23 13:43:09,882 INFO L472 AbstractCegarLoop]: Interpolant automaton has 104 states. [2018-07-23 13:43:09,882 INFO L276 IsEmpty]: Start isEmpty. Operand 207 states and 207 transitions. [2018-07-23 13:43:09,883 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 207 [2018-07-23 13:43:09,883 INFO L349 BasicCegarLoop]: Found error trace [2018-07-23 13:43:09,883 INFO L357 BasicCegarLoop]: trace histogram [102, 101, 1, 1, 1] [2018-07-23 13:43:09,883 INFO L414 AbstractCegarLoop]: === Iteration 102 === [ULTIMATE.startErr0AssertViolationASSERT]=== [2018-07-23 13:43:09,884 INFO L82 PathProgramCache]: Analyzing trace with hash -1010999411, now seen corresponding path program 101 times [2018-07-23 13:43:09,884 INFO L69 tionRefinementEngine]: Using refinement strategy FixedRefinementStrategy [2018-07-23 13:43:10,066 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-07-23 13:43:11,126 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 13:43:11,126 INFO L309 seRefinementStrategy]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2018-07-23 13:43:11,126 INFO L324 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [104] total 104 [2018-07-23 13:43:11,127 INFO L142 lantAutomatonBuilder]: Constructing canonical interpolant automaton, with selfloop in false state [2018-07-23 13:43:11,127 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-07-23 13:43:11,127 INFO L185 omatonBuilderFactory]: Interpolants [49299#true, 49300#false, 49301#(<= 408 (+ ULTIMATE.start_main_~x~4 (* 102 ULTIMATE.start_main_~y~4))), 49302#(<= 812 (+ ULTIMATE.start_main_~x~4 (* 101 ULTIMATE.start_main_~y~4))), 49303#(<= 1212 (+ ULTIMATE.start_main_~x~4 (* 100 ULTIMATE.start_main_~y~4))), 49304#(<= 1608 (+ ULTIMATE.start_main_~x~4 (* 99 ULTIMATE.start_main_~y~4))), 49305#(<= 2000 (+ ULTIMATE.start_main_~x~4 (* 98 ULTIMATE.start_main_~y~4))), 49306#(<= 2388 (+ ULTIMATE.start_main_~x~4 (* 97 ULTIMATE.start_main_~y~4))), 49307#(<= 2772 (+ ULTIMATE.start_main_~x~4 (* 96 ULTIMATE.start_main_~y~4))), 49308#(<= 3152 (+ ULTIMATE.start_main_~x~4 (* 95 ULTIMATE.start_main_~y~4))), 49309#(<= 3528 (+ ULTIMATE.start_main_~x~4 (* 94 ULTIMATE.start_main_~y~4))), 49310#(<= 3900 (+ ULTIMATE.start_main_~x~4 (* 93 ULTIMATE.start_main_~y~4))), 49311#(<= 4268 (+ ULTIMATE.start_main_~x~4 (* 92 ULTIMATE.start_main_~y~4))), 49312#(<= 4632 (+ ULTIMATE.start_main_~x~4 (* 91 ULTIMATE.start_main_~y~4))), 49313#(<= 4992 (+ ULTIMATE.start_main_~x~4 (* 90 ULTIMATE.start_main_~y~4))), 49314#(<= 5348 (+ ULTIMATE.start_main_~x~4 (* 89 ULTIMATE.start_main_~y~4))), 49315#(<= 5700 (+ ULTIMATE.start_main_~x~4 (* 88 ULTIMATE.start_main_~y~4))), 49316#(<= 6048 (+ ULTIMATE.start_main_~x~4 (* 87 ULTIMATE.start_main_~y~4))), 49317#(<= 6392 (+ ULTIMATE.start_main_~x~4 (* 86 ULTIMATE.start_main_~y~4))), 49318#(<= 6732 (+ ULTIMATE.start_main_~x~4 (* 85 ULTIMATE.start_main_~y~4))), 49319#(<= 7068 (+ ULTIMATE.start_main_~x~4 (* 84 ULTIMATE.start_main_~y~4))), 49320#(<= 7400 (+ ULTIMATE.start_main_~x~4 (* 83 ULTIMATE.start_main_~y~4))), 49321#(<= 7728 (+ ULTIMATE.start_main_~x~4 (* 82 ULTIMATE.start_main_~y~4))), 49322#(<= 8052 (+ ULTIMATE.start_main_~x~4 (* 81 ULTIMATE.start_main_~y~4))), 49323#(<= 8372 (+ ULTIMATE.start_main_~x~4 (* 80 ULTIMATE.start_main_~y~4))), 49324#(<= 8688 (+ ULTIMATE.start_main_~x~4 (* 79 ULTIMATE.start_main_~y~4))), 49325#(<= 9000 (+ ULTIMATE.start_main_~x~4 (* 78 ULTIMATE.start_main_~y~4))), 49326#(<= 9308 (+ ULTIMATE.start_main_~x~4 (* 77 ULTIMATE.start_main_~y~4))), 49327#(<= 9612 (+ ULTIMATE.start_main_~x~4 (* 76 ULTIMATE.start_main_~y~4))), 49328#(<= 9912 (+ ULTIMATE.start_main_~x~4 (* 75 ULTIMATE.start_main_~y~4))), 49329#(<= 10208 (+ ULTIMATE.start_main_~x~4 (* 74 ULTIMATE.start_main_~y~4))), 49330#(<= 10500 (+ ULTIMATE.start_main_~x~4 (* 73 ULTIMATE.start_main_~y~4))), 49331#(<= 10788 (+ ULTIMATE.start_main_~x~4 (* 72 ULTIMATE.start_main_~y~4))), 49332#(<= 11072 (+ ULTIMATE.start_main_~x~4 (* 71 ULTIMATE.start_main_~y~4))), 49333#(<= 11352 (+ ULTIMATE.start_main_~x~4 (* 70 ULTIMATE.start_main_~y~4))), 49334#(<= 11628 (+ ULTIMATE.start_main_~x~4 (* 69 ULTIMATE.start_main_~y~4))), 49335#(<= 11900 (+ ULTIMATE.start_main_~x~4 (* 68 ULTIMATE.start_main_~y~4))), 49336#(<= 12168 (+ ULTIMATE.start_main_~x~4 (* 67 ULTIMATE.start_main_~y~4))), 49337#(<= 12432 (+ ULTIMATE.start_main_~x~4 (* 66 ULTIMATE.start_main_~y~4))), 49338#(<= 12692 (+ ULTIMATE.start_main_~x~4 (* 65 ULTIMATE.start_main_~y~4))), 49339#(<= 12948 (+ ULTIMATE.start_main_~x~4 (* 64 ULTIMATE.start_main_~y~4))), 49340#(<= 13200 (+ ULTIMATE.start_main_~x~4 (* 63 ULTIMATE.start_main_~y~4))), 49341#(<= 13448 (+ ULTIMATE.start_main_~x~4 (* 62 ULTIMATE.start_main_~y~4))), 49342#(<= 13692 (+ ULTIMATE.start_main_~x~4 (* 61 ULTIMATE.start_main_~y~4))), 49343#(<= 13932 (+ ULTIMATE.start_main_~x~4 (* 60 ULTIMATE.start_main_~y~4))), 49344#(<= 14168 (+ ULTIMATE.start_main_~x~4 (* 59 ULTIMATE.start_main_~y~4))), 49345#(<= 14400 (+ ULTIMATE.start_main_~x~4 (* 58 ULTIMATE.start_main_~y~4))), 49346#(<= 14628 (+ ULTIMATE.start_main_~x~4 (* 57 ULTIMATE.start_main_~y~4))), 49347#(<= 14852 (+ ULTIMATE.start_main_~x~4 (* 56 ULTIMATE.start_main_~y~4))), 49348#(<= 15072 (+ ULTIMATE.start_main_~x~4 (* 55 ULTIMATE.start_main_~y~4))), 49349#(<= 15288 (+ ULTIMATE.start_main_~x~4 (* 54 ULTIMATE.start_main_~y~4))), 49350#(<= 15500 (+ ULTIMATE.start_main_~x~4 (* 53 ULTIMATE.start_main_~y~4))), 49351#(<= 15708 (+ ULTIMATE.start_main_~x~4 (* 52 ULTIMATE.start_main_~y~4))), 49352#(<= 15912 (+ ULTIMATE.start_main_~x~4 (* 51 ULTIMATE.start_main_~y~4))), 49353#(<= 16112 (+ ULTIMATE.start_main_~x~4 (* 50 ULTIMATE.start_main_~y~4))), 49354#(<= 16308 (+ ULTIMATE.start_main_~x~4 (* 49 ULTIMATE.start_main_~y~4))), 49355#(<= 16500 (+ ULTIMATE.start_main_~x~4 (* 48 ULTIMATE.start_main_~y~4))), 49356#(<= 16688 (+ ULTIMATE.start_main_~x~4 (* 47 ULTIMATE.start_main_~y~4))), 49357#(<= 16872 (+ ULTIMATE.start_main_~x~4 (* 46 ULTIMATE.start_main_~y~4))), 49358#(<= 17052 (+ ULTIMATE.start_main_~x~4 (* 45 ULTIMATE.start_main_~y~4))), 49359#(<= 17228 (+ ULTIMATE.start_main_~x~4 (* 44 ULTIMATE.start_main_~y~4))), 49360#(<= 17400 (+ ULTIMATE.start_main_~x~4 (* 43 ULTIMATE.start_main_~y~4))), 49361#(<= 17568 (+ ULTIMATE.start_main_~x~4 (* 42 ULTIMATE.start_main_~y~4))), 49362#(<= 17732 (+ ULTIMATE.start_main_~x~4 (* 41 ULTIMATE.start_main_~y~4))), 49363#(<= 17892 (+ ULTIMATE.start_main_~x~4 (* 40 ULTIMATE.start_main_~y~4))), 49364#(<= 18048 (+ ULTIMATE.start_main_~x~4 (* 39 ULTIMATE.start_main_~y~4))), 49365#(<= 18200 (+ ULTIMATE.start_main_~x~4 (* 38 ULTIMATE.start_main_~y~4))), 49366#(<= 18348 (+ ULTIMATE.start_main_~x~4 (* 37 ULTIMATE.start_main_~y~4))), 49367#(<= 18492 (+ ULTIMATE.start_main_~x~4 (* 36 ULTIMATE.start_main_~y~4))), 49368#(<= 18632 (+ ULTIMATE.start_main_~x~4 (* 35 ULTIMATE.start_main_~y~4))), 49369#(<= 18768 (+ ULTIMATE.start_main_~x~4 (* 34 ULTIMATE.start_main_~y~4))), 49370#(<= 18900 (+ ULTIMATE.start_main_~x~4 (* 33 ULTIMATE.start_main_~y~4))), 49371#(<= 19028 (+ ULTIMATE.start_main_~x~4 (* 32 ULTIMATE.start_main_~y~4))), 49372#(<= 19152 (+ ULTIMATE.start_main_~x~4 (* 31 ULTIMATE.start_main_~y~4))), 49373#(<= 19272 (+ ULTIMATE.start_main_~x~4 (* 30 ULTIMATE.start_main_~y~4))), 49374#(<= 19388 (+ ULTIMATE.start_main_~x~4 (* 29 ULTIMATE.start_main_~y~4))), 49375#(<= 19500 (+ ULTIMATE.start_main_~x~4 (* 28 ULTIMATE.start_main_~y~4))), 49376#(<= 19608 (+ ULTIMATE.start_main_~x~4 (* 27 ULTIMATE.start_main_~y~4))), 49377#(<= 19712 (+ ULTIMATE.start_main_~x~4 (* 26 ULTIMATE.start_main_~y~4))), 49378#(<= 19812 (+ ULTIMATE.start_main_~x~4 (* 25 ULTIMATE.start_main_~y~4))), 49379#(<= 19908 (+ ULTIMATE.start_main_~x~4 (* 24 ULTIMATE.start_main_~y~4))), 49380#(<= 20000 (+ ULTIMATE.start_main_~x~4 (* 23 ULTIMATE.start_main_~y~4))), 49381#(<= 20088 (+ ULTIMATE.start_main_~x~4 (* 22 ULTIMATE.start_main_~y~4))), 49382#(<= 20172 (+ ULTIMATE.start_main_~x~4 (* 21 ULTIMATE.start_main_~y~4))), 49383#(<= 20252 (+ ULTIMATE.start_main_~x~4 (* 20 ULTIMATE.start_main_~y~4))), 49384#(<= 20328 (+ ULTIMATE.start_main_~x~4 (* 19 ULTIMATE.start_main_~y~4))), 49385#(<= 20400 (+ ULTIMATE.start_main_~x~4 (* 18 ULTIMATE.start_main_~y~4))), 49386#(<= 20468 (+ ULTIMATE.start_main_~x~4 (* 17 ULTIMATE.start_main_~y~4))), 49387#(<= 20532 (+ ULTIMATE.start_main_~x~4 (* 16 ULTIMATE.start_main_~y~4))), 49388#(<= 20592 (+ ULTIMATE.start_main_~x~4 (* 15 ULTIMATE.start_main_~y~4))), 49389#(<= 20648 (+ ULTIMATE.start_main_~x~4 (* 14 ULTIMATE.start_main_~y~4))), 49390#(<= 20700 (+ ULTIMATE.start_main_~x~4 (* 13 ULTIMATE.start_main_~y~4))), 49391#(<= 20748 (+ ULTIMATE.start_main_~x~4 (* 12 ULTIMATE.start_main_~y~4))), 49392#(<= 20792 (+ ULTIMATE.start_main_~x~4 (* 11 ULTIMATE.start_main_~y~4))), 49393#(<= 20832 (+ ULTIMATE.start_main_~x~4 (* 10 ULTIMATE.start_main_~y~4))), 49394#(<= 20868 (+ ULTIMATE.start_main_~x~4 (* 9 ULTIMATE.start_main_~y~4))), 49395#(<= 20900 (+ ULTIMATE.start_main_~x~4 (* 8 ULTIMATE.start_main_~y~4))), 49396#(<= 20928 (+ ULTIMATE.start_main_~x~4 (* 7 ULTIMATE.start_main_~y~4))), 49397#(<= 20952 (+ ULTIMATE.start_main_~x~4 (* 6 ULTIMATE.start_main_~y~4))), 49398#(<= 20972 (+ ULTIMATE.start_main_~x~4 (* 5 ULTIMATE.start_main_~y~4))), 49399#(<= 20988 (+ ULTIMATE.start_main_~x~4 (* 4 ULTIMATE.start_main_~y~4))), 49400#(<= 21000 (+ ULTIMATE.start_main_~x~4 (* 3 ULTIMATE.start_main_~y~4))), 49401#(<= 21008 (+ ULTIMATE.start_main_~x~4 (* 2 ULTIMATE.start_main_~y~4))), 49402#(<= 21012 (+ ULTIMATE.start_main_~x~4 ULTIMATE.start_main_~y~4)), 49403#(<= 1 ULTIMATE.start___VERIFIER_assert_~cond)] [2018-07-23 13:43:11,128 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 13:43:11,128 INFO L450 AbstractCegarLoop]: Interpolant automaton has 105 states [2018-07-23 13:43:11,128 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 105 interpolants. [2018-07-23 13:43:11,128 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=207, Invalid=10713, Unknown=0, NotChecked=0, Total=10920 [2018-07-23 13:43:11,129 INFO L87 Difference]: Start difference. First operand 207 states and 207 transitions. Second operand 105 states. [2018-07-23 13:43:13,008 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-07-23 13:43:13,008 INFO L93 Difference]: Finished difference Result 212 states and 212 transitions. [2018-07-23 13:43:13,008 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 105 states. [2018-07-23 13:43:13,008 INFO L78 Accepts]: Start accepts. Automaton has 105 states. Word has length 206 [2018-07-23 13:43:13,009 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-07-23 13:43:13,009 INFO L225 Difference]: With dead ends: 212 [2018-07-23 13:43:13,009 INFO L226 Difference]: Without dead ends: 210 [2018-07-23 13:43:13,010 INFO L575 BasicCegarLoop]: 0 DeclaredPredicates, 104 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 103 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.5s TimeCoverageRelationStatistics Valid=207, Invalid=10713, Unknown=0, NotChecked=0, Total=10920 [2018-07-23 13:43:13,011 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 210 states. [2018-07-23 13:43:13,077 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 210 to 209. [2018-07-23 13:43:13,078 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 209 states. [2018-07-23 13:43:13,078 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 209 states to 209 states and 209 transitions. [2018-07-23 13:43:13,078 INFO L78 Accepts]: Start accepts. Automaton has 209 states and 209 transitions. Word has length 206 [2018-07-23 13:43:13,078 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-07-23 13:43:13,078 INFO L471 AbstractCegarLoop]: Abstraction has 209 states and 209 transitions. [2018-07-23 13:43:13,078 INFO L472 AbstractCegarLoop]: Interpolant automaton has 105 states. [2018-07-23 13:43:13,079 INFO L276 IsEmpty]: Start isEmpty. Operand 209 states and 209 transitions. [2018-07-23 13:43:13,079 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 209 [2018-07-23 13:43:13,079 INFO L349 BasicCegarLoop]: Found error trace [2018-07-23 13:43:13,079 INFO L357 BasicCegarLoop]: trace histogram [103, 102, 1, 1, 1] [2018-07-23 13:43:13,079 INFO L414 AbstractCegarLoop]: === Iteration 103 === [ULTIMATE.startErr0AssertViolationASSERT]=== [2018-07-23 13:43:13,080 INFO L82 PathProgramCache]: Analyzing trace with hash -907878377, now seen corresponding path program 102 times [2018-07-23 13:43:13,080 INFO L69 tionRefinementEngine]: Using refinement strategy FixedRefinementStrategy [2018-07-23 13:43:13,289 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-07-23 13:43:14,383 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 13:43:14,383 INFO L309 seRefinementStrategy]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2018-07-23 13:43:14,383 INFO L324 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [105] total 105 [2018-07-23 13:43:14,383 INFO L142 lantAutomatonBuilder]: Constructing canonical interpolant automaton, with selfloop in false state [2018-07-23 13:43:14,384 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-07-23 13:43:14,384 INFO L185 omatonBuilderFactory]: Interpolants [50246#true, 50247#false, 50248#(<= 412 (+ ULTIMATE.start_main_~x~4 (* 103 ULTIMATE.start_main_~y~4))), 50249#(<= 820 (+ ULTIMATE.start_main_~x~4 (* 102 ULTIMATE.start_main_~y~4))), 50250#(<= 1224 (+ ULTIMATE.start_main_~x~4 (* 101 ULTIMATE.start_main_~y~4))), 50251#(<= 1624 (+ ULTIMATE.start_main_~x~4 (* 100 ULTIMATE.start_main_~y~4))), 50252#(<= 2020 (+ ULTIMATE.start_main_~x~4 (* 99 ULTIMATE.start_main_~y~4))), 50253#(<= 2412 (+ ULTIMATE.start_main_~x~4 (* 98 ULTIMATE.start_main_~y~4))), 50254#(<= 2800 (+ ULTIMATE.start_main_~x~4 (* 97 ULTIMATE.start_main_~y~4))), 50255#(<= 3184 (+ ULTIMATE.start_main_~x~4 (* 96 ULTIMATE.start_main_~y~4))), 50256#(<= 3564 (+ ULTIMATE.start_main_~x~4 (* 95 ULTIMATE.start_main_~y~4))), 50257#(<= 3940 (+ ULTIMATE.start_main_~x~4 (* 94 ULTIMATE.start_main_~y~4))), 50258#(<= 4312 (+ ULTIMATE.start_main_~x~4 (* 93 ULTIMATE.start_main_~y~4))), 50259#(<= 4680 (+ ULTIMATE.start_main_~x~4 (* 92 ULTIMATE.start_main_~y~4))), 50260#(<= 5044 (+ ULTIMATE.start_main_~x~4 (* 91 ULTIMATE.start_main_~y~4))), 50261#(<= 5404 (+ ULTIMATE.start_main_~x~4 (* 90 ULTIMATE.start_main_~y~4))), 50262#(<= 5760 (+ ULTIMATE.start_main_~x~4 (* 89 ULTIMATE.start_main_~y~4))), 50263#(<= 6112 (+ ULTIMATE.start_main_~x~4 (* 88 ULTIMATE.start_main_~y~4))), 50264#(<= 6460 (+ ULTIMATE.start_main_~x~4 (* 87 ULTIMATE.start_main_~y~4))), 50265#(<= 6804 (+ ULTIMATE.start_main_~x~4 (* 86 ULTIMATE.start_main_~y~4))), 50266#(<= 7144 (+ ULTIMATE.start_main_~x~4 (* 85 ULTIMATE.start_main_~y~4))), 50267#(<= 7480 (+ ULTIMATE.start_main_~x~4 (* 84 ULTIMATE.start_main_~y~4))), 50268#(<= 7812 (+ ULTIMATE.start_main_~x~4 (* 83 ULTIMATE.start_main_~y~4))), 50269#(<= 8140 (+ ULTIMATE.start_main_~x~4 (* 82 ULTIMATE.start_main_~y~4))), 50270#(<= 8464 (+ ULTIMATE.start_main_~x~4 (* 81 ULTIMATE.start_main_~y~4))), 50271#(<= 8784 (+ ULTIMATE.start_main_~x~4 (* 80 ULTIMATE.start_main_~y~4))), 50272#(<= 9100 (+ ULTIMATE.start_main_~x~4 (* 79 ULTIMATE.start_main_~y~4))), 50273#(<= 9412 (+ ULTIMATE.start_main_~x~4 (* 78 ULTIMATE.start_main_~y~4))), 50274#(<= 9720 (+ ULTIMATE.start_main_~x~4 (* 77 ULTIMATE.start_main_~y~4))), 50275#(<= 10024 (+ ULTIMATE.start_main_~x~4 (* 76 ULTIMATE.start_main_~y~4))), 50276#(<= 10324 (+ ULTIMATE.start_main_~x~4 (* 75 ULTIMATE.start_main_~y~4))), 50277#(<= 10620 (+ ULTIMATE.start_main_~x~4 (* 74 ULTIMATE.start_main_~y~4))), 50278#(<= 10912 (+ ULTIMATE.start_main_~x~4 (* 73 ULTIMATE.start_main_~y~4))), 50279#(<= 11200 (+ ULTIMATE.start_main_~x~4 (* 72 ULTIMATE.start_main_~y~4))), 50280#(<= 11484 (+ ULTIMATE.start_main_~x~4 (* 71 ULTIMATE.start_main_~y~4))), 50281#(<= 11764 (+ ULTIMATE.start_main_~x~4 (* 70 ULTIMATE.start_main_~y~4))), 50282#(<= 12040 (+ ULTIMATE.start_main_~x~4 (* 69 ULTIMATE.start_main_~y~4))), 50283#(<= 12312 (+ ULTIMATE.start_main_~x~4 (* 68 ULTIMATE.start_main_~y~4))), 50284#(<= 12580 (+ ULTIMATE.start_main_~x~4 (* 67 ULTIMATE.start_main_~y~4))), 50285#(<= 12844 (+ ULTIMATE.start_main_~x~4 (* 66 ULTIMATE.start_main_~y~4))), 50286#(<= 13104 (+ ULTIMATE.start_main_~x~4 (* 65 ULTIMATE.start_main_~y~4))), 50287#(<= 13360 (+ ULTIMATE.start_main_~x~4 (* 64 ULTIMATE.start_main_~y~4))), 50288#(<= 13612 (+ ULTIMATE.start_main_~x~4 (* 63 ULTIMATE.start_main_~y~4))), 50289#(<= 13860 (+ ULTIMATE.start_main_~x~4 (* 62 ULTIMATE.start_main_~y~4))), 50290#(<= 14104 (+ ULTIMATE.start_main_~x~4 (* 61 ULTIMATE.start_main_~y~4))), 50291#(<= 14344 (+ ULTIMATE.start_main_~x~4 (* 60 ULTIMATE.start_main_~y~4))), 50292#(<= 14580 (+ ULTIMATE.start_main_~x~4 (* 59 ULTIMATE.start_main_~y~4))), 50293#(<= 14812 (+ ULTIMATE.start_main_~x~4 (* 58 ULTIMATE.start_main_~y~4))), 50294#(<= 15040 (+ ULTIMATE.start_main_~x~4 (* 57 ULTIMATE.start_main_~y~4))), 50295#(<= 15264 (+ ULTIMATE.start_main_~x~4 (* 56 ULTIMATE.start_main_~y~4))), 50296#(<= 15484 (+ ULTIMATE.start_main_~x~4 (* 55 ULTIMATE.start_main_~y~4))), 50297#(<= 15700 (+ ULTIMATE.start_main_~x~4 (* 54 ULTIMATE.start_main_~y~4))), 50298#(<= 15912 (+ ULTIMATE.start_main_~x~4 (* 53 ULTIMATE.start_main_~y~4))), 50299#(<= 16120 (+ ULTIMATE.start_main_~x~4 (* 52 ULTIMATE.start_main_~y~4))), 50300#(<= 16324 (+ ULTIMATE.start_main_~x~4 (* 51 ULTIMATE.start_main_~y~4))), 50301#(<= 16524 (+ ULTIMATE.start_main_~x~4 (* 50 ULTIMATE.start_main_~y~4))), 50302#(<= 16720 (+ ULTIMATE.start_main_~x~4 (* 49 ULTIMATE.start_main_~y~4))), 50303#(<= 16912 (+ ULTIMATE.start_main_~x~4 (* 48 ULTIMATE.start_main_~y~4))), 50304#(<= 17100 (+ ULTIMATE.start_main_~x~4 (* 47 ULTIMATE.start_main_~y~4))), 50305#(<= 17284 (+ ULTIMATE.start_main_~x~4 (* 46 ULTIMATE.start_main_~y~4))), 50306#(<= 17464 (+ ULTIMATE.start_main_~x~4 (* 45 ULTIMATE.start_main_~y~4))), 50307#(<= 17640 (+ ULTIMATE.start_main_~x~4 (* 44 ULTIMATE.start_main_~y~4))), 50308#(<= 17812 (+ ULTIMATE.start_main_~x~4 (* 43 ULTIMATE.start_main_~y~4))), 50309#(<= 17980 (+ ULTIMATE.start_main_~x~4 (* 42 ULTIMATE.start_main_~y~4))), 50310#(<= 18144 (+ ULTIMATE.start_main_~x~4 (* 41 ULTIMATE.start_main_~y~4))), 50311#(<= 18304 (+ ULTIMATE.start_main_~x~4 (* 40 ULTIMATE.start_main_~y~4))), 50312#(<= 18460 (+ ULTIMATE.start_main_~x~4 (* 39 ULTIMATE.start_main_~y~4))), 50313#(<= 18612 (+ ULTIMATE.start_main_~x~4 (* 38 ULTIMATE.start_main_~y~4))), 50314#(<= 18760 (+ ULTIMATE.start_main_~x~4 (* 37 ULTIMATE.start_main_~y~4))), 50315#(<= 18904 (+ ULTIMATE.start_main_~x~4 (* 36 ULTIMATE.start_main_~y~4))), 50316#(<= 19044 (+ ULTIMATE.start_main_~x~4 (* 35 ULTIMATE.start_main_~y~4))), 50317#(<= 19180 (+ ULTIMATE.start_main_~x~4 (* 34 ULTIMATE.start_main_~y~4))), 50318#(<= 19312 (+ ULTIMATE.start_main_~x~4 (* 33 ULTIMATE.start_main_~y~4))), 50319#(<= 19440 (+ ULTIMATE.start_main_~x~4 (* 32 ULTIMATE.start_main_~y~4))), 50320#(<= 19564 (+ ULTIMATE.start_main_~x~4 (* 31 ULTIMATE.start_main_~y~4))), 50321#(<= 19684 (+ ULTIMATE.start_main_~x~4 (* 30 ULTIMATE.start_main_~y~4))), 50322#(<= 19800 (+ ULTIMATE.start_main_~x~4 (* 29 ULTIMATE.start_main_~y~4))), 50323#(<= 19912 (+ ULTIMATE.start_main_~x~4 (* 28 ULTIMATE.start_main_~y~4))), 50324#(<= 20020 (+ ULTIMATE.start_main_~x~4 (* 27 ULTIMATE.start_main_~y~4))), 50325#(<= 20124 (+ ULTIMATE.start_main_~x~4 (* 26 ULTIMATE.start_main_~y~4))), 50326#(<= 20224 (+ ULTIMATE.start_main_~x~4 (* 25 ULTIMATE.start_main_~y~4))), 50327#(<= 20320 (+ ULTIMATE.start_main_~x~4 (* 24 ULTIMATE.start_main_~y~4))), 50328#(<= 20412 (+ ULTIMATE.start_main_~x~4 (* 23 ULTIMATE.start_main_~y~4))), 50329#(<= 20500 (+ ULTIMATE.start_main_~x~4 (* 22 ULTIMATE.start_main_~y~4))), 50330#(<= 20584 (+ ULTIMATE.start_main_~x~4 (* 21 ULTIMATE.start_main_~y~4))), 50331#(<= 20664 (+ ULTIMATE.start_main_~x~4 (* 20 ULTIMATE.start_main_~y~4))), 50332#(<= 20740 (+ ULTIMATE.start_main_~x~4 (* 19 ULTIMATE.start_main_~y~4))), 50333#(<= 20812 (+ ULTIMATE.start_main_~x~4 (* 18 ULTIMATE.start_main_~y~4))), 50334#(<= 20880 (+ ULTIMATE.start_main_~x~4 (* 17 ULTIMATE.start_main_~y~4))), 50335#(<= 20944 (+ ULTIMATE.start_main_~x~4 (* 16 ULTIMATE.start_main_~y~4))), 50336#(<= 21004 (+ ULTIMATE.start_main_~x~4 (* 15 ULTIMATE.start_main_~y~4))), 50337#(<= 21060 (+ ULTIMATE.start_main_~x~4 (* 14 ULTIMATE.start_main_~y~4))), 50338#(<= 21112 (+ ULTIMATE.start_main_~x~4 (* 13 ULTIMATE.start_main_~y~4))), 50339#(<= 21160 (+ ULTIMATE.start_main_~x~4 (* 12 ULTIMATE.start_main_~y~4))), 50340#(<= 21204 (+ ULTIMATE.start_main_~x~4 (* 11 ULTIMATE.start_main_~y~4))), 50341#(<= 21244 (+ ULTIMATE.start_main_~x~4 (* 10 ULTIMATE.start_main_~y~4))), 50342#(<= 21280 (+ ULTIMATE.start_main_~x~4 (* 9 ULTIMATE.start_main_~y~4))), 50343#(<= 21312 (+ ULTIMATE.start_main_~x~4 (* 8 ULTIMATE.start_main_~y~4))), 50344#(<= 21340 (+ ULTIMATE.start_main_~x~4 (* 7 ULTIMATE.start_main_~y~4))), 50345#(<= 21364 (+ ULTIMATE.start_main_~x~4 (* 6 ULTIMATE.start_main_~y~4))), 50346#(<= 21384 (+ ULTIMATE.start_main_~x~4 (* 5 ULTIMATE.start_main_~y~4))), 50347#(<= 21400 (+ ULTIMATE.start_main_~x~4 (* 4 ULTIMATE.start_main_~y~4))), 50348#(<= 21412 (+ ULTIMATE.start_main_~x~4 (* 3 ULTIMATE.start_main_~y~4))), 50349#(<= 21420 (+ ULTIMATE.start_main_~x~4 (* 2 ULTIMATE.start_main_~y~4))), 50350#(<= 21424 (+ ULTIMATE.start_main_~x~4 ULTIMATE.start_main_~y~4)), 50351#(<= 1 ULTIMATE.start___VERIFIER_assert_~cond)] [2018-07-23 13:43:14,385 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 13:43:14,385 INFO L450 AbstractCegarLoop]: Interpolant automaton has 106 states [2018-07-23 13:43:14,385 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 106 interpolants. [2018-07-23 13:43:14,386 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=209, Invalid=10921, Unknown=0, NotChecked=0, Total=11130 [2018-07-23 13:43:14,386 INFO L87 Difference]: Start difference. First operand 209 states and 209 transitions. Second operand 106 states. [2018-07-23 13:43:16,216 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-07-23 13:43:16,216 INFO L93 Difference]: Finished difference Result 214 states and 214 transitions. [2018-07-23 13:43:16,216 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 106 states. [2018-07-23 13:43:16,216 INFO L78 Accepts]: Start accepts. Automaton has 106 states. Word has length 208 [2018-07-23 13:43:16,217 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-07-23 13:43:16,217 INFO L225 Difference]: With dead ends: 214 [2018-07-23 13:43:16,217 INFO L226 Difference]: Without dead ends: 212 [2018-07-23 13:43:16,218 INFO L575 BasicCegarLoop]: 0 DeclaredPredicates, 105 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 104 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.5s TimeCoverageRelationStatistics Valid=209, Invalid=10921, Unknown=0, NotChecked=0, Total=11130 [2018-07-23 13:43:16,218 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 212 states. [2018-07-23 13:43:16,285 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 212 to 211. [2018-07-23 13:43:16,285 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 211 states. [2018-07-23 13:43:16,285 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 211 states to 211 states and 211 transitions. [2018-07-23 13:43:16,286 INFO L78 Accepts]: Start accepts. Automaton has 211 states and 211 transitions. Word has length 208 [2018-07-23 13:43:16,286 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-07-23 13:43:16,286 INFO L471 AbstractCegarLoop]: Abstraction has 211 states and 211 transitions. [2018-07-23 13:43:16,286 INFO L472 AbstractCegarLoop]: Interpolant automaton has 106 states. [2018-07-23 13:43:16,286 INFO L276 IsEmpty]: Start isEmpty. Operand 211 states and 211 transitions. [2018-07-23 13:43:16,287 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 211 [2018-07-23 13:43:16,287 INFO L349 BasicCegarLoop]: Found error trace [2018-07-23 13:43:16,287 INFO L357 BasicCegarLoop]: trace histogram [104, 103, 1, 1, 1] [2018-07-23 13:43:16,287 INFO L414 AbstractCegarLoop]: === Iteration 104 === [ULTIMATE.startErr0AssertViolationASSERT]=== [2018-07-23 13:43:16,287 INFO L82 PathProgramCache]: Analyzing trace with hash -592812511, now seen corresponding path program 103 times [2018-07-23 13:43:16,288 INFO L69 tionRefinementEngine]: Using refinement strategy FixedRefinementStrategy [2018-07-23 13:43:16,506 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-07-23 13:43:17,673 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 13:43:17,673 INFO L309 seRefinementStrategy]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2018-07-23 13:43:17,673 INFO L324 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [106] total 106 [2018-07-23 13:43:17,673 INFO L142 lantAutomatonBuilder]: Constructing canonical interpolant automaton, with selfloop in false state [2018-07-23 13:43:17,674 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-07-23 13:43:17,674 INFO L185 omatonBuilderFactory]: Interpolants [51202#true, 51203#false, 51204#(<= 416 (+ ULTIMATE.start_main_~x~4 (* 104 ULTIMATE.start_main_~y~4))), 51205#(<= 828 (+ ULTIMATE.start_main_~x~4 (* 103 ULTIMATE.start_main_~y~4))), 51206#(<= 1236 (+ ULTIMATE.start_main_~x~4 (* 102 ULTIMATE.start_main_~y~4))), 51207#(<= 1640 (+ ULTIMATE.start_main_~x~4 (* 101 ULTIMATE.start_main_~y~4))), 51208#(<= 2040 (+ ULTIMATE.start_main_~x~4 (* 100 ULTIMATE.start_main_~y~4))), 51209#(<= 2436 (+ ULTIMATE.start_main_~x~4 (* 99 ULTIMATE.start_main_~y~4))), 51210#(<= 2828 (+ ULTIMATE.start_main_~x~4 (* 98 ULTIMATE.start_main_~y~4))), 51211#(<= 3216 (+ ULTIMATE.start_main_~x~4 (* 97 ULTIMATE.start_main_~y~4))), 51212#(<= 3600 (+ ULTIMATE.start_main_~x~4 (* 96 ULTIMATE.start_main_~y~4))), 51213#(<= 3980 (+ ULTIMATE.start_main_~x~4 (* 95 ULTIMATE.start_main_~y~4))), 51214#(<= 4356 (+ ULTIMATE.start_main_~x~4 (* 94 ULTIMATE.start_main_~y~4))), 51215#(<= 4728 (+ ULTIMATE.start_main_~x~4 (* 93 ULTIMATE.start_main_~y~4))), 51216#(<= 5096 (+ ULTIMATE.start_main_~x~4 (* 92 ULTIMATE.start_main_~y~4))), 51217#(<= 5460 (+ ULTIMATE.start_main_~x~4 (* 91 ULTIMATE.start_main_~y~4))), 51218#(<= 5820 (+ ULTIMATE.start_main_~x~4 (* 90 ULTIMATE.start_main_~y~4))), 51219#(<= 6176 (+ ULTIMATE.start_main_~x~4 (* 89 ULTIMATE.start_main_~y~4))), 51220#(<= 6528 (+ ULTIMATE.start_main_~x~4 (* 88 ULTIMATE.start_main_~y~4))), 51221#(<= 6876 (+ ULTIMATE.start_main_~x~4 (* 87 ULTIMATE.start_main_~y~4))), 51222#(<= 7220 (+ ULTIMATE.start_main_~x~4 (* 86 ULTIMATE.start_main_~y~4))), 51223#(<= 7560 (+ ULTIMATE.start_main_~x~4 (* 85 ULTIMATE.start_main_~y~4))), 51224#(<= 7896 (+ ULTIMATE.start_main_~x~4 (* 84 ULTIMATE.start_main_~y~4))), 51225#(<= 8228 (+ ULTIMATE.start_main_~x~4 (* 83 ULTIMATE.start_main_~y~4))), 51226#(<= 8556 (+ ULTIMATE.start_main_~x~4 (* 82 ULTIMATE.start_main_~y~4))), 51227#(<= 8880 (+ ULTIMATE.start_main_~x~4 (* 81 ULTIMATE.start_main_~y~4))), 51228#(<= 9200 (+ ULTIMATE.start_main_~x~4 (* 80 ULTIMATE.start_main_~y~4))), 51229#(<= 9516 (+ ULTIMATE.start_main_~x~4 (* 79 ULTIMATE.start_main_~y~4))), 51230#(<= 9828 (+ ULTIMATE.start_main_~x~4 (* 78 ULTIMATE.start_main_~y~4))), 51231#(<= 10136 (+ ULTIMATE.start_main_~x~4 (* 77 ULTIMATE.start_main_~y~4))), 51232#(<= 10440 (+ ULTIMATE.start_main_~x~4 (* 76 ULTIMATE.start_main_~y~4))), 51233#(<= 10740 (+ ULTIMATE.start_main_~x~4 (* 75 ULTIMATE.start_main_~y~4))), 51234#(<= 11036 (+ ULTIMATE.start_main_~x~4 (* 74 ULTIMATE.start_main_~y~4))), 51235#(<= 11328 (+ ULTIMATE.start_main_~x~4 (* 73 ULTIMATE.start_main_~y~4))), 51236#(<= 11616 (+ ULTIMATE.start_main_~x~4 (* 72 ULTIMATE.start_main_~y~4))), 51237#(<= 11900 (+ ULTIMATE.start_main_~x~4 (* 71 ULTIMATE.start_main_~y~4))), 51238#(<= 12180 (+ ULTIMATE.start_main_~x~4 (* 70 ULTIMATE.start_main_~y~4))), 51239#(<= 12456 (+ ULTIMATE.start_main_~x~4 (* 69 ULTIMATE.start_main_~y~4))), 51240#(<= 12728 (+ ULTIMATE.start_main_~x~4 (* 68 ULTIMATE.start_main_~y~4))), 51241#(<= 12996 (+ ULTIMATE.start_main_~x~4 (* 67 ULTIMATE.start_main_~y~4))), 51242#(<= 13260 (+ ULTIMATE.start_main_~x~4 (* 66 ULTIMATE.start_main_~y~4))), 51243#(<= 13520 (+ ULTIMATE.start_main_~x~4 (* 65 ULTIMATE.start_main_~y~4))), 51244#(<= 13776 (+ ULTIMATE.start_main_~x~4 (* 64 ULTIMATE.start_main_~y~4))), 51245#(<= 14028 (+ ULTIMATE.start_main_~x~4 (* 63 ULTIMATE.start_main_~y~4))), 51246#(<= 14276 (+ ULTIMATE.start_main_~x~4 (* 62 ULTIMATE.start_main_~y~4))), 51247#(<= 14520 (+ ULTIMATE.start_main_~x~4 (* 61 ULTIMATE.start_main_~y~4))), 51248#(<= 14760 (+ ULTIMATE.start_main_~x~4 (* 60 ULTIMATE.start_main_~y~4))), 51249#(<= 14996 (+ ULTIMATE.start_main_~x~4 (* 59 ULTIMATE.start_main_~y~4))), 51250#(<= 15228 (+ ULTIMATE.start_main_~x~4 (* 58 ULTIMATE.start_main_~y~4))), 51251#(<= 15456 (+ ULTIMATE.start_main_~x~4 (* 57 ULTIMATE.start_main_~y~4))), 51252#(<= 15680 (+ ULTIMATE.start_main_~x~4 (* 56 ULTIMATE.start_main_~y~4))), 51253#(<= 15900 (+ ULTIMATE.start_main_~x~4 (* 55 ULTIMATE.start_main_~y~4))), 51254#(<= 16116 (+ ULTIMATE.start_main_~x~4 (* 54 ULTIMATE.start_main_~y~4))), 51255#(<= 16328 (+ ULTIMATE.start_main_~x~4 (* 53 ULTIMATE.start_main_~y~4))), 51256#(<= 16536 (+ ULTIMATE.start_main_~x~4 (* 52 ULTIMATE.start_main_~y~4))), 51257#(<= 16740 (+ ULTIMATE.start_main_~x~4 (* 51 ULTIMATE.start_main_~y~4))), 51258#(<= 16940 (+ ULTIMATE.start_main_~x~4 (* 50 ULTIMATE.start_main_~y~4))), 51259#(<= 17136 (+ ULTIMATE.start_main_~x~4 (* 49 ULTIMATE.start_main_~y~4))), 51260#(<= 17328 (+ ULTIMATE.start_main_~x~4 (* 48 ULTIMATE.start_main_~y~4))), 51261#(<= 17516 (+ ULTIMATE.start_main_~x~4 (* 47 ULTIMATE.start_main_~y~4))), 51262#(<= 17700 (+ ULTIMATE.start_main_~x~4 (* 46 ULTIMATE.start_main_~y~4))), 51263#(<= 17880 (+ ULTIMATE.start_main_~x~4 (* 45 ULTIMATE.start_main_~y~4))), 51264#(<= 18056 (+ ULTIMATE.start_main_~x~4 (* 44 ULTIMATE.start_main_~y~4))), 51265#(<= 18228 (+ ULTIMATE.start_main_~x~4 (* 43 ULTIMATE.start_main_~y~4))), 51266#(<= 18396 (+ ULTIMATE.start_main_~x~4 (* 42 ULTIMATE.start_main_~y~4))), 51267#(<= 18560 (+ ULTIMATE.start_main_~x~4 (* 41 ULTIMATE.start_main_~y~4))), 51268#(<= 18720 (+ ULTIMATE.start_main_~x~4 (* 40 ULTIMATE.start_main_~y~4))), 51269#(<= 18876 (+ ULTIMATE.start_main_~x~4 (* 39 ULTIMATE.start_main_~y~4))), 51270#(<= 19028 (+ ULTIMATE.start_main_~x~4 (* 38 ULTIMATE.start_main_~y~4))), 51271#(<= 19176 (+ ULTIMATE.start_main_~x~4 (* 37 ULTIMATE.start_main_~y~4))), 51272#(<= 19320 (+ ULTIMATE.start_main_~x~4 (* 36 ULTIMATE.start_main_~y~4))), 51273#(<= 19460 (+ ULTIMATE.start_main_~x~4 (* 35 ULTIMATE.start_main_~y~4))), 51274#(<= 19596 (+ ULTIMATE.start_main_~x~4 (* 34 ULTIMATE.start_main_~y~4))), 51275#(<= 19728 (+ ULTIMATE.start_main_~x~4 (* 33 ULTIMATE.start_main_~y~4))), 51276#(<= 19856 (+ ULTIMATE.start_main_~x~4 (* 32 ULTIMATE.start_main_~y~4))), 51277#(<= 19980 (+ ULTIMATE.start_main_~x~4 (* 31 ULTIMATE.start_main_~y~4))), 51278#(<= 20100 (+ ULTIMATE.start_main_~x~4 (* 30 ULTIMATE.start_main_~y~4))), 51279#(<= 20216 (+ ULTIMATE.start_main_~x~4 (* 29 ULTIMATE.start_main_~y~4))), 51280#(<= 20328 (+ ULTIMATE.start_main_~x~4 (* 28 ULTIMATE.start_main_~y~4))), 51281#(<= 20436 (+ ULTIMATE.start_main_~x~4 (* 27 ULTIMATE.start_main_~y~4))), 51282#(<= 20540 (+ ULTIMATE.start_main_~x~4 (* 26 ULTIMATE.start_main_~y~4))), 51283#(<= 20640 (+ ULTIMATE.start_main_~x~4 (* 25 ULTIMATE.start_main_~y~4))), 51284#(<= 20736 (+ ULTIMATE.start_main_~x~4 (* 24 ULTIMATE.start_main_~y~4))), 51285#(<= 20828 (+ ULTIMATE.start_main_~x~4 (* 23 ULTIMATE.start_main_~y~4))), 51286#(<= 20916 (+ ULTIMATE.start_main_~x~4 (* 22 ULTIMATE.start_main_~y~4))), 51287#(<= 21000 (+ ULTIMATE.start_main_~x~4 (* 21 ULTIMATE.start_main_~y~4))), 51288#(<= 21080 (+ ULTIMATE.start_main_~x~4 (* 20 ULTIMATE.start_main_~y~4))), 51289#(<= 21156 (+ ULTIMATE.start_main_~x~4 (* 19 ULTIMATE.start_main_~y~4))), 51290#(<= 21228 (+ ULTIMATE.start_main_~x~4 (* 18 ULTIMATE.start_main_~y~4))), 51291#(<= 21296 (+ ULTIMATE.start_main_~x~4 (* 17 ULTIMATE.start_main_~y~4))), 51292#(<= 21360 (+ ULTIMATE.start_main_~x~4 (* 16 ULTIMATE.start_main_~y~4))), 51293#(<= 21420 (+ ULTIMATE.start_main_~x~4 (* 15 ULTIMATE.start_main_~y~4))), 51294#(<= 21476 (+ ULTIMATE.start_main_~x~4 (* 14 ULTIMATE.start_main_~y~4))), 51295#(<= 21528 (+ ULTIMATE.start_main_~x~4 (* 13 ULTIMATE.start_main_~y~4))), 51296#(<= 21576 (+ ULTIMATE.start_main_~x~4 (* 12 ULTIMATE.start_main_~y~4))), 51297#(<= 21620 (+ ULTIMATE.start_main_~x~4 (* 11 ULTIMATE.start_main_~y~4))), 51298#(<= 21660 (+ ULTIMATE.start_main_~x~4 (* 10 ULTIMATE.start_main_~y~4))), 51299#(<= 21696 (+ ULTIMATE.start_main_~x~4 (* 9 ULTIMATE.start_main_~y~4))), 51300#(<= 21728 (+ ULTIMATE.start_main_~x~4 (* 8 ULTIMATE.start_main_~y~4))), 51301#(<= 21756 (+ ULTIMATE.start_main_~x~4 (* 7 ULTIMATE.start_main_~y~4))), 51302#(<= 21780 (+ ULTIMATE.start_main_~x~4 (* 6 ULTIMATE.start_main_~y~4))), 51303#(<= 21800 (+ ULTIMATE.start_main_~x~4 (* 5 ULTIMATE.start_main_~y~4))), 51304#(<= 21816 (+ ULTIMATE.start_main_~x~4 (* 4 ULTIMATE.start_main_~y~4))), 51305#(<= 21828 (+ ULTIMATE.start_main_~x~4 (* 3 ULTIMATE.start_main_~y~4))), 51306#(<= 21836 (+ ULTIMATE.start_main_~x~4 (* 2 ULTIMATE.start_main_~y~4))), 51307#(<= 21840 (+ ULTIMATE.start_main_~x~4 ULTIMATE.start_main_~y~4)), 51308#(<= 1 ULTIMATE.start___VERIFIER_assert_~cond)] [2018-07-23 13:43:17,675 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 13:43:17,675 INFO L450 AbstractCegarLoop]: Interpolant automaton has 107 states [2018-07-23 13:43:17,675 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 107 interpolants. [2018-07-23 13:43:17,676 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=211, Invalid=11131, Unknown=0, NotChecked=0, Total=11342 [2018-07-23 13:43:17,676 INFO L87 Difference]: Start difference. First operand 211 states and 211 transitions. Second operand 107 states. [2018-07-23 13:43:19,589 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-07-23 13:43:19,590 INFO L93 Difference]: Finished difference Result 216 states and 216 transitions. [2018-07-23 13:43:19,590 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 107 states. [2018-07-23 13:43:19,590 INFO L78 Accepts]: Start accepts. Automaton has 107 states. Word has length 210 [2018-07-23 13:43:19,590 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-07-23 13:43:19,591 INFO L225 Difference]: With dead ends: 216 [2018-07-23 13:43:19,591 INFO L226 Difference]: Without dead ends: 214 [2018-07-23 13:43:19,592 INFO L575 BasicCegarLoop]: 0 DeclaredPredicates, 106 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 105 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.5s TimeCoverageRelationStatistics Valid=211, Invalid=11131, Unknown=0, NotChecked=0, Total=11342 [2018-07-23 13:43:19,592 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 214 states. [2018-07-23 13:43:19,673 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 214 to 213. [2018-07-23 13:43:19,674 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 213 states. [2018-07-23 13:43:19,674 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 213 states to 213 states and 213 transitions. [2018-07-23 13:43:19,674 INFO L78 Accepts]: Start accepts. Automaton has 213 states and 213 transitions. Word has length 210 [2018-07-23 13:43:19,674 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-07-23 13:43:19,675 INFO L471 AbstractCegarLoop]: Abstraction has 213 states and 213 transitions. [2018-07-23 13:43:19,675 INFO L472 AbstractCegarLoop]: Interpolant automaton has 107 states. [2018-07-23 13:43:19,675 INFO L276 IsEmpty]: Start isEmpty. Operand 213 states and 213 transitions. [2018-07-23 13:43:19,676 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 213 [2018-07-23 13:43:19,676 INFO L349 BasicCegarLoop]: Found error trace [2018-07-23 13:43:19,676 INFO L357 BasicCegarLoop]: trace histogram [105, 104, 1, 1, 1] [2018-07-23 13:43:19,676 INFO L414 AbstractCegarLoop]: === Iteration 105 === [ULTIMATE.startErr0AssertViolationASSERT]=== [2018-07-23 13:43:19,676 INFO L82 PathProgramCache]: Analyzing trace with hash 1537773995, now seen corresponding path program 104 times [2018-07-23 13:43:19,677 INFO L69 tionRefinementEngine]: Using refinement strategy FixedRefinementStrategy [2018-07-23 13:43:19,883 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-07-23 13:43:21,079 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 13:43:21,080 INFO L309 seRefinementStrategy]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2018-07-23 13:43:21,080 INFO L324 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [107] total 107 [2018-07-23 13:43:21,080 INFO L142 lantAutomatonBuilder]: Constructing canonical interpolant automaton, with selfloop in false state [2018-07-23 13:43:21,080 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-07-23 13:43:21,081 INFO L185 omatonBuilderFactory]: Interpolants [52224#(<= 17360 (+ ULTIMATE.start_main_~x~4 (* 50 ULTIMATE.start_main_~y~4))), 52225#(<= 17556 (+ ULTIMATE.start_main_~x~4 (* 49 ULTIMATE.start_main_~y~4))), 52226#(<= 17748 (+ ULTIMATE.start_main_~x~4 (* 48 ULTIMATE.start_main_~y~4))), 52227#(<= 17936 (+ ULTIMATE.start_main_~x~4 (* 47 ULTIMATE.start_main_~y~4))), 52228#(<= 18120 (+ ULTIMATE.start_main_~x~4 (* 46 ULTIMATE.start_main_~y~4))), 52229#(<= 18300 (+ ULTIMATE.start_main_~x~4 (* 45 ULTIMATE.start_main_~y~4))), 52230#(<= 18476 (+ ULTIMATE.start_main_~x~4 (* 44 ULTIMATE.start_main_~y~4))), 52231#(<= 18648 (+ ULTIMATE.start_main_~x~4 (* 43 ULTIMATE.start_main_~y~4))), 52232#(<= 18816 (+ ULTIMATE.start_main_~x~4 (* 42 ULTIMATE.start_main_~y~4))), 52233#(<= 18980 (+ ULTIMATE.start_main_~x~4 (* 41 ULTIMATE.start_main_~y~4))), 52234#(<= 19140 (+ ULTIMATE.start_main_~x~4 (* 40 ULTIMATE.start_main_~y~4))), 52235#(<= 19296 (+ ULTIMATE.start_main_~x~4 (* 39 ULTIMATE.start_main_~y~4))), 52236#(<= 19448 (+ ULTIMATE.start_main_~x~4 (* 38 ULTIMATE.start_main_~y~4))), 52237#(<= 19596 (+ ULTIMATE.start_main_~x~4 (* 37 ULTIMATE.start_main_~y~4))), 52238#(<= 19740 (+ ULTIMATE.start_main_~x~4 (* 36 ULTIMATE.start_main_~y~4))), 52239#(<= 19880 (+ ULTIMATE.start_main_~x~4 (* 35 ULTIMATE.start_main_~y~4))), 52240#(<= 20016 (+ ULTIMATE.start_main_~x~4 (* 34 ULTIMATE.start_main_~y~4))), 52241#(<= 20148 (+ ULTIMATE.start_main_~x~4 (* 33 ULTIMATE.start_main_~y~4))), 52242#(<= 20276 (+ ULTIMATE.start_main_~x~4 (* 32 ULTIMATE.start_main_~y~4))), 52243#(<= 20400 (+ ULTIMATE.start_main_~x~4 (* 31 ULTIMATE.start_main_~y~4))), 52244#(<= 20520 (+ ULTIMATE.start_main_~x~4 (* 30 ULTIMATE.start_main_~y~4))), 52245#(<= 20636 (+ ULTIMATE.start_main_~x~4 (* 29 ULTIMATE.start_main_~y~4))), 52246#(<= 20748 (+ ULTIMATE.start_main_~x~4 (* 28 ULTIMATE.start_main_~y~4))), 52247#(<= 20856 (+ ULTIMATE.start_main_~x~4 (* 27 ULTIMATE.start_main_~y~4))), 52248#(<= 20960 (+ ULTIMATE.start_main_~x~4 (* 26 ULTIMATE.start_main_~y~4))), 52249#(<= 21060 (+ ULTIMATE.start_main_~x~4 (* 25 ULTIMATE.start_main_~y~4))), 52250#(<= 21156 (+ ULTIMATE.start_main_~x~4 (* 24 ULTIMATE.start_main_~y~4))), 52251#(<= 21248 (+ ULTIMATE.start_main_~x~4 (* 23 ULTIMATE.start_main_~y~4))), 52252#(<= 21336 (+ ULTIMATE.start_main_~x~4 (* 22 ULTIMATE.start_main_~y~4))), 52253#(<= 21420 (+ ULTIMATE.start_main_~x~4 (* 21 ULTIMATE.start_main_~y~4))), 52254#(<= 21500 (+ ULTIMATE.start_main_~x~4 (* 20 ULTIMATE.start_main_~y~4))), 52255#(<= 21576 (+ ULTIMATE.start_main_~x~4 (* 19 ULTIMATE.start_main_~y~4))), 52256#(<= 21648 (+ ULTIMATE.start_main_~x~4 (* 18 ULTIMATE.start_main_~y~4))), 52257#(<= 21716 (+ ULTIMATE.start_main_~x~4 (* 17 ULTIMATE.start_main_~y~4))), 52258#(<= 21780 (+ ULTIMATE.start_main_~x~4 (* 16 ULTIMATE.start_main_~y~4))), 52259#(<= 21840 (+ ULTIMATE.start_main_~x~4 (* 15 ULTIMATE.start_main_~y~4))), 52260#(<= 21896 (+ ULTIMATE.start_main_~x~4 (* 14 ULTIMATE.start_main_~y~4))), 52261#(<= 21948 (+ ULTIMATE.start_main_~x~4 (* 13 ULTIMATE.start_main_~y~4))), 52262#(<= 21996 (+ ULTIMATE.start_main_~x~4 (* 12 ULTIMATE.start_main_~y~4))), 52263#(<= 22040 (+ ULTIMATE.start_main_~x~4 (* 11 ULTIMATE.start_main_~y~4))), 52264#(<= 22080 (+ ULTIMATE.start_main_~x~4 (* 10 ULTIMATE.start_main_~y~4))), 52265#(<= 22116 (+ ULTIMATE.start_main_~x~4 (* 9 ULTIMATE.start_main_~y~4))), 52266#(<= 22148 (+ ULTIMATE.start_main_~x~4 (* 8 ULTIMATE.start_main_~y~4))), 52267#(<= 22176 (+ ULTIMATE.start_main_~x~4 (* 7 ULTIMATE.start_main_~y~4))), 52268#(<= 22200 (+ ULTIMATE.start_main_~x~4 (* 6 ULTIMATE.start_main_~y~4))), 52269#(<= 22220 (+ ULTIMATE.start_main_~x~4 (* 5 ULTIMATE.start_main_~y~4))), 52270#(<= 22236 (+ ULTIMATE.start_main_~x~4 (* 4 ULTIMATE.start_main_~y~4))), 52271#(<= 22248 (+ ULTIMATE.start_main_~x~4 (* 3 ULTIMATE.start_main_~y~4))), 52272#(<= 22256 (+ ULTIMATE.start_main_~x~4 (* 2 ULTIMATE.start_main_~y~4))), 52273#(<= 22260 (+ ULTIMATE.start_main_~x~4 ULTIMATE.start_main_~y~4)), 52274#(<= 1 ULTIMATE.start___VERIFIER_assert_~cond), 52167#true, 52168#false, 52169#(<= 420 (+ ULTIMATE.start_main_~x~4 (* 105 ULTIMATE.start_main_~y~4))), 52170#(<= 836 (+ ULTIMATE.start_main_~x~4 (* 104 ULTIMATE.start_main_~y~4))), 52171#(<= 1248 (+ ULTIMATE.start_main_~x~4 (* 103 ULTIMATE.start_main_~y~4))), 52172#(<= 1656 (+ ULTIMATE.start_main_~x~4 (* 102 ULTIMATE.start_main_~y~4))), 52173#(<= 2060 (+ ULTIMATE.start_main_~x~4 (* 101 ULTIMATE.start_main_~y~4))), 52174#(<= 2460 (+ ULTIMATE.start_main_~x~4 (* 100 ULTIMATE.start_main_~y~4))), 52175#(<= 2856 (+ ULTIMATE.start_main_~x~4 (* 99 ULTIMATE.start_main_~y~4))), 52176#(<= 3248 (+ ULTIMATE.start_main_~x~4 (* 98 ULTIMATE.start_main_~y~4))), 52177#(<= 3636 (+ ULTIMATE.start_main_~x~4 (* 97 ULTIMATE.start_main_~y~4))), 52178#(<= 4020 (+ ULTIMATE.start_main_~x~4 (* 96 ULTIMATE.start_main_~y~4))), 52179#(<= 4400 (+ ULTIMATE.start_main_~x~4 (* 95 ULTIMATE.start_main_~y~4))), 52180#(<= 4776 (+ ULTIMATE.start_main_~x~4 (* 94 ULTIMATE.start_main_~y~4))), 52181#(<= 5148 (+ ULTIMATE.start_main_~x~4 (* 93 ULTIMATE.start_main_~y~4))), 52182#(<= 5516 (+ ULTIMATE.start_main_~x~4 (* 92 ULTIMATE.start_main_~y~4))), 52183#(<= 5880 (+ ULTIMATE.start_main_~x~4 (* 91 ULTIMATE.start_main_~y~4))), 52184#(<= 6240 (+ ULTIMATE.start_main_~x~4 (* 90 ULTIMATE.start_main_~y~4))), 52185#(<= 6596 (+ ULTIMATE.start_main_~x~4 (* 89 ULTIMATE.start_main_~y~4))), 52186#(<= 6948 (+ ULTIMATE.start_main_~x~4 (* 88 ULTIMATE.start_main_~y~4))), 52187#(<= 7296 (+ ULTIMATE.start_main_~x~4 (* 87 ULTIMATE.start_main_~y~4))), 52188#(<= 7640 (+ ULTIMATE.start_main_~x~4 (* 86 ULTIMATE.start_main_~y~4))), 52189#(<= 7980 (+ ULTIMATE.start_main_~x~4 (* 85 ULTIMATE.start_main_~y~4))), 52190#(<= 8316 (+ ULTIMATE.start_main_~x~4 (* 84 ULTIMATE.start_main_~y~4))), 52191#(<= 8648 (+ ULTIMATE.start_main_~x~4 (* 83 ULTIMATE.start_main_~y~4))), 52192#(<= 8976 (+ ULTIMATE.start_main_~x~4 (* 82 ULTIMATE.start_main_~y~4))), 52193#(<= 9300 (+ ULTIMATE.start_main_~x~4 (* 81 ULTIMATE.start_main_~y~4))), 52194#(<= 9620 (+ ULTIMATE.start_main_~x~4 (* 80 ULTIMATE.start_main_~y~4))), 52195#(<= 9936 (+ ULTIMATE.start_main_~x~4 (* 79 ULTIMATE.start_main_~y~4))), 52196#(<= 10248 (+ ULTIMATE.start_main_~x~4 (* 78 ULTIMATE.start_main_~y~4))), 52197#(<= 10556 (+ ULTIMATE.start_main_~x~4 (* 77 ULTIMATE.start_main_~y~4))), 52198#(<= 10860 (+ ULTIMATE.start_main_~x~4 (* 76 ULTIMATE.start_main_~y~4))), 52199#(<= 11160 (+ ULTIMATE.start_main_~x~4 (* 75 ULTIMATE.start_main_~y~4))), 52200#(<= 11456 (+ ULTIMATE.start_main_~x~4 (* 74 ULTIMATE.start_main_~y~4))), 52201#(<= 11748 (+ ULTIMATE.start_main_~x~4 (* 73 ULTIMATE.start_main_~y~4))), 52202#(<= 12036 (+ ULTIMATE.start_main_~x~4 (* 72 ULTIMATE.start_main_~y~4))), 52203#(<= 12320 (+ ULTIMATE.start_main_~x~4 (* 71 ULTIMATE.start_main_~y~4))), 52204#(<= 12600 (+ ULTIMATE.start_main_~x~4 (* 70 ULTIMATE.start_main_~y~4))), 52205#(<= 12876 (+ ULTIMATE.start_main_~x~4 (* 69 ULTIMATE.start_main_~y~4))), 52206#(<= 13148 (+ ULTIMATE.start_main_~x~4 (* 68 ULTIMATE.start_main_~y~4))), 52207#(<= 13416 (+ ULTIMATE.start_main_~x~4 (* 67 ULTIMATE.start_main_~y~4))), 52208#(<= 13680 (+ ULTIMATE.start_main_~x~4 (* 66 ULTIMATE.start_main_~y~4))), 52209#(<= 13940 (+ ULTIMATE.start_main_~x~4 (* 65 ULTIMATE.start_main_~y~4))), 52210#(<= 14196 (+ ULTIMATE.start_main_~x~4 (* 64 ULTIMATE.start_main_~y~4))), 52211#(<= 14448 (+ ULTIMATE.start_main_~x~4 (* 63 ULTIMATE.start_main_~y~4))), 52212#(<= 14696 (+ ULTIMATE.start_main_~x~4 (* 62 ULTIMATE.start_main_~y~4))), 52213#(<= 14940 (+ ULTIMATE.start_main_~x~4 (* 61 ULTIMATE.start_main_~y~4))), 52214#(<= 15180 (+ ULTIMATE.start_main_~x~4 (* 60 ULTIMATE.start_main_~y~4))), 52215#(<= 15416 (+ ULTIMATE.start_main_~x~4 (* 59 ULTIMATE.start_main_~y~4))), 52216#(<= 15648 (+ ULTIMATE.start_main_~x~4 (* 58 ULTIMATE.start_main_~y~4))), 52217#(<= 15876 (+ ULTIMATE.start_main_~x~4 (* 57 ULTIMATE.start_main_~y~4))), 52218#(<= 16100 (+ ULTIMATE.start_main_~x~4 (* 56 ULTIMATE.start_main_~y~4))), 52219#(<= 16320 (+ ULTIMATE.start_main_~x~4 (* 55 ULTIMATE.start_main_~y~4))), 52220#(<= 16536 (+ ULTIMATE.start_main_~x~4 (* 54 ULTIMATE.start_main_~y~4))), 52221#(<= 16748 (+ ULTIMATE.start_main_~x~4 (* 53 ULTIMATE.start_main_~y~4))), 52222#(<= 16956 (+ ULTIMATE.start_main_~x~4 (* 52 ULTIMATE.start_main_~y~4))), 52223#(<= 17160 (+ ULTIMATE.start_main_~x~4 (* 51 ULTIMATE.start_main_~y~4)))] [2018-07-23 13:43:21,082 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 13:43:21,082 INFO L450 AbstractCegarLoop]: Interpolant automaton has 108 states [2018-07-23 13:43:21,082 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 108 interpolants. [2018-07-23 13:43:21,083 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=213, Invalid=11343, Unknown=0, NotChecked=0, Total=11556 [2018-07-23 13:43:21,083 INFO L87 Difference]: Start difference. First operand 213 states and 213 transitions. Second operand 108 states. [2018-07-23 13:43:23,197 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-07-23 13:43:23,197 INFO L93 Difference]: Finished difference Result 218 states and 218 transitions. [2018-07-23 13:43:23,197 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 108 states. [2018-07-23 13:43:23,198 INFO L78 Accepts]: Start accepts. Automaton has 108 states. Word has length 212 [2018-07-23 13:43:23,198 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-07-23 13:43:23,198 INFO L225 Difference]: With dead ends: 218 [2018-07-23 13:43:23,198 INFO L226 Difference]: Without dead ends: 216 [2018-07-23 13:43:23,199 INFO L575 BasicCegarLoop]: 0 DeclaredPredicates, 107 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 106 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.5s TimeCoverageRelationStatistics Valid=213, Invalid=11343, Unknown=0, NotChecked=0, Total=11556 [2018-07-23 13:43:23,199 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 216 states. [2018-07-23 13:43:23,281 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 216 to 215. [2018-07-23 13:43:23,281 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 215 states. [2018-07-23 13:43:23,282 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 215 states to 215 states and 215 transitions. [2018-07-23 13:43:23,282 INFO L78 Accepts]: Start accepts. Automaton has 215 states and 215 transitions. Word has length 212 [2018-07-23 13:43:23,282 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-07-23 13:43:23,282 INFO L471 AbstractCegarLoop]: Abstraction has 215 states and 215 transitions. [2018-07-23 13:43:23,282 INFO L472 AbstractCegarLoop]: Interpolant automaton has 108 states. [2018-07-23 13:43:23,282 INFO L276 IsEmpty]: Start isEmpty. Operand 215 states and 215 transitions. [2018-07-23 13:43:23,283 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 215 [2018-07-23 13:43:23,283 INFO L349 BasicCegarLoop]: Found error trace [2018-07-23 13:43:23,283 INFO L357 BasicCegarLoop]: trace histogram [106, 105, 1, 1, 1] [2018-07-23 13:43:23,283 INFO L414 AbstractCegarLoop]: === Iteration 106 === [ULTIMATE.startErr0AssertViolationASSERT]=== [2018-07-23 13:43:23,284 INFO L82 PathProgramCache]: Analyzing trace with hash 332006069, now seen corresponding path program 105 times [2018-07-23 13:43:23,284 INFO L69 tionRefinementEngine]: Using refinement strategy FixedRefinementStrategy [2018-07-23 13:43:23,507 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-07-23 13:43:24,700 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 13:43:24,700 INFO L309 seRefinementStrategy]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2018-07-23 13:43:24,700 INFO L324 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [108] total 108 [2018-07-23 13:43:24,701 INFO L142 lantAutomatonBuilder]: Constructing canonical interpolant automaton, with selfloop in false state [2018-07-23 13:43:24,701 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-07-23 13:43:24,701 INFO L185 omatonBuilderFactory]: Interpolants [53248#(<= 22684 (+ ULTIMATE.start_main_~x~4 ULTIMATE.start_main_~y~4)), 53249#(<= 1 ULTIMATE.start___VERIFIER_assert_~cond), 53141#true, 53142#false, 53143#(<= 424 (+ ULTIMATE.start_main_~x~4 (* 106 ULTIMATE.start_main_~y~4))), 53144#(<= 844 (+ ULTIMATE.start_main_~x~4 (* 105 ULTIMATE.start_main_~y~4))), 53145#(<= 1260 (+ ULTIMATE.start_main_~x~4 (* 104 ULTIMATE.start_main_~y~4))), 53146#(<= 1672 (+ ULTIMATE.start_main_~x~4 (* 103 ULTIMATE.start_main_~y~4))), 53147#(<= 2080 (+ ULTIMATE.start_main_~x~4 (* 102 ULTIMATE.start_main_~y~4))), 53148#(<= 2484 (+ ULTIMATE.start_main_~x~4 (* 101 ULTIMATE.start_main_~y~4))), 53149#(<= 2884 (+ ULTIMATE.start_main_~x~4 (* 100 ULTIMATE.start_main_~y~4))), 53150#(<= 3280 (+ ULTIMATE.start_main_~x~4 (* 99 ULTIMATE.start_main_~y~4))), 53151#(<= 3672 (+ ULTIMATE.start_main_~x~4 (* 98 ULTIMATE.start_main_~y~4))), 53152#(<= 4060 (+ ULTIMATE.start_main_~x~4 (* 97 ULTIMATE.start_main_~y~4))), 53153#(<= 4444 (+ ULTIMATE.start_main_~x~4 (* 96 ULTIMATE.start_main_~y~4))), 53154#(<= 4824 (+ ULTIMATE.start_main_~x~4 (* 95 ULTIMATE.start_main_~y~4))), 53155#(<= 5200 (+ ULTIMATE.start_main_~x~4 (* 94 ULTIMATE.start_main_~y~4))), 53156#(<= 5572 (+ ULTIMATE.start_main_~x~4 (* 93 ULTIMATE.start_main_~y~4))), 53157#(<= 5940 (+ ULTIMATE.start_main_~x~4 (* 92 ULTIMATE.start_main_~y~4))), 53158#(<= 6304 (+ ULTIMATE.start_main_~x~4 (* 91 ULTIMATE.start_main_~y~4))), 53159#(<= 6664 (+ ULTIMATE.start_main_~x~4 (* 90 ULTIMATE.start_main_~y~4))), 53160#(<= 7020 (+ ULTIMATE.start_main_~x~4 (* 89 ULTIMATE.start_main_~y~4))), 53161#(<= 7372 (+ ULTIMATE.start_main_~x~4 (* 88 ULTIMATE.start_main_~y~4))), 53162#(<= 7720 (+ ULTIMATE.start_main_~x~4 (* 87 ULTIMATE.start_main_~y~4))), 53163#(<= 8064 (+ ULTIMATE.start_main_~x~4 (* 86 ULTIMATE.start_main_~y~4))), 53164#(<= 8404 (+ ULTIMATE.start_main_~x~4 (* 85 ULTIMATE.start_main_~y~4))), 53165#(<= 8740 (+ ULTIMATE.start_main_~x~4 (* 84 ULTIMATE.start_main_~y~4))), 53166#(<= 9072 (+ ULTIMATE.start_main_~x~4 (* 83 ULTIMATE.start_main_~y~4))), 53167#(<= 9400 (+ ULTIMATE.start_main_~x~4 (* 82 ULTIMATE.start_main_~y~4))), 53168#(<= 9724 (+ ULTIMATE.start_main_~x~4 (* 81 ULTIMATE.start_main_~y~4))), 53169#(<= 10044 (+ ULTIMATE.start_main_~x~4 (* 80 ULTIMATE.start_main_~y~4))), 53170#(<= 10360 (+ ULTIMATE.start_main_~x~4 (* 79 ULTIMATE.start_main_~y~4))), 53171#(<= 10672 (+ ULTIMATE.start_main_~x~4 (* 78 ULTIMATE.start_main_~y~4))), 53172#(<= 10980 (+ ULTIMATE.start_main_~x~4 (* 77 ULTIMATE.start_main_~y~4))), 53173#(<= 11284 (+ ULTIMATE.start_main_~x~4 (* 76 ULTIMATE.start_main_~y~4))), 53174#(<= 11584 (+ ULTIMATE.start_main_~x~4 (* 75 ULTIMATE.start_main_~y~4))), 53175#(<= 11880 (+ ULTIMATE.start_main_~x~4 (* 74 ULTIMATE.start_main_~y~4))), 53176#(<= 12172 (+ ULTIMATE.start_main_~x~4 (* 73 ULTIMATE.start_main_~y~4))), 53177#(<= 12460 (+ ULTIMATE.start_main_~x~4 (* 72 ULTIMATE.start_main_~y~4))), 53178#(<= 12744 (+ ULTIMATE.start_main_~x~4 (* 71 ULTIMATE.start_main_~y~4))), 53179#(<= 13024 (+ ULTIMATE.start_main_~x~4 (* 70 ULTIMATE.start_main_~y~4))), 53180#(<= 13300 (+ ULTIMATE.start_main_~x~4 (* 69 ULTIMATE.start_main_~y~4))), 53181#(<= 13572 (+ ULTIMATE.start_main_~x~4 (* 68 ULTIMATE.start_main_~y~4))), 53182#(<= 13840 (+ ULTIMATE.start_main_~x~4 (* 67 ULTIMATE.start_main_~y~4))), 53183#(<= 14104 (+ ULTIMATE.start_main_~x~4 (* 66 ULTIMATE.start_main_~y~4))), 53184#(<= 14364 (+ ULTIMATE.start_main_~x~4 (* 65 ULTIMATE.start_main_~y~4))), 53185#(<= 14620 (+ ULTIMATE.start_main_~x~4 (* 64 ULTIMATE.start_main_~y~4))), 53186#(<= 14872 (+ ULTIMATE.start_main_~x~4 (* 63 ULTIMATE.start_main_~y~4))), 53187#(<= 15120 (+ ULTIMATE.start_main_~x~4 (* 62 ULTIMATE.start_main_~y~4))), 53188#(<= 15364 (+ ULTIMATE.start_main_~x~4 (* 61 ULTIMATE.start_main_~y~4))), 53189#(<= 15604 (+ ULTIMATE.start_main_~x~4 (* 60 ULTIMATE.start_main_~y~4))), 53190#(<= 15840 (+ ULTIMATE.start_main_~x~4 (* 59 ULTIMATE.start_main_~y~4))), 53191#(<= 16072 (+ ULTIMATE.start_main_~x~4 (* 58 ULTIMATE.start_main_~y~4))), 53192#(<= 16300 (+ ULTIMATE.start_main_~x~4 (* 57 ULTIMATE.start_main_~y~4))), 53193#(<= 16524 (+ ULTIMATE.start_main_~x~4 (* 56 ULTIMATE.start_main_~y~4))), 53194#(<= 16744 (+ ULTIMATE.start_main_~x~4 (* 55 ULTIMATE.start_main_~y~4))), 53195#(<= 16960 (+ ULTIMATE.start_main_~x~4 (* 54 ULTIMATE.start_main_~y~4))), 53196#(<= 17172 (+ ULTIMATE.start_main_~x~4 (* 53 ULTIMATE.start_main_~y~4))), 53197#(<= 17380 (+ ULTIMATE.start_main_~x~4 (* 52 ULTIMATE.start_main_~y~4))), 53198#(<= 17584 (+ ULTIMATE.start_main_~x~4 (* 51 ULTIMATE.start_main_~y~4))), 53199#(<= 17784 (+ ULTIMATE.start_main_~x~4 (* 50 ULTIMATE.start_main_~y~4))), 53200#(<= 17980 (+ ULTIMATE.start_main_~x~4 (* 49 ULTIMATE.start_main_~y~4))), 53201#(<= 18172 (+ ULTIMATE.start_main_~x~4 (* 48 ULTIMATE.start_main_~y~4))), 53202#(<= 18360 (+ ULTIMATE.start_main_~x~4 (* 47 ULTIMATE.start_main_~y~4))), 53203#(<= 18544 (+ ULTIMATE.start_main_~x~4 (* 46 ULTIMATE.start_main_~y~4))), 53204#(<= 18724 (+ ULTIMATE.start_main_~x~4 (* 45 ULTIMATE.start_main_~y~4))), 53205#(<= 18900 (+ ULTIMATE.start_main_~x~4 (* 44 ULTIMATE.start_main_~y~4))), 53206#(<= 19072 (+ ULTIMATE.start_main_~x~4 (* 43 ULTIMATE.start_main_~y~4))), 53207#(<= 19240 (+ ULTIMATE.start_main_~x~4 (* 42 ULTIMATE.start_main_~y~4))), 53208#(<= 19404 (+ ULTIMATE.start_main_~x~4 (* 41 ULTIMATE.start_main_~y~4))), 53209#(<= 19564 (+ ULTIMATE.start_main_~x~4 (* 40 ULTIMATE.start_main_~y~4))), 53210#(<= 19720 (+ ULTIMATE.start_main_~x~4 (* 39 ULTIMATE.start_main_~y~4))), 53211#(<= 19872 (+ ULTIMATE.start_main_~x~4 (* 38 ULTIMATE.start_main_~y~4))), 53212#(<= 20020 (+ ULTIMATE.start_main_~x~4 (* 37 ULTIMATE.start_main_~y~4))), 53213#(<= 20164 (+ ULTIMATE.start_main_~x~4 (* 36 ULTIMATE.start_main_~y~4))), 53214#(<= 20304 (+ ULTIMATE.start_main_~x~4 (* 35 ULTIMATE.start_main_~y~4))), 53215#(<= 20440 (+ ULTIMATE.start_main_~x~4 (* 34 ULTIMATE.start_main_~y~4))), 53216#(<= 20572 (+ ULTIMATE.start_main_~x~4 (* 33 ULTIMATE.start_main_~y~4))), 53217#(<= 20700 (+ ULTIMATE.start_main_~x~4 (* 32 ULTIMATE.start_main_~y~4))), 53218#(<= 20824 (+ ULTIMATE.start_main_~x~4 (* 31 ULTIMATE.start_main_~y~4))), 53219#(<= 20944 (+ ULTIMATE.start_main_~x~4 (* 30 ULTIMATE.start_main_~y~4))), 53220#(<= 21060 (+ ULTIMATE.start_main_~x~4 (* 29 ULTIMATE.start_main_~y~4))), 53221#(<= 21172 (+ ULTIMATE.start_main_~x~4 (* 28 ULTIMATE.start_main_~y~4))), 53222#(<= 21280 (+ ULTIMATE.start_main_~x~4 (* 27 ULTIMATE.start_main_~y~4))), 53223#(<= 21384 (+ ULTIMATE.start_main_~x~4 (* 26 ULTIMATE.start_main_~y~4))), 53224#(<= 21484 (+ ULTIMATE.start_main_~x~4 (* 25 ULTIMATE.start_main_~y~4))), 53225#(<= 21580 (+ ULTIMATE.start_main_~x~4 (* 24 ULTIMATE.start_main_~y~4))), 53226#(<= 21672 (+ ULTIMATE.start_main_~x~4 (* 23 ULTIMATE.start_main_~y~4))), 53227#(<= 21760 (+ ULTIMATE.start_main_~x~4 (* 22 ULTIMATE.start_main_~y~4))), 53228#(<= 21844 (+ ULTIMATE.start_main_~x~4 (* 21 ULTIMATE.start_main_~y~4))), 53229#(<= 21924 (+ ULTIMATE.start_main_~x~4 (* 20 ULTIMATE.start_main_~y~4))), 53230#(<= 22000 (+ ULTIMATE.start_main_~x~4 (* 19 ULTIMATE.start_main_~y~4))), 53231#(<= 22072 (+ ULTIMATE.start_main_~x~4 (* 18 ULTIMATE.start_main_~y~4))), 53232#(<= 22140 (+ ULTIMATE.start_main_~x~4 (* 17 ULTIMATE.start_main_~y~4))), 53233#(<= 22204 (+ ULTIMATE.start_main_~x~4 (* 16 ULTIMATE.start_main_~y~4))), 53234#(<= 22264 (+ ULTIMATE.start_main_~x~4 (* 15 ULTIMATE.start_main_~y~4))), 53235#(<= 22320 (+ ULTIMATE.start_main_~x~4 (* 14 ULTIMATE.start_main_~y~4))), 53236#(<= 22372 (+ ULTIMATE.start_main_~x~4 (* 13 ULTIMATE.start_main_~y~4))), 53237#(<= 22420 (+ ULTIMATE.start_main_~x~4 (* 12 ULTIMATE.start_main_~y~4))), 53238#(<= 22464 (+ ULTIMATE.start_main_~x~4 (* 11 ULTIMATE.start_main_~y~4))), 53239#(<= 22504 (+ ULTIMATE.start_main_~x~4 (* 10 ULTIMATE.start_main_~y~4))), 53240#(<= 22540 (+ ULTIMATE.start_main_~x~4 (* 9 ULTIMATE.start_main_~y~4))), 53241#(<= 22572 (+ ULTIMATE.start_main_~x~4 (* 8 ULTIMATE.start_main_~y~4))), 53242#(<= 22600 (+ ULTIMATE.start_main_~x~4 (* 7 ULTIMATE.start_main_~y~4))), 53243#(<= 22624 (+ ULTIMATE.start_main_~x~4 (* 6 ULTIMATE.start_main_~y~4))), 53244#(<= 22644 (+ ULTIMATE.start_main_~x~4 (* 5 ULTIMATE.start_main_~y~4))), 53245#(<= 22660 (+ ULTIMATE.start_main_~x~4 (* 4 ULTIMATE.start_main_~y~4))), 53246#(<= 22672 (+ ULTIMATE.start_main_~x~4 (* 3 ULTIMATE.start_main_~y~4))), 53247#(<= 22680 (+ ULTIMATE.start_main_~x~4 (* 2 ULTIMATE.start_main_~y~4)))] [2018-07-23 13:43:24,702 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 13:43:24,702 INFO L450 AbstractCegarLoop]: Interpolant automaton has 109 states [2018-07-23 13:43:24,702 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 109 interpolants. [2018-07-23 13:43:24,702 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=215, Invalid=11557, Unknown=0, NotChecked=0, Total=11772 [2018-07-23 13:43:24,703 INFO L87 Difference]: Start difference. First operand 215 states and 215 transitions. Second operand 109 states. [2018-07-23 13:43:26,375 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-07-23 13:43:26,375 INFO L93 Difference]: Finished difference Result 220 states and 220 transitions. [2018-07-23 13:43:26,375 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 109 states. [2018-07-23 13:43:26,376 INFO L78 Accepts]: Start accepts. Automaton has 109 states. Word has length 214 [2018-07-23 13:43:26,376 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-07-23 13:43:26,376 INFO L225 Difference]: With dead ends: 220 [2018-07-23 13:43:26,376 INFO L226 Difference]: Without dead ends: 218 [2018-07-23 13:43:26,377 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 13:43:26,377 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 218 states. [2018-07-23 13:43:26,455 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 218 to 217. [2018-07-23 13:43:26,455 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 217 states. [2018-07-23 13:43:26,456 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 217 states to 217 states and 217 transitions. [2018-07-23 13:43:26,456 INFO L78 Accepts]: Start accepts. Automaton has 217 states and 217 transitions. Word has length 214 [2018-07-23 13:43:26,456 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-07-23 13:43:26,456 INFO L471 AbstractCegarLoop]: Abstraction has 217 states and 217 transitions. [2018-07-23 13:43:26,456 INFO L472 AbstractCegarLoop]: Interpolant automaton has 109 states. [2018-07-23 13:43:26,456 INFO L276 IsEmpty]: Start isEmpty. Operand 217 states and 217 transitions. [2018-07-23 13:43:26,457 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 217 [2018-07-23 13:43:26,457 INFO L349 BasicCegarLoop]: Found error trace [2018-07-23 13:43:26,457 INFO L357 BasicCegarLoop]: trace histogram [107, 106, 1, 1, 1] [2018-07-23 13:43:26,457 INFO L414 AbstractCegarLoop]: === Iteration 107 === [ULTIMATE.startErr0AssertViolationASSERT]=== [2018-07-23 13:43:26,457 INFO L82 PathProgramCache]: Analyzing trace with hash 1230199103, now seen corresponding path program 106 times [2018-07-23 13:43:26,458 INFO L69 tionRefinementEngine]: Using refinement strategy FixedRefinementStrategy [2018-07-23 13:43:26,696 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-07-23 13:43:27,947 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 13:43:27,948 INFO L309 seRefinementStrategy]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2018-07-23 13:43:27,948 INFO L324 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [109] total 109 [2018-07-23 13:43:27,948 INFO L142 lantAutomatonBuilder]: Constructing canonical interpolant automaton, with selfloop in false state [2018-07-23 13:43:27,948 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-07-23 13:43:27,949 INFO L185 omatonBuilderFactory]: Interpolants [54124#true, 54125#false, 54126#(<= 428 (+ ULTIMATE.start_main_~x~4 (* 107 ULTIMATE.start_main_~y~4))), 54127#(<= 852 (+ ULTIMATE.start_main_~x~4 (* 106 ULTIMATE.start_main_~y~4))), 54128#(<= 1272 (+ ULTIMATE.start_main_~x~4 (* 105 ULTIMATE.start_main_~y~4))), 54129#(<= 1688 (+ ULTIMATE.start_main_~x~4 (* 104 ULTIMATE.start_main_~y~4))), 54130#(<= 2100 (+ ULTIMATE.start_main_~x~4 (* 103 ULTIMATE.start_main_~y~4))), 54131#(<= 2508 (+ ULTIMATE.start_main_~x~4 (* 102 ULTIMATE.start_main_~y~4))), 54132#(<= 2912 (+ ULTIMATE.start_main_~x~4 (* 101 ULTIMATE.start_main_~y~4))), 54133#(<= 3312 (+ ULTIMATE.start_main_~x~4 (* 100 ULTIMATE.start_main_~y~4))), 54134#(<= 3708 (+ ULTIMATE.start_main_~x~4 (* 99 ULTIMATE.start_main_~y~4))), 54135#(<= 4100 (+ ULTIMATE.start_main_~x~4 (* 98 ULTIMATE.start_main_~y~4))), 54136#(<= 4488 (+ ULTIMATE.start_main_~x~4 (* 97 ULTIMATE.start_main_~y~4))), 54137#(<= 4872 (+ ULTIMATE.start_main_~x~4 (* 96 ULTIMATE.start_main_~y~4))), 54138#(<= 5252 (+ ULTIMATE.start_main_~x~4 (* 95 ULTIMATE.start_main_~y~4))), 54139#(<= 5628 (+ ULTIMATE.start_main_~x~4 (* 94 ULTIMATE.start_main_~y~4))), 54140#(<= 6000 (+ ULTIMATE.start_main_~x~4 (* 93 ULTIMATE.start_main_~y~4))), 54141#(<= 6368 (+ ULTIMATE.start_main_~x~4 (* 92 ULTIMATE.start_main_~y~4))), 54142#(<= 6732 (+ ULTIMATE.start_main_~x~4 (* 91 ULTIMATE.start_main_~y~4))), 54143#(<= 7092 (+ ULTIMATE.start_main_~x~4 (* 90 ULTIMATE.start_main_~y~4))), 54144#(<= 7448 (+ ULTIMATE.start_main_~x~4 (* 89 ULTIMATE.start_main_~y~4))), 54145#(<= 7800 (+ ULTIMATE.start_main_~x~4 (* 88 ULTIMATE.start_main_~y~4))), 54146#(<= 8148 (+ ULTIMATE.start_main_~x~4 (* 87 ULTIMATE.start_main_~y~4))), 54147#(<= 8492 (+ ULTIMATE.start_main_~x~4 (* 86 ULTIMATE.start_main_~y~4))), 54148#(<= 8832 (+ ULTIMATE.start_main_~x~4 (* 85 ULTIMATE.start_main_~y~4))), 54149#(<= 9168 (+ ULTIMATE.start_main_~x~4 (* 84 ULTIMATE.start_main_~y~4))), 54150#(<= 9500 (+ ULTIMATE.start_main_~x~4 (* 83 ULTIMATE.start_main_~y~4))), 54151#(<= 9828 (+ ULTIMATE.start_main_~x~4 (* 82 ULTIMATE.start_main_~y~4))), 54152#(<= 10152 (+ ULTIMATE.start_main_~x~4 (* 81 ULTIMATE.start_main_~y~4))), 54153#(<= 10472 (+ ULTIMATE.start_main_~x~4 (* 80 ULTIMATE.start_main_~y~4))), 54154#(<= 10788 (+ ULTIMATE.start_main_~x~4 (* 79 ULTIMATE.start_main_~y~4))), 54155#(<= 11100 (+ ULTIMATE.start_main_~x~4 (* 78 ULTIMATE.start_main_~y~4))), 54156#(<= 11408 (+ ULTIMATE.start_main_~x~4 (* 77 ULTIMATE.start_main_~y~4))), 54157#(<= 11712 (+ ULTIMATE.start_main_~x~4 (* 76 ULTIMATE.start_main_~y~4))), 54158#(<= 12012 (+ ULTIMATE.start_main_~x~4 (* 75 ULTIMATE.start_main_~y~4))), 54159#(<= 12308 (+ ULTIMATE.start_main_~x~4 (* 74 ULTIMATE.start_main_~y~4))), 54160#(<= 12600 (+ ULTIMATE.start_main_~x~4 (* 73 ULTIMATE.start_main_~y~4))), 54161#(<= 12888 (+ ULTIMATE.start_main_~x~4 (* 72 ULTIMATE.start_main_~y~4))), 54162#(<= 13172 (+ ULTIMATE.start_main_~x~4 (* 71 ULTIMATE.start_main_~y~4))), 54163#(<= 13452 (+ ULTIMATE.start_main_~x~4 (* 70 ULTIMATE.start_main_~y~4))), 54164#(<= 13728 (+ ULTIMATE.start_main_~x~4 (* 69 ULTIMATE.start_main_~y~4))), 54165#(<= 14000 (+ ULTIMATE.start_main_~x~4 (* 68 ULTIMATE.start_main_~y~4))), 54166#(<= 14268 (+ ULTIMATE.start_main_~x~4 (* 67 ULTIMATE.start_main_~y~4))), 54167#(<= 14532 (+ ULTIMATE.start_main_~x~4 (* 66 ULTIMATE.start_main_~y~4))), 54168#(<= 14792 (+ ULTIMATE.start_main_~x~4 (* 65 ULTIMATE.start_main_~y~4))), 54169#(<= 15048 (+ ULTIMATE.start_main_~x~4 (* 64 ULTIMATE.start_main_~y~4))), 54170#(<= 15300 (+ ULTIMATE.start_main_~x~4 (* 63 ULTIMATE.start_main_~y~4))), 54171#(<= 15548 (+ ULTIMATE.start_main_~x~4 (* 62 ULTIMATE.start_main_~y~4))), 54172#(<= 15792 (+ ULTIMATE.start_main_~x~4 (* 61 ULTIMATE.start_main_~y~4))), 54173#(<= 16032 (+ ULTIMATE.start_main_~x~4 (* 60 ULTIMATE.start_main_~y~4))), 54174#(<= 16268 (+ ULTIMATE.start_main_~x~4 (* 59 ULTIMATE.start_main_~y~4))), 54175#(<= 16500 (+ ULTIMATE.start_main_~x~4 (* 58 ULTIMATE.start_main_~y~4))), 54176#(<= 16728 (+ ULTIMATE.start_main_~x~4 (* 57 ULTIMATE.start_main_~y~4))), 54177#(<= 16952 (+ ULTIMATE.start_main_~x~4 (* 56 ULTIMATE.start_main_~y~4))), 54178#(<= 17172 (+ ULTIMATE.start_main_~x~4 (* 55 ULTIMATE.start_main_~y~4))), 54179#(<= 17388 (+ ULTIMATE.start_main_~x~4 (* 54 ULTIMATE.start_main_~y~4))), 54180#(<= 17600 (+ ULTIMATE.start_main_~x~4 (* 53 ULTIMATE.start_main_~y~4))), 54181#(<= 17808 (+ ULTIMATE.start_main_~x~4 (* 52 ULTIMATE.start_main_~y~4))), 54182#(<= 18012 (+ ULTIMATE.start_main_~x~4 (* 51 ULTIMATE.start_main_~y~4))), 54183#(<= 18212 (+ ULTIMATE.start_main_~x~4 (* 50 ULTIMATE.start_main_~y~4))), 54184#(<= 18408 (+ ULTIMATE.start_main_~x~4 (* 49 ULTIMATE.start_main_~y~4))), 54185#(<= 18600 (+ ULTIMATE.start_main_~x~4 (* 48 ULTIMATE.start_main_~y~4))), 54186#(<= 18788 (+ ULTIMATE.start_main_~x~4 (* 47 ULTIMATE.start_main_~y~4))), 54187#(<= 18972 (+ ULTIMATE.start_main_~x~4 (* 46 ULTIMATE.start_main_~y~4))), 54188#(<= 19152 (+ ULTIMATE.start_main_~x~4 (* 45 ULTIMATE.start_main_~y~4))), 54189#(<= 19328 (+ ULTIMATE.start_main_~x~4 (* 44 ULTIMATE.start_main_~y~4))), 54190#(<= 19500 (+ ULTIMATE.start_main_~x~4 (* 43 ULTIMATE.start_main_~y~4))), 54191#(<= 19668 (+ ULTIMATE.start_main_~x~4 (* 42 ULTIMATE.start_main_~y~4))), 54192#(<= 19832 (+ ULTIMATE.start_main_~x~4 (* 41 ULTIMATE.start_main_~y~4))), 54193#(<= 19992 (+ ULTIMATE.start_main_~x~4 (* 40 ULTIMATE.start_main_~y~4))), 54194#(<= 20148 (+ ULTIMATE.start_main_~x~4 (* 39 ULTIMATE.start_main_~y~4))), 54195#(<= 20300 (+ ULTIMATE.start_main_~x~4 (* 38 ULTIMATE.start_main_~y~4))), 54196#(<= 20448 (+ ULTIMATE.start_main_~x~4 (* 37 ULTIMATE.start_main_~y~4))), 54197#(<= 20592 (+ ULTIMATE.start_main_~x~4 (* 36 ULTIMATE.start_main_~y~4))), 54198#(<= 20732 (+ ULTIMATE.start_main_~x~4 (* 35 ULTIMATE.start_main_~y~4))), 54199#(<= 20868 (+ ULTIMATE.start_main_~x~4 (* 34 ULTIMATE.start_main_~y~4))), 54200#(<= 21000 (+ ULTIMATE.start_main_~x~4 (* 33 ULTIMATE.start_main_~y~4))), 54201#(<= 21128 (+ ULTIMATE.start_main_~x~4 (* 32 ULTIMATE.start_main_~y~4))), 54202#(<= 21252 (+ ULTIMATE.start_main_~x~4 (* 31 ULTIMATE.start_main_~y~4))), 54203#(<= 21372 (+ ULTIMATE.start_main_~x~4 (* 30 ULTIMATE.start_main_~y~4))), 54204#(<= 21488 (+ ULTIMATE.start_main_~x~4 (* 29 ULTIMATE.start_main_~y~4))), 54205#(<= 21600 (+ ULTIMATE.start_main_~x~4 (* 28 ULTIMATE.start_main_~y~4))), 54206#(<= 21708 (+ ULTIMATE.start_main_~x~4 (* 27 ULTIMATE.start_main_~y~4))), 54207#(<= 21812 (+ ULTIMATE.start_main_~x~4 (* 26 ULTIMATE.start_main_~y~4))), 54208#(<= 21912 (+ ULTIMATE.start_main_~x~4 (* 25 ULTIMATE.start_main_~y~4))), 54209#(<= 22008 (+ ULTIMATE.start_main_~x~4 (* 24 ULTIMATE.start_main_~y~4))), 54210#(<= 22100 (+ ULTIMATE.start_main_~x~4 (* 23 ULTIMATE.start_main_~y~4))), 54211#(<= 22188 (+ ULTIMATE.start_main_~x~4 (* 22 ULTIMATE.start_main_~y~4))), 54212#(<= 22272 (+ ULTIMATE.start_main_~x~4 (* 21 ULTIMATE.start_main_~y~4))), 54213#(<= 22352 (+ ULTIMATE.start_main_~x~4 (* 20 ULTIMATE.start_main_~y~4))), 54214#(<= 22428 (+ ULTIMATE.start_main_~x~4 (* 19 ULTIMATE.start_main_~y~4))), 54215#(<= 22500 (+ ULTIMATE.start_main_~x~4 (* 18 ULTIMATE.start_main_~y~4))), 54216#(<= 22568 (+ ULTIMATE.start_main_~x~4 (* 17 ULTIMATE.start_main_~y~4))), 54217#(<= 22632 (+ ULTIMATE.start_main_~x~4 (* 16 ULTIMATE.start_main_~y~4))), 54218#(<= 22692 (+ ULTIMATE.start_main_~x~4 (* 15 ULTIMATE.start_main_~y~4))), 54219#(<= 22748 (+ ULTIMATE.start_main_~x~4 (* 14 ULTIMATE.start_main_~y~4))), 54220#(<= 22800 (+ ULTIMATE.start_main_~x~4 (* 13 ULTIMATE.start_main_~y~4))), 54221#(<= 22848 (+ ULTIMATE.start_main_~x~4 (* 12 ULTIMATE.start_main_~y~4))), 54222#(<= 22892 (+ ULTIMATE.start_main_~x~4 (* 11 ULTIMATE.start_main_~y~4))), 54223#(<= 22932 (+ ULTIMATE.start_main_~x~4 (* 10 ULTIMATE.start_main_~y~4))), 54224#(<= 22968 (+ ULTIMATE.start_main_~x~4 (* 9 ULTIMATE.start_main_~y~4))), 54225#(<= 23000 (+ ULTIMATE.start_main_~x~4 (* 8 ULTIMATE.start_main_~y~4))), 54226#(<= 23028 (+ ULTIMATE.start_main_~x~4 (* 7 ULTIMATE.start_main_~y~4))), 54227#(<= 23052 (+ ULTIMATE.start_main_~x~4 (* 6 ULTIMATE.start_main_~y~4))), 54228#(<= 23072 (+ ULTIMATE.start_main_~x~4 (* 5 ULTIMATE.start_main_~y~4))), 54229#(<= 23088 (+ ULTIMATE.start_main_~x~4 (* 4 ULTIMATE.start_main_~y~4))), 54230#(<= 23100 (+ ULTIMATE.start_main_~x~4 (* 3 ULTIMATE.start_main_~y~4))), 54231#(<= 23108 (+ ULTIMATE.start_main_~x~4 (* 2 ULTIMATE.start_main_~y~4))), 54232#(<= 23112 (+ ULTIMATE.start_main_~x~4 ULTIMATE.start_main_~y~4)), 54233#(<= 1 ULTIMATE.start___VERIFIER_assert_~cond)] [2018-07-23 13:43:27,949 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 13:43:27,949 INFO L450 AbstractCegarLoop]: Interpolant automaton has 110 states [2018-07-23 13:43:27,949 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 110 interpolants. [2018-07-23 13:43:27,950 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=217, Invalid=11773, Unknown=0, NotChecked=0, Total=11990 [2018-07-23 13:43:27,950 INFO L87 Difference]: Start difference. First operand 217 states and 217 transitions. Second operand 110 states. [2018-07-23 13:43:30,005 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-07-23 13:43:30,005 INFO L93 Difference]: Finished difference Result 222 states and 222 transitions. [2018-07-23 13:43:30,005 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 110 states. [2018-07-23 13:43:30,005 INFO L78 Accepts]: Start accepts. Automaton has 110 states. Word has length 216 [2018-07-23 13:43:30,006 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-07-23 13:43:30,006 INFO L225 Difference]: With dead ends: 222 [2018-07-23 13:43:30,006 INFO L226 Difference]: Without dead ends: 220 [2018-07-23 13:43:30,007 INFO L575 BasicCegarLoop]: 0 DeclaredPredicates, 109 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 108 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.6s TimeCoverageRelationStatistics Valid=217, Invalid=11773, Unknown=0, NotChecked=0, Total=11990 [2018-07-23 13:43:30,007 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 220 states. [2018-07-23 13:43:30,090 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 220 to 219. [2018-07-23 13:43:30,090 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 219 states. [2018-07-23 13:43:30,090 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 219 states to 219 states and 219 transitions. [2018-07-23 13:43:30,091 INFO L78 Accepts]: Start accepts. Automaton has 219 states and 219 transitions. Word has length 216 [2018-07-23 13:43:30,091 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-07-23 13:43:30,091 INFO L471 AbstractCegarLoop]: Abstraction has 219 states and 219 transitions. [2018-07-23 13:43:30,091 INFO L472 AbstractCegarLoop]: Interpolant automaton has 110 states. [2018-07-23 13:43:30,091 INFO L276 IsEmpty]: Start isEmpty. Operand 219 states and 219 transitions. [2018-07-23 13:43:30,091 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 219 [2018-07-23 13:43:30,092 INFO L349 BasicCegarLoop]: Found error trace [2018-07-23 13:43:30,092 INFO L357 BasicCegarLoop]: trace histogram [108, 107, 1, 1, 1] [2018-07-23 13:43:30,092 INFO L414 AbstractCegarLoop]: === Iteration 108 === [ULTIMATE.startErr0AssertViolationASSERT]=== [2018-07-23 13:43:30,092 INFO L82 PathProgramCache]: Analyzing trace with hash 1105278281, now seen corresponding path program 107 times [2018-07-23 13:43:30,092 INFO L69 tionRefinementEngine]: Using refinement strategy FixedRefinementStrategy [2018-07-23 13:43:30,366 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-07-23 13:43:31,634 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 13:43:31,634 INFO L309 seRefinementStrategy]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2018-07-23 13:43:31,634 INFO L324 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [110] total 110 [2018-07-23 13:43:31,635 INFO L142 lantAutomatonBuilder]: Constructing canonical interpolant automaton, with selfloop in false state [2018-07-23 13:43:31,635 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-07-23 13:43:31,635 INFO L185 omatonBuilderFactory]: Interpolants [55116#true, 55117#false, 55118#(<= 432 (+ ULTIMATE.start_main_~x~4 (* 108 ULTIMATE.start_main_~y~4))), 55119#(<= 860 (+ ULTIMATE.start_main_~x~4 (* 107 ULTIMATE.start_main_~y~4))), 55120#(<= 1284 (+ ULTIMATE.start_main_~x~4 (* 106 ULTIMATE.start_main_~y~4))), 55121#(<= 1704 (+ ULTIMATE.start_main_~x~4 (* 105 ULTIMATE.start_main_~y~4))), 55122#(<= 2120 (+ ULTIMATE.start_main_~x~4 (* 104 ULTIMATE.start_main_~y~4))), 55123#(<= 2532 (+ ULTIMATE.start_main_~x~4 (* 103 ULTIMATE.start_main_~y~4))), 55124#(<= 2940 (+ ULTIMATE.start_main_~x~4 (* 102 ULTIMATE.start_main_~y~4))), 55125#(<= 3344 (+ ULTIMATE.start_main_~x~4 (* 101 ULTIMATE.start_main_~y~4))), 55126#(<= 3744 (+ ULTIMATE.start_main_~x~4 (* 100 ULTIMATE.start_main_~y~4))), 55127#(<= 4140 (+ ULTIMATE.start_main_~x~4 (* 99 ULTIMATE.start_main_~y~4))), 55128#(<= 4532 (+ ULTIMATE.start_main_~x~4 (* 98 ULTIMATE.start_main_~y~4))), 55129#(<= 4920 (+ ULTIMATE.start_main_~x~4 (* 97 ULTIMATE.start_main_~y~4))), 55130#(<= 5304 (+ ULTIMATE.start_main_~x~4 (* 96 ULTIMATE.start_main_~y~4))), 55131#(<= 5684 (+ ULTIMATE.start_main_~x~4 (* 95 ULTIMATE.start_main_~y~4))), 55132#(<= 6060 (+ ULTIMATE.start_main_~x~4 (* 94 ULTIMATE.start_main_~y~4))), 55133#(<= 6432 (+ ULTIMATE.start_main_~x~4 (* 93 ULTIMATE.start_main_~y~4))), 55134#(<= 6800 (+ ULTIMATE.start_main_~x~4 (* 92 ULTIMATE.start_main_~y~4))), 55135#(<= 7164 (+ ULTIMATE.start_main_~x~4 (* 91 ULTIMATE.start_main_~y~4))), 55136#(<= 7524 (+ ULTIMATE.start_main_~x~4 (* 90 ULTIMATE.start_main_~y~4))), 55137#(<= 7880 (+ ULTIMATE.start_main_~x~4 (* 89 ULTIMATE.start_main_~y~4))), 55138#(<= 8232 (+ ULTIMATE.start_main_~x~4 (* 88 ULTIMATE.start_main_~y~4))), 55139#(<= 8580 (+ ULTIMATE.start_main_~x~4 (* 87 ULTIMATE.start_main_~y~4))), 55140#(<= 8924 (+ ULTIMATE.start_main_~x~4 (* 86 ULTIMATE.start_main_~y~4))), 55141#(<= 9264 (+ ULTIMATE.start_main_~x~4 (* 85 ULTIMATE.start_main_~y~4))), 55142#(<= 9600 (+ ULTIMATE.start_main_~x~4 (* 84 ULTIMATE.start_main_~y~4))), 55143#(<= 9932 (+ ULTIMATE.start_main_~x~4 (* 83 ULTIMATE.start_main_~y~4))), 55144#(<= 10260 (+ ULTIMATE.start_main_~x~4 (* 82 ULTIMATE.start_main_~y~4))), 55145#(<= 10584 (+ ULTIMATE.start_main_~x~4 (* 81 ULTIMATE.start_main_~y~4))), 55146#(<= 10904 (+ ULTIMATE.start_main_~x~4 (* 80 ULTIMATE.start_main_~y~4))), 55147#(<= 11220 (+ ULTIMATE.start_main_~x~4 (* 79 ULTIMATE.start_main_~y~4))), 55148#(<= 11532 (+ ULTIMATE.start_main_~x~4 (* 78 ULTIMATE.start_main_~y~4))), 55149#(<= 11840 (+ ULTIMATE.start_main_~x~4 (* 77 ULTIMATE.start_main_~y~4))), 55150#(<= 12144 (+ ULTIMATE.start_main_~x~4 (* 76 ULTIMATE.start_main_~y~4))), 55151#(<= 12444 (+ ULTIMATE.start_main_~x~4 (* 75 ULTIMATE.start_main_~y~4))), 55152#(<= 12740 (+ ULTIMATE.start_main_~x~4 (* 74 ULTIMATE.start_main_~y~4))), 55153#(<= 13032 (+ ULTIMATE.start_main_~x~4 (* 73 ULTIMATE.start_main_~y~4))), 55154#(<= 13320 (+ ULTIMATE.start_main_~x~4 (* 72 ULTIMATE.start_main_~y~4))), 55155#(<= 13604 (+ ULTIMATE.start_main_~x~4 (* 71 ULTIMATE.start_main_~y~4))), 55156#(<= 13884 (+ ULTIMATE.start_main_~x~4 (* 70 ULTIMATE.start_main_~y~4))), 55157#(<= 14160 (+ ULTIMATE.start_main_~x~4 (* 69 ULTIMATE.start_main_~y~4))), 55158#(<= 14432 (+ ULTIMATE.start_main_~x~4 (* 68 ULTIMATE.start_main_~y~4))), 55159#(<= 14700 (+ ULTIMATE.start_main_~x~4 (* 67 ULTIMATE.start_main_~y~4))), 55160#(<= 14964 (+ ULTIMATE.start_main_~x~4 (* 66 ULTIMATE.start_main_~y~4))), 55161#(<= 15224 (+ ULTIMATE.start_main_~x~4 (* 65 ULTIMATE.start_main_~y~4))), 55162#(<= 15480 (+ ULTIMATE.start_main_~x~4 (* 64 ULTIMATE.start_main_~y~4))), 55163#(<= 15732 (+ ULTIMATE.start_main_~x~4 (* 63 ULTIMATE.start_main_~y~4))), 55164#(<= 15980 (+ ULTIMATE.start_main_~x~4 (* 62 ULTIMATE.start_main_~y~4))), 55165#(<= 16224 (+ ULTIMATE.start_main_~x~4 (* 61 ULTIMATE.start_main_~y~4))), 55166#(<= 16464 (+ ULTIMATE.start_main_~x~4 (* 60 ULTIMATE.start_main_~y~4))), 55167#(<= 16700 (+ ULTIMATE.start_main_~x~4 (* 59 ULTIMATE.start_main_~y~4))), 55168#(<= 16932 (+ ULTIMATE.start_main_~x~4 (* 58 ULTIMATE.start_main_~y~4))), 55169#(<= 17160 (+ ULTIMATE.start_main_~x~4 (* 57 ULTIMATE.start_main_~y~4))), 55170#(<= 17384 (+ ULTIMATE.start_main_~x~4 (* 56 ULTIMATE.start_main_~y~4))), 55171#(<= 17604 (+ ULTIMATE.start_main_~x~4 (* 55 ULTIMATE.start_main_~y~4))), 55172#(<= 17820 (+ ULTIMATE.start_main_~x~4 (* 54 ULTIMATE.start_main_~y~4))), 55173#(<= 18032 (+ ULTIMATE.start_main_~x~4 (* 53 ULTIMATE.start_main_~y~4))), 55174#(<= 18240 (+ ULTIMATE.start_main_~x~4 (* 52 ULTIMATE.start_main_~y~4))), 55175#(<= 18444 (+ ULTIMATE.start_main_~x~4 (* 51 ULTIMATE.start_main_~y~4))), 55176#(<= 18644 (+ ULTIMATE.start_main_~x~4 (* 50 ULTIMATE.start_main_~y~4))), 55177#(<= 18840 (+ ULTIMATE.start_main_~x~4 (* 49 ULTIMATE.start_main_~y~4))), 55178#(<= 19032 (+ ULTIMATE.start_main_~x~4 (* 48 ULTIMATE.start_main_~y~4))), 55179#(<= 19220 (+ ULTIMATE.start_main_~x~4 (* 47 ULTIMATE.start_main_~y~4))), 55180#(<= 19404 (+ ULTIMATE.start_main_~x~4 (* 46 ULTIMATE.start_main_~y~4))), 55181#(<= 19584 (+ ULTIMATE.start_main_~x~4 (* 45 ULTIMATE.start_main_~y~4))), 55182#(<= 19760 (+ ULTIMATE.start_main_~x~4 (* 44 ULTIMATE.start_main_~y~4))), 55183#(<= 19932 (+ ULTIMATE.start_main_~x~4 (* 43 ULTIMATE.start_main_~y~4))), 55184#(<= 20100 (+ ULTIMATE.start_main_~x~4 (* 42 ULTIMATE.start_main_~y~4))), 55185#(<= 20264 (+ ULTIMATE.start_main_~x~4 (* 41 ULTIMATE.start_main_~y~4))), 55186#(<= 20424 (+ ULTIMATE.start_main_~x~4 (* 40 ULTIMATE.start_main_~y~4))), 55187#(<= 20580 (+ ULTIMATE.start_main_~x~4 (* 39 ULTIMATE.start_main_~y~4))), 55188#(<= 20732 (+ ULTIMATE.start_main_~x~4 (* 38 ULTIMATE.start_main_~y~4))), 55189#(<= 20880 (+ ULTIMATE.start_main_~x~4 (* 37 ULTIMATE.start_main_~y~4))), 55190#(<= 21024 (+ ULTIMATE.start_main_~x~4 (* 36 ULTIMATE.start_main_~y~4))), 55191#(<= 21164 (+ ULTIMATE.start_main_~x~4 (* 35 ULTIMATE.start_main_~y~4))), 55192#(<= 21300 (+ ULTIMATE.start_main_~x~4 (* 34 ULTIMATE.start_main_~y~4))), 55193#(<= 21432 (+ ULTIMATE.start_main_~x~4 (* 33 ULTIMATE.start_main_~y~4))), 55194#(<= 21560 (+ ULTIMATE.start_main_~x~4 (* 32 ULTIMATE.start_main_~y~4))), 55195#(<= 21684 (+ ULTIMATE.start_main_~x~4 (* 31 ULTIMATE.start_main_~y~4))), 55196#(<= 21804 (+ ULTIMATE.start_main_~x~4 (* 30 ULTIMATE.start_main_~y~4))), 55197#(<= 21920 (+ ULTIMATE.start_main_~x~4 (* 29 ULTIMATE.start_main_~y~4))), 55198#(<= 22032 (+ ULTIMATE.start_main_~x~4 (* 28 ULTIMATE.start_main_~y~4))), 55199#(<= 22140 (+ ULTIMATE.start_main_~x~4 (* 27 ULTIMATE.start_main_~y~4))), 55200#(<= 22244 (+ ULTIMATE.start_main_~x~4 (* 26 ULTIMATE.start_main_~y~4))), 55201#(<= 22344 (+ ULTIMATE.start_main_~x~4 (* 25 ULTIMATE.start_main_~y~4))), 55202#(<= 22440 (+ ULTIMATE.start_main_~x~4 (* 24 ULTIMATE.start_main_~y~4))), 55203#(<= 22532 (+ ULTIMATE.start_main_~x~4 (* 23 ULTIMATE.start_main_~y~4))), 55204#(<= 22620 (+ ULTIMATE.start_main_~x~4 (* 22 ULTIMATE.start_main_~y~4))), 55205#(<= 22704 (+ ULTIMATE.start_main_~x~4 (* 21 ULTIMATE.start_main_~y~4))), 55206#(<= 22784 (+ ULTIMATE.start_main_~x~4 (* 20 ULTIMATE.start_main_~y~4))), 55207#(<= 22860 (+ ULTIMATE.start_main_~x~4 (* 19 ULTIMATE.start_main_~y~4))), 55208#(<= 22932 (+ ULTIMATE.start_main_~x~4 (* 18 ULTIMATE.start_main_~y~4))), 55209#(<= 23000 (+ ULTIMATE.start_main_~x~4 (* 17 ULTIMATE.start_main_~y~4))), 55210#(<= 23064 (+ ULTIMATE.start_main_~x~4 (* 16 ULTIMATE.start_main_~y~4))), 55211#(<= 23124 (+ ULTIMATE.start_main_~x~4 (* 15 ULTIMATE.start_main_~y~4))), 55212#(<= 23180 (+ ULTIMATE.start_main_~x~4 (* 14 ULTIMATE.start_main_~y~4))), 55213#(<= 23232 (+ ULTIMATE.start_main_~x~4 (* 13 ULTIMATE.start_main_~y~4))), 55214#(<= 23280 (+ ULTIMATE.start_main_~x~4 (* 12 ULTIMATE.start_main_~y~4))), 55215#(<= 23324 (+ ULTIMATE.start_main_~x~4 (* 11 ULTIMATE.start_main_~y~4))), 55216#(<= 23364 (+ ULTIMATE.start_main_~x~4 (* 10 ULTIMATE.start_main_~y~4))), 55217#(<= 23400 (+ ULTIMATE.start_main_~x~4 (* 9 ULTIMATE.start_main_~y~4))), 55218#(<= 23432 (+ ULTIMATE.start_main_~x~4 (* 8 ULTIMATE.start_main_~y~4))), 55219#(<= 23460 (+ ULTIMATE.start_main_~x~4 (* 7 ULTIMATE.start_main_~y~4))), 55220#(<= 23484 (+ ULTIMATE.start_main_~x~4 (* 6 ULTIMATE.start_main_~y~4))), 55221#(<= 23504 (+ ULTIMATE.start_main_~x~4 (* 5 ULTIMATE.start_main_~y~4))), 55222#(<= 23520 (+ ULTIMATE.start_main_~x~4 (* 4 ULTIMATE.start_main_~y~4))), 55223#(<= 23532 (+ ULTIMATE.start_main_~x~4 (* 3 ULTIMATE.start_main_~y~4))), 55224#(<= 23540 (+ ULTIMATE.start_main_~x~4 (* 2 ULTIMATE.start_main_~y~4))), 55225#(<= 23544 (+ ULTIMATE.start_main_~x~4 ULTIMATE.start_main_~y~4)), 55226#(<= 1 ULTIMATE.start___VERIFIER_assert_~cond)] [2018-07-23 13:43:31,636 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 13:43:31,636 INFO L450 AbstractCegarLoop]: Interpolant automaton has 111 states [2018-07-23 13:43:31,636 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 111 interpolants. [2018-07-23 13:43:31,637 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=219, Invalid=11991, Unknown=0, NotChecked=0, Total=12210 [2018-07-23 13:43:31,637 INFO L87 Difference]: Start difference. First operand 219 states and 219 transitions. Second operand 111 states. [2018-07-23 13:43:33,736 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-07-23 13:43:33,736 INFO L93 Difference]: Finished difference Result 224 states and 224 transitions. [2018-07-23 13:43:33,736 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 111 states. [2018-07-23 13:43:33,736 INFO L78 Accepts]: Start accepts. Automaton has 111 states. Word has length 218 [2018-07-23 13:43:33,736 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-07-23 13:43:33,737 INFO L225 Difference]: With dead ends: 224 [2018-07-23 13:43:33,737 INFO L226 Difference]: Without dead ends: 222 [2018-07-23 13:43:33,738 INFO L575 BasicCegarLoop]: 0 DeclaredPredicates, 110 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 109 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.6s TimeCoverageRelationStatistics Valid=219, Invalid=11991, Unknown=0, NotChecked=0, Total=12210 [2018-07-23 13:43:33,738 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 222 states. [2018-07-23 13:43:33,855 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 222 to 221. [2018-07-23 13:43:33,855 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 221 states. [2018-07-23 13:43:33,856 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 221 states to 221 states and 221 transitions. [2018-07-23 13:43:33,856 INFO L78 Accepts]: Start accepts. Automaton has 221 states and 221 transitions. Word has length 218 [2018-07-23 13:43:33,856 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-07-23 13:43:33,856 INFO L471 AbstractCegarLoop]: Abstraction has 221 states and 221 transitions. [2018-07-23 13:43:33,856 INFO L472 AbstractCegarLoop]: Interpolant automaton has 111 states. [2018-07-23 13:43:33,856 INFO L276 IsEmpty]: Start isEmpty. Operand 221 states and 221 transitions. [2018-07-23 13:43:33,857 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 221 [2018-07-23 13:43:33,857 INFO L349 BasicCegarLoop]: Found error trace [2018-07-23 13:43:33,857 INFO L357 BasicCegarLoop]: trace histogram [109, 108, 1, 1, 1] [2018-07-23 13:43:33,857 INFO L414 AbstractCegarLoop]: === Iteration 109 === [ULTIMATE.startErr0AssertViolationASSERT]=== [2018-07-23 13:43:33,858 INFO L82 PathProgramCache]: Analyzing trace with hash 1315452627, now seen corresponding path program 108 times [2018-07-23 13:43:33,858 INFO L69 tionRefinementEngine]: Using refinement strategy FixedRefinementStrategy [2018-07-23 13:43:34,144 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-07-23 13:43:35,439 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 13:43:35,439 INFO L309 seRefinementStrategy]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2018-07-23 13:43:35,439 INFO L324 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [111] total 111 [2018-07-23 13:43:35,439 INFO L142 lantAutomatonBuilder]: Constructing canonical interpolant automaton, with selfloop in false state [2018-07-23 13:43:35,440 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 13:43:35,440 INFO L185 omatonBuilderFactory]: Interpolants [56117#true, 56118#false, 56119#(<= 436 (+ ULTIMATE.start_main_~x~4 (* 109 ULTIMATE.start_main_~y~4))), 56120#(<= 868 (+ ULTIMATE.start_main_~x~4 (* 108 ULTIMATE.start_main_~y~4))), 56121#(<= 1296 (+ ULTIMATE.start_main_~x~4 (* 107 ULTIMATE.start_main_~y~4))), 56122#(<= 1720 (+ ULTIMATE.start_main_~x~4 (* 106 ULTIMATE.start_main_~y~4))), 56123#(<= 2140 (+ ULTIMATE.start_main_~x~4 (* 105 ULTIMATE.start_main_~y~4))), 56124#(<= 2556 (+ ULTIMATE.start_main_~x~4 (* 104 ULTIMATE.start_main_~y~4))), 56125#(<= 2968 (+ ULTIMATE.start_main_~x~4 (* 103 ULTIMATE.start_main_~y~4))), 56126#(<= 3376 (+ ULTIMATE.start_main_~x~4 (* 102 ULTIMATE.start_main_~y~4))), 56127#(<= 3780 (+ ULTIMATE.start_main_~x~4 (* 101 ULTIMATE.start_main_~y~4))), 56128#(<= 4180 (+ ULTIMATE.start_main_~x~4 (* 100 ULTIMATE.start_main_~y~4))), 56129#(<= 4576 (+ ULTIMATE.start_main_~x~4 (* 99 ULTIMATE.start_main_~y~4))), 56130#(<= 4968 (+ ULTIMATE.start_main_~x~4 (* 98 ULTIMATE.start_main_~y~4))), 56131#(<= 5356 (+ ULTIMATE.start_main_~x~4 (* 97 ULTIMATE.start_main_~y~4))), 56132#(<= 5740 (+ ULTIMATE.start_main_~x~4 (* 96 ULTIMATE.start_main_~y~4))), 56133#(<= 6120 (+ ULTIMATE.start_main_~x~4 (* 95 ULTIMATE.start_main_~y~4))), 56134#(<= 6496 (+ ULTIMATE.start_main_~x~4 (* 94 ULTIMATE.start_main_~y~4))), 56135#(<= 6868 (+ ULTIMATE.start_main_~x~4 (* 93 ULTIMATE.start_main_~y~4))), 56136#(<= 7236 (+ ULTIMATE.start_main_~x~4 (* 92 ULTIMATE.start_main_~y~4))), 56137#(<= 7600 (+ ULTIMATE.start_main_~x~4 (* 91 ULTIMATE.start_main_~y~4))), 56138#(<= 7960 (+ ULTIMATE.start_main_~x~4 (* 90 ULTIMATE.start_main_~y~4))), 56139#(<= 8316 (+ ULTIMATE.start_main_~x~4 (* 89 ULTIMATE.start_main_~y~4))), 56140#(<= 8668 (+ ULTIMATE.start_main_~x~4 (* 88 ULTIMATE.start_main_~y~4))), 56141#(<= 9016 (+ ULTIMATE.start_main_~x~4 (* 87 ULTIMATE.start_main_~y~4))), 56142#(<= 9360 (+ ULTIMATE.start_main_~x~4 (* 86 ULTIMATE.start_main_~y~4))), 56143#(<= 9700 (+ ULTIMATE.start_main_~x~4 (* 85 ULTIMATE.start_main_~y~4))), 56144#(<= 10036 (+ ULTIMATE.start_main_~x~4 (* 84 ULTIMATE.start_main_~y~4))), 56145#(<= 10368 (+ ULTIMATE.start_main_~x~4 (* 83 ULTIMATE.start_main_~y~4))), 56146#(<= 10696 (+ ULTIMATE.start_main_~x~4 (* 82 ULTIMATE.start_main_~y~4))), 56147#(<= 11020 (+ ULTIMATE.start_main_~x~4 (* 81 ULTIMATE.start_main_~y~4))), 56148#(<= 11340 (+ ULTIMATE.start_main_~x~4 (* 80 ULTIMATE.start_main_~y~4))), 56149#(<= 11656 (+ ULTIMATE.start_main_~x~4 (* 79 ULTIMATE.start_main_~y~4))), 56150#(<= 11968 (+ ULTIMATE.start_main_~x~4 (* 78 ULTIMATE.start_main_~y~4))), 56151#(<= 12276 (+ ULTIMATE.start_main_~x~4 (* 77 ULTIMATE.start_main_~y~4))), 56152#(<= 12580 (+ ULTIMATE.start_main_~x~4 (* 76 ULTIMATE.start_main_~y~4))), 56153#(<= 12880 (+ ULTIMATE.start_main_~x~4 (* 75 ULTIMATE.start_main_~y~4))), 56154#(<= 13176 (+ ULTIMATE.start_main_~x~4 (* 74 ULTIMATE.start_main_~y~4))), 56155#(<= 13468 (+ ULTIMATE.start_main_~x~4 (* 73 ULTIMATE.start_main_~y~4))), 56156#(<= 13756 (+ ULTIMATE.start_main_~x~4 (* 72 ULTIMATE.start_main_~y~4))), 56157#(<= 14040 (+ ULTIMATE.start_main_~x~4 (* 71 ULTIMATE.start_main_~y~4))), 56158#(<= 14320 (+ ULTIMATE.start_main_~x~4 (* 70 ULTIMATE.start_main_~y~4))), 56159#(<= 14596 (+ ULTIMATE.start_main_~x~4 (* 69 ULTIMATE.start_main_~y~4))), 56160#(<= 14868 (+ ULTIMATE.start_main_~x~4 (* 68 ULTIMATE.start_main_~y~4))), 56161#(<= 15136 (+ ULTIMATE.start_main_~x~4 (* 67 ULTIMATE.start_main_~y~4))), 56162#(<= 15400 (+ ULTIMATE.start_main_~x~4 (* 66 ULTIMATE.start_main_~y~4))), 56163#(<= 15660 (+ ULTIMATE.start_main_~x~4 (* 65 ULTIMATE.start_main_~y~4))), 56164#(<= 15916 (+ ULTIMATE.start_main_~x~4 (* 64 ULTIMATE.start_main_~y~4))), 56165#(<= 16168 (+ ULTIMATE.start_main_~x~4 (* 63 ULTIMATE.start_main_~y~4))), 56166#(<= 16416 (+ ULTIMATE.start_main_~x~4 (* 62 ULTIMATE.start_main_~y~4))), 56167#(<= 16660 (+ ULTIMATE.start_main_~x~4 (* 61 ULTIMATE.start_main_~y~4))), 56168#(<= 16900 (+ ULTIMATE.start_main_~x~4 (* 60 ULTIMATE.start_main_~y~4))), 56169#(<= 17136 (+ ULTIMATE.start_main_~x~4 (* 59 ULTIMATE.start_main_~y~4))), 56170#(<= 17368 (+ ULTIMATE.start_main_~x~4 (* 58 ULTIMATE.start_main_~y~4))), 56171#(<= 17596 (+ ULTIMATE.start_main_~x~4 (* 57 ULTIMATE.start_main_~y~4))), 56172#(<= 17820 (+ ULTIMATE.start_main_~x~4 (* 56 ULTIMATE.start_main_~y~4))), 56173#(<= 18040 (+ ULTIMATE.start_main_~x~4 (* 55 ULTIMATE.start_main_~y~4))), 56174#(<= 18256 (+ ULTIMATE.start_main_~x~4 (* 54 ULTIMATE.start_main_~y~4))), 56175#(<= 18468 (+ ULTIMATE.start_main_~x~4 (* 53 ULTIMATE.start_main_~y~4))), 56176#(<= 18676 (+ ULTIMATE.start_main_~x~4 (* 52 ULTIMATE.start_main_~y~4))), 56177#(<= 18880 (+ ULTIMATE.start_main_~x~4 (* 51 ULTIMATE.start_main_~y~4))), 56178#(<= 19080 (+ ULTIMATE.start_main_~x~4 (* 50 ULTIMATE.start_main_~y~4))), 56179#(<= 19276 (+ ULTIMATE.start_main_~x~4 (* 49 ULTIMATE.start_main_~y~4))), 56180#(<= 19468 (+ ULTIMATE.start_main_~x~4 (* 48 ULTIMATE.start_main_~y~4))), 56181#(<= 19656 (+ ULTIMATE.start_main_~x~4 (* 47 ULTIMATE.start_main_~y~4))), 56182#(<= 19840 (+ ULTIMATE.start_main_~x~4 (* 46 ULTIMATE.start_main_~y~4))), 56183#(<= 20020 (+ ULTIMATE.start_main_~x~4 (* 45 ULTIMATE.start_main_~y~4))), 56184#(<= 20196 (+ ULTIMATE.start_main_~x~4 (* 44 ULTIMATE.start_main_~y~4))), 56185#(<= 20368 (+ ULTIMATE.start_main_~x~4 (* 43 ULTIMATE.start_main_~y~4))), 56186#(<= 20536 (+ ULTIMATE.start_main_~x~4 (* 42 ULTIMATE.start_main_~y~4))), 56187#(<= 20700 (+ ULTIMATE.start_main_~x~4 (* 41 ULTIMATE.start_main_~y~4))), 56188#(<= 20860 (+ ULTIMATE.start_main_~x~4 (* 40 ULTIMATE.start_main_~y~4))), 56189#(<= 21016 (+ ULTIMATE.start_main_~x~4 (* 39 ULTIMATE.start_main_~y~4))), 56190#(<= 21168 (+ ULTIMATE.start_main_~x~4 (* 38 ULTIMATE.start_main_~y~4))), 56191#(<= 21316 (+ ULTIMATE.start_main_~x~4 (* 37 ULTIMATE.start_main_~y~4))), 56192#(<= 21460 (+ ULTIMATE.start_main_~x~4 (* 36 ULTIMATE.start_main_~y~4))), 56193#(<= 21600 (+ ULTIMATE.start_main_~x~4 (* 35 ULTIMATE.start_main_~y~4))), 56194#(<= 21736 (+ ULTIMATE.start_main_~x~4 (* 34 ULTIMATE.start_main_~y~4))), 56195#(<= 21868 (+ ULTIMATE.start_main_~x~4 (* 33 ULTIMATE.start_main_~y~4))), 56196#(<= 21996 (+ ULTIMATE.start_main_~x~4 (* 32 ULTIMATE.start_main_~y~4))), 56197#(<= 22120 (+ ULTIMATE.start_main_~x~4 (* 31 ULTIMATE.start_main_~y~4))), 56198#(<= 22240 (+ ULTIMATE.start_main_~x~4 (* 30 ULTIMATE.start_main_~y~4))), 56199#(<= 22356 (+ ULTIMATE.start_main_~x~4 (* 29 ULTIMATE.start_main_~y~4))), 56200#(<= 22468 (+ ULTIMATE.start_main_~x~4 (* 28 ULTIMATE.start_main_~y~4))), 56201#(<= 22576 (+ ULTIMATE.start_main_~x~4 (* 27 ULTIMATE.start_main_~y~4))), 56202#(<= 22680 (+ ULTIMATE.start_main_~x~4 (* 26 ULTIMATE.start_main_~y~4))), 56203#(<= 22780 (+ ULTIMATE.start_main_~x~4 (* 25 ULTIMATE.start_main_~y~4))), 56204#(<= 22876 (+ ULTIMATE.start_main_~x~4 (* 24 ULTIMATE.start_main_~y~4))), 56205#(<= 22968 (+ ULTIMATE.start_main_~x~4 (* 23 ULTIMATE.start_main_~y~4))), 56206#(<= 23056 (+ ULTIMATE.start_main_~x~4 (* 22 ULTIMATE.start_main_~y~4))), 56207#(<= 23140 (+ ULTIMATE.start_main_~x~4 (* 21 ULTIMATE.start_main_~y~4))), 56208#(<= 23220 (+ ULTIMATE.start_main_~x~4 (* 20 ULTIMATE.start_main_~y~4))), 56209#(<= 23296 (+ ULTIMATE.start_main_~x~4 (* 19 ULTIMATE.start_main_~y~4))), 56210#(<= 23368 (+ ULTIMATE.start_main_~x~4 (* 18 ULTIMATE.start_main_~y~4))), 56211#(<= 23436 (+ ULTIMATE.start_main_~x~4 (* 17 ULTIMATE.start_main_~y~4))), 56212#(<= 23500 (+ ULTIMATE.start_main_~x~4 (* 16 ULTIMATE.start_main_~y~4))), 56213#(<= 23560 (+ ULTIMATE.start_main_~x~4 (* 15 ULTIMATE.start_main_~y~4))), 56214#(<= 23616 (+ ULTIMATE.start_main_~x~4 (* 14 ULTIMATE.start_main_~y~4))), 56215#(<= 23668 (+ ULTIMATE.start_main_~x~4 (* 13 ULTIMATE.start_main_~y~4))), 56216#(<= 23716 (+ ULTIMATE.start_main_~x~4 (* 12 ULTIMATE.start_main_~y~4))), 56217#(<= 23760 (+ ULTIMATE.start_main_~x~4 (* 11 ULTIMATE.start_main_~y~4))), 56218#(<= 23800 (+ ULTIMATE.start_main_~x~4 (* 10 ULTIMATE.start_main_~y~4))), 56219#(<= 23836 (+ ULTIMATE.start_main_~x~4 (* 9 ULTIMATE.start_main_~y~4))), 56220#(<= 23868 (+ ULTIMATE.start_main_~x~4 (* 8 ULTIMATE.start_main_~y~4))), 56221#(<= 23896 (+ ULTIMATE.start_main_~x~4 (* 7 ULTIMATE.start_main_~y~4))), 56222#(<= 23920 (+ ULTIMATE.start_main_~x~4 (* 6 ULTIMATE.start_main_~y~4))), 56223#(<= 23940 (+ ULTIMATE.start_main_~x~4 (* 5 ULTIMATE.start_main_~y~4))), 56224#(<= 23956 (+ ULTIMATE.start_main_~x~4 (* 4 ULTIMATE.start_main_~y~4))), 56225#(<= 23968 (+ ULTIMATE.start_main_~x~4 (* 3 ULTIMATE.start_main_~y~4))), 56226#(<= 23976 (+ ULTIMATE.start_main_~x~4 (* 2 ULTIMATE.start_main_~y~4))), 56227#(<= 23980 (+ ULTIMATE.start_main_~x~4 ULTIMATE.start_main_~y~4)), 56228#(<= 1 ULTIMATE.start___VERIFIER_assert_~cond)] [2018-07-23 13:43:35,441 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 13:43:35,441 INFO L450 AbstractCegarLoop]: Interpolant automaton has 112 states [2018-07-23 13:43:35,442 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 112 interpolants. [2018-07-23 13:43:35,442 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=221, Invalid=12211, Unknown=0, NotChecked=0, Total=12432 [2018-07-23 13:43:35,443 INFO L87 Difference]: Start difference. First operand 221 states and 221 transitions. Second operand 112 states. [2018-07-23 13:43:37,614 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-07-23 13:43:37,614 INFO L93 Difference]: Finished difference Result 226 states and 226 transitions. [2018-07-23 13:43:37,614 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 112 states. [2018-07-23 13:43:37,614 INFO L78 Accepts]: Start accepts. Automaton has 112 states. Word has length 220 [2018-07-23 13:43:37,615 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-07-23 13:43:37,615 INFO L225 Difference]: With dead ends: 226 [2018-07-23 13:43:37,615 INFO L226 Difference]: Without dead ends: 224 [2018-07-23 13:43:37,616 INFO L575 BasicCegarLoop]: 0 DeclaredPredicates, 111 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 110 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.6s TimeCoverageRelationStatistics Valid=221, Invalid=12211, Unknown=0, NotChecked=0, Total=12432 [2018-07-23 13:43:37,616 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 224 states. [2018-07-23 13:43:37,711 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 224 to 223. [2018-07-23 13:43:37,711 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 223 states. [2018-07-23 13:43:37,712 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 223 states to 223 states and 223 transitions. [2018-07-23 13:43:37,712 INFO L78 Accepts]: Start accepts. Automaton has 223 states and 223 transitions. Word has length 220 [2018-07-23 13:43:37,712 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-07-23 13:43:37,712 INFO L471 AbstractCegarLoop]: Abstraction has 223 states and 223 transitions. [2018-07-23 13:43:37,712 INFO L472 AbstractCegarLoop]: Interpolant automaton has 112 states. [2018-07-23 13:43:37,712 INFO L276 IsEmpty]: Start isEmpty. Operand 223 states and 223 transitions. [2018-07-23 13:43:37,713 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 223 [2018-07-23 13:43:37,713 INFO L349 BasicCegarLoop]: Found error trace [2018-07-23 13:43:37,713 INFO L357 BasicCegarLoop]: trace histogram [110, 109, 1, 1, 1] [2018-07-23 13:43:37,713 INFO L414 AbstractCegarLoop]: === Iteration 110 === [ULTIMATE.startErr0AssertViolationASSERT]=== [2018-07-23 13:43:37,714 INFO L82 PathProgramCache]: Analyzing trace with hash 1429536221, now seen corresponding path program 109 times [2018-07-23 13:43:37,714 INFO L69 tionRefinementEngine]: Using refinement strategy FixedRefinementStrategy [2018-07-23 13:43:38,038 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-07-23 13:43:39,367 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 13:43:39,368 INFO L309 seRefinementStrategy]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2018-07-23 13:43:39,368 INFO L324 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [112] total 112 [2018-07-23 13:43:39,368 INFO L142 lantAutomatonBuilder]: Constructing canonical interpolant automaton, with selfloop in false state [2018-07-23 13:43:39,368 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-07-23 13:43:39,369 INFO L185 omatonBuilderFactory]: Interpolants [57127#true, 57128#false, 57129#(<= 440 (+ ULTIMATE.start_main_~x~4 (* 110 ULTIMATE.start_main_~y~4))), 57130#(<= 876 (+ ULTIMATE.start_main_~x~4 (* 109 ULTIMATE.start_main_~y~4))), 57131#(<= 1308 (+ ULTIMATE.start_main_~x~4 (* 108 ULTIMATE.start_main_~y~4))), 57132#(<= 1736 (+ ULTIMATE.start_main_~x~4 (* 107 ULTIMATE.start_main_~y~4))), 57133#(<= 2160 (+ ULTIMATE.start_main_~x~4 (* 106 ULTIMATE.start_main_~y~4))), 57134#(<= 2580 (+ ULTIMATE.start_main_~x~4 (* 105 ULTIMATE.start_main_~y~4))), 57135#(<= 2996 (+ ULTIMATE.start_main_~x~4 (* 104 ULTIMATE.start_main_~y~4))), 57136#(<= 3408 (+ ULTIMATE.start_main_~x~4 (* 103 ULTIMATE.start_main_~y~4))), 57137#(<= 3816 (+ ULTIMATE.start_main_~x~4 (* 102 ULTIMATE.start_main_~y~4))), 57138#(<= 4220 (+ ULTIMATE.start_main_~x~4 (* 101 ULTIMATE.start_main_~y~4))), 57139#(<= 4620 (+ ULTIMATE.start_main_~x~4 (* 100 ULTIMATE.start_main_~y~4))), 57140#(<= 5016 (+ ULTIMATE.start_main_~x~4 (* 99 ULTIMATE.start_main_~y~4))), 57141#(<= 5408 (+ ULTIMATE.start_main_~x~4 (* 98 ULTIMATE.start_main_~y~4))), 57142#(<= 5796 (+ ULTIMATE.start_main_~x~4 (* 97 ULTIMATE.start_main_~y~4))), 57143#(<= 6180 (+ ULTIMATE.start_main_~x~4 (* 96 ULTIMATE.start_main_~y~4))), 57144#(<= 6560 (+ ULTIMATE.start_main_~x~4 (* 95 ULTIMATE.start_main_~y~4))), 57145#(<= 6936 (+ ULTIMATE.start_main_~x~4 (* 94 ULTIMATE.start_main_~y~4))), 57146#(<= 7308 (+ ULTIMATE.start_main_~x~4 (* 93 ULTIMATE.start_main_~y~4))), 57147#(<= 7676 (+ ULTIMATE.start_main_~x~4 (* 92 ULTIMATE.start_main_~y~4))), 57148#(<= 8040 (+ ULTIMATE.start_main_~x~4 (* 91 ULTIMATE.start_main_~y~4))), 57149#(<= 8400 (+ ULTIMATE.start_main_~x~4 (* 90 ULTIMATE.start_main_~y~4))), 57150#(<= 8756 (+ ULTIMATE.start_main_~x~4 (* 89 ULTIMATE.start_main_~y~4))), 57151#(<= 9108 (+ ULTIMATE.start_main_~x~4 (* 88 ULTIMATE.start_main_~y~4))), 57152#(<= 9456 (+ ULTIMATE.start_main_~x~4 (* 87 ULTIMATE.start_main_~y~4))), 57153#(<= 9800 (+ ULTIMATE.start_main_~x~4 (* 86 ULTIMATE.start_main_~y~4))), 57154#(<= 10140 (+ ULTIMATE.start_main_~x~4 (* 85 ULTIMATE.start_main_~y~4))), 57155#(<= 10476 (+ ULTIMATE.start_main_~x~4 (* 84 ULTIMATE.start_main_~y~4))), 57156#(<= 10808 (+ ULTIMATE.start_main_~x~4 (* 83 ULTIMATE.start_main_~y~4))), 57157#(<= 11136 (+ ULTIMATE.start_main_~x~4 (* 82 ULTIMATE.start_main_~y~4))), 57158#(<= 11460 (+ ULTIMATE.start_main_~x~4 (* 81 ULTIMATE.start_main_~y~4))), 57159#(<= 11780 (+ ULTIMATE.start_main_~x~4 (* 80 ULTIMATE.start_main_~y~4))), 57160#(<= 12096 (+ ULTIMATE.start_main_~x~4 (* 79 ULTIMATE.start_main_~y~4))), 57161#(<= 12408 (+ ULTIMATE.start_main_~x~4 (* 78 ULTIMATE.start_main_~y~4))), 57162#(<= 12716 (+ ULTIMATE.start_main_~x~4 (* 77 ULTIMATE.start_main_~y~4))), 57163#(<= 13020 (+ ULTIMATE.start_main_~x~4 (* 76 ULTIMATE.start_main_~y~4))), 57164#(<= 13320 (+ ULTIMATE.start_main_~x~4 (* 75 ULTIMATE.start_main_~y~4))), 57165#(<= 13616 (+ ULTIMATE.start_main_~x~4 (* 74 ULTIMATE.start_main_~y~4))), 57166#(<= 13908 (+ ULTIMATE.start_main_~x~4 (* 73 ULTIMATE.start_main_~y~4))), 57167#(<= 14196 (+ ULTIMATE.start_main_~x~4 (* 72 ULTIMATE.start_main_~y~4))), 57168#(<= 14480 (+ ULTIMATE.start_main_~x~4 (* 71 ULTIMATE.start_main_~y~4))), 57169#(<= 14760 (+ ULTIMATE.start_main_~x~4 (* 70 ULTIMATE.start_main_~y~4))), 57170#(<= 15036 (+ ULTIMATE.start_main_~x~4 (* 69 ULTIMATE.start_main_~y~4))), 57171#(<= 15308 (+ ULTIMATE.start_main_~x~4 (* 68 ULTIMATE.start_main_~y~4))), 57172#(<= 15576 (+ ULTIMATE.start_main_~x~4 (* 67 ULTIMATE.start_main_~y~4))), 57173#(<= 15840 (+ ULTIMATE.start_main_~x~4 (* 66 ULTIMATE.start_main_~y~4))), 57174#(<= 16100 (+ ULTIMATE.start_main_~x~4 (* 65 ULTIMATE.start_main_~y~4))), 57175#(<= 16356 (+ ULTIMATE.start_main_~x~4 (* 64 ULTIMATE.start_main_~y~4))), 57176#(<= 16608 (+ ULTIMATE.start_main_~x~4 (* 63 ULTIMATE.start_main_~y~4))), 57177#(<= 16856 (+ ULTIMATE.start_main_~x~4 (* 62 ULTIMATE.start_main_~y~4))), 57178#(<= 17100 (+ ULTIMATE.start_main_~x~4 (* 61 ULTIMATE.start_main_~y~4))), 57179#(<= 17340 (+ ULTIMATE.start_main_~x~4 (* 60 ULTIMATE.start_main_~y~4))), 57180#(<= 17576 (+ ULTIMATE.start_main_~x~4 (* 59 ULTIMATE.start_main_~y~4))), 57181#(<= 17808 (+ ULTIMATE.start_main_~x~4 (* 58 ULTIMATE.start_main_~y~4))), 57182#(<= 18036 (+ ULTIMATE.start_main_~x~4 (* 57 ULTIMATE.start_main_~y~4))), 57183#(<= 18260 (+ ULTIMATE.start_main_~x~4 (* 56 ULTIMATE.start_main_~y~4))), 57184#(<= 18480 (+ ULTIMATE.start_main_~x~4 (* 55 ULTIMATE.start_main_~y~4))), 57185#(<= 18696 (+ ULTIMATE.start_main_~x~4 (* 54 ULTIMATE.start_main_~y~4))), 57186#(<= 18908 (+ ULTIMATE.start_main_~x~4 (* 53 ULTIMATE.start_main_~y~4))), 57187#(<= 19116 (+ ULTIMATE.start_main_~x~4 (* 52 ULTIMATE.start_main_~y~4))), 57188#(<= 19320 (+ ULTIMATE.start_main_~x~4 (* 51 ULTIMATE.start_main_~y~4))), 57189#(<= 19520 (+ ULTIMATE.start_main_~x~4 (* 50 ULTIMATE.start_main_~y~4))), 57190#(<= 19716 (+ ULTIMATE.start_main_~x~4 (* 49 ULTIMATE.start_main_~y~4))), 57191#(<= 19908 (+ ULTIMATE.start_main_~x~4 (* 48 ULTIMATE.start_main_~y~4))), 57192#(<= 20096 (+ ULTIMATE.start_main_~x~4 (* 47 ULTIMATE.start_main_~y~4))), 57193#(<= 20280 (+ ULTIMATE.start_main_~x~4 (* 46 ULTIMATE.start_main_~y~4))), 57194#(<= 20460 (+ ULTIMATE.start_main_~x~4 (* 45 ULTIMATE.start_main_~y~4))), 57195#(<= 20636 (+ ULTIMATE.start_main_~x~4 (* 44 ULTIMATE.start_main_~y~4))), 57196#(<= 20808 (+ ULTIMATE.start_main_~x~4 (* 43 ULTIMATE.start_main_~y~4))), 57197#(<= 20976 (+ ULTIMATE.start_main_~x~4 (* 42 ULTIMATE.start_main_~y~4))), 57198#(<= 21140 (+ ULTIMATE.start_main_~x~4 (* 41 ULTIMATE.start_main_~y~4))), 57199#(<= 21300 (+ ULTIMATE.start_main_~x~4 (* 40 ULTIMATE.start_main_~y~4))), 57200#(<= 21456 (+ ULTIMATE.start_main_~x~4 (* 39 ULTIMATE.start_main_~y~4))), 57201#(<= 21608 (+ ULTIMATE.start_main_~x~4 (* 38 ULTIMATE.start_main_~y~4))), 57202#(<= 21756 (+ ULTIMATE.start_main_~x~4 (* 37 ULTIMATE.start_main_~y~4))), 57203#(<= 21900 (+ ULTIMATE.start_main_~x~4 (* 36 ULTIMATE.start_main_~y~4))), 57204#(<= 22040 (+ ULTIMATE.start_main_~x~4 (* 35 ULTIMATE.start_main_~y~4))), 57205#(<= 22176 (+ ULTIMATE.start_main_~x~4 (* 34 ULTIMATE.start_main_~y~4))), 57206#(<= 22308 (+ ULTIMATE.start_main_~x~4 (* 33 ULTIMATE.start_main_~y~4))), 57207#(<= 22436 (+ ULTIMATE.start_main_~x~4 (* 32 ULTIMATE.start_main_~y~4))), 57208#(<= 22560 (+ ULTIMATE.start_main_~x~4 (* 31 ULTIMATE.start_main_~y~4))), 57209#(<= 22680 (+ ULTIMATE.start_main_~x~4 (* 30 ULTIMATE.start_main_~y~4))), 57210#(<= 22796 (+ ULTIMATE.start_main_~x~4 (* 29 ULTIMATE.start_main_~y~4))), 57211#(<= 22908 (+ ULTIMATE.start_main_~x~4 (* 28 ULTIMATE.start_main_~y~4))), 57212#(<= 23016 (+ ULTIMATE.start_main_~x~4 (* 27 ULTIMATE.start_main_~y~4))), 57213#(<= 23120 (+ ULTIMATE.start_main_~x~4 (* 26 ULTIMATE.start_main_~y~4))), 57214#(<= 23220 (+ ULTIMATE.start_main_~x~4 (* 25 ULTIMATE.start_main_~y~4))), 57215#(<= 23316 (+ ULTIMATE.start_main_~x~4 (* 24 ULTIMATE.start_main_~y~4))), 57216#(<= 23408 (+ ULTIMATE.start_main_~x~4 (* 23 ULTIMATE.start_main_~y~4))), 57217#(<= 23496 (+ ULTIMATE.start_main_~x~4 (* 22 ULTIMATE.start_main_~y~4))), 57218#(<= 23580 (+ ULTIMATE.start_main_~x~4 (* 21 ULTIMATE.start_main_~y~4))), 57219#(<= 23660 (+ ULTIMATE.start_main_~x~4 (* 20 ULTIMATE.start_main_~y~4))), 57220#(<= 23736 (+ ULTIMATE.start_main_~x~4 (* 19 ULTIMATE.start_main_~y~4))), 57221#(<= 23808 (+ ULTIMATE.start_main_~x~4 (* 18 ULTIMATE.start_main_~y~4))), 57222#(<= 23876 (+ ULTIMATE.start_main_~x~4 (* 17 ULTIMATE.start_main_~y~4))), 57223#(<= 23940 (+ ULTIMATE.start_main_~x~4 (* 16 ULTIMATE.start_main_~y~4))), 57224#(<= 24000 (+ ULTIMATE.start_main_~x~4 (* 15 ULTIMATE.start_main_~y~4))), 57225#(<= 24056 (+ ULTIMATE.start_main_~x~4 (* 14 ULTIMATE.start_main_~y~4))), 57226#(<= 24108 (+ ULTIMATE.start_main_~x~4 (* 13 ULTIMATE.start_main_~y~4))), 57227#(<= 24156 (+ ULTIMATE.start_main_~x~4 (* 12 ULTIMATE.start_main_~y~4))), 57228#(<= 24200 (+ ULTIMATE.start_main_~x~4 (* 11 ULTIMATE.start_main_~y~4))), 57229#(<= 24240 (+ ULTIMATE.start_main_~x~4 (* 10 ULTIMATE.start_main_~y~4))), 57230#(<= 24276 (+ ULTIMATE.start_main_~x~4 (* 9 ULTIMATE.start_main_~y~4))), 57231#(<= 24308 (+ ULTIMATE.start_main_~x~4 (* 8 ULTIMATE.start_main_~y~4))), 57232#(<= 24336 (+ ULTIMATE.start_main_~x~4 (* 7 ULTIMATE.start_main_~y~4))), 57233#(<= 24360 (+ ULTIMATE.start_main_~x~4 (* 6 ULTIMATE.start_main_~y~4))), 57234#(<= 24380 (+ ULTIMATE.start_main_~x~4 (* 5 ULTIMATE.start_main_~y~4))), 57235#(<= 24396 (+ ULTIMATE.start_main_~x~4 (* 4 ULTIMATE.start_main_~y~4))), 57236#(<= 24408 (+ ULTIMATE.start_main_~x~4 (* 3 ULTIMATE.start_main_~y~4))), 57237#(<= 24416 (+ ULTIMATE.start_main_~x~4 (* 2 ULTIMATE.start_main_~y~4))), 57238#(<= 24420 (+ ULTIMATE.start_main_~x~4 ULTIMATE.start_main_~y~4)), 57239#(<= 1 ULTIMATE.start___VERIFIER_assert_~cond)] [2018-07-23 13:43:39,369 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 13:43:39,370 INFO L450 AbstractCegarLoop]: Interpolant automaton has 113 states [2018-07-23 13:43:39,370 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 113 interpolants. [2018-07-23 13:43:39,371 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=223, Invalid=12433, Unknown=0, NotChecked=0, Total=12656 [2018-07-23 13:43:39,371 INFO L87 Difference]: Start difference. First operand 223 states and 223 transitions. Second operand 113 states. [2018-07-23 13:43:41,600 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-07-23 13:43:41,600 INFO L93 Difference]: Finished difference Result 228 states and 228 transitions. [2018-07-23 13:43:41,600 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 113 states. [2018-07-23 13:43:41,600 INFO L78 Accepts]: Start accepts. Automaton has 113 states. Word has length 222 [2018-07-23 13:43:41,600 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-07-23 13:43:41,601 INFO L225 Difference]: With dead ends: 228 [2018-07-23 13:43:41,601 INFO L226 Difference]: Without dead ends: 226 [2018-07-23 13:43:41,601 INFO L575 BasicCegarLoop]: 0 DeclaredPredicates, 112 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 111 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.6s TimeCoverageRelationStatistics Valid=223, Invalid=12433, Unknown=0, NotChecked=0, Total=12656 [2018-07-23 13:43:41,602 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 226 states. [2018-07-23 13:43:41,690 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 226 to 225. [2018-07-23 13:43:41,690 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 225 states. [2018-07-23 13:43:41,690 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 225 states to 225 states and 225 transitions. [2018-07-23 13:43:41,690 INFO L78 Accepts]: Start accepts. Automaton has 225 states and 225 transitions. Word has length 222 [2018-07-23 13:43:41,691 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-07-23 13:43:41,691 INFO L471 AbstractCegarLoop]: Abstraction has 225 states and 225 transitions. [2018-07-23 13:43:41,691 INFO L472 AbstractCegarLoop]: Interpolant automaton has 113 states. [2018-07-23 13:43:41,691 INFO L276 IsEmpty]: Start isEmpty. Operand 225 states and 225 transitions. [2018-07-23 13:43:41,691 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 225 [2018-07-23 13:43:41,691 INFO L349 BasicCegarLoop]: Found error trace [2018-07-23 13:43:41,692 INFO L357 BasicCegarLoop]: trace histogram [111, 110, 1, 1, 1] [2018-07-23 13:43:41,692 INFO L414 AbstractCegarLoop]: === Iteration 111 === [ULTIMATE.startErr0AssertViolationASSERT]=== [2018-07-23 13:43:41,692 INFO L82 PathProgramCache]: Analyzing trace with hash -605279641, now seen corresponding path program 110 times [2018-07-23 13:43:41,692 INFO L69 tionRefinementEngine]: Using refinement strategy FixedRefinementStrategy [2018-07-23 13:43:41,959 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-07-23 13:43:43,251 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 13:43:43,251 INFO L309 seRefinementStrategy]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2018-07-23 13:43:43,251 INFO L324 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [113] total 113 [2018-07-23 13:43:43,252 INFO L142 lantAutomatonBuilder]: Constructing canonical interpolant automaton, with selfloop in false state [2018-07-23 13:43:43,252 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-07-23 13:43:43,252 INFO L185 omatonBuilderFactory]: Interpolants [58146#true, 58147#false, 58148#(<= 444 (+ ULTIMATE.start_main_~x~4 (* 111 ULTIMATE.start_main_~y~4))), 58149#(<= 884 (+ ULTIMATE.start_main_~x~4 (* 110 ULTIMATE.start_main_~y~4))), 58150#(<= 1320 (+ ULTIMATE.start_main_~x~4 (* 109 ULTIMATE.start_main_~y~4))), 58151#(<= 1752 (+ ULTIMATE.start_main_~x~4 (* 108 ULTIMATE.start_main_~y~4))), 58152#(<= 2180 (+ ULTIMATE.start_main_~x~4 (* 107 ULTIMATE.start_main_~y~4))), 58153#(<= 2604 (+ ULTIMATE.start_main_~x~4 (* 106 ULTIMATE.start_main_~y~4))), 58154#(<= 3024 (+ ULTIMATE.start_main_~x~4 (* 105 ULTIMATE.start_main_~y~4))), 58155#(<= 3440 (+ ULTIMATE.start_main_~x~4 (* 104 ULTIMATE.start_main_~y~4))), 58156#(<= 3852 (+ ULTIMATE.start_main_~x~4 (* 103 ULTIMATE.start_main_~y~4))), 58157#(<= 4260 (+ ULTIMATE.start_main_~x~4 (* 102 ULTIMATE.start_main_~y~4))), 58158#(<= 4664 (+ ULTIMATE.start_main_~x~4 (* 101 ULTIMATE.start_main_~y~4))), 58159#(<= 5064 (+ ULTIMATE.start_main_~x~4 (* 100 ULTIMATE.start_main_~y~4))), 58160#(<= 5460 (+ ULTIMATE.start_main_~x~4 (* 99 ULTIMATE.start_main_~y~4))), 58161#(<= 5852 (+ ULTIMATE.start_main_~x~4 (* 98 ULTIMATE.start_main_~y~4))), 58162#(<= 6240 (+ ULTIMATE.start_main_~x~4 (* 97 ULTIMATE.start_main_~y~4))), 58163#(<= 6624 (+ ULTIMATE.start_main_~x~4 (* 96 ULTIMATE.start_main_~y~4))), 58164#(<= 7004 (+ ULTIMATE.start_main_~x~4 (* 95 ULTIMATE.start_main_~y~4))), 58165#(<= 7380 (+ ULTIMATE.start_main_~x~4 (* 94 ULTIMATE.start_main_~y~4))), 58166#(<= 7752 (+ ULTIMATE.start_main_~x~4 (* 93 ULTIMATE.start_main_~y~4))), 58167#(<= 8120 (+ ULTIMATE.start_main_~x~4 (* 92 ULTIMATE.start_main_~y~4))), 58168#(<= 8484 (+ ULTIMATE.start_main_~x~4 (* 91 ULTIMATE.start_main_~y~4))), 58169#(<= 8844 (+ ULTIMATE.start_main_~x~4 (* 90 ULTIMATE.start_main_~y~4))), 58170#(<= 9200 (+ ULTIMATE.start_main_~x~4 (* 89 ULTIMATE.start_main_~y~4))), 58171#(<= 9552 (+ ULTIMATE.start_main_~x~4 (* 88 ULTIMATE.start_main_~y~4))), 58172#(<= 9900 (+ ULTIMATE.start_main_~x~4 (* 87 ULTIMATE.start_main_~y~4))), 58173#(<= 10244 (+ ULTIMATE.start_main_~x~4 (* 86 ULTIMATE.start_main_~y~4))), 58174#(<= 10584 (+ ULTIMATE.start_main_~x~4 (* 85 ULTIMATE.start_main_~y~4))), 58175#(<= 10920 (+ ULTIMATE.start_main_~x~4 (* 84 ULTIMATE.start_main_~y~4))), 58176#(<= 11252 (+ ULTIMATE.start_main_~x~4 (* 83 ULTIMATE.start_main_~y~4))), 58177#(<= 11580 (+ ULTIMATE.start_main_~x~4 (* 82 ULTIMATE.start_main_~y~4))), 58178#(<= 11904 (+ ULTIMATE.start_main_~x~4 (* 81 ULTIMATE.start_main_~y~4))), 58179#(<= 12224 (+ ULTIMATE.start_main_~x~4 (* 80 ULTIMATE.start_main_~y~4))), 58180#(<= 12540 (+ ULTIMATE.start_main_~x~4 (* 79 ULTIMATE.start_main_~y~4))), 58181#(<= 12852 (+ ULTIMATE.start_main_~x~4 (* 78 ULTIMATE.start_main_~y~4))), 58182#(<= 13160 (+ ULTIMATE.start_main_~x~4 (* 77 ULTIMATE.start_main_~y~4))), 58183#(<= 13464 (+ ULTIMATE.start_main_~x~4 (* 76 ULTIMATE.start_main_~y~4))), 58184#(<= 13764 (+ ULTIMATE.start_main_~x~4 (* 75 ULTIMATE.start_main_~y~4))), 58185#(<= 14060 (+ ULTIMATE.start_main_~x~4 (* 74 ULTIMATE.start_main_~y~4))), 58186#(<= 14352 (+ ULTIMATE.start_main_~x~4 (* 73 ULTIMATE.start_main_~y~4))), 58187#(<= 14640 (+ ULTIMATE.start_main_~x~4 (* 72 ULTIMATE.start_main_~y~4))), 58188#(<= 14924 (+ ULTIMATE.start_main_~x~4 (* 71 ULTIMATE.start_main_~y~4))), 58189#(<= 15204 (+ ULTIMATE.start_main_~x~4 (* 70 ULTIMATE.start_main_~y~4))), 58190#(<= 15480 (+ ULTIMATE.start_main_~x~4 (* 69 ULTIMATE.start_main_~y~4))), 58191#(<= 15752 (+ ULTIMATE.start_main_~x~4 (* 68 ULTIMATE.start_main_~y~4))), 58192#(<= 16020 (+ ULTIMATE.start_main_~x~4 (* 67 ULTIMATE.start_main_~y~4))), 58193#(<= 16284 (+ ULTIMATE.start_main_~x~4 (* 66 ULTIMATE.start_main_~y~4))), 58194#(<= 16544 (+ ULTIMATE.start_main_~x~4 (* 65 ULTIMATE.start_main_~y~4))), 58195#(<= 16800 (+ ULTIMATE.start_main_~x~4 (* 64 ULTIMATE.start_main_~y~4))), 58196#(<= 17052 (+ ULTIMATE.start_main_~x~4 (* 63 ULTIMATE.start_main_~y~4))), 58197#(<= 17300 (+ ULTIMATE.start_main_~x~4 (* 62 ULTIMATE.start_main_~y~4))), 58198#(<= 17544 (+ ULTIMATE.start_main_~x~4 (* 61 ULTIMATE.start_main_~y~4))), 58199#(<= 17784 (+ ULTIMATE.start_main_~x~4 (* 60 ULTIMATE.start_main_~y~4))), 58200#(<= 18020 (+ ULTIMATE.start_main_~x~4 (* 59 ULTIMATE.start_main_~y~4))), 58201#(<= 18252 (+ ULTIMATE.start_main_~x~4 (* 58 ULTIMATE.start_main_~y~4))), 58202#(<= 18480 (+ ULTIMATE.start_main_~x~4 (* 57 ULTIMATE.start_main_~y~4))), 58203#(<= 18704 (+ ULTIMATE.start_main_~x~4 (* 56 ULTIMATE.start_main_~y~4))), 58204#(<= 18924 (+ ULTIMATE.start_main_~x~4 (* 55 ULTIMATE.start_main_~y~4))), 58205#(<= 19140 (+ ULTIMATE.start_main_~x~4 (* 54 ULTIMATE.start_main_~y~4))), 58206#(<= 19352 (+ ULTIMATE.start_main_~x~4 (* 53 ULTIMATE.start_main_~y~4))), 58207#(<= 19560 (+ ULTIMATE.start_main_~x~4 (* 52 ULTIMATE.start_main_~y~4))), 58208#(<= 19764 (+ ULTIMATE.start_main_~x~4 (* 51 ULTIMATE.start_main_~y~4))), 58209#(<= 19964 (+ ULTIMATE.start_main_~x~4 (* 50 ULTIMATE.start_main_~y~4))), 58210#(<= 20160 (+ ULTIMATE.start_main_~x~4 (* 49 ULTIMATE.start_main_~y~4))), 58211#(<= 20352 (+ ULTIMATE.start_main_~x~4 (* 48 ULTIMATE.start_main_~y~4))), 58212#(<= 20540 (+ ULTIMATE.start_main_~x~4 (* 47 ULTIMATE.start_main_~y~4))), 58213#(<= 20724 (+ ULTIMATE.start_main_~x~4 (* 46 ULTIMATE.start_main_~y~4))), 58214#(<= 20904 (+ ULTIMATE.start_main_~x~4 (* 45 ULTIMATE.start_main_~y~4))), 58215#(<= 21080 (+ ULTIMATE.start_main_~x~4 (* 44 ULTIMATE.start_main_~y~4))), 58216#(<= 21252 (+ ULTIMATE.start_main_~x~4 (* 43 ULTIMATE.start_main_~y~4))), 58217#(<= 21420 (+ ULTIMATE.start_main_~x~4 (* 42 ULTIMATE.start_main_~y~4))), 58218#(<= 21584 (+ ULTIMATE.start_main_~x~4 (* 41 ULTIMATE.start_main_~y~4))), 58219#(<= 21744 (+ ULTIMATE.start_main_~x~4 (* 40 ULTIMATE.start_main_~y~4))), 58220#(<= 21900 (+ ULTIMATE.start_main_~x~4 (* 39 ULTIMATE.start_main_~y~4))), 58221#(<= 22052 (+ ULTIMATE.start_main_~x~4 (* 38 ULTIMATE.start_main_~y~4))), 58222#(<= 22200 (+ ULTIMATE.start_main_~x~4 (* 37 ULTIMATE.start_main_~y~4))), 58223#(<= 22344 (+ ULTIMATE.start_main_~x~4 (* 36 ULTIMATE.start_main_~y~4))), 58224#(<= 22484 (+ ULTIMATE.start_main_~x~4 (* 35 ULTIMATE.start_main_~y~4))), 58225#(<= 22620 (+ ULTIMATE.start_main_~x~4 (* 34 ULTIMATE.start_main_~y~4))), 58226#(<= 22752 (+ ULTIMATE.start_main_~x~4 (* 33 ULTIMATE.start_main_~y~4))), 58227#(<= 22880 (+ ULTIMATE.start_main_~x~4 (* 32 ULTIMATE.start_main_~y~4))), 58228#(<= 23004 (+ ULTIMATE.start_main_~x~4 (* 31 ULTIMATE.start_main_~y~4))), 58229#(<= 23124 (+ ULTIMATE.start_main_~x~4 (* 30 ULTIMATE.start_main_~y~4))), 58230#(<= 23240 (+ ULTIMATE.start_main_~x~4 (* 29 ULTIMATE.start_main_~y~4))), 58231#(<= 23352 (+ ULTIMATE.start_main_~x~4 (* 28 ULTIMATE.start_main_~y~4))), 58232#(<= 23460 (+ ULTIMATE.start_main_~x~4 (* 27 ULTIMATE.start_main_~y~4))), 58233#(<= 23564 (+ ULTIMATE.start_main_~x~4 (* 26 ULTIMATE.start_main_~y~4))), 58234#(<= 23664 (+ ULTIMATE.start_main_~x~4 (* 25 ULTIMATE.start_main_~y~4))), 58235#(<= 23760 (+ ULTIMATE.start_main_~x~4 (* 24 ULTIMATE.start_main_~y~4))), 58236#(<= 23852 (+ ULTIMATE.start_main_~x~4 (* 23 ULTIMATE.start_main_~y~4))), 58237#(<= 23940 (+ ULTIMATE.start_main_~x~4 (* 22 ULTIMATE.start_main_~y~4))), 58238#(<= 24024 (+ ULTIMATE.start_main_~x~4 (* 21 ULTIMATE.start_main_~y~4))), 58239#(<= 24104 (+ ULTIMATE.start_main_~x~4 (* 20 ULTIMATE.start_main_~y~4))), 58240#(<= 24180 (+ ULTIMATE.start_main_~x~4 (* 19 ULTIMATE.start_main_~y~4))), 58241#(<= 24252 (+ ULTIMATE.start_main_~x~4 (* 18 ULTIMATE.start_main_~y~4))), 58242#(<= 24320 (+ ULTIMATE.start_main_~x~4 (* 17 ULTIMATE.start_main_~y~4))), 58243#(<= 24384 (+ ULTIMATE.start_main_~x~4 (* 16 ULTIMATE.start_main_~y~4))), 58244#(<= 24444 (+ ULTIMATE.start_main_~x~4 (* 15 ULTIMATE.start_main_~y~4))), 58245#(<= 24500 (+ ULTIMATE.start_main_~x~4 (* 14 ULTIMATE.start_main_~y~4))), 58246#(<= 24552 (+ ULTIMATE.start_main_~x~4 (* 13 ULTIMATE.start_main_~y~4))), 58247#(<= 24600 (+ ULTIMATE.start_main_~x~4 (* 12 ULTIMATE.start_main_~y~4))), 58248#(<= 24644 (+ ULTIMATE.start_main_~x~4 (* 11 ULTIMATE.start_main_~y~4))), 58249#(<= 24684 (+ ULTIMATE.start_main_~x~4 (* 10 ULTIMATE.start_main_~y~4))), 58250#(<= 24720 (+ ULTIMATE.start_main_~x~4 (* 9 ULTIMATE.start_main_~y~4))), 58251#(<= 24752 (+ ULTIMATE.start_main_~x~4 (* 8 ULTIMATE.start_main_~y~4))), 58252#(<= 24780 (+ ULTIMATE.start_main_~x~4 (* 7 ULTIMATE.start_main_~y~4))), 58253#(<= 24804 (+ ULTIMATE.start_main_~x~4 (* 6 ULTIMATE.start_main_~y~4))), 58254#(<= 24824 (+ ULTIMATE.start_main_~x~4 (* 5 ULTIMATE.start_main_~y~4))), 58255#(<= 24840 (+ ULTIMATE.start_main_~x~4 (* 4 ULTIMATE.start_main_~y~4))), 58256#(<= 24852 (+ ULTIMATE.start_main_~x~4 (* 3 ULTIMATE.start_main_~y~4))), 58257#(<= 24860 (+ ULTIMATE.start_main_~x~4 (* 2 ULTIMATE.start_main_~y~4))), 58258#(<= 24864 (+ ULTIMATE.start_main_~x~4 ULTIMATE.start_main_~y~4)), 58259#(<= 1 ULTIMATE.start___VERIFIER_assert_~cond)] [2018-07-23 13:43:43,253 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 13:43:43,253 INFO L450 AbstractCegarLoop]: Interpolant automaton has 114 states [2018-07-23 13:43:43,253 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 114 interpolants. [2018-07-23 13:43:43,254 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=225, Invalid=12657, Unknown=0, NotChecked=0, Total=12882 [2018-07-23 13:43:43,254 INFO L87 Difference]: Start difference. First operand 225 states and 225 transitions. Second operand 114 states. [2018-07-23 13:43:45,438 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-07-23 13:43:45,438 INFO L93 Difference]: Finished difference Result 230 states and 230 transitions. [2018-07-23 13:43:45,438 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 114 states. [2018-07-23 13:43:45,438 INFO L78 Accepts]: Start accepts. Automaton has 114 states. Word has length 224 [2018-07-23 13:43:45,438 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-07-23 13:43:45,439 INFO L225 Difference]: With dead ends: 230 [2018-07-23 13:43:45,439 INFO L226 Difference]: Without dead ends: 228 [2018-07-23 13:43:45,439 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 13:43:45,439 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 228 states. [2018-07-23 13:43:45,528 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 228 to 227. [2018-07-23 13:43:45,529 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 227 states. [2018-07-23 13:43:45,529 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 227 states to 227 states and 227 transitions. [2018-07-23 13:43:45,529 INFO L78 Accepts]: Start accepts. Automaton has 227 states and 227 transitions. Word has length 224 [2018-07-23 13:43:45,529 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-07-23 13:43:45,529 INFO L471 AbstractCegarLoop]: Abstraction has 227 states and 227 transitions. [2018-07-23 13:43:45,529 INFO L472 AbstractCegarLoop]: Interpolant automaton has 114 states. [2018-07-23 13:43:45,529 INFO L276 IsEmpty]: Start isEmpty. Operand 227 states and 227 transitions. [2018-07-23 13:43:45,530 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 227 [2018-07-23 13:43:45,530 INFO L349 BasicCegarLoop]: Found error trace [2018-07-23 13:43:45,530 INFO L357 BasicCegarLoop]: trace histogram [112, 111, 1, 1, 1] [2018-07-23 13:43:45,530 INFO L414 AbstractCegarLoop]: === Iteration 112 === [ULTIMATE.startErr0AssertViolationASSERT]=== [2018-07-23 13:43:45,530 INFO L82 PathProgramCache]: Analyzing trace with hash -1853203343, now seen corresponding path program 111 times [2018-07-23 13:43:45,531 INFO L69 tionRefinementEngine]: Using refinement strategy FixedRefinementStrategy [2018-07-23 13:43:45,791 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-07-23 13:43:47,123 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 13:43:47,123 INFO L309 seRefinementStrategy]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2018-07-23 13:43:47,123 INFO L324 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [114] total 114 [2018-07-23 13:43:47,124 INFO L142 lantAutomatonBuilder]: Constructing canonical interpolant automaton, with selfloop in false state [2018-07-23 13:43:47,124 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-07-23 13:43:47,124 INFO L185 omatonBuilderFactory]: Interpolants [59174#true, 59175#false, 59176#(<= 448 (+ ULTIMATE.start_main_~x~4 (* 112 ULTIMATE.start_main_~y~4))), 59177#(<= 892 (+ ULTIMATE.start_main_~x~4 (* 111 ULTIMATE.start_main_~y~4))), 59178#(<= 1332 (+ ULTIMATE.start_main_~x~4 (* 110 ULTIMATE.start_main_~y~4))), 59179#(<= 1768 (+ ULTIMATE.start_main_~x~4 (* 109 ULTIMATE.start_main_~y~4))), 59180#(<= 2200 (+ ULTIMATE.start_main_~x~4 (* 108 ULTIMATE.start_main_~y~4))), 59181#(<= 2628 (+ ULTIMATE.start_main_~x~4 (* 107 ULTIMATE.start_main_~y~4))), 59182#(<= 3052 (+ ULTIMATE.start_main_~x~4 (* 106 ULTIMATE.start_main_~y~4))), 59183#(<= 3472 (+ ULTIMATE.start_main_~x~4 (* 105 ULTIMATE.start_main_~y~4))), 59184#(<= 3888 (+ ULTIMATE.start_main_~x~4 (* 104 ULTIMATE.start_main_~y~4))), 59185#(<= 4300 (+ ULTIMATE.start_main_~x~4 (* 103 ULTIMATE.start_main_~y~4))), 59186#(<= 4708 (+ ULTIMATE.start_main_~x~4 (* 102 ULTIMATE.start_main_~y~4))), 59187#(<= 5112 (+ ULTIMATE.start_main_~x~4 (* 101 ULTIMATE.start_main_~y~4))), 59188#(<= 5512 (+ ULTIMATE.start_main_~x~4 (* 100 ULTIMATE.start_main_~y~4))), 59189#(<= 5908 (+ ULTIMATE.start_main_~x~4 (* 99 ULTIMATE.start_main_~y~4))), 59190#(<= 6300 (+ ULTIMATE.start_main_~x~4 (* 98 ULTIMATE.start_main_~y~4))), 59191#(<= 6688 (+ ULTIMATE.start_main_~x~4 (* 97 ULTIMATE.start_main_~y~4))), 59192#(<= 7072 (+ ULTIMATE.start_main_~x~4 (* 96 ULTIMATE.start_main_~y~4))), 59193#(<= 7452 (+ ULTIMATE.start_main_~x~4 (* 95 ULTIMATE.start_main_~y~4))), 59194#(<= 7828 (+ ULTIMATE.start_main_~x~4 (* 94 ULTIMATE.start_main_~y~4))), 59195#(<= 8200 (+ ULTIMATE.start_main_~x~4 (* 93 ULTIMATE.start_main_~y~4))), 59196#(<= 8568 (+ ULTIMATE.start_main_~x~4 (* 92 ULTIMATE.start_main_~y~4))), 59197#(<= 8932 (+ ULTIMATE.start_main_~x~4 (* 91 ULTIMATE.start_main_~y~4))), 59198#(<= 9292 (+ ULTIMATE.start_main_~x~4 (* 90 ULTIMATE.start_main_~y~4))), 59199#(<= 9648 (+ ULTIMATE.start_main_~x~4 (* 89 ULTIMATE.start_main_~y~4))), 59200#(<= 10000 (+ ULTIMATE.start_main_~x~4 (* 88 ULTIMATE.start_main_~y~4))), 59201#(<= 10348 (+ ULTIMATE.start_main_~x~4 (* 87 ULTIMATE.start_main_~y~4))), 59202#(<= 10692 (+ ULTIMATE.start_main_~x~4 (* 86 ULTIMATE.start_main_~y~4))), 59203#(<= 11032 (+ ULTIMATE.start_main_~x~4 (* 85 ULTIMATE.start_main_~y~4))), 59204#(<= 11368 (+ ULTIMATE.start_main_~x~4 (* 84 ULTIMATE.start_main_~y~4))), 59205#(<= 11700 (+ ULTIMATE.start_main_~x~4 (* 83 ULTIMATE.start_main_~y~4))), 59206#(<= 12028 (+ ULTIMATE.start_main_~x~4 (* 82 ULTIMATE.start_main_~y~4))), 59207#(<= 12352 (+ ULTIMATE.start_main_~x~4 (* 81 ULTIMATE.start_main_~y~4))), 59208#(<= 12672 (+ ULTIMATE.start_main_~x~4 (* 80 ULTIMATE.start_main_~y~4))), 59209#(<= 12988 (+ ULTIMATE.start_main_~x~4 (* 79 ULTIMATE.start_main_~y~4))), 59210#(<= 13300 (+ ULTIMATE.start_main_~x~4 (* 78 ULTIMATE.start_main_~y~4))), 59211#(<= 13608 (+ ULTIMATE.start_main_~x~4 (* 77 ULTIMATE.start_main_~y~4))), 59212#(<= 13912 (+ ULTIMATE.start_main_~x~4 (* 76 ULTIMATE.start_main_~y~4))), 59213#(<= 14212 (+ ULTIMATE.start_main_~x~4 (* 75 ULTIMATE.start_main_~y~4))), 59214#(<= 14508 (+ ULTIMATE.start_main_~x~4 (* 74 ULTIMATE.start_main_~y~4))), 59215#(<= 14800 (+ ULTIMATE.start_main_~x~4 (* 73 ULTIMATE.start_main_~y~4))), 59216#(<= 15088 (+ ULTIMATE.start_main_~x~4 (* 72 ULTIMATE.start_main_~y~4))), 59217#(<= 15372 (+ ULTIMATE.start_main_~x~4 (* 71 ULTIMATE.start_main_~y~4))), 59218#(<= 15652 (+ ULTIMATE.start_main_~x~4 (* 70 ULTIMATE.start_main_~y~4))), 59219#(<= 15928 (+ ULTIMATE.start_main_~x~4 (* 69 ULTIMATE.start_main_~y~4))), 59220#(<= 16200 (+ ULTIMATE.start_main_~x~4 (* 68 ULTIMATE.start_main_~y~4))), 59221#(<= 16468 (+ ULTIMATE.start_main_~x~4 (* 67 ULTIMATE.start_main_~y~4))), 59222#(<= 16732 (+ ULTIMATE.start_main_~x~4 (* 66 ULTIMATE.start_main_~y~4))), 59223#(<= 16992 (+ ULTIMATE.start_main_~x~4 (* 65 ULTIMATE.start_main_~y~4))), 59224#(<= 17248 (+ ULTIMATE.start_main_~x~4 (* 64 ULTIMATE.start_main_~y~4))), 59225#(<= 17500 (+ ULTIMATE.start_main_~x~4 (* 63 ULTIMATE.start_main_~y~4))), 59226#(<= 17748 (+ ULTIMATE.start_main_~x~4 (* 62 ULTIMATE.start_main_~y~4))), 59227#(<= 17992 (+ ULTIMATE.start_main_~x~4 (* 61 ULTIMATE.start_main_~y~4))), 59228#(<= 18232 (+ ULTIMATE.start_main_~x~4 (* 60 ULTIMATE.start_main_~y~4))), 59229#(<= 18468 (+ ULTIMATE.start_main_~x~4 (* 59 ULTIMATE.start_main_~y~4))), 59230#(<= 18700 (+ ULTIMATE.start_main_~x~4 (* 58 ULTIMATE.start_main_~y~4))), 59231#(<= 18928 (+ ULTIMATE.start_main_~x~4 (* 57 ULTIMATE.start_main_~y~4))), 59232#(<= 19152 (+ ULTIMATE.start_main_~x~4 (* 56 ULTIMATE.start_main_~y~4))), 59233#(<= 19372 (+ ULTIMATE.start_main_~x~4 (* 55 ULTIMATE.start_main_~y~4))), 59234#(<= 19588 (+ ULTIMATE.start_main_~x~4 (* 54 ULTIMATE.start_main_~y~4))), 59235#(<= 19800 (+ ULTIMATE.start_main_~x~4 (* 53 ULTIMATE.start_main_~y~4))), 59236#(<= 20008 (+ ULTIMATE.start_main_~x~4 (* 52 ULTIMATE.start_main_~y~4))), 59237#(<= 20212 (+ ULTIMATE.start_main_~x~4 (* 51 ULTIMATE.start_main_~y~4))), 59238#(<= 20412 (+ ULTIMATE.start_main_~x~4 (* 50 ULTIMATE.start_main_~y~4))), 59239#(<= 20608 (+ ULTIMATE.start_main_~x~4 (* 49 ULTIMATE.start_main_~y~4))), 59240#(<= 20800 (+ ULTIMATE.start_main_~x~4 (* 48 ULTIMATE.start_main_~y~4))), 59241#(<= 20988 (+ ULTIMATE.start_main_~x~4 (* 47 ULTIMATE.start_main_~y~4))), 59242#(<= 21172 (+ ULTIMATE.start_main_~x~4 (* 46 ULTIMATE.start_main_~y~4))), 59243#(<= 21352 (+ ULTIMATE.start_main_~x~4 (* 45 ULTIMATE.start_main_~y~4))), 59244#(<= 21528 (+ ULTIMATE.start_main_~x~4 (* 44 ULTIMATE.start_main_~y~4))), 59245#(<= 21700 (+ ULTIMATE.start_main_~x~4 (* 43 ULTIMATE.start_main_~y~4))), 59246#(<= 21868 (+ ULTIMATE.start_main_~x~4 (* 42 ULTIMATE.start_main_~y~4))), 59247#(<= 22032 (+ ULTIMATE.start_main_~x~4 (* 41 ULTIMATE.start_main_~y~4))), 59248#(<= 22192 (+ ULTIMATE.start_main_~x~4 (* 40 ULTIMATE.start_main_~y~4))), 59249#(<= 22348 (+ ULTIMATE.start_main_~x~4 (* 39 ULTIMATE.start_main_~y~4))), 59250#(<= 22500 (+ ULTIMATE.start_main_~x~4 (* 38 ULTIMATE.start_main_~y~4))), 59251#(<= 22648 (+ ULTIMATE.start_main_~x~4 (* 37 ULTIMATE.start_main_~y~4))), 59252#(<= 22792 (+ ULTIMATE.start_main_~x~4 (* 36 ULTIMATE.start_main_~y~4))), 59253#(<= 22932 (+ ULTIMATE.start_main_~x~4 (* 35 ULTIMATE.start_main_~y~4))), 59254#(<= 23068 (+ ULTIMATE.start_main_~x~4 (* 34 ULTIMATE.start_main_~y~4))), 59255#(<= 23200 (+ ULTIMATE.start_main_~x~4 (* 33 ULTIMATE.start_main_~y~4))), 59256#(<= 23328 (+ ULTIMATE.start_main_~x~4 (* 32 ULTIMATE.start_main_~y~4))), 59257#(<= 23452 (+ ULTIMATE.start_main_~x~4 (* 31 ULTIMATE.start_main_~y~4))), 59258#(<= 23572 (+ ULTIMATE.start_main_~x~4 (* 30 ULTIMATE.start_main_~y~4))), 59259#(<= 23688 (+ ULTIMATE.start_main_~x~4 (* 29 ULTIMATE.start_main_~y~4))), 59260#(<= 23800 (+ ULTIMATE.start_main_~x~4 (* 28 ULTIMATE.start_main_~y~4))), 59261#(<= 23908 (+ ULTIMATE.start_main_~x~4 (* 27 ULTIMATE.start_main_~y~4))), 59262#(<= 24012 (+ ULTIMATE.start_main_~x~4 (* 26 ULTIMATE.start_main_~y~4))), 59263#(<= 24112 (+ ULTIMATE.start_main_~x~4 (* 25 ULTIMATE.start_main_~y~4))), 59264#(<= 24208 (+ ULTIMATE.start_main_~x~4 (* 24 ULTIMATE.start_main_~y~4))), 59265#(<= 24300 (+ ULTIMATE.start_main_~x~4 (* 23 ULTIMATE.start_main_~y~4))), 59266#(<= 24388 (+ ULTIMATE.start_main_~x~4 (* 22 ULTIMATE.start_main_~y~4))), 59267#(<= 24472 (+ ULTIMATE.start_main_~x~4 (* 21 ULTIMATE.start_main_~y~4))), 59268#(<= 24552 (+ ULTIMATE.start_main_~x~4 (* 20 ULTIMATE.start_main_~y~4))), 59269#(<= 24628 (+ ULTIMATE.start_main_~x~4 (* 19 ULTIMATE.start_main_~y~4))), 59270#(<= 24700 (+ ULTIMATE.start_main_~x~4 (* 18 ULTIMATE.start_main_~y~4))), 59271#(<= 24768 (+ ULTIMATE.start_main_~x~4 (* 17 ULTIMATE.start_main_~y~4))), 59272#(<= 24832 (+ ULTIMATE.start_main_~x~4 (* 16 ULTIMATE.start_main_~y~4))), 59273#(<= 24892 (+ ULTIMATE.start_main_~x~4 (* 15 ULTIMATE.start_main_~y~4))), 59274#(<= 24948 (+ ULTIMATE.start_main_~x~4 (* 14 ULTIMATE.start_main_~y~4))), 59275#(<= 25000 (+ ULTIMATE.start_main_~x~4 (* 13 ULTIMATE.start_main_~y~4))), 59276#(<= 25048 (+ ULTIMATE.start_main_~x~4 (* 12 ULTIMATE.start_main_~y~4))), 59277#(<= 25092 (+ ULTIMATE.start_main_~x~4 (* 11 ULTIMATE.start_main_~y~4))), 59278#(<= 25132 (+ ULTIMATE.start_main_~x~4 (* 10 ULTIMATE.start_main_~y~4))), 59279#(<= 25168 (+ ULTIMATE.start_main_~x~4 (* 9 ULTIMATE.start_main_~y~4))), 59280#(<= 25200 (+ ULTIMATE.start_main_~x~4 (* 8 ULTIMATE.start_main_~y~4))), 59281#(<= 25228 (+ ULTIMATE.start_main_~x~4 (* 7 ULTIMATE.start_main_~y~4))), 59282#(<= 25252 (+ ULTIMATE.start_main_~x~4 (* 6 ULTIMATE.start_main_~y~4))), 59283#(<= 25272 (+ ULTIMATE.start_main_~x~4 (* 5 ULTIMATE.start_main_~y~4))), 59284#(<= 25288 (+ ULTIMATE.start_main_~x~4 (* 4 ULTIMATE.start_main_~y~4))), 59285#(<= 25300 (+ ULTIMATE.start_main_~x~4 (* 3 ULTIMATE.start_main_~y~4))), 59286#(<= 25308 (+ ULTIMATE.start_main_~x~4 (* 2 ULTIMATE.start_main_~y~4))), 59287#(<= 25312 (+ ULTIMATE.start_main_~x~4 ULTIMATE.start_main_~y~4)), 59288#(<= 1 ULTIMATE.start___VERIFIER_assert_~cond)] [2018-07-23 13:43:47,125 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 13:43:47,125 INFO L450 AbstractCegarLoop]: Interpolant automaton has 115 states [2018-07-23 13:43:47,126 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 115 interpolants. [2018-07-23 13:43:47,126 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=227, Invalid=12883, Unknown=0, NotChecked=0, Total=13110 [2018-07-23 13:43:47,126 INFO L87 Difference]: Start difference. First operand 227 states and 227 transitions. Second operand 115 states. [2018-07-23 13:43:49,345 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-07-23 13:43:49,346 INFO L93 Difference]: Finished difference Result 232 states and 232 transitions. [2018-07-23 13:43:49,346 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 115 states. [2018-07-23 13:43:49,346 INFO L78 Accepts]: Start accepts. Automaton has 115 states. Word has length 226 [2018-07-23 13:43:49,346 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-07-23 13:43:49,346 INFO L225 Difference]: With dead ends: 232 [2018-07-23 13:43:49,346 INFO L226 Difference]: Without dead ends: 230 [2018-07-23 13:43:49,347 INFO L575 BasicCegarLoop]: 0 DeclaredPredicates, 114 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 113 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.6s TimeCoverageRelationStatistics Valid=227, Invalid=12883, Unknown=0, NotChecked=0, Total=13110 [2018-07-23 13:43:49,347 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 230 states. [2018-07-23 13:43:49,443 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 230 to 229. [2018-07-23 13:43:49,444 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 229 states. [2018-07-23 13:43:49,444 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 229 states to 229 states and 229 transitions. [2018-07-23 13:43:49,444 INFO L78 Accepts]: Start accepts. Automaton has 229 states and 229 transitions. Word has length 226 [2018-07-23 13:43:49,444 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-07-23 13:43:49,445 INFO L471 AbstractCegarLoop]: Abstraction has 229 states and 229 transitions. [2018-07-23 13:43:49,445 INFO L472 AbstractCegarLoop]: Interpolant automaton has 115 states. [2018-07-23 13:43:49,445 INFO L276 IsEmpty]: Start isEmpty. Operand 229 states and 229 transitions. [2018-07-23 13:43:49,445 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 229 [2018-07-23 13:43:49,446 INFO L349 BasicCegarLoop]: Found error trace [2018-07-23 13:43:49,446 INFO L357 BasicCegarLoop]: trace histogram [113, 112, 1, 1, 1] [2018-07-23 13:43:49,446 INFO L414 AbstractCegarLoop]: === Iteration 113 === [ULTIMATE.startErr0AssertViolationASSERT]=== [2018-07-23 13:43:49,446 INFO L82 PathProgramCache]: Analyzing trace with hash 1482961915, now seen corresponding path program 112 times [2018-07-23 13:43:49,446 INFO L69 tionRefinementEngine]: Using refinement strategy FixedRefinementStrategy [2018-07-23 13:43:49,745 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-07-23 13:43:51,200 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 13:43:51,200 INFO L309 seRefinementStrategy]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2018-07-23 13:43:51,200 INFO L324 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [115] total 115 [2018-07-23 13:43:51,200 INFO L142 lantAutomatonBuilder]: Constructing canonical interpolant automaton, with selfloop in false state [2018-07-23 13:43:51,200 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-07-23 13:43:51,201 INFO L185 omatonBuilderFactory]: Interpolants [60211#true, 60212#false, 60213#(<= 452 (+ ULTIMATE.start_main_~x~4 (* 113 ULTIMATE.start_main_~y~4))), 60214#(<= 900 (+ ULTIMATE.start_main_~x~4 (* 112 ULTIMATE.start_main_~y~4))), 60215#(<= 1344 (+ ULTIMATE.start_main_~x~4 (* 111 ULTIMATE.start_main_~y~4))), 60216#(<= 1784 (+ ULTIMATE.start_main_~x~4 (* 110 ULTIMATE.start_main_~y~4))), 60217#(<= 2220 (+ ULTIMATE.start_main_~x~4 (* 109 ULTIMATE.start_main_~y~4))), 60218#(<= 2652 (+ ULTIMATE.start_main_~x~4 (* 108 ULTIMATE.start_main_~y~4))), 60219#(<= 3080 (+ ULTIMATE.start_main_~x~4 (* 107 ULTIMATE.start_main_~y~4))), 60220#(<= 3504 (+ ULTIMATE.start_main_~x~4 (* 106 ULTIMATE.start_main_~y~4))), 60221#(<= 3924 (+ ULTIMATE.start_main_~x~4 (* 105 ULTIMATE.start_main_~y~4))), 60222#(<= 4340 (+ ULTIMATE.start_main_~x~4 (* 104 ULTIMATE.start_main_~y~4))), 60223#(<= 4752 (+ ULTIMATE.start_main_~x~4 (* 103 ULTIMATE.start_main_~y~4))), 60224#(<= 5160 (+ ULTIMATE.start_main_~x~4 (* 102 ULTIMATE.start_main_~y~4))), 60225#(<= 5564 (+ ULTIMATE.start_main_~x~4 (* 101 ULTIMATE.start_main_~y~4))), 60226#(<= 5964 (+ ULTIMATE.start_main_~x~4 (* 100 ULTIMATE.start_main_~y~4))), 60227#(<= 6360 (+ ULTIMATE.start_main_~x~4 (* 99 ULTIMATE.start_main_~y~4))), 60228#(<= 6752 (+ ULTIMATE.start_main_~x~4 (* 98 ULTIMATE.start_main_~y~4))), 60229#(<= 7140 (+ ULTIMATE.start_main_~x~4 (* 97 ULTIMATE.start_main_~y~4))), 60230#(<= 7524 (+ ULTIMATE.start_main_~x~4 (* 96 ULTIMATE.start_main_~y~4))), 60231#(<= 7904 (+ ULTIMATE.start_main_~x~4 (* 95 ULTIMATE.start_main_~y~4))), 60232#(<= 8280 (+ ULTIMATE.start_main_~x~4 (* 94 ULTIMATE.start_main_~y~4))), 60233#(<= 8652 (+ ULTIMATE.start_main_~x~4 (* 93 ULTIMATE.start_main_~y~4))), 60234#(<= 9020 (+ ULTIMATE.start_main_~x~4 (* 92 ULTIMATE.start_main_~y~4))), 60235#(<= 9384 (+ ULTIMATE.start_main_~x~4 (* 91 ULTIMATE.start_main_~y~4))), 60236#(<= 9744 (+ ULTIMATE.start_main_~x~4 (* 90 ULTIMATE.start_main_~y~4))), 60237#(<= 10100 (+ ULTIMATE.start_main_~x~4 (* 89 ULTIMATE.start_main_~y~4))), 60238#(<= 10452 (+ ULTIMATE.start_main_~x~4 (* 88 ULTIMATE.start_main_~y~4))), 60239#(<= 10800 (+ ULTIMATE.start_main_~x~4 (* 87 ULTIMATE.start_main_~y~4))), 60240#(<= 11144 (+ ULTIMATE.start_main_~x~4 (* 86 ULTIMATE.start_main_~y~4))), 60241#(<= 11484 (+ ULTIMATE.start_main_~x~4 (* 85 ULTIMATE.start_main_~y~4))), 60242#(<= 11820 (+ ULTIMATE.start_main_~x~4 (* 84 ULTIMATE.start_main_~y~4))), 60243#(<= 12152 (+ ULTIMATE.start_main_~x~4 (* 83 ULTIMATE.start_main_~y~4))), 60244#(<= 12480 (+ ULTIMATE.start_main_~x~4 (* 82 ULTIMATE.start_main_~y~4))), 60245#(<= 12804 (+ ULTIMATE.start_main_~x~4 (* 81 ULTIMATE.start_main_~y~4))), 60246#(<= 13124 (+ ULTIMATE.start_main_~x~4 (* 80 ULTIMATE.start_main_~y~4))), 60247#(<= 13440 (+ ULTIMATE.start_main_~x~4 (* 79 ULTIMATE.start_main_~y~4))), 60248#(<= 13752 (+ ULTIMATE.start_main_~x~4 (* 78 ULTIMATE.start_main_~y~4))), 60249#(<= 14060 (+ ULTIMATE.start_main_~x~4 (* 77 ULTIMATE.start_main_~y~4))), 60250#(<= 14364 (+ ULTIMATE.start_main_~x~4 (* 76 ULTIMATE.start_main_~y~4))), 60251#(<= 14664 (+ ULTIMATE.start_main_~x~4 (* 75 ULTIMATE.start_main_~y~4))), 60252#(<= 14960 (+ ULTIMATE.start_main_~x~4 (* 74 ULTIMATE.start_main_~y~4))), 60253#(<= 15252 (+ ULTIMATE.start_main_~x~4 (* 73 ULTIMATE.start_main_~y~4))), 60254#(<= 15540 (+ ULTIMATE.start_main_~x~4 (* 72 ULTIMATE.start_main_~y~4))), 60255#(<= 15824 (+ ULTIMATE.start_main_~x~4 (* 71 ULTIMATE.start_main_~y~4))), 60256#(<= 16104 (+ ULTIMATE.start_main_~x~4 (* 70 ULTIMATE.start_main_~y~4))), 60257#(<= 16380 (+ ULTIMATE.start_main_~x~4 (* 69 ULTIMATE.start_main_~y~4))), 60258#(<= 16652 (+ ULTIMATE.start_main_~x~4 (* 68 ULTIMATE.start_main_~y~4))), 60259#(<= 16920 (+ ULTIMATE.start_main_~x~4 (* 67 ULTIMATE.start_main_~y~4))), 60260#(<= 17184 (+ ULTIMATE.start_main_~x~4 (* 66 ULTIMATE.start_main_~y~4))), 60261#(<= 17444 (+ ULTIMATE.start_main_~x~4 (* 65 ULTIMATE.start_main_~y~4))), 60262#(<= 17700 (+ ULTIMATE.start_main_~x~4 (* 64 ULTIMATE.start_main_~y~4))), 60263#(<= 17952 (+ ULTIMATE.start_main_~x~4 (* 63 ULTIMATE.start_main_~y~4))), 60264#(<= 18200 (+ ULTIMATE.start_main_~x~4 (* 62 ULTIMATE.start_main_~y~4))), 60265#(<= 18444 (+ ULTIMATE.start_main_~x~4 (* 61 ULTIMATE.start_main_~y~4))), 60266#(<= 18684 (+ ULTIMATE.start_main_~x~4 (* 60 ULTIMATE.start_main_~y~4))), 60267#(<= 18920 (+ ULTIMATE.start_main_~x~4 (* 59 ULTIMATE.start_main_~y~4))), 60268#(<= 19152 (+ ULTIMATE.start_main_~x~4 (* 58 ULTIMATE.start_main_~y~4))), 60269#(<= 19380 (+ ULTIMATE.start_main_~x~4 (* 57 ULTIMATE.start_main_~y~4))), 60270#(<= 19604 (+ ULTIMATE.start_main_~x~4 (* 56 ULTIMATE.start_main_~y~4))), 60271#(<= 19824 (+ ULTIMATE.start_main_~x~4 (* 55 ULTIMATE.start_main_~y~4))), 60272#(<= 20040 (+ ULTIMATE.start_main_~x~4 (* 54 ULTIMATE.start_main_~y~4))), 60273#(<= 20252 (+ ULTIMATE.start_main_~x~4 (* 53 ULTIMATE.start_main_~y~4))), 60274#(<= 20460 (+ ULTIMATE.start_main_~x~4 (* 52 ULTIMATE.start_main_~y~4))), 60275#(<= 20664 (+ ULTIMATE.start_main_~x~4 (* 51 ULTIMATE.start_main_~y~4))), 60276#(<= 20864 (+ ULTIMATE.start_main_~x~4 (* 50 ULTIMATE.start_main_~y~4))), 60277#(<= 21060 (+ ULTIMATE.start_main_~x~4 (* 49 ULTIMATE.start_main_~y~4))), 60278#(<= 21252 (+ ULTIMATE.start_main_~x~4 (* 48 ULTIMATE.start_main_~y~4))), 60279#(<= 21440 (+ ULTIMATE.start_main_~x~4 (* 47 ULTIMATE.start_main_~y~4))), 60280#(<= 21624 (+ ULTIMATE.start_main_~x~4 (* 46 ULTIMATE.start_main_~y~4))), 60281#(<= 21804 (+ ULTIMATE.start_main_~x~4 (* 45 ULTIMATE.start_main_~y~4))), 60282#(<= 21980 (+ ULTIMATE.start_main_~x~4 (* 44 ULTIMATE.start_main_~y~4))), 60283#(<= 22152 (+ ULTIMATE.start_main_~x~4 (* 43 ULTIMATE.start_main_~y~4))), 60284#(<= 22320 (+ ULTIMATE.start_main_~x~4 (* 42 ULTIMATE.start_main_~y~4))), 60285#(<= 22484 (+ ULTIMATE.start_main_~x~4 (* 41 ULTIMATE.start_main_~y~4))), 60286#(<= 22644 (+ ULTIMATE.start_main_~x~4 (* 40 ULTIMATE.start_main_~y~4))), 60287#(<= 22800 (+ ULTIMATE.start_main_~x~4 (* 39 ULTIMATE.start_main_~y~4))), 60288#(<= 22952 (+ ULTIMATE.start_main_~x~4 (* 38 ULTIMATE.start_main_~y~4))), 60289#(<= 23100 (+ ULTIMATE.start_main_~x~4 (* 37 ULTIMATE.start_main_~y~4))), 60290#(<= 23244 (+ ULTIMATE.start_main_~x~4 (* 36 ULTIMATE.start_main_~y~4))), 60291#(<= 23384 (+ ULTIMATE.start_main_~x~4 (* 35 ULTIMATE.start_main_~y~4))), 60292#(<= 23520 (+ ULTIMATE.start_main_~x~4 (* 34 ULTIMATE.start_main_~y~4))), 60293#(<= 23652 (+ ULTIMATE.start_main_~x~4 (* 33 ULTIMATE.start_main_~y~4))), 60294#(<= 23780 (+ ULTIMATE.start_main_~x~4 (* 32 ULTIMATE.start_main_~y~4))), 60295#(<= 23904 (+ ULTIMATE.start_main_~x~4 (* 31 ULTIMATE.start_main_~y~4))), 60296#(<= 24024 (+ ULTIMATE.start_main_~x~4 (* 30 ULTIMATE.start_main_~y~4))), 60297#(<= 24140 (+ ULTIMATE.start_main_~x~4 (* 29 ULTIMATE.start_main_~y~4))), 60298#(<= 24252 (+ ULTIMATE.start_main_~x~4 (* 28 ULTIMATE.start_main_~y~4))), 60299#(<= 24360 (+ ULTIMATE.start_main_~x~4 (* 27 ULTIMATE.start_main_~y~4))), 60300#(<= 24464 (+ ULTIMATE.start_main_~x~4 (* 26 ULTIMATE.start_main_~y~4))), 60301#(<= 24564 (+ ULTIMATE.start_main_~x~4 (* 25 ULTIMATE.start_main_~y~4))), 60302#(<= 24660 (+ ULTIMATE.start_main_~x~4 (* 24 ULTIMATE.start_main_~y~4))), 60303#(<= 24752 (+ ULTIMATE.start_main_~x~4 (* 23 ULTIMATE.start_main_~y~4))), 60304#(<= 24840 (+ ULTIMATE.start_main_~x~4 (* 22 ULTIMATE.start_main_~y~4))), 60305#(<= 24924 (+ ULTIMATE.start_main_~x~4 (* 21 ULTIMATE.start_main_~y~4))), 60306#(<= 25004 (+ ULTIMATE.start_main_~x~4 (* 20 ULTIMATE.start_main_~y~4))), 60307#(<= 25080 (+ ULTIMATE.start_main_~x~4 (* 19 ULTIMATE.start_main_~y~4))), 60308#(<= 25152 (+ ULTIMATE.start_main_~x~4 (* 18 ULTIMATE.start_main_~y~4))), 60309#(<= 25220 (+ ULTIMATE.start_main_~x~4 (* 17 ULTIMATE.start_main_~y~4))), 60310#(<= 25284 (+ ULTIMATE.start_main_~x~4 (* 16 ULTIMATE.start_main_~y~4))), 60311#(<= 25344 (+ ULTIMATE.start_main_~x~4 (* 15 ULTIMATE.start_main_~y~4))), 60312#(<= 25400 (+ ULTIMATE.start_main_~x~4 (* 14 ULTIMATE.start_main_~y~4))), 60313#(<= 25452 (+ ULTIMATE.start_main_~x~4 (* 13 ULTIMATE.start_main_~y~4))), 60314#(<= 25500 (+ ULTIMATE.start_main_~x~4 (* 12 ULTIMATE.start_main_~y~4))), 60315#(<= 25544 (+ ULTIMATE.start_main_~x~4 (* 11 ULTIMATE.start_main_~y~4))), 60316#(<= 25584 (+ ULTIMATE.start_main_~x~4 (* 10 ULTIMATE.start_main_~y~4))), 60317#(<= 25620 (+ ULTIMATE.start_main_~x~4 (* 9 ULTIMATE.start_main_~y~4))), 60318#(<= 25652 (+ ULTIMATE.start_main_~x~4 (* 8 ULTIMATE.start_main_~y~4))), 60319#(<= 25680 (+ ULTIMATE.start_main_~x~4 (* 7 ULTIMATE.start_main_~y~4))), 60320#(<= 25704 (+ ULTIMATE.start_main_~x~4 (* 6 ULTIMATE.start_main_~y~4))), 60321#(<= 25724 (+ ULTIMATE.start_main_~x~4 (* 5 ULTIMATE.start_main_~y~4))), 60322#(<= 25740 (+ ULTIMATE.start_main_~x~4 (* 4 ULTIMATE.start_main_~y~4))), 60323#(<= 25752 (+ ULTIMATE.start_main_~x~4 (* 3 ULTIMATE.start_main_~y~4))), 60324#(<= 25760 (+ ULTIMATE.start_main_~x~4 (* 2 ULTIMATE.start_main_~y~4))), 60325#(<= 25764 (+ ULTIMATE.start_main_~x~4 ULTIMATE.start_main_~y~4)), 60326#(<= 1 ULTIMATE.start___VERIFIER_assert_~cond)] [2018-07-23 13:43:51,201 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 13:43:51,201 INFO L450 AbstractCegarLoop]: Interpolant automaton has 116 states [2018-07-23 13:43:51,202 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 116 interpolants. [2018-07-23 13:43:51,202 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=229, Invalid=13111, Unknown=0, NotChecked=0, Total=13340 [2018-07-23 13:43:51,202 INFO L87 Difference]: Start difference. First operand 229 states and 229 transitions. Second operand 116 states. [2018-07-23 13:43:53,456 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-07-23 13:43:53,456 INFO L93 Difference]: Finished difference Result 234 states and 234 transitions. [2018-07-23 13:43:53,456 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 116 states. [2018-07-23 13:43:53,456 INFO L78 Accepts]: Start accepts. Automaton has 116 states. Word has length 228 [2018-07-23 13:43:53,457 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-07-23 13:43:53,457 INFO L225 Difference]: With dead ends: 234 [2018-07-23 13:43:53,457 INFO L226 Difference]: Without dead ends: 232 [2018-07-23 13:43:53,458 INFO L575 BasicCegarLoop]: 0 DeclaredPredicates, 115 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 114 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.6s TimeCoverageRelationStatistics Valid=229, Invalid=13111, Unknown=0, NotChecked=0, Total=13340 [2018-07-23 13:43:53,458 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 232 states. [2018-07-23 13:43:53,554 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 232 to 231. [2018-07-23 13:43:53,555 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 231 states. [2018-07-23 13:43:53,555 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 231 states to 231 states and 231 transitions. [2018-07-23 13:43:53,555 INFO L78 Accepts]: Start accepts. Automaton has 231 states and 231 transitions. Word has length 228 [2018-07-23 13:43:53,555 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-07-23 13:43:53,556 INFO L471 AbstractCegarLoop]: Abstraction has 231 states and 231 transitions. [2018-07-23 13:43:53,556 INFO L472 AbstractCegarLoop]: Interpolant automaton has 116 states. [2018-07-23 13:43:53,556 INFO L276 IsEmpty]: Start isEmpty. Operand 231 states and 231 transitions. [2018-07-23 13:43:53,556 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 231 [2018-07-23 13:43:53,556 INFO L349 BasicCegarLoop]: Found error trace [2018-07-23 13:43:53,556 INFO L357 BasicCegarLoop]: trace histogram [114, 113, 1, 1, 1] [2018-07-23 13:43:53,557 INFO L414 AbstractCegarLoop]: === Iteration 114 === [ULTIMATE.startErr0AssertViolationASSERT]=== [2018-07-23 13:43:53,557 INFO L82 PathProgramCache]: Analyzing trace with hash -802795259, now seen corresponding path program 113 times [2018-07-23 13:43:53,557 INFO L69 tionRefinementEngine]: Using refinement strategy FixedRefinementStrategy [2018-07-23 13:43:53,872 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-07-23 13:43:55,148 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 13:43:55,148 INFO L309 seRefinementStrategy]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2018-07-23 13:43:55,149 INFO L324 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [116] total 116 [2018-07-23 13:43:55,149 INFO L142 lantAutomatonBuilder]: Constructing canonical interpolant automaton, with selfloop in false state [2018-07-23 13:43:55,149 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-07-23 13:43:55,149 INFO L185 omatonBuilderFactory]: Interpolants [61257#true, 61258#false, 61259#(<= 456 (+ ULTIMATE.start_main_~x~4 (* 114 ULTIMATE.start_main_~y~4))), 61260#(<= 908 (+ ULTIMATE.start_main_~x~4 (* 113 ULTIMATE.start_main_~y~4))), 61261#(<= 1356 (+ ULTIMATE.start_main_~x~4 (* 112 ULTIMATE.start_main_~y~4))), 61262#(<= 1800 (+ ULTIMATE.start_main_~x~4 (* 111 ULTIMATE.start_main_~y~4))), 61263#(<= 2240 (+ ULTIMATE.start_main_~x~4 (* 110 ULTIMATE.start_main_~y~4))), 61264#(<= 2676 (+ ULTIMATE.start_main_~x~4 (* 109 ULTIMATE.start_main_~y~4))), 61265#(<= 3108 (+ ULTIMATE.start_main_~x~4 (* 108 ULTIMATE.start_main_~y~4))), 61266#(<= 3536 (+ ULTIMATE.start_main_~x~4 (* 107 ULTIMATE.start_main_~y~4))), 61267#(<= 3960 (+ ULTIMATE.start_main_~x~4 (* 106 ULTIMATE.start_main_~y~4))), 61268#(<= 4380 (+ ULTIMATE.start_main_~x~4 (* 105 ULTIMATE.start_main_~y~4))), 61269#(<= 4796 (+ ULTIMATE.start_main_~x~4 (* 104 ULTIMATE.start_main_~y~4))), 61270#(<= 5208 (+ ULTIMATE.start_main_~x~4 (* 103 ULTIMATE.start_main_~y~4))), 61271#(<= 5616 (+ ULTIMATE.start_main_~x~4 (* 102 ULTIMATE.start_main_~y~4))), 61272#(<= 6020 (+ ULTIMATE.start_main_~x~4 (* 101 ULTIMATE.start_main_~y~4))), 61273#(<= 6420 (+ ULTIMATE.start_main_~x~4 (* 100 ULTIMATE.start_main_~y~4))), 61274#(<= 6816 (+ ULTIMATE.start_main_~x~4 (* 99 ULTIMATE.start_main_~y~4))), 61275#(<= 7208 (+ ULTIMATE.start_main_~x~4 (* 98 ULTIMATE.start_main_~y~4))), 61276#(<= 7596 (+ ULTIMATE.start_main_~x~4 (* 97 ULTIMATE.start_main_~y~4))), 61277#(<= 7980 (+ ULTIMATE.start_main_~x~4 (* 96 ULTIMATE.start_main_~y~4))), 61278#(<= 8360 (+ ULTIMATE.start_main_~x~4 (* 95 ULTIMATE.start_main_~y~4))), 61279#(<= 8736 (+ ULTIMATE.start_main_~x~4 (* 94 ULTIMATE.start_main_~y~4))), 61280#(<= 9108 (+ ULTIMATE.start_main_~x~4 (* 93 ULTIMATE.start_main_~y~4))), 61281#(<= 9476 (+ ULTIMATE.start_main_~x~4 (* 92 ULTIMATE.start_main_~y~4))), 61282#(<= 9840 (+ ULTIMATE.start_main_~x~4 (* 91 ULTIMATE.start_main_~y~4))), 61283#(<= 10200 (+ ULTIMATE.start_main_~x~4 (* 90 ULTIMATE.start_main_~y~4))), 61284#(<= 10556 (+ ULTIMATE.start_main_~x~4 (* 89 ULTIMATE.start_main_~y~4))), 61285#(<= 10908 (+ ULTIMATE.start_main_~x~4 (* 88 ULTIMATE.start_main_~y~4))), 61286#(<= 11256 (+ ULTIMATE.start_main_~x~4 (* 87 ULTIMATE.start_main_~y~4))), 61287#(<= 11600 (+ ULTIMATE.start_main_~x~4 (* 86 ULTIMATE.start_main_~y~4))), 61288#(<= 11940 (+ ULTIMATE.start_main_~x~4 (* 85 ULTIMATE.start_main_~y~4))), 61289#(<= 12276 (+ ULTIMATE.start_main_~x~4 (* 84 ULTIMATE.start_main_~y~4))), 61290#(<= 12608 (+ ULTIMATE.start_main_~x~4 (* 83 ULTIMATE.start_main_~y~4))), 61291#(<= 12936 (+ ULTIMATE.start_main_~x~4 (* 82 ULTIMATE.start_main_~y~4))), 61292#(<= 13260 (+ ULTIMATE.start_main_~x~4 (* 81 ULTIMATE.start_main_~y~4))), 61293#(<= 13580 (+ ULTIMATE.start_main_~x~4 (* 80 ULTIMATE.start_main_~y~4))), 61294#(<= 13896 (+ ULTIMATE.start_main_~x~4 (* 79 ULTIMATE.start_main_~y~4))), 61295#(<= 14208 (+ ULTIMATE.start_main_~x~4 (* 78 ULTIMATE.start_main_~y~4))), 61296#(<= 14516 (+ ULTIMATE.start_main_~x~4 (* 77 ULTIMATE.start_main_~y~4))), 61297#(<= 14820 (+ ULTIMATE.start_main_~x~4 (* 76 ULTIMATE.start_main_~y~4))), 61298#(<= 15120 (+ ULTIMATE.start_main_~x~4 (* 75 ULTIMATE.start_main_~y~4))), 61299#(<= 15416 (+ ULTIMATE.start_main_~x~4 (* 74 ULTIMATE.start_main_~y~4))), 61300#(<= 15708 (+ ULTIMATE.start_main_~x~4 (* 73 ULTIMATE.start_main_~y~4))), 61301#(<= 15996 (+ ULTIMATE.start_main_~x~4 (* 72 ULTIMATE.start_main_~y~4))), 61302#(<= 16280 (+ ULTIMATE.start_main_~x~4 (* 71 ULTIMATE.start_main_~y~4))), 61303#(<= 16560 (+ ULTIMATE.start_main_~x~4 (* 70 ULTIMATE.start_main_~y~4))), 61304#(<= 16836 (+ ULTIMATE.start_main_~x~4 (* 69 ULTIMATE.start_main_~y~4))), 61305#(<= 17108 (+ ULTIMATE.start_main_~x~4 (* 68 ULTIMATE.start_main_~y~4))), 61306#(<= 17376 (+ ULTIMATE.start_main_~x~4 (* 67 ULTIMATE.start_main_~y~4))), 61307#(<= 17640 (+ ULTIMATE.start_main_~x~4 (* 66 ULTIMATE.start_main_~y~4))), 61308#(<= 17900 (+ ULTIMATE.start_main_~x~4 (* 65 ULTIMATE.start_main_~y~4))), 61309#(<= 18156 (+ ULTIMATE.start_main_~x~4 (* 64 ULTIMATE.start_main_~y~4))), 61310#(<= 18408 (+ ULTIMATE.start_main_~x~4 (* 63 ULTIMATE.start_main_~y~4))), 61311#(<= 18656 (+ ULTIMATE.start_main_~x~4 (* 62 ULTIMATE.start_main_~y~4))), 61312#(<= 18900 (+ ULTIMATE.start_main_~x~4 (* 61 ULTIMATE.start_main_~y~4))), 61313#(<= 19140 (+ ULTIMATE.start_main_~x~4 (* 60 ULTIMATE.start_main_~y~4))), 61314#(<= 19376 (+ ULTIMATE.start_main_~x~4 (* 59 ULTIMATE.start_main_~y~4))), 61315#(<= 19608 (+ ULTIMATE.start_main_~x~4 (* 58 ULTIMATE.start_main_~y~4))), 61316#(<= 19836 (+ ULTIMATE.start_main_~x~4 (* 57 ULTIMATE.start_main_~y~4))), 61317#(<= 20060 (+ ULTIMATE.start_main_~x~4 (* 56 ULTIMATE.start_main_~y~4))), 61318#(<= 20280 (+ ULTIMATE.start_main_~x~4 (* 55 ULTIMATE.start_main_~y~4))), 61319#(<= 20496 (+ ULTIMATE.start_main_~x~4 (* 54 ULTIMATE.start_main_~y~4))), 61320#(<= 20708 (+ ULTIMATE.start_main_~x~4 (* 53 ULTIMATE.start_main_~y~4))), 61321#(<= 20916 (+ ULTIMATE.start_main_~x~4 (* 52 ULTIMATE.start_main_~y~4))), 61322#(<= 21120 (+ ULTIMATE.start_main_~x~4 (* 51 ULTIMATE.start_main_~y~4))), 61323#(<= 21320 (+ ULTIMATE.start_main_~x~4 (* 50 ULTIMATE.start_main_~y~4))), 61324#(<= 21516 (+ ULTIMATE.start_main_~x~4 (* 49 ULTIMATE.start_main_~y~4))), 61325#(<= 21708 (+ ULTIMATE.start_main_~x~4 (* 48 ULTIMATE.start_main_~y~4))), 61326#(<= 21896 (+ ULTIMATE.start_main_~x~4 (* 47 ULTIMATE.start_main_~y~4))), 61327#(<= 22080 (+ ULTIMATE.start_main_~x~4 (* 46 ULTIMATE.start_main_~y~4))), 61328#(<= 22260 (+ ULTIMATE.start_main_~x~4 (* 45 ULTIMATE.start_main_~y~4))), 61329#(<= 22436 (+ ULTIMATE.start_main_~x~4 (* 44 ULTIMATE.start_main_~y~4))), 61330#(<= 22608 (+ ULTIMATE.start_main_~x~4 (* 43 ULTIMATE.start_main_~y~4))), 61331#(<= 22776 (+ ULTIMATE.start_main_~x~4 (* 42 ULTIMATE.start_main_~y~4))), 61332#(<= 22940 (+ ULTIMATE.start_main_~x~4 (* 41 ULTIMATE.start_main_~y~4))), 61333#(<= 23100 (+ ULTIMATE.start_main_~x~4 (* 40 ULTIMATE.start_main_~y~4))), 61334#(<= 23256 (+ ULTIMATE.start_main_~x~4 (* 39 ULTIMATE.start_main_~y~4))), 61335#(<= 23408 (+ ULTIMATE.start_main_~x~4 (* 38 ULTIMATE.start_main_~y~4))), 61336#(<= 23556 (+ ULTIMATE.start_main_~x~4 (* 37 ULTIMATE.start_main_~y~4))), 61337#(<= 23700 (+ ULTIMATE.start_main_~x~4 (* 36 ULTIMATE.start_main_~y~4))), 61338#(<= 23840 (+ ULTIMATE.start_main_~x~4 (* 35 ULTIMATE.start_main_~y~4))), 61339#(<= 23976 (+ ULTIMATE.start_main_~x~4 (* 34 ULTIMATE.start_main_~y~4))), 61340#(<= 24108 (+ ULTIMATE.start_main_~x~4 (* 33 ULTIMATE.start_main_~y~4))), 61341#(<= 24236 (+ ULTIMATE.start_main_~x~4 (* 32 ULTIMATE.start_main_~y~4))), 61342#(<= 24360 (+ ULTIMATE.start_main_~x~4 (* 31 ULTIMATE.start_main_~y~4))), 61343#(<= 24480 (+ ULTIMATE.start_main_~x~4 (* 30 ULTIMATE.start_main_~y~4))), 61344#(<= 24596 (+ ULTIMATE.start_main_~x~4 (* 29 ULTIMATE.start_main_~y~4))), 61345#(<= 24708 (+ ULTIMATE.start_main_~x~4 (* 28 ULTIMATE.start_main_~y~4))), 61346#(<= 24816 (+ ULTIMATE.start_main_~x~4 (* 27 ULTIMATE.start_main_~y~4))), 61347#(<= 24920 (+ ULTIMATE.start_main_~x~4 (* 26 ULTIMATE.start_main_~y~4))), 61348#(<= 25020 (+ ULTIMATE.start_main_~x~4 (* 25 ULTIMATE.start_main_~y~4))), 61349#(<= 25116 (+ ULTIMATE.start_main_~x~4 (* 24 ULTIMATE.start_main_~y~4))), 61350#(<= 25208 (+ ULTIMATE.start_main_~x~4 (* 23 ULTIMATE.start_main_~y~4))), 61351#(<= 25296 (+ ULTIMATE.start_main_~x~4 (* 22 ULTIMATE.start_main_~y~4))), 61352#(<= 25380 (+ ULTIMATE.start_main_~x~4 (* 21 ULTIMATE.start_main_~y~4))), 61353#(<= 25460 (+ ULTIMATE.start_main_~x~4 (* 20 ULTIMATE.start_main_~y~4))), 61354#(<= 25536 (+ ULTIMATE.start_main_~x~4 (* 19 ULTIMATE.start_main_~y~4))), 61355#(<= 25608 (+ ULTIMATE.start_main_~x~4 (* 18 ULTIMATE.start_main_~y~4))), 61356#(<= 25676 (+ ULTIMATE.start_main_~x~4 (* 17 ULTIMATE.start_main_~y~4))), 61357#(<= 25740 (+ ULTIMATE.start_main_~x~4 (* 16 ULTIMATE.start_main_~y~4))), 61358#(<= 25800 (+ ULTIMATE.start_main_~x~4 (* 15 ULTIMATE.start_main_~y~4))), 61359#(<= 25856 (+ ULTIMATE.start_main_~x~4 (* 14 ULTIMATE.start_main_~y~4))), 61360#(<= 25908 (+ ULTIMATE.start_main_~x~4 (* 13 ULTIMATE.start_main_~y~4))), 61361#(<= 25956 (+ ULTIMATE.start_main_~x~4 (* 12 ULTIMATE.start_main_~y~4))), 61362#(<= 26000 (+ ULTIMATE.start_main_~x~4 (* 11 ULTIMATE.start_main_~y~4))), 61363#(<= 26040 (+ ULTIMATE.start_main_~x~4 (* 10 ULTIMATE.start_main_~y~4))), 61364#(<= 26076 (+ ULTIMATE.start_main_~x~4 (* 9 ULTIMATE.start_main_~y~4))), 61365#(<= 26108 (+ ULTIMATE.start_main_~x~4 (* 8 ULTIMATE.start_main_~y~4))), 61366#(<= 26136 (+ ULTIMATE.start_main_~x~4 (* 7 ULTIMATE.start_main_~y~4))), 61367#(<= 26160 (+ ULTIMATE.start_main_~x~4 (* 6 ULTIMATE.start_main_~y~4))), 61368#(<= 26180 (+ ULTIMATE.start_main_~x~4 (* 5 ULTIMATE.start_main_~y~4))), 61369#(<= 26196 (+ ULTIMATE.start_main_~x~4 (* 4 ULTIMATE.start_main_~y~4))), 61370#(<= 26208 (+ ULTIMATE.start_main_~x~4 (* 3 ULTIMATE.start_main_~y~4))), 61371#(<= 26216 (+ ULTIMATE.start_main_~x~4 (* 2 ULTIMATE.start_main_~y~4))), 61372#(<= 26220 (+ ULTIMATE.start_main_~x~4 ULTIMATE.start_main_~y~4)), 61373#(<= 1 ULTIMATE.start___VERIFIER_assert_~cond)] [2018-07-23 13:43:55,150 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 13:43:55,150 INFO L450 AbstractCegarLoop]: Interpolant automaton has 117 states [2018-07-23 13:43:55,150 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 117 interpolants. [2018-07-23 13:43:55,151 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=231, Invalid=13341, Unknown=0, NotChecked=0, Total=13572 [2018-07-23 13:43:55,151 INFO L87 Difference]: Start difference. First operand 231 states and 231 transitions. Second operand 117 states. [2018-07-23 13:43:57,515 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-07-23 13:43:57,515 INFO L93 Difference]: Finished difference Result 236 states and 236 transitions. [2018-07-23 13:43:57,515 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 117 states. [2018-07-23 13:43:57,516 INFO L78 Accepts]: Start accepts. Automaton has 117 states. Word has length 230 [2018-07-23 13:43:57,516 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-07-23 13:43:57,516 INFO L225 Difference]: With dead ends: 236 [2018-07-23 13:43:57,516 INFO L226 Difference]: Without dead ends: 234 [2018-07-23 13:43:57,517 INFO L575 BasicCegarLoop]: 0 DeclaredPredicates, 116 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 115 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.6s TimeCoverageRelationStatistics Valid=231, Invalid=13341, Unknown=0, NotChecked=0, Total=13572 [2018-07-23 13:43:57,517 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 234 states. [2018-07-23 13:43:57,611 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 234 to 233. [2018-07-23 13:43:57,611 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 233 states. [2018-07-23 13:43:57,612 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 233 states to 233 states and 233 transitions. [2018-07-23 13:43:57,612 INFO L78 Accepts]: Start accepts. Automaton has 233 states and 233 transitions. Word has length 230 [2018-07-23 13:43:57,612 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-07-23 13:43:57,612 INFO L471 AbstractCegarLoop]: Abstraction has 233 states and 233 transitions. [2018-07-23 13:43:57,612 INFO L472 AbstractCegarLoop]: Interpolant automaton has 117 states. [2018-07-23 13:43:57,612 INFO L276 IsEmpty]: Start isEmpty. Operand 233 states and 233 transitions. [2018-07-23 13:43:57,613 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 233 [2018-07-23 13:43:57,613 INFO L349 BasicCegarLoop]: Found error trace [2018-07-23 13:43:57,613 INFO L357 BasicCegarLoop]: trace histogram [115, 114, 1, 1, 1] [2018-07-23 13:43:57,613 INFO L414 AbstractCegarLoop]: === Iteration 115 === [ULTIMATE.startErr0AssertViolationASSERT]=== [2018-07-23 13:43:57,613 INFO L82 PathProgramCache]: Analyzing trace with hash 1607816079, now seen corresponding path program 114 times [2018-07-23 13:43:57,613 INFO L69 tionRefinementEngine]: Using refinement strategy FixedRefinementStrategy [2018-07-23 13:43:57,914 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-07-23 13:43:59,327 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 13:43:59,328 INFO L309 seRefinementStrategy]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2018-07-23 13:43:59,328 INFO L324 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [117] total 117 [2018-07-23 13:43:59,328 INFO L142 lantAutomatonBuilder]: Constructing canonical interpolant automaton, with selfloop in false state [2018-07-23 13:43:59,328 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-07-23 13:43:59,328 INFO L185 omatonBuilderFactory]: Interpolants [62312#true, 62313#false, 62314#(<= 460 (+ ULTIMATE.start_main_~x~4 (* 115 ULTIMATE.start_main_~y~4))), 62315#(<= 916 (+ ULTIMATE.start_main_~x~4 (* 114 ULTIMATE.start_main_~y~4))), 62316#(<= 1368 (+ ULTIMATE.start_main_~x~4 (* 113 ULTIMATE.start_main_~y~4))), 62317#(<= 1816 (+ ULTIMATE.start_main_~x~4 (* 112 ULTIMATE.start_main_~y~4))), 62318#(<= 2260 (+ ULTIMATE.start_main_~x~4 (* 111 ULTIMATE.start_main_~y~4))), 62319#(<= 2700 (+ ULTIMATE.start_main_~x~4 (* 110 ULTIMATE.start_main_~y~4))), 62320#(<= 3136 (+ ULTIMATE.start_main_~x~4 (* 109 ULTIMATE.start_main_~y~4))), 62321#(<= 3568 (+ ULTIMATE.start_main_~x~4 (* 108 ULTIMATE.start_main_~y~4))), 62322#(<= 3996 (+ ULTIMATE.start_main_~x~4 (* 107 ULTIMATE.start_main_~y~4))), 62323#(<= 4420 (+ ULTIMATE.start_main_~x~4 (* 106 ULTIMATE.start_main_~y~4))), 62324#(<= 4840 (+ ULTIMATE.start_main_~x~4 (* 105 ULTIMATE.start_main_~y~4))), 62325#(<= 5256 (+ ULTIMATE.start_main_~x~4 (* 104 ULTIMATE.start_main_~y~4))), 62326#(<= 5668 (+ ULTIMATE.start_main_~x~4 (* 103 ULTIMATE.start_main_~y~4))), 62327#(<= 6076 (+ ULTIMATE.start_main_~x~4 (* 102 ULTIMATE.start_main_~y~4))), 62328#(<= 6480 (+ ULTIMATE.start_main_~x~4 (* 101 ULTIMATE.start_main_~y~4))), 62329#(<= 6880 (+ ULTIMATE.start_main_~x~4 (* 100 ULTIMATE.start_main_~y~4))), 62330#(<= 7276 (+ ULTIMATE.start_main_~x~4 (* 99 ULTIMATE.start_main_~y~4))), 62331#(<= 7668 (+ ULTIMATE.start_main_~x~4 (* 98 ULTIMATE.start_main_~y~4))), 62332#(<= 8056 (+ ULTIMATE.start_main_~x~4 (* 97 ULTIMATE.start_main_~y~4))), 62333#(<= 8440 (+ ULTIMATE.start_main_~x~4 (* 96 ULTIMATE.start_main_~y~4))), 62334#(<= 8820 (+ ULTIMATE.start_main_~x~4 (* 95 ULTIMATE.start_main_~y~4))), 62335#(<= 9196 (+ ULTIMATE.start_main_~x~4 (* 94 ULTIMATE.start_main_~y~4))), 62336#(<= 9568 (+ ULTIMATE.start_main_~x~4 (* 93 ULTIMATE.start_main_~y~4))), 62337#(<= 9936 (+ ULTIMATE.start_main_~x~4 (* 92 ULTIMATE.start_main_~y~4))), 62338#(<= 10300 (+ ULTIMATE.start_main_~x~4 (* 91 ULTIMATE.start_main_~y~4))), 62339#(<= 10660 (+ ULTIMATE.start_main_~x~4 (* 90 ULTIMATE.start_main_~y~4))), 62340#(<= 11016 (+ ULTIMATE.start_main_~x~4 (* 89 ULTIMATE.start_main_~y~4))), 62341#(<= 11368 (+ ULTIMATE.start_main_~x~4 (* 88 ULTIMATE.start_main_~y~4))), 62342#(<= 11716 (+ ULTIMATE.start_main_~x~4 (* 87 ULTIMATE.start_main_~y~4))), 62343#(<= 12060 (+ ULTIMATE.start_main_~x~4 (* 86 ULTIMATE.start_main_~y~4))), 62344#(<= 12400 (+ ULTIMATE.start_main_~x~4 (* 85 ULTIMATE.start_main_~y~4))), 62345#(<= 12736 (+ ULTIMATE.start_main_~x~4 (* 84 ULTIMATE.start_main_~y~4))), 62346#(<= 13068 (+ ULTIMATE.start_main_~x~4 (* 83 ULTIMATE.start_main_~y~4))), 62347#(<= 13396 (+ ULTIMATE.start_main_~x~4 (* 82 ULTIMATE.start_main_~y~4))), 62348#(<= 13720 (+ ULTIMATE.start_main_~x~4 (* 81 ULTIMATE.start_main_~y~4))), 62349#(<= 14040 (+ ULTIMATE.start_main_~x~4 (* 80 ULTIMATE.start_main_~y~4))), 62350#(<= 14356 (+ ULTIMATE.start_main_~x~4 (* 79 ULTIMATE.start_main_~y~4))), 62351#(<= 14668 (+ ULTIMATE.start_main_~x~4 (* 78 ULTIMATE.start_main_~y~4))), 62352#(<= 14976 (+ ULTIMATE.start_main_~x~4 (* 77 ULTIMATE.start_main_~y~4))), 62353#(<= 15280 (+ ULTIMATE.start_main_~x~4 (* 76 ULTIMATE.start_main_~y~4))), 62354#(<= 15580 (+ ULTIMATE.start_main_~x~4 (* 75 ULTIMATE.start_main_~y~4))), 62355#(<= 15876 (+ ULTIMATE.start_main_~x~4 (* 74 ULTIMATE.start_main_~y~4))), 62356#(<= 16168 (+ ULTIMATE.start_main_~x~4 (* 73 ULTIMATE.start_main_~y~4))), 62357#(<= 16456 (+ ULTIMATE.start_main_~x~4 (* 72 ULTIMATE.start_main_~y~4))), 62358#(<= 16740 (+ ULTIMATE.start_main_~x~4 (* 71 ULTIMATE.start_main_~y~4))), 62359#(<= 17020 (+ ULTIMATE.start_main_~x~4 (* 70 ULTIMATE.start_main_~y~4))), 62360#(<= 17296 (+ ULTIMATE.start_main_~x~4 (* 69 ULTIMATE.start_main_~y~4))), 62361#(<= 17568 (+ ULTIMATE.start_main_~x~4 (* 68 ULTIMATE.start_main_~y~4))), 62362#(<= 17836 (+ ULTIMATE.start_main_~x~4 (* 67 ULTIMATE.start_main_~y~4))), 62363#(<= 18100 (+ ULTIMATE.start_main_~x~4 (* 66 ULTIMATE.start_main_~y~4))), 62364#(<= 18360 (+ ULTIMATE.start_main_~x~4 (* 65 ULTIMATE.start_main_~y~4))), 62365#(<= 18616 (+ ULTIMATE.start_main_~x~4 (* 64 ULTIMATE.start_main_~y~4))), 62366#(<= 18868 (+ ULTIMATE.start_main_~x~4 (* 63 ULTIMATE.start_main_~y~4))), 62367#(<= 19116 (+ ULTIMATE.start_main_~x~4 (* 62 ULTIMATE.start_main_~y~4))), 62368#(<= 19360 (+ ULTIMATE.start_main_~x~4 (* 61 ULTIMATE.start_main_~y~4))), 62369#(<= 19600 (+ ULTIMATE.start_main_~x~4 (* 60 ULTIMATE.start_main_~y~4))), 62370#(<= 19836 (+ ULTIMATE.start_main_~x~4 (* 59 ULTIMATE.start_main_~y~4))), 62371#(<= 20068 (+ ULTIMATE.start_main_~x~4 (* 58 ULTIMATE.start_main_~y~4))), 62372#(<= 20296 (+ ULTIMATE.start_main_~x~4 (* 57 ULTIMATE.start_main_~y~4))), 62373#(<= 20520 (+ ULTIMATE.start_main_~x~4 (* 56 ULTIMATE.start_main_~y~4))), 62374#(<= 20740 (+ ULTIMATE.start_main_~x~4 (* 55 ULTIMATE.start_main_~y~4))), 62375#(<= 20956 (+ ULTIMATE.start_main_~x~4 (* 54 ULTIMATE.start_main_~y~4))), 62376#(<= 21168 (+ ULTIMATE.start_main_~x~4 (* 53 ULTIMATE.start_main_~y~4))), 62377#(<= 21376 (+ ULTIMATE.start_main_~x~4 (* 52 ULTIMATE.start_main_~y~4))), 62378#(<= 21580 (+ ULTIMATE.start_main_~x~4 (* 51 ULTIMATE.start_main_~y~4))), 62379#(<= 21780 (+ ULTIMATE.start_main_~x~4 (* 50 ULTIMATE.start_main_~y~4))), 62380#(<= 21976 (+ ULTIMATE.start_main_~x~4 (* 49 ULTIMATE.start_main_~y~4))), 62381#(<= 22168 (+ ULTIMATE.start_main_~x~4 (* 48 ULTIMATE.start_main_~y~4))), 62382#(<= 22356 (+ ULTIMATE.start_main_~x~4 (* 47 ULTIMATE.start_main_~y~4))), 62383#(<= 22540 (+ ULTIMATE.start_main_~x~4 (* 46 ULTIMATE.start_main_~y~4))), 62384#(<= 22720 (+ ULTIMATE.start_main_~x~4 (* 45 ULTIMATE.start_main_~y~4))), 62385#(<= 22896 (+ ULTIMATE.start_main_~x~4 (* 44 ULTIMATE.start_main_~y~4))), 62386#(<= 23068 (+ ULTIMATE.start_main_~x~4 (* 43 ULTIMATE.start_main_~y~4))), 62387#(<= 23236 (+ ULTIMATE.start_main_~x~4 (* 42 ULTIMATE.start_main_~y~4))), 62388#(<= 23400 (+ ULTIMATE.start_main_~x~4 (* 41 ULTIMATE.start_main_~y~4))), 62389#(<= 23560 (+ ULTIMATE.start_main_~x~4 (* 40 ULTIMATE.start_main_~y~4))), 62390#(<= 23716 (+ ULTIMATE.start_main_~x~4 (* 39 ULTIMATE.start_main_~y~4))), 62391#(<= 23868 (+ ULTIMATE.start_main_~x~4 (* 38 ULTIMATE.start_main_~y~4))), 62392#(<= 24016 (+ ULTIMATE.start_main_~x~4 (* 37 ULTIMATE.start_main_~y~4))), 62393#(<= 24160 (+ ULTIMATE.start_main_~x~4 (* 36 ULTIMATE.start_main_~y~4))), 62394#(<= 24300 (+ ULTIMATE.start_main_~x~4 (* 35 ULTIMATE.start_main_~y~4))), 62395#(<= 24436 (+ ULTIMATE.start_main_~x~4 (* 34 ULTIMATE.start_main_~y~4))), 62396#(<= 24568 (+ ULTIMATE.start_main_~x~4 (* 33 ULTIMATE.start_main_~y~4))), 62397#(<= 24696 (+ ULTIMATE.start_main_~x~4 (* 32 ULTIMATE.start_main_~y~4))), 62398#(<= 24820 (+ ULTIMATE.start_main_~x~4 (* 31 ULTIMATE.start_main_~y~4))), 62399#(<= 24940 (+ ULTIMATE.start_main_~x~4 (* 30 ULTIMATE.start_main_~y~4))), 62400#(<= 25056 (+ ULTIMATE.start_main_~x~4 (* 29 ULTIMATE.start_main_~y~4))), 62401#(<= 25168 (+ ULTIMATE.start_main_~x~4 (* 28 ULTIMATE.start_main_~y~4))), 62402#(<= 25276 (+ ULTIMATE.start_main_~x~4 (* 27 ULTIMATE.start_main_~y~4))), 62403#(<= 25380 (+ ULTIMATE.start_main_~x~4 (* 26 ULTIMATE.start_main_~y~4))), 62404#(<= 25480 (+ ULTIMATE.start_main_~x~4 (* 25 ULTIMATE.start_main_~y~4))), 62405#(<= 25576 (+ ULTIMATE.start_main_~x~4 (* 24 ULTIMATE.start_main_~y~4))), 62406#(<= 25668 (+ ULTIMATE.start_main_~x~4 (* 23 ULTIMATE.start_main_~y~4))), 62407#(<= 25756 (+ ULTIMATE.start_main_~x~4 (* 22 ULTIMATE.start_main_~y~4))), 62408#(<= 25840 (+ ULTIMATE.start_main_~x~4 (* 21 ULTIMATE.start_main_~y~4))), 62409#(<= 25920 (+ ULTIMATE.start_main_~x~4 (* 20 ULTIMATE.start_main_~y~4))), 62410#(<= 25996 (+ ULTIMATE.start_main_~x~4 (* 19 ULTIMATE.start_main_~y~4))), 62411#(<= 26068 (+ ULTIMATE.start_main_~x~4 (* 18 ULTIMATE.start_main_~y~4))), 62412#(<= 26136 (+ ULTIMATE.start_main_~x~4 (* 17 ULTIMATE.start_main_~y~4))), 62413#(<= 26200 (+ ULTIMATE.start_main_~x~4 (* 16 ULTIMATE.start_main_~y~4))), 62414#(<= 26260 (+ ULTIMATE.start_main_~x~4 (* 15 ULTIMATE.start_main_~y~4))), 62415#(<= 26316 (+ ULTIMATE.start_main_~x~4 (* 14 ULTIMATE.start_main_~y~4))), 62416#(<= 26368 (+ ULTIMATE.start_main_~x~4 (* 13 ULTIMATE.start_main_~y~4))), 62417#(<= 26416 (+ ULTIMATE.start_main_~x~4 (* 12 ULTIMATE.start_main_~y~4))), 62418#(<= 26460 (+ ULTIMATE.start_main_~x~4 (* 11 ULTIMATE.start_main_~y~4))), 62419#(<= 26500 (+ ULTIMATE.start_main_~x~4 (* 10 ULTIMATE.start_main_~y~4))), 62420#(<= 26536 (+ ULTIMATE.start_main_~x~4 (* 9 ULTIMATE.start_main_~y~4))), 62421#(<= 26568 (+ ULTIMATE.start_main_~x~4 (* 8 ULTIMATE.start_main_~y~4))), 62422#(<= 26596 (+ ULTIMATE.start_main_~x~4 (* 7 ULTIMATE.start_main_~y~4))), 62423#(<= 26620 (+ ULTIMATE.start_main_~x~4 (* 6 ULTIMATE.start_main_~y~4))), 62424#(<= 26640 (+ ULTIMATE.start_main_~x~4 (* 5 ULTIMATE.start_main_~y~4))), 62425#(<= 26656 (+ ULTIMATE.start_main_~x~4 (* 4 ULTIMATE.start_main_~y~4))), 62426#(<= 26668 (+ ULTIMATE.start_main_~x~4 (* 3 ULTIMATE.start_main_~y~4))), 62427#(<= 26676 (+ ULTIMATE.start_main_~x~4 (* 2 ULTIMATE.start_main_~y~4))), 62428#(<= 26680 (+ ULTIMATE.start_main_~x~4 ULTIMATE.start_main_~y~4)), 62429#(<= 1 ULTIMATE.start___VERIFIER_assert_~cond)] [2018-07-23 13:43:59,329 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 13:43:59,329 INFO L450 AbstractCegarLoop]: Interpolant automaton has 118 states [2018-07-23 13:43:59,330 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 118 interpolants. [2018-07-23 13:43:59,330 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=233, Invalid=13573, Unknown=0, NotChecked=0, Total=13806 [2018-07-23 13:43:59,330 INFO L87 Difference]: Start difference. First operand 233 states and 233 transitions. Second operand 118 states. [2018-07-23 13:44:01,740 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-07-23 13:44:01,740 INFO L93 Difference]: Finished difference Result 238 states and 238 transitions. [2018-07-23 13:44:01,740 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 118 states. [2018-07-23 13:44:01,740 INFO L78 Accepts]: Start accepts. Automaton has 118 states. Word has length 232 [2018-07-23 13:44:01,740 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-07-23 13:44:01,741 INFO L225 Difference]: With dead ends: 238 [2018-07-23 13:44:01,741 INFO L226 Difference]: Without dead ends: 236 [2018-07-23 13:44:01,741 INFO L575 BasicCegarLoop]: 0 DeclaredPredicates, 117 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 116 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.6s TimeCoverageRelationStatistics Valid=233, Invalid=13573, Unknown=0, NotChecked=0, Total=13806 [2018-07-23 13:44:01,742 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 236 states. [2018-07-23 13:44:01,834 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 236 to 235. [2018-07-23 13:44:01,834 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 235 states. [2018-07-23 13:44:01,835 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 235 states to 235 states and 235 transitions. [2018-07-23 13:44:01,835 INFO L78 Accepts]: Start accepts. Automaton has 235 states and 235 transitions. Word has length 232 [2018-07-23 13:44:01,835 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-07-23 13:44:01,835 INFO L471 AbstractCegarLoop]: Abstraction has 235 states and 235 transitions. [2018-07-23 13:44:01,835 INFO L472 AbstractCegarLoop]: Interpolant automaton has 118 states. [2018-07-23 13:44:01,835 INFO L276 IsEmpty]: Start isEmpty. Operand 235 states and 235 transitions. [2018-07-23 13:44:01,836 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 235 [2018-07-23 13:44:01,836 INFO L349 BasicCegarLoop]: Found error trace [2018-07-23 13:44:01,836 INFO L357 BasicCegarLoop]: trace histogram [116, 115, 1, 1, 1] [2018-07-23 13:44:01,836 INFO L414 AbstractCegarLoop]: === Iteration 116 === [ULTIMATE.startErr0AssertViolationASSERT]=== [2018-07-23 13:44:01,836 INFO L82 PathProgramCache]: Analyzing trace with hash -1077027943, now seen corresponding path program 115 times [2018-07-23 13:44:01,836 INFO L69 tionRefinementEngine]: Using refinement strategy FixedRefinementStrategy [2018-07-23 13:44:02,154 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-07-23 13:44:03,716 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 13:44:03,716 INFO L309 seRefinementStrategy]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2018-07-23 13:44:03,716 INFO L324 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [118] total 118 [2018-07-23 13:44:03,716 INFO L142 lantAutomatonBuilder]: Constructing canonical interpolant automaton, with selfloop in false state [2018-07-23 13:44:03,716 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-07-23 13:44:03,717 INFO L185 omatonBuilderFactory]: Interpolants [63488#(<= 27084 (+ ULTIMATE.start_main_~x~4 (* 6 ULTIMATE.start_main_~y~4))), 63489#(<= 27104 (+ ULTIMATE.start_main_~x~4 (* 5 ULTIMATE.start_main_~y~4))), 63490#(<= 27120 (+ ULTIMATE.start_main_~x~4 (* 4 ULTIMATE.start_main_~y~4))), 63491#(<= 27132 (+ ULTIMATE.start_main_~x~4 (* 3 ULTIMATE.start_main_~y~4))), 63492#(<= 27140 (+ ULTIMATE.start_main_~x~4 (* 2 ULTIMATE.start_main_~y~4))), 63493#(<= 27144 (+ ULTIMATE.start_main_~x~4 ULTIMATE.start_main_~y~4)), 63494#(<= 1 ULTIMATE.start___VERIFIER_assert_~cond), 63376#true, 63377#false, 63378#(<= 464 (+ ULTIMATE.start_main_~x~4 (* 116 ULTIMATE.start_main_~y~4))), 63379#(<= 924 (+ ULTIMATE.start_main_~x~4 (* 115 ULTIMATE.start_main_~y~4))), 63380#(<= 1380 (+ ULTIMATE.start_main_~x~4 (* 114 ULTIMATE.start_main_~y~4))), 63381#(<= 1832 (+ ULTIMATE.start_main_~x~4 (* 113 ULTIMATE.start_main_~y~4))), 63382#(<= 2280 (+ ULTIMATE.start_main_~x~4 (* 112 ULTIMATE.start_main_~y~4))), 63383#(<= 2724 (+ ULTIMATE.start_main_~x~4 (* 111 ULTIMATE.start_main_~y~4))), 63384#(<= 3164 (+ ULTIMATE.start_main_~x~4 (* 110 ULTIMATE.start_main_~y~4))), 63385#(<= 3600 (+ ULTIMATE.start_main_~x~4 (* 109 ULTIMATE.start_main_~y~4))), 63386#(<= 4032 (+ ULTIMATE.start_main_~x~4 (* 108 ULTIMATE.start_main_~y~4))), 63387#(<= 4460 (+ ULTIMATE.start_main_~x~4 (* 107 ULTIMATE.start_main_~y~4))), 63388#(<= 4884 (+ ULTIMATE.start_main_~x~4 (* 106 ULTIMATE.start_main_~y~4))), 63389#(<= 5304 (+ ULTIMATE.start_main_~x~4 (* 105 ULTIMATE.start_main_~y~4))), 63390#(<= 5720 (+ ULTIMATE.start_main_~x~4 (* 104 ULTIMATE.start_main_~y~4))), 63391#(<= 6132 (+ ULTIMATE.start_main_~x~4 (* 103 ULTIMATE.start_main_~y~4))), 63392#(<= 6540 (+ ULTIMATE.start_main_~x~4 (* 102 ULTIMATE.start_main_~y~4))), 63393#(<= 6944 (+ ULTIMATE.start_main_~x~4 (* 101 ULTIMATE.start_main_~y~4))), 63394#(<= 7344 (+ ULTIMATE.start_main_~x~4 (* 100 ULTIMATE.start_main_~y~4))), 63395#(<= 7740 (+ ULTIMATE.start_main_~x~4 (* 99 ULTIMATE.start_main_~y~4))), 63396#(<= 8132 (+ ULTIMATE.start_main_~x~4 (* 98 ULTIMATE.start_main_~y~4))), 63397#(<= 8520 (+ ULTIMATE.start_main_~x~4 (* 97 ULTIMATE.start_main_~y~4))), 63398#(<= 8904 (+ ULTIMATE.start_main_~x~4 (* 96 ULTIMATE.start_main_~y~4))), 63399#(<= 9284 (+ ULTIMATE.start_main_~x~4 (* 95 ULTIMATE.start_main_~y~4))), 63400#(<= 9660 (+ ULTIMATE.start_main_~x~4 (* 94 ULTIMATE.start_main_~y~4))), 63401#(<= 10032 (+ ULTIMATE.start_main_~x~4 (* 93 ULTIMATE.start_main_~y~4))), 63402#(<= 10400 (+ ULTIMATE.start_main_~x~4 (* 92 ULTIMATE.start_main_~y~4))), 63403#(<= 10764 (+ ULTIMATE.start_main_~x~4 (* 91 ULTIMATE.start_main_~y~4))), 63404#(<= 11124 (+ ULTIMATE.start_main_~x~4 (* 90 ULTIMATE.start_main_~y~4))), 63405#(<= 11480 (+ ULTIMATE.start_main_~x~4 (* 89 ULTIMATE.start_main_~y~4))), 63406#(<= 11832 (+ ULTIMATE.start_main_~x~4 (* 88 ULTIMATE.start_main_~y~4))), 63407#(<= 12180 (+ ULTIMATE.start_main_~x~4 (* 87 ULTIMATE.start_main_~y~4))), 63408#(<= 12524 (+ ULTIMATE.start_main_~x~4 (* 86 ULTIMATE.start_main_~y~4))), 63409#(<= 12864 (+ ULTIMATE.start_main_~x~4 (* 85 ULTIMATE.start_main_~y~4))), 63410#(<= 13200 (+ ULTIMATE.start_main_~x~4 (* 84 ULTIMATE.start_main_~y~4))), 63411#(<= 13532 (+ ULTIMATE.start_main_~x~4 (* 83 ULTIMATE.start_main_~y~4))), 63412#(<= 13860 (+ ULTIMATE.start_main_~x~4 (* 82 ULTIMATE.start_main_~y~4))), 63413#(<= 14184 (+ ULTIMATE.start_main_~x~4 (* 81 ULTIMATE.start_main_~y~4))), 63414#(<= 14504 (+ ULTIMATE.start_main_~x~4 (* 80 ULTIMATE.start_main_~y~4))), 63415#(<= 14820 (+ ULTIMATE.start_main_~x~4 (* 79 ULTIMATE.start_main_~y~4))), 63416#(<= 15132 (+ ULTIMATE.start_main_~x~4 (* 78 ULTIMATE.start_main_~y~4))), 63417#(<= 15440 (+ ULTIMATE.start_main_~x~4 (* 77 ULTIMATE.start_main_~y~4))), 63418#(<= 15744 (+ ULTIMATE.start_main_~x~4 (* 76 ULTIMATE.start_main_~y~4))), 63419#(<= 16044 (+ ULTIMATE.start_main_~x~4 (* 75 ULTIMATE.start_main_~y~4))), 63420#(<= 16340 (+ ULTIMATE.start_main_~x~4 (* 74 ULTIMATE.start_main_~y~4))), 63421#(<= 16632 (+ ULTIMATE.start_main_~x~4 (* 73 ULTIMATE.start_main_~y~4))), 63422#(<= 16920 (+ ULTIMATE.start_main_~x~4 (* 72 ULTIMATE.start_main_~y~4))), 63423#(<= 17204 (+ ULTIMATE.start_main_~x~4 (* 71 ULTIMATE.start_main_~y~4))), 63424#(<= 17484 (+ ULTIMATE.start_main_~x~4 (* 70 ULTIMATE.start_main_~y~4))), 63425#(<= 17760 (+ ULTIMATE.start_main_~x~4 (* 69 ULTIMATE.start_main_~y~4))), 63426#(<= 18032 (+ ULTIMATE.start_main_~x~4 (* 68 ULTIMATE.start_main_~y~4))), 63427#(<= 18300 (+ ULTIMATE.start_main_~x~4 (* 67 ULTIMATE.start_main_~y~4))), 63428#(<= 18564 (+ ULTIMATE.start_main_~x~4 (* 66 ULTIMATE.start_main_~y~4))), 63429#(<= 18824 (+ ULTIMATE.start_main_~x~4 (* 65 ULTIMATE.start_main_~y~4))), 63430#(<= 19080 (+ ULTIMATE.start_main_~x~4 (* 64 ULTIMATE.start_main_~y~4))), 63431#(<= 19332 (+ ULTIMATE.start_main_~x~4 (* 63 ULTIMATE.start_main_~y~4))), 63432#(<= 19580 (+ ULTIMATE.start_main_~x~4 (* 62 ULTIMATE.start_main_~y~4))), 63433#(<= 19824 (+ ULTIMATE.start_main_~x~4 (* 61 ULTIMATE.start_main_~y~4))), 63434#(<= 20064 (+ ULTIMATE.start_main_~x~4 (* 60 ULTIMATE.start_main_~y~4))), 63435#(<= 20300 (+ ULTIMATE.start_main_~x~4 (* 59 ULTIMATE.start_main_~y~4))), 63436#(<= 20532 (+ ULTIMATE.start_main_~x~4 (* 58 ULTIMATE.start_main_~y~4))), 63437#(<= 20760 (+ ULTIMATE.start_main_~x~4 (* 57 ULTIMATE.start_main_~y~4))), 63438#(<= 20984 (+ ULTIMATE.start_main_~x~4 (* 56 ULTIMATE.start_main_~y~4))), 63439#(<= 21204 (+ ULTIMATE.start_main_~x~4 (* 55 ULTIMATE.start_main_~y~4))), 63440#(<= 21420 (+ ULTIMATE.start_main_~x~4 (* 54 ULTIMATE.start_main_~y~4))), 63441#(<= 21632 (+ ULTIMATE.start_main_~x~4 (* 53 ULTIMATE.start_main_~y~4))), 63442#(<= 21840 (+ ULTIMATE.start_main_~x~4 (* 52 ULTIMATE.start_main_~y~4))), 63443#(<= 22044 (+ ULTIMATE.start_main_~x~4 (* 51 ULTIMATE.start_main_~y~4))), 63444#(<= 22244 (+ ULTIMATE.start_main_~x~4 (* 50 ULTIMATE.start_main_~y~4))), 63445#(<= 22440 (+ ULTIMATE.start_main_~x~4 (* 49 ULTIMATE.start_main_~y~4))), 63446#(<= 22632 (+ ULTIMATE.start_main_~x~4 (* 48 ULTIMATE.start_main_~y~4))), 63447#(<= 22820 (+ ULTIMATE.start_main_~x~4 (* 47 ULTIMATE.start_main_~y~4))), 63448#(<= 23004 (+ ULTIMATE.start_main_~x~4 (* 46 ULTIMATE.start_main_~y~4))), 63449#(<= 23184 (+ ULTIMATE.start_main_~x~4 (* 45 ULTIMATE.start_main_~y~4))), 63450#(<= 23360 (+ ULTIMATE.start_main_~x~4 (* 44 ULTIMATE.start_main_~y~4))), 63451#(<= 23532 (+ ULTIMATE.start_main_~x~4 (* 43 ULTIMATE.start_main_~y~4))), 63452#(<= 23700 (+ ULTIMATE.start_main_~x~4 (* 42 ULTIMATE.start_main_~y~4))), 63453#(<= 23864 (+ ULTIMATE.start_main_~x~4 (* 41 ULTIMATE.start_main_~y~4))), 63454#(<= 24024 (+ ULTIMATE.start_main_~x~4 (* 40 ULTIMATE.start_main_~y~4))), 63455#(<= 24180 (+ ULTIMATE.start_main_~x~4 (* 39 ULTIMATE.start_main_~y~4))), 63456#(<= 24332 (+ ULTIMATE.start_main_~x~4 (* 38 ULTIMATE.start_main_~y~4))), 63457#(<= 24480 (+ ULTIMATE.start_main_~x~4 (* 37 ULTIMATE.start_main_~y~4))), 63458#(<= 24624 (+ ULTIMATE.start_main_~x~4 (* 36 ULTIMATE.start_main_~y~4))), 63459#(<= 24764 (+ ULTIMATE.start_main_~x~4 (* 35 ULTIMATE.start_main_~y~4))), 63460#(<= 24900 (+ ULTIMATE.start_main_~x~4 (* 34 ULTIMATE.start_main_~y~4))), 63461#(<= 25032 (+ ULTIMATE.start_main_~x~4 (* 33 ULTIMATE.start_main_~y~4))), 63462#(<= 25160 (+ ULTIMATE.start_main_~x~4 (* 32 ULTIMATE.start_main_~y~4))), 63463#(<= 25284 (+ ULTIMATE.start_main_~x~4 (* 31 ULTIMATE.start_main_~y~4))), 63464#(<= 25404 (+ ULTIMATE.start_main_~x~4 (* 30 ULTIMATE.start_main_~y~4))), 63465#(<= 25520 (+ ULTIMATE.start_main_~x~4 (* 29 ULTIMATE.start_main_~y~4))), 63466#(<= 25632 (+ ULTIMATE.start_main_~x~4 (* 28 ULTIMATE.start_main_~y~4))), 63467#(<= 25740 (+ ULTIMATE.start_main_~x~4 (* 27 ULTIMATE.start_main_~y~4))), 63468#(<= 25844 (+ ULTIMATE.start_main_~x~4 (* 26 ULTIMATE.start_main_~y~4))), 63469#(<= 25944 (+ ULTIMATE.start_main_~x~4 (* 25 ULTIMATE.start_main_~y~4))), 63470#(<= 26040 (+ ULTIMATE.start_main_~x~4 (* 24 ULTIMATE.start_main_~y~4))), 63471#(<= 26132 (+ ULTIMATE.start_main_~x~4 (* 23 ULTIMATE.start_main_~y~4))), 63472#(<= 26220 (+ ULTIMATE.start_main_~x~4 (* 22 ULTIMATE.start_main_~y~4))), 63473#(<= 26304 (+ ULTIMATE.start_main_~x~4 (* 21 ULTIMATE.start_main_~y~4))), 63474#(<= 26384 (+ ULTIMATE.start_main_~x~4 (* 20 ULTIMATE.start_main_~y~4))), 63475#(<= 26460 (+ ULTIMATE.start_main_~x~4 (* 19 ULTIMATE.start_main_~y~4))), 63476#(<= 26532 (+ ULTIMATE.start_main_~x~4 (* 18 ULTIMATE.start_main_~y~4))), 63477#(<= 26600 (+ ULTIMATE.start_main_~x~4 (* 17 ULTIMATE.start_main_~y~4))), 63478#(<= 26664 (+ ULTIMATE.start_main_~x~4 (* 16 ULTIMATE.start_main_~y~4))), 63479#(<= 26724 (+ ULTIMATE.start_main_~x~4 (* 15 ULTIMATE.start_main_~y~4))), 63480#(<= 26780 (+ ULTIMATE.start_main_~x~4 (* 14 ULTIMATE.start_main_~y~4))), 63481#(<= 26832 (+ ULTIMATE.start_main_~x~4 (* 13 ULTIMATE.start_main_~y~4))), 63482#(<= 26880 (+ ULTIMATE.start_main_~x~4 (* 12 ULTIMATE.start_main_~y~4))), 63483#(<= 26924 (+ ULTIMATE.start_main_~x~4 (* 11 ULTIMATE.start_main_~y~4))), 63484#(<= 26964 (+ ULTIMATE.start_main_~x~4 (* 10 ULTIMATE.start_main_~y~4))), 63485#(<= 27000 (+ ULTIMATE.start_main_~x~4 (* 9 ULTIMATE.start_main_~y~4))), 63486#(<= 27032 (+ ULTIMATE.start_main_~x~4 (* 8 ULTIMATE.start_main_~y~4))), 63487#(<= 27060 (+ ULTIMATE.start_main_~x~4 (* 7 ULTIMATE.start_main_~y~4)))] [2018-07-23 13:44:03,718 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 13:44:03,718 INFO L450 AbstractCegarLoop]: Interpolant automaton has 119 states [2018-07-23 13:44:03,718 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 119 interpolants. [2018-07-23 13:44:03,718 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=235, Invalid=13807, Unknown=0, NotChecked=0, Total=14042 [2018-07-23 13:44:03,719 INFO L87 Difference]: Start difference. First operand 235 states and 235 transitions. Second operand 119 states. [2018-07-23 13:44:06,192 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-07-23 13:44:06,192 INFO L93 Difference]: Finished difference Result 240 states and 240 transitions. [2018-07-23 13:44:06,192 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 119 states. [2018-07-23 13:44:06,192 INFO L78 Accepts]: Start accepts. Automaton has 119 states. Word has length 234 [2018-07-23 13:44:06,193 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-07-23 13:44:06,193 INFO L225 Difference]: With dead ends: 240 [2018-07-23 13:44:06,193 INFO L226 Difference]: Without dead ends: 238 [2018-07-23 13:44:06,194 INFO L575 BasicCegarLoop]: 0 DeclaredPredicates, 118 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 117 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.7s TimeCoverageRelationStatistics Valid=235, Invalid=13807, Unknown=0, NotChecked=0, Total=14042 [2018-07-23 13:44:06,194 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 238 states. [2018-07-23 13:44:06,284 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 238 to 237. [2018-07-23 13:44:06,284 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 237 states. [2018-07-23 13:44:06,285 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 237 states to 237 states and 237 transitions. [2018-07-23 13:44:06,285 INFO L78 Accepts]: Start accepts. Automaton has 237 states and 237 transitions. Word has length 234 [2018-07-23 13:44:06,285 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-07-23 13:44:06,285 INFO L471 AbstractCegarLoop]: Abstraction has 237 states and 237 transitions. [2018-07-23 13:44:06,285 INFO L472 AbstractCegarLoop]: Interpolant automaton has 119 states. [2018-07-23 13:44:06,285 INFO L276 IsEmpty]: Start isEmpty. Operand 237 states and 237 transitions. [2018-07-23 13:44:06,286 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 237 [2018-07-23 13:44:06,286 INFO L349 BasicCegarLoop]: Found error trace [2018-07-23 13:44:06,286 INFO L357 BasicCegarLoop]: trace histogram [117, 116, 1, 1, 1] [2018-07-23 13:44:06,286 INFO L414 AbstractCegarLoop]: === Iteration 117 === [ULTIMATE.startErr0AssertViolationASSERT]=== [2018-07-23 13:44:06,286 INFO L82 PathProgramCache]: Analyzing trace with hash 63211811, now seen corresponding path program 116 times [2018-07-23 13:44:06,286 INFO L69 tionRefinementEngine]: Using refinement strategy FixedRefinementStrategy [2018-07-23 13:44:06,658 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-07-23 13:44:08,253 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 13:44:08,253 INFO L309 seRefinementStrategy]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2018-07-23 13:44:08,253 INFO L324 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [119] total 119 [2018-07-23 13:44:08,254 INFO L142 lantAutomatonBuilder]: Constructing canonical interpolant automaton, with selfloop in false state [2018-07-23 13:44:08,254 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-07-23 13:44:08,254 INFO L185 omatonBuilderFactory]: Interpolants [64512#(<= 21452 (+ ULTIMATE.start_main_~x~4 (* 56 ULTIMATE.start_main_~y~4))), 64513#(<= 21672 (+ ULTIMATE.start_main_~x~4 (* 55 ULTIMATE.start_main_~y~4))), 64514#(<= 21888 (+ ULTIMATE.start_main_~x~4 (* 54 ULTIMATE.start_main_~y~4))), 64515#(<= 22100 (+ ULTIMATE.start_main_~x~4 (* 53 ULTIMATE.start_main_~y~4))), 64516#(<= 22308 (+ ULTIMATE.start_main_~x~4 (* 52 ULTIMATE.start_main_~y~4))), 64517#(<= 22512 (+ ULTIMATE.start_main_~x~4 (* 51 ULTIMATE.start_main_~y~4))), 64518#(<= 22712 (+ ULTIMATE.start_main_~x~4 (* 50 ULTIMATE.start_main_~y~4))), 64519#(<= 22908 (+ ULTIMATE.start_main_~x~4 (* 49 ULTIMATE.start_main_~y~4))), 64520#(<= 23100 (+ ULTIMATE.start_main_~x~4 (* 48 ULTIMATE.start_main_~y~4))), 64521#(<= 23288 (+ ULTIMATE.start_main_~x~4 (* 47 ULTIMATE.start_main_~y~4))), 64522#(<= 23472 (+ ULTIMATE.start_main_~x~4 (* 46 ULTIMATE.start_main_~y~4))), 64523#(<= 23652 (+ ULTIMATE.start_main_~x~4 (* 45 ULTIMATE.start_main_~y~4))), 64524#(<= 23828 (+ ULTIMATE.start_main_~x~4 (* 44 ULTIMATE.start_main_~y~4))), 64525#(<= 24000 (+ ULTIMATE.start_main_~x~4 (* 43 ULTIMATE.start_main_~y~4))), 64526#(<= 24168 (+ ULTIMATE.start_main_~x~4 (* 42 ULTIMATE.start_main_~y~4))), 64527#(<= 24332 (+ ULTIMATE.start_main_~x~4 (* 41 ULTIMATE.start_main_~y~4))), 64528#(<= 24492 (+ ULTIMATE.start_main_~x~4 (* 40 ULTIMATE.start_main_~y~4))), 64529#(<= 24648 (+ ULTIMATE.start_main_~x~4 (* 39 ULTIMATE.start_main_~y~4))), 64530#(<= 24800 (+ ULTIMATE.start_main_~x~4 (* 38 ULTIMATE.start_main_~y~4))), 64531#(<= 24948 (+ ULTIMATE.start_main_~x~4 (* 37 ULTIMATE.start_main_~y~4))), 64532#(<= 25092 (+ ULTIMATE.start_main_~x~4 (* 36 ULTIMATE.start_main_~y~4))), 64533#(<= 25232 (+ ULTIMATE.start_main_~x~4 (* 35 ULTIMATE.start_main_~y~4))), 64534#(<= 25368 (+ ULTIMATE.start_main_~x~4 (* 34 ULTIMATE.start_main_~y~4))), 64535#(<= 25500 (+ ULTIMATE.start_main_~x~4 (* 33 ULTIMATE.start_main_~y~4))), 64536#(<= 25628 (+ ULTIMATE.start_main_~x~4 (* 32 ULTIMATE.start_main_~y~4))), 64537#(<= 25752 (+ ULTIMATE.start_main_~x~4 (* 31 ULTIMATE.start_main_~y~4))), 64538#(<= 25872 (+ ULTIMATE.start_main_~x~4 (* 30 ULTIMATE.start_main_~y~4))), 64539#(<= 25988 (+ ULTIMATE.start_main_~x~4 (* 29 ULTIMATE.start_main_~y~4))), 64540#(<= 26100 (+ ULTIMATE.start_main_~x~4 (* 28 ULTIMATE.start_main_~y~4))), 64541#(<= 26208 (+ ULTIMATE.start_main_~x~4 (* 27 ULTIMATE.start_main_~y~4))), 64542#(<= 26312 (+ ULTIMATE.start_main_~x~4 (* 26 ULTIMATE.start_main_~y~4))), 64543#(<= 26412 (+ ULTIMATE.start_main_~x~4 (* 25 ULTIMATE.start_main_~y~4))), 64544#(<= 26508 (+ ULTIMATE.start_main_~x~4 (* 24 ULTIMATE.start_main_~y~4))), 64545#(<= 26600 (+ ULTIMATE.start_main_~x~4 (* 23 ULTIMATE.start_main_~y~4))), 64546#(<= 26688 (+ ULTIMATE.start_main_~x~4 (* 22 ULTIMATE.start_main_~y~4))), 64547#(<= 26772 (+ ULTIMATE.start_main_~x~4 (* 21 ULTIMATE.start_main_~y~4))), 64548#(<= 26852 (+ ULTIMATE.start_main_~x~4 (* 20 ULTIMATE.start_main_~y~4))), 64549#(<= 26928 (+ ULTIMATE.start_main_~x~4 (* 19 ULTIMATE.start_main_~y~4))), 64550#(<= 27000 (+ ULTIMATE.start_main_~x~4 (* 18 ULTIMATE.start_main_~y~4))), 64551#(<= 27068 (+ ULTIMATE.start_main_~x~4 (* 17 ULTIMATE.start_main_~y~4))), 64552#(<= 27132 (+ ULTIMATE.start_main_~x~4 (* 16 ULTIMATE.start_main_~y~4))), 64553#(<= 27192 (+ ULTIMATE.start_main_~x~4 (* 15 ULTIMATE.start_main_~y~4))), 64554#(<= 27248 (+ ULTIMATE.start_main_~x~4 (* 14 ULTIMATE.start_main_~y~4))), 64555#(<= 27300 (+ ULTIMATE.start_main_~x~4 (* 13 ULTIMATE.start_main_~y~4))), 64556#(<= 27348 (+ ULTIMATE.start_main_~x~4 (* 12 ULTIMATE.start_main_~y~4))), 64557#(<= 27392 (+ ULTIMATE.start_main_~x~4 (* 11 ULTIMATE.start_main_~y~4))), 64558#(<= 27432 (+ ULTIMATE.start_main_~x~4 (* 10 ULTIMATE.start_main_~y~4))), 64559#(<= 27468 (+ ULTIMATE.start_main_~x~4 (* 9 ULTIMATE.start_main_~y~4))), 64560#(<= 27500 (+ ULTIMATE.start_main_~x~4 (* 8 ULTIMATE.start_main_~y~4))), 64561#(<= 27528 (+ ULTIMATE.start_main_~x~4 (* 7 ULTIMATE.start_main_~y~4))), 64562#(<= 27552 (+ ULTIMATE.start_main_~x~4 (* 6 ULTIMATE.start_main_~y~4))), 64563#(<= 27572 (+ ULTIMATE.start_main_~x~4 (* 5 ULTIMATE.start_main_~y~4))), 64564#(<= 27588 (+ ULTIMATE.start_main_~x~4 (* 4 ULTIMATE.start_main_~y~4))), 64565#(<= 27600 (+ ULTIMATE.start_main_~x~4 (* 3 ULTIMATE.start_main_~y~4))), 64566#(<= 27608 (+ ULTIMATE.start_main_~x~4 (* 2 ULTIMATE.start_main_~y~4))), 64567#(<= 27612 (+ ULTIMATE.start_main_~x~4 ULTIMATE.start_main_~y~4)), 64568#(<= 1 ULTIMATE.start___VERIFIER_assert_~cond), 64449#true, 64450#false, 64451#(<= 468 (+ ULTIMATE.start_main_~x~4 (* 117 ULTIMATE.start_main_~y~4))), 64452#(<= 932 (+ ULTIMATE.start_main_~x~4 (* 116 ULTIMATE.start_main_~y~4))), 64453#(<= 1392 (+ ULTIMATE.start_main_~x~4 (* 115 ULTIMATE.start_main_~y~4))), 64454#(<= 1848 (+ ULTIMATE.start_main_~x~4 (* 114 ULTIMATE.start_main_~y~4))), 64455#(<= 2300 (+ ULTIMATE.start_main_~x~4 (* 113 ULTIMATE.start_main_~y~4))), 64456#(<= 2748 (+ ULTIMATE.start_main_~x~4 (* 112 ULTIMATE.start_main_~y~4))), 64457#(<= 3192 (+ ULTIMATE.start_main_~x~4 (* 111 ULTIMATE.start_main_~y~4))), 64458#(<= 3632 (+ ULTIMATE.start_main_~x~4 (* 110 ULTIMATE.start_main_~y~4))), 64459#(<= 4068 (+ ULTIMATE.start_main_~x~4 (* 109 ULTIMATE.start_main_~y~4))), 64460#(<= 4500 (+ ULTIMATE.start_main_~x~4 (* 108 ULTIMATE.start_main_~y~4))), 64461#(<= 4928 (+ ULTIMATE.start_main_~x~4 (* 107 ULTIMATE.start_main_~y~4))), 64462#(<= 5352 (+ ULTIMATE.start_main_~x~4 (* 106 ULTIMATE.start_main_~y~4))), 64463#(<= 5772 (+ ULTIMATE.start_main_~x~4 (* 105 ULTIMATE.start_main_~y~4))), 64464#(<= 6188 (+ ULTIMATE.start_main_~x~4 (* 104 ULTIMATE.start_main_~y~4))), 64465#(<= 6600 (+ ULTIMATE.start_main_~x~4 (* 103 ULTIMATE.start_main_~y~4))), 64466#(<= 7008 (+ ULTIMATE.start_main_~x~4 (* 102 ULTIMATE.start_main_~y~4))), 64467#(<= 7412 (+ ULTIMATE.start_main_~x~4 (* 101 ULTIMATE.start_main_~y~4))), 64468#(<= 7812 (+ ULTIMATE.start_main_~x~4 (* 100 ULTIMATE.start_main_~y~4))), 64469#(<= 8208 (+ ULTIMATE.start_main_~x~4 (* 99 ULTIMATE.start_main_~y~4))), 64470#(<= 8600 (+ ULTIMATE.start_main_~x~4 (* 98 ULTIMATE.start_main_~y~4))), 64471#(<= 8988 (+ ULTIMATE.start_main_~x~4 (* 97 ULTIMATE.start_main_~y~4))), 64472#(<= 9372 (+ ULTIMATE.start_main_~x~4 (* 96 ULTIMATE.start_main_~y~4))), 64473#(<= 9752 (+ ULTIMATE.start_main_~x~4 (* 95 ULTIMATE.start_main_~y~4))), 64474#(<= 10128 (+ ULTIMATE.start_main_~x~4 (* 94 ULTIMATE.start_main_~y~4))), 64475#(<= 10500 (+ ULTIMATE.start_main_~x~4 (* 93 ULTIMATE.start_main_~y~4))), 64476#(<= 10868 (+ ULTIMATE.start_main_~x~4 (* 92 ULTIMATE.start_main_~y~4))), 64477#(<= 11232 (+ ULTIMATE.start_main_~x~4 (* 91 ULTIMATE.start_main_~y~4))), 64478#(<= 11592 (+ ULTIMATE.start_main_~x~4 (* 90 ULTIMATE.start_main_~y~4))), 64479#(<= 11948 (+ ULTIMATE.start_main_~x~4 (* 89 ULTIMATE.start_main_~y~4))), 64480#(<= 12300 (+ ULTIMATE.start_main_~x~4 (* 88 ULTIMATE.start_main_~y~4))), 64481#(<= 12648 (+ ULTIMATE.start_main_~x~4 (* 87 ULTIMATE.start_main_~y~4))), 64482#(<= 12992 (+ ULTIMATE.start_main_~x~4 (* 86 ULTIMATE.start_main_~y~4))), 64483#(<= 13332 (+ ULTIMATE.start_main_~x~4 (* 85 ULTIMATE.start_main_~y~4))), 64484#(<= 13668 (+ ULTIMATE.start_main_~x~4 (* 84 ULTIMATE.start_main_~y~4))), 64485#(<= 14000 (+ ULTIMATE.start_main_~x~4 (* 83 ULTIMATE.start_main_~y~4))), 64486#(<= 14328 (+ ULTIMATE.start_main_~x~4 (* 82 ULTIMATE.start_main_~y~4))), 64487#(<= 14652 (+ ULTIMATE.start_main_~x~4 (* 81 ULTIMATE.start_main_~y~4))), 64488#(<= 14972 (+ ULTIMATE.start_main_~x~4 (* 80 ULTIMATE.start_main_~y~4))), 64489#(<= 15288 (+ ULTIMATE.start_main_~x~4 (* 79 ULTIMATE.start_main_~y~4))), 64490#(<= 15600 (+ ULTIMATE.start_main_~x~4 (* 78 ULTIMATE.start_main_~y~4))), 64491#(<= 15908 (+ ULTIMATE.start_main_~x~4 (* 77 ULTIMATE.start_main_~y~4))), 64492#(<= 16212 (+ ULTIMATE.start_main_~x~4 (* 76 ULTIMATE.start_main_~y~4))), 64493#(<= 16512 (+ ULTIMATE.start_main_~x~4 (* 75 ULTIMATE.start_main_~y~4))), 64494#(<= 16808 (+ ULTIMATE.start_main_~x~4 (* 74 ULTIMATE.start_main_~y~4))), 64495#(<= 17100 (+ ULTIMATE.start_main_~x~4 (* 73 ULTIMATE.start_main_~y~4))), 64496#(<= 17388 (+ ULTIMATE.start_main_~x~4 (* 72 ULTIMATE.start_main_~y~4))), 64497#(<= 17672 (+ ULTIMATE.start_main_~x~4 (* 71 ULTIMATE.start_main_~y~4))), 64498#(<= 17952 (+ ULTIMATE.start_main_~x~4 (* 70 ULTIMATE.start_main_~y~4))), 64499#(<= 18228 (+ ULTIMATE.start_main_~x~4 (* 69 ULTIMATE.start_main_~y~4))), 64500#(<= 18500 (+ ULTIMATE.start_main_~x~4 (* 68 ULTIMATE.start_main_~y~4))), 64501#(<= 18768 (+ ULTIMATE.start_main_~x~4 (* 67 ULTIMATE.start_main_~y~4))), 64502#(<= 19032 (+ ULTIMATE.start_main_~x~4 (* 66 ULTIMATE.start_main_~y~4))), 64503#(<= 19292 (+ ULTIMATE.start_main_~x~4 (* 65 ULTIMATE.start_main_~y~4))), 64504#(<= 19548 (+ ULTIMATE.start_main_~x~4 (* 64 ULTIMATE.start_main_~y~4))), 64505#(<= 19800 (+ ULTIMATE.start_main_~x~4 (* 63 ULTIMATE.start_main_~y~4))), 64506#(<= 20048 (+ ULTIMATE.start_main_~x~4 (* 62 ULTIMATE.start_main_~y~4))), 64507#(<= 20292 (+ ULTIMATE.start_main_~x~4 (* 61 ULTIMATE.start_main_~y~4))), 64508#(<= 20532 (+ ULTIMATE.start_main_~x~4 (* 60 ULTIMATE.start_main_~y~4))), 64509#(<= 20768 (+ ULTIMATE.start_main_~x~4 (* 59 ULTIMATE.start_main_~y~4))), 64510#(<= 21000 (+ ULTIMATE.start_main_~x~4 (* 58 ULTIMATE.start_main_~y~4))), 64511#(<= 21228 (+ ULTIMATE.start_main_~x~4 (* 57 ULTIMATE.start_main_~y~4)))] [2018-07-23 13:44:08,255 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 13:44:08,255 INFO L450 AbstractCegarLoop]: Interpolant automaton has 120 states [2018-07-23 13:44:08,256 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 120 interpolants. [2018-07-23 13:44:08,256 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=237, Invalid=14043, Unknown=0, NotChecked=0, Total=14280 [2018-07-23 13:44:08,257 INFO L87 Difference]: Start difference. First operand 237 states and 237 transitions. Second operand 120 states. [2018-07-23 13:44:10,920 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-07-23 13:44:10,920 INFO L93 Difference]: Finished difference Result 242 states and 242 transitions. [2018-07-23 13:44:10,920 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 120 states. [2018-07-23 13:44:10,920 INFO L78 Accepts]: Start accepts. Automaton has 120 states. Word has length 236 [2018-07-23 13:44:10,920 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-07-23 13:44:10,921 INFO L225 Difference]: With dead ends: 242 [2018-07-23 13:44:10,921 INFO L226 Difference]: Without dead ends: 240 [2018-07-23 13:44:10,921 INFO L575 BasicCegarLoop]: 0 DeclaredPredicates, 119 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 118 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.7s TimeCoverageRelationStatistics Valid=237, Invalid=14043, Unknown=0, NotChecked=0, Total=14280 [2018-07-23 13:44:10,922 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 240 states. [2018-07-23 13:44:11,017 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 240 to 239. [2018-07-23 13:44:11,017 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 239 states. [2018-07-23 13:44:11,018 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 239 states to 239 states and 239 transitions. [2018-07-23 13:44:11,018 INFO L78 Accepts]: Start accepts. Automaton has 239 states and 239 transitions. Word has length 236 [2018-07-23 13:44:11,018 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-07-23 13:44:11,018 INFO L471 AbstractCegarLoop]: Abstraction has 239 states and 239 transitions. [2018-07-23 13:44:11,018 INFO L472 AbstractCegarLoop]: Interpolant automaton has 120 states. [2018-07-23 13:44:11,018 INFO L276 IsEmpty]: Start isEmpty. Operand 239 states and 239 transitions. [2018-07-23 13:44:11,019 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 239 [2018-07-23 13:44:11,019 INFO L349 BasicCegarLoop]: Found error trace [2018-07-23 13:44:11,019 INFO L357 BasicCegarLoop]: trace histogram [118, 117, 1, 1, 1] [2018-07-23 13:44:11,019 INFO L414 AbstractCegarLoop]: === Iteration 118 === [ULTIMATE.startErr0AssertViolationASSERT]=== [2018-07-23 13:44:11,019 INFO L82 PathProgramCache]: Analyzing trace with hash 616954925, now seen corresponding path program 117 times [2018-07-23 13:44:11,020 INFO L69 tionRefinementEngine]: Using refinement strategy FixedRefinementStrategy [2018-07-23 13:44:11,370 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-07-23 13:44:13,001 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 13:44:13,002 INFO L309 seRefinementStrategy]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2018-07-23 13:44:13,002 INFO L324 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [120] total 120 [2018-07-23 13:44:13,002 INFO L142 lantAutomatonBuilder]: Constructing canonical interpolant automaton, with selfloop in false state [2018-07-23 13:44:13,002 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-07-23 13:44:13,002 INFO L185 omatonBuilderFactory]: Interpolants [65537#(<= 2320 (+ ULTIMATE.start_main_~x~4 (* 114 ULTIMATE.start_main_~y~4))), 65536#(<= 1864 (+ ULTIMATE.start_main_~x~4 (* 115 ULTIMATE.start_main_~y~4))), 65539#(<= 3220 (+ ULTIMATE.start_main_~x~4 (* 112 ULTIMATE.start_main_~y~4))), 65538#(<= 2772 (+ ULTIMATE.start_main_~x~4 (* 113 ULTIMATE.start_main_~y~4))), 65541#(<= 4104 (+ ULTIMATE.start_main_~x~4 (* 110 ULTIMATE.start_main_~y~4))), 65540#(<= 3664 (+ ULTIMATE.start_main_~x~4 (* 111 ULTIMATE.start_main_~y~4))), 65543#(<= 4972 (+ ULTIMATE.start_main_~x~4 (* 108 ULTIMATE.start_main_~y~4))), 65542#(<= 4540 (+ ULTIMATE.start_main_~x~4 (* 109 ULTIMATE.start_main_~y~4))), 65545#(<= 5824 (+ ULTIMATE.start_main_~x~4 (* 106 ULTIMATE.start_main_~y~4))), 65544#(<= 5400 (+ ULTIMATE.start_main_~x~4 (* 107 ULTIMATE.start_main_~y~4))), 65547#(<= 6660 (+ ULTIMATE.start_main_~x~4 (* 104 ULTIMATE.start_main_~y~4))), 65546#(<= 6244 (+ ULTIMATE.start_main_~x~4 (* 105 ULTIMATE.start_main_~y~4))), 65549#(<= 7480 (+ ULTIMATE.start_main_~x~4 (* 102 ULTIMATE.start_main_~y~4))), 65548#(<= 7072 (+ ULTIMATE.start_main_~x~4 (* 103 ULTIMATE.start_main_~y~4))), 65551#(<= 8284 (+ ULTIMATE.start_main_~x~4 (* 100 ULTIMATE.start_main_~y~4))), 65550#(<= 7884 (+ ULTIMATE.start_main_~x~4 (* 101 ULTIMATE.start_main_~y~4))), 65553#(<= 9072 (+ ULTIMATE.start_main_~x~4 (* 98 ULTIMATE.start_main_~y~4))), 65552#(<= 8680 (+ ULTIMATE.start_main_~x~4 (* 99 ULTIMATE.start_main_~y~4))), 65555#(<= 9844 (+ ULTIMATE.start_main_~x~4 (* 96 ULTIMATE.start_main_~y~4))), 65554#(<= 9460 (+ ULTIMATE.start_main_~x~4 (* 97 ULTIMATE.start_main_~y~4))), 65557#(<= 10600 (+ ULTIMATE.start_main_~x~4 (* 94 ULTIMATE.start_main_~y~4))), 65556#(<= 10224 (+ ULTIMATE.start_main_~x~4 (* 95 ULTIMATE.start_main_~y~4))), 65559#(<= 11340 (+ ULTIMATE.start_main_~x~4 (* 92 ULTIMATE.start_main_~y~4))), 65558#(<= 10972 (+ ULTIMATE.start_main_~x~4 (* 93 ULTIMATE.start_main_~y~4))), 65561#(<= 12064 (+ ULTIMATE.start_main_~x~4 (* 90 ULTIMATE.start_main_~y~4))), 65560#(<= 11704 (+ ULTIMATE.start_main_~x~4 (* 91 ULTIMATE.start_main_~y~4))), 65563#(<= 12772 (+ ULTIMATE.start_main_~x~4 (* 88 ULTIMATE.start_main_~y~4))), 65562#(<= 12420 (+ ULTIMATE.start_main_~x~4 (* 89 ULTIMATE.start_main_~y~4))), 65565#(<= 13464 (+ ULTIMATE.start_main_~x~4 (* 86 ULTIMATE.start_main_~y~4))), 65564#(<= 13120 (+ ULTIMATE.start_main_~x~4 (* 87 ULTIMATE.start_main_~y~4))), 65567#(<= 14140 (+ ULTIMATE.start_main_~x~4 (* 84 ULTIMATE.start_main_~y~4))), 65566#(<= 13804 (+ ULTIMATE.start_main_~x~4 (* 85 ULTIMATE.start_main_~y~4))), 65569#(<= 14800 (+ ULTIMATE.start_main_~x~4 (* 82 ULTIMATE.start_main_~y~4))), 65568#(<= 14472 (+ ULTIMATE.start_main_~x~4 (* 83 ULTIMATE.start_main_~y~4))), 65571#(<= 15444 (+ ULTIMATE.start_main_~x~4 (* 80 ULTIMATE.start_main_~y~4))), 65570#(<= 15124 (+ ULTIMATE.start_main_~x~4 (* 81 ULTIMATE.start_main_~y~4))), 65573#(<= 16072 (+ ULTIMATE.start_main_~x~4 (* 78 ULTIMATE.start_main_~y~4))), 65572#(<= 15760 (+ ULTIMATE.start_main_~x~4 (* 79 ULTIMATE.start_main_~y~4))), 65575#(<= 16684 (+ ULTIMATE.start_main_~x~4 (* 76 ULTIMATE.start_main_~y~4))), 65574#(<= 16380 (+ ULTIMATE.start_main_~x~4 (* 77 ULTIMATE.start_main_~y~4))), 65577#(<= 17280 (+ ULTIMATE.start_main_~x~4 (* 74 ULTIMATE.start_main_~y~4))), 65576#(<= 16984 (+ ULTIMATE.start_main_~x~4 (* 75 ULTIMATE.start_main_~y~4))), 65579#(<= 17860 (+ ULTIMATE.start_main_~x~4 (* 72 ULTIMATE.start_main_~y~4))), 65578#(<= 17572 (+ ULTIMATE.start_main_~x~4 (* 73 ULTIMATE.start_main_~y~4))), 65581#(<= 18424 (+ ULTIMATE.start_main_~x~4 (* 70 ULTIMATE.start_main_~y~4))), 65580#(<= 18144 (+ ULTIMATE.start_main_~x~4 (* 71 ULTIMATE.start_main_~y~4))), 65583#(<= 18972 (+ ULTIMATE.start_main_~x~4 (* 68 ULTIMATE.start_main_~y~4))), 65582#(<= 18700 (+ ULTIMATE.start_main_~x~4 (* 69 ULTIMATE.start_main_~y~4))), 65585#(<= 19504 (+ ULTIMATE.start_main_~x~4 (* 66 ULTIMATE.start_main_~y~4))), 65584#(<= 19240 (+ ULTIMATE.start_main_~x~4 (* 67 ULTIMATE.start_main_~y~4))), 65587#(<= 20020 (+ ULTIMATE.start_main_~x~4 (* 64 ULTIMATE.start_main_~y~4))), 65586#(<= 19764 (+ ULTIMATE.start_main_~x~4 (* 65 ULTIMATE.start_main_~y~4))), 65589#(<= 20520 (+ ULTIMATE.start_main_~x~4 (* 62 ULTIMATE.start_main_~y~4))), 65588#(<= 20272 (+ ULTIMATE.start_main_~x~4 (* 63 ULTIMATE.start_main_~y~4))), 65591#(<= 21004 (+ ULTIMATE.start_main_~x~4 (* 60 ULTIMATE.start_main_~y~4))), 65590#(<= 20764 (+ ULTIMATE.start_main_~x~4 (* 61 ULTIMATE.start_main_~y~4))), 65593#(<= 21472 (+ ULTIMATE.start_main_~x~4 (* 58 ULTIMATE.start_main_~y~4))), 65592#(<= 21240 (+ ULTIMATE.start_main_~x~4 (* 59 ULTIMATE.start_main_~y~4))), 65595#(<= 21924 (+ ULTIMATE.start_main_~x~4 (* 56 ULTIMATE.start_main_~y~4))), 65594#(<= 21700 (+ ULTIMATE.start_main_~x~4 (* 57 ULTIMATE.start_main_~y~4))), 65597#(<= 22360 (+ ULTIMATE.start_main_~x~4 (* 54 ULTIMATE.start_main_~y~4))), 65596#(<= 22144 (+ ULTIMATE.start_main_~x~4 (* 55 ULTIMATE.start_main_~y~4))), 65599#(<= 22780 (+ ULTIMATE.start_main_~x~4 (* 52 ULTIMATE.start_main_~y~4))), 65598#(<= 22572 (+ ULTIMATE.start_main_~x~4 (* 53 ULTIMATE.start_main_~y~4))), 65601#(<= 23184 (+ ULTIMATE.start_main_~x~4 (* 50 ULTIMATE.start_main_~y~4))), 65600#(<= 22984 (+ ULTIMATE.start_main_~x~4 (* 51 ULTIMATE.start_main_~y~4))), 65603#(<= 23572 (+ ULTIMATE.start_main_~x~4 (* 48 ULTIMATE.start_main_~y~4))), 65602#(<= 23380 (+ ULTIMATE.start_main_~x~4 (* 49 ULTIMATE.start_main_~y~4))), 65605#(<= 23944 (+ ULTIMATE.start_main_~x~4 (* 46 ULTIMATE.start_main_~y~4))), 65604#(<= 23760 (+ ULTIMATE.start_main_~x~4 (* 47 ULTIMATE.start_main_~y~4))), 65607#(<= 24300 (+ ULTIMATE.start_main_~x~4 (* 44 ULTIMATE.start_main_~y~4))), 65606#(<= 24124 (+ ULTIMATE.start_main_~x~4 (* 45 ULTIMATE.start_main_~y~4))), 65609#(<= 24640 (+ ULTIMATE.start_main_~x~4 (* 42 ULTIMATE.start_main_~y~4))), 65608#(<= 24472 (+ ULTIMATE.start_main_~x~4 (* 43 ULTIMATE.start_main_~y~4))), 65611#(<= 24964 (+ ULTIMATE.start_main_~x~4 (* 40 ULTIMATE.start_main_~y~4))), 65610#(<= 24804 (+ ULTIMATE.start_main_~x~4 (* 41 ULTIMATE.start_main_~y~4))), 65613#(<= 25272 (+ ULTIMATE.start_main_~x~4 (* 38 ULTIMATE.start_main_~y~4))), 65612#(<= 25120 (+ ULTIMATE.start_main_~x~4 (* 39 ULTIMATE.start_main_~y~4))), 65615#(<= 25564 (+ ULTIMATE.start_main_~x~4 (* 36 ULTIMATE.start_main_~y~4))), 65614#(<= 25420 (+ ULTIMATE.start_main_~x~4 (* 37 ULTIMATE.start_main_~y~4))), 65617#(<= 25840 (+ ULTIMATE.start_main_~x~4 (* 34 ULTIMATE.start_main_~y~4))), 65616#(<= 25704 (+ ULTIMATE.start_main_~x~4 (* 35 ULTIMATE.start_main_~y~4))), 65619#(<= 26100 (+ ULTIMATE.start_main_~x~4 (* 32 ULTIMATE.start_main_~y~4))), 65618#(<= 25972 (+ ULTIMATE.start_main_~x~4 (* 33 ULTIMATE.start_main_~y~4))), 65621#(<= 26344 (+ ULTIMATE.start_main_~x~4 (* 30 ULTIMATE.start_main_~y~4))), 65620#(<= 26224 (+ ULTIMATE.start_main_~x~4 (* 31 ULTIMATE.start_main_~y~4))), 65623#(<= 26572 (+ ULTIMATE.start_main_~x~4 (* 28 ULTIMATE.start_main_~y~4))), 65622#(<= 26460 (+ ULTIMATE.start_main_~x~4 (* 29 ULTIMATE.start_main_~y~4))), 65625#(<= 26784 (+ ULTIMATE.start_main_~x~4 (* 26 ULTIMATE.start_main_~y~4))), 65624#(<= 26680 (+ ULTIMATE.start_main_~x~4 (* 27 ULTIMATE.start_main_~y~4))), 65627#(<= 26980 (+ ULTIMATE.start_main_~x~4 (* 24 ULTIMATE.start_main_~y~4))), 65626#(<= 26884 (+ ULTIMATE.start_main_~x~4 (* 25 ULTIMATE.start_main_~y~4))), 65629#(<= 27160 (+ ULTIMATE.start_main_~x~4 (* 22 ULTIMATE.start_main_~y~4))), 65628#(<= 27072 (+ ULTIMATE.start_main_~x~4 (* 23 ULTIMATE.start_main_~y~4))), 65631#(<= 27324 (+ ULTIMATE.start_main_~x~4 (* 20 ULTIMATE.start_main_~y~4))), 65630#(<= 27244 (+ ULTIMATE.start_main_~x~4 (* 21 ULTIMATE.start_main_~y~4))), 65633#(<= 27472 (+ ULTIMATE.start_main_~x~4 (* 18 ULTIMATE.start_main_~y~4))), 65632#(<= 27400 (+ ULTIMATE.start_main_~x~4 (* 19 ULTIMATE.start_main_~y~4))), 65635#(<= 27604 (+ ULTIMATE.start_main_~x~4 (* 16 ULTIMATE.start_main_~y~4))), 65634#(<= 27540 (+ ULTIMATE.start_main_~x~4 (* 17 ULTIMATE.start_main_~y~4))), 65637#(<= 27720 (+ ULTIMATE.start_main_~x~4 (* 14 ULTIMATE.start_main_~y~4))), 65636#(<= 27664 (+ ULTIMATE.start_main_~x~4 (* 15 ULTIMATE.start_main_~y~4))), 65639#(<= 27820 (+ ULTIMATE.start_main_~x~4 (* 12 ULTIMATE.start_main_~y~4))), 65638#(<= 27772 (+ ULTIMATE.start_main_~x~4 (* 13 ULTIMATE.start_main_~y~4))), 65641#(<= 27904 (+ ULTIMATE.start_main_~x~4 (* 10 ULTIMATE.start_main_~y~4))), 65640#(<= 27864 (+ ULTIMATE.start_main_~x~4 (* 11 ULTIMATE.start_main_~y~4))), 65643#(<= 27972 (+ ULTIMATE.start_main_~x~4 (* 8 ULTIMATE.start_main_~y~4))), 65642#(<= 27940 (+ ULTIMATE.start_main_~x~4 (* 9 ULTIMATE.start_main_~y~4))), 65645#(<= 28024 (+ ULTIMATE.start_main_~x~4 (* 6 ULTIMATE.start_main_~y~4))), 65644#(<= 28000 (+ ULTIMATE.start_main_~x~4 (* 7 ULTIMATE.start_main_~y~4))), 65647#(<= 28060 (+ ULTIMATE.start_main_~x~4 (* 4 ULTIMATE.start_main_~y~4))), 65646#(<= 28044 (+ ULTIMATE.start_main_~x~4 (* 5 ULTIMATE.start_main_~y~4))), 65649#(<= 28080 (+ ULTIMATE.start_main_~x~4 (* 2 ULTIMATE.start_main_~y~4))), 65648#(<= 28072 (+ ULTIMATE.start_main_~x~4 (* 3 ULTIMATE.start_main_~y~4))), 65651#(<= 1 ULTIMATE.start___VERIFIER_assert_~cond), 65650#(<= 28084 (+ ULTIMATE.start_main_~x~4 ULTIMATE.start_main_~y~4)), 65531#true, 65532#false, 65533#(<= 472 (+ ULTIMATE.start_main_~x~4 (* 118 ULTIMATE.start_main_~y~4))), 65534#(<= 940 (+ ULTIMATE.start_main_~x~4 (* 117 ULTIMATE.start_main_~y~4))), 65535#(<= 1404 (+ ULTIMATE.start_main_~x~4 (* 116 ULTIMATE.start_main_~y~4)))] [2018-07-23 13:44:13,003 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 13:44:13,003 INFO L450 AbstractCegarLoop]: Interpolant automaton has 121 states [2018-07-23 13:44:13,004 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 121 interpolants. [2018-07-23 13:44:13,004 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=239, Invalid=14281, Unknown=0, NotChecked=0, Total=14520 [2018-07-23 13:44:13,004 INFO L87 Difference]: Start difference. First operand 239 states and 239 transitions. Second operand 121 states. [2018-07-23 13:44:15,514 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-07-23 13:44:15,514 INFO L93 Difference]: Finished difference Result 244 states and 244 transitions. [2018-07-23 13:44:15,514 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 121 states. [2018-07-23 13:44:15,514 INFO L78 Accepts]: Start accepts. Automaton has 121 states. Word has length 238 [2018-07-23 13:44:15,515 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-07-23 13:44:15,515 INFO L225 Difference]: With dead ends: 244 [2018-07-23 13:44:15,515 INFO L226 Difference]: Without dead ends: 242 [2018-07-23 13:44:15,516 INFO L575 BasicCegarLoop]: 0 DeclaredPredicates, 120 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 119 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.7s TimeCoverageRelationStatistics Valid=239, Invalid=14281, Unknown=0, NotChecked=0, Total=14520 [2018-07-23 13:44:15,516 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 242 states. [2018-07-23 13:44:15,615 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 242 to 241. [2018-07-23 13:44:15,615 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 241 states. [2018-07-23 13:44:15,615 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 241 states to 241 states and 241 transitions. [2018-07-23 13:44:15,616 INFO L78 Accepts]: Start accepts. Automaton has 241 states and 241 transitions. Word has length 238 [2018-07-23 13:44:15,616 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-07-23 13:44:15,616 INFO L471 AbstractCegarLoop]: Abstraction has 241 states and 241 transitions. [2018-07-23 13:44:15,616 INFO L472 AbstractCegarLoop]: Interpolant automaton has 121 states. [2018-07-23 13:44:15,616 INFO L276 IsEmpty]: Start isEmpty. Operand 241 states and 241 transitions. [2018-07-23 13:44:15,617 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 241 [2018-07-23 13:44:15,617 INFO L349 BasicCegarLoop]: Found error trace [2018-07-23 13:44:15,617 INFO L357 BasicCegarLoop]: trace histogram [119, 118, 1, 1, 1] [2018-07-23 13:44:15,617 INFO L414 AbstractCegarLoop]: === Iteration 119 === [ULTIMATE.startErr0AssertViolationASSERT]=== [2018-07-23 13:44:15,617 INFO L82 PathProgramCache]: Analyzing trace with hash 188142775, now seen corresponding path program 118 times [2018-07-23 13:44:15,617 INFO L69 tionRefinementEngine]: Using refinement strategy FixedRefinementStrategy [2018-07-23 13:44:15,978 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-07-23 13:44:17,628 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 13:44:17,628 INFO L309 seRefinementStrategy]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2018-07-23 13:44:17,628 INFO L324 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [121] total 121 [2018-07-23 13:44:17,629 INFO L142 lantAutomatonBuilder]: Constructing canonical interpolant automaton, with selfloop in false state [2018-07-23 13:44:17,629 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-07-23 13:44:17,629 INFO L185 omatonBuilderFactory]: Interpolants [66623#false, 66622#true, 66625#(<= 948 (+ ULTIMATE.start_main_~x~4 (* 118 ULTIMATE.start_main_~y~4))), 66624#(<= 476 (+ ULTIMATE.start_main_~x~4 (* 119 ULTIMATE.start_main_~y~4))), 66627#(<= 1880 (+ ULTIMATE.start_main_~x~4 (* 116 ULTIMATE.start_main_~y~4))), 66626#(<= 1416 (+ ULTIMATE.start_main_~x~4 (* 117 ULTIMATE.start_main_~y~4))), 66629#(<= 2796 (+ ULTIMATE.start_main_~x~4 (* 114 ULTIMATE.start_main_~y~4))), 66628#(<= 2340 (+ ULTIMATE.start_main_~x~4 (* 115 ULTIMATE.start_main_~y~4))), 66631#(<= 3696 (+ ULTIMATE.start_main_~x~4 (* 112 ULTIMATE.start_main_~y~4))), 66630#(<= 3248 (+ ULTIMATE.start_main_~x~4 (* 113 ULTIMATE.start_main_~y~4))), 66633#(<= 4580 (+ ULTIMATE.start_main_~x~4 (* 110 ULTIMATE.start_main_~y~4))), 66632#(<= 4140 (+ ULTIMATE.start_main_~x~4 (* 111 ULTIMATE.start_main_~y~4))), 66635#(<= 5448 (+ ULTIMATE.start_main_~x~4 (* 108 ULTIMATE.start_main_~y~4))), 66634#(<= 5016 (+ ULTIMATE.start_main_~x~4 (* 109 ULTIMATE.start_main_~y~4))), 66637#(<= 6300 (+ ULTIMATE.start_main_~x~4 (* 106 ULTIMATE.start_main_~y~4))), 66636#(<= 5876 (+ ULTIMATE.start_main_~x~4 (* 107 ULTIMATE.start_main_~y~4))), 66639#(<= 7136 (+ ULTIMATE.start_main_~x~4 (* 104 ULTIMATE.start_main_~y~4))), 66638#(<= 6720 (+ ULTIMATE.start_main_~x~4 (* 105 ULTIMATE.start_main_~y~4))), 66641#(<= 7956 (+ ULTIMATE.start_main_~x~4 (* 102 ULTIMATE.start_main_~y~4))), 66640#(<= 7548 (+ ULTIMATE.start_main_~x~4 (* 103 ULTIMATE.start_main_~y~4))), 66643#(<= 8760 (+ ULTIMATE.start_main_~x~4 (* 100 ULTIMATE.start_main_~y~4))), 66642#(<= 8360 (+ ULTIMATE.start_main_~x~4 (* 101 ULTIMATE.start_main_~y~4))), 66645#(<= 9548 (+ ULTIMATE.start_main_~x~4 (* 98 ULTIMATE.start_main_~y~4))), 66644#(<= 9156 (+ ULTIMATE.start_main_~x~4 (* 99 ULTIMATE.start_main_~y~4))), 66647#(<= 10320 (+ ULTIMATE.start_main_~x~4 (* 96 ULTIMATE.start_main_~y~4))), 66646#(<= 9936 (+ ULTIMATE.start_main_~x~4 (* 97 ULTIMATE.start_main_~y~4))), 66649#(<= 11076 (+ ULTIMATE.start_main_~x~4 (* 94 ULTIMATE.start_main_~y~4))), 66648#(<= 10700 (+ ULTIMATE.start_main_~x~4 (* 95 ULTIMATE.start_main_~y~4))), 66651#(<= 11816 (+ ULTIMATE.start_main_~x~4 (* 92 ULTIMATE.start_main_~y~4))), 66650#(<= 11448 (+ ULTIMATE.start_main_~x~4 (* 93 ULTIMATE.start_main_~y~4))), 66653#(<= 12540 (+ ULTIMATE.start_main_~x~4 (* 90 ULTIMATE.start_main_~y~4))), 66652#(<= 12180 (+ ULTIMATE.start_main_~x~4 (* 91 ULTIMATE.start_main_~y~4))), 66655#(<= 13248 (+ ULTIMATE.start_main_~x~4 (* 88 ULTIMATE.start_main_~y~4))), 66654#(<= 12896 (+ ULTIMATE.start_main_~x~4 (* 89 ULTIMATE.start_main_~y~4))), 66657#(<= 13940 (+ ULTIMATE.start_main_~x~4 (* 86 ULTIMATE.start_main_~y~4))), 66656#(<= 13596 (+ ULTIMATE.start_main_~x~4 (* 87 ULTIMATE.start_main_~y~4))), 66659#(<= 14616 (+ ULTIMATE.start_main_~x~4 (* 84 ULTIMATE.start_main_~y~4))), 66658#(<= 14280 (+ ULTIMATE.start_main_~x~4 (* 85 ULTIMATE.start_main_~y~4))), 66661#(<= 15276 (+ ULTIMATE.start_main_~x~4 (* 82 ULTIMATE.start_main_~y~4))), 66660#(<= 14948 (+ ULTIMATE.start_main_~x~4 (* 83 ULTIMATE.start_main_~y~4))), 66663#(<= 15920 (+ ULTIMATE.start_main_~x~4 (* 80 ULTIMATE.start_main_~y~4))), 66662#(<= 15600 (+ ULTIMATE.start_main_~x~4 (* 81 ULTIMATE.start_main_~y~4))), 66665#(<= 16548 (+ ULTIMATE.start_main_~x~4 (* 78 ULTIMATE.start_main_~y~4))), 66664#(<= 16236 (+ ULTIMATE.start_main_~x~4 (* 79 ULTIMATE.start_main_~y~4))), 66667#(<= 17160 (+ ULTIMATE.start_main_~x~4 (* 76 ULTIMATE.start_main_~y~4))), 66666#(<= 16856 (+ ULTIMATE.start_main_~x~4 (* 77 ULTIMATE.start_main_~y~4))), 66669#(<= 17756 (+ ULTIMATE.start_main_~x~4 (* 74 ULTIMATE.start_main_~y~4))), 66668#(<= 17460 (+ ULTIMATE.start_main_~x~4 (* 75 ULTIMATE.start_main_~y~4))), 66671#(<= 18336 (+ ULTIMATE.start_main_~x~4 (* 72 ULTIMATE.start_main_~y~4))), 66670#(<= 18048 (+ ULTIMATE.start_main_~x~4 (* 73 ULTIMATE.start_main_~y~4))), 66673#(<= 18900 (+ ULTIMATE.start_main_~x~4 (* 70 ULTIMATE.start_main_~y~4))), 66672#(<= 18620 (+ ULTIMATE.start_main_~x~4 (* 71 ULTIMATE.start_main_~y~4))), 66675#(<= 19448 (+ ULTIMATE.start_main_~x~4 (* 68 ULTIMATE.start_main_~y~4))), 66674#(<= 19176 (+ ULTIMATE.start_main_~x~4 (* 69 ULTIMATE.start_main_~y~4))), 66677#(<= 19980 (+ ULTIMATE.start_main_~x~4 (* 66 ULTIMATE.start_main_~y~4))), 66676#(<= 19716 (+ ULTIMATE.start_main_~x~4 (* 67 ULTIMATE.start_main_~y~4))), 66679#(<= 20496 (+ ULTIMATE.start_main_~x~4 (* 64 ULTIMATE.start_main_~y~4))), 66678#(<= 20240 (+ ULTIMATE.start_main_~x~4 (* 65 ULTIMATE.start_main_~y~4))), 66681#(<= 20996 (+ ULTIMATE.start_main_~x~4 (* 62 ULTIMATE.start_main_~y~4))), 66680#(<= 20748 (+ ULTIMATE.start_main_~x~4 (* 63 ULTIMATE.start_main_~y~4))), 66683#(<= 21480 (+ ULTIMATE.start_main_~x~4 (* 60 ULTIMATE.start_main_~y~4))), 66682#(<= 21240 (+ ULTIMATE.start_main_~x~4 (* 61 ULTIMATE.start_main_~y~4))), 66685#(<= 21948 (+ ULTIMATE.start_main_~x~4 (* 58 ULTIMATE.start_main_~y~4))), 66684#(<= 21716 (+ ULTIMATE.start_main_~x~4 (* 59 ULTIMATE.start_main_~y~4))), 66687#(<= 22400 (+ ULTIMATE.start_main_~x~4 (* 56 ULTIMATE.start_main_~y~4))), 66686#(<= 22176 (+ ULTIMATE.start_main_~x~4 (* 57 ULTIMATE.start_main_~y~4))), 66689#(<= 22836 (+ ULTIMATE.start_main_~x~4 (* 54 ULTIMATE.start_main_~y~4))), 66688#(<= 22620 (+ ULTIMATE.start_main_~x~4 (* 55 ULTIMATE.start_main_~y~4))), 66691#(<= 23256 (+ ULTIMATE.start_main_~x~4 (* 52 ULTIMATE.start_main_~y~4))), 66690#(<= 23048 (+ ULTIMATE.start_main_~x~4 (* 53 ULTIMATE.start_main_~y~4))), 66693#(<= 23660 (+ ULTIMATE.start_main_~x~4 (* 50 ULTIMATE.start_main_~y~4))), 66692#(<= 23460 (+ ULTIMATE.start_main_~x~4 (* 51 ULTIMATE.start_main_~y~4))), 66695#(<= 24048 (+ ULTIMATE.start_main_~x~4 (* 48 ULTIMATE.start_main_~y~4))), 66694#(<= 23856 (+ ULTIMATE.start_main_~x~4 (* 49 ULTIMATE.start_main_~y~4))), 66697#(<= 24420 (+ ULTIMATE.start_main_~x~4 (* 46 ULTIMATE.start_main_~y~4))), 66696#(<= 24236 (+ ULTIMATE.start_main_~x~4 (* 47 ULTIMATE.start_main_~y~4))), 66699#(<= 24776 (+ ULTIMATE.start_main_~x~4 (* 44 ULTIMATE.start_main_~y~4))), 66698#(<= 24600 (+ ULTIMATE.start_main_~x~4 (* 45 ULTIMATE.start_main_~y~4))), 66701#(<= 25116 (+ ULTIMATE.start_main_~x~4 (* 42 ULTIMATE.start_main_~y~4))), 66700#(<= 24948 (+ ULTIMATE.start_main_~x~4 (* 43 ULTIMATE.start_main_~y~4))), 66703#(<= 25440 (+ ULTIMATE.start_main_~x~4 (* 40 ULTIMATE.start_main_~y~4))), 66702#(<= 25280 (+ ULTIMATE.start_main_~x~4 (* 41 ULTIMATE.start_main_~y~4))), 66705#(<= 25748 (+ ULTIMATE.start_main_~x~4 (* 38 ULTIMATE.start_main_~y~4))), 66704#(<= 25596 (+ ULTIMATE.start_main_~x~4 (* 39 ULTIMATE.start_main_~y~4))), 66707#(<= 26040 (+ ULTIMATE.start_main_~x~4 (* 36 ULTIMATE.start_main_~y~4))), 66706#(<= 25896 (+ ULTIMATE.start_main_~x~4 (* 37 ULTIMATE.start_main_~y~4))), 66709#(<= 26316 (+ ULTIMATE.start_main_~x~4 (* 34 ULTIMATE.start_main_~y~4))), 66708#(<= 26180 (+ ULTIMATE.start_main_~x~4 (* 35 ULTIMATE.start_main_~y~4))), 66711#(<= 26576 (+ ULTIMATE.start_main_~x~4 (* 32 ULTIMATE.start_main_~y~4))), 66710#(<= 26448 (+ ULTIMATE.start_main_~x~4 (* 33 ULTIMATE.start_main_~y~4))), 66713#(<= 26820 (+ ULTIMATE.start_main_~x~4 (* 30 ULTIMATE.start_main_~y~4))), 66712#(<= 26700 (+ ULTIMATE.start_main_~x~4 (* 31 ULTIMATE.start_main_~y~4))), 66715#(<= 27048 (+ ULTIMATE.start_main_~x~4 (* 28 ULTIMATE.start_main_~y~4))), 66714#(<= 26936 (+ ULTIMATE.start_main_~x~4 (* 29 ULTIMATE.start_main_~y~4))), 66717#(<= 27260 (+ ULTIMATE.start_main_~x~4 (* 26 ULTIMATE.start_main_~y~4))), 66716#(<= 27156 (+ ULTIMATE.start_main_~x~4 (* 27 ULTIMATE.start_main_~y~4))), 66719#(<= 27456 (+ ULTIMATE.start_main_~x~4 (* 24 ULTIMATE.start_main_~y~4))), 66718#(<= 27360 (+ ULTIMATE.start_main_~x~4 (* 25 ULTIMATE.start_main_~y~4))), 66721#(<= 27636 (+ ULTIMATE.start_main_~x~4 (* 22 ULTIMATE.start_main_~y~4))), 66720#(<= 27548 (+ ULTIMATE.start_main_~x~4 (* 23 ULTIMATE.start_main_~y~4))), 66723#(<= 27800 (+ ULTIMATE.start_main_~x~4 (* 20 ULTIMATE.start_main_~y~4))), 66722#(<= 27720 (+ ULTIMATE.start_main_~x~4 (* 21 ULTIMATE.start_main_~y~4))), 66725#(<= 27948 (+ ULTIMATE.start_main_~x~4 (* 18 ULTIMATE.start_main_~y~4))), 66724#(<= 27876 (+ ULTIMATE.start_main_~x~4 (* 19 ULTIMATE.start_main_~y~4))), 66727#(<= 28080 (+ ULTIMATE.start_main_~x~4 (* 16 ULTIMATE.start_main_~y~4))), 66726#(<= 28016 (+ ULTIMATE.start_main_~x~4 (* 17 ULTIMATE.start_main_~y~4))), 66729#(<= 28196 (+ ULTIMATE.start_main_~x~4 (* 14 ULTIMATE.start_main_~y~4))), 66728#(<= 28140 (+ ULTIMATE.start_main_~x~4 (* 15 ULTIMATE.start_main_~y~4))), 66731#(<= 28296 (+ ULTIMATE.start_main_~x~4 (* 12 ULTIMATE.start_main_~y~4))), 66730#(<= 28248 (+ ULTIMATE.start_main_~x~4 (* 13 ULTIMATE.start_main_~y~4))), 66733#(<= 28380 (+ ULTIMATE.start_main_~x~4 (* 10 ULTIMATE.start_main_~y~4))), 66732#(<= 28340 (+ ULTIMATE.start_main_~x~4 (* 11 ULTIMATE.start_main_~y~4))), 66735#(<= 28448 (+ ULTIMATE.start_main_~x~4 (* 8 ULTIMATE.start_main_~y~4))), 66734#(<= 28416 (+ ULTIMATE.start_main_~x~4 (* 9 ULTIMATE.start_main_~y~4))), 66737#(<= 28500 (+ ULTIMATE.start_main_~x~4 (* 6 ULTIMATE.start_main_~y~4))), 66736#(<= 28476 (+ ULTIMATE.start_main_~x~4 (* 7 ULTIMATE.start_main_~y~4))), 66739#(<= 28536 (+ ULTIMATE.start_main_~x~4 (* 4 ULTIMATE.start_main_~y~4))), 66738#(<= 28520 (+ ULTIMATE.start_main_~x~4 (* 5 ULTIMATE.start_main_~y~4))), 66741#(<= 28556 (+ ULTIMATE.start_main_~x~4 (* 2 ULTIMATE.start_main_~y~4))), 66740#(<= 28548 (+ ULTIMATE.start_main_~x~4 (* 3 ULTIMATE.start_main_~y~4))), 66743#(<= 1 ULTIMATE.start___VERIFIER_assert_~cond), 66742#(<= 28560 (+ ULTIMATE.start_main_~x~4 ULTIMATE.start_main_~y~4))] [2018-07-23 13:44:17,630 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 13:44:17,630 INFO L450 AbstractCegarLoop]: Interpolant automaton has 122 states [2018-07-23 13:44:17,630 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 122 interpolants. [2018-07-23 13:44:17,631 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=241, Invalid=14521, Unknown=0, NotChecked=0, Total=14762 [2018-07-23 13:44:17,631 INFO L87 Difference]: Start difference. First operand 241 states and 241 transitions. Second operand 122 states. [2018-07-23 13:44:20,016 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-07-23 13:44:20,016 INFO L93 Difference]: Finished difference Result 246 states and 246 transitions. [2018-07-23 13:44:20,016 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 122 states. [2018-07-23 13:44:20,016 INFO L78 Accepts]: Start accepts. Automaton has 122 states. Word has length 240 [2018-07-23 13:44:20,016 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-07-23 13:44:20,017 INFO L225 Difference]: With dead ends: 246 [2018-07-23 13:44:20,017 INFO L226 Difference]: Without dead ends: 244 [2018-07-23 13:44:20,018 INFO L575 BasicCegarLoop]: 0 DeclaredPredicates, 121 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 120 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.7s TimeCoverageRelationStatistics Valid=241, Invalid=14521, Unknown=0, NotChecked=0, Total=14762 [2018-07-23 13:44:20,018 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 244 states. [2018-07-23 13:44:20,118 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 244 to 243. [2018-07-23 13:44:20,118 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 243 states. [2018-07-23 13:44:20,119 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 243 states to 243 states and 243 transitions. [2018-07-23 13:44:20,119 INFO L78 Accepts]: Start accepts. Automaton has 243 states and 243 transitions. Word has length 240 [2018-07-23 13:44:20,119 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-07-23 13:44:20,119 INFO L471 AbstractCegarLoop]: Abstraction has 243 states and 243 transitions. [2018-07-23 13:44:20,119 INFO L472 AbstractCegarLoop]: Interpolant automaton has 122 states. [2018-07-23 13:44:20,119 INFO L276 IsEmpty]: Start isEmpty. Operand 243 states and 243 transitions. [2018-07-23 13:44:20,120 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 243 [2018-07-23 13:44:20,120 INFO L349 BasicCegarLoop]: Found error trace [2018-07-23 13:44:20,120 INFO L357 BasicCegarLoop]: trace histogram [120, 119, 1, 1, 1] [2018-07-23 13:44:20,120 INFO L414 AbstractCegarLoop]: === Iteration 120 === [ULTIMATE.startErr0AssertViolationASSERT]=== [2018-07-23 13:44:20,120 INFO L82 PathProgramCache]: Analyzing trace with hash 416527041, now seen corresponding path program 119 times [2018-07-23 13:44:20,121 INFO L69 tionRefinementEngine]: Using refinement strategy FixedRefinementStrategy [2018-07-23 13:44:20,482 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-07-23 13:44:22,090 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 13:44:22,090 INFO L309 seRefinementStrategy]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2018-07-23 13:44:22,090 INFO L324 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [122] total 122 [2018-07-23 13:44:22,090 INFO L142 lantAutomatonBuilder]: Constructing canonical interpolant automaton, with selfloop in false state [2018-07-23 13:44:22,091 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-07-23 13:44:22,091 INFO L185 omatonBuilderFactory]: Interpolants [67841#(<= 29028 (+ ULTIMATE.start_main_~x~4 (* 3 ULTIMATE.start_main_~y~4))), 67840#(<= 29016 (+ ULTIMATE.start_main_~x~4 (* 4 ULTIMATE.start_main_~y~4))), 67843#(<= 29040 (+ ULTIMATE.start_main_~x~4 ULTIMATE.start_main_~y~4)), 67842#(<= 29036 (+ ULTIMATE.start_main_~x~4 (* 2 ULTIMATE.start_main_~y~4))), 67844#(<= 1 ULTIMATE.start___VERIFIER_assert_~cond), 67723#false, 67722#true, 67725#(<= 956 (+ ULTIMATE.start_main_~x~4 (* 119 ULTIMATE.start_main_~y~4))), 67724#(<= 480 (+ ULTIMATE.start_main_~x~4 (* 120 ULTIMATE.start_main_~y~4))), 67727#(<= 1896 (+ ULTIMATE.start_main_~x~4 (* 117 ULTIMATE.start_main_~y~4))), 67726#(<= 1428 (+ ULTIMATE.start_main_~x~4 (* 118 ULTIMATE.start_main_~y~4))), 67729#(<= 2820 (+ ULTIMATE.start_main_~x~4 (* 115 ULTIMATE.start_main_~y~4))), 67728#(<= 2360 (+ ULTIMATE.start_main_~x~4 (* 116 ULTIMATE.start_main_~y~4))), 67731#(<= 3728 (+ ULTIMATE.start_main_~x~4 (* 113 ULTIMATE.start_main_~y~4))), 67730#(<= 3276 (+ ULTIMATE.start_main_~x~4 (* 114 ULTIMATE.start_main_~y~4))), 67733#(<= 4620 (+ ULTIMATE.start_main_~x~4 (* 111 ULTIMATE.start_main_~y~4))), 67732#(<= 4176 (+ ULTIMATE.start_main_~x~4 (* 112 ULTIMATE.start_main_~y~4))), 67735#(<= 5496 (+ ULTIMATE.start_main_~x~4 (* 109 ULTIMATE.start_main_~y~4))), 67734#(<= 5060 (+ ULTIMATE.start_main_~x~4 (* 110 ULTIMATE.start_main_~y~4))), 67737#(<= 6356 (+ ULTIMATE.start_main_~x~4 (* 107 ULTIMATE.start_main_~y~4))), 67736#(<= 5928 (+ ULTIMATE.start_main_~x~4 (* 108 ULTIMATE.start_main_~y~4))), 67739#(<= 7200 (+ ULTIMATE.start_main_~x~4 (* 105 ULTIMATE.start_main_~y~4))), 67738#(<= 6780 (+ ULTIMATE.start_main_~x~4 (* 106 ULTIMATE.start_main_~y~4))), 67741#(<= 8028 (+ ULTIMATE.start_main_~x~4 (* 103 ULTIMATE.start_main_~y~4))), 67740#(<= 7616 (+ ULTIMATE.start_main_~x~4 (* 104 ULTIMATE.start_main_~y~4))), 67743#(<= 8840 (+ ULTIMATE.start_main_~x~4 (* 101 ULTIMATE.start_main_~y~4))), 67742#(<= 8436 (+ ULTIMATE.start_main_~x~4 (* 102 ULTIMATE.start_main_~y~4))), 67745#(<= 9636 (+ ULTIMATE.start_main_~x~4 (* 99 ULTIMATE.start_main_~y~4))), 67744#(<= 9240 (+ ULTIMATE.start_main_~x~4 (* 100 ULTIMATE.start_main_~y~4))), 67747#(<= 10416 (+ ULTIMATE.start_main_~x~4 (* 97 ULTIMATE.start_main_~y~4))), 67746#(<= 10028 (+ ULTIMATE.start_main_~x~4 (* 98 ULTIMATE.start_main_~y~4))), 67749#(<= 11180 (+ ULTIMATE.start_main_~x~4 (* 95 ULTIMATE.start_main_~y~4))), 67748#(<= 10800 (+ ULTIMATE.start_main_~x~4 (* 96 ULTIMATE.start_main_~y~4))), 67751#(<= 11928 (+ ULTIMATE.start_main_~x~4 (* 93 ULTIMATE.start_main_~y~4))), 67750#(<= 11556 (+ ULTIMATE.start_main_~x~4 (* 94 ULTIMATE.start_main_~y~4))), 67753#(<= 12660 (+ ULTIMATE.start_main_~x~4 (* 91 ULTIMATE.start_main_~y~4))), 67752#(<= 12296 (+ ULTIMATE.start_main_~x~4 (* 92 ULTIMATE.start_main_~y~4))), 67755#(<= 13376 (+ ULTIMATE.start_main_~x~4 (* 89 ULTIMATE.start_main_~y~4))), 67754#(<= 13020 (+ ULTIMATE.start_main_~x~4 (* 90 ULTIMATE.start_main_~y~4))), 67757#(<= 14076 (+ ULTIMATE.start_main_~x~4 (* 87 ULTIMATE.start_main_~y~4))), 67756#(<= 13728 (+ ULTIMATE.start_main_~x~4 (* 88 ULTIMATE.start_main_~y~4))), 67759#(<= 14760 (+ ULTIMATE.start_main_~x~4 (* 85 ULTIMATE.start_main_~y~4))), 67758#(<= 14420 (+ ULTIMATE.start_main_~x~4 (* 86 ULTIMATE.start_main_~y~4))), 67761#(<= 15428 (+ ULTIMATE.start_main_~x~4 (* 83 ULTIMATE.start_main_~y~4))), 67760#(<= 15096 (+ ULTIMATE.start_main_~x~4 (* 84 ULTIMATE.start_main_~y~4))), 67763#(<= 16080 (+ ULTIMATE.start_main_~x~4 (* 81 ULTIMATE.start_main_~y~4))), 67762#(<= 15756 (+ ULTIMATE.start_main_~x~4 (* 82 ULTIMATE.start_main_~y~4))), 67765#(<= 16716 (+ ULTIMATE.start_main_~x~4 (* 79 ULTIMATE.start_main_~y~4))), 67764#(<= 16400 (+ ULTIMATE.start_main_~x~4 (* 80 ULTIMATE.start_main_~y~4))), 67767#(<= 17336 (+ ULTIMATE.start_main_~x~4 (* 77 ULTIMATE.start_main_~y~4))), 67766#(<= 17028 (+ ULTIMATE.start_main_~x~4 (* 78 ULTIMATE.start_main_~y~4))), 67769#(<= 17940 (+ ULTIMATE.start_main_~x~4 (* 75 ULTIMATE.start_main_~y~4))), 67768#(<= 17640 (+ ULTIMATE.start_main_~x~4 (* 76 ULTIMATE.start_main_~y~4))), 67771#(<= 18528 (+ ULTIMATE.start_main_~x~4 (* 73 ULTIMATE.start_main_~y~4))), 67770#(<= 18236 (+ ULTIMATE.start_main_~x~4 (* 74 ULTIMATE.start_main_~y~4))), 67773#(<= 19100 (+ ULTIMATE.start_main_~x~4 (* 71 ULTIMATE.start_main_~y~4))), 67772#(<= 18816 (+ ULTIMATE.start_main_~x~4 (* 72 ULTIMATE.start_main_~y~4))), 67775#(<= 19656 (+ ULTIMATE.start_main_~x~4 (* 69 ULTIMATE.start_main_~y~4))), 67774#(<= 19380 (+ ULTIMATE.start_main_~x~4 (* 70 ULTIMATE.start_main_~y~4))), 67777#(<= 20196 (+ ULTIMATE.start_main_~x~4 (* 67 ULTIMATE.start_main_~y~4))), 67776#(<= 19928 (+ ULTIMATE.start_main_~x~4 (* 68 ULTIMATE.start_main_~y~4))), 67779#(<= 20720 (+ ULTIMATE.start_main_~x~4 (* 65 ULTIMATE.start_main_~y~4))), 67778#(<= 20460 (+ ULTIMATE.start_main_~x~4 (* 66 ULTIMATE.start_main_~y~4))), 67781#(<= 21228 (+ ULTIMATE.start_main_~x~4 (* 63 ULTIMATE.start_main_~y~4))), 67780#(<= 20976 (+ ULTIMATE.start_main_~x~4 (* 64 ULTIMATE.start_main_~y~4))), 67783#(<= 21720 (+ ULTIMATE.start_main_~x~4 (* 61 ULTIMATE.start_main_~y~4))), 67782#(<= 21476 (+ ULTIMATE.start_main_~x~4 (* 62 ULTIMATE.start_main_~y~4))), 67785#(<= 22196 (+ ULTIMATE.start_main_~x~4 (* 59 ULTIMATE.start_main_~y~4))), 67784#(<= 21960 (+ ULTIMATE.start_main_~x~4 (* 60 ULTIMATE.start_main_~y~4))), 67787#(<= 22656 (+ ULTIMATE.start_main_~x~4 (* 57 ULTIMATE.start_main_~y~4))), 67786#(<= 22428 (+ ULTIMATE.start_main_~x~4 (* 58 ULTIMATE.start_main_~y~4))), 67789#(<= 23100 (+ ULTIMATE.start_main_~x~4 (* 55 ULTIMATE.start_main_~y~4))), 67788#(<= 22880 (+ ULTIMATE.start_main_~x~4 (* 56 ULTIMATE.start_main_~y~4))), 67791#(<= 23528 (+ ULTIMATE.start_main_~x~4 (* 53 ULTIMATE.start_main_~y~4))), 67790#(<= 23316 (+ ULTIMATE.start_main_~x~4 (* 54 ULTIMATE.start_main_~y~4))), 67793#(<= 23940 (+ ULTIMATE.start_main_~x~4 (* 51 ULTIMATE.start_main_~y~4))), 67792#(<= 23736 (+ ULTIMATE.start_main_~x~4 (* 52 ULTIMATE.start_main_~y~4))), 67795#(<= 24336 (+ ULTIMATE.start_main_~x~4 (* 49 ULTIMATE.start_main_~y~4))), 67794#(<= 24140 (+ ULTIMATE.start_main_~x~4 (* 50 ULTIMATE.start_main_~y~4))), 67797#(<= 24716 (+ ULTIMATE.start_main_~x~4 (* 47 ULTIMATE.start_main_~y~4))), 67796#(<= 24528 (+ ULTIMATE.start_main_~x~4 (* 48 ULTIMATE.start_main_~y~4))), 67799#(<= 25080 (+ ULTIMATE.start_main_~x~4 (* 45 ULTIMATE.start_main_~y~4))), 67798#(<= 24900 (+ ULTIMATE.start_main_~x~4 (* 46 ULTIMATE.start_main_~y~4))), 67801#(<= 25428 (+ ULTIMATE.start_main_~x~4 (* 43 ULTIMATE.start_main_~y~4))), 67800#(<= 25256 (+ ULTIMATE.start_main_~x~4 (* 44 ULTIMATE.start_main_~y~4))), 67803#(<= 25760 (+ ULTIMATE.start_main_~x~4 (* 41 ULTIMATE.start_main_~y~4))), 67802#(<= 25596 (+ ULTIMATE.start_main_~x~4 (* 42 ULTIMATE.start_main_~y~4))), 67805#(<= 26076 (+ ULTIMATE.start_main_~x~4 (* 39 ULTIMATE.start_main_~y~4))), 67804#(<= 25920 (+ ULTIMATE.start_main_~x~4 (* 40 ULTIMATE.start_main_~y~4))), 67807#(<= 26376 (+ ULTIMATE.start_main_~x~4 (* 37 ULTIMATE.start_main_~y~4))), 67806#(<= 26228 (+ ULTIMATE.start_main_~x~4 (* 38 ULTIMATE.start_main_~y~4))), 67809#(<= 26660 (+ ULTIMATE.start_main_~x~4 (* 35 ULTIMATE.start_main_~y~4))), 67808#(<= 26520 (+ ULTIMATE.start_main_~x~4 (* 36 ULTIMATE.start_main_~y~4))), 67811#(<= 26928 (+ ULTIMATE.start_main_~x~4 (* 33 ULTIMATE.start_main_~y~4))), 67810#(<= 26796 (+ ULTIMATE.start_main_~x~4 (* 34 ULTIMATE.start_main_~y~4))), 67813#(<= 27180 (+ ULTIMATE.start_main_~x~4 (* 31 ULTIMATE.start_main_~y~4))), 67812#(<= 27056 (+ ULTIMATE.start_main_~x~4 (* 32 ULTIMATE.start_main_~y~4))), 67815#(<= 27416 (+ ULTIMATE.start_main_~x~4 (* 29 ULTIMATE.start_main_~y~4))), 67814#(<= 27300 (+ ULTIMATE.start_main_~x~4 (* 30 ULTIMATE.start_main_~y~4))), 67817#(<= 27636 (+ ULTIMATE.start_main_~x~4 (* 27 ULTIMATE.start_main_~y~4))), 67816#(<= 27528 (+ ULTIMATE.start_main_~x~4 (* 28 ULTIMATE.start_main_~y~4))), 67819#(<= 27840 (+ ULTIMATE.start_main_~x~4 (* 25 ULTIMATE.start_main_~y~4))), 67818#(<= 27740 (+ ULTIMATE.start_main_~x~4 (* 26 ULTIMATE.start_main_~y~4))), 67821#(<= 28028 (+ ULTIMATE.start_main_~x~4 (* 23 ULTIMATE.start_main_~y~4))), 67820#(<= 27936 (+ ULTIMATE.start_main_~x~4 (* 24 ULTIMATE.start_main_~y~4))), 67823#(<= 28200 (+ ULTIMATE.start_main_~x~4 (* 21 ULTIMATE.start_main_~y~4))), 67822#(<= 28116 (+ ULTIMATE.start_main_~x~4 (* 22 ULTIMATE.start_main_~y~4))), 67825#(<= 28356 (+ ULTIMATE.start_main_~x~4 (* 19 ULTIMATE.start_main_~y~4))), 67824#(<= 28280 (+ ULTIMATE.start_main_~x~4 (* 20 ULTIMATE.start_main_~y~4))), 67827#(<= 28496 (+ ULTIMATE.start_main_~x~4 (* 17 ULTIMATE.start_main_~y~4))), 67826#(<= 28428 (+ ULTIMATE.start_main_~x~4 (* 18 ULTIMATE.start_main_~y~4))), 67829#(<= 28620 (+ ULTIMATE.start_main_~x~4 (* 15 ULTIMATE.start_main_~y~4))), 67828#(<= 28560 (+ ULTIMATE.start_main_~x~4 (* 16 ULTIMATE.start_main_~y~4))), 67831#(<= 28728 (+ ULTIMATE.start_main_~x~4 (* 13 ULTIMATE.start_main_~y~4))), 67830#(<= 28676 (+ ULTIMATE.start_main_~x~4 (* 14 ULTIMATE.start_main_~y~4))), 67833#(<= 28820 (+ ULTIMATE.start_main_~x~4 (* 11 ULTIMATE.start_main_~y~4))), 67832#(<= 28776 (+ ULTIMATE.start_main_~x~4 (* 12 ULTIMATE.start_main_~y~4))), 67835#(<= 28896 (+ ULTIMATE.start_main_~x~4 (* 9 ULTIMATE.start_main_~y~4))), 67834#(<= 28860 (+ ULTIMATE.start_main_~x~4 (* 10 ULTIMATE.start_main_~y~4))), 67837#(<= 28956 (+ ULTIMATE.start_main_~x~4 (* 7 ULTIMATE.start_main_~y~4))), 67836#(<= 28928 (+ ULTIMATE.start_main_~x~4 (* 8 ULTIMATE.start_main_~y~4))), 67839#(<= 29000 (+ ULTIMATE.start_main_~x~4 (* 5 ULTIMATE.start_main_~y~4))), 67838#(<= 28980 (+ ULTIMATE.start_main_~x~4 (* 6 ULTIMATE.start_main_~y~4)))] [2018-07-23 13:44:22,092 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 13:44:22,092 INFO L450 AbstractCegarLoop]: Interpolant automaton has 123 states [2018-07-23 13:44:22,092 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 123 interpolants. [2018-07-23 13:44:22,093 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=243, Invalid=14763, Unknown=0, NotChecked=0, Total=15006 [2018-07-23 13:44:22,093 INFO L87 Difference]: Start difference. First operand 243 states and 243 transitions. Second operand 123 states. [2018-07-23 13:44:24,555 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-07-23 13:44:24,555 INFO L93 Difference]: Finished difference Result 248 states and 248 transitions. [2018-07-23 13:44:24,555 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 123 states. [2018-07-23 13:44:24,555 INFO L78 Accepts]: Start accepts. Automaton has 123 states. Word has length 242 [2018-07-23 13:44:24,556 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-07-23 13:44:24,556 INFO L225 Difference]: With dead ends: 248 [2018-07-23 13:44:24,556 INFO L226 Difference]: Without dead ends: 246 [2018-07-23 13:44:24,557 INFO L575 BasicCegarLoop]: 0 DeclaredPredicates, 122 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 121 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.7s TimeCoverageRelationStatistics Valid=243, Invalid=14763, Unknown=0, NotChecked=0, Total=15006 [2018-07-23 13:44:24,557 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 246 states. [2018-07-23 13:44:24,656 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 246 to 245. [2018-07-23 13:44:24,656 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 245 states. [2018-07-23 13:44:24,656 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 245 states to 245 states and 245 transitions. [2018-07-23 13:44:24,656 INFO L78 Accepts]: Start accepts. Automaton has 245 states and 245 transitions. Word has length 242 [2018-07-23 13:44:24,657 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-07-23 13:44:24,657 INFO L471 AbstractCegarLoop]: Abstraction has 245 states and 245 transitions. [2018-07-23 13:44:24,657 INFO L472 AbstractCegarLoop]: Interpolant automaton has 123 states. [2018-07-23 13:44:24,657 INFO L276 IsEmpty]: Start isEmpty. Operand 245 states and 245 transitions. [2018-07-23 13:44:24,658 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 245 [2018-07-23 13:44:24,658 INFO L349 BasicCegarLoop]: Found error trace [2018-07-23 13:44:24,658 INFO L357 BasicCegarLoop]: trace histogram [121, 120, 1, 1, 1] [2018-07-23 13:44:24,658 INFO L414 AbstractCegarLoop]: === Iteration 121 === [ULTIMATE.startErr0AssertViolationASSERT]=== [2018-07-23 13:44:24,658 INFO L82 PathProgramCache]: Analyzing trace with hash 850474571, now seen corresponding path program 120 times [2018-07-23 13:44:24,658 INFO L69 tionRefinementEngine]: Using refinement strategy FixedRefinementStrategy [2018-07-23 13:44:25,052 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-07-23 13:44:26,691 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 13:44:26,691 INFO L309 seRefinementStrategy]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2018-07-23 13:44:26,692 INFO L324 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [123] total 123 [2018-07-23 13:44:26,692 INFO L142 lantAutomatonBuilder]: Constructing canonical interpolant automaton, with selfloop in false state [2018-07-23 13:44:26,692 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-07-23 13:44:26,692 INFO L185 omatonBuilderFactory]: Interpolants [68865#(<= 13860 (+ ULTIMATE.start_main_~x~4 (* 89 ULTIMATE.start_main_~y~4))), 68864#(<= 13504 (+ ULTIMATE.start_main_~x~4 (* 90 ULTIMATE.start_main_~y~4))), 68867#(<= 14560 (+ ULTIMATE.start_main_~x~4 (* 87 ULTIMATE.start_main_~y~4))), 68866#(<= 14212 (+ ULTIMATE.start_main_~x~4 (* 88 ULTIMATE.start_main_~y~4))), 68869#(<= 15244 (+ ULTIMATE.start_main_~x~4 (* 85 ULTIMATE.start_main_~y~4))), 68868#(<= 14904 (+ ULTIMATE.start_main_~x~4 (* 86 ULTIMATE.start_main_~y~4))), 68871#(<= 15912 (+ ULTIMATE.start_main_~x~4 (* 83 ULTIMATE.start_main_~y~4))), 68870#(<= 15580 (+ ULTIMATE.start_main_~x~4 (* 84 ULTIMATE.start_main_~y~4))), 68873#(<= 16564 (+ ULTIMATE.start_main_~x~4 (* 81 ULTIMATE.start_main_~y~4))), 68872#(<= 16240 (+ ULTIMATE.start_main_~x~4 (* 82 ULTIMATE.start_main_~y~4))), 68875#(<= 17200 (+ ULTIMATE.start_main_~x~4 (* 79 ULTIMATE.start_main_~y~4))), 68874#(<= 16884 (+ ULTIMATE.start_main_~x~4 (* 80 ULTIMATE.start_main_~y~4))), 68877#(<= 17820 (+ ULTIMATE.start_main_~x~4 (* 77 ULTIMATE.start_main_~y~4))), 68876#(<= 17512 (+ ULTIMATE.start_main_~x~4 (* 78 ULTIMATE.start_main_~y~4))), 68879#(<= 18424 (+ ULTIMATE.start_main_~x~4 (* 75 ULTIMATE.start_main_~y~4))), 68878#(<= 18124 (+ ULTIMATE.start_main_~x~4 (* 76 ULTIMATE.start_main_~y~4))), 68881#(<= 19012 (+ ULTIMATE.start_main_~x~4 (* 73 ULTIMATE.start_main_~y~4))), 68880#(<= 18720 (+ ULTIMATE.start_main_~x~4 (* 74 ULTIMATE.start_main_~y~4))), 68883#(<= 19584 (+ ULTIMATE.start_main_~x~4 (* 71 ULTIMATE.start_main_~y~4))), 68882#(<= 19300 (+ ULTIMATE.start_main_~x~4 (* 72 ULTIMATE.start_main_~y~4))), 68885#(<= 20140 (+ ULTIMATE.start_main_~x~4 (* 69 ULTIMATE.start_main_~y~4))), 68884#(<= 19864 (+ ULTIMATE.start_main_~x~4 (* 70 ULTIMATE.start_main_~y~4))), 68887#(<= 20680 (+ ULTIMATE.start_main_~x~4 (* 67 ULTIMATE.start_main_~y~4))), 68886#(<= 20412 (+ ULTIMATE.start_main_~x~4 (* 68 ULTIMATE.start_main_~y~4))), 68889#(<= 21204 (+ ULTIMATE.start_main_~x~4 (* 65 ULTIMATE.start_main_~y~4))), 68888#(<= 20944 (+ ULTIMATE.start_main_~x~4 (* 66 ULTIMATE.start_main_~y~4))), 68891#(<= 21712 (+ ULTIMATE.start_main_~x~4 (* 63 ULTIMATE.start_main_~y~4))), 68890#(<= 21460 (+ ULTIMATE.start_main_~x~4 (* 64 ULTIMATE.start_main_~y~4))), 68893#(<= 22204 (+ ULTIMATE.start_main_~x~4 (* 61 ULTIMATE.start_main_~y~4))), 68892#(<= 21960 (+ ULTIMATE.start_main_~x~4 (* 62 ULTIMATE.start_main_~y~4))), 68895#(<= 22680 (+ ULTIMATE.start_main_~x~4 (* 59 ULTIMATE.start_main_~y~4))), 68894#(<= 22444 (+ ULTIMATE.start_main_~x~4 (* 60 ULTIMATE.start_main_~y~4))), 68897#(<= 23140 (+ ULTIMATE.start_main_~x~4 (* 57 ULTIMATE.start_main_~y~4))), 68896#(<= 22912 (+ ULTIMATE.start_main_~x~4 (* 58 ULTIMATE.start_main_~y~4))), 68899#(<= 23584 (+ ULTIMATE.start_main_~x~4 (* 55 ULTIMATE.start_main_~y~4))), 68898#(<= 23364 (+ ULTIMATE.start_main_~x~4 (* 56 ULTIMATE.start_main_~y~4))), 68901#(<= 24012 (+ ULTIMATE.start_main_~x~4 (* 53 ULTIMATE.start_main_~y~4))), 68900#(<= 23800 (+ ULTIMATE.start_main_~x~4 (* 54 ULTIMATE.start_main_~y~4))), 68903#(<= 24424 (+ ULTIMATE.start_main_~x~4 (* 51 ULTIMATE.start_main_~y~4))), 68902#(<= 24220 (+ ULTIMATE.start_main_~x~4 (* 52 ULTIMATE.start_main_~y~4))), 68905#(<= 24820 (+ ULTIMATE.start_main_~x~4 (* 49 ULTIMATE.start_main_~y~4))), 68904#(<= 24624 (+ ULTIMATE.start_main_~x~4 (* 50 ULTIMATE.start_main_~y~4))), 68907#(<= 25200 (+ ULTIMATE.start_main_~x~4 (* 47 ULTIMATE.start_main_~y~4))), 68906#(<= 25012 (+ ULTIMATE.start_main_~x~4 (* 48 ULTIMATE.start_main_~y~4))), 68909#(<= 25564 (+ ULTIMATE.start_main_~x~4 (* 45 ULTIMATE.start_main_~y~4))), 68908#(<= 25384 (+ ULTIMATE.start_main_~x~4 (* 46 ULTIMATE.start_main_~y~4))), 68911#(<= 25912 (+ ULTIMATE.start_main_~x~4 (* 43 ULTIMATE.start_main_~y~4))), 68910#(<= 25740 (+ ULTIMATE.start_main_~x~4 (* 44 ULTIMATE.start_main_~y~4))), 68913#(<= 26244 (+ ULTIMATE.start_main_~x~4 (* 41 ULTIMATE.start_main_~y~4))), 68912#(<= 26080 (+ ULTIMATE.start_main_~x~4 (* 42 ULTIMATE.start_main_~y~4))), 68915#(<= 26560 (+ ULTIMATE.start_main_~x~4 (* 39 ULTIMATE.start_main_~y~4))), 68914#(<= 26404 (+ ULTIMATE.start_main_~x~4 (* 40 ULTIMATE.start_main_~y~4))), 68917#(<= 26860 (+ ULTIMATE.start_main_~x~4 (* 37 ULTIMATE.start_main_~y~4))), 68916#(<= 26712 (+ ULTIMATE.start_main_~x~4 (* 38 ULTIMATE.start_main_~y~4))), 68919#(<= 27144 (+ ULTIMATE.start_main_~x~4 (* 35 ULTIMATE.start_main_~y~4))), 68918#(<= 27004 (+ ULTIMATE.start_main_~x~4 (* 36 ULTIMATE.start_main_~y~4))), 68921#(<= 27412 (+ ULTIMATE.start_main_~x~4 (* 33 ULTIMATE.start_main_~y~4))), 68920#(<= 27280 (+ ULTIMATE.start_main_~x~4 (* 34 ULTIMATE.start_main_~y~4))), 68923#(<= 27664 (+ ULTIMATE.start_main_~x~4 (* 31 ULTIMATE.start_main_~y~4))), 68922#(<= 27540 (+ ULTIMATE.start_main_~x~4 (* 32 ULTIMATE.start_main_~y~4))), 68925#(<= 27900 (+ ULTIMATE.start_main_~x~4 (* 29 ULTIMATE.start_main_~y~4))), 68924#(<= 27784 (+ ULTIMATE.start_main_~x~4 (* 30 ULTIMATE.start_main_~y~4))), 68927#(<= 28120 (+ ULTIMATE.start_main_~x~4 (* 27 ULTIMATE.start_main_~y~4))), 68926#(<= 28012 (+ ULTIMATE.start_main_~x~4 (* 28 ULTIMATE.start_main_~y~4))), 68929#(<= 28324 (+ ULTIMATE.start_main_~x~4 (* 25 ULTIMATE.start_main_~y~4))), 68928#(<= 28224 (+ ULTIMATE.start_main_~x~4 (* 26 ULTIMATE.start_main_~y~4))), 68931#(<= 28512 (+ ULTIMATE.start_main_~x~4 (* 23 ULTIMATE.start_main_~y~4))), 68930#(<= 28420 (+ ULTIMATE.start_main_~x~4 (* 24 ULTIMATE.start_main_~y~4))), 68933#(<= 28684 (+ ULTIMATE.start_main_~x~4 (* 21 ULTIMATE.start_main_~y~4))), 68932#(<= 28600 (+ ULTIMATE.start_main_~x~4 (* 22 ULTIMATE.start_main_~y~4))), 68935#(<= 28840 (+ ULTIMATE.start_main_~x~4 (* 19 ULTIMATE.start_main_~y~4))), 68934#(<= 28764 (+ ULTIMATE.start_main_~x~4 (* 20 ULTIMATE.start_main_~y~4))), 68937#(<= 28980 (+ ULTIMATE.start_main_~x~4 (* 17 ULTIMATE.start_main_~y~4))), 68936#(<= 28912 (+ ULTIMATE.start_main_~x~4 (* 18 ULTIMATE.start_main_~y~4))), 68939#(<= 29104 (+ ULTIMATE.start_main_~x~4 (* 15 ULTIMATE.start_main_~y~4))), 68938#(<= 29044 (+ ULTIMATE.start_main_~x~4 (* 16 ULTIMATE.start_main_~y~4))), 68941#(<= 29212 (+ ULTIMATE.start_main_~x~4 (* 13 ULTIMATE.start_main_~y~4))), 68940#(<= 29160 (+ ULTIMATE.start_main_~x~4 (* 14 ULTIMATE.start_main_~y~4))), 68943#(<= 29304 (+ ULTIMATE.start_main_~x~4 (* 11 ULTIMATE.start_main_~y~4))), 68942#(<= 29260 (+ ULTIMATE.start_main_~x~4 (* 12 ULTIMATE.start_main_~y~4))), 68945#(<= 29380 (+ ULTIMATE.start_main_~x~4 (* 9 ULTIMATE.start_main_~y~4))), 68944#(<= 29344 (+ ULTIMATE.start_main_~x~4 (* 10 ULTIMATE.start_main_~y~4))), 68947#(<= 29440 (+ ULTIMATE.start_main_~x~4 (* 7 ULTIMATE.start_main_~y~4))), 68946#(<= 29412 (+ ULTIMATE.start_main_~x~4 (* 8 ULTIMATE.start_main_~y~4))), 68949#(<= 29484 (+ ULTIMATE.start_main_~x~4 (* 5 ULTIMATE.start_main_~y~4))), 68948#(<= 29464 (+ ULTIMATE.start_main_~x~4 (* 6 ULTIMATE.start_main_~y~4))), 68951#(<= 29512 (+ ULTIMATE.start_main_~x~4 (* 3 ULTIMATE.start_main_~y~4))), 68950#(<= 29500 (+ ULTIMATE.start_main_~x~4 (* 4 ULTIMATE.start_main_~y~4))), 68953#(<= 29524 (+ ULTIMATE.start_main_~x~4 ULTIMATE.start_main_~y~4)), 68952#(<= 29520 (+ ULTIMATE.start_main_~x~4 (* 2 ULTIMATE.start_main_~y~4))), 68954#(<= 1 ULTIMATE.start___VERIFIER_assert_~cond), 68831#true, 68833#(<= 484 (+ ULTIMATE.start_main_~x~4 (* 121 ULTIMATE.start_main_~y~4))), 68832#false, 68835#(<= 1440 (+ ULTIMATE.start_main_~x~4 (* 119 ULTIMATE.start_main_~y~4))), 68834#(<= 964 (+ ULTIMATE.start_main_~x~4 (* 120 ULTIMATE.start_main_~y~4))), 68837#(<= 2380 (+ ULTIMATE.start_main_~x~4 (* 117 ULTIMATE.start_main_~y~4))), 68836#(<= 1912 (+ ULTIMATE.start_main_~x~4 (* 118 ULTIMATE.start_main_~y~4))), 68839#(<= 3304 (+ ULTIMATE.start_main_~x~4 (* 115 ULTIMATE.start_main_~y~4))), 68838#(<= 2844 (+ ULTIMATE.start_main_~x~4 (* 116 ULTIMATE.start_main_~y~4))), 68841#(<= 4212 (+ ULTIMATE.start_main_~x~4 (* 113 ULTIMATE.start_main_~y~4))), 68840#(<= 3760 (+ ULTIMATE.start_main_~x~4 (* 114 ULTIMATE.start_main_~y~4))), 68843#(<= 5104 (+ ULTIMATE.start_main_~x~4 (* 111 ULTIMATE.start_main_~y~4))), 68842#(<= 4660 (+ ULTIMATE.start_main_~x~4 (* 112 ULTIMATE.start_main_~y~4))), 68845#(<= 5980 (+ ULTIMATE.start_main_~x~4 (* 109 ULTIMATE.start_main_~y~4))), 68844#(<= 5544 (+ ULTIMATE.start_main_~x~4 (* 110 ULTIMATE.start_main_~y~4))), 68847#(<= 6840 (+ ULTIMATE.start_main_~x~4 (* 107 ULTIMATE.start_main_~y~4))), 68846#(<= 6412 (+ ULTIMATE.start_main_~x~4 (* 108 ULTIMATE.start_main_~y~4))), 68849#(<= 7684 (+ ULTIMATE.start_main_~x~4 (* 105 ULTIMATE.start_main_~y~4))), 68848#(<= 7264 (+ ULTIMATE.start_main_~x~4 (* 106 ULTIMATE.start_main_~y~4))), 68851#(<= 8512 (+ ULTIMATE.start_main_~x~4 (* 103 ULTIMATE.start_main_~y~4))), 68850#(<= 8100 (+ ULTIMATE.start_main_~x~4 (* 104 ULTIMATE.start_main_~y~4))), 68853#(<= 9324 (+ ULTIMATE.start_main_~x~4 (* 101 ULTIMATE.start_main_~y~4))), 68852#(<= 8920 (+ ULTIMATE.start_main_~x~4 (* 102 ULTIMATE.start_main_~y~4))), 68855#(<= 10120 (+ ULTIMATE.start_main_~x~4 (* 99 ULTIMATE.start_main_~y~4))), 68854#(<= 9724 (+ ULTIMATE.start_main_~x~4 (* 100 ULTIMATE.start_main_~y~4))), 68857#(<= 10900 (+ ULTIMATE.start_main_~x~4 (* 97 ULTIMATE.start_main_~y~4))), 68856#(<= 10512 (+ ULTIMATE.start_main_~x~4 (* 98 ULTIMATE.start_main_~y~4))), 68859#(<= 11664 (+ ULTIMATE.start_main_~x~4 (* 95 ULTIMATE.start_main_~y~4))), 68858#(<= 11284 (+ ULTIMATE.start_main_~x~4 (* 96 ULTIMATE.start_main_~y~4))), 68861#(<= 12412 (+ ULTIMATE.start_main_~x~4 (* 93 ULTIMATE.start_main_~y~4))), 68860#(<= 12040 (+ ULTIMATE.start_main_~x~4 (* 94 ULTIMATE.start_main_~y~4))), 68863#(<= 13144 (+ ULTIMATE.start_main_~x~4 (* 91 ULTIMATE.start_main_~y~4))), 68862#(<= 12780 (+ ULTIMATE.start_main_~x~4 (* 92 ULTIMATE.start_main_~y~4)))] [2018-07-23 13:44:26,693 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 13:44:26,693 INFO L450 AbstractCegarLoop]: Interpolant automaton has 124 states [2018-07-23 13:44:26,694 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 124 interpolants. [2018-07-23 13:44:26,694 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=245, Invalid=15007, Unknown=0, NotChecked=0, Total=15252 [2018-07-23 13:44:26,694 INFO L87 Difference]: Start difference. First operand 245 states and 245 transitions. Second operand 124 states. [2018-07-23 13:44:29,329 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-07-23 13:44:29,329 INFO L93 Difference]: Finished difference Result 250 states and 250 transitions. [2018-07-23 13:44:29,329 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 124 states. [2018-07-23 13:44:29,329 INFO L78 Accepts]: Start accepts. Automaton has 124 states. Word has length 244 [2018-07-23 13:44:29,329 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-07-23 13:44:29,330 INFO L225 Difference]: With dead ends: 250 [2018-07-23 13:44:29,330 INFO L226 Difference]: Without dead ends: 248 [2018-07-23 13:44:29,330 INFO L575 BasicCegarLoop]: 0 DeclaredPredicates, 123 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 122 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.7s TimeCoverageRelationStatistics Valid=245, Invalid=15007, Unknown=0, NotChecked=0, Total=15252 [2018-07-23 13:44:29,330 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 248 states. [2018-07-23 13:44:29,429 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 248 to 247. [2018-07-23 13:44:29,429 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 247 states. [2018-07-23 13:44:29,429 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 247 states to 247 states and 247 transitions. [2018-07-23 13:44:29,429 INFO L78 Accepts]: Start accepts. Automaton has 247 states and 247 transitions. Word has length 244 [2018-07-23 13:44:29,430 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-07-23 13:44:29,430 INFO L471 AbstractCegarLoop]: Abstraction has 247 states and 247 transitions. [2018-07-23 13:44:29,430 INFO L472 AbstractCegarLoop]: Interpolant automaton has 124 states. [2018-07-23 13:44:29,430 INFO L276 IsEmpty]: Start isEmpty. Operand 247 states and 247 transitions. [2018-07-23 13:44:29,430 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 247 [2018-07-23 13:44:29,430 INFO L349 BasicCegarLoop]: Found error trace [2018-07-23 13:44:29,431 INFO L357 BasicCegarLoop]: trace histogram [122, 121, 1, 1, 1] [2018-07-23 13:44:29,431 INFO L414 AbstractCegarLoop]: === Iteration 122 === [ULTIMATE.startErr0AssertViolationASSERT]=== [2018-07-23 13:44:29,431 INFO L82 PathProgramCache]: Analyzing trace with hash 1262223189, now seen corresponding path program 121 times [2018-07-23 13:44:29,431 INFO L69 tionRefinementEngine]: Using refinement strategy FixedRefinementStrategy [2018-07-23 13:44:29,795 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-07-23 13:44:31,406 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 13:44:31,406 INFO L309 seRefinementStrategy]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2018-07-23 13:44:31,407 INFO L324 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [124] total 124 [2018-07-23 13:44:31,407 INFO L142 lantAutomatonBuilder]: Constructing canonical interpolant automaton, with selfloop in false state [2018-07-23 13:44:31,407 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-07-23 13:44:31,407 INFO L185 omatonBuilderFactory]: Interpolants [69949#true, 69951#(<= 488 (+ ULTIMATE.start_main_~x~4 (* 122 ULTIMATE.start_main_~y~4))), 69950#false, 69953#(<= 1452 (+ ULTIMATE.start_main_~x~4 (* 120 ULTIMATE.start_main_~y~4))), 69952#(<= 972 (+ ULTIMATE.start_main_~x~4 (* 121 ULTIMATE.start_main_~y~4))), 69955#(<= 2400 (+ ULTIMATE.start_main_~x~4 (* 118 ULTIMATE.start_main_~y~4))), 69954#(<= 1928 (+ ULTIMATE.start_main_~x~4 (* 119 ULTIMATE.start_main_~y~4))), 69957#(<= 3332 (+ ULTIMATE.start_main_~x~4 (* 116 ULTIMATE.start_main_~y~4))), 69956#(<= 2868 (+ ULTIMATE.start_main_~x~4 (* 117 ULTIMATE.start_main_~y~4))), 69959#(<= 4248 (+ ULTIMATE.start_main_~x~4 (* 114 ULTIMATE.start_main_~y~4))), 69958#(<= 3792 (+ ULTIMATE.start_main_~x~4 (* 115 ULTIMATE.start_main_~y~4))), 69961#(<= 5148 (+ ULTIMATE.start_main_~x~4 (* 112 ULTIMATE.start_main_~y~4))), 69960#(<= 4700 (+ ULTIMATE.start_main_~x~4 (* 113 ULTIMATE.start_main_~y~4))), 69963#(<= 6032 (+ ULTIMATE.start_main_~x~4 (* 110 ULTIMATE.start_main_~y~4))), 69962#(<= 5592 (+ ULTIMATE.start_main_~x~4 (* 111 ULTIMATE.start_main_~y~4))), 69965#(<= 6900 (+ ULTIMATE.start_main_~x~4 (* 108 ULTIMATE.start_main_~y~4))), 69964#(<= 6468 (+ ULTIMATE.start_main_~x~4 (* 109 ULTIMATE.start_main_~y~4))), 69967#(<= 7752 (+ ULTIMATE.start_main_~x~4 (* 106 ULTIMATE.start_main_~y~4))), 69966#(<= 7328 (+ ULTIMATE.start_main_~x~4 (* 107 ULTIMATE.start_main_~y~4))), 69969#(<= 8588 (+ ULTIMATE.start_main_~x~4 (* 104 ULTIMATE.start_main_~y~4))), 69968#(<= 8172 (+ ULTIMATE.start_main_~x~4 (* 105 ULTIMATE.start_main_~y~4))), 69971#(<= 9408 (+ ULTIMATE.start_main_~x~4 (* 102 ULTIMATE.start_main_~y~4))), 69970#(<= 9000 (+ ULTIMATE.start_main_~x~4 (* 103 ULTIMATE.start_main_~y~4))), 69973#(<= 10212 (+ ULTIMATE.start_main_~x~4 (* 100 ULTIMATE.start_main_~y~4))), 69972#(<= 9812 (+ ULTIMATE.start_main_~x~4 (* 101 ULTIMATE.start_main_~y~4))), 69975#(<= 11000 (+ ULTIMATE.start_main_~x~4 (* 98 ULTIMATE.start_main_~y~4))), 69974#(<= 10608 (+ ULTIMATE.start_main_~x~4 (* 99 ULTIMATE.start_main_~y~4))), 69977#(<= 11772 (+ ULTIMATE.start_main_~x~4 (* 96 ULTIMATE.start_main_~y~4))), 69976#(<= 11388 (+ ULTIMATE.start_main_~x~4 (* 97 ULTIMATE.start_main_~y~4))), 69979#(<= 12528 (+ ULTIMATE.start_main_~x~4 (* 94 ULTIMATE.start_main_~y~4))), 69978#(<= 12152 (+ ULTIMATE.start_main_~x~4 (* 95 ULTIMATE.start_main_~y~4))), 69981#(<= 13268 (+ ULTIMATE.start_main_~x~4 (* 92 ULTIMATE.start_main_~y~4))), 69980#(<= 12900 (+ ULTIMATE.start_main_~x~4 (* 93 ULTIMATE.start_main_~y~4))), 69983#(<= 13992 (+ ULTIMATE.start_main_~x~4 (* 90 ULTIMATE.start_main_~y~4))), 69982#(<= 13632 (+ ULTIMATE.start_main_~x~4 (* 91 ULTIMATE.start_main_~y~4))), 69985#(<= 14700 (+ ULTIMATE.start_main_~x~4 (* 88 ULTIMATE.start_main_~y~4))), 69984#(<= 14348 (+ ULTIMATE.start_main_~x~4 (* 89 ULTIMATE.start_main_~y~4))), 69987#(<= 15392 (+ ULTIMATE.start_main_~x~4 (* 86 ULTIMATE.start_main_~y~4))), 69986#(<= 15048 (+ ULTIMATE.start_main_~x~4 (* 87 ULTIMATE.start_main_~y~4))), 69989#(<= 16068 (+ ULTIMATE.start_main_~x~4 (* 84 ULTIMATE.start_main_~y~4))), 69988#(<= 15732 (+ ULTIMATE.start_main_~x~4 (* 85 ULTIMATE.start_main_~y~4))), 69991#(<= 16728 (+ ULTIMATE.start_main_~x~4 (* 82 ULTIMATE.start_main_~y~4))), 69990#(<= 16400 (+ ULTIMATE.start_main_~x~4 (* 83 ULTIMATE.start_main_~y~4))), 69993#(<= 17372 (+ ULTIMATE.start_main_~x~4 (* 80 ULTIMATE.start_main_~y~4))), 69992#(<= 17052 (+ ULTIMATE.start_main_~x~4 (* 81 ULTIMATE.start_main_~y~4))), 69995#(<= 18000 (+ ULTIMATE.start_main_~x~4 (* 78 ULTIMATE.start_main_~y~4))), 69994#(<= 17688 (+ ULTIMATE.start_main_~x~4 (* 79 ULTIMATE.start_main_~y~4))), 69997#(<= 18612 (+ ULTIMATE.start_main_~x~4 (* 76 ULTIMATE.start_main_~y~4))), 69996#(<= 18308 (+ ULTIMATE.start_main_~x~4 (* 77 ULTIMATE.start_main_~y~4))), 69999#(<= 19208 (+ ULTIMATE.start_main_~x~4 (* 74 ULTIMATE.start_main_~y~4))), 69998#(<= 18912 (+ ULTIMATE.start_main_~x~4 (* 75 ULTIMATE.start_main_~y~4))), 70001#(<= 19788 (+ ULTIMATE.start_main_~x~4 (* 72 ULTIMATE.start_main_~y~4))), 70000#(<= 19500 (+ ULTIMATE.start_main_~x~4 (* 73 ULTIMATE.start_main_~y~4))), 70003#(<= 20352 (+ ULTIMATE.start_main_~x~4 (* 70 ULTIMATE.start_main_~y~4))), 70002#(<= 20072 (+ ULTIMATE.start_main_~x~4 (* 71 ULTIMATE.start_main_~y~4))), 70005#(<= 20900 (+ ULTIMATE.start_main_~x~4 (* 68 ULTIMATE.start_main_~y~4))), 70004#(<= 20628 (+ ULTIMATE.start_main_~x~4 (* 69 ULTIMATE.start_main_~y~4))), 70007#(<= 21432 (+ ULTIMATE.start_main_~x~4 (* 66 ULTIMATE.start_main_~y~4))), 70006#(<= 21168 (+ ULTIMATE.start_main_~x~4 (* 67 ULTIMATE.start_main_~y~4))), 70009#(<= 21948 (+ ULTIMATE.start_main_~x~4 (* 64 ULTIMATE.start_main_~y~4))), 70008#(<= 21692 (+ ULTIMATE.start_main_~x~4 (* 65 ULTIMATE.start_main_~y~4))), 70011#(<= 22448 (+ ULTIMATE.start_main_~x~4 (* 62 ULTIMATE.start_main_~y~4))), 70010#(<= 22200 (+ ULTIMATE.start_main_~x~4 (* 63 ULTIMATE.start_main_~y~4))), 70013#(<= 22932 (+ ULTIMATE.start_main_~x~4 (* 60 ULTIMATE.start_main_~y~4))), 70012#(<= 22692 (+ ULTIMATE.start_main_~x~4 (* 61 ULTIMATE.start_main_~y~4))), 70015#(<= 23400 (+ ULTIMATE.start_main_~x~4 (* 58 ULTIMATE.start_main_~y~4))), 70014#(<= 23168 (+ ULTIMATE.start_main_~x~4 (* 59 ULTIMATE.start_main_~y~4))), 70017#(<= 23852 (+ ULTIMATE.start_main_~x~4 (* 56 ULTIMATE.start_main_~y~4))), 70016#(<= 23628 (+ ULTIMATE.start_main_~x~4 (* 57 ULTIMATE.start_main_~y~4))), 70019#(<= 24288 (+ ULTIMATE.start_main_~x~4 (* 54 ULTIMATE.start_main_~y~4))), 70018#(<= 24072 (+ ULTIMATE.start_main_~x~4 (* 55 ULTIMATE.start_main_~y~4))), 70021#(<= 24708 (+ ULTIMATE.start_main_~x~4 (* 52 ULTIMATE.start_main_~y~4))), 70020#(<= 24500 (+ ULTIMATE.start_main_~x~4 (* 53 ULTIMATE.start_main_~y~4))), 70023#(<= 25112 (+ ULTIMATE.start_main_~x~4 (* 50 ULTIMATE.start_main_~y~4))), 70022#(<= 24912 (+ ULTIMATE.start_main_~x~4 (* 51 ULTIMATE.start_main_~y~4))), 70025#(<= 25500 (+ ULTIMATE.start_main_~x~4 (* 48 ULTIMATE.start_main_~y~4))), 70024#(<= 25308 (+ ULTIMATE.start_main_~x~4 (* 49 ULTIMATE.start_main_~y~4))), 70027#(<= 25872 (+ ULTIMATE.start_main_~x~4 (* 46 ULTIMATE.start_main_~y~4))), 70026#(<= 25688 (+ ULTIMATE.start_main_~x~4 (* 47 ULTIMATE.start_main_~y~4))), 70029#(<= 26228 (+ ULTIMATE.start_main_~x~4 (* 44 ULTIMATE.start_main_~y~4))), 70028#(<= 26052 (+ ULTIMATE.start_main_~x~4 (* 45 ULTIMATE.start_main_~y~4))), 70031#(<= 26568 (+ ULTIMATE.start_main_~x~4 (* 42 ULTIMATE.start_main_~y~4))), 70030#(<= 26400 (+ ULTIMATE.start_main_~x~4 (* 43 ULTIMATE.start_main_~y~4))), 70033#(<= 26892 (+ ULTIMATE.start_main_~x~4 (* 40 ULTIMATE.start_main_~y~4))), 70032#(<= 26732 (+ ULTIMATE.start_main_~x~4 (* 41 ULTIMATE.start_main_~y~4))), 70035#(<= 27200 (+ ULTIMATE.start_main_~x~4 (* 38 ULTIMATE.start_main_~y~4))), 70034#(<= 27048 (+ ULTIMATE.start_main_~x~4 (* 39 ULTIMATE.start_main_~y~4))), 70037#(<= 27492 (+ ULTIMATE.start_main_~x~4 (* 36 ULTIMATE.start_main_~y~4))), 70036#(<= 27348 (+ ULTIMATE.start_main_~x~4 (* 37 ULTIMATE.start_main_~y~4))), 70039#(<= 27768 (+ ULTIMATE.start_main_~x~4 (* 34 ULTIMATE.start_main_~y~4))), 70038#(<= 27632 (+ ULTIMATE.start_main_~x~4 (* 35 ULTIMATE.start_main_~y~4))), 70041#(<= 28028 (+ ULTIMATE.start_main_~x~4 (* 32 ULTIMATE.start_main_~y~4))), 70040#(<= 27900 (+ ULTIMATE.start_main_~x~4 (* 33 ULTIMATE.start_main_~y~4))), 70043#(<= 28272 (+ ULTIMATE.start_main_~x~4 (* 30 ULTIMATE.start_main_~y~4))), 70042#(<= 28152 (+ ULTIMATE.start_main_~x~4 (* 31 ULTIMATE.start_main_~y~4))), 70045#(<= 28500 (+ ULTIMATE.start_main_~x~4 (* 28 ULTIMATE.start_main_~y~4))), 70044#(<= 28388 (+ ULTIMATE.start_main_~x~4 (* 29 ULTIMATE.start_main_~y~4))), 70047#(<= 28712 (+ ULTIMATE.start_main_~x~4 (* 26 ULTIMATE.start_main_~y~4))), 70046#(<= 28608 (+ ULTIMATE.start_main_~x~4 (* 27 ULTIMATE.start_main_~y~4))), 70049#(<= 28908 (+ ULTIMATE.start_main_~x~4 (* 24 ULTIMATE.start_main_~y~4))), 70048#(<= 28812 (+ ULTIMATE.start_main_~x~4 (* 25 ULTIMATE.start_main_~y~4))), 70051#(<= 29088 (+ ULTIMATE.start_main_~x~4 (* 22 ULTIMATE.start_main_~y~4))), 70050#(<= 29000 (+ ULTIMATE.start_main_~x~4 (* 23 ULTIMATE.start_main_~y~4))), 70053#(<= 29252 (+ ULTIMATE.start_main_~x~4 (* 20 ULTIMATE.start_main_~y~4))), 70052#(<= 29172 (+ ULTIMATE.start_main_~x~4 (* 21 ULTIMATE.start_main_~y~4))), 70055#(<= 29400 (+ ULTIMATE.start_main_~x~4 (* 18 ULTIMATE.start_main_~y~4))), 70054#(<= 29328 (+ ULTIMATE.start_main_~x~4 (* 19 ULTIMATE.start_main_~y~4))), 70057#(<= 29532 (+ ULTIMATE.start_main_~x~4 (* 16 ULTIMATE.start_main_~y~4))), 70056#(<= 29468 (+ ULTIMATE.start_main_~x~4 (* 17 ULTIMATE.start_main_~y~4))), 70059#(<= 29648 (+ ULTIMATE.start_main_~x~4 (* 14 ULTIMATE.start_main_~y~4))), 70058#(<= 29592 (+ ULTIMATE.start_main_~x~4 (* 15 ULTIMATE.start_main_~y~4))), 70061#(<= 29748 (+ ULTIMATE.start_main_~x~4 (* 12 ULTIMATE.start_main_~y~4))), 70060#(<= 29700 (+ ULTIMATE.start_main_~x~4 (* 13 ULTIMATE.start_main_~y~4))), 70063#(<= 29832 (+ ULTIMATE.start_main_~x~4 (* 10 ULTIMATE.start_main_~y~4))), 70062#(<= 29792 (+ ULTIMATE.start_main_~x~4 (* 11 ULTIMATE.start_main_~y~4))), 70065#(<= 29900 (+ ULTIMATE.start_main_~x~4 (* 8 ULTIMATE.start_main_~y~4))), 70064#(<= 29868 (+ ULTIMATE.start_main_~x~4 (* 9 ULTIMATE.start_main_~y~4))), 70067#(<= 29952 (+ ULTIMATE.start_main_~x~4 (* 6 ULTIMATE.start_main_~y~4))), 70066#(<= 29928 (+ ULTIMATE.start_main_~x~4 (* 7 ULTIMATE.start_main_~y~4))), 70069#(<= 29988 (+ ULTIMATE.start_main_~x~4 (* 4 ULTIMATE.start_main_~y~4))), 70068#(<= 29972 (+ ULTIMATE.start_main_~x~4 (* 5 ULTIMATE.start_main_~y~4))), 70071#(<= 30008 (+ ULTIMATE.start_main_~x~4 (* 2 ULTIMATE.start_main_~y~4))), 70070#(<= 30000 (+ ULTIMATE.start_main_~x~4 (* 3 ULTIMATE.start_main_~y~4))), 70073#(<= 1 ULTIMATE.start___VERIFIER_assert_~cond), 70072#(<= 30012 (+ ULTIMATE.start_main_~x~4 ULTIMATE.start_main_~y~4))] [2018-07-23 13:44:31,408 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 13:44:31,408 INFO L450 AbstractCegarLoop]: Interpolant automaton has 125 states [2018-07-23 13:44:31,409 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 125 interpolants. [2018-07-23 13:44:31,409 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=247, Invalid=15253, Unknown=0, NotChecked=0, Total=15500 [2018-07-23 13:44:31,409 INFO L87 Difference]: Start difference. First operand 247 states and 247 transitions. Second operand 125 states. [2018-07-23 13:44:33,938 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-07-23 13:44:33,939 INFO L93 Difference]: Finished difference Result 252 states and 252 transitions. [2018-07-23 13:44:33,939 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 125 states. [2018-07-23 13:44:33,939 INFO L78 Accepts]: Start accepts. Automaton has 125 states. Word has length 246 [2018-07-23 13:44:33,939 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-07-23 13:44:33,940 INFO L225 Difference]: With dead ends: 252 [2018-07-23 13:44:33,940 INFO L226 Difference]: Without dead ends: 250 [2018-07-23 13:44:33,941 INFO L575 BasicCegarLoop]: 0 DeclaredPredicates, 124 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 123 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.7s TimeCoverageRelationStatistics Valid=247, Invalid=15253, Unknown=0, NotChecked=0, Total=15500 [2018-07-23 13:44:33,941 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 250 states. [2018-07-23 13:44:34,049 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 250 to 249. [2018-07-23 13:44:34,049 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 249 states. [2018-07-23 13:44:34,049 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 249 states to 249 states and 249 transitions. [2018-07-23 13:44:34,050 INFO L78 Accepts]: Start accepts. Automaton has 249 states and 249 transitions. Word has length 246 [2018-07-23 13:44:34,050 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-07-23 13:44:34,050 INFO L471 AbstractCegarLoop]: Abstraction has 249 states and 249 transitions. [2018-07-23 13:44:34,050 INFO L472 AbstractCegarLoop]: Interpolant automaton has 125 states. [2018-07-23 13:44:34,050 INFO L276 IsEmpty]: Start isEmpty. Operand 249 states and 249 transitions. [2018-07-23 13:44:34,051 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 249 [2018-07-23 13:44:34,051 INFO L349 BasicCegarLoop]: Found error trace [2018-07-23 13:44:34,051 INFO L357 BasicCegarLoop]: trace histogram [123, 122, 1, 1, 1] [2018-07-23 13:44:34,051 INFO L414 AbstractCegarLoop]: === Iteration 123 === [ULTIMATE.startErr0AssertViolationASSERT]=== [2018-07-23 13:44:34,051 INFO L82 PathProgramCache]: Analyzing trace with hash 1815653855, now seen corresponding path program 122 times [2018-07-23 13:44:34,051 INFO L69 tionRefinementEngine]: Using refinement strategy FixedRefinementStrategy [2018-07-23 13:44:34,487 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-07-23 13:44:36,234 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 13:44:36,234 INFO L309 seRefinementStrategy]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2018-07-23 13:44:36,234 INFO L324 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [125] total 125 [2018-07-23 13:44:36,234 INFO L142 lantAutomatonBuilder]: Constructing canonical interpolant automaton, with selfloop in false state [2018-07-23 13:44:36,235 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-07-23 13:44:36,235 INFO L185 omatonBuilderFactory]: Interpolants [71169#(<= 28520 (+ ULTIMATE.start_main_~x~4 (* 32 ULTIMATE.start_main_~y~4))), 71168#(<= 28392 (+ ULTIMATE.start_main_~x~4 (* 33 ULTIMATE.start_main_~y~4))), 71171#(<= 28764 (+ ULTIMATE.start_main_~x~4 (* 30 ULTIMATE.start_main_~y~4))), 71170#(<= 28644 (+ ULTIMATE.start_main_~x~4 (* 31 ULTIMATE.start_main_~y~4))), 71173#(<= 28992 (+ ULTIMATE.start_main_~x~4 (* 28 ULTIMATE.start_main_~y~4))), 71172#(<= 28880 (+ ULTIMATE.start_main_~x~4 (* 29 ULTIMATE.start_main_~y~4))), 71175#(<= 29204 (+ ULTIMATE.start_main_~x~4 (* 26 ULTIMATE.start_main_~y~4))), 71174#(<= 29100 (+ ULTIMATE.start_main_~x~4 (* 27 ULTIMATE.start_main_~y~4))), 71177#(<= 29400 (+ ULTIMATE.start_main_~x~4 (* 24 ULTIMATE.start_main_~y~4))), 71176#(<= 29304 (+ ULTIMATE.start_main_~x~4 (* 25 ULTIMATE.start_main_~y~4))), 71179#(<= 29580 (+ ULTIMATE.start_main_~x~4 (* 22 ULTIMATE.start_main_~y~4))), 71178#(<= 29492 (+ ULTIMATE.start_main_~x~4 (* 23 ULTIMATE.start_main_~y~4))), 71181#(<= 29744 (+ ULTIMATE.start_main_~x~4 (* 20 ULTIMATE.start_main_~y~4))), 71180#(<= 29664 (+ ULTIMATE.start_main_~x~4 (* 21 ULTIMATE.start_main_~y~4))), 71183#(<= 29892 (+ ULTIMATE.start_main_~x~4 (* 18 ULTIMATE.start_main_~y~4))), 71182#(<= 29820 (+ ULTIMATE.start_main_~x~4 (* 19 ULTIMATE.start_main_~y~4))), 71185#(<= 30024 (+ ULTIMATE.start_main_~x~4 (* 16 ULTIMATE.start_main_~y~4))), 71184#(<= 29960 (+ ULTIMATE.start_main_~x~4 (* 17 ULTIMATE.start_main_~y~4))), 71187#(<= 30140 (+ ULTIMATE.start_main_~x~4 (* 14 ULTIMATE.start_main_~y~4))), 71186#(<= 30084 (+ ULTIMATE.start_main_~x~4 (* 15 ULTIMATE.start_main_~y~4))), 71189#(<= 30240 (+ ULTIMATE.start_main_~x~4 (* 12 ULTIMATE.start_main_~y~4))), 71188#(<= 30192 (+ ULTIMATE.start_main_~x~4 (* 13 ULTIMATE.start_main_~y~4))), 71191#(<= 30324 (+ ULTIMATE.start_main_~x~4 (* 10 ULTIMATE.start_main_~y~4))), 71190#(<= 30284 (+ ULTIMATE.start_main_~x~4 (* 11 ULTIMATE.start_main_~y~4))), 71193#(<= 30392 (+ ULTIMATE.start_main_~x~4 (* 8 ULTIMATE.start_main_~y~4))), 71192#(<= 30360 (+ ULTIMATE.start_main_~x~4 (* 9 ULTIMATE.start_main_~y~4))), 71195#(<= 30444 (+ ULTIMATE.start_main_~x~4 (* 6 ULTIMATE.start_main_~y~4))), 71194#(<= 30420 (+ ULTIMATE.start_main_~x~4 (* 7 ULTIMATE.start_main_~y~4))), 71197#(<= 30480 (+ ULTIMATE.start_main_~x~4 (* 4 ULTIMATE.start_main_~y~4))), 71196#(<= 30464 (+ ULTIMATE.start_main_~x~4 (* 5 ULTIMATE.start_main_~y~4))), 71199#(<= 30500 (+ ULTIMATE.start_main_~x~4 (* 2 ULTIMATE.start_main_~y~4))), 71198#(<= 30492 (+ ULTIMATE.start_main_~x~4 (* 3 ULTIMATE.start_main_~y~4))), 71201#(<= 1 ULTIMATE.start___VERIFIER_assert_~cond), 71200#(<= 30504 (+ ULTIMATE.start_main_~x~4 ULTIMATE.start_main_~y~4)), 71077#false, 71076#true, 71079#(<= 980 (+ ULTIMATE.start_main_~x~4 (* 122 ULTIMATE.start_main_~y~4))), 71078#(<= 492 (+ ULTIMATE.start_main_~x~4 (* 123 ULTIMATE.start_main_~y~4))), 71081#(<= 1944 (+ ULTIMATE.start_main_~x~4 (* 120 ULTIMATE.start_main_~y~4))), 71080#(<= 1464 (+ ULTIMATE.start_main_~x~4 (* 121 ULTIMATE.start_main_~y~4))), 71083#(<= 2892 (+ ULTIMATE.start_main_~x~4 (* 118 ULTIMATE.start_main_~y~4))), 71082#(<= 2420 (+ ULTIMATE.start_main_~x~4 (* 119 ULTIMATE.start_main_~y~4))), 71085#(<= 3824 (+ ULTIMATE.start_main_~x~4 (* 116 ULTIMATE.start_main_~y~4))), 71084#(<= 3360 (+ ULTIMATE.start_main_~x~4 (* 117 ULTIMATE.start_main_~y~4))), 71087#(<= 4740 (+ ULTIMATE.start_main_~x~4 (* 114 ULTIMATE.start_main_~y~4))), 71086#(<= 4284 (+ ULTIMATE.start_main_~x~4 (* 115 ULTIMATE.start_main_~y~4))), 71089#(<= 5640 (+ ULTIMATE.start_main_~x~4 (* 112 ULTIMATE.start_main_~y~4))), 71088#(<= 5192 (+ ULTIMATE.start_main_~x~4 (* 113 ULTIMATE.start_main_~y~4))), 71091#(<= 6524 (+ ULTIMATE.start_main_~x~4 (* 110 ULTIMATE.start_main_~y~4))), 71090#(<= 6084 (+ ULTIMATE.start_main_~x~4 (* 111 ULTIMATE.start_main_~y~4))), 71093#(<= 7392 (+ ULTIMATE.start_main_~x~4 (* 108 ULTIMATE.start_main_~y~4))), 71092#(<= 6960 (+ ULTIMATE.start_main_~x~4 (* 109 ULTIMATE.start_main_~y~4))), 71095#(<= 8244 (+ ULTIMATE.start_main_~x~4 (* 106 ULTIMATE.start_main_~y~4))), 71094#(<= 7820 (+ ULTIMATE.start_main_~x~4 (* 107 ULTIMATE.start_main_~y~4))), 71097#(<= 9080 (+ ULTIMATE.start_main_~x~4 (* 104 ULTIMATE.start_main_~y~4))), 71096#(<= 8664 (+ ULTIMATE.start_main_~x~4 (* 105 ULTIMATE.start_main_~y~4))), 71099#(<= 9900 (+ ULTIMATE.start_main_~x~4 (* 102 ULTIMATE.start_main_~y~4))), 71098#(<= 9492 (+ ULTIMATE.start_main_~x~4 (* 103 ULTIMATE.start_main_~y~4))), 71101#(<= 10704 (+ ULTIMATE.start_main_~x~4 (* 100 ULTIMATE.start_main_~y~4))), 71100#(<= 10304 (+ ULTIMATE.start_main_~x~4 (* 101 ULTIMATE.start_main_~y~4))), 71103#(<= 11492 (+ ULTIMATE.start_main_~x~4 (* 98 ULTIMATE.start_main_~y~4))), 71102#(<= 11100 (+ ULTIMATE.start_main_~x~4 (* 99 ULTIMATE.start_main_~y~4))), 71105#(<= 12264 (+ ULTIMATE.start_main_~x~4 (* 96 ULTIMATE.start_main_~y~4))), 71104#(<= 11880 (+ ULTIMATE.start_main_~x~4 (* 97 ULTIMATE.start_main_~y~4))), 71107#(<= 13020 (+ ULTIMATE.start_main_~x~4 (* 94 ULTIMATE.start_main_~y~4))), 71106#(<= 12644 (+ ULTIMATE.start_main_~x~4 (* 95 ULTIMATE.start_main_~y~4))), 71109#(<= 13760 (+ ULTIMATE.start_main_~x~4 (* 92 ULTIMATE.start_main_~y~4))), 71108#(<= 13392 (+ ULTIMATE.start_main_~x~4 (* 93 ULTIMATE.start_main_~y~4))), 71111#(<= 14484 (+ ULTIMATE.start_main_~x~4 (* 90 ULTIMATE.start_main_~y~4))), 71110#(<= 14124 (+ ULTIMATE.start_main_~x~4 (* 91 ULTIMATE.start_main_~y~4))), 71113#(<= 15192 (+ ULTIMATE.start_main_~x~4 (* 88 ULTIMATE.start_main_~y~4))), 71112#(<= 14840 (+ ULTIMATE.start_main_~x~4 (* 89 ULTIMATE.start_main_~y~4))), 71115#(<= 15884 (+ ULTIMATE.start_main_~x~4 (* 86 ULTIMATE.start_main_~y~4))), 71114#(<= 15540 (+ ULTIMATE.start_main_~x~4 (* 87 ULTIMATE.start_main_~y~4))), 71117#(<= 16560 (+ ULTIMATE.start_main_~x~4 (* 84 ULTIMATE.start_main_~y~4))), 71116#(<= 16224 (+ ULTIMATE.start_main_~x~4 (* 85 ULTIMATE.start_main_~y~4))), 71119#(<= 17220 (+ ULTIMATE.start_main_~x~4 (* 82 ULTIMATE.start_main_~y~4))), 71118#(<= 16892 (+ ULTIMATE.start_main_~x~4 (* 83 ULTIMATE.start_main_~y~4))), 71121#(<= 17864 (+ ULTIMATE.start_main_~x~4 (* 80 ULTIMATE.start_main_~y~4))), 71120#(<= 17544 (+ ULTIMATE.start_main_~x~4 (* 81 ULTIMATE.start_main_~y~4))), 71123#(<= 18492 (+ ULTIMATE.start_main_~x~4 (* 78 ULTIMATE.start_main_~y~4))), 71122#(<= 18180 (+ ULTIMATE.start_main_~x~4 (* 79 ULTIMATE.start_main_~y~4))), 71125#(<= 19104 (+ ULTIMATE.start_main_~x~4 (* 76 ULTIMATE.start_main_~y~4))), 71124#(<= 18800 (+ ULTIMATE.start_main_~x~4 (* 77 ULTIMATE.start_main_~y~4))), 71127#(<= 19700 (+ ULTIMATE.start_main_~x~4 (* 74 ULTIMATE.start_main_~y~4))), 71126#(<= 19404 (+ ULTIMATE.start_main_~x~4 (* 75 ULTIMATE.start_main_~y~4))), 71129#(<= 20280 (+ ULTIMATE.start_main_~x~4 (* 72 ULTIMATE.start_main_~y~4))), 71128#(<= 19992 (+ ULTIMATE.start_main_~x~4 (* 73 ULTIMATE.start_main_~y~4))), 71131#(<= 20844 (+ ULTIMATE.start_main_~x~4 (* 70 ULTIMATE.start_main_~y~4))), 71130#(<= 20564 (+ ULTIMATE.start_main_~x~4 (* 71 ULTIMATE.start_main_~y~4))), 71133#(<= 21392 (+ ULTIMATE.start_main_~x~4 (* 68 ULTIMATE.start_main_~y~4))), 71132#(<= 21120 (+ ULTIMATE.start_main_~x~4 (* 69 ULTIMATE.start_main_~y~4))), 71135#(<= 21924 (+ ULTIMATE.start_main_~x~4 (* 66 ULTIMATE.start_main_~y~4))), 71134#(<= 21660 (+ ULTIMATE.start_main_~x~4 (* 67 ULTIMATE.start_main_~y~4))), 71137#(<= 22440 (+ ULTIMATE.start_main_~x~4 (* 64 ULTIMATE.start_main_~y~4))), 71136#(<= 22184 (+ ULTIMATE.start_main_~x~4 (* 65 ULTIMATE.start_main_~y~4))), 71139#(<= 22940 (+ ULTIMATE.start_main_~x~4 (* 62 ULTIMATE.start_main_~y~4))), 71138#(<= 22692 (+ ULTIMATE.start_main_~x~4 (* 63 ULTIMATE.start_main_~y~4))), 71141#(<= 23424 (+ ULTIMATE.start_main_~x~4 (* 60 ULTIMATE.start_main_~y~4))), 71140#(<= 23184 (+ ULTIMATE.start_main_~x~4 (* 61 ULTIMATE.start_main_~y~4))), 71143#(<= 23892 (+ ULTIMATE.start_main_~x~4 (* 58 ULTIMATE.start_main_~y~4))), 71142#(<= 23660 (+ ULTIMATE.start_main_~x~4 (* 59 ULTIMATE.start_main_~y~4))), 71145#(<= 24344 (+ ULTIMATE.start_main_~x~4 (* 56 ULTIMATE.start_main_~y~4))), 71144#(<= 24120 (+ ULTIMATE.start_main_~x~4 (* 57 ULTIMATE.start_main_~y~4))), 71147#(<= 24780 (+ ULTIMATE.start_main_~x~4 (* 54 ULTIMATE.start_main_~y~4))), 71146#(<= 24564 (+ ULTIMATE.start_main_~x~4 (* 55 ULTIMATE.start_main_~y~4))), 71149#(<= 25200 (+ ULTIMATE.start_main_~x~4 (* 52 ULTIMATE.start_main_~y~4))), 71148#(<= 24992 (+ ULTIMATE.start_main_~x~4 (* 53 ULTIMATE.start_main_~y~4))), 71151#(<= 25604 (+ ULTIMATE.start_main_~x~4 (* 50 ULTIMATE.start_main_~y~4))), 71150#(<= 25404 (+ ULTIMATE.start_main_~x~4 (* 51 ULTIMATE.start_main_~y~4))), 71153#(<= 25992 (+ ULTIMATE.start_main_~x~4 (* 48 ULTIMATE.start_main_~y~4))), 71152#(<= 25800 (+ ULTIMATE.start_main_~x~4 (* 49 ULTIMATE.start_main_~y~4))), 71155#(<= 26364 (+ ULTIMATE.start_main_~x~4 (* 46 ULTIMATE.start_main_~y~4))), 71154#(<= 26180 (+ ULTIMATE.start_main_~x~4 (* 47 ULTIMATE.start_main_~y~4))), 71157#(<= 26720 (+ ULTIMATE.start_main_~x~4 (* 44 ULTIMATE.start_main_~y~4))), 71156#(<= 26544 (+ ULTIMATE.start_main_~x~4 (* 45 ULTIMATE.start_main_~y~4))), 71159#(<= 27060 (+ ULTIMATE.start_main_~x~4 (* 42 ULTIMATE.start_main_~y~4))), 71158#(<= 26892 (+ ULTIMATE.start_main_~x~4 (* 43 ULTIMATE.start_main_~y~4))), 71161#(<= 27384 (+ ULTIMATE.start_main_~x~4 (* 40 ULTIMATE.start_main_~y~4))), 71160#(<= 27224 (+ ULTIMATE.start_main_~x~4 (* 41 ULTIMATE.start_main_~y~4))), 71163#(<= 27692 (+ ULTIMATE.start_main_~x~4 (* 38 ULTIMATE.start_main_~y~4))), 71162#(<= 27540 (+ ULTIMATE.start_main_~x~4 (* 39 ULTIMATE.start_main_~y~4))), 71165#(<= 27984 (+ ULTIMATE.start_main_~x~4 (* 36 ULTIMATE.start_main_~y~4))), 71164#(<= 27840 (+ ULTIMATE.start_main_~x~4 (* 37 ULTIMATE.start_main_~y~4))), 71167#(<= 28260 (+ ULTIMATE.start_main_~x~4 (* 34 ULTIMATE.start_main_~y~4))), 71166#(<= 28124 (+ ULTIMATE.start_main_~x~4 (* 35 ULTIMATE.start_main_~y~4)))] [2018-07-23 13:44:36,236 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 13:44:36,236 INFO L450 AbstractCegarLoop]: Interpolant automaton has 126 states [2018-07-23 13:44:36,236 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 126 interpolants. [2018-07-23 13:44:36,236 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=249, Invalid=15501, Unknown=0, NotChecked=0, Total=15750 [2018-07-23 13:44:36,236 INFO L87 Difference]: Start difference. First operand 249 states and 249 transitions. Second operand 126 states. [2018-07-23 13:44:38,677 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-07-23 13:44:38,678 INFO L93 Difference]: Finished difference Result 254 states and 254 transitions. [2018-07-23 13:44:38,678 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 126 states. [2018-07-23 13:44:38,678 INFO L78 Accepts]: Start accepts. Automaton has 126 states. Word has length 248 [2018-07-23 13:44:38,678 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-07-23 13:44:38,679 INFO L225 Difference]: With dead ends: 254 [2018-07-23 13:44:38,679 INFO L226 Difference]: Without dead ends: 252 [2018-07-23 13:44:38,679 INFO L575 BasicCegarLoop]: 0 DeclaredPredicates, 125 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 124 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.7s TimeCoverageRelationStatistics Valid=249, Invalid=15501, Unknown=0, NotChecked=0, Total=15750 [2018-07-23 13:44:38,680 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 252 states. [2018-07-23 13:44:38,789 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 252 to 251. [2018-07-23 13:44:38,790 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 251 states. [2018-07-23 13:44:38,790 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 251 states to 251 states and 251 transitions. [2018-07-23 13:44:38,790 INFO L78 Accepts]: Start accepts. Automaton has 251 states and 251 transitions. Word has length 248 [2018-07-23 13:44:38,790 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-07-23 13:44:38,791 INFO L471 AbstractCegarLoop]: Abstraction has 251 states and 251 transitions. [2018-07-23 13:44:38,791 INFO L472 AbstractCegarLoop]: Interpolant automaton has 126 states. [2018-07-23 13:44:38,791 INFO L276 IsEmpty]: Start isEmpty. Operand 251 states and 251 transitions. [2018-07-23 13:44:38,792 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 251 [2018-07-23 13:44:38,792 INFO L349 BasicCegarLoop]: Found error trace [2018-07-23 13:44:38,792 INFO L357 BasicCegarLoop]: trace histogram [124, 123, 1, 1, 1] [2018-07-23 13:44:38,792 INFO L414 AbstractCegarLoop]: === Iteration 124 === [ULTIMATE.startErr0AssertViolationASSERT]=== [2018-07-23 13:44:38,792 INFO L82 PathProgramCache]: Analyzing trace with hash 1086579177, now seen corresponding path program 123 times [2018-07-23 13:44:38,792 INFO L69 tionRefinementEngine]: Using refinement strategy FixedRefinementStrategy [2018-07-23 13:44:39,241 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-07-23 13:44:40,966 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 13:44:40,966 INFO L309 seRefinementStrategy]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2018-07-23 13:44:40,966 INFO L324 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [126] total 126 [2018-07-23 13:44:40,966 INFO L142 lantAutomatonBuilder]: Constructing canonical interpolant automaton, with selfloop in false state [2018-07-23 13:44:40,967 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-07-23 13:44:40,967 INFO L185 omatonBuilderFactory]: Interpolants [72213#false, 72212#true, 72215#(<= 988 (+ ULTIMATE.start_main_~x~4 (* 123 ULTIMATE.start_main_~y~4))), 72214#(<= 496 (+ ULTIMATE.start_main_~x~4 (* 124 ULTIMATE.start_main_~y~4))), 72217#(<= 1960 (+ ULTIMATE.start_main_~x~4 (* 121 ULTIMATE.start_main_~y~4))), 72216#(<= 1476 (+ ULTIMATE.start_main_~x~4 (* 122 ULTIMATE.start_main_~y~4))), 72219#(<= 2916 (+ ULTIMATE.start_main_~x~4 (* 119 ULTIMATE.start_main_~y~4))), 72218#(<= 2440 (+ ULTIMATE.start_main_~x~4 (* 120 ULTIMATE.start_main_~y~4))), 72221#(<= 3856 (+ ULTIMATE.start_main_~x~4 (* 117 ULTIMATE.start_main_~y~4))), 72220#(<= 3388 (+ ULTIMATE.start_main_~x~4 (* 118 ULTIMATE.start_main_~y~4))), 72223#(<= 4780 (+ ULTIMATE.start_main_~x~4 (* 115 ULTIMATE.start_main_~y~4))), 72222#(<= 4320 (+ ULTIMATE.start_main_~x~4 (* 116 ULTIMATE.start_main_~y~4))), 72225#(<= 5688 (+ ULTIMATE.start_main_~x~4 (* 113 ULTIMATE.start_main_~y~4))), 72224#(<= 5236 (+ ULTIMATE.start_main_~x~4 (* 114 ULTIMATE.start_main_~y~4))), 72227#(<= 6580 (+ ULTIMATE.start_main_~x~4 (* 111 ULTIMATE.start_main_~y~4))), 72226#(<= 6136 (+ ULTIMATE.start_main_~x~4 (* 112 ULTIMATE.start_main_~y~4))), 72229#(<= 7456 (+ ULTIMATE.start_main_~x~4 (* 109 ULTIMATE.start_main_~y~4))), 72228#(<= 7020 (+ ULTIMATE.start_main_~x~4 (* 110 ULTIMATE.start_main_~y~4))), 72231#(<= 8316 (+ ULTIMATE.start_main_~x~4 (* 107 ULTIMATE.start_main_~y~4))), 72230#(<= 7888 (+ ULTIMATE.start_main_~x~4 (* 108 ULTIMATE.start_main_~y~4))), 72233#(<= 9160 (+ ULTIMATE.start_main_~x~4 (* 105 ULTIMATE.start_main_~y~4))), 72232#(<= 8740 (+ ULTIMATE.start_main_~x~4 (* 106 ULTIMATE.start_main_~y~4))), 72235#(<= 9988 (+ ULTIMATE.start_main_~x~4 (* 103 ULTIMATE.start_main_~y~4))), 72234#(<= 9576 (+ ULTIMATE.start_main_~x~4 (* 104 ULTIMATE.start_main_~y~4))), 72237#(<= 10800 (+ ULTIMATE.start_main_~x~4 (* 101 ULTIMATE.start_main_~y~4))), 72236#(<= 10396 (+ ULTIMATE.start_main_~x~4 (* 102 ULTIMATE.start_main_~y~4))), 72239#(<= 11596 (+ ULTIMATE.start_main_~x~4 (* 99 ULTIMATE.start_main_~y~4))), 72238#(<= 11200 (+ ULTIMATE.start_main_~x~4 (* 100 ULTIMATE.start_main_~y~4))), 72241#(<= 12376 (+ ULTIMATE.start_main_~x~4 (* 97 ULTIMATE.start_main_~y~4))), 72240#(<= 11988 (+ ULTIMATE.start_main_~x~4 (* 98 ULTIMATE.start_main_~y~4))), 72243#(<= 13140 (+ ULTIMATE.start_main_~x~4 (* 95 ULTIMATE.start_main_~y~4))), 72242#(<= 12760 (+ ULTIMATE.start_main_~x~4 (* 96 ULTIMATE.start_main_~y~4))), 72245#(<= 13888 (+ ULTIMATE.start_main_~x~4 (* 93 ULTIMATE.start_main_~y~4))), 72244#(<= 13516 (+ ULTIMATE.start_main_~x~4 (* 94 ULTIMATE.start_main_~y~4))), 72247#(<= 14620 (+ ULTIMATE.start_main_~x~4 (* 91 ULTIMATE.start_main_~y~4))), 72246#(<= 14256 (+ ULTIMATE.start_main_~x~4 (* 92 ULTIMATE.start_main_~y~4))), 72249#(<= 15336 (+ ULTIMATE.start_main_~x~4 (* 89 ULTIMATE.start_main_~y~4))), 72248#(<= 14980 (+ ULTIMATE.start_main_~x~4 (* 90 ULTIMATE.start_main_~y~4))), 72251#(<= 16036 (+ ULTIMATE.start_main_~x~4 (* 87 ULTIMATE.start_main_~y~4))), 72250#(<= 15688 (+ ULTIMATE.start_main_~x~4 (* 88 ULTIMATE.start_main_~y~4))), 72253#(<= 16720 (+ ULTIMATE.start_main_~x~4 (* 85 ULTIMATE.start_main_~y~4))), 72252#(<= 16380 (+ ULTIMATE.start_main_~x~4 (* 86 ULTIMATE.start_main_~y~4))), 72255#(<= 17388 (+ ULTIMATE.start_main_~x~4 (* 83 ULTIMATE.start_main_~y~4))), 72254#(<= 17056 (+ ULTIMATE.start_main_~x~4 (* 84 ULTIMATE.start_main_~y~4))), 72257#(<= 18040 (+ ULTIMATE.start_main_~x~4 (* 81 ULTIMATE.start_main_~y~4))), 72256#(<= 17716 (+ ULTIMATE.start_main_~x~4 (* 82 ULTIMATE.start_main_~y~4))), 72259#(<= 18676 (+ ULTIMATE.start_main_~x~4 (* 79 ULTIMATE.start_main_~y~4))), 72258#(<= 18360 (+ ULTIMATE.start_main_~x~4 (* 80 ULTIMATE.start_main_~y~4))), 72261#(<= 19296 (+ ULTIMATE.start_main_~x~4 (* 77 ULTIMATE.start_main_~y~4))), 72260#(<= 18988 (+ ULTIMATE.start_main_~x~4 (* 78 ULTIMATE.start_main_~y~4))), 72263#(<= 19900 (+ ULTIMATE.start_main_~x~4 (* 75 ULTIMATE.start_main_~y~4))), 72262#(<= 19600 (+ ULTIMATE.start_main_~x~4 (* 76 ULTIMATE.start_main_~y~4))), 72265#(<= 20488 (+ ULTIMATE.start_main_~x~4 (* 73 ULTIMATE.start_main_~y~4))), 72264#(<= 20196 (+ ULTIMATE.start_main_~x~4 (* 74 ULTIMATE.start_main_~y~4))), 72267#(<= 21060 (+ ULTIMATE.start_main_~x~4 (* 71 ULTIMATE.start_main_~y~4))), 72266#(<= 20776 (+ ULTIMATE.start_main_~x~4 (* 72 ULTIMATE.start_main_~y~4))), 72269#(<= 21616 (+ ULTIMATE.start_main_~x~4 (* 69 ULTIMATE.start_main_~y~4))), 72268#(<= 21340 (+ ULTIMATE.start_main_~x~4 (* 70 ULTIMATE.start_main_~y~4))), 72271#(<= 22156 (+ ULTIMATE.start_main_~x~4 (* 67 ULTIMATE.start_main_~y~4))), 72270#(<= 21888 (+ ULTIMATE.start_main_~x~4 (* 68 ULTIMATE.start_main_~y~4))), 72273#(<= 22680 (+ ULTIMATE.start_main_~x~4 (* 65 ULTIMATE.start_main_~y~4))), 72272#(<= 22420 (+ ULTIMATE.start_main_~x~4 (* 66 ULTIMATE.start_main_~y~4))), 72275#(<= 23188 (+ ULTIMATE.start_main_~x~4 (* 63 ULTIMATE.start_main_~y~4))), 72274#(<= 22936 (+ ULTIMATE.start_main_~x~4 (* 64 ULTIMATE.start_main_~y~4))), 72277#(<= 23680 (+ ULTIMATE.start_main_~x~4 (* 61 ULTIMATE.start_main_~y~4))), 72276#(<= 23436 (+ ULTIMATE.start_main_~x~4 (* 62 ULTIMATE.start_main_~y~4))), 72279#(<= 24156 (+ ULTIMATE.start_main_~x~4 (* 59 ULTIMATE.start_main_~y~4))), 72278#(<= 23920 (+ ULTIMATE.start_main_~x~4 (* 60 ULTIMATE.start_main_~y~4))), 72281#(<= 24616 (+ ULTIMATE.start_main_~x~4 (* 57 ULTIMATE.start_main_~y~4))), 72280#(<= 24388 (+ ULTIMATE.start_main_~x~4 (* 58 ULTIMATE.start_main_~y~4))), 72283#(<= 25060 (+ ULTIMATE.start_main_~x~4 (* 55 ULTIMATE.start_main_~y~4))), 72282#(<= 24840 (+ ULTIMATE.start_main_~x~4 (* 56 ULTIMATE.start_main_~y~4))), 72285#(<= 25488 (+ ULTIMATE.start_main_~x~4 (* 53 ULTIMATE.start_main_~y~4))), 72284#(<= 25276 (+ ULTIMATE.start_main_~x~4 (* 54 ULTIMATE.start_main_~y~4))), 72287#(<= 25900 (+ ULTIMATE.start_main_~x~4 (* 51 ULTIMATE.start_main_~y~4))), 72286#(<= 25696 (+ ULTIMATE.start_main_~x~4 (* 52 ULTIMATE.start_main_~y~4))), 72289#(<= 26296 (+ ULTIMATE.start_main_~x~4 (* 49 ULTIMATE.start_main_~y~4))), 72288#(<= 26100 (+ ULTIMATE.start_main_~x~4 (* 50 ULTIMATE.start_main_~y~4))), 72291#(<= 26676 (+ ULTIMATE.start_main_~x~4 (* 47 ULTIMATE.start_main_~y~4))), 72290#(<= 26488 (+ ULTIMATE.start_main_~x~4 (* 48 ULTIMATE.start_main_~y~4))), 72293#(<= 27040 (+ ULTIMATE.start_main_~x~4 (* 45 ULTIMATE.start_main_~y~4))), 72292#(<= 26860 (+ ULTIMATE.start_main_~x~4 (* 46 ULTIMATE.start_main_~y~4))), 72295#(<= 27388 (+ ULTIMATE.start_main_~x~4 (* 43 ULTIMATE.start_main_~y~4))), 72294#(<= 27216 (+ ULTIMATE.start_main_~x~4 (* 44 ULTIMATE.start_main_~y~4))), 72297#(<= 27720 (+ ULTIMATE.start_main_~x~4 (* 41 ULTIMATE.start_main_~y~4))), 72296#(<= 27556 (+ ULTIMATE.start_main_~x~4 (* 42 ULTIMATE.start_main_~y~4))), 72299#(<= 28036 (+ ULTIMATE.start_main_~x~4 (* 39 ULTIMATE.start_main_~y~4))), 72298#(<= 27880 (+ ULTIMATE.start_main_~x~4 (* 40 ULTIMATE.start_main_~y~4))), 72301#(<= 28336 (+ ULTIMATE.start_main_~x~4 (* 37 ULTIMATE.start_main_~y~4))), 72300#(<= 28188 (+ ULTIMATE.start_main_~x~4 (* 38 ULTIMATE.start_main_~y~4))), 72303#(<= 28620 (+ ULTIMATE.start_main_~x~4 (* 35 ULTIMATE.start_main_~y~4))), 72302#(<= 28480 (+ ULTIMATE.start_main_~x~4 (* 36 ULTIMATE.start_main_~y~4))), 72305#(<= 28888 (+ ULTIMATE.start_main_~x~4 (* 33 ULTIMATE.start_main_~y~4))), 72304#(<= 28756 (+ ULTIMATE.start_main_~x~4 (* 34 ULTIMATE.start_main_~y~4))), 72307#(<= 29140 (+ ULTIMATE.start_main_~x~4 (* 31 ULTIMATE.start_main_~y~4))), 72306#(<= 29016 (+ ULTIMATE.start_main_~x~4 (* 32 ULTIMATE.start_main_~y~4))), 72309#(<= 29376 (+ ULTIMATE.start_main_~x~4 (* 29 ULTIMATE.start_main_~y~4))), 72308#(<= 29260 (+ ULTIMATE.start_main_~x~4 (* 30 ULTIMATE.start_main_~y~4))), 72311#(<= 29596 (+ ULTIMATE.start_main_~x~4 (* 27 ULTIMATE.start_main_~y~4))), 72310#(<= 29488 (+ ULTIMATE.start_main_~x~4 (* 28 ULTIMATE.start_main_~y~4))), 72313#(<= 29800 (+ ULTIMATE.start_main_~x~4 (* 25 ULTIMATE.start_main_~y~4))), 72312#(<= 29700 (+ ULTIMATE.start_main_~x~4 (* 26 ULTIMATE.start_main_~y~4))), 72315#(<= 29988 (+ ULTIMATE.start_main_~x~4 (* 23 ULTIMATE.start_main_~y~4))), 72314#(<= 29896 (+ ULTIMATE.start_main_~x~4 (* 24 ULTIMATE.start_main_~y~4))), 72317#(<= 30160 (+ ULTIMATE.start_main_~x~4 (* 21 ULTIMATE.start_main_~y~4))), 72316#(<= 30076 (+ ULTIMATE.start_main_~x~4 (* 22 ULTIMATE.start_main_~y~4))), 72319#(<= 30316 (+ ULTIMATE.start_main_~x~4 (* 19 ULTIMATE.start_main_~y~4))), 72318#(<= 30240 (+ ULTIMATE.start_main_~x~4 (* 20 ULTIMATE.start_main_~y~4))), 72321#(<= 30456 (+ ULTIMATE.start_main_~x~4 (* 17 ULTIMATE.start_main_~y~4))), 72320#(<= 30388 (+ ULTIMATE.start_main_~x~4 (* 18 ULTIMATE.start_main_~y~4))), 72323#(<= 30580 (+ ULTIMATE.start_main_~x~4 (* 15 ULTIMATE.start_main_~y~4))), 72322#(<= 30520 (+ ULTIMATE.start_main_~x~4 (* 16 ULTIMATE.start_main_~y~4))), 72325#(<= 30688 (+ ULTIMATE.start_main_~x~4 (* 13 ULTIMATE.start_main_~y~4))), 72324#(<= 30636 (+ ULTIMATE.start_main_~x~4 (* 14 ULTIMATE.start_main_~y~4))), 72327#(<= 30780 (+ ULTIMATE.start_main_~x~4 (* 11 ULTIMATE.start_main_~y~4))), 72326#(<= 30736 (+ ULTIMATE.start_main_~x~4 (* 12 ULTIMATE.start_main_~y~4))), 72329#(<= 30856 (+ ULTIMATE.start_main_~x~4 (* 9 ULTIMATE.start_main_~y~4))), 72328#(<= 30820 (+ ULTIMATE.start_main_~x~4 (* 10 ULTIMATE.start_main_~y~4))), 72331#(<= 30916 (+ ULTIMATE.start_main_~x~4 (* 7 ULTIMATE.start_main_~y~4))), 72330#(<= 30888 (+ ULTIMATE.start_main_~x~4 (* 8 ULTIMATE.start_main_~y~4))), 72333#(<= 30960 (+ ULTIMATE.start_main_~x~4 (* 5 ULTIMATE.start_main_~y~4))), 72332#(<= 30940 (+ ULTIMATE.start_main_~x~4 (* 6 ULTIMATE.start_main_~y~4))), 72335#(<= 30988 (+ ULTIMATE.start_main_~x~4 (* 3 ULTIMATE.start_main_~y~4))), 72334#(<= 30976 (+ ULTIMATE.start_main_~x~4 (* 4 ULTIMATE.start_main_~y~4))), 72337#(<= 31000 (+ ULTIMATE.start_main_~x~4 ULTIMATE.start_main_~y~4)), 72336#(<= 30996 (+ ULTIMATE.start_main_~x~4 (* 2 ULTIMATE.start_main_~y~4))), 72338#(<= 1 ULTIMATE.start___VERIFIER_assert_~cond)] [2018-07-23 13:44:40,968 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 13:44:40,968 INFO L450 AbstractCegarLoop]: Interpolant automaton has 127 states [2018-07-23 13:44:40,968 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 127 interpolants. [2018-07-23 13:44:40,969 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=251, Invalid=15751, Unknown=0, NotChecked=0, Total=16002 [2018-07-23 13:44:40,969 INFO L87 Difference]: Start difference. First operand 251 states and 251 transitions. Second operand 127 states. [2018-07-23 13:44:43,630 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-07-23 13:44:43,631 INFO L93 Difference]: Finished difference Result 256 states and 256 transitions. [2018-07-23 13:44:43,631 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 127 states. [2018-07-23 13:44:43,631 INFO L78 Accepts]: Start accepts. Automaton has 127 states. Word has length 250 [2018-07-23 13:44:43,631 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-07-23 13:44:43,631 INFO L225 Difference]: With dead ends: 256 [2018-07-23 13:44:43,632 INFO L226 Difference]: Without dead ends: 254 [2018-07-23 13:44:43,632 INFO L575 BasicCegarLoop]: 0 DeclaredPredicates, 126 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 125 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.7s TimeCoverageRelationStatistics Valid=251, Invalid=15751, Unknown=0, NotChecked=0, Total=16002 [2018-07-23 13:44:43,632 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 254 states. [2018-07-23 13:44:43,739 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 254 to 253. [2018-07-23 13:44:43,740 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 253 states. [2018-07-23 13:44:43,740 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 253 states to 253 states and 253 transitions. [2018-07-23 13:44:43,740 INFO L78 Accepts]: Start accepts. Automaton has 253 states and 253 transitions. Word has length 250 [2018-07-23 13:44:43,740 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-07-23 13:44:43,740 INFO L471 AbstractCegarLoop]: Abstraction has 253 states and 253 transitions. [2018-07-23 13:44:43,740 INFO L472 AbstractCegarLoop]: Interpolant automaton has 127 states. [2018-07-23 13:44:43,741 INFO L276 IsEmpty]: Start isEmpty. Operand 253 states and 253 transitions. [2018-07-23 13:44:43,741 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 253 [2018-07-23 13:44:43,741 INFO L349 BasicCegarLoop]: Found error trace [2018-07-23 13:44:43,741 INFO L357 BasicCegarLoop]: trace histogram [125, 124, 1, 1, 1] [2018-07-23 13:44:43,741 INFO L414 AbstractCegarLoop]: === Iteration 125 === [ULTIMATE.startErr0AssertViolationASSERT]=== [2018-07-23 13:44:43,742 INFO L82 PathProgramCache]: Analyzing trace with hash 525482867, now seen corresponding path program 124 times [2018-07-23 13:44:43,742 INFO L69 tionRefinementEngine]: Using refinement strategy FixedRefinementStrategy [2018-07-23 13:44:44,138 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-07-23 13:44:45,957 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 13:44:45,958 INFO L309 seRefinementStrategy]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2018-07-23 13:44:45,958 INFO L324 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [127] total 127 [2018-07-23 13:44:45,958 INFO L142 lantAutomatonBuilder]: Constructing canonical interpolant automaton, with selfloop in false state [2018-07-23 13:44:45,958 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-07-23 13:44:45,958 INFO L185 omatonBuilderFactory]: Interpolants [73473#(<= 31280 (+ ULTIMATE.start_main_~x~4 (* 11 ULTIMATE.start_main_~y~4))), 73472#(<= 31236 (+ ULTIMATE.start_main_~x~4 (* 12 ULTIMATE.start_main_~y~4))), 73475#(<= 31356 (+ ULTIMATE.start_main_~x~4 (* 9 ULTIMATE.start_main_~y~4))), 73474#(<= 31320 (+ ULTIMATE.start_main_~x~4 (* 10 ULTIMATE.start_main_~y~4))), 73477#(<= 31416 (+ ULTIMATE.start_main_~x~4 (* 7 ULTIMATE.start_main_~y~4))), 73476#(<= 31388 (+ ULTIMATE.start_main_~x~4 (* 8 ULTIMATE.start_main_~y~4))), 73479#(<= 31460 (+ ULTIMATE.start_main_~x~4 (* 5 ULTIMATE.start_main_~y~4))), 73478#(<= 31440 (+ ULTIMATE.start_main_~x~4 (* 6 ULTIMATE.start_main_~y~4))), 73481#(<= 31488 (+ ULTIMATE.start_main_~x~4 (* 3 ULTIMATE.start_main_~y~4))), 73480#(<= 31476 (+ ULTIMATE.start_main_~x~4 (* 4 ULTIMATE.start_main_~y~4))), 73483#(<= 31500 (+ ULTIMATE.start_main_~x~4 ULTIMATE.start_main_~y~4)), 73482#(<= 31496 (+ ULTIMATE.start_main_~x~4 (* 2 ULTIMATE.start_main_~y~4))), 73484#(<= 1 ULTIMATE.start___VERIFIER_assert_~cond), 73357#true, 73359#(<= 500 (+ ULTIMATE.start_main_~x~4 (* 125 ULTIMATE.start_main_~y~4))), 73358#false, 73361#(<= 1488 (+ ULTIMATE.start_main_~x~4 (* 123 ULTIMATE.start_main_~y~4))), 73360#(<= 996 (+ ULTIMATE.start_main_~x~4 (* 124 ULTIMATE.start_main_~y~4))), 73363#(<= 2460 (+ ULTIMATE.start_main_~x~4 (* 121 ULTIMATE.start_main_~y~4))), 73362#(<= 1976 (+ ULTIMATE.start_main_~x~4 (* 122 ULTIMATE.start_main_~y~4))), 73365#(<= 3416 (+ ULTIMATE.start_main_~x~4 (* 119 ULTIMATE.start_main_~y~4))), 73364#(<= 2940 (+ ULTIMATE.start_main_~x~4 (* 120 ULTIMATE.start_main_~y~4))), 73367#(<= 4356 (+ ULTIMATE.start_main_~x~4 (* 117 ULTIMATE.start_main_~y~4))), 73366#(<= 3888 (+ ULTIMATE.start_main_~x~4 (* 118 ULTIMATE.start_main_~y~4))), 73369#(<= 5280 (+ ULTIMATE.start_main_~x~4 (* 115 ULTIMATE.start_main_~y~4))), 73368#(<= 4820 (+ ULTIMATE.start_main_~x~4 (* 116 ULTIMATE.start_main_~y~4))), 73371#(<= 6188 (+ ULTIMATE.start_main_~x~4 (* 113 ULTIMATE.start_main_~y~4))), 73370#(<= 5736 (+ ULTIMATE.start_main_~x~4 (* 114 ULTIMATE.start_main_~y~4))), 73373#(<= 7080 (+ ULTIMATE.start_main_~x~4 (* 111 ULTIMATE.start_main_~y~4))), 73372#(<= 6636 (+ ULTIMATE.start_main_~x~4 (* 112 ULTIMATE.start_main_~y~4))), 73375#(<= 7956 (+ ULTIMATE.start_main_~x~4 (* 109 ULTIMATE.start_main_~y~4))), 73374#(<= 7520 (+ ULTIMATE.start_main_~x~4 (* 110 ULTIMATE.start_main_~y~4))), 73377#(<= 8816 (+ ULTIMATE.start_main_~x~4 (* 107 ULTIMATE.start_main_~y~4))), 73376#(<= 8388 (+ ULTIMATE.start_main_~x~4 (* 108 ULTIMATE.start_main_~y~4))), 73379#(<= 9660 (+ ULTIMATE.start_main_~x~4 (* 105 ULTIMATE.start_main_~y~4))), 73378#(<= 9240 (+ ULTIMATE.start_main_~x~4 (* 106 ULTIMATE.start_main_~y~4))), 73381#(<= 10488 (+ ULTIMATE.start_main_~x~4 (* 103 ULTIMATE.start_main_~y~4))), 73380#(<= 10076 (+ ULTIMATE.start_main_~x~4 (* 104 ULTIMATE.start_main_~y~4))), 73383#(<= 11300 (+ ULTIMATE.start_main_~x~4 (* 101 ULTIMATE.start_main_~y~4))), 73382#(<= 10896 (+ ULTIMATE.start_main_~x~4 (* 102 ULTIMATE.start_main_~y~4))), 73385#(<= 12096 (+ ULTIMATE.start_main_~x~4 (* 99 ULTIMATE.start_main_~y~4))), 73384#(<= 11700 (+ ULTIMATE.start_main_~x~4 (* 100 ULTIMATE.start_main_~y~4))), 73387#(<= 12876 (+ ULTIMATE.start_main_~x~4 (* 97 ULTIMATE.start_main_~y~4))), 73386#(<= 12488 (+ ULTIMATE.start_main_~x~4 (* 98 ULTIMATE.start_main_~y~4))), 73389#(<= 13640 (+ ULTIMATE.start_main_~x~4 (* 95 ULTIMATE.start_main_~y~4))), 73388#(<= 13260 (+ ULTIMATE.start_main_~x~4 (* 96 ULTIMATE.start_main_~y~4))), 73391#(<= 14388 (+ ULTIMATE.start_main_~x~4 (* 93 ULTIMATE.start_main_~y~4))), 73390#(<= 14016 (+ ULTIMATE.start_main_~x~4 (* 94 ULTIMATE.start_main_~y~4))), 73393#(<= 15120 (+ ULTIMATE.start_main_~x~4 (* 91 ULTIMATE.start_main_~y~4))), 73392#(<= 14756 (+ ULTIMATE.start_main_~x~4 (* 92 ULTIMATE.start_main_~y~4))), 73395#(<= 15836 (+ ULTIMATE.start_main_~x~4 (* 89 ULTIMATE.start_main_~y~4))), 73394#(<= 15480 (+ ULTIMATE.start_main_~x~4 (* 90 ULTIMATE.start_main_~y~4))), 73397#(<= 16536 (+ ULTIMATE.start_main_~x~4 (* 87 ULTIMATE.start_main_~y~4))), 73396#(<= 16188 (+ ULTIMATE.start_main_~x~4 (* 88 ULTIMATE.start_main_~y~4))), 73399#(<= 17220 (+ ULTIMATE.start_main_~x~4 (* 85 ULTIMATE.start_main_~y~4))), 73398#(<= 16880 (+ ULTIMATE.start_main_~x~4 (* 86 ULTIMATE.start_main_~y~4))), 73401#(<= 17888 (+ ULTIMATE.start_main_~x~4 (* 83 ULTIMATE.start_main_~y~4))), 73400#(<= 17556 (+ ULTIMATE.start_main_~x~4 (* 84 ULTIMATE.start_main_~y~4))), 73403#(<= 18540 (+ ULTIMATE.start_main_~x~4 (* 81 ULTIMATE.start_main_~y~4))), 73402#(<= 18216 (+ ULTIMATE.start_main_~x~4 (* 82 ULTIMATE.start_main_~y~4))), 73405#(<= 19176 (+ ULTIMATE.start_main_~x~4 (* 79 ULTIMATE.start_main_~y~4))), 73404#(<= 18860 (+ ULTIMATE.start_main_~x~4 (* 80 ULTIMATE.start_main_~y~4))), 73407#(<= 19796 (+ ULTIMATE.start_main_~x~4 (* 77 ULTIMATE.start_main_~y~4))), 73406#(<= 19488 (+ ULTIMATE.start_main_~x~4 (* 78 ULTIMATE.start_main_~y~4))), 73409#(<= 20400 (+ ULTIMATE.start_main_~x~4 (* 75 ULTIMATE.start_main_~y~4))), 73408#(<= 20100 (+ ULTIMATE.start_main_~x~4 (* 76 ULTIMATE.start_main_~y~4))), 73411#(<= 20988 (+ ULTIMATE.start_main_~x~4 (* 73 ULTIMATE.start_main_~y~4))), 73410#(<= 20696 (+ ULTIMATE.start_main_~x~4 (* 74 ULTIMATE.start_main_~y~4))), 73413#(<= 21560 (+ ULTIMATE.start_main_~x~4 (* 71 ULTIMATE.start_main_~y~4))), 73412#(<= 21276 (+ ULTIMATE.start_main_~x~4 (* 72 ULTIMATE.start_main_~y~4))), 73415#(<= 22116 (+ ULTIMATE.start_main_~x~4 (* 69 ULTIMATE.start_main_~y~4))), 73414#(<= 21840 (+ ULTIMATE.start_main_~x~4 (* 70 ULTIMATE.start_main_~y~4))), 73417#(<= 22656 (+ ULTIMATE.start_main_~x~4 (* 67 ULTIMATE.start_main_~y~4))), 73416#(<= 22388 (+ ULTIMATE.start_main_~x~4 (* 68 ULTIMATE.start_main_~y~4))), 73419#(<= 23180 (+ ULTIMATE.start_main_~x~4 (* 65 ULTIMATE.start_main_~y~4))), 73418#(<= 22920 (+ ULTIMATE.start_main_~x~4 (* 66 ULTIMATE.start_main_~y~4))), 73421#(<= 23688 (+ ULTIMATE.start_main_~x~4 (* 63 ULTIMATE.start_main_~y~4))), 73420#(<= 23436 (+ ULTIMATE.start_main_~x~4 (* 64 ULTIMATE.start_main_~y~4))), 73423#(<= 24180 (+ ULTIMATE.start_main_~x~4 (* 61 ULTIMATE.start_main_~y~4))), 73422#(<= 23936 (+ ULTIMATE.start_main_~x~4 (* 62 ULTIMATE.start_main_~y~4))), 73425#(<= 24656 (+ ULTIMATE.start_main_~x~4 (* 59 ULTIMATE.start_main_~y~4))), 73424#(<= 24420 (+ ULTIMATE.start_main_~x~4 (* 60 ULTIMATE.start_main_~y~4))), 73427#(<= 25116 (+ ULTIMATE.start_main_~x~4 (* 57 ULTIMATE.start_main_~y~4))), 73426#(<= 24888 (+ ULTIMATE.start_main_~x~4 (* 58 ULTIMATE.start_main_~y~4))), 73429#(<= 25560 (+ ULTIMATE.start_main_~x~4 (* 55 ULTIMATE.start_main_~y~4))), 73428#(<= 25340 (+ ULTIMATE.start_main_~x~4 (* 56 ULTIMATE.start_main_~y~4))), 73431#(<= 25988 (+ ULTIMATE.start_main_~x~4 (* 53 ULTIMATE.start_main_~y~4))), 73430#(<= 25776 (+ ULTIMATE.start_main_~x~4 (* 54 ULTIMATE.start_main_~y~4))), 73433#(<= 26400 (+ ULTIMATE.start_main_~x~4 (* 51 ULTIMATE.start_main_~y~4))), 73432#(<= 26196 (+ ULTIMATE.start_main_~x~4 (* 52 ULTIMATE.start_main_~y~4))), 73435#(<= 26796 (+ ULTIMATE.start_main_~x~4 (* 49 ULTIMATE.start_main_~y~4))), 73434#(<= 26600 (+ ULTIMATE.start_main_~x~4 (* 50 ULTIMATE.start_main_~y~4))), 73437#(<= 27176 (+ ULTIMATE.start_main_~x~4 (* 47 ULTIMATE.start_main_~y~4))), 73436#(<= 26988 (+ ULTIMATE.start_main_~x~4 (* 48 ULTIMATE.start_main_~y~4))), 73439#(<= 27540 (+ ULTIMATE.start_main_~x~4 (* 45 ULTIMATE.start_main_~y~4))), 73438#(<= 27360 (+ ULTIMATE.start_main_~x~4 (* 46 ULTIMATE.start_main_~y~4))), 73441#(<= 27888 (+ ULTIMATE.start_main_~x~4 (* 43 ULTIMATE.start_main_~y~4))), 73440#(<= 27716 (+ ULTIMATE.start_main_~x~4 (* 44 ULTIMATE.start_main_~y~4))), 73443#(<= 28220 (+ ULTIMATE.start_main_~x~4 (* 41 ULTIMATE.start_main_~y~4))), 73442#(<= 28056 (+ ULTIMATE.start_main_~x~4 (* 42 ULTIMATE.start_main_~y~4))), 73445#(<= 28536 (+ ULTIMATE.start_main_~x~4 (* 39 ULTIMATE.start_main_~y~4))), 73444#(<= 28380 (+ ULTIMATE.start_main_~x~4 (* 40 ULTIMATE.start_main_~y~4))), 73447#(<= 28836 (+ ULTIMATE.start_main_~x~4 (* 37 ULTIMATE.start_main_~y~4))), 73446#(<= 28688 (+ ULTIMATE.start_main_~x~4 (* 38 ULTIMATE.start_main_~y~4))), 73449#(<= 29120 (+ ULTIMATE.start_main_~x~4 (* 35 ULTIMATE.start_main_~y~4))), 73448#(<= 28980 (+ ULTIMATE.start_main_~x~4 (* 36 ULTIMATE.start_main_~y~4))), 73451#(<= 29388 (+ ULTIMATE.start_main_~x~4 (* 33 ULTIMATE.start_main_~y~4))), 73450#(<= 29256 (+ ULTIMATE.start_main_~x~4 (* 34 ULTIMATE.start_main_~y~4))), 73453#(<= 29640 (+ ULTIMATE.start_main_~x~4 (* 31 ULTIMATE.start_main_~y~4))), 73452#(<= 29516 (+ ULTIMATE.start_main_~x~4 (* 32 ULTIMATE.start_main_~y~4))), 73455#(<= 29876 (+ ULTIMATE.start_main_~x~4 (* 29 ULTIMATE.start_main_~y~4))), 73454#(<= 29760 (+ ULTIMATE.start_main_~x~4 (* 30 ULTIMATE.start_main_~y~4))), 73457#(<= 30096 (+ ULTIMATE.start_main_~x~4 (* 27 ULTIMATE.start_main_~y~4))), 73456#(<= 29988 (+ ULTIMATE.start_main_~x~4 (* 28 ULTIMATE.start_main_~y~4))), 73459#(<= 30300 (+ ULTIMATE.start_main_~x~4 (* 25 ULTIMATE.start_main_~y~4))), 73458#(<= 30200 (+ ULTIMATE.start_main_~x~4 (* 26 ULTIMATE.start_main_~y~4))), 73461#(<= 30488 (+ ULTIMATE.start_main_~x~4 (* 23 ULTIMATE.start_main_~y~4))), 73460#(<= 30396 (+ ULTIMATE.start_main_~x~4 (* 24 ULTIMATE.start_main_~y~4))), 73463#(<= 30660 (+ ULTIMATE.start_main_~x~4 (* 21 ULTIMATE.start_main_~y~4))), 73462#(<= 30576 (+ ULTIMATE.start_main_~x~4 (* 22 ULTIMATE.start_main_~y~4))), 73465#(<= 30816 (+ ULTIMATE.start_main_~x~4 (* 19 ULTIMATE.start_main_~y~4))), 73464#(<= 30740 (+ ULTIMATE.start_main_~x~4 (* 20 ULTIMATE.start_main_~y~4))), 73467#(<= 30956 (+ ULTIMATE.start_main_~x~4 (* 17 ULTIMATE.start_main_~y~4))), 73466#(<= 30888 (+ ULTIMATE.start_main_~x~4 (* 18 ULTIMATE.start_main_~y~4))), 73469#(<= 31080 (+ ULTIMATE.start_main_~x~4 (* 15 ULTIMATE.start_main_~y~4))), 73468#(<= 31020 (+ ULTIMATE.start_main_~x~4 (* 16 ULTIMATE.start_main_~y~4))), 73471#(<= 31188 (+ ULTIMATE.start_main_~x~4 (* 13 ULTIMATE.start_main_~y~4))), 73470#(<= 31136 (+ ULTIMATE.start_main_~x~4 (* 14 ULTIMATE.start_main_~y~4)))] [2018-07-23 13:44:45,959 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 13:44:45,959 INFO L450 AbstractCegarLoop]: Interpolant automaton has 128 states [2018-07-23 13:44:45,959 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 128 interpolants. [2018-07-23 13:44:45,960 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=253, Invalid=16003, Unknown=0, NotChecked=0, Total=16256 [2018-07-23 13:44:45,960 INFO L87 Difference]: Start difference. First operand 253 states and 253 transitions. Second operand 128 states. [2018-07-23 13:44:48,583 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-07-23 13:44:48,584 INFO L93 Difference]: Finished difference Result 258 states and 258 transitions. [2018-07-23 13:44:48,584 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 128 states. [2018-07-23 13:44:48,584 INFO L78 Accepts]: Start accepts. Automaton has 128 states. Word has length 252 [2018-07-23 13:44:48,584 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-07-23 13:44:48,584 INFO L225 Difference]: With dead ends: 258 [2018-07-23 13:44:48,585 INFO L226 Difference]: Without dead ends: 256 [2018-07-23 13:44:48,585 INFO L575 BasicCegarLoop]: 0 DeclaredPredicates, 127 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 126 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.8s TimeCoverageRelationStatistics Valid=253, Invalid=16003, Unknown=0, NotChecked=0, Total=16256 [2018-07-23 13:44:48,585 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 256 states. [2018-07-23 13:44:48,694 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 256 to 255. [2018-07-23 13:44:48,694 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 255 states. [2018-07-23 13:44:48,694 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 255 states to 255 states and 255 transitions. [2018-07-23 13:44:48,695 INFO L78 Accepts]: Start accepts. Automaton has 255 states and 255 transitions. Word has length 252 [2018-07-23 13:44:48,695 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-07-23 13:44:48,695 INFO L471 AbstractCegarLoop]: Abstraction has 255 states and 255 transitions. [2018-07-23 13:44:48,695 INFO L472 AbstractCegarLoop]: Interpolant automaton has 128 states. [2018-07-23 13:44:48,695 INFO L276 IsEmpty]: Start isEmpty. Operand 255 states and 255 transitions. [2018-07-23 13:44:48,696 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 255 [2018-07-23 13:44:48,696 INFO L349 BasicCegarLoop]: Found error trace [2018-07-23 13:44:48,696 INFO L357 BasicCegarLoop]: trace histogram [126, 125, 1, 1, 1] [2018-07-23 13:44:48,696 INFO L414 AbstractCegarLoop]: === Iteration 126 === [ULTIMATE.startErr0AssertViolationASSERT]=== [2018-07-23 13:44:48,696 INFO L82 PathProgramCache]: Analyzing trace with hash -1817159043, now seen corresponding path program 125 times [2018-07-23 13:44:48,697 INFO L69 tionRefinementEngine]: Using refinement strategy FixedRefinementStrategy [2018-07-23 13:44:49,124 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-07-23 13:44:50,979 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 13:44:50,980 INFO L309 seRefinementStrategy]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2018-07-23 13:44:50,980 INFO L324 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [128] total 128 [2018-07-23 13:44:50,980 INFO L142 lantAutomatonBuilder]: Constructing canonical interpolant automaton, with selfloop in false state [2018-07-23 13:44:50,980 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-07-23 13:44:50,981 INFO L185 omatonBuilderFactory]: Interpolants [74511#true, 74513#(<= 504 (+ ULTIMATE.start_main_~x~4 (* 126 ULTIMATE.start_main_~y~4))), 74512#false, 74515#(<= 1500 (+ ULTIMATE.start_main_~x~4 (* 124 ULTIMATE.start_main_~y~4))), 74514#(<= 1004 (+ ULTIMATE.start_main_~x~4 (* 125 ULTIMATE.start_main_~y~4))), 74517#(<= 2480 (+ ULTIMATE.start_main_~x~4 (* 122 ULTIMATE.start_main_~y~4))), 74516#(<= 1992 (+ ULTIMATE.start_main_~x~4 (* 123 ULTIMATE.start_main_~y~4))), 74519#(<= 3444 (+ ULTIMATE.start_main_~x~4 (* 120 ULTIMATE.start_main_~y~4))), 74518#(<= 2964 (+ ULTIMATE.start_main_~x~4 (* 121 ULTIMATE.start_main_~y~4))), 74521#(<= 4392 (+ ULTIMATE.start_main_~x~4 (* 118 ULTIMATE.start_main_~y~4))), 74520#(<= 3920 (+ ULTIMATE.start_main_~x~4 (* 119 ULTIMATE.start_main_~y~4))), 74523#(<= 5324 (+ ULTIMATE.start_main_~x~4 (* 116 ULTIMATE.start_main_~y~4))), 74522#(<= 4860 (+ ULTIMATE.start_main_~x~4 (* 117 ULTIMATE.start_main_~y~4))), 74525#(<= 6240 (+ ULTIMATE.start_main_~x~4 (* 114 ULTIMATE.start_main_~y~4))), 74524#(<= 5784 (+ ULTIMATE.start_main_~x~4 (* 115 ULTIMATE.start_main_~y~4))), 74527#(<= 7140 (+ ULTIMATE.start_main_~x~4 (* 112 ULTIMATE.start_main_~y~4))), 74526#(<= 6692 (+ ULTIMATE.start_main_~x~4 (* 113 ULTIMATE.start_main_~y~4))), 74529#(<= 8024 (+ ULTIMATE.start_main_~x~4 (* 110 ULTIMATE.start_main_~y~4))), 74528#(<= 7584 (+ ULTIMATE.start_main_~x~4 (* 111 ULTIMATE.start_main_~y~4))), 74531#(<= 8892 (+ ULTIMATE.start_main_~x~4 (* 108 ULTIMATE.start_main_~y~4))), 74530#(<= 8460 (+ ULTIMATE.start_main_~x~4 (* 109 ULTIMATE.start_main_~y~4))), 74533#(<= 9744 (+ ULTIMATE.start_main_~x~4 (* 106 ULTIMATE.start_main_~y~4))), 74532#(<= 9320 (+ ULTIMATE.start_main_~x~4 (* 107 ULTIMATE.start_main_~y~4))), 74535#(<= 10580 (+ ULTIMATE.start_main_~x~4 (* 104 ULTIMATE.start_main_~y~4))), 74534#(<= 10164 (+ ULTIMATE.start_main_~x~4 (* 105 ULTIMATE.start_main_~y~4))), 74537#(<= 11400 (+ ULTIMATE.start_main_~x~4 (* 102 ULTIMATE.start_main_~y~4))), 74536#(<= 10992 (+ ULTIMATE.start_main_~x~4 (* 103 ULTIMATE.start_main_~y~4))), 74539#(<= 12204 (+ ULTIMATE.start_main_~x~4 (* 100 ULTIMATE.start_main_~y~4))), 74538#(<= 11804 (+ ULTIMATE.start_main_~x~4 (* 101 ULTIMATE.start_main_~y~4))), 74541#(<= 12992 (+ ULTIMATE.start_main_~x~4 (* 98 ULTIMATE.start_main_~y~4))), 74540#(<= 12600 (+ ULTIMATE.start_main_~x~4 (* 99 ULTIMATE.start_main_~y~4))), 74543#(<= 13764 (+ ULTIMATE.start_main_~x~4 (* 96 ULTIMATE.start_main_~y~4))), 74542#(<= 13380 (+ ULTIMATE.start_main_~x~4 (* 97 ULTIMATE.start_main_~y~4))), 74545#(<= 14520 (+ ULTIMATE.start_main_~x~4 (* 94 ULTIMATE.start_main_~y~4))), 74544#(<= 14144 (+ ULTIMATE.start_main_~x~4 (* 95 ULTIMATE.start_main_~y~4))), 74547#(<= 15260 (+ ULTIMATE.start_main_~x~4 (* 92 ULTIMATE.start_main_~y~4))), 74546#(<= 14892 (+ ULTIMATE.start_main_~x~4 (* 93 ULTIMATE.start_main_~y~4))), 74549#(<= 15984 (+ ULTIMATE.start_main_~x~4 (* 90 ULTIMATE.start_main_~y~4))), 74548#(<= 15624 (+ ULTIMATE.start_main_~x~4 (* 91 ULTIMATE.start_main_~y~4))), 74551#(<= 16692 (+ ULTIMATE.start_main_~x~4 (* 88 ULTIMATE.start_main_~y~4))), 74550#(<= 16340 (+ ULTIMATE.start_main_~x~4 (* 89 ULTIMATE.start_main_~y~4))), 74553#(<= 17384 (+ ULTIMATE.start_main_~x~4 (* 86 ULTIMATE.start_main_~y~4))), 74552#(<= 17040 (+ ULTIMATE.start_main_~x~4 (* 87 ULTIMATE.start_main_~y~4))), 74555#(<= 18060 (+ ULTIMATE.start_main_~x~4 (* 84 ULTIMATE.start_main_~y~4))), 74554#(<= 17724 (+ ULTIMATE.start_main_~x~4 (* 85 ULTIMATE.start_main_~y~4))), 74557#(<= 18720 (+ ULTIMATE.start_main_~x~4 (* 82 ULTIMATE.start_main_~y~4))), 74556#(<= 18392 (+ ULTIMATE.start_main_~x~4 (* 83 ULTIMATE.start_main_~y~4))), 74559#(<= 19364 (+ ULTIMATE.start_main_~x~4 (* 80 ULTIMATE.start_main_~y~4))), 74558#(<= 19044 (+ ULTIMATE.start_main_~x~4 (* 81 ULTIMATE.start_main_~y~4))), 74561#(<= 19992 (+ ULTIMATE.start_main_~x~4 (* 78 ULTIMATE.start_main_~y~4))), 74560#(<= 19680 (+ ULTIMATE.start_main_~x~4 (* 79 ULTIMATE.start_main_~y~4))), 74563#(<= 20604 (+ ULTIMATE.start_main_~x~4 (* 76 ULTIMATE.start_main_~y~4))), 74562#(<= 20300 (+ ULTIMATE.start_main_~x~4 (* 77 ULTIMATE.start_main_~y~4))), 74565#(<= 21200 (+ ULTIMATE.start_main_~x~4 (* 74 ULTIMATE.start_main_~y~4))), 74564#(<= 20904 (+ ULTIMATE.start_main_~x~4 (* 75 ULTIMATE.start_main_~y~4))), 74567#(<= 21780 (+ ULTIMATE.start_main_~x~4 (* 72 ULTIMATE.start_main_~y~4))), 74566#(<= 21492 (+ ULTIMATE.start_main_~x~4 (* 73 ULTIMATE.start_main_~y~4))), 74569#(<= 22344 (+ ULTIMATE.start_main_~x~4 (* 70 ULTIMATE.start_main_~y~4))), 74568#(<= 22064 (+ ULTIMATE.start_main_~x~4 (* 71 ULTIMATE.start_main_~y~4))), 74571#(<= 22892 (+ ULTIMATE.start_main_~x~4 (* 68 ULTIMATE.start_main_~y~4))), 74570#(<= 22620 (+ ULTIMATE.start_main_~x~4 (* 69 ULTIMATE.start_main_~y~4))), 74573#(<= 23424 (+ ULTIMATE.start_main_~x~4 (* 66 ULTIMATE.start_main_~y~4))), 74572#(<= 23160 (+ ULTIMATE.start_main_~x~4 (* 67 ULTIMATE.start_main_~y~4))), 74575#(<= 23940 (+ ULTIMATE.start_main_~x~4 (* 64 ULTIMATE.start_main_~y~4))), 74574#(<= 23684 (+ ULTIMATE.start_main_~x~4 (* 65 ULTIMATE.start_main_~y~4))), 74577#(<= 24440 (+ ULTIMATE.start_main_~x~4 (* 62 ULTIMATE.start_main_~y~4))), 74576#(<= 24192 (+ ULTIMATE.start_main_~x~4 (* 63 ULTIMATE.start_main_~y~4))), 74579#(<= 24924 (+ ULTIMATE.start_main_~x~4 (* 60 ULTIMATE.start_main_~y~4))), 74578#(<= 24684 (+ ULTIMATE.start_main_~x~4 (* 61 ULTIMATE.start_main_~y~4))), 74581#(<= 25392 (+ ULTIMATE.start_main_~x~4 (* 58 ULTIMATE.start_main_~y~4))), 74580#(<= 25160 (+ ULTIMATE.start_main_~x~4 (* 59 ULTIMATE.start_main_~y~4))), 74583#(<= 25844 (+ ULTIMATE.start_main_~x~4 (* 56 ULTIMATE.start_main_~y~4))), 74582#(<= 25620 (+ ULTIMATE.start_main_~x~4 (* 57 ULTIMATE.start_main_~y~4))), 74585#(<= 26280 (+ ULTIMATE.start_main_~x~4 (* 54 ULTIMATE.start_main_~y~4))), 74584#(<= 26064 (+ ULTIMATE.start_main_~x~4 (* 55 ULTIMATE.start_main_~y~4))), 74587#(<= 26700 (+ ULTIMATE.start_main_~x~4 (* 52 ULTIMATE.start_main_~y~4))), 74586#(<= 26492 (+ ULTIMATE.start_main_~x~4 (* 53 ULTIMATE.start_main_~y~4))), 74589#(<= 27104 (+ ULTIMATE.start_main_~x~4 (* 50 ULTIMATE.start_main_~y~4))), 74588#(<= 26904 (+ ULTIMATE.start_main_~x~4 (* 51 ULTIMATE.start_main_~y~4))), 74591#(<= 27492 (+ ULTIMATE.start_main_~x~4 (* 48 ULTIMATE.start_main_~y~4))), 74590#(<= 27300 (+ ULTIMATE.start_main_~x~4 (* 49 ULTIMATE.start_main_~y~4))), 74593#(<= 27864 (+ ULTIMATE.start_main_~x~4 (* 46 ULTIMATE.start_main_~y~4))), 74592#(<= 27680 (+ ULTIMATE.start_main_~x~4 (* 47 ULTIMATE.start_main_~y~4))), 74595#(<= 28220 (+ ULTIMATE.start_main_~x~4 (* 44 ULTIMATE.start_main_~y~4))), 74594#(<= 28044 (+ ULTIMATE.start_main_~x~4 (* 45 ULTIMATE.start_main_~y~4))), 74597#(<= 28560 (+ ULTIMATE.start_main_~x~4 (* 42 ULTIMATE.start_main_~y~4))), 74596#(<= 28392 (+ ULTIMATE.start_main_~x~4 (* 43 ULTIMATE.start_main_~y~4))), 74599#(<= 28884 (+ ULTIMATE.start_main_~x~4 (* 40 ULTIMATE.start_main_~y~4))), 74598#(<= 28724 (+ ULTIMATE.start_main_~x~4 (* 41 ULTIMATE.start_main_~y~4))), 74601#(<= 29192 (+ ULTIMATE.start_main_~x~4 (* 38 ULTIMATE.start_main_~y~4))), 74600#(<= 29040 (+ ULTIMATE.start_main_~x~4 (* 39 ULTIMATE.start_main_~y~4))), 74603#(<= 29484 (+ ULTIMATE.start_main_~x~4 (* 36 ULTIMATE.start_main_~y~4))), 74602#(<= 29340 (+ ULTIMATE.start_main_~x~4 (* 37 ULTIMATE.start_main_~y~4))), 74605#(<= 29760 (+ ULTIMATE.start_main_~x~4 (* 34 ULTIMATE.start_main_~y~4))), 74604#(<= 29624 (+ ULTIMATE.start_main_~x~4 (* 35 ULTIMATE.start_main_~y~4))), 74607#(<= 30020 (+ ULTIMATE.start_main_~x~4 (* 32 ULTIMATE.start_main_~y~4))), 74606#(<= 29892 (+ ULTIMATE.start_main_~x~4 (* 33 ULTIMATE.start_main_~y~4))), 74609#(<= 30264 (+ ULTIMATE.start_main_~x~4 (* 30 ULTIMATE.start_main_~y~4))), 74608#(<= 30144 (+ ULTIMATE.start_main_~x~4 (* 31 ULTIMATE.start_main_~y~4))), 74611#(<= 30492 (+ ULTIMATE.start_main_~x~4 (* 28 ULTIMATE.start_main_~y~4))), 74610#(<= 30380 (+ ULTIMATE.start_main_~x~4 (* 29 ULTIMATE.start_main_~y~4))), 74613#(<= 30704 (+ ULTIMATE.start_main_~x~4 (* 26 ULTIMATE.start_main_~y~4))), 74612#(<= 30600 (+ ULTIMATE.start_main_~x~4 (* 27 ULTIMATE.start_main_~y~4))), 74615#(<= 30900 (+ ULTIMATE.start_main_~x~4 (* 24 ULTIMATE.start_main_~y~4))), 74614#(<= 30804 (+ ULTIMATE.start_main_~x~4 (* 25 ULTIMATE.start_main_~y~4))), 74617#(<= 31080 (+ ULTIMATE.start_main_~x~4 (* 22 ULTIMATE.start_main_~y~4))), 74616#(<= 30992 (+ ULTIMATE.start_main_~x~4 (* 23 ULTIMATE.start_main_~y~4))), 74619#(<= 31244 (+ ULTIMATE.start_main_~x~4 (* 20 ULTIMATE.start_main_~y~4))), 74618#(<= 31164 (+ ULTIMATE.start_main_~x~4 (* 21 ULTIMATE.start_main_~y~4))), 74621#(<= 31392 (+ ULTIMATE.start_main_~x~4 (* 18 ULTIMATE.start_main_~y~4))), 74620#(<= 31320 (+ ULTIMATE.start_main_~x~4 (* 19 ULTIMATE.start_main_~y~4))), 74623#(<= 31524 (+ ULTIMATE.start_main_~x~4 (* 16 ULTIMATE.start_main_~y~4))), 74622#(<= 31460 (+ ULTIMATE.start_main_~x~4 (* 17 ULTIMATE.start_main_~y~4))), 74625#(<= 31640 (+ ULTIMATE.start_main_~x~4 (* 14 ULTIMATE.start_main_~y~4))), 74624#(<= 31584 (+ ULTIMATE.start_main_~x~4 (* 15 ULTIMATE.start_main_~y~4))), 74627#(<= 31740 (+ ULTIMATE.start_main_~x~4 (* 12 ULTIMATE.start_main_~y~4))), 74626#(<= 31692 (+ ULTIMATE.start_main_~x~4 (* 13 ULTIMATE.start_main_~y~4))), 74629#(<= 31824 (+ ULTIMATE.start_main_~x~4 (* 10 ULTIMATE.start_main_~y~4))), 74628#(<= 31784 (+ ULTIMATE.start_main_~x~4 (* 11 ULTIMATE.start_main_~y~4))), 74631#(<= 31892 (+ ULTIMATE.start_main_~x~4 (* 8 ULTIMATE.start_main_~y~4))), 74630#(<= 31860 (+ ULTIMATE.start_main_~x~4 (* 9 ULTIMATE.start_main_~y~4))), 74633#(<= 31944 (+ ULTIMATE.start_main_~x~4 (* 6 ULTIMATE.start_main_~y~4))), 74632#(<= 31920 (+ ULTIMATE.start_main_~x~4 (* 7 ULTIMATE.start_main_~y~4))), 74635#(<= 31980 (+ ULTIMATE.start_main_~x~4 (* 4 ULTIMATE.start_main_~y~4))), 74634#(<= 31964 (+ ULTIMATE.start_main_~x~4 (* 5 ULTIMATE.start_main_~y~4))), 74637#(<= 32000 (+ ULTIMATE.start_main_~x~4 (* 2 ULTIMATE.start_main_~y~4))), 74636#(<= 31992 (+ ULTIMATE.start_main_~x~4 (* 3 ULTIMATE.start_main_~y~4))), 74639#(<= 1 ULTIMATE.start___VERIFIER_assert_~cond), 74638#(<= 32004 (+ ULTIMATE.start_main_~x~4 ULTIMATE.start_main_~y~4))] [2018-07-23 13:44:50,982 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 13:44:50,982 INFO L450 AbstractCegarLoop]: Interpolant automaton has 129 states [2018-07-23 13:44:50,982 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 129 interpolants. [2018-07-23 13:44:50,983 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=255, Invalid=16257, Unknown=0, NotChecked=0, Total=16512 [2018-07-23 13:44:50,983 INFO L87 Difference]: Start difference. First operand 255 states and 255 transitions. Second operand 129 states. [2018-07-23 13:44:53,713 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-07-23 13:44:53,713 INFO L93 Difference]: Finished difference Result 260 states and 260 transitions. [2018-07-23 13:44:53,713 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 129 states. [2018-07-23 13:44:53,713 INFO L78 Accepts]: Start accepts. Automaton has 129 states. Word has length 254 [2018-07-23 13:44:53,714 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-07-23 13:44:53,714 INFO L225 Difference]: With dead ends: 260 [2018-07-23 13:44:53,714 INFO L226 Difference]: Without dead ends: 258 [2018-07-23 13:44:53,715 INFO L575 BasicCegarLoop]: 0 DeclaredPredicates, 128 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 127 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.8s TimeCoverageRelationStatistics Valid=255, Invalid=16257, Unknown=0, NotChecked=0, Total=16512 [2018-07-23 13:44:53,715 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 258 states. [2018-07-23 13:44:53,831 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 258 to 257. [2018-07-23 13:44:53,831 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 257 states. [2018-07-23 13:44:53,832 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 257 states to 257 states and 257 transitions. [2018-07-23 13:44:53,832 INFO L78 Accepts]: Start accepts. Automaton has 257 states and 257 transitions. Word has length 254 [2018-07-23 13:44:53,832 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-07-23 13:44:53,832 INFO L471 AbstractCegarLoop]: Abstraction has 257 states and 257 transitions. [2018-07-23 13:44:53,832 INFO L472 AbstractCegarLoop]: Interpolant automaton has 129 states. [2018-07-23 13:44:53,832 INFO L276 IsEmpty]: Start isEmpty. Operand 257 states and 257 transitions. [2018-07-23 13:44:53,833 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 257 [2018-07-23 13:44:53,833 INFO L349 BasicCegarLoop]: Found error trace [2018-07-23 13:44:53,833 INFO L357 BasicCegarLoop]: trace histogram [127, 126, 1, 1, 1] [2018-07-23 13:44:53,833 INFO L414 AbstractCegarLoop]: === Iteration 127 === [ULTIMATE.startErr0AssertViolationASSERT]=== [2018-07-23 13:44:53,833 INFO L82 PathProgramCache]: Analyzing trace with hash 1761795847, now seen corresponding path program 126 times [2018-07-23 13:44:53,833 INFO L69 tionRefinementEngine]: Using refinement strategy FixedRefinementStrategy [2018-07-23 13:44:54,330 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-07-23 13:44:56,262 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 13:44:56,262 INFO L309 seRefinementStrategy]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2018-07-23 13:44:56,263 INFO L324 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [129] total 129 [2018-07-23 13:44:56,263 INFO L142 lantAutomatonBuilder]: Constructing canonical interpolant automaton, with selfloop in false state [2018-07-23 13:44:56,263 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 13:44:56,263 INFO L185 omatonBuilderFactory]: Interpolants [75777#(<= 31212 (+ ULTIMATE.start_main_~x~4 (* 26 ULTIMATE.start_main_~y~4))), 75776#(<= 31108 (+ ULTIMATE.start_main_~x~4 (* 27 ULTIMATE.start_main_~y~4))), 75779#(<= 31408 (+ ULTIMATE.start_main_~x~4 (* 24 ULTIMATE.start_main_~y~4))), 75778#(<= 31312 (+ ULTIMATE.start_main_~x~4 (* 25 ULTIMATE.start_main_~y~4))), 75781#(<= 31588 (+ ULTIMATE.start_main_~x~4 (* 22 ULTIMATE.start_main_~y~4))), 75780#(<= 31500 (+ ULTIMATE.start_main_~x~4 (* 23 ULTIMATE.start_main_~y~4))), 75783#(<= 31752 (+ ULTIMATE.start_main_~x~4 (* 20 ULTIMATE.start_main_~y~4))), 75782#(<= 31672 (+ ULTIMATE.start_main_~x~4 (* 21 ULTIMATE.start_main_~y~4))), 75785#(<= 31900 (+ ULTIMATE.start_main_~x~4 (* 18 ULTIMATE.start_main_~y~4))), 75784#(<= 31828 (+ ULTIMATE.start_main_~x~4 (* 19 ULTIMATE.start_main_~y~4))), 75787#(<= 32032 (+ ULTIMATE.start_main_~x~4 (* 16 ULTIMATE.start_main_~y~4))), 75786#(<= 31968 (+ ULTIMATE.start_main_~x~4 (* 17 ULTIMATE.start_main_~y~4))), 75789#(<= 32148 (+ ULTIMATE.start_main_~x~4 (* 14 ULTIMATE.start_main_~y~4))), 75788#(<= 32092 (+ ULTIMATE.start_main_~x~4 (* 15 ULTIMATE.start_main_~y~4))), 75791#(<= 32248 (+ ULTIMATE.start_main_~x~4 (* 12 ULTIMATE.start_main_~y~4))), 75790#(<= 32200 (+ ULTIMATE.start_main_~x~4 (* 13 ULTIMATE.start_main_~y~4))), 75793#(<= 32332 (+ ULTIMATE.start_main_~x~4 (* 10 ULTIMATE.start_main_~y~4))), 75792#(<= 32292 (+ ULTIMATE.start_main_~x~4 (* 11 ULTIMATE.start_main_~y~4))), 75795#(<= 32400 (+ ULTIMATE.start_main_~x~4 (* 8 ULTIMATE.start_main_~y~4))), 75794#(<= 32368 (+ ULTIMATE.start_main_~x~4 (* 9 ULTIMATE.start_main_~y~4))), 75797#(<= 32452 (+ ULTIMATE.start_main_~x~4 (* 6 ULTIMATE.start_main_~y~4))), 75796#(<= 32428 (+ ULTIMATE.start_main_~x~4 (* 7 ULTIMATE.start_main_~y~4))), 75799#(<= 32488 (+ ULTIMATE.start_main_~x~4 (* 4 ULTIMATE.start_main_~y~4))), 75798#(<= 32472 (+ ULTIMATE.start_main_~x~4 (* 5 ULTIMATE.start_main_~y~4))), 75801#(<= 32508 (+ ULTIMATE.start_main_~x~4 (* 2 ULTIMATE.start_main_~y~4))), 75800#(<= 32500 (+ ULTIMATE.start_main_~x~4 (* 3 ULTIMATE.start_main_~y~4))), 75803#(<= 1 ULTIMATE.start___VERIFIER_assert_~cond), 75802#(<= 32512 (+ ULTIMATE.start_main_~x~4 ULTIMATE.start_main_~y~4)), 75675#false, 75674#true, 75677#(<= 1012 (+ ULTIMATE.start_main_~x~4 (* 126 ULTIMATE.start_main_~y~4))), 75676#(<= 508 (+ ULTIMATE.start_main_~x~4 (* 127 ULTIMATE.start_main_~y~4))), 75679#(<= 2008 (+ ULTIMATE.start_main_~x~4 (* 124 ULTIMATE.start_main_~y~4))), 75678#(<= 1512 (+ ULTIMATE.start_main_~x~4 (* 125 ULTIMATE.start_main_~y~4))), 75681#(<= 2988 (+ ULTIMATE.start_main_~x~4 (* 122 ULTIMATE.start_main_~y~4))), 75680#(<= 2500 (+ ULTIMATE.start_main_~x~4 (* 123 ULTIMATE.start_main_~y~4))), 75683#(<= 3952 (+ ULTIMATE.start_main_~x~4 (* 120 ULTIMATE.start_main_~y~4))), 75682#(<= 3472 (+ ULTIMATE.start_main_~x~4 (* 121 ULTIMATE.start_main_~y~4))), 75685#(<= 4900 (+ ULTIMATE.start_main_~x~4 (* 118 ULTIMATE.start_main_~y~4))), 75684#(<= 4428 (+ ULTIMATE.start_main_~x~4 (* 119 ULTIMATE.start_main_~y~4))), 75687#(<= 5832 (+ ULTIMATE.start_main_~x~4 (* 116 ULTIMATE.start_main_~y~4))), 75686#(<= 5368 (+ ULTIMATE.start_main_~x~4 (* 117 ULTIMATE.start_main_~y~4))), 75689#(<= 6748 (+ ULTIMATE.start_main_~x~4 (* 114 ULTIMATE.start_main_~y~4))), 75688#(<= 6292 (+ ULTIMATE.start_main_~x~4 (* 115 ULTIMATE.start_main_~y~4))), 75691#(<= 7648 (+ ULTIMATE.start_main_~x~4 (* 112 ULTIMATE.start_main_~y~4))), 75690#(<= 7200 (+ ULTIMATE.start_main_~x~4 (* 113 ULTIMATE.start_main_~y~4))), 75693#(<= 8532 (+ ULTIMATE.start_main_~x~4 (* 110 ULTIMATE.start_main_~y~4))), 75692#(<= 8092 (+ ULTIMATE.start_main_~x~4 (* 111 ULTIMATE.start_main_~y~4))), 75695#(<= 9400 (+ ULTIMATE.start_main_~x~4 (* 108 ULTIMATE.start_main_~y~4))), 75694#(<= 8968 (+ ULTIMATE.start_main_~x~4 (* 109 ULTIMATE.start_main_~y~4))), 75697#(<= 10252 (+ ULTIMATE.start_main_~x~4 (* 106 ULTIMATE.start_main_~y~4))), 75696#(<= 9828 (+ ULTIMATE.start_main_~x~4 (* 107 ULTIMATE.start_main_~y~4))), 75699#(<= 11088 (+ ULTIMATE.start_main_~x~4 (* 104 ULTIMATE.start_main_~y~4))), 75698#(<= 10672 (+ ULTIMATE.start_main_~x~4 (* 105 ULTIMATE.start_main_~y~4))), 75701#(<= 11908 (+ ULTIMATE.start_main_~x~4 (* 102 ULTIMATE.start_main_~y~4))), 75700#(<= 11500 (+ ULTIMATE.start_main_~x~4 (* 103 ULTIMATE.start_main_~y~4))), 75703#(<= 12712 (+ ULTIMATE.start_main_~x~4 (* 100 ULTIMATE.start_main_~y~4))), 75702#(<= 12312 (+ ULTIMATE.start_main_~x~4 (* 101 ULTIMATE.start_main_~y~4))), 75705#(<= 13500 (+ ULTIMATE.start_main_~x~4 (* 98 ULTIMATE.start_main_~y~4))), 75704#(<= 13108 (+ ULTIMATE.start_main_~x~4 (* 99 ULTIMATE.start_main_~y~4))), 75707#(<= 14272 (+ ULTIMATE.start_main_~x~4 (* 96 ULTIMATE.start_main_~y~4))), 75706#(<= 13888 (+ ULTIMATE.start_main_~x~4 (* 97 ULTIMATE.start_main_~y~4))), 75709#(<= 15028 (+ ULTIMATE.start_main_~x~4 (* 94 ULTIMATE.start_main_~y~4))), 75708#(<= 14652 (+ ULTIMATE.start_main_~x~4 (* 95 ULTIMATE.start_main_~y~4))), 75711#(<= 15768 (+ ULTIMATE.start_main_~x~4 (* 92 ULTIMATE.start_main_~y~4))), 75710#(<= 15400 (+ ULTIMATE.start_main_~x~4 (* 93 ULTIMATE.start_main_~y~4))), 75713#(<= 16492 (+ ULTIMATE.start_main_~x~4 (* 90 ULTIMATE.start_main_~y~4))), 75712#(<= 16132 (+ ULTIMATE.start_main_~x~4 (* 91 ULTIMATE.start_main_~y~4))), 75715#(<= 17200 (+ ULTIMATE.start_main_~x~4 (* 88 ULTIMATE.start_main_~y~4))), 75714#(<= 16848 (+ ULTIMATE.start_main_~x~4 (* 89 ULTIMATE.start_main_~y~4))), 75717#(<= 17892 (+ ULTIMATE.start_main_~x~4 (* 86 ULTIMATE.start_main_~y~4))), 75716#(<= 17548 (+ ULTIMATE.start_main_~x~4 (* 87 ULTIMATE.start_main_~y~4))), 75719#(<= 18568 (+ ULTIMATE.start_main_~x~4 (* 84 ULTIMATE.start_main_~y~4))), 75718#(<= 18232 (+ ULTIMATE.start_main_~x~4 (* 85 ULTIMATE.start_main_~y~4))), 75721#(<= 19228 (+ ULTIMATE.start_main_~x~4 (* 82 ULTIMATE.start_main_~y~4))), 75720#(<= 18900 (+ ULTIMATE.start_main_~x~4 (* 83 ULTIMATE.start_main_~y~4))), 75723#(<= 19872 (+ ULTIMATE.start_main_~x~4 (* 80 ULTIMATE.start_main_~y~4))), 75722#(<= 19552 (+ ULTIMATE.start_main_~x~4 (* 81 ULTIMATE.start_main_~y~4))), 75725#(<= 20500 (+ ULTIMATE.start_main_~x~4 (* 78 ULTIMATE.start_main_~y~4))), 75724#(<= 20188 (+ ULTIMATE.start_main_~x~4 (* 79 ULTIMATE.start_main_~y~4))), 75727#(<= 21112 (+ ULTIMATE.start_main_~x~4 (* 76 ULTIMATE.start_main_~y~4))), 75726#(<= 20808 (+ ULTIMATE.start_main_~x~4 (* 77 ULTIMATE.start_main_~y~4))), 75729#(<= 21708 (+ ULTIMATE.start_main_~x~4 (* 74 ULTIMATE.start_main_~y~4))), 75728#(<= 21412 (+ ULTIMATE.start_main_~x~4 (* 75 ULTIMATE.start_main_~y~4))), 75731#(<= 22288 (+ ULTIMATE.start_main_~x~4 (* 72 ULTIMATE.start_main_~y~4))), 75730#(<= 22000 (+ ULTIMATE.start_main_~x~4 (* 73 ULTIMATE.start_main_~y~4))), 75733#(<= 22852 (+ ULTIMATE.start_main_~x~4 (* 70 ULTIMATE.start_main_~y~4))), 75732#(<= 22572 (+ ULTIMATE.start_main_~x~4 (* 71 ULTIMATE.start_main_~y~4))), 75735#(<= 23400 (+ ULTIMATE.start_main_~x~4 (* 68 ULTIMATE.start_main_~y~4))), 75734#(<= 23128 (+ ULTIMATE.start_main_~x~4 (* 69 ULTIMATE.start_main_~y~4))), 75737#(<= 23932 (+ ULTIMATE.start_main_~x~4 (* 66 ULTIMATE.start_main_~y~4))), 75736#(<= 23668 (+ ULTIMATE.start_main_~x~4 (* 67 ULTIMATE.start_main_~y~4))), 75739#(<= 24448 (+ ULTIMATE.start_main_~x~4 (* 64 ULTIMATE.start_main_~y~4))), 75738#(<= 24192 (+ ULTIMATE.start_main_~x~4 (* 65 ULTIMATE.start_main_~y~4))), 75741#(<= 24948 (+ ULTIMATE.start_main_~x~4 (* 62 ULTIMATE.start_main_~y~4))), 75740#(<= 24700 (+ ULTIMATE.start_main_~x~4 (* 63 ULTIMATE.start_main_~y~4))), 75743#(<= 25432 (+ ULTIMATE.start_main_~x~4 (* 60 ULTIMATE.start_main_~y~4))), 75742#(<= 25192 (+ ULTIMATE.start_main_~x~4 (* 61 ULTIMATE.start_main_~y~4))), 75745#(<= 25900 (+ ULTIMATE.start_main_~x~4 (* 58 ULTIMATE.start_main_~y~4))), 75744#(<= 25668 (+ ULTIMATE.start_main_~x~4 (* 59 ULTIMATE.start_main_~y~4))), 75747#(<= 26352 (+ ULTIMATE.start_main_~x~4 (* 56 ULTIMATE.start_main_~y~4))), 75746#(<= 26128 (+ ULTIMATE.start_main_~x~4 (* 57 ULTIMATE.start_main_~y~4))), 75749#(<= 26788 (+ ULTIMATE.start_main_~x~4 (* 54 ULTIMATE.start_main_~y~4))), 75748#(<= 26572 (+ ULTIMATE.start_main_~x~4 (* 55 ULTIMATE.start_main_~y~4))), 75751#(<= 27208 (+ ULTIMATE.start_main_~x~4 (* 52 ULTIMATE.start_main_~y~4))), 75750#(<= 27000 (+ ULTIMATE.start_main_~x~4 (* 53 ULTIMATE.start_main_~y~4))), 75753#(<= 27612 (+ ULTIMATE.start_main_~x~4 (* 50 ULTIMATE.start_main_~y~4))), 75752#(<= 27412 (+ ULTIMATE.start_main_~x~4 (* 51 ULTIMATE.start_main_~y~4))), 75755#(<= 28000 (+ ULTIMATE.start_main_~x~4 (* 48 ULTIMATE.start_main_~y~4))), 75754#(<= 27808 (+ ULTIMATE.start_main_~x~4 (* 49 ULTIMATE.start_main_~y~4))), 75757#(<= 28372 (+ ULTIMATE.start_main_~x~4 (* 46 ULTIMATE.start_main_~y~4))), 75756#(<= 28188 (+ ULTIMATE.start_main_~x~4 (* 47 ULTIMATE.start_main_~y~4))), 75759#(<= 28728 (+ ULTIMATE.start_main_~x~4 (* 44 ULTIMATE.start_main_~y~4))), 75758#(<= 28552 (+ ULTIMATE.start_main_~x~4 (* 45 ULTIMATE.start_main_~y~4))), 75761#(<= 29068 (+ ULTIMATE.start_main_~x~4 (* 42 ULTIMATE.start_main_~y~4))), 75760#(<= 28900 (+ ULTIMATE.start_main_~x~4 (* 43 ULTIMATE.start_main_~y~4))), 75763#(<= 29392 (+ ULTIMATE.start_main_~x~4 (* 40 ULTIMATE.start_main_~y~4))), 75762#(<= 29232 (+ ULTIMATE.start_main_~x~4 (* 41 ULTIMATE.start_main_~y~4))), 75765#(<= 29700 (+ ULTIMATE.start_main_~x~4 (* 38 ULTIMATE.start_main_~y~4))), 75764#(<= 29548 (+ ULTIMATE.start_main_~x~4 (* 39 ULTIMATE.start_main_~y~4))), 75767#(<= 29992 (+ ULTIMATE.start_main_~x~4 (* 36 ULTIMATE.start_main_~y~4))), 75766#(<= 29848 (+ ULTIMATE.start_main_~x~4 (* 37 ULTIMATE.start_main_~y~4))), 75769#(<= 30268 (+ ULTIMATE.start_main_~x~4 (* 34 ULTIMATE.start_main_~y~4))), 75768#(<= 30132 (+ ULTIMATE.start_main_~x~4 (* 35 ULTIMATE.start_main_~y~4))), 75771#(<= 30528 (+ ULTIMATE.start_main_~x~4 (* 32 ULTIMATE.start_main_~y~4))), 75770#(<= 30400 (+ ULTIMATE.start_main_~x~4 (* 33 ULTIMATE.start_main_~y~4))), 75773#(<= 30772 (+ ULTIMATE.start_main_~x~4 (* 30 ULTIMATE.start_main_~y~4))), 75772#(<= 30652 (+ ULTIMATE.start_main_~x~4 (* 31 ULTIMATE.start_main_~y~4))), 75775#(<= 31000 (+ ULTIMATE.start_main_~x~4 (* 28 ULTIMATE.start_main_~y~4))), 75774#(<= 30888 (+ ULTIMATE.start_main_~x~4 (* 29 ULTIMATE.start_main_~y~4)))] [2018-07-23 13:44:56,264 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 13:44:56,264 INFO L450 AbstractCegarLoop]: Interpolant automaton has 130 states [2018-07-23 13:44:56,264 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 130 interpolants. [2018-07-23 13:44:56,265 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=257, Invalid=16513, Unknown=0, NotChecked=0, Total=16770 [2018-07-23 13:44:56,265 INFO L87 Difference]: Start difference. First operand 257 states and 257 transitions. Second operand 130 states. [2018-07-23 13:44:59,041 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-07-23 13:44:59,041 INFO L93 Difference]: Finished difference Result 262 states and 262 transitions. [2018-07-23 13:44:59,041 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 130 states. [2018-07-23 13:44:59,041 INFO L78 Accepts]: Start accepts. Automaton has 130 states. Word has length 256 [2018-07-23 13:44:59,041 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-07-23 13:44:59,042 INFO L225 Difference]: With dead ends: 262 [2018-07-23 13:44:59,042 INFO L226 Difference]: Without dead ends: 260 [2018-07-23 13:44:59,042 INFO L575 BasicCegarLoop]: 0 DeclaredPredicates, 129 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 128 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.8s TimeCoverageRelationStatistics Valid=257, Invalid=16513, Unknown=0, NotChecked=0, Total=16770 [2018-07-23 13:44:59,042 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 260 states. [2018-07-23 13:44:59,158 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 260 to 259. [2018-07-23 13:44:59,158 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 259 states. [2018-07-23 13:44:59,158 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 259 states to 259 states and 259 transitions. [2018-07-23 13:44:59,158 INFO L78 Accepts]: Start accepts. Automaton has 259 states and 259 transitions. Word has length 256 [2018-07-23 13:44:59,158 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-07-23 13:44:59,159 INFO L471 AbstractCegarLoop]: Abstraction has 259 states and 259 transitions. [2018-07-23 13:44:59,159 INFO L472 AbstractCegarLoop]: Interpolant automaton has 130 states. [2018-07-23 13:44:59,159 INFO L276 IsEmpty]: Start isEmpty. Operand 259 states and 259 transitions. [2018-07-23 13:44:59,159 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 259 [2018-07-23 13:44:59,160 INFO L349 BasicCegarLoop]: Found error trace [2018-07-23 13:44:59,160 INFO L357 BasicCegarLoop]: trace histogram [128, 127, 1, 1, 1] [2018-07-23 13:44:59,160 INFO L414 AbstractCegarLoop]: === Iteration 128 === [ULTIMATE.startErr0AssertViolationASSERT]=== [2018-07-23 13:44:59,160 INFO L82 PathProgramCache]: Analyzing trace with hash 868641041, now seen corresponding path program 127 times [2018-07-23 13:44:59,160 INFO L69 tionRefinementEngine]: Using refinement strategy FixedRefinementStrategy [2018-07-23 13:44:59,631 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-07-23 13:45:01,463 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 13:45:01,464 INFO L309 seRefinementStrategy]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2018-07-23 13:45:01,464 INFO L324 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [130] total 130 [2018-07-23 13:45:01,464 INFO L142 lantAutomatonBuilder]: Constructing canonical interpolant automaton, with selfloop in false state [2018-07-23 13:45:01,464 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-07-23 13:45:01,465 INFO L185 omatonBuilderFactory]: Interpolants [76847#false, 76846#true, 76849#(<= 1020 (+ ULTIMATE.start_main_~x~4 (* 127 ULTIMATE.start_main_~y~4))), 76848#(<= 512 (+ ULTIMATE.start_main_~x~4 (* 128 ULTIMATE.start_main_~y~4))), 76851#(<= 2024 (+ ULTIMATE.start_main_~x~4 (* 125 ULTIMATE.start_main_~y~4))), 76850#(<= 1524 (+ ULTIMATE.start_main_~x~4 (* 126 ULTIMATE.start_main_~y~4))), 76853#(<= 3012 (+ ULTIMATE.start_main_~x~4 (* 123 ULTIMATE.start_main_~y~4))), 76852#(<= 2520 (+ ULTIMATE.start_main_~x~4 (* 124 ULTIMATE.start_main_~y~4))), 76855#(<= 3984 (+ ULTIMATE.start_main_~x~4 (* 121 ULTIMATE.start_main_~y~4))), 76854#(<= 3500 (+ ULTIMATE.start_main_~x~4 (* 122 ULTIMATE.start_main_~y~4))), 76857#(<= 4940 (+ ULTIMATE.start_main_~x~4 (* 119 ULTIMATE.start_main_~y~4))), 76856#(<= 4464 (+ ULTIMATE.start_main_~x~4 (* 120 ULTIMATE.start_main_~y~4))), 76859#(<= 5880 (+ ULTIMATE.start_main_~x~4 (* 117 ULTIMATE.start_main_~y~4))), 76858#(<= 5412 (+ ULTIMATE.start_main_~x~4 (* 118 ULTIMATE.start_main_~y~4))), 76861#(<= 6804 (+ ULTIMATE.start_main_~x~4 (* 115 ULTIMATE.start_main_~y~4))), 76860#(<= 6344 (+ ULTIMATE.start_main_~x~4 (* 116 ULTIMATE.start_main_~y~4))), 76863#(<= 7712 (+ ULTIMATE.start_main_~x~4 (* 113 ULTIMATE.start_main_~y~4))), 76862#(<= 7260 (+ ULTIMATE.start_main_~x~4 (* 114 ULTIMATE.start_main_~y~4))), 76865#(<= 8604 (+ ULTIMATE.start_main_~x~4 (* 111 ULTIMATE.start_main_~y~4))), 76864#(<= 8160 (+ ULTIMATE.start_main_~x~4 (* 112 ULTIMATE.start_main_~y~4))), 76867#(<= 9480 (+ ULTIMATE.start_main_~x~4 (* 109 ULTIMATE.start_main_~y~4))), 76866#(<= 9044 (+ ULTIMATE.start_main_~x~4 (* 110 ULTIMATE.start_main_~y~4))), 76869#(<= 10340 (+ ULTIMATE.start_main_~x~4 (* 107 ULTIMATE.start_main_~y~4))), 76868#(<= 9912 (+ ULTIMATE.start_main_~x~4 (* 108 ULTIMATE.start_main_~y~4))), 76871#(<= 11184 (+ ULTIMATE.start_main_~x~4 (* 105 ULTIMATE.start_main_~y~4))), 76870#(<= 10764 (+ ULTIMATE.start_main_~x~4 (* 106 ULTIMATE.start_main_~y~4))), 76873#(<= 12012 (+ ULTIMATE.start_main_~x~4 (* 103 ULTIMATE.start_main_~y~4))), 76872#(<= 11600 (+ ULTIMATE.start_main_~x~4 (* 104 ULTIMATE.start_main_~y~4))), 76875#(<= 12824 (+ ULTIMATE.start_main_~x~4 (* 101 ULTIMATE.start_main_~y~4))), 76874#(<= 12420 (+ ULTIMATE.start_main_~x~4 (* 102 ULTIMATE.start_main_~y~4))), 76877#(<= 13620 (+ ULTIMATE.start_main_~x~4 (* 99 ULTIMATE.start_main_~y~4))), 76876#(<= 13224 (+ ULTIMATE.start_main_~x~4 (* 100 ULTIMATE.start_main_~y~4))), 76879#(<= 14400 (+ ULTIMATE.start_main_~x~4 (* 97 ULTIMATE.start_main_~y~4))), 76878#(<= 14012 (+ ULTIMATE.start_main_~x~4 (* 98 ULTIMATE.start_main_~y~4))), 76881#(<= 15164 (+ ULTIMATE.start_main_~x~4 (* 95 ULTIMATE.start_main_~y~4))), 76880#(<= 14784 (+ ULTIMATE.start_main_~x~4 (* 96 ULTIMATE.start_main_~y~4))), 76883#(<= 15912 (+ ULTIMATE.start_main_~x~4 (* 93 ULTIMATE.start_main_~y~4))), 76882#(<= 15540 (+ ULTIMATE.start_main_~x~4 (* 94 ULTIMATE.start_main_~y~4))), 76885#(<= 16644 (+ ULTIMATE.start_main_~x~4 (* 91 ULTIMATE.start_main_~y~4))), 76884#(<= 16280 (+ ULTIMATE.start_main_~x~4 (* 92 ULTIMATE.start_main_~y~4))), 76887#(<= 17360 (+ ULTIMATE.start_main_~x~4 (* 89 ULTIMATE.start_main_~y~4))), 76886#(<= 17004 (+ ULTIMATE.start_main_~x~4 (* 90 ULTIMATE.start_main_~y~4))), 76889#(<= 18060 (+ ULTIMATE.start_main_~x~4 (* 87 ULTIMATE.start_main_~y~4))), 76888#(<= 17712 (+ ULTIMATE.start_main_~x~4 (* 88 ULTIMATE.start_main_~y~4))), 76891#(<= 18744 (+ ULTIMATE.start_main_~x~4 (* 85 ULTIMATE.start_main_~y~4))), 76890#(<= 18404 (+ ULTIMATE.start_main_~x~4 (* 86 ULTIMATE.start_main_~y~4))), 76893#(<= 19412 (+ ULTIMATE.start_main_~x~4 (* 83 ULTIMATE.start_main_~y~4))), 76892#(<= 19080 (+ ULTIMATE.start_main_~x~4 (* 84 ULTIMATE.start_main_~y~4))), 76895#(<= 20064 (+ ULTIMATE.start_main_~x~4 (* 81 ULTIMATE.start_main_~y~4))), 76894#(<= 19740 (+ ULTIMATE.start_main_~x~4 (* 82 ULTIMATE.start_main_~y~4))), 76897#(<= 20700 (+ ULTIMATE.start_main_~x~4 (* 79 ULTIMATE.start_main_~y~4))), 76896#(<= 20384 (+ ULTIMATE.start_main_~x~4 (* 80 ULTIMATE.start_main_~y~4))), 76899#(<= 21320 (+ ULTIMATE.start_main_~x~4 (* 77 ULTIMATE.start_main_~y~4))), 76898#(<= 21012 (+ ULTIMATE.start_main_~x~4 (* 78 ULTIMATE.start_main_~y~4))), 76901#(<= 21924 (+ ULTIMATE.start_main_~x~4 (* 75 ULTIMATE.start_main_~y~4))), 76900#(<= 21624 (+ ULTIMATE.start_main_~x~4 (* 76 ULTIMATE.start_main_~y~4))), 76903#(<= 22512 (+ ULTIMATE.start_main_~x~4 (* 73 ULTIMATE.start_main_~y~4))), 76902#(<= 22220 (+ ULTIMATE.start_main_~x~4 (* 74 ULTIMATE.start_main_~y~4))), 76905#(<= 23084 (+ ULTIMATE.start_main_~x~4 (* 71 ULTIMATE.start_main_~y~4))), 76904#(<= 22800 (+ ULTIMATE.start_main_~x~4 (* 72 ULTIMATE.start_main_~y~4))), 76907#(<= 23640 (+ ULTIMATE.start_main_~x~4 (* 69 ULTIMATE.start_main_~y~4))), 76906#(<= 23364 (+ ULTIMATE.start_main_~x~4 (* 70 ULTIMATE.start_main_~y~4))), 76909#(<= 24180 (+ ULTIMATE.start_main_~x~4 (* 67 ULTIMATE.start_main_~y~4))), 76908#(<= 23912 (+ ULTIMATE.start_main_~x~4 (* 68 ULTIMATE.start_main_~y~4))), 76911#(<= 24704 (+ ULTIMATE.start_main_~x~4 (* 65 ULTIMATE.start_main_~y~4))), 76910#(<= 24444 (+ ULTIMATE.start_main_~x~4 (* 66 ULTIMATE.start_main_~y~4))), 76913#(<= 25212 (+ ULTIMATE.start_main_~x~4 (* 63 ULTIMATE.start_main_~y~4))), 76912#(<= 24960 (+ ULTIMATE.start_main_~x~4 (* 64 ULTIMATE.start_main_~y~4))), 76915#(<= 25704 (+ ULTIMATE.start_main_~x~4 (* 61 ULTIMATE.start_main_~y~4))), 76914#(<= 25460 (+ ULTIMATE.start_main_~x~4 (* 62 ULTIMATE.start_main_~y~4))), 76917#(<= 26180 (+ ULTIMATE.start_main_~x~4 (* 59 ULTIMATE.start_main_~y~4))), 76916#(<= 25944 (+ ULTIMATE.start_main_~x~4 (* 60 ULTIMATE.start_main_~y~4))), 76919#(<= 26640 (+ ULTIMATE.start_main_~x~4 (* 57 ULTIMATE.start_main_~y~4))), 76918#(<= 26412 (+ ULTIMATE.start_main_~x~4 (* 58 ULTIMATE.start_main_~y~4))), 76921#(<= 27084 (+ ULTIMATE.start_main_~x~4 (* 55 ULTIMATE.start_main_~y~4))), 76920#(<= 26864 (+ ULTIMATE.start_main_~x~4 (* 56 ULTIMATE.start_main_~y~4))), 76923#(<= 27512 (+ ULTIMATE.start_main_~x~4 (* 53 ULTIMATE.start_main_~y~4))), 76922#(<= 27300 (+ ULTIMATE.start_main_~x~4 (* 54 ULTIMATE.start_main_~y~4))), 76925#(<= 27924 (+ ULTIMATE.start_main_~x~4 (* 51 ULTIMATE.start_main_~y~4))), 76924#(<= 27720 (+ ULTIMATE.start_main_~x~4 (* 52 ULTIMATE.start_main_~y~4))), 76927#(<= 28320 (+ ULTIMATE.start_main_~x~4 (* 49 ULTIMATE.start_main_~y~4))), 76926#(<= 28124 (+ ULTIMATE.start_main_~x~4 (* 50 ULTIMATE.start_main_~y~4))), 76929#(<= 28700 (+ ULTIMATE.start_main_~x~4 (* 47 ULTIMATE.start_main_~y~4))), 76928#(<= 28512 (+ ULTIMATE.start_main_~x~4 (* 48 ULTIMATE.start_main_~y~4))), 76931#(<= 29064 (+ ULTIMATE.start_main_~x~4 (* 45 ULTIMATE.start_main_~y~4))), 76930#(<= 28884 (+ ULTIMATE.start_main_~x~4 (* 46 ULTIMATE.start_main_~y~4))), 76933#(<= 29412 (+ ULTIMATE.start_main_~x~4 (* 43 ULTIMATE.start_main_~y~4))), 76932#(<= 29240 (+ ULTIMATE.start_main_~x~4 (* 44 ULTIMATE.start_main_~y~4))), 76935#(<= 29744 (+ ULTIMATE.start_main_~x~4 (* 41 ULTIMATE.start_main_~y~4))), 76934#(<= 29580 (+ ULTIMATE.start_main_~x~4 (* 42 ULTIMATE.start_main_~y~4))), 76937#(<= 30060 (+ ULTIMATE.start_main_~x~4 (* 39 ULTIMATE.start_main_~y~4))), 76936#(<= 29904 (+ ULTIMATE.start_main_~x~4 (* 40 ULTIMATE.start_main_~y~4))), 76939#(<= 30360 (+ ULTIMATE.start_main_~x~4 (* 37 ULTIMATE.start_main_~y~4))), 76938#(<= 30212 (+ ULTIMATE.start_main_~x~4 (* 38 ULTIMATE.start_main_~y~4))), 76941#(<= 30644 (+ ULTIMATE.start_main_~x~4 (* 35 ULTIMATE.start_main_~y~4))), 76940#(<= 30504 (+ ULTIMATE.start_main_~x~4 (* 36 ULTIMATE.start_main_~y~4))), 76943#(<= 30912 (+ ULTIMATE.start_main_~x~4 (* 33 ULTIMATE.start_main_~y~4))), 76942#(<= 30780 (+ ULTIMATE.start_main_~x~4 (* 34 ULTIMATE.start_main_~y~4))), 76945#(<= 31164 (+ ULTIMATE.start_main_~x~4 (* 31 ULTIMATE.start_main_~y~4))), 76944#(<= 31040 (+ ULTIMATE.start_main_~x~4 (* 32 ULTIMATE.start_main_~y~4))), 76947#(<= 31400 (+ ULTIMATE.start_main_~x~4 (* 29 ULTIMATE.start_main_~y~4))), 76946#(<= 31284 (+ ULTIMATE.start_main_~x~4 (* 30 ULTIMATE.start_main_~y~4))), 76949#(<= 31620 (+ ULTIMATE.start_main_~x~4 (* 27 ULTIMATE.start_main_~y~4))), 76948#(<= 31512 (+ ULTIMATE.start_main_~x~4 (* 28 ULTIMATE.start_main_~y~4))), 76951#(<= 31824 (+ ULTIMATE.start_main_~x~4 (* 25 ULTIMATE.start_main_~y~4))), 76950#(<= 31724 (+ ULTIMATE.start_main_~x~4 (* 26 ULTIMATE.start_main_~y~4))), 76953#(<= 32012 (+ ULTIMATE.start_main_~x~4 (* 23 ULTIMATE.start_main_~y~4))), 76952#(<= 31920 (+ ULTIMATE.start_main_~x~4 (* 24 ULTIMATE.start_main_~y~4))), 76955#(<= 32184 (+ ULTIMATE.start_main_~x~4 (* 21 ULTIMATE.start_main_~y~4))), 76954#(<= 32100 (+ ULTIMATE.start_main_~x~4 (* 22 ULTIMATE.start_main_~y~4))), 76957#(<= 32340 (+ ULTIMATE.start_main_~x~4 (* 19 ULTIMATE.start_main_~y~4))), 76956#(<= 32264 (+ ULTIMATE.start_main_~x~4 (* 20 ULTIMATE.start_main_~y~4))), 76959#(<= 32480 (+ ULTIMATE.start_main_~x~4 (* 17 ULTIMATE.start_main_~y~4))), 76958#(<= 32412 (+ ULTIMATE.start_main_~x~4 (* 18 ULTIMATE.start_main_~y~4))), 76961#(<= 32604 (+ ULTIMATE.start_main_~x~4 (* 15 ULTIMATE.start_main_~y~4))), 76960#(<= 32544 (+ ULTIMATE.start_main_~x~4 (* 16 ULTIMATE.start_main_~y~4))), 76963#(<= 32712 (+ ULTIMATE.start_main_~x~4 (* 13 ULTIMATE.start_main_~y~4))), 76962#(<= 32660 (+ ULTIMATE.start_main_~x~4 (* 14 ULTIMATE.start_main_~y~4))), 76965#(<= 32804 (+ ULTIMATE.start_main_~x~4 (* 11 ULTIMATE.start_main_~y~4))), 76964#(<= 32760 (+ ULTIMATE.start_main_~x~4 (* 12 ULTIMATE.start_main_~y~4))), 76967#(<= 32880 (+ ULTIMATE.start_main_~x~4 (* 9 ULTIMATE.start_main_~y~4))), 76966#(<= 32844 (+ ULTIMATE.start_main_~x~4 (* 10 ULTIMATE.start_main_~y~4))), 76969#(<= 32940 (+ ULTIMATE.start_main_~x~4 (* 7 ULTIMATE.start_main_~y~4))), 76968#(<= 32912 (+ ULTIMATE.start_main_~x~4 (* 8 ULTIMATE.start_main_~y~4))), 76971#(<= 32984 (+ ULTIMATE.start_main_~x~4 (* 5 ULTIMATE.start_main_~y~4))), 76970#(<= 32964 (+ ULTIMATE.start_main_~x~4 (* 6 ULTIMATE.start_main_~y~4))), 76973#(<= 33012 (+ ULTIMATE.start_main_~x~4 (* 3 ULTIMATE.start_main_~y~4))), 76972#(<= 33000 (+ ULTIMATE.start_main_~x~4 (* 4 ULTIMATE.start_main_~y~4))), 76975#(<= 33024 (+ ULTIMATE.start_main_~x~4 ULTIMATE.start_main_~y~4)), 76974#(<= 33020 (+ ULTIMATE.start_main_~x~4 (* 2 ULTIMATE.start_main_~y~4))), 76976#(<= 1 ULTIMATE.start___VERIFIER_assert_~cond)] [2018-07-23 13:45:01,466 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 13:45:01,466 INFO L450 AbstractCegarLoop]: Interpolant automaton has 131 states [2018-07-23 13:45:01,467 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 131 interpolants. [2018-07-23 13:45:01,468 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=259, Invalid=16771, Unknown=0, NotChecked=0, Total=17030 [2018-07-23 13:45:01,468 INFO L87 Difference]: Start difference. First operand 259 states and 259 transitions. Second operand 131 states. [2018-07-23 13:45:04,266 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-07-23 13:45:04,266 INFO L93 Difference]: Finished difference Result 264 states and 264 transitions. [2018-07-23 13:45:04,266 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 131 states. [2018-07-23 13:45:04,266 INFO L78 Accepts]: Start accepts. Automaton has 131 states. Word has length 258 [2018-07-23 13:45:04,267 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-07-23 13:45:04,267 INFO L225 Difference]: With dead ends: 264 [2018-07-23 13:45:04,267 INFO L226 Difference]: Without dead ends: 262 [2018-07-23 13:45:04,268 INFO L575 BasicCegarLoop]: 0 DeclaredPredicates, 130 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 129 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.8s TimeCoverageRelationStatistics Valid=259, Invalid=16771, Unknown=0, NotChecked=0, Total=17030 [2018-07-23 13:45:04,268 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 262 states. [2018-07-23 13:45:04,402 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 262 to 261. [2018-07-23 13:45:04,402 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 261 states. [2018-07-23 13:45:04,402 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 261 states to 261 states and 261 transitions. [2018-07-23 13:45:04,405 INFO L78 Accepts]: Start accepts. Automaton has 261 states and 261 transitions. Word has length 258 [2018-07-23 13:45:04,405 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-07-23 13:45:04,405 INFO L471 AbstractCegarLoop]: Abstraction has 261 states and 261 transitions. [2018-07-23 13:45:04,406 INFO L472 AbstractCegarLoop]: Interpolant automaton has 131 states. [2018-07-23 13:45:04,406 INFO L276 IsEmpty]: Start isEmpty. Operand 261 states and 261 transitions. [2018-07-23 13:45:04,407 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 261 [2018-07-23 13:45:04,407 INFO L349 BasicCegarLoop]: Found error trace [2018-07-23 13:45:04,407 INFO L357 BasicCegarLoop]: trace histogram [129, 128, 1, 1, 1] [2018-07-23 13:45:04,407 INFO L414 AbstractCegarLoop]: === Iteration 129 === [ULTIMATE.startErr0AssertViolationASSERT]=== [2018-07-23 13:45:04,407 INFO L82 PathProgramCache]: Analyzing trace with hash 1540331675, now seen corresponding path program 128 times [2018-07-23 13:45:04,407 INFO L69 tionRefinementEngine]: Using refinement strategy FixedRefinementStrategy [2018-07-23 13:45:04,859 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-07-23 13:45:06,767 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 13:45:06,767 INFO L309 seRefinementStrategy]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2018-07-23 13:45:06,767 INFO L324 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [131] total 131 [2018-07-23 13:45:06,767 INFO L142 lantAutomatonBuilder]: Constructing canonical interpolant automaton, with selfloop in false state [2018-07-23 13:45:06,768 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-07-23 13:45:06,768 INFO L185 omatonBuilderFactory]: Interpolants [78081#(<= 21836 (+ ULTIMATE.start_main_~x~4 (* 77 ULTIMATE.start_main_~y~4))), 78080#(<= 21528 (+ ULTIMATE.start_main_~x~4 (* 78 ULTIMATE.start_main_~y~4))), 78083#(<= 22440 (+ ULTIMATE.start_main_~x~4 (* 75 ULTIMATE.start_main_~y~4))), 78082#(<= 22140 (+ ULTIMATE.start_main_~x~4 (* 76 ULTIMATE.start_main_~y~4))), 78085#(<= 23028 (+ ULTIMATE.start_main_~x~4 (* 73 ULTIMATE.start_main_~y~4))), 78084#(<= 22736 (+ ULTIMATE.start_main_~x~4 (* 74 ULTIMATE.start_main_~y~4))), 78087#(<= 23600 (+ ULTIMATE.start_main_~x~4 (* 71 ULTIMATE.start_main_~y~4))), 78086#(<= 23316 (+ ULTIMATE.start_main_~x~4 (* 72 ULTIMATE.start_main_~y~4))), 78089#(<= 24156 (+ ULTIMATE.start_main_~x~4 (* 69 ULTIMATE.start_main_~y~4))), 78088#(<= 23880 (+ ULTIMATE.start_main_~x~4 (* 70 ULTIMATE.start_main_~y~4))), 78091#(<= 24696 (+ ULTIMATE.start_main_~x~4 (* 67 ULTIMATE.start_main_~y~4))), 78090#(<= 24428 (+ ULTIMATE.start_main_~x~4 (* 68 ULTIMATE.start_main_~y~4))), 78093#(<= 25220 (+ ULTIMATE.start_main_~x~4 (* 65 ULTIMATE.start_main_~y~4))), 78092#(<= 24960 (+ ULTIMATE.start_main_~x~4 (* 66 ULTIMATE.start_main_~y~4))), 78095#(<= 25728 (+ ULTIMATE.start_main_~x~4 (* 63 ULTIMATE.start_main_~y~4))), 78094#(<= 25476 (+ ULTIMATE.start_main_~x~4 (* 64 ULTIMATE.start_main_~y~4))), 78097#(<= 26220 (+ ULTIMATE.start_main_~x~4 (* 61 ULTIMATE.start_main_~y~4))), 78096#(<= 25976 (+ ULTIMATE.start_main_~x~4 (* 62 ULTIMATE.start_main_~y~4))), 78099#(<= 26696 (+ ULTIMATE.start_main_~x~4 (* 59 ULTIMATE.start_main_~y~4))), 78098#(<= 26460 (+ ULTIMATE.start_main_~x~4 (* 60 ULTIMATE.start_main_~y~4))), 78101#(<= 27156 (+ ULTIMATE.start_main_~x~4 (* 57 ULTIMATE.start_main_~y~4))), 78100#(<= 26928 (+ ULTIMATE.start_main_~x~4 (* 58 ULTIMATE.start_main_~y~4))), 78103#(<= 27600 (+ ULTIMATE.start_main_~x~4 (* 55 ULTIMATE.start_main_~y~4))), 78102#(<= 27380 (+ ULTIMATE.start_main_~x~4 (* 56 ULTIMATE.start_main_~y~4))), 78105#(<= 28028 (+ ULTIMATE.start_main_~x~4 (* 53 ULTIMATE.start_main_~y~4))), 78104#(<= 27816 (+ ULTIMATE.start_main_~x~4 (* 54 ULTIMATE.start_main_~y~4))), 78107#(<= 28440 (+ ULTIMATE.start_main_~x~4 (* 51 ULTIMATE.start_main_~y~4))), 78106#(<= 28236 (+ ULTIMATE.start_main_~x~4 (* 52 ULTIMATE.start_main_~y~4))), 78109#(<= 28836 (+ ULTIMATE.start_main_~x~4 (* 49 ULTIMATE.start_main_~y~4))), 78108#(<= 28640 (+ ULTIMATE.start_main_~x~4 (* 50 ULTIMATE.start_main_~y~4))), 78111#(<= 29216 (+ ULTIMATE.start_main_~x~4 (* 47 ULTIMATE.start_main_~y~4))), 78110#(<= 29028 (+ ULTIMATE.start_main_~x~4 (* 48 ULTIMATE.start_main_~y~4))), 78113#(<= 29580 (+ ULTIMATE.start_main_~x~4 (* 45 ULTIMATE.start_main_~y~4))), 78112#(<= 29400 (+ ULTIMATE.start_main_~x~4 (* 46 ULTIMATE.start_main_~y~4))), 78115#(<= 29928 (+ ULTIMATE.start_main_~x~4 (* 43 ULTIMATE.start_main_~y~4))), 78114#(<= 29756 (+ ULTIMATE.start_main_~x~4 (* 44 ULTIMATE.start_main_~y~4))), 78117#(<= 30260 (+ ULTIMATE.start_main_~x~4 (* 41 ULTIMATE.start_main_~y~4))), 78116#(<= 30096 (+ ULTIMATE.start_main_~x~4 (* 42 ULTIMATE.start_main_~y~4))), 78119#(<= 30576 (+ ULTIMATE.start_main_~x~4 (* 39 ULTIMATE.start_main_~y~4))), 78118#(<= 30420 (+ ULTIMATE.start_main_~x~4 (* 40 ULTIMATE.start_main_~y~4))), 78121#(<= 30876 (+ ULTIMATE.start_main_~x~4 (* 37 ULTIMATE.start_main_~y~4))), 78120#(<= 30728 (+ ULTIMATE.start_main_~x~4 (* 38 ULTIMATE.start_main_~y~4))), 78123#(<= 31160 (+ ULTIMATE.start_main_~x~4 (* 35 ULTIMATE.start_main_~y~4))), 78122#(<= 31020 (+ ULTIMATE.start_main_~x~4 (* 36 ULTIMATE.start_main_~y~4))), 78125#(<= 31428 (+ ULTIMATE.start_main_~x~4 (* 33 ULTIMATE.start_main_~y~4))), 78124#(<= 31296 (+ ULTIMATE.start_main_~x~4 (* 34 ULTIMATE.start_main_~y~4))), 78127#(<= 31680 (+ ULTIMATE.start_main_~x~4 (* 31 ULTIMATE.start_main_~y~4))), 78126#(<= 31556 (+ ULTIMATE.start_main_~x~4 (* 32 ULTIMATE.start_main_~y~4))), 78129#(<= 31916 (+ ULTIMATE.start_main_~x~4 (* 29 ULTIMATE.start_main_~y~4))), 78128#(<= 31800 (+ ULTIMATE.start_main_~x~4 (* 30 ULTIMATE.start_main_~y~4))), 78131#(<= 32136 (+ ULTIMATE.start_main_~x~4 (* 27 ULTIMATE.start_main_~y~4))), 78130#(<= 32028 (+ ULTIMATE.start_main_~x~4 (* 28 ULTIMATE.start_main_~y~4))), 78133#(<= 32340 (+ ULTIMATE.start_main_~x~4 (* 25 ULTIMATE.start_main_~y~4))), 78132#(<= 32240 (+ ULTIMATE.start_main_~x~4 (* 26 ULTIMATE.start_main_~y~4))), 78135#(<= 32528 (+ ULTIMATE.start_main_~x~4 (* 23 ULTIMATE.start_main_~y~4))), 78134#(<= 32436 (+ ULTIMATE.start_main_~x~4 (* 24 ULTIMATE.start_main_~y~4))), 78137#(<= 32700 (+ ULTIMATE.start_main_~x~4 (* 21 ULTIMATE.start_main_~y~4))), 78136#(<= 32616 (+ ULTIMATE.start_main_~x~4 (* 22 ULTIMATE.start_main_~y~4))), 78139#(<= 32856 (+ ULTIMATE.start_main_~x~4 (* 19 ULTIMATE.start_main_~y~4))), 78138#(<= 32780 (+ ULTIMATE.start_main_~x~4 (* 20 ULTIMATE.start_main_~y~4))), 78141#(<= 32996 (+ ULTIMATE.start_main_~x~4 (* 17 ULTIMATE.start_main_~y~4))), 78140#(<= 32928 (+ ULTIMATE.start_main_~x~4 (* 18 ULTIMATE.start_main_~y~4))), 78143#(<= 33120 (+ ULTIMATE.start_main_~x~4 (* 15 ULTIMATE.start_main_~y~4))), 78142#(<= 33060 (+ ULTIMATE.start_main_~x~4 (* 16 ULTIMATE.start_main_~y~4))), 78145#(<= 33228 (+ ULTIMATE.start_main_~x~4 (* 13 ULTIMATE.start_main_~y~4))), 78144#(<= 33176 (+ ULTIMATE.start_main_~x~4 (* 14 ULTIMATE.start_main_~y~4))), 78147#(<= 33320 (+ ULTIMATE.start_main_~x~4 (* 11 ULTIMATE.start_main_~y~4))), 78146#(<= 33276 (+ ULTIMATE.start_main_~x~4 (* 12 ULTIMATE.start_main_~y~4))), 78149#(<= 33396 (+ ULTIMATE.start_main_~x~4 (* 9 ULTIMATE.start_main_~y~4))), 78148#(<= 33360 (+ ULTIMATE.start_main_~x~4 (* 10 ULTIMATE.start_main_~y~4))), 78151#(<= 33456 (+ ULTIMATE.start_main_~x~4 (* 7 ULTIMATE.start_main_~y~4))), 78150#(<= 33428 (+ ULTIMATE.start_main_~x~4 (* 8 ULTIMATE.start_main_~y~4))), 78153#(<= 33500 (+ ULTIMATE.start_main_~x~4 (* 5 ULTIMATE.start_main_~y~4))), 78152#(<= 33480 (+ ULTIMATE.start_main_~x~4 (* 6 ULTIMATE.start_main_~y~4))), 78155#(<= 33528 (+ ULTIMATE.start_main_~x~4 (* 3 ULTIMATE.start_main_~y~4))), 78154#(<= 33516 (+ ULTIMATE.start_main_~x~4 (* 4 ULTIMATE.start_main_~y~4))), 78157#(<= 33540 (+ ULTIMATE.start_main_~x~4 ULTIMATE.start_main_~y~4)), 78156#(<= 33536 (+ ULTIMATE.start_main_~x~4 (* 2 ULTIMATE.start_main_~y~4))), 78158#(<= 1 ULTIMATE.start___VERIFIER_assert_~cond), 78027#true, 78029#(<= 516 (+ ULTIMATE.start_main_~x~4 (* 129 ULTIMATE.start_main_~y~4))), 78028#false, 78031#(<= 1536 (+ ULTIMATE.start_main_~x~4 (* 127 ULTIMATE.start_main_~y~4))), 78030#(<= 1028 (+ ULTIMATE.start_main_~x~4 (* 128 ULTIMATE.start_main_~y~4))), 78033#(<= 2540 (+ ULTIMATE.start_main_~x~4 (* 125 ULTIMATE.start_main_~y~4))), 78032#(<= 2040 (+ ULTIMATE.start_main_~x~4 (* 126 ULTIMATE.start_main_~y~4))), 78035#(<= 3528 (+ ULTIMATE.start_main_~x~4 (* 123 ULTIMATE.start_main_~y~4))), 78034#(<= 3036 (+ ULTIMATE.start_main_~x~4 (* 124 ULTIMATE.start_main_~y~4))), 78037#(<= 4500 (+ ULTIMATE.start_main_~x~4 (* 121 ULTIMATE.start_main_~y~4))), 78036#(<= 4016 (+ ULTIMATE.start_main_~x~4 (* 122 ULTIMATE.start_main_~y~4))), 78039#(<= 5456 (+ ULTIMATE.start_main_~x~4 (* 119 ULTIMATE.start_main_~y~4))), 78038#(<= 4980 (+ ULTIMATE.start_main_~x~4 (* 120 ULTIMATE.start_main_~y~4))), 78041#(<= 6396 (+ ULTIMATE.start_main_~x~4 (* 117 ULTIMATE.start_main_~y~4))), 78040#(<= 5928 (+ ULTIMATE.start_main_~x~4 (* 118 ULTIMATE.start_main_~y~4))), 78043#(<= 7320 (+ ULTIMATE.start_main_~x~4 (* 115 ULTIMATE.start_main_~y~4))), 78042#(<= 6860 (+ ULTIMATE.start_main_~x~4 (* 116 ULTIMATE.start_main_~y~4))), 78045#(<= 8228 (+ ULTIMATE.start_main_~x~4 (* 113 ULTIMATE.start_main_~y~4))), 78044#(<= 7776 (+ ULTIMATE.start_main_~x~4 (* 114 ULTIMATE.start_main_~y~4))), 78047#(<= 9120 (+ ULTIMATE.start_main_~x~4 (* 111 ULTIMATE.start_main_~y~4))), 78046#(<= 8676 (+ ULTIMATE.start_main_~x~4 (* 112 ULTIMATE.start_main_~y~4))), 78049#(<= 9996 (+ ULTIMATE.start_main_~x~4 (* 109 ULTIMATE.start_main_~y~4))), 78048#(<= 9560 (+ ULTIMATE.start_main_~x~4 (* 110 ULTIMATE.start_main_~y~4))), 78051#(<= 10856 (+ ULTIMATE.start_main_~x~4 (* 107 ULTIMATE.start_main_~y~4))), 78050#(<= 10428 (+ ULTIMATE.start_main_~x~4 (* 108 ULTIMATE.start_main_~y~4))), 78053#(<= 11700 (+ ULTIMATE.start_main_~x~4 (* 105 ULTIMATE.start_main_~y~4))), 78052#(<= 11280 (+ ULTIMATE.start_main_~x~4 (* 106 ULTIMATE.start_main_~y~4))), 78055#(<= 12528 (+ ULTIMATE.start_main_~x~4 (* 103 ULTIMATE.start_main_~y~4))), 78054#(<= 12116 (+ ULTIMATE.start_main_~x~4 (* 104 ULTIMATE.start_main_~y~4))), 78057#(<= 13340 (+ ULTIMATE.start_main_~x~4 (* 101 ULTIMATE.start_main_~y~4))), 78056#(<= 12936 (+ ULTIMATE.start_main_~x~4 (* 102 ULTIMATE.start_main_~y~4))), 78059#(<= 14136 (+ ULTIMATE.start_main_~x~4 (* 99 ULTIMATE.start_main_~y~4))), 78058#(<= 13740 (+ ULTIMATE.start_main_~x~4 (* 100 ULTIMATE.start_main_~y~4))), 78061#(<= 14916 (+ ULTIMATE.start_main_~x~4 (* 97 ULTIMATE.start_main_~y~4))), 78060#(<= 14528 (+ ULTIMATE.start_main_~x~4 (* 98 ULTIMATE.start_main_~y~4))), 78063#(<= 15680 (+ ULTIMATE.start_main_~x~4 (* 95 ULTIMATE.start_main_~y~4))), 78062#(<= 15300 (+ ULTIMATE.start_main_~x~4 (* 96 ULTIMATE.start_main_~y~4))), 78065#(<= 16428 (+ ULTIMATE.start_main_~x~4 (* 93 ULTIMATE.start_main_~y~4))), 78064#(<= 16056 (+ ULTIMATE.start_main_~x~4 (* 94 ULTIMATE.start_main_~y~4))), 78067#(<= 17160 (+ ULTIMATE.start_main_~x~4 (* 91 ULTIMATE.start_main_~y~4))), 78066#(<= 16796 (+ ULTIMATE.start_main_~x~4 (* 92 ULTIMATE.start_main_~y~4))), 78069#(<= 17876 (+ ULTIMATE.start_main_~x~4 (* 89 ULTIMATE.start_main_~y~4))), 78068#(<= 17520 (+ ULTIMATE.start_main_~x~4 (* 90 ULTIMATE.start_main_~y~4))), 78071#(<= 18576 (+ ULTIMATE.start_main_~x~4 (* 87 ULTIMATE.start_main_~y~4))), 78070#(<= 18228 (+ ULTIMATE.start_main_~x~4 (* 88 ULTIMATE.start_main_~y~4))), 78073#(<= 19260 (+ ULTIMATE.start_main_~x~4 (* 85 ULTIMATE.start_main_~y~4))), 78072#(<= 18920 (+ ULTIMATE.start_main_~x~4 (* 86 ULTIMATE.start_main_~y~4))), 78075#(<= 19928 (+ ULTIMATE.start_main_~x~4 (* 83 ULTIMATE.start_main_~y~4))), 78074#(<= 19596 (+ ULTIMATE.start_main_~x~4 (* 84 ULTIMATE.start_main_~y~4))), 78077#(<= 20580 (+ ULTIMATE.start_main_~x~4 (* 81 ULTIMATE.start_main_~y~4))), 78076#(<= 20256 (+ ULTIMATE.start_main_~x~4 (* 82 ULTIMATE.start_main_~y~4))), 78079#(<= 21216 (+ ULTIMATE.start_main_~x~4 (* 79 ULTIMATE.start_main_~y~4))), 78078#(<= 20900 (+ ULTIMATE.start_main_~x~4 (* 80 ULTIMATE.start_main_~y~4)))] [2018-07-23 13:45:06,769 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 13:45:06,769 INFO L450 AbstractCegarLoop]: Interpolant automaton has 132 states [2018-07-23 13:45:06,769 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 132 interpolants. [2018-07-23 13:45:06,770 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=261, Invalid=17031, Unknown=0, NotChecked=0, Total=17292 [2018-07-23 13:45:06,771 INFO L87 Difference]: Start difference. First operand 261 states and 261 transitions. Second operand 132 states. [2018-07-23 13:45:09,900 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-07-23 13:45:09,901 INFO L93 Difference]: Finished difference Result 266 states and 266 transitions. [2018-07-23 13:45:09,901 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 132 states. [2018-07-23 13:45:09,901 INFO L78 Accepts]: Start accepts. Automaton has 132 states. Word has length 260 [2018-07-23 13:45:09,901 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-07-23 13:45:09,902 INFO L225 Difference]: With dead ends: 266 [2018-07-23 13:45:09,902 INFO L226 Difference]: Without dead ends: 264 [2018-07-23 13:45:09,903 INFO L575 BasicCegarLoop]: 0 DeclaredPredicates, 131 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 130 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.9s TimeCoverageRelationStatistics Valid=261, Invalid=17031, Unknown=0, NotChecked=0, Total=17292 [2018-07-23 13:45:09,904 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 264 states. [2018-07-23 13:45:10,045 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 264 to 263. [2018-07-23 13:45:10,046 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 263 states. [2018-07-23 13:45:10,046 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 263 states to 263 states and 263 transitions. [2018-07-23 13:45:10,046 INFO L78 Accepts]: Start accepts. Automaton has 263 states and 263 transitions. Word has length 260 [2018-07-23 13:45:10,046 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-07-23 13:45:10,046 INFO L471 AbstractCegarLoop]: Abstraction has 263 states and 263 transitions. [2018-07-23 13:45:10,047 INFO L472 AbstractCegarLoop]: Interpolant automaton has 132 states. [2018-07-23 13:45:10,047 INFO L276 IsEmpty]: Start isEmpty. Operand 263 states and 263 transitions. [2018-07-23 13:45:10,047 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 263 [2018-07-23 13:45:10,047 INFO L349 BasicCegarLoop]: Found error trace [2018-07-23 13:45:10,047 INFO L357 BasicCegarLoop]: trace histogram [130, 129, 1, 1, 1] [2018-07-23 13:45:10,047 INFO L414 AbstractCegarLoop]: === Iteration 130 === [ULTIMATE.startErr0AssertViolationASSERT]=== [2018-07-23 13:45:10,048 INFO L82 PathProgramCache]: Analyzing trace with hash -1505030747, now seen corresponding path program 129 times [2018-07-23 13:45:10,048 INFO L69 tionRefinementEngine]: Using refinement strategy FixedRefinementStrategy [2018-07-23 13:45:10,741 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-07-23 13:45:12,881 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 13:45:12,881 INFO L309 seRefinementStrategy]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2018-07-23 13:45:12,881 INFO L324 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [132] total 132 [2018-07-23 13:45:12,881 INFO L142 lantAutomatonBuilder]: Constructing canonical interpolant automaton, with selfloop in false state [2018-07-23 13:45:12,882 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-07-23 13:45:12,882 INFO L185 omatonBuilderFactory]: Interpolants [79217#true, 79219#(<= 520 (+ ULTIMATE.start_main_~x~4 (* 130 ULTIMATE.start_main_~y~4))), 79218#false, 79221#(<= 1548 (+ ULTIMATE.start_main_~x~4 (* 128 ULTIMATE.start_main_~y~4))), 79220#(<= 1036 (+ ULTIMATE.start_main_~x~4 (* 129 ULTIMATE.start_main_~y~4))), 79223#(<= 2560 (+ ULTIMATE.start_main_~x~4 (* 126 ULTIMATE.start_main_~y~4))), 79222#(<= 2056 (+ ULTIMATE.start_main_~x~4 (* 127 ULTIMATE.start_main_~y~4))), 79225#(<= 3556 (+ ULTIMATE.start_main_~x~4 (* 124 ULTIMATE.start_main_~y~4))), 79224#(<= 3060 (+ ULTIMATE.start_main_~x~4 (* 125 ULTIMATE.start_main_~y~4))), 79227#(<= 4536 (+ ULTIMATE.start_main_~x~4 (* 122 ULTIMATE.start_main_~y~4))), 79226#(<= 4048 (+ ULTIMATE.start_main_~x~4 (* 123 ULTIMATE.start_main_~y~4))), 79229#(<= 5500 (+ ULTIMATE.start_main_~x~4 (* 120 ULTIMATE.start_main_~y~4))), 79228#(<= 5020 (+ ULTIMATE.start_main_~x~4 (* 121 ULTIMATE.start_main_~y~4))), 79231#(<= 6448 (+ ULTIMATE.start_main_~x~4 (* 118 ULTIMATE.start_main_~y~4))), 79230#(<= 5976 (+ ULTIMATE.start_main_~x~4 (* 119 ULTIMATE.start_main_~y~4))), 79233#(<= 7380 (+ ULTIMATE.start_main_~x~4 (* 116 ULTIMATE.start_main_~y~4))), 79232#(<= 6916 (+ ULTIMATE.start_main_~x~4 (* 117 ULTIMATE.start_main_~y~4))), 79235#(<= 8296 (+ ULTIMATE.start_main_~x~4 (* 114 ULTIMATE.start_main_~y~4))), 79234#(<= 7840 (+ ULTIMATE.start_main_~x~4 (* 115 ULTIMATE.start_main_~y~4))), 79237#(<= 9196 (+ ULTIMATE.start_main_~x~4 (* 112 ULTIMATE.start_main_~y~4))), 79236#(<= 8748 (+ ULTIMATE.start_main_~x~4 (* 113 ULTIMATE.start_main_~y~4))), 79239#(<= 10080 (+ ULTIMATE.start_main_~x~4 (* 110 ULTIMATE.start_main_~y~4))), 79238#(<= 9640 (+ ULTIMATE.start_main_~x~4 (* 111 ULTIMATE.start_main_~y~4))), 79241#(<= 10948 (+ ULTIMATE.start_main_~x~4 (* 108 ULTIMATE.start_main_~y~4))), 79240#(<= 10516 (+ ULTIMATE.start_main_~x~4 (* 109 ULTIMATE.start_main_~y~4))), 79243#(<= 11800 (+ ULTIMATE.start_main_~x~4 (* 106 ULTIMATE.start_main_~y~4))), 79242#(<= 11376 (+ ULTIMATE.start_main_~x~4 (* 107 ULTIMATE.start_main_~y~4))), 79245#(<= 12636 (+ ULTIMATE.start_main_~x~4 (* 104 ULTIMATE.start_main_~y~4))), 79244#(<= 12220 (+ ULTIMATE.start_main_~x~4 (* 105 ULTIMATE.start_main_~y~4))), 79247#(<= 13456 (+ ULTIMATE.start_main_~x~4 (* 102 ULTIMATE.start_main_~y~4))), 79246#(<= 13048 (+ ULTIMATE.start_main_~x~4 (* 103 ULTIMATE.start_main_~y~4))), 79249#(<= 14260 (+ ULTIMATE.start_main_~x~4 (* 100 ULTIMATE.start_main_~y~4))), 79248#(<= 13860 (+ ULTIMATE.start_main_~x~4 (* 101 ULTIMATE.start_main_~y~4))), 79251#(<= 15048 (+ ULTIMATE.start_main_~x~4 (* 98 ULTIMATE.start_main_~y~4))), 79250#(<= 14656 (+ ULTIMATE.start_main_~x~4 (* 99 ULTIMATE.start_main_~y~4))), 79253#(<= 15820 (+ ULTIMATE.start_main_~x~4 (* 96 ULTIMATE.start_main_~y~4))), 79252#(<= 15436 (+ ULTIMATE.start_main_~x~4 (* 97 ULTIMATE.start_main_~y~4))), 79255#(<= 16576 (+ ULTIMATE.start_main_~x~4 (* 94 ULTIMATE.start_main_~y~4))), 79254#(<= 16200 (+ ULTIMATE.start_main_~x~4 (* 95 ULTIMATE.start_main_~y~4))), 79257#(<= 17316 (+ ULTIMATE.start_main_~x~4 (* 92 ULTIMATE.start_main_~y~4))), 79256#(<= 16948 (+ ULTIMATE.start_main_~x~4 (* 93 ULTIMATE.start_main_~y~4))), 79259#(<= 18040 (+ ULTIMATE.start_main_~x~4 (* 90 ULTIMATE.start_main_~y~4))), 79258#(<= 17680 (+ ULTIMATE.start_main_~x~4 (* 91 ULTIMATE.start_main_~y~4))), 79261#(<= 18748 (+ ULTIMATE.start_main_~x~4 (* 88 ULTIMATE.start_main_~y~4))), 79260#(<= 18396 (+ ULTIMATE.start_main_~x~4 (* 89 ULTIMATE.start_main_~y~4))), 79263#(<= 19440 (+ ULTIMATE.start_main_~x~4 (* 86 ULTIMATE.start_main_~y~4))), 79262#(<= 19096 (+ ULTIMATE.start_main_~x~4 (* 87 ULTIMATE.start_main_~y~4))), 79265#(<= 20116 (+ ULTIMATE.start_main_~x~4 (* 84 ULTIMATE.start_main_~y~4))), 79264#(<= 19780 (+ ULTIMATE.start_main_~x~4 (* 85 ULTIMATE.start_main_~y~4))), 79267#(<= 20776 (+ ULTIMATE.start_main_~x~4 (* 82 ULTIMATE.start_main_~y~4))), 79266#(<= 20448 (+ ULTIMATE.start_main_~x~4 (* 83 ULTIMATE.start_main_~y~4))), 79269#(<= 21420 (+ ULTIMATE.start_main_~x~4 (* 80 ULTIMATE.start_main_~y~4))), 79268#(<= 21100 (+ ULTIMATE.start_main_~x~4 (* 81 ULTIMATE.start_main_~y~4))), 79271#(<= 22048 (+ ULTIMATE.start_main_~x~4 (* 78 ULTIMATE.start_main_~y~4))), 79270#(<= 21736 (+ ULTIMATE.start_main_~x~4 (* 79 ULTIMATE.start_main_~y~4))), 79273#(<= 22660 (+ ULTIMATE.start_main_~x~4 (* 76 ULTIMATE.start_main_~y~4))), 79272#(<= 22356 (+ ULTIMATE.start_main_~x~4 (* 77 ULTIMATE.start_main_~y~4))), 79275#(<= 23256 (+ ULTIMATE.start_main_~x~4 (* 74 ULTIMATE.start_main_~y~4))), 79274#(<= 22960 (+ ULTIMATE.start_main_~x~4 (* 75 ULTIMATE.start_main_~y~4))), 79277#(<= 23836 (+ ULTIMATE.start_main_~x~4 (* 72 ULTIMATE.start_main_~y~4))), 79276#(<= 23548 (+ ULTIMATE.start_main_~x~4 (* 73 ULTIMATE.start_main_~y~4))), 79279#(<= 24400 (+ ULTIMATE.start_main_~x~4 (* 70 ULTIMATE.start_main_~y~4))), 79278#(<= 24120 (+ ULTIMATE.start_main_~x~4 (* 71 ULTIMATE.start_main_~y~4))), 79281#(<= 24948 (+ ULTIMATE.start_main_~x~4 (* 68 ULTIMATE.start_main_~y~4))), 79280#(<= 24676 (+ ULTIMATE.start_main_~x~4 (* 69 ULTIMATE.start_main_~y~4))), 79283#(<= 25480 (+ ULTIMATE.start_main_~x~4 (* 66 ULTIMATE.start_main_~y~4))), 79282#(<= 25216 (+ ULTIMATE.start_main_~x~4 (* 67 ULTIMATE.start_main_~y~4))), 79285#(<= 25996 (+ ULTIMATE.start_main_~x~4 (* 64 ULTIMATE.start_main_~y~4))), 79284#(<= 25740 (+ ULTIMATE.start_main_~x~4 (* 65 ULTIMATE.start_main_~y~4))), 79287#(<= 26496 (+ ULTIMATE.start_main_~x~4 (* 62 ULTIMATE.start_main_~y~4))), 79286#(<= 26248 (+ ULTIMATE.start_main_~x~4 (* 63 ULTIMATE.start_main_~y~4))), 79289#(<= 26980 (+ ULTIMATE.start_main_~x~4 (* 60 ULTIMATE.start_main_~y~4))), 79288#(<= 26740 (+ ULTIMATE.start_main_~x~4 (* 61 ULTIMATE.start_main_~y~4))), 79291#(<= 27448 (+ ULTIMATE.start_main_~x~4 (* 58 ULTIMATE.start_main_~y~4))), 79290#(<= 27216 (+ ULTIMATE.start_main_~x~4 (* 59 ULTIMATE.start_main_~y~4))), 79293#(<= 27900 (+ ULTIMATE.start_main_~x~4 (* 56 ULTIMATE.start_main_~y~4))), 79292#(<= 27676 (+ ULTIMATE.start_main_~x~4 (* 57 ULTIMATE.start_main_~y~4))), 79295#(<= 28336 (+ ULTIMATE.start_main_~x~4 (* 54 ULTIMATE.start_main_~y~4))), 79294#(<= 28120 (+ ULTIMATE.start_main_~x~4 (* 55 ULTIMATE.start_main_~y~4))), 79297#(<= 28756 (+ ULTIMATE.start_main_~x~4 (* 52 ULTIMATE.start_main_~y~4))), 79296#(<= 28548 (+ ULTIMATE.start_main_~x~4 (* 53 ULTIMATE.start_main_~y~4))), 79299#(<= 29160 (+ ULTIMATE.start_main_~x~4 (* 50 ULTIMATE.start_main_~y~4))), 79298#(<= 28960 (+ ULTIMATE.start_main_~x~4 (* 51 ULTIMATE.start_main_~y~4))), 79301#(<= 29548 (+ ULTIMATE.start_main_~x~4 (* 48 ULTIMATE.start_main_~y~4))), 79300#(<= 29356 (+ ULTIMATE.start_main_~x~4 (* 49 ULTIMATE.start_main_~y~4))), 79303#(<= 29920 (+ ULTIMATE.start_main_~x~4 (* 46 ULTIMATE.start_main_~y~4))), 79302#(<= 29736 (+ ULTIMATE.start_main_~x~4 (* 47 ULTIMATE.start_main_~y~4))), 79305#(<= 30276 (+ ULTIMATE.start_main_~x~4 (* 44 ULTIMATE.start_main_~y~4))), 79304#(<= 30100 (+ ULTIMATE.start_main_~x~4 (* 45 ULTIMATE.start_main_~y~4))), 79307#(<= 30616 (+ ULTIMATE.start_main_~x~4 (* 42 ULTIMATE.start_main_~y~4))), 79306#(<= 30448 (+ ULTIMATE.start_main_~x~4 (* 43 ULTIMATE.start_main_~y~4))), 79309#(<= 30940 (+ ULTIMATE.start_main_~x~4 (* 40 ULTIMATE.start_main_~y~4))), 79308#(<= 30780 (+ ULTIMATE.start_main_~x~4 (* 41 ULTIMATE.start_main_~y~4))), 79311#(<= 31248 (+ ULTIMATE.start_main_~x~4 (* 38 ULTIMATE.start_main_~y~4))), 79310#(<= 31096 (+ ULTIMATE.start_main_~x~4 (* 39 ULTIMATE.start_main_~y~4))), 79313#(<= 31540 (+ ULTIMATE.start_main_~x~4 (* 36 ULTIMATE.start_main_~y~4))), 79312#(<= 31396 (+ ULTIMATE.start_main_~x~4 (* 37 ULTIMATE.start_main_~y~4))), 79315#(<= 31816 (+ ULTIMATE.start_main_~x~4 (* 34 ULTIMATE.start_main_~y~4))), 79314#(<= 31680 (+ ULTIMATE.start_main_~x~4 (* 35 ULTIMATE.start_main_~y~4))), 79317#(<= 32076 (+ ULTIMATE.start_main_~x~4 (* 32 ULTIMATE.start_main_~y~4))), 79316#(<= 31948 (+ ULTIMATE.start_main_~x~4 (* 33 ULTIMATE.start_main_~y~4))), 79319#(<= 32320 (+ ULTIMATE.start_main_~x~4 (* 30 ULTIMATE.start_main_~y~4))), 79318#(<= 32200 (+ ULTIMATE.start_main_~x~4 (* 31 ULTIMATE.start_main_~y~4))), 79321#(<= 32548 (+ ULTIMATE.start_main_~x~4 (* 28 ULTIMATE.start_main_~y~4))), 79320#(<= 32436 (+ ULTIMATE.start_main_~x~4 (* 29 ULTIMATE.start_main_~y~4))), 79323#(<= 32760 (+ ULTIMATE.start_main_~x~4 (* 26 ULTIMATE.start_main_~y~4))), 79322#(<= 32656 (+ ULTIMATE.start_main_~x~4 (* 27 ULTIMATE.start_main_~y~4))), 79325#(<= 32956 (+ ULTIMATE.start_main_~x~4 (* 24 ULTIMATE.start_main_~y~4))), 79324#(<= 32860 (+ ULTIMATE.start_main_~x~4 (* 25 ULTIMATE.start_main_~y~4))), 79327#(<= 33136 (+ ULTIMATE.start_main_~x~4 (* 22 ULTIMATE.start_main_~y~4))), 79326#(<= 33048 (+ ULTIMATE.start_main_~x~4 (* 23 ULTIMATE.start_main_~y~4))), 79329#(<= 33300 (+ ULTIMATE.start_main_~x~4 (* 20 ULTIMATE.start_main_~y~4))), 79328#(<= 33220 (+ ULTIMATE.start_main_~x~4 (* 21 ULTIMATE.start_main_~y~4))), 79331#(<= 33448 (+ ULTIMATE.start_main_~x~4 (* 18 ULTIMATE.start_main_~y~4))), 79330#(<= 33376 (+ ULTIMATE.start_main_~x~4 (* 19 ULTIMATE.start_main_~y~4))), 79333#(<= 33580 (+ ULTIMATE.start_main_~x~4 (* 16 ULTIMATE.start_main_~y~4))), 79332#(<= 33516 (+ ULTIMATE.start_main_~x~4 (* 17 ULTIMATE.start_main_~y~4))), 79335#(<= 33696 (+ ULTIMATE.start_main_~x~4 (* 14 ULTIMATE.start_main_~y~4))), 79334#(<= 33640 (+ ULTIMATE.start_main_~x~4 (* 15 ULTIMATE.start_main_~y~4))), 79337#(<= 33796 (+ ULTIMATE.start_main_~x~4 (* 12 ULTIMATE.start_main_~y~4))), 79336#(<= 33748 (+ ULTIMATE.start_main_~x~4 (* 13 ULTIMATE.start_main_~y~4))), 79339#(<= 33880 (+ ULTIMATE.start_main_~x~4 (* 10 ULTIMATE.start_main_~y~4))), 79338#(<= 33840 (+ ULTIMATE.start_main_~x~4 (* 11 ULTIMATE.start_main_~y~4))), 79341#(<= 33948 (+ ULTIMATE.start_main_~x~4 (* 8 ULTIMATE.start_main_~y~4))), 79340#(<= 33916 (+ ULTIMATE.start_main_~x~4 (* 9 ULTIMATE.start_main_~y~4))), 79343#(<= 34000 (+ ULTIMATE.start_main_~x~4 (* 6 ULTIMATE.start_main_~y~4))), 79342#(<= 33976 (+ ULTIMATE.start_main_~x~4 (* 7 ULTIMATE.start_main_~y~4))), 79345#(<= 34036 (+ ULTIMATE.start_main_~x~4 (* 4 ULTIMATE.start_main_~y~4))), 79344#(<= 34020 (+ ULTIMATE.start_main_~x~4 (* 5 ULTIMATE.start_main_~y~4))), 79347#(<= 34056 (+ ULTIMATE.start_main_~x~4 (* 2 ULTIMATE.start_main_~y~4))), 79346#(<= 34048 (+ ULTIMATE.start_main_~x~4 (* 3 ULTIMATE.start_main_~y~4))), 79349#(<= 1 ULTIMATE.start___VERIFIER_assert_~cond), 79348#(<= 34060 (+ ULTIMATE.start_main_~x~4 ULTIMATE.start_main_~y~4))] [2018-07-23 13:45:12,883 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 13:45:12,883 INFO L450 AbstractCegarLoop]: Interpolant automaton has 133 states [2018-07-23 13:45:12,884 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 133 interpolants. [2018-07-23 13:45:12,884 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=263, Invalid=17293, Unknown=0, NotChecked=0, Total=17556 [2018-07-23 13:45:12,884 INFO L87 Difference]: Start difference. First operand 263 states and 263 transitions. Second operand 133 states. [2018-07-23 13:45:15,834 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-07-23 13:45:15,835 INFO L93 Difference]: Finished difference Result 268 states and 268 transitions. [2018-07-23 13:45:15,835 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 133 states. [2018-07-23 13:45:15,835 INFO L78 Accepts]: Start accepts. Automaton has 133 states. Word has length 262 [2018-07-23 13:45:15,835 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-07-23 13:45:15,836 INFO L225 Difference]: With dead ends: 268 [2018-07-23 13:45:15,836 INFO L226 Difference]: Without dead ends: 266 [2018-07-23 13:45:15,837 INFO L575 BasicCegarLoop]: 0 DeclaredPredicates, 132 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 131 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.9s TimeCoverageRelationStatistics Valid=263, Invalid=17293, Unknown=0, NotChecked=0, Total=17556 [2018-07-23 13:45:15,837 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 266 states. [2018-07-23 13:45:15,961 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 266 to 265. [2018-07-23 13:45:15,961 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 265 states. [2018-07-23 13:45:15,962 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 265 states to 265 states and 265 transitions. [2018-07-23 13:45:15,962 INFO L78 Accepts]: Start accepts. Automaton has 265 states and 265 transitions. Word has length 262 [2018-07-23 13:45:15,962 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-07-23 13:45:15,962 INFO L471 AbstractCegarLoop]: Abstraction has 265 states and 265 transitions. [2018-07-23 13:45:15,962 INFO L472 AbstractCegarLoop]: Interpolant automaton has 133 states. [2018-07-23 13:45:15,962 INFO L276 IsEmpty]: Start isEmpty. Operand 265 states and 265 transitions. [2018-07-23 13:45:15,963 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 265 [2018-07-23 13:45:15,963 INFO L349 BasicCegarLoop]: Found error trace [2018-07-23 13:45:15,963 INFO L357 BasicCegarLoop]: trace histogram [131, 130, 1, 1, 1] [2018-07-23 13:45:15,963 INFO L414 AbstractCegarLoop]: === Iteration 131 === [ULTIMATE.startErr0AssertViolationASSERT]=== [2018-07-23 13:45:15,963 INFO L82 PathProgramCache]: Analyzing trace with hash 1069377583, now seen corresponding path program 130 times [2018-07-23 13:45:15,963 INFO L69 tionRefinementEngine]: Using refinement strategy FixedRefinementStrategy [2018-07-23 13:45:16,623 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat Received shutdown request... [2018-07-23 13:45:17,600 WARN L540 AbstractCegarLoop]: Verification canceled [2018-07-23 13:45:17,604 WARN L202 ceAbstractionStarter]: Timeout [2018-07-23 13:45:17,604 INFO L202 PluginConnector]: Adding new model jain_5.i_2.bplTransformedIcfg_BEv2_4.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 23.07 01:45:17 BoogieIcfgContainer [2018-07-23 13:45:17,604 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2018-07-23 13:45:17,605 INFO L168 Benchmark]: Toolchain (without parser) took 255157.24 ms. Allocated memory was 1.5 GB in the beginning and 3.4 GB in the end (delta: 1.9 GB). Free memory was 1.5 GB in the beginning and 1.7 GB in the end (delta: -287.8 MB). Peak memory consumption was 2.3 GB. Max. memory is 7.1 GB. [2018-07-23 13:45:17,607 INFO L168 Benchmark]: Boogie PL CUP Parser took 0.31 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 13:45:17,607 INFO L168 Benchmark]: Boogie Preprocessor took 58.54 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 13:45:17,607 INFO L168 Benchmark]: RCFGBuilder took 311.14 ms. Allocated memory is still 1.5 GB. Free memory was 1.5 GB in the beginning and 1.4 GB in the end (delta: 10.6 MB). Peak memory consumption was 10.6 MB. Max. memory is 7.1 GB. [2018-07-23 13:45:17,608 INFO L168 Benchmark]: TraceAbstraction took 254782.71 ms. Allocated memory was 1.5 GB in the beginning and 3.4 GB in the end (delta: 1.9 GB). Free memory was 1.4 GB in the beginning and 1.7 GB in the end (delta: -298.4 MB). Peak memory consumption was 2.3 GB. Max. memory is 7.1 GB. [2018-07-23 13:45:17,611 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 0.31 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 58.54 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 311.14 ms. Allocated memory is still 1.5 GB. Free memory was 1.5 GB in the beginning and 1.4 GB in the end (delta: 10.6 MB). Peak memory consumption was 10.6 MB. Max. memory is 7.1 GB. * TraceAbstraction took 254782.71 ms. Allocated memory was 1.5 GB in the beginning and 3.4 GB in the end (delta: 1.9 GB). Free memory was 1.4 GB in the beginning and 1.7 GB in the end (delta: -298.4 MB). Peak memory consumption was 2.3 GB. Max. memory is 7.1 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - TimeoutResultAtElement [Line: 45]: Timeout (TraceAbstraction) Unable to prove that assertion always holds (line 45). Cancelled while BasicCegarLoop was analyzing trace of length 265 with TraceHistMax 131, while InterpolatingTraceCheckCraig was constructing Craig interpolants, while NestedInterpolantsBuilder was constructing predicates for 263 interpolants. - StatisticsResult: Ultimate Automizer benchmark data CFG has 1 procedures, 9 locations, 1 error locations. TIMEOUT Result, 254.7s OverallTime, 131 OverallIterations, 131 TraceHistogramMax, 143.0s AutomataDifference, 0.0s DeadEndRemovalTime, 0.0s HoareAnnotationTime, HoareTripleCheckerStatistics: 8905 SDtfs, 130 SDslu, 741195 SDs, 0 SdLazy, 783511 SolverSat, 0 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 105.2s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 8775 GetRequests, 130 SyntacticMatches, 0 SemanticMatches, 8645 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 43.4s Time, 0.1s BasicInterpolantAutomatonTime, BiggestAbstraction: size=265occurred in iteration=130, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/732290 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s AbstIntTime, 0 AbstIntIterations, 0 AbstIntStrong, NaN AbsIntWeakeningRatio, NaN AbsIntAvgWeakeningVarsNumRemoved, NaN AbsIntAvgWeakenedConjuncts, 0.0s DumpTime, AutomataMinimizationStatistics: 6.4s AutomataMinimizationTime, 130 MinimizatonAttempts, 130 StatesRemovedByMinimization, 130 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TraceCheckStatistics: 0.3s SsaConstructionTime, 16.8s SatisfiabilityAnalysisTime, 80.8s InterpolantComputationTime, 17290 NumberOfCodeBlocks, 17290 NumberOfCodeBlocksAsserted, 130 NumberOfCheckSat, 17160 ConstructedInterpolants, 0 QuantifiedInterpolants, 20741636 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 130 InterpolantComputations, 1 PerfectInterpolantSequences, 0/732290 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/jain_5.i_2.bplTransformedIcfg_BEv2_4.bpl_AutomizerBpl-nestedInterpolants.epf_AutomizerBpl.xml/Csv-Benchmark-0-2018-07-23_13-45-17-626.csv Written .csv to /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/csv/jain_5.i_2.bplTransformedIcfg_BEv2_4.bpl_AutomizerBpl-nestedInterpolants.epf_AutomizerBpl.xml/Csv-TraceAbstractionBenchmarks-0-2018-07-23_13-45-17-626.csv Completed graceful shutdown