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/toy/tooDifficultLoopInvariant/Sandman01.bpl -------------------------------------------------------------------------------- This is Ultimate 0.1.23-935f392 [2018-07-23 13:55:51,209 INFO L170 SettingsManager]: Resetting all preferences to default values... [2018-07-23 13:55:51,211 INFO L174 SettingsManager]: Resetting UltimateCore preferences to default values [2018-07-23 13:55:51,227 INFO L177 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2018-07-23 13:55:51,227 INFO L174 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2018-07-23 13:55:51,228 INFO L174 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2018-07-23 13:55:51,230 INFO L174 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2018-07-23 13:55:51,231 INFO L174 SettingsManager]: Resetting LassoRanker preferences to default values [2018-07-23 13:55:51,233 INFO L174 SettingsManager]: Resetting Reaching Definitions preferences to default values [2018-07-23 13:55:51,234 INFO L174 SettingsManager]: Resetting SyntaxChecker preferences to default values [2018-07-23 13:55:51,235 INFO L177 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2018-07-23 13:55:51,235 INFO L174 SettingsManager]: Resetting LTL2Aut preferences to default values [2018-07-23 13:55:51,236 INFO L174 SettingsManager]: Resetting PEA to Boogie preferences to default values [2018-07-23 13:55:51,237 INFO L174 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2018-07-23 13:55:51,238 INFO L174 SettingsManager]: Resetting ChcToBoogie preferences to default values [2018-07-23 13:55:51,239 INFO L174 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2018-07-23 13:55:51,240 INFO L174 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2018-07-23 13:55:51,242 INFO L174 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2018-07-23 13:55:51,244 INFO L174 SettingsManager]: Resetting CodeCheck preferences to default values [2018-07-23 13:55:51,246 INFO L174 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2018-07-23 13:55:51,247 INFO L174 SettingsManager]: Resetting RCFGBuilder preferences to default values [2018-07-23 13:55:51,248 INFO L174 SettingsManager]: Resetting TraceAbstraction preferences to default values [2018-07-23 13:55:51,251 INFO L177 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2018-07-23 13:55:51,252 INFO L177 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2018-07-23 13:55:51,252 INFO L174 SettingsManager]: Resetting TreeAutomizer preferences to default values [2018-07-23 13:55:51,253 INFO L174 SettingsManager]: Resetting IcfgTransformer preferences to default values [2018-07-23 13:55:51,254 INFO L174 SettingsManager]: Resetting Boogie Printer preferences to default values [2018-07-23 13:55:51,255 INFO L174 SettingsManager]: Resetting ReqPrinter preferences to default values [2018-07-23 13:55:51,256 INFO L174 SettingsManager]: Resetting Witness Printer preferences to default values [2018-07-23 13:55:51,257 INFO L177 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2018-07-23 13:55:51,258 INFO L174 SettingsManager]: Resetting CDTParser preferences to default values [2018-07-23 13:55:51,258 INFO L177 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... 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[2018-07-23 13:55:51,261 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 13:55:51,275 INFO L110 SettingsManager]: Loading preferences was successful [2018-07-23 13:55:51,275 INFO L112 SettingsManager]: Preferences different from defaults after loading the file: [2018-07-23 13:55:51,276 INFO L131 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2018-07-23 13:55:51,277 INFO L133 SettingsManager]: * SMT solver=Internal_SMTInterpol [2018-07-23 13:55:51,277 INFO L131 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2018-07-23 13:55:51,277 INFO L133 SettingsManager]: * Compute Interpolants along a Counterexample=Craig_NestedInterpolation [2018-07-23 13:55:51,277 INFO L133 SettingsManager]: * Use separate solver for trace checks=false [2018-07-23 13:55:51,277 INFO L133 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2018-07-23 13:55:51,336 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2018-07-23 13:55:51,358 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2018-07-23 13:55:51,363 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2018-07-23 13:55:51,365 INFO L271 PluginConnector]: Initializing Boogie PL CUP Parser... [2018-07-23 13:55:51,366 INFO L276 PluginConnector]: Boogie PL CUP Parser initialized [2018-07-23 13:55:51,367 INFO L418 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/programs/toy/tooDifficultLoopInvariant/Sandman01.bpl [2018-07-23 13:55:51,367 INFO L111 BoogieParser]: Parsing: '/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/programs/toy/tooDifficultLoopInvariant/Sandman01.bpl' [2018-07-23 13:55:51,424 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2018-07-23 13:55:51,426 INFO L131 ToolchainWalker]: Walking toolchain with 3 elements. [2018-07-23 13:55:51,427 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2018-07-23 13:55:51,427 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2018-07-23 13:55:51,428 INFO L276 PluginConnector]: Boogie Preprocessor initialized [2018-07-23 13:55:51,456 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "Sandman01.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 23.07 01:55:51" (1/1) ... [2018-07-23 13:55:51,458 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "Sandman01.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 23.07 01:55:51" (1/1) ... [2018-07-23 13:55:51,470 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "Sandman01.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 23.07 01:55:51" (1/1) ... [2018-07-23 13:55:51,470 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "Sandman01.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 23.07 01:55:51" (1/1) ... [2018-07-23 13:55:51,473 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "Sandman01.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 23.07 01:55:51" (1/1) ... [2018-07-23 13:55:51,478 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "Sandman01.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 23.07 01:55:51" (1/1) ... [2018-07-23 13:55:51,478 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "Sandman01.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 23.07 01:55:51" (1/1) ... [2018-07-23 13:55:51,480 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2018-07-23 13:55:51,481 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2018-07-23 13:55:51,481 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2018-07-23 13:55:51,481 INFO L276 PluginConnector]: RCFGBuilder initialized [2018-07-23 13:55:51,482 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "Sandman01.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 23.07 01:55:51" (1/1) ... [2018-07-23 13:55:51,573 INFO L124 BoogieDeclarations]: Specification and implementation of procedure main given in one single declaration [2018-07-23 13:55:51,574 INFO L130 BoogieDeclarations]: Found specification of procedure main [2018-07-23 13:55:51,574 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2018-07-23 13:55:51,709 INFO L258 CfgBuilder]: Using library mode [2018-07-23 13:55:51,712 INFO L202 PluginConnector]: Adding new model Sandman01.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.07 01:55:51 BoogieIcfgContainer [2018-07-23 13:55:51,713 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2018-07-23 13:55:51,714 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2018-07-23 13:55:51,714 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2018-07-23 13:55:51,720 INFO L276 PluginConnector]: TraceAbstraction initialized [2018-07-23 13:55:51,720 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "Sandman01.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 23.07 01:55:51" (1/2) ... [2018-07-23 13:55:51,722 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@76301227 and model type Sandman01.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 23.07 01:55:51, skipping insertion in model container [2018-07-23 13:55:51,723 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "Sandman01.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.07 01:55:51" (2/2) ... [2018-07-23 13:55:51,725 INFO L112 eAbstractionObserver]: Analyzing ICFG Sandman01.bpl [2018-07-23 13:55:51,735 INFO L132 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:Craig_NestedInterpolation Determinization: PREDICATE_ABSTRACTION [2018-07-23 13:55:51,748 INFO L144 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2018-07-23 13:55:51,801 INFO L128 ementStrategyFactory]: Using default assertion order modulation [2018-07-23 13:55:51,802 INFO L373 AbstractCegarLoop]: Interprodecural is true [2018-07-23 13:55:51,803 INFO L374 AbstractCegarLoop]: Hoare is true [2018-07-23 13:55:51,803 INFO L375 AbstractCegarLoop]: Compute interpolants for Craig_NestedInterpolation [2018-07-23 13:55:51,803 INFO L376 AbstractCegarLoop]: Backedges is CANONICAL [2018-07-23 13:55:51,803 INFO L377 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2018-07-23 13:55:51,804 INFO L378 AbstractCegarLoop]: Difference is false [2018-07-23 13:55:51,804 INFO L379 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2018-07-23 13:55:51,804 INFO L384 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2018-07-23 13:55:51,822 INFO L276 IsEmpty]: Start isEmpty. Operand 6 states. [2018-07-23 13:55:51,835 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 4 [2018-07-23 13:55:51,835 INFO L349 BasicCegarLoop]: Found error trace [2018-07-23 13:55:51,836 INFO L357 BasicCegarLoop]: trace histogram [1, 1, 1] [2018-07-23 13:55:51,837 INFO L414 AbstractCegarLoop]: === Iteration 1 === [mainErr0AssertViolationASSERT]=== [2018-07-23 13:55:51,844 INFO L82 PathProgramCache]: Analyzing trace with hash 30048, now seen corresponding path program 1 times [2018-07-23 13:55:51,852 INFO L69 tionRefinementEngine]: Using refinement strategy FixedRefinementStrategy [2018-07-23 13:55:51,887 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-07-23 13:55:51,968 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-07-23 13:55:51,971 INFO L309 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-07-23 13:55:51,972 INFO L324 seRefinementStrategy]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2018-07-23 13:55:51,974 INFO L142 lantAutomatonBuilder]: Constructing canonical interpolant automaton, with selfloop in false state [2018-07-23 13:55:51,974 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-07-23 13:55:51,975 INFO L185 omatonBuilderFactory]: Interpolants [9#true, 10#false, 11#(or (= (select main_a main_x) 0) (= main_x main_y))] [2018-07-23 13:55:51,975 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-07-23 13:55:51,976 INFO L450 AbstractCegarLoop]: Interpolant automaton has 3 states [2018-07-23 13:55:51,991 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2018-07-23 13:55:51,991 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2018-07-23 13:55:51,994 INFO L87 Difference]: Start difference. First operand 6 states. Second operand 3 states. [2018-07-23 13:55:52,035 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-07-23 13:55:52,035 INFO L93 Difference]: Finished difference Result 13 states and 14 transitions. [2018-07-23 13:55:52,036 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2018-07-23 13:55:52,037 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 3 [2018-07-23 13:55:52,038 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-07-23 13:55:52,049 INFO L225 Difference]: With dead ends: 13 [2018-07-23 13:55:52,050 INFO L226 Difference]: Without dead ends: 5 [2018-07-23 13:55:52,054 INFO L575 BasicCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2018-07-23 13:55:52,074 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 5 states. [2018-07-23 13:55:52,089 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 5 to 5. [2018-07-23 13:55:52,091 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 5 states. [2018-07-23 13:55:52,091 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5 states to 5 states and 5 transitions. [2018-07-23 13:55:52,093 INFO L78 Accepts]: Start accepts. Automaton has 5 states and 5 transitions. Word has length 3 [2018-07-23 13:55:52,094 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-07-23 13:55:52,094 INFO L471 AbstractCegarLoop]: Abstraction has 5 states and 5 transitions. [2018-07-23 13:55:52,094 INFO L472 AbstractCegarLoop]: Interpolant automaton has 3 states. [2018-07-23 13:55:52,094 INFO L276 IsEmpty]: Start isEmpty. Operand 5 states and 5 transitions. [2018-07-23 13:55:52,095 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2018-07-23 13:55:52,095 INFO L349 BasicCegarLoop]: Found error trace [2018-07-23 13:55:52,095 INFO L357 BasicCegarLoop]: trace histogram [1, 1, 1, 1] [2018-07-23 13:55:52,096 INFO L414 AbstractCegarLoop]: === Iteration 2 === [mainErr0AssertViolationASSERT]=== [2018-07-23 13:55:52,096 INFO L82 PathProgramCache]: Analyzing trace with hash 927622, now seen corresponding path program 1 times [2018-07-23 13:55:52,096 INFO L69 tionRefinementEngine]: Using refinement strategy FixedRefinementStrategy [2018-07-23 13:55:52,105 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-07-23 13:55:52,160 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-07-23 13:55:52,160 INFO L309 seRefinementStrategy]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2018-07-23 13:55:52,161 INFO L324 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [3] total 3 [2018-07-23 13:55:52,161 INFO L142 lantAutomatonBuilder]: Constructing canonical interpolant automaton, with selfloop in false state [2018-07-23 13:55:52,161 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-07-23 13:55:52,162 INFO L185 omatonBuilderFactory]: Interpolants [48#true, 49#false, 50#(or (= 0 (select main_a main_x)) (= main_x main_y)), 51#(or (not (= (select main_a main_x) 1000)) (= main_x main_y))] [2018-07-23 13:55:52,162 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-07-23 13:55:52,164 INFO L450 AbstractCegarLoop]: Interpolant automaton has 4 states [2018-07-23 13:55:52,165 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2018-07-23 13:55:52,165 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2018-07-23 13:55:52,165 INFO L87 Difference]: Start difference. First operand 5 states and 5 transitions. Second operand 4 states. [2018-07-23 13:55:52,184 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-07-23 13:55:52,185 INFO L93 Difference]: Finished difference Result 8 states and 8 transitions. [2018-07-23 13:55:52,185 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2018-07-23 13:55:52,185 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 4 [2018-07-23 13:55:52,185 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-07-23 13:55:52,186 INFO L225 Difference]: With dead ends: 8 [2018-07-23 13:55:52,186 INFO L226 Difference]: Without dead ends: 6 [2018-07-23 13:55:52,187 INFO L575 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2018-07-23 13:55:52,187 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 6 states. [2018-07-23 13:55:52,192 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 6 to 6. [2018-07-23 13:55:52,192 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 6 states. [2018-07-23 13:55:52,193 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6 states to 6 states and 6 transitions. [2018-07-23 13:55:52,193 INFO L78 Accepts]: Start accepts. Automaton has 6 states and 6 transitions. Word has length 4 [2018-07-23 13:55:52,193 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-07-23 13:55:52,193 INFO L471 AbstractCegarLoop]: Abstraction has 6 states and 6 transitions. [2018-07-23 13:55:52,194 INFO L472 AbstractCegarLoop]: Interpolant automaton has 4 states. [2018-07-23 13:55:52,196 INFO L276 IsEmpty]: Start isEmpty. Operand 6 states and 6 transitions. [2018-07-23 13:55:52,197 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 6 [2018-07-23 13:55:52,197 INFO L349 BasicCegarLoop]: Found error trace [2018-07-23 13:55:52,198 INFO L357 BasicCegarLoop]: trace histogram [2, 1, 1, 1] [2018-07-23 13:55:52,199 INFO L414 AbstractCegarLoop]: === Iteration 3 === [mainErr0AssertViolationASSERT]=== [2018-07-23 13:55:52,199 INFO L82 PathProgramCache]: Analyzing trace with hash 28752416, now seen corresponding path program 2 times [2018-07-23 13:55:52,199 INFO L69 tionRefinementEngine]: Using refinement strategy FixedRefinementStrategy [2018-07-23 13:55:52,211 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-07-23 13:55:52,284 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 3 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-07-23 13:55:52,284 INFO L309 seRefinementStrategy]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2018-07-23 13:55:52,285 INFO L324 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [4] total 4 [2018-07-23 13:55:52,285 INFO L142 lantAutomatonBuilder]: Constructing canonical interpolant automaton, with selfloop in false state [2018-07-23 13:55:52,285 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-07-23 13:55:52,285 INFO L185 omatonBuilderFactory]: Interpolants [80#true, 81#false, 82#(or (= 0 (select main_a main_x)) (= main_x main_y)), 83#(or (<= (select main_a main_x) 1) (= main_x main_y)), 84#(or (not (= (select main_a main_x) 1000)) (= main_x main_y))] [2018-07-23 13:55:52,286 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 3 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-07-23 13:55:52,286 INFO L450 AbstractCegarLoop]: Interpolant automaton has 5 states [2018-07-23 13:55:52,286 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2018-07-23 13:55:52,287 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=10, Unknown=0, NotChecked=0, Total=20 [2018-07-23 13:55:52,287 INFO L87 Difference]: Start difference. First operand 6 states and 6 transitions. Second operand 5 states. [2018-07-23 13:55:52,314 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-07-23 13:55:52,315 INFO L93 Difference]: Finished difference Result 9 states and 9 transitions. [2018-07-23 13:55:52,315 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2018-07-23 13:55:52,315 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 5 [2018-07-23 13:55:52,316 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-07-23 13:55:52,316 INFO L225 Difference]: With dead ends: 9 [2018-07-23 13:55:52,316 INFO L226 Difference]: Without dead ends: 7 [2018-07-23 13:55:52,317 INFO L575 BasicCegarLoop]: 0 DeclaredPredicates, 4 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=10, Invalid=10, Unknown=0, NotChecked=0, Total=20 [2018-07-23 13:55:52,317 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 7 states. [2018-07-23 13:55:52,320 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 7 to 7. [2018-07-23 13:55:52,321 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 7 states. [2018-07-23 13:55:52,321 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 7 states to 7 states and 7 transitions. [2018-07-23 13:55:52,321 INFO L78 Accepts]: Start accepts. Automaton has 7 states and 7 transitions. Word has length 5 [2018-07-23 13:55:52,322 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-07-23 13:55:52,322 INFO L471 AbstractCegarLoop]: Abstraction has 7 states and 7 transitions. [2018-07-23 13:55:52,322 INFO L472 AbstractCegarLoop]: Interpolant automaton has 5 states. [2018-07-23 13:55:52,322 INFO L276 IsEmpty]: Start isEmpty. Operand 7 states and 7 transitions. [2018-07-23 13:55:52,322 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 7 [2018-07-23 13:55:52,323 INFO L349 BasicCegarLoop]: Found error trace [2018-07-23 13:55:52,323 INFO L357 BasicCegarLoop]: trace histogram [3, 1, 1, 1] [2018-07-23 13:55:52,323 INFO L414 AbstractCegarLoop]: === Iteration 4 === [mainErr0AssertViolationASSERT]=== [2018-07-23 13:55:52,323 INFO L82 PathProgramCache]: Analyzing trace with hash 891321030, now seen corresponding path program 3 times [2018-07-23 13:55:52,323 INFO L69 tionRefinementEngine]: Using refinement strategy FixedRefinementStrategy [2018-07-23 13:55:52,333 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-07-23 13:55:52,444 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 13:55:52,445 INFO L309 seRefinementStrategy]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2018-07-23 13:55:52,445 INFO L324 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [5] total 5 [2018-07-23 13:55:52,446 INFO L142 lantAutomatonBuilder]: Constructing canonical interpolant automaton, with selfloop in false state [2018-07-23 13:55:52,446 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-07-23 13:55:52,447 INFO L185 omatonBuilderFactory]: Interpolants [117#true, 118#false, 119#(or (= 0 (select main_a main_x)) (= main_x main_y)), 120#(or (<= (select main_a main_x) 1) (= main_x main_y)), 121#(or (= main_x main_y) (<= (select main_a main_x) 2)), 122#(or (not (= (select main_a main_x) 1000)) (= main_x main_y))] [2018-07-23 13:55:52,447 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 13:55:52,449 INFO L450 AbstractCegarLoop]: Interpolant automaton has 6 states [2018-07-23 13:55:52,450 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2018-07-23 13:55:52,450 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=15, Unknown=0, NotChecked=0, Total=30 [2018-07-23 13:55:52,451 INFO L87 Difference]: Start difference. First operand 7 states and 7 transitions. Second operand 6 states. [2018-07-23 13:55:52,497 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-07-23 13:55:52,498 INFO L93 Difference]: Finished difference Result 10 states and 10 transitions. [2018-07-23 13:55:52,498 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2018-07-23 13:55:52,498 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 6 [2018-07-23 13:55:52,498 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-07-23 13:55:52,499 INFO L225 Difference]: With dead ends: 10 [2018-07-23 13:55:52,499 INFO L226 Difference]: Without dead ends: 8 [2018-07-23 13:55:52,502 INFO L575 BasicCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=15, Invalid=15, Unknown=0, NotChecked=0, Total=30 [2018-07-23 13:55:52,502 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 8 states. [2018-07-23 13:55:52,507 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 8 to 8. [2018-07-23 13:55:52,510 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 8 states. [2018-07-23 13:55:52,511 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 8 states to 8 states and 8 transitions. [2018-07-23 13:55:52,511 INFO L78 Accepts]: Start accepts. Automaton has 8 states and 8 transitions. Word has length 6 [2018-07-23 13:55:52,511 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-07-23 13:55:52,511 INFO L471 AbstractCegarLoop]: Abstraction has 8 states and 8 transitions. [2018-07-23 13:55:52,512 INFO L472 AbstractCegarLoop]: Interpolant automaton has 6 states. [2018-07-23 13:55:52,512 INFO L276 IsEmpty]: Start isEmpty. Operand 8 states and 8 transitions. [2018-07-23 13:55:52,512 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2018-07-23 13:55:52,513 INFO L349 BasicCegarLoop]: Found error trace [2018-07-23 13:55:52,513 INFO L357 BasicCegarLoop]: trace histogram [4, 1, 1, 1] [2018-07-23 13:55:52,514 INFO L414 AbstractCegarLoop]: === Iteration 5 === [mainErr0AssertViolationASSERT]=== [2018-07-23 13:55:52,514 INFO L82 PathProgramCache]: Analyzing trace with hash 1861144288, now seen corresponding path program 4 times [2018-07-23 13:55:52,514 INFO L69 tionRefinementEngine]: Using refinement strategy FixedRefinementStrategy [2018-07-23 13:55:52,535 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-07-23 13:55:52,611 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 0 proven. 10 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-07-23 13:55:52,611 INFO L309 seRefinementStrategy]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2018-07-23 13:55:52,612 INFO L324 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [6] total 6 [2018-07-23 13:55:52,612 INFO L142 lantAutomatonBuilder]: Constructing canonical interpolant automaton, with selfloop in false state [2018-07-23 13:55:52,612 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 13:55:52,613 INFO L185 omatonBuilderFactory]: Interpolants [160#false, 161#(or (= 0 (select main_a main_x)) (= main_x main_y)), 162#(or (<= (select main_a main_x) 1) (= main_x main_y)), 163#(or (= main_x main_y) (<= (select main_a main_x) 2)), 164#(or (= main_x main_y) (<= (select main_a main_x) 3)), 165#(or (not (= (select main_a main_x) 1000)) (= main_x main_y)), 159#true] [2018-07-23 13:55:52,613 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 0 proven. 10 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-07-23 13:55:52,613 INFO L450 AbstractCegarLoop]: Interpolant automaton has 7 states [2018-07-23 13:55:52,613 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2018-07-23 13:55:52,614 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=21, Invalid=21, Unknown=0, NotChecked=0, Total=42 [2018-07-23 13:55:52,614 INFO L87 Difference]: Start difference. First operand 8 states and 8 transitions. Second operand 7 states. [2018-07-23 13:55:52,638 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-07-23 13:55:52,639 INFO L93 Difference]: Finished difference Result 11 states and 11 transitions. [2018-07-23 13:55:52,639 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2018-07-23 13:55:52,639 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 7 [2018-07-23 13:55:52,640 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-07-23 13:55:52,640 INFO L225 Difference]: With dead ends: 11 [2018-07-23 13:55:52,640 INFO L226 Difference]: Without dead ends: 9 [2018-07-23 13:55:52,641 INFO L575 BasicCegarLoop]: 0 DeclaredPredicates, 6 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=21, Invalid=21, Unknown=0, NotChecked=0, Total=42 [2018-07-23 13:55:52,641 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 9 states. [2018-07-23 13:55:52,645 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 9 to 9. [2018-07-23 13:55:52,645 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 9 states. [2018-07-23 13:55:52,645 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 9 states to 9 states and 9 transitions. [2018-07-23 13:55:52,646 INFO L78 Accepts]: Start accepts. Automaton has 9 states and 9 transitions. Word has length 7 [2018-07-23 13:55:52,646 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-07-23 13:55:52,646 INFO L471 AbstractCegarLoop]: Abstraction has 9 states and 9 transitions. [2018-07-23 13:55:52,646 INFO L472 AbstractCegarLoop]: Interpolant automaton has 7 states. [2018-07-23 13:55:52,646 INFO L276 IsEmpty]: Start isEmpty. Operand 9 states and 9 transitions. [2018-07-23 13:55:52,647 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 9 [2018-07-23 13:55:52,647 INFO L349 BasicCegarLoop]: Found error trace [2018-07-23 13:55:52,647 INFO L357 BasicCegarLoop]: trace histogram [5, 1, 1, 1] [2018-07-23 13:55:52,648 INFO L414 AbstractCegarLoop]: === Iteration 6 === [mainErr0AssertViolationASSERT]=== [2018-07-23 13:55:52,648 INFO L82 PathProgramCache]: Analyzing trace with hash 1860894214, now seen corresponding path program 5 times [2018-07-23 13:55:52,648 INFO L69 tionRefinementEngine]: Using refinement strategy FixedRefinementStrategy [2018-07-23 13:55:52,657 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-07-23 13:55:52,781 INFO L134 CoverageAnalysis]: Checked inductivity of 15 backedges. 0 proven. 15 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-07-23 13:55:52,782 INFO L309 seRefinementStrategy]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2018-07-23 13:55:52,782 INFO L324 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [7] total 7 [2018-07-23 13:55:52,782 INFO L142 lantAutomatonBuilder]: Constructing canonical interpolant automaton, with selfloop in false state [2018-07-23 13:55:52,785 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-07-23 13:55:52,785 INFO L185 omatonBuilderFactory]: Interpolants [208#(or (= 0 (select main_a main_x)) (= main_x main_y)), 209#(or (<= (select main_a main_x) 1) (= main_x main_y)), 210#(or (= main_x main_y) (<= (select main_a main_x) 2)), 211#(or (= main_x main_y) (<= (select main_a main_x) 3)), 212#(or (<= (select main_a main_x) 4) (= main_x main_y)), 213#(or (not (= (select main_a main_x) 1000)) (= main_x main_y)), 206#true, 207#false] [2018-07-23 13:55:52,786 INFO L134 CoverageAnalysis]: Checked inductivity of 15 backedges. 0 proven. 15 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-07-23 13:55:52,786 INFO L450 AbstractCegarLoop]: Interpolant automaton has 8 states [2018-07-23 13:55:52,787 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2018-07-23 13:55:52,787 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=28, Invalid=28, Unknown=0, NotChecked=0, Total=56 [2018-07-23 13:55:52,790 INFO L87 Difference]: Start difference. First operand 9 states and 9 transitions. Second operand 8 states. [2018-07-23 13:55:52,832 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-07-23 13:55:52,832 INFO L93 Difference]: Finished difference Result 12 states and 12 transitions. [2018-07-23 13:55:52,832 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2018-07-23 13:55:52,832 INFO L78 Accepts]: Start accepts. Automaton has 8 states. Word has length 8 [2018-07-23 13:55:52,833 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-07-23 13:55:52,833 INFO L225 Difference]: With dead ends: 12 [2018-07-23 13:55:52,833 INFO L226 Difference]: Without dead ends: 10 [2018-07-23 13:55:52,834 INFO L575 BasicCegarLoop]: 0 DeclaredPredicates, 7 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=28, Invalid=28, Unknown=0, NotChecked=0, Total=56 [2018-07-23 13:55:52,834 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 10 states. [2018-07-23 13:55:52,844 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 10 to 10. [2018-07-23 13:55:52,844 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 10 states. [2018-07-23 13:55:52,845 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 10 states to 10 states and 10 transitions. [2018-07-23 13:55:52,845 INFO L78 Accepts]: Start accepts. Automaton has 10 states and 10 transitions. Word has length 8 [2018-07-23 13:55:52,846 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-07-23 13:55:52,846 INFO L471 AbstractCegarLoop]: Abstraction has 10 states and 10 transitions. [2018-07-23 13:55:52,846 INFO L472 AbstractCegarLoop]: Interpolant automaton has 8 states. [2018-07-23 13:55:52,846 INFO L276 IsEmpty]: Start isEmpty. Operand 10 states and 10 transitions. [2018-07-23 13:55:52,847 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 10 [2018-07-23 13:55:52,847 INFO L349 BasicCegarLoop]: Found error trace [2018-07-23 13:55:52,847 INFO L357 BasicCegarLoop]: trace histogram [6, 1, 1, 1] [2018-07-23 13:55:52,847 INFO L414 AbstractCegarLoop]: === Iteration 7 === [mainErr0AssertViolationASSERT]=== [2018-07-23 13:55:52,848 INFO L82 PathProgramCache]: Analyzing trace with hash 1853141920, now seen corresponding path program 6 times [2018-07-23 13:55:52,848 INFO L69 tionRefinementEngine]: Using refinement strategy FixedRefinementStrategy [2018-07-23 13:55:52,866 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-07-23 13:55:53,017 INFO L134 CoverageAnalysis]: Checked inductivity of 21 backedges. 0 proven. 21 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-07-23 13:55:53,017 INFO L309 seRefinementStrategy]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2018-07-23 13:55:53,018 INFO L324 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [8] total 8 [2018-07-23 13:55:53,018 INFO L142 lantAutomatonBuilder]: Constructing canonical interpolant automaton, with selfloop in false state [2018-07-23 13:55:53,018 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-07-23 13:55:53,019 INFO L185 omatonBuilderFactory]: Interpolants [258#true, 259#false, 260#(or (= 0 (select main_a main_x)) (= main_x main_y)), 261#(or (<= (select main_a main_x) 1) (= main_x main_y)), 262#(or (= main_x main_y) (<= (select main_a main_x) 2)), 263#(or (= main_x main_y) (<= (select main_a main_x) 3)), 264#(or (<= (select main_a main_x) 4) (= main_x main_y)), 265#(or (<= (select main_a main_x) 5) (= main_x main_y)), 266#(or (not (= (select main_a main_x) 1000)) (= main_x main_y))] [2018-07-23 13:55:53,019 INFO L134 CoverageAnalysis]: Checked inductivity of 21 backedges. 0 proven. 21 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-07-23 13:55:53,025 INFO L450 AbstractCegarLoop]: Interpolant automaton has 9 states [2018-07-23 13:55:53,025 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2018-07-23 13:55:53,025 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=36, Invalid=36, Unknown=0, NotChecked=0, Total=72 [2018-07-23 13:55:53,026 INFO L87 Difference]: Start difference. First operand 10 states and 10 transitions. Second operand 9 states. [2018-07-23 13:55:53,072 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-07-23 13:55:53,072 INFO L93 Difference]: Finished difference Result 13 states and 13 transitions. [2018-07-23 13:55:53,075 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2018-07-23 13:55:53,076 INFO L78 Accepts]: Start accepts. Automaton has 9 states. Word has length 9 [2018-07-23 13:55:53,076 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-07-23 13:55:53,076 INFO L225 Difference]: With dead ends: 13 [2018-07-23 13:55:53,077 INFO L226 Difference]: Without dead ends: 11 [2018-07-23 13:55:53,078 INFO L575 BasicCegarLoop]: 0 DeclaredPredicates, 8 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=36, Invalid=36, Unknown=0, NotChecked=0, Total=72 [2018-07-23 13:55:53,078 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 11 states. [2018-07-23 13:55:53,085 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 11 to 11. [2018-07-23 13:55:53,086 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 11 states. [2018-07-23 13:55:53,087 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 11 states to 11 states and 11 transitions. [2018-07-23 13:55:53,087 INFO L78 Accepts]: Start accepts. Automaton has 11 states and 11 transitions. Word has length 9 [2018-07-23 13:55:53,087 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-07-23 13:55:53,087 INFO L471 AbstractCegarLoop]: Abstraction has 11 states and 11 transitions. [2018-07-23 13:55:53,087 INFO L472 AbstractCegarLoop]: Interpolant automaton has 9 states. [2018-07-23 13:55:53,088 INFO L276 IsEmpty]: Start isEmpty. Operand 11 states and 11 transitions. [2018-07-23 13:55:53,088 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 11 [2018-07-23 13:55:53,088 INFO L349 BasicCegarLoop]: Found error trace [2018-07-23 13:55:53,090 INFO L357 BasicCegarLoop]: trace histogram [7, 1, 1, 1] [2018-07-23 13:55:53,091 INFO L414 AbstractCegarLoop]: === Iteration 8 === [mainErr0AssertViolationASSERT]=== [2018-07-23 13:55:53,091 INFO L82 PathProgramCache]: Analyzing trace with hash 1612820806, now seen corresponding path program 7 times [2018-07-23 13:55:53,091 INFO L69 tionRefinementEngine]: Using refinement strategy FixedRefinementStrategy [2018-07-23 13:55:53,111 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-07-23 13:55:53,210 INFO L134 CoverageAnalysis]: Checked inductivity of 28 backedges. 0 proven. 28 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-07-23 13:55:53,210 INFO L309 seRefinementStrategy]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2018-07-23 13:55:53,210 INFO L324 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [9] total 9 [2018-07-23 13:55:53,211 INFO L142 lantAutomatonBuilder]: Constructing canonical interpolant automaton, with selfloop in false state [2018-07-23 13:55:53,211 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-07-23 13:55:53,212 INFO L185 omatonBuilderFactory]: Interpolants [320#(or (= main_x main_y) (<= (select main_a main_x) 3)), 321#(or (<= (select main_a main_x) 4) (= main_x main_y)), 322#(or (<= (select main_a main_x) 5) (= main_x main_y)), 323#(or (<= (select main_a main_x) 6) (= main_x main_y)), 324#(or (not (= (select main_a main_x) 1000)) (= main_x main_y)), 315#true, 316#false, 317#(or (= 0 (select main_a main_x)) (= main_x main_y)), 318#(or (<= (select main_a main_x) 1) (= main_x main_y)), 319#(or (= main_x main_y) (<= (select main_a main_x) 2))] [2018-07-23 13:55:53,212 INFO L134 CoverageAnalysis]: Checked inductivity of 28 backedges. 0 proven. 28 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-07-23 13:55:53,213 INFO L450 AbstractCegarLoop]: Interpolant automaton has 10 states [2018-07-23 13:55:53,213 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2018-07-23 13:55:53,213 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=45, Invalid=45, Unknown=0, NotChecked=0, Total=90 [2018-07-23 13:55:53,214 INFO L87 Difference]: Start difference. First operand 11 states and 11 transitions. Second operand 10 states. [2018-07-23 13:55:53,236 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-07-23 13:55:53,237 INFO L93 Difference]: Finished difference Result 14 states and 14 transitions. [2018-07-23 13:55:53,237 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2018-07-23 13:55:53,237 INFO L78 Accepts]: Start accepts. Automaton has 10 states. Word has length 10 [2018-07-23 13:55:53,238 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-07-23 13:55:53,238 INFO L225 Difference]: With dead ends: 14 [2018-07-23 13:55:53,238 INFO L226 Difference]: Without dead ends: 12 [2018-07-23 13:55:53,239 INFO L575 BasicCegarLoop]: 0 DeclaredPredicates, 9 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=45, Invalid=45, Unknown=0, NotChecked=0, Total=90 [2018-07-23 13:55:53,239 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 12 states. [2018-07-23 13:55:53,243 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 12 to 12. [2018-07-23 13:55:53,244 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 12 states. [2018-07-23 13:55:53,244 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 12 states to 12 states and 12 transitions. [2018-07-23 13:55:53,245 INFO L78 Accepts]: Start accepts. Automaton has 12 states and 12 transitions. Word has length 10 [2018-07-23 13:55:53,245 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-07-23 13:55:53,245 INFO L471 AbstractCegarLoop]: Abstraction has 12 states and 12 transitions. [2018-07-23 13:55:53,245 INFO L472 AbstractCegarLoop]: Interpolant automaton has 10 states. [2018-07-23 13:55:53,246 INFO L276 IsEmpty]: Start isEmpty. Operand 12 states and 12 transitions. [2018-07-23 13:55:53,246 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 12 [2018-07-23 13:55:53,246 INFO L349 BasicCegarLoop]: Found error trace [2018-07-23 13:55:53,246 INFO L357 BasicCegarLoop]: trace histogram [8, 1, 1, 1] [2018-07-23 13:55:53,247 INFO L414 AbstractCegarLoop]: === Iteration 9 === [mainErr0AssertViolationASSERT]=== [2018-07-23 13:55:53,247 INFO L82 PathProgramCache]: Analyzing trace with hash -1542166432, now seen corresponding path program 8 times [2018-07-23 13:55:53,247 INFO L69 tionRefinementEngine]: Using refinement strategy FixedRefinementStrategy [2018-07-23 13:55:53,257 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-07-23 13:55:53,338 INFO L134 CoverageAnalysis]: Checked inductivity of 36 backedges. 0 proven. 36 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-07-23 13:55:53,339 INFO L309 seRefinementStrategy]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2018-07-23 13:55:53,339 INFO L324 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [10] total 10 [2018-07-23 13:55:53,339 INFO L142 lantAutomatonBuilder]: Constructing canonical interpolant automaton, with selfloop in false state [2018-07-23 13:55:53,340 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-07-23 13:55:53,340 INFO L185 omatonBuilderFactory]: Interpolants [384#(or (<= (select main_a main_x) 5) (= main_x main_y)), 385#(or (<= (select main_a main_x) 6) (= main_x main_y)), 386#(or (<= (select main_a main_x) 7) (= main_x main_y)), 387#(or (not (= (select main_a main_x) 1000)) (= main_x main_y)), 377#true, 378#false, 379#(or (= 0 (select main_a main_x)) (= main_x main_y)), 380#(or (<= (select main_a main_x) 1) (= main_x main_y)), 381#(or (= main_x main_y) (<= (select main_a main_x) 2)), 382#(or (= main_x main_y) (<= (select main_a main_x) 3)), 383#(or (<= (select main_a main_x) 4) (= main_x main_y))] [2018-07-23 13:55:53,341 INFO L134 CoverageAnalysis]: Checked inductivity of 36 backedges. 0 proven. 36 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-07-23 13:55:53,341 INFO L450 AbstractCegarLoop]: Interpolant automaton has 11 states [2018-07-23 13:55:53,341 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2018-07-23 13:55:53,342 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=55, Invalid=55, Unknown=0, NotChecked=0, Total=110 [2018-07-23 13:55:53,342 INFO L87 Difference]: Start difference. First operand 12 states and 12 transitions. Second operand 11 states. [2018-07-23 13:55:53,367 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-07-23 13:55:53,368 INFO L93 Difference]: Finished difference Result 15 states and 15 transitions. [2018-07-23 13:55:53,368 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2018-07-23 13:55:53,368 INFO L78 Accepts]: Start accepts. Automaton has 11 states. Word has length 11 [2018-07-23 13:55:53,369 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-07-23 13:55:53,369 INFO L225 Difference]: With dead ends: 15 [2018-07-23 13:55:53,370 INFO L226 Difference]: Without dead ends: 13 [2018-07-23 13:55:53,371 INFO L575 BasicCegarLoop]: 0 DeclaredPredicates, 10 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 9 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=55, Invalid=55, Unknown=0, NotChecked=0, Total=110 [2018-07-23 13:55:53,372 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 13 states. [2018-07-23 13:55:53,377 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 13 to 13. [2018-07-23 13:55:53,378 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 13 states. [2018-07-23 13:55:53,378 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 13 states to 13 states and 13 transitions. [2018-07-23 13:55:53,379 INFO L78 Accepts]: Start accepts. Automaton has 13 states and 13 transitions. Word has length 11 [2018-07-23 13:55:53,379 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-07-23 13:55:53,379 INFO L471 AbstractCegarLoop]: Abstraction has 13 states and 13 transitions. [2018-07-23 13:55:53,380 INFO L472 AbstractCegarLoop]: Interpolant automaton has 11 states. [2018-07-23 13:55:53,380 INFO L276 IsEmpty]: Start isEmpty. Operand 13 states and 13 transitions. [2018-07-23 13:55:53,380 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2018-07-23 13:55:53,380 INFO L349 BasicCegarLoop]: Found error trace [2018-07-23 13:55:53,381 INFO L357 BasicCegarLoop]: trace histogram [9, 1, 1, 1] [2018-07-23 13:55:53,381 INFO L414 AbstractCegarLoop]: === Iteration 10 === [mainErr0AssertViolationASSERT]=== [2018-07-23 13:55:53,381 INFO L82 PathProgramCache]: Analyzing trace with hash -562523002, now seen corresponding path program 9 times [2018-07-23 13:55:53,383 INFO L69 tionRefinementEngine]: Using refinement strategy FixedRefinementStrategy [2018-07-23 13:55:53,402 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-07-23 13:55:53,521 INFO L134 CoverageAnalysis]: Checked inductivity of 45 backedges. 0 proven. 45 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-07-23 13:55:53,522 INFO L309 seRefinementStrategy]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2018-07-23 13:55:53,522 INFO L324 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [11] total 11 [2018-07-23 13:55:53,523 INFO L142 lantAutomatonBuilder]: Constructing canonical interpolant automaton, with selfloop in false state [2018-07-23 13:55:53,523 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 13:55:53,524 INFO L185 omatonBuilderFactory]: Interpolants [448#(or (= main_x main_y) (<= (select main_a main_x) 2)), 449#(or (= main_x main_y) (<= (select main_a main_x) 3)), 450#(or (<= (select main_a main_x) 4) (= main_x main_y)), 451#(or (<= (select main_a main_x) 5) (= main_x main_y)), 452#(or (<= (select main_a main_x) 6) (= main_x main_y)), 453#(or (<= (select main_a main_x) 7) (= main_x main_y)), 454#(or (<= (select main_a main_x) 8) (= main_x main_y)), 455#(or (not (= (select main_a main_x) 1000)) (= main_x main_y)), 444#true, 445#false, 446#(or (= 0 (select main_a main_x)) (= main_x main_y)), 447#(or (<= (select main_a main_x) 1) (= main_x main_y))] [2018-07-23 13:55:53,524 INFO L134 CoverageAnalysis]: Checked inductivity of 45 backedges. 0 proven. 45 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-07-23 13:55:53,525 INFO L450 AbstractCegarLoop]: Interpolant automaton has 12 states [2018-07-23 13:55:53,526 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2018-07-23 13:55:53,526 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=66, Invalid=66, Unknown=0, NotChecked=0, Total=132 [2018-07-23 13:55:53,527 INFO L87 Difference]: Start difference. First operand 13 states and 13 transitions. Second operand 12 states. [2018-07-23 13:55:53,559 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-07-23 13:55:53,559 INFO L93 Difference]: Finished difference Result 16 states and 16 transitions. [2018-07-23 13:55:53,559 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2018-07-23 13:55:53,559 INFO L78 Accepts]: Start accepts. Automaton has 12 states. Word has length 12 [2018-07-23 13:55:53,560 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-07-23 13:55:53,563 INFO L225 Difference]: With dead ends: 16 [2018-07-23 13:55:53,564 INFO L226 Difference]: Without dead ends: 14 [2018-07-23 13:55:53,564 INFO L575 BasicCegarLoop]: 0 DeclaredPredicates, 11 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 10 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=66, Invalid=66, Unknown=0, NotChecked=0, Total=132 [2018-07-23 13:55:53,565 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 14 states. [2018-07-23 13:55:53,569 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 14 to 14. [2018-07-23 13:55:53,570 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 14 states. [2018-07-23 13:55:53,572 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 14 states to 14 states and 14 transitions. [2018-07-23 13:55:53,572 INFO L78 Accepts]: Start accepts. Automaton has 14 states and 14 transitions. Word has length 12 [2018-07-23 13:55:53,572 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-07-23 13:55:53,573 INFO L471 AbstractCegarLoop]: Abstraction has 14 states and 14 transitions. [2018-07-23 13:55:53,573 INFO L472 AbstractCegarLoop]: Interpolant automaton has 12 states. [2018-07-23 13:55:53,573 INFO L276 IsEmpty]: Start isEmpty. Operand 14 states and 14 transitions. [2018-07-23 13:55:53,575 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2018-07-23 13:55:53,575 INFO L349 BasicCegarLoop]: Found error trace [2018-07-23 13:55:53,575 INFO L357 BasicCegarLoop]: trace histogram [10, 1, 1, 1] [2018-07-23 13:55:53,576 INFO L414 AbstractCegarLoop]: === Iteration 11 === [mainErr0AssertViolationASSERT]=== [2018-07-23 13:55:53,576 INFO L82 PathProgramCache]: Analyzing trace with hash -258347744, now seen corresponding path program 10 times [2018-07-23 13:55:53,576 INFO L69 tionRefinementEngine]: Using refinement strategy FixedRefinementStrategy [2018-07-23 13:55:53,595 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-07-23 13:55:53,707 INFO L134 CoverageAnalysis]: Checked inductivity of 55 backedges. 0 proven. 55 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-07-23 13:55:53,709 INFO L309 seRefinementStrategy]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2018-07-23 13:55:53,709 INFO L324 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [12] total 12 [2018-07-23 13:55:53,709 INFO L142 lantAutomatonBuilder]: Constructing canonical interpolant automaton, with selfloop in false state [2018-07-23 13:55:53,710 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-07-23 13:55:53,710 INFO L185 omatonBuilderFactory]: Interpolants [516#true, 517#false, 518#(or (= 0 (select main_a main_x)) (= main_x main_y)), 519#(or (<= (select main_a main_x) 1) (= main_x main_y)), 520#(or (= main_x main_y) (<= (select main_a main_x) 2)), 521#(or (= main_x main_y) (<= (select main_a main_x) 3)), 522#(or (<= (select main_a main_x) 4) (= main_x main_y)), 523#(or (<= (select main_a main_x) 5) (= main_x main_y)), 524#(or (<= (select main_a main_x) 6) (= main_x main_y)), 525#(or (<= (select main_a main_x) 7) (= main_x main_y)), 526#(or (<= (select main_a main_x) 8) (= main_x main_y)), 527#(or (= main_x main_y) (<= (select main_a main_x) 9)), 528#(or (not (= (select main_a main_x) 1000)) (= main_x main_y))] [2018-07-23 13:55:53,712 INFO L134 CoverageAnalysis]: Checked inductivity of 55 backedges. 0 proven. 55 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-07-23 13:55:53,712 INFO L450 AbstractCegarLoop]: Interpolant automaton has 13 states [2018-07-23 13:55:53,713 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 13 interpolants. [2018-07-23 13:55:53,713 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=78, Invalid=78, Unknown=0, NotChecked=0, Total=156 [2018-07-23 13:55:53,713 INFO L87 Difference]: Start difference. First operand 14 states and 14 transitions. Second operand 13 states. [2018-07-23 13:55:53,739 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-07-23 13:55:53,740 INFO L93 Difference]: Finished difference Result 17 states and 17 transitions. [2018-07-23 13:55:53,740 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2018-07-23 13:55:53,740 INFO L78 Accepts]: Start accepts. Automaton has 13 states. Word has length 13 [2018-07-23 13:55:53,741 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-07-23 13:55:53,741 INFO L225 Difference]: With dead ends: 17 [2018-07-23 13:55:53,741 INFO L226 Difference]: Without dead ends: 15 [2018-07-23 13:55:53,742 INFO L575 BasicCegarLoop]: 0 DeclaredPredicates, 12 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 11 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=78, Invalid=78, Unknown=0, NotChecked=0, Total=156 [2018-07-23 13:55:53,742 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 15 states. [2018-07-23 13:55:53,746 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 15 to 15. [2018-07-23 13:55:53,747 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 15 states. [2018-07-23 13:55:53,747 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 15 states to 15 states and 15 transitions. [2018-07-23 13:55:53,748 INFO L78 Accepts]: Start accepts. Automaton has 15 states and 15 transitions. Word has length 13 [2018-07-23 13:55:53,748 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-07-23 13:55:53,748 INFO L471 AbstractCegarLoop]: Abstraction has 15 states and 15 transitions. [2018-07-23 13:55:53,748 INFO L472 AbstractCegarLoop]: Interpolant automaton has 13 states. [2018-07-23 13:55:53,749 INFO L276 IsEmpty]: Start isEmpty. Operand 15 states and 15 transitions. [2018-07-23 13:55:53,749 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 15 [2018-07-23 13:55:53,749 INFO L349 BasicCegarLoop]: Found error trace [2018-07-23 13:55:53,750 INFO L357 BasicCegarLoop]: trace histogram [11, 1, 1, 1] [2018-07-23 13:55:53,750 INFO L414 AbstractCegarLoop]: === Iteration 12 === [mainErr0AssertViolationASSERT]=== [2018-07-23 13:55:53,750 INFO L82 PathProgramCache]: Analyzing trace with hash 581150662, now seen corresponding path program 11 times [2018-07-23 13:55:53,750 INFO L69 tionRefinementEngine]: Using refinement strategy FixedRefinementStrategy [2018-07-23 13:55:53,761 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-07-23 13:55:53,862 INFO L134 CoverageAnalysis]: Checked inductivity of 66 backedges. 0 proven. 66 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-07-23 13:55:53,863 INFO L309 seRefinementStrategy]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2018-07-23 13:55:53,863 INFO L324 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [13] total 13 [2018-07-23 13:55:53,863 INFO L142 lantAutomatonBuilder]: Constructing canonical interpolant automaton, with selfloop in false state [2018-07-23 13:55:53,864 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-07-23 13:55:53,864 INFO L185 omatonBuilderFactory]: Interpolants [593#true, 594#false, 595#(or (= 0 (select main_a main_x)) (= main_x main_y)), 596#(or (<= (select main_a main_x) 1) (= main_x main_y)), 597#(or (= main_x main_y) (<= (select main_a main_x) 2)), 598#(or (= main_x main_y) (<= (select main_a main_x) 3)), 599#(or (<= (select main_a main_x) 4) (= main_x main_y)), 600#(or (<= (select main_a main_x) 5) (= main_x main_y)), 601#(or (<= (select main_a main_x) 6) (= main_x main_y)), 602#(or (<= (select main_a main_x) 7) (= main_x main_y)), 603#(or (<= (select main_a main_x) 8) (= main_x main_y)), 604#(or (= main_x main_y) (<= (select main_a main_x) 9)), 605#(or (= main_x main_y) (<= (select main_a main_x) 10)), 606#(or (not (= (select main_a main_x) 1000)) (= main_x main_y))] [2018-07-23 13:55:53,865 INFO L134 CoverageAnalysis]: Checked inductivity of 66 backedges. 0 proven. 66 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-07-23 13:55:53,865 INFO L450 AbstractCegarLoop]: Interpolant automaton has 14 states [2018-07-23 13:55:53,865 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 14 interpolants. [2018-07-23 13:55:53,866 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=91, Invalid=91, Unknown=0, NotChecked=0, Total=182 [2018-07-23 13:55:53,866 INFO L87 Difference]: Start difference. First operand 15 states and 15 transitions. Second operand 14 states. [2018-07-23 13:55:53,889 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-07-23 13:55:53,890 INFO L93 Difference]: Finished difference Result 18 states and 18 transitions. [2018-07-23 13:55:53,890 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2018-07-23 13:55:53,890 INFO L78 Accepts]: Start accepts. Automaton has 14 states. Word has length 14 [2018-07-23 13:55:53,891 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-07-23 13:55:53,891 INFO L225 Difference]: With dead ends: 18 [2018-07-23 13:55:53,891 INFO L226 Difference]: Without dead ends: 16 [2018-07-23 13:55:53,892 INFO L575 BasicCegarLoop]: 0 DeclaredPredicates, 13 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 12 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=91, Invalid=91, Unknown=0, NotChecked=0, Total=182 [2018-07-23 13:55:53,892 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 16 states. [2018-07-23 13:55:53,895 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 16 to 16. [2018-07-23 13:55:53,896 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 16 states. [2018-07-23 13:55:53,896 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 16 states to 16 states and 16 transitions. [2018-07-23 13:55:53,897 INFO L78 Accepts]: Start accepts. Automaton has 16 states and 16 transitions. Word has length 14 [2018-07-23 13:55:53,897 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-07-23 13:55:53,897 INFO L471 AbstractCegarLoop]: Abstraction has 16 states and 16 transitions. [2018-07-23 13:55:53,897 INFO L472 AbstractCegarLoop]: Interpolant automaton has 14 states. [2018-07-23 13:55:53,898 INFO L276 IsEmpty]: Start isEmpty. Operand 16 states and 16 transitions. [2018-07-23 13:55:53,898 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2018-07-23 13:55:53,898 INFO L349 BasicCegarLoop]: Found error trace [2018-07-23 13:55:53,899 INFO L357 BasicCegarLoop]: trace histogram [12, 1, 1, 1] [2018-07-23 13:55:53,901 INFO L414 AbstractCegarLoop]: === Iteration 13 === [mainErr0AssertViolationASSERT]=== [2018-07-23 13:55:53,902 INFO L82 PathProgramCache]: Analyzing trace with hash 835797472, now seen corresponding path program 12 times [2018-07-23 13:55:53,902 INFO L69 tionRefinementEngine]: Using refinement strategy FixedRefinementStrategy [2018-07-23 13:55:53,914 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-07-23 13:55:54,029 INFO L134 CoverageAnalysis]: Checked inductivity of 78 backedges. 0 proven. 78 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-07-23 13:55:54,030 INFO L309 seRefinementStrategy]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2018-07-23 13:55:54,030 INFO L324 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [14] total 14 [2018-07-23 13:55:54,030 INFO L142 lantAutomatonBuilder]: Constructing canonical interpolant automaton, with selfloop in false state [2018-07-23 13:55:54,031 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-07-23 13:55:54,031 INFO L185 omatonBuilderFactory]: Interpolants [675#true, 676#false, 677#(or (= 0 (select main_a main_x)) (= main_x main_y)), 678#(or (<= (select main_a main_x) 1) (= main_x main_y)), 679#(or (= main_x main_y) (<= (select main_a main_x) 2)), 680#(or (= main_x main_y) (<= (select main_a main_x) 3)), 681#(or (<= (select main_a main_x) 4) (= main_x main_y)), 682#(or (<= (select main_a main_x) 5) (= main_x main_y)), 683#(or (<= (select main_a main_x) 6) (= main_x main_y)), 684#(or (<= (select main_a main_x) 7) (= main_x main_y)), 685#(or (<= (select main_a main_x) 8) (= main_x main_y)), 686#(or (= main_x main_y) (<= (select main_a main_x) 9)), 687#(or (= main_x main_y) (<= (select main_a main_x) 10)), 688#(or (= main_x main_y) (<= (select main_a main_x) 11)), 689#(or (not (= (select main_a main_x) 1000)) (= main_x main_y))] [2018-07-23 13:55:54,031 INFO L134 CoverageAnalysis]: Checked inductivity of 78 backedges. 0 proven. 78 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-07-23 13:55:54,032 INFO L450 AbstractCegarLoop]: Interpolant automaton has 15 states [2018-07-23 13:55:54,032 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 15 interpolants. [2018-07-23 13:55:54,033 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=105, Invalid=105, Unknown=0, NotChecked=0, Total=210 [2018-07-23 13:55:54,033 INFO L87 Difference]: Start difference. First operand 16 states and 16 transitions. Second operand 15 states. [2018-07-23 13:55:54,064 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-07-23 13:55:54,065 INFO L93 Difference]: Finished difference Result 19 states and 19 transitions. [2018-07-23 13:55:54,065 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2018-07-23 13:55:54,065 INFO L78 Accepts]: Start accepts. Automaton has 15 states. Word has length 15 [2018-07-23 13:55:54,066 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-07-23 13:55:54,066 INFO L225 Difference]: With dead ends: 19 [2018-07-23 13:55:54,066 INFO L226 Difference]: Without dead ends: 17 [2018-07-23 13:55:54,067 INFO L575 BasicCegarLoop]: 0 DeclaredPredicates, 14 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 13 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=105, Invalid=105, Unknown=0, NotChecked=0, Total=210 [2018-07-23 13:55:54,067 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 17 states. [2018-07-23 13:55:54,074 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 17 to 17. [2018-07-23 13:55:54,075 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 17 states. [2018-07-23 13:55:54,075 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 17 states to 17 states and 17 transitions. [2018-07-23 13:55:54,076 INFO L78 Accepts]: Start accepts. Automaton has 17 states and 17 transitions. Word has length 15 [2018-07-23 13:55:54,076 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-07-23 13:55:54,076 INFO L471 AbstractCegarLoop]: Abstraction has 17 states and 17 transitions. [2018-07-23 13:55:54,077 INFO L472 AbstractCegarLoop]: Interpolant automaton has 15 states. [2018-07-23 13:55:54,077 INFO L276 IsEmpty]: Start isEmpty. Operand 17 states and 17 transitions. [2018-07-23 13:55:54,077 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 17 [2018-07-23 13:55:54,077 INFO L349 BasicCegarLoop]: Found error trace [2018-07-23 13:55:54,078 INFO L357 BasicCegarLoop]: trace histogram [13, 1, 1, 1] [2018-07-23 13:55:54,078 INFO L414 AbstractCegarLoop]: === Iteration 14 === [mainErr0AssertViolationASSERT]=== [2018-07-23 13:55:54,078 INFO L82 PathProgramCache]: Analyzing trace with hash 139913990, now seen corresponding path program 13 times [2018-07-23 13:55:54,078 INFO L69 tionRefinementEngine]: Using refinement strategy FixedRefinementStrategy [2018-07-23 13:55:54,098 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-07-23 13:55:54,238 INFO L134 CoverageAnalysis]: Checked inductivity of 91 backedges. 0 proven. 91 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-07-23 13:55:54,239 INFO L309 seRefinementStrategy]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2018-07-23 13:55:54,239 INFO L324 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [15] total 15 [2018-07-23 13:55:54,239 INFO L142 lantAutomatonBuilder]: Constructing canonical interpolant automaton, with selfloop in false state [2018-07-23 13:55:54,240 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-07-23 13:55:54,240 INFO L185 omatonBuilderFactory]: Interpolants [768#(or (<= (select main_a main_x) 4) (= main_x main_y)), 769#(or (<= (select main_a main_x) 5) (= main_x main_y)), 770#(or (<= (select main_a main_x) 6) (= main_x main_y)), 771#(or (<= (select main_a main_x) 7) (= main_x main_y)), 772#(or (<= (select main_a main_x) 8) (= main_x main_y)), 773#(or (= main_x main_y) (<= (select main_a main_x) 9)), 774#(or (= main_x main_y) (<= (select main_a main_x) 10)), 775#(or (= main_x main_y) (<= (select main_a main_x) 11)), 776#(or (<= (select main_a main_x) 12) (= main_x main_y)), 777#(or (not (= (select main_a main_x) 1000)) (= main_x main_y)), 762#true, 763#false, 764#(or (= 0 (select main_a main_x)) (= main_x main_y)), 765#(or (<= (select main_a main_x) 1) (= main_x main_y)), 766#(or (= main_x main_y) (<= (select main_a main_x) 2)), 767#(or (= main_x main_y) (<= (select main_a main_x) 3))] [2018-07-23 13:55:54,241 INFO L134 CoverageAnalysis]: Checked inductivity of 91 backedges. 0 proven. 91 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-07-23 13:55:54,241 INFO L450 AbstractCegarLoop]: Interpolant automaton has 16 states [2018-07-23 13:55:54,241 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 16 interpolants. [2018-07-23 13:55:54,242 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=120, Invalid=120, Unknown=0, NotChecked=0, Total=240 [2018-07-23 13:55:54,242 INFO L87 Difference]: Start difference. First operand 17 states and 17 transitions. Second operand 16 states. [2018-07-23 13:55:54,270 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-07-23 13:55:54,271 INFO L93 Difference]: Finished difference Result 20 states and 20 transitions. [2018-07-23 13:55:54,271 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2018-07-23 13:55:54,271 INFO L78 Accepts]: Start accepts. Automaton has 16 states. Word has length 16 [2018-07-23 13:55:54,272 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-07-23 13:55:54,272 INFO L225 Difference]: With dead ends: 20 [2018-07-23 13:55:54,272 INFO L226 Difference]: Without dead ends: 18 [2018-07-23 13:55:54,273 INFO L575 BasicCegarLoop]: 0 DeclaredPredicates, 15 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 14 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=120, Invalid=120, Unknown=0, NotChecked=0, Total=240 [2018-07-23 13:55:54,274 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 18 states. [2018-07-23 13:55:54,279 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 18 to 18. [2018-07-23 13:55:54,280 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 18 states. [2018-07-23 13:55:54,280 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 18 states to 18 states and 18 transitions. [2018-07-23 13:55:54,281 INFO L78 Accepts]: Start accepts. Automaton has 18 states and 18 transitions. Word has length 16 [2018-07-23 13:55:54,281 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-07-23 13:55:54,281 INFO L471 AbstractCegarLoop]: Abstraction has 18 states and 18 transitions. [2018-07-23 13:55:54,281 INFO L472 AbstractCegarLoop]: Interpolant automaton has 16 states. [2018-07-23 13:55:54,282 INFO L276 IsEmpty]: Start isEmpty. Operand 18 states and 18 transitions. [2018-07-23 13:55:54,282 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2018-07-23 13:55:54,282 INFO L349 BasicCegarLoop]: Found error trace [2018-07-23 13:55:54,282 INFO L357 BasicCegarLoop]: trace histogram [14, 1, 1, 1] [2018-07-23 13:55:54,283 INFO L414 AbstractCegarLoop]: === Iteration 15 === [mainErr0AssertViolationASSERT]=== [2018-07-23 13:55:54,283 INFO L82 PathProgramCache]: Analyzing trace with hash 42362528, now seen corresponding path program 14 times [2018-07-23 13:55:54,283 INFO L69 tionRefinementEngine]: Using refinement strategy FixedRefinementStrategy [2018-07-23 13:55:54,296 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-07-23 13:55:54,444 INFO L134 CoverageAnalysis]: Checked inductivity of 105 backedges. 0 proven. 105 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-07-23 13:55:54,445 INFO L309 seRefinementStrategy]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2018-07-23 13:55:54,445 INFO L324 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [16] total 16 [2018-07-23 13:55:54,445 INFO L142 lantAutomatonBuilder]: Constructing canonical interpolant automaton, with selfloop in false state [2018-07-23 13:55:54,446 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-07-23 13:55:54,446 INFO L185 omatonBuilderFactory]: Interpolants [864#(or (<= (select main_a main_x) 8) (= main_x main_y)), 865#(or (= main_x main_y) (<= (select main_a main_x) 9)), 866#(or (= main_x main_y) (<= (select main_a main_x) 10)), 867#(or (= main_x main_y) (<= (select main_a main_x) 11)), 868#(or (<= (select main_a main_x) 12) (= main_x main_y)), 869#(or (= main_x main_y) (<= (select main_a main_x) 13)), 870#(or (not (= (select main_a main_x) 1000)) (= main_x main_y)), 854#true, 855#false, 856#(or (= 0 (select main_a main_x)) (= main_x main_y)), 857#(or (<= (select main_a main_x) 1) (= main_x main_y)), 858#(or (= main_x main_y) (<= (select main_a main_x) 2)), 859#(or (= main_x main_y) (<= (select main_a main_x) 3)), 860#(or (<= (select main_a main_x) 4) (= main_x main_y)), 861#(or (<= (select main_a main_x) 5) (= main_x main_y)), 862#(or (<= (select main_a main_x) 6) (= main_x main_y)), 863#(or (<= (select main_a main_x) 7) (= main_x main_y))] [2018-07-23 13:55:54,446 INFO L134 CoverageAnalysis]: Checked inductivity of 105 backedges. 0 proven. 105 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-07-23 13:55:54,447 INFO L450 AbstractCegarLoop]: Interpolant automaton has 17 states [2018-07-23 13:55:54,447 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 17 interpolants. [2018-07-23 13:55:54,447 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=136, Invalid=136, Unknown=0, NotChecked=0, Total=272 [2018-07-23 13:55:54,448 INFO L87 Difference]: Start difference. First operand 18 states and 18 transitions. Second operand 17 states. [2018-07-23 13:55:54,469 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-07-23 13:55:54,470 INFO L93 Difference]: Finished difference Result 21 states and 21 transitions. [2018-07-23 13:55:54,470 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2018-07-23 13:55:54,470 INFO L78 Accepts]: Start accepts. Automaton has 17 states. Word has length 17 [2018-07-23 13:55:54,471 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-07-23 13:55:54,471 INFO L225 Difference]: With dead ends: 21 [2018-07-23 13:55:54,474 INFO L226 Difference]: Without dead ends: 19 [2018-07-23 13:55:54,474 INFO L575 BasicCegarLoop]: 0 DeclaredPredicates, 16 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 15 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=136, Invalid=136, Unknown=0, NotChecked=0, Total=272 [2018-07-23 13:55:54,475 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 19 states. [2018-07-23 13:55:54,480 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 19 to 19. [2018-07-23 13:55:54,481 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 19 states. [2018-07-23 13:55:54,481 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 19 states to 19 states and 19 transitions. [2018-07-23 13:55:54,481 INFO L78 Accepts]: Start accepts. Automaton has 19 states and 19 transitions. Word has length 17 [2018-07-23 13:55:54,482 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-07-23 13:55:54,482 INFO L471 AbstractCegarLoop]: Abstraction has 19 states and 19 transitions. [2018-07-23 13:55:54,482 INFO L472 AbstractCegarLoop]: Interpolant automaton has 17 states. [2018-07-23 13:55:54,485 INFO L276 IsEmpty]: Start isEmpty. Operand 19 states and 19 transitions. [2018-07-23 13:55:54,485 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2018-07-23 13:55:54,485 INFO L349 BasicCegarLoop]: Found error trace [2018-07-23 13:55:54,486 INFO L357 BasicCegarLoop]: trace histogram [15, 1, 1, 1] [2018-07-23 13:55:54,486 INFO L414 AbstractCegarLoop]: === Iteration 16 === [mainErr0AssertViolationASSERT]=== [2018-07-23 13:55:54,486 INFO L82 PathProgramCache]: Analyzing trace with hash 1313234502, now seen corresponding path program 15 times [2018-07-23 13:55:54,486 INFO L69 tionRefinementEngine]: Using refinement strategy FixedRefinementStrategy [2018-07-23 13:55:54,501 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-07-23 13:55:54,668 INFO L134 CoverageAnalysis]: Checked inductivity of 120 backedges. 0 proven. 120 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-07-23 13:55:54,669 INFO L309 seRefinementStrategy]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2018-07-23 13:55:54,669 INFO L324 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [17] total 17 [2018-07-23 13:55:54,669 INFO L142 lantAutomatonBuilder]: Constructing canonical interpolant automaton, with selfloop in false state [2018-07-23 13:55:54,672 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-07-23 13:55:54,672 INFO L185 omatonBuilderFactory]: Interpolants [960#(or (<= (select main_a main_x) 7) (= main_x main_y)), 961#(or (<= (select main_a main_x) 8) (= main_x main_y)), 962#(or (= main_x main_y) (<= (select main_a main_x) 9)), 963#(or (= main_x main_y) (<= (select main_a main_x) 10)), 964#(or (= main_x main_y) (<= (select main_a main_x) 11)), 965#(or (<= (select main_a main_x) 12) (= main_x main_y)), 966#(or (= main_x main_y) (<= (select main_a main_x) 13)), 967#(or (<= (select main_a main_x) 14) (= main_x main_y)), 968#(or (not (= (select main_a main_x) 1000)) (= main_x main_y)), 951#true, 952#false, 953#(or (= 0 (select main_a main_x)) (= main_x main_y)), 954#(or (<= (select main_a main_x) 1) (= main_x main_y)), 955#(or (= main_x main_y) (<= (select main_a main_x) 2)), 956#(or (= main_x main_y) (<= (select main_a main_x) 3)), 957#(or (<= (select main_a main_x) 4) (= main_x main_y)), 958#(or (<= (select main_a main_x) 5) (= main_x main_y)), 959#(or (<= (select main_a main_x) 6) (= main_x main_y))] [2018-07-23 13:55:54,673 INFO L134 CoverageAnalysis]: Checked inductivity of 120 backedges. 0 proven. 120 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-07-23 13:55:54,673 INFO L450 AbstractCegarLoop]: Interpolant automaton has 18 states [2018-07-23 13:55:54,675 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 18 interpolants. [2018-07-23 13:55:54,676 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=153, Invalid=153, Unknown=0, NotChecked=0, Total=306 [2018-07-23 13:55:54,676 INFO L87 Difference]: Start difference. First operand 19 states and 19 transitions. Second operand 18 states. [2018-07-23 13:55:54,705 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-07-23 13:55:54,706 INFO L93 Difference]: Finished difference Result 22 states and 22 transitions. [2018-07-23 13:55:54,706 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. [2018-07-23 13:55:54,706 INFO L78 Accepts]: Start accepts. Automaton has 18 states. Word has length 18 [2018-07-23 13:55:54,707 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-07-23 13:55:54,707 INFO L225 Difference]: With dead ends: 22 [2018-07-23 13:55:54,707 INFO L226 Difference]: Without dead ends: 20 [2018-07-23 13:55:54,708 INFO L575 BasicCegarLoop]: 0 DeclaredPredicates, 17 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 16 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=153, Invalid=153, Unknown=0, NotChecked=0, Total=306 [2018-07-23 13:55:54,709 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 20 states. [2018-07-23 13:55:54,722 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 20 to 20. [2018-07-23 13:55:54,722 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 20 states. [2018-07-23 13:55:54,723 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 20 states to 20 states and 20 transitions. [2018-07-23 13:55:54,725 INFO L78 Accepts]: Start accepts. Automaton has 20 states and 20 transitions. Word has length 18 [2018-07-23 13:55:54,726 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-07-23 13:55:54,726 INFO L471 AbstractCegarLoop]: Abstraction has 20 states and 20 transitions. [2018-07-23 13:55:54,726 INFO L472 AbstractCegarLoop]: Interpolant automaton has 18 states. [2018-07-23 13:55:54,726 INFO L276 IsEmpty]: Start isEmpty. Operand 20 states and 20 transitions. [2018-07-23 13:55:54,727 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 20 [2018-07-23 13:55:54,727 INFO L349 BasicCegarLoop]: Found error trace [2018-07-23 13:55:54,727 INFO L357 BasicCegarLoop]: trace histogram [16, 1, 1, 1] [2018-07-23 13:55:54,727 INFO L414 AbstractCegarLoop]: === Iteration 17 === [mainErr0AssertViolationASSERT]=== [2018-07-23 13:55:54,728 INFO L82 PathProgramCache]: Analyzing trace with hash 2055560032, now seen corresponding path program 16 times [2018-07-23 13:55:54,728 INFO L69 tionRefinementEngine]: Using refinement strategy FixedRefinementStrategy [2018-07-23 13:55:54,746 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-07-23 13:55:54,912 INFO L134 CoverageAnalysis]: Checked inductivity of 136 backedges. 0 proven. 136 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-07-23 13:55:54,912 INFO L309 seRefinementStrategy]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2018-07-23 13:55:54,912 INFO L324 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [18] total 18 [2018-07-23 13:55:54,913 INFO L142 lantAutomatonBuilder]: Constructing canonical interpolant automaton, with selfloop in false state [2018-07-23 13:55:54,913 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-07-23 13:55:54,915 INFO L185 omatonBuilderFactory]: Interpolants [1056#(or (<= (select main_a main_x) 1) (= main_x main_y)), 1057#(or (= main_x main_y) (<= (select main_a main_x) 2)), 1058#(or (= main_x main_y) (<= (select main_a main_x) 3)), 1059#(or (<= (select main_a main_x) 4) (= main_x main_y)), 1060#(or (<= (select main_a main_x) 5) (= main_x main_y)), 1061#(or (<= (select main_a main_x) 6) (= main_x main_y)), 1062#(or (<= (select main_a main_x) 7) (= main_x main_y)), 1063#(or (<= (select main_a main_x) 8) (= main_x main_y)), 1064#(or (= main_x main_y) (<= (select main_a main_x) 9)), 1065#(or (= main_x main_y) (<= (select main_a main_x) 10)), 1066#(or (= main_x main_y) (<= (select main_a main_x) 11)), 1067#(or (<= (select main_a main_x) 12) (= main_x main_y)), 1068#(or (= main_x main_y) (<= (select main_a main_x) 13)), 1069#(or (<= (select main_a main_x) 14) (= main_x main_y)), 1070#(or (<= (select main_a main_x) 15) (= main_x main_y)), 1071#(or (not (= (select main_a main_x) 1000)) (= main_x main_y)), 1053#true, 1054#false, 1055#(or (= 0 (select main_a main_x)) (= main_x main_y))] [2018-07-23 13:55:54,915 INFO L134 CoverageAnalysis]: Checked inductivity of 136 backedges. 0 proven. 136 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-07-23 13:55:54,916 INFO L450 AbstractCegarLoop]: Interpolant automaton has 19 states [2018-07-23 13:55:54,916 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 19 interpolants. [2018-07-23 13:55:54,916 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=171, Invalid=171, Unknown=0, NotChecked=0, Total=342 [2018-07-23 13:55:54,917 INFO L87 Difference]: Start difference. First operand 20 states and 20 transitions. Second operand 19 states. [2018-07-23 13:55:54,950 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-07-23 13:55:54,950 INFO L93 Difference]: Finished difference Result 23 states and 23 transitions. [2018-07-23 13:55:54,951 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 19 states. [2018-07-23 13:55:54,951 INFO L78 Accepts]: Start accepts. Automaton has 19 states. Word has length 19 [2018-07-23 13:55:54,951 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-07-23 13:55:54,952 INFO L225 Difference]: With dead ends: 23 [2018-07-23 13:55:54,952 INFO L226 Difference]: Without dead ends: 21 [2018-07-23 13:55:54,953 INFO L575 BasicCegarLoop]: 0 DeclaredPredicates, 18 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 17 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=171, Invalid=171, Unknown=0, NotChecked=0, Total=342 [2018-07-23 13:55:54,953 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 21 states. [2018-07-23 13:55:54,958 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 21 to 21. [2018-07-23 13:55:54,958 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 21 states. [2018-07-23 13:55:54,959 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 21 states to 21 states and 21 transitions. [2018-07-23 13:55:54,959 INFO L78 Accepts]: Start accepts. Automaton has 21 states and 21 transitions. Word has length 19 [2018-07-23 13:55:54,959 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-07-23 13:55:54,959 INFO L471 AbstractCegarLoop]: Abstraction has 21 states and 21 transitions. [2018-07-23 13:55:54,960 INFO L472 AbstractCegarLoop]: Interpolant automaton has 19 states. [2018-07-23 13:55:54,960 INFO L276 IsEmpty]: Start isEmpty. Operand 21 states and 21 transitions. [2018-07-23 13:55:54,960 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 21 [2018-07-23 13:55:54,960 INFO L349 BasicCegarLoop]: Found error trace [2018-07-23 13:55:54,961 INFO L357 BasicCegarLoop]: trace histogram [17, 1, 1, 1] [2018-07-23 13:55:54,961 INFO L414 AbstractCegarLoop]: === Iteration 18 === [mainErr0AssertViolationASSERT]=== [2018-07-23 13:55:54,961 INFO L82 PathProgramCache]: Analyzing trace with hash -702152314, now seen corresponding path program 17 times [2018-07-23 13:55:54,962 INFO L69 tionRefinementEngine]: Using refinement strategy FixedRefinementStrategy [2018-07-23 13:55:54,980 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-07-23 13:55:55,148 INFO L134 CoverageAnalysis]: Checked inductivity of 153 backedges. 0 proven. 153 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-07-23 13:55:55,149 INFO L309 seRefinementStrategy]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2018-07-23 13:55:55,149 INFO L324 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [19] total 19 [2018-07-23 13:55:55,149 INFO L142 lantAutomatonBuilder]: Constructing canonical interpolant automaton, with selfloop in false state [2018-07-23 13:55:55,149 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 13:55:55,150 INFO L185 omatonBuilderFactory]: Interpolants [1160#true, 1161#false, 1162#(or (= 0 (select main_a main_x)) (= main_x main_y)), 1163#(or (<= (select main_a main_x) 1) (= main_x main_y)), 1164#(or (= main_x main_y) (<= (select main_a main_x) 2)), 1165#(or (= main_x main_y) (<= (select main_a main_x) 3)), 1166#(or (<= (select main_a main_x) 4) (= main_x main_y)), 1167#(or (<= (select main_a main_x) 5) (= main_x main_y)), 1168#(or (<= (select main_a main_x) 6) (= main_x main_y)), 1169#(or (<= (select main_a main_x) 7) (= main_x main_y)), 1170#(or (<= (select main_a main_x) 8) (= main_x main_y)), 1171#(or (= main_x main_y) (<= (select main_a main_x) 9)), 1172#(or (= main_x main_y) (<= (select main_a main_x) 10)), 1173#(or (= main_x main_y) (<= (select main_a main_x) 11)), 1174#(or (<= (select main_a main_x) 12) (= main_x main_y)), 1175#(or (= main_x main_y) (<= (select main_a main_x) 13)), 1176#(or (<= (select main_a main_x) 14) (= main_x main_y)), 1177#(or (<= (select main_a main_x) 15) (= main_x main_y)), 1178#(or (<= (select main_a main_x) 16) (= main_x main_y)), 1179#(or (not (= (select main_a main_x) 1000)) (= main_x main_y))] [2018-07-23 13:55:55,150 INFO L134 CoverageAnalysis]: Checked inductivity of 153 backedges. 0 proven. 153 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-07-23 13:55:55,151 INFO L450 AbstractCegarLoop]: Interpolant automaton has 20 states [2018-07-23 13:55:55,151 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 20 interpolants. [2018-07-23 13:55:55,151 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=190, Invalid=190, Unknown=0, NotChecked=0, Total=380 [2018-07-23 13:55:55,152 INFO L87 Difference]: Start difference. First operand 21 states and 21 transitions. Second operand 20 states. [2018-07-23 13:55:55,182 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-07-23 13:55:55,183 INFO L93 Difference]: Finished difference Result 24 states and 24 transitions. [2018-07-23 13:55:55,183 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 20 states. [2018-07-23 13:55:55,183 INFO L78 Accepts]: Start accepts. Automaton has 20 states. Word has length 20 [2018-07-23 13:55:55,184 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-07-23 13:55:55,184 INFO L225 Difference]: With dead ends: 24 [2018-07-23 13:55:55,186 INFO L226 Difference]: Without dead ends: 22 [2018-07-23 13:55:55,187 INFO L575 BasicCegarLoop]: 0 DeclaredPredicates, 19 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 18 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=190, Invalid=190, Unknown=0, NotChecked=0, Total=380 [2018-07-23 13:55:55,187 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 22 states. [2018-07-23 13:55:55,193 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 22 to 22. [2018-07-23 13:55:55,193 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 22 states. [2018-07-23 13:55:55,194 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 22 states to 22 states and 22 transitions. [2018-07-23 13:55:55,197 INFO L78 Accepts]: Start accepts. Automaton has 22 states and 22 transitions. Word has length 20 [2018-07-23 13:55:55,197 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-07-23 13:55:55,198 INFO L471 AbstractCegarLoop]: Abstraction has 22 states and 22 transitions. [2018-07-23 13:55:55,198 INFO L472 AbstractCegarLoop]: Interpolant automaton has 20 states. [2018-07-23 13:55:55,198 INFO L276 IsEmpty]: Start isEmpty. Operand 22 states and 22 transitions. [2018-07-23 13:55:55,199 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2018-07-23 13:55:55,199 INFO L349 BasicCegarLoop]: Found error trace [2018-07-23 13:55:55,199 INFO L357 BasicCegarLoop]: trace histogram [18, 1, 1, 1] [2018-07-23 13:55:55,200 INFO L414 AbstractCegarLoop]: === Iteration 19 === [mainErr0AssertViolationASSERT]=== [2018-07-23 13:55:55,200 INFO L82 PathProgramCache]: Analyzing trace with hash -291889120, now seen corresponding path program 18 times [2018-07-23 13:55:55,200 INFO L69 tionRefinementEngine]: Using refinement strategy FixedRefinementStrategy [2018-07-23 13:55:55,218 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-07-23 13:55:55,415 INFO L134 CoverageAnalysis]: Checked inductivity of 171 backedges. 0 proven. 171 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-07-23 13:55:55,415 INFO L309 seRefinementStrategy]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2018-07-23 13:55:55,415 INFO L324 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [20] total 20 [2018-07-23 13:55:55,416 INFO L142 lantAutomatonBuilder]: Constructing canonical interpolant automaton, with selfloop in false state [2018-07-23 13:55:55,416 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-07-23 13:55:55,416 INFO L185 omatonBuilderFactory]: Interpolants [1280#(or (<= (select main_a main_x) 6) (= main_x main_y)), 1281#(or (<= (select main_a main_x) 7) (= main_x main_y)), 1282#(or (<= (select main_a main_x) 8) (= main_x main_y)), 1283#(or (= main_x main_y) (<= (select main_a main_x) 9)), 1284#(or (= main_x main_y) (<= (select main_a main_x) 10)), 1285#(or (= main_x main_y) (<= (select main_a main_x) 11)), 1286#(or (<= (select main_a main_x) 12) (= main_x main_y)), 1287#(or (= main_x main_y) (<= (select main_a main_x) 13)), 1288#(or (<= (select main_a main_x) 14) (= main_x main_y)), 1289#(or (<= (select main_a main_x) 15) (= main_x main_y)), 1290#(or (<= (select main_a main_x) 16) (= main_x main_y)), 1291#(or (= main_x main_y) (<= (select main_a main_x) 17)), 1292#(or (not (= (select main_a main_x) 1000)) (= main_x main_y)), 1272#true, 1273#false, 1274#(or (= 0 (select main_a main_x)) (= main_x main_y)), 1275#(or (<= (select main_a main_x) 1) (= main_x main_y)), 1276#(or (= main_x main_y) (<= (select main_a main_x) 2)), 1277#(or (= main_x main_y) (<= (select main_a main_x) 3)), 1278#(or (<= (select main_a main_x) 4) (= main_x main_y)), 1279#(or (<= (select main_a main_x) 5) (= main_x main_y))] [2018-07-23 13:55:55,417 INFO L134 CoverageAnalysis]: Checked inductivity of 171 backedges. 0 proven. 171 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-07-23 13:55:55,417 INFO L450 AbstractCegarLoop]: Interpolant automaton has 21 states [2018-07-23 13:55:55,417 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 21 interpolants. [2018-07-23 13:55:55,418 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=210, Invalid=210, Unknown=0, NotChecked=0, Total=420 [2018-07-23 13:55:55,418 INFO L87 Difference]: Start difference. First operand 22 states and 22 transitions. Second operand 21 states. [2018-07-23 13:55:55,446 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-07-23 13:55:55,446 INFO L93 Difference]: Finished difference Result 25 states and 25 transitions. [2018-07-23 13:55:55,446 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2018-07-23 13:55:55,446 INFO L78 Accepts]: Start accepts. Automaton has 21 states. Word has length 21 [2018-07-23 13:55:55,447 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-07-23 13:55:55,447 INFO L225 Difference]: With dead ends: 25 [2018-07-23 13:55:55,447 INFO L226 Difference]: Without dead ends: 23 [2018-07-23 13:55:55,448 INFO L575 BasicCegarLoop]: 0 DeclaredPredicates, 20 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 19 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=210, Invalid=210, Unknown=0, NotChecked=0, Total=420 [2018-07-23 13:55:55,448 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 23 states. [2018-07-23 13:55:55,453 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 23 to 23. [2018-07-23 13:55:55,453 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 23 states. [2018-07-23 13:55:55,454 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 23 states to 23 states and 23 transitions. [2018-07-23 13:55:55,454 INFO L78 Accepts]: Start accepts. Automaton has 23 states and 23 transitions. Word has length 21 [2018-07-23 13:55:55,454 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-07-23 13:55:55,455 INFO L471 AbstractCegarLoop]: Abstraction has 23 states and 23 transitions. [2018-07-23 13:55:55,455 INFO L472 AbstractCegarLoop]: Interpolant automaton has 21 states. [2018-07-23 13:55:55,455 INFO L276 IsEmpty]: Start isEmpty. Operand 23 states and 23 transitions. [2018-07-23 13:55:55,455 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 23 [2018-07-23 13:55:55,456 INFO L349 BasicCegarLoop]: Found error trace [2018-07-23 13:55:55,456 INFO L357 BasicCegarLoop]: trace histogram [19, 1, 1, 1] [2018-07-23 13:55:55,456 INFO L414 AbstractCegarLoop]: === Iteration 20 === [mainErr0AssertViolationASSERT]=== [2018-07-23 13:55:55,456 INFO L82 PathProgramCache]: Analyzing trace with hash -458631994, now seen corresponding path program 19 times [2018-07-23 13:55:55,456 INFO L69 tionRefinementEngine]: Using refinement strategy FixedRefinementStrategy [2018-07-23 13:55:55,473 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-07-23 13:55:55,632 INFO L134 CoverageAnalysis]: Checked inductivity of 190 backedges. 0 proven. 190 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-07-23 13:55:55,632 INFO L309 seRefinementStrategy]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2018-07-23 13:55:55,633 INFO L324 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [21] total 21 [2018-07-23 13:55:55,633 INFO L142 lantAutomatonBuilder]: Constructing canonical interpolant automaton, with selfloop in false state [2018-07-23 13:55:55,633 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-07-23 13:55:55,634 INFO L185 omatonBuilderFactory]: Interpolants [1408#(or (= main_x main_y) (<= (select main_a main_x) 17)), 1409#(or (<= (select main_a main_x) 18) (= main_x main_y)), 1410#(or (not (= (select main_a main_x) 1000)) (= main_x main_y)), 1389#true, 1390#false, 1391#(or (= 0 (select main_a main_x)) (= main_x main_y)), 1392#(or (<= (select main_a main_x) 1) (= main_x main_y)), 1393#(or (= main_x main_y) (<= (select main_a main_x) 2)), 1394#(or (= main_x main_y) (<= (select main_a main_x) 3)), 1395#(or (<= (select main_a main_x) 4) (= main_x main_y)), 1396#(or (<= (select main_a main_x) 5) (= main_x main_y)), 1397#(or (<= (select main_a main_x) 6) (= main_x main_y)), 1398#(or (<= (select main_a main_x) 7) (= main_x main_y)), 1399#(or (<= (select main_a main_x) 8) (= main_x main_y)), 1400#(or (= main_x main_y) (<= (select main_a main_x) 9)), 1401#(or (= main_x main_y) (<= (select main_a main_x) 10)), 1402#(or (= main_x main_y) (<= (select main_a main_x) 11)), 1403#(or (<= (select main_a main_x) 12) (= main_x main_y)), 1404#(or (= main_x main_y) (<= (select main_a main_x) 13)), 1405#(or (<= (select main_a main_x) 14) (= main_x main_y)), 1406#(or (<= (select main_a main_x) 15) (= main_x main_y)), 1407#(or (<= (select main_a main_x) 16) (= main_x main_y))] [2018-07-23 13:55:55,634 INFO L134 CoverageAnalysis]: Checked inductivity of 190 backedges. 0 proven. 190 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-07-23 13:55:55,634 INFO L450 AbstractCegarLoop]: Interpolant automaton has 22 states [2018-07-23 13:55:55,635 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 22 interpolants. [2018-07-23 13:55:55,635 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=231, Invalid=231, Unknown=0, NotChecked=0, Total=462 [2018-07-23 13:55:55,636 INFO L87 Difference]: Start difference. First operand 23 states and 23 transitions. Second operand 22 states. [2018-07-23 13:55:55,657 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-07-23 13:55:55,657 INFO L93 Difference]: Finished difference Result 26 states and 26 transitions. [2018-07-23 13:55:55,657 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 22 states. [2018-07-23 13:55:55,658 INFO L78 Accepts]: Start accepts. Automaton has 22 states. Word has length 22 [2018-07-23 13:55:55,658 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-07-23 13:55:55,659 INFO L225 Difference]: With dead ends: 26 [2018-07-23 13:55:55,659 INFO L226 Difference]: Without dead ends: 24 [2018-07-23 13:55:55,659 INFO L575 BasicCegarLoop]: 0 DeclaredPredicates, 21 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 20 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=231, Invalid=231, Unknown=0, NotChecked=0, Total=462 [2018-07-23 13:55:55,660 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 24 states. [2018-07-23 13:55:55,665 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 24 to 24. [2018-07-23 13:55:55,665 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 24 states. [2018-07-23 13:55:55,666 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 24 states to 24 states and 24 transitions. [2018-07-23 13:55:55,666 INFO L78 Accepts]: Start accepts. Automaton has 24 states and 24 transitions. Word has length 22 [2018-07-23 13:55:55,666 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-07-23 13:55:55,666 INFO L471 AbstractCegarLoop]: Abstraction has 24 states and 24 transitions. [2018-07-23 13:55:55,666 INFO L472 AbstractCegarLoop]: Interpolant automaton has 22 states. [2018-07-23 13:55:55,667 INFO L276 IsEmpty]: Start isEmpty. Operand 24 states and 24 transitions. [2018-07-23 13:55:55,667 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2018-07-23 13:55:55,667 INFO L349 BasicCegarLoop]: Found error trace [2018-07-23 13:55:55,667 INFO L357 BasicCegarLoop]: trace histogram [20, 1, 1, 1] [2018-07-23 13:55:55,668 INFO L414 AbstractCegarLoop]: === Iteration 21 === [mainErr0AssertViolationASSERT]=== [2018-07-23 13:55:55,668 INFO L82 PathProgramCache]: Analyzing trace with hash -1332693792, now seen corresponding path program 20 times [2018-07-23 13:55:55,668 INFO L69 tionRefinementEngine]: Using refinement strategy FixedRefinementStrategy [2018-07-23 13:55:55,686 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-07-23 13:55:55,904 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 13:55:55,904 INFO L309 seRefinementStrategy]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2018-07-23 13:55:55,905 INFO L324 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [22] total 22 [2018-07-23 13:55:55,905 INFO L142 lantAutomatonBuilder]: Constructing canonical interpolant automaton, with selfloop in false state [2018-07-23 13:55:55,905 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-07-23 13:55:55,906 INFO L185 omatonBuilderFactory]: Interpolants [1511#true, 1512#false, 1513#(or (= 0 (select main_a main_x)) (= main_x main_y)), 1514#(or (<= (select main_a main_x) 1) (= main_x main_y)), 1515#(or (= main_x main_y) (<= (select main_a main_x) 2)), 1516#(or (= main_x main_y) (<= (select main_a main_x) 3)), 1517#(or (<= (select main_a main_x) 4) (= main_x main_y)), 1518#(or (<= (select main_a main_x) 5) (= main_x main_y)), 1519#(or (<= (select main_a main_x) 6) (= main_x main_y)), 1520#(or (<= (select main_a main_x) 7) (= main_x main_y)), 1521#(or (<= (select main_a main_x) 8) (= main_x main_y)), 1522#(or (= main_x main_y) (<= (select main_a main_x) 9)), 1523#(or (= main_x main_y) (<= (select main_a main_x) 10)), 1524#(or (= main_x main_y) (<= (select main_a main_x) 11)), 1525#(or (<= (select main_a main_x) 12) (= main_x main_y)), 1526#(or (= main_x main_y) (<= (select main_a main_x) 13)), 1527#(or (<= (select main_a main_x) 14) (= main_x main_y)), 1528#(or (<= (select main_a main_x) 15) (= main_x main_y)), 1529#(or (<= (select main_a main_x) 16) (= main_x main_y)), 1530#(or (= main_x main_y) (<= (select main_a main_x) 17)), 1531#(or (<= (select main_a main_x) 18) (= main_x main_y)), 1532#(or (<= (select main_a main_x) 19) (= main_x main_y)), 1533#(or (not (= (select main_a main_x) 1000)) (= main_x main_y))] [2018-07-23 13:55:55,906 INFO L134 CoverageAnalysis]: Checked inductivity of 210 backedges. 0 proven. 210 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-07-23 13:55:55,906 INFO L450 AbstractCegarLoop]: Interpolant automaton has 23 states [2018-07-23 13:55:55,907 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 23 interpolants. [2018-07-23 13:55:55,907 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=253, Invalid=253, Unknown=0, NotChecked=0, Total=506 [2018-07-23 13:55:55,909 INFO L87 Difference]: Start difference. First operand 24 states and 24 transitions. Second operand 23 states. [2018-07-23 13:55:55,945 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-07-23 13:55:55,946 INFO L93 Difference]: Finished difference Result 27 states and 27 transitions. [2018-07-23 13:55:55,946 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 23 states. [2018-07-23 13:55:55,946 INFO L78 Accepts]: Start accepts. Automaton has 23 states. Word has length 23 [2018-07-23 13:55:55,946 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-07-23 13:55:55,947 INFO L225 Difference]: With dead ends: 27 [2018-07-23 13:55:55,947 INFO L226 Difference]: Without dead ends: 25 [2018-07-23 13:55:55,950 INFO L575 BasicCegarLoop]: 0 DeclaredPredicates, 22 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 21 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=253, Invalid=253, Unknown=0, NotChecked=0, Total=506 [2018-07-23 13:55:55,951 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 25 states. [2018-07-23 13:55:55,956 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 25 to 25. [2018-07-23 13:55:55,957 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 25 states. [2018-07-23 13:55:55,960 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 25 states to 25 states and 25 transitions. [2018-07-23 13:55:55,960 INFO L78 Accepts]: Start accepts. Automaton has 25 states and 25 transitions. Word has length 23 [2018-07-23 13:55:55,960 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-07-23 13:55:55,961 INFO L471 AbstractCegarLoop]: Abstraction has 25 states and 25 transitions. [2018-07-23 13:55:55,961 INFO L472 AbstractCegarLoop]: Interpolant automaton has 23 states. [2018-07-23 13:55:55,961 INFO L276 IsEmpty]: Start isEmpty. Operand 25 states and 25 transitions. [2018-07-23 13:55:55,962 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 25 [2018-07-23 13:55:55,962 INFO L349 BasicCegarLoop]: Found error trace [2018-07-23 13:55:55,962 INFO L357 BasicCegarLoop]: trace histogram [21, 1, 1, 1] [2018-07-23 13:55:55,962 INFO L414 AbstractCegarLoop]: === Iteration 22 === [mainErr0AssertViolationASSERT]=== [2018-07-23 13:55:55,962 INFO L82 PathProgramCache]: Analyzing trace with hash 1636161542, now seen corresponding path program 21 times [2018-07-23 13:55:55,963 INFO L69 tionRefinementEngine]: Using refinement strategy FixedRefinementStrategy [2018-07-23 13:55:55,987 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-07-23 13:55:56,181 INFO L134 CoverageAnalysis]: Checked inductivity of 231 backedges. 0 proven. 231 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-07-23 13:55:56,182 INFO L309 seRefinementStrategy]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2018-07-23 13:55:56,182 INFO L324 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [23] total 23 [2018-07-23 13:55:56,182 INFO L142 lantAutomatonBuilder]: Constructing canonical interpolant automaton, with selfloop in false state [2018-07-23 13:55:56,183 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-07-23 13:55:56,183 INFO L185 omatonBuilderFactory]: Interpolants [1638#true, 1639#false, 1640#(or (= 0 (select main_a main_x)) (= main_x main_y)), 1641#(or (<= (select main_a main_x) 1) (= main_x main_y)), 1642#(or (= main_x main_y) (<= (select main_a main_x) 2)), 1643#(or (= main_x main_y) (<= (select main_a main_x) 3)), 1644#(or (<= (select main_a main_x) 4) (= main_x main_y)), 1645#(or (<= (select main_a main_x) 5) (= main_x main_y)), 1646#(or (<= (select main_a main_x) 6) (= main_x main_y)), 1647#(or (<= (select main_a main_x) 7) (= main_x main_y)), 1648#(or (<= (select main_a main_x) 8) (= main_x main_y)), 1649#(or (= main_x main_y) (<= (select main_a main_x) 9)), 1650#(or (= main_x main_y) (<= (select main_a main_x) 10)), 1651#(or (= main_x main_y) (<= (select main_a main_x) 11)), 1652#(or (<= (select main_a main_x) 12) (= main_x main_y)), 1653#(or (= main_x main_y) (<= (select main_a main_x) 13)), 1654#(or (<= (select main_a main_x) 14) (= main_x main_y)), 1655#(or (<= (select main_a main_x) 15) (= main_x main_y)), 1656#(or (<= (select main_a main_x) 16) (= main_x main_y)), 1657#(or (= main_x main_y) (<= (select main_a main_x) 17)), 1658#(or (<= (select main_a main_x) 18) (= main_x main_y)), 1659#(or (<= (select main_a main_x) 19) (= main_x main_y)), 1660#(or (= main_x main_y) (<= (select main_a main_x) 20)), 1661#(or (not (= (select main_a main_x) 1000)) (= main_x main_y))] [2018-07-23 13:55:56,184 INFO L134 CoverageAnalysis]: Checked inductivity of 231 backedges. 0 proven. 231 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-07-23 13:55:56,184 INFO L450 AbstractCegarLoop]: Interpolant automaton has 24 states [2018-07-23 13:55:56,184 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 24 interpolants. [2018-07-23 13:55:56,185 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=276, Invalid=276, Unknown=0, NotChecked=0, Total=552 [2018-07-23 13:55:56,185 INFO L87 Difference]: Start difference. First operand 25 states and 25 transitions. Second operand 24 states. [2018-07-23 13:55:56,220 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-07-23 13:55:56,220 INFO L93 Difference]: Finished difference Result 28 states and 28 transitions. [2018-07-23 13:55:56,220 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 24 states. [2018-07-23 13:55:56,221 INFO L78 Accepts]: Start accepts. Automaton has 24 states. Word has length 24 [2018-07-23 13:55:56,221 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-07-23 13:55:56,221 INFO L225 Difference]: With dead ends: 28 [2018-07-23 13:55:56,222 INFO L226 Difference]: Without dead ends: 26 [2018-07-23 13:55:56,222 INFO L575 BasicCegarLoop]: 0 DeclaredPredicates, 23 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 22 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=276, Invalid=276, Unknown=0, NotChecked=0, Total=552 [2018-07-23 13:55:56,223 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 26 states. [2018-07-23 13:55:56,256 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 26 to 26. [2018-07-23 13:55:56,256 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 26 states. [2018-07-23 13:55:56,256 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 26 states to 26 states and 26 transitions. [2018-07-23 13:55:56,257 INFO L78 Accepts]: Start accepts. Automaton has 26 states and 26 transitions. Word has length 24 [2018-07-23 13:55:56,257 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-07-23 13:55:56,257 INFO L471 AbstractCegarLoop]: Abstraction has 26 states and 26 transitions. [2018-07-23 13:55:56,257 INFO L472 AbstractCegarLoop]: Interpolant automaton has 24 states. [2018-07-23 13:55:56,257 INFO L276 IsEmpty]: Start isEmpty. Operand 26 states and 26 transitions. [2018-07-23 13:55:56,258 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2018-07-23 13:55:56,258 INFO L349 BasicCegarLoop]: Found error trace [2018-07-23 13:55:56,258 INFO L357 BasicCegarLoop]: trace histogram [22, 1, 1, 1] [2018-07-23 13:55:56,258 INFO L414 AbstractCegarLoop]: === Iteration 23 === [mainErr0AssertViolationASSERT]=== [2018-07-23 13:55:56,258 INFO L82 PathProgramCache]: Analyzing trace with hash -818603616, now seen corresponding path program 22 times [2018-07-23 13:55:56,258 INFO L69 tionRefinementEngine]: Using refinement strategy FixedRefinementStrategy [2018-07-23 13:55:56,317 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-07-23 13:55:56,605 INFO L134 CoverageAnalysis]: Checked inductivity of 253 backedges. 0 proven. 253 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-07-23 13:55:56,606 INFO L309 seRefinementStrategy]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2018-07-23 13:55:56,606 INFO L324 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [24] total 24 [2018-07-23 13:55:56,606 INFO L142 lantAutomatonBuilder]: Constructing canonical interpolant automaton, with selfloop in false state [2018-07-23 13:55:56,606 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-07-23 13:55:56,607 INFO L185 omatonBuilderFactory]: Interpolants [1792#(or (= main_x main_y) (<= (select main_a main_x) 20)), 1793#(or (<= (select main_a main_x) 21) (= main_x main_y)), 1794#(or (not (= (select main_a main_x) 1000)) (= main_x main_y)), 1770#true, 1771#false, 1772#(or (= 0 (select main_a main_x)) (= main_x main_y)), 1773#(or (<= (select main_a main_x) 1) (= main_x main_y)), 1774#(or (= main_x main_y) (<= (select main_a main_x) 2)), 1775#(or (= main_x main_y) (<= (select main_a main_x) 3)), 1776#(or (<= (select main_a main_x) 4) (= main_x main_y)), 1777#(or (<= (select main_a main_x) 5) (= main_x main_y)), 1778#(or (<= (select main_a main_x) 6) (= main_x main_y)), 1779#(or (<= (select main_a main_x) 7) (= main_x main_y)), 1780#(or (<= (select main_a main_x) 8) (= main_x main_y)), 1781#(or (= main_x main_y) (<= (select main_a main_x) 9)), 1782#(or (= main_x main_y) (<= (select main_a main_x) 10)), 1783#(or (= main_x main_y) (<= (select main_a main_x) 11)), 1784#(or (<= (select main_a main_x) 12) (= main_x main_y)), 1785#(or (= main_x main_y) (<= (select main_a main_x) 13)), 1786#(or (<= (select main_a main_x) 14) (= main_x main_y)), 1787#(or (<= (select main_a main_x) 15) (= main_x main_y)), 1788#(or (<= (select main_a main_x) 16) (= main_x main_y)), 1789#(or (= main_x main_y) (<= (select main_a main_x) 17)), 1790#(or (<= (select main_a main_x) 18) (= main_x main_y)), 1791#(or (<= (select main_a main_x) 19) (= main_x main_y))] [2018-07-23 13:55:56,607 INFO L134 CoverageAnalysis]: Checked inductivity of 253 backedges. 0 proven. 253 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-07-23 13:55:56,608 INFO L450 AbstractCegarLoop]: Interpolant automaton has 25 states [2018-07-23 13:55:56,608 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 25 interpolants. [2018-07-23 13:55:56,608 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=300, Invalid=300, Unknown=0, NotChecked=0, Total=600 [2018-07-23 13:55:56,609 INFO L87 Difference]: Start difference. First operand 26 states and 26 transitions. Second operand 25 states. [2018-07-23 13:55:56,631 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-07-23 13:55:56,631 INFO L93 Difference]: Finished difference Result 29 states and 29 transitions. [2018-07-23 13:55:56,632 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 25 states. [2018-07-23 13:55:56,632 INFO L78 Accepts]: Start accepts. Automaton has 25 states. Word has length 25 [2018-07-23 13:55:56,632 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-07-23 13:55:56,632 INFO L225 Difference]: With dead ends: 29 [2018-07-23 13:55:56,633 INFO L226 Difference]: Without dead ends: 27 [2018-07-23 13:55:56,633 INFO L575 BasicCegarLoop]: 0 DeclaredPredicates, 24 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 23 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=300, Invalid=300, Unknown=0, NotChecked=0, Total=600 [2018-07-23 13:55:56,634 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 27 states. [2018-07-23 13:55:56,638 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 27 to 27. [2018-07-23 13:55:56,639 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 27 states. [2018-07-23 13:55:56,639 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 27 states to 27 states and 27 transitions. [2018-07-23 13:55:56,640 INFO L78 Accepts]: Start accepts. Automaton has 27 states and 27 transitions. Word has length 25 [2018-07-23 13:55:56,640 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-07-23 13:55:56,640 INFO L471 AbstractCegarLoop]: Abstraction has 27 states and 27 transitions. [2018-07-23 13:55:56,640 INFO L472 AbstractCegarLoop]: Interpolant automaton has 25 states. [2018-07-23 13:55:56,640 INFO L276 IsEmpty]: Start isEmpty. Operand 27 states and 27 transitions. [2018-07-23 13:55:56,641 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 27 [2018-07-23 13:55:56,641 INFO L349 BasicCegarLoop]: Found error trace [2018-07-23 13:55:56,641 INFO L357 BasicCegarLoop]: trace histogram [23, 1, 1, 1] [2018-07-23 13:55:56,641 INFO L414 AbstractCegarLoop]: === Iteration 24 === [mainErr0AssertViolationASSERT]=== [2018-07-23 13:55:56,642 INFO L82 PathProgramCache]: Analyzing trace with hash 393087814, now seen corresponding path program 23 times [2018-07-23 13:55:56,642 INFO L69 tionRefinementEngine]: Using refinement strategy FixedRefinementStrategy [2018-07-23 13:55:56,663 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-07-23 13:55:56,845 INFO L134 CoverageAnalysis]: Checked inductivity of 276 backedges. 0 proven. 276 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-07-23 13:55:56,846 INFO L309 seRefinementStrategy]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2018-07-23 13:55:56,846 INFO L324 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [25] total 25 [2018-07-23 13:55:56,846 INFO L142 lantAutomatonBuilder]: Constructing canonical interpolant automaton, with selfloop in false state [2018-07-23 13:55:56,846 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-07-23 13:55:56,847 INFO L185 omatonBuilderFactory]: Interpolants [1920#(or (= main_x main_y) (<= (select main_a main_x) 11)), 1921#(or (<= (select main_a main_x) 12) (= main_x main_y)), 1922#(or (= main_x main_y) (<= (select main_a main_x) 13)), 1923#(or (<= (select main_a main_x) 14) (= main_x main_y)), 1924#(or (<= (select main_a main_x) 15) (= main_x main_y)), 1925#(or (<= (select main_a main_x) 16) (= main_x main_y)), 1926#(or (= main_x main_y) (<= (select main_a main_x) 17)), 1927#(or (<= (select main_a main_x) 18) (= main_x main_y)), 1928#(or (<= (select main_a main_x) 19) (= main_x main_y)), 1929#(or (= main_x main_y) (<= (select main_a main_x) 20)), 1930#(or (<= (select main_a main_x) 21) (= main_x main_y)), 1931#(or (= main_x main_y) (<= (select main_a main_x) 22)), 1932#(or (not (= (select main_a main_x) 1000)) (= main_x main_y)), 1907#true, 1908#false, 1909#(or (= 0 (select main_a main_x)) (= main_x main_y)), 1910#(or (<= (select main_a main_x) 1) (= main_x main_y)), 1911#(or (= main_x main_y) (<= (select main_a main_x) 2)), 1912#(or (= main_x main_y) (<= (select main_a main_x) 3)), 1913#(or (<= (select main_a main_x) 4) (= main_x main_y)), 1914#(or (<= (select main_a main_x) 5) (= main_x main_y)), 1915#(or (<= (select main_a main_x) 6) (= main_x main_y)), 1916#(or (<= (select main_a main_x) 7) (= main_x main_y)), 1917#(or (<= (select main_a main_x) 8) (= main_x main_y)), 1918#(or (= main_x main_y) (<= (select main_a main_x) 9)), 1919#(or (= main_x main_y) (<= (select main_a main_x) 10))] [2018-07-23 13:55:56,847 INFO L134 CoverageAnalysis]: Checked inductivity of 276 backedges. 0 proven. 276 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-07-23 13:55:56,847 INFO L450 AbstractCegarLoop]: Interpolant automaton has 26 states [2018-07-23 13:55:56,847 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 26 interpolants. [2018-07-23 13:55:56,848 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=325, Invalid=325, Unknown=0, NotChecked=0, Total=650 [2018-07-23 13:55:56,848 INFO L87 Difference]: Start difference. First operand 27 states and 27 transitions. Second operand 26 states. [2018-07-23 13:55:56,873 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-07-23 13:55:56,874 INFO L93 Difference]: Finished difference Result 30 states and 30 transitions. [2018-07-23 13:55:56,874 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 26 states. [2018-07-23 13:55:56,874 INFO L78 Accepts]: Start accepts. Automaton has 26 states. Word has length 26 [2018-07-23 13:55:56,874 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-07-23 13:55:56,874 INFO L225 Difference]: With dead ends: 30 [2018-07-23 13:55:56,875 INFO L226 Difference]: Without dead ends: 28 [2018-07-23 13:55:56,875 INFO L575 BasicCegarLoop]: 0 DeclaredPredicates, 25 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 24 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=325, Invalid=325, Unknown=0, NotChecked=0, Total=650 [2018-07-23 13:55:56,876 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 28 states. [2018-07-23 13:55:56,880 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 28 to 28. [2018-07-23 13:55:56,881 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 28 states. [2018-07-23 13:55:56,881 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 28 states to 28 states and 28 transitions. [2018-07-23 13:55:56,881 INFO L78 Accepts]: Start accepts. Automaton has 28 states and 28 transitions. Word has length 26 [2018-07-23 13:55:56,881 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-07-23 13:55:56,882 INFO L471 AbstractCegarLoop]: Abstraction has 28 states and 28 transitions. [2018-07-23 13:55:56,882 INFO L472 AbstractCegarLoop]: Interpolant automaton has 26 states. [2018-07-23 13:55:56,882 INFO L276 IsEmpty]: Start isEmpty. Operand 28 states and 28 transitions. [2018-07-23 13:55:56,882 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 28 [2018-07-23 13:55:56,882 INFO L349 BasicCegarLoop]: Found error trace [2018-07-23 13:55:56,882 INFO L357 BasicCegarLoop]: trace histogram [24, 1, 1, 1] [2018-07-23 13:55:56,883 INFO L414 AbstractCegarLoop]: === Iteration 25 === [mainErr0AssertViolationASSERT]=== [2018-07-23 13:55:56,883 INFO L82 PathProgramCache]: Analyzing trace with hash -699183520, now seen corresponding path program 24 times [2018-07-23 13:55:56,883 INFO L69 tionRefinementEngine]: Using refinement strategy FixedRefinementStrategy [2018-07-23 13:55:56,903 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-07-23 13:55:57,097 INFO L134 CoverageAnalysis]: Checked inductivity of 300 backedges. 0 proven. 300 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-07-23 13:55:57,097 INFO L309 seRefinementStrategy]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2018-07-23 13:55:57,098 INFO L324 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [26] total 26 [2018-07-23 13:55:57,098 INFO L142 lantAutomatonBuilder]: Constructing canonical interpolant automaton, with selfloop in false state [2018-07-23 13:55:57,098 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-07-23 13:55:57,098 INFO L185 omatonBuilderFactory]: Interpolants [2049#true, 2050#false, 2051#(or (= 0 (select main_a main_x)) (= main_x main_y)), 2052#(or (<= (select main_a main_x) 1) (= main_x main_y)), 2053#(or (= main_x main_y) (<= (select main_a main_x) 2)), 2054#(or (= main_x main_y) (<= (select main_a main_x) 3)), 2055#(or (<= (select main_a main_x) 4) (= main_x main_y)), 2056#(or (<= (select main_a main_x) 5) (= main_x main_y)), 2057#(or (<= (select main_a main_x) 6) (= main_x main_y)), 2058#(or (<= (select main_a main_x) 7) (= main_x main_y)), 2059#(or (<= (select main_a main_x) 8) (= main_x main_y)), 2060#(or (= main_x main_y) (<= (select main_a main_x) 9)), 2061#(or (= main_x main_y) (<= (select main_a main_x) 10)), 2062#(or (= main_x main_y) (<= (select main_a main_x) 11)), 2063#(or (<= (select main_a main_x) 12) (= main_x main_y)), 2064#(or (= main_x main_y) (<= (select main_a main_x) 13)), 2065#(or (<= (select main_a main_x) 14) (= main_x main_y)), 2066#(or (<= (select main_a main_x) 15) (= main_x main_y)), 2067#(or (<= (select main_a main_x) 16) (= main_x main_y)), 2068#(or (= main_x main_y) (<= (select main_a main_x) 17)), 2069#(or (<= (select main_a main_x) 18) (= main_x main_y)), 2070#(or (<= (select main_a main_x) 19) (= main_x main_y)), 2071#(or (= main_x main_y) (<= (select main_a main_x) 20)), 2072#(or (<= (select main_a main_x) 21) (= main_x main_y)), 2073#(or (= main_x main_y) (<= (select main_a main_x) 22)), 2074#(or (= main_x main_y) (<= (select main_a main_x) 23)), 2075#(or (not (= (select main_a main_x) 1000)) (= main_x main_y))] [2018-07-23 13:55:57,099 INFO L134 CoverageAnalysis]: Checked inductivity of 300 backedges. 0 proven. 300 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-07-23 13:55:57,099 INFO L450 AbstractCegarLoop]: Interpolant automaton has 27 states [2018-07-23 13:55:57,099 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 27 interpolants. [2018-07-23 13:55:57,100 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=351, Invalid=351, Unknown=0, NotChecked=0, Total=702 [2018-07-23 13:55:57,100 INFO L87 Difference]: Start difference. First operand 28 states and 28 transitions. Second operand 27 states. [2018-07-23 13:55:57,135 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-07-23 13:55:57,135 INFO L93 Difference]: Finished difference Result 31 states and 31 transitions. [2018-07-23 13:55:57,135 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 27 states. [2018-07-23 13:55:57,135 INFO L78 Accepts]: Start accepts. Automaton has 27 states. Word has length 27 [2018-07-23 13:55:57,135 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-07-23 13:55:57,136 INFO L225 Difference]: With dead ends: 31 [2018-07-23 13:55:57,136 INFO L226 Difference]: Without dead ends: 29 [2018-07-23 13:55:57,137 INFO L575 BasicCegarLoop]: 0 DeclaredPredicates, 26 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 25 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=351, Invalid=351, Unknown=0, NotChecked=0, Total=702 [2018-07-23 13:55:57,137 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 29 states. [2018-07-23 13:55:57,143 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 29 to 29. [2018-07-23 13:55:57,144 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 29 states. [2018-07-23 13:55:57,144 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 29 states to 29 states and 29 transitions. [2018-07-23 13:55:57,144 INFO L78 Accepts]: Start accepts. Automaton has 29 states and 29 transitions. Word has length 27 [2018-07-23 13:55:57,144 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-07-23 13:55:57,145 INFO L471 AbstractCegarLoop]: Abstraction has 29 states and 29 transitions. [2018-07-23 13:55:57,145 INFO L472 AbstractCegarLoop]: Interpolant automaton has 27 states. [2018-07-23 13:55:57,145 INFO L276 IsEmpty]: Start isEmpty. Operand 29 states and 29 transitions. [2018-07-23 13:55:57,145 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 29 [2018-07-23 13:55:57,145 INFO L349 BasicCegarLoop]: Found error trace [2018-07-23 13:55:57,146 INFO L357 BasicCegarLoop]: trace histogram [25, 1, 1, 1] [2018-07-23 13:55:57,146 INFO L414 AbstractCegarLoop]: === Iteration 26 === [mainErr0AssertViolationASSERT]=== [2018-07-23 13:55:57,146 INFO L82 PathProgramCache]: Analyzing trace with hash -199856506, now seen corresponding path program 25 times [2018-07-23 13:55:57,146 INFO L69 tionRefinementEngine]: Using refinement strategy FixedRefinementStrategy [2018-07-23 13:55:57,169 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-07-23 13:55:57,391 INFO L134 CoverageAnalysis]: Checked inductivity of 325 backedges. 0 proven. 325 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-07-23 13:55:57,391 INFO L309 seRefinementStrategy]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2018-07-23 13:55:57,392 INFO L324 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [27] total 27 [2018-07-23 13:55:57,392 INFO L142 lantAutomatonBuilder]: Constructing canonical interpolant automaton, with selfloop in false state [2018-07-23 13:55:57,392 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-07-23 13:55:57,392 INFO L185 omatonBuilderFactory]: Interpolants [2196#true, 2197#false, 2198#(or (= 0 (select main_a main_x)) (= main_x main_y)), 2199#(or (<= (select main_a main_x) 1) (= main_x main_y)), 2200#(or (= main_x main_y) (<= (select main_a main_x) 2)), 2201#(or (= main_x main_y) (<= (select main_a main_x) 3)), 2202#(or (<= (select main_a main_x) 4) (= main_x main_y)), 2203#(or (<= (select main_a main_x) 5) (= main_x main_y)), 2204#(or (<= (select main_a main_x) 6) (= main_x main_y)), 2205#(or (<= (select main_a main_x) 7) (= main_x main_y)), 2206#(or (<= (select main_a main_x) 8) (= main_x main_y)), 2207#(or (= main_x main_y) (<= (select main_a main_x) 9)), 2208#(or (= main_x main_y) (<= (select main_a main_x) 10)), 2209#(or (= main_x main_y) (<= (select main_a main_x) 11)), 2210#(or (<= (select main_a main_x) 12) (= main_x main_y)), 2211#(or (= main_x main_y) (<= (select main_a main_x) 13)), 2212#(or (<= (select main_a main_x) 14) (= main_x main_y)), 2213#(or (<= (select main_a main_x) 15) (= main_x main_y)), 2214#(or (<= (select main_a main_x) 16) (= main_x main_y)), 2215#(or (= main_x main_y) (<= (select main_a main_x) 17)), 2216#(or (<= (select main_a main_x) 18) (= main_x main_y)), 2217#(or (<= (select main_a main_x) 19) (= main_x main_y)), 2218#(or (= main_x main_y) (<= (select main_a main_x) 20)), 2219#(or (<= (select main_a main_x) 21) (= main_x main_y)), 2220#(or (= main_x main_y) (<= (select main_a main_x) 22)), 2221#(or (= main_x main_y) (<= (select main_a main_x) 23)), 2222#(or (<= (select main_a main_x) 24) (= main_x main_y)), 2223#(or (not (= (select main_a main_x) 1000)) (= main_x main_y))] [2018-07-23 13:55:57,393 INFO L134 CoverageAnalysis]: Checked inductivity of 325 backedges. 0 proven. 325 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-07-23 13:55:57,393 INFO L450 AbstractCegarLoop]: Interpolant automaton has 28 states [2018-07-23 13:55:57,393 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 28 interpolants. [2018-07-23 13:55:57,394 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=378, Invalid=378, Unknown=0, NotChecked=0, Total=756 [2018-07-23 13:55:57,396 INFO L87 Difference]: Start difference. First operand 29 states and 29 transitions. Second operand 28 states. [2018-07-23 13:55:57,438 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-07-23 13:55:57,438 INFO L93 Difference]: Finished difference Result 32 states and 32 transitions. [2018-07-23 13:55:57,438 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 28 states. [2018-07-23 13:55:57,438 INFO L78 Accepts]: Start accepts. Automaton has 28 states. Word has length 28 [2018-07-23 13:55:57,439 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-07-23 13:55:57,439 INFO L225 Difference]: With dead ends: 32 [2018-07-23 13:55:57,439 INFO L226 Difference]: Without dead ends: 30 [2018-07-23 13:55:57,440 INFO L575 BasicCegarLoop]: 0 DeclaredPredicates, 27 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 26 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=378, Invalid=378, Unknown=0, NotChecked=0, Total=756 [2018-07-23 13:55:57,440 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 30 states. [2018-07-23 13:55:57,445 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 30 to 30. [2018-07-23 13:55:57,445 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 30 states. [2018-07-23 13:55:57,445 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 30 states to 30 states and 30 transitions. [2018-07-23 13:55:57,446 INFO L78 Accepts]: Start accepts. Automaton has 30 states and 30 transitions. Word has length 28 [2018-07-23 13:55:57,446 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-07-23 13:55:57,446 INFO L471 AbstractCegarLoop]: Abstraction has 30 states and 30 transitions. [2018-07-23 13:55:57,446 INFO L472 AbstractCegarLoop]: Interpolant automaton has 28 states. [2018-07-23 13:55:57,446 INFO L276 IsEmpty]: Start isEmpty. Operand 30 states and 30 transitions. [2018-07-23 13:55:57,447 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 30 [2018-07-23 13:55:57,447 INFO L349 BasicCegarLoop]: Found error trace [2018-07-23 13:55:57,447 INFO L357 BasicCegarLoop]: trace histogram [26, 1, 1, 1] [2018-07-23 13:55:57,447 INFO L414 AbstractCegarLoop]: === Iteration 27 === [mainErr0AssertViolationASSERT]=== [2018-07-23 13:55:57,448 INFO L82 PathProgramCache]: Analyzing trace with hash -1900588256, now seen corresponding path program 26 times [2018-07-23 13:55:57,448 INFO L69 tionRefinementEngine]: Using refinement strategy FixedRefinementStrategy [2018-07-23 13:55:57,471 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-07-23 13:55:57,700 INFO L134 CoverageAnalysis]: Checked inductivity of 351 backedges. 0 proven. 351 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-07-23 13:55:57,700 INFO L309 seRefinementStrategy]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2018-07-23 13:55:57,700 INFO L324 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [28] total 28 [2018-07-23 13:55:57,700 INFO L142 lantAutomatonBuilder]: Constructing canonical interpolant automaton, with selfloop in false state [2018-07-23 13:55:57,700 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-07-23 13:55:57,701 INFO L185 omatonBuilderFactory]: Interpolants [2368#(or (<= (select main_a main_x) 18) (= main_x main_y)), 2369#(or (<= (select main_a main_x) 19) (= main_x main_y)), 2370#(or (= main_x main_y) (<= (select main_a main_x) 20)), 2371#(or (<= (select main_a main_x) 21) (= main_x main_y)), 2372#(or (= main_x main_y) (<= (select main_a main_x) 22)), 2373#(or (= main_x main_y) (<= (select main_a main_x) 23)), 2374#(or (<= (select main_a main_x) 24) (= main_x main_y)), 2375#(or (= main_x main_y) (<= (select main_a main_x) 25)), 2376#(or (not (= (select main_a main_x) 1000)) (= main_x main_y)), 2348#true, 2349#false, 2350#(or (= 0 (select main_a main_x)) (= main_x main_y)), 2351#(or (<= (select main_a main_x) 1) (= main_x main_y)), 2352#(or (= main_x main_y) (<= (select main_a main_x) 2)), 2353#(or (= main_x main_y) (<= (select main_a main_x) 3)), 2354#(or (<= (select main_a main_x) 4) (= main_x main_y)), 2355#(or (<= (select main_a main_x) 5) (= main_x main_y)), 2356#(or (<= (select main_a main_x) 6) (= main_x main_y)), 2357#(or (<= (select main_a main_x) 7) (= main_x main_y)), 2358#(or (<= (select main_a main_x) 8) (= main_x main_y)), 2359#(or (= main_x main_y) (<= (select main_a main_x) 9)), 2360#(or (= main_x main_y) (<= (select main_a main_x) 10)), 2361#(or (= main_x main_y) (<= (select main_a main_x) 11)), 2362#(or (<= (select main_a main_x) 12) (= main_x main_y)), 2363#(or (= main_x main_y) (<= (select main_a main_x) 13)), 2364#(or (<= (select main_a main_x) 14) (= main_x main_y)), 2365#(or (<= (select main_a main_x) 15) (= main_x main_y)), 2366#(or (<= (select main_a main_x) 16) (= main_x main_y)), 2367#(or (= main_x main_y) (<= (select main_a main_x) 17))] [2018-07-23 13:55:57,701 INFO L134 CoverageAnalysis]: Checked inductivity of 351 backedges. 0 proven. 351 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-07-23 13:55:57,702 INFO L450 AbstractCegarLoop]: Interpolant automaton has 29 states [2018-07-23 13:55:57,702 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 29 interpolants. [2018-07-23 13:55:57,702 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=406, Invalid=406, Unknown=0, NotChecked=0, Total=812 [2018-07-23 13:55:57,703 INFO L87 Difference]: Start difference. First operand 30 states and 30 transitions. Second operand 29 states. [2018-07-23 13:55:57,732 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-07-23 13:55:57,732 INFO L93 Difference]: Finished difference Result 33 states and 33 transitions. [2018-07-23 13:55:57,732 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 29 states. [2018-07-23 13:55:57,732 INFO L78 Accepts]: Start accepts. Automaton has 29 states. Word has length 29 [2018-07-23 13:55:57,733 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-07-23 13:55:57,733 INFO L225 Difference]: With dead ends: 33 [2018-07-23 13:55:57,733 INFO L226 Difference]: Without dead ends: 31 [2018-07-23 13:55:57,734 INFO L575 BasicCegarLoop]: 0 DeclaredPredicates, 28 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 27 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=406, Invalid=406, Unknown=0, NotChecked=0, Total=812 [2018-07-23 13:55:57,734 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 31 states. [2018-07-23 13:55:57,739 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 31 to 31. [2018-07-23 13:55:57,740 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 31 states. [2018-07-23 13:55:57,740 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 31 states to 31 states and 31 transitions. [2018-07-23 13:55:57,740 INFO L78 Accepts]: Start accepts. Automaton has 31 states and 31 transitions. Word has length 29 [2018-07-23 13:55:57,741 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-07-23 13:55:57,741 INFO L471 AbstractCegarLoop]: Abstraction has 31 states and 31 transitions. [2018-07-23 13:55:57,741 INFO L472 AbstractCegarLoop]: Interpolant automaton has 29 states. [2018-07-23 13:55:57,741 INFO L276 IsEmpty]: Start isEmpty. Operand 31 states and 31 transitions. [2018-07-23 13:55:57,741 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 31 [2018-07-23 13:55:57,741 INFO L349 BasicCegarLoop]: Found error trace [2018-07-23 13:55:57,741 INFO L357 BasicCegarLoop]: trace histogram [27, 1, 1, 1] [2018-07-23 13:55:57,742 INFO L414 AbstractCegarLoop]: === Iteration 28 === [mainErr0AssertViolationASSERT]=== [2018-07-23 13:55:57,742 INFO L82 PathProgramCache]: Analyzing trace with hash 1211302342, now seen corresponding path program 27 times [2018-07-23 13:55:57,742 INFO L69 tionRefinementEngine]: Using refinement strategy FixedRefinementStrategy [2018-07-23 13:55:57,764 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-07-23 13:55:57,990 INFO L134 CoverageAnalysis]: Checked inductivity of 378 backedges. 0 proven. 378 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-07-23 13:55:57,991 INFO L309 seRefinementStrategy]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2018-07-23 13:55:57,991 INFO L324 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [29] total 29 [2018-07-23 13:55:57,991 INFO L142 lantAutomatonBuilder]: Constructing canonical interpolant automaton, with selfloop in false state [2018-07-23 13:55:57,991 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-07-23 13:55:57,992 INFO L185 omatonBuilderFactory]: Interpolants [2505#true, 2506#false, 2507#(or (= 0 (select main_a main_x)) (= main_x main_y)), 2508#(or (<= (select main_a main_x) 1) (= main_x main_y)), 2509#(or (= main_x main_y) (<= (select main_a main_x) 2)), 2510#(or (= main_x main_y) (<= (select main_a main_x) 3)), 2511#(or (<= (select main_a main_x) 4) (= main_x main_y)), 2512#(or (<= (select main_a main_x) 5) (= main_x main_y)), 2513#(or (<= (select main_a main_x) 6) (= main_x main_y)), 2514#(or (<= (select main_a main_x) 7) (= main_x main_y)), 2515#(or (<= (select main_a main_x) 8) (= main_x main_y)), 2516#(or (= main_x main_y) (<= (select main_a main_x) 9)), 2517#(or (= main_x main_y) (<= (select main_a main_x) 10)), 2518#(or (= main_x main_y) (<= (select main_a main_x) 11)), 2519#(or (<= (select main_a main_x) 12) (= main_x main_y)), 2520#(or (= main_x main_y) (<= (select main_a main_x) 13)), 2521#(or (<= (select main_a main_x) 14) (= main_x main_y)), 2522#(or (<= (select main_a main_x) 15) (= main_x main_y)), 2523#(or (<= (select main_a main_x) 16) (= main_x main_y)), 2524#(or (= main_x main_y) (<= (select main_a main_x) 17)), 2525#(or (<= (select main_a main_x) 18) (= main_x main_y)), 2526#(or (<= (select main_a main_x) 19) (= main_x main_y)), 2527#(or (= main_x main_y) (<= (select main_a main_x) 20)), 2528#(or (<= (select main_a main_x) 21) (= main_x main_y)), 2529#(or (= main_x main_y) (<= (select main_a main_x) 22)), 2530#(or (= main_x main_y) (<= (select main_a main_x) 23)), 2531#(or (<= (select main_a main_x) 24) (= main_x main_y)), 2532#(or (= main_x main_y) (<= (select main_a main_x) 25)), 2533#(or (<= (select main_a main_x) 26) (= main_x main_y)), 2534#(or (not (= (select main_a main_x) 1000)) (= main_x main_y))] [2018-07-23 13:55:57,992 INFO L134 CoverageAnalysis]: Checked inductivity of 378 backedges. 0 proven. 378 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-07-23 13:55:57,992 INFO L450 AbstractCegarLoop]: Interpolant automaton has 30 states [2018-07-23 13:55:57,993 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 30 interpolants. [2018-07-23 13:55:57,993 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=435, Invalid=435, Unknown=0, NotChecked=0, Total=870 [2018-07-23 13:55:57,994 INFO L87 Difference]: Start difference. First operand 31 states and 31 transitions. Second operand 30 states. [2018-07-23 13:55:58,033 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-07-23 13:55:58,034 INFO L93 Difference]: Finished difference Result 34 states and 34 transitions. [2018-07-23 13:55:58,034 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 30 states. [2018-07-23 13:55:58,034 INFO L78 Accepts]: Start accepts. Automaton has 30 states. Word has length 30 [2018-07-23 13:55:58,034 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-07-23 13:55:58,034 INFO L225 Difference]: With dead ends: 34 [2018-07-23 13:55:58,035 INFO L226 Difference]: Without dead ends: 32 [2018-07-23 13:55:58,035 INFO L575 BasicCegarLoop]: 0 DeclaredPredicates, 29 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 28 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=435, Invalid=435, Unknown=0, NotChecked=0, Total=870 [2018-07-23 13:55:58,036 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 32 states. [2018-07-23 13:55:58,043 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 32 to 32. [2018-07-23 13:55:58,044 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 32 states. [2018-07-23 13:55:58,044 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 32 states to 32 states and 32 transitions. [2018-07-23 13:55:58,046 INFO L78 Accepts]: Start accepts. Automaton has 32 states and 32 transitions. Word has length 30 [2018-07-23 13:55:58,047 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-07-23 13:55:58,047 INFO L471 AbstractCegarLoop]: Abstraction has 32 states and 32 transitions. [2018-07-23 13:55:58,047 INFO L472 AbstractCegarLoop]: Interpolant automaton has 30 states. [2018-07-23 13:55:58,047 INFO L276 IsEmpty]: Start isEmpty. Operand 32 states and 32 transitions. [2018-07-23 13:55:58,047 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 32 [2018-07-23 13:55:58,047 INFO L349 BasicCegarLoop]: Found error trace [2018-07-23 13:55:58,048 INFO L357 BasicCegarLoop]: trace histogram [28, 1, 1, 1] [2018-07-23 13:55:58,048 INFO L414 AbstractCegarLoop]: === Iteration 29 === [mainErr0AssertViolationASSERT]=== [2018-07-23 13:55:58,048 INFO L82 PathProgramCache]: Analyzing trace with hash -1104336928, now seen corresponding path program 28 times [2018-07-23 13:55:58,048 INFO L69 tionRefinementEngine]: Using refinement strategy FixedRefinementStrategy [2018-07-23 13:55:58,073 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-07-23 13:55:58,301 INFO L134 CoverageAnalysis]: Checked inductivity of 406 backedges. 0 proven. 406 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-07-23 13:55:58,301 INFO L309 seRefinementStrategy]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2018-07-23 13:55:58,301 INFO L324 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [30] total 30 [2018-07-23 13:55:58,301 INFO L142 lantAutomatonBuilder]: Constructing canonical interpolant automaton, with selfloop in false state [2018-07-23 13:55:58,301 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-07-23 13:55:58,302 INFO L185 omatonBuilderFactory]: Interpolants [2688#(or (<= (select main_a main_x) 19) (= main_x main_y)), 2689#(or (= main_x main_y) (<= (select main_a main_x) 20)), 2690#(or (<= (select main_a main_x) 21) (= main_x main_y)), 2691#(or (= main_x main_y) (<= (select main_a main_x) 22)), 2692#(or (= main_x main_y) (<= (select main_a main_x) 23)), 2693#(or (<= (select main_a main_x) 24) (= main_x main_y)), 2694#(or (= main_x main_y) (<= (select main_a main_x) 25)), 2695#(or (<= (select main_a main_x) 26) (= main_x main_y)), 2696#(or (<= (select main_a main_x) 27) (= main_x main_y)), 2697#(or (not (= (select main_a main_x) 1000)) (= main_x main_y)), 2667#true, 2668#false, 2669#(or (= 0 (select main_a main_x)) (= main_x main_y)), 2670#(or (<= (select main_a main_x) 1) (= main_x main_y)), 2671#(or (= main_x main_y) (<= (select main_a main_x) 2)), 2672#(or (= main_x main_y) (<= (select main_a main_x) 3)), 2673#(or (<= (select main_a main_x) 4) (= main_x main_y)), 2674#(or (<= (select main_a main_x) 5) (= main_x main_y)), 2675#(or (<= (select main_a main_x) 6) (= main_x main_y)), 2676#(or (<= (select main_a main_x) 7) (= main_x main_y)), 2677#(or (<= (select main_a main_x) 8) (= main_x main_y)), 2678#(or (= main_x main_y) (<= (select main_a main_x) 9)), 2679#(or (= main_x main_y) (<= (select main_a main_x) 10)), 2680#(or (= main_x main_y) (<= (select main_a main_x) 11)), 2681#(or (<= (select main_a main_x) 12) (= main_x main_y)), 2682#(or (= main_x main_y) (<= (select main_a main_x) 13)), 2683#(or (<= (select main_a main_x) 14) (= main_x main_y)), 2684#(or (<= (select main_a main_x) 15) (= main_x main_y)), 2685#(or (<= (select main_a main_x) 16) (= main_x main_y)), 2686#(or (= main_x main_y) (<= (select main_a main_x) 17)), 2687#(or (<= (select main_a main_x) 18) (= main_x main_y))] [2018-07-23 13:55:58,302 INFO L134 CoverageAnalysis]: Checked inductivity of 406 backedges. 0 proven. 406 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-07-23 13:55:58,303 INFO L450 AbstractCegarLoop]: Interpolant automaton has 31 states [2018-07-23 13:55:58,303 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 31 interpolants. [2018-07-23 13:55:58,303 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=465, Invalid=465, Unknown=0, NotChecked=0, Total=930 [2018-07-23 13:55:58,304 INFO L87 Difference]: Start difference. First operand 32 states and 32 transitions. Second operand 31 states. [2018-07-23 13:55:58,331 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-07-23 13:55:58,331 INFO L93 Difference]: Finished difference Result 35 states and 35 transitions. [2018-07-23 13:55:58,331 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 31 states. [2018-07-23 13:55:58,331 INFO L78 Accepts]: Start accepts. Automaton has 31 states. Word has length 31 [2018-07-23 13:55:58,331 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-07-23 13:55:58,332 INFO L225 Difference]: With dead ends: 35 [2018-07-23 13:55:58,332 INFO L226 Difference]: Without dead ends: 33 [2018-07-23 13:55:58,333 INFO L575 BasicCegarLoop]: 0 DeclaredPredicates, 30 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 29 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=465, Invalid=465, Unknown=0, NotChecked=0, Total=930 [2018-07-23 13:55:58,333 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 33 states. [2018-07-23 13:55:58,342 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 33 to 33. [2018-07-23 13:55:58,342 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 33 states. [2018-07-23 13:55:58,343 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 33 states to 33 states and 33 transitions. [2018-07-23 13:55:58,343 INFO L78 Accepts]: Start accepts. Automaton has 33 states and 33 transitions. Word has length 31 [2018-07-23 13:55:58,343 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-07-23 13:55:58,343 INFO L471 AbstractCegarLoop]: Abstraction has 33 states and 33 transitions. [2018-07-23 13:55:58,343 INFO L472 AbstractCegarLoop]: Interpolant automaton has 31 states. [2018-07-23 13:55:58,343 INFO L276 IsEmpty]: Start isEmpty. Operand 33 states and 33 transitions. [2018-07-23 13:55:58,344 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 33 [2018-07-23 13:55:58,344 INFO L349 BasicCegarLoop]: Found error trace [2018-07-23 13:55:58,344 INFO L357 BasicCegarLoop]: trace histogram [29, 1, 1, 1] [2018-07-23 13:55:58,344 INFO L414 AbstractCegarLoop]: === Iteration 30 === [mainErr0AssertViolationASSERT]=== [2018-07-23 13:55:58,344 INFO L82 PathProgramCache]: Analyzing trace with hash 125289734, now seen corresponding path program 29 times [2018-07-23 13:55:58,344 INFO L69 tionRefinementEngine]: Using refinement strategy FixedRefinementStrategy [2018-07-23 13:55:58,373 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-07-23 13:55:58,612 INFO L134 CoverageAnalysis]: Checked inductivity of 435 backedges. 0 proven. 435 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-07-23 13:55:58,612 INFO L309 seRefinementStrategy]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2018-07-23 13:55:58,612 INFO L324 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [31] total 31 [2018-07-23 13:55:58,613 INFO L142 lantAutomatonBuilder]: Constructing canonical interpolant automaton, with selfloop in false state [2018-07-23 13:55:58,613 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-07-23 13:55:58,613 INFO L185 omatonBuilderFactory]: Interpolants [2834#true, 2835#false, 2836#(or (= 0 (select main_a main_x)) (= main_x main_y)), 2837#(or (<= (select main_a main_x) 1) (= main_x main_y)), 2838#(or (= main_x main_y) (<= (select main_a main_x) 2)), 2839#(or (= main_x main_y) (<= (select main_a main_x) 3)), 2840#(or (<= (select main_a main_x) 4) (= main_x main_y)), 2841#(or (<= (select main_a main_x) 5) (= main_x main_y)), 2842#(or (<= (select main_a main_x) 6) (= main_x main_y)), 2843#(or (<= (select main_a main_x) 7) (= main_x main_y)), 2844#(or (<= (select main_a main_x) 8) (= main_x main_y)), 2845#(or (= main_x main_y) (<= (select main_a main_x) 9)), 2846#(or (= main_x main_y) (<= (select main_a main_x) 10)), 2847#(or (= main_x main_y) (<= (select main_a main_x) 11)), 2848#(or (<= (select main_a main_x) 12) (= main_x main_y)), 2849#(or (= main_x main_y) (<= (select main_a main_x) 13)), 2850#(or (<= (select main_a main_x) 14) (= main_x main_y)), 2851#(or (<= (select main_a main_x) 15) (= main_x main_y)), 2852#(or (<= (select main_a main_x) 16) (= main_x main_y)), 2853#(or (= main_x main_y) (<= (select main_a main_x) 17)), 2854#(or (<= (select main_a main_x) 18) (= main_x main_y)), 2855#(or (<= (select main_a main_x) 19) (= main_x main_y)), 2856#(or (= main_x main_y) (<= (select main_a main_x) 20)), 2857#(or (<= (select main_a main_x) 21) (= main_x main_y)), 2858#(or (= main_x main_y) (<= (select main_a main_x) 22)), 2859#(or (= main_x main_y) (<= (select main_a main_x) 23)), 2860#(or (<= (select main_a main_x) 24) (= main_x main_y)), 2861#(or (= main_x main_y) (<= (select main_a main_x) 25)), 2862#(or (<= (select main_a main_x) 26) (= main_x main_y)), 2863#(or (<= (select main_a main_x) 27) (= main_x main_y)), 2864#(or (<= (select main_a main_x) 28) (= main_x main_y)), 2865#(or (not (= (select main_a main_x) 1000)) (= main_x main_y))] [2018-07-23 13:55:58,614 INFO L134 CoverageAnalysis]: Checked inductivity of 435 backedges. 0 proven. 435 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-07-23 13:55:58,614 INFO L450 AbstractCegarLoop]: Interpolant automaton has 32 states [2018-07-23 13:55:58,614 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 32 interpolants. [2018-07-23 13:55:58,615 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=496, Invalid=496, Unknown=0, NotChecked=0, Total=992 [2018-07-23 13:55:58,615 INFO L87 Difference]: Start difference. First operand 33 states and 33 transitions. Second operand 32 states. [2018-07-23 13:55:58,652 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-07-23 13:55:58,653 INFO L93 Difference]: Finished difference Result 36 states and 36 transitions. [2018-07-23 13:55:58,653 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 32 states. [2018-07-23 13:55:58,653 INFO L78 Accepts]: Start accepts. Automaton has 32 states. Word has length 32 [2018-07-23 13:55:58,653 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-07-23 13:55:58,653 INFO L225 Difference]: With dead ends: 36 [2018-07-23 13:55:58,654 INFO L226 Difference]: Without dead ends: 34 [2018-07-23 13:55:58,655 INFO L575 BasicCegarLoop]: 0 DeclaredPredicates, 31 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 30 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=496, Invalid=496, Unknown=0, NotChecked=0, Total=992 [2018-07-23 13:55:58,655 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 34 states. [2018-07-23 13:55:58,661 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 34 to 34. [2018-07-23 13:55:58,661 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 34 states. [2018-07-23 13:55:58,661 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 34 states to 34 states and 34 transitions. [2018-07-23 13:55:58,662 INFO L78 Accepts]: Start accepts. Automaton has 34 states and 34 transitions. Word has length 32 [2018-07-23 13:55:58,662 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-07-23 13:55:58,662 INFO L471 AbstractCegarLoop]: Abstraction has 34 states and 34 transitions. [2018-07-23 13:55:58,662 INFO L472 AbstractCegarLoop]: Interpolant automaton has 32 states. [2018-07-23 13:55:58,662 INFO L276 IsEmpty]: Start isEmpty. Operand 34 states and 34 transitions. [2018-07-23 13:55:58,662 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 34 [2018-07-23 13:55:58,663 INFO L349 BasicCegarLoop]: Found error trace [2018-07-23 13:55:58,663 INFO L357 BasicCegarLoop]: trace histogram [30, 1, 1, 1] [2018-07-23 13:55:58,663 INFO L414 AbstractCegarLoop]: === Iteration 31 === [mainErr0AssertViolationASSERT]=== [2018-07-23 13:55:58,663 INFO L82 PathProgramCache]: Analyzing trace with hash -410989408, now seen corresponding path program 30 times [2018-07-23 13:55:58,663 INFO L69 tionRefinementEngine]: Using refinement strategy FixedRefinementStrategy [2018-07-23 13:55:58,688 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-07-23 13:55:58,936 INFO L134 CoverageAnalysis]: Checked inductivity of 465 backedges. 0 proven. 465 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-07-23 13:55:58,936 INFO L309 seRefinementStrategy]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2018-07-23 13:55:58,936 INFO L324 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [32] total 32 [2018-07-23 13:55:58,937 INFO L142 lantAutomatonBuilder]: Constructing canonical interpolant automaton, with selfloop in false state [2018-07-23 13:55:58,937 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-07-23 13:55:58,937 INFO L185 omatonBuilderFactory]: Interpolants [3008#(or (= 0 (select main_a main_x)) (= main_x main_y)), 3009#(or (<= (select main_a main_x) 1) (= main_x main_y)), 3010#(or (= main_x main_y) (<= (select main_a main_x) 2)), 3011#(or (= main_x main_y) (<= (select main_a main_x) 3)), 3012#(or (<= (select main_a main_x) 4) (= main_x main_y)), 3013#(or (<= (select main_a main_x) 5) (= main_x main_y)), 3014#(or (<= (select main_a main_x) 6) (= main_x main_y)), 3015#(or (<= (select main_a main_x) 7) (= main_x main_y)), 3016#(or (<= (select main_a main_x) 8) (= main_x main_y)), 3017#(or (= main_x main_y) (<= (select main_a main_x) 9)), 3018#(or (= main_x main_y) (<= (select main_a main_x) 10)), 3019#(or (= main_x main_y) (<= (select main_a main_x) 11)), 3020#(or (<= (select main_a main_x) 12) (= main_x main_y)), 3021#(or (= main_x main_y) (<= (select main_a main_x) 13)), 3022#(or (<= (select main_a main_x) 14) (= main_x main_y)), 3023#(or (<= (select main_a main_x) 15) (= main_x main_y)), 3024#(or (<= (select main_a main_x) 16) (= main_x main_y)), 3025#(or (= main_x main_y) (<= (select main_a main_x) 17)), 3026#(or (<= (select main_a main_x) 18) (= main_x main_y)), 3027#(or (<= (select main_a main_x) 19) (= main_x main_y)), 3028#(or (= main_x main_y) (<= (select main_a main_x) 20)), 3029#(or (<= (select main_a main_x) 21) (= main_x main_y)), 3030#(or (= main_x main_y) (<= (select main_a main_x) 22)), 3031#(or (= main_x main_y) (<= (select main_a main_x) 23)), 3032#(or (<= (select main_a main_x) 24) (= main_x main_y)), 3033#(or (= main_x main_y) (<= (select main_a main_x) 25)), 3034#(or (<= (select main_a main_x) 26) (= main_x main_y)), 3035#(or (<= (select main_a main_x) 27) (= main_x main_y)), 3036#(or (<= (select main_a main_x) 28) (= main_x main_y)), 3037#(or (<= (select main_a main_x) 29) (= main_x main_y)), 3038#(or (not (= (select main_a main_x) 1000)) (= main_x main_y)), 3006#true, 3007#false] [2018-07-23 13:55:58,938 INFO L134 CoverageAnalysis]: Checked inductivity of 465 backedges. 0 proven. 465 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-07-23 13:55:58,938 INFO L450 AbstractCegarLoop]: Interpolant automaton has 33 states [2018-07-23 13:55:58,939 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 33 interpolants. [2018-07-23 13:55:58,939 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=528, Invalid=528, Unknown=0, NotChecked=0, Total=1056 [2018-07-23 13:55:58,940 INFO L87 Difference]: Start difference. First operand 34 states and 34 transitions. Second operand 33 states. [2018-07-23 13:55:58,975 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-07-23 13:55:58,976 INFO L93 Difference]: Finished difference Result 37 states and 37 transitions. [2018-07-23 13:55:58,976 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 33 states. [2018-07-23 13:55:58,976 INFO L78 Accepts]: Start accepts. Automaton has 33 states. Word has length 33 [2018-07-23 13:55:58,976 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-07-23 13:55:58,976 INFO L225 Difference]: With dead ends: 37 [2018-07-23 13:55:58,977 INFO L226 Difference]: Without dead ends: 35 [2018-07-23 13:55:58,978 INFO L575 BasicCegarLoop]: 0 DeclaredPredicates, 32 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 31 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=528, Invalid=528, Unknown=0, NotChecked=0, Total=1056 [2018-07-23 13:55:58,978 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 35 states. [2018-07-23 13:55:58,985 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 35 to 35. [2018-07-23 13:55:58,986 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 35 states. [2018-07-23 13:55:58,986 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 35 states to 35 states and 35 transitions. [2018-07-23 13:55:58,986 INFO L78 Accepts]: Start accepts. Automaton has 35 states and 35 transitions. Word has length 33 [2018-07-23 13:55:58,986 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-07-23 13:55:58,987 INFO L471 AbstractCegarLoop]: Abstraction has 35 states and 35 transitions. [2018-07-23 13:55:58,987 INFO L472 AbstractCegarLoop]: Interpolant automaton has 33 states. [2018-07-23 13:55:58,987 INFO L276 IsEmpty]: Start isEmpty. Operand 35 states and 35 transitions. [2018-07-23 13:55:58,987 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 35 [2018-07-23 13:55:58,987 INFO L349 BasicCegarLoop]: Found error trace [2018-07-23 13:55:58,987 INFO L357 BasicCegarLoop]: trace histogram [31, 1, 1, 1] [2018-07-23 13:55:58,988 INFO L414 AbstractCegarLoop]: === Iteration 32 === [mainErr0AssertViolationASSERT]=== [2018-07-23 13:55:58,988 INFO L82 PathProgramCache]: Analyzing trace with hash 144226374, now seen corresponding path program 31 times [2018-07-23 13:55:58,988 INFO L69 tionRefinementEngine]: Using refinement strategy FixedRefinementStrategy [2018-07-23 13:55:59,019 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-07-23 13:55:59,294 INFO L134 CoverageAnalysis]: Checked inductivity of 496 backedges. 0 proven. 496 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-07-23 13:55:59,294 INFO L309 seRefinementStrategy]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2018-07-23 13:55:59,295 INFO L324 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [33] total 33 [2018-07-23 13:55:59,295 INFO L142 lantAutomatonBuilder]: Constructing canonical interpolant automaton, with selfloop in false state [2018-07-23 13:55:59,295 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-07-23 13:55:59,296 INFO L185 omatonBuilderFactory]: Interpolants [3200#(or (<= (select main_a main_x) 15) (= main_x main_y)), 3201#(or (<= (select main_a main_x) 16) (= main_x main_y)), 3202#(or (= main_x main_y) (<= (select main_a main_x) 17)), 3203#(or (<= (select main_a main_x) 18) (= main_x main_y)), 3204#(or (<= (select main_a main_x) 19) (= main_x main_y)), 3205#(or (= main_x main_y) (<= (select main_a main_x) 20)), 3206#(or (<= (select main_a main_x) 21) (= main_x main_y)), 3207#(or (= main_x main_y) (<= (select main_a main_x) 22)), 3208#(or (= main_x main_y) (<= (select main_a main_x) 23)), 3209#(or (<= (select main_a main_x) 24) (= main_x main_y)), 3210#(or (= main_x main_y) (<= (select main_a main_x) 25)), 3211#(or (<= (select main_a main_x) 26) (= main_x main_y)), 3212#(or (<= (select main_a main_x) 27) (= main_x main_y)), 3213#(or (<= (select main_a main_x) 28) (= main_x main_y)), 3214#(or (<= (select main_a main_x) 29) (= main_x main_y)), 3215#(or (= main_x main_y) (<= (select main_a main_x) 30)), 3216#(or (not (= (select main_a main_x) 1000)) (= main_x main_y)), 3183#true, 3184#false, 3185#(or (= 0 (select main_a main_x)) (= main_x main_y)), 3186#(or (<= (select main_a main_x) 1) (= main_x main_y)), 3187#(or (= main_x main_y) (<= (select main_a main_x) 2)), 3188#(or (= main_x main_y) (<= (select main_a main_x) 3)), 3189#(or (<= (select main_a main_x) 4) (= main_x main_y)), 3190#(or (<= (select main_a main_x) 5) (= main_x main_y)), 3191#(or (<= (select main_a main_x) 6) (= main_x main_y)), 3192#(or (<= (select main_a main_x) 7) (= main_x main_y)), 3193#(or (<= (select main_a main_x) 8) (= main_x main_y)), 3194#(or (= main_x main_y) (<= (select main_a main_x) 9)), 3195#(or (= main_x main_y) (<= (select main_a main_x) 10)), 3196#(or (= main_x main_y) (<= (select main_a main_x) 11)), 3197#(or (<= (select main_a main_x) 12) (= main_x main_y)), 3198#(or (= main_x main_y) (<= (select main_a main_x) 13)), 3199#(or (<= (select main_a main_x) 14) (= main_x main_y))] [2018-07-23 13:55:59,296 INFO L134 CoverageAnalysis]: Checked inductivity of 496 backedges. 0 proven. 496 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-07-23 13:55:59,296 INFO L450 AbstractCegarLoop]: Interpolant automaton has 34 states [2018-07-23 13:55:59,297 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 34 interpolants. [2018-07-23 13:55:59,297 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=561, Invalid=561, Unknown=0, NotChecked=0, Total=1122 [2018-07-23 13:55:59,298 INFO L87 Difference]: Start difference. First operand 35 states and 35 transitions. Second operand 34 states. [2018-07-23 13:55:59,328 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-07-23 13:55:59,328 INFO L93 Difference]: Finished difference Result 38 states and 38 transitions. [2018-07-23 13:55:59,328 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 34 states. [2018-07-23 13:55:59,329 INFO L78 Accepts]: Start accepts. Automaton has 34 states. Word has length 34 [2018-07-23 13:55:59,329 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-07-23 13:55:59,329 INFO L225 Difference]: With dead ends: 38 [2018-07-23 13:55:59,329 INFO L226 Difference]: Without dead ends: 36 [2018-07-23 13:55:59,330 INFO L575 BasicCegarLoop]: 0 DeclaredPredicates, 33 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 32 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=561, Invalid=561, Unknown=0, NotChecked=0, Total=1122 [2018-07-23 13:55:59,330 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 36 states. [2018-07-23 13:55:59,336 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 36 to 36. [2018-07-23 13:55:59,337 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 36 states. [2018-07-23 13:55:59,337 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 36 states to 36 states and 36 transitions. [2018-07-23 13:55:59,337 INFO L78 Accepts]: Start accepts. Automaton has 36 states and 36 transitions. Word has length 34 [2018-07-23 13:55:59,337 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-07-23 13:55:59,358 INFO L471 AbstractCegarLoop]: Abstraction has 36 states and 36 transitions. [2018-07-23 13:55:59,358 INFO L472 AbstractCegarLoop]: Interpolant automaton has 34 states. [2018-07-23 13:55:59,358 INFO L276 IsEmpty]: Start isEmpty. Operand 36 states and 36 transitions. [2018-07-23 13:55:59,358 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 36 [2018-07-23 13:55:59,358 INFO L349 BasicCegarLoop]: Found error trace [2018-07-23 13:55:59,358 INFO L357 BasicCegarLoop]: trace histogram [32, 1, 1, 1] [2018-07-23 13:55:59,359 INFO L414 AbstractCegarLoop]: === Iteration 33 === [mainErr0AssertViolationASSERT]=== [2018-07-23 13:55:59,359 INFO L82 PathProgramCache]: Analyzing trace with hash 176046432, now seen corresponding path program 32 times [2018-07-23 13:55:59,359 INFO L69 tionRefinementEngine]: Using refinement strategy FixedRefinementStrategy [2018-07-23 13:55:59,398 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-07-23 13:55:59,644 INFO L134 CoverageAnalysis]: Checked inductivity of 528 backedges. 0 proven. 528 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-07-23 13:55:59,644 INFO L309 seRefinementStrategy]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2018-07-23 13:55:59,644 INFO L324 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [34] total 34 [2018-07-23 13:55:59,645 INFO L142 lantAutomatonBuilder]: Constructing canonical interpolant automaton, with selfloop in false state [2018-07-23 13:55:59,645 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 13:55:59,645 INFO L185 omatonBuilderFactory]: Interpolants [3392#(or (= main_x main_y) (<= (select main_a main_x) 25)), 3393#(or (<= (select main_a main_x) 26) (= main_x main_y)), 3394#(or (<= (select main_a main_x) 27) (= main_x main_y)), 3395#(or (<= (select main_a main_x) 28) (= main_x main_y)), 3396#(or (<= (select main_a main_x) 29) (= main_x main_y)), 3397#(or (= main_x main_y) (<= (select main_a main_x) 30)), 3398#(or (<= (select main_a main_x) 31) (= main_x main_y)), 3399#(or (not (= (select main_a main_x) 1000)) (= main_x main_y)), 3365#true, 3366#false, 3367#(or (= 0 (select main_a main_x)) (= main_x main_y)), 3368#(or (<= (select main_a main_x) 1) (= main_x main_y)), 3369#(or (= main_x main_y) (<= (select main_a main_x) 2)), 3370#(or (= main_x main_y) (<= (select main_a main_x) 3)), 3371#(or (<= (select main_a main_x) 4) (= main_x main_y)), 3372#(or (<= (select main_a main_x) 5) (= main_x main_y)), 3373#(or (<= (select main_a main_x) 6) (= main_x main_y)), 3374#(or (<= (select main_a main_x) 7) (= main_x main_y)), 3375#(or (<= (select main_a main_x) 8) (= main_x main_y)), 3376#(or (= main_x main_y) (<= (select main_a main_x) 9)), 3377#(or (= main_x main_y) (<= (select main_a main_x) 10)), 3378#(or (= main_x main_y) (<= (select main_a main_x) 11)), 3379#(or (<= (select main_a main_x) 12) (= main_x main_y)), 3380#(or (= main_x main_y) (<= (select main_a main_x) 13)), 3381#(or (<= (select main_a main_x) 14) (= main_x main_y)), 3382#(or (<= (select main_a main_x) 15) (= main_x main_y)), 3383#(or (<= (select main_a main_x) 16) (= main_x main_y)), 3384#(or (= main_x main_y) (<= (select main_a main_x) 17)), 3385#(or (<= (select main_a main_x) 18) (= main_x main_y)), 3386#(or (<= (select main_a main_x) 19) (= main_x main_y)), 3387#(or (= main_x main_y) (<= (select main_a main_x) 20)), 3388#(or (<= (select main_a main_x) 21) (= main_x main_y)), 3389#(or (= main_x main_y) (<= (select main_a main_x) 22)), 3390#(or (= main_x main_y) (<= (select main_a main_x) 23)), 3391#(or (<= (select main_a main_x) 24) (= main_x main_y))] [2018-07-23 13:55:59,646 INFO L134 CoverageAnalysis]: Checked inductivity of 528 backedges. 0 proven. 528 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-07-23 13:55:59,646 INFO L450 AbstractCegarLoop]: Interpolant automaton has 35 states [2018-07-23 13:55:59,649 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 35 interpolants. [2018-07-23 13:55:59,650 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=595, Invalid=595, Unknown=0, NotChecked=0, Total=1190 [2018-07-23 13:55:59,650 INFO L87 Difference]: Start difference. First operand 36 states and 36 transitions. Second operand 35 states. [2018-07-23 13:55:59,684 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-07-23 13:55:59,684 INFO L93 Difference]: Finished difference Result 39 states and 39 transitions. [2018-07-23 13:55:59,684 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 35 states. [2018-07-23 13:55:59,685 INFO L78 Accepts]: Start accepts. Automaton has 35 states. Word has length 35 [2018-07-23 13:55:59,685 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-07-23 13:55:59,685 INFO L225 Difference]: With dead ends: 39 [2018-07-23 13:55:59,685 INFO L226 Difference]: Without dead ends: 37 [2018-07-23 13:55:59,686 INFO L575 BasicCegarLoop]: 0 DeclaredPredicates, 34 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 33 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=595, Invalid=595, Unknown=0, NotChecked=0, Total=1190 [2018-07-23 13:55:59,687 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 37 states. [2018-07-23 13:55:59,694 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 37 to 37. [2018-07-23 13:55:59,694 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 37 states. [2018-07-23 13:55:59,694 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 37 states to 37 states and 37 transitions. [2018-07-23 13:55:59,695 INFO L78 Accepts]: Start accepts. Automaton has 37 states and 37 transitions. Word has length 35 [2018-07-23 13:55:59,695 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-07-23 13:55:59,695 INFO L471 AbstractCegarLoop]: Abstraction has 37 states and 37 transitions. [2018-07-23 13:55:59,695 INFO L472 AbstractCegarLoop]: Interpolant automaton has 35 states. [2018-07-23 13:55:59,695 INFO L276 IsEmpty]: Start isEmpty. Operand 37 states and 37 transitions. [2018-07-23 13:55:59,695 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 37 [2018-07-23 13:55:59,695 INFO L349 BasicCegarLoop]: Found error trace [2018-07-23 13:55:59,696 INFO L357 BasicCegarLoop]: trace histogram [33, 1, 1, 1] [2018-07-23 13:55:59,696 INFO L414 AbstractCegarLoop]: === Iteration 34 === [mainErr0AssertViolationASSERT]=== [2018-07-23 13:55:59,696 INFO L82 PathProgramCache]: Analyzing trace with hash 1162468230, now seen corresponding path program 33 times [2018-07-23 13:55:59,696 INFO L69 tionRefinementEngine]: Using refinement strategy FixedRefinementStrategy [2018-07-23 13:55:59,721 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-07-23 13:55:59,976 INFO L134 CoverageAnalysis]: Checked inductivity of 561 backedges. 0 proven. 561 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-07-23 13:55:59,976 INFO L309 seRefinementStrategy]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2018-07-23 13:55:59,976 INFO L324 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [35] total 35 [2018-07-23 13:55:59,976 INFO L142 lantAutomatonBuilder]: Constructing canonical interpolant automaton, with selfloop in false state [2018-07-23 13:55:59,977 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-07-23 13:55:59,977 INFO L185 omatonBuilderFactory]: Interpolants [3584#(or (= main_x main_y) (<= (select main_a main_x) 30)), 3585#(or (<= (select main_a main_x) 31) (= main_x main_y)), 3586#(or (<= (select main_a main_x) 32) (= main_x main_y)), 3587#(or (not (= (select main_a main_x) 1000)) (= main_x main_y)), 3552#true, 3553#false, 3554#(or (= 0 (select main_a main_x)) (= main_x main_y)), 3555#(or (<= (select main_a main_x) 1) (= main_x main_y)), 3556#(or (= main_x main_y) (<= (select main_a main_x) 2)), 3557#(or (= main_x main_y) (<= (select main_a main_x) 3)), 3558#(or (<= (select main_a main_x) 4) (= main_x main_y)), 3559#(or (<= (select main_a main_x) 5) (= main_x main_y)), 3560#(or (<= (select main_a main_x) 6) (= main_x main_y)), 3561#(or (<= (select main_a main_x) 7) (= main_x main_y)), 3562#(or (<= (select main_a main_x) 8) (= main_x main_y)), 3563#(or (= main_x main_y) (<= (select main_a main_x) 9)), 3564#(or (= main_x main_y) (<= (select main_a main_x) 10)), 3565#(or (= main_x main_y) (<= (select main_a main_x) 11)), 3566#(or (<= (select main_a main_x) 12) (= main_x main_y)), 3567#(or (= main_x main_y) (<= (select main_a main_x) 13)), 3568#(or (<= (select main_a main_x) 14) (= main_x main_y)), 3569#(or (<= (select main_a main_x) 15) (= main_x main_y)), 3570#(or (<= (select main_a main_x) 16) (= main_x main_y)), 3571#(or (= main_x main_y) (<= (select main_a main_x) 17)), 3572#(or (<= (select main_a main_x) 18) (= main_x main_y)), 3573#(or (<= (select main_a main_x) 19) (= main_x main_y)), 3574#(or (= main_x main_y) (<= (select main_a main_x) 20)), 3575#(or (<= (select main_a main_x) 21) (= main_x main_y)), 3576#(or (= main_x main_y) (<= (select main_a main_x) 22)), 3577#(or (= main_x main_y) (<= (select main_a main_x) 23)), 3578#(or (<= (select main_a main_x) 24) (= main_x main_y)), 3579#(or (= main_x main_y) (<= (select main_a main_x) 25)), 3580#(or (<= (select main_a main_x) 26) (= main_x main_y)), 3581#(or (<= (select main_a main_x) 27) (= main_x main_y)), 3582#(or (<= (select main_a main_x) 28) (= main_x main_y)), 3583#(or (<= (select main_a main_x) 29) (= main_x main_y))] [2018-07-23 13:55:59,978 INFO L134 CoverageAnalysis]: Checked inductivity of 561 backedges. 0 proven. 561 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-07-23 13:55:59,978 INFO L450 AbstractCegarLoop]: Interpolant automaton has 36 states [2018-07-23 13:55:59,978 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 36 interpolants. [2018-07-23 13:55:59,979 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=630, Invalid=630, Unknown=0, NotChecked=0, Total=1260 [2018-07-23 13:55:59,979 INFO L87 Difference]: Start difference. First operand 37 states and 37 transitions. Second operand 36 states. [2018-07-23 13:56:00,007 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-07-23 13:56:00,007 INFO L93 Difference]: Finished difference Result 40 states and 40 transitions. [2018-07-23 13:56:00,008 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 36 states. [2018-07-23 13:56:00,008 INFO L78 Accepts]: Start accepts. Automaton has 36 states. Word has length 36 [2018-07-23 13:56:00,008 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-07-23 13:56:00,008 INFO L225 Difference]: With dead ends: 40 [2018-07-23 13:56:00,008 INFO L226 Difference]: Without dead ends: 38 [2018-07-23 13:56:00,009 INFO L575 BasicCegarLoop]: 0 DeclaredPredicates, 35 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 34 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=630, Invalid=630, Unknown=0, NotChecked=0, Total=1260 [2018-07-23 13:56:00,010 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 38 states. [2018-07-23 13:56:00,014 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 38 to 38. [2018-07-23 13:56:00,015 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 38 states. [2018-07-23 13:56:00,015 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 38 states to 38 states and 38 transitions. [2018-07-23 13:56:00,015 INFO L78 Accepts]: Start accepts. Automaton has 38 states and 38 transitions. Word has length 36 [2018-07-23 13:56:00,015 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-07-23 13:56:00,016 INFO L471 AbstractCegarLoop]: Abstraction has 38 states and 38 transitions. [2018-07-23 13:56:00,016 INFO L472 AbstractCegarLoop]: Interpolant automaton has 36 states. [2018-07-23 13:56:00,016 INFO L276 IsEmpty]: Start isEmpty. Operand 38 states and 38 transitions. [2018-07-23 13:56:00,016 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 38 [2018-07-23 13:56:00,016 INFO L349 BasicCegarLoop]: Found error trace [2018-07-23 13:56:00,016 INFO L357 BasicCegarLoop]: trace histogram [34, 1, 1, 1] [2018-07-23 13:56:00,017 INFO L414 AbstractCegarLoop]: === Iteration 35 === [mainErr0AssertViolationASSERT]=== [2018-07-23 13:56:00,017 INFO L82 PathProgramCache]: Analyzing trace with hash 1676772896, now seen corresponding path program 34 times [2018-07-23 13:56:00,017 INFO L69 tionRefinementEngine]: Using refinement strategy FixedRefinementStrategy [2018-07-23 13:56:00,040 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-07-23 13:56:00,300 INFO L134 CoverageAnalysis]: Checked inductivity of 595 backedges. 0 proven. 595 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-07-23 13:56:00,300 INFO L309 seRefinementStrategy]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2018-07-23 13:56:00,301 INFO L324 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [36] total 36 [2018-07-23 13:56:00,301 INFO L142 lantAutomatonBuilder]: Constructing canonical interpolant automaton, with selfloop in false state [2018-07-23 13:56:00,301 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-07-23 13:56:00,301 INFO L185 omatonBuilderFactory]: Interpolants [3776#(or (= main_x main_y) (<= (select main_a main_x) 30)), 3777#(or (<= (select main_a main_x) 31) (= main_x main_y)), 3778#(or (<= (select main_a main_x) 32) (= main_x main_y)), 3779#(or (<= (select main_a main_x) 33) (= main_x main_y)), 3780#(or (not (= (select main_a main_x) 1000)) (= main_x main_y)), 3744#true, 3745#false, 3746#(or (= 0 (select main_a main_x)) (= main_x main_y)), 3747#(or (<= (select main_a main_x) 1) (= main_x main_y)), 3748#(or (= main_x main_y) (<= (select main_a main_x) 2)), 3749#(or (= main_x main_y) (<= (select main_a main_x) 3)), 3750#(or (<= (select main_a main_x) 4) (= main_x main_y)), 3751#(or (<= (select main_a main_x) 5) (= main_x main_y)), 3752#(or (<= (select main_a main_x) 6) (= main_x main_y)), 3753#(or (<= (select main_a main_x) 7) (= main_x main_y)), 3754#(or (<= (select main_a main_x) 8) (= main_x main_y)), 3755#(or (= main_x main_y) (<= (select main_a main_x) 9)), 3756#(or (= main_x main_y) (<= (select main_a main_x) 10)), 3757#(or (= main_x main_y) (<= (select main_a main_x) 11)), 3758#(or (<= (select main_a main_x) 12) (= main_x main_y)), 3759#(or (= main_x main_y) (<= (select main_a main_x) 13)), 3760#(or (<= (select main_a main_x) 14) (= main_x main_y)), 3761#(or (<= (select main_a main_x) 15) (= main_x main_y)), 3762#(or (<= (select main_a main_x) 16) (= main_x main_y)), 3763#(or (= main_x main_y) (<= (select main_a main_x) 17)), 3764#(or (<= (select main_a main_x) 18) (= main_x main_y)), 3765#(or (<= (select main_a main_x) 19) (= main_x main_y)), 3766#(or (= main_x main_y) (<= (select main_a main_x) 20)), 3767#(or (<= (select main_a main_x) 21) (= main_x main_y)), 3768#(or (= main_x main_y) (<= (select main_a main_x) 22)), 3769#(or (= main_x main_y) (<= (select main_a main_x) 23)), 3770#(or (<= (select main_a main_x) 24) (= main_x main_y)), 3771#(or (= main_x main_y) (<= (select main_a main_x) 25)), 3772#(or (<= (select main_a main_x) 26) (= main_x main_y)), 3773#(or (<= (select main_a main_x) 27) (= main_x main_y)), 3774#(or (<= (select main_a main_x) 28) (= main_x main_y)), 3775#(or (<= (select main_a main_x) 29) (= main_x main_y))] [2018-07-23 13:56:00,302 INFO L134 CoverageAnalysis]: Checked inductivity of 595 backedges. 0 proven. 595 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-07-23 13:56:00,303 INFO L450 AbstractCegarLoop]: Interpolant automaton has 37 states [2018-07-23 13:56:00,303 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 37 interpolants. [2018-07-23 13:56:00,304 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=666, Invalid=666, Unknown=0, NotChecked=0, Total=1332 [2018-07-23 13:56:00,304 INFO L87 Difference]: Start difference. First operand 38 states and 38 transitions. Second operand 37 states. [2018-07-23 13:56:00,329 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-07-23 13:56:00,330 INFO L93 Difference]: Finished difference Result 41 states and 41 transitions. [2018-07-23 13:56:00,330 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 37 states. [2018-07-23 13:56:00,330 INFO L78 Accepts]: Start accepts. Automaton has 37 states. Word has length 37 [2018-07-23 13:56:00,330 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-07-23 13:56:00,331 INFO L225 Difference]: With dead ends: 41 [2018-07-23 13:56:00,331 INFO L226 Difference]: Without dead ends: 39 [2018-07-23 13:56:00,332 INFO L575 BasicCegarLoop]: 0 DeclaredPredicates, 36 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 35 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=666, Invalid=666, Unknown=0, NotChecked=0, Total=1332 [2018-07-23 13:56:00,332 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 39 states. [2018-07-23 13:56:00,342 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 39 to 39. [2018-07-23 13:56:00,343 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 39 states. [2018-07-23 13:56:00,343 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 39 states to 39 states and 39 transitions. [2018-07-23 13:56:00,345 INFO L78 Accepts]: Start accepts. Automaton has 39 states and 39 transitions. Word has length 37 [2018-07-23 13:56:00,346 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-07-23 13:56:00,346 INFO L471 AbstractCegarLoop]: Abstraction has 39 states and 39 transitions. [2018-07-23 13:56:00,346 INFO L472 AbstractCegarLoop]: Interpolant automaton has 37 states. [2018-07-23 13:56:00,346 INFO L276 IsEmpty]: Start isEmpty. Operand 39 states and 39 transitions. [2018-07-23 13:56:00,346 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 39 [2018-07-23 13:56:00,346 INFO L349 BasicCegarLoop]: Found error trace [2018-07-23 13:56:00,347 INFO L357 BasicCegarLoop]: trace histogram [35, 1, 1, 1] [2018-07-23 13:56:00,347 INFO L414 AbstractCegarLoop]: === Iteration 36 === [mainErr0AssertViolationASSERT]=== [2018-07-23 13:56:00,347 INFO L82 PathProgramCache]: Analyzing trace with hash 440348358, now seen corresponding path program 35 times [2018-07-23 13:56:00,347 INFO L69 tionRefinementEngine]: Using refinement strategy FixedRefinementStrategy [2018-07-23 13:56:00,371 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-07-23 13:56:00,630 INFO L134 CoverageAnalysis]: Checked inductivity of 630 backedges. 0 proven. 630 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-07-23 13:56:00,632 INFO L309 seRefinementStrategy]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2018-07-23 13:56:00,633 INFO L324 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [37] total 37 [2018-07-23 13:56:00,633 INFO L142 lantAutomatonBuilder]: Constructing canonical interpolant automaton, with selfloop in false state [2018-07-23 13:56:00,633 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-07-23 13:56:00,633 INFO L185 omatonBuilderFactory]: Interpolants [3968#(or (= main_x main_y) (<= (select main_a main_x) 25)), 3969#(or (<= (select main_a main_x) 26) (= main_x main_y)), 3970#(or (<= (select main_a main_x) 27) (= main_x main_y)), 3971#(or (<= (select main_a main_x) 28) (= main_x main_y)), 3972#(or (<= (select main_a main_x) 29) (= main_x main_y)), 3973#(or (= main_x main_y) (<= (select main_a main_x) 30)), 3974#(or (<= (select main_a main_x) 31) (= main_x main_y)), 3975#(or (<= (select main_a main_x) 32) (= main_x main_y)), 3976#(or (<= (select main_a main_x) 33) (= main_x main_y)), 3977#(or (<= (select main_a main_x) 34) (= main_x main_y)), 3978#(or (not (= (select main_a main_x) 1000)) (= main_x main_y)), 3941#true, 3942#false, 3943#(or (= 0 (select main_a main_x)) (= main_x main_y)), 3944#(or (<= (select main_a main_x) 1) (= main_x main_y)), 3945#(or (= main_x main_y) (<= (select main_a main_x) 2)), 3946#(or (= main_x main_y) (<= (select main_a main_x) 3)), 3947#(or (<= (select main_a main_x) 4) (= main_x main_y)), 3948#(or (<= (select main_a main_x) 5) (= main_x main_y)), 3949#(or (<= (select main_a main_x) 6) (= main_x main_y)), 3950#(or (<= (select main_a main_x) 7) (= main_x main_y)), 3951#(or (<= (select main_a main_x) 8) (= main_x main_y)), 3952#(or (= main_x main_y) (<= (select main_a main_x) 9)), 3953#(or (= main_x main_y) (<= (select main_a main_x) 10)), 3954#(or (= main_x main_y) (<= (select main_a main_x) 11)), 3955#(or (<= (select main_a main_x) 12) (= main_x main_y)), 3956#(or (= main_x main_y) (<= (select main_a main_x) 13)), 3957#(or (<= (select main_a main_x) 14) (= main_x main_y)), 3958#(or (<= (select main_a main_x) 15) (= main_x main_y)), 3959#(or (<= (select main_a main_x) 16) (= main_x main_y)), 3960#(or (= main_x main_y) (<= (select main_a main_x) 17)), 3961#(or (<= (select main_a main_x) 18) (= main_x main_y)), 3962#(or (<= (select main_a main_x) 19) (= main_x main_y)), 3963#(or (= main_x main_y) (<= (select main_a main_x) 20)), 3964#(or (<= (select main_a main_x) 21) (= main_x main_y)), 3965#(or (= main_x main_y) (<= (select main_a main_x) 22)), 3966#(or (= main_x main_y) (<= (select main_a main_x) 23)), 3967#(or (<= (select main_a main_x) 24) (= main_x main_y))] [2018-07-23 13:56:00,634 INFO L134 CoverageAnalysis]: Checked inductivity of 630 backedges. 0 proven. 630 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-07-23 13:56:00,634 INFO L450 AbstractCegarLoop]: Interpolant automaton has 38 states [2018-07-23 13:56:00,634 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 38 interpolants. [2018-07-23 13:56:00,635 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=703, Invalid=703, Unknown=0, NotChecked=0, Total=1406 [2018-07-23 13:56:00,635 INFO L87 Difference]: Start difference. First operand 39 states and 39 transitions. Second operand 38 states. [2018-07-23 13:56:00,661 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-07-23 13:56:00,662 INFO L93 Difference]: Finished difference Result 42 states and 42 transitions. [2018-07-23 13:56:00,662 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 38 states. [2018-07-23 13:56:00,662 INFO L78 Accepts]: Start accepts. Automaton has 38 states. Word has length 38 [2018-07-23 13:56:00,662 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-07-23 13:56:00,663 INFO L225 Difference]: With dead ends: 42 [2018-07-23 13:56:00,663 INFO L226 Difference]: Without dead ends: 40 [2018-07-23 13:56:00,664 INFO L575 BasicCegarLoop]: 0 DeclaredPredicates, 37 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 36 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=703, Invalid=703, Unknown=0, NotChecked=0, Total=1406 [2018-07-23 13:56:00,664 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 40 states. [2018-07-23 13:56:00,669 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 40 to 40. [2018-07-23 13:56:00,669 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 40 states. [2018-07-23 13:56:00,669 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 40 states to 40 states and 40 transitions. [2018-07-23 13:56:00,669 INFO L78 Accepts]: Start accepts. Automaton has 40 states and 40 transitions. Word has length 38 [2018-07-23 13:56:00,670 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-07-23 13:56:00,670 INFO L471 AbstractCegarLoop]: Abstraction has 40 states and 40 transitions. [2018-07-23 13:56:00,670 INFO L472 AbstractCegarLoop]: Interpolant automaton has 38 states. [2018-07-23 13:56:00,670 INFO L276 IsEmpty]: Start isEmpty. Operand 40 states and 40 transitions. [2018-07-23 13:56:00,670 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 40 [2018-07-23 13:56:00,670 INFO L349 BasicCegarLoop]: Found error trace [2018-07-23 13:56:00,670 INFO L357 BasicCegarLoop]: trace histogram [36, 1, 1, 1] [2018-07-23 13:56:00,671 INFO L414 AbstractCegarLoop]: === Iteration 37 === [mainErr0AssertViolationASSERT]=== [2018-07-23 13:56:00,671 INFO L82 PathProgramCache]: Analyzing trace with hash 765893344, now seen corresponding path program 36 times [2018-07-23 13:56:00,671 INFO L69 tionRefinementEngine]: Using refinement strategy FixedRefinementStrategy [2018-07-23 13:56:00,698 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-07-23 13:56:00,971 INFO L134 CoverageAnalysis]: Checked inductivity of 666 backedges. 0 proven. 666 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-07-23 13:56:00,971 INFO L309 seRefinementStrategy]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2018-07-23 13:56:00,971 INFO L324 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [38] total 38 [2018-07-23 13:56:00,971 INFO L142 lantAutomatonBuilder]: Constructing canonical interpolant automaton, with selfloop in false state [2018-07-23 13:56:00,972 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-07-23 13:56:00,972 INFO L185 omatonBuilderFactory]: Interpolants [4160#(or (<= (select main_a main_x) 15) (= main_x main_y)), 4161#(or (<= (select main_a main_x) 16) (= main_x main_y)), 4162#(or (= main_x main_y) (<= (select main_a main_x) 17)), 4163#(or (<= (select main_a main_x) 18) (= main_x main_y)), 4164#(or (<= (select main_a main_x) 19) (= main_x main_y)), 4165#(or (= main_x main_y) (<= (select main_a main_x) 20)), 4166#(or (<= (select main_a main_x) 21) (= main_x main_y)), 4167#(or (= main_x main_y) (<= (select main_a main_x) 22)), 4168#(or (= main_x main_y) (<= (select main_a main_x) 23)), 4169#(or (<= (select main_a main_x) 24) (= main_x main_y)), 4170#(or (= main_x main_y) (<= (select main_a main_x) 25)), 4171#(or (<= (select main_a main_x) 26) (= main_x main_y)), 4172#(or (<= (select main_a main_x) 27) (= main_x main_y)), 4173#(or (<= (select main_a main_x) 28) (= main_x main_y)), 4174#(or (<= (select main_a main_x) 29) (= main_x main_y)), 4175#(or (= main_x main_y) (<= (select main_a main_x) 30)), 4176#(or (<= (select main_a main_x) 31) (= main_x main_y)), 4177#(or (<= (select main_a main_x) 32) (= main_x main_y)), 4178#(or (<= (select main_a main_x) 33) (= main_x main_y)), 4179#(or (<= (select main_a main_x) 34) (= main_x main_y)), 4180#(or (<= (select main_a main_x) 35) (= main_x main_y)), 4181#(or (not (= (select main_a main_x) 1000)) (= main_x main_y)), 4143#true, 4144#false, 4145#(or (= 0 (select main_a main_x)) (= main_x main_y)), 4146#(or (<= (select main_a main_x) 1) (= main_x main_y)), 4147#(or (= main_x main_y) (<= (select main_a main_x) 2)), 4148#(or (= main_x main_y) (<= (select main_a main_x) 3)), 4149#(or (<= (select main_a main_x) 4) (= main_x main_y)), 4150#(or (<= (select main_a main_x) 5) (= main_x main_y)), 4151#(or (<= (select main_a main_x) 6) (= main_x main_y)), 4152#(or (<= (select main_a main_x) 7) (= main_x main_y)), 4153#(or (<= (select main_a main_x) 8) (= main_x main_y)), 4154#(or (= main_x main_y) (<= (select main_a main_x) 9)), 4155#(or (= main_x main_y) (<= (select main_a main_x) 10)), 4156#(or (= main_x main_y) (<= (select main_a main_x) 11)), 4157#(or (<= (select main_a main_x) 12) (= main_x main_y)), 4158#(or (= main_x main_y) (<= (select main_a main_x) 13)), 4159#(or (<= (select main_a main_x) 14) (= main_x main_y))] [2018-07-23 13:56:00,972 INFO L134 CoverageAnalysis]: Checked inductivity of 666 backedges. 0 proven. 666 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-07-23 13:56:00,973 INFO L450 AbstractCegarLoop]: Interpolant automaton has 39 states [2018-07-23 13:56:00,973 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 39 interpolants. [2018-07-23 13:56:00,974 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=741, Invalid=741, Unknown=0, NotChecked=0, Total=1482 [2018-07-23 13:56:00,974 INFO L87 Difference]: Start difference. First operand 40 states and 40 transitions. Second operand 39 states. [2018-07-23 13:56:01,006 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-07-23 13:56:01,006 INFO L93 Difference]: Finished difference Result 43 states and 43 transitions. [2018-07-23 13:56:01,006 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 39 states. [2018-07-23 13:56:01,006 INFO L78 Accepts]: Start accepts. Automaton has 39 states. Word has length 39 [2018-07-23 13:56:01,006 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-07-23 13:56:01,007 INFO L225 Difference]: With dead ends: 43 [2018-07-23 13:56:01,007 INFO L226 Difference]: Without dead ends: 41 [2018-07-23 13:56:01,008 INFO L575 BasicCegarLoop]: 0 DeclaredPredicates, 38 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 37 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=741, Invalid=741, Unknown=0, NotChecked=0, Total=1482 [2018-07-23 13:56:01,008 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 41 states. [2018-07-23 13:56:01,016 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 41 to 41. [2018-07-23 13:56:01,016 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 41 states. [2018-07-23 13:56:01,017 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 41 states to 41 states and 41 transitions. [2018-07-23 13:56:01,017 INFO L78 Accepts]: Start accepts. Automaton has 41 states and 41 transitions. Word has length 39 [2018-07-23 13:56:01,017 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-07-23 13:56:01,017 INFO L471 AbstractCegarLoop]: Abstraction has 41 states and 41 transitions. [2018-07-23 13:56:01,017 INFO L472 AbstractCegarLoop]: Interpolant automaton has 39 states. [2018-07-23 13:56:01,017 INFO L276 IsEmpty]: Start isEmpty. Operand 41 states and 41 transitions. [2018-07-23 13:56:01,018 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 41 [2018-07-23 13:56:01,018 INFO L349 BasicCegarLoop]: Found error trace [2018-07-23 13:56:01,018 INFO L357 BasicCegarLoop]: trace histogram [37, 1, 1, 1] [2018-07-23 13:56:01,018 INFO L414 AbstractCegarLoop]: === Iteration 38 === [mainErr0AssertViolationASSERT]=== [2018-07-23 13:56:01,018 INFO L82 PathProgramCache]: Analyzing trace with hash -2027113978, now seen corresponding path program 37 times [2018-07-23 13:56:01,019 INFO L69 tionRefinementEngine]: Using refinement strategy FixedRefinementStrategy [2018-07-23 13:56:01,045 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-07-23 13:56:01,329 INFO L134 CoverageAnalysis]: Checked inductivity of 703 backedges. 0 proven. 703 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-07-23 13:56:01,329 INFO L309 seRefinementStrategy]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2018-07-23 13:56:01,329 INFO L324 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [39] total 39 [2018-07-23 13:56:01,329 INFO L142 lantAutomatonBuilder]: Constructing canonical interpolant automaton, with selfloop in false state [2018-07-23 13:56:01,330 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-07-23 13:56:01,330 INFO L185 omatonBuilderFactory]: Interpolants [4352#(or (= 0 (select main_a main_x)) (= main_x main_y)), 4353#(or (<= (select main_a main_x) 1) (= main_x main_y)), 4354#(or (= main_x main_y) (<= (select main_a main_x) 2)), 4355#(or (= main_x main_y) (<= (select main_a main_x) 3)), 4356#(or (<= (select main_a main_x) 4) (= main_x main_y)), 4357#(or (<= (select main_a main_x) 5) (= main_x main_y)), 4358#(or (<= (select main_a main_x) 6) (= main_x main_y)), 4359#(or (<= (select main_a main_x) 7) (= main_x main_y)), 4360#(or (<= (select main_a main_x) 8) (= main_x main_y)), 4361#(or (= main_x main_y) (<= (select main_a main_x) 9)), 4362#(or (= main_x main_y) (<= (select main_a main_x) 10)), 4363#(or (= main_x main_y) (<= (select main_a main_x) 11)), 4364#(or (<= (select main_a main_x) 12) (= main_x main_y)), 4365#(or (= main_x main_y) (<= (select main_a main_x) 13)), 4366#(or (<= (select main_a main_x) 14) (= main_x main_y)), 4367#(or (<= (select main_a main_x) 15) (= main_x main_y)), 4368#(or (<= (select main_a main_x) 16) (= main_x main_y)), 4369#(or (= main_x main_y) (<= (select main_a main_x) 17)), 4370#(or (<= (select main_a main_x) 18) (= main_x main_y)), 4371#(or (<= (select main_a main_x) 19) (= main_x main_y)), 4372#(or (= main_x main_y) (<= (select main_a main_x) 20)), 4373#(or (<= (select main_a main_x) 21) (= main_x main_y)), 4374#(or (= main_x main_y) (<= (select main_a main_x) 22)), 4375#(or (= main_x main_y) (<= (select main_a main_x) 23)), 4376#(or (<= (select main_a main_x) 24) (= main_x main_y)), 4377#(or (= main_x main_y) (<= (select main_a main_x) 25)), 4378#(or (<= (select main_a main_x) 26) (= main_x main_y)), 4379#(or (<= (select main_a main_x) 27) (= main_x main_y)), 4380#(or (<= (select main_a main_x) 28) (= main_x main_y)), 4381#(or (<= (select main_a main_x) 29) (= main_x main_y)), 4382#(or (= main_x main_y) (<= (select main_a main_x) 30)), 4383#(or (<= (select main_a main_x) 31) (= main_x main_y)), 4384#(or (<= (select main_a main_x) 32) (= main_x main_y)), 4385#(or (<= (select main_a main_x) 33) (= main_x main_y)), 4386#(or (<= (select main_a main_x) 34) (= main_x main_y)), 4387#(or (<= (select main_a main_x) 35) (= main_x main_y)), 4388#(or (<= (select main_a main_x) 36) (= main_x main_y)), 4389#(or (not (= (select main_a main_x) 1000)) (= main_x main_y)), 4350#true, 4351#false] [2018-07-23 13:56:01,330 INFO L134 CoverageAnalysis]: Checked inductivity of 703 backedges. 0 proven. 703 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-07-23 13:56:01,331 INFO L450 AbstractCegarLoop]: Interpolant automaton has 40 states [2018-07-23 13:56:01,331 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 40 interpolants. [2018-07-23 13:56:01,332 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=780, Invalid=780, Unknown=0, NotChecked=0, Total=1560 [2018-07-23 13:56:01,332 INFO L87 Difference]: Start difference. First operand 41 states and 41 transitions. Second operand 40 states. [2018-07-23 13:56:01,375 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-07-23 13:56:01,375 INFO L93 Difference]: Finished difference Result 44 states and 44 transitions. [2018-07-23 13:56:01,375 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 40 states. [2018-07-23 13:56:01,375 INFO L78 Accepts]: Start accepts. Automaton has 40 states. Word has length 40 [2018-07-23 13:56:01,375 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-07-23 13:56:01,376 INFO L225 Difference]: With dead ends: 44 [2018-07-23 13:56:01,376 INFO L226 Difference]: Without dead ends: 42 [2018-07-23 13:56:01,377 INFO L575 BasicCegarLoop]: 0 DeclaredPredicates, 39 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 38 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=780, Invalid=780, Unknown=0, NotChecked=0, Total=1560 [2018-07-23 13:56:01,377 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 42 states. [2018-07-23 13:56:01,383 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 42 to 42. [2018-07-23 13:56:01,383 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 42 states. [2018-07-23 13:56:01,384 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 42 states to 42 states and 42 transitions. [2018-07-23 13:56:01,384 INFO L78 Accepts]: Start accepts. Automaton has 42 states and 42 transitions. Word has length 40 [2018-07-23 13:56:01,384 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-07-23 13:56:01,384 INFO L471 AbstractCegarLoop]: Abstraction has 42 states and 42 transitions. [2018-07-23 13:56:01,384 INFO L472 AbstractCegarLoop]: Interpolant automaton has 40 states. [2018-07-23 13:56:01,385 INFO L276 IsEmpty]: Start isEmpty. Operand 42 states and 42 transitions. [2018-07-23 13:56:01,385 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 42 [2018-07-23 13:56:01,385 INFO L349 BasicCegarLoop]: Found error trace [2018-07-23 13:56:01,385 INFO L357 BasicCegarLoop]: trace histogram [38, 1, 1, 1] [2018-07-23 13:56:01,387 INFO L414 AbstractCegarLoop]: === Iteration 39 === [mainErr0AssertViolationASSERT]=== [2018-07-23 13:56:01,387 INFO L82 PathProgramCache]: Analyzing trace with hash 1583972256, now seen corresponding path program 38 times [2018-07-23 13:56:01,387 INFO L69 tionRefinementEngine]: Using refinement strategy FixedRefinementStrategy [2018-07-23 13:56:01,413 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-07-23 13:56:01,701 INFO L134 CoverageAnalysis]: Checked inductivity of 741 backedges. 0 proven. 741 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-07-23 13:56:01,702 INFO L309 seRefinementStrategy]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2018-07-23 13:56:01,702 INFO L324 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [40] total 40 [2018-07-23 13:56:01,702 INFO L142 lantAutomatonBuilder]: Constructing canonical interpolant automaton, with selfloop in false state [2018-07-23 13:56:01,702 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-07-23 13:56:01,703 INFO L185 omatonBuilderFactory]: Interpolants [4562#true, 4563#false, 4564#(or (= 0 (select main_a main_x)) (= main_x main_y)), 4565#(or (<= (select main_a main_x) 1) (= main_x main_y)), 4566#(or (= main_x main_y) (<= (select main_a main_x) 2)), 4567#(or (= main_x main_y) (<= (select main_a main_x) 3)), 4568#(or (<= (select main_a main_x) 4) (= main_x main_y)), 4569#(or (<= (select main_a main_x) 5) (= main_x main_y)), 4570#(or (<= (select main_a main_x) 6) (= main_x main_y)), 4571#(or (<= (select main_a main_x) 7) (= main_x main_y)), 4572#(or (<= (select main_a main_x) 8) (= main_x main_y)), 4573#(or (= main_x main_y) (<= (select main_a main_x) 9)), 4574#(or (= main_x main_y) (<= (select main_a main_x) 10)), 4575#(or (= main_x main_y) (<= (select main_a main_x) 11)), 4576#(or (<= (select main_a main_x) 12) (= main_x main_y)), 4577#(or (= main_x main_y) (<= (select main_a main_x) 13)), 4578#(or (<= (select main_a main_x) 14) (= main_x main_y)), 4579#(or (<= (select main_a main_x) 15) (= main_x main_y)), 4580#(or (<= (select main_a main_x) 16) (= main_x main_y)), 4581#(or (= main_x main_y) (<= (select main_a main_x) 17)), 4582#(or (<= (select main_a main_x) 18) (= main_x main_y)), 4583#(or (<= (select main_a main_x) 19) (= main_x main_y)), 4584#(or (= main_x main_y) (<= (select main_a main_x) 20)), 4585#(or (<= (select main_a main_x) 21) (= main_x main_y)), 4586#(or (= main_x main_y) (<= (select main_a main_x) 22)), 4587#(or (= main_x main_y) (<= (select main_a main_x) 23)), 4588#(or (<= (select main_a main_x) 24) (= main_x main_y)), 4589#(or (= main_x main_y) (<= (select main_a main_x) 25)), 4590#(or (<= (select main_a main_x) 26) (= main_x main_y)), 4591#(or (<= (select main_a main_x) 27) (= main_x main_y)), 4592#(or (<= (select main_a main_x) 28) (= main_x main_y)), 4593#(or (<= (select main_a main_x) 29) (= main_x main_y)), 4594#(or (= main_x main_y) (<= (select main_a main_x) 30)), 4595#(or (<= (select main_a main_x) 31) (= main_x main_y)), 4596#(or (<= (select main_a main_x) 32) (= main_x main_y)), 4597#(or (<= (select main_a main_x) 33) (= main_x main_y)), 4598#(or (<= (select main_a main_x) 34) (= main_x main_y)), 4599#(or (<= (select main_a main_x) 35) (= main_x main_y)), 4600#(or (<= (select main_a main_x) 36) (= main_x main_y)), 4601#(or (<= (select main_a main_x) 37) (= main_x main_y)), 4602#(or (not (= (select main_a main_x) 1000)) (= main_x main_y))] [2018-07-23 13:56:01,703 INFO L134 CoverageAnalysis]: Checked inductivity of 741 backedges. 0 proven. 741 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-07-23 13:56:01,703 INFO L450 AbstractCegarLoop]: Interpolant automaton has 41 states [2018-07-23 13:56:01,704 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 41 interpolants. [2018-07-23 13:56:01,705 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=820, Invalid=820, Unknown=0, NotChecked=0, Total=1640 [2018-07-23 13:56:01,705 INFO L87 Difference]: Start difference. First operand 42 states and 42 transitions. Second operand 41 states. [2018-07-23 13:56:01,750 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-07-23 13:56:01,751 INFO L93 Difference]: Finished difference Result 45 states and 45 transitions. [2018-07-23 13:56:01,751 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 41 states. [2018-07-23 13:56:01,751 INFO L78 Accepts]: Start accepts. Automaton has 41 states. Word has length 41 [2018-07-23 13:56:01,751 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-07-23 13:56:01,752 INFO L225 Difference]: With dead ends: 45 [2018-07-23 13:56:01,752 INFO L226 Difference]: Without dead ends: 43 [2018-07-23 13:56:01,753 INFO L575 BasicCegarLoop]: 0 DeclaredPredicates, 40 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 39 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=820, Invalid=820, Unknown=0, NotChecked=0, Total=1640 [2018-07-23 13:56:01,753 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 43 states. [2018-07-23 13:56:01,759 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 43 to 43. [2018-07-23 13:56:01,759 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 43 states. [2018-07-23 13:56:01,760 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 43 states to 43 states and 43 transitions. [2018-07-23 13:56:01,760 INFO L78 Accepts]: Start accepts. Automaton has 43 states and 43 transitions. Word has length 41 [2018-07-23 13:56:01,760 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-07-23 13:56:01,760 INFO L471 AbstractCegarLoop]: Abstraction has 43 states and 43 transitions. [2018-07-23 13:56:01,760 INFO L472 AbstractCegarLoop]: Interpolant automaton has 41 states. [2018-07-23 13:56:01,761 INFO L276 IsEmpty]: Start isEmpty. Operand 43 states and 43 transitions. [2018-07-23 13:56:01,761 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 43 [2018-07-23 13:56:01,761 INFO L349 BasicCegarLoop]: Found error trace [2018-07-23 13:56:01,761 INFO L357 BasicCegarLoop]: trace histogram [39, 1, 1, 1] [2018-07-23 13:56:01,761 INFO L414 AbstractCegarLoop]: === Iteration 40 === [mainErr0AssertViolationASSERT]=== [2018-07-23 13:56:01,762 INFO L82 PathProgramCache]: Analyzing trace with hash 1858495814, now seen corresponding path program 39 times [2018-07-23 13:56:01,762 INFO L69 tionRefinementEngine]: Using refinement strategy FixedRefinementStrategy [2018-07-23 13:56:01,798 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-07-23 13:56:02,130 INFO L134 CoverageAnalysis]: Checked inductivity of 780 backedges. 0 proven. 780 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-07-23 13:56:02,130 INFO L309 seRefinementStrategy]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2018-07-23 13:56:02,130 INFO L324 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [41] total 41 [2018-07-23 13:56:02,130 INFO L142 lantAutomatonBuilder]: Constructing canonical interpolant automaton, with selfloop in false state [2018-07-23 13:56:02,131 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-07-23 13:56:02,131 INFO L185 omatonBuilderFactory]: Interpolants [4800#(or (<= (select main_a main_x) 19) (= main_x main_y)), 4801#(or (= main_x main_y) (<= (select main_a main_x) 20)), 4802#(or (<= (select main_a main_x) 21) (= main_x main_y)), 4803#(or (= main_x main_y) (<= (select main_a main_x) 22)), 4804#(or (= main_x main_y) (<= (select main_a main_x) 23)), 4805#(or (<= (select main_a main_x) 24) (= main_x main_y)), 4806#(or (= main_x main_y) (<= (select main_a main_x) 25)), 4807#(or (<= (select main_a main_x) 26) (= main_x main_y)), 4808#(or (<= (select main_a main_x) 27) (= main_x main_y)), 4809#(or (<= (select main_a main_x) 28) (= main_x main_y)), 4810#(or (<= (select main_a main_x) 29) (= main_x main_y)), 4811#(or (= main_x main_y) (<= (select main_a main_x) 30)), 4812#(or (<= (select main_a main_x) 31) (= main_x main_y)), 4813#(or (<= (select main_a main_x) 32) (= main_x main_y)), 4814#(or (<= (select main_a main_x) 33) (= main_x main_y)), 4815#(or (<= (select main_a main_x) 34) (= main_x main_y)), 4816#(or (<= (select main_a main_x) 35) (= main_x main_y)), 4817#(or (<= (select main_a main_x) 36) (= main_x main_y)), 4818#(or (<= (select main_a main_x) 37) (= main_x main_y)), 4819#(or (<= (select main_a main_x) 38) (= main_x main_y)), 4820#(or (not (= (select main_a main_x) 1000)) (= main_x main_y)), 4779#true, 4780#false, 4781#(or (= 0 (select main_a main_x)) (= main_x main_y)), 4782#(or (<= (select main_a main_x) 1) (= main_x main_y)), 4783#(or (= main_x main_y) (<= (select main_a main_x) 2)), 4784#(or (= main_x main_y) (<= (select main_a main_x) 3)), 4785#(or (<= (select main_a main_x) 4) (= main_x main_y)), 4786#(or (<= (select main_a main_x) 5) (= main_x main_y)), 4787#(or (<= (select main_a main_x) 6) (= main_x main_y)), 4788#(or (<= (select main_a main_x) 7) (= main_x main_y)), 4789#(or (<= (select main_a main_x) 8) (= main_x main_y)), 4790#(or (= main_x main_y) (<= (select main_a main_x) 9)), 4791#(or (= main_x main_y) (<= (select main_a main_x) 10)), 4792#(or (= main_x main_y) (<= (select main_a main_x) 11)), 4793#(or (<= (select main_a main_x) 12) (= main_x main_y)), 4794#(or (= main_x main_y) (<= (select main_a main_x) 13)), 4795#(or (<= (select main_a main_x) 14) (= main_x main_y)), 4796#(or (<= (select main_a main_x) 15) (= main_x main_y)), 4797#(or (<= (select main_a main_x) 16) (= main_x main_y)), 4798#(or (= main_x main_y) (<= (select main_a main_x) 17)), 4799#(or (<= (select main_a main_x) 18) (= main_x main_y))] [2018-07-23 13:56:02,132 INFO L134 CoverageAnalysis]: Checked inductivity of 780 backedges. 0 proven. 780 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-07-23 13:56:02,132 INFO L450 AbstractCegarLoop]: Interpolant automaton has 42 states [2018-07-23 13:56:02,132 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 42 interpolants. [2018-07-23 13:56:02,133 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=861, Invalid=861, Unknown=0, NotChecked=0, Total=1722 [2018-07-23 13:56:02,134 INFO L87 Difference]: Start difference. First operand 43 states and 43 transitions. Second operand 42 states. [2018-07-23 13:56:02,167 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-07-23 13:56:02,168 INFO L93 Difference]: Finished difference Result 46 states and 46 transitions. [2018-07-23 13:56:02,168 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 42 states. [2018-07-23 13:56:02,168 INFO L78 Accepts]: Start accepts. Automaton has 42 states. Word has length 42 [2018-07-23 13:56:02,168 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-07-23 13:56:02,169 INFO L225 Difference]: With dead ends: 46 [2018-07-23 13:56:02,169 INFO L226 Difference]: Without dead ends: 44 [2018-07-23 13:56:02,170 INFO L575 BasicCegarLoop]: 0 DeclaredPredicates, 41 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 40 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=861, Invalid=861, Unknown=0, NotChecked=0, Total=1722 [2018-07-23 13:56:02,170 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 44 states. [2018-07-23 13:56:02,176 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 44 to 44. [2018-07-23 13:56:02,177 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 44 states. [2018-07-23 13:56:02,177 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 44 states to 44 states and 44 transitions. [2018-07-23 13:56:02,177 INFO L78 Accepts]: Start accepts. Automaton has 44 states and 44 transitions. Word has length 42 [2018-07-23 13:56:02,177 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-07-23 13:56:02,178 INFO L471 AbstractCegarLoop]: Abstraction has 44 states and 44 transitions. [2018-07-23 13:56:02,178 INFO L472 AbstractCegarLoop]: Interpolant automaton has 42 states. [2018-07-23 13:56:02,178 INFO L276 IsEmpty]: Start isEmpty. Operand 44 states and 44 transitions. [2018-07-23 13:56:02,178 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2018-07-23 13:56:02,178 INFO L349 BasicCegarLoop]: Found error trace [2018-07-23 13:56:02,179 INFO L357 BasicCegarLoop]: trace histogram [40, 1, 1, 1] [2018-07-23 13:56:02,179 INFO L414 AbstractCegarLoop]: === Iteration 41 === [mainErr0AssertViolationASSERT]=== [2018-07-23 13:56:02,179 INFO L82 PathProgramCache]: Analyzing trace with hash 1778791520, now seen corresponding path program 40 times [2018-07-23 13:56:02,179 INFO L69 tionRefinementEngine]: Using refinement strategy FixedRefinementStrategy [2018-07-23 13:56:02,241 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-07-23 13:56:02,510 INFO L134 CoverageAnalysis]: Checked inductivity of 820 backedges. 0 proven. 820 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-07-23 13:56:02,511 INFO L309 seRefinementStrategy]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2018-07-23 13:56:02,511 INFO L324 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [42] total 42 [2018-07-23 13:56:02,511 INFO L142 lantAutomatonBuilder]: Constructing canonical interpolant automaton, with selfloop in false state [2018-07-23 13:56:02,511 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-07-23 13:56:02,512 INFO L185 omatonBuilderFactory]: Interpolants [5001#true, 5002#false, 5003#(or (= 0 (select main_a main_x)) (= main_x main_y)), 5004#(or (<= (select main_a main_x) 1) (= main_x main_y)), 5005#(or (= main_x main_y) (<= (select main_a main_x) 2)), 5006#(or (= main_x main_y) (<= (select main_a main_x) 3)), 5007#(or (<= (select main_a main_x) 4) (= main_x main_y)), 5008#(or (<= (select main_a main_x) 5) (= main_x main_y)), 5009#(or (<= (select main_a main_x) 6) (= main_x main_y)), 5010#(or (<= (select main_a main_x) 7) (= main_x main_y)), 5011#(or (<= (select main_a main_x) 8) (= main_x main_y)), 5012#(or (= main_x main_y) (<= (select main_a main_x) 9)), 5013#(or (= main_x main_y) (<= (select main_a main_x) 10)), 5014#(or (= main_x main_y) (<= (select main_a main_x) 11)), 5015#(or (<= (select main_a main_x) 12) (= main_x main_y)), 5016#(or (= main_x main_y) (<= (select main_a main_x) 13)), 5017#(or (<= (select main_a main_x) 14) (= main_x main_y)), 5018#(or (<= (select main_a main_x) 15) (= main_x main_y)), 5019#(or (<= (select main_a main_x) 16) (= main_x main_y)), 5020#(or (= main_x main_y) (<= (select main_a main_x) 17)), 5021#(or (<= (select main_a main_x) 18) (= main_x main_y)), 5022#(or (<= (select main_a main_x) 19) (= main_x main_y)), 5023#(or (= main_x main_y) (<= (select main_a main_x) 20)), 5024#(or (<= (select main_a main_x) 21) (= main_x main_y)), 5025#(or (= main_x main_y) (<= (select main_a main_x) 22)), 5026#(or (= main_x main_y) (<= (select main_a main_x) 23)), 5027#(or (<= (select main_a main_x) 24) (= main_x main_y)), 5028#(or (= main_x main_y) (<= (select main_a main_x) 25)), 5029#(or (<= (select main_a main_x) 26) (= main_x main_y)), 5030#(or (<= (select main_a main_x) 27) (= main_x main_y)), 5031#(or (<= (select main_a main_x) 28) (= main_x main_y)), 5032#(or (<= (select main_a main_x) 29) (= main_x main_y)), 5033#(or (= main_x main_y) (<= (select main_a main_x) 30)), 5034#(or (<= (select main_a main_x) 31) (= main_x main_y)), 5035#(or (<= (select main_a main_x) 32) (= main_x main_y)), 5036#(or (<= (select main_a main_x) 33) (= main_x main_y)), 5037#(or (<= (select main_a main_x) 34) (= main_x main_y)), 5038#(or (<= (select main_a main_x) 35) (= main_x main_y)), 5039#(or (<= (select main_a main_x) 36) (= main_x main_y)), 5040#(or (<= (select main_a main_x) 37) (= main_x main_y)), 5041#(or (<= (select main_a main_x) 38) (= main_x main_y)), 5042#(or (<= (select main_a main_x) 39) (= main_x main_y)), 5043#(or (not (= (select main_a main_x) 1000)) (= main_x main_y))] [2018-07-23 13:56:02,512 INFO L134 CoverageAnalysis]: Checked inductivity of 820 backedges. 0 proven. 820 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-07-23 13:56:02,512 INFO L450 AbstractCegarLoop]: Interpolant automaton has 43 states [2018-07-23 13:56:02,513 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 43 interpolants. [2018-07-23 13:56:02,514 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=903, Invalid=903, Unknown=0, NotChecked=0, Total=1806 [2018-07-23 13:56:02,514 INFO L87 Difference]: Start difference. First operand 44 states and 44 transitions. Second operand 43 states. [2018-07-23 13:56:02,558 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-07-23 13:56:02,558 INFO L93 Difference]: Finished difference Result 47 states and 47 transitions. [2018-07-23 13:56:02,558 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 43 states. [2018-07-23 13:56:02,558 INFO L78 Accepts]: Start accepts. Automaton has 43 states. Word has length 43 [2018-07-23 13:56:02,559 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-07-23 13:56:02,559 INFO L225 Difference]: With dead ends: 47 [2018-07-23 13:56:02,559 INFO L226 Difference]: Without dead ends: 45 [2018-07-23 13:56:02,560 INFO L575 BasicCegarLoop]: 0 DeclaredPredicates, 42 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 41 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=903, Invalid=903, Unknown=0, NotChecked=0, Total=1806 [2018-07-23 13:56:02,560 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 45 states. [2018-07-23 13:56:02,565 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 45 to 45. [2018-07-23 13:56:02,566 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 45 states. [2018-07-23 13:56:02,566 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 45 states to 45 states and 45 transitions. [2018-07-23 13:56:02,566 INFO L78 Accepts]: Start accepts. Automaton has 45 states and 45 transitions. Word has length 43 [2018-07-23 13:56:02,566 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-07-23 13:56:02,566 INFO L471 AbstractCegarLoop]: Abstraction has 45 states and 45 transitions. [2018-07-23 13:56:02,567 INFO L472 AbstractCegarLoop]: Interpolant automaton has 43 states. [2018-07-23 13:56:02,567 INFO L276 IsEmpty]: Start isEmpty. Operand 45 states and 45 transitions. [2018-07-23 13:56:02,567 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 45 [2018-07-23 13:56:02,567 INFO L349 BasicCegarLoop]: Found error trace [2018-07-23 13:56:02,567 INFO L357 BasicCegarLoop]: trace histogram [41, 1, 1, 1] [2018-07-23 13:56:02,567 INFO L414 AbstractCegarLoop]: === Iteration 42 === [mainErr0AssertViolationASSERT]=== [2018-07-23 13:56:02,568 INFO L82 PathProgramCache]: Analyzing trace with hash -692041594, now seen corresponding path program 41 times [2018-07-23 13:56:02,568 INFO L69 tionRefinementEngine]: Using refinement strategy FixedRefinementStrategy [2018-07-23 13:56:02,595 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-07-23 13:56:02,871 INFO L134 CoverageAnalysis]: Checked inductivity of 861 backedges. 0 proven. 861 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-07-23 13:56:02,872 INFO L309 seRefinementStrategy]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2018-07-23 13:56:02,872 INFO L324 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [43] total 43 [2018-07-23 13:56:02,872 INFO L142 lantAutomatonBuilder]: Constructing canonical interpolant automaton, with selfloop in false state [2018-07-23 13:56:02,872 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-07-23 13:56:02,873 INFO L185 omatonBuilderFactory]: Interpolants [5248#(or (<= (select main_a main_x) 18) (= main_x main_y)), 5249#(or (<= (select main_a main_x) 19) (= main_x main_y)), 5250#(or (= main_x main_y) (<= (select main_a main_x) 20)), 5251#(or (<= (select main_a main_x) 21) (= main_x main_y)), 5252#(or (= main_x main_y) (<= (select main_a main_x) 22)), 5253#(or (= main_x main_y) (<= (select main_a main_x) 23)), 5254#(or (<= (select main_a main_x) 24) (= main_x main_y)), 5255#(or (= main_x main_y) (<= (select main_a main_x) 25)), 5256#(or (<= (select main_a main_x) 26) (= main_x main_y)), 5257#(or (<= (select main_a main_x) 27) (= main_x main_y)), 5258#(or (<= (select main_a main_x) 28) (= main_x main_y)), 5259#(or (<= (select main_a main_x) 29) (= main_x main_y)), 5260#(or (= main_x main_y) (<= (select main_a main_x) 30)), 5261#(or (<= (select main_a main_x) 31) (= main_x main_y)), 5262#(or (<= (select main_a main_x) 32) (= main_x main_y)), 5263#(or (<= (select main_a main_x) 33) (= main_x main_y)), 5264#(or (<= (select main_a main_x) 34) (= main_x main_y)), 5265#(or (<= (select main_a main_x) 35) (= main_x main_y)), 5266#(or (<= (select main_a main_x) 36) (= main_x main_y)), 5267#(or (<= (select main_a main_x) 37) (= main_x main_y)), 5268#(or (<= (select main_a main_x) 38) (= main_x main_y)), 5269#(or (<= (select main_a main_x) 39) (= main_x main_y)), 5270#(or (<= (select main_a main_x) 40) (= main_x main_y)), 5271#(or (not (= (select main_a main_x) 1000)) (= main_x main_y)), 5228#true, 5229#false, 5230#(or (= 0 (select main_a main_x)) (= main_x main_y)), 5231#(or (<= (select main_a main_x) 1) (= main_x main_y)), 5232#(or (= main_x main_y) (<= (select main_a main_x) 2)), 5233#(or (= main_x main_y) (<= (select main_a main_x) 3)), 5234#(or (<= (select main_a main_x) 4) (= main_x main_y)), 5235#(or (<= (select main_a main_x) 5) (= main_x main_y)), 5236#(or (<= (select main_a main_x) 6) (= main_x main_y)), 5237#(or (<= (select main_a main_x) 7) (= main_x main_y)), 5238#(or (<= (select main_a main_x) 8) (= main_x main_y)), 5239#(or (= main_x main_y) (<= (select main_a main_x) 9)), 5240#(or (= main_x main_y) (<= (select main_a main_x) 10)), 5241#(or (= main_x main_y) (<= (select main_a main_x) 11)), 5242#(or (<= (select main_a main_x) 12) (= main_x main_y)), 5243#(or (= main_x main_y) (<= (select main_a main_x) 13)), 5244#(or (<= (select main_a main_x) 14) (= main_x main_y)), 5245#(or (<= (select main_a main_x) 15) (= main_x main_y)), 5246#(or (<= (select main_a main_x) 16) (= main_x main_y)), 5247#(or (= main_x main_y) (<= (select main_a main_x) 17))] [2018-07-23 13:56:02,873 INFO L134 CoverageAnalysis]: Checked inductivity of 861 backedges. 0 proven. 861 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-07-23 13:56:02,873 INFO L450 AbstractCegarLoop]: Interpolant automaton has 44 states [2018-07-23 13:56:02,874 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 44 interpolants. [2018-07-23 13:56:02,874 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=946, Invalid=946, Unknown=0, NotChecked=0, Total=1892 [2018-07-23 13:56:02,875 INFO L87 Difference]: Start difference. First operand 45 states and 45 transitions. Second operand 44 states. [2018-07-23 13:56:02,907 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-07-23 13:56:02,907 INFO L93 Difference]: Finished difference Result 48 states and 48 transitions. [2018-07-23 13:56:02,907 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 44 states. [2018-07-23 13:56:02,908 INFO L78 Accepts]: Start accepts. Automaton has 44 states. Word has length 44 [2018-07-23 13:56:02,908 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-07-23 13:56:02,908 INFO L225 Difference]: With dead ends: 48 [2018-07-23 13:56:02,908 INFO L226 Difference]: Without dead ends: 46 [2018-07-23 13:56:02,909 INFO L575 BasicCegarLoop]: 0 DeclaredPredicates, 43 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 42 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=946, Invalid=946, Unknown=0, NotChecked=0, Total=1892 [2018-07-23 13:56:02,910 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 46 states. [2018-07-23 13:56:02,915 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 46 to 46. [2018-07-23 13:56:02,916 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 46 states. [2018-07-23 13:56:02,916 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 46 states to 46 states and 46 transitions. [2018-07-23 13:56:02,916 INFO L78 Accepts]: Start accepts. Automaton has 46 states and 46 transitions. Word has length 44 [2018-07-23 13:56:02,916 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-07-23 13:56:02,916 INFO L471 AbstractCegarLoop]: Abstraction has 46 states and 46 transitions. [2018-07-23 13:56:02,916 INFO L472 AbstractCegarLoop]: Interpolant automaton has 44 states. [2018-07-23 13:56:02,917 INFO L276 IsEmpty]: Start isEmpty. Operand 46 states and 46 transitions. [2018-07-23 13:56:02,917 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 46 [2018-07-23 13:56:02,917 INFO L349 BasicCegarLoop]: Found error trace [2018-07-23 13:56:02,917 INFO L357 BasicCegarLoop]: trace histogram [42, 1, 1, 1] [2018-07-23 13:56:02,917 INFO L414 AbstractCegarLoop]: === Iteration 43 === [mainErr0AssertViolationASSERT]=== [2018-07-23 13:56:02,918 INFO L82 PathProgramCache]: Analyzing trace with hash 21543200, now seen corresponding path program 42 times [2018-07-23 13:56:02,918 INFO L69 tionRefinementEngine]: Using refinement strategy FixedRefinementStrategy [2018-07-23 13:56:02,946 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-07-23 13:56:03,231 INFO L134 CoverageAnalysis]: Checked inductivity of 903 backedges. 0 proven. 903 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-07-23 13:56:03,231 INFO L309 seRefinementStrategy]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2018-07-23 13:56:03,232 INFO L324 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [44] total 44 [2018-07-23 13:56:03,232 INFO L142 lantAutomatonBuilder]: Constructing canonical interpolant automaton, with selfloop in false state [2018-07-23 13:56:03,232 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 13:56:03,232 INFO L185 omatonBuilderFactory]: Interpolants [5504#(or (not (= (select main_a main_x) 1000)) (= main_x main_y)), 5460#true, 5461#false, 5462#(or (= 0 (select main_a main_x)) (= main_x main_y)), 5463#(or (<= (select main_a main_x) 1) (= main_x main_y)), 5464#(or (= main_x main_y) (<= (select main_a main_x) 2)), 5465#(or (= main_x main_y) (<= (select main_a main_x) 3)), 5466#(or (<= (select main_a main_x) 4) (= main_x main_y)), 5467#(or (<= (select main_a main_x) 5) (= main_x main_y)), 5468#(or (<= (select main_a main_x) 6) (= main_x main_y)), 5469#(or (<= (select main_a main_x) 7) (= main_x main_y)), 5470#(or (<= (select main_a main_x) 8) (= main_x main_y)), 5471#(or (= main_x main_y) (<= (select main_a main_x) 9)), 5472#(or (= main_x main_y) (<= (select main_a main_x) 10)), 5473#(or (= main_x main_y) (<= (select main_a main_x) 11)), 5474#(or (<= (select main_a main_x) 12) (= main_x main_y)), 5475#(or (= main_x main_y) (<= (select main_a main_x) 13)), 5476#(or (<= (select main_a main_x) 14) (= main_x main_y)), 5477#(or (<= (select main_a main_x) 15) (= main_x main_y)), 5478#(or (<= (select main_a main_x) 16) (= main_x main_y)), 5479#(or (= main_x main_y) (<= (select main_a main_x) 17)), 5480#(or (<= (select main_a main_x) 18) (= main_x main_y)), 5481#(or (<= (select main_a main_x) 19) (= main_x main_y)), 5482#(or (= main_x main_y) (<= (select main_a main_x) 20)), 5483#(or (<= (select main_a main_x) 21) (= main_x main_y)), 5484#(or (= main_x main_y) (<= (select main_a main_x) 22)), 5485#(or (= main_x main_y) (<= (select main_a main_x) 23)), 5486#(or (<= (select main_a main_x) 24) (= main_x main_y)), 5487#(or (= main_x main_y) (<= (select main_a main_x) 25)), 5488#(or (<= (select main_a main_x) 26) (= main_x main_y)), 5489#(or (<= (select main_a main_x) 27) (= main_x main_y)), 5490#(or (<= (select main_a main_x) 28) (= main_x main_y)), 5491#(or (<= (select main_a main_x) 29) (= main_x main_y)), 5492#(or (= main_x main_y) (<= (select main_a main_x) 30)), 5493#(or (<= (select main_a main_x) 31) (= main_x main_y)), 5494#(or (<= (select main_a main_x) 32) (= main_x main_y)), 5495#(or (<= (select main_a main_x) 33) (= main_x main_y)), 5496#(or (<= (select main_a main_x) 34) (= main_x main_y)), 5497#(or (<= (select main_a main_x) 35) (= main_x main_y)), 5498#(or (<= (select main_a main_x) 36) (= main_x main_y)), 5499#(or (<= (select main_a main_x) 37) (= main_x main_y)), 5500#(or (<= (select main_a main_x) 38) (= main_x main_y)), 5501#(or (<= (select main_a main_x) 39) (= main_x main_y)), 5502#(or (<= (select main_a main_x) 40) (= main_x main_y)), 5503#(or (<= (select main_a main_x) 41) (= main_x main_y))] [2018-07-23 13:56:03,233 INFO L134 CoverageAnalysis]: Checked inductivity of 903 backedges. 0 proven. 903 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-07-23 13:56:03,233 INFO L450 AbstractCegarLoop]: Interpolant automaton has 45 states [2018-07-23 13:56:03,234 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 45 interpolants. [2018-07-23 13:56:03,235 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=990, Invalid=990, Unknown=0, NotChecked=0, Total=1980 [2018-07-23 13:56:03,235 INFO L87 Difference]: Start difference. First operand 46 states and 46 transitions. Second operand 45 states. [2018-07-23 13:56:03,265 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-07-23 13:56:03,265 INFO L93 Difference]: Finished difference Result 49 states and 49 transitions. [2018-07-23 13:56:03,266 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 45 states. [2018-07-23 13:56:03,266 INFO L78 Accepts]: Start accepts. Automaton has 45 states. Word has length 45 [2018-07-23 13:56:03,266 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-07-23 13:56:03,266 INFO L225 Difference]: With dead ends: 49 [2018-07-23 13:56:03,267 INFO L226 Difference]: Without dead ends: 47 [2018-07-23 13:56:03,268 INFO L575 BasicCegarLoop]: 0 DeclaredPredicates, 44 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 43 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=990, Invalid=990, Unknown=0, NotChecked=0, Total=1980 [2018-07-23 13:56:03,268 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 47 states. [2018-07-23 13:56:03,274 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 47 to 47. [2018-07-23 13:56:03,274 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 47 states. [2018-07-23 13:56:03,275 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 47 states to 47 states and 47 transitions. [2018-07-23 13:56:03,275 INFO L78 Accepts]: Start accepts. Automaton has 47 states and 47 transitions. Word has length 45 [2018-07-23 13:56:03,275 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-07-23 13:56:03,275 INFO L471 AbstractCegarLoop]: Abstraction has 47 states and 47 transitions. [2018-07-23 13:56:03,275 INFO L472 AbstractCegarLoop]: Interpolant automaton has 45 states. [2018-07-23 13:56:03,275 INFO L276 IsEmpty]: Start isEmpty. Operand 47 states and 47 transitions. [2018-07-23 13:56:03,276 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 47 [2018-07-23 13:56:03,276 INFO L349 BasicCegarLoop]: Found error trace [2018-07-23 13:56:03,276 INFO L357 BasicCegarLoop]: trace histogram [43, 1, 1, 1] [2018-07-23 13:56:03,276 INFO L414 AbstractCegarLoop]: === Iteration 44 === [mainErr0AssertViolationASSERT]=== [2018-07-23 13:56:03,276 INFO L82 PathProgramCache]: Analyzing trace with hash 667835334, now seen corresponding path program 43 times [2018-07-23 13:56:03,277 INFO L69 tionRefinementEngine]: Using refinement strategy FixedRefinementStrategy [2018-07-23 13:56:03,306 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-07-23 13:56:03,596 INFO L134 CoverageAnalysis]: Checked inductivity of 946 backedges. 0 proven. 946 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-07-23 13:56:03,596 INFO L309 seRefinementStrategy]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2018-07-23 13:56:03,596 INFO L324 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [45] total 45 [2018-07-23 13:56:03,597 INFO L142 lantAutomatonBuilder]: Constructing canonical interpolant automaton, with selfloop in false state [2018-07-23 13:56:03,597 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-07-23 13:56:03,597 INFO L185 omatonBuilderFactory]: Interpolants [5697#true, 5698#false, 5699#(or (= 0 (select main_a main_x)) (= main_x main_y)), 5700#(or (<= (select main_a main_x) 1) (= main_x main_y)), 5701#(or (= main_x main_y) (<= (select main_a main_x) 2)), 5702#(or (= main_x main_y) (<= (select main_a main_x) 3)), 5703#(or (<= (select main_a main_x) 4) (= main_x main_y)), 5704#(or (<= (select main_a main_x) 5) (= main_x main_y)), 5705#(or (<= (select main_a main_x) 6) (= main_x main_y)), 5706#(or (<= (select main_a main_x) 7) (= main_x main_y)), 5707#(or (<= (select main_a main_x) 8) (= main_x main_y)), 5708#(or (= main_x main_y) (<= (select main_a main_x) 9)), 5709#(or (= main_x main_y) (<= (select main_a main_x) 10)), 5710#(or (= main_x main_y) (<= (select main_a main_x) 11)), 5711#(or (<= (select main_a main_x) 12) (= main_x main_y)), 5712#(or (= main_x main_y) (<= (select main_a main_x) 13)), 5713#(or (<= (select main_a main_x) 14) (= main_x main_y)), 5714#(or (<= (select main_a main_x) 15) (= main_x main_y)), 5715#(or (<= (select main_a main_x) 16) (= main_x main_y)), 5716#(or (= main_x main_y) (<= (select main_a main_x) 17)), 5717#(or (<= (select main_a main_x) 18) (= main_x main_y)), 5718#(or (<= (select main_a main_x) 19) (= main_x main_y)), 5719#(or (= main_x main_y) (<= (select main_a main_x) 20)), 5720#(or (<= (select main_a main_x) 21) (= main_x main_y)), 5721#(or (= main_x main_y) (<= (select main_a main_x) 22)), 5722#(or (= main_x main_y) (<= (select main_a main_x) 23)), 5723#(or (<= (select main_a main_x) 24) (= main_x main_y)), 5724#(or (= main_x main_y) (<= (select main_a main_x) 25)), 5725#(or (<= (select main_a main_x) 26) (= main_x main_y)), 5726#(or (<= (select main_a main_x) 27) (= main_x main_y)), 5727#(or (<= (select main_a main_x) 28) (= main_x main_y)), 5728#(or (<= (select main_a main_x) 29) (= main_x main_y)), 5729#(or (= main_x main_y) (<= (select main_a main_x) 30)), 5730#(or (<= (select main_a main_x) 31) (= main_x main_y)), 5731#(or (<= (select main_a main_x) 32) (= main_x main_y)), 5732#(or (<= (select main_a main_x) 33) (= main_x main_y)), 5733#(or (<= (select main_a main_x) 34) (= main_x main_y)), 5734#(or (<= (select main_a main_x) 35) (= main_x main_y)), 5735#(or (<= (select main_a main_x) 36) (= main_x main_y)), 5736#(or (<= (select main_a main_x) 37) (= main_x main_y)), 5737#(or (<= (select main_a main_x) 38) (= main_x main_y)), 5738#(or (<= (select main_a main_x) 39) (= main_x main_y)), 5739#(or (<= (select main_a main_x) 40) (= main_x main_y)), 5740#(or (<= (select main_a main_x) 41) (= main_x main_y)), 5741#(or (<= (select main_a main_x) 42) (= main_x main_y)), 5742#(or (not (= (select main_a main_x) 1000)) (= main_x main_y))] [2018-07-23 13:56:03,598 INFO L134 CoverageAnalysis]: Checked inductivity of 946 backedges. 0 proven. 946 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-07-23 13:56:03,598 INFO L450 AbstractCegarLoop]: Interpolant automaton has 46 states [2018-07-23 13:56:03,598 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 46 interpolants. [2018-07-23 13:56:03,599 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=1035, Invalid=1035, Unknown=0, NotChecked=0, Total=2070 [2018-07-23 13:56:03,600 INFO L87 Difference]: Start difference. First operand 47 states and 47 transitions. Second operand 46 states. [2018-07-23 13:56:03,648 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-07-23 13:56:03,648 INFO L93 Difference]: Finished difference Result 50 states and 50 transitions. [2018-07-23 13:56:03,649 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 46 states. [2018-07-23 13:56:03,649 INFO L78 Accepts]: Start accepts. Automaton has 46 states. Word has length 46 [2018-07-23 13:56:03,649 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-07-23 13:56:03,649 INFO L225 Difference]: With dead ends: 50 [2018-07-23 13:56:03,650 INFO L226 Difference]: Without dead ends: 48 [2018-07-23 13:56:03,651 INFO L575 BasicCegarLoop]: 0 DeclaredPredicates, 45 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 44 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=1035, Invalid=1035, Unknown=0, NotChecked=0, Total=2070 [2018-07-23 13:56:03,651 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 48 states. [2018-07-23 13:56:03,658 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 48 to 48. [2018-07-23 13:56:03,658 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 48 states. [2018-07-23 13:56:03,659 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 48 states to 48 states and 48 transitions. [2018-07-23 13:56:03,659 INFO L78 Accepts]: Start accepts. Automaton has 48 states and 48 transitions. Word has length 46 [2018-07-23 13:56:03,659 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-07-23 13:56:03,659 INFO L471 AbstractCegarLoop]: Abstraction has 48 states and 48 transitions. [2018-07-23 13:56:03,659 INFO L472 AbstractCegarLoop]: Interpolant automaton has 46 states. [2018-07-23 13:56:03,659 INFO L276 IsEmpty]: Start isEmpty. Operand 48 states and 48 transitions. [2018-07-23 13:56:03,660 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 48 [2018-07-23 13:56:03,660 INFO L349 BasicCegarLoop]: Found error trace [2018-07-23 13:56:03,660 INFO L357 BasicCegarLoop]: trace histogram [44, 1, 1, 1] [2018-07-23 13:56:03,660 INFO L414 AbstractCegarLoop]: === Iteration 45 === [mainErr0AssertViolationASSERT]=== [2018-07-23 13:56:03,660 INFO L82 PathProgramCache]: Analyzing trace with hash -771944992, now seen corresponding path program 44 times [2018-07-23 13:56:03,660 INFO L69 tionRefinementEngine]: Using refinement strategy FixedRefinementStrategy [2018-07-23 13:56:03,692 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-07-23 13:56:04,008 INFO L134 CoverageAnalysis]: Checked inductivity of 990 backedges. 0 proven. 990 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-07-23 13:56:04,009 INFO L309 seRefinementStrategy]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2018-07-23 13:56:04,009 INFO L324 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [46] total 46 [2018-07-23 13:56:04,009 INFO L142 lantAutomatonBuilder]: Constructing canonical interpolant automaton, with selfloop in false state [2018-07-23 13:56:04,013 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-07-23 13:56:04,013 INFO L185 omatonBuilderFactory]: Interpolants [5952#(or (= main_x main_y) (<= (select main_a main_x) 11)), 5953#(or (<= (select main_a main_x) 12) (= main_x main_y)), 5954#(or (= main_x main_y) (<= (select main_a main_x) 13)), 5955#(or (<= (select main_a main_x) 14) (= main_x main_y)), 5956#(or (<= (select main_a main_x) 15) (= main_x main_y)), 5957#(or (<= (select main_a main_x) 16) (= main_x main_y)), 5958#(or (= main_x main_y) (<= (select main_a main_x) 17)), 5959#(or (<= (select main_a main_x) 18) (= main_x main_y)), 5960#(or (<= (select main_a main_x) 19) (= main_x main_y)), 5961#(or (= main_x main_y) (<= (select main_a main_x) 20)), 5962#(or (<= (select main_a main_x) 21) (= main_x main_y)), 5963#(or (= main_x main_y) (<= (select main_a main_x) 22)), 5964#(or (= main_x main_y) (<= (select main_a main_x) 23)), 5965#(or (<= (select main_a main_x) 24) (= main_x main_y)), 5966#(or (= main_x main_y) (<= (select main_a main_x) 25)), 5967#(or (<= (select main_a main_x) 26) (= main_x main_y)), 5968#(or (<= (select main_a main_x) 27) (= main_x main_y)), 5969#(or (<= (select main_a main_x) 28) (= main_x main_y)), 5970#(or (<= (select main_a main_x) 29) (= main_x main_y)), 5971#(or (= main_x main_y) (<= (select main_a main_x) 30)), 5972#(or (<= (select main_a main_x) 31) (= main_x main_y)), 5973#(or (<= (select main_a main_x) 32) (= main_x main_y)), 5974#(or (<= (select main_a main_x) 33) (= main_x main_y)), 5975#(or (<= (select main_a main_x) 34) (= main_x main_y)), 5976#(or (<= (select main_a main_x) 35) (= main_x main_y)), 5977#(or (<= (select main_a main_x) 36) (= main_x main_y)), 5978#(or (<= (select main_a main_x) 37) (= main_x main_y)), 5979#(or (<= (select main_a main_x) 38) (= main_x main_y)), 5980#(or (<= (select main_a main_x) 39) (= main_x main_y)), 5981#(or (<= (select main_a main_x) 40) (= main_x main_y)), 5982#(or (<= (select main_a main_x) 41) (= main_x main_y)), 5983#(or (<= (select main_a main_x) 42) (= main_x main_y)), 5984#(or (= main_x main_y) (<= (select main_a main_x) 43)), 5985#(or (not (= (select main_a main_x) 1000)) (= main_x main_y)), 5939#true, 5940#false, 5941#(or (= 0 (select main_a main_x)) (= main_x main_y)), 5942#(or (<= (select main_a main_x) 1) (= main_x main_y)), 5943#(or (= main_x main_y) (<= (select main_a main_x) 2)), 5944#(or (= main_x main_y) (<= (select main_a main_x) 3)), 5945#(or (<= (select main_a main_x) 4) (= main_x main_y)), 5946#(or (<= (select main_a main_x) 5) (= main_x main_y)), 5947#(or (<= (select main_a main_x) 6) (= main_x main_y)), 5948#(or (<= (select main_a main_x) 7) (= main_x main_y)), 5949#(or (<= (select main_a main_x) 8) (= main_x main_y)), 5950#(or (= main_x main_y) (<= (select main_a main_x) 9)), 5951#(or (= main_x main_y) (<= (select main_a main_x) 10))] [2018-07-23 13:56:04,014 INFO L134 CoverageAnalysis]: Checked inductivity of 990 backedges. 0 proven. 990 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-07-23 13:56:04,014 INFO L450 AbstractCegarLoop]: Interpolant automaton has 47 states [2018-07-23 13:56:04,015 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 47 interpolants. [2018-07-23 13:56:04,015 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=1081, Invalid=1081, Unknown=0, NotChecked=0, Total=2162 [2018-07-23 13:56:04,016 INFO L87 Difference]: Start difference. First operand 48 states and 48 transitions. Second operand 47 states. [2018-07-23 13:56:04,058 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-07-23 13:56:04,058 INFO L93 Difference]: Finished difference Result 51 states and 51 transitions. [2018-07-23 13:56:04,059 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 47 states. [2018-07-23 13:56:04,059 INFO L78 Accepts]: Start accepts. Automaton has 47 states. Word has length 47 [2018-07-23 13:56:04,059 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-07-23 13:56:04,059 INFO L225 Difference]: With dead ends: 51 [2018-07-23 13:56:04,060 INFO L226 Difference]: Without dead ends: 49 [2018-07-23 13:56:04,061 INFO L575 BasicCegarLoop]: 0 DeclaredPredicates, 46 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 45 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=1081, Invalid=1081, Unknown=0, NotChecked=0, Total=2162 [2018-07-23 13:56:04,061 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 49 states. [2018-07-23 13:56:04,068 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 49 to 49. [2018-07-23 13:56:04,068 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 49 states. [2018-07-23 13:56:04,068 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 49 states to 49 states and 49 transitions. [2018-07-23 13:56:04,068 INFO L78 Accepts]: Start accepts. Automaton has 49 states and 49 transitions. Word has length 47 [2018-07-23 13:56:04,069 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-07-23 13:56:04,069 INFO L471 AbstractCegarLoop]: Abstraction has 49 states and 49 transitions. [2018-07-23 13:56:04,069 INFO L472 AbstractCegarLoop]: Interpolant automaton has 47 states. [2018-07-23 13:56:04,069 INFO L276 IsEmpty]: Start isEmpty. Operand 49 states and 49 transitions. [2018-07-23 13:56:04,069 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 49 [2018-07-23 13:56:04,069 INFO L349 BasicCegarLoop]: Found error trace [2018-07-23 13:56:04,070 INFO L357 BasicCegarLoop]: trace histogram [45, 1, 1, 1] [2018-07-23 13:56:04,070 INFO L414 AbstractCegarLoop]: === Iteration 46 === [mainErr0AssertViolationASSERT]=== [2018-07-23 13:56:04,070 INFO L82 PathProgramCache]: Analyzing trace with hash 1839505158, now seen corresponding path program 45 times [2018-07-23 13:56:04,070 INFO L69 tionRefinementEngine]: Using refinement strategy FixedRefinementStrategy [2018-07-23 13:56:04,102 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-07-23 13:56:04,435 INFO L134 CoverageAnalysis]: Checked inductivity of 1035 backedges. 0 proven. 1035 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-07-23 13:56:04,436 INFO L309 seRefinementStrategy]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2018-07-23 13:56:04,436 INFO L324 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [47] total 47 [2018-07-23 13:56:04,436 INFO L142 lantAutomatonBuilder]: Constructing canonical interpolant automaton, with selfloop in false state [2018-07-23 13:56:04,436 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-07-23 13:56:04,437 INFO L185 omatonBuilderFactory]: Interpolants [6208#(or (= main_x main_y) (<= (select main_a main_x) 20)), 6209#(or (<= (select main_a main_x) 21) (= main_x main_y)), 6210#(or (= main_x main_y) (<= (select main_a main_x) 22)), 6211#(or (= main_x main_y) (<= (select main_a main_x) 23)), 6212#(or (<= (select main_a main_x) 24) (= main_x main_y)), 6213#(or (= main_x main_y) (<= (select main_a main_x) 25)), 6214#(or (<= (select main_a main_x) 26) (= main_x main_y)), 6215#(or (<= (select main_a main_x) 27) (= main_x main_y)), 6216#(or (<= (select main_a main_x) 28) (= main_x main_y)), 6217#(or (<= (select main_a main_x) 29) (= main_x main_y)), 6218#(or (= main_x main_y) (<= (select main_a main_x) 30)), 6219#(or (<= (select main_a main_x) 31) (= main_x main_y)), 6220#(or (<= (select main_a main_x) 32) (= main_x main_y)), 6221#(or (<= (select main_a main_x) 33) (= main_x main_y)), 6222#(or (<= (select main_a main_x) 34) (= main_x main_y)), 6223#(or (<= (select main_a main_x) 35) (= main_x main_y)), 6224#(or (<= (select main_a main_x) 36) (= main_x main_y)), 6225#(or (<= (select main_a main_x) 37) (= main_x main_y)), 6226#(or (<= (select main_a main_x) 38) (= main_x main_y)), 6227#(or (<= (select main_a main_x) 39) (= main_x main_y)), 6228#(or (<= (select main_a main_x) 40) (= main_x main_y)), 6229#(or (<= (select main_a main_x) 41) (= main_x main_y)), 6230#(or (<= (select main_a main_x) 42) (= main_x main_y)), 6231#(or (= main_x main_y) (<= (select main_a main_x) 43)), 6232#(or (= main_x main_y) (<= (select main_a main_x) 44)), 6233#(or (not (= (select main_a main_x) 1000)) (= main_x main_y)), 6186#true, 6187#false, 6188#(or (= 0 (select main_a main_x)) (= main_x main_y)), 6189#(or (<= (select main_a main_x) 1) (= main_x main_y)), 6190#(or (= main_x main_y) (<= (select main_a main_x) 2)), 6191#(or (= main_x main_y) (<= (select main_a main_x) 3)), 6192#(or (<= (select main_a main_x) 4) (= main_x main_y)), 6193#(or (<= (select main_a main_x) 5) (= main_x main_y)), 6194#(or (<= (select main_a main_x) 6) (= main_x main_y)), 6195#(or (<= (select main_a main_x) 7) (= main_x main_y)), 6196#(or (<= (select main_a main_x) 8) (= main_x main_y)), 6197#(or (= main_x main_y) (<= (select main_a main_x) 9)), 6198#(or (= main_x main_y) (<= (select main_a main_x) 10)), 6199#(or (= main_x main_y) (<= (select main_a main_x) 11)), 6200#(or (<= (select main_a main_x) 12) (= main_x main_y)), 6201#(or (= main_x main_y) (<= (select main_a main_x) 13)), 6202#(or (<= (select main_a main_x) 14) (= main_x main_y)), 6203#(or (<= (select main_a main_x) 15) (= main_x main_y)), 6204#(or (<= (select main_a main_x) 16) (= main_x main_y)), 6205#(or (= main_x main_y) (<= (select main_a main_x) 17)), 6206#(or (<= (select main_a main_x) 18) (= main_x main_y)), 6207#(or (<= (select main_a main_x) 19) (= main_x main_y))] [2018-07-23 13:56:04,437 INFO L134 CoverageAnalysis]: Checked inductivity of 1035 backedges. 0 proven. 1035 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-07-23 13:56:04,437 INFO L450 AbstractCegarLoop]: Interpolant automaton has 48 states [2018-07-23 13:56:04,438 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 48 interpolants. [2018-07-23 13:56:04,438 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=1128, Invalid=1128, Unknown=0, NotChecked=0, Total=2256 [2018-07-23 13:56:04,439 INFO L87 Difference]: Start difference. First operand 49 states and 49 transitions. Second operand 48 states. [2018-07-23 13:56:04,474 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-07-23 13:56:04,474 INFO L93 Difference]: Finished difference Result 52 states and 52 transitions. [2018-07-23 13:56:04,475 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 48 states. [2018-07-23 13:56:04,475 INFO L78 Accepts]: Start accepts. Automaton has 48 states. Word has length 48 [2018-07-23 13:56:04,475 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-07-23 13:56:04,475 INFO L225 Difference]: With dead ends: 52 [2018-07-23 13:56:04,475 INFO L226 Difference]: Without dead ends: 50 [2018-07-23 13:56:04,476 INFO L575 BasicCegarLoop]: 0 DeclaredPredicates, 47 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 46 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=1128, Invalid=1128, Unknown=0, NotChecked=0, Total=2256 [2018-07-23 13:56:04,476 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 50 states. [2018-07-23 13:56:04,482 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 50 to 50. [2018-07-23 13:56:04,483 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 50 states. [2018-07-23 13:56:04,483 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 50 states to 50 states and 50 transitions. [2018-07-23 13:56:04,483 INFO L78 Accepts]: Start accepts. Automaton has 50 states and 50 transitions. Word has length 48 [2018-07-23 13:56:04,483 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-07-23 13:56:04,484 INFO L471 AbstractCegarLoop]: Abstraction has 50 states and 50 transitions. [2018-07-23 13:56:04,484 INFO L472 AbstractCegarLoop]: Interpolant automaton has 48 states. [2018-07-23 13:56:04,484 INFO L276 IsEmpty]: Start isEmpty. Operand 50 states and 50 transitions. [2018-07-23 13:56:04,484 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 50 [2018-07-23 13:56:04,484 INFO L349 BasicCegarLoop]: Found error trace [2018-07-23 13:56:04,484 INFO L357 BasicCegarLoop]: trace histogram [46, 1, 1, 1] [2018-07-23 13:56:04,484 INFO L414 AbstractCegarLoop]: === Iteration 47 === [mainErr0AssertViolationASSERT]=== [2018-07-23 13:56:04,485 INFO L82 PathProgramCache]: Analyzing trace with hash 1190081184, now seen corresponding path program 46 times [2018-07-23 13:56:04,485 INFO L69 tionRefinementEngine]: Using refinement strategy FixedRefinementStrategy [2018-07-23 13:56:04,515 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-07-23 13:56:04,901 INFO L134 CoverageAnalysis]: Checked inductivity of 1081 backedges. 0 proven. 1081 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-07-23 13:56:04,901 INFO L309 seRefinementStrategy]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2018-07-23 13:56:04,901 INFO L324 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [48] total 48 [2018-07-23 13:56:04,902 INFO L142 lantAutomatonBuilder]: Constructing canonical interpolant automaton, with selfloop in false state [2018-07-23 13:56:04,902 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-07-23 13:56:04,903 INFO L185 omatonBuilderFactory]: Interpolants [6438#true, 6439#false, 6440#(or (= 0 (select main_a main_x)) (= main_x main_y)), 6441#(or (<= (select main_a main_x) 1) (= main_x main_y)), 6442#(or (= main_x main_y) (<= (select main_a main_x) 2)), 6443#(or (= main_x main_y) (<= (select main_a main_x) 3)), 6444#(or (<= (select main_a main_x) 4) (= main_x main_y)), 6445#(or (<= (select main_a main_x) 5) (= main_x main_y)), 6446#(or (<= (select main_a main_x) 6) (= main_x main_y)), 6447#(or (<= (select main_a main_x) 7) (= main_x main_y)), 6448#(or (<= (select main_a main_x) 8) (= main_x main_y)), 6449#(or (= main_x main_y) (<= (select main_a main_x) 9)), 6450#(or (= main_x main_y) (<= (select main_a main_x) 10)), 6451#(or (= main_x main_y) (<= (select main_a main_x) 11)), 6452#(or (<= (select main_a main_x) 12) (= main_x main_y)), 6453#(or (= main_x main_y) (<= (select main_a main_x) 13)), 6454#(or (<= (select main_a main_x) 14) (= main_x main_y)), 6455#(or (<= (select main_a main_x) 15) (= main_x main_y)), 6456#(or (<= (select main_a main_x) 16) (= main_x main_y)), 6457#(or (= main_x main_y) (<= (select main_a main_x) 17)), 6458#(or (<= (select main_a main_x) 18) (= main_x main_y)), 6459#(or (<= (select main_a main_x) 19) (= main_x main_y)), 6460#(or (= main_x main_y) (<= (select main_a main_x) 20)), 6461#(or (<= (select main_a main_x) 21) (= main_x main_y)), 6462#(or (= main_x main_y) (<= (select main_a main_x) 22)), 6463#(or (= main_x main_y) (<= (select main_a main_x) 23)), 6464#(or (<= (select main_a main_x) 24) (= main_x main_y)), 6465#(or (= main_x main_y) (<= (select main_a main_x) 25)), 6466#(or (<= (select main_a main_x) 26) (= main_x main_y)), 6467#(or (<= (select main_a main_x) 27) (= main_x main_y)), 6468#(or (<= (select main_a main_x) 28) (= main_x main_y)), 6469#(or (<= (select main_a main_x) 29) (= main_x main_y)), 6470#(or (= main_x main_y) (<= (select main_a main_x) 30)), 6471#(or (<= (select main_a main_x) 31) (= main_x main_y)), 6472#(or (<= (select main_a main_x) 32) (= main_x main_y)), 6473#(or (<= (select main_a main_x) 33) (= main_x main_y)), 6474#(or (<= (select main_a main_x) 34) (= main_x main_y)), 6475#(or (<= (select main_a main_x) 35) (= main_x main_y)), 6476#(or (<= (select main_a main_x) 36) (= main_x main_y)), 6477#(or (<= (select main_a main_x) 37) (= main_x main_y)), 6478#(or (<= (select main_a main_x) 38) (= main_x main_y)), 6479#(or (<= (select main_a main_x) 39) (= main_x main_y)), 6480#(or (<= (select main_a main_x) 40) (= main_x main_y)), 6481#(or (<= (select main_a main_x) 41) (= main_x main_y)), 6482#(or (<= (select main_a main_x) 42) (= main_x main_y)), 6483#(or (= main_x main_y) (<= (select main_a main_x) 43)), 6484#(or (= main_x main_y) (<= (select main_a main_x) 44)), 6485#(or (= main_x main_y) (<= (select main_a main_x) 45)), 6486#(or (not (= (select main_a main_x) 1000)) (= main_x main_y))] [2018-07-23 13:56:04,903 INFO L134 CoverageAnalysis]: Checked inductivity of 1081 backedges. 0 proven. 1081 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-07-23 13:56:04,903 INFO L450 AbstractCegarLoop]: Interpolant automaton has 49 states [2018-07-23 13:56:04,904 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 49 interpolants. [2018-07-23 13:56:04,905 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=1176, Invalid=1176, Unknown=0, NotChecked=0, Total=2352 [2018-07-23 13:56:04,905 INFO L87 Difference]: Start difference. First operand 50 states and 50 transitions. Second operand 49 states. [2018-07-23 13:56:04,945 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-07-23 13:56:04,945 INFO L93 Difference]: Finished difference Result 53 states and 53 transitions. [2018-07-23 13:56:04,945 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 49 states. [2018-07-23 13:56:04,946 INFO L78 Accepts]: Start accepts. Automaton has 49 states. Word has length 49 [2018-07-23 13:56:04,946 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-07-23 13:56:04,946 INFO L225 Difference]: With dead ends: 53 [2018-07-23 13:56:04,947 INFO L226 Difference]: Without dead ends: 51 [2018-07-23 13:56:04,948 INFO L575 BasicCegarLoop]: 0 DeclaredPredicates, 48 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 47 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=1176, Invalid=1176, Unknown=0, NotChecked=0, Total=2352 [2018-07-23 13:56:04,948 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 51 states. [2018-07-23 13:56:04,956 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 51 to 51. [2018-07-23 13:56:04,956 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 51 states. [2018-07-23 13:56:04,957 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 51 states to 51 states and 51 transitions. [2018-07-23 13:56:04,957 INFO L78 Accepts]: Start accepts. Automaton has 51 states and 51 transitions. Word has length 49 [2018-07-23 13:56:04,957 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-07-23 13:56:04,957 INFO L471 AbstractCegarLoop]: Abstraction has 51 states and 51 transitions. [2018-07-23 13:56:04,957 INFO L472 AbstractCegarLoop]: Interpolant automaton has 49 states. [2018-07-23 13:56:04,957 INFO L276 IsEmpty]: Start isEmpty. Operand 51 states and 51 transitions. [2018-07-23 13:56:04,958 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 51 [2018-07-23 13:56:04,958 INFO L349 BasicCegarLoop]: Found error trace [2018-07-23 13:56:04,958 INFO L357 BasicCegarLoop]: trace histogram [47, 1, 1, 1] [2018-07-23 13:56:04,958 INFO L414 AbstractCegarLoop]: === Iteration 48 === [mainErr0AssertViolationASSERT]=== [2018-07-23 13:56:04,959 INFO L82 PathProgramCache]: Analyzing trace with hash -1762192826, now seen corresponding path program 47 times [2018-07-23 13:56:04,959 INFO L69 tionRefinementEngine]: Using refinement strategy FixedRefinementStrategy [2018-07-23 13:56:05,002 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-07-23 13:56:05,381 INFO L134 CoverageAnalysis]: Checked inductivity of 1128 backedges. 0 proven. 1128 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-07-23 13:56:05,381 INFO L309 seRefinementStrategy]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2018-07-23 13:56:05,382 INFO L324 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [49] total 49 [2018-07-23 13:56:05,382 INFO L142 lantAutomatonBuilder]: Constructing canonical interpolant automaton, with selfloop in false state [2018-07-23 13:56:05,382 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-07-23 13:56:05,382 INFO L185 omatonBuilderFactory]: Interpolants [6695#true, 6696#false, 6697#(or (= 0 (select main_a main_x)) (= main_x main_y)), 6698#(or (<= (select main_a main_x) 1) (= main_x main_y)), 6699#(or (= main_x main_y) (<= (select main_a main_x) 2)), 6700#(or (= main_x main_y) (<= (select main_a main_x) 3)), 6701#(or (<= (select main_a main_x) 4) (= main_x main_y)), 6702#(or (<= (select main_a main_x) 5) (= main_x main_y)), 6703#(or (<= (select main_a main_x) 6) (= main_x main_y)), 6704#(or (<= (select main_a main_x) 7) (= main_x main_y)), 6705#(or (<= (select main_a main_x) 8) (= main_x main_y)), 6706#(or (= main_x main_y) (<= (select main_a main_x) 9)), 6707#(or (= main_x main_y) (<= (select main_a main_x) 10)), 6708#(or (= main_x main_y) (<= (select main_a main_x) 11)), 6709#(or (<= (select main_a main_x) 12) (= main_x main_y)), 6710#(or (= main_x main_y) (<= (select main_a main_x) 13)), 6711#(or (<= (select main_a main_x) 14) (= main_x main_y)), 6712#(or (<= (select main_a main_x) 15) (= main_x main_y)), 6713#(or (<= (select main_a main_x) 16) (= main_x main_y)), 6714#(or (= main_x main_y) (<= (select main_a main_x) 17)), 6715#(or (<= (select main_a main_x) 18) (= main_x main_y)), 6716#(or (<= (select main_a main_x) 19) (= main_x main_y)), 6717#(or (= main_x main_y) (<= (select main_a main_x) 20)), 6718#(or (<= (select main_a main_x) 21) (= main_x main_y)), 6719#(or (= main_x main_y) (<= (select main_a main_x) 22)), 6720#(or (= main_x main_y) (<= (select main_a main_x) 23)), 6721#(or (<= (select main_a main_x) 24) (= main_x main_y)), 6722#(or (= main_x main_y) (<= (select main_a main_x) 25)), 6723#(or (<= (select main_a main_x) 26) (= main_x main_y)), 6724#(or (<= (select main_a main_x) 27) (= main_x main_y)), 6725#(or (<= (select main_a main_x) 28) (= main_x main_y)), 6726#(or (<= (select main_a main_x) 29) (= main_x main_y)), 6727#(or (= main_x main_y) (<= (select main_a main_x) 30)), 6728#(or (<= (select main_a main_x) 31) (= main_x main_y)), 6729#(or (<= (select main_a main_x) 32) (= main_x main_y)), 6730#(or (<= (select main_a main_x) 33) (= main_x main_y)), 6731#(or (<= (select main_a main_x) 34) (= main_x main_y)), 6732#(or (<= (select main_a main_x) 35) (= main_x main_y)), 6733#(or (<= (select main_a main_x) 36) (= main_x main_y)), 6734#(or (<= (select main_a main_x) 37) (= main_x main_y)), 6735#(or (<= (select main_a main_x) 38) (= main_x main_y)), 6736#(or (<= (select main_a main_x) 39) (= main_x main_y)), 6737#(or (<= (select main_a main_x) 40) (= main_x main_y)), 6738#(or (<= (select main_a main_x) 41) (= main_x main_y)), 6739#(or (<= (select main_a main_x) 42) (= main_x main_y)), 6740#(or (= main_x main_y) (<= (select main_a main_x) 43)), 6741#(or (= main_x main_y) (<= (select main_a main_x) 44)), 6742#(or (= main_x main_y) (<= (select main_a main_x) 45)), 6743#(or (<= (select main_a main_x) 46) (= main_x main_y)), 6744#(or (not (= (select main_a main_x) 1000)) (= main_x main_y))] [2018-07-23 13:56:05,383 INFO L134 CoverageAnalysis]: Checked inductivity of 1128 backedges. 0 proven. 1128 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-07-23 13:56:05,383 INFO L450 AbstractCegarLoop]: Interpolant automaton has 50 states [2018-07-23 13:56:05,384 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 50 interpolants. [2018-07-23 13:56:05,384 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=1225, Invalid=1225, Unknown=0, NotChecked=0, Total=2450 [2018-07-23 13:56:05,385 INFO L87 Difference]: Start difference. First operand 51 states and 51 transitions. Second operand 50 states. [2018-07-23 13:56:05,419 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-07-23 13:56:05,419 INFO L93 Difference]: Finished difference Result 54 states and 54 transitions. [2018-07-23 13:56:05,419 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 50 states. [2018-07-23 13:56:05,419 INFO L78 Accepts]: Start accepts. Automaton has 50 states. Word has length 50 [2018-07-23 13:56:05,420 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-07-23 13:56:05,420 INFO L225 Difference]: With dead ends: 54 [2018-07-23 13:56:05,420 INFO L226 Difference]: Without dead ends: 52 [2018-07-23 13:56:05,421 INFO L575 BasicCegarLoop]: 0 DeclaredPredicates, 49 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 48 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=1225, Invalid=1225, Unknown=0, NotChecked=0, Total=2450 [2018-07-23 13:56:05,421 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 52 states. [2018-07-23 13:56:05,430 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 52 to 52. [2018-07-23 13:56:05,430 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 52 states. [2018-07-23 13:56:05,431 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 52 states to 52 states and 52 transitions. [2018-07-23 13:56:05,431 INFO L78 Accepts]: Start accepts. Automaton has 52 states and 52 transitions. Word has length 50 [2018-07-23 13:56:05,431 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-07-23 13:56:05,431 INFO L471 AbstractCegarLoop]: Abstraction has 52 states and 52 transitions. [2018-07-23 13:56:05,431 INFO L472 AbstractCegarLoop]: Interpolant automaton has 50 states. [2018-07-23 13:56:05,431 INFO L276 IsEmpty]: Start isEmpty. Operand 52 states and 52 transitions. [2018-07-23 13:56:05,432 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 52 [2018-07-23 13:56:05,432 INFO L349 BasicCegarLoop]: Found error trace [2018-07-23 13:56:05,432 INFO L357 BasicCegarLoop]: trace histogram [48, 1, 1, 1] [2018-07-23 13:56:05,432 INFO L414 AbstractCegarLoop]: === Iteration 49 === [mainErr0AssertViolationASSERT]=== [2018-07-23 13:56:05,432 INFO L82 PathProgramCache]: Analyzing trace with hash 1206593376, now seen corresponding path program 48 times [2018-07-23 13:56:05,433 INFO L69 tionRefinementEngine]: Using refinement strategy FixedRefinementStrategy [2018-07-23 13:56:05,465 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-07-23 13:56:05,773 INFO L134 CoverageAnalysis]: Checked inductivity of 1176 backedges. 0 proven. 1176 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-07-23 13:56:05,773 INFO L309 seRefinementStrategy]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2018-07-23 13:56:05,774 INFO L324 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [50] total 50 [2018-07-23 13:56:05,774 INFO L142 lantAutomatonBuilder]: Constructing canonical interpolant automaton, with selfloop in false state [2018-07-23 13:56:05,774 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-07-23 13:56:05,775 INFO L185 omatonBuilderFactory]: Interpolants [6957#true, 6958#false, 6959#(or (= 0 (select main_a main_x)) (= main_x main_y)), 6960#(or (<= (select main_a main_x) 1) (= main_x main_y)), 6961#(or (= main_x main_y) (<= (select main_a main_x) 2)), 6962#(or (= main_x main_y) (<= (select main_a main_x) 3)), 6963#(or (<= (select main_a main_x) 4) (= main_x main_y)), 6964#(or (<= (select main_a main_x) 5) (= main_x main_y)), 6965#(or (<= (select main_a main_x) 6) (= main_x main_y)), 6966#(or (<= (select main_a main_x) 7) (= main_x main_y)), 6967#(or (<= (select main_a main_x) 8) (= main_x main_y)), 6968#(or (= main_x main_y) (<= (select main_a main_x) 9)), 6969#(or (= main_x main_y) (<= (select main_a main_x) 10)), 6970#(or (= main_x main_y) (<= (select main_a main_x) 11)), 6971#(or (<= (select main_a main_x) 12) (= main_x main_y)), 6972#(or (= main_x main_y) (<= (select main_a main_x) 13)), 6973#(or (<= (select main_a main_x) 14) (= main_x main_y)), 6974#(or (<= (select main_a main_x) 15) (= main_x main_y)), 6975#(or (<= (select main_a main_x) 16) (= main_x main_y)), 6976#(or (= main_x main_y) (<= (select main_a main_x) 17)), 6977#(or (<= (select main_a main_x) 18) (= main_x main_y)), 6978#(or (<= (select main_a main_x) 19) (= main_x main_y)), 6979#(or (= main_x main_y) (<= (select main_a main_x) 20)), 6980#(or (<= (select main_a main_x) 21) (= main_x main_y)), 6981#(or (= main_x main_y) (<= (select main_a main_x) 22)), 6982#(or (= main_x main_y) (<= (select main_a main_x) 23)), 6983#(or (<= (select main_a main_x) 24) (= main_x main_y)), 6984#(or (= main_x main_y) (<= (select main_a main_x) 25)), 6985#(or (<= (select main_a main_x) 26) (= main_x main_y)), 6986#(or (<= (select main_a main_x) 27) (= main_x main_y)), 6987#(or (<= (select main_a main_x) 28) (= main_x main_y)), 6988#(or (<= (select main_a main_x) 29) (= main_x main_y)), 6989#(or (= main_x main_y) (<= (select main_a main_x) 30)), 6990#(or (<= (select main_a main_x) 31) (= main_x main_y)), 6991#(or (<= (select main_a main_x) 32) (= main_x main_y)), 6992#(or (<= (select main_a main_x) 33) (= main_x main_y)), 6993#(or (<= (select main_a main_x) 34) (= main_x main_y)), 6994#(or (<= (select main_a main_x) 35) (= main_x main_y)), 6995#(or (<= (select main_a main_x) 36) (= main_x main_y)), 6996#(or (<= (select main_a main_x) 37) (= main_x main_y)), 6997#(or (<= (select main_a main_x) 38) (= main_x main_y)), 6998#(or (<= (select main_a main_x) 39) (= main_x main_y)), 6999#(or (<= (select main_a main_x) 40) (= main_x main_y)), 7000#(or (<= (select main_a main_x) 41) (= main_x main_y)), 7001#(or (<= (select main_a main_x) 42) (= main_x main_y)), 7002#(or (= main_x main_y) (<= (select main_a main_x) 43)), 7003#(or (= main_x main_y) (<= (select main_a main_x) 44)), 7004#(or (= main_x main_y) (<= (select main_a main_x) 45)), 7005#(or (<= (select main_a main_x) 46) (= main_x main_y)), 7006#(or (<= (select main_a main_x) 47) (= main_x main_y)), 7007#(or (not (= (select main_a main_x) 1000)) (= main_x main_y))] [2018-07-23 13:56:05,775 INFO L134 CoverageAnalysis]: Checked inductivity of 1176 backedges. 0 proven. 1176 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-07-23 13:56:05,775 INFO L450 AbstractCegarLoop]: Interpolant automaton has 51 states [2018-07-23 13:56:05,776 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 51 interpolants. [2018-07-23 13:56:05,776 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=1275, Invalid=1275, Unknown=0, NotChecked=0, Total=2550 [2018-07-23 13:56:05,777 INFO L87 Difference]: Start difference. First operand 52 states and 52 transitions. Second operand 51 states. [2018-07-23 13:56:05,820 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-07-23 13:56:05,820 INFO L93 Difference]: Finished difference Result 55 states and 55 transitions. [2018-07-23 13:56:05,820 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 51 states. [2018-07-23 13:56:05,820 INFO L78 Accepts]: Start accepts. Automaton has 51 states. Word has length 51 [2018-07-23 13:56:05,821 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-07-23 13:56:05,821 INFO L225 Difference]: With dead ends: 55 [2018-07-23 13:56:05,821 INFO L226 Difference]: Without dead ends: 53 [2018-07-23 13:56:05,822 INFO L575 BasicCegarLoop]: 0 DeclaredPredicates, 50 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 49 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=1275, Invalid=1275, Unknown=0, NotChecked=0, Total=2550 [2018-07-23 13:56:05,822 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 53 states. [2018-07-23 13:56:05,831 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 53 to 53. [2018-07-23 13:56:05,831 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 53 states. [2018-07-23 13:56:05,831 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 53 states to 53 states and 53 transitions. [2018-07-23 13:56:05,831 INFO L78 Accepts]: Start accepts. Automaton has 53 states and 53 transitions. Word has length 51 [2018-07-23 13:56:05,832 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-07-23 13:56:05,832 INFO L471 AbstractCegarLoop]: Abstraction has 53 states and 53 transitions. [2018-07-23 13:56:05,832 INFO L472 AbstractCegarLoop]: Interpolant automaton has 51 states. [2018-07-23 13:56:05,832 INFO L276 IsEmpty]: Start isEmpty. Operand 53 states and 53 transitions. [2018-07-23 13:56:05,832 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 53 [2018-07-23 13:56:05,833 INFO L349 BasicCegarLoop]: Found error trace [2018-07-23 13:56:05,833 INFO L357 BasicCegarLoop]: trace histogram [49, 1, 1, 1] [2018-07-23 13:56:05,833 INFO L414 AbstractCegarLoop]: === Iteration 50 === [mainErr0AssertViolationASSERT]=== [2018-07-23 13:56:05,833 INFO L82 PathProgramCache]: Analyzing trace with hash -1250314874, now seen corresponding path program 49 times [2018-07-23 13:56:05,834 INFO L69 tionRefinementEngine]: Using refinement strategy FixedRefinementStrategy [2018-07-23 13:56:05,869 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-07-23 13:56:06,206 INFO L134 CoverageAnalysis]: Checked inductivity of 1225 backedges. 0 proven. 1225 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-07-23 13:56:06,206 INFO L309 seRefinementStrategy]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2018-07-23 13:56:06,206 INFO L324 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [51] total 51 [2018-07-23 13:56:06,207 INFO L142 lantAutomatonBuilder]: Constructing canonical interpolant automaton, with selfloop in false state [2018-07-23 13:56:06,207 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 13:56:06,207 INFO L185 omatonBuilderFactory]: Interpolants [7224#true, 7225#false, 7226#(or (= 0 (select main_a main_x)) (= main_x main_y)), 7227#(or (<= (select main_a main_x) 1) (= main_x main_y)), 7228#(or (= main_x main_y) (<= (select main_a main_x) 2)), 7229#(or (= main_x main_y) (<= (select main_a main_x) 3)), 7230#(or (<= (select main_a main_x) 4) (= main_x main_y)), 7231#(or (<= (select main_a main_x) 5) (= main_x main_y)), 7232#(or (<= (select main_a main_x) 6) (= main_x main_y)), 7233#(or (<= (select main_a main_x) 7) (= main_x main_y)), 7234#(or (<= (select main_a main_x) 8) (= main_x main_y)), 7235#(or (= main_x main_y) (<= (select main_a main_x) 9)), 7236#(or (= main_x main_y) (<= (select main_a main_x) 10)), 7237#(or (= main_x main_y) (<= (select main_a main_x) 11)), 7238#(or (<= (select main_a main_x) 12) (= main_x main_y)), 7239#(or (= main_x main_y) (<= (select main_a main_x) 13)), 7240#(or (<= (select main_a main_x) 14) (= main_x main_y)), 7241#(or (<= (select main_a main_x) 15) (= main_x main_y)), 7242#(or (<= (select main_a main_x) 16) (= main_x main_y)), 7243#(or (= main_x main_y) (<= (select main_a main_x) 17)), 7244#(or (<= (select main_a main_x) 18) (= main_x main_y)), 7245#(or (<= (select main_a main_x) 19) (= main_x main_y)), 7246#(or (= main_x main_y) (<= (select main_a main_x) 20)), 7247#(or (<= (select main_a main_x) 21) (= main_x main_y)), 7248#(or (= main_x main_y) (<= (select main_a main_x) 22)), 7249#(or (= main_x main_y) (<= (select main_a main_x) 23)), 7250#(or (<= (select main_a main_x) 24) (= main_x main_y)), 7251#(or (= main_x main_y) (<= (select main_a main_x) 25)), 7252#(or (<= (select main_a main_x) 26) (= main_x main_y)), 7253#(or (<= (select main_a main_x) 27) (= main_x main_y)), 7254#(or (<= (select main_a main_x) 28) (= main_x main_y)), 7255#(or (<= (select main_a main_x) 29) (= main_x main_y)), 7256#(or (= main_x main_y) (<= (select main_a main_x) 30)), 7257#(or (<= (select main_a main_x) 31) (= main_x main_y)), 7258#(or (<= (select main_a main_x) 32) (= main_x main_y)), 7259#(or (<= (select main_a main_x) 33) (= main_x main_y)), 7260#(or (<= (select main_a main_x) 34) (= main_x main_y)), 7261#(or (<= (select main_a main_x) 35) (= main_x main_y)), 7262#(or (<= (select main_a main_x) 36) (= main_x main_y)), 7263#(or (<= (select main_a main_x) 37) (= main_x main_y)), 7264#(or (<= (select main_a main_x) 38) (= main_x main_y)), 7265#(or (<= (select main_a main_x) 39) (= main_x main_y)), 7266#(or (<= (select main_a main_x) 40) (= main_x main_y)), 7267#(or (<= (select main_a main_x) 41) (= main_x main_y)), 7268#(or (<= (select main_a main_x) 42) (= main_x main_y)), 7269#(or (= main_x main_y) (<= (select main_a main_x) 43)), 7270#(or (= main_x main_y) (<= (select main_a main_x) 44)), 7271#(or (= main_x main_y) (<= (select main_a main_x) 45)), 7272#(or (<= (select main_a main_x) 46) (= main_x main_y)), 7273#(or (<= (select main_a main_x) 47) (= main_x main_y)), 7274#(or (<= (select main_a main_x) 48) (= main_x main_y)), 7275#(or (not (= (select main_a main_x) 1000)) (= main_x main_y))] [2018-07-23 13:56:06,208 INFO L134 CoverageAnalysis]: Checked inductivity of 1225 backedges. 0 proven. 1225 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-07-23 13:56:06,208 INFO L450 AbstractCegarLoop]: Interpolant automaton has 52 states [2018-07-23 13:56:06,208 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 52 interpolants. [2018-07-23 13:56:06,209 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=1326, Invalid=1326, Unknown=0, NotChecked=0, Total=2652 [2018-07-23 13:56:06,209 INFO L87 Difference]: Start difference. First operand 53 states and 53 transitions. Second operand 52 states. [2018-07-23 13:56:06,256 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-07-23 13:56:06,257 INFO L93 Difference]: Finished difference Result 56 states and 56 transitions. [2018-07-23 13:56:06,257 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 52 states. [2018-07-23 13:56:06,257 INFO L78 Accepts]: Start accepts. Automaton has 52 states. Word has length 52 [2018-07-23 13:56:06,257 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-07-23 13:56:06,258 INFO L225 Difference]: With dead ends: 56 [2018-07-23 13:56:06,258 INFO L226 Difference]: Without dead ends: 54 [2018-07-23 13:56:06,258 INFO L575 BasicCegarLoop]: 0 DeclaredPredicates, 51 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 50 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=1326, Invalid=1326, Unknown=0, NotChecked=0, Total=2652 [2018-07-23 13:56:06,259 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 54 states. [2018-07-23 13:56:06,266 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 54 to 54. [2018-07-23 13:56:06,266 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 54 states. [2018-07-23 13:56:06,266 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 54 states to 54 states and 54 transitions. [2018-07-23 13:56:06,266 INFO L78 Accepts]: Start accepts. Automaton has 54 states and 54 transitions. Word has length 52 [2018-07-23 13:56:06,267 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-07-23 13:56:06,267 INFO L471 AbstractCegarLoop]: Abstraction has 54 states and 54 transitions. [2018-07-23 13:56:06,267 INFO L472 AbstractCegarLoop]: Interpolant automaton has 52 states. [2018-07-23 13:56:06,267 INFO L276 IsEmpty]: Start isEmpty. Operand 54 states and 54 transitions. [2018-07-23 13:56:06,267 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 54 [2018-07-23 13:56:06,267 INFO L349 BasicCegarLoop]: Found error trace [2018-07-23 13:56:06,268 INFO L357 BasicCegarLoop]: trace histogram [50, 1, 1, 1] [2018-07-23 13:56:06,268 INFO L414 AbstractCegarLoop]: === Iteration 51 === [mainErr0AssertViolationASSERT]=== [2018-07-23 13:56:06,268 INFO L82 PathProgramCache]: Analyzing trace with hash -105059296, now seen corresponding path program 50 times [2018-07-23 13:56:06,268 INFO L69 tionRefinementEngine]: Using refinement strategy FixedRefinementStrategy [2018-07-23 13:56:06,306 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-07-23 13:56:06,656 INFO L134 CoverageAnalysis]: Checked inductivity of 1275 backedges. 0 proven. 1275 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-07-23 13:56:06,656 INFO L309 seRefinementStrategy]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2018-07-23 13:56:06,656 INFO L324 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [52] total 52 [2018-07-23 13:56:06,657 INFO L142 lantAutomatonBuilder]: Constructing canonical interpolant automaton, with selfloop in false state [2018-07-23 13:56:06,657 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 13:56:06,657 INFO L185 omatonBuilderFactory]: Interpolants [7496#true, 7497#false, 7498#(or (= 0 (select main_a main_x)) (= main_x main_y)), 7499#(or (<= (select main_a main_x) 1) (= main_x main_y)), 7500#(or (= main_x main_y) (<= (select main_a main_x) 2)), 7501#(or (= main_x main_y) (<= (select main_a main_x) 3)), 7502#(or (<= (select main_a main_x) 4) (= main_x main_y)), 7503#(or (<= (select main_a main_x) 5) (= main_x main_y)), 7504#(or (<= (select main_a main_x) 6) (= main_x main_y)), 7505#(or (<= (select main_a main_x) 7) (= main_x main_y)), 7506#(or (<= (select main_a main_x) 8) (= main_x main_y)), 7507#(or (= main_x main_y) (<= (select main_a main_x) 9)), 7508#(or (= main_x main_y) (<= (select main_a main_x) 10)), 7509#(or (= main_x main_y) (<= (select main_a main_x) 11)), 7510#(or (<= (select main_a main_x) 12) (= main_x main_y)), 7511#(or (= main_x main_y) (<= (select main_a main_x) 13)), 7512#(or (<= (select main_a main_x) 14) (= main_x main_y)), 7513#(or (<= (select main_a main_x) 15) (= main_x main_y)), 7514#(or (<= (select main_a main_x) 16) (= main_x main_y)), 7515#(or (= main_x main_y) (<= (select main_a main_x) 17)), 7516#(or (<= (select main_a main_x) 18) (= main_x main_y)), 7517#(or (<= (select main_a main_x) 19) (= main_x main_y)), 7518#(or (= main_x main_y) (<= (select main_a main_x) 20)), 7519#(or (<= (select main_a main_x) 21) (= main_x main_y)), 7520#(or (= main_x main_y) (<= (select main_a main_x) 22)), 7521#(or (= main_x main_y) (<= (select main_a main_x) 23)), 7522#(or (<= (select main_a main_x) 24) (= main_x main_y)), 7523#(or (= main_x main_y) (<= (select main_a main_x) 25)), 7524#(or (<= (select main_a main_x) 26) (= main_x main_y)), 7525#(or (<= (select main_a main_x) 27) (= main_x main_y)), 7526#(or (<= (select main_a main_x) 28) (= main_x main_y)), 7527#(or (<= (select main_a main_x) 29) (= main_x main_y)), 7528#(or (= main_x main_y) (<= (select main_a main_x) 30)), 7529#(or (<= (select main_a main_x) 31) (= main_x main_y)), 7530#(or (<= (select main_a main_x) 32) (= main_x main_y)), 7531#(or (<= (select main_a main_x) 33) (= main_x main_y)), 7532#(or (<= (select main_a main_x) 34) (= main_x main_y)), 7533#(or (<= (select main_a main_x) 35) (= main_x main_y)), 7534#(or (<= (select main_a main_x) 36) (= main_x main_y)), 7535#(or (<= (select main_a main_x) 37) (= main_x main_y)), 7536#(or (<= (select main_a main_x) 38) (= main_x main_y)), 7537#(or (<= (select main_a main_x) 39) (= main_x main_y)), 7538#(or (<= (select main_a main_x) 40) (= main_x main_y)), 7539#(or (<= (select main_a main_x) 41) (= main_x main_y)), 7540#(or (<= (select main_a main_x) 42) (= main_x main_y)), 7541#(or (= main_x main_y) (<= (select main_a main_x) 43)), 7542#(or (= main_x main_y) (<= (select main_a main_x) 44)), 7543#(or (= main_x main_y) (<= (select main_a main_x) 45)), 7544#(or (<= (select main_a main_x) 46) (= main_x main_y)), 7545#(or (<= (select main_a main_x) 47) (= main_x main_y)), 7546#(or (<= (select main_a main_x) 48) (= main_x main_y)), 7547#(or (<= (select main_a main_x) 49) (= main_x main_y)), 7548#(or (not (= (select main_a main_x) 1000)) (= main_x main_y))] [2018-07-23 13:56:06,658 INFO L134 CoverageAnalysis]: Checked inductivity of 1275 backedges. 0 proven. 1275 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-07-23 13:56:06,661 INFO L450 AbstractCegarLoop]: Interpolant automaton has 53 states [2018-07-23 13:56:06,662 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 53 interpolants. [2018-07-23 13:56:06,663 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=1378, Invalid=1378, Unknown=0, NotChecked=0, Total=2756 [2018-07-23 13:56:06,663 INFO L87 Difference]: Start difference. First operand 54 states and 54 transitions. Second operand 53 states. [2018-07-23 13:56:06,718 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-07-23 13:56:06,718 INFO L93 Difference]: Finished difference Result 57 states and 57 transitions. [2018-07-23 13:56:06,718 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 53 states. [2018-07-23 13:56:06,718 INFO L78 Accepts]: Start accepts. Automaton has 53 states. Word has length 53 [2018-07-23 13:56:06,718 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-07-23 13:56:06,719 INFO L225 Difference]: With dead ends: 57 [2018-07-23 13:56:06,719 INFO L226 Difference]: Without dead ends: 55 [2018-07-23 13:56:06,720 INFO L575 BasicCegarLoop]: 0 DeclaredPredicates, 52 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 51 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=1378, Invalid=1378, Unknown=0, NotChecked=0, Total=2756 [2018-07-23 13:56:06,720 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 55 states. [2018-07-23 13:56:06,731 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 55 to 55. [2018-07-23 13:56:06,731 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 55 states. [2018-07-23 13:56:06,732 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 55 states to 55 states and 55 transitions. [2018-07-23 13:56:06,732 INFO L78 Accepts]: Start accepts. Automaton has 55 states and 55 transitions. Word has length 53 [2018-07-23 13:56:06,732 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-07-23 13:56:06,732 INFO L471 AbstractCegarLoop]: Abstraction has 55 states and 55 transitions. [2018-07-23 13:56:06,732 INFO L472 AbstractCegarLoop]: Interpolant automaton has 53 states. [2018-07-23 13:56:06,733 INFO L276 IsEmpty]: Start isEmpty. Operand 55 states and 55 transitions. [2018-07-23 13:56:06,733 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 55 [2018-07-23 13:56:06,733 INFO L349 BasicCegarLoop]: Found error trace [2018-07-23 13:56:06,733 INFO L357 BasicCegarLoop]: trace histogram [51, 1, 1, 1] [2018-07-23 13:56:06,733 INFO L414 AbstractCegarLoop]: === Iteration 52 === [mainErr0AssertViolationASSERT]=== [2018-07-23 13:56:06,734 INFO L82 PathProgramCache]: Analyzing trace with hash 1038125254, now seen corresponding path program 51 times [2018-07-23 13:56:06,734 INFO L69 tionRefinementEngine]: Using refinement strategy FixedRefinementStrategy [2018-07-23 13:56:06,771 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-07-23 13:56:07,135 INFO L134 CoverageAnalysis]: Checked inductivity of 1326 backedges. 0 proven. 1326 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-07-23 13:56:07,135 INFO L309 seRefinementStrategy]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2018-07-23 13:56:07,135 INFO L324 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [53] total 53 [2018-07-23 13:56:07,135 INFO L142 lantAutomatonBuilder]: Constructing canonical interpolant automaton, with selfloop in false state [2018-07-23 13:56:07,136 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 13:56:07,136 INFO L185 omatonBuilderFactory]: Interpolants [7808#(or (<= (select main_a main_x) 33) (= main_x main_y)), 7809#(or (<= (select main_a main_x) 34) (= main_x main_y)), 7810#(or (<= (select main_a main_x) 35) (= main_x main_y)), 7811#(or (<= (select main_a main_x) 36) (= main_x main_y)), 7812#(or (<= (select main_a main_x) 37) (= main_x main_y)), 7813#(or (<= (select main_a main_x) 38) (= main_x main_y)), 7814#(or (<= (select main_a main_x) 39) (= main_x main_y)), 7815#(or (<= (select main_a main_x) 40) (= main_x main_y)), 7816#(or (<= (select main_a main_x) 41) (= main_x main_y)), 7817#(or (<= (select main_a main_x) 42) (= main_x main_y)), 7818#(or (= main_x main_y) (<= (select main_a main_x) 43)), 7819#(or (= main_x main_y) (<= (select main_a main_x) 44)), 7820#(or (= main_x main_y) (<= (select main_a main_x) 45)), 7821#(or (<= (select main_a main_x) 46) (= main_x main_y)), 7822#(or (<= (select main_a main_x) 47) (= main_x main_y)), 7823#(or (<= (select main_a main_x) 48) (= main_x main_y)), 7824#(or (<= (select main_a main_x) 49) (= main_x main_y)), 7825#(or (<= (select main_a main_x) 50) (= main_x main_y)), 7826#(or (not (= (select main_a main_x) 1000)) (= main_x main_y)), 7773#true, 7774#false, 7775#(or (= 0 (select main_a main_x)) (= main_x main_y)), 7776#(or (<= (select main_a main_x) 1) (= main_x main_y)), 7777#(or (= main_x main_y) (<= (select main_a main_x) 2)), 7778#(or (= main_x main_y) (<= (select main_a main_x) 3)), 7779#(or (<= (select main_a main_x) 4) (= main_x main_y)), 7780#(or (<= (select main_a main_x) 5) (= main_x main_y)), 7781#(or (<= (select main_a main_x) 6) (= main_x main_y)), 7782#(or (<= (select main_a main_x) 7) (= main_x main_y)), 7783#(or (<= (select main_a main_x) 8) (= main_x main_y)), 7784#(or (= main_x main_y) (<= (select main_a main_x) 9)), 7785#(or (= main_x main_y) (<= (select main_a main_x) 10)), 7786#(or (= main_x main_y) (<= (select main_a main_x) 11)), 7787#(or (<= (select main_a main_x) 12) (= main_x main_y)), 7788#(or (= main_x main_y) (<= (select main_a main_x) 13)), 7789#(or (<= (select main_a main_x) 14) (= main_x main_y)), 7790#(or (<= (select main_a main_x) 15) (= main_x main_y)), 7791#(or (<= (select main_a main_x) 16) (= main_x main_y)), 7792#(or (= main_x main_y) (<= (select main_a main_x) 17)), 7793#(or (<= (select main_a main_x) 18) (= main_x main_y)), 7794#(or (<= (select main_a main_x) 19) (= main_x main_y)), 7795#(or (= main_x main_y) (<= (select main_a main_x) 20)), 7796#(or (<= (select main_a main_x) 21) (= main_x main_y)), 7797#(or (= main_x main_y) (<= (select main_a main_x) 22)), 7798#(or (= main_x main_y) (<= (select main_a main_x) 23)), 7799#(or (<= (select main_a main_x) 24) (= main_x main_y)), 7800#(or (= main_x main_y) (<= (select main_a main_x) 25)), 7801#(or (<= (select main_a main_x) 26) (= main_x main_y)), 7802#(or (<= (select main_a main_x) 27) (= main_x main_y)), 7803#(or (<= (select main_a main_x) 28) (= main_x main_y)), 7804#(or (<= (select main_a main_x) 29) (= main_x main_y)), 7805#(or (= main_x main_y) (<= (select main_a main_x) 30)), 7806#(or (<= (select main_a main_x) 31) (= main_x main_y)), 7807#(or (<= (select main_a main_x) 32) (= main_x main_y))] [2018-07-23 13:56:07,137 INFO L134 CoverageAnalysis]: Checked inductivity of 1326 backedges. 0 proven. 1326 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-07-23 13:56:07,137 INFO L450 AbstractCegarLoop]: Interpolant automaton has 54 states [2018-07-23 13:56:07,137 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 54 interpolants. [2018-07-23 13:56:07,138 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=1431, Invalid=1431, Unknown=0, NotChecked=0, Total=2862 [2018-07-23 13:56:07,138 INFO L87 Difference]: Start difference. First operand 55 states and 55 transitions. Second operand 54 states. [2018-07-23 13:56:07,179 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-07-23 13:56:07,179 INFO L93 Difference]: Finished difference Result 58 states and 58 transitions. [2018-07-23 13:56:07,179 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 54 states. [2018-07-23 13:56:07,179 INFO L78 Accepts]: Start accepts. Automaton has 54 states. Word has length 54 [2018-07-23 13:56:07,180 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-07-23 13:56:07,180 INFO L225 Difference]: With dead ends: 58 [2018-07-23 13:56:07,180 INFO L226 Difference]: Without dead ends: 56 [2018-07-23 13:56:07,181 INFO L575 BasicCegarLoop]: 0 DeclaredPredicates, 53 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 52 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=1431, Invalid=1431, Unknown=0, NotChecked=0, Total=2862 [2018-07-23 13:56:07,181 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 56 states. [2018-07-23 13:56:07,188 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 56 to 56. [2018-07-23 13:56:07,188 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 56 states. [2018-07-23 13:56:07,189 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 56 states to 56 states and 56 transitions. [2018-07-23 13:56:07,189 INFO L78 Accepts]: Start accepts. Automaton has 56 states and 56 transitions. Word has length 54 [2018-07-23 13:56:07,189 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-07-23 13:56:07,189 INFO L471 AbstractCegarLoop]: Abstraction has 56 states and 56 transitions. [2018-07-23 13:56:07,189 INFO L472 AbstractCegarLoop]: Interpolant automaton has 54 states. [2018-07-23 13:56:07,190 INFO L276 IsEmpty]: Start isEmpty. Operand 56 states and 56 transitions. [2018-07-23 13:56:07,190 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 56 [2018-07-23 13:56:07,190 INFO L349 BasicCegarLoop]: Found error trace [2018-07-23 13:56:07,190 INFO L357 BasicCegarLoop]: trace histogram [52, 1, 1, 1] [2018-07-23 13:56:07,190 INFO L414 AbstractCegarLoop]: === Iteration 53 === [mainErr0AssertViolationASSERT]=== [2018-07-23 13:56:07,191 INFO L82 PathProgramCache]: Analyzing trace with hash 2117107936, now seen corresponding path program 52 times [2018-07-23 13:56:07,191 INFO L69 tionRefinementEngine]: Using refinement strategy FixedRefinementStrategy [2018-07-23 13:56:07,228 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-07-23 13:56:07,593 INFO L134 CoverageAnalysis]: Checked inductivity of 1378 backedges. 0 proven. 1378 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-07-23 13:56:07,593 INFO L309 seRefinementStrategy]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2018-07-23 13:56:07,594 INFO L324 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [54] total 54 [2018-07-23 13:56:07,594 INFO L142 lantAutomatonBuilder]: Constructing canonical interpolant automaton, with selfloop in false state [2018-07-23 13:56:07,594 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-07-23 13:56:07,594 INFO L185 omatonBuilderFactory]: Interpolants [8064#(or (<= (select main_a main_x) 7) (= main_x main_y)), 8065#(or (<= (select main_a main_x) 8) (= main_x main_y)), 8066#(or (= main_x main_y) (<= (select main_a main_x) 9)), 8067#(or (= main_x main_y) (<= (select main_a main_x) 10)), 8068#(or (= main_x main_y) (<= (select main_a main_x) 11)), 8069#(or (<= (select main_a main_x) 12) (= main_x main_y)), 8070#(or (= main_x main_y) (<= (select main_a main_x) 13)), 8071#(or (<= (select main_a main_x) 14) (= main_x main_y)), 8072#(or (<= (select main_a main_x) 15) (= main_x main_y)), 8073#(or (<= (select main_a main_x) 16) (= main_x main_y)), 8074#(or (= main_x main_y) (<= (select main_a main_x) 17)), 8075#(or (<= (select main_a main_x) 18) (= main_x main_y)), 8076#(or (<= (select main_a main_x) 19) (= main_x main_y)), 8077#(or (= main_x main_y) (<= (select main_a main_x) 20)), 8078#(or (<= (select main_a main_x) 21) (= main_x main_y)), 8079#(or (= main_x main_y) (<= (select main_a main_x) 22)), 8080#(or (= main_x main_y) (<= (select main_a main_x) 23)), 8081#(or (<= (select main_a main_x) 24) (= main_x main_y)), 8082#(or (= main_x main_y) (<= (select main_a main_x) 25)), 8083#(or (<= (select main_a main_x) 26) (= main_x main_y)), 8084#(or (<= (select main_a main_x) 27) (= main_x main_y)), 8085#(or (<= (select main_a main_x) 28) (= main_x main_y)), 8086#(or (<= (select main_a main_x) 29) (= main_x main_y)), 8087#(or (= main_x main_y) (<= (select main_a main_x) 30)), 8088#(or (<= (select main_a main_x) 31) (= main_x main_y)), 8089#(or (<= (select main_a main_x) 32) (= main_x main_y)), 8090#(or (<= (select main_a main_x) 33) (= main_x main_y)), 8091#(or (<= (select main_a main_x) 34) (= main_x main_y)), 8092#(or (<= (select main_a main_x) 35) (= main_x main_y)), 8093#(or (<= (select main_a main_x) 36) (= main_x main_y)), 8094#(or (<= (select main_a main_x) 37) (= main_x main_y)), 8095#(or (<= (select main_a main_x) 38) (= main_x main_y)), 8096#(or (<= (select main_a main_x) 39) (= main_x main_y)), 8097#(or (<= (select main_a main_x) 40) (= main_x main_y)), 8098#(or (<= (select main_a main_x) 41) (= main_x main_y)), 8099#(or (<= (select main_a main_x) 42) (= main_x main_y)), 8100#(or (= main_x main_y) (<= (select main_a main_x) 43)), 8101#(or (= main_x main_y) (<= (select main_a main_x) 44)), 8102#(or (= main_x main_y) (<= (select main_a main_x) 45)), 8103#(or (<= (select main_a main_x) 46) (= main_x main_y)), 8104#(or (<= (select main_a main_x) 47) (= main_x main_y)), 8105#(or (<= (select main_a main_x) 48) (= main_x main_y)), 8106#(or (<= (select main_a main_x) 49) (= main_x main_y)), 8107#(or (<= (select main_a main_x) 50) (= main_x main_y)), 8108#(or (<= (select main_a main_x) 51) (= main_x main_y)), 8109#(or (not (= (select main_a main_x) 1000)) (= main_x main_y)), 8055#true, 8056#false, 8057#(or (= 0 (select main_a main_x)) (= main_x main_y)), 8058#(or (<= (select main_a main_x) 1) (= main_x main_y)), 8059#(or (= main_x main_y) (<= (select main_a main_x) 2)), 8060#(or (= main_x main_y) (<= (select main_a main_x) 3)), 8061#(or (<= (select main_a main_x) 4) (= main_x main_y)), 8062#(or (<= (select main_a main_x) 5) (= main_x main_y)), 8063#(or (<= (select main_a main_x) 6) (= main_x main_y))] [2018-07-23 13:56:07,595 INFO L134 CoverageAnalysis]: Checked inductivity of 1378 backedges. 0 proven. 1378 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-07-23 13:56:07,595 INFO L450 AbstractCegarLoop]: Interpolant automaton has 55 states [2018-07-23 13:56:07,596 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 55 interpolants. [2018-07-23 13:56:07,596 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=1485, Invalid=1485, Unknown=0, NotChecked=0, Total=2970 [2018-07-23 13:56:07,596 INFO L87 Difference]: Start difference. First operand 56 states and 56 transitions. Second operand 55 states. [2018-07-23 13:56:07,641 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-07-23 13:56:07,642 INFO L93 Difference]: Finished difference Result 59 states and 59 transitions. [2018-07-23 13:56:07,642 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 55 states. [2018-07-23 13:56:07,642 INFO L78 Accepts]: Start accepts. Automaton has 55 states. Word has length 55 [2018-07-23 13:56:07,642 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-07-23 13:56:07,643 INFO L225 Difference]: With dead ends: 59 [2018-07-23 13:56:07,643 INFO L226 Difference]: Without dead ends: 57 [2018-07-23 13:56:07,643 INFO L575 BasicCegarLoop]: 0 DeclaredPredicates, 54 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 53 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=1485, Invalid=1485, Unknown=0, NotChecked=0, Total=2970 [2018-07-23 13:56:07,644 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 57 states. [2018-07-23 13:56:07,650 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 57 to 57. [2018-07-23 13:56:07,651 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 57 states. [2018-07-23 13:56:07,651 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 57 states to 57 states and 57 transitions. [2018-07-23 13:56:07,651 INFO L78 Accepts]: Start accepts. Automaton has 57 states and 57 transitions. Word has length 55 [2018-07-23 13:56:07,651 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-07-23 13:56:07,651 INFO L471 AbstractCegarLoop]: Abstraction has 57 states and 57 transitions. [2018-07-23 13:56:07,652 INFO L472 AbstractCegarLoop]: Interpolant automaton has 55 states. [2018-07-23 13:56:07,652 INFO L276 IsEmpty]: Start isEmpty. Operand 57 states and 57 transitions. [2018-07-23 13:56:07,652 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 57 [2018-07-23 13:56:07,652 INFO L349 BasicCegarLoop]: Found error trace [2018-07-23 13:56:07,652 INFO L357 BasicCegarLoop]: trace histogram [53, 1, 1, 1] [2018-07-23 13:56:07,652 INFO L414 AbstractCegarLoop]: === Iteration 54 === [mainErr0AssertViolationASSERT]=== [2018-07-23 13:56:07,653 INFO L82 PathProgramCache]: Analyzing trace with hash 1205832710, now seen corresponding path program 53 times [2018-07-23 13:56:07,653 INFO L69 tionRefinementEngine]: Using refinement strategy FixedRefinementStrategy [2018-07-23 13:56:07,719 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-07-23 13:56:08,059 INFO L134 CoverageAnalysis]: Checked inductivity of 1431 backedges. 0 proven. 1431 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-07-23 13:56:08,060 INFO L309 seRefinementStrategy]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2018-07-23 13:56:08,060 INFO L324 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [55] total 55 [2018-07-23 13:56:08,060 INFO L142 lantAutomatonBuilder]: Constructing canonical interpolant automaton, with selfloop in false state [2018-07-23 13:56:08,060 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-07-23 13:56:08,061 INFO L185 omatonBuilderFactory]: Interpolants [8342#true, 8343#false, 8344#(or (= 0 (select main_a main_x)) (= main_x main_y)), 8345#(or (<= (select main_a main_x) 1) (= main_x main_y)), 8346#(or (= main_x main_y) (<= (select main_a main_x) 2)), 8347#(or (= main_x main_y) (<= (select main_a main_x) 3)), 8348#(or (<= (select main_a main_x) 4) (= main_x main_y)), 8349#(or (<= (select main_a main_x) 5) (= main_x main_y)), 8350#(or (<= (select main_a main_x) 6) (= main_x main_y)), 8351#(or (<= (select main_a main_x) 7) (= main_x main_y)), 8352#(or (<= (select main_a main_x) 8) (= main_x main_y)), 8353#(or (= main_x main_y) (<= (select main_a main_x) 9)), 8354#(or (= main_x main_y) (<= (select main_a main_x) 10)), 8355#(or (= main_x main_y) (<= (select main_a main_x) 11)), 8356#(or (<= (select main_a main_x) 12) (= main_x main_y)), 8357#(or (= main_x main_y) (<= (select main_a main_x) 13)), 8358#(or (<= (select main_a main_x) 14) (= main_x main_y)), 8359#(or (<= (select main_a main_x) 15) (= main_x main_y)), 8360#(or (<= (select main_a main_x) 16) (= main_x main_y)), 8361#(or (= main_x main_y) (<= (select main_a main_x) 17)), 8362#(or (<= (select main_a main_x) 18) (= main_x main_y)), 8363#(or (<= (select main_a main_x) 19) (= main_x main_y)), 8364#(or (= main_x main_y) (<= (select main_a main_x) 20)), 8365#(or (<= (select main_a main_x) 21) (= main_x main_y)), 8366#(or (= main_x main_y) (<= (select main_a main_x) 22)), 8367#(or (= main_x main_y) (<= (select main_a main_x) 23)), 8368#(or (<= (select main_a main_x) 24) (= main_x main_y)), 8369#(or (= main_x main_y) (<= (select main_a main_x) 25)), 8370#(or (<= (select main_a main_x) 26) (= main_x main_y)), 8371#(or (<= (select main_a main_x) 27) (= main_x main_y)), 8372#(or (<= (select main_a main_x) 28) (= main_x main_y)), 8373#(or (<= (select main_a main_x) 29) (= main_x main_y)), 8374#(or (= main_x main_y) (<= (select main_a main_x) 30)), 8375#(or (<= (select main_a main_x) 31) (= main_x main_y)), 8376#(or (<= (select main_a main_x) 32) (= main_x main_y)), 8377#(or (<= (select main_a main_x) 33) (= main_x main_y)), 8378#(or (<= (select main_a main_x) 34) (= main_x main_y)), 8379#(or (<= (select main_a main_x) 35) (= main_x main_y)), 8380#(or (<= (select main_a main_x) 36) (= main_x main_y)), 8381#(or (<= (select main_a main_x) 37) (= main_x main_y)), 8382#(or (<= (select main_a main_x) 38) (= main_x main_y)), 8383#(or (<= (select main_a main_x) 39) (= main_x main_y)), 8384#(or (<= (select main_a main_x) 40) (= main_x main_y)), 8385#(or (<= (select main_a main_x) 41) (= main_x main_y)), 8386#(or (<= (select main_a main_x) 42) (= main_x main_y)), 8387#(or (= main_x main_y) (<= (select main_a main_x) 43)), 8388#(or (= main_x main_y) (<= (select main_a main_x) 44)), 8389#(or (= main_x main_y) (<= (select main_a main_x) 45)), 8390#(or (<= (select main_a main_x) 46) (= main_x main_y)), 8391#(or (<= (select main_a main_x) 47) (= main_x main_y)), 8392#(or (<= (select main_a main_x) 48) (= main_x main_y)), 8393#(or (<= (select main_a main_x) 49) (= main_x main_y)), 8394#(or (<= (select main_a main_x) 50) (= main_x main_y)), 8395#(or (<= (select main_a main_x) 51) (= main_x main_y)), 8396#(or (= main_x main_y) (<= (select main_a main_x) 52)), 8397#(or (not (= (select main_a main_x) 1000)) (= main_x main_y))] [2018-07-23 13:56:08,061 INFO L134 CoverageAnalysis]: Checked inductivity of 1431 backedges. 0 proven. 1431 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-07-23 13:56:08,061 INFO L450 AbstractCegarLoop]: Interpolant automaton has 56 states [2018-07-23 13:56:08,062 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 56 interpolants. [2018-07-23 13:56:08,062 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=1540, Invalid=1540, Unknown=0, NotChecked=0, Total=3080 [2018-07-23 13:56:08,063 INFO L87 Difference]: Start difference. First operand 57 states and 57 transitions. Second operand 56 states. [2018-07-23 13:56:08,113 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-07-23 13:56:08,113 INFO L93 Difference]: Finished difference Result 60 states and 60 transitions. [2018-07-23 13:56:08,113 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 56 states. [2018-07-23 13:56:08,114 INFO L78 Accepts]: Start accepts. Automaton has 56 states. Word has length 56 [2018-07-23 13:56:08,114 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-07-23 13:56:08,114 INFO L225 Difference]: With dead ends: 60 [2018-07-23 13:56:08,114 INFO L226 Difference]: Without dead ends: 58 [2018-07-23 13:56:08,115 INFO L575 BasicCegarLoop]: 0 DeclaredPredicates, 55 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 54 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=1540, Invalid=1540, Unknown=0, NotChecked=0, Total=3080 [2018-07-23 13:56:08,115 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 58 states. [2018-07-23 13:56:08,122 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 58 to 58. [2018-07-23 13:56:08,123 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 58 states. [2018-07-23 13:56:08,123 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 58 states to 58 states and 58 transitions. [2018-07-23 13:56:08,123 INFO L78 Accepts]: Start accepts. Automaton has 58 states and 58 transitions. Word has length 56 [2018-07-23 13:56:08,123 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-07-23 13:56:08,124 INFO L471 AbstractCegarLoop]: Abstraction has 58 states and 58 transitions. [2018-07-23 13:56:08,124 INFO L472 AbstractCegarLoop]: Interpolant automaton has 56 states. [2018-07-23 13:56:08,124 INFO L276 IsEmpty]: Start isEmpty. Operand 58 states and 58 transitions. [2018-07-23 13:56:08,124 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 58 [2018-07-23 13:56:08,124 INFO L349 BasicCegarLoop]: Found error trace [2018-07-23 13:56:08,124 INFO L357 BasicCegarLoop]: trace histogram [54, 1, 1, 1] [2018-07-23 13:56:08,125 INFO L414 AbstractCegarLoop]: === Iteration 55 === [mainErr0AssertViolationASSERT]=== [2018-07-23 13:56:08,125 INFO L82 PathProgramCache]: Analyzing trace with hash -1273895520, now seen corresponding path program 54 times [2018-07-23 13:56:08,125 INFO L69 tionRefinementEngine]: Using refinement strategy FixedRefinementStrategy [2018-07-23 13:56:08,162 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-07-23 13:56:08,529 INFO L134 CoverageAnalysis]: Checked inductivity of 1485 backedges. 0 proven. 1485 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-07-23 13:56:08,530 INFO L309 seRefinementStrategy]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2018-07-23 13:56:08,530 INFO L324 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [56] total 56 [2018-07-23 13:56:08,530 INFO L142 lantAutomatonBuilder]: Constructing canonical interpolant automaton, with selfloop in false state [2018-07-23 13:56:08,530 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-07-23 13:56:08,531 INFO L185 omatonBuilderFactory]: Interpolants [8634#true, 8635#false, 8636#(or (= 0 (select main_a main_x)) (= main_x main_y)), 8637#(or (<= (select main_a main_x) 1) (= main_x main_y)), 8638#(or (= main_x main_y) (<= (select main_a main_x) 2)), 8639#(or (= main_x main_y) (<= (select main_a main_x) 3)), 8640#(or (<= (select main_a main_x) 4) (= main_x main_y)), 8641#(or (<= (select main_a main_x) 5) (= main_x main_y)), 8642#(or (<= (select main_a main_x) 6) (= main_x main_y)), 8643#(or (<= (select main_a main_x) 7) (= main_x main_y)), 8644#(or (<= (select main_a main_x) 8) (= main_x main_y)), 8645#(or (= main_x main_y) (<= (select main_a main_x) 9)), 8646#(or (= main_x main_y) (<= (select main_a main_x) 10)), 8647#(or (= main_x main_y) (<= (select main_a main_x) 11)), 8648#(or (<= (select main_a main_x) 12) (= main_x main_y)), 8649#(or (= main_x main_y) (<= (select main_a main_x) 13)), 8650#(or (<= (select main_a main_x) 14) (= main_x main_y)), 8651#(or (<= (select main_a main_x) 15) (= main_x main_y)), 8652#(or (<= (select main_a main_x) 16) (= main_x main_y)), 8653#(or (= main_x main_y) (<= (select main_a main_x) 17)), 8654#(or (<= (select main_a main_x) 18) (= main_x main_y)), 8655#(or (<= (select main_a main_x) 19) (= main_x main_y)), 8656#(or (= main_x main_y) (<= (select main_a main_x) 20)), 8657#(or (<= (select main_a main_x) 21) (= main_x main_y)), 8658#(or (= main_x main_y) (<= (select main_a main_x) 22)), 8659#(or (= main_x main_y) (<= (select main_a main_x) 23)), 8660#(or (<= (select main_a main_x) 24) (= main_x main_y)), 8661#(or (= main_x main_y) (<= (select main_a main_x) 25)), 8662#(or (<= (select main_a main_x) 26) (= main_x main_y)), 8663#(or (<= (select main_a main_x) 27) (= main_x main_y)), 8664#(or (<= (select main_a main_x) 28) (= main_x main_y)), 8665#(or (<= (select main_a main_x) 29) (= main_x main_y)), 8666#(or (= main_x main_y) (<= (select main_a main_x) 30)), 8667#(or (<= (select main_a main_x) 31) (= main_x main_y)), 8668#(or (<= (select main_a main_x) 32) (= main_x main_y)), 8669#(or (<= (select main_a main_x) 33) (= main_x main_y)), 8670#(or (<= (select main_a main_x) 34) (= main_x main_y)), 8671#(or (<= (select main_a main_x) 35) (= main_x main_y)), 8672#(or (<= (select main_a main_x) 36) (= main_x main_y)), 8673#(or (<= (select main_a main_x) 37) (= main_x main_y)), 8674#(or (<= (select main_a main_x) 38) (= main_x main_y)), 8675#(or (<= (select main_a main_x) 39) (= main_x main_y)), 8676#(or (<= (select main_a main_x) 40) (= main_x main_y)), 8677#(or (<= (select main_a main_x) 41) (= main_x main_y)), 8678#(or (<= (select main_a main_x) 42) (= main_x main_y)), 8679#(or (= main_x main_y) (<= (select main_a main_x) 43)), 8680#(or (= main_x main_y) (<= (select main_a main_x) 44)), 8681#(or (= main_x main_y) (<= (select main_a main_x) 45)), 8682#(or (<= (select main_a main_x) 46) (= main_x main_y)), 8683#(or (<= (select main_a main_x) 47) (= main_x main_y)), 8684#(or (<= (select main_a main_x) 48) (= main_x main_y)), 8685#(or (<= (select main_a main_x) 49) (= main_x main_y)), 8686#(or (<= (select main_a main_x) 50) (= main_x main_y)), 8687#(or (<= (select main_a main_x) 51) (= main_x main_y)), 8688#(or (= main_x main_y) (<= (select main_a main_x) 52)), 8689#(or (<= (select main_a main_x) 53) (= main_x main_y)), 8690#(or (not (= (select main_a main_x) 1000)) (= main_x main_y))] [2018-07-23 13:56:08,531 INFO L134 CoverageAnalysis]: Checked inductivity of 1485 backedges. 0 proven. 1485 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-07-23 13:56:08,531 INFO L450 AbstractCegarLoop]: Interpolant automaton has 57 states [2018-07-23 13:56:08,532 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 57 interpolants. [2018-07-23 13:56:08,532 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=1596, Invalid=1596, Unknown=0, NotChecked=0, Total=3192 [2018-07-23 13:56:08,532 INFO L87 Difference]: Start difference. First operand 58 states and 58 transitions. Second operand 57 states. [2018-07-23 13:56:08,584 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-07-23 13:56:08,584 INFO L93 Difference]: Finished difference Result 61 states and 61 transitions. [2018-07-23 13:56:08,584 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 57 states. [2018-07-23 13:56:08,584 INFO L78 Accepts]: Start accepts. Automaton has 57 states. Word has length 57 [2018-07-23 13:56:08,584 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-07-23 13:56:08,585 INFO L225 Difference]: With dead ends: 61 [2018-07-23 13:56:08,585 INFO L226 Difference]: Without dead ends: 59 [2018-07-23 13:56:08,586 INFO L575 BasicCegarLoop]: 0 DeclaredPredicates, 56 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 55 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=1596, Invalid=1596, Unknown=0, NotChecked=0, Total=3192 [2018-07-23 13:56:08,586 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 59 states. [2018-07-23 13:56:08,593 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 59 to 59. [2018-07-23 13:56:08,593 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 59 states. [2018-07-23 13:56:08,593 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 59 states to 59 states and 59 transitions. [2018-07-23 13:56:08,593 INFO L78 Accepts]: Start accepts. Automaton has 59 states and 59 transitions. Word has length 57 [2018-07-23 13:56:08,593 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-07-23 13:56:08,593 INFO L471 AbstractCegarLoop]: Abstraction has 59 states and 59 transitions. [2018-07-23 13:56:08,594 INFO L472 AbstractCegarLoop]: Interpolant automaton has 57 states. [2018-07-23 13:56:08,594 INFO L276 IsEmpty]: Start isEmpty. Operand 59 states and 59 transitions. [2018-07-23 13:56:08,594 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 59 [2018-07-23 13:56:08,594 INFO L349 BasicCegarLoop]: Found error trace [2018-07-23 13:56:08,594 INFO L357 BasicCegarLoop]: trace histogram [55, 1, 1, 1] [2018-07-23 13:56:08,595 INFO L414 AbstractCegarLoop]: === Iteration 56 === [mainErr0AssertViolationASSERT]=== [2018-07-23 13:56:08,595 INFO L82 PathProgramCache]: Analyzing trace with hash -836059322, now seen corresponding path program 55 times [2018-07-23 13:56:08,595 INFO L69 tionRefinementEngine]: Using refinement strategy FixedRefinementStrategy [2018-07-23 13:56:08,635 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-07-23 13:56:09,021 INFO L134 CoverageAnalysis]: Checked inductivity of 1540 backedges. 0 proven. 1540 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-07-23 13:56:09,021 INFO L309 seRefinementStrategy]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2018-07-23 13:56:09,021 INFO L324 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [57] total 57 [2018-07-23 13:56:09,022 INFO L142 lantAutomatonBuilder]: Constructing canonical interpolant automaton, with selfloop in false state [2018-07-23 13:56:09,022 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 13:56:09,022 INFO L185 omatonBuilderFactory]: Interpolants [8960#(or (<= (select main_a main_x) 27) (= main_x main_y)), 8961#(or (<= (select main_a main_x) 28) (= main_x main_y)), 8962#(or (<= (select main_a main_x) 29) (= main_x main_y)), 8963#(or (= main_x main_y) (<= (select main_a main_x) 30)), 8964#(or (<= (select main_a main_x) 31) (= main_x main_y)), 8965#(or (<= (select main_a main_x) 32) (= main_x main_y)), 8966#(or (<= (select main_a main_x) 33) (= main_x main_y)), 8967#(or (<= (select main_a main_x) 34) (= main_x main_y)), 8968#(or (<= (select main_a main_x) 35) (= main_x main_y)), 8969#(or (<= (select main_a main_x) 36) (= main_x main_y)), 8970#(or (<= (select main_a main_x) 37) (= main_x main_y)), 8971#(or (<= (select main_a main_x) 38) (= main_x main_y)), 8972#(or (<= (select main_a main_x) 39) (= main_x main_y)), 8973#(or (<= (select main_a main_x) 40) (= main_x main_y)), 8974#(or (<= (select main_a main_x) 41) (= main_x main_y)), 8975#(or (<= (select main_a main_x) 42) (= main_x main_y)), 8976#(or (= main_x main_y) (<= (select main_a main_x) 43)), 8977#(or (= main_x main_y) (<= (select main_a main_x) 44)), 8978#(or (= main_x main_y) (<= (select main_a main_x) 45)), 8979#(or (<= (select main_a main_x) 46) (= main_x main_y)), 8980#(or (<= (select main_a main_x) 47) (= main_x main_y)), 8981#(or (<= (select main_a main_x) 48) (= main_x main_y)), 8982#(or (<= (select main_a main_x) 49) (= main_x main_y)), 8983#(or (<= (select main_a main_x) 50) (= main_x main_y)), 8984#(or (<= (select main_a main_x) 51) (= main_x main_y)), 8985#(or (= main_x main_y) (<= (select main_a main_x) 52)), 8986#(or (<= (select main_a main_x) 53) (= main_x main_y)), 8987#(or (<= (select main_a main_x) 54) (= main_x main_y)), 8988#(or (not (= (select main_a main_x) 1000)) (= main_x main_y)), 8931#true, 8932#false, 8933#(or (= 0 (select main_a main_x)) (= main_x main_y)), 8934#(or (<= (select main_a main_x) 1) (= main_x main_y)), 8935#(or (= main_x main_y) (<= (select main_a main_x) 2)), 8936#(or (= main_x main_y) (<= (select main_a main_x) 3)), 8937#(or (<= (select main_a main_x) 4) (= main_x main_y)), 8938#(or (<= (select main_a main_x) 5) (= main_x main_y)), 8939#(or (<= (select main_a main_x) 6) (= main_x main_y)), 8940#(or (<= (select main_a main_x) 7) (= main_x main_y)), 8941#(or (<= (select main_a main_x) 8) (= main_x main_y)), 8942#(or (= main_x main_y) (<= (select main_a main_x) 9)), 8943#(or (= main_x main_y) (<= (select main_a main_x) 10)), 8944#(or (= main_x main_y) (<= (select main_a main_x) 11)), 8945#(or (<= (select main_a main_x) 12) (= main_x main_y)), 8946#(or (= main_x main_y) (<= (select main_a main_x) 13)), 8947#(or (<= (select main_a main_x) 14) (= main_x main_y)), 8948#(or (<= (select main_a main_x) 15) (= main_x main_y)), 8949#(or (<= (select main_a main_x) 16) (= main_x main_y)), 8950#(or (= main_x main_y) (<= (select main_a main_x) 17)), 8951#(or (<= (select main_a main_x) 18) (= main_x main_y)), 8952#(or (<= (select main_a main_x) 19) (= main_x main_y)), 8953#(or (= main_x main_y) (<= (select main_a main_x) 20)), 8954#(or (<= (select main_a main_x) 21) (= main_x main_y)), 8955#(or (= main_x main_y) (<= (select main_a main_x) 22)), 8956#(or (= main_x main_y) (<= (select main_a main_x) 23)), 8957#(or (<= (select main_a main_x) 24) (= main_x main_y)), 8958#(or (= main_x main_y) (<= (select main_a main_x) 25)), 8959#(or (<= (select main_a main_x) 26) (= main_x main_y))] [2018-07-23 13:56:09,023 INFO L134 CoverageAnalysis]: Checked inductivity of 1540 backedges. 0 proven. 1540 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-07-23 13:56:09,023 INFO L450 AbstractCegarLoop]: Interpolant automaton has 58 states [2018-07-23 13:56:09,023 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 58 interpolants. [2018-07-23 13:56:09,024 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=1653, Invalid=1653, Unknown=0, NotChecked=0, Total=3306 [2018-07-23 13:56:09,024 INFO L87 Difference]: Start difference. First operand 59 states and 59 transitions. Second operand 58 states. [2018-07-23 13:56:09,064 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-07-23 13:56:09,064 INFO L93 Difference]: Finished difference Result 62 states and 62 transitions. [2018-07-23 13:56:09,065 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 58 states. [2018-07-23 13:56:09,065 INFO L78 Accepts]: Start accepts. Automaton has 58 states. Word has length 58 [2018-07-23 13:56:09,065 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-07-23 13:56:09,065 INFO L225 Difference]: With dead ends: 62 [2018-07-23 13:56:09,066 INFO L226 Difference]: Without dead ends: 60 [2018-07-23 13:56:09,066 INFO L575 BasicCegarLoop]: 0 DeclaredPredicates, 57 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 56 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=1653, Invalid=1653, Unknown=0, NotChecked=0, Total=3306 [2018-07-23 13:56:09,066 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 60 states. [2018-07-23 13:56:09,073 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 60 to 60. [2018-07-23 13:56:09,073 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 60 states. [2018-07-23 13:56:09,073 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 60 states to 60 states and 60 transitions. [2018-07-23 13:56:09,074 INFO L78 Accepts]: Start accepts. Automaton has 60 states and 60 transitions. Word has length 58 [2018-07-23 13:56:09,074 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-07-23 13:56:09,074 INFO L471 AbstractCegarLoop]: Abstraction has 60 states and 60 transitions. [2018-07-23 13:56:09,074 INFO L472 AbstractCegarLoop]: Interpolant automaton has 58 states. [2018-07-23 13:56:09,074 INFO L276 IsEmpty]: Start isEmpty. Operand 60 states and 60 transitions. [2018-07-23 13:56:09,075 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 60 [2018-07-23 13:56:09,075 INFO L349 BasicCegarLoop]: Found error trace [2018-07-23 13:56:09,075 INFO L357 BasicCegarLoop]: trace histogram [56, 1, 1, 1] [2018-07-23 13:56:09,075 INFO L414 AbstractCegarLoop]: === Iteration 57 === [mainErr0AssertViolationASSERT]=== [2018-07-23 13:56:09,075 INFO L82 PathProgramCache]: Analyzing trace with hash -148039072, now seen corresponding path program 56 times [2018-07-23 13:56:09,075 INFO L69 tionRefinementEngine]: Using refinement strategy FixedRefinementStrategy [2018-07-23 13:56:09,116 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-07-23 13:56:09,490 INFO L134 CoverageAnalysis]: Checked inductivity of 1596 backedges. 0 proven. 1596 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-07-23 13:56:09,490 INFO L309 seRefinementStrategy]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2018-07-23 13:56:09,491 INFO L324 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [58] total 58 [2018-07-23 13:56:09,491 INFO L142 lantAutomatonBuilder]: Constructing canonical interpolant automaton, with selfloop in false state [2018-07-23 13:56:09,491 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-07-23 13:56:09,491 INFO L185 omatonBuilderFactory]: Interpolants [9233#true, 9234#false, 9235#(or (= 0 (select main_a main_x)) (= main_x main_y)), 9236#(or (<= (select main_a main_x) 1) (= main_x main_y)), 9237#(or (= main_x main_y) (<= (select main_a main_x) 2)), 9238#(or (= main_x main_y) (<= (select main_a main_x) 3)), 9239#(or (<= (select main_a main_x) 4) (= main_x main_y)), 9240#(or (<= (select main_a main_x) 5) (= main_x main_y)), 9241#(or (<= (select main_a main_x) 6) (= main_x main_y)), 9242#(or (<= (select main_a main_x) 7) (= main_x main_y)), 9243#(or (<= (select main_a main_x) 8) (= main_x main_y)), 9244#(or (= main_x main_y) (<= (select main_a main_x) 9)), 9245#(or (= main_x main_y) (<= (select main_a main_x) 10)), 9246#(or (= main_x main_y) (<= (select main_a main_x) 11)), 9247#(or (<= (select main_a main_x) 12) (= main_x main_y)), 9248#(or (= main_x main_y) (<= (select main_a main_x) 13)), 9249#(or (<= (select main_a main_x) 14) (= main_x main_y)), 9250#(or (<= (select main_a main_x) 15) (= main_x main_y)), 9251#(or (<= (select main_a main_x) 16) (= main_x main_y)), 9252#(or (= main_x main_y) (<= (select main_a main_x) 17)), 9253#(or (<= (select main_a main_x) 18) (= main_x main_y)), 9254#(or (<= (select main_a main_x) 19) (= main_x main_y)), 9255#(or (= main_x main_y) (<= (select main_a main_x) 20)), 9256#(or (<= (select main_a main_x) 21) (= main_x main_y)), 9257#(or (= main_x main_y) (<= (select main_a main_x) 22)), 9258#(or (= main_x main_y) (<= (select main_a main_x) 23)), 9259#(or (<= (select main_a main_x) 24) (= main_x main_y)), 9260#(or (= main_x main_y) (<= (select main_a main_x) 25)), 9261#(or (<= (select main_a main_x) 26) (= main_x main_y)), 9262#(or (<= (select main_a main_x) 27) (= main_x main_y)), 9263#(or (<= (select main_a main_x) 28) (= main_x main_y)), 9264#(or (<= (select main_a main_x) 29) (= main_x main_y)), 9265#(or (= main_x main_y) (<= (select main_a main_x) 30)), 9266#(or (<= (select main_a main_x) 31) (= main_x main_y)), 9267#(or (<= (select main_a main_x) 32) (= main_x main_y)), 9268#(or (<= (select main_a main_x) 33) (= main_x main_y)), 9269#(or (<= (select main_a main_x) 34) (= main_x main_y)), 9270#(or (<= (select main_a main_x) 35) (= main_x main_y)), 9271#(or (<= (select main_a main_x) 36) (= main_x main_y)), 9272#(or (<= (select main_a main_x) 37) (= main_x main_y)), 9273#(or (<= (select main_a main_x) 38) (= main_x main_y)), 9274#(or (<= (select main_a main_x) 39) (= main_x main_y)), 9275#(or (<= (select main_a main_x) 40) (= main_x main_y)), 9276#(or (<= (select main_a main_x) 41) (= main_x main_y)), 9277#(or (<= (select main_a main_x) 42) (= main_x main_y)), 9278#(or (= main_x main_y) (<= (select main_a main_x) 43)), 9279#(or (= main_x main_y) (<= (select main_a main_x) 44)), 9280#(or (= main_x main_y) (<= (select main_a main_x) 45)), 9281#(or (<= (select main_a main_x) 46) (= main_x main_y)), 9282#(or (<= (select main_a main_x) 47) (= main_x main_y)), 9283#(or (<= (select main_a main_x) 48) (= main_x main_y)), 9284#(or (<= (select main_a main_x) 49) (= main_x main_y)), 9285#(or (<= (select main_a main_x) 50) (= main_x main_y)), 9286#(or (<= (select main_a main_x) 51) (= main_x main_y)), 9287#(or (= main_x main_y) (<= (select main_a main_x) 52)), 9288#(or (<= (select main_a main_x) 53) (= main_x main_y)), 9289#(or (<= (select main_a main_x) 54) (= main_x main_y)), 9290#(or (<= (select main_a main_x) 55) (= main_x main_y)), 9291#(or (not (= (select main_a main_x) 1000)) (= main_x main_y))] [2018-07-23 13:56:09,492 INFO L134 CoverageAnalysis]: Checked inductivity of 1596 backedges. 0 proven. 1596 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-07-23 13:56:09,492 INFO L450 AbstractCegarLoop]: Interpolant automaton has 59 states [2018-07-23 13:56:09,493 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 59 interpolants. [2018-07-23 13:56:09,493 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=1711, Invalid=1711, Unknown=0, NotChecked=0, Total=3422 [2018-07-23 13:56:09,493 INFO L87 Difference]: Start difference. First operand 60 states and 60 transitions. Second operand 59 states. [2018-07-23 13:56:09,544 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-07-23 13:56:09,545 INFO L93 Difference]: Finished difference Result 63 states and 63 transitions. [2018-07-23 13:56:09,545 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 59 states. [2018-07-23 13:56:09,545 INFO L78 Accepts]: Start accepts. Automaton has 59 states. Word has length 59 [2018-07-23 13:56:09,545 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-07-23 13:56:09,546 INFO L225 Difference]: With dead ends: 63 [2018-07-23 13:56:09,546 INFO L226 Difference]: Without dead ends: 61 [2018-07-23 13:56:09,546 INFO L575 BasicCegarLoop]: 0 DeclaredPredicates, 58 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 57 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=1711, Invalid=1711, Unknown=0, NotChecked=0, Total=3422 [2018-07-23 13:56:09,547 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 61 states. [2018-07-23 13:56:09,554 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 61 to 61. [2018-07-23 13:56:09,554 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 61 states. [2018-07-23 13:56:09,554 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 61 states to 61 states and 61 transitions. [2018-07-23 13:56:09,554 INFO L78 Accepts]: Start accepts. Automaton has 61 states and 61 transitions. Word has length 59 [2018-07-23 13:56:09,554 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-07-23 13:56:09,555 INFO L471 AbstractCegarLoop]: Abstraction has 61 states and 61 transitions. [2018-07-23 13:56:09,555 INFO L472 AbstractCegarLoop]: Interpolant automaton has 59 states. [2018-07-23 13:56:09,555 INFO L276 IsEmpty]: Start isEmpty. Operand 61 states and 61 transitions. [2018-07-23 13:56:09,555 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 61 [2018-07-23 13:56:09,555 INFO L349 BasicCegarLoop]: Found error trace [2018-07-23 13:56:09,555 INFO L357 BasicCegarLoop]: trace histogram [57, 1, 1, 1] [2018-07-23 13:56:09,556 INFO L414 AbstractCegarLoop]: === Iteration 58 === [mainErr0AssertViolationASSERT]=== [2018-07-23 13:56:09,556 INFO L82 PathProgramCache]: Analyzing trace with hash -294247802, now seen corresponding path program 57 times [2018-07-23 13:56:09,556 INFO L69 tionRefinementEngine]: Using refinement strategy FixedRefinementStrategy [2018-07-23 13:56:09,595 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-07-23 13:56:10,008 INFO L134 CoverageAnalysis]: Checked inductivity of 1653 backedges. 0 proven. 1653 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-07-23 13:56:10,008 INFO L309 seRefinementStrategy]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2018-07-23 13:56:10,009 INFO L324 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [59] total 59 [2018-07-23 13:56:10,009 INFO L142 lantAutomatonBuilder]: Constructing canonical interpolant automaton, with selfloop in false state [2018-07-23 13:56:10,009 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 13:56:10,010 INFO L185 omatonBuilderFactory]: Interpolants [9540#true, 9541#false, 9542#(or (= 0 (select main_a main_x)) (= main_x main_y)), 9543#(or (<= (select main_a main_x) 1) (= main_x main_y)), 9544#(or (= main_x main_y) (<= (select main_a main_x) 2)), 9545#(or (= main_x main_y) (<= (select main_a main_x) 3)), 9546#(or (<= (select main_a main_x) 4) (= main_x main_y)), 9547#(or (<= (select main_a main_x) 5) (= main_x main_y)), 9548#(or (<= (select main_a main_x) 6) (= main_x main_y)), 9549#(or (<= (select main_a main_x) 7) (= main_x main_y)), 9550#(or (<= (select main_a main_x) 8) (= main_x main_y)), 9551#(or (= main_x main_y) (<= (select main_a main_x) 9)), 9552#(or (= main_x main_y) (<= (select main_a main_x) 10)), 9553#(or (= main_x main_y) (<= (select main_a main_x) 11)), 9554#(or (<= (select main_a main_x) 12) (= main_x main_y)), 9555#(or (= main_x main_y) (<= (select main_a main_x) 13)), 9556#(or (<= (select main_a main_x) 14) (= main_x main_y)), 9557#(or (<= (select main_a main_x) 15) (= main_x main_y)), 9558#(or (<= (select main_a main_x) 16) (= main_x main_y)), 9559#(or (= main_x main_y) (<= (select main_a main_x) 17)), 9560#(or (<= (select main_a main_x) 18) (= main_x main_y)), 9561#(or (<= (select main_a main_x) 19) (= main_x main_y)), 9562#(or (= main_x main_y) (<= (select main_a main_x) 20)), 9563#(or (<= (select main_a main_x) 21) (= main_x main_y)), 9564#(or (= main_x main_y) (<= (select main_a main_x) 22)), 9565#(or (= main_x main_y) (<= (select main_a main_x) 23)), 9566#(or (<= (select main_a main_x) 24) (= main_x main_y)), 9567#(or (= main_x main_y) (<= (select main_a main_x) 25)), 9568#(or (<= (select main_a main_x) 26) (= main_x main_y)), 9569#(or (<= (select main_a main_x) 27) (= main_x main_y)), 9570#(or (<= (select main_a main_x) 28) (= main_x main_y)), 9571#(or (<= (select main_a main_x) 29) (= main_x main_y)), 9572#(or (= main_x main_y) (<= (select main_a main_x) 30)), 9573#(or (<= (select main_a main_x) 31) (= main_x main_y)), 9574#(or (<= (select main_a main_x) 32) (= main_x main_y)), 9575#(or (<= (select main_a main_x) 33) (= main_x main_y)), 9576#(or (<= (select main_a main_x) 34) (= main_x main_y)), 9577#(or (<= (select main_a main_x) 35) (= main_x main_y)), 9578#(or (<= (select main_a main_x) 36) (= main_x main_y)), 9579#(or (<= (select main_a main_x) 37) (= main_x main_y)), 9580#(or (<= (select main_a main_x) 38) (= main_x main_y)), 9581#(or (<= (select main_a main_x) 39) (= main_x main_y)), 9582#(or (<= (select main_a main_x) 40) (= main_x main_y)), 9583#(or (<= (select main_a main_x) 41) (= main_x main_y)), 9584#(or (<= (select main_a main_x) 42) (= main_x main_y)), 9585#(or (= main_x main_y) (<= (select main_a main_x) 43)), 9586#(or (= main_x main_y) (<= (select main_a main_x) 44)), 9587#(or (= main_x main_y) (<= (select main_a main_x) 45)), 9588#(or (<= (select main_a main_x) 46) (= main_x main_y)), 9589#(or (<= (select main_a main_x) 47) (= main_x main_y)), 9590#(or (<= (select main_a main_x) 48) (= main_x main_y)), 9591#(or (<= (select main_a main_x) 49) (= main_x main_y)), 9592#(or (<= (select main_a main_x) 50) (= main_x main_y)), 9593#(or (<= (select main_a main_x) 51) (= main_x main_y)), 9594#(or (= main_x main_y) (<= (select main_a main_x) 52)), 9595#(or (<= (select main_a main_x) 53) (= main_x main_y)), 9596#(or (<= (select main_a main_x) 54) (= main_x main_y)), 9597#(or (<= (select main_a main_x) 55) (= main_x main_y)), 9598#(or (= main_x main_y) (<= (select main_a main_x) 56)), 9599#(or (not (= (select main_a main_x) 1000)) (= main_x main_y))] [2018-07-23 13:56:10,010 INFO L134 CoverageAnalysis]: Checked inductivity of 1653 backedges. 0 proven. 1653 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-07-23 13:56:10,010 INFO L450 AbstractCegarLoop]: Interpolant automaton has 60 states [2018-07-23 13:56:10,011 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 60 interpolants. [2018-07-23 13:56:10,012 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=1770, Invalid=1770, Unknown=0, NotChecked=0, Total=3540 [2018-07-23 13:56:10,012 INFO L87 Difference]: Start difference. First operand 61 states and 61 transitions. Second operand 60 states. [2018-07-23 13:56:10,077 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-07-23 13:56:10,077 INFO L93 Difference]: Finished difference Result 64 states and 64 transitions. [2018-07-23 13:56:10,077 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 60 states. [2018-07-23 13:56:10,077 INFO L78 Accepts]: Start accepts. Automaton has 60 states. Word has length 60 [2018-07-23 13:56:10,078 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-07-23 13:56:10,078 INFO L225 Difference]: With dead ends: 64 [2018-07-23 13:56:10,078 INFO L226 Difference]: Without dead ends: 62 [2018-07-23 13:56:10,079 INFO L575 BasicCegarLoop]: 0 DeclaredPredicates, 59 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 58 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=1770, Invalid=1770, Unknown=0, NotChecked=0, Total=3540 [2018-07-23 13:56:10,079 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 62 states. [2018-07-23 13:56:10,088 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 62 to 62. [2018-07-23 13:56:10,089 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 62 states. [2018-07-23 13:56:10,089 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 62 states to 62 states and 62 transitions. [2018-07-23 13:56:10,089 INFO L78 Accepts]: Start accepts. Automaton has 62 states and 62 transitions. Word has length 60 [2018-07-23 13:56:10,089 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-07-23 13:56:10,089 INFO L471 AbstractCegarLoop]: Abstraction has 62 states and 62 transitions. [2018-07-23 13:56:10,090 INFO L472 AbstractCegarLoop]: Interpolant automaton has 60 states. [2018-07-23 13:56:10,090 INFO L276 IsEmpty]: Start isEmpty. Operand 62 states and 62 transitions. [2018-07-23 13:56:10,090 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 62 [2018-07-23 13:56:10,090 INFO L349 BasicCegarLoop]: Found error trace [2018-07-23 13:56:10,091 INFO L357 BasicCegarLoop]: trace histogram [58, 1, 1, 1] [2018-07-23 13:56:10,091 INFO L414 AbstractCegarLoop]: === Iteration 59 === [mainErr0AssertViolationASSERT]=== [2018-07-23 13:56:10,091 INFO L82 PathProgramCache]: Analyzing trace with hash -531751136, now seen corresponding path program 58 times [2018-07-23 13:56:10,091 INFO L69 tionRefinementEngine]: Using refinement strategy FixedRefinementStrategy [2018-07-23 13:56:10,149 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-07-23 13:56:10,664 INFO L134 CoverageAnalysis]: Checked inductivity of 1711 backedges. 0 proven. 1711 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-07-23 13:56:10,664 INFO L309 seRefinementStrategy]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2018-07-23 13:56:10,665 INFO L324 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [60] total 60 [2018-07-23 13:56:10,665 INFO L142 lantAutomatonBuilder]: Constructing canonical interpolant automaton, with selfloop in false state [2018-07-23 13:56:10,665 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 13:56:10,665 INFO L185 omatonBuilderFactory]: Interpolants [9856#(or (= main_x main_y) (<= (select main_a main_x) 2)), 9857#(or (= main_x main_y) (<= (select main_a main_x) 3)), 9858#(or (<= (select main_a main_x) 4) (= main_x main_y)), 9859#(or (<= (select main_a main_x) 5) (= main_x main_y)), 9860#(or (<= (select main_a main_x) 6) (= main_x main_y)), 9861#(or (<= (select main_a main_x) 7) (= main_x main_y)), 9862#(or (<= (select main_a main_x) 8) (= main_x main_y)), 9863#(or (= main_x main_y) (<= (select main_a main_x) 9)), 9864#(or (= main_x main_y) (<= (select main_a main_x) 10)), 9865#(or (= main_x main_y) (<= (select main_a main_x) 11)), 9866#(or (<= (select main_a main_x) 12) (= main_x main_y)), 9867#(or (= main_x main_y) (<= (select main_a main_x) 13)), 9868#(or (<= (select main_a main_x) 14) (= main_x main_y)), 9869#(or (<= (select main_a main_x) 15) (= main_x main_y)), 9870#(or (<= (select main_a main_x) 16) (= main_x main_y)), 9871#(or (= main_x main_y) (<= (select main_a main_x) 17)), 9872#(or (<= (select main_a main_x) 18) (= main_x main_y)), 9873#(or (<= (select main_a main_x) 19) (= main_x main_y)), 9874#(or (= main_x main_y) (<= (select main_a main_x) 20)), 9875#(or (<= (select main_a main_x) 21) (= main_x main_y)), 9876#(or (= main_x main_y) (<= (select main_a main_x) 22)), 9877#(or (= main_x main_y) (<= (select main_a main_x) 23)), 9878#(or (<= (select main_a main_x) 24) (= main_x main_y)), 9879#(or (= main_x main_y) (<= (select main_a main_x) 25)), 9880#(or (<= (select main_a main_x) 26) (= main_x main_y)), 9881#(or (<= (select main_a main_x) 27) (= main_x main_y)), 9882#(or (<= (select main_a main_x) 28) (= main_x main_y)), 9883#(or (<= (select main_a main_x) 29) (= main_x main_y)), 9884#(or (= main_x main_y) (<= (select main_a main_x) 30)), 9885#(or (<= (select main_a main_x) 31) (= main_x main_y)), 9886#(or (<= (select main_a main_x) 32) (= main_x main_y)), 9887#(or (<= (select main_a main_x) 33) (= main_x main_y)), 9888#(or (<= (select main_a main_x) 34) (= main_x main_y)), 9889#(or (<= (select main_a main_x) 35) (= main_x main_y)), 9890#(or (<= (select main_a main_x) 36) (= main_x main_y)), 9891#(or (<= (select main_a main_x) 37) (= main_x main_y)), 9892#(or (<= (select main_a main_x) 38) (= main_x main_y)), 9893#(or (<= (select main_a main_x) 39) (= main_x main_y)), 9894#(or (<= (select main_a main_x) 40) (= main_x main_y)), 9895#(or (<= (select main_a main_x) 41) (= main_x main_y)), 9896#(or (<= (select main_a main_x) 42) (= main_x main_y)), 9897#(or (= main_x main_y) (<= (select main_a main_x) 43)), 9898#(or (= main_x main_y) (<= (select main_a main_x) 44)), 9899#(or (= main_x main_y) (<= (select main_a main_x) 45)), 9900#(or (<= (select main_a main_x) 46) (= main_x main_y)), 9901#(or (<= (select main_a main_x) 47) (= main_x main_y)), 9902#(or (<= (select main_a main_x) 48) (= main_x main_y)), 9903#(or (<= (select main_a main_x) 49) (= main_x main_y)), 9904#(or (<= (select main_a main_x) 50) (= main_x main_y)), 9905#(or (<= (select main_a main_x) 51) (= main_x main_y)), 9906#(or (= main_x main_y) (<= (select main_a main_x) 52)), 9907#(or (<= (select main_a main_x) 53) (= main_x main_y)), 9908#(or (<= (select main_a main_x) 54) (= main_x main_y)), 9909#(or (<= (select main_a main_x) 55) (= main_x main_y)), 9910#(or (= main_x main_y) (<= (select main_a main_x) 56)), 9911#(or (<= (select main_a main_x) 57) (= main_x main_y)), 9912#(or (not (= (select main_a main_x) 1000)) (= main_x main_y)), 9852#true, 9853#false, 9854#(or (= 0 (select main_a main_x)) (= main_x main_y)), 9855#(or (<= (select main_a main_x) 1) (= main_x main_y))] [2018-07-23 13:56:10,666 INFO L134 CoverageAnalysis]: Checked inductivity of 1711 backedges. 0 proven. 1711 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-07-23 13:56:10,666 INFO L450 AbstractCegarLoop]: Interpolant automaton has 61 states [2018-07-23 13:56:10,667 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 61 interpolants. [2018-07-23 13:56:10,667 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=1830, Invalid=1830, Unknown=0, NotChecked=0, Total=3660 [2018-07-23 13:56:10,667 INFO L87 Difference]: Start difference. First operand 62 states and 62 transitions. Second operand 61 states. [2018-07-23 13:56:10,719 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-07-23 13:56:10,719 INFO L93 Difference]: Finished difference Result 65 states and 65 transitions. [2018-07-23 13:56:10,719 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 61 states. [2018-07-23 13:56:10,719 INFO L78 Accepts]: Start accepts. Automaton has 61 states. Word has length 61 [2018-07-23 13:56:10,719 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-07-23 13:56:10,720 INFO L225 Difference]: With dead ends: 65 [2018-07-23 13:56:10,720 INFO L226 Difference]: Without dead ends: 63 [2018-07-23 13:56:10,720 INFO L575 BasicCegarLoop]: 0 DeclaredPredicates, 60 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 59 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.4s TimeCoverageRelationStatistics Valid=1830, Invalid=1830, Unknown=0, NotChecked=0, Total=3660 [2018-07-23 13:56:10,721 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 63 states. [2018-07-23 13:56:10,727 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 63 to 63. [2018-07-23 13:56:10,727 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 63 states. [2018-07-23 13:56:10,728 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 63 states to 63 states and 63 transitions. [2018-07-23 13:56:10,728 INFO L78 Accepts]: Start accepts. Automaton has 63 states and 63 transitions. Word has length 61 [2018-07-23 13:56:10,728 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-07-23 13:56:10,728 INFO L471 AbstractCegarLoop]: Abstraction has 63 states and 63 transitions. [2018-07-23 13:56:10,728 INFO L472 AbstractCegarLoop]: Interpolant automaton has 61 states. [2018-07-23 13:56:10,728 INFO L276 IsEmpty]: Start isEmpty. Operand 63 states and 63 transitions. [2018-07-23 13:56:10,729 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 63 [2018-07-23 13:56:10,729 INFO L349 BasicCegarLoop]: Found error trace [2018-07-23 13:56:10,729 INFO L357 BasicCegarLoop]: trace histogram [59, 1, 1, 1] [2018-07-23 13:56:10,729 INFO L414 AbstractCegarLoop]: === Iteration 60 === [mainErr0AssertViolationASSERT]=== [2018-07-23 13:56:10,729 INFO L82 PathProgramCache]: Analyzing trace with hash 695580102, now seen corresponding path program 59 times [2018-07-23 13:56:10,729 INFO L69 tionRefinementEngine]: Using refinement strategy FixedRefinementStrategy [2018-07-23 13:56:10,773 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-07-23 13:56:11,150 INFO L134 CoverageAnalysis]: Checked inductivity of 1770 backedges. 0 proven. 1770 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-07-23 13:56:11,150 INFO L309 seRefinementStrategy]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2018-07-23 13:56:11,151 INFO L324 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [61] total 61 [2018-07-23 13:56:11,151 INFO L142 lantAutomatonBuilder]: Constructing canonical interpolant automaton, with selfloop in false state [2018-07-23 13:56:11,151 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-07-23 13:56:11,152 INFO L185 omatonBuilderFactory]: Interpolants [10169#true, 10170#false, 10171#(or (= 0 (select main_a main_x)) (= main_x main_y)), 10172#(or (<= (select main_a main_x) 1) (= main_x main_y)), 10173#(or (= main_x main_y) (<= (select main_a main_x) 2)), 10174#(or (= main_x main_y) (<= (select main_a main_x) 3)), 10175#(or (<= (select main_a main_x) 4) (= main_x main_y)), 10176#(or (<= (select main_a main_x) 5) (= main_x main_y)), 10177#(or (<= (select main_a main_x) 6) (= main_x main_y)), 10178#(or (<= (select main_a main_x) 7) (= main_x main_y)), 10179#(or (<= (select main_a main_x) 8) (= main_x main_y)), 10180#(or (= main_x main_y) (<= (select main_a main_x) 9)), 10181#(or (= main_x main_y) (<= (select main_a main_x) 10)), 10182#(or (= main_x main_y) (<= (select main_a main_x) 11)), 10183#(or (<= (select main_a main_x) 12) (= main_x main_y)), 10184#(or (= main_x main_y) (<= (select main_a main_x) 13)), 10185#(or (<= (select main_a main_x) 14) (= main_x main_y)), 10186#(or (<= (select main_a main_x) 15) (= main_x main_y)), 10187#(or (<= (select main_a main_x) 16) (= main_x main_y)), 10188#(or (= main_x main_y) (<= (select main_a main_x) 17)), 10189#(or (<= (select main_a main_x) 18) (= main_x main_y)), 10190#(or (<= (select main_a main_x) 19) (= main_x main_y)), 10191#(or (= main_x main_y) (<= (select main_a main_x) 20)), 10192#(or (<= (select main_a main_x) 21) (= main_x main_y)), 10193#(or (= main_x main_y) (<= (select main_a main_x) 22)), 10194#(or (= main_x main_y) (<= (select main_a main_x) 23)), 10195#(or (<= (select main_a main_x) 24) (= main_x main_y)), 10196#(or (= main_x main_y) (<= (select main_a main_x) 25)), 10197#(or (<= (select main_a main_x) 26) (= main_x main_y)), 10198#(or (<= (select main_a main_x) 27) (= main_x main_y)), 10199#(or (<= (select main_a main_x) 28) (= main_x main_y)), 10200#(or (<= (select main_a main_x) 29) (= main_x main_y)), 10201#(or (= main_x main_y) (<= (select main_a main_x) 30)), 10202#(or (<= (select main_a main_x) 31) (= main_x main_y)), 10203#(or (<= (select main_a main_x) 32) (= main_x main_y)), 10204#(or (<= (select main_a main_x) 33) (= main_x main_y)), 10205#(or (<= (select main_a main_x) 34) (= main_x main_y)), 10206#(or (<= (select main_a main_x) 35) (= main_x main_y)), 10207#(or (<= (select main_a main_x) 36) (= main_x main_y)), 10208#(or (<= (select main_a main_x) 37) (= main_x main_y)), 10209#(or (<= (select main_a main_x) 38) (= main_x main_y)), 10210#(or (<= (select main_a main_x) 39) (= main_x main_y)), 10211#(or (<= (select main_a main_x) 40) (= main_x main_y)), 10212#(or (<= (select main_a main_x) 41) (= main_x main_y)), 10213#(or (<= (select main_a main_x) 42) (= main_x main_y)), 10214#(or (= main_x main_y) (<= (select main_a main_x) 43)), 10215#(or (= main_x main_y) (<= (select main_a main_x) 44)), 10216#(or (= main_x main_y) (<= (select main_a main_x) 45)), 10217#(or (<= (select main_a main_x) 46) (= main_x main_y)), 10218#(or (<= (select main_a main_x) 47) (= main_x main_y)), 10219#(or (<= (select main_a main_x) 48) (= main_x main_y)), 10220#(or (<= (select main_a main_x) 49) (= main_x main_y)), 10221#(or (<= (select main_a main_x) 50) (= main_x main_y)), 10222#(or (<= (select main_a main_x) 51) (= main_x main_y)), 10223#(or (= main_x main_y) (<= (select main_a main_x) 52)), 10224#(or (<= (select main_a main_x) 53) (= main_x main_y)), 10225#(or (<= (select main_a main_x) 54) (= main_x main_y)), 10226#(or (<= (select main_a main_x) 55) (= main_x main_y)), 10227#(or (= main_x main_y) (<= (select main_a main_x) 56)), 10228#(or (<= (select main_a main_x) 57) (= main_x main_y)), 10229#(or (<= (select main_a main_x) 58) (= main_x main_y)), 10230#(or (not (= (select main_a main_x) 1000)) (= main_x main_y))] [2018-07-23 13:56:11,152 INFO L134 CoverageAnalysis]: Checked inductivity of 1770 backedges. 0 proven. 1770 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-07-23 13:56:11,152 INFO L450 AbstractCegarLoop]: Interpolant automaton has 62 states [2018-07-23 13:56:11,153 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 62 interpolants. [2018-07-23 13:56:11,153 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=1891, Invalid=1891, Unknown=0, NotChecked=0, Total=3782 [2018-07-23 13:56:11,154 INFO L87 Difference]: Start difference. First operand 63 states and 63 transitions. Second operand 62 states. [2018-07-23 13:56:11,227 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-07-23 13:56:11,227 INFO L93 Difference]: Finished difference Result 66 states and 66 transitions. [2018-07-23 13:56:11,227 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 62 states. [2018-07-23 13:56:11,227 INFO L78 Accepts]: Start accepts. Automaton has 62 states. Word has length 62 [2018-07-23 13:56:11,227 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-07-23 13:56:11,228 INFO L225 Difference]: With dead ends: 66 [2018-07-23 13:56:11,228 INFO L226 Difference]: Without dead ends: 64 [2018-07-23 13:56:11,229 INFO L575 BasicCegarLoop]: 0 DeclaredPredicates, 61 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 60 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=1891, Invalid=1891, Unknown=0, NotChecked=0, Total=3782 [2018-07-23 13:56:11,229 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 64 states. [2018-07-23 13:56:11,235 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 64 to 64. [2018-07-23 13:56:11,236 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 64 states. [2018-07-23 13:56:11,236 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 64 states to 64 states and 64 transitions. [2018-07-23 13:56:11,236 INFO L78 Accepts]: Start accepts. Automaton has 64 states and 64 transitions. Word has length 62 [2018-07-23 13:56:11,236 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-07-23 13:56:11,236 INFO L471 AbstractCegarLoop]: Abstraction has 64 states and 64 transitions. [2018-07-23 13:56:11,236 INFO L472 AbstractCegarLoop]: Interpolant automaton has 62 states. [2018-07-23 13:56:11,237 INFO L276 IsEmpty]: Start isEmpty. Operand 64 states and 64 transitions. [2018-07-23 13:56:11,237 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 64 [2018-07-23 13:56:11,237 INFO L349 BasicCegarLoop]: Found error trace [2018-07-23 13:56:11,237 INFO L357 BasicCegarLoop]: trace histogram [60, 1, 1, 1] [2018-07-23 13:56:11,238 INFO L414 AbstractCegarLoop]: === Iteration 61 === [mainErr0AssertViolationASSERT]=== [2018-07-23 13:56:11,238 INFO L82 PathProgramCache]: Analyzing trace with hash 88142816, now seen corresponding path program 60 times [2018-07-23 13:56:11,238 INFO L69 tionRefinementEngine]: Using refinement strategy FixedRefinementStrategy [2018-07-23 13:56:11,281 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-07-23 13:56:11,678 INFO L134 CoverageAnalysis]: Checked inductivity of 1830 backedges. 0 proven. 1830 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-07-23 13:56:11,678 INFO L309 seRefinementStrategy]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2018-07-23 13:56:11,678 INFO L324 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [62] total 62 [2018-07-23 13:56:11,678 INFO L142 lantAutomatonBuilder]: Constructing canonical interpolant automaton, with selfloop in false state [2018-07-23 13:56:11,679 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-07-23 13:56:11,679 INFO L185 omatonBuilderFactory]: Interpolants [10496#(or (= main_x main_y) (<= (select main_a main_x) 3)), 10497#(or (<= (select main_a main_x) 4) (= main_x main_y)), 10498#(or (<= (select main_a main_x) 5) (= main_x main_y)), 10499#(or (<= (select main_a main_x) 6) (= main_x main_y)), 10500#(or (<= (select main_a main_x) 7) (= main_x main_y)), 10501#(or (<= (select main_a main_x) 8) (= main_x main_y)), 10502#(or (= main_x main_y) (<= (select main_a main_x) 9)), 10503#(or (= main_x main_y) (<= (select main_a main_x) 10)), 10504#(or (= main_x main_y) (<= (select main_a main_x) 11)), 10505#(or (<= (select main_a main_x) 12) (= main_x main_y)), 10506#(or (= main_x main_y) (<= (select main_a main_x) 13)), 10507#(or (<= (select main_a main_x) 14) (= main_x main_y)), 10508#(or (<= (select main_a main_x) 15) (= main_x main_y)), 10509#(or (<= (select main_a main_x) 16) (= main_x main_y)), 10510#(or (= main_x main_y) (<= (select main_a main_x) 17)), 10511#(or (<= (select main_a main_x) 18) (= main_x main_y)), 10512#(or (<= (select main_a main_x) 19) (= main_x main_y)), 10513#(or (= main_x main_y) (<= (select main_a main_x) 20)), 10514#(or (<= (select main_a main_x) 21) (= main_x main_y)), 10515#(or (= main_x main_y) (<= (select main_a main_x) 22)), 10516#(or (= main_x main_y) (<= (select main_a main_x) 23)), 10517#(or (<= (select main_a main_x) 24) (= main_x main_y)), 10518#(or (= main_x main_y) (<= (select main_a main_x) 25)), 10519#(or (<= (select main_a main_x) 26) (= main_x main_y)), 10520#(or (<= (select main_a main_x) 27) (= main_x main_y)), 10521#(or (<= (select main_a main_x) 28) (= main_x main_y)), 10522#(or (<= (select main_a main_x) 29) (= main_x main_y)), 10523#(or (= main_x main_y) (<= (select main_a main_x) 30)), 10524#(or (<= (select main_a main_x) 31) (= main_x main_y)), 10525#(or (<= (select main_a main_x) 32) (= main_x main_y)), 10526#(or (<= (select main_a main_x) 33) (= main_x main_y)), 10527#(or (<= (select main_a main_x) 34) (= main_x main_y)), 10528#(or (<= (select main_a main_x) 35) (= main_x main_y)), 10529#(or (<= (select main_a main_x) 36) (= main_x main_y)), 10530#(or (<= (select main_a main_x) 37) (= main_x main_y)), 10531#(or (<= (select main_a main_x) 38) (= main_x main_y)), 10532#(or (<= (select main_a main_x) 39) (= main_x main_y)), 10533#(or (<= (select main_a main_x) 40) (= main_x main_y)), 10534#(or (<= (select main_a main_x) 41) (= main_x main_y)), 10535#(or (<= (select main_a main_x) 42) (= main_x main_y)), 10536#(or (= main_x main_y) (<= (select main_a main_x) 43)), 10537#(or (= main_x main_y) (<= (select main_a main_x) 44)), 10538#(or (= main_x main_y) (<= (select main_a main_x) 45)), 10539#(or (<= (select main_a main_x) 46) (= main_x main_y)), 10540#(or (<= (select main_a main_x) 47) (= main_x main_y)), 10541#(or (<= (select main_a main_x) 48) (= main_x main_y)), 10542#(or (<= (select main_a main_x) 49) (= main_x main_y)), 10543#(or (<= (select main_a main_x) 50) (= main_x main_y)), 10544#(or (<= (select main_a main_x) 51) (= main_x main_y)), 10545#(or (= main_x main_y) (<= (select main_a main_x) 52)), 10546#(or (<= (select main_a main_x) 53) (= main_x main_y)), 10547#(or (<= (select main_a main_x) 54) (= main_x main_y)), 10548#(or (<= (select main_a main_x) 55) (= main_x main_y)), 10549#(or (= main_x main_y) (<= (select main_a main_x) 56)), 10550#(or (<= (select main_a main_x) 57) (= main_x main_y)), 10551#(or (<= (select main_a main_x) 58) (= main_x main_y)), 10552#(or (= main_x main_y) (<= (select main_a main_x) 59)), 10553#(or (not (= (select main_a main_x) 1000)) (= main_x main_y)), 10491#true, 10492#false, 10493#(or (= 0 (select main_a main_x)) (= main_x main_y)), 10494#(or (<= (select main_a main_x) 1) (= main_x main_y)), 10495#(or (= main_x main_y) (<= (select main_a main_x) 2))] [2018-07-23 13:56:11,679 INFO L134 CoverageAnalysis]: Checked inductivity of 1830 backedges. 0 proven. 1830 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-07-23 13:56:11,680 INFO L450 AbstractCegarLoop]: Interpolant automaton has 63 states [2018-07-23 13:56:11,680 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 63 interpolants. [2018-07-23 13:56:11,681 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=1953, Invalid=1953, Unknown=0, NotChecked=0, Total=3906 [2018-07-23 13:56:11,681 INFO L87 Difference]: Start difference. First operand 64 states and 64 transitions. Second operand 63 states. [2018-07-23 13:56:11,737 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-07-23 13:56:11,737 INFO L93 Difference]: Finished difference Result 67 states and 67 transitions. [2018-07-23 13:56:11,737 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 63 states. [2018-07-23 13:56:11,738 INFO L78 Accepts]: Start accepts. Automaton has 63 states. Word has length 63 [2018-07-23 13:56:11,738 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-07-23 13:56:11,738 INFO L225 Difference]: With dead ends: 67 [2018-07-23 13:56:11,738 INFO L226 Difference]: Without dead ends: 65 [2018-07-23 13:56:11,739 INFO L575 BasicCegarLoop]: 0 DeclaredPredicates, 62 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 61 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=1953, Invalid=1953, Unknown=0, NotChecked=0, Total=3906 [2018-07-23 13:56:11,740 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 65 states. [2018-07-23 13:56:11,747 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 65 to 65. [2018-07-23 13:56:11,747 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 65 states. [2018-07-23 13:56:11,747 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 65 states to 65 states and 65 transitions. [2018-07-23 13:56:11,747 INFO L78 Accepts]: Start accepts. Automaton has 65 states and 65 transitions. Word has length 63 [2018-07-23 13:56:11,748 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-07-23 13:56:11,748 INFO L471 AbstractCegarLoop]: Abstraction has 65 states and 65 transitions. [2018-07-23 13:56:11,748 INFO L472 AbstractCegarLoop]: Interpolant automaton has 63 states. [2018-07-23 13:56:11,748 INFO L276 IsEmpty]: Start isEmpty. Operand 65 states and 65 transitions. [2018-07-23 13:56:11,748 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 65 [2018-07-23 13:56:11,749 INFO L349 BasicCegarLoop]: Found error trace [2018-07-23 13:56:11,749 INFO L357 BasicCegarLoop]: trace histogram [61, 1, 1, 1] [2018-07-23 13:56:11,749 INFO L414 AbstractCegarLoop]: === Iteration 62 === [mainErr0AssertViolationASSERT]=== [2018-07-23 13:56:11,749 INFO L82 PathProgramCache]: Analyzing trace with hash -1562543866, now seen corresponding path program 61 times [2018-07-23 13:56:11,749 INFO L69 tionRefinementEngine]: Using refinement strategy FixedRefinementStrategy [2018-07-23 13:56:11,796 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-07-23 13:56:12,216 INFO L134 CoverageAnalysis]: Checked inductivity of 1891 backedges. 0 proven. 1891 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-07-23 13:56:12,216 INFO L309 seRefinementStrategy]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2018-07-23 13:56:12,216 INFO L324 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [63] total 63 [2018-07-23 13:56:12,216 INFO L142 lantAutomatonBuilder]: Constructing canonical interpolant automaton, with selfloop in false state [2018-07-23 13:56:12,217 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-07-23 13:56:12,217 INFO L185 omatonBuilderFactory]: Interpolants [10880#(or (= main_x main_y) (<= (select main_a main_x) 60)), 10881#(or (not (= (select main_a main_x) 1000)) (= main_x main_y)), 10818#true, 10819#false, 10820#(or (= 0 (select main_a main_x)) (= main_x main_y)), 10821#(or (<= (select main_a main_x) 1) (= main_x main_y)), 10822#(or (= main_x main_y) (<= (select main_a main_x) 2)), 10823#(or (= main_x main_y) (<= (select main_a main_x) 3)), 10824#(or (<= (select main_a main_x) 4) (= main_x main_y)), 10825#(or (<= (select main_a main_x) 5) (= main_x main_y)), 10826#(or (<= (select main_a main_x) 6) (= main_x main_y)), 10827#(or (<= (select main_a main_x) 7) (= main_x main_y)), 10828#(or (<= (select main_a main_x) 8) (= main_x main_y)), 10829#(or (= main_x main_y) (<= (select main_a main_x) 9)), 10830#(or (= main_x main_y) (<= (select main_a main_x) 10)), 10831#(or (= main_x main_y) (<= (select main_a main_x) 11)), 10832#(or (<= (select main_a main_x) 12) (= main_x main_y)), 10833#(or (= main_x main_y) (<= (select main_a main_x) 13)), 10834#(or (<= (select main_a main_x) 14) (= main_x main_y)), 10835#(or (<= (select main_a main_x) 15) (= main_x main_y)), 10836#(or (<= (select main_a main_x) 16) (= main_x main_y)), 10837#(or (= main_x main_y) (<= (select main_a main_x) 17)), 10838#(or (<= (select main_a main_x) 18) (= main_x main_y)), 10839#(or (<= (select main_a main_x) 19) (= main_x main_y)), 10840#(or (= main_x main_y) (<= (select main_a main_x) 20)), 10841#(or (<= (select main_a main_x) 21) (= main_x main_y)), 10842#(or (= main_x main_y) (<= (select main_a main_x) 22)), 10843#(or (= main_x main_y) (<= (select main_a main_x) 23)), 10844#(or (<= (select main_a main_x) 24) (= main_x main_y)), 10845#(or (= main_x main_y) (<= (select main_a main_x) 25)), 10846#(or (<= (select main_a main_x) 26) (= main_x main_y)), 10847#(or (<= (select main_a main_x) 27) (= main_x main_y)), 10848#(or (<= (select main_a main_x) 28) (= main_x main_y)), 10849#(or (<= (select main_a main_x) 29) (= main_x main_y)), 10850#(or (= main_x main_y) (<= (select main_a main_x) 30)), 10851#(or (<= (select main_a main_x) 31) (= main_x main_y)), 10852#(or (<= (select main_a main_x) 32) (= main_x main_y)), 10853#(or (<= (select main_a main_x) 33) (= main_x main_y)), 10854#(or (<= (select main_a main_x) 34) (= main_x main_y)), 10855#(or (<= (select main_a main_x) 35) (= main_x main_y)), 10856#(or (<= (select main_a main_x) 36) (= main_x main_y)), 10857#(or (<= (select main_a main_x) 37) (= main_x main_y)), 10858#(or (<= (select main_a main_x) 38) (= main_x main_y)), 10859#(or (<= (select main_a main_x) 39) (= main_x main_y)), 10860#(or (<= (select main_a main_x) 40) (= main_x main_y)), 10861#(or (<= (select main_a main_x) 41) (= main_x main_y)), 10862#(or (<= (select main_a main_x) 42) (= main_x main_y)), 10863#(or (= main_x main_y) (<= (select main_a main_x) 43)), 10864#(or (= main_x main_y) (<= (select main_a main_x) 44)), 10865#(or (= main_x main_y) (<= (select main_a main_x) 45)), 10866#(or (<= (select main_a main_x) 46) (= main_x main_y)), 10867#(or (<= (select main_a main_x) 47) (= main_x main_y)), 10868#(or (<= (select main_a main_x) 48) (= main_x main_y)), 10869#(or (<= (select main_a main_x) 49) (= main_x main_y)), 10870#(or (<= (select main_a main_x) 50) (= main_x main_y)), 10871#(or (<= (select main_a main_x) 51) (= main_x main_y)), 10872#(or (= main_x main_y) (<= (select main_a main_x) 52)), 10873#(or (<= (select main_a main_x) 53) (= main_x main_y)), 10874#(or (<= (select main_a main_x) 54) (= main_x main_y)), 10875#(or (<= (select main_a main_x) 55) (= main_x main_y)), 10876#(or (= main_x main_y) (<= (select main_a main_x) 56)), 10877#(or (<= (select main_a main_x) 57) (= main_x main_y)), 10878#(or (<= (select main_a main_x) 58) (= main_x main_y)), 10879#(or (= main_x main_y) (<= (select main_a main_x) 59))] [2018-07-23 13:56:12,217 INFO L134 CoverageAnalysis]: Checked inductivity of 1891 backedges. 0 proven. 1891 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-07-23 13:56:12,218 INFO L450 AbstractCegarLoop]: Interpolant automaton has 64 states [2018-07-23 13:56:12,218 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 64 interpolants. [2018-07-23 13:56:12,219 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=2016, Invalid=2016, Unknown=0, NotChecked=0, Total=4032 [2018-07-23 13:56:12,219 INFO L87 Difference]: Start difference. First operand 65 states and 65 transitions. Second operand 64 states. [2018-07-23 13:56:12,267 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-07-23 13:56:12,268 INFO L93 Difference]: Finished difference Result 68 states and 68 transitions. [2018-07-23 13:56:12,268 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 64 states. [2018-07-23 13:56:12,268 INFO L78 Accepts]: Start accepts. Automaton has 64 states. Word has length 64 [2018-07-23 13:56:12,268 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-07-23 13:56:12,269 INFO L225 Difference]: With dead ends: 68 [2018-07-23 13:56:12,269 INFO L226 Difference]: Without dead ends: 66 [2018-07-23 13:56:12,270 INFO L575 BasicCegarLoop]: 0 DeclaredPredicates, 63 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 62 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=2016, Invalid=2016, Unknown=0, NotChecked=0, Total=4032 [2018-07-23 13:56:12,270 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 66 states. [2018-07-23 13:56:12,276 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 66 to 66. [2018-07-23 13:56:12,276 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 66 states. [2018-07-23 13:56:12,276 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 66 states to 66 states and 66 transitions. [2018-07-23 13:56:12,276 INFO L78 Accepts]: Start accepts. Automaton has 66 states and 66 transitions. Word has length 64 [2018-07-23 13:56:12,277 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-07-23 13:56:12,277 INFO L471 AbstractCegarLoop]: Abstraction has 66 states and 66 transitions. [2018-07-23 13:56:12,277 INFO L472 AbstractCegarLoop]: Interpolant automaton has 64 states. [2018-07-23 13:56:12,277 INFO L276 IsEmpty]: Start isEmpty. Operand 66 states and 66 transitions. [2018-07-23 13:56:12,277 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 66 [2018-07-23 13:56:12,277 INFO L349 BasicCegarLoop]: Found error trace [2018-07-23 13:56:12,278 INFO L357 BasicCegarLoop]: trace histogram [62, 1, 1, 1] [2018-07-23 13:56:12,278 INFO L414 AbstractCegarLoop]: === Iteration 63 === [mainErr0AssertViolationASSERT]=== [2018-07-23 13:56:12,278 INFO L82 PathProgramCache]: Analyzing trace with hash -1194223456, now seen corresponding path program 62 times [2018-07-23 13:56:12,278 INFO L69 tionRefinementEngine]: Using refinement strategy FixedRefinementStrategy [2018-07-23 13:56:12,324 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-07-23 13:56:12,739 INFO L134 CoverageAnalysis]: Checked inductivity of 1953 backedges. 0 proven. 1953 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-07-23 13:56:12,739 INFO L309 seRefinementStrategy]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2018-07-23 13:56:12,739 INFO L324 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [64] total 64 [2018-07-23 13:56:12,739 INFO L142 lantAutomatonBuilder]: Constructing canonical interpolant automaton, with selfloop in false state [2018-07-23 13:56:12,740 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-07-23 13:56:12,743 INFO L185 omatonBuilderFactory]: Interpolants [11150#true, 11151#false, 11152#(or (= 0 (select main_a main_x)) (= main_x main_y)), 11153#(or (<= (select main_a main_x) 1) (= main_x main_y)), 11154#(or (= main_x main_y) (<= (select main_a main_x) 2)), 11155#(or (= main_x main_y) (<= (select main_a main_x) 3)), 11156#(or (<= (select main_a main_x) 4) (= main_x main_y)), 11157#(or (<= (select main_a main_x) 5) (= main_x main_y)), 11158#(or (<= (select main_a main_x) 6) (= main_x main_y)), 11159#(or (<= (select main_a main_x) 7) (= main_x main_y)), 11160#(or (<= (select main_a main_x) 8) (= main_x main_y)), 11161#(or (= main_x main_y) (<= (select main_a main_x) 9)), 11162#(or (= main_x main_y) (<= (select main_a main_x) 10)), 11163#(or (= main_x main_y) (<= (select main_a main_x) 11)), 11164#(or (<= (select main_a main_x) 12) (= main_x main_y)), 11165#(or (= main_x main_y) (<= (select main_a main_x) 13)), 11166#(or (<= (select main_a main_x) 14) (= main_x main_y)), 11167#(or (<= (select main_a main_x) 15) (= main_x main_y)), 11168#(or (<= (select main_a main_x) 16) (= main_x main_y)), 11169#(or (= main_x main_y) (<= (select main_a main_x) 17)), 11170#(or (<= (select main_a main_x) 18) (= main_x main_y)), 11171#(or (<= (select main_a main_x) 19) (= main_x main_y)), 11172#(or (= main_x main_y) (<= (select main_a main_x) 20)), 11173#(or (<= (select main_a main_x) 21) (= main_x main_y)), 11174#(or (= main_x main_y) (<= (select main_a main_x) 22)), 11175#(or (= main_x main_y) (<= (select main_a main_x) 23)), 11176#(or (<= (select main_a main_x) 24) (= main_x main_y)), 11177#(or (= main_x main_y) (<= (select main_a main_x) 25)), 11178#(or (<= (select main_a main_x) 26) (= main_x main_y)), 11179#(or (<= (select main_a main_x) 27) (= main_x main_y)), 11180#(or (<= (select main_a main_x) 28) (= main_x main_y)), 11181#(or (<= (select main_a main_x) 29) (= main_x main_y)), 11182#(or (= main_x main_y) (<= (select main_a main_x) 30)), 11183#(or (<= (select main_a main_x) 31) (= main_x main_y)), 11184#(or (<= (select main_a main_x) 32) (= main_x main_y)), 11185#(or (<= (select main_a main_x) 33) (= main_x main_y)), 11186#(or (<= (select main_a main_x) 34) (= main_x main_y)), 11187#(or (<= (select main_a main_x) 35) (= main_x main_y)), 11188#(or (<= (select main_a main_x) 36) (= main_x main_y)), 11189#(or (<= (select main_a main_x) 37) (= main_x main_y)), 11190#(or (<= (select main_a main_x) 38) (= main_x main_y)), 11191#(or (<= (select main_a main_x) 39) (= main_x main_y)), 11192#(or (<= (select main_a main_x) 40) (= main_x main_y)), 11193#(or (<= (select main_a main_x) 41) (= main_x main_y)), 11194#(or (<= (select main_a main_x) 42) (= main_x main_y)), 11195#(or (= main_x main_y) (<= (select main_a main_x) 43)), 11196#(or (= main_x main_y) (<= (select main_a main_x) 44)), 11197#(or (= main_x main_y) (<= (select main_a main_x) 45)), 11198#(or (<= (select main_a main_x) 46) (= main_x main_y)), 11199#(or (<= (select main_a main_x) 47) (= main_x main_y)), 11200#(or (<= (select main_a main_x) 48) (= main_x main_y)), 11201#(or (<= (select main_a main_x) 49) (= main_x main_y)), 11202#(or (<= (select main_a main_x) 50) (= main_x main_y)), 11203#(or (<= (select main_a main_x) 51) (= main_x main_y)), 11204#(or (= main_x main_y) (<= (select main_a main_x) 52)), 11205#(or (<= (select main_a main_x) 53) (= main_x main_y)), 11206#(or (<= (select main_a main_x) 54) (= main_x main_y)), 11207#(or (<= (select main_a main_x) 55) (= main_x main_y)), 11208#(or (= main_x main_y) (<= (select main_a main_x) 56)), 11209#(or (<= (select main_a main_x) 57) (= main_x main_y)), 11210#(or (<= (select main_a main_x) 58) (= main_x main_y)), 11211#(or (= main_x main_y) (<= (select main_a main_x) 59)), 11212#(or (= main_x main_y) (<= (select main_a main_x) 60)), 11213#(or (= main_x main_y) (<= (select main_a main_x) 61)), 11214#(or (not (= (select main_a main_x) 1000)) (= main_x main_y))] [2018-07-23 13:56:12,743 INFO L134 CoverageAnalysis]: Checked inductivity of 1953 backedges. 0 proven. 1953 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-07-23 13:56:12,743 INFO L450 AbstractCegarLoop]: Interpolant automaton has 65 states [2018-07-23 13:56:12,744 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 65 interpolants. [2018-07-23 13:56:12,745 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=2080, Invalid=2080, Unknown=0, NotChecked=0, Total=4160 [2018-07-23 13:56:12,745 INFO L87 Difference]: Start difference. First operand 66 states and 66 transitions. Second operand 65 states. [2018-07-23 13:56:12,807 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-07-23 13:56:12,807 INFO L93 Difference]: Finished difference Result 69 states and 69 transitions. [2018-07-23 13:56:12,808 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 65 states. [2018-07-23 13:56:12,808 INFO L78 Accepts]: Start accepts. Automaton has 65 states. Word has length 65 [2018-07-23 13:56:12,808 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-07-23 13:56:12,808 INFO L225 Difference]: With dead ends: 69 [2018-07-23 13:56:12,808 INFO L226 Difference]: Without dead ends: 67 [2018-07-23 13:56:12,810 INFO L575 BasicCegarLoop]: 0 DeclaredPredicates, 64 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 63 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=2080, Invalid=2080, Unknown=0, NotChecked=0, Total=4160 [2018-07-23 13:56:12,810 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 67 states. [2018-07-23 13:56:12,816 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 67 to 67. [2018-07-23 13:56:12,816 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 67 states. [2018-07-23 13:56:12,816 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 67 states to 67 states and 67 transitions. [2018-07-23 13:56:12,816 INFO L78 Accepts]: Start accepts. Automaton has 67 states and 67 transitions. Word has length 65 [2018-07-23 13:56:12,816 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-07-23 13:56:12,817 INFO L471 AbstractCegarLoop]: Abstraction has 67 states and 67 transitions. [2018-07-23 13:56:12,817 INFO L472 AbstractCegarLoop]: Interpolant automaton has 65 states. [2018-07-23 13:56:12,817 INFO L276 IsEmpty]: Start isEmpty. Operand 67 states and 67 transitions. [2018-07-23 13:56:12,817 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 67 [2018-07-23 13:56:12,817 INFO L349 BasicCegarLoop]: Found error trace [2018-07-23 13:56:12,817 INFO L357 BasicCegarLoop]: trace histogram [63, 1, 1, 1] [2018-07-23 13:56:12,818 INFO L414 AbstractCegarLoop]: === Iteration 64 === [mainErr0AssertViolationASSERT]=== [2018-07-23 13:56:12,818 INFO L82 PathProgramCache]: Analyzing trace with hash 1633774662, now seen corresponding path program 63 times [2018-07-23 13:56:12,818 INFO L69 tionRefinementEngine]: Using refinement strategy FixedRefinementStrategy [2018-07-23 13:56:12,867 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-07-23 13:56:13,366 INFO L134 CoverageAnalysis]: Checked inductivity of 2016 backedges. 0 proven. 2016 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-07-23 13:56:13,367 INFO L309 seRefinementStrategy]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2018-07-23 13:56:13,367 INFO L324 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [65] total 65 [2018-07-23 13:56:13,367 INFO L142 lantAutomatonBuilder]: Constructing canonical interpolant automaton, with selfloop in false state [2018-07-23 13:56:13,368 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 13:56:13,368 INFO L185 omatonBuilderFactory]: Interpolants [11520#(or (<= (select main_a main_x) 31) (= main_x main_y)), 11521#(or (<= (select main_a main_x) 32) (= main_x main_y)), 11522#(or (<= (select main_a main_x) 33) (= main_x main_y)), 11523#(or (<= (select main_a main_x) 34) (= main_x main_y)), 11524#(or (<= (select main_a main_x) 35) (= main_x main_y)), 11525#(or (<= (select main_a main_x) 36) (= main_x main_y)), 11526#(or (<= (select main_a main_x) 37) (= main_x main_y)), 11527#(or (<= (select main_a main_x) 38) (= main_x main_y)), 11528#(or (<= (select main_a main_x) 39) (= main_x main_y)), 11529#(or (<= (select main_a main_x) 40) (= main_x main_y)), 11530#(or (<= (select main_a main_x) 41) (= main_x main_y)), 11531#(or (<= (select main_a main_x) 42) (= main_x main_y)), 11532#(or (= main_x main_y) (<= (select main_a main_x) 43)), 11533#(or (= main_x main_y) (<= (select main_a main_x) 44)), 11534#(or (= main_x main_y) (<= (select main_a main_x) 45)), 11535#(or (<= (select main_a main_x) 46) (= main_x main_y)), 11536#(or (<= (select main_a main_x) 47) (= main_x main_y)), 11537#(or (<= (select main_a main_x) 48) (= main_x main_y)), 11538#(or (<= (select main_a main_x) 49) (= main_x main_y)), 11539#(or (<= (select main_a main_x) 50) (= main_x main_y)), 11540#(or (<= (select main_a main_x) 51) (= main_x main_y)), 11541#(or (= main_x main_y) (<= (select main_a main_x) 52)), 11542#(or (<= (select main_a main_x) 53) (= main_x main_y)), 11543#(or (<= (select main_a main_x) 54) (= main_x main_y)), 11544#(or (<= (select main_a main_x) 55) (= main_x main_y)), 11545#(or (= main_x main_y) (<= (select main_a main_x) 56)), 11546#(or (<= (select main_a main_x) 57) (= main_x main_y)), 11547#(or (<= (select main_a main_x) 58) (= main_x main_y)), 11548#(or (= main_x main_y) (<= (select main_a main_x) 59)), 11549#(or (= main_x main_y) (<= (select main_a main_x) 60)), 11550#(or (= main_x main_y) (<= (select main_a main_x) 61)), 11551#(or (<= (select main_a main_x) 62) (= main_x main_y)), 11552#(or (not (= (select main_a main_x) 1000)) (= main_x main_y)), 11487#true, 11488#false, 11489#(or (= 0 (select main_a main_x)) (= main_x main_y)), 11490#(or (<= (select main_a main_x) 1) (= main_x main_y)), 11491#(or (= main_x main_y) (<= (select main_a main_x) 2)), 11492#(or (= main_x main_y) (<= (select main_a main_x) 3)), 11493#(or (<= (select main_a main_x) 4) (= main_x main_y)), 11494#(or (<= (select main_a main_x) 5) (= main_x main_y)), 11495#(or (<= (select main_a main_x) 6) (= main_x main_y)), 11496#(or (<= (select main_a main_x) 7) (= main_x main_y)), 11497#(or (<= (select main_a main_x) 8) (= main_x main_y)), 11498#(or (= main_x main_y) (<= (select main_a main_x) 9)), 11499#(or (= main_x main_y) (<= (select main_a main_x) 10)), 11500#(or (= main_x main_y) (<= (select main_a main_x) 11)), 11501#(or (<= (select main_a main_x) 12) (= main_x main_y)), 11502#(or (= main_x main_y) (<= (select main_a main_x) 13)), 11503#(or (<= (select main_a main_x) 14) (= main_x main_y)), 11504#(or (<= (select main_a main_x) 15) (= main_x main_y)), 11505#(or (<= (select main_a main_x) 16) (= main_x main_y)), 11506#(or (= main_x main_y) (<= (select main_a main_x) 17)), 11507#(or (<= (select main_a main_x) 18) (= main_x main_y)), 11508#(or (<= (select main_a main_x) 19) (= main_x main_y)), 11509#(or (= main_x main_y) (<= (select main_a main_x) 20)), 11510#(or (<= (select main_a main_x) 21) (= main_x main_y)), 11511#(or (= main_x main_y) (<= (select main_a main_x) 22)), 11512#(or (= main_x main_y) (<= (select main_a main_x) 23)), 11513#(or (<= (select main_a main_x) 24) (= main_x main_y)), 11514#(or (= main_x main_y) (<= (select main_a main_x) 25)), 11515#(or (<= (select main_a main_x) 26) (= main_x main_y)), 11516#(or (<= (select main_a main_x) 27) (= main_x main_y)), 11517#(or (<= (select main_a main_x) 28) (= main_x main_y)), 11518#(or (<= (select main_a main_x) 29) (= main_x main_y)), 11519#(or (= main_x main_y) (<= (select main_a main_x) 30))] [2018-07-23 13:56:13,369 INFO L134 CoverageAnalysis]: Checked inductivity of 2016 backedges. 0 proven. 2016 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-07-23 13:56:13,369 INFO L450 AbstractCegarLoop]: Interpolant automaton has 66 states [2018-07-23 13:56:13,369 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 66 interpolants. [2018-07-23 13:56:13,370 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=2145, Invalid=2145, Unknown=0, NotChecked=0, Total=4290 [2018-07-23 13:56:13,370 INFO L87 Difference]: Start difference. First operand 67 states and 67 transitions. Second operand 66 states. [2018-07-23 13:56:13,421 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-07-23 13:56:13,421 INFO L93 Difference]: Finished difference Result 70 states and 70 transitions. [2018-07-23 13:56:13,421 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 66 states. [2018-07-23 13:56:13,421 INFO L78 Accepts]: Start accepts. Automaton has 66 states. Word has length 66 [2018-07-23 13:56:13,422 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-07-23 13:56:13,422 INFO L225 Difference]: With dead ends: 70 [2018-07-23 13:56:13,422 INFO L226 Difference]: Without dead ends: 68 [2018-07-23 13:56:13,423 INFO L575 BasicCegarLoop]: 0 DeclaredPredicates, 65 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 64 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=2145, Invalid=2145, Unknown=0, NotChecked=0, Total=4290 [2018-07-23 13:56:13,423 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 68 states. [2018-07-23 13:56:13,431 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 68 to 68. [2018-07-23 13:56:13,431 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 68 states. [2018-07-23 13:56:13,431 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 68 states to 68 states and 68 transitions. [2018-07-23 13:56:13,431 INFO L78 Accepts]: Start accepts. Automaton has 68 states and 68 transitions. Word has length 66 [2018-07-23 13:56:13,431 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-07-23 13:56:13,432 INFO L471 AbstractCegarLoop]: Abstraction has 68 states and 68 transitions. [2018-07-23 13:56:13,432 INFO L472 AbstractCegarLoop]: Interpolant automaton has 66 states. [2018-07-23 13:56:13,432 INFO L276 IsEmpty]: Start isEmpty. Operand 68 states and 68 transitions. [2018-07-23 13:56:13,432 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 68 [2018-07-23 13:56:13,433 INFO L349 BasicCegarLoop]: Found error trace [2018-07-23 13:56:13,433 INFO L357 BasicCegarLoop]: trace histogram [64, 1, 1, 1] [2018-07-23 13:56:13,433 INFO L414 AbstractCegarLoop]: === Iteration 65 === [mainErr0AssertViolationASSERT]=== [2018-07-23 13:56:13,433 INFO L82 PathProgramCache]: Analyzing trace with hash -892596896, now seen corresponding path program 64 times [2018-07-23 13:56:13,433 INFO L69 tionRefinementEngine]: Using refinement strategy FixedRefinementStrategy [2018-07-23 13:56:13,482 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-07-23 13:56:13,913 INFO L134 CoverageAnalysis]: Checked inductivity of 2080 backedges. 0 proven. 2080 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-07-23 13:56:13,913 INFO L309 seRefinementStrategy]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2018-07-23 13:56:13,913 INFO L324 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [66] total 66 [2018-07-23 13:56:13,914 INFO L142 lantAutomatonBuilder]: Constructing canonical interpolant automaton, with selfloop in false state [2018-07-23 13:56:13,914 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-07-23 13:56:13,914 INFO L185 omatonBuilderFactory]: Interpolants [11829#true, 11830#false, 11831#(or (= 0 (select main_a main_x)) (= main_x main_y)), 11832#(or (<= (select main_a main_x) 1) (= main_x main_y)), 11833#(or (= main_x main_y) (<= (select main_a main_x) 2)), 11834#(or (= main_x main_y) (<= (select main_a main_x) 3)), 11835#(or (<= (select main_a main_x) 4) (= main_x main_y)), 11836#(or (<= (select main_a main_x) 5) (= main_x main_y)), 11837#(or (<= (select main_a main_x) 6) (= main_x main_y)), 11838#(or (<= (select main_a main_x) 7) (= main_x main_y)), 11839#(or (<= (select main_a main_x) 8) (= main_x main_y)), 11840#(or (= main_x main_y) (<= (select main_a main_x) 9)), 11841#(or (= main_x main_y) (<= (select main_a main_x) 10)), 11842#(or (= main_x main_y) (<= (select main_a main_x) 11)), 11843#(or (<= (select main_a main_x) 12) (= main_x main_y)), 11844#(or (= main_x main_y) (<= (select main_a main_x) 13)), 11845#(or (<= (select main_a main_x) 14) (= main_x main_y)), 11846#(or (<= (select main_a main_x) 15) (= main_x main_y)), 11847#(or (<= (select main_a main_x) 16) (= main_x main_y)), 11848#(or (= main_x main_y) (<= (select main_a main_x) 17)), 11849#(or (<= (select main_a main_x) 18) (= main_x main_y)), 11850#(or (<= (select main_a main_x) 19) (= main_x main_y)), 11851#(or (= main_x main_y) (<= (select main_a main_x) 20)), 11852#(or (<= (select main_a main_x) 21) (= main_x main_y)), 11853#(or (= main_x main_y) (<= (select main_a main_x) 22)), 11854#(or (= main_x main_y) (<= (select main_a main_x) 23)), 11855#(or (<= (select main_a main_x) 24) (= main_x main_y)), 11856#(or (= main_x main_y) (<= (select main_a main_x) 25)), 11857#(or (<= (select main_a main_x) 26) (= main_x main_y)), 11858#(or (<= (select main_a main_x) 27) (= main_x main_y)), 11859#(or (<= (select main_a main_x) 28) (= main_x main_y)), 11860#(or (<= (select main_a main_x) 29) (= main_x main_y)), 11861#(or (= main_x main_y) (<= (select main_a main_x) 30)), 11862#(or (<= (select main_a main_x) 31) (= main_x main_y)), 11863#(or (<= (select main_a main_x) 32) (= main_x main_y)), 11864#(or (<= (select main_a main_x) 33) (= main_x main_y)), 11865#(or (<= (select main_a main_x) 34) (= main_x main_y)), 11866#(or (<= (select main_a main_x) 35) (= main_x main_y)), 11867#(or (<= (select main_a main_x) 36) (= main_x main_y)), 11868#(or (<= (select main_a main_x) 37) (= main_x main_y)), 11869#(or (<= (select main_a main_x) 38) (= main_x main_y)), 11870#(or (<= (select main_a main_x) 39) (= main_x main_y)), 11871#(or (<= (select main_a main_x) 40) (= main_x main_y)), 11872#(or (<= (select main_a main_x) 41) (= main_x main_y)), 11873#(or (<= (select main_a main_x) 42) (= main_x main_y)), 11874#(or (= main_x main_y) (<= (select main_a main_x) 43)), 11875#(or (= main_x main_y) (<= (select main_a main_x) 44)), 11876#(or (= main_x main_y) (<= (select main_a main_x) 45)), 11877#(or (<= (select main_a main_x) 46) (= main_x main_y)), 11878#(or (<= (select main_a main_x) 47) (= main_x main_y)), 11879#(or (<= (select main_a main_x) 48) (= main_x main_y)), 11880#(or (<= (select main_a main_x) 49) (= main_x main_y)), 11881#(or (<= (select main_a main_x) 50) (= main_x main_y)), 11882#(or (<= (select main_a main_x) 51) (= main_x main_y)), 11883#(or (= main_x main_y) (<= (select main_a main_x) 52)), 11884#(or (<= (select main_a main_x) 53) (= main_x main_y)), 11885#(or (<= (select main_a main_x) 54) (= main_x main_y)), 11886#(or (<= (select main_a main_x) 55) (= main_x main_y)), 11887#(or (= main_x main_y) (<= (select main_a main_x) 56)), 11888#(or (<= (select main_a main_x) 57) (= main_x main_y)), 11889#(or (<= (select main_a main_x) 58) (= main_x main_y)), 11890#(or (= main_x main_y) (<= (select main_a main_x) 59)), 11891#(or (= main_x main_y) (<= (select main_a main_x) 60)), 11892#(or (= main_x main_y) (<= (select main_a main_x) 61)), 11893#(or (<= (select main_a main_x) 62) (= main_x main_y)), 11894#(or (<= (select main_a main_x) 63) (= main_x main_y)), 11895#(or (not (= (select main_a main_x) 1000)) (= main_x main_y))] [2018-07-23 13:56:13,915 INFO L134 CoverageAnalysis]: Checked inductivity of 2080 backedges. 0 proven. 2080 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-07-23 13:56:13,915 INFO L450 AbstractCegarLoop]: Interpolant automaton has 67 states [2018-07-23 13:56:13,915 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 67 interpolants. [2018-07-23 13:56:13,916 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=2211, Invalid=2211, Unknown=0, NotChecked=0, Total=4422 [2018-07-23 13:56:13,916 INFO L87 Difference]: Start difference. First operand 68 states and 68 transitions. Second operand 67 states. [2018-07-23 13:56:13,989 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-07-23 13:56:13,989 INFO L93 Difference]: Finished difference Result 71 states and 71 transitions. [2018-07-23 13:56:13,990 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 67 states. [2018-07-23 13:56:13,990 INFO L78 Accepts]: Start accepts. Automaton has 67 states. Word has length 67 [2018-07-23 13:56:13,990 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-07-23 13:56:13,990 INFO L225 Difference]: With dead ends: 71 [2018-07-23 13:56:13,990 INFO L226 Difference]: Without dead ends: 69 [2018-07-23 13:56:13,991 INFO L575 BasicCegarLoop]: 0 DeclaredPredicates, 66 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 65 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=2211, Invalid=2211, Unknown=0, NotChecked=0, Total=4422 [2018-07-23 13:56:13,991 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 69 states. [2018-07-23 13:56:13,998 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 69 to 69. [2018-07-23 13:56:13,998 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 69 states. [2018-07-23 13:56:13,999 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 69 states to 69 states and 69 transitions. [2018-07-23 13:56:13,999 INFO L78 Accepts]: Start accepts. Automaton has 69 states and 69 transitions. Word has length 67 [2018-07-23 13:56:13,999 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-07-23 13:56:13,999 INFO L471 AbstractCegarLoop]: Abstraction has 69 states and 69 transitions. [2018-07-23 13:56:13,999 INFO L472 AbstractCegarLoop]: Interpolant automaton has 67 states. [2018-07-23 13:56:13,999 INFO L276 IsEmpty]: Start isEmpty. Operand 69 states and 69 transitions. [2018-07-23 13:56:14,000 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 69 [2018-07-23 13:56:14,000 INFO L349 BasicCegarLoop]: Found error trace [2018-07-23 13:56:14,000 INFO L357 BasicCegarLoop]: trace histogram [65, 1, 1, 1] [2018-07-23 13:56:14,001 INFO L414 AbstractCegarLoop]: === Iteration 66 === [mainErr0AssertViolationASSERT]=== [2018-07-23 13:56:14,001 INFO L82 PathProgramCache]: Analyzing trace with hash -1900703866, now seen corresponding path program 65 times [2018-07-23 13:56:14,001 INFO L69 tionRefinementEngine]: Using refinement strategy FixedRefinementStrategy [2018-07-23 13:56:14,058 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-07-23 13:56:14,498 INFO L134 CoverageAnalysis]: Checked inductivity of 2145 backedges. 0 proven. 2145 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-07-23 13:56:14,499 INFO L309 seRefinementStrategy]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2018-07-23 13:56:14,499 INFO L324 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [67] total 67 [2018-07-23 13:56:14,499 INFO L142 lantAutomatonBuilder]: Constructing canonical interpolant automaton, with selfloop in false state [2018-07-23 13:56:14,499 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 13:56:14,500 INFO L185 omatonBuilderFactory]: Interpolants [12176#true, 12177#false, 12178#(or (= 0 (select main_a main_x)) (= main_x main_y)), 12179#(or (<= (select main_a main_x) 1) (= main_x main_y)), 12180#(or (= main_x main_y) (<= (select main_a main_x) 2)), 12181#(or (= main_x main_y) (<= (select main_a main_x) 3)), 12182#(or (<= (select main_a main_x) 4) (= main_x main_y)), 12183#(or (<= (select main_a main_x) 5) (= main_x main_y)), 12184#(or (<= (select main_a main_x) 6) (= main_x main_y)), 12185#(or (<= (select main_a main_x) 7) (= main_x main_y)), 12186#(or (<= (select main_a main_x) 8) (= main_x main_y)), 12187#(or (= main_x main_y) (<= (select main_a main_x) 9)), 12188#(or (= main_x main_y) (<= (select main_a main_x) 10)), 12189#(or (= main_x main_y) (<= (select main_a main_x) 11)), 12190#(or (<= (select main_a main_x) 12) (= main_x main_y)), 12191#(or (= main_x main_y) (<= (select main_a main_x) 13)), 12192#(or (<= (select main_a main_x) 14) (= main_x main_y)), 12193#(or (<= (select main_a main_x) 15) (= main_x main_y)), 12194#(or (<= (select main_a main_x) 16) (= main_x main_y)), 12195#(or (= main_x main_y) (<= (select main_a main_x) 17)), 12196#(or (<= (select main_a main_x) 18) (= main_x main_y)), 12197#(or (<= (select main_a main_x) 19) (= main_x main_y)), 12198#(or (= main_x main_y) (<= (select main_a main_x) 20)), 12199#(or (<= (select main_a main_x) 21) (= main_x main_y)), 12200#(or (= main_x main_y) (<= (select main_a main_x) 22)), 12201#(or (= main_x main_y) (<= (select main_a main_x) 23)), 12202#(or (<= (select main_a main_x) 24) (= main_x main_y)), 12203#(or (= main_x main_y) (<= (select main_a main_x) 25)), 12204#(or (<= (select main_a main_x) 26) (= main_x main_y)), 12205#(or (<= (select main_a main_x) 27) (= main_x main_y)), 12206#(or (<= (select main_a main_x) 28) (= main_x main_y)), 12207#(or (<= (select main_a main_x) 29) (= main_x main_y)), 12208#(or (= main_x main_y) (<= (select main_a main_x) 30)), 12209#(or (<= (select main_a main_x) 31) (= main_x main_y)), 12210#(or (<= (select main_a main_x) 32) (= main_x main_y)), 12211#(or (<= (select main_a main_x) 33) (= main_x main_y)), 12212#(or (<= (select main_a main_x) 34) (= main_x main_y)), 12213#(or (<= (select main_a main_x) 35) (= main_x main_y)), 12214#(or (<= (select main_a main_x) 36) (= main_x main_y)), 12215#(or (<= (select main_a main_x) 37) (= main_x main_y)), 12216#(or (<= (select main_a main_x) 38) (= main_x main_y)), 12217#(or (<= (select main_a main_x) 39) (= main_x main_y)), 12218#(or (<= (select main_a main_x) 40) (= main_x main_y)), 12219#(or (<= (select main_a main_x) 41) (= main_x main_y)), 12220#(or (<= (select main_a main_x) 42) (= main_x main_y)), 12221#(or (= main_x main_y) (<= (select main_a main_x) 43)), 12222#(or (= main_x main_y) (<= (select main_a main_x) 44)), 12223#(or (= main_x main_y) (<= (select main_a main_x) 45)), 12224#(or (<= (select main_a main_x) 46) (= main_x main_y)), 12225#(or (<= (select main_a main_x) 47) (= main_x main_y)), 12226#(or (<= (select main_a main_x) 48) (= main_x main_y)), 12227#(or (<= (select main_a main_x) 49) (= main_x main_y)), 12228#(or (<= (select main_a main_x) 50) (= main_x main_y)), 12229#(or (<= (select main_a main_x) 51) (= main_x main_y)), 12230#(or (= main_x main_y) (<= (select main_a main_x) 52)), 12231#(or (<= (select main_a main_x) 53) (= main_x main_y)), 12232#(or (<= (select main_a main_x) 54) (= main_x main_y)), 12233#(or (<= (select main_a main_x) 55) (= main_x main_y)), 12234#(or (= main_x main_y) (<= (select main_a main_x) 56)), 12235#(or (<= (select main_a main_x) 57) (= main_x main_y)), 12236#(or (<= (select main_a main_x) 58) (= main_x main_y)), 12237#(or (= main_x main_y) (<= (select main_a main_x) 59)), 12238#(or (= main_x main_y) (<= (select main_a main_x) 60)), 12239#(or (= main_x main_y) (<= (select main_a main_x) 61)), 12240#(or (<= (select main_a main_x) 62) (= main_x main_y)), 12241#(or (<= (select main_a main_x) 63) (= main_x main_y)), 12242#(or (= main_x main_y) (<= (select main_a main_x) 64)), 12243#(or (not (= (select main_a main_x) 1000)) (= main_x main_y))] [2018-07-23 13:56:14,500 INFO L134 CoverageAnalysis]: Checked inductivity of 2145 backedges. 0 proven. 2145 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-07-23 13:56:14,500 INFO L450 AbstractCegarLoop]: Interpolant automaton has 68 states [2018-07-23 13:56:14,501 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 68 interpolants. [2018-07-23 13:56:14,501 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=2278, Invalid=2278, Unknown=0, NotChecked=0, Total=4556 [2018-07-23 13:56:14,501 INFO L87 Difference]: Start difference. First operand 69 states and 69 transitions. Second operand 68 states. [2018-07-23 13:56:14,567 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-07-23 13:56:14,567 INFO L93 Difference]: Finished difference Result 72 states and 72 transitions. [2018-07-23 13:56:14,568 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 68 states. [2018-07-23 13:56:14,568 INFO L78 Accepts]: Start accepts. Automaton has 68 states. Word has length 68 [2018-07-23 13:56:14,568 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-07-23 13:56:14,568 INFO L225 Difference]: With dead ends: 72 [2018-07-23 13:56:14,568 INFO L226 Difference]: Without dead ends: 70 [2018-07-23 13:56:14,569 INFO L575 BasicCegarLoop]: 0 DeclaredPredicates, 67 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 66 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=2278, Invalid=2278, Unknown=0, NotChecked=0, Total=4556 [2018-07-23 13:56:14,569 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 70 states. [2018-07-23 13:56:14,575 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 70 to 70. [2018-07-23 13:56:14,575 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 70 states. [2018-07-23 13:56:14,576 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 70 states to 70 states and 70 transitions. [2018-07-23 13:56:14,576 INFO L78 Accepts]: Start accepts. Automaton has 70 states and 70 transitions. Word has length 68 [2018-07-23 13:56:14,576 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-07-23 13:56:14,576 INFO L471 AbstractCegarLoop]: Abstraction has 70 states and 70 transitions. [2018-07-23 13:56:14,576 INFO L472 AbstractCegarLoop]: Interpolant automaton has 68 states. [2018-07-23 13:56:14,577 INFO L276 IsEmpty]: Start isEmpty. Operand 70 states and 70 transitions. [2018-07-23 13:56:14,577 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 70 [2018-07-23 13:56:14,577 INFO L349 BasicCegarLoop]: Found error trace [2018-07-23 13:56:14,577 INFO L357 BasicCegarLoop]: trace histogram [66, 1, 1, 1] [2018-07-23 13:56:14,577 INFO L414 AbstractCegarLoop]: === Iteration 67 === [mainErr0AssertViolationASSERT]=== [2018-07-23 13:56:14,578 INFO L82 PathProgramCache]: Analyzing trace with hash 1207718432, now seen corresponding path program 66 times [2018-07-23 13:56:14,578 INFO L69 tionRefinementEngine]: Using refinement strategy FixedRefinementStrategy [2018-07-23 13:56:14,629 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-07-23 13:56:15,066 INFO L134 CoverageAnalysis]: Checked inductivity of 2211 backedges. 0 proven. 2211 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-07-23 13:56:15,067 INFO L309 seRefinementStrategy]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2018-07-23 13:56:15,067 INFO L324 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [68] total 68 [2018-07-23 13:56:15,067 INFO L142 lantAutomatonBuilder]: Constructing canonical interpolant automaton, with selfloop in false state [2018-07-23 13:56:15,067 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-07-23 13:56:15,068 INFO L185 omatonBuilderFactory]: Interpolants [12544#(or (<= (select main_a main_x) 14) (= main_x main_y)), 12545#(or (<= (select main_a main_x) 15) (= main_x main_y)), 12546#(or (<= (select main_a main_x) 16) (= main_x main_y)), 12547#(or (= main_x main_y) (<= (select main_a main_x) 17)), 12548#(or (<= (select main_a main_x) 18) (= main_x main_y)), 12549#(or (<= (select main_a main_x) 19) (= main_x main_y)), 12550#(or (= main_x main_y) (<= (select main_a main_x) 20)), 12551#(or (<= (select main_a main_x) 21) (= main_x main_y)), 12552#(or (= main_x main_y) (<= (select main_a main_x) 22)), 12553#(or (= main_x main_y) (<= (select main_a main_x) 23)), 12554#(or (<= (select main_a main_x) 24) (= main_x main_y)), 12555#(or (= main_x main_y) (<= (select main_a main_x) 25)), 12556#(or (<= (select main_a main_x) 26) (= main_x main_y)), 12557#(or (<= (select main_a main_x) 27) (= main_x main_y)), 12558#(or (<= (select main_a main_x) 28) (= main_x main_y)), 12559#(or (<= (select main_a main_x) 29) (= main_x main_y)), 12560#(or (= main_x main_y) (<= (select main_a main_x) 30)), 12561#(or (<= (select main_a main_x) 31) (= main_x main_y)), 12562#(or (<= (select main_a main_x) 32) (= main_x main_y)), 12563#(or (<= (select main_a main_x) 33) (= main_x main_y)), 12564#(or (<= (select main_a main_x) 34) (= main_x main_y)), 12565#(or (<= (select main_a main_x) 35) (= main_x main_y)), 12566#(or (<= (select main_a main_x) 36) (= main_x main_y)), 12567#(or (<= (select main_a main_x) 37) (= main_x main_y)), 12568#(or (<= (select main_a main_x) 38) (= main_x main_y)), 12569#(or (<= (select main_a main_x) 39) (= main_x main_y)), 12570#(or (<= (select main_a main_x) 40) (= main_x main_y)), 12571#(or (<= (select main_a main_x) 41) (= main_x main_y)), 12572#(or (<= (select main_a main_x) 42) (= main_x main_y)), 12573#(or (= main_x main_y) (<= (select main_a main_x) 43)), 12574#(or (= main_x main_y) (<= (select main_a main_x) 44)), 12575#(or (= main_x main_y) (<= (select main_a main_x) 45)), 12576#(or (<= (select main_a main_x) 46) (= main_x main_y)), 12577#(or (<= (select main_a main_x) 47) (= main_x main_y)), 12578#(or (<= (select main_a main_x) 48) (= main_x main_y)), 12579#(or (<= (select main_a main_x) 49) (= main_x main_y)), 12580#(or (<= (select main_a main_x) 50) (= main_x main_y)), 12581#(or (<= (select main_a main_x) 51) (= main_x main_y)), 12582#(or (= main_x main_y) (<= (select main_a main_x) 52)), 12583#(or (<= (select main_a main_x) 53) (= main_x main_y)), 12584#(or (<= (select main_a main_x) 54) (= main_x main_y)), 12585#(or (<= (select main_a main_x) 55) (= main_x main_y)), 12586#(or (= main_x main_y) (<= (select main_a main_x) 56)), 12587#(or (<= (select main_a main_x) 57) (= main_x main_y)), 12588#(or (<= (select main_a main_x) 58) (= main_x main_y)), 12589#(or (= main_x main_y) (<= (select main_a main_x) 59)), 12590#(or (= main_x main_y) (<= (select main_a main_x) 60)), 12591#(or (= main_x main_y) (<= (select main_a main_x) 61)), 12592#(or (<= (select main_a main_x) 62) (= main_x main_y)), 12593#(or (<= (select main_a main_x) 63) (= main_x main_y)), 12594#(or (= main_x main_y) (<= (select main_a main_x) 64)), 12595#(or (<= (select main_a main_x) 65) (= main_x main_y)), 12596#(or (not (= (select main_a main_x) 1000)) (= main_x main_y)), 12528#true, 12529#false, 12530#(or (= 0 (select main_a main_x)) (= main_x main_y)), 12531#(or (<= (select main_a main_x) 1) (= main_x main_y)), 12532#(or (= main_x main_y) (<= (select main_a main_x) 2)), 12533#(or (= main_x main_y) (<= (select main_a main_x) 3)), 12534#(or (<= (select main_a main_x) 4) (= main_x main_y)), 12535#(or (<= (select main_a main_x) 5) (= main_x main_y)), 12536#(or (<= (select main_a main_x) 6) (= main_x main_y)), 12537#(or (<= (select main_a main_x) 7) (= main_x main_y)), 12538#(or (<= (select main_a main_x) 8) (= main_x main_y)), 12539#(or (= main_x main_y) (<= (select main_a main_x) 9)), 12540#(or (= main_x main_y) (<= (select main_a main_x) 10)), 12541#(or (= main_x main_y) (<= (select main_a main_x) 11)), 12542#(or (<= (select main_a main_x) 12) (= main_x main_y)), 12543#(or (= main_x main_y) (<= (select main_a main_x) 13))] [2018-07-23 13:56:15,068 INFO L134 CoverageAnalysis]: Checked inductivity of 2211 backedges. 0 proven. 2211 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-07-23 13:56:15,068 INFO L450 AbstractCegarLoop]: Interpolant automaton has 69 states [2018-07-23 13:56:15,069 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 69 interpolants. [2018-07-23 13:56:15,069 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=2346, Invalid=2346, Unknown=0, NotChecked=0, Total=4692 [2018-07-23 13:56:15,069 INFO L87 Difference]: Start difference. First operand 70 states and 70 transitions. Second operand 69 states. [2018-07-23 13:56:15,127 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-07-23 13:56:15,127 INFO L93 Difference]: Finished difference Result 73 states and 73 transitions. [2018-07-23 13:56:15,127 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 69 states. [2018-07-23 13:56:15,127 INFO L78 Accepts]: Start accepts. Automaton has 69 states. Word has length 69 [2018-07-23 13:56:15,127 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-07-23 13:56:15,128 INFO L225 Difference]: With dead ends: 73 [2018-07-23 13:56:15,128 INFO L226 Difference]: Without dead ends: 71 [2018-07-23 13:56:15,129 INFO L575 BasicCegarLoop]: 0 DeclaredPredicates, 68 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 67 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=2346, Invalid=2346, Unknown=0, NotChecked=0, Total=4692 [2018-07-23 13:56:15,129 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 71 states. [2018-07-23 13:56:15,135 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 71 to 71. [2018-07-23 13:56:15,135 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 71 states. [2018-07-23 13:56:15,135 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 71 states to 71 states and 71 transitions. [2018-07-23 13:56:15,135 INFO L78 Accepts]: Start accepts. Automaton has 71 states and 71 transitions. Word has length 69 [2018-07-23 13:56:15,135 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-07-23 13:56:15,136 INFO L471 AbstractCegarLoop]: Abstraction has 71 states and 71 transitions. [2018-07-23 13:56:15,136 INFO L472 AbstractCegarLoop]: Interpolant automaton has 69 states. [2018-07-23 13:56:15,136 INFO L276 IsEmpty]: Start isEmpty. Operand 71 states and 71 transitions. [2018-07-23 13:56:15,136 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 71 [2018-07-23 13:56:15,136 INFO L349 BasicCegarLoop]: Found error trace [2018-07-23 13:56:15,136 INFO L357 BasicCegarLoop]: trace histogram [67, 1, 1, 1] [2018-07-23 13:56:15,137 INFO L414 AbstractCegarLoop]: === Iteration 68 === [mainErr0AssertViolationASSERT]=== [2018-07-23 13:56:15,137 INFO L82 PathProgramCache]: Analyzing trace with hash -1215438138, now seen corresponding path program 67 times [2018-07-23 13:56:15,137 INFO L69 tionRefinementEngine]: Using refinement strategy FixedRefinementStrategy [2018-07-23 13:56:15,189 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-07-23 13:56:15,649 INFO L134 CoverageAnalysis]: Checked inductivity of 2278 backedges. 0 proven. 2278 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-07-23 13:56:15,649 INFO L309 seRefinementStrategy]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2018-07-23 13:56:15,649 INFO L324 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [69] total 69 [2018-07-23 13:56:15,650 INFO L142 lantAutomatonBuilder]: Constructing canonical interpolant automaton, with selfloop in false state [2018-07-23 13:56:15,650 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-07-23 13:56:15,650 INFO L185 omatonBuilderFactory]: Interpolants [12928#(or (<= (select main_a main_x) 41) (= main_x main_y)), 12929#(or (<= (select main_a main_x) 42) (= main_x main_y)), 12930#(or (= main_x main_y) (<= (select main_a main_x) 43)), 12931#(or (= main_x main_y) (<= (select main_a main_x) 44)), 12932#(or (= main_x main_y) (<= (select main_a main_x) 45)), 12933#(or (<= (select main_a main_x) 46) (= main_x main_y)), 12934#(or (<= (select main_a main_x) 47) (= main_x main_y)), 12935#(or (<= (select main_a main_x) 48) (= main_x main_y)), 12936#(or (<= (select main_a main_x) 49) (= main_x main_y)), 12937#(or (<= (select main_a main_x) 50) (= main_x main_y)), 12938#(or (<= (select main_a main_x) 51) (= main_x main_y)), 12939#(or (= main_x main_y) (<= (select main_a main_x) 52)), 12940#(or (<= (select main_a main_x) 53) (= main_x main_y)), 12941#(or (<= (select main_a main_x) 54) (= main_x main_y)), 12942#(or (<= (select main_a main_x) 55) (= main_x main_y)), 12943#(or (= main_x main_y) (<= (select main_a main_x) 56)), 12944#(or (<= (select main_a main_x) 57) (= main_x main_y)), 12945#(or (<= (select main_a main_x) 58) (= main_x main_y)), 12946#(or (= main_x main_y) (<= (select main_a main_x) 59)), 12947#(or (= main_x main_y) (<= (select main_a main_x) 60)), 12948#(or (= main_x main_y) (<= (select main_a main_x) 61)), 12949#(or (<= (select main_a main_x) 62) (= main_x main_y)), 12950#(or (<= (select main_a main_x) 63) (= main_x main_y)), 12951#(or (= main_x main_y) (<= (select main_a main_x) 64)), 12952#(or (<= (select main_a main_x) 65) (= main_x main_y)), 12953#(or (= main_x main_y) (<= (select main_a main_x) 66)), 12954#(or (not (= (select main_a main_x) 1000)) (= main_x main_y)), 12885#true, 12886#false, 12887#(or (= 0 (select main_a main_x)) (= main_x main_y)), 12888#(or (<= (select main_a main_x) 1) (= main_x main_y)), 12889#(or (= main_x main_y) (<= (select main_a main_x) 2)), 12890#(or (= main_x main_y) (<= (select main_a main_x) 3)), 12891#(or (<= (select main_a main_x) 4) (= main_x main_y)), 12892#(or (<= (select main_a main_x) 5) (= main_x main_y)), 12893#(or (<= (select main_a main_x) 6) (= main_x main_y)), 12894#(or (<= (select main_a main_x) 7) (= main_x main_y)), 12895#(or (<= (select main_a main_x) 8) (= main_x main_y)), 12896#(or (= main_x main_y) (<= (select main_a main_x) 9)), 12897#(or (= main_x main_y) (<= (select main_a main_x) 10)), 12898#(or (= main_x main_y) (<= (select main_a main_x) 11)), 12899#(or (<= (select main_a main_x) 12) (= main_x main_y)), 12900#(or (= main_x main_y) (<= (select main_a main_x) 13)), 12901#(or (<= (select main_a main_x) 14) (= main_x main_y)), 12902#(or (<= (select main_a main_x) 15) (= main_x main_y)), 12903#(or (<= (select main_a main_x) 16) (= main_x main_y)), 12904#(or (= main_x main_y) (<= (select main_a main_x) 17)), 12905#(or (<= (select main_a main_x) 18) (= main_x main_y)), 12906#(or (<= (select main_a main_x) 19) (= main_x main_y)), 12907#(or (= main_x main_y) (<= (select main_a main_x) 20)), 12908#(or (<= (select main_a main_x) 21) (= main_x main_y)), 12909#(or (= main_x main_y) (<= (select main_a main_x) 22)), 12910#(or (= main_x main_y) (<= (select main_a main_x) 23)), 12911#(or (<= (select main_a main_x) 24) (= main_x main_y)), 12912#(or (= main_x main_y) (<= (select main_a main_x) 25)), 12913#(or (<= (select main_a main_x) 26) (= main_x main_y)), 12914#(or (<= (select main_a main_x) 27) (= main_x main_y)), 12915#(or (<= (select main_a main_x) 28) (= main_x main_y)), 12916#(or (<= (select main_a main_x) 29) (= main_x main_y)), 12917#(or (= main_x main_y) (<= (select main_a main_x) 30)), 12918#(or (<= (select main_a main_x) 31) (= main_x main_y)), 12919#(or (<= (select main_a main_x) 32) (= main_x main_y)), 12920#(or (<= (select main_a main_x) 33) (= main_x main_y)), 12921#(or (<= (select main_a main_x) 34) (= main_x main_y)), 12922#(or (<= (select main_a main_x) 35) (= main_x main_y)), 12923#(or (<= (select main_a main_x) 36) (= main_x main_y)), 12924#(or (<= (select main_a main_x) 37) (= main_x main_y)), 12925#(or (<= (select main_a main_x) 38) (= main_x main_y)), 12926#(or (<= (select main_a main_x) 39) (= main_x main_y)), 12927#(or (<= (select main_a main_x) 40) (= main_x main_y))] [2018-07-23 13:56:15,651 INFO L134 CoverageAnalysis]: Checked inductivity of 2278 backedges. 0 proven. 2278 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-07-23 13:56:15,651 INFO L450 AbstractCegarLoop]: Interpolant automaton has 70 states [2018-07-23 13:56:15,652 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 70 interpolants. [2018-07-23 13:56:15,652 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=2415, Invalid=2415, Unknown=0, NotChecked=0, Total=4830 [2018-07-23 13:56:15,653 INFO L87 Difference]: Start difference. First operand 71 states and 71 transitions. Second operand 70 states. [2018-07-23 13:56:15,696 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-07-23 13:56:15,697 INFO L93 Difference]: Finished difference Result 74 states and 74 transitions. [2018-07-23 13:56:15,697 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 70 states. [2018-07-23 13:56:15,697 INFO L78 Accepts]: Start accepts. Automaton has 70 states. Word has length 70 [2018-07-23 13:56:15,697 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-07-23 13:56:15,698 INFO L225 Difference]: With dead ends: 74 [2018-07-23 13:56:15,698 INFO L226 Difference]: Without dead ends: 72 [2018-07-23 13:56:15,698 INFO L575 BasicCegarLoop]: 0 DeclaredPredicates, 69 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 68 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=2415, Invalid=2415, Unknown=0, NotChecked=0, Total=4830 [2018-07-23 13:56:15,699 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 72 states. [2018-07-23 13:56:15,705 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 72 to 72. [2018-07-23 13:56:15,705 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 72 states. [2018-07-23 13:56:15,705 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 72 states to 72 states and 72 transitions. [2018-07-23 13:56:15,705 INFO L78 Accepts]: Start accepts. Automaton has 72 states and 72 transitions. Word has length 70 [2018-07-23 13:56:15,706 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-07-23 13:56:15,706 INFO L471 AbstractCegarLoop]: Abstraction has 72 states and 72 transitions. [2018-07-23 13:56:15,706 INFO L472 AbstractCegarLoop]: Interpolant automaton has 70 states. [2018-07-23 13:56:15,706 INFO L276 IsEmpty]: Start isEmpty. Operand 72 states and 72 transitions. [2018-07-23 13:56:15,706 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 72 [2018-07-23 13:56:15,706 INFO L349 BasicCegarLoop]: Found error trace [2018-07-23 13:56:15,707 INFO L357 BasicCegarLoop]: trace histogram [68, 1, 1, 1] [2018-07-23 13:56:15,707 INFO L414 AbstractCegarLoop]: === Iteration 69 === [mainErr0AssertViolationASSERT]=== [2018-07-23 13:56:15,707 INFO L82 PathProgramCache]: Analyzing trace with hash 976119520, now seen corresponding path program 68 times [2018-07-23 13:56:15,707 INFO L69 tionRefinementEngine]: Using refinement strategy FixedRefinementStrategy [2018-07-23 13:56:15,762 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-07-23 13:56:16,304 INFO L134 CoverageAnalysis]: Checked inductivity of 2346 backedges. 0 proven. 2346 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-07-23 13:56:16,304 INFO L309 seRefinementStrategy]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2018-07-23 13:56:16,304 INFO L324 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [70] total 70 [2018-07-23 13:56:16,305 INFO L142 lantAutomatonBuilder]: Constructing canonical interpolant automaton, with selfloop in false state [2018-07-23 13:56:16,305 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-07-23 13:56:16,305 INFO L185 omatonBuilderFactory]: Interpolants [13312#(or (<= (select main_a main_x) 63) (= main_x main_y)), 13313#(or (= main_x main_y) (<= (select main_a main_x) 64)), 13314#(or (<= (select main_a main_x) 65) (= main_x main_y)), 13315#(or (= main_x main_y) (<= (select main_a main_x) 66)), 13316#(or (<= (select main_a main_x) 67) (= main_x main_y)), 13317#(or (not (= (select main_a main_x) 1000)) (= main_x main_y)), 13247#true, 13248#false, 13249#(or (= 0 (select main_a main_x)) (= main_x main_y)), 13250#(or (<= (select main_a main_x) 1) (= main_x main_y)), 13251#(or (= main_x main_y) (<= (select main_a main_x) 2)), 13252#(or (= main_x main_y) (<= (select main_a main_x) 3)), 13253#(or (<= (select main_a main_x) 4) (= main_x main_y)), 13254#(or (<= (select main_a main_x) 5) (= main_x main_y)), 13255#(or (<= (select main_a main_x) 6) (= main_x main_y)), 13256#(or (<= (select main_a main_x) 7) (= main_x main_y)), 13257#(or (<= (select main_a main_x) 8) (= main_x main_y)), 13258#(or (= main_x main_y) (<= (select main_a main_x) 9)), 13259#(or (= main_x main_y) (<= (select main_a main_x) 10)), 13260#(or (= main_x main_y) (<= (select main_a main_x) 11)), 13261#(or (<= (select main_a main_x) 12) (= main_x main_y)), 13262#(or (= main_x main_y) (<= (select main_a main_x) 13)), 13263#(or (<= (select main_a main_x) 14) (= main_x main_y)), 13264#(or (<= (select main_a main_x) 15) (= main_x main_y)), 13265#(or (<= (select main_a main_x) 16) (= main_x main_y)), 13266#(or (= main_x main_y) (<= (select main_a main_x) 17)), 13267#(or (<= (select main_a main_x) 18) (= main_x main_y)), 13268#(or (<= (select main_a main_x) 19) (= main_x main_y)), 13269#(or (= main_x main_y) (<= (select main_a main_x) 20)), 13270#(or (<= (select main_a main_x) 21) (= main_x main_y)), 13271#(or (= main_x main_y) (<= (select main_a main_x) 22)), 13272#(or (= main_x main_y) (<= (select main_a main_x) 23)), 13273#(or (<= (select main_a main_x) 24) (= main_x main_y)), 13274#(or (= main_x main_y) (<= (select main_a main_x) 25)), 13275#(or (<= (select main_a main_x) 26) (= main_x main_y)), 13276#(or (<= (select main_a main_x) 27) (= main_x main_y)), 13277#(or (<= (select main_a main_x) 28) (= main_x main_y)), 13278#(or (<= (select main_a main_x) 29) (= main_x main_y)), 13279#(or (= main_x main_y) (<= (select main_a main_x) 30)), 13280#(or (<= (select main_a main_x) 31) (= main_x main_y)), 13281#(or (<= (select main_a main_x) 32) (= main_x main_y)), 13282#(or (<= (select main_a main_x) 33) (= main_x main_y)), 13283#(or (<= (select main_a main_x) 34) (= main_x main_y)), 13284#(or (<= (select main_a main_x) 35) (= main_x main_y)), 13285#(or (<= (select main_a main_x) 36) (= main_x main_y)), 13286#(or (<= (select main_a main_x) 37) (= main_x main_y)), 13287#(or (<= (select main_a main_x) 38) (= main_x main_y)), 13288#(or (<= (select main_a main_x) 39) (= main_x main_y)), 13289#(or (<= (select main_a main_x) 40) (= main_x main_y)), 13290#(or (<= (select main_a main_x) 41) (= main_x main_y)), 13291#(or (<= (select main_a main_x) 42) (= main_x main_y)), 13292#(or (= main_x main_y) (<= (select main_a main_x) 43)), 13293#(or (= main_x main_y) (<= (select main_a main_x) 44)), 13294#(or (= main_x main_y) (<= (select main_a main_x) 45)), 13295#(or (<= (select main_a main_x) 46) (= main_x main_y)), 13296#(or (<= (select main_a main_x) 47) (= main_x main_y)), 13297#(or (<= (select main_a main_x) 48) (= main_x main_y)), 13298#(or (<= (select main_a main_x) 49) (= main_x main_y)), 13299#(or (<= (select main_a main_x) 50) (= main_x main_y)), 13300#(or (<= (select main_a main_x) 51) (= main_x main_y)), 13301#(or (= main_x main_y) (<= (select main_a main_x) 52)), 13302#(or (<= (select main_a main_x) 53) (= main_x main_y)), 13303#(or (<= (select main_a main_x) 54) (= main_x main_y)), 13304#(or (<= (select main_a main_x) 55) (= main_x main_y)), 13305#(or (= main_x main_y) (<= (select main_a main_x) 56)), 13306#(or (<= (select main_a main_x) 57) (= main_x main_y)), 13307#(or (<= (select main_a main_x) 58) (= main_x main_y)), 13308#(or (= main_x main_y) (<= (select main_a main_x) 59)), 13309#(or (= main_x main_y) (<= (select main_a main_x) 60)), 13310#(or (= main_x main_y) (<= (select main_a main_x) 61)), 13311#(or (<= (select main_a main_x) 62) (= main_x main_y))] [2018-07-23 13:56:16,306 INFO L134 CoverageAnalysis]: Checked inductivity of 2346 backedges. 0 proven. 2346 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-07-23 13:56:16,306 INFO L450 AbstractCegarLoop]: Interpolant automaton has 71 states [2018-07-23 13:56:16,306 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 71 interpolants. [2018-07-23 13:56:16,307 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=2485, Invalid=2485, Unknown=0, NotChecked=0, Total=4970 [2018-07-23 13:56:16,307 INFO L87 Difference]: Start difference. First operand 72 states and 72 transitions. Second operand 71 states. [2018-07-23 13:56:16,362 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-07-23 13:56:16,362 INFO L93 Difference]: Finished difference Result 75 states and 75 transitions. [2018-07-23 13:56:16,363 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 71 states. [2018-07-23 13:56:16,363 INFO L78 Accepts]: Start accepts. Automaton has 71 states. Word has length 71 [2018-07-23 13:56:16,363 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-07-23 13:56:16,363 INFO L225 Difference]: With dead ends: 75 [2018-07-23 13:56:16,364 INFO L226 Difference]: Without dead ends: 73 [2018-07-23 13:56:16,364 INFO L575 BasicCegarLoop]: 0 DeclaredPredicates, 70 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 69 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.4s TimeCoverageRelationStatistics Valid=2485, Invalid=2485, Unknown=0, NotChecked=0, Total=4970 [2018-07-23 13:56:16,365 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 73 states. [2018-07-23 13:56:16,372 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 73 to 73. [2018-07-23 13:56:16,372 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 73 states. [2018-07-23 13:56:16,373 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 73 states to 73 states and 73 transitions. [2018-07-23 13:56:16,373 INFO L78 Accepts]: Start accepts. Automaton has 73 states and 73 transitions. Word has length 71 [2018-07-23 13:56:16,373 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-07-23 13:56:16,373 INFO L471 AbstractCegarLoop]: Abstraction has 73 states and 73 transitions. [2018-07-23 13:56:16,373 INFO L472 AbstractCegarLoop]: Interpolant automaton has 71 states. [2018-07-23 13:56:16,373 INFO L276 IsEmpty]: Start isEmpty. Operand 73 states and 73 transitions. [2018-07-23 13:56:16,374 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 73 [2018-07-23 13:56:16,374 INFO L349 BasicCegarLoop]: Found error trace [2018-07-23 13:56:16,374 INFO L357 BasicCegarLoop]: trace histogram [69, 1, 1, 1] [2018-07-23 13:56:16,374 INFO L414 AbstractCegarLoop]: === Iteration 70 === [mainErr0AssertViolationASSERT]=== [2018-07-23 13:56:16,375 INFO L82 PathProgramCache]: Analyzing trace with hash 194930182, now seen corresponding path program 69 times [2018-07-23 13:56:16,375 INFO L69 tionRefinementEngine]: Using refinement strategy FixedRefinementStrategy [2018-07-23 13:56:16,452 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-07-23 13:56:16,974 INFO L134 CoverageAnalysis]: Checked inductivity of 2415 backedges. 0 proven. 2415 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-07-23 13:56:16,974 INFO L309 seRefinementStrategy]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2018-07-23 13:56:16,974 INFO L324 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [71] total 71 [2018-07-23 13:56:16,974 INFO L142 lantAutomatonBuilder]: Constructing canonical interpolant automaton, with selfloop in false state [2018-07-23 13:56:16,974 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-07-23 13:56:16,975 INFO L185 omatonBuilderFactory]: Interpolants [13614#true, 13615#false, 13616#(or (= 0 (select main_a main_x)) (= main_x main_y)), 13617#(or (<= (select main_a main_x) 1) (= main_x main_y)), 13618#(or (= main_x main_y) (<= (select main_a main_x) 2)), 13619#(or (= main_x main_y) (<= (select main_a main_x) 3)), 13620#(or (<= (select main_a main_x) 4) (= main_x main_y)), 13621#(or (<= (select main_a main_x) 5) (= main_x main_y)), 13622#(or (<= (select main_a main_x) 6) (= main_x main_y)), 13623#(or (<= (select main_a main_x) 7) (= main_x main_y)), 13624#(or (<= (select main_a main_x) 8) (= main_x main_y)), 13625#(or (= main_x main_y) (<= (select main_a main_x) 9)), 13626#(or (= main_x main_y) (<= (select main_a main_x) 10)), 13627#(or (= main_x main_y) (<= (select main_a main_x) 11)), 13628#(or (<= (select main_a main_x) 12) (= main_x main_y)), 13629#(or (= main_x main_y) (<= (select main_a main_x) 13)), 13630#(or (<= (select main_a main_x) 14) (= main_x main_y)), 13631#(or (<= (select main_a main_x) 15) (= main_x main_y)), 13632#(or (<= (select main_a main_x) 16) (= main_x main_y)), 13633#(or (= main_x main_y) (<= (select main_a main_x) 17)), 13634#(or (<= (select main_a main_x) 18) (= main_x main_y)), 13635#(or (<= (select main_a main_x) 19) (= main_x main_y)), 13636#(or (= main_x main_y) (<= (select main_a main_x) 20)), 13637#(or (<= (select main_a main_x) 21) (= main_x main_y)), 13638#(or (= main_x main_y) (<= (select main_a main_x) 22)), 13639#(or (= main_x main_y) (<= (select main_a main_x) 23)), 13640#(or (<= (select main_a main_x) 24) (= main_x main_y)), 13641#(or (= main_x main_y) (<= (select main_a main_x) 25)), 13642#(or (<= (select main_a main_x) 26) (= main_x main_y)), 13643#(or (<= (select main_a main_x) 27) (= main_x main_y)), 13644#(or (<= (select main_a main_x) 28) (= main_x main_y)), 13645#(or (<= (select main_a main_x) 29) (= main_x main_y)), 13646#(or (= main_x main_y) (<= (select main_a main_x) 30)), 13647#(or (<= (select main_a main_x) 31) (= main_x main_y)), 13648#(or (<= (select main_a main_x) 32) (= main_x main_y)), 13649#(or (<= (select main_a main_x) 33) (= main_x main_y)), 13650#(or (<= (select main_a main_x) 34) (= main_x main_y)), 13651#(or (<= (select main_a main_x) 35) (= main_x main_y)), 13652#(or (<= (select main_a main_x) 36) (= main_x main_y)), 13653#(or (<= (select main_a main_x) 37) (= main_x main_y)), 13654#(or (<= (select main_a main_x) 38) (= main_x main_y)), 13655#(or (<= (select main_a main_x) 39) (= main_x main_y)), 13656#(or (<= (select main_a main_x) 40) (= main_x main_y)), 13657#(or (<= (select main_a main_x) 41) (= main_x main_y)), 13658#(or (<= (select main_a main_x) 42) (= main_x main_y)), 13659#(or (= main_x main_y) (<= (select main_a main_x) 43)), 13660#(or (= main_x main_y) (<= (select main_a main_x) 44)), 13661#(or (= main_x main_y) (<= (select main_a main_x) 45)), 13662#(or (<= (select main_a main_x) 46) (= main_x main_y)), 13663#(or (<= (select main_a main_x) 47) (= main_x main_y)), 13664#(or (<= (select main_a main_x) 48) (= main_x main_y)), 13665#(or (<= (select main_a main_x) 49) (= main_x main_y)), 13666#(or (<= (select main_a main_x) 50) (= main_x main_y)), 13667#(or (<= (select main_a main_x) 51) (= main_x main_y)), 13668#(or (= main_x main_y) (<= (select main_a main_x) 52)), 13669#(or (<= (select main_a main_x) 53) (= main_x main_y)), 13670#(or (<= (select main_a main_x) 54) (= main_x main_y)), 13671#(or (<= (select main_a main_x) 55) (= main_x main_y)), 13672#(or (= main_x main_y) (<= (select main_a main_x) 56)), 13673#(or (<= (select main_a main_x) 57) (= main_x main_y)), 13674#(or (<= (select main_a main_x) 58) (= main_x main_y)), 13675#(or (= main_x main_y) (<= (select main_a main_x) 59)), 13676#(or (= main_x main_y) (<= (select main_a main_x) 60)), 13677#(or (= main_x main_y) (<= (select main_a main_x) 61)), 13678#(or (<= (select main_a main_x) 62) (= main_x main_y)), 13679#(or (<= (select main_a main_x) 63) (= main_x main_y)), 13680#(or (= main_x main_y) (<= (select main_a main_x) 64)), 13681#(or (<= (select main_a main_x) 65) (= main_x main_y)), 13682#(or (= main_x main_y) (<= (select main_a main_x) 66)), 13683#(or (<= (select main_a main_x) 67) (= main_x main_y)), 13684#(or (= main_x main_y) (<= (select main_a main_x) 68)), 13685#(or (not (= (select main_a main_x) 1000)) (= main_x main_y))] [2018-07-23 13:56:16,975 INFO L134 CoverageAnalysis]: Checked inductivity of 2415 backedges. 0 proven. 2415 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-07-23 13:56:16,975 INFO L450 AbstractCegarLoop]: Interpolant automaton has 72 states [2018-07-23 13:56:16,976 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 72 interpolants. [2018-07-23 13:56:16,976 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=2556, Invalid=2556, Unknown=0, NotChecked=0, Total=5112 [2018-07-23 13:56:16,977 INFO L87 Difference]: Start difference. First operand 73 states and 73 transitions. Second operand 72 states. [2018-07-23 13:56:17,067 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-07-23 13:56:17,067 INFO L93 Difference]: Finished difference Result 76 states and 76 transitions. [2018-07-23 13:56:17,068 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 72 states. [2018-07-23 13:56:17,068 INFO L78 Accepts]: Start accepts. Automaton has 72 states. Word has length 72 [2018-07-23 13:56:17,068 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-07-23 13:56:17,069 INFO L225 Difference]: With dead ends: 76 [2018-07-23 13:56:17,069 INFO L226 Difference]: Without dead ends: 74 [2018-07-23 13:56:17,073 INFO L575 BasicCegarLoop]: 0 DeclaredPredicates, 71 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 70 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=2556, Invalid=2556, Unknown=0, NotChecked=0, Total=5112 [2018-07-23 13:56:17,073 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 74 states. [2018-07-23 13:56:17,079 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 74 to 74. [2018-07-23 13:56:17,079 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 74 states. [2018-07-23 13:56:17,080 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 74 states to 74 states and 74 transitions. [2018-07-23 13:56:17,080 INFO L78 Accepts]: Start accepts. Automaton has 74 states and 74 transitions. Word has length 72 [2018-07-23 13:56:17,080 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-07-23 13:56:17,080 INFO L471 AbstractCegarLoop]: Abstraction has 74 states and 74 transitions. [2018-07-23 13:56:17,080 INFO L472 AbstractCegarLoop]: Interpolant automaton has 72 states. [2018-07-23 13:56:17,080 INFO L276 IsEmpty]: Start isEmpty. Operand 74 states and 74 transitions. [2018-07-23 13:56:17,081 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 74 [2018-07-23 13:56:17,081 INFO L349 BasicCegarLoop]: Found error trace [2018-07-23 13:56:17,081 INFO L357 BasicCegarLoop]: trace histogram [70, 1, 1, 1] [2018-07-23 13:56:17,081 INFO L414 AbstractCegarLoop]: === Iteration 71 === [mainErr0AssertViolationASSERT]=== [2018-07-23 13:56:17,082 INFO L82 PathProgramCache]: Analyzing trace with hash 1747864480, now seen corresponding path program 70 times [2018-07-23 13:56:17,082 INFO L69 tionRefinementEngine]: Using refinement strategy FixedRefinementStrategy [2018-07-23 13:56:17,137 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-07-23 13:56:17,605 INFO L134 CoverageAnalysis]: Checked inductivity of 2485 backedges. 0 proven. 2485 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-07-23 13:56:17,605 INFO L309 seRefinementStrategy]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2018-07-23 13:56:17,606 INFO L324 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [72] total 72 [2018-07-23 13:56:17,606 INFO L142 lantAutomatonBuilder]: Constructing canonical interpolant automaton, with selfloop in false state [2018-07-23 13:56:17,606 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-07-23 13:56:17,606 INFO L185 omatonBuilderFactory]: Interpolants [13986#true, 13987#false, 13988#(or (= 0 (select main_a main_x)) (= main_x main_y)), 13989#(or (<= (select main_a main_x) 1) (= main_x main_y)), 13990#(or (= main_x main_y) (<= (select main_a main_x) 2)), 13991#(or (= main_x main_y) (<= (select main_a main_x) 3)), 13992#(or (<= (select main_a main_x) 4) (= main_x main_y)), 13993#(or (<= (select main_a main_x) 5) (= main_x main_y)), 13994#(or (<= (select main_a main_x) 6) (= main_x main_y)), 13995#(or (<= (select main_a main_x) 7) (= main_x main_y)), 13996#(or (<= (select main_a main_x) 8) (= main_x main_y)), 13997#(or (= main_x main_y) (<= (select main_a main_x) 9)), 13998#(or (= main_x main_y) (<= (select main_a main_x) 10)), 13999#(or (= main_x main_y) (<= (select main_a main_x) 11)), 14000#(or (<= (select main_a main_x) 12) (= main_x main_y)), 14001#(or (= main_x main_y) (<= (select main_a main_x) 13)), 14002#(or (<= (select main_a main_x) 14) (= main_x main_y)), 14003#(or (<= (select main_a main_x) 15) (= main_x main_y)), 14004#(or (<= (select main_a main_x) 16) (= main_x main_y)), 14005#(or (= main_x main_y) (<= (select main_a main_x) 17)), 14006#(or (<= (select main_a main_x) 18) (= main_x main_y)), 14007#(or (<= (select main_a main_x) 19) (= main_x main_y)), 14008#(or (= main_x main_y) (<= (select main_a main_x) 20)), 14009#(or (<= (select main_a main_x) 21) (= main_x main_y)), 14010#(or (= main_x main_y) (<= (select main_a main_x) 22)), 14011#(or (= main_x main_y) (<= (select main_a main_x) 23)), 14012#(or (<= (select main_a main_x) 24) (= main_x main_y)), 14013#(or (= main_x main_y) (<= (select main_a main_x) 25)), 14014#(or (<= (select main_a main_x) 26) (= main_x main_y)), 14015#(or (<= (select main_a main_x) 27) (= main_x main_y)), 14016#(or (<= (select main_a main_x) 28) (= main_x main_y)), 14017#(or (<= (select main_a main_x) 29) (= main_x main_y)), 14018#(or (= main_x main_y) (<= (select main_a main_x) 30)), 14019#(or (<= (select main_a main_x) 31) (= main_x main_y)), 14020#(or (<= (select main_a main_x) 32) (= main_x main_y)), 14021#(or (<= (select main_a main_x) 33) (= main_x main_y)), 14022#(or (<= (select main_a main_x) 34) (= main_x main_y)), 14023#(or (<= (select main_a main_x) 35) (= main_x main_y)), 14024#(or (<= (select main_a main_x) 36) (= main_x main_y)), 14025#(or (<= (select main_a main_x) 37) (= main_x main_y)), 14026#(or (<= (select main_a main_x) 38) (= main_x main_y)), 14027#(or (<= (select main_a main_x) 39) (= main_x main_y)), 14028#(or (<= (select main_a main_x) 40) (= main_x main_y)), 14029#(or (<= (select main_a main_x) 41) (= main_x main_y)), 14030#(or (<= (select main_a main_x) 42) (= main_x main_y)), 14031#(or (= main_x main_y) (<= (select main_a main_x) 43)), 14032#(or (= main_x main_y) (<= (select main_a main_x) 44)), 14033#(or (= main_x main_y) (<= (select main_a main_x) 45)), 14034#(or (<= (select main_a main_x) 46) (= main_x main_y)), 14035#(or (<= (select main_a main_x) 47) (= main_x main_y)), 14036#(or (<= (select main_a main_x) 48) (= main_x main_y)), 14037#(or (<= (select main_a main_x) 49) (= main_x main_y)), 14038#(or (<= (select main_a main_x) 50) (= main_x main_y)), 14039#(or (<= (select main_a main_x) 51) (= main_x main_y)), 14040#(or (= main_x main_y) (<= (select main_a main_x) 52)), 14041#(or (<= (select main_a main_x) 53) (= main_x main_y)), 14042#(or (<= (select main_a main_x) 54) (= main_x main_y)), 14043#(or (<= (select main_a main_x) 55) (= main_x main_y)), 14044#(or (= main_x main_y) (<= (select main_a main_x) 56)), 14045#(or (<= (select main_a main_x) 57) (= main_x main_y)), 14046#(or (<= (select main_a main_x) 58) (= main_x main_y)), 14047#(or (= main_x main_y) (<= (select main_a main_x) 59)), 14048#(or (= main_x main_y) (<= (select main_a main_x) 60)), 14049#(or (= main_x main_y) (<= (select main_a main_x) 61)), 14050#(or (<= (select main_a main_x) 62) (= main_x main_y)), 14051#(or (<= (select main_a main_x) 63) (= main_x main_y)), 14052#(or (= main_x main_y) (<= (select main_a main_x) 64)), 14053#(or (<= (select main_a main_x) 65) (= main_x main_y)), 14054#(or (= main_x main_y) (<= (select main_a main_x) 66)), 14055#(or (<= (select main_a main_x) 67) (= main_x main_y)), 14056#(or (= main_x main_y) (<= (select main_a main_x) 68)), 14057#(or (= main_x main_y) (<= (select main_a main_x) 69)), 14058#(or (not (= (select main_a main_x) 1000)) (= main_x main_y))] [2018-07-23 13:56:17,606 INFO L134 CoverageAnalysis]: Checked inductivity of 2485 backedges. 0 proven. 2485 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-07-23 13:56:17,607 INFO L450 AbstractCegarLoop]: Interpolant automaton has 73 states [2018-07-23 13:56:17,607 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 73 interpolants. [2018-07-23 13:56:17,607 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=2628, Invalid=2628, Unknown=0, NotChecked=0, Total=5256 [2018-07-23 13:56:17,607 INFO L87 Difference]: Start difference. First operand 74 states and 74 transitions. Second operand 73 states. [2018-07-23 13:56:17,691 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-07-23 13:56:17,692 INFO L93 Difference]: Finished difference Result 77 states and 77 transitions. [2018-07-23 13:56:17,692 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 73 states. [2018-07-23 13:56:17,692 INFO L78 Accepts]: Start accepts. Automaton has 73 states. Word has length 73 [2018-07-23 13:56:17,692 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-07-23 13:56:17,693 INFO L225 Difference]: With dead ends: 77 [2018-07-23 13:56:17,693 INFO L226 Difference]: Without dead ends: 75 [2018-07-23 13:56:17,694 INFO L575 BasicCegarLoop]: 0 DeclaredPredicates, 72 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 71 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=2628, Invalid=2628, Unknown=0, NotChecked=0, Total=5256 [2018-07-23 13:56:17,694 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 75 states. [2018-07-23 13:56:17,702 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 75 to 75. [2018-07-23 13:56:17,702 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 75 states. [2018-07-23 13:56:17,702 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 75 states to 75 states and 75 transitions. [2018-07-23 13:56:17,702 INFO L78 Accepts]: Start accepts. Automaton has 75 states and 75 transitions. Word has length 73 [2018-07-23 13:56:17,702 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-07-23 13:56:17,703 INFO L471 AbstractCegarLoop]: Abstraction has 75 states and 75 transitions. [2018-07-23 13:56:17,703 INFO L472 AbstractCegarLoop]: Interpolant automaton has 73 states. [2018-07-23 13:56:17,703 INFO L276 IsEmpty]: Start isEmpty. Operand 75 states and 75 transitions. [2018-07-23 13:56:17,703 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 75 [2018-07-23 13:56:17,703 INFO L349 BasicCegarLoop]: Found error trace [2018-07-23 13:56:17,704 INFO L357 BasicCegarLoop]: trace histogram [71, 1, 1, 1] [2018-07-23 13:56:17,704 INFO L414 AbstractCegarLoop]: === Iteration 72 === [mainErr0AssertViolationASSERT]=== [2018-07-23 13:56:17,704 INFO L82 PathProgramCache]: Analyzing trace with hash -1650779834, now seen corresponding path program 71 times [2018-07-23 13:56:17,704 INFO L69 tionRefinementEngine]: Using refinement strategy FixedRefinementStrategy [2018-07-23 13:56:17,763 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-07-23 13:56:18,222 INFO L134 CoverageAnalysis]: Checked inductivity of 2556 backedges. 0 proven. 2556 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-07-23 13:56:18,222 INFO L309 seRefinementStrategy]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2018-07-23 13:56:18,223 INFO L324 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [73] total 73 [2018-07-23 13:56:18,223 INFO L142 lantAutomatonBuilder]: Constructing canonical interpolant automaton, with selfloop in false state [2018-07-23 13:56:18,223 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-07-23 13:56:18,223 INFO L185 omatonBuilderFactory]: Interpolants [14363#true, 14364#false, 14365#(or (= 0 (select main_a main_x)) (= main_x main_y)), 14366#(or (<= (select main_a main_x) 1) (= main_x main_y)), 14367#(or (= main_x main_y) (<= (select main_a main_x) 2)), 14368#(or (= main_x main_y) (<= (select main_a main_x) 3)), 14369#(or (<= (select main_a main_x) 4) (= main_x main_y)), 14370#(or (<= (select main_a main_x) 5) (= main_x main_y)), 14371#(or (<= (select main_a main_x) 6) (= main_x main_y)), 14372#(or (<= (select main_a main_x) 7) (= main_x main_y)), 14373#(or (<= (select main_a main_x) 8) (= main_x main_y)), 14374#(or (= main_x main_y) (<= (select main_a main_x) 9)), 14375#(or (= main_x main_y) (<= (select main_a main_x) 10)), 14376#(or (= main_x main_y) (<= (select main_a main_x) 11)), 14377#(or (<= (select main_a main_x) 12) (= main_x main_y)), 14378#(or (= main_x main_y) (<= (select main_a main_x) 13)), 14379#(or (<= (select main_a main_x) 14) (= main_x main_y)), 14380#(or (<= (select main_a main_x) 15) (= main_x main_y)), 14381#(or (<= (select main_a main_x) 16) (= main_x main_y)), 14382#(or (= main_x main_y) (<= (select main_a main_x) 17)), 14383#(or (<= (select main_a main_x) 18) (= main_x main_y)), 14384#(or (<= (select main_a main_x) 19) (= main_x main_y)), 14385#(or (= main_x main_y) (<= (select main_a main_x) 20)), 14386#(or (<= (select main_a main_x) 21) (= main_x main_y)), 14387#(or (= main_x main_y) (<= (select main_a main_x) 22)), 14388#(or (= main_x main_y) (<= (select main_a main_x) 23)), 14389#(or (<= (select main_a main_x) 24) (= main_x main_y)), 14390#(or (= main_x main_y) (<= (select main_a main_x) 25)), 14391#(or (<= (select main_a main_x) 26) (= main_x main_y)), 14392#(or (<= (select main_a main_x) 27) (= main_x main_y)), 14393#(or (<= (select main_a main_x) 28) (= main_x main_y)), 14394#(or (<= (select main_a main_x) 29) (= main_x main_y)), 14395#(or (= main_x main_y) (<= (select main_a main_x) 30)), 14396#(or (<= (select main_a main_x) 31) (= main_x main_y)), 14397#(or (<= (select main_a main_x) 32) (= main_x main_y)), 14398#(or (<= (select main_a main_x) 33) (= main_x main_y)), 14399#(or (<= (select main_a main_x) 34) (= main_x main_y)), 14400#(or (<= (select main_a main_x) 35) (= main_x main_y)), 14401#(or (<= (select main_a main_x) 36) (= main_x main_y)), 14402#(or (<= (select main_a main_x) 37) (= main_x main_y)), 14403#(or (<= (select main_a main_x) 38) (= main_x main_y)), 14404#(or (<= (select main_a main_x) 39) (= main_x main_y)), 14405#(or (<= (select main_a main_x) 40) (= main_x main_y)), 14406#(or (<= (select main_a main_x) 41) (= main_x main_y)), 14407#(or (<= (select main_a main_x) 42) (= main_x main_y)), 14408#(or (= main_x main_y) (<= (select main_a main_x) 43)), 14409#(or (= main_x main_y) (<= (select main_a main_x) 44)), 14410#(or (= main_x main_y) (<= (select main_a main_x) 45)), 14411#(or (<= (select main_a main_x) 46) (= main_x main_y)), 14412#(or (<= (select main_a main_x) 47) (= main_x main_y)), 14413#(or (<= (select main_a main_x) 48) (= main_x main_y)), 14414#(or (<= (select main_a main_x) 49) (= main_x main_y)), 14415#(or (<= (select main_a main_x) 50) (= main_x main_y)), 14416#(or (<= (select main_a main_x) 51) (= main_x main_y)), 14417#(or (= main_x main_y) (<= (select main_a main_x) 52)), 14418#(or (<= (select main_a main_x) 53) (= main_x main_y)), 14419#(or (<= (select main_a main_x) 54) (= main_x main_y)), 14420#(or (<= (select main_a main_x) 55) (= main_x main_y)), 14421#(or (= main_x main_y) (<= (select main_a main_x) 56)), 14422#(or (<= (select main_a main_x) 57) (= main_x main_y)), 14423#(or (<= (select main_a main_x) 58) (= main_x main_y)), 14424#(or (= main_x main_y) (<= (select main_a main_x) 59)), 14425#(or (= main_x main_y) (<= (select main_a main_x) 60)), 14426#(or (= main_x main_y) (<= (select main_a main_x) 61)), 14427#(or (<= (select main_a main_x) 62) (= main_x main_y)), 14428#(or (<= (select main_a main_x) 63) (= main_x main_y)), 14429#(or (= main_x main_y) (<= (select main_a main_x) 64)), 14430#(or (<= (select main_a main_x) 65) (= main_x main_y)), 14431#(or (= main_x main_y) (<= (select main_a main_x) 66)), 14432#(or (<= (select main_a main_x) 67) (= main_x main_y)), 14433#(or (= main_x main_y) (<= (select main_a main_x) 68)), 14434#(or (= main_x main_y) (<= (select main_a main_x) 69)), 14435#(or (<= (select main_a main_x) 70) (= main_x main_y)), 14436#(or (not (= (select main_a main_x) 1000)) (= main_x main_y))] [2018-07-23 13:56:18,224 INFO L134 CoverageAnalysis]: Checked inductivity of 2556 backedges. 0 proven. 2556 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-07-23 13:56:18,224 INFO L450 AbstractCegarLoop]: Interpolant automaton has 74 states [2018-07-23 13:56:18,224 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 74 interpolants. [2018-07-23 13:56:18,225 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=2701, Invalid=2701, Unknown=0, NotChecked=0, Total=5402 [2018-07-23 13:56:18,225 INFO L87 Difference]: Start difference. First operand 75 states and 75 transitions. Second operand 74 states. [2018-07-23 13:56:18,289 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-07-23 13:56:18,289 INFO L93 Difference]: Finished difference Result 78 states and 78 transitions. [2018-07-23 13:56:18,289 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 74 states. [2018-07-23 13:56:18,289 INFO L78 Accepts]: Start accepts. Automaton has 74 states. Word has length 74 [2018-07-23 13:56:18,289 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-07-23 13:56:18,290 INFO L225 Difference]: With dead ends: 78 [2018-07-23 13:56:18,290 INFO L226 Difference]: Without dead ends: 76 [2018-07-23 13:56:18,291 INFO L575 BasicCegarLoop]: 0 DeclaredPredicates, 73 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 72 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=2701, Invalid=2701, Unknown=0, NotChecked=0, Total=5402 [2018-07-23 13:56:18,291 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 76 states. [2018-07-23 13:56:18,297 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 76 to 76. [2018-07-23 13:56:18,297 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 76 states. [2018-07-23 13:56:18,298 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 76 states to 76 states and 76 transitions. [2018-07-23 13:56:18,298 INFO L78 Accepts]: Start accepts. Automaton has 76 states and 76 transitions. Word has length 74 [2018-07-23 13:56:18,298 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-07-23 13:56:18,298 INFO L471 AbstractCegarLoop]: Abstraction has 76 states and 76 transitions. [2018-07-23 13:56:18,298 INFO L472 AbstractCegarLoop]: Interpolant automaton has 74 states. [2018-07-23 13:56:18,298 INFO L276 IsEmpty]: Start isEmpty. Operand 76 states and 76 transitions. [2018-07-23 13:56:18,299 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 76 [2018-07-23 13:56:18,299 INFO L349 BasicCegarLoop]: Found error trace [2018-07-23 13:56:18,299 INFO L357 BasicCegarLoop]: trace histogram [72, 1, 1, 1] [2018-07-23 13:56:18,299 INFO L414 AbstractCegarLoop]: === Iteration 73 === [mainErr0AssertViolationASSERT]=== [2018-07-23 13:56:18,300 INFO L82 PathProgramCache]: Analyzing trace with hash 365428832, now seen corresponding path program 72 times [2018-07-23 13:56:18,300 INFO L69 tionRefinementEngine]: Using refinement strategy FixedRefinementStrategy [2018-07-23 13:56:18,352 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-07-23 13:56:18,781 INFO L134 CoverageAnalysis]: Checked inductivity of 2628 backedges. 0 proven. 2628 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-07-23 13:56:18,781 INFO L309 seRefinementStrategy]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2018-07-23 13:56:18,781 INFO L324 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [74] total 74 [2018-07-23 13:56:18,782 INFO L142 lantAutomatonBuilder]: Constructing canonical interpolant automaton, with selfloop in false state [2018-07-23 13:56:18,782 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-07-23 13:56:18,782 INFO L185 omatonBuilderFactory]: Interpolants [14745#true, 14746#false, 14747#(or (= 0 (select main_a main_x)) (= main_x main_y)), 14748#(or (<= (select main_a main_x) 1) (= main_x main_y)), 14749#(or (= main_x main_y) (<= (select main_a main_x) 2)), 14750#(or (= main_x main_y) (<= (select main_a main_x) 3)), 14751#(or (<= (select main_a main_x) 4) (= main_x main_y)), 14752#(or (<= (select main_a main_x) 5) (= main_x main_y)), 14753#(or (<= (select main_a main_x) 6) (= main_x main_y)), 14754#(or (<= (select main_a main_x) 7) (= main_x main_y)), 14755#(or (<= (select main_a main_x) 8) (= main_x main_y)), 14756#(or (= main_x main_y) (<= (select main_a main_x) 9)), 14757#(or (= main_x main_y) (<= (select main_a main_x) 10)), 14758#(or (= main_x main_y) (<= (select main_a main_x) 11)), 14759#(or (<= (select main_a main_x) 12) (= main_x main_y)), 14760#(or (= main_x main_y) (<= (select main_a main_x) 13)), 14761#(or (<= (select main_a main_x) 14) (= main_x main_y)), 14762#(or (<= (select main_a main_x) 15) (= main_x main_y)), 14763#(or (<= (select main_a main_x) 16) (= main_x main_y)), 14764#(or (= main_x main_y) (<= (select main_a main_x) 17)), 14765#(or (<= (select main_a main_x) 18) (= main_x main_y)), 14766#(or (<= (select main_a main_x) 19) (= main_x main_y)), 14767#(or (= main_x main_y) (<= (select main_a main_x) 20)), 14768#(or (<= (select main_a main_x) 21) (= main_x main_y)), 14769#(or (= main_x main_y) (<= (select main_a main_x) 22)), 14770#(or (= main_x main_y) (<= (select main_a main_x) 23)), 14771#(or (<= (select main_a main_x) 24) (= main_x main_y)), 14772#(or (= main_x main_y) (<= (select main_a main_x) 25)), 14773#(or (<= (select main_a main_x) 26) (= main_x main_y)), 14774#(or (<= (select main_a main_x) 27) (= main_x main_y)), 14775#(or (<= (select main_a main_x) 28) (= main_x main_y)), 14776#(or (<= (select main_a main_x) 29) (= main_x main_y)), 14777#(or (= main_x main_y) (<= (select main_a main_x) 30)), 14778#(or (<= (select main_a main_x) 31) (= main_x main_y)), 14779#(or (<= (select main_a main_x) 32) (= main_x main_y)), 14780#(or (<= (select main_a main_x) 33) (= main_x main_y)), 14781#(or (<= (select main_a main_x) 34) (= main_x main_y)), 14782#(or (<= (select main_a main_x) 35) (= main_x main_y)), 14783#(or (<= (select main_a main_x) 36) (= main_x main_y)), 14784#(or (<= (select main_a main_x) 37) (= main_x main_y)), 14785#(or (<= (select main_a main_x) 38) (= main_x main_y)), 14786#(or (<= (select main_a main_x) 39) (= main_x main_y)), 14787#(or (<= (select main_a main_x) 40) (= main_x main_y)), 14788#(or (<= (select main_a main_x) 41) (= main_x main_y)), 14789#(or (<= (select main_a main_x) 42) (= main_x main_y)), 14790#(or (= main_x main_y) (<= (select main_a main_x) 43)), 14791#(or (= main_x main_y) (<= (select main_a main_x) 44)), 14792#(or (= main_x main_y) (<= (select main_a main_x) 45)), 14793#(or (<= (select main_a main_x) 46) (= main_x main_y)), 14794#(or (<= (select main_a main_x) 47) (= main_x main_y)), 14795#(or (<= (select main_a main_x) 48) (= main_x main_y)), 14796#(or (<= (select main_a main_x) 49) (= main_x main_y)), 14797#(or (<= (select main_a main_x) 50) (= main_x main_y)), 14798#(or (<= (select main_a main_x) 51) (= main_x main_y)), 14799#(or (= main_x main_y) (<= (select main_a main_x) 52)), 14800#(or (<= (select main_a main_x) 53) (= main_x main_y)), 14801#(or (<= (select main_a main_x) 54) (= main_x main_y)), 14802#(or (<= (select main_a main_x) 55) (= main_x main_y)), 14803#(or (= main_x main_y) (<= (select main_a main_x) 56)), 14804#(or (<= (select main_a main_x) 57) (= main_x main_y)), 14805#(or (<= (select main_a main_x) 58) (= main_x main_y)), 14806#(or (= main_x main_y) (<= (select main_a main_x) 59)), 14807#(or (= main_x main_y) (<= (select main_a main_x) 60)), 14808#(or (= main_x main_y) (<= (select main_a main_x) 61)), 14809#(or (<= (select main_a main_x) 62) (= main_x main_y)), 14810#(or (<= (select main_a main_x) 63) (= main_x main_y)), 14811#(or (= main_x main_y) (<= (select main_a main_x) 64)), 14812#(or (<= (select main_a main_x) 65) (= main_x main_y)), 14813#(or (= main_x main_y) (<= (select main_a main_x) 66)), 14814#(or (<= (select main_a main_x) 67) (= main_x main_y)), 14815#(or (= main_x main_y) (<= (select main_a main_x) 68)), 14816#(or (= main_x main_y) (<= (select main_a main_x) 69)), 14817#(or (<= (select main_a main_x) 70) (= main_x main_y)), 14818#(or (<= (select main_a main_x) 71) (= main_x main_y)), 14819#(or (not (= (select main_a main_x) 1000)) (= main_x main_y))] [2018-07-23 13:56:18,782 INFO L134 CoverageAnalysis]: Checked inductivity of 2628 backedges. 0 proven. 2628 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-07-23 13:56:18,783 INFO L450 AbstractCegarLoop]: Interpolant automaton has 75 states [2018-07-23 13:56:18,783 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 75 interpolants. [2018-07-23 13:56:18,784 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=2775, Invalid=2775, Unknown=0, NotChecked=0, Total=5550 [2018-07-23 13:56:18,784 INFO L87 Difference]: Start difference. First operand 76 states and 76 transitions. Second operand 75 states. [2018-07-23 13:56:18,841 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-07-23 13:56:18,841 INFO L93 Difference]: Finished difference Result 79 states and 79 transitions. [2018-07-23 13:56:18,841 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 75 states. [2018-07-23 13:56:18,841 INFO L78 Accepts]: Start accepts. Automaton has 75 states. Word has length 75 [2018-07-23 13:56:18,841 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-07-23 13:56:18,842 INFO L225 Difference]: With dead ends: 79 [2018-07-23 13:56:18,842 INFO L226 Difference]: Without dead ends: 77 [2018-07-23 13:56:18,842 INFO L575 BasicCegarLoop]: 0 DeclaredPredicates, 74 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 73 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=2775, Invalid=2775, Unknown=0, NotChecked=0, Total=5550 [2018-07-23 13:56:18,843 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 77 states. [2018-07-23 13:56:18,849 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 77 to 77. [2018-07-23 13:56:18,849 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 77 states. [2018-07-23 13:56:18,850 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 77 states to 77 states and 77 transitions. [2018-07-23 13:56:18,850 INFO L78 Accepts]: Start accepts. Automaton has 77 states and 77 transitions. Word has length 75 [2018-07-23 13:56:18,850 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-07-23 13:56:18,850 INFO L471 AbstractCegarLoop]: Abstraction has 77 states and 77 transitions. [2018-07-23 13:56:18,850 INFO L472 AbstractCegarLoop]: Interpolant automaton has 75 states. [2018-07-23 13:56:18,850 INFO L276 IsEmpty]: Start isEmpty. Operand 77 states and 77 transitions. [2018-07-23 13:56:18,851 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 77 [2018-07-23 13:56:18,851 INFO L349 BasicCegarLoop]: Found error trace [2018-07-23 13:56:18,851 INFO L357 BasicCegarLoop]: trace histogram [73, 1, 1, 1] [2018-07-23 13:56:18,851 INFO L414 AbstractCegarLoop]: === Iteration 74 === [mainErr0AssertViolationASSERT]=== [2018-07-23 13:56:18,851 INFO L82 PathProgramCache]: Analyzing trace with hash -1556611962, now seen corresponding path program 73 times [2018-07-23 13:56:18,852 INFO L69 tionRefinementEngine]: Using refinement strategy FixedRefinementStrategy [2018-07-23 13:56:18,904 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-07-23 13:56:19,363 INFO L134 CoverageAnalysis]: Checked inductivity of 2701 backedges. 0 proven. 2701 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-07-23 13:56:19,364 INFO L309 seRefinementStrategy]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2018-07-23 13:56:19,364 INFO L324 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [75] total 75 [2018-07-23 13:56:19,364 INFO L142 lantAutomatonBuilder]: Constructing canonical interpolant automaton, with selfloop in false state [2018-07-23 13:56:19,364 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-07-23 13:56:19,364 INFO L185 omatonBuilderFactory]: Interpolants [15132#true, 15133#false, 15134#(or (= 0 (select main_a main_x)) (= main_x main_y)), 15135#(or (<= (select main_a main_x) 1) (= main_x main_y)), 15136#(or (= main_x main_y) (<= (select main_a main_x) 2)), 15137#(or (= main_x main_y) (<= (select main_a main_x) 3)), 15138#(or (<= (select main_a main_x) 4) (= main_x main_y)), 15139#(or (<= (select main_a main_x) 5) (= main_x main_y)), 15140#(or (<= (select main_a main_x) 6) (= main_x main_y)), 15141#(or (<= (select main_a main_x) 7) (= main_x main_y)), 15142#(or (<= (select main_a main_x) 8) (= main_x main_y)), 15143#(or (= main_x main_y) (<= (select main_a main_x) 9)), 15144#(or (= main_x main_y) (<= (select main_a main_x) 10)), 15145#(or (= main_x main_y) (<= (select main_a main_x) 11)), 15146#(or (<= (select main_a main_x) 12) (= main_x main_y)), 15147#(or (= main_x main_y) (<= (select main_a main_x) 13)), 15148#(or (<= (select main_a main_x) 14) (= main_x main_y)), 15149#(or (<= (select main_a main_x) 15) (= main_x main_y)), 15150#(or (<= (select main_a main_x) 16) (= main_x main_y)), 15151#(or (= main_x main_y) (<= (select main_a main_x) 17)), 15152#(or (<= (select main_a main_x) 18) (= main_x main_y)), 15153#(or (<= (select main_a main_x) 19) (= main_x main_y)), 15154#(or (= main_x main_y) (<= (select main_a main_x) 20)), 15155#(or (<= (select main_a main_x) 21) (= main_x main_y)), 15156#(or (= main_x main_y) (<= (select main_a main_x) 22)), 15157#(or (= main_x main_y) (<= (select main_a main_x) 23)), 15158#(or (<= (select main_a main_x) 24) (= main_x main_y)), 15159#(or (= main_x main_y) (<= (select main_a main_x) 25)), 15160#(or (<= (select main_a main_x) 26) (= main_x main_y)), 15161#(or (<= (select main_a main_x) 27) (= main_x main_y)), 15162#(or (<= (select main_a main_x) 28) (= main_x main_y)), 15163#(or (<= (select main_a main_x) 29) (= main_x main_y)), 15164#(or (= main_x main_y) (<= (select main_a main_x) 30)), 15165#(or (<= (select main_a main_x) 31) (= main_x main_y)), 15166#(or (<= (select main_a main_x) 32) (= main_x main_y)), 15167#(or (<= (select main_a main_x) 33) (= main_x main_y)), 15168#(or (<= (select main_a main_x) 34) (= main_x main_y)), 15169#(or (<= (select main_a main_x) 35) (= main_x main_y)), 15170#(or (<= (select main_a main_x) 36) (= main_x main_y)), 15171#(or (<= (select main_a main_x) 37) (= main_x main_y)), 15172#(or (<= (select main_a main_x) 38) (= main_x main_y)), 15173#(or (<= (select main_a main_x) 39) (= main_x main_y)), 15174#(or (<= (select main_a main_x) 40) (= main_x main_y)), 15175#(or (<= (select main_a main_x) 41) (= main_x main_y)), 15176#(or (<= (select main_a main_x) 42) (= main_x main_y)), 15177#(or (= main_x main_y) (<= (select main_a main_x) 43)), 15178#(or (= main_x main_y) (<= (select main_a main_x) 44)), 15179#(or (= main_x main_y) (<= (select main_a main_x) 45)), 15180#(or (<= (select main_a main_x) 46) (= main_x main_y)), 15181#(or (<= (select main_a main_x) 47) (= main_x main_y)), 15182#(or (<= (select main_a main_x) 48) (= main_x main_y)), 15183#(or (<= (select main_a main_x) 49) (= main_x main_y)), 15184#(or (<= (select main_a main_x) 50) (= main_x main_y)), 15185#(or (<= (select main_a main_x) 51) (= main_x main_y)), 15186#(or (= main_x main_y) (<= (select main_a main_x) 52)), 15187#(or (<= (select main_a main_x) 53) (= main_x main_y)), 15188#(or (<= (select main_a main_x) 54) (= main_x main_y)), 15189#(or (<= (select main_a main_x) 55) (= main_x main_y)), 15190#(or (= main_x main_y) (<= (select main_a main_x) 56)), 15191#(or (<= (select main_a main_x) 57) (= main_x main_y)), 15192#(or (<= (select main_a main_x) 58) (= main_x main_y)), 15193#(or (= main_x main_y) (<= (select main_a main_x) 59)), 15194#(or (= main_x main_y) (<= (select main_a main_x) 60)), 15195#(or (= main_x main_y) (<= (select main_a main_x) 61)), 15196#(or (<= (select main_a main_x) 62) (= main_x main_y)), 15197#(or (<= (select main_a main_x) 63) (= main_x main_y)), 15198#(or (= main_x main_y) (<= (select main_a main_x) 64)), 15199#(or (<= (select main_a main_x) 65) (= main_x main_y)), 15200#(or (= main_x main_y) (<= (select main_a main_x) 66)), 15201#(or (<= (select main_a main_x) 67) (= main_x main_y)), 15202#(or (= main_x main_y) (<= (select main_a main_x) 68)), 15203#(or (= main_x main_y) (<= (select main_a main_x) 69)), 15204#(or (<= (select main_a main_x) 70) (= main_x main_y)), 15205#(or (<= (select main_a main_x) 71) (= main_x main_y)), 15206#(or (= main_x main_y) (<= (select main_a main_x) 72)), 15207#(or (not (= (select main_a main_x) 1000)) (= main_x main_y))] [2018-07-23 13:56:19,365 INFO L134 CoverageAnalysis]: Checked inductivity of 2701 backedges. 0 proven. 2701 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-07-23 13:56:19,365 INFO L450 AbstractCegarLoop]: Interpolant automaton has 76 states [2018-07-23 13:56:19,365 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 76 interpolants. [2018-07-23 13:56:19,365 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=2850, Invalid=2850, Unknown=0, NotChecked=0, Total=5700 [2018-07-23 13:56:19,366 INFO L87 Difference]: Start difference. First operand 77 states and 77 transitions. Second operand 76 states. [2018-07-23 13:56:19,426 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-07-23 13:56:19,426 INFO L93 Difference]: Finished difference Result 80 states and 80 transitions. [2018-07-23 13:56:19,426 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 76 states. [2018-07-23 13:56:19,426 INFO L78 Accepts]: Start accepts. Automaton has 76 states. Word has length 76 [2018-07-23 13:56:19,426 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-07-23 13:56:19,427 INFO L225 Difference]: With dead ends: 80 [2018-07-23 13:56:19,427 INFO L226 Difference]: Without dead ends: 78 [2018-07-23 13:56:19,427 INFO L575 BasicCegarLoop]: 0 DeclaredPredicates, 75 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 74 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=2850, Invalid=2850, Unknown=0, NotChecked=0, Total=5700 [2018-07-23 13:56:19,427 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 78 states. [2018-07-23 13:56:19,432 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 78 to 78. [2018-07-23 13:56:19,433 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 78 states. [2018-07-23 13:56:19,433 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 78 states to 78 states and 78 transitions. [2018-07-23 13:56:19,433 INFO L78 Accepts]: Start accepts. Automaton has 78 states and 78 transitions. Word has length 76 [2018-07-23 13:56:19,433 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-07-23 13:56:19,433 INFO L471 AbstractCegarLoop]: Abstraction has 78 states and 78 transitions. [2018-07-23 13:56:19,433 INFO L472 AbstractCegarLoop]: Interpolant automaton has 76 states. [2018-07-23 13:56:19,434 INFO L276 IsEmpty]: Start isEmpty. Operand 78 states and 78 transitions. [2018-07-23 13:56:19,434 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 78 [2018-07-23 13:56:19,434 INFO L349 BasicCegarLoop]: Found error trace [2018-07-23 13:56:19,434 INFO L357 BasicCegarLoop]: trace histogram [74, 1, 1, 1] [2018-07-23 13:56:19,435 INFO L414 AbstractCegarLoop]: === Iteration 75 === [mainErr0AssertViolationASSERT]=== [2018-07-23 13:56:19,435 INFO L82 PathProgramCache]: Analyzing trace with hash -1010334432, now seen corresponding path program 74 times [2018-07-23 13:56:19,435 INFO L69 tionRefinementEngine]: Using refinement strategy FixedRefinementStrategy [2018-07-23 13:56:19,483 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-07-23 13:56:19,915 INFO L134 CoverageAnalysis]: Checked inductivity of 2775 backedges. 0 proven. 2775 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-07-23 13:56:19,916 INFO L309 seRefinementStrategy]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2018-07-23 13:56:19,916 INFO L324 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [76] total 76 [2018-07-23 13:56:19,916 INFO L142 lantAutomatonBuilder]: Constructing canonical interpolant automaton, with selfloop in false state [2018-07-23 13:56:19,916 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-07-23 13:56:19,916 INFO L185 omatonBuilderFactory]: Interpolants [15524#true, 15525#false, 15526#(or (= 0 (select main_a main_x)) (= main_x main_y)), 15527#(or (<= (select main_a main_x) 1) (= main_x main_y)), 15528#(or (= main_x main_y) (<= (select main_a main_x) 2)), 15529#(or (= main_x main_y) (<= (select main_a main_x) 3)), 15530#(or (<= (select main_a main_x) 4) (= main_x main_y)), 15531#(or (<= (select main_a main_x) 5) (= main_x main_y)), 15532#(or (<= (select main_a main_x) 6) (= main_x main_y)), 15533#(or (<= (select main_a main_x) 7) (= main_x main_y)), 15534#(or (<= (select main_a main_x) 8) (= main_x main_y)), 15535#(or (= main_x main_y) (<= (select main_a main_x) 9)), 15536#(or (= main_x main_y) (<= (select main_a main_x) 10)), 15537#(or (= main_x main_y) (<= (select main_a main_x) 11)), 15538#(or (<= (select main_a main_x) 12) (= main_x main_y)), 15539#(or (= main_x main_y) (<= (select main_a main_x) 13)), 15540#(or (<= (select main_a main_x) 14) (= main_x main_y)), 15541#(or (<= (select main_a main_x) 15) (= main_x main_y)), 15542#(or (<= (select main_a main_x) 16) (= main_x main_y)), 15543#(or (= main_x main_y) (<= (select main_a main_x) 17)), 15544#(or (<= (select main_a main_x) 18) (= main_x main_y)), 15545#(or (<= (select main_a main_x) 19) (= main_x main_y)), 15546#(or (= main_x main_y) (<= (select main_a main_x) 20)), 15547#(or (<= (select main_a main_x) 21) (= main_x main_y)), 15548#(or (= main_x main_y) (<= (select main_a main_x) 22)), 15549#(or (= main_x main_y) (<= (select main_a main_x) 23)), 15550#(or (<= (select main_a main_x) 24) (= main_x main_y)), 15551#(or (= main_x main_y) (<= (select main_a main_x) 25)), 15552#(or (<= (select main_a main_x) 26) (= main_x main_y)), 15553#(or (<= (select main_a main_x) 27) (= main_x main_y)), 15554#(or (<= (select main_a main_x) 28) (= main_x main_y)), 15555#(or (<= (select main_a main_x) 29) (= main_x main_y)), 15556#(or (= main_x main_y) (<= (select main_a main_x) 30)), 15557#(or (<= (select main_a main_x) 31) (= main_x main_y)), 15558#(or (<= (select main_a main_x) 32) (= main_x main_y)), 15559#(or (<= (select main_a main_x) 33) (= main_x main_y)), 15560#(or (<= (select main_a main_x) 34) (= main_x main_y)), 15561#(or (<= (select main_a main_x) 35) (= main_x main_y)), 15562#(or (<= (select main_a main_x) 36) (= main_x main_y)), 15563#(or (<= (select main_a main_x) 37) (= main_x main_y)), 15564#(or (<= (select main_a main_x) 38) (= main_x main_y)), 15565#(or (<= (select main_a main_x) 39) (= main_x main_y)), 15566#(or (<= (select main_a main_x) 40) (= main_x main_y)), 15567#(or (<= (select main_a main_x) 41) (= main_x main_y)), 15568#(or (<= (select main_a main_x) 42) (= main_x main_y)), 15569#(or (= main_x main_y) (<= (select main_a main_x) 43)), 15570#(or (= main_x main_y) (<= (select main_a main_x) 44)), 15571#(or (= main_x main_y) (<= (select main_a main_x) 45)), 15572#(or (<= (select main_a main_x) 46) (= main_x main_y)), 15573#(or (<= (select main_a main_x) 47) (= main_x main_y)), 15574#(or (<= (select main_a main_x) 48) (= main_x main_y)), 15575#(or (<= (select main_a main_x) 49) (= main_x main_y)), 15576#(or (<= (select main_a main_x) 50) (= main_x main_y)), 15577#(or (<= (select main_a main_x) 51) (= main_x main_y)), 15578#(or (= main_x main_y) (<= (select main_a main_x) 52)), 15579#(or (<= (select main_a main_x) 53) (= main_x main_y)), 15580#(or (<= (select main_a main_x) 54) (= main_x main_y)), 15581#(or (<= (select main_a main_x) 55) (= main_x main_y)), 15582#(or (= main_x main_y) (<= (select main_a main_x) 56)), 15583#(or (<= (select main_a main_x) 57) (= main_x main_y)), 15584#(or (<= (select main_a main_x) 58) (= main_x main_y)), 15585#(or (= main_x main_y) (<= (select main_a main_x) 59)), 15586#(or (= main_x main_y) (<= (select main_a main_x) 60)), 15587#(or (= main_x main_y) (<= (select main_a main_x) 61)), 15588#(or (<= (select main_a main_x) 62) (= main_x main_y)), 15589#(or (<= (select main_a main_x) 63) (= main_x main_y)), 15590#(or (= main_x main_y) (<= (select main_a main_x) 64)), 15591#(or (<= (select main_a main_x) 65) (= main_x main_y)), 15592#(or (= main_x main_y) (<= (select main_a main_x) 66)), 15593#(or (<= (select main_a main_x) 67) (= main_x main_y)), 15594#(or (= main_x main_y) (<= (select main_a main_x) 68)), 15595#(or (= main_x main_y) (<= (select main_a main_x) 69)), 15596#(or (<= (select main_a main_x) 70) (= main_x main_y)), 15597#(or (<= (select main_a main_x) 71) (= main_x main_y)), 15598#(or (= main_x main_y) (<= (select main_a main_x) 72)), 15599#(or (<= (select main_a main_x) 73) (= main_x main_y)), 15600#(or (not (= (select main_a main_x) 1000)) (= main_x main_y))] [2018-07-23 13:56:19,917 INFO L134 CoverageAnalysis]: Checked inductivity of 2775 backedges. 0 proven. 2775 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-07-23 13:56:19,917 INFO L450 AbstractCegarLoop]: Interpolant automaton has 77 states [2018-07-23 13:56:19,917 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 77 interpolants. [2018-07-23 13:56:19,918 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=2926, Invalid=2926, Unknown=0, NotChecked=0, Total=5852 [2018-07-23 13:56:19,918 INFO L87 Difference]: Start difference. First operand 78 states and 78 transitions. Second operand 77 states. [2018-07-23 13:56:19,992 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-07-23 13:56:19,992 INFO L93 Difference]: Finished difference Result 81 states and 81 transitions. [2018-07-23 13:56:19,992 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 77 states. [2018-07-23 13:56:19,992 INFO L78 Accepts]: Start accepts. Automaton has 77 states. Word has length 77 [2018-07-23 13:56:19,992 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-07-23 13:56:19,993 INFO L225 Difference]: With dead ends: 81 [2018-07-23 13:56:19,993 INFO L226 Difference]: Without dead ends: 79 [2018-07-23 13:56:19,994 INFO L575 BasicCegarLoop]: 0 DeclaredPredicates, 76 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 75 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=2926, Invalid=2926, Unknown=0, NotChecked=0, Total=5852 [2018-07-23 13:56:19,994 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 79 states. [2018-07-23 13:56:20,000 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 79 to 79. [2018-07-23 13:56:20,000 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 79 states. [2018-07-23 13:56:20,000 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 79 states to 79 states and 79 transitions. [2018-07-23 13:56:20,001 INFO L78 Accepts]: Start accepts. Automaton has 79 states and 79 transitions. Word has length 77 [2018-07-23 13:56:20,001 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-07-23 13:56:20,001 INFO L471 AbstractCegarLoop]: Abstraction has 79 states and 79 transitions. [2018-07-23 13:56:20,001 INFO L472 AbstractCegarLoop]: Interpolant automaton has 77 states. [2018-07-23 13:56:20,001 INFO L276 IsEmpty]: Start isEmpty. Operand 79 states and 79 transitions. [2018-07-23 13:56:20,001 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 79 [2018-07-23 13:56:20,001 INFO L349 BasicCegarLoop]: Found error trace [2018-07-23 13:56:20,001 INFO L357 BasicCegarLoop]: trace histogram [75, 1, 1, 1] [2018-07-23 13:56:20,002 INFO L414 AbstractCegarLoop]: === Iteration 76 === [mainErr0AssertViolationASSERT]=== [2018-07-23 13:56:20,002 INFO L82 PathProgramCache]: Analyzing trace with hash -1255600186, now seen corresponding path program 75 times [2018-07-23 13:56:20,002 INFO L69 tionRefinementEngine]: Using refinement strategy FixedRefinementStrategy [2018-07-23 13:56:20,051 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-07-23 13:56:20,444 INFO L134 CoverageAnalysis]: Checked inductivity of 2850 backedges. 0 proven. 2850 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-07-23 13:56:20,445 INFO L309 seRefinementStrategy]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2018-07-23 13:56:20,445 INFO L324 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [77] total 77 [2018-07-23 13:56:20,445 INFO L142 lantAutomatonBuilder]: Constructing canonical interpolant automaton, with selfloop in false state [2018-07-23 13:56:20,445 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-07-23 13:56:20,445 INFO L185 omatonBuilderFactory]: Interpolants [15921#true, 15922#false, 15923#(or (= 0 (select main_a main_x)) (= main_x main_y)), 15924#(or (<= (select main_a main_x) 1) (= main_x main_y)), 15925#(or (= main_x main_y) (<= (select main_a main_x) 2)), 15926#(or (= main_x main_y) (<= (select main_a main_x) 3)), 15927#(or (<= (select main_a main_x) 4) (= main_x main_y)), 15928#(or (<= (select main_a main_x) 5) (= main_x main_y)), 15929#(or (<= (select main_a main_x) 6) (= main_x main_y)), 15930#(or (<= (select main_a main_x) 7) (= main_x main_y)), 15931#(or (<= (select main_a main_x) 8) (= main_x main_y)), 15932#(or (= main_x main_y) (<= (select main_a main_x) 9)), 15933#(or (= main_x main_y) (<= (select main_a main_x) 10)), 15934#(or (= main_x main_y) (<= (select main_a main_x) 11)), 15935#(or (<= (select main_a main_x) 12) (= main_x main_y)), 15936#(or (= main_x main_y) (<= (select main_a main_x) 13)), 15937#(or (<= (select main_a main_x) 14) (= main_x main_y)), 15938#(or (<= (select main_a main_x) 15) (= main_x main_y)), 15939#(or (<= (select main_a main_x) 16) (= main_x main_y)), 15940#(or (= main_x main_y) (<= (select main_a main_x) 17)), 15941#(or (<= (select main_a main_x) 18) (= main_x main_y)), 15942#(or (<= (select main_a main_x) 19) (= main_x main_y)), 15943#(or (= main_x main_y) (<= (select main_a main_x) 20)), 15944#(or (<= (select main_a main_x) 21) (= main_x main_y)), 15945#(or (= main_x main_y) (<= (select main_a main_x) 22)), 15946#(or (= main_x main_y) (<= (select main_a main_x) 23)), 15947#(or (<= (select main_a main_x) 24) (= main_x main_y)), 15948#(or (= main_x main_y) (<= (select main_a main_x) 25)), 15949#(or (<= (select main_a main_x) 26) (= main_x main_y)), 15950#(or (<= (select main_a main_x) 27) (= main_x main_y)), 15951#(or (<= (select main_a main_x) 28) (= main_x main_y)), 15952#(or (<= (select main_a main_x) 29) (= main_x main_y)), 15953#(or (= main_x main_y) (<= (select main_a main_x) 30)), 15954#(or (<= (select main_a main_x) 31) (= main_x main_y)), 15955#(or (<= (select main_a main_x) 32) (= main_x main_y)), 15956#(or (<= (select main_a main_x) 33) (= main_x main_y)), 15957#(or (<= (select main_a main_x) 34) (= main_x main_y)), 15958#(or (<= (select main_a main_x) 35) (= main_x main_y)), 15959#(or (<= (select main_a main_x) 36) (= main_x main_y)), 15960#(or (<= (select main_a main_x) 37) (= main_x main_y)), 15961#(or (<= (select main_a main_x) 38) (= main_x main_y)), 15962#(or (<= (select main_a main_x) 39) (= main_x main_y)), 15963#(or (<= (select main_a main_x) 40) (= main_x main_y)), 15964#(or (<= (select main_a main_x) 41) (= main_x main_y)), 15965#(or (<= (select main_a main_x) 42) (= main_x main_y)), 15966#(or (= main_x main_y) (<= (select main_a main_x) 43)), 15967#(or (= main_x main_y) (<= (select main_a main_x) 44)), 15968#(or (= main_x main_y) (<= (select main_a main_x) 45)), 15969#(or (<= (select main_a main_x) 46) (= main_x main_y)), 15970#(or (<= (select main_a main_x) 47) (= main_x main_y)), 15971#(or (<= (select main_a main_x) 48) (= main_x main_y)), 15972#(or (<= (select main_a main_x) 49) (= main_x main_y)), 15973#(or (<= (select main_a main_x) 50) (= main_x main_y)), 15974#(or (<= (select main_a main_x) 51) (= main_x main_y)), 15975#(or (= main_x main_y) (<= (select main_a main_x) 52)), 15976#(or (<= (select main_a main_x) 53) (= main_x main_y)), 15977#(or (<= (select main_a main_x) 54) (= main_x main_y)), 15978#(or (<= (select main_a main_x) 55) (= main_x main_y)), 15979#(or (= main_x main_y) (<= (select main_a main_x) 56)), 15980#(or (<= (select main_a main_x) 57) (= main_x main_y)), 15981#(or (<= (select main_a main_x) 58) (= main_x main_y)), 15982#(or (= main_x main_y) (<= (select main_a main_x) 59)), 15983#(or (= main_x main_y) (<= (select main_a main_x) 60)), 15984#(or (= main_x main_y) (<= (select main_a main_x) 61)), 15985#(or (<= (select main_a main_x) 62) (= main_x main_y)), 15986#(or (<= (select main_a main_x) 63) (= main_x main_y)), 15987#(or (= main_x main_y) (<= (select main_a main_x) 64)), 15988#(or (<= (select main_a main_x) 65) (= main_x main_y)), 15989#(or (= main_x main_y) (<= (select main_a main_x) 66)), 15990#(or (<= (select main_a main_x) 67) (= main_x main_y)), 15991#(or (= main_x main_y) (<= (select main_a main_x) 68)), 15992#(or (= main_x main_y) (<= (select main_a main_x) 69)), 15993#(or (<= (select main_a main_x) 70) (= main_x main_y)), 15994#(or (<= (select main_a main_x) 71) (= main_x main_y)), 15995#(or (= main_x main_y) (<= (select main_a main_x) 72)), 15996#(or (<= (select main_a main_x) 73) (= main_x main_y)), 15997#(or (= main_x main_y) (<= (select main_a main_x) 74)), 15998#(or (not (= (select main_a main_x) 1000)) (= main_x main_y))] [2018-07-23 13:56:20,446 INFO L134 CoverageAnalysis]: Checked inductivity of 2850 backedges. 0 proven. 2850 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-07-23 13:56:20,446 INFO L450 AbstractCegarLoop]: Interpolant automaton has 78 states [2018-07-23 13:56:20,446 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 78 interpolants. [2018-07-23 13:56:20,447 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=3003, Invalid=3003, Unknown=0, NotChecked=0, Total=6006 [2018-07-23 13:56:20,447 INFO L87 Difference]: Start difference. First operand 79 states and 79 transitions. Second operand 78 states. [2018-07-23 13:56:20,525 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-07-23 13:56:20,526 INFO L93 Difference]: Finished difference Result 82 states and 82 transitions. [2018-07-23 13:56:20,526 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 78 states. [2018-07-23 13:56:20,526 INFO L78 Accepts]: Start accepts. Automaton has 78 states. Word has length 78 [2018-07-23 13:56:20,526 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-07-23 13:56:20,527 INFO L225 Difference]: With dead ends: 82 [2018-07-23 13:56:20,527 INFO L226 Difference]: Without dead ends: 80 [2018-07-23 13:56:20,527 INFO L575 BasicCegarLoop]: 0 DeclaredPredicates, 77 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 76 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=3003, Invalid=3003, Unknown=0, NotChecked=0, Total=6006 [2018-07-23 13:56:20,528 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 80 states. [2018-07-23 13:56:20,535 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 80 to 80. [2018-07-23 13:56:20,535 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 80 states. [2018-07-23 13:56:20,535 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 80 states to 80 states and 80 transitions. [2018-07-23 13:56:20,535 INFO L78 Accepts]: Start accepts. Automaton has 80 states and 80 transitions. Word has length 78 [2018-07-23 13:56:20,536 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-07-23 13:56:20,536 INFO L471 AbstractCegarLoop]: Abstraction has 80 states and 80 transitions. [2018-07-23 13:56:20,536 INFO L472 AbstractCegarLoop]: Interpolant automaton has 78 states. [2018-07-23 13:56:20,536 INFO L276 IsEmpty]: Start isEmpty. Operand 80 states and 80 transitions. [2018-07-23 13:56:20,536 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 80 [2018-07-23 13:56:20,536 INFO L349 BasicCegarLoop]: Found error trace [2018-07-23 13:56:20,537 INFO L357 BasicCegarLoop]: trace histogram [76, 1, 1, 1] [2018-07-23 13:56:20,537 INFO L414 AbstractCegarLoop]: === Iteration 77 === [mainErr0AssertViolationASSERT]=== [2018-07-23 13:56:20,537 INFO L82 PathProgramCache]: Analyzing trace with hash -268903968, now seen corresponding path program 76 times [2018-07-23 13:56:20,537 INFO L69 tionRefinementEngine]: Using refinement strategy FixedRefinementStrategy [2018-07-23 13:56:20,595 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-07-23 13:56:21,058 INFO L134 CoverageAnalysis]: Checked inductivity of 2926 backedges. 0 proven. 2926 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-07-23 13:56:21,059 INFO L309 seRefinementStrategy]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2018-07-23 13:56:21,059 INFO L324 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [78] total 78 [2018-07-23 13:56:21,059 INFO L142 lantAutomatonBuilder]: Constructing canonical interpolant automaton, with selfloop in false state [2018-07-23 13:56:21,059 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-07-23 13:56:21,060 INFO L185 omatonBuilderFactory]: Interpolants [16384#(or (= main_x main_y) (<= (select main_a main_x) 59)), 16385#(or (= main_x main_y) (<= (select main_a main_x) 60)), 16386#(or (= main_x main_y) (<= (select main_a main_x) 61)), 16387#(or (<= (select main_a main_x) 62) (= main_x main_y)), 16388#(or (<= (select main_a main_x) 63) (= main_x main_y)), 16389#(or (= main_x main_y) (<= (select main_a main_x) 64)), 16390#(or (<= (select main_a main_x) 65) (= main_x main_y)), 16391#(or (= main_x main_y) (<= (select main_a main_x) 66)), 16392#(or (<= (select main_a main_x) 67) (= main_x main_y)), 16393#(or (= main_x main_y) (<= (select main_a main_x) 68)), 16394#(or (= main_x main_y) (<= (select main_a main_x) 69)), 16395#(or (<= (select main_a main_x) 70) (= main_x main_y)), 16396#(or (<= (select main_a main_x) 71) (= main_x main_y)), 16397#(or (= main_x main_y) (<= (select main_a main_x) 72)), 16398#(or (<= (select main_a main_x) 73) (= main_x main_y)), 16399#(or (= main_x main_y) (<= (select main_a main_x) 74)), 16400#(or (= main_x main_y) (<= (select main_a main_x) 75)), 16401#(or (not (= (select main_a main_x) 1000)) (= main_x main_y)), 16323#true, 16324#false, 16325#(or (= 0 (select main_a main_x)) (= main_x main_y)), 16326#(or (<= (select main_a main_x) 1) (= main_x main_y)), 16327#(or (= main_x main_y) (<= (select main_a main_x) 2)), 16328#(or (= main_x main_y) (<= (select main_a main_x) 3)), 16329#(or (<= (select main_a main_x) 4) (= main_x main_y)), 16330#(or (<= (select main_a main_x) 5) (= main_x main_y)), 16331#(or (<= (select main_a main_x) 6) (= main_x main_y)), 16332#(or (<= (select main_a main_x) 7) (= main_x main_y)), 16333#(or (<= (select main_a main_x) 8) (= main_x main_y)), 16334#(or (= main_x main_y) (<= (select main_a main_x) 9)), 16335#(or (= main_x main_y) (<= (select main_a main_x) 10)), 16336#(or (= main_x main_y) (<= (select main_a main_x) 11)), 16337#(or (<= (select main_a main_x) 12) (= main_x main_y)), 16338#(or (= main_x main_y) (<= (select main_a main_x) 13)), 16339#(or (<= (select main_a main_x) 14) (= main_x main_y)), 16340#(or (<= (select main_a main_x) 15) (= main_x main_y)), 16341#(or (<= (select main_a main_x) 16) (= main_x main_y)), 16342#(or (= main_x main_y) (<= (select main_a main_x) 17)), 16343#(or (<= (select main_a main_x) 18) (= main_x main_y)), 16344#(or (<= (select main_a main_x) 19) (= main_x main_y)), 16345#(or (= main_x main_y) (<= (select main_a main_x) 20)), 16346#(or (<= (select main_a main_x) 21) (= main_x main_y)), 16347#(or (= main_x main_y) (<= (select main_a main_x) 22)), 16348#(or (= main_x main_y) (<= (select main_a main_x) 23)), 16349#(or (<= (select main_a main_x) 24) (= main_x main_y)), 16350#(or (= main_x main_y) (<= (select main_a main_x) 25)), 16351#(or (<= (select main_a main_x) 26) (= main_x main_y)), 16352#(or (<= (select main_a main_x) 27) (= main_x main_y)), 16353#(or (<= (select main_a main_x) 28) (= main_x main_y)), 16354#(or (<= (select main_a main_x) 29) (= main_x main_y)), 16355#(or (= main_x main_y) (<= (select main_a main_x) 30)), 16356#(or (<= (select main_a main_x) 31) (= main_x main_y)), 16357#(or (<= (select main_a main_x) 32) (= main_x main_y)), 16358#(or (<= (select main_a main_x) 33) (= main_x main_y)), 16359#(or (<= (select main_a main_x) 34) (= main_x main_y)), 16360#(or (<= (select main_a main_x) 35) (= main_x main_y)), 16361#(or (<= (select main_a main_x) 36) (= main_x main_y)), 16362#(or (<= (select main_a main_x) 37) (= main_x main_y)), 16363#(or (<= (select main_a main_x) 38) (= main_x main_y)), 16364#(or (<= (select main_a main_x) 39) (= main_x main_y)), 16365#(or (<= (select main_a main_x) 40) (= main_x main_y)), 16366#(or (<= (select main_a main_x) 41) (= main_x main_y)), 16367#(or (<= (select main_a main_x) 42) (= main_x main_y)), 16368#(or (= main_x main_y) (<= (select main_a main_x) 43)), 16369#(or (= main_x main_y) (<= (select main_a main_x) 44)), 16370#(or (= main_x main_y) (<= (select main_a main_x) 45)), 16371#(or (<= (select main_a main_x) 46) (= main_x main_y)), 16372#(or (<= (select main_a main_x) 47) (= main_x main_y)), 16373#(or (<= (select main_a main_x) 48) (= main_x main_y)), 16374#(or (<= (select main_a main_x) 49) (= main_x main_y)), 16375#(or (<= (select main_a main_x) 50) (= main_x main_y)), 16376#(or (<= (select main_a main_x) 51) (= main_x main_y)), 16377#(or (= main_x main_y) (<= (select main_a main_x) 52)), 16378#(or (<= (select main_a main_x) 53) (= main_x main_y)), 16379#(or (<= (select main_a main_x) 54) (= main_x main_y)), 16380#(or (<= (select main_a main_x) 55) (= main_x main_y)), 16381#(or (= main_x main_y) (<= (select main_a main_x) 56)), 16382#(or (<= (select main_a main_x) 57) (= main_x main_y)), 16383#(or (<= (select main_a main_x) 58) (= main_x main_y))] [2018-07-23 13:56:21,060 INFO L134 CoverageAnalysis]: Checked inductivity of 2926 backedges. 0 proven. 2926 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-07-23 13:56:21,060 INFO L450 AbstractCegarLoop]: Interpolant automaton has 79 states [2018-07-23 13:56:21,061 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 79 interpolants. [2018-07-23 13:56:21,061 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=3081, Invalid=3081, Unknown=0, NotChecked=0, Total=6162 [2018-07-23 13:56:21,061 INFO L87 Difference]: Start difference. First operand 80 states and 80 transitions. Second operand 79 states. [2018-07-23 13:56:21,102 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-07-23 13:56:21,102 INFO L93 Difference]: Finished difference Result 83 states and 83 transitions. [2018-07-23 13:56:21,103 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 79 states. [2018-07-23 13:56:21,103 INFO L78 Accepts]: Start accepts. Automaton has 79 states. Word has length 79 [2018-07-23 13:56:21,103 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-07-23 13:56:21,103 INFO L225 Difference]: With dead ends: 83 [2018-07-23 13:56:21,104 INFO L226 Difference]: Without dead ends: 81 [2018-07-23 13:56:21,104 INFO L575 BasicCegarLoop]: 0 DeclaredPredicates, 78 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 77 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=3081, Invalid=3081, Unknown=0, NotChecked=0, Total=6162 [2018-07-23 13:56:21,105 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 81 states. [2018-07-23 13:56:21,110 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 81 to 81. [2018-07-23 13:56:21,110 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 81 states. [2018-07-23 13:56:21,110 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 81 states to 81 states and 81 transitions. [2018-07-23 13:56:21,110 INFO L78 Accepts]: Start accepts. Automaton has 81 states and 81 transitions. Word has length 79 [2018-07-23 13:56:21,111 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-07-23 13:56:21,111 INFO L471 AbstractCegarLoop]: Abstraction has 81 states and 81 transitions. [2018-07-23 13:56:21,111 INFO L472 AbstractCegarLoop]: Interpolant automaton has 79 states. [2018-07-23 13:56:21,111 INFO L276 IsEmpty]: Start isEmpty. Operand 81 states and 81 transitions. [2018-07-23 13:56:21,111 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 81 [2018-07-23 13:56:21,111 INFO L349 BasicCegarLoop]: Found error trace [2018-07-23 13:56:21,111 INFO L357 BasicCegarLoop]: trace histogram [77, 1, 1, 1] [2018-07-23 13:56:21,112 INFO L414 AbstractCegarLoop]: === Iteration 78 === [mainErr0AssertViolationASSERT]=== [2018-07-23 13:56:21,112 INFO L82 PathProgramCache]: Analyzing trace with hash 253907718, now seen corresponding path program 77 times [2018-07-23 13:56:21,112 INFO L69 tionRefinementEngine]: Using refinement strategy FixedRefinementStrategy [2018-07-23 13:56:21,162 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-07-23 13:56:21,635 INFO L134 CoverageAnalysis]: Checked inductivity of 3003 backedges. 0 proven. 3003 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-07-23 13:56:21,635 INFO L309 seRefinementStrategy]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2018-07-23 13:56:21,635 INFO L324 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [79] total 79 [2018-07-23 13:56:21,635 INFO L142 lantAutomatonBuilder]: Constructing canonical interpolant automaton, with selfloop in false state [2018-07-23 13:56:21,636 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 13:56:21,636 INFO L185 omatonBuilderFactory]: Interpolants [16768#(or (<= (select main_a main_x) 36) (= main_x main_y)), 16769#(or (<= (select main_a main_x) 37) (= main_x main_y)), 16770#(or (<= (select main_a main_x) 38) (= main_x main_y)), 16771#(or (<= (select main_a main_x) 39) (= main_x main_y)), 16772#(or (<= (select main_a main_x) 40) (= main_x main_y)), 16773#(or (<= (select main_a main_x) 41) (= main_x main_y)), 16774#(or (<= (select main_a main_x) 42) (= main_x main_y)), 16775#(or (= main_x main_y) (<= (select main_a main_x) 43)), 16776#(or (= main_x main_y) (<= (select main_a main_x) 44)), 16777#(or (= main_x main_y) (<= (select main_a main_x) 45)), 16778#(or (<= (select main_a main_x) 46) (= main_x main_y)), 16779#(or (<= (select main_a main_x) 47) (= main_x main_y)), 16780#(or (<= (select main_a main_x) 48) (= main_x main_y)), 16781#(or (<= (select main_a main_x) 49) (= main_x main_y)), 16782#(or (<= (select main_a main_x) 50) (= main_x main_y)), 16783#(or (<= (select main_a main_x) 51) (= main_x main_y)), 16784#(or (= main_x main_y) (<= (select main_a main_x) 52)), 16785#(or (<= (select main_a main_x) 53) (= main_x main_y)), 16786#(or (<= (select main_a main_x) 54) (= main_x main_y)), 16787#(or (<= (select main_a main_x) 55) (= main_x main_y)), 16788#(or (= main_x main_y) (<= (select main_a main_x) 56)), 16789#(or (<= (select main_a main_x) 57) (= main_x main_y)), 16790#(or (<= (select main_a main_x) 58) (= main_x main_y)), 16791#(or (= main_x main_y) (<= (select main_a main_x) 59)), 16792#(or (= main_x main_y) (<= (select main_a main_x) 60)), 16793#(or (= main_x main_y) (<= (select main_a main_x) 61)), 16794#(or (<= (select main_a main_x) 62) (= main_x main_y)), 16795#(or (<= (select main_a main_x) 63) (= main_x main_y)), 16796#(or (= main_x main_y) (<= (select main_a main_x) 64)), 16797#(or (<= (select main_a main_x) 65) (= main_x main_y)), 16798#(or (= main_x main_y) (<= (select main_a main_x) 66)), 16799#(or (<= (select main_a main_x) 67) (= main_x main_y)), 16800#(or (= main_x main_y) (<= (select main_a main_x) 68)), 16801#(or (= main_x main_y) (<= (select main_a main_x) 69)), 16802#(or (<= (select main_a main_x) 70) (= main_x main_y)), 16803#(or (<= (select main_a main_x) 71) (= main_x main_y)), 16804#(or (= main_x main_y) (<= (select main_a main_x) 72)), 16805#(or (<= (select main_a main_x) 73) (= main_x main_y)), 16806#(or (= main_x main_y) (<= (select main_a main_x) 74)), 16807#(or (= main_x main_y) (<= (select main_a main_x) 75)), 16808#(or (<= (select main_a main_x) 76) (= main_x main_y)), 16809#(or (not (= (select main_a main_x) 1000)) (= main_x main_y)), 16730#true, 16731#false, 16732#(or (= 0 (select main_a main_x)) (= main_x main_y)), 16733#(or (<= (select main_a main_x) 1) (= main_x main_y)), 16734#(or (= main_x main_y) (<= (select main_a main_x) 2)), 16735#(or (= main_x main_y) (<= (select main_a main_x) 3)), 16736#(or (<= (select main_a main_x) 4) (= main_x main_y)), 16737#(or (<= (select main_a main_x) 5) (= main_x main_y)), 16738#(or (<= (select main_a main_x) 6) (= main_x main_y)), 16739#(or (<= (select main_a main_x) 7) (= main_x main_y)), 16740#(or (<= (select main_a main_x) 8) (= main_x main_y)), 16741#(or (= main_x main_y) (<= (select main_a main_x) 9)), 16742#(or (= main_x main_y) (<= (select main_a main_x) 10)), 16743#(or (= main_x main_y) (<= (select main_a main_x) 11)), 16744#(or (<= (select main_a main_x) 12) (= main_x main_y)), 16745#(or (= main_x main_y) (<= (select main_a main_x) 13)), 16746#(or (<= (select main_a main_x) 14) (= main_x main_y)), 16747#(or (<= (select main_a main_x) 15) (= main_x main_y)), 16748#(or (<= (select main_a main_x) 16) (= main_x main_y)), 16749#(or (= main_x main_y) (<= (select main_a main_x) 17)), 16750#(or (<= (select main_a main_x) 18) (= main_x main_y)), 16751#(or (<= (select main_a main_x) 19) (= main_x main_y)), 16752#(or (= main_x main_y) (<= (select main_a main_x) 20)), 16753#(or (<= (select main_a main_x) 21) (= main_x main_y)), 16754#(or (= main_x main_y) (<= (select main_a main_x) 22)), 16755#(or (= main_x main_y) (<= (select main_a main_x) 23)), 16756#(or (<= (select main_a main_x) 24) (= main_x main_y)), 16757#(or (= main_x main_y) (<= (select main_a main_x) 25)), 16758#(or (<= (select main_a main_x) 26) (= main_x main_y)), 16759#(or (<= (select main_a main_x) 27) (= main_x main_y)), 16760#(or (<= (select main_a main_x) 28) (= main_x main_y)), 16761#(or (<= (select main_a main_x) 29) (= main_x main_y)), 16762#(or (= main_x main_y) (<= (select main_a main_x) 30)), 16763#(or (<= (select main_a main_x) 31) (= main_x main_y)), 16764#(or (<= (select main_a main_x) 32) (= main_x main_y)), 16765#(or (<= (select main_a main_x) 33) (= main_x main_y)), 16766#(or (<= (select main_a main_x) 34) (= main_x main_y)), 16767#(or (<= (select main_a main_x) 35) (= main_x main_y))] [2018-07-23 13:56:21,637 INFO L134 CoverageAnalysis]: Checked inductivity of 3003 backedges. 0 proven. 3003 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-07-23 13:56:21,637 INFO L450 AbstractCegarLoop]: Interpolant automaton has 80 states [2018-07-23 13:56:21,637 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 80 interpolants. [2018-07-23 13:56:21,638 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=3160, Invalid=3160, Unknown=0, NotChecked=0, Total=6320 [2018-07-23 13:56:21,638 INFO L87 Difference]: Start difference. First operand 81 states and 81 transitions. Second operand 80 states. [2018-07-23 13:56:21,696 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-07-23 13:56:21,697 INFO L93 Difference]: Finished difference Result 84 states and 84 transitions. [2018-07-23 13:56:21,697 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 80 states. [2018-07-23 13:56:21,697 INFO L78 Accepts]: Start accepts. Automaton has 80 states. Word has length 80 [2018-07-23 13:56:21,697 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-07-23 13:56:21,698 INFO L225 Difference]: With dead ends: 84 [2018-07-23 13:56:21,698 INFO L226 Difference]: Without dead ends: 82 [2018-07-23 13:56:21,699 INFO L575 BasicCegarLoop]: 0 DeclaredPredicates, 79 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 78 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=3160, Invalid=3160, Unknown=0, NotChecked=0, Total=6320 [2018-07-23 13:56:21,699 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 82 states. [2018-07-23 13:56:21,705 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 82 to 82. [2018-07-23 13:56:21,706 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 82 states. [2018-07-23 13:56:21,706 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 82 states to 82 states and 82 transitions. [2018-07-23 13:56:21,706 INFO L78 Accepts]: Start accepts. Automaton has 82 states and 82 transitions. Word has length 80 [2018-07-23 13:56:21,706 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-07-23 13:56:21,706 INFO L471 AbstractCegarLoop]: Abstraction has 82 states and 82 transitions. [2018-07-23 13:56:21,706 INFO L472 AbstractCegarLoop]: Interpolant automaton has 80 states. [2018-07-23 13:56:21,707 INFO L276 IsEmpty]: Start isEmpty. Operand 82 states and 82 transitions. [2018-07-23 13:56:21,707 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 82 [2018-07-23 13:56:21,707 INFO L349 BasicCegarLoop]: Found error trace [2018-07-23 13:56:21,707 INFO L357 BasicCegarLoop]: trace histogram [78, 1, 1, 1] [2018-07-23 13:56:21,707 INFO L414 AbstractCegarLoop]: === Iteration 79 === [mainErr0AssertViolationASSERT]=== [2018-07-23 13:56:21,708 INFO L82 PathProgramCache]: Analyzing trace with hash -718799200, now seen corresponding path program 78 times [2018-07-23 13:56:21,708 INFO L69 tionRefinementEngine]: Using refinement strategy FixedRefinementStrategy [2018-07-23 13:56:21,774 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-07-23 13:56:22,539 INFO L134 CoverageAnalysis]: Checked inductivity of 3081 backedges. 0 proven. 3081 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-07-23 13:56:22,540 INFO L309 seRefinementStrategy]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2018-07-23 13:56:22,540 INFO L324 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [80] total 80 [2018-07-23 13:56:22,540 INFO L142 lantAutomatonBuilder]: Constructing canonical interpolant automaton, with selfloop in false state [2018-07-23 13:56:22,541 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 13:56:22,541 INFO L185 omatonBuilderFactory]: Interpolants [17152#(or (<= (select main_a main_x) 8) (= main_x main_y)), 17153#(or (= main_x main_y) (<= (select main_a main_x) 9)), 17154#(or (= main_x main_y) (<= (select main_a main_x) 10)), 17155#(or (= main_x main_y) (<= (select main_a main_x) 11)), 17156#(or (<= (select main_a main_x) 12) (= main_x main_y)), 17157#(or (= main_x main_y) (<= (select main_a main_x) 13)), 17158#(or (<= (select main_a main_x) 14) (= main_x main_y)), 17159#(or (<= (select main_a main_x) 15) (= main_x main_y)), 17160#(or (<= (select main_a main_x) 16) (= main_x main_y)), 17161#(or (= main_x main_y) (<= (select main_a main_x) 17)), 17162#(or (<= (select main_a main_x) 18) (= main_x main_y)), 17163#(or (<= (select main_a main_x) 19) (= main_x main_y)), 17164#(or (= main_x main_y) (<= (select main_a main_x) 20)), 17165#(or (<= (select main_a main_x) 21) (= main_x main_y)), 17166#(or (= main_x main_y) (<= (select main_a main_x) 22)), 17167#(or (= main_x main_y) (<= (select main_a main_x) 23)), 17168#(or (<= (select main_a main_x) 24) (= main_x main_y)), 17169#(or (= main_x main_y) (<= (select main_a main_x) 25)), 17170#(or (<= (select main_a main_x) 26) (= main_x main_y)), 17171#(or (<= (select main_a main_x) 27) (= main_x main_y)), 17172#(or (<= (select main_a main_x) 28) (= main_x main_y)), 17173#(or (<= (select main_a main_x) 29) (= main_x main_y)), 17174#(or (= main_x main_y) (<= (select main_a main_x) 30)), 17175#(or (<= (select main_a main_x) 31) (= main_x main_y)), 17176#(or (<= (select main_a main_x) 32) (= main_x main_y)), 17177#(or (<= (select main_a main_x) 33) (= main_x main_y)), 17178#(or (<= (select main_a main_x) 34) (= main_x main_y)), 17179#(or (<= (select main_a main_x) 35) (= main_x main_y)), 17180#(or (<= (select main_a main_x) 36) (= main_x main_y)), 17181#(or (<= (select main_a main_x) 37) (= main_x main_y)), 17182#(or (<= (select main_a main_x) 38) (= main_x main_y)), 17183#(or (<= (select main_a main_x) 39) (= main_x main_y)), 17184#(or (<= (select main_a main_x) 40) (= main_x main_y)), 17185#(or (<= (select main_a main_x) 41) (= main_x main_y)), 17186#(or (<= (select main_a main_x) 42) (= main_x main_y)), 17187#(or (= main_x main_y) (<= (select main_a main_x) 43)), 17188#(or (= main_x main_y) (<= (select main_a main_x) 44)), 17189#(or (= main_x main_y) (<= (select main_a main_x) 45)), 17190#(or (<= (select main_a main_x) 46) (= main_x main_y)), 17191#(or (<= (select main_a main_x) 47) (= main_x main_y)), 17192#(or (<= (select main_a main_x) 48) (= main_x main_y)), 17193#(or (<= (select main_a main_x) 49) (= main_x main_y)), 17194#(or (<= (select main_a main_x) 50) (= main_x main_y)), 17195#(or (<= (select main_a main_x) 51) (= main_x main_y)), 17196#(or (= main_x main_y) (<= (select main_a main_x) 52)), 17197#(or (<= (select main_a main_x) 53) (= main_x main_y)), 17198#(or (<= (select main_a main_x) 54) (= main_x main_y)), 17199#(or (<= (select main_a main_x) 55) (= main_x main_y)), 17200#(or (= main_x main_y) (<= (select main_a main_x) 56)), 17201#(or (<= (select main_a main_x) 57) (= main_x main_y)), 17202#(or (<= (select main_a main_x) 58) (= main_x main_y)), 17203#(or (= main_x main_y) (<= (select main_a main_x) 59)), 17204#(or (= main_x main_y) (<= (select main_a main_x) 60)), 17205#(or (= main_x main_y) (<= (select main_a main_x) 61)), 17206#(or (<= (select main_a main_x) 62) (= main_x main_y)), 17207#(or (<= (select main_a main_x) 63) (= main_x main_y)), 17208#(or (= main_x main_y) (<= (select main_a main_x) 64)), 17209#(or (<= (select main_a main_x) 65) (= main_x main_y)), 17210#(or (= main_x main_y) (<= (select main_a main_x) 66)), 17211#(or (<= (select main_a main_x) 67) (= main_x main_y)), 17212#(or (= main_x main_y) (<= (select main_a main_x) 68)), 17213#(or (= main_x main_y) (<= (select main_a main_x) 69)), 17214#(or (<= (select main_a main_x) 70) (= main_x main_y)), 17215#(or (<= (select main_a main_x) 71) (= main_x main_y)), 17216#(or (= main_x main_y) (<= (select main_a main_x) 72)), 17217#(or (<= (select main_a main_x) 73) (= main_x main_y)), 17218#(or (= main_x main_y) (<= (select main_a main_x) 74)), 17219#(or (= main_x main_y) (<= (select main_a main_x) 75)), 17220#(or (<= (select main_a main_x) 76) (= main_x main_y)), 17221#(or (<= (select main_a main_x) 77) (= main_x main_y)), 17222#(or (not (= (select main_a main_x) 1000)) (= main_x main_y)), 17142#true, 17143#false, 17144#(or (= 0 (select main_a main_x)) (= main_x main_y)), 17145#(or (<= (select main_a main_x) 1) (= main_x main_y)), 17146#(or (= main_x main_y) (<= (select main_a main_x) 2)), 17147#(or (= main_x main_y) (<= (select main_a main_x) 3)), 17148#(or (<= (select main_a main_x) 4) (= main_x main_y)), 17149#(or (<= (select main_a main_x) 5) (= main_x main_y)), 17150#(or (<= (select main_a main_x) 6) (= main_x main_y)), 17151#(or (<= (select main_a main_x) 7) (= main_x main_y))] [2018-07-23 13:56:22,541 INFO L134 CoverageAnalysis]: Checked inductivity of 3081 backedges. 0 proven. 3081 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-07-23 13:56:22,542 INFO L450 AbstractCegarLoop]: Interpolant automaton has 81 states [2018-07-23 13:56:22,542 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 81 interpolants. [2018-07-23 13:56:22,543 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=3240, Invalid=3240, Unknown=0, NotChecked=0, Total=6480 [2018-07-23 13:56:22,543 INFO L87 Difference]: Start difference. First operand 82 states and 82 transitions. Second operand 81 states. [2018-07-23 13:56:22,645 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-07-23 13:56:22,645 INFO L93 Difference]: Finished difference Result 85 states and 85 transitions. [2018-07-23 13:56:22,645 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 81 states. [2018-07-23 13:56:22,645 INFO L78 Accepts]: Start accepts. Automaton has 81 states. Word has length 81 [2018-07-23 13:56:22,645 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-07-23 13:56:22,646 INFO L225 Difference]: With dead ends: 85 [2018-07-23 13:56:22,646 INFO L226 Difference]: Without dead ends: 83 [2018-07-23 13:56:22,647 INFO L575 BasicCegarLoop]: 0 DeclaredPredicates, 80 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 79 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.6s TimeCoverageRelationStatistics Valid=3240, Invalid=3240, Unknown=0, NotChecked=0, Total=6480 [2018-07-23 13:56:22,647 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 83 states. [2018-07-23 13:56:22,654 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 83 to 83. [2018-07-23 13:56:22,654 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 83 states. [2018-07-23 13:56:22,655 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 83 states to 83 states and 83 transitions. [2018-07-23 13:56:22,655 INFO L78 Accepts]: Start accepts. Automaton has 83 states and 83 transitions. Word has length 81 [2018-07-23 13:56:22,655 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-07-23 13:56:22,655 INFO L471 AbstractCegarLoop]: Abstraction has 83 states and 83 transitions. [2018-07-23 13:56:22,655 INFO L472 AbstractCegarLoop]: Interpolant automaton has 81 states. [2018-07-23 13:56:22,655 INFO L276 IsEmpty]: Start isEmpty. Operand 83 states and 83 transitions. [2018-07-23 13:56:22,656 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 83 [2018-07-23 13:56:22,656 INFO L349 BasicCegarLoop]: Found error trace [2018-07-23 13:56:22,656 INFO L357 BasicCegarLoop]: trace histogram [79, 1, 1, 1] [2018-07-23 13:56:22,656 INFO L414 AbstractCegarLoop]: === Iteration 80 === [mainErr0AssertViolationASSERT]=== [2018-07-23 13:56:22,656 INFO L82 PathProgramCache]: Analyzing trace with hash -807942586, now seen corresponding path program 79 times [2018-07-23 13:56:22,656 INFO L69 tionRefinementEngine]: Using refinement strategy FixedRefinementStrategy [2018-07-23 13:56:22,729 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-07-23 13:56:23,199 INFO L134 CoverageAnalysis]: Checked inductivity of 3160 backedges. 0 proven. 3160 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-07-23 13:56:23,199 INFO L309 seRefinementStrategy]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2018-07-23 13:56:23,199 INFO L324 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [81] total 81 [2018-07-23 13:56:23,199 INFO L142 lantAutomatonBuilder]: Constructing canonical interpolant automaton, with selfloop in false state [2018-07-23 13:56:23,200 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 13:56:23,200 INFO L185 omatonBuilderFactory]: Interpolants [17559#true, 17560#false, 17561#(or (= 0 (select main_a main_x)) (= main_x main_y)), 17562#(or (<= (select main_a main_x) 1) (= main_x main_y)), 17563#(or (= main_x main_y) (<= (select main_a main_x) 2)), 17564#(or (= main_x main_y) (<= (select main_a main_x) 3)), 17565#(or (<= (select main_a main_x) 4) (= main_x main_y)), 17566#(or (<= (select main_a main_x) 5) (= main_x main_y)), 17567#(or (<= (select main_a main_x) 6) (= main_x main_y)), 17568#(or (<= (select main_a main_x) 7) (= main_x main_y)), 17569#(or (<= (select main_a main_x) 8) (= main_x main_y)), 17570#(or (= main_x main_y) (<= (select main_a main_x) 9)), 17571#(or (= main_x main_y) (<= (select main_a main_x) 10)), 17572#(or (= main_x main_y) (<= (select main_a main_x) 11)), 17573#(or (<= (select main_a main_x) 12) (= main_x main_y)), 17574#(or (= main_x main_y) (<= (select main_a main_x) 13)), 17575#(or (<= (select main_a main_x) 14) (= main_x main_y)), 17576#(or (<= (select main_a main_x) 15) (= main_x main_y)), 17577#(or (<= (select main_a main_x) 16) (= main_x main_y)), 17578#(or (= main_x main_y) (<= (select main_a main_x) 17)), 17579#(or (<= (select main_a main_x) 18) (= main_x main_y)), 17580#(or (<= (select main_a main_x) 19) (= main_x main_y)), 17581#(or (= main_x main_y) (<= (select main_a main_x) 20)), 17582#(or (<= (select main_a main_x) 21) (= main_x main_y)), 17583#(or (= main_x main_y) (<= (select main_a main_x) 22)), 17584#(or (= main_x main_y) (<= (select main_a main_x) 23)), 17585#(or (<= (select main_a main_x) 24) (= main_x main_y)), 17586#(or (= main_x main_y) (<= (select main_a main_x) 25)), 17587#(or (<= (select main_a main_x) 26) (= main_x main_y)), 17588#(or (<= (select main_a main_x) 27) (= main_x main_y)), 17589#(or (<= (select main_a main_x) 28) (= main_x main_y)), 17590#(or (<= (select main_a main_x) 29) (= main_x main_y)), 17591#(or (= main_x main_y) (<= (select main_a main_x) 30)), 17592#(or (<= (select main_a main_x) 31) (= main_x main_y)), 17593#(or (<= (select main_a main_x) 32) (= main_x main_y)), 17594#(or (<= (select main_a main_x) 33) (= main_x main_y)), 17595#(or (<= (select main_a main_x) 34) (= main_x main_y)), 17596#(or (<= (select main_a main_x) 35) (= main_x main_y)), 17597#(or (<= (select main_a main_x) 36) (= main_x main_y)), 17598#(or (<= (select main_a main_x) 37) (= main_x main_y)), 17599#(or (<= (select main_a main_x) 38) (= main_x main_y)), 17600#(or (<= (select main_a main_x) 39) (= main_x main_y)), 17601#(or (<= (select main_a main_x) 40) (= main_x main_y)), 17602#(or (<= (select main_a main_x) 41) (= main_x main_y)), 17603#(or (<= (select main_a main_x) 42) (= main_x main_y)), 17604#(or (= main_x main_y) (<= (select main_a main_x) 43)), 17605#(or (= main_x main_y) (<= (select main_a main_x) 44)), 17606#(or (= main_x main_y) (<= (select main_a main_x) 45)), 17607#(or (<= (select main_a main_x) 46) (= main_x main_y)), 17608#(or (<= (select main_a main_x) 47) (= main_x main_y)), 17609#(or (<= (select main_a main_x) 48) (= main_x main_y)), 17610#(or (<= (select main_a main_x) 49) (= main_x main_y)), 17611#(or (<= (select main_a main_x) 50) (= main_x main_y)), 17612#(or (<= (select main_a main_x) 51) (= main_x main_y)), 17613#(or (= main_x main_y) (<= (select main_a main_x) 52)), 17614#(or (<= (select main_a main_x) 53) (= main_x main_y)), 17615#(or (<= (select main_a main_x) 54) (= main_x main_y)), 17616#(or (<= (select main_a main_x) 55) (= main_x main_y)), 17617#(or (= main_x main_y) (<= (select main_a main_x) 56)), 17618#(or (<= (select main_a main_x) 57) (= main_x main_y)), 17619#(or (<= (select main_a main_x) 58) (= main_x main_y)), 17620#(or (= main_x main_y) (<= (select main_a main_x) 59)), 17621#(or (= main_x main_y) (<= (select main_a main_x) 60)), 17622#(or (= main_x main_y) (<= (select main_a main_x) 61)), 17623#(or (<= (select main_a main_x) 62) (= main_x main_y)), 17624#(or (<= (select main_a main_x) 63) (= main_x main_y)), 17625#(or (= main_x main_y) (<= (select main_a main_x) 64)), 17626#(or (<= (select main_a main_x) 65) (= main_x main_y)), 17627#(or (= main_x main_y) (<= (select main_a main_x) 66)), 17628#(or (<= (select main_a main_x) 67) (= main_x main_y)), 17629#(or (= main_x main_y) (<= (select main_a main_x) 68)), 17630#(or (= main_x main_y) (<= (select main_a main_x) 69)), 17631#(or (<= (select main_a main_x) 70) (= main_x main_y)), 17632#(or (<= (select main_a main_x) 71) (= main_x main_y)), 17633#(or (= main_x main_y) (<= (select main_a main_x) 72)), 17634#(or (<= (select main_a main_x) 73) (= main_x main_y)), 17635#(or (= main_x main_y) (<= (select main_a main_x) 74)), 17636#(or (= main_x main_y) (<= (select main_a main_x) 75)), 17637#(or (<= (select main_a main_x) 76) (= main_x main_y)), 17638#(or (<= (select main_a main_x) 77) (= main_x main_y)), 17639#(or (<= (select main_a main_x) 78) (= main_x main_y)), 17640#(or (not (= (select main_a main_x) 1000)) (= main_x main_y))] [2018-07-23 13:56:23,200 INFO L134 CoverageAnalysis]: Checked inductivity of 3160 backedges. 0 proven. 3160 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-07-23 13:56:23,201 INFO L450 AbstractCegarLoop]: Interpolant automaton has 82 states [2018-07-23 13:56:23,201 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 82 interpolants. [2018-07-23 13:56:23,202 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=3321, Invalid=3321, Unknown=0, NotChecked=0, Total=6642 [2018-07-23 13:56:23,202 INFO L87 Difference]: Start difference. First operand 83 states and 83 transitions. Second operand 82 states. [2018-07-23 13:56:23,300 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-07-23 13:56:23,300 INFO L93 Difference]: Finished difference Result 86 states and 86 transitions. [2018-07-23 13:56:23,300 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 82 states. [2018-07-23 13:56:23,300 INFO L78 Accepts]: Start accepts. Automaton has 82 states. Word has length 82 [2018-07-23 13:56:23,300 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-07-23 13:56:23,301 INFO L225 Difference]: With dead ends: 86 [2018-07-23 13:56:23,301 INFO L226 Difference]: Without dead ends: 84 [2018-07-23 13:56:23,302 INFO L575 BasicCegarLoop]: 0 DeclaredPredicates, 81 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 80 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=3321, Invalid=3321, Unknown=0, NotChecked=0, Total=6642 [2018-07-23 13:56:23,302 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 84 states. [2018-07-23 13:56:23,312 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 84 to 84. [2018-07-23 13:56:23,313 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 84 states. [2018-07-23 13:56:23,313 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 84 states to 84 states and 84 transitions. [2018-07-23 13:56:23,313 INFO L78 Accepts]: Start accepts. Automaton has 84 states and 84 transitions. Word has length 82 [2018-07-23 13:56:23,313 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-07-23 13:56:23,313 INFO L471 AbstractCegarLoop]: Abstraction has 84 states and 84 transitions. [2018-07-23 13:56:23,314 INFO L472 AbstractCegarLoop]: Interpolant automaton has 82 states. [2018-07-23 13:56:23,314 INFO L276 IsEmpty]: Start isEmpty. Operand 84 states and 84 transitions. [2018-07-23 13:56:23,314 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 84 [2018-07-23 13:56:23,314 INFO L349 BasicCegarLoop]: Found error trace [2018-07-23 13:56:23,314 INFO L357 BasicCegarLoop]: trace histogram [80, 1, 1, 1] [2018-07-23 13:56:23,314 INFO L414 AbstractCegarLoop]: === Iteration 81 === [mainErr0AssertViolationASSERT]=== [2018-07-23 13:56:23,315 INFO L82 PathProgramCache]: Analyzing trace with hash 723579744, now seen corresponding path program 80 times [2018-07-23 13:56:23,315 INFO L69 tionRefinementEngine]: Using refinement strategy FixedRefinementStrategy [2018-07-23 13:56:23,388 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-07-23 13:56:24,029 INFO L134 CoverageAnalysis]: Checked inductivity of 3240 backedges. 0 proven. 3240 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-07-23 13:56:24,029 INFO L309 seRefinementStrategy]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2018-07-23 13:56:24,030 INFO L324 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [82] total 82 [2018-07-23 13:56:24,030 INFO L142 lantAutomatonBuilder]: Constructing canonical interpolant automaton, with selfloop in false state [2018-07-23 13:56:24,030 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-07-23 13:56:24,030 INFO L185 omatonBuilderFactory]: Interpolants [18048#(or (<= (select main_a main_x) 65) (= main_x main_y)), 18049#(or (= main_x main_y) (<= (select main_a main_x) 66)), 18050#(or (<= (select main_a main_x) 67) (= main_x main_y)), 18051#(or (= main_x main_y) (<= (select main_a main_x) 68)), 18052#(or (= main_x main_y) (<= (select main_a main_x) 69)), 18053#(or (<= (select main_a main_x) 70) (= main_x main_y)), 18054#(or (<= (select main_a main_x) 71) (= main_x main_y)), 18055#(or (= main_x main_y) (<= (select main_a main_x) 72)), 18056#(or (<= (select main_a main_x) 73) (= main_x main_y)), 18057#(or (= main_x main_y) (<= (select main_a main_x) 74)), 18058#(or (= main_x main_y) (<= (select main_a main_x) 75)), 18059#(or (<= (select main_a main_x) 76) (= main_x main_y)), 18060#(or (<= (select main_a main_x) 77) (= main_x main_y)), 18061#(or (<= (select main_a main_x) 78) (= main_x main_y)), 18062#(or (<= (select main_a main_x) 79) (= main_x main_y)), 18063#(or (not (= (select main_a main_x) 1000)) (= main_x main_y)), 17981#true, 17982#false, 17983#(or (= 0 (select main_a main_x)) (= main_x main_y)), 17984#(or (<= (select main_a main_x) 1) (= main_x main_y)), 17985#(or (= main_x main_y) (<= (select main_a main_x) 2)), 17986#(or (= main_x main_y) (<= (select main_a main_x) 3)), 17987#(or (<= (select main_a main_x) 4) (= main_x main_y)), 17988#(or (<= (select main_a main_x) 5) (= main_x main_y)), 17989#(or (<= (select main_a main_x) 6) (= main_x main_y)), 17990#(or (<= (select main_a main_x) 7) (= main_x main_y)), 17991#(or (<= (select main_a main_x) 8) (= main_x main_y)), 17992#(or (= main_x main_y) (<= (select main_a main_x) 9)), 17993#(or (= main_x main_y) (<= (select main_a main_x) 10)), 17994#(or (= main_x main_y) (<= (select main_a main_x) 11)), 17995#(or (<= (select main_a main_x) 12) (= main_x main_y)), 17996#(or (= main_x main_y) (<= (select main_a main_x) 13)), 17997#(or (<= (select main_a main_x) 14) (= main_x main_y)), 17998#(or (<= (select main_a main_x) 15) (= main_x main_y)), 17999#(or (<= (select main_a main_x) 16) (= main_x main_y)), 18000#(or (= main_x main_y) (<= (select main_a main_x) 17)), 18001#(or (<= (select main_a main_x) 18) (= main_x main_y)), 18002#(or (<= (select main_a main_x) 19) (= main_x main_y)), 18003#(or (= main_x main_y) (<= (select main_a main_x) 20)), 18004#(or (<= (select main_a main_x) 21) (= main_x main_y)), 18005#(or (= main_x main_y) (<= (select main_a main_x) 22)), 18006#(or (= main_x main_y) (<= (select main_a main_x) 23)), 18007#(or (<= (select main_a main_x) 24) (= main_x main_y)), 18008#(or (= main_x main_y) (<= (select main_a main_x) 25)), 18009#(or (<= (select main_a main_x) 26) (= main_x main_y)), 18010#(or (<= (select main_a main_x) 27) (= main_x main_y)), 18011#(or (<= (select main_a main_x) 28) (= main_x main_y)), 18012#(or (<= (select main_a main_x) 29) (= main_x main_y)), 18013#(or (= main_x main_y) (<= (select main_a main_x) 30)), 18014#(or (<= (select main_a main_x) 31) (= main_x main_y)), 18015#(or (<= (select main_a main_x) 32) (= main_x main_y)), 18016#(or (<= (select main_a main_x) 33) (= main_x main_y)), 18017#(or (<= (select main_a main_x) 34) (= main_x main_y)), 18018#(or (<= (select main_a main_x) 35) (= main_x main_y)), 18019#(or (<= (select main_a main_x) 36) (= main_x main_y)), 18020#(or (<= (select main_a main_x) 37) (= main_x main_y)), 18021#(or (<= (select main_a main_x) 38) (= main_x main_y)), 18022#(or (<= (select main_a main_x) 39) (= main_x main_y)), 18023#(or (<= (select main_a main_x) 40) (= main_x main_y)), 18024#(or (<= (select main_a main_x) 41) (= main_x main_y)), 18025#(or (<= (select main_a main_x) 42) (= main_x main_y)), 18026#(or (= main_x main_y) (<= (select main_a main_x) 43)), 18027#(or (= main_x main_y) (<= (select main_a main_x) 44)), 18028#(or (= main_x main_y) (<= (select main_a main_x) 45)), 18029#(or (<= (select main_a main_x) 46) (= main_x main_y)), 18030#(or (<= (select main_a main_x) 47) (= main_x main_y)), 18031#(or (<= (select main_a main_x) 48) (= main_x main_y)), 18032#(or (<= (select main_a main_x) 49) (= main_x main_y)), 18033#(or (<= (select main_a main_x) 50) (= main_x main_y)), 18034#(or (<= (select main_a main_x) 51) (= main_x main_y)), 18035#(or (= main_x main_y) (<= (select main_a main_x) 52)), 18036#(or (<= (select main_a main_x) 53) (= main_x main_y)), 18037#(or (<= (select main_a main_x) 54) (= main_x main_y)), 18038#(or (<= (select main_a main_x) 55) (= main_x main_y)), 18039#(or (= main_x main_y) (<= (select main_a main_x) 56)), 18040#(or (<= (select main_a main_x) 57) (= main_x main_y)), 18041#(or (<= (select main_a main_x) 58) (= main_x main_y)), 18042#(or (= main_x main_y) (<= (select main_a main_x) 59)), 18043#(or (= main_x main_y) (<= (select main_a main_x) 60)), 18044#(or (= main_x main_y) (<= (select main_a main_x) 61)), 18045#(or (<= (select main_a main_x) 62) (= main_x main_y)), 18046#(or (<= (select main_a main_x) 63) (= main_x main_y)), 18047#(or (= main_x main_y) (<= (select main_a main_x) 64))] [2018-07-23 13:56:24,031 INFO L134 CoverageAnalysis]: Checked inductivity of 3240 backedges. 0 proven. 3240 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-07-23 13:56:24,031 INFO L450 AbstractCegarLoop]: Interpolant automaton has 83 states [2018-07-23 13:56:24,032 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 83 interpolants. [2018-07-23 13:56:24,032 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=3403, Invalid=3403, Unknown=0, NotChecked=0, Total=6806 [2018-07-23 13:56:24,033 INFO L87 Difference]: Start difference. First operand 84 states and 84 transitions. Second operand 83 states. [2018-07-23 13:56:24,113 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-07-23 13:56:24,116 INFO L93 Difference]: Finished difference Result 87 states and 87 transitions. [2018-07-23 13:56:24,117 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 83 states. [2018-07-23 13:56:24,118 INFO L78 Accepts]: Start accepts. Automaton has 83 states. Word has length 83 [2018-07-23 13:56:24,118 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-07-23 13:56:24,118 INFO L225 Difference]: With dead ends: 87 [2018-07-23 13:56:24,119 INFO L226 Difference]: Without dead ends: 85 [2018-07-23 13:56:24,119 INFO L575 BasicCegarLoop]: 0 DeclaredPredicates, 82 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 81 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.5s TimeCoverageRelationStatistics Valid=3403, Invalid=3403, Unknown=0, NotChecked=0, Total=6806 [2018-07-23 13:56:24,120 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 85 states. [2018-07-23 13:56:24,128 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 85 to 85. [2018-07-23 13:56:24,128 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 85 states. [2018-07-23 13:56:24,128 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 85 states to 85 states and 85 transitions. [2018-07-23 13:56:24,128 INFO L78 Accepts]: Start accepts. Automaton has 85 states and 85 transitions. Word has length 83 [2018-07-23 13:56:24,129 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-07-23 13:56:24,129 INFO L471 AbstractCegarLoop]: Abstraction has 85 states and 85 transitions. [2018-07-23 13:56:24,129 INFO L472 AbstractCegarLoop]: Interpolant automaton has 83 states. [2018-07-23 13:56:24,129 INFO L276 IsEmpty]: Start isEmpty. Operand 85 states and 85 transitions. [2018-07-23 13:56:24,129 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 85 [2018-07-23 13:56:24,129 INFO L349 BasicCegarLoop]: Found error trace [2018-07-23 13:56:24,130 INFO L357 BasicCegarLoop]: trace histogram [81, 1, 1, 1] [2018-07-23 13:56:24,130 INFO L414 AbstractCegarLoop]: === Iteration 82 === [mainErr0AssertViolationASSERT]=== [2018-07-23 13:56:24,130 INFO L82 PathProgramCache]: Analyzing trace with hash 956131718, now seen corresponding path program 81 times [2018-07-23 13:56:24,130 INFO L69 tionRefinementEngine]: Using refinement strategy FixedRefinementStrategy [2018-07-23 13:56:24,219 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-07-23 13:56:24,894 INFO L134 CoverageAnalysis]: Checked inductivity of 3321 backedges. 0 proven. 3321 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-07-23 13:56:24,894 INFO L309 seRefinementStrategy]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2018-07-23 13:56:24,894 INFO L324 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [83] total 83 [2018-07-23 13:56:24,895 INFO L142 lantAutomatonBuilder]: Constructing canonical interpolant automaton, with selfloop in false state [2018-07-23 13:56:24,895 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-07-23 13:56:24,895 INFO L185 omatonBuilderFactory]: Interpolants [18432#(or (= main_x main_y) (<= (select main_a main_x) 22)), 18433#(or (= main_x main_y) (<= (select main_a main_x) 23)), 18434#(or (<= (select main_a main_x) 24) (= main_x main_y)), 18435#(or (= main_x main_y) (<= (select main_a main_x) 25)), 18436#(or (<= (select main_a main_x) 26) (= main_x main_y)), 18437#(or (<= (select main_a main_x) 27) (= main_x main_y)), 18438#(or (<= (select main_a main_x) 28) (= main_x main_y)), 18439#(or (<= (select main_a main_x) 29) (= main_x main_y)), 18440#(or (= main_x main_y) (<= (select main_a main_x) 30)), 18441#(or (<= (select main_a main_x) 31) (= main_x main_y)), 18442#(or (<= (select main_a main_x) 32) (= main_x main_y)), 18443#(or (<= (select main_a main_x) 33) (= main_x main_y)), 18444#(or (<= (select main_a main_x) 34) (= main_x main_y)), 18445#(or (<= (select main_a main_x) 35) (= main_x main_y)), 18446#(or (<= (select main_a main_x) 36) (= main_x main_y)), 18447#(or (<= (select main_a main_x) 37) (= main_x main_y)), 18448#(or (<= (select main_a main_x) 38) (= main_x main_y)), 18449#(or (<= (select main_a main_x) 39) (= main_x main_y)), 18450#(or (<= (select main_a main_x) 40) (= main_x main_y)), 18451#(or (<= (select main_a main_x) 41) (= main_x main_y)), 18452#(or (<= (select main_a main_x) 42) (= main_x main_y)), 18453#(or (= main_x main_y) (<= (select main_a main_x) 43)), 18454#(or (= main_x main_y) (<= (select main_a main_x) 44)), 18455#(or (= main_x main_y) (<= (select main_a main_x) 45)), 18456#(or (<= (select main_a main_x) 46) (= main_x main_y)), 18457#(or (<= (select main_a main_x) 47) (= main_x main_y)), 18458#(or (<= (select main_a main_x) 48) (= main_x main_y)), 18459#(or (<= (select main_a main_x) 49) (= main_x main_y)), 18460#(or (<= (select main_a main_x) 50) (= main_x main_y)), 18461#(or (<= (select main_a main_x) 51) (= main_x main_y)), 18462#(or (= main_x main_y) (<= (select main_a main_x) 52)), 18463#(or (<= (select main_a main_x) 53) (= main_x main_y)), 18464#(or (<= (select main_a main_x) 54) (= main_x main_y)), 18465#(or (<= (select main_a main_x) 55) (= main_x main_y)), 18466#(or (= main_x main_y) (<= (select main_a main_x) 56)), 18467#(or (<= (select main_a main_x) 57) (= main_x main_y)), 18468#(or (<= (select main_a main_x) 58) (= main_x main_y)), 18469#(or (= main_x main_y) (<= (select main_a main_x) 59)), 18470#(or (= main_x main_y) (<= (select main_a main_x) 60)), 18471#(or (= main_x main_y) (<= (select main_a main_x) 61)), 18472#(or (<= (select main_a main_x) 62) (= main_x main_y)), 18473#(or (<= (select main_a main_x) 63) (= main_x main_y)), 18474#(or (= main_x main_y) (<= (select main_a main_x) 64)), 18475#(or (<= (select main_a main_x) 65) (= main_x main_y)), 18476#(or (= main_x main_y) (<= (select main_a main_x) 66)), 18477#(or (<= (select main_a main_x) 67) (= main_x main_y)), 18478#(or (= main_x main_y) (<= (select main_a main_x) 68)), 18479#(or (= main_x main_y) (<= (select main_a main_x) 69)), 18480#(or (<= (select main_a main_x) 70) (= main_x main_y)), 18481#(or (<= (select main_a main_x) 71) (= main_x main_y)), 18482#(or (= main_x main_y) (<= (select main_a main_x) 72)), 18483#(or (<= (select main_a main_x) 73) (= main_x main_y)), 18484#(or (= main_x main_y) (<= (select main_a main_x) 74)), 18485#(or (= main_x main_y) (<= (select main_a main_x) 75)), 18486#(or (<= (select main_a main_x) 76) (= main_x main_y)), 18487#(or (<= (select main_a main_x) 77) (= main_x main_y)), 18488#(or (<= (select main_a main_x) 78) (= main_x main_y)), 18489#(or (<= (select main_a main_x) 79) (= main_x main_y)), 18490#(or (<= (select main_a main_x) 80) (= main_x main_y)), 18491#(or (not (= (select main_a main_x) 1000)) (= main_x main_y)), 18408#true, 18409#false, 18410#(or (= 0 (select main_a main_x)) (= main_x main_y)), 18411#(or (<= (select main_a main_x) 1) (= main_x main_y)), 18412#(or (= main_x main_y) (<= (select main_a main_x) 2)), 18413#(or (= main_x main_y) (<= (select main_a main_x) 3)), 18414#(or (<= (select main_a main_x) 4) (= main_x main_y)), 18415#(or (<= (select main_a main_x) 5) (= main_x main_y)), 18416#(or (<= (select main_a main_x) 6) (= main_x main_y)), 18417#(or (<= (select main_a main_x) 7) (= main_x main_y)), 18418#(or (<= (select main_a main_x) 8) (= main_x main_y)), 18419#(or (= main_x main_y) (<= (select main_a main_x) 9)), 18420#(or (= main_x main_y) (<= (select main_a main_x) 10)), 18421#(or (= main_x main_y) (<= (select main_a main_x) 11)), 18422#(or (<= (select main_a main_x) 12) (= main_x main_y)), 18423#(or (= main_x main_y) (<= (select main_a main_x) 13)), 18424#(or (<= (select main_a main_x) 14) (= main_x main_y)), 18425#(or (<= (select main_a main_x) 15) (= main_x main_y)), 18426#(or (<= (select main_a main_x) 16) (= main_x main_y)), 18427#(or (= main_x main_y) (<= (select main_a main_x) 17)), 18428#(or (<= (select main_a main_x) 18) (= main_x main_y)), 18429#(or (<= (select main_a main_x) 19) (= main_x main_y)), 18430#(or (= main_x main_y) (<= (select main_a main_x) 20)), 18431#(or (<= (select main_a main_x) 21) (= main_x main_y))] [2018-07-23 13:56:24,896 INFO L134 CoverageAnalysis]: Checked inductivity of 3321 backedges. 0 proven. 3321 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-07-23 13:56:24,896 INFO L450 AbstractCegarLoop]: Interpolant automaton has 84 states [2018-07-23 13:56:24,897 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 84 interpolants. [2018-07-23 13:56:24,897 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=3486, Invalid=3486, Unknown=0, NotChecked=0, Total=6972 [2018-07-23 13:56:24,897 INFO L87 Difference]: Start difference. First operand 85 states and 85 transitions. Second operand 84 states. [2018-07-23 13:56:24,986 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-07-23 13:56:24,987 INFO L93 Difference]: Finished difference Result 88 states and 88 transitions. [2018-07-23 13:56:24,987 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 84 states. [2018-07-23 13:56:24,987 INFO L78 Accepts]: Start accepts. Automaton has 84 states. Word has length 84 [2018-07-23 13:56:24,987 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-07-23 13:56:24,988 INFO L225 Difference]: With dead ends: 88 [2018-07-23 13:56:24,988 INFO L226 Difference]: Without dead ends: 86 [2018-07-23 13:56:24,989 INFO L575 BasicCegarLoop]: 0 DeclaredPredicates, 83 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 82 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.5s TimeCoverageRelationStatistics Valid=3486, Invalid=3486, Unknown=0, NotChecked=0, Total=6972 [2018-07-23 13:56:24,989 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 86 states. [2018-07-23 13:56:24,997 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 86 to 86. [2018-07-23 13:56:24,997 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 86 states. [2018-07-23 13:56:24,997 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 86 states to 86 states and 86 transitions. [2018-07-23 13:56:24,998 INFO L78 Accepts]: Start accepts. Automaton has 86 states and 86 transitions. Word has length 84 [2018-07-23 13:56:24,998 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-07-23 13:56:24,998 INFO L471 AbstractCegarLoop]: Abstraction has 86 states and 86 transitions. [2018-07-23 13:56:24,998 INFO L472 AbstractCegarLoop]: Interpolant automaton has 84 states. [2018-07-23 13:56:24,998 INFO L276 IsEmpty]: Start isEmpty. Operand 86 states and 86 transitions. [2018-07-23 13:56:24,999 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 86 [2018-07-23 13:56:24,999 INFO L349 BasicCegarLoop]: Found error trace [2018-07-23 13:56:24,999 INFO L357 BasicCegarLoop]: trace histogram [82, 1, 1, 1] [2018-07-23 13:56:24,999 INFO L414 AbstractCegarLoop]: === Iteration 83 === [mainErr0AssertViolationASSERT]=== [2018-07-23 13:56:24,999 INFO L82 PathProgramCache]: Analyzing trace with hash -424691680, now seen corresponding path program 82 times [2018-07-23 13:56:24,999 INFO L69 tionRefinementEngine]: Using refinement strategy FixedRefinementStrategy [2018-07-23 13:56:25,088 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-07-23 13:56:25,822 INFO L134 CoverageAnalysis]: Checked inductivity of 3403 backedges. 0 proven. 3403 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-07-23 13:56:25,822 INFO L309 seRefinementStrategy]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2018-07-23 13:56:25,823 INFO L324 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [84] total 84 [2018-07-23 13:56:25,823 INFO L142 lantAutomatonBuilder]: Constructing canonical interpolant automaton, with selfloop in false state [2018-07-23 13:56:25,823 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-07-23 13:56:25,824 INFO L185 omatonBuilderFactory]: Interpolants [18840#true, 18841#false, 18842#(or (= 0 (select main_a main_x)) (= main_x main_y)), 18843#(or (<= (select main_a main_x) 1) (= main_x main_y)), 18844#(or (= main_x main_y) (<= (select main_a main_x) 2)), 18845#(or (= main_x main_y) (<= (select main_a main_x) 3)), 18846#(or (<= (select main_a main_x) 4) (= main_x main_y)), 18847#(or (<= (select main_a main_x) 5) (= main_x main_y)), 18848#(or (<= (select main_a main_x) 6) (= main_x main_y)), 18849#(or (<= (select main_a main_x) 7) (= main_x main_y)), 18850#(or (<= (select main_a main_x) 8) (= main_x main_y)), 18851#(or (= main_x main_y) (<= (select main_a main_x) 9)), 18852#(or (= main_x main_y) (<= (select main_a main_x) 10)), 18853#(or (= main_x main_y) (<= (select main_a main_x) 11)), 18854#(or (<= (select main_a main_x) 12) (= main_x main_y)), 18855#(or (= main_x main_y) (<= (select main_a main_x) 13)), 18856#(or (<= (select main_a main_x) 14) (= main_x main_y)), 18857#(or (<= (select main_a main_x) 15) (= main_x main_y)), 18858#(or (<= (select main_a main_x) 16) (= main_x main_y)), 18859#(or (= main_x main_y) (<= (select main_a main_x) 17)), 18860#(or (<= (select main_a main_x) 18) (= main_x main_y)), 18861#(or (<= (select main_a main_x) 19) (= main_x main_y)), 18862#(or (= main_x main_y) (<= (select main_a main_x) 20)), 18863#(or (<= (select main_a main_x) 21) (= main_x main_y)), 18864#(or (= main_x main_y) (<= (select main_a main_x) 22)), 18865#(or (= main_x main_y) (<= (select main_a main_x) 23)), 18866#(or (<= (select main_a main_x) 24) (= main_x main_y)), 18867#(or (= main_x main_y) (<= (select main_a main_x) 25)), 18868#(or (<= (select main_a main_x) 26) (= main_x main_y)), 18869#(or (<= (select main_a main_x) 27) (= main_x main_y)), 18870#(or (<= (select main_a main_x) 28) (= main_x main_y)), 18871#(or (<= (select main_a main_x) 29) (= main_x main_y)), 18872#(or (= main_x main_y) (<= (select main_a main_x) 30)), 18873#(or (<= (select main_a main_x) 31) (= main_x main_y)), 18874#(or (<= (select main_a main_x) 32) (= main_x main_y)), 18875#(or (<= (select main_a main_x) 33) (= main_x main_y)), 18876#(or (<= (select main_a main_x) 34) (= main_x main_y)), 18877#(or (<= (select main_a main_x) 35) (= main_x main_y)), 18878#(or (<= (select main_a main_x) 36) (= main_x main_y)), 18879#(or (<= (select main_a main_x) 37) (= main_x main_y)), 18880#(or (<= (select main_a main_x) 38) (= main_x main_y)), 18881#(or (<= (select main_a main_x) 39) (= main_x main_y)), 18882#(or (<= (select main_a main_x) 40) (= main_x main_y)), 18883#(or (<= (select main_a main_x) 41) (= main_x main_y)), 18884#(or (<= (select main_a main_x) 42) (= main_x main_y)), 18885#(or (= main_x main_y) (<= (select main_a main_x) 43)), 18886#(or (= main_x main_y) (<= (select main_a main_x) 44)), 18887#(or (= main_x main_y) (<= (select main_a main_x) 45)), 18888#(or (<= (select main_a main_x) 46) (= main_x main_y)), 18889#(or (<= (select main_a main_x) 47) (= main_x main_y)), 18890#(or (<= (select main_a main_x) 48) (= main_x main_y)), 18891#(or (<= (select main_a main_x) 49) (= main_x main_y)), 18892#(or (<= (select main_a main_x) 50) (= main_x main_y)), 18893#(or (<= (select main_a main_x) 51) (= main_x main_y)), 18894#(or (= main_x main_y) (<= (select main_a main_x) 52)), 18895#(or (<= (select main_a main_x) 53) (= main_x main_y)), 18896#(or (<= (select main_a main_x) 54) (= main_x main_y)), 18897#(or (<= (select main_a main_x) 55) (= main_x main_y)), 18898#(or (= main_x main_y) (<= (select main_a main_x) 56)), 18899#(or (<= (select main_a main_x) 57) (= main_x main_y)), 18900#(or (<= (select main_a main_x) 58) (= main_x main_y)), 18901#(or (= main_x main_y) (<= (select main_a main_x) 59)), 18902#(or (= main_x main_y) (<= (select main_a main_x) 60)), 18903#(or (= main_x main_y) (<= (select main_a main_x) 61)), 18904#(or (<= (select main_a main_x) 62) (= main_x main_y)), 18905#(or (<= (select main_a main_x) 63) (= main_x main_y)), 18906#(or (= main_x main_y) (<= (select main_a main_x) 64)), 18907#(or (<= (select main_a main_x) 65) (= main_x main_y)), 18908#(or (= main_x main_y) (<= (select main_a main_x) 66)), 18909#(or (<= (select main_a main_x) 67) (= main_x main_y)), 18910#(or (= main_x main_y) (<= (select main_a main_x) 68)), 18911#(or (= main_x main_y) (<= (select main_a main_x) 69)), 18912#(or (<= (select main_a main_x) 70) (= main_x main_y)), 18913#(or (<= (select main_a main_x) 71) (= main_x main_y)), 18914#(or (= main_x main_y) (<= (select main_a main_x) 72)), 18915#(or (<= (select main_a main_x) 73) (= main_x main_y)), 18916#(or (= main_x main_y) (<= (select main_a main_x) 74)), 18917#(or (= main_x main_y) (<= (select main_a main_x) 75)), 18918#(or (<= (select main_a main_x) 76) (= main_x main_y)), 18919#(or (<= (select main_a main_x) 77) (= main_x main_y)), 18920#(or (<= (select main_a main_x) 78) (= main_x main_y)), 18921#(or (<= (select main_a main_x) 79) (= main_x main_y)), 18922#(or (<= (select main_a main_x) 80) (= main_x main_y)), 18923#(or (<= (select main_a main_x) 81) (= main_x main_y)), 18924#(or (not (= (select main_a main_x) 1000)) (= main_x main_y))] [2018-07-23 13:56:25,824 INFO L134 CoverageAnalysis]: Checked inductivity of 3403 backedges. 0 proven. 3403 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-07-23 13:56:25,824 INFO L450 AbstractCegarLoop]: Interpolant automaton has 85 states [2018-07-23 13:56:25,825 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 85 interpolants. [2018-07-23 13:56:25,825 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=3570, Invalid=3570, Unknown=0, NotChecked=0, Total=7140 [2018-07-23 13:56:25,825 INFO L87 Difference]: Start difference. First operand 86 states and 86 transitions. Second operand 85 states. [2018-07-23 13:56:25,920 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-07-23 13:56:25,921 INFO L93 Difference]: Finished difference Result 89 states and 89 transitions. [2018-07-23 13:56:25,921 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 85 states. [2018-07-23 13:56:25,921 INFO L78 Accepts]: Start accepts. Automaton has 85 states. Word has length 85 [2018-07-23 13:56:25,921 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-07-23 13:56:25,921 INFO L225 Difference]: With dead ends: 89 [2018-07-23 13:56:25,922 INFO L226 Difference]: Without dead ends: 87 [2018-07-23 13:56:25,922 INFO L575 BasicCegarLoop]: 0 DeclaredPredicates, 84 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 83 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.6s TimeCoverageRelationStatistics Valid=3570, Invalid=3570, Unknown=0, NotChecked=0, Total=7140 [2018-07-23 13:56:25,922 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 87 states. [2018-07-23 13:56:25,927 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 87 to 87. [2018-07-23 13:56:25,928 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 87 states. [2018-07-23 13:56:25,928 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 87 states to 87 states and 87 transitions. [2018-07-23 13:56:25,928 INFO L78 Accepts]: Start accepts. Automaton has 87 states and 87 transitions. Word has length 85 [2018-07-23 13:56:25,928 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-07-23 13:56:25,928 INFO L471 AbstractCegarLoop]: Abstraction has 87 states and 87 transitions. [2018-07-23 13:56:25,928 INFO L472 AbstractCegarLoop]: Interpolant automaton has 85 states. [2018-07-23 13:56:25,929 INFO L276 IsEmpty]: Start isEmpty. Operand 87 states and 87 transitions. [2018-07-23 13:56:25,929 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 87 [2018-07-23 13:56:25,929 INFO L349 BasicCegarLoop]: Found error trace [2018-07-23 13:56:25,929 INFO L357 BasicCegarLoop]: trace histogram [83, 1, 1, 1] [2018-07-23 13:56:25,929 INFO L414 AbstractCegarLoop]: === Iteration 84 === [mainErr0AssertViolationASSERT]=== [2018-07-23 13:56:25,929 INFO L82 PathProgramCache]: Analyzing trace with hash -280544058, now seen corresponding path program 83 times [2018-07-23 13:56:25,929 INFO L69 tionRefinementEngine]: Using refinement strategy FixedRefinementStrategy [2018-07-23 13:56:25,989 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-07-23 13:56:26,452 INFO L134 CoverageAnalysis]: Checked inductivity of 3486 backedges. 0 proven. 3486 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-07-23 13:56:26,452 INFO L309 seRefinementStrategy]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2018-07-23 13:56:26,452 INFO L324 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [85] total 85 [2018-07-23 13:56:26,452 INFO L142 lantAutomatonBuilder]: Constructing canonical interpolant automaton, with selfloop in false state [2018-07-23 13:56:26,453 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-07-23 13:56:26,453 INFO L185 omatonBuilderFactory]: Interpolants [19328#(or (<= (select main_a main_x) 49) (= main_x main_y)), 19329#(or (<= (select main_a main_x) 50) (= main_x main_y)), 19330#(or (<= (select main_a main_x) 51) (= main_x main_y)), 19331#(or (= main_x main_y) (<= (select main_a main_x) 52)), 19332#(or (<= (select main_a main_x) 53) (= main_x main_y)), 19333#(or (<= (select main_a main_x) 54) (= main_x main_y)), 19334#(or (<= (select main_a main_x) 55) (= main_x main_y)), 19335#(or (= main_x main_y) (<= (select main_a main_x) 56)), 19336#(or (<= (select main_a main_x) 57) (= main_x main_y)), 19337#(or (<= (select main_a main_x) 58) (= main_x main_y)), 19338#(or (= main_x main_y) (<= (select main_a main_x) 59)), 19339#(or (= main_x main_y) (<= (select main_a main_x) 60)), 19340#(or (= main_x main_y) (<= (select main_a main_x) 61)), 19341#(or (<= (select main_a main_x) 62) (= main_x main_y)), 19342#(or (<= (select main_a main_x) 63) (= main_x main_y)), 19343#(or (= main_x main_y) (<= (select main_a main_x) 64)), 19344#(or (<= (select main_a main_x) 65) (= main_x main_y)), 19345#(or (= main_x main_y) (<= (select main_a main_x) 66)), 19346#(or (<= (select main_a main_x) 67) (= main_x main_y)), 19347#(or (= main_x main_y) (<= (select main_a main_x) 68)), 19348#(or (= main_x main_y) (<= (select main_a main_x) 69)), 19349#(or (<= (select main_a main_x) 70) (= main_x main_y)), 19350#(or (<= (select main_a main_x) 71) (= main_x main_y)), 19351#(or (= main_x main_y) (<= (select main_a main_x) 72)), 19352#(or (<= (select main_a main_x) 73) (= main_x main_y)), 19353#(or (= main_x main_y) (<= (select main_a main_x) 74)), 19354#(or (= main_x main_y) (<= (select main_a main_x) 75)), 19355#(or (<= (select main_a main_x) 76) (= main_x main_y)), 19356#(or (<= (select main_a main_x) 77) (= main_x main_y)), 19357#(or (<= (select main_a main_x) 78) (= main_x main_y)), 19358#(or (<= (select main_a main_x) 79) (= main_x main_y)), 19359#(or (<= (select main_a main_x) 80) (= main_x main_y)), 19360#(or (<= (select main_a main_x) 81) (= main_x main_y)), 19361#(or (<= (select main_a main_x) 82) (= main_x main_y)), 19362#(or (not (= (select main_a main_x) 1000)) (= main_x main_y)), 19277#true, 19278#false, 19279#(or (= 0 (select main_a main_x)) (= main_x main_y)), 19280#(or (<= (select main_a main_x) 1) (= main_x main_y)), 19281#(or (= main_x main_y) (<= (select main_a main_x) 2)), 19282#(or (= main_x main_y) (<= (select main_a main_x) 3)), 19283#(or (<= (select main_a main_x) 4) (= main_x main_y)), 19284#(or (<= (select main_a main_x) 5) (= main_x main_y)), 19285#(or (<= (select main_a main_x) 6) (= main_x main_y)), 19286#(or (<= (select main_a main_x) 7) (= main_x main_y)), 19287#(or (<= (select main_a main_x) 8) (= main_x main_y)), 19288#(or (= main_x main_y) (<= (select main_a main_x) 9)), 19289#(or (= main_x main_y) (<= (select main_a main_x) 10)), 19290#(or (= main_x main_y) (<= (select main_a main_x) 11)), 19291#(or (<= (select main_a main_x) 12) (= main_x main_y)), 19292#(or (= main_x main_y) (<= (select main_a main_x) 13)), 19293#(or (<= (select main_a main_x) 14) (= main_x main_y)), 19294#(or (<= (select main_a main_x) 15) (= main_x main_y)), 19295#(or (<= (select main_a main_x) 16) (= main_x main_y)), 19296#(or (= main_x main_y) (<= (select main_a main_x) 17)), 19297#(or (<= (select main_a main_x) 18) (= main_x main_y)), 19298#(or (<= (select main_a main_x) 19) (= main_x main_y)), 19299#(or (= main_x main_y) (<= (select main_a main_x) 20)), 19300#(or (<= (select main_a main_x) 21) (= main_x main_y)), 19301#(or (= main_x main_y) (<= (select main_a main_x) 22)), 19302#(or (= main_x main_y) (<= (select main_a main_x) 23)), 19303#(or (<= (select main_a main_x) 24) (= main_x main_y)), 19304#(or (= main_x main_y) (<= (select main_a main_x) 25)), 19305#(or (<= (select main_a main_x) 26) (= main_x main_y)), 19306#(or (<= (select main_a main_x) 27) (= main_x main_y)), 19307#(or (<= (select main_a main_x) 28) (= main_x main_y)), 19308#(or (<= (select main_a main_x) 29) (= main_x main_y)), 19309#(or (= main_x main_y) (<= (select main_a main_x) 30)), 19310#(or (<= (select main_a main_x) 31) (= main_x main_y)), 19311#(or (<= (select main_a main_x) 32) (= main_x main_y)), 19312#(or (<= (select main_a main_x) 33) (= main_x main_y)), 19313#(or (<= (select main_a main_x) 34) (= main_x main_y)), 19314#(or (<= (select main_a main_x) 35) (= main_x main_y)), 19315#(or (<= (select main_a main_x) 36) (= main_x main_y)), 19316#(or (<= (select main_a main_x) 37) (= main_x main_y)), 19317#(or (<= (select main_a main_x) 38) (= main_x main_y)), 19318#(or (<= (select main_a main_x) 39) (= main_x main_y)), 19319#(or (<= (select main_a main_x) 40) (= main_x main_y)), 19320#(or (<= (select main_a main_x) 41) (= main_x main_y)), 19321#(or (<= (select main_a main_x) 42) (= main_x main_y)), 19322#(or (= main_x main_y) (<= (select main_a main_x) 43)), 19323#(or (= main_x main_y) (<= (select main_a main_x) 44)), 19324#(or (= main_x main_y) (<= (select main_a main_x) 45)), 19325#(or (<= (select main_a main_x) 46) (= main_x main_y)), 19326#(or (<= (select main_a main_x) 47) (= main_x main_y)), 19327#(or (<= (select main_a main_x) 48) (= main_x main_y))] [2018-07-23 13:56:26,453 INFO L134 CoverageAnalysis]: Checked inductivity of 3486 backedges. 0 proven. 3486 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-07-23 13:56:26,453 INFO L450 AbstractCegarLoop]: Interpolant automaton has 86 states [2018-07-23 13:56:26,454 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 86 interpolants. [2018-07-23 13:56:26,455 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=3655, Invalid=3655, Unknown=0, NotChecked=0, Total=7310 [2018-07-23 13:56:26,455 INFO L87 Difference]: Start difference. First operand 87 states and 87 transitions. Second operand 86 states. [2018-07-23 13:56:26,507 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-07-23 13:56:26,507 INFO L93 Difference]: Finished difference Result 90 states and 90 transitions. [2018-07-23 13:56:26,507 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 86 states. [2018-07-23 13:56:26,507 INFO L78 Accepts]: Start accepts. Automaton has 86 states. Word has length 86 [2018-07-23 13:56:26,508 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-07-23 13:56:26,508 INFO L225 Difference]: With dead ends: 90 [2018-07-23 13:56:26,508 INFO L226 Difference]: Without dead ends: 88 [2018-07-23 13:56:26,509 INFO L575 BasicCegarLoop]: 0 DeclaredPredicates, 85 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 84 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=3655, Invalid=3655, Unknown=0, NotChecked=0, Total=7310 [2018-07-23 13:56:26,509 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 88 states. [2018-07-23 13:56:26,516 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 88 to 88. [2018-07-23 13:56:26,516 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 88 states. [2018-07-23 13:56:26,517 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 88 states to 88 states and 88 transitions. [2018-07-23 13:56:26,517 INFO L78 Accepts]: Start accepts. Automaton has 88 states and 88 transitions. Word has length 86 [2018-07-23 13:56:26,517 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-07-23 13:56:26,517 INFO L471 AbstractCegarLoop]: Abstraction has 88 states and 88 transitions. [2018-07-23 13:56:26,517 INFO L472 AbstractCegarLoop]: Interpolant automaton has 86 states. [2018-07-23 13:56:26,517 INFO L276 IsEmpty]: Start isEmpty. Operand 88 states and 88 transitions. [2018-07-23 13:56:26,518 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 88 [2018-07-23 13:56:26,518 INFO L349 BasicCegarLoop]: Found error trace [2018-07-23 13:56:26,518 INFO L357 BasicCegarLoop]: trace histogram [84, 1, 1, 1] [2018-07-23 13:56:26,518 INFO L414 AbstractCegarLoop]: === Iteration 85 === [mainErr0AssertViolationASSERT]=== [2018-07-23 13:56:26,518 INFO L82 PathProgramCache]: Analyzing trace with hash -106935072, now seen corresponding path program 84 times [2018-07-23 13:56:26,518 INFO L69 tionRefinementEngine]: Using refinement strategy FixedRefinementStrategy [2018-07-23 13:56:26,600 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-07-23 13:56:27,289 INFO L134 CoverageAnalysis]: Checked inductivity of 3570 backedges. 0 proven. 3570 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-07-23 13:56:27,289 INFO L309 seRefinementStrategy]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2018-07-23 13:56:27,289 INFO L324 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [86] total 86 [2018-07-23 13:56:27,289 INFO L142 lantAutomatonBuilder]: Constructing canonical interpolant automaton, with selfloop in false state [2018-07-23 13:56:27,290 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-07-23 13:56:27,290 INFO L185 omatonBuilderFactory]: Interpolants [19719#true, 19720#false, 19721#(or (= 0 (select main_a main_x)) (= main_x main_y)), 19722#(or (<= (select main_a main_x) 1) (= main_x main_y)), 19723#(or (= main_x main_y) (<= (select main_a main_x) 2)), 19724#(or (= main_x main_y) (<= (select main_a main_x) 3)), 19725#(or (<= (select main_a main_x) 4) (= main_x main_y)), 19726#(or (<= (select main_a main_x) 5) (= main_x main_y)), 19727#(or (<= (select main_a main_x) 6) (= main_x main_y)), 19728#(or (<= (select main_a main_x) 7) (= main_x main_y)), 19729#(or (<= (select main_a main_x) 8) (= main_x main_y)), 19730#(or (= main_x main_y) (<= (select main_a main_x) 9)), 19731#(or (= main_x main_y) (<= (select main_a main_x) 10)), 19732#(or (= main_x main_y) (<= (select main_a main_x) 11)), 19733#(or (<= (select main_a main_x) 12) (= main_x main_y)), 19734#(or (= main_x main_y) (<= (select main_a main_x) 13)), 19735#(or (<= (select main_a main_x) 14) (= main_x main_y)), 19736#(or (<= (select main_a main_x) 15) (= main_x main_y)), 19737#(or (<= (select main_a main_x) 16) (= main_x main_y)), 19738#(or (= main_x main_y) (<= (select main_a main_x) 17)), 19739#(or (<= (select main_a main_x) 18) (= main_x main_y)), 19740#(or (<= (select main_a main_x) 19) (= main_x main_y)), 19741#(or (= main_x main_y) (<= (select main_a main_x) 20)), 19742#(or (<= (select main_a main_x) 21) (= main_x main_y)), 19743#(or (= main_x main_y) (<= (select main_a main_x) 22)), 19744#(or (= main_x main_y) (<= (select main_a main_x) 23)), 19745#(or (<= (select main_a main_x) 24) (= main_x main_y)), 19746#(or (= main_x main_y) (<= (select main_a main_x) 25)), 19747#(or (<= (select main_a main_x) 26) (= main_x main_y)), 19748#(or (<= (select main_a main_x) 27) (= main_x main_y)), 19749#(or (<= (select main_a main_x) 28) (= main_x main_y)), 19750#(or (<= (select main_a main_x) 29) (= main_x main_y)), 19751#(or (= main_x main_y) (<= (select main_a main_x) 30)), 19752#(or (<= (select main_a main_x) 31) (= main_x main_y)), 19753#(or (<= (select main_a main_x) 32) (= main_x main_y)), 19754#(or (<= (select main_a main_x) 33) (= main_x main_y)), 19755#(or (<= (select main_a main_x) 34) (= main_x main_y)), 19756#(or (<= (select main_a main_x) 35) (= main_x main_y)), 19757#(or (<= (select main_a main_x) 36) (= main_x main_y)), 19758#(or (<= (select main_a main_x) 37) (= main_x main_y)), 19759#(or (<= (select main_a main_x) 38) (= main_x main_y)), 19760#(or (<= (select main_a main_x) 39) (= main_x main_y)), 19761#(or (<= (select main_a main_x) 40) (= main_x main_y)), 19762#(or (<= (select main_a main_x) 41) (= main_x main_y)), 19763#(or (<= (select main_a main_x) 42) (= main_x main_y)), 19764#(or (= main_x main_y) (<= (select main_a main_x) 43)), 19765#(or (= main_x main_y) (<= (select main_a main_x) 44)), 19766#(or (= main_x main_y) (<= (select main_a main_x) 45)), 19767#(or (<= (select main_a main_x) 46) (= main_x main_y)), 19768#(or (<= (select main_a main_x) 47) (= main_x main_y)), 19769#(or (<= (select main_a main_x) 48) (= main_x main_y)), 19770#(or (<= (select main_a main_x) 49) (= main_x main_y)), 19771#(or (<= (select main_a main_x) 50) (= main_x main_y)), 19772#(or (<= (select main_a main_x) 51) (= main_x main_y)), 19773#(or (= main_x main_y) (<= (select main_a main_x) 52)), 19774#(or (<= (select main_a main_x) 53) (= main_x main_y)), 19775#(or (<= (select main_a main_x) 54) (= main_x main_y)), 19776#(or (<= (select main_a main_x) 55) (= main_x main_y)), 19777#(or (= main_x main_y) (<= (select main_a main_x) 56)), 19778#(or (<= (select main_a main_x) 57) (= main_x main_y)), 19779#(or (<= (select main_a main_x) 58) (= main_x main_y)), 19780#(or (= main_x main_y) (<= (select main_a main_x) 59)), 19781#(or (= main_x main_y) (<= (select main_a main_x) 60)), 19782#(or (= main_x main_y) (<= (select main_a main_x) 61)), 19783#(or (<= (select main_a main_x) 62) (= main_x main_y)), 19784#(or (<= (select main_a main_x) 63) (= main_x main_y)), 19785#(or (= main_x main_y) (<= (select main_a main_x) 64)), 19786#(or (<= (select main_a main_x) 65) (= main_x main_y)), 19787#(or (= main_x main_y) (<= (select main_a main_x) 66)), 19788#(or (<= (select main_a main_x) 67) (= main_x main_y)), 19789#(or (= main_x main_y) (<= (select main_a main_x) 68)), 19790#(or (= main_x main_y) (<= (select main_a main_x) 69)), 19791#(or (<= (select main_a main_x) 70) (= main_x main_y)), 19792#(or (<= (select main_a main_x) 71) (= main_x main_y)), 19793#(or (= main_x main_y) (<= (select main_a main_x) 72)), 19794#(or (<= (select main_a main_x) 73) (= main_x main_y)), 19795#(or (= main_x main_y) (<= (select main_a main_x) 74)), 19796#(or (= main_x main_y) (<= (select main_a main_x) 75)), 19797#(or (<= (select main_a main_x) 76) (= main_x main_y)), 19798#(or (<= (select main_a main_x) 77) (= main_x main_y)), 19799#(or (<= (select main_a main_x) 78) (= main_x main_y)), 19800#(or (<= (select main_a main_x) 79) (= main_x main_y)), 19801#(or (<= (select main_a main_x) 80) (= main_x main_y)), 19802#(or (<= (select main_a main_x) 81) (= main_x main_y)), 19803#(or (<= (select main_a main_x) 82) (= main_x main_y)), 19804#(or (= main_x main_y) (<= (select main_a main_x) 83)), 19805#(or (not (= (select main_a main_x) 1000)) (= main_x main_y))] [2018-07-23 13:56:27,291 INFO L134 CoverageAnalysis]: Checked inductivity of 3570 backedges. 0 proven. 3570 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-07-23 13:56:27,291 INFO L450 AbstractCegarLoop]: Interpolant automaton has 87 states [2018-07-23 13:56:27,291 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 87 interpolants. [2018-07-23 13:56:27,292 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=3741, Invalid=3741, Unknown=0, NotChecked=0, Total=7482 [2018-07-23 13:56:27,292 INFO L87 Difference]: Start difference. First operand 88 states and 88 transitions. Second operand 87 states. [2018-07-23 13:56:27,411 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-07-23 13:56:27,411 INFO L93 Difference]: Finished difference Result 91 states and 91 transitions. [2018-07-23 13:56:27,411 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 87 states. [2018-07-23 13:56:27,411 INFO L78 Accepts]: Start accepts. Automaton has 87 states. Word has length 87 [2018-07-23 13:56:27,412 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-07-23 13:56:27,412 INFO L225 Difference]: With dead ends: 91 [2018-07-23 13:56:27,412 INFO L226 Difference]: Without dead ends: 89 [2018-07-23 13:56:27,413 INFO L575 BasicCegarLoop]: 0 DeclaredPredicates, 86 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 85 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.5s TimeCoverageRelationStatistics Valid=3741, Invalid=3741, Unknown=0, NotChecked=0, Total=7482 [2018-07-23 13:56:27,413 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 89 states. [2018-07-23 13:56:27,421 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 89 to 89. [2018-07-23 13:56:27,421 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 89 states. [2018-07-23 13:56:27,421 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 89 states to 89 states and 89 transitions. [2018-07-23 13:56:27,421 INFO L78 Accepts]: Start accepts. Automaton has 89 states and 89 transitions. Word has length 87 [2018-07-23 13:56:27,422 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-07-23 13:56:27,422 INFO L471 AbstractCegarLoop]: Abstraction has 89 states and 89 transitions. [2018-07-23 13:56:27,422 INFO L472 AbstractCegarLoop]: Interpolant automaton has 87 states. [2018-07-23 13:56:27,422 INFO L276 IsEmpty]: Start isEmpty. Operand 89 states and 89 transitions. [2018-07-23 13:56:27,422 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 89 [2018-07-23 13:56:27,422 INFO L349 BasicCegarLoop]: Found error trace [2018-07-23 13:56:27,423 INFO L357 BasicCegarLoop]: trace histogram [85, 1, 1, 1] [2018-07-23 13:56:27,423 INFO L414 AbstractCegarLoop]: === Iteration 86 === [mainErr0AssertViolationASSERT]=== [2018-07-23 13:56:27,423 INFO L82 PathProgramCache]: Analyzing trace with hash 979976198, now seen corresponding path program 85 times [2018-07-23 13:56:27,423 INFO L69 tionRefinementEngine]: Using refinement strategy FixedRefinementStrategy [2018-07-23 13:56:27,490 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-07-23 13:56:28,024 INFO L134 CoverageAnalysis]: Checked inductivity of 3655 backedges. 0 proven. 3655 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-07-23 13:56:28,024 INFO L309 seRefinementStrategy]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2018-07-23 13:56:28,024 INFO L324 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [87] total 87 [2018-07-23 13:56:28,024 INFO L142 lantAutomatonBuilder]: Constructing canonical interpolant automaton, with selfloop in false state [2018-07-23 13:56:28,025 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-07-23 13:56:28,025 INFO L185 omatonBuilderFactory]: Interpolants [20224#(or (= main_x main_y) (<= (select main_a main_x) 56)), 20225#(or (<= (select main_a main_x) 57) (= main_x main_y)), 20226#(or (<= (select main_a main_x) 58) (= main_x main_y)), 20227#(or (= main_x main_y) (<= (select main_a main_x) 59)), 20228#(or (= main_x main_y) (<= (select main_a main_x) 60)), 20229#(or (= main_x main_y) (<= (select main_a main_x) 61)), 20230#(or (<= (select main_a main_x) 62) (= main_x main_y)), 20231#(or (<= (select main_a main_x) 63) (= main_x main_y)), 20232#(or (= main_x main_y) (<= (select main_a main_x) 64)), 20233#(or (<= (select main_a main_x) 65) (= main_x main_y)), 20234#(or (= main_x main_y) (<= (select main_a main_x) 66)), 20235#(or (<= (select main_a main_x) 67) (= main_x main_y)), 20236#(or (= main_x main_y) (<= (select main_a main_x) 68)), 20237#(or (= main_x main_y) (<= (select main_a main_x) 69)), 20238#(or (<= (select main_a main_x) 70) (= main_x main_y)), 20239#(or (<= (select main_a main_x) 71) (= main_x main_y)), 20240#(or (= main_x main_y) (<= (select main_a main_x) 72)), 20241#(or (<= (select main_a main_x) 73) (= main_x main_y)), 20242#(or (= main_x main_y) (<= (select main_a main_x) 74)), 20243#(or (= main_x main_y) (<= (select main_a main_x) 75)), 20244#(or (<= (select main_a main_x) 76) (= main_x main_y)), 20245#(or (<= (select main_a main_x) 77) (= main_x main_y)), 20246#(or (<= (select main_a main_x) 78) (= main_x main_y)), 20247#(or (<= (select main_a main_x) 79) (= main_x main_y)), 20248#(or (<= (select main_a main_x) 80) (= main_x main_y)), 20249#(or (<= (select main_a main_x) 81) (= main_x main_y)), 20250#(or (<= (select main_a main_x) 82) (= main_x main_y)), 20251#(or (= main_x main_y) (<= (select main_a main_x) 83)), 20252#(or (<= (select main_a main_x) 84) (= main_x main_y)), 20253#(or (not (= (select main_a main_x) 1000)) (= main_x main_y)), 20166#true, 20167#false, 20168#(or (= 0 (select main_a main_x)) (= main_x main_y)), 20169#(or (<= (select main_a main_x) 1) (= main_x main_y)), 20170#(or (= main_x main_y) (<= (select main_a main_x) 2)), 20171#(or (= main_x main_y) (<= (select main_a main_x) 3)), 20172#(or (<= (select main_a main_x) 4) (= main_x main_y)), 20173#(or (<= (select main_a main_x) 5) (= main_x main_y)), 20174#(or (<= (select main_a main_x) 6) (= main_x main_y)), 20175#(or (<= (select main_a main_x) 7) (= main_x main_y)), 20176#(or (<= (select main_a main_x) 8) (= main_x main_y)), 20177#(or (= main_x main_y) (<= (select main_a main_x) 9)), 20178#(or (= main_x main_y) (<= (select main_a main_x) 10)), 20179#(or (= main_x main_y) (<= (select main_a main_x) 11)), 20180#(or (<= (select main_a main_x) 12) (= main_x main_y)), 20181#(or (= main_x main_y) (<= (select main_a main_x) 13)), 20182#(or (<= (select main_a main_x) 14) (= main_x main_y)), 20183#(or (<= (select main_a main_x) 15) (= main_x main_y)), 20184#(or (<= (select main_a main_x) 16) (= main_x main_y)), 20185#(or (= main_x main_y) (<= (select main_a main_x) 17)), 20186#(or (<= (select main_a main_x) 18) (= main_x main_y)), 20187#(or (<= (select main_a main_x) 19) (= main_x main_y)), 20188#(or (= main_x main_y) (<= (select main_a main_x) 20)), 20189#(or (<= (select main_a main_x) 21) (= main_x main_y)), 20190#(or (= main_x main_y) (<= (select main_a main_x) 22)), 20191#(or (= main_x main_y) (<= (select main_a main_x) 23)), 20192#(or (<= (select main_a main_x) 24) (= main_x main_y)), 20193#(or (= main_x main_y) (<= (select main_a main_x) 25)), 20194#(or (<= (select main_a main_x) 26) (= main_x main_y)), 20195#(or (<= (select main_a main_x) 27) (= main_x main_y)), 20196#(or (<= (select main_a main_x) 28) (= main_x main_y)), 20197#(or (<= (select main_a main_x) 29) (= main_x main_y)), 20198#(or (= main_x main_y) (<= (select main_a main_x) 30)), 20199#(or (<= (select main_a main_x) 31) (= main_x main_y)), 20200#(or (<= (select main_a main_x) 32) (= main_x main_y)), 20201#(or (<= (select main_a main_x) 33) (= main_x main_y)), 20202#(or (<= (select main_a main_x) 34) (= main_x main_y)), 20203#(or (<= (select main_a main_x) 35) (= main_x main_y)), 20204#(or (<= (select main_a main_x) 36) (= main_x main_y)), 20205#(or (<= (select main_a main_x) 37) (= main_x main_y)), 20206#(or (<= (select main_a main_x) 38) (= main_x main_y)), 20207#(or (<= (select main_a main_x) 39) (= main_x main_y)), 20208#(or (<= (select main_a main_x) 40) (= main_x main_y)), 20209#(or (<= (select main_a main_x) 41) (= main_x main_y)), 20210#(or (<= (select main_a main_x) 42) (= main_x main_y)), 20211#(or (= main_x main_y) (<= (select main_a main_x) 43)), 20212#(or (= main_x main_y) (<= (select main_a main_x) 44)), 20213#(or (= main_x main_y) (<= (select main_a main_x) 45)), 20214#(or (<= (select main_a main_x) 46) (= main_x main_y)), 20215#(or (<= (select main_a main_x) 47) (= main_x main_y)), 20216#(or (<= (select main_a main_x) 48) (= main_x main_y)), 20217#(or (<= (select main_a main_x) 49) (= main_x main_y)), 20218#(or (<= (select main_a main_x) 50) (= main_x main_y)), 20219#(or (<= (select main_a main_x) 51) (= main_x main_y)), 20220#(or (= main_x main_y) (<= (select main_a main_x) 52)), 20221#(or (<= (select main_a main_x) 53) (= main_x main_y)), 20222#(or (<= (select main_a main_x) 54) (= main_x main_y)), 20223#(or (<= (select main_a main_x) 55) (= main_x main_y))] [2018-07-23 13:56:28,025 INFO L134 CoverageAnalysis]: Checked inductivity of 3655 backedges. 0 proven. 3655 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-07-23 13:56:28,025 INFO L450 AbstractCegarLoop]: Interpolant automaton has 88 states [2018-07-23 13:56:28,026 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 88 interpolants. [2018-07-23 13:56:28,027 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=3828, Invalid=3828, Unknown=0, NotChecked=0, Total=7656 [2018-07-23 13:56:28,027 INFO L87 Difference]: Start difference. First operand 89 states and 89 transitions. Second operand 88 states. [2018-07-23 13:56:28,078 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-07-23 13:56:28,079 INFO L93 Difference]: Finished difference Result 92 states and 92 transitions. [2018-07-23 13:56:28,079 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 88 states. [2018-07-23 13:56:28,079 INFO L78 Accepts]: Start accepts. Automaton has 88 states. Word has length 88 [2018-07-23 13:56:28,079 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-07-23 13:56:28,080 INFO L225 Difference]: With dead ends: 92 [2018-07-23 13:56:28,080 INFO L226 Difference]: Without dead ends: 90 [2018-07-23 13:56:28,083 INFO L575 BasicCegarLoop]: 0 DeclaredPredicates, 87 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 86 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.4s TimeCoverageRelationStatistics Valid=3828, Invalid=3828, Unknown=0, NotChecked=0, Total=7656 [2018-07-23 13:56:28,083 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 90 states. [2018-07-23 13:56:28,091 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 90 to 90. [2018-07-23 13:56:28,091 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 90 states. [2018-07-23 13:56:28,091 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 90 states to 90 states and 90 transitions. [2018-07-23 13:56:28,091 INFO L78 Accepts]: Start accepts. Automaton has 90 states and 90 transitions. Word has length 88 [2018-07-23 13:56:28,092 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-07-23 13:56:28,092 INFO L471 AbstractCegarLoop]: Abstraction has 90 states and 90 transitions. [2018-07-23 13:56:28,092 INFO L472 AbstractCegarLoop]: Interpolant automaton has 88 states. [2018-07-23 13:56:28,092 INFO L276 IsEmpty]: Start isEmpty. Operand 90 states and 90 transitions. [2018-07-23 13:56:28,092 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 90 [2018-07-23 13:56:28,092 INFO L349 BasicCegarLoop]: Found error trace [2018-07-23 13:56:28,093 INFO L357 BasicCegarLoop]: trace histogram [86, 1, 1, 1] [2018-07-23 13:56:28,093 INFO L414 AbstractCegarLoop]: === Iteration 87 === [mainErr0AssertViolationASSERT]=== [2018-07-23 13:56:28,093 INFO L82 PathProgramCache]: Analyzing trace with hash 314487200, now seen corresponding path program 86 times [2018-07-23 13:56:28,093 INFO L69 tionRefinementEngine]: Using refinement strategy FixedRefinementStrategy [2018-07-23 13:56:28,163 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-07-23 13:56:28,796 INFO L134 CoverageAnalysis]: Checked inductivity of 3741 backedges. 0 proven. 3741 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-07-23 13:56:28,796 INFO L309 seRefinementStrategy]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2018-07-23 13:56:28,796 INFO L324 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [88] total 88 [2018-07-23 13:56:28,797 INFO L142 lantAutomatonBuilder]: Constructing canonical interpolant automaton, with selfloop in false state [2018-07-23 13:56:28,797 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-07-23 13:56:28,797 INFO L185 omatonBuilderFactory]: Interpolants [20618#true, 20619#false, 20620#(or (= 0 (select main_a main_x)) (= main_x main_y)), 20621#(or (<= (select main_a main_x) 1) (= main_x main_y)), 20622#(or (= main_x main_y) (<= (select main_a main_x) 2)), 20623#(or (= main_x main_y) (<= (select main_a main_x) 3)), 20624#(or (<= (select main_a main_x) 4) (= main_x main_y)), 20625#(or (<= (select main_a main_x) 5) (= main_x main_y)), 20626#(or (<= (select main_a main_x) 6) (= main_x main_y)), 20627#(or (<= (select main_a main_x) 7) (= main_x main_y)), 20628#(or (<= (select main_a main_x) 8) (= main_x main_y)), 20629#(or (= main_x main_y) (<= (select main_a main_x) 9)), 20630#(or (= main_x main_y) (<= (select main_a main_x) 10)), 20631#(or (= main_x main_y) (<= (select main_a main_x) 11)), 20632#(or (<= (select main_a main_x) 12) (= main_x main_y)), 20633#(or (= main_x main_y) (<= (select main_a main_x) 13)), 20634#(or (<= (select main_a main_x) 14) (= main_x main_y)), 20635#(or (<= (select main_a main_x) 15) (= main_x main_y)), 20636#(or (<= (select main_a main_x) 16) (= main_x main_y)), 20637#(or (= main_x main_y) (<= (select main_a main_x) 17)), 20638#(or (<= (select main_a main_x) 18) (= main_x main_y)), 20639#(or (<= (select main_a main_x) 19) (= main_x main_y)), 20640#(or (= main_x main_y) (<= (select main_a main_x) 20)), 20641#(or (<= (select main_a main_x) 21) (= main_x main_y)), 20642#(or (= main_x main_y) (<= (select main_a main_x) 22)), 20643#(or (= main_x main_y) (<= (select main_a main_x) 23)), 20644#(or (<= (select main_a main_x) 24) (= main_x main_y)), 20645#(or (= main_x main_y) (<= (select main_a main_x) 25)), 20646#(or (<= (select main_a main_x) 26) (= main_x main_y)), 20647#(or (<= (select main_a main_x) 27) (= main_x main_y)), 20648#(or (<= (select main_a main_x) 28) (= main_x main_y)), 20649#(or (<= (select main_a main_x) 29) (= main_x main_y)), 20650#(or (= main_x main_y) (<= (select main_a main_x) 30)), 20651#(or (<= (select main_a main_x) 31) (= main_x main_y)), 20652#(or (<= (select main_a main_x) 32) (= main_x main_y)), 20653#(or (<= (select main_a main_x) 33) (= main_x main_y)), 20654#(or (<= (select main_a main_x) 34) (= main_x main_y)), 20655#(or (<= (select main_a main_x) 35) (= main_x main_y)), 20656#(or (<= (select main_a main_x) 36) (= main_x main_y)), 20657#(or (<= (select main_a main_x) 37) (= main_x main_y)), 20658#(or (<= (select main_a main_x) 38) (= main_x main_y)), 20659#(or (<= (select main_a main_x) 39) (= main_x main_y)), 20660#(or (<= (select main_a main_x) 40) (= main_x main_y)), 20661#(or (<= (select main_a main_x) 41) (= main_x main_y)), 20662#(or (<= (select main_a main_x) 42) (= main_x main_y)), 20663#(or (= main_x main_y) (<= (select main_a main_x) 43)), 20664#(or (= main_x main_y) (<= (select main_a main_x) 44)), 20665#(or (= main_x main_y) (<= (select main_a main_x) 45)), 20666#(or (<= (select main_a main_x) 46) (= main_x main_y)), 20667#(or (<= (select main_a main_x) 47) (= main_x main_y)), 20668#(or (<= (select main_a main_x) 48) (= main_x main_y)), 20669#(or (<= (select main_a main_x) 49) (= main_x main_y)), 20670#(or (<= (select main_a main_x) 50) (= main_x main_y)), 20671#(or (<= (select main_a main_x) 51) (= main_x main_y)), 20672#(or (= main_x main_y) (<= (select main_a main_x) 52)), 20673#(or (<= (select main_a main_x) 53) (= main_x main_y)), 20674#(or (<= (select main_a main_x) 54) (= main_x main_y)), 20675#(or (<= (select main_a main_x) 55) (= main_x main_y)), 20676#(or (= main_x main_y) (<= (select main_a main_x) 56)), 20677#(or (<= (select main_a main_x) 57) (= main_x main_y)), 20678#(or (<= (select main_a main_x) 58) (= main_x main_y)), 20679#(or (= main_x main_y) (<= (select main_a main_x) 59)), 20680#(or (= main_x main_y) (<= (select main_a main_x) 60)), 20681#(or (= main_x main_y) (<= (select main_a main_x) 61)), 20682#(or (<= (select main_a main_x) 62) (= main_x main_y)), 20683#(or (<= (select main_a main_x) 63) (= main_x main_y)), 20684#(or (= main_x main_y) (<= (select main_a main_x) 64)), 20685#(or (<= (select main_a main_x) 65) (= main_x main_y)), 20686#(or (= main_x main_y) (<= (select main_a main_x) 66)), 20687#(or (<= (select main_a main_x) 67) (= main_x main_y)), 20688#(or (= main_x main_y) (<= (select main_a main_x) 68)), 20689#(or (= main_x main_y) (<= (select main_a main_x) 69)), 20690#(or (<= (select main_a main_x) 70) (= main_x main_y)), 20691#(or (<= (select main_a main_x) 71) (= main_x main_y)), 20692#(or (= main_x main_y) (<= (select main_a main_x) 72)), 20693#(or (<= (select main_a main_x) 73) (= main_x main_y)), 20694#(or (= main_x main_y) (<= (select main_a main_x) 74)), 20695#(or (= main_x main_y) (<= (select main_a main_x) 75)), 20696#(or (<= (select main_a main_x) 76) (= main_x main_y)), 20697#(or (<= (select main_a main_x) 77) (= main_x main_y)), 20698#(or (<= (select main_a main_x) 78) (= main_x main_y)), 20699#(or (<= (select main_a main_x) 79) (= main_x main_y)), 20700#(or (<= (select main_a main_x) 80) (= main_x main_y)), 20701#(or (<= (select main_a main_x) 81) (= main_x main_y)), 20702#(or (<= (select main_a main_x) 82) (= main_x main_y)), 20703#(or (= main_x main_y) (<= (select main_a main_x) 83)), 20704#(or (<= (select main_a main_x) 84) (= main_x main_y)), 20705#(or (<= (select main_a main_x) 85) (= main_x main_y)), 20706#(or (not (= (select main_a main_x) 1000)) (= main_x main_y))] [2018-07-23 13:56:28,798 INFO L134 CoverageAnalysis]: Checked inductivity of 3741 backedges. 0 proven. 3741 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-07-23 13:56:28,798 INFO L450 AbstractCegarLoop]: Interpolant automaton has 89 states [2018-07-23 13:56:28,799 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 89 interpolants. [2018-07-23 13:56:28,799 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=3916, Invalid=3916, Unknown=0, NotChecked=0, Total=7832 [2018-07-23 13:56:28,799 INFO L87 Difference]: Start difference. First operand 90 states and 90 transitions. Second operand 89 states. [2018-07-23 13:56:28,896 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-07-23 13:56:28,896 INFO L93 Difference]: Finished difference Result 93 states and 93 transitions. [2018-07-23 13:56:28,896 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 89 states. [2018-07-23 13:56:28,896 INFO L78 Accepts]: Start accepts. Automaton has 89 states. Word has length 89 [2018-07-23 13:56:28,897 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-07-23 13:56:28,897 INFO L225 Difference]: With dead ends: 93 [2018-07-23 13:56:28,897 INFO L226 Difference]: Without dead ends: 91 [2018-07-23 13:56:28,898 INFO L575 BasicCegarLoop]: 0 DeclaredPredicates, 88 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 87 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.5s TimeCoverageRelationStatistics Valid=3916, Invalid=3916, Unknown=0, NotChecked=0, Total=7832 [2018-07-23 13:56:28,898 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 91 states. [2018-07-23 13:56:28,908 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 91 to 91. [2018-07-23 13:56:28,909 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 91 states. [2018-07-23 13:56:28,909 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 91 states to 91 states and 91 transitions. [2018-07-23 13:56:28,909 INFO L78 Accepts]: Start accepts. Automaton has 91 states and 91 transitions. Word has length 89 [2018-07-23 13:56:28,910 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-07-23 13:56:28,910 INFO L471 AbstractCegarLoop]: Abstraction has 91 states and 91 transitions. [2018-07-23 13:56:28,910 INFO L472 AbstractCegarLoop]: Interpolant automaton has 89 states. [2018-07-23 13:56:28,910 INFO L276 IsEmpty]: Start isEmpty. Operand 91 states and 91 transitions. [2018-07-23 13:56:28,911 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 91 [2018-07-23 13:56:28,911 INFO L349 BasicCegarLoop]: Found error trace [2018-07-23 13:56:28,912 INFO L357 BasicCegarLoop]: trace histogram [87, 1, 1, 1] [2018-07-23 13:56:28,912 INFO L414 AbstractCegarLoop]: === Iteration 88 === [mainErr0AssertViolationASSERT]=== [2018-07-23 13:56:28,912 INFO L82 PathProgramCache]: Analyzing trace with hash 1159164742, now seen corresponding path program 87 times [2018-07-23 13:56:28,912 INFO L69 tionRefinementEngine]: Using refinement strategy FixedRefinementStrategy [2018-07-23 13:56:29,006 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-07-23 13:56:29,598 INFO L134 CoverageAnalysis]: Checked inductivity of 3828 backedges. 0 proven. 3828 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-07-23 13:56:29,599 INFO L309 seRefinementStrategy]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2018-07-23 13:56:29,599 INFO L324 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [89] total 89 [2018-07-23 13:56:29,599 INFO L142 lantAutomatonBuilder]: Constructing canonical interpolant automaton, with selfloop in false state [2018-07-23 13:56:29,599 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-07-23 13:56:29,600 INFO L185 omatonBuilderFactory]: Interpolants [21120#(or (= main_x main_y) (<= (select main_a main_x) 43)), 21121#(or (= main_x main_y) (<= (select main_a main_x) 44)), 21122#(or (= main_x main_y) (<= (select main_a main_x) 45)), 21123#(or (<= (select main_a main_x) 46) (= main_x main_y)), 21124#(or (<= (select main_a main_x) 47) (= main_x main_y)), 21125#(or (<= (select main_a main_x) 48) (= main_x main_y)), 21126#(or (<= (select main_a main_x) 49) (= main_x main_y)), 21127#(or (<= (select main_a main_x) 50) (= main_x main_y)), 21128#(or (<= (select main_a main_x) 51) (= main_x main_y)), 21129#(or (= main_x main_y) (<= (select main_a main_x) 52)), 21130#(or (<= (select main_a main_x) 53) (= main_x main_y)), 21131#(or (<= (select main_a main_x) 54) (= main_x main_y)), 21132#(or (<= (select main_a main_x) 55) (= main_x main_y)), 21133#(or (= main_x main_y) (<= (select main_a main_x) 56)), 21134#(or (<= (select main_a main_x) 57) (= main_x main_y)), 21135#(or (<= (select main_a main_x) 58) (= main_x main_y)), 21136#(or (= main_x main_y) (<= (select main_a main_x) 59)), 21137#(or (= main_x main_y) (<= (select main_a main_x) 60)), 21138#(or (= main_x main_y) (<= (select main_a main_x) 61)), 21139#(or (<= (select main_a main_x) 62) (= main_x main_y)), 21140#(or (<= (select main_a main_x) 63) (= main_x main_y)), 21141#(or (= main_x main_y) (<= (select main_a main_x) 64)), 21142#(or (<= (select main_a main_x) 65) (= main_x main_y)), 21143#(or (= main_x main_y) (<= (select main_a main_x) 66)), 21144#(or (<= (select main_a main_x) 67) (= main_x main_y)), 21145#(or (= main_x main_y) (<= (select main_a main_x) 68)), 21146#(or (= main_x main_y) (<= (select main_a main_x) 69)), 21147#(or (<= (select main_a main_x) 70) (= main_x main_y)), 21148#(or (<= (select main_a main_x) 71) (= main_x main_y)), 21149#(or (= main_x main_y) (<= (select main_a main_x) 72)), 21150#(or (<= (select main_a main_x) 73) (= main_x main_y)), 21151#(or (= main_x main_y) (<= (select main_a main_x) 74)), 21152#(or (= main_x main_y) (<= (select main_a main_x) 75)), 21153#(or (<= (select main_a main_x) 76) (= main_x main_y)), 21154#(or (<= (select main_a main_x) 77) (= main_x main_y)), 21155#(or (<= (select main_a main_x) 78) (= main_x main_y)), 21156#(or (<= (select main_a main_x) 79) (= main_x main_y)), 21157#(or (<= (select main_a main_x) 80) (= main_x main_y)), 21158#(or (<= (select main_a main_x) 81) (= main_x main_y)), 21159#(or (<= (select main_a main_x) 82) (= main_x main_y)), 21160#(or (= main_x main_y) (<= (select main_a main_x) 83)), 21161#(or (<= (select main_a main_x) 84) (= main_x main_y)), 21162#(or (<= (select main_a main_x) 85) (= main_x main_y)), 21163#(or (<= (select main_a main_x) 86) (= main_x main_y)), 21164#(or (not (= (select main_a main_x) 1000)) (= main_x main_y)), 21075#true, 21076#false, 21077#(or (= 0 (select main_a main_x)) (= main_x main_y)), 21078#(or (<= (select main_a main_x) 1) (= main_x main_y)), 21079#(or (= main_x main_y) (<= (select main_a main_x) 2)), 21080#(or (= main_x main_y) (<= (select main_a main_x) 3)), 21081#(or (<= (select main_a main_x) 4) (= main_x main_y)), 21082#(or (<= (select main_a main_x) 5) (= main_x main_y)), 21083#(or (<= (select main_a main_x) 6) (= main_x main_y)), 21084#(or (<= (select main_a main_x) 7) (= main_x main_y)), 21085#(or (<= (select main_a main_x) 8) (= main_x main_y)), 21086#(or (= main_x main_y) (<= (select main_a main_x) 9)), 21087#(or (= main_x main_y) (<= (select main_a main_x) 10)), 21088#(or (= main_x main_y) (<= (select main_a main_x) 11)), 21089#(or (<= (select main_a main_x) 12) (= main_x main_y)), 21090#(or (= main_x main_y) (<= (select main_a main_x) 13)), 21091#(or (<= (select main_a main_x) 14) (= main_x main_y)), 21092#(or (<= (select main_a main_x) 15) (= main_x main_y)), 21093#(or (<= (select main_a main_x) 16) (= main_x main_y)), 21094#(or (= main_x main_y) (<= (select main_a main_x) 17)), 21095#(or (<= (select main_a main_x) 18) (= main_x main_y)), 21096#(or (<= (select main_a main_x) 19) (= main_x main_y)), 21097#(or (= main_x main_y) (<= (select main_a main_x) 20)), 21098#(or (<= (select main_a main_x) 21) (= main_x main_y)), 21099#(or (= main_x main_y) (<= (select main_a main_x) 22)), 21100#(or (= main_x main_y) (<= (select main_a main_x) 23)), 21101#(or (<= (select main_a main_x) 24) (= main_x main_y)), 21102#(or (= main_x main_y) (<= (select main_a main_x) 25)), 21103#(or (<= (select main_a main_x) 26) (= main_x main_y)), 21104#(or (<= (select main_a main_x) 27) (= main_x main_y)), 21105#(or (<= (select main_a main_x) 28) (= main_x main_y)), 21106#(or (<= (select main_a main_x) 29) (= main_x main_y)), 21107#(or (= main_x main_y) (<= (select main_a main_x) 30)), 21108#(or (<= (select main_a main_x) 31) (= main_x main_y)), 21109#(or (<= (select main_a main_x) 32) (= main_x main_y)), 21110#(or (<= (select main_a main_x) 33) (= main_x main_y)), 21111#(or (<= (select main_a main_x) 34) (= main_x main_y)), 21112#(or (<= (select main_a main_x) 35) (= main_x main_y)), 21113#(or (<= (select main_a main_x) 36) (= main_x main_y)), 21114#(or (<= (select main_a main_x) 37) (= main_x main_y)), 21115#(or (<= (select main_a main_x) 38) (= main_x main_y)), 21116#(or (<= (select main_a main_x) 39) (= main_x main_y)), 21117#(or (<= (select main_a main_x) 40) (= main_x main_y)), 21118#(or (<= (select main_a main_x) 41) (= main_x main_y)), 21119#(or (<= (select main_a main_x) 42) (= main_x main_y))] [2018-07-23 13:56:29,600 INFO L134 CoverageAnalysis]: Checked inductivity of 3828 backedges. 0 proven. 3828 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-07-23 13:56:29,600 INFO L450 AbstractCegarLoop]: Interpolant automaton has 90 states [2018-07-23 13:56:29,601 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 90 interpolants. [2018-07-23 13:56:29,602 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=4005, Invalid=4005, Unknown=0, NotChecked=0, Total=8010 [2018-07-23 13:56:29,602 INFO L87 Difference]: Start difference. First operand 91 states and 91 transitions. Second operand 90 states. [2018-07-23 13:56:29,654 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-07-23 13:56:29,654 INFO L93 Difference]: Finished difference Result 94 states and 94 transitions. [2018-07-23 13:56:29,654 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 90 states. [2018-07-23 13:56:29,654 INFO L78 Accepts]: Start accepts. Automaton has 90 states. Word has length 90 [2018-07-23 13:56:29,654 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-07-23 13:56:29,655 INFO L225 Difference]: With dead ends: 94 [2018-07-23 13:56:29,655 INFO L226 Difference]: Without dead ends: 92 [2018-07-23 13:56:29,656 INFO L575 BasicCegarLoop]: 0 DeclaredPredicates, 89 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 88 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.4s TimeCoverageRelationStatistics Valid=4005, Invalid=4005, Unknown=0, NotChecked=0, Total=8010 [2018-07-23 13:56:29,656 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 92 states. [2018-07-23 13:56:29,664 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 92 to 92. [2018-07-23 13:56:29,664 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 92 states. [2018-07-23 13:56:29,664 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 92 states to 92 states and 92 transitions. [2018-07-23 13:56:29,664 INFO L78 Accepts]: Start accepts. Automaton has 92 states and 92 transitions. Word has length 90 [2018-07-23 13:56:29,665 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-07-23 13:56:29,665 INFO L471 AbstractCegarLoop]: Abstraction has 92 states and 92 transitions. [2018-07-23 13:56:29,665 INFO L472 AbstractCegarLoop]: Interpolant automaton has 90 states. [2018-07-23 13:56:29,665 INFO L276 IsEmpty]: Start isEmpty. Operand 92 states and 92 transitions. [2018-07-23 13:56:29,665 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 92 [2018-07-23 13:56:29,666 INFO L349 BasicCegarLoop]: Found error trace [2018-07-23 13:56:29,666 INFO L357 BasicCegarLoop]: trace histogram [88, 1, 1, 1] [2018-07-23 13:56:29,666 INFO L414 AbstractCegarLoop]: === Iteration 89 === [mainErr0AssertViolationASSERT]=== [2018-07-23 13:56:29,666 INFO L82 PathProgramCache]: Analyzing trace with hash 1574364768, now seen corresponding path program 88 times [2018-07-23 13:56:29,666 INFO L69 tionRefinementEngine]: Using refinement strategy FixedRefinementStrategy [2018-07-23 13:56:29,732 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-07-23 13:56:30,236 INFO L134 CoverageAnalysis]: Checked inductivity of 3916 backedges. 0 proven. 3916 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-07-23 13:56:30,236 INFO L309 seRefinementStrategy]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2018-07-23 13:56:30,237 INFO L324 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [90] total 90 [2018-07-23 13:56:30,237 INFO L142 lantAutomatonBuilder]: Constructing canonical interpolant automaton, with selfloop in false state [2018-07-23 13:56:30,237 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-07-23 13:56:30,237 INFO L185 omatonBuilderFactory]: Interpolants [21537#true, 21538#false, 21539#(or (= 0 (select main_a main_x)) (= main_x main_y)), 21540#(or (<= (select main_a main_x) 1) (= main_x main_y)), 21541#(or (= main_x main_y) (<= (select main_a main_x) 2)), 21542#(or (= main_x main_y) (<= (select main_a main_x) 3)), 21543#(or (<= (select main_a main_x) 4) (= main_x main_y)), 21544#(or (<= (select main_a main_x) 5) (= main_x main_y)), 21545#(or (<= (select main_a main_x) 6) (= main_x main_y)), 21546#(or (<= (select main_a main_x) 7) (= main_x main_y)), 21547#(or (<= (select main_a main_x) 8) (= main_x main_y)), 21548#(or (= main_x main_y) (<= (select main_a main_x) 9)), 21549#(or (= main_x main_y) (<= (select main_a main_x) 10)), 21550#(or (= main_x main_y) (<= (select main_a main_x) 11)), 21551#(or (<= (select main_a main_x) 12) (= main_x main_y)), 21552#(or (= main_x main_y) (<= (select main_a main_x) 13)), 21553#(or (<= (select main_a main_x) 14) (= main_x main_y)), 21554#(or (<= (select main_a main_x) 15) (= main_x main_y)), 21555#(or (<= (select main_a main_x) 16) (= main_x main_y)), 21556#(or (= main_x main_y) (<= (select main_a main_x) 17)), 21557#(or (<= (select main_a main_x) 18) (= main_x main_y)), 21558#(or (<= (select main_a main_x) 19) (= main_x main_y)), 21559#(or (= main_x main_y) (<= (select main_a main_x) 20)), 21560#(or (<= (select main_a main_x) 21) (= main_x main_y)), 21561#(or (= main_x main_y) (<= (select main_a main_x) 22)), 21562#(or (= main_x main_y) (<= (select main_a main_x) 23)), 21563#(or (<= (select main_a main_x) 24) (= main_x main_y)), 21564#(or (= main_x main_y) (<= (select main_a main_x) 25)), 21565#(or (<= (select main_a main_x) 26) (= main_x main_y)), 21566#(or (<= (select main_a main_x) 27) (= main_x main_y)), 21567#(or (<= (select main_a main_x) 28) (= main_x main_y)), 21568#(or (<= (select main_a main_x) 29) (= main_x main_y)), 21569#(or (= main_x main_y) (<= (select main_a main_x) 30)), 21570#(or (<= (select main_a main_x) 31) (= main_x main_y)), 21571#(or (<= (select main_a main_x) 32) (= main_x main_y)), 21572#(or (<= (select main_a main_x) 33) (= main_x main_y)), 21573#(or (<= (select main_a main_x) 34) (= main_x main_y)), 21574#(or (<= (select main_a main_x) 35) (= main_x main_y)), 21575#(or (<= (select main_a main_x) 36) (= main_x main_y)), 21576#(or (<= (select main_a main_x) 37) (= main_x main_y)), 21577#(or (<= (select main_a main_x) 38) (= main_x main_y)), 21578#(or (<= (select main_a main_x) 39) (= main_x main_y)), 21579#(or (<= (select main_a main_x) 40) (= main_x main_y)), 21580#(or (<= (select main_a main_x) 41) (= main_x main_y)), 21581#(or (<= (select main_a main_x) 42) (= main_x main_y)), 21582#(or (= main_x main_y) (<= (select main_a main_x) 43)), 21583#(or (= main_x main_y) (<= (select main_a main_x) 44)), 21584#(or (= main_x main_y) (<= (select main_a main_x) 45)), 21585#(or (<= (select main_a main_x) 46) (= main_x main_y)), 21586#(or (<= (select main_a main_x) 47) (= main_x main_y)), 21587#(or (<= (select main_a main_x) 48) (= main_x main_y)), 21588#(or (<= (select main_a main_x) 49) (= main_x main_y)), 21589#(or (<= (select main_a main_x) 50) (= main_x main_y)), 21590#(or (<= (select main_a main_x) 51) (= main_x main_y)), 21591#(or (= main_x main_y) (<= (select main_a main_x) 52)), 21592#(or (<= (select main_a main_x) 53) (= main_x main_y)), 21593#(or (<= (select main_a main_x) 54) (= main_x main_y)), 21594#(or (<= (select main_a main_x) 55) (= main_x main_y)), 21595#(or (= main_x main_y) (<= (select main_a main_x) 56)), 21596#(or (<= (select main_a main_x) 57) (= main_x main_y)), 21597#(or (<= (select main_a main_x) 58) (= main_x main_y)), 21598#(or (= main_x main_y) (<= (select main_a main_x) 59)), 21599#(or (= main_x main_y) (<= (select main_a main_x) 60)), 21600#(or (= main_x main_y) (<= (select main_a main_x) 61)), 21601#(or (<= (select main_a main_x) 62) (= main_x main_y)), 21602#(or (<= (select main_a main_x) 63) (= main_x main_y)), 21603#(or (= main_x main_y) (<= (select main_a main_x) 64)), 21604#(or (<= (select main_a main_x) 65) (= main_x main_y)), 21605#(or (= main_x main_y) (<= (select main_a main_x) 66)), 21606#(or (<= (select main_a main_x) 67) (= main_x main_y)), 21607#(or (= main_x main_y) (<= (select main_a main_x) 68)), 21608#(or (= main_x main_y) (<= (select main_a main_x) 69)), 21609#(or (<= (select main_a main_x) 70) (= main_x main_y)), 21610#(or (<= (select main_a main_x) 71) (= main_x main_y)), 21611#(or (= main_x main_y) (<= (select main_a main_x) 72)), 21612#(or (<= (select main_a main_x) 73) (= main_x main_y)), 21613#(or (= main_x main_y) (<= (select main_a main_x) 74)), 21614#(or (= main_x main_y) (<= (select main_a main_x) 75)), 21615#(or (<= (select main_a main_x) 76) (= main_x main_y)), 21616#(or (<= (select main_a main_x) 77) (= main_x main_y)), 21617#(or (<= (select main_a main_x) 78) (= main_x main_y)), 21618#(or (<= (select main_a main_x) 79) (= main_x main_y)), 21619#(or (<= (select main_a main_x) 80) (= main_x main_y)), 21620#(or (<= (select main_a main_x) 81) (= main_x main_y)), 21621#(or (<= (select main_a main_x) 82) (= main_x main_y)), 21622#(or (= main_x main_y) (<= (select main_a main_x) 83)), 21623#(or (<= (select main_a main_x) 84) (= main_x main_y)), 21624#(or (<= (select main_a main_x) 85) (= main_x main_y)), 21625#(or (<= (select main_a main_x) 86) (= main_x main_y)), 21626#(or (<= (select main_a main_x) 87) (= main_x main_y)), 21627#(or (not (= (select main_a main_x) 1000)) (= main_x main_y))] [2018-07-23 13:56:30,238 INFO L134 CoverageAnalysis]: Checked inductivity of 3916 backedges. 0 proven. 3916 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-07-23 13:56:30,238 INFO L450 AbstractCegarLoop]: Interpolant automaton has 91 states [2018-07-23 13:56:30,238 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 91 interpolants. [2018-07-23 13:56:30,239 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=4095, Invalid=4095, Unknown=0, NotChecked=0, Total=8190 [2018-07-23 13:56:30,239 INFO L87 Difference]: Start difference. First operand 92 states and 92 transitions. Second operand 91 states. [2018-07-23 13:56:30,328 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-07-23 13:56:30,328 INFO L93 Difference]: Finished difference Result 95 states and 95 transitions. [2018-07-23 13:56:30,328 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 91 states. [2018-07-23 13:56:30,328 INFO L78 Accepts]: Start accepts. Automaton has 91 states. Word has length 91 [2018-07-23 13:56:30,329 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-07-23 13:56:30,329 INFO L225 Difference]: With dead ends: 95 [2018-07-23 13:56:30,329 INFO L226 Difference]: Without dead ends: 93 [2018-07-23 13:56:30,330 INFO L575 BasicCegarLoop]: 0 DeclaredPredicates, 90 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 89 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.4s TimeCoverageRelationStatistics Valid=4095, Invalid=4095, Unknown=0, NotChecked=0, Total=8190 [2018-07-23 13:56:30,330 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 93 states. [2018-07-23 13:56:30,337 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 93 to 93. [2018-07-23 13:56:30,337 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 93 states. [2018-07-23 13:56:30,338 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 93 states to 93 states and 93 transitions. [2018-07-23 13:56:30,338 INFO L78 Accepts]: Start accepts. Automaton has 93 states and 93 transitions. Word has length 91 [2018-07-23 13:56:30,338 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-07-23 13:56:30,339 INFO L471 AbstractCegarLoop]: Abstraction has 93 states and 93 transitions. [2018-07-23 13:56:30,339 INFO L472 AbstractCegarLoop]: Interpolant automaton has 91 states. [2018-07-23 13:56:30,339 INFO L276 IsEmpty]: Start isEmpty. Operand 93 states and 93 transitions. [2018-07-23 13:56:30,340 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 93 [2018-07-23 13:56:30,340 INFO L349 BasicCegarLoop]: Found error trace [2018-07-23 13:56:30,340 INFO L357 BasicCegarLoop]: trace histogram [89, 1, 1, 1] [2018-07-23 13:56:30,340 INFO L414 AbstractCegarLoop]: === Iteration 90 === [mainErr0AssertViolationASSERT]=== [2018-07-23 13:56:30,340 INFO L82 PathProgramCache]: Analyzing trace with hash 1560663686, now seen corresponding path program 89 times [2018-07-23 13:56:30,340 INFO L69 tionRefinementEngine]: Using refinement strategy FixedRefinementStrategy [2018-07-23 13:56:30,408 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-07-23 13:56:30,917 INFO L134 CoverageAnalysis]: Checked inductivity of 4005 backedges. 0 proven. 4005 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-07-23 13:56:30,917 INFO L309 seRefinementStrategy]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2018-07-23 13:56:30,917 INFO L324 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [91] total 91 [2018-07-23 13:56:30,917 INFO L142 lantAutomatonBuilder]: Constructing canonical interpolant automaton, with selfloop in false state [2018-07-23 13:56:30,918 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-07-23 13:56:30,918 INFO L185 omatonBuilderFactory]: Interpolants [22016#(or (= main_x main_y) (<= (select main_a main_x) 10)), 22017#(or (= main_x main_y) (<= (select main_a main_x) 11)), 22018#(or (<= (select main_a main_x) 12) (= main_x main_y)), 22019#(or (= main_x main_y) (<= (select main_a main_x) 13)), 22020#(or (<= (select main_a main_x) 14) (= main_x main_y)), 22021#(or (<= (select main_a main_x) 15) (= main_x main_y)), 22022#(or (<= (select main_a main_x) 16) (= main_x main_y)), 22023#(or (= main_x main_y) (<= (select main_a main_x) 17)), 22024#(or (<= (select main_a main_x) 18) (= main_x main_y)), 22025#(or (<= (select main_a main_x) 19) (= main_x main_y)), 22026#(or (= main_x main_y) (<= (select main_a main_x) 20)), 22027#(or (<= (select main_a main_x) 21) (= main_x main_y)), 22028#(or (= main_x main_y) (<= (select main_a main_x) 22)), 22029#(or (= main_x main_y) (<= (select main_a main_x) 23)), 22030#(or (<= (select main_a main_x) 24) (= main_x main_y)), 22031#(or (= main_x main_y) (<= (select main_a main_x) 25)), 22032#(or (<= (select main_a main_x) 26) (= main_x main_y)), 22033#(or (<= (select main_a main_x) 27) (= main_x main_y)), 22034#(or (<= (select main_a main_x) 28) (= main_x main_y)), 22035#(or (<= (select main_a main_x) 29) (= main_x main_y)), 22036#(or (= main_x main_y) (<= (select main_a main_x) 30)), 22037#(or (<= (select main_a main_x) 31) (= main_x main_y)), 22038#(or (<= (select main_a main_x) 32) (= main_x main_y)), 22039#(or (<= (select main_a main_x) 33) (= main_x main_y)), 22040#(or (<= (select main_a main_x) 34) (= main_x main_y)), 22041#(or (<= (select main_a main_x) 35) (= main_x main_y)), 22042#(or (<= (select main_a main_x) 36) (= main_x main_y)), 22043#(or (<= (select main_a main_x) 37) (= main_x main_y)), 22044#(or (<= (select main_a main_x) 38) (= main_x main_y)), 22045#(or (<= (select main_a main_x) 39) (= main_x main_y)), 22046#(or (<= (select main_a main_x) 40) (= main_x main_y)), 22047#(or (<= (select main_a main_x) 41) (= main_x main_y)), 22048#(or (<= (select main_a main_x) 42) (= main_x main_y)), 22049#(or (= main_x main_y) (<= (select main_a main_x) 43)), 22050#(or (= main_x main_y) (<= (select main_a main_x) 44)), 22051#(or (= main_x main_y) (<= (select main_a main_x) 45)), 22052#(or (<= (select main_a main_x) 46) (= main_x main_y)), 22053#(or (<= (select main_a main_x) 47) (= main_x main_y)), 22054#(or (<= (select main_a main_x) 48) (= main_x main_y)), 22055#(or (<= (select main_a main_x) 49) (= main_x main_y)), 22056#(or (<= (select main_a main_x) 50) (= main_x main_y)), 22057#(or (<= (select main_a main_x) 51) (= main_x main_y)), 22058#(or (= main_x main_y) (<= (select main_a main_x) 52)), 22059#(or (<= (select main_a main_x) 53) (= main_x main_y)), 22060#(or (<= (select main_a main_x) 54) (= main_x main_y)), 22061#(or (<= (select main_a main_x) 55) (= main_x main_y)), 22062#(or (= main_x main_y) (<= (select main_a main_x) 56)), 22063#(or (<= (select main_a main_x) 57) (= main_x main_y)), 22064#(or (<= (select main_a main_x) 58) (= main_x main_y)), 22065#(or (= main_x main_y) (<= (select main_a main_x) 59)), 22066#(or (= main_x main_y) (<= (select main_a main_x) 60)), 22067#(or (= main_x main_y) (<= (select main_a main_x) 61)), 22068#(or (<= (select main_a main_x) 62) (= main_x main_y)), 22069#(or (<= (select main_a main_x) 63) (= main_x main_y)), 22070#(or (= main_x main_y) (<= (select main_a main_x) 64)), 22071#(or (<= (select main_a main_x) 65) (= main_x main_y)), 22072#(or (= main_x main_y) (<= (select main_a main_x) 66)), 22073#(or (<= (select main_a main_x) 67) (= main_x main_y)), 22074#(or (= main_x main_y) (<= (select main_a main_x) 68)), 22075#(or (= main_x main_y) (<= (select main_a main_x) 69)), 22076#(or (<= (select main_a main_x) 70) (= main_x main_y)), 22077#(or (<= (select main_a main_x) 71) (= main_x main_y)), 22078#(or (= main_x main_y) (<= (select main_a main_x) 72)), 22079#(or (<= (select main_a main_x) 73) (= main_x main_y)), 22080#(or (= main_x main_y) (<= (select main_a main_x) 74)), 22081#(or (= main_x main_y) (<= (select main_a main_x) 75)), 22082#(or (<= (select main_a main_x) 76) (= main_x main_y)), 22083#(or (<= (select main_a main_x) 77) (= main_x main_y)), 22084#(or (<= (select main_a main_x) 78) (= main_x main_y)), 22085#(or (<= (select main_a main_x) 79) (= main_x main_y)), 22086#(or (<= (select main_a main_x) 80) (= main_x main_y)), 22087#(or (<= (select main_a main_x) 81) (= main_x main_y)), 22088#(or (<= (select main_a main_x) 82) (= main_x main_y)), 22089#(or (= main_x main_y) (<= (select main_a main_x) 83)), 22090#(or (<= (select main_a main_x) 84) (= main_x main_y)), 22091#(or (<= (select main_a main_x) 85) (= main_x main_y)), 22092#(or (<= (select main_a main_x) 86) (= main_x main_y)), 22093#(or (<= (select main_a main_x) 87) (= main_x main_y)), 22094#(or (<= (select main_a main_x) 88) (= main_x main_y)), 22095#(or (not (= (select main_a main_x) 1000)) (= main_x main_y)), 22004#true, 22005#false, 22006#(or (= 0 (select main_a main_x)) (= main_x main_y)), 22007#(or (<= (select main_a main_x) 1) (= main_x main_y)), 22008#(or (= main_x main_y) (<= (select main_a main_x) 2)), 22009#(or (= main_x main_y) (<= (select main_a main_x) 3)), 22010#(or (<= (select main_a main_x) 4) (= main_x main_y)), 22011#(or (<= (select main_a main_x) 5) (= main_x main_y)), 22012#(or (<= (select main_a main_x) 6) (= main_x main_y)), 22013#(or (<= (select main_a main_x) 7) (= main_x main_y)), 22014#(or (<= (select main_a main_x) 8) (= main_x main_y)), 22015#(or (= main_x main_y) (<= (select main_a main_x) 9))] [2018-07-23 13:56:30,918 INFO L134 CoverageAnalysis]: Checked inductivity of 4005 backedges. 0 proven. 4005 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-07-23 13:56:30,918 INFO L450 AbstractCegarLoop]: Interpolant automaton has 92 states [2018-07-23 13:56:30,919 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 92 interpolants. [2018-07-23 13:56:30,919 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=4186, Invalid=4186, Unknown=0, NotChecked=0, Total=8372 [2018-07-23 13:56:30,920 INFO L87 Difference]: Start difference. First operand 93 states and 93 transitions. Second operand 92 states. [2018-07-23 13:56:31,016 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-07-23 13:56:31,017 INFO L93 Difference]: Finished difference Result 96 states and 96 transitions. [2018-07-23 13:56:31,017 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 92 states. [2018-07-23 13:56:31,017 INFO L78 Accepts]: Start accepts. Automaton has 92 states. Word has length 92 [2018-07-23 13:56:31,017 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-07-23 13:56:31,018 INFO L225 Difference]: With dead ends: 96 [2018-07-23 13:56:31,018 INFO L226 Difference]: Without dead ends: 94 [2018-07-23 13:56:31,019 INFO L575 BasicCegarLoop]: 0 DeclaredPredicates, 91 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 90 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.4s TimeCoverageRelationStatistics Valid=4186, Invalid=4186, Unknown=0, NotChecked=0, Total=8372 [2018-07-23 13:56:31,019 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 94 states. [2018-07-23 13:56:31,027 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 94 to 94. [2018-07-23 13:56:31,027 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 94 states. [2018-07-23 13:56:31,027 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 94 states to 94 states and 94 transitions. [2018-07-23 13:56:31,028 INFO L78 Accepts]: Start accepts. Automaton has 94 states and 94 transitions. Word has length 92 [2018-07-23 13:56:31,028 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-07-23 13:56:31,028 INFO L471 AbstractCegarLoop]: Abstraction has 94 states and 94 transitions. [2018-07-23 13:56:31,028 INFO L472 AbstractCegarLoop]: Interpolant automaton has 92 states. [2018-07-23 13:56:31,028 INFO L276 IsEmpty]: Start isEmpty. Operand 94 states and 94 transitions. [2018-07-23 13:56:31,029 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 94 [2018-07-23 13:56:31,029 INFO L349 BasicCegarLoop]: Found error trace [2018-07-23 13:56:31,029 INFO L357 BasicCegarLoop]: trace histogram [90, 1, 1, 1] [2018-07-23 13:56:31,029 INFO L414 AbstractCegarLoop]: === Iteration 91 === [mainErr0AssertViolationASSERT]=== [2018-07-23 13:56:31,029 INFO L82 PathProgramCache]: Analyzing trace with hash 1135930144, now seen corresponding path program 90 times [2018-07-23 13:56:31,029 INFO L69 tionRefinementEngine]: Using refinement strategy FixedRefinementStrategy [2018-07-23 13:56:31,115 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-07-23 13:56:31,719 INFO L134 CoverageAnalysis]: Checked inductivity of 4095 backedges. 0 proven. 4095 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-07-23 13:56:31,719 INFO L309 seRefinementStrategy]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2018-07-23 13:56:31,719 INFO L324 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [92] total 92 [2018-07-23 13:56:31,719 INFO L142 lantAutomatonBuilder]: Constructing canonical interpolant automaton, with selfloop in false state [2018-07-23 13:56:31,720 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-07-23 13:56:31,720 INFO L185 omatonBuilderFactory]: Interpolants [22528#(or (<= (select main_a main_x) 50) (= main_x main_y)), 22529#(or (<= (select main_a main_x) 51) (= main_x main_y)), 22530#(or (= main_x main_y) (<= (select main_a main_x) 52)), 22531#(or (<= (select main_a main_x) 53) (= main_x main_y)), 22532#(or (<= (select main_a main_x) 54) (= main_x main_y)), 22533#(or (<= (select main_a main_x) 55) (= main_x main_y)), 22534#(or (= main_x main_y) (<= (select main_a main_x) 56)), 22535#(or (<= (select main_a main_x) 57) (= main_x main_y)), 22536#(or (<= (select main_a main_x) 58) (= main_x main_y)), 22537#(or (= main_x main_y) (<= (select main_a main_x) 59)), 22538#(or (= main_x main_y) (<= (select main_a main_x) 60)), 22539#(or (= main_x main_y) (<= (select main_a main_x) 61)), 22540#(or (<= (select main_a main_x) 62) (= main_x main_y)), 22541#(or (<= (select main_a main_x) 63) (= main_x main_y)), 22542#(or (= main_x main_y) (<= (select main_a main_x) 64)), 22543#(or (<= (select main_a main_x) 65) (= main_x main_y)), 22544#(or (= main_x main_y) (<= (select main_a main_x) 66)), 22545#(or (<= (select main_a main_x) 67) (= main_x main_y)), 22546#(or (= main_x main_y) (<= (select main_a main_x) 68)), 22547#(or (= main_x main_y) (<= (select main_a main_x) 69)), 22548#(or (<= (select main_a main_x) 70) (= main_x main_y)), 22549#(or (<= (select main_a main_x) 71) (= main_x main_y)), 22550#(or (= main_x main_y) (<= (select main_a main_x) 72)), 22551#(or (<= (select main_a main_x) 73) (= main_x main_y)), 22552#(or (= main_x main_y) (<= (select main_a main_x) 74)), 22553#(or (= main_x main_y) (<= (select main_a main_x) 75)), 22554#(or (<= (select main_a main_x) 76) (= main_x main_y)), 22555#(or (<= (select main_a main_x) 77) (= main_x main_y)), 22556#(or (<= (select main_a main_x) 78) (= main_x main_y)), 22557#(or (<= (select main_a main_x) 79) (= main_x main_y)), 22558#(or (<= (select main_a main_x) 80) (= main_x main_y)), 22559#(or (<= (select main_a main_x) 81) (= main_x main_y)), 22560#(or (<= (select main_a main_x) 82) (= main_x main_y)), 22561#(or (= main_x main_y) (<= (select main_a main_x) 83)), 22562#(or (<= (select main_a main_x) 84) (= main_x main_y)), 22563#(or (<= (select main_a main_x) 85) (= main_x main_y)), 22564#(or (<= (select main_a main_x) 86) (= main_x main_y)), 22565#(or (<= (select main_a main_x) 87) (= main_x main_y)), 22566#(or (<= (select main_a main_x) 88) (= main_x main_y)), 22567#(or (<= (select main_a main_x) 89) (= main_x main_y)), 22568#(or (not (= (select main_a main_x) 1000)) (= main_x main_y)), 22476#true, 22477#false, 22478#(or (= 0 (select main_a main_x)) (= main_x main_y)), 22479#(or (<= (select main_a main_x) 1) (= main_x main_y)), 22480#(or (= main_x main_y) (<= (select main_a main_x) 2)), 22481#(or (= main_x main_y) (<= (select main_a main_x) 3)), 22482#(or (<= (select main_a main_x) 4) (= main_x main_y)), 22483#(or (<= (select main_a main_x) 5) (= main_x main_y)), 22484#(or (<= (select main_a main_x) 6) (= main_x main_y)), 22485#(or (<= (select main_a main_x) 7) (= main_x main_y)), 22486#(or (<= (select main_a main_x) 8) (= main_x main_y)), 22487#(or (= main_x main_y) (<= (select main_a main_x) 9)), 22488#(or (= main_x main_y) (<= (select main_a main_x) 10)), 22489#(or (= main_x main_y) (<= (select main_a main_x) 11)), 22490#(or (<= (select main_a main_x) 12) (= main_x main_y)), 22491#(or (= main_x main_y) (<= (select main_a main_x) 13)), 22492#(or (<= (select main_a main_x) 14) (= main_x main_y)), 22493#(or (<= (select main_a main_x) 15) (= main_x main_y)), 22494#(or (<= (select main_a main_x) 16) (= main_x main_y)), 22495#(or (= main_x main_y) (<= (select main_a main_x) 17)), 22496#(or (<= (select main_a main_x) 18) (= main_x main_y)), 22497#(or (<= (select main_a main_x) 19) (= main_x main_y)), 22498#(or (= main_x main_y) (<= (select main_a main_x) 20)), 22499#(or (<= (select main_a main_x) 21) (= main_x main_y)), 22500#(or (= main_x main_y) (<= (select main_a main_x) 22)), 22501#(or (= main_x main_y) (<= (select main_a main_x) 23)), 22502#(or (<= (select main_a main_x) 24) (= main_x main_y)), 22503#(or (= main_x main_y) (<= (select main_a main_x) 25)), 22504#(or (<= (select main_a main_x) 26) (= main_x main_y)), 22505#(or (<= (select main_a main_x) 27) (= main_x main_y)), 22506#(or (<= (select main_a main_x) 28) (= main_x main_y)), 22507#(or (<= (select main_a main_x) 29) (= main_x main_y)), 22508#(or (= main_x main_y) (<= (select main_a main_x) 30)), 22509#(or (<= (select main_a main_x) 31) (= main_x main_y)), 22510#(or (<= (select main_a main_x) 32) (= main_x main_y)), 22511#(or (<= (select main_a main_x) 33) (= main_x main_y)), 22512#(or (<= (select main_a main_x) 34) (= main_x main_y)), 22513#(or (<= (select main_a main_x) 35) (= main_x main_y)), 22514#(or (<= (select main_a main_x) 36) (= main_x main_y)), 22515#(or (<= (select main_a main_x) 37) (= main_x main_y)), 22516#(or (<= (select main_a main_x) 38) (= main_x main_y)), 22517#(or (<= (select main_a main_x) 39) (= main_x main_y)), 22518#(or (<= (select main_a main_x) 40) (= main_x main_y)), 22519#(or (<= (select main_a main_x) 41) (= main_x main_y)), 22520#(or (<= (select main_a main_x) 42) (= main_x main_y)), 22521#(or (= main_x main_y) (<= (select main_a main_x) 43)), 22522#(or (= main_x main_y) (<= (select main_a main_x) 44)), 22523#(or (= main_x main_y) (<= (select main_a main_x) 45)), 22524#(or (<= (select main_a main_x) 46) (= main_x main_y)), 22525#(or (<= (select main_a main_x) 47) (= main_x main_y)), 22526#(or (<= (select main_a main_x) 48) (= main_x main_y)), 22527#(or (<= (select main_a main_x) 49) (= main_x main_y))] [2018-07-23 13:56:31,720 INFO L134 CoverageAnalysis]: Checked inductivity of 4095 backedges. 0 proven. 4095 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-07-23 13:56:31,721 INFO L450 AbstractCegarLoop]: Interpolant automaton has 93 states [2018-07-23 13:56:31,721 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 93 interpolants. [2018-07-23 13:56:31,722 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=4278, Invalid=4278, Unknown=0, NotChecked=0, Total=8556 [2018-07-23 13:56:31,722 INFO L87 Difference]: Start difference. First operand 94 states and 94 transitions. Second operand 93 states. [2018-07-23 13:56:31,783 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-07-23 13:56:31,783 INFO L93 Difference]: Finished difference Result 97 states and 97 transitions. [2018-07-23 13:56:31,783 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 93 states. [2018-07-23 13:56:31,783 INFO L78 Accepts]: Start accepts. Automaton has 93 states. Word has length 93 [2018-07-23 13:56:31,783 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-07-23 13:56:31,784 INFO L225 Difference]: With dead ends: 97 [2018-07-23 13:56:31,784 INFO L226 Difference]: Without dead ends: 95 [2018-07-23 13:56:31,785 INFO L575 BasicCegarLoop]: 0 DeclaredPredicates, 92 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 91 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.5s TimeCoverageRelationStatistics Valid=4278, Invalid=4278, Unknown=0, NotChecked=0, Total=8556 [2018-07-23 13:56:31,785 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 95 states. [2018-07-23 13:56:31,793 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 95 to 95. [2018-07-23 13:56:31,793 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 95 states. [2018-07-23 13:56:31,793 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 95 states to 95 states and 95 transitions. [2018-07-23 13:56:31,793 INFO L78 Accepts]: Start accepts. Automaton has 95 states and 95 transitions. Word has length 93 [2018-07-23 13:56:31,793 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-07-23 13:56:31,793 INFO L471 AbstractCegarLoop]: Abstraction has 95 states and 95 transitions. [2018-07-23 13:56:31,793 INFO L472 AbstractCegarLoop]: Interpolant automaton has 93 states. [2018-07-23 13:56:31,794 INFO L276 IsEmpty]: Start isEmpty. Operand 95 states and 95 transitions. [2018-07-23 13:56:31,794 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 95 [2018-07-23 13:56:31,794 INFO L349 BasicCegarLoop]: Found error trace [2018-07-23 13:56:31,794 INFO L357 BasicCegarLoop]: trace histogram [91, 1, 1, 1] [2018-07-23 13:56:31,794 INFO L414 AbstractCegarLoop]: === Iteration 92 === [mainErr0AssertViolationASSERT]=== [2018-07-23 13:56:31,794 INFO L82 PathProgramCache]: Analyzing trace with hash 854092230, now seen corresponding path program 91 times [2018-07-23 13:56:31,794 INFO L69 tionRefinementEngine]: Using refinement strategy FixedRefinementStrategy [2018-07-23 13:56:31,864 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-07-23 13:56:32,461 INFO L134 CoverageAnalysis]: Checked inductivity of 4186 backedges. 0 proven. 4186 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-07-23 13:56:32,462 INFO L309 seRefinementStrategy]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2018-07-23 13:56:32,462 INFO L324 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [93] total 93 [2018-07-23 13:56:32,462 INFO L142 lantAutomatonBuilder]: Constructing canonical interpolant automaton, with selfloop in false state [2018-07-23 13:56:32,462 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-07-23 13:56:32,463 INFO L185 omatonBuilderFactory]: Interpolants [23040#(or (<= (select main_a main_x) 85) (= main_x main_y)), 23041#(or (<= (select main_a main_x) 86) (= main_x main_y)), 23042#(or (<= (select main_a main_x) 87) (= main_x main_y)), 23043#(or (<= (select main_a main_x) 88) (= main_x main_y)), 23044#(or (<= (select main_a main_x) 89) (= main_x main_y)), 23045#(or (<= (select main_a main_x) 90) (= main_x main_y)), 23046#(or (not (= (select main_a main_x) 1000)) (= main_x main_y)), 22953#true, 22954#false, 22955#(or (= 0 (select main_a main_x)) (= main_x main_y)), 22956#(or (<= (select main_a main_x) 1) (= main_x main_y)), 22957#(or (= main_x main_y) (<= (select main_a main_x) 2)), 22958#(or (= main_x main_y) (<= (select main_a main_x) 3)), 22959#(or (<= (select main_a main_x) 4) (= main_x main_y)), 22960#(or (<= (select main_a main_x) 5) (= main_x main_y)), 22961#(or (<= (select main_a main_x) 6) (= main_x main_y)), 22962#(or (<= (select main_a main_x) 7) (= main_x main_y)), 22963#(or (<= (select main_a main_x) 8) (= main_x main_y)), 22964#(or (= main_x main_y) (<= (select main_a main_x) 9)), 22965#(or (= main_x main_y) (<= (select main_a main_x) 10)), 22966#(or (= main_x main_y) (<= (select main_a main_x) 11)), 22967#(or (<= (select main_a main_x) 12) (= main_x main_y)), 22968#(or (= main_x main_y) (<= (select main_a main_x) 13)), 22969#(or (<= (select main_a main_x) 14) (= main_x main_y)), 22970#(or (<= (select main_a main_x) 15) (= main_x main_y)), 22971#(or (<= (select main_a main_x) 16) (= main_x main_y)), 22972#(or (= main_x main_y) (<= (select main_a main_x) 17)), 22973#(or (<= (select main_a main_x) 18) (= main_x main_y)), 22974#(or (<= (select main_a main_x) 19) (= main_x main_y)), 22975#(or (= main_x main_y) (<= (select main_a main_x) 20)), 22976#(or (<= (select main_a main_x) 21) (= main_x main_y)), 22977#(or (= main_x main_y) (<= (select main_a main_x) 22)), 22978#(or (= main_x main_y) (<= (select main_a main_x) 23)), 22979#(or (<= (select main_a main_x) 24) (= main_x main_y)), 22980#(or (= main_x main_y) (<= (select main_a main_x) 25)), 22981#(or (<= (select main_a main_x) 26) (= main_x main_y)), 22982#(or (<= (select main_a main_x) 27) (= main_x main_y)), 22983#(or (<= (select main_a main_x) 28) (= main_x main_y)), 22984#(or (<= (select main_a main_x) 29) (= main_x main_y)), 22985#(or (= main_x main_y) (<= (select main_a main_x) 30)), 22986#(or (<= (select main_a main_x) 31) (= main_x main_y)), 22987#(or (<= (select main_a main_x) 32) (= main_x main_y)), 22988#(or (<= (select main_a main_x) 33) (= main_x main_y)), 22989#(or (<= (select main_a main_x) 34) (= main_x main_y)), 22990#(or (<= (select main_a main_x) 35) (= main_x main_y)), 22991#(or (<= (select main_a main_x) 36) (= main_x main_y)), 22992#(or (<= (select main_a main_x) 37) (= main_x main_y)), 22993#(or (<= (select main_a main_x) 38) (= main_x main_y)), 22994#(or (<= (select main_a main_x) 39) (= main_x main_y)), 22995#(or (<= (select main_a main_x) 40) (= main_x main_y)), 22996#(or (<= (select main_a main_x) 41) (= main_x main_y)), 22997#(or (<= (select main_a main_x) 42) (= main_x main_y)), 22998#(or (= main_x main_y) (<= (select main_a main_x) 43)), 22999#(or (= main_x main_y) (<= (select main_a main_x) 44)), 23000#(or (= main_x main_y) (<= (select main_a main_x) 45)), 23001#(or (<= (select main_a main_x) 46) (= main_x main_y)), 23002#(or (<= (select main_a main_x) 47) (= main_x main_y)), 23003#(or (<= (select main_a main_x) 48) (= main_x main_y)), 23004#(or (<= (select main_a main_x) 49) (= main_x main_y)), 23005#(or (<= (select main_a main_x) 50) (= main_x main_y)), 23006#(or (<= (select main_a main_x) 51) (= main_x main_y)), 23007#(or (= main_x main_y) (<= (select main_a main_x) 52)), 23008#(or (<= (select main_a main_x) 53) (= main_x main_y)), 23009#(or (<= (select main_a main_x) 54) (= main_x main_y)), 23010#(or (<= (select main_a main_x) 55) (= main_x main_y)), 23011#(or (= main_x main_y) (<= (select main_a main_x) 56)), 23012#(or (<= (select main_a main_x) 57) (= main_x main_y)), 23013#(or (<= (select main_a main_x) 58) (= main_x main_y)), 23014#(or (= main_x main_y) (<= (select main_a main_x) 59)), 23015#(or (= main_x main_y) (<= (select main_a main_x) 60)), 23016#(or (= main_x main_y) (<= (select main_a main_x) 61)), 23017#(or (<= (select main_a main_x) 62) (= main_x main_y)), 23018#(or (<= (select main_a main_x) 63) (= main_x main_y)), 23019#(or (= main_x main_y) (<= (select main_a main_x) 64)), 23020#(or (<= (select main_a main_x) 65) (= main_x main_y)), 23021#(or (= main_x main_y) (<= (select main_a main_x) 66)), 23022#(or (<= (select main_a main_x) 67) (= main_x main_y)), 23023#(or (= main_x main_y) (<= (select main_a main_x) 68)), 23024#(or (= main_x main_y) (<= (select main_a main_x) 69)), 23025#(or (<= (select main_a main_x) 70) (= main_x main_y)), 23026#(or (<= (select main_a main_x) 71) (= main_x main_y)), 23027#(or (= main_x main_y) (<= (select main_a main_x) 72)), 23028#(or (<= (select main_a main_x) 73) (= main_x main_y)), 23029#(or (= main_x main_y) (<= (select main_a main_x) 74)), 23030#(or (= main_x main_y) (<= (select main_a main_x) 75)), 23031#(or (<= (select main_a main_x) 76) (= main_x main_y)), 23032#(or (<= (select main_a main_x) 77) (= main_x main_y)), 23033#(or (<= (select main_a main_x) 78) (= main_x main_y)), 23034#(or (<= (select main_a main_x) 79) (= main_x main_y)), 23035#(or (<= (select main_a main_x) 80) (= main_x main_y)), 23036#(or (<= (select main_a main_x) 81) (= main_x main_y)), 23037#(or (<= (select main_a main_x) 82) (= main_x main_y)), 23038#(or (= main_x main_y) (<= (select main_a main_x) 83)), 23039#(or (<= (select main_a main_x) 84) (= main_x main_y))] [2018-07-23 13:56:32,463 INFO L134 CoverageAnalysis]: Checked inductivity of 4186 backedges. 0 proven. 4186 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-07-23 13:56:32,463 INFO L450 AbstractCegarLoop]: Interpolant automaton has 94 states [2018-07-23 13:56:32,464 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 94 interpolants. [2018-07-23 13:56:32,464 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=4371, Invalid=4371, Unknown=0, NotChecked=0, Total=8742 [2018-07-23 13:56:32,465 INFO L87 Difference]: Start difference. First operand 95 states and 95 transitions. Second operand 94 states. [2018-07-23 13:56:32,538 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-07-23 13:56:32,538 INFO L93 Difference]: Finished difference Result 98 states and 98 transitions. [2018-07-23 13:56:32,538 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 94 states. [2018-07-23 13:56:32,538 INFO L78 Accepts]: Start accepts. Automaton has 94 states. Word has length 94 [2018-07-23 13:56:32,538 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-07-23 13:56:32,539 INFO L225 Difference]: With dead ends: 98 [2018-07-23 13:56:32,539 INFO L226 Difference]: Without dead ends: 96 [2018-07-23 13:56:32,540 INFO L575 BasicCegarLoop]: 0 DeclaredPredicates, 93 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 92 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.5s TimeCoverageRelationStatistics Valid=4371, Invalid=4371, Unknown=0, NotChecked=0, Total=8742 [2018-07-23 13:56:32,540 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 96 states. [2018-07-23 13:56:32,548 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 96 to 96. [2018-07-23 13:56:32,548 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 96 states. [2018-07-23 13:56:32,549 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 96 states to 96 states and 96 transitions. [2018-07-23 13:56:32,549 INFO L78 Accepts]: Start accepts. Automaton has 96 states and 96 transitions. Word has length 94 [2018-07-23 13:56:32,549 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-07-23 13:56:32,549 INFO L471 AbstractCegarLoop]: Abstraction has 96 states and 96 transitions. [2018-07-23 13:56:32,549 INFO L472 AbstractCegarLoop]: Interpolant automaton has 94 states. [2018-07-23 13:56:32,549 INFO L276 IsEmpty]: Start isEmpty. Operand 96 states and 96 transitions. [2018-07-23 13:56:32,550 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 96 [2018-07-23 13:56:32,550 INFO L349 BasicCegarLoop]: Found error trace [2018-07-23 13:56:32,550 INFO L357 BasicCegarLoop]: trace histogram [92, 1, 1, 1] [2018-07-23 13:56:32,550 INFO L414 AbstractCegarLoop]: === Iteration 93 === [mainErr0AssertViolationASSERT]=== [2018-07-23 13:56:32,550 INFO L82 PathProgramCache]: Analyzing trace with hash 707051488, now seen corresponding path program 92 times [2018-07-23 13:56:32,550 INFO L69 tionRefinementEngine]: Using refinement strategy FixedRefinementStrategy [2018-07-23 13:56:32,621 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-07-23 13:56:33,157 INFO L134 CoverageAnalysis]: Checked inductivity of 4278 backedges. 0 proven. 4278 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-07-23 13:56:33,157 INFO L309 seRefinementStrategy]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2018-07-23 13:56:33,158 INFO L324 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [94] total 94 [2018-07-23 13:56:33,158 INFO L142 lantAutomatonBuilder]: Constructing canonical interpolant automaton, with selfloop in false state [2018-07-23 13:56:33,158 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-07-23 13:56:33,158 INFO L185 omatonBuilderFactory]: Interpolants [23435#true, 23436#false, 23437#(or (= 0 (select main_a main_x)) (= main_x main_y)), 23438#(or (<= (select main_a main_x) 1) (= main_x main_y)), 23439#(or (= main_x main_y) (<= (select main_a main_x) 2)), 23440#(or (= main_x main_y) (<= (select main_a main_x) 3)), 23441#(or (<= (select main_a main_x) 4) (= main_x main_y)), 23442#(or (<= (select main_a main_x) 5) (= main_x main_y)), 23443#(or (<= (select main_a main_x) 6) (= main_x main_y)), 23444#(or (<= (select main_a main_x) 7) (= main_x main_y)), 23445#(or (<= (select main_a main_x) 8) (= main_x main_y)), 23446#(or (= main_x main_y) (<= (select main_a main_x) 9)), 23447#(or (= main_x main_y) (<= (select main_a main_x) 10)), 23448#(or (= main_x main_y) (<= (select main_a main_x) 11)), 23449#(or (<= (select main_a main_x) 12) (= main_x main_y)), 23450#(or (= main_x main_y) (<= (select main_a main_x) 13)), 23451#(or (<= (select main_a main_x) 14) (= main_x main_y)), 23452#(or (<= (select main_a main_x) 15) (= main_x main_y)), 23453#(or (<= (select main_a main_x) 16) (= main_x main_y)), 23454#(or (= main_x main_y) (<= (select main_a main_x) 17)), 23455#(or (<= (select main_a main_x) 18) (= main_x main_y)), 23456#(or (<= (select main_a main_x) 19) (= main_x main_y)), 23457#(or (= main_x main_y) (<= (select main_a main_x) 20)), 23458#(or (<= (select main_a main_x) 21) (= main_x main_y)), 23459#(or (= main_x main_y) (<= (select main_a main_x) 22)), 23460#(or (= main_x main_y) (<= (select main_a main_x) 23)), 23461#(or (<= (select main_a main_x) 24) (= main_x main_y)), 23462#(or (= main_x main_y) (<= (select main_a main_x) 25)), 23463#(or (<= (select main_a main_x) 26) (= main_x main_y)), 23464#(or (<= (select main_a main_x) 27) (= main_x main_y)), 23465#(or (<= (select main_a main_x) 28) (= main_x main_y)), 23466#(or (<= (select main_a main_x) 29) (= main_x main_y)), 23467#(or (= main_x main_y) (<= (select main_a main_x) 30)), 23468#(or (<= (select main_a main_x) 31) (= main_x main_y)), 23469#(or (<= (select main_a main_x) 32) (= main_x main_y)), 23470#(or (<= (select main_a main_x) 33) (= main_x main_y)), 23471#(or (<= (select main_a main_x) 34) (= main_x main_y)), 23472#(or (<= (select main_a main_x) 35) (= main_x main_y)), 23473#(or (<= (select main_a main_x) 36) (= main_x main_y)), 23474#(or (<= (select main_a main_x) 37) (= main_x main_y)), 23475#(or (<= (select main_a main_x) 38) (= main_x main_y)), 23476#(or (<= (select main_a main_x) 39) (= main_x main_y)), 23477#(or (<= (select main_a main_x) 40) (= main_x main_y)), 23478#(or (<= (select main_a main_x) 41) (= main_x main_y)), 23479#(or (<= (select main_a main_x) 42) (= main_x main_y)), 23480#(or (= main_x main_y) (<= (select main_a main_x) 43)), 23481#(or (= main_x main_y) (<= (select main_a main_x) 44)), 23482#(or (= main_x main_y) (<= (select main_a main_x) 45)), 23483#(or (<= (select main_a main_x) 46) (= main_x main_y)), 23484#(or (<= (select main_a main_x) 47) (= main_x main_y)), 23485#(or (<= (select main_a main_x) 48) (= main_x main_y)), 23486#(or (<= (select main_a main_x) 49) (= main_x main_y)), 23487#(or (<= (select main_a main_x) 50) (= main_x main_y)), 23488#(or (<= (select main_a main_x) 51) (= main_x main_y)), 23489#(or (= main_x main_y) (<= (select main_a main_x) 52)), 23490#(or (<= (select main_a main_x) 53) (= main_x main_y)), 23491#(or (<= (select main_a main_x) 54) (= main_x main_y)), 23492#(or (<= (select main_a main_x) 55) (= main_x main_y)), 23493#(or (= main_x main_y) (<= (select main_a main_x) 56)), 23494#(or (<= (select main_a main_x) 57) (= main_x main_y)), 23495#(or (<= (select main_a main_x) 58) (= main_x main_y)), 23496#(or (= main_x main_y) (<= (select main_a main_x) 59)), 23497#(or (= main_x main_y) (<= (select main_a main_x) 60)), 23498#(or (= main_x main_y) (<= (select main_a main_x) 61)), 23499#(or (<= (select main_a main_x) 62) (= main_x main_y)), 23500#(or (<= (select main_a main_x) 63) (= main_x main_y)), 23501#(or (= main_x main_y) (<= (select main_a main_x) 64)), 23502#(or (<= (select main_a main_x) 65) (= main_x main_y)), 23503#(or (= main_x main_y) (<= (select main_a main_x) 66)), 23504#(or (<= (select main_a main_x) 67) (= main_x main_y)), 23505#(or (= main_x main_y) (<= (select main_a main_x) 68)), 23506#(or (= main_x main_y) (<= (select main_a main_x) 69)), 23507#(or (<= (select main_a main_x) 70) (= main_x main_y)), 23508#(or (<= (select main_a main_x) 71) (= main_x main_y)), 23509#(or (= main_x main_y) (<= (select main_a main_x) 72)), 23510#(or (<= (select main_a main_x) 73) (= main_x main_y)), 23511#(or (= main_x main_y) (<= (select main_a main_x) 74)), 23512#(or (= main_x main_y) (<= (select main_a main_x) 75)), 23513#(or (<= (select main_a main_x) 76) (= main_x main_y)), 23514#(or (<= (select main_a main_x) 77) (= main_x main_y)), 23515#(or (<= (select main_a main_x) 78) (= main_x main_y)), 23516#(or (<= (select main_a main_x) 79) (= main_x main_y)), 23517#(or (<= (select main_a main_x) 80) (= main_x main_y)), 23518#(or (<= (select main_a main_x) 81) (= main_x main_y)), 23519#(or (<= (select main_a main_x) 82) (= main_x main_y)), 23520#(or (= main_x main_y) (<= (select main_a main_x) 83)), 23521#(or (<= (select main_a main_x) 84) (= main_x main_y)), 23522#(or (<= (select main_a main_x) 85) (= main_x main_y)), 23523#(or (<= (select main_a main_x) 86) (= main_x main_y)), 23524#(or (<= (select main_a main_x) 87) (= main_x main_y)), 23525#(or (<= (select main_a main_x) 88) (= main_x main_y)), 23526#(or (<= (select main_a main_x) 89) (= main_x main_y)), 23527#(or (<= (select main_a main_x) 90) (= main_x main_y)), 23528#(or (= main_x main_y) (<= (select main_a main_x) 91)), 23529#(or (not (= (select main_a main_x) 1000)) (= main_x main_y))] [2018-07-23 13:56:33,159 INFO L134 CoverageAnalysis]: Checked inductivity of 4278 backedges. 0 proven. 4278 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-07-23 13:56:33,159 INFO L450 AbstractCegarLoop]: Interpolant automaton has 95 states [2018-07-23 13:56:33,160 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 95 interpolants. [2018-07-23 13:56:33,160 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=4465, Invalid=4465, Unknown=0, NotChecked=0, Total=8930 [2018-07-23 13:56:33,160 INFO L87 Difference]: Start difference. First operand 96 states and 96 transitions. Second operand 95 states. [2018-07-23 13:56:33,265 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-07-23 13:56:33,265 INFO L93 Difference]: Finished difference Result 99 states and 99 transitions. [2018-07-23 13:56:33,265 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 95 states. [2018-07-23 13:56:33,265 INFO L78 Accepts]: Start accepts. Automaton has 95 states. Word has length 95 [2018-07-23 13:56:33,265 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-07-23 13:56:33,266 INFO L225 Difference]: With dead ends: 99 [2018-07-23 13:56:33,266 INFO L226 Difference]: Without dead ends: 97 [2018-07-23 13:56:33,267 INFO L575 BasicCegarLoop]: 0 DeclaredPredicates, 94 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 93 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.4s TimeCoverageRelationStatistics Valid=4465, Invalid=4465, Unknown=0, NotChecked=0, Total=8930 [2018-07-23 13:56:33,267 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 97 states. [2018-07-23 13:56:33,275 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 97 to 97. [2018-07-23 13:56:33,275 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 97 states. [2018-07-23 13:56:33,275 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 97 states to 97 states and 97 transitions. [2018-07-23 13:56:33,276 INFO L78 Accepts]: Start accepts. Automaton has 97 states and 97 transitions. Word has length 95 [2018-07-23 13:56:33,276 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-07-23 13:56:33,276 INFO L471 AbstractCegarLoop]: Abstraction has 97 states and 97 transitions. [2018-07-23 13:56:33,276 INFO L472 AbstractCegarLoop]: Interpolant automaton has 95 states. [2018-07-23 13:56:33,276 INFO L276 IsEmpty]: Start isEmpty. Operand 97 states and 97 transitions. [2018-07-23 13:56:33,276 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 97 [2018-07-23 13:56:33,277 INFO L349 BasicCegarLoop]: Found error trace [2018-07-23 13:56:33,277 INFO L357 BasicCegarLoop]: trace histogram [93, 1, 1, 1] [2018-07-23 13:56:33,277 INFO L414 AbstractCegarLoop]: === Iteration 94 === [mainErr0AssertViolationASSERT]=== [2018-07-23 13:56:33,277 INFO L82 PathProgramCache]: Analyzing trace with hash 443755782, now seen corresponding path program 93 times [2018-07-23 13:56:33,277 INFO L69 tionRefinementEngine]: Using refinement strategy FixedRefinementStrategy [2018-07-23 13:56:33,353 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-07-23 13:56:33,983 INFO L134 CoverageAnalysis]: Checked inductivity of 4371 backedges. 0 proven. 4371 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-07-23 13:56:33,984 INFO L309 seRefinementStrategy]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2018-07-23 13:56:33,984 INFO L324 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [95] total 95 [2018-07-23 13:56:33,984 INFO L142 lantAutomatonBuilder]: Constructing canonical interpolant automaton, with selfloop in false state [2018-07-23 13:56:33,984 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-07-23 13:56:33,984 INFO L185 omatonBuilderFactory]: Interpolants [23936#(or (<= (select main_a main_x) 12) (= main_x main_y)), 23937#(or (= main_x main_y) (<= (select main_a main_x) 13)), 23938#(or (<= (select main_a main_x) 14) (= main_x main_y)), 23939#(or (<= (select main_a main_x) 15) (= main_x main_y)), 23940#(or (<= (select main_a main_x) 16) (= main_x main_y)), 23941#(or (= main_x main_y) (<= (select main_a main_x) 17)), 23942#(or (<= (select main_a main_x) 18) (= main_x main_y)), 23943#(or (<= (select main_a main_x) 19) (= main_x main_y)), 23944#(or (= main_x main_y) (<= (select main_a main_x) 20)), 23945#(or (<= (select main_a main_x) 21) (= main_x main_y)), 23946#(or (= main_x main_y) (<= (select main_a main_x) 22)), 23947#(or (= main_x main_y) (<= (select main_a main_x) 23)), 23948#(or (<= (select main_a main_x) 24) (= main_x main_y)), 23949#(or (= main_x main_y) (<= (select main_a main_x) 25)), 23950#(or (<= (select main_a main_x) 26) (= main_x main_y)), 23951#(or (<= (select main_a main_x) 27) (= main_x main_y)), 23952#(or (<= (select main_a main_x) 28) (= main_x main_y)), 23953#(or (<= (select main_a main_x) 29) (= main_x main_y)), 23954#(or (= main_x main_y) (<= (select main_a main_x) 30)), 23955#(or (<= (select main_a main_x) 31) (= main_x main_y)), 23956#(or (<= (select main_a main_x) 32) (= main_x main_y)), 23957#(or (<= (select main_a main_x) 33) (= main_x main_y)), 23958#(or (<= (select main_a main_x) 34) (= main_x main_y)), 23959#(or (<= (select main_a main_x) 35) (= main_x main_y)), 23960#(or (<= (select main_a main_x) 36) (= main_x main_y)), 23961#(or (<= (select main_a main_x) 37) (= main_x main_y)), 23962#(or (<= (select main_a main_x) 38) (= main_x main_y)), 23963#(or (<= (select main_a main_x) 39) (= main_x main_y)), 23964#(or (<= (select main_a main_x) 40) (= main_x main_y)), 23965#(or (<= (select main_a main_x) 41) (= main_x main_y)), 23966#(or (<= (select main_a main_x) 42) (= main_x main_y)), 23967#(or (= main_x main_y) (<= (select main_a main_x) 43)), 23968#(or (= main_x main_y) (<= (select main_a main_x) 44)), 23969#(or (= main_x main_y) (<= (select main_a main_x) 45)), 23970#(or (<= (select main_a main_x) 46) (= main_x main_y)), 23971#(or (<= (select main_a main_x) 47) (= main_x main_y)), 23972#(or (<= (select main_a main_x) 48) (= main_x main_y)), 23973#(or (<= (select main_a main_x) 49) (= main_x main_y)), 23974#(or (<= (select main_a main_x) 50) (= main_x main_y)), 23975#(or (<= (select main_a main_x) 51) (= main_x main_y)), 23976#(or (= main_x main_y) (<= (select main_a main_x) 52)), 23977#(or (<= (select main_a main_x) 53) (= main_x main_y)), 23978#(or (<= (select main_a main_x) 54) (= main_x main_y)), 23979#(or (<= (select main_a main_x) 55) (= main_x main_y)), 23980#(or (= main_x main_y) (<= (select main_a main_x) 56)), 23981#(or (<= (select main_a main_x) 57) (= main_x main_y)), 23982#(or (<= (select main_a main_x) 58) (= main_x main_y)), 23983#(or (= main_x main_y) (<= (select main_a main_x) 59)), 23984#(or (= main_x main_y) (<= (select main_a main_x) 60)), 23985#(or (= main_x main_y) (<= (select main_a main_x) 61)), 23986#(or (<= (select main_a main_x) 62) (= main_x main_y)), 23987#(or (<= (select main_a main_x) 63) (= main_x main_y)), 23988#(or (= main_x main_y) (<= (select main_a main_x) 64)), 23989#(or (<= (select main_a main_x) 65) (= main_x main_y)), 23990#(or (= main_x main_y) (<= (select main_a main_x) 66)), 23991#(or (<= (select main_a main_x) 67) (= main_x main_y)), 23992#(or (= main_x main_y) (<= (select main_a main_x) 68)), 23993#(or (= main_x main_y) (<= (select main_a main_x) 69)), 23994#(or (<= (select main_a main_x) 70) (= main_x main_y)), 23995#(or (<= (select main_a main_x) 71) (= main_x main_y)), 23996#(or (= main_x main_y) (<= (select main_a main_x) 72)), 23997#(or (<= (select main_a main_x) 73) (= main_x main_y)), 23998#(or (= main_x main_y) (<= (select main_a main_x) 74)), 23999#(or (= main_x main_y) (<= (select main_a main_x) 75)), 24000#(or (<= (select main_a main_x) 76) (= main_x main_y)), 24001#(or (<= (select main_a main_x) 77) (= main_x main_y)), 24002#(or (<= (select main_a main_x) 78) (= main_x main_y)), 24003#(or (<= (select main_a main_x) 79) (= main_x main_y)), 24004#(or (<= (select main_a main_x) 80) (= main_x main_y)), 24005#(or (<= (select main_a main_x) 81) (= main_x main_y)), 24006#(or (<= (select main_a main_x) 82) (= main_x main_y)), 24007#(or (= main_x main_y) (<= (select main_a main_x) 83)), 24008#(or (<= (select main_a main_x) 84) (= main_x main_y)), 24009#(or (<= (select main_a main_x) 85) (= main_x main_y)), 24010#(or (<= (select main_a main_x) 86) (= main_x main_y)), 24011#(or (<= (select main_a main_x) 87) (= main_x main_y)), 24012#(or (<= (select main_a main_x) 88) (= main_x main_y)), 24013#(or (<= (select main_a main_x) 89) (= main_x main_y)), 24014#(or (<= (select main_a main_x) 90) (= main_x main_y)), 24015#(or (= main_x main_y) (<= (select main_a main_x) 91)), 24016#(or (<= (select main_a main_x) 92) (= main_x main_y)), 24017#(or (not (= (select main_a main_x) 1000)) (= main_x main_y)), 23922#true, 23923#false, 23924#(or (= 0 (select main_a main_x)) (= main_x main_y)), 23925#(or (<= (select main_a main_x) 1) (= main_x main_y)), 23926#(or (= main_x main_y) (<= (select main_a main_x) 2)), 23927#(or (= main_x main_y) (<= (select main_a main_x) 3)), 23928#(or (<= (select main_a main_x) 4) (= main_x main_y)), 23929#(or (<= (select main_a main_x) 5) (= main_x main_y)), 23930#(or (<= (select main_a main_x) 6) (= main_x main_y)), 23931#(or (<= (select main_a main_x) 7) (= main_x main_y)), 23932#(or (<= (select main_a main_x) 8) (= main_x main_y)), 23933#(or (= main_x main_y) (<= (select main_a main_x) 9)), 23934#(or (= main_x main_y) (<= (select main_a main_x) 10)), 23935#(or (= main_x main_y) (<= (select main_a main_x) 11))] [2018-07-23 13:56:33,985 INFO L134 CoverageAnalysis]: Checked inductivity of 4371 backedges. 0 proven. 4371 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-07-23 13:56:33,985 INFO L450 AbstractCegarLoop]: Interpolant automaton has 96 states [2018-07-23 13:56:33,986 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 96 interpolants. [2018-07-23 13:56:33,986 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=4560, Invalid=4560, Unknown=0, NotChecked=0, Total=9120 [2018-07-23 13:56:33,986 INFO L87 Difference]: Start difference. First operand 97 states and 97 transitions. Second operand 96 states. [2018-07-23 13:56:34,098 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-07-23 13:56:34,099 INFO L93 Difference]: Finished difference Result 100 states and 100 transitions. [2018-07-23 13:56:34,099 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 96 states. [2018-07-23 13:56:34,099 INFO L78 Accepts]: Start accepts. Automaton has 96 states. Word has length 96 [2018-07-23 13:56:34,099 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-07-23 13:56:34,099 INFO L225 Difference]: With dead ends: 100 [2018-07-23 13:56:34,100 INFO L226 Difference]: Without dead ends: 98 [2018-07-23 13:56:34,100 INFO L575 BasicCegarLoop]: 0 DeclaredPredicates, 95 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 94 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.5s TimeCoverageRelationStatistics Valid=4560, Invalid=4560, Unknown=0, NotChecked=0, Total=9120 [2018-07-23 13:56:34,101 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 98 states. [2018-07-23 13:56:34,106 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 98 to 98. [2018-07-23 13:56:34,106 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 98 states. [2018-07-23 13:56:34,107 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 98 states to 98 states and 98 transitions. [2018-07-23 13:56:34,107 INFO L78 Accepts]: Start accepts. Automaton has 98 states and 98 transitions. Word has length 96 [2018-07-23 13:56:34,107 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-07-23 13:56:34,107 INFO L471 AbstractCegarLoop]: Abstraction has 98 states and 98 transitions. [2018-07-23 13:56:34,107 INFO L472 AbstractCegarLoop]: Interpolant automaton has 96 states. [2018-07-23 13:56:34,107 INFO L276 IsEmpty]: Start isEmpty. Operand 98 states and 98 transitions. [2018-07-23 13:56:34,107 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 98 [2018-07-23 13:56:34,108 INFO L349 BasicCegarLoop]: Found error trace [2018-07-23 13:56:34,108 INFO L357 BasicCegarLoop]: trace histogram [94, 1, 1, 1] [2018-07-23 13:56:34,108 INFO L414 AbstractCegarLoop]: === Iteration 95 === [mainErr0AssertViolationASSERT]=== [2018-07-23 13:56:34,108 INFO L82 PathProgramCache]: Analyzing trace with hash 871523488, now seen corresponding path program 94 times [2018-07-23 13:56:34,108 INFO L69 tionRefinementEngine]: Using refinement strategy FixedRefinementStrategy [2018-07-23 13:56:34,181 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-07-23 13:56:34,762 INFO L134 CoverageAnalysis]: Checked inductivity of 4465 backedges. 0 proven. 4465 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-07-23 13:56:34,763 INFO L309 seRefinementStrategy]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2018-07-23 13:56:34,763 INFO L324 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [96] total 96 [2018-07-23 13:56:34,763 INFO L142 lantAutomatonBuilder]: Constructing canonical interpolant automaton, with selfloop in false state [2018-07-23 13:56:34,763 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-07-23 13:56:34,764 INFO L185 omatonBuilderFactory]: Interpolants [24414#true, 24415#false, 24416#(or (= 0 (select main_a main_x)) (= main_x main_y)), 24417#(or (<= (select main_a main_x) 1) (= main_x main_y)), 24418#(or (= main_x main_y) (<= (select main_a main_x) 2)), 24419#(or (= main_x main_y) (<= (select main_a main_x) 3)), 24420#(or (<= (select main_a main_x) 4) (= main_x main_y)), 24421#(or (<= (select main_a main_x) 5) (= main_x main_y)), 24422#(or (<= (select main_a main_x) 6) (= main_x main_y)), 24423#(or (<= (select main_a main_x) 7) (= main_x main_y)), 24424#(or (<= (select main_a main_x) 8) (= main_x main_y)), 24425#(or (= main_x main_y) (<= (select main_a main_x) 9)), 24426#(or (= main_x main_y) (<= (select main_a main_x) 10)), 24427#(or (= main_x main_y) (<= (select main_a main_x) 11)), 24428#(or (<= (select main_a main_x) 12) (= main_x main_y)), 24429#(or (= main_x main_y) (<= (select main_a main_x) 13)), 24430#(or (<= (select main_a main_x) 14) (= main_x main_y)), 24431#(or (<= (select main_a main_x) 15) (= main_x main_y)), 24432#(or (<= (select main_a main_x) 16) (= main_x main_y)), 24433#(or (= main_x main_y) (<= (select main_a main_x) 17)), 24434#(or (<= (select main_a main_x) 18) (= main_x main_y)), 24435#(or (<= (select main_a main_x) 19) (= main_x main_y)), 24436#(or (= main_x main_y) (<= (select main_a main_x) 20)), 24437#(or (<= (select main_a main_x) 21) (= main_x main_y)), 24438#(or (= main_x main_y) (<= (select main_a main_x) 22)), 24439#(or (= main_x main_y) (<= (select main_a main_x) 23)), 24440#(or (<= (select main_a main_x) 24) (= main_x main_y)), 24441#(or (= main_x main_y) (<= (select main_a main_x) 25)), 24442#(or (<= (select main_a main_x) 26) (= main_x main_y)), 24443#(or (<= (select main_a main_x) 27) (= main_x main_y)), 24444#(or (<= (select main_a main_x) 28) (= main_x main_y)), 24445#(or (<= (select main_a main_x) 29) (= main_x main_y)), 24446#(or (= main_x main_y) (<= (select main_a main_x) 30)), 24447#(or (<= (select main_a main_x) 31) (= main_x main_y)), 24448#(or (<= (select main_a main_x) 32) (= main_x main_y)), 24449#(or (<= (select main_a main_x) 33) (= main_x main_y)), 24450#(or (<= (select main_a main_x) 34) (= main_x main_y)), 24451#(or (<= (select main_a main_x) 35) (= main_x main_y)), 24452#(or (<= (select main_a main_x) 36) (= main_x main_y)), 24453#(or (<= (select main_a main_x) 37) (= main_x main_y)), 24454#(or (<= (select main_a main_x) 38) (= main_x main_y)), 24455#(or (<= (select main_a main_x) 39) (= main_x main_y)), 24456#(or (<= (select main_a main_x) 40) (= main_x main_y)), 24457#(or (<= (select main_a main_x) 41) (= main_x main_y)), 24458#(or (<= (select main_a main_x) 42) (= main_x main_y)), 24459#(or (= main_x main_y) (<= (select main_a main_x) 43)), 24460#(or (= main_x main_y) (<= (select main_a main_x) 44)), 24461#(or (= main_x main_y) (<= (select main_a main_x) 45)), 24462#(or (<= (select main_a main_x) 46) (= main_x main_y)), 24463#(or (<= (select main_a main_x) 47) (= main_x main_y)), 24464#(or (<= (select main_a main_x) 48) (= main_x main_y)), 24465#(or (<= (select main_a main_x) 49) (= main_x main_y)), 24466#(or (<= (select main_a main_x) 50) (= main_x main_y)), 24467#(or (<= (select main_a main_x) 51) (= main_x main_y)), 24468#(or (= main_x main_y) (<= (select main_a main_x) 52)), 24469#(or (<= (select main_a main_x) 53) (= main_x main_y)), 24470#(or (<= (select main_a main_x) 54) (= main_x main_y)), 24471#(or (<= (select main_a main_x) 55) (= main_x main_y)), 24472#(or (= main_x main_y) (<= (select main_a main_x) 56)), 24473#(or (<= (select main_a main_x) 57) (= main_x main_y)), 24474#(or (<= (select main_a main_x) 58) (= main_x main_y)), 24475#(or (= main_x main_y) (<= (select main_a main_x) 59)), 24476#(or (= main_x main_y) (<= (select main_a main_x) 60)), 24477#(or (= main_x main_y) (<= (select main_a main_x) 61)), 24478#(or (<= (select main_a main_x) 62) (= main_x main_y)), 24479#(or (<= (select main_a main_x) 63) (= main_x main_y)), 24480#(or (= main_x main_y) (<= (select main_a main_x) 64)), 24481#(or (<= (select main_a main_x) 65) (= main_x main_y)), 24482#(or (= main_x main_y) (<= (select main_a main_x) 66)), 24483#(or (<= (select main_a main_x) 67) (= main_x main_y)), 24484#(or (= main_x main_y) (<= (select main_a main_x) 68)), 24485#(or (= main_x main_y) (<= (select main_a main_x) 69)), 24486#(or (<= (select main_a main_x) 70) (= main_x main_y)), 24487#(or (<= (select main_a main_x) 71) (= main_x main_y)), 24488#(or (= main_x main_y) (<= (select main_a main_x) 72)), 24489#(or (<= (select main_a main_x) 73) (= main_x main_y)), 24490#(or (= main_x main_y) (<= (select main_a main_x) 74)), 24491#(or (= main_x main_y) (<= (select main_a main_x) 75)), 24492#(or (<= (select main_a main_x) 76) (= main_x main_y)), 24493#(or (<= (select main_a main_x) 77) (= main_x main_y)), 24494#(or (<= (select main_a main_x) 78) (= main_x main_y)), 24495#(or (<= (select main_a main_x) 79) (= main_x main_y)), 24496#(or (<= (select main_a main_x) 80) (= main_x main_y)), 24497#(or (<= (select main_a main_x) 81) (= main_x main_y)), 24498#(or (<= (select main_a main_x) 82) (= main_x main_y)), 24499#(or (= main_x main_y) (<= (select main_a main_x) 83)), 24500#(or (<= (select main_a main_x) 84) (= main_x main_y)), 24501#(or (<= (select main_a main_x) 85) (= main_x main_y)), 24502#(or (<= (select main_a main_x) 86) (= main_x main_y)), 24503#(or (<= (select main_a main_x) 87) (= main_x main_y)), 24504#(or (<= (select main_a main_x) 88) (= main_x main_y)), 24505#(or (<= (select main_a main_x) 89) (= main_x main_y)), 24506#(or (<= (select main_a main_x) 90) (= main_x main_y)), 24507#(or (= main_x main_y) (<= (select main_a main_x) 91)), 24508#(or (<= (select main_a main_x) 92) (= main_x main_y)), 24509#(or (<= (select main_a main_x) 93) (= main_x main_y)), 24510#(or (not (= (select main_a main_x) 1000)) (= main_x main_y))] [2018-07-23 13:56:34,764 INFO L134 CoverageAnalysis]: Checked inductivity of 4465 backedges. 0 proven. 4465 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-07-23 13:56:34,764 INFO L450 AbstractCegarLoop]: Interpolant automaton has 97 states [2018-07-23 13:56:34,765 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 97 interpolants. [2018-07-23 13:56:34,765 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=4656, Invalid=4656, Unknown=0, NotChecked=0, Total=9312 [2018-07-23 13:56:34,766 INFO L87 Difference]: Start difference. First operand 98 states and 98 transitions. Second operand 97 states. [2018-07-23 13:56:34,848 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-07-23 13:56:34,849 INFO L93 Difference]: Finished difference Result 101 states and 101 transitions. [2018-07-23 13:56:34,849 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 97 states. [2018-07-23 13:56:34,849 INFO L78 Accepts]: Start accepts. Automaton has 97 states. Word has length 97 [2018-07-23 13:56:34,849 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-07-23 13:56:34,850 INFO L225 Difference]: With dead ends: 101 [2018-07-23 13:56:34,850 INFO L226 Difference]: Without dead ends: 99 [2018-07-23 13:56:34,851 INFO L575 BasicCegarLoop]: 0 DeclaredPredicates, 96 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 95 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.5s TimeCoverageRelationStatistics Valid=4656, Invalid=4656, Unknown=0, NotChecked=0, Total=9312 [2018-07-23 13:56:34,851 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 99 states. [2018-07-23 13:56:34,859 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 99 to 99. [2018-07-23 13:56:34,859 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 99 states. [2018-07-23 13:56:34,860 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 99 states to 99 states and 99 transitions. [2018-07-23 13:56:34,860 INFO L78 Accepts]: Start accepts. Automaton has 99 states and 99 transitions. Word has length 97 [2018-07-23 13:56:34,860 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-07-23 13:56:34,860 INFO L471 AbstractCegarLoop]: Abstraction has 99 states and 99 transitions. [2018-07-23 13:56:34,860 INFO L472 AbstractCegarLoop]: Interpolant automaton has 97 states. [2018-07-23 13:56:34,861 INFO L276 IsEmpty]: Start isEmpty. Operand 99 states and 99 transitions. [2018-07-23 13:56:34,861 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 99 [2018-07-23 13:56:34,861 INFO L349 BasicCegarLoop]: Found error trace [2018-07-23 13:56:34,861 INFO L357 BasicCegarLoop]: trace histogram [95, 1, 1, 1] [2018-07-23 13:56:34,861 INFO L414 AbstractCegarLoop]: === Iteration 96 === [mainErr0AssertViolationASSERT]=== [2018-07-23 13:56:34,862 INFO L82 PathProgramCache]: Analyzing trace with hash 1247420486, now seen corresponding path program 95 times [2018-07-23 13:56:34,862 INFO L69 tionRefinementEngine]: Using refinement strategy FixedRefinementStrategy [2018-07-23 13:56:34,984 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-07-23 13:56:35,815 INFO L134 CoverageAnalysis]: Checked inductivity of 4560 backedges. 0 proven. 4560 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-07-23 13:56:35,816 INFO L309 seRefinementStrategy]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2018-07-23 13:56:35,816 INFO L324 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [97] total 97 [2018-07-23 13:56:35,816 INFO L142 lantAutomatonBuilder]: Constructing canonical interpolant automaton, with selfloop in false state [2018-07-23 13:56:35,816 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-07-23 13:56:35,816 INFO L185 omatonBuilderFactory]: Interpolants [24911#true, 24912#false, 24913#(or (= 0 (select main_a main_x)) (= main_x main_y)), 24914#(or (<= (select main_a main_x) 1) (= main_x main_y)), 24915#(or (= main_x main_y) (<= (select main_a main_x) 2)), 24916#(or (= main_x main_y) (<= (select main_a main_x) 3)), 24917#(or (<= (select main_a main_x) 4) (= main_x main_y)), 24918#(or (<= (select main_a main_x) 5) (= main_x main_y)), 24919#(or (<= (select main_a main_x) 6) (= main_x main_y)), 24920#(or (<= (select main_a main_x) 7) (= main_x main_y)), 24921#(or (<= (select main_a main_x) 8) (= main_x main_y)), 24922#(or (= main_x main_y) (<= (select main_a main_x) 9)), 24923#(or (= main_x main_y) (<= (select main_a main_x) 10)), 24924#(or (= main_x main_y) (<= (select main_a main_x) 11)), 24925#(or (<= (select main_a main_x) 12) (= main_x main_y)), 24926#(or (= main_x main_y) (<= (select main_a main_x) 13)), 24927#(or (<= (select main_a main_x) 14) (= main_x main_y)), 24928#(or (<= (select main_a main_x) 15) (= main_x main_y)), 24929#(or (<= (select main_a main_x) 16) (= main_x main_y)), 24930#(or (= main_x main_y) (<= (select main_a main_x) 17)), 24931#(or (<= (select main_a main_x) 18) (= main_x main_y)), 24932#(or (<= (select main_a main_x) 19) (= main_x main_y)), 24933#(or (= main_x main_y) (<= (select main_a main_x) 20)), 24934#(or (<= (select main_a main_x) 21) (= main_x main_y)), 24935#(or (= main_x main_y) (<= (select main_a main_x) 22)), 24936#(or (= main_x main_y) (<= (select main_a main_x) 23)), 24937#(or (<= (select main_a main_x) 24) (= main_x main_y)), 24938#(or (= main_x main_y) (<= (select main_a main_x) 25)), 24939#(or (<= (select main_a main_x) 26) (= main_x main_y)), 24940#(or (<= (select main_a main_x) 27) (= main_x main_y)), 24941#(or (<= (select main_a main_x) 28) (= main_x main_y)), 24942#(or (<= (select main_a main_x) 29) (= main_x main_y)), 24943#(or (= main_x main_y) (<= (select main_a main_x) 30)), 24944#(or (<= (select main_a main_x) 31) (= main_x main_y)), 24945#(or (<= (select main_a main_x) 32) (= main_x main_y)), 24946#(or (<= (select main_a main_x) 33) (= main_x main_y)), 24947#(or (<= (select main_a main_x) 34) (= main_x main_y)), 24948#(or (<= (select main_a main_x) 35) (= main_x main_y)), 24949#(or (<= (select main_a main_x) 36) (= main_x main_y)), 24950#(or (<= (select main_a main_x) 37) (= main_x main_y)), 24951#(or (<= (select main_a main_x) 38) (= main_x main_y)), 24952#(or (<= (select main_a main_x) 39) (= main_x main_y)), 24953#(or (<= (select main_a main_x) 40) (= main_x main_y)), 24954#(or (<= (select main_a main_x) 41) (= main_x main_y)), 24955#(or (<= (select main_a main_x) 42) (= main_x main_y)), 24956#(or (= main_x main_y) (<= (select main_a main_x) 43)), 24957#(or (= main_x main_y) (<= (select main_a main_x) 44)), 24958#(or (= main_x main_y) (<= (select main_a main_x) 45)), 24959#(or (<= (select main_a main_x) 46) (= main_x main_y)), 24960#(or (<= (select main_a main_x) 47) (= main_x main_y)), 24961#(or (<= (select main_a main_x) 48) (= main_x main_y)), 24962#(or (<= (select main_a main_x) 49) (= main_x main_y)), 24963#(or (<= (select main_a main_x) 50) (= main_x main_y)), 24964#(or (<= (select main_a main_x) 51) (= main_x main_y)), 24965#(or (= main_x main_y) (<= (select main_a main_x) 52)), 24966#(or (<= (select main_a main_x) 53) (= main_x main_y)), 24967#(or (<= (select main_a main_x) 54) (= main_x main_y)), 24968#(or (<= (select main_a main_x) 55) (= main_x main_y)), 24969#(or (= main_x main_y) (<= (select main_a main_x) 56)), 24970#(or (<= (select main_a main_x) 57) (= main_x main_y)), 24971#(or (<= (select main_a main_x) 58) (= main_x main_y)), 24972#(or (= main_x main_y) (<= (select main_a main_x) 59)), 24973#(or (= main_x main_y) (<= (select main_a main_x) 60)), 24974#(or (= main_x main_y) (<= (select main_a main_x) 61)), 24975#(or (<= (select main_a main_x) 62) (= main_x main_y)), 24976#(or (<= (select main_a main_x) 63) (= main_x main_y)), 24977#(or (= main_x main_y) (<= (select main_a main_x) 64)), 24978#(or (<= (select main_a main_x) 65) (= main_x main_y)), 24979#(or (= main_x main_y) (<= (select main_a main_x) 66)), 24980#(or (<= (select main_a main_x) 67) (= main_x main_y)), 24981#(or (= main_x main_y) (<= (select main_a main_x) 68)), 24982#(or (= main_x main_y) (<= (select main_a main_x) 69)), 24983#(or (<= (select main_a main_x) 70) (= main_x main_y)), 24984#(or (<= (select main_a main_x) 71) (= main_x main_y)), 24985#(or (= main_x main_y) (<= (select main_a main_x) 72)), 24986#(or (<= (select main_a main_x) 73) (= main_x main_y)), 24987#(or (= main_x main_y) (<= (select main_a main_x) 74)), 24988#(or (= main_x main_y) (<= (select main_a main_x) 75)), 24989#(or (<= (select main_a main_x) 76) (= main_x main_y)), 24990#(or (<= (select main_a main_x) 77) (= main_x main_y)), 24991#(or (<= (select main_a main_x) 78) (= main_x main_y)), 24992#(or (<= (select main_a main_x) 79) (= main_x main_y)), 24993#(or (<= (select main_a main_x) 80) (= main_x main_y)), 24994#(or (<= (select main_a main_x) 81) (= main_x main_y)), 24995#(or (<= (select main_a main_x) 82) (= main_x main_y)), 24996#(or (= main_x main_y) (<= (select main_a main_x) 83)), 24997#(or (<= (select main_a main_x) 84) (= main_x main_y)), 24998#(or (<= (select main_a main_x) 85) (= main_x main_y)), 24999#(or (<= (select main_a main_x) 86) (= main_x main_y)), 25000#(or (<= (select main_a main_x) 87) (= main_x main_y)), 25001#(or (<= (select main_a main_x) 88) (= main_x main_y)), 25002#(or (<= (select main_a main_x) 89) (= main_x main_y)), 25003#(or (<= (select main_a main_x) 90) (= main_x main_y)), 25004#(or (= main_x main_y) (<= (select main_a main_x) 91)), 25005#(or (<= (select main_a main_x) 92) (= main_x main_y)), 25006#(or (<= (select main_a main_x) 93) (= main_x main_y)), 25007#(or (= main_x main_y) (<= (select main_a main_x) 94)), 25008#(or (not (= (select main_a main_x) 1000)) (= main_x main_y))] [2018-07-23 13:56:35,817 INFO L134 CoverageAnalysis]: Checked inductivity of 4560 backedges. 0 proven. 4560 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-07-23 13:56:35,817 INFO L450 AbstractCegarLoop]: Interpolant automaton has 98 states [2018-07-23 13:56:35,817 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 98 interpolants. [2018-07-23 13:56:35,818 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=4753, Invalid=4753, Unknown=0, NotChecked=0, Total=9506 [2018-07-23 13:56:35,818 INFO L87 Difference]: Start difference. First operand 99 states and 99 transitions. Second operand 98 states. [2018-07-23 13:56:35,877 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-07-23 13:56:35,877 INFO L93 Difference]: Finished difference Result 102 states and 102 transitions. [2018-07-23 13:56:35,877 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 98 states. [2018-07-23 13:56:35,877 INFO L78 Accepts]: Start accepts. Automaton has 98 states. Word has length 98 [2018-07-23 13:56:35,877 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-07-23 13:56:35,878 INFO L225 Difference]: With dead ends: 102 [2018-07-23 13:56:35,878 INFO L226 Difference]: Without dead ends: 100 [2018-07-23 13:56:35,879 INFO L575 BasicCegarLoop]: 0 DeclaredPredicates, 97 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 96 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.7s TimeCoverageRelationStatistics Valid=4753, Invalid=4753, Unknown=0, NotChecked=0, Total=9506 [2018-07-23 13:56:35,879 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 100 states. [2018-07-23 13:56:35,885 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 100 to 100. [2018-07-23 13:56:35,885 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 100 states. [2018-07-23 13:56:35,885 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 100 states to 100 states and 100 transitions. [2018-07-23 13:56:35,885 INFO L78 Accepts]: Start accepts. Automaton has 100 states and 100 transitions. Word has length 98 [2018-07-23 13:56:35,885 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-07-23 13:56:35,885 INFO L471 AbstractCegarLoop]: Abstraction has 100 states and 100 transitions. [2018-07-23 13:56:35,886 INFO L472 AbstractCegarLoop]: Interpolant automaton has 98 states. [2018-07-23 13:56:35,886 INFO L276 IsEmpty]: Start isEmpty. Operand 100 states and 100 transitions. [2018-07-23 13:56:35,886 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 100 [2018-07-23 13:56:35,886 INFO L349 BasicCegarLoop]: Found error trace [2018-07-23 13:56:35,886 INFO L357 BasicCegarLoop]: trace histogram [96, 1, 1, 1] [2018-07-23 13:56:35,886 INFO L414 AbstractCegarLoop]: === Iteration 97 === [mainErr0AssertViolationASSERT]=== [2018-07-23 13:56:35,887 INFO L82 PathProgramCache]: Analyzing trace with hash 15325536, now seen corresponding path program 96 times [2018-07-23 13:56:35,887 INFO L69 tionRefinementEngine]: Using refinement strategy FixedRefinementStrategy [2018-07-23 13:56:35,962 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-07-23 13:56:36,525 INFO L134 CoverageAnalysis]: Checked inductivity of 4656 backedges. 0 proven. 4656 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-07-23 13:56:36,525 INFO L309 seRefinementStrategy]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2018-07-23 13:56:36,525 INFO L324 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [98] total 98 [2018-07-23 13:56:36,525 INFO L142 lantAutomatonBuilder]: Constructing canonical interpolant automaton, with selfloop in false state [2018-07-23 13:56:36,525 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-07-23 13:56:36,526 INFO L185 omatonBuilderFactory]: Interpolants [25413#true, 25414#false, 25415#(or (= 0 (select main_a main_x)) (= main_x main_y)), 25416#(or (<= (select main_a main_x) 1) (= main_x main_y)), 25417#(or (= main_x main_y) (<= (select main_a main_x) 2)), 25418#(or (= main_x main_y) (<= (select main_a main_x) 3)), 25419#(or (<= (select main_a main_x) 4) (= main_x main_y)), 25420#(or (<= (select main_a main_x) 5) (= main_x main_y)), 25421#(or (<= (select main_a main_x) 6) (= main_x main_y)), 25422#(or (<= (select main_a main_x) 7) (= main_x main_y)), 25423#(or (<= (select main_a main_x) 8) (= main_x main_y)), 25424#(or (= main_x main_y) (<= (select main_a main_x) 9)), 25425#(or (= main_x main_y) (<= (select main_a main_x) 10)), 25426#(or (= main_x main_y) (<= (select main_a main_x) 11)), 25427#(or (<= (select main_a main_x) 12) (= main_x main_y)), 25428#(or (= main_x main_y) (<= (select main_a main_x) 13)), 25429#(or (<= (select main_a main_x) 14) (= main_x main_y)), 25430#(or (<= (select main_a main_x) 15) (= main_x main_y)), 25431#(or (<= (select main_a main_x) 16) (= main_x main_y)), 25432#(or (= main_x main_y) (<= (select main_a main_x) 17)), 25433#(or (<= (select main_a main_x) 18) (= main_x main_y)), 25434#(or (<= (select main_a main_x) 19) (= main_x main_y)), 25435#(or (= main_x main_y) (<= (select main_a main_x) 20)), 25436#(or (<= (select main_a main_x) 21) (= main_x main_y)), 25437#(or (= main_x main_y) (<= (select main_a main_x) 22)), 25438#(or (= main_x main_y) (<= (select main_a main_x) 23)), 25439#(or (<= (select main_a main_x) 24) (= main_x main_y)), 25440#(or (= main_x main_y) (<= (select main_a main_x) 25)), 25441#(or (<= (select main_a main_x) 26) (= main_x main_y)), 25442#(or (<= (select main_a main_x) 27) (= main_x main_y)), 25443#(or (<= (select main_a main_x) 28) (= main_x main_y)), 25444#(or (<= (select main_a main_x) 29) (= main_x main_y)), 25445#(or (= main_x main_y) (<= (select main_a main_x) 30)), 25446#(or (<= (select main_a main_x) 31) (= main_x main_y)), 25447#(or (<= (select main_a main_x) 32) (= main_x main_y)), 25448#(or (<= (select main_a main_x) 33) (= main_x main_y)), 25449#(or (<= (select main_a main_x) 34) (= main_x main_y)), 25450#(or (<= (select main_a main_x) 35) (= main_x main_y)), 25451#(or (<= (select main_a main_x) 36) (= main_x main_y)), 25452#(or (<= (select main_a main_x) 37) (= main_x main_y)), 25453#(or (<= (select main_a main_x) 38) (= main_x main_y)), 25454#(or (<= (select main_a main_x) 39) (= main_x main_y)), 25455#(or (<= (select main_a main_x) 40) (= main_x main_y)), 25456#(or (<= (select main_a main_x) 41) (= main_x main_y)), 25457#(or (<= (select main_a main_x) 42) (= main_x main_y)), 25458#(or (= main_x main_y) (<= (select main_a main_x) 43)), 25459#(or (= main_x main_y) (<= (select main_a main_x) 44)), 25460#(or (= main_x main_y) (<= (select main_a main_x) 45)), 25461#(or (<= (select main_a main_x) 46) (= main_x main_y)), 25462#(or (<= (select main_a main_x) 47) (= main_x main_y)), 25463#(or (<= (select main_a main_x) 48) (= main_x main_y)), 25464#(or (<= (select main_a main_x) 49) (= main_x main_y)), 25465#(or (<= (select main_a main_x) 50) (= main_x main_y)), 25466#(or (<= (select main_a main_x) 51) (= main_x main_y)), 25467#(or (= main_x main_y) (<= (select main_a main_x) 52)), 25468#(or (<= (select main_a main_x) 53) (= main_x main_y)), 25469#(or (<= (select main_a main_x) 54) (= main_x main_y)), 25470#(or (<= (select main_a main_x) 55) (= main_x main_y)), 25471#(or (= main_x main_y) (<= (select main_a main_x) 56)), 25472#(or (<= (select main_a main_x) 57) (= main_x main_y)), 25473#(or (<= (select main_a main_x) 58) (= main_x main_y)), 25474#(or (= main_x main_y) (<= (select main_a main_x) 59)), 25475#(or (= main_x main_y) (<= (select main_a main_x) 60)), 25476#(or (= main_x main_y) (<= (select main_a main_x) 61)), 25477#(or (<= (select main_a main_x) 62) (= main_x main_y)), 25478#(or (<= (select main_a main_x) 63) (= main_x main_y)), 25479#(or (= main_x main_y) (<= (select main_a main_x) 64)), 25480#(or (<= (select main_a main_x) 65) (= main_x main_y)), 25481#(or (= main_x main_y) (<= (select main_a main_x) 66)), 25482#(or (<= (select main_a main_x) 67) (= main_x main_y)), 25483#(or (= main_x main_y) (<= (select main_a main_x) 68)), 25484#(or (= main_x main_y) (<= (select main_a main_x) 69)), 25485#(or (<= (select main_a main_x) 70) (= main_x main_y)), 25486#(or (<= (select main_a main_x) 71) (= main_x main_y)), 25487#(or (= main_x main_y) (<= (select main_a main_x) 72)), 25488#(or (<= (select main_a main_x) 73) (= main_x main_y)), 25489#(or (= main_x main_y) (<= (select main_a main_x) 74)), 25490#(or (= main_x main_y) (<= (select main_a main_x) 75)), 25491#(or (<= (select main_a main_x) 76) (= main_x main_y)), 25492#(or (<= (select main_a main_x) 77) (= main_x main_y)), 25493#(or (<= (select main_a main_x) 78) (= main_x main_y)), 25494#(or (<= (select main_a main_x) 79) (= main_x main_y)), 25495#(or (<= (select main_a main_x) 80) (= main_x main_y)), 25496#(or (<= (select main_a main_x) 81) (= main_x main_y)), 25497#(or (<= (select main_a main_x) 82) (= main_x main_y)), 25498#(or (= main_x main_y) (<= (select main_a main_x) 83)), 25499#(or (<= (select main_a main_x) 84) (= main_x main_y)), 25500#(or (<= (select main_a main_x) 85) (= main_x main_y)), 25501#(or (<= (select main_a main_x) 86) (= main_x main_y)), 25502#(or (<= (select main_a main_x) 87) (= main_x main_y)), 25503#(or (<= (select main_a main_x) 88) (= main_x main_y)), 25504#(or (<= (select main_a main_x) 89) (= main_x main_y)), 25505#(or (<= (select main_a main_x) 90) (= main_x main_y)), 25506#(or (= main_x main_y) (<= (select main_a main_x) 91)), 25507#(or (<= (select main_a main_x) 92) (= main_x main_y)), 25508#(or (<= (select main_a main_x) 93) (= main_x main_y)), 25509#(or (= main_x main_y) (<= (select main_a main_x) 94)), 25510#(or (<= (select main_a main_x) 95) (= main_x main_y)), 25511#(or (not (= (select main_a main_x) 1000)) (= main_x main_y))] [2018-07-23 13:56:36,526 INFO L134 CoverageAnalysis]: Checked inductivity of 4656 backedges. 0 proven. 4656 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-07-23 13:56:36,526 INFO L450 AbstractCegarLoop]: Interpolant automaton has 99 states [2018-07-23 13:56:36,527 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 99 interpolants. [2018-07-23 13:56:36,527 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=4851, Invalid=4851, Unknown=0, NotChecked=0, Total=9702 [2018-07-23 13:56:36,528 INFO L87 Difference]: Start difference. First operand 100 states and 100 transitions. Second operand 99 states. [2018-07-23 13:56:36,594 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-07-23 13:56:36,594 INFO L93 Difference]: Finished difference Result 103 states and 103 transitions. [2018-07-23 13:56:36,595 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 99 states. [2018-07-23 13:56:36,595 INFO L78 Accepts]: Start accepts. Automaton has 99 states. Word has length 99 [2018-07-23 13:56:36,595 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-07-23 13:56:36,595 INFO L225 Difference]: With dead ends: 103 [2018-07-23 13:56:36,595 INFO L226 Difference]: Without dead ends: 101 [2018-07-23 13:56:36,596 INFO L575 BasicCegarLoop]: 0 DeclaredPredicates, 98 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 97 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.4s TimeCoverageRelationStatistics Valid=4851, Invalid=4851, Unknown=0, NotChecked=0, Total=9702 [2018-07-23 13:56:36,596 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 101 states. [2018-07-23 13:56:36,602 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 101 to 101. [2018-07-23 13:56:36,602 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 101 states. [2018-07-23 13:56:36,602 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 101 states to 101 states and 101 transitions. [2018-07-23 13:56:36,603 INFO L78 Accepts]: Start accepts. Automaton has 101 states and 101 transitions. Word has length 99 [2018-07-23 13:56:36,603 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-07-23 13:56:36,603 INFO L471 AbstractCegarLoop]: Abstraction has 101 states and 101 transitions. [2018-07-23 13:56:36,603 INFO L472 AbstractCegarLoop]: Interpolant automaton has 99 states. [2018-07-23 13:56:36,603 INFO L276 IsEmpty]: Start isEmpty. Operand 101 states and 101 transitions. [2018-07-23 13:56:36,603 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 101 [2018-07-23 13:56:36,603 INFO L349 BasicCegarLoop]: Found error trace [2018-07-23 13:56:36,603 INFO L357 BasicCegarLoop]: trace histogram [97, 1, 1, 1] [2018-07-23 13:56:36,604 INFO L414 AbstractCegarLoop]: === Iteration 98 === [mainErr0AssertViolationASSERT]=== [2018-07-23 13:56:36,604 INFO L82 PathProgramCache]: Analyzing trace with hash 475087750, now seen corresponding path program 97 times [2018-07-23 13:56:36,604 INFO L69 tionRefinementEngine]: Using refinement strategy FixedRefinementStrategy [2018-07-23 13:56:36,687 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-07-23 13:56:37,278 INFO L134 CoverageAnalysis]: Checked inductivity of 4753 backedges. 0 proven. 4753 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-07-23 13:56:37,278 INFO L309 seRefinementStrategy]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2018-07-23 13:56:37,278 INFO L324 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [99] total 99 [2018-07-23 13:56:37,278 INFO L142 lantAutomatonBuilder]: Constructing canonical interpolant automaton, with selfloop in false state [2018-07-23 13:56:37,279 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-07-23 13:56:37,279 INFO L185 omatonBuilderFactory]: Interpolants [25920#true, 25921#false, 25922#(or (= 0 (select main_a main_x)) (= main_x main_y)), 25923#(or (<= (select main_a main_x) 1) (= main_x main_y)), 25924#(or (= main_x main_y) (<= (select main_a main_x) 2)), 25925#(or (= main_x main_y) (<= (select main_a main_x) 3)), 25926#(or (<= (select main_a main_x) 4) (= main_x main_y)), 25927#(or (<= (select main_a main_x) 5) (= main_x main_y)), 25928#(or (<= (select main_a main_x) 6) (= main_x main_y)), 25929#(or (<= (select main_a main_x) 7) (= main_x main_y)), 25930#(or (<= (select main_a main_x) 8) (= main_x main_y)), 25931#(or (= main_x main_y) (<= (select main_a main_x) 9)), 25932#(or (= main_x main_y) (<= (select main_a main_x) 10)), 25933#(or (= main_x main_y) (<= (select main_a main_x) 11)), 25934#(or (<= (select main_a main_x) 12) (= main_x main_y)), 25935#(or (= main_x main_y) (<= (select main_a main_x) 13)), 25936#(or (<= (select main_a main_x) 14) (= main_x main_y)), 25937#(or (<= (select main_a main_x) 15) (= main_x main_y)), 25938#(or (<= (select main_a main_x) 16) (= main_x main_y)), 25939#(or (= main_x main_y) (<= (select main_a main_x) 17)), 25940#(or (<= (select main_a main_x) 18) (= main_x main_y)), 25941#(or (<= (select main_a main_x) 19) (= main_x main_y)), 25942#(or (= main_x main_y) (<= (select main_a main_x) 20)), 25943#(or (<= (select main_a main_x) 21) (= main_x main_y)), 25944#(or (= main_x main_y) (<= (select main_a main_x) 22)), 25945#(or (= main_x main_y) (<= (select main_a main_x) 23)), 25946#(or (<= (select main_a main_x) 24) (= main_x main_y)), 25947#(or (= main_x main_y) (<= (select main_a main_x) 25)), 25948#(or (<= (select main_a main_x) 26) (= main_x main_y)), 25949#(or (<= (select main_a main_x) 27) (= main_x main_y)), 25950#(or (<= (select main_a main_x) 28) (= main_x main_y)), 25951#(or (<= (select main_a main_x) 29) (= main_x main_y)), 25952#(or (= main_x main_y) (<= (select main_a main_x) 30)), 25953#(or (<= (select main_a main_x) 31) (= main_x main_y)), 25954#(or (<= (select main_a main_x) 32) (= main_x main_y)), 25955#(or (<= (select main_a main_x) 33) (= main_x main_y)), 25956#(or (<= (select main_a main_x) 34) (= main_x main_y)), 25957#(or (<= (select main_a main_x) 35) (= main_x main_y)), 25958#(or (<= (select main_a main_x) 36) (= main_x main_y)), 25959#(or (<= (select main_a main_x) 37) (= main_x main_y)), 25960#(or (<= (select main_a main_x) 38) (= main_x main_y)), 25961#(or (<= (select main_a main_x) 39) (= main_x main_y)), 25962#(or (<= (select main_a main_x) 40) (= main_x main_y)), 25963#(or (<= (select main_a main_x) 41) (= main_x main_y)), 25964#(or (<= (select main_a main_x) 42) (= main_x main_y)), 25965#(or (= main_x main_y) (<= (select main_a main_x) 43)), 25966#(or (= main_x main_y) (<= (select main_a main_x) 44)), 25967#(or (= main_x main_y) (<= (select main_a main_x) 45)), 25968#(or (<= (select main_a main_x) 46) (= main_x main_y)), 25969#(or (<= (select main_a main_x) 47) (= main_x main_y)), 25970#(or (<= (select main_a main_x) 48) (= main_x main_y)), 25971#(or (<= (select main_a main_x) 49) (= main_x main_y)), 25972#(or (<= (select main_a main_x) 50) (= main_x main_y)), 25973#(or (<= (select main_a main_x) 51) (= main_x main_y)), 25974#(or (= main_x main_y) (<= (select main_a main_x) 52)), 25975#(or (<= (select main_a main_x) 53) (= main_x main_y)), 25976#(or (<= (select main_a main_x) 54) (= main_x main_y)), 25977#(or (<= (select main_a main_x) 55) (= main_x main_y)), 25978#(or (= main_x main_y) (<= (select main_a main_x) 56)), 25979#(or (<= (select main_a main_x) 57) (= main_x main_y)), 25980#(or (<= (select main_a main_x) 58) (= main_x main_y)), 25981#(or (= main_x main_y) (<= (select main_a main_x) 59)), 25982#(or (= main_x main_y) (<= (select main_a main_x) 60)), 25983#(or (= main_x main_y) (<= (select main_a main_x) 61)), 25984#(or (<= (select main_a main_x) 62) (= main_x main_y)), 25985#(or (<= (select main_a main_x) 63) (= main_x main_y)), 25986#(or (= main_x main_y) (<= (select main_a main_x) 64)), 25987#(or (<= (select main_a main_x) 65) (= main_x main_y)), 25988#(or (= main_x main_y) (<= (select main_a main_x) 66)), 25989#(or (<= (select main_a main_x) 67) (= main_x main_y)), 25990#(or (= main_x main_y) (<= (select main_a main_x) 68)), 25991#(or (= main_x main_y) (<= (select main_a main_x) 69)), 25992#(or (<= (select main_a main_x) 70) (= main_x main_y)), 25993#(or (<= (select main_a main_x) 71) (= main_x main_y)), 25994#(or (= main_x main_y) (<= (select main_a main_x) 72)), 25995#(or (<= (select main_a main_x) 73) (= main_x main_y)), 25996#(or (= main_x main_y) (<= (select main_a main_x) 74)), 25997#(or (= main_x main_y) (<= (select main_a main_x) 75)), 25998#(or (<= (select main_a main_x) 76) (= main_x main_y)), 25999#(or (<= (select main_a main_x) 77) (= main_x main_y)), 26000#(or (<= (select main_a main_x) 78) (= main_x main_y)), 26001#(or (<= (select main_a main_x) 79) (= main_x main_y)), 26002#(or (<= (select main_a main_x) 80) (= main_x main_y)), 26003#(or (<= (select main_a main_x) 81) (= main_x main_y)), 26004#(or (<= (select main_a main_x) 82) (= main_x main_y)), 26005#(or (= main_x main_y) (<= (select main_a main_x) 83)), 26006#(or (<= (select main_a main_x) 84) (= main_x main_y)), 26007#(or (<= (select main_a main_x) 85) (= main_x main_y)), 26008#(or (<= (select main_a main_x) 86) (= main_x main_y)), 26009#(or (<= (select main_a main_x) 87) (= main_x main_y)), 26010#(or (<= (select main_a main_x) 88) (= main_x main_y)), 26011#(or (<= (select main_a main_x) 89) (= main_x main_y)), 26012#(or (<= (select main_a main_x) 90) (= main_x main_y)), 26013#(or (= main_x main_y) (<= (select main_a main_x) 91)), 26014#(or (<= (select main_a main_x) 92) (= main_x main_y)), 26015#(or (<= (select main_a main_x) 93) (= main_x main_y)), 26016#(or (= main_x main_y) (<= (select main_a main_x) 94)), 26017#(or (<= (select main_a main_x) 95) (= main_x main_y)), 26018#(or (<= (select main_a main_x) 96) (= main_x main_y)), 26019#(or (not (= (select main_a main_x) 1000)) (= main_x main_y))] [2018-07-23 13:56:37,279 INFO L134 CoverageAnalysis]: Checked inductivity of 4753 backedges. 0 proven. 4753 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-07-23 13:56:37,279 INFO L450 AbstractCegarLoop]: Interpolant automaton has 100 states [2018-07-23 13:56:37,280 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 100 interpolants. [2018-07-23 13:56:37,281 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=4950, Invalid=4950, Unknown=0, NotChecked=0, Total=9900 [2018-07-23 13:56:37,281 INFO L87 Difference]: Start difference. First operand 101 states and 101 transitions. Second operand 100 states. [2018-07-23 13:56:37,353 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-07-23 13:56:37,353 INFO L93 Difference]: Finished difference Result 104 states and 104 transitions. [2018-07-23 13:56:37,353 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 100 states. [2018-07-23 13:56:37,353 INFO L78 Accepts]: Start accepts. Automaton has 100 states. Word has length 100 [2018-07-23 13:56:37,353 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-07-23 13:56:37,354 INFO L225 Difference]: With dead ends: 104 [2018-07-23 13:56:37,354 INFO L226 Difference]: Without dead ends: 102 [2018-07-23 13:56:37,355 INFO L575 BasicCegarLoop]: 0 DeclaredPredicates, 99 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 98 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.5s TimeCoverageRelationStatistics Valid=4950, Invalid=4950, Unknown=0, NotChecked=0, Total=9900 [2018-07-23 13:56:37,355 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 102 states. [2018-07-23 13:56:37,363 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 102 to 102. [2018-07-23 13:56:37,363 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 102 states. [2018-07-23 13:56:37,364 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 102 states to 102 states and 102 transitions. [2018-07-23 13:56:37,364 INFO L78 Accepts]: Start accepts. Automaton has 102 states and 102 transitions. Word has length 100 [2018-07-23 13:56:37,364 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-07-23 13:56:37,364 INFO L471 AbstractCegarLoop]: Abstraction has 102 states and 102 transitions. [2018-07-23 13:56:37,364 INFO L472 AbstractCegarLoop]: Interpolant automaton has 100 states. [2018-07-23 13:56:37,364 INFO L276 IsEmpty]: Start isEmpty. Operand 102 states and 102 transitions. [2018-07-23 13:56:37,365 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 102 [2018-07-23 13:56:37,365 INFO L349 BasicCegarLoop]: Found error trace [2018-07-23 13:56:37,365 INFO L357 BasicCegarLoop]: trace histogram [98, 1, 1, 1] [2018-07-23 13:56:37,365 INFO L414 AbstractCegarLoop]: === Iteration 99 === [mainErr0AssertViolationASSERT]=== [2018-07-23 13:56:37,366 INFO L82 PathProgramCache]: Analyzing trace with hash 1842814496, now seen corresponding path program 98 times [2018-07-23 13:56:37,366 INFO L69 tionRefinementEngine]: Using refinement strategy FixedRefinementStrategy [2018-07-23 13:56:37,448 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-07-23 13:56:38,050 INFO L134 CoverageAnalysis]: Checked inductivity of 4851 backedges. 0 proven. 4851 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-07-23 13:56:38,050 INFO L309 seRefinementStrategy]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2018-07-23 13:56:38,050 INFO L324 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [100] total 100 [2018-07-23 13:56:38,050 INFO L142 lantAutomatonBuilder]: Constructing canonical interpolant automaton, with selfloop in false state [2018-07-23 13:56:38,051 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-07-23 13:56:38,051 INFO L185 omatonBuilderFactory]: Interpolants [26432#true, 26433#false, 26434#(or (= 0 (select main_a main_x)) (= main_x main_y)), 26435#(or (<= (select main_a main_x) 1) (= main_x main_y)), 26436#(or (= main_x main_y) (<= (select main_a main_x) 2)), 26437#(or (= main_x main_y) (<= (select main_a main_x) 3)), 26438#(or (<= (select main_a main_x) 4) (= main_x main_y)), 26439#(or (<= (select main_a main_x) 5) (= main_x main_y)), 26440#(or (<= (select main_a main_x) 6) (= main_x main_y)), 26441#(or (<= (select main_a main_x) 7) (= main_x main_y)), 26442#(or (<= (select main_a main_x) 8) (= main_x main_y)), 26443#(or (= main_x main_y) (<= (select main_a main_x) 9)), 26444#(or (= main_x main_y) (<= (select main_a main_x) 10)), 26445#(or (= main_x main_y) (<= (select main_a main_x) 11)), 26446#(or (<= (select main_a main_x) 12) (= main_x main_y)), 26447#(or (= main_x main_y) (<= (select main_a main_x) 13)), 26448#(or (<= (select main_a main_x) 14) (= main_x main_y)), 26449#(or (<= (select main_a main_x) 15) (= main_x main_y)), 26450#(or (<= (select main_a main_x) 16) (= main_x main_y)), 26451#(or (= main_x main_y) (<= (select main_a main_x) 17)), 26452#(or (<= (select main_a main_x) 18) (= main_x main_y)), 26453#(or (<= (select main_a main_x) 19) (= main_x main_y)), 26454#(or (= main_x main_y) (<= (select main_a main_x) 20)), 26455#(or (<= (select main_a main_x) 21) (= main_x main_y)), 26456#(or (= main_x main_y) (<= (select main_a main_x) 22)), 26457#(or (= main_x main_y) (<= (select main_a main_x) 23)), 26458#(or (<= (select main_a main_x) 24) (= main_x main_y)), 26459#(or (= main_x main_y) (<= (select main_a main_x) 25)), 26460#(or (<= (select main_a main_x) 26) (= main_x main_y)), 26461#(or (<= (select main_a main_x) 27) (= main_x main_y)), 26462#(or (<= (select main_a main_x) 28) (= main_x main_y)), 26463#(or (<= (select main_a main_x) 29) (= main_x main_y)), 26464#(or (= main_x main_y) (<= (select main_a main_x) 30)), 26465#(or (<= (select main_a main_x) 31) (= main_x main_y)), 26466#(or (<= (select main_a main_x) 32) (= main_x main_y)), 26467#(or (<= (select main_a main_x) 33) (= main_x main_y)), 26468#(or (<= (select main_a main_x) 34) (= main_x main_y)), 26469#(or (<= (select main_a main_x) 35) (= main_x main_y)), 26470#(or (<= (select main_a main_x) 36) (= main_x main_y)), 26471#(or (<= (select main_a main_x) 37) (= main_x main_y)), 26472#(or (<= (select main_a main_x) 38) (= main_x main_y)), 26473#(or (<= (select main_a main_x) 39) (= main_x main_y)), 26474#(or (<= (select main_a main_x) 40) (= main_x main_y)), 26475#(or (<= (select main_a main_x) 41) (= main_x main_y)), 26476#(or (<= (select main_a main_x) 42) (= main_x main_y)), 26477#(or (= main_x main_y) (<= (select main_a main_x) 43)), 26478#(or (= main_x main_y) (<= (select main_a main_x) 44)), 26479#(or (= main_x main_y) (<= (select main_a main_x) 45)), 26480#(or (<= (select main_a main_x) 46) (= main_x main_y)), 26481#(or (<= (select main_a main_x) 47) (= main_x main_y)), 26482#(or (<= (select main_a main_x) 48) (= main_x main_y)), 26483#(or (<= (select main_a main_x) 49) (= main_x main_y)), 26484#(or (<= (select main_a main_x) 50) (= main_x main_y)), 26485#(or (<= (select main_a main_x) 51) (= main_x main_y)), 26486#(or (= main_x main_y) (<= (select main_a main_x) 52)), 26487#(or (<= (select main_a main_x) 53) (= main_x main_y)), 26488#(or (<= (select main_a main_x) 54) (= main_x main_y)), 26489#(or (<= (select main_a main_x) 55) (= main_x main_y)), 26490#(or (= main_x main_y) (<= (select main_a main_x) 56)), 26491#(or (<= (select main_a main_x) 57) (= main_x main_y)), 26492#(or (<= (select main_a main_x) 58) (= main_x main_y)), 26493#(or (= main_x main_y) (<= (select main_a main_x) 59)), 26494#(or (= main_x main_y) (<= (select main_a main_x) 60)), 26495#(or (= main_x main_y) (<= (select main_a main_x) 61)), 26496#(or (<= (select main_a main_x) 62) (= main_x main_y)), 26497#(or (<= (select main_a main_x) 63) (= main_x main_y)), 26498#(or (= main_x main_y) (<= (select main_a main_x) 64)), 26499#(or (<= (select main_a main_x) 65) (= main_x main_y)), 26500#(or (= main_x main_y) (<= (select main_a main_x) 66)), 26501#(or (<= (select main_a main_x) 67) (= main_x main_y)), 26502#(or (= main_x main_y) (<= (select main_a main_x) 68)), 26503#(or (= main_x main_y) (<= (select main_a main_x) 69)), 26504#(or (<= (select main_a main_x) 70) (= main_x main_y)), 26505#(or (<= (select main_a main_x) 71) (= main_x main_y)), 26506#(or (= main_x main_y) (<= (select main_a main_x) 72)), 26507#(or (<= (select main_a main_x) 73) (= main_x main_y)), 26508#(or (= main_x main_y) (<= (select main_a main_x) 74)), 26509#(or (= main_x main_y) (<= (select main_a main_x) 75)), 26510#(or (<= (select main_a main_x) 76) (= main_x main_y)), 26511#(or (<= (select main_a main_x) 77) (= main_x main_y)), 26512#(or (<= (select main_a main_x) 78) (= main_x main_y)), 26513#(or (<= (select main_a main_x) 79) (= main_x main_y)), 26514#(or (<= (select main_a main_x) 80) (= main_x main_y)), 26515#(or (<= (select main_a main_x) 81) (= main_x main_y)), 26516#(or (<= (select main_a main_x) 82) (= main_x main_y)), 26517#(or (= main_x main_y) (<= (select main_a main_x) 83)), 26518#(or (<= (select main_a main_x) 84) (= main_x main_y)), 26519#(or (<= (select main_a main_x) 85) (= main_x main_y)), 26520#(or (<= (select main_a main_x) 86) (= main_x main_y)), 26521#(or (<= (select main_a main_x) 87) (= main_x main_y)), 26522#(or (<= (select main_a main_x) 88) (= main_x main_y)), 26523#(or (<= (select main_a main_x) 89) (= main_x main_y)), 26524#(or (<= (select main_a main_x) 90) (= main_x main_y)), 26525#(or (= main_x main_y) (<= (select main_a main_x) 91)), 26526#(or (<= (select main_a main_x) 92) (= main_x main_y)), 26527#(or (<= (select main_a main_x) 93) (= main_x main_y)), 26528#(or (= main_x main_y) (<= (select main_a main_x) 94)), 26529#(or (<= (select main_a main_x) 95) (= main_x main_y)), 26530#(or (<= (select main_a main_x) 96) (= main_x main_y)), 26531#(or (= main_x main_y) (<= (select main_a main_x) 97)), 26532#(or (not (= (select main_a main_x) 1000)) (= main_x main_y))] [2018-07-23 13:56:38,052 INFO L134 CoverageAnalysis]: Checked inductivity of 4851 backedges. 0 proven. 4851 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-07-23 13:56:38,052 INFO L450 AbstractCegarLoop]: Interpolant automaton has 101 states [2018-07-23 13:56:38,053 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 101 interpolants. [2018-07-23 13:56:38,053 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=5050, Invalid=5050, Unknown=0, NotChecked=0, Total=10100 [2018-07-23 13:56:38,054 INFO L87 Difference]: Start difference. First operand 102 states and 102 transitions. Second operand 101 states. [2018-07-23 13:56:38,154 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-07-23 13:56:38,154 INFO L93 Difference]: Finished difference Result 105 states and 105 transitions. [2018-07-23 13:56:38,154 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 101 states. [2018-07-23 13:56:38,154 INFO L78 Accepts]: Start accepts. Automaton has 101 states. Word has length 101 [2018-07-23 13:56:38,155 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-07-23 13:56:38,155 INFO L225 Difference]: With dead ends: 105 [2018-07-23 13:56:38,155 INFO L226 Difference]: Without dead ends: 103 [2018-07-23 13:56:38,157 INFO L575 BasicCegarLoop]: 0 DeclaredPredicates, 100 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 99 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.5s TimeCoverageRelationStatistics Valid=5050, Invalid=5050, Unknown=0, NotChecked=0, Total=10100 [2018-07-23 13:56:38,157 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 103 states. [2018-07-23 13:56:38,165 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 103 to 103. [2018-07-23 13:56:38,165 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 103 states. [2018-07-23 13:56:38,166 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 103 states to 103 states and 103 transitions. [2018-07-23 13:56:38,166 INFO L78 Accepts]: Start accepts. Automaton has 103 states and 103 transitions. Word has length 101 [2018-07-23 13:56:38,166 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-07-23 13:56:38,166 INFO L471 AbstractCegarLoop]: Abstraction has 103 states and 103 transitions. [2018-07-23 13:56:38,166 INFO L472 AbstractCegarLoop]: Interpolant automaton has 101 states. [2018-07-23 13:56:38,167 INFO L276 IsEmpty]: Start isEmpty. Operand 103 states and 103 transitions. [2018-07-23 13:56:38,167 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 103 [2018-07-23 13:56:38,167 INFO L349 BasicCegarLoop]: Found error trace [2018-07-23 13:56:38,167 INFO L357 BasicCegarLoop]: trace histogram [99, 1, 1, 1] [2018-07-23 13:56:38,167 INFO L414 AbstractCegarLoop]: === Iteration 100 === [mainErr0AssertViolationASSERT]=== [2018-07-23 13:56:38,168 INFO L82 PathProgramCache]: Analyzing trace with hash 1292670662, now seen corresponding path program 99 times [2018-07-23 13:56:38,168 INFO L69 tionRefinementEngine]: Using refinement strategy FixedRefinementStrategy [2018-07-23 13:56:38,263 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-07-23 13:56:38,958 INFO L134 CoverageAnalysis]: Checked inductivity of 4950 backedges. 0 proven. 4950 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-07-23 13:56:38,958 INFO L309 seRefinementStrategy]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2018-07-23 13:56:38,958 INFO L324 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [101] total 101 [2018-07-23 13:56:38,958 INFO L142 lantAutomatonBuilder]: Constructing canonical interpolant automaton, with selfloop in false state [2018-07-23 13:56:38,958 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 13:56:38,959 INFO L185 omatonBuilderFactory]: Interpolants [26949#true, 26950#false, 26951#(or (= 0 (select main_a main_x)) (= main_x main_y)), 26952#(or (<= (select main_a main_x) 1) (= main_x main_y)), 26953#(or (= main_x main_y) (<= (select main_a main_x) 2)), 26954#(or (= main_x main_y) (<= (select main_a main_x) 3)), 26955#(or (<= (select main_a main_x) 4) (= main_x main_y)), 26956#(or (<= (select main_a main_x) 5) (= main_x main_y)), 26957#(or (<= (select main_a main_x) 6) (= main_x main_y)), 26958#(or (<= (select main_a main_x) 7) (= main_x main_y)), 26959#(or (<= (select main_a main_x) 8) (= main_x main_y)), 26960#(or (= main_x main_y) (<= (select main_a main_x) 9)), 26961#(or (= main_x main_y) (<= (select main_a main_x) 10)), 26962#(or (= main_x main_y) (<= (select main_a main_x) 11)), 26963#(or (<= (select main_a main_x) 12) (= main_x main_y)), 26964#(or (= main_x main_y) (<= (select main_a main_x) 13)), 26965#(or (<= (select main_a main_x) 14) (= main_x main_y)), 26966#(or (<= (select main_a main_x) 15) (= main_x main_y)), 26967#(or (<= (select main_a main_x) 16) (= main_x main_y)), 26968#(or (= main_x main_y) (<= (select main_a main_x) 17)), 26969#(or (<= (select main_a main_x) 18) (= main_x main_y)), 26970#(or (<= (select main_a main_x) 19) (= main_x main_y)), 26971#(or (= main_x main_y) (<= (select main_a main_x) 20)), 26972#(or (<= (select main_a main_x) 21) (= main_x main_y)), 26973#(or (= main_x main_y) (<= (select main_a main_x) 22)), 26974#(or (= main_x main_y) (<= (select main_a main_x) 23)), 26975#(or (<= (select main_a main_x) 24) (= main_x main_y)), 26976#(or (= main_x main_y) (<= (select main_a main_x) 25)), 26977#(or (<= (select main_a main_x) 26) (= main_x main_y)), 26978#(or (<= (select main_a main_x) 27) (= main_x main_y)), 26979#(or (<= (select main_a main_x) 28) (= main_x main_y)), 26980#(or (<= (select main_a main_x) 29) (= main_x main_y)), 26981#(or (= main_x main_y) (<= (select main_a main_x) 30)), 26982#(or (<= (select main_a main_x) 31) (= main_x main_y)), 26983#(or (<= (select main_a main_x) 32) (= main_x main_y)), 26984#(or (<= (select main_a main_x) 33) (= main_x main_y)), 26985#(or (<= (select main_a main_x) 34) (= main_x main_y)), 26986#(or (<= (select main_a main_x) 35) (= main_x main_y)), 26987#(or (<= (select main_a main_x) 36) (= main_x main_y)), 26988#(or (<= (select main_a main_x) 37) (= main_x main_y)), 26989#(or (<= (select main_a main_x) 38) (= main_x main_y)), 26990#(or (<= (select main_a main_x) 39) (= main_x main_y)), 26991#(or (<= (select main_a main_x) 40) (= main_x main_y)), 26992#(or (<= (select main_a main_x) 41) (= main_x main_y)), 26993#(or (<= (select main_a main_x) 42) (= main_x main_y)), 26994#(or (= main_x main_y) (<= (select main_a main_x) 43)), 26995#(or (= main_x main_y) (<= (select main_a main_x) 44)), 26996#(or (= main_x main_y) (<= (select main_a main_x) 45)), 26997#(or (<= (select main_a main_x) 46) (= main_x main_y)), 26998#(or (<= (select main_a main_x) 47) (= main_x main_y)), 26999#(or (<= (select main_a main_x) 48) (= main_x main_y)), 27000#(or (<= (select main_a main_x) 49) (= main_x main_y)), 27001#(or (<= (select main_a main_x) 50) (= main_x main_y)), 27002#(or (<= (select main_a main_x) 51) (= main_x main_y)), 27003#(or (= main_x main_y) (<= (select main_a main_x) 52)), 27004#(or (<= (select main_a main_x) 53) (= main_x main_y)), 27005#(or (<= (select main_a main_x) 54) (= main_x main_y)), 27006#(or (<= (select main_a main_x) 55) (= main_x main_y)), 27007#(or (= main_x main_y) (<= (select main_a main_x) 56)), 27008#(or (<= (select main_a main_x) 57) (= main_x main_y)), 27009#(or (<= (select main_a main_x) 58) (= main_x main_y)), 27010#(or (= main_x main_y) (<= (select main_a main_x) 59)), 27011#(or (= main_x main_y) (<= (select main_a main_x) 60)), 27012#(or (= main_x main_y) (<= (select main_a main_x) 61)), 27013#(or (<= (select main_a main_x) 62) (= main_x main_y)), 27014#(or (<= (select main_a main_x) 63) (= main_x main_y)), 27015#(or (= main_x main_y) (<= (select main_a main_x) 64)), 27016#(or (<= (select main_a main_x) 65) (= main_x main_y)), 27017#(or (= main_x main_y) (<= (select main_a main_x) 66)), 27018#(or (<= (select main_a main_x) 67) (= main_x main_y)), 27019#(or (= main_x main_y) (<= (select main_a main_x) 68)), 27020#(or (= main_x main_y) (<= (select main_a main_x) 69)), 27021#(or (<= (select main_a main_x) 70) (= main_x main_y)), 27022#(or (<= (select main_a main_x) 71) (= main_x main_y)), 27023#(or (= main_x main_y) (<= (select main_a main_x) 72)), 27024#(or (<= (select main_a main_x) 73) (= main_x main_y)), 27025#(or (= main_x main_y) (<= (select main_a main_x) 74)), 27026#(or (= main_x main_y) (<= (select main_a main_x) 75)), 27027#(or (<= (select main_a main_x) 76) (= main_x main_y)), 27028#(or (<= (select main_a main_x) 77) (= main_x main_y)), 27029#(or (<= (select main_a main_x) 78) (= main_x main_y)), 27030#(or (<= (select main_a main_x) 79) (= main_x main_y)), 27031#(or (<= (select main_a main_x) 80) (= main_x main_y)), 27032#(or (<= (select main_a main_x) 81) (= main_x main_y)), 27033#(or (<= (select main_a main_x) 82) (= main_x main_y)), 27034#(or (= main_x main_y) (<= (select main_a main_x) 83)), 27035#(or (<= (select main_a main_x) 84) (= main_x main_y)), 27036#(or (<= (select main_a main_x) 85) (= main_x main_y)), 27037#(or (<= (select main_a main_x) 86) (= main_x main_y)), 27038#(or (<= (select main_a main_x) 87) (= main_x main_y)), 27039#(or (<= (select main_a main_x) 88) (= main_x main_y)), 27040#(or (<= (select main_a main_x) 89) (= main_x main_y)), 27041#(or (<= (select main_a main_x) 90) (= main_x main_y)), 27042#(or (= main_x main_y) (<= (select main_a main_x) 91)), 27043#(or (<= (select main_a main_x) 92) (= main_x main_y)), 27044#(or (<= (select main_a main_x) 93) (= main_x main_y)), 27045#(or (= main_x main_y) (<= (select main_a main_x) 94)), 27046#(or (<= (select main_a main_x) 95) (= main_x main_y)), 27047#(or (<= (select main_a main_x) 96) (= main_x main_y)), 27048#(or (= main_x main_y) (<= (select main_a main_x) 97)), 27049#(or (<= (select main_a main_x) 98) (= main_x main_y)), 27050#(or (not (= (select main_a main_x) 1000)) (= main_x main_y))] [2018-07-23 13:56:38,959 INFO L134 CoverageAnalysis]: Checked inductivity of 4950 backedges. 0 proven. 4950 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-07-23 13:56:38,959 INFO L450 AbstractCegarLoop]: Interpolant automaton has 102 states [2018-07-23 13:56:38,960 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 102 interpolants. [2018-07-23 13:56:38,960 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=5151, Invalid=5151, Unknown=0, NotChecked=0, Total=10302 [2018-07-23 13:56:38,960 INFO L87 Difference]: Start difference. First operand 103 states and 103 transitions. Second operand 102 states. [2018-07-23 13:56:39,036 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-07-23 13:56:39,036 INFO L93 Difference]: Finished difference Result 106 states and 106 transitions. [2018-07-23 13:56:39,037 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 102 states. [2018-07-23 13:56:39,037 INFO L78 Accepts]: Start accepts. Automaton has 102 states. Word has length 102 [2018-07-23 13:56:39,037 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-07-23 13:56:39,037 INFO L225 Difference]: With dead ends: 106 [2018-07-23 13:56:39,037 INFO L226 Difference]: Without dead ends: 104 [2018-07-23 13:56:39,038 INFO L575 BasicCegarLoop]: 0 DeclaredPredicates, 101 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 100 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.5s TimeCoverageRelationStatistics Valid=5151, Invalid=5151, Unknown=0, NotChecked=0, Total=10302 [2018-07-23 13:56:39,038 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 104 states. [2018-07-23 13:56:39,047 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 104 to 104. [2018-07-23 13:56:39,047 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 104 states. [2018-07-23 13:56:39,047 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 104 states to 104 states and 104 transitions. [2018-07-23 13:56:39,048 INFO L78 Accepts]: Start accepts. Automaton has 104 states and 104 transitions. Word has length 102 [2018-07-23 13:56:39,048 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-07-23 13:56:39,048 INFO L471 AbstractCegarLoop]: Abstraction has 104 states and 104 transitions. [2018-07-23 13:56:39,048 INFO L472 AbstractCegarLoop]: Interpolant automaton has 102 states. [2018-07-23 13:56:39,048 INFO L276 IsEmpty]: Start isEmpty. Operand 104 states and 104 transitions. [2018-07-23 13:56:39,049 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 104 [2018-07-23 13:56:39,049 INFO L349 BasicCegarLoop]: Found error trace [2018-07-23 13:56:39,049 INFO L357 BasicCegarLoop]: trace histogram [100, 1, 1, 1] [2018-07-23 13:56:39,049 INFO L414 AbstractCegarLoop]: === Iteration 101 === [mainErr0AssertViolationASSERT]=== [2018-07-23 13:56:39,049 INFO L82 PathProgramCache]: Analyzing trace with hash 1418080992, now seen corresponding path program 100 times [2018-07-23 13:56:39,049 INFO L69 tionRefinementEngine]: Using refinement strategy FixedRefinementStrategy [2018-07-23 13:56:39,161 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-07-23 13:56:39,784 INFO L134 CoverageAnalysis]: Checked inductivity of 5050 backedges. 0 proven. 5050 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-07-23 13:56:39,784 INFO L309 seRefinementStrategy]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2018-07-23 13:56:39,785 INFO L324 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [102] total 102 [2018-07-23 13:56:39,785 INFO L142 lantAutomatonBuilder]: Constructing canonical interpolant automaton, with selfloop in false state [2018-07-23 13:56:39,785 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-07-23 13:56:39,785 INFO L185 omatonBuilderFactory]: Interpolants [27471#true, 27472#false, 27473#(or (= 0 (select main_a main_x)) (= main_x main_y)), 27474#(or (<= (select main_a main_x) 1) (= main_x main_y)), 27475#(or (= main_x main_y) (<= (select main_a main_x) 2)), 27476#(or (= main_x main_y) (<= (select main_a main_x) 3)), 27477#(or (<= (select main_a main_x) 4) (= main_x main_y)), 27478#(or (<= (select main_a main_x) 5) (= main_x main_y)), 27479#(or (<= (select main_a main_x) 6) (= main_x main_y)), 27480#(or (<= (select main_a main_x) 7) (= main_x main_y)), 27481#(or (<= (select main_a main_x) 8) (= main_x main_y)), 27482#(or (= main_x main_y) (<= (select main_a main_x) 9)), 27483#(or (= main_x main_y) (<= (select main_a main_x) 10)), 27484#(or (= main_x main_y) (<= (select main_a main_x) 11)), 27485#(or (<= (select main_a main_x) 12) (= main_x main_y)), 27486#(or (= main_x main_y) (<= (select main_a main_x) 13)), 27487#(or (<= (select main_a main_x) 14) (= main_x main_y)), 27488#(or (<= (select main_a main_x) 15) (= main_x main_y)), 27489#(or (<= (select main_a main_x) 16) (= main_x main_y)), 27490#(or (= main_x main_y) (<= (select main_a main_x) 17)), 27491#(or (<= (select main_a main_x) 18) (= main_x main_y)), 27492#(or (<= (select main_a main_x) 19) (= main_x main_y)), 27493#(or (= main_x main_y) (<= (select main_a main_x) 20)), 27494#(or (<= (select main_a main_x) 21) (= main_x main_y)), 27495#(or (= main_x main_y) (<= (select main_a main_x) 22)), 27496#(or (= main_x main_y) (<= (select main_a main_x) 23)), 27497#(or (<= (select main_a main_x) 24) (= main_x main_y)), 27498#(or (= main_x main_y) (<= (select main_a main_x) 25)), 27499#(or (<= (select main_a main_x) 26) (= main_x main_y)), 27500#(or (<= (select main_a main_x) 27) (= main_x main_y)), 27501#(or (<= (select main_a main_x) 28) (= main_x main_y)), 27502#(or (<= (select main_a main_x) 29) (= main_x main_y)), 27503#(or (= main_x main_y) (<= (select main_a main_x) 30)), 27504#(or (<= (select main_a main_x) 31) (= main_x main_y)), 27505#(or (<= (select main_a main_x) 32) (= main_x main_y)), 27506#(or (<= (select main_a main_x) 33) (= main_x main_y)), 27507#(or (<= (select main_a main_x) 34) (= main_x main_y)), 27508#(or (<= (select main_a main_x) 35) (= main_x main_y)), 27509#(or (<= (select main_a main_x) 36) (= main_x main_y)), 27510#(or (<= (select main_a main_x) 37) (= main_x main_y)), 27511#(or (<= (select main_a main_x) 38) (= main_x main_y)), 27512#(or (<= (select main_a main_x) 39) (= main_x main_y)), 27513#(or (<= (select main_a main_x) 40) (= main_x main_y)), 27514#(or (<= (select main_a main_x) 41) (= main_x main_y)), 27515#(or (<= (select main_a main_x) 42) (= main_x main_y)), 27516#(or (= main_x main_y) (<= (select main_a main_x) 43)), 27517#(or (= main_x main_y) (<= (select main_a main_x) 44)), 27518#(or (= main_x main_y) (<= (select main_a main_x) 45)), 27519#(or (<= (select main_a main_x) 46) (= main_x main_y)), 27520#(or (<= (select main_a main_x) 47) (= main_x main_y)), 27521#(or (<= (select main_a main_x) 48) (= main_x main_y)), 27522#(or (<= (select main_a main_x) 49) (= main_x main_y)), 27523#(or (<= (select main_a main_x) 50) (= main_x main_y)), 27524#(or (<= (select main_a main_x) 51) (= main_x main_y)), 27525#(or (= main_x main_y) (<= (select main_a main_x) 52)), 27526#(or (<= (select main_a main_x) 53) (= main_x main_y)), 27527#(or (<= (select main_a main_x) 54) (= main_x main_y)), 27528#(or (<= (select main_a main_x) 55) (= main_x main_y)), 27529#(or (= main_x main_y) (<= (select main_a main_x) 56)), 27530#(or (<= (select main_a main_x) 57) (= main_x main_y)), 27531#(or (<= (select main_a main_x) 58) (= main_x main_y)), 27532#(or (= main_x main_y) (<= (select main_a main_x) 59)), 27533#(or (= main_x main_y) (<= (select main_a main_x) 60)), 27534#(or (= main_x main_y) (<= (select main_a main_x) 61)), 27535#(or (<= (select main_a main_x) 62) (= main_x main_y)), 27536#(or (<= (select main_a main_x) 63) (= main_x main_y)), 27537#(or (= main_x main_y) (<= (select main_a main_x) 64)), 27538#(or (<= (select main_a main_x) 65) (= main_x main_y)), 27539#(or (= main_x main_y) (<= (select main_a main_x) 66)), 27540#(or (<= (select main_a main_x) 67) (= main_x main_y)), 27541#(or (= main_x main_y) (<= (select main_a main_x) 68)), 27542#(or (= main_x main_y) (<= (select main_a main_x) 69)), 27543#(or (<= (select main_a main_x) 70) (= main_x main_y)), 27544#(or (<= (select main_a main_x) 71) (= main_x main_y)), 27545#(or (= main_x main_y) (<= (select main_a main_x) 72)), 27546#(or (<= (select main_a main_x) 73) (= main_x main_y)), 27547#(or (= main_x main_y) (<= (select main_a main_x) 74)), 27548#(or (= main_x main_y) (<= (select main_a main_x) 75)), 27549#(or (<= (select main_a main_x) 76) (= main_x main_y)), 27550#(or (<= (select main_a main_x) 77) (= main_x main_y)), 27551#(or (<= (select main_a main_x) 78) (= main_x main_y)), 27552#(or (<= (select main_a main_x) 79) (= main_x main_y)), 27553#(or (<= (select main_a main_x) 80) (= main_x main_y)), 27554#(or (<= (select main_a main_x) 81) (= main_x main_y)), 27555#(or (<= (select main_a main_x) 82) (= main_x main_y)), 27556#(or (= main_x main_y) (<= (select main_a main_x) 83)), 27557#(or (<= (select main_a main_x) 84) (= main_x main_y)), 27558#(or (<= (select main_a main_x) 85) (= main_x main_y)), 27559#(or (<= (select main_a main_x) 86) (= main_x main_y)), 27560#(or (<= (select main_a main_x) 87) (= main_x main_y)), 27561#(or (<= (select main_a main_x) 88) (= main_x main_y)), 27562#(or (<= (select main_a main_x) 89) (= main_x main_y)), 27563#(or (<= (select main_a main_x) 90) (= main_x main_y)), 27564#(or (= main_x main_y) (<= (select main_a main_x) 91)), 27565#(or (<= (select main_a main_x) 92) (= main_x main_y)), 27566#(or (<= (select main_a main_x) 93) (= main_x main_y)), 27567#(or (= main_x main_y) (<= (select main_a main_x) 94)), 27568#(or (<= (select main_a main_x) 95) (= main_x main_y)), 27569#(or (<= (select main_a main_x) 96) (= main_x main_y)), 27570#(or (= main_x main_y) (<= (select main_a main_x) 97)), 27571#(or (<= (select main_a main_x) 98) (= main_x main_y)), 27572#(or (<= (select main_a main_x) 99) (= main_x main_y)), 27573#(or (not (= (select main_a main_x) 1000)) (= main_x main_y))] [2018-07-23 13:56:39,786 INFO L134 CoverageAnalysis]: Checked inductivity of 5050 backedges. 0 proven. 5050 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-07-23 13:56:39,786 INFO L450 AbstractCegarLoop]: Interpolant automaton has 103 states [2018-07-23 13:56:39,787 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 103 interpolants. [2018-07-23 13:56:39,787 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=5253, Invalid=5253, Unknown=0, NotChecked=0, Total=10506 [2018-07-23 13:56:39,787 INFO L87 Difference]: Start difference. First operand 104 states and 104 transitions. Second operand 103 states. [2018-07-23 13:56:39,870 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-07-23 13:56:39,870 INFO L93 Difference]: Finished difference Result 107 states and 107 transitions. [2018-07-23 13:56:39,870 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 103 states. [2018-07-23 13:56:39,870 INFO L78 Accepts]: Start accepts. Automaton has 103 states. Word has length 103 [2018-07-23 13:56:39,871 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-07-23 13:56:39,871 INFO L225 Difference]: With dead ends: 107 [2018-07-23 13:56:39,871 INFO L226 Difference]: Without dead ends: 105 [2018-07-23 13:56:39,872 INFO L575 BasicCegarLoop]: 0 DeclaredPredicates, 102 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 101 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.5s TimeCoverageRelationStatistics Valid=5253, Invalid=5253, Unknown=0, NotChecked=0, Total=10506 [2018-07-23 13:56:39,872 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 105 states. [2018-07-23 13:56:39,881 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 105 to 105. [2018-07-23 13:56:39,881 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 105 states. [2018-07-23 13:56:39,881 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 105 states to 105 states and 105 transitions. [2018-07-23 13:56:39,881 INFO L78 Accepts]: Start accepts. Automaton has 105 states and 105 transitions. Word has length 103 [2018-07-23 13:56:39,882 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-07-23 13:56:39,882 INFO L471 AbstractCegarLoop]: Abstraction has 105 states and 105 transitions. [2018-07-23 13:56:39,882 INFO L472 AbstractCegarLoop]: Interpolant automaton has 103 states. [2018-07-23 13:56:39,882 INFO L276 IsEmpty]: Start isEmpty. Operand 105 states and 105 transitions. [2018-07-23 13:56:39,882 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 105 [2018-07-23 13:56:39,883 INFO L349 BasicCegarLoop]: Found error trace [2018-07-23 13:56:39,883 INFO L357 BasicCegarLoop]: trace histogram [101, 1, 1, 1] [2018-07-23 13:56:39,883 INFO L414 AbstractCegarLoop]: === Iteration 102 === [mainErr0AssertViolationASSERT]=== [2018-07-23 13:56:39,883 INFO L82 PathProgramCache]: Analyzing trace with hash 1010833926, now seen corresponding path program 101 times [2018-07-23 13:56:39,883 INFO L69 tionRefinementEngine]: Using refinement strategy FixedRefinementStrategy [2018-07-23 13:56:40,000 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-07-23 13:56:40,972 INFO L134 CoverageAnalysis]: Checked inductivity of 5151 backedges. 0 proven. 5151 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-07-23 13:56:40,973 INFO L309 seRefinementStrategy]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2018-07-23 13:56:40,973 INFO L324 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [103] total 103 [2018-07-23 13:56:40,973 INFO L142 lantAutomatonBuilder]: Constructing canonical interpolant automaton, with selfloop in false state [2018-07-23 13:56:40,973 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 13:56:40,974 INFO L185 omatonBuilderFactory]: Interpolants [27998#true, 27999#false, 28000#(or (= 0 (select main_a main_x)) (= main_x main_y)), 28001#(or (<= (select main_a main_x) 1) (= main_x main_y)), 28002#(or (= main_x main_y) (<= (select main_a main_x) 2)), 28003#(or (= main_x main_y) (<= (select main_a main_x) 3)), 28004#(or (<= (select main_a main_x) 4) (= main_x main_y)), 28005#(or (<= (select main_a main_x) 5) (= main_x main_y)), 28006#(or (<= (select main_a main_x) 6) (= main_x main_y)), 28007#(or (<= (select main_a main_x) 7) (= main_x main_y)), 28008#(or (<= (select main_a main_x) 8) (= main_x main_y)), 28009#(or (= main_x main_y) (<= (select main_a main_x) 9)), 28010#(or (= main_x main_y) (<= (select main_a main_x) 10)), 28011#(or (= main_x main_y) (<= (select main_a main_x) 11)), 28012#(or (<= (select main_a main_x) 12) (= main_x main_y)), 28013#(or (= main_x main_y) (<= (select main_a main_x) 13)), 28014#(or (<= (select main_a main_x) 14) (= main_x main_y)), 28015#(or (<= (select main_a main_x) 15) (= main_x main_y)), 28016#(or (<= (select main_a main_x) 16) (= main_x main_y)), 28017#(or (= main_x main_y) (<= (select main_a main_x) 17)), 28018#(or (<= (select main_a main_x) 18) (= main_x main_y)), 28019#(or (<= (select main_a main_x) 19) (= main_x main_y)), 28020#(or (= main_x main_y) (<= (select main_a main_x) 20)), 28021#(or (<= (select main_a main_x) 21) (= main_x main_y)), 28022#(or (= main_x main_y) (<= (select main_a main_x) 22)), 28023#(or (= main_x main_y) (<= (select main_a main_x) 23)), 28024#(or (<= (select main_a main_x) 24) (= main_x main_y)), 28025#(or (= main_x main_y) (<= (select main_a main_x) 25)), 28026#(or (<= (select main_a main_x) 26) (= main_x main_y)), 28027#(or (<= (select main_a main_x) 27) (= main_x main_y)), 28028#(or (<= (select main_a main_x) 28) (= main_x main_y)), 28029#(or (<= (select main_a main_x) 29) (= main_x main_y)), 28030#(or (= main_x main_y) (<= (select main_a main_x) 30)), 28031#(or (<= (select main_a main_x) 31) (= main_x main_y)), 28032#(or (<= (select main_a main_x) 32) (= main_x main_y)), 28033#(or (<= (select main_a main_x) 33) (= main_x main_y)), 28034#(or (<= (select main_a main_x) 34) (= main_x main_y)), 28035#(or (<= (select main_a main_x) 35) (= main_x main_y)), 28036#(or (<= (select main_a main_x) 36) (= main_x main_y)), 28037#(or (<= (select main_a main_x) 37) (= main_x main_y)), 28038#(or (<= (select main_a main_x) 38) (= main_x main_y)), 28039#(or (<= (select main_a main_x) 39) (= main_x main_y)), 28040#(or (<= (select main_a main_x) 40) (= main_x main_y)), 28041#(or (<= (select main_a main_x) 41) (= main_x main_y)), 28042#(or (<= (select main_a main_x) 42) (= main_x main_y)), 28043#(or (= main_x main_y) (<= (select main_a main_x) 43)), 28044#(or (= main_x main_y) (<= (select main_a main_x) 44)), 28045#(or (= main_x main_y) (<= (select main_a main_x) 45)), 28046#(or (<= (select main_a main_x) 46) (= main_x main_y)), 28047#(or (<= (select main_a main_x) 47) (= main_x main_y)), 28048#(or (<= (select main_a main_x) 48) (= main_x main_y)), 28049#(or (<= (select main_a main_x) 49) (= main_x main_y)), 28050#(or (<= (select main_a main_x) 50) (= main_x main_y)), 28051#(or (<= (select main_a main_x) 51) (= main_x main_y)), 28052#(or (= main_x main_y) (<= (select main_a main_x) 52)), 28053#(or (<= (select main_a main_x) 53) (= main_x main_y)), 28054#(or (<= (select main_a main_x) 54) (= main_x main_y)), 28055#(or (<= (select main_a main_x) 55) (= main_x main_y)), 28056#(or (= main_x main_y) (<= (select main_a main_x) 56)), 28057#(or (<= (select main_a main_x) 57) (= main_x main_y)), 28058#(or (<= (select main_a main_x) 58) (= main_x main_y)), 28059#(or (= main_x main_y) (<= (select main_a main_x) 59)), 28060#(or (= main_x main_y) (<= (select main_a main_x) 60)), 28061#(or (= main_x main_y) (<= (select main_a main_x) 61)), 28062#(or (<= (select main_a main_x) 62) (= main_x main_y)), 28063#(or (<= (select main_a main_x) 63) (= main_x main_y)), 28064#(or (= main_x main_y) (<= (select main_a main_x) 64)), 28065#(or (<= (select main_a main_x) 65) (= main_x main_y)), 28066#(or (= main_x main_y) (<= (select main_a main_x) 66)), 28067#(or (<= (select main_a main_x) 67) (= main_x main_y)), 28068#(or (= main_x main_y) (<= (select main_a main_x) 68)), 28069#(or (= main_x main_y) (<= (select main_a main_x) 69)), 28070#(or (<= (select main_a main_x) 70) (= main_x main_y)), 28071#(or (<= (select main_a main_x) 71) (= main_x main_y)), 28072#(or (= main_x main_y) (<= (select main_a main_x) 72)), 28073#(or (<= (select main_a main_x) 73) (= main_x main_y)), 28074#(or (= main_x main_y) (<= (select main_a main_x) 74)), 28075#(or (= main_x main_y) (<= (select main_a main_x) 75)), 28076#(or (<= (select main_a main_x) 76) (= main_x main_y)), 28077#(or (<= (select main_a main_x) 77) (= main_x main_y)), 28078#(or (<= (select main_a main_x) 78) (= main_x main_y)), 28079#(or (<= (select main_a main_x) 79) (= main_x main_y)), 28080#(or (<= (select main_a main_x) 80) (= main_x main_y)), 28081#(or (<= (select main_a main_x) 81) (= main_x main_y)), 28082#(or (<= (select main_a main_x) 82) (= main_x main_y)), 28083#(or (= main_x main_y) (<= (select main_a main_x) 83)), 28084#(or (<= (select main_a main_x) 84) (= main_x main_y)), 28085#(or (<= (select main_a main_x) 85) (= main_x main_y)), 28086#(or (<= (select main_a main_x) 86) (= main_x main_y)), 28087#(or (<= (select main_a main_x) 87) (= main_x main_y)), 28088#(or (<= (select main_a main_x) 88) (= main_x main_y)), 28089#(or (<= (select main_a main_x) 89) (= main_x main_y)), 28090#(or (<= (select main_a main_x) 90) (= main_x main_y)), 28091#(or (= main_x main_y) (<= (select main_a main_x) 91)), 28092#(or (<= (select main_a main_x) 92) (= main_x main_y)), 28093#(or (<= (select main_a main_x) 93) (= main_x main_y)), 28094#(or (= main_x main_y) (<= (select main_a main_x) 94)), 28095#(or (<= (select main_a main_x) 95) (= main_x main_y)), 28096#(or (<= (select main_a main_x) 96) (= main_x main_y)), 28097#(or (= main_x main_y) (<= (select main_a main_x) 97)), 28098#(or (<= (select main_a main_x) 98) (= main_x main_y)), 28099#(or (<= (select main_a main_x) 99) (= main_x main_y)), 28100#(or (<= (select main_a main_x) 100) (= main_x main_y)), 28101#(or (not (= (select main_a main_x) 1000)) (= main_x main_y))] [2018-07-23 13:56:40,974 INFO L134 CoverageAnalysis]: Checked inductivity of 5151 backedges. 0 proven. 5151 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-07-23 13:56:40,975 INFO L450 AbstractCegarLoop]: Interpolant automaton has 104 states [2018-07-23 13:56:40,976 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 104 interpolants. [2018-07-23 13:56:40,976 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=5356, Invalid=5356, Unknown=0, NotChecked=0, Total=10712 [2018-07-23 13:56:40,977 INFO L87 Difference]: Start difference. First operand 105 states and 105 transitions. Second operand 104 states. [2018-07-23 13:56:41,130 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-07-23 13:56:41,130 INFO L93 Difference]: Finished difference Result 108 states and 108 transitions. [2018-07-23 13:56:41,130 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 104 states. [2018-07-23 13:56:41,130 INFO L78 Accepts]: Start accepts. Automaton has 104 states. Word has length 104 [2018-07-23 13:56:41,130 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-07-23 13:56:41,131 INFO L225 Difference]: With dead ends: 108 [2018-07-23 13:56:41,131 INFO L226 Difference]: Without dead ends: 106 [2018-07-23 13:56:41,132 INFO L575 BasicCegarLoop]: 0 DeclaredPredicates, 103 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 102 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.8s TimeCoverageRelationStatistics Valid=5356, Invalid=5356, Unknown=0, NotChecked=0, Total=10712 [2018-07-23 13:56:41,133 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 106 states. [2018-07-23 13:56:41,141 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 106 to 106. [2018-07-23 13:56:41,142 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 106 states. [2018-07-23 13:56:41,142 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 106 states to 106 states and 106 transitions. [2018-07-23 13:56:41,142 INFO L78 Accepts]: Start accepts. Automaton has 106 states and 106 transitions. Word has length 104 [2018-07-23 13:56:41,142 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-07-23 13:56:41,142 INFO L471 AbstractCegarLoop]: Abstraction has 106 states and 106 transitions. [2018-07-23 13:56:41,142 INFO L472 AbstractCegarLoop]: Interpolant automaton has 104 states. [2018-07-23 13:56:41,143 INFO L276 IsEmpty]: Start isEmpty. Operand 106 states and 106 transitions. [2018-07-23 13:56:41,143 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 106 [2018-07-23 13:56:41,143 INFO L349 BasicCegarLoop]: Found error trace [2018-07-23 13:56:41,143 INFO L357 BasicCegarLoop]: trace histogram [102, 1, 1, 1] [2018-07-23 13:56:41,143 INFO L414 AbstractCegarLoop]: === Iteration 103 === [mainErr0AssertViolationASSERT]=== [2018-07-23 13:56:41,144 INFO L82 PathProgramCache]: Analyzing trace with hash 1271076768, now seen corresponding path program 102 times [2018-07-23 13:56:41,144 INFO L69 tionRefinementEngine]: Using refinement strategy FixedRefinementStrategy [2018-07-23 13:56:41,240 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-07-23 13:56:41,913 INFO L134 CoverageAnalysis]: Checked inductivity of 5253 backedges. 0 proven. 5253 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-07-23 13:56:41,913 INFO L309 seRefinementStrategy]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2018-07-23 13:56:41,913 INFO L324 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [104] total 104 [2018-07-23 13:56:41,913 INFO L142 lantAutomatonBuilder]: Constructing canonical interpolant automaton, with selfloop in false state [2018-07-23 13:56:41,914 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-07-23 13:56:41,914 INFO L185 omatonBuilderFactory]: Interpolants [28530#true, 28531#false, 28532#(or (= 0 (select main_a main_x)) (= main_x main_y)), 28533#(or (<= (select main_a main_x) 1) (= main_x main_y)), 28534#(or (= main_x main_y) (<= (select main_a main_x) 2)), 28535#(or (= main_x main_y) (<= (select main_a main_x) 3)), 28536#(or (<= (select main_a main_x) 4) (= main_x main_y)), 28537#(or (<= (select main_a main_x) 5) (= main_x main_y)), 28538#(or (<= (select main_a main_x) 6) (= main_x main_y)), 28539#(or (<= (select main_a main_x) 7) (= main_x main_y)), 28540#(or (<= (select main_a main_x) 8) (= main_x main_y)), 28541#(or (= main_x main_y) (<= (select main_a main_x) 9)), 28542#(or (= main_x main_y) (<= (select main_a main_x) 10)), 28543#(or (= main_x main_y) (<= (select main_a main_x) 11)), 28544#(or (<= (select main_a main_x) 12) (= main_x main_y)), 28545#(or (= main_x main_y) (<= (select main_a main_x) 13)), 28546#(or (<= (select main_a main_x) 14) (= main_x main_y)), 28547#(or (<= (select main_a main_x) 15) (= main_x main_y)), 28548#(or (<= (select main_a main_x) 16) (= main_x main_y)), 28549#(or (= main_x main_y) (<= (select main_a main_x) 17)), 28550#(or (<= (select main_a main_x) 18) (= main_x main_y)), 28551#(or (<= (select main_a main_x) 19) (= main_x main_y)), 28552#(or (= main_x main_y) (<= (select main_a main_x) 20)), 28553#(or (<= (select main_a main_x) 21) (= main_x main_y)), 28554#(or (= main_x main_y) (<= (select main_a main_x) 22)), 28555#(or (= main_x main_y) (<= (select main_a main_x) 23)), 28556#(or (<= (select main_a main_x) 24) (= main_x main_y)), 28557#(or (= main_x main_y) (<= (select main_a main_x) 25)), 28558#(or (<= (select main_a main_x) 26) (= main_x main_y)), 28559#(or (<= (select main_a main_x) 27) (= main_x main_y)), 28560#(or (<= (select main_a main_x) 28) (= main_x main_y)), 28561#(or (<= (select main_a main_x) 29) (= main_x main_y)), 28562#(or (= main_x main_y) (<= (select main_a main_x) 30)), 28563#(or (<= (select main_a main_x) 31) (= main_x main_y)), 28564#(or (<= (select main_a main_x) 32) (= main_x main_y)), 28565#(or (<= (select main_a main_x) 33) (= main_x main_y)), 28566#(or (<= (select main_a main_x) 34) (= main_x main_y)), 28567#(or (<= (select main_a main_x) 35) (= main_x main_y)), 28568#(or (<= (select main_a main_x) 36) (= main_x main_y)), 28569#(or (<= (select main_a main_x) 37) (= main_x main_y)), 28570#(or (<= (select main_a main_x) 38) (= main_x main_y)), 28571#(or (<= (select main_a main_x) 39) (= main_x main_y)), 28572#(or (<= (select main_a main_x) 40) (= main_x main_y)), 28573#(or (<= (select main_a main_x) 41) (= main_x main_y)), 28574#(or (<= (select main_a main_x) 42) (= main_x main_y)), 28575#(or (= main_x main_y) (<= (select main_a main_x) 43)), 28576#(or (= main_x main_y) (<= (select main_a main_x) 44)), 28577#(or (= main_x main_y) (<= (select main_a main_x) 45)), 28578#(or (<= (select main_a main_x) 46) (= main_x main_y)), 28579#(or (<= (select main_a main_x) 47) (= main_x main_y)), 28580#(or (<= (select main_a main_x) 48) (= main_x main_y)), 28581#(or (<= (select main_a main_x) 49) (= main_x main_y)), 28582#(or (<= (select main_a main_x) 50) (= main_x main_y)), 28583#(or (<= (select main_a main_x) 51) (= main_x main_y)), 28584#(or (= main_x main_y) (<= (select main_a main_x) 52)), 28585#(or (<= (select main_a main_x) 53) (= main_x main_y)), 28586#(or (<= (select main_a main_x) 54) (= main_x main_y)), 28587#(or (<= (select main_a main_x) 55) (= main_x main_y)), 28588#(or (= main_x main_y) (<= (select main_a main_x) 56)), 28589#(or (<= (select main_a main_x) 57) (= main_x main_y)), 28590#(or (<= (select main_a main_x) 58) (= main_x main_y)), 28591#(or (= main_x main_y) (<= (select main_a main_x) 59)), 28592#(or (= main_x main_y) (<= (select main_a main_x) 60)), 28593#(or (= main_x main_y) (<= (select main_a main_x) 61)), 28594#(or (<= (select main_a main_x) 62) (= main_x main_y)), 28595#(or (<= (select main_a main_x) 63) (= main_x main_y)), 28596#(or (= main_x main_y) (<= (select main_a main_x) 64)), 28597#(or (<= (select main_a main_x) 65) (= main_x main_y)), 28598#(or (= main_x main_y) (<= (select main_a main_x) 66)), 28599#(or (<= (select main_a main_x) 67) (= main_x main_y)), 28600#(or (= main_x main_y) (<= (select main_a main_x) 68)), 28601#(or (= main_x main_y) (<= (select main_a main_x) 69)), 28602#(or (<= (select main_a main_x) 70) (= main_x main_y)), 28603#(or (<= (select main_a main_x) 71) (= main_x main_y)), 28604#(or (= main_x main_y) (<= (select main_a main_x) 72)), 28605#(or (<= (select main_a main_x) 73) (= main_x main_y)), 28606#(or (= main_x main_y) (<= (select main_a main_x) 74)), 28607#(or (= main_x main_y) (<= (select main_a main_x) 75)), 28608#(or (<= (select main_a main_x) 76) (= main_x main_y)), 28609#(or (<= (select main_a main_x) 77) (= main_x main_y)), 28610#(or (<= (select main_a main_x) 78) (= main_x main_y)), 28611#(or (<= (select main_a main_x) 79) (= main_x main_y)), 28612#(or (<= (select main_a main_x) 80) (= main_x main_y)), 28613#(or (<= (select main_a main_x) 81) (= main_x main_y)), 28614#(or (<= (select main_a main_x) 82) (= main_x main_y)), 28615#(or (= main_x main_y) (<= (select main_a main_x) 83)), 28616#(or (<= (select main_a main_x) 84) (= main_x main_y)), 28617#(or (<= (select main_a main_x) 85) (= main_x main_y)), 28618#(or (<= (select main_a main_x) 86) (= main_x main_y)), 28619#(or (<= (select main_a main_x) 87) (= main_x main_y)), 28620#(or (<= (select main_a main_x) 88) (= main_x main_y)), 28621#(or (<= (select main_a main_x) 89) (= main_x main_y)), 28622#(or (<= (select main_a main_x) 90) (= main_x main_y)), 28623#(or (= main_x main_y) (<= (select main_a main_x) 91)), 28624#(or (<= (select main_a main_x) 92) (= main_x main_y)), 28625#(or (<= (select main_a main_x) 93) (= main_x main_y)), 28626#(or (= main_x main_y) (<= (select main_a main_x) 94)), 28627#(or (<= (select main_a main_x) 95) (= main_x main_y)), 28628#(or (<= (select main_a main_x) 96) (= main_x main_y)), 28629#(or (= main_x main_y) (<= (select main_a main_x) 97)), 28630#(or (<= (select main_a main_x) 98) (= main_x main_y)), 28631#(or (<= (select main_a main_x) 99) (= main_x main_y)), 28632#(or (<= (select main_a main_x) 100) (= main_x main_y)), 28633#(or (<= (select main_a main_x) 101) (= main_x main_y)), 28634#(or (not (= (select main_a main_x) 1000)) (= main_x main_y))] [2018-07-23 13:56:41,914 INFO L134 CoverageAnalysis]: Checked inductivity of 5253 backedges. 0 proven. 5253 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-07-23 13:56:41,914 INFO L450 AbstractCegarLoop]: Interpolant automaton has 105 states [2018-07-23 13:56:41,915 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 105 interpolants. [2018-07-23 13:56:41,916 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=5460, Invalid=5460, Unknown=0, NotChecked=0, Total=10920 [2018-07-23 13:56:41,916 INFO L87 Difference]: Start difference. First operand 106 states and 106 transitions. Second operand 105 states. [2018-07-23 13:56:42,030 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-07-23 13:56:42,031 INFO L93 Difference]: Finished difference Result 109 states and 109 transitions. [2018-07-23 13:56:42,031 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 105 states. [2018-07-23 13:56:42,031 INFO L78 Accepts]: Start accepts. Automaton has 105 states. Word has length 105 [2018-07-23 13:56:42,031 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-07-23 13:56:42,032 INFO L225 Difference]: With dead ends: 109 [2018-07-23 13:56:42,032 INFO L226 Difference]: Without dead ends: 107 [2018-07-23 13:56:42,033 INFO L575 BasicCegarLoop]: 0 DeclaredPredicates, 104 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 103 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.5s TimeCoverageRelationStatistics Valid=5460, Invalid=5460, Unknown=0, NotChecked=0, Total=10920 [2018-07-23 13:56:42,033 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 107 states. [2018-07-23 13:56:42,042 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 107 to 107. [2018-07-23 13:56:42,043 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 107 states. [2018-07-23 13:56:42,043 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 107 states to 107 states and 107 transitions. [2018-07-23 13:56:42,043 INFO L78 Accepts]: Start accepts. Automaton has 107 states and 107 transitions. Word has length 105 [2018-07-23 13:56:42,043 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-07-23 13:56:42,044 INFO L471 AbstractCegarLoop]: Abstraction has 107 states and 107 transitions. [2018-07-23 13:56:42,044 INFO L472 AbstractCegarLoop]: Interpolant automaton has 105 states. [2018-07-23 13:56:42,044 INFO L276 IsEmpty]: Start isEmpty. Operand 107 states and 107 transitions. [2018-07-23 13:56:42,044 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 107 [2018-07-23 13:56:42,044 INFO L349 BasicCegarLoop]: Found error trace [2018-07-23 13:56:42,044 INFO L357 BasicCegarLoop]: trace histogram [103, 1, 1, 1] [2018-07-23 13:56:42,045 INFO L414 AbstractCegarLoop]: === Iteration 104 === [mainErr0AssertViolationASSERT]=== [2018-07-23 13:56:42,045 INFO L82 PathProgramCache]: Analyzing trace with hash 748670278, now seen corresponding path program 103 times [2018-07-23 13:56:42,045 INFO L69 tionRefinementEngine]: Using refinement strategy FixedRefinementStrategy [2018-07-23 13:56:42,169 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-07-23 13:56:43,228 INFO L134 CoverageAnalysis]: Checked inductivity of 5356 backedges. 0 proven. 5356 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-07-23 13:56:43,228 INFO L309 seRefinementStrategy]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2018-07-23 13:56:43,228 INFO L324 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [105] total 105 [2018-07-23 13:56:43,228 INFO L142 lantAutomatonBuilder]: Constructing canonical interpolant automaton, with selfloop in false state [2018-07-23 13:56:43,228 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-07-23 13:56:43,229 INFO L185 omatonBuilderFactory]: Interpolants [29067#true, 29068#false, 29069#(or (= 0 (select main_a main_x)) (= main_x main_y)), 29070#(or (<= (select main_a main_x) 1) (= main_x main_y)), 29071#(or (= main_x main_y) (<= (select main_a main_x) 2)), 29072#(or (= main_x main_y) (<= (select main_a main_x) 3)), 29073#(or (<= (select main_a main_x) 4) (= main_x main_y)), 29074#(or (<= (select main_a main_x) 5) (= main_x main_y)), 29075#(or (<= (select main_a main_x) 6) (= main_x main_y)), 29076#(or (<= (select main_a main_x) 7) (= main_x main_y)), 29077#(or (<= (select main_a main_x) 8) (= main_x main_y)), 29078#(or (= main_x main_y) (<= (select main_a main_x) 9)), 29079#(or (= main_x main_y) (<= (select main_a main_x) 10)), 29080#(or (= main_x main_y) (<= (select main_a main_x) 11)), 29081#(or (<= (select main_a main_x) 12) (= main_x main_y)), 29082#(or (= main_x main_y) (<= (select main_a main_x) 13)), 29083#(or (<= (select main_a main_x) 14) (= main_x main_y)), 29084#(or (<= (select main_a main_x) 15) (= main_x main_y)), 29085#(or (<= (select main_a main_x) 16) (= main_x main_y)), 29086#(or (= main_x main_y) (<= (select main_a main_x) 17)), 29087#(or (<= (select main_a main_x) 18) (= main_x main_y)), 29088#(or (<= (select main_a main_x) 19) (= main_x main_y)), 29089#(or (= main_x main_y) (<= (select main_a main_x) 20)), 29090#(or (<= (select main_a main_x) 21) (= main_x main_y)), 29091#(or (= main_x main_y) (<= (select main_a main_x) 22)), 29092#(or (= main_x main_y) (<= (select main_a main_x) 23)), 29093#(or (<= (select main_a main_x) 24) (= main_x main_y)), 29094#(or (= main_x main_y) (<= (select main_a main_x) 25)), 29095#(or (<= (select main_a main_x) 26) (= main_x main_y)), 29096#(or (<= (select main_a main_x) 27) (= main_x main_y)), 29097#(or (<= (select main_a main_x) 28) (= main_x main_y)), 29098#(or (<= (select main_a main_x) 29) (= main_x main_y)), 29099#(or (= main_x main_y) (<= (select main_a main_x) 30)), 29100#(or (<= (select main_a main_x) 31) (= main_x main_y)), 29101#(or (<= (select main_a main_x) 32) (= main_x main_y)), 29102#(or (<= (select main_a main_x) 33) (= main_x main_y)), 29103#(or (<= (select main_a main_x) 34) (= main_x main_y)), 29104#(or (<= (select main_a main_x) 35) (= main_x main_y)), 29105#(or (<= (select main_a main_x) 36) (= main_x main_y)), 29106#(or (<= (select main_a main_x) 37) (= main_x main_y)), 29107#(or (<= (select main_a main_x) 38) (= main_x main_y)), 29108#(or (<= (select main_a main_x) 39) (= main_x main_y)), 29109#(or (<= (select main_a main_x) 40) (= main_x main_y)), 29110#(or (<= (select main_a main_x) 41) (= main_x main_y)), 29111#(or (<= (select main_a main_x) 42) (= main_x main_y)), 29112#(or (= main_x main_y) (<= (select main_a main_x) 43)), 29113#(or (= main_x main_y) (<= (select main_a main_x) 44)), 29114#(or (= main_x main_y) (<= (select main_a main_x) 45)), 29115#(or (<= (select main_a main_x) 46) (= main_x main_y)), 29116#(or (<= (select main_a main_x) 47) (= main_x main_y)), 29117#(or (<= (select main_a main_x) 48) (= main_x main_y)), 29118#(or (<= (select main_a main_x) 49) (= main_x main_y)), 29119#(or (<= (select main_a main_x) 50) (= main_x main_y)), 29120#(or (<= (select main_a main_x) 51) (= main_x main_y)), 29121#(or (= main_x main_y) (<= (select main_a main_x) 52)), 29122#(or (<= (select main_a main_x) 53) (= main_x main_y)), 29123#(or (<= (select main_a main_x) 54) (= main_x main_y)), 29124#(or (<= (select main_a main_x) 55) (= main_x main_y)), 29125#(or (= main_x main_y) (<= (select main_a main_x) 56)), 29126#(or (<= (select main_a main_x) 57) (= main_x main_y)), 29127#(or (<= (select main_a main_x) 58) (= main_x main_y)), 29128#(or (= main_x main_y) (<= (select main_a main_x) 59)), 29129#(or (= main_x main_y) (<= (select main_a main_x) 60)), 29130#(or (= main_x main_y) (<= (select main_a main_x) 61)), 29131#(or (<= (select main_a main_x) 62) (= main_x main_y)), 29132#(or (<= (select main_a main_x) 63) (= main_x main_y)), 29133#(or (= main_x main_y) (<= (select main_a main_x) 64)), 29134#(or (<= (select main_a main_x) 65) (= main_x main_y)), 29135#(or (= main_x main_y) (<= (select main_a main_x) 66)), 29136#(or (<= (select main_a main_x) 67) (= main_x main_y)), 29137#(or (= main_x main_y) (<= (select main_a main_x) 68)), 29138#(or (= main_x main_y) (<= (select main_a main_x) 69)), 29139#(or (<= (select main_a main_x) 70) (= main_x main_y)), 29140#(or (<= (select main_a main_x) 71) (= main_x main_y)), 29141#(or (= main_x main_y) (<= (select main_a main_x) 72)), 29142#(or (<= (select main_a main_x) 73) (= main_x main_y)), 29143#(or (= main_x main_y) (<= (select main_a main_x) 74)), 29144#(or (= main_x main_y) (<= (select main_a main_x) 75)), 29145#(or (<= (select main_a main_x) 76) (= main_x main_y)), 29146#(or (<= (select main_a main_x) 77) (= main_x main_y)), 29147#(or (<= (select main_a main_x) 78) (= main_x main_y)), 29148#(or (<= (select main_a main_x) 79) (= main_x main_y)), 29149#(or (<= (select main_a main_x) 80) (= main_x main_y)), 29150#(or (<= (select main_a main_x) 81) (= main_x main_y)), 29151#(or (<= (select main_a main_x) 82) (= main_x main_y)), 29152#(or (= main_x main_y) (<= (select main_a main_x) 83)), 29153#(or (<= (select main_a main_x) 84) (= main_x main_y)), 29154#(or (<= (select main_a main_x) 85) (= main_x main_y)), 29155#(or (<= (select main_a main_x) 86) (= main_x main_y)), 29156#(or (<= (select main_a main_x) 87) (= main_x main_y)), 29157#(or (<= (select main_a main_x) 88) (= main_x main_y)), 29158#(or (<= (select main_a main_x) 89) (= main_x main_y)), 29159#(or (<= (select main_a main_x) 90) (= main_x main_y)), 29160#(or (= main_x main_y) (<= (select main_a main_x) 91)), 29161#(or (<= (select main_a main_x) 92) (= main_x main_y)), 29162#(or (<= (select main_a main_x) 93) (= main_x main_y)), 29163#(or (= main_x main_y) (<= (select main_a main_x) 94)), 29164#(or (<= (select main_a main_x) 95) (= main_x main_y)), 29165#(or (<= (select main_a main_x) 96) (= main_x main_y)), 29166#(or (= main_x main_y) (<= (select main_a main_x) 97)), 29167#(or (<= (select main_a main_x) 98) (= main_x main_y)), 29168#(or (<= (select main_a main_x) 99) (= main_x main_y)), 29169#(or (<= (select main_a main_x) 100) (= main_x main_y)), 29170#(or (<= (select main_a main_x) 101) (= main_x main_y)), 29171#(or (= main_x main_y) (<= (select main_a main_x) 102)), 29172#(or (not (= (select main_a main_x) 1000)) (= main_x main_y))] [2018-07-23 13:56:43,229 INFO L134 CoverageAnalysis]: Checked inductivity of 5356 backedges. 0 proven. 5356 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-07-23 13:56:43,229 INFO L450 AbstractCegarLoop]: Interpolant automaton has 106 states [2018-07-23 13:56:43,230 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 106 interpolants. [2018-07-23 13:56:43,230 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=5565, Invalid=5565, Unknown=0, NotChecked=0, Total=11130 [2018-07-23 13:56:43,231 INFO L87 Difference]: Start difference. First operand 107 states and 107 transitions. Second operand 106 states. [2018-07-23 13:56:43,343 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-07-23 13:56:43,343 INFO L93 Difference]: Finished difference Result 110 states and 110 transitions. [2018-07-23 13:56:43,343 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 106 states. [2018-07-23 13:56:43,343 INFO L78 Accepts]: Start accepts. Automaton has 106 states. Word has length 106 [2018-07-23 13:56:43,343 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-07-23 13:56:43,344 INFO L225 Difference]: With dead ends: 110 [2018-07-23 13:56:43,344 INFO L226 Difference]: Without dead ends: 108 [2018-07-23 13:56:43,344 INFO L575 BasicCegarLoop]: 0 DeclaredPredicates, 105 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 104 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.9s TimeCoverageRelationStatistics Valid=5565, Invalid=5565, Unknown=0, NotChecked=0, Total=11130 [2018-07-23 13:56:43,344 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 108 states. [2018-07-23 13:56:43,353 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 108 to 108. [2018-07-23 13:56:43,353 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 108 states. [2018-07-23 13:56:43,353 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 108 states to 108 states and 108 transitions. [2018-07-23 13:56:43,354 INFO L78 Accepts]: Start accepts. Automaton has 108 states and 108 transitions. Word has length 106 [2018-07-23 13:56:43,354 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-07-23 13:56:43,354 INFO L471 AbstractCegarLoop]: Abstraction has 108 states and 108 transitions. [2018-07-23 13:56:43,354 INFO L472 AbstractCegarLoop]: Interpolant automaton has 106 states. [2018-07-23 13:56:43,354 INFO L276 IsEmpty]: Start isEmpty. Operand 108 states and 108 transitions. [2018-07-23 13:56:43,355 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 108 [2018-07-23 13:56:43,355 INFO L349 BasicCegarLoop]: Found error trace [2018-07-23 13:56:43,355 INFO L357 BasicCegarLoop]: trace histogram [104, 1, 1, 1] [2018-07-23 13:56:43,355 INFO L414 AbstractCegarLoop]: === Iteration 105 === [mainErr0AssertViolationASSERT]=== [2018-07-23 13:56:43,355 INFO L82 PathProgramCache]: Analyzing trace with hash 1733938272, now seen corresponding path program 104 times [2018-07-23 13:56:43,355 INFO L69 tionRefinementEngine]: Using refinement strategy FixedRefinementStrategy [2018-07-23 13:56:43,430 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-07-23 13:56:44,116 INFO L134 CoverageAnalysis]: Checked inductivity of 5460 backedges. 0 proven. 5460 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-07-23 13:56:44,116 INFO L309 seRefinementStrategy]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2018-07-23 13:56:44,116 INFO L324 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [106] total 106 [2018-07-23 13:56:44,116 INFO L142 lantAutomatonBuilder]: Constructing canonical interpolant automaton, with selfloop in false state [2018-07-23 13:56:44,117 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-07-23 13:56:44,117 INFO L185 omatonBuilderFactory]: Interpolants [29696#(or (<= (select main_a main_x) 85) (= main_x main_y)), 29697#(or (<= (select main_a main_x) 86) (= main_x main_y)), 29698#(or (<= (select main_a main_x) 87) (= main_x main_y)), 29699#(or (<= (select main_a main_x) 88) (= main_x main_y)), 29700#(or (<= (select main_a main_x) 89) (= main_x main_y)), 29701#(or (<= (select main_a main_x) 90) (= main_x main_y)), 29702#(or (= main_x main_y) (<= (select main_a main_x) 91)), 29703#(or (<= (select main_a main_x) 92) (= main_x main_y)), 29704#(or (<= (select main_a main_x) 93) (= main_x main_y)), 29705#(or (= main_x main_y) (<= (select main_a main_x) 94)), 29706#(or (<= (select main_a main_x) 95) (= main_x main_y)), 29707#(or (<= (select main_a main_x) 96) (= main_x main_y)), 29708#(or (= main_x main_y) (<= (select main_a main_x) 97)), 29709#(or (<= (select main_a main_x) 98) (= main_x main_y)), 29710#(or (<= (select main_a main_x) 99) (= main_x main_y)), 29711#(or (<= (select main_a main_x) 100) (= main_x main_y)), 29712#(or (<= (select main_a main_x) 101) (= main_x main_y)), 29713#(or (= main_x main_y) (<= (select main_a main_x) 102)), 29714#(or (<= (select main_a main_x) 103) (= main_x main_y)), 29715#(or (not (= (select main_a main_x) 1000)) (= main_x main_y)), 29609#true, 29610#false, 29611#(or (= 0 (select main_a main_x)) (= main_x main_y)), 29612#(or (<= (select main_a main_x) 1) (= main_x main_y)), 29613#(or (= main_x main_y) (<= (select main_a main_x) 2)), 29614#(or (= main_x main_y) (<= (select main_a main_x) 3)), 29615#(or (<= (select main_a main_x) 4) (= main_x main_y)), 29616#(or (<= (select main_a main_x) 5) (= main_x main_y)), 29617#(or (<= (select main_a main_x) 6) (= main_x main_y)), 29618#(or (<= (select main_a main_x) 7) (= main_x main_y)), 29619#(or (<= (select main_a main_x) 8) (= main_x main_y)), 29620#(or (= main_x main_y) (<= (select main_a main_x) 9)), 29621#(or (= main_x main_y) (<= (select main_a main_x) 10)), 29622#(or (= main_x main_y) (<= (select main_a main_x) 11)), 29623#(or (<= (select main_a main_x) 12) (= main_x main_y)), 29624#(or (= main_x main_y) (<= (select main_a main_x) 13)), 29625#(or (<= (select main_a main_x) 14) (= main_x main_y)), 29626#(or (<= (select main_a main_x) 15) (= main_x main_y)), 29627#(or (<= (select main_a main_x) 16) (= main_x main_y)), 29628#(or (= main_x main_y) (<= (select main_a main_x) 17)), 29629#(or (<= (select main_a main_x) 18) (= main_x main_y)), 29630#(or (<= (select main_a main_x) 19) (= main_x main_y)), 29631#(or (= main_x main_y) (<= (select main_a main_x) 20)), 29632#(or (<= (select main_a main_x) 21) (= main_x main_y)), 29633#(or (= main_x main_y) (<= (select main_a main_x) 22)), 29634#(or (= main_x main_y) (<= (select main_a main_x) 23)), 29635#(or (<= (select main_a main_x) 24) (= main_x main_y)), 29636#(or (= main_x main_y) (<= (select main_a main_x) 25)), 29637#(or (<= (select main_a main_x) 26) (= main_x main_y)), 29638#(or (<= (select main_a main_x) 27) (= main_x main_y)), 29639#(or (<= (select main_a main_x) 28) (= main_x main_y)), 29640#(or (<= (select main_a main_x) 29) (= main_x main_y)), 29641#(or (= main_x main_y) (<= (select main_a main_x) 30)), 29642#(or (<= (select main_a main_x) 31) (= main_x main_y)), 29643#(or (<= (select main_a main_x) 32) (= main_x main_y)), 29644#(or (<= (select main_a main_x) 33) (= main_x main_y)), 29645#(or (<= (select main_a main_x) 34) (= main_x main_y)), 29646#(or (<= (select main_a main_x) 35) (= main_x main_y)), 29647#(or (<= (select main_a main_x) 36) (= main_x main_y)), 29648#(or (<= (select main_a main_x) 37) (= main_x main_y)), 29649#(or (<= (select main_a main_x) 38) (= main_x main_y)), 29650#(or (<= (select main_a main_x) 39) (= main_x main_y)), 29651#(or (<= (select main_a main_x) 40) (= main_x main_y)), 29652#(or (<= (select main_a main_x) 41) (= main_x main_y)), 29653#(or (<= (select main_a main_x) 42) (= main_x main_y)), 29654#(or (= main_x main_y) (<= (select main_a main_x) 43)), 29655#(or (= main_x main_y) (<= (select main_a main_x) 44)), 29656#(or (= main_x main_y) (<= (select main_a main_x) 45)), 29657#(or (<= (select main_a main_x) 46) (= main_x main_y)), 29658#(or (<= (select main_a main_x) 47) (= main_x main_y)), 29659#(or (<= (select main_a main_x) 48) (= main_x main_y)), 29660#(or (<= (select main_a main_x) 49) (= main_x main_y)), 29661#(or (<= (select main_a main_x) 50) (= main_x main_y)), 29662#(or (<= (select main_a main_x) 51) (= main_x main_y)), 29663#(or (= main_x main_y) (<= (select main_a main_x) 52)), 29664#(or (<= (select main_a main_x) 53) (= main_x main_y)), 29665#(or (<= (select main_a main_x) 54) (= main_x main_y)), 29666#(or (<= (select main_a main_x) 55) (= main_x main_y)), 29667#(or (= main_x main_y) (<= (select main_a main_x) 56)), 29668#(or (<= (select main_a main_x) 57) (= main_x main_y)), 29669#(or (<= (select main_a main_x) 58) (= main_x main_y)), 29670#(or (= main_x main_y) (<= (select main_a main_x) 59)), 29671#(or (= main_x main_y) (<= (select main_a main_x) 60)), 29672#(or (= main_x main_y) (<= (select main_a main_x) 61)), 29673#(or (<= (select main_a main_x) 62) (= main_x main_y)), 29674#(or (<= (select main_a main_x) 63) (= main_x main_y)), 29675#(or (= main_x main_y) (<= (select main_a main_x) 64)), 29676#(or (<= (select main_a main_x) 65) (= main_x main_y)), 29677#(or (= main_x main_y) (<= (select main_a main_x) 66)), 29678#(or (<= (select main_a main_x) 67) (= main_x main_y)), 29679#(or (= main_x main_y) (<= (select main_a main_x) 68)), 29680#(or (= main_x main_y) (<= (select main_a main_x) 69)), 29681#(or (<= (select main_a main_x) 70) (= main_x main_y)), 29682#(or (<= (select main_a main_x) 71) (= main_x main_y)), 29683#(or (= main_x main_y) (<= (select main_a main_x) 72)), 29684#(or (<= (select main_a main_x) 73) (= main_x main_y)), 29685#(or (= main_x main_y) (<= (select main_a main_x) 74)), 29686#(or (= main_x main_y) (<= (select main_a main_x) 75)), 29687#(or (<= (select main_a main_x) 76) (= main_x main_y)), 29688#(or (<= (select main_a main_x) 77) (= main_x main_y)), 29689#(or (<= (select main_a main_x) 78) (= main_x main_y)), 29690#(or (<= (select main_a main_x) 79) (= main_x main_y)), 29691#(or (<= (select main_a main_x) 80) (= main_x main_y)), 29692#(or (<= (select main_a main_x) 81) (= main_x main_y)), 29693#(or (<= (select main_a main_x) 82) (= main_x main_y)), 29694#(or (= main_x main_y) (<= (select main_a main_x) 83)), 29695#(or (<= (select main_a main_x) 84) (= main_x main_y))] [2018-07-23 13:56:44,117 INFO L134 CoverageAnalysis]: Checked inductivity of 5460 backedges. 0 proven. 5460 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-07-23 13:56:44,117 INFO L450 AbstractCegarLoop]: Interpolant automaton has 107 states [2018-07-23 13:56:44,118 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 107 interpolants. [2018-07-23 13:56:44,119 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=5671, Invalid=5671, Unknown=0, NotChecked=0, Total=11342 [2018-07-23 13:56:44,119 INFO L87 Difference]: Start difference. First operand 108 states and 108 transitions. Second operand 107 states. [2018-07-23 13:56:44,200 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-07-23 13:56:44,200 INFO L93 Difference]: Finished difference Result 111 states and 111 transitions. [2018-07-23 13:56:44,200 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 107 states. [2018-07-23 13:56:44,200 INFO L78 Accepts]: Start accepts. Automaton has 107 states. Word has length 107 [2018-07-23 13:56:44,200 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-07-23 13:56:44,201 INFO L225 Difference]: With dead ends: 111 [2018-07-23 13:56:44,201 INFO L226 Difference]: Without dead ends: 109 [2018-07-23 13:56:44,202 INFO L575 BasicCegarLoop]: 0 DeclaredPredicates, 106 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 105 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.5s TimeCoverageRelationStatistics Valid=5671, Invalid=5671, Unknown=0, NotChecked=0, Total=11342 [2018-07-23 13:56:44,202 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 109 states. [2018-07-23 13:56:44,211 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 109 to 109. [2018-07-23 13:56:44,211 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 109 states. [2018-07-23 13:56:44,212 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 109 states to 109 states and 109 transitions. [2018-07-23 13:56:44,212 INFO L78 Accepts]: Start accepts. Automaton has 109 states and 109 transitions. Word has length 107 [2018-07-23 13:56:44,212 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-07-23 13:56:44,212 INFO L471 AbstractCegarLoop]: Abstraction has 109 states and 109 transitions. [2018-07-23 13:56:44,212 INFO L472 AbstractCegarLoop]: Interpolant automaton has 107 states. [2018-07-23 13:56:44,212 INFO L276 IsEmpty]: Start isEmpty. Operand 109 states and 109 transitions. [2018-07-23 13:56:44,213 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 109 [2018-07-23 13:56:44,213 INFO L349 BasicCegarLoop]: Found error trace [2018-07-23 13:56:44,213 INFO L357 BasicCegarLoop]: trace histogram [105, 1, 1, 1] [2018-07-23 13:56:44,213 INFO L414 AbstractCegarLoop]: === Iteration 106 === [mainErr0AssertViolationASSERT]=== [2018-07-23 13:56:44,213 INFO L82 PathProgramCache]: Analyzing trace with hash -2082492282, now seen corresponding path program 105 times [2018-07-23 13:56:44,214 INFO L69 tionRefinementEngine]: Using refinement strategy FixedRefinementStrategy [2018-07-23 13:56:44,339 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-07-23 13:56:45,067 INFO L134 CoverageAnalysis]: Checked inductivity of 5565 backedges. 0 proven. 5565 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-07-23 13:56:45,068 INFO L309 seRefinementStrategy]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2018-07-23 13:56:45,068 INFO L324 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [107] total 107 [2018-07-23 13:56:45,068 INFO L142 lantAutomatonBuilder]: Constructing canonical interpolant automaton, with selfloop in false state [2018-07-23 13:56:45,068 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-07-23 13:56:45,068 INFO L185 omatonBuilderFactory]: Interpolants [30208#(or (<= (select main_a main_x) 50) (= main_x main_y)), 30209#(or (<= (select main_a main_x) 51) (= main_x main_y)), 30210#(or (= main_x main_y) (<= (select main_a main_x) 52)), 30211#(or (<= (select main_a main_x) 53) (= main_x main_y)), 30212#(or (<= (select main_a main_x) 54) (= main_x main_y)), 30213#(or (<= (select main_a main_x) 55) (= main_x main_y)), 30214#(or (= main_x main_y) (<= (select main_a main_x) 56)), 30215#(or (<= (select main_a main_x) 57) (= main_x main_y)), 30216#(or (<= (select main_a main_x) 58) (= main_x main_y)), 30217#(or (= main_x main_y) (<= (select main_a main_x) 59)), 30218#(or (= main_x main_y) (<= (select main_a main_x) 60)), 30219#(or (= main_x main_y) (<= (select main_a main_x) 61)), 30220#(or (<= (select main_a main_x) 62) (= main_x main_y)), 30221#(or (<= (select main_a main_x) 63) (= main_x main_y)), 30222#(or (= main_x main_y) (<= (select main_a main_x) 64)), 30223#(or (<= (select main_a main_x) 65) (= main_x main_y)), 30224#(or (= main_x main_y) (<= (select main_a main_x) 66)), 30225#(or (<= (select main_a main_x) 67) (= main_x main_y)), 30226#(or (= main_x main_y) (<= (select main_a main_x) 68)), 30227#(or (= main_x main_y) (<= (select main_a main_x) 69)), 30228#(or (<= (select main_a main_x) 70) (= main_x main_y)), 30229#(or (<= (select main_a main_x) 71) (= main_x main_y)), 30230#(or (= main_x main_y) (<= (select main_a main_x) 72)), 30231#(or (<= (select main_a main_x) 73) (= main_x main_y)), 30232#(or (= main_x main_y) (<= (select main_a main_x) 74)), 30233#(or (= main_x main_y) (<= (select main_a main_x) 75)), 30234#(or (<= (select main_a main_x) 76) (= main_x main_y)), 30235#(or (<= (select main_a main_x) 77) (= main_x main_y)), 30236#(or (<= (select main_a main_x) 78) (= main_x main_y)), 30237#(or (<= (select main_a main_x) 79) (= main_x main_y)), 30238#(or (<= (select main_a main_x) 80) (= main_x main_y)), 30239#(or (<= (select main_a main_x) 81) (= main_x main_y)), 30240#(or (<= (select main_a main_x) 82) (= main_x main_y)), 30241#(or (= main_x main_y) (<= (select main_a main_x) 83)), 30242#(or (<= (select main_a main_x) 84) (= main_x main_y)), 30243#(or (<= (select main_a main_x) 85) (= main_x main_y)), 30244#(or (<= (select main_a main_x) 86) (= main_x main_y)), 30245#(or (<= (select main_a main_x) 87) (= main_x main_y)), 30246#(or (<= (select main_a main_x) 88) (= main_x main_y)), 30247#(or (<= (select main_a main_x) 89) (= main_x main_y)), 30248#(or (<= (select main_a main_x) 90) (= main_x main_y)), 30249#(or (= main_x main_y) (<= (select main_a main_x) 91)), 30250#(or (<= (select main_a main_x) 92) (= main_x main_y)), 30251#(or (<= (select main_a main_x) 93) (= main_x main_y)), 30252#(or (= main_x main_y) (<= (select main_a main_x) 94)), 30253#(or (<= (select main_a main_x) 95) (= main_x main_y)), 30254#(or (<= (select main_a main_x) 96) (= main_x main_y)), 30255#(or (= main_x main_y) (<= (select main_a main_x) 97)), 30256#(or (<= (select main_a main_x) 98) (= main_x main_y)), 30257#(or (<= (select main_a main_x) 99) (= main_x main_y)), 30258#(or (<= (select main_a main_x) 100) (= main_x main_y)), 30259#(or (<= (select main_a main_x) 101) (= main_x main_y)), 30260#(or (= main_x main_y) (<= (select main_a main_x) 102)), 30261#(or (<= (select main_a main_x) 103) (= main_x main_y)), 30262#(or (<= (select main_a main_x) 104) (= main_x main_y)), 30263#(or (not (= (select main_a main_x) 1000)) (= main_x main_y)), 30156#true, 30157#false, 30158#(or (= 0 (select main_a main_x)) (= main_x main_y)), 30159#(or (<= (select main_a main_x) 1) (= main_x main_y)), 30160#(or (= main_x main_y) (<= (select main_a main_x) 2)), 30161#(or (= main_x main_y) (<= (select main_a main_x) 3)), 30162#(or (<= (select main_a main_x) 4) (= main_x main_y)), 30163#(or (<= (select main_a main_x) 5) (= main_x main_y)), 30164#(or (<= (select main_a main_x) 6) (= main_x main_y)), 30165#(or (<= (select main_a main_x) 7) (= main_x main_y)), 30166#(or (<= (select main_a main_x) 8) (= main_x main_y)), 30167#(or (= main_x main_y) (<= (select main_a main_x) 9)), 30168#(or (= main_x main_y) (<= (select main_a main_x) 10)), 30169#(or (= main_x main_y) (<= (select main_a main_x) 11)), 30170#(or (<= (select main_a main_x) 12) (= main_x main_y)), 30171#(or (= main_x main_y) (<= (select main_a main_x) 13)), 30172#(or (<= (select main_a main_x) 14) (= main_x main_y)), 30173#(or (<= (select main_a main_x) 15) (= main_x main_y)), 30174#(or (<= (select main_a main_x) 16) (= main_x main_y)), 30175#(or (= main_x main_y) (<= (select main_a main_x) 17)), 30176#(or (<= (select main_a main_x) 18) (= main_x main_y)), 30177#(or (<= (select main_a main_x) 19) (= main_x main_y)), 30178#(or (= main_x main_y) (<= (select main_a main_x) 20)), 30179#(or (<= (select main_a main_x) 21) (= main_x main_y)), 30180#(or (= main_x main_y) (<= (select main_a main_x) 22)), 30181#(or (= main_x main_y) (<= (select main_a main_x) 23)), 30182#(or (<= (select main_a main_x) 24) (= main_x main_y)), 30183#(or (= main_x main_y) (<= (select main_a main_x) 25)), 30184#(or (<= (select main_a main_x) 26) (= main_x main_y)), 30185#(or (<= (select main_a main_x) 27) (= main_x main_y)), 30186#(or (<= (select main_a main_x) 28) (= main_x main_y)), 30187#(or (<= (select main_a main_x) 29) (= main_x main_y)), 30188#(or (= main_x main_y) (<= (select main_a main_x) 30)), 30189#(or (<= (select main_a main_x) 31) (= main_x main_y)), 30190#(or (<= (select main_a main_x) 32) (= main_x main_y)), 30191#(or (<= (select main_a main_x) 33) (= main_x main_y)), 30192#(or (<= (select main_a main_x) 34) (= main_x main_y)), 30193#(or (<= (select main_a main_x) 35) (= main_x main_y)), 30194#(or (<= (select main_a main_x) 36) (= main_x main_y)), 30195#(or (<= (select main_a main_x) 37) (= main_x main_y)), 30196#(or (<= (select main_a main_x) 38) (= main_x main_y)), 30197#(or (<= (select main_a main_x) 39) (= main_x main_y)), 30198#(or (<= (select main_a main_x) 40) (= main_x main_y)), 30199#(or (<= (select main_a main_x) 41) (= main_x main_y)), 30200#(or (<= (select main_a main_x) 42) (= main_x main_y)), 30201#(or (= main_x main_y) (<= (select main_a main_x) 43)), 30202#(or (= main_x main_y) (<= (select main_a main_x) 44)), 30203#(or (= main_x main_y) (<= (select main_a main_x) 45)), 30204#(or (<= (select main_a main_x) 46) (= main_x main_y)), 30205#(or (<= (select main_a main_x) 47) (= main_x main_y)), 30206#(or (<= (select main_a main_x) 48) (= main_x main_y)), 30207#(or (<= (select main_a main_x) 49) (= main_x main_y))] [2018-07-23 13:56:45,069 INFO L134 CoverageAnalysis]: Checked inductivity of 5565 backedges. 0 proven. 5565 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-07-23 13:56:45,069 INFO L450 AbstractCegarLoop]: Interpolant automaton has 108 states [2018-07-23 13:56:45,070 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 108 interpolants. [2018-07-23 13:56:45,070 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=5778, Invalid=5778, Unknown=0, NotChecked=0, Total=11556 [2018-07-23 13:56:45,071 INFO L87 Difference]: Start difference. First operand 109 states and 109 transitions. Second operand 108 states. [2018-07-23 13:56:45,145 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-07-23 13:56:45,145 INFO L93 Difference]: Finished difference Result 112 states and 112 transitions. [2018-07-23 13:56:45,145 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 108 states. [2018-07-23 13:56:45,145 INFO L78 Accepts]: Start accepts. Automaton has 108 states. Word has length 108 [2018-07-23 13:56:45,146 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-07-23 13:56:45,146 INFO L225 Difference]: With dead ends: 112 [2018-07-23 13:56:45,146 INFO L226 Difference]: Without dead ends: 110 [2018-07-23 13:56:45,147 INFO L575 BasicCegarLoop]: 0 DeclaredPredicates, 107 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 106 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.6s TimeCoverageRelationStatistics Valid=5778, Invalid=5778, Unknown=0, NotChecked=0, Total=11556 [2018-07-23 13:56:45,147 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 110 states. [2018-07-23 13:56:45,156 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 110 to 110. [2018-07-23 13:56:45,156 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 110 states. [2018-07-23 13:56:45,157 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 110 states to 110 states and 110 transitions. [2018-07-23 13:56:45,157 INFO L78 Accepts]: Start accepts. Automaton has 110 states and 110 transitions. Word has length 108 [2018-07-23 13:56:45,157 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-07-23 13:56:45,157 INFO L471 AbstractCegarLoop]: Abstraction has 110 states and 110 transitions. [2018-07-23 13:56:45,157 INFO L472 AbstractCegarLoop]: Interpolant automaton has 108 states. [2018-07-23 13:56:45,157 INFO L276 IsEmpty]: Start isEmpty. Operand 110 states and 110 transitions. [2018-07-23 13:56:45,158 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 110 [2018-07-23 13:56:45,158 INFO L349 BasicCegarLoop]: Found error trace [2018-07-23 13:56:45,158 INFO L357 BasicCegarLoop]: trace histogram [106, 1, 1, 1] [2018-07-23 13:56:45,158 INFO L414 AbstractCegarLoop]: === Iteration 107 === [mainErr0AssertViolationASSERT]=== [2018-07-23 13:56:45,159 INFO L82 PathProgramCache]: Analyzing trace with hash -132755168, now seen corresponding path program 106 times [2018-07-23 13:56:45,159 INFO L69 tionRefinementEngine]: Using refinement strategy FixedRefinementStrategy [2018-07-23 13:56:45,264 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-07-23 13:56:45,973 INFO L134 CoverageAnalysis]: Checked inductivity of 5671 backedges. 0 proven. 5671 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-07-23 13:56:45,973 INFO L309 seRefinementStrategy]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2018-07-23 13:56:45,974 INFO L324 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [108] total 108 [2018-07-23 13:56:45,974 INFO L142 lantAutomatonBuilder]: Constructing canonical interpolant automaton, with selfloop in false state [2018-07-23 13:56:45,974 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-07-23 13:56:45,974 INFO L185 omatonBuilderFactory]: Interpolants [30720#(or (= main_x main_y) (<= (select main_a main_x) 10)), 30721#(or (= main_x main_y) (<= (select main_a main_x) 11)), 30722#(or (<= (select main_a main_x) 12) (= main_x main_y)), 30723#(or (= main_x main_y) (<= (select main_a main_x) 13)), 30724#(or (<= (select main_a main_x) 14) (= main_x main_y)), 30725#(or (<= (select main_a main_x) 15) (= main_x main_y)), 30726#(or (<= (select main_a main_x) 16) (= main_x main_y)), 30727#(or (= main_x main_y) (<= (select main_a main_x) 17)), 30728#(or (<= (select main_a main_x) 18) (= main_x main_y)), 30729#(or (<= (select main_a main_x) 19) (= main_x main_y)), 30730#(or (= main_x main_y) (<= (select main_a main_x) 20)), 30731#(or (<= (select main_a main_x) 21) (= main_x main_y)), 30732#(or (= main_x main_y) (<= (select main_a main_x) 22)), 30733#(or (= main_x main_y) (<= (select main_a main_x) 23)), 30734#(or (<= (select main_a main_x) 24) (= main_x main_y)), 30735#(or (= main_x main_y) (<= (select main_a main_x) 25)), 30736#(or (<= (select main_a main_x) 26) (= main_x main_y)), 30737#(or (<= (select main_a main_x) 27) (= main_x main_y)), 30738#(or (<= (select main_a main_x) 28) (= main_x main_y)), 30739#(or (<= (select main_a main_x) 29) (= main_x main_y)), 30740#(or (= main_x main_y) (<= (select main_a main_x) 30)), 30741#(or (<= (select main_a main_x) 31) (= main_x main_y)), 30742#(or (<= (select main_a main_x) 32) (= main_x main_y)), 30743#(or (<= (select main_a main_x) 33) (= main_x main_y)), 30744#(or (<= (select main_a main_x) 34) (= main_x main_y)), 30745#(or (<= (select main_a main_x) 35) (= main_x main_y)), 30746#(or (<= (select main_a main_x) 36) (= main_x main_y)), 30747#(or (<= (select main_a main_x) 37) (= main_x main_y)), 30748#(or (<= (select main_a main_x) 38) (= main_x main_y)), 30749#(or (<= (select main_a main_x) 39) (= main_x main_y)), 30750#(or (<= (select main_a main_x) 40) (= main_x main_y)), 30751#(or (<= (select main_a main_x) 41) (= main_x main_y)), 30752#(or (<= (select main_a main_x) 42) (= main_x main_y)), 30753#(or (= main_x main_y) (<= (select main_a main_x) 43)), 30754#(or (= main_x main_y) (<= (select main_a main_x) 44)), 30755#(or (= main_x main_y) (<= (select main_a main_x) 45)), 30756#(or (<= (select main_a main_x) 46) (= main_x main_y)), 30757#(or (<= (select main_a main_x) 47) (= main_x main_y)), 30758#(or (<= (select main_a main_x) 48) (= main_x main_y)), 30759#(or (<= (select main_a main_x) 49) (= main_x main_y)), 30760#(or (<= (select main_a main_x) 50) (= main_x main_y)), 30761#(or (<= (select main_a main_x) 51) (= main_x main_y)), 30762#(or (= main_x main_y) (<= (select main_a main_x) 52)), 30763#(or (<= (select main_a main_x) 53) (= main_x main_y)), 30764#(or (<= (select main_a main_x) 54) (= main_x main_y)), 30765#(or (<= (select main_a main_x) 55) (= main_x main_y)), 30766#(or (= main_x main_y) (<= (select main_a main_x) 56)), 30767#(or (<= (select main_a main_x) 57) (= main_x main_y)), 30768#(or (<= (select main_a main_x) 58) (= main_x main_y)), 30769#(or (= main_x main_y) (<= (select main_a main_x) 59)), 30770#(or (= main_x main_y) (<= (select main_a main_x) 60)), 30771#(or (= main_x main_y) (<= (select main_a main_x) 61)), 30772#(or (<= (select main_a main_x) 62) (= main_x main_y)), 30773#(or (<= (select main_a main_x) 63) (= main_x main_y)), 30774#(or (= main_x main_y) (<= (select main_a main_x) 64)), 30775#(or (<= (select main_a main_x) 65) (= main_x main_y)), 30776#(or (= main_x main_y) (<= (select main_a main_x) 66)), 30777#(or (<= (select main_a main_x) 67) (= main_x main_y)), 30778#(or (= main_x main_y) (<= (select main_a main_x) 68)), 30779#(or (= main_x main_y) (<= (select main_a main_x) 69)), 30780#(or (<= (select main_a main_x) 70) (= main_x main_y)), 30781#(or (<= (select main_a main_x) 71) (= main_x main_y)), 30782#(or (= main_x main_y) (<= (select main_a main_x) 72)), 30783#(or (<= (select main_a main_x) 73) (= main_x main_y)), 30784#(or (= main_x main_y) (<= (select main_a main_x) 74)), 30785#(or (= main_x main_y) (<= (select main_a main_x) 75)), 30786#(or (<= (select main_a main_x) 76) (= main_x main_y)), 30787#(or (<= (select main_a main_x) 77) (= main_x main_y)), 30788#(or (<= (select main_a main_x) 78) (= main_x main_y)), 30789#(or (<= (select main_a main_x) 79) (= main_x main_y)), 30790#(or (<= (select main_a main_x) 80) (= main_x main_y)), 30791#(or (<= (select main_a main_x) 81) (= main_x main_y)), 30792#(or (<= (select main_a main_x) 82) (= main_x main_y)), 30793#(or (= main_x main_y) (<= (select main_a main_x) 83)), 30794#(or (<= (select main_a main_x) 84) (= main_x main_y)), 30795#(or (<= (select main_a main_x) 85) (= main_x main_y)), 30796#(or (<= (select main_a main_x) 86) (= main_x main_y)), 30797#(or (<= (select main_a main_x) 87) (= main_x main_y)), 30798#(or (<= (select main_a main_x) 88) (= main_x main_y)), 30799#(or (<= (select main_a main_x) 89) (= main_x main_y)), 30800#(or (<= (select main_a main_x) 90) (= main_x main_y)), 30801#(or (= main_x main_y) (<= (select main_a main_x) 91)), 30802#(or (<= (select main_a main_x) 92) (= main_x main_y)), 30803#(or (<= (select main_a main_x) 93) (= main_x main_y)), 30804#(or (= main_x main_y) (<= (select main_a main_x) 94)), 30805#(or (<= (select main_a main_x) 95) (= main_x main_y)), 30806#(or (<= (select main_a main_x) 96) (= main_x main_y)), 30807#(or (= main_x main_y) (<= (select main_a main_x) 97)), 30808#(or (<= (select main_a main_x) 98) (= main_x main_y)), 30809#(or (<= (select main_a main_x) 99) (= main_x main_y)), 30810#(or (<= (select main_a main_x) 100) (= main_x main_y)), 30811#(or (<= (select main_a main_x) 101) (= main_x main_y)), 30812#(or (= main_x main_y) (<= (select main_a main_x) 102)), 30813#(or (<= (select main_a main_x) 103) (= main_x main_y)), 30814#(or (<= (select main_a main_x) 104) (= main_x main_y)), 30815#(or (= main_x main_y) (<= (select main_a main_x) 105)), 30816#(or (not (= (select main_a main_x) 1000)) (= main_x main_y)), 30708#true, 30709#false, 30710#(or (= 0 (select main_a main_x)) (= main_x main_y)), 30711#(or (<= (select main_a main_x) 1) (= main_x main_y)), 30712#(or (= main_x main_y) (<= (select main_a main_x) 2)), 30713#(or (= main_x main_y) (<= (select main_a main_x) 3)), 30714#(or (<= (select main_a main_x) 4) (= main_x main_y)), 30715#(or (<= (select main_a main_x) 5) (= main_x main_y)), 30716#(or (<= (select main_a main_x) 6) (= main_x main_y)), 30717#(or (<= (select main_a main_x) 7) (= main_x main_y)), 30718#(or (<= (select main_a main_x) 8) (= main_x main_y)), 30719#(or (= main_x main_y) (<= (select main_a main_x) 9))] [2018-07-23 13:56:45,975 INFO L134 CoverageAnalysis]: Checked inductivity of 5671 backedges. 0 proven. 5671 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-07-23 13:56:45,975 INFO L450 AbstractCegarLoop]: Interpolant automaton has 109 states [2018-07-23 13:56:45,976 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 109 interpolants. [2018-07-23 13:56:45,976 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=5886, Invalid=5886, Unknown=0, NotChecked=0, Total=11772 [2018-07-23 13:56:45,976 INFO L87 Difference]: Start difference. First operand 110 states and 110 transitions. Second operand 109 states. [2018-07-23 13:56:46,113 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-07-23 13:56:46,113 INFO L93 Difference]: Finished difference Result 113 states and 113 transitions. [2018-07-23 13:56:46,113 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 109 states. [2018-07-23 13:56:46,113 INFO L78 Accepts]: Start accepts. Automaton has 109 states. Word has length 109 [2018-07-23 13:56:46,114 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-07-23 13:56:46,114 INFO L225 Difference]: With dead ends: 113 [2018-07-23 13:56:46,114 INFO L226 Difference]: Without dead ends: 111 [2018-07-23 13:56:46,115 INFO L575 BasicCegarLoop]: 0 DeclaredPredicates, 108 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 107 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.6s TimeCoverageRelationStatistics Valid=5886, Invalid=5886, Unknown=0, NotChecked=0, Total=11772 [2018-07-23 13:56:46,115 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 111 states. [2018-07-23 13:56:46,122 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 111 to 111. [2018-07-23 13:56:46,122 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 111 states. [2018-07-23 13:56:46,122 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 111 states to 111 states and 111 transitions. [2018-07-23 13:56:46,122 INFO L78 Accepts]: Start accepts. Automaton has 111 states and 111 transitions. Word has length 109 [2018-07-23 13:56:46,122 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-07-23 13:56:46,122 INFO L471 AbstractCegarLoop]: Abstraction has 111 states and 111 transitions. [2018-07-23 13:56:46,122 INFO L472 AbstractCegarLoop]: Interpolant automaton has 109 states. [2018-07-23 13:56:46,122 INFO L276 IsEmpty]: Start isEmpty. Operand 111 states and 111 transitions. [2018-07-23 13:56:46,123 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 111 [2018-07-23 13:56:46,123 INFO L349 BasicCegarLoop]: Found error trace [2018-07-23 13:56:46,123 INFO L357 BasicCegarLoop]: trace histogram [107, 1, 1, 1] [2018-07-23 13:56:46,123 INFO L414 AbstractCegarLoop]: === Iteration 108 === [mainErr0AssertViolationASSERT]=== [2018-07-23 13:56:46,123 INFO L82 PathProgramCache]: Analyzing trace with hash 179553222, now seen corresponding path program 107 times [2018-07-23 13:56:46,123 INFO L69 tionRefinementEngine]: Using refinement strategy FixedRefinementStrategy [2018-07-23 13:56:46,214 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-07-23 13:56:47,061 INFO L134 CoverageAnalysis]: Checked inductivity of 5778 backedges. 0 proven. 5778 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-07-23 13:56:47,061 INFO L309 seRefinementStrategy]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2018-07-23 13:56:47,061 INFO L324 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [109] total 109 [2018-07-23 13:56:47,061 INFO L142 lantAutomatonBuilder]: Constructing canonical interpolant automaton, with selfloop in false state [2018-07-23 13:56:47,061 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-07-23 13:56:47,062 INFO L185 omatonBuilderFactory]: Interpolants [31265#true, 31266#false, 31267#(or (= 0 (select main_a main_x)) (= main_x main_y)), 31268#(or (<= (select main_a main_x) 1) (= main_x main_y)), 31269#(or (= main_x main_y) (<= (select main_a main_x) 2)), 31270#(or (= main_x main_y) (<= (select main_a main_x) 3)), 31271#(or (<= (select main_a main_x) 4) (= main_x main_y)), 31272#(or (<= (select main_a main_x) 5) (= main_x main_y)), 31273#(or (<= (select main_a main_x) 6) (= main_x main_y)), 31274#(or (<= (select main_a main_x) 7) (= main_x main_y)), 31275#(or (<= (select main_a main_x) 8) (= main_x main_y)), 31276#(or (= main_x main_y) (<= (select main_a main_x) 9)), 31277#(or (= main_x main_y) (<= (select main_a main_x) 10)), 31278#(or (= main_x main_y) (<= (select main_a main_x) 11)), 31279#(or (<= (select main_a main_x) 12) (= main_x main_y)), 31280#(or (= main_x main_y) (<= (select main_a main_x) 13)), 31281#(or (<= (select main_a main_x) 14) (= main_x main_y)), 31282#(or (<= (select main_a main_x) 15) (= main_x main_y)), 31283#(or (<= (select main_a main_x) 16) (= main_x main_y)), 31284#(or (= main_x main_y) (<= (select main_a main_x) 17)), 31285#(or (<= (select main_a main_x) 18) (= main_x main_y)), 31286#(or (<= (select main_a main_x) 19) (= main_x main_y)), 31287#(or (= main_x main_y) (<= (select main_a main_x) 20)), 31288#(or (<= (select main_a main_x) 21) (= main_x main_y)), 31289#(or (= main_x main_y) (<= (select main_a main_x) 22)), 31290#(or (= main_x main_y) (<= (select main_a main_x) 23)), 31291#(or (<= (select main_a main_x) 24) (= main_x main_y)), 31292#(or (= main_x main_y) (<= (select main_a main_x) 25)), 31293#(or (<= (select main_a main_x) 26) (= main_x main_y)), 31294#(or (<= (select main_a main_x) 27) (= main_x main_y)), 31295#(or (<= (select main_a main_x) 28) (= main_x main_y)), 31296#(or (<= (select main_a main_x) 29) (= main_x main_y)), 31297#(or (= main_x main_y) (<= (select main_a main_x) 30)), 31298#(or (<= (select main_a main_x) 31) (= main_x main_y)), 31299#(or (<= (select main_a main_x) 32) (= main_x main_y)), 31300#(or (<= (select main_a main_x) 33) (= main_x main_y)), 31301#(or (<= (select main_a main_x) 34) (= main_x main_y)), 31302#(or (<= (select main_a main_x) 35) (= main_x main_y)), 31303#(or (<= (select main_a main_x) 36) (= main_x main_y)), 31304#(or (<= (select main_a main_x) 37) (= main_x main_y)), 31305#(or (<= (select main_a main_x) 38) (= main_x main_y)), 31306#(or (<= (select main_a main_x) 39) (= main_x main_y)), 31307#(or (<= (select main_a main_x) 40) (= main_x main_y)), 31308#(or (<= (select main_a main_x) 41) (= main_x main_y)), 31309#(or (<= (select main_a main_x) 42) (= main_x main_y)), 31310#(or (= main_x main_y) (<= (select main_a main_x) 43)), 31311#(or (= main_x main_y) (<= (select main_a main_x) 44)), 31312#(or (= main_x main_y) (<= (select main_a main_x) 45)), 31313#(or (<= (select main_a main_x) 46) (= main_x main_y)), 31314#(or (<= (select main_a main_x) 47) (= main_x main_y)), 31315#(or (<= (select main_a main_x) 48) (= main_x main_y)), 31316#(or (<= (select main_a main_x) 49) (= main_x main_y)), 31317#(or (<= (select main_a main_x) 50) (= main_x main_y)), 31318#(or (<= (select main_a main_x) 51) (= main_x main_y)), 31319#(or (= main_x main_y) (<= (select main_a main_x) 52)), 31320#(or (<= (select main_a main_x) 53) (= main_x main_y)), 31321#(or (<= (select main_a main_x) 54) (= main_x main_y)), 31322#(or (<= (select main_a main_x) 55) (= main_x main_y)), 31323#(or (= main_x main_y) (<= (select main_a main_x) 56)), 31324#(or (<= (select main_a main_x) 57) (= main_x main_y)), 31325#(or (<= (select main_a main_x) 58) (= main_x main_y)), 31326#(or (= main_x main_y) (<= (select main_a main_x) 59)), 31327#(or (= main_x main_y) (<= (select main_a main_x) 60)), 31328#(or (= main_x main_y) (<= (select main_a main_x) 61)), 31329#(or (<= (select main_a main_x) 62) (= main_x main_y)), 31330#(or (<= (select main_a main_x) 63) (= main_x main_y)), 31331#(or (= main_x main_y) (<= (select main_a main_x) 64)), 31332#(or (<= (select main_a main_x) 65) (= main_x main_y)), 31333#(or (= main_x main_y) (<= (select main_a main_x) 66)), 31334#(or (<= (select main_a main_x) 67) (= main_x main_y)), 31335#(or (= main_x main_y) (<= (select main_a main_x) 68)), 31336#(or (= main_x main_y) (<= (select main_a main_x) 69)), 31337#(or (<= (select main_a main_x) 70) (= main_x main_y)), 31338#(or (<= (select main_a main_x) 71) (= main_x main_y)), 31339#(or (= main_x main_y) (<= (select main_a main_x) 72)), 31340#(or (<= (select main_a main_x) 73) (= main_x main_y)), 31341#(or (= main_x main_y) (<= (select main_a main_x) 74)), 31342#(or (= main_x main_y) (<= (select main_a main_x) 75)), 31343#(or (<= (select main_a main_x) 76) (= main_x main_y)), 31344#(or (<= (select main_a main_x) 77) (= main_x main_y)), 31345#(or (<= (select main_a main_x) 78) (= main_x main_y)), 31346#(or (<= (select main_a main_x) 79) (= main_x main_y)), 31347#(or (<= (select main_a main_x) 80) (= main_x main_y)), 31348#(or (<= (select main_a main_x) 81) (= main_x main_y)), 31349#(or (<= (select main_a main_x) 82) (= main_x main_y)), 31350#(or (= main_x main_y) (<= (select main_a main_x) 83)), 31351#(or (<= (select main_a main_x) 84) (= main_x main_y)), 31352#(or (<= (select main_a main_x) 85) (= main_x main_y)), 31353#(or (<= (select main_a main_x) 86) (= main_x main_y)), 31354#(or (<= (select main_a main_x) 87) (= main_x main_y)), 31355#(or (<= (select main_a main_x) 88) (= main_x main_y)), 31356#(or (<= (select main_a main_x) 89) (= main_x main_y)), 31357#(or (<= (select main_a main_x) 90) (= main_x main_y)), 31358#(or (= main_x main_y) (<= (select main_a main_x) 91)), 31359#(or (<= (select main_a main_x) 92) (= main_x main_y)), 31360#(or (<= (select main_a main_x) 93) (= main_x main_y)), 31361#(or (= main_x main_y) (<= (select main_a main_x) 94)), 31362#(or (<= (select main_a main_x) 95) (= main_x main_y)), 31363#(or (<= (select main_a main_x) 96) (= main_x main_y)), 31364#(or (= main_x main_y) (<= (select main_a main_x) 97)), 31365#(or (<= (select main_a main_x) 98) (= main_x main_y)), 31366#(or (<= (select main_a main_x) 99) (= main_x main_y)), 31367#(or (<= (select main_a main_x) 100) (= main_x main_y)), 31368#(or (<= (select main_a main_x) 101) (= main_x main_y)), 31369#(or (= main_x main_y) (<= (select main_a main_x) 102)), 31370#(or (<= (select main_a main_x) 103) (= main_x main_y)), 31371#(or (<= (select main_a main_x) 104) (= main_x main_y)), 31372#(or (= main_x main_y) (<= (select main_a main_x) 105)), 31373#(or (= main_x main_y) (<= (select main_a main_x) 106)), 31374#(or (not (= (select main_a main_x) 1000)) (= main_x main_y))] [2018-07-23 13:56:47,062 INFO L134 CoverageAnalysis]: Checked inductivity of 5778 backedges. 0 proven. 5778 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-07-23 13:56:47,062 INFO L450 AbstractCegarLoop]: Interpolant automaton has 110 states [2018-07-23 13:56:47,063 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 110 interpolants. [2018-07-23 13:56:47,063 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=5995, Invalid=5995, Unknown=0, NotChecked=0, Total=11990 [2018-07-23 13:56:47,063 INFO L87 Difference]: Start difference. First operand 111 states and 111 transitions. Second operand 110 states. [2018-07-23 13:56:47,209 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-07-23 13:56:47,209 INFO L93 Difference]: Finished difference Result 114 states and 114 transitions. [2018-07-23 13:56:47,209 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 110 states. [2018-07-23 13:56:47,209 INFO L78 Accepts]: Start accepts. Automaton has 110 states. Word has length 110 [2018-07-23 13:56:47,209 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-07-23 13:56:47,210 INFO L225 Difference]: With dead ends: 114 [2018-07-23 13:56:47,210 INFO L226 Difference]: Without dead ends: 112 [2018-07-23 13:56:47,211 INFO L575 BasicCegarLoop]: 0 DeclaredPredicates, 109 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 108 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.7s TimeCoverageRelationStatistics Valid=5995, Invalid=5995, Unknown=0, NotChecked=0, Total=11990 [2018-07-23 13:56:47,211 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 112 states. [2018-07-23 13:56:47,219 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 112 to 112. [2018-07-23 13:56:47,219 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 112 states. [2018-07-23 13:56:47,219 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 112 states to 112 states and 112 transitions. [2018-07-23 13:56:47,219 INFO L78 Accepts]: Start accepts. Automaton has 112 states and 112 transitions. Word has length 110 [2018-07-23 13:56:47,220 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-07-23 13:56:47,220 INFO L471 AbstractCegarLoop]: Abstraction has 112 states and 112 transitions. [2018-07-23 13:56:47,220 INFO L472 AbstractCegarLoop]: Interpolant automaton has 110 states. [2018-07-23 13:56:47,220 INFO L276 IsEmpty]: Start isEmpty. Operand 112 states and 112 transitions. [2018-07-23 13:56:47,220 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 112 [2018-07-23 13:56:47,220 INFO L349 BasicCegarLoop]: Found error trace [2018-07-23 13:56:47,221 INFO L357 BasicCegarLoop]: trace histogram [108, 1, 1, 1] [2018-07-23 13:56:47,221 INFO L414 AbstractCegarLoop]: === Iteration 109 === [mainErr0AssertViolationASSERT]=== [2018-07-23 13:56:47,221 INFO L82 PathProgramCache]: Analyzing trace with hash 1271178720, now seen corresponding path program 108 times [2018-07-23 13:56:47,221 INFO L69 tionRefinementEngine]: Using refinement strategy FixedRefinementStrategy [2018-07-23 13:56:47,331 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-07-23 13:56:48,030 INFO L134 CoverageAnalysis]: Checked inductivity of 5886 backedges. 0 proven. 5886 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-07-23 13:56:48,031 INFO L309 seRefinementStrategy]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2018-07-23 13:56:48,031 INFO L324 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [110] total 110 [2018-07-23 13:56:48,031 INFO L142 lantAutomatonBuilder]: Constructing canonical interpolant automaton, with selfloop in false state [2018-07-23 13:56:48,031 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-07-23 13:56:48,032 INFO L185 omatonBuilderFactory]: Interpolants [31827#true, 31828#false, 31829#(or (= 0 (select main_a main_x)) (= main_x main_y)), 31830#(or (<= (select main_a main_x) 1) (= main_x main_y)), 31831#(or (= main_x main_y) (<= (select main_a main_x) 2)), 31832#(or (= main_x main_y) (<= (select main_a main_x) 3)), 31833#(or (<= (select main_a main_x) 4) (= main_x main_y)), 31834#(or (<= (select main_a main_x) 5) (= main_x main_y)), 31835#(or (<= (select main_a main_x) 6) (= main_x main_y)), 31836#(or (<= (select main_a main_x) 7) (= main_x main_y)), 31837#(or (<= (select main_a main_x) 8) (= main_x main_y)), 31838#(or (= main_x main_y) (<= (select main_a main_x) 9)), 31839#(or (= main_x main_y) (<= (select main_a main_x) 10)), 31840#(or (= main_x main_y) (<= (select main_a main_x) 11)), 31841#(or (<= (select main_a main_x) 12) (= main_x main_y)), 31842#(or (= main_x main_y) (<= (select main_a main_x) 13)), 31843#(or (<= (select main_a main_x) 14) (= main_x main_y)), 31844#(or (<= (select main_a main_x) 15) (= main_x main_y)), 31845#(or (<= (select main_a main_x) 16) (= main_x main_y)), 31846#(or (= main_x main_y) (<= (select main_a main_x) 17)), 31847#(or (<= (select main_a main_x) 18) (= main_x main_y)), 31848#(or (<= (select main_a main_x) 19) (= main_x main_y)), 31849#(or (= main_x main_y) (<= (select main_a main_x) 20)), 31850#(or (<= (select main_a main_x) 21) (= main_x main_y)), 31851#(or (= main_x main_y) (<= (select main_a main_x) 22)), 31852#(or (= main_x main_y) (<= (select main_a main_x) 23)), 31853#(or (<= (select main_a main_x) 24) (= main_x main_y)), 31854#(or (= main_x main_y) (<= (select main_a main_x) 25)), 31855#(or (<= (select main_a main_x) 26) (= main_x main_y)), 31856#(or (<= (select main_a main_x) 27) (= main_x main_y)), 31857#(or (<= (select main_a main_x) 28) (= main_x main_y)), 31858#(or (<= (select main_a main_x) 29) (= main_x main_y)), 31859#(or (= main_x main_y) (<= (select main_a main_x) 30)), 31860#(or (<= (select main_a main_x) 31) (= main_x main_y)), 31861#(or (<= (select main_a main_x) 32) (= main_x main_y)), 31862#(or (<= (select main_a main_x) 33) (= main_x main_y)), 31863#(or (<= (select main_a main_x) 34) (= main_x main_y)), 31864#(or (<= (select main_a main_x) 35) (= main_x main_y)), 31865#(or (<= (select main_a main_x) 36) (= main_x main_y)), 31866#(or (<= (select main_a main_x) 37) (= main_x main_y)), 31867#(or (<= (select main_a main_x) 38) (= main_x main_y)), 31868#(or (<= (select main_a main_x) 39) (= main_x main_y)), 31869#(or (<= (select main_a main_x) 40) (= main_x main_y)), 31870#(or (<= (select main_a main_x) 41) (= main_x main_y)), 31871#(or (<= (select main_a main_x) 42) (= main_x main_y)), 31872#(or (= main_x main_y) (<= (select main_a main_x) 43)), 31873#(or (= main_x main_y) (<= (select main_a main_x) 44)), 31874#(or (= main_x main_y) (<= (select main_a main_x) 45)), 31875#(or (<= (select main_a main_x) 46) (= main_x main_y)), 31876#(or (<= (select main_a main_x) 47) (= main_x main_y)), 31877#(or (<= (select main_a main_x) 48) (= main_x main_y)), 31878#(or (<= (select main_a main_x) 49) (= main_x main_y)), 31879#(or (<= (select main_a main_x) 50) (= main_x main_y)), 31880#(or (<= (select main_a main_x) 51) (= main_x main_y)), 31881#(or (= main_x main_y) (<= (select main_a main_x) 52)), 31882#(or (<= (select main_a main_x) 53) (= main_x main_y)), 31883#(or (<= (select main_a main_x) 54) (= main_x main_y)), 31884#(or (<= (select main_a main_x) 55) (= main_x main_y)), 31885#(or (= main_x main_y) (<= (select main_a main_x) 56)), 31886#(or (<= (select main_a main_x) 57) (= main_x main_y)), 31887#(or (<= (select main_a main_x) 58) (= main_x main_y)), 31888#(or (= main_x main_y) (<= (select main_a main_x) 59)), 31889#(or (= main_x main_y) (<= (select main_a main_x) 60)), 31890#(or (= main_x main_y) (<= (select main_a main_x) 61)), 31891#(or (<= (select main_a main_x) 62) (= main_x main_y)), 31892#(or (<= (select main_a main_x) 63) (= main_x main_y)), 31893#(or (= main_x main_y) (<= (select main_a main_x) 64)), 31894#(or (<= (select main_a main_x) 65) (= main_x main_y)), 31895#(or (= main_x main_y) (<= (select main_a main_x) 66)), 31896#(or (<= (select main_a main_x) 67) (= main_x main_y)), 31897#(or (= main_x main_y) (<= (select main_a main_x) 68)), 31898#(or (= main_x main_y) (<= (select main_a main_x) 69)), 31899#(or (<= (select main_a main_x) 70) (= main_x main_y)), 31900#(or (<= (select main_a main_x) 71) (= main_x main_y)), 31901#(or (= main_x main_y) (<= (select main_a main_x) 72)), 31902#(or (<= (select main_a main_x) 73) (= main_x main_y)), 31903#(or (= main_x main_y) (<= (select main_a main_x) 74)), 31904#(or (= main_x main_y) (<= (select main_a main_x) 75)), 31905#(or (<= (select main_a main_x) 76) (= main_x main_y)), 31906#(or (<= (select main_a main_x) 77) (= main_x main_y)), 31907#(or (<= (select main_a main_x) 78) (= main_x main_y)), 31908#(or (<= (select main_a main_x) 79) (= main_x main_y)), 31909#(or (<= (select main_a main_x) 80) (= main_x main_y)), 31910#(or (<= (select main_a main_x) 81) (= main_x main_y)), 31911#(or (<= (select main_a main_x) 82) (= main_x main_y)), 31912#(or (= main_x main_y) (<= (select main_a main_x) 83)), 31913#(or (<= (select main_a main_x) 84) (= main_x main_y)), 31914#(or (<= (select main_a main_x) 85) (= main_x main_y)), 31915#(or (<= (select main_a main_x) 86) (= main_x main_y)), 31916#(or (<= (select main_a main_x) 87) (= main_x main_y)), 31917#(or (<= (select main_a main_x) 88) (= main_x main_y)), 31918#(or (<= (select main_a main_x) 89) (= main_x main_y)), 31919#(or (<= (select main_a main_x) 90) (= main_x main_y)), 31920#(or (= main_x main_y) (<= (select main_a main_x) 91)), 31921#(or (<= (select main_a main_x) 92) (= main_x main_y)), 31922#(or (<= (select main_a main_x) 93) (= main_x main_y)), 31923#(or (= main_x main_y) (<= (select main_a main_x) 94)), 31924#(or (<= (select main_a main_x) 95) (= main_x main_y)), 31925#(or (<= (select main_a main_x) 96) (= main_x main_y)), 31926#(or (= main_x main_y) (<= (select main_a main_x) 97)), 31927#(or (<= (select main_a main_x) 98) (= main_x main_y)), 31928#(or (<= (select main_a main_x) 99) (= main_x main_y)), 31929#(or (<= (select main_a main_x) 100) (= main_x main_y)), 31930#(or (<= (select main_a main_x) 101) (= main_x main_y)), 31931#(or (= main_x main_y) (<= (select main_a main_x) 102)), 31932#(or (<= (select main_a main_x) 103) (= main_x main_y)), 31933#(or (<= (select main_a main_x) 104) (= main_x main_y)), 31934#(or (= main_x main_y) (<= (select main_a main_x) 105)), 31935#(or (= main_x main_y) (<= (select main_a main_x) 106)), 31936#(or (<= (select main_a main_x) 107) (= main_x main_y)), 31937#(or (not (= (select main_a main_x) 1000)) (= main_x main_y))] [2018-07-23 13:56:48,032 INFO L134 CoverageAnalysis]: Checked inductivity of 5886 backedges. 0 proven. 5886 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-07-23 13:56:48,032 INFO L450 AbstractCegarLoop]: Interpolant automaton has 111 states [2018-07-23 13:56:48,033 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 111 interpolants. [2018-07-23 13:56:48,034 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=6105, Invalid=6105, Unknown=0, NotChecked=0, Total=12210 [2018-07-23 13:56:48,035 INFO L87 Difference]: Start difference. First operand 112 states and 112 transitions. Second operand 111 states. [2018-07-23 13:56:48,151 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-07-23 13:56:48,151 INFO L93 Difference]: Finished difference Result 115 states and 115 transitions. [2018-07-23 13:56:48,151 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 111 states. [2018-07-23 13:56:48,151 INFO L78 Accepts]: Start accepts. Automaton has 111 states. Word has length 111 [2018-07-23 13:56:48,152 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-07-23 13:56:48,152 INFO L225 Difference]: With dead ends: 115 [2018-07-23 13:56:48,152 INFO L226 Difference]: Without dead ends: 113 [2018-07-23 13:56:48,153 INFO L575 BasicCegarLoop]: 0 DeclaredPredicates, 110 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 109 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.6s TimeCoverageRelationStatistics Valid=6105, Invalid=6105, Unknown=0, NotChecked=0, Total=12210 [2018-07-23 13:56:48,153 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 113 states. [2018-07-23 13:56:48,162 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 113 to 113. [2018-07-23 13:56:48,162 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 113 states. [2018-07-23 13:56:48,162 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 113 states to 113 states and 113 transitions. [2018-07-23 13:56:48,162 INFO L78 Accepts]: Start accepts. Automaton has 113 states and 113 transitions. Word has length 111 [2018-07-23 13:56:48,162 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-07-23 13:56:48,163 INFO L471 AbstractCegarLoop]: Abstraction has 113 states and 113 transitions. [2018-07-23 13:56:48,163 INFO L472 AbstractCegarLoop]: Interpolant automaton has 111 states. [2018-07-23 13:56:48,163 INFO L276 IsEmpty]: Start isEmpty. Operand 113 states and 113 transitions. [2018-07-23 13:56:48,163 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 113 [2018-07-23 13:56:48,163 INFO L349 BasicCegarLoop]: Found error trace [2018-07-23 13:56:48,163 INFO L357 BasicCegarLoop]: trace histogram [109, 1, 1, 1] [2018-07-23 13:56:48,164 INFO L414 AbstractCegarLoop]: === Iteration 110 === [mainErr0AssertViolationASSERT]=== [2018-07-23 13:56:48,164 INFO L82 PathProgramCache]: Analyzing trace with hash 751830790, now seen corresponding path program 109 times [2018-07-23 13:56:48,164 INFO L69 tionRefinementEngine]: Using refinement strategy FixedRefinementStrategy [2018-07-23 13:56:48,271 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-07-23 13:56:49,022 INFO L134 CoverageAnalysis]: Checked inductivity of 5995 backedges. 0 proven. 5995 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-07-23 13:56:49,023 INFO L309 seRefinementStrategy]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2018-07-23 13:56:49,023 INFO L324 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [111] total 111 [2018-07-23 13:56:49,023 INFO L142 lantAutomatonBuilder]: Constructing canonical interpolant automaton, with selfloop in false state [2018-07-23 13:56:49,023 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-07-23 13:56:49,023 INFO L185 omatonBuilderFactory]: Interpolants [32394#true, 32395#false, 32396#(or (= 0 (select main_a main_x)) (= main_x main_y)), 32397#(or (<= (select main_a main_x) 1) (= main_x main_y)), 32398#(or (= main_x main_y) (<= (select main_a main_x) 2)), 32399#(or (= main_x main_y) (<= (select main_a main_x) 3)), 32400#(or (<= (select main_a main_x) 4) (= main_x main_y)), 32401#(or (<= (select main_a main_x) 5) (= main_x main_y)), 32402#(or (<= (select main_a main_x) 6) (= main_x main_y)), 32403#(or (<= (select main_a main_x) 7) (= main_x main_y)), 32404#(or (<= (select main_a main_x) 8) (= main_x main_y)), 32405#(or (= main_x main_y) (<= (select main_a main_x) 9)), 32406#(or (= main_x main_y) (<= (select main_a main_x) 10)), 32407#(or (= main_x main_y) (<= (select main_a main_x) 11)), 32408#(or (<= (select main_a main_x) 12) (= main_x main_y)), 32409#(or (= main_x main_y) (<= (select main_a main_x) 13)), 32410#(or (<= (select main_a main_x) 14) (= main_x main_y)), 32411#(or (<= (select main_a main_x) 15) (= main_x main_y)), 32412#(or (<= (select main_a main_x) 16) (= main_x main_y)), 32413#(or (= main_x main_y) (<= (select main_a main_x) 17)), 32414#(or (<= (select main_a main_x) 18) (= main_x main_y)), 32415#(or (<= (select main_a main_x) 19) (= main_x main_y)), 32416#(or (= main_x main_y) (<= (select main_a main_x) 20)), 32417#(or (<= (select main_a main_x) 21) (= main_x main_y)), 32418#(or (= main_x main_y) (<= (select main_a main_x) 22)), 32419#(or (= main_x main_y) (<= (select main_a main_x) 23)), 32420#(or (<= (select main_a main_x) 24) (= main_x main_y)), 32421#(or (= main_x main_y) (<= (select main_a main_x) 25)), 32422#(or (<= (select main_a main_x) 26) (= main_x main_y)), 32423#(or (<= (select main_a main_x) 27) (= main_x main_y)), 32424#(or (<= (select main_a main_x) 28) (= main_x main_y)), 32425#(or (<= (select main_a main_x) 29) (= main_x main_y)), 32426#(or (= main_x main_y) (<= (select main_a main_x) 30)), 32427#(or (<= (select main_a main_x) 31) (= main_x main_y)), 32428#(or (<= (select main_a main_x) 32) (= main_x main_y)), 32429#(or (<= (select main_a main_x) 33) (= main_x main_y)), 32430#(or (<= (select main_a main_x) 34) (= main_x main_y)), 32431#(or (<= (select main_a main_x) 35) (= main_x main_y)), 32432#(or (<= (select main_a main_x) 36) (= main_x main_y)), 32433#(or (<= (select main_a main_x) 37) (= main_x main_y)), 32434#(or (<= (select main_a main_x) 38) (= main_x main_y)), 32435#(or (<= (select main_a main_x) 39) (= main_x main_y)), 32436#(or (<= (select main_a main_x) 40) (= main_x main_y)), 32437#(or (<= (select main_a main_x) 41) (= main_x main_y)), 32438#(or (<= (select main_a main_x) 42) (= main_x main_y)), 32439#(or (= main_x main_y) (<= (select main_a main_x) 43)), 32440#(or (= main_x main_y) (<= (select main_a main_x) 44)), 32441#(or (= main_x main_y) (<= (select main_a main_x) 45)), 32442#(or (<= (select main_a main_x) 46) (= main_x main_y)), 32443#(or (<= (select main_a main_x) 47) (= main_x main_y)), 32444#(or (<= (select main_a main_x) 48) (= main_x main_y)), 32445#(or (<= (select main_a main_x) 49) (= main_x main_y)), 32446#(or (<= (select main_a main_x) 50) (= main_x main_y)), 32447#(or (<= (select main_a main_x) 51) (= main_x main_y)), 32448#(or (= main_x main_y) (<= (select main_a main_x) 52)), 32449#(or (<= (select main_a main_x) 53) (= main_x main_y)), 32450#(or (<= (select main_a main_x) 54) (= main_x main_y)), 32451#(or (<= (select main_a main_x) 55) (= main_x main_y)), 32452#(or (= main_x main_y) (<= (select main_a main_x) 56)), 32453#(or (<= (select main_a main_x) 57) (= main_x main_y)), 32454#(or (<= (select main_a main_x) 58) (= main_x main_y)), 32455#(or (= main_x main_y) (<= (select main_a main_x) 59)), 32456#(or (= main_x main_y) (<= (select main_a main_x) 60)), 32457#(or (= main_x main_y) (<= (select main_a main_x) 61)), 32458#(or (<= (select main_a main_x) 62) (= main_x main_y)), 32459#(or (<= (select main_a main_x) 63) (= main_x main_y)), 32460#(or (= main_x main_y) (<= (select main_a main_x) 64)), 32461#(or (<= (select main_a main_x) 65) (= main_x main_y)), 32462#(or (= main_x main_y) (<= (select main_a main_x) 66)), 32463#(or (<= (select main_a main_x) 67) (= main_x main_y)), 32464#(or (= main_x main_y) (<= (select main_a main_x) 68)), 32465#(or (= main_x main_y) (<= (select main_a main_x) 69)), 32466#(or (<= (select main_a main_x) 70) (= main_x main_y)), 32467#(or (<= (select main_a main_x) 71) (= main_x main_y)), 32468#(or (= main_x main_y) (<= (select main_a main_x) 72)), 32469#(or (<= (select main_a main_x) 73) (= main_x main_y)), 32470#(or (= main_x main_y) (<= (select main_a main_x) 74)), 32471#(or (= main_x main_y) (<= (select main_a main_x) 75)), 32472#(or (<= (select main_a main_x) 76) (= main_x main_y)), 32473#(or (<= (select main_a main_x) 77) (= main_x main_y)), 32474#(or (<= (select main_a main_x) 78) (= main_x main_y)), 32475#(or (<= (select main_a main_x) 79) (= main_x main_y)), 32476#(or (<= (select main_a main_x) 80) (= main_x main_y)), 32477#(or (<= (select main_a main_x) 81) (= main_x main_y)), 32478#(or (<= (select main_a main_x) 82) (= main_x main_y)), 32479#(or (= main_x main_y) (<= (select main_a main_x) 83)), 32480#(or (<= (select main_a main_x) 84) (= main_x main_y)), 32481#(or (<= (select main_a main_x) 85) (= main_x main_y)), 32482#(or (<= (select main_a main_x) 86) (= main_x main_y)), 32483#(or (<= (select main_a main_x) 87) (= main_x main_y)), 32484#(or (<= (select main_a main_x) 88) (= main_x main_y)), 32485#(or (<= (select main_a main_x) 89) (= main_x main_y)), 32486#(or (<= (select main_a main_x) 90) (= main_x main_y)), 32487#(or (= main_x main_y) (<= (select main_a main_x) 91)), 32488#(or (<= (select main_a main_x) 92) (= main_x main_y)), 32489#(or (<= (select main_a main_x) 93) (= main_x main_y)), 32490#(or (= main_x main_y) (<= (select main_a main_x) 94)), 32491#(or (<= (select main_a main_x) 95) (= main_x main_y)), 32492#(or (<= (select main_a main_x) 96) (= main_x main_y)), 32493#(or (= main_x main_y) (<= (select main_a main_x) 97)), 32494#(or (<= (select main_a main_x) 98) (= main_x main_y)), 32495#(or (<= (select main_a main_x) 99) (= main_x main_y)), 32496#(or (<= (select main_a main_x) 100) (= main_x main_y)), 32497#(or (<= (select main_a main_x) 101) (= main_x main_y)), 32498#(or (= main_x main_y) (<= (select main_a main_x) 102)), 32499#(or (<= (select main_a main_x) 103) (= main_x main_y)), 32500#(or (<= (select main_a main_x) 104) (= main_x main_y)), 32501#(or (= main_x main_y) (<= (select main_a main_x) 105)), 32502#(or (= main_x main_y) (<= (select main_a main_x) 106)), 32503#(or (<= (select main_a main_x) 107) (= main_x main_y)), 32504#(or (<= (select main_a main_x) 108) (= main_x main_y)), 32505#(or (not (= (select main_a main_x) 1000)) (= main_x main_y))] [2018-07-23 13:56:49,024 INFO L134 CoverageAnalysis]: Checked inductivity of 5995 backedges. 0 proven. 5995 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-07-23 13:56:49,024 INFO L450 AbstractCegarLoop]: Interpolant automaton has 112 states [2018-07-23 13:56:49,025 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 112 interpolants. [2018-07-23 13:56:49,026 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=6216, Invalid=6216, Unknown=0, NotChecked=0, Total=12432 [2018-07-23 13:56:49,026 INFO L87 Difference]: Start difference. First operand 113 states and 113 transitions. Second operand 112 states. [2018-07-23 13:56:49,194 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-07-23 13:56:49,195 INFO L93 Difference]: Finished difference Result 116 states and 116 transitions. [2018-07-23 13:56:49,195 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 112 states. [2018-07-23 13:56:49,195 INFO L78 Accepts]: Start accepts. Automaton has 112 states. Word has length 112 [2018-07-23 13:56:49,195 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-07-23 13:56:49,196 INFO L225 Difference]: With dead ends: 116 [2018-07-23 13:56:49,196 INFO L226 Difference]: Without dead ends: 114 [2018-07-23 13:56:49,197 INFO L575 BasicCegarLoop]: 0 DeclaredPredicates, 111 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 110 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.6s TimeCoverageRelationStatistics Valid=6216, Invalid=6216, Unknown=0, NotChecked=0, Total=12432 [2018-07-23 13:56:49,197 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 114 states. [2018-07-23 13:56:49,205 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 114 to 114. [2018-07-23 13:56:49,205 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 114 states. [2018-07-23 13:56:49,206 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 114 states to 114 states and 114 transitions. [2018-07-23 13:56:49,206 INFO L78 Accepts]: Start accepts. Automaton has 114 states and 114 transitions. Word has length 112 [2018-07-23 13:56:49,206 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-07-23 13:56:49,206 INFO L471 AbstractCegarLoop]: Abstraction has 114 states and 114 transitions. [2018-07-23 13:56:49,206 INFO L472 AbstractCegarLoop]: Interpolant automaton has 112 states. [2018-07-23 13:56:49,206 INFO L276 IsEmpty]: Start isEmpty. Operand 114 states and 114 transitions. [2018-07-23 13:56:49,207 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 114 [2018-07-23 13:56:49,207 INFO L349 BasicCegarLoop]: Found error trace [2018-07-23 13:56:49,207 INFO L357 BasicCegarLoop]: trace histogram [110, 1, 1, 1] [2018-07-23 13:56:49,207 INFO L414 AbstractCegarLoop]: === Iteration 111 === [mainErr0AssertViolationASSERT]=== [2018-07-23 13:56:49,207 INFO L82 PathProgramCache]: Analyzing trace with hash 1831914144, now seen corresponding path program 110 times [2018-07-23 13:56:49,207 INFO L69 tionRefinementEngine]: Using refinement strategy FixedRefinementStrategy [2018-07-23 13:56:49,310 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-07-23 13:56:50,086 INFO L134 CoverageAnalysis]: Checked inductivity of 6105 backedges. 0 proven. 6105 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-07-23 13:56:50,086 INFO L309 seRefinementStrategy]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2018-07-23 13:56:50,086 INFO L324 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [112] total 112 [2018-07-23 13:56:50,086 INFO L142 lantAutomatonBuilder]: Constructing canonical interpolant automaton, with selfloop in false state [2018-07-23 13:56:50,086 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-07-23 13:56:50,087 INFO L185 omatonBuilderFactory]: Interpolants [33024#(or (= main_x main_y) (<= (select main_a main_x) 56)), 33025#(or (<= (select main_a main_x) 57) (= main_x main_y)), 33026#(or (<= (select main_a main_x) 58) (= main_x main_y)), 33027#(or (= main_x main_y) (<= (select main_a main_x) 59)), 33028#(or (= main_x main_y) (<= (select main_a main_x) 60)), 33029#(or (= main_x main_y) (<= (select main_a main_x) 61)), 33030#(or (<= (select main_a main_x) 62) (= main_x main_y)), 33031#(or (<= (select main_a main_x) 63) (= main_x main_y)), 33032#(or (= main_x main_y) (<= (select main_a main_x) 64)), 33033#(or (<= (select main_a main_x) 65) (= main_x main_y)), 33034#(or (= main_x main_y) (<= (select main_a main_x) 66)), 33035#(or (<= (select main_a main_x) 67) (= main_x main_y)), 33036#(or (= main_x main_y) (<= (select main_a main_x) 68)), 33037#(or (= main_x main_y) (<= (select main_a main_x) 69)), 33038#(or (<= (select main_a main_x) 70) (= main_x main_y)), 33039#(or (<= (select main_a main_x) 71) (= main_x main_y)), 33040#(or (= main_x main_y) (<= (select main_a main_x) 72)), 33041#(or (<= (select main_a main_x) 73) (= main_x main_y)), 33042#(or (= main_x main_y) (<= (select main_a main_x) 74)), 33043#(or (= main_x main_y) (<= (select main_a main_x) 75)), 33044#(or (<= (select main_a main_x) 76) (= main_x main_y)), 33045#(or (<= (select main_a main_x) 77) (= main_x main_y)), 33046#(or (<= (select main_a main_x) 78) (= main_x main_y)), 33047#(or (<= (select main_a main_x) 79) (= main_x main_y)), 33048#(or (<= (select main_a main_x) 80) (= main_x main_y)), 33049#(or (<= (select main_a main_x) 81) (= main_x main_y)), 33050#(or (<= (select main_a main_x) 82) (= main_x main_y)), 33051#(or (= main_x main_y) (<= (select main_a main_x) 83)), 33052#(or (<= (select main_a main_x) 84) (= main_x main_y)), 33053#(or (<= (select main_a main_x) 85) (= main_x main_y)), 33054#(or (<= (select main_a main_x) 86) (= main_x main_y)), 33055#(or (<= (select main_a main_x) 87) (= main_x main_y)), 33056#(or (<= (select main_a main_x) 88) (= main_x main_y)), 33057#(or (<= (select main_a main_x) 89) (= main_x main_y)), 33058#(or (<= (select main_a main_x) 90) (= main_x main_y)), 33059#(or (= main_x main_y) (<= (select main_a main_x) 91)), 33060#(or (<= (select main_a main_x) 92) (= main_x main_y)), 33061#(or (<= (select main_a main_x) 93) (= main_x main_y)), 33062#(or (= main_x main_y) (<= (select main_a main_x) 94)), 33063#(or (<= (select main_a main_x) 95) (= main_x main_y)), 33064#(or (<= (select main_a main_x) 96) (= main_x main_y)), 33065#(or (= main_x main_y) (<= (select main_a main_x) 97)), 33066#(or (<= (select main_a main_x) 98) (= main_x main_y)), 33067#(or (<= (select main_a main_x) 99) (= main_x main_y)), 33068#(or (<= (select main_a main_x) 100) (= main_x main_y)), 33069#(or (<= (select main_a main_x) 101) (= main_x main_y)), 33070#(or (= main_x main_y) (<= (select main_a main_x) 102)), 33071#(or (<= (select main_a main_x) 103) (= main_x main_y)), 33072#(or (<= (select main_a main_x) 104) (= main_x main_y)), 33073#(or (= main_x main_y) (<= (select main_a main_x) 105)), 33074#(or (= main_x main_y) (<= (select main_a main_x) 106)), 33075#(or (<= (select main_a main_x) 107) (= main_x main_y)), 33076#(or (<= (select main_a main_x) 108) (= main_x main_y)), 33077#(or (= main_x main_y) (<= (select main_a main_x) 109)), 33078#(or (not (= (select main_a main_x) 1000)) (= main_x main_y)), 32966#true, 32967#false, 32968#(or (= 0 (select main_a main_x)) (= main_x main_y)), 32969#(or (<= (select main_a main_x) 1) (= main_x main_y)), 32970#(or (= main_x main_y) (<= (select main_a main_x) 2)), 32971#(or (= main_x main_y) (<= (select main_a main_x) 3)), 32972#(or (<= (select main_a main_x) 4) (= main_x main_y)), 32973#(or (<= (select main_a main_x) 5) (= main_x main_y)), 32974#(or (<= (select main_a main_x) 6) (= main_x main_y)), 32975#(or (<= (select main_a main_x) 7) (= main_x main_y)), 32976#(or (<= (select main_a main_x) 8) (= main_x main_y)), 32977#(or (= main_x main_y) (<= (select main_a main_x) 9)), 32978#(or (= main_x main_y) (<= (select main_a main_x) 10)), 32979#(or (= main_x main_y) (<= (select main_a main_x) 11)), 32980#(or (<= (select main_a main_x) 12) (= main_x main_y)), 32981#(or (= main_x main_y) (<= (select main_a main_x) 13)), 32982#(or (<= (select main_a main_x) 14) (= main_x main_y)), 32983#(or (<= (select main_a main_x) 15) (= main_x main_y)), 32984#(or (<= (select main_a main_x) 16) (= main_x main_y)), 32985#(or (= main_x main_y) (<= (select main_a main_x) 17)), 32986#(or (<= (select main_a main_x) 18) (= main_x main_y)), 32987#(or (<= (select main_a main_x) 19) (= main_x main_y)), 32988#(or (= main_x main_y) (<= (select main_a main_x) 20)), 32989#(or (<= (select main_a main_x) 21) (= main_x main_y)), 32990#(or (= main_x main_y) (<= (select main_a main_x) 22)), 32991#(or (= main_x main_y) (<= (select main_a main_x) 23)), 32992#(or (<= (select main_a main_x) 24) (= main_x main_y)), 32993#(or (= main_x main_y) (<= (select main_a main_x) 25)), 32994#(or (<= (select main_a main_x) 26) (= main_x main_y)), 32995#(or (<= (select main_a main_x) 27) (= main_x main_y)), 32996#(or (<= (select main_a main_x) 28) (= main_x main_y)), 32997#(or (<= (select main_a main_x) 29) (= main_x main_y)), 32998#(or (= main_x main_y) (<= (select main_a main_x) 30)), 32999#(or (<= (select main_a main_x) 31) (= main_x main_y)), 33000#(or (<= (select main_a main_x) 32) (= main_x main_y)), 33001#(or (<= (select main_a main_x) 33) (= main_x main_y)), 33002#(or (<= (select main_a main_x) 34) (= main_x main_y)), 33003#(or (<= (select main_a main_x) 35) (= main_x main_y)), 33004#(or (<= (select main_a main_x) 36) (= main_x main_y)), 33005#(or (<= (select main_a main_x) 37) (= main_x main_y)), 33006#(or (<= (select main_a main_x) 38) (= main_x main_y)), 33007#(or (<= (select main_a main_x) 39) (= main_x main_y)), 33008#(or (<= (select main_a main_x) 40) (= main_x main_y)), 33009#(or (<= (select main_a main_x) 41) (= main_x main_y)), 33010#(or (<= (select main_a main_x) 42) (= main_x main_y)), 33011#(or (= main_x main_y) (<= (select main_a main_x) 43)), 33012#(or (= main_x main_y) (<= (select main_a main_x) 44)), 33013#(or (= main_x main_y) (<= (select main_a main_x) 45)), 33014#(or (<= (select main_a main_x) 46) (= main_x main_y)), 33015#(or (<= (select main_a main_x) 47) (= main_x main_y)), 33016#(or (<= (select main_a main_x) 48) (= main_x main_y)), 33017#(or (<= (select main_a main_x) 49) (= main_x main_y)), 33018#(or (<= (select main_a main_x) 50) (= main_x main_y)), 33019#(or (<= (select main_a main_x) 51) (= main_x main_y)), 33020#(or (= main_x main_y) (<= (select main_a main_x) 52)), 33021#(or (<= (select main_a main_x) 53) (= main_x main_y)), 33022#(or (<= (select main_a main_x) 54) (= main_x main_y)), 33023#(or (<= (select main_a main_x) 55) (= main_x main_y))] [2018-07-23 13:56:50,087 INFO L134 CoverageAnalysis]: Checked inductivity of 6105 backedges. 0 proven. 6105 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-07-23 13:56:50,087 INFO L450 AbstractCegarLoop]: Interpolant automaton has 113 states [2018-07-23 13:56:50,088 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 113 interpolants. [2018-07-23 13:56:50,089 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=6328, Invalid=6328, Unknown=0, NotChecked=0, Total=12656 [2018-07-23 13:56:50,089 INFO L87 Difference]: Start difference. First operand 114 states and 114 transitions. Second operand 113 states. [2018-07-23 13:56:50,172 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-07-23 13:56:50,172 INFO L93 Difference]: Finished difference Result 117 states and 117 transitions. [2018-07-23 13:56:50,172 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 113 states. [2018-07-23 13:56:50,172 INFO L78 Accepts]: Start accepts. Automaton has 113 states. Word has length 113 [2018-07-23 13:56:50,173 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-07-23 13:56:50,173 INFO L225 Difference]: With dead ends: 117 [2018-07-23 13:56:50,173 INFO L226 Difference]: Without dead ends: 115 [2018-07-23 13:56:50,174 INFO L575 BasicCegarLoop]: 0 DeclaredPredicates, 112 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 111 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.6s TimeCoverageRelationStatistics Valid=6328, Invalid=6328, Unknown=0, NotChecked=0, Total=12656 [2018-07-23 13:56:50,174 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 115 states. [2018-07-23 13:56:50,180 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 115 to 115. [2018-07-23 13:56:50,180 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 115 states. [2018-07-23 13:56:50,180 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 115 states to 115 states and 115 transitions. [2018-07-23 13:56:50,180 INFO L78 Accepts]: Start accepts. Automaton has 115 states and 115 transitions. Word has length 113 [2018-07-23 13:56:50,181 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-07-23 13:56:50,181 INFO L471 AbstractCegarLoop]: Abstraction has 115 states and 115 transitions. [2018-07-23 13:56:50,181 INFO L472 AbstractCegarLoop]: Interpolant automaton has 113 states. [2018-07-23 13:56:50,181 INFO L276 IsEmpty]: Start isEmpty. Operand 115 states and 115 transitions. [2018-07-23 13:56:50,181 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 115 [2018-07-23 13:56:50,181 INFO L349 BasicCegarLoop]: Found error trace [2018-07-23 13:56:50,181 INFO L357 BasicCegarLoop]: trace histogram [111, 1, 1, 1] [2018-07-23 13:56:50,181 INFO L414 AbstractCegarLoop]: === Iteration 112 === [mainErr0AssertViolationASSERT]=== [2018-07-23 13:56:50,182 INFO L82 PathProgramCache]: Analyzing trace with hash 954759750, now seen corresponding path program 111 times [2018-07-23 13:56:50,182 INFO L69 tionRefinementEngine]: Using refinement strategy FixedRefinementStrategy [2018-07-23 13:56:50,283 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-07-23 13:56:51,167 INFO L134 CoverageAnalysis]: Checked inductivity of 6216 backedges. 0 proven. 6216 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-07-23 13:56:51,168 INFO L309 seRefinementStrategy]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2018-07-23 13:56:51,168 INFO L324 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [113] total 113 [2018-07-23 13:56:51,168 INFO L142 lantAutomatonBuilder]: Constructing canonical interpolant automaton, with selfloop in false state [2018-07-23 13:56:51,168 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-07-23 13:56:51,168 INFO L185 omatonBuilderFactory]: Interpolants [33543#true, 33544#false, 33545#(or (= 0 (select main_a main_x)) (= main_x main_y)), 33546#(or (<= (select main_a main_x) 1) (= main_x main_y)), 33547#(or (= main_x main_y) (<= (select main_a main_x) 2)), 33548#(or (= main_x main_y) (<= (select main_a main_x) 3)), 33549#(or (<= (select main_a main_x) 4) (= main_x main_y)), 33550#(or (<= (select main_a main_x) 5) (= main_x main_y)), 33551#(or (<= (select main_a main_x) 6) (= main_x main_y)), 33552#(or (<= (select main_a main_x) 7) (= main_x main_y)), 33553#(or (<= (select main_a main_x) 8) (= main_x main_y)), 33554#(or (= main_x main_y) (<= (select main_a main_x) 9)), 33555#(or (= main_x main_y) (<= (select main_a main_x) 10)), 33556#(or (= main_x main_y) (<= (select main_a main_x) 11)), 33557#(or (<= (select main_a main_x) 12) (= main_x main_y)), 33558#(or (= main_x main_y) (<= (select main_a main_x) 13)), 33559#(or (<= (select main_a main_x) 14) (= main_x main_y)), 33560#(or (<= (select main_a main_x) 15) (= main_x main_y)), 33561#(or (<= (select main_a main_x) 16) (= main_x main_y)), 33562#(or (= main_x main_y) (<= (select main_a main_x) 17)), 33563#(or (<= (select main_a main_x) 18) (= main_x main_y)), 33564#(or (<= (select main_a main_x) 19) (= main_x main_y)), 33565#(or (= main_x main_y) (<= (select main_a main_x) 20)), 33566#(or (<= (select main_a main_x) 21) (= main_x main_y)), 33567#(or (= main_x main_y) (<= (select main_a main_x) 22)), 33568#(or (= main_x main_y) (<= (select main_a main_x) 23)), 33569#(or (<= (select main_a main_x) 24) (= main_x main_y)), 33570#(or (= main_x main_y) (<= (select main_a main_x) 25)), 33571#(or (<= (select main_a main_x) 26) (= main_x main_y)), 33572#(or (<= (select main_a main_x) 27) (= main_x main_y)), 33573#(or (<= (select main_a main_x) 28) (= main_x main_y)), 33574#(or (<= (select main_a main_x) 29) (= main_x main_y)), 33575#(or (= main_x main_y) (<= (select main_a main_x) 30)), 33576#(or (<= (select main_a main_x) 31) (= main_x main_y)), 33577#(or (<= (select main_a main_x) 32) (= main_x main_y)), 33578#(or (<= (select main_a main_x) 33) (= main_x main_y)), 33579#(or (<= (select main_a main_x) 34) (= main_x main_y)), 33580#(or (<= (select main_a main_x) 35) (= main_x main_y)), 33581#(or (<= (select main_a main_x) 36) (= main_x main_y)), 33582#(or (<= (select main_a main_x) 37) (= main_x main_y)), 33583#(or (<= (select main_a main_x) 38) (= main_x main_y)), 33584#(or (<= (select main_a main_x) 39) (= main_x main_y)), 33585#(or (<= (select main_a main_x) 40) (= main_x main_y)), 33586#(or (<= (select main_a main_x) 41) (= main_x main_y)), 33587#(or (<= (select main_a main_x) 42) (= main_x main_y)), 33588#(or (= main_x main_y) (<= (select main_a main_x) 43)), 33589#(or (= main_x main_y) (<= (select main_a main_x) 44)), 33590#(or (= main_x main_y) (<= (select main_a main_x) 45)), 33591#(or (<= (select main_a main_x) 46) (= main_x main_y)), 33592#(or (<= (select main_a main_x) 47) (= main_x main_y)), 33593#(or (<= (select main_a main_x) 48) (= main_x main_y)), 33594#(or (<= (select main_a main_x) 49) (= main_x main_y)), 33595#(or (<= (select main_a main_x) 50) (= main_x main_y)), 33596#(or (<= (select main_a main_x) 51) (= main_x main_y)), 33597#(or (= main_x main_y) (<= (select main_a main_x) 52)), 33598#(or (<= (select main_a main_x) 53) (= main_x main_y)), 33599#(or (<= (select main_a main_x) 54) (= main_x main_y)), 33600#(or (<= (select main_a main_x) 55) (= main_x main_y)), 33601#(or (= main_x main_y) (<= (select main_a main_x) 56)), 33602#(or (<= (select main_a main_x) 57) (= main_x main_y)), 33603#(or (<= (select main_a main_x) 58) (= main_x main_y)), 33604#(or (= main_x main_y) (<= (select main_a main_x) 59)), 33605#(or (= main_x main_y) (<= (select main_a main_x) 60)), 33606#(or (= main_x main_y) (<= (select main_a main_x) 61)), 33607#(or (<= (select main_a main_x) 62) (= main_x main_y)), 33608#(or (<= (select main_a main_x) 63) (= main_x main_y)), 33609#(or (= main_x main_y) (<= (select main_a main_x) 64)), 33610#(or (<= (select main_a main_x) 65) (= main_x main_y)), 33611#(or (= main_x main_y) (<= (select main_a main_x) 66)), 33612#(or (<= (select main_a main_x) 67) (= main_x main_y)), 33613#(or (= main_x main_y) (<= (select main_a main_x) 68)), 33614#(or (= main_x main_y) (<= (select main_a main_x) 69)), 33615#(or (<= (select main_a main_x) 70) (= main_x main_y)), 33616#(or (<= (select main_a main_x) 71) (= main_x main_y)), 33617#(or (= main_x main_y) (<= (select main_a main_x) 72)), 33618#(or (<= (select main_a main_x) 73) (= main_x main_y)), 33619#(or (= main_x main_y) (<= (select main_a main_x) 74)), 33620#(or (= main_x main_y) (<= (select main_a main_x) 75)), 33621#(or (<= (select main_a main_x) 76) (= main_x main_y)), 33622#(or (<= (select main_a main_x) 77) (= main_x main_y)), 33623#(or (<= (select main_a main_x) 78) (= main_x main_y)), 33624#(or (<= (select main_a main_x) 79) (= main_x main_y)), 33625#(or (<= (select main_a main_x) 80) (= main_x main_y)), 33626#(or (<= (select main_a main_x) 81) (= main_x main_y)), 33627#(or (<= (select main_a main_x) 82) (= main_x main_y)), 33628#(or (= main_x main_y) (<= (select main_a main_x) 83)), 33629#(or (<= (select main_a main_x) 84) (= main_x main_y)), 33630#(or (<= (select main_a main_x) 85) (= main_x main_y)), 33631#(or (<= (select main_a main_x) 86) (= main_x main_y)), 33632#(or (<= (select main_a main_x) 87) (= main_x main_y)), 33633#(or (<= (select main_a main_x) 88) (= main_x main_y)), 33634#(or (<= (select main_a main_x) 89) (= main_x main_y)), 33635#(or (<= (select main_a main_x) 90) (= main_x main_y)), 33636#(or (= main_x main_y) (<= (select main_a main_x) 91)), 33637#(or (<= (select main_a main_x) 92) (= main_x main_y)), 33638#(or (<= (select main_a main_x) 93) (= main_x main_y)), 33639#(or (= main_x main_y) (<= (select main_a main_x) 94)), 33640#(or (<= (select main_a main_x) 95) (= main_x main_y)), 33641#(or (<= (select main_a main_x) 96) (= main_x main_y)), 33642#(or (= main_x main_y) (<= (select main_a main_x) 97)), 33643#(or (<= (select main_a main_x) 98) (= main_x main_y)), 33644#(or (<= (select main_a main_x) 99) (= main_x main_y)), 33645#(or (<= (select main_a main_x) 100) (= main_x main_y)), 33646#(or (<= (select main_a main_x) 101) (= main_x main_y)), 33647#(or (= main_x main_y) (<= (select main_a main_x) 102)), 33648#(or (<= (select main_a main_x) 103) (= main_x main_y)), 33649#(or (<= (select main_a main_x) 104) (= main_x main_y)), 33650#(or (= main_x main_y) (<= (select main_a main_x) 105)), 33651#(or (= main_x main_y) (<= (select main_a main_x) 106)), 33652#(or (<= (select main_a main_x) 107) (= main_x main_y)), 33653#(or (<= (select main_a main_x) 108) (= main_x main_y)), 33654#(or (= main_x main_y) (<= (select main_a main_x) 109)), 33655#(or (= main_x main_y) (<= (select main_a main_x) 110)), 33656#(or (not (= (select main_a main_x) 1000)) (= main_x main_y))] [2018-07-23 13:56:51,169 INFO L134 CoverageAnalysis]: Checked inductivity of 6216 backedges. 0 proven. 6216 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-07-23 13:56:51,169 INFO L450 AbstractCegarLoop]: Interpolant automaton has 114 states [2018-07-23 13:56:51,170 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 114 interpolants. [2018-07-23 13:56:51,170 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=6441, Invalid=6441, Unknown=0, NotChecked=0, Total=12882 [2018-07-23 13:56:51,170 INFO L87 Difference]: Start difference. First operand 115 states and 115 transitions. Second operand 114 states. [2018-07-23 13:56:51,340 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-07-23 13:56:51,340 INFO L93 Difference]: Finished difference Result 118 states and 118 transitions. [2018-07-23 13:56:51,340 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 114 states. [2018-07-23 13:56:51,340 INFO L78 Accepts]: Start accepts. Automaton has 114 states. Word has length 114 [2018-07-23 13:56:51,340 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-07-23 13:56:51,341 INFO L225 Difference]: With dead ends: 118 [2018-07-23 13:56:51,341 INFO L226 Difference]: Without dead ends: 116 [2018-07-23 13:56:51,342 INFO L575 BasicCegarLoop]: 0 DeclaredPredicates, 113 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 112 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.7s TimeCoverageRelationStatistics Valid=6441, Invalid=6441, Unknown=0, NotChecked=0, Total=12882 [2018-07-23 13:56:51,342 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 116 states. [2018-07-23 13:56:51,350 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 116 to 116. [2018-07-23 13:56:51,350 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 116 states. [2018-07-23 13:56:51,350 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 116 states to 116 states and 116 transitions. [2018-07-23 13:56:51,351 INFO L78 Accepts]: Start accepts. Automaton has 116 states and 116 transitions. Word has length 114 [2018-07-23 13:56:51,351 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-07-23 13:56:51,351 INFO L471 AbstractCegarLoop]: Abstraction has 116 states and 116 transitions. [2018-07-23 13:56:51,351 INFO L472 AbstractCegarLoop]: Interpolant automaton has 114 states. [2018-07-23 13:56:51,351 INFO L276 IsEmpty]: Start isEmpty. Operand 116 states and 116 transitions. [2018-07-23 13:56:51,351 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 116 [2018-07-23 13:56:51,352 INFO L349 BasicCegarLoop]: Found error trace [2018-07-23 13:56:51,352 INFO L357 BasicCegarLoop]: trace histogram [112, 1, 1, 1] [2018-07-23 13:56:51,352 INFO L414 AbstractCegarLoop]: === Iteration 113 === [mainErr0AssertViolationASSERT]=== [2018-07-23 13:56:51,352 INFO L82 PathProgramCache]: Analyzing trace with hash -467222688, now seen corresponding path program 112 times [2018-07-23 13:56:51,352 INFO L69 tionRefinementEngine]: Using refinement strategy FixedRefinementStrategy [2018-07-23 13:56:51,488 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-07-23 13:56:52,244 INFO L134 CoverageAnalysis]: Checked inductivity of 6328 backedges. 0 proven. 6328 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-07-23 13:56:52,244 INFO L309 seRefinementStrategy]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2018-07-23 13:56:52,244 INFO L324 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [114] total 114 [2018-07-23 13:56:52,245 INFO L142 lantAutomatonBuilder]: Constructing canonical interpolant automaton, with selfloop in false state [2018-07-23 13:56:52,245 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-07-23 13:56:52,245 INFO L185 omatonBuilderFactory]: Interpolants [34125#true, 34126#false, 34127#(or (= 0 (select main_a main_x)) (= main_x main_y)), 34128#(or (<= (select main_a main_x) 1) (= main_x main_y)), 34129#(or (= main_x main_y) (<= (select main_a main_x) 2)), 34130#(or (= main_x main_y) (<= (select main_a main_x) 3)), 34131#(or (<= (select main_a main_x) 4) (= main_x main_y)), 34132#(or (<= (select main_a main_x) 5) (= main_x main_y)), 34133#(or (<= (select main_a main_x) 6) (= main_x main_y)), 34134#(or (<= (select main_a main_x) 7) (= main_x main_y)), 34135#(or (<= (select main_a main_x) 8) (= main_x main_y)), 34136#(or (= main_x main_y) (<= (select main_a main_x) 9)), 34137#(or (= main_x main_y) (<= (select main_a main_x) 10)), 34138#(or (= main_x main_y) (<= (select main_a main_x) 11)), 34139#(or (<= (select main_a main_x) 12) (= main_x main_y)), 34140#(or (= main_x main_y) (<= (select main_a main_x) 13)), 34141#(or (<= (select main_a main_x) 14) (= main_x main_y)), 34142#(or (<= (select main_a main_x) 15) (= main_x main_y)), 34143#(or (<= (select main_a main_x) 16) (= main_x main_y)), 34144#(or (= main_x main_y) (<= (select main_a main_x) 17)), 34145#(or (<= (select main_a main_x) 18) (= main_x main_y)), 34146#(or (<= (select main_a main_x) 19) (= main_x main_y)), 34147#(or (= main_x main_y) (<= (select main_a main_x) 20)), 34148#(or (<= (select main_a main_x) 21) (= main_x main_y)), 34149#(or (= main_x main_y) (<= (select main_a main_x) 22)), 34150#(or (= main_x main_y) (<= (select main_a main_x) 23)), 34151#(or (<= (select main_a main_x) 24) (= main_x main_y)), 34152#(or (= main_x main_y) (<= (select main_a main_x) 25)), 34153#(or (<= (select main_a main_x) 26) (= main_x main_y)), 34154#(or (<= (select main_a main_x) 27) (= main_x main_y)), 34155#(or (<= (select main_a main_x) 28) (= main_x main_y)), 34156#(or (<= (select main_a main_x) 29) (= main_x main_y)), 34157#(or (= main_x main_y) (<= (select main_a main_x) 30)), 34158#(or (<= (select main_a main_x) 31) (= main_x main_y)), 34159#(or (<= (select main_a main_x) 32) (= main_x main_y)), 34160#(or (<= (select main_a main_x) 33) (= main_x main_y)), 34161#(or (<= (select main_a main_x) 34) (= main_x main_y)), 34162#(or (<= (select main_a main_x) 35) (= main_x main_y)), 34163#(or (<= (select main_a main_x) 36) (= main_x main_y)), 34164#(or (<= (select main_a main_x) 37) (= main_x main_y)), 34165#(or (<= (select main_a main_x) 38) (= main_x main_y)), 34166#(or (<= (select main_a main_x) 39) (= main_x main_y)), 34167#(or (<= (select main_a main_x) 40) (= main_x main_y)), 34168#(or (<= (select main_a main_x) 41) (= main_x main_y)), 34169#(or (<= (select main_a main_x) 42) (= main_x main_y)), 34170#(or (= main_x main_y) (<= (select main_a main_x) 43)), 34171#(or (= main_x main_y) (<= (select main_a main_x) 44)), 34172#(or (= main_x main_y) (<= (select main_a main_x) 45)), 34173#(or (<= (select main_a main_x) 46) (= main_x main_y)), 34174#(or (<= (select main_a main_x) 47) (= main_x main_y)), 34175#(or (<= (select main_a main_x) 48) (= main_x main_y)), 34176#(or (<= (select main_a main_x) 49) (= main_x main_y)), 34177#(or (<= (select main_a main_x) 50) (= main_x main_y)), 34178#(or (<= (select main_a main_x) 51) (= main_x main_y)), 34179#(or (= main_x main_y) (<= (select main_a main_x) 52)), 34180#(or (<= (select main_a main_x) 53) (= main_x main_y)), 34181#(or (<= (select main_a main_x) 54) (= main_x main_y)), 34182#(or (<= (select main_a main_x) 55) (= main_x main_y)), 34183#(or (= main_x main_y) (<= (select main_a main_x) 56)), 34184#(or (<= (select main_a main_x) 57) (= main_x main_y)), 34185#(or (<= (select main_a main_x) 58) (= main_x main_y)), 34186#(or (= main_x main_y) (<= (select main_a main_x) 59)), 34187#(or (= main_x main_y) (<= (select main_a main_x) 60)), 34188#(or (= main_x main_y) (<= (select main_a main_x) 61)), 34189#(or (<= (select main_a main_x) 62) (= main_x main_y)), 34190#(or (<= (select main_a main_x) 63) (= main_x main_y)), 34191#(or (= main_x main_y) (<= (select main_a main_x) 64)), 34192#(or (<= (select main_a main_x) 65) (= main_x main_y)), 34193#(or (= main_x main_y) (<= (select main_a main_x) 66)), 34194#(or (<= (select main_a main_x) 67) (= main_x main_y)), 34195#(or (= main_x main_y) (<= (select main_a main_x) 68)), 34196#(or (= main_x main_y) (<= (select main_a main_x) 69)), 34197#(or (<= (select main_a main_x) 70) (= main_x main_y)), 34198#(or (<= (select main_a main_x) 71) (= main_x main_y)), 34199#(or (= main_x main_y) (<= (select main_a main_x) 72)), 34200#(or (<= (select main_a main_x) 73) (= main_x main_y)), 34201#(or (= main_x main_y) (<= (select main_a main_x) 74)), 34202#(or (= main_x main_y) (<= (select main_a main_x) 75)), 34203#(or (<= (select main_a main_x) 76) (= main_x main_y)), 34204#(or (<= (select main_a main_x) 77) (= main_x main_y)), 34205#(or (<= (select main_a main_x) 78) (= main_x main_y)), 34206#(or (<= (select main_a main_x) 79) (= main_x main_y)), 34207#(or (<= (select main_a main_x) 80) (= main_x main_y)), 34208#(or (<= (select main_a main_x) 81) (= main_x main_y)), 34209#(or (<= (select main_a main_x) 82) (= main_x main_y)), 34210#(or (= main_x main_y) (<= (select main_a main_x) 83)), 34211#(or (<= (select main_a main_x) 84) (= main_x main_y)), 34212#(or (<= (select main_a main_x) 85) (= main_x main_y)), 34213#(or (<= (select main_a main_x) 86) (= main_x main_y)), 34214#(or (<= (select main_a main_x) 87) (= main_x main_y)), 34215#(or (<= (select main_a main_x) 88) (= main_x main_y)), 34216#(or (<= (select main_a main_x) 89) (= main_x main_y)), 34217#(or (<= (select main_a main_x) 90) (= main_x main_y)), 34218#(or (= main_x main_y) (<= (select main_a main_x) 91)), 34219#(or (<= (select main_a main_x) 92) (= main_x main_y)), 34220#(or (<= (select main_a main_x) 93) (= main_x main_y)), 34221#(or (= main_x main_y) (<= (select main_a main_x) 94)), 34222#(or (<= (select main_a main_x) 95) (= main_x main_y)), 34223#(or (<= (select main_a main_x) 96) (= main_x main_y)), 34224#(or (= main_x main_y) (<= (select main_a main_x) 97)), 34225#(or (<= (select main_a main_x) 98) (= main_x main_y)), 34226#(or (<= (select main_a main_x) 99) (= main_x main_y)), 34227#(or (<= (select main_a main_x) 100) (= main_x main_y)), 34228#(or (<= (select main_a main_x) 101) (= main_x main_y)), 34229#(or (= main_x main_y) (<= (select main_a main_x) 102)), 34230#(or (<= (select main_a main_x) 103) (= main_x main_y)), 34231#(or (<= (select main_a main_x) 104) (= main_x main_y)), 34232#(or (= main_x main_y) (<= (select main_a main_x) 105)), 34233#(or (= main_x main_y) (<= (select main_a main_x) 106)), 34234#(or (<= (select main_a main_x) 107) (= main_x main_y)), 34235#(or (<= (select main_a main_x) 108) (= main_x main_y)), 34236#(or (= main_x main_y) (<= (select main_a main_x) 109)), 34237#(or (= main_x main_y) (<= (select main_a main_x) 110)), 34238#(or (<= (select main_a main_x) 111) (= main_x main_y)), 34239#(or (not (= (select main_a main_x) 1000)) (= main_x main_y))] [2018-07-23 13:56:52,246 INFO L134 CoverageAnalysis]: Checked inductivity of 6328 backedges. 0 proven. 6328 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-07-23 13:56:52,246 INFO L450 AbstractCegarLoop]: Interpolant automaton has 115 states [2018-07-23 13:56:52,247 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 115 interpolants. [2018-07-23 13:56:52,248 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=6555, Invalid=6555, Unknown=0, NotChecked=0, Total=13110 [2018-07-23 13:56:52,248 INFO L87 Difference]: Start difference. First operand 116 states and 116 transitions. Second operand 115 states. [2018-07-23 13:56:52,384 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-07-23 13:56:52,384 INFO L93 Difference]: Finished difference Result 119 states and 119 transitions. [2018-07-23 13:56:52,384 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 115 states. [2018-07-23 13:56:52,384 INFO L78 Accepts]: Start accepts. Automaton has 115 states. Word has length 115 [2018-07-23 13:56:52,384 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-07-23 13:56:52,384 INFO L225 Difference]: With dead ends: 119 [2018-07-23 13:56:52,385 INFO L226 Difference]: Without dead ends: 117 [2018-07-23 13:56:52,386 INFO L575 BasicCegarLoop]: 0 DeclaredPredicates, 114 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 113 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.6s TimeCoverageRelationStatistics Valid=6555, Invalid=6555, Unknown=0, NotChecked=0, Total=13110 [2018-07-23 13:56:52,386 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 117 states. [2018-07-23 13:56:52,395 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 117 to 117. [2018-07-23 13:56:52,395 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 117 states. [2018-07-23 13:56:52,396 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 117 states to 117 states and 117 transitions. [2018-07-23 13:56:52,396 INFO L78 Accepts]: Start accepts. Automaton has 117 states and 117 transitions. Word has length 115 [2018-07-23 13:56:52,396 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-07-23 13:56:52,396 INFO L471 AbstractCegarLoop]: Abstraction has 117 states and 117 transitions. [2018-07-23 13:56:52,396 INFO L472 AbstractCegarLoop]: Interpolant automaton has 115 states. [2018-07-23 13:56:52,396 INFO L276 IsEmpty]: Start isEmpty. Operand 117 states and 117 transitions. [2018-07-23 13:56:52,397 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 117 [2018-07-23 13:56:52,397 INFO L349 BasicCegarLoop]: Found error trace [2018-07-23 13:56:52,397 INFO L357 BasicCegarLoop]: trace histogram [113, 1, 1, 1] [2018-07-23 13:56:52,397 INFO L414 AbstractCegarLoop]: === Iteration 114 === [mainErr0AssertViolationASSERT]=== [2018-07-23 13:56:52,397 INFO L82 PathProgramCache]: Analyzing trace with hash -1599005306, now seen corresponding path program 113 times [2018-07-23 13:56:52,398 INFO L69 tionRefinementEngine]: Using refinement strategy FixedRefinementStrategy [2018-07-23 13:56:52,507 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-07-23 13:56:53,281 INFO L134 CoverageAnalysis]: Checked inductivity of 6441 backedges. 0 proven. 6441 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-07-23 13:56:53,281 INFO L309 seRefinementStrategy]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2018-07-23 13:56:53,281 INFO L324 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [115] total 115 [2018-07-23 13:56:53,281 INFO L142 lantAutomatonBuilder]: Constructing canonical interpolant automaton, with selfloop in false state [2018-07-23 13:56:53,282 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-07-23 13:56:53,282 INFO L185 omatonBuilderFactory]: Interpolants [34816#(or (= main_x main_y) (<= (select main_a main_x) 102)), 34817#(or (<= (select main_a main_x) 103) (= main_x main_y)), 34818#(or (<= (select main_a main_x) 104) (= main_x main_y)), 34819#(or (= main_x main_y) (<= (select main_a main_x) 105)), 34820#(or (= main_x main_y) (<= (select main_a main_x) 106)), 34821#(or (<= (select main_a main_x) 107) (= main_x main_y)), 34822#(or (<= (select main_a main_x) 108) (= main_x main_y)), 34823#(or (= main_x main_y) (<= (select main_a main_x) 109)), 34824#(or (= main_x main_y) (<= (select main_a main_x) 110)), 34825#(or (<= (select main_a main_x) 111) (= main_x main_y)), 34826#(or (<= (select main_a main_x) 112) (= main_x main_y)), 34827#(or (not (= (select main_a main_x) 1000)) (= main_x main_y)), 34712#true, 34713#false, 34714#(or (= 0 (select main_a main_x)) (= main_x main_y)), 34715#(or (<= (select main_a main_x) 1) (= main_x main_y)), 34716#(or (= main_x main_y) (<= (select main_a main_x) 2)), 34717#(or (= main_x main_y) (<= (select main_a main_x) 3)), 34718#(or (<= (select main_a main_x) 4) (= main_x main_y)), 34719#(or (<= (select main_a main_x) 5) (= main_x main_y)), 34720#(or (<= (select main_a main_x) 6) (= main_x main_y)), 34721#(or (<= (select main_a main_x) 7) (= main_x main_y)), 34722#(or (<= (select main_a main_x) 8) (= main_x main_y)), 34723#(or (= main_x main_y) (<= (select main_a main_x) 9)), 34724#(or (= main_x main_y) (<= (select main_a main_x) 10)), 34725#(or (= main_x main_y) (<= (select main_a main_x) 11)), 34726#(or (<= (select main_a main_x) 12) (= main_x main_y)), 34727#(or (= main_x main_y) (<= (select main_a main_x) 13)), 34728#(or (<= (select main_a main_x) 14) (= main_x main_y)), 34729#(or (<= (select main_a main_x) 15) (= main_x main_y)), 34730#(or (<= (select main_a main_x) 16) (= main_x main_y)), 34731#(or (= main_x main_y) (<= (select main_a main_x) 17)), 34732#(or (<= (select main_a main_x) 18) (= main_x main_y)), 34733#(or (<= (select main_a main_x) 19) (= main_x main_y)), 34734#(or (= main_x main_y) (<= (select main_a main_x) 20)), 34735#(or (<= (select main_a main_x) 21) (= main_x main_y)), 34736#(or (= main_x main_y) (<= (select main_a main_x) 22)), 34737#(or (= main_x main_y) (<= (select main_a main_x) 23)), 34738#(or (<= (select main_a main_x) 24) (= main_x main_y)), 34739#(or (= main_x main_y) (<= (select main_a main_x) 25)), 34740#(or (<= (select main_a main_x) 26) (= main_x main_y)), 34741#(or (<= (select main_a main_x) 27) (= main_x main_y)), 34742#(or (<= (select main_a main_x) 28) (= main_x main_y)), 34743#(or (<= (select main_a main_x) 29) (= main_x main_y)), 34744#(or (= main_x main_y) (<= (select main_a main_x) 30)), 34745#(or (<= (select main_a main_x) 31) (= main_x main_y)), 34746#(or (<= (select main_a main_x) 32) (= main_x main_y)), 34747#(or (<= (select main_a main_x) 33) (= main_x main_y)), 34748#(or (<= (select main_a main_x) 34) (= main_x main_y)), 34749#(or (<= (select main_a main_x) 35) (= main_x main_y)), 34750#(or (<= (select main_a main_x) 36) (= main_x main_y)), 34751#(or (<= (select main_a main_x) 37) (= main_x main_y)), 34752#(or (<= (select main_a main_x) 38) (= main_x main_y)), 34753#(or (<= (select main_a main_x) 39) (= main_x main_y)), 34754#(or (<= (select main_a main_x) 40) (= main_x main_y)), 34755#(or (<= (select main_a main_x) 41) (= main_x main_y)), 34756#(or (<= (select main_a main_x) 42) (= main_x main_y)), 34757#(or (= main_x main_y) (<= (select main_a main_x) 43)), 34758#(or (= main_x main_y) (<= (select main_a main_x) 44)), 34759#(or (= main_x main_y) (<= (select main_a main_x) 45)), 34760#(or (<= (select main_a main_x) 46) (= main_x main_y)), 34761#(or (<= (select main_a main_x) 47) (= main_x main_y)), 34762#(or (<= (select main_a main_x) 48) (= main_x main_y)), 34763#(or (<= (select main_a main_x) 49) (= main_x main_y)), 34764#(or (<= (select main_a main_x) 50) (= main_x main_y)), 34765#(or (<= (select main_a main_x) 51) (= main_x main_y)), 34766#(or (= main_x main_y) (<= (select main_a main_x) 52)), 34767#(or (<= (select main_a main_x) 53) (= main_x main_y)), 34768#(or (<= (select main_a main_x) 54) (= main_x main_y)), 34769#(or (<= (select main_a main_x) 55) (= main_x main_y)), 34770#(or (= main_x main_y) (<= (select main_a main_x) 56)), 34771#(or (<= (select main_a main_x) 57) (= main_x main_y)), 34772#(or (<= (select main_a main_x) 58) (= main_x main_y)), 34773#(or (= main_x main_y) (<= (select main_a main_x) 59)), 34774#(or (= main_x main_y) (<= (select main_a main_x) 60)), 34775#(or (= main_x main_y) (<= (select main_a main_x) 61)), 34776#(or (<= (select main_a main_x) 62) (= main_x main_y)), 34777#(or (<= (select main_a main_x) 63) (= main_x main_y)), 34778#(or (= main_x main_y) (<= (select main_a main_x) 64)), 34779#(or (<= (select main_a main_x) 65) (= main_x main_y)), 34780#(or (= main_x main_y) (<= (select main_a main_x) 66)), 34781#(or (<= (select main_a main_x) 67) (= main_x main_y)), 34782#(or (= main_x main_y) (<= (select main_a main_x) 68)), 34783#(or (= main_x main_y) (<= (select main_a main_x) 69)), 34784#(or (<= (select main_a main_x) 70) (= main_x main_y)), 34785#(or (<= (select main_a main_x) 71) (= main_x main_y)), 34786#(or (= main_x main_y) (<= (select main_a main_x) 72)), 34787#(or (<= (select main_a main_x) 73) (= main_x main_y)), 34788#(or (= main_x main_y) (<= (select main_a main_x) 74)), 34789#(or (= main_x main_y) (<= (select main_a main_x) 75)), 34790#(or (<= (select main_a main_x) 76) (= main_x main_y)), 34791#(or (<= (select main_a main_x) 77) (= main_x main_y)), 34792#(or (<= (select main_a main_x) 78) (= main_x main_y)), 34793#(or (<= (select main_a main_x) 79) (= main_x main_y)), 34794#(or (<= (select main_a main_x) 80) (= main_x main_y)), 34795#(or (<= (select main_a main_x) 81) (= main_x main_y)), 34796#(or (<= (select main_a main_x) 82) (= main_x main_y)), 34797#(or (= main_x main_y) (<= (select main_a main_x) 83)), 34798#(or (<= (select main_a main_x) 84) (= main_x main_y)), 34799#(or (<= (select main_a main_x) 85) (= main_x main_y)), 34800#(or (<= (select main_a main_x) 86) (= main_x main_y)), 34801#(or (<= (select main_a main_x) 87) (= main_x main_y)), 34802#(or (<= (select main_a main_x) 88) (= main_x main_y)), 34803#(or (<= (select main_a main_x) 89) (= main_x main_y)), 34804#(or (<= (select main_a main_x) 90) (= main_x main_y)), 34805#(or (= main_x main_y) (<= (select main_a main_x) 91)), 34806#(or (<= (select main_a main_x) 92) (= main_x main_y)), 34807#(or (<= (select main_a main_x) 93) (= main_x main_y)), 34808#(or (= main_x main_y) (<= (select main_a main_x) 94)), 34809#(or (<= (select main_a main_x) 95) (= main_x main_y)), 34810#(or (<= (select main_a main_x) 96) (= main_x main_y)), 34811#(or (= main_x main_y) (<= (select main_a main_x) 97)), 34812#(or (<= (select main_a main_x) 98) (= main_x main_y)), 34813#(or (<= (select main_a main_x) 99) (= main_x main_y)), 34814#(or (<= (select main_a main_x) 100) (= main_x main_y)), 34815#(or (<= (select main_a main_x) 101) (= main_x main_y))] [2018-07-23 13:56:53,282 INFO L134 CoverageAnalysis]: Checked inductivity of 6441 backedges. 0 proven. 6441 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-07-23 13:56:53,282 INFO L450 AbstractCegarLoop]: Interpolant automaton has 116 states [2018-07-23 13:56:53,283 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 116 interpolants. [2018-07-23 13:56:53,284 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=6670, Invalid=6670, Unknown=0, NotChecked=0, Total=13340 [2018-07-23 13:56:53,285 INFO L87 Difference]: Start difference. First operand 117 states and 117 transitions. Second operand 116 states. [2018-07-23 13:56:53,402 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-07-23 13:56:53,402 INFO L93 Difference]: Finished difference Result 120 states and 120 transitions. [2018-07-23 13:56:53,403 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 116 states. [2018-07-23 13:56:53,403 INFO L78 Accepts]: Start accepts. Automaton has 116 states. Word has length 116 [2018-07-23 13:56:53,403 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-07-23 13:56:53,403 INFO L225 Difference]: With dead ends: 120 [2018-07-23 13:56:53,403 INFO L226 Difference]: Without dead ends: 118 [2018-07-23 13:56:53,404 INFO L575 BasicCegarLoop]: 0 DeclaredPredicates, 115 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 114 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.6s TimeCoverageRelationStatistics Valid=6670, Invalid=6670, Unknown=0, NotChecked=0, Total=13340 [2018-07-23 13:56:53,405 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 118 states. [2018-07-23 13:56:53,411 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 118 to 118. [2018-07-23 13:56:53,411 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 118 states. [2018-07-23 13:56:53,411 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 118 states to 118 states and 118 transitions. [2018-07-23 13:56:53,411 INFO L78 Accepts]: Start accepts. Automaton has 118 states and 118 transitions. Word has length 116 [2018-07-23 13:56:53,411 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-07-23 13:56:53,411 INFO L471 AbstractCegarLoop]: Abstraction has 118 states and 118 transitions. [2018-07-23 13:56:53,411 INFO L472 AbstractCegarLoop]: Interpolant automaton has 116 states. [2018-07-23 13:56:53,412 INFO L276 IsEmpty]: Start isEmpty. Operand 118 states and 118 transitions. [2018-07-23 13:56:53,412 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 118 [2018-07-23 13:56:53,412 INFO L349 BasicCegarLoop]: Found error trace [2018-07-23 13:56:53,412 INFO L357 BasicCegarLoop]: trace histogram [114, 1, 1, 1] [2018-07-23 13:56:53,412 INFO L414 AbstractCegarLoop]: === Iteration 115 === [mainErr0AssertViolationASSERT]=== [2018-07-23 13:56:53,412 INFO L82 PathProgramCache]: Analyzing trace with hash 1970439200, now seen corresponding path program 114 times [2018-07-23 13:56:53,412 INFO L69 tionRefinementEngine]: Using refinement strategy FixedRefinementStrategy [2018-07-23 13:56:53,503 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-07-23 13:56:54,378 INFO L134 CoverageAnalysis]: Checked inductivity of 6555 backedges. 0 proven. 6555 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-07-23 13:56:54,378 INFO L309 seRefinementStrategy]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2018-07-23 13:56:54,378 INFO L324 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [116] total 116 [2018-07-23 13:56:54,378 INFO L142 lantAutomatonBuilder]: Constructing canonical interpolant automaton, with selfloop in false state [2018-07-23 13:56:54,378 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 13:56:54,379 INFO L185 omatonBuilderFactory]: Interpolants [35328#(or (= main_x main_y) (<= (select main_a main_x) 22)), 35329#(or (= main_x main_y) (<= (select main_a main_x) 23)), 35330#(or (<= (select main_a main_x) 24) (= main_x main_y)), 35331#(or (= main_x main_y) (<= (select main_a main_x) 25)), 35332#(or (<= (select main_a main_x) 26) (= main_x main_y)), 35333#(or (<= (select main_a main_x) 27) (= main_x main_y)), 35334#(or (<= (select main_a main_x) 28) (= main_x main_y)), 35335#(or (<= (select main_a main_x) 29) (= main_x main_y)), 35336#(or (= main_x main_y) (<= (select main_a main_x) 30)), 35337#(or (<= (select main_a main_x) 31) (= main_x main_y)), 35338#(or (<= (select main_a main_x) 32) (= main_x main_y)), 35339#(or (<= (select main_a main_x) 33) (= main_x main_y)), 35340#(or (<= (select main_a main_x) 34) (= main_x main_y)), 35341#(or (<= (select main_a main_x) 35) (= main_x main_y)), 35342#(or (<= (select main_a main_x) 36) (= main_x main_y)), 35343#(or (<= (select main_a main_x) 37) (= main_x main_y)), 35344#(or (<= (select main_a main_x) 38) (= main_x main_y)), 35345#(or (<= (select main_a main_x) 39) (= main_x main_y)), 35346#(or (<= (select main_a main_x) 40) (= main_x main_y)), 35347#(or (<= (select main_a main_x) 41) (= main_x main_y)), 35348#(or (<= (select main_a main_x) 42) (= main_x main_y)), 35349#(or (= main_x main_y) (<= (select main_a main_x) 43)), 35350#(or (= main_x main_y) (<= (select main_a main_x) 44)), 35351#(or (= main_x main_y) (<= (select main_a main_x) 45)), 35352#(or (<= (select main_a main_x) 46) (= main_x main_y)), 35353#(or (<= (select main_a main_x) 47) (= main_x main_y)), 35354#(or (<= (select main_a main_x) 48) (= main_x main_y)), 35355#(or (<= (select main_a main_x) 49) (= main_x main_y)), 35356#(or (<= (select main_a main_x) 50) (= main_x main_y)), 35357#(or (<= (select main_a main_x) 51) (= main_x main_y)), 35358#(or (= main_x main_y) (<= (select main_a main_x) 52)), 35359#(or (<= (select main_a main_x) 53) (= main_x main_y)), 35360#(or (<= (select main_a main_x) 54) (= main_x main_y)), 35361#(or (<= (select main_a main_x) 55) (= main_x main_y)), 35362#(or (= main_x main_y) (<= (select main_a main_x) 56)), 35363#(or (<= (select main_a main_x) 57) (= main_x main_y)), 35364#(or (<= (select main_a main_x) 58) (= main_x main_y)), 35365#(or (= main_x main_y) (<= (select main_a main_x) 59)), 35366#(or (= main_x main_y) (<= (select main_a main_x) 60)), 35367#(or (= main_x main_y) (<= (select main_a main_x) 61)), 35368#(or (<= (select main_a main_x) 62) (= main_x main_y)), 35369#(or (<= (select main_a main_x) 63) (= main_x main_y)), 35370#(or (= main_x main_y) (<= (select main_a main_x) 64)), 35371#(or (<= (select main_a main_x) 65) (= main_x main_y)), 35372#(or (= main_x main_y) (<= (select main_a main_x) 66)), 35373#(or (<= (select main_a main_x) 67) (= main_x main_y)), 35374#(or (= main_x main_y) (<= (select main_a main_x) 68)), 35375#(or (= main_x main_y) (<= (select main_a main_x) 69)), 35376#(or (<= (select main_a main_x) 70) (= main_x main_y)), 35377#(or (<= (select main_a main_x) 71) (= main_x main_y)), 35378#(or (= main_x main_y) (<= (select main_a main_x) 72)), 35379#(or (<= (select main_a main_x) 73) (= main_x main_y)), 35380#(or (= main_x main_y) (<= (select main_a main_x) 74)), 35381#(or (= main_x main_y) (<= (select main_a main_x) 75)), 35382#(or (<= (select main_a main_x) 76) (= main_x main_y)), 35383#(or (<= (select main_a main_x) 77) (= main_x main_y)), 35384#(or (<= (select main_a main_x) 78) (= main_x main_y)), 35385#(or (<= (select main_a main_x) 79) (= main_x main_y)), 35386#(or (<= (select main_a main_x) 80) (= main_x main_y)), 35387#(or (<= (select main_a main_x) 81) (= main_x main_y)), 35388#(or (<= (select main_a main_x) 82) (= main_x main_y)), 35389#(or (= main_x main_y) (<= (select main_a main_x) 83)), 35390#(or (<= (select main_a main_x) 84) (= main_x main_y)), 35391#(or (<= (select main_a main_x) 85) (= main_x main_y)), 35392#(or (<= (select main_a main_x) 86) (= main_x main_y)), 35393#(or (<= (select main_a main_x) 87) (= main_x main_y)), 35394#(or (<= (select main_a main_x) 88) (= main_x main_y)), 35395#(or (<= (select main_a main_x) 89) (= main_x main_y)), 35396#(or (<= (select main_a main_x) 90) (= main_x main_y)), 35397#(or (= main_x main_y) (<= (select main_a main_x) 91)), 35398#(or (<= (select main_a main_x) 92) (= main_x main_y)), 35399#(or (<= (select main_a main_x) 93) (= main_x main_y)), 35400#(or (= main_x main_y) (<= (select main_a main_x) 94)), 35401#(or (<= (select main_a main_x) 95) (= main_x main_y)), 35402#(or (<= (select main_a main_x) 96) (= main_x main_y)), 35403#(or (= main_x main_y) (<= (select main_a main_x) 97)), 35404#(or (<= (select main_a main_x) 98) (= main_x main_y)), 35405#(or (<= (select main_a main_x) 99) (= main_x main_y)), 35406#(or (<= (select main_a main_x) 100) (= main_x main_y)), 35407#(or (<= (select main_a main_x) 101) (= main_x main_y)), 35408#(or (= main_x main_y) (<= (select main_a main_x) 102)), 35409#(or (<= (select main_a main_x) 103) (= main_x main_y)), 35410#(or (<= (select main_a main_x) 104) (= main_x main_y)), 35411#(or (= main_x main_y) (<= (select main_a main_x) 105)), 35412#(or (= main_x main_y) (<= (select main_a main_x) 106)), 35413#(or (<= (select main_a main_x) 107) (= main_x main_y)), 35414#(or (<= (select main_a main_x) 108) (= main_x main_y)), 35415#(or (= main_x main_y) (<= (select main_a main_x) 109)), 35416#(or (= main_x main_y) (<= (select main_a main_x) 110)), 35417#(or (<= (select main_a main_x) 111) (= main_x main_y)), 35418#(or (<= (select main_a main_x) 112) (= main_x main_y)), 35419#(or (<= (select main_a main_x) 113) (= main_x main_y)), 35420#(or (not (= (select main_a main_x) 1000)) (= main_x main_y)), 35304#true, 35305#false, 35306#(or (= 0 (select main_a main_x)) (= main_x main_y)), 35307#(or (<= (select main_a main_x) 1) (= main_x main_y)), 35308#(or (= main_x main_y) (<= (select main_a main_x) 2)), 35309#(or (= main_x main_y) (<= (select main_a main_x) 3)), 35310#(or (<= (select main_a main_x) 4) (= main_x main_y)), 35311#(or (<= (select main_a main_x) 5) (= main_x main_y)), 35312#(or (<= (select main_a main_x) 6) (= main_x main_y)), 35313#(or (<= (select main_a main_x) 7) (= main_x main_y)), 35314#(or (<= (select main_a main_x) 8) (= main_x main_y)), 35315#(or (= main_x main_y) (<= (select main_a main_x) 9)), 35316#(or (= main_x main_y) (<= (select main_a main_x) 10)), 35317#(or (= main_x main_y) (<= (select main_a main_x) 11)), 35318#(or (<= (select main_a main_x) 12) (= main_x main_y)), 35319#(or (= main_x main_y) (<= (select main_a main_x) 13)), 35320#(or (<= (select main_a main_x) 14) (= main_x main_y)), 35321#(or (<= (select main_a main_x) 15) (= main_x main_y)), 35322#(or (<= (select main_a main_x) 16) (= main_x main_y)), 35323#(or (= main_x main_y) (<= (select main_a main_x) 17)), 35324#(or (<= (select main_a main_x) 18) (= main_x main_y)), 35325#(or (<= (select main_a main_x) 19) (= main_x main_y)), 35326#(or (= main_x main_y) (<= (select main_a main_x) 20)), 35327#(or (<= (select main_a main_x) 21) (= main_x main_y))] [2018-07-23 13:56:54,379 INFO L134 CoverageAnalysis]: Checked inductivity of 6555 backedges. 0 proven. 6555 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-07-23 13:56:54,380 INFO L450 AbstractCegarLoop]: Interpolant automaton has 117 states [2018-07-23 13:56:54,381 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 117 interpolants. [2018-07-23 13:56:54,382 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=6786, Invalid=6786, Unknown=0, NotChecked=0, Total=13572 [2018-07-23 13:56:54,382 INFO L87 Difference]: Start difference. First operand 118 states and 118 transitions. Second operand 117 states. [2018-07-23 13:56:54,539 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-07-23 13:56:54,539 INFO L93 Difference]: Finished difference Result 121 states and 121 transitions. [2018-07-23 13:56:54,539 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 117 states. [2018-07-23 13:56:54,539 INFO L78 Accepts]: Start accepts. Automaton has 117 states. Word has length 117 [2018-07-23 13:56:54,540 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-07-23 13:56:54,540 INFO L225 Difference]: With dead ends: 121 [2018-07-23 13:56:54,540 INFO L226 Difference]: Without dead ends: 119 [2018-07-23 13:56:54,541 INFO L575 BasicCegarLoop]: 0 DeclaredPredicates, 116 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 115 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.7s TimeCoverageRelationStatistics Valid=6786, Invalid=6786, Unknown=0, NotChecked=0, Total=13572 [2018-07-23 13:56:54,542 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 119 states. [2018-07-23 13:56:54,550 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 119 to 119. [2018-07-23 13:56:54,550 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 119 states. [2018-07-23 13:56:54,550 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 119 states to 119 states and 119 transitions. [2018-07-23 13:56:54,551 INFO L78 Accepts]: Start accepts. Automaton has 119 states and 119 transitions. Word has length 117 [2018-07-23 13:56:54,551 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-07-23 13:56:54,551 INFO L471 AbstractCegarLoop]: Abstraction has 119 states and 119 transitions. [2018-07-23 13:56:54,551 INFO L472 AbstractCegarLoop]: Interpolant automaton has 117 states. [2018-07-23 13:56:54,551 INFO L276 IsEmpty]: Start isEmpty. Operand 119 states and 119 transitions. [2018-07-23 13:56:54,551 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 119 [2018-07-23 13:56:54,552 INFO L349 BasicCegarLoop]: Found error trace [2018-07-23 13:56:54,552 INFO L357 BasicCegarLoop]: trace histogram [115, 1, 1, 1] [2018-07-23 13:56:54,552 INFO L414 AbstractCegarLoop]: === Iteration 116 === [mainErr0AssertViolationASSERT]=== [2018-07-23 13:56:54,552 INFO L82 PathProgramCache]: Analyzing trace with hash 954069190, now seen corresponding path program 115 times [2018-07-23 13:56:54,552 INFO L69 tionRefinementEngine]: Using refinement strategy FixedRefinementStrategy [2018-07-23 13:56:54,703 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-07-23 13:56:55,484 INFO L134 CoverageAnalysis]: Checked inductivity of 6670 backedges. 0 proven. 6670 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-07-23 13:56:55,485 INFO L309 seRefinementStrategy]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2018-07-23 13:56:55,485 INFO L324 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [117] total 117 [2018-07-23 13:56:55,485 INFO L142 lantAutomatonBuilder]: Constructing canonical interpolant automaton, with selfloop in false state [2018-07-23 13:56:55,485 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-07-23 13:56:55,486 INFO L185 omatonBuilderFactory]: Interpolants [35901#true, 35902#false, 35903#(or (= 0 (select main_a main_x)) (= main_x main_y)), 35904#(or (<= (select main_a main_x) 1) (= main_x main_y)), 35905#(or (= main_x main_y) (<= (select main_a main_x) 2)), 35906#(or (= main_x main_y) (<= (select main_a main_x) 3)), 35907#(or (<= (select main_a main_x) 4) (= main_x main_y)), 35908#(or (<= (select main_a main_x) 5) (= main_x main_y)), 35909#(or (<= (select main_a main_x) 6) (= main_x main_y)), 35910#(or (<= (select main_a main_x) 7) (= main_x main_y)), 35911#(or (<= (select main_a main_x) 8) (= main_x main_y)), 35912#(or (= main_x main_y) (<= (select main_a main_x) 9)), 35913#(or (= main_x main_y) (<= (select main_a main_x) 10)), 35914#(or (= main_x main_y) (<= (select main_a main_x) 11)), 35915#(or (<= (select main_a main_x) 12) (= main_x main_y)), 35916#(or (= main_x main_y) (<= (select main_a main_x) 13)), 35917#(or (<= (select main_a main_x) 14) (= main_x main_y)), 35918#(or (<= (select main_a main_x) 15) (= main_x main_y)), 35919#(or (<= (select main_a main_x) 16) (= main_x main_y)), 35920#(or (= main_x main_y) (<= (select main_a main_x) 17)), 35921#(or (<= (select main_a main_x) 18) (= main_x main_y)), 35922#(or (<= (select main_a main_x) 19) (= main_x main_y)), 35923#(or (= main_x main_y) (<= (select main_a main_x) 20)), 35924#(or (<= (select main_a main_x) 21) (= main_x main_y)), 35925#(or (= main_x main_y) (<= (select main_a main_x) 22)), 35926#(or (= main_x main_y) (<= (select main_a main_x) 23)), 35927#(or (<= (select main_a main_x) 24) (= main_x main_y)), 35928#(or (= main_x main_y) (<= (select main_a main_x) 25)), 35929#(or (<= (select main_a main_x) 26) (= main_x main_y)), 35930#(or (<= (select main_a main_x) 27) (= main_x main_y)), 35931#(or (<= (select main_a main_x) 28) (= main_x main_y)), 35932#(or (<= (select main_a main_x) 29) (= main_x main_y)), 35933#(or (= main_x main_y) (<= (select main_a main_x) 30)), 35934#(or (<= (select main_a main_x) 31) (= main_x main_y)), 35935#(or (<= (select main_a main_x) 32) (= main_x main_y)), 35936#(or (<= (select main_a main_x) 33) (= main_x main_y)), 35937#(or (<= (select main_a main_x) 34) (= main_x main_y)), 35938#(or (<= (select main_a main_x) 35) (= main_x main_y)), 35939#(or (<= (select main_a main_x) 36) (= main_x main_y)), 35940#(or (<= (select main_a main_x) 37) (= main_x main_y)), 35941#(or (<= (select main_a main_x) 38) (= main_x main_y)), 35942#(or (<= (select main_a main_x) 39) (= main_x main_y)), 35943#(or (<= (select main_a main_x) 40) (= main_x main_y)), 35944#(or (<= (select main_a main_x) 41) (= main_x main_y)), 35945#(or (<= (select main_a main_x) 42) (= main_x main_y)), 35946#(or (= main_x main_y) (<= (select main_a main_x) 43)), 35947#(or (= main_x main_y) (<= (select main_a main_x) 44)), 35948#(or (= main_x main_y) (<= (select main_a main_x) 45)), 35949#(or (<= (select main_a main_x) 46) (= main_x main_y)), 35950#(or (<= (select main_a main_x) 47) (= main_x main_y)), 35951#(or (<= (select main_a main_x) 48) (= main_x main_y)), 35952#(or (<= (select main_a main_x) 49) (= main_x main_y)), 35953#(or (<= (select main_a main_x) 50) (= main_x main_y)), 35954#(or (<= (select main_a main_x) 51) (= main_x main_y)), 35955#(or (= main_x main_y) (<= (select main_a main_x) 52)), 35956#(or (<= (select main_a main_x) 53) (= main_x main_y)), 35957#(or (<= (select main_a main_x) 54) (= main_x main_y)), 35958#(or (<= (select main_a main_x) 55) (= main_x main_y)), 35959#(or (= main_x main_y) (<= (select main_a main_x) 56)), 35960#(or (<= (select main_a main_x) 57) (= main_x main_y)), 35961#(or (<= (select main_a main_x) 58) (= main_x main_y)), 35962#(or (= main_x main_y) (<= (select main_a main_x) 59)), 35963#(or (= main_x main_y) (<= (select main_a main_x) 60)), 35964#(or (= main_x main_y) (<= (select main_a main_x) 61)), 35965#(or (<= (select main_a main_x) 62) (= main_x main_y)), 35966#(or (<= (select main_a main_x) 63) (= main_x main_y)), 35967#(or (= main_x main_y) (<= (select main_a main_x) 64)), 35968#(or (<= (select main_a main_x) 65) (= main_x main_y)), 35969#(or (= main_x main_y) (<= (select main_a main_x) 66)), 35970#(or (<= (select main_a main_x) 67) (= main_x main_y)), 35971#(or (= main_x main_y) (<= (select main_a main_x) 68)), 35972#(or (= main_x main_y) (<= (select main_a main_x) 69)), 35973#(or (<= (select main_a main_x) 70) (= main_x main_y)), 35974#(or (<= (select main_a main_x) 71) (= main_x main_y)), 35975#(or (= main_x main_y) (<= (select main_a main_x) 72)), 35976#(or (<= (select main_a main_x) 73) (= main_x main_y)), 35977#(or (= main_x main_y) (<= (select main_a main_x) 74)), 35978#(or (= main_x main_y) (<= (select main_a main_x) 75)), 35979#(or (<= (select main_a main_x) 76) (= main_x main_y)), 35980#(or (<= (select main_a main_x) 77) (= main_x main_y)), 35981#(or (<= (select main_a main_x) 78) (= main_x main_y)), 35982#(or (<= (select main_a main_x) 79) (= main_x main_y)), 35983#(or (<= (select main_a main_x) 80) (= main_x main_y)), 35984#(or (<= (select main_a main_x) 81) (= main_x main_y)), 35985#(or (<= (select main_a main_x) 82) (= main_x main_y)), 35986#(or (= main_x main_y) (<= (select main_a main_x) 83)), 35987#(or (<= (select main_a main_x) 84) (= main_x main_y)), 35988#(or (<= (select main_a main_x) 85) (= main_x main_y)), 35989#(or (<= (select main_a main_x) 86) (= main_x main_y)), 35990#(or (<= (select main_a main_x) 87) (= main_x main_y)), 35991#(or (<= (select main_a main_x) 88) (= main_x main_y)), 35992#(or (<= (select main_a main_x) 89) (= main_x main_y)), 35993#(or (<= (select main_a main_x) 90) (= main_x main_y)), 35994#(or (= main_x main_y) (<= (select main_a main_x) 91)), 35995#(or (<= (select main_a main_x) 92) (= main_x main_y)), 35996#(or (<= (select main_a main_x) 93) (= main_x main_y)), 35997#(or (= main_x main_y) (<= (select main_a main_x) 94)), 35998#(or (<= (select main_a main_x) 95) (= main_x main_y)), 35999#(or (<= (select main_a main_x) 96) (= main_x main_y)), 36000#(or (= main_x main_y) (<= (select main_a main_x) 97)), 36001#(or (<= (select main_a main_x) 98) (= main_x main_y)), 36002#(or (<= (select main_a main_x) 99) (= main_x main_y)), 36003#(or (<= (select main_a main_x) 100) (= main_x main_y)), 36004#(or (<= (select main_a main_x) 101) (= main_x main_y)), 36005#(or (= main_x main_y) (<= (select main_a main_x) 102)), 36006#(or (<= (select main_a main_x) 103) (= main_x main_y)), 36007#(or (<= (select main_a main_x) 104) (= main_x main_y)), 36008#(or (= main_x main_y) (<= (select main_a main_x) 105)), 36009#(or (= main_x main_y) (<= (select main_a main_x) 106)), 36010#(or (<= (select main_a main_x) 107) (= main_x main_y)), 36011#(or (<= (select main_a main_x) 108) (= main_x main_y)), 36012#(or (= main_x main_y) (<= (select main_a main_x) 109)), 36013#(or (= main_x main_y) (<= (select main_a main_x) 110)), 36014#(or (<= (select main_a main_x) 111) (= main_x main_y)), 36015#(or (<= (select main_a main_x) 112) (= main_x main_y)), 36016#(or (<= (select main_a main_x) 113) (= main_x main_y)), 36017#(or (= main_x main_y) (<= (select main_a main_x) 114)), 36018#(or (not (= (select main_a main_x) 1000)) (= main_x main_y))] [2018-07-23 13:56:55,486 INFO L134 CoverageAnalysis]: Checked inductivity of 6670 backedges. 0 proven. 6670 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-07-23 13:56:55,486 INFO L450 AbstractCegarLoop]: Interpolant automaton has 118 states [2018-07-23 13:56:55,487 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 118 interpolants. [2018-07-23 13:56:55,488 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=6903, Invalid=6903, Unknown=0, NotChecked=0, Total=13806 [2018-07-23 13:56:55,488 INFO L87 Difference]: Start difference. First operand 119 states and 119 transitions. Second operand 118 states. [2018-07-23 13:56:55,696 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-07-23 13:56:55,696 INFO L93 Difference]: Finished difference Result 122 states and 122 transitions. [2018-07-23 13:56:55,696 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 118 states. [2018-07-23 13:56:55,696 INFO L78 Accepts]: Start accepts. Automaton has 118 states. Word has length 118 [2018-07-23 13:56:55,696 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-07-23 13:56:55,697 INFO L225 Difference]: With dead ends: 122 [2018-07-23 13:56:55,697 INFO L226 Difference]: Without dead ends: 120 [2018-07-23 13:56:55,698 INFO L575 BasicCegarLoop]: 0 DeclaredPredicates, 117 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 116 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.6s TimeCoverageRelationStatistics Valid=6903, Invalid=6903, Unknown=0, NotChecked=0, Total=13806 [2018-07-23 13:56:55,699 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 120 states. [2018-07-23 13:56:55,707 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 120 to 120. [2018-07-23 13:56:55,708 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 120 states. [2018-07-23 13:56:55,708 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 120 states to 120 states and 120 transitions. [2018-07-23 13:56:55,708 INFO L78 Accepts]: Start accepts. Automaton has 120 states and 120 transitions. Word has length 118 [2018-07-23 13:56:55,708 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-07-23 13:56:55,708 INFO L471 AbstractCegarLoop]: Abstraction has 120 states and 120 transitions. [2018-07-23 13:56:55,708 INFO L472 AbstractCegarLoop]: Interpolant automaton has 118 states. [2018-07-23 13:56:55,709 INFO L276 IsEmpty]: Start isEmpty. Operand 120 states and 120 transitions. [2018-07-23 13:56:55,709 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 120 [2018-07-23 13:56:55,709 INFO L349 BasicCegarLoop]: Found error trace [2018-07-23 13:56:55,709 INFO L357 BasicCegarLoop]: trace histogram [116, 1, 1, 1] [2018-07-23 13:56:55,709 INFO L414 AbstractCegarLoop]: === Iteration 117 === [mainErr0AssertViolationASSERT]=== [2018-07-23 13:56:55,710 INFO L82 PathProgramCache]: Analyzing trace with hash -488630048, now seen corresponding path program 116 times [2018-07-23 13:56:55,710 INFO L69 tionRefinementEngine]: Using refinement strategy FixedRefinementStrategy [2018-07-23 13:56:55,849 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-07-23 13:56:56,715 INFO L134 CoverageAnalysis]: Checked inductivity of 6786 backedges. 0 proven. 6786 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-07-23 13:56:56,715 INFO L309 seRefinementStrategy]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2018-07-23 13:56:56,715 INFO L324 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [118] total 118 [2018-07-23 13:56:56,715 INFO L142 lantAutomatonBuilder]: Constructing canonical interpolant automaton, with selfloop in false state [2018-07-23 13:56:56,716 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 13:56:56,716 INFO L185 omatonBuilderFactory]: Interpolants [36608#(or (<= (select main_a main_x) 103) (= main_x main_y)), 36609#(or (<= (select main_a main_x) 104) (= main_x main_y)), 36610#(or (= main_x main_y) (<= (select main_a main_x) 105)), 36611#(or (= main_x main_y) (<= (select main_a main_x) 106)), 36612#(or (<= (select main_a main_x) 107) (= main_x main_y)), 36613#(or (<= (select main_a main_x) 108) (= main_x main_y)), 36614#(or (= main_x main_y) (<= (select main_a main_x) 109)), 36615#(or (= main_x main_y) (<= (select main_a main_x) 110)), 36616#(or (<= (select main_a main_x) 111) (= main_x main_y)), 36617#(or (<= (select main_a main_x) 112) (= main_x main_y)), 36618#(or (<= (select main_a main_x) 113) (= main_x main_y)), 36619#(or (= main_x main_y) (<= (select main_a main_x) 114)), 36620#(or (= main_x main_y) (<= (select main_a main_x) 115)), 36621#(or (not (= (select main_a main_x) 1000)) (= main_x main_y)), 36503#true, 36504#false, 36505#(or (= 0 (select main_a main_x)) (= main_x main_y)), 36506#(or (<= (select main_a main_x) 1) (= main_x main_y)), 36507#(or (= main_x main_y) (<= (select main_a main_x) 2)), 36508#(or (= main_x main_y) (<= (select main_a main_x) 3)), 36509#(or (<= (select main_a main_x) 4) (= main_x main_y)), 36510#(or (<= (select main_a main_x) 5) (= main_x main_y)), 36511#(or (<= (select main_a main_x) 6) (= main_x main_y)), 36512#(or (<= (select main_a main_x) 7) (= main_x main_y)), 36513#(or (<= (select main_a main_x) 8) (= main_x main_y)), 36514#(or (= main_x main_y) (<= (select main_a main_x) 9)), 36515#(or (= main_x main_y) (<= (select main_a main_x) 10)), 36516#(or (= main_x main_y) (<= (select main_a main_x) 11)), 36517#(or (<= (select main_a main_x) 12) (= main_x main_y)), 36518#(or (= main_x main_y) (<= (select main_a main_x) 13)), 36519#(or (<= (select main_a main_x) 14) (= main_x main_y)), 36520#(or (<= (select main_a main_x) 15) (= main_x main_y)), 36521#(or (<= (select main_a main_x) 16) (= main_x main_y)), 36522#(or (= main_x main_y) (<= (select main_a main_x) 17)), 36523#(or (<= (select main_a main_x) 18) (= main_x main_y)), 36524#(or (<= (select main_a main_x) 19) (= main_x main_y)), 36525#(or (= main_x main_y) (<= (select main_a main_x) 20)), 36526#(or (<= (select main_a main_x) 21) (= main_x main_y)), 36527#(or (= main_x main_y) (<= (select main_a main_x) 22)), 36528#(or (= main_x main_y) (<= (select main_a main_x) 23)), 36529#(or (<= (select main_a main_x) 24) (= main_x main_y)), 36530#(or (= main_x main_y) (<= (select main_a main_x) 25)), 36531#(or (<= (select main_a main_x) 26) (= main_x main_y)), 36532#(or (<= (select main_a main_x) 27) (= main_x main_y)), 36533#(or (<= (select main_a main_x) 28) (= main_x main_y)), 36534#(or (<= (select main_a main_x) 29) (= main_x main_y)), 36535#(or (= main_x main_y) (<= (select main_a main_x) 30)), 36536#(or (<= (select main_a main_x) 31) (= main_x main_y)), 36537#(or (<= (select main_a main_x) 32) (= main_x main_y)), 36538#(or (<= (select main_a main_x) 33) (= main_x main_y)), 36539#(or (<= (select main_a main_x) 34) (= main_x main_y)), 36540#(or (<= (select main_a main_x) 35) (= main_x main_y)), 36541#(or (<= (select main_a main_x) 36) (= main_x main_y)), 36542#(or (<= (select main_a main_x) 37) (= main_x main_y)), 36543#(or (<= (select main_a main_x) 38) (= main_x main_y)), 36544#(or (<= (select main_a main_x) 39) (= main_x main_y)), 36545#(or (<= (select main_a main_x) 40) (= main_x main_y)), 36546#(or (<= (select main_a main_x) 41) (= main_x main_y)), 36547#(or (<= (select main_a main_x) 42) (= main_x main_y)), 36548#(or (= main_x main_y) (<= (select main_a main_x) 43)), 36549#(or (= main_x main_y) (<= (select main_a main_x) 44)), 36550#(or (= main_x main_y) (<= (select main_a main_x) 45)), 36551#(or (<= (select main_a main_x) 46) (= main_x main_y)), 36552#(or (<= (select main_a main_x) 47) (= main_x main_y)), 36553#(or (<= (select main_a main_x) 48) (= main_x main_y)), 36554#(or (<= (select main_a main_x) 49) (= main_x main_y)), 36555#(or (<= (select main_a main_x) 50) (= main_x main_y)), 36556#(or (<= (select main_a main_x) 51) (= main_x main_y)), 36557#(or (= main_x main_y) (<= (select main_a main_x) 52)), 36558#(or (<= (select main_a main_x) 53) (= main_x main_y)), 36559#(or (<= (select main_a main_x) 54) (= main_x main_y)), 36560#(or (<= (select main_a main_x) 55) (= main_x main_y)), 36561#(or (= main_x main_y) (<= (select main_a main_x) 56)), 36562#(or (<= (select main_a main_x) 57) (= main_x main_y)), 36563#(or (<= (select main_a main_x) 58) (= main_x main_y)), 36564#(or (= main_x main_y) (<= (select main_a main_x) 59)), 36565#(or (= main_x main_y) (<= (select main_a main_x) 60)), 36566#(or (= main_x main_y) (<= (select main_a main_x) 61)), 36567#(or (<= (select main_a main_x) 62) (= main_x main_y)), 36568#(or (<= (select main_a main_x) 63) (= main_x main_y)), 36569#(or (= main_x main_y) (<= (select main_a main_x) 64)), 36570#(or (<= (select main_a main_x) 65) (= main_x main_y)), 36571#(or (= main_x main_y) (<= (select main_a main_x) 66)), 36572#(or (<= (select main_a main_x) 67) (= main_x main_y)), 36573#(or (= main_x main_y) (<= (select main_a main_x) 68)), 36574#(or (= main_x main_y) (<= (select main_a main_x) 69)), 36575#(or (<= (select main_a main_x) 70) (= main_x main_y)), 36576#(or (<= (select main_a main_x) 71) (= main_x main_y)), 36577#(or (= main_x main_y) (<= (select main_a main_x) 72)), 36578#(or (<= (select main_a main_x) 73) (= main_x main_y)), 36579#(or (= main_x main_y) (<= (select main_a main_x) 74)), 36580#(or (= main_x main_y) (<= (select main_a main_x) 75)), 36581#(or (<= (select main_a main_x) 76) (= main_x main_y)), 36582#(or (<= (select main_a main_x) 77) (= main_x main_y)), 36583#(or (<= (select main_a main_x) 78) (= main_x main_y)), 36584#(or (<= (select main_a main_x) 79) (= main_x main_y)), 36585#(or (<= (select main_a main_x) 80) (= main_x main_y)), 36586#(or (<= (select main_a main_x) 81) (= main_x main_y)), 36587#(or (<= (select main_a main_x) 82) (= main_x main_y)), 36588#(or (= main_x main_y) (<= (select main_a main_x) 83)), 36589#(or (<= (select main_a main_x) 84) (= main_x main_y)), 36590#(or (<= (select main_a main_x) 85) (= main_x main_y)), 36591#(or (<= (select main_a main_x) 86) (= main_x main_y)), 36592#(or (<= (select main_a main_x) 87) (= main_x main_y)), 36593#(or (<= (select main_a main_x) 88) (= main_x main_y)), 36594#(or (<= (select main_a main_x) 89) (= main_x main_y)), 36595#(or (<= (select main_a main_x) 90) (= main_x main_y)), 36596#(or (= main_x main_y) (<= (select main_a main_x) 91)), 36597#(or (<= (select main_a main_x) 92) (= main_x main_y)), 36598#(or (<= (select main_a main_x) 93) (= main_x main_y)), 36599#(or (= main_x main_y) (<= (select main_a main_x) 94)), 36600#(or (<= (select main_a main_x) 95) (= main_x main_y)), 36601#(or (<= (select main_a main_x) 96) (= main_x main_y)), 36602#(or (= main_x main_y) (<= (select main_a main_x) 97)), 36603#(or (<= (select main_a main_x) 98) (= main_x main_y)), 36604#(or (<= (select main_a main_x) 99) (= main_x main_y)), 36605#(or (<= (select main_a main_x) 100) (= main_x main_y)), 36606#(or (<= (select main_a main_x) 101) (= main_x main_y)), 36607#(or (= main_x main_y) (<= (select main_a main_x) 102))] [2018-07-23 13:56:56,716 INFO L134 CoverageAnalysis]: Checked inductivity of 6786 backedges. 0 proven. 6786 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-07-23 13:56:56,716 INFO L450 AbstractCegarLoop]: Interpolant automaton has 119 states [2018-07-23 13:56:56,717 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 119 interpolants. [2018-07-23 13:56:56,718 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=7021, Invalid=7021, Unknown=0, NotChecked=0, Total=14042 [2018-07-23 13:56:56,718 INFO L87 Difference]: Start difference. First operand 120 states and 120 transitions. Second operand 119 states. [2018-07-23 13:56:56,857 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-07-23 13:56:56,857 INFO L93 Difference]: Finished difference Result 123 states and 123 transitions. [2018-07-23 13:56:56,857 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 119 states. [2018-07-23 13:56:56,857 INFO L78 Accepts]: Start accepts. Automaton has 119 states. Word has length 119 [2018-07-23 13:56:56,857 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-07-23 13:56:56,857 INFO L225 Difference]: With dead ends: 123 [2018-07-23 13:56:56,858 INFO L226 Difference]: Without dead ends: 121 [2018-07-23 13:56:56,859 INFO L575 BasicCegarLoop]: 0 DeclaredPredicates, 118 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 117 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.7s TimeCoverageRelationStatistics Valid=7021, Invalid=7021, Unknown=0, NotChecked=0, Total=14042 [2018-07-23 13:56:56,859 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 121 states. [2018-07-23 13:56:56,865 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 121 to 121. [2018-07-23 13:56:56,865 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 121 states. [2018-07-23 13:56:56,865 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 121 states to 121 states and 121 transitions. [2018-07-23 13:56:56,866 INFO L78 Accepts]: Start accepts. Automaton has 121 states and 121 transitions. Word has length 119 [2018-07-23 13:56:56,866 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-07-23 13:56:56,866 INFO L471 AbstractCegarLoop]: Abstraction has 121 states and 121 transitions. [2018-07-23 13:56:56,866 INFO L472 AbstractCegarLoop]: Interpolant automaton has 119 states. [2018-07-23 13:56:56,866 INFO L276 IsEmpty]: Start isEmpty. Operand 121 states and 121 transitions. [2018-07-23 13:56:56,866 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 121 [2018-07-23 13:56:56,866 INFO L349 BasicCegarLoop]: Found error trace [2018-07-23 13:56:56,867 INFO L357 BasicCegarLoop]: trace histogram [117, 1, 1, 1] [2018-07-23 13:56:56,867 INFO L414 AbstractCegarLoop]: === Iteration 118 === [mainErr0AssertViolationASSERT]=== [2018-07-23 13:56:56,867 INFO L82 PathProgramCache]: Analyzing trace with hash 2032333830, now seen corresponding path program 117 times [2018-07-23 13:56:56,867 INFO L69 tionRefinementEngine]: Using refinement strategy FixedRefinementStrategy [2018-07-23 13:56:56,992 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-07-23 13:56:57,858 INFO L134 CoverageAnalysis]: Checked inductivity of 6903 backedges. 0 proven. 6903 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-07-23 13:56:57,858 INFO L309 seRefinementStrategy]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2018-07-23 13:56:57,858 INFO L324 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [119] total 119 [2018-07-23 13:56:57,858 INFO L142 lantAutomatonBuilder]: Constructing canonical interpolant automaton, with selfloop in false state [2018-07-23 13:56:57,859 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-07-23 13:56:57,859 INFO L185 omatonBuilderFactory]: Interpolants [37120#(or (<= (select main_a main_x) 8) (= main_x main_y)), 37121#(or (= main_x main_y) (<= (select main_a main_x) 9)), 37122#(or (= main_x main_y) (<= (select main_a main_x) 10)), 37123#(or (= main_x main_y) (<= (select main_a main_x) 11)), 37124#(or (<= (select main_a main_x) 12) (= main_x main_y)), 37125#(or (= main_x main_y) (<= (select main_a main_x) 13)), 37126#(or (<= (select main_a main_x) 14) (= main_x main_y)), 37127#(or (<= (select main_a main_x) 15) (= main_x main_y)), 37128#(or (<= (select main_a main_x) 16) (= main_x main_y)), 37129#(or (= main_x main_y) (<= (select main_a main_x) 17)), 37130#(or (<= (select main_a main_x) 18) (= main_x main_y)), 37131#(or (<= (select main_a main_x) 19) (= main_x main_y)), 37132#(or (= main_x main_y) (<= (select main_a main_x) 20)), 37133#(or (<= (select main_a main_x) 21) (= main_x main_y)), 37134#(or (= main_x main_y) (<= (select main_a main_x) 22)), 37135#(or (= main_x main_y) (<= (select main_a main_x) 23)), 37136#(or (<= (select main_a main_x) 24) (= main_x main_y)), 37137#(or (= main_x main_y) (<= (select main_a main_x) 25)), 37138#(or (<= (select main_a main_x) 26) (= main_x main_y)), 37139#(or (<= (select main_a main_x) 27) (= main_x main_y)), 37140#(or (<= (select main_a main_x) 28) (= main_x main_y)), 37141#(or (<= (select main_a main_x) 29) (= main_x main_y)), 37142#(or (= main_x main_y) (<= (select main_a main_x) 30)), 37143#(or (<= (select main_a main_x) 31) (= main_x main_y)), 37144#(or (<= (select main_a main_x) 32) (= main_x main_y)), 37145#(or (<= (select main_a main_x) 33) (= main_x main_y)), 37146#(or (<= (select main_a main_x) 34) (= main_x main_y)), 37147#(or (<= (select main_a main_x) 35) (= main_x main_y)), 37148#(or (<= (select main_a main_x) 36) (= main_x main_y)), 37149#(or (<= (select main_a main_x) 37) (= main_x main_y)), 37150#(or (<= (select main_a main_x) 38) (= main_x main_y)), 37151#(or (<= (select main_a main_x) 39) (= main_x main_y)), 37152#(or (<= (select main_a main_x) 40) (= main_x main_y)), 37153#(or (<= (select main_a main_x) 41) (= main_x main_y)), 37154#(or (<= (select main_a main_x) 42) (= main_x main_y)), 37155#(or (= main_x main_y) (<= (select main_a main_x) 43)), 37156#(or (= main_x main_y) (<= (select main_a main_x) 44)), 37157#(or (= main_x main_y) (<= (select main_a main_x) 45)), 37158#(or (<= (select main_a main_x) 46) (= main_x main_y)), 37159#(or (<= (select main_a main_x) 47) (= main_x main_y)), 37160#(or (<= (select main_a main_x) 48) (= main_x main_y)), 37161#(or (<= (select main_a main_x) 49) (= main_x main_y)), 37162#(or (<= (select main_a main_x) 50) (= main_x main_y)), 37163#(or (<= (select main_a main_x) 51) (= main_x main_y)), 37164#(or (= main_x main_y) (<= (select main_a main_x) 52)), 37165#(or (<= (select main_a main_x) 53) (= main_x main_y)), 37166#(or (<= (select main_a main_x) 54) (= main_x main_y)), 37167#(or (<= (select main_a main_x) 55) (= main_x main_y)), 37168#(or (= main_x main_y) (<= (select main_a main_x) 56)), 37169#(or (<= (select main_a main_x) 57) (= main_x main_y)), 37170#(or (<= (select main_a main_x) 58) (= main_x main_y)), 37171#(or (= main_x main_y) (<= (select main_a main_x) 59)), 37172#(or (= main_x main_y) (<= (select main_a main_x) 60)), 37173#(or (= main_x main_y) (<= (select main_a main_x) 61)), 37174#(or (<= (select main_a main_x) 62) (= main_x main_y)), 37175#(or (<= (select main_a main_x) 63) (= main_x main_y)), 37176#(or (= main_x main_y) (<= (select main_a main_x) 64)), 37177#(or (<= (select main_a main_x) 65) (= main_x main_y)), 37178#(or (= main_x main_y) (<= (select main_a main_x) 66)), 37179#(or (<= (select main_a main_x) 67) (= main_x main_y)), 37180#(or (= main_x main_y) (<= (select main_a main_x) 68)), 37181#(or (= main_x main_y) (<= (select main_a main_x) 69)), 37182#(or (<= (select main_a main_x) 70) (= main_x main_y)), 37183#(or (<= (select main_a main_x) 71) (= main_x main_y)), 37184#(or (= main_x main_y) (<= (select main_a main_x) 72)), 37185#(or (<= (select main_a main_x) 73) (= main_x main_y)), 37186#(or (= main_x main_y) (<= (select main_a main_x) 74)), 37187#(or (= main_x main_y) (<= (select main_a main_x) 75)), 37188#(or (<= (select main_a main_x) 76) (= main_x main_y)), 37189#(or (<= (select main_a main_x) 77) (= main_x main_y)), 37190#(or (<= (select main_a main_x) 78) (= main_x main_y)), 37191#(or (<= (select main_a main_x) 79) (= main_x main_y)), 37192#(or (<= (select main_a main_x) 80) (= main_x main_y)), 37193#(or (<= (select main_a main_x) 81) (= main_x main_y)), 37194#(or (<= (select main_a main_x) 82) (= main_x main_y)), 37195#(or (= main_x main_y) (<= (select main_a main_x) 83)), 37196#(or (<= (select main_a main_x) 84) (= main_x main_y)), 37197#(or (<= (select main_a main_x) 85) (= main_x main_y)), 37198#(or (<= (select main_a main_x) 86) (= main_x main_y)), 37199#(or (<= (select main_a main_x) 87) (= main_x main_y)), 37200#(or (<= (select main_a main_x) 88) (= main_x main_y)), 37201#(or (<= (select main_a main_x) 89) (= main_x main_y)), 37202#(or (<= (select main_a main_x) 90) (= main_x main_y)), 37203#(or (= main_x main_y) (<= (select main_a main_x) 91)), 37204#(or (<= (select main_a main_x) 92) (= main_x main_y)), 37205#(or (<= (select main_a main_x) 93) (= main_x main_y)), 37206#(or (= main_x main_y) (<= (select main_a main_x) 94)), 37207#(or (<= (select main_a main_x) 95) (= main_x main_y)), 37208#(or (<= (select main_a main_x) 96) (= main_x main_y)), 37209#(or (= main_x main_y) (<= (select main_a main_x) 97)), 37210#(or (<= (select main_a main_x) 98) (= main_x main_y)), 37211#(or (<= (select main_a main_x) 99) (= main_x main_y)), 37212#(or (<= (select main_a main_x) 100) (= main_x main_y)), 37213#(or (<= (select main_a main_x) 101) (= main_x main_y)), 37214#(or (= main_x main_y) (<= (select main_a main_x) 102)), 37215#(or (<= (select main_a main_x) 103) (= main_x main_y)), 37216#(or (<= (select main_a main_x) 104) (= main_x main_y)), 37217#(or (= main_x main_y) (<= (select main_a main_x) 105)), 37218#(or (= main_x main_y) (<= (select main_a main_x) 106)), 37219#(or (<= (select main_a main_x) 107) (= main_x main_y)), 37220#(or (<= (select main_a main_x) 108) (= main_x main_y)), 37221#(or (= main_x main_y) (<= (select main_a main_x) 109)), 37222#(or (= main_x main_y) (<= (select main_a main_x) 110)), 37223#(or (<= (select main_a main_x) 111) (= main_x main_y)), 37224#(or (<= (select main_a main_x) 112) (= main_x main_y)), 37225#(or (<= (select main_a main_x) 113) (= main_x main_y)), 37226#(or (= main_x main_y) (<= (select main_a main_x) 114)), 37227#(or (= main_x main_y) (<= (select main_a main_x) 115)), 37228#(or (<= (select main_a main_x) 116) (= main_x main_y)), 37229#(or (not (= (select main_a main_x) 1000)) (= main_x main_y)), 37110#true, 37111#false, 37112#(or (= 0 (select main_a main_x)) (= main_x main_y)), 37113#(or (<= (select main_a main_x) 1) (= main_x main_y)), 37114#(or (= main_x main_y) (<= (select main_a main_x) 2)), 37115#(or (= main_x main_y) (<= (select main_a main_x) 3)), 37116#(or (<= (select main_a main_x) 4) (= main_x main_y)), 37117#(or (<= (select main_a main_x) 5) (= main_x main_y)), 37118#(or (<= (select main_a main_x) 6) (= main_x main_y)), 37119#(or (<= (select main_a main_x) 7) (= main_x main_y))] [2018-07-23 13:56:57,860 INFO L134 CoverageAnalysis]: Checked inductivity of 6903 backedges. 0 proven. 6903 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-07-23 13:56:57,860 INFO L450 AbstractCegarLoop]: Interpolant automaton has 120 states [2018-07-23 13:56:57,861 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 120 interpolants. [2018-07-23 13:56:57,862 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=7140, Invalid=7140, Unknown=0, NotChecked=0, Total=14280 [2018-07-23 13:56:57,862 INFO L87 Difference]: Start difference. First operand 121 states and 121 transitions. Second operand 120 states. [2018-07-23 13:56:58,054 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-07-23 13:56:58,055 INFO L93 Difference]: Finished difference Result 124 states and 124 transitions. [2018-07-23 13:56:58,055 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 120 states. [2018-07-23 13:56:58,055 INFO L78 Accepts]: Start accepts. Automaton has 120 states. Word has length 120 [2018-07-23 13:56:58,055 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-07-23 13:56:58,056 INFO L225 Difference]: With dead ends: 124 [2018-07-23 13:56:58,056 INFO L226 Difference]: Without dead ends: 122 [2018-07-23 13:56:58,057 INFO L575 BasicCegarLoop]: 0 DeclaredPredicates, 119 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 118 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.7s TimeCoverageRelationStatistics Valid=7140, Invalid=7140, Unknown=0, NotChecked=0, Total=14280 [2018-07-23 13:56:58,057 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 122 states. [2018-07-23 13:56:58,063 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 122 to 122. [2018-07-23 13:56:58,063 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 122 states. [2018-07-23 13:56:58,064 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 122 states to 122 states and 122 transitions. [2018-07-23 13:56:58,064 INFO L78 Accepts]: Start accepts. Automaton has 122 states and 122 transitions. Word has length 120 [2018-07-23 13:56:58,064 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-07-23 13:56:58,064 INFO L471 AbstractCegarLoop]: Abstraction has 122 states and 122 transitions. [2018-07-23 13:56:58,064 INFO L472 AbstractCegarLoop]: Interpolant automaton has 120 states. [2018-07-23 13:56:58,064 INFO L276 IsEmpty]: Start isEmpty. Operand 122 states and 122 transitions. [2018-07-23 13:56:58,064 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 122 [2018-07-23 13:56:58,065 INFO L349 BasicCegarLoop]: Found error trace [2018-07-23 13:56:58,065 INFO L357 BasicCegarLoop]: trace histogram [118, 1, 1, 1] [2018-07-23 13:56:58,065 INFO L414 AbstractCegarLoop]: === Iteration 119 === [mainErr0AssertViolationASSERT]=== [2018-07-23 13:56:58,065 INFO L82 PathProgramCache]: Analyzing trace with hash -1422164576, now seen corresponding path program 118 times [2018-07-23 13:56:58,065 INFO L69 tionRefinementEngine]: Using refinement strategy FixedRefinementStrategy [2018-07-23 13:56:58,179 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-07-23 13:56:59,114 INFO L134 CoverageAnalysis]: Checked inductivity of 7021 backedges. 0 proven. 7021 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-07-23 13:56:59,115 INFO L309 seRefinementStrategy]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2018-07-23 13:56:59,115 INFO L324 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [120] total 120 [2018-07-23 13:56:59,115 INFO L142 lantAutomatonBuilder]: Constructing canonical interpolant automaton, with selfloop in false state [2018-07-23 13:56:59,116 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-07-23 13:56:59,116 INFO L185 omatonBuilderFactory]: Interpolants [37722#true, 37723#false, 37724#(or (= 0 (select main_a main_x)) (= main_x main_y)), 37725#(or (<= (select main_a main_x) 1) (= main_x main_y)), 37726#(or (= main_x main_y) (<= (select main_a main_x) 2)), 37727#(or (= main_x main_y) (<= (select main_a main_x) 3)), 37728#(or (<= (select main_a main_x) 4) (= main_x main_y)), 37729#(or (<= (select main_a main_x) 5) (= main_x main_y)), 37730#(or (<= (select main_a main_x) 6) (= main_x main_y)), 37731#(or (<= (select main_a main_x) 7) (= main_x main_y)), 37732#(or (<= (select main_a main_x) 8) (= main_x main_y)), 37733#(or (= main_x main_y) (<= (select main_a main_x) 9)), 37734#(or (= main_x main_y) (<= (select main_a main_x) 10)), 37735#(or (= main_x main_y) (<= (select main_a main_x) 11)), 37736#(or (<= (select main_a main_x) 12) (= main_x main_y)), 37737#(or (= main_x main_y) (<= (select main_a main_x) 13)), 37738#(or (<= (select main_a main_x) 14) (= main_x main_y)), 37739#(or (<= (select main_a main_x) 15) (= main_x main_y)), 37740#(or (<= (select main_a main_x) 16) (= main_x main_y)), 37741#(or (= main_x main_y) (<= (select main_a main_x) 17)), 37742#(or (<= (select main_a main_x) 18) (= main_x main_y)), 37743#(or (<= (select main_a main_x) 19) (= main_x main_y)), 37744#(or (= main_x main_y) (<= (select main_a main_x) 20)), 37745#(or (<= (select main_a main_x) 21) (= main_x main_y)), 37746#(or (= main_x main_y) (<= (select main_a main_x) 22)), 37747#(or (= main_x main_y) (<= (select main_a main_x) 23)), 37748#(or (<= (select main_a main_x) 24) (= main_x main_y)), 37749#(or (= main_x main_y) (<= (select main_a main_x) 25)), 37750#(or (<= (select main_a main_x) 26) (= main_x main_y)), 37751#(or (<= (select main_a main_x) 27) (= main_x main_y)), 37752#(or (<= (select main_a main_x) 28) (= main_x main_y)), 37753#(or (<= (select main_a main_x) 29) (= main_x main_y)), 37754#(or (= main_x main_y) (<= (select main_a main_x) 30)), 37755#(or (<= (select main_a main_x) 31) (= main_x main_y)), 37756#(or (<= (select main_a main_x) 32) (= main_x main_y)), 37757#(or (<= (select main_a main_x) 33) (= main_x main_y)), 37758#(or (<= (select main_a main_x) 34) (= main_x main_y)), 37759#(or (<= (select main_a main_x) 35) (= main_x main_y)), 37760#(or (<= (select main_a main_x) 36) (= main_x main_y)), 37761#(or (<= (select main_a main_x) 37) (= main_x main_y)), 37762#(or (<= (select main_a main_x) 38) (= main_x main_y)), 37763#(or (<= (select main_a main_x) 39) (= main_x main_y)), 37764#(or (<= (select main_a main_x) 40) (= main_x main_y)), 37765#(or (<= (select main_a main_x) 41) (= main_x main_y)), 37766#(or (<= (select main_a main_x) 42) (= main_x main_y)), 37767#(or (= main_x main_y) (<= (select main_a main_x) 43)), 37768#(or (= main_x main_y) (<= (select main_a main_x) 44)), 37769#(or (= main_x main_y) (<= (select main_a main_x) 45)), 37770#(or (<= (select main_a main_x) 46) (= main_x main_y)), 37771#(or (<= (select main_a main_x) 47) (= main_x main_y)), 37772#(or (<= (select main_a main_x) 48) (= main_x main_y)), 37773#(or (<= (select main_a main_x) 49) (= main_x main_y)), 37774#(or (<= (select main_a main_x) 50) (= main_x main_y)), 37775#(or (<= (select main_a main_x) 51) (= main_x main_y)), 37776#(or (= main_x main_y) (<= (select main_a main_x) 52)), 37777#(or (<= (select main_a main_x) 53) (= main_x main_y)), 37778#(or (<= (select main_a main_x) 54) (= main_x main_y)), 37779#(or (<= (select main_a main_x) 55) (= main_x main_y)), 37780#(or (= main_x main_y) (<= (select main_a main_x) 56)), 37781#(or (<= (select main_a main_x) 57) (= main_x main_y)), 37782#(or (<= (select main_a main_x) 58) (= main_x main_y)), 37783#(or (= main_x main_y) (<= (select main_a main_x) 59)), 37784#(or (= main_x main_y) (<= (select main_a main_x) 60)), 37785#(or (= main_x main_y) (<= (select main_a main_x) 61)), 37786#(or (<= (select main_a main_x) 62) (= main_x main_y)), 37787#(or (<= (select main_a main_x) 63) (= main_x main_y)), 37788#(or (= main_x main_y) (<= (select main_a main_x) 64)), 37789#(or (<= (select main_a main_x) 65) (= main_x main_y)), 37790#(or (= main_x main_y) (<= (select main_a main_x) 66)), 37791#(or (<= (select main_a main_x) 67) (= main_x main_y)), 37792#(or (= main_x main_y) (<= (select main_a main_x) 68)), 37793#(or (= main_x main_y) (<= (select main_a main_x) 69)), 37794#(or (<= (select main_a main_x) 70) (= main_x main_y)), 37795#(or (<= (select main_a main_x) 71) (= main_x main_y)), 37796#(or (= main_x main_y) (<= (select main_a main_x) 72)), 37797#(or (<= (select main_a main_x) 73) (= main_x main_y)), 37798#(or (= main_x main_y) (<= (select main_a main_x) 74)), 37799#(or (= main_x main_y) (<= (select main_a main_x) 75)), 37800#(or (<= (select main_a main_x) 76) (= main_x main_y)), 37801#(or (<= (select main_a main_x) 77) (= main_x main_y)), 37802#(or (<= (select main_a main_x) 78) (= main_x main_y)), 37803#(or (<= (select main_a main_x) 79) (= main_x main_y)), 37804#(or (<= (select main_a main_x) 80) (= main_x main_y)), 37805#(or (<= (select main_a main_x) 81) (= main_x main_y)), 37806#(or (<= (select main_a main_x) 82) (= main_x main_y)), 37807#(or (= main_x main_y) (<= (select main_a main_x) 83)), 37808#(or (<= (select main_a main_x) 84) (= main_x main_y)), 37809#(or (<= (select main_a main_x) 85) (= main_x main_y)), 37810#(or (<= (select main_a main_x) 86) (= main_x main_y)), 37811#(or (<= (select main_a main_x) 87) (= main_x main_y)), 37812#(or (<= (select main_a main_x) 88) (= main_x main_y)), 37813#(or (<= (select main_a main_x) 89) (= main_x main_y)), 37814#(or (<= (select main_a main_x) 90) (= main_x main_y)), 37815#(or (= main_x main_y) (<= (select main_a main_x) 91)), 37816#(or (<= (select main_a main_x) 92) (= main_x main_y)), 37817#(or (<= (select main_a main_x) 93) (= main_x main_y)), 37818#(or (= main_x main_y) (<= (select main_a main_x) 94)), 37819#(or (<= (select main_a main_x) 95) (= main_x main_y)), 37820#(or (<= (select main_a main_x) 96) (= main_x main_y)), 37821#(or (= main_x main_y) (<= (select main_a main_x) 97)), 37822#(or (<= (select main_a main_x) 98) (= main_x main_y)), 37823#(or (<= (select main_a main_x) 99) (= main_x main_y)), 37824#(or (<= (select main_a main_x) 100) (= main_x main_y)), 37825#(or (<= (select main_a main_x) 101) (= main_x main_y)), 37826#(or (= main_x main_y) (<= (select main_a main_x) 102)), 37827#(or (<= (select main_a main_x) 103) (= main_x main_y)), 37828#(or (<= (select main_a main_x) 104) (= main_x main_y)), 37829#(or (= main_x main_y) (<= (select main_a main_x) 105)), 37830#(or (= main_x main_y) (<= (select main_a main_x) 106)), 37831#(or (<= (select main_a main_x) 107) (= main_x main_y)), 37832#(or (<= (select main_a main_x) 108) (= main_x main_y)), 37833#(or (= main_x main_y) (<= (select main_a main_x) 109)), 37834#(or (= main_x main_y) (<= (select main_a main_x) 110)), 37835#(or (<= (select main_a main_x) 111) (= main_x main_y)), 37836#(or (<= (select main_a main_x) 112) (= main_x main_y)), 37837#(or (<= (select main_a main_x) 113) (= main_x main_y)), 37838#(or (= main_x main_y) (<= (select main_a main_x) 114)), 37839#(or (= main_x main_y) (<= (select main_a main_x) 115)), 37840#(or (<= (select main_a main_x) 116) (= main_x main_y)), 37841#(or (<= (select main_a main_x) 117) (= main_x main_y)), 37842#(or (not (= (select main_a main_x) 1000)) (= main_x main_y))] [2018-07-23 13:56:59,116 INFO L134 CoverageAnalysis]: Checked inductivity of 7021 backedges. 0 proven. 7021 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-07-23 13:56:59,117 INFO L450 AbstractCegarLoop]: Interpolant automaton has 121 states [2018-07-23 13:56:59,118 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 121 interpolants. [2018-07-23 13:56:59,118 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=7260, Invalid=7260, Unknown=0, NotChecked=0, Total=14520 [2018-07-23 13:56:59,119 INFO L87 Difference]: Start difference. First operand 122 states and 122 transitions. Second operand 121 states. [2018-07-23 13:56:59,285 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-07-23 13:56:59,285 INFO L93 Difference]: Finished difference Result 125 states and 125 transitions. [2018-07-23 13:56:59,285 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 121 states. [2018-07-23 13:56:59,285 INFO L78 Accepts]: Start accepts. Automaton has 121 states. Word has length 121 [2018-07-23 13:56:59,286 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-07-23 13:56:59,286 INFO L225 Difference]: With dead ends: 125 [2018-07-23 13:56:59,286 INFO L226 Difference]: Without dead ends: 123 [2018-07-23 13:56:59,287 INFO L575 BasicCegarLoop]: 0 DeclaredPredicates, 120 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 119 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.8s TimeCoverageRelationStatistics Valid=7260, Invalid=7260, Unknown=0, NotChecked=0, Total=14520 [2018-07-23 13:56:59,287 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 123 states. [2018-07-23 13:56:59,295 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 123 to 123. [2018-07-23 13:56:59,295 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 123 states. [2018-07-23 13:56:59,295 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 123 states to 123 states and 123 transitions. [2018-07-23 13:56:59,295 INFO L78 Accepts]: Start accepts. Automaton has 123 states and 123 transitions. Word has length 121 [2018-07-23 13:56:59,295 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-07-23 13:56:59,295 INFO L471 AbstractCegarLoop]: Abstraction has 123 states and 123 transitions. [2018-07-23 13:56:59,296 INFO L472 AbstractCegarLoop]: Interpolant automaton has 121 states. [2018-07-23 13:56:59,296 INFO L276 IsEmpty]: Start isEmpty. Operand 123 states and 123 transitions. [2018-07-23 13:56:59,296 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 123 [2018-07-23 13:56:59,296 INFO L349 BasicCegarLoop]: Found error trace [2018-07-23 13:56:59,296 INFO L357 BasicCegarLoop]: trace histogram [119, 1, 1, 1] [2018-07-23 13:56:59,296 INFO L414 AbstractCegarLoop]: === Iteration 120 === [mainErr0AssertViolationASSERT]=== [2018-07-23 13:56:59,296 INFO L82 PathProgramCache]: Analyzing trace with hash -1137432762, now seen corresponding path program 119 times [2018-07-23 13:56:59,296 INFO L69 tionRefinementEngine]: Using refinement strategy FixedRefinementStrategy [2018-07-23 13:56:59,412 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-07-23 13:57:00,337 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 13:57:00,337 INFO L309 seRefinementStrategy]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2018-07-23 13:57:00,337 INFO L324 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [121] total 121 [2018-07-23 13:57:00,338 INFO L142 lantAutomatonBuilder]: Constructing canonical interpolant automaton, with selfloop in false state [2018-07-23 13:57:00,338 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-07-23 13:57:00,338 INFO L185 omatonBuilderFactory]: Interpolants [38400#(or (= main_x main_y) (<= (select main_a main_x) 59)), 38401#(or (= main_x main_y) (<= (select main_a main_x) 60)), 38402#(or (= main_x main_y) (<= (select main_a main_x) 61)), 38403#(or (<= (select main_a main_x) 62) (= main_x main_y)), 38404#(or (<= (select main_a main_x) 63) (= main_x main_y)), 38405#(or (= main_x main_y) (<= (select main_a main_x) 64)), 38406#(or (<= (select main_a main_x) 65) (= main_x main_y)), 38407#(or (= main_x main_y) (<= (select main_a main_x) 66)), 38408#(or (<= (select main_a main_x) 67) (= main_x main_y)), 38409#(or (= main_x main_y) (<= (select main_a main_x) 68)), 38410#(or (= main_x main_y) (<= (select main_a main_x) 69)), 38411#(or (<= (select main_a main_x) 70) (= main_x main_y)), 38412#(or (<= (select main_a main_x) 71) (= main_x main_y)), 38413#(or (= main_x main_y) (<= (select main_a main_x) 72)), 38414#(or (<= (select main_a main_x) 73) (= main_x main_y)), 38415#(or (= main_x main_y) (<= (select main_a main_x) 74)), 38416#(or (= main_x main_y) (<= (select main_a main_x) 75)), 38417#(or (<= (select main_a main_x) 76) (= main_x main_y)), 38418#(or (<= (select main_a main_x) 77) (= main_x main_y)), 38419#(or (<= (select main_a main_x) 78) (= main_x main_y)), 38420#(or (<= (select main_a main_x) 79) (= main_x main_y)), 38421#(or (<= (select main_a main_x) 80) (= main_x main_y)), 38422#(or (<= (select main_a main_x) 81) (= main_x main_y)), 38423#(or (<= (select main_a main_x) 82) (= main_x main_y)), 38424#(or (= main_x main_y) (<= (select main_a main_x) 83)), 38425#(or (<= (select main_a main_x) 84) (= main_x main_y)), 38426#(or (<= (select main_a main_x) 85) (= main_x main_y)), 38427#(or (<= (select main_a main_x) 86) (= main_x main_y)), 38428#(or (<= (select main_a main_x) 87) (= main_x main_y)), 38429#(or (<= (select main_a main_x) 88) (= main_x main_y)), 38430#(or (<= (select main_a main_x) 89) (= main_x main_y)), 38431#(or (<= (select main_a main_x) 90) (= main_x main_y)), 38432#(or (= main_x main_y) (<= (select main_a main_x) 91)), 38433#(or (<= (select main_a main_x) 92) (= main_x main_y)), 38434#(or (<= (select main_a main_x) 93) (= main_x main_y)), 38435#(or (= main_x main_y) (<= (select main_a main_x) 94)), 38436#(or (<= (select main_a main_x) 95) (= main_x main_y)), 38437#(or (<= (select main_a main_x) 96) (= main_x main_y)), 38438#(or (= main_x main_y) (<= (select main_a main_x) 97)), 38439#(or (<= (select main_a main_x) 98) (= main_x main_y)), 38440#(or (<= (select main_a main_x) 99) (= main_x main_y)), 38441#(or (<= (select main_a main_x) 100) (= main_x main_y)), 38442#(or (<= (select main_a main_x) 101) (= main_x main_y)), 38443#(or (= main_x main_y) (<= (select main_a main_x) 102)), 38444#(or (<= (select main_a main_x) 103) (= main_x main_y)), 38445#(or (<= (select main_a main_x) 104) (= main_x main_y)), 38446#(or (= main_x main_y) (<= (select main_a main_x) 105)), 38447#(or (= main_x main_y) (<= (select main_a main_x) 106)), 38448#(or (<= (select main_a main_x) 107) (= main_x main_y)), 38449#(or (<= (select main_a main_x) 108) (= main_x main_y)), 38450#(or (= main_x main_y) (<= (select main_a main_x) 109)), 38451#(or (= main_x main_y) (<= (select main_a main_x) 110)), 38452#(or (<= (select main_a main_x) 111) (= main_x main_y)), 38453#(or (<= (select main_a main_x) 112) (= main_x main_y)), 38454#(or (<= (select main_a main_x) 113) (= main_x main_y)), 38455#(or (= main_x main_y) (<= (select main_a main_x) 114)), 38456#(or (= main_x main_y) (<= (select main_a main_x) 115)), 38457#(or (<= (select main_a main_x) 116) (= main_x main_y)), 38458#(or (<= (select main_a main_x) 117) (= main_x main_y)), 38459#(or (= main_x main_y) (<= (select main_a main_x) 118)), 38460#(or (not (= (select main_a main_x) 1000)) (= main_x main_y)), 38339#true, 38340#false, 38341#(or (= 0 (select main_a main_x)) (= main_x main_y)), 38342#(or (<= (select main_a main_x) 1) (= main_x main_y)), 38343#(or (= main_x main_y) (<= (select main_a main_x) 2)), 38344#(or (= main_x main_y) (<= (select main_a main_x) 3)), 38345#(or (<= (select main_a main_x) 4) (= main_x main_y)), 38346#(or (<= (select main_a main_x) 5) (= main_x main_y)), 38347#(or (<= (select main_a main_x) 6) (= main_x main_y)), 38348#(or (<= (select main_a main_x) 7) (= main_x main_y)), 38349#(or (<= (select main_a main_x) 8) (= main_x main_y)), 38350#(or (= main_x main_y) (<= (select main_a main_x) 9)), 38351#(or (= main_x main_y) (<= (select main_a main_x) 10)), 38352#(or (= main_x main_y) (<= (select main_a main_x) 11)), 38353#(or (<= (select main_a main_x) 12) (= main_x main_y)), 38354#(or (= main_x main_y) (<= (select main_a main_x) 13)), 38355#(or (<= (select main_a main_x) 14) (= main_x main_y)), 38356#(or (<= (select main_a main_x) 15) (= main_x main_y)), 38357#(or (<= (select main_a main_x) 16) (= main_x main_y)), 38358#(or (= main_x main_y) (<= (select main_a main_x) 17)), 38359#(or (<= (select main_a main_x) 18) (= main_x main_y)), 38360#(or (<= (select main_a main_x) 19) (= main_x main_y)), 38361#(or (= main_x main_y) (<= (select main_a main_x) 20)), 38362#(or (<= (select main_a main_x) 21) (= main_x main_y)), 38363#(or (= main_x main_y) (<= (select main_a main_x) 22)), 38364#(or (= main_x main_y) (<= (select main_a main_x) 23)), 38365#(or (<= (select main_a main_x) 24) (= main_x main_y)), 38366#(or (= main_x main_y) (<= (select main_a main_x) 25)), 38367#(or (<= (select main_a main_x) 26) (= main_x main_y)), 38368#(or (<= (select main_a main_x) 27) (= main_x main_y)), 38369#(or (<= (select main_a main_x) 28) (= main_x main_y)), 38370#(or (<= (select main_a main_x) 29) (= main_x main_y)), 38371#(or (= main_x main_y) (<= (select main_a main_x) 30)), 38372#(or (<= (select main_a main_x) 31) (= main_x main_y)), 38373#(or (<= (select main_a main_x) 32) (= main_x main_y)), 38374#(or (<= (select main_a main_x) 33) (= main_x main_y)), 38375#(or (<= (select main_a main_x) 34) (= main_x main_y)), 38376#(or (<= (select main_a main_x) 35) (= main_x main_y)), 38377#(or (<= (select main_a main_x) 36) (= main_x main_y)), 38378#(or (<= (select main_a main_x) 37) (= main_x main_y)), 38379#(or (<= (select main_a main_x) 38) (= main_x main_y)), 38380#(or (<= (select main_a main_x) 39) (= main_x main_y)), 38381#(or (<= (select main_a main_x) 40) (= main_x main_y)), 38382#(or (<= (select main_a main_x) 41) (= main_x main_y)), 38383#(or (<= (select main_a main_x) 42) (= main_x main_y)), 38384#(or (= main_x main_y) (<= (select main_a main_x) 43)), 38385#(or (= main_x main_y) (<= (select main_a main_x) 44)), 38386#(or (= main_x main_y) (<= (select main_a main_x) 45)), 38387#(or (<= (select main_a main_x) 46) (= main_x main_y)), 38388#(or (<= (select main_a main_x) 47) (= main_x main_y)), 38389#(or (<= (select main_a main_x) 48) (= main_x main_y)), 38390#(or (<= (select main_a main_x) 49) (= main_x main_y)), 38391#(or (<= (select main_a main_x) 50) (= main_x main_y)), 38392#(or (<= (select main_a main_x) 51) (= main_x main_y)), 38393#(or (= main_x main_y) (<= (select main_a main_x) 52)), 38394#(or (<= (select main_a main_x) 53) (= main_x main_y)), 38395#(or (<= (select main_a main_x) 54) (= main_x main_y)), 38396#(or (<= (select main_a main_x) 55) (= main_x main_y)), 38397#(or (= main_x main_y) (<= (select main_a main_x) 56)), 38398#(or (<= (select main_a main_x) 57) (= main_x main_y)), 38399#(or (<= (select main_a main_x) 58) (= main_x main_y))] [2018-07-23 13:57:00,338 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 13:57:00,339 INFO L450 AbstractCegarLoop]: Interpolant automaton has 122 states [2018-07-23 13:57:00,340 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 122 interpolants. [2018-07-23 13:57:00,340 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=7381, Invalid=7381, Unknown=0, NotChecked=0, Total=14762 [2018-07-23 13:57:00,341 INFO L87 Difference]: Start difference. First operand 123 states and 123 transitions. Second operand 122 states. [2018-07-23 13:57:00,440 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-07-23 13:57:00,440 INFO L93 Difference]: Finished difference Result 126 states and 126 transitions. [2018-07-23 13:57:00,441 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 122 states. [2018-07-23 13:57:00,441 INFO L78 Accepts]: Start accepts. Automaton has 122 states. Word has length 122 [2018-07-23 13:57:00,441 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-07-23 13:57:00,441 INFO L225 Difference]: With dead ends: 126 [2018-07-23 13:57:00,441 INFO L226 Difference]: Without dead ends: 124 [2018-07-23 13:57:00,442 INFO L575 BasicCegarLoop]: 0 DeclaredPredicates, 121 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 120 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.8s TimeCoverageRelationStatistics Valid=7381, Invalid=7381, Unknown=0, NotChecked=0, Total=14762 [2018-07-23 13:57:00,442 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 124 states. [2018-07-23 13:57:00,452 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 124 to 124. [2018-07-23 13:57:00,452 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 124 states. [2018-07-23 13:57:00,452 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 124 states to 124 states and 124 transitions. [2018-07-23 13:57:00,453 INFO L78 Accepts]: Start accepts. Automaton has 124 states and 124 transitions. Word has length 122 [2018-07-23 13:57:00,453 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-07-23 13:57:00,453 INFO L471 AbstractCegarLoop]: Abstraction has 124 states and 124 transitions. [2018-07-23 13:57:00,453 INFO L472 AbstractCegarLoop]: Interpolant automaton has 122 states. [2018-07-23 13:57:00,453 INFO L276 IsEmpty]: Start isEmpty. Operand 124 states and 124 transitions. [2018-07-23 13:57:00,453 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 124 [2018-07-23 13:57:00,454 INFO L349 BasicCegarLoop]: Found error trace [2018-07-23 13:57:00,454 INFO L357 BasicCegarLoop]: trace histogram [120, 1, 1, 1] [2018-07-23 13:57:00,454 INFO L414 AbstractCegarLoop]: === Iteration 121 === [mainErr0AssertViolationASSERT]=== [2018-07-23 13:57:00,454 INFO L82 PathProgramCache]: Analyzing trace with hash -900681120, now seen corresponding path program 120 times [2018-07-23 13:57:00,454 INFO L69 tionRefinementEngine]: Using refinement strategy FixedRefinementStrategy [2018-07-23 13:57:00,582 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-07-23 13:57:01,471 INFO L134 CoverageAnalysis]: Checked inductivity of 7260 backedges. 0 proven. 7260 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-07-23 13:57:01,471 INFO L309 seRefinementStrategy]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2018-07-23 13:57:01,471 INFO L324 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [122] total 122 [2018-07-23 13:57:01,471 INFO L142 lantAutomatonBuilder]: Constructing canonical interpolant automaton, with selfloop in false state [2018-07-23 13:57:01,472 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-07-23 13:57:01,472 INFO L185 omatonBuilderFactory]: Interpolants [38961#true, 38962#false, 38963#(or (= 0 (select main_a main_x)) (= main_x main_y)), 38964#(or (<= (select main_a main_x) 1) (= main_x main_y)), 38965#(or (= main_x main_y) (<= (select main_a main_x) 2)), 38966#(or (= main_x main_y) (<= (select main_a main_x) 3)), 38967#(or (<= (select main_a main_x) 4) (= main_x main_y)), 38968#(or (<= (select main_a main_x) 5) (= main_x main_y)), 38969#(or (<= (select main_a main_x) 6) (= main_x main_y)), 38970#(or (<= (select main_a main_x) 7) (= main_x main_y)), 38971#(or (<= (select main_a main_x) 8) (= main_x main_y)), 38972#(or (= main_x main_y) (<= (select main_a main_x) 9)), 38973#(or (= main_x main_y) (<= (select main_a main_x) 10)), 38974#(or (= main_x main_y) (<= (select main_a main_x) 11)), 38975#(or (<= (select main_a main_x) 12) (= main_x main_y)), 38976#(or (= main_x main_y) (<= (select main_a main_x) 13)), 38977#(or (<= (select main_a main_x) 14) (= main_x main_y)), 38978#(or (<= (select main_a main_x) 15) (= main_x main_y)), 38979#(or (<= (select main_a main_x) 16) (= main_x main_y)), 38980#(or (= main_x main_y) (<= (select main_a main_x) 17)), 38981#(or (<= (select main_a main_x) 18) (= main_x main_y)), 38982#(or (<= (select main_a main_x) 19) (= main_x main_y)), 38983#(or (= main_x main_y) (<= (select main_a main_x) 20)), 38984#(or (<= (select main_a main_x) 21) (= main_x main_y)), 38985#(or (= main_x main_y) (<= (select main_a main_x) 22)), 38986#(or (= main_x main_y) (<= (select main_a main_x) 23)), 38987#(or (<= (select main_a main_x) 24) (= main_x main_y)), 38988#(or (= main_x main_y) (<= (select main_a main_x) 25)), 38989#(or (<= (select main_a main_x) 26) (= main_x main_y)), 38990#(or (<= (select main_a main_x) 27) (= main_x main_y)), 38991#(or (<= (select main_a main_x) 28) (= main_x main_y)), 38992#(or (<= (select main_a main_x) 29) (= main_x main_y)), 38993#(or (= main_x main_y) (<= (select main_a main_x) 30)), 38994#(or (<= (select main_a main_x) 31) (= main_x main_y)), 38995#(or (<= (select main_a main_x) 32) (= main_x main_y)), 38996#(or (<= (select main_a main_x) 33) (= main_x main_y)), 38997#(or (<= (select main_a main_x) 34) (= main_x main_y)), 38998#(or (<= (select main_a main_x) 35) (= main_x main_y)), 38999#(or (<= (select main_a main_x) 36) (= main_x main_y)), 39000#(or (<= (select main_a main_x) 37) (= main_x main_y)), 39001#(or (<= (select main_a main_x) 38) (= main_x main_y)), 39002#(or (<= (select main_a main_x) 39) (= main_x main_y)), 39003#(or (<= (select main_a main_x) 40) (= main_x main_y)), 39004#(or (<= (select main_a main_x) 41) (= main_x main_y)), 39005#(or (<= (select main_a main_x) 42) (= main_x main_y)), 39006#(or (= main_x main_y) (<= (select main_a main_x) 43)), 39007#(or (= main_x main_y) (<= (select main_a main_x) 44)), 39008#(or (= main_x main_y) (<= (select main_a main_x) 45)), 39009#(or (<= (select main_a main_x) 46) (= main_x main_y)), 39010#(or (<= (select main_a main_x) 47) (= main_x main_y)), 39011#(or (<= (select main_a main_x) 48) (= main_x main_y)), 39012#(or (<= (select main_a main_x) 49) (= main_x main_y)), 39013#(or (<= (select main_a main_x) 50) (= main_x main_y)), 39014#(or (<= (select main_a main_x) 51) (= main_x main_y)), 39015#(or (= main_x main_y) (<= (select main_a main_x) 52)), 39016#(or (<= (select main_a main_x) 53) (= main_x main_y)), 39017#(or (<= (select main_a main_x) 54) (= main_x main_y)), 39018#(or (<= (select main_a main_x) 55) (= main_x main_y)), 39019#(or (= main_x main_y) (<= (select main_a main_x) 56)), 39020#(or (<= (select main_a main_x) 57) (= main_x main_y)), 39021#(or (<= (select main_a main_x) 58) (= main_x main_y)), 39022#(or (= main_x main_y) (<= (select main_a main_x) 59)), 39023#(or (= main_x main_y) (<= (select main_a main_x) 60)), 39024#(or (= main_x main_y) (<= (select main_a main_x) 61)), 39025#(or (<= (select main_a main_x) 62) (= main_x main_y)), 39026#(or (<= (select main_a main_x) 63) (= main_x main_y)), 39027#(or (= main_x main_y) (<= (select main_a main_x) 64)), 39028#(or (<= (select main_a main_x) 65) (= main_x main_y)), 39029#(or (= main_x main_y) (<= (select main_a main_x) 66)), 39030#(or (<= (select main_a main_x) 67) (= main_x main_y)), 39031#(or (= main_x main_y) (<= (select main_a main_x) 68)), 39032#(or (= main_x main_y) (<= (select main_a main_x) 69)), 39033#(or (<= (select main_a main_x) 70) (= main_x main_y)), 39034#(or (<= (select main_a main_x) 71) (= main_x main_y)), 39035#(or (= main_x main_y) (<= (select main_a main_x) 72)), 39036#(or (<= (select main_a main_x) 73) (= main_x main_y)), 39037#(or (= main_x main_y) (<= (select main_a main_x) 74)), 39038#(or (= main_x main_y) (<= (select main_a main_x) 75)), 39039#(or (<= (select main_a main_x) 76) (= main_x main_y)), 39040#(or (<= (select main_a main_x) 77) (= main_x main_y)), 39041#(or (<= (select main_a main_x) 78) (= main_x main_y)), 39042#(or (<= (select main_a main_x) 79) (= main_x main_y)), 39043#(or (<= (select main_a main_x) 80) (= main_x main_y)), 39044#(or (<= (select main_a main_x) 81) (= main_x main_y)), 39045#(or (<= (select main_a main_x) 82) (= main_x main_y)), 39046#(or (= main_x main_y) (<= (select main_a main_x) 83)), 39047#(or (<= (select main_a main_x) 84) (= main_x main_y)), 39048#(or (<= (select main_a main_x) 85) (= main_x main_y)), 39049#(or (<= (select main_a main_x) 86) (= main_x main_y)), 39050#(or (<= (select main_a main_x) 87) (= main_x main_y)), 39051#(or (<= (select main_a main_x) 88) (= main_x main_y)), 39052#(or (<= (select main_a main_x) 89) (= main_x main_y)), 39053#(or (<= (select main_a main_x) 90) (= main_x main_y)), 39054#(or (= main_x main_y) (<= (select main_a main_x) 91)), 39055#(or (<= (select main_a main_x) 92) (= main_x main_y)), 39056#(or (<= (select main_a main_x) 93) (= main_x main_y)), 39057#(or (= main_x main_y) (<= (select main_a main_x) 94)), 39058#(or (<= (select main_a main_x) 95) (= main_x main_y)), 39059#(or (<= (select main_a main_x) 96) (= main_x main_y)), 39060#(or (= main_x main_y) (<= (select main_a main_x) 97)), 39061#(or (<= (select main_a main_x) 98) (= main_x main_y)), 39062#(or (<= (select main_a main_x) 99) (= main_x main_y)), 39063#(or (<= (select main_a main_x) 100) (= main_x main_y)), 39064#(or (<= (select main_a main_x) 101) (= main_x main_y)), 39065#(or (= main_x main_y) (<= (select main_a main_x) 102)), 39066#(or (<= (select main_a main_x) 103) (= main_x main_y)), 39067#(or (<= (select main_a main_x) 104) (= main_x main_y)), 39068#(or (= main_x main_y) (<= (select main_a main_x) 105)), 39069#(or (= main_x main_y) (<= (select main_a main_x) 106)), 39070#(or (<= (select main_a main_x) 107) (= main_x main_y)), 39071#(or (<= (select main_a main_x) 108) (= main_x main_y)), 39072#(or (= main_x main_y) (<= (select main_a main_x) 109)), 39073#(or (= main_x main_y) (<= (select main_a main_x) 110)), 39074#(or (<= (select main_a main_x) 111) (= main_x main_y)), 39075#(or (<= (select main_a main_x) 112) (= main_x main_y)), 39076#(or (<= (select main_a main_x) 113) (= main_x main_y)), 39077#(or (= main_x main_y) (<= (select main_a main_x) 114)), 39078#(or (= main_x main_y) (<= (select main_a main_x) 115)), 39079#(or (<= (select main_a main_x) 116) (= main_x main_y)), 39080#(or (<= (select main_a main_x) 117) (= main_x main_y)), 39081#(or (= main_x main_y) (<= (select main_a main_x) 118)), 39082#(or (= main_x main_y) (<= (select main_a main_x) 119)), 39083#(or (not (= (select main_a main_x) 1000)) (= main_x main_y))] [2018-07-23 13:57:01,472 INFO L134 CoverageAnalysis]: Checked inductivity of 7260 backedges. 0 proven. 7260 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-07-23 13:57:01,473 INFO L450 AbstractCegarLoop]: Interpolant automaton has 123 states [2018-07-23 13:57:01,474 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 123 interpolants. [2018-07-23 13:57:01,474 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=7503, Invalid=7503, Unknown=0, NotChecked=0, Total=15006 [2018-07-23 13:57:01,474 INFO L87 Difference]: Start difference. First operand 124 states and 124 transitions. Second operand 123 states. [2018-07-23 13:57:01,644 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-07-23 13:57:01,644 INFO L93 Difference]: Finished difference Result 127 states and 127 transitions. [2018-07-23 13:57:01,644 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 123 states. [2018-07-23 13:57:01,644 INFO L78 Accepts]: Start accepts. Automaton has 123 states. Word has length 123 [2018-07-23 13:57:01,644 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-07-23 13:57:01,645 INFO L225 Difference]: With dead ends: 127 [2018-07-23 13:57:01,645 INFO L226 Difference]: Without dead ends: 125 [2018-07-23 13:57:01,645 INFO L575 BasicCegarLoop]: 0 DeclaredPredicates, 122 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 121 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.7s TimeCoverageRelationStatistics Valid=7503, Invalid=7503, Unknown=0, NotChecked=0, Total=15006 [2018-07-23 13:57:01,646 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 125 states. [2018-07-23 13:57:01,654 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 125 to 125. [2018-07-23 13:57:01,654 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 125 states. [2018-07-23 13:57:01,654 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 125 states to 125 states and 125 transitions. [2018-07-23 13:57:01,654 INFO L78 Accepts]: Start accepts. Automaton has 125 states and 125 transitions. Word has length 123 [2018-07-23 13:57:01,654 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-07-23 13:57:01,654 INFO L471 AbstractCegarLoop]: Abstraction has 125 states and 125 transitions. [2018-07-23 13:57:01,655 INFO L472 AbstractCegarLoop]: Interpolant automaton has 123 states. [2018-07-23 13:57:01,655 INFO L276 IsEmpty]: Start isEmpty. Operand 125 states and 125 transitions. [2018-07-23 13:57:01,655 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 125 [2018-07-23 13:57:01,655 INFO L349 BasicCegarLoop]: Found error trace [2018-07-23 13:57:01,655 INFO L357 BasicCegarLoop]: trace histogram [121, 1, 1, 1] [2018-07-23 13:57:01,655 INFO L414 AbstractCegarLoop]: === Iteration 122 === [mainErr0AssertViolationASSERT]=== [2018-07-23 13:57:01,656 INFO L82 PathProgramCache]: Analyzing trace with hash 2143652486, now seen corresponding path program 121 times [2018-07-23 13:57:01,656 INFO L69 tionRefinementEngine]: Using refinement strategy FixedRefinementStrategy [2018-07-23 13:57:01,759 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-07-23 13:57:02,680 INFO L134 CoverageAnalysis]: Checked inductivity of 7381 backedges. 0 proven. 7381 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-07-23 13:57:02,680 INFO L309 seRefinementStrategy]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2018-07-23 13:57:02,680 INFO L324 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [123] total 123 [2018-07-23 13:57:02,681 INFO L142 lantAutomatonBuilder]: Constructing canonical interpolant automaton, with selfloop in false state [2018-07-23 13:57:02,681 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-07-23 13:57:02,681 INFO L185 omatonBuilderFactory]: Interpolants [39680#(or (<= (select main_a main_x) 90) (= main_x main_y)), 39681#(or (= main_x main_y) (<= (select main_a main_x) 91)), 39682#(or (<= (select main_a main_x) 92) (= main_x main_y)), 39683#(or (<= (select main_a main_x) 93) (= main_x main_y)), 39684#(or (= main_x main_y) (<= (select main_a main_x) 94)), 39685#(or (<= (select main_a main_x) 95) (= main_x main_y)), 39686#(or (<= (select main_a main_x) 96) (= main_x main_y)), 39687#(or (= main_x main_y) (<= (select main_a main_x) 97)), 39688#(or (<= (select main_a main_x) 98) (= main_x main_y)), 39689#(or (<= (select main_a main_x) 99) (= main_x main_y)), 39690#(or (<= (select main_a main_x) 100) (= main_x main_y)), 39691#(or (<= (select main_a main_x) 101) (= main_x main_y)), 39692#(or (= main_x main_y) (<= (select main_a main_x) 102)), 39693#(or (<= (select main_a main_x) 103) (= main_x main_y)), 39694#(or (<= (select main_a main_x) 104) (= main_x main_y)), 39695#(or (= main_x main_y) (<= (select main_a main_x) 105)), 39696#(or (= main_x main_y) (<= (select main_a main_x) 106)), 39697#(or (<= (select main_a main_x) 107) (= main_x main_y)), 39698#(or (<= (select main_a main_x) 108) (= main_x main_y)), 39699#(or (= main_x main_y) (<= (select main_a main_x) 109)), 39700#(or (= main_x main_y) (<= (select main_a main_x) 110)), 39701#(or (<= (select main_a main_x) 111) (= main_x main_y)), 39702#(or (<= (select main_a main_x) 112) (= main_x main_y)), 39703#(or (<= (select main_a main_x) 113) (= main_x main_y)), 39704#(or (= main_x main_y) (<= (select main_a main_x) 114)), 39705#(or (= main_x main_y) (<= (select main_a main_x) 115)), 39706#(or (<= (select main_a main_x) 116) (= main_x main_y)), 39707#(or (<= (select main_a main_x) 117) (= main_x main_y)), 39708#(or (= main_x main_y) (<= (select main_a main_x) 118)), 39709#(or (= main_x main_y) (<= (select main_a main_x) 119)), 39710#(or (<= (select main_a main_x) 120) (= main_x main_y)), 39711#(or (not (= (select main_a main_x) 1000)) (= main_x main_y)), 39588#true, 39589#false, 39590#(or (= 0 (select main_a main_x)) (= main_x main_y)), 39591#(or (<= (select main_a main_x) 1) (= main_x main_y)), 39592#(or (= main_x main_y) (<= (select main_a main_x) 2)), 39593#(or (= main_x main_y) (<= (select main_a main_x) 3)), 39594#(or (<= (select main_a main_x) 4) (= main_x main_y)), 39595#(or (<= (select main_a main_x) 5) (= main_x main_y)), 39596#(or (<= (select main_a main_x) 6) (= main_x main_y)), 39597#(or (<= (select main_a main_x) 7) (= main_x main_y)), 39598#(or (<= (select main_a main_x) 8) (= main_x main_y)), 39599#(or (= main_x main_y) (<= (select main_a main_x) 9)), 39600#(or (= main_x main_y) (<= (select main_a main_x) 10)), 39601#(or (= main_x main_y) (<= (select main_a main_x) 11)), 39602#(or (<= (select main_a main_x) 12) (= main_x main_y)), 39603#(or (= main_x main_y) (<= (select main_a main_x) 13)), 39604#(or (<= (select main_a main_x) 14) (= main_x main_y)), 39605#(or (<= (select main_a main_x) 15) (= main_x main_y)), 39606#(or (<= (select main_a main_x) 16) (= main_x main_y)), 39607#(or (= main_x main_y) (<= (select main_a main_x) 17)), 39608#(or (<= (select main_a main_x) 18) (= main_x main_y)), 39609#(or (<= (select main_a main_x) 19) (= main_x main_y)), 39610#(or (= main_x main_y) (<= (select main_a main_x) 20)), 39611#(or (<= (select main_a main_x) 21) (= main_x main_y)), 39612#(or (= main_x main_y) (<= (select main_a main_x) 22)), 39613#(or (= main_x main_y) (<= (select main_a main_x) 23)), 39614#(or (<= (select main_a main_x) 24) (= main_x main_y)), 39615#(or (= main_x main_y) (<= (select main_a main_x) 25)), 39616#(or (<= (select main_a main_x) 26) (= main_x main_y)), 39617#(or (<= (select main_a main_x) 27) (= main_x main_y)), 39618#(or (<= (select main_a main_x) 28) (= main_x main_y)), 39619#(or (<= (select main_a main_x) 29) (= main_x main_y)), 39620#(or (= main_x main_y) (<= (select main_a main_x) 30)), 39621#(or (<= (select main_a main_x) 31) (= main_x main_y)), 39622#(or (<= (select main_a main_x) 32) (= main_x main_y)), 39623#(or (<= (select main_a main_x) 33) (= main_x main_y)), 39624#(or (<= (select main_a main_x) 34) (= main_x main_y)), 39625#(or (<= (select main_a main_x) 35) (= main_x main_y)), 39626#(or (<= (select main_a main_x) 36) (= main_x main_y)), 39627#(or (<= (select main_a main_x) 37) (= main_x main_y)), 39628#(or (<= (select main_a main_x) 38) (= main_x main_y)), 39629#(or (<= (select main_a main_x) 39) (= main_x main_y)), 39630#(or (<= (select main_a main_x) 40) (= main_x main_y)), 39631#(or (<= (select main_a main_x) 41) (= main_x main_y)), 39632#(or (<= (select main_a main_x) 42) (= main_x main_y)), 39633#(or (= main_x main_y) (<= (select main_a main_x) 43)), 39634#(or (= main_x main_y) (<= (select main_a main_x) 44)), 39635#(or (= main_x main_y) (<= (select main_a main_x) 45)), 39636#(or (<= (select main_a main_x) 46) (= main_x main_y)), 39637#(or (<= (select main_a main_x) 47) (= main_x main_y)), 39638#(or (<= (select main_a main_x) 48) (= main_x main_y)), 39639#(or (<= (select main_a main_x) 49) (= main_x main_y)), 39640#(or (<= (select main_a main_x) 50) (= main_x main_y)), 39641#(or (<= (select main_a main_x) 51) (= main_x main_y)), 39642#(or (= main_x main_y) (<= (select main_a main_x) 52)), 39643#(or (<= (select main_a main_x) 53) (= main_x main_y)), 39644#(or (<= (select main_a main_x) 54) (= main_x main_y)), 39645#(or (<= (select main_a main_x) 55) (= main_x main_y)), 39646#(or (= main_x main_y) (<= (select main_a main_x) 56)), 39647#(or (<= (select main_a main_x) 57) (= main_x main_y)), 39648#(or (<= (select main_a main_x) 58) (= main_x main_y)), 39649#(or (= main_x main_y) (<= (select main_a main_x) 59)), 39650#(or (= main_x main_y) (<= (select main_a main_x) 60)), 39651#(or (= main_x main_y) (<= (select main_a main_x) 61)), 39652#(or (<= (select main_a main_x) 62) (= main_x main_y)), 39653#(or (<= (select main_a main_x) 63) (= main_x main_y)), 39654#(or (= main_x main_y) (<= (select main_a main_x) 64)), 39655#(or (<= (select main_a main_x) 65) (= main_x main_y)), 39656#(or (= main_x main_y) (<= (select main_a main_x) 66)), 39657#(or (<= (select main_a main_x) 67) (= main_x main_y)), 39658#(or (= main_x main_y) (<= (select main_a main_x) 68)), 39659#(or (= main_x main_y) (<= (select main_a main_x) 69)), 39660#(or (<= (select main_a main_x) 70) (= main_x main_y)), 39661#(or (<= (select main_a main_x) 71) (= main_x main_y)), 39662#(or (= main_x main_y) (<= (select main_a main_x) 72)), 39663#(or (<= (select main_a main_x) 73) (= main_x main_y)), 39664#(or (= main_x main_y) (<= (select main_a main_x) 74)), 39665#(or (= main_x main_y) (<= (select main_a main_x) 75)), 39666#(or (<= (select main_a main_x) 76) (= main_x main_y)), 39667#(or (<= (select main_a main_x) 77) (= main_x main_y)), 39668#(or (<= (select main_a main_x) 78) (= main_x main_y)), 39669#(or (<= (select main_a main_x) 79) (= main_x main_y)), 39670#(or (<= (select main_a main_x) 80) (= main_x main_y)), 39671#(or (<= (select main_a main_x) 81) (= main_x main_y)), 39672#(or (<= (select main_a main_x) 82) (= main_x main_y)), 39673#(or (= main_x main_y) (<= (select main_a main_x) 83)), 39674#(or (<= (select main_a main_x) 84) (= main_x main_y)), 39675#(or (<= (select main_a main_x) 85) (= main_x main_y)), 39676#(or (<= (select main_a main_x) 86) (= main_x main_y)), 39677#(or (<= (select main_a main_x) 87) (= main_x main_y)), 39678#(or (<= (select main_a main_x) 88) (= main_x main_y)), 39679#(or (<= (select main_a main_x) 89) (= main_x main_y))] [2018-07-23 13:57:02,682 INFO L134 CoverageAnalysis]: Checked inductivity of 7381 backedges. 0 proven. 7381 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-07-23 13:57:02,682 INFO L450 AbstractCegarLoop]: Interpolant automaton has 124 states [2018-07-23 13:57:02,683 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 124 interpolants. [2018-07-23 13:57:02,683 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=7626, Invalid=7626, Unknown=0, NotChecked=0, Total=15252 [2018-07-23 13:57:02,684 INFO L87 Difference]: Start difference. First operand 125 states and 125 transitions. Second operand 124 states. [2018-07-23 13:57:02,791 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-07-23 13:57:02,791 INFO L93 Difference]: Finished difference Result 128 states and 128 transitions. [2018-07-23 13:57:02,791 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 124 states. [2018-07-23 13:57:02,791 INFO L78 Accepts]: Start accepts. Automaton has 124 states. Word has length 124 [2018-07-23 13:57:02,791 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-07-23 13:57:02,792 INFO L225 Difference]: With dead ends: 128 [2018-07-23 13:57:02,792 INFO L226 Difference]: Without dead ends: 126 [2018-07-23 13:57:02,793 INFO L575 BasicCegarLoop]: 0 DeclaredPredicates, 123 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 122 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.8s TimeCoverageRelationStatistics Valid=7626, Invalid=7626, Unknown=0, NotChecked=0, Total=15252 [2018-07-23 13:57:02,793 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 126 states. [2018-07-23 13:57:02,801 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 126 to 126. [2018-07-23 13:57:02,802 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 126 states. [2018-07-23 13:57:02,802 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 126 states to 126 states and 126 transitions. [2018-07-23 13:57:02,802 INFO L78 Accepts]: Start accepts. Automaton has 126 states and 126 transitions. Word has length 124 [2018-07-23 13:57:02,802 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-07-23 13:57:02,802 INFO L471 AbstractCegarLoop]: Abstraction has 126 states and 126 transitions. [2018-07-23 13:57:02,802 INFO L472 AbstractCegarLoop]: Interpolant automaton has 124 states. [2018-07-23 13:57:02,802 INFO L276 IsEmpty]: Start isEmpty. Operand 126 states and 126 transitions. [2018-07-23 13:57:02,803 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 126 [2018-07-23 13:57:02,803 INFO L349 BasicCegarLoop]: Found error trace [2018-07-23 13:57:02,803 INFO L357 BasicCegarLoop]: trace histogram [122, 1, 1, 1] [2018-07-23 13:57:02,803 INFO L414 AbstractCegarLoop]: === Iteration 123 === [mainErr0AssertViolationASSERT]=== [2018-07-23 13:57:02,803 INFO L82 PathProgramCache]: Analyzing trace with hash 2028713760, now seen corresponding path program 122 times [2018-07-23 13:57:02,803 INFO L69 tionRefinementEngine]: Using refinement strategy FixedRefinementStrategy [2018-07-23 13:57:02,962 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-07-23 13:57:03,824 INFO L134 CoverageAnalysis]: Checked inductivity of 7503 backedges. 0 proven. 7503 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-07-23 13:57:03,824 INFO L309 seRefinementStrategy]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2018-07-23 13:57:03,824 INFO L324 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [124] total 124 [2018-07-23 13:57:03,824 INFO L142 lantAutomatonBuilder]: Constructing canonical interpolant automaton, with selfloop in false state [2018-07-23 13:57:03,824 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-07-23 13:57:03,825 INFO L185 omatonBuilderFactory]: Interpolants [40220#true, 40221#false, 40222#(or (= 0 (select main_a main_x)) (= main_x main_y)), 40223#(or (<= (select main_a main_x) 1) (= main_x main_y)), 40224#(or (= main_x main_y) (<= (select main_a main_x) 2)), 40225#(or (= main_x main_y) (<= (select main_a main_x) 3)), 40226#(or (<= (select main_a main_x) 4) (= main_x main_y)), 40227#(or (<= (select main_a main_x) 5) (= main_x main_y)), 40228#(or (<= (select main_a main_x) 6) (= main_x main_y)), 40229#(or (<= (select main_a main_x) 7) (= main_x main_y)), 40230#(or (<= (select main_a main_x) 8) (= main_x main_y)), 40231#(or (= main_x main_y) (<= (select main_a main_x) 9)), 40232#(or (= main_x main_y) (<= (select main_a main_x) 10)), 40233#(or (= main_x main_y) (<= (select main_a main_x) 11)), 40234#(or (<= (select main_a main_x) 12) (= main_x main_y)), 40235#(or (= main_x main_y) (<= (select main_a main_x) 13)), 40236#(or (<= (select main_a main_x) 14) (= main_x main_y)), 40237#(or (<= (select main_a main_x) 15) (= main_x main_y)), 40238#(or (<= (select main_a main_x) 16) (= main_x main_y)), 40239#(or (= main_x main_y) (<= (select main_a main_x) 17)), 40240#(or (<= (select main_a main_x) 18) (= main_x main_y)), 40241#(or (<= (select main_a main_x) 19) (= main_x main_y)), 40242#(or (= main_x main_y) (<= (select main_a main_x) 20)), 40243#(or (<= (select main_a main_x) 21) (= main_x main_y)), 40244#(or (= main_x main_y) (<= (select main_a main_x) 22)), 40245#(or (= main_x main_y) (<= (select main_a main_x) 23)), 40246#(or (<= (select main_a main_x) 24) (= main_x main_y)), 40247#(or (= main_x main_y) (<= (select main_a main_x) 25)), 40248#(or (<= (select main_a main_x) 26) (= main_x main_y)), 40249#(or (<= (select main_a main_x) 27) (= main_x main_y)), 40250#(or (<= (select main_a main_x) 28) (= main_x main_y)), 40251#(or (<= (select main_a main_x) 29) (= main_x main_y)), 40252#(or (= main_x main_y) (<= (select main_a main_x) 30)), 40253#(or (<= (select main_a main_x) 31) (= main_x main_y)), 40254#(or (<= (select main_a main_x) 32) (= main_x main_y)), 40255#(or (<= (select main_a main_x) 33) (= main_x main_y)), 40256#(or (<= (select main_a main_x) 34) (= main_x main_y)), 40257#(or (<= (select main_a main_x) 35) (= main_x main_y)), 40258#(or (<= (select main_a main_x) 36) (= main_x main_y)), 40259#(or (<= (select main_a main_x) 37) (= main_x main_y)), 40260#(or (<= (select main_a main_x) 38) (= main_x main_y)), 40261#(or (<= (select main_a main_x) 39) (= main_x main_y)), 40262#(or (<= (select main_a main_x) 40) (= main_x main_y)), 40263#(or (<= (select main_a main_x) 41) (= main_x main_y)), 40264#(or (<= (select main_a main_x) 42) (= main_x main_y)), 40265#(or (= main_x main_y) (<= (select main_a main_x) 43)), 40266#(or (= main_x main_y) (<= (select main_a main_x) 44)), 40267#(or (= main_x main_y) (<= (select main_a main_x) 45)), 40268#(or (<= (select main_a main_x) 46) (= main_x main_y)), 40269#(or (<= (select main_a main_x) 47) (= main_x main_y)), 40270#(or (<= (select main_a main_x) 48) (= main_x main_y)), 40271#(or (<= (select main_a main_x) 49) (= main_x main_y)), 40272#(or (<= (select main_a main_x) 50) (= main_x main_y)), 40273#(or (<= (select main_a main_x) 51) (= main_x main_y)), 40274#(or (= main_x main_y) (<= (select main_a main_x) 52)), 40275#(or (<= (select main_a main_x) 53) (= main_x main_y)), 40276#(or (<= (select main_a main_x) 54) (= main_x main_y)), 40277#(or (<= (select main_a main_x) 55) (= main_x main_y)), 40278#(or (= main_x main_y) (<= (select main_a main_x) 56)), 40279#(or (<= (select main_a main_x) 57) (= main_x main_y)), 40280#(or (<= (select main_a main_x) 58) (= main_x main_y)), 40281#(or (= main_x main_y) (<= (select main_a main_x) 59)), 40282#(or (= main_x main_y) (<= (select main_a main_x) 60)), 40283#(or (= main_x main_y) (<= (select main_a main_x) 61)), 40284#(or (<= (select main_a main_x) 62) (= main_x main_y)), 40285#(or (<= (select main_a main_x) 63) (= main_x main_y)), 40286#(or (= main_x main_y) (<= (select main_a main_x) 64)), 40287#(or (<= (select main_a main_x) 65) (= main_x main_y)), 40288#(or (= main_x main_y) (<= (select main_a main_x) 66)), 40289#(or (<= (select main_a main_x) 67) (= main_x main_y)), 40290#(or (= main_x main_y) (<= (select main_a main_x) 68)), 40291#(or (= main_x main_y) (<= (select main_a main_x) 69)), 40292#(or (<= (select main_a main_x) 70) (= main_x main_y)), 40293#(or (<= (select main_a main_x) 71) (= main_x main_y)), 40294#(or (= main_x main_y) (<= (select main_a main_x) 72)), 40295#(or (<= (select main_a main_x) 73) (= main_x main_y)), 40296#(or (= main_x main_y) (<= (select main_a main_x) 74)), 40297#(or (= main_x main_y) (<= (select main_a main_x) 75)), 40298#(or (<= (select main_a main_x) 76) (= main_x main_y)), 40299#(or (<= (select main_a main_x) 77) (= main_x main_y)), 40300#(or (<= (select main_a main_x) 78) (= main_x main_y)), 40301#(or (<= (select main_a main_x) 79) (= main_x main_y)), 40302#(or (<= (select main_a main_x) 80) (= main_x main_y)), 40303#(or (<= (select main_a main_x) 81) (= main_x main_y)), 40304#(or (<= (select main_a main_x) 82) (= main_x main_y)), 40305#(or (= main_x main_y) (<= (select main_a main_x) 83)), 40306#(or (<= (select main_a main_x) 84) (= main_x main_y)), 40307#(or (<= (select main_a main_x) 85) (= main_x main_y)), 40308#(or (<= (select main_a main_x) 86) (= main_x main_y)), 40309#(or (<= (select main_a main_x) 87) (= main_x main_y)), 40310#(or (<= (select main_a main_x) 88) (= main_x main_y)), 40311#(or (<= (select main_a main_x) 89) (= main_x main_y)), 40312#(or (<= (select main_a main_x) 90) (= main_x main_y)), 40313#(or (= main_x main_y) (<= (select main_a main_x) 91)), 40314#(or (<= (select main_a main_x) 92) (= main_x main_y)), 40315#(or (<= (select main_a main_x) 93) (= main_x main_y)), 40316#(or (= main_x main_y) (<= (select main_a main_x) 94)), 40317#(or (<= (select main_a main_x) 95) (= main_x main_y)), 40318#(or (<= (select main_a main_x) 96) (= main_x main_y)), 40319#(or (= main_x main_y) (<= (select main_a main_x) 97)), 40320#(or (<= (select main_a main_x) 98) (= main_x main_y)), 40321#(or (<= (select main_a main_x) 99) (= main_x main_y)), 40322#(or (<= (select main_a main_x) 100) (= main_x main_y)), 40323#(or (<= (select main_a main_x) 101) (= main_x main_y)), 40324#(or (= main_x main_y) (<= (select main_a main_x) 102)), 40325#(or (<= (select main_a main_x) 103) (= main_x main_y)), 40326#(or (<= (select main_a main_x) 104) (= main_x main_y)), 40327#(or (= main_x main_y) (<= (select main_a main_x) 105)), 40328#(or (= main_x main_y) (<= (select main_a main_x) 106)), 40329#(or (<= (select main_a main_x) 107) (= main_x main_y)), 40330#(or (<= (select main_a main_x) 108) (= main_x main_y)), 40331#(or (= main_x main_y) (<= (select main_a main_x) 109)), 40332#(or (= main_x main_y) (<= (select main_a main_x) 110)), 40333#(or (<= (select main_a main_x) 111) (= main_x main_y)), 40334#(or (<= (select main_a main_x) 112) (= main_x main_y)), 40335#(or (<= (select main_a main_x) 113) (= main_x main_y)), 40336#(or (= main_x main_y) (<= (select main_a main_x) 114)), 40337#(or (= main_x main_y) (<= (select main_a main_x) 115)), 40338#(or (<= (select main_a main_x) 116) (= main_x main_y)), 40339#(or (<= (select main_a main_x) 117) (= main_x main_y)), 40340#(or (= main_x main_y) (<= (select main_a main_x) 118)), 40341#(or (= main_x main_y) (<= (select main_a main_x) 119)), 40342#(or (<= (select main_a main_x) 120) (= main_x main_y)), 40343#(or (= main_x main_y) (<= (select main_a main_x) 121)), 40344#(or (not (= (select main_a main_x) 1000)) (= main_x main_y))] [2018-07-23 13:57:03,825 INFO L134 CoverageAnalysis]: Checked inductivity of 7503 backedges. 0 proven. 7503 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-07-23 13:57:03,825 INFO L450 AbstractCegarLoop]: Interpolant automaton has 125 states [2018-07-23 13:57:03,826 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 125 interpolants. [2018-07-23 13:57:03,827 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=7750, Invalid=7750, Unknown=0, NotChecked=0, Total=15500 [2018-07-23 13:57:03,827 INFO L87 Difference]: Start difference. First operand 126 states and 126 transitions. Second operand 125 states. [2018-07-23 13:57:04,030 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-07-23 13:57:04,031 INFO L93 Difference]: Finished difference Result 129 states and 129 transitions. [2018-07-23 13:57:04,031 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 125 states. [2018-07-23 13:57:04,031 INFO L78 Accepts]: Start accepts. Automaton has 125 states. Word has length 125 [2018-07-23 13:57:04,031 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-07-23 13:57:04,031 INFO L225 Difference]: With dead ends: 129 [2018-07-23 13:57:04,031 INFO L226 Difference]: Without dead ends: 127 [2018-07-23 13:57:04,032 INFO L575 BasicCegarLoop]: 0 DeclaredPredicates, 124 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 123 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.7s TimeCoverageRelationStatistics Valid=7750, Invalid=7750, Unknown=0, NotChecked=0, Total=15500 [2018-07-23 13:57:04,032 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 127 states. [2018-07-23 13:57:04,038 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 127 to 127. [2018-07-23 13:57:04,038 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 127 states. [2018-07-23 13:57:04,038 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 127 states to 127 states and 127 transitions. [2018-07-23 13:57:04,038 INFO L78 Accepts]: Start accepts. Automaton has 127 states and 127 transitions. Word has length 125 [2018-07-23 13:57:04,038 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-07-23 13:57:04,038 INFO L471 AbstractCegarLoop]: Abstraction has 127 states and 127 transitions. [2018-07-23 13:57:04,038 INFO L472 AbstractCegarLoop]: Interpolant automaton has 125 states. [2018-07-23 13:57:04,039 INFO L276 IsEmpty]: Start isEmpty. Operand 127 states and 127 transitions. [2018-07-23 13:57:04,039 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 127 [2018-07-23 13:57:04,039 INFO L349 BasicCegarLoop]: Found error trace [2018-07-23 13:57:04,039 INFO L357 BasicCegarLoop]: trace histogram [123, 1, 1, 1] [2018-07-23 13:57:04,039 INFO L414 AbstractCegarLoop]: === Iteration 124 === [mainErr0AssertViolationASSERT]=== [2018-07-23 13:57:04,039 INFO L82 PathProgramCache]: Analyzing trace with hash -1534386746, now seen corresponding path program 123 times [2018-07-23 13:57:04,039 INFO L69 tionRefinementEngine]: Using refinement strategy FixedRefinementStrategy [2018-07-23 13:57:04,143 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-07-23 13:57:05,048 INFO L134 CoverageAnalysis]: Checked inductivity of 7626 backedges. 0 proven. 7626 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-07-23 13:57:05,048 INFO L309 seRefinementStrategy]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2018-07-23 13:57:05,048 INFO L324 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [125] total 125 [2018-07-23 13:57:05,048 INFO L142 lantAutomatonBuilder]: Constructing canonical interpolant automaton, with selfloop in false state [2018-07-23 13:57:05,049 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-07-23 13:57:05,049 INFO L185 omatonBuilderFactory]: Interpolants [40960#(or (<= (select main_a main_x) 101) (= main_x main_y)), 40961#(or (= main_x main_y) (<= (select main_a main_x) 102)), 40962#(or (<= (select main_a main_x) 103) (= main_x main_y)), 40963#(or (<= (select main_a main_x) 104) (= main_x main_y)), 40964#(or (= main_x main_y) (<= (select main_a main_x) 105)), 40965#(or (= main_x main_y) (<= (select main_a main_x) 106)), 40966#(or (<= (select main_a main_x) 107) (= main_x main_y)), 40967#(or (<= (select main_a main_x) 108) (= main_x main_y)), 40968#(or (= main_x main_y) (<= (select main_a main_x) 109)), 40969#(or (= main_x main_y) (<= (select main_a main_x) 110)), 40970#(or (<= (select main_a main_x) 111) (= main_x main_y)), 40971#(or (<= (select main_a main_x) 112) (= main_x main_y)), 40972#(or (<= (select main_a main_x) 113) (= main_x main_y)), 40973#(or (= main_x main_y) (<= (select main_a main_x) 114)), 40974#(or (= main_x main_y) (<= (select main_a main_x) 115)), 40975#(or (<= (select main_a main_x) 116) (= main_x main_y)), 40976#(or (<= (select main_a main_x) 117) (= main_x main_y)), 40977#(or (= main_x main_y) (<= (select main_a main_x) 118)), 40978#(or (= main_x main_y) (<= (select main_a main_x) 119)), 40979#(or (<= (select main_a main_x) 120) (= main_x main_y)), 40980#(or (= main_x main_y) (<= (select main_a main_x) 121)), 40981#(or (<= (select main_a main_x) 122) (= main_x main_y)), 40982#(or (not (= (select main_a main_x) 1000)) (= main_x main_y)), 40857#true, 40858#false, 40859#(or (= 0 (select main_a main_x)) (= main_x main_y)), 40860#(or (<= (select main_a main_x) 1) (= main_x main_y)), 40861#(or (= main_x main_y) (<= (select main_a main_x) 2)), 40862#(or (= main_x main_y) (<= (select main_a main_x) 3)), 40863#(or (<= (select main_a main_x) 4) (= main_x main_y)), 40864#(or (<= (select main_a main_x) 5) (= main_x main_y)), 40865#(or (<= (select main_a main_x) 6) (= main_x main_y)), 40866#(or (<= (select main_a main_x) 7) (= main_x main_y)), 40867#(or (<= (select main_a main_x) 8) (= main_x main_y)), 40868#(or (= main_x main_y) (<= (select main_a main_x) 9)), 40869#(or (= main_x main_y) (<= (select main_a main_x) 10)), 40870#(or (= main_x main_y) (<= (select main_a main_x) 11)), 40871#(or (<= (select main_a main_x) 12) (= main_x main_y)), 40872#(or (= main_x main_y) (<= (select main_a main_x) 13)), 40873#(or (<= (select main_a main_x) 14) (= main_x main_y)), 40874#(or (<= (select main_a main_x) 15) (= main_x main_y)), 40875#(or (<= (select main_a main_x) 16) (= main_x main_y)), 40876#(or (= main_x main_y) (<= (select main_a main_x) 17)), 40877#(or (<= (select main_a main_x) 18) (= main_x main_y)), 40878#(or (<= (select main_a main_x) 19) (= main_x main_y)), 40879#(or (= main_x main_y) (<= (select main_a main_x) 20)), 40880#(or (<= (select main_a main_x) 21) (= main_x main_y)), 40881#(or (= main_x main_y) (<= (select main_a main_x) 22)), 40882#(or (= main_x main_y) (<= (select main_a main_x) 23)), 40883#(or (<= (select main_a main_x) 24) (= main_x main_y)), 40884#(or (= main_x main_y) (<= (select main_a main_x) 25)), 40885#(or (<= (select main_a main_x) 26) (= main_x main_y)), 40886#(or (<= (select main_a main_x) 27) (= main_x main_y)), 40887#(or (<= (select main_a main_x) 28) (= main_x main_y)), 40888#(or (<= (select main_a main_x) 29) (= main_x main_y)), 40889#(or (= main_x main_y) (<= (select main_a main_x) 30)), 40890#(or (<= (select main_a main_x) 31) (= main_x main_y)), 40891#(or (<= (select main_a main_x) 32) (= main_x main_y)), 40892#(or (<= (select main_a main_x) 33) (= main_x main_y)), 40893#(or (<= (select main_a main_x) 34) (= main_x main_y)), 40894#(or (<= (select main_a main_x) 35) (= main_x main_y)), 40895#(or (<= (select main_a main_x) 36) (= main_x main_y)), 40896#(or (<= (select main_a main_x) 37) (= main_x main_y)), 40897#(or (<= (select main_a main_x) 38) (= main_x main_y)), 40898#(or (<= (select main_a main_x) 39) (= main_x main_y)), 40899#(or (<= (select main_a main_x) 40) (= main_x main_y)), 40900#(or (<= (select main_a main_x) 41) (= main_x main_y)), 40901#(or (<= (select main_a main_x) 42) (= main_x main_y)), 40902#(or (= main_x main_y) (<= (select main_a main_x) 43)), 40903#(or (= main_x main_y) (<= (select main_a main_x) 44)), 40904#(or (= main_x main_y) (<= (select main_a main_x) 45)), 40905#(or (<= (select main_a main_x) 46) (= main_x main_y)), 40906#(or (<= (select main_a main_x) 47) (= main_x main_y)), 40907#(or (<= (select main_a main_x) 48) (= main_x main_y)), 40908#(or (<= (select main_a main_x) 49) (= main_x main_y)), 40909#(or (<= (select main_a main_x) 50) (= main_x main_y)), 40910#(or (<= (select main_a main_x) 51) (= main_x main_y)), 40911#(or (= main_x main_y) (<= (select main_a main_x) 52)), 40912#(or (<= (select main_a main_x) 53) (= main_x main_y)), 40913#(or (<= (select main_a main_x) 54) (= main_x main_y)), 40914#(or (<= (select main_a main_x) 55) (= main_x main_y)), 40915#(or (= main_x main_y) (<= (select main_a main_x) 56)), 40916#(or (<= (select main_a main_x) 57) (= main_x main_y)), 40917#(or (<= (select main_a main_x) 58) (= main_x main_y)), 40918#(or (= main_x main_y) (<= (select main_a main_x) 59)), 40919#(or (= main_x main_y) (<= (select main_a main_x) 60)), 40920#(or (= main_x main_y) (<= (select main_a main_x) 61)), 40921#(or (<= (select main_a main_x) 62) (= main_x main_y)), 40922#(or (<= (select main_a main_x) 63) (= main_x main_y)), 40923#(or (= main_x main_y) (<= (select main_a main_x) 64)), 40924#(or (<= (select main_a main_x) 65) (= main_x main_y)), 40925#(or (= main_x main_y) (<= (select main_a main_x) 66)), 40926#(or (<= (select main_a main_x) 67) (= main_x main_y)), 40927#(or (= main_x main_y) (<= (select main_a main_x) 68)), 40928#(or (= main_x main_y) (<= (select main_a main_x) 69)), 40929#(or (<= (select main_a main_x) 70) (= main_x main_y)), 40930#(or (<= (select main_a main_x) 71) (= main_x main_y)), 40931#(or (= main_x main_y) (<= (select main_a main_x) 72)), 40932#(or (<= (select main_a main_x) 73) (= main_x main_y)), 40933#(or (= main_x main_y) (<= (select main_a main_x) 74)), 40934#(or (= main_x main_y) (<= (select main_a main_x) 75)), 40935#(or (<= (select main_a main_x) 76) (= main_x main_y)), 40936#(or (<= (select main_a main_x) 77) (= main_x main_y)), 40937#(or (<= (select main_a main_x) 78) (= main_x main_y)), 40938#(or (<= (select main_a main_x) 79) (= main_x main_y)), 40939#(or (<= (select main_a main_x) 80) (= main_x main_y)), 40940#(or (<= (select main_a main_x) 81) (= main_x main_y)), 40941#(or (<= (select main_a main_x) 82) (= main_x main_y)), 40942#(or (= main_x main_y) (<= (select main_a main_x) 83)), 40943#(or (<= (select main_a main_x) 84) (= main_x main_y)), 40944#(or (<= (select main_a main_x) 85) (= main_x main_y)), 40945#(or (<= (select main_a main_x) 86) (= main_x main_y)), 40946#(or (<= (select main_a main_x) 87) (= main_x main_y)), 40947#(or (<= (select main_a main_x) 88) (= main_x main_y)), 40948#(or (<= (select main_a main_x) 89) (= main_x main_y)), 40949#(or (<= (select main_a main_x) 90) (= main_x main_y)), 40950#(or (= main_x main_y) (<= (select main_a main_x) 91)), 40951#(or (<= (select main_a main_x) 92) (= main_x main_y)), 40952#(or (<= (select main_a main_x) 93) (= main_x main_y)), 40953#(or (= main_x main_y) (<= (select main_a main_x) 94)), 40954#(or (<= (select main_a main_x) 95) (= main_x main_y)), 40955#(or (<= (select main_a main_x) 96) (= main_x main_y)), 40956#(or (= main_x main_y) (<= (select main_a main_x) 97)), 40957#(or (<= (select main_a main_x) 98) (= main_x main_y)), 40958#(or (<= (select main_a main_x) 99) (= main_x main_y)), 40959#(or (<= (select main_a main_x) 100) (= main_x main_y))] [2018-07-23 13:57:05,049 INFO L134 CoverageAnalysis]: Checked inductivity of 7626 backedges. 0 proven. 7626 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-07-23 13:57:05,049 INFO L450 AbstractCegarLoop]: Interpolant automaton has 126 states [2018-07-23 13:57:05,050 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 126 interpolants. [2018-07-23 13:57:05,051 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=7875, Invalid=7875, Unknown=0, NotChecked=0, Total=15750 [2018-07-23 13:57:05,051 INFO L87 Difference]: Start difference. First operand 127 states and 127 transitions. Second operand 126 states. [2018-07-23 13:57:05,187 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-07-23 13:57:05,187 INFO L93 Difference]: Finished difference Result 130 states and 130 transitions. [2018-07-23 13:57:05,187 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 126 states. [2018-07-23 13:57:05,187 INFO L78 Accepts]: Start accepts. Automaton has 126 states. Word has length 126 [2018-07-23 13:57:05,188 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-07-23 13:57:05,188 INFO L225 Difference]: With dead ends: 130 [2018-07-23 13:57:05,188 INFO L226 Difference]: Without dead ends: 128 [2018-07-23 13:57:05,189 INFO L575 BasicCegarLoop]: 0 DeclaredPredicates, 125 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 124 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.8s TimeCoverageRelationStatistics Valid=7875, Invalid=7875, Unknown=0, NotChecked=0, Total=15750 [2018-07-23 13:57:05,189 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 128 states. [2018-07-23 13:57:05,196 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 128 to 128. [2018-07-23 13:57:05,196 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 128 states. [2018-07-23 13:57:05,196 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 128 states to 128 states and 128 transitions. [2018-07-23 13:57:05,196 INFO L78 Accepts]: Start accepts. Automaton has 128 states and 128 transitions. Word has length 126 [2018-07-23 13:57:05,196 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-07-23 13:57:05,196 INFO L471 AbstractCegarLoop]: Abstraction has 128 states and 128 transitions. [2018-07-23 13:57:05,196 INFO L472 AbstractCegarLoop]: Interpolant automaton has 126 states. [2018-07-23 13:57:05,196 INFO L276 IsEmpty]: Start isEmpty. Operand 128 states and 128 transitions. [2018-07-23 13:57:05,197 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 128 [2018-07-23 13:57:05,197 INFO L349 BasicCegarLoop]: Found error trace [2018-07-23 13:57:05,197 INFO L357 BasicCegarLoop]: trace histogram [124, 1, 1, 1] [2018-07-23 13:57:05,197 INFO L414 AbstractCegarLoop]: === Iteration 125 === [mainErr0AssertViolationASSERT]=== [2018-07-23 13:57:05,197 INFO L82 PathProgramCache]: Analyzing trace with hash -321352736, now seen corresponding path program 124 times [2018-07-23 13:57:05,197 INFO L69 tionRefinementEngine]: Using refinement strategy FixedRefinementStrategy [2018-07-23 13:57:05,323 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-07-23 13:57:06,286 INFO L134 CoverageAnalysis]: Checked inductivity of 7750 backedges. 0 proven. 7750 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-07-23 13:57:06,286 INFO L309 seRefinementStrategy]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2018-07-23 13:57:06,287 INFO L324 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [126] total 126 [2018-07-23 13:57:06,287 INFO L142 lantAutomatonBuilder]: Constructing canonical interpolant automaton, with selfloop in false state [2018-07-23 13:57:06,287 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-07-23 13:57:06,287 INFO L185 omatonBuilderFactory]: Interpolants [41499#true, 41500#false, 41501#(or (= 0 (select main_a main_x)) (= main_x main_y)), 41502#(or (<= (select main_a main_x) 1) (= main_x main_y)), 41503#(or (= main_x main_y) (<= (select main_a main_x) 2)), 41504#(or (= main_x main_y) (<= (select main_a main_x) 3)), 41505#(or (<= (select main_a main_x) 4) (= main_x main_y)), 41506#(or (<= (select main_a main_x) 5) (= main_x main_y)), 41507#(or (<= (select main_a main_x) 6) (= main_x main_y)), 41508#(or (<= (select main_a main_x) 7) (= main_x main_y)), 41509#(or (<= (select main_a main_x) 8) (= main_x main_y)), 41510#(or (= main_x main_y) (<= (select main_a main_x) 9)), 41511#(or (= main_x main_y) (<= (select main_a main_x) 10)), 41512#(or (= main_x main_y) (<= (select main_a main_x) 11)), 41513#(or (<= (select main_a main_x) 12) (= main_x main_y)), 41514#(or (= main_x main_y) (<= (select main_a main_x) 13)), 41515#(or (<= (select main_a main_x) 14) (= main_x main_y)), 41516#(or (<= (select main_a main_x) 15) (= main_x main_y)), 41517#(or (<= (select main_a main_x) 16) (= main_x main_y)), 41518#(or (= main_x main_y) (<= (select main_a main_x) 17)), 41519#(or (<= (select main_a main_x) 18) (= main_x main_y)), 41520#(or (<= (select main_a main_x) 19) (= main_x main_y)), 41521#(or (= main_x main_y) (<= (select main_a main_x) 20)), 41522#(or (<= (select main_a main_x) 21) (= main_x main_y)), 41523#(or (= main_x main_y) (<= (select main_a main_x) 22)), 41524#(or (= main_x main_y) (<= (select main_a main_x) 23)), 41525#(or (<= (select main_a main_x) 24) (= main_x main_y)), 41526#(or (= main_x main_y) (<= (select main_a main_x) 25)), 41527#(or (<= (select main_a main_x) 26) (= main_x main_y)), 41528#(or (<= (select main_a main_x) 27) (= main_x main_y)), 41529#(or (<= (select main_a main_x) 28) (= main_x main_y)), 41530#(or (<= (select main_a main_x) 29) (= main_x main_y)), 41531#(or (= main_x main_y) (<= (select main_a main_x) 30)), 41532#(or (<= (select main_a main_x) 31) (= main_x main_y)), 41533#(or (<= (select main_a main_x) 32) (= main_x main_y)), 41534#(or (<= (select main_a main_x) 33) (= main_x main_y)), 41535#(or (<= (select main_a main_x) 34) (= main_x main_y)), 41536#(or (<= (select main_a main_x) 35) (= main_x main_y)), 41537#(or (<= (select main_a main_x) 36) (= main_x main_y)), 41538#(or (<= (select main_a main_x) 37) (= main_x main_y)), 41539#(or (<= (select main_a main_x) 38) (= main_x main_y)), 41540#(or (<= (select main_a main_x) 39) (= main_x main_y)), 41541#(or (<= (select main_a main_x) 40) (= main_x main_y)), 41542#(or (<= (select main_a main_x) 41) (= main_x main_y)), 41543#(or (<= (select main_a main_x) 42) (= main_x main_y)), 41544#(or (= main_x main_y) (<= (select main_a main_x) 43)), 41545#(or (= main_x main_y) (<= (select main_a main_x) 44)), 41546#(or (= main_x main_y) (<= (select main_a main_x) 45)), 41547#(or (<= (select main_a main_x) 46) (= main_x main_y)), 41548#(or (<= (select main_a main_x) 47) (= main_x main_y)), 41549#(or (<= (select main_a main_x) 48) (= main_x main_y)), 41550#(or (<= (select main_a main_x) 49) (= main_x main_y)), 41551#(or (<= (select main_a main_x) 50) (= main_x main_y)), 41552#(or (<= (select main_a main_x) 51) (= main_x main_y)), 41553#(or (= main_x main_y) (<= (select main_a main_x) 52)), 41554#(or (<= (select main_a main_x) 53) (= main_x main_y)), 41555#(or (<= (select main_a main_x) 54) (= main_x main_y)), 41556#(or (<= (select main_a main_x) 55) (= main_x main_y)), 41557#(or (= main_x main_y) (<= (select main_a main_x) 56)), 41558#(or (<= (select main_a main_x) 57) (= main_x main_y)), 41559#(or (<= (select main_a main_x) 58) (= main_x main_y)), 41560#(or (= main_x main_y) (<= (select main_a main_x) 59)), 41561#(or (= main_x main_y) (<= (select main_a main_x) 60)), 41562#(or (= main_x main_y) (<= (select main_a main_x) 61)), 41563#(or (<= (select main_a main_x) 62) (= main_x main_y)), 41564#(or (<= (select main_a main_x) 63) (= main_x main_y)), 41565#(or (= main_x main_y) (<= (select main_a main_x) 64)), 41566#(or (<= (select main_a main_x) 65) (= main_x main_y)), 41567#(or (= main_x main_y) (<= (select main_a main_x) 66)), 41568#(or (<= (select main_a main_x) 67) (= main_x main_y)), 41569#(or (= main_x main_y) (<= (select main_a main_x) 68)), 41570#(or (= main_x main_y) (<= (select main_a main_x) 69)), 41571#(or (<= (select main_a main_x) 70) (= main_x main_y)), 41572#(or (<= (select main_a main_x) 71) (= main_x main_y)), 41573#(or (= main_x main_y) (<= (select main_a main_x) 72)), 41574#(or (<= (select main_a main_x) 73) (= main_x main_y)), 41575#(or (= main_x main_y) (<= (select main_a main_x) 74)), 41576#(or (= main_x main_y) (<= (select main_a main_x) 75)), 41577#(or (<= (select main_a main_x) 76) (= main_x main_y)), 41578#(or (<= (select main_a main_x) 77) (= main_x main_y)), 41579#(or (<= (select main_a main_x) 78) (= main_x main_y)), 41580#(or (<= (select main_a main_x) 79) (= main_x main_y)), 41581#(or (<= (select main_a main_x) 80) (= main_x main_y)), 41582#(or (<= (select main_a main_x) 81) (= main_x main_y)), 41583#(or (<= (select main_a main_x) 82) (= main_x main_y)), 41584#(or (= main_x main_y) (<= (select main_a main_x) 83)), 41585#(or (<= (select main_a main_x) 84) (= main_x main_y)), 41586#(or (<= (select main_a main_x) 85) (= main_x main_y)), 41587#(or (<= (select main_a main_x) 86) (= main_x main_y)), 41588#(or (<= (select main_a main_x) 87) (= main_x main_y)), 41589#(or (<= (select main_a main_x) 88) (= main_x main_y)), 41590#(or (<= (select main_a main_x) 89) (= main_x main_y)), 41591#(or (<= (select main_a main_x) 90) (= main_x main_y)), 41592#(or (= main_x main_y) (<= (select main_a main_x) 91)), 41593#(or (<= (select main_a main_x) 92) (= main_x main_y)), 41594#(or (<= (select main_a main_x) 93) (= main_x main_y)), 41595#(or (= main_x main_y) (<= (select main_a main_x) 94)), 41596#(or (<= (select main_a main_x) 95) (= main_x main_y)), 41597#(or (<= (select main_a main_x) 96) (= main_x main_y)), 41598#(or (= main_x main_y) (<= (select main_a main_x) 97)), 41599#(or (<= (select main_a main_x) 98) (= main_x main_y)), 41600#(or (<= (select main_a main_x) 99) (= main_x main_y)), 41601#(or (<= (select main_a main_x) 100) (= main_x main_y)), 41602#(or (<= (select main_a main_x) 101) (= main_x main_y)), 41603#(or (= main_x main_y) (<= (select main_a main_x) 102)), 41604#(or (<= (select main_a main_x) 103) (= main_x main_y)), 41605#(or (<= (select main_a main_x) 104) (= main_x main_y)), 41606#(or (= main_x main_y) (<= (select main_a main_x) 105)), 41607#(or (= main_x main_y) (<= (select main_a main_x) 106)), 41608#(or (<= (select main_a main_x) 107) (= main_x main_y)), 41609#(or (<= (select main_a main_x) 108) (= main_x main_y)), 41610#(or (= main_x main_y) (<= (select main_a main_x) 109)), 41611#(or (= main_x main_y) (<= (select main_a main_x) 110)), 41612#(or (<= (select main_a main_x) 111) (= main_x main_y)), 41613#(or (<= (select main_a main_x) 112) (= main_x main_y)), 41614#(or (<= (select main_a main_x) 113) (= main_x main_y)), 41615#(or (= main_x main_y) (<= (select main_a main_x) 114)), 41616#(or (= main_x main_y) (<= (select main_a main_x) 115)), 41617#(or (<= (select main_a main_x) 116) (= main_x main_y)), 41618#(or (<= (select main_a main_x) 117) (= main_x main_y)), 41619#(or (= main_x main_y) (<= (select main_a main_x) 118)), 41620#(or (= main_x main_y) (<= (select main_a main_x) 119)), 41621#(or (<= (select main_a main_x) 120) (= main_x main_y)), 41622#(or (= main_x main_y) (<= (select main_a main_x) 121)), 41623#(or (<= (select main_a main_x) 122) (= main_x main_y)), 41624#(or (= main_x main_y) (<= (select main_a main_x) 123)), 41625#(or (not (= (select main_a main_x) 1000)) (= main_x main_y))] [2018-07-23 13:57:06,288 INFO L134 CoverageAnalysis]: Checked inductivity of 7750 backedges. 0 proven. 7750 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-07-23 13:57:06,288 INFO L450 AbstractCegarLoop]: Interpolant automaton has 127 states [2018-07-23 13:57:06,290 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 127 interpolants. [2018-07-23 13:57:06,291 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=8001, Invalid=8001, Unknown=0, NotChecked=0, Total=16002 [2018-07-23 13:57:06,291 INFO L87 Difference]: Start difference. First operand 128 states and 128 transitions. Second operand 127 states. [2018-07-23 13:57:06,532 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-07-23 13:57:06,532 INFO L93 Difference]: Finished difference Result 131 states and 131 transitions. [2018-07-23 13:57:06,532 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 127 states. [2018-07-23 13:57:06,532 INFO L78 Accepts]: Start accepts. Automaton has 127 states. Word has length 127 [2018-07-23 13:57:06,532 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-07-23 13:57:06,533 INFO L225 Difference]: With dead ends: 131 [2018-07-23 13:57:06,533 INFO L226 Difference]: Without dead ends: 129 [2018-07-23 13:57:06,534 INFO L575 BasicCegarLoop]: 0 DeclaredPredicates, 126 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 125 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.8s TimeCoverageRelationStatistics Valid=8001, Invalid=8001, Unknown=0, NotChecked=0, Total=16002 [2018-07-23 13:57:06,535 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 129 states. [2018-07-23 13:57:06,540 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 129 to 129. [2018-07-23 13:57:06,541 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 129 states. [2018-07-23 13:57:06,541 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 129 states to 129 states and 129 transitions. [2018-07-23 13:57:06,541 INFO L78 Accepts]: Start accepts. Automaton has 129 states and 129 transitions. Word has length 127 [2018-07-23 13:57:06,541 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-07-23 13:57:06,541 INFO L471 AbstractCegarLoop]: Abstraction has 129 states and 129 transitions. [2018-07-23 13:57:06,541 INFO L472 AbstractCegarLoop]: Interpolant automaton has 127 states. [2018-07-23 13:57:06,541 INFO L276 IsEmpty]: Start isEmpty. Operand 129 states and 129 transitions. [2018-07-23 13:57:06,542 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 129 [2018-07-23 13:57:06,542 INFO L349 BasicCegarLoop]: Found error trace [2018-07-23 13:57:06,542 INFO L357 BasicCegarLoop]: trace histogram [125, 1, 1, 1] [2018-07-23 13:57:06,542 INFO L414 AbstractCegarLoop]: === Iteration 126 === [mainErr0AssertViolationASSERT]=== [2018-07-23 13:57:06,542 INFO L82 PathProgramCache]: Analyzing trace with hash -1372004090, now seen corresponding path program 125 times [2018-07-23 13:57:06,542 INFO L69 tionRefinementEngine]: Using refinement strategy FixedRefinementStrategy [2018-07-23 13:57:06,649 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-07-23 13:57:07,574 INFO L134 CoverageAnalysis]: Checked inductivity of 7875 backedges. 0 proven. 7875 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-07-23 13:57:07,575 INFO L309 seRefinementStrategy]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2018-07-23 13:57:07,575 INFO L324 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [127] total 127 [2018-07-23 13:57:07,575 INFO L142 lantAutomatonBuilder]: Constructing canonical interpolant automaton, with selfloop in false state [2018-07-23 13:57:07,575 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-07-23 13:57:07,575 INFO L185 omatonBuilderFactory]: Interpolants [42240#(or (<= (select main_a main_x) 92) (= main_x main_y)), 42241#(or (<= (select main_a main_x) 93) (= main_x main_y)), 42242#(or (= main_x main_y) (<= (select main_a main_x) 94)), 42243#(or (<= (select main_a main_x) 95) (= main_x main_y)), 42244#(or (<= (select main_a main_x) 96) (= main_x main_y)), 42245#(or (= main_x main_y) (<= (select main_a main_x) 97)), 42246#(or (<= (select main_a main_x) 98) (= main_x main_y)), 42247#(or (<= (select main_a main_x) 99) (= main_x main_y)), 42248#(or (<= (select main_a main_x) 100) (= main_x main_y)), 42249#(or (<= (select main_a main_x) 101) (= main_x main_y)), 42250#(or (= main_x main_y) (<= (select main_a main_x) 102)), 42251#(or (<= (select main_a main_x) 103) (= main_x main_y)), 42252#(or (<= (select main_a main_x) 104) (= main_x main_y)), 42253#(or (= main_x main_y) (<= (select main_a main_x) 105)), 42254#(or (= main_x main_y) (<= (select main_a main_x) 106)), 42255#(or (<= (select main_a main_x) 107) (= main_x main_y)), 42256#(or (<= (select main_a main_x) 108) (= main_x main_y)), 42257#(or (= main_x main_y) (<= (select main_a main_x) 109)), 42258#(or (= main_x main_y) (<= (select main_a main_x) 110)), 42259#(or (<= (select main_a main_x) 111) (= main_x main_y)), 42260#(or (<= (select main_a main_x) 112) (= main_x main_y)), 42261#(or (<= (select main_a main_x) 113) (= main_x main_y)), 42262#(or (= main_x main_y) (<= (select main_a main_x) 114)), 42263#(or (= main_x main_y) (<= (select main_a main_x) 115)), 42264#(or (<= (select main_a main_x) 116) (= main_x main_y)), 42265#(or (<= (select main_a main_x) 117) (= main_x main_y)), 42266#(or (= main_x main_y) (<= (select main_a main_x) 118)), 42267#(or (= main_x main_y) (<= (select main_a main_x) 119)), 42268#(or (<= (select main_a main_x) 120) (= main_x main_y)), 42269#(or (= main_x main_y) (<= (select main_a main_x) 121)), 42270#(or (<= (select main_a main_x) 122) (= main_x main_y)), 42271#(or (= main_x main_y) (<= (select main_a main_x) 123)), 42272#(or (= main_x main_y) (<= (select main_a main_x) 124)), 42273#(or (not (= (select main_a main_x) 1000)) (= main_x main_y)), 42146#true, 42147#false, 42148#(or (= 0 (select main_a main_x)) (= main_x main_y)), 42149#(or (<= (select main_a main_x) 1) (= main_x main_y)), 42150#(or (= main_x main_y) (<= (select main_a main_x) 2)), 42151#(or (= main_x main_y) (<= (select main_a main_x) 3)), 42152#(or (<= (select main_a main_x) 4) (= main_x main_y)), 42153#(or (<= (select main_a main_x) 5) (= main_x main_y)), 42154#(or (<= (select main_a main_x) 6) (= main_x main_y)), 42155#(or (<= (select main_a main_x) 7) (= main_x main_y)), 42156#(or (<= (select main_a main_x) 8) (= main_x main_y)), 42157#(or (= main_x main_y) (<= (select main_a main_x) 9)), 42158#(or (= main_x main_y) (<= (select main_a main_x) 10)), 42159#(or (= main_x main_y) (<= (select main_a main_x) 11)), 42160#(or (<= (select main_a main_x) 12) (= main_x main_y)), 42161#(or (= main_x main_y) (<= (select main_a main_x) 13)), 42162#(or (<= (select main_a main_x) 14) (= main_x main_y)), 42163#(or (<= (select main_a main_x) 15) (= main_x main_y)), 42164#(or (<= (select main_a main_x) 16) (= main_x main_y)), 42165#(or (= main_x main_y) (<= (select main_a main_x) 17)), 42166#(or (<= (select main_a main_x) 18) (= main_x main_y)), 42167#(or (<= (select main_a main_x) 19) (= main_x main_y)), 42168#(or (= main_x main_y) (<= (select main_a main_x) 20)), 42169#(or (<= (select main_a main_x) 21) (= main_x main_y)), 42170#(or (= main_x main_y) (<= (select main_a main_x) 22)), 42171#(or (= main_x main_y) (<= (select main_a main_x) 23)), 42172#(or (<= (select main_a main_x) 24) (= main_x main_y)), 42173#(or (= main_x main_y) (<= (select main_a main_x) 25)), 42174#(or (<= (select main_a main_x) 26) (= main_x main_y)), 42175#(or (<= (select main_a main_x) 27) (= main_x main_y)), 42176#(or (<= (select main_a main_x) 28) (= main_x main_y)), 42177#(or (<= (select main_a main_x) 29) (= main_x main_y)), 42178#(or (= main_x main_y) (<= (select main_a main_x) 30)), 42179#(or (<= (select main_a main_x) 31) (= main_x main_y)), 42180#(or (<= (select main_a main_x) 32) (= main_x main_y)), 42181#(or (<= (select main_a main_x) 33) (= main_x main_y)), 42182#(or (<= (select main_a main_x) 34) (= main_x main_y)), 42183#(or (<= (select main_a main_x) 35) (= main_x main_y)), 42184#(or (<= (select main_a main_x) 36) (= main_x main_y)), 42185#(or (<= (select main_a main_x) 37) (= main_x main_y)), 42186#(or (<= (select main_a main_x) 38) (= main_x main_y)), 42187#(or (<= (select main_a main_x) 39) (= main_x main_y)), 42188#(or (<= (select main_a main_x) 40) (= main_x main_y)), 42189#(or (<= (select main_a main_x) 41) (= main_x main_y)), 42190#(or (<= (select main_a main_x) 42) (= main_x main_y)), 42191#(or (= main_x main_y) (<= (select main_a main_x) 43)), 42192#(or (= main_x main_y) (<= (select main_a main_x) 44)), 42193#(or (= main_x main_y) (<= (select main_a main_x) 45)), 42194#(or (<= (select main_a main_x) 46) (= main_x main_y)), 42195#(or (<= (select main_a main_x) 47) (= main_x main_y)), 42196#(or (<= (select main_a main_x) 48) (= main_x main_y)), 42197#(or (<= (select main_a main_x) 49) (= main_x main_y)), 42198#(or (<= (select main_a main_x) 50) (= main_x main_y)), 42199#(or (<= (select main_a main_x) 51) (= main_x main_y)), 42200#(or (= main_x main_y) (<= (select main_a main_x) 52)), 42201#(or (<= (select main_a main_x) 53) (= main_x main_y)), 42202#(or (<= (select main_a main_x) 54) (= main_x main_y)), 42203#(or (<= (select main_a main_x) 55) (= main_x main_y)), 42204#(or (= main_x main_y) (<= (select main_a main_x) 56)), 42205#(or (<= (select main_a main_x) 57) (= main_x main_y)), 42206#(or (<= (select main_a main_x) 58) (= main_x main_y)), 42207#(or (= main_x main_y) (<= (select main_a main_x) 59)), 42208#(or (= main_x main_y) (<= (select main_a main_x) 60)), 42209#(or (= main_x main_y) (<= (select main_a main_x) 61)), 42210#(or (<= (select main_a main_x) 62) (= main_x main_y)), 42211#(or (<= (select main_a main_x) 63) (= main_x main_y)), 42212#(or (= main_x main_y) (<= (select main_a main_x) 64)), 42213#(or (<= (select main_a main_x) 65) (= main_x main_y)), 42214#(or (= main_x main_y) (<= (select main_a main_x) 66)), 42215#(or (<= (select main_a main_x) 67) (= main_x main_y)), 42216#(or (= main_x main_y) (<= (select main_a main_x) 68)), 42217#(or (= main_x main_y) (<= (select main_a main_x) 69)), 42218#(or (<= (select main_a main_x) 70) (= main_x main_y)), 42219#(or (<= (select main_a main_x) 71) (= main_x main_y)), 42220#(or (= main_x main_y) (<= (select main_a main_x) 72)), 42221#(or (<= (select main_a main_x) 73) (= main_x main_y)), 42222#(or (= main_x main_y) (<= (select main_a main_x) 74)), 42223#(or (= main_x main_y) (<= (select main_a main_x) 75)), 42224#(or (<= (select main_a main_x) 76) (= main_x main_y)), 42225#(or (<= (select main_a main_x) 77) (= main_x main_y)), 42226#(or (<= (select main_a main_x) 78) (= main_x main_y)), 42227#(or (<= (select main_a main_x) 79) (= main_x main_y)), 42228#(or (<= (select main_a main_x) 80) (= main_x main_y)), 42229#(or (<= (select main_a main_x) 81) (= main_x main_y)), 42230#(or (<= (select main_a main_x) 82) (= main_x main_y)), 42231#(or (= main_x main_y) (<= (select main_a main_x) 83)), 42232#(or (<= (select main_a main_x) 84) (= main_x main_y)), 42233#(or (<= (select main_a main_x) 85) (= main_x main_y)), 42234#(or (<= (select main_a main_x) 86) (= main_x main_y)), 42235#(or (<= (select main_a main_x) 87) (= main_x main_y)), 42236#(or (<= (select main_a main_x) 88) (= main_x main_y)), 42237#(or (<= (select main_a main_x) 89) (= main_x main_y)), 42238#(or (<= (select main_a main_x) 90) (= main_x main_y)), 42239#(or (= main_x main_y) (<= (select main_a main_x) 91))] [2018-07-23 13:57:07,576 INFO L134 CoverageAnalysis]: Checked inductivity of 7875 backedges. 0 proven. 7875 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-07-23 13:57:07,576 INFO L450 AbstractCegarLoop]: Interpolant automaton has 128 states [2018-07-23 13:57:07,577 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 128 interpolants. [2018-07-23 13:57:07,578 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=8128, Invalid=8128, Unknown=0, NotChecked=0, Total=16256 [2018-07-23 13:57:07,579 INFO L87 Difference]: Start difference. First operand 129 states and 129 transitions. Second operand 128 states. [2018-07-23 13:57:07,702 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-07-23 13:57:07,703 INFO L93 Difference]: Finished difference Result 132 states and 132 transitions. [2018-07-23 13:57:07,703 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 128 states. [2018-07-23 13:57:07,703 INFO L78 Accepts]: Start accepts. Automaton has 128 states. Word has length 128 [2018-07-23 13:57:07,703 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-07-23 13:57:07,703 INFO L225 Difference]: With dead ends: 132 [2018-07-23 13:57:07,703 INFO L226 Difference]: Without dead ends: 130 [2018-07-23 13:57:07,705 INFO L575 BasicCegarLoop]: 0 DeclaredPredicates, 127 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 126 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.8s TimeCoverageRelationStatistics Valid=8128, Invalid=8128, Unknown=0, NotChecked=0, Total=16256 [2018-07-23 13:57:07,705 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 130 states. [2018-07-23 13:57:07,713 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 130 to 130. [2018-07-23 13:57:07,714 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 130 states. [2018-07-23 13:57:07,714 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 130 states to 130 states and 130 transitions. [2018-07-23 13:57:07,714 INFO L78 Accepts]: Start accepts. Automaton has 130 states and 130 transitions. Word has length 128 [2018-07-23 13:57:07,714 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-07-23 13:57:07,714 INFO L471 AbstractCegarLoop]: Abstraction has 130 states and 130 transitions. [2018-07-23 13:57:07,714 INFO L472 AbstractCegarLoop]: Interpolant automaton has 128 states. [2018-07-23 13:57:07,714 INFO L276 IsEmpty]: Start isEmpty. Operand 130 states and 130 transitions. [2018-07-23 13:57:07,715 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 130 [2018-07-23 13:57:07,715 INFO L349 BasicCegarLoop]: Found error trace [2018-07-23 13:57:07,715 INFO L357 BasicCegarLoop]: trace histogram [126, 1, 1, 1] [2018-07-23 13:57:07,715 INFO L414 AbstractCegarLoop]: === Iteration 127 === [mainErr0AssertViolationASSERT]=== [2018-07-23 13:57:07,716 INFO L82 PathProgramCache]: Analyzing trace with hash 417542304, now seen corresponding path program 126 times [2018-07-23 13:57:07,716 INFO L69 tionRefinementEngine]: Using refinement strategy FixedRefinementStrategy [2018-07-23 13:57:07,849 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-07-23 13:57:08,806 INFO L134 CoverageAnalysis]: Checked inductivity of 8001 backedges. 0 proven. 8001 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-07-23 13:57:08,806 INFO L309 seRefinementStrategy]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2018-07-23 13:57:08,807 INFO L324 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [128] total 128 [2018-07-23 13:57:08,807 INFO L142 lantAutomatonBuilder]: Constructing canonical interpolant automaton, with selfloop in false state [2018-07-23 13:57:08,807 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-07-23 13:57:08,807 INFO L185 omatonBuilderFactory]: Interpolants [42798#true, 42799#false, 42800#(or (= 0 (select main_a main_x)) (= main_x main_y)), 42801#(or (<= (select main_a main_x) 1) (= main_x main_y)), 42802#(or (= main_x main_y) (<= (select main_a main_x) 2)), 42803#(or (= main_x main_y) (<= (select main_a main_x) 3)), 42804#(or (<= (select main_a main_x) 4) (= main_x main_y)), 42805#(or (<= (select main_a main_x) 5) (= main_x main_y)), 42806#(or (<= (select main_a main_x) 6) (= main_x main_y)), 42807#(or (<= (select main_a main_x) 7) (= main_x main_y)), 42808#(or (<= (select main_a main_x) 8) (= main_x main_y)), 42809#(or (= main_x main_y) (<= (select main_a main_x) 9)), 42810#(or (= main_x main_y) (<= (select main_a main_x) 10)), 42811#(or (= main_x main_y) (<= (select main_a main_x) 11)), 42812#(or (<= (select main_a main_x) 12) (= main_x main_y)), 42813#(or (= main_x main_y) (<= (select main_a main_x) 13)), 42814#(or (<= (select main_a main_x) 14) (= main_x main_y)), 42815#(or (<= (select main_a main_x) 15) (= main_x main_y)), 42816#(or (<= (select main_a main_x) 16) (= main_x main_y)), 42817#(or (= main_x main_y) (<= (select main_a main_x) 17)), 42818#(or (<= (select main_a main_x) 18) (= main_x main_y)), 42819#(or (<= (select main_a main_x) 19) (= main_x main_y)), 42820#(or (= main_x main_y) (<= (select main_a main_x) 20)), 42821#(or (<= (select main_a main_x) 21) (= main_x main_y)), 42822#(or (= main_x main_y) (<= (select main_a main_x) 22)), 42823#(or (= main_x main_y) (<= (select main_a main_x) 23)), 42824#(or (<= (select main_a main_x) 24) (= main_x main_y)), 42825#(or (= main_x main_y) (<= (select main_a main_x) 25)), 42826#(or (<= (select main_a main_x) 26) (= main_x main_y)), 42827#(or (<= (select main_a main_x) 27) (= main_x main_y)), 42828#(or (<= (select main_a main_x) 28) (= main_x main_y)), 42829#(or (<= (select main_a main_x) 29) (= main_x main_y)), 42830#(or (= main_x main_y) (<= (select main_a main_x) 30)), 42831#(or (<= (select main_a main_x) 31) (= main_x main_y)), 42832#(or (<= (select main_a main_x) 32) (= main_x main_y)), 42833#(or (<= (select main_a main_x) 33) (= main_x main_y)), 42834#(or (<= (select main_a main_x) 34) (= main_x main_y)), 42835#(or (<= (select main_a main_x) 35) (= main_x main_y)), 42836#(or (<= (select main_a main_x) 36) (= main_x main_y)), 42837#(or (<= (select main_a main_x) 37) (= main_x main_y)), 42838#(or (<= (select main_a main_x) 38) (= main_x main_y)), 42839#(or (<= (select main_a main_x) 39) (= main_x main_y)), 42840#(or (<= (select main_a main_x) 40) (= main_x main_y)), 42841#(or (<= (select main_a main_x) 41) (= main_x main_y)), 42842#(or (<= (select main_a main_x) 42) (= main_x main_y)), 42843#(or (= main_x main_y) (<= (select main_a main_x) 43)), 42844#(or (= main_x main_y) (<= (select main_a main_x) 44)), 42845#(or (= main_x main_y) (<= (select main_a main_x) 45)), 42846#(or (<= (select main_a main_x) 46) (= main_x main_y)), 42847#(or (<= (select main_a main_x) 47) (= main_x main_y)), 42848#(or (<= (select main_a main_x) 48) (= main_x main_y)), 42849#(or (<= (select main_a main_x) 49) (= main_x main_y)), 42850#(or (<= (select main_a main_x) 50) (= main_x main_y)), 42851#(or (<= (select main_a main_x) 51) (= main_x main_y)), 42852#(or (= main_x main_y) (<= (select main_a main_x) 52)), 42853#(or (<= (select main_a main_x) 53) (= main_x main_y)), 42854#(or (<= (select main_a main_x) 54) (= main_x main_y)), 42855#(or (<= (select main_a main_x) 55) (= main_x main_y)), 42856#(or (= main_x main_y) (<= (select main_a main_x) 56)), 42857#(or (<= (select main_a main_x) 57) (= main_x main_y)), 42858#(or (<= (select main_a main_x) 58) (= main_x main_y)), 42859#(or (= main_x main_y) (<= (select main_a main_x) 59)), 42860#(or (= main_x main_y) (<= (select main_a main_x) 60)), 42861#(or (= main_x main_y) (<= (select main_a main_x) 61)), 42862#(or (<= (select main_a main_x) 62) (= main_x main_y)), 42863#(or (<= (select main_a main_x) 63) (= main_x main_y)), 42864#(or (= main_x main_y) (<= (select main_a main_x) 64)), 42865#(or (<= (select main_a main_x) 65) (= main_x main_y)), 42866#(or (= main_x main_y) (<= (select main_a main_x) 66)), 42867#(or (<= (select main_a main_x) 67) (= main_x main_y)), 42868#(or (= main_x main_y) (<= (select main_a main_x) 68)), 42869#(or (= main_x main_y) (<= (select main_a main_x) 69)), 42870#(or (<= (select main_a main_x) 70) (= main_x main_y)), 42871#(or (<= (select main_a main_x) 71) (= main_x main_y)), 42872#(or (= main_x main_y) (<= (select main_a main_x) 72)), 42873#(or (<= (select main_a main_x) 73) (= main_x main_y)), 42874#(or (= main_x main_y) (<= (select main_a main_x) 74)), 42875#(or (= main_x main_y) (<= (select main_a main_x) 75)), 42876#(or (<= (select main_a main_x) 76) (= main_x main_y)), 42877#(or (<= (select main_a main_x) 77) (= main_x main_y)), 42878#(or (<= (select main_a main_x) 78) (= main_x main_y)), 42879#(or (<= (select main_a main_x) 79) (= main_x main_y)), 42880#(or (<= (select main_a main_x) 80) (= main_x main_y)), 42881#(or (<= (select main_a main_x) 81) (= main_x main_y)), 42882#(or (<= (select main_a main_x) 82) (= main_x main_y)), 42883#(or (= main_x main_y) (<= (select main_a main_x) 83)), 42884#(or (<= (select main_a main_x) 84) (= main_x main_y)), 42885#(or (<= (select main_a main_x) 85) (= main_x main_y)), 42886#(or (<= (select main_a main_x) 86) (= main_x main_y)), 42887#(or (<= (select main_a main_x) 87) (= main_x main_y)), 42888#(or (<= (select main_a main_x) 88) (= main_x main_y)), 42889#(or (<= (select main_a main_x) 89) (= main_x main_y)), 42890#(or (<= (select main_a main_x) 90) (= main_x main_y)), 42891#(or (= main_x main_y) (<= (select main_a main_x) 91)), 42892#(or (<= (select main_a main_x) 92) (= main_x main_y)), 42893#(or (<= (select main_a main_x) 93) (= main_x main_y)), 42894#(or (= main_x main_y) (<= (select main_a main_x) 94)), 42895#(or (<= (select main_a main_x) 95) (= main_x main_y)), 42896#(or (<= (select main_a main_x) 96) (= main_x main_y)), 42897#(or (= main_x main_y) (<= (select main_a main_x) 97)), 42898#(or (<= (select main_a main_x) 98) (= main_x main_y)), 42899#(or (<= (select main_a main_x) 99) (= main_x main_y)), 42900#(or (<= (select main_a main_x) 100) (= main_x main_y)), 42901#(or (<= (select main_a main_x) 101) (= main_x main_y)), 42902#(or (= main_x main_y) (<= (select main_a main_x) 102)), 42903#(or (<= (select main_a main_x) 103) (= main_x main_y)), 42904#(or (<= (select main_a main_x) 104) (= main_x main_y)), 42905#(or (= main_x main_y) (<= (select main_a main_x) 105)), 42906#(or (= main_x main_y) (<= (select main_a main_x) 106)), 42907#(or (<= (select main_a main_x) 107) (= main_x main_y)), 42908#(or (<= (select main_a main_x) 108) (= main_x main_y)), 42909#(or (= main_x main_y) (<= (select main_a main_x) 109)), 42910#(or (= main_x main_y) (<= (select main_a main_x) 110)), 42911#(or (<= (select main_a main_x) 111) (= main_x main_y)), 42912#(or (<= (select main_a main_x) 112) (= main_x main_y)), 42913#(or (<= (select main_a main_x) 113) (= main_x main_y)), 42914#(or (= main_x main_y) (<= (select main_a main_x) 114)), 42915#(or (= main_x main_y) (<= (select main_a main_x) 115)), 42916#(or (<= (select main_a main_x) 116) (= main_x main_y)), 42917#(or (<= (select main_a main_x) 117) (= main_x main_y)), 42918#(or (= main_x main_y) (<= (select main_a main_x) 118)), 42919#(or (= main_x main_y) (<= (select main_a main_x) 119)), 42920#(or (<= (select main_a main_x) 120) (= main_x main_y)), 42921#(or (= main_x main_y) (<= (select main_a main_x) 121)), 42922#(or (<= (select main_a main_x) 122) (= main_x main_y)), 42923#(or (= main_x main_y) (<= (select main_a main_x) 123)), 42924#(or (= main_x main_y) (<= (select main_a main_x) 124)), 42925#(or (<= (select main_a main_x) 125) (= main_x main_y)), 42926#(or (not (= (select main_a main_x) 1000)) (= main_x main_y))] [2018-07-23 13:57:08,808 INFO L134 CoverageAnalysis]: Checked inductivity of 8001 backedges. 0 proven. 8001 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-07-23 13:57:08,808 INFO L450 AbstractCegarLoop]: Interpolant automaton has 129 states [2018-07-23 13:57:08,809 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 129 interpolants. [2018-07-23 13:57:08,810 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=8256, Invalid=8256, Unknown=0, NotChecked=0, Total=16512 [2018-07-23 13:57:08,810 INFO L87 Difference]: Start difference. First operand 130 states and 130 transitions. Second operand 129 states. [2018-07-23 13:57:09,008 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-07-23 13:57:09,008 INFO L93 Difference]: Finished difference Result 133 states and 133 transitions. [2018-07-23 13:57:09,009 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 129 states. [2018-07-23 13:57:09,009 INFO L78 Accepts]: Start accepts. Automaton has 129 states. Word has length 129 [2018-07-23 13:57:09,009 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-07-23 13:57:09,009 INFO L225 Difference]: With dead ends: 133 [2018-07-23 13:57:09,009 INFO L226 Difference]: Without dead ends: 131 [2018-07-23 13:57:09,010 INFO L575 BasicCegarLoop]: 0 DeclaredPredicates, 128 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 127 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.8s TimeCoverageRelationStatistics Valid=8256, Invalid=8256, Unknown=0, NotChecked=0, Total=16512 [2018-07-23 13:57:09,010 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 131 states. [2018-07-23 13:57:09,016 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 131 to 131. [2018-07-23 13:57:09,016 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 131 states. [2018-07-23 13:57:09,016 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 131 states to 131 states and 131 transitions. [2018-07-23 13:57:09,016 INFO L78 Accepts]: Start accepts. Automaton has 131 states and 131 transitions. Word has length 129 [2018-07-23 13:57:09,016 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-07-23 13:57:09,016 INFO L471 AbstractCegarLoop]: Abstraction has 131 states and 131 transitions. [2018-07-23 13:57:09,016 INFO L472 AbstractCegarLoop]: Interpolant automaton has 129 states. [2018-07-23 13:57:09,017 INFO L276 IsEmpty]: Start isEmpty. Operand 131 states and 131 transitions. [2018-07-23 13:57:09,017 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 131 [2018-07-23 13:57:09,017 INFO L349 BasicCegarLoop]: Found error trace [2018-07-23 13:57:09,017 INFO L357 BasicCegarLoop]: trace histogram [127, 1, 1, 1] [2018-07-23 13:57:09,017 INFO L414 AbstractCegarLoop]: === Iteration 128 === [mainErr0AssertViolationASSERT]=== [2018-07-23 13:57:09,018 INFO L82 PathProgramCache]: Analyzing trace with hash 58905670, now seen corresponding path program 127 times [2018-07-23 13:57:09,018 INFO L69 tionRefinementEngine]: Using refinement strategy FixedRefinementStrategy [2018-07-23 13:57:09,130 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-07-23 13:57:10,189 INFO L134 CoverageAnalysis]: Checked inductivity of 8128 backedges. 0 proven. 8128 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-07-23 13:57:10,189 INFO L309 seRefinementStrategy]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2018-07-23 13:57:10,190 INFO L324 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [129] total 129 [2018-07-23 13:57:10,190 INFO L142 lantAutomatonBuilder]: Constructing canonical interpolant automaton, with selfloop in false state [2018-07-23 13:57:10,190 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 13:57:10,191 INFO L185 omatonBuilderFactory]: Interpolants [43520#(or (<= (select main_a main_x) 63) (= main_x main_y)), 43521#(or (= main_x main_y) (<= (select main_a main_x) 64)), 43522#(or (<= (select main_a main_x) 65) (= main_x main_y)), 43523#(or (= main_x main_y) (<= (select main_a main_x) 66)), 43524#(or (<= (select main_a main_x) 67) (= main_x main_y)), 43525#(or (= main_x main_y) (<= (select main_a main_x) 68)), 43526#(or (= main_x main_y) (<= (select main_a main_x) 69)), 43527#(or (<= (select main_a main_x) 70) (= main_x main_y)), 43528#(or (<= (select main_a main_x) 71) (= main_x main_y)), 43529#(or (= main_x main_y) (<= (select main_a main_x) 72)), 43530#(or (<= (select main_a main_x) 73) (= main_x main_y)), 43531#(or (= main_x main_y) (<= (select main_a main_x) 74)), 43532#(or (= main_x main_y) (<= (select main_a main_x) 75)), 43533#(or (<= (select main_a main_x) 76) (= main_x main_y)), 43534#(or (<= (select main_a main_x) 77) (= main_x main_y)), 43535#(or (<= (select main_a main_x) 78) (= main_x main_y)), 43536#(or (<= (select main_a main_x) 79) (= main_x main_y)), 43537#(or (<= (select main_a main_x) 80) (= main_x main_y)), 43538#(or (<= (select main_a main_x) 81) (= main_x main_y)), 43539#(or (<= (select main_a main_x) 82) (= main_x main_y)), 43540#(or (= main_x main_y) (<= (select main_a main_x) 83)), 43541#(or (<= (select main_a main_x) 84) (= main_x main_y)), 43542#(or (<= (select main_a main_x) 85) (= main_x main_y)), 43543#(or (<= (select main_a main_x) 86) (= main_x main_y)), 43544#(or (<= (select main_a main_x) 87) (= main_x main_y)), 43545#(or (<= (select main_a main_x) 88) (= main_x main_y)), 43546#(or (<= (select main_a main_x) 89) (= main_x main_y)), 43547#(or (<= (select main_a main_x) 90) (= main_x main_y)), 43548#(or (= main_x main_y) (<= (select main_a main_x) 91)), 43549#(or (<= (select main_a main_x) 92) (= main_x main_y)), 43550#(or (<= (select main_a main_x) 93) (= main_x main_y)), 43551#(or (= main_x main_y) (<= (select main_a main_x) 94)), 43552#(or (<= (select main_a main_x) 95) (= main_x main_y)), 43553#(or (<= (select main_a main_x) 96) (= main_x main_y)), 43554#(or (= main_x main_y) (<= (select main_a main_x) 97)), 43555#(or (<= (select main_a main_x) 98) (= main_x main_y)), 43556#(or (<= (select main_a main_x) 99) (= main_x main_y)), 43557#(or (<= (select main_a main_x) 100) (= main_x main_y)), 43558#(or (<= (select main_a main_x) 101) (= main_x main_y)), 43559#(or (= main_x main_y) (<= (select main_a main_x) 102)), 43560#(or (<= (select main_a main_x) 103) (= main_x main_y)), 43561#(or (<= (select main_a main_x) 104) (= main_x main_y)), 43562#(or (= main_x main_y) (<= (select main_a main_x) 105)), 43563#(or (= main_x main_y) (<= (select main_a main_x) 106)), 43564#(or (<= (select main_a main_x) 107) (= main_x main_y)), 43565#(or (<= (select main_a main_x) 108) (= main_x main_y)), 43566#(or (= main_x main_y) (<= (select main_a main_x) 109)), 43567#(or (= main_x main_y) (<= (select main_a main_x) 110)), 43568#(or (<= (select main_a main_x) 111) (= main_x main_y)), 43569#(or (<= (select main_a main_x) 112) (= main_x main_y)), 43570#(or (<= (select main_a main_x) 113) (= main_x main_y)), 43571#(or (= main_x main_y) (<= (select main_a main_x) 114)), 43572#(or (= main_x main_y) (<= (select main_a main_x) 115)), 43573#(or (<= (select main_a main_x) 116) (= main_x main_y)), 43574#(or (<= (select main_a main_x) 117) (= main_x main_y)), 43575#(or (= main_x main_y) (<= (select main_a main_x) 118)), 43576#(or (= main_x main_y) (<= (select main_a main_x) 119)), 43577#(or (<= (select main_a main_x) 120) (= main_x main_y)), 43578#(or (= main_x main_y) (<= (select main_a main_x) 121)), 43579#(or (<= (select main_a main_x) 122) (= main_x main_y)), 43580#(or (= main_x main_y) (<= (select main_a main_x) 123)), 43581#(or (= main_x main_y) (<= (select main_a main_x) 124)), 43582#(or (<= (select main_a main_x) 125) (= main_x main_y)), 43583#(or (= main_x main_y) (<= (select main_a main_x) 126)), 43584#(or (not (= (select main_a main_x) 1000)) (= main_x main_y)), 43455#true, 43456#false, 43457#(or (= 0 (select main_a main_x)) (= main_x main_y)), 43458#(or (<= (select main_a main_x) 1) (= main_x main_y)), 43459#(or (= main_x main_y) (<= (select main_a main_x) 2)), 43460#(or (= main_x main_y) (<= (select main_a main_x) 3)), 43461#(or (<= (select main_a main_x) 4) (= main_x main_y)), 43462#(or (<= (select main_a main_x) 5) (= main_x main_y)), 43463#(or (<= (select main_a main_x) 6) (= main_x main_y)), 43464#(or (<= (select main_a main_x) 7) (= main_x main_y)), 43465#(or (<= (select main_a main_x) 8) (= main_x main_y)), 43466#(or (= main_x main_y) (<= (select main_a main_x) 9)), 43467#(or (= main_x main_y) (<= (select main_a main_x) 10)), 43468#(or (= main_x main_y) (<= (select main_a main_x) 11)), 43469#(or (<= (select main_a main_x) 12) (= main_x main_y)), 43470#(or (= main_x main_y) (<= (select main_a main_x) 13)), 43471#(or (<= (select main_a main_x) 14) (= main_x main_y)), 43472#(or (<= (select main_a main_x) 15) (= main_x main_y)), 43473#(or (<= (select main_a main_x) 16) (= main_x main_y)), 43474#(or (= main_x main_y) (<= (select main_a main_x) 17)), 43475#(or (<= (select main_a main_x) 18) (= main_x main_y)), 43476#(or (<= (select main_a main_x) 19) (= main_x main_y)), 43477#(or (= main_x main_y) (<= (select main_a main_x) 20)), 43478#(or (<= (select main_a main_x) 21) (= main_x main_y)), 43479#(or (= main_x main_y) (<= (select main_a main_x) 22)), 43480#(or (= main_x main_y) (<= (select main_a main_x) 23)), 43481#(or (<= (select main_a main_x) 24) (= main_x main_y)), 43482#(or (= main_x main_y) (<= (select main_a main_x) 25)), 43483#(or (<= (select main_a main_x) 26) (= main_x main_y)), 43484#(or (<= (select main_a main_x) 27) (= main_x main_y)), 43485#(or (<= (select main_a main_x) 28) (= main_x main_y)), 43486#(or (<= (select main_a main_x) 29) (= main_x main_y)), 43487#(or (= main_x main_y) (<= (select main_a main_x) 30)), 43488#(or (<= (select main_a main_x) 31) (= main_x main_y)), 43489#(or (<= (select main_a main_x) 32) (= main_x main_y)), 43490#(or (<= (select main_a main_x) 33) (= main_x main_y)), 43491#(or (<= (select main_a main_x) 34) (= main_x main_y)), 43492#(or (<= (select main_a main_x) 35) (= main_x main_y)), 43493#(or (<= (select main_a main_x) 36) (= main_x main_y)), 43494#(or (<= (select main_a main_x) 37) (= main_x main_y)), 43495#(or (<= (select main_a main_x) 38) (= main_x main_y)), 43496#(or (<= (select main_a main_x) 39) (= main_x main_y)), 43497#(or (<= (select main_a main_x) 40) (= main_x main_y)), 43498#(or (<= (select main_a main_x) 41) (= main_x main_y)), 43499#(or (<= (select main_a main_x) 42) (= main_x main_y)), 43500#(or (= main_x main_y) (<= (select main_a main_x) 43)), 43501#(or (= main_x main_y) (<= (select main_a main_x) 44)), 43502#(or (= main_x main_y) (<= (select main_a main_x) 45)), 43503#(or (<= (select main_a main_x) 46) (= main_x main_y)), 43504#(or (<= (select main_a main_x) 47) (= main_x main_y)), 43505#(or (<= (select main_a main_x) 48) (= main_x main_y)), 43506#(or (<= (select main_a main_x) 49) (= main_x main_y)), 43507#(or (<= (select main_a main_x) 50) (= main_x main_y)), 43508#(or (<= (select main_a main_x) 51) (= main_x main_y)), 43509#(or (= main_x main_y) (<= (select main_a main_x) 52)), 43510#(or (<= (select main_a main_x) 53) (= main_x main_y)), 43511#(or (<= (select main_a main_x) 54) (= main_x main_y)), 43512#(or (<= (select main_a main_x) 55) (= main_x main_y)), 43513#(or (= main_x main_y) (<= (select main_a main_x) 56)), 43514#(or (<= (select main_a main_x) 57) (= main_x main_y)), 43515#(or (<= (select main_a main_x) 58) (= main_x main_y)), 43516#(or (= main_x main_y) (<= (select main_a main_x) 59)), 43517#(or (= main_x main_y) (<= (select main_a main_x) 60)), 43518#(or (= main_x main_y) (<= (select main_a main_x) 61)), 43519#(or (<= (select main_a main_x) 62) (= main_x main_y))] [2018-07-23 13:57:10,191 INFO L134 CoverageAnalysis]: Checked inductivity of 8128 backedges. 0 proven. 8128 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-07-23 13:57:10,192 INFO L450 AbstractCegarLoop]: Interpolant automaton has 130 states [2018-07-23 13:57:10,193 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 130 interpolants. [2018-07-23 13:57:10,194 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=8385, Invalid=8385, Unknown=0, NotChecked=0, Total=16770 [2018-07-23 13:57:10,194 INFO L87 Difference]: Start difference. First operand 131 states and 131 transitions. Second operand 130 states. [2018-07-23 13:57:10,315 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-07-23 13:57:10,315 INFO L93 Difference]: Finished difference Result 134 states and 134 transitions. [2018-07-23 13:57:10,315 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 130 states. [2018-07-23 13:57:10,316 INFO L78 Accepts]: Start accepts. Automaton has 130 states. Word has length 130 [2018-07-23 13:57:10,316 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-07-23 13:57:10,316 INFO L225 Difference]: With dead ends: 134 [2018-07-23 13:57:10,316 INFO L226 Difference]: Without dead ends: 132 [2018-07-23 13:57:10,318 INFO L575 BasicCegarLoop]: 0 DeclaredPredicates, 129 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 128 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.9s TimeCoverageRelationStatistics Valid=8385, Invalid=8385, Unknown=0, NotChecked=0, Total=16770 [2018-07-23 13:57:10,318 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 132 states. [2018-07-23 13:57:10,324 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 132 to 132. [2018-07-23 13:57:10,324 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 132 states. [2018-07-23 13:57:10,325 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 132 states to 132 states and 132 transitions. [2018-07-23 13:57:10,325 INFO L78 Accepts]: Start accepts. Automaton has 132 states and 132 transitions. Word has length 130 [2018-07-23 13:57:10,325 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-07-23 13:57:10,325 INFO L471 AbstractCegarLoop]: Abstraction has 132 states and 132 transitions. [2018-07-23 13:57:10,325 INFO L472 AbstractCegarLoop]: Interpolant automaton has 130 states. [2018-07-23 13:57:10,326 INFO L276 IsEmpty]: Start isEmpty. Operand 132 states and 132 transitions. [2018-07-23 13:57:10,326 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 132 [2018-07-23 13:57:10,326 INFO L349 BasicCegarLoop]: Found error trace [2018-07-23 13:57:10,326 INFO L357 BasicCegarLoop]: trace histogram [128, 1, 1, 1] [2018-07-23 13:57:10,326 INFO L414 AbstractCegarLoop]: === Iteration 129 === [mainErr0AssertViolationASSERT]=== [2018-07-23 13:57:10,326 INFO L82 PathProgramCache]: Analyzing trace with hash 1826071904, now seen corresponding path program 128 times [2018-07-23 13:57:10,326 INFO L69 tionRefinementEngine]: Using refinement strategy FixedRefinementStrategy [2018-07-23 13:57:10,453 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-07-23 13:57:11,497 INFO L134 CoverageAnalysis]: Checked inductivity of 8256 backedges. 0 proven. 8256 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-07-23 13:57:11,497 INFO L309 seRefinementStrategy]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2018-07-23 13:57:11,497 INFO L324 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [130] total 130 [2018-07-23 13:57:11,497 INFO L142 lantAutomatonBuilder]: Constructing canonical interpolant automaton, with selfloop in false state [2018-07-23 13:57:11,498 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-07-23 13:57:11,498 INFO L185 omatonBuilderFactory]: Interpolants [44117#true, 44118#false, 44119#(or (= 0 (select main_a main_x)) (= main_x main_y)), 44120#(or (<= (select main_a main_x) 1) (= main_x main_y)), 44121#(or (= main_x main_y) (<= (select main_a main_x) 2)), 44122#(or (= main_x main_y) (<= (select main_a main_x) 3)), 44123#(or (<= (select main_a main_x) 4) (= main_x main_y)), 44124#(or (<= (select main_a main_x) 5) (= main_x main_y)), 44125#(or (<= (select main_a main_x) 6) (= main_x main_y)), 44126#(or (<= (select main_a main_x) 7) (= main_x main_y)), 44127#(or (<= (select main_a main_x) 8) (= main_x main_y)), 44128#(or (= main_x main_y) (<= (select main_a main_x) 9)), 44129#(or (= main_x main_y) (<= (select main_a main_x) 10)), 44130#(or (= main_x main_y) (<= (select main_a main_x) 11)), 44131#(or (<= (select main_a main_x) 12) (= main_x main_y)), 44132#(or (= main_x main_y) (<= (select main_a main_x) 13)), 44133#(or (<= (select main_a main_x) 14) (= main_x main_y)), 44134#(or (<= (select main_a main_x) 15) (= main_x main_y)), 44135#(or (<= (select main_a main_x) 16) (= main_x main_y)), 44136#(or (= main_x main_y) (<= (select main_a main_x) 17)), 44137#(or (<= (select main_a main_x) 18) (= main_x main_y)), 44138#(or (<= (select main_a main_x) 19) (= main_x main_y)), 44139#(or (= main_x main_y) (<= (select main_a main_x) 20)), 44140#(or (<= (select main_a main_x) 21) (= main_x main_y)), 44141#(or (= main_x main_y) (<= (select main_a main_x) 22)), 44142#(or (= main_x main_y) (<= (select main_a main_x) 23)), 44143#(or (<= (select main_a main_x) 24) (= main_x main_y)), 44144#(or (= main_x main_y) (<= (select main_a main_x) 25)), 44145#(or (<= (select main_a main_x) 26) (= main_x main_y)), 44146#(or (<= (select main_a main_x) 27) (= main_x main_y)), 44147#(or (<= (select main_a main_x) 28) (= main_x main_y)), 44148#(or (<= (select main_a main_x) 29) (= main_x main_y)), 44149#(or (= main_x main_y) (<= (select main_a main_x) 30)), 44150#(or (<= (select main_a main_x) 31) (= main_x main_y)), 44151#(or (<= (select main_a main_x) 32) (= main_x main_y)), 44152#(or (<= (select main_a main_x) 33) (= main_x main_y)), 44153#(or (<= (select main_a main_x) 34) (= main_x main_y)), 44154#(or (<= (select main_a main_x) 35) (= main_x main_y)), 44155#(or (<= (select main_a main_x) 36) (= main_x main_y)), 44156#(or (<= (select main_a main_x) 37) (= main_x main_y)), 44157#(or (<= (select main_a main_x) 38) (= main_x main_y)), 44158#(or (<= (select main_a main_x) 39) (= main_x main_y)), 44159#(or (<= (select main_a main_x) 40) (= main_x main_y)), 44160#(or (<= (select main_a main_x) 41) (= main_x main_y)), 44161#(or (<= (select main_a main_x) 42) (= main_x main_y)), 44162#(or (= main_x main_y) (<= (select main_a main_x) 43)), 44163#(or (= main_x main_y) (<= (select main_a main_x) 44)), 44164#(or (= main_x main_y) (<= (select main_a main_x) 45)), 44165#(or (<= (select main_a main_x) 46) (= main_x main_y)), 44166#(or (<= (select main_a main_x) 47) (= main_x main_y)), 44167#(or (<= (select main_a main_x) 48) (= main_x main_y)), 44168#(or (<= (select main_a main_x) 49) (= main_x main_y)), 44169#(or (<= (select main_a main_x) 50) (= main_x main_y)), 44170#(or (<= (select main_a main_x) 51) (= main_x main_y)), 44171#(or (= main_x main_y) (<= (select main_a main_x) 52)), 44172#(or (<= (select main_a main_x) 53) (= main_x main_y)), 44173#(or (<= (select main_a main_x) 54) (= main_x main_y)), 44174#(or (<= (select main_a main_x) 55) (= main_x main_y)), 44175#(or (= main_x main_y) (<= (select main_a main_x) 56)), 44176#(or (<= (select main_a main_x) 57) (= main_x main_y)), 44177#(or (<= (select main_a main_x) 58) (= main_x main_y)), 44178#(or (= main_x main_y) (<= (select main_a main_x) 59)), 44179#(or (= main_x main_y) (<= (select main_a main_x) 60)), 44180#(or (= main_x main_y) (<= (select main_a main_x) 61)), 44181#(or (<= (select main_a main_x) 62) (= main_x main_y)), 44182#(or (<= (select main_a main_x) 63) (= main_x main_y)), 44183#(or (= main_x main_y) (<= (select main_a main_x) 64)), 44184#(or (<= (select main_a main_x) 65) (= main_x main_y)), 44185#(or (= main_x main_y) (<= (select main_a main_x) 66)), 44186#(or (<= (select main_a main_x) 67) (= main_x main_y)), 44187#(or (= main_x main_y) (<= (select main_a main_x) 68)), 44188#(or (= main_x main_y) (<= (select main_a main_x) 69)), 44189#(or (<= (select main_a main_x) 70) (= main_x main_y)), 44190#(or (<= (select main_a main_x) 71) (= main_x main_y)), 44191#(or (= main_x main_y) (<= (select main_a main_x) 72)), 44192#(or (<= (select main_a main_x) 73) (= main_x main_y)), 44193#(or (= main_x main_y) (<= (select main_a main_x) 74)), 44194#(or (= main_x main_y) (<= (select main_a main_x) 75)), 44195#(or (<= (select main_a main_x) 76) (= main_x main_y)), 44196#(or (<= (select main_a main_x) 77) (= main_x main_y)), 44197#(or (<= (select main_a main_x) 78) (= main_x main_y)), 44198#(or (<= (select main_a main_x) 79) (= main_x main_y)), 44199#(or (<= (select main_a main_x) 80) (= main_x main_y)), 44200#(or (<= (select main_a main_x) 81) (= main_x main_y)), 44201#(or (<= (select main_a main_x) 82) (= main_x main_y)), 44202#(or (= main_x main_y) (<= (select main_a main_x) 83)), 44203#(or (<= (select main_a main_x) 84) (= main_x main_y)), 44204#(or (<= (select main_a main_x) 85) (= main_x main_y)), 44205#(or (<= (select main_a main_x) 86) (= main_x main_y)), 44206#(or (<= (select main_a main_x) 87) (= main_x main_y)), 44207#(or (<= (select main_a main_x) 88) (= main_x main_y)), 44208#(or (<= (select main_a main_x) 89) (= main_x main_y)), 44209#(or (<= (select main_a main_x) 90) (= main_x main_y)), 44210#(or (= main_x main_y) (<= (select main_a main_x) 91)), 44211#(or (<= (select main_a main_x) 92) (= main_x main_y)), 44212#(or (<= (select main_a main_x) 93) (= main_x main_y)), 44213#(or (= main_x main_y) (<= (select main_a main_x) 94)), 44214#(or (<= (select main_a main_x) 95) (= main_x main_y)), 44215#(or (<= (select main_a main_x) 96) (= main_x main_y)), 44216#(or (= main_x main_y) (<= (select main_a main_x) 97)), 44217#(or (<= (select main_a main_x) 98) (= main_x main_y)), 44218#(or (<= (select main_a main_x) 99) (= main_x main_y)), 44219#(or (<= (select main_a main_x) 100) (= main_x main_y)), 44220#(or (<= (select main_a main_x) 101) (= main_x main_y)), 44221#(or (= main_x main_y) (<= (select main_a main_x) 102)), 44222#(or (<= (select main_a main_x) 103) (= main_x main_y)), 44223#(or (<= (select main_a main_x) 104) (= main_x main_y)), 44224#(or (= main_x main_y) (<= (select main_a main_x) 105)), 44225#(or (= main_x main_y) (<= (select main_a main_x) 106)), 44226#(or (<= (select main_a main_x) 107) (= main_x main_y)), 44227#(or (<= (select main_a main_x) 108) (= main_x main_y)), 44228#(or (= main_x main_y) (<= (select main_a main_x) 109)), 44229#(or (= main_x main_y) (<= (select main_a main_x) 110)), 44230#(or (<= (select main_a main_x) 111) (= main_x main_y)), 44231#(or (<= (select main_a main_x) 112) (= main_x main_y)), 44232#(or (<= (select main_a main_x) 113) (= main_x main_y)), 44233#(or (= main_x main_y) (<= (select main_a main_x) 114)), 44234#(or (= main_x main_y) (<= (select main_a main_x) 115)), 44235#(or (<= (select main_a main_x) 116) (= main_x main_y)), 44236#(or (<= (select main_a main_x) 117) (= main_x main_y)), 44237#(or (= main_x main_y) (<= (select main_a main_x) 118)), 44238#(or (= main_x main_y) (<= (select main_a main_x) 119)), 44239#(or (<= (select main_a main_x) 120) (= main_x main_y)), 44240#(or (= main_x main_y) (<= (select main_a main_x) 121)), 44241#(or (<= (select main_a main_x) 122) (= main_x main_y)), 44242#(or (= main_x main_y) (<= (select main_a main_x) 123)), 44243#(or (= main_x main_y) (<= (select main_a main_x) 124)), 44244#(or (<= (select main_a main_x) 125) (= main_x main_y)), 44245#(or (= main_x main_y) (<= (select main_a main_x) 126)), 44246#(or (<= (select main_a main_x) 127) (= main_x main_y)), 44247#(or (not (= (select main_a main_x) 1000)) (= main_x main_y))] [2018-07-23 13:57:11,499 INFO L134 CoverageAnalysis]: Checked inductivity of 8256 backedges. 0 proven. 8256 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-07-23 13:57:11,499 INFO L450 AbstractCegarLoop]: Interpolant automaton has 131 states [2018-07-23 13:57:11,500 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 131 interpolants. [2018-07-23 13:57:11,501 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=8515, Invalid=8515, Unknown=0, NotChecked=0, Total=17030 [2018-07-23 13:57:11,501 INFO L87 Difference]: Start difference. First operand 132 states and 132 transitions. Second operand 131 states. [2018-07-23 13:57:11,711 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-07-23 13:57:11,711 INFO L93 Difference]: Finished difference Result 135 states and 135 transitions. [2018-07-23 13:57:11,711 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 131 states. [2018-07-23 13:57:11,711 INFO L78 Accepts]: Start accepts. Automaton has 131 states. Word has length 131 [2018-07-23 13:57:11,712 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-07-23 13:57:11,712 INFO L225 Difference]: With dead ends: 135 [2018-07-23 13:57:11,712 INFO L226 Difference]: Without dead ends: 133 [2018-07-23 13:57:11,713 INFO L575 BasicCegarLoop]: 0 DeclaredPredicates, 130 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 129 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.9s TimeCoverageRelationStatistics Valid=8515, Invalid=8515, Unknown=0, NotChecked=0, Total=17030 [2018-07-23 13:57:11,713 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 133 states. [2018-07-23 13:57:11,719 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 133 to 133. [2018-07-23 13:57:11,719 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 133 states. [2018-07-23 13:57:11,719 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 133 states to 133 states and 133 transitions. [2018-07-23 13:57:11,719 INFO L78 Accepts]: Start accepts. Automaton has 133 states and 133 transitions. Word has length 131 [2018-07-23 13:57:11,719 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-07-23 13:57:11,720 INFO L471 AbstractCegarLoop]: Abstraction has 133 states and 133 transitions. [2018-07-23 13:57:11,720 INFO L472 AbstractCegarLoop]: Interpolant automaton has 131 states. [2018-07-23 13:57:11,720 INFO L276 IsEmpty]: Start isEmpty. Operand 133 states and 133 transitions. [2018-07-23 13:57:11,720 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 133 [2018-07-23 13:57:11,720 INFO L349 BasicCegarLoop]: Found error trace [2018-07-23 13:57:11,720 INFO L357 BasicCegarLoop]: trace histogram [129, 1, 1, 1] [2018-07-23 13:57:11,720 INFO L414 AbstractCegarLoop]: === Iteration 130 === [mainErr0AssertViolationASSERT]=== [2018-07-23 13:57:11,720 INFO L82 PathProgramCache]: Analyzing trace with hash 773650310, now seen corresponding path program 129 times [2018-07-23 13:57:11,720 INFO L69 tionRefinementEngine]: Using refinement strategy FixedRefinementStrategy [2018-07-23 13:57:11,836 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-07-23 13:57:12,845 INFO L134 CoverageAnalysis]: Checked inductivity of 8385 backedges. 0 proven. 8385 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-07-23 13:57:12,845 INFO L309 seRefinementStrategy]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2018-07-23 13:57:12,845 INFO L324 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [131] total 131 [2018-07-23 13:57:12,846 INFO L142 lantAutomatonBuilder]: Constructing canonical interpolant automaton, with selfloop in false state [2018-07-23 13:57:12,846 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-07-23 13:57:12,846 INFO L185 omatonBuilderFactory]: Interpolants [44800#(or (<= (select main_a main_x) 14) (= main_x main_y)), 44801#(or (<= (select main_a main_x) 15) (= main_x main_y)), 44802#(or (<= (select main_a main_x) 16) (= main_x main_y)), 44803#(or (= main_x main_y) (<= (select main_a main_x) 17)), 44804#(or (<= (select main_a main_x) 18) (= main_x main_y)), 44805#(or (<= (select main_a main_x) 19) (= main_x main_y)), 44806#(or (= main_x main_y) (<= (select main_a main_x) 20)), 44807#(or (<= (select main_a main_x) 21) (= main_x main_y)), 44808#(or (= main_x main_y) (<= (select main_a main_x) 22)), 44809#(or (= main_x main_y) (<= (select main_a main_x) 23)), 44810#(or (<= (select main_a main_x) 24) (= main_x main_y)), 44811#(or (= main_x main_y) (<= (select main_a main_x) 25)), 44812#(or (<= (select main_a main_x) 26) (= main_x main_y)), 44813#(or (<= (select main_a main_x) 27) (= main_x main_y)), 44814#(or (<= (select main_a main_x) 28) (= main_x main_y)), 44815#(or (<= (select main_a main_x) 29) (= main_x main_y)), 44816#(or (= main_x main_y) (<= (select main_a main_x) 30)), 44817#(or (<= (select main_a main_x) 31) (= main_x main_y)), 44818#(or (<= (select main_a main_x) 32) (= main_x main_y)), 44819#(or (<= (select main_a main_x) 33) (= main_x main_y)), 44820#(or (<= (select main_a main_x) 34) (= main_x main_y)), 44821#(or (<= (select main_a main_x) 35) (= main_x main_y)), 44822#(or (<= (select main_a main_x) 36) (= main_x main_y)), 44823#(or (<= (select main_a main_x) 37) (= main_x main_y)), 44824#(or (<= (select main_a main_x) 38) (= main_x main_y)), 44825#(or (<= (select main_a main_x) 39) (= main_x main_y)), 44826#(or (<= (select main_a main_x) 40) (= main_x main_y)), 44827#(or (<= (select main_a main_x) 41) (= main_x main_y)), 44828#(or (<= (select main_a main_x) 42) (= main_x main_y)), 44829#(or (= main_x main_y) (<= (select main_a main_x) 43)), 44830#(or (= main_x main_y) (<= (select main_a main_x) 44)), 44831#(or (= main_x main_y) (<= (select main_a main_x) 45)), 44832#(or (<= (select main_a main_x) 46) (= main_x main_y)), 44833#(or (<= (select main_a main_x) 47) (= main_x main_y)), 44834#(or (<= (select main_a main_x) 48) (= main_x main_y)), 44835#(or (<= (select main_a main_x) 49) (= main_x main_y)), 44836#(or (<= (select main_a main_x) 50) (= main_x main_y)), 44837#(or (<= (select main_a main_x) 51) (= main_x main_y)), 44838#(or (= main_x main_y) (<= (select main_a main_x) 52)), 44839#(or (<= (select main_a main_x) 53) (= main_x main_y)), 44840#(or (<= (select main_a main_x) 54) (= main_x main_y)), 44841#(or (<= (select main_a main_x) 55) (= main_x main_y)), 44842#(or (= main_x main_y) (<= (select main_a main_x) 56)), 44843#(or (<= (select main_a main_x) 57) (= main_x main_y)), 44844#(or (<= (select main_a main_x) 58) (= main_x main_y)), 44845#(or (= main_x main_y) (<= (select main_a main_x) 59)), 44846#(or (= main_x main_y) (<= (select main_a main_x) 60)), 44847#(or (= main_x main_y) (<= (select main_a main_x) 61)), 44848#(or (<= (select main_a main_x) 62) (= main_x main_y)), 44849#(or (<= (select main_a main_x) 63) (= main_x main_y)), 44850#(or (= main_x main_y) (<= (select main_a main_x) 64)), 44851#(or (<= (select main_a main_x) 65) (= main_x main_y)), 44852#(or (= main_x main_y) (<= (select main_a main_x) 66)), 44853#(or (<= (select main_a main_x) 67) (= main_x main_y)), 44854#(or (= main_x main_y) (<= (select main_a main_x) 68)), 44855#(or (= main_x main_y) (<= (select main_a main_x) 69)), 44856#(or (<= (select main_a main_x) 70) (= main_x main_y)), 44857#(or (<= (select main_a main_x) 71) (= main_x main_y)), 44858#(or (= main_x main_y) (<= (select main_a main_x) 72)), 44859#(or (<= (select main_a main_x) 73) (= main_x main_y)), 44860#(or (= main_x main_y) (<= (select main_a main_x) 74)), 44861#(or (= main_x main_y) (<= (select main_a main_x) 75)), 44862#(or (<= (select main_a main_x) 76) (= main_x main_y)), 44863#(or (<= (select main_a main_x) 77) (= main_x main_y)), 44864#(or (<= (select main_a main_x) 78) (= main_x main_y)), 44865#(or (<= (select main_a main_x) 79) (= main_x main_y)), 44866#(or (<= (select main_a main_x) 80) (= main_x main_y)), 44867#(or (<= (select main_a main_x) 81) (= main_x main_y)), 44868#(or (<= (select main_a main_x) 82) (= main_x main_y)), 44869#(or (= main_x main_y) (<= (select main_a main_x) 83)), 44870#(or (<= (select main_a main_x) 84) (= main_x main_y)), 44871#(or (<= (select main_a main_x) 85) (= main_x main_y)), 44872#(or (<= (select main_a main_x) 86) (= main_x main_y)), 44873#(or (<= (select main_a main_x) 87) (= main_x main_y)), 44874#(or (<= (select main_a main_x) 88) (= main_x main_y)), 44875#(or (<= (select main_a main_x) 89) (= main_x main_y)), 44876#(or (<= (select main_a main_x) 90) (= main_x main_y)), 44877#(or (= main_x main_y) (<= (select main_a main_x) 91)), 44878#(or (<= (select main_a main_x) 92) (= main_x main_y)), 44879#(or (<= (select main_a main_x) 93) (= main_x main_y)), 44880#(or (= main_x main_y) (<= (select main_a main_x) 94)), 44881#(or (<= (select main_a main_x) 95) (= main_x main_y)), 44882#(or (<= (select main_a main_x) 96) (= main_x main_y)), 44883#(or (= main_x main_y) (<= (select main_a main_x) 97)), 44884#(or (<= (select main_a main_x) 98) (= main_x main_y)), 44885#(or (<= (select main_a main_x) 99) (= main_x main_y)), 44886#(or (<= (select main_a main_x) 100) (= main_x main_y)), 44887#(or (<= (select main_a main_x) 101) (= main_x main_y)), 44888#(or (= main_x main_y) (<= (select main_a main_x) 102)), 44889#(or (<= (select main_a main_x) 103) (= main_x main_y)), 44890#(or (<= (select main_a main_x) 104) (= main_x main_y)), 44891#(or (= main_x main_y) (<= (select main_a main_x) 105)), 44892#(or (= main_x main_y) (<= (select main_a main_x) 106)), 44893#(or (<= (select main_a main_x) 107) (= main_x main_y)), 44894#(or (<= (select main_a main_x) 108) (= main_x main_y)), 44895#(or (= main_x main_y) (<= (select main_a main_x) 109)), 44896#(or (= main_x main_y) (<= (select main_a main_x) 110)), 44897#(or (<= (select main_a main_x) 111) (= main_x main_y)), 44898#(or (<= (select main_a main_x) 112) (= main_x main_y)), 44899#(or (<= (select main_a main_x) 113) (= main_x main_y)), 44900#(or (= main_x main_y) (<= (select main_a main_x) 114)), 44901#(or (= main_x main_y) (<= (select main_a main_x) 115)), 44902#(or (<= (select main_a main_x) 116) (= main_x main_y)), 44903#(or (<= (select main_a main_x) 117) (= main_x main_y)), 44904#(or (= main_x main_y) (<= (select main_a main_x) 118)), 44905#(or (= main_x main_y) (<= (select main_a main_x) 119)), 44906#(or (<= (select main_a main_x) 120) (= main_x main_y)), 44907#(or (= main_x main_y) (<= (select main_a main_x) 121)), 44908#(or (<= (select main_a main_x) 122) (= main_x main_y)), 44909#(or (= main_x main_y) (<= (select main_a main_x) 123)), 44910#(or (= main_x main_y) (<= (select main_a main_x) 124)), 44911#(or (<= (select main_a main_x) 125) (= main_x main_y)), 44912#(or (= main_x main_y) (<= (select main_a main_x) 126)), 44913#(or (<= (select main_a main_x) 127) (= main_x main_y)), 44914#(or (= main_x main_y) (<= (select main_a main_x) 128)), 44915#(or (not (= (select main_a main_x) 1000)) (= main_x main_y)), 44784#true, 44785#false, 44786#(or (= 0 (select main_a main_x)) (= main_x main_y)), 44787#(or (<= (select main_a main_x) 1) (= main_x main_y)), 44788#(or (= main_x main_y) (<= (select main_a main_x) 2)), 44789#(or (= main_x main_y) (<= (select main_a main_x) 3)), 44790#(or (<= (select main_a main_x) 4) (= main_x main_y)), 44791#(or (<= (select main_a main_x) 5) (= main_x main_y)), 44792#(or (<= (select main_a main_x) 6) (= main_x main_y)), 44793#(or (<= (select main_a main_x) 7) (= main_x main_y)), 44794#(or (<= (select main_a main_x) 8) (= main_x main_y)), 44795#(or (= main_x main_y) (<= (select main_a main_x) 9)), 44796#(or (= main_x main_y) (<= (select main_a main_x) 10)), 44797#(or (= main_x main_y) (<= (select main_a main_x) 11)), 44798#(or (<= (select main_a main_x) 12) (= main_x main_y)), 44799#(or (= main_x main_y) (<= (select main_a main_x) 13))] [2018-07-23 13:57:12,847 INFO L134 CoverageAnalysis]: Checked inductivity of 8385 backedges. 0 proven. 8385 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-07-23 13:57:12,847 INFO L450 AbstractCegarLoop]: Interpolant automaton has 132 states [2018-07-23 13:57:12,848 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 132 interpolants. [2018-07-23 13:57:12,849 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=8646, Invalid=8646, Unknown=0, NotChecked=0, Total=17292 [2018-07-23 13:57:12,849 INFO L87 Difference]: Start difference. First operand 133 states and 133 transitions. Second operand 132 states. [2018-07-23 13:57:13,102 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-07-23 13:57:13,103 INFO L93 Difference]: Finished difference Result 136 states and 136 transitions. [2018-07-23 13:57:13,103 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 132 states. [2018-07-23 13:57:13,103 INFO L78 Accepts]: Start accepts. Automaton has 132 states. Word has length 132 [2018-07-23 13:57:13,103 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-07-23 13:57:13,103 INFO L225 Difference]: With dead ends: 136 [2018-07-23 13:57:13,104 INFO L226 Difference]: Without dead ends: 134 [2018-07-23 13:57:13,105 INFO L575 BasicCegarLoop]: 0 DeclaredPredicates, 131 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 130 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.8s TimeCoverageRelationStatistics Valid=8646, Invalid=8646, Unknown=0, NotChecked=0, Total=17292 [2018-07-23 13:57:13,105 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 134 states. [2018-07-23 13:57:13,113 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 134 to 134. [2018-07-23 13:57:13,113 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 134 states. [2018-07-23 13:57:13,113 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 134 states to 134 states and 134 transitions. [2018-07-23 13:57:13,113 INFO L78 Accepts]: Start accepts. Automaton has 134 states and 134 transitions. Word has length 132 [2018-07-23 13:57:13,114 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-07-23 13:57:13,114 INFO L471 AbstractCegarLoop]: Abstraction has 134 states and 134 transitions. [2018-07-23 13:57:13,114 INFO L472 AbstractCegarLoop]: Interpolant automaton has 132 states. [2018-07-23 13:57:13,114 INFO L276 IsEmpty]: Start isEmpty. Operand 134 states and 134 transitions. [2018-07-23 13:57:13,114 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 134 [2018-07-23 13:57:13,114 INFO L349 BasicCegarLoop]: Found error trace [2018-07-23 13:57:13,114 INFO L357 BasicCegarLoop]: trace histogram [130, 1, 1, 1] [2018-07-23 13:57:13,114 INFO L414 AbstractCegarLoop]: === Iteration 131 === [mainErr0AssertViolationASSERT]=== [2018-07-23 13:57:13,115 INFO L82 PathProgramCache]: Analyzing trace with hash -1786648032, now seen corresponding path program 130 times [2018-07-23 13:57:13,115 INFO L69 tionRefinementEngine]: Using refinement strategy FixedRefinementStrategy [2018-07-23 13:57:13,253 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-07-23 13:57:14,181 INFO L134 CoverageAnalysis]: Checked inductivity of 8515 backedges. 0 proven. 8515 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-07-23 13:57:14,181 INFO L309 seRefinementStrategy]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2018-07-23 13:57:14,181 INFO L324 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [132] total 132 [2018-07-23 13:57:14,181 INFO L142 lantAutomatonBuilder]: Constructing canonical interpolant automaton, with selfloop in false state [2018-07-23 13:57:14,182 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-07-23 13:57:14,182 INFO L185 omatonBuilderFactory]: Interpolants [45568#(or (= main_x main_y) (<= (select main_a main_x) 110)), 45569#(or (<= (select main_a main_x) 111) (= main_x main_y)), 45570#(or (<= (select main_a main_x) 112) (= main_x main_y)), 45571#(or (<= (select main_a main_x) 113) (= main_x main_y)), 45572#(or (= main_x main_y) (<= (select main_a main_x) 114)), 45573#(or (= main_x main_y) (<= (select main_a main_x) 115)), 45574#(or (<= (select main_a main_x) 116) (= main_x main_y)), 45575#(or (<= (select main_a main_x) 117) (= main_x main_y)), 45576#(or (= main_x main_y) (<= (select main_a main_x) 118)), 45577#(or (= main_x main_y) (<= (select main_a main_x) 119)), 45578#(or (<= (select main_a main_x) 120) (= main_x main_y)), 45579#(or (= main_x main_y) (<= (select main_a main_x) 121)), 45580#(or (<= (select main_a main_x) 122) (= main_x main_y)), 45581#(or (= main_x main_y) (<= (select main_a main_x) 123)), 45582#(or (= main_x main_y) (<= (select main_a main_x) 124)), 45583#(or (<= (select main_a main_x) 125) (= main_x main_y)), 45584#(or (= main_x main_y) (<= (select main_a main_x) 126)), 45585#(or (<= (select main_a main_x) 127) (= main_x main_y)), 45586#(or (= main_x main_y) (<= (select main_a main_x) 128)), 45587#(or (= main_x main_y) (<= (select main_a main_x) 129)), 45588#(or (not (= (select main_a main_x) 1000)) (= main_x main_y)), 45456#true, 45457#false, 45458#(or (= 0 (select main_a main_x)) (= main_x main_y)), 45459#(or (<= (select main_a main_x) 1) (= main_x main_y)), 45460#(or (= main_x main_y) (<= (select main_a main_x) 2)), 45461#(or (= main_x main_y) (<= (select main_a main_x) 3)), 45462#(or (<= (select main_a main_x) 4) (= main_x main_y)), 45463#(or (<= (select main_a main_x) 5) (= main_x main_y)), 45464#(or (<= (select main_a main_x) 6) (= main_x main_y)), 45465#(or (<= (select main_a main_x) 7) (= main_x main_y)), 45466#(or (<= (select main_a main_x) 8) (= main_x main_y)), 45467#(or (= main_x main_y) (<= (select main_a main_x) 9)), 45468#(or (= main_x main_y) (<= (select main_a main_x) 10)), 45469#(or (= main_x main_y) (<= (select main_a main_x) 11)), 45470#(or (<= (select main_a main_x) 12) (= main_x main_y)), 45471#(or (= main_x main_y) (<= (select main_a main_x) 13)), 45472#(or (<= (select main_a main_x) 14) (= main_x main_y)), 45473#(or (<= (select main_a main_x) 15) (= main_x main_y)), 45474#(or (<= (select main_a main_x) 16) (= main_x main_y)), 45475#(or (= main_x main_y) (<= (select main_a main_x) 17)), 45476#(or (<= (select main_a main_x) 18) (= main_x main_y)), 45477#(or (<= (select main_a main_x) 19) (= main_x main_y)), 45478#(or (= main_x main_y) (<= (select main_a main_x) 20)), 45479#(or (<= (select main_a main_x) 21) (= main_x main_y)), 45480#(or (= main_x main_y) (<= (select main_a main_x) 22)), 45481#(or (= main_x main_y) (<= (select main_a main_x) 23)), 45482#(or (<= (select main_a main_x) 24) (= main_x main_y)), 45483#(or (= main_x main_y) (<= (select main_a main_x) 25)), 45484#(or (<= (select main_a main_x) 26) (= main_x main_y)), 45485#(or (<= (select main_a main_x) 27) (= main_x main_y)), 45486#(or (<= (select main_a main_x) 28) (= main_x main_y)), 45487#(or (<= (select main_a main_x) 29) (= main_x main_y)), 45488#(or (= main_x main_y) (<= (select main_a main_x) 30)), 45489#(or (<= (select main_a main_x) 31) (= main_x main_y)), 45490#(or (<= (select main_a main_x) 32) (= main_x main_y)), 45491#(or (<= (select main_a main_x) 33) (= main_x main_y)), 45492#(or (<= (select main_a main_x) 34) (= main_x main_y)), 45493#(or (<= (select main_a main_x) 35) (= main_x main_y)), 45494#(or (<= (select main_a main_x) 36) (= main_x main_y)), 45495#(or (<= (select main_a main_x) 37) (= main_x main_y)), 45496#(or (<= (select main_a main_x) 38) (= main_x main_y)), 45497#(or (<= (select main_a main_x) 39) (= main_x main_y)), 45498#(or (<= (select main_a main_x) 40) (= main_x main_y)), 45499#(or (<= (select main_a main_x) 41) (= main_x main_y)), 45500#(or (<= (select main_a main_x) 42) (= main_x main_y)), 45501#(or (= main_x main_y) (<= (select main_a main_x) 43)), 45502#(or (= main_x main_y) (<= (select main_a main_x) 44)), 45503#(or (= main_x main_y) (<= (select main_a main_x) 45)), 45504#(or (<= (select main_a main_x) 46) (= main_x main_y)), 45505#(or (<= (select main_a main_x) 47) (= main_x main_y)), 45506#(or (<= (select main_a main_x) 48) (= main_x main_y)), 45507#(or (<= (select main_a main_x) 49) (= main_x main_y)), 45508#(or (<= (select main_a main_x) 50) (= main_x main_y)), 45509#(or (<= (select main_a main_x) 51) (= main_x main_y)), 45510#(or (= main_x main_y) (<= (select main_a main_x) 52)), 45511#(or (<= (select main_a main_x) 53) (= main_x main_y)), 45512#(or (<= (select main_a main_x) 54) (= main_x main_y)), 45513#(or (<= (select main_a main_x) 55) (= main_x main_y)), 45514#(or (= main_x main_y) (<= (select main_a main_x) 56)), 45515#(or (<= (select main_a main_x) 57) (= main_x main_y)), 45516#(or (<= (select main_a main_x) 58) (= main_x main_y)), 45517#(or (= main_x main_y) (<= (select main_a main_x) 59)), 45518#(or (= main_x main_y) (<= (select main_a main_x) 60)), 45519#(or (= main_x main_y) (<= (select main_a main_x) 61)), 45520#(or (<= (select main_a main_x) 62) (= main_x main_y)), 45521#(or (<= (select main_a main_x) 63) (= main_x main_y)), 45522#(or (= main_x main_y) (<= (select main_a main_x) 64)), 45523#(or (<= (select main_a main_x) 65) (= main_x main_y)), 45524#(or (= main_x main_y) (<= (select main_a main_x) 66)), 45525#(or (<= (select main_a main_x) 67) (= main_x main_y)), 45526#(or (= main_x main_y) (<= (select main_a main_x) 68)), 45527#(or (= main_x main_y) (<= (select main_a main_x) 69)), 45528#(or (<= (select main_a main_x) 70) (= main_x main_y)), 45529#(or (<= (select main_a main_x) 71) (= main_x main_y)), 45530#(or (= main_x main_y) (<= (select main_a main_x) 72)), 45531#(or (<= (select main_a main_x) 73) (= main_x main_y)), 45532#(or (= main_x main_y) (<= (select main_a main_x) 74)), 45533#(or (= main_x main_y) (<= (select main_a main_x) 75)), 45534#(or (<= (select main_a main_x) 76) (= main_x main_y)), 45535#(or (<= (select main_a main_x) 77) (= main_x main_y)), 45536#(or (<= (select main_a main_x) 78) (= main_x main_y)), 45537#(or (<= (select main_a main_x) 79) (= main_x main_y)), 45538#(or (<= (select main_a main_x) 80) (= main_x main_y)), 45539#(or (<= (select main_a main_x) 81) (= main_x main_y)), 45540#(or (<= (select main_a main_x) 82) (= main_x main_y)), 45541#(or (= main_x main_y) (<= (select main_a main_x) 83)), 45542#(or (<= (select main_a main_x) 84) (= main_x main_y)), 45543#(or (<= (select main_a main_x) 85) (= main_x main_y)), 45544#(or (<= (select main_a main_x) 86) (= main_x main_y)), 45545#(or (<= (select main_a main_x) 87) (= main_x main_y)), 45546#(or (<= (select main_a main_x) 88) (= main_x main_y)), 45547#(or (<= (select main_a main_x) 89) (= main_x main_y)), 45548#(or (<= (select main_a main_x) 90) (= main_x main_y)), 45549#(or (= main_x main_y) (<= (select main_a main_x) 91)), 45550#(or (<= (select main_a main_x) 92) (= main_x main_y)), 45551#(or (<= (select main_a main_x) 93) (= main_x main_y)), 45552#(or (= main_x main_y) (<= (select main_a main_x) 94)), 45553#(or (<= (select main_a main_x) 95) (= main_x main_y)), 45554#(or (<= (select main_a main_x) 96) (= main_x main_y)), 45555#(or (= main_x main_y) (<= (select main_a main_x) 97)), 45556#(or (<= (select main_a main_x) 98) (= main_x main_y)), 45557#(or (<= (select main_a main_x) 99) (= main_x main_y)), 45558#(or (<= (select main_a main_x) 100) (= main_x main_y)), 45559#(or (<= (select main_a main_x) 101) (= main_x main_y)), 45560#(or (= main_x main_y) (<= (select main_a main_x) 102)), 45561#(or (<= (select main_a main_x) 103) (= main_x main_y)), 45562#(or (<= (select main_a main_x) 104) (= main_x main_y)), 45563#(or (= main_x main_y) (<= (select main_a main_x) 105)), 45564#(or (= main_x main_y) (<= (select main_a main_x) 106)), 45565#(or (<= (select main_a main_x) 107) (= main_x main_y)), 45566#(or (<= (select main_a main_x) 108) (= main_x main_y)), 45567#(or (= main_x main_y) (<= (select main_a main_x) 109))] [2018-07-23 13:57:14,182 INFO L134 CoverageAnalysis]: Checked inductivity of 8515 backedges. 0 proven. 8515 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-07-23 13:57:14,182 INFO L450 AbstractCegarLoop]: Interpolant automaton has 133 states [2018-07-23 13:57:14,183 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 133 interpolants. [2018-07-23 13:57:14,184 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=8778, Invalid=8778, Unknown=0, NotChecked=0, Total=17556 [2018-07-23 13:57:14,184 INFO L87 Difference]: Start difference. First operand 134 states and 134 transitions. Second operand 133 states. [2018-07-23 13:57:14,332 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-07-23 13:57:14,333 INFO L93 Difference]: Finished difference Result 137 states and 137 transitions. [2018-07-23 13:57:14,333 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 133 states. [2018-07-23 13:57:14,333 INFO L78 Accepts]: Start accepts. Automaton has 133 states. Word has length 133 [2018-07-23 13:57:14,333 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-07-23 13:57:14,333 INFO L225 Difference]: With dead ends: 137 [2018-07-23 13:57:14,333 INFO L226 Difference]: Without dead ends: 135 [2018-07-23 13:57:14,335 INFO L575 BasicCegarLoop]: 0 DeclaredPredicates, 132 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 131 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.8s TimeCoverageRelationStatistics Valid=8778, Invalid=8778, Unknown=0, NotChecked=0, Total=17556 [2018-07-23 13:57:14,335 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 135 states. [2018-07-23 13:57:14,342 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 135 to 135. [2018-07-23 13:57:14,343 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 135 states. [2018-07-23 13:57:14,343 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 135 states to 135 states and 135 transitions. [2018-07-23 13:57:14,343 INFO L78 Accepts]: Start accepts. Automaton has 135 states and 135 transitions. Word has length 133 [2018-07-23 13:57:14,343 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-07-23 13:57:14,343 INFO L471 AbstractCegarLoop]: Abstraction has 135 states and 135 transitions. [2018-07-23 13:57:14,343 INFO L472 AbstractCegarLoop]: Interpolant automaton has 133 states. [2018-07-23 13:57:14,343 INFO L276 IsEmpty]: Start isEmpty. Operand 135 states and 135 transitions. [2018-07-23 13:57:14,344 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 135 [2018-07-23 13:57:14,344 INFO L349 BasicCegarLoop]: Found error trace [2018-07-23 13:57:14,344 INFO L357 BasicCegarLoop]: trace histogram [131, 1, 1, 1] [2018-07-23 13:57:14,344 INFO L414 AbstractCegarLoop]: === Iteration 132 === [mainErr0AssertViolationASSERT]=== [2018-07-23 13:57:14,344 INFO L82 PathProgramCache]: Analyzing trace with hash 448481990, now seen corresponding path program 131 times [2018-07-23 13:57:14,344 INFO L69 tionRefinementEngine]: Using refinement strategy FixedRefinementStrategy [2018-07-23 13:57:14,499 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-07-23 13:57:15,526 INFO L134 CoverageAnalysis]: Checked inductivity of 8646 backedges. 0 proven. 8646 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-07-23 13:57:15,526 INFO L309 seRefinementStrategy]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2018-07-23 13:57:15,527 INFO L324 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [133] total 133 [2018-07-23 13:57:15,527 INFO L142 lantAutomatonBuilder]: Constructing canonical interpolant automaton, with selfloop in false state [2018-07-23 13:57:15,527 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-07-23 13:57:15,527 INFO L185 omatonBuilderFactory]: Interpolants [46133#true, 46134#false, 46135#(or (= 0 (select main_a main_x)) (= main_x main_y)), 46136#(or (<= (select main_a main_x) 1) (= main_x main_y)), 46137#(or (= main_x main_y) (<= (select main_a main_x) 2)), 46138#(or (= main_x main_y) (<= (select main_a main_x) 3)), 46139#(or (<= (select main_a main_x) 4) (= main_x main_y)), 46140#(or (<= (select main_a main_x) 5) (= main_x main_y)), 46141#(or (<= (select main_a main_x) 6) (= main_x main_y)), 46142#(or (<= (select main_a main_x) 7) (= main_x main_y)), 46143#(or (<= (select main_a main_x) 8) (= main_x main_y)), 46144#(or (= main_x main_y) (<= (select main_a main_x) 9)), 46145#(or (= main_x main_y) (<= (select main_a main_x) 10)), 46146#(or (= main_x main_y) (<= (select main_a main_x) 11)), 46147#(or (<= (select main_a main_x) 12) (= main_x main_y)), 46148#(or (= main_x main_y) (<= (select main_a main_x) 13)), 46149#(or (<= (select main_a main_x) 14) (= main_x main_y)), 46150#(or (<= (select main_a main_x) 15) (= main_x main_y)), 46151#(or (<= (select main_a main_x) 16) (= main_x main_y)), 46152#(or (= main_x main_y) (<= (select main_a main_x) 17)), 46153#(or (<= (select main_a main_x) 18) (= main_x main_y)), 46154#(or (<= (select main_a main_x) 19) (= main_x main_y)), 46155#(or (= main_x main_y) (<= (select main_a main_x) 20)), 46156#(or (<= (select main_a main_x) 21) (= main_x main_y)), 46157#(or (= main_x main_y) (<= (select main_a main_x) 22)), 46158#(or (= main_x main_y) (<= (select main_a main_x) 23)), 46159#(or (<= (select main_a main_x) 24) (= main_x main_y)), 46160#(or (= main_x main_y) (<= (select main_a main_x) 25)), 46161#(or (<= (select main_a main_x) 26) (= main_x main_y)), 46162#(or (<= (select main_a main_x) 27) (= main_x main_y)), 46163#(or (<= (select main_a main_x) 28) (= main_x main_y)), 46164#(or (<= (select main_a main_x) 29) (= main_x main_y)), 46165#(or (= main_x main_y) (<= (select main_a main_x) 30)), 46166#(or (<= (select main_a main_x) 31) (= main_x main_y)), 46167#(or (<= (select main_a main_x) 32) (= main_x main_y)), 46168#(or (<= (select main_a main_x) 33) (= main_x main_y)), 46169#(or (<= (select main_a main_x) 34) (= main_x main_y)), 46170#(or (<= (select main_a main_x) 35) (= main_x main_y)), 46171#(or (<= (select main_a main_x) 36) (= main_x main_y)), 46172#(or (<= (select main_a main_x) 37) (= main_x main_y)), 46173#(or (<= (select main_a main_x) 38) (= main_x main_y)), 46174#(or (<= (select main_a main_x) 39) (= main_x main_y)), 46175#(or (<= (select main_a main_x) 40) (= main_x main_y)), 46176#(or (<= (select main_a main_x) 41) (= main_x main_y)), 46177#(or (<= (select main_a main_x) 42) (= main_x main_y)), 46178#(or (= main_x main_y) (<= (select main_a main_x) 43)), 46179#(or (= main_x main_y) (<= (select main_a main_x) 44)), 46180#(or (= main_x main_y) (<= (select main_a main_x) 45)), 46181#(or (<= (select main_a main_x) 46) (= main_x main_y)), 46182#(or (<= (select main_a main_x) 47) (= main_x main_y)), 46183#(or (<= (select main_a main_x) 48) (= main_x main_y)), 46184#(or (<= (select main_a main_x) 49) (= main_x main_y)), 46185#(or (<= (select main_a main_x) 50) (= main_x main_y)), 46186#(or (<= (select main_a main_x) 51) (= main_x main_y)), 46187#(or (= main_x main_y) (<= (select main_a main_x) 52)), 46188#(or (<= (select main_a main_x) 53) (= main_x main_y)), 46189#(or (<= (select main_a main_x) 54) (= main_x main_y)), 46190#(or (<= (select main_a main_x) 55) (= main_x main_y)), 46191#(or (= main_x main_y) (<= (select main_a main_x) 56)), 46192#(or (<= (select main_a main_x) 57) (= main_x main_y)), 46193#(or (<= (select main_a main_x) 58) (= main_x main_y)), 46194#(or (= main_x main_y) (<= (select main_a main_x) 59)), 46195#(or (= main_x main_y) (<= (select main_a main_x) 60)), 46196#(or (= main_x main_y) (<= (select main_a main_x) 61)), 46197#(or (<= (select main_a main_x) 62) (= main_x main_y)), 46198#(or (<= (select main_a main_x) 63) (= main_x main_y)), 46199#(or (= main_x main_y) (<= (select main_a main_x) 64)), 46200#(or (<= (select main_a main_x) 65) (= main_x main_y)), 46201#(or (= main_x main_y) (<= (select main_a main_x) 66)), 46202#(or (<= (select main_a main_x) 67) (= main_x main_y)), 46203#(or (= main_x main_y) (<= (select main_a main_x) 68)), 46204#(or (= main_x main_y) (<= (select main_a main_x) 69)), 46205#(or (<= (select main_a main_x) 70) (= main_x main_y)), 46206#(or (<= (select main_a main_x) 71) (= main_x main_y)), 46207#(or (= main_x main_y) (<= (select main_a main_x) 72)), 46208#(or (<= (select main_a main_x) 73) (= main_x main_y)), 46209#(or (= main_x main_y) (<= (select main_a main_x) 74)), 46210#(or (= main_x main_y) (<= (select main_a main_x) 75)), 46211#(or (<= (select main_a main_x) 76) (= main_x main_y)), 46212#(or (<= (select main_a main_x) 77) (= main_x main_y)), 46213#(or (<= (select main_a main_x) 78) (= main_x main_y)), 46214#(or (<= (select main_a main_x) 79) (= main_x main_y)), 46215#(or (<= (select main_a main_x) 80) (= main_x main_y)), 46216#(or (<= (select main_a main_x) 81) (= main_x main_y)), 46217#(or (<= (select main_a main_x) 82) (= main_x main_y)), 46218#(or (= main_x main_y) (<= (select main_a main_x) 83)), 46219#(or (<= (select main_a main_x) 84) (= main_x main_y)), 46220#(or (<= (select main_a main_x) 85) (= main_x main_y)), 46221#(or (<= (select main_a main_x) 86) (= main_x main_y)), 46222#(or (<= (select main_a main_x) 87) (= main_x main_y)), 46223#(or (<= (select main_a main_x) 88) (= main_x main_y)), 46224#(or (<= (select main_a main_x) 89) (= main_x main_y)), 46225#(or (<= (select main_a main_x) 90) (= main_x main_y)), 46226#(or (= main_x main_y) (<= (select main_a main_x) 91)), 46227#(or (<= (select main_a main_x) 92) (= main_x main_y)), 46228#(or (<= (select main_a main_x) 93) (= main_x main_y)), 46229#(or (= main_x main_y) (<= (select main_a main_x) 94)), 46230#(or (<= (select main_a main_x) 95) (= main_x main_y)), 46231#(or (<= (select main_a main_x) 96) (= main_x main_y)), 46232#(or (= main_x main_y) (<= (select main_a main_x) 97)), 46233#(or (<= (select main_a main_x) 98) (= main_x main_y)), 46234#(or (<= (select main_a main_x) 99) (= main_x main_y)), 46235#(or (<= (select main_a main_x) 100) (= main_x main_y)), 46236#(or (<= (select main_a main_x) 101) (= main_x main_y)), 46237#(or (= main_x main_y) (<= (select main_a main_x) 102)), 46238#(or (<= (select main_a main_x) 103) (= main_x main_y)), 46239#(or (<= (select main_a main_x) 104) (= main_x main_y)), 46240#(or (= main_x main_y) (<= (select main_a main_x) 105)), 46241#(or (= main_x main_y) (<= (select main_a main_x) 106)), 46242#(or (<= (select main_a main_x) 107) (= main_x main_y)), 46243#(or (<= (select main_a main_x) 108) (= main_x main_y)), 46244#(or (= main_x main_y) (<= (select main_a main_x) 109)), 46245#(or (= main_x main_y) (<= (select main_a main_x) 110)), 46246#(or (<= (select main_a main_x) 111) (= main_x main_y)), 46247#(or (<= (select main_a main_x) 112) (= main_x main_y)), 46248#(or (<= (select main_a main_x) 113) (= main_x main_y)), 46249#(or (= main_x main_y) (<= (select main_a main_x) 114)), 46250#(or (= main_x main_y) (<= (select main_a main_x) 115)), 46251#(or (<= (select main_a main_x) 116) (= main_x main_y)), 46252#(or (<= (select main_a main_x) 117) (= main_x main_y)), 46253#(or (= main_x main_y) (<= (select main_a main_x) 118)), 46254#(or (= main_x main_y) (<= (select main_a main_x) 119)), 46255#(or (<= (select main_a main_x) 120) (= main_x main_y)), 46256#(or (= main_x main_y) (<= (select main_a main_x) 121)), 46257#(or (<= (select main_a main_x) 122) (= main_x main_y)), 46258#(or (= main_x main_y) (<= (select main_a main_x) 123)), 46259#(or (= main_x main_y) (<= (select main_a main_x) 124)), 46260#(or (<= (select main_a main_x) 125) (= main_x main_y)), 46261#(or (= main_x main_y) (<= (select main_a main_x) 126)), 46262#(or (<= (select main_a main_x) 127) (= main_x main_y)), 46263#(or (= main_x main_y) (<= (select main_a main_x) 128)), 46264#(or (= main_x main_y) (<= (select main_a main_x) 129)), 46265#(or (= main_x main_y) (<= (select main_a main_x) 130)), 46266#(or (not (= (select main_a main_x) 1000)) (= main_x main_y))] [2018-07-23 13:57:15,528 INFO L134 CoverageAnalysis]: Checked inductivity of 8646 backedges. 0 proven. 8646 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-07-23 13:57:15,528 INFO L450 AbstractCegarLoop]: Interpolant automaton has 134 states [2018-07-23 13:57:15,529 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 134 interpolants. [2018-07-23 13:57:15,530 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=8911, Invalid=8911, Unknown=0, NotChecked=0, Total=17822 [2018-07-23 13:57:15,530 INFO L87 Difference]: Start difference. First operand 135 states and 135 transitions. Second operand 134 states. [2018-07-23 13:57:15,760 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-07-23 13:57:15,760 INFO L93 Difference]: Finished difference Result 138 states and 138 transitions. [2018-07-23 13:57:15,760 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 134 states. [2018-07-23 13:57:15,761 INFO L78 Accepts]: Start accepts. Automaton has 134 states. Word has length 134 [2018-07-23 13:57:15,761 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-07-23 13:57:15,761 INFO L225 Difference]: With dead ends: 138 [2018-07-23 13:57:15,761 INFO L226 Difference]: Without dead ends: 136 [2018-07-23 13:57:15,763 INFO L575 BasicCegarLoop]: 0 DeclaredPredicates, 133 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 132 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.9s TimeCoverageRelationStatistics Valid=8911, Invalid=8911, Unknown=0, NotChecked=0, Total=17822 [2018-07-23 13:57:15,763 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 136 states. [2018-07-23 13:57:15,772 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 136 to 136. [2018-07-23 13:57:15,773 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 136 states. [2018-07-23 13:57:15,773 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 136 states to 136 states and 136 transitions. [2018-07-23 13:57:15,773 INFO L78 Accepts]: Start accepts. Automaton has 136 states and 136 transitions. Word has length 134 [2018-07-23 13:57:15,773 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-07-23 13:57:15,773 INFO L471 AbstractCegarLoop]: Abstraction has 136 states and 136 transitions. [2018-07-23 13:57:15,773 INFO L472 AbstractCegarLoop]: Interpolant automaton has 134 states. [2018-07-23 13:57:15,774 INFO L276 IsEmpty]: Start isEmpty. Operand 136 states and 136 transitions. [2018-07-23 13:57:15,774 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 136 [2018-07-23 13:57:15,774 INFO L349 BasicCegarLoop]: Found error trace [2018-07-23 13:57:15,774 INFO L357 BasicCegarLoop]: trace histogram [132, 1, 1, 1] [2018-07-23 13:57:15,774 INFO L414 AbstractCegarLoop]: === Iteration 133 === [mainErr0AssertViolationASSERT]=== [2018-07-23 13:57:15,774 INFO L82 PathProgramCache]: Analyzing trace with hash 1018035936, now seen corresponding path program 132 times [2018-07-23 13:57:15,775 INFO L69 tionRefinementEngine]: Using refinement strategy FixedRefinementStrategy [2018-07-23 13:57:15,902 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-07-23 13:57:16,878 INFO L134 CoverageAnalysis]: Checked inductivity of 8778 backedges. 0 proven. 8778 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-07-23 13:57:16,878 INFO L309 seRefinementStrategy]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2018-07-23 13:57:16,878 INFO L324 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [134] total 134 [2018-07-23 13:57:16,878 INFO L142 lantAutomatonBuilder]: Constructing canonical interpolant automaton, with selfloop in false state [2018-07-23 13:57:16,878 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-07-23 13:57:16,879 INFO L185 omatonBuilderFactory]: Interpolants [46848#(or (<= (select main_a main_x) 31) (= main_x main_y)), 46849#(or (<= (select main_a main_x) 32) (= main_x main_y)), 46850#(or (<= (select main_a main_x) 33) (= main_x main_y)), 46851#(or (<= (select main_a main_x) 34) (= main_x main_y)), 46852#(or (<= (select main_a main_x) 35) (= main_x main_y)), 46853#(or (<= (select main_a main_x) 36) (= main_x main_y)), 46854#(or (<= (select main_a main_x) 37) (= main_x main_y)), 46855#(or (<= (select main_a main_x) 38) (= main_x main_y)), 46856#(or (<= (select main_a main_x) 39) (= main_x main_y)), 46857#(or (<= (select main_a main_x) 40) (= main_x main_y)), 46858#(or (<= (select main_a main_x) 41) (= main_x main_y)), 46859#(or (<= (select main_a main_x) 42) (= main_x main_y)), 46860#(or (= main_x main_y) (<= (select main_a main_x) 43)), 46861#(or (= main_x main_y) (<= (select main_a main_x) 44)), 46862#(or (= main_x main_y) (<= (select main_a main_x) 45)), 46863#(or (<= (select main_a main_x) 46) (= main_x main_y)), 46864#(or (<= (select main_a main_x) 47) (= main_x main_y)), 46865#(or (<= (select main_a main_x) 48) (= main_x main_y)), 46866#(or (<= (select main_a main_x) 49) (= main_x main_y)), 46867#(or (<= (select main_a main_x) 50) (= main_x main_y)), 46868#(or (<= (select main_a main_x) 51) (= main_x main_y)), 46869#(or (= main_x main_y) (<= (select main_a main_x) 52)), 46870#(or (<= (select main_a main_x) 53) (= main_x main_y)), 46871#(or (<= (select main_a main_x) 54) (= main_x main_y)), 46872#(or (<= (select main_a main_x) 55) (= main_x main_y)), 46873#(or (= main_x main_y) (<= (select main_a main_x) 56)), 46874#(or (<= (select main_a main_x) 57) (= main_x main_y)), 46875#(or (<= (select main_a main_x) 58) (= main_x main_y)), 46876#(or (= main_x main_y) (<= (select main_a main_x) 59)), 46877#(or (= main_x main_y) (<= (select main_a main_x) 60)), 46878#(or (= main_x main_y) (<= (select main_a main_x) 61)), 46879#(or (<= (select main_a main_x) 62) (= main_x main_y)), 46880#(or (<= (select main_a main_x) 63) (= main_x main_y)), 46881#(or (= main_x main_y) (<= (select main_a main_x) 64)), 46882#(or (<= (select main_a main_x) 65) (= main_x main_y)), 46883#(or (= main_x main_y) (<= (select main_a main_x) 66)), 46884#(or (<= (select main_a main_x) 67) (= main_x main_y)), 46885#(or (= main_x main_y) (<= (select main_a main_x) 68)), 46886#(or (= main_x main_y) (<= (select main_a main_x) 69)), 46887#(or (<= (select main_a main_x) 70) (= main_x main_y)), 46888#(or (<= (select main_a main_x) 71) (= main_x main_y)), 46889#(or (= main_x main_y) (<= (select main_a main_x) 72)), 46890#(or (<= (select main_a main_x) 73) (= main_x main_y)), 46891#(or (= main_x main_y) (<= (select main_a main_x) 74)), 46892#(or (= main_x main_y) (<= (select main_a main_x) 75)), 46893#(or (<= (select main_a main_x) 76) (= main_x main_y)), 46894#(or (<= (select main_a main_x) 77) (= main_x main_y)), 46895#(or (<= (select main_a main_x) 78) (= main_x main_y)), 46896#(or (<= (select main_a main_x) 79) (= main_x main_y)), 46897#(or (<= (select main_a main_x) 80) (= main_x main_y)), 46898#(or (<= (select main_a main_x) 81) (= main_x main_y)), 46899#(or (<= (select main_a main_x) 82) (= main_x main_y)), 46900#(or (= main_x main_y) (<= (select main_a main_x) 83)), 46901#(or (<= (select main_a main_x) 84) (= main_x main_y)), 46902#(or (<= (select main_a main_x) 85) (= main_x main_y)), 46903#(or (<= (select main_a main_x) 86) (= main_x main_y)), 46904#(or (<= (select main_a main_x) 87) (= main_x main_y)), 46905#(or (<= (select main_a main_x) 88) (= main_x main_y)), 46906#(or (<= (select main_a main_x) 89) (= main_x main_y)), 46907#(or (<= (select main_a main_x) 90) (= main_x main_y)), 46908#(or (= main_x main_y) (<= (select main_a main_x) 91)), 46909#(or (<= (select main_a main_x) 92) (= main_x main_y)), 46910#(or (<= (select main_a main_x) 93) (= main_x main_y)), 46911#(or (= main_x main_y) (<= (select main_a main_x) 94)), 46912#(or (<= (select main_a main_x) 95) (= main_x main_y)), 46913#(or (<= (select main_a main_x) 96) (= main_x main_y)), 46914#(or (= main_x main_y) (<= (select main_a main_x) 97)), 46915#(or (<= (select main_a main_x) 98) (= main_x main_y)), 46916#(or (<= (select main_a main_x) 99) (= main_x main_y)), 46917#(or (<= (select main_a main_x) 100) (= main_x main_y)), 46918#(or (<= (select main_a main_x) 101) (= main_x main_y)), 46919#(or (= main_x main_y) (<= (select main_a main_x) 102)), 46920#(or (<= (select main_a main_x) 103) (= main_x main_y)), 46921#(or (<= (select main_a main_x) 104) (= main_x main_y)), 46922#(or (= main_x main_y) (<= (select main_a main_x) 105)), 46923#(or (= main_x main_y) (<= (select main_a main_x) 106)), 46924#(or (<= (select main_a main_x) 107) (= main_x main_y)), 46925#(or (<= (select main_a main_x) 108) (= main_x main_y)), 46926#(or (= main_x main_y) (<= (select main_a main_x) 109)), 46927#(or (= main_x main_y) (<= (select main_a main_x) 110)), 46928#(or (<= (select main_a main_x) 111) (= main_x main_y)), 46929#(or (<= (select main_a main_x) 112) (= main_x main_y)), 46930#(or (<= (select main_a main_x) 113) (= main_x main_y)), 46931#(or (= main_x main_y) (<= (select main_a main_x) 114)), 46932#(or (= main_x main_y) (<= (select main_a main_x) 115)), 46933#(or (<= (select main_a main_x) 116) (= main_x main_y)), 46934#(or (<= (select main_a main_x) 117) (= main_x main_y)), 46935#(or (= main_x main_y) (<= (select main_a main_x) 118)), 46936#(or (= main_x main_y) (<= (select main_a main_x) 119)), 46937#(or (<= (select main_a main_x) 120) (= main_x main_y)), 46938#(or (= main_x main_y) (<= (select main_a main_x) 121)), 46939#(or (<= (select main_a main_x) 122) (= main_x main_y)), 46940#(or (= main_x main_y) (<= (select main_a main_x) 123)), 46941#(or (= main_x main_y) (<= (select main_a main_x) 124)), 46942#(or (<= (select main_a main_x) 125) (= main_x main_y)), 46943#(or (= main_x main_y) (<= (select main_a main_x) 126)), 46944#(or (<= (select main_a main_x) 127) (= main_x main_y)), 46945#(or (= main_x main_y) (<= (select main_a main_x) 128)), 46946#(or (= main_x main_y) (<= (select main_a main_x) 129)), 46947#(or (= main_x main_y) (<= (select main_a main_x) 130)), 46948#(or (<= (select main_a main_x) 131) (= main_x main_y)), 46949#(or (not (= (select main_a main_x) 1000)) (= main_x main_y)), 46815#true, 46816#false, 46817#(or (= 0 (select main_a main_x)) (= main_x main_y)), 46818#(or (<= (select main_a main_x) 1) (= main_x main_y)), 46819#(or (= main_x main_y) (<= (select main_a main_x) 2)), 46820#(or (= main_x main_y) (<= (select main_a main_x) 3)), 46821#(or (<= (select main_a main_x) 4) (= main_x main_y)), 46822#(or (<= (select main_a main_x) 5) (= main_x main_y)), 46823#(or (<= (select main_a main_x) 6) (= main_x main_y)), 46824#(or (<= (select main_a main_x) 7) (= main_x main_y)), 46825#(or (<= (select main_a main_x) 8) (= main_x main_y)), 46826#(or (= main_x main_y) (<= (select main_a main_x) 9)), 46827#(or (= main_x main_y) (<= (select main_a main_x) 10)), 46828#(or (= main_x main_y) (<= (select main_a main_x) 11)), 46829#(or (<= (select main_a main_x) 12) (= main_x main_y)), 46830#(or (= main_x main_y) (<= (select main_a main_x) 13)), 46831#(or (<= (select main_a main_x) 14) (= main_x main_y)), 46832#(or (<= (select main_a main_x) 15) (= main_x main_y)), 46833#(or (<= (select main_a main_x) 16) (= main_x main_y)), 46834#(or (= main_x main_y) (<= (select main_a main_x) 17)), 46835#(or (<= (select main_a main_x) 18) (= main_x main_y)), 46836#(or (<= (select main_a main_x) 19) (= main_x main_y)), 46837#(or (= main_x main_y) (<= (select main_a main_x) 20)), 46838#(or (<= (select main_a main_x) 21) (= main_x main_y)), 46839#(or (= main_x main_y) (<= (select main_a main_x) 22)), 46840#(or (= main_x main_y) (<= (select main_a main_x) 23)), 46841#(or (<= (select main_a main_x) 24) (= main_x main_y)), 46842#(or (= main_x main_y) (<= (select main_a main_x) 25)), 46843#(or (<= (select main_a main_x) 26) (= main_x main_y)), 46844#(or (<= (select main_a main_x) 27) (= main_x main_y)), 46845#(or (<= (select main_a main_x) 28) (= main_x main_y)), 46846#(or (<= (select main_a main_x) 29) (= main_x main_y)), 46847#(or (= main_x main_y) (<= (select main_a main_x) 30))] [2018-07-23 13:57:16,879 INFO L134 CoverageAnalysis]: Checked inductivity of 8778 backedges. 0 proven. 8778 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-07-23 13:57:16,880 INFO L450 AbstractCegarLoop]: Interpolant automaton has 135 states [2018-07-23 13:57:16,881 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 135 interpolants. [2018-07-23 13:57:16,882 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=9045, Invalid=9045, Unknown=0, NotChecked=0, Total=18090 [2018-07-23 13:57:16,883 INFO L87 Difference]: Start difference. First operand 136 states and 136 transitions. Second operand 135 states. [2018-07-23 13:57:17,118 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-07-23 13:57:17,119 INFO L93 Difference]: Finished difference Result 139 states and 139 transitions. [2018-07-23 13:57:17,119 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 135 states. [2018-07-23 13:57:17,119 INFO L78 Accepts]: Start accepts. Automaton has 135 states. Word has length 135 [2018-07-23 13:57:17,119 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-07-23 13:57:17,119 INFO L225 Difference]: With dead ends: 139 [2018-07-23 13:57:17,120 INFO L226 Difference]: Without dead ends: 137 [2018-07-23 13:57:17,121 INFO L575 BasicCegarLoop]: 0 DeclaredPredicates, 134 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 133 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.8s TimeCoverageRelationStatistics Valid=9045, Invalid=9045, Unknown=0, NotChecked=0, Total=18090 [2018-07-23 13:57:17,121 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 137 states. [2018-07-23 13:57:17,130 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 137 to 137. [2018-07-23 13:57:17,130 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 137 states. [2018-07-23 13:57:17,131 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 137 states to 137 states and 137 transitions. [2018-07-23 13:57:17,131 INFO L78 Accepts]: Start accepts. Automaton has 137 states and 137 transitions. Word has length 135 [2018-07-23 13:57:17,131 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-07-23 13:57:17,131 INFO L471 AbstractCegarLoop]: Abstraction has 137 states and 137 transitions. [2018-07-23 13:57:17,131 INFO L472 AbstractCegarLoop]: Interpolant automaton has 135 states. [2018-07-23 13:57:17,131 INFO L276 IsEmpty]: Start isEmpty. Operand 137 states and 137 transitions. [2018-07-23 13:57:17,131 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 137 [2018-07-23 13:57:17,132 INFO L349 BasicCegarLoop]: Found error trace [2018-07-23 13:57:17,132 INFO L357 BasicCegarLoop]: trace histogram [133, 1, 1, 1] [2018-07-23 13:57:17,132 INFO L414 AbstractCegarLoop]: === Iteration 134 === [mainErr0AssertViolationASSERT]=== [2018-07-23 13:57:17,132 INFO L82 PathProgramCache]: Analyzing trace with hash 1494339078, now seen corresponding path program 133 times [2018-07-23 13:57:17,132 INFO L69 tionRefinementEngine]: Using refinement strategy FixedRefinementStrategy [2018-07-23 13:57:17,283 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-07-23 13:57:18,407 INFO L134 CoverageAnalysis]: Checked inductivity of 8911 backedges. 0 proven. 8911 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-07-23 13:57:18,408 INFO L309 seRefinementStrategy]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2018-07-23 13:57:18,408 INFO L324 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [135] total 135 [2018-07-23 13:57:18,408 INFO L142 lantAutomatonBuilder]: Constructing canonical interpolant automaton, with selfloop in false state [2018-07-23 13:57:18,408 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-07-23 13:57:18,409 INFO L185 omatonBuilderFactory]: Interpolants [47616#(or (<= (select main_a main_x) 112) (= main_x main_y)), 47617#(or (<= (select main_a main_x) 113) (= main_x main_y)), 47618#(or (= main_x main_y) (<= (select main_a main_x) 114)), 47619#(or (= main_x main_y) (<= (select main_a main_x) 115)), 47620#(or (<= (select main_a main_x) 116) (= main_x main_y)), 47621#(or (<= (select main_a main_x) 117) (= main_x main_y)), 47622#(or (= main_x main_y) (<= (select main_a main_x) 118)), 47623#(or (= main_x main_y) (<= (select main_a main_x) 119)), 47624#(or (<= (select main_a main_x) 120) (= main_x main_y)), 47625#(or (= main_x main_y) (<= (select main_a main_x) 121)), 47626#(or (<= (select main_a main_x) 122) (= main_x main_y)), 47627#(or (= main_x main_y) (<= (select main_a main_x) 123)), 47628#(or (= main_x main_y) (<= (select main_a main_x) 124)), 47629#(or (<= (select main_a main_x) 125) (= main_x main_y)), 47630#(or (= main_x main_y) (<= (select main_a main_x) 126)), 47631#(or (<= (select main_a main_x) 127) (= main_x main_y)), 47632#(or (= main_x main_y) (<= (select main_a main_x) 128)), 47633#(or (= main_x main_y) (<= (select main_a main_x) 129)), 47634#(or (= main_x main_y) (<= (select main_a main_x) 130)), 47635#(or (<= (select main_a main_x) 131) (= main_x main_y)), 47636#(or (<= (select main_a main_x) 132) (= main_x main_y)), 47637#(or (not (= (select main_a main_x) 1000)) (= main_x main_y)), 47502#true, 47503#false, 47504#(or (= 0 (select main_a main_x)) (= main_x main_y)), 47505#(or (<= (select main_a main_x) 1) (= main_x main_y)), 47506#(or (= main_x main_y) (<= (select main_a main_x) 2)), 47507#(or (= main_x main_y) (<= (select main_a main_x) 3)), 47508#(or (<= (select main_a main_x) 4) (= main_x main_y)), 47509#(or (<= (select main_a main_x) 5) (= main_x main_y)), 47510#(or (<= (select main_a main_x) 6) (= main_x main_y)), 47511#(or (<= (select main_a main_x) 7) (= main_x main_y)), 47512#(or (<= (select main_a main_x) 8) (= main_x main_y)), 47513#(or (= main_x main_y) (<= (select main_a main_x) 9)), 47514#(or (= main_x main_y) (<= (select main_a main_x) 10)), 47515#(or (= main_x main_y) (<= (select main_a main_x) 11)), 47516#(or (<= (select main_a main_x) 12) (= main_x main_y)), 47517#(or (= main_x main_y) (<= (select main_a main_x) 13)), 47518#(or (<= (select main_a main_x) 14) (= main_x main_y)), 47519#(or (<= (select main_a main_x) 15) (= main_x main_y)), 47520#(or (<= (select main_a main_x) 16) (= main_x main_y)), 47521#(or (= main_x main_y) (<= (select main_a main_x) 17)), 47522#(or (<= (select main_a main_x) 18) (= main_x main_y)), 47523#(or (<= (select main_a main_x) 19) (= main_x main_y)), 47524#(or (= main_x main_y) (<= (select main_a main_x) 20)), 47525#(or (<= (select main_a main_x) 21) (= main_x main_y)), 47526#(or (= main_x main_y) (<= (select main_a main_x) 22)), 47527#(or (= main_x main_y) (<= (select main_a main_x) 23)), 47528#(or (<= (select main_a main_x) 24) (= main_x main_y)), 47529#(or (= main_x main_y) (<= (select main_a main_x) 25)), 47530#(or (<= (select main_a main_x) 26) (= main_x main_y)), 47531#(or (<= (select main_a main_x) 27) (= main_x main_y)), 47532#(or (<= (select main_a main_x) 28) (= main_x main_y)), 47533#(or (<= (select main_a main_x) 29) (= main_x main_y)), 47534#(or (= main_x main_y) (<= (select main_a main_x) 30)), 47535#(or (<= (select main_a main_x) 31) (= main_x main_y)), 47536#(or (<= (select main_a main_x) 32) (= main_x main_y)), 47537#(or (<= (select main_a main_x) 33) (= main_x main_y)), 47538#(or (<= (select main_a main_x) 34) (= main_x main_y)), 47539#(or (<= (select main_a main_x) 35) (= main_x main_y)), 47540#(or (<= (select main_a main_x) 36) (= main_x main_y)), 47541#(or (<= (select main_a main_x) 37) (= main_x main_y)), 47542#(or (<= (select main_a main_x) 38) (= main_x main_y)), 47543#(or (<= (select main_a main_x) 39) (= main_x main_y)), 47544#(or (<= (select main_a main_x) 40) (= main_x main_y)), 47545#(or (<= (select main_a main_x) 41) (= main_x main_y)), 47546#(or (<= (select main_a main_x) 42) (= main_x main_y)), 47547#(or (= main_x main_y) (<= (select main_a main_x) 43)), 47548#(or (= main_x main_y) (<= (select main_a main_x) 44)), 47549#(or (= main_x main_y) (<= (select main_a main_x) 45)), 47550#(or (<= (select main_a main_x) 46) (= main_x main_y)), 47551#(or (<= (select main_a main_x) 47) (= main_x main_y)), 47552#(or (<= (select main_a main_x) 48) (= main_x main_y)), 47553#(or (<= (select main_a main_x) 49) (= main_x main_y)), 47554#(or (<= (select main_a main_x) 50) (= main_x main_y)), 47555#(or (<= (select main_a main_x) 51) (= main_x main_y)), 47556#(or (= main_x main_y) (<= (select main_a main_x) 52)), 47557#(or (<= (select main_a main_x) 53) (= main_x main_y)), 47558#(or (<= (select main_a main_x) 54) (= main_x main_y)), 47559#(or (<= (select main_a main_x) 55) (= main_x main_y)), 47560#(or (= main_x main_y) (<= (select main_a main_x) 56)), 47561#(or (<= (select main_a main_x) 57) (= main_x main_y)), 47562#(or (<= (select main_a main_x) 58) (= main_x main_y)), 47563#(or (= main_x main_y) (<= (select main_a main_x) 59)), 47564#(or (= main_x main_y) (<= (select main_a main_x) 60)), 47565#(or (= main_x main_y) (<= (select main_a main_x) 61)), 47566#(or (<= (select main_a main_x) 62) (= main_x main_y)), 47567#(or (<= (select main_a main_x) 63) (= main_x main_y)), 47568#(or (= main_x main_y) (<= (select main_a main_x) 64)), 47569#(or (<= (select main_a main_x) 65) (= main_x main_y)), 47570#(or (= main_x main_y) (<= (select main_a main_x) 66)), 47571#(or (<= (select main_a main_x) 67) (= main_x main_y)), 47572#(or (= main_x main_y) (<= (select main_a main_x) 68)), 47573#(or (= main_x main_y) (<= (select main_a main_x) 69)), 47574#(or (<= (select main_a main_x) 70) (= main_x main_y)), 47575#(or (<= (select main_a main_x) 71) (= main_x main_y)), 47576#(or (= main_x main_y) (<= (select main_a main_x) 72)), 47577#(or (<= (select main_a main_x) 73) (= main_x main_y)), 47578#(or (= main_x main_y) (<= (select main_a main_x) 74)), 47579#(or (= main_x main_y) (<= (select main_a main_x) 75)), 47580#(or (<= (select main_a main_x) 76) (= main_x main_y)), 47581#(or (<= (select main_a main_x) 77) (= main_x main_y)), 47582#(or (<= (select main_a main_x) 78) (= main_x main_y)), 47583#(or (<= (select main_a main_x) 79) (= main_x main_y)), 47584#(or (<= (select main_a main_x) 80) (= main_x main_y)), 47585#(or (<= (select main_a main_x) 81) (= main_x main_y)), 47586#(or (<= (select main_a main_x) 82) (= main_x main_y)), 47587#(or (= main_x main_y) (<= (select main_a main_x) 83)), 47588#(or (<= (select main_a main_x) 84) (= main_x main_y)), 47589#(or (<= (select main_a main_x) 85) (= main_x main_y)), 47590#(or (<= (select main_a main_x) 86) (= main_x main_y)), 47591#(or (<= (select main_a main_x) 87) (= main_x main_y)), 47592#(or (<= (select main_a main_x) 88) (= main_x main_y)), 47593#(or (<= (select main_a main_x) 89) (= main_x main_y)), 47594#(or (<= (select main_a main_x) 90) (= main_x main_y)), 47595#(or (= main_x main_y) (<= (select main_a main_x) 91)), 47596#(or (<= (select main_a main_x) 92) (= main_x main_y)), 47597#(or (<= (select main_a main_x) 93) (= main_x main_y)), 47598#(or (= main_x main_y) (<= (select main_a main_x) 94)), 47599#(or (<= (select main_a main_x) 95) (= main_x main_y)), 47600#(or (<= (select main_a main_x) 96) (= main_x main_y)), 47601#(or (= main_x main_y) (<= (select main_a main_x) 97)), 47602#(or (<= (select main_a main_x) 98) (= main_x main_y)), 47603#(or (<= (select main_a main_x) 99) (= main_x main_y)), 47604#(or (<= (select main_a main_x) 100) (= main_x main_y)), 47605#(or (<= (select main_a main_x) 101) (= main_x main_y)), 47606#(or (= main_x main_y) (<= (select main_a main_x) 102)), 47607#(or (<= (select main_a main_x) 103) (= main_x main_y)), 47608#(or (<= (select main_a main_x) 104) (= main_x main_y)), 47609#(or (= main_x main_y) (<= (select main_a main_x) 105)), 47610#(or (= main_x main_y) (<= (select main_a main_x) 106)), 47611#(or (<= (select main_a main_x) 107) (= main_x main_y)), 47612#(or (<= (select main_a main_x) 108) (= main_x main_y)), 47613#(or (= main_x main_y) (<= (select main_a main_x) 109)), 47614#(or (= main_x main_y) (<= (select main_a main_x) 110)), 47615#(or (<= (select main_a main_x) 111) (= main_x main_y))] [2018-07-23 13:57:18,409 INFO L134 CoverageAnalysis]: Checked inductivity of 8911 backedges. 0 proven. 8911 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-07-23 13:57:18,409 INFO L450 AbstractCegarLoop]: Interpolant automaton has 136 states [2018-07-23 13:57:18,411 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 136 interpolants. [2018-07-23 13:57:18,412 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=9180, Invalid=9180, Unknown=0, NotChecked=0, Total=18360 [2018-07-23 13:57:18,412 INFO L87 Difference]: Start difference. First operand 137 states and 137 transitions. Second operand 136 states. [2018-07-23 13:57:18,593 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-07-23 13:57:18,594 INFO L93 Difference]: Finished difference Result 140 states and 140 transitions. [2018-07-23 13:57:18,594 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 136 states. [2018-07-23 13:57:18,594 INFO L78 Accepts]: Start accepts. Automaton has 136 states. Word has length 136 [2018-07-23 13:57:18,594 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-07-23 13:57:18,594 INFO L225 Difference]: With dead ends: 140 [2018-07-23 13:57:18,595 INFO L226 Difference]: Without dead ends: 138 [2018-07-23 13:57:18,596 INFO L575 BasicCegarLoop]: 0 DeclaredPredicates, 135 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 134 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.9s TimeCoverageRelationStatistics Valid=9180, Invalid=9180, Unknown=0, NotChecked=0, Total=18360 [2018-07-23 13:57:18,596 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 138 states. [2018-07-23 13:57:18,606 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 138 to 138. [2018-07-23 13:57:18,607 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 138 states. [2018-07-23 13:57:18,607 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 138 states to 138 states and 138 transitions. [2018-07-23 13:57:18,607 INFO L78 Accepts]: Start accepts. Automaton has 138 states and 138 transitions. Word has length 136 [2018-07-23 13:57:18,607 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-07-23 13:57:18,607 INFO L471 AbstractCegarLoop]: Abstraction has 138 states and 138 transitions. [2018-07-23 13:57:18,607 INFO L472 AbstractCegarLoop]: Interpolant automaton has 136 states. [2018-07-23 13:57:18,607 INFO L276 IsEmpty]: Start isEmpty. Operand 138 states and 138 transitions. [2018-07-23 13:57:18,608 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 138 [2018-07-23 13:57:18,608 INFO L349 BasicCegarLoop]: Found error trace [2018-07-23 13:57:18,608 INFO L357 BasicCegarLoop]: trace histogram [134, 1, 1, 1] [2018-07-23 13:57:18,608 INFO L414 AbstractCegarLoop]: === Iteration 135 === [mainErr0AssertViolationASSERT]=== [2018-07-23 13:57:18,609 INFO L82 PathProgramCache]: Analyzing trace with hash -920132704, now seen corresponding path program 134 times [2018-07-23 13:57:18,609 INFO L69 tionRefinementEngine]: Using refinement strategy FixedRefinementStrategy [2018-07-23 13:57:18,739 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-07-23 13:57:19,919 INFO L134 CoverageAnalysis]: Checked inductivity of 9045 backedges. 0 proven. 9045 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-07-23 13:57:19,919 INFO L309 seRefinementStrategy]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2018-07-23 13:57:19,919 INFO L324 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [136] total 136 [2018-07-23 13:57:19,919 INFO L142 lantAutomatonBuilder]: Constructing canonical interpolant automaton, with selfloop in false state [2018-07-23 13:57:19,919 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-07-23 13:57:19,920 INFO L185 omatonBuilderFactory]: Interpolants [48194#true, 48195#false, 48196#(or (= 0 (select main_a main_x)) (= main_x main_y)), 48197#(or (<= (select main_a main_x) 1) (= main_x main_y)), 48198#(or (= main_x main_y) (<= (select main_a main_x) 2)), 48199#(or (= main_x main_y) (<= (select main_a main_x) 3)), 48200#(or (<= (select main_a main_x) 4) (= main_x main_y)), 48201#(or (<= (select main_a main_x) 5) (= main_x main_y)), 48202#(or (<= (select main_a main_x) 6) (= main_x main_y)), 48203#(or (<= (select main_a main_x) 7) (= main_x main_y)), 48204#(or (<= (select main_a main_x) 8) (= main_x main_y)), 48205#(or (= main_x main_y) (<= (select main_a main_x) 9)), 48206#(or (= main_x main_y) (<= (select main_a main_x) 10)), 48207#(or (= main_x main_y) (<= (select main_a main_x) 11)), 48208#(or (<= (select main_a main_x) 12) (= main_x main_y)), 48209#(or (= main_x main_y) (<= (select main_a main_x) 13)), 48210#(or (<= (select main_a main_x) 14) (= main_x main_y)), 48211#(or (<= (select main_a main_x) 15) (= main_x main_y)), 48212#(or (<= (select main_a main_x) 16) (= main_x main_y)), 48213#(or (= main_x main_y) (<= (select main_a main_x) 17)), 48214#(or (<= (select main_a main_x) 18) (= main_x main_y)), 48215#(or (<= (select main_a main_x) 19) (= main_x main_y)), 48216#(or (= main_x main_y) (<= (select main_a main_x) 20)), 48217#(or (<= (select main_a main_x) 21) (= main_x main_y)), 48218#(or (= main_x main_y) (<= (select main_a main_x) 22)), 48219#(or (= main_x main_y) (<= (select main_a main_x) 23)), 48220#(or (<= (select main_a main_x) 24) (= main_x main_y)), 48221#(or (= main_x main_y) (<= (select main_a main_x) 25)), 48222#(or (<= (select main_a main_x) 26) (= main_x main_y)), 48223#(or (<= (select main_a main_x) 27) (= main_x main_y)), 48224#(or (<= (select main_a main_x) 28) (= main_x main_y)), 48225#(or (<= (select main_a main_x) 29) (= main_x main_y)), 48226#(or (= main_x main_y) (<= (select main_a main_x) 30)), 48227#(or (<= (select main_a main_x) 31) (= main_x main_y)), 48228#(or (<= (select main_a main_x) 32) (= main_x main_y)), 48229#(or (<= (select main_a main_x) 33) (= main_x main_y)), 48230#(or (<= (select main_a main_x) 34) (= main_x main_y)), 48231#(or (<= (select main_a main_x) 35) (= main_x main_y)), 48232#(or (<= (select main_a main_x) 36) (= main_x main_y)), 48233#(or (<= (select main_a main_x) 37) (= main_x main_y)), 48234#(or (<= (select main_a main_x) 38) (= main_x main_y)), 48235#(or (<= (select main_a main_x) 39) (= main_x main_y)), 48236#(or (<= (select main_a main_x) 40) (= main_x main_y)), 48237#(or (<= (select main_a main_x) 41) (= main_x main_y)), 48238#(or (<= (select main_a main_x) 42) (= main_x main_y)), 48239#(or (= main_x main_y) (<= (select main_a main_x) 43)), 48240#(or (= main_x main_y) (<= (select main_a main_x) 44)), 48241#(or (= main_x main_y) (<= (select main_a main_x) 45)), 48242#(or (<= (select main_a main_x) 46) (= main_x main_y)), 48243#(or (<= (select main_a main_x) 47) (= main_x main_y)), 48244#(or (<= (select main_a main_x) 48) (= main_x main_y)), 48245#(or (<= (select main_a main_x) 49) (= main_x main_y)), 48246#(or (<= (select main_a main_x) 50) (= main_x main_y)), 48247#(or (<= (select main_a main_x) 51) (= main_x main_y)), 48248#(or (= main_x main_y) (<= (select main_a main_x) 52)), 48249#(or (<= (select main_a main_x) 53) (= main_x main_y)), 48250#(or (<= (select main_a main_x) 54) (= main_x main_y)), 48251#(or (<= (select main_a main_x) 55) (= main_x main_y)), 48252#(or (= main_x main_y) (<= (select main_a main_x) 56)), 48253#(or (<= (select main_a main_x) 57) (= main_x main_y)), 48254#(or (<= (select main_a main_x) 58) (= main_x main_y)), 48255#(or (= main_x main_y) (<= (select main_a main_x) 59)), 48256#(or (= main_x main_y) (<= (select main_a main_x) 60)), 48257#(or (= main_x main_y) (<= (select main_a main_x) 61)), 48258#(or (<= (select main_a main_x) 62) (= main_x main_y)), 48259#(or (<= (select main_a main_x) 63) (= main_x main_y)), 48260#(or (= main_x main_y) (<= (select main_a main_x) 64)), 48261#(or (<= (select main_a main_x) 65) (= main_x main_y)), 48262#(or (= main_x main_y) (<= (select main_a main_x) 66)), 48263#(or (<= (select main_a main_x) 67) (= main_x main_y)), 48264#(or (= main_x main_y) (<= (select main_a main_x) 68)), 48265#(or (= main_x main_y) (<= (select main_a main_x) 69)), 48266#(or (<= (select main_a main_x) 70) (= main_x main_y)), 48267#(or (<= (select main_a main_x) 71) (= main_x main_y)), 48268#(or (= main_x main_y) (<= (select main_a main_x) 72)), 48269#(or (<= (select main_a main_x) 73) (= main_x main_y)), 48270#(or (= main_x main_y) (<= (select main_a main_x) 74)), 48271#(or (= main_x main_y) (<= (select main_a main_x) 75)), 48272#(or (<= (select main_a main_x) 76) (= main_x main_y)), 48273#(or (<= (select main_a main_x) 77) (= main_x main_y)), 48274#(or (<= (select main_a main_x) 78) (= main_x main_y)), 48275#(or (<= (select main_a main_x) 79) (= main_x main_y)), 48276#(or (<= (select main_a main_x) 80) (= main_x main_y)), 48277#(or (<= (select main_a main_x) 81) (= main_x main_y)), 48278#(or (<= (select main_a main_x) 82) (= main_x main_y)), 48279#(or (= main_x main_y) (<= (select main_a main_x) 83)), 48280#(or (<= (select main_a main_x) 84) (= main_x main_y)), 48281#(or (<= (select main_a main_x) 85) (= main_x main_y)), 48282#(or (<= (select main_a main_x) 86) (= main_x main_y)), 48283#(or (<= (select main_a main_x) 87) (= main_x main_y)), 48284#(or (<= (select main_a main_x) 88) (= main_x main_y)), 48285#(or (<= (select main_a main_x) 89) (= main_x main_y)), 48286#(or (<= (select main_a main_x) 90) (= main_x main_y)), 48287#(or (= main_x main_y) (<= (select main_a main_x) 91)), 48288#(or (<= (select main_a main_x) 92) (= main_x main_y)), 48289#(or (<= (select main_a main_x) 93) (= main_x main_y)), 48290#(or (= main_x main_y) (<= (select main_a main_x) 94)), 48291#(or (<= (select main_a main_x) 95) (= main_x main_y)), 48292#(or (<= (select main_a main_x) 96) (= main_x main_y)), 48293#(or (= main_x main_y) (<= (select main_a main_x) 97)), 48294#(or (<= (select main_a main_x) 98) (= main_x main_y)), 48295#(or (<= (select main_a main_x) 99) (= main_x main_y)), 48296#(or (<= (select main_a main_x) 100) (= main_x main_y)), 48297#(or (<= (select main_a main_x) 101) (= main_x main_y)), 48298#(or (= main_x main_y) (<= (select main_a main_x) 102)), 48299#(or (<= (select main_a main_x) 103) (= main_x main_y)), 48300#(or (<= (select main_a main_x) 104) (= main_x main_y)), 48301#(or (= main_x main_y) (<= (select main_a main_x) 105)), 48302#(or (= main_x main_y) (<= (select main_a main_x) 106)), 48303#(or (<= (select main_a main_x) 107) (= main_x main_y)), 48304#(or (<= (select main_a main_x) 108) (= main_x main_y)), 48305#(or (= main_x main_y) (<= (select main_a main_x) 109)), 48306#(or (= main_x main_y) (<= (select main_a main_x) 110)), 48307#(or (<= (select main_a main_x) 111) (= main_x main_y)), 48308#(or (<= (select main_a main_x) 112) (= main_x main_y)), 48309#(or (<= (select main_a main_x) 113) (= main_x main_y)), 48310#(or (= main_x main_y) (<= (select main_a main_x) 114)), 48311#(or (= main_x main_y) (<= (select main_a main_x) 115)), 48312#(or (<= (select main_a main_x) 116) (= main_x main_y)), 48313#(or (<= (select main_a main_x) 117) (= main_x main_y)), 48314#(or (= main_x main_y) (<= (select main_a main_x) 118)), 48315#(or (= main_x main_y) (<= (select main_a main_x) 119)), 48316#(or (<= (select main_a main_x) 120) (= main_x main_y)), 48317#(or (= main_x main_y) (<= (select main_a main_x) 121)), 48318#(or (<= (select main_a main_x) 122) (= main_x main_y)), 48319#(or (= main_x main_y) (<= (select main_a main_x) 123)), 48320#(or (= main_x main_y) (<= (select main_a main_x) 124)), 48321#(or (<= (select main_a main_x) 125) (= main_x main_y)), 48322#(or (= main_x main_y) (<= (select main_a main_x) 126)), 48323#(or (<= (select main_a main_x) 127) (= main_x main_y)), 48324#(or (= main_x main_y) (<= (select main_a main_x) 128)), 48325#(or (= main_x main_y) (<= (select main_a main_x) 129)), 48326#(or (= main_x main_y) (<= (select main_a main_x) 130)), 48327#(or (<= (select main_a main_x) 131) (= main_x main_y)), 48328#(or (<= (select main_a main_x) 132) (= main_x main_y)), 48329#(or (= main_x main_y) (<= (select main_a main_x) 133)), 48330#(or (not (= (select main_a main_x) 1000)) (= main_x main_y))] [2018-07-23 13:57:19,921 INFO L134 CoverageAnalysis]: Checked inductivity of 9045 backedges. 0 proven. 9045 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-07-23 13:57:19,921 INFO L450 AbstractCegarLoop]: Interpolant automaton has 137 states [2018-07-23 13:57:19,922 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 137 interpolants. [2018-07-23 13:57:19,923 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=9316, Invalid=9316, Unknown=0, NotChecked=0, Total=18632 [2018-07-23 13:57:19,923 INFO L87 Difference]: Start difference. First operand 138 states and 138 transitions. Second operand 137 states. [2018-07-23 13:57:20,199 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-07-23 13:57:20,199 INFO L93 Difference]: Finished difference Result 141 states and 141 transitions. [2018-07-23 13:57:20,199 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 137 states. [2018-07-23 13:57:20,199 INFO L78 Accepts]: Start accepts. Automaton has 137 states. Word has length 137 [2018-07-23 13:57:20,200 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-07-23 13:57:20,200 INFO L225 Difference]: With dead ends: 141 [2018-07-23 13:57:20,200 INFO L226 Difference]: Without dead ends: 139 [2018-07-23 13:57:20,201 INFO L575 BasicCegarLoop]: 0 DeclaredPredicates, 136 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 135 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 1.0s TimeCoverageRelationStatistics Valid=9316, Invalid=9316, Unknown=0, NotChecked=0, Total=18632 [2018-07-23 13:57:20,201 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 139 states. [2018-07-23 13:57:20,208 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 139 to 139. [2018-07-23 13:57:20,208 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 139 states. [2018-07-23 13:57:20,209 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 139 states to 139 states and 139 transitions. [2018-07-23 13:57:20,209 INFO L78 Accepts]: Start accepts. Automaton has 139 states and 139 transitions. Word has length 137 [2018-07-23 13:57:20,209 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-07-23 13:57:20,209 INFO L471 AbstractCegarLoop]: Abstraction has 139 states and 139 transitions. [2018-07-23 13:57:20,209 INFO L472 AbstractCegarLoop]: Interpolant automaton has 137 states. [2018-07-23 13:57:20,209 INFO L276 IsEmpty]: Start isEmpty. Operand 139 states and 139 transitions. [2018-07-23 13:57:20,209 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 139 [2018-07-23 13:57:20,210 INFO L349 BasicCegarLoop]: Found error trace [2018-07-23 13:57:20,210 INFO L357 BasicCegarLoop]: trace histogram [135, 1, 1, 1] [2018-07-23 13:57:20,210 INFO L414 AbstractCegarLoop]: === Iteration 136 === [mainErr0AssertViolationASSERT]=== [2018-07-23 13:57:20,210 INFO L82 PathProgramCache]: Analyzing trace with hash 1540653382, now seen corresponding path program 135 times [2018-07-23 13:57:20,210 INFO L69 tionRefinementEngine]: Using refinement strategy FixedRefinementStrategy [2018-07-23 13:57:20,335 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-07-23 13:57:21,466 INFO L134 CoverageAnalysis]: Checked inductivity of 9180 backedges. 0 proven. 9180 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-07-23 13:57:21,466 INFO L309 seRefinementStrategy]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2018-07-23 13:57:21,466 INFO L324 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [137] total 137 [2018-07-23 13:57:21,466 INFO L142 lantAutomatonBuilder]: Constructing canonical interpolant automaton, with selfloop in false state [2018-07-23 13:57:21,467 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-07-23 13:57:21,467 INFO L185 omatonBuilderFactory]: Interpolants [48896#(or (= main_x main_y) (<= (select main_a main_x) 3)), 48897#(or (<= (select main_a main_x) 4) (= main_x main_y)), 48898#(or (<= (select main_a main_x) 5) (= main_x main_y)), 48899#(or (<= (select main_a main_x) 6) (= main_x main_y)), 48900#(or (<= (select main_a main_x) 7) (= main_x main_y)), 48901#(or (<= (select main_a main_x) 8) (= main_x main_y)), 48902#(or (= main_x main_y) (<= (select main_a main_x) 9)), 48903#(or (= main_x main_y) (<= (select main_a main_x) 10)), 48904#(or (= main_x main_y) (<= (select main_a main_x) 11)), 48905#(or (<= (select main_a main_x) 12) (= main_x main_y)), 48906#(or (= main_x main_y) (<= (select main_a main_x) 13)), 48907#(or (<= (select main_a main_x) 14) (= main_x main_y)), 48908#(or (<= (select main_a main_x) 15) (= main_x main_y)), 48909#(or (<= (select main_a main_x) 16) (= main_x main_y)), 48910#(or (= main_x main_y) (<= (select main_a main_x) 17)), 48911#(or (<= (select main_a main_x) 18) (= main_x main_y)), 48912#(or (<= (select main_a main_x) 19) (= main_x main_y)), 48913#(or (= main_x main_y) (<= (select main_a main_x) 20)), 48914#(or (<= (select main_a main_x) 21) (= main_x main_y)), 48915#(or (= main_x main_y) (<= (select main_a main_x) 22)), 48916#(or (= main_x main_y) (<= (select main_a main_x) 23)), 48917#(or (<= (select main_a main_x) 24) (= main_x main_y)), 48918#(or (= main_x main_y) (<= (select main_a main_x) 25)), 48919#(or (<= (select main_a main_x) 26) (= main_x main_y)), 48920#(or (<= (select main_a main_x) 27) (= main_x main_y)), 48921#(or (<= (select main_a main_x) 28) (= main_x main_y)), 48922#(or (<= (select main_a main_x) 29) (= main_x main_y)), 48923#(or (= main_x main_y) (<= (select main_a main_x) 30)), 48924#(or (<= (select main_a main_x) 31) (= main_x main_y)), 48925#(or (<= (select main_a main_x) 32) (= main_x main_y)), 48926#(or (<= (select main_a main_x) 33) (= main_x main_y)), 48927#(or (<= (select main_a main_x) 34) (= main_x main_y)), 48928#(or (<= (select main_a main_x) 35) (= main_x main_y)), 48929#(or (<= (select main_a main_x) 36) (= main_x main_y)), 48930#(or (<= (select main_a main_x) 37) (= main_x main_y)), 48931#(or (<= (select main_a main_x) 38) (= main_x main_y)), 48932#(or (<= (select main_a main_x) 39) (= main_x main_y)), 48933#(or (<= (select main_a main_x) 40) (= main_x main_y)), 48934#(or (<= (select main_a main_x) 41) (= main_x main_y)), 48935#(or (<= (select main_a main_x) 42) (= main_x main_y)), 48936#(or (= main_x main_y) (<= (select main_a main_x) 43)), 48937#(or (= main_x main_y) (<= (select main_a main_x) 44)), 48938#(or (= main_x main_y) (<= (select main_a main_x) 45)), 48939#(or (<= (select main_a main_x) 46) (= main_x main_y)), 48940#(or (<= (select main_a main_x) 47) (= main_x main_y)), 48941#(or (<= (select main_a main_x) 48) (= main_x main_y)), 48942#(or (<= (select main_a main_x) 49) (= main_x main_y)), 48943#(or (<= (select main_a main_x) 50) (= main_x main_y)), 48944#(or (<= (select main_a main_x) 51) (= main_x main_y)), 48945#(or (= main_x main_y) (<= (select main_a main_x) 52)), 48946#(or (<= (select main_a main_x) 53) (= main_x main_y)), 48947#(or (<= (select main_a main_x) 54) (= main_x main_y)), 48948#(or (<= (select main_a main_x) 55) (= main_x main_y)), 48949#(or (= main_x main_y) (<= (select main_a main_x) 56)), 48950#(or (<= (select main_a main_x) 57) (= main_x main_y)), 48951#(or (<= (select main_a main_x) 58) (= main_x main_y)), 48952#(or (= main_x main_y) (<= (select main_a main_x) 59)), 48953#(or (= main_x main_y) (<= (select main_a main_x) 60)), 48954#(or (= main_x main_y) (<= (select main_a main_x) 61)), 48955#(or (<= (select main_a main_x) 62) (= main_x main_y)), 48956#(or (<= (select main_a main_x) 63) (= main_x main_y)), 48957#(or (= main_x main_y) (<= (select main_a main_x) 64)), 48958#(or (<= (select main_a main_x) 65) (= main_x main_y)), 48959#(or (= main_x main_y) (<= (select main_a main_x) 66)), 48960#(or (<= (select main_a main_x) 67) (= main_x main_y)), 48961#(or (= main_x main_y) (<= (select main_a main_x) 68)), 48962#(or (= main_x main_y) (<= (select main_a main_x) 69)), 48963#(or (<= (select main_a main_x) 70) (= main_x main_y)), 48964#(or (<= (select main_a main_x) 71) (= main_x main_y)), 48965#(or (= main_x main_y) (<= (select main_a main_x) 72)), 48966#(or (<= (select main_a main_x) 73) (= main_x main_y)), 48967#(or (= main_x main_y) (<= (select main_a main_x) 74)), 48968#(or (= main_x main_y) (<= (select main_a main_x) 75)), 48969#(or (<= (select main_a main_x) 76) (= main_x main_y)), 48970#(or (<= (select main_a main_x) 77) (= main_x main_y)), 48971#(or (<= (select main_a main_x) 78) (= main_x main_y)), 48972#(or (<= (select main_a main_x) 79) (= main_x main_y)), 48973#(or (<= (select main_a main_x) 80) (= main_x main_y)), 48974#(or (<= (select main_a main_x) 81) (= main_x main_y)), 48975#(or (<= (select main_a main_x) 82) (= main_x main_y)), 48976#(or (= main_x main_y) (<= (select main_a main_x) 83)), 48977#(or (<= (select main_a main_x) 84) (= main_x main_y)), 48978#(or (<= (select main_a main_x) 85) (= main_x main_y)), 48979#(or (<= (select main_a main_x) 86) (= main_x main_y)), 48980#(or (<= (select main_a main_x) 87) (= main_x main_y)), 48981#(or (<= (select main_a main_x) 88) (= main_x main_y)), 48982#(or (<= (select main_a main_x) 89) (= main_x main_y)), 48983#(or (<= (select main_a main_x) 90) (= main_x main_y)), 48984#(or (= main_x main_y) (<= (select main_a main_x) 91)), 48985#(or (<= (select main_a main_x) 92) (= main_x main_y)), 48986#(or (<= (select main_a main_x) 93) (= main_x main_y)), 48987#(or (= main_x main_y) (<= (select main_a main_x) 94)), 48988#(or (<= (select main_a main_x) 95) (= main_x main_y)), 48989#(or (<= (select main_a main_x) 96) (= main_x main_y)), 48990#(or (= main_x main_y) (<= (select main_a main_x) 97)), 48991#(or (<= (select main_a main_x) 98) (= main_x main_y)), 48992#(or (<= (select main_a main_x) 99) (= main_x main_y)), 48993#(or (<= (select main_a main_x) 100) (= main_x main_y)), 48994#(or (<= (select main_a main_x) 101) (= main_x main_y)), 48995#(or (= main_x main_y) (<= (select main_a main_x) 102)), 48996#(or (<= (select main_a main_x) 103) (= main_x main_y)), 48997#(or (<= (select main_a main_x) 104) (= main_x main_y)), 48998#(or (= main_x main_y) (<= (select main_a main_x) 105)), 48999#(or (= main_x main_y) (<= (select main_a main_x) 106)), 49000#(or (<= (select main_a main_x) 107) (= main_x main_y)), 49001#(or (<= (select main_a main_x) 108) (= main_x main_y)), 49002#(or (= main_x main_y) (<= (select main_a main_x) 109)), 49003#(or (= main_x main_y) (<= (select main_a main_x) 110)), 49004#(or (<= (select main_a main_x) 111) (= main_x main_y)), 49005#(or (<= (select main_a main_x) 112) (= main_x main_y)), 49006#(or (<= (select main_a main_x) 113) (= main_x main_y)), 49007#(or (= main_x main_y) (<= (select main_a main_x) 114)), 49008#(or (= main_x main_y) (<= (select main_a main_x) 115)), 49009#(or (<= (select main_a main_x) 116) (= main_x main_y)), 49010#(or (<= (select main_a main_x) 117) (= main_x main_y)), 49011#(or (= main_x main_y) (<= (select main_a main_x) 118)), 49012#(or (= main_x main_y) (<= (select main_a main_x) 119)), 49013#(or (<= (select main_a main_x) 120) (= main_x main_y)), 49014#(or (= main_x main_y) (<= (select main_a main_x) 121)), 49015#(or (<= (select main_a main_x) 122) (= main_x main_y)), 49016#(or (= main_x main_y) (<= (select main_a main_x) 123)), 49017#(or (= main_x main_y) (<= (select main_a main_x) 124)), 49018#(or (<= (select main_a main_x) 125) (= main_x main_y)), 49019#(or (= main_x main_y) (<= (select main_a main_x) 126)), 49020#(or (<= (select main_a main_x) 127) (= main_x main_y)), 49021#(or (= main_x main_y) (<= (select main_a main_x) 128)), 49022#(or (= main_x main_y) (<= (select main_a main_x) 129)), 49023#(or (= main_x main_y) (<= (select main_a main_x) 130)), 49024#(or (<= (select main_a main_x) 131) (= main_x main_y)), 49025#(or (<= (select main_a main_x) 132) (= main_x main_y)), 49026#(or (= main_x main_y) (<= (select main_a main_x) 133)), 49027#(or (= main_x main_y) (<= (select main_a main_x) 134)), 49028#(or (not (= (select main_a main_x) 1000)) (= main_x main_y)), 48891#true, 48892#false, 48893#(or (= 0 (select main_a main_x)) (= main_x main_y)), 48894#(or (<= (select main_a main_x) 1) (= main_x main_y)), 48895#(or (= main_x main_y) (<= (select main_a main_x) 2))] [2018-07-23 13:57:21,467 INFO L134 CoverageAnalysis]: Checked inductivity of 9180 backedges. 0 proven. 9180 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-07-23 13:57:21,468 INFO L450 AbstractCegarLoop]: Interpolant automaton has 138 states [2018-07-23 13:57:21,469 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 138 interpolants. [2018-07-23 13:57:21,470 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=9453, Invalid=9453, Unknown=0, NotChecked=0, Total=18906 [2018-07-23 13:57:21,470 INFO L87 Difference]: Start difference. First operand 139 states and 139 transitions. Second operand 138 states. [2018-07-23 13:57:21,792 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-07-23 13:57:21,792 INFO L93 Difference]: Finished difference Result 142 states and 142 transitions. [2018-07-23 13:57:21,792 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 138 states. [2018-07-23 13:57:21,792 INFO L78 Accepts]: Start accepts. Automaton has 138 states. Word has length 138 [2018-07-23 13:57:21,793 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-07-23 13:57:21,793 INFO L225 Difference]: With dead ends: 142 [2018-07-23 13:57:21,793 INFO L226 Difference]: Without dead ends: 140 [2018-07-23 13:57:21,794 INFO L575 BasicCegarLoop]: 0 DeclaredPredicates, 137 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 136 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.9s TimeCoverageRelationStatistics Valid=9453, Invalid=9453, Unknown=0, NotChecked=0, Total=18906 [2018-07-23 13:57:21,794 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 140 states. [2018-07-23 13:57:21,801 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 140 to 140. [2018-07-23 13:57:21,801 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 140 states. [2018-07-23 13:57:21,801 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 140 states to 140 states and 140 transitions. [2018-07-23 13:57:21,801 INFO L78 Accepts]: Start accepts. Automaton has 140 states and 140 transitions. Word has length 138 [2018-07-23 13:57:21,801 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-07-23 13:57:21,801 INFO L471 AbstractCegarLoop]: Abstraction has 140 states and 140 transitions. [2018-07-23 13:57:21,801 INFO L472 AbstractCegarLoop]: Interpolant automaton has 138 states. [2018-07-23 13:57:21,801 INFO L276 IsEmpty]: Start isEmpty. Operand 140 states and 140 transitions. [2018-07-23 13:57:21,802 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 140 [2018-07-23 13:57:21,802 INFO L349 BasicCegarLoop]: Found error trace [2018-07-23 13:57:21,802 INFO L357 BasicCegarLoop]: trace histogram [136, 1, 1, 1] [2018-07-23 13:57:21,802 INFO L414 AbstractCegarLoop]: === Iteration 137 === [mainErr0AssertViolationASSERT]=== [2018-07-23 13:57:21,802 INFO L82 PathProgramCache]: Analyzing trace with hash 515610720, now seen corresponding path program 136 times [2018-07-23 13:57:21,802 INFO L69 tionRefinementEngine]: Using refinement strategy FixedRefinementStrategy [2018-07-23 13:57:21,930 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-07-23 13:57:23,047 INFO L134 CoverageAnalysis]: Checked inductivity of 9316 backedges. 0 proven. 9316 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-07-23 13:57:23,047 INFO L309 seRefinementStrategy]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2018-07-23 13:57:23,047 INFO L324 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [138] total 138 [2018-07-23 13:57:23,048 INFO L142 lantAutomatonBuilder]: Constructing canonical interpolant automaton, with selfloop in false state [2018-07-23 13:57:23,048 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-07-23 13:57:23,048 INFO L185 omatonBuilderFactory]: Interpolants [49664#(or (= main_x main_y) (<= (select main_a main_x) 69)), 49665#(or (<= (select main_a main_x) 70) (= main_x main_y)), 49666#(or (<= (select main_a main_x) 71) (= main_x main_y)), 49667#(or (= main_x main_y) (<= (select main_a main_x) 72)), 49668#(or (<= (select main_a main_x) 73) (= main_x main_y)), 49669#(or (= main_x main_y) (<= (select main_a main_x) 74)), 49670#(or (= main_x main_y) (<= (select main_a main_x) 75)), 49671#(or (<= (select main_a main_x) 76) (= main_x main_y)), 49672#(or (<= (select main_a main_x) 77) (= main_x main_y)), 49673#(or (<= (select main_a main_x) 78) (= main_x main_y)), 49674#(or (<= (select main_a main_x) 79) (= main_x main_y)), 49675#(or (<= (select main_a main_x) 80) (= main_x main_y)), 49676#(or (<= (select main_a main_x) 81) (= main_x main_y)), 49677#(or (<= (select main_a main_x) 82) (= main_x main_y)), 49678#(or (= main_x main_y) (<= (select main_a main_x) 83)), 49679#(or (<= (select main_a main_x) 84) (= main_x main_y)), 49680#(or (<= (select main_a main_x) 85) (= main_x main_y)), 49681#(or (<= (select main_a main_x) 86) (= main_x main_y)), 49682#(or (<= (select main_a main_x) 87) (= main_x main_y)), 49683#(or (<= (select main_a main_x) 88) (= main_x main_y)), 49684#(or (<= (select main_a main_x) 89) (= main_x main_y)), 49685#(or (<= (select main_a main_x) 90) (= main_x main_y)), 49686#(or (= main_x main_y) (<= (select main_a main_x) 91)), 49687#(or (<= (select main_a main_x) 92) (= main_x main_y)), 49688#(or (<= (select main_a main_x) 93) (= main_x main_y)), 49689#(or (= main_x main_y) (<= (select main_a main_x) 94)), 49690#(or (<= (select main_a main_x) 95) (= main_x main_y)), 49691#(or (<= (select main_a main_x) 96) (= main_x main_y)), 49692#(or (= main_x main_y) (<= (select main_a main_x) 97)), 49693#(or (<= (select main_a main_x) 98) (= main_x main_y)), 49694#(or (<= (select main_a main_x) 99) (= main_x main_y)), 49695#(or (<= (select main_a main_x) 100) (= main_x main_y)), 49696#(or (<= (select main_a main_x) 101) (= main_x main_y)), 49697#(or (= main_x main_y) (<= (select main_a main_x) 102)), 49698#(or (<= (select main_a main_x) 103) (= main_x main_y)), 49699#(or (<= (select main_a main_x) 104) (= main_x main_y)), 49700#(or (= main_x main_y) (<= (select main_a main_x) 105)), 49701#(or (= main_x main_y) (<= (select main_a main_x) 106)), 49702#(or (<= (select main_a main_x) 107) (= main_x main_y)), 49703#(or (<= (select main_a main_x) 108) (= main_x main_y)), 49704#(or (= main_x main_y) (<= (select main_a main_x) 109)), 49705#(or (= main_x main_y) (<= (select main_a main_x) 110)), 49706#(or (<= (select main_a main_x) 111) (= main_x main_y)), 49707#(or (<= (select main_a main_x) 112) (= main_x main_y)), 49708#(or (<= (select main_a main_x) 113) (= main_x main_y)), 49709#(or (= main_x main_y) (<= (select main_a main_x) 114)), 49710#(or (= main_x main_y) (<= (select main_a main_x) 115)), 49711#(or (<= (select main_a main_x) 116) (= main_x main_y)), 49712#(or (<= (select main_a main_x) 117) (= main_x main_y)), 49713#(or (= main_x main_y) (<= (select main_a main_x) 118)), 49714#(or (= main_x main_y) (<= (select main_a main_x) 119)), 49715#(or (<= (select main_a main_x) 120) (= main_x main_y)), 49716#(or (= main_x main_y) (<= (select main_a main_x) 121)), 49717#(or (<= (select main_a main_x) 122) (= main_x main_y)), 49718#(or (= main_x main_y) (<= (select main_a main_x) 123)), 49719#(or (= main_x main_y) (<= (select main_a main_x) 124)), 49720#(or (<= (select main_a main_x) 125) (= main_x main_y)), 49721#(or (= main_x main_y) (<= (select main_a main_x) 126)), 49722#(or (<= (select main_a main_x) 127) (= main_x main_y)), 49723#(or (= main_x main_y) (<= (select main_a main_x) 128)), 49724#(or (= main_x main_y) (<= (select main_a main_x) 129)), 49725#(or (= main_x main_y) (<= (select main_a main_x) 130)), 49726#(or (<= (select main_a main_x) 131) (= main_x main_y)), 49727#(or (<= (select main_a main_x) 132) (= main_x main_y)), 49728#(or (= main_x main_y) (<= (select main_a main_x) 133)), 49729#(or (= main_x main_y) (<= (select main_a main_x) 134)), 49730#(or (= main_x main_y) (<= (select main_a main_x) 135)), 49731#(or (not (= (select main_a main_x) 1000)) (= main_x main_y)), 49593#true, 49594#false, 49595#(or (= 0 (select main_a main_x)) (= main_x main_y)), 49596#(or (<= (select main_a main_x) 1) (= main_x main_y)), 49597#(or (= main_x main_y) (<= (select main_a main_x) 2)), 49598#(or (= main_x main_y) (<= (select main_a main_x) 3)), 49599#(or (<= (select main_a main_x) 4) (= main_x main_y)), 49600#(or (<= (select main_a main_x) 5) (= main_x main_y)), 49601#(or (<= (select main_a main_x) 6) (= main_x main_y)), 49602#(or (<= (select main_a main_x) 7) (= main_x main_y)), 49603#(or (<= (select main_a main_x) 8) (= main_x main_y)), 49604#(or (= main_x main_y) (<= (select main_a main_x) 9)), 49605#(or (= main_x main_y) (<= (select main_a main_x) 10)), 49606#(or (= main_x main_y) (<= (select main_a main_x) 11)), 49607#(or (<= (select main_a main_x) 12) (= main_x main_y)), 49608#(or (= main_x main_y) (<= (select main_a main_x) 13)), 49609#(or (<= (select main_a main_x) 14) (= main_x main_y)), 49610#(or (<= (select main_a main_x) 15) (= main_x main_y)), 49611#(or (<= (select main_a main_x) 16) (= main_x main_y)), 49612#(or (= main_x main_y) (<= (select main_a main_x) 17)), 49613#(or (<= (select main_a main_x) 18) (= main_x main_y)), 49614#(or (<= (select main_a main_x) 19) (= main_x main_y)), 49615#(or (= main_x main_y) (<= (select main_a main_x) 20)), 49616#(or (<= (select main_a main_x) 21) (= main_x main_y)), 49617#(or (= main_x main_y) (<= (select main_a main_x) 22)), 49618#(or (= main_x main_y) (<= (select main_a main_x) 23)), 49619#(or (<= (select main_a main_x) 24) (= main_x main_y)), 49620#(or (= main_x main_y) (<= (select main_a main_x) 25)), 49621#(or (<= (select main_a main_x) 26) (= main_x main_y)), 49622#(or (<= (select main_a main_x) 27) (= main_x main_y)), 49623#(or (<= (select main_a main_x) 28) (= main_x main_y)), 49624#(or (<= (select main_a main_x) 29) (= main_x main_y)), 49625#(or (= main_x main_y) (<= (select main_a main_x) 30)), 49626#(or (<= (select main_a main_x) 31) (= main_x main_y)), 49627#(or (<= (select main_a main_x) 32) (= main_x main_y)), 49628#(or (<= (select main_a main_x) 33) (= main_x main_y)), 49629#(or (<= (select main_a main_x) 34) (= main_x main_y)), 49630#(or (<= (select main_a main_x) 35) (= main_x main_y)), 49631#(or (<= (select main_a main_x) 36) (= main_x main_y)), 49632#(or (<= (select main_a main_x) 37) (= main_x main_y)), 49633#(or (<= (select main_a main_x) 38) (= main_x main_y)), 49634#(or (<= (select main_a main_x) 39) (= main_x main_y)), 49635#(or (<= (select main_a main_x) 40) (= main_x main_y)), 49636#(or (<= (select main_a main_x) 41) (= main_x main_y)), 49637#(or (<= (select main_a main_x) 42) (= main_x main_y)), 49638#(or (= main_x main_y) (<= (select main_a main_x) 43)), 49639#(or (= main_x main_y) (<= (select main_a main_x) 44)), 49640#(or (= main_x main_y) (<= (select main_a main_x) 45)), 49641#(or (<= (select main_a main_x) 46) (= main_x main_y)), 49642#(or (<= (select main_a main_x) 47) (= main_x main_y)), 49643#(or (<= (select main_a main_x) 48) (= main_x main_y)), 49644#(or (<= (select main_a main_x) 49) (= main_x main_y)), 49645#(or (<= (select main_a main_x) 50) (= main_x main_y)), 49646#(or (<= (select main_a main_x) 51) (= main_x main_y)), 49647#(or (= main_x main_y) (<= (select main_a main_x) 52)), 49648#(or (<= (select main_a main_x) 53) (= main_x main_y)), 49649#(or (<= (select main_a main_x) 54) (= main_x main_y)), 49650#(or (<= (select main_a main_x) 55) (= main_x main_y)), 49651#(or (= main_x main_y) (<= (select main_a main_x) 56)), 49652#(or (<= (select main_a main_x) 57) (= main_x main_y)), 49653#(or (<= (select main_a main_x) 58) (= main_x main_y)), 49654#(or (= main_x main_y) (<= (select main_a main_x) 59)), 49655#(or (= main_x main_y) (<= (select main_a main_x) 60)), 49656#(or (= main_x main_y) (<= (select main_a main_x) 61)), 49657#(or (<= (select main_a main_x) 62) (= main_x main_y)), 49658#(or (<= (select main_a main_x) 63) (= main_x main_y)), 49659#(or (= main_x main_y) (<= (select main_a main_x) 64)), 49660#(or (<= (select main_a main_x) 65) (= main_x main_y)), 49661#(or (= main_x main_y) (<= (select main_a main_x) 66)), 49662#(or (<= (select main_a main_x) 67) (= main_x main_y)), 49663#(or (= main_x main_y) (<= (select main_a main_x) 68))] [2018-07-23 13:57:23,049 INFO L134 CoverageAnalysis]: Checked inductivity of 9316 backedges. 0 proven. 9316 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-07-23 13:57:23,049 INFO L450 AbstractCegarLoop]: Interpolant automaton has 139 states [2018-07-23 13:57:23,050 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 139 interpolants. [2018-07-23 13:57:23,051 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=9591, Invalid=9591, Unknown=0, NotChecked=0, Total=19182 [2018-07-23 13:57:23,051 INFO L87 Difference]: Start difference. First operand 140 states and 140 transitions. Second operand 139 states. [2018-07-23 13:57:23,186 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-07-23 13:57:23,187 INFO L93 Difference]: Finished difference Result 143 states and 143 transitions. [2018-07-23 13:57:23,187 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 139 states. [2018-07-23 13:57:23,187 INFO L78 Accepts]: Start accepts. Automaton has 139 states. Word has length 139 [2018-07-23 13:57:23,187 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-07-23 13:57:23,187 INFO L225 Difference]: With dead ends: 143 [2018-07-23 13:57:23,187 INFO L226 Difference]: Without dead ends: 141 [2018-07-23 13:57:23,188 INFO L575 BasicCegarLoop]: 0 DeclaredPredicates, 138 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 137 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 1.0s TimeCoverageRelationStatistics Valid=9591, Invalid=9591, Unknown=0, NotChecked=0, Total=19182 [2018-07-23 13:57:23,188 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 141 states. [2018-07-23 13:57:23,196 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 141 to 141. [2018-07-23 13:57:23,196 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 141 states. [2018-07-23 13:57:23,196 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 141 states to 141 states and 141 transitions. [2018-07-23 13:57:23,196 INFO L78 Accepts]: Start accepts. Automaton has 141 states and 141 transitions. Word has length 139 [2018-07-23 13:57:23,196 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-07-23 13:57:23,196 INFO L471 AbstractCegarLoop]: Abstraction has 141 states and 141 transitions. [2018-07-23 13:57:23,196 INFO L472 AbstractCegarLoop]: Interpolant automaton has 139 states. [2018-07-23 13:57:23,197 INFO L276 IsEmpty]: Start isEmpty. Operand 141 states and 141 transitions. [2018-07-23 13:57:23,197 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 141 [2018-07-23 13:57:23,197 INFO L349 BasicCegarLoop]: Found error trace [2018-07-23 13:57:23,197 INFO L357 BasicCegarLoop]: trace histogram [137, 1, 1, 1] [2018-07-23 13:57:23,197 INFO L414 AbstractCegarLoop]: === Iteration 138 === [mainErr0AssertViolationASSERT]=== [2018-07-23 13:57:23,197 INFO L82 PathProgramCache]: Analyzing trace with hash -1195940730, now seen corresponding path program 137 times [2018-07-23 13:57:23,197 INFO L69 tionRefinementEngine]: Using refinement strategy FixedRefinementStrategy [2018-07-23 13:57:23,352 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-07-23 13:57:24,498 INFO L134 CoverageAnalysis]: Checked inductivity of 9453 backedges. 0 proven. 9453 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-07-23 13:57:24,498 INFO L309 seRefinementStrategy]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2018-07-23 13:57:24,498 INFO L324 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [139] total 139 [2018-07-23 13:57:24,498 INFO L142 lantAutomatonBuilder]: Constructing canonical interpolant automaton, with selfloop in false state [2018-07-23 13:57:24,499 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 13:57:24,499 INFO L185 omatonBuilderFactory]: Interpolants [50432#(or (= main_x main_y) (<= (select main_a main_x) 130)), 50433#(or (<= (select main_a main_x) 131) (= main_x main_y)), 50434#(or (<= (select main_a main_x) 132) (= main_x main_y)), 50435#(or (= main_x main_y) (<= (select main_a main_x) 133)), 50436#(or (= main_x main_y) (<= (select main_a main_x) 134)), 50437#(or (= main_x main_y) (<= (select main_a main_x) 135)), 50438#(or (<= (select main_a main_x) 136) (= main_x main_y)), 50439#(or (not (= (select main_a main_x) 1000)) (= main_x main_y)), 50300#true, 50301#false, 50302#(or (= 0 (select main_a main_x)) (= main_x main_y)), 50303#(or (<= (select main_a main_x) 1) (= main_x main_y)), 50304#(or (= main_x main_y) (<= (select main_a main_x) 2)), 50305#(or (= main_x main_y) (<= (select main_a main_x) 3)), 50306#(or (<= (select main_a main_x) 4) (= main_x main_y)), 50307#(or (<= (select main_a main_x) 5) (= main_x main_y)), 50308#(or (<= (select main_a main_x) 6) (= main_x main_y)), 50309#(or (<= (select main_a main_x) 7) (= main_x main_y)), 50310#(or (<= (select main_a main_x) 8) (= main_x main_y)), 50311#(or (= main_x main_y) (<= (select main_a main_x) 9)), 50312#(or (= main_x main_y) (<= (select main_a main_x) 10)), 50313#(or (= main_x main_y) (<= (select main_a main_x) 11)), 50314#(or (<= (select main_a main_x) 12) (= main_x main_y)), 50315#(or (= main_x main_y) (<= (select main_a main_x) 13)), 50316#(or (<= (select main_a main_x) 14) (= main_x main_y)), 50317#(or (<= (select main_a main_x) 15) (= main_x main_y)), 50318#(or (<= (select main_a main_x) 16) (= main_x main_y)), 50319#(or (= main_x main_y) (<= (select main_a main_x) 17)), 50320#(or (<= (select main_a main_x) 18) (= main_x main_y)), 50321#(or (<= (select main_a main_x) 19) (= main_x main_y)), 50322#(or (= main_x main_y) (<= (select main_a main_x) 20)), 50323#(or (<= (select main_a main_x) 21) (= main_x main_y)), 50324#(or (= main_x main_y) (<= (select main_a main_x) 22)), 50325#(or (= main_x main_y) (<= (select main_a main_x) 23)), 50326#(or (<= (select main_a main_x) 24) (= main_x main_y)), 50327#(or (= main_x main_y) (<= (select main_a main_x) 25)), 50328#(or (<= (select main_a main_x) 26) (= main_x main_y)), 50329#(or (<= (select main_a main_x) 27) (= main_x main_y)), 50330#(or (<= (select main_a main_x) 28) (= main_x main_y)), 50331#(or (<= (select main_a main_x) 29) (= main_x main_y)), 50332#(or (= main_x main_y) (<= (select main_a main_x) 30)), 50333#(or (<= (select main_a main_x) 31) (= main_x main_y)), 50334#(or (<= (select main_a main_x) 32) (= main_x main_y)), 50335#(or (<= (select main_a main_x) 33) (= main_x main_y)), 50336#(or (<= (select main_a main_x) 34) (= main_x main_y)), 50337#(or (<= (select main_a main_x) 35) (= main_x main_y)), 50338#(or (<= (select main_a main_x) 36) (= main_x main_y)), 50339#(or (<= (select main_a main_x) 37) (= main_x main_y)), 50340#(or (<= (select main_a main_x) 38) (= main_x main_y)), 50341#(or (<= (select main_a main_x) 39) (= main_x main_y)), 50342#(or (<= (select main_a main_x) 40) (= main_x main_y)), 50343#(or (<= (select main_a main_x) 41) (= main_x main_y)), 50344#(or (<= (select main_a main_x) 42) (= main_x main_y)), 50345#(or (= main_x main_y) (<= (select main_a main_x) 43)), 50346#(or (= main_x main_y) (<= (select main_a main_x) 44)), 50347#(or (= main_x main_y) (<= (select main_a main_x) 45)), 50348#(or (<= (select main_a main_x) 46) (= main_x main_y)), 50349#(or (<= (select main_a main_x) 47) (= main_x main_y)), 50350#(or (<= (select main_a main_x) 48) (= main_x main_y)), 50351#(or (<= (select main_a main_x) 49) (= main_x main_y)), 50352#(or (<= (select main_a main_x) 50) (= main_x main_y)), 50353#(or (<= (select main_a main_x) 51) (= main_x main_y)), 50354#(or (= main_x main_y) (<= (select main_a main_x) 52)), 50355#(or (<= (select main_a main_x) 53) (= main_x main_y)), 50356#(or (<= (select main_a main_x) 54) (= main_x main_y)), 50357#(or (<= (select main_a main_x) 55) (= main_x main_y)), 50358#(or (= main_x main_y) (<= (select main_a main_x) 56)), 50359#(or (<= (select main_a main_x) 57) (= main_x main_y)), 50360#(or (<= (select main_a main_x) 58) (= main_x main_y)), 50361#(or (= main_x main_y) (<= (select main_a main_x) 59)), 50362#(or (= main_x main_y) (<= (select main_a main_x) 60)), 50363#(or (= main_x main_y) (<= (select main_a main_x) 61)), 50364#(or (<= (select main_a main_x) 62) (= main_x main_y)), 50365#(or (<= (select main_a main_x) 63) (= main_x main_y)), 50366#(or (= main_x main_y) (<= (select main_a main_x) 64)), 50367#(or (<= (select main_a main_x) 65) (= main_x main_y)), 50368#(or (= main_x main_y) (<= (select main_a main_x) 66)), 50369#(or (<= (select main_a main_x) 67) (= main_x main_y)), 50370#(or (= main_x main_y) (<= (select main_a main_x) 68)), 50371#(or (= main_x main_y) (<= (select main_a main_x) 69)), 50372#(or (<= (select main_a main_x) 70) (= main_x main_y)), 50373#(or (<= (select main_a main_x) 71) (= main_x main_y)), 50374#(or (= main_x main_y) (<= (select main_a main_x) 72)), 50375#(or (<= (select main_a main_x) 73) (= main_x main_y)), 50376#(or (= main_x main_y) (<= (select main_a main_x) 74)), 50377#(or (= main_x main_y) (<= (select main_a main_x) 75)), 50378#(or (<= (select main_a main_x) 76) (= main_x main_y)), 50379#(or (<= (select main_a main_x) 77) (= main_x main_y)), 50380#(or (<= (select main_a main_x) 78) (= main_x main_y)), 50381#(or (<= (select main_a main_x) 79) (= main_x main_y)), 50382#(or (<= (select main_a main_x) 80) (= main_x main_y)), 50383#(or (<= (select main_a main_x) 81) (= main_x main_y)), 50384#(or (<= (select main_a main_x) 82) (= main_x main_y)), 50385#(or (= main_x main_y) (<= (select main_a main_x) 83)), 50386#(or (<= (select main_a main_x) 84) (= main_x main_y)), 50387#(or (<= (select main_a main_x) 85) (= main_x main_y)), 50388#(or (<= (select main_a main_x) 86) (= main_x main_y)), 50389#(or (<= (select main_a main_x) 87) (= main_x main_y)), 50390#(or (<= (select main_a main_x) 88) (= main_x main_y)), 50391#(or (<= (select main_a main_x) 89) (= main_x main_y)), 50392#(or (<= (select main_a main_x) 90) (= main_x main_y)), 50393#(or (= main_x main_y) (<= (select main_a main_x) 91)), 50394#(or (<= (select main_a main_x) 92) (= main_x main_y)), 50395#(or (<= (select main_a main_x) 93) (= main_x main_y)), 50396#(or (= main_x main_y) (<= (select main_a main_x) 94)), 50397#(or (<= (select main_a main_x) 95) (= main_x main_y)), 50398#(or (<= (select main_a main_x) 96) (= main_x main_y)), 50399#(or (= main_x main_y) (<= (select main_a main_x) 97)), 50400#(or (<= (select main_a main_x) 98) (= main_x main_y)), 50401#(or (<= (select main_a main_x) 99) (= main_x main_y)), 50402#(or (<= (select main_a main_x) 100) (= main_x main_y)), 50403#(or (<= (select main_a main_x) 101) (= main_x main_y)), 50404#(or (= main_x main_y) (<= (select main_a main_x) 102)), 50405#(or (<= (select main_a main_x) 103) (= main_x main_y)), 50406#(or (<= (select main_a main_x) 104) (= main_x main_y)), 50407#(or (= main_x main_y) (<= (select main_a main_x) 105)), 50408#(or (= main_x main_y) (<= (select main_a main_x) 106)), 50409#(or (<= (select main_a main_x) 107) (= main_x main_y)), 50410#(or (<= (select main_a main_x) 108) (= main_x main_y)), 50411#(or (= main_x main_y) (<= (select main_a main_x) 109)), 50412#(or (= main_x main_y) (<= (select main_a main_x) 110)), 50413#(or (<= (select main_a main_x) 111) (= main_x main_y)), 50414#(or (<= (select main_a main_x) 112) (= main_x main_y)), 50415#(or (<= (select main_a main_x) 113) (= main_x main_y)), 50416#(or (= main_x main_y) (<= (select main_a main_x) 114)), 50417#(or (= main_x main_y) (<= (select main_a main_x) 115)), 50418#(or (<= (select main_a main_x) 116) (= main_x main_y)), 50419#(or (<= (select main_a main_x) 117) (= main_x main_y)), 50420#(or (= main_x main_y) (<= (select main_a main_x) 118)), 50421#(or (= main_x main_y) (<= (select main_a main_x) 119)), 50422#(or (<= (select main_a main_x) 120) (= main_x main_y)), 50423#(or (= main_x main_y) (<= (select main_a main_x) 121)), 50424#(or (<= (select main_a main_x) 122) (= main_x main_y)), 50425#(or (= main_x main_y) (<= (select main_a main_x) 123)), 50426#(or (= main_x main_y) (<= (select main_a main_x) 124)), 50427#(or (<= (select main_a main_x) 125) (= main_x main_y)), 50428#(or (= main_x main_y) (<= (select main_a main_x) 126)), 50429#(or (<= (select main_a main_x) 127) (= main_x main_y)), 50430#(or (= main_x main_y) (<= (select main_a main_x) 128)), 50431#(or (= main_x main_y) (<= (select main_a main_x) 129))] [2018-07-23 13:57:24,500 INFO L134 CoverageAnalysis]: Checked inductivity of 9453 backedges. 0 proven. 9453 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-07-23 13:57:24,500 INFO L450 AbstractCegarLoop]: Interpolant automaton has 140 states [2018-07-23 13:57:24,502 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 140 interpolants. [2018-07-23 13:57:24,503 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=9730, Invalid=9730, Unknown=0, NotChecked=0, Total=19460 [2018-07-23 13:57:24,503 INFO L87 Difference]: Start difference. First operand 141 states and 141 transitions. Second operand 140 states. [2018-07-23 13:57:24,769 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-07-23 13:57:24,769 INFO L93 Difference]: Finished difference Result 144 states and 144 transitions. [2018-07-23 13:57:24,769 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 140 states. [2018-07-23 13:57:24,769 INFO L78 Accepts]: Start accepts. Automaton has 140 states. Word has length 140 [2018-07-23 13:57:24,769 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-07-23 13:57:24,769 INFO L225 Difference]: With dead ends: 144 [2018-07-23 13:57:24,770 INFO L226 Difference]: Without dead ends: 142 [2018-07-23 13:57:24,771 INFO L575 BasicCegarLoop]: 0 DeclaredPredicates, 139 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 138 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 1.0s TimeCoverageRelationStatistics Valid=9730, Invalid=9730, Unknown=0, NotChecked=0, Total=19460 [2018-07-23 13:57:24,772 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 142 states. [2018-07-23 13:57:24,778 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 142 to 142. [2018-07-23 13:57:24,778 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 142 states. [2018-07-23 13:57:24,779 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 142 states to 142 states and 142 transitions. [2018-07-23 13:57:24,779 INFO L78 Accepts]: Start accepts. Automaton has 142 states and 142 transitions. Word has length 140 [2018-07-23 13:57:24,779 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-07-23 13:57:24,779 INFO L471 AbstractCegarLoop]: Abstraction has 142 states and 142 transitions. [2018-07-23 13:57:24,779 INFO L472 AbstractCegarLoop]: Interpolant automaton has 140 states. [2018-07-23 13:57:24,779 INFO L276 IsEmpty]: Start isEmpty. Operand 142 states and 142 transitions. [2018-07-23 13:57:24,779 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 142 [2018-07-23 13:57:24,779 INFO L349 BasicCegarLoop]: Found error trace [2018-07-23 13:57:24,780 INFO L357 BasicCegarLoop]: trace histogram [138, 1, 1, 1] [2018-07-23 13:57:24,780 INFO L414 AbstractCegarLoop]: === Iteration 139 === [mainErr0AssertViolationASSERT]=== [2018-07-23 13:57:24,780 INFO L82 PathProgramCache]: Analyzing trace with hash 1580539168, now seen corresponding path program 138 times [2018-07-23 13:57:24,780 INFO L69 tionRefinementEngine]: Using refinement strategy FixedRefinementStrategy [2018-07-23 13:57:24,914 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-07-23 13:57:26,251 INFO L134 CoverageAnalysis]: Checked inductivity of 9591 backedges. 0 proven. 9591 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-07-23 13:57:26,252 INFO L309 seRefinementStrategy]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2018-07-23 13:57:26,252 INFO L324 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [140] total 140 [2018-07-23 13:57:26,252 INFO L142 lantAutomatonBuilder]: Constructing canonical interpolant automaton, with selfloop in false state [2018-07-23 13:57:26,252 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 13:57:26,253 INFO L185 omatonBuilderFactory]: Interpolants [51012#true, 51013#false, 51014#(or (= 0 (select main_a main_x)) (= main_x main_y)), 51015#(or (<= (select main_a main_x) 1) (= main_x main_y)), 51016#(or (= main_x main_y) (<= (select main_a main_x) 2)), 51017#(or (= main_x main_y) (<= (select main_a main_x) 3)), 51018#(or (<= (select main_a main_x) 4) (= main_x main_y)), 51019#(or (<= (select main_a main_x) 5) (= main_x main_y)), 51020#(or (<= (select main_a main_x) 6) (= main_x main_y)), 51021#(or (<= (select main_a main_x) 7) (= main_x main_y)), 51022#(or (<= (select main_a main_x) 8) (= main_x main_y)), 51023#(or (= main_x main_y) (<= (select main_a main_x) 9)), 51024#(or (= main_x main_y) (<= (select main_a main_x) 10)), 51025#(or (= main_x main_y) (<= (select main_a main_x) 11)), 51026#(or (<= (select main_a main_x) 12) (= main_x main_y)), 51027#(or (= main_x main_y) (<= (select main_a main_x) 13)), 51028#(or (<= (select main_a main_x) 14) (= main_x main_y)), 51029#(or (<= (select main_a main_x) 15) (= main_x main_y)), 51030#(or (<= (select main_a main_x) 16) (= main_x main_y)), 51031#(or (= main_x main_y) (<= (select main_a main_x) 17)), 51032#(or (<= (select main_a main_x) 18) (= main_x main_y)), 51033#(or (<= (select main_a main_x) 19) (= main_x main_y)), 51034#(or (= main_x main_y) (<= (select main_a main_x) 20)), 51035#(or (<= (select main_a main_x) 21) (= main_x main_y)), 51036#(or (= main_x main_y) (<= (select main_a main_x) 22)), 51037#(or (= main_x main_y) (<= (select main_a main_x) 23)), 51038#(or (<= (select main_a main_x) 24) (= main_x main_y)), 51039#(or (= main_x main_y) (<= (select main_a main_x) 25)), 51040#(or (<= (select main_a main_x) 26) (= main_x main_y)), 51041#(or (<= (select main_a main_x) 27) (= main_x main_y)), 51042#(or (<= (select main_a main_x) 28) (= main_x main_y)), 51043#(or (<= (select main_a main_x) 29) (= main_x main_y)), 51044#(or (= main_x main_y) (<= (select main_a main_x) 30)), 51045#(or (<= (select main_a main_x) 31) (= main_x main_y)), 51046#(or (<= (select main_a main_x) 32) (= main_x main_y)), 51047#(or (<= (select main_a main_x) 33) (= main_x main_y)), 51048#(or (<= (select main_a main_x) 34) (= main_x main_y)), 51049#(or (<= (select main_a main_x) 35) (= main_x main_y)), 51050#(or (<= (select main_a main_x) 36) (= main_x main_y)), 51051#(or (<= (select main_a main_x) 37) (= main_x main_y)), 51052#(or (<= (select main_a main_x) 38) (= main_x main_y)), 51053#(or (<= (select main_a main_x) 39) (= main_x main_y)), 51054#(or (<= (select main_a main_x) 40) (= main_x main_y)), 51055#(or (<= (select main_a main_x) 41) (= main_x main_y)), 51056#(or (<= (select main_a main_x) 42) (= main_x main_y)), 51057#(or (= main_x main_y) (<= (select main_a main_x) 43)), 51058#(or (= main_x main_y) (<= (select main_a main_x) 44)), 51059#(or (= main_x main_y) (<= (select main_a main_x) 45)), 51060#(or (<= (select main_a main_x) 46) (= main_x main_y)), 51061#(or (<= (select main_a main_x) 47) (= main_x main_y)), 51062#(or (<= (select main_a main_x) 48) (= main_x main_y)), 51063#(or (<= (select main_a main_x) 49) (= main_x main_y)), 51064#(or (<= (select main_a main_x) 50) (= main_x main_y)), 51065#(or (<= (select main_a main_x) 51) (= main_x main_y)), 51066#(or (= main_x main_y) (<= (select main_a main_x) 52)), 51067#(or (<= (select main_a main_x) 53) (= main_x main_y)), 51068#(or (<= (select main_a main_x) 54) (= main_x main_y)), 51069#(or (<= (select main_a main_x) 55) (= main_x main_y)), 51070#(or (= main_x main_y) (<= (select main_a main_x) 56)), 51071#(or (<= (select main_a main_x) 57) (= main_x main_y)), 51072#(or (<= (select main_a main_x) 58) (= main_x main_y)), 51073#(or (= main_x main_y) (<= (select main_a main_x) 59)), 51074#(or (= main_x main_y) (<= (select main_a main_x) 60)), 51075#(or (= main_x main_y) (<= (select main_a main_x) 61)), 51076#(or (<= (select main_a main_x) 62) (= main_x main_y)), 51077#(or (<= (select main_a main_x) 63) (= main_x main_y)), 51078#(or (= main_x main_y) (<= (select main_a main_x) 64)), 51079#(or (<= (select main_a main_x) 65) (= main_x main_y)), 51080#(or (= main_x main_y) (<= (select main_a main_x) 66)), 51081#(or (<= (select main_a main_x) 67) (= main_x main_y)), 51082#(or (= main_x main_y) (<= (select main_a main_x) 68)), 51083#(or (= main_x main_y) (<= (select main_a main_x) 69)), 51084#(or (<= (select main_a main_x) 70) (= main_x main_y)), 51085#(or (<= (select main_a main_x) 71) (= main_x main_y)), 51086#(or (= main_x main_y) (<= (select main_a main_x) 72)), 51087#(or (<= (select main_a main_x) 73) (= main_x main_y)), 51088#(or (= main_x main_y) (<= (select main_a main_x) 74)), 51089#(or (= main_x main_y) (<= (select main_a main_x) 75)), 51090#(or (<= (select main_a main_x) 76) (= main_x main_y)), 51091#(or (<= (select main_a main_x) 77) (= main_x main_y)), 51092#(or (<= (select main_a main_x) 78) (= main_x main_y)), 51093#(or (<= (select main_a main_x) 79) (= main_x main_y)), 51094#(or (<= (select main_a main_x) 80) (= main_x main_y)), 51095#(or (<= (select main_a main_x) 81) (= main_x main_y)), 51096#(or (<= (select main_a main_x) 82) (= main_x main_y)), 51097#(or (= main_x main_y) (<= (select main_a main_x) 83)), 51098#(or (<= (select main_a main_x) 84) (= main_x main_y)), 51099#(or (<= (select main_a main_x) 85) (= main_x main_y)), 51100#(or (<= (select main_a main_x) 86) (= main_x main_y)), 51101#(or (<= (select main_a main_x) 87) (= main_x main_y)), 51102#(or (<= (select main_a main_x) 88) (= main_x main_y)), 51103#(or (<= (select main_a main_x) 89) (= main_x main_y)), 51104#(or (<= (select main_a main_x) 90) (= main_x main_y)), 51105#(or (= main_x main_y) (<= (select main_a main_x) 91)), 51106#(or (<= (select main_a main_x) 92) (= main_x main_y)), 51107#(or (<= (select main_a main_x) 93) (= main_x main_y)), 51108#(or (= main_x main_y) (<= (select main_a main_x) 94)), 51109#(or (<= (select main_a main_x) 95) (= main_x main_y)), 51110#(or (<= (select main_a main_x) 96) (= main_x main_y)), 51111#(or (= main_x main_y) (<= (select main_a main_x) 97)), 51112#(or (<= (select main_a main_x) 98) (= main_x main_y)), 51113#(or (<= (select main_a main_x) 99) (= main_x main_y)), 51114#(or (<= (select main_a main_x) 100) (= main_x main_y)), 51115#(or (<= (select main_a main_x) 101) (= main_x main_y)), 51116#(or (= main_x main_y) (<= (select main_a main_x) 102)), 51117#(or (<= (select main_a main_x) 103) (= main_x main_y)), 51118#(or (<= (select main_a main_x) 104) (= main_x main_y)), 51119#(or (= main_x main_y) (<= (select main_a main_x) 105)), 51120#(or (= main_x main_y) (<= (select main_a main_x) 106)), 51121#(or (<= (select main_a main_x) 107) (= main_x main_y)), 51122#(or (<= (select main_a main_x) 108) (= main_x main_y)), 51123#(or (= main_x main_y) (<= (select main_a main_x) 109)), 51124#(or (= main_x main_y) (<= (select main_a main_x) 110)), 51125#(or (<= (select main_a main_x) 111) (= main_x main_y)), 51126#(or (<= (select main_a main_x) 112) (= main_x main_y)), 51127#(or (<= (select main_a main_x) 113) (= main_x main_y)), 51128#(or (= main_x main_y) (<= (select main_a main_x) 114)), 51129#(or (= main_x main_y) (<= (select main_a main_x) 115)), 51130#(or (<= (select main_a main_x) 116) (= main_x main_y)), 51131#(or (<= (select main_a main_x) 117) (= main_x main_y)), 51132#(or (= main_x main_y) (<= (select main_a main_x) 118)), 51133#(or (= main_x main_y) (<= (select main_a main_x) 119)), 51134#(or (<= (select main_a main_x) 120) (= main_x main_y)), 51135#(or (= main_x main_y) (<= (select main_a main_x) 121)), 51136#(or (<= (select main_a main_x) 122) (= main_x main_y)), 51137#(or (= main_x main_y) (<= (select main_a main_x) 123)), 51138#(or (= main_x main_y) (<= (select main_a main_x) 124)), 51139#(or (<= (select main_a main_x) 125) (= main_x main_y)), 51140#(or (= main_x main_y) (<= (select main_a main_x) 126)), 51141#(or (<= (select main_a main_x) 127) (= main_x main_y)), 51142#(or (= main_x main_y) (<= (select main_a main_x) 128)), 51143#(or (= main_x main_y) (<= (select main_a main_x) 129)), 51144#(or (= main_x main_y) (<= (select main_a main_x) 130)), 51145#(or (<= (select main_a main_x) 131) (= main_x main_y)), 51146#(or (<= (select main_a main_x) 132) (= main_x main_y)), 51147#(or (= main_x main_y) (<= (select main_a main_x) 133)), 51148#(or (= main_x main_y) (<= (select main_a main_x) 134)), 51149#(or (= main_x main_y) (<= (select main_a main_x) 135)), 51150#(or (<= (select main_a main_x) 136) (= main_x main_y)), 51151#(or (<= (select main_a main_x) 137) (= main_x main_y)), 51152#(or (not (= (select main_a main_x) 1000)) (= main_x main_y))] [2018-07-23 13:57:26,254 INFO L134 CoverageAnalysis]: Checked inductivity of 9591 backedges. 0 proven. 9591 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-07-23 13:57:26,254 INFO L450 AbstractCegarLoop]: Interpolant automaton has 141 states [2018-07-23 13:57:26,255 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 141 interpolants. [2018-07-23 13:57:26,257 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=9870, Invalid=9870, Unknown=0, NotChecked=0, Total=19740 [2018-07-23 13:57:26,257 INFO L87 Difference]: Start difference. First operand 142 states and 142 transitions. Second operand 141 states. [2018-07-23 13:57:26,577 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-07-23 13:57:26,577 INFO L93 Difference]: Finished difference Result 145 states and 145 transitions. [2018-07-23 13:57:26,578 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 141 states. [2018-07-23 13:57:26,578 INFO L78 Accepts]: Start accepts. Automaton has 141 states. Word has length 141 [2018-07-23 13:57:26,578 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-07-23 13:57:26,578 INFO L225 Difference]: With dead ends: 145 [2018-07-23 13:57:26,578 INFO L226 Difference]: Without dead ends: 143 [2018-07-23 13:57:26,580 INFO L575 BasicCegarLoop]: 0 DeclaredPredicates, 140 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 139 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 1.2s TimeCoverageRelationStatistics Valid=9870, Invalid=9870, Unknown=0, NotChecked=0, Total=19740 [2018-07-23 13:57:26,580 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 143 states. [2018-07-23 13:57:26,587 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 143 to 143. [2018-07-23 13:57:26,587 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 143 states. [2018-07-23 13:57:26,587 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 143 states to 143 states and 143 transitions. [2018-07-23 13:57:26,587 INFO L78 Accepts]: Start accepts. Automaton has 143 states and 143 transitions. Word has length 141 [2018-07-23 13:57:26,587 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-07-23 13:57:26,588 INFO L471 AbstractCegarLoop]: Abstraction has 143 states and 143 transitions. [2018-07-23 13:57:26,588 INFO L472 AbstractCegarLoop]: Interpolant automaton has 141 states. [2018-07-23 13:57:26,588 INFO L276 IsEmpty]: Start isEmpty. Operand 143 states and 143 transitions. [2018-07-23 13:57:26,588 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 143 [2018-07-23 13:57:26,588 INFO L349 BasicCegarLoop]: Found error trace [2018-07-23 13:57:26,588 INFO L357 BasicCegarLoop]: trace histogram [139, 1, 1, 1] [2018-07-23 13:57:26,589 INFO L414 AbstractCegarLoop]: === Iteration 140 === [mainErr0AssertViolationASSERT]=== [2018-07-23 13:57:26,589 INFO L82 PathProgramCache]: Analyzing trace with hash 1752070086, now seen corresponding path program 139 times [2018-07-23 13:57:26,589 INFO L69 tionRefinementEngine]: Using refinement strategy FixedRefinementStrategy [2018-07-23 13:57:26,804 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-07-23 13:57:27,996 INFO L134 CoverageAnalysis]: Checked inductivity of 9730 backedges. 0 proven. 9730 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-07-23 13:57:27,997 INFO L309 seRefinementStrategy]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2018-07-23 13:57:27,997 INFO L324 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [141] total 141 [2018-07-23 13:57:27,997 INFO L142 lantAutomatonBuilder]: Constructing canonical interpolant automaton, with selfloop in false state [2018-07-23 13:57:27,997 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-07-23 13:57:27,997 INFO L185 omatonBuilderFactory]: Interpolants [51729#true, 51730#false, 51731#(or (= 0 (select main_a main_x)) (= main_x main_y)), 51732#(or (<= (select main_a main_x) 1) (= main_x main_y)), 51733#(or (= main_x main_y) (<= (select main_a main_x) 2)), 51734#(or (= main_x main_y) (<= (select main_a main_x) 3)), 51735#(or (<= (select main_a main_x) 4) (= main_x main_y)), 51736#(or (<= (select main_a main_x) 5) (= main_x main_y)), 51737#(or (<= (select main_a main_x) 6) (= main_x main_y)), 51738#(or (<= (select main_a main_x) 7) (= main_x main_y)), 51739#(or (<= (select main_a main_x) 8) (= main_x main_y)), 51740#(or (= main_x main_y) (<= (select main_a main_x) 9)), 51741#(or (= main_x main_y) (<= (select main_a main_x) 10)), 51742#(or (= main_x main_y) (<= (select main_a main_x) 11)), 51743#(or (<= (select main_a main_x) 12) (= main_x main_y)), 51744#(or (= main_x main_y) (<= (select main_a main_x) 13)), 51745#(or (<= (select main_a main_x) 14) (= main_x main_y)), 51746#(or (<= (select main_a main_x) 15) (= main_x main_y)), 51747#(or (<= (select main_a main_x) 16) (= main_x main_y)), 51748#(or (= main_x main_y) (<= (select main_a main_x) 17)), 51749#(or (<= (select main_a main_x) 18) (= main_x main_y)), 51750#(or (<= (select main_a main_x) 19) (= main_x main_y)), 51751#(or (= main_x main_y) (<= (select main_a main_x) 20)), 51752#(or (<= (select main_a main_x) 21) (= main_x main_y)), 51753#(or (= main_x main_y) (<= (select main_a main_x) 22)), 51754#(or (= main_x main_y) (<= (select main_a main_x) 23)), 51755#(or (<= (select main_a main_x) 24) (= main_x main_y)), 51756#(or (= main_x main_y) (<= (select main_a main_x) 25)), 51757#(or (<= (select main_a main_x) 26) (= main_x main_y)), 51758#(or (<= (select main_a main_x) 27) (= main_x main_y)), 51759#(or (<= (select main_a main_x) 28) (= main_x main_y)), 51760#(or (<= (select main_a main_x) 29) (= main_x main_y)), 51761#(or (= main_x main_y) (<= (select main_a main_x) 30)), 51762#(or (<= (select main_a main_x) 31) (= main_x main_y)), 51763#(or (<= (select main_a main_x) 32) (= main_x main_y)), 51764#(or (<= (select main_a main_x) 33) (= main_x main_y)), 51765#(or (<= (select main_a main_x) 34) (= main_x main_y)), 51766#(or (<= (select main_a main_x) 35) (= main_x main_y)), 51767#(or (<= (select main_a main_x) 36) (= main_x main_y)), 51768#(or (<= (select main_a main_x) 37) (= main_x main_y)), 51769#(or (<= (select main_a main_x) 38) (= main_x main_y)), 51770#(or (<= (select main_a main_x) 39) (= main_x main_y)), 51771#(or (<= (select main_a main_x) 40) (= main_x main_y)), 51772#(or (<= (select main_a main_x) 41) (= main_x main_y)), 51773#(or (<= (select main_a main_x) 42) (= main_x main_y)), 51774#(or (= main_x main_y) (<= (select main_a main_x) 43)), 51775#(or (= main_x main_y) (<= (select main_a main_x) 44)), 51776#(or (= main_x main_y) (<= (select main_a main_x) 45)), 51777#(or (<= (select main_a main_x) 46) (= main_x main_y)), 51778#(or (<= (select main_a main_x) 47) (= main_x main_y)), 51779#(or (<= (select main_a main_x) 48) (= main_x main_y)), 51780#(or (<= (select main_a main_x) 49) (= main_x main_y)), 51781#(or (<= (select main_a main_x) 50) (= main_x main_y)), 51782#(or (<= (select main_a main_x) 51) (= main_x main_y)), 51783#(or (= main_x main_y) (<= (select main_a main_x) 52)), 51784#(or (<= (select main_a main_x) 53) (= main_x main_y)), 51785#(or (<= (select main_a main_x) 54) (= main_x main_y)), 51786#(or (<= (select main_a main_x) 55) (= main_x main_y)), 51787#(or (= main_x main_y) (<= (select main_a main_x) 56)), 51788#(or (<= (select main_a main_x) 57) (= main_x main_y)), 51789#(or (<= (select main_a main_x) 58) (= main_x main_y)), 51790#(or (= main_x main_y) (<= (select main_a main_x) 59)), 51791#(or (= main_x main_y) (<= (select main_a main_x) 60)), 51792#(or (= main_x main_y) (<= (select main_a main_x) 61)), 51793#(or (<= (select main_a main_x) 62) (= main_x main_y)), 51794#(or (<= (select main_a main_x) 63) (= main_x main_y)), 51795#(or (= main_x main_y) (<= (select main_a main_x) 64)), 51796#(or (<= (select main_a main_x) 65) (= main_x main_y)), 51797#(or (= main_x main_y) (<= (select main_a main_x) 66)), 51798#(or (<= (select main_a main_x) 67) (= main_x main_y)), 51799#(or (= main_x main_y) (<= (select main_a main_x) 68)), 51800#(or (= main_x main_y) (<= (select main_a main_x) 69)), 51801#(or (<= (select main_a main_x) 70) (= main_x main_y)), 51802#(or (<= (select main_a main_x) 71) (= main_x main_y)), 51803#(or (= main_x main_y) (<= (select main_a main_x) 72)), 51804#(or (<= (select main_a main_x) 73) (= main_x main_y)), 51805#(or (= main_x main_y) (<= (select main_a main_x) 74)), 51806#(or (= main_x main_y) (<= (select main_a main_x) 75)), 51807#(or (<= (select main_a main_x) 76) (= main_x main_y)), 51808#(or (<= (select main_a main_x) 77) (= main_x main_y)), 51809#(or (<= (select main_a main_x) 78) (= main_x main_y)), 51810#(or (<= (select main_a main_x) 79) (= main_x main_y)), 51811#(or (<= (select main_a main_x) 80) (= main_x main_y)), 51812#(or (<= (select main_a main_x) 81) (= main_x main_y)), 51813#(or (<= (select main_a main_x) 82) (= main_x main_y)), 51814#(or (= main_x main_y) (<= (select main_a main_x) 83)), 51815#(or (<= (select main_a main_x) 84) (= main_x main_y)), 51816#(or (<= (select main_a main_x) 85) (= main_x main_y)), 51817#(or (<= (select main_a main_x) 86) (= main_x main_y)), 51818#(or (<= (select main_a main_x) 87) (= main_x main_y)), 51819#(or (<= (select main_a main_x) 88) (= main_x main_y)), 51820#(or (<= (select main_a main_x) 89) (= main_x main_y)), 51821#(or (<= (select main_a main_x) 90) (= main_x main_y)), 51822#(or (= main_x main_y) (<= (select main_a main_x) 91)), 51823#(or (<= (select main_a main_x) 92) (= main_x main_y)), 51824#(or (<= (select main_a main_x) 93) (= main_x main_y)), 51825#(or (= main_x main_y) (<= (select main_a main_x) 94)), 51826#(or (<= (select main_a main_x) 95) (= main_x main_y)), 51827#(or (<= (select main_a main_x) 96) (= main_x main_y)), 51828#(or (= main_x main_y) (<= (select main_a main_x) 97)), 51829#(or (<= (select main_a main_x) 98) (= main_x main_y)), 51830#(or (<= (select main_a main_x) 99) (= main_x main_y)), 51831#(or (<= (select main_a main_x) 100) (= main_x main_y)), 51832#(or (<= (select main_a main_x) 101) (= main_x main_y)), 51833#(or (= main_x main_y) (<= (select main_a main_x) 102)), 51834#(or (<= (select main_a main_x) 103) (= main_x main_y)), 51835#(or (<= (select main_a main_x) 104) (= main_x main_y)), 51836#(or (= main_x main_y) (<= (select main_a main_x) 105)), 51837#(or (= main_x main_y) (<= (select main_a main_x) 106)), 51838#(or (<= (select main_a main_x) 107) (= main_x main_y)), 51839#(or (<= (select main_a main_x) 108) (= main_x main_y)), 51840#(or (= main_x main_y) (<= (select main_a main_x) 109)), 51841#(or (= main_x main_y) (<= (select main_a main_x) 110)), 51842#(or (<= (select main_a main_x) 111) (= main_x main_y)), 51843#(or (<= (select main_a main_x) 112) (= main_x main_y)), 51844#(or (<= (select main_a main_x) 113) (= main_x main_y)), 51845#(or (= main_x main_y) (<= (select main_a main_x) 114)), 51846#(or (= main_x main_y) (<= (select main_a main_x) 115)), 51847#(or (<= (select main_a main_x) 116) (= main_x main_y)), 51848#(or (<= (select main_a main_x) 117) (= main_x main_y)), 51849#(or (= main_x main_y) (<= (select main_a main_x) 118)), 51850#(or (= main_x main_y) (<= (select main_a main_x) 119)), 51851#(or (<= (select main_a main_x) 120) (= main_x main_y)), 51852#(or (= main_x main_y) (<= (select main_a main_x) 121)), 51853#(or (<= (select main_a main_x) 122) (= main_x main_y)), 51854#(or (= main_x main_y) (<= (select main_a main_x) 123)), 51855#(or (= main_x main_y) (<= (select main_a main_x) 124)), 51856#(or (<= (select main_a main_x) 125) (= main_x main_y)), 51857#(or (= main_x main_y) (<= (select main_a main_x) 126)), 51858#(or (<= (select main_a main_x) 127) (= main_x main_y)), 51859#(or (= main_x main_y) (<= (select main_a main_x) 128)), 51860#(or (= main_x main_y) (<= (select main_a main_x) 129)), 51861#(or (= main_x main_y) (<= (select main_a main_x) 130)), 51862#(or (<= (select main_a main_x) 131) (= main_x main_y)), 51863#(or (<= (select main_a main_x) 132) (= main_x main_y)), 51864#(or (= main_x main_y) (<= (select main_a main_x) 133)), 51865#(or (= main_x main_y) (<= (select main_a main_x) 134)), 51866#(or (= main_x main_y) (<= (select main_a main_x) 135)), 51867#(or (<= (select main_a main_x) 136) (= main_x main_y)), 51868#(or (<= (select main_a main_x) 137) (= main_x main_y)), 51869#(or (= main_x main_y) (<= (select main_a main_x) 138)), 51870#(or (not (= (select main_a main_x) 1000)) (= main_x main_y))] [2018-07-23 13:57:27,998 INFO L134 CoverageAnalysis]: Checked inductivity of 9730 backedges. 0 proven. 9730 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-07-23 13:57:27,998 INFO L450 AbstractCegarLoop]: Interpolant automaton has 142 states [2018-07-23 13:57:27,999 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 142 interpolants. [2018-07-23 13:57:28,000 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=10011, Invalid=10011, Unknown=0, NotChecked=0, Total=20022 [2018-07-23 13:57:28,000 INFO L87 Difference]: Start difference. First operand 143 states and 143 transitions. Second operand 142 states. [2018-07-23 13:57:28,364 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-07-23 13:57:28,365 INFO L93 Difference]: Finished difference Result 146 states and 146 transitions. [2018-07-23 13:57:28,365 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 142 states. [2018-07-23 13:57:28,365 INFO L78 Accepts]: Start accepts. Automaton has 142 states. Word has length 142 [2018-07-23 13:57:28,365 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-07-23 13:57:28,365 INFO L225 Difference]: With dead ends: 146 [2018-07-23 13:57:28,365 INFO L226 Difference]: Without dead ends: 144 [2018-07-23 13:57:28,366 INFO L575 BasicCegarLoop]: 0 DeclaredPredicates, 141 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 140 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 1.0s TimeCoverageRelationStatistics Valid=10011, Invalid=10011, Unknown=0, NotChecked=0, Total=20022 [2018-07-23 13:57:28,366 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 144 states. [2018-07-23 13:57:28,377 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 144 to 144. [2018-07-23 13:57:28,377 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 144 states. [2018-07-23 13:57:28,378 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 144 states to 144 states and 144 transitions. [2018-07-23 13:57:28,378 INFO L78 Accepts]: Start accepts. Automaton has 144 states and 144 transitions. Word has length 142 [2018-07-23 13:57:28,378 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-07-23 13:57:28,378 INFO L471 AbstractCegarLoop]: Abstraction has 144 states and 144 transitions. [2018-07-23 13:57:28,378 INFO L472 AbstractCegarLoop]: Interpolant automaton has 142 states. [2018-07-23 13:57:28,378 INFO L276 IsEmpty]: Start isEmpty. Operand 144 states and 144 transitions. [2018-07-23 13:57:28,379 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 144 [2018-07-23 13:57:28,379 INFO L349 BasicCegarLoop]: Found error trace [2018-07-23 13:57:28,379 INFO L357 BasicCegarLoop]: trace histogram [140, 1, 1, 1] [2018-07-23 13:57:28,379 INFO L414 AbstractCegarLoop]: === Iteration 141 === [mainErr0AssertViolationASSERT]=== [2018-07-23 13:57:28,379 INFO L82 PathProgramCache]: Analyzing trace with hash -1520406048, now seen corresponding path program 140 times [2018-07-23 13:57:28,379 INFO L69 tionRefinementEngine]: Using refinement strategy FixedRefinementStrategy [2018-07-23 13:57:28,567 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-07-23 13:57:29,728 INFO L134 CoverageAnalysis]: Checked inductivity of 9870 backedges. 0 proven. 9870 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-07-23 13:57:29,728 INFO L309 seRefinementStrategy]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2018-07-23 13:57:29,729 INFO L324 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [142] total 142 [2018-07-23 13:57:29,729 INFO L142 lantAutomatonBuilder]: Constructing canonical interpolant automaton, with selfloop in false state [2018-07-23 13:57:29,729 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-07-23 13:57:29,729 INFO L185 omatonBuilderFactory]: Interpolants [52480#(or (<= (select main_a main_x) 27) (= main_x main_y)), 52481#(or (<= (select main_a main_x) 28) (= main_x main_y)), 52482#(or (<= (select main_a main_x) 29) (= main_x main_y)), 52483#(or (= main_x main_y) (<= (select main_a main_x) 30)), 52484#(or (<= (select main_a main_x) 31) (= main_x main_y)), 52485#(or (<= (select main_a main_x) 32) (= main_x main_y)), 52486#(or (<= (select main_a main_x) 33) (= main_x main_y)), 52487#(or (<= (select main_a main_x) 34) (= main_x main_y)), 52488#(or (<= (select main_a main_x) 35) (= main_x main_y)), 52489#(or (<= (select main_a main_x) 36) (= main_x main_y)), 52490#(or (<= (select main_a main_x) 37) (= main_x main_y)), 52491#(or (<= (select main_a main_x) 38) (= main_x main_y)), 52492#(or (<= (select main_a main_x) 39) (= main_x main_y)), 52493#(or (<= (select main_a main_x) 40) (= main_x main_y)), 52494#(or (<= (select main_a main_x) 41) (= main_x main_y)), 52495#(or (<= (select main_a main_x) 42) (= main_x main_y)), 52496#(or (= main_x main_y) (<= (select main_a main_x) 43)), 52497#(or (= main_x main_y) (<= (select main_a main_x) 44)), 52498#(or (= main_x main_y) (<= (select main_a main_x) 45)), 52499#(or (<= (select main_a main_x) 46) (= main_x main_y)), 52500#(or (<= (select main_a main_x) 47) (= main_x main_y)), 52501#(or (<= (select main_a main_x) 48) (= main_x main_y)), 52502#(or (<= (select main_a main_x) 49) (= main_x main_y)), 52503#(or (<= (select main_a main_x) 50) (= main_x main_y)), 52504#(or (<= (select main_a main_x) 51) (= main_x main_y)), 52505#(or (= main_x main_y) (<= (select main_a main_x) 52)), 52506#(or (<= (select main_a main_x) 53) (= main_x main_y)), 52507#(or (<= (select main_a main_x) 54) (= main_x main_y)), 52508#(or (<= (select main_a main_x) 55) (= main_x main_y)), 52509#(or (= main_x main_y) (<= (select main_a main_x) 56)), 52510#(or (<= (select main_a main_x) 57) (= main_x main_y)), 52511#(or (<= (select main_a main_x) 58) (= main_x main_y)), 52512#(or (= main_x main_y) (<= (select main_a main_x) 59)), 52513#(or (= main_x main_y) (<= (select main_a main_x) 60)), 52514#(or (= main_x main_y) (<= (select main_a main_x) 61)), 52515#(or (<= (select main_a main_x) 62) (= main_x main_y)), 52516#(or (<= (select main_a main_x) 63) (= main_x main_y)), 52517#(or (= main_x main_y) (<= (select main_a main_x) 64)), 52518#(or (<= (select main_a main_x) 65) (= main_x main_y)), 52519#(or (= main_x main_y) (<= (select main_a main_x) 66)), 52520#(or (<= (select main_a main_x) 67) (= main_x main_y)), 52521#(or (= main_x main_y) (<= (select main_a main_x) 68)), 52522#(or (= main_x main_y) (<= (select main_a main_x) 69)), 52523#(or (<= (select main_a main_x) 70) (= main_x main_y)), 52524#(or (<= (select main_a main_x) 71) (= main_x main_y)), 52525#(or (= main_x main_y) (<= (select main_a main_x) 72)), 52526#(or (<= (select main_a main_x) 73) (= main_x main_y)), 52527#(or (= main_x main_y) (<= (select main_a main_x) 74)), 52528#(or (= main_x main_y) (<= (select main_a main_x) 75)), 52529#(or (<= (select main_a main_x) 76) (= main_x main_y)), 52530#(or (<= (select main_a main_x) 77) (= main_x main_y)), 52531#(or (<= (select main_a main_x) 78) (= main_x main_y)), 52532#(or (<= (select main_a main_x) 79) (= main_x main_y)), 52533#(or (<= (select main_a main_x) 80) (= main_x main_y)), 52534#(or (<= (select main_a main_x) 81) (= main_x main_y)), 52535#(or (<= (select main_a main_x) 82) (= main_x main_y)), 52536#(or (= main_x main_y) (<= (select main_a main_x) 83)), 52537#(or (<= (select main_a main_x) 84) (= main_x main_y)), 52538#(or (<= (select main_a main_x) 85) (= main_x main_y)), 52539#(or (<= (select main_a main_x) 86) (= main_x main_y)), 52540#(or (<= (select main_a main_x) 87) (= main_x main_y)), 52541#(or (<= (select main_a main_x) 88) (= main_x main_y)), 52542#(or (<= (select main_a main_x) 89) (= main_x main_y)), 52543#(or (<= (select main_a main_x) 90) (= main_x main_y)), 52544#(or (= main_x main_y) (<= (select main_a main_x) 91)), 52545#(or (<= (select main_a main_x) 92) (= main_x main_y)), 52546#(or (<= (select main_a main_x) 93) (= main_x main_y)), 52547#(or (= main_x main_y) (<= (select main_a main_x) 94)), 52548#(or (<= (select main_a main_x) 95) (= main_x main_y)), 52549#(or (<= (select main_a main_x) 96) (= main_x main_y)), 52550#(or (= main_x main_y) (<= (select main_a main_x) 97)), 52551#(or (<= (select main_a main_x) 98) (= main_x main_y)), 52552#(or (<= (select main_a main_x) 99) (= main_x main_y)), 52553#(or (<= (select main_a main_x) 100) (= main_x main_y)), 52554#(or (<= (select main_a main_x) 101) (= main_x main_y)), 52555#(or (= main_x main_y) (<= (select main_a main_x) 102)), 52556#(or (<= (select main_a main_x) 103) (= main_x main_y)), 52557#(or (<= (select main_a main_x) 104) (= main_x main_y)), 52558#(or (= main_x main_y) (<= (select main_a main_x) 105)), 52559#(or (= main_x main_y) (<= (select main_a main_x) 106)), 52560#(or (<= (select main_a main_x) 107) (= main_x main_y)), 52561#(or (<= (select main_a main_x) 108) (= main_x main_y)), 52562#(or (= main_x main_y) (<= (select main_a main_x) 109)), 52563#(or (= main_x main_y) (<= (select main_a main_x) 110)), 52564#(or (<= (select main_a main_x) 111) (= main_x main_y)), 52565#(or (<= (select main_a main_x) 112) (= main_x main_y)), 52566#(or (<= (select main_a main_x) 113) (= main_x main_y)), 52567#(or (= main_x main_y) (<= (select main_a main_x) 114)), 52568#(or (= main_x main_y) (<= (select main_a main_x) 115)), 52569#(or (<= (select main_a main_x) 116) (= main_x main_y)), 52570#(or (<= (select main_a main_x) 117) (= main_x main_y)), 52571#(or (= main_x main_y) (<= (select main_a main_x) 118)), 52572#(or (= main_x main_y) (<= (select main_a main_x) 119)), 52573#(or (<= (select main_a main_x) 120) (= main_x main_y)), 52574#(or (= main_x main_y) (<= (select main_a main_x) 121)), 52575#(or (<= (select main_a main_x) 122) (= main_x main_y)), 52576#(or (= main_x main_y) (<= (select main_a main_x) 123)), 52577#(or (= main_x main_y) (<= (select main_a main_x) 124)), 52578#(or (<= (select main_a main_x) 125) (= main_x main_y)), 52579#(or (= main_x main_y) (<= (select main_a main_x) 126)), 52580#(or (<= (select main_a main_x) 127) (= main_x main_y)), 52581#(or (= main_x main_y) (<= (select main_a main_x) 128)), 52582#(or (= main_x main_y) (<= (select main_a main_x) 129)), 52583#(or (= main_x main_y) (<= (select main_a main_x) 130)), 52584#(or (<= (select main_a main_x) 131) (= main_x main_y)), 52585#(or (<= (select main_a main_x) 132) (= main_x main_y)), 52586#(or (= main_x main_y) (<= (select main_a main_x) 133)), 52587#(or (= main_x main_y) (<= (select main_a main_x) 134)), 52588#(or (= main_x main_y) (<= (select main_a main_x) 135)), 52589#(or (<= (select main_a main_x) 136) (= main_x main_y)), 52590#(or (<= (select main_a main_x) 137) (= main_x main_y)), 52591#(or (= main_x main_y) (<= (select main_a main_x) 138)), 52592#(or (= main_x main_y) (<= (select main_a main_x) 139)), 52593#(or (not (= (select main_a main_x) 1000)) (= main_x main_y)), 52451#true, 52452#false, 52453#(or (= 0 (select main_a main_x)) (= main_x main_y)), 52454#(or (<= (select main_a main_x) 1) (= main_x main_y)), 52455#(or (= main_x main_y) (<= (select main_a main_x) 2)), 52456#(or (= main_x main_y) (<= (select main_a main_x) 3)), 52457#(or (<= (select main_a main_x) 4) (= main_x main_y)), 52458#(or (<= (select main_a main_x) 5) (= main_x main_y)), 52459#(or (<= (select main_a main_x) 6) (= main_x main_y)), 52460#(or (<= (select main_a main_x) 7) (= main_x main_y)), 52461#(or (<= (select main_a main_x) 8) (= main_x main_y)), 52462#(or (= main_x main_y) (<= (select main_a main_x) 9)), 52463#(or (= main_x main_y) (<= (select main_a main_x) 10)), 52464#(or (= main_x main_y) (<= (select main_a main_x) 11)), 52465#(or (<= (select main_a main_x) 12) (= main_x main_y)), 52466#(or (= main_x main_y) (<= (select main_a main_x) 13)), 52467#(or (<= (select main_a main_x) 14) (= main_x main_y)), 52468#(or (<= (select main_a main_x) 15) (= main_x main_y)), 52469#(or (<= (select main_a main_x) 16) (= main_x main_y)), 52470#(or (= main_x main_y) (<= (select main_a main_x) 17)), 52471#(or (<= (select main_a main_x) 18) (= main_x main_y)), 52472#(or (<= (select main_a main_x) 19) (= main_x main_y)), 52473#(or (= main_x main_y) (<= (select main_a main_x) 20)), 52474#(or (<= (select main_a main_x) 21) (= main_x main_y)), 52475#(or (= main_x main_y) (<= (select main_a main_x) 22)), 52476#(or (= main_x main_y) (<= (select main_a main_x) 23)), 52477#(or (<= (select main_a main_x) 24) (= main_x main_y)), 52478#(or (= main_x main_y) (<= (select main_a main_x) 25)), 52479#(or (<= (select main_a main_x) 26) (= main_x main_y))] [2018-07-23 13:57:29,730 INFO L134 CoverageAnalysis]: Checked inductivity of 9870 backedges. 0 proven. 9870 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-07-23 13:57:29,730 INFO L450 AbstractCegarLoop]: Interpolant automaton has 143 states [2018-07-23 13:57:29,731 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 143 interpolants. [2018-07-23 13:57:29,732 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=10153, Invalid=10153, Unknown=0, NotChecked=0, Total=20306 [2018-07-23 13:57:29,732 INFO L87 Difference]: Start difference. First operand 144 states and 144 transitions. Second operand 143 states. [2018-07-23 13:57:30,034 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-07-23 13:57:30,034 INFO L93 Difference]: Finished difference Result 147 states and 147 transitions. [2018-07-23 13:57:30,034 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 143 states. [2018-07-23 13:57:30,034 INFO L78 Accepts]: Start accepts. Automaton has 143 states. Word has length 143 [2018-07-23 13:57:30,034 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-07-23 13:57:30,035 INFO L225 Difference]: With dead ends: 147 [2018-07-23 13:57:30,035 INFO L226 Difference]: Without dead ends: 145 [2018-07-23 13:57:30,036 INFO L575 BasicCegarLoop]: 0 DeclaredPredicates, 142 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 141 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 1.0s TimeCoverageRelationStatistics Valid=10153, Invalid=10153, Unknown=0, NotChecked=0, Total=20306 [2018-07-23 13:57:30,036 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 145 states. [2018-07-23 13:57:30,043 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 145 to 145. [2018-07-23 13:57:30,043 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 145 states. [2018-07-23 13:57:30,043 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 145 states to 145 states and 145 transitions. [2018-07-23 13:57:30,044 INFO L78 Accepts]: Start accepts. Automaton has 145 states and 145 transitions. Word has length 143 [2018-07-23 13:57:30,044 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-07-23 13:57:30,044 INFO L471 AbstractCegarLoop]: Abstraction has 145 states and 145 transitions. [2018-07-23 13:57:30,044 INFO L472 AbstractCegarLoop]: Interpolant automaton has 143 states. [2018-07-23 13:57:30,044 INFO L276 IsEmpty]: Start isEmpty. Operand 145 states and 145 transitions. [2018-07-23 13:57:30,044 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 145 [2018-07-23 13:57:30,044 INFO L349 BasicCegarLoop]: Found error trace [2018-07-23 13:57:30,045 INFO L357 BasicCegarLoop]: trace histogram [141, 1, 1, 1] [2018-07-23 13:57:30,045 INFO L414 AbstractCegarLoop]: === Iteration 142 === [mainErr0AssertViolationASSERT]=== [2018-07-23 13:57:30,045 INFO L82 PathProgramCache]: Analyzing trace with hash 112048902, now seen corresponding path program 141 times [2018-07-23 13:57:30,045 INFO L69 tionRefinementEngine]: Using refinement strategy FixedRefinementStrategy [2018-07-23 13:57:30,221 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-07-23 13:57:31,472 INFO L134 CoverageAnalysis]: Checked inductivity of 10011 backedges. 0 proven. 10011 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-07-23 13:57:31,473 INFO L309 seRefinementStrategy]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2018-07-23 13:57:31,473 INFO L324 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [143] total 143 [2018-07-23 13:57:31,473 INFO L142 lantAutomatonBuilder]: Constructing canonical interpolant automaton, with selfloop in false state [2018-07-23 13:57:31,473 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-07-23 13:57:31,474 INFO L185 omatonBuilderFactory]: Interpolants [53248#(or (= main_x main_y) (<= (select main_a main_x) 68)), 53249#(or (= main_x main_y) (<= (select main_a main_x) 69)), 53250#(or (<= (select main_a main_x) 70) (= main_x main_y)), 53251#(or (<= (select main_a main_x) 71) (= main_x main_y)), 53252#(or (= main_x main_y) (<= (select main_a main_x) 72)), 53253#(or (<= (select main_a main_x) 73) (= main_x main_y)), 53254#(or (= main_x main_y) (<= (select main_a main_x) 74)), 53255#(or (= main_x main_y) (<= (select main_a main_x) 75)), 53256#(or (<= (select main_a main_x) 76) (= main_x main_y)), 53257#(or (<= (select main_a main_x) 77) (= main_x main_y)), 53258#(or (<= (select main_a main_x) 78) (= main_x main_y)), 53259#(or (<= (select main_a main_x) 79) (= main_x main_y)), 53260#(or (<= (select main_a main_x) 80) (= main_x main_y)), 53261#(or (<= (select main_a main_x) 81) (= main_x main_y)), 53262#(or (<= (select main_a main_x) 82) (= main_x main_y)), 53263#(or (= main_x main_y) (<= (select main_a main_x) 83)), 53264#(or (<= (select main_a main_x) 84) (= main_x main_y)), 53265#(or (<= (select main_a main_x) 85) (= main_x main_y)), 53266#(or (<= (select main_a main_x) 86) (= main_x main_y)), 53267#(or (<= (select main_a main_x) 87) (= main_x main_y)), 53268#(or (<= (select main_a main_x) 88) (= main_x main_y)), 53269#(or (<= (select main_a main_x) 89) (= main_x main_y)), 53270#(or (<= (select main_a main_x) 90) (= main_x main_y)), 53271#(or (= main_x main_y) (<= (select main_a main_x) 91)), 53272#(or (<= (select main_a main_x) 92) (= main_x main_y)), 53273#(or (<= (select main_a main_x) 93) (= main_x main_y)), 53274#(or (= main_x main_y) (<= (select main_a main_x) 94)), 53275#(or (<= (select main_a main_x) 95) (= main_x main_y)), 53276#(or (<= (select main_a main_x) 96) (= main_x main_y)), 53277#(or (= main_x main_y) (<= (select main_a main_x) 97)), 53278#(or (<= (select main_a main_x) 98) (= main_x main_y)), 53279#(or (<= (select main_a main_x) 99) (= main_x main_y)), 53280#(or (<= (select main_a main_x) 100) (= main_x main_y)), 53281#(or (<= (select main_a main_x) 101) (= main_x main_y)), 53282#(or (= main_x main_y) (<= (select main_a main_x) 102)), 53283#(or (<= (select main_a main_x) 103) (= main_x main_y)), 53284#(or (<= (select main_a main_x) 104) (= main_x main_y)), 53285#(or (= main_x main_y) (<= (select main_a main_x) 105)), 53286#(or (= main_x main_y) (<= (select main_a main_x) 106)), 53287#(or (<= (select main_a main_x) 107) (= main_x main_y)), 53288#(or (<= (select main_a main_x) 108) (= main_x main_y)), 53289#(or (= main_x main_y) (<= (select main_a main_x) 109)), 53290#(or (= main_x main_y) (<= (select main_a main_x) 110)), 53291#(or (<= (select main_a main_x) 111) (= main_x main_y)), 53292#(or (<= (select main_a main_x) 112) (= main_x main_y)), 53293#(or (<= (select main_a main_x) 113) (= main_x main_y)), 53294#(or (= main_x main_y) (<= (select main_a main_x) 114)), 53295#(or (= main_x main_y) (<= (select main_a main_x) 115)), 53296#(or (<= (select main_a main_x) 116) (= main_x main_y)), 53297#(or (<= (select main_a main_x) 117) (= main_x main_y)), 53298#(or (= main_x main_y) (<= (select main_a main_x) 118)), 53299#(or (= main_x main_y) (<= (select main_a main_x) 119)), 53300#(or (<= (select main_a main_x) 120) (= main_x main_y)), 53301#(or (= main_x main_y) (<= (select main_a main_x) 121)), 53302#(or (<= (select main_a main_x) 122) (= main_x main_y)), 53303#(or (= main_x main_y) (<= (select main_a main_x) 123)), 53304#(or (= main_x main_y) (<= (select main_a main_x) 124)), 53305#(or (<= (select main_a main_x) 125) (= main_x main_y)), 53306#(or (= main_x main_y) (<= (select main_a main_x) 126)), 53307#(or (<= (select main_a main_x) 127) (= main_x main_y)), 53308#(or (= main_x main_y) (<= (select main_a main_x) 128)), 53309#(or (= main_x main_y) (<= (select main_a main_x) 129)), 53310#(or (= main_x main_y) (<= (select main_a main_x) 130)), 53311#(or (<= (select main_a main_x) 131) (= main_x main_y)), 53312#(or (<= (select main_a main_x) 132) (= main_x main_y)), 53313#(or (= main_x main_y) (<= (select main_a main_x) 133)), 53314#(or (= main_x main_y) (<= (select main_a main_x) 134)), 53315#(or (= main_x main_y) (<= (select main_a main_x) 135)), 53316#(or (<= (select main_a main_x) 136) (= main_x main_y)), 53317#(or (<= (select main_a main_x) 137) (= main_x main_y)), 53318#(or (= main_x main_y) (<= (select main_a main_x) 138)), 53319#(or (= main_x main_y) (<= (select main_a main_x) 139)), 53320#(or (<= (select main_a main_x) 140) (= main_x main_y)), 53321#(or (not (= (select main_a main_x) 1000)) (= main_x main_y)), 53178#true, 53179#false, 53180#(or (= 0 (select main_a main_x)) (= main_x main_y)), 53181#(or (<= (select main_a main_x) 1) (= main_x main_y)), 53182#(or (= main_x main_y) (<= (select main_a main_x) 2)), 53183#(or (= main_x main_y) (<= (select main_a main_x) 3)), 53184#(or (<= (select main_a main_x) 4) (= main_x main_y)), 53185#(or (<= (select main_a main_x) 5) (= main_x main_y)), 53186#(or (<= (select main_a main_x) 6) (= main_x main_y)), 53187#(or (<= (select main_a main_x) 7) (= main_x main_y)), 53188#(or (<= (select main_a main_x) 8) (= main_x main_y)), 53189#(or (= main_x main_y) (<= (select main_a main_x) 9)), 53190#(or (= main_x main_y) (<= (select main_a main_x) 10)), 53191#(or (= main_x main_y) (<= (select main_a main_x) 11)), 53192#(or (<= (select main_a main_x) 12) (= main_x main_y)), 53193#(or (= main_x main_y) (<= (select main_a main_x) 13)), 53194#(or (<= (select main_a main_x) 14) (= main_x main_y)), 53195#(or (<= (select main_a main_x) 15) (= main_x main_y)), 53196#(or (<= (select main_a main_x) 16) (= main_x main_y)), 53197#(or (= main_x main_y) (<= (select main_a main_x) 17)), 53198#(or (<= (select main_a main_x) 18) (= main_x main_y)), 53199#(or (<= (select main_a main_x) 19) (= main_x main_y)), 53200#(or (= main_x main_y) (<= (select main_a main_x) 20)), 53201#(or (<= (select main_a main_x) 21) (= main_x main_y)), 53202#(or (= main_x main_y) (<= (select main_a main_x) 22)), 53203#(or (= main_x main_y) (<= (select main_a main_x) 23)), 53204#(or (<= (select main_a main_x) 24) (= main_x main_y)), 53205#(or (= main_x main_y) (<= (select main_a main_x) 25)), 53206#(or (<= (select main_a main_x) 26) (= main_x main_y)), 53207#(or (<= (select main_a main_x) 27) (= main_x main_y)), 53208#(or (<= (select main_a main_x) 28) (= main_x main_y)), 53209#(or (<= (select main_a main_x) 29) (= main_x main_y)), 53210#(or (= main_x main_y) (<= (select main_a main_x) 30)), 53211#(or (<= (select main_a main_x) 31) (= main_x main_y)), 53212#(or (<= (select main_a main_x) 32) (= main_x main_y)), 53213#(or (<= (select main_a main_x) 33) (= main_x main_y)), 53214#(or (<= (select main_a main_x) 34) (= main_x main_y)), 53215#(or (<= (select main_a main_x) 35) (= main_x main_y)), 53216#(or (<= (select main_a main_x) 36) (= main_x main_y)), 53217#(or (<= (select main_a main_x) 37) (= main_x main_y)), 53218#(or (<= (select main_a main_x) 38) (= main_x main_y)), 53219#(or (<= (select main_a main_x) 39) (= main_x main_y)), 53220#(or (<= (select main_a main_x) 40) (= main_x main_y)), 53221#(or (<= (select main_a main_x) 41) (= main_x main_y)), 53222#(or (<= (select main_a main_x) 42) (= main_x main_y)), 53223#(or (= main_x main_y) (<= (select main_a main_x) 43)), 53224#(or (= main_x main_y) (<= (select main_a main_x) 44)), 53225#(or (= main_x main_y) (<= (select main_a main_x) 45)), 53226#(or (<= (select main_a main_x) 46) (= main_x main_y)), 53227#(or (<= (select main_a main_x) 47) (= main_x main_y)), 53228#(or (<= (select main_a main_x) 48) (= main_x main_y)), 53229#(or (<= (select main_a main_x) 49) (= main_x main_y)), 53230#(or (<= (select main_a main_x) 50) (= main_x main_y)), 53231#(or (<= (select main_a main_x) 51) (= main_x main_y)), 53232#(or (= main_x main_y) (<= (select main_a main_x) 52)), 53233#(or (<= (select main_a main_x) 53) (= main_x main_y)), 53234#(or (<= (select main_a main_x) 54) (= main_x main_y)), 53235#(or (<= (select main_a main_x) 55) (= main_x main_y)), 53236#(or (= main_x main_y) (<= (select main_a main_x) 56)), 53237#(or (<= (select main_a main_x) 57) (= main_x main_y)), 53238#(or (<= (select main_a main_x) 58) (= main_x main_y)), 53239#(or (= main_x main_y) (<= (select main_a main_x) 59)), 53240#(or (= main_x main_y) (<= (select main_a main_x) 60)), 53241#(or (= main_x main_y) (<= (select main_a main_x) 61)), 53242#(or (<= (select main_a main_x) 62) (= main_x main_y)), 53243#(or (<= (select main_a main_x) 63) (= main_x main_y)), 53244#(or (= main_x main_y) (<= (select main_a main_x) 64)), 53245#(or (<= (select main_a main_x) 65) (= main_x main_y)), 53246#(or (= main_x main_y) (<= (select main_a main_x) 66)), 53247#(or (<= (select main_a main_x) 67) (= main_x main_y))] [2018-07-23 13:57:31,474 INFO L134 CoverageAnalysis]: Checked inductivity of 10011 backedges. 0 proven. 10011 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-07-23 13:57:31,475 INFO L450 AbstractCegarLoop]: Interpolant automaton has 144 states [2018-07-23 13:57:31,476 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 144 interpolants. [2018-07-23 13:57:31,477 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=10296, Invalid=10296, Unknown=0, NotChecked=0, Total=20592 [2018-07-23 13:57:31,477 INFO L87 Difference]: Start difference. First operand 145 states and 145 transitions. Second operand 144 states. [2018-07-23 13:57:31,651 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-07-23 13:57:31,652 INFO L93 Difference]: Finished difference Result 148 states and 148 transitions. [2018-07-23 13:57:31,652 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 144 states. [2018-07-23 13:57:31,652 INFO L78 Accepts]: Start accepts. Automaton has 144 states. Word has length 144 [2018-07-23 13:57:31,652 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-07-23 13:57:31,652 INFO L225 Difference]: With dead ends: 148 [2018-07-23 13:57:31,652 INFO L226 Difference]: Without dead ends: 146 [2018-07-23 13:57:31,654 INFO L575 BasicCegarLoop]: 0 DeclaredPredicates, 143 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 142 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 1.1s TimeCoverageRelationStatistics Valid=10296, Invalid=10296, Unknown=0, NotChecked=0, Total=20592 [2018-07-23 13:57:31,654 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 146 states. [2018-07-23 13:57:31,661 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 146 to 146. [2018-07-23 13:57:31,662 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 146 states. [2018-07-23 13:57:31,662 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 146 states to 146 states and 146 transitions. [2018-07-23 13:57:31,662 INFO L78 Accepts]: Start accepts. Automaton has 146 states and 146 transitions. Word has length 144 [2018-07-23 13:57:31,662 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-07-23 13:57:31,662 INFO L471 AbstractCegarLoop]: Abstraction has 146 states and 146 transitions. [2018-07-23 13:57:31,662 INFO L472 AbstractCegarLoop]: Interpolant automaton has 144 states. [2018-07-23 13:57:31,662 INFO L276 IsEmpty]: Start isEmpty. Operand 146 states and 146 transitions. [2018-07-23 13:57:31,663 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 146 [2018-07-23 13:57:31,663 INFO L349 BasicCegarLoop]: Found error trace [2018-07-23 13:57:31,663 INFO L357 BasicCegarLoop]: trace histogram [142, 1, 1, 1] [2018-07-23 13:57:31,663 INFO L414 AbstractCegarLoop]: === Iteration 143 === [mainErr0AssertViolationASSERT]=== [2018-07-23 13:57:31,663 INFO L82 PathProgramCache]: Analyzing trace with hash -821455200, now seen corresponding path program 142 times [2018-07-23 13:57:31,663 INFO L69 tionRefinementEngine]: Using refinement strategy FixedRefinementStrategy [2018-07-23 13:57:31,868 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-07-23 13:57:33,091 INFO L134 CoverageAnalysis]: Checked inductivity of 10153 backedges. 0 proven. 10153 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-07-23 13:57:33,091 INFO L309 seRefinementStrategy]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2018-07-23 13:57:33,091 INFO L324 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [144] total 144 [2018-07-23 13:57:33,091 INFO L142 lantAutomatonBuilder]: Constructing canonical interpolant automaton, with selfloop in false state [2018-07-23 13:57:33,091 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 13:57:33,092 INFO L185 omatonBuilderFactory]: Interpolants [54016#(or (<= (select main_a main_x) 104) (= main_x main_y)), 54017#(or (= main_x main_y) (<= (select main_a main_x) 105)), 54018#(or (= main_x main_y) (<= (select main_a main_x) 106)), 54019#(or (<= (select main_a main_x) 107) (= main_x main_y)), 54020#(or (<= (select main_a main_x) 108) (= main_x main_y)), 54021#(or (= main_x main_y) (<= (select main_a main_x) 109)), 54022#(or (= main_x main_y) (<= (select main_a main_x) 110)), 54023#(or (<= (select main_a main_x) 111) (= main_x main_y)), 54024#(or (<= (select main_a main_x) 112) (= main_x main_y)), 54025#(or (<= (select main_a main_x) 113) (= main_x main_y)), 54026#(or (= main_x main_y) (<= (select main_a main_x) 114)), 54027#(or (= main_x main_y) (<= (select main_a main_x) 115)), 54028#(or (<= (select main_a main_x) 116) (= main_x main_y)), 54029#(or (<= (select main_a main_x) 117) (= main_x main_y)), 54030#(or (= main_x main_y) (<= (select main_a main_x) 118)), 54031#(or (= main_x main_y) (<= (select main_a main_x) 119)), 54032#(or (<= (select main_a main_x) 120) (= main_x main_y)), 54033#(or (= main_x main_y) (<= (select main_a main_x) 121)), 54034#(or (<= (select main_a main_x) 122) (= main_x main_y)), 54035#(or (= main_x main_y) (<= (select main_a main_x) 123)), 54036#(or (= main_x main_y) (<= (select main_a main_x) 124)), 54037#(or (<= (select main_a main_x) 125) (= main_x main_y)), 54038#(or (= main_x main_y) (<= (select main_a main_x) 126)), 54039#(or (<= (select main_a main_x) 127) (= main_x main_y)), 54040#(or (= main_x main_y) (<= (select main_a main_x) 128)), 54041#(or (= main_x main_y) (<= (select main_a main_x) 129)), 54042#(or (= main_x main_y) (<= (select main_a main_x) 130)), 54043#(or (<= (select main_a main_x) 131) (= main_x main_y)), 54044#(or (<= (select main_a main_x) 132) (= main_x main_y)), 54045#(or (= main_x main_y) (<= (select main_a main_x) 133)), 54046#(or (= main_x main_y) (<= (select main_a main_x) 134)), 54047#(or (= main_x main_y) (<= (select main_a main_x) 135)), 54048#(or (<= (select main_a main_x) 136) (= main_x main_y)), 54049#(or (<= (select main_a main_x) 137) (= main_x main_y)), 54050#(or (= main_x main_y) (<= (select main_a main_x) 138)), 54051#(or (= main_x main_y) (<= (select main_a main_x) 139)), 54052#(or (<= (select main_a main_x) 140) (= main_x main_y)), 54053#(or (<= (select main_a main_x) 141) (= main_x main_y)), 54054#(or (not (= (select main_a main_x) 1000)) (= main_x main_y)), 53910#true, 53911#false, 53912#(or (= 0 (select main_a main_x)) (= main_x main_y)), 53913#(or (<= (select main_a main_x) 1) (= main_x main_y)), 53914#(or (= main_x main_y) (<= (select main_a main_x) 2)), 53915#(or (= main_x main_y) (<= (select main_a main_x) 3)), 53916#(or (<= (select main_a main_x) 4) (= main_x main_y)), 53917#(or (<= (select main_a main_x) 5) (= main_x main_y)), 53918#(or (<= (select main_a main_x) 6) (= main_x main_y)), 53919#(or (<= (select main_a main_x) 7) (= main_x main_y)), 53920#(or (<= (select main_a main_x) 8) (= main_x main_y)), 53921#(or (= main_x main_y) (<= (select main_a main_x) 9)), 53922#(or (= main_x main_y) (<= (select main_a main_x) 10)), 53923#(or (= main_x main_y) (<= (select main_a main_x) 11)), 53924#(or (<= (select main_a main_x) 12) (= main_x main_y)), 53925#(or (= main_x main_y) (<= (select main_a main_x) 13)), 53926#(or (<= (select main_a main_x) 14) (= main_x main_y)), 53927#(or (<= (select main_a main_x) 15) (= main_x main_y)), 53928#(or (<= (select main_a main_x) 16) (= main_x main_y)), 53929#(or (= main_x main_y) (<= (select main_a main_x) 17)), 53930#(or (<= (select main_a main_x) 18) (= main_x main_y)), 53931#(or (<= (select main_a main_x) 19) (= main_x main_y)), 53932#(or (= main_x main_y) (<= (select main_a main_x) 20)), 53933#(or (<= (select main_a main_x) 21) (= main_x main_y)), 53934#(or (= main_x main_y) (<= (select main_a main_x) 22)), 53935#(or (= main_x main_y) (<= (select main_a main_x) 23)), 53936#(or (<= (select main_a main_x) 24) (= main_x main_y)), 53937#(or (= main_x main_y) (<= (select main_a main_x) 25)), 53938#(or (<= (select main_a main_x) 26) (= main_x main_y)), 53939#(or (<= (select main_a main_x) 27) (= main_x main_y)), 53940#(or (<= (select main_a main_x) 28) (= main_x main_y)), 53941#(or (<= (select main_a main_x) 29) (= main_x main_y)), 53942#(or (= main_x main_y) (<= (select main_a main_x) 30)), 53943#(or (<= (select main_a main_x) 31) (= main_x main_y)), 53944#(or (<= (select main_a main_x) 32) (= main_x main_y)), 53945#(or (<= (select main_a main_x) 33) (= main_x main_y)), 53946#(or (<= (select main_a main_x) 34) (= main_x main_y)), 53947#(or (<= (select main_a main_x) 35) (= main_x main_y)), 53948#(or (<= (select main_a main_x) 36) (= main_x main_y)), 53949#(or (<= (select main_a main_x) 37) (= main_x main_y)), 53950#(or (<= (select main_a main_x) 38) (= main_x main_y)), 53951#(or (<= (select main_a main_x) 39) (= main_x main_y)), 53952#(or (<= (select main_a main_x) 40) (= main_x main_y)), 53953#(or (<= (select main_a main_x) 41) (= main_x main_y)), 53954#(or (<= (select main_a main_x) 42) (= main_x main_y)), 53955#(or (= main_x main_y) (<= (select main_a main_x) 43)), 53956#(or (= main_x main_y) (<= (select main_a main_x) 44)), 53957#(or (= main_x main_y) (<= (select main_a main_x) 45)), 53958#(or (<= (select main_a main_x) 46) (= main_x main_y)), 53959#(or (<= (select main_a main_x) 47) (= main_x main_y)), 53960#(or (<= (select main_a main_x) 48) (= main_x main_y)), 53961#(or (<= (select main_a main_x) 49) (= main_x main_y)), 53962#(or (<= (select main_a main_x) 50) (= main_x main_y)), 53963#(or (<= (select main_a main_x) 51) (= main_x main_y)), 53964#(or (= main_x main_y) (<= (select main_a main_x) 52)), 53965#(or (<= (select main_a main_x) 53) (= main_x main_y)), 53966#(or (<= (select main_a main_x) 54) (= main_x main_y)), 53967#(or (<= (select main_a main_x) 55) (= main_x main_y)), 53968#(or (= main_x main_y) (<= (select main_a main_x) 56)), 53969#(or (<= (select main_a main_x) 57) (= main_x main_y)), 53970#(or (<= (select main_a main_x) 58) (= main_x main_y)), 53971#(or (= main_x main_y) (<= (select main_a main_x) 59)), 53972#(or (= main_x main_y) (<= (select main_a main_x) 60)), 53973#(or (= main_x main_y) (<= (select main_a main_x) 61)), 53974#(or (<= (select main_a main_x) 62) (= main_x main_y)), 53975#(or (<= (select main_a main_x) 63) (= main_x main_y)), 53976#(or (= main_x main_y) (<= (select main_a main_x) 64)), 53977#(or (<= (select main_a main_x) 65) (= main_x main_y)), 53978#(or (= main_x main_y) (<= (select main_a main_x) 66)), 53979#(or (<= (select main_a main_x) 67) (= main_x main_y)), 53980#(or (= main_x main_y) (<= (select main_a main_x) 68)), 53981#(or (= main_x main_y) (<= (select main_a main_x) 69)), 53982#(or (<= (select main_a main_x) 70) (= main_x main_y)), 53983#(or (<= (select main_a main_x) 71) (= main_x main_y)), 53984#(or (= main_x main_y) (<= (select main_a main_x) 72)), 53985#(or (<= (select main_a main_x) 73) (= main_x main_y)), 53986#(or (= main_x main_y) (<= (select main_a main_x) 74)), 53987#(or (= main_x main_y) (<= (select main_a main_x) 75)), 53988#(or (<= (select main_a main_x) 76) (= main_x main_y)), 53989#(or (<= (select main_a main_x) 77) (= main_x main_y)), 53990#(or (<= (select main_a main_x) 78) (= main_x main_y)), 53991#(or (<= (select main_a main_x) 79) (= main_x main_y)), 53992#(or (<= (select main_a main_x) 80) (= main_x main_y)), 53993#(or (<= (select main_a main_x) 81) (= main_x main_y)), 53994#(or (<= (select main_a main_x) 82) (= main_x main_y)), 53995#(or (= main_x main_y) (<= (select main_a main_x) 83)), 53996#(or (<= (select main_a main_x) 84) (= main_x main_y)), 53997#(or (<= (select main_a main_x) 85) (= main_x main_y)), 53998#(or (<= (select main_a main_x) 86) (= main_x main_y)), 53999#(or (<= (select main_a main_x) 87) (= main_x main_y)), 54000#(or (<= (select main_a main_x) 88) (= main_x main_y)), 54001#(or (<= (select main_a main_x) 89) (= main_x main_y)), 54002#(or (<= (select main_a main_x) 90) (= main_x main_y)), 54003#(or (= main_x main_y) (<= (select main_a main_x) 91)), 54004#(or (<= (select main_a main_x) 92) (= main_x main_y)), 54005#(or (<= (select main_a main_x) 93) (= main_x main_y)), 54006#(or (= main_x main_y) (<= (select main_a main_x) 94)), 54007#(or (<= (select main_a main_x) 95) (= main_x main_y)), 54008#(or (<= (select main_a main_x) 96) (= main_x main_y)), 54009#(or (= main_x main_y) (<= (select main_a main_x) 97)), 54010#(or (<= (select main_a main_x) 98) (= main_x main_y)), 54011#(or (<= (select main_a main_x) 99) (= main_x main_y)), 54012#(or (<= (select main_a main_x) 100) (= main_x main_y)), 54013#(or (<= (select main_a main_x) 101) (= main_x main_y)), 54014#(or (= main_x main_y) (<= (select main_a main_x) 102)), 54015#(or (<= (select main_a main_x) 103) (= main_x main_y))] [2018-07-23 13:57:33,093 INFO L134 CoverageAnalysis]: Checked inductivity of 10153 backedges. 0 proven. 10153 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-07-23 13:57:33,093 INFO L450 AbstractCegarLoop]: Interpolant automaton has 145 states [2018-07-23 13:57:33,095 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 145 interpolants. [2018-07-23 13:57:33,096 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=10440, Invalid=10440, Unknown=0, NotChecked=0, Total=20880 [2018-07-23 13:57:33,096 INFO L87 Difference]: Start difference. First operand 146 states and 146 transitions. Second operand 145 states. [2018-07-23 13:57:33,274 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-07-23 13:57:33,275 INFO L93 Difference]: Finished difference Result 149 states and 149 transitions. [2018-07-23 13:57:33,275 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 145 states. [2018-07-23 13:57:33,275 INFO L78 Accepts]: Start accepts. Automaton has 145 states. Word has length 145 [2018-07-23 13:57:33,275 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-07-23 13:57:33,275 INFO L225 Difference]: With dead ends: 149 [2018-07-23 13:57:33,275 INFO L226 Difference]: Without dead ends: 147 [2018-07-23 13:57:33,277 INFO L575 BasicCegarLoop]: 0 DeclaredPredicates, 144 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 143 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 1.0s TimeCoverageRelationStatistics Valid=10440, Invalid=10440, Unknown=0, NotChecked=0, Total=20880 [2018-07-23 13:57:33,277 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 147 states. [2018-07-23 13:57:33,283 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 147 to 147. [2018-07-23 13:57:33,283 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 147 states. [2018-07-23 13:57:33,283 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 147 states to 147 states and 147 transitions. [2018-07-23 13:57:33,284 INFO L78 Accepts]: Start accepts. Automaton has 147 states and 147 transitions. Word has length 145 [2018-07-23 13:57:33,284 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-07-23 13:57:33,284 INFO L471 AbstractCegarLoop]: Abstraction has 147 states and 147 transitions. [2018-07-23 13:57:33,284 INFO L472 AbstractCegarLoop]: Interpolant automaton has 145 states. [2018-07-23 13:57:33,284 INFO L276 IsEmpty]: Start isEmpty. Operand 147 states and 147 transitions. [2018-07-23 13:57:33,284 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 147 [2018-07-23 13:57:33,284 INFO L349 BasicCegarLoop]: Found error trace [2018-07-23 13:57:33,284 INFO L357 BasicCegarLoop]: trace histogram [143, 1, 1, 1] [2018-07-23 13:57:33,284 INFO L414 AbstractCegarLoop]: === Iteration 144 === [mainErr0AssertViolationASSERT]=== [2018-07-23 13:57:33,285 INFO L82 PathProgramCache]: Analyzing trace with hash 304688710, now seen corresponding path program 143 times [2018-07-23 13:57:33,285 INFO L69 tionRefinementEngine]: Using refinement strategy FixedRefinementStrategy [2018-07-23 13:57:33,426 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-07-23 13:57:34,640 INFO L134 CoverageAnalysis]: Checked inductivity of 10296 backedges. 0 proven. 10296 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-07-23 13:57:34,641 INFO L309 seRefinementStrategy]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2018-07-23 13:57:34,641 INFO L324 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [145] total 145 [2018-07-23 13:57:34,641 INFO L142 lantAutomatonBuilder]: Constructing canonical interpolant automaton, with selfloop in false state [2018-07-23 13:57:34,641 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-07-23 13:57:34,642 INFO L185 omatonBuilderFactory]: Interpolants [54784#(or (= main_x main_y) (<= (select main_a main_x) 135)), 54785#(or (<= (select main_a main_x) 136) (= main_x main_y)), 54786#(or (<= (select main_a main_x) 137) (= main_x main_y)), 54787#(or (= main_x main_y) (<= (select main_a main_x) 138)), 54788#(or (= main_x main_y) (<= (select main_a main_x) 139)), 54789#(or (<= (select main_a main_x) 140) (= main_x main_y)), 54790#(or (<= (select main_a main_x) 141) (= main_x main_y)), 54791#(or (= main_x main_y) (<= (select main_a main_x) 142)), 54792#(or (not (= (select main_a main_x) 1000)) (= main_x main_y)), 54647#true, 54648#false, 54649#(or (= 0 (select main_a main_x)) (= main_x main_y)), 54650#(or (<= (select main_a main_x) 1) (= main_x main_y)), 54651#(or (= main_x main_y) (<= (select main_a main_x) 2)), 54652#(or (= main_x main_y) (<= (select main_a main_x) 3)), 54653#(or (<= (select main_a main_x) 4) (= main_x main_y)), 54654#(or (<= (select main_a main_x) 5) (= main_x main_y)), 54655#(or (<= (select main_a main_x) 6) (= main_x main_y)), 54656#(or (<= (select main_a main_x) 7) (= main_x main_y)), 54657#(or (<= (select main_a main_x) 8) (= main_x main_y)), 54658#(or (= main_x main_y) (<= (select main_a main_x) 9)), 54659#(or (= main_x main_y) (<= (select main_a main_x) 10)), 54660#(or (= main_x main_y) (<= (select main_a main_x) 11)), 54661#(or (<= (select main_a main_x) 12) (= main_x main_y)), 54662#(or (= main_x main_y) (<= (select main_a main_x) 13)), 54663#(or (<= (select main_a main_x) 14) (= main_x main_y)), 54664#(or (<= (select main_a main_x) 15) (= main_x main_y)), 54665#(or (<= (select main_a main_x) 16) (= main_x main_y)), 54666#(or (= main_x main_y) (<= (select main_a main_x) 17)), 54667#(or (<= (select main_a main_x) 18) (= main_x main_y)), 54668#(or (<= (select main_a main_x) 19) (= main_x main_y)), 54669#(or (= main_x main_y) (<= (select main_a main_x) 20)), 54670#(or (<= (select main_a main_x) 21) (= main_x main_y)), 54671#(or (= main_x main_y) (<= (select main_a main_x) 22)), 54672#(or (= main_x main_y) (<= (select main_a main_x) 23)), 54673#(or (<= (select main_a main_x) 24) (= main_x main_y)), 54674#(or (= main_x main_y) (<= (select main_a main_x) 25)), 54675#(or (<= (select main_a main_x) 26) (= main_x main_y)), 54676#(or (<= (select main_a main_x) 27) (= main_x main_y)), 54677#(or (<= (select main_a main_x) 28) (= main_x main_y)), 54678#(or (<= (select main_a main_x) 29) (= main_x main_y)), 54679#(or (= main_x main_y) (<= (select main_a main_x) 30)), 54680#(or (<= (select main_a main_x) 31) (= main_x main_y)), 54681#(or (<= (select main_a main_x) 32) (= main_x main_y)), 54682#(or (<= (select main_a main_x) 33) (= main_x main_y)), 54683#(or (<= (select main_a main_x) 34) (= main_x main_y)), 54684#(or (<= (select main_a main_x) 35) (= main_x main_y)), 54685#(or (<= (select main_a main_x) 36) (= main_x main_y)), 54686#(or (<= (select main_a main_x) 37) (= main_x main_y)), 54687#(or (<= (select main_a main_x) 38) (= main_x main_y)), 54688#(or (<= (select main_a main_x) 39) (= main_x main_y)), 54689#(or (<= (select main_a main_x) 40) (= main_x main_y)), 54690#(or (<= (select main_a main_x) 41) (= main_x main_y)), 54691#(or (<= (select main_a main_x) 42) (= main_x main_y)), 54692#(or (= main_x main_y) (<= (select main_a main_x) 43)), 54693#(or (= main_x main_y) (<= (select main_a main_x) 44)), 54694#(or (= main_x main_y) (<= (select main_a main_x) 45)), 54695#(or (<= (select main_a main_x) 46) (= main_x main_y)), 54696#(or (<= (select main_a main_x) 47) (= main_x main_y)), 54697#(or (<= (select main_a main_x) 48) (= main_x main_y)), 54698#(or (<= (select main_a main_x) 49) (= main_x main_y)), 54699#(or (<= (select main_a main_x) 50) (= main_x main_y)), 54700#(or (<= (select main_a main_x) 51) (= main_x main_y)), 54701#(or (= main_x main_y) (<= (select main_a main_x) 52)), 54702#(or (<= (select main_a main_x) 53) (= main_x main_y)), 54703#(or (<= (select main_a main_x) 54) (= main_x main_y)), 54704#(or (<= (select main_a main_x) 55) (= main_x main_y)), 54705#(or (= main_x main_y) (<= (select main_a main_x) 56)), 54706#(or (<= (select main_a main_x) 57) (= main_x main_y)), 54707#(or (<= (select main_a main_x) 58) (= main_x main_y)), 54708#(or (= main_x main_y) (<= (select main_a main_x) 59)), 54709#(or (= main_x main_y) (<= (select main_a main_x) 60)), 54710#(or (= main_x main_y) (<= (select main_a main_x) 61)), 54711#(or (<= (select main_a main_x) 62) (= main_x main_y)), 54712#(or (<= (select main_a main_x) 63) (= main_x main_y)), 54713#(or (= main_x main_y) (<= (select main_a main_x) 64)), 54714#(or (<= (select main_a main_x) 65) (= main_x main_y)), 54715#(or (= main_x main_y) (<= (select main_a main_x) 66)), 54716#(or (<= (select main_a main_x) 67) (= main_x main_y)), 54717#(or (= main_x main_y) (<= (select main_a main_x) 68)), 54718#(or (= main_x main_y) (<= (select main_a main_x) 69)), 54719#(or (<= (select main_a main_x) 70) (= main_x main_y)), 54720#(or (<= (select main_a main_x) 71) (= main_x main_y)), 54721#(or (= main_x main_y) (<= (select main_a main_x) 72)), 54722#(or (<= (select main_a main_x) 73) (= main_x main_y)), 54723#(or (= main_x main_y) (<= (select main_a main_x) 74)), 54724#(or (= main_x main_y) (<= (select main_a main_x) 75)), 54725#(or (<= (select main_a main_x) 76) (= main_x main_y)), 54726#(or (<= (select main_a main_x) 77) (= main_x main_y)), 54727#(or (<= (select main_a main_x) 78) (= main_x main_y)), 54728#(or (<= (select main_a main_x) 79) (= main_x main_y)), 54729#(or (<= (select main_a main_x) 80) (= main_x main_y)), 54730#(or (<= (select main_a main_x) 81) (= main_x main_y)), 54731#(or (<= (select main_a main_x) 82) (= main_x main_y)), 54732#(or (= main_x main_y) (<= (select main_a main_x) 83)), 54733#(or (<= (select main_a main_x) 84) (= main_x main_y)), 54734#(or (<= (select main_a main_x) 85) (= main_x main_y)), 54735#(or (<= (select main_a main_x) 86) (= main_x main_y)), 54736#(or (<= (select main_a main_x) 87) (= main_x main_y)), 54737#(or (<= (select main_a main_x) 88) (= main_x main_y)), 54738#(or (<= (select main_a main_x) 89) (= main_x main_y)), 54739#(or (<= (select main_a main_x) 90) (= main_x main_y)), 54740#(or (= main_x main_y) (<= (select main_a main_x) 91)), 54741#(or (<= (select main_a main_x) 92) (= main_x main_y)), 54742#(or (<= (select main_a main_x) 93) (= main_x main_y)), 54743#(or (= main_x main_y) (<= (select main_a main_x) 94)), 54744#(or (<= (select main_a main_x) 95) (= main_x main_y)), 54745#(or (<= (select main_a main_x) 96) (= main_x main_y)), 54746#(or (= main_x main_y) (<= (select main_a main_x) 97)), 54747#(or (<= (select main_a main_x) 98) (= main_x main_y)), 54748#(or (<= (select main_a main_x) 99) (= main_x main_y)), 54749#(or (<= (select main_a main_x) 100) (= main_x main_y)), 54750#(or (<= (select main_a main_x) 101) (= main_x main_y)), 54751#(or (= main_x main_y) (<= (select main_a main_x) 102)), 54752#(or (<= (select main_a main_x) 103) (= main_x main_y)), 54753#(or (<= (select main_a main_x) 104) (= main_x main_y)), 54754#(or (= main_x main_y) (<= (select main_a main_x) 105)), 54755#(or (= main_x main_y) (<= (select main_a main_x) 106)), 54756#(or (<= (select main_a main_x) 107) (= main_x main_y)), 54757#(or (<= (select main_a main_x) 108) (= main_x main_y)), 54758#(or (= main_x main_y) (<= (select main_a main_x) 109)), 54759#(or (= main_x main_y) (<= (select main_a main_x) 110)), 54760#(or (<= (select main_a main_x) 111) (= main_x main_y)), 54761#(or (<= (select main_a main_x) 112) (= main_x main_y)), 54762#(or (<= (select main_a main_x) 113) (= main_x main_y)), 54763#(or (= main_x main_y) (<= (select main_a main_x) 114)), 54764#(or (= main_x main_y) (<= (select main_a main_x) 115)), 54765#(or (<= (select main_a main_x) 116) (= main_x main_y)), 54766#(or (<= (select main_a main_x) 117) (= main_x main_y)), 54767#(or (= main_x main_y) (<= (select main_a main_x) 118)), 54768#(or (= main_x main_y) (<= (select main_a main_x) 119)), 54769#(or (<= (select main_a main_x) 120) (= main_x main_y)), 54770#(or (= main_x main_y) (<= (select main_a main_x) 121)), 54771#(or (<= (select main_a main_x) 122) (= main_x main_y)), 54772#(or (= main_x main_y) (<= (select main_a main_x) 123)), 54773#(or (= main_x main_y) (<= (select main_a main_x) 124)), 54774#(or (<= (select main_a main_x) 125) (= main_x main_y)), 54775#(or (= main_x main_y) (<= (select main_a main_x) 126)), 54776#(or (<= (select main_a main_x) 127) (= main_x main_y)), 54777#(or (= main_x main_y) (<= (select main_a main_x) 128)), 54778#(or (= main_x main_y) (<= (select main_a main_x) 129)), 54779#(or (= main_x main_y) (<= (select main_a main_x) 130)), 54780#(or (<= (select main_a main_x) 131) (= main_x main_y)), 54781#(or (<= (select main_a main_x) 132) (= main_x main_y)), 54782#(or (= main_x main_y) (<= (select main_a main_x) 133)), 54783#(or (= main_x main_y) (<= (select main_a main_x) 134))] [2018-07-23 13:57:34,642 INFO L134 CoverageAnalysis]: Checked inductivity of 10296 backedges. 0 proven. 10296 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-07-23 13:57:34,642 INFO L450 AbstractCegarLoop]: Interpolant automaton has 146 states [2018-07-23 13:57:34,644 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 146 interpolants. [2018-07-23 13:57:34,644 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=10585, Invalid=10585, Unknown=0, NotChecked=0, Total=21170 [2018-07-23 13:57:34,645 INFO L87 Difference]: Start difference. First operand 147 states and 147 transitions. Second operand 146 states. [2018-07-23 13:57:34,982 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-07-23 13:57:34,982 INFO L93 Difference]: Finished difference Result 150 states and 150 transitions. [2018-07-23 13:57:34,983 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 146 states. [2018-07-23 13:57:34,983 INFO L78 Accepts]: Start accepts. Automaton has 146 states. Word has length 146 [2018-07-23 13:57:34,983 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-07-23 13:57:34,983 INFO L225 Difference]: With dead ends: 150 [2018-07-23 13:57:34,983 INFO L226 Difference]: Without dead ends: 148 [2018-07-23 13:57:34,985 INFO L575 BasicCegarLoop]: 0 DeclaredPredicates, 145 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 144 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 1.0s TimeCoverageRelationStatistics Valid=10585, Invalid=10585, Unknown=0, NotChecked=0, Total=21170 [2018-07-23 13:57:34,985 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 148 states. [2018-07-23 13:57:34,992 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 148 to 148. [2018-07-23 13:57:34,992 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 148 states. [2018-07-23 13:57:34,992 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 148 states to 148 states and 148 transitions. [2018-07-23 13:57:34,992 INFO L78 Accepts]: Start accepts. Automaton has 148 states and 148 transitions. Word has length 146 [2018-07-23 13:57:34,993 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-07-23 13:57:34,993 INFO L471 AbstractCegarLoop]: Abstraction has 148 states and 148 transitions. [2018-07-23 13:57:34,993 INFO L472 AbstractCegarLoop]: Interpolant automaton has 146 states. [2018-07-23 13:57:34,993 INFO L276 IsEmpty]: Start isEmpty. Operand 148 states and 148 transitions. [2018-07-23 13:57:34,993 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 148 [2018-07-23 13:57:34,993 INFO L349 BasicCegarLoop]: Found error trace [2018-07-23 13:57:34,993 INFO L357 BasicCegarLoop]: trace histogram [144, 1, 1, 1] [2018-07-23 13:57:34,993 INFO L414 AbstractCegarLoop]: === Iteration 145 === [mainErr0AssertViolationASSERT]=== [2018-07-23 13:57:34,993 INFO L82 PathProgramCache]: Analyzing trace with hash 855411552, now seen corresponding path program 144 times [2018-07-23 13:57:34,994 INFO L69 tionRefinementEngine]: Using refinement strategy FixedRefinementStrategy [2018-07-23 13:57:35,166 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-07-23 13:57:36,395 INFO L134 CoverageAnalysis]: Checked inductivity of 10440 backedges. 0 proven. 10440 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-07-23 13:57:36,395 INFO L309 seRefinementStrategy]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2018-07-23 13:57:36,395 INFO L324 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [146] total 146 [2018-07-23 13:57:36,395 INFO L142 lantAutomatonBuilder]: Constructing canonical interpolant automaton, with selfloop in false state [2018-07-23 13:57:36,396 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-07-23 13:57:36,396 INFO L185 omatonBuilderFactory]: Interpolants [55389#true, 55390#false, 55391#(or (= 0 (select main_a main_x)) (= main_x main_y)), 55392#(or (<= (select main_a main_x) 1) (= main_x main_y)), 55393#(or (= main_x main_y) (<= (select main_a main_x) 2)), 55394#(or (= main_x main_y) (<= (select main_a main_x) 3)), 55395#(or (<= (select main_a main_x) 4) (= main_x main_y)), 55396#(or (<= (select main_a main_x) 5) (= main_x main_y)), 55397#(or (<= (select main_a main_x) 6) (= main_x main_y)), 55398#(or (<= (select main_a main_x) 7) (= main_x main_y)), 55399#(or (<= (select main_a main_x) 8) (= main_x main_y)), 55400#(or (= main_x main_y) (<= (select main_a main_x) 9)), 55401#(or (= main_x main_y) (<= (select main_a main_x) 10)), 55402#(or (= main_x main_y) (<= (select main_a main_x) 11)), 55403#(or (<= (select main_a main_x) 12) (= main_x main_y)), 55404#(or (= main_x main_y) (<= (select main_a main_x) 13)), 55405#(or (<= (select main_a main_x) 14) (= main_x main_y)), 55406#(or (<= (select main_a main_x) 15) (= main_x main_y)), 55407#(or (<= (select main_a main_x) 16) (= main_x main_y)), 55408#(or (= main_x main_y) (<= (select main_a main_x) 17)), 55409#(or (<= (select main_a main_x) 18) (= main_x main_y)), 55410#(or (<= (select main_a main_x) 19) (= main_x main_y)), 55411#(or (= main_x main_y) (<= (select main_a main_x) 20)), 55412#(or (<= (select main_a main_x) 21) (= main_x main_y)), 55413#(or (= main_x main_y) (<= (select main_a main_x) 22)), 55414#(or (= main_x main_y) (<= (select main_a main_x) 23)), 55415#(or (<= (select main_a main_x) 24) (= main_x main_y)), 55416#(or (= main_x main_y) (<= (select main_a main_x) 25)), 55417#(or (<= (select main_a main_x) 26) (= main_x main_y)), 55418#(or (<= (select main_a main_x) 27) (= main_x main_y)), 55419#(or (<= (select main_a main_x) 28) (= main_x main_y)), 55420#(or (<= (select main_a main_x) 29) (= main_x main_y)), 55421#(or (= main_x main_y) (<= (select main_a main_x) 30)), 55422#(or (<= (select main_a main_x) 31) (= main_x main_y)), 55423#(or (<= (select main_a main_x) 32) (= main_x main_y)), 55424#(or (<= (select main_a main_x) 33) (= main_x main_y)), 55425#(or (<= (select main_a main_x) 34) (= main_x main_y)), 55426#(or (<= (select main_a main_x) 35) (= main_x main_y)), 55427#(or (<= (select main_a main_x) 36) (= main_x main_y)), 55428#(or (<= (select main_a main_x) 37) (= main_x main_y)), 55429#(or (<= (select main_a main_x) 38) (= main_x main_y)), 55430#(or (<= (select main_a main_x) 39) (= main_x main_y)), 55431#(or (<= (select main_a main_x) 40) (= main_x main_y)), 55432#(or (<= (select main_a main_x) 41) (= main_x main_y)), 55433#(or (<= (select main_a main_x) 42) (= main_x main_y)), 55434#(or (= main_x main_y) (<= (select main_a main_x) 43)), 55435#(or (= main_x main_y) (<= (select main_a main_x) 44)), 55436#(or (= main_x main_y) (<= (select main_a main_x) 45)), 55437#(or (<= (select main_a main_x) 46) (= main_x main_y)), 55438#(or (<= (select main_a main_x) 47) (= main_x main_y)), 55439#(or (<= (select main_a main_x) 48) (= main_x main_y)), 55440#(or (<= (select main_a main_x) 49) (= main_x main_y)), 55441#(or (<= (select main_a main_x) 50) (= main_x main_y)), 55442#(or (<= (select main_a main_x) 51) (= main_x main_y)), 55443#(or (= main_x main_y) (<= (select main_a main_x) 52)), 55444#(or (<= (select main_a main_x) 53) (= main_x main_y)), 55445#(or (<= (select main_a main_x) 54) (= main_x main_y)), 55446#(or (<= (select main_a main_x) 55) (= main_x main_y)), 55447#(or (= main_x main_y) (<= (select main_a main_x) 56)), 55448#(or (<= (select main_a main_x) 57) (= main_x main_y)), 55449#(or (<= (select main_a main_x) 58) (= main_x main_y)), 55450#(or (= main_x main_y) (<= (select main_a main_x) 59)), 55451#(or (= main_x main_y) (<= (select main_a main_x) 60)), 55452#(or (= main_x main_y) (<= (select main_a main_x) 61)), 55453#(or (<= (select main_a main_x) 62) (= main_x main_y)), 55454#(or (<= (select main_a main_x) 63) (= main_x main_y)), 55455#(or (= main_x main_y) (<= (select main_a main_x) 64)), 55456#(or (<= (select main_a main_x) 65) (= main_x main_y)), 55457#(or (= main_x main_y) (<= (select main_a main_x) 66)), 55458#(or (<= (select main_a main_x) 67) (= main_x main_y)), 55459#(or (= main_x main_y) (<= (select main_a main_x) 68)), 55460#(or (= main_x main_y) (<= (select main_a main_x) 69)), 55461#(or (<= (select main_a main_x) 70) (= main_x main_y)), 55462#(or (<= (select main_a main_x) 71) (= main_x main_y)), 55463#(or (= main_x main_y) (<= (select main_a main_x) 72)), 55464#(or (<= (select main_a main_x) 73) (= main_x main_y)), 55465#(or (= main_x main_y) (<= (select main_a main_x) 74)), 55466#(or (= main_x main_y) (<= (select main_a main_x) 75)), 55467#(or (<= (select main_a main_x) 76) (= main_x main_y)), 55468#(or (<= (select main_a main_x) 77) (= main_x main_y)), 55469#(or (<= (select main_a main_x) 78) (= main_x main_y)), 55470#(or (<= (select main_a main_x) 79) (= main_x main_y)), 55471#(or (<= (select main_a main_x) 80) (= main_x main_y)), 55472#(or (<= (select main_a main_x) 81) (= main_x main_y)), 55473#(or (<= (select main_a main_x) 82) (= main_x main_y)), 55474#(or (= main_x main_y) (<= (select main_a main_x) 83)), 55475#(or (<= (select main_a main_x) 84) (= main_x main_y)), 55476#(or (<= (select main_a main_x) 85) (= main_x main_y)), 55477#(or (<= (select main_a main_x) 86) (= main_x main_y)), 55478#(or (<= (select main_a main_x) 87) (= main_x main_y)), 55479#(or (<= (select main_a main_x) 88) (= main_x main_y)), 55480#(or (<= (select main_a main_x) 89) (= main_x main_y)), 55481#(or (<= (select main_a main_x) 90) (= main_x main_y)), 55482#(or (= main_x main_y) (<= (select main_a main_x) 91)), 55483#(or (<= (select main_a main_x) 92) (= main_x main_y)), 55484#(or (<= (select main_a main_x) 93) (= main_x main_y)), 55485#(or (= main_x main_y) (<= (select main_a main_x) 94)), 55486#(or (<= (select main_a main_x) 95) (= main_x main_y)), 55487#(or (<= (select main_a main_x) 96) (= main_x main_y)), 55488#(or (= main_x main_y) (<= (select main_a main_x) 97)), 55489#(or (<= (select main_a main_x) 98) (= main_x main_y)), 55490#(or (<= (select main_a main_x) 99) (= main_x main_y)), 55491#(or (<= (select main_a main_x) 100) (= main_x main_y)), 55492#(or (<= (select main_a main_x) 101) (= main_x main_y)), 55493#(or (= main_x main_y) (<= (select main_a main_x) 102)), 55494#(or (<= (select main_a main_x) 103) (= main_x main_y)), 55495#(or (<= (select main_a main_x) 104) (= main_x main_y)), 55496#(or (= main_x main_y) (<= (select main_a main_x) 105)), 55497#(or (= main_x main_y) (<= (select main_a main_x) 106)), 55498#(or (<= (select main_a main_x) 107) (= main_x main_y)), 55499#(or (<= (select main_a main_x) 108) (= main_x main_y)), 55500#(or (= main_x main_y) (<= (select main_a main_x) 109)), 55501#(or (= main_x main_y) (<= (select main_a main_x) 110)), 55502#(or (<= (select main_a main_x) 111) (= main_x main_y)), 55503#(or (<= (select main_a main_x) 112) (= main_x main_y)), 55504#(or (<= (select main_a main_x) 113) (= main_x main_y)), 55505#(or (= main_x main_y) (<= (select main_a main_x) 114)), 55506#(or (= main_x main_y) (<= (select main_a main_x) 115)), 55507#(or (<= (select main_a main_x) 116) (= main_x main_y)), 55508#(or (<= (select main_a main_x) 117) (= main_x main_y)), 55509#(or (= main_x main_y) (<= (select main_a main_x) 118)), 55510#(or (= main_x main_y) (<= (select main_a main_x) 119)), 55511#(or (<= (select main_a main_x) 120) (= main_x main_y)), 55512#(or (= main_x main_y) (<= (select main_a main_x) 121)), 55513#(or (<= (select main_a main_x) 122) (= main_x main_y)), 55514#(or (= main_x main_y) (<= (select main_a main_x) 123)), 55515#(or (= main_x main_y) (<= (select main_a main_x) 124)), 55516#(or (<= (select main_a main_x) 125) (= main_x main_y)), 55517#(or (= main_x main_y) (<= (select main_a main_x) 126)), 55518#(or (<= (select main_a main_x) 127) (= main_x main_y)), 55519#(or (= main_x main_y) (<= (select main_a main_x) 128)), 55520#(or (= main_x main_y) (<= (select main_a main_x) 129)), 55521#(or (= main_x main_y) (<= (select main_a main_x) 130)), 55522#(or (<= (select main_a main_x) 131) (= main_x main_y)), 55523#(or (<= (select main_a main_x) 132) (= main_x main_y)), 55524#(or (= main_x main_y) (<= (select main_a main_x) 133)), 55525#(or (= main_x main_y) (<= (select main_a main_x) 134)), 55526#(or (= main_x main_y) (<= (select main_a main_x) 135)), 55527#(or (<= (select main_a main_x) 136) (= main_x main_y)), 55528#(or (<= (select main_a main_x) 137) (= main_x main_y)), 55529#(or (= main_x main_y) (<= (select main_a main_x) 138)), 55530#(or (= main_x main_y) (<= (select main_a main_x) 139)), 55531#(or (<= (select main_a main_x) 140) (= main_x main_y)), 55532#(or (<= (select main_a main_x) 141) (= main_x main_y)), 55533#(or (= main_x main_y) (<= (select main_a main_x) 142)), 55534#(or (= main_x main_y) (<= (select main_a main_x) 143)), 55535#(or (not (= (select main_a main_x) 1000)) (= main_x main_y))] [2018-07-23 13:57:36,397 INFO L134 CoverageAnalysis]: Checked inductivity of 10440 backedges. 0 proven. 10440 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-07-23 13:57:36,397 INFO L450 AbstractCegarLoop]: Interpolant automaton has 147 states [2018-07-23 13:57:36,398 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 147 interpolants. [2018-07-23 13:57:36,399 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=10731, Invalid=10731, Unknown=0, NotChecked=0, Total=21462 [2018-07-23 13:57:36,399 INFO L87 Difference]: Start difference. First operand 148 states and 148 transitions. Second operand 147 states. [2018-07-23 13:57:36,771 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-07-23 13:57:36,771 INFO L93 Difference]: Finished difference Result 151 states and 151 transitions. [2018-07-23 13:57:36,772 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 147 states. [2018-07-23 13:57:36,772 INFO L78 Accepts]: Start accepts. Automaton has 147 states. Word has length 147 [2018-07-23 13:57:36,772 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-07-23 13:57:36,772 INFO L225 Difference]: With dead ends: 151 [2018-07-23 13:57:36,772 INFO L226 Difference]: Without dead ends: 149 [2018-07-23 13:57:36,773 INFO L575 BasicCegarLoop]: 0 DeclaredPredicates, 146 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 145 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 1.0s TimeCoverageRelationStatistics Valid=10731, Invalid=10731, Unknown=0, NotChecked=0, Total=21462 [2018-07-23 13:57:36,773 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 149 states. [2018-07-23 13:57:36,781 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 149 to 149. [2018-07-23 13:57:36,781 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 149 states. [2018-07-23 13:57:36,781 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 149 states to 149 states and 149 transitions. [2018-07-23 13:57:36,781 INFO L78 Accepts]: Start accepts. Automaton has 149 states and 149 transitions. Word has length 147 [2018-07-23 13:57:36,781 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-07-23 13:57:36,781 INFO L471 AbstractCegarLoop]: Abstraction has 149 states and 149 transitions. [2018-07-23 13:57:36,781 INFO L472 AbstractCegarLoop]: Interpolant automaton has 147 states. [2018-07-23 13:57:36,781 INFO L276 IsEmpty]: Start isEmpty. Operand 149 states and 149 transitions. [2018-07-23 13:57:36,782 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 149 [2018-07-23 13:57:36,782 INFO L349 BasicCegarLoop]: Found error trace [2018-07-23 13:57:36,782 INFO L357 BasicCegarLoop]: trace histogram [145, 1, 1, 1] [2018-07-23 13:57:36,782 INFO L414 AbstractCegarLoop]: === Iteration 146 === [mainErr0AssertViolationASSERT]=== [2018-07-23 13:57:36,782 INFO L82 PathProgramCache]: Analyzing trace with hash 747950470, now seen corresponding path program 145 times [2018-07-23 13:57:36,782 INFO L69 tionRefinementEngine]: Using refinement strategy FixedRefinementStrategy [2018-07-23 13:57:36,956 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-07-23 13:57:38,159 INFO L134 CoverageAnalysis]: Checked inductivity of 10585 backedges. 0 proven. 10585 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-07-23 13:57:38,160 INFO L309 seRefinementStrategy]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2018-07-23 13:57:38,160 INFO L324 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [147] total 147 [2018-07-23 13:57:38,160 INFO L142 lantAutomatonBuilder]: Constructing canonical interpolant automaton, with selfloop in false state [2018-07-23 13:57:38,160 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-07-23 13:57:38,160 INFO L185 omatonBuilderFactory]: Interpolants [56136#true, 56137#false, 56138#(or (= 0 (select main_a main_x)) (= main_x main_y)), 56139#(or (<= (select main_a main_x) 1) (= main_x main_y)), 56140#(or (= main_x main_y) (<= (select main_a main_x) 2)), 56141#(or (= main_x main_y) (<= (select main_a main_x) 3)), 56142#(or (<= (select main_a main_x) 4) (= main_x main_y)), 56143#(or (<= (select main_a main_x) 5) (= main_x main_y)), 56144#(or (<= (select main_a main_x) 6) (= main_x main_y)), 56145#(or (<= (select main_a main_x) 7) (= main_x main_y)), 56146#(or (<= (select main_a main_x) 8) (= main_x main_y)), 56147#(or (= main_x main_y) (<= (select main_a main_x) 9)), 56148#(or (= main_x main_y) (<= (select main_a main_x) 10)), 56149#(or (= main_x main_y) (<= (select main_a main_x) 11)), 56150#(or (<= (select main_a main_x) 12) (= main_x main_y)), 56151#(or (= main_x main_y) (<= (select main_a main_x) 13)), 56152#(or (<= (select main_a main_x) 14) (= main_x main_y)), 56153#(or (<= (select main_a main_x) 15) (= main_x main_y)), 56154#(or (<= (select main_a main_x) 16) (= main_x main_y)), 56155#(or (= main_x main_y) (<= (select main_a main_x) 17)), 56156#(or (<= (select main_a main_x) 18) (= main_x main_y)), 56157#(or (<= (select main_a main_x) 19) (= main_x main_y)), 56158#(or (= main_x main_y) (<= (select main_a main_x) 20)), 56159#(or (<= (select main_a main_x) 21) (= main_x main_y)), 56160#(or (= main_x main_y) (<= (select main_a main_x) 22)), 56161#(or (= main_x main_y) (<= (select main_a main_x) 23)), 56162#(or (<= (select main_a main_x) 24) (= main_x main_y)), 56163#(or (= main_x main_y) (<= (select main_a main_x) 25)), 56164#(or (<= (select main_a main_x) 26) (= main_x main_y)), 56165#(or (<= (select main_a main_x) 27) (= main_x main_y)), 56166#(or (<= (select main_a main_x) 28) (= main_x main_y)), 56167#(or (<= (select main_a main_x) 29) (= main_x main_y)), 56168#(or (= main_x main_y) (<= (select main_a main_x) 30)), 56169#(or (<= (select main_a main_x) 31) (= main_x main_y)), 56170#(or (<= (select main_a main_x) 32) (= main_x main_y)), 56171#(or (<= (select main_a main_x) 33) (= main_x main_y)), 56172#(or (<= (select main_a main_x) 34) (= main_x main_y)), 56173#(or (<= (select main_a main_x) 35) (= main_x main_y)), 56174#(or (<= (select main_a main_x) 36) (= main_x main_y)), 56175#(or (<= (select main_a main_x) 37) (= main_x main_y)), 56176#(or (<= (select main_a main_x) 38) (= main_x main_y)), 56177#(or (<= (select main_a main_x) 39) (= main_x main_y)), 56178#(or (<= (select main_a main_x) 40) (= main_x main_y)), 56179#(or (<= (select main_a main_x) 41) (= main_x main_y)), 56180#(or (<= (select main_a main_x) 42) (= main_x main_y)), 56181#(or (= main_x main_y) (<= (select main_a main_x) 43)), 56182#(or (= main_x main_y) (<= (select main_a main_x) 44)), 56183#(or (= main_x main_y) (<= (select main_a main_x) 45)), 56184#(or (<= (select main_a main_x) 46) (= main_x main_y)), 56185#(or (<= (select main_a main_x) 47) (= main_x main_y)), 56186#(or (<= (select main_a main_x) 48) (= main_x main_y)), 56187#(or (<= (select main_a main_x) 49) (= main_x main_y)), 56188#(or (<= (select main_a main_x) 50) (= main_x main_y)), 56189#(or (<= (select main_a main_x) 51) (= main_x main_y)), 56190#(or (= main_x main_y) (<= (select main_a main_x) 52)), 56191#(or (<= (select main_a main_x) 53) (= main_x main_y)), 56192#(or (<= (select main_a main_x) 54) (= main_x main_y)), 56193#(or (<= (select main_a main_x) 55) (= main_x main_y)), 56194#(or (= main_x main_y) (<= (select main_a main_x) 56)), 56195#(or (<= (select main_a main_x) 57) (= main_x main_y)), 56196#(or (<= (select main_a main_x) 58) (= main_x main_y)), 56197#(or (= main_x main_y) (<= (select main_a main_x) 59)), 56198#(or (= main_x main_y) (<= (select main_a main_x) 60)), 56199#(or (= main_x main_y) (<= (select main_a main_x) 61)), 56200#(or (<= (select main_a main_x) 62) (= main_x main_y)), 56201#(or (<= (select main_a main_x) 63) (= main_x main_y)), 56202#(or (= main_x main_y) (<= (select main_a main_x) 64)), 56203#(or (<= (select main_a main_x) 65) (= main_x main_y)), 56204#(or (= main_x main_y) (<= (select main_a main_x) 66)), 56205#(or (<= (select main_a main_x) 67) (= main_x main_y)), 56206#(or (= main_x main_y) (<= (select main_a main_x) 68)), 56207#(or (= main_x main_y) (<= (select main_a main_x) 69)), 56208#(or (<= (select main_a main_x) 70) (= main_x main_y)), 56209#(or (<= (select main_a main_x) 71) (= main_x main_y)), 56210#(or (= main_x main_y) (<= (select main_a main_x) 72)), 56211#(or (<= (select main_a main_x) 73) (= main_x main_y)), 56212#(or (= main_x main_y) (<= (select main_a main_x) 74)), 56213#(or (= main_x main_y) (<= (select main_a main_x) 75)), 56214#(or (<= (select main_a main_x) 76) (= main_x main_y)), 56215#(or (<= (select main_a main_x) 77) (= main_x main_y)), 56216#(or (<= (select main_a main_x) 78) (= main_x main_y)), 56217#(or (<= (select main_a main_x) 79) (= main_x main_y)), 56218#(or (<= (select main_a main_x) 80) (= main_x main_y)), 56219#(or (<= (select main_a main_x) 81) (= main_x main_y)), 56220#(or (<= (select main_a main_x) 82) (= main_x main_y)), 56221#(or (= main_x main_y) (<= (select main_a main_x) 83)), 56222#(or (<= (select main_a main_x) 84) (= main_x main_y)), 56223#(or (<= (select main_a main_x) 85) (= main_x main_y)), 56224#(or (<= (select main_a main_x) 86) (= main_x main_y)), 56225#(or (<= (select main_a main_x) 87) (= main_x main_y)), 56226#(or (<= (select main_a main_x) 88) (= main_x main_y)), 56227#(or (<= (select main_a main_x) 89) (= main_x main_y)), 56228#(or (<= (select main_a main_x) 90) (= main_x main_y)), 56229#(or (= main_x main_y) (<= (select main_a main_x) 91)), 56230#(or (<= (select main_a main_x) 92) (= main_x main_y)), 56231#(or (<= (select main_a main_x) 93) (= main_x main_y)), 56232#(or (= main_x main_y) (<= (select main_a main_x) 94)), 56233#(or (<= (select main_a main_x) 95) (= main_x main_y)), 56234#(or (<= (select main_a main_x) 96) (= main_x main_y)), 56235#(or (= main_x main_y) (<= (select main_a main_x) 97)), 56236#(or (<= (select main_a main_x) 98) (= main_x main_y)), 56237#(or (<= (select main_a main_x) 99) (= main_x main_y)), 56238#(or (<= (select main_a main_x) 100) (= main_x main_y)), 56239#(or (<= (select main_a main_x) 101) (= main_x main_y)), 56240#(or (= main_x main_y) (<= (select main_a main_x) 102)), 56241#(or (<= (select main_a main_x) 103) (= main_x main_y)), 56242#(or (<= (select main_a main_x) 104) (= main_x main_y)), 56243#(or (= main_x main_y) (<= (select main_a main_x) 105)), 56244#(or (= main_x main_y) (<= (select main_a main_x) 106)), 56245#(or (<= (select main_a main_x) 107) (= main_x main_y)), 56246#(or (<= (select main_a main_x) 108) (= main_x main_y)), 56247#(or (= main_x main_y) (<= (select main_a main_x) 109)), 56248#(or (= main_x main_y) (<= (select main_a main_x) 110)), 56249#(or (<= (select main_a main_x) 111) (= main_x main_y)), 56250#(or (<= (select main_a main_x) 112) (= main_x main_y)), 56251#(or (<= (select main_a main_x) 113) (= main_x main_y)), 56252#(or (= main_x main_y) (<= (select main_a main_x) 114)), 56253#(or (= main_x main_y) (<= (select main_a main_x) 115)), 56254#(or (<= (select main_a main_x) 116) (= main_x main_y)), 56255#(or (<= (select main_a main_x) 117) (= main_x main_y)), 56256#(or (= main_x main_y) (<= (select main_a main_x) 118)), 56257#(or (= main_x main_y) (<= (select main_a main_x) 119)), 56258#(or (<= (select main_a main_x) 120) (= main_x main_y)), 56259#(or (= main_x main_y) (<= (select main_a main_x) 121)), 56260#(or (<= (select main_a main_x) 122) (= main_x main_y)), 56261#(or (= main_x main_y) (<= (select main_a main_x) 123)), 56262#(or (= main_x main_y) (<= (select main_a main_x) 124)), 56263#(or (<= (select main_a main_x) 125) (= main_x main_y)), 56264#(or (= main_x main_y) (<= (select main_a main_x) 126)), 56265#(or (<= (select main_a main_x) 127) (= main_x main_y)), 56266#(or (= main_x main_y) (<= (select main_a main_x) 128)), 56267#(or (= main_x main_y) (<= (select main_a main_x) 129)), 56268#(or (= main_x main_y) (<= (select main_a main_x) 130)), 56269#(or (<= (select main_a main_x) 131) (= main_x main_y)), 56270#(or (<= (select main_a main_x) 132) (= main_x main_y)), 56271#(or (= main_x main_y) (<= (select main_a main_x) 133)), 56272#(or (= main_x main_y) (<= (select main_a main_x) 134)), 56273#(or (= main_x main_y) (<= (select main_a main_x) 135)), 56274#(or (<= (select main_a main_x) 136) (= main_x main_y)), 56275#(or (<= (select main_a main_x) 137) (= main_x main_y)), 56276#(or (= main_x main_y) (<= (select main_a main_x) 138)), 56277#(or (= main_x main_y) (<= (select main_a main_x) 139)), 56278#(or (<= (select main_a main_x) 140) (= main_x main_y)), 56279#(or (<= (select main_a main_x) 141) (= main_x main_y)), 56280#(or (= main_x main_y) (<= (select main_a main_x) 142)), 56281#(or (= main_x main_y) (<= (select main_a main_x) 143)), 56282#(or (<= (select main_a main_x) 144) (= main_x main_y)), 56283#(or (not (= (select main_a main_x) 1000)) (= main_x main_y))] [2018-07-23 13:57:38,161 INFO L134 CoverageAnalysis]: Checked inductivity of 10585 backedges. 0 proven. 10585 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-07-23 13:57:38,161 INFO L450 AbstractCegarLoop]: Interpolant automaton has 148 states [2018-07-23 13:57:38,162 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 148 interpolants. [2018-07-23 13:57:38,163 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=10878, Invalid=10878, Unknown=0, NotChecked=0, Total=21756 [2018-07-23 13:57:38,163 INFO L87 Difference]: Start difference. First operand 149 states and 149 transitions. Second operand 148 states. [2018-07-23 13:57:38,547 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-07-23 13:57:38,547 INFO L93 Difference]: Finished difference Result 152 states and 152 transitions. [2018-07-23 13:57:38,547 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 148 states. [2018-07-23 13:57:38,547 INFO L78 Accepts]: Start accepts. Automaton has 148 states. Word has length 148 [2018-07-23 13:57:38,548 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-07-23 13:57:38,548 INFO L225 Difference]: With dead ends: 152 [2018-07-23 13:57:38,548 INFO L226 Difference]: Without dead ends: 150 [2018-07-23 13:57:38,549 INFO L575 BasicCegarLoop]: 0 DeclaredPredicates, 147 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 146 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 1.0s TimeCoverageRelationStatistics Valid=10878, Invalid=10878, Unknown=0, NotChecked=0, Total=21756 [2018-07-23 13:57:38,549 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 150 states. [2018-07-23 13:57:38,557 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 150 to 150. [2018-07-23 13:57:38,557 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 150 states. [2018-07-23 13:57:38,557 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 150 states to 150 states and 150 transitions. [2018-07-23 13:57:38,557 INFO L78 Accepts]: Start accepts. Automaton has 150 states and 150 transitions. Word has length 148 [2018-07-23 13:57:38,557 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-07-23 13:57:38,557 INFO L471 AbstractCegarLoop]: Abstraction has 150 states and 150 transitions. [2018-07-23 13:57:38,558 INFO L472 AbstractCegarLoop]: Interpolant automaton has 148 states. [2018-07-23 13:57:38,558 INFO L276 IsEmpty]: Start isEmpty. Operand 150 states and 150 transitions. [2018-07-23 13:57:38,558 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 150 [2018-07-23 13:57:38,558 INFO L349 BasicCegarLoop]: Found error trace [2018-07-23 13:57:38,558 INFO L357 BasicCegarLoop]: trace histogram [146, 1, 1, 1] [2018-07-23 13:57:38,559 INFO L414 AbstractCegarLoop]: === Iteration 147 === [mainErr0AssertViolationASSERT]=== [2018-07-23 13:57:38,559 INFO L82 PathProgramCache]: Analyzing trace with hash 1711624224, now seen corresponding path program 146 times [2018-07-23 13:57:38,559 INFO L69 tionRefinementEngine]: Using refinement strategy FixedRefinementStrategy [2018-07-23 13:57:38,736 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-07-23 13:57:40,015 INFO L134 CoverageAnalysis]: Checked inductivity of 10731 backedges. 0 proven. 10731 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-07-23 13:57:40,016 INFO L309 seRefinementStrategy]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2018-07-23 13:57:40,016 INFO L324 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [148] total 148 [2018-07-23 13:57:40,016 INFO L142 lantAutomatonBuilder]: Constructing canonical interpolant automaton, with selfloop in false state [2018-07-23 13:57:40,016 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-07-23 13:57:40,016 INFO L185 omatonBuilderFactory]: Interpolants [56888#true, 56889#false, 56890#(or (= 0 (select main_a main_x)) (= main_x main_y)), 56891#(or (<= (select main_a main_x) 1) (= main_x main_y)), 56892#(or (= main_x main_y) (<= (select main_a main_x) 2)), 56893#(or (= main_x main_y) (<= (select main_a main_x) 3)), 56894#(or (<= (select main_a main_x) 4) (= main_x main_y)), 56895#(or (<= (select main_a main_x) 5) (= main_x main_y)), 56896#(or (<= (select main_a main_x) 6) (= main_x main_y)), 56897#(or (<= (select main_a main_x) 7) (= main_x main_y)), 56898#(or (<= (select main_a main_x) 8) (= main_x main_y)), 56899#(or (= main_x main_y) (<= (select main_a main_x) 9)), 56900#(or (= main_x main_y) (<= (select main_a main_x) 10)), 56901#(or (= main_x main_y) (<= (select main_a main_x) 11)), 56902#(or (<= (select main_a main_x) 12) (= main_x main_y)), 56903#(or (= main_x main_y) (<= (select main_a main_x) 13)), 56904#(or (<= (select main_a main_x) 14) (= main_x main_y)), 56905#(or (<= (select main_a main_x) 15) (= main_x main_y)), 56906#(or (<= (select main_a main_x) 16) (= main_x main_y)), 56907#(or (= main_x main_y) (<= (select main_a main_x) 17)), 56908#(or (<= (select main_a main_x) 18) (= main_x main_y)), 56909#(or (<= (select main_a main_x) 19) (= main_x main_y)), 56910#(or (= main_x main_y) (<= (select main_a main_x) 20)), 56911#(or (<= (select main_a main_x) 21) (= main_x main_y)), 56912#(or (= main_x main_y) (<= (select main_a main_x) 22)), 56913#(or (= main_x main_y) (<= (select main_a main_x) 23)), 56914#(or (<= (select main_a main_x) 24) (= main_x main_y)), 56915#(or (= main_x main_y) (<= (select main_a main_x) 25)), 56916#(or (<= (select main_a main_x) 26) (= main_x main_y)), 56917#(or (<= (select main_a main_x) 27) (= main_x main_y)), 56918#(or (<= (select main_a main_x) 28) (= main_x main_y)), 56919#(or (<= (select main_a main_x) 29) (= main_x main_y)), 56920#(or (= main_x main_y) (<= (select main_a main_x) 30)), 56921#(or (<= (select main_a main_x) 31) (= main_x main_y)), 56922#(or (<= (select main_a main_x) 32) (= main_x main_y)), 56923#(or (<= (select main_a main_x) 33) (= main_x main_y)), 56924#(or (<= (select main_a main_x) 34) (= main_x main_y)), 56925#(or (<= (select main_a main_x) 35) (= main_x main_y)), 56926#(or (<= (select main_a main_x) 36) (= main_x main_y)), 56927#(or (<= (select main_a main_x) 37) (= main_x main_y)), 56928#(or (<= (select main_a main_x) 38) (= main_x main_y)), 56929#(or (<= (select main_a main_x) 39) (= main_x main_y)), 56930#(or (<= (select main_a main_x) 40) (= main_x main_y)), 56931#(or (<= (select main_a main_x) 41) (= main_x main_y)), 56932#(or (<= (select main_a main_x) 42) (= main_x main_y)), 56933#(or (= main_x main_y) (<= (select main_a main_x) 43)), 56934#(or (= main_x main_y) (<= (select main_a main_x) 44)), 56935#(or (= main_x main_y) (<= (select main_a main_x) 45)), 56936#(or (<= (select main_a main_x) 46) (= main_x main_y)), 56937#(or (<= (select main_a main_x) 47) (= main_x main_y)), 56938#(or (<= (select main_a main_x) 48) (= main_x main_y)), 56939#(or (<= (select main_a main_x) 49) (= main_x main_y)), 56940#(or (<= (select main_a main_x) 50) (= main_x main_y)), 56941#(or (<= (select main_a main_x) 51) (= main_x main_y)), 56942#(or (= main_x main_y) (<= (select main_a main_x) 52)), 56943#(or (<= (select main_a main_x) 53) (= main_x main_y)), 56944#(or (<= (select main_a main_x) 54) (= main_x main_y)), 56945#(or (<= (select main_a main_x) 55) (= main_x main_y)), 56946#(or (= main_x main_y) (<= (select main_a main_x) 56)), 56947#(or (<= (select main_a main_x) 57) (= main_x main_y)), 56948#(or (<= (select main_a main_x) 58) (= main_x main_y)), 56949#(or (= main_x main_y) (<= (select main_a main_x) 59)), 56950#(or (= main_x main_y) (<= (select main_a main_x) 60)), 56951#(or (= main_x main_y) (<= (select main_a main_x) 61)), 56952#(or (<= (select main_a main_x) 62) (= main_x main_y)), 56953#(or (<= (select main_a main_x) 63) (= main_x main_y)), 56954#(or (= main_x main_y) (<= (select main_a main_x) 64)), 56955#(or (<= (select main_a main_x) 65) (= main_x main_y)), 56956#(or (= main_x main_y) (<= (select main_a main_x) 66)), 56957#(or (<= (select main_a main_x) 67) (= main_x main_y)), 56958#(or (= main_x main_y) (<= (select main_a main_x) 68)), 56959#(or (= main_x main_y) (<= (select main_a main_x) 69)), 56960#(or (<= (select main_a main_x) 70) (= main_x main_y)), 56961#(or (<= (select main_a main_x) 71) (= main_x main_y)), 56962#(or (= main_x main_y) (<= (select main_a main_x) 72)), 56963#(or (<= (select main_a main_x) 73) (= main_x main_y)), 56964#(or (= main_x main_y) (<= (select main_a main_x) 74)), 56965#(or (= main_x main_y) (<= (select main_a main_x) 75)), 56966#(or (<= (select main_a main_x) 76) (= main_x main_y)), 56967#(or (<= (select main_a main_x) 77) (= main_x main_y)), 56968#(or (<= (select main_a main_x) 78) (= main_x main_y)), 56969#(or (<= (select main_a main_x) 79) (= main_x main_y)), 56970#(or (<= (select main_a main_x) 80) (= main_x main_y)), 56971#(or (<= (select main_a main_x) 81) (= main_x main_y)), 56972#(or (<= (select main_a main_x) 82) (= main_x main_y)), 56973#(or (= main_x main_y) (<= (select main_a main_x) 83)), 56974#(or (<= (select main_a main_x) 84) (= main_x main_y)), 56975#(or (<= (select main_a main_x) 85) (= main_x main_y)), 56976#(or (<= (select main_a main_x) 86) (= main_x main_y)), 56977#(or (<= (select main_a main_x) 87) (= main_x main_y)), 56978#(or (<= (select main_a main_x) 88) (= main_x main_y)), 56979#(or (<= (select main_a main_x) 89) (= main_x main_y)), 56980#(or (<= (select main_a main_x) 90) (= main_x main_y)), 56981#(or (= main_x main_y) (<= (select main_a main_x) 91)), 56982#(or (<= (select main_a main_x) 92) (= main_x main_y)), 56983#(or (<= (select main_a main_x) 93) (= main_x main_y)), 56984#(or (= main_x main_y) (<= (select main_a main_x) 94)), 56985#(or (<= (select main_a main_x) 95) (= main_x main_y)), 56986#(or (<= (select main_a main_x) 96) (= main_x main_y)), 56987#(or (= main_x main_y) (<= (select main_a main_x) 97)), 56988#(or (<= (select main_a main_x) 98) (= main_x main_y)), 56989#(or (<= (select main_a main_x) 99) (= main_x main_y)), 56990#(or (<= (select main_a main_x) 100) (= main_x main_y)), 56991#(or (<= (select main_a main_x) 101) (= main_x main_y)), 56992#(or (= main_x main_y) (<= (select main_a main_x) 102)), 56993#(or (<= (select main_a main_x) 103) (= main_x main_y)), 56994#(or (<= (select main_a main_x) 104) (= main_x main_y)), 56995#(or (= main_x main_y) (<= (select main_a main_x) 105)), 56996#(or (= main_x main_y) (<= (select main_a main_x) 106)), 56997#(or (<= (select main_a main_x) 107) (= main_x main_y)), 56998#(or (<= (select main_a main_x) 108) (= main_x main_y)), 56999#(or (= main_x main_y) (<= (select main_a main_x) 109)), 57000#(or (= main_x main_y) (<= (select main_a main_x) 110)), 57001#(or (<= (select main_a main_x) 111) (= main_x main_y)), 57002#(or (<= (select main_a main_x) 112) (= main_x main_y)), 57003#(or (<= (select main_a main_x) 113) (= main_x main_y)), 57004#(or (= main_x main_y) (<= (select main_a main_x) 114)), 57005#(or (= main_x main_y) (<= (select main_a main_x) 115)), 57006#(or (<= (select main_a main_x) 116) (= main_x main_y)), 57007#(or (<= (select main_a main_x) 117) (= main_x main_y)), 57008#(or (= main_x main_y) (<= (select main_a main_x) 118)), 57009#(or (= main_x main_y) (<= (select main_a main_x) 119)), 57010#(or (<= (select main_a main_x) 120) (= main_x main_y)), 57011#(or (= main_x main_y) (<= (select main_a main_x) 121)), 57012#(or (<= (select main_a main_x) 122) (= main_x main_y)), 57013#(or (= main_x main_y) (<= (select main_a main_x) 123)), 57014#(or (= main_x main_y) (<= (select main_a main_x) 124)), 57015#(or (<= (select main_a main_x) 125) (= main_x main_y)), 57016#(or (= main_x main_y) (<= (select main_a main_x) 126)), 57017#(or (<= (select main_a main_x) 127) (= main_x main_y)), 57018#(or (= main_x main_y) (<= (select main_a main_x) 128)), 57019#(or (= main_x main_y) (<= (select main_a main_x) 129)), 57020#(or (= main_x main_y) (<= (select main_a main_x) 130)), 57021#(or (<= (select main_a main_x) 131) (= main_x main_y)), 57022#(or (<= (select main_a main_x) 132) (= main_x main_y)), 57023#(or (= main_x main_y) (<= (select main_a main_x) 133)), 57024#(or (= main_x main_y) (<= (select main_a main_x) 134)), 57025#(or (= main_x main_y) (<= (select main_a main_x) 135)), 57026#(or (<= (select main_a main_x) 136) (= main_x main_y)), 57027#(or (<= (select main_a main_x) 137) (= main_x main_y)), 57028#(or (= main_x main_y) (<= (select main_a main_x) 138)), 57029#(or (= main_x main_y) (<= (select main_a main_x) 139)), 57030#(or (<= (select main_a main_x) 140) (= main_x main_y)), 57031#(or (<= (select main_a main_x) 141) (= main_x main_y)), 57032#(or (= main_x main_y) (<= (select main_a main_x) 142)), 57033#(or (= main_x main_y) (<= (select main_a main_x) 143)), 57034#(or (<= (select main_a main_x) 144) (= main_x main_y)), 57035#(or (= main_x main_y) (<= (select main_a main_x) 145)), 57036#(or (not (= (select main_a main_x) 1000)) (= main_x main_y))] [2018-07-23 13:57:40,017 INFO L134 CoverageAnalysis]: Checked inductivity of 10731 backedges. 0 proven. 10731 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-07-23 13:57:40,017 INFO L450 AbstractCegarLoop]: Interpolant automaton has 149 states [2018-07-23 13:57:40,018 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 149 interpolants. [2018-07-23 13:57:40,018 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=11026, Invalid=11026, Unknown=0, NotChecked=0, Total=22052 [2018-07-23 13:57:40,019 INFO L87 Difference]: Start difference. First operand 150 states and 150 transitions. Second operand 149 states. [2018-07-23 13:57:40,350 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-07-23 13:57:40,351 INFO L93 Difference]: Finished difference Result 153 states and 153 transitions. [2018-07-23 13:57:40,351 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 149 states. [2018-07-23 13:57:40,351 INFO L78 Accepts]: Start accepts. Automaton has 149 states. Word has length 149 [2018-07-23 13:57:40,351 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-07-23 13:57:40,351 INFO L225 Difference]: With dead ends: 153 [2018-07-23 13:57:40,351 INFO L226 Difference]: Without dead ends: 151 [2018-07-23 13:57:40,352 INFO L575 BasicCegarLoop]: 0 DeclaredPredicates, 148 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 147 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 1.1s TimeCoverageRelationStatistics Valid=11026, Invalid=11026, Unknown=0, NotChecked=0, Total=22052 [2018-07-23 13:57:40,352 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 151 states. [2018-07-23 13:57:40,363 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 151 to 151. [2018-07-23 13:57:40,363 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 151 states. [2018-07-23 13:57:40,364 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 151 states to 151 states and 151 transitions. [2018-07-23 13:57:40,364 INFO L78 Accepts]: Start accepts. Automaton has 151 states and 151 transitions. Word has length 149 [2018-07-23 13:57:40,364 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-07-23 13:57:40,364 INFO L471 AbstractCegarLoop]: Abstraction has 151 states and 151 transitions. [2018-07-23 13:57:40,364 INFO L472 AbstractCegarLoop]: Interpolant automaton has 149 states. [2018-07-23 13:57:40,364 INFO L276 IsEmpty]: Start isEmpty. Operand 151 states and 151 transitions. [2018-07-23 13:57:40,365 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 151 [2018-07-23 13:57:40,365 INFO L349 BasicCegarLoop]: Found error trace [2018-07-23 13:57:40,365 INFO L357 BasicCegarLoop]: trace histogram [147, 1, 1, 1] [2018-07-23 13:57:40,365 INFO L414 AbstractCegarLoop]: === Iteration 148 === [mainErr0AssertViolationASSERT]=== [2018-07-23 13:57:40,365 INFO L82 PathProgramCache]: Analyzing trace with hash 1520739526, now seen corresponding path program 147 times [2018-07-23 13:57:40,365 INFO L69 tionRefinementEngine]: Using refinement strategy FixedRefinementStrategy [2018-07-23 13:57:40,612 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-07-23 13:57:41,835 INFO L134 CoverageAnalysis]: Checked inductivity of 10878 backedges. 0 proven. 10878 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-07-23 13:57:41,835 INFO L309 seRefinementStrategy]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2018-07-23 13:57:41,835 INFO L324 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [149] total 149 [2018-07-23 13:57:41,835 INFO L142 lantAutomatonBuilder]: Constructing canonical interpolant automaton, with selfloop in false state [2018-07-23 13:57:41,835 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-07-23 13:57:41,836 INFO L185 omatonBuilderFactory]: Interpolants [57645#true, 57646#false, 57647#(or (= 0 (select main_a main_x)) (= main_x main_y)), 57648#(or (<= (select main_a main_x) 1) (= main_x main_y)), 57649#(or (= main_x main_y) (<= (select main_a main_x) 2)), 57650#(or (= main_x main_y) (<= (select main_a main_x) 3)), 57651#(or (<= (select main_a main_x) 4) (= main_x main_y)), 57652#(or (<= (select main_a main_x) 5) (= main_x main_y)), 57653#(or (<= (select main_a main_x) 6) (= main_x main_y)), 57654#(or (<= (select main_a main_x) 7) (= main_x main_y)), 57655#(or (<= (select main_a main_x) 8) (= main_x main_y)), 57656#(or (= main_x main_y) (<= (select main_a main_x) 9)), 57657#(or (= main_x main_y) (<= (select main_a main_x) 10)), 57658#(or (= main_x main_y) (<= (select main_a main_x) 11)), 57659#(or (<= (select main_a main_x) 12) (= main_x main_y)), 57660#(or (= main_x main_y) (<= (select main_a main_x) 13)), 57661#(or (<= (select main_a main_x) 14) (= main_x main_y)), 57662#(or (<= (select main_a main_x) 15) (= main_x main_y)), 57663#(or (<= (select main_a main_x) 16) (= main_x main_y)), 57664#(or (= main_x main_y) (<= (select main_a main_x) 17)), 57665#(or (<= (select main_a main_x) 18) (= main_x main_y)), 57666#(or (<= (select main_a main_x) 19) (= main_x main_y)), 57667#(or (= main_x main_y) (<= (select main_a main_x) 20)), 57668#(or (<= (select main_a main_x) 21) (= main_x main_y)), 57669#(or (= main_x main_y) (<= (select main_a main_x) 22)), 57670#(or (= main_x main_y) (<= (select main_a main_x) 23)), 57671#(or (<= (select main_a main_x) 24) (= main_x main_y)), 57672#(or (= main_x main_y) (<= (select main_a main_x) 25)), 57673#(or (<= (select main_a main_x) 26) (= main_x main_y)), 57674#(or (<= (select main_a main_x) 27) (= main_x main_y)), 57675#(or (<= (select main_a main_x) 28) (= main_x main_y)), 57676#(or (<= (select main_a main_x) 29) (= main_x main_y)), 57677#(or (= main_x main_y) (<= (select main_a main_x) 30)), 57678#(or (<= (select main_a main_x) 31) (= main_x main_y)), 57679#(or (<= (select main_a main_x) 32) (= main_x main_y)), 57680#(or (<= (select main_a main_x) 33) (= main_x main_y)), 57681#(or (<= (select main_a main_x) 34) (= main_x main_y)), 57682#(or (<= (select main_a main_x) 35) (= main_x main_y)), 57683#(or (<= (select main_a main_x) 36) (= main_x main_y)), 57684#(or (<= (select main_a main_x) 37) (= main_x main_y)), 57685#(or (<= (select main_a main_x) 38) (= main_x main_y)), 57686#(or (<= (select main_a main_x) 39) (= main_x main_y)), 57687#(or (<= (select main_a main_x) 40) (= main_x main_y)), 57688#(or (<= (select main_a main_x) 41) (= main_x main_y)), 57689#(or (<= (select main_a main_x) 42) (= main_x main_y)), 57690#(or (= main_x main_y) (<= (select main_a main_x) 43)), 57691#(or (= main_x main_y) (<= (select main_a main_x) 44)), 57692#(or (= main_x main_y) (<= (select main_a main_x) 45)), 57693#(or (<= (select main_a main_x) 46) (= main_x main_y)), 57694#(or (<= (select main_a main_x) 47) (= main_x main_y)), 57695#(or (<= (select main_a main_x) 48) (= main_x main_y)), 57696#(or (<= (select main_a main_x) 49) (= main_x main_y)), 57697#(or (<= (select main_a main_x) 50) (= main_x main_y)), 57698#(or (<= (select main_a main_x) 51) (= main_x main_y)), 57699#(or (= main_x main_y) (<= (select main_a main_x) 52)), 57700#(or (<= (select main_a main_x) 53) (= main_x main_y)), 57701#(or (<= (select main_a main_x) 54) (= main_x main_y)), 57702#(or (<= (select main_a main_x) 55) (= main_x main_y)), 57703#(or (= main_x main_y) (<= (select main_a main_x) 56)), 57704#(or (<= (select main_a main_x) 57) (= main_x main_y)), 57705#(or (<= (select main_a main_x) 58) (= main_x main_y)), 57706#(or (= main_x main_y) (<= (select main_a main_x) 59)), 57707#(or (= main_x main_y) (<= (select main_a main_x) 60)), 57708#(or (= main_x main_y) (<= (select main_a main_x) 61)), 57709#(or (<= (select main_a main_x) 62) (= main_x main_y)), 57710#(or (<= (select main_a main_x) 63) (= main_x main_y)), 57711#(or (= main_x main_y) (<= (select main_a main_x) 64)), 57712#(or (<= (select main_a main_x) 65) (= main_x main_y)), 57713#(or (= main_x main_y) (<= (select main_a main_x) 66)), 57714#(or (<= (select main_a main_x) 67) (= main_x main_y)), 57715#(or (= main_x main_y) (<= (select main_a main_x) 68)), 57716#(or (= main_x main_y) (<= (select main_a main_x) 69)), 57717#(or (<= (select main_a main_x) 70) (= main_x main_y)), 57718#(or (<= (select main_a main_x) 71) (= main_x main_y)), 57719#(or (= main_x main_y) (<= (select main_a main_x) 72)), 57720#(or (<= (select main_a main_x) 73) (= main_x main_y)), 57721#(or (= main_x main_y) (<= (select main_a main_x) 74)), 57722#(or (= main_x main_y) (<= (select main_a main_x) 75)), 57723#(or (<= (select main_a main_x) 76) (= main_x main_y)), 57724#(or (<= (select main_a main_x) 77) (= main_x main_y)), 57725#(or (<= (select main_a main_x) 78) (= main_x main_y)), 57726#(or (<= (select main_a main_x) 79) (= main_x main_y)), 57727#(or (<= (select main_a main_x) 80) (= main_x main_y)), 57728#(or (<= (select main_a main_x) 81) (= main_x main_y)), 57729#(or (<= (select main_a main_x) 82) (= main_x main_y)), 57730#(or (= main_x main_y) (<= (select main_a main_x) 83)), 57731#(or (<= (select main_a main_x) 84) (= main_x main_y)), 57732#(or (<= (select main_a main_x) 85) (= main_x main_y)), 57733#(or (<= (select main_a main_x) 86) (= main_x main_y)), 57734#(or (<= (select main_a main_x) 87) (= main_x main_y)), 57735#(or (<= (select main_a main_x) 88) (= main_x main_y)), 57736#(or (<= (select main_a main_x) 89) (= main_x main_y)), 57737#(or (<= (select main_a main_x) 90) (= main_x main_y)), 57738#(or (= main_x main_y) (<= (select main_a main_x) 91)), 57739#(or (<= (select main_a main_x) 92) (= main_x main_y)), 57740#(or (<= (select main_a main_x) 93) (= main_x main_y)), 57741#(or (= main_x main_y) (<= (select main_a main_x) 94)), 57742#(or (<= (select main_a main_x) 95) (= main_x main_y)), 57743#(or (<= (select main_a main_x) 96) (= main_x main_y)), 57744#(or (= main_x main_y) (<= (select main_a main_x) 97)), 57745#(or (<= (select main_a main_x) 98) (= main_x main_y)), 57746#(or (<= (select main_a main_x) 99) (= main_x main_y)), 57747#(or (<= (select main_a main_x) 100) (= main_x main_y)), 57748#(or (<= (select main_a main_x) 101) (= main_x main_y)), 57749#(or (= main_x main_y) (<= (select main_a main_x) 102)), 57750#(or (<= (select main_a main_x) 103) (= main_x main_y)), 57751#(or (<= (select main_a main_x) 104) (= main_x main_y)), 57752#(or (= main_x main_y) (<= (select main_a main_x) 105)), 57753#(or (= main_x main_y) (<= (select main_a main_x) 106)), 57754#(or (<= (select main_a main_x) 107) (= main_x main_y)), 57755#(or (<= (select main_a main_x) 108) (= main_x main_y)), 57756#(or (= main_x main_y) (<= (select main_a main_x) 109)), 57757#(or (= main_x main_y) (<= (select main_a main_x) 110)), 57758#(or (<= (select main_a main_x) 111) (= main_x main_y)), 57759#(or (<= (select main_a main_x) 112) (= main_x main_y)), 57760#(or (<= (select main_a main_x) 113) (= main_x main_y)), 57761#(or (= main_x main_y) (<= (select main_a main_x) 114)), 57762#(or (= main_x main_y) (<= (select main_a main_x) 115)), 57763#(or (<= (select main_a main_x) 116) (= main_x main_y)), 57764#(or (<= (select main_a main_x) 117) (= main_x main_y)), 57765#(or (= main_x main_y) (<= (select main_a main_x) 118)), 57766#(or (= main_x main_y) (<= (select main_a main_x) 119)), 57767#(or (<= (select main_a main_x) 120) (= main_x main_y)), 57768#(or (= main_x main_y) (<= (select main_a main_x) 121)), 57769#(or (<= (select main_a main_x) 122) (= main_x main_y)), 57770#(or (= main_x main_y) (<= (select main_a main_x) 123)), 57771#(or (= main_x main_y) (<= (select main_a main_x) 124)), 57772#(or (<= (select main_a main_x) 125) (= main_x main_y)), 57773#(or (= main_x main_y) (<= (select main_a main_x) 126)), 57774#(or (<= (select main_a main_x) 127) (= main_x main_y)), 57775#(or (= main_x main_y) (<= (select main_a main_x) 128)), 57776#(or (= main_x main_y) (<= (select main_a main_x) 129)), 57777#(or (= main_x main_y) (<= (select main_a main_x) 130)), 57778#(or (<= (select main_a main_x) 131) (= main_x main_y)), 57779#(or (<= (select main_a main_x) 132) (= main_x main_y)), 57780#(or (= main_x main_y) (<= (select main_a main_x) 133)), 57781#(or (= main_x main_y) (<= (select main_a main_x) 134)), 57782#(or (= main_x main_y) (<= (select main_a main_x) 135)), 57783#(or (<= (select main_a main_x) 136) (= main_x main_y)), 57784#(or (<= (select main_a main_x) 137) (= main_x main_y)), 57785#(or (= main_x main_y) (<= (select main_a main_x) 138)), 57786#(or (= main_x main_y) (<= (select main_a main_x) 139)), 57787#(or (<= (select main_a main_x) 140) (= main_x main_y)), 57788#(or (<= (select main_a main_x) 141) (= main_x main_y)), 57789#(or (= main_x main_y) (<= (select main_a main_x) 142)), 57790#(or (= main_x main_y) (<= (select main_a main_x) 143)), 57791#(or (<= (select main_a main_x) 144) (= main_x main_y)), 57792#(or (= main_x main_y) (<= (select main_a main_x) 145)), 57793#(or (<= (select main_a main_x) 146) (= main_x main_y)), 57794#(or (not (= (select main_a main_x) 1000)) (= main_x main_y))] [2018-07-23 13:57:41,836 INFO L134 CoverageAnalysis]: Checked inductivity of 10878 backedges. 0 proven. 10878 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-07-23 13:57:41,836 INFO L450 AbstractCegarLoop]: Interpolant automaton has 150 states [2018-07-23 13:57:41,838 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 150 interpolants. [2018-07-23 13:57:41,839 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=11175, Invalid=11175, Unknown=0, NotChecked=0, Total=22350 [2018-07-23 13:57:41,839 INFO L87 Difference]: Start difference. First operand 151 states and 151 transitions. Second operand 150 states. [2018-07-23 13:57:42,258 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-07-23 13:57:42,258 INFO L93 Difference]: Finished difference Result 154 states and 154 transitions. [2018-07-23 13:57:42,258 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 150 states. [2018-07-23 13:57:42,259 INFO L78 Accepts]: Start accepts. Automaton has 150 states. Word has length 150 [2018-07-23 13:57:42,259 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-07-23 13:57:42,259 INFO L225 Difference]: With dead ends: 154 [2018-07-23 13:57:42,259 INFO L226 Difference]: Without dead ends: 152 [2018-07-23 13:57:42,260 INFO L575 BasicCegarLoop]: 0 DeclaredPredicates, 149 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 148 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 1.0s TimeCoverageRelationStatistics Valid=11175, Invalid=11175, Unknown=0, NotChecked=0, Total=22350 [2018-07-23 13:57:42,260 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 152 states. [2018-07-23 13:57:42,268 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 152 to 152. [2018-07-23 13:57:42,268 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 152 states. [2018-07-23 13:57:42,268 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 152 states to 152 states and 152 transitions. [2018-07-23 13:57:42,268 INFO L78 Accepts]: Start accepts. Automaton has 152 states and 152 transitions. Word has length 150 [2018-07-23 13:57:42,268 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-07-23 13:57:42,268 INFO L471 AbstractCegarLoop]: Abstraction has 152 states and 152 transitions. [2018-07-23 13:57:42,269 INFO L472 AbstractCegarLoop]: Interpolant automaton has 150 states. [2018-07-23 13:57:42,269 INFO L276 IsEmpty]: Start isEmpty. Operand 152 states and 152 transitions. [2018-07-23 13:57:42,269 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 152 [2018-07-23 13:57:42,269 INFO L349 BasicCegarLoop]: Found error trace [2018-07-23 13:57:42,269 INFO L357 BasicCegarLoop]: trace histogram [148, 1, 1, 1] [2018-07-23 13:57:42,269 INFO L414 AbstractCegarLoop]: === Iteration 149 === [mainErr0AssertViolationASSERT]=== [2018-07-23 13:57:42,270 INFO L82 PathProgramCache]: Analyzing trace with hash -101718816, now seen corresponding path program 148 times [2018-07-23 13:57:42,270 INFO L69 tionRefinementEngine]: Using refinement strategy FixedRefinementStrategy [2018-07-23 13:57:42,453 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-07-23 13:57:43,720 INFO L134 CoverageAnalysis]: Checked inductivity of 11026 backedges. 0 proven. 11026 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-07-23 13:57:43,720 INFO L309 seRefinementStrategy]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2018-07-23 13:57:43,721 INFO L324 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [150] total 150 [2018-07-23 13:57:43,721 INFO L142 lantAutomatonBuilder]: Constructing canonical interpolant automaton, with selfloop in false state [2018-07-23 13:57:43,721 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-07-23 13:57:43,721 INFO L185 omatonBuilderFactory]: Interpolants [58407#true, 58408#false, 58409#(or (= 0 (select main_a main_x)) (= main_x main_y)), 58410#(or (<= (select main_a main_x) 1) (= main_x main_y)), 58411#(or (= main_x main_y) (<= (select main_a main_x) 2)), 58412#(or (= main_x main_y) (<= (select main_a main_x) 3)), 58413#(or (<= (select main_a main_x) 4) (= main_x main_y)), 58414#(or (<= (select main_a main_x) 5) (= main_x main_y)), 58415#(or (<= (select main_a main_x) 6) (= main_x main_y)), 58416#(or (<= (select main_a main_x) 7) (= main_x main_y)), 58417#(or (<= (select main_a main_x) 8) (= main_x main_y)), 58418#(or (= main_x main_y) (<= (select main_a main_x) 9)), 58419#(or (= main_x main_y) (<= (select main_a main_x) 10)), 58420#(or (= main_x main_y) (<= (select main_a main_x) 11)), 58421#(or (<= (select main_a main_x) 12) (= main_x main_y)), 58422#(or (= main_x main_y) (<= (select main_a main_x) 13)), 58423#(or (<= (select main_a main_x) 14) (= main_x main_y)), 58424#(or (<= (select main_a main_x) 15) (= main_x main_y)), 58425#(or (<= (select main_a main_x) 16) (= main_x main_y)), 58426#(or (= main_x main_y) (<= (select main_a main_x) 17)), 58427#(or (<= (select main_a main_x) 18) (= main_x main_y)), 58428#(or (<= (select main_a main_x) 19) (= main_x main_y)), 58429#(or (= main_x main_y) (<= (select main_a main_x) 20)), 58430#(or (<= (select main_a main_x) 21) (= main_x main_y)), 58431#(or (= main_x main_y) (<= (select main_a main_x) 22)), 58432#(or (= main_x main_y) (<= (select main_a main_x) 23)), 58433#(or (<= (select main_a main_x) 24) (= main_x main_y)), 58434#(or (= main_x main_y) (<= (select main_a main_x) 25)), 58435#(or (<= (select main_a main_x) 26) (= main_x main_y)), 58436#(or (<= (select main_a main_x) 27) (= main_x main_y)), 58437#(or (<= (select main_a main_x) 28) (= main_x main_y)), 58438#(or (<= (select main_a main_x) 29) (= main_x main_y)), 58439#(or (= main_x main_y) (<= (select main_a main_x) 30)), 58440#(or (<= (select main_a main_x) 31) (= main_x main_y)), 58441#(or (<= (select main_a main_x) 32) (= main_x main_y)), 58442#(or (<= (select main_a main_x) 33) (= main_x main_y)), 58443#(or (<= (select main_a main_x) 34) (= main_x main_y)), 58444#(or (<= (select main_a main_x) 35) (= main_x main_y)), 58445#(or (<= (select main_a main_x) 36) (= main_x main_y)), 58446#(or (<= (select main_a main_x) 37) (= main_x main_y)), 58447#(or (<= (select main_a main_x) 38) (= main_x main_y)), 58448#(or (<= (select main_a main_x) 39) (= main_x main_y)), 58449#(or (<= (select main_a main_x) 40) (= main_x main_y)), 58450#(or (<= (select main_a main_x) 41) (= main_x main_y)), 58451#(or (<= (select main_a main_x) 42) (= main_x main_y)), 58452#(or (= main_x main_y) (<= (select main_a main_x) 43)), 58453#(or (= main_x main_y) (<= (select main_a main_x) 44)), 58454#(or (= main_x main_y) (<= (select main_a main_x) 45)), 58455#(or (<= (select main_a main_x) 46) (= main_x main_y)), 58456#(or (<= (select main_a main_x) 47) (= main_x main_y)), 58457#(or (<= (select main_a main_x) 48) (= main_x main_y)), 58458#(or (<= (select main_a main_x) 49) (= main_x main_y)), 58459#(or (<= (select main_a main_x) 50) (= main_x main_y)), 58460#(or (<= (select main_a main_x) 51) (= main_x main_y)), 58461#(or (= main_x main_y) (<= (select main_a main_x) 52)), 58462#(or (<= (select main_a main_x) 53) (= main_x main_y)), 58463#(or (<= (select main_a main_x) 54) (= main_x main_y)), 58464#(or (<= (select main_a main_x) 55) (= main_x main_y)), 58465#(or (= main_x main_y) (<= (select main_a main_x) 56)), 58466#(or (<= (select main_a main_x) 57) (= main_x main_y)), 58467#(or (<= (select main_a main_x) 58) (= main_x main_y)), 58468#(or (= main_x main_y) (<= (select main_a main_x) 59)), 58469#(or (= main_x main_y) (<= (select main_a main_x) 60)), 58470#(or (= main_x main_y) (<= (select main_a main_x) 61)), 58471#(or (<= (select main_a main_x) 62) (= main_x main_y)), 58472#(or (<= (select main_a main_x) 63) (= main_x main_y)), 58473#(or (= main_x main_y) (<= (select main_a main_x) 64)), 58474#(or (<= (select main_a main_x) 65) (= main_x main_y)), 58475#(or (= main_x main_y) (<= (select main_a main_x) 66)), 58476#(or (<= (select main_a main_x) 67) (= main_x main_y)), 58477#(or (= main_x main_y) (<= (select main_a main_x) 68)), 58478#(or (= main_x main_y) (<= (select main_a main_x) 69)), 58479#(or (<= (select main_a main_x) 70) (= main_x main_y)), 58480#(or (<= (select main_a main_x) 71) (= main_x main_y)), 58481#(or (= main_x main_y) (<= (select main_a main_x) 72)), 58482#(or (<= (select main_a main_x) 73) (= main_x main_y)), 58483#(or (= main_x main_y) (<= (select main_a main_x) 74)), 58484#(or (= main_x main_y) (<= (select main_a main_x) 75)), 58485#(or (<= (select main_a main_x) 76) (= main_x main_y)), 58486#(or (<= (select main_a main_x) 77) (= main_x main_y)), 58487#(or (<= (select main_a main_x) 78) (= main_x main_y)), 58488#(or (<= (select main_a main_x) 79) (= main_x main_y)), 58489#(or (<= (select main_a main_x) 80) (= main_x main_y)), 58490#(or (<= (select main_a main_x) 81) (= main_x main_y)), 58491#(or (<= (select main_a main_x) 82) (= main_x main_y)), 58492#(or (= main_x main_y) (<= (select main_a main_x) 83)), 58493#(or (<= (select main_a main_x) 84) (= main_x main_y)), 58494#(or (<= (select main_a main_x) 85) (= main_x main_y)), 58495#(or (<= (select main_a main_x) 86) (= main_x main_y)), 58496#(or (<= (select main_a main_x) 87) (= main_x main_y)), 58497#(or (<= (select main_a main_x) 88) (= main_x main_y)), 58498#(or (<= (select main_a main_x) 89) (= main_x main_y)), 58499#(or (<= (select main_a main_x) 90) (= main_x main_y)), 58500#(or (= main_x main_y) (<= (select main_a main_x) 91)), 58501#(or (<= (select main_a main_x) 92) (= main_x main_y)), 58502#(or (<= (select main_a main_x) 93) (= main_x main_y)), 58503#(or (= main_x main_y) (<= (select main_a main_x) 94)), 58504#(or (<= (select main_a main_x) 95) (= main_x main_y)), 58505#(or (<= (select main_a main_x) 96) (= main_x main_y)), 58506#(or (= main_x main_y) (<= (select main_a main_x) 97)), 58507#(or (<= (select main_a main_x) 98) (= main_x main_y)), 58508#(or (<= (select main_a main_x) 99) (= main_x main_y)), 58509#(or (<= (select main_a main_x) 100) (= main_x main_y)), 58510#(or (<= (select main_a main_x) 101) (= main_x main_y)), 58511#(or (= main_x main_y) (<= (select main_a main_x) 102)), 58512#(or (<= (select main_a main_x) 103) (= main_x main_y)), 58513#(or (<= (select main_a main_x) 104) (= main_x main_y)), 58514#(or (= main_x main_y) (<= (select main_a main_x) 105)), 58515#(or (= main_x main_y) (<= (select main_a main_x) 106)), 58516#(or (<= (select main_a main_x) 107) (= main_x main_y)), 58517#(or (<= (select main_a main_x) 108) (= main_x main_y)), 58518#(or (= main_x main_y) (<= (select main_a main_x) 109)), 58519#(or (= main_x main_y) (<= (select main_a main_x) 110)), 58520#(or (<= (select main_a main_x) 111) (= main_x main_y)), 58521#(or (<= (select main_a main_x) 112) (= main_x main_y)), 58522#(or (<= (select main_a main_x) 113) (= main_x main_y)), 58523#(or (= main_x main_y) (<= (select main_a main_x) 114)), 58524#(or (= main_x main_y) (<= (select main_a main_x) 115)), 58525#(or (<= (select main_a main_x) 116) (= main_x main_y)), 58526#(or (<= (select main_a main_x) 117) (= main_x main_y)), 58527#(or (= main_x main_y) (<= (select main_a main_x) 118)), 58528#(or (= main_x main_y) (<= (select main_a main_x) 119)), 58529#(or (<= (select main_a main_x) 120) (= main_x main_y)), 58530#(or (= main_x main_y) (<= (select main_a main_x) 121)), 58531#(or (<= (select main_a main_x) 122) (= main_x main_y)), 58532#(or (= main_x main_y) (<= (select main_a main_x) 123)), 58533#(or (= main_x main_y) (<= (select main_a main_x) 124)), 58534#(or (<= (select main_a main_x) 125) (= main_x main_y)), 58535#(or (= main_x main_y) (<= (select main_a main_x) 126)), 58536#(or (<= (select main_a main_x) 127) (= main_x main_y)), 58537#(or (= main_x main_y) (<= (select main_a main_x) 128)), 58538#(or (= main_x main_y) (<= (select main_a main_x) 129)), 58539#(or (= main_x main_y) (<= (select main_a main_x) 130)), 58540#(or (<= (select main_a main_x) 131) (= main_x main_y)), 58541#(or (<= (select main_a main_x) 132) (= main_x main_y)), 58542#(or (= main_x main_y) (<= (select main_a main_x) 133)), 58543#(or (= main_x main_y) (<= (select main_a main_x) 134)), 58544#(or (= main_x main_y) (<= (select main_a main_x) 135)), 58545#(or (<= (select main_a main_x) 136) (= main_x main_y)), 58546#(or (<= (select main_a main_x) 137) (= main_x main_y)), 58547#(or (= main_x main_y) (<= (select main_a main_x) 138)), 58548#(or (= main_x main_y) (<= (select main_a main_x) 139)), 58549#(or (<= (select main_a main_x) 140) (= main_x main_y)), 58550#(or (<= (select main_a main_x) 141) (= main_x main_y)), 58551#(or (= main_x main_y) (<= (select main_a main_x) 142)), 58552#(or (= main_x main_y) (<= (select main_a main_x) 143)), 58553#(or (<= (select main_a main_x) 144) (= main_x main_y)), 58554#(or (= main_x main_y) (<= (select main_a main_x) 145)), 58555#(or (<= (select main_a main_x) 146) (= main_x main_y)), 58556#(or (= main_x main_y) (<= (select main_a main_x) 147)), 58557#(or (not (= (select main_a main_x) 1000)) (= main_x main_y))] [2018-07-23 13:57:43,722 INFO L134 CoverageAnalysis]: Checked inductivity of 11026 backedges. 0 proven. 11026 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-07-23 13:57:43,722 INFO L450 AbstractCegarLoop]: Interpolant automaton has 151 states [2018-07-23 13:57:43,724 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 151 interpolants. [2018-07-23 13:57:43,724 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=11325, Invalid=11325, Unknown=0, NotChecked=0, Total=22650 [2018-07-23 13:57:43,725 INFO L87 Difference]: Start difference. First operand 152 states and 152 transitions. Second operand 151 states. [2018-07-23 13:57:44,173 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-07-23 13:57:44,173 INFO L93 Difference]: Finished difference Result 155 states and 155 transitions. [2018-07-23 13:57:44,173 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 151 states. [2018-07-23 13:57:44,173 INFO L78 Accepts]: Start accepts. Automaton has 151 states. Word has length 151 [2018-07-23 13:57:44,174 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-07-23 13:57:44,174 INFO L225 Difference]: With dead ends: 155 [2018-07-23 13:57:44,174 INFO L226 Difference]: Without dead ends: 153 [2018-07-23 13:57:44,175 INFO L575 BasicCegarLoop]: 0 DeclaredPredicates, 150 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 149 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 1.1s TimeCoverageRelationStatistics Valid=11325, Invalid=11325, Unknown=0, NotChecked=0, Total=22650 [2018-07-23 13:57:44,175 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 153 states. [2018-07-23 13:57:44,185 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 153 to 153. [2018-07-23 13:57:44,186 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 153 states. [2018-07-23 13:57:44,186 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 153 states to 153 states and 153 transitions. [2018-07-23 13:57:44,186 INFO L78 Accepts]: Start accepts. Automaton has 153 states and 153 transitions. Word has length 151 [2018-07-23 13:57:44,186 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-07-23 13:57:44,186 INFO L471 AbstractCegarLoop]: Abstraction has 153 states and 153 transitions. [2018-07-23 13:57:44,186 INFO L472 AbstractCegarLoop]: Interpolant automaton has 151 states. [2018-07-23 13:57:44,186 INFO L276 IsEmpty]: Start isEmpty. Operand 153 states and 153 transitions. [2018-07-23 13:57:44,187 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 153 [2018-07-23 13:57:44,187 INFO L349 BasicCegarLoop]: Found error trace [2018-07-23 13:57:44,187 INFO L357 BasicCegarLoop]: trace histogram [149, 1, 1, 1] [2018-07-23 13:57:44,187 INFO L414 AbstractCegarLoop]: === Iteration 150 === [mainErr0AssertViolationASSERT]=== [2018-07-23 13:57:44,187 INFO L82 PathProgramCache]: Analyzing trace with hash 1141680134, now seen corresponding path program 149 times [2018-07-23 13:57:44,188 INFO L69 tionRefinementEngine]: Using refinement strategy FixedRefinementStrategy [2018-07-23 13:57:44,410 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-07-23 13:57:45,682 INFO L134 CoverageAnalysis]: Checked inductivity of 11175 backedges. 0 proven. 11175 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-07-23 13:57:45,682 INFO L309 seRefinementStrategy]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2018-07-23 13:57:45,682 INFO L324 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [151] total 151 [2018-07-23 13:57:45,682 INFO L142 lantAutomatonBuilder]: Constructing canonical interpolant automaton, with selfloop in false state [2018-07-23 13:57:45,683 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-07-23 13:57:45,683 INFO L185 omatonBuilderFactory]: Interpolants [59174#true, 59175#false, 59176#(or (= 0 (select main_a main_x)) (= main_x main_y)), 59177#(or (<= (select main_a main_x) 1) (= main_x main_y)), 59178#(or (= main_x main_y) (<= (select main_a main_x) 2)), 59179#(or (= main_x main_y) (<= (select main_a main_x) 3)), 59180#(or (<= (select main_a main_x) 4) (= main_x main_y)), 59181#(or (<= (select main_a main_x) 5) (= main_x main_y)), 59182#(or (<= (select main_a main_x) 6) (= main_x main_y)), 59183#(or (<= (select main_a main_x) 7) (= main_x main_y)), 59184#(or (<= (select main_a main_x) 8) (= main_x main_y)), 59185#(or (= main_x main_y) (<= (select main_a main_x) 9)), 59186#(or (= main_x main_y) (<= (select main_a main_x) 10)), 59187#(or (= main_x main_y) (<= (select main_a main_x) 11)), 59188#(or (<= (select main_a main_x) 12) (= main_x main_y)), 59189#(or (= main_x main_y) (<= (select main_a main_x) 13)), 59190#(or (<= (select main_a main_x) 14) (= main_x main_y)), 59191#(or (<= (select main_a main_x) 15) (= main_x main_y)), 59192#(or (<= (select main_a main_x) 16) (= main_x main_y)), 59193#(or (= main_x main_y) (<= (select main_a main_x) 17)), 59194#(or (<= (select main_a main_x) 18) (= main_x main_y)), 59195#(or (<= (select main_a main_x) 19) (= main_x main_y)), 59196#(or (= main_x main_y) (<= (select main_a main_x) 20)), 59197#(or (<= (select main_a main_x) 21) (= main_x main_y)), 59198#(or (= main_x main_y) (<= (select main_a main_x) 22)), 59199#(or (= main_x main_y) (<= (select main_a main_x) 23)), 59200#(or (<= (select main_a main_x) 24) (= main_x main_y)), 59201#(or (= main_x main_y) (<= (select main_a main_x) 25)), 59202#(or (<= (select main_a main_x) 26) (= main_x main_y)), 59203#(or (<= (select main_a main_x) 27) (= main_x main_y)), 59204#(or (<= (select main_a main_x) 28) (= main_x main_y)), 59205#(or (<= (select main_a main_x) 29) (= main_x main_y)), 59206#(or (= main_x main_y) (<= (select main_a main_x) 30)), 59207#(or (<= (select main_a main_x) 31) (= main_x main_y)), 59208#(or (<= (select main_a main_x) 32) (= main_x main_y)), 59209#(or (<= (select main_a main_x) 33) (= main_x main_y)), 59210#(or (<= (select main_a main_x) 34) (= main_x main_y)), 59211#(or (<= (select main_a main_x) 35) (= main_x main_y)), 59212#(or (<= (select main_a main_x) 36) (= main_x main_y)), 59213#(or (<= (select main_a main_x) 37) (= main_x main_y)), 59214#(or (<= (select main_a main_x) 38) (= main_x main_y)), 59215#(or (<= (select main_a main_x) 39) (= main_x main_y)), 59216#(or (<= (select main_a main_x) 40) (= main_x main_y)), 59217#(or (<= (select main_a main_x) 41) (= main_x main_y)), 59218#(or (<= (select main_a main_x) 42) (= main_x main_y)), 59219#(or (= main_x main_y) (<= (select main_a main_x) 43)), 59220#(or (= main_x main_y) (<= (select main_a main_x) 44)), 59221#(or (= main_x main_y) (<= (select main_a main_x) 45)), 59222#(or (<= (select main_a main_x) 46) (= main_x main_y)), 59223#(or (<= (select main_a main_x) 47) (= main_x main_y)), 59224#(or (<= (select main_a main_x) 48) (= main_x main_y)), 59225#(or (<= (select main_a main_x) 49) (= main_x main_y)), 59226#(or (<= (select main_a main_x) 50) (= main_x main_y)), 59227#(or (<= (select main_a main_x) 51) (= main_x main_y)), 59228#(or (= main_x main_y) (<= (select main_a main_x) 52)), 59229#(or (<= (select main_a main_x) 53) (= main_x main_y)), 59230#(or (<= (select main_a main_x) 54) (= main_x main_y)), 59231#(or (<= (select main_a main_x) 55) (= main_x main_y)), 59232#(or (= main_x main_y) (<= (select main_a main_x) 56)), 59233#(or (<= (select main_a main_x) 57) (= main_x main_y)), 59234#(or (<= (select main_a main_x) 58) (= main_x main_y)), 59235#(or (= main_x main_y) (<= (select main_a main_x) 59)), 59236#(or (= main_x main_y) (<= (select main_a main_x) 60)), 59237#(or (= main_x main_y) (<= (select main_a main_x) 61)), 59238#(or (<= (select main_a main_x) 62) (= main_x main_y)), 59239#(or (<= (select main_a main_x) 63) (= main_x main_y)), 59240#(or (= main_x main_y) (<= (select main_a main_x) 64)), 59241#(or (<= (select main_a main_x) 65) (= main_x main_y)), 59242#(or (= main_x main_y) (<= (select main_a main_x) 66)), 59243#(or (<= (select main_a main_x) 67) (= main_x main_y)), 59244#(or (= main_x main_y) (<= (select main_a main_x) 68)), 59245#(or (= main_x main_y) (<= (select main_a main_x) 69)), 59246#(or (<= (select main_a main_x) 70) (= main_x main_y)), 59247#(or (<= (select main_a main_x) 71) (= main_x main_y)), 59248#(or (= main_x main_y) (<= (select main_a main_x) 72)), 59249#(or (<= (select main_a main_x) 73) (= main_x main_y)), 59250#(or (= main_x main_y) (<= (select main_a main_x) 74)), 59251#(or (= main_x main_y) (<= (select main_a main_x) 75)), 59252#(or (<= (select main_a main_x) 76) (= main_x main_y)), 59253#(or (<= (select main_a main_x) 77) (= main_x main_y)), 59254#(or (<= (select main_a main_x) 78) (= main_x main_y)), 59255#(or (<= (select main_a main_x) 79) (= main_x main_y)), 59256#(or (<= (select main_a main_x) 80) (= main_x main_y)), 59257#(or (<= (select main_a main_x) 81) (= main_x main_y)), 59258#(or (<= (select main_a main_x) 82) (= main_x main_y)), 59259#(or (= main_x main_y) (<= (select main_a main_x) 83)), 59260#(or (<= (select main_a main_x) 84) (= main_x main_y)), 59261#(or (<= (select main_a main_x) 85) (= main_x main_y)), 59262#(or (<= (select main_a main_x) 86) (= main_x main_y)), 59263#(or (<= (select main_a main_x) 87) (= main_x main_y)), 59264#(or (<= (select main_a main_x) 88) (= main_x main_y)), 59265#(or (<= (select main_a main_x) 89) (= main_x main_y)), 59266#(or (<= (select main_a main_x) 90) (= main_x main_y)), 59267#(or (= main_x main_y) (<= (select main_a main_x) 91)), 59268#(or (<= (select main_a main_x) 92) (= main_x main_y)), 59269#(or (<= (select main_a main_x) 93) (= main_x main_y)), 59270#(or (= main_x main_y) (<= (select main_a main_x) 94)), 59271#(or (<= (select main_a main_x) 95) (= main_x main_y)), 59272#(or (<= (select main_a main_x) 96) (= main_x main_y)), 59273#(or (= main_x main_y) (<= (select main_a main_x) 97)), 59274#(or (<= (select main_a main_x) 98) (= main_x main_y)), 59275#(or (<= (select main_a main_x) 99) (= main_x main_y)), 59276#(or (<= (select main_a main_x) 100) (= main_x main_y)), 59277#(or (<= (select main_a main_x) 101) (= main_x main_y)), 59278#(or (= main_x main_y) (<= (select main_a main_x) 102)), 59279#(or (<= (select main_a main_x) 103) (= main_x main_y)), 59280#(or (<= (select main_a main_x) 104) (= main_x main_y)), 59281#(or (= main_x main_y) (<= (select main_a main_x) 105)), 59282#(or (= main_x main_y) (<= (select main_a main_x) 106)), 59283#(or (<= (select main_a main_x) 107) (= main_x main_y)), 59284#(or (<= (select main_a main_x) 108) (= main_x main_y)), 59285#(or (= main_x main_y) (<= (select main_a main_x) 109)), 59286#(or (= main_x main_y) (<= (select main_a main_x) 110)), 59287#(or (<= (select main_a main_x) 111) (= main_x main_y)), 59288#(or (<= (select main_a main_x) 112) (= main_x main_y)), 59289#(or (<= (select main_a main_x) 113) (= main_x main_y)), 59290#(or (= main_x main_y) (<= (select main_a main_x) 114)), 59291#(or (= main_x main_y) (<= (select main_a main_x) 115)), 59292#(or (<= (select main_a main_x) 116) (= main_x main_y)), 59293#(or (<= (select main_a main_x) 117) (= main_x main_y)), 59294#(or (= main_x main_y) (<= (select main_a main_x) 118)), 59295#(or (= main_x main_y) (<= (select main_a main_x) 119)), 59296#(or (<= (select main_a main_x) 120) (= main_x main_y)), 59297#(or (= main_x main_y) (<= (select main_a main_x) 121)), 59298#(or (<= (select main_a main_x) 122) (= main_x main_y)), 59299#(or (= main_x main_y) (<= (select main_a main_x) 123)), 59300#(or (= main_x main_y) (<= (select main_a main_x) 124)), 59301#(or (<= (select main_a main_x) 125) (= main_x main_y)), 59302#(or (= main_x main_y) (<= (select main_a main_x) 126)), 59303#(or (<= (select main_a main_x) 127) (= main_x main_y)), 59304#(or (= main_x main_y) (<= (select main_a main_x) 128)), 59305#(or (= main_x main_y) (<= (select main_a main_x) 129)), 59306#(or (= main_x main_y) (<= (select main_a main_x) 130)), 59307#(or (<= (select main_a main_x) 131) (= main_x main_y)), 59308#(or (<= (select main_a main_x) 132) (= main_x main_y)), 59309#(or (= main_x main_y) (<= (select main_a main_x) 133)), 59310#(or (= main_x main_y) (<= (select main_a main_x) 134)), 59311#(or (= main_x main_y) (<= (select main_a main_x) 135)), 59312#(or (<= (select main_a main_x) 136) (= main_x main_y)), 59313#(or (<= (select main_a main_x) 137) (= main_x main_y)), 59314#(or (= main_x main_y) (<= (select main_a main_x) 138)), 59315#(or (= main_x main_y) (<= (select main_a main_x) 139)), 59316#(or (<= (select main_a main_x) 140) (= main_x main_y)), 59317#(or (<= (select main_a main_x) 141) (= main_x main_y)), 59318#(or (= main_x main_y) (<= (select main_a main_x) 142)), 59319#(or (= main_x main_y) (<= (select main_a main_x) 143)), 59320#(or (<= (select main_a main_x) 144) (= main_x main_y)), 59321#(or (= main_x main_y) (<= (select main_a main_x) 145)), 59322#(or (<= (select main_a main_x) 146) (= main_x main_y)), 59323#(or (= main_x main_y) (<= (select main_a main_x) 147)), 59324#(or (<= (select main_a main_x) 148) (= main_x main_y)), 59325#(or (not (= (select main_a main_x) 1000)) (= main_x main_y))] [2018-07-23 13:57:45,683 INFO L134 CoverageAnalysis]: Checked inductivity of 11175 backedges. 0 proven. 11175 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-07-23 13:57:45,684 INFO L450 AbstractCegarLoop]: Interpolant automaton has 152 states [2018-07-23 13:57:45,685 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 152 interpolants. [2018-07-23 13:57:45,686 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=11476, Invalid=11476, Unknown=0, NotChecked=0, Total=22952 [2018-07-23 13:57:45,686 INFO L87 Difference]: Start difference. First operand 153 states and 153 transitions. Second operand 152 states. [2018-07-23 13:57:46,148 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-07-23 13:57:46,148 INFO L93 Difference]: Finished difference Result 156 states and 156 transitions. [2018-07-23 13:57:46,148 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 152 states. [2018-07-23 13:57:46,148 INFO L78 Accepts]: Start accepts. Automaton has 152 states. Word has length 152 [2018-07-23 13:57:46,148 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-07-23 13:57:46,149 INFO L225 Difference]: With dead ends: 156 [2018-07-23 13:57:46,149 INFO L226 Difference]: Without dead ends: 154 [2018-07-23 13:57:46,150 INFO L575 BasicCegarLoop]: 0 DeclaredPredicates, 151 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 150 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 1.1s TimeCoverageRelationStatistics Valid=11476, Invalid=11476, Unknown=0, NotChecked=0, Total=22952 [2018-07-23 13:57:46,150 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 154 states. [2018-07-23 13:57:46,158 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 154 to 154. [2018-07-23 13:57:46,158 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 154 states. [2018-07-23 13:57:46,158 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 154 states to 154 states and 154 transitions. [2018-07-23 13:57:46,158 INFO L78 Accepts]: Start accepts. Automaton has 154 states and 154 transitions. Word has length 152 [2018-07-23 13:57:46,158 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-07-23 13:57:46,158 INFO L471 AbstractCegarLoop]: Abstraction has 154 states and 154 transitions. [2018-07-23 13:57:46,158 INFO L472 AbstractCegarLoop]: Interpolant automaton has 152 states. [2018-07-23 13:57:46,158 INFO L276 IsEmpty]: Start isEmpty. Operand 154 states and 154 transitions. [2018-07-23 13:57:46,159 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 154 [2018-07-23 13:57:46,159 INFO L349 BasicCegarLoop]: Found error trace [2018-07-23 13:57:46,159 INFO L357 BasicCegarLoop]: trace histogram [150, 1, 1, 1] [2018-07-23 13:57:46,159 INFO L414 AbstractCegarLoop]: === Iteration 151 === [mainErr0AssertViolationASSERT]=== [2018-07-23 13:57:46,159 INFO L82 PathProgramCache]: Analyzing trace with hash 1032341920, now seen corresponding path program 150 times [2018-07-23 13:57:46,159 INFO L69 tionRefinementEngine]: Using refinement strategy FixedRefinementStrategy [2018-07-23 13:57:46,341 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-07-23 13:57:47,645 INFO L134 CoverageAnalysis]: Checked inductivity of 11325 backedges. 0 proven. 11325 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-07-23 13:57:47,646 INFO L309 seRefinementStrategy]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2018-07-23 13:57:47,646 INFO L324 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [152] total 152 [2018-07-23 13:57:47,646 INFO L142 lantAutomatonBuilder]: Constructing canonical interpolant automaton, with selfloop in false state [2018-07-23 13:57:47,646 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-07-23 13:57:47,646 INFO L185 omatonBuilderFactory]: Interpolants [59946#true, 59947#false, 59948#(or (= 0 (select main_a main_x)) (= main_x main_y)), 59949#(or (<= (select main_a main_x) 1) (= main_x main_y)), 59950#(or (= main_x main_y) (<= (select main_a main_x) 2)), 59951#(or (= main_x main_y) (<= (select main_a main_x) 3)), 59952#(or (<= (select main_a main_x) 4) (= main_x main_y)), 59953#(or (<= (select main_a main_x) 5) (= main_x main_y)), 59954#(or (<= (select main_a main_x) 6) (= main_x main_y)), 59955#(or (<= (select main_a main_x) 7) (= main_x main_y)), 59956#(or (<= (select main_a main_x) 8) (= main_x main_y)), 59957#(or (= main_x main_y) (<= (select main_a main_x) 9)), 59958#(or (= main_x main_y) (<= (select main_a main_x) 10)), 59959#(or (= main_x main_y) (<= (select main_a main_x) 11)), 59960#(or (<= (select main_a main_x) 12) (= main_x main_y)), 59961#(or (= main_x main_y) (<= (select main_a main_x) 13)), 59962#(or (<= (select main_a main_x) 14) (= main_x main_y)), 59963#(or (<= (select main_a main_x) 15) (= main_x main_y)), 59964#(or (<= (select main_a main_x) 16) (= main_x main_y)), 59965#(or (= main_x main_y) (<= (select main_a main_x) 17)), 59966#(or (<= (select main_a main_x) 18) (= main_x main_y)), 59967#(or (<= (select main_a main_x) 19) (= main_x main_y)), 59968#(or (= main_x main_y) (<= (select main_a main_x) 20)), 59969#(or (<= (select main_a main_x) 21) (= main_x main_y)), 59970#(or (= main_x main_y) (<= (select main_a main_x) 22)), 59971#(or (= main_x main_y) (<= (select main_a main_x) 23)), 59972#(or (<= (select main_a main_x) 24) (= main_x main_y)), 59973#(or (= main_x main_y) (<= (select main_a main_x) 25)), 59974#(or (<= (select main_a main_x) 26) (= main_x main_y)), 59975#(or (<= (select main_a main_x) 27) (= main_x main_y)), 59976#(or (<= (select main_a main_x) 28) (= main_x main_y)), 59977#(or (<= (select main_a main_x) 29) (= main_x main_y)), 59978#(or (= main_x main_y) (<= (select main_a main_x) 30)), 59979#(or (<= (select main_a main_x) 31) (= main_x main_y)), 59980#(or (<= (select main_a main_x) 32) (= main_x main_y)), 59981#(or (<= (select main_a main_x) 33) (= main_x main_y)), 59982#(or (<= (select main_a main_x) 34) (= main_x main_y)), 59983#(or (<= (select main_a main_x) 35) (= main_x main_y)), 59984#(or (<= (select main_a main_x) 36) (= main_x main_y)), 59985#(or (<= (select main_a main_x) 37) (= main_x main_y)), 59986#(or (<= (select main_a main_x) 38) (= main_x main_y)), 59987#(or (<= (select main_a main_x) 39) (= main_x main_y)), 59988#(or (<= (select main_a main_x) 40) (= main_x main_y)), 59989#(or (<= (select main_a main_x) 41) (= main_x main_y)), 59990#(or (<= (select main_a main_x) 42) (= main_x main_y)), 59991#(or (= main_x main_y) (<= (select main_a main_x) 43)), 59992#(or (= main_x main_y) (<= (select main_a main_x) 44)), 59993#(or (= main_x main_y) (<= (select main_a main_x) 45)), 59994#(or (<= (select main_a main_x) 46) (= main_x main_y)), 59995#(or (<= (select main_a main_x) 47) (= main_x main_y)), 59996#(or (<= (select main_a main_x) 48) (= main_x main_y)), 59997#(or (<= (select main_a main_x) 49) (= main_x main_y)), 59998#(or (<= (select main_a main_x) 50) (= main_x main_y)), 59999#(or (<= (select main_a main_x) 51) (= main_x main_y)), 60000#(or (= main_x main_y) (<= (select main_a main_x) 52)), 60001#(or (<= (select main_a main_x) 53) (= main_x main_y)), 60002#(or (<= (select main_a main_x) 54) (= main_x main_y)), 60003#(or (<= (select main_a main_x) 55) (= main_x main_y)), 60004#(or (= main_x main_y) (<= (select main_a main_x) 56)), 60005#(or (<= (select main_a main_x) 57) (= main_x main_y)), 60006#(or (<= (select main_a main_x) 58) (= main_x main_y)), 60007#(or (= main_x main_y) (<= (select main_a main_x) 59)), 60008#(or (= main_x main_y) (<= (select main_a main_x) 60)), 60009#(or (= main_x main_y) (<= (select main_a main_x) 61)), 60010#(or (<= (select main_a main_x) 62) (= main_x main_y)), 60011#(or (<= (select main_a main_x) 63) (= main_x main_y)), 60012#(or (= main_x main_y) (<= (select main_a main_x) 64)), 60013#(or (<= (select main_a main_x) 65) (= main_x main_y)), 60014#(or (= main_x main_y) (<= (select main_a main_x) 66)), 60015#(or (<= (select main_a main_x) 67) (= main_x main_y)), 60016#(or (= main_x main_y) (<= (select main_a main_x) 68)), 60017#(or (= main_x main_y) (<= (select main_a main_x) 69)), 60018#(or (<= (select main_a main_x) 70) (= main_x main_y)), 60019#(or (<= (select main_a main_x) 71) (= main_x main_y)), 60020#(or (= main_x main_y) (<= (select main_a main_x) 72)), 60021#(or (<= (select main_a main_x) 73) (= main_x main_y)), 60022#(or (= main_x main_y) (<= (select main_a main_x) 74)), 60023#(or (= main_x main_y) (<= (select main_a main_x) 75)), 60024#(or (<= (select main_a main_x) 76) (= main_x main_y)), 60025#(or (<= (select main_a main_x) 77) (= main_x main_y)), 60026#(or (<= (select main_a main_x) 78) (= main_x main_y)), 60027#(or (<= (select main_a main_x) 79) (= main_x main_y)), 60028#(or (<= (select main_a main_x) 80) (= main_x main_y)), 60029#(or (<= (select main_a main_x) 81) (= main_x main_y)), 60030#(or (<= (select main_a main_x) 82) (= main_x main_y)), 60031#(or (= main_x main_y) (<= (select main_a main_x) 83)), 60032#(or (<= (select main_a main_x) 84) (= main_x main_y)), 60033#(or (<= (select main_a main_x) 85) (= main_x main_y)), 60034#(or (<= (select main_a main_x) 86) (= main_x main_y)), 60035#(or (<= (select main_a main_x) 87) (= main_x main_y)), 60036#(or (<= (select main_a main_x) 88) (= main_x main_y)), 60037#(or (<= (select main_a main_x) 89) (= main_x main_y)), 60038#(or (<= (select main_a main_x) 90) (= main_x main_y)), 60039#(or (= main_x main_y) (<= (select main_a main_x) 91)), 60040#(or (<= (select main_a main_x) 92) (= main_x main_y)), 60041#(or (<= (select main_a main_x) 93) (= main_x main_y)), 60042#(or (= main_x main_y) (<= (select main_a main_x) 94)), 60043#(or (<= (select main_a main_x) 95) (= main_x main_y)), 60044#(or (<= (select main_a main_x) 96) (= main_x main_y)), 60045#(or (= main_x main_y) (<= (select main_a main_x) 97)), 60046#(or (<= (select main_a main_x) 98) (= main_x main_y)), 60047#(or (<= (select main_a main_x) 99) (= main_x main_y)), 60048#(or (<= (select main_a main_x) 100) (= main_x main_y)), 60049#(or (<= (select main_a main_x) 101) (= main_x main_y)), 60050#(or (= main_x main_y) (<= (select main_a main_x) 102)), 60051#(or (<= (select main_a main_x) 103) (= main_x main_y)), 60052#(or (<= (select main_a main_x) 104) (= main_x main_y)), 60053#(or (= main_x main_y) (<= (select main_a main_x) 105)), 60054#(or (= main_x main_y) (<= (select main_a main_x) 106)), 60055#(or (<= (select main_a main_x) 107) (= main_x main_y)), 60056#(or (<= (select main_a main_x) 108) (= main_x main_y)), 60057#(or (= main_x main_y) (<= (select main_a main_x) 109)), 60058#(or (= main_x main_y) (<= (select main_a main_x) 110)), 60059#(or (<= (select main_a main_x) 111) (= main_x main_y)), 60060#(or (<= (select main_a main_x) 112) (= main_x main_y)), 60061#(or (<= (select main_a main_x) 113) (= main_x main_y)), 60062#(or (= main_x main_y) (<= (select main_a main_x) 114)), 60063#(or (= main_x main_y) (<= (select main_a main_x) 115)), 60064#(or (<= (select main_a main_x) 116) (= main_x main_y)), 60065#(or (<= (select main_a main_x) 117) (= main_x main_y)), 60066#(or (= main_x main_y) (<= (select main_a main_x) 118)), 60067#(or (= main_x main_y) (<= (select main_a main_x) 119)), 60068#(or (<= (select main_a main_x) 120) (= main_x main_y)), 60069#(or (= main_x main_y) (<= (select main_a main_x) 121)), 60070#(or (<= (select main_a main_x) 122) (= main_x main_y)), 60071#(or (= main_x main_y) (<= (select main_a main_x) 123)), 60072#(or (= main_x main_y) (<= (select main_a main_x) 124)), 60073#(or (<= (select main_a main_x) 125) (= main_x main_y)), 60074#(or (= main_x main_y) (<= (select main_a main_x) 126)), 60075#(or (<= (select main_a main_x) 127) (= main_x main_y)), 60076#(or (= main_x main_y) (<= (select main_a main_x) 128)), 60077#(or (= main_x main_y) (<= (select main_a main_x) 129)), 60078#(or (= main_x main_y) (<= (select main_a main_x) 130)), 60079#(or (<= (select main_a main_x) 131) (= main_x main_y)), 60080#(or (<= (select main_a main_x) 132) (= main_x main_y)), 60081#(or (= main_x main_y) (<= (select main_a main_x) 133)), 60082#(or (= main_x main_y) (<= (select main_a main_x) 134)), 60083#(or (= main_x main_y) (<= (select main_a main_x) 135)), 60084#(or (<= (select main_a main_x) 136) (= main_x main_y)), 60085#(or (<= (select main_a main_x) 137) (= main_x main_y)), 60086#(or (= main_x main_y) (<= (select main_a main_x) 138)), 60087#(or (= main_x main_y) (<= (select main_a main_x) 139)), 60088#(or (<= (select main_a main_x) 140) (= main_x main_y)), 60089#(or (<= (select main_a main_x) 141) (= main_x main_y)), 60090#(or (= main_x main_y) (<= (select main_a main_x) 142)), 60091#(or (= main_x main_y) (<= (select main_a main_x) 143)), 60092#(or (<= (select main_a main_x) 144) (= main_x main_y)), 60093#(or (= main_x main_y) (<= (select main_a main_x) 145)), 60094#(or (<= (select main_a main_x) 146) (= main_x main_y)), 60095#(or (= main_x main_y) (<= (select main_a main_x) 147)), 60096#(or (<= (select main_a main_x) 148) (= main_x main_y)), 60097#(or (= main_x main_y) (<= (select main_a main_x) 149)), 60098#(or (not (= (select main_a main_x) 1000)) (= main_x main_y))] [2018-07-23 13:57:47,647 INFO L134 CoverageAnalysis]: Checked inductivity of 11325 backedges. 0 proven. 11325 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-07-23 13:57:47,647 INFO L450 AbstractCegarLoop]: Interpolant automaton has 153 states [2018-07-23 13:57:47,649 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 153 interpolants. [2018-07-23 13:57:47,650 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=11628, Invalid=11628, Unknown=0, NotChecked=0, Total=23256 [2018-07-23 13:57:47,650 INFO L87 Difference]: Start difference. First operand 154 states and 154 transitions. Second operand 153 states. [2018-07-23 13:57:48,108 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-07-23 13:57:48,108 INFO L93 Difference]: Finished difference Result 157 states and 157 transitions. [2018-07-23 13:57:48,108 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 153 states. [2018-07-23 13:57:48,108 INFO L78 Accepts]: Start accepts. Automaton has 153 states. Word has length 153 [2018-07-23 13:57:48,109 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-07-23 13:57:48,109 INFO L225 Difference]: With dead ends: 157 [2018-07-23 13:57:48,109 INFO L226 Difference]: Without dead ends: 155 [2018-07-23 13:57:48,110 INFO L575 BasicCegarLoop]: 0 DeclaredPredicates, 152 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 151 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 1.1s TimeCoverageRelationStatistics Valid=11628, Invalid=11628, Unknown=0, NotChecked=0, Total=23256 [2018-07-23 13:57:48,111 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 155 states. [2018-07-23 13:57:48,118 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 155 to 155. [2018-07-23 13:57:48,118 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 155 states. [2018-07-23 13:57:48,118 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 155 states to 155 states and 155 transitions. [2018-07-23 13:57:48,118 INFO L78 Accepts]: Start accepts. Automaton has 155 states and 155 transitions. Word has length 153 [2018-07-23 13:57:48,118 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-07-23 13:57:48,118 INFO L471 AbstractCegarLoop]: Abstraction has 155 states and 155 transitions. [2018-07-23 13:57:48,119 INFO L472 AbstractCegarLoop]: Interpolant automaton has 153 states. [2018-07-23 13:57:48,119 INFO L276 IsEmpty]: Start isEmpty. Operand 155 states and 155 transitions. [2018-07-23 13:57:48,119 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 155 [2018-07-23 13:57:48,119 INFO L349 BasicCegarLoop]: Found error trace [2018-07-23 13:57:48,119 INFO L357 BasicCegarLoop]: trace histogram [151, 1, 1, 1] [2018-07-23 13:57:48,119 INFO L414 AbstractCegarLoop]: === Iteration 152 === [mainErr0AssertViolationASSERT]=== [2018-07-23 13:57:48,119 INFO L82 PathProgramCache]: Analyzing trace with hash 1937824582, now seen corresponding path program 151 times [2018-07-23 13:57:48,119 INFO L69 tionRefinementEngine]: Using refinement strategy FixedRefinementStrategy [2018-07-23 13:57:48,309 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-07-23 13:57:49,640 INFO L134 CoverageAnalysis]: Checked inductivity of 11476 backedges. 0 proven. 11476 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-07-23 13:57:49,640 INFO L309 seRefinementStrategy]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2018-07-23 13:57:49,640 INFO L324 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [153] total 153 [2018-07-23 13:57:49,640 INFO L142 lantAutomatonBuilder]: Constructing canonical interpolant automaton, with selfloop in false state [2018-07-23 13:57:49,641 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-07-23 13:57:49,641 INFO L185 omatonBuilderFactory]: Interpolants [60723#true, 60724#false, 60725#(or (= 0 (select main_a main_x)) (= main_x main_y)), 60726#(or (<= (select main_a main_x) 1) (= main_x main_y)), 60727#(or (= main_x main_y) (<= (select main_a main_x) 2)), 60728#(or (= main_x main_y) (<= (select main_a main_x) 3)), 60729#(or (<= (select main_a main_x) 4) (= main_x main_y)), 60730#(or (<= (select main_a main_x) 5) (= main_x main_y)), 60731#(or (<= (select main_a main_x) 6) (= main_x main_y)), 60732#(or (<= (select main_a main_x) 7) (= main_x main_y)), 60733#(or (<= (select main_a main_x) 8) (= main_x main_y)), 60734#(or (= main_x main_y) (<= (select main_a main_x) 9)), 60735#(or (= main_x main_y) (<= (select main_a main_x) 10)), 60736#(or (= main_x main_y) (<= (select main_a main_x) 11)), 60737#(or (<= (select main_a main_x) 12) (= main_x main_y)), 60738#(or (= main_x main_y) (<= (select main_a main_x) 13)), 60739#(or (<= (select main_a main_x) 14) (= main_x main_y)), 60740#(or (<= (select main_a main_x) 15) (= main_x main_y)), 60741#(or (<= (select main_a main_x) 16) (= main_x main_y)), 60742#(or (= main_x main_y) (<= (select main_a main_x) 17)), 60743#(or (<= (select main_a main_x) 18) (= main_x main_y)), 60744#(or (<= (select main_a main_x) 19) (= main_x main_y)), 60745#(or (= main_x main_y) (<= (select main_a main_x) 20)), 60746#(or (<= (select main_a main_x) 21) (= main_x main_y)), 60747#(or (= main_x main_y) (<= (select main_a main_x) 22)), 60748#(or (= main_x main_y) (<= (select main_a main_x) 23)), 60749#(or (<= (select main_a main_x) 24) (= main_x main_y)), 60750#(or (= main_x main_y) (<= (select main_a main_x) 25)), 60751#(or (<= (select main_a main_x) 26) (= main_x main_y)), 60752#(or (<= (select main_a main_x) 27) (= main_x main_y)), 60753#(or (<= (select main_a main_x) 28) (= main_x main_y)), 60754#(or (<= (select main_a main_x) 29) (= main_x main_y)), 60755#(or (= main_x main_y) (<= (select main_a main_x) 30)), 60756#(or (<= (select main_a main_x) 31) (= main_x main_y)), 60757#(or (<= (select main_a main_x) 32) (= main_x main_y)), 60758#(or (<= (select main_a main_x) 33) (= main_x main_y)), 60759#(or (<= (select main_a main_x) 34) (= main_x main_y)), 60760#(or (<= (select main_a main_x) 35) (= main_x main_y)), 60761#(or (<= (select main_a main_x) 36) (= main_x main_y)), 60762#(or (<= (select main_a main_x) 37) (= main_x main_y)), 60763#(or (<= (select main_a main_x) 38) (= main_x main_y)), 60764#(or (<= (select main_a main_x) 39) (= main_x main_y)), 60765#(or (<= (select main_a main_x) 40) (= main_x main_y)), 60766#(or (<= (select main_a main_x) 41) (= main_x main_y)), 60767#(or (<= (select main_a main_x) 42) (= main_x main_y)), 60768#(or (= main_x main_y) (<= (select main_a main_x) 43)), 60769#(or (= main_x main_y) (<= (select main_a main_x) 44)), 60770#(or (= main_x main_y) (<= (select main_a main_x) 45)), 60771#(or (<= (select main_a main_x) 46) (= main_x main_y)), 60772#(or (<= (select main_a main_x) 47) (= main_x main_y)), 60773#(or (<= (select main_a main_x) 48) (= main_x main_y)), 60774#(or (<= (select main_a main_x) 49) (= main_x main_y)), 60775#(or (<= (select main_a main_x) 50) (= main_x main_y)), 60776#(or (<= (select main_a main_x) 51) (= main_x main_y)), 60777#(or (= main_x main_y) (<= (select main_a main_x) 52)), 60778#(or (<= (select main_a main_x) 53) (= main_x main_y)), 60779#(or (<= (select main_a main_x) 54) (= main_x main_y)), 60780#(or (<= (select main_a main_x) 55) (= main_x main_y)), 60781#(or (= main_x main_y) (<= (select main_a main_x) 56)), 60782#(or (<= (select main_a main_x) 57) (= main_x main_y)), 60783#(or (<= (select main_a main_x) 58) (= main_x main_y)), 60784#(or (= main_x main_y) (<= (select main_a main_x) 59)), 60785#(or (= main_x main_y) (<= (select main_a main_x) 60)), 60786#(or (= main_x main_y) (<= (select main_a main_x) 61)), 60787#(or (<= (select main_a main_x) 62) (= main_x main_y)), 60788#(or (<= (select main_a main_x) 63) (= main_x main_y)), 60789#(or (= main_x main_y) (<= (select main_a main_x) 64)), 60790#(or (<= (select main_a main_x) 65) (= main_x main_y)), 60791#(or (= main_x main_y) (<= (select main_a main_x) 66)), 60792#(or (<= (select main_a main_x) 67) (= main_x main_y)), 60793#(or (= main_x main_y) (<= (select main_a main_x) 68)), 60794#(or (= main_x main_y) (<= (select main_a main_x) 69)), 60795#(or (<= (select main_a main_x) 70) (= main_x main_y)), 60796#(or (<= (select main_a main_x) 71) (= main_x main_y)), 60797#(or (= main_x main_y) (<= (select main_a main_x) 72)), 60798#(or (<= (select main_a main_x) 73) (= main_x main_y)), 60799#(or (= main_x main_y) (<= (select main_a main_x) 74)), 60800#(or (= main_x main_y) (<= (select main_a main_x) 75)), 60801#(or (<= (select main_a main_x) 76) (= main_x main_y)), 60802#(or (<= (select main_a main_x) 77) (= main_x main_y)), 60803#(or (<= (select main_a main_x) 78) (= main_x main_y)), 60804#(or (<= (select main_a main_x) 79) (= main_x main_y)), 60805#(or (<= (select main_a main_x) 80) (= main_x main_y)), 60806#(or (<= (select main_a main_x) 81) (= main_x main_y)), 60807#(or (<= (select main_a main_x) 82) (= main_x main_y)), 60808#(or (= main_x main_y) (<= (select main_a main_x) 83)), 60809#(or (<= (select main_a main_x) 84) (= main_x main_y)), 60810#(or (<= (select main_a main_x) 85) (= main_x main_y)), 60811#(or (<= (select main_a main_x) 86) (= main_x main_y)), 60812#(or (<= (select main_a main_x) 87) (= main_x main_y)), 60813#(or (<= (select main_a main_x) 88) (= main_x main_y)), 60814#(or (<= (select main_a main_x) 89) (= main_x main_y)), 60815#(or (<= (select main_a main_x) 90) (= main_x main_y)), 60816#(or (= main_x main_y) (<= (select main_a main_x) 91)), 60817#(or (<= (select main_a main_x) 92) (= main_x main_y)), 60818#(or (<= (select main_a main_x) 93) (= main_x main_y)), 60819#(or (= main_x main_y) (<= (select main_a main_x) 94)), 60820#(or (<= (select main_a main_x) 95) (= main_x main_y)), 60821#(or (<= (select main_a main_x) 96) (= main_x main_y)), 60822#(or (= main_x main_y) (<= (select main_a main_x) 97)), 60823#(or (<= (select main_a main_x) 98) (= main_x main_y)), 60824#(or (<= (select main_a main_x) 99) (= main_x main_y)), 60825#(or (<= (select main_a main_x) 100) (= main_x main_y)), 60826#(or (<= (select main_a main_x) 101) (= main_x main_y)), 60827#(or (= main_x main_y) (<= (select main_a main_x) 102)), 60828#(or (<= (select main_a main_x) 103) (= main_x main_y)), 60829#(or (<= (select main_a main_x) 104) (= main_x main_y)), 60830#(or (= main_x main_y) (<= (select main_a main_x) 105)), 60831#(or (= main_x main_y) (<= (select main_a main_x) 106)), 60832#(or (<= (select main_a main_x) 107) (= main_x main_y)), 60833#(or (<= (select main_a main_x) 108) (= main_x main_y)), 60834#(or (= main_x main_y) (<= (select main_a main_x) 109)), 60835#(or (= main_x main_y) (<= (select main_a main_x) 110)), 60836#(or (<= (select main_a main_x) 111) (= main_x main_y)), 60837#(or (<= (select main_a main_x) 112) (= main_x main_y)), 60838#(or (<= (select main_a main_x) 113) (= main_x main_y)), 60839#(or (= main_x main_y) (<= (select main_a main_x) 114)), 60840#(or (= main_x main_y) (<= (select main_a main_x) 115)), 60841#(or (<= (select main_a main_x) 116) (= main_x main_y)), 60842#(or (<= (select main_a main_x) 117) (= main_x main_y)), 60843#(or (= main_x main_y) (<= (select main_a main_x) 118)), 60844#(or (= main_x main_y) (<= (select main_a main_x) 119)), 60845#(or (<= (select main_a main_x) 120) (= main_x main_y)), 60846#(or (= main_x main_y) (<= (select main_a main_x) 121)), 60847#(or (<= (select main_a main_x) 122) (= main_x main_y)), 60848#(or (= main_x main_y) (<= (select main_a main_x) 123)), 60849#(or (= main_x main_y) (<= (select main_a main_x) 124)), 60850#(or (<= (select main_a main_x) 125) (= main_x main_y)), 60851#(or (= main_x main_y) (<= (select main_a main_x) 126)), 60852#(or (<= (select main_a main_x) 127) (= main_x main_y)), 60853#(or (= main_x main_y) (<= (select main_a main_x) 128)), 60854#(or (= main_x main_y) (<= (select main_a main_x) 129)), 60855#(or (= main_x main_y) (<= (select main_a main_x) 130)), 60856#(or (<= (select main_a main_x) 131) (= main_x main_y)), 60857#(or (<= (select main_a main_x) 132) (= main_x main_y)), 60858#(or (= main_x main_y) (<= (select main_a main_x) 133)), 60859#(or (= main_x main_y) (<= (select main_a main_x) 134)), 60860#(or (= main_x main_y) (<= (select main_a main_x) 135)), 60861#(or (<= (select main_a main_x) 136) (= main_x main_y)), 60862#(or (<= (select main_a main_x) 137) (= main_x main_y)), 60863#(or (= main_x main_y) (<= (select main_a main_x) 138)), 60864#(or (= main_x main_y) (<= (select main_a main_x) 139)), 60865#(or (<= (select main_a main_x) 140) (= main_x main_y)), 60866#(or (<= (select main_a main_x) 141) (= main_x main_y)), 60867#(or (= main_x main_y) (<= (select main_a main_x) 142)), 60868#(or (= main_x main_y) (<= (select main_a main_x) 143)), 60869#(or (<= (select main_a main_x) 144) (= main_x main_y)), 60870#(or (= main_x main_y) (<= (select main_a main_x) 145)), 60871#(or (<= (select main_a main_x) 146) (= main_x main_y)), 60872#(or (= main_x main_y) (<= (select main_a main_x) 147)), 60873#(or (<= (select main_a main_x) 148) (= main_x main_y)), 60874#(or (= main_x main_y) (<= (select main_a main_x) 149)), 60875#(or (= main_x main_y) (<= (select main_a main_x) 150)), 60876#(or (not (= (select main_a main_x) 1000)) (= main_x main_y))] [2018-07-23 13:57:49,642 INFO L134 CoverageAnalysis]: Checked inductivity of 11476 backedges. 0 proven. 11476 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-07-23 13:57:49,642 INFO L450 AbstractCegarLoop]: Interpolant automaton has 154 states [2018-07-23 13:57:49,643 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 154 interpolants. [2018-07-23 13:57:49,644 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=11781, Invalid=11781, Unknown=0, NotChecked=0, Total=23562 [2018-07-23 13:57:49,644 INFO L87 Difference]: Start difference. First operand 155 states and 155 transitions. Second operand 154 states. [2018-07-23 13:57:50,084 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-07-23 13:57:50,085 INFO L93 Difference]: Finished difference Result 158 states and 158 transitions. [2018-07-23 13:57:50,085 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 154 states. [2018-07-23 13:57:50,085 INFO L78 Accepts]: Start accepts. Automaton has 154 states. Word has length 154 [2018-07-23 13:57:50,085 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-07-23 13:57:50,085 INFO L225 Difference]: With dead ends: 158 [2018-07-23 13:57:50,085 INFO L226 Difference]: Without dead ends: 156 [2018-07-23 13:57:50,087 INFO L575 BasicCegarLoop]: 0 DeclaredPredicates, 153 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 152 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 1.1s TimeCoverageRelationStatistics Valid=11781, Invalid=11781, Unknown=0, NotChecked=0, Total=23562 [2018-07-23 13:57:50,087 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 156 states. [2018-07-23 13:57:50,094 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 156 to 156. [2018-07-23 13:57:50,094 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 156 states. [2018-07-23 13:57:50,094 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 156 states to 156 states and 156 transitions. [2018-07-23 13:57:50,094 INFO L78 Accepts]: Start accepts. Automaton has 156 states and 156 transitions. Word has length 154 [2018-07-23 13:57:50,095 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-07-23 13:57:50,095 INFO L471 AbstractCegarLoop]: Abstraction has 156 states and 156 transitions. [2018-07-23 13:57:50,095 INFO L472 AbstractCegarLoop]: Interpolant automaton has 154 states. [2018-07-23 13:57:50,095 INFO L276 IsEmpty]: Start isEmpty. Operand 156 states and 156 transitions. [2018-07-23 13:57:50,095 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 156 [2018-07-23 13:57:50,095 INFO L349 BasicCegarLoop]: Found error trace [2018-07-23 13:57:50,095 INFO L357 BasicCegarLoop]: trace histogram [152, 1, 1, 1] [2018-07-23 13:57:50,095 INFO L414 AbstractCegarLoop]: === Iteration 153 === [mainErr0AssertViolationASSERT]=== [2018-07-23 13:57:50,095 INFO L82 PathProgramCache]: Analyzing trace with hash -56983968, now seen corresponding path program 152 times [2018-07-23 13:57:50,096 INFO L69 tionRefinementEngine]: Using refinement strategy FixedRefinementStrategy [2018-07-23 13:57:50,282 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-07-23 13:57:51,609 INFO L134 CoverageAnalysis]: Checked inductivity of 11628 backedges. 0 proven. 11628 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-07-23 13:57:51,610 INFO L309 seRefinementStrategy]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2018-07-23 13:57:51,610 INFO L324 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [154] total 154 [2018-07-23 13:57:51,610 INFO L142 lantAutomatonBuilder]: Constructing canonical interpolant automaton, with selfloop in false state [2018-07-23 13:57:51,610 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-07-23 13:57:51,611 INFO L185 omatonBuilderFactory]: Interpolants [61505#true, 61506#false, 61507#(or (= 0 (select main_a main_x)) (= main_x main_y)), 61508#(or (<= (select main_a main_x) 1) (= main_x main_y)), 61509#(or (= main_x main_y) (<= (select main_a main_x) 2)), 61510#(or (= main_x main_y) (<= (select main_a main_x) 3)), 61511#(or (<= (select main_a main_x) 4) (= main_x main_y)), 61512#(or (<= (select main_a main_x) 5) (= main_x main_y)), 61513#(or (<= (select main_a main_x) 6) (= main_x main_y)), 61514#(or (<= (select main_a main_x) 7) (= main_x main_y)), 61515#(or (<= (select main_a main_x) 8) (= main_x main_y)), 61516#(or (= main_x main_y) (<= (select main_a main_x) 9)), 61517#(or (= main_x main_y) (<= (select main_a main_x) 10)), 61518#(or (= main_x main_y) (<= (select main_a main_x) 11)), 61519#(or (<= (select main_a main_x) 12) (= main_x main_y)), 61520#(or (= main_x main_y) (<= (select main_a main_x) 13)), 61521#(or (<= (select main_a main_x) 14) (= main_x main_y)), 61522#(or (<= (select main_a main_x) 15) (= main_x main_y)), 61523#(or (<= (select main_a main_x) 16) (= main_x main_y)), 61524#(or (= main_x main_y) (<= (select main_a main_x) 17)), 61525#(or (<= (select main_a main_x) 18) (= main_x main_y)), 61526#(or (<= (select main_a main_x) 19) (= main_x main_y)), 61527#(or (= main_x main_y) (<= (select main_a main_x) 20)), 61528#(or (<= (select main_a main_x) 21) (= main_x main_y)), 61529#(or (= main_x main_y) (<= (select main_a main_x) 22)), 61530#(or (= main_x main_y) (<= (select main_a main_x) 23)), 61531#(or (<= (select main_a main_x) 24) (= main_x main_y)), 61532#(or (= main_x main_y) (<= (select main_a main_x) 25)), 61533#(or (<= (select main_a main_x) 26) (= main_x main_y)), 61534#(or (<= (select main_a main_x) 27) (= main_x main_y)), 61535#(or (<= (select main_a main_x) 28) (= main_x main_y)), 61536#(or (<= (select main_a main_x) 29) (= main_x main_y)), 61537#(or (= main_x main_y) (<= (select main_a main_x) 30)), 61538#(or (<= (select main_a main_x) 31) (= main_x main_y)), 61539#(or (<= (select main_a main_x) 32) (= main_x main_y)), 61540#(or (<= (select main_a main_x) 33) (= main_x main_y)), 61541#(or (<= (select main_a main_x) 34) (= main_x main_y)), 61542#(or (<= (select main_a main_x) 35) (= main_x main_y)), 61543#(or (<= (select main_a main_x) 36) (= main_x main_y)), 61544#(or (<= (select main_a main_x) 37) (= main_x main_y)), 61545#(or (<= (select main_a main_x) 38) (= main_x main_y)), 61546#(or (<= (select main_a main_x) 39) (= main_x main_y)), 61547#(or (<= (select main_a main_x) 40) (= main_x main_y)), 61548#(or (<= (select main_a main_x) 41) (= main_x main_y)), 61549#(or (<= (select main_a main_x) 42) (= main_x main_y)), 61550#(or (= main_x main_y) (<= (select main_a main_x) 43)), 61551#(or (= main_x main_y) (<= (select main_a main_x) 44)), 61552#(or (= main_x main_y) (<= (select main_a main_x) 45)), 61553#(or (<= (select main_a main_x) 46) (= main_x main_y)), 61554#(or (<= (select main_a main_x) 47) (= main_x main_y)), 61555#(or (<= (select main_a main_x) 48) (= main_x main_y)), 61556#(or (<= (select main_a main_x) 49) (= main_x main_y)), 61557#(or (<= (select main_a main_x) 50) (= main_x main_y)), 61558#(or (<= (select main_a main_x) 51) (= main_x main_y)), 61559#(or (= main_x main_y) (<= (select main_a main_x) 52)), 61560#(or (<= (select main_a main_x) 53) (= main_x main_y)), 61561#(or (<= (select main_a main_x) 54) (= main_x main_y)), 61562#(or (<= (select main_a main_x) 55) (= main_x main_y)), 61563#(or (= main_x main_y) (<= (select main_a main_x) 56)), 61564#(or (<= (select main_a main_x) 57) (= main_x main_y)), 61565#(or (<= (select main_a main_x) 58) (= main_x main_y)), 61566#(or (= main_x main_y) (<= (select main_a main_x) 59)), 61567#(or (= main_x main_y) (<= (select main_a main_x) 60)), 61568#(or (= main_x main_y) (<= (select main_a main_x) 61)), 61569#(or (<= (select main_a main_x) 62) (= main_x main_y)), 61570#(or (<= (select main_a main_x) 63) (= main_x main_y)), 61571#(or (= main_x main_y) (<= (select main_a main_x) 64)), 61572#(or (<= (select main_a main_x) 65) (= main_x main_y)), 61573#(or (= main_x main_y) (<= (select main_a main_x) 66)), 61574#(or (<= (select main_a main_x) 67) (= main_x main_y)), 61575#(or (= main_x main_y) (<= (select main_a main_x) 68)), 61576#(or (= main_x main_y) (<= (select main_a main_x) 69)), 61577#(or (<= (select main_a main_x) 70) (= main_x main_y)), 61578#(or (<= (select main_a main_x) 71) (= main_x main_y)), 61579#(or (= main_x main_y) (<= (select main_a main_x) 72)), 61580#(or (<= (select main_a main_x) 73) (= main_x main_y)), 61581#(or (= main_x main_y) (<= (select main_a main_x) 74)), 61582#(or (= main_x main_y) (<= (select main_a main_x) 75)), 61583#(or (<= (select main_a main_x) 76) (= main_x main_y)), 61584#(or (<= (select main_a main_x) 77) (= main_x main_y)), 61585#(or (<= (select main_a main_x) 78) (= main_x main_y)), 61586#(or (<= (select main_a main_x) 79) (= main_x main_y)), 61587#(or (<= (select main_a main_x) 80) (= main_x main_y)), 61588#(or (<= (select main_a main_x) 81) (= main_x main_y)), 61589#(or (<= (select main_a main_x) 82) (= main_x main_y)), 61590#(or (= main_x main_y) (<= (select main_a main_x) 83)), 61591#(or (<= (select main_a main_x) 84) (= main_x main_y)), 61592#(or (<= (select main_a main_x) 85) (= main_x main_y)), 61593#(or (<= (select main_a main_x) 86) (= main_x main_y)), 61594#(or (<= (select main_a main_x) 87) (= main_x main_y)), 61595#(or (<= (select main_a main_x) 88) (= main_x main_y)), 61596#(or (<= (select main_a main_x) 89) (= main_x main_y)), 61597#(or (<= (select main_a main_x) 90) (= main_x main_y)), 61598#(or (= main_x main_y) (<= (select main_a main_x) 91)), 61599#(or (<= (select main_a main_x) 92) (= main_x main_y)), 61600#(or (<= (select main_a main_x) 93) (= main_x main_y)), 61601#(or (= main_x main_y) (<= (select main_a main_x) 94)), 61602#(or (<= (select main_a main_x) 95) (= main_x main_y)), 61603#(or (<= (select main_a main_x) 96) (= main_x main_y)), 61604#(or (= main_x main_y) (<= (select main_a main_x) 97)), 61605#(or (<= (select main_a main_x) 98) (= main_x main_y)), 61606#(or (<= (select main_a main_x) 99) (= main_x main_y)), 61607#(or (<= (select main_a main_x) 100) (= main_x main_y)), 61608#(or (<= (select main_a main_x) 101) (= main_x main_y)), 61609#(or (= main_x main_y) (<= (select main_a main_x) 102)), 61610#(or (<= (select main_a main_x) 103) (= main_x main_y)), 61611#(or (<= (select main_a main_x) 104) (= main_x main_y)), 61612#(or (= main_x main_y) (<= (select main_a main_x) 105)), 61613#(or (= main_x main_y) (<= (select main_a main_x) 106)), 61614#(or (<= (select main_a main_x) 107) (= main_x main_y)), 61615#(or (<= (select main_a main_x) 108) (= main_x main_y)), 61616#(or (= main_x main_y) (<= (select main_a main_x) 109)), 61617#(or (= main_x main_y) (<= (select main_a main_x) 110)), 61618#(or (<= (select main_a main_x) 111) (= main_x main_y)), 61619#(or (<= (select main_a main_x) 112) (= main_x main_y)), 61620#(or (<= (select main_a main_x) 113) (= main_x main_y)), 61621#(or (= main_x main_y) (<= (select main_a main_x) 114)), 61622#(or (= main_x main_y) (<= (select main_a main_x) 115)), 61623#(or (<= (select main_a main_x) 116) (= main_x main_y)), 61624#(or (<= (select main_a main_x) 117) (= main_x main_y)), 61625#(or (= main_x main_y) (<= (select main_a main_x) 118)), 61626#(or (= main_x main_y) (<= (select main_a main_x) 119)), 61627#(or (<= (select main_a main_x) 120) (= main_x main_y)), 61628#(or (= main_x main_y) (<= (select main_a main_x) 121)), 61629#(or (<= (select main_a main_x) 122) (= main_x main_y)), 61630#(or (= main_x main_y) (<= (select main_a main_x) 123)), 61631#(or (= main_x main_y) (<= (select main_a main_x) 124)), 61632#(or (<= (select main_a main_x) 125) (= main_x main_y)), 61633#(or (= main_x main_y) (<= (select main_a main_x) 126)), 61634#(or (<= (select main_a main_x) 127) (= main_x main_y)), 61635#(or (= main_x main_y) (<= (select main_a main_x) 128)), 61636#(or (= main_x main_y) (<= (select main_a main_x) 129)), 61637#(or (= main_x main_y) (<= (select main_a main_x) 130)), 61638#(or (<= (select main_a main_x) 131) (= main_x main_y)), 61639#(or (<= (select main_a main_x) 132) (= main_x main_y)), 61640#(or (= main_x main_y) (<= (select main_a main_x) 133)), 61641#(or (= main_x main_y) (<= (select main_a main_x) 134)), 61642#(or (= main_x main_y) (<= (select main_a main_x) 135)), 61643#(or (<= (select main_a main_x) 136) (= main_x main_y)), 61644#(or (<= (select main_a main_x) 137) (= main_x main_y)), 61645#(or (= main_x main_y) (<= (select main_a main_x) 138)), 61646#(or (= main_x main_y) (<= (select main_a main_x) 139)), 61647#(or (<= (select main_a main_x) 140) (= main_x main_y)), 61648#(or (<= (select main_a main_x) 141) (= main_x main_y)), 61649#(or (= main_x main_y) (<= (select main_a main_x) 142)), 61650#(or (= main_x main_y) (<= (select main_a main_x) 143)), 61651#(or (<= (select main_a main_x) 144) (= main_x main_y)), 61652#(or (= main_x main_y) (<= (select main_a main_x) 145)), 61653#(or (<= (select main_a main_x) 146) (= main_x main_y)), 61654#(or (= main_x main_y) (<= (select main_a main_x) 147)), 61655#(or (<= (select main_a main_x) 148) (= main_x main_y)), 61656#(or (= main_x main_y) (<= (select main_a main_x) 149)), 61657#(or (= main_x main_y) (<= (select main_a main_x) 150)), 61658#(or (<= (select main_a main_x) 151) (= main_x main_y)), 61659#(or (not (= (select main_a main_x) 1000)) (= main_x main_y))] [2018-07-23 13:57:51,611 INFO L134 CoverageAnalysis]: Checked inductivity of 11628 backedges. 0 proven. 11628 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-07-23 13:57:51,611 INFO L450 AbstractCegarLoop]: Interpolant automaton has 155 states [2018-07-23 13:57:51,613 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 155 interpolants. [2018-07-23 13:57:51,614 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=11935, Invalid=11935, Unknown=0, NotChecked=0, Total=23870 [2018-07-23 13:57:51,614 INFO L87 Difference]: Start difference. First operand 156 states and 156 transitions. Second operand 155 states. [2018-07-23 13:57:52,086 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-07-23 13:57:52,087 INFO L93 Difference]: Finished difference Result 159 states and 159 transitions. [2018-07-23 13:57:52,087 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 155 states. [2018-07-23 13:57:52,087 INFO L78 Accepts]: Start accepts. Automaton has 155 states. Word has length 155 [2018-07-23 13:57:52,087 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-07-23 13:57:52,087 INFO L225 Difference]: With dead ends: 159 [2018-07-23 13:57:52,087 INFO L226 Difference]: Without dead ends: 157 [2018-07-23 13:57:52,089 INFO L575 BasicCegarLoop]: 0 DeclaredPredicates, 154 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 153 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 1.1s TimeCoverageRelationStatistics Valid=11935, Invalid=11935, Unknown=0, NotChecked=0, Total=23870 [2018-07-23 13:57:52,089 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 157 states. [2018-07-23 13:57:52,099 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 157 to 157. [2018-07-23 13:57:52,099 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 157 states. [2018-07-23 13:57:52,099 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 157 states to 157 states and 157 transitions. [2018-07-23 13:57:52,100 INFO L78 Accepts]: Start accepts. Automaton has 157 states and 157 transitions. Word has length 155 [2018-07-23 13:57:52,100 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-07-23 13:57:52,100 INFO L471 AbstractCegarLoop]: Abstraction has 157 states and 157 transitions. [2018-07-23 13:57:52,100 INFO L472 AbstractCegarLoop]: Interpolant automaton has 155 states. [2018-07-23 13:57:52,100 INFO L276 IsEmpty]: Start isEmpty. Operand 157 states and 157 transitions. [2018-07-23 13:57:52,101 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 157 [2018-07-23 13:57:52,101 INFO L349 BasicCegarLoop]: Found error trace [2018-07-23 13:57:52,101 INFO L357 BasicCegarLoop]: trace histogram [153, 1, 1, 1] [2018-07-23 13:57:52,101 INFO L414 AbstractCegarLoop]: === Iteration 154 === [mainErr0AssertViolationASSERT]=== [2018-07-23 13:57:52,101 INFO L82 PathProgramCache]: Analyzing trace with hash -1766506874, now seen corresponding path program 153 times [2018-07-23 13:57:52,101 INFO L69 tionRefinementEngine]: Using refinement strategy FixedRefinementStrategy [2018-07-23 13:57:52,300 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-07-23 13:57:53,662 INFO L134 CoverageAnalysis]: Checked inductivity of 11781 backedges. 0 proven. 11781 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-07-23 13:57:53,662 INFO L309 seRefinementStrategy]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2018-07-23 13:57:53,663 INFO L324 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [155] total 155 [2018-07-23 13:57:53,663 INFO L142 lantAutomatonBuilder]: Constructing canonical interpolant automaton, with selfloop in false state [2018-07-23 13:57:53,663 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-07-23 13:57:53,663 INFO L185 omatonBuilderFactory]: Interpolants [62292#true, 62293#false, 62294#(or (= 0 (select main_a main_x)) (= main_x main_y)), 62295#(or (<= (select main_a main_x) 1) (= main_x main_y)), 62296#(or (= main_x main_y) (<= (select main_a main_x) 2)), 62297#(or (= main_x main_y) (<= (select main_a main_x) 3)), 62298#(or (<= (select main_a main_x) 4) (= main_x main_y)), 62299#(or (<= (select main_a main_x) 5) (= main_x main_y)), 62300#(or (<= (select main_a main_x) 6) (= main_x main_y)), 62301#(or (<= (select main_a main_x) 7) (= main_x main_y)), 62302#(or (<= (select main_a main_x) 8) (= main_x main_y)), 62303#(or (= main_x main_y) (<= (select main_a main_x) 9)), 62304#(or (= main_x main_y) (<= (select main_a main_x) 10)), 62305#(or (= main_x main_y) (<= (select main_a main_x) 11)), 62306#(or (<= (select main_a main_x) 12) (= main_x main_y)), 62307#(or (= main_x main_y) (<= (select main_a main_x) 13)), 62308#(or (<= (select main_a main_x) 14) (= main_x main_y)), 62309#(or (<= (select main_a main_x) 15) (= main_x main_y)), 62310#(or (<= (select main_a main_x) 16) (= main_x main_y)), 62311#(or (= main_x main_y) (<= (select main_a main_x) 17)), 62312#(or (<= (select main_a main_x) 18) (= main_x main_y)), 62313#(or (<= (select main_a main_x) 19) (= main_x main_y)), 62314#(or (= main_x main_y) (<= (select main_a main_x) 20)), 62315#(or (<= (select main_a main_x) 21) (= main_x main_y)), 62316#(or (= main_x main_y) (<= (select main_a main_x) 22)), 62317#(or (= main_x main_y) (<= (select main_a main_x) 23)), 62318#(or (<= (select main_a main_x) 24) (= main_x main_y)), 62319#(or (= main_x main_y) (<= (select main_a main_x) 25)), 62320#(or (<= (select main_a main_x) 26) (= main_x main_y)), 62321#(or (<= (select main_a main_x) 27) (= main_x main_y)), 62322#(or (<= (select main_a main_x) 28) (= main_x main_y)), 62323#(or (<= (select main_a main_x) 29) (= main_x main_y)), 62324#(or (= main_x main_y) (<= (select main_a main_x) 30)), 62325#(or (<= (select main_a main_x) 31) (= main_x main_y)), 62326#(or (<= (select main_a main_x) 32) (= main_x main_y)), 62327#(or (<= (select main_a main_x) 33) (= main_x main_y)), 62328#(or (<= (select main_a main_x) 34) (= main_x main_y)), 62329#(or (<= (select main_a main_x) 35) (= main_x main_y)), 62330#(or (<= (select main_a main_x) 36) (= main_x main_y)), 62331#(or (<= (select main_a main_x) 37) (= main_x main_y)), 62332#(or (<= (select main_a main_x) 38) (= main_x main_y)), 62333#(or (<= (select main_a main_x) 39) (= main_x main_y)), 62334#(or (<= (select main_a main_x) 40) (= main_x main_y)), 62335#(or (<= (select main_a main_x) 41) (= main_x main_y)), 62336#(or (<= (select main_a main_x) 42) (= main_x main_y)), 62337#(or (= main_x main_y) (<= (select main_a main_x) 43)), 62338#(or (= main_x main_y) (<= (select main_a main_x) 44)), 62339#(or (= main_x main_y) (<= (select main_a main_x) 45)), 62340#(or (<= (select main_a main_x) 46) (= main_x main_y)), 62341#(or (<= (select main_a main_x) 47) (= main_x main_y)), 62342#(or (<= (select main_a main_x) 48) (= main_x main_y)), 62343#(or (<= (select main_a main_x) 49) (= main_x main_y)), 62344#(or (<= (select main_a main_x) 50) (= main_x main_y)), 62345#(or (<= (select main_a main_x) 51) (= main_x main_y)), 62346#(or (= main_x main_y) (<= (select main_a main_x) 52)), 62347#(or (<= (select main_a main_x) 53) (= main_x main_y)), 62348#(or (<= (select main_a main_x) 54) (= main_x main_y)), 62349#(or (<= (select main_a main_x) 55) (= main_x main_y)), 62350#(or (= main_x main_y) (<= (select main_a main_x) 56)), 62351#(or (<= (select main_a main_x) 57) (= main_x main_y)), 62352#(or (<= (select main_a main_x) 58) (= main_x main_y)), 62353#(or (= main_x main_y) (<= (select main_a main_x) 59)), 62354#(or (= main_x main_y) (<= (select main_a main_x) 60)), 62355#(or (= main_x main_y) (<= (select main_a main_x) 61)), 62356#(or (<= (select main_a main_x) 62) (= main_x main_y)), 62357#(or (<= (select main_a main_x) 63) (= main_x main_y)), 62358#(or (= main_x main_y) (<= (select main_a main_x) 64)), 62359#(or (<= (select main_a main_x) 65) (= main_x main_y)), 62360#(or (= main_x main_y) (<= (select main_a main_x) 66)), 62361#(or (<= (select main_a main_x) 67) (= main_x main_y)), 62362#(or (= main_x main_y) (<= (select main_a main_x) 68)), 62363#(or (= main_x main_y) (<= (select main_a main_x) 69)), 62364#(or (<= (select main_a main_x) 70) (= main_x main_y)), 62365#(or (<= (select main_a main_x) 71) (= main_x main_y)), 62366#(or (= main_x main_y) (<= (select main_a main_x) 72)), 62367#(or (<= (select main_a main_x) 73) (= main_x main_y)), 62368#(or (= main_x main_y) (<= (select main_a main_x) 74)), 62369#(or (= main_x main_y) (<= (select main_a main_x) 75)), 62370#(or (<= (select main_a main_x) 76) (= main_x main_y)), 62371#(or (<= (select main_a main_x) 77) (= main_x main_y)), 62372#(or (<= (select main_a main_x) 78) (= main_x main_y)), 62373#(or (<= (select main_a main_x) 79) (= main_x main_y)), 62374#(or (<= (select main_a main_x) 80) (= main_x main_y)), 62375#(or (<= (select main_a main_x) 81) (= main_x main_y)), 62376#(or (<= (select main_a main_x) 82) (= main_x main_y)), 62377#(or (= main_x main_y) (<= (select main_a main_x) 83)), 62378#(or (<= (select main_a main_x) 84) (= main_x main_y)), 62379#(or (<= (select main_a main_x) 85) (= main_x main_y)), 62380#(or (<= (select main_a main_x) 86) (= main_x main_y)), 62381#(or (<= (select main_a main_x) 87) (= main_x main_y)), 62382#(or (<= (select main_a main_x) 88) (= main_x main_y)), 62383#(or (<= (select main_a main_x) 89) (= main_x main_y)), 62384#(or (<= (select main_a main_x) 90) (= main_x main_y)), 62385#(or (= main_x main_y) (<= (select main_a main_x) 91)), 62386#(or (<= (select main_a main_x) 92) (= main_x main_y)), 62387#(or (<= (select main_a main_x) 93) (= main_x main_y)), 62388#(or (= main_x main_y) (<= (select main_a main_x) 94)), 62389#(or (<= (select main_a main_x) 95) (= main_x main_y)), 62390#(or (<= (select main_a main_x) 96) (= main_x main_y)), 62391#(or (= main_x main_y) (<= (select main_a main_x) 97)), 62392#(or (<= (select main_a main_x) 98) (= main_x main_y)), 62393#(or (<= (select main_a main_x) 99) (= main_x main_y)), 62394#(or (<= (select main_a main_x) 100) (= main_x main_y)), 62395#(or (<= (select main_a main_x) 101) (= main_x main_y)), 62396#(or (= main_x main_y) (<= (select main_a main_x) 102)), 62397#(or (<= (select main_a main_x) 103) (= main_x main_y)), 62398#(or (<= (select main_a main_x) 104) (= main_x main_y)), 62399#(or (= main_x main_y) (<= (select main_a main_x) 105)), 62400#(or (= main_x main_y) (<= (select main_a main_x) 106)), 62401#(or (<= (select main_a main_x) 107) (= main_x main_y)), 62402#(or (<= (select main_a main_x) 108) (= main_x main_y)), 62403#(or (= main_x main_y) (<= (select main_a main_x) 109)), 62404#(or (= main_x main_y) (<= (select main_a main_x) 110)), 62405#(or (<= (select main_a main_x) 111) (= main_x main_y)), 62406#(or (<= (select main_a main_x) 112) (= main_x main_y)), 62407#(or (<= (select main_a main_x) 113) (= main_x main_y)), 62408#(or (= main_x main_y) (<= (select main_a main_x) 114)), 62409#(or (= main_x main_y) (<= (select main_a main_x) 115)), 62410#(or (<= (select main_a main_x) 116) (= main_x main_y)), 62411#(or (<= (select main_a main_x) 117) (= main_x main_y)), 62412#(or (= main_x main_y) (<= (select main_a main_x) 118)), 62413#(or (= main_x main_y) (<= (select main_a main_x) 119)), 62414#(or (<= (select main_a main_x) 120) (= main_x main_y)), 62415#(or (= main_x main_y) (<= (select main_a main_x) 121)), 62416#(or (<= (select main_a main_x) 122) (= main_x main_y)), 62417#(or (= main_x main_y) (<= (select main_a main_x) 123)), 62418#(or (= main_x main_y) (<= (select main_a main_x) 124)), 62419#(or (<= (select main_a main_x) 125) (= main_x main_y)), 62420#(or (= main_x main_y) (<= (select main_a main_x) 126)), 62421#(or (<= (select main_a main_x) 127) (= main_x main_y)), 62422#(or (= main_x main_y) (<= (select main_a main_x) 128)), 62423#(or (= main_x main_y) (<= (select main_a main_x) 129)), 62424#(or (= main_x main_y) (<= (select main_a main_x) 130)), 62425#(or (<= (select main_a main_x) 131) (= main_x main_y)), 62426#(or (<= (select main_a main_x) 132) (= main_x main_y)), 62427#(or (= main_x main_y) (<= (select main_a main_x) 133)), 62428#(or (= main_x main_y) (<= (select main_a main_x) 134)), 62429#(or (= main_x main_y) (<= (select main_a main_x) 135)), 62430#(or (<= (select main_a main_x) 136) (= main_x main_y)), 62431#(or (<= (select main_a main_x) 137) (= main_x main_y)), 62432#(or (= main_x main_y) (<= (select main_a main_x) 138)), 62433#(or (= main_x main_y) (<= (select main_a main_x) 139)), 62434#(or (<= (select main_a main_x) 140) (= main_x main_y)), 62435#(or (<= (select main_a main_x) 141) (= main_x main_y)), 62436#(or (= main_x main_y) (<= (select main_a main_x) 142)), 62437#(or (= main_x main_y) (<= (select main_a main_x) 143)), 62438#(or (<= (select main_a main_x) 144) (= main_x main_y)), 62439#(or (= main_x main_y) (<= (select main_a main_x) 145)), 62440#(or (<= (select main_a main_x) 146) (= main_x main_y)), 62441#(or (= main_x main_y) (<= (select main_a main_x) 147)), 62442#(or (<= (select main_a main_x) 148) (= main_x main_y)), 62443#(or (= main_x main_y) (<= (select main_a main_x) 149)), 62444#(or (= main_x main_y) (<= (select main_a main_x) 150)), 62445#(or (<= (select main_a main_x) 151) (= main_x main_y)), 62446#(or (<= (select main_a main_x) 152) (= main_x main_y)), 62447#(or (not (= (select main_a main_x) 1000)) (= main_x main_y))] [2018-07-23 13:57:53,664 INFO L134 CoverageAnalysis]: Checked inductivity of 11781 backedges. 0 proven. 11781 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-07-23 13:57:53,664 INFO L450 AbstractCegarLoop]: Interpolant automaton has 156 states [2018-07-23 13:57:53,665 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 156 interpolants. [2018-07-23 13:57:53,666 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=12090, Invalid=12090, Unknown=0, NotChecked=0, Total=24180 [2018-07-23 13:57:53,666 INFO L87 Difference]: Start difference. First operand 157 states and 157 transitions. Second operand 156 states. [2018-07-23 13:57:54,134 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-07-23 13:57:54,134 INFO L93 Difference]: Finished difference Result 160 states and 160 transitions. [2018-07-23 13:57:54,134 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 156 states. [2018-07-23 13:57:54,134 INFO L78 Accepts]: Start accepts. Automaton has 156 states. Word has length 156 [2018-07-23 13:57:54,135 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-07-23 13:57:54,135 INFO L225 Difference]: With dead ends: 160 [2018-07-23 13:57:54,135 INFO L226 Difference]: Without dead ends: 158 [2018-07-23 13:57:54,136 INFO L575 BasicCegarLoop]: 0 DeclaredPredicates, 155 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 154 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 1.2s TimeCoverageRelationStatistics Valid=12090, Invalid=12090, Unknown=0, NotChecked=0, Total=24180 [2018-07-23 13:57:54,136 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 158 states. [2018-07-23 13:57:54,144 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 158 to 158. [2018-07-23 13:57:54,144 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 158 states. [2018-07-23 13:57:54,144 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 158 states to 158 states and 158 transitions. [2018-07-23 13:57:54,144 INFO L78 Accepts]: Start accepts. Automaton has 158 states and 158 transitions. Word has length 156 [2018-07-23 13:57:54,144 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-07-23 13:57:54,144 INFO L471 AbstractCegarLoop]: Abstraction has 158 states and 158 transitions. [2018-07-23 13:57:54,144 INFO L472 AbstractCegarLoop]: Interpolant automaton has 156 states. [2018-07-23 13:57:54,145 INFO L276 IsEmpty]: Start isEmpty. Operand 158 states and 158 transitions. [2018-07-23 13:57:54,145 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 158 [2018-07-23 13:57:54,145 INFO L349 BasicCegarLoop]: Found error trace [2018-07-23 13:57:54,145 INFO L357 BasicCegarLoop]: trace histogram [154, 1, 1, 1] [2018-07-23 13:57:54,145 INFO L414 AbstractCegarLoop]: === Iteration 155 === [mainErr0AssertViolationASSERT]=== [2018-07-23 13:57:54,145 INFO L82 PathProgramCache]: Analyzing trace with hash 1072857888, now seen corresponding path program 154 times [2018-07-23 13:57:54,145 INFO L69 tionRefinementEngine]: Using refinement strategy FixedRefinementStrategy [2018-07-23 13:57:54,342 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-07-23 13:57:55,703 INFO L134 CoverageAnalysis]: Checked inductivity of 11935 backedges. 0 proven. 11935 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-07-23 13:57:55,703 INFO L309 seRefinementStrategy]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2018-07-23 13:57:55,703 INFO L324 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [156] total 156 [2018-07-23 13:57:55,703 INFO L142 lantAutomatonBuilder]: Constructing canonical interpolant automaton, with selfloop in false state [2018-07-23 13:57:55,704 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-07-23 13:57:55,704 INFO L185 omatonBuilderFactory]: Interpolants [63232#(or (<= (select main_a main_x) 146) (= main_x main_y)), 63233#(or (= main_x main_y) (<= (select main_a main_x) 147)), 63234#(or (<= (select main_a main_x) 148) (= main_x main_y)), 63235#(or (= main_x main_y) (<= (select main_a main_x) 149)), 63236#(or (= main_x main_y) (<= (select main_a main_x) 150)), 63237#(or (<= (select main_a main_x) 151) (= main_x main_y)), 63238#(or (<= (select main_a main_x) 152) (= main_x main_y)), 63239#(or (<= (select main_a main_x) 153) (= main_x main_y)), 63240#(or (not (= (select main_a main_x) 1000)) (= main_x main_y)), 63084#true, 63085#false, 63086#(or (= 0 (select main_a main_x)) (= main_x main_y)), 63087#(or (<= (select main_a main_x) 1) (= main_x main_y)), 63088#(or (= main_x main_y) (<= (select main_a main_x) 2)), 63089#(or (= main_x main_y) (<= (select main_a main_x) 3)), 63090#(or (<= (select main_a main_x) 4) (= main_x main_y)), 63091#(or (<= (select main_a main_x) 5) (= main_x main_y)), 63092#(or (<= (select main_a main_x) 6) (= main_x main_y)), 63093#(or (<= (select main_a main_x) 7) (= main_x main_y)), 63094#(or (<= (select main_a main_x) 8) (= main_x main_y)), 63095#(or (= main_x main_y) (<= (select main_a main_x) 9)), 63096#(or (= main_x main_y) (<= (select main_a main_x) 10)), 63097#(or (= main_x main_y) (<= (select main_a main_x) 11)), 63098#(or (<= (select main_a main_x) 12) (= main_x main_y)), 63099#(or (= main_x main_y) (<= (select main_a main_x) 13)), 63100#(or (<= (select main_a main_x) 14) (= main_x main_y)), 63101#(or (<= (select main_a main_x) 15) (= main_x main_y)), 63102#(or (<= (select main_a main_x) 16) (= main_x main_y)), 63103#(or (= main_x main_y) (<= (select main_a main_x) 17)), 63104#(or (<= (select main_a main_x) 18) (= main_x main_y)), 63105#(or (<= (select main_a main_x) 19) (= main_x main_y)), 63106#(or (= main_x main_y) (<= (select main_a main_x) 20)), 63107#(or (<= (select main_a main_x) 21) (= main_x main_y)), 63108#(or (= main_x main_y) (<= (select main_a main_x) 22)), 63109#(or (= main_x main_y) (<= (select main_a main_x) 23)), 63110#(or (<= (select main_a main_x) 24) (= main_x main_y)), 63111#(or (= main_x main_y) (<= (select main_a main_x) 25)), 63112#(or (<= (select main_a main_x) 26) (= main_x main_y)), 63113#(or (<= (select main_a main_x) 27) (= main_x main_y)), 63114#(or (<= (select main_a main_x) 28) (= main_x main_y)), 63115#(or (<= (select main_a main_x) 29) (= main_x main_y)), 63116#(or (= main_x main_y) (<= (select main_a main_x) 30)), 63117#(or (<= (select main_a main_x) 31) (= main_x main_y)), 63118#(or (<= (select main_a main_x) 32) (= main_x main_y)), 63119#(or (<= (select main_a main_x) 33) (= main_x main_y)), 63120#(or (<= (select main_a main_x) 34) (= main_x main_y)), 63121#(or (<= (select main_a main_x) 35) (= main_x main_y)), 63122#(or (<= (select main_a main_x) 36) (= main_x main_y)), 63123#(or (<= (select main_a main_x) 37) (= main_x main_y)), 63124#(or (<= (select main_a main_x) 38) (= main_x main_y)), 63125#(or (<= (select main_a main_x) 39) (= main_x main_y)), 63126#(or (<= (select main_a main_x) 40) (= main_x main_y)), 63127#(or (<= (select main_a main_x) 41) (= main_x main_y)), 63128#(or (<= (select main_a main_x) 42) (= main_x main_y)), 63129#(or (= main_x main_y) (<= (select main_a main_x) 43)), 63130#(or (= main_x main_y) (<= (select main_a main_x) 44)), 63131#(or (= main_x main_y) (<= (select main_a main_x) 45)), 63132#(or (<= (select main_a main_x) 46) (= main_x main_y)), 63133#(or (<= (select main_a main_x) 47) (= main_x main_y)), 63134#(or (<= (select main_a main_x) 48) (= main_x main_y)), 63135#(or (<= (select main_a main_x) 49) (= main_x main_y)), 63136#(or (<= (select main_a main_x) 50) (= main_x main_y)), 63137#(or (<= (select main_a main_x) 51) (= main_x main_y)), 63138#(or (= main_x main_y) (<= (select main_a main_x) 52)), 63139#(or (<= (select main_a main_x) 53) (= main_x main_y)), 63140#(or (<= (select main_a main_x) 54) (= main_x main_y)), 63141#(or (<= (select main_a main_x) 55) (= main_x main_y)), 63142#(or (= main_x main_y) (<= (select main_a main_x) 56)), 63143#(or (<= (select main_a main_x) 57) (= main_x main_y)), 63144#(or (<= (select main_a main_x) 58) (= main_x main_y)), 63145#(or (= main_x main_y) (<= (select main_a main_x) 59)), 63146#(or (= main_x main_y) (<= (select main_a main_x) 60)), 63147#(or (= main_x main_y) (<= (select main_a main_x) 61)), 63148#(or (<= (select main_a main_x) 62) (= main_x main_y)), 63149#(or (<= (select main_a main_x) 63) (= main_x main_y)), 63150#(or (= main_x main_y) (<= (select main_a main_x) 64)), 63151#(or (<= (select main_a main_x) 65) (= main_x main_y)), 63152#(or (= main_x main_y) (<= (select main_a main_x) 66)), 63153#(or (<= (select main_a main_x) 67) (= main_x main_y)), 63154#(or (= main_x main_y) (<= (select main_a main_x) 68)), 63155#(or (= main_x main_y) (<= (select main_a main_x) 69)), 63156#(or (<= (select main_a main_x) 70) (= main_x main_y)), 63157#(or (<= (select main_a main_x) 71) (= main_x main_y)), 63158#(or (= main_x main_y) (<= (select main_a main_x) 72)), 63159#(or (<= (select main_a main_x) 73) (= main_x main_y)), 63160#(or (= main_x main_y) (<= (select main_a main_x) 74)), 63161#(or (= main_x main_y) (<= (select main_a main_x) 75)), 63162#(or (<= (select main_a main_x) 76) (= main_x main_y)), 63163#(or (<= (select main_a main_x) 77) (= main_x main_y)), 63164#(or (<= (select main_a main_x) 78) (= main_x main_y)), 63165#(or (<= (select main_a main_x) 79) (= main_x main_y)), 63166#(or (<= (select main_a main_x) 80) (= main_x main_y)), 63167#(or (<= (select main_a main_x) 81) (= main_x main_y)), 63168#(or (<= (select main_a main_x) 82) (= main_x main_y)), 63169#(or (= main_x main_y) (<= (select main_a main_x) 83)), 63170#(or (<= (select main_a main_x) 84) (= main_x main_y)), 63171#(or (<= (select main_a main_x) 85) (= main_x main_y)), 63172#(or (<= (select main_a main_x) 86) (= main_x main_y)), 63173#(or (<= (select main_a main_x) 87) (= main_x main_y)), 63174#(or (<= (select main_a main_x) 88) (= main_x main_y)), 63175#(or (<= (select main_a main_x) 89) (= main_x main_y)), 63176#(or (<= (select main_a main_x) 90) (= main_x main_y)), 63177#(or (= main_x main_y) (<= (select main_a main_x) 91)), 63178#(or (<= (select main_a main_x) 92) (= main_x main_y)), 63179#(or (<= (select main_a main_x) 93) (= main_x main_y)), 63180#(or (= main_x main_y) (<= (select main_a main_x) 94)), 63181#(or (<= (select main_a main_x) 95) (= main_x main_y)), 63182#(or (<= (select main_a main_x) 96) (= main_x main_y)), 63183#(or (= main_x main_y) (<= (select main_a main_x) 97)), 63184#(or (<= (select main_a main_x) 98) (= main_x main_y)), 63185#(or (<= (select main_a main_x) 99) (= main_x main_y)), 63186#(or (<= (select main_a main_x) 100) (= main_x main_y)), 63187#(or (<= (select main_a main_x) 101) (= main_x main_y)), 63188#(or (= main_x main_y) (<= (select main_a main_x) 102)), 63189#(or (<= (select main_a main_x) 103) (= main_x main_y)), 63190#(or (<= (select main_a main_x) 104) (= main_x main_y)), 63191#(or (= main_x main_y) (<= (select main_a main_x) 105)), 63192#(or (= main_x main_y) (<= (select main_a main_x) 106)), 63193#(or (<= (select main_a main_x) 107) (= main_x main_y)), 63194#(or (<= (select main_a main_x) 108) (= main_x main_y)), 63195#(or (= main_x main_y) (<= (select main_a main_x) 109)), 63196#(or (= main_x main_y) (<= (select main_a main_x) 110)), 63197#(or (<= (select main_a main_x) 111) (= main_x main_y)), 63198#(or (<= (select main_a main_x) 112) (= main_x main_y)), 63199#(or (<= (select main_a main_x) 113) (= main_x main_y)), 63200#(or (= main_x main_y) (<= (select main_a main_x) 114)), 63201#(or (= main_x main_y) (<= (select main_a main_x) 115)), 63202#(or (<= (select main_a main_x) 116) (= main_x main_y)), 63203#(or (<= (select main_a main_x) 117) (= main_x main_y)), 63204#(or (= main_x main_y) (<= (select main_a main_x) 118)), 63205#(or (= main_x main_y) (<= (select main_a main_x) 119)), 63206#(or (<= (select main_a main_x) 120) (= main_x main_y)), 63207#(or (= main_x main_y) (<= (select main_a main_x) 121)), 63208#(or (<= (select main_a main_x) 122) (= main_x main_y)), 63209#(or (= main_x main_y) (<= (select main_a main_x) 123)), 63210#(or (= main_x main_y) (<= (select main_a main_x) 124)), 63211#(or (<= (select main_a main_x) 125) (= main_x main_y)), 63212#(or (= main_x main_y) (<= (select main_a main_x) 126)), 63213#(or (<= (select main_a main_x) 127) (= main_x main_y)), 63214#(or (= main_x main_y) (<= (select main_a main_x) 128)), 63215#(or (= main_x main_y) (<= (select main_a main_x) 129)), 63216#(or (= main_x main_y) (<= (select main_a main_x) 130)), 63217#(or (<= (select main_a main_x) 131) (= main_x main_y)), 63218#(or (<= (select main_a main_x) 132) (= main_x main_y)), 63219#(or (= main_x main_y) (<= (select main_a main_x) 133)), 63220#(or (= main_x main_y) (<= (select main_a main_x) 134)), 63221#(or (= main_x main_y) (<= (select main_a main_x) 135)), 63222#(or (<= (select main_a main_x) 136) (= main_x main_y)), 63223#(or (<= (select main_a main_x) 137) (= main_x main_y)), 63224#(or (= main_x main_y) (<= (select main_a main_x) 138)), 63225#(or (= main_x main_y) (<= (select main_a main_x) 139)), 63226#(or (<= (select main_a main_x) 140) (= main_x main_y)), 63227#(or (<= (select main_a main_x) 141) (= main_x main_y)), 63228#(or (= main_x main_y) (<= (select main_a main_x) 142)), 63229#(or (= main_x main_y) (<= (select main_a main_x) 143)), 63230#(or (<= (select main_a main_x) 144) (= main_x main_y)), 63231#(or (= main_x main_y) (<= (select main_a main_x) 145))] [2018-07-23 13:57:55,705 INFO L134 CoverageAnalysis]: Checked inductivity of 11935 backedges. 0 proven. 11935 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-07-23 13:57:55,705 INFO L450 AbstractCegarLoop]: Interpolant automaton has 157 states [2018-07-23 13:57:55,706 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 157 interpolants. [2018-07-23 13:57:55,707 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=12246, Invalid=12246, Unknown=0, NotChecked=0, Total=24492 [2018-07-23 13:57:55,707 INFO L87 Difference]: Start difference. First operand 158 states and 158 transitions. Second operand 157 states. [2018-07-23 13:57:56,095 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-07-23 13:57:56,095 INFO L93 Difference]: Finished difference Result 161 states and 161 transitions. [2018-07-23 13:57:56,095 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 157 states. [2018-07-23 13:57:56,095 INFO L78 Accepts]: Start accepts. Automaton has 157 states. Word has length 157 [2018-07-23 13:57:56,096 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-07-23 13:57:56,096 INFO L225 Difference]: With dead ends: 161 [2018-07-23 13:57:56,096 INFO L226 Difference]: Without dead ends: 159 [2018-07-23 13:57:56,097 INFO L575 BasicCegarLoop]: 0 DeclaredPredicates, 156 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 155 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 1.2s TimeCoverageRelationStatistics Valid=12246, Invalid=12246, Unknown=0, NotChecked=0, Total=24492 [2018-07-23 13:57:56,097 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 159 states. [2018-07-23 13:57:56,104 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 159 to 159. [2018-07-23 13:57:56,104 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 159 states. [2018-07-23 13:57:56,104 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 159 states to 159 states and 159 transitions. [2018-07-23 13:57:56,104 INFO L78 Accepts]: Start accepts. Automaton has 159 states and 159 transitions. Word has length 157 [2018-07-23 13:57:56,104 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-07-23 13:57:56,105 INFO L471 AbstractCegarLoop]: Abstraction has 159 states and 159 transitions. [2018-07-23 13:57:56,105 INFO L472 AbstractCegarLoop]: Interpolant automaton has 157 states. [2018-07-23 13:57:56,105 INFO L276 IsEmpty]: Start isEmpty. Operand 159 states and 159 transitions. [2018-07-23 13:57:56,105 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 159 [2018-07-23 13:57:56,105 INFO L349 BasicCegarLoop]: Found error trace [2018-07-23 13:57:56,105 INFO L357 BasicCegarLoop]: trace histogram [155, 1, 1, 1] [2018-07-23 13:57:56,105 INFO L414 AbstractCegarLoop]: === Iteration 156 === [mainErr0AssertViolationASSERT]=== [2018-07-23 13:57:56,105 INFO L82 PathProgramCache]: Analyzing trace with hash -1101147706, now seen corresponding path program 155 times [2018-07-23 13:57:56,105 INFO L69 tionRefinementEngine]: Using refinement strategy FixedRefinementStrategy [2018-07-23 13:57:56,272 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-07-23 13:57:57,654 INFO L134 CoverageAnalysis]: Checked inductivity of 12090 backedges. 0 proven. 12090 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-07-23 13:57:57,655 INFO L309 seRefinementStrategy]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2018-07-23 13:57:57,655 INFO L324 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [157] total 157 [2018-07-23 13:57:57,655 INFO L142 lantAutomatonBuilder]: Constructing canonical interpolant automaton, with selfloop in false state [2018-07-23 13:57:57,655 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 13:57:57,655 INFO L185 omatonBuilderFactory]: Interpolants [64000#(or (<= (select main_a main_x) 117) (= main_x main_y)), 64001#(or (= main_x main_y) (<= (select main_a main_x) 118)), 64002#(or (= main_x main_y) (<= (select main_a main_x) 119)), 64003#(or (<= (select main_a main_x) 120) (= main_x main_y)), 64004#(or (= main_x main_y) (<= (select main_a main_x) 121)), 64005#(or (<= (select main_a main_x) 122) (= main_x main_y)), 64006#(or (= main_x main_y) (<= (select main_a main_x) 123)), 64007#(or (= main_x main_y) (<= (select main_a main_x) 124)), 64008#(or (<= (select main_a main_x) 125) (= main_x main_y)), 64009#(or (= main_x main_y) (<= (select main_a main_x) 126)), 64010#(or (<= (select main_a main_x) 127) (= main_x main_y)), 64011#(or (= main_x main_y) (<= (select main_a main_x) 128)), 64012#(or (= main_x main_y) (<= (select main_a main_x) 129)), 64013#(or (= main_x main_y) (<= (select main_a main_x) 130)), 64014#(or (<= (select main_a main_x) 131) (= main_x main_y)), 64015#(or (<= (select main_a main_x) 132) (= main_x main_y)), 64016#(or (= main_x main_y) (<= (select main_a main_x) 133)), 64017#(or (= main_x main_y) (<= (select main_a main_x) 134)), 64018#(or (= main_x main_y) (<= (select main_a main_x) 135)), 64019#(or (<= (select main_a main_x) 136) (= main_x main_y)), 64020#(or (<= (select main_a main_x) 137) (= main_x main_y)), 64021#(or (= main_x main_y) (<= (select main_a main_x) 138)), 64022#(or (= main_x main_y) (<= (select main_a main_x) 139)), 64023#(or (<= (select main_a main_x) 140) (= main_x main_y)), 64024#(or (<= (select main_a main_x) 141) (= main_x main_y)), 64025#(or (= main_x main_y) (<= (select main_a main_x) 142)), 64026#(or (= main_x main_y) (<= (select main_a main_x) 143)), 64027#(or (<= (select main_a main_x) 144) (= main_x main_y)), 64028#(or (= main_x main_y) (<= (select main_a main_x) 145)), 64029#(or (<= (select main_a main_x) 146) (= main_x main_y)), 64030#(or (= main_x main_y) (<= (select main_a main_x) 147)), 64031#(or (<= (select main_a main_x) 148) (= main_x main_y)), 64032#(or (= main_x main_y) (<= (select main_a main_x) 149)), 64033#(or (= main_x main_y) (<= (select main_a main_x) 150)), 64034#(or (<= (select main_a main_x) 151) (= main_x main_y)), 64035#(or (<= (select main_a main_x) 152) (= main_x main_y)), 64036#(or (<= (select main_a main_x) 153) (= main_x main_y)), 64037#(or (<= (select main_a main_x) 154) (= main_x main_y)), 64038#(or (not (= (select main_a main_x) 1000)) (= main_x main_y)), 63881#true, 63882#false, 63883#(or (= 0 (select main_a main_x)) (= main_x main_y)), 63884#(or (<= (select main_a main_x) 1) (= main_x main_y)), 63885#(or (= main_x main_y) (<= (select main_a main_x) 2)), 63886#(or (= main_x main_y) (<= (select main_a main_x) 3)), 63887#(or (<= (select main_a main_x) 4) (= main_x main_y)), 63888#(or (<= (select main_a main_x) 5) (= main_x main_y)), 63889#(or (<= (select main_a main_x) 6) (= main_x main_y)), 63890#(or (<= (select main_a main_x) 7) (= main_x main_y)), 63891#(or (<= (select main_a main_x) 8) (= main_x main_y)), 63892#(or (= main_x main_y) (<= (select main_a main_x) 9)), 63893#(or (= main_x main_y) (<= (select main_a main_x) 10)), 63894#(or (= main_x main_y) (<= (select main_a main_x) 11)), 63895#(or (<= (select main_a main_x) 12) (= main_x main_y)), 63896#(or (= main_x main_y) (<= (select main_a main_x) 13)), 63897#(or (<= (select main_a main_x) 14) (= main_x main_y)), 63898#(or (<= (select main_a main_x) 15) (= main_x main_y)), 63899#(or (<= (select main_a main_x) 16) (= main_x main_y)), 63900#(or (= main_x main_y) (<= (select main_a main_x) 17)), 63901#(or (<= (select main_a main_x) 18) (= main_x main_y)), 63902#(or (<= (select main_a main_x) 19) (= main_x main_y)), 63903#(or (= main_x main_y) (<= (select main_a main_x) 20)), 63904#(or (<= (select main_a main_x) 21) (= main_x main_y)), 63905#(or (= main_x main_y) (<= (select main_a main_x) 22)), 63906#(or (= main_x main_y) (<= (select main_a main_x) 23)), 63907#(or (<= (select main_a main_x) 24) (= main_x main_y)), 63908#(or (= main_x main_y) (<= (select main_a main_x) 25)), 63909#(or (<= (select main_a main_x) 26) (= main_x main_y)), 63910#(or (<= (select main_a main_x) 27) (= main_x main_y)), 63911#(or (<= (select main_a main_x) 28) (= main_x main_y)), 63912#(or (<= (select main_a main_x) 29) (= main_x main_y)), 63913#(or (= main_x main_y) (<= (select main_a main_x) 30)), 63914#(or (<= (select main_a main_x) 31) (= main_x main_y)), 63915#(or (<= (select main_a main_x) 32) (= main_x main_y)), 63916#(or (<= (select main_a main_x) 33) (= main_x main_y)), 63917#(or (<= (select main_a main_x) 34) (= main_x main_y)), 63918#(or (<= (select main_a main_x) 35) (= main_x main_y)), 63919#(or (<= (select main_a main_x) 36) (= main_x main_y)), 63920#(or (<= (select main_a main_x) 37) (= main_x main_y)), 63921#(or (<= (select main_a main_x) 38) (= main_x main_y)), 63922#(or (<= (select main_a main_x) 39) (= main_x main_y)), 63923#(or (<= (select main_a main_x) 40) (= main_x main_y)), 63924#(or (<= (select main_a main_x) 41) (= main_x main_y)), 63925#(or (<= (select main_a main_x) 42) (= main_x main_y)), 63926#(or (= main_x main_y) (<= (select main_a main_x) 43)), 63927#(or (= main_x main_y) (<= (select main_a main_x) 44)), 63928#(or (= main_x main_y) (<= (select main_a main_x) 45)), 63929#(or (<= (select main_a main_x) 46) (= main_x main_y)), 63930#(or (<= (select main_a main_x) 47) (= main_x main_y)), 63931#(or (<= (select main_a main_x) 48) (= main_x main_y)), 63932#(or (<= (select main_a main_x) 49) (= main_x main_y)), 63933#(or (<= (select main_a main_x) 50) (= main_x main_y)), 63934#(or (<= (select main_a main_x) 51) (= main_x main_y)), 63935#(or (= main_x main_y) (<= (select main_a main_x) 52)), 63936#(or (<= (select main_a main_x) 53) (= main_x main_y)), 63937#(or (<= (select main_a main_x) 54) (= main_x main_y)), 63938#(or (<= (select main_a main_x) 55) (= main_x main_y)), 63939#(or (= main_x main_y) (<= (select main_a main_x) 56)), 63940#(or (<= (select main_a main_x) 57) (= main_x main_y)), 63941#(or (<= (select main_a main_x) 58) (= main_x main_y)), 63942#(or (= main_x main_y) (<= (select main_a main_x) 59)), 63943#(or (= main_x main_y) (<= (select main_a main_x) 60)), 63944#(or (= main_x main_y) (<= (select main_a main_x) 61)), 63945#(or (<= (select main_a main_x) 62) (= main_x main_y)), 63946#(or (<= (select main_a main_x) 63) (= main_x main_y)), 63947#(or (= main_x main_y) (<= (select main_a main_x) 64)), 63948#(or (<= (select main_a main_x) 65) (= main_x main_y)), 63949#(or (= main_x main_y) (<= (select main_a main_x) 66)), 63950#(or (<= (select main_a main_x) 67) (= main_x main_y)), 63951#(or (= main_x main_y) (<= (select main_a main_x) 68)), 63952#(or (= main_x main_y) (<= (select main_a main_x) 69)), 63953#(or (<= (select main_a main_x) 70) (= main_x main_y)), 63954#(or (<= (select main_a main_x) 71) (= main_x main_y)), 63955#(or (= main_x main_y) (<= (select main_a main_x) 72)), 63956#(or (<= (select main_a main_x) 73) (= main_x main_y)), 63957#(or (= main_x main_y) (<= (select main_a main_x) 74)), 63958#(or (= main_x main_y) (<= (select main_a main_x) 75)), 63959#(or (<= (select main_a main_x) 76) (= main_x main_y)), 63960#(or (<= (select main_a main_x) 77) (= main_x main_y)), 63961#(or (<= (select main_a main_x) 78) (= main_x main_y)), 63962#(or (<= (select main_a main_x) 79) (= main_x main_y)), 63963#(or (<= (select main_a main_x) 80) (= main_x main_y)), 63964#(or (<= (select main_a main_x) 81) (= main_x main_y)), 63965#(or (<= (select main_a main_x) 82) (= main_x main_y)), 63966#(or (= main_x main_y) (<= (select main_a main_x) 83)), 63967#(or (<= (select main_a main_x) 84) (= main_x main_y)), 63968#(or (<= (select main_a main_x) 85) (= main_x main_y)), 63969#(or (<= (select main_a main_x) 86) (= main_x main_y)), 63970#(or (<= (select main_a main_x) 87) (= main_x main_y)), 63971#(or (<= (select main_a main_x) 88) (= main_x main_y)), 63972#(or (<= (select main_a main_x) 89) (= main_x main_y)), 63973#(or (<= (select main_a main_x) 90) (= main_x main_y)), 63974#(or (= main_x main_y) (<= (select main_a main_x) 91)), 63975#(or (<= (select main_a main_x) 92) (= main_x main_y)), 63976#(or (<= (select main_a main_x) 93) (= main_x main_y)), 63977#(or (= main_x main_y) (<= (select main_a main_x) 94)), 63978#(or (<= (select main_a main_x) 95) (= main_x main_y)), 63979#(or (<= (select main_a main_x) 96) (= main_x main_y)), 63980#(or (= main_x main_y) (<= (select main_a main_x) 97)), 63981#(or (<= (select main_a main_x) 98) (= main_x main_y)), 63982#(or (<= (select main_a main_x) 99) (= main_x main_y)), 63983#(or (<= (select main_a main_x) 100) (= main_x main_y)), 63984#(or (<= (select main_a main_x) 101) (= main_x main_y)), 63985#(or (= main_x main_y) (<= (select main_a main_x) 102)), 63986#(or (<= (select main_a main_x) 103) (= main_x main_y)), 63987#(or (<= (select main_a main_x) 104) (= main_x main_y)), 63988#(or (= main_x main_y) (<= (select main_a main_x) 105)), 63989#(or (= main_x main_y) (<= (select main_a main_x) 106)), 63990#(or (<= (select main_a main_x) 107) (= main_x main_y)), 63991#(or (<= (select main_a main_x) 108) (= main_x main_y)), 63992#(or (= main_x main_y) (<= (select main_a main_x) 109)), 63993#(or (= main_x main_y) (<= (select main_a main_x) 110)), 63994#(or (<= (select main_a main_x) 111) (= main_x main_y)), 63995#(or (<= (select main_a main_x) 112) (= main_x main_y)), 63996#(or (<= (select main_a main_x) 113) (= main_x main_y)), 63997#(or (= main_x main_y) (<= (select main_a main_x) 114)), 63998#(or (= main_x main_y) (<= (select main_a main_x) 115)), 63999#(or (<= (select main_a main_x) 116) (= main_x main_y))] [2018-07-23 13:57:57,656 INFO L134 CoverageAnalysis]: Checked inductivity of 12090 backedges. 0 proven. 12090 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-07-23 13:57:57,656 INFO L450 AbstractCegarLoop]: Interpolant automaton has 158 states [2018-07-23 13:57:57,657 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 158 interpolants. [2018-07-23 13:57:57,658 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=12403, Invalid=12403, Unknown=0, NotChecked=0, Total=24806 [2018-07-23 13:57:57,658 INFO L87 Difference]: Start difference. First operand 159 states and 159 transitions. Second operand 158 states. [2018-07-23 13:57:57,912 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-07-23 13:57:57,912 INFO L93 Difference]: Finished difference Result 162 states and 162 transitions. [2018-07-23 13:57:57,912 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 158 states. [2018-07-23 13:57:57,912 INFO L78 Accepts]: Start accepts. Automaton has 158 states. Word has length 158 [2018-07-23 13:57:57,912 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-07-23 13:57:57,913 INFO L225 Difference]: With dead ends: 162 [2018-07-23 13:57:57,913 INFO L226 Difference]: Without dead ends: 160 [2018-07-23 13:57:57,914 INFO L575 BasicCegarLoop]: 0 DeclaredPredicates, 157 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 156 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 1.2s TimeCoverageRelationStatistics Valid=12403, Invalid=12403, Unknown=0, NotChecked=0, Total=24806 [2018-07-23 13:57:57,914 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 160 states. [2018-07-23 13:57:57,921 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 160 to 160. [2018-07-23 13:57:57,921 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 160 states. [2018-07-23 13:57:57,922 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 160 states to 160 states and 160 transitions. [2018-07-23 13:57:57,922 INFO L78 Accepts]: Start accepts. Automaton has 160 states and 160 transitions. Word has length 158 [2018-07-23 13:57:57,922 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-07-23 13:57:57,922 INFO L471 AbstractCegarLoop]: Abstraction has 160 states and 160 transitions. [2018-07-23 13:57:57,922 INFO L472 AbstractCegarLoop]: Interpolant automaton has 158 states. [2018-07-23 13:57:57,922 INFO L276 IsEmpty]: Start isEmpty. Operand 160 states and 160 transitions. [2018-07-23 13:57:57,922 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 160 [2018-07-23 13:57:57,922 INFO L349 BasicCegarLoop]: Found error trace [2018-07-23 13:57:57,923 INFO L357 BasicCegarLoop]: trace histogram [156, 1, 1, 1] [2018-07-23 13:57:57,923 INFO L414 AbstractCegarLoop]: === Iteration 157 === [mainErr0AssertViolationASSERT]=== [2018-07-23 13:57:57,923 INFO L82 PathProgramCache]: Analyzing trace with hash 224155616, now seen corresponding path program 156 times [2018-07-23 13:57:57,923 INFO L69 tionRefinementEngine]: Using refinement strategy FixedRefinementStrategy [2018-07-23 13:57:58,124 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-07-23 13:57:59,509 INFO L134 CoverageAnalysis]: Checked inductivity of 12246 backedges. 0 proven. 12246 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-07-23 13:57:59,510 INFO L309 seRefinementStrategy]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2018-07-23 13:57:59,510 INFO L324 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [158] total 158 [2018-07-23 13:57:59,510 INFO L142 lantAutomatonBuilder]: Constructing canonical interpolant automaton, with selfloop in false state [2018-07-23 13:57:59,510 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-07-23 13:57:59,510 INFO L185 omatonBuilderFactory]: Interpolants [64768#(or (= main_x main_y) (<= (select main_a main_x) 83)), 64769#(or (<= (select main_a main_x) 84) (= main_x main_y)), 64770#(or (<= (select main_a main_x) 85) (= main_x main_y)), 64771#(or (<= (select main_a main_x) 86) (= main_x main_y)), 64772#(or (<= (select main_a main_x) 87) (= main_x main_y)), 64773#(or (<= (select main_a main_x) 88) (= main_x main_y)), 64774#(or (<= (select main_a main_x) 89) (= main_x main_y)), 64775#(or (<= (select main_a main_x) 90) (= main_x main_y)), 64776#(or (= main_x main_y) (<= (select main_a main_x) 91)), 64777#(or (<= (select main_a main_x) 92) (= main_x main_y)), 64778#(or (<= (select main_a main_x) 93) (= main_x main_y)), 64779#(or (= main_x main_y) (<= (select main_a main_x) 94)), 64780#(or (<= (select main_a main_x) 95) (= main_x main_y)), 64781#(or (<= (select main_a main_x) 96) (= main_x main_y)), 64782#(or (= main_x main_y) (<= (select main_a main_x) 97)), 64783#(or (<= (select main_a main_x) 98) (= main_x main_y)), 64784#(or (<= (select main_a main_x) 99) (= main_x main_y)), 64785#(or (<= (select main_a main_x) 100) (= main_x main_y)), 64786#(or (<= (select main_a main_x) 101) (= main_x main_y)), 64787#(or (= main_x main_y) (<= (select main_a main_x) 102)), 64788#(or (<= (select main_a main_x) 103) (= main_x main_y)), 64789#(or (<= (select main_a main_x) 104) (= main_x main_y)), 64790#(or (= main_x main_y) (<= (select main_a main_x) 105)), 64791#(or (= main_x main_y) (<= (select main_a main_x) 106)), 64792#(or (<= (select main_a main_x) 107) (= main_x main_y)), 64793#(or (<= (select main_a main_x) 108) (= main_x main_y)), 64794#(or (= main_x main_y) (<= (select main_a main_x) 109)), 64795#(or (= main_x main_y) (<= (select main_a main_x) 110)), 64796#(or (<= (select main_a main_x) 111) (= main_x main_y)), 64797#(or (<= (select main_a main_x) 112) (= main_x main_y)), 64798#(or (<= (select main_a main_x) 113) (= main_x main_y)), 64799#(or (= main_x main_y) (<= (select main_a main_x) 114)), 64800#(or (= main_x main_y) (<= (select main_a main_x) 115)), 64801#(or (<= (select main_a main_x) 116) (= main_x main_y)), 64802#(or (<= (select main_a main_x) 117) (= main_x main_y)), 64803#(or (= main_x main_y) (<= (select main_a main_x) 118)), 64804#(or (= main_x main_y) (<= (select main_a main_x) 119)), 64805#(or (<= (select main_a main_x) 120) (= main_x main_y)), 64806#(or (= main_x main_y) (<= (select main_a main_x) 121)), 64807#(or (<= (select main_a main_x) 122) (= main_x main_y)), 64808#(or (= main_x main_y) (<= (select main_a main_x) 123)), 64809#(or (= main_x main_y) (<= (select main_a main_x) 124)), 64810#(or (<= (select main_a main_x) 125) (= main_x main_y)), 64811#(or (= main_x main_y) (<= (select main_a main_x) 126)), 64812#(or (<= (select main_a main_x) 127) (= main_x main_y)), 64813#(or (= main_x main_y) (<= (select main_a main_x) 128)), 64814#(or (= main_x main_y) (<= (select main_a main_x) 129)), 64815#(or (= main_x main_y) (<= (select main_a main_x) 130)), 64816#(or (<= (select main_a main_x) 131) (= main_x main_y)), 64817#(or (<= (select main_a main_x) 132) (= main_x main_y)), 64818#(or (= main_x main_y) (<= (select main_a main_x) 133)), 64819#(or (= main_x main_y) (<= (select main_a main_x) 134)), 64820#(or (= main_x main_y) (<= (select main_a main_x) 135)), 64821#(or (<= (select main_a main_x) 136) (= main_x main_y)), 64822#(or (<= (select main_a main_x) 137) (= main_x main_y)), 64823#(or (= main_x main_y) (<= (select main_a main_x) 138)), 64824#(or (= main_x main_y) (<= (select main_a main_x) 139)), 64825#(or (<= (select main_a main_x) 140) (= main_x main_y)), 64826#(or (<= (select main_a main_x) 141) (= main_x main_y)), 64827#(or (= main_x main_y) (<= (select main_a main_x) 142)), 64828#(or (= main_x main_y) (<= (select main_a main_x) 143)), 64829#(or (<= (select main_a main_x) 144) (= main_x main_y)), 64830#(or (= main_x main_y) (<= (select main_a main_x) 145)), 64831#(or (<= (select main_a main_x) 146) (= main_x main_y)), 64832#(or (= main_x main_y) (<= (select main_a main_x) 147)), 64833#(or (<= (select main_a main_x) 148) (= main_x main_y)), 64834#(or (= main_x main_y) (<= (select main_a main_x) 149)), 64835#(or (= main_x main_y) (<= (select main_a main_x) 150)), 64836#(or (<= (select main_a main_x) 151) (= main_x main_y)), 64837#(or (<= (select main_a main_x) 152) (= main_x main_y)), 64838#(or (<= (select main_a main_x) 153) (= main_x main_y)), 64839#(or (<= (select main_a main_x) 154) (= main_x main_y)), 64840#(or (<= (select main_a main_x) 155) (= main_x main_y)), 64841#(or (not (= (select main_a main_x) 1000)) (= main_x main_y)), 64683#true, 64684#false, 64685#(or (= 0 (select main_a main_x)) (= main_x main_y)), 64686#(or (<= (select main_a main_x) 1) (= main_x main_y)), 64687#(or (= main_x main_y) (<= (select main_a main_x) 2)), 64688#(or (= main_x main_y) (<= (select main_a main_x) 3)), 64689#(or (<= (select main_a main_x) 4) (= main_x main_y)), 64690#(or (<= (select main_a main_x) 5) (= main_x main_y)), 64691#(or (<= (select main_a main_x) 6) (= main_x main_y)), 64692#(or (<= (select main_a main_x) 7) (= main_x main_y)), 64693#(or (<= (select main_a main_x) 8) (= main_x main_y)), 64694#(or (= main_x main_y) (<= (select main_a main_x) 9)), 64695#(or (= main_x main_y) (<= (select main_a main_x) 10)), 64696#(or (= main_x main_y) (<= (select main_a main_x) 11)), 64697#(or (<= (select main_a main_x) 12) (= main_x main_y)), 64698#(or (= main_x main_y) (<= (select main_a main_x) 13)), 64699#(or (<= (select main_a main_x) 14) (= main_x main_y)), 64700#(or (<= (select main_a main_x) 15) (= main_x main_y)), 64701#(or (<= (select main_a main_x) 16) (= main_x main_y)), 64702#(or (= main_x main_y) (<= (select main_a main_x) 17)), 64703#(or (<= (select main_a main_x) 18) (= main_x main_y)), 64704#(or (<= (select main_a main_x) 19) (= main_x main_y)), 64705#(or (= main_x main_y) (<= (select main_a main_x) 20)), 64706#(or (<= (select main_a main_x) 21) (= main_x main_y)), 64707#(or (= main_x main_y) (<= (select main_a main_x) 22)), 64708#(or (= main_x main_y) (<= (select main_a main_x) 23)), 64709#(or (<= (select main_a main_x) 24) (= main_x main_y)), 64710#(or (= main_x main_y) (<= (select main_a main_x) 25)), 64711#(or (<= (select main_a main_x) 26) (= main_x main_y)), 64712#(or (<= (select main_a main_x) 27) (= main_x main_y)), 64713#(or (<= (select main_a main_x) 28) (= main_x main_y)), 64714#(or (<= (select main_a main_x) 29) (= main_x main_y)), 64715#(or (= main_x main_y) (<= (select main_a main_x) 30)), 64716#(or (<= (select main_a main_x) 31) (= main_x main_y)), 64717#(or (<= (select main_a main_x) 32) (= main_x main_y)), 64718#(or (<= (select main_a main_x) 33) (= main_x main_y)), 64719#(or (<= (select main_a main_x) 34) (= main_x main_y)), 64720#(or (<= (select main_a main_x) 35) (= main_x main_y)), 64721#(or (<= (select main_a main_x) 36) (= main_x main_y)), 64722#(or (<= (select main_a main_x) 37) (= main_x main_y)), 64723#(or (<= (select main_a main_x) 38) (= main_x main_y)), 64724#(or (<= (select main_a main_x) 39) (= main_x main_y)), 64725#(or (<= (select main_a main_x) 40) (= main_x main_y)), 64726#(or (<= (select main_a main_x) 41) (= main_x main_y)), 64727#(or (<= (select main_a main_x) 42) (= main_x main_y)), 64728#(or (= main_x main_y) (<= (select main_a main_x) 43)), 64729#(or (= main_x main_y) (<= (select main_a main_x) 44)), 64730#(or (= main_x main_y) (<= (select main_a main_x) 45)), 64731#(or (<= (select main_a main_x) 46) (= main_x main_y)), 64732#(or (<= (select main_a main_x) 47) (= main_x main_y)), 64733#(or (<= (select main_a main_x) 48) (= main_x main_y)), 64734#(or (<= (select main_a main_x) 49) (= main_x main_y)), 64735#(or (<= (select main_a main_x) 50) (= main_x main_y)), 64736#(or (<= (select main_a main_x) 51) (= main_x main_y)), 64737#(or (= main_x main_y) (<= (select main_a main_x) 52)), 64738#(or (<= (select main_a main_x) 53) (= main_x main_y)), 64739#(or (<= (select main_a main_x) 54) (= main_x main_y)), 64740#(or (<= (select main_a main_x) 55) (= main_x main_y)), 64741#(or (= main_x main_y) (<= (select main_a main_x) 56)), 64742#(or (<= (select main_a main_x) 57) (= main_x main_y)), 64743#(or (<= (select main_a main_x) 58) (= main_x main_y)), 64744#(or (= main_x main_y) (<= (select main_a main_x) 59)), 64745#(or (= main_x main_y) (<= (select main_a main_x) 60)), 64746#(or (= main_x main_y) (<= (select main_a main_x) 61)), 64747#(or (<= (select main_a main_x) 62) (= main_x main_y)), 64748#(or (<= (select main_a main_x) 63) (= main_x main_y)), 64749#(or (= main_x main_y) (<= (select main_a main_x) 64)), 64750#(or (<= (select main_a main_x) 65) (= main_x main_y)), 64751#(or (= main_x main_y) (<= (select main_a main_x) 66)), 64752#(or (<= (select main_a main_x) 67) (= main_x main_y)), 64753#(or (= main_x main_y) (<= (select main_a main_x) 68)), 64754#(or (= main_x main_y) (<= (select main_a main_x) 69)), 64755#(or (<= (select main_a main_x) 70) (= main_x main_y)), 64756#(or (<= (select main_a main_x) 71) (= main_x main_y)), 64757#(or (= main_x main_y) (<= (select main_a main_x) 72)), 64758#(or (<= (select main_a main_x) 73) (= main_x main_y)), 64759#(or (= main_x main_y) (<= (select main_a main_x) 74)), 64760#(or (= main_x main_y) (<= (select main_a main_x) 75)), 64761#(or (<= (select main_a main_x) 76) (= main_x main_y)), 64762#(or (<= (select main_a main_x) 77) (= main_x main_y)), 64763#(or (<= (select main_a main_x) 78) (= main_x main_y)), 64764#(or (<= (select main_a main_x) 79) (= main_x main_y)), 64765#(or (<= (select main_a main_x) 80) (= main_x main_y)), 64766#(or (<= (select main_a main_x) 81) (= main_x main_y)), 64767#(or (<= (select main_a main_x) 82) (= main_x main_y))] [2018-07-23 13:57:59,511 INFO L134 CoverageAnalysis]: Checked inductivity of 12246 backedges. 0 proven. 12246 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-07-23 13:57:59,511 INFO L450 AbstractCegarLoop]: Interpolant automaton has 159 states [2018-07-23 13:57:59,513 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 159 interpolants. [2018-07-23 13:57:59,514 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=12561, Invalid=12561, Unknown=0, NotChecked=0, Total=25122 [2018-07-23 13:57:59,514 INFO L87 Difference]: Start difference. First operand 160 states and 160 transitions. Second operand 159 states. [2018-07-23 13:57:59,714 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-07-23 13:57:59,715 INFO L93 Difference]: Finished difference Result 163 states and 163 transitions. [2018-07-23 13:57:59,715 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 159 states. [2018-07-23 13:57:59,715 INFO L78 Accepts]: Start accepts. Automaton has 159 states. Word has length 159 [2018-07-23 13:57:59,715 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-07-23 13:57:59,715 INFO L225 Difference]: With dead ends: 163 [2018-07-23 13:57:59,715 INFO L226 Difference]: Without dead ends: 161 [2018-07-23 13:57:59,717 INFO L575 BasicCegarLoop]: 0 DeclaredPredicates, 158 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 157 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 1.2s TimeCoverageRelationStatistics Valid=12561, Invalid=12561, Unknown=0, NotChecked=0, Total=25122 [2018-07-23 13:57:59,717 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 161 states. [2018-07-23 13:57:59,725 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 161 to 161. [2018-07-23 13:57:59,725 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 161 states. [2018-07-23 13:57:59,725 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 161 states to 161 states and 161 transitions. [2018-07-23 13:57:59,725 INFO L78 Accepts]: Start accepts. Automaton has 161 states and 161 transitions. Word has length 159 [2018-07-23 13:57:59,725 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-07-23 13:57:59,725 INFO L471 AbstractCegarLoop]: Abstraction has 161 states and 161 transitions. [2018-07-23 13:57:59,725 INFO L472 AbstractCegarLoop]: Interpolant automaton has 159 states. [2018-07-23 13:57:59,725 INFO L276 IsEmpty]: Start isEmpty. Operand 161 states and 161 transitions. [2018-07-23 13:57:59,726 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 161 [2018-07-23 13:57:59,726 INFO L349 BasicCegarLoop]: Found error trace [2018-07-23 13:57:59,726 INFO L357 BasicCegarLoop]: trace histogram [157, 1, 1, 1] [2018-07-23 13:57:59,726 INFO L414 AbstractCegarLoop]: === Iteration 158 === [mainErr0AssertViolationASSERT]=== [2018-07-23 13:57:59,726 INFO L82 PathProgramCache]: Analyzing trace with hash -1641114362, now seen corresponding path program 157 times [2018-07-23 13:57:59,726 INFO L69 tionRefinementEngine]: Using refinement strategy FixedRefinementStrategy [2018-07-23 13:57:59,929 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-07-23 13:58:01,376 INFO L134 CoverageAnalysis]: Checked inductivity of 12403 backedges. 0 proven. 12403 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-07-23 13:58:01,376 INFO L309 seRefinementStrategy]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2018-07-23 13:58:01,376 INFO L324 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [159] total 159 [2018-07-23 13:58:01,377 INFO L142 lantAutomatonBuilder]: Constructing canonical interpolant automaton, with selfloop in false state [2018-07-23 13:58:01,377 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-07-23 13:58:01,377 INFO L185 omatonBuilderFactory]: Interpolants [65537#(or (= main_x main_y) (<= (select main_a main_x) 45)), 65536#(or (= main_x main_y) (<= (select main_a main_x) 44)), 65539#(or (<= (select main_a main_x) 47) (= main_x main_y)), 65538#(or (<= (select main_a main_x) 46) (= main_x main_y)), 65541#(or (<= (select main_a main_x) 49) (= main_x main_y)), 65540#(or (<= (select main_a main_x) 48) (= main_x main_y)), 65543#(or (<= (select main_a main_x) 51) (= main_x main_y)), 65542#(or (<= (select main_a main_x) 50) (= main_x main_y)), 65545#(or (<= (select main_a main_x) 53) (= main_x main_y)), 65544#(or (= main_x main_y) (<= (select main_a main_x) 52)), 65547#(or (<= (select main_a main_x) 55) (= main_x main_y)), 65546#(or (<= (select main_a main_x) 54) (= main_x main_y)), 65549#(or (<= (select main_a main_x) 57) (= main_x main_y)), 65548#(or (= main_x main_y) (<= (select main_a main_x) 56)), 65551#(or (= main_x main_y) (<= (select main_a main_x) 59)), 65550#(or (<= (select main_a main_x) 58) (= main_x main_y)), 65553#(or (= main_x main_y) (<= (select main_a main_x) 61)), 65552#(or (= main_x main_y) (<= (select main_a main_x) 60)), 65555#(or (<= (select main_a main_x) 63) (= main_x main_y)), 65554#(or (<= (select main_a main_x) 62) (= main_x main_y)), 65557#(or (<= (select main_a main_x) 65) (= main_x main_y)), 65556#(or (= main_x main_y) (<= (select main_a main_x) 64)), 65559#(or (<= (select main_a main_x) 67) (= main_x main_y)), 65558#(or (= main_x main_y) (<= (select main_a main_x) 66)), 65561#(or (= main_x main_y) (<= (select main_a main_x) 69)), 65560#(or (= main_x main_y) (<= (select main_a main_x) 68)), 65563#(or (<= (select main_a main_x) 71) (= main_x main_y)), 65562#(or (<= (select main_a main_x) 70) (= main_x main_y)), 65565#(or (<= (select main_a main_x) 73) (= main_x main_y)), 65564#(or (= main_x main_y) (<= (select main_a main_x) 72)), 65567#(or (= main_x main_y) (<= (select main_a main_x) 75)), 65566#(or (= main_x main_y) (<= (select main_a main_x) 74)), 65569#(or (<= (select main_a main_x) 77) (= main_x main_y)), 65568#(or (<= (select main_a main_x) 76) (= main_x main_y)), 65571#(or (<= (select main_a main_x) 79) (= main_x main_y)), 65570#(or (<= (select main_a main_x) 78) (= main_x main_y)), 65573#(or (<= (select main_a main_x) 81) (= main_x main_y)), 65572#(or (<= (select main_a main_x) 80) (= main_x main_y)), 65575#(or (= main_x main_y) (<= (select main_a main_x) 83)), 65574#(or (<= (select main_a main_x) 82) (= main_x main_y)), 65577#(or (<= (select main_a main_x) 85) (= main_x main_y)), 65576#(or (<= (select main_a main_x) 84) (= main_x main_y)), 65579#(or (<= (select main_a main_x) 87) (= main_x main_y)), 65578#(or (<= (select main_a main_x) 86) (= main_x main_y)), 65581#(or (<= (select main_a main_x) 89) (= main_x main_y)), 65580#(or (<= (select main_a main_x) 88) (= main_x main_y)), 65583#(or (= main_x main_y) (<= (select main_a main_x) 91)), 65582#(or (<= (select main_a main_x) 90) (= main_x 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65601#(or (= main_x main_y) (<= (select main_a main_x) 109)), 65600#(or (<= (select main_a main_x) 108) (= main_x main_y)), 65603#(or (<= (select main_a main_x) 111) (= main_x main_y)), 65602#(or (= main_x main_y) (<= (select main_a main_x) 110)), 65605#(or (<= (select main_a main_x) 113) (= main_x main_y)), 65604#(or (<= (select main_a main_x) 112) (= main_x main_y)), 65607#(or (= main_x main_y) (<= (select main_a main_x) 115)), 65606#(or (= main_x main_y) (<= (select main_a main_x) 114)), 65609#(or (<= (select main_a main_x) 117) (= main_x main_y)), 65608#(or (<= (select main_a main_x) 116) (= main_x main_y)), 65611#(or (= main_x main_y) (<= (select main_a main_x) 119)), 65610#(or (= main_x main_y) (<= (select main_a main_x) 118)), 65613#(or (= main_x main_y) (<= (select main_a main_x) 121)), 65612#(or (<= (select main_a main_x) 120) (= main_x main_y)), 65615#(or (= main_x main_y) (<= (select main_a main_x) 123)), 65614#(or (<= (select main_a main_x) 122) (= main_x main_y)), 65617#(or (<= (select main_a main_x) 125) (= main_x main_y)), 65616#(or (= main_x main_y) (<= (select main_a main_x) 124)), 65619#(or (<= (select main_a main_x) 127) (= main_x main_y)), 65618#(or (= main_x main_y) (<= (select main_a main_x) 126)), 65621#(or (= main_x main_y) (<= (select main_a main_x) 129)), 65620#(or (= main_x main_y) (<= (select main_a main_x) 128)), 65623#(or (<= (select main_a main_x) 131) (= main_x main_y)), 65622#(or (= main_x main_y) (<= (select main_a main_x) 130)), 65625#(or (= main_x main_y) (<= (select main_a main_x) 133)), 65624#(or (<= (select main_a main_x) 132) (= main_x main_y)), 65627#(or (= main_x main_y) (<= (select main_a main_x) 135)), 65626#(or (= main_x main_y) (<= (select main_a main_x) 134)), 65629#(or (<= (select main_a main_x) 137) (= main_x main_y)), 65628#(or (<= (select main_a main_x) 136) (= main_x main_y)), 65631#(or (= main_x main_y) (<= (select main_a main_x) 139)), 65630#(or (= main_x main_y) (<= (select main_a main_x) 138)), 65633#(or (<= (select main_a main_x) 141) (= main_x main_y)), 65632#(or (<= (select main_a main_x) 140) (= main_x main_y)), 65635#(or (= main_x main_y) (<= (select main_a main_x) 143)), 65634#(or (= main_x main_y) (<= (select main_a main_x) 142)), 65637#(or (= main_x main_y) (<= (select main_a main_x) 145)), 65636#(or (<= (select main_a main_x) 144) (= main_x main_y)), 65639#(or (= main_x main_y) (<= (select main_a main_x) 147)), 65638#(or (<= (select main_a main_x) 146) (= main_x main_y)), 65641#(or (= main_x main_y) (<= (select main_a main_x) 149)), 65640#(or (<= (select main_a main_x) 148) (= main_x main_y)), 65643#(or (<= (select main_a main_x) 151) (= main_x main_y)), 65642#(or (= main_x main_y) (<= (select main_a main_x) 150)), 65645#(or (<= (select main_a main_x) 153) (= main_x main_y)), 65644#(or (<= (select main_a main_x) 152) (= main_x main_y)), 65647#(or (<= (select main_a main_x) 155) (= main_x main_y)), 65646#(or (<= (select main_a main_x) 154) (= main_x main_y)), 65649#(or (not (= (select main_a main_x) 1000)) (= main_x main_y)), 65648#(or (<= (select main_a main_x) 156) (= main_x main_y)), 65490#true, 65491#false, 65492#(or (= 0 (select main_a main_x)) (= main_x main_y)), 65493#(or (<= (select main_a main_x) 1) (= main_x main_y)), 65494#(or (= main_x main_y) (<= (select main_a main_x) 2)), 65495#(or (= main_x main_y) (<= (select main_a main_x) 3)), 65496#(or (<= (select main_a main_x) 4) (= main_x main_y)), 65497#(or (<= (select main_a main_x) 5) (= main_x main_y)), 65498#(or (<= (select main_a main_x) 6) (= main_x main_y)), 65499#(or (<= (select main_a main_x) 7) (= main_x main_y)), 65500#(or (<= (select main_a main_x) 8) (= main_x main_y)), 65501#(or (= main_x main_y) (<= (select main_a main_x) 9)), 65502#(or (= main_x main_y) (<= (select main_a main_x) 10)), 65503#(or (= main_x main_y) (<= (select main_a main_x) 11)), 65504#(or (<= (select main_a main_x) 12) (= main_x main_y)), 65505#(or (= main_x main_y) (<= (select main_a main_x) 13)), 65506#(or (<= (select main_a main_x) 14) (= main_x main_y)), 65507#(or (<= (select main_a main_x) 15) (= main_x main_y)), 65508#(or (<= (select main_a main_x) 16) (= main_x main_y)), 65509#(or (= main_x main_y) (<= (select main_a main_x) 17)), 65510#(or (<= (select main_a main_x) 18) (= main_x main_y)), 65511#(or (<= (select main_a main_x) 19) (= main_x main_y)), 65512#(or (= main_x main_y) (<= (select main_a main_x) 20)), 65513#(or (<= (select main_a main_x) 21) (= main_x main_y)), 65514#(or (= main_x main_y) (<= (select main_a main_x) 22)), 65515#(or (= main_x main_y) (<= (select main_a main_x) 23)), 65516#(or (<= (select main_a main_x) 24) (= main_x main_y)), 65517#(or (= main_x main_y) (<= (select main_a main_x) 25)), 65518#(or (<= (select main_a main_x) 26) (= main_x main_y)), 65519#(or (<= (select main_a main_x) 27) (= main_x main_y)), 65520#(or (<= (select main_a main_x) 28) (= main_x main_y)), 65521#(or (<= (select main_a main_x) 29) (= main_x main_y)), 65522#(or (= main_x main_y) (<= (select main_a main_x) 30)), 65523#(or (<= (select main_a main_x) 31) (= main_x main_y)), 65524#(or (<= (select main_a main_x) 32) (= main_x main_y)), 65525#(or (<= (select main_a main_x) 33) (= main_x main_y)), 65526#(or (<= (select main_a main_x) 34) (= main_x main_y)), 65527#(or (<= (select main_a main_x) 35) (= main_x main_y)), 65528#(or (<= (select main_a main_x) 36) (= main_x main_y)), 65529#(or (<= (select main_a main_x) 37) (= main_x main_y)), 65530#(or (<= (select main_a main_x) 38) (= main_x main_y)), 65531#(or (<= (select main_a main_x) 39) (= main_x main_y)), 65532#(or (<= (select main_a main_x) 40) (= main_x main_y)), 65533#(or (<= (select main_a main_x) 41) (= main_x main_y)), 65534#(or (<= (select main_a main_x) 42) (= main_x main_y)), 65535#(or (= main_x main_y) (<= (select main_a main_x) 43))] [2018-07-23 13:58:01,378 INFO L134 CoverageAnalysis]: Checked inductivity of 12403 backedges. 0 proven. 12403 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-07-23 13:58:01,378 INFO L450 AbstractCegarLoop]: Interpolant automaton has 160 states [2018-07-23 13:58:01,379 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 160 interpolants. [2018-07-23 13:58:01,380 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=12720, Invalid=12720, Unknown=0, NotChecked=0, Total=25440 [2018-07-23 13:58:01,380 INFO L87 Difference]: Start difference. First operand 161 states and 161 transitions. Second operand 160 states. [2018-07-23 13:58:01,737 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-07-23 13:58:01,737 INFO L93 Difference]: Finished difference Result 164 states and 164 transitions. [2018-07-23 13:58:01,737 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 160 states. [2018-07-23 13:58:01,737 INFO L78 Accepts]: Start accepts. Automaton has 160 states. Word has length 160 [2018-07-23 13:58:01,738 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-07-23 13:58:01,738 INFO L225 Difference]: With dead ends: 164 [2018-07-23 13:58:01,738 INFO L226 Difference]: Without dead ends: 162 [2018-07-23 13:58:01,739 INFO L575 BasicCegarLoop]: 0 DeclaredPredicates, 159 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 158 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 1.3s TimeCoverageRelationStatistics Valid=12720, Invalid=12720, Unknown=0, NotChecked=0, Total=25440 [2018-07-23 13:58:01,739 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 162 states. [2018-07-23 13:58:01,747 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 162 to 162. [2018-07-23 13:58:01,747 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 162 states. [2018-07-23 13:58:01,747 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 162 states to 162 states and 162 transitions. [2018-07-23 13:58:01,747 INFO L78 Accepts]: Start accepts. Automaton has 162 states and 162 transitions. Word has length 160 [2018-07-23 13:58:01,747 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-07-23 13:58:01,747 INFO L471 AbstractCegarLoop]: Abstraction has 162 states and 162 transitions. [2018-07-23 13:58:01,747 INFO L472 AbstractCegarLoop]: Interpolant automaton has 160 states. [2018-07-23 13:58:01,747 INFO L276 IsEmpty]: Start isEmpty. Operand 162 states and 162 transitions. [2018-07-23 13:58:01,748 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 162 [2018-07-23 13:58:01,748 INFO L349 BasicCegarLoop]: Found error trace [2018-07-23 13:58:01,748 INFO L357 BasicCegarLoop]: trace histogram [158, 1, 1, 1] [2018-07-23 13:58:01,748 INFO L414 AbstractCegarLoop]: === Iteration 159 === [mainErr0AssertViolationASSERT]=== [2018-07-23 13:58:01,748 INFO L82 PathProgramCache]: Analyzing trace with hash 665058464, now seen corresponding path program 158 times [2018-07-23 13:58:01,748 INFO L69 tionRefinementEngine]: Using refinement strategy FixedRefinementStrategy [2018-07-23 13:58:01,953 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-07-23 13:58:03,370 INFO L134 CoverageAnalysis]: Checked inductivity of 12561 backedges. 0 proven. 12561 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-07-23 13:58:03,370 INFO L309 seRefinementStrategy]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2018-07-23 13:58:03,370 INFO L324 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [160] total 160 [2018-07-23 13:58:03,371 INFO L142 lantAutomatonBuilder]: Constructing canonical interpolant automaton, with selfloop in false state [2018-07-23 13:58:03,371 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-07-23 13:58:03,371 INFO L185 omatonBuilderFactory]: Interpolants [66305#(or (<= (select main_a main_x) 1) (= main_x main_y)), 66304#(or (= 0 (select main_a main_x)) (= main_x main_y)), 66307#(or (= main_x main_y) (<= (select main_a main_x) 3)), 66306#(or (= main_x main_y) (<= (select main_a main_x) 2)), 66309#(or (<= (select main_a main_x) 5) (= main_x main_y)), 66308#(or (<= (select main_a main_x) 4) (= main_x main_y)), 66311#(or (<= (select main_a main_x) 7) (= main_x main_y)), 66310#(or (<= (select main_a main_x) 6) (= main_x main_y)), 66313#(or (= main_x main_y) (<= (select main_a main_x) 9)), 66312#(or (<= (select main_a main_x) 8) (= main_x main_y)), 66315#(or (= main_x main_y) (<= (select main_a main_x) 11)), 66314#(or (= main_x main_y) (<= (select main_a main_x) 10)), 66317#(or (= main_x main_y) (<= (select main_a main_x) 13)), 66316#(or (<= (select main_a main_x) 12) (= main_x main_y)), 66319#(or (<= (select main_a main_x) 15) (= main_x main_y)), 66318#(or (<= (select main_a main_x) 14) (= main_x main_y)), 66321#(or (= main_x main_y) (<= (select main_a main_x) 17)), 66320#(or (<= (select main_a main_x) 16) (= main_x main_y)), 66323#(or (<= (select main_a main_x) 19) (= main_x main_y)), 66322#(or (<= (select main_a main_x) 18) (= main_x main_y)), 66325#(or (<= (select main_a main_x) 21) (= main_x main_y)), 66324#(or (= main_x main_y) (<= (select main_a main_x) 20)), 66327#(or (= main_x main_y) (<= (select main_a main_x) 23)), 66326#(or (= main_x main_y) (<= (select main_a main_x) 22)), 66329#(or (= main_x main_y) (<= (select main_a main_x) 25)), 66328#(or (<= (select main_a main_x) 24) (= main_x main_y)), 66331#(or (<= (select main_a main_x) 27) (= main_x main_y)), 66330#(or (<= (select main_a main_x) 26) (= main_x main_y)), 66333#(or (<= (select main_a main_x) 29) (= main_x main_y)), 66332#(or (<= (select main_a main_x) 28) (= main_x main_y)), 66335#(or (<= (select main_a main_x) 31) (= main_x main_y)), 66334#(or (= main_x main_y) (<= (select main_a main_x) 30)), 66337#(or (<= (select main_a main_x) 33) (= main_x main_y)), 66336#(or (<= (select main_a main_x) 32) (= main_x main_y)), 66339#(or (<= (select main_a main_x) 35) (= main_x main_y)), 66338#(or (<= (select main_a main_x) 34) (= main_x main_y)), 66341#(or (<= (select main_a main_x) 37) (= main_x main_y)), 66340#(or (<= (select main_a main_x) 36) (= main_x main_y)), 66343#(or (<= (select main_a main_x) 39) (= main_x main_y)), 66342#(or (<= (select main_a main_x) 38) (= main_x main_y)), 66345#(or (<= (select main_a main_x) 41) (= main_x main_y)), 66344#(or (<= (select main_a main_x) 40) (= main_x main_y)), 66347#(or (= main_x main_y) (<= (select main_a main_x) 43)), 66346#(or (<= (select main_a main_x) 42) (= main_x main_y)), 66349#(or (= main_x main_y) (<= (select main_a main_x) 45)), 66348#(or (= main_x main_y) (<= (select main_a main_x) 44)), 66351#(or (<= (select main_a main_x) 47) (= main_x main_y)), 66350#(or (<= (select main_a main_x) 46) (= main_x main_y)), 66353#(or (<= (select main_a main_x) 49) (= main_x main_y)), 66352#(or (<= (select main_a main_x) 48) (= main_x main_y)), 66355#(or (<= (select main_a main_x) 51) (= main_x main_y)), 66354#(or (<= (select main_a main_x) 50) (= main_x main_y)), 66357#(or (<= (select main_a main_x) 53) (= main_x main_y)), 66356#(or (= main_x main_y) (<= (select main_a main_x) 52)), 66359#(or (<= (select main_a main_x) 55) (= main_x main_y)), 66358#(or (<= (select main_a main_x) 54) (= main_x main_y)), 66361#(or (<= (select main_a main_x) 57) (= main_x main_y)), 66360#(or (= main_x main_y) (<= (select main_a main_x) 56)), 66363#(or (= main_x main_y) (<= (select main_a main_x) 59)), 66362#(or (<= (select main_a main_x) 58) (= main_x main_y)), 66365#(or (= main_x main_y) (<= (select main_a main_x) 61)), 66364#(or (= main_x main_y) (<= (select main_a main_x) 60)), 66367#(or (<= (select main_a main_x) 63) (= main_x main_y)), 66366#(or (<= (select main_a main_x) 62) (= main_x main_y)), 66369#(or (<= (select main_a main_x) 65) (= main_x main_y)), 66368#(or (= main_x main_y) (<= (select main_a main_x) 64)), 66371#(or (<= (select main_a main_x) 67) (= main_x main_y)), 66370#(or (= main_x main_y) (<= (select main_a main_x) 66)), 66373#(or (= main_x main_y) (<= (select main_a main_x) 69)), 66372#(or (= main_x main_y) (<= (select main_a main_x) 68)), 66375#(or (<= (select main_a main_x) 71) (= main_x main_y)), 66374#(or (<= (select main_a main_x) 70) (= main_x main_y)), 66377#(or (<= (select main_a main_x) 73) (= main_x main_y)), 66376#(or (= main_x main_y) (<= (select main_a main_x) 72)), 66379#(or (= main_x main_y) (<= (select main_a main_x) 75)), 66378#(or (= main_x main_y) (<= (select main_a main_x) 74)), 66381#(or (<= (select main_a main_x) 77) (= main_x main_y)), 66380#(or (<= (select main_a main_x) 76) (= main_x main_y)), 66383#(or (<= (select main_a main_x) 79) (= main_x main_y)), 66382#(or (<= (select main_a main_x) 78) (= main_x main_y)), 66385#(or (<= (select main_a main_x) 81) (= main_x main_y)), 66384#(or (<= (select main_a main_x) 80) (= main_x main_y)), 66387#(or (= main_x main_y) (<= (select main_a main_x) 83)), 66386#(or (<= (select main_a main_x) 82) (= main_x main_y)), 66389#(or (<= (select main_a main_x) 85) (= main_x main_y)), 66388#(or (<= (select main_a main_x) 84) (= main_x main_y)), 66391#(or (<= (select main_a main_x) 87) (= main_x main_y)), 66390#(or (<= (select main_a main_x) 86) (= main_x main_y)), 66393#(or (<= (select main_a main_x) 89) (= main_x main_y)), 66392#(or (<= (select main_a main_x) 88) (= main_x main_y)), 66395#(or (= main_x main_y) (<= (select main_a main_x) 91)), 66394#(or (<= (select main_a main_x) 90) (= main_x main_y)), 66397#(or (<= (select main_a main_x) 93) (= main_x main_y)), 66396#(or (<= (select main_a main_x) 92) (= main_x main_y)), 66399#(or (<= (select main_a main_x) 95) (= main_x main_y)), 66398#(or (= main_x main_y) (<= (select main_a main_x) 94)), 66401#(or (= main_x main_y) (<= (select main_a main_x) 97)), 66400#(or (<= (select main_a main_x) 96) (= main_x main_y)), 66403#(or (<= (select main_a main_x) 99) (= main_x main_y)), 66402#(or (<= (select main_a main_x) 98) (= main_x main_y)), 66405#(or (<= (select main_a main_x) 101) (= main_x main_y)), 66404#(or (<= (select main_a main_x) 100) (= main_x main_y)), 66407#(or (<= (select main_a main_x) 103) (= main_x main_y)), 66406#(or (= main_x main_y) (<= (select main_a main_x) 102)), 66409#(or (= main_x main_y) (<= (select main_a main_x) 105)), 66408#(or (<= (select main_a main_x) 104) (= main_x main_y)), 66411#(or (<= (select main_a main_x) 107) (= main_x main_y)), 66410#(or (= main_x main_y) (<= (select main_a main_x) 106)), 66413#(or (= main_x main_y) (<= (select main_a main_x) 109)), 66412#(or (<= (select main_a main_x) 108) (= main_x main_y)), 66415#(or (<= (select main_a main_x) 111) (= main_x main_y)), 66414#(or (= main_x main_y) (<= (select main_a main_x) 110)), 66417#(or (<= (select main_a main_x) 113) (= main_x main_y)), 66416#(or (<= (select main_a main_x) 112) (= main_x main_y)), 66419#(or (= main_x main_y) (<= (select main_a main_x) 115)), 66418#(or (= main_x main_y) (<= (select main_a main_x) 114)), 66421#(or (<= (select main_a main_x) 117) (= main_x main_y)), 66420#(or (<= (select main_a main_x) 116) (= main_x main_y)), 66423#(or (= main_x main_y) (<= (select main_a main_x) 119)), 66422#(or (= main_x main_y) (<= (select main_a main_x) 118)), 66425#(or (= main_x main_y) (<= (select main_a main_x) 121)), 66424#(or (<= (select main_a main_x) 120) (= main_x main_y)), 66427#(or (= main_x main_y) (<= (select main_a main_x) 123)), 66426#(or (<= (select main_a main_x) 122) (= main_x main_y)), 66429#(or (<= (select main_a main_x) 125) (= main_x main_y)), 66428#(or (= main_x main_y) (<= (select main_a main_x) 124)), 66431#(or (<= (select main_a main_x) 127) (= main_x main_y)), 66430#(or (= main_x main_y) (<= (select main_a main_x) 126)), 66433#(or (= main_x main_y) (<= (select main_a main_x) 129)), 66432#(or (= main_x main_y) (<= (select main_a main_x) 128)), 66435#(or (<= (select main_a main_x) 131) (= main_x main_y)), 66434#(or (= main_x main_y) (<= (select main_a main_x) 130)), 66437#(or (= main_x main_y) (<= (select main_a main_x) 133)), 66436#(or (<= (select main_a main_x) 132) (= main_x main_y)), 66439#(or (= main_x main_y) (<= (select main_a main_x) 135)), 66438#(or (= main_x main_y) (<= (select main_a main_x) 134)), 66441#(or (<= (select main_a main_x) 137) (= main_x main_y)), 66440#(or (<= (select main_a main_x) 136) (= main_x main_y)), 66443#(or (= main_x main_y) (<= (select main_a main_x) 139)), 66442#(or (= main_x main_y) (<= (select main_a main_x) 138)), 66445#(or (<= (select main_a main_x) 141) (= main_x main_y)), 66444#(or (<= (select main_a main_x) 140) (= main_x main_y)), 66447#(or (= main_x main_y) (<= (select main_a main_x) 143)), 66446#(or (= main_x main_y) (<= (select main_a main_x) 142)), 66449#(or (= main_x main_y) (<= (select main_a main_x) 145)), 66448#(or (<= (select main_a main_x) 144) (= main_x main_y)), 66451#(or (= main_x main_y) (<= (select main_a main_x) 147)), 66450#(or (<= (select main_a main_x) 146) (= main_x main_y)), 66453#(or (= main_x main_y) (<= (select main_a main_x) 149)), 66452#(or (<= (select main_a main_x) 148) (= main_x main_y)), 66455#(or (<= (select main_a main_x) 151) (= main_x main_y)), 66454#(or (= main_x main_y) (<= (select main_a main_x) 150)), 66457#(or (<= (select main_a main_x) 153) (= main_x main_y)), 66456#(or (<= (select main_a main_x) 152) (= main_x main_y)), 66459#(or (<= (select main_a main_x) 155) (= main_x main_y)), 66458#(or (<= (select main_a main_x) 154) (= main_x main_y)), 66461#(or (<= (select main_a main_x) 157) (= main_x main_y)), 66460#(or (<= (select main_a main_x) 156) (= main_x main_y)), 66462#(or (not (= (select main_a main_x) 1000)) (= main_x main_y)), 66303#false, 66302#true] [2018-07-23 13:58:03,372 INFO L134 CoverageAnalysis]: Checked inductivity of 12561 backedges. 0 proven. 12561 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-07-23 13:58:03,372 INFO L450 AbstractCegarLoop]: Interpolant automaton has 161 states [2018-07-23 13:58:03,373 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 161 interpolants. [2018-07-23 13:58:03,374 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=12880, Invalid=12880, Unknown=0, NotChecked=0, Total=25760 [2018-07-23 13:58:03,375 INFO L87 Difference]: Start difference. First operand 162 states and 162 transitions. Second operand 161 states. [2018-07-23 13:58:03,986 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-07-23 13:58:03,986 INFO L93 Difference]: Finished difference Result 165 states and 165 transitions. [2018-07-23 13:58:03,986 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 161 states. [2018-07-23 13:58:03,986 INFO L78 Accepts]: Start accepts. Automaton has 161 states. Word has length 161 [2018-07-23 13:58:03,986 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-07-23 13:58:03,986 INFO L225 Difference]: With dead ends: 165 [2018-07-23 13:58:03,987 INFO L226 Difference]: Without dead ends: 163 [2018-07-23 13:58:03,988 INFO L575 BasicCegarLoop]: 0 DeclaredPredicates, 160 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 159 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 1.2s TimeCoverageRelationStatistics Valid=12880, Invalid=12880, Unknown=0, NotChecked=0, Total=25760 [2018-07-23 13:58:03,988 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 163 states. [2018-07-23 13:58:03,996 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 163 to 163. [2018-07-23 13:58:03,996 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 163 states. [2018-07-23 13:58:03,996 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 163 states to 163 states and 163 transitions. [2018-07-23 13:58:03,997 INFO L78 Accepts]: Start accepts. Automaton has 163 states and 163 transitions. Word has length 161 [2018-07-23 13:58:03,997 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-07-23 13:58:03,997 INFO L471 AbstractCegarLoop]: Abstraction has 163 states and 163 transitions. [2018-07-23 13:58:03,997 INFO L472 AbstractCegarLoop]: Interpolant automaton has 161 states. [2018-07-23 13:58:03,997 INFO L276 IsEmpty]: Start isEmpty. Operand 163 states and 163 transitions. [2018-07-23 13:58:03,997 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 163 [2018-07-23 13:58:03,997 INFO L349 BasicCegarLoop]: Found error trace [2018-07-23 13:58:03,997 INFO L357 BasicCegarLoop]: trace histogram [159, 1, 1, 1] [2018-07-23 13:58:03,997 INFO L414 AbstractCegarLoop]: === Iteration 160 === [mainErr0AssertViolationASSERT]=== [2018-07-23 13:58:03,998 INFO L82 PathProgramCache]: Analyzing trace with hash -858027962, now seen corresponding path program 159 times [2018-07-23 13:58:03,998 INFO L69 tionRefinementEngine]: Using refinement strategy FixedRefinementStrategy [2018-07-23 13:58:04,207 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-07-23 13:58:05,676 INFO L134 CoverageAnalysis]: Checked inductivity of 12720 backedges. 0 proven. 12720 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-07-23 13:58:05,676 INFO L309 seRefinementStrategy]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2018-07-23 13:58:05,677 INFO L324 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [161] total 161 [2018-07-23 13:58:05,677 INFO L142 lantAutomatonBuilder]: Constructing canonical interpolant automaton, with selfloop in false state [2018-07-23 13:58:05,677 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-07-23 13:58:05,677 INFO L185 omatonBuilderFactory]: Interpolants [67119#true, 67121#(or (= 0 (select main_a main_x)) (= main_x main_y)), 67120#false, 67123#(or (= main_x main_y) (<= (select main_a main_x) 2)), 67122#(or (<= (select main_a main_x) 1) (= main_x main_y)), 67125#(or (<= (select main_a main_x) 4) (= main_x main_y)), 67124#(or (= main_x main_y) (<= (select main_a main_x) 3)), 67127#(or (<= (select main_a main_x) 6) (= main_x main_y)), 67126#(or (<= (select main_a main_x) 5) (= main_x main_y)), 67129#(or (<= (select main_a main_x) 8) (= main_x main_y)), 67128#(or (<= (select main_a main_x) 7) (= main_x main_y)), 67131#(or (= main_x main_y) (<= (select main_a main_x) 10)), 67130#(or (= main_x main_y) (<= (select main_a main_x) 9)), 67133#(or (<= (select main_a main_x) 12) (= main_x main_y)), 67132#(or (= main_x main_y) (<= (select main_a main_x) 11)), 67135#(or (<= (select main_a main_x) 14) (= main_x main_y)), 67134#(or (= main_x main_y) (<= (select main_a main_x) 13)), 67137#(or (<= (select main_a main_x) 16) (= main_x main_y)), 67136#(or (<= (select main_a main_x) 15) (= main_x main_y)), 67139#(or (<= (select main_a main_x) 18) (= main_x main_y)), 67138#(or (= main_x main_y) (<= (select main_a main_x) 17)), 67141#(or (= main_x main_y) (<= (select main_a main_x) 20)), 67140#(or (<= (select main_a main_x) 19) (= main_x main_y)), 67143#(or (= main_x main_y) (<= (select main_a main_x) 22)), 67142#(or (<= (select main_a main_x) 21) (= main_x main_y)), 67145#(or (<= (select main_a main_x) 24) (= main_x main_y)), 67144#(or (= main_x main_y) (<= (select main_a main_x) 23)), 67147#(or (<= (select main_a main_x) 26) (= main_x main_y)), 67146#(or (= main_x main_y) (<= (select main_a main_x) 25)), 67149#(or (<= (select main_a main_x) 28) (= main_x main_y)), 67148#(or (<= (select main_a main_x) 27) (= main_x main_y)), 67151#(or (= main_x main_y) (<= (select main_a main_x) 30)), 67150#(or (<= (select main_a main_x) 29) (= main_x main_y)), 67153#(or (<= (select main_a main_x) 32) (= main_x main_y)), 67152#(or (<= (select main_a main_x) 31) (= main_x main_y)), 67155#(or (<= (select main_a main_x) 34) (= main_x main_y)), 67154#(or (<= (select main_a main_x) 33) (= main_x main_y)), 67157#(or (<= (select main_a main_x) 36) (= main_x main_y)), 67156#(or (<= (select main_a main_x) 35) (= main_x main_y)), 67159#(or (<= (select main_a main_x) 38) (= main_x main_y)), 67158#(or (<= (select main_a main_x) 37) (= main_x main_y)), 67161#(or (<= (select main_a main_x) 40) (= main_x main_y)), 67160#(or (<= (select main_a main_x) 39) (= main_x main_y)), 67163#(or (<= (select main_a main_x) 42) (= main_x main_y)), 67162#(or (<= (select main_a main_x) 41) (= main_x main_y)), 67165#(or (= main_x main_y) (<= (select main_a main_x) 44)), 67164#(or (= main_x main_y) (<= (select main_a main_x) 43)), 67167#(or (<= (select main_a main_x) 46) (= main_x main_y)), 67166#(or (= main_x main_y) (<= (select main_a main_x) 45)), 67169#(or (<= (select main_a main_x) 48) (= main_x main_y)), 67168#(or (<= (select main_a main_x) 47) (= main_x main_y)), 67171#(or (<= (select main_a main_x) 50) (= main_x main_y)), 67170#(or (<= (select main_a main_x) 49) (= main_x main_y)), 67173#(or (= main_x main_y) (<= (select main_a main_x) 52)), 67172#(or (<= (select main_a main_x) 51) (= main_x main_y)), 67175#(or (<= (select main_a main_x) 54) (= main_x main_y)), 67174#(or (<= (select main_a main_x) 53) (= main_x main_y)), 67177#(or (= main_x main_y) (<= (select main_a main_x) 56)), 67176#(or (<= (select main_a main_x) 55) (= main_x main_y)), 67179#(or (<= (select main_a main_x) 58) (= main_x main_y)), 67178#(or (<= (select main_a main_x) 57) (= main_x main_y)), 67181#(or (= main_x main_y) (<= (select main_a main_x) 60)), 67180#(or (= main_x main_y) (<= (select main_a main_x) 59)), 67183#(or (<= (select main_a main_x) 62) (= main_x main_y)), 67182#(or (= main_x main_y) (<= (select main_a main_x) 61)), 67185#(or (= main_x main_y) (<= (select main_a main_x) 64)), 67184#(or (<= (select main_a main_x) 63) (= main_x main_y)), 67187#(or (= main_x main_y) (<= (select main_a main_x) 66)), 67186#(or (<= (select main_a main_x) 65) (= main_x main_y)), 67189#(or (= main_x main_y) (<= (select main_a main_x) 68)), 67188#(or (<= (select main_a main_x) 67) (= main_x main_y)), 67191#(or (<= (select main_a main_x) 70) (= main_x main_y)), 67190#(or (= main_x main_y) (<= (select main_a main_x) 69)), 67193#(or (= main_x main_y) (<= (select main_a main_x) 72)), 67192#(or (<= (select main_a main_x) 71) (= main_x main_y)), 67195#(or (= main_x main_y) (<= (select main_a main_x) 74)), 67194#(or (<= (select main_a main_x) 73) (= main_x main_y)), 67197#(or (<= (select main_a main_x) 76) (= main_x main_y)), 67196#(or (= main_x main_y) (<= (select main_a main_x) 75)), 67199#(or (<= (select main_a main_x) 78) (= main_x main_y)), 67198#(or (<= (select main_a main_x) 77) (= main_x main_y)), 67201#(or (<= (select main_a main_x) 80) (= main_x main_y)), 67200#(or (<= (select main_a main_x) 79) (= main_x main_y)), 67203#(or (<= (select main_a main_x) 82) (= main_x main_y)), 67202#(or (<= (select main_a main_x) 81) (= main_x main_y)), 67205#(or (<= (select main_a main_x) 84) (= main_x main_y)), 67204#(or (= main_x main_y) (<= (select main_a main_x) 83)), 67207#(or (<= (select main_a main_x) 86) (= main_x main_y)), 67206#(or (<= (select main_a main_x) 85) (= main_x main_y)), 67209#(or (<= (select main_a main_x) 88) (= main_x main_y)), 67208#(or (<= (select main_a main_x) 87) (= main_x main_y)), 67211#(or (<= (select main_a main_x) 90) (= main_x main_y)), 67210#(or (<= (select main_a main_x) 89) (= main_x main_y)), 67213#(or (<= (select main_a main_x) 92) (= main_x main_y)), 67212#(or (= main_x main_y) (<= (select main_a main_x) 91)), 67215#(or (= main_x main_y) (<= (select main_a main_x) 94)), 67214#(or (<= (select main_a main_x) 93) (= main_x main_y)), 67217#(or (<= (select main_a main_x) 96) (= main_x main_y)), 67216#(or (<= (select main_a main_x) 95) (= main_x main_y)), 67219#(or (<= (select main_a main_x) 98) (= main_x main_y)), 67218#(or (= main_x main_y) (<= (select main_a main_x) 97)), 67221#(or (<= (select main_a main_x) 100) (= main_x main_y)), 67220#(or (<= (select main_a main_x) 99) (= main_x main_y)), 67223#(or (= main_x main_y) (<= (select main_a main_x) 102)), 67222#(or (<= (select main_a main_x) 101) (= main_x main_y)), 67225#(or (<= (select main_a main_x) 104) (= main_x main_y)), 67224#(or (<= (select main_a main_x) 103) (= main_x main_y)), 67227#(or (= main_x main_y) (<= (select main_a main_x) 106)), 67226#(or (= main_x main_y) (<= (select main_a main_x) 105)), 67229#(or (<= (select main_a main_x) 108) (= main_x main_y)), 67228#(or (<= (select main_a main_x) 107) (= main_x main_y)), 67231#(or (= main_x main_y) (<= (select main_a main_x) 110)), 67230#(or (= main_x main_y) (<= (select main_a main_x) 109)), 67233#(or (<= (select main_a main_x) 112) (= main_x main_y)), 67232#(or (<= (select main_a main_x) 111) (= main_x main_y)), 67235#(or (= main_x main_y) (<= (select main_a main_x) 114)), 67234#(or (<= (select main_a main_x) 113) (= main_x main_y)), 67237#(or (<= (select main_a main_x) 116) (= main_x main_y)), 67236#(or (= main_x main_y) (<= (select main_a main_x) 115)), 67239#(or (= main_x main_y) (<= (select main_a main_x) 118)), 67238#(or (<= (select main_a main_x) 117) (= main_x main_y)), 67241#(or (<= (select main_a main_x) 120) (= main_x main_y)), 67240#(or (= main_x main_y) (<= (select main_a main_x) 119)), 67243#(or (<= (select main_a main_x) 122) (= main_x main_y)), 67242#(or (= main_x main_y) (<= (select main_a main_x) 121)), 67245#(or (= main_x main_y) (<= (select main_a main_x) 124)), 67244#(or (= main_x main_y) (<= (select main_a main_x) 123)), 67247#(or (= main_x main_y) (<= (select main_a main_x) 126)), 67246#(or (<= (select main_a main_x) 125) (= main_x main_y)), 67249#(or (= main_x main_y) (<= (select main_a main_x) 128)), 67248#(or (<= (select main_a main_x) 127) (= main_x main_y)), 67251#(or (= main_x main_y) (<= (select main_a main_x) 130)), 67250#(or (= main_x main_y) (<= (select main_a main_x) 129)), 67253#(or (<= (select main_a main_x) 132) (= main_x main_y)), 67252#(or (<= (select main_a main_x) 131) (= main_x main_y)), 67255#(or (= main_x main_y) (<= (select main_a main_x) 134)), 67254#(or (= main_x main_y) (<= (select main_a main_x) 133)), 67257#(or (<= (select main_a main_x) 136) (= main_x main_y)), 67256#(or (= main_x main_y) (<= (select main_a main_x) 135)), 67259#(or (= main_x main_y) (<= (select main_a main_x) 138)), 67258#(or (<= (select main_a main_x) 137) (= main_x main_y)), 67261#(or (<= (select main_a main_x) 140) (= main_x main_y)), 67260#(or (= main_x main_y) (<= (select main_a main_x) 139)), 67263#(or (= main_x main_y) (<= (select main_a main_x) 142)), 67262#(or (<= (select main_a main_x) 141) (= main_x main_y)), 67265#(or (<= (select main_a main_x) 144) (= main_x main_y)), 67264#(or (= main_x main_y) (<= (select main_a main_x) 143)), 67267#(or (<= (select main_a main_x) 146) (= main_x main_y)), 67266#(or (= main_x main_y) (<= (select main_a main_x) 145)), 67269#(or (<= (select main_a main_x) 148) (= main_x main_y)), 67268#(or (= main_x main_y) (<= (select main_a main_x) 147)), 67271#(or (= main_x main_y) (<= (select main_a main_x) 150)), 67270#(or (= main_x main_y) (<= (select main_a main_x) 149)), 67273#(or (<= (select main_a main_x) 152) (= main_x main_y)), 67272#(or (<= (select main_a main_x) 151) (= main_x main_y)), 67275#(or (<= (select main_a main_x) 154) (= main_x main_y)), 67274#(or (<= (select main_a main_x) 153) (= main_x main_y)), 67277#(or (<= (select main_a main_x) 156) (= main_x main_y)), 67276#(or (<= (select main_a main_x) 155) (= main_x main_y)), 67279#(or (<= (select main_a main_x) 158) (= main_x main_y)), 67278#(or (<= (select main_a main_x) 157) (= main_x main_y)), 67280#(or (not (= (select main_a main_x) 1000)) (= main_x main_y))] [2018-07-23 13:58:05,678 INFO L134 CoverageAnalysis]: Checked inductivity of 12720 backedges. 0 proven. 12720 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-07-23 13:58:05,678 INFO L450 AbstractCegarLoop]: Interpolant automaton has 162 states [2018-07-23 13:58:05,680 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 162 interpolants. [2018-07-23 13:58:05,681 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=13041, Invalid=13041, Unknown=0, NotChecked=0, Total=26082 [2018-07-23 13:58:05,681 INFO L87 Difference]: Start difference. First operand 163 states and 163 transitions. Second operand 162 states. [2018-07-23 13:58:06,228 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-07-23 13:58:06,228 INFO L93 Difference]: Finished difference Result 166 states and 166 transitions. [2018-07-23 13:58:06,228 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 162 states. [2018-07-23 13:58:06,228 INFO L78 Accepts]: Start accepts. Automaton has 162 states. Word has length 162 [2018-07-23 13:58:06,229 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-07-23 13:58:06,229 INFO L225 Difference]: With dead ends: 166 [2018-07-23 13:58:06,229 INFO L226 Difference]: Without dead ends: 164 [2018-07-23 13:58:06,230 INFO L575 BasicCegarLoop]: 0 DeclaredPredicates, 161 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 160 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 1.3s TimeCoverageRelationStatistics Valid=13041, Invalid=13041, Unknown=0, NotChecked=0, Total=26082 [2018-07-23 13:58:06,230 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 164 states. [2018-07-23 13:58:06,241 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 164 to 164. [2018-07-23 13:58:06,241 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 164 states. [2018-07-23 13:58:06,241 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 164 states to 164 states and 164 transitions. [2018-07-23 13:58:06,241 INFO L78 Accepts]: Start accepts. Automaton has 164 states and 164 transitions. Word has length 162 [2018-07-23 13:58:06,242 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-07-23 13:58:06,242 INFO L471 AbstractCegarLoop]: Abstraction has 164 states and 164 transitions. [2018-07-23 13:58:06,242 INFO L472 AbstractCegarLoop]: Interpolant automaton has 162 states. [2018-07-23 13:58:06,242 INFO L276 IsEmpty]: Start isEmpty. Operand 164 states and 164 transitions. [2018-07-23 13:58:06,242 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 164 [2018-07-23 13:58:06,242 INFO L349 BasicCegarLoop]: Found error trace [2018-07-23 13:58:06,243 INFO L357 BasicCegarLoop]: trace histogram [160, 1, 1, 1] [2018-07-23 13:58:06,243 INFO L414 AbstractCegarLoop]: === Iteration 161 === [mainErr0AssertViolationASSERT]=== [2018-07-23 13:58:06,243 INFO L82 PathProgramCache]: Analyzing trace with hash -829066912, now seen corresponding path program 160 times [2018-07-23 13:58:06,243 INFO L69 tionRefinementEngine]: Using refinement strategy FixedRefinementStrategy [2018-07-23 13:58:06,452 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-07-23 13:58:07,958 INFO L134 CoverageAnalysis]: Checked inductivity of 12880 backedges. 0 proven. 12880 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-07-23 13:58:07,958 INFO L309 seRefinementStrategy]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2018-07-23 13:58:07,958 INFO L324 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [162] total 162 [2018-07-23 13:58:07,959 INFO L142 lantAutomatonBuilder]: Constructing canonical interpolant automaton, with selfloop in false state [2018-07-23 13:58:07,959 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-07-23 13:58:07,959 INFO L185 omatonBuilderFactory]: Interpolants [68097#(or (<= (select main_a main_x) 154) (= main_x main_y)), 68096#(or (<= (select main_a main_x) 153) (= main_x main_y)), 68099#(or (<= (select main_a main_x) 156) (= main_x main_y)), 68098#(or (<= (select main_a main_x) 155) (= main_x main_y)), 68101#(or (<= (select main_a main_x) 158) (= main_x main_y)), 68100#(or (<= (select main_a main_x) 157) (= main_x main_y)), 68103#(or (not (= (select main_a main_x) 1000)) (= main_x main_y)), 68102#(or (<= (select main_a main_x) 159) (= main_x main_y)), 67941#true, 67943#(or (= 0 (select main_a main_x)) (= main_x main_y)), 67942#false, 67945#(or (= main_x main_y) (<= (select main_a main_x) 2)), 67944#(or (<= (select main_a main_x) 1) (= main_x main_y)), 67947#(or (<= (select main_a main_x) 4) (= main_x main_y)), 67946#(or (= main_x main_y) (<= (select main_a main_x) 3)), 67949#(or (<= (select main_a main_x) 6) (= main_x main_y)), 67948#(or (<= (select main_a main_x) 5) (= main_x main_y)), 67951#(or (<= (select main_a main_x) 8) (= main_x main_y)), 67950#(or (<= (select main_a main_x) 7) (= main_x main_y)), 67953#(or (= main_x main_y) (<= (select main_a main_x) 10)), 67952#(or (= main_x main_y) (<= (select main_a main_x) 9)), 67955#(or (<= (select main_a main_x) 12) (= main_x main_y)), 67954#(or (= main_x main_y) (<= (select main_a main_x) 11)), 67957#(or (<= (select main_a main_x) 14) (= main_x main_y)), 67956#(or (= main_x main_y) (<= (select main_a main_x) 13)), 67959#(or (<= (select main_a main_x) 16) (= main_x main_y)), 67958#(or (<= (select main_a main_x) 15) (= main_x main_y)), 67961#(or (<= (select main_a main_x) 18) (= main_x main_y)), 67960#(or (= main_x main_y) (<= (select main_a main_x) 17)), 67963#(or (= main_x main_y) (<= (select main_a main_x) 20)), 67962#(or (<= (select main_a main_x) 19) (= main_x main_y)), 67965#(or (= main_x main_y) (<= (select main_a main_x) 22)), 67964#(or (<= (select main_a main_x) 21) (= main_x main_y)), 67967#(or (<= (select main_a main_x) 24) (= main_x main_y)), 67966#(or (= main_x main_y) (<= (select main_a main_x) 23)), 67969#(or (<= (select main_a main_x) 26) (= main_x main_y)), 67968#(or (= main_x main_y) (<= (select main_a main_x) 25)), 67971#(or (<= (select main_a main_x) 28) (= main_x main_y)), 67970#(or (<= (select main_a main_x) 27) (= main_x main_y)), 67973#(or (= main_x main_y) (<= (select main_a main_x) 30)), 67972#(or (<= (select main_a main_x) 29) (= main_x main_y)), 67975#(or (<= (select main_a main_x) 32) (= main_x main_y)), 67974#(or (<= (select main_a main_x) 31) (= main_x main_y)), 67977#(or (<= (select main_a main_x) 34) (= main_x main_y)), 67976#(or (<= (select main_a main_x) 33) (= main_x main_y)), 67979#(or (<= (select main_a main_x) 36) (= main_x main_y)), 67978#(or (<= (select main_a main_x) 35) (= main_x main_y)), 67981#(or (<= (select main_a main_x) 38) (= main_x main_y)), 67980#(or (<= (select main_a main_x) 37) (= main_x main_y)), 67983#(or (<= (select main_a main_x) 40) (= main_x main_y)), 67982#(or (<= (select main_a main_x) 39) (= main_x main_y)), 67985#(or (<= (select main_a main_x) 42) (= main_x main_y)), 67984#(or (<= (select main_a main_x) 41) (= main_x main_y)), 67987#(or (= main_x main_y) (<= (select main_a main_x) 44)), 67986#(or (= main_x main_y) (<= (select main_a main_x) 43)), 67989#(or (<= (select main_a main_x) 46) (= main_x main_y)), 67988#(or (= main_x main_y) (<= (select main_a main_x) 45)), 67991#(or (<= (select main_a main_x) 48) (= main_x main_y)), 67990#(or (<= (select main_a main_x) 47) (= main_x main_y)), 67993#(or (<= (select main_a main_x) 50) (= main_x main_y)), 67992#(or (<= (select main_a main_x) 49) (= main_x main_y)), 67995#(or (= main_x main_y) (<= (select main_a main_x) 52)), 67994#(or (<= (select main_a main_x) 51) (= main_x main_y)), 67997#(or (<= (select main_a main_x) 54) (= main_x main_y)), 67996#(or (<= (select main_a main_x) 53) (= main_x main_y)), 67999#(or (= main_x main_y) (<= (select main_a main_x) 56)), 67998#(or (<= (select main_a main_x) 55) (= main_x main_y)), 68001#(or (<= (select main_a main_x) 58) (= main_x main_y)), 68000#(or (<= (select main_a main_x) 57) (= main_x main_y)), 68003#(or (= main_x main_y) (<= (select main_a main_x) 60)), 68002#(or (= main_x main_y) (<= (select main_a main_x) 59)), 68005#(or (<= (select main_a main_x) 62) (= main_x main_y)), 68004#(or (= main_x main_y) (<= (select main_a main_x) 61)), 68007#(or (= main_x main_y) (<= (select main_a main_x) 64)), 68006#(or (<= (select main_a main_x) 63) (= main_x main_y)), 68009#(or (= main_x main_y) (<= (select main_a main_x) 66)), 68008#(or (<= (select main_a main_x) 65) (= main_x main_y)), 68011#(or (= main_x main_y) (<= (select main_a main_x) 68)), 68010#(or (<= (select main_a main_x) 67) (= main_x main_y)), 68013#(or (<= (select main_a main_x) 70) (= main_x main_y)), 68012#(or (= main_x main_y) (<= (select main_a main_x) 69)), 68015#(or (= main_x main_y) (<= (select main_a main_x) 72)), 68014#(or (<= (select main_a main_x) 71) (= main_x main_y)), 68017#(or (= main_x main_y) (<= (select main_a main_x) 74)), 68016#(or (<= (select main_a main_x) 73) (= main_x main_y)), 68019#(or (<= (select main_a main_x) 76) (= main_x main_y)), 68018#(or (= main_x main_y) (<= (select main_a main_x) 75)), 68021#(or (<= (select main_a main_x) 78) (= main_x main_y)), 68020#(or (<= (select main_a main_x) 77) (= main_x main_y)), 68023#(or (<= (select main_a main_x) 80) (= main_x main_y)), 68022#(or (<= (select main_a main_x) 79) (= main_x main_y)), 68025#(or (<= (select main_a main_x) 82) (= main_x main_y)), 68024#(or (<= (select main_a main_x) 81) (= main_x main_y)), 68027#(or (<= (select main_a main_x) 84) (= main_x main_y)), 68026#(or (= main_x main_y) (<= (select main_a main_x) 83)), 68029#(or (<= (select main_a main_x) 86) (= main_x main_y)), 68028#(or (<= (select main_a main_x) 85) (= main_x main_y)), 68031#(or (<= (select main_a main_x) 88) (= main_x main_y)), 68030#(or (<= (select main_a main_x) 87) (= main_x main_y)), 68033#(or (<= (select main_a main_x) 90) (= main_x main_y)), 68032#(or (<= (select main_a main_x) 89) (= main_x main_y)), 68035#(or (<= (select main_a main_x) 92) (= main_x main_y)), 68034#(or (= main_x main_y) (<= (select main_a main_x) 91)), 68037#(or (= main_x main_y) (<= (select main_a main_x) 94)), 68036#(or (<= (select main_a main_x) 93) (= main_x main_y)), 68039#(or (<= (select main_a main_x) 96) (= main_x main_y)), 68038#(or (<= (select main_a main_x) 95) (= main_x main_y)), 68041#(or (<= (select main_a main_x) 98) (= main_x main_y)), 68040#(or (= main_x main_y) (<= (select main_a main_x) 97)), 68043#(or (<= (select main_a main_x) 100) (= main_x main_y)), 68042#(or (<= (select main_a main_x) 99) (= main_x main_y)), 68045#(or (= main_x main_y) (<= (select main_a main_x) 102)), 68044#(or (<= (select main_a main_x) 101) (= main_x main_y)), 68047#(or (<= (select main_a main_x) 104) (= main_x main_y)), 68046#(or (<= (select main_a main_x) 103) (= main_x main_y)), 68049#(or (= main_x main_y) (<= (select main_a main_x) 106)), 68048#(or (= main_x main_y) (<= (select main_a main_x) 105)), 68051#(or (<= (select main_a main_x) 108) (= main_x main_y)), 68050#(or (<= (select main_a main_x) 107) (= main_x main_y)), 68053#(or (= main_x main_y) (<= (select main_a main_x) 110)), 68052#(or (= main_x main_y) (<= (select main_a main_x) 109)), 68055#(or (<= (select main_a main_x) 112) (= main_x main_y)), 68054#(or (<= (select main_a main_x) 111) (= main_x main_y)), 68057#(or (= main_x main_y) (<= (select main_a main_x) 114)), 68056#(or (<= (select main_a main_x) 113) (= main_x main_y)), 68059#(or (<= (select main_a main_x) 116) (= main_x main_y)), 68058#(or (= main_x main_y) (<= (select main_a main_x) 115)), 68061#(or (= main_x main_y) (<= (select main_a main_x) 118)), 68060#(or (<= (select main_a main_x) 117) (= main_x main_y)), 68063#(or (<= (select main_a main_x) 120) (= main_x main_y)), 68062#(or (= main_x main_y) (<= (select main_a main_x) 119)), 68065#(or (<= (select main_a main_x) 122) (= main_x main_y)), 68064#(or (= main_x main_y) (<= (select main_a main_x) 121)), 68067#(or (= main_x main_y) (<= (select main_a main_x) 124)), 68066#(or (= main_x main_y) (<= (select main_a main_x) 123)), 68069#(or (= main_x main_y) (<= (select main_a main_x) 126)), 68068#(or (<= (select main_a main_x) 125) (= main_x main_y)), 68071#(or (= main_x main_y) (<= (select main_a main_x) 128)), 68070#(or (<= (select main_a main_x) 127) (= main_x main_y)), 68073#(or (= main_x main_y) (<= (select main_a main_x) 130)), 68072#(or (= main_x main_y) (<= (select main_a main_x) 129)), 68075#(or (<= (select main_a main_x) 132) (= main_x main_y)), 68074#(or (<= (select main_a main_x) 131) (= main_x main_y)), 68077#(or (= main_x main_y) (<= (select main_a main_x) 134)), 68076#(or (= main_x main_y) (<= (select main_a main_x) 133)), 68079#(or (<= (select main_a main_x) 136) (= main_x main_y)), 68078#(or (= main_x main_y) (<= (select main_a main_x) 135)), 68081#(or (= main_x main_y) (<= (select main_a main_x) 138)), 68080#(or (<= (select main_a main_x) 137) (= main_x main_y)), 68083#(or (<= (select main_a main_x) 140) (= main_x main_y)), 68082#(or (= main_x main_y) (<= (select main_a main_x) 139)), 68085#(or (= main_x main_y) (<= (select main_a main_x) 142)), 68084#(or (<= (select main_a main_x) 141) (= main_x main_y)), 68087#(or (<= (select main_a main_x) 144) (= main_x main_y)), 68086#(or (= main_x main_y) (<= (select main_a main_x) 143)), 68089#(or (<= (select main_a main_x) 146) (= main_x main_y)), 68088#(or (= main_x main_y) (<= (select main_a main_x) 145)), 68091#(or (<= (select main_a main_x) 148) (= main_x main_y)), 68090#(or (= main_x main_y) (<= (select main_a main_x) 147)), 68093#(or (= main_x main_y) (<= (select main_a main_x) 150)), 68092#(or (= main_x main_y) (<= (select main_a main_x) 149)), 68095#(or (<= (select main_a main_x) 152) (= main_x main_y)), 68094#(or (<= (select main_a main_x) 151) (= main_x main_y))] [2018-07-23 13:58:07,960 INFO L134 CoverageAnalysis]: Checked inductivity of 12880 backedges. 0 proven. 12880 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-07-23 13:58:07,960 INFO L450 AbstractCegarLoop]: Interpolant automaton has 163 states [2018-07-23 13:58:07,962 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 163 interpolants. [2018-07-23 13:58:07,963 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=13203, Invalid=13203, Unknown=0, NotChecked=0, Total=26406 [2018-07-23 13:58:07,963 INFO L87 Difference]: Start difference. First operand 164 states and 164 transitions. Second operand 163 states. [2018-07-23 13:58:08,466 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-07-23 13:58:08,466 INFO L93 Difference]: Finished difference Result 167 states and 167 transitions. [2018-07-23 13:58:08,466 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 163 states. [2018-07-23 13:58:08,466 INFO L78 Accepts]: Start accepts. Automaton has 163 states. Word has length 163 [2018-07-23 13:58:08,467 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-07-23 13:58:08,467 INFO L225 Difference]: With dead ends: 167 [2018-07-23 13:58:08,467 INFO L226 Difference]: Without dead ends: 165 [2018-07-23 13:58:08,469 INFO L575 BasicCegarLoop]: 0 DeclaredPredicates, 162 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 161 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 1.3s TimeCoverageRelationStatistics Valid=13203, Invalid=13203, Unknown=0, NotChecked=0, Total=26406 [2018-07-23 13:58:08,469 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 165 states. [2018-07-23 13:58:08,477 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 165 to 165. [2018-07-23 13:58:08,477 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 165 states. [2018-07-23 13:58:08,477 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 165 states to 165 states and 165 transitions. [2018-07-23 13:58:08,477 INFO L78 Accepts]: Start accepts. Automaton has 165 states and 165 transitions. Word has length 163 [2018-07-23 13:58:08,477 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-07-23 13:58:08,477 INFO L471 AbstractCegarLoop]: Abstraction has 165 states and 165 transitions. [2018-07-23 13:58:08,478 INFO L472 AbstractCegarLoop]: Interpolant automaton has 163 states. [2018-07-23 13:58:08,478 INFO L276 IsEmpty]: Start isEmpty. Operand 165 states and 165 transitions. [2018-07-23 13:58:08,478 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 165 [2018-07-23 13:58:08,478 INFO L349 BasicCegarLoop]: Found error trace [2018-07-23 13:58:08,478 INFO L357 BasicCegarLoop]: trace histogram [161, 1, 1, 1] [2018-07-23 13:58:08,478 INFO L414 AbstractCegarLoop]: === Iteration 162 === [mainErr0AssertViolationASSERT]=== [2018-07-23 13:58:08,478 INFO L82 PathProgramCache]: Analyzing trace with hash 68725638, now seen corresponding path program 161 times [2018-07-23 13:58:08,478 INFO L69 tionRefinementEngine]: Using refinement strategy FixedRefinementStrategy [2018-07-23 13:58:08,692 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-07-23 13:58:10,199 INFO L134 CoverageAnalysis]: Checked inductivity of 13041 backedges. 0 proven. 13041 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-07-23 13:58:10,199 INFO L309 seRefinementStrategy]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2018-07-23 13:58:10,199 INFO L324 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [163] total 163 [2018-07-23 13:58:10,200 INFO L142 lantAutomatonBuilder]: Constructing canonical interpolant automaton, with selfloop in false state [2018-07-23 13:58:10,200 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-07-23 13:58:10,200 INFO L185 omatonBuilderFactory]: Interpolants [68865#(or (<= (select main_a main_x) 95) (= main_x main_y)), 68864#(or (= main_x main_y) (<= (select main_a main_x) 94)), 68867#(or (= main_x main_y) (<= (select main_a main_x) 97)), 68866#(or (<= (select main_a main_x) 96) (= main_x main_y)), 68869#(or (<= (select main_a main_x) 99) (= main_x main_y)), 68868#(or (<= (select main_a main_x) 98) (= main_x main_y)), 68871#(or (<= (select main_a main_x) 101) (= main_x main_y)), 68870#(or (<= (select main_a main_x) 100) (= main_x main_y)), 68873#(or (<= (select main_a main_x) 103) (= main_x main_y)), 68872#(or (= main_x main_y) (<= (select main_a main_x) 102)), 68875#(or (= main_x main_y) (<= (select main_a main_x) 105)), 68874#(or (<= (select main_a main_x) 104) (= main_x main_y)), 68877#(or (<= (select main_a main_x) 107) (= main_x main_y)), 68876#(or (= main_x main_y) (<= (select main_a main_x) 106)), 68879#(or (= main_x main_y) (<= (select main_a main_x) 109)), 68878#(or (<= (select main_a main_x) 108) (= main_x main_y)), 68881#(or (<= (select main_a main_x) 111) (= main_x main_y)), 68880#(or (= main_x main_y) (<= (select main_a main_x) 110)), 68883#(or (<= (select main_a main_x) 113) (= main_x main_y)), 68882#(or (<= (select main_a main_x) 112) (= main_x main_y)), 68885#(or (= main_x main_y) (<= (select main_a main_x) 115)), 68884#(or (= main_x main_y) (<= (select main_a main_x) 114)), 68887#(or (<= (select main_a main_x) 117) (= main_x main_y)), 68886#(or (<= (select main_a main_x) 116) (= main_x main_y)), 68889#(or (= main_x main_y) (<= (select main_a main_x) 119)), 68888#(or (= main_x main_y) (<= (select main_a main_x) 118)), 68891#(or (= main_x main_y) (<= (select main_a main_x) 121)), 68890#(or (<= (select main_a main_x) 120) (= main_x main_y)), 68893#(or (= main_x main_y) (<= (select main_a main_x) 123)), 68892#(or (<= (select main_a main_x) 122) (= main_x main_y)), 68895#(or (<= (select main_a main_x) 125) (= main_x main_y)), 68894#(or (= main_x main_y) (<= (select main_a main_x) 124)), 68897#(or (<= (select main_a main_x) 127) (= main_x main_y)), 68896#(or (= main_x main_y) (<= (select main_a main_x) 126)), 68899#(or (= main_x main_y) (<= (select main_a main_x) 129)), 68898#(or (= main_x main_y) (<= (select main_a main_x) 128)), 68901#(or (<= (select main_a main_x) 131) (= main_x main_y)), 68900#(or (= main_x main_y) (<= (select main_a main_x) 130)), 68903#(or (= main_x main_y) (<= (select main_a main_x) 133)), 68902#(or (<= (select main_a main_x) 132) (= main_x main_y)), 68905#(or (= main_x main_y) (<= (select main_a main_x) 135)), 68904#(or (= main_x main_y) (<= (select main_a main_x) 134)), 68907#(or (<= (select main_a main_x) 137) (= main_x main_y)), 68906#(or (<= (select main_a main_x) 136) (= main_x main_y)), 68909#(or (= main_x main_y) (<= (select main_a main_x) 139)), 68908#(or (= main_x main_y) (<= (select main_a main_x) 138)), 68911#(or (<= (select main_a main_x) 141) (= main_x main_y)), 68910#(or (<= (select main_a main_x) 140) (= main_x main_y)), 68913#(or (= main_x main_y) (<= (select main_a main_x) 143)), 68912#(or (= main_x main_y) (<= (select main_a main_x) 142)), 68915#(or (= main_x main_y) (<= (select main_a main_x) 145)), 68914#(or (<= (select main_a main_x) 144) (= main_x main_y)), 68917#(or (= main_x main_y) (<= (select main_a main_x) 147)), 68916#(or (<= (select main_a main_x) 146) (= main_x main_y)), 68919#(or (= main_x main_y) (<= (select main_a main_x) 149)), 68918#(or (<= (select main_a main_x) 148) (= main_x main_y)), 68921#(or (<= (select main_a main_x) 151) (= main_x main_y)), 68920#(or (= main_x main_y) (<= (select main_a main_x) 150)), 68923#(or (<= (select main_a main_x) 153) (= main_x main_y)), 68922#(or (<= (select main_a main_x) 152) (= main_x main_y)), 68925#(or (<= (select main_a main_x) 155) (= main_x main_y)), 68924#(or (<= (select main_a main_x) 154) (= main_x main_y)), 68927#(or (<= (select main_a main_x) 157) (= main_x main_y)), 68926#(or (<= (select main_a main_x) 156) (= main_x main_y)), 68929#(or (<= (select main_a main_x) 159) (= main_x main_y)), 68928#(or (<= (select main_a main_x) 158) (= main_x main_y)), 68931#(or (not (= (select main_a main_x) 1000)) (= main_x main_y)), 68930#(or (= main_x main_y) (<= (select main_a main_x) 160)), 68769#false, 68768#true, 68771#(or (<= (select main_a main_x) 1) (= main_x main_y)), 68770#(or (= 0 (select main_a main_x)) (= main_x main_y)), 68773#(or (= main_x main_y) (<= (select main_a main_x) 3)), 68772#(or (= main_x main_y) (<= (select main_a main_x) 2)), 68775#(or (<= (select main_a main_x) 5) (= main_x main_y)), 68774#(or (<= (select main_a main_x) 4) (= main_x main_y)), 68777#(or (<= (select main_a main_x) 7) (= main_x main_y)), 68776#(or (<= (select main_a main_x) 6) (= main_x main_y)), 68779#(or (= main_x main_y) (<= (select main_a main_x) 9)), 68778#(or (<= (select main_a main_x) 8) (= main_x main_y)), 68781#(or (= main_x main_y) (<= (select main_a main_x) 11)), 68780#(or (= main_x main_y) (<= (select main_a main_x) 10)), 68783#(or (= main_x main_y) (<= (select main_a main_x) 13)), 68782#(or (<= (select main_a main_x) 12) (= main_x main_y)), 68785#(or (<= (select main_a main_x) 15) (= main_x main_y)), 68784#(or (<= (select main_a main_x) 14) (= main_x main_y)), 68787#(or (= main_x main_y) (<= (select main_a main_x) 17)), 68786#(or (<= (select main_a main_x) 16) (= main_x main_y)), 68789#(or (<= (select main_a main_x) 19) (= main_x main_y)), 68788#(or (<= (select main_a main_x) 18) (= main_x main_y)), 68791#(or (<= (select main_a main_x) 21) (= main_x main_y)), 68790#(or (= main_x main_y) (<= (select main_a main_x) 20)), 68793#(or (= main_x main_y) (<= (select main_a main_x) 23)), 68792#(or (= main_x main_y) (<= (select main_a main_x) 22)), 68795#(or (= main_x main_y) (<= (select main_a main_x) 25)), 68794#(or (<= (select main_a main_x) 24) (= main_x main_y)), 68797#(or (<= (select main_a main_x) 27) (= main_x main_y)), 68796#(or (<= (select main_a main_x) 26) (= main_x main_y)), 68799#(or (<= (select main_a main_x) 29) (= main_x main_y)), 68798#(or (<= (select main_a main_x) 28) (= main_x main_y)), 68801#(or (<= (select main_a main_x) 31) (= main_x main_y)), 68800#(or (= main_x main_y) (<= (select main_a main_x) 30)), 68803#(or (<= (select main_a main_x) 33) (= main_x main_y)), 68802#(or (<= (select main_a main_x) 32) (= main_x main_y)), 68805#(or (<= (select main_a main_x) 35) (= main_x main_y)), 68804#(or (<= (select main_a main_x) 34) (= main_x main_y)), 68807#(or (<= (select main_a main_x) 37) (= main_x main_y)), 68806#(or (<= (select main_a main_x) 36) (= main_x main_y)), 68809#(or (<= (select main_a main_x) 39) (= main_x main_y)), 68808#(or (<= (select main_a main_x) 38) (= main_x main_y)), 68811#(or (<= (select main_a main_x) 41) (= main_x main_y)), 68810#(or (<= (select main_a main_x) 40) (= main_x main_y)), 68813#(or (= main_x main_y) (<= (select main_a main_x) 43)), 68812#(or (<= (select main_a main_x) 42) (= main_x main_y)), 68815#(or (= main_x main_y) (<= (select main_a main_x) 45)), 68814#(or (= main_x main_y) (<= (select main_a main_x) 44)), 68817#(or (<= (select main_a main_x) 47) (= main_x main_y)), 68816#(or (<= (select main_a main_x) 46) (= main_x main_y)), 68819#(or (<= (select main_a main_x) 49) (= main_x main_y)), 68818#(or (<= (select main_a main_x) 48) (= main_x main_y)), 68821#(or (<= (select main_a main_x) 51) (= main_x main_y)), 68820#(or (<= (select main_a main_x) 50) (= main_x main_y)), 68823#(or (<= (select main_a main_x) 53) (= main_x main_y)), 68822#(or (= main_x main_y) (<= (select main_a main_x) 52)), 68825#(or (<= (select main_a main_x) 55) (= main_x main_y)), 68824#(or (<= (select main_a main_x) 54) (= main_x main_y)), 68827#(or (<= (select main_a main_x) 57) (= main_x main_y)), 68826#(or (= main_x main_y) (<= (select main_a main_x) 56)), 68829#(or (= main_x main_y) (<= (select main_a main_x) 59)), 68828#(or (<= (select main_a main_x) 58) (= main_x main_y)), 68831#(or (= main_x main_y) (<= (select main_a main_x) 61)), 68830#(or (= main_x main_y) (<= (select main_a main_x) 60)), 68833#(or (<= (select main_a main_x) 63) (= main_x main_y)), 68832#(or (<= (select main_a main_x) 62) (= main_x main_y)), 68835#(or (<= (select main_a main_x) 65) (= main_x main_y)), 68834#(or (= main_x main_y) (<= (select main_a main_x) 64)), 68837#(or (<= (select main_a main_x) 67) (= main_x main_y)), 68836#(or (= main_x main_y) (<= (select main_a main_x) 66)), 68839#(or (= main_x main_y) (<= (select main_a main_x) 69)), 68838#(or (= main_x main_y) (<= (select main_a main_x) 68)), 68841#(or (<= (select main_a main_x) 71) (= main_x main_y)), 68840#(or (<= (select main_a main_x) 70) (= main_x main_y)), 68843#(or (<= (select main_a main_x) 73) (= main_x main_y)), 68842#(or (= main_x main_y) (<= (select main_a main_x) 72)), 68845#(or (= main_x main_y) (<= (select main_a main_x) 75)), 68844#(or (= main_x main_y) (<= (select main_a main_x) 74)), 68847#(or (<= (select main_a main_x) 77) (= main_x main_y)), 68846#(or (<= (select main_a main_x) 76) (= main_x main_y)), 68849#(or (<= (select main_a main_x) 79) (= main_x main_y)), 68848#(or (<= (select main_a main_x) 78) (= main_x main_y)), 68851#(or (<= (select main_a main_x) 81) (= main_x main_y)), 68850#(or (<= (select main_a main_x) 80) (= main_x main_y)), 68853#(or (= main_x main_y) (<= (select main_a main_x) 83)), 68852#(or (<= (select main_a main_x) 82) (= main_x main_y)), 68855#(or (<= (select main_a main_x) 85) (= main_x main_y)), 68854#(or (<= (select main_a main_x) 84) (= main_x main_y)), 68857#(or (<= (select main_a main_x) 87) (= main_x main_y)), 68856#(or (<= (select main_a main_x) 86) (= main_x main_y)), 68859#(or (<= (select main_a main_x) 89) (= main_x main_y)), 68858#(or (<= (select main_a main_x) 88) (= main_x main_y)), 68861#(or (= main_x main_y) (<= (select main_a main_x) 91)), 68860#(or (<= (select main_a main_x) 90) (= main_x main_y)), 68863#(or (<= (select main_a main_x) 93) (= main_x main_y)), 68862#(or (<= (select main_a main_x) 92) (= main_x main_y))] [2018-07-23 13:58:10,201 INFO L134 CoverageAnalysis]: Checked inductivity of 13041 backedges. 0 proven. 13041 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-07-23 13:58:10,201 INFO L450 AbstractCegarLoop]: Interpolant automaton has 164 states [2018-07-23 13:58:10,202 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 164 interpolants. [2018-07-23 13:58:10,203 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=13366, Invalid=13366, Unknown=0, NotChecked=0, Total=26732 [2018-07-23 13:58:10,204 INFO L87 Difference]: Start difference. First operand 165 states and 165 transitions. Second operand 164 states. [2018-07-23 13:58:10,400 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-07-23 13:58:10,400 INFO L93 Difference]: Finished difference Result 168 states and 168 transitions. [2018-07-23 13:58:10,401 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 164 states. [2018-07-23 13:58:10,401 INFO L78 Accepts]: Start accepts. Automaton has 164 states. Word has length 164 [2018-07-23 13:58:10,401 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-07-23 13:58:10,401 INFO L225 Difference]: With dead ends: 168 [2018-07-23 13:58:10,401 INFO L226 Difference]: Without dead ends: 166 [2018-07-23 13:58:10,403 INFO L575 BasicCegarLoop]: 0 DeclaredPredicates, 163 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 162 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 1.3s TimeCoverageRelationStatistics Valid=13366, Invalid=13366, Unknown=0, NotChecked=0, Total=26732 [2018-07-23 13:58:10,403 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 166 states. [2018-07-23 13:58:10,415 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 166 to 166. [2018-07-23 13:58:10,415 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 166 states. [2018-07-23 13:58:10,415 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 166 states to 166 states and 166 transitions. [2018-07-23 13:58:10,416 INFO L78 Accepts]: Start accepts. Automaton has 166 states and 166 transitions. Word has length 164 [2018-07-23 13:58:10,416 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-07-23 13:58:10,416 INFO L471 AbstractCegarLoop]: Abstraction has 166 states and 166 transitions. [2018-07-23 13:58:10,416 INFO L472 AbstractCegarLoop]: Interpolant automaton has 164 states. [2018-07-23 13:58:10,416 INFO L276 IsEmpty]: Start isEmpty. Operand 166 states and 166 transitions. [2018-07-23 13:58:10,416 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 166 [2018-07-23 13:58:10,417 INFO L349 BasicCegarLoop]: Found error trace [2018-07-23 13:58:10,417 INFO L357 BasicCegarLoop]: trace histogram [162, 1, 1, 1] [2018-07-23 13:58:10,417 INFO L414 AbstractCegarLoop]: === Iteration 163 === [mainErr0AssertViolationASSERT]=== [2018-07-23 13:58:10,417 INFO L82 PathProgramCache]: Analyzing trace with hash 2130490912, now seen corresponding path program 162 times [2018-07-23 13:58:10,417 INFO L69 tionRefinementEngine]: Using refinement strategy FixedRefinementStrategy [2018-07-23 13:58:10,715 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-07-23 13:58:12,238 INFO L134 CoverageAnalysis]: Checked inductivity of 13203 backedges. 0 proven. 13203 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-07-23 13:58:12,238 INFO L309 seRefinementStrategy]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2018-07-23 13:58:12,238 INFO L324 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [164] total 164 [2018-07-23 13:58:12,239 INFO L142 lantAutomatonBuilder]: Constructing canonical interpolant automaton, with selfloop in false state [2018-07-23 13:58:12,239 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-07-23 13:58:12,239 INFO L185 omatonBuilderFactory]: Interpolants [69633#(or (<= (select main_a main_x) 31) (= main_x main_y)), 69632#(or (= main_x main_y) (<= (select main_a main_x) 30)), 69635#(or (<= (select main_a main_x) 33) (= main_x main_y)), 69634#(or (<= (select main_a main_x) 32) (= main_x main_y)), 69637#(or (<= (select main_a main_x) 35) (= main_x main_y)), 69636#(or (<= (select main_a main_x) 34) (= main_x main_y)), 69639#(or (<= (select main_a main_x) 37) (= main_x main_y)), 69638#(or (<= (select main_a main_x) 36) (= main_x main_y)), 69641#(or (<= (select main_a main_x) 39) (= main_x main_y)), 69640#(or (<= (select main_a main_x) 38) (= main_x main_y)), 69643#(or (<= (select main_a main_x) 41) (= main_x main_y)), 69642#(or (<= (select main_a main_x) 40) (= main_x main_y)), 69645#(or (= main_x main_y) (<= (select main_a main_x) 43)), 69644#(or (<= (select main_a main_x) 42) (= main_x main_y)), 69647#(or (= main_x main_y) (<= (select main_a main_x) 45)), 69646#(or (= main_x main_y) (<= (select main_a main_x) 44)), 69649#(or (<= (select main_a main_x) 47) (= main_x main_y)), 69648#(or (<= (select main_a main_x) 46) (= main_x main_y)), 69651#(or (<= (select main_a main_x) 49) (= main_x main_y)), 69650#(or (<= (select main_a main_x) 48) (= main_x main_y)), 69653#(or (<= (select main_a main_x) 51) (= main_x main_y)), 69652#(or (<= (select main_a main_x) 50) (= main_x main_y)), 69655#(or (<= (select main_a main_x) 53) (= main_x main_y)), 69654#(or (= main_x main_y) (<= (select main_a main_x) 52)), 69657#(or (<= (select main_a main_x) 55) (= main_x main_y)), 69656#(or (<= (select main_a main_x) 54) (= main_x main_y)), 69659#(or (<= (select main_a main_x) 57) (= main_x main_y)), 69658#(or (= main_x main_y) (<= (select main_a main_x) 56)), 69661#(or (= main_x main_y) (<= (select main_a main_x) 59)), 69660#(or (<= (select main_a main_x) 58) (= main_x main_y)), 69663#(or (= main_x main_y) (<= (select main_a main_x) 61)), 69662#(or (= main_x main_y) (<= (select main_a main_x) 60)), 69665#(or (<= (select main_a main_x) 63) (= main_x main_y)), 69664#(or (<= (select main_a main_x) 62) (= main_x main_y)), 69667#(or (<= (select main_a main_x) 65) (= main_x main_y)), 69666#(or (= main_x main_y) (<= (select main_a main_x) 64)), 69669#(or (<= (select main_a main_x) 67) (= main_x main_y)), 69668#(or (= main_x main_y) (<= (select main_a main_x) 66)), 69671#(or (= main_x main_y) (<= (select main_a main_x) 69)), 69670#(or (= main_x main_y) (<= (select main_a main_x) 68)), 69673#(or (<= (select main_a main_x) 71) (= main_x main_y)), 69672#(or (<= (select main_a main_x) 70) (= main_x main_y)), 69675#(or (<= (select main_a main_x) 73) (= main_x main_y)), 69674#(or (= main_x main_y) (<= (select main_a main_x) 72)), 69677#(or (= main_x main_y) (<= (select main_a main_x) 75)), 69676#(or (= main_x main_y) (<= (select main_a main_x) 74)), 69679#(or (<= (select main_a main_x) 77) (= main_x main_y)), 69678#(or (<= (select main_a main_x) 76) (= main_x main_y)), 69681#(or (<= (select main_a main_x) 79) (= main_x main_y)), 69680#(or (<= (select main_a main_x) 78) (= main_x main_y)), 69683#(or (<= (select main_a main_x) 81) (= main_x main_y)), 69682#(or (<= (select main_a main_x) 80) (= main_x main_y)), 69685#(or (= main_x main_y) (<= (select main_a main_x) 83)), 69684#(or (<= (select main_a main_x) 82) (= main_x main_y)), 69687#(or (<= (select main_a main_x) 85) (= main_x main_y)), 69686#(or (<= (select main_a main_x) 84) (= main_x main_y)), 69689#(or (<= (select main_a main_x) 87) (= main_x main_y)), 69688#(or (<= (select main_a main_x) 86) (= main_x main_y)), 69691#(or (<= (select main_a main_x) 89) (= main_x main_y)), 69690#(or (<= (select main_a main_x) 88) (= main_x main_y)), 69693#(or (= main_x main_y) (<= (select main_a main_x) 91)), 69692#(or (<= (select main_a main_x) 90) (= main_x main_y)), 69695#(or (<= (select main_a main_x) 93) (= main_x main_y)), 69694#(or (<= (select main_a main_x) 92) (= main_x main_y)), 69697#(or (<= (select main_a main_x) 95) (= main_x main_y)), 69696#(or (= main_x main_y) (<= (select main_a main_x) 94)), 69699#(or (= main_x main_y) (<= (select main_a main_x) 97)), 69698#(or (<= (select main_a main_x) 96) (= main_x main_y)), 69701#(or (<= (select main_a main_x) 99) (= main_x main_y)), 69700#(or (<= (select main_a main_x) 98) (= main_x main_y)), 69703#(or (<= (select main_a main_x) 101) (= main_x main_y)), 69702#(or (<= (select main_a main_x) 100) (= main_x main_y)), 69705#(or (<= (select main_a main_x) 103) (= main_x main_y)), 69704#(or (= main_x main_y) (<= (select main_a main_x) 102)), 69707#(or (= main_x main_y) (<= (select main_a main_x) 105)), 69706#(or (<= (select main_a main_x) 104) (= main_x main_y)), 69709#(or (<= (select main_a main_x) 107) (= main_x main_y)), 69708#(or (= main_x main_y) (<= (select main_a main_x) 106)), 69711#(or (= main_x main_y) (<= (select main_a main_x) 109)), 69710#(or (<= (select main_a main_x) 108) (= main_x main_y)), 69713#(or (<= (select main_a main_x) 111) (= main_x main_y)), 69712#(or (= main_x main_y) (<= (select main_a main_x) 110)), 69715#(or (<= (select main_a main_x) 113) (= main_x main_y)), 69714#(or (<= (select main_a main_x) 112) (= main_x main_y)), 69717#(or (= main_x main_y) (<= (select main_a main_x) 115)), 69716#(or (= main_x main_y) (<= (select main_a main_x) 114)), 69719#(or (<= (select main_a main_x) 117) (= main_x main_y)), 69718#(or (<= (select main_a main_x) 116) (= main_x main_y)), 69721#(or (= main_x main_y) (<= (select main_a main_x) 119)), 69720#(or (= main_x main_y) (<= (select main_a main_x) 118)), 69723#(or (= main_x main_y) (<= (select main_a main_x) 121)), 69722#(or (<= (select main_a main_x) 120) (= main_x main_y)), 69725#(or (= main_x main_y) (<= (select main_a main_x) 123)), 69724#(or (<= (select main_a main_x) 122) (= main_x main_y)), 69727#(or (<= (select main_a main_x) 125) (= main_x main_y)), 69726#(or (= main_x main_y) (<= (select main_a main_x) 124)), 69729#(or (<= (select main_a main_x) 127) (= main_x main_y)), 69728#(or (= main_x main_y) (<= (select main_a main_x) 126)), 69731#(or (= main_x main_y) (<= (select main_a main_x) 129)), 69730#(or (= main_x main_y) (<= (select main_a main_x) 128)), 69733#(or (<= (select main_a main_x) 131) (= main_x main_y)), 69732#(or (= main_x main_y) (<= (select main_a main_x) 130)), 69735#(or (= main_x main_y) (<= (select main_a main_x) 133)), 69734#(or (<= (select main_a main_x) 132) (= main_x main_y)), 69737#(or (= main_x main_y) (<= (select main_a main_x) 135)), 69736#(or (= main_x main_y) (<= (select main_a main_x) 134)), 69739#(or (<= (select main_a main_x) 137) (= main_x main_y)), 69738#(or (<= (select main_a main_x) 136) (= main_x main_y)), 69741#(or (= main_x main_y) (<= (select main_a main_x) 139)), 69740#(or (= main_x main_y) (<= (select main_a main_x) 138)), 69743#(or (<= (select main_a main_x) 141) (= main_x main_y)), 69742#(or (<= (select main_a main_x) 140) (= main_x main_y)), 69745#(or (= main_x main_y) (<= (select main_a main_x) 143)), 69744#(or (= main_x main_y) (<= (select main_a main_x) 142)), 69747#(or (= main_x main_y) (<= (select main_a main_x) 145)), 69746#(or (<= (select main_a main_x) 144) (= main_x main_y)), 69749#(or (= main_x main_y) (<= (select main_a main_x) 147)), 69748#(or (<= (select main_a main_x) 146) (= main_x main_y)), 69751#(or (= main_x main_y) (<= (select main_a main_x) 149)), 69750#(or (<= (select main_a main_x) 148) (= main_x main_y)), 69753#(or (<= (select main_a main_x) 151) (= main_x main_y)), 69752#(or (= main_x main_y) (<= (select main_a main_x) 150)), 69755#(or (<= (select main_a main_x) 153) (= main_x main_y)), 69754#(or (<= (select main_a main_x) 152) (= main_x main_y)), 69757#(or (<= (select main_a main_x) 155) (= main_x main_y)), 69756#(or (<= (select main_a main_x) 154) (= main_x main_y)), 69759#(or (<= (select main_a main_x) 157) (= main_x main_y)), 69758#(or (<= (select main_a main_x) 156) (= main_x main_y)), 69761#(or (<= (select main_a main_x) 159) (= main_x main_y)), 69760#(or (<= (select main_a main_x) 158) (= main_x main_y)), 69763#(or (<= (select main_a main_x) 161) (= main_x main_y)), 69762#(or (= main_x main_y) (<= (select main_a main_x) 160)), 69764#(or (not (= (select main_a main_x) 1000)) (= main_x main_y)), 69601#false, 69600#true, 69603#(or (<= (select main_a main_x) 1) (= main_x main_y)), 69602#(or (= 0 (select main_a main_x)) (= main_x main_y)), 69605#(or (= main_x main_y) (<= (select main_a main_x) 3)), 69604#(or (= main_x main_y) (<= (select main_a main_x) 2)), 69607#(or (<= (select main_a main_x) 5) (= main_x main_y)), 69606#(or (<= (select main_a main_x) 4) (= main_x main_y)), 69609#(or (<= (select main_a main_x) 7) (= main_x main_y)), 69608#(or (<= (select main_a main_x) 6) (= main_x main_y)), 69611#(or (= main_x main_y) (<= (select main_a main_x) 9)), 69610#(or (<= (select main_a main_x) 8) (= main_x main_y)), 69613#(or (= main_x main_y) (<= (select main_a main_x) 11)), 69612#(or (= main_x main_y) (<= (select main_a main_x) 10)), 69615#(or (= main_x main_y) (<= (select main_a main_x) 13)), 69614#(or (<= (select main_a main_x) 12) (= main_x main_y)), 69617#(or (<= (select main_a main_x) 15) (= main_x main_y)), 69616#(or (<= (select main_a main_x) 14) (= main_x main_y)), 69619#(or (= main_x main_y) (<= (select main_a main_x) 17)), 69618#(or (<= (select main_a main_x) 16) (= main_x main_y)), 69621#(or (<= (select main_a main_x) 19) (= main_x main_y)), 69620#(or (<= (select main_a main_x) 18) (= main_x main_y)), 69623#(or (<= (select main_a main_x) 21) (= main_x main_y)), 69622#(or (= main_x main_y) (<= (select main_a main_x) 20)), 69625#(or (= main_x main_y) (<= (select main_a main_x) 23)), 69624#(or (= main_x main_y) (<= (select main_a main_x) 22)), 69627#(or (= main_x main_y) (<= (select main_a main_x) 25)), 69626#(or (<= (select main_a main_x) 24) (= main_x main_y)), 69629#(or (<= (select main_a main_x) 27) (= main_x main_y)), 69628#(or (<= (select main_a main_x) 26) (= main_x main_y)), 69631#(or (<= (select main_a main_x) 29) (= main_x main_y)), 69630#(or (<= (select main_a main_x) 28) (= main_x main_y))] [2018-07-23 13:58:12,240 INFO L134 CoverageAnalysis]: Checked inductivity of 13203 backedges. 0 proven. 13203 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-07-23 13:58:12,240 INFO L450 AbstractCegarLoop]: Interpolant automaton has 165 states [2018-07-23 13:58:12,242 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 165 interpolants. [2018-07-23 13:58:12,243 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=13530, Invalid=13530, Unknown=0, NotChecked=0, Total=27060 [2018-07-23 13:58:12,243 INFO L87 Difference]: Start difference. First operand 166 states and 166 transitions. Second operand 165 states. [2018-07-23 13:58:12,766 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-07-23 13:58:12,766 INFO L93 Difference]: Finished difference Result 169 states and 169 transitions. [2018-07-23 13:58:12,767 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 165 states. [2018-07-23 13:58:12,767 INFO L78 Accepts]: Start accepts. Automaton has 165 states. Word has length 165 [2018-07-23 13:58:12,767 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-07-23 13:58:12,767 INFO L225 Difference]: With dead ends: 169 [2018-07-23 13:58:12,767 INFO L226 Difference]: Without dead ends: 167 [2018-07-23 13:58:12,769 INFO L575 BasicCegarLoop]: 0 DeclaredPredicates, 164 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 163 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 1.3s TimeCoverageRelationStatistics Valid=13530, Invalid=13530, Unknown=0, NotChecked=0, Total=27060 [2018-07-23 13:58:12,769 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 167 states. [2018-07-23 13:58:12,777 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 167 to 167. [2018-07-23 13:58:12,777 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 167 states. [2018-07-23 13:58:12,777 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 167 states to 167 states and 167 transitions. [2018-07-23 13:58:12,777 INFO L78 Accepts]: Start accepts. Automaton has 167 states and 167 transitions. Word has length 165 [2018-07-23 13:58:12,778 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-07-23 13:58:12,778 INFO L471 AbstractCegarLoop]: Abstraction has 167 states and 167 transitions. [2018-07-23 13:58:12,778 INFO L472 AbstractCegarLoop]: Interpolant automaton has 165 states. [2018-07-23 13:58:12,778 INFO L276 IsEmpty]: Start isEmpty. Operand 167 states and 167 transitions. [2018-07-23 13:58:12,778 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 167 [2018-07-23 13:58:12,778 INFO L349 BasicCegarLoop]: Found error trace [2018-07-23 13:58:12,778 INFO L357 BasicCegarLoop]: trace histogram [163, 1, 1, 1] [2018-07-23 13:58:12,778 INFO L414 AbstractCegarLoop]: === Iteration 164 === [mainErr0AssertViolationASSERT]=== [2018-07-23 13:58:12,778 INFO L82 PathProgramCache]: Analyzing trace with hash 1620704966, now seen corresponding path program 163 times [2018-07-23 13:58:12,779 INFO L69 tionRefinementEngine]: Using refinement strategy FixedRefinementStrategy [2018-07-23 13:58:12,997 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-07-23 13:58:14,540 INFO L134 CoverageAnalysis]: Checked inductivity of 13366 backedges. 0 proven. 13366 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-07-23 13:58:14,540 INFO L309 seRefinementStrategy]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2018-07-23 13:58:14,540 INFO L324 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [165] total 165 [2018-07-23 13:58:14,540 INFO L142 lantAutomatonBuilder]: Constructing canonical interpolant automaton, with selfloop in false state [2018-07-23 13:58:14,540 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-07-23 13:58:14,541 INFO L185 omatonBuilderFactory]: Interpolants [70437#true, 70439#(or (= 0 (select main_a main_x)) (= main_x main_y)), 70438#false, 70441#(or (= main_x main_y) (<= (select main_a main_x) 2)), 70440#(or (<= (select main_a main_x) 1) (= main_x main_y)), 70443#(or (<= (select main_a main_x) 4) (= main_x main_y)), 70442#(or (= main_x main_y) (<= (select main_a main_x) 3)), 70445#(or (<= (select main_a main_x) 6) (= main_x main_y)), 70444#(or (<= (select main_a main_x) 5) (= main_x main_y)), 70447#(or (<= (select main_a main_x) 8) (= main_x main_y)), 70446#(or (<= (select main_a main_x) 7) (= main_x main_y)), 70449#(or (= main_x main_y) (<= (select main_a main_x) 10)), 70448#(or (= main_x main_y) (<= (select main_a main_x) 9)), 70451#(or (<= (select main_a main_x) 12) (= main_x main_y)), 70450#(or (= main_x main_y) (<= (select main_a main_x) 11)), 70453#(or (<= (select main_a main_x) 14) (= main_x main_y)), 70452#(or (= main_x main_y) (<= (select main_a main_x) 13)), 70455#(or (<= (select main_a main_x) 16) (= main_x main_y)), 70454#(or (<= (select main_a main_x) 15) (= main_x main_y)), 70457#(or (<= (select main_a main_x) 18) (= main_x main_y)), 70456#(or (= main_x main_y) (<= (select main_a main_x) 17)), 70459#(or (= main_x main_y) (<= (select main_a main_x) 20)), 70458#(or (<= (select main_a main_x) 19) (= main_x main_y)), 70461#(or (= main_x main_y) (<= (select main_a main_x) 22)), 70460#(or (<= (select main_a main_x) 21) (= main_x main_y)), 70463#(or (<= (select main_a main_x) 24) (= main_x main_y)), 70462#(or (= main_x main_y) (<= (select main_a main_x) 23)), 70465#(or (<= (select main_a main_x) 26) (= main_x main_y)), 70464#(or (= main_x main_y) (<= (select main_a main_x) 25)), 70467#(or (<= (select main_a main_x) 28) (= main_x main_y)), 70466#(or (<= (select main_a main_x) 27) (= main_x main_y)), 70469#(or (= main_x main_y) (<= (select main_a main_x) 30)), 70468#(or (<= (select main_a main_x) 29) (= main_x main_y)), 70471#(or (<= (select main_a main_x) 32) (= main_x main_y)), 70470#(or (<= (select main_a main_x) 31) (= main_x main_y)), 70473#(or (<= (select main_a main_x) 34) (= main_x main_y)), 70472#(or (<= (select main_a main_x) 33) (= main_x main_y)), 70475#(or (<= (select main_a main_x) 36) (= main_x main_y)), 70474#(or (<= (select main_a main_x) 35) (= main_x main_y)), 70477#(or (<= (select main_a main_x) 38) (= main_x main_y)), 70476#(or (<= (select main_a main_x) 37) (= main_x main_y)), 70479#(or (<= (select main_a main_x) 40) (= main_x main_y)), 70478#(or (<= (select main_a main_x) 39) (= main_x main_y)), 70481#(or (<= (select main_a main_x) 42) (= main_x main_y)), 70480#(or (<= (select main_a main_x) 41) (= main_x main_y)), 70483#(or (= main_x main_y) (<= (select main_a main_x) 44)), 70482#(or (= main_x main_y) (<= (select main_a main_x) 43)), 70485#(or (<= (select main_a main_x) 46) (= main_x main_y)), 70484#(or (= main_x main_y) (<= (select main_a main_x) 45)), 70487#(or (<= (select main_a main_x) 48) (= main_x main_y)), 70486#(or (<= (select main_a main_x) 47) (= main_x main_y)), 70489#(or (<= (select main_a main_x) 50) (= main_x main_y)), 70488#(or (<= (select main_a main_x) 49) (= main_x main_y)), 70491#(or (= main_x main_y) (<= (select main_a main_x) 52)), 70490#(or (<= (select main_a main_x) 51) (= main_x main_y)), 70493#(or (<= (select main_a main_x) 54) (= main_x main_y)), 70492#(or (<= (select main_a main_x) 53) (= main_x main_y)), 70495#(or (= main_x main_y) (<= (select main_a main_x) 56)), 70494#(or (<= (select main_a main_x) 55) (= main_x main_y)), 70497#(or (<= (select main_a main_x) 58) (= main_x main_y)), 70496#(or (<= (select main_a main_x) 57) (= main_x main_y)), 70499#(or (= main_x main_y) (<= (select main_a main_x) 60)), 70498#(or (= main_x main_y) (<= (select main_a main_x) 59)), 70501#(or (<= (select main_a main_x) 62) (= main_x main_y)), 70500#(or (= main_x main_y) (<= (select main_a main_x) 61)), 70503#(or (= main_x main_y) (<= (select main_a main_x) 64)), 70502#(or (<= (select main_a main_x) 63) (= main_x main_y)), 70505#(or (= main_x main_y) (<= (select main_a main_x) 66)), 70504#(or (<= (select main_a main_x) 65) (= main_x main_y)), 70507#(or (= main_x main_y) (<= (select main_a main_x) 68)), 70506#(or (<= (select main_a main_x) 67) (= main_x main_y)), 70509#(or (<= (select main_a main_x) 70) (= main_x main_y)), 70508#(or (= main_x main_y) (<= (select main_a main_x) 69)), 70511#(or (= main_x main_y) (<= (select main_a main_x) 72)), 70510#(or (<= (select main_a main_x) 71) (= main_x main_y)), 70513#(or (= main_x main_y) (<= (select main_a main_x) 74)), 70512#(or (<= (select main_a main_x) 73) (= main_x main_y)), 70515#(or (<= (select main_a main_x) 76) (= main_x main_y)), 70514#(or (= main_x main_y) (<= (select main_a main_x) 75)), 70517#(or (<= (select main_a main_x) 78) (= main_x main_y)), 70516#(or (<= (select main_a main_x) 77) (= main_x main_y)), 70519#(or (<= (select main_a main_x) 80) (= main_x main_y)), 70518#(or (<= (select main_a main_x) 79) (= main_x main_y)), 70521#(or (<= (select main_a main_x) 82) (= main_x main_y)), 70520#(or (<= (select main_a main_x) 81) (= main_x main_y)), 70523#(or (<= (select main_a main_x) 84) (= main_x main_y)), 70522#(or (= main_x main_y) (<= (select main_a main_x) 83)), 70525#(or (<= (select main_a main_x) 86) (= main_x main_y)), 70524#(or (<= (select main_a main_x) 85) (= main_x main_y)), 70527#(or (<= (select main_a main_x) 88) (= main_x main_y)), 70526#(or (<= (select main_a main_x) 87) (= main_x main_y)), 70529#(or (<= (select main_a main_x) 90) (= main_x main_y)), 70528#(or (<= (select main_a main_x) 89) (= main_x main_y)), 70531#(or (<= (select main_a main_x) 92) (= main_x main_y)), 70530#(or (= main_x main_y) (<= (select main_a main_x) 91)), 70533#(or (= main_x main_y) (<= (select main_a main_x) 94)), 70532#(or (<= (select main_a main_x) 93) (= main_x main_y)), 70535#(or (<= (select main_a main_x) 96) (= main_x main_y)), 70534#(or (<= (select main_a main_x) 95) (= main_x main_y)), 70537#(or (<= (select main_a main_x) 98) (= main_x main_y)), 70536#(or (= main_x main_y) (<= (select main_a main_x) 97)), 70539#(or (<= (select main_a main_x) 100) (= main_x main_y)), 70538#(or (<= (select main_a main_x) 99) (= main_x main_y)), 70541#(or (= main_x main_y) (<= (select main_a main_x) 102)), 70540#(or (<= (select main_a main_x) 101) (= main_x main_y)), 70543#(or (<= (select main_a main_x) 104) (= main_x main_y)), 70542#(or (<= (select main_a main_x) 103) (= main_x main_y)), 70545#(or (= main_x main_y) (<= (select main_a main_x) 106)), 70544#(or (= main_x main_y) (<= (select main_a main_x) 105)), 70547#(or (<= (select main_a main_x) 108) (= main_x main_y)), 70546#(or (<= (select main_a main_x) 107) (= main_x main_y)), 70549#(or (= main_x main_y) (<= (select main_a main_x) 110)), 70548#(or (= main_x main_y) (<= (select main_a main_x) 109)), 70551#(or (<= (select main_a main_x) 112) (= main_x main_y)), 70550#(or (<= (select main_a main_x) 111) (= main_x main_y)), 70553#(or (= main_x main_y) (<= (select main_a main_x) 114)), 70552#(or (<= (select main_a main_x) 113) (= main_x main_y)), 70555#(or (<= (select main_a main_x) 116) (= main_x main_y)), 70554#(or (= main_x main_y) (<= (select main_a main_x) 115)), 70557#(or (= main_x main_y) (<= (select main_a main_x) 118)), 70556#(or (<= (select main_a main_x) 117) (= main_x main_y)), 70559#(or (<= (select main_a main_x) 120) (= main_x main_y)), 70558#(or (= main_x main_y) (<= (select main_a main_x) 119)), 70561#(or (<= (select main_a main_x) 122) (= main_x main_y)), 70560#(or (= main_x main_y) (<= (select main_a main_x) 121)), 70563#(or (= main_x main_y) (<= (select main_a main_x) 124)), 70562#(or (= main_x main_y) (<= (select main_a main_x) 123)), 70565#(or (= main_x main_y) (<= (select main_a main_x) 126)), 70564#(or (<= (select main_a main_x) 125) (= main_x main_y)), 70567#(or (= main_x main_y) (<= (select main_a main_x) 128)), 70566#(or (<= (select main_a main_x) 127) (= main_x main_y)), 70569#(or (= main_x main_y) (<= (select main_a main_x) 130)), 70568#(or (= main_x main_y) (<= (select main_a main_x) 129)), 70571#(or (<= (select main_a main_x) 132) (= main_x main_y)), 70570#(or (<= (select main_a main_x) 131) (= main_x main_y)), 70573#(or (= main_x main_y) (<= (select main_a main_x) 134)), 70572#(or (= main_x main_y) (<= (select main_a main_x) 133)), 70575#(or (<= (select main_a main_x) 136) (= main_x main_y)), 70574#(or (= main_x main_y) (<= (select main_a main_x) 135)), 70577#(or (= main_x main_y) (<= (select main_a main_x) 138)), 70576#(or (<= (select main_a main_x) 137) (= main_x main_y)), 70579#(or (<= (select main_a main_x) 140) (= main_x main_y)), 70578#(or (= main_x main_y) (<= (select main_a main_x) 139)), 70581#(or (= main_x main_y) (<= (select main_a main_x) 142)), 70580#(or (<= (select main_a main_x) 141) (= main_x main_y)), 70583#(or (<= (select main_a main_x) 144) (= main_x main_y)), 70582#(or (= main_x main_y) (<= (select main_a main_x) 143)), 70585#(or (<= (select main_a main_x) 146) (= main_x main_y)), 70584#(or (= main_x main_y) (<= (select main_a main_x) 145)), 70587#(or (<= (select main_a main_x) 148) (= main_x main_y)), 70586#(or (= main_x main_y) (<= (select main_a main_x) 147)), 70589#(or (= main_x main_y) (<= (select main_a main_x) 150)), 70588#(or (= main_x main_y) (<= (select main_a main_x) 149)), 70591#(or (<= (select main_a main_x) 152) (= main_x main_y)), 70590#(or (<= (select main_a main_x) 151) (= main_x main_y)), 70593#(or (<= (select main_a main_x) 154) (= main_x main_y)), 70592#(or (<= (select main_a main_x) 153) (= main_x main_y)), 70595#(or (<= (select main_a main_x) 156) (= main_x main_y)), 70594#(or (<= (select main_a main_x) 155) (= main_x main_y)), 70597#(or (<= (select main_a main_x) 158) (= main_x main_y)), 70596#(or (<= (select main_a main_x) 157) (= main_x main_y)), 70599#(or (= main_x main_y) (<= (select main_a main_x) 160)), 70598#(or (<= (select main_a main_x) 159) (= main_x main_y)), 70601#(or (= main_x main_y) (<= (select main_a main_x) 162)), 70600#(or (<= (select main_a main_x) 161) (= main_x main_y)), 70602#(or (not (= (select main_a main_x) 1000)) (= main_x main_y))] [2018-07-23 13:58:14,541 INFO L134 CoverageAnalysis]: Checked inductivity of 13366 backedges. 0 proven. 13366 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-07-23 13:58:14,542 INFO L450 AbstractCegarLoop]: Interpolant automaton has 166 states [2018-07-23 13:58:14,543 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 166 interpolants. [2018-07-23 13:58:14,544 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=13695, Invalid=13695, Unknown=0, NotChecked=0, Total=27390 [2018-07-23 13:58:14,544 INFO L87 Difference]: Start difference. First operand 167 states and 167 transitions. Second operand 166 states. [2018-07-23 13:58:15,184 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-07-23 13:58:15,185 INFO L93 Difference]: Finished difference Result 170 states and 170 transitions. [2018-07-23 13:58:15,185 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 166 states. [2018-07-23 13:58:15,185 INFO L78 Accepts]: Start accepts. Automaton has 166 states. Word has length 166 [2018-07-23 13:58:15,185 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-07-23 13:58:15,185 INFO L225 Difference]: With dead ends: 170 [2018-07-23 13:58:15,185 INFO L226 Difference]: Without dead ends: 168 [2018-07-23 13:58:15,187 INFO L575 BasicCegarLoop]: 0 DeclaredPredicates, 165 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 164 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 1.3s TimeCoverageRelationStatistics Valid=13695, Invalid=13695, Unknown=0, NotChecked=0, Total=27390 [2018-07-23 13:58:15,187 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 168 states. [2018-07-23 13:58:15,195 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 168 to 168. [2018-07-23 13:58:15,195 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 168 states. [2018-07-23 13:58:15,195 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 168 states to 168 states and 168 transitions. [2018-07-23 13:58:15,195 INFO L78 Accepts]: Start accepts. Automaton has 168 states and 168 transitions. Word has length 166 [2018-07-23 13:58:15,195 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-07-23 13:58:15,195 INFO L471 AbstractCegarLoop]: Abstraction has 168 states and 168 transitions. [2018-07-23 13:58:15,195 INFO L472 AbstractCegarLoop]: Interpolant automaton has 166 states. [2018-07-23 13:58:15,195 INFO L276 IsEmpty]: Start isEmpty. Operand 168 states and 168 transitions. [2018-07-23 13:58:15,196 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 168 [2018-07-23 13:58:15,196 INFO L349 BasicCegarLoop]: Found error trace [2018-07-23 13:58:15,196 INFO L357 BasicCegarLoop]: trace histogram [164, 1, 1, 1] [2018-07-23 13:58:15,196 INFO L414 AbstractCegarLoop]: === Iteration 165 === [mainErr0AssertViolationASSERT]=== [2018-07-23 13:58:15,196 INFO L82 PathProgramCache]: Analyzing trace with hash -1297757472, now seen corresponding path program 164 times [2018-07-23 13:58:15,196 INFO L69 tionRefinementEngine]: Using refinement strategy FixedRefinementStrategy [2018-07-23 13:58:15,418 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-07-23 13:58:16,950 INFO L134 CoverageAnalysis]: Checked inductivity of 13530 backedges. 0 proven. 13530 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-07-23 13:58:16,950 INFO L309 seRefinementStrategy]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2018-07-23 13:58:16,950 INFO L324 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [166] total 166 [2018-07-23 13:58:16,950 INFO L142 lantAutomatonBuilder]: Constructing canonical interpolant automaton, with selfloop in false state [2018-07-23 13:58:16,951 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-07-23 13:58:16,951 INFO L185 omatonBuilderFactory]: Interpolants [71425#(or (<= (select main_a main_x) 144) (= main_x main_y)), 71424#(or (= main_x main_y) (<= (select main_a main_x) 143)), 71427#(or (<= (select main_a main_x) 146) (= main_x main_y)), 71426#(or (= main_x main_y) (<= (select main_a main_x) 145)), 71429#(or (<= (select main_a main_x) 148) (= main_x main_y)), 71428#(or (= main_x main_y) (<= (select main_a main_x) 147)), 71431#(or (= main_x main_y) (<= (select main_a main_x) 150)), 71430#(or (= main_x main_y) (<= (select main_a main_x) 149)), 71433#(or (<= (select main_a main_x) 152) (= main_x main_y)), 71432#(or (<= (select main_a main_x) 151) (= main_x main_y)), 71435#(or (<= (select main_a main_x) 154) (= main_x main_y)), 71434#(or (<= (select main_a main_x) 153) (= main_x main_y)), 71437#(or (<= (select main_a main_x) 156) (= main_x main_y)), 71436#(or (<= (select main_a main_x) 155) (= main_x main_y)), 71439#(or (<= (select main_a main_x) 158) (= main_x main_y)), 71438#(or (<= (select main_a main_x) 157) (= main_x main_y)), 71441#(or (= main_x main_y) (<= (select main_a main_x) 160)), 71440#(or (<= (select main_a main_x) 159) (= main_x main_y)), 71443#(or (= main_x main_y) (<= (select main_a main_x) 162)), 71442#(or (<= (select main_a main_x) 161) (= main_x main_y)), 71445#(or (not (= (select main_a main_x) 1000)) (= main_x main_y)), 71444#(or (<= (select main_a main_x) 163) (= main_x main_y)), 71279#true, 71281#(or (= 0 (select main_a main_x)) (= main_x main_y)), 71280#false, 71283#(or (= main_x main_y) (<= (select main_a main_x) 2)), 71282#(or (<= (select main_a main_x) 1) (= main_x main_y)), 71285#(or (<= (select main_a main_x) 4) (= main_x main_y)), 71284#(or (= main_x main_y) (<= (select main_a main_x) 3)), 71287#(or (<= (select main_a main_x) 6) (= main_x main_y)), 71286#(or (<= (select main_a main_x) 5) (= main_x main_y)), 71289#(or (<= (select main_a main_x) 8) (= main_x main_y)), 71288#(or (<= (select main_a main_x) 7) (= main_x main_y)), 71291#(or (= main_x main_y) (<= (select main_a main_x) 10)), 71290#(or (= main_x main_y) (<= (select main_a main_x) 9)), 71293#(or (<= (select main_a main_x) 12) (= main_x main_y)), 71292#(or (= main_x main_y) (<= (select main_a main_x) 11)), 71295#(or (<= (select main_a main_x) 14) (= main_x main_y)), 71294#(or (= main_x main_y) (<= (select main_a main_x) 13)), 71297#(or (<= (select main_a main_x) 16) (= main_x main_y)), 71296#(or (<= (select main_a main_x) 15) (= main_x main_y)), 71299#(or (<= (select main_a main_x) 18) (= main_x main_y)), 71298#(or (= main_x main_y) (<= (select main_a main_x) 17)), 71301#(or (= main_x main_y) (<= (select main_a main_x) 20)), 71300#(or (<= (select main_a main_x) 19) (= main_x main_y)), 71303#(or (= main_x main_y) (<= (select main_a main_x) 22)), 71302#(or (<= (select main_a main_x) 21) (= main_x main_y)), 71305#(or (<= (select main_a main_x) 24) (= main_x main_y)), 71304#(or (= main_x main_y) (<= (select main_a main_x) 23)), 71307#(or (<= (select main_a main_x) 26) (= main_x main_y)), 71306#(or (= main_x main_y) (<= (select main_a main_x) 25)), 71309#(or (<= (select main_a main_x) 28) (= main_x main_y)), 71308#(or (<= (select main_a main_x) 27) (= main_x main_y)), 71311#(or (= main_x main_y) (<= (select main_a main_x) 30)), 71310#(or (<= (select main_a main_x) 29) (= main_x main_y)), 71313#(or (<= (select main_a main_x) 32) (= main_x main_y)), 71312#(or (<= (select main_a main_x) 31) (= main_x main_y)), 71315#(or (<= (select main_a main_x) 34) (= main_x main_y)), 71314#(or (<= (select main_a main_x) 33) (= main_x main_y)), 71317#(or (<= (select main_a main_x) 36) (= main_x main_y)), 71316#(or (<= (select main_a main_x) 35) (= main_x main_y)), 71319#(or (<= (select main_a main_x) 38) (= main_x main_y)), 71318#(or (<= (select main_a main_x) 37) (= main_x main_y)), 71321#(or (<= (select main_a main_x) 40) (= main_x main_y)), 71320#(or (<= (select main_a main_x) 39) (= main_x main_y)), 71323#(or (<= (select main_a main_x) 42) (= main_x main_y)), 71322#(or (<= (select main_a main_x) 41) (= main_x main_y)), 71325#(or (= main_x main_y) (<= (select main_a main_x) 44)), 71324#(or (= main_x main_y) (<= (select main_a main_x) 43)), 71327#(or (<= (select main_a main_x) 46) (= main_x main_y)), 71326#(or (= main_x main_y) (<= (select main_a main_x) 45)), 71329#(or (<= (select main_a main_x) 48) (= main_x main_y)), 71328#(or (<= (select main_a main_x) 47) (= main_x main_y)), 71331#(or (<= (select main_a main_x) 50) (= main_x main_y)), 71330#(or (<= (select main_a main_x) 49) (= main_x main_y)), 71333#(or (= main_x main_y) (<= (select main_a main_x) 52)), 71332#(or (<= (select main_a main_x) 51) (= main_x main_y)), 71335#(or (<= (select main_a main_x) 54) (= main_x main_y)), 71334#(or (<= (select main_a main_x) 53) (= main_x main_y)), 71337#(or (= main_x main_y) (<= (select main_a main_x) 56)), 71336#(or (<= (select main_a main_x) 55) (= main_x main_y)), 71339#(or (<= (select main_a main_x) 58) (= main_x main_y)), 71338#(or (<= (select main_a main_x) 57) (= main_x main_y)), 71341#(or (= main_x main_y) (<= (select main_a main_x) 60)), 71340#(or (= main_x main_y) (<= (select main_a main_x) 59)), 71343#(or (<= (select main_a main_x) 62) (= main_x main_y)), 71342#(or (= main_x main_y) (<= (select main_a main_x) 61)), 71345#(or (= main_x main_y) (<= (select main_a main_x) 64)), 71344#(or (<= (select main_a main_x) 63) (= main_x main_y)), 71347#(or (= main_x main_y) (<= (select main_a main_x) 66)), 71346#(or (<= (select main_a main_x) 65) (= main_x main_y)), 71349#(or (= main_x main_y) (<= (select main_a main_x) 68)), 71348#(or (<= (select main_a main_x) 67) (= main_x main_y)), 71351#(or (<= (select main_a main_x) 70) (= main_x main_y)), 71350#(or (= main_x main_y) (<= (select main_a main_x) 69)), 71353#(or (= main_x main_y) (<= (select main_a main_x) 72)), 71352#(or (<= (select main_a main_x) 71) (= main_x main_y)), 71355#(or (= main_x main_y) (<= (select main_a main_x) 74)), 71354#(or (<= (select main_a main_x) 73) (= main_x main_y)), 71357#(or (<= (select main_a main_x) 76) (= main_x main_y)), 71356#(or (= main_x main_y) (<= (select main_a main_x) 75)), 71359#(or (<= (select main_a main_x) 78) (= main_x main_y)), 71358#(or (<= (select main_a main_x) 77) (= main_x main_y)), 71361#(or (<= (select main_a main_x) 80) (= main_x main_y)), 71360#(or (<= (select main_a main_x) 79) (= main_x main_y)), 71363#(or (<= (select main_a main_x) 82) (= main_x main_y)), 71362#(or (<= (select main_a main_x) 81) (= main_x main_y)), 71365#(or (<= (select main_a main_x) 84) (= main_x main_y)), 71364#(or (= main_x main_y) (<= (select main_a main_x) 83)), 71367#(or (<= (select main_a main_x) 86) (= main_x main_y)), 71366#(or (<= (select main_a main_x) 85) (= main_x main_y)), 71369#(or (<= (select main_a main_x) 88) (= main_x main_y)), 71368#(or (<= (select main_a main_x) 87) (= main_x main_y)), 71371#(or (<= (select main_a main_x) 90) (= main_x main_y)), 71370#(or (<= (select main_a main_x) 89) (= main_x main_y)), 71373#(or (<= (select main_a main_x) 92) (= main_x main_y)), 71372#(or (= main_x main_y) (<= (select main_a main_x) 91)), 71375#(or (= main_x main_y) (<= (select main_a main_x) 94)), 71374#(or (<= (select main_a main_x) 93) (= main_x main_y)), 71377#(or (<= (select main_a main_x) 96) (= main_x main_y)), 71376#(or (<= (select main_a main_x) 95) (= main_x main_y)), 71379#(or (<= (select main_a main_x) 98) (= main_x main_y)), 71378#(or (= main_x main_y) (<= (select main_a main_x) 97)), 71381#(or (<= (select main_a main_x) 100) (= main_x main_y)), 71380#(or (<= (select main_a main_x) 99) (= main_x main_y)), 71383#(or (= main_x main_y) (<= (select main_a main_x) 102)), 71382#(or (<= (select main_a main_x) 101) (= main_x main_y)), 71385#(or (<= (select main_a main_x) 104) (= main_x main_y)), 71384#(or (<= (select main_a main_x) 103) (= main_x main_y)), 71387#(or (= main_x main_y) (<= (select main_a main_x) 106)), 71386#(or (= main_x main_y) (<= (select main_a main_x) 105)), 71389#(or (<= (select main_a main_x) 108) (= main_x main_y)), 71388#(or (<= (select main_a main_x) 107) (= main_x main_y)), 71391#(or (= main_x main_y) (<= (select main_a main_x) 110)), 71390#(or (= main_x main_y) (<= (select main_a main_x) 109)), 71393#(or (<= (select main_a main_x) 112) (= main_x main_y)), 71392#(or (<= (select main_a main_x) 111) (= main_x main_y)), 71395#(or (= main_x main_y) (<= (select main_a main_x) 114)), 71394#(or (<= (select main_a main_x) 113) (= main_x main_y)), 71397#(or (<= (select main_a main_x) 116) (= main_x main_y)), 71396#(or (= main_x main_y) (<= (select main_a main_x) 115)), 71399#(or (= main_x main_y) (<= (select main_a main_x) 118)), 71398#(or (<= (select main_a main_x) 117) (= main_x main_y)), 71401#(or (<= (select main_a main_x) 120) (= main_x main_y)), 71400#(or (= main_x main_y) (<= (select main_a main_x) 119)), 71403#(or (<= (select main_a main_x) 122) (= main_x main_y)), 71402#(or (= main_x main_y) (<= (select main_a main_x) 121)), 71405#(or (= main_x main_y) (<= (select main_a main_x) 124)), 71404#(or (= main_x main_y) (<= (select main_a main_x) 123)), 71407#(or (= main_x main_y) (<= (select main_a main_x) 126)), 71406#(or (<= (select main_a main_x) 125) (= main_x main_y)), 71409#(or (= main_x main_y) (<= (select main_a main_x) 128)), 71408#(or (<= (select main_a main_x) 127) (= main_x main_y)), 71411#(or (= main_x main_y) (<= (select main_a main_x) 130)), 71410#(or (= main_x main_y) (<= (select main_a main_x) 129)), 71413#(or (<= (select main_a main_x) 132) (= main_x main_y)), 71412#(or (<= (select main_a main_x) 131) (= main_x main_y)), 71415#(or (= main_x main_y) (<= (select main_a main_x) 134)), 71414#(or (= main_x main_y) (<= (select main_a main_x) 133)), 71417#(or (<= (select main_a main_x) 136) (= main_x main_y)), 71416#(or (= main_x main_y) (<= (select main_a main_x) 135)), 71419#(or (= main_x main_y) (<= (select main_a main_x) 138)), 71418#(or (<= (select main_a main_x) 137) (= main_x main_y)), 71421#(or (<= (select main_a main_x) 140) (= main_x main_y)), 71420#(or (= main_x main_y) (<= (select main_a main_x) 139)), 71423#(or (= main_x main_y) (<= (select main_a main_x) 142)), 71422#(or (<= (select main_a main_x) 141) (= main_x main_y))] [2018-07-23 13:58:16,952 INFO L134 CoverageAnalysis]: Checked inductivity of 13530 backedges. 0 proven. 13530 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-07-23 13:58:16,952 INFO L450 AbstractCegarLoop]: Interpolant automaton has 167 states [2018-07-23 13:58:16,954 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 167 interpolants. [2018-07-23 13:58:16,955 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=13861, Invalid=13861, Unknown=0, NotChecked=0, Total=27722 [2018-07-23 13:58:16,955 INFO L87 Difference]: Start difference. First operand 168 states and 168 transitions. Second operand 167 states. [2018-07-23 13:58:17,403 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-07-23 13:58:17,403 INFO L93 Difference]: Finished difference Result 171 states and 171 transitions. [2018-07-23 13:58:17,403 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 167 states. [2018-07-23 13:58:17,403 INFO L78 Accepts]: Start accepts. Automaton has 167 states. Word has length 167 [2018-07-23 13:58:17,403 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-07-23 13:58:17,404 INFO L225 Difference]: With dead ends: 171 [2018-07-23 13:58:17,404 INFO L226 Difference]: Without dead ends: 169 [2018-07-23 13:58:17,406 INFO L575 BasicCegarLoop]: 0 DeclaredPredicates, 166 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 165 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 1.3s TimeCoverageRelationStatistics Valid=13861, Invalid=13861, Unknown=0, NotChecked=0, Total=27722 [2018-07-23 13:58:17,406 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 169 states. [2018-07-23 13:58:17,414 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 169 to 169. [2018-07-23 13:58:17,414 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 169 states. [2018-07-23 13:58:17,414 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 169 states to 169 states and 169 transitions. [2018-07-23 13:58:17,414 INFO L78 Accepts]: Start accepts. Automaton has 169 states and 169 transitions. Word has length 167 [2018-07-23 13:58:17,414 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-07-23 13:58:17,415 INFO L471 AbstractCegarLoop]: Abstraction has 169 states and 169 transitions. [2018-07-23 13:58:17,415 INFO L472 AbstractCegarLoop]: Interpolant automaton has 167 states. [2018-07-23 13:58:17,415 INFO L276 IsEmpty]: Start isEmpty. Operand 169 states and 169 transitions. [2018-07-23 13:58:17,415 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 169 [2018-07-23 13:58:17,415 INFO L349 BasicCegarLoop]: Found error trace [2018-07-23 13:58:17,415 INFO L357 BasicCegarLoop]: trace histogram [165, 1, 1, 1] [2018-07-23 13:58:17,415 INFO L414 AbstractCegarLoop]: === Iteration 166 === [mainErr0AssertViolationASSERT]=== [2018-07-23 13:58:17,415 INFO L82 PathProgramCache]: Analyzing trace with hash -1575779834, now seen corresponding path program 165 times [2018-07-23 13:58:17,415 INFO L69 tionRefinementEngine]: Using refinement strategy FixedRefinementStrategy [2018-07-23 13:58:17,640 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-07-23 13:58:19,206 INFO L134 CoverageAnalysis]: Checked inductivity of 13695 backedges. 0 proven. 13695 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-07-23 13:58:19,207 INFO L309 seRefinementStrategy]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2018-07-23 13:58:19,207 INFO L324 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [167] total 167 [2018-07-23 13:58:19,207 INFO L142 lantAutomatonBuilder]: Constructing canonical interpolant automaton, with selfloop in false state [2018-07-23 13:58:19,207 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 13:58:19,207 INFO L185 omatonBuilderFactory]: Interpolants [72193#(or (<= (select main_a main_x) 65) (= main_x main_y)), 72192#(or (= main_x main_y) (<= (select main_a main_x) 64)), 72195#(or (<= (select main_a main_x) 67) (= main_x main_y)), 72194#(or (= main_x main_y) (<= (select main_a main_x) 66)), 72197#(or (= main_x main_y) (<= (select main_a main_x) 69)), 72196#(or (= main_x main_y) (<= (select main_a main_x) 68)), 72199#(or (<= (select main_a main_x) 71) (= main_x main_y)), 72198#(or (<= (select main_a main_x) 70) (= main_x main_y)), 72201#(or (<= (select main_a main_x) 73) (= main_x main_y)), 72200#(or (= main_x main_y) (<= (select main_a main_x) 72)), 72203#(or (= main_x main_y) (<= (select main_a main_x) 75)), 72202#(or (= main_x main_y) (<= (select main_a main_x) 74)), 72205#(or (<= (select main_a main_x) 77) (= main_x main_y)), 72204#(or (<= (select main_a main_x) 76) (= main_x main_y)), 72207#(or (<= (select main_a main_x) 79) (= main_x main_y)), 72206#(or (<= (select main_a main_x) 78) (= main_x main_y)), 72209#(or (<= (select main_a main_x) 81) (= main_x main_y)), 72208#(or (<= (select main_a main_x) 80) (= main_x main_y)), 72211#(or (= main_x main_y) (<= (select main_a main_x) 83)), 72210#(or (<= (select main_a main_x) 82) (= main_x main_y)), 72213#(or (<= (select main_a main_x) 85) (= main_x main_y)), 72212#(or (<= (select main_a main_x) 84) (= main_x main_y)), 72215#(or (<= (select main_a main_x) 87) (= main_x main_y)), 72214#(or (<= (select main_a main_x) 86) (= main_x main_y)), 72217#(or (<= (select main_a main_x) 89) (= main_x main_y)), 72216#(or (<= (select main_a main_x) 88) (= main_x main_y)), 72219#(or (= main_x main_y) (<= (select main_a main_x) 91)), 72218#(or (<= (select main_a main_x) 90) (= main_x main_y)), 72221#(or (<= (select main_a main_x) 93) (= main_x main_y)), 72220#(or (<= (select main_a main_x) 92) (= main_x main_y)), 72223#(or (<= (select main_a main_x) 95) (= main_x main_y)), 72222#(or (= main_x main_y) (<= (select main_a main_x) 94)), 72225#(or (= main_x main_y) (<= (select main_a main_x) 97)), 72224#(or (<= (select main_a main_x) 96) (= main_x main_y)), 72227#(or (<= (select main_a main_x) 99) (= main_x main_y)), 72226#(or (<= (select main_a main_x) 98) (= main_x main_y)), 72229#(or (<= (select main_a main_x) 101) (= main_x main_y)), 72228#(or (<= (select main_a main_x) 100) (= main_x main_y)), 72231#(or (<= (select main_a main_x) 103) (= main_x main_y)), 72230#(or (= main_x main_y) (<= (select main_a main_x) 102)), 72233#(or (= main_x main_y) (<= (select main_a main_x) 105)), 72232#(or (<= (select main_a main_x) 104) (= main_x main_y)), 72235#(or (<= (select main_a main_x) 107) (= main_x main_y)), 72234#(or (= main_x main_y) (<= (select main_a main_x) 106)), 72237#(or (= main_x main_y) (<= (select main_a main_x) 109)), 72236#(or (<= (select main_a main_x) 108) (= main_x main_y)), 72239#(or (<= (select main_a main_x) 111) (= main_x main_y)), 72238#(or (= main_x main_y) (<= (select main_a main_x) 110)), 72241#(or (<= (select main_a main_x) 113) (= main_x main_y)), 72240#(or (<= (select main_a main_x) 112) (= main_x main_y)), 72243#(or (= main_x main_y) (<= (select main_a main_x) 115)), 72242#(or (= main_x main_y) (<= (select main_a main_x) 114)), 72245#(or (<= (select main_a main_x) 117) (= main_x main_y)), 72244#(or (<= (select main_a main_x) 116) (= main_x main_y)), 72247#(or (= main_x main_y) (<= (select main_a main_x) 119)), 72246#(or (= main_x main_y) (<= (select main_a main_x) 118)), 72249#(or (= main_x main_y) (<= (select main_a main_x) 121)), 72248#(or (<= (select main_a main_x) 120) (= main_x main_y)), 72251#(or (= main_x main_y) (<= (select main_a main_x) 123)), 72250#(or (<= (select main_a main_x) 122) (= main_x main_y)), 72253#(or (<= (select main_a main_x) 125) (= main_x main_y)), 72252#(or (= main_x main_y) (<= (select main_a main_x) 124)), 72255#(or (<= (select main_a main_x) 127) (= main_x main_y)), 72254#(or (= main_x main_y) (<= (select main_a main_x) 126)), 72257#(or (= main_x main_y) (<= (select main_a main_x) 129)), 72256#(or (= main_x main_y) (<= (select main_a main_x) 128)), 72259#(or (<= (select main_a main_x) 131) (= main_x main_y)), 72258#(or (= main_x main_y) (<= (select main_a main_x) 130)), 72261#(or (= main_x main_y) (<= (select main_a main_x) 133)), 72260#(or (<= (select main_a main_x) 132) (= main_x main_y)), 72263#(or (= main_x main_y) (<= (select main_a main_x) 135)), 72262#(or (= main_x main_y) (<= (select main_a main_x) 134)), 72265#(or (<= (select main_a main_x) 137) (= main_x main_y)), 72264#(or (<= (select main_a main_x) 136) (= main_x main_y)), 72267#(or (= main_x main_y) (<= (select main_a main_x) 139)), 72266#(or (= main_x main_y) (<= (select main_a main_x) 138)), 72269#(or (<= (select main_a main_x) 141) (= main_x main_y)), 72268#(or (<= (select main_a main_x) 140) (= main_x main_y)), 72271#(or (= main_x main_y) (<= (select main_a main_x) 143)), 72270#(or (= main_x main_y) (<= (select main_a main_x) 142)), 72273#(or (= main_x main_y) (<= (select main_a main_x) 145)), 72272#(or (<= (select main_a main_x) 144) (= main_x main_y)), 72275#(or (= main_x main_y) (<= (select main_a main_x) 147)), 72274#(or (<= (select main_a main_x) 146) (= main_x main_y)), 72277#(or (= main_x main_y) (<= (select main_a main_x) 149)), 72276#(or (<= (select main_a main_x) 148) (= main_x main_y)), 72279#(or (<= (select main_a main_x) 151) (= main_x main_y)), 72278#(or (= main_x main_y) (<= (select main_a main_x) 150)), 72281#(or (<= (select main_a main_x) 153) (= main_x main_y)), 72280#(or (<= (select main_a main_x) 152) (= main_x main_y)), 72283#(or (<= (select main_a main_x) 155) (= main_x main_y)), 72282#(or (<= (select main_a main_x) 154) (= main_x main_y)), 72285#(or (<= (select main_a main_x) 157) (= main_x main_y)), 72284#(or (<= (select main_a main_x) 156) (= main_x main_y)), 72287#(or (<= (select main_a main_x) 159) (= main_x main_y)), 72286#(or (<= (select main_a main_x) 158) (= main_x main_y)), 72289#(or (<= (select main_a main_x) 161) (= main_x main_y)), 72288#(or (= main_x main_y) (<= (select main_a main_x) 160)), 72291#(or (<= (select main_a main_x) 163) (= main_x main_y)), 72290#(or (= main_x main_y) (<= (select main_a main_x) 162)), 72293#(or (not (= (select main_a main_x) 1000)) (= main_x main_y)), 72292#(or (<= (select main_a main_x) 164) (= main_x main_y)), 72127#false, 72126#true, 72129#(or (<= (select main_a main_x) 1) (= main_x main_y)), 72128#(or (= 0 (select main_a main_x)) (= main_x main_y)), 72131#(or (= main_x main_y) (<= (select main_a main_x) 3)), 72130#(or (= main_x main_y) (<= (select main_a main_x) 2)), 72133#(or (<= (select main_a main_x) 5) (= main_x main_y)), 72132#(or (<= (select main_a main_x) 4) (= main_x main_y)), 72135#(or (<= (select main_a main_x) 7) (= main_x main_y)), 72134#(or (<= (select main_a main_x) 6) (= main_x main_y)), 72137#(or (= main_x main_y) (<= (select main_a main_x) 9)), 72136#(or (<= (select main_a main_x) 8) (= main_x main_y)), 72139#(or (= main_x main_y) (<= (select main_a main_x) 11)), 72138#(or (= main_x main_y) (<= (select main_a main_x) 10)), 72141#(or (= main_x main_y) (<= (select main_a main_x) 13)), 72140#(or (<= (select main_a main_x) 12) (= main_x main_y)), 72143#(or (<= (select main_a main_x) 15) (= main_x main_y)), 72142#(or (<= (select main_a main_x) 14) (= main_x main_y)), 72145#(or (= main_x main_y) (<= (select main_a main_x) 17)), 72144#(or (<= (select main_a main_x) 16) (= main_x main_y)), 72147#(or (<= (select main_a main_x) 19) (= main_x main_y)), 72146#(or (<= (select main_a main_x) 18) (= main_x main_y)), 72149#(or (<= (select main_a main_x) 21) (= main_x main_y)), 72148#(or (= main_x main_y) (<= (select main_a main_x) 20)), 72151#(or (= main_x main_y) (<= (select main_a main_x) 23)), 72150#(or (= main_x main_y) (<= (select main_a main_x) 22)), 72153#(or (= main_x main_y) (<= (select main_a main_x) 25)), 72152#(or (<= (select main_a main_x) 24) (= main_x main_y)), 72155#(or (<= (select main_a main_x) 27) (= main_x main_y)), 72154#(or (<= (select main_a main_x) 26) (= main_x main_y)), 72157#(or (<= (select main_a main_x) 29) (= main_x main_y)), 72156#(or (<= (select main_a main_x) 28) (= main_x main_y)), 72159#(or (<= (select main_a main_x) 31) (= main_x main_y)), 72158#(or (= main_x main_y) (<= (select main_a main_x) 30)), 72161#(or (<= (select main_a main_x) 33) (= main_x main_y)), 72160#(or (<= (select main_a main_x) 32) (= main_x main_y)), 72163#(or (<= (select main_a main_x) 35) (= main_x main_y)), 72162#(or (<= (select main_a main_x) 34) (= main_x main_y)), 72165#(or (<= (select main_a main_x) 37) (= main_x main_y)), 72164#(or (<= (select main_a main_x) 36) (= main_x main_y)), 72167#(or (<= (select main_a main_x) 39) (= main_x main_y)), 72166#(or (<= (select main_a main_x) 38) (= main_x main_y)), 72169#(or (<= (select main_a main_x) 41) (= main_x main_y)), 72168#(or (<= (select main_a main_x) 40) (= main_x main_y)), 72171#(or (= main_x main_y) (<= (select main_a main_x) 43)), 72170#(or (<= (select main_a main_x) 42) (= main_x main_y)), 72173#(or (= main_x main_y) (<= (select main_a main_x) 45)), 72172#(or (= main_x main_y) (<= (select main_a main_x) 44)), 72175#(or (<= (select main_a main_x) 47) (= main_x main_y)), 72174#(or (<= (select main_a main_x) 46) (= main_x main_y)), 72177#(or (<= (select main_a main_x) 49) (= main_x main_y)), 72176#(or (<= (select main_a main_x) 48) (= main_x main_y)), 72179#(or (<= (select main_a main_x) 51) (= main_x main_y)), 72178#(or (<= (select main_a main_x) 50) (= main_x main_y)), 72181#(or (<= (select main_a main_x) 53) (= main_x main_y)), 72180#(or (= main_x main_y) (<= (select main_a main_x) 52)), 72183#(or (<= (select main_a main_x) 55) (= main_x main_y)), 72182#(or (<= (select main_a main_x) 54) (= main_x main_y)), 72185#(or (<= (select main_a main_x) 57) (= main_x main_y)), 72184#(or (= main_x main_y) (<= (select main_a main_x) 56)), 72187#(or (= main_x main_y) (<= (select main_a main_x) 59)), 72186#(or (<= (select main_a main_x) 58) (= main_x main_y)), 72189#(or (= main_x main_y) (<= (select main_a main_x) 61)), 72188#(or (= main_x main_y) (<= (select main_a main_x) 60)), 72191#(or (<= (select main_a main_x) 63) (= main_x main_y)), 72190#(or (<= (select main_a main_x) 62) (= main_x main_y))] [2018-07-23 13:58:19,208 INFO L134 CoverageAnalysis]: Checked inductivity of 13695 backedges. 0 proven. 13695 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-07-23 13:58:19,208 INFO L450 AbstractCegarLoop]: Interpolant automaton has 168 states [2018-07-23 13:58:19,209 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 168 interpolants. [2018-07-23 13:58:19,210 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=14028, Invalid=14028, Unknown=0, NotChecked=0, Total=28056 [2018-07-23 13:58:19,210 INFO L87 Difference]: Start difference. First operand 169 states and 169 transitions. Second operand 168 states. [2018-07-23 13:58:19,473 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-07-23 13:58:19,474 INFO L93 Difference]: Finished difference Result 172 states and 172 transitions. [2018-07-23 13:58:19,474 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 168 states. [2018-07-23 13:58:19,474 INFO L78 Accepts]: Start accepts. Automaton has 168 states. Word has length 168 [2018-07-23 13:58:19,474 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-07-23 13:58:19,474 INFO L225 Difference]: With dead ends: 172 [2018-07-23 13:58:19,474 INFO L226 Difference]: Without dead ends: 170 [2018-07-23 13:58:19,475 INFO L575 BasicCegarLoop]: 0 DeclaredPredicates, 167 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 166 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 1.4s TimeCoverageRelationStatistics Valid=14028, Invalid=14028, Unknown=0, NotChecked=0, Total=28056 [2018-07-23 13:58:19,476 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 170 states. [2018-07-23 13:58:19,483 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 170 to 170. [2018-07-23 13:58:19,483 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 170 states. [2018-07-23 13:58:19,483 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 170 states to 170 states and 170 transitions. [2018-07-23 13:58:19,483 INFO L78 Accepts]: Start accepts. Automaton has 170 states and 170 transitions. Word has length 168 [2018-07-23 13:58:19,483 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-07-23 13:58:19,483 INFO L471 AbstractCegarLoop]: Abstraction has 170 states and 170 transitions. [2018-07-23 13:58:19,483 INFO L472 AbstractCegarLoop]: Interpolant automaton has 168 states. [2018-07-23 13:58:19,483 INFO L276 IsEmpty]: Start isEmpty. Operand 170 states and 170 transitions. [2018-07-23 13:58:19,484 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 170 [2018-07-23 13:58:19,484 INFO L349 BasicCegarLoop]: Found error trace [2018-07-23 13:58:19,484 INFO L357 BasicCegarLoop]: trace histogram [166, 1, 1, 1] [2018-07-23 13:58:19,484 INFO L414 AbstractCegarLoop]: === Iteration 167 === [mainErr0AssertViolationASSERT]=== [2018-07-23 13:58:19,484 INFO L82 PathProgramCache]: Analyzing trace with hash -1604538464, now seen corresponding path program 166 times [2018-07-23 13:58:19,484 INFO L69 tionRefinementEngine]: Using refinement strategy FixedRefinementStrategy [2018-07-23 13:58:19,673 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-07-23 13:58:21,056 INFO L134 CoverageAnalysis]: Checked inductivity of 13861 backedges. 0 proven. 13861 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-07-23 13:58:21,056 INFO L309 seRefinementStrategy]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2018-07-23 13:58:21,057 INFO L324 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [168] total 168 [2018-07-23 13:58:21,057 INFO L142 lantAutomatonBuilder]: Constructing canonical interpolant automaton, with selfloop in false state [2018-07-23 13:58:21,057 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-07-23 13:58:21,057 INFO L185 omatonBuilderFactory]: Interpolants [72979#false, 72978#true, 72981#(or (<= (select main_a main_x) 1) (= main_x main_y)), 72980#(or (= 0 (select main_a main_x)) (= main_x main_y)), 72983#(or (= main_x main_y) (<= (select main_a main_x) 3)), 72982#(or (= main_x main_y) (<= (select main_a main_x) 2)), 72985#(or (<= (select main_a main_x) 5) (= main_x main_y)), 72984#(or (<= (select main_a main_x) 4) (= main_x main_y)), 72987#(or (<= (select main_a main_x) 7) (= main_x main_y)), 72986#(or (<= (select main_a main_x) 6) (= main_x main_y)), 72989#(or (= main_x main_y) (<= (select main_a main_x) 9)), 72988#(or (<= (select main_a main_x) 8) (= main_x main_y)), 72991#(or (= main_x main_y) (<= (select main_a main_x) 11)), 72990#(or (= main_x main_y) (<= (select main_a main_x) 10)), 72993#(or (= main_x main_y) (<= (select main_a main_x) 13)), 72992#(or (<= (select main_a main_x) 12) (= main_x main_y)), 72995#(or (<= (select main_a main_x) 15) (= main_x main_y)), 72994#(or (<= (select main_a main_x) 14) (= main_x main_y)), 72997#(or (= main_x main_y) (<= (select main_a main_x) 17)), 72996#(or (<= (select main_a main_x) 16) (= main_x main_y)), 72999#(or (<= (select main_a main_x) 19) (= main_x main_y)), 72998#(or (<= (select main_a main_x) 18) (= main_x main_y)), 73001#(or (<= (select main_a main_x) 21) (= main_x main_y)), 73000#(or (= main_x main_y) (<= (select main_a main_x) 20)), 73003#(or (= main_x main_y) (<= (select main_a main_x) 23)), 73002#(or (= main_x main_y) (<= (select main_a main_x) 22)), 73005#(or (= main_x main_y) (<= (select main_a main_x) 25)), 73004#(or (<= (select main_a main_x) 24) (= main_x main_y)), 73007#(or (<= (select main_a main_x) 27) (= main_x main_y)), 73006#(or (<= (select main_a main_x) 26) (= main_x main_y)), 73009#(or (<= (select main_a main_x) 29) (= main_x main_y)), 73008#(or (<= (select main_a main_x) 28) (= main_x main_y)), 73011#(or (<= (select main_a main_x) 31) (= main_x main_y)), 73010#(or (= main_x main_y) (<= (select main_a main_x) 30)), 73013#(or (<= (select main_a main_x) 33) (= main_x main_y)), 73012#(or (<= (select main_a main_x) 32) (= main_x main_y)), 73015#(or (<= (select main_a main_x) 35) (= main_x main_y)), 73014#(or (<= (select main_a main_x) 34) (= main_x main_y)), 73017#(or (<= (select main_a main_x) 37) (= main_x main_y)), 73016#(or (<= (select main_a main_x) 36) (= main_x main_y)), 73019#(or (<= (select main_a main_x) 39) (= main_x main_y)), 73018#(or (<= (select main_a main_x) 38) (= main_x main_y)), 73021#(or (<= (select main_a main_x) 41) (= main_x main_y)), 73020#(or (<= (select main_a main_x) 40) (= main_x main_y)), 73023#(or (= main_x main_y) (<= (select main_a main_x) 43)), 73022#(or (<= (select main_a main_x) 42) (= main_x main_y)), 73025#(or (= main_x main_y) (<= (select main_a main_x) 45)), 73024#(or (= main_x main_y) (<= (select main_a main_x) 44)), 73027#(or (<= (select main_a main_x) 47) (= main_x main_y)), 73026#(or (<= (select main_a main_x) 46) (= main_x main_y)), 73029#(or (<= (select main_a main_x) 49) (= main_x main_y)), 73028#(or (<= (select main_a main_x) 48) (= main_x main_y)), 73031#(or (<= (select main_a main_x) 51) (= main_x main_y)), 73030#(or (<= (select main_a main_x) 50) (= main_x main_y)), 73033#(or (<= (select main_a main_x) 53) (= main_x main_y)), 73032#(or (= main_x main_y) (<= (select main_a main_x) 52)), 73035#(or (<= (select main_a main_x) 55) (= main_x main_y)), 73034#(or (<= (select main_a main_x) 54) (= main_x main_y)), 73037#(or (<= (select main_a main_x) 57) (= main_x main_y)), 73036#(or (= main_x main_y) (<= (select main_a main_x) 56)), 73039#(or (= main_x main_y) (<= (select main_a main_x) 59)), 73038#(or (<= (select main_a main_x) 58) (= main_x main_y)), 73041#(or (= main_x main_y) (<= (select main_a main_x) 61)), 73040#(or (= main_x main_y) (<= (select main_a main_x) 60)), 73043#(or (<= (select main_a main_x) 63) (= main_x main_y)), 73042#(or (<= (select main_a main_x) 62) (= main_x main_y)), 73045#(or (<= (select main_a main_x) 65) (= main_x main_y)), 73044#(or (= main_x main_y) (<= (select main_a main_x) 64)), 73047#(or (<= (select main_a main_x) 67) (= main_x main_y)), 73046#(or (= main_x main_y) (<= (select main_a main_x) 66)), 73049#(or (= main_x main_y) (<= (select main_a main_x) 69)), 73048#(or (= main_x main_y) (<= (select main_a main_x) 68)), 73051#(or (<= (select main_a main_x) 71) (= main_x main_y)), 73050#(or (<= (select main_a main_x) 70) (= main_x main_y)), 73053#(or (<= (select main_a main_x) 73) (= main_x main_y)), 73052#(or (= main_x main_y) (<= (select main_a main_x) 72)), 73055#(or (= main_x main_y) (<= (select main_a main_x) 75)), 73054#(or (= main_x main_y) (<= (select main_a main_x) 74)), 73057#(or (<= (select main_a main_x) 77) (= main_x main_y)), 73056#(or (<= (select main_a main_x) 76) (= main_x main_y)), 73059#(or (<= (select main_a main_x) 79) (= main_x main_y)), 73058#(or (<= (select main_a main_x) 78) (= main_x main_y)), 73061#(or (<= (select main_a main_x) 81) (= main_x main_y)), 73060#(or (<= (select main_a main_x) 80) (= main_x main_y)), 73063#(or (= main_x main_y) (<= (select main_a main_x) 83)), 73062#(or (<= (select main_a main_x) 82) (= main_x main_y)), 73065#(or (<= (select main_a main_x) 85) (= main_x main_y)), 73064#(or (<= (select main_a main_x) 84) (= main_x main_y)), 73067#(or (<= (select main_a main_x) 87) (= main_x main_y)), 73066#(or (<= (select main_a main_x) 86) (= main_x main_y)), 73069#(or (<= (select main_a main_x) 89) (= main_x main_y)), 73068#(or (<= (select main_a main_x) 88) (= main_x main_y)), 73071#(or (= main_x main_y) (<= (select main_a main_x) 91)), 73070#(or (<= (select main_a main_x) 90) (= main_x main_y)), 73073#(or (<= (select main_a main_x) 93) (= main_x main_y)), 73072#(or (<= (select main_a main_x) 92) (= main_x main_y)), 73075#(or (<= (select main_a main_x) 95) (= main_x main_y)), 73074#(or (= main_x main_y) (<= (select main_a main_x) 94)), 73077#(or (= main_x main_y) (<= (select main_a main_x) 97)), 73076#(or (<= (select main_a main_x) 96) (= main_x main_y)), 73079#(or (<= (select main_a main_x) 99) (= main_x main_y)), 73078#(or (<= (select main_a main_x) 98) (= main_x main_y)), 73081#(or (<= (select main_a main_x) 101) (= main_x main_y)), 73080#(or (<= (select main_a main_x) 100) (= main_x main_y)), 73083#(or (<= (select main_a main_x) 103) (= main_x main_y)), 73082#(or (= main_x main_y) (<= (select main_a main_x) 102)), 73085#(or (= main_x main_y) (<= (select main_a main_x) 105)), 73084#(or (<= (select main_a main_x) 104) (= main_x main_y)), 73087#(or (<= (select main_a main_x) 107) (= main_x main_y)), 73086#(or (= main_x main_y) (<= (select main_a main_x) 106)), 73089#(or (= main_x main_y) (<= (select main_a main_x) 109)), 73088#(or (<= (select main_a main_x) 108) (= main_x main_y)), 73091#(or (<= (select main_a main_x) 111) (= main_x main_y)), 73090#(or (= main_x main_y) (<= (select main_a main_x) 110)), 73093#(or (<= (select main_a main_x) 113) (= main_x main_y)), 73092#(or (<= (select main_a main_x) 112) (= main_x main_y)), 73095#(or (= main_x main_y) (<= (select main_a main_x) 115)), 73094#(or (= main_x main_y) (<= (select main_a main_x) 114)), 73097#(or (<= (select main_a main_x) 117) (= main_x main_y)), 73096#(or (<= (select main_a main_x) 116) (= main_x main_y)), 73099#(or (= main_x main_y) (<= (select main_a main_x) 119)), 73098#(or (= main_x main_y) (<= (select main_a main_x) 118)), 73101#(or (= main_x main_y) (<= (select main_a main_x) 121)), 73100#(or (<= (select main_a main_x) 120) (= main_x main_y)), 73103#(or (= main_x main_y) (<= (select main_a main_x) 123)), 73102#(or (<= (select main_a main_x) 122) (= main_x main_y)), 73105#(or (<= (select main_a main_x) 125) (= main_x main_y)), 73104#(or (= main_x main_y) (<= (select main_a main_x) 124)), 73107#(or (<= (select main_a main_x) 127) (= main_x main_y)), 73106#(or (= main_x main_y) (<= (select main_a main_x) 126)), 73109#(or (= main_x main_y) (<= (select main_a main_x) 129)), 73108#(or (= main_x main_y) (<= (select main_a main_x) 128)), 73111#(or (<= (select main_a main_x) 131) (= main_x main_y)), 73110#(or (= main_x main_y) (<= (select main_a main_x) 130)), 73113#(or (= main_x main_y) (<= (select main_a main_x) 133)), 73112#(or (<= (select main_a main_x) 132) (= main_x main_y)), 73115#(or (= main_x main_y) (<= (select main_a main_x) 135)), 73114#(or (= main_x main_y) (<= (select main_a main_x) 134)), 73117#(or (<= (select main_a main_x) 137) (= main_x main_y)), 73116#(or (<= (select main_a main_x) 136) (= main_x main_y)), 73119#(or (= main_x main_y) (<= (select main_a main_x) 139)), 73118#(or (= main_x main_y) (<= (select main_a main_x) 138)), 73121#(or (<= (select main_a main_x) 141) (= main_x main_y)), 73120#(or (<= (select main_a main_x) 140) (= main_x main_y)), 73123#(or (= main_x main_y) (<= (select main_a main_x) 143)), 73122#(or (= main_x main_y) (<= (select main_a main_x) 142)), 73125#(or (= main_x main_y) (<= (select main_a main_x) 145)), 73124#(or (<= (select main_a main_x) 144) (= main_x main_y)), 73127#(or (= main_x main_y) (<= (select main_a main_x) 147)), 73126#(or (<= (select main_a main_x) 146) (= main_x main_y)), 73129#(or (= main_x main_y) (<= (select main_a main_x) 149)), 73128#(or (<= (select main_a main_x) 148) (= main_x main_y)), 73131#(or (<= (select main_a main_x) 151) (= main_x main_y)), 73130#(or (= main_x main_y) (<= (select main_a main_x) 150)), 73133#(or (<= (select main_a main_x) 153) (= main_x main_y)), 73132#(or (<= (select main_a main_x) 152) (= main_x main_y)), 73135#(or (<= (select main_a main_x) 155) (= main_x main_y)), 73134#(or (<= (select main_a main_x) 154) (= main_x main_y)), 73137#(or (<= (select main_a main_x) 157) (= main_x main_y)), 73136#(or (<= (select main_a main_x) 156) (= main_x main_y)), 73139#(or (<= (select main_a main_x) 159) (= main_x main_y)), 73138#(or (<= (select main_a main_x) 158) (= main_x main_y)), 73141#(or (<= (select main_a main_x) 161) (= main_x main_y)), 73140#(or (= main_x main_y) (<= (select main_a main_x) 160)), 73143#(or (<= (select main_a main_x) 163) (= main_x main_y)), 73142#(or (= main_x main_y) (<= (select main_a main_x) 162)), 73145#(or (<= (select main_a main_x) 165) (= main_x main_y)), 73144#(or (<= (select main_a main_x) 164) (= main_x main_y)), 73146#(or (not (= (select main_a main_x) 1000)) (= main_x main_y))] [2018-07-23 13:58:21,058 INFO L134 CoverageAnalysis]: Checked inductivity of 13861 backedges. 0 proven. 13861 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-07-23 13:58:21,058 INFO L450 AbstractCegarLoop]: Interpolant automaton has 169 states [2018-07-23 13:58:21,060 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 169 interpolants. [2018-07-23 13:58:21,061 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=14196, Invalid=14196, Unknown=0, NotChecked=0, Total=28392 [2018-07-23 13:58:21,061 INFO L87 Difference]: Start difference. First operand 170 states and 170 transitions. Second operand 169 states. [2018-07-23 13:58:21,638 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-07-23 13:58:21,638 INFO L93 Difference]: Finished difference Result 173 states and 173 transitions. [2018-07-23 13:58:21,638 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 169 states. [2018-07-23 13:58:21,638 INFO L78 Accepts]: Start accepts. Automaton has 169 states. Word has length 169 [2018-07-23 13:58:21,638 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-07-23 13:58:21,639 INFO L225 Difference]: With dead ends: 173 [2018-07-23 13:58:21,639 INFO L226 Difference]: Without dead ends: 171 [2018-07-23 13:58:21,640 INFO L575 BasicCegarLoop]: 0 DeclaredPredicates, 168 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 167 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 1.2s TimeCoverageRelationStatistics Valid=14196, Invalid=14196, Unknown=0, NotChecked=0, Total=28392 [2018-07-23 13:58:21,640 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 171 states. [2018-07-23 13:58:21,648 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 171 to 171. [2018-07-23 13:58:21,648 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 171 states. [2018-07-23 13:58:21,648 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 171 states to 171 states and 171 transitions. [2018-07-23 13:58:21,648 INFO L78 Accepts]: Start accepts. Automaton has 171 states and 171 transitions. Word has length 169 [2018-07-23 13:58:21,648 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-07-23 13:58:21,648 INFO L471 AbstractCegarLoop]: Abstraction has 171 states and 171 transitions. [2018-07-23 13:58:21,648 INFO L472 AbstractCegarLoop]: Interpolant automaton has 169 states. [2018-07-23 13:58:21,648 INFO L276 IsEmpty]: Start isEmpty. Operand 171 states and 171 transitions. [2018-07-23 13:58:21,649 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 171 [2018-07-23 13:58:21,649 INFO L349 BasicCegarLoop]: Found error trace [2018-07-23 13:58:21,649 INFO L357 BasicCegarLoop]: trace histogram [167, 1, 1, 1] [2018-07-23 13:58:21,649 INFO L414 AbstractCegarLoop]: === Iteration 168 === [mainErr0AssertViolationASSERT]=== [2018-07-23 13:58:21,649 INFO L82 PathProgramCache]: Analyzing trace with hash 1798911302, now seen corresponding path program 167 times [2018-07-23 13:58:21,649 INFO L69 tionRefinementEngine]: Using refinement strategy FixedRefinementStrategy [2018-07-23 13:58:21,839 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-07-23 13:58:23,247 INFO L134 CoverageAnalysis]: Checked inductivity of 14028 backedges. 0 proven. 14028 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-07-23 13:58:23,248 INFO L309 seRefinementStrategy]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2018-07-23 13:58:23,248 INFO L324 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [169] total 169 [2018-07-23 13:58:23,248 INFO L142 lantAutomatonBuilder]: Constructing canonical interpolant automaton, with selfloop in false state [2018-07-23 13:58:23,248 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 13:58:23,248 INFO L185 omatonBuilderFactory]: Interpolants [73985#(or (<= (select main_a main_x) 148) (= main_x main_y)), 73984#(or (= main_x main_y) (<= (select main_a main_x) 147)), 73987#(or (= main_x main_y) (<= (select main_a main_x) 150)), 73986#(or (= main_x main_y) (<= (select main_a main_x) 149)), 73989#(or (<= (select main_a main_x) 152) (= main_x main_y)), 73988#(or (<= (select main_a main_x) 151) (= main_x main_y)), 73991#(or (<= (select main_a main_x) 154) (= main_x main_y)), 73990#(or (<= (select main_a main_x) 153) (= main_x main_y)), 73993#(or (<= (select main_a main_x) 156) (= main_x main_y)), 73992#(or (<= (select main_a main_x) 155) (= main_x main_y)), 73995#(or (<= (select main_a main_x) 158) (= main_x main_y)), 73994#(or (<= (select main_a main_x) 157) (= main_x main_y)), 73997#(or (= main_x main_y) (<= (select main_a main_x) 160)), 73996#(or (<= (select main_a main_x) 159) (= main_x main_y)), 73999#(or (= main_x main_y) (<= (select main_a main_x) 162)), 73998#(or (<= (select main_a main_x) 161) (= main_x main_y)), 74001#(or (<= (select main_a main_x) 164) (= main_x main_y)), 74000#(or (<= (select main_a main_x) 163) (= main_x main_y)), 74003#(or (= main_x main_y) (<= (select main_a main_x) 166)), 74002#(or (<= (select main_a main_x) 165) (= main_x main_y)), 74004#(or (not (= (select main_a main_x) 1000)) (= main_x main_y)), 73835#true, 73837#(or (= 0 (select main_a main_x)) (= main_x main_y)), 73836#false, 73839#(or (= main_x main_y) (<= (select main_a main_x) 2)), 73838#(or (<= (select main_a main_x) 1) (= main_x main_y)), 73841#(or (<= (select main_a main_x) 4) (= main_x main_y)), 73840#(or (= main_x main_y) (<= (select main_a main_x) 3)), 73843#(or (<= (select main_a main_x) 6) (= main_x main_y)), 73842#(or (<= (select main_a main_x) 5) (= main_x main_y)), 73845#(or (<= (select main_a main_x) 8) (= main_x main_y)), 73844#(or (<= (select main_a main_x) 7) (= main_x main_y)), 73847#(or (= main_x main_y) (<= (select main_a main_x) 10)), 73846#(or (= main_x main_y) (<= (select main_a main_x) 9)), 73849#(or (<= (select main_a main_x) 12) (= main_x main_y)), 73848#(or (= main_x main_y) (<= (select main_a main_x) 11)), 73851#(or (<= (select main_a main_x) 14) (= main_x main_y)), 73850#(or (= main_x main_y) (<= (select main_a main_x) 13)), 73853#(or (<= (select main_a main_x) 16) (= main_x main_y)), 73852#(or (<= (select main_a main_x) 15) (= main_x main_y)), 73855#(or (<= (select main_a main_x) 18) (= main_x main_y)), 73854#(or (= main_x main_y) (<= (select main_a main_x) 17)), 73857#(or (= main_x main_y) (<= (select main_a main_x) 20)), 73856#(or (<= (select main_a main_x) 19) (= main_x main_y)), 73859#(or (= main_x main_y) (<= (select main_a main_x) 22)), 73858#(or (<= (select main_a main_x) 21) (= main_x main_y)), 73861#(or (<= (select main_a main_x) 24) (= main_x main_y)), 73860#(or (= main_x main_y) (<= (select main_a main_x) 23)), 73863#(or (<= (select main_a main_x) 26) (= main_x main_y)), 73862#(or (= main_x main_y) (<= (select main_a main_x) 25)), 73865#(or (<= (select main_a main_x) 28) (= main_x main_y)), 73864#(or (<= (select main_a main_x) 27) (= main_x main_y)), 73867#(or (= main_x main_y) (<= (select main_a main_x) 30)), 73866#(or (<= (select main_a main_x) 29) (= main_x main_y)), 73869#(or (<= (select main_a main_x) 32) (= main_x main_y)), 73868#(or (<= (select main_a main_x) 31) (= main_x main_y)), 73871#(or (<= (select main_a main_x) 34) (= main_x main_y)), 73870#(or (<= (select main_a main_x) 33) (= main_x main_y)), 73873#(or (<= (select main_a main_x) 36) (= main_x main_y)), 73872#(or (<= (select main_a main_x) 35) (= main_x main_y)), 73875#(or (<= (select main_a main_x) 38) (= main_x main_y)), 73874#(or (<= (select main_a main_x) 37) (= main_x main_y)), 73877#(or (<= (select main_a main_x) 40) (= main_x main_y)), 73876#(or (<= (select main_a main_x) 39) (= main_x main_y)), 73879#(or (<= (select main_a main_x) 42) (= main_x main_y)), 73878#(or (<= (select main_a main_x) 41) (= main_x main_y)), 73881#(or (= main_x main_y) (<= (select main_a main_x) 44)), 73880#(or (= main_x main_y) (<= (select main_a main_x) 43)), 73883#(or (<= (select main_a main_x) 46) (= main_x main_y)), 73882#(or (= main_x main_y) (<= (select main_a main_x) 45)), 73885#(or (<= (select main_a main_x) 48) (= main_x main_y)), 73884#(or (<= (select main_a main_x) 47) (= main_x main_y)), 73887#(or (<= (select main_a main_x) 50) (= main_x main_y)), 73886#(or (<= (select main_a main_x) 49) (= main_x main_y)), 73889#(or (= main_x main_y) (<= (select main_a main_x) 52)), 73888#(or (<= (select main_a main_x) 51) (= main_x main_y)), 73891#(or (<= (select main_a main_x) 54) (= main_x main_y)), 73890#(or (<= (select main_a main_x) 53) (= main_x main_y)), 73893#(or (= main_x main_y) (<= (select main_a main_x) 56)), 73892#(or (<= (select main_a main_x) 55) (= main_x main_y)), 73895#(or (<= (select main_a main_x) 58) (= main_x main_y)), 73894#(or (<= (select main_a main_x) 57) (= main_x main_y)), 73897#(or (= main_x main_y) (<= (select main_a main_x) 60)), 73896#(or (= main_x main_y) (<= (select main_a main_x) 59)), 73899#(or (<= (select main_a main_x) 62) (= main_x main_y)), 73898#(or (= main_x main_y) (<= (select main_a main_x) 61)), 73901#(or (= main_x main_y) (<= (select main_a main_x) 64)), 73900#(or (<= (select main_a main_x) 63) (= main_x main_y)), 73903#(or (= main_x main_y) (<= (select main_a main_x) 66)), 73902#(or (<= (select main_a main_x) 65) (= main_x main_y)), 73905#(or (= main_x main_y) (<= (select main_a main_x) 68)), 73904#(or (<= (select main_a main_x) 67) (= main_x main_y)), 73907#(or (<= (select main_a main_x) 70) (= main_x main_y)), 73906#(or (= main_x main_y) (<= (select main_a main_x) 69)), 73909#(or (= main_x main_y) (<= (select main_a main_x) 72)), 73908#(or (<= (select main_a main_x) 71) (= main_x main_y)), 73911#(or (= main_x main_y) (<= (select main_a main_x) 74)), 73910#(or (<= (select main_a main_x) 73) (= main_x main_y)), 73913#(or (<= (select main_a main_x) 76) (= main_x main_y)), 73912#(or (= main_x main_y) (<= (select main_a main_x) 75)), 73915#(or (<= (select main_a main_x) 78) (= main_x main_y)), 73914#(or (<= (select main_a main_x) 77) (= main_x main_y)), 73917#(or (<= (select main_a main_x) 80) (= main_x main_y)), 73916#(or (<= (select main_a main_x) 79) (= main_x main_y)), 73919#(or (<= (select main_a main_x) 82) (= main_x main_y)), 73918#(or (<= (select main_a main_x) 81) (= main_x main_y)), 73921#(or (<= (select main_a main_x) 84) (= main_x main_y)), 73920#(or (= main_x main_y) (<= (select main_a main_x) 83)), 73923#(or (<= (select main_a main_x) 86) (= main_x main_y)), 73922#(or (<= (select main_a main_x) 85) (= main_x main_y)), 73925#(or (<= (select main_a main_x) 88) (= main_x main_y)), 73924#(or (<= (select main_a main_x) 87) (= main_x main_y)), 73927#(or (<= (select main_a main_x) 90) (= main_x main_y)), 73926#(or (<= (select main_a main_x) 89) (= main_x main_y)), 73929#(or (<= (select main_a main_x) 92) (= main_x main_y)), 73928#(or (= main_x main_y) (<= (select main_a main_x) 91)), 73931#(or (= main_x main_y) (<= (select main_a main_x) 94)), 73930#(or (<= (select main_a main_x) 93) (= main_x main_y)), 73933#(or (<= (select main_a main_x) 96) (= main_x main_y)), 73932#(or (<= (select main_a main_x) 95) (= main_x main_y)), 73935#(or (<= (select main_a main_x) 98) (= main_x main_y)), 73934#(or (= main_x main_y) (<= (select main_a main_x) 97)), 73937#(or (<= (select main_a main_x) 100) (= main_x main_y)), 73936#(or (<= (select main_a main_x) 99) (= main_x main_y)), 73939#(or (= main_x main_y) (<= (select main_a main_x) 102)), 73938#(or (<= (select main_a main_x) 101) (= main_x main_y)), 73941#(or (<= (select main_a main_x) 104) (= main_x main_y)), 73940#(or (<= (select main_a main_x) 103) (= main_x main_y)), 73943#(or (= main_x main_y) (<= (select main_a main_x) 106)), 73942#(or (= main_x main_y) (<= (select main_a main_x) 105)), 73945#(or (<= (select main_a main_x) 108) (= main_x main_y)), 73944#(or (<= (select main_a main_x) 107) (= main_x main_y)), 73947#(or (= main_x main_y) (<= (select main_a main_x) 110)), 73946#(or (= main_x main_y) (<= (select main_a main_x) 109)), 73949#(or (<= (select main_a main_x) 112) (= main_x main_y)), 73948#(or (<= (select main_a main_x) 111) (= main_x main_y)), 73951#(or (= main_x main_y) (<= (select main_a main_x) 114)), 73950#(or (<= (select main_a main_x) 113) (= main_x main_y)), 73953#(or (<= (select main_a main_x) 116) (= main_x main_y)), 73952#(or (= main_x main_y) (<= (select main_a main_x) 115)), 73955#(or (= main_x main_y) (<= (select main_a main_x) 118)), 73954#(or (<= (select main_a main_x) 117) (= main_x main_y)), 73957#(or (<= (select main_a main_x) 120) (= main_x main_y)), 73956#(or (= main_x main_y) (<= (select main_a main_x) 119)), 73959#(or (<= (select main_a main_x) 122) (= main_x main_y)), 73958#(or (= main_x main_y) (<= (select main_a main_x) 121)), 73961#(or (= main_x main_y) (<= (select main_a main_x) 124)), 73960#(or (= main_x main_y) (<= (select main_a main_x) 123)), 73963#(or (= main_x main_y) (<= (select main_a main_x) 126)), 73962#(or (<= (select main_a main_x) 125) (= main_x main_y)), 73965#(or (= main_x main_y) (<= (select main_a main_x) 128)), 73964#(or (<= (select main_a main_x) 127) (= main_x main_y)), 73967#(or (= main_x main_y) (<= (select main_a main_x) 130)), 73966#(or (= main_x main_y) (<= (select main_a main_x) 129)), 73969#(or (<= (select main_a main_x) 132) (= main_x main_y)), 73968#(or (<= (select main_a main_x) 131) (= main_x main_y)), 73971#(or (= main_x main_y) (<= (select main_a main_x) 134)), 73970#(or (= main_x main_y) (<= (select main_a main_x) 133)), 73973#(or (<= (select main_a main_x) 136) (= main_x main_y)), 73972#(or (= main_x main_y) (<= (select main_a main_x) 135)), 73975#(or (= main_x main_y) (<= (select main_a main_x) 138)), 73974#(or (<= (select main_a main_x) 137) (= main_x main_y)), 73977#(or (<= (select main_a main_x) 140) (= main_x main_y)), 73976#(or (= main_x main_y) (<= (select main_a main_x) 139)), 73979#(or (= main_x main_y) (<= (select main_a main_x) 142)), 73978#(or (<= (select main_a main_x) 141) (= main_x main_y)), 73981#(or (<= (select main_a main_x) 144) (= main_x main_y)), 73980#(or (= main_x main_y) (<= (select main_a main_x) 143)), 73983#(or (<= (select main_a main_x) 146) (= main_x main_y)), 73982#(or (= main_x main_y) (<= (select main_a main_x) 145))] [2018-07-23 13:58:23,249 INFO L134 CoverageAnalysis]: Checked inductivity of 14028 backedges. 0 proven. 14028 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-07-23 13:58:23,249 INFO L450 AbstractCegarLoop]: Interpolant automaton has 170 states [2018-07-23 13:58:23,251 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 170 interpolants. [2018-07-23 13:58:23,251 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=14365, Invalid=14365, Unknown=0, NotChecked=0, Total=28730 [2018-07-23 13:58:23,252 INFO L87 Difference]: Start difference. First operand 171 states and 171 transitions. Second operand 170 states. [2018-07-23 13:58:23,616 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-07-23 13:58:23,616 INFO L93 Difference]: Finished difference Result 174 states and 174 transitions. [2018-07-23 13:58:23,616 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 170 states. [2018-07-23 13:58:23,616 INFO L78 Accepts]: Start accepts. Automaton has 170 states. Word has length 170 [2018-07-23 13:58:23,616 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-07-23 13:58:23,617 INFO L225 Difference]: With dead ends: 174 [2018-07-23 13:58:23,617 INFO L226 Difference]: Without dead ends: 172 [2018-07-23 13:58:23,618 INFO L575 BasicCegarLoop]: 0 DeclaredPredicates, 169 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 168 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 1.2s TimeCoverageRelationStatistics Valid=14365, Invalid=14365, Unknown=0, NotChecked=0, Total=28730 [2018-07-23 13:58:23,618 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 172 states. [2018-07-23 13:58:23,627 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 172 to 172. [2018-07-23 13:58:23,627 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 172 states. [2018-07-23 13:58:23,627 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 172 states to 172 states and 172 transitions. [2018-07-23 13:58:23,627 INFO L78 Accepts]: Start accepts. Automaton has 172 states and 172 transitions. Word has length 170 [2018-07-23 13:58:23,627 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-07-23 13:58:23,627 INFO L471 AbstractCegarLoop]: Abstraction has 172 states and 172 transitions. [2018-07-23 13:58:23,627 INFO L472 AbstractCegarLoop]: Interpolant automaton has 170 states. [2018-07-23 13:58:23,627 INFO L276 IsEmpty]: Start isEmpty. Operand 172 states and 172 transitions. [2018-07-23 13:58:23,628 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 172 [2018-07-23 13:58:23,628 INFO L349 BasicCegarLoop]: Found error trace [2018-07-23 13:58:23,628 INFO L357 BasicCegarLoop]: trace histogram [168, 1, 1, 1] [2018-07-23 13:58:23,628 INFO L414 AbstractCegarLoop]: === Iteration 169 === [mainErr0AssertViolationASSERT]=== [2018-07-23 13:58:23,628 INFO L82 PathProgramCache]: Analyzing trace with hash -68328352, now seen corresponding path program 168 times [2018-07-23 13:58:23,628 INFO L69 tionRefinementEngine]: Using refinement strategy FixedRefinementStrategy [2018-07-23 13:58:23,818 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-07-23 13:58:25,290 INFO L134 CoverageAnalysis]: Checked inductivity of 14196 backedges. 0 proven. 14196 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-07-23 13:58:25,291 INFO L309 seRefinementStrategy]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2018-07-23 13:58:25,291 INFO L324 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [170] total 170 [2018-07-23 13:58:25,291 INFO L142 lantAutomatonBuilder]: Constructing canonical interpolant automaton, with selfloop in false state [2018-07-23 13:58:25,291 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 13:58:25,292 INFO L185 omatonBuilderFactory]: Interpolants [74753#(or (<= (select main_a main_x) 54) (= main_x main_y)), 74752#(or (<= (select main_a main_x) 53) (= main_x main_y)), 74755#(or (= main_x main_y) (<= (select main_a main_x) 56)), 74754#(or (<= (select main_a main_x) 55) (= main_x main_y)), 74757#(or (<= (select main_a main_x) 58) (= main_x main_y)), 74756#(or (<= (select main_a main_x) 57) (= main_x main_y)), 74759#(or (= main_x main_y) (<= (select main_a main_x) 60)), 74758#(or (= main_x main_y) (<= (select main_a main_x) 59)), 74761#(or (<= (select main_a main_x) 62) (= main_x main_y)), 74760#(or (= main_x main_y) (<= (select main_a main_x) 61)), 74763#(or (= main_x main_y) (<= (select main_a main_x) 64)), 74762#(or (<= (select main_a main_x) 63) (= main_x main_y)), 74765#(or (= main_x main_y) (<= (select main_a main_x) 66)), 74764#(or (<= (select main_a main_x) 65) (= main_x main_y)), 74767#(or (= main_x main_y) (<= (select main_a main_x) 68)), 74766#(or (<= (select main_a main_x) 67) (= main_x main_y)), 74769#(or (<= (select main_a main_x) 70) (= main_x main_y)), 74768#(or (= main_x main_y) (<= (select main_a main_x) 69)), 74771#(or (= main_x main_y) (<= (select main_a main_x) 72)), 74770#(or (<= (select main_a main_x) 71) (= main_x main_y)), 74773#(or (= main_x main_y) (<= (select main_a main_x) 74)), 74772#(or (<= (select main_a main_x) 73) (= main_x main_y)), 74775#(or (<= (select main_a main_x) 76) (= main_x main_y)), 74774#(or (= main_x main_y) (<= (select main_a main_x) 75)), 74777#(or (<= (select main_a main_x) 78) (= main_x main_y)), 74776#(or (<= (select main_a main_x) 77) (= main_x main_y)), 74779#(or (<= (select main_a main_x) 80) (= main_x main_y)), 74778#(or (<= (select main_a main_x) 79) (= main_x main_y)), 74781#(or (<= (select main_a main_x) 82) (= main_x main_y)), 74780#(or (<= (select main_a main_x) 81) (= main_x main_y)), 74783#(or (<= (select main_a main_x) 84) (= main_x main_y)), 74782#(or (= main_x main_y) (<= (select main_a main_x) 83)), 74785#(or (<= (select main_a main_x) 86) (= main_x main_y)), 74784#(or (<= (select main_a main_x) 85) (= main_x main_y)), 74787#(or (<= (select main_a main_x) 88) (= main_x main_y)), 74786#(or (<= (select main_a main_x) 87) (= main_x main_y)), 74789#(or (<= (select main_a main_x) 90) (= main_x main_y)), 74788#(or (<= (select main_a main_x) 89) (= main_x main_y)), 74791#(or (<= (select main_a main_x) 92) (= main_x main_y)), 74790#(or (= main_x main_y) (<= (select main_a main_x) 91)), 74793#(or (= main_x main_y) (<= (select main_a main_x) 94)), 74792#(or (<= (select main_a main_x) 93) (= main_x main_y)), 74795#(or (<= (select main_a main_x) 96) (= main_x main_y)), 74794#(or (<= (select main_a main_x) 95) (= main_x main_y)), 74797#(or (<= (select main_a main_x) 98) (= main_x main_y)), 74796#(or (= main_x main_y) (<= (select main_a main_x) 97)), 74799#(or (<= (select main_a main_x) 100) (= main_x main_y)), 74798#(or (<= (select main_a main_x) 99) (= main_x main_y)), 74801#(or (= main_x main_y) (<= (select main_a main_x) 102)), 74800#(or (<= (select main_a main_x) 101) (= main_x main_y)), 74803#(or (<= (select main_a main_x) 104) (= main_x main_y)), 74802#(or (<= (select main_a main_x) 103) (= main_x main_y)), 74805#(or (= main_x main_y) (<= (select main_a main_x) 106)), 74804#(or (= main_x main_y) (<= (select main_a main_x) 105)), 74807#(or (<= (select main_a main_x) 108) (= main_x main_y)), 74806#(or (<= (select main_a main_x) 107) (= main_x main_y)), 74809#(or (= main_x main_y) (<= (select main_a main_x) 110)), 74808#(or (= main_x main_y) (<= (select main_a main_x) 109)), 74811#(or (<= (select main_a main_x) 112) (= main_x main_y)), 74810#(or (<= (select main_a main_x) 111) (= main_x main_y)), 74813#(or (= main_x main_y) (<= (select main_a main_x) 114)), 74812#(or (<= (select main_a main_x) 113) (= main_x main_y)), 74815#(or (<= (select main_a main_x) 116) (= main_x main_y)), 74814#(or (= main_x main_y) (<= (select main_a main_x) 115)), 74817#(or (= main_x main_y) (<= (select main_a main_x) 118)), 74816#(or (<= (select main_a main_x) 117) (= main_x main_y)), 74819#(or (<= (select main_a main_x) 120) (= main_x main_y)), 74818#(or (= main_x main_y) (<= (select main_a main_x) 119)), 74821#(or (<= (select main_a main_x) 122) (= main_x main_y)), 74820#(or (= main_x main_y) (<= (select main_a main_x) 121)), 74823#(or (= main_x main_y) (<= (select main_a main_x) 124)), 74822#(or (= main_x main_y) (<= (select main_a main_x) 123)), 74825#(or (= main_x main_y) (<= (select main_a main_x) 126)), 74824#(or (<= (select main_a main_x) 125) (= main_x main_y)), 74827#(or (= main_x main_y) (<= (select main_a main_x) 128)), 74826#(or (<= (select main_a main_x) 127) (= main_x main_y)), 74829#(or (= main_x main_y) (<= (select main_a main_x) 130)), 74828#(or (= main_x main_y) (<= (select main_a main_x) 129)), 74831#(or (<= (select main_a main_x) 132) (= main_x main_y)), 74830#(or (<= (select main_a main_x) 131) (= main_x main_y)), 74833#(or (= main_x main_y) (<= (select main_a main_x) 134)), 74832#(or (= main_x main_y) (<= (select main_a main_x) 133)), 74835#(or (<= (select main_a main_x) 136) (= main_x main_y)), 74834#(or (= main_x main_y) (<= (select main_a main_x) 135)), 74837#(or (= main_x main_y) (<= (select main_a main_x) 138)), 74836#(or (<= (select main_a main_x) 137) (= main_x main_y)), 74839#(or (<= (select main_a main_x) 140) (= main_x main_y)), 74838#(or (= main_x main_y) (<= (select main_a main_x) 139)), 74841#(or (= main_x main_y) (<= (select main_a main_x) 142)), 74840#(or (<= (select main_a main_x) 141) (= main_x main_y)), 74843#(or (<= (select main_a main_x) 144) (= main_x main_y)), 74842#(or (= main_x main_y) (<= (select main_a main_x) 143)), 74845#(or (<= (select main_a main_x) 146) (= main_x main_y)), 74844#(or (= main_x main_y) (<= (select main_a main_x) 145)), 74847#(or (<= (select main_a main_x) 148) (= main_x main_y)), 74846#(or (= main_x main_y) (<= (select main_a main_x) 147)), 74849#(or (= main_x main_y) (<= (select main_a main_x) 150)), 74848#(or (= main_x main_y) (<= (select main_a main_x) 149)), 74851#(or (<= (select main_a main_x) 152) (= main_x main_y)), 74850#(or (<= (select main_a main_x) 151) (= main_x main_y)), 74853#(or (<= (select main_a main_x) 154) (= main_x main_y)), 74852#(or (<= (select main_a main_x) 153) (= main_x main_y)), 74855#(or (<= (select main_a main_x) 156) (= main_x main_y)), 74854#(or (<= (select main_a main_x) 155) (= main_x main_y)), 74857#(or (<= (select main_a main_x) 158) (= main_x main_y)), 74856#(or (<= (select main_a main_x) 157) (= main_x main_y)), 74859#(or (= main_x main_y) (<= (select main_a main_x) 160)), 74858#(or (<= (select main_a main_x) 159) (= main_x main_y)), 74861#(or (= main_x main_y) (<= (select main_a main_x) 162)), 74860#(or (<= (select main_a main_x) 161) (= main_x main_y)), 74863#(or (<= (select main_a main_x) 164) (= main_x main_y)), 74862#(or (<= (select main_a main_x) 163) (= main_x main_y)), 74865#(or (= main_x main_y) (<= (select main_a main_x) 166)), 74864#(or (<= (select main_a main_x) 165) (= main_x main_y)), 74867#(or (not (= (select main_a main_x) 1000)) (= main_x main_y)), 74866#(or (= main_x main_y) (<= (select main_a main_x) 167)), 74697#true, 74699#(or (= 0 (select main_a main_x)) (= main_x main_y)), 74698#false, 74701#(or (= main_x main_y) (<= (select main_a main_x) 2)), 74700#(or (<= (select main_a main_x) 1) (= main_x main_y)), 74703#(or (<= (select main_a main_x) 4) (= main_x main_y)), 74702#(or (= main_x main_y) (<= (select main_a main_x) 3)), 74705#(or (<= (select main_a main_x) 6) (= main_x main_y)), 74704#(or (<= (select main_a main_x) 5) (= main_x main_y)), 74707#(or (<= (select main_a main_x) 8) (= main_x main_y)), 74706#(or (<= (select main_a main_x) 7) (= main_x main_y)), 74709#(or (= main_x main_y) (<= (select main_a main_x) 10)), 74708#(or (= main_x main_y) (<= (select main_a main_x) 9)), 74711#(or (<= (select main_a main_x) 12) (= main_x main_y)), 74710#(or (= main_x main_y) (<= (select main_a main_x) 11)), 74713#(or (<= (select main_a main_x) 14) (= main_x main_y)), 74712#(or (= main_x main_y) (<= (select main_a main_x) 13)), 74715#(or (<= (select main_a main_x) 16) (= main_x main_y)), 74714#(or (<= (select main_a main_x) 15) (= main_x main_y)), 74717#(or (<= (select main_a main_x) 18) (= main_x main_y)), 74716#(or (= main_x main_y) (<= (select main_a main_x) 17)), 74719#(or (= main_x main_y) (<= (select main_a main_x) 20)), 74718#(or (<= (select main_a main_x) 19) (= main_x main_y)), 74721#(or (= main_x main_y) (<= (select main_a main_x) 22)), 74720#(or (<= (select main_a main_x) 21) (= main_x main_y)), 74723#(or (<= (select main_a main_x) 24) (= main_x main_y)), 74722#(or (= main_x main_y) (<= (select main_a main_x) 23)), 74725#(or (<= (select main_a main_x) 26) (= main_x main_y)), 74724#(or (= main_x main_y) (<= (select main_a main_x) 25)), 74727#(or (<= (select main_a main_x) 28) (= main_x main_y)), 74726#(or (<= (select main_a main_x) 27) (= main_x main_y)), 74729#(or (= main_x main_y) (<= (select main_a main_x) 30)), 74728#(or (<= (select main_a main_x) 29) (= main_x main_y)), 74731#(or (<= (select main_a main_x) 32) (= main_x main_y)), 74730#(or (<= (select main_a main_x) 31) (= main_x main_y)), 74733#(or (<= (select main_a main_x) 34) (= main_x main_y)), 74732#(or (<= (select main_a main_x) 33) (= main_x main_y)), 74735#(or (<= (select main_a main_x) 36) (= main_x main_y)), 74734#(or (<= (select main_a main_x) 35) (= main_x main_y)), 74737#(or (<= (select main_a main_x) 38) (= main_x main_y)), 74736#(or (<= (select main_a main_x) 37) (= main_x main_y)), 74739#(or (<= (select main_a main_x) 40) (= main_x main_y)), 74738#(or (<= (select main_a main_x) 39) (= main_x main_y)), 74741#(or (<= (select main_a main_x) 42) (= main_x main_y)), 74740#(or (<= (select main_a main_x) 41) (= main_x main_y)), 74743#(or (= main_x main_y) (<= (select main_a main_x) 44)), 74742#(or (= main_x main_y) (<= (select main_a main_x) 43)), 74745#(or (<= (select main_a main_x) 46) (= main_x main_y)), 74744#(or (= main_x main_y) (<= (select main_a main_x) 45)), 74747#(or (<= (select main_a main_x) 48) (= main_x main_y)), 74746#(or (<= (select main_a main_x) 47) (= main_x main_y)), 74749#(or (<= (select main_a main_x) 50) (= main_x main_y)), 74748#(or (<= (select main_a main_x) 49) (= main_x main_y)), 74751#(or (= main_x main_y) (<= (select main_a main_x) 52)), 74750#(or (<= (select main_a main_x) 51) (= main_x main_y))] [2018-07-23 13:58:25,292 INFO L134 CoverageAnalysis]: Checked inductivity of 14196 backedges. 0 proven. 14196 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-07-23 13:58:25,292 INFO L450 AbstractCegarLoop]: Interpolant automaton has 171 states [2018-07-23 13:58:25,294 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 171 interpolants. [2018-07-23 13:58:25,295 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=14535, Invalid=14535, Unknown=0, NotChecked=0, Total=29070 [2018-07-23 13:58:25,296 INFO L87 Difference]: Start difference. First operand 172 states and 172 transitions. Second operand 171 states. [2018-07-23 13:58:25,682 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-07-23 13:58:25,682 INFO L93 Difference]: Finished difference Result 175 states and 175 transitions. [2018-07-23 13:58:25,682 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 171 states. [2018-07-23 13:58:25,682 INFO L78 Accepts]: Start accepts. Automaton has 171 states. Word has length 171 [2018-07-23 13:58:25,682 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-07-23 13:58:25,682 INFO L225 Difference]: With dead ends: 175 [2018-07-23 13:58:25,682 INFO L226 Difference]: Without dead ends: 173 [2018-07-23 13:58:25,684 INFO L575 BasicCegarLoop]: 0 DeclaredPredicates, 170 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 169 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 1.3s TimeCoverageRelationStatistics Valid=14535, Invalid=14535, Unknown=0, NotChecked=0, Total=29070 [2018-07-23 13:58:25,684 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 173 states. [2018-07-23 13:58:25,691 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 173 to 173. [2018-07-23 13:58:25,691 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 173 states. [2018-07-23 13:58:25,692 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 173 states to 173 states and 173 transitions. [2018-07-23 13:58:25,692 INFO L78 Accepts]: Start accepts. Automaton has 173 states and 173 transitions. Word has length 171 [2018-07-23 13:58:25,692 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-07-23 13:58:25,692 INFO L471 AbstractCegarLoop]: Abstraction has 173 states and 173 transitions. [2018-07-23 13:58:25,692 INFO L472 AbstractCegarLoop]: Interpolant automaton has 171 states. [2018-07-23 13:58:25,692 INFO L276 IsEmpty]: Start isEmpty. Operand 173 states and 173 transitions. [2018-07-23 13:58:25,692 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 173 [2018-07-23 13:58:25,692 INFO L349 BasicCegarLoop]: Found error trace [2018-07-23 13:58:25,693 INFO L357 BasicCegarLoop]: trace histogram [169, 1, 1, 1] [2018-07-23 13:58:25,693 INFO L414 AbstractCegarLoop]: === Iteration 170 === [mainErr0AssertViolationASSERT]=== [2018-07-23 13:58:25,693 INFO L82 PathProgramCache]: Analyzing trace with hash -2118182778, now seen corresponding path program 169 times [2018-07-23 13:58:25,693 INFO L69 tionRefinementEngine]: Using refinement strategy FixedRefinementStrategy [2018-07-23 13:58:25,940 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-07-23 13:58:27,556 INFO L134 CoverageAnalysis]: Checked inductivity of 14365 backedges. 0 proven. 14365 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-07-23 13:58:27,557 INFO L309 seRefinementStrategy]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2018-07-23 13:58:27,557 INFO L324 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [171] total 171 [2018-07-23 13:58:27,557 INFO L142 lantAutomatonBuilder]: Constructing canonical interpolant automaton, with selfloop in false state [2018-07-23 13:58:27,557 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-07-23 13:58:27,558 INFO L185 omatonBuilderFactory]: Interpolants [75565#false, 75564#true, 75567#(or (<= (select main_a main_x) 1) (= main_x main_y)), 75566#(or (= 0 (select main_a main_x)) (= main_x main_y)), 75569#(or (= main_x main_y) (<= (select main_a main_x) 3)), 75568#(or (= main_x main_y) (<= (select main_a main_x) 2)), 75571#(or (<= (select main_a main_x) 5) (= main_x main_y)), 75570#(or (<= (select main_a main_x) 4) (= main_x main_y)), 75573#(or (<= (select main_a main_x) 7) (= main_x main_y)), 75572#(or (<= (select main_a main_x) 6) (= main_x main_y)), 75575#(or (= main_x main_y) (<= (select main_a main_x) 9)), 75574#(or (<= (select main_a main_x) 8) (= main_x main_y)), 75577#(or (= main_x main_y) (<= (select main_a main_x) 11)), 75576#(or (= main_x main_y) (<= (select main_a main_x) 10)), 75579#(or (= main_x main_y) (<= (select main_a main_x) 13)), 75578#(or (<= (select main_a main_x) 12) (= main_x main_y)), 75581#(or (<= (select main_a main_x) 15) (= main_x main_y)), 75580#(or (<= (select main_a main_x) 14) (= main_x main_y)), 75583#(or (= main_x main_y) (<= (select main_a main_x) 17)), 75582#(or (<= (select main_a main_x) 16) (= main_x main_y)), 75585#(or (<= (select main_a main_x) 19) (= main_x main_y)), 75584#(or (<= (select main_a main_x) 18) (= main_x main_y)), 75587#(or (<= (select main_a main_x) 21) (= main_x main_y)), 75586#(or (= main_x main_y) (<= (select main_a main_x) 20)), 75589#(or (= main_x main_y) (<= (select main_a main_x) 23)), 75588#(or (= main_x main_y) (<= (select main_a main_x) 22)), 75591#(or (= main_x main_y) (<= (select main_a main_x) 25)), 75590#(or (<= (select main_a main_x) 24) (= main_x main_y)), 75593#(or (<= (select main_a main_x) 27) (= main_x main_y)), 75592#(or (<= (select main_a main_x) 26) (= main_x main_y)), 75595#(or (<= (select main_a main_x) 29) (= main_x main_y)), 75594#(or (<= (select main_a main_x) 28) (= main_x main_y)), 75597#(or (<= (select main_a main_x) 31) (= main_x main_y)), 75596#(or (= main_x main_y) (<= (select main_a main_x) 30)), 75599#(or (<= (select main_a main_x) 33) (= main_x main_y)), 75598#(or (<= (select main_a main_x) 32) (= main_x main_y)), 75601#(or (<= (select main_a main_x) 35) (= main_x main_y)), 75600#(or (<= (select main_a main_x) 34) (= main_x main_y)), 75603#(or (<= (select main_a main_x) 37) (= main_x main_y)), 75602#(or (<= (select main_a main_x) 36) (= main_x main_y)), 75605#(or (<= (select main_a main_x) 39) (= main_x main_y)), 75604#(or (<= (select main_a main_x) 38) (= main_x main_y)), 75607#(or (<= (select main_a main_x) 41) (= main_x main_y)), 75606#(or (<= (select main_a main_x) 40) (= main_x main_y)), 75609#(or (= main_x main_y) (<= (select main_a main_x) 43)), 75608#(or (<= (select main_a main_x) 42) (= main_x main_y)), 75611#(or (= main_x main_y) (<= (select main_a main_x) 45)), 75610#(or (= main_x main_y) (<= (select main_a main_x) 44)), 75613#(or (<= (select main_a main_x) 47) (= main_x main_y)), 75612#(or (<= (select main_a main_x) 46) (= main_x main_y)), 75615#(or (<= (select main_a main_x) 49) (= main_x main_y)), 75614#(or (<= (select main_a main_x) 48) (= main_x main_y)), 75617#(or (<= (select main_a main_x) 51) (= main_x main_y)), 75616#(or (<= (select main_a main_x) 50) (= main_x main_y)), 75619#(or (<= (select main_a main_x) 53) (= main_x main_y)), 75618#(or (= main_x main_y) (<= (select main_a main_x) 52)), 75621#(or (<= (select main_a main_x) 55) (= main_x main_y)), 75620#(or (<= (select main_a main_x) 54) (= main_x main_y)), 75623#(or (<= (select main_a main_x) 57) (= main_x main_y)), 75622#(or (= main_x main_y) (<= (select main_a main_x) 56)), 75625#(or (= main_x main_y) (<= (select main_a main_x) 59)), 75624#(or (<= (select main_a main_x) 58) (= main_x main_y)), 75627#(or (= main_x main_y) (<= (select main_a main_x) 61)), 75626#(or (= main_x main_y) (<= (select main_a main_x) 60)), 75629#(or (<= (select main_a main_x) 63) (= main_x main_y)), 75628#(or (<= (select main_a main_x) 62) (= main_x main_y)), 75631#(or (<= (select main_a main_x) 65) (= main_x main_y)), 75630#(or (= main_x main_y) (<= (select main_a main_x) 64)), 75633#(or (<= (select main_a main_x) 67) (= main_x main_y)), 75632#(or (= main_x main_y) (<= (select main_a main_x) 66)), 75635#(or (= main_x main_y) (<= (select main_a main_x) 69)), 75634#(or (= main_x main_y) (<= (select main_a main_x) 68)), 75637#(or (<= (select main_a main_x) 71) (= main_x main_y)), 75636#(or (<= (select main_a main_x) 70) (= main_x main_y)), 75639#(or (<= (select main_a main_x) 73) (= main_x main_y)), 75638#(or (= main_x main_y) (<= (select main_a main_x) 72)), 75641#(or (= main_x main_y) (<= (select main_a main_x) 75)), 75640#(or (= main_x main_y) (<= (select main_a main_x) 74)), 75643#(or (<= (select main_a main_x) 77) (= main_x main_y)), 75642#(or (<= (select main_a main_x) 76) (= main_x main_y)), 75645#(or (<= (select main_a main_x) 79) (= main_x main_y)), 75644#(or (<= (select main_a main_x) 78) (= main_x main_y)), 75647#(or (<= (select 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main_x) 97)), 75662#(or (<= (select main_a main_x) 96) (= main_x main_y)), 75665#(or (<= (select main_a main_x) 99) (= main_x main_y)), 75664#(or (<= (select main_a main_x) 98) (= main_x main_y)), 75667#(or (<= (select main_a main_x) 101) (= main_x main_y)), 75666#(or (<= (select main_a main_x) 100) (= main_x main_y)), 75669#(or (<= (select main_a main_x) 103) (= main_x main_y)), 75668#(or (= main_x main_y) (<= (select main_a main_x) 102)), 75671#(or (= main_x main_y) (<= (select main_a main_x) 105)), 75670#(or (<= (select main_a main_x) 104) (= main_x main_y)), 75673#(or (<= (select main_a main_x) 107) (= main_x main_y)), 75672#(or (= main_x main_y) (<= (select main_a main_x) 106)), 75675#(or (= main_x main_y) (<= (select main_a main_x) 109)), 75674#(or (<= (select main_a main_x) 108) (= main_x main_y)), 75677#(or (<= (select main_a main_x) 111) (= main_x main_y)), 75676#(or (= main_x main_y) (<= (select main_a main_x) 110)), 75679#(or (<= (select main_a main_x) 113) (= main_x 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129)), 75694#(or (= main_x main_y) (<= (select main_a main_x) 128)), 75697#(or (<= (select main_a main_x) 131) (= main_x main_y)), 75696#(or (= main_x main_y) (<= (select main_a main_x) 130)), 75699#(or (= main_x main_y) (<= (select main_a main_x) 133)), 75698#(or (<= (select main_a main_x) 132) (= main_x main_y)), 75701#(or (= main_x main_y) (<= (select main_a main_x) 135)), 75700#(or (= main_x main_y) (<= (select main_a main_x) 134)), 75703#(or (<= (select main_a main_x) 137) (= main_x main_y)), 75702#(or (<= (select main_a main_x) 136) (= main_x main_y)), 75705#(or (= main_x main_y) (<= (select main_a main_x) 139)), 75704#(or (= main_x main_y) (<= (select main_a main_x) 138)), 75707#(or (<= (select main_a main_x) 141) (= main_x main_y)), 75706#(or (<= (select main_a main_x) 140) (= main_x main_y)), 75709#(or (= main_x main_y) (<= (select main_a main_x) 143)), 75708#(or (= main_x main_y) (<= (select main_a main_x) 142)), 75711#(or (= main_x main_y) (<= (select main_a main_x) 145)), 75710#(or (<= (select main_a main_x) 144) (= main_x main_y)), 75713#(or (= main_x main_y) (<= (select main_a main_x) 147)), 75712#(or (<= (select main_a main_x) 146) (= main_x main_y)), 75715#(or (= main_x main_y) (<= (select main_a main_x) 149)), 75714#(or (<= (select main_a main_x) 148) (= main_x main_y)), 75717#(or (<= (select main_a main_x) 151) (= main_x main_y)), 75716#(or (= main_x main_y) (<= (select main_a main_x) 150)), 75719#(or (<= (select main_a main_x) 153) (= main_x main_y)), 75718#(or (<= (select main_a main_x) 152) (= main_x main_y)), 75721#(or (<= (select main_a main_x) 155) (= main_x main_y)), 75720#(or (<= (select main_a main_x) 154) (= main_x main_y)), 75723#(or (<= (select main_a main_x) 157) (= main_x main_y)), 75722#(or (<= (select main_a main_x) 156) (= main_x main_y)), 75725#(or (<= (select main_a main_x) 159) (= main_x main_y)), 75724#(or (<= (select main_a main_x) 158) (= main_x main_y)), 75727#(or (<= (select main_a main_x) 161) (= main_x main_y)), 75726#(or (= main_x main_y) (<= (select main_a main_x) 160)), 75729#(or (<= (select main_a main_x) 163) (= main_x main_y)), 75728#(or (= main_x main_y) (<= (select main_a main_x) 162)), 75731#(or (<= (select main_a main_x) 165) (= main_x main_y)), 75730#(or (<= (select main_a main_x) 164) (= main_x main_y)), 75733#(or (= main_x main_y) (<= (select main_a main_x) 167)), 75732#(or (= main_x main_y) (<= (select main_a main_x) 166)), 75735#(or (not (= (select main_a main_x) 1000)) (= main_x main_y)), 75734#(or (<= (select main_a main_x) 168) (= main_x main_y))] [2018-07-23 13:58:27,558 INFO L134 CoverageAnalysis]: Checked inductivity of 14365 backedges. 0 proven. 14365 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-07-23 13:58:27,558 INFO L450 AbstractCegarLoop]: Interpolant automaton has 172 states [2018-07-23 13:58:27,560 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 172 interpolants. [2018-07-23 13:58:27,561 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=14706, Invalid=14706, Unknown=0, NotChecked=0, Total=29412 [2018-07-23 13:58:27,562 INFO L87 Difference]: Start difference. First operand 173 states and 173 transitions. Second operand 172 states. [2018-07-23 13:58:28,299 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-07-23 13:58:28,299 INFO L93 Difference]: Finished difference Result 176 states and 176 transitions. [2018-07-23 13:58:28,299 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 172 states. [2018-07-23 13:58:28,300 INFO L78 Accepts]: Start accepts. Automaton has 172 states. Word has length 172 [2018-07-23 13:58:28,300 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-07-23 13:58:28,300 INFO L225 Difference]: With dead ends: 176 [2018-07-23 13:58:28,300 INFO L226 Difference]: Without dead ends: 174 [2018-07-23 13:58:28,302 INFO L575 BasicCegarLoop]: 0 DeclaredPredicates, 171 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 170 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 1.4s TimeCoverageRelationStatistics Valid=14706, Invalid=14706, Unknown=0, NotChecked=0, Total=29412 [2018-07-23 13:58:28,302 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 174 states. [2018-07-23 13:58:28,310 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 174 to 174. [2018-07-23 13:58:28,311 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 174 states. [2018-07-23 13:58:28,311 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 174 states to 174 states and 174 transitions. [2018-07-23 13:58:28,311 INFO L78 Accepts]: Start accepts. Automaton has 174 states and 174 transitions. Word has length 172 [2018-07-23 13:58:28,311 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-07-23 13:58:28,311 INFO L471 AbstractCegarLoop]: Abstraction has 174 states and 174 transitions. [2018-07-23 13:58:28,311 INFO L472 AbstractCegarLoop]: Interpolant automaton has 172 states. [2018-07-23 13:58:28,311 INFO L276 IsEmpty]: Start isEmpty. Operand 174 states and 174 transitions. [2018-07-23 13:58:28,312 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 174 [2018-07-23 13:58:28,312 INFO L349 BasicCegarLoop]: Found error trace [2018-07-23 13:58:28,312 INFO L357 BasicCegarLoop]: trace histogram [170, 1, 1, 1] [2018-07-23 13:58:28,312 INFO L414 AbstractCegarLoop]: === Iteration 171 === [mainErr0AssertViolationASSERT]=== [2018-07-23 13:58:28,312 INFO L82 PathProgramCache]: Analyzing trace with hash -1239160544, now seen corresponding path program 170 times [2018-07-23 13:58:28,312 INFO L69 tionRefinementEngine]: Using refinement strategy FixedRefinementStrategy [2018-07-23 13:58:28,550 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-07-23 13:58:30,240 INFO L134 CoverageAnalysis]: Checked inductivity of 14535 backedges. 0 proven. 14535 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-07-23 13:58:30,240 INFO L309 seRefinementStrategy]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2018-07-23 13:58:30,240 INFO L324 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [172] total 172 [2018-07-23 13:58:30,241 INFO L142 lantAutomatonBuilder]: Constructing canonical interpolant automaton, with selfloop in false state [2018-07-23 13:58:30,241 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-07-23 13:58:30,241 INFO L185 omatonBuilderFactory]: Interpolants [76545#(or (<= (select main_a main_x) 107) (= main_x main_y)), 76544#(or (= main_x main_y) (<= (select main_a main_x) 106)), 76547#(or (= main_x main_y) (<= (select main_a main_x) 109)), 76546#(or (<= (select main_a main_x) 108) (= main_x main_y)), 76549#(or (<= (select main_a main_x) 111) (= main_x main_y)), 76548#(or (= main_x main_y) (<= (select main_a main_x) 110)), 76551#(or (<= (select main_a main_x) 113) (= main_x main_y)), 76550#(or (<= (select main_a main_x) 112) (= main_x main_y)), 76553#(or (= main_x main_y) (<= (select main_a main_x) 115)), 76552#(or (= main_x main_y) (<= (select main_a main_x) 114)), 76555#(or (<= (select main_a main_x) 117) (= main_x main_y)), 76554#(or (<= (select main_a main_x) 116) (= main_x main_y)), 76557#(or (= main_x main_y) (<= (select main_a main_x) 119)), 76556#(or (= main_x main_y) (<= (select main_a main_x) 118)), 76559#(or (= main_x main_y) (<= (select main_a main_x) 121)), 76558#(or (<= (select main_a main_x) 120) (= main_x main_y)), 76561#(or (= main_x main_y) (<= (select main_a main_x) 123)), 76560#(or (<= (select main_a main_x) 122) (= main_x main_y)), 76563#(or (<= (select main_a main_x) 125) (= main_x main_y)), 76562#(or (= main_x main_y) (<= (select main_a main_x) 124)), 76565#(or (<= (select main_a main_x) 127) (= main_x main_y)), 76564#(or (= main_x main_y) (<= (select main_a main_x) 126)), 76567#(or (= main_x main_y) (<= (select main_a main_x) 129)), 76566#(or (= main_x main_y) (<= (select main_a main_x) 128)), 76569#(or (<= (select main_a main_x) 131) (= main_x main_y)), 76568#(or (= main_x main_y) (<= (select main_a main_x) 130)), 76571#(or (= main_x main_y) (<= (select main_a main_x) 133)), 76570#(or (<= (select main_a main_x) 132) (= main_x main_y)), 76573#(or (= main_x main_y) (<= (select main_a main_x) 135)), 76572#(or (= main_x main_y) (<= (select main_a main_x) 134)), 76575#(or (<= (select main_a main_x) 137) (= main_x main_y)), 76574#(or (<= (select main_a main_x) 136) (= main_x main_y)), 76577#(or (= main_x main_y) (<= (select main_a main_x) 139)), 76576#(or (= main_x main_y) (<= (select main_a main_x) 138)), 76579#(or (<= (select main_a main_x) 141) (= main_x main_y)), 76578#(or (<= (select main_a main_x) 140) (= main_x main_y)), 76581#(or (= main_x main_y) (<= (select main_a main_x) 143)), 76580#(or (= main_x main_y) (<= (select main_a main_x) 142)), 76583#(or (= main_x main_y) (<= (select main_a main_x) 145)), 76582#(or (<= (select main_a main_x) 144) (= main_x main_y)), 76585#(or (= main_x main_y) (<= (select main_a main_x) 147)), 76584#(or (<= (select main_a main_x) 146) (= main_x main_y)), 76587#(or (= main_x main_y) (<= (select main_a main_x) 149)), 76586#(or (<= (select main_a main_x) 148) (= main_x main_y)), 76589#(or (<= (select main_a main_x) 151) (= main_x main_y)), 76588#(or (= main_x main_y) (<= (select main_a main_x) 150)), 76591#(or (<= (select main_a main_x) 153) (= main_x main_y)), 76590#(or (<= (select main_a main_x) 152) (= main_x main_y)), 76593#(or (<= (select main_a main_x) 155) (= main_x main_y)), 76592#(or (<= (select main_a main_x) 154) (= main_x main_y)), 76595#(or (<= (select main_a main_x) 157) (= main_x main_y)), 76594#(or (<= (select main_a main_x) 156) (= main_x main_y)), 76597#(or (<= (select main_a main_x) 159) (= main_x main_y)), 76596#(or (<= (select main_a main_x) 158) (= main_x main_y)), 76599#(or (<= (select main_a main_x) 161) (= main_x main_y)), 76598#(or (= main_x main_y) (<= (select main_a main_x) 160)), 76601#(or (<= (select main_a main_x) 163) (= main_x main_y)), 76600#(or (= main_x main_y) (<= (select main_a main_x) 162)), 76603#(or (<= (select main_a main_x) 165) (= main_x main_y)), 76602#(or (<= (select main_a main_x) 164) (= main_x main_y)), 76605#(or (= main_x main_y) (<= (select main_a main_x) 167)), 76604#(or (= main_x main_y) (<= (select main_a main_x) 166)), 76607#(or (= main_x main_y) (<= (select main_a main_x) 169)), 76606#(or (<= (select main_a main_x) 168) (= main_x main_y)), 76608#(or (not (= (select main_a main_x) 1000)) (= main_x main_y)), 76437#false, 76436#true, 76439#(or (<= (select main_a main_x) 1) (= main_x main_y)), 76438#(or (= 0 (select main_a main_x)) (= main_x main_y)), 76441#(or (= main_x main_y) (<= (select main_a main_x) 3)), 76440#(or (= main_x main_y) (<= (select main_a main_x) 2)), 76443#(or (<= (select main_a main_x) 5) (= main_x main_y)), 76442#(or (<= (select main_a main_x) 4) (= main_x main_y)), 76445#(or (<= (select main_a main_x) 7) (= main_x main_y)), 76444#(or (<= (select main_a main_x) 6) (= main_x main_y)), 76447#(or (= main_x main_y) (<= (select main_a main_x) 9)), 76446#(or (<= (select main_a main_x) 8) (= main_x main_y)), 76449#(or (= main_x main_y) (<= (select main_a main_x) 11)), 76448#(or (= main_x main_y) (<= (select main_a main_x) 10)), 76451#(or (= main_x main_y) (<= (select main_a main_x) 13)), 76450#(or (<= (select main_a main_x) 12) (= main_x main_y)), 76453#(or (<= (select main_a main_x) 15) (= main_x main_y)), 76452#(or (<= (select main_a main_x) 14) (= main_x main_y)), 76455#(or (= main_x main_y) (<= (select main_a main_x) 17)), 76454#(or (<= (select main_a main_x) 16) (= main_x main_y)), 76457#(or (<= (select main_a main_x) 19) (= main_x main_y)), 76456#(or (<= (select main_a main_x) 18) (= main_x main_y)), 76459#(or (<= (select main_a main_x) 21) (= main_x main_y)), 76458#(or (= main_x main_y) (<= (select main_a main_x) 20)), 76461#(or (= main_x main_y) (<= (select main_a main_x) 23)), 76460#(or (= main_x main_y) (<= (select main_a main_x) 22)), 76463#(or (= main_x main_y) (<= (select main_a main_x) 25)), 76462#(or (<= (select main_a main_x) 24) (= main_x main_y)), 76465#(or (<= (select main_a main_x) 27) (= main_x main_y)), 76464#(or (<= (select main_a main_x) 26) (= main_x main_y)), 76467#(or (<= (select main_a main_x) 29) (= main_x main_y)), 76466#(or (<= (select main_a main_x) 28) (= main_x main_y)), 76469#(or (<= (select main_a main_x) 31) (= main_x main_y)), 76468#(or (= main_x main_y) (<= (select main_a main_x) 30)), 76471#(or (<= (select main_a main_x) 33) (= main_x main_y)), 76470#(or (<= (select main_a main_x) 32) (= main_x main_y)), 76473#(or (<= (select main_a main_x) 35) (= main_x main_y)), 76472#(or (<= (select main_a main_x) 34) (= main_x main_y)), 76475#(or (<= (select main_a main_x) 37) (= main_x main_y)), 76474#(or (<= (select main_a main_x) 36) (= main_x main_y)), 76477#(or (<= (select main_a main_x) 39) (= main_x main_y)), 76476#(or (<= (select main_a main_x) 38) (= main_x main_y)), 76479#(or (<= (select main_a main_x) 41) (= main_x main_y)), 76478#(or (<= (select main_a main_x) 40) (= main_x main_y)), 76481#(or (= main_x main_y) (<= (select main_a main_x) 43)), 76480#(or (<= (select main_a main_x) 42) (= main_x main_y)), 76483#(or (= main_x main_y) (<= (select main_a main_x) 45)), 76482#(or (= main_x main_y) (<= (select main_a main_x) 44)), 76485#(or (<= (select main_a main_x) 47) (= main_x main_y)), 76484#(or (<= (select main_a main_x) 46) (= main_x main_y)), 76487#(or (<= (select main_a main_x) 49) (= main_x main_y)), 76486#(or (<= (select main_a main_x) 48) (= main_x main_y)), 76489#(or (<= (select main_a main_x) 51) (= main_x main_y)), 76488#(or (<= (select main_a main_x) 50) (= main_x main_y)), 76491#(or (<= (select main_a main_x) 53) (= main_x main_y)), 76490#(or (= main_x main_y) (<= (select main_a main_x) 52)), 76493#(or (<= (select main_a main_x) 55) (= main_x main_y)), 76492#(or (<= (select main_a main_x) 54) (= main_x main_y)), 76495#(or (<= (select main_a main_x) 57) (= main_x main_y)), 76494#(or (= main_x main_y) (<= (select main_a main_x) 56)), 76497#(or (= main_x main_y) (<= (select main_a main_x) 59)), 76496#(or (<= (select main_a main_x) 58) (= main_x main_y)), 76499#(or (= main_x main_y) (<= (select main_a main_x) 61)), 76498#(or (= main_x main_y) (<= (select main_a main_x) 60)), 76501#(or (<= (select main_a main_x) 63) (= main_x main_y)), 76500#(or (<= (select main_a main_x) 62) (= main_x main_y)), 76503#(or (<= (select main_a main_x) 65) (= main_x main_y)), 76502#(or (= main_x main_y) (<= (select main_a main_x) 64)), 76505#(or (<= (select main_a main_x) 67) (= main_x main_y)), 76504#(or (= main_x main_y) (<= (select main_a main_x) 66)), 76507#(or (= main_x main_y) (<= (select main_a main_x) 69)), 76506#(or (= main_x main_y) (<= (select main_a main_x) 68)), 76509#(or (<= (select main_a main_x) 71) (= main_x main_y)), 76508#(or (<= (select main_a main_x) 70) (= main_x main_y)), 76511#(or (<= (select main_a main_x) 73) (= main_x main_y)), 76510#(or (= main_x main_y) (<= (select main_a main_x) 72)), 76513#(or (= main_x main_y) (<= (select main_a main_x) 75)), 76512#(or (= main_x main_y) (<= (select main_a main_x) 74)), 76515#(or (<= (select main_a main_x) 77) (= main_x main_y)), 76514#(or (<= (select main_a main_x) 76) (= main_x main_y)), 76517#(or (<= (select main_a main_x) 79) (= main_x main_y)), 76516#(or (<= (select main_a main_x) 78) (= main_x main_y)), 76519#(or (<= (select main_a main_x) 81) (= main_x main_y)), 76518#(or (<= (select main_a main_x) 80) (= main_x main_y)), 76521#(or (= main_x main_y) (<= (select main_a main_x) 83)), 76520#(or (<= (select main_a main_x) 82) (= main_x main_y)), 76523#(or (<= (select main_a main_x) 85) (= main_x main_y)), 76522#(or (<= (select main_a main_x) 84) (= main_x main_y)), 76525#(or (<= (select main_a main_x) 87) (= main_x main_y)), 76524#(or (<= (select main_a main_x) 86) (= main_x main_y)), 76527#(or (<= (select main_a main_x) 89) (= main_x main_y)), 76526#(or (<= (select main_a main_x) 88) (= main_x main_y)), 76529#(or (= main_x main_y) (<= (select main_a main_x) 91)), 76528#(or (<= (select main_a main_x) 90) (= main_x main_y)), 76531#(or (<= (select main_a main_x) 93) (= main_x main_y)), 76530#(or (<= (select main_a main_x) 92) (= main_x main_y)), 76533#(or (<= (select main_a main_x) 95) (= main_x main_y)), 76532#(or (= main_x main_y) (<= (select main_a main_x) 94)), 76535#(or (= main_x main_y) (<= (select main_a main_x) 97)), 76534#(or (<= (select main_a main_x) 96) (= main_x main_y)), 76537#(or (<= (select main_a main_x) 99) (= main_x main_y)), 76536#(or (<= (select main_a main_x) 98) (= main_x main_y)), 76539#(or (<= (select main_a main_x) 101) (= main_x main_y)), 76538#(or (<= (select main_a main_x) 100) (= main_x main_y)), 76541#(or (<= (select main_a main_x) 103) (= main_x main_y)), 76540#(or (= main_x main_y) (<= (select main_a main_x) 102)), 76543#(or (= main_x main_y) (<= (select main_a main_x) 105)), 76542#(or (<= (select main_a main_x) 104) (= main_x main_y))] [2018-07-23 13:58:30,242 INFO L134 CoverageAnalysis]: Checked inductivity of 14535 backedges. 0 proven. 14535 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-07-23 13:58:30,243 INFO L450 AbstractCegarLoop]: Interpolant automaton has 173 states [2018-07-23 13:58:30,244 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 173 interpolants. [2018-07-23 13:58:30,245 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=14878, Invalid=14878, Unknown=0, NotChecked=0, Total=29756 [2018-07-23 13:58:30,245 INFO L87 Difference]: Start difference. First operand 174 states and 174 transitions. Second operand 173 states. [2018-07-23 13:58:30,480 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-07-23 13:58:30,481 INFO L93 Difference]: Finished difference Result 177 states and 177 transitions. [2018-07-23 13:58:30,481 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 173 states. [2018-07-23 13:58:30,481 INFO L78 Accepts]: Start accepts. Automaton has 173 states. Word has length 173 [2018-07-23 13:58:30,481 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-07-23 13:58:30,481 INFO L225 Difference]: With dead ends: 177 [2018-07-23 13:58:30,481 INFO L226 Difference]: Without dead ends: 175 [2018-07-23 13:58:30,483 INFO L575 BasicCegarLoop]: 0 DeclaredPredicates, 172 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 171 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 1.5s TimeCoverageRelationStatistics Valid=14878, Invalid=14878, Unknown=0, NotChecked=0, Total=29756 [2018-07-23 13:58:30,483 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 175 states. [2018-07-23 13:58:30,492 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 175 to 175. [2018-07-23 13:58:30,492 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 175 states. [2018-07-23 13:58:30,492 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 175 states to 175 states and 175 transitions. [2018-07-23 13:58:30,492 INFO L78 Accepts]: Start accepts. Automaton has 175 states and 175 transitions. Word has length 173 [2018-07-23 13:58:30,492 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-07-23 13:58:30,492 INFO L471 AbstractCegarLoop]: Abstraction has 175 states and 175 transitions. [2018-07-23 13:58:30,493 INFO L472 AbstractCegarLoop]: Interpolant automaton has 173 states. [2018-07-23 13:58:30,493 INFO L276 IsEmpty]: Start isEmpty. Operand 175 states and 175 transitions. [2018-07-23 13:58:30,493 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 175 [2018-07-23 13:58:30,493 INFO L349 BasicCegarLoop]: Found error trace [2018-07-23 13:58:30,493 INFO L357 BasicCegarLoop]: trace histogram [171, 1, 1, 1] [2018-07-23 13:58:30,493 INFO L414 AbstractCegarLoop]: === Iteration 172 === [mainErr0AssertViolationASSERT]=== [2018-07-23 13:58:30,493 INFO L82 PathProgramCache]: Analyzing trace with hash 240724934, now seen corresponding path program 171 times [2018-07-23 13:58:30,494 INFO L69 tionRefinementEngine]: Using refinement strategy FixedRefinementStrategy [2018-07-23 13:58:30,734 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-07-23 13:58:32,388 INFO L134 CoverageAnalysis]: Checked inductivity of 14706 backedges. 0 proven. 14706 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-07-23 13:58:32,388 INFO L309 seRefinementStrategy]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2018-07-23 13:58:32,388 INFO L324 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [173] total 173 [2018-07-23 13:58:32,388 INFO L142 lantAutomatonBuilder]: Constructing canonical interpolant automaton, with selfloop in false state [2018-07-23 13:58:32,388 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-07-23 13:58:32,389 INFO L185 omatonBuilderFactory]: Interpolants [77313#true, 77315#(or (= 0 (select main_a main_x)) (= main_x main_y)), 77314#false, 77317#(or (= main_x main_y) (<= (select main_a main_x) 2)), 77316#(or (<= (select main_a main_x) 1) (= main_x main_y)), 77319#(or (<= (select main_a main_x) 4) (= main_x main_y)), 77318#(or (= main_x main_y) (<= (select main_a main_x) 3)), 77321#(or (<= (select main_a main_x) 6) (= main_x main_y)), 77320#(or (<= (select main_a main_x) 5) (= main_x main_y)), 77323#(or (<= (select main_a main_x) 8) (= main_x main_y)), 77322#(or (<= (select main_a main_x) 7) (= main_x main_y)), 77325#(or (= main_x main_y) (<= (select main_a main_x) 10)), 77324#(or (= main_x main_y) (<= (select main_a main_x) 9)), 77327#(or (<= (select main_a main_x) 12) (= main_x main_y)), 77326#(or (= main_x main_y) (<= (select main_a main_x) 11)), 77329#(or (<= (select main_a main_x) 14) (= main_x main_y)), 77328#(or (= main_x main_y) (<= (select main_a main_x) 13)), 77331#(or (<= (select main_a main_x) 16) (= main_x main_y)), 77330#(or (<= (select main_a main_x) 15) (= main_x main_y)), 77333#(or (<= (select main_a main_x) 18) (= main_x main_y)), 77332#(or (= main_x main_y) (<= (select main_a main_x) 17)), 77335#(or (= main_x main_y) (<= (select main_a main_x) 20)), 77334#(or (<= (select main_a main_x) 19) (= main_x main_y)), 77337#(or (= main_x main_y) (<= (select main_a main_x) 22)), 77336#(or (<= (select main_a main_x) 21) (= main_x main_y)), 77339#(or (<= (select main_a main_x) 24) (= main_x main_y)), 77338#(or (= main_x main_y) (<= (select main_a main_x) 23)), 77341#(or (<= (select main_a main_x) 26) (= main_x main_y)), 77340#(or (= main_x main_y) (<= (select main_a main_x) 25)), 77343#(or (<= (select main_a main_x) 28) (= main_x main_y)), 77342#(or (<= (select main_a main_x) 27) (= main_x main_y)), 77345#(or (= main_x main_y) (<= (select main_a main_x) 30)), 77344#(or (<= (select main_a main_x) 29) (= main_x main_y)), 77347#(or (<= (select main_a main_x) 32) (= main_x main_y)), 77346#(or (<= (select main_a main_x) 31) (= main_x main_y)), 77349#(or (<= (select main_a main_x) 34) (= main_x main_y)), 77348#(or (<= (select main_a main_x) 33) (= main_x main_y)), 77351#(or (<= (select main_a main_x) 36) (= main_x main_y)), 77350#(or (<= (select main_a main_x) 35) (= main_x main_y)), 77353#(or (<= (select main_a main_x) 38) (= main_x main_y)), 77352#(or (<= (select main_a main_x) 37) (= main_x main_y)), 77355#(or (<= (select main_a main_x) 40) (= main_x main_y)), 77354#(or (<= (select main_a main_x) 39) (= main_x main_y)), 77357#(or (<= (select main_a main_x) 42) (= main_x main_y)), 77356#(or (<= (select main_a main_x) 41) (= main_x main_y)), 77359#(or (= main_x main_y) (<= (select main_a main_x) 44)), 77358#(or (= main_x main_y) (<= (select main_a main_x) 43)), 77361#(or (<= (select main_a main_x) 46) (= main_x main_y)), 77360#(or (= main_x main_y) (<= (select main_a main_x) 45)), 77363#(or (<= (select main_a main_x) 48) (= main_x main_y)), 77362#(or (<= (select main_a main_x) 47) (= main_x main_y)), 77365#(or (<= (select main_a main_x) 50) (= main_x main_y)), 77364#(or (<= (select main_a main_x) 49) (= main_x main_y)), 77367#(or (= main_x main_y) (<= (select main_a main_x) 52)), 77366#(or (<= (select main_a main_x) 51) (= main_x main_y)), 77369#(or (<= (select main_a main_x) 54) (= main_x main_y)), 77368#(or (<= (select main_a main_x) 53) (= main_x main_y)), 77371#(or (= main_x main_y) (<= (select main_a main_x) 56)), 77370#(or (<= (select main_a main_x) 55) (= main_x main_y)), 77373#(or (<= (select main_a main_x) 58) (= main_x main_y)), 77372#(or (<= (select main_a main_x) 57) (= main_x main_y)), 77375#(or (= main_x main_y) (<= (select main_a main_x) 60)), 77374#(or (= main_x main_y) (<= (select main_a main_x) 59)), 77377#(or (<= (select main_a main_x) 62) (= main_x main_y)), 77376#(or (= main_x main_y) (<= (select main_a main_x) 61)), 77379#(or (= main_x main_y) (<= (select main_a main_x) 64)), 77378#(or (<= (select main_a main_x) 63) (= main_x main_y)), 77381#(or (= main_x main_y) (<= (select main_a main_x) 66)), 77380#(or (<= (select main_a main_x) 65) (= main_x main_y)), 77383#(or (= main_x main_y) (<= (select main_a main_x) 68)), 77382#(or (<= (select main_a main_x) 67) (= main_x main_y)), 77385#(or (<= (select main_a main_x) 70) (= main_x main_y)), 77384#(or (= main_x main_y) (<= (select main_a main_x) 69)), 77387#(or (= main_x main_y) (<= (select main_a main_x) 72)), 77386#(or (<= (select main_a main_x) 71) (= main_x main_y)), 77389#(or (= main_x main_y) (<= (select main_a main_x) 74)), 77388#(or (<= (select main_a main_x) 73) (= main_x main_y)), 77391#(or (<= (select main_a main_x) 76) (= main_x main_y)), 77390#(or (= main_x main_y) (<= (select main_a main_x) 75)), 77393#(or (<= (select main_a main_x) 78) (= main_x main_y)), 77392#(or (<= (select main_a main_x) 77) (= main_x main_y)), 77395#(or (<= (select main_a main_x) 80) (= main_x main_y)), 77394#(or (<= (select main_a main_x) 79) (= main_x main_y)), 77397#(or (<= (select main_a main_x) 82) (= main_x main_y)), 77396#(or (<= (select main_a main_x) 81) (= main_x main_y)), 77399#(or (<= (select main_a main_x) 84) (= main_x main_y)), 77398#(or (= main_x main_y) (<= (select main_a main_x) 83)), 77401#(or (<= (select main_a main_x) 86) (= main_x main_y)), 77400#(or (<= (select main_a main_x) 85) (= main_x main_y)), 77403#(or (<= (select main_a main_x) 88) (= main_x main_y)), 77402#(or (<= (select main_a main_x) 87) (= main_x main_y)), 77405#(or (<= (select main_a main_x) 90) (= main_x main_y)), 77404#(or (<= (select main_a main_x) 89) (= main_x main_y)), 77407#(or (<= (select main_a main_x) 92) (= main_x main_y)), 77406#(or (= main_x main_y) (<= (select main_a main_x) 91)), 77409#(or (= main_x main_y) (<= (select main_a main_x) 94)), 77408#(or (<= (select main_a main_x) 93) (= main_x main_y)), 77411#(or (<= (select main_a main_x) 96) (= main_x main_y)), 77410#(or (<= (select main_a main_x) 95) (= main_x main_y)), 77413#(or (<= (select main_a main_x) 98) (= main_x main_y)), 77412#(or (= main_x main_y) (<= (select main_a main_x) 97)), 77415#(or (<= (select main_a main_x) 100) (= main_x main_y)), 77414#(or (<= (select main_a main_x) 99) (= main_x main_y)), 77417#(or (= main_x main_y) (<= (select main_a main_x) 102)), 77416#(or (<= (select main_a main_x) 101) (= main_x main_y)), 77419#(or (<= (select main_a main_x) 104) (= main_x main_y)), 77418#(or (<= (select main_a main_x) 103) (= main_x main_y)), 77421#(or (= main_x main_y) (<= (select main_a main_x) 106)), 77420#(or (= main_x main_y) (<= (select main_a main_x) 105)), 77423#(or (<= (select main_a main_x) 108) (= main_x main_y)), 77422#(or (<= (select main_a main_x) 107) (= main_x main_y)), 77425#(or (= main_x main_y) (<= (select main_a main_x) 110)), 77424#(or (= main_x main_y) (<= (select main_a main_x) 109)), 77427#(or (<= (select main_a main_x) 112) (= main_x main_y)), 77426#(or (<= (select main_a main_x) 111) (= main_x main_y)), 77429#(or (= main_x main_y) (<= (select main_a main_x) 114)), 77428#(or (<= (select main_a main_x) 113) (= main_x main_y)), 77431#(or (<= (select main_a main_x) 116) (= main_x main_y)), 77430#(or (= main_x main_y) (<= (select main_a main_x) 115)), 77433#(or (= main_x main_y) (<= (select main_a main_x) 118)), 77432#(or (<= (select main_a main_x) 117) (= main_x main_y)), 77435#(or (<= (select main_a main_x) 120) (= main_x main_y)), 77434#(or (= main_x main_y) (<= (select main_a main_x) 119)), 77437#(or (<= (select main_a main_x) 122) (= main_x main_y)), 77436#(or (= main_x main_y) (<= (select main_a main_x) 121)), 77439#(or (= main_x main_y) (<= (select main_a main_x) 124)), 77438#(or (= main_x main_y) (<= (select main_a main_x) 123)), 77441#(or (= main_x main_y) (<= (select main_a main_x) 126)), 77440#(or (<= (select main_a main_x) 125) (= main_x main_y)), 77443#(or (= main_x main_y) (<= (select main_a main_x) 128)), 77442#(or (<= (select main_a main_x) 127) (= main_x main_y)), 77445#(or (= main_x main_y) (<= (select main_a main_x) 130)), 77444#(or (= main_x main_y) (<= (select main_a main_x) 129)), 77447#(or (<= (select main_a main_x) 132) (= main_x main_y)), 77446#(or (<= (select main_a main_x) 131) (= main_x main_y)), 77449#(or (= main_x main_y) (<= (select main_a main_x) 134)), 77448#(or (= main_x main_y) (<= (select main_a main_x) 133)), 77451#(or (<= (select main_a main_x) 136) (= main_x main_y)), 77450#(or (= main_x main_y) (<= (select main_a main_x) 135)), 77453#(or (= main_x main_y) (<= (select main_a main_x) 138)), 77452#(or (<= (select main_a main_x) 137) (= main_x main_y)), 77455#(or (<= (select main_a main_x) 140) (= main_x main_y)), 77454#(or (= main_x main_y) (<= (select main_a main_x) 139)), 77457#(or (= main_x main_y) (<= (select main_a main_x) 142)), 77456#(or (<= (select main_a main_x) 141) (= main_x main_y)), 77459#(or (<= (select main_a main_x) 144) (= main_x main_y)), 77458#(or (= main_x main_y) (<= (select main_a main_x) 143)), 77461#(or (<= (select main_a main_x) 146) (= main_x main_y)), 77460#(or (= main_x main_y) (<= (select main_a main_x) 145)), 77463#(or (<= (select main_a main_x) 148) (= main_x main_y)), 77462#(or (= main_x main_y) (<= (select main_a main_x) 147)), 77465#(or (= main_x main_y) (<= (select main_a main_x) 150)), 77464#(or (= main_x main_y) (<= (select main_a main_x) 149)), 77467#(or (<= (select main_a main_x) 152) (= main_x main_y)), 77466#(or (<= (select main_a main_x) 151) (= main_x main_y)), 77469#(or (<= (select main_a main_x) 154) (= main_x main_y)), 77468#(or (<= (select main_a main_x) 153) (= main_x main_y)), 77471#(or (<= (select main_a main_x) 156) (= main_x main_y)), 77470#(or (<= (select main_a main_x) 155) (= main_x main_y)), 77473#(or (<= (select main_a main_x) 158) (= main_x main_y)), 77472#(or (<= (select main_a main_x) 157) (= main_x main_y)), 77475#(or (= main_x main_y) (<= (select main_a main_x) 160)), 77474#(or (<= (select main_a main_x) 159) (= main_x main_y)), 77477#(or (= main_x main_y) (<= (select main_a main_x) 162)), 77476#(or (<= (select main_a main_x) 161) (= main_x main_y)), 77479#(or (<= (select main_a main_x) 164) (= main_x main_y)), 77478#(or (<= (select main_a main_x) 163) (= main_x main_y)), 77481#(or (= main_x main_y) (<= (select main_a main_x) 166)), 77480#(or (<= (select main_a main_x) 165) (= main_x main_y)), 77483#(or (<= (select main_a main_x) 168) (= main_x main_y)), 77482#(or (= main_x main_y) (<= (select main_a main_x) 167)), 77485#(or (= main_x main_y) (<= (select main_a main_x) 170)), 77484#(or (= main_x main_y) (<= (select main_a main_x) 169)), 77486#(or (not (= (select main_a main_x) 1000)) (= main_x main_y))] [2018-07-23 13:58:32,389 INFO L134 CoverageAnalysis]: Checked inductivity of 14706 backedges. 0 proven. 14706 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-07-23 13:58:32,390 INFO L450 AbstractCegarLoop]: Interpolant automaton has 174 states [2018-07-23 13:58:32,391 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 174 interpolants. [2018-07-23 13:58:32,393 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=15051, Invalid=15051, Unknown=0, NotChecked=0, Total=30102 [2018-07-23 13:58:32,393 INFO L87 Difference]: Start difference. First operand 175 states and 175 transitions. Second operand 174 states. [2018-07-23 13:58:33,229 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-07-23 13:58:33,229 INFO L93 Difference]: Finished difference Result 178 states and 178 transitions. [2018-07-23 13:58:33,229 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 174 states. [2018-07-23 13:58:33,229 INFO L78 Accepts]: Start accepts. Automaton has 174 states. Word has length 174 [2018-07-23 13:58:33,229 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-07-23 13:58:33,230 INFO L225 Difference]: With dead ends: 178 [2018-07-23 13:58:33,230 INFO L226 Difference]: Without dead ends: 176 [2018-07-23 13:58:33,232 INFO L575 BasicCegarLoop]: 0 DeclaredPredicates, 173 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 172 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 1.4s TimeCoverageRelationStatistics Valid=15051, Invalid=15051, Unknown=0, NotChecked=0, Total=30102 [2018-07-23 13:58:33,232 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 176 states. [2018-07-23 13:58:33,241 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 176 to 176. [2018-07-23 13:58:33,241 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 176 states. [2018-07-23 13:58:33,241 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 176 states to 176 states and 176 transitions. [2018-07-23 13:58:33,241 INFO L78 Accepts]: Start accepts. Automaton has 176 states and 176 transitions. Word has length 174 [2018-07-23 13:58:33,241 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-07-23 13:58:33,241 INFO L471 AbstractCegarLoop]: Abstraction has 176 states and 176 transitions. [2018-07-23 13:58:33,241 INFO L472 AbstractCegarLoop]: Interpolant automaton has 174 states. [2018-07-23 13:58:33,242 INFO L276 IsEmpty]: Start isEmpty. Operand 176 states and 176 transitions. [2018-07-23 13:58:33,242 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 176 [2018-07-23 13:58:33,242 INFO L349 BasicCegarLoop]: Found error trace [2018-07-23 13:58:33,242 INFO L357 BasicCegarLoop]: trace histogram [172, 1, 1, 1] [2018-07-23 13:58:33,242 INFO L414 AbstractCegarLoop]: === Iteration 173 === [mainErr0AssertViolationASSERT]=== [2018-07-23 13:58:33,242 INFO L82 PathProgramCache]: Analyzing trace with hash -1127465504, now seen corresponding path program 172 times [2018-07-23 13:58:33,242 INFO L69 tionRefinementEngine]: Using refinement strategy FixedRefinementStrategy [2018-07-23 13:58:33,487 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-07-23 13:58:35,190 INFO L134 CoverageAnalysis]: Checked inductivity of 14878 backedges. 0 proven. 14878 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-07-23 13:58:35,190 INFO L309 seRefinementStrategy]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2018-07-23 13:58:35,190 INFO L324 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [174] total 174 [2018-07-23 13:58:35,190 INFO L142 lantAutomatonBuilder]: Constructing canonical interpolant automaton, with selfloop in false state [2018-07-23 13:58:35,191 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-07-23 13:58:35,191 INFO L185 omatonBuilderFactory]: Interpolants [78337#(or (<= (select main_a main_x) 140) (= main_x main_y)), 78336#(or (= main_x main_y) (<= (select main_a main_x) 139)), 78339#(or (= main_x main_y) (<= (select main_a main_x) 142)), 78338#(or (<= (select main_a main_x) 141) (= main_x main_y)), 78341#(or (<= (select main_a main_x) 144) (= main_x main_y)), 78340#(or (= main_x main_y) (<= (select main_a main_x) 143)), 78343#(or (<= (select main_a main_x) 146) (= main_x main_y)), 78342#(or (= main_x main_y) (<= (select main_a main_x) 145)), 78345#(or (<= (select main_a main_x) 148) (= main_x main_y)), 78344#(or (= main_x main_y) (<= (select main_a main_x) 147)), 78347#(or (= main_x main_y) (<= (select main_a main_x) 150)), 78346#(or (= main_x main_y) (<= (select main_a main_x) 149)), 78349#(or (<= (select main_a main_x) 152) (= main_x main_y)), 78348#(or (<= (select main_a main_x) 151) (= main_x main_y)), 78351#(or (<= (select main_a main_x) 154) (= main_x main_y)), 78350#(or (<= (select main_a main_x) 153) (= main_x main_y)), 78353#(or (<= (select main_a main_x) 156) (= main_x main_y)), 78352#(or (<= (select main_a main_x) 155) (= main_x main_y)), 78355#(or (<= (select main_a main_x) 158) (= main_x main_y)), 78354#(or (<= (select main_a main_x) 157) (= main_x main_y)), 78357#(or (= main_x main_y) (<= (select main_a main_x) 160)), 78356#(or (<= (select main_a main_x) 159) (= main_x main_y)), 78359#(or (= main_x main_y) (<= (select main_a main_x) 162)), 78358#(or (<= (select main_a main_x) 161) (= main_x main_y)), 78361#(or (<= (select main_a main_x) 164) (= main_x main_y)), 78360#(or (<= (select main_a main_x) 163) (= main_x main_y)), 78363#(or (= main_x main_y) (<= (select main_a main_x) 166)), 78362#(or (<= (select main_a main_x) 165) (= main_x main_y)), 78365#(or (<= (select main_a main_x) 168) (= main_x main_y)), 78364#(or (= main_x main_y) (<= (select main_a main_x) 167)), 78367#(or (= main_x main_y) (<= (select main_a main_x) 170)), 78366#(or (= main_x main_y) (<= (select main_a main_x) 169)), 78369#(or (not (= (select main_a main_x) 1000)) (= main_x main_y)), 78368#(or (= main_x main_y) (<= (select main_a main_x) 171)), 78195#true, 78197#(or (= 0 (select main_a main_x)) (= main_x main_y)), 78196#false, 78199#(or (= main_x main_y) (<= (select main_a main_x) 2)), 78198#(or (<= (select main_a main_x) 1) (= main_x main_y)), 78201#(or (<= (select main_a main_x) 4) (= main_x main_y)), 78200#(or (= main_x main_y) (<= (select main_a main_x) 3)), 78203#(or (<= (select main_a main_x) 6) (= main_x main_y)), 78202#(or (<= (select main_a main_x) 5) (= main_x main_y)), 78205#(or (<= (select main_a main_x) 8) (= main_x main_y)), 78204#(or (<= (select main_a main_x) 7) (= main_x main_y)), 78207#(or (= main_x main_y) (<= (select main_a main_x) 10)), 78206#(or (= main_x main_y) (<= (select main_a main_x) 9)), 78209#(or (<= (select main_a main_x) 12) (= main_x main_y)), 78208#(or (= main_x main_y) (<= (select main_a main_x) 11)), 78211#(or (<= (select main_a main_x) 14) (= main_x main_y)), 78210#(or (= main_x main_y) (<= (select main_a main_x) 13)), 78213#(or (<= (select main_a main_x) 16) (= main_x main_y)), 78212#(or (<= (select main_a main_x) 15) (= main_x main_y)), 78215#(or (<= (select main_a main_x) 18) (= main_x main_y)), 78214#(or (= main_x main_y) (<= (select main_a main_x) 17)), 78217#(or (= main_x main_y) (<= (select main_a main_x) 20)), 78216#(or (<= (select main_a main_x) 19) (= main_x main_y)), 78219#(or (= main_x main_y) (<= (select main_a main_x) 22)), 78218#(or (<= (select main_a main_x) 21) (= main_x main_y)), 78221#(or (<= (select main_a main_x) 24) (= main_x main_y)), 78220#(or (= main_x main_y) (<= (select main_a main_x) 23)), 78223#(or (<= (select main_a main_x) 26) (= main_x main_y)), 78222#(or (= main_x main_y) (<= (select main_a main_x) 25)), 78225#(or (<= (select main_a main_x) 28) (= main_x main_y)), 78224#(or (<= (select main_a main_x) 27) (= main_x main_y)), 78227#(or (= main_x main_y) (<= (select main_a main_x) 30)), 78226#(or (<= (select main_a main_x) 29) (= main_x main_y)), 78229#(or (<= (select main_a main_x) 32) (= main_x main_y)), 78228#(or (<= (select main_a main_x) 31) (= main_x main_y)), 78231#(or (<= (select main_a main_x) 34) (= main_x main_y)), 78230#(or (<= (select main_a main_x) 33) (= main_x main_y)), 78233#(or (<= (select main_a main_x) 36) (= main_x main_y)), 78232#(or (<= (select main_a main_x) 35) (= main_x main_y)), 78235#(or (<= (select main_a main_x) 38) (= main_x main_y)), 78234#(or (<= (select main_a main_x) 37) (= main_x main_y)), 78237#(or (<= (select main_a main_x) 40) (= main_x main_y)), 78236#(or (<= (select main_a main_x) 39) (= main_x main_y)), 78239#(or (<= (select main_a main_x) 42) (= main_x main_y)), 78238#(or (<= (select main_a main_x) 41) (= main_x main_y)), 78241#(or (= main_x main_y) (<= (select main_a main_x) 44)), 78240#(or (= main_x main_y) (<= (select main_a main_x) 43)), 78243#(or (<= (select main_a main_x) 46) (= main_x main_y)), 78242#(or (= main_x main_y) (<= (select main_a main_x) 45)), 78245#(or (<= (select main_a main_x) 48) (= main_x main_y)), 78244#(or (<= (select main_a main_x) 47) (= main_x main_y)), 78247#(or (<= (select main_a main_x) 50) (= main_x main_y)), 78246#(or (<= (select main_a main_x) 49) (= main_x main_y)), 78249#(or (= main_x main_y) (<= (select main_a main_x) 52)), 78248#(or (<= (select main_a main_x) 51) (= main_x main_y)), 78251#(or (<= (select main_a main_x) 54) (= main_x main_y)), 78250#(or (<= (select main_a main_x) 53) (= main_x main_y)), 78253#(or (= main_x main_y) (<= (select main_a main_x) 56)), 78252#(or (<= (select main_a main_x) 55) (= main_x main_y)), 78255#(or (<= (select main_a main_x) 58) (= main_x main_y)), 78254#(or (<= (select main_a main_x) 57) (= main_x main_y)), 78257#(or (= main_x main_y) (<= (select main_a main_x) 60)), 78256#(or (= main_x main_y) (<= (select main_a main_x) 59)), 78259#(or (<= (select main_a main_x) 62) (= main_x main_y)), 78258#(or (= main_x main_y) (<= (select main_a main_x) 61)), 78261#(or (= main_x main_y) (<= (select main_a main_x) 64)), 78260#(or (<= (select main_a main_x) 63) (= main_x main_y)), 78263#(or (= main_x main_y) (<= (select main_a main_x) 66)), 78262#(or (<= (select main_a main_x) 65) (= main_x main_y)), 78265#(or (= main_x main_y) (<= (select main_a main_x) 68)), 78264#(or (<= (select main_a main_x) 67) (= main_x main_y)), 78267#(or (<= (select main_a main_x) 70) (= main_x main_y)), 78266#(or (= main_x main_y) (<= (select main_a main_x) 69)), 78269#(or (= main_x main_y) (<= (select main_a main_x) 72)), 78268#(or (<= (select main_a main_x) 71) (= main_x main_y)), 78271#(or (= main_x main_y) (<= (select main_a main_x) 74)), 78270#(or (<= (select main_a main_x) 73) (= main_x main_y)), 78273#(or (<= (select main_a main_x) 76) (= main_x main_y)), 78272#(or (= main_x main_y) (<= (select main_a main_x) 75)), 78275#(or (<= (select main_a main_x) 78) (= main_x main_y)), 78274#(or (<= (select main_a main_x) 77) (= main_x main_y)), 78277#(or (<= (select main_a main_x) 80) (= main_x main_y)), 78276#(or (<= (select main_a main_x) 79) (= main_x main_y)), 78279#(or (<= (select main_a main_x) 82) (= main_x main_y)), 78278#(or (<= (select main_a main_x) 81) (= main_x main_y)), 78281#(or (<= (select main_a main_x) 84) (= main_x main_y)), 78280#(or (= main_x main_y) (<= (select main_a main_x) 83)), 78283#(or (<= (select main_a main_x) 86) (= main_x main_y)), 78282#(or (<= (select main_a main_x) 85) (= main_x main_y)), 78285#(or (<= (select main_a main_x) 88) (= main_x main_y)), 78284#(or (<= (select main_a main_x) 87) (= main_x main_y)), 78287#(or (<= (select main_a main_x) 90) (= main_x main_y)), 78286#(or (<= (select main_a main_x) 89) (= main_x main_y)), 78289#(or (<= (select main_a main_x) 92) (= main_x main_y)), 78288#(or (= main_x main_y) (<= (select main_a main_x) 91)), 78291#(or (= main_x main_y) (<= (select main_a main_x) 94)), 78290#(or (<= (select main_a main_x) 93) (= main_x main_y)), 78293#(or (<= (select main_a main_x) 96) (= main_x main_y)), 78292#(or (<= (select main_a main_x) 95) (= main_x main_y)), 78295#(or (<= (select main_a main_x) 98) (= main_x main_y)), 78294#(or (= main_x main_y) (<= (select main_a main_x) 97)), 78297#(or (<= (select main_a main_x) 100) (= main_x main_y)), 78296#(or (<= (select main_a main_x) 99) (= main_x main_y)), 78299#(or (= main_x main_y) (<= (select main_a main_x) 102)), 78298#(or (<= (select main_a main_x) 101) (= main_x main_y)), 78301#(or (<= (select main_a main_x) 104) (= main_x main_y)), 78300#(or (<= (select main_a main_x) 103) (= main_x main_y)), 78303#(or (= main_x main_y) (<= (select main_a main_x) 106)), 78302#(or (= main_x main_y) (<= (select main_a main_x) 105)), 78305#(or (<= (select main_a main_x) 108) (= main_x main_y)), 78304#(or (<= (select main_a main_x) 107) (= main_x main_y)), 78307#(or (= main_x main_y) (<= (select main_a main_x) 110)), 78306#(or (= main_x main_y) (<= (select main_a main_x) 109)), 78309#(or (<= (select main_a main_x) 112) (= main_x main_y)), 78308#(or (<= (select main_a main_x) 111) (= main_x main_y)), 78311#(or (= main_x main_y) (<= (select main_a main_x) 114)), 78310#(or (<= (select main_a main_x) 113) (= main_x main_y)), 78313#(or (<= (select main_a main_x) 116) (= main_x main_y)), 78312#(or (= main_x main_y) (<= (select main_a main_x) 115)), 78315#(or (= main_x main_y) (<= (select main_a main_x) 118)), 78314#(or (<= (select main_a main_x) 117) (= main_x main_y)), 78317#(or (<= (select main_a main_x) 120) (= main_x main_y)), 78316#(or (= main_x main_y) (<= (select main_a main_x) 119)), 78319#(or (<= (select main_a main_x) 122) (= main_x main_y)), 78318#(or (= main_x main_y) (<= (select main_a main_x) 121)), 78321#(or (= main_x main_y) (<= (select main_a main_x) 124)), 78320#(or (= main_x main_y) (<= (select main_a main_x) 123)), 78323#(or (= main_x main_y) (<= (select main_a main_x) 126)), 78322#(or (<= (select main_a main_x) 125) (= main_x main_y)), 78325#(or (= main_x main_y) (<= (select main_a main_x) 128)), 78324#(or (<= (select main_a main_x) 127) (= main_x main_y)), 78327#(or (= main_x main_y) (<= (select main_a main_x) 130)), 78326#(or (= main_x main_y) (<= (select main_a main_x) 129)), 78329#(or (<= (select main_a main_x) 132) (= main_x main_y)), 78328#(or (<= (select main_a main_x) 131) (= main_x main_y)), 78331#(or (= main_x main_y) (<= (select main_a main_x) 134)), 78330#(or (= main_x main_y) (<= (select main_a main_x) 133)), 78333#(or (<= (select main_a main_x) 136) (= main_x main_y)), 78332#(or (= main_x main_y) (<= (select main_a main_x) 135)), 78335#(or (= main_x main_y) (<= (select main_a main_x) 138)), 78334#(or (<= (select main_a main_x) 137) (= main_x main_y))] [2018-07-23 13:58:35,192 INFO L134 CoverageAnalysis]: Checked inductivity of 14878 backedges. 0 proven. 14878 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-07-23 13:58:35,192 INFO L450 AbstractCegarLoop]: Interpolant automaton has 175 states [2018-07-23 13:58:35,193 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 175 interpolants. [2018-07-23 13:58:35,194 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=15225, Invalid=15225, Unknown=0, NotChecked=0, Total=30450 [2018-07-23 13:58:35,194 INFO L87 Difference]: Start difference. First operand 176 states and 176 transitions. Second operand 175 states. [2018-07-23 13:58:35,608 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-07-23 13:58:35,608 INFO L93 Difference]: Finished difference Result 179 states and 179 transitions. [2018-07-23 13:58:35,608 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 175 states. [2018-07-23 13:58:35,608 INFO L78 Accepts]: Start accepts. Automaton has 175 states. Word has length 175 [2018-07-23 13:58:35,609 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-07-23 13:58:35,609 INFO L225 Difference]: With dead ends: 179 [2018-07-23 13:58:35,609 INFO L226 Difference]: Without dead ends: 177 [2018-07-23 13:58:35,611 INFO L575 BasicCegarLoop]: 0 DeclaredPredicates, 174 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 173 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 1.5s TimeCoverageRelationStatistics Valid=15225, Invalid=15225, Unknown=0, NotChecked=0, Total=30450 [2018-07-23 13:58:35,611 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 177 states. [2018-07-23 13:58:35,619 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 177 to 177. [2018-07-23 13:58:35,619 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 177 states. [2018-07-23 13:58:35,620 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 177 states to 177 states and 177 transitions. [2018-07-23 13:58:35,620 INFO L78 Accepts]: Start accepts. Automaton has 177 states and 177 transitions. Word has length 175 [2018-07-23 13:58:35,620 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-07-23 13:58:35,620 INFO L471 AbstractCegarLoop]: Abstraction has 177 states and 177 transitions. [2018-07-23 13:58:35,620 INFO L472 AbstractCegarLoop]: Interpolant automaton has 175 states. [2018-07-23 13:58:35,620 INFO L276 IsEmpty]: Start isEmpty. Operand 177 states and 177 transitions. [2018-07-23 13:58:35,621 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 177 [2018-07-23 13:58:35,621 INFO L349 BasicCegarLoop]: Found error trace [2018-07-23 13:58:35,621 INFO L357 BasicCegarLoop]: trace histogram [173, 1, 1, 1] [2018-07-23 13:58:35,621 INFO L414 AbstractCegarLoop]: === Iteration 174 === [mainErr0AssertViolationASSERT]=== [2018-07-23 13:58:35,621 INFO L82 PathProgramCache]: Analyzing trace with hash -591696122, now seen corresponding path program 173 times [2018-07-23 13:58:35,621 INFO L69 tionRefinementEngine]: Using refinement strategy FixedRefinementStrategy [2018-07-23 13:58:35,868 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-07-23 13:58:37,571 INFO L134 CoverageAnalysis]: Checked inductivity of 15051 backedges. 0 proven. 15051 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-07-23 13:58:37,572 INFO L309 seRefinementStrategy]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2018-07-23 13:58:37,572 INFO L324 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [175] total 175 [2018-07-23 13:58:37,572 INFO L142 lantAutomatonBuilder]: Constructing canonical interpolant automaton, with selfloop in false state [2018-07-23 13:58:37,572 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-07-23 13:58:37,573 INFO L185 omatonBuilderFactory]: Interpolants [79105#(or (<= (select main_a main_x) 21) (= main_x main_y)), 79104#(or (= main_x main_y) (<= (select main_a main_x) 20)), 79107#(or (= main_x main_y) (<= (select main_a main_x) 23)), 79106#(or (= main_x main_y) (<= (select main_a main_x) 22)), 79109#(or (= main_x main_y) (<= (select main_a main_x) 25)), 79108#(or (<= (select main_a main_x) 24) (= main_x main_y)), 79111#(or (<= (select main_a main_x) 27) (= main_x main_y)), 79110#(or (<= (select main_a main_x) 26) (= main_x main_y)), 79113#(or (<= (select main_a main_x) 29) (= main_x main_y)), 79112#(or (<= (select main_a main_x) 28) (= main_x main_y)), 79115#(or (<= (select main_a main_x) 31) (= main_x main_y)), 79114#(or (= main_x main_y) (<= (select main_a main_x) 30)), 79117#(or (<= (select main_a main_x) 33) (= main_x main_y)), 79116#(or (<= (select main_a main_x) 32) (= main_x main_y)), 79119#(or (<= (select main_a main_x) 35) (= main_x main_y)), 79118#(or (<= (select main_a main_x) 34) (= main_x main_y)), 79121#(or (<= (select main_a main_x) 37) (= main_x main_y)), 79120#(or (<= (select main_a main_x) 36) (= main_x main_y)), 79123#(or (<= (select main_a main_x) 39) (= main_x main_y)), 79122#(or (<= (select main_a main_x) 38) (= main_x main_y)), 79125#(or (<= (select main_a main_x) 41) (= main_x main_y)), 79124#(or (<= (select main_a main_x) 40) (= main_x main_y)), 79127#(or (= main_x main_y) (<= (select main_a main_x) 43)), 79126#(or (<= (select main_a main_x) 42) (= main_x main_y)), 79129#(or (= main_x main_y) (<= (select main_a main_x) 45)), 79128#(or (= main_x main_y) (<= (select main_a main_x) 44)), 79131#(or (<= (select main_a main_x) 47) (= main_x main_y)), 79130#(or (<= (select main_a main_x) 46) (= main_x main_y)), 79133#(or (<= (select main_a main_x) 49) (= main_x main_y)), 79132#(or (<= (select main_a main_x) 48) (= main_x main_y)), 79135#(or (<= (select main_a main_x) 51) (= main_x main_y)), 79134#(or (<= (select main_a main_x) 50) (= main_x main_y)), 79137#(or (<= (select main_a main_x) 53) (= main_x main_y)), 79136#(or (= main_x main_y) (<= (select main_a main_x) 52)), 79139#(or (<= (select main_a main_x) 55) (= main_x main_y)), 79138#(or (<= (select main_a main_x) 54) (= main_x main_y)), 79141#(or (<= (select main_a main_x) 57) (= main_x main_y)), 79140#(or (= main_x main_y) (<= (select main_a main_x) 56)), 79143#(or (= main_x main_y) (<= (select main_a main_x) 59)), 79142#(or (<= (select main_a main_x) 58) (= main_x main_y)), 79145#(or (= main_x main_y) (<= (select main_a main_x) 61)), 79144#(or (= main_x main_y) (<= (select main_a main_x) 60)), 79147#(or (<= (select main_a main_x) 63) (= main_x main_y)), 79146#(or (<= (select main_a main_x) 62) (= main_x main_y)), 79149#(or (<= (select main_a main_x) 65) (= main_x main_y)), 79148#(or (= main_x main_y) (<= (select main_a main_x) 64)), 79151#(or (<= (select main_a main_x) 67) (= main_x main_y)), 79150#(or (= main_x main_y) (<= (select main_a main_x) 66)), 79153#(or (= main_x main_y) (<= (select main_a main_x) 69)), 79152#(or (= main_x main_y) (<= (select main_a main_x) 68)), 79155#(or (<= (select main_a main_x) 71) (= main_x main_y)), 79154#(or (<= (select main_a main_x) 70) (= main_x main_y)), 79157#(or (<= (select main_a main_x) 73) (= main_x main_y)), 79156#(or (= main_x main_y) (<= (select main_a main_x) 72)), 79159#(or (= main_x main_y) (<= (select main_a main_x) 75)), 79158#(or (= main_x main_y) (<= (select main_a main_x) 74)), 79161#(or (<= (select main_a main_x) 77) (= main_x main_y)), 79160#(or (<= (select main_a main_x) 76) (= main_x main_y)), 79163#(or (<= (select main_a main_x) 79) (= main_x main_y)), 79162#(or (<= (select main_a main_x) 78) (= main_x main_y)), 79165#(or (<= (select main_a main_x) 81) (= main_x main_y)), 79164#(or (<= (select main_a main_x) 80) (= main_x main_y)), 79167#(or (= main_x main_y) (<= (select main_a main_x) 83)), 79166#(or (<= (select main_a main_x) 82) (= main_x main_y)), 79169#(or (<= (select main_a main_x) 85) (= main_x main_y)), 79168#(or (<= (select main_a main_x) 84) (= main_x main_y)), 79171#(or (<= (select main_a main_x) 87) (= main_x main_y)), 79170#(or (<= (select main_a main_x) 86) (= main_x main_y)), 79173#(or (<= (select main_a main_x) 89) (= main_x main_y)), 79172#(or (<= (select main_a main_x) 88) (= main_x main_y)), 79175#(or (= main_x main_y) (<= (select main_a main_x) 91)), 79174#(or (<= (select main_a main_x) 90) (= main_x main_y)), 79177#(or (<= (select main_a main_x) 93) (= main_x main_y)), 79176#(or (<= (select main_a main_x) 92) (= main_x main_y)), 79179#(or (<= (select main_a main_x) 95) (= main_x main_y)), 79178#(or (= main_x main_y) (<= (select main_a main_x) 94)), 79181#(or (= main_x main_y) (<= (select main_a main_x) 97)), 79180#(or (<= (select main_a main_x) 96) (= main_x main_y)), 79183#(or (<= (select main_a main_x) 99) (= main_x main_y)), 79182#(or (<= (select main_a main_x) 98) (= main_x main_y)), 79185#(or (<= (select main_a main_x) 101) (= main_x main_y)), 79184#(or (<= (select main_a main_x) 100) (= main_x main_y)), 79187#(or (<= (select main_a main_x) 103) (= main_x main_y)), 79186#(or (= main_x main_y) (<= (select main_a main_x) 102)), 79189#(or (= main_x main_y) (<= (select main_a main_x) 105)), 79188#(or (<= (select main_a main_x) 104) (= main_x main_y)), 79191#(or (<= (select main_a main_x) 107) (= main_x main_y)), 79190#(or (= main_x main_y) (<= (select main_a main_x) 106)), 79193#(or (= main_x main_y) (<= (select main_a main_x) 109)), 79192#(or (<= (select main_a main_x) 108) (= main_x main_y)), 79195#(or (<= (select main_a main_x) 111) (= main_x main_y)), 79194#(or (= main_x main_y) (<= (select main_a main_x) 110)), 79197#(or (<= (select main_a main_x) 113) (= main_x main_y)), 79196#(or (<= (select main_a main_x) 112) (= main_x main_y)), 79199#(or (= main_x main_y) (<= (select main_a main_x) 115)), 79198#(or (= main_x main_y) (<= (select main_a main_x) 114)), 79201#(or (<= (select main_a main_x) 117) (= main_x main_y)), 79200#(or (<= (select main_a main_x) 116) (= main_x main_y)), 79203#(or (= main_x main_y) (<= (select main_a main_x) 119)), 79202#(or (= main_x main_y) (<= (select main_a main_x) 118)), 79205#(or (= main_x main_y) (<= (select main_a main_x) 121)), 79204#(or (<= (select main_a main_x) 120) (= main_x main_y)), 79207#(or (= main_x main_y) (<= (select main_a main_x) 123)), 79206#(or (<= (select main_a main_x) 122) (= main_x main_y)), 79209#(or (<= (select main_a main_x) 125) (= main_x main_y)), 79208#(or (= main_x main_y) (<= (select main_a main_x) 124)), 79211#(or (<= (select main_a main_x) 127) (= main_x main_y)), 79210#(or (= main_x main_y) (<= (select main_a main_x) 126)), 79213#(or (= main_x main_y) (<= (select main_a main_x) 129)), 79212#(or (= main_x main_y) (<= (select main_a main_x) 128)), 79215#(or (<= (select main_a main_x) 131) (= main_x main_y)), 79214#(or (= main_x main_y) (<= (select main_a main_x) 130)), 79217#(or (= main_x main_y) (<= (select main_a main_x) 133)), 79216#(or (<= (select main_a main_x) 132) (= main_x main_y)), 79219#(or (= main_x main_y) (<= (select main_a main_x) 135)), 79218#(or (= main_x main_y) (<= (select main_a main_x) 134)), 79221#(or (<= (select main_a main_x) 137) (= main_x main_y)), 79220#(or (<= (select main_a main_x) 136) (= main_x main_y)), 79223#(or (= main_x main_y) (<= (select main_a main_x) 139)), 79222#(or (= main_x main_y) (<= (select main_a main_x) 138)), 79225#(or (<= (select main_a main_x) 141) (= main_x main_y)), 79224#(or (<= (select main_a main_x) 140) (= main_x main_y)), 79227#(or (= main_x main_y) (<= (select main_a main_x) 143)), 79226#(or (= main_x main_y) (<= (select main_a main_x) 142)), 79229#(or (= main_x main_y) (<= (select main_a main_x) 145)), 79228#(or (<= (select main_a main_x) 144) (= main_x main_y)), 79231#(or (= main_x main_y) (<= (select main_a main_x) 147)), 79230#(or (<= (select main_a main_x) 146) (= main_x main_y)), 79233#(or (= main_x main_y) (<= (select main_a main_x) 149)), 79232#(or (<= (select main_a main_x) 148) (= main_x main_y)), 79235#(or (<= (select main_a main_x) 151) (= main_x main_y)), 79234#(or (= main_x main_y) (<= (select main_a main_x) 150)), 79237#(or (<= (select main_a main_x) 153) (= main_x main_y)), 79236#(or (<= (select main_a main_x) 152) (= main_x main_y)), 79239#(or (<= (select main_a main_x) 155) (= main_x main_y)), 79238#(or (<= (select main_a main_x) 154) (= main_x main_y)), 79241#(or (<= (select main_a main_x) 157) (= main_x main_y)), 79240#(or (<= (select main_a main_x) 156) (= main_x main_y)), 79243#(or (<= (select main_a main_x) 159) (= main_x main_y)), 79242#(or (<= (select main_a main_x) 158) (= main_x main_y)), 79245#(or (<= (select main_a main_x) 161) (= main_x main_y)), 79244#(or (= main_x main_y) (<= (select main_a main_x) 160)), 79247#(or (<= (select main_a main_x) 163) (= main_x main_y)), 79246#(or (= main_x main_y) (<= (select main_a main_x) 162)), 79249#(or (<= (select main_a main_x) 165) (= main_x main_y)), 79248#(or (<= (select main_a main_x) 164) (= main_x main_y)), 79251#(or (= main_x main_y) (<= (select main_a main_x) 167)), 79250#(or (= main_x main_y) (<= (select main_a main_x) 166)), 79253#(or (= main_x main_y) (<= (select main_a main_x) 169)), 79252#(or (<= (select main_a main_x) 168) (= main_x main_y)), 79255#(or (= main_x main_y) (<= (select main_a main_x) 171)), 79254#(or (= main_x main_y) (<= (select main_a main_x) 170)), 79257#(or (not (= (select main_a main_x) 1000)) (= main_x main_y)), 79256#(or (= main_x main_y) (<= (select main_a main_x) 172)), 79083#false, 79082#true, 79085#(or (<= (select main_a main_x) 1) (= main_x main_y)), 79084#(or (= 0 (select main_a main_x)) (= main_x main_y)), 79087#(or (= main_x main_y) (<= (select main_a main_x) 3)), 79086#(or (= main_x main_y) (<= (select main_a main_x) 2)), 79089#(or (<= (select main_a main_x) 5) (= main_x main_y)), 79088#(or (<= (select main_a main_x) 4) (= main_x main_y)), 79091#(or (<= (select main_a main_x) 7) (= main_x main_y)), 79090#(or (<= (select main_a main_x) 6) (= main_x main_y)), 79093#(or (= main_x main_y) (<= (select main_a main_x) 9)), 79092#(or (<= (select main_a main_x) 8) (= main_x main_y)), 79095#(or (= main_x main_y) (<= (select main_a main_x) 11)), 79094#(or (= main_x main_y) (<= (select main_a main_x) 10)), 79097#(or (= main_x main_y) (<= (select main_a main_x) 13)), 79096#(or (<= (select main_a main_x) 12) (= main_x main_y)), 79099#(or (<= (select main_a main_x) 15) (= main_x main_y)), 79098#(or (<= (select main_a main_x) 14) (= main_x main_y)), 79101#(or (= main_x main_y) (<= (select main_a main_x) 17)), 79100#(or (<= (select main_a main_x) 16) (= main_x main_y)), 79103#(or (<= (select main_a main_x) 19) (= main_x main_y)), 79102#(or (<= (select main_a main_x) 18) (= main_x main_y))] [2018-07-23 13:58:37,573 INFO L134 CoverageAnalysis]: Checked inductivity of 15051 backedges. 0 proven. 15051 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-07-23 13:58:37,574 INFO L450 AbstractCegarLoop]: Interpolant automaton has 176 states [2018-07-23 13:58:37,575 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 176 interpolants. [2018-07-23 13:58:37,577 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=15400, Invalid=15400, Unknown=0, NotChecked=0, Total=30800 [2018-07-23 13:58:37,577 INFO L87 Difference]: Start difference. First operand 177 states and 177 transitions. Second operand 176 states. [2018-07-23 13:58:38,342 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-07-23 13:58:38,343 INFO L93 Difference]: Finished difference Result 180 states and 180 transitions. [2018-07-23 13:58:38,343 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 176 states. [2018-07-23 13:58:38,343 INFO L78 Accepts]: Start accepts. Automaton has 176 states. Word has length 176 [2018-07-23 13:58:38,343 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-07-23 13:58:38,343 INFO L225 Difference]: With dead ends: 180 [2018-07-23 13:58:38,343 INFO L226 Difference]: Without dead ends: 178 [2018-07-23 13:58:38,345 INFO L575 BasicCegarLoop]: 0 DeclaredPredicates, 175 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 174 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 1.5s TimeCoverageRelationStatistics Valid=15400, Invalid=15400, Unknown=0, NotChecked=0, Total=30800 [2018-07-23 13:58:38,346 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 178 states. [2018-07-23 13:58:38,354 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 178 to 178. [2018-07-23 13:58:38,354 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 178 states. [2018-07-23 13:58:38,354 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 178 states to 178 states and 178 transitions. [2018-07-23 13:58:38,354 INFO L78 Accepts]: Start accepts. Automaton has 178 states and 178 transitions. Word has length 176 [2018-07-23 13:58:38,355 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-07-23 13:58:38,355 INFO L471 AbstractCegarLoop]: Abstraction has 178 states and 178 transitions. [2018-07-23 13:58:38,355 INFO L472 AbstractCegarLoop]: Interpolant automaton has 176 states. [2018-07-23 13:58:38,355 INFO L276 IsEmpty]: Start isEmpty. Operand 178 states and 178 transitions. [2018-07-23 13:58:38,355 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 178 [2018-07-23 13:58:38,355 INFO L349 BasicCegarLoop]: Found error trace [2018-07-23 13:58:38,355 INFO L357 BasicCegarLoop]: trace histogram [174, 1, 1, 1] [2018-07-23 13:58:38,355 INFO L414 AbstractCegarLoop]: === Iteration 175 === [mainErr0AssertViolationASSERT]=== [2018-07-23 13:58:38,356 INFO L82 PathProgramCache]: Analyzing trace with hash -1162714464, now seen corresponding path program 174 times [2018-07-23 13:58:38,356 INFO L69 tionRefinementEngine]: Using refinement strategy FixedRefinementStrategy [2018-07-23 13:58:38,607 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-07-23 13:58:40,337 INFO L134 CoverageAnalysis]: Checked inductivity of 15225 backedges. 0 proven. 15225 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-07-23 13:58:40,338 INFO L309 seRefinementStrategy]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2018-07-23 13:58:40,338 INFO L324 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [176] total 176 [2018-07-23 13:58:40,338 INFO L142 lantAutomatonBuilder]: Constructing canonical interpolant automaton, with selfloop in false state [2018-07-23 13:58:40,338 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-07-23 13:58:40,338 INFO L185 omatonBuilderFactory]: Interpolants [80129#(or (<= (select main_a main_x) 153) (= main_x main_y)), 80128#(or (<= (select main_a main_x) 152) (= main_x main_y)), 80131#(or (<= (select main_a main_x) 155) (= main_x main_y)), 80130#(or (<= (select main_a main_x) 154) (= main_x main_y)), 80133#(or (<= (select main_a main_x) 157) (= main_x main_y)), 80132#(or (<= (select main_a main_x) 156) (= main_x main_y)), 80135#(or (<= (select main_a main_x) 159) (= main_x main_y)), 80134#(or (<= (select main_a main_x) 158) (= main_x main_y)), 80137#(or (<= (select main_a main_x) 161) (= main_x main_y)), 80136#(or (= main_x main_y) (<= (select main_a main_x) 160)), 80139#(or (<= (select main_a main_x) 163) (= main_x main_y)), 80138#(or (= main_x main_y) (<= (select main_a main_x) 162)), 80141#(or (<= (select main_a main_x) 165) (= main_x main_y)), 80140#(or (<= (select main_a main_x) 164) (= main_x main_y)), 80143#(or (= main_x main_y) (<= (select main_a main_x) 167)), 80142#(or (= main_x main_y) (<= (select main_a main_x) 166)), 80145#(or (= main_x main_y) (<= (select main_a main_x) 169)), 80144#(or (<= (select main_a main_x) 168) (= main_x main_y)), 80147#(or (= main_x main_y) (<= (select main_a main_x) 171)), 80146#(or (= main_x main_y) (<= (select main_a main_x) 170)), 80149#(or (= main_x main_y) (<= (select main_a main_x) 173)), 80148#(or (= main_x main_y) (<= (select main_a main_x) 172)), 80150#(or (not (= (select main_a main_x) 1000)) (= main_x main_y)), 79975#false, 79974#true, 79977#(or (<= (select main_a main_x) 1) (= main_x main_y)), 79976#(or (= 0 (select main_a main_x)) (= main_x main_y)), 79979#(or (= main_x main_y) (<= (select main_a main_x) 3)), 79978#(or (= main_x main_y) (<= (select main_a main_x) 2)), 79981#(or (<= (select main_a main_x) 5) (= main_x main_y)), 79980#(or (<= (select main_a main_x) 4) (= main_x main_y)), 79983#(or (<= (select main_a main_x) 7) (= main_x main_y)), 79982#(or (<= (select main_a main_x) 6) (= main_x main_y)), 79985#(or (= main_x main_y) (<= (select main_a main_x) 9)), 79984#(or (<= (select main_a main_x) 8) (= main_x main_y)), 79987#(or (= main_x main_y) (<= (select main_a main_x) 11)), 79986#(or (= main_x main_y) (<= (select main_a main_x) 10)), 79989#(or (= main_x main_y) (<= (select main_a main_x) 13)), 79988#(or (<= (select main_a main_x) 12) (= main_x main_y)), 79991#(or (<= (select main_a main_x) 15) (= main_x main_y)), 79990#(or (<= (select main_a main_x) 14) (= main_x main_y)), 79993#(or (= main_x main_y) (<= (select main_a main_x) 17)), 79992#(or (<= (select main_a main_x) 16) (= main_x main_y)), 79995#(or (<= (select main_a main_x) 19) (= main_x main_y)), 79994#(or (<= (select main_a main_x) 18) (= main_x main_y)), 79997#(or (<= (select main_a main_x) 21) (= main_x main_y)), 79996#(or (= main_x main_y) (<= (select main_a main_x) 20)), 79999#(or (= main_x main_y) (<= (select main_a main_x) 23)), 79998#(or (= main_x main_y) (<= (select main_a main_x) 22)), 80001#(or (= main_x main_y) (<= (select main_a main_x) 25)), 80000#(or (<= (select main_a main_x) 24) (= main_x main_y)), 80003#(or (<= (select main_a main_x) 27) (= main_x main_y)), 80002#(or (<= (select main_a main_x) 26) (= main_x main_y)), 80005#(or (<= (select main_a main_x) 29) (= main_x main_y)), 80004#(or (<= (select main_a main_x) 28) (= main_x main_y)), 80007#(or (<= (select main_a main_x) 31) (= main_x main_y)), 80006#(or (= main_x main_y) (<= (select main_a main_x) 30)), 80009#(or (<= (select main_a main_x) 33) (= main_x main_y)), 80008#(or (<= (select main_a main_x) 32) (= main_x main_y)), 80011#(or (<= (select main_a main_x) 35) (= main_x main_y)), 80010#(or (<= (select main_a main_x) 34) (= main_x main_y)), 80013#(or (<= (select main_a main_x) 37) (= main_x main_y)), 80012#(or (<= (select main_a main_x) 36) (= main_x main_y)), 80015#(or (<= (select main_a main_x) 39) (= main_x main_y)), 80014#(or (<= (select main_a main_x) 38) (= main_x main_y)), 80017#(or (<= (select main_a main_x) 41) (= main_x main_y)), 80016#(or (<= (select main_a main_x) 40) (= main_x main_y)), 80019#(or (= main_x main_y) (<= (select main_a main_x) 43)), 80018#(or (<= (select main_a main_x) 42) (= main_x main_y)), 80021#(or (= main_x main_y) (<= (select main_a main_x) 45)), 80020#(or (= main_x main_y) (<= (select main_a main_x) 44)), 80023#(or (<= (select main_a main_x) 47) (= main_x main_y)), 80022#(or (<= (select main_a main_x) 46) (= main_x main_y)), 80025#(or (<= (select main_a main_x) 49) (= main_x main_y)), 80024#(or (<= (select main_a main_x) 48) (= main_x main_y)), 80027#(or (<= (select main_a main_x) 51) (= main_x main_y)), 80026#(or (<= (select main_a main_x) 50) (= main_x main_y)), 80029#(or (<= (select main_a main_x) 53) (= main_x main_y)), 80028#(or (= main_x main_y) (<= (select main_a main_x) 52)), 80031#(or (<= (select main_a main_x) 55) (= main_x main_y)), 80030#(or (<= (select main_a main_x) 54) (= main_x main_y)), 80033#(or (<= (select main_a main_x) 57) (= main_x main_y)), 80032#(or (= main_x main_y) (<= (select main_a main_x) 56)), 80035#(or (= main_x main_y) (<= (select main_a main_x) 59)), 80034#(or (<= (select main_a main_x) 58) (= main_x main_y)), 80037#(or (= main_x main_y) (<= (select main_a main_x) 61)), 80036#(or (= main_x main_y) (<= (select main_a main_x) 60)), 80039#(or (<= (select main_a main_x) 63) (= main_x main_y)), 80038#(or (<= (select main_a main_x) 62) (= main_x main_y)), 80041#(or (<= (select main_a main_x) 65) (= main_x main_y)), 80040#(or (= main_x main_y) (<= (select main_a main_x) 64)), 80043#(or (<= (select main_a main_x) 67) (= main_x main_y)), 80042#(or (= main_x main_y) (<= (select main_a main_x) 66)), 80045#(or (= main_x main_y) (<= (select main_a main_x) 69)), 80044#(or (= main_x main_y) (<= (select main_a main_x) 68)), 80047#(or (<= (select main_a main_x) 71) (= main_x main_y)), 80046#(or (<= (select main_a main_x) 70) (= main_x main_y)), 80049#(or (<= (select main_a main_x) 73) (= main_x main_y)), 80048#(or (= main_x main_y) (<= (select main_a main_x) 72)), 80051#(or (= main_x main_y) (<= (select main_a main_x) 75)), 80050#(or (= main_x main_y) (<= (select main_a main_x) 74)), 80053#(or (<= (select main_a main_x) 77) (= main_x main_y)), 80052#(or (<= (select main_a main_x) 76) (= main_x main_y)), 80055#(or (<= (select main_a main_x) 79) (= main_x main_y)), 80054#(or (<= (select main_a main_x) 78) (= main_x main_y)), 80057#(or (<= (select main_a main_x) 81) (= main_x main_y)), 80056#(or (<= (select main_a main_x) 80) (= main_x main_y)), 80059#(or (= main_x main_y) (<= (select main_a main_x) 83)), 80058#(or (<= (select main_a main_x) 82) (= main_x main_y)), 80061#(or (<= (select main_a main_x) 85) (= main_x main_y)), 80060#(or (<= (select main_a main_x) 84) (= main_x main_y)), 80063#(or (<= (select main_a main_x) 87) (= main_x main_y)), 80062#(or (<= (select main_a main_x) 86) (= main_x main_y)), 80065#(or (<= (select main_a main_x) 89) (= main_x main_y)), 80064#(or (<= (select main_a main_x) 88) (= main_x main_y)), 80067#(or (= main_x main_y) (<= (select main_a main_x) 91)), 80066#(or (<= (select main_a main_x) 90) (= main_x main_y)), 80069#(or (<= (select main_a main_x) 93) (= main_x main_y)), 80068#(or (<= (select main_a main_x) 92) (= main_x main_y)), 80071#(or (<= (select main_a main_x) 95) (= main_x main_y)), 80070#(or (= main_x main_y) (<= (select main_a main_x) 94)), 80073#(or (= main_x main_y) (<= (select main_a main_x) 97)), 80072#(or (<= (select main_a main_x) 96) (= main_x main_y)), 80075#(or (<= (select main_a main_x) 99) (= main_x main_y)), 80074#(or (<= (select main_a main_x) 98) (= main_x main_y)), 80077#(or (<= (select main_a main_x) 101) (= main_x main_y)), 80076#(or (<= (select main_a main_x) 100) (= main_x main_y)), 80079#(or (<= (select main_a main_x) 103) (= main_x main_y)), 80078#(or (= main_x main_y) (<= (select main_a main_x) 102)), 80081#(or (= main_x main_y) (<= (select main_a main_x) 105)), 80080#(or (<= (select main_a main_x) 104) (= main_x main_y)), 80083#(or (<= (select main_a main_x) 107) (= main_x main_y)), 80082#(or (= main_x main_y) (<= (select main_a main_x) 106)), 80085#(or (= main_x main_y) (<= (select main_a main_x) 109)), 80084#(or (<= (select main_a main_x) 108) (= main_x main_y)), 80087#(or (<= (select main_a main_x) 111) (= main_x main_y)), 80086#(or (= main_x main_y) (<= (select main_a main_x) 110)), 80089#(or (<= (select main_a main_x) 113) (= main_x main_y)), 80088#(or (<= (select main_a main_x) 112) (= main_x main_y)), 80091#(or (= main_x main_y) (<= (select main_a main_x) 115)), 80090#(or (= main_x main_y) (<= (select main_a main_x) 114)), 80093#(or (<= (select main_a main_x) 117) (= main_x main_y)), 80092#(or (<= (select main_a main_x) 116) (= main_x main_y)), 80095#(or (= main_x main_y) (<= (select main_a main_x) 119)), 80094#(or (= main_x main_y) (<= (select main_a main_x) 118)), 80097#(or (= main_x main_y) (<= (select main_a main_x) 121)), 80096#(or (<= (select main_a main_x) 120) (= main_x main_y)), 80099#(or (= main_x main_y) (<= (select main_a main_x) 123)), 80098#(or (<= (select main_a main_x) 122) (= main_x main_y)), 80101#(or (<= (select main_a main_x) 125) (= main_x main_y)), 80100#(or (= main_x main_y) (<= (select main_a main_x) 124)), 80103#(or (<= (select main_a main_x) 127) (= main_x main_y)), 80102#(or (= main_x main_y) (<= (select main_a main_x) 126)), 80105#(or (= main_x main_y) (<= (select main_a main_x) 129)), 80104#(or (= main_x main_y) (<= (select main_a main_x) 128)), 80107#(or (<= (select main_a main_x) 131) (= main_x main_y)), 80106#(or (= main_x main_y) (<= (select main_a main_x) 130)), 80109#(or (= main_x main_y) (<= (select main_a main_x) 133)), 80108#(or (<= (select main_a main_x) 132) (= main_x main_y)), 80111#(or (= main_x main_y) (<= (select main_a main_x) 135)), 80110#(or (= main_x main_y) (<= (select main_a main_x) 134)), 80113#(or (<= (select main_a main_x) 137) (= main_x main_y)), 80112#(or (<= (select main_a main_x) 136) (= main_x main_y)), 80115#(or (= main_x main_y) (<= (select main_a main_x) 139)), 80114#(or (= main_x main_y) (<= (select main_a main_x) 138)), 80117#(or (<= (select main_a main_x) 141) (= main_x main_y)), 80116#(or (<= (select main_a main_x) 140) (= main_x main_y)), 80119#(or (= main_x main_y) (<= (select main_a main_x) 143)), 80118#(or (= main_x main_y) (<= (select main_a main_x) 142)), 80121#(or (= main_x main_y) (<= (select main_a main_x) 145)), 80120#(or (<= (select main_a main_x) 144) (= main_x main_y)), 80123#(or (= main_x main_y) (<= (select main_a main_x) 147)), 80122#(or (<= (select main_a main_x) 146) (= main_x main_y)), 80125#(or (= main_x main_y) (<= (select main_a main_x) 149)), 80124#(or (<= (select main_a main_x) 148) (= main_x main_y)), 80127#(or (<= (select main_a main_x) 151) (= main_x main_y)), 80126#(or (= main_x main_y) (<= (select main_a main_x) 150))] [2018-07-23 13:58:40,339 INFO L134 CoverageAnalysis]: Checked inductivity of 15225 backedges. 0 proven. 15225 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-07-23 13:58:40,339 INFO L450 AbstractCegarLoop]: Interpolant automaton has 177 states [2018-07-23 13:58:40,341 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 177 interpolants. [2018-07-23 13:58:40,342 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=15576, Invalid=15576, Unknown=0, NotChecked=0, Total=31152 [2018-07-23 13:58:40,343 INFO L87 Difference]: Start difference. First operand 178 states and 178 transitions. Second operand 177 states. [2018-07-23 13:58:40,870 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-07-23 13:58:40,870 INFO L93 Difference]: Finished difference Result 181 states and 181 transitions. [2018-07-23 13:58:40,870 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 177 states. [2018-07-23 13:58:40,870 INFO L78 Accepts]: Start accepts. Automaton has 177 states. Word has length 177 [2018-07-23 13:58:40,870 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-07-23 13:58:40,870 INFO L225 Difference]: With dead ends: 181 [2018-07-23 13:58:40,871 INFO L226 Difference]: Without dead ends: 179 [2018-07-23 13:58:40,873 INFO L575 BasicCegarLoop]: 0 DeclaredPredicates, 176 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 175 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 1.5s TimeCoverageRelationStatistics Valid=15576, Invalid=15576, Unknown=0, NotChecked=0, Total=31152 [2018-07-23 13:58:40,873 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 179 states. [2018-07-23 13:58:40,881 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 179 to 179. [2018-07-23 13:58:40,881 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 179 states. [2018-07-23 13:58:40,882 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 179 states to 179 states and 179 transitions. [2018-07-23 13:58:40,882 INFO L78 Accepts]: Start accepts. Automaton has 179 states and 179 transitions. Word has length 177 [2018-07-23 13:58:40,882 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-07-23 13:58:40,882 INFO L471 AbstractCegarLoop]: Abstraction has 179 states and 179 transitions. [2018-07-23 13:58:40,882 INFO L472 AbstractCegarLoop]: Interpolant automaton has 177 states. [2018-07-23 13:58:40,882 INFO L276 IsEmpty]: Start isEmpty. Operand 179 states and 179 transitions. [2018-07-23 13:58:40,882 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 179 [2018-07-23 13:58:40,882 INFO L349 BasicCegarLoop]: Found error trace [2018-07-23 13:58:40,883 INFO L357 BasicCegarLoop]: trace histogram [175, 1, 1, 1] [2018-07-23 13:58:40,883 INFO L414 AbstractCegarLoop]: === Iteration 176 === [mainErr0AssertViolationASSERT]=== [2018-07-23 13:58:40,883 INFO L82 PathProgramCache]: Analyzing trace with hash -1684413882, now seen corresponding path program 175 times [2018-07-23 13:58:40,883 INFO L69 tionRefinementEngine]: Using refinement strategy FixedRefinementStrategy [2018-07-23 13:58:41,136 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-07-23 13:58:42,936 INFO L134 CoverageAnalysis]: Checked inductivity of 15400 backedges. 0 proven. 15400 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-07-23 13:58:42,937 INFO L309 seRefinementStrategy]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2018-07-23 13:58:42,937 INFO L324 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [177] total 177 [2018-07-23 13:58:42,937 INFO L142 lantAutomatonBuilder]: Constructing canonical interpolant automaton, with selfloop in false state [2018-07-23 13:58:42,937 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-07-23 13:58:42,937 INFO L185 omatonBuilderFactory]: Interpolants [80897#(or (<= (select main_a main_x) 24) (= main_x main_y)), 80896#(or (= main_x main_y) (<= (select main_a main_x) 23)), 80899#(or (<= (select main_a main_x) 26) (= main_x main_y)), 80898#(or (= main_x main_y) (<= (select main_a main_x) 25)), 80901#(or (<= (select main_a main_x) 28) (= main_x main_y)), 80900#(or (<= (select main_a main_x) 27) (= main_x main_y)), 80903#(or (= main_x main_y) (<= (select main_a main_x) 30)), 80902#(or (<= (select main_a main_x) 29) (= main_x main_y)), 80905#(or (<= (select main_a main_x) 32) (= main_x main_y)), 80904#(or (<= (select main_a main_x) 31) (= main_x main_y)), 80907#(or (<= (select main_a main_x) 34) (= main_x main_y)), 80906#(or (<= (select main_a main_x) 33) (= main_x main_y)), 80909#(or (<= (select main_a main_x) 36) (= main_x main_y)), 80908#(or (<= (select main_a main_x) 35) (= main_x main_y)), 80911#(or (<= (select main_a main_x) 38) (= main_x main_y)), 80910#(or (<= (select main_a main_x) 37) (= main_x main_y)), 80913#(or (<= (select main_a main_x) 40) (= main_x main_y)), 80912#(or (<= (select main_a main_x) 39) (= main_x main_y)), 80915#(or (<= (select main_a main_x) 42) (= main_x main_y)), 80914#(or (<= (select main_a main_x) 41) (= main_x main_y)), 80917#(or (= main_x main_y) (<= (select main_a main_x) 44)), 80916#(or (= main_x main_y) (<= (select main_a main_x) 43)), 80919#(or (<= (select main_a main_x) 46) (= main_x main_y)), 80918#(or (= main_x main_y) (<= (select main_a main_x) 45)), 80921#(or (<= (select main_a main_x) 48) (= main_x main_y)), 80920#(or (<= (select main_a main_x) 47) (= main_x main_y)), 80923#(or (<= (select main_a main_x) 50) (= main_x main_y)), 80922#(or (<= (select main_a main_x) 49) (= main_x main_y)), 80925#(or (= main_x main_y) (<= (select main_a main_x) 52)), 80924#(or (<= (select main_a main_x) 51) (= main_x main_y)), 80927#(or (<= (select main_a main_x) 54) (= main_x main_y)), 80926#(or (<= (select main_a main_x) 53) (= main_x main_y)), 80929#(or (= main_x main_y) (<= (select main_a main_x) 56)), 80928#(or (<= (select main_a main_x) 55) (= main_x main_y)), 80931#(or (<= (select main_a main_x) 58) (= main_x main_y)), 80930#(or (<= (select main_a main_x) 57) (= main_x main_y)), 80933#(or (= main_x main_y) (<= (select main_a main_x) 60)), 80932#(or (= main_x main_y) (<= (select main_a main_x) 59)), 80935#(or (<= (select main_a main_x) 62) (= main_x main_y)), 80934#(or (= main_x main_y) (<= (select main_a main_x) 61)), 80937#(or (= main_x main_y) (<= (select main_a main_x) 64)), 80936#(or (<= (select main_a main_x) 63) (= main_x main_y)), 80939#(or (= main_x main_y) (<= (select main_a main_x) 66)), 80938#(or (<= (select main_a main_x) 65) (= main_x main_y)), 80941#(or (= main_x main_y) (<= (select main_a main_x) 68)), 80940#(or (<= (select main_a main_x) 67) (= main_x main_y)), 80943#(or (<= (select main_a main_x) 70) (= main_x main_y)), 80942#(or (= main_x main_y) (<= (select main_a main_x) 69)), 80945#(or (= main_x main_y) (<= (select main_a main_x) 72)), 80944#(or (<= (select main_a main_x) 71) (= main_x main_y)), 80947#(or (= main_x main_y) (<= (select main_a main_x) 74)), 80946#(or (<= (select main_a main_x) 73) (= main_x main_y)), 80949#(or (<= (select main_a main_x) 76) (= main_x main_y)), 80948#(or (= main_x main_y) (<= (select main_a main_x) 75)), 80951#(or (<= (select main_a main_x) 78) (= main_x main_y)), 80950#(or (<= (select main_a main_x) 77) (= main_x main_y)), 80953#(or (<= (select main_a main_x) 80) (= main_x main_y)), 80952#(or (<= (select main_a main_x) 79) (= main_x main_y)), 80955#(or (<= (select main_a main_x) 82) (= main_x main_y)), 80954#(or (<= (select main_a main_x) 81) (= main_x main_y)), 80957#(or (<= (select main_a main_x) 84) (= main_x main_y)), 80956#(or (= main_x main_y) (<= (select main_a main_x) 83)), 80959#(or (<= (select main_a main_x) 86) (= main_x main_y)), 80958#(or (<= (select main_a main_x) 85) (= main_x main_y)), 80961#(or (<= (select main_a main_x) 88) (= main_x main_y)), 80960#(or (<= (select main_a main_x) 87) (= main_x main_y)), 80963#(or (<= (select main_a main_x) 90) (= main_x main_y)), 80962#(or (<= (select main_a main_x) 89) (= main_x main_y)), 80965#(or (<= (select main_a main_x) 92) (= main_x main_y)), 80964#(or (= main_x main_y) (<= (select main_a main_x) 91)), 80967#(or (= main_x main_y) (<= (select main_a main_x) 94)), 80966#(or (<= (select main_a main_x) 93) (= main_x main_y)), 80969#(or (<= (select main_a main_x) 96) (= main_x main_y)), 80968#(or (<= (select main_a main_x) 95) (= main_x main_y)), 80971#(or (<= (select main_a main_x) 98) (= main_x main_y)), 80970#(or (= main_x main_y) (<= (select main_a main_x) 97)), 80973#(or (<= (select main_a main_x) 100) (= main_x main_y)), 80972#(or (<= (select main_a main_x) 99) (= main_x main_y)), 80975#(or (= main_x main_y) (<= (select main_a main_x) 102)), 80974#(or (<= (select main_a main_x) 101) (= main_x main_y)), 80977#(or (<= (select main_a main_x) 104) (= main_x main_y)), 80976#(or (<= (select main_a main_x) 103) (= main_x main_y)), 80979#(or (= main_x main_y) (<= (select main_a main_x) 106)), 80978#(or (= main_x main_y) (<= (select main_a main_x) 105)), 80981#(or (<= (select main_a main_x) 108) (= main_x main_y)), 80980#(or (<= (select main_a main_x) 107) (= main_x main_y)), 80983#(or (= main_x main_y) (<= (select main_a main_x) 110)), 80982#(or (= main_x main_y) (<= (select main_a main_x) 109)), 80985#(or (<= (select main_a main_x) 112) (= main_x main_y)), 80984#(or (<= (select main_a main_x) 111) (= main_x main_y)), 80987#(or (= main_x main_y) (<= (select main_a main_x) 114)), 80986#(or (<= (select main_a main_x) 113) (= main_x main_y)), 80989#(or (<= (select main_a main_x) 116) (= main_x main_y)), 80988#(or (= main_x main_y) (<= (select main_a main_x) 115)), 80991#(or (= main_x main_y) (<= (select main_a main_x) 118)), 80990#(or (<= (select main_a main_x) 117) (= main_x main_y)), 80993#(or (<= (select main_a main_x) 120) (= main_x main_y)), 80992#(or (= main_x main_y) (<= (select main_a main_x) 119)), 80995#(or (<= (select main_a main_x) 122) (= main_x main_y)), 80994#(or (= main_x main_y) (<= (select main_a main_x) 121)), 80997#(or (= main_x main_y) (<= (select main_a main_x) 124)), 80996#(or (= main_x main_y) (<= (select main_a main_x) 123)), 80999#(or (= main_x main_y) (<= (select main_a main_x) 126)), 80998#(or (<= (select main_a main_x) 125) (= main_x main_y)), 81001#(or (= main_x main_y) (<= (select main_a main_x) 128)), 81000#(or (<= (select main_a main_x) 127) (= main_x main_y)), 81003#(or (= main_x main_y) (<= (select main_a main_x) 130)), 81002#(or (= main_x main_y) (<= (select main_a main_x) 129)), 81005#(or (<= (select main_a main_x) 132) (= main_x main_y)), 81004#(or (<= (select main_a main_x) 131) (= main_x main_y)), 81007#(or (= main_x main_y) (<= (select main_a main_x) 134)), 81006#(or (= main_x main_y) (<= (select main_a main_x) 133)), 81009#(or (<= (select main_a main_x) 136) (= main_x main_y)), 81008#(or (= main_x main_y) (<= (select main_a main_x) 135)), 81011#(or (= main_x main_y) (<= (select main_a main_x) 138)), 81010#(or (<= (select main_a main_x) 137) (= main_x main_y)), 81013#(or (<= (select main_a main_x) 140) (= main_x main_y)), 81012#(or (= main_x main_y) (<= (select main_a main_x) 139)), 81015#(or (= main_x main_y) (<= (select main_a main_x) 142)), 81014#(or (<= (select main_a main_x) 141) (= main_x main_y)), 81017#(or (<= (select main_a main_x) 144) (= main_x main_y)), 81016#(or (= main_x main_y) (<= (select main_a main_x) 143)), 81019#(or (<= (select main_a main_x) 146) (= main_x main_y)), 81018#(or (= main_x main_y) (<= (select main_a main_x) 145)), 81021#(or (<= (select main_a main_x) 148) (= main_x main_y)), 81020#(or (= main_x main_y) (<= (select main_a main_x) 147)), 81023#(or (= main_x main_y) (<= (select main_a main_x) 150)), 81022#(or (= main_x main_y) (<= (select main_a main_x) 149)), 81025#(or (<= (select main_a main_x) 152) (= main_x main_y)), 81024#(or (<= (select main_a main_x) 151) (= main_x main_y)), 81027#(or (<= (select main_a main_x) 154) (= main_x main_y)), 81026#(or (<= (select main_a main_x) 153) (= main_x main_y)), 81029#(or (<= (select main_a main_x) 156) (= main_x main_y)), 81028#(or (<= (select main_a main_x) 155) (= main_x main_y)), 81031#(or (<= (select main_a main_x) 158) (= main_x main_y)), 81030#(or (<= (select main_a main_x) 157) (= main_x main_y)), 81033#(or (= main_x main_y) (<= (select main_a main_x) 160)), 81032#(or (<= (select main_a main_x) 159) (= main_x main_y)), 81035#(or (= main_x main_y) (<= (select main_a main_x) 162)), 81034#(or (<= (select main_a main_x) 161) (= main_x main_y)), 81037#(or (<= (select main_a main_x) 164) (= main_x main_y)), 81036#(or (<= (select main_a main_x) 163) (= main_x main_y)), 81039#(or (= main_x main_y) (<= (select main_a main_x) 166)), 81038#(or (<= (select main_a main_x) 165) (= main_x main_y)), 81041#(or (<= (select main_a main_x) 168) (= main_x main_y)), 81040#(or (= main_x main_y) (<= (select main_a main_x) 167)), 81043#(or (= main_x main_y) (<= (select main_a main_x) 170)), 81042#(or (= main_x main_y) (<= (select main_a main_x) 169)), 81045#(or (= main_x main_y) (<= (select main_a main_x) 172)), 81044#(or (= main_x main_y) (<= (select main_a main_x) 171)), 81047#(or (= main_x main_y) (<= (select main_a main_x) 174)), 81046#(or (= main_x main_y) (<= (select main_a main_x) 173)), 81048#(or (not (= (select main_a main_x) 1000)) (= main_x main_y)), 80871#true, 80873#(or (= 0 (select main_a main_x)) (= main_x main_y)), 80872#false, 80875#(or (= main_x main_y) (<= (select main_a main_x) 2)), 80874#(or (<= (select main_a main_x) 1) (= main_x main_y)), 80877#(or (<= (select main_a main_x) 4) (= main_x main_y)), 80876#(or (= main_x main_y) (<= (select main_a main_x) 3)), 80879#(or (<= (select main_a main_x) 6) (= main_x main_y)), 80878#(or (<= (select main_a main_x) 5) (= main_x main_y)), 80881#(or (<= (select main_a main_x) 8) (= main_x main_y)), 80880#(or (<= (select main_a main_x) 7) (= main_x main_y)), 80883#(or (= main_x main_y) (<= (select main_a main_x) 10)), 80882#(or (= main_x main_y) (<= (select main_a main_x) 9)), 80885#(or (<= (select main_a main_x) 12) (= main_x main_y)), 80884#(or (= main_x main_y) (<= (select main_a main_x) 11)), 80887#(or (<= (select main_a main_x) 14) (= main_x main_y)), 80886#(or (= main_x main_y) (<= (select main_a main_x) 13)), 80889#(or (<= (select main_a main_x) 16) (= main_x main_y)), 80888#(or (<= (select main_a main_x) 15) (= main_x main_y)), 80891#(or (<= (select main_a main_x) 18) (= main_x main_y)), 80890#(or (= main_x main_y) (<= (select main_a main_x) 17)), 80893#(or (= main_x main_y) (<= (select main_a main_x) 20)), 80892#(or (<= (select main_a main_x) 19) (= main_x main_y)), 80895#(or (= main_x main_y) (<= (select main_a main_x) 22)), 80894#(or (<= (select main_a main_x) 21) (= main_x main_y))] [2018-07-23 13:58:42,938 INFO L134 CoverageAnalysis]: Checked inductivity of 15400 backedges. 0 proven. 15400 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-07-23 13:58:42,938 INFO L450 AbstractCegarLoop]: Interpolant automaton has 178 states [2018-07-23 13:58:42,939 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 178 interpolants. [2018-07-23 13:58:42,940 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=15753, Invalid=15753, Unknown=0, NotChecked=0, Total=31506 [2018-07-23 13:58:42,940 INFO L87 Difference]: Start difference. First operand 179 states and 179 transitions. Second operand 178 states. [2018-07-23 13:58:43,509 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-07-23 13:58:43,510 INFO L93 Difference]: Finished difference Result 182 states and 182 transitions. [2018-07-23 13:58:43,510 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 178 states. [2018-07-23 13:58:43,510 INFO L78 Accepts]: Start accepts. Automaton has 178 states. Word has length 178 [2018-07-23 13:58:43,510 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-07-23 13:58:43,510 INFO L225 Difference]: With dead ends: 182 [2018-07-23 13:58:43,510 INFO L226 Difference]: Without dead ends: 180 [2018-07-23 13:58:43,511 INFO L575 BasicCegarLoop]: 0 DeclaredPredicates, 177 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 176 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 1.6s TimeCoverageRelationStatistics Valid=15753, Invalid=15753, Unknown=0, NotChecked=0, Total=31506 [2018-07-23 13:58:43,511 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 180 states. [2018-07-23 13:58:43,519 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 180 to 180. [2018-07-23 13:58:43,519 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 180 states. [2018-07-23 13:58:43,519 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 180 states to 180 states and 180 transitions. [2018-07-23 13:58:43,519 INFO L78 Accepts]: Start accepts. Automaton has 180 states and 180 transitions. Word has length 178 [2018-07-23 13:58:43,519 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-07-23 13:58:43,519 INFO L471 AbstractCegarLoop]: Abstraction has 180 states and 180 transitions. [2018-07-23 13:58:43,519 INFO L472 AbstractCegarLoop]: Interpolant automaton has 178 states. [2018-07-23 13:58:43,520 INFO L276 IsEmpty]: Start isEmpty. Operand 180 states and 180 transitions. [2018-07-23 13:58:43,520 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 180 [2018-07-23 13:58:43,520 INFO L349 BasicCegarLoop]: Found error trace [2018-07-23 13:58:43,520 INFO L357 BasicCegarLoop]: trace histogram [176, 1, 1, 1] [2018-07-23 13:58:43,520 INFO L414 AbstractCegarLoop]: === Iteration 177 === [mainErr0AssertViolationASSERT]=== [2018-07-23 13:58:43,520 INFO L82 PathProgramCache]: Analyzing trace with hash -677226656, now seen corresponding path program 176 times [2018-07-23 13:58:43,520 INFO L69 tionRefinementEngine]: Using refinement strategy FixedRefinementStrategy [2018-07-23 13:58:43,734 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-07-23 13:58:45,267 INFO L134 CoverageAnalysis]: Checked inductivity of 15576 backedges. 0 proven. 15576 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-07-23 13:58:45,267 INFO L309 seRefinementStrategy]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2018-07-23 13:58:45,267 INFO L324 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [178] total 178 [2018-07-23 13:58:45,267 INFO L142 lantAutomatonBuilder]: Constructing canonical interpolant automaton, with selfloop in false state [2018-07-23 13:58:45,267 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-07-23 13:58:45,268 INFO L185 omatonBuilderFactory]: Interpolants [81921#(or (<= (select main_a main_x) 146) (= main_x main_y)), 81920#(or (= main_x main_y) (<= (select main_a main_x) 145)), 81923#(or (<= (select main_a main_x) 148) (= main_x main_y)), 81922#(or (= main_x main_y) (<= (select main_a main_x) 147)), 81925#(or (= main_x main_y) (<= (select main_a main_x) 150)), 81924#(or (= main_x main_y) (<= (select main_a main_x) 149)), 81927#(or (<= (select main_a main_x) 152) (= main_x main_y)), 81926#(or (<= (select main_a main_x) 151) (= main_x main_y)), 81929#(or (<= (select main_a main_x) 154) (= main_x main_y)), 81928#(or (<= (select main_a main_x) 153) (= main_x main_y)), 81931#(or (<= (select main_a main_x) 156) (= main_x main_y)), 81930#(or (<= (select main_a main_x) 155) (= main_x main_y)), 81933#(or (<= (select main_a main_x) 158) (= main_x main_y)), 81932#(or (<= (select main_a main_x) 157) (= main_x main_y)), 81935#(or (= main_x main_y) (<= (select main_a main_x) 160)), 81934#(or (<= (select main_a main_x) 159) (= main_x main_y)), 81937#(or (= main_x main_y) (<= (select main_a main_x) 162)), 81936#(or (<= (select main_a main_x) 161) (= main_x main_y)), 81939#(or (<= (select main_a main_x) 164) (= main_x main_y)), 81938#(or (<= (select main_a main_x) 163) (= main_x main_y)), 81941#(or (= main_x main_y) (<= (select main_a main_x) 166)), 81940#(or (<= (select main_a main_x) 165) (= main_x main_y)), 81943#(or (<= (select main_a main_x) 168) (= main_x main_y)), 81942#(or (= main_x main_y) (<= (select main_a main_x) 167)), 81945#(or (= main_x main_y) (<= (select main_a main_x) 170)), 81944#(or (= main_x main_y) (<= (select main_a main_x) 169)), 81947#(or (= main_x main_y) (<= (select main_a main_x) 172)), 81946#(or (= main_x main_y) (<= (select main_a main_x) 171)), 81949#(or (= main_x main_y) (<= (select main_a main_x) 174)), 81948#(or (= main_x main_y) (<= (select main_a main_x) 173)), 81951#(or (not (= (select main_a main_x) 1000)) (= main_x main_y)), 81950#(or (<= (select main_a main_x) 175) (= main_x main_y)), 81773#true, 81775#(or (= 0 (select main_a main_x)) (= main_x main_y)), 81774#false, 81777#(or (= main_x main_y) (<= (select main_a main_x) 2)), 81776#(or (<= (select main_a main_x) 1) (= main_x main_y)), 81779#(or (<= (select main_a main_x) 4) (= main_x main_y)), 81778#(or (= main_x main_y) (<= (select main_a main_x) 3)), 81781#(or (<= (select main_a main_x) 6) (= main_x main_y)), 81780#(or (<= (select main_a main_x) 5) (= main_x main_y)), 81783#(or (<= (select main_a main_x) 8) (= main_x main_y)), 81782#(or (<= (select main_a main_x) 7) (= main_x main_y)), 81785#(or (= main_x main_y) (<= (select main_a main_x) 10)), 81784#(or (= main_x main_y) (<= (select main_a main_x) 9)), 81787#(or (<= (select main_a main_x) 12) (= main_x main_y)), 81786#(or (= main_x main_y) (<= (select main_a main_x) 11)), 81789#(or (<= (select main_a main_x) 14) (= main_x main_y)), 81788#(or (= main_x main_y) (<= (select main_a main_x) 13)), 81791#(or (<= (select main_a main_x) 16) (= main_x main_y)), 81790#(or (<= (select main_a main_x) 15) (= main_x main_y)), 81793#(or (<= (select main_a main_x) 18) (= main_x main_y)), 81792#(or (= main_x main_y) (<= (select main_a main_x) 17)), 81795#(or (= main_x main_y) (<= (select main_a main_x) 20)), 81794#(or (<= (select main_a main_x) 19) (= main_x main_y)), 81797#(or (= main_x main_y) (<= (select main_a main_x) 22)), 81796#(or (<= (select main_a main_x) 21) (= main_x main_y)), 81799#(or (<= (select main_a main_x) 24) (= main_x main_y)), 81798#(or (= main_x main_y) (<= (select main_a main_x) 23)), 81801#(or (<= (select main_a main_x) 26) (= main_x main_y)), 81800#(or (= main_x main_y) (<= (select main_a main_x) 25)), 81803#(or (<= (select main_a main_x) 28) (= main_x main_y)), 81802#(or (<= (select main_a main_x) 27) (= main_x main_y)), 81805#(or (= main_x main_y) (<= (select main_a main_x) 30)), 81804#(or (<= (select main_a main_x) 29) (= main_x main_y)), 81807#(or (<= (select main_a main_x) 32) (= main_x main_y)), 81806#(or (<= (select main_a main_x) 31) (= main_x main_y)), 81809#(or (<= (select main_a main_x) 34) (= main_x main_y)), 81808#(or (<= (select main_a main_x) 33) (= main_x main_y)), 81811#(or (<= (select main_a main_x) 36) (= main_x main_y)), 81810#(or (<= (select main_a main_x) 35) (= main_x main_y)), 81813#(or (<= (select main_a main_x) 38) (= main_x main_y)), 81812#(or (<= (select main_a main_x) 37) (= main_x main_y)), 81815#(or (<= (select main_a main_x) 40) (= main_x main_y)), 81814#(or (<= (select main_a main_x) 39) (= main_x main_y)), 81817#(or (<= (select main_a main_x) 42) (= main_x main_y)), 81816#(or (<= (select main_a main_x) 41) (= main_x main_y)), 81819#(or (= main_x main_y) (<= (select main_a main_x) 44)), 81818#(or (= main_x main_y) (<= (select main_a main_x) 43)), 81821#(or (<= (select main_a main_x) 46) (= main_x main_y)), 81820#(or (= main_x main_y) (<= (select main_a main_x) 45)), 81823#(or (<= (select main_a main_x) 48) (= main_x main_y)), 81822#(or (<= (select main_a main_x) 47) (= main_x main_y)), 81825#(or (<= (select main_a main_x) 50) (= main_x main_y)), 81824#(or (<= (select main_a main_x) 49) (= main_x main_y)), 81827#(or (= main_x main_y) (<= (select main_a main_x) 52)), 81826#(or (<= (select main_a main_x) 51) (= main_x main_y)), 81829#(or (<= (select main_a main_x) 54) (= main_x main_y)), 81828#(or (<= (select main_a main_x) 53) (= main_x main_y)), 81831#(or (= main_x main_y) (<= (select main_a main_x) 56)), 81830#(or (<= (select main_a main_x) 55) (= main_x main_y)), 81833#(or (<= (select main_a main_x) 58) (= main_x main_y)), 81832#(or (<= (select main_a main_x) 57) (= main_x main_y)), 81835#(or (= main_x main_y) (<= (select main_a main_x) 60)), 81834#(or (= main_x main_y) (<= (select main_a main_x) 59)), 81837#(or (<= (select main_a main_x) 62) (= main_x main_y)), 81836#(or (= main_x main_y) (<= (select main_a main_x) 61)), 81839#(or (= main_x main_y) (<= (select main_a main_x) 64)), 81838#(or (<= (select main_a main_x) 63) (= main_x main_y)), 81841#(or (= main_x main_y) (<= (select main_a main_x) 66)), 81840#(or (<= (select main_a main_x) 65) (= main_x main_y)), 81843#(or (= main_x main_y) (<= (select main_a main_x) 68)), 81842#(or (<= (select main_a main_x) 67) (= main_x main_y)), 81845#(or (<= (select main_a main_x) 70) (= main_x main_y)), 81844#(or (= main_x main_y) (<= (select main_a main_x) 69)), 81847#(or (= main_x main_y) (<= (select main_a main_x) 72)), 81846#(or (<= (select main_a main_x) 71) (= main_x main_y)), 81849#(or (= main_x main_y) (<= (select main_a main_x) 74)), 81848#(or (<= (select main_a main_x) 73) (= main_x main_y)), 81851#(or (<= (select main_a main_x) 76) (= main_x main_y)), 81850#(or (= main_x main_y) (<= (select main_a main_x) 75)), 81853#(or (<= (select main_a main_x) 78) (= main_x main_y)), 81852#(or (<= (select main_a main_x) 77) (= main_x main_y)), 81855#(or (<= (select main_a main_x) 80) (= main_x main_y)), 81854#(or (<= (select main_a main_x) 79) (= main_x main_y)), 81857#(or (<= (select main_a main_x) 82) (= main_x main_y)), 81856#(or (<= (select main_a main_x) 81) (= main_x main_y)), 81859#(or (<= (select main_a main_x) 84) (= main_x main_y)), 81858#(or (= main_x main_y) (<= (select main_a main_x) 83)), 81861#(or (<= (select main_a main_x) 86) (= main_x main_y)), 81860#(or (<= (select main_a main_x) 85) (= main_x main_y)), 81863#(or (<= (select main_a main_x) 88) (= main_x main_y)), 81862#(or (<= (select main_a main_x) 87) (= main_x main_y)), 81865#(or (<= (select main_a main_x) 90) (= main_x main_y)), 81864#(or (<= (select main_a main_x) 89) (= main_x main_y)), 81867#(or (<= (select main_a main_x) 92) (= main_x main_y)), 81866#(or (= main_x main_y) (<= (select main_a main_x) 91)), 81869#(or (= main_x main_y) (<= (select main_a main_x) 94)), 81868#(or (<= (select main_a main_x) 93) (= main_x main_y)), 81871#(or (<= (select main_a main_x) 96) (= main_x main_y)), 81870#(or (<= (select main_a main_x) 95) (= main_x main_y)), 81873#(or (<= (select main_a main_x) 98) (= main_x main_y)), 81872#(or (= main_x main_y) (<= (select main_a main_x) 97)), 81875#(or (<= (select main_a main_x) 100) (= main_x main_y)), 81874#(or (<= (select main_a main_x) 99) (= main_x main_y)), 81877#(or (= main_x main_y) (<= (select main_a main_x) 102)), 81876#(or (<= (select main_a main_x) 101) (= main_x main_y)), 81879#(or (<= (select main_a main_x) 104) (= main_x main_y)), 81878#(or (<= (select main_a main_x) 103) (= main_x main_y)), 81881#(or (= main_x main_y) (<= (select main_a main_x) 106)), 81880#(or (= main_x main_y) (<= (select main_a main_x) 105)), 81883#(or (<= (select main_a main_x) 108) (= main_x main_y)), 81882#(or (<= (select main_a main_x) 107) (= main_x main_y)), 81885#(or (= main_x main_y) (<= (select main_a main_x) 110)), 81884#(or (= main_x main_y) (<= (select main_a main_x) 109)), 81887#(or (<= (select main_a main_x) 112) (= main_x main_y)), 81886#(or (<= (select main_a main_x) 111) (= main_x main_y)), 81889#(or (= main_x main_y) (<= (select main_a main_x) 114)), 81888#(or (<= (select main_a main_x) 113) (= main_x main_y)), 81891#(or (<= (select main_a main_x) 116) (= main_x main_y)), 81890#(or (= main_x main_y) (<= (select main_a main_x) 115)), 81893#(or (= main_x main_y) (<= (select main_a main_x) 118)), 81892#(or (<= (select main_a main_x) 117) (= main_x main_y)), 81895#(or (<= (select main_a main_x) 120) (= main_x main_y)), 81894#(or (= main_x main_y) (<= (select main_a main_x) 119)), 81897#(or (<= (select main_a main_x) 122) (= main_x main_y)), 81896#(or (= main_x main_y) (<= (select main_a main_x) 121)), 81899#(or (= main_x main_y) (<= (select main_a main_x) 124)), 81898#(or (= main_x main_y) (<= (select main_a main_x) 123)), 81901#(or (= main_x main_y) (<= (select main_a main_x) 126)), 81900#(or (<= (select main_a main_x) 125) (= main_x main_y)), 81903#(or (= main_x main_y) (<= (select main_a main_x) 128)), 81902#(or (<= (select main_a main_x) 127) (= main_x main_y)), 81905#(or (= main_x main_y) (<= (select main_a main_x) 130)), 81904#(or (= main_x main_y) (<= (select main_a main_x) 129)), 81907#(or (<= (select main_a main_x) 132) (= main_x main_y)), 81906#(or (<= (select main_a main_x) 131) (= main_x main_y)), 81909#(or (= main_x main_y) (<= (select main_a main_x) 134)), 81908#(or (= main_x main_y) (<= (select main_a main_x) 133)), 81911#(or (<= (select main_a main_x) 136) (= main_x main_y)), 81910#(or (= main_x main_y) (<= (select main_a main_x) 135)), 81913#(or (= main_x main_y) (<= (select main_a main_x) 138)), 81912#(or (<= (select main_a main_x) 137) (= main_x main_y)), 81915#(or (<= (select main_a main_x) 140) (= main_x main_y)), 81914#(or (= main_x main_y) (<= (select main_a main_x) 139)), 81917#(or (= main_x main_y) (<= (select main_a main_x) 142)), 81916#(or (<= (select main_a main_x) 141) (= main_x main_y)), 81919#(or (<= (select main_a main_x) 144) (= main_x main_y)), 81918#(or (= main_x main_y) (<= (select main_a main_x) 143))] [2018-07-23 13:58:45,268 INFO L134 CoverageAnalysis]: Checked inductivity of 15576 backedges. 0 proven. 15576 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-07-23 13:58:45,269 INFO L450 AbstractCegarLoop]: Interpolant automaton has 179 states [2018-07-23 13:58:45,270 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 179 interpolants. [2018-07-23 13:58:45,271 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=15931, Invalid=15931, Unknown=0, NotChecked=0, Total=31862 [2018-07-23 13:58:45,271 INFO L87 Difference]: Start difference. First operand 180 states and 180 transitions. Second operand 179 states. [2018-07-23 13:58:45,652 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-07-23 13:58:45,653 INFO L93 Difference]: Finished difference Result 183 states and 183 transitions. [2018-07-23 13:58:45,653 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 179 states. [2018-07-23 13:58:45,653 INFO L78 Accepts]: Start accepts. Automaton has 179 states. Word has length 179 [2018-07-23 13:58:45,653 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-07-23 13:58:45,653 INFO L225 Difference]: With dead ends: 183 [2018-07-23 13:58:45,653 INFO L226 Difference]: Without dead ends: 181 [2018-07-23 13:58:45,655 INFO L575 BasicCegarLoop]: 0 DeclaredPredicates, 178 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 177 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 1.3s TimeCoverageRelationStatistics Valid=15931, Invalid=15931, Unknown=0, NotChecked=0, Total=31862 [2018-07-23 13:58:45,655 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 181 states. [2018-07-23 13:58:45,663 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 181 to 181. [2018-07-23 13:58:45,663 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 181 states. [2018-07-23 13:58:45,663 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 181 states to 181 states and 181 transitions. [2018-07-23 13:58:45,663 INFO L78 Accepts]: Start accepts. Automaton has 181 states and 181 transitions. Word has length 179 [2018-07-23 13:58:45,663 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-07-23 13:58:45,663 INFO L471 AbstractCegarLoop]: Abstraction has 181 states and 181 transitions. [2018-07-23 13:58:45,663 INFO L472 AbstractCegarLoop]: Interpolant automaton has 179 states. [2018-07-23 13:58:45,663 INFO L276 IsEmpty]: Start isEmpty. Operand 181 states and 181 transitions. [2018-07-23 13:58:45,664 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 181 [2018-07-23 13:58:45,664 INFO L349 BasicCegarLoop]: Found error trace [2018-07-23 13:58:45,664 INFO L357 BasicCegarLoop]: trace histogram [177, 1, 1, 1] [2018-07-23 13:58:45,664 INFO L414 AbstractCegarLoop]: === Iteration 178 === [mainErr0AssertViolationASSERT]=== [2018-07-23 13:58:45,664 INFO L82 PathProgramCache]: Analyzing trace with hash 480806278, now seen corresponding path program 177 times [2018-07-23 13:58:45,664 INFO L69 tionRefinementEngine]: Using refinement strategy FixedRefinementStrategy [2018-07-23 13:58:45,881 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-07-23 13:58:47,573 INFO L134 CoverageAnalysis]: Checked inductivity of 15753 backedges. 0 proven. 15753 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-07-23 13:58:47,573 INFO L309 seRefinementStrategy]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2018-07-23 13:58:47,573 INFO L324 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [179] total 179 [2018-07-23 13:58:47,573 INFO L142 lantAutomatonBuilder]: Constructing canonical interpolant automaton, with selfloop in false state [2018-07-23 13:58:47,573 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-07-23 13:58:47,574 INFO L185 omatonBuilderFactory]: Interpolants [82689#(or (<= (select main_a main_x) 7) (= main_x main_y)), 82688#(or (<= (select main_a main_x) 6) (= main_x main_y)), 82691#(or (= main_x main_y) (<= (select main_a main_x) 9)), 82690#(or (<= (select main_a main_x) 8) (= main_x main_y)), 82693#(or (= main_x main_y) (<= (select main_a main_x) 11)), 82692#(or (= main_x main_y) (<= (select main_a main_x) 10)), 82695#(or (= main_x main_y) (<= (select main_a main_x) 13)), 82694#(or (<= (select main_a main_x) 12) (= main_x main_y)), 82697#(or (<= (select main_a main_x) 15) (= main_x main_y)), 82696#(or (<= (select main_a main_x) 14) (= main_x main_y)), 82699#(or (= main_x main_y) (<= (select main_a main_x) 17)), 82698#(or (<= (select main_a main_x) 16) (= main_x main_y)), 82701#(or (<= (select main_a main_x) 19) (= main_x main_y)), 82700#(or (<= (select main_a main_x) 18) (= main_x main_y)), 82703#(or (<= (select main_a main_x) 21) (= main_x main_y)), 82702#(or (= main_x main_y) (<= (select main_a main_x) 20)), 82705#(or (= main_x main_y) (<= (select main_a main_x) 23)), 82704#(or (= main_x main_y) (<= (select main_a main_x) 22)), 82707#(or (= main_x main_y) (<= (select main_a main_x) 25)), 82706#(or (<= (select main_a main_x) 24) (= main_x main_y)), 82709#(or (<= (select main_a main_x) 27) (= main_x main_y)), 82708#(or (<= (select main_a main_x) 26) (= main_x main_y)), 82711#(or (<= (select main_a main_x) 29) (= main_x main_y)), 82710#(or (<= (select main_a main_x) 28) (= main_x main_y)), 82713#(or (<= (select main_a main_x) 31) (= main_x main_y)), 82712#(or (= main_x main_y) (<= (select main_a main_x) 30)), 82715#(or (<= (select main_a main_x) 33) (= main_x main_y)), 82714#(or (<= (select main_a main_x) 32) (= main_x main_y)), 82717#(or (<= (select main_a main_x) 35) (= main_x main_y)), 82716#(or (<= (select main_a main_x) 34) (= main_x main_y)), 82719#(or (<= (select main_a main_x) 37) (= main_x main_y)), 82718#(or (<= (select main_a main_x) 36) (= main_x main_y)), 82721#(or (<= (select main_a main_x) 39) (= main_x main_y)), 82720#(or (<= (select main_a main_x) 38) (= main_x main_y)), 82723#(or (<= (select main_a main_x) 41) (= main_x main_y)), 82722#(or (<= (select main_a main_x) 40) (= main_x main_y)), 82725#(or (= main_x main_y) (<= (select main_a main_x) 43)), 82724#(or (<= (select main_a main_x) 42) (= main_x main_y)), 82727#(or (= main_x main_y) (<= (select main_a main_x) 45)), 82726#(or (= main_x main_y) (<= (select main_a main_x) 44)), 82729#(or (<= (select main_a main_x) 47) (= main_x main_y)), 82728#(or (<= (select main_a main_x) 46) (= main_x main_y)), 82731#(or (<= (select main_a main_x) 49) (= main_x main_y)), 82730#(or (<= (select main_a main_x) 48) (= main_x main_y)), 82733#(or (<= (select main_a main_x) 51) (= main_x main_y)), 82732#(or (<= (select main_a main_x) 50) (= main_x main_y)), 82735#(or (<= (select main_a main_x) 53) (= main_x main_y)), 82734#(or (= main_x main_y) (<= (select main_a main_x) 52)), 82737#(or (<= (select main_a main_x) 55) (= main_x main_y)), 82736#(or (<= (select main_a main_x) 54) (= main_x main_y)), 82739#(or (<= (select main_a main_x) 57) (= main_x main_y)), 82738#(or (= main_x main_y) (<= (select main_a main_x) 56)), 82741#(or (= main_x main_y) (<= (select main_a main_x) 59)), 82740#(or (<= (select main_a main_x) 58) (= main_x main_y)), 82743#(or (= main_x main_y) (<= (select main_a main_x) 61)), 82742#(or (= main_x main_y) (<= (select main_a main_x) 60)), 82745#(or (<= (select main_a main_x) 63) (= main_x main_y)), 82744#(or (<= (select main_a main_x) 62) (= main_x main_y)), 82747#(or (<= (select main_a main_x) 65) (= main_x main_y)), 82746#(or (= main_x main_y) (<= (select main_a main_x) 64)), 82749#(or (<= (select main_a main_x) 67) (= main_x main_y)), 82748#(or (= main_x main_y) (<= (select main_a main_x) 66)), 82751#(or (= main_x main_y) (<= (select main_a main_x) 69)), 82750#(or (= main_x main_y) (<= (select main_a main_x) 68)), 82753#(or (<= (select main_a main_x) 71) (= main_x main_y)), 82752#(or (<= (select main_a main_x) 70) (= main_x main_y)), 82755#(or (<= (select main_a main_x) 73) (= main_x main_y)), 82754#(or (= main_x main_y) (<= (select main_a main_x) 72)), 82757#(or (= main_x main_y) (<= (select main_a main_x) 75)), 82756#(or (= main_x main_y) (<= (select main_a main_x) 74)), 82759#(or (<= (select main_a main_x) 77) (= main_x main_y)), 82758#(or (<= (select main_a main_x) 76) (= main_x main_y)), 82761#(or (<= (select main_a main_x) 79) (= main_x main_y)), 82760#(or (<= (select main_a main_x) 78) (= main_x main_y)), 82763#(or (<= (select main_a main_x) 81) (= main_x main_y)), 82762#(or (<= (select main_a main_x) 80) (= main_x main_y)), 82765#(or (= main_x main_y) (<= (select main_a main_x) 83)), 82764#(or (<= (select main_a main_x) 82) (= main_x main_y)), 82767#(or (<= (select main_a main_x) 85) (= main_x main_y)), 82766#(or (<= (select main_a main_x) 84) (= main_x main_y)), 82769#(or (<= (select main_a main_x) 87) (= main_x main_y)), 82768#(or (<= (select main_a main_x) 86) (= main_x main_y)), 82771#(or (<= (select main_a main_x) 89) (= main_x main_y)), 82770#(or (<= (select main_a main_x) 88) (= main_x main_y)), 82773#(or (= main_x main_y) (<= (select main_a main_x) 91)), 82772#(or (<= (select main_a main_x) 90) (= main_x main_y)), 82775#(or (<= (select main_a main_x) 93) (= main_x main_y)), 82774#(or (<= (select main_a main_x) 92) (= main_x main_y)), 82777#(or (<= (select main_a main_x) 95) (= main_x main_y)), 82776#(or (= main_x main_y) (<= (select main_a main_x) 94)), 82779#(or (= main_x main_y) (<= (select main_a main_x) 97)), 82778#(or (<= (select main_a main_x) 96) (= main_x main_y)), 82781#(or (<= (select main_a main_x) 99) (= main_x main_y)), 82780#(or (<= (select main_a main_x) 98) (= main_x main_y)), 82783#(or (<= (select main_a main_x) 101) (= main_x main_y)), 82782#(or (<= (select main_a main_x) 100) (= main_x main_y)), 82785#(or (<= (select main_a main_x) 103) (= main_x main_y)), 82784#(or (= main_x main_y) (<= (select main_a main_x) 102)), 82787#(or (= main_x main_y) (<= (select main_a main_x) 105)), 82786#(or (<= (select main_a main_x) 104) (= main_x main_y)), 82789#(or (<= (select main_a main_x) 107) (= main_x main_y)), 82788#(or (= main_x main_y) (<= (select main_a main_x) 106)), 82791#(or (= main_x main_y) (<= (select main_a main_x) 109)), 82790#(or (<= (select main_a main_x) 108) (= main_x main_y)), 82793#(or (<= (select main_a main_x) 111) (= main_x main_y)), 82792#(or (= main_x main_y) (<= (select main_a main_x) 110)), 82795#(or (<= (select main_a main_x) 113) (= main_x main_y)), 82794#(or (<= (select main_a main_x) 112) (= main_x main_y)), 82797#(or (= main_x main_y) (<= (select main_a main_x) 115)), 82796#(or (= main_x main_y) (<= (select main_a main_x) 114)), 82799#(or (<= (select main_a main_x) 117) (= main_x main_y)), 82798#(or (<= (select main_a main_x) 116) (= main_x main_y)), 82801#(or (= main_x main_y) (<= (select main_a main_x) 119)), 82800#(or (= main_x main_y) (<= (select main_a main_x) 118)), 82803#(or (= main_x main_y) (<= (select main_a main_x) 121)), 82802#(or (<= (select main_a main_x) 120) (= main_x main_y)), 82805#(or (= main_x main_y) (<= (select main_a main_x) 123)), 82804#(or (<= (select main_a main_x) 122) (= main_x main_y)), 82807#(or (<= (select main_a main_x) 125) (= main_x main_y)), 82806#(or (= main_x main_y) (<= (select main_a main_x) 124)), 82809#(or (<= (select main_a main_x) 127) (= main_x main_y)), 82808#(or (= main_x main_y) (<= (select main_a main_x) 126)), 82811#(or (= main_x main_y) (<= (select main_a main_x) 129)), 82810#(or (= main_x main_y) (<= (select main_a main_x) 128)), 82813#(or (<= (select main_a main_x) 131) (= main_x main_y)), 82812#(or (= main_x main_y) (<= (select main_a main_x) 130)), 82815#(or (= main_x main_y) (<= (select main_a main_x) 133)), 82814#(or (<= (select main_a main_x) 132) (= main_x main_y)), 82817#(or (= main_x main_y) (<= (select main_a main_x) 135)), 82816#(or (= main_x main_y) (<= (select main_a main_x) 134)), 82819#(or (<= (select main_a main_x) 137) (= main_x main_y)), 82818#(or (<= (select main_a main_x) 136) (= main_x main_y)), 82821#(or (= main_x main_y) (<= (select main_a main_x) 139)), 82820#(or (= main_x main_y) (<= (select main_a main_x) 138)), 82823#(or (<= (select main_a main_x) 141) (= main_x main_y)), 82822#(or (<= (select main_a main_x) 140) (= main_x main_y)), 82825#(or (= main_x main_y) (<= (select main_a main_x) 143)), 82824#(or (= main_x main_y) (<= (select main_a main_x) 142)), 82827#(or (= main_x main_y) (<= (select main_a main_x) 145)), 82826#(or (<= (select main_a main_x) 144) (= main_x main_y)), 82829#(or (= main_x main_y) (<= (select main_a main_x) 147)), 82828#(or (<= (select main_a main_x) 146) (= main_x main_y)), 82831#(or (= main_x main_y) (<= (select main_a main_x) 149)), 82830#(or (<= (select main_a main_x) 148) (= main_x main_y)), 82833#(or (<= (select main_a main_x) 151) (= main_x main_y)), 82832#(or (= main_x main_y) (<= (select main_a main_x) 150)), 82835#(or (<= (select main_a main_x) 153) (= main_x main_y)), 82834#(or (<= (select main_a main_x) 152) (= main_x main_y)), 82837#(or (<= (select main_a main_x) 155) (= main_x main_y)), 82836#(or (<= (select main_a main_x) 154) (= main_x main_y)), 82839#(or (<= (select main_a main_x) 157) (= main_x main_y)), 82838#(or (<= (select main_a main_x) 156) (= main_x main_y)), 82841#(or (<= (select main_a main_x) 159) (= main_x main_y)), 82840#(or (<= (select main_a main_x) 158) (= main_x main_y)), 82843#(or (<= (select main_a main_x) 161) (= main_x main_y)), 82842#(or (= main_x main_y) (<= (select main_a main_x) 160)), 82845#(or (<= (select main_a main_x) 163) (= main_x main_y)), 82844#(or (= main_x main_y) (<= (select main_a main_x) 162)), 82847#(or (<= (select main_a main_x) 165) (= main_x main_y)), 82846#(or (<= (select main_a main_x) 164) (= main_x main_y)), 82849#(or (= main_x main_y) (<= (select main_a main_x) 167)), 82848#(or (= main_x main_y) (<= (select main_a main_x) 166)), 82851#(or (= main_x main_y) (<= (select main_a main_x) 169)), 82850#(or (<= (select main_a main_x) 168) (= main_x main_y)), 82853#(or (= main_x main_y) (<= (select main_a main_x) 171)), 82852#(or (= main_x main_y) (<= (select main_a main_x) 170)), 82855#(or (= main_x main_y) (<= (select main_a main_x) 173)), 82854#(or (= main_x main_y) (<= (select main_a main_x) 172)), 82857#(or (<= (select main_a main_x) 175) (= main_x main_y)), 82856#(or (= main_x main_y) (<= (select main_a main_x) 174)), 82859#(or (not (= (select main_a main_x) 1000)) (= main_x main_y)), 82858#(or (= main_x main_y) (<= (select main_a main_x) 176)), 82681#false, 82680#true, 82683#(or (<= (select main_a main_x) 1) (= main_x main_y)), 82682#(or (= 0 (select main_a main_x)) (= main_x main_y)), 82685#(or (= main_x main_y) (<= (select main_a main_x) 3)), 82684#(or (= main_x main_y) (<= (select main_a main_x) 2)), 82687#(or (<= (select main_a main_x) 5) (= main_x main_y)), 82686#(or (<= (select main_a main_x) 4) (= main_x main_y))] [2018-07-23 13:58:47,575 INFO L134 CoverageAnalysis]: Checked inductivity of 15753 backedges. 0 proven. 15753 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-07-23 13:58:47,575 INFO L450 AbstractCegarLoop]: Interpolant automaton has 180 states [2018-07-23 13:58:47,577 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 180 interpolants. [2018-07-23 13:58:47,578 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=16110, Invalid=16110, Unknown=0, NotChecked=0, Total=32220 [2018-07-23 13:58:47,578 INFO L87 Difference]: Start difference. First operand 181 states and 181 transitions. Second operand 180 states. [2018-07-23 13:58:48,283 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-07-23 13:58:48,283 INFO L93 Difference]: Finished difference Result 184 states and 184 transitions. [2018-07-23 13:58:48,283 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 180 states. [2018-07-23 13:58:48,284 INFO L78 Accepts]: Start accepts. Automaton has 180 states. Word has length 180 [2018-07-23 13:58:48,284 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-07-23 13:58:48,284 INFO L225 Difference]: With dead ends: 184 [2018-07-23 13:58:48,284 INFO L226 Difference]: Without dead ends: 182 [2018-07-23 13:58:48,285 INFO L575 BasicCegarLoop]: 0 DeclaredPredicates, 179 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 178 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 1.5s TimeCoverageRelationStatistics Valid=16110, Invalid=16110, Unknown=0, NotChecked=0, Total=32220 [2018-07-23 13:58:48,286 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 182 states. [2018-07-23 13:58:48,293 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 182 to 182. [2018-07-23 13:58:48,293 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 182 states. [2018-07-23 13:58:48,293 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 182 states to 182 states and 182 transitions. [2018-07-23 13:58:48,293 INFO L78 Accepts]: Start accepts. Automaton has 182 states and 182 transitions. Word has length 180 [2018-07-23 13:58:48,294 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-07-23 13:58:48,294 INFO L471 AbstractCegarLoop]: Abstraction has 182 states and 182 transitions. [2018-07-23 13:58:48,294 INFO L472 AbstractCegarLoop]: Interpolant automaton has 180 states. [2018-07-23 13:58:48,294 INFO L276 IsEmpty]: Start isEmpty. Operand 182 states and 182 transitions. [2018-07-23 13:58:48,294 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 182 [2018-07-23 13:58:48,294 INFO L349 BasicCegarLoop]: Found error trace [2018-07-23 13:58:48,294 INFO L357 BasicCegarLoop]: trace histogram [178, 1, 1, 1] [2018-07-23 13:58:48,294 INFO L414 AbstractCegarLoop]: === Iteration 179 === [mainErr0AssertViolationASSERT]=== [2018-07-23 13:58:48,294 INFO L82 PathProgramCache]: Analyzing trace with hash 2020088864, now seen corresponding path program 178 times [2018-07-23 13:58:48,295 INFO L69 tionRefinementEngine]: Using refinement strategy FixedRefinementStrategy [2018-07-23 13:58:48,514 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-07-23 13:58:50,154 INFO L134 CoverageAnalysis]: Checked inductivity of 15931 backedges. 0 proven. 15931 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-07-23 13:58:50,155 INFO L309 seRefinementStrategy]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2018-07-23 13:58:50,155 INFO L324 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [180] total 180 [2018-07-23 13:58:50,155 INFO L142 lantAutomatonBuilder]: Constructing canonical interpolant automaton, with selfloop in false state [2018-07-23 13:58:50,155 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-07-23 13:58:50,155 INFO L185 omatonBuilderFactory]: Interpolants [83713#(or (= main_x main_y) (<= (select main_a main_x) 119)), 83712#(or (= main_x main_y) (<= (select main_a main_x) 118)), 83715#(or (= main_x main_y) (<= (select main_a main_x) 121)), 83714#(or (<= (select main_a main_x) 120) (= main_x main_y)), 83717#(or (= main_x main_y) (<= (select main_a main_x) 123)), 83716#(or (<= (select main_a main_x) 122) (= main_x main_y)), 83719#(or (<= (select main_a main_x) 125) (= main_x main_y)), 83718#(or (= main_x main_y) (<= (select main_a main_x) 124)), 83721#(or (<= (select main_a main_x) 127) (= main_x main_y)), 83720#(or (= main_x main_y) (<= (select main_a main_x) 126)), 83723#(or (= main_x main_y) (<= (select main_a main_x) 129)), 83722#(or (= main_x main_y) (<= (select main_a main_x) 128)), 83725#(or (<= (select main_a main_x) 131) (= main_x main_y)), 83724#(or (= main_x main_y) (<= (select main_a main_x) 130)), 83727#(or (= main_x main_y) (<= (select main_a main_x) 133)), 83726#(or (<= (select main_a main_x) 132) (= main_x main_y)), 83729#(or (= main_x main_y) (<= (select main_a main_x) 135)), 83728#(or (= main_x main_y) (<= (select main_a main_x) 134)), 83731#(or (<= (select main_a main_x) 137) (= main_x main_y)), 83730#(or (<= (select main_a main_x) 136) (= main_x main_y)), 83733#(or (= main_x main_y) (<= (select main_a main_x) 139)), 83732#(or (= main_x main_y) (<= (select main_a main_x) 138)), 83735#(or (<= (select main_a main_x) 141) (= main_x main_y)), 83734#(or (<= (select main_a main_x) 140) (= main_x main_y)), 83737#(or (= main_x main_y) (<= (select main_a main_x) 143)), 83736#(or (= main_x main_y) (<= (select main_a main_x) 142)), 83739#(or (= main_x main_y) (<= (select main_a main_x) 145)), 83738#(or (<= (select main_a main_x) 144) (= main_x main_y)), 83741#(or (= main_x main_y) (<= (select main_a main_x) 147)), 83740#(or (<= (select main_a main_x) 146) (= main_x main_y)), 83743#(or (= main_x main_y) (<= (select main_a main_x) 149)), 83742#(or (<= (select main_a main_x) 148) (= main_x main_y)), 83745#(or (<= (select main_a main_x) 151) (= main_x main_y)), 83744#(or (= main_x main_y) (<= (select main_a main_x) 150)), 83747#(or (<= (select main_a main_x) 153) (= main_x main_y)), 83746#(or (<= (select main_a main_x) 152) (= main_x main_y)), 83749#(or (<= (select main_a main_x) 155) (= main_x main_y)), 83748#(or (<= (select main_a main_x) 154) (= main_x main_y)), 83751#(or (<= (select main_a main_x) 157) (= main_x main_y)), 83750#(or (<= (select main_a main_x) 156) (= main_x main_y)), 83753#(or (<= (select main_a main_x) 159) (= main_x main_y)), 83752#(or (<= (select main_a main_x) 158) (= main_x main_y)), 83755#(or (<= (select main_a main_x) 161) (= main_x main_y)), 83754#(or (= main_x main_y) (<= (select main_a main_x) 160)), 83757#(or (<= (select main_a main_x) 163) (= main_x main_y)), 83756#(or (= main_x main_y) (<= (select main_a main_x) 162)), 83759#(or (<= (select main_a main_x) 165) (= main_x main_y)), 83758#(or (<= (select main_a main_x) 164) (= main_x main_y)), 83761#(or (= main_x main_y) (<= (select main_a main_x) 167)), 83760#(or (= main_x main_y) (<= (select main_a main_x) 166)), 83763#(or (= main_x main_y) (<= (select main_a main_x) 169)), 83762#(or (<= (select main_a main_x) 168) (= main_x main_y)), 83765#(or (= main_x main_y) (<= (select main_a main_x) 171)), 83764#(or (= main_x main_y) (<= (select main_a main_x) 170)), 83767#(or (= main_x main_y) (<= (select main_a main_x) 173)), 83766#(or (= main_x main_y) (<= (select main_a main_x) 172)), 83769#(or (<= (select main_a main_x) 175) (= main_x main_y)), 83768#(or (= main_x main_y) (<= (select main_a main_x) 174)), 83771#(or (= main_x main_y) (<= (select main_a main_x) 177)), 83770#(or (= main_x main_y) (<= (select main_a main_x) 176)), 83772#(or (not (= (select main_a main_x) 1000)) (= main_x main_y)), 83593#false, 83592#true, 83595#(or (<= (select main_a main_x) 1) (= main_x main_y)), 83594#(or (= 0 (select main_a main_x)) (= main_x main_y)), 83597#(or (= main_x main_y) (<= (select main_a main_x) 3)), 83596#(or (= main_x main_y) (<= (select main_a main_x) 2)), 83599#(or (<= (select main_a main_x) 5) (= main_x main_y)), 83598#(or (<= (select main_a main_x) 4) (= main_x main_y)), 83601#(or (<= (select main_a main_x) 7) (= main_x main_y)), 83600#(or (<= (select main_a main_x) 6) (= main_x main_y)), 83603#(or (= main_x main_y) (<= (select main_a main_x) 9)), 83602#(or (<= (select main_a main_x) 8) (= main_x main_y)), 83605#(or (= main_x main_y) (<= (select main_a main_x) 11)), 83604#(or (= main_x main_y) (<= (select main_a main_x) 10)), 83607#(or (= main_x main_y) (<= (select main_a main_x) 13)), 83606#(or (<= (select main_a main_x) 12) (= main_x main_y)), 83609#(or (<= (select main_a main_x) 15) (= main_x main_y)), 83608#(or (<= (select main_a main_x) 14) (= main_x main_y)), 83611#(or (= main_x main_y) (<= (select main_a main_x) 17)), 83610#(or (<= (select main_a main_x) 16) (= main_x main_y)), 83613#(or (<= (select main_a main_x) 19) (= main_x main_y)), 83612#(or (<= (select main_a main_x) 18) (= main_x main_y)), 83615#(or (<= (select main_a main_x) 21) (= main_x main_y)), 83614#(or (= main_x main_y) (<= (select main_a main_x) 20)), 83617#(or (= main_x main_y) (<= (select main_a main_x) 23)), 83616#(or (= main_x main_y) (<= (select main_a main_x) 22)), 83619#(or (= main_x main_y) (<= (select main_a main_x) 25)), 83618#(or (<= (select main_a main_x) 24) (= main_x main_y)), 83621#(or (<= (select main_a main_x) 27) (= main_x main_y)), 83620#(or (<= (select main_a main_x) 26) (= main_x main_y)), 83623#(or (<= (select main_a main_x) 29) (= main_x main_y)), 83622#(or (<= (select main_a main_x) 28) (= main_x main_y)), 83625#(or (<= (select main_a main_x) 31) (= main_x main_y)), 83624#(or (= main_x main_y) (<= (select main_a main_x) 30)), 83627#(or (<= (select main_a main_x) 33) (= main_x main_y)), 83626#(or (<= (select main_a main_x) 32) (= main_x main_y)), 83629#(or (<= (select main_a main_x) 35) (= main_x main_y)), 83628#(or (<= (select main_a main_x) 34) (= main_x main_y)), 83631#(or (<= (select main_a main_x) 37) (= main_x main_y)), 83630#(or (<= (select main_a main_x) 36) (= main_x main_y)), 83633#(or (<= (select main_a main_x) 39) (= main_x main_y)), 83632#(or (<= (select main_a main_x) 38) (= main_x main_y)), 83635#(or (<= (select main_a main_x) 41) (= main_x main_y)), 83634#(or (<= (select main_a main_x) 40) (= main_x main_y)), 83637#(or (= main_x main_y) (<= (select main_a main_x) 43)), 83636#(or (<= (select main_a main_x) 42) (= main_x main_y)), 83639#(or (= main_x main_y) (<= (select main_a main_x) 45)), 83638#(or (= main_x main_y) (<= (select main_a main_x) 44)), 83641#(or (<= (select main_a main_x) 47) (= main_x main_y)), 83640#(or (<= (select main_a main_x) 46) (= main_x main_y)), 83643#(or (<= (select main_a main_x) 49) (= main_x main_y)), 83642#(or (<= (select main_a main_x) 48) (= main_x main_y)), 83645#(or (<= (select main_a main_x) 51) (= main_x main_y)), 83644#(or (<= (select main_a main_x) 50) (= main_x main_y)), 83647#(or (<= (select main_a main_x) 53) (= main_x main_y)), 83646#(or (= main_x main_y) (<= (select main_a main_x) 52)), 83649#(or (<= (select main_a main_x) 55) (= main_x main_y)), 83648#(or (<= (select main_a main_x) 54) (= main_x main_y)), 83651#(or (<= (select main_a main_x) 57) (= main_x main_y)), 83650#(or (= main_x main_y) (<= (select main_a main_x) 56)), 83653#(or (= main_x main_y) (<= (select main_a main_x) 59)), 83652#(or (<= (select main_a main_x) 58) (= main_x main_y)), 83655#(or (= main_x main_y) (<= (select main_a main_x) 61)), 83654#(or (= main_x main_y) (<= (select main_a main_x) 60)), 83657#(or (<= (select main_a main_x) 63) (= main_x main_y)), 83656#(or (<= (select main_a main_x) 62) (= main_x main_y)), 83659#(or (<= (select main_a main_x) 65) (= main_x main_y)), 83658#(or (= main_x main_y) (<= (select main_a main_x) 64)), 83661#(or (<= (select main_a main_x) 67) (= main_x main_y)), 83660#(or (= main_x main_y) (<= (select main_a main_x) 66)), 83663#(or (= main_x main_y) (<= (select main_a main_x) 69)), 83662#(or (= main_x main_y) (<= (select main_a main_x) 68)), 83665#(or (<= (select main_a main_x) 71) (= main_x main_y)), 83664#(or (<= (select main_a main_x) 70) (= main_x main_y)), 83667#(or (<= (select main_a main_x) 73) (= main_x main_y)), 83666#(or (= main_x main_y) (<= (select main_a main_x) 72)), 83669#(or (= main_x main_y) (<= (select main_a main_x) 75)), 83668#(or (= main_x main_y) (<= (select main_a main_x) 74)), 83671#(or (<= (select main_a main_x) 77) (= main_x main_y)), 83670#(or (<= (select main_a main_x) 76) (= main_x main_y)), 83673#(or (<= (select main_a main_x) 79) (= main_x main_y)), 83672#(or (<= (select main_a main_x) 78) (= main_x main_y)), 83675#(or (<= (select main_a main_x) 81) (= main_x main_y)), 83674#(or (<= (select main_a main_x) 80) (= main_x main_y)), 83677#(or (= main_x main_y) (<= (select main_a main_x) 83)), 83676#(or (<= (select main_a main_x) 82) (= main_x main_y)), 83679#(or (<= (select main_a main_x) 85) (= main_x main_y)), 83678#(or (<= (select main_a main_x) 84) (= main_x main_y)), 83681#(or (<= (select main_a main_x) 87) (= main_x main_y)), 83680#(or (<= (select main_a main_x) 86) (= main_x main_y)), 83683#(or (<= (select main_a main_x) 89) (= main_x main_y)), 83682#(or (<= (select main_a main_x) 88) (= main_x main_y)), 83685#(or (= main_x main_y) (<= (select main_a main_x) 91)), 83684#(or (<= (select main_a main_x) 90) (= main_x main_y)), 83687#(or (<= (select main_a main_x) 93) (= main_x main_y)), 83686#(or (<= (select main_a main_x) 92) (= main_x main_y)), 83689#(or (<= (select main_a main_x) 95) (= main_x main_y)), 83688#(or (= main_x main_y) (<= (select main_a main_x) 94)), 83691#(or (= main_x main_y) (<= (select main_a main_x) 97)), 83690#(or (<= (select main_a main_x) 96) (= main_x main_y)), 83693#(or (<= (select main_a main_x) 99) (= main_x main_y)), 83692#(or (<= (select main_a main_x) 98) (= main_x main_y)), 83695#(or (<= (select main_a main_x) 101) (= main_x main_y)), 83694#(or (<= (select main_a main_x) 100) (= main_x main_y)), 83697#(or (<= (select main_a main_x) 103) (= main_x main_y)), 83696#(or (= main_x main_y) (<= (select main_a main_x) 102)), 83699#(or (= main_x main_y) (<= (select main_a main_x) 105)), 83698#(or (<= (select main_a main_x) 104) (= main_x main_y)), 83701#(or (<= (select main_a main_x) 107) (= main_x main_y)), 83700#(or (= main_x main_y) (<= (select main_a main_x) 106)), 83703#(or (= main_x main_y) (<= (select main_a main_x) 109)), 83702#(or (<= (select main_a main_x) 108) (= main_x main_y)), 83705#(or (<= (select main_a main_x) 111) (= main_x main_y)), 83704#(or (= main_x main_y) (<= (select main_a main_x) 110)), 83707#(or (<= (select main_a main_x) 113) (= main_x main_y)), 83706#(or (<= (select main_a main_x) 112) (= main_x main_y)), 83709#(or (= main_x main_y) (<= (select main_a main_x) 115)), 83708#(or (= main_x main_y) (<= (select main_a main_x) 114)), 83711#(or (<= (select main_a main_x) 117) (= main_x main_y)), 83710#(or (<= (select main_a main_x) 116) (= main_x main_y))] [2018-07-23 13:58:50,156 INFO L134 CoverageAnalysis]: Checked inductivity of 15931 backedges. 0 proven. 15931 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-07-23 13:58:50,156 INFO L450 AbstractCegarLoop]: Interpolant automaton has 181 states [2018-07-23 13:58:50,158 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 181 interpolants. [2018-07-23 13:58:50,159 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=16290, Invalid=16290, Unknown=0, NotChecked=0, Total=32580 [2018-07-23 13:58:50,159 INFO L87 Difference]: Start difference. First operand 182 states and 182 transitions. Second operand 181 states. [2018-07-23 13:58:50,410 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-07-23 13:58:50,410 INFO L93 Difference]: Finished difference Result 185 states and 185 transitions. [2018-07-23 13:58:50,411 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 181 states. [2018-07-23 13:58:50,411 INFO L78 Accepts]: Start accepts. Automaton has 181 states. Word has length 181 [2018-07-23 13:58:50,411 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-07-23 13:58:50,411 INFO L225 Difference]: With dead ends: 185 [2018-07-23 13:58:50,411 INFO L226 Difference]: Without dead ends: 183 [2018-07-23 13:58:50,413 INFO L575 BasicCegarLoop]: 0 DeclaredPredicates, 180 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 179 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 1.4s TimeCoverageRelationStatistics Valid=16290, Invalid=16290, Unknown=0, NotChecked=0, Total=32580 [2018-07-23 13:58:50,413 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 183 states. [2018-07-23 13:58:50,421 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 183 to 183. [2018-07-23 13:58:50,421 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 183 states. [2018-07-23 13:58:50,421 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 183 states to 183 states and 183 transitions. [2018-07-23 13:58:50,421 INFO L78 Accepts]: Start accepts. Automaton has 183 states and 183 transitions. Word has length 181 [2018-07-23 13:58:50,421 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-07-23 13:58:50,421 INFO L471 AbstractCegarLoop]: Abstraction has 183 states and 183 transitions. [2018-07-23 13:58:50,421 INFO L472 AbstractCegarLoop]: Interpolant automaton has 181 states. [2018-07-23 13:58:50,422 INFO L276 IsEmpty]: Start isEmpty. Operand 183 states and 183 transitions. [2018-07-23 13:58:50,422 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 183 [2018-07-23 13:58:50,422 INFO L349 BasicCegarLoop]: Found error trace [2018-07-23 13:58:50,422 INFO L357 BasicCegarLoop]: trace histogram [179, 1, 1, 1] [2018-07-23 13:58:50,422 INFO L414 AbstractCegarLoop]: === Iteration 180 === [mainErr0AssertViolationASSERT]=== [2018-07-23 13:58:50,422 INFO L82 PathProgramCache]: Analyzing trace with hash -1801758522, now seen corresponding path program 179 times [2018-07-23 13:58:50,423 INFO L69 tionRefinementEngine]: Using refinement strategy FixedRefinementStrategy [2018-07-23 13:58:50,644 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-07-23 13:58:52,307 INFO L134 CoverageAnalysis]: Checked inductivity of 16110 backedges. 0 proven. 16110 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-07-23 13:58:52,308 INFO L309 seRefinementStrategy]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2018-07-23 13:58:52,308 INFO L324 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [181] total 181 [2018-07-23 13:58:52,308 INFO L142 lantAutomatonBuilder]: Constructing canonical interpolant automaton, with selfloop in false state [2018-07-23 13:58:52,308 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-07-23 13:58:52,308 INFO L185 omatonBuilderFactory]: Interpolants [84509#true, 84511#(or (= 0 (select main_a main_x)) (= main_x main_y)), 84510#false, 84513#(or (= main_x main_y) (<= (select main_a main_x) 2)), 84512#(or (<= (select main_a main_x) 1) (= main_x main_y)), 84515#(or (<= (select main_a main_x) 4) (= main_x main_y)), 84514#(or (= main_x main_y) (<= (select main_a main_x) 3)), 84517#(or (<= (select main_a main_x) 6) (= main_x main_y)), 84516#(or (<= (select main_a main_x) 5) (= main_x main_y)), 84519#(or (<= (select main_a main_x) 8) (= main_x main_y)), 84518#(or (<= (select main_a main_x) 7) (= main_x main_y)), 84521#(or (= main_x main_y) (<= (select main_a main_x) 10)), 84520#(or (= main_x main_y) (<= (select main_a main_x) 9)), 84523#(or (<= (select main_a main_x) 12) (= main_x main_y)), 84522#(or (= main_x main_y) (<= (select main_a main_x) 11)), 84525#(or (<= (select main_a main_x) 14) (= main_x main_y)), 84524#(or (= main_x main_y) (<= (select main_a main_x) 13)), 84527#(or (<= (select main_a main_x) 16) (= main_x main_y)), 84526#(or (<= (select main_a main_x) 15) (= main_x main_y)), 84529#(or (<= (select main_a main_x) 18) (= main_x main_y)), 84528#(or (= main_x main_y) (<= (select main_a main_x) 17)), 84531#(or (= main_x main_y) (<= (select main_a main_x) 20)), 84530#(or (<= (select main_a main_x) 19) (= main_x main_y)), 84533#(or (= main_x main_y) (<= (select main_a main_x) 22)), 84532#(or (<= (select main_a main_x) 21) (= main_x main_y)), 84535#(or (<= (select main_a main_x) 24) (= main_x main_y)), 84534#(or (= main_x main_y) (<= (select main_a main_x) 23)), 84537#(or (<= (select main_a main_x) 26) (= main_x main_y)), 84536#(or (= main_x main_y) (<= (select main_a main_x) 25)), 84539#(or (<= (select main_a main_x) 28) (= main_x main_y)), 84538#(or (<= (select main_a main_x) 27) (= main_x main_y)), 84541#(or (= main_x main_y) (<= (select main_a main_x) 30)), 84540#(or (<= (select main_a main_x) 29) (= main_x main_y)), 84543#(or (<= (select main_a main_x) 32) (= main_x main_y)), 84542#(or (<= (select main_a main_x) 31) (= main_x main_y)), 84545#(or (<= (select main_a main_x) 34) (= main_x main_y)), 84544#(or (<= (select main_a main_x) 33) (= main_x main_y)), 84547#(or (<= (select main_a main_x) 36) (= main_x main_y)), 84546#(or (<= (select main_a main_x) 35) (= main_x main_y)), 84549#(or (<= (select main_a main_x) 38) (= main_x main_y)), 84548#(or (<= (select main_a main_x) 37) (= main_x main_y)), 84551#(or (<= (select main_a main_x) 40) (= main_x main_y)), 84550#(or (<= (select main_a main_x) 39) (= main_x main_y)), 84553#(or (<= (select main_a main_x) 42) (= main_x main_y)), 84552#(or (<= (select main_a main_x) 41) (= main_x main_y)), 84555#(or (= main_x main_y) (<= (select main_a main_x) 44)), 84554#(or (= main_x main_y) (<= (select main_a main_x) 43)), 84557#(or (<= (select main_a main_x) 46) (= main_x main_y)), 84556#(or (= main_x main_y) (<= (select main_a main_x) 45)), 84559#(or (<= (select main_a main_x) 48) (= main_x main_y)), 84558#(or (<= (select main_a main_x) 47) (= main_x main_y)), 84561#(or (<= (select main_a main_x) 50) (= main_x main_y)), 84560#(or (<= (select main_a main_x) 49) (= main_x main_y)), 84563#(or (= main_x main_y) (<= (select main_a main_x) 52)), 84562#(or (<= (select main_a main_x) 51) (= main_x main_y)), 84565#(or (<= (select main_a main_x) 54) (= main_x main_y)), 84564#(or (<= (select main_a main_x) 53) (= main_x main_y)), 84567#(or (= main_x main_y) (<= (select main_a main_x) 56)), 84566#(or (<= (select main_a main_x) 55) (= main_x main_y)), 84569#(or (<= (select main_a main_x) 58) (= main_x main_y)), 84568#(or (<= (select main_a main_x) 57) (= main_x main_y)), 84571#(or (= main_x main_y) (<= (select main_a main_x) 60)), 84570#(or (= main_x main_y) (<= (select main_a main_x) 59)), 84573#(or (<= (select main_a main_x) 62) (= main_x main_y)), 84572#(or (= main_x main_y) (<= (select main_a main_x) 61)), 84575#(or (= main_x main_y) (<= (select main_a main_x) 64)), 84574#(or (<= (select main_a main_x) 63) (= main_x main_y)), 84577#(or (= main_x main_y) (<= (select main_a main_x) 66)), 84576#(or (<= (select main_a main_x) 65) (= main_x main_y)), 84579#(or (= main_x main_y) (<= (select main_a main_x) 68)), 84578#(or (<= (select main_a main_x) 67) (= main_x main_y)), 84581#(or (<= (select main_a main_x) 70) (= main_x main_y)), 84580#(or (= main_x main_y) (<= (select main_a main_x) 69)), 84583#(or (= main_x main_y) (<= (select main_a main_x) 72)), 84582#(or (<= (select main_a main_x) 71) (= main_x main_y)), 84585#(or (= main_x main_y) (<= (select main_a main_x) 74)), 84584#(or (<= (select main_a main_x) 73) (= main_x main_y)), 84587#(or (<= (select main_a main_x) 76) (= main_x main_y)), 84586#(or (= main_x main_y) (<= (select main_a main_x) 75)), 84589#(or (<= (select main_a main_x) 78) (= main_x main_y)), 84588#(or (<= (select main_a main_x) 77) (= main_x main_y)), 84591#(or (<= (select main_a main_x) 80) (= main_x main_y)), 84590#(or (<= (select main_a main_x) 79) (= main_x main_y)), 84593#(or (<= (select main_a main_x) 82) (= main_x main_y)), 84592#(or (<= (select main_a main_x) 81) (= main_x main_y)), 84595#(or (<= (select main_a main_x) 84) (= main_x main_y)), 84594#(or (= main_x main_y) (<= (select main_a main_x) 83)), 84597#(or (<= (select main_a main_x) 86) (= main_x main_y)), 84596#(or (<= (select main_a main_x) 85) (= main_x main_y)), 84599#(or (<= (select main_a main_x) 88) (= main_x main_y)), 84598#(or (<= (select main_a main_x) 87) (= main_x main_y)), 84601#(or (<= (select main_a main_x) 90) (= main_x main_y)), 84600#(or (<= (select main_a main_x) 89) (= main_x main_y)), 84603#(or (<= (select main_a main_x) 92) (= main_x main_y)), 84602#(or (= main_x main_y) (<= (select main_a main_x) 91)), 84605#(or (= main_x main_y) (<= (select main_a main_x) 94)), 84604#(or (<= (select main_a main_x) 93) (= main_x main_y)), 84607#(or (<= (select main_a main_x) 96) (= main_x main_y)), 84606#(or (<= (select main_a main_x) 95) (= main_x main_y)), 84609#(or (<= (select main_a main_x) 98) (= main_x main_y)), 84608#(or (= main_x main_y) (<= (select main_a main_x) 97)), 84611#(or (<= (select main_a main_x) 100) (= main_x main_y)), 84610#(or (<= (select main_a main_x) 99) (= main_x main_y)), 84613#(or (= main_x main_y) (<= (select main_a main_x) 102)), 84612#(or (<= (select main_a main_x) 101) (= main_x main_y)), 84615#(or (<= (select main_a main_x) 104) (= main_x main_y)), 84614#(or (<= (select main_a main_x) 103) (= main_x main_y)), 84617#(or (= main_x main_y) (<= (select main_a main_x) 106)), 84616#(or (= main_x main_y) (<= (select main_a main_x) 105)), 84619#(or (<= (select main_a main_x) 108) (= main_x main_y)), 84618#(or (<= (select main_a main_x) 107) (= main_x main_y)), 84621#(or (= main_x main_y) (<= (select main_a main_x) 110)), 84620#(or (= main_x main_y) (<= (select main_a main_x) 109)), 84623#(or (<= (select main_a main_x) 112) (= main_x main_y)), 84622#(or (<= (select main_a main_x) 111) (= main_x main_y)), 84625#(or (= main_x main_y) (<= (select main_a main_x) 114)), 84624#(or (<= (select main_a main_x) 113) (= main_x main_y)), 84627#(or (<= (select main_a main_x) 116) (= main_x main_y)), 84626#(or (= main_x main_y) (<= (select main_a main_x) 115)), 84629#(or (= main_x main_y) (<= (select main_a main_x) 118)), 84628#(or (<= (select main_a main_x) 117) (= main_x main_y)), 84631#(or (<= (select main_a main_x) 120) (= main_x main_y)), 84630#(or (= main_x main_y) (<= (select main_a main_x) 119)), 84633#(or (<= (select main_a main_x) 122) (= main_x main_y)), 84632#(or (= main_x main_y) (<= (select main_a main_x) 121)), 84635#(or (= main_x main_y) (<= (select main_a main_x) 124)), 84634#(or (= main_x main_y) (<= (select main_a main_x) 123)), 84637#(or (= main_x main_y) (<= (select main_a main_x) 126)), 84636#(or (<= (select main_a main_x) 125) (= main_x main_y)), 84639#(or (= main_x main_y) (<= (select main_a main_x) 128)), 84638#(or (<= (select main_a main_x) 127) (= main_x main_y)), 84641#(or (= main_x main_y) (<= (select main_a main_x) 130)), 84640#(or (= main_x main_y) (<= (select main_a main_x) 129)), 84643#(or (<= (select main_a main_x) 132) (= main_x main_y)), 84642#(or (<= (select main_a main_x) 131) (= main_x main_y)), 84645#(or (= main_x main_y) (<= (select main_a main_x) 134)), 84644#(or (= main_x main_y) (<= (select main_a main_x) 133)), 84647#(or (<= (select main_a main_x) 136) (= main_x main_y)), 84646#(or (= main_x main_y) (<= (select main_a main_x) 135)), 84649#(or (= main_x main_y) (<= (select main_a main_x) 138)), 84648#(or (<= (select main_a main_x) 137) (= main_x main_y)), 84651#(or (<= (select main_a main_x) 140) (= main_x main_y)), 84650#(or (= main_x main_y) (<= (select main_a main_x) 139)), 84653#(or (= main_x main_y) (<= (select main_a main_x) 142)), 84652#(or (<= (select main_a main_x) 141) (= main_x main_y)), 84655#(or (<= (select main_a main_x) 144) (= main_x main_y)), 84654#(or (= main_x main_y) (<= (select main_a main_x) 143)), 84657#(or (<= (select main_a main_x) 146) (= main_x main_y)), 84656#(or (= main_x main_y) (<= (select main_a main_x) 145)), 84659#(or (<= (select main_a main_x) 148) (= main_x main_y)), 84658#(or (= main_x main_y) (<= (select main_a main_x) 147)), 84661#(or (= main_x main_y) (<= (select main_a main_x) 150)), 84660#(or (= main_x main_y) (<= (select main_a main_x) 149)), 84663#(or (<= (select main_a main_x) 152) (= main_x main_y)), 84662#(or (<= (select main_a main_x) 151) (= main_x main_y)), 84665#(or (<= (select main_a main_x) 154) (= main_x main_y)), 84664#(or (<= (select main_a main_x) 153) (= main_x main_y)), 84667#(or (<= (select main_a main_x) 156) (= main_x main_y)), 84666#(or (<= (select main_a main_x) 155) (= main_x main_y)), 84669#(or (<= (select main_a main_x) 158) (= main_x main_y)), 84668#(or (<= (select main_a main_x) 157) (= main_x main_y)), 84671#(or (= main_x main_y) (<= (select main_a main_x) 160)), 84670#(or (<= (select main_a main_x) 159) (= main_x main_y)), 84673#(or (= main_x main_y) (<= (select main_a main_x) 162)), 84672#(or (<= (select main_a main_x) 161) (= main_x main_y)), 84675#(or (<= (select main_a main_x) 164) (= main_x main_y)), 84674#(or (<= (select main_a main_x) 163) (= main_x main_y)), 84677#(or (= main_x main_y) (<= (select main_a main_x) 166)), 84676#(or (<= (select main_a main_x) 165) (= main_x main_y)), 84679#(or (<= (select main_a main_x) 168) (= main_x main_y)), 84678#(or (= main_x main_y) (<= (select main_a main_x) 167)), 84681#(or (= main_x main_y) (<= (select main_a main_x) 170)), 84680#(or (= main_x main_y) (<= (select main_a main_x) 169)), 84683#(or (= main_x main_y) (<= (select main_a main_x) 172)), 84682#(or (= main_x main_y) (<= (select main_a main_x) 171)), 84685#(or (= main_x main_y) (<= (select main_a main_x) 174)), 84684#(or (= main_x main_y) (<= (select main_a main_x) 173)), 84687#(or (= main_x main_y) (<= (select main_a main_x) 176)), 84686#(or (<= (select main_a main_x) 175) (= main_x main_y)), 84689#(or (= main_x main_y) (<= (select main_a main_x) 178)), 84688#(or (= main_x main_y) (<= (select main_a main_x) 177)), 84690#(or (not (= (select main_a main_x) 1000)) (= main_x main_y))] [2018-07-23 13:58:52,310 INFO L134 CoverageAnalysis]: Checked inductivity of 16110 backedges. 0 proven. 16110 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-07-23 13:58:52,310 INFO L450 AbstractCegarLoop]: Interpolant automaton has 182 states [2018-07-23 13:58:52,312 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 182 interpolants. [2018-07-23 13:58:52,314 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=16471, Invalid=16471, Unknown=0, NotChecked=0, Total=32942 [2018-07-23 13:58:52,314 INFO L87 Difference]: Start difference. First operand 183 states and 183 transitions. Second operand 182 states. [2018-07-23 13:58:53,084 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-07-23 13:58:53,084 INFO L93 Difference]: Finished difference Result 186 states and 186 transitions. [2018-07-23 13:58:53,084 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 182 states. [2018-07-23 13:58:53,084 INFO L78 Accepts]: Start accepts. Automaton has 182 states. Word has length 182 [2018-07-23 13:58:53,084 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-07-23 13:58:53,084 INFO L225 Difference]: With dead ends: 186 [2018-07-23 13:58:53,085 INFO L226 Difference]: Without dead ends: 184 [2018-07-23 13:58:53,087 INFO L575 BasicCegarLoop]: 0 DeclaredPredicates, 181 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 180 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 1.4s TimeCoverageRelationStatistics Valid=16471, Invalid=16471, Unknown=0, NotChecked=0, Total=32942 [2018-07-23 13:58:53,087 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 184 states. [2018-07-23 13:58:53,095 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 184 to 184. [2018-07-23 13:58:53,096 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 184 states. [2018-07-23 13:58:53,096 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 184 states to 184 states and 184 transitions. [2018-07-23 13:58:53,096 INFO L78 Accepts]: Start accepts. Automaton has 184 states and 184 transitions. Word has length 182 [2018-07-23 13:58:53,096 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-07-23 13:58:53,096 INFO L471 AbstractCegarLoop]: Abstraction has 184 states and 184 transitions. [2018-07-23 13:58:53,096 INFO L472 AbstractCegarLoop]: Interpolant automaton has 182 states. [2018-07-23 13:58:53,096 INFO L276 IsEmpty]: Start isEmpty. Operand 184 states and 184 transitions. [2018-07-23 13:58:53,097 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 184 [2018-07-23 13:58:53,097 INFO L349 BasicCegarLoop]: Found error trace [2018-07-23 13:58:53,097 INFO L357 BasicCegarLoop]: trace histogram [180, 1, 1, 1] [2018-07-23 13:58:53,097 INFO L414 AbstractCegarLoop]: === Iteration 181 === [mainErr0AssertViolationASSERT]=== [2018-07-23 13:58:53,097 INFO L82 PathProgramCache]: Analyzing trace with hash -19943200, now seen corresponding path program 180 times [2018-07-23 13:58:53,097 INFO L69 tionRefinementEngine]: Using refinement strategy FixedRefinementStrategy [2018-07-23 13:58:53,321 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-07-23 13:58:54,980 INFO L134 CoverageAnalysis]: Checked inductivity of 16290 backedges. 0 proven. 16290 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-07-23 13:58:54,981 INFO L309 seRefinementStrategy]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2018-07-23 13:58:54,981 INFO L324 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [182] total 182 [2018-07-23 13:58:54,981 INFO L142 lantAutomatonBuilder]: Constructing canonical interpolant automaton, with selfloop in false state [2018-07-23 13:58:54,981 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-07-23 13:58:54,982 INFO L185 omatonBuilderFactory]: Interpolants [85505#(or (= main_x main_y) (<= (select main_a main_x) 72)), 85504#(or (<= (select main_a main_x) 71) (= main_x main_y)), 85507#(or (= main_x main_y) (<= (select main_a main_x) 74)), 85506#(or (<= (select main_a main_x) 73) (= main_x main_y)), 85509#(or (<= (select main_a main_x) 76) (= main_x main_y)), 85508#(or (= main_x main_y) (<= (select main_a main_x) 75)), 85511#(or (<= (select main_a main_x) 78) (= main_x main_y)), 85510#(or (<= (select main_a main_x) 77) (= main_x main_y)), 85513#(or (<= (select main_a main_x) 80) (= main_x main_y)), 85512#(or (<= (select main_a main_x) 79) (= main_x main_y)), 85515#(or (<= (select main_a main_x) 82) (= main_x main_y)), 85514#(or (<= (select main_a main_x) 81) (= main_x main_y)), 85517#(or (<= (select main_a main_x) 84) (= main_x main_y)), 85516#(or (= main_x main_y) (<= (select main_a main_x) 83)), 85519#(or (<= (select main_a main_x) 86) (= main_x main_y)), 85518#(or (<= (select main_a main_x) 85) (= main_x main_y)), 85521#(or (<= (select main_a main_x) 88) (= main_x main_y)), 85520#(or (<= (select main_a main_x) 87) (= main_x main_y)), 85523#(or (<= (select main_a main_x) 90) (= main_x main_y)), 85522#(or (<= (select main_a main_x) 89) (= main_x main_y)), 85525#(or (<= (select main_a main_x) 92) (= main_x main_y)), 85524#(or (= main_x main_y) (<= (select main_a main_x) 91)), 85527#(or (= main_x main_y) (<= (select main_a main_x) 94)), 85526#(or (<= (select main_a main_x) 93) (= main_x main_y)), 85529#(or (<= (select main_a main_x) 96) (= main_x main_y)), 85528#(or (<= (select main_a main_x) 95) (= main_x main_y)), 85531#(or (<= (select main_a main_x) 98) (= main_x main_y)), 85530#(or (= main_x main_y) (<= (select main_a main_x) 97)), 85533#(or (<= (select main_a main_x) 100) (= main_x main_y)), 85532#(or (<= (select main_a main_x) 99) (= main_x main_y)), 85535#(or (= main_x main_y) (<= (select main_a main_x) 102)), 85534#(or (<= (select main_a main_x) 101) (= main_x main_y)), 85537#(or (<= (select main_a main_x) 104) (= main_x main_y)), 85536#(or (<= (select main_a main_x) 103) (= main_x main_y)), 85539#(or (= main_x main_y) (<= (select main_a main_x) 106)), 85538#(or (= main_x main_y) (<= (select main_a main_x) 105)), 85541#(or (<= (select main_a main_x) 108) (= main_x main_y)), 85540#(or (<= (select main_a main_x) 107) (= main_x main_y)), 85543#(or (= main_x main_y) (<= (select main_a main_x) 110)), 85542#(or (= main_x main_y) (<= (select main_a main_x) 109)), 85545#(or (<= (select main_a main_x) 112) (= main_x main_y)), 85544#(or (<= (select main_a main_x) 111) (= main_x main_y)), 85547#(or (= main_x main_y) (<= (select main_a main_x) 114)), 85546#(or (<= (select main_a main_x) 113) (= main_x main_y)), 85549#(or (<= (select main_a main_x) 116) (= main_x main_y)), 85548#(or (= main_x main_y) (<= (select main_a main_x) 115)), 85551#(or (= main_x main_y) (<= (select main_a main_x) 118)), 85550#(or (<= (select main_a main_x) 117) (= main_x main_y)), 85553#(or (<= (select main_a main_x) 120) (= main_x main_y)), 85552#(or (= main_x main_y) (<= (select main_a main_x) 119)), 85555#(or (<= (select main_a main_x) 122) (= main_x main_y)), 85554#(or (= main_x main_y) (<= (select main_a main_x) 121)), 85557#(or (= main_x main_y) (<= (select main_a main_x) 124)), 85556#(or (= main_x main_y) (<= (select main_a main_x) 123)), 85559#(or (= main_x main_y) (<= (select main_a main_x) 126)), 85558#(or (<= (select main_a main_x) 125) (= main_x main_y)), 85561#(or (= main_x main_y) (<= (select main_a main_x) 128)), 85560#(or (<= (select main_a main_x) 127) (= main_x main_y)), 85563#(or (= main_x main_y) (<= (select main_a main_x) 130)), 85562#(or (= main_x main_y) (<= (select main_a main_x) 129)), 85565#(or (<= (select main_a main_x) 132) (= main_x main_y)), 85564#(or (<= (select main_a main_x) 131) (= main_x main_y)), 85567#(or (= main_x main_y) (<= (select main_a main_x) 134)), 85566#(or (= main_x main_y) (<= (select main_a main_x) 133)), 85569#(or (<= (select main_a main_x) 136) (= main_x main_y)), 85568#(or (= main_x main_y) (<= (select main_a main_x) 135)), 85571#(or (= main_x main_y) (<= (select main_a main_x) 138)), 85570#(or (<= (select main_a main_x) 137) (= main_x main_y)), 85573#(or (<= (select main_a main_x) 140) (= main_x main_y)), 85572#(or (= main_x main_y) (<= (select main_a main_x) 139)), 85575#(or (= main_x main_y) (<= (select main_a main_x) 142)), 85574#(or (<= (select main_a main_x) 141) (= main_x main_y)), 85577#(or (<= (select main_a main_x) 144) (= main_x main_y)), 85576#(or (= main_x main_y) (<= (select main_a main_x) 143)), 85579#(or (<= (select main_a main_x) 146) (= main_x main_y)), 85578#(or (= main_x main_y) (<= (select main_a main_x) 145)), 85581#(or (<= (select main_a main_x) 148) (= main_x main_y)), 85580#(or (= main_x main_y) (<= (select main_a main_x) 147)), 85583#(or (= main_x main_y) (<= (select main_a main_x) 150)), 85582#(or (= main_x main_y) (<= (select main_a main_x) 149)), 85585#(or (<= (select main_a main_x) 152) (= main_x main_y)), 85584#(or (<= (select main_a main_x) 151) (= main_x main_y)), 85587#(or (<= (select main_a main_x) 154) (= main_x main_y)), 85586#(or (<= (select main_a main_x) 153) (= main_x main_y)), 85589#(or (<= (select main_a main_x) 156) (= main_x main_y)), 85588#(or (<= (select main_a main_x) 155) (= main_x main_y)), 85591#(or (<= (select main_a main_x) 158) (= main_x main_y)), 85590#(or (<= (select main_a main_x) 157) (= main_x main_y)), 85593#(or (= main_x main_y) (<= (select main_a main_x) 160)), 85592#(or (<= (select main_a main_x) 159) (= main_x main_y)), 85595#(or (= main_x main_y) (<= (select main_a main_x) 162)), 85594#(or (<= (select main_a main_x) 161) (= main_x main_y)), 85597#(or (<= (select main_a main_x) 164) (= main_x main_y)), 85596#(or (<= (select main_a main_x) 163) (= main_x main_y)), 85599#(or (= main_x main_y) (<= (select main_a main_x) 166)), 85598#(or (<= (select main_a main_x) 165) (= main_x main_y)), 85601#(or (<= (select main_a main_x) 168) (= main_x main_y)), 85600#(or (= main_x main_y) (<= (select main_a main_x) 167)), 85603#(or (= main_x main_y) (<= (select main_a main_x) 170)), 85602#(or (= main_x main_y) (<= (select main_a main_x) 169)), 85605#(or (= main_x main_y) (<= (select main_a main_x) 172)), 85604#(or (= main_x main_y) (<= (select main_a main_x) 171)), 85607#(or (= main_x main_y) (<= (select main_a main_x) 174)), 85606#(or (= main_x main_y) (<= (select main_a main_x) 173)), 85609#(or (= main_x main_y) (<= (select main_a main_x) 176)), 85608#(or (<= (select main_a main_x) 175) (= main_x main_y)), 85611#(or (= main_x main_y) (<= (select main_a main_x) 178)), 85610#(or (= main_x main_y) (<= (select main_a main_x) 177)), 85613#(or (not (= (select main_a main_x) 1000)) (= main_x main_y)), 85612#(or (<= (select main_a main_x) 179) (= main_x main_y)), 85431#true, 85433#(or (= 0 (select main_a main_x)) (= main_x main_y)), 85432#false, 85435#(or (= main_x main_y) (<= (select main_a main_x) 2)), 85434#(or (<= (select main_a main_x) 1) (= main_x main_y)), 85437#(or (<= (select main_a main_x) 4) (= main_x main_y)), 85436#(or (= main_x main_y) (<= (select main_a main_x) 3)), 85439#(or (<= (select main_a main_x) 6) (= main_x main_y)), 85438#(or (<= (select main_a main_x) 5) (= main_x main_y)), 85441#(or (<= (select main_a main_x) 8) (= main_x main_y)), 85440#(or (<= (select main_a main_x) 7) (= main_x main_y)), 85443#(or (= main_x main_y) (<= (select main_a main_x) 10)), 85442#(or (= main_x main_y) (<= (select main_a main_x) 9)), 85445#(or (<= (select main_a main_x) 12) (= main_x main_y)), 85444#(or (= main_x main_y) (<= (select main_a main_x) 11)), 85447#(or (<= (select main_a main_x) 14) (= main_x main_y)), 85446#(or (= main_x main_y) (<= (select main_a main_x) 13)), 85449#(or (<= (select main_a main_x) 16) (= main_x main_y)), 85448#(or (<= (select main_a main_x) 15) (= main_x main_y)), 85451#(or (<= (select main_a main_x) 18) (= main_x main_y)), 85450#(or (= main_x main_y) (<= (select main_a main_x) 17)), 85453#(or (= main_x main_y) (<= (select main_a main_x) 20)), 85452#(or (<= (select main_a main_x) 19) (= main_x main_y)), 85455#(or (= main_x main_y) (<= (select main_a main_x) 22)), 85454#(or (<= (select main_a main_x) 21) (= main_x main_y)), 85457#(or (<= (select main_a main_x) 24) (= main_x main_y)), 85456#(or (= main_x main_y) (<= (select main_a main_x) 23)), 85459#(or (<= (select main_a main_x) 26) (= main_x main_y)), 85458#(or (= main_x main_y) (<= (select main_a main_x) 25)), 85461#(or (<= (select main_a main_x) 28) (= main_x main_y)), 85460#(or (<= (select main_a main_x) 27) (= main_x main_y)), 85463#(or (= main_x main_y) (<= (select main_a main_x) 30)), 85462#(or (<= (select main_a main_x) 29) (= main_x main_y)), 85465#(or (<= (select main_a main_x) 32) (= main_x main_y)), 85464#(or (<= (select main_a main_x) 31) (= main_x main_y)), 85467#(or (<= (select main_a main_x) 34) (= main_x main_y)), 85466#(or (<= (select main_a main_x) 33) (= main_x main_y)), 85469#(or (<= (select main_a main_x) 36) (= main_x main_y)), 85468#(or (<= (select main_a main_x) 35) (= main_x main_y)), 85471#(or (<= (select main_a main_x) 38) (= main_x main_y)), 85470#(or (<= (select main_a main_x) 37) (= main_x main_y)), 85473#(or (<= (select main_a main_x) 40) (= main_x main_y)), 85472#(or (<= (select main_a main_x) 39) (= main_x main_y)), 85475#(or (<= (select main_a main_x) 42) (= main_x main_y)), 85474#(or (<= (select main_a main_x) 41) (= main_x main_y)), 85477#(or (= main_x main_y) (<= (select main_a main_x) 44)), 85476#(or (= main_x main_y) (<= (select main_a main_x) 43)), 85479#(or (<= (select main_a main_x) 46) (= main_x main_y)), 85478#(or (= main_x main_y) (<= (select main_a main_x) 45)), 85481#(or (<= (select main_a main_x) 48) (= main_x main_y)), 85480#(or (<= (select main_a main_x) 47) (= main_x main_y)), 85483#(or (<= (select main_a main_x) 50) (= main_x main_y)), 85482#(or (<= (select main_a main_x) 49) (= main_x main_y)), 85485#(or (= main_x main_y) (<= (select main_a main_x) 52)), 85484#(or (<= (select main_a main_x) 51) (= main_x main_y)), 85487#(or (<= (select main_a main_x) 54) (= main_x main_y)), 85486#(or (<= (select main_a main_x) 53) (= main_x main_y)), 85489#(or (= main_x main_y) (<= (select main_a main_x) 56)), 85488#(or (<= (select main_a main_x) 55) (= main_x main_y)), 85491#(or (<= (select main_a main_x) 58) (= main_x main_y)), 85490#(or (<= (select main_a main_x) 57) (= main_x main_y)), 85493#(or (= main_x main_y) (<= (select main_a main_x) 60)), 85492#(or (= main_x main_y) (<= (select main_a main_x) 59)), 85495#(or (<= (select main_a main_x) 62) (= main_x main_y)), 85494#(or (= main_x main_y) (<= (select main_a main_x) 61)), 85497#(or (= main_x main_y) (<= (select main_a main_x) 64)), 85496#(or (<= (select main_a main_x) 63) (= main_x main_y)), 85499#(or (= main_x main_y) (<= (select main_a main_x) 66)), 85498#(or (<= (select main_a main_x) 65) (= main_x main_y)), 85501#(or (= main_x main_y) (<= (select main_a main_x) 68)), 85500#(or (<= (select main_a main_x) 67) (= main_x main_y)), 85503#(or (<= (select main_a main_x) 70) (= main_x main_y)), 85502#(or (= main_x main_y) (<= (select main_a main_x) 69))] [2018-07-23 13:58:54,983 INFO L134 CoverageAnalysis]: Checked inductivity of 16290 backedges. 0 proven. 16290 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-07-23 13:58:54,983 INFO L450 AbstractCegarLoop]: Interpolant automaton has 183 states [2018-07-23 13:58:54,985 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 183 interpolants. [2018-07-23 13:58:54,986 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=16653, Invalid=16653, Unknown=0, NotChecked=0, Total=33306 [2018-07-23 13:58:54,986 INFO L87 Difference]: Start difference. First operand 184 states and 184 transitions. Second operand 183 states. [2018-07-23 13:58:55,319 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-07-23 13:58:55,319 INFO L93 Difference]: Finished difference Result 187 states and 187 transitions. [2018-07-23 13:58:55,320 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 183 states. [2018-07-23 13:58:55,320 INFO L78 Accepts]: Start accepts. Automaton has 183 states. Word has length 183 [2018-07-23 13:58:55,320 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-07-23 13:58:55,320 INFO L225 Difference]: With dead ends: 187 [2018-07-23 13:58:55,320 INFO L226 Difference]: Without dead ends: 185 [2018-07-23 13:58:55,322 INFO L575 BasicCegarLoop]: 0 DeclaredPredicates, 182 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 181 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 1.4s TimeCoverageRelationStatistics Valid=16653, Invalid=16653, Unknown=0, NotChecked=0, Total=33306 [2018-07-23 13:58:55,322 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 185 states. [2018-07-23 13:58:55,335 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 185 to 185. [2018-07-23 13:58:55,335 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 185 states. [2018-07-23 13:58:55,336 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 185 states to 185 states and 185 transitions. [2018-07-23 13:58:55,336 INFO L78 Accepts]: Start accepts. Automaton has 185 states and 185 transitions. Word has length 183 [2018-07-23 13:58:55,336 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-07-23 13:58:55,336 INFO L471 AbstractCegarLoop]: Abstraction has 185 states and 185 transitions. [2018-07-23 13:58:55,336 INFO L472 AbstractCegarLoop]: Interpolant automaton has 183 states. [2018-07-23 13:58:55,336 INFO L276 IsEmpty]: Start isEmpty. Operand 185 states and 185 transitions. [2018-07-23 13:58:55,337 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 185 [2018-07-23 13:58:55,337 INFO L349 BasicCegarLoop]: Found error trace [2018-07-23 13:58:55,337 INFO L357 BasicCegarLoop]: trace histogram [181, 1, 1, 1] [2018-07-23 13:58:55,337 INFO L414 AbstractCegarLoop]: === Iteration 182 === [mainErr0AssertViolationASSERT]=== [2018-07-23 13:58:55,337 INFO L82 PathProgramCache]: Analyzing trace with hash -618243066, now seen corresponding path program 181 times [2018-07-23 13:58:55,338 INFO L69 tionRefinementEngine]: Using refinement strategy FixedRefinementStrategy [2018-07-23 13:58:55,622 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-07-23 13:58:57,356 INFO L134 CoverageAnalysis]: Checked inductivity of 16471 backedges. 0 proven. 16471 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-07-23 13:58:57,356 INFO L309 seRefinementStrategy]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2018-07-23 13:58:57,356 INFO L324 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [183] total 183 [2018-07-23 13:58:57,357 INFO L142 lantAutomatonBuilder]: Constructing canonical interpolant automaton, with selfloop in false state [2018-07-23 13:58:57,357 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-07-23 13:58:57,357 INFO L185 omatonBuilderFactory]: Interpolants [86529#(or (= main_x main_y) (<= (select main_a main_x) 169)), 86528#(or (<= (select main_a main_x) 168) (= main_x main_y)), 86531#(or (= main_x main_y) (<= (select main_a main_x) 171)), 86530#(or (= main_x main_y) (<= (select main_a main_x) 170)), 86533#(or (= main_x main_y) (<= (select main_a main_x) 173)), 86532#(or (= main_x main_y) (<= (select main_a main_x) 172)), 86535#(or (<= (select main_a main_x) 175) (= main_x main_y)), 86534#(or (= main_x main_y) (<= (select main_a main_x) 174)), 86537#(or (= main_x main_y) (<= (select main_a main_x) 177)), 86536#(or (= main_x main_y) (<= (select main_a main_x) 176)), 86539#(or (<= (select main_a main_x) 179) (= main_x main_y)), 86538#(or (= main_x main_y) (<= (select main_a main_x) 178)), 86541#(or (not (= (select main_a main_x) 1000)) (= main_x main_y)), 86540#(or (<= (select main_a main_x) 180) (= main_x main_y)), 86359#false, 86358#true, 86361#(or (<= (select main_a main_x) 1) (= main_x main_y)), 86360#(or (= 0 (select main_a main_x)) (= main_x main_y)), 86363#(or (= main_x main_y) (<= (select main_a main_x) 3)), 86362#(or (= main_x main_y) (<= (select main_a main_x) 2)), 86365#(or (<= (select main_a main_x) 5) (= main_x main_y)), 86364#(or (<= (select main_a main_x) 4) (= main_x main_y)), 86367#(or (<= (select main_a main_x) 7) (= main_x main_y)), 86366#(or (<= (select main_a main_x) 6) (= main_x main_y)), 86369#(or (= main_x main_y) (<= (select main_a main_x) 9)), 86368#(or (<= (select main_a main_x) 8) (= main_x main_y)), 86371#(or (= main_x main_y) (<= (select main_a main_x) 11)), 86370#(or (= main_x main_y) (<= (select main_a main_x) 10)), 86373#(or (= main_x main_y) (<= (select main_a main_x) 13)), 86372#(or (<= (select main_a main_x) 12) (= main_x main_y)), 86375#(or (<= (select main_a main_x) 15) (= main_x main_y)), 86374#(or (<= (select main_a main_x) 14) (= main_x main_y)), 86377#(or (= main_x main_y) (<= (select main_a main_x) 17)), 86376#(or (<= (select main_a main_x) 16) (= main_x main_y)), 86379#(or (<= (select main_a main_x) 19) (= main_x main_y)), 86378#(or (<= (select main_a main_x) 18) (= main_x main_y)), 86381#(or (<= (select main_a main_x) 21) (= main_x main_y)), 86380#(or (= main_x main_y) (<= (select main_a main_x) 20)), 86383#(or (= main_x main_y) (<= (select main_a main_x) 23)), 86382#(or (= main_x main_y) (<= (select main_a main_x) 22)), 86385#(or (= main_x main_y) (<= (select main_a main_x) 25)), 86384#(or (<= (select main_a main_x) 24) (= main_x main_y)), 86387#(or (<= (select main_a main_x) 27) (= main_x main_y)), 86386#(or (<= (select main_a main_x) 26) (= main_x main_y)), 86389#(or (<= (select main_a main_x) 29) (= main_x main_y)), 86388#(or (<= (select main_a main_x) 28) (= main_x main_y)), 86391#(or (<= (select main_a main_x) 31) (= main_x main_y)), 86390#(or (= main_x main_y) (<= (select main_a main_x) 30)), 86393#(or (<= (select main_a main_x) 33) (= main_x main_y)), 86392#(or (<= (select main_a main_x) 32) (= main_x main_y)), 86395#(or (<= (select main_a main_x) 35) (= main_x main_y)), 86394#(or (<= (select main_a main_x) 34) (= main_x main_y)), 86397#(or (<= (select main_a main_x) 37) (= main_x main_y)), 86396#(or (<= (select main_a main_x) 36) (= main_x main_y)), 86399#(or (<= (select main_a main_x) 39) (= main_x main_y)), 86398#(or (<= (select main_a main_x) 38) (= main_x main_y)), 86401#(or (<= (select main_a main_x) 41) (= main_x main_y)), 86400#(or (<= (select main_a main_x) 40) (= main_x main_y)), 86403#(or (= main_x main_y) (<= (select main_a main_x) 43)), 86402#(or (<= (select main_a main_x) 42) (= main_x main_y)), 86405#(or (= main_x main_y) (<= (select main_a main_x) 45)), 86404#(or (= main_x main_y) (<= (select main_a main_x) 44)), 86407#(or (<= (select main_a main_x) 47) (= main_x main_y)), 86406#(or (<= (select main_a main_x) 46) (= main_x main_y)), 86409#(or (<= (select main_a main_x) 49) (= main_x main_y)), 86408#(or (<= (select main_a main_x) 48) (= main_x main_y)), 86411#(or (<= (select main_a main_x) 51) (= main_x main_y)), 86410#(or (<= (select main_a main_x) 50) (= main_x main_y)), 86413#(or (<= (select main_a main_x) 53) (= main_x main_y)), 86412#(or (= main_x main_y) (<= (select main_a main_x) 52)), 86415#(or (<= (select main_a main_x) 55) (= main_x main_y)), 86414#(or (<= (select main_a main_x) 54) (= main_x main_y)), 86417#(or (<= (select main_a main_x) 57) (= main_x main_y)), 86416#(or (= main_x main_y) (<= (select main_a main_x) 56)), 86419#(or (= main_x main_y) (<= (select main_a main_x) 59)), 86418#(or (<= (select main_a main_x) 58) (= main_x main_y)), 86421#(or (= main_x main_y) (<= (select main_a main_x) 61)), 86420#(or (= main_x main_y) (<= (select main_a main_x) 60)), 86423#(or (<= (select main_a main_x) 63) (= main_x main_y)), 86422#(or (<= (select main_a main_x) 62) (= main_x main_y)), 86425#(or (<= (select main_a main_x) 65) (= main_x main_y)), 86424#(or (= main_x main_y) (<= (select main_a main_x) 64)), 86427#(or (<= (select main_a main_x) 67) (= main_x main_y)), 86426#(or (= main_x main_y) (<= (select main_a main_x) 66)), 86429#(or (= main_x main_y) (<= (select main_a main_x) 69)), 86428#(or (= main_x main_y) (<= (select main_a main_x) 68)), 86431#(or (<= (select main_a main_x) 71) (= main_x main_y)), 86430#(or (<= (select main_a main_x) 70) (= main_x main_y)), 86433#(or (<= (select main_a main_x) 73) (= main_x main_y)), 86432#(or (= main_x main_y) (<= (select main_a main_x) 72)), 86435#(or (= main_x main_y) (<= (select main_a main_x) 75)), 86434#(or (= main_x main_y) (<= (select main_a main_x) 74)), 86437#(or (<= (select main_a main_x) 77) (= main_x main_y)), 86436#(or (<= (select main_a main_x) 76) (= main_x main_y)), 86439#(or (<= (select main_a main_x) 79) (= main_x main_y)), 86438#(or (<= (select main_a main_x) 78) (= main_x main_y)), 86441#(or (<= (select main_a main_x) 81) (= main_x main_y)), 86440#(or (<= (select main_a main_x) 80) (= main_x main_y)), 86443#(or (= main_x main_y) (<= (select main_a main_x) 83)), 86442#(or (<= (select main_a main_x) 82) (= main_x main_y)), 86445#(or (<= (select main_a main_x) 85) (= main_x main_y)), 86444#(or (<= (select main_a main_x) 84) (= main_x main_y)), 86447#(or (<= (select main_a main_x) 87) (= main_x main_y)), 86446#(or (<= (select main_a main_x) 86) (= main_x main_y)), 86449#(or (<= (select main_a main_x) 89) (= main_x main_y)), 86448#(or (<= (select main_a main_x) 88) (= main_x main_y)), 86451#(or (= main_x main_y) (<= (select main_a main_x) 91)), 86450#(or (<= (select main_a main_x) 90) (= main_x main_y)), 86453#(or (<= (select main_a main_x) 93) (= main_x main_y)), 86452#(or (<= (select main_a main_x) 92) (= main_x main_y)), 86455#(or (<= (select main_a main_x) 95) (= main_x main_y)), 86454#(or (= main_x main_y) (<= (select main_a main_x) 94)), 86457#(or (= main_x main_y) (<= (select main_a main_x) 97)), 86456#(or (<= (select main_a main_x) 96) (= main_x main_y)), 86459#(or (<= (select main_a main_x) 99) (= main_x main_y)), 86458#(or (<= (select main_a main_x) 98) (= main_x main_y)), 86461#(or (<= (select main_a main_x) 101) (= main_x main_y)), 86460#(or (<= (select main_a main_x) 100) (= main_x main_y)), 86463#(or (<= (select main_a main_x) 103) (= main_x main_y)), 86462#(or (= main_x main_y) (<= (select main_a main_x) 102)), 86465#(or (= main_x main_y) (<= (select main_a main_x) 105)), 86464#(or (<= (select main_a main_x) 104) (= main_x main_y)), 86467#(or (<= (select main_a main_x) 107) (= main_x main_y)), 86466#(or (= main_x main_y) (<= (select main_a main_x) 106)), 86469#(or (= main_x main_y) (<= (select main_a main_x) 109)), 86468#(or (<= (select main_a main_x) 108) (= main_x main_y)), 86471#(or (<= (select main_a main_x) 111) (= main_x main_y)), 86470#(or (= main_x main_y) (<= (select main_a main_x) 110)), 86473#(or (<= (select main_a main_x) 113) (= main_x main_y)), 86472#(or (<= (select main_a main_x) 112) (= main_x main_y)), 86475#(or (= main_x main_y) (<= (select main_a main_x) 115)), 86474#(or (= main_x main_y) (<= (select main_a main_x) 114)), 86477#(or (<= (select main_a main_x) 117) (= main_x main_y)), 86476#(or (<= (select main_a main_x) 116) (= main_x main_y)), 86479#(or (= main_x main_y) (<= (select main_a main_x) 119)), 86478#(or (= main_x main_y) (<= (select main_a main_x) 118)), 86481#(or (= main_x main_y) (<= (select main_a main_x) 121)), 86480#(or (<= (select main_a main_x) 120) (= main_x main_y)), 86483#(or (= main_x main_y) (<= (select main_a main_x) 123)), 86482#(or (<= (select main_a main_x) 122) (= main_x main_y)), 86485#(or (<= (select main_a main_x) 125) (= main_x main_y)), 86484#(or (= main_x main_y) (<= (select main_a main_x) 124)), 86487#(or (<= (select main_a main_x) 127) (= main_x main_y)), 86486#(or (= main_x main_y) (<= (select main_a main_x) 126)), 86489#(or (= main_x main_y) (<= (select main_a main_x) 129)), 86488#(or (= main_x main_y) (<= (select main_a main_x) 128)), 86491#(or (<= (select main_a main_x) 131) (= main_x main_y)), 86490#(or (= main_x main_y) (<= (select main_a main_x) 130)), 86493#(or (= main_x main_y) (<= (select main_a main_x) 133)), 86492#(or (<= (select main_a main_x) 132) (= main_x main_y)), 86495#(or (= main_x main_y) (<= (select main_a main_x) 135)), 86494#(or (= main_x main_y) (<= (select main_a main_x) 134)), 86497#(or (<= (select main_a main_x) 137) (= main_x main_y)), 86496#(or (<= (select main_a main_x) 136) (= main_x main_y)), 86499#(or (= main_x main_y) (<= (select main_a main_x) 139)), 86498#(or (= main_x main_y) (<= (select main_a main_x) 138)), 86501#(or (<= (select main_a main_x) 141) (= main_x main_y)), 86500#(or (<= (select main_a main_x) 140) (= main_x main_y)), 86503#(or (= main_x main_y) (<= (select main_a main_x) 143)), 86502#(or (= main_x main_y) (<= (select main_a main_x) 142)), 86505#(or (= main_x main_y) (<= (select main_a main_x) 145)), 86504#(or (<= (select main_a main_x) 144) (= main_x main_y)), 86507#(or (= main_x main_y) (<= (select main_a main_x) 147)), 86506#(or (<= (select main_a main_x) 146) (= main_x main_y)), 86509#(or (= main_x main_y) (<= (select main_a main_x) 149)), 86508#(or (<= (select main_a main_x) 148) (= main_x main_y)), 86511#(or (<= (select main_a main_x) 151) (= main_x main_y)), 86510#(or (= main_x main_y) (<= (select main_a main_x) 150)), 86513#(or (<= (select main_a main_x) 153) (= main_x main_y)), 86512#(or (<= (select main_a main_x) 152) (= main_x main_y)), 86515#(or (<= (select main_a main_x) 155) (= main_x main_y)), 86514#(or (<= (select main_a main_x) 154) (= main_x main_y)), 86517#(or (<= (select main_a main_x) 157) (= main_x main_y)), 86516#(or (<= (select main_a main_x) 156) (= main_x main_y)), 86519#(or (<= (select main_a main_x) 159) (= main_x main_y)), 86518#(or (<= (select main_a main_x) 158) (= main_x main_y)), 86521#(or (<= (select main_a main_x) 161) (= main_x main_y)), 86520#(or (= main_x main_y) (<= (select main_a main_x) 160)), 86523#(or (<= (select main_a main_x) 163) (= main_x main_y)), 86522#(or (= main_x main_y) (<= (select main_a main_x) 162)), 86525#(or (<= (select main_a main_x) 165) (= main_x main_y)), 86524#(or (<= (select main_a main_x) 164) (= main_x main_y)), 86527#(or (= main_x main_y) (<= (select main_a main_x) 167)), 86526#(or (= main_x main_y) (<= (select main_a main_x) 166))] [2018-07-23 13:58:57,358 INFO L134 CoverageAnalysis]: Checked inductivity of 16471 backedges. 0 proven. 16471 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-07-23 13:58:57,358 INFO L450 AbstractCegarLoop]: Interpolant automaton has 184 states [2018-07-23 13:58:57,360 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 184 interpolants. [2018-07-23 13:58:57,362 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=16836, Invalid=16836, Unknown=0, NotChecked=0, Total=33672 [2018-07-23 13:58:57,362 INFO L87 Difference]: Start difference. First operand 185 states and 185 transitions. Second operand 184 states. [2018-07-23 13:58:58,089 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-07-23 13:58:58,089 INFO L93 Difference]: Finished difference Result 188 states and 188 transitions. [2018-07-23 13:58:58,089 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 184 states. [2018-07-23 13:58:58,089 INFO L78 Accepts]: Start accepts. Automaton has 184 states. Word has length 184 [2018-07-23 13:58:58,089 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-07-23 13:58:58,090 INFO L225 Difference]: With dead ends: 188 [2018-07-23 13:58:58,090 INFO L226 Difference]: Without dead ends: 186 [2018-07-23 13:58:58,092 INFO L575 BasicCegarLoop]: 0 DeclaredPredicates, 183 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 182 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 1.5s TimeCoverageRelationStatistics Valid=16836, Invalid=16836, Unknown=0, NotChecked=0, Total=33672 [2018-07-23 13:58:58,093 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 186 states. [2018-07-23 13:58:58,102 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 186 to 186. [2018-07-23 13:58:58,102 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 186 states. [2018-07-23 13:58:58,102 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 186 states to 186 states and 186 transitions. [2018-07-23 13:58:58,102 INFO L78 Accepts]: Start accepts. Automaton has 186 states and 186 transitions. Word has length 184 [2018-07-23 13:58:58,102 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-07-23 13:58:58,102 INFO L471 AbstractCegarLoop]: Abstraction has 186 states and 186 transitions. [2018-07-23 13:58:58,102 INFO L472 AbstractCegarLoop]: Interpolant automaton has 184 states. [2018-07-23 13:58:58,102 INFO L276 IsEmpty]: Start isEmpty. Operand 186 states and 186 transitions. [2018-07-23 13:58:58,103 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 186 [2018-07-23 13:58:58,103 INFO L349 BasicCegarLoop]: Found error trace [2018-07-23 13:58:58,103 INFO L357 BasicCegarLoop]: trace histogram [182, 1, 1, 1] [2018-07-23 13:58:58,103 INFO L414 AbstractCegarLoop]: === Iteration 183 === [mainErr0AssertViolationASSERT]=== [2018-07-23 13:58:58,103 INFO L82 PathProgramCache]: Analyzing trace with hash -1985669728, now seen corresponding path program 182 times [2018-07-23 13:58:58,103 INFO L69 tionRefinementEngine]: Using refinement strategy FixedRefinementStrategy [2018-07-23 13:58:58,376 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-07-23 13:59:00,272 INFO L134 CoverageAnalysis]: Checked inductivity of 16653 backedges. 0 proven. 16653 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-07-23 13:59:00,272 INFO L309 seRefinementStrategy]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2018-07-23 13:59:00,272 INFO L324 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [184] total 184 [2018-07-23 13:59:00,272 INFO L142 lantAutomatonBuilder]: Constructing canonical interpolant automaton, with selfloop in false state [2018-07-23 13:59:00,273 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 13:59:00,273 INFO L185 omatonBuilderFactory]: Interpolants [87297#(or (<= (select main_a main_x) 5) (= main_x main_y)), 87296#(or (<= (select main_a main_x) 4) (= main_x main_y)), 87299#(or (<= (select main_a main_x) 7) (= main_x main_y)), 87298#(or (<= (select main_a main_x) 6) (= main_x main_y)), 87301#(or (= main_x main_y) (<= (select main_a main_x) 9)), 87300#(or (<= (select main_a main_x) 8) (= main_x main_y)), 87303#(or (= main_x main_y) (<= (select main_a main_x) 11)), 87302#(or (= main_x main_y) (<= (select main_a main_x) 10)), 87305#(or (= main_x main_y) (<= (select main_a main_x) 13)), 87304#(or (<= (select main_a main_x) 12) (= main_x main_y)), 87307#(or (<= (select main_a main_x) 15) (= main_x main_y)), 87306#(or (<= (select main_a main_x) 14) (= main_x main_y)), 87309#(or (= main_x main_y) (<= (select main_a main_x) 17)), 87308#(or (<= (select main_a main_x) 16) (= main_x main_y)), 87311#(or (<= (select main_a main_x) 19) (= main_x main_y)), 87310#(or (<= (select main_a main_x) 18) (= main_x main_y)), 87313#(or (<= (select main_a main_x) 21) (= main_x main_y)), 87312#(or (= main_x main_y) (<= (select main_a main_x) 20)), 87315#(or (= main_x main_y) (<= (select main_a main_x) 23)), 87314#(or (= main_x main_y) (<= (select main_a main_x) 22)), 87317#(or (= main_x main_y) (<= (select main_a main_x) 25)), 87316#(or (<= (select main_a main_x) 24) (= main_x main_y)), 87319#(or (<= (select main_a main_x) 27) (= main_x main_y)), 87318#(or (<= (select main_a main_x) 26) (= main_x main_y)), 87321#(or (<= (select main_a main_x) 29) (= main_x main_y)), 87320#(or (<= (select main_a main_x) 28) (= main_x main_y)), 87323#(or (<= (select main_a main_x) 31) (= main_x main_y)), 87322#(or (= main_x main_y) (<= (select main_a main_x) 30)), 87325#(or (<= (select main_a main_x) 33) (= main_x main_y)), 87324#(or (<= (select main_a main_x) 32) (= main_x main_y)), 87327#(or (<= (select main_a main_x) 35) (= main_x main_y)), 87326#(or (<= (select main_a main_x) 34) (= main_x main_y)), 87329#(or (<= (select main_a main_x) 37) (= main_x main_y)), 87328#(or (<= (select main_a main_x) 36) (= main_x main_y)), 87331#(or (<= (select main_a main_x) 39) (= main_x main_y)), 87330#(or (<= (select main_a main_x) 38) (= main_x main_y)), 87333#(or (<= (select main_a main_x) 41) (= main_x main_y)), 87332#(or (<= (select main_a main_x) 40) (= main_x main_y)), 87335#(or (= main_x main_y) (<= (select main_a main_x) 43)), 87334#(or (<= (select main_a main_x) 42) (= main_x main_y)), 87337#(or (= main_x main_y) (<= (select main_a main_x) 45)), 87336#(or (= main_x main_y) (<= (select main_a main_x) 44)), 87339#(or (<= (select main_a main_x) 47) (= main_x main_y)), 87338#(or (<= (select main_a main_x) 46) (= main_x main_y)), 87341#(or (<= (select main_a main_x) 49) (= main_x main_y)), 87340#(or (<= (select main_a main_x) 48) (= main_x main_y)), 87343#(or (<= (select main_a main_x) 51) (= main_x main_y)), 87342#(or (<= (select main_a main_x) 50) (= main_x main_y)), 87345#(or (<= (select main_a main_x) 53) (= main_x main_y)), 87344#(or (= main_x main_y) (<= (select main_a main_x) 52)), 87347#(or (<= (select main_a main_x) 55) (= main_x main_y)), 87346#(or (<= (select main_a main_x) 54) (= main_x main_y)), 87349#(or (<= (select main_a main_x) 57) (= main_x main_y)), 87348#(or (= main_x main_y) (<= (select main_a main_x) 56)), 87351#(or (= main_x main_y) (<= (select main_a main_x) 59)), 87350#(or (<= (select main_a main_x) 58) (= main_x main_y)), 87353#(or (= main_x main_y) (<= (select main_a main_x) 61)), 87352#(or (= main_x main_y) (<= (select main_a main_x) 60)), 87355#(or (<= (select main_a main_x) 63) (= main_x main_y)), 87354#(or (<= (select main_a main_x) 62) (= main_x main_y)), 87357#(or (<= (select main_a main_x) 65) (= main_x main_y)), 87356#(or (= main_x main_y) (<= (select main_a main_x) 64)), 87359#(or (<= (select main_a main_x) 67) (= main_x main_y)), 87358#(or (= main_x main_y) (<= (select main_a main_x) 66)), 87361#(or (= main_x main_y) (<= (select main_a main_x) 69)), 87360#(or (= main_x main_y) (<= (select main_a main_x) 68)), 87363#(or (<= (select main_a main_x) 71) (= main_x main_y)), 87362#(or (<= (select main_a main_x) 70) (= main_x main_y)), 87365#(or (<= (select main_a main_x) 73) (= main_x main_y)), 87364#(or (= main_x main_y) (<= (select main_a main_x) 72)), 87367#(or (= main_x main_y) (<= (select main_a main_x) 75)), 87366#(or (= main_x main_y) (<= (select main_a main_x) 74)), 87369#(or (<= (select main_a main_x) 77) (= main_x main_y)), 87368#(or (<= (select main_a main_x) 76) (= main_x main_y)), 87371#(or (<= (select main_a main_x) 79) (= main_x main_y)), 87370#(or (<= (select main_a main_x) 78) (= main_x main_y)), 87373#(or (<= (select main_a main_x) 81) (= main_x main_y)), 87372#(or (<= (select main_a main_x) 80) (= main_x main_y)), 87375#(or (= main_x main_y) (<= (select main_a main_x) 83)), 87374#(or (<= (select main_a main_x) 82) (= main_x main_y)), 87377#(or (<= (select main_a main_x) 85) (= main_x main_y)), 87376#(or (<= (select main_a main_x) 84) (= main_x main_y)), 87379#(or (<= (select main_a main_x) 87) (= main_x main_y)), 87378#(or (<= (select main_a main_x) 86) (= main_x main_y)), 87381#(or (<= (select main_a main_x) 89) (= main_x main_y)), 87380#(or (<= (select main_a main_x) 88) (= main_x main_y)), 87383#(or (= main_x main_y) (<= (select main_a main_x) 91)), 87382#(or (<= (select main_a main_x) 90) (= main_x main_y)), 87385#(or (<= (select main_a main_x) 93) (= main_x main_y)), 87384#(or (<= (select main_a main_x) 92) (= main_x main_y)), 87387#(or (<= (select main_a main_x) 95) (= main_x main_y)), 87386#(or (= main_x main_y) (<= (select main_a main_x) 94)), 87389#(or (= main_x main_y) (<= (select main_a main_x) 97)), 87388#(or (<= (select main_a main_x) 96) (= main_x main_y)), 87391#(or (<= (select main_a main_x) 99) (= main_x main_y)), 87390#(or (<= (select main_a main_x) 98) (= main_x main_y)), 87393#(or (<= (select main_a main_x) 101) (= main_x main_y)), 87392#(or (<= (select main_a main_x) 100) (= main_x main_y)), 87395#(or (<= (select main_a main_x) 103) (= main_x main_y)), 87394#(or (= main_x main_y) (<= (select main_a main_x) 102)), 87397#(or (= main_x main_y) (<= (select main_a main_x) 105)), 87396#(or (<= (select main_a main_x) 104) (= main_x main_y)), 87399#(or (<= (select main_a main_x) 107) (= main_x main_y)), 87398#(or (= main_x main_y) (<= (select main_a main_x) 106)), 87401#(or (= main_x main_y) (<= (select main_a main_x) 109)), 87400#(or (<= (select main_a main_x) 108) (= main_x main_y)), 87403#(or (<= (select main_a main_x) 111) (= main_x main_y)), 87402#(or (= main_x main_y) (<= (select main_a main_x) 110)), 87405#(or (<= (select main_a main_x) 113) (= main_x main_y)), 87404#(or (<= (select main_a main_x) 112) (= main_x main_y)), 87407#(or (= main_x main_y) (<= (select main_a main_x) 115)), 87406#(or (= main_x main_y) (<= (select main_a main_x) 114)), 87409#(or (<= (select main_a main_x) 117) (= main_x main_y)), 87408#(or (<= (select main_a main_x) 116) (= main_x main_y)), 87411#(or (= main_x main_y) (<= (select main_a main_x) 119)), 87410#(or (= main_x main_y) (<= (select main_a main_x) 118)), 87413#(or (= main_x main_y) (<= (select main_a main_x) 121)), 87412#(or (<= (select main_a main_x) 120) (= main_x main_y)), 87415#(or (= main_x main_y) (<= (select main_a main_x) 123)), 87414#(or (<= (select main_a main_x) 122) (= main_x main_y)), 87417#(or (<= (select main_a main_x) 125) (= main_x main_y)), 87416#(or (= main_x main_y) (<= (select main_a main_x) 124)), 87419#(or (<= (select main_a main_x) 127) (= main_x main_y)), 87418#(or (= main_x main_y) (<= (select main_a main_x) 126)), 87421#(or (= main_x main_y) (<= (select main_a main_x) 129)), 87420#(or (= main_x main_y) (<= (select main_a main_x) 128)), 87423#(or (<= (select main_a main_x) 131) (= main_x main_y)), 87422#(or (= main_x main_y) (<= (select main_a main_x) 130)), 87425#(or (= main_x main_y) (<= (select main_a main_x) 133)), 87424#(or (<= (select main_a main_x) 132) (= main_x main_y)), 87427#(or (= main_x main_y) (<= (select main_a main_x) 135)), 87426#(or (= main_x main_y) (<= (select main_a main_x) 134)), 87429#(or (<= (select main_a main_x) 137) (= main_x main_y)), 87428#(or (<= (select main_a main_x) 136) (= main_x main_y)), 87431#(or (= main_x main_y) (<= (select main_a main_x) 139)), 87430#(or (= main_x main_y) (<= (select main_a main_x) 138)), 87433#(or (<= (select main_a main_x) 141) (= main_x main_y)), 87432#(or (<= (select main_a main_x) 140) (= main_x main_y)), 87435#(or (= main_x main_y) (<= (select main_a main_x) 143)), 87434#(or (= main_x main_y) (<= (select main_a main_x) 142)), 87437#(or (= main_x main_y) (<= (select main_a main_x) 145)), 87436#(or (<= (select main_a main_x) 144) (= main_x main_y)), 87439#(or (= main_x main_y) (<= (select main_a main_x) 147)), 87438#(or (<= (select main_a main_x) 146) (= main_x main_y)), 87441#(or (= main_x main_y) (<= (select main_a main_x) 149)), 87440#(or (<= (select main_a main_x) 148) (= main_x main_y)), 87443#(or (<= (select main_a main_x) 151) (= main_x main_y)), 87442#(or (= main_x main_y) (<= (select main_a main_x) 150)), 87445#(or (<= (select main_a main_x) 153) (= main_x main_y)), 87444#(or (<= (select main_a main_x) 152) (= main_x main_y)), 87447#(or (<= (select main_a main_x) 155) (= main_x main_y)), 87446#(or (<= (select main_a main_x) 154) (= main_x main_y)), 87449#(or (<= (select main_a main_x) 157) (= main_x main_y)), 87448#(or (<= (select main_a main_x) 156) (= main_x main_y)), 87451#(or (<= (select main_a main_x) 159) (= main_x main_y)), 87450#(or (<= (select main_a main_x) 158) (= main_x main_y)), 87453#(or (<= (select main_a main_x) 161) (= main_x main_y)), 87452#(or (= main_x main_y) (<= (select main_a main_x) 160)), 87455#(or (<= (select main_a main_x) 163) (= main_x main_y)), 87454#(or (= main_x main_y) (<= (select main_a main_x) 162)), 87457#(or (<= (select main_a main_x) 165) (= main_x main_y)), 87456#(or (<= (select main_a main_x) 164) (= main_x main_y)), 87459#(or (= main_x main_y) (<= (select main_a main_x) 167)), 87458#(or (= main_x main_y) (<= (select main_a main_x) 166)), 87461#(or (= main_x main_y) (<= (select main_a main_x) 169)), 87460#(or (<= (select main_a main_x) 168) (= main_x main_y)), 87463#(or (= main_x main_y) (<= (select main_a main_x) 171)), 87462#(or (= main_x main_y) (<= (select main_a main_x) 170)), 87465#(or (= main_x main_y) (<= (select main_a main_x) 173)), 87464#(or (= main_x main_y) (<= (select main_a main_x) 172)), 87467#(or (<= (select main_a main_x) 175) (= main_x main_y)), 87466#(or (= main_x main_y) (<= (select main_a main_x) 174)), 87469#(or (= main_x main_y) (<= (select main_a main_x) 177)), 87468#(or (= main_x main_y) (<= (select main_a main_x) 176)), 87471#(or (<= (select main_a main_x) 179) (= main_x main_y)), 87470#(or (= main_x main_y) (<= (select main_a main_x) 178)), 87473#(or (<= (select main_a main_x) 181) (= main_x main_y)), 87472#(or (<= (select main_a main_x) 180) (= main_x main_y)), 87474#(or (not (= (select main_a main_x) 1000)) (= main_x main_y)), 87291#false, 87290#true, 87293#(or (<= (select main_a main_x) 1) (= main_x main_y)), 87292#(or (= 0 (select main_a main_x)) (= main_x main_y)), 87295#(or (= main_x main_y) (<= (select main_a main_x) 3)), 87294#(or (= main_x main_y) (<= (select main_a main_x) 2))] [2018-07-23 13:59:00,274 INFO L134 CoverageAnalysis]: Checked inductivity of 16653 backedges. 0 proven. 16653 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-07-23 13:59:00,274 INFO L450 AbstractCegarLoop]: Interpolant automaton has 185 states [2018-07-23 13:59:00,277 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 185 interpolants. [2018-07-23 13:59:00,278 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=17020, Invalid=17020, Unknown=0, NotChecked=0, Total=34040 [2018-07-23 13:59:00,278 INFO L87 Difference]: Start difference. First operand 186 states and 186 transitions. Second operand 185 states. [2018-07-23 13:59:01,299 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-07-23 13:59:01,299 INFO L93 Difference]: Finished difference Result 189 states and 189 transitions. [2018-07-23 13:59:01,299 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 185 states. [2018-07-23 13:59:01,299 INFO L78 Accepts]: Start accepts. Automaton has 185 states. Word has length 185 [2018-07-23 13:59:01,300 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-07-23 13:59:01,300 INFO L225 Difference]: With dead ends: 189 [2018-07-23 13:59:01,300 INFO L226 Difference]: Without dead ends: 187 [2018-07-23 13:59:01,302 INFO L575 BasicCegarLoop]: 0 DeclaredPredicates, 184 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 183 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 1.7s TimeCoverageRelationStatistics Valid=17020, Invalid=17020, Unknown=0, NotChecked=0, Total=34040 [2018-07-23 13:59:01,302 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 187 states. [2018-07-23 13:59:01,311 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 187 to 187. [2018-07-23 13:59:01,311 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 187 states. [2018-07-23 13:59:01,312 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 187 states to 187 states and 187 transitions. [2018-07-23 13:59:01,312 INFO L78 Accepts]: Start accepts. Automaton has 187 states and 187 transitions. Word has length 185 [2018-07-23 13:59:01,312 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-07-23 13:59:01,312 INFO L471 AbstractCegarLoop]: Abstraction has 187 states and 187 transitions. [2018-07-23 13:59:01,312 INFO L472 AbstractCegarLoop]: Interpolant automaton has 185 states. [2018-07-23 13:59:01,312 INFO L276 IsEmpty]: Start isEmpty. Operand 187 states and 187 transitions. [2018-07-23 13:59:01,312 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 187 [2018-07-23 13:59:01,312 INFO L349 BasicCegarLoop]: Found error trace [2018-07-23 13:59:01,313 INFO L357 BasicCegarLoop]: trace histogram [183, 1, 1, 1] [2018-07-23 13:59:01,313 INFO L414 AbstractCegarLoop]: === Iteration 184 === [mainErr0AssertViolationASSERT]=== [2018-07-23 13:59:01,313 INFO L82 PathProgramCache]: Analyzing trace with hash -1426223290, now seen corresponding path program 183 times [2018-07-23 13:59:01,313 INFO L69 tionRefinementEngine]: Using refinement strategy FixedRefinementStrategy [2018-07-23 13:59:01,589 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-07-23 13:59:03,529 INFO L134 CoverageAnalysis]: Checked inductivity of 16836 backedges. 0 proven. 16836 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-07-23 13:59:03,530 INFO L309 seRefinementStrategy]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2018-07-23 13:59:03,530 INFO L324 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [185] total 185 [2018-07-23 13:59:03,530 INFO L142 lantAutomatonBuilder]: Constructing canonical interpolant automaton, with selfloop in false state [2018-07-23 13:59:03,530 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-07-23 13:59:03,530 INFO L185 omatonBuilderFactory]: Interpolants [88321#(or (<= (select main_a main_x) 92) (= main_x main_y)), 88320#(or (= main_x main_y) (<= (select main_a main_x) 91)), 88323#(or (= main_x main_y) (<= (select main_a main_x) 94)), 88322#(or (<= (select main_a main_x) 93) (= main_x main_y)), 88325#(or (<= (select main_a main_x) 96) (= main_x main_y)), 88324#(or (<= (select main_a main_x) 95) (= main_x main_y)), 88327#(or (<= (select main_a main_x) 98) (= main_x main_y)), 88326#(or (= main_x main_y) (<= (select main_a main_x) 97)), 88329#(or (<= (select main_a main_x) 100) (= main_x main_y)), 88328#(or (<= (select main_a main_x) 99) (= main_x main_y)), 88331#(or (= main_x main_y) (<= (select main_a main_x) 102)), 88330#(or (<= (select main_a main_x) 101) (= main_x main_y)), 88333#(or (<= (select main_a main_x) 104) (= main_x main_y)), 88332#(or (<= (select main_a main_x) 103) (= main_x main_y)), 88335#(or (= main_x main_y) (<= (select main_a main_x) 106)), 88334#(or (= main_x main_y) (<= (select main_a main_x) 105)), 88337#(or (<= (select main_a main_x) 108) (= main_x main_y)), 88336#(or (<= (select main_a main_x) 107) (= main_x main_y)), 88339#(or (= main_x main_y) (<= (select main_a main_x) 110)), 88338#(or (= main_x main_y) (<= (select main_a main_x) 109)), 88341#(or (<= (select main_a main_x) 112) (= main_x main_y)), 88340#(or (<= (select main_a main_x) 111) (= main_x main_y)), 88343#(or (= main_x main_y) (<= (select main_a main_x) 114)), 88342#(or (<= (select main_a main_x) 113) (= main_x main_y)), 88345#(or (<= (select main_a main_x) 116) (= main_x main_y)), 88344#(or (= main_x main_y) (<= (select main_a main_x) 115)), 88347#(or (= main_x main_y) (<= (select main_a main_x) 118)), 88346#(or (<= (select main_a main_x) 117) (= main_x main_y)), 88349#(or (<= (select main_a main_x) 120) (= main_x main_y)), 88348#(or (= main_x main_y) (<= (select main_a main_x) 119)), 88351#(or (<= (select main_a main_x) 122) (= main_x main_y)), 88350#(or (= main_x main_y) (<= (select main_a main_x) 121)), 88353#(or (= main_x main_y) (<= (select main_a main_x) 124)), 88352#(or (= main_x main_y) (<= (select main_a main_x) 123)), 88355#(or (= main_x main_y) (<= (select main_a main_x) 126)), 88354#(or (<= (select main_a main_x) 125) (= main_x main_y)), 88357#(or (= main_x main_y) (<= (select main_a main_x) 128)), 88356#(or (<= (select main_a main_x) 127) (= main_x main_y)), 88359#(or (= main_x main_y) (<= (select main_a main_x) 130)), 88358#(or (= main_x main_y) (<= (select main_a main_x) 129)), 88361#(or (<= (select main_a main_x) 132) (= main_x main_y)), 88360#(or (<= (select main_a main_x) 131) (= main_x main_y)), 88363#(or (= main_x main_y) (<= (select main_a main_x) 134)), 88362#(or (= main_x main_y) (<= (select main_a main_x) 133)), 88365#(or (<= (select main_a main_x) 136) (= main_x main_y)), 88364#(or (= main_x main_y) (<= (select main_a main_x) 135)), 88367#(or (= main_x main_y) (<= (select main_a main_x) 138)), 88366#(or (<= (select main_a main_x) 137) (= main_x main_y)), 88369#(or (<= (select main_a main_x) 140) (= main_x main_y)), 88368#(or (= main_x main_y) (<= (select main_a main_x) 139)), 88371#(or (= main_x main_y) (<= (select main_a main_x) 142)), 88370#(or (<= (select main_a main_x) 141) (= main_x main_y)), 88373#(or (<= (select main_a main_x) 144) (= main_x main_y)), 88372#(or (= main_x main_y) (<= (select main_a main_x) 143)), 88375#(or (<= (select main_a main_x) 146) (= main_x main_y)), 88374#(or (= main_x main_y) (<= (select main_a main_x) 145)), 88377#(or (<= (select main_a main_x) 148) (= main_x main_y)), 88376#(or (= main_x main_y) (<= (select main_a main_x) 147)), 88379#(or (= main_x main_y) (<= (select main_a main_x) 150)), 88378#(or (= main_x main_y) (<= (select main_a main_x) 149)), 88381#(or (<= (select main_a main_x) 152) (= main_x main_y)), 88380#(or (<= (select main_a main_x) 151) (= main_x main_y)), 88383#(or (<= (select main_a main_x) 154) (= main_x main_y)), 88382#(or (<= (select main_a main_x) 153) (= main_x main_y)), 88385#(or (<= (select main_a main_x) 156) (= main_x main_y)), 88384#(or (<= (select main_a main_x) 155) (= main_x main_y)), 88387#(or (<= (select main_a main_x) 158) (= main_x main_y)), 88386#(or (<= (select main_a main_x) 157) (= main_x main_y)), 88389#(or (= main_x main_y) (<= (select main_a main_x) 160)), 88388#(or (<= (select main_a main_x) 159) (= main_x main_y)), 88391#(or (= main_x main_y) (<= (select main_a main_x) 162)), 88390#(or (<= (select main_a main_x) 161) (= main_x main_y)), 88393#(or (<= (select main_a main_x) 164) (= main_x main_y)), 88392#(or (<= (select main_a main_x) 163) (= main_x main_y)), 88395#(or (= main_x main_y) (<= (select main_a main_x) 166)), 88394#(or (<= (select main_a main_x) 165) (= main_x main_y)), 88397#(or (<= (select main_a main_x) 168) (= main_x main_y)), 88396#(or (= main_x main_y) (<= (select main_a main_x) 167)), 88399#(or (= main_x main_y) (<= (select main_a main_x) 170)), 88398#(or (= main_x main_y) (<= (select main_a main_x) 169)), 88401#(or (= main_x main_y) (<= (select main_a main_x) 172)), 88400#(or (= main_x main_y) (<= (select main_a main_x) 171)), 88403#(or (= main_x main_y) (<= (select main_a main_x) 174)), 88402#(or (= main_x main_y) (<= (select main_a main_x) 173)), 88405#(or (= main_x main_y) (<= (select main_a main_x) 176)), 88404#(or (<= (select main_a main_x) 175) (= main_x main_y)), 88407#(or (= main_x main_y) (<= (select main_a main_x) 178)), 88406#(or (= main_x main_y) (<= (select main_a main_x) 177)), 88409#(or (<= (select main_a main_x) 180) (= main_x main_y)), 88408#(or (<= (select main_a main_x) 179) (= main_x main_y)), 88411#(or (<= (select main_a main_x) 182) (= main_x main_y)), 88410#(or (<= (select main_a main_x) 181) (= main_x main_y)), 88412#(or (not (= (select main_a main_x) 1000)) (= main_x main_y)), 88227#true, 88229#(or (= 0 (select main_a main_x)) (= main_x main_y)), 88228#false, 88231#(or (= main_x main_y) (<= (select main_a main_x) 2)), 88230#(or (<= (select main_a main_x) 1) (= main_x main_y)), 88233#(or (<= (select main_a main_x) 4) (= main_x main_y)), 88232#(or (= main_x main_y) (<= (select main_a main_x) 3)), 88235#(or (<= (select main_a main_x) 6) (= main_x main_y)), 88234#(or (<= (select main_a main_x) 5) (= main_x main_y)), 88237#(or (<= (select main_a main_x) 8) (= main_x main_y)), 88236#(or (<= (select main_a main_x) 7) (= main_x main_y)), 88239#(or (= main_x main_y) (<= (select main_a main_x) 10)), 88238#(or (= main_x main_y) (<= (select main_a main_x) 9)), 88241#(or (<= (select main_a main_x) 12) (= main_x main_y)), 88240#(or (= main_x main_y) (<= (select main_a main_x) 11)), 88243#(or (<= (select main_a main_x) 14) (= main_x main_y)), 88242#(or (= main_x main_y) (<= (select main_a main_x) 13)), 88245#(or (<= (select main_a main_x) 16) (= main_x main_y)), 88244#(or (<= (select main_a main_x) 15) (= main_x main_y)), 88247#(or (<= (select main_a main_x) 18) (= main_x main_y)), 88246#(or (= main_x main_y) (<= (select main_a main_x) 17)), 88249#(or (= main_x main_y) (<= (select main_a main_x) 20)), 88248#(or (<= (select main_a main_x) 19) (= main_x main_y)), 88251#(or (= main_x main_y) (<= (select main_a main_x) 22)), 88250#(or (<= (select main_a main_x) 21) (= main_x main_y)), 88253#(or (<= (select main_a main_x) 24) (= main_x main_y)), 88252#(or (= main_x main_y) (<= (select main_a main_x) 23)), 88255#(or (<= (select main_a main_x) 26) (= main_x main_y)), 88254#(or (= main_x main_y) (<= (select main_a main_x) 25)), 88257#(or (<= (select main_a main_x) 28) (= main_x main_y)), 88256#(or (<= (select main_a main_x) 27) (= main_x main_y)), 88259#(or (= main_x main_y) (<= (select main_a main_x) 30)), 88258#(or (<= (select main_a main_x) 29) (= main_x main_y)), 88261#(or (<= (select main_a main_x) 32) (= main_x main_y)), 88260#(or (<= (select main_a main_x) 31) (= main_x main_y)), 88263#(or (<= (select main_a main_x) 34) (= main_x main_y)), 88262#(or (<= (select main_a main_x) 33) (= main_x main_y)), 88265#(or (<= (select main_a main_x) 36) (= main_x main_y)), 88264#(or (<= (select main_a main_x) 35) (= main_x main_y)), 88267#(or (<= (select main_a main_x) 38) (= main_x main_y)), 88266#(or (<= (select main_a main_x) 37) (= main_x main_y)), 88269#(or (<= (select main_a main_x) 40) (= main_x main_y)), 88268#(or (<= (select main_a main_x) 39) (= main_x main_y)), 88271#(or (<= (select main_a main_x) 42) (= main_x main_y)), 88270#(or (<= (select main_a main_x) 41) (= main_x main_y)), 88273#(or (= main_x main_y) (<= (select main_a main_x) 44)), 88272#(or (= main_x main_y) (<= (select main_a main_x) 43)), 88275#(or (<= (select main_a main_x) 46) (= main_x main_y)), 88274#(or (= main_x main_y) (<= (select main_a main_x) 45)), 88277#(or (<= (select main_a main_x) 48) (= main_x main_y)), 88276#(or (<= (select main_a main_x) 47) (= main_x main_y)), 88279#(or (<= (select main_a main_x) 50) (= main_x main_y)), 88278#(or (<= (select main_a main_x) 49) (= main_x main_y)), 88281#(or (= main_x main_y) (<= (select main_a main_x) 52)), 88280#(or (<= (select main_a main_x) 51) (= main_x main_y)), 88283#(or (<= (select main_a main_x) 54) (= main_x main_y)), 88282#(or (<= (select main_a main_x) 53) (= main_x main_y)), 88285#(or (= main_x main_y) (<= (select main_a main_x) 56)), 88284#(or (<= (select main_a main_x) 55) (= main_x main_y)), 88287#(or (<= (select main_a main_x) 58) (= main_x main_y)), 88286#(or (<= (select main_a main_x) 57) (= main_x main_y)), 88289#(or (= main_x main_y) (<= (select main_a main_x) 60)), 88288#(or (= main_x main_y) (<= (select main_a main_x) 59)), 88291#(or (<= (select main_a main_x) 62) (= main_x main_y)), 88290#(or (= main_x main_y) (<= (select main_a main_x) 61)), 88293#(or (= main_x main_y) (<= (select main_a main_x) 64)), 88292#(or (<= (select main_a main_x) 63) (= main_x main_y)), 88295#(or (= main_x main_y) (<= (select main_a main_x) 66)), 88294#(or (<= (select main_a main_x) 65) (= main_x main_y)), 88297#(or (= main_x main_y) (<= (select main_a main_x) 68)), 88296#(or (<= (select main_a main_x) 67) (= main_x main_y)), 88299#(or (<= (select main_a main_x) 70) (= main_x main_y)), 88298#(or (= main_x main_y) (<= (select main_a main_x) 69)), 88301#(or (= main_x main_y) (<= (select main_a main_x) 72)), 88300#(or (<= (select main_a main_x) 71) (= main_x main_y)), 88303#(or (= main_x main_y) (<= (select main_a main_x) 74)), 88302#(or (<= (select main_a main_x) 73) (= main_x main_y)), 88305#(or (<= (select main_a main_x) 76) (= main_x main_y)), 88304#(or (= main_x main_y) (<= (select main_a main_x) 75)), 88307#(or (<= (select main_a main_x) 78) (= main_x main_y)), 88306#(or (<= (select main_a main_x) 77) (= main_x main_y)), 88309#(or (<= (select main_a main_x) 80) (= main_x main_y)), 88308#(or (<= (select main_a main_x) 79) (= main_x main_y)), 88311#(or (<= (select main_a main_x) 82) (= main_x main_y)), 88310#(or (<= (select main_a main_x) 81) (= main_x main_y)), 88313#(or (<= (select main_a main_x) 84) (= main_x main_y)), 88312#(or (= main_x main_y) (<= (select main_a main_x) 83)), 88315#(or (<= (select main_a main_x) 86) (= main_x main_y)), 88314#(or (<= (select main_a main_x) 85) (= main_x main_y)), 88317#(or (<= (select main_a main_x) 88) (= main_x main_y)), 88316#(or (<= (select main_a main_x) 87) (= main_x main_y)), 88319#(or (<= (select main_a main_x) 90) (= main_x main_y)), 88318#(or (<= (select main_a main_x) 89) (= main_x main_y))] [2018-07-23 13:59:03,531 INFO L134 CoverageAnalysis]: Checked inductivity of 16836 backedges. 0 proven. 16836 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-07-23 13:59:03,531 INFO L450 AbstractCegarLoop]: Interpolant automaton has 186 states [2018-07-23 13:59:03,533 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 186 interpolants. [2018-07-23 13:59:03,534 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=17205, Invalid=17205, Unknown=0, NotChecked=0, Total=34410 [2018-07-23 13:59:03,534 INFO L87 Difference]: Start difference. First operand 187 states and 187 transitions. Second operand 186 states. [2018-07-23 13:59:03,843 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-07-23 13:59:03,843 INFO L93 Difference]: Finished difference Result 190 states and 190 transitions. [2018-07-23 13:59:03,844 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 186 states. [2018-07-23 13:59:03,844 INFO L78 Accepts]: Start accepts. Automaton has 186 states. Word has length 186 [2018-07-23 13:59:03,844 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-07-23 13:59:03,844 INFO L225 Difference]: With dead ends: 190 [2018-07-23 13:59:03,844 INFO L226 Difference]: Without dead ends: 188 [2018-07-23 13:59:03,845 INFO L575 BasicCegarLoop]: 0 DeclaredPredicates, 185 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 184 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 1.7s TimeCoverageRelationStatistics Valid=17205, Invalid=17205, Unknown=0, NotChecked=0, Total=34410 [2018-07-23 13:59:03,845 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 188 states. [2018-07-23 13:59:03,853 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 188 to 188. [2018-07-23 13:59:03,853 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 188 states. [2018-07-23 13:59:03,853 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 188 states to 188 states and 188 transitions. [2018-07-23 13:59:03,854 INFO L78 Accepts]: Start accepts. Automaton has 188 states and 188 transitions. Word has length 186 [2018-07-23 13:59:03,854 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-07-23 13:59:03,854 INFO L471 AbstractCegarLoop]: Abstraction has 188 states and 188 transitions. [2018-07-23 13:59:03,854 INFO L472 AbstractCegarLoop]: Interpolant automaton has 186 states. [2018-07-23 13:59:03,854 INFO L276 IsEmpty]: Start isEmpty. Operand 188 states and 188 transitions. [2018-07-23 13:59:03,854 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 188 [2018-07-23 13:59:03,854 INFO L349 BasicCegarLoop]: Found error trace [2018-07-23 13:59:03,854 INFO L357 BasicCegarLoop]: trace histogram [184, 1, 1, 1] [2018-07-23 13:59:03,854 INFO L414 AbstractCegarLoop]: === Iteration 185 === [mainErr0AssertViolationASSERT]=== [2018-07-23 13:59:03,855 INFO L82 PathProgramCache]: Analyzing trace with hash -1263252896, now seen corresponding path program 184 times [2018-07-23 13:59:03,855 INFO L69 tionRefinementEngine]: Using refinement strategy FixedRefinementStrategy [2018-07-23 13:59:04,087 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-07-23 13:59:05,988 INFO L134 CoverageAnalysis]: Checked inductivity of 17020 backedges. 0 proven. 17020 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-07-23 13:59:05,989 INFO L309 seRefinementStrategy]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2018-07-23 13:59:05,989 INFO L324 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [186] total 186 [2018-07-23 13:59:05,989 INFO L142 lantAutomatonBuilder]: Constructing canonical interpolant automaton, with selfloop in false state [2018-07-23 13:59:05,989 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-07-23 13:59:05,990 INFO L185 omatonBuilderFactory]: Interpolants [89345#(or (= main_x main_y) (<= (select main_a main_x) 174)), 89344#(or (= main_x main_y) (<= (select main_a main_x) 173)), 89347#(or (= main_x main_y) (<= (select main_a main_x) 176)), 89346#(or (<= (select main_a main_x) 175) (= main_x main_y)), 89349#(or (= main_x main_y) (<= (select main_a main_x) 178)), 89348#(or (= main_x main_y) (<= (select main_a main_x) 177)), 89351#(or (<= (select main_a main_x) 180) (= main_x main_y)), 89350#(or (<= (select main_a main_x) 179) (= main_x main_y)), 89353#(or (<= (select main_a main_x) 182) (= main_x main_y)), 89352#(or (<= (select main_a main_x) 181) (= main_x main_y)), 89355#(or (not (= (select main_a main_x) 1000)) (= main_x main_y)), 89354#(or (= main_x main_y) (<= (select main_a main_x) 183)), 89169#true, 89171#(or (= 0 (select main_a main_x)) (= main_x main_y)), 89170#false, 89173#(or (= main_x main_y) (<= (select main_a main_x) 2)), 89172#(or (<= (select main_a main_x) 1) (= main_x main_y)), 89175#(or (<= (select main_a main_x) 4) (= main_x main_y)), 89174#(or (= main_x main_y) (<= (select main_a main_x) 3)), 89177#(or (<= (select main_a main_x) 6) (= main_x main_y)), 89176#(or (<= (select main_a main_x) 5) (= main_x main_y)), 89179#(or (<= (select main_a main_x) 8) (= main_x main_y)), 89178#(or (<= (select main_a main_x) 7) (= main_x main_y)), 89181#(or (= main_x main_y) (<= (select main_a main_x) 10)), 89180#(or (= main_x main_y) (<= (select main_a main_x) 9)), 89183#(or (<= (select main_a main_x) 12) (= main_x main_y)), 89182#(or (= main_x main_y) (<= (select main_a main_x) 11)), 89185#(or (<= (select main_a main_x) 14) (= main_x main_y)), 89184#(or (= main_x main_y) (<= (select main_a main_x) 13)), 89187#(or (<= (select main_a main_x) 16) (= main_x main_y)), 89186#(or (<= (select main_a main_x) 15) (= main_x main_y)), 89189#(or (<= (select main_a main_x) 18) (= main_x main_y)), 89188#(or (= main_x main_y) (<= (select main_a main_x) 17)), 89191#(or (= main_x main_y) (<= (select main_a main_x) 20)), 89190#(or (<= (select main_a main_x) 19) (= main_x main_y)), 89193#(or (= main_x main_y) (<= (select main_a main_x) 22)), 89192#(or (<= (select main_a main_x) 21) (= main_x main_y)), 89195#(or (<= (select main_a main_x) 24) (= main_x main_y)), 89194#(or (= main_x main_y) (<= (select main_a main_x) 23)), 89197#(or (<= (select main_a main_x) 26) (= main_x main_y)), 89196#(or (= main_x main_y) (<= (select main_a main_x) 25)), 89199#(or (<= (select main_a main_x) 28) (= main_x main_y)), 89198#(or (<= (select main_a main_x) 27) (= main_x main_y)), 89201#(or (= main_x main_y) (<= (select main_a main_x) 30)), 89200#(or (<= (select main_a main_x) 29) (= main_x main_y)), 89203#(or (<= (select main_a main_x) 32) (= main_x main_y)), 89202#(or (<= (select main_a main_x) 31) (= main_x main_y)), 89205#(or (<= (select main_a main_x) 34) (= main_x main_y)), 89204#(or (<= (select main_a main_x) 33) (= main_x main_y)), 89207#(or (<= (select main_a main_x) 36) (= main_x main_y)), 89206#(or (<= (select main_a main_x) 35) (= main_x main_y)), 89209#(or (<= (select main_a main_x) 38) (= main_x main_y)), 89208#(or (<= (select main_a main_x) 37) (= main_x main_y)), 89211#(or (<= (select main_a main_x) 40) (= main_x main_y)), 89210#(or (<= (select main_a main_x) 39) (= main_x main_y)), 89213#(or (<= (select main_a main_x) 42) (= main_x main_y)), 89212#(or (<= (select main_a main_x) 41) (= main_x main_y)), 89215#(or (= main_x main_y) (<= (select main_a main_x) 44)), 89214#(or (= main_x main_y) (<= (select main_a main_x) 43)), 89217#(or (<= (select main_a main_x) 46) (= main_x main_y)), 89216#(or (= main_x main_y) (<= (select main_a main_x) 45)), 89219#(or (<= (select main_a main_x) 48) (= main_x main_y)), 89218#(or (<= (select main_a main_x) 47) (= main_x main_y)), 89221#(or (<= (select main_a main_x) 50) (= main_x main_y)), 89220#(or (<= (select main_a main_x) 49) (= main_x main_y)), 89223#(or (= main_x main_y) (<= (select main_a main_x) 52)), 89222#(or (<= (select main_a main_x) 51) (= main_x main_y)), 89225#(or (<= (select main_a main_x) 54) (= main_x main_y)), 89224#(or (<= (select main_a main_x) 53) (= main_x main_y)), 89227#(or (= main_x main_y) (<= (select main_a main_x) 56)), 89226#(or (<= (select main_a main_x) 55) (= main_x main_y)), 89229#(or (<= (select main_a main_x) 58) (= main_x main_y)), 89228#(or (<= (select main_a main_x) 57) (= main_x main_y)), 89231#(or (= main_x main_y) (<= (select main_a main_x) 60)), 89230#(or (= main_x main_y) (<= (select main_a main_x) 59)), 89233#(or (<= (select main_a main_x) 62) (= main_x main_y)), 89232#(or (= main_x main_y) (<= (select main_a main_x) 61)), 89235#(or (= main_x main_y) (<= (select main_a main_x) 64)), 89234#(or (<= (select main_a main_x) 63) (= main_x main_y)), 89237#(or (= main_x main_y) (<= (select main_a main_x) 66)), 89236#(or (<= (select main_a main_x) 65) (= main_x main_y)), 89239#(or (= main_x main_y) (<= (select main_a main_x) 68)), 89238#(or (<= (select main_a main_x) 67) (= main_x main_y)), 89241#(or (<= (select main_a main_x) 70) (= main_x main_y)), 89240#(or (= main_x main_y) (<= (select main_a main_x) 69)), 89243#(or (= main_x main_y) (<= (select main_a main_x) 72)), 89242#(or (<= (select main_a main_x) 71) (= main_x main_y)), 89245#(or (= main_x main_y) (<= (select main_a main_x) 74)), 89244#(or (<= (select main_a main_x) 73) (= main_x main_y)), 89247#(or (<= (select main_a main_x) 76) (= main_x main_y)), 89246#(or (= main_x main_y) (<= (select main_a main_x) 75)), 89249#(or (<= (select main_a main_x) 78) (= main_x main_y)), 89248#(or (<= (select main_a main_x) 77) (= main_x main_y)), 89251#(or (<= (select main_a main_x) 80) (= main_x main_y)), 89250#(or (<= (select main_a main_x) 79) (= main_x main_y)), 89253#(or (<= (select main_a main_x) 82) (= main_x main_y)), 89252#(or (<= (select main_a main_x) 81) (= main_x main_y)), 89255#(or (<= (select main_a main_x) 84) (= main_x main_y)), 89254#(or (= main_x main_y) (<= (select main_a main_x) 83)), 89257#(or (<= (select main_a main_x) 86) (= main_x main_y)), 89256#(or (<= (select main_a main_x) 85) (= main_x main_y)), 89259#(or (<= (select main_a main_x) 88) (= main_x main_y)), 89258#(or (<= (select main_a main_x) 87) (= main_x main_y)), 89261#(or (<= (select main_a main_x) 90) (= main_x main_y)), 89260#(or (<= (select main_a main_x) 89) (= main_x main_y)), 89263#(or (<= (select main_a main_x) 92) (= main_x main_y)), 89262#(or (= main_x main_y) (<= (select main_a main_x) 91)), 89265#(or (= main_x main_y) (<= (select main_a main_x) 94)), 89264#(or (<= (select main_a main_x) 93) (= main_x main_y)), 89267#(or (<= (select main_a main_x) 96) (= main_x main_y)), 89266#(or (<= (select main_a main_x) 95) (= main_x main_y)), 89269#(or (<= (select main_a main_x) 98) (= main_x main_y)), 89268#(or (= main_x main_y) (<= (select main_a main_x) 97)), 89271#(or (<= (select main_a main_x) 100) (= main_x main_y)), 89270#(or (<= (select main_a main_x) 99) (= main_x main_y)), 89273#(or (= main_x main_y) (<= (select main_a main_x) 102)), 89272#(or (<= (select main_a main_x) 101) (= main_x main_y)), 89275#(or (<= (select main_a main_x) 104) (= main_x main_y)), 89274#(or (<= (select main_a main_x) 103) (= main_x main_y)), 89277#(or (= main_x main_y) (<= (select main_a main_x) 106)), 89276#(or (= main_x main_y) (<= (select main_a main_x) 105)), 89279#(or (<= (select main_a main_x) 108) (= main_x main_y)), 89278#(or (<= (select main_a main_x) 107) (= main_x main_y)), 89281#(or (= main_x main_y) (<= (select main_a main_x) 110)), 89280#(or (= main_x main_y) (<= (select main_a main_x) 109)), 89283#(or (<= (select main_a main_x) 112) (= main_x main_y)), 89282#(or (<= (select main_a main_x) 111) (= main_x main_y)), 89285#(or (= main_x main_y) (<= (select main_a main_x) 114)), 89284#(or (<= (select main_a main_x) 113) (= main_x main_y)), 89287#(or (<= (select main_a main_x) 116) (= main_x main_y)), 89286#(or (= main_x main_y) (<= (select main_a main_x) 115)), 89289#(or (= main_x main_y) (<= (select main_a main_x) 118)), 89288#(or (<= (select main_a main_x) 117) (= main_x main_y)), 89291#(or (<= (select main_a main_x) 120) (= main_x main_y)), 89290#(or (= main_x main_y) (<= (select main_a main_x) 119)), 89293#(or (<= (select main_a main_x) 122) (= main_x main_y)), 89292#(or (= main_x main_y) (<= (select main_a main_x) 121)), 89295#(or (= main_x main_y) (<= (select main_a main_x) 124)), 89294#(or (= main_x main_y) (<= (select main_a main_x) 123)), 89297#(or (= main_x main_y) (<= (select main_a main_x) 126)), 89296#(or (<= (select main_a main_x) 125) (= main_x main_y)), 89299#(or (= main_x main_y) (<= (select main_a main_x) 128)), 89298#(or (<= (select main_a main_x) 127) (= main_x main_y)), 89301#(or (= main_x main_y) (<= (select main_a main_x) 130)), 89300#(or (= main_x main_y) (<= (select main_a main_x) 129)), 89303#(or (<= (select main_a main_x) 132) (= main_x main_y)), 89302#(or (<= (select main_a main_x) 131) (= main_x main_y)), 89305#(or (= main_x main_y) (<= (select main_a main_x) 134)), 89304#(or (= main_x main_y) (<= (select main_a main_x) 133)), 89307#(or (<= (select main_a main_x) 136) (= main_x main_y)), 89306#(or (= main_x main_y) (<= (select main_a main_x) 135)), 89309#(or (= main_x main_y) (<= (select main_a main_x) 138)), 89308#(or (<= (select main_a main_x) 137) (= main_x main_y)), 89311#(or (<= (select main_a main_x) 140) (= main_x main_y)), 89310#(or (= main_x main_y) (<= (select main_a main_x) 139)), 89313#(or (= main_x main_y) (<= (select main_a main_x) 142)), 89312#(or (<= (select main_a main_x) 141) (= main_x main_y)), 89315#(or (<= (select main_a main_x) 144) (= main_x main_y)), 89314#(or (= main_x main_y) (<= (select main_a main_x) 143)), 89317#(or (<= (select main_a main_x) 146) (= main_x main_y)), 89316#(or (= main_x main_y) (<= (select main_a main_x) 145)), 89319#(or (<= (select main_a main_x) 148) (= main_x main_y)), 89318#(or (= main_x main_y) (<= (select main_a main_x) 147)), 89321#(or (= main_x main_y) (<= (select main_a main_x) 150)), 89320#(or (= main_x main_y) (<= (select main_a main_x) 149)), 89323#(or (<= (select main_a main_x) 152) (= main_x main_y)), 89322#(or (<= (select main_a main_x) 151) (= main_x main_y)), 89325#(or (<= (select main_a main_x) 154) (= main_x main_y)), 89324#(or (<= (select main_a main_x) 153) (= main_x main_y)), 89327#(or (<= (select main_a main_x) 156) (= main_x main_y)), 89326#(or (<= (select main_a main_x) 155) (= main_x main_y)), 89329#(or (<= (select main_a main_x) 158) (= main_x main_y)), 89328#(or (<= (select main_a main_x) 157) (= main_x main_y)), 89331#(or (= main_x main_y) (<= (select main_a main_x) 160)), 89330#(or (<= (select main_a main_x) 159) (= main_x main_y)), 89333#(or (= main_x main_y) (<= (select main_a main_x) 162)), 89332#(or (<= (select main_a main_x) 161) (= main_x main_y)), 89335#(or (<= (select main_a main_x) 164) (= main_x main_y)), 89334#(or (<= (select main_a main_x) 163) (= main_x main_y)), 89337#(or (= main_x main_y) (<= (select main_a main_x) 166)), 89336#(or (<= (select main_a main_x) 165) (= main_x main_y)), 89339#(or (<= (select main_a main_x) 168) (= main_x main_y)), 89338#(or (= main_x main_y) (<= (select main_a main_x) 167)), 89341#(or (= main_x main_y) (<= (select main_a main_x) 170)), 89340#(or (= main_x main_y) (<= (select main_a main_x) 169)), 89343#(or (= main_x main_y) (<= (select main_a main_x) 172)), 89342#(or (= main_x main_y) (<= (select main_a main_x) 171))] [2018-07-23 13:59:05,991 INFO L134 CoverageAnalysis]: Checked inductivity of 17020 backedges. 0 proven. 17020 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-07-23 13:59:05,991 INFO L450 AbstractCegarLoop]: Interpolant automaton has 187 states [2018-07-23 13:59:05,993 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 187 interpolants. [2018-07-23 13:59:05,994 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=17391, Invalid=17391, Unknown=0, NotChecked=0, Total=34782 [2018-07-23 13:59:05,995 INFO L87 Difference]: Start difference. First operand 188 states and 188 transitions. Second operand 187 states. [2018-07-23 13:59:06,789 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-07-23 13:59:06,789 INFO L93 Difference]: Finished difference Result 191 states and 191 transitions. [2018-07-23 13:59:06,789 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 187 states. [2018-07-23 13:59:06,789 INFO L78 Accepts]: Start accepts. Automaton has 187 states. Word has length 187 [2018-07-23 13:59:06,789 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-07-23 13:59:06,790 INFO L225 Difference]: With dead ends: 191 [2018-07-23 13:59:06,790 INFO L226 Difference]: Without dead ends: 189 [2018-07-23 13:59:06,792 INFO L575 BasicCegarLoop]: 0 DeclaredPredicates, 186 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 185 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 1.7s TimeCoverageRelationStatistics Valid=17391, Invalid=17391, Unknown=0, NotChecked=0, Total=34782 [2018-07-23 13:59:06,792 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 189 states. [2018-07-23 13:59:06,801 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 189 to 189. [2018-07-23 13:59:06,801 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 189 states. [2018-07-23 13:59:06,802 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 189 states to 189 states and 189 transitions. [2018-07-23 13:59:06,802 INFO L78 Accepts]: Start accepts. Automaton has 189 states and 189 transitions. Word has length 187 [2018-07-23 13:59:06,802 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-07-23 13:59:06,802 INFO L471 AbstractCegarLoop]: Abstraction has 189 states and 189 transitions. [2018-07-23 13:59:06,802 INFO L472 AbstractCegarLoop]: Interpolant automaton has 187 states. [2018-07-23 13:59:06,802 INFO L276 IsEmpty]: Start isEmpty. Operand 189 states and 189 transitions. [2018-07-23 13:59:06,802 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 189 [2018-07-23 13:59:06,803 INFO L349 BasicCegarLoop]: Found error trace [2018-07-23 13:59:06,803 INFO L357 BasicCegarLoop]: trace histogram [185, 1, 1, 1] [2018-07-23 13:59:06,803 INFO L414 AbstractCegarLoop]: === Iteration 186 === [mainErr0AssertViolationASSERT]=== [2018-07-23 13:59:06,803 INFO L82 PathProgramCache]: Analyzing trace with hash -506137978, now seen corresponding path program 185 times [2018-07-23 13:59:06,803 INFO L69 tionRefinementEngine]: Using refinement strategy FixedRefinementStrategy [2018-07-23 13:59:07,085 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-07-23 13:59:09,033 INFO L134 CoverageAnalysis]: Checked inductivity of 17205 backedges. 0 proven. 17205 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-07-23 13:59:09,034 INFO L309 seRefinementStrategy]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2018-07-23 13:59:09,034 INFO L324 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [187] total 187 [2018-07-23 13:59:09,034 INFO L142 lantAutomatonBuilder]: Constructing canonical interpolant automaton, with selfloop in false state [2018-07-23 13:59:09,034 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-07-23 13:59:09,034 INFO L185 omatonBuilderFactory]: Interpolants [90117#false, 90116#true, 90119#(or (<= (select main_a main_x) 1) (= main_x main_y)), 90118#(or (= 0 (select main_a main_x)) (= main_x main_y)), 90121#(or (= main_x main_y) (<= (select main_a main_x) 3)), 90120#(or (= main_x main_y) (<= (select main_a main_x) 2)), 90123#(or (<= (select main_a main_x) 5) (= main_x main_y)), 90122#(or (<= (select main_a main_x) 4) (= main_x main_y)), 90125#(or (<= (select main_a main_x) 7) (= main_x main_y)), 90124#(or (<= (select main_a main_x) 6) (= main_x main_y)), 90127#(or (= main_x main_y) (<= (select main_a main_x) 9)), 90126#(or (<= (select main_a main_x) 8) (= main_x main_y)), 90129#(or (= main_x main_y) (<= (select main_a main_x) 11)), 90128#(or (= main_x main_y) (<= (select main_a main_x) 10)), 90131#(or (= main_x main_y) (<= (select main_a main_x) 13)), 90130#(or (<= (select main_a main_x) 12) (= main_x main_y)), 90133#(or (<= (select main_a main_x) 15) (= main_x main_y)), 90132#(or (<= (select main_a main_x) 14) (= main_x main_y)), 90135#(or (= main_x main_y) (<= (select main_a main_x) 17)), 90134#(or (<= (select main_a main_x) 16) (= main_x main_y)), 90137#(or (<= (select main_a main_x) 19) (= main_x main_y)), 90136#(or (<= (select main_a main_x) 18) (= main_x main_y)), 90139#(or (<= (select main_a main_x) 21) (= main_x main_y)), 90138#(or (= main_x main_y) (<= (select main_a main_x) 20)), 90141#(or (= main_x main_y) (<= (select main_a main_x) 23)), 90140#(or (= main_x main_y) (<= (select main_a main_x) 22)), 90143#(or (= main_x main_y) (<= (select main_a main_x) 25)), 90142#(or (<= (select main_a main_x) 24) (= main_x main_y)), 90145#(or (<= (select main_a main_x) 27) (= main_x main_y)), 90144#(or (<= (select main_a main_x) 26) (= main_x main_y)), 90147#(or (<= (select main_a main_x) 29) (= main_x main_y)), 90146#(or (<= (select main_a main_x) 28) (= main_x main_y)), 90149#(or (<= (select main_a main_x) 31) (= main_x main_y)), 90148#(or (= main_x main_y) (<= (select main_a main_x) 30)), 90151#(or (<= (select main_a main_x) 33) (= main_x main_y)), 90150#(or (<= (select main_a main_x) 32) (= main_x main_y)), 90153#(or (<= (select main_a main_x) 35) (= main_x main_y)), 90152#(or (<= (select main_a main_x) 34) (= main_x main_y)), 90155#(or (<= (select main_a main_x) 37) (= main_x main_y)), 90154#(or (<= (select main_a main_x) 36) (= main_x main_y)), 90157#(or (<= (select main_a main_x) 39) (= main_x main_y)), 90156#(or (<= (select main_a main_x) 38) (= main_x main_y)), 90159#(or (<= (select main_a main_x) 41) (= main_x main_y)), 90158#(or (<= (select main_a main_x) 40) (= main_x main_y)), 90161#(or (= main_x main_y) (<= (select main_a main_x) 43)), 90160#(or (<= (select main_a main_x) 42) (= main_x main_y)), 90163#(or (= main_x main_y) (<= (select main_a main_x) 45)), 90162#(or (= main_x main_y) (<= (select main_a main_x) 44)), 90165#(or (<= (select main_a main_x) 47) (= main_x main_y)), 90164#(or (<= (select main_a main_x) 46) (= main_x main_y)), 90167#(or (<= (select main_a main_x) 49) (= main_x main_y)), 90166#(or (<= (select main_a main_x) 48) (= main_x main_y)), 90169#(or (<= (select main_a main_x) 51) (= main_x main_y)), 90168#(or (<= (select main_a main_x) 50) (= main_x main_y)), 90171#(or (<= (select main_a main_x) 53) (= main_x main_y)), 90170#(or (= main_x main_y) (<= (select main_a main_x) 52)), 90173#(or (<= (select main_a main_x) 55) (= main_x main_y)), 90172#(or (<= (select main_a main_x) 54) (= main_x main_y)), 90175#(or (<= (select main_a main_x) 57) (= main_x main_y)), 90174#(or (= main_x main_y) (<= (select main_a main_x) 56)), 90177#(or (= main_x main_y) (<= (select main_a main_x) 59)), 90176#(or (<= (select main_a main_x) 58) (= main_x main_y)), 90179#(or (= main_x main_y) (<= (select main_a main_x) 61)), 90178#(or (= main_x main_y) (<= (select main_a main_x) 60)), 90181#(or (<= (select main_a main_x) 63) (= main_x main_y)), 90180#(or (<= (select main_a main_x) 62) (= main_x main_y)), 90183#(or (<= (select main_a main_x) 65) (= main_x main_y)), 90182#(or (= main_x main_y) (<= (select main_a main_x) 64)), 90185#(or (<= (select main_a main_x) 67) (= main_x main_y)), 90184#(or (= main_x main_y) (<= (select main_a main_x) 66)), 90187#(or (= main_x main_y) (<= (select main_a main_x) 69)), 90186#(or (= main_x main_y) (<= (select main_a main_x) 68)), 90189#(or (<= (select main_a main_x) 71) (= main_x main_y)), 90188#(or (<= (select main_a main_x) 70) (= main_x main_y)), 90191#(or (<= (select main_a main_x) 73) (= main_x main_y)), 90190#(or (= main_x main_y) (<= (select main_a main_x) 72)), 90193#(or (= main_x main_y) (<= (select main_a main_x) 75)), 90192#(or (= main_x main_y) (<= (select main_a main_x) 74)), 90195#(or (<= (select main_a main_x) 77) (= main_x main_y)), 90194#(or (<= (select main_a main_x) 76) (= main_x main_y)), 90197#(or (<= (select main_a main_x) 79) (= main_x main_y)), 90196#(or (<= (select main_a main_x) 78) (= main_x main_y)), 90199#(or (<= (select main_a main_x) 81) (= main_x main_y)), 90198#(or (<= (select main_a main_x) 80) (= main_x main_y)), 90201#(or (= main_x main_y) (<= (select main_a main_x) 83)), 90200#(or (<= (select main_a main_x) 82) (= main_x main_y)), 90203#(or (<= (select main_a main_x) 85) (= main_x main_y)), 90202#(or (<= (select main_a main_x) 84) (= main_x main_y)), 90205#(or (<= (select main_a main_x) 87) (= main_x main_y)), 90204#(or (<= (select main_a main_x) 86) (= main_x main_y)), 90207#(or (<= (select main_a main_x) 89) (= main_x main_y)), 90206#(or (<= (select main_a main_x) 88) (= main_x main_y)), 90209#(or (= main_x main_y) (<= (select main_a main_x) 91)), 90208#(or (<= (select main_a main_x) 90) (= main_x main_y)), 90211#(or (<= (select main_a main_x) 93) (= main_x main_y)), 90210#(or (<= (select main_a main_x) 92) (= main_x main_y)), 90213#(or (<= (select main_a main_x) 95) (= main_x main_y)), 90212#(or (= main_x main_y) (<= (select main_a main_x) 94)), 90215#(or (= main_x main_y) (<= (select main_a main_x) 97)), 90214#(or (<= (select main_a main_x) 96) (= main_x main_y)), 90217#(or (<= (select main_a main_x) 99) (= main_x main_y)), 90216#(or (<= (select main_a main_x) 98) (= main_x main_y)), 90219#(or (<= (select main_a main_x) 101) (= main_x main_y)), 90218#(or (<= (select main_a main_x) 100) (= main_x main_y)), 90221#(or (<= (select main_a main_x) 103) (= main_x main_y)), 90220#(or (= main_x main_y) (<= (select main_a main_x) 102)), 90223#(or (= main_x main_y) (<= (select main_a main_x) 105)), 90222#(or (<= (select main_a main_x) 104) (= main_x main_y)), 90225#(or (<= (select main_a main_x) 107) (= main_x main_y)), 90224#(or (= main_x main_y) (<= (select main_a main_x) 106)), 90227#(or (= main_x main_y) (<= (select main_a main_x) 109)), 90226#(or (<= (select main_a main_x) 108) (= main_x main_y)), 90229#(or (<= (select main_a main_x) 111) (= main_x main_y)), 90228#(or (= main_x main_y) (<= (select main_a main_x) 110)), 90231#(or (<= (select main_a main_x) 113) (= main_x main_y)), 90230#(or (<= (select main_a main_x) 112) (= main_x main_y)), 90233#(or (= main_x main_y) (<= (select main_a main_x) 115)), 90232#(or (= main_x main_y) (<= (select main_a main_x) 114)), 90235#(or (<= (select main_a main_x) 117) (= main_x main_y)), 90234#(or (<= (select main_a main_x) 116) (= main_x main_y)), 90237#(or (= main_x main_y) (<= (select main_a main_x) 119)), 90236#(or (= main_x main_y) (<= (select main_a main_x) 118)), 90239#(or (= main_x main_y) (<= (select main_a main_x) 121)), 90238#(or (<= (select main_a main_x) 120) (= main_x main_y)), 90241#(or (= main_x main_y) (<= (select main_a main_x) 123)), 90240#(or (<= (select main_a main_x) 122) (= main_x main_y)), 90243#(or (<= (select main_a main_x) 125) (= main_x main_y)), 90242#(or (= main_x main_y) (<= (select main_a main_x) 124)), 90245#(or (<= (select main_a main_x) 127) (= main_x main_y)), 90244#(or (= main_x main_y) (<= (select main_a main_x) 126)), 90247#(or (= main_x main_y) (<= (select main_a main_x) 129)), 90246#(or (= main_x main_y) (<= (select main_a main_x) 128)), 90249#(or (<= (select main_a main_x) 131) (= main_x main_y)), 90248#(or (= main_x main_y) (<= (select main_a main_x) 130)), 90251#(or (= main_x main_y) (<= (select main_a main_x) 133)), 90250#(or (<= (select main_a main_x) 132) (= main_x main_y)), 90253#(or (= main_x main_y) (<= (select main_a main_x) 135)), 90252#(or (= main_x main_y) (<= (select main_a main_x) 134)), 90255#(or (<= (select main_a main_x) 137) (= main_x main_y)), 90254#(or (<= (select main_a main_x) 136) (= main_x main_y)), 90257#(or (= main_x main_y) (<= (select main_a main_x) 139)), 90256#(or (= main_x main_y) (<= (select main_a main_x) 138)), 90259#(or (<= (select main_a main_x) 141) (= main_x main_y)), 90258#(or (<= (select main_a main_x) 140) (= main_x main_y)), 90261#(or (= main_x main_y) (<= (select main_a main_x) 143)), 90260#(or (= main_x main_y) (<= (select main_a main_x) 142)), 90263#(or (= main_x main_y) (<= (select main_a main_x) 145)), 90262#(or (<= (select main_a main_x) 144) (= main_x main_y)), 90265#(or (= main_x main_y) (<= (select main_a main_x) 147)), 90264#(or (<= (select main_a main_x) 146) (= main_x main_y)), 90267#(or (= main_x main_y) (<= (select main_a main_x) 149)), 90266#(or (<= (select main_a main_x) 148) (= main_x main_y)), 90269#(or (<= (select main_a main_x) 151) (= main_x main_y)), 90268#(or (= main_x main_y) (<= (select main_a main_x) 150)), 90271#(or (<= (select main_a main_x) 153) (= main_x main_y)), 90270#(or (<= (select main_a main_x) 152) (= main_x main_y)), 90273#(or (<= (select main_a main_x) 155) (= main_x main_y)), 90272#(or (<= (select main_a main_x) 154) (= main_x main_y)), 90275#(or (<= (select main_a main_x) 157) (= main_x main_y)), 90274#(or (<= (select main_a main_x) 156) (= main_x main_y)), 90277#(or (<= (select main_a main_x) 159) (= main_x main_y)), 90276#(or (<= (select main_a main_x) 158) (= main_x main_y)), 90279#(or (<= (select main_a main_x) 161) (= main_x main_y)), 90278#(or (= main_x main_y) (<= (select main_a main_x) 160)), 90281#(or (<= (select main_a main_x) 163) (= main_x main_y)), 90280#(or (= main_x main_y) (<= (select main_a main_x) 162)), 90283#(or (<= (select main_a main_x) 165) (= main_x main_y)), 90282#(or (<= (select main_a main_x) 164) (= main_x main_y)), 90285#(or (= main_x main_y) (<= (select main_a main_x) 167)), 90284#(or (= main_x main_y) (<= (select main_a main_x) 166)), 90287#(or (= main_x main_y) (<= (select main_a main_x) 169)), 90286#(or (<= (select main_a main_x) 168) (= main_x main_y)), 90289#(or (= main_x main_y) (<= (select main_a main_x) 171)), 90288#(or (= main_x main_y) (<= (select main_a main_x) 170)), 90291#(or (= main_x main_y) (<= (select main_a main_x) 173)), 90290#(or (= main_x main_y) (<= (select main_a main_x) 172)), 90293#(or (<= (select main_a main_x) 175) (= main_x main_y)), 90292#(or (= main_x main_y) (<= (select main_a main_x) 174)), 90295#(or (= main_x main_y) (<= (select main_a main_x) 177)), 90294#(or (= main_x main_y) (<= (select main_a main_x) 176)), 90297#(or (<= (select main_a main_x) 179) (= main_x main_y)), 90296#(or (= main_x main_y) (<= (select main_a main_x) 178)), 90299#(or (<= (select main_a main_x) 181) (= main_x main_y)), 90298#(or (<= (select main_a main_x) 180) (= main_x main_y)), 90301#(or (= main_x main_y) (<= (select main_a main_x) 183)), 90300#(or (<= (select main_a main_x) 182) (= main_x main_y)), 90303#(or (not (= (select main_a main_x) 1000)) (= main_x main_y)), 90302#(or (<= (select main_a main_x) 184) (= main_x main_y))] [2018-07-23 13:59:09,035 INFO L134 CoverageAnalysis]: Checked inductivity of 17205 backedges. 0 proven. 17205 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-07-23 13:59:09,035 INFO L450 AbstractCegarLoop]: Interpolant automaton has 188 states [2018-07-23 13:59:09,037 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 188 interpolants. [2018-07-23 13:59:09,038 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=17578, Invalid=17578, Unknown=0, NotChecked=0, Total=35156 [2018-07-23 13:59:09,038 INFO L87 Difference]: Start difference. First operand 189 states and 189 transitions. Second operand 188 states. [2018-07-23 13:59:09,831 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-07-23 13:59:09,831 INFO L93 Difference]: Finished difference Result 192 states and 192 transitions. [2018-07-23 13:59:09,831 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 188 states. [2018-07-23 13:59:09,831 INFO L78 Accepts]: Start accepts. Automaton has 188 states. Word has length 188 [2018-07-23 13:59:09,832 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-07-23 13:59:09,832 INFO L225 Difference]: With dead ends: 192 [2018-07-23 13:59:09,832 INFO L226 Difference]: Without dead ends: 190 [2018-07-23 13:59:09,834 INFO L575 BasicCegarLoop]: 0 DeclaredPredicates, 187 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 186 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 1.7s TimeCoverageRelationStatistics Valid=17578, Invalid=17578, Unknown=0, NotChecked=0, Total=35156 [2018-07-23 13:59:09,834 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 190 states. [2018-07-23 13:59:09,842 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 190 to 190. [2018-07-23 13:59:09,842 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 190 states. [2018-07-23 13:59:09,842 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 190 states to 190 states and 190 transitions. [2018-07-23 13:59:09,842 INFO L78 Accepts]: Start accepts. Automaton has 190 states and 190 transitions. Word has length 188 [2018-07-23 13:59:09,842 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-07-23 13:59:09,842 INFO L471 AbstractCegarLoop]: Abstraction has 190 states and 190 transitions. [2018-07-23 13:59:09,842 INFO L472 AbstractCegarLoop]: Interpolant automaton has 188 states. [2018-07-23 13:59:09,842 INFO L276 IsEmpty]: Start isEmpty. Operand 190 states and 190 transitions. [2018-07-23 13:59:09,843 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 190 [2018-07-23 13:59:09,843 INFO L349 BasicCegarLoop]: Found error trace [2018-07-23 13:59:09,843 INFO L357 BasicCegarLoop]: trace histogram [186, 1, 1, 1] [2018-07-23 13:59:09,843 INFO L414 AbstractCegarLoop]: === Iteration 187 === [mainErr0AssertViolationASSERT]=== [2018-07-23 13:59:09,843 INFO L82 PathProgramCache]: Analyzing trace with hash 1489588000, now seen corresponding path program 186 times [2018-07-23 13:59:09,843 INFO L69 tionRefinementEngine]: Using refinement strategy FixedRefinementStrategy [2018-07-23 13:59:10,081 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-07-23 13:59:11,863 INFO L134 CoverageAnalysis]: Checked inductivity of 17391 backedges. 0 proven. 17391 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-07-23 13:59:11,863 INFO L309 seRefinementStrategy]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2018-07-23 13:59:11,863 INFO L324 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [188] total 188 [2018-07-23 13:59:11,863 INFO L142 lantAutomatonBuilder]: Constructing canonical interpolant automaton, with selfloop in false state [2018-07-23 13:59:11,863 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-07-23 13:59:11,864 INFO L185 omatonBuilderFactory]: Interpolants [91137#(or (<= (select main_a main_x) 67) (= main_x main_y)), 91136#(or (= main_x main_y) (<= (select main_a main_x) 66)), 91139#(or (= main_x main_y) (<= (select main_a main_x) 69)), 91138#(or (= main_x main_y) (<= (select main_a main_x) 68)), 91141#(or (<= (select main_a main_x) 71) (= main_x main_y)), 91140#(or (<= (select main_a main_x) 70) (= main_x main_y)), 91143#(or (<= (select main_a main_x) 73) (= main_x main_y)), 91142#(or (= main_x main_y) (<= (select main_a main_x) 72)), 91145#(or (= main_x main_y) (<= (select main_a main_x) 75)), 91144#(or (= main_x main_y) (<= (select main_a main_x) 74)), 91147#(or (<= (select main_a main_x) 77) (= main_x main_y)), 91146#(or (<= (select main_a main_x) 76) (= main_x main_y)), 91149#(or (<= (select main_a main_x) 79) (= main_x main_y)), 91148#(or (<= (select main_a main_x) 78) (= main_x main_y)), 91151#(or (<= (select main_a main_x) 81) (= main_x main_y)), 91150#(or (<= (select main_a main_x) 80) (= main_x main_y)), 91153#(or (= main_x main_y) (<= (select main_a main_x) 83)), 91152#(or (<= (select main_a main_x) 82) (= main_x main_y)), 91155#(or (<= (select main_a main_x) 85) (= main_x main_y)), 91154#(or (<= (select main_a main_x) 84) (= main_x main_y)), 91157#(or (<= (select main_a main_x) 87) (= main_x main_y)), 91156#(or (<= (select main_a main_x) 86) (= main_x main_y)), 91159#(or (<= (select main_a main_x) 89) (= main_x main_y)), 91158#(or (<= (select main_a main_x) 88) (= main_x main_y)), 91161#(or (= main_x main_y) (<= (select main_a main_x) 91)), 91160#(or (<= (select main_a main_x) 90) (= main_x main_y)), 91163#(or (<= (select main_a main_x) 93) (= main_x main_y)), 91162#(or (<= (select main_a main_x) 92) (= main_x main_y)), 91165#(or (<= (select main_a main_x) 95) (= main_x main_y)), 91164#(or (= main_x main_y) (<= (select main_a main_x) 94)), 91167#(or (= main_x main_y) (<= (select main_a main_x) 97)), 91166#(or (<= (select main_a main_x) 96) (= main_x main_y)), 91169#(or (<= (select main_a main_x) 99) (= main_x main_y)), 91168#(or (<= (select main_a main_x) 98) (= main_x main_y)), 91171#(or (<= (select main_a main_x) 101) (= main_x main_y)), 91170#(or (<= (select main_a main_x) 100) (= main_x main_y)), 91173#(or (<= (select main_a main_x) 103) (= main_x main_y)), 91172#(or (= main_x main_y) (<= (select main_a main_x) 102)), 91175#(or (= main_x main_y) (<= (select main_a main_x) 105)), 91174#(or (<= (select main_a main_x) 104) (= main_x main_y)), 91177#(or (<= (select main_a main_x) 107) (= main_x main_y)), 91176#(or (= main_x main_y) (<= (select main_a main_x) 106)), 91179#(or (= main_x main_y) (<= (select main_a main_x) 109)), 91178#(or (<= (select main_a main_x) 108) (= main_x main_y)), 91181#(or (<= (select main_a main_x) 111) (= main_x main_y)), 91180#(or (= main_x main_y) (<= (select main_a main_x) 110)), 91183#(or (<= (select main_a main_x) 113) (= main_x main_y)), 91182#(or (<= (select main_a main_x) 112) (= main_x main_y)), 91185#(or (= main_x main_y) (<= (select main_a main_x) 115)), 91184#(or (= main_x main_y) (<= (select main_a main_x) 114)), 91187#(or (<= (select main_a main_x) 117) (= main_x main_y)), 91186#(or (<= (select main_a main_x) 116) (= main_x main_y)), 91189#(or (= main_x main_y) (<= (select main_a main_x) 119)), 91188#(or (= main_x main_y) (<= (select main_a main_x) 118)), 91191#(or (= main_x main_y) (<= (select main_a main_x) 121)), 91190#(or (<= (select main_a main_x) 120) (= main_x main_y)), 91193#(or (= main_x main_y) (<= (select main_a main_x) 123)), 91192#(or (<= (select main_a main_x) 122) (= main_x main_y)), 91195#(or (<= (select main_a main_x) 125) (= main_x main_y)), 91194#(or (= main_x main_y) (<= (select main_a main_x) 124)), 91197#(or (<= (select main_a main_x) 127) (= main_x main_y)), 91196#(or (= main_x main_y) (<= (select main_a main_x) 126)), 91199#(or (= main_x main_y) (<= (select main_a main_x) 129)), 91198#(or (= main_x main_y) (<= (select main_a main_x) 128)), 91201#(or (<= (select main_a main_x) 131) (= main_x main_y)), 91200#(or (= main_x main_y) (<= (select main_a main_x) 130)), 91203#(or (= main_x main_y) (<= (select main_a main_x) 133)), 91202#(or (<= (select main_a main_x) 132) (= main_x main_y)), 91205#(or (= main_x main_y) (<= (select main_a main_x) 135)), 91204#(or (= main_x main_y) (<= (select main_a main_x) 134)), 91207#(or (<= (select main_a main_x) 137) (= main_x main_y)), 91206#(or (<= (select main_a main_x) 136) (= main_x main_y)), 91209#(or (= main_x main_y) (<= (select main_a main_x) 139)), 91208#(or (= main_x main_y) (<= (select main_a main_x) 138)), 91211#(or (<= (select main_a main_x) 141) (= main_x main_y)), 91210#(or (<= (select main_a main_x) 140) (= main_x main_y)), 91213#(or (= main_x main_y) (<= (select main_a main_x) 143)), 91212#(or (= main_x main_y) (<= (select main_a main_x) 142)), 91215#(or (= main_x main_y) (<= (select main_a main_x) 145)), 91214#(or (<= (select main_a main_x) 144) (= main_x main_y)), 91217#(or (= main_x main_y) (<= (select main_a main_x) 147)), 91216#(or (<= (select main_a main_x) 146) (= main_x main_y)), 91219#(or (= main_x main_y) (<= (select main_a main_x) 149)), 91218#(or (<= (select main_a main_x) 148) (= main_x main_y)), 91221#(or (<= (select main_a main_x) 151) (= main_x main_y)), 91220#(or (= main_x main_y) (<= (select main_a main_x) 150)), 91223#(or (<= (select main_a main_x) 153) (= main_x main_y)), 91222#(or (<= (select main_a main_x) 152) (= main_x main_y)), 91225#(or (<= (select main_a main_x) 155) (= main_x main_y)), 91224#(or (<= (select main_a main_x) 154) (= main_x main_y)), 91227#(or (<= (select main_a main_x) 157) (= main_x main_y)), 91226#(or (<= (select main_a main_x) 156) (= main_x main_y)), 91229#(or (<= (select main_a main_x) 159) (= main_x main_y)), 91228#(or (<= (select main_a main_x) 158) (= main_x main_y)), 91231#(or (<= (select main_a main_x) 161) (= main_x main_y)), 91230#(or (= main_x main_y) (<= (select main_a main_x) 160)), 91233#(or (<= (select main_a main_x) 163) (= main_x main_y)), 91232#(or (= main_x main_y) (<= (select main_a main_x) 162)), 91235#(or (<= (select main_a main_x) 165) (= main_x main_y)), 91234#(or (<= (select main_a main_x) 164) (= main_x main_y)), 91237#(or (= main_x main_y) (<= (select main_a main_x) 167)), 91236#(or (= main_x main_y) (<= (select main_a main_x) 166)), 91239#(or (= main_x main_y) (<= (select main_a main_x) 169)), 91238#(or (<= (select main_a main_x) 168) (= main_x main_y)), 91241#(or (= main_x main_y) (<= (select main_a main_x) 171)), 91240#(or (= main_x main_y) (<= (select main_a main_x) 170)), 91243#(or (= main_x main_y) (<= (select main_a main_x) 173)), 91242#(or (= main_x main_y) (<= (select main_a main_x) 172)), 91245#(or (<= (select main_a main_x) 175) (= main_x main_y)), 91244#(or (= main_x main_y) (<= (select main_a main_x) 174)), 91247#(or (= main_x main_y) (<= (select main_a main_x) 177)), 91246#(or (= main_x main_y) (<= (select main_a main_x) 176)), 91249#(or (<= (select main_a main_x) 179) (= main_x main_y)), 91248#(or (= main_x main_y) (<= (select main_a main_x) 178)), 91251#(or (<= (select main_a main_x) 181) (= main_x main_y)), 91250#(or (<= (select main_a main_x) 180) (= main_x main_y)), 91253#(or (= main_x main_y) (<= (select main_a main_x) 183)), 91252#(or (<= (select main_a main_x) 182) (= main_x main_y)), 91255#(or (<= (select main_a main_x) 185) (= main_x main_y)), 91254#(or (<= (select main_a main_x) 184) (= main_x main_y)), 91256#(or (not (= (select main_a main_x) 1000)) (= main_x main_y)), 91069#false, 91068#true, 91071#(or (<= (select main_a main_x) 1) (= main_x main_y)), 91070#(or (= 0 (select main_a main_x)) (= main_x main_y)), 91073#(or (= main_x main_y) (<= (select main_a main_x) 3)), 91072#(or (= main_x main_y) (<= (select main_a main_x) 2)), 91075#(or (<= (select main_a main_x) 5) (= main_x main_y)), 91074#(or (<= (select main_a main_x) 4) (= main_x main_y)), 91077#(or (<= (select main_a main_x) 7) (= main_x main_y)), 91076#(or (<= (select main_a main_x) 6) (= main_x main_y)), 91079#(or (= main_x main_y) (<= (select main_a main_x) 9)), 91078#(or (<= (select main_a main_x) 8) (= main_x main_y)), 91081#(or (= main_x main_y) (<= (select main_a main_x) 11)), 91080#(or (= main_x main_y) (<= (select main_a main_x) 10)), 91083#(or (= main_x main_y) (<= (select main_a main_x) 13)), 91082#(or (<= (select main_a main_x) 12) (= main_x main_y)), 91085#(or (<= (select main_a main_x) 15) (= main_x main_y)), 91084#(or (<= (select main_a main_x) 14) (= main_x main_y)), 91087#(or (= main_x main_y) (<= (select main_a main_x) 17)), 91086#(or (<= (select main_a main_x) 16) (= main_x main_y)), 91089#(or (<= (select main_a main_x) 19) (= main_x main_y)), 91088#(or (<= (select main_a main_x) 18) (= main_x main_y)), 91091#(or (<= (select main_a main_x) 21) (= main_x main_y)), 91090#(or (= main_x main_y) (<= (select main_a main_x) 20)), 91093#(or (= main_x main_y) (<= (select main_a main_x) 23)), 91092#(or (= main_x main_y) (<= (select main_a main_x) 22)), 91095#(or (= main_x main_y) (<= (select main_a main_x) 25)), 91094#(or (<= (select main_a main_x) 24) (= main_x main_y)), 91097#(or (<= (select main_a main_x) 27) (= main_x main_y)), 91096#(or (<= (select main_a main_x) 26) (= main_x main_y)), 91099#(or (<= (select main_a main_x) 29) (= main_x main_y)), 91098#(or (<= (select main_a main_x) 28) (= main_x main_y)), 91101#(or (<= (select main_a main_x) 31) (= main_x main_y)), 91100#(or (= main_x main_y) (<= (select main_a main_x) 30)), 91103#(or (<= (select main_a main_x) 33) (= main_x main_y)), 91102#(or (<= (select main_a main_x) 32) (= main_x main_y)), 91105#(or (<= (select main_a main_x) 35) (= main_x main_y)), 91104#(or (<= (select main_a main_x) 34) (= main_x main_y)), 91107#(or (<= (select main_a main_x) 37) (= main_x main_y)), 91106#(or (<= (select main_a main_x) 36) (= main_x main_y)), 91109#(or (<= (select main_a main_x) 39) (= main_x main_y)), 91108#(or (<= (select main_a main_x) 38) (= main_x main_y)), 91111#(or (<= (select main_a main_x) 41) (= main_x main_y)), 91110#(or (<= (select main_a main_x) 40) (= main_x main_y)), 91113#(or (= main_x main_y) (<= (select main_a main_x) 43)), 91112#(or (<= (select main_a main_x) 42) (= main_x main_y)), 91115#(or (= main_x main_y) (<= (select main_a main_x) 45)), 91114#(or (= main_x main_y) (<= (select main_a main_x) 44)), 91117#(or (<= (select main_a main_x) 47) (= main_x main_y)), 91116#(or (<= (select main_a main_x) 46) (= main_x main_y)), 91119#(or (<= (select main_a main_x) 49) (= main_x main_y)), 91118#(or (<= (select main_a main_x) 48) (= main_x main_y)), 91121#(or (<= (select main_a main_x) 51) (= main_x main_y)), 91120#(or (<= (select main_a main_x) 50) (= main_x main_y)), 91123#(or (<= (select main_a main_x) 53) (= main_x main_y)), 91122#(or (= main_x main_y) (<= (select main_a main_x) 52)), 91125#(or (<= (select main_a main_x) 55) (= main_x main_y)), 91124#(or (<= (select main_a main_x) 54) (= main_x main_y)), 91127#(or (<= (select main_a main_x) 57) (= main_x main_y)), 91126#(or (= main_x main_y) (<= (select main_a main_x) 56)), 91129#(or (= main_x main_y) (<= (select main_a main_x) 59)), 91128#(or (<= (select main_a main_x) 58) (= main_x main_y)), 91131#(or (= main_x main_y) (<= (select main_a main_x) 61)), 91130#(or (= main_x main_y) (<= (select main_a main_x) 60)), 91133#(or (<= (select main_a main_x) 63) (= main_x main_y)), 91132#(or (<= (select main_a main_x) 62) (= main_x main_y)), 91135#(or (<= (select main_a main_x) 65) (= main_x main_y)), 91134#(or (= main_x main_y) (<= (select main_a main_x) 64))] [2018-07-23 13:59:11,865 INFO L134 CoverageAnalysis]: Checked inductivity of 17391 backedges. 0 proven. 17391 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-07-23 13:59:11,865 INFO L450 AbstractCegarLoop]: Interpolant automaton has 189 states [2018-07-23 13:59:11,866 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 189 interpolants. [2018-07-23 13:59:11,867 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=17766, Invalid=17766, Unknown=0, NotChecked=0, Total=35532 [2018-07-23 13:59:11,867 INFO L87 Difference]: Start difference. First operand 190 states and 190 transitions. Second operand 189 states. [2018-07-23 13:59:12,292 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-07-23 13:59:12,292 INFO L93 Difference]: Finished difference Result 193 states and 193 transitions. [2018-07-23 13:59:12,292 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 189 states. [2018-07-23 13:59:12,292 INFO L78 Accepts]: Start accepts. Automaton has 189 states. Word has length 189 [2018-07-23 13:59:12,292 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-07-23 13:59:12,292 INFO L225 Difference]: With dead ends: 193 [2018-07-23 13:59:12,293 INFO L226 Difference]: Without dead ends: 191 [2018-07-23 13:59:12,294 INFO L575 BasicCegarLoop]: 0 DeclaredPredicates, 188 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 187 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 1.6s TimeCoverageRelationStatistics Valid=17766, Invalid=17766, Unknown=0, NotChecked=0, Total=35532 [2018-07-23 13:59:12,294 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 191 states. [2018-07-23 13:59:12,302 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 191 to 191. [2018-07-23 13:59:12,302 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 191 states. [2018-07-23 13:59:12,302 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 191 states to 191 states and 191 transitions. [2018-07-23 13:59:12,302 INFO L78 Accepts]: Start accepts. Automaton has 191 states and 191 transitions. Word has length 189 [2018-07-23 13:59:12,302 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-07-23 13:59:12,302 INFO L471 AbstractCegarLoop]: Abstraction has 191 states and 191 transitions. [2018-07-23 13:59:12,302 INFO L472 AbstractCegarLoop]: Interpolant automaton has 189 states. [2018-07-23 13:59:12,302 INFO L276 IsEmpty]: Start isEmpty. Operand 191 states and 191 transitions. [2018-07-23 13:59:12,303 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 191 [2018-07-23 13:59:12,303 INFO L349 BasicCegarLoop]: Found error trace [2018-07-23 13:59:12,303 INFO L357 BasicCegarLoop]: trace histogram [187, 1, 1, 1] [2018-07-23 13:59:12,303 INFO L414 AbstractCegarLoop]: === Iteration 188 === [mainErr0AssertViolationASSERT]=== [2018-07-23 13:59:12,303 INFO L82 PathProgramCache]: Analyzing trace with hash -1067416122, now seen corresponding path program 187 times [2018-07-23 13:59:12,303 INFO L69 tionRefinementEngine]: Using refinement strategy FixedRefinementStrategy [2018-07-23 13:59:12,544 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-07-23 13:59:14,385 INFO L134 CoverageAnalysis]: Checked inductivity of 17578 backedges. 0 proven. 17578 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-07-23 13:59:14,386 INFO L309 seRefinementStrategy]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2018-07-23 13:59:14,386 INFO L324 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [189] total 189 [2018-07-23 13:59:14,386 INFO L142 lantAutomatonBuilder]: Constructing canonical interpolant automaton, with selfloop in false state [2018-07-23 13:59:14,386 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-07-23 13:59:14,386 INFO L185 omatonBuilderFactory]: Interpolants [92161#(or (= main_x main_y) (<= (select main_a main_x) 134)), 92160#(or (= main_x main_y) (<= (select main_a main_x) 133)), 92163#(or (<= (select main_a main_x) 136) (= main_x main_y)), 92162#(or (= main_x main_y) (<= (select main_a main_x) 135)), 92165#(or (= main_x main_y) (<= (select main_a main_x) 138)), 92164#(or (<= (select main_a main_x) 137) (= main_x main_y)), 92167#(or (<= (select main_a main_x) 140) (= main_x main_y)), 92166#(or (= main_x main_y) (<= (select main_a main_x) 139)), 92169#(or (= main_x main_y) (<= (select main_a main_x) 142)), 92168#(or (<= (select main_a main_x) 141) (= main_x main_y)), 92171#(or (<= (select main_a main_x) 144) (= main_x main_y)), 92170#(or (= main_x main_y) (<= (select main_a main_x) 143)), 92173#(or (<= (select main_a main_x) 146) (= main_x main_y)), 92172#(or (= main_x main_y) (<= (select main_a main_x) 145)), 92175#(or (<= (select main_a main_x) 148) (= main_x main_y)), 92174#(or (= main_x main_y) (<= (select main_a main_x) 147)), 92177#(or (= main_x main_y) (<= (select main_a main_x) 150)), 92176#(or (= main_x main_y) (<= (select main_a main_x) 149)), 92179#(or (<= (select main_a main_x) 152) (= main_x main_y)), 92178#(or (<= (select main_a main_x) 151) (= main_x main_y)), 92181#(or (<= (select main_a main_x) 154) (= main_x main_y)), 92180#(or (<= (select main_a main_x) 153) (= main_x main_y)), 92183#(or (<= (select main_a main_x) 156) (= main_x main_y)), 92182#(or (<= (select main_a main_x) 155) (= main_x main_y)), 92185#(or (<= (select main_a main_x) 158) (= main_x main_y)), 92184#(or (<= (select main_a main_x) 157) (= main_x main_y)), 92187#(or (= main_x main_y) (<= (select main_a main_x) 160)), 92186#(or (<= (select main_a main_x) 159) (= main_x main_y)), 92189#(or (= main_x main_y) (<= (select main_a main_x) 162)), 92188#(or (<= (select main_a main_x) 161) (= main_x main_y)), 92191#(or (<= (select main_a main_x) 164) (= main_x main_y)), 92190#(or (<= (select main_a main_x) 163) (= main_x main_y)), 92193#(or (= main_x main_y) (<= (select main_a main_x) 166)), 92192#(or (<= (select main_a main_x) 165) (= main_x main_y)), 92195#(or (<= (select main_a main_x) 168) (= main_x main_y)), 92194#(or (= main_x main_y) (<= (select main_a main_x) 167)), 92197#(or (= main_x main_y) (<= (select main_a main_x) 170)), 92196#(or (= main_x main_y) (<= (select main_a main_x) 169)), 92199#(or (= main_x main_y) (<= (select main_a main_x) 172)), 92198#(or (= main_x main_y) (<= (select main_a main_x) 171)), 92201#(or (= main_x main_y) (<= (select main_a main_x) 174)), 92200#(or (= main_x main_y) (<= (select main_a main_x) 173)), 92203#(or (= main_x main_y) (<= (select main_a main_x) 176)), 92202#(or (<= (select main_a main_x) 175) (= main_x main_y)), 92205#(or (= main_x main_y) (<= (select main_a main_x) 178)), 92204#(or (= main_x main_y) (<= (select main_a main_x) 177)), 92207#(or (<= (select main_a main_x) 180) (= main_x main_y)), 92206#(or (<= (select main_a main_x) 179) (= main_x main_y)), 92209#(or (<= (select main_a main_x) 182) (= main_x main_y)), 92208#(or (<= (select main_a main_x) 181) (= main_x main_y)), 92211#(or (<= (select main_a main_x) 184) (= main_x main_y)), 92210#(or (= main_x main_y) (<= (select main_a main_x) 183)), 92213#(or (= main_x main_y) (<= (select main_a main_x) 186)), 92212#(or (<= (select main_a main_x) 185) (= main_x main_y)), 92214#(or (not (= (select main_a main_x) 1000)) (= main_x main_y)), 92025#true, 92027#(or (= 0 (select main_a main_x)) (= main_x main_y)), 92026#false, 92029#(or (= main_x main_y) (<= (select main_a main_x) 2)), 92028#(or (<= (select main_a main_x) 1) (= main_x main_y)), 92031#(or (<= (select main_a main_x) 4) (= main_x main_y)), 92030#(or (= main_x main_y) (<= (select main_a main_x) 3)), 92033#(or (<= (select main_a main_x) 6) (= main_x main_y)), 92032#(or (<= (select main_a main_x) 5) (= main_x main_y)), 92035#(or (<= (select main_a main_x) 8) (= main_x main_y)), 92034#(or (<= (select main_a main_x) 7) (= main_x main_y)), 92037#(or (= main_x main_y) (<= (select main_a main_x) 10)), 92036#(or (= main_x main_y) (<= (select main_a main_x) 9)), 92039#(or (<= (select main_a main_x) 12) (= main_x main_y)), 92038#(or (= main_x main_y) (<= (select main_a main_x) 11)), 92041#(or (<= (select main_a main_x) 14) (= main_x main_y)), 92040#(or (= main_x main_y) (<= (select main_a main_x) 13)), 92043#(or (<= (select main_a main_x) 16) (= main_x main_y)), 92042#(or (<= (select main_a main_x) 15) (= main_x main_y)), 92045#(or (<= (select main_a main_x) 18) (= main_x main_y)), 92044#(or (= main_x main_y) (<= (select main_a main_x) 17)), 92047#(or (= main_x main_y) (<= (select main_a main_x) 20)), 92046#(or (<= (select main_a main_x) 19) (= main_x main_y)), 92049#(or (= main_x main_y) (<= (select main_a main_x) 22)), 92048#(or (<= (select main_a main_x) 21) (= main_x main_y)), 92051#(or (<= (select main_a main_x) 24) (= main_x main_y)), 92050#(or (= main_x main_y) (<= (select main_a main_x) 23)), 92053#(or (<= (select main_a main_x) 26) (= main_x main_y)), 92052#(or (= main_x main_y) (<= (select main_a main_x) 25)), 92055#(or (<= (select main_a main_x) 28) (= main_x main_y)), 92054#(or (<= (select main_a main_x) 27) (= main_x main_y)), 92057#(or (= main_x main_y) (<= (select main_a main_x) 30)), 92056#(or (<= (select main_a main_x) 29) (= main_x main_y)), 92059#(or (<= (select main_a main_x) 32) (= main_x main_y)), 92058#(or (<= (select main_a main_x) 31) (= main_x main_y)), 92061#(or (<= (select main_a main_x) 34) (= main_x main_y)), 92060#(or (<= (select main_a main_x) 33) (= main_x main_y)), 92063#(or (<= (select main_a main_x) 36) (= main_x main_y)), 92062#(or (<= (select main_a main_x) 35) (= main_x main_y)), 92065#(or (<= (select main_a main_x) 38) (= main_x main_y)), 92064#(or (<= (select main_a main_x) 37) (= main_x main_y)), 92067#(or (<= (select main_a main_x) 40) (= main_x main_y)), 92066#(or (<= (select main_a main_x) 39) (= main_x main_y)), 92069#(or (<= (select main_a main_x) 42) (= main_x main_y)), 92068#(or (<= (select main_a main_x) 41) (= main_x main_y)), 92071#(or (= main_x main_y) (<= (select main_a main_x) 44)), 92070#(or (= main_x main_y) (<= (select main_a main_x) 43)), 92073#(or (<= (select main_a main_x) 46) (= main_x main_y)), 92072#(or (= main_x main_y) (<= (select main_a main_x) 45)), 92075#(or (<= (select main_a main_x) 48) (= main_x main_y)), 92074#(or (<= (select main_a main_x) 47) (= main_x main_y)), 92077#(or (<= (select main_a main_x) 50) (= main_x main_y)), 92076#(or (<= (select main_a main_x) 49) (= main_x main_y)), 92079#(or (= main_x main_y) (<= (select main_a main_x) 52)), 92078#(or (<= (select main_a main_x) 51) (= main_x main_y)), 92081#(or (<= (select main_a main_x) 54) (= main_x main_y)), 92080#(or (<= (select main_a main_x) 53) (= main_x main_y)), 92083#(or (= main_x main_y) (<= (select main_a main_x) 56)), 92082#(or (<= (select main_a main_x) 55) (= main_x main_y)), 92085#(or (<= (select main_a main_x) 58) (= main_x main_y)), 92084#(or (<= (select main_a main_x) 57) (= main_x main_y)), 92087#(or (= main_x main_y) (<= (select main_a main_x) 60)), 92086#(or (= main_x main_y) (<= (select main_a main_x) 59)), 92089#(or (<= (select main_a main_x) 62) (= main_x main_y)), 92088#(or (= main_x main_y) (<= (select main_a main_x) 61)), 92091#(or (= main_x main_y) (<= (select main_a main_x) 64)), 92090#(or (<= (select main_a main_x) 63) (= main_x main_y)), 92093#(or (= main_x main_y) (<= (select main_a main_x) 66)), 92092#(or (<= (select main_a main_x) 65) (= main_x main_y)), 92095#(or (= main_x main_y) (<= (select main_a main_x) 68)), 92094#(or (<= (select main_a main_x) 67) (= main_x main_y)), 92097#(or (<= (select main_a main_x) 70) (= main_x main_y)), 92096#(or (= main_x main_y) (<= (select main_a main_x) 69)), 92099#(or (= main_x main_y) (<= (select main_a main_x) 72)), 92098#(or (<= (select main_a main_x) 71) (= main_x main_y)), 92101#(or (= main_x main_y) (<= (select main_a main_x) 74)), 92100#(or (<= (select main_a main_x) 73) (= main_x main_y)), 92103#(or (<= (select main_a main_x) 76) (= main_x main_y)), 92102#(or (= main_x main_y) (<= (select main_a main_x) 75)), 92105#(or (<= (select main_a main_x) 78) (= main_x main_y)), 92104#(or (<= (select main_a main_x) 77) (= main_x main_y)), 92107#(or (<= (select main_a main_x) 80) (= main_x main_y)), 92106#(or (<= (select main_a main_x) 79) (= main_x main_y)), 92109#(or (<= (select main_a main_x) 82) (= main_x main_y)), 92108#(or (<= (select main_a main_x) 81) (= main_x main_y)), 92111#(or (<= (select main_a main_x) 84) (= main_x main_y)), 92110#(or (= main_x main_y) (<= (select main_a main_x) 83)), 92113#(or (<= (select main_a main_x) 86) (= main_x main_y)), 92112#(or (<= (select main_a main_x) 85) (= main_x main_y)), 92115#(or (<= (select main_a main_x) 88) (= main_x main_y)), 92114#(or (<= (select main_a main_x) 87) (= main_x main_y)), 92117#(or (<= (select main_a main_x) 90) (= main_x main_y)), 92116#(or (<= (select main_a main_x) 89) (= main_x main_y)), 92119#(or (<= (select main_a main_x) 92) (= main_x main_y)), 92118#(or (= main_x main_y) (<= (select main_a main_x) 91)), 92121#(or (= main_x main_y) (<= (select main_a main_x) 94)), 92120#(or (<= (select main_a main_x) 93) (= main_x main_y)), 92123#(or (<= (select main_a main_x) 96) (= main_x main_y)), 92122#(or (<= (select main_a main_x) 95) (= main_x main_y)), 92125#(or (<= (select main_a main_x) 98) (= main_x main_y)), 92124#(or (= main_x main_y) (<= (select main_a main_x) 97)), 92127#(or (<= (select main_a main_x) 100) (= main_x main_y)), 92126#(or (<= (select main_a main_x) 99) (= main_x main_y)), 92129#(or (= main_x main_y) (<= (select main_a main_x) 102)), 92128#(or (<= (select main_a main_x) 101) (= main_x main_y)), 92131#(or (<= (select main_a main_x) 104) (= main_x main_y)), 92130#(or (<= (select main_a main_x) 103) (= main_x main_y)), 92133#(or (= main_x main_y) (<= (select main_a main_x) 106)), 92132#(or (= main_x main_y) (<= (select main_a main_x) 105)), 92135#(or (<= (select main_a main_x) 108) (= main_x main_y)), 92134#(or (<= (select main_a main_x) 107) (= main_x main_y)), 92137#(or (= main_x main_y) (<= (select main_a main_x) 110)), 92136#(or (= main_x main_y) (<= (select main_a main_x) 109)), 92139#(or (<= (select main_a main_x) 112) (= main_x main_y)), 92138#(or (<= (select main_a main_x) 111) (= main_x main_y)), 92141#(or (= main_x main_y) (<= (select main_a main_x) 114)), 92140#(or (<= (select main_a main_x) 113) (= main_x main_y)), 92143#(or (<= (select main_a main_x) 116) (= main_x main_y)), 92142#(or (= main_x main_y) (<= (select main_a main_x) 115)), 92145#(or (= main_x main_y) (<= (select main_a main_x) 118)), 92144#(or (<= (select main_a main_x) 117) (= main_x main_y)), 92147#(or (<= (select main_a main_x) 120) (= main_x main_y)), 92146#(or (= main_x main_y) (<= (select main_a main_x) 119)), 92149#(or (<= (select main_a main_x) 122) (= main_x main_y)), 92148#(or (= main_x main_y) (<= (select main_a main_x) 121)), 92151#(or (= main_x main_y) (<= (select main_a main_x) 124)), 92150#(or (= main_x main_y) (<= (select main_a main_x) 123)), 92153#(or (= main_x main_y) (<= (select main_a main_x) 126)), 92152#(or (<= (select main_a main_x) 125) (= main_x main_y)), 92155#(or (= main_x main_y) (<= (select main_a main_x) 128)), 92154#(or (<= (select main_a main_x) 127) (= main_x main_y)), 92157#(or (= main_x main_y) (<= (select main_a main_x) 130)), 92156#(or (= main_x main_y) (<= (select main_a main_x) 129)), 92159#(or (<= (select main_a main_x) 132) (= main_x main_y)), 92158#(or (<= (select main_a main_x) 131) (= main_x main_y))] [2018-07-23 13:59:14,387 INFO L134 CoverageAnalysis]: Checked inductivity of 17578 backedges. 0 proven. 17578 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-07-23 13:59:14,387 INFO L450 AbstractCegarLoop]: Interpolant automaton has 190 states [2018-07-23 13:59:14,390 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 190 interpolants. [2018-07-23 13:59:14,391 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=17955, Invalid=17955, Unknown=0, NotChecked=0, Total=35910 [2018-07-23 13:59:14,391 INFO L87 Difference]: Start difference. First operand 191 states and 191 transitions. Second operand 190 states. [2018-07-23 13:59:14,824 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-07-23 13:59:14,824 INFO L93 Difference]: Finished difference Result 194 states and 194 transitions. [2018-07-23 13:59:14,824 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 190 states. [2018-07-23 13:59:14,825 INFO L78 Accepts]: Start accepts. Automaton has 190 states. Word has length 190 [2018-07-23 13:59:14,825 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-07-23 13:59:14,825 INFO L225 Difference]: With dead ends: 194 [2018-07-23 13:59:14,825 INFO L226 Difference]: Without dead ends: 192 [2018-07-23 13:59:14,828 INFO L575 BasicCegarLoop]: 0 DeclaredPredicates, 189 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 188 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 1.6s TimeCoverageRelationStatistics Valid=17955, Invalid=17955, Unknown=0, NotChecked=0, Total=35910 [2018-07-23 13:59:14,828 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 192 states. [2018-07-23 13:59:14,837 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 192 to 192. [2018-07-23 13:59:14,837 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 192 states. [2018-07-23 13:59:14,837 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 192 states to 192 states and 192 transitions. [2018-07-23 13:59:14,837 INFO L78 Accepts]: Start accepts. Automaton has 192 states and 192 transitions. Word has length 190 [2018-07-23 13:59:14,837 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-07-23 13:59:14,837 INFO L471 AbstractCegarLoop]: Abstraction has 192 states and 192 transitions. [2018-07-23 13:59:14,838 INFO L472 AbstractCegarLoop]: Interpolant automaton has 190 states. [2018-07-23 13:59:14,838 INFO L276 IsEmpty]: Start isEmpty. Operand 192 states and 192 transitions. [2018-07-23 13:59:14,838 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 192 [2018-07-23 13:59:14,838 INFO L349 BasicCegarLoop]: Found error trace [2018-07-23 13:59:14,838 INFO L357 BasicCegarLoop]: trace histogram [188, 1, 1, 1] [2018-07-23 13:59:14,838 INFO L414 AbstractCegarLoop]: === Iteration 189 === [mainErr0AssertViolationASSERT]=== [2018-07-23 13:59:14,838 INFO L82 PathProgramCache]: Analyzing trace with hash 1269834720, now seen corresponding path program 188 times [2018-07-23 13:59:14,839 INFO L69 tionRefinementEngine]: Using refinement strategy FixedRefinementStrategy [2018-07-23 13:59:15,130 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-07-23 13:59:17,168 INFO L134 CoverageAnalysis]: Checked inductivity of 17766 backedges. 0 proven. 17766 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-07-23 13:59:17,168 INFO L309 seRefinementStrategy]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2018-07-23 13:59:17,168 INFO L324 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [190] total 190 [2018-07-23 13:59:17,168 INFO L142 lantAutomatonBuilder]: Constructing canonical interpolant automaton, with selfloop in false state [2018-07-23 13:59:17,169 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-07-23 13:59:17,169 INFO L185 omatonBuilderFactory]: Interpolants [92987#true, 92989#(or (= 0 (select main_a main_x)) (= main_x main_y)), 92988#false, 92991#(or (= main_x main_y) (<= (select main_a main_x) 2)), 92990#(or (<= (select main_a main_x) 1) (= main_x main_y)), 92993#(or (<= (select main_a main_x) 4) (= main_x main_y)), 92992#(or (= main_x main_y) (<= (select main_a main_x) 3)), 92995#(or (<= (select main_a main_x) 6) (= main_x main_y)), 92994#(or (<= (select main_a main_x) 5) (= main_x main_y)), 92997#(or (<= (select main_a main_x) 8) (= main_x main_y)), 92996#(or (<= (select main_a main_x) 7) (= main_x main_y)), 92999#(or (= main_x main_y) (<= (select main_a main_x) 10)), 92998#(or (= main_x main_y) (<= (select main_a main_x) 9)), 93001#(or (<= (select main_a main_x) 12) (= main_x main_y)), 93000#(or (= main_x main_y) (<= (select main_a main_x) 11)), 93003#(or (<= (select main_a main_x) 14) (= main_x main_y)), 93002#(or (= main_x main_y) (<= (select main_a main_x) 13)), 93005#(or (<= (select main_a main_x) 16) (= main_x main_y)), 93004#(or (<= (select main_a main_x) 15) (= main_x main_y)), 93007#(or (<= (select main_a main_x) 18) (= main_x main_y)), 93006#(or (= main_x main_y) (<= (select main_a main_x) 17)), 93009#(or (= main_x main_y) (<= (select main_a main_x) 20)), 93008#(or (<= (select main_a main_x) 19) (= main_x main_y)), 93011#(or (= main_x main_y) (<= (select main_a main_x) 22)), 93010#(or (<= (select main_a main_x) 21) (= main_x main_y)), 93013#(or (<= (select main_a main_x) 24) (= main_x main_y)), 93012#(or (= main_x main_y) (<= (select main_a main_x) 23)), 93015#(or (<= (select main_a main_x) 26) (= main_x main_y)), 93014#(or (= main_x main_y) (<= (select main_a main_x) 25)), 93017#(or (<= (select main_a main_x) 28) (= main_x main_y)), 93016#(or (<= (select main_a main_x) 27) (= main_x main_y)), 93019#(or (= main_x main_y) (<= (select main_a main_x) 30)), 93018#(or (<= (select main_a main_x) 29) (= main_x main_y)), 93021#(or (<= (select main_a main_x) 32) (= main_x main_y)), 93020#(or (<= (select main_a main_x) 31) (= main_x main_y)), 93023#(or (<= (select main_a main_x) 34) (= main_x main_y)), 93022#(or (<= (select main_a main_x) 33) (= main_x main_y)), 93025#(or (<= (select main_a main_x) 36) (= main_x main_y)), 93024#(or (<= (select main_a main_x) 35) (= main_x main_y)), 93027#(or (<= (select main_a main_x) 38) (= main_x main_y)), 93026#(or (<= (select main_a main_x) 37) (= main_x main_y)), 93029#(or (<= (select main_a main_x) 40) (= main_x main_y)), 93028#(or (<= (select main_a main_x) 39) (= main_x main_y)), 93031#(or (<= (select main_a main_x) 42) (= main_x main_y)), 93030#(or (<= (select main_a main_x) 41) (= main_x main_y)), 93033#(or (= main_x main_y) (<= (select main_a main_x) 44)), 93032#(or (= main_x main_y) (<= (select main_a main_x) 43)), 93035#(or (<= (select main_a main_x) 46) (= main_x main_y)), 93034#(or (= main_x main_y) (<= (select main_a main_x) 45)), 93037#(or (<= (select main_a main_x) 48) (= main_x main_y)), 93036#(or (<= (select main_a main_x) 47) (= main_x main_y)), 93039#(or (<= (select main_a main_x) 50) (= main_x main_y)), 93038#(or (<= (select main_a main_x) 49) (= main_x main_y)), 93041#(or (= main_x main_y) (<= (select main_a main_x) 52)), 93040#(or (<= (select main_a main_x) 51) (= main_x main_y)), 93043#(or (<= (select main_a main_x) 54) (= main_x main_y)), 93042#(or (<= (select main_a main_x) 53) (= main_x main_y)), 93045#(or (= main_x main_y) (<= (select main_a main_x) 56)), 93044#(or (<= (select main_a main_x) 55) (= main_x main_y)), 93047#(or (<= (select main_a main_x) 58) (= main_x main_y)), 93046#(or (<= (select main_a main_x) 57) (= main_x main_y)), 93049#(or (= main_x main_y) (<= (select main_a main_x) 60)), 93048#(or (= main_x main_y) (<= (select main_a main_x) 59)), 93051#(or (<= (select main_a main_x) 62) (= main_x main_y)), 93050#(or (= main_x main_y) (<= (select main_a main_x) 61)), 93053#(or (= main_x main_y) (<= (select main_a main_x) 64)), 93052#(or (<= (select main_a main_x) 63) (= main_x main_y)), 93055#(or (= main_x main_y) (<= (select main_a main_x) 66)), 93054#(or (<= (select main_a main_x) 65) (= main_x main_y)), 93057#(or (= main_x main_y) (<= (select main_a main_x) 68)), 93056#(or (<= (select main_a main_x) 67) (= main_x main_y)), 93059#(or (<= (select main_a main_x) 70) (= main_x main_y)), 93058#(or (= main_x main_y) (<= (select main_a main_x) 69)), 93061#(or (= main_x main_y) (<= (select main_a main_x) 72)), 93060#(or (<= (select main_a main_x) 71) (= main_x main_y)), 93063#(or (= main_x main_y) (<= (select main_a main_x) 74)), 93062#(or (<= (select main_a main_x) 73) (= main_x main_y)), 93065#(or (<= (select main_a main_x) 76) (= main_x main_y)), 93064#(or (= main_x main_y) (<= (select main_a main_x) 75)), 93067#(or (<= (select main_a main_x) 78) (= main_x main_y)), 93066#(or (<= (select main_a main_x) 77) (= main_x main_y)), 93069#(or (<= (select main_a main_x) 80) (= main_x main_y)), 93068#(or (<= (select main_a main_x) 79) (= main_x main_y)), 93071#(or (<= (select main_a main_x) 82) (= main_x main_y)), 93070#(or (<= (select main_a main_x) 81) (= main_x main_y)), 93073#(or (<= (select main_a main_x) 84) (= main_x main_y)), 93072#(or (= main_x main_y) (<= (select main_a main_x) 83)), 93075#(or (<= (select main_a main_x) 86) (= main_x main_y)), 93074#(or (<= (select main_a main_x) 85) (= main_x main_y)), 93077#(or (<= (select main_a main_x) 88) (= main_x main_y)), 93076#(or (<= (select main_a main_x) 87) (= main_x main_y)), 93079#(or (<= (select main_a main_x) 90) (= main_x main_y)), 93078#(or (<= (select main_a main_x) 89) (= main_x main_y)), 93081#(or (<= (select main_a main_x) 92) (= main_x main_y)), 93080#(or (= main_x main_y) (<= (select main_a main_x) 91)), 93083#(or (= main_x main_y) (<= (select main_a main_x) 94)), 93082#(or (<= (select main_a main_x) 93) (= main_x main_y)), 93085#(or (<= (select main_a main_x) 96) (= main_x main_y)), 93084#(or (<= (select main_a main_x) 95) (= main_x main_y)), 93087#(or (<= (select main_a main_x) 98) (= main_x main_y)), 93086#(or (= main_x main_y) (<= (select main_a main_x) 97)), 93089#(or (<= (select main_a main_x) 100) (= main_x main_y)), 93088#(or (<= (select main_a main_x) 99) (= main_x main_y)), 93091#(or (= main_x main_y) (<= (select main_a main_x) 102)), 93090#(or (<= (select main_a main_x) 101) (= main_x main_y)), 93093#(or (<= (select main_a main_x) 104) (= main_x main_y)), 93092#(or (<= (select main_a main_x) 103) (= main_x main_y)), 93095#(or (= main_x main_y) (<= (select main_a main_x) 106)), 93094#(or (= main_x main_y) (<= (select main_a main_x) 105)), 93097#(or (<= (select main_a main_x) 108) (= main_x main_y)), 93096#(or (<= (select main_a main_x) 107) (= main_x main_y)), 93099#(or (= main_x main_y) (<= (select main_a main_x) 110)), 93098#(or (= main_x main_y) (<= (select main_a main_x) 109)), 93101#(or (<= (select main_a main_x) 112) (= main_x main_y)), 93100#(or (<= (select main_a main_x) 111) (= main_x main_y)), 93103#(or (= main_x main_y) (<= (select main_a main_x) 114)), 93102#(or (<= (select main_a main_x) 113) (= main_x main_y)), 93105#(or (<= (select main_a main_x) 116) (= main_x main_y)), 93104#(or (= main_x main_y) (<= (select main_a main_x) 115)), 93107#(or (= main_x main_y) (<= (select main_a main_x) 118)), 93106#(or (<= (select main_a main_x) 117) (= main_x main_y)), 93109#(or (<= (select main_a main_x) 120) (= main_x main_y)), 93108#(or (= main_x main_y) (<= (select main_a main_x) 119)), 93111#(or (<= (select main_a main_x) 122) (= main_x main_y)), 93110#(or (= main_x main_y) (<= (select main_a main_x) 121)), 93113#(or (= main_x main_y) (<= (select main_a main_x) 124)), 93112#(or (= main_x main_y) (<= (select main_a main_x) 123)), 93115#(or (= main_x main_y) (<= (select main_a main_x) 126)), 93114#(or (<= (select main_a main_x) 125) (= main_x main_y)), 93117#(or (= main_x main_y) (<= (select main_a main_x) 128)), 93116#(or (<= (select main_a main_x) 127) (= main_x main_y)), 93119#(or (= main_x main_y) (<= (select main_a main_x) 130)), 93118#(or (= main_x main_y) (<= (select main_a main_x) 129)), 93121#(or (<= (select main_a main_x) 132) (= main_x main_y)), 93120#(or (<= (select main_a main_x) 131) (= main_x main_y)), 93123#(or (= main_x main_y) (<= (select main_a main_x) 134)), 93122#(or (= main_x main_y) (<= (select main_a main_x) 133)), 93125#(or (<= (select main_a main_x) 136) (= main_x main_y)), 93124#(or (= main_x main_y) (<= (select main_a main_x) 135)), 93127#(or (= main_x main_y) (<= (select main_a main_x) 138)), 93126#(or (<= (select main_a main_x) 137) (= main_x main_y)), 93129#(or (<= (select main_a main_x) 140) (= main_x main_y)), 93128#(or (= main_x main_y) (<= (select main_a main_x) 139)), 93131#(or (= main_x main_y) (<= (select main_a main_x) 142)), 93130#(or (<= (select main_a main_x) 141) (= main_x main_y)), 93133#(or (<= (select main_a main_x) 144) (= main_x main_y)), 93132#(or (= main_x main_y) (<= (select main_a main_x) 143)), 93135#(or (<= (select main_a main_x) 146) (= main_x main_y)), 93134#(or (= main_x main_y) (<= (select main_a main_x) 145)), 93137#(or (<= (select main_a main_x) 148) (= main_x main_y)), 93136#(or (= main_x main_y) (<= (select main_a main_x) 147)), 93139#(or (= main_x main_y) (<= (select main_a main_x) 150)), 93138#(or (= main_x main_y) (<= (select main_a main_x) 149)), 93141#(or (<= (select main_a main_x) 152) (= main_x main_y)), 93140#(or (<= (select main_a main_x) 151) (= main_x main_y)), 93143#(or (<= (select main_a main_x) 154) (= main_x main_y)), 93142#(or (<= (select main_a main_x) 153) (= main_x main_y)), 93145#(or (<= (select main_a main_x) 156) (= main_x main_y)), 93144#(or (<= (select main_a main_x) 155) (= main_x main_y)), 93147#(or (<= (select main_a main_x) 158) (= main_x main_y)), 93146#(or (<= (select main_a main_x) 157) (= main_x main_y)), 93149#(or (= main_x main_y) (<= (select main_a main_x) 160)), 93148#(or (<= (select main_a main_x) 159) (= main_x main_y)), 93151#(or (= main_x main_y) (<= (select main_a main_x) 162)), 93150#(or (<= (select main_a main_x) 161) (= main_x main_y)), 93153#(or (<= (select main_a main_x) 164) (= main_x main_y)), 93152#(or (<= (select main_a main_x) 163) (= main_x main_y)), 93155#(or (= main_x main_y) (<= (select main_a main_x) 166)), 93154#(or (<= (select main_a main_x) 165) (= main_x main_y)), 93157#(or (<= (select main_a main_x) 168) (= main_x main_y)), 93156#(or (= main_x main_y) (<= (select main_a main_x) 167)), 93159#(or (= main_x main_y) (<= (select main_a main_x) 170)), 93158#(or (= main_x main_y) (<= (select main_a main_x) 169)), 93161#(or (= main_x main_y) (<= (select main_a main_x) 172)), 93160#(or (= main_x main_y) (<= (select main_a main_x) 171)), 93163#(or (= main_x main_y) (<= (select main_a main_x) 174)), 93162#(or (= main_x main_y) (<= (select main_a main_x) 173)), 93165#(or (= main_x main_y) (<= (select main_a main_x) 176)), 93164#(or (<= (select main_a main_x) 175) (= main_x main_y)), 93167#(or (= main_x main_y) (<= (select main_a main_x) 178)), 93166#(or (= main_x main_y) (<= (select main_a main_x) 177)), 93169#(or (<= (select main_a main_x) 180) (= main_x main_y)), 93168#(or (<= (select main_a main_x) 179) (= main_x main_y)), 93171#(or (<= (select main_a main_x) 182) (= main_x main_y)), 93170#(or (<= (select main_a main_x) 181) (= main_x main_y)), 93173#(or (<= (select main_a main_x) 184) (= main_x main_y)), 93172#(or (= main_x main_y) (<= (select main_a main_x) 183)), 93175#(or (= main_x main_y) (<= (select main_a main_x) 186)), 93174#(or (<= (select main_a main_x) 185) (= main_x main_y)), 93177#(or (not (= (select main_a main_x) 1000)) (= main_x main_y)), 93176#(or (= main_x main_y) (<= (select main_a main_x) 187))] [2018-07-23 13:59:17,170 INFO L134 CoverageAnalysis]: Checked inductivity of 17766 backedges. 0 proven. 17766 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-07-23 13:59:17,170 INFO L450 AbstractCegarLoop]: Interpolant automaton has 191 states [2018-07-23 13:59:17,172 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 191 interpolants. [2018-07-23 13:59:17,174 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=18145, Invalid=18145, Unknown=0, NotChecked=0, Total=36290 [2018-07-23 13:59:17,174 INFO L87 Difference]: Start difference. First operand 192 states and 192 transitions. Second operand 191 states. [2018-07-23 13:59:18,123 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-07-23 13:59:18,123 INFO L93 Difference]: Finished difference Result 195 states and 195 transitions. [2018-07-23 13:59:18,123 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 191 states. [2018-07-23 13:59:18,124 INFO L78 Accepts]: Start accepts. Automaton has 191 states. Word has length 191 [2018-07-23 13:59:18,124 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-07-23 13:59:18,124 INFO L225 Difference]: With dead ends: 195 [2018-07-23 13:59:18,124 INFO L226 Difference]: Without dead ends: 193 [2018-07-23 13:59:18,127 INFO L575 BasicCegarLoop]: 0 DeclaredPredicates, 190 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 189 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 1.8s TimeCoverageRelationStatistics Valid=18145, Invalid=18145, Unknown=0, NotChecked=0, Total=36290 [2018-07-23 13:59:18,128 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 193 states. [2018-07-23 13:59:18,142 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 193 to 193. [2018-07-23 13:59:18,142 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 193 states. [2018-07-23 13:59:18,142 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 193 states to 193 states and 193 transitions. [2018-07-23 13:59:18,142 INFO L78 Accepts]: Start accepts. Automaton has 193 states and 193 transitions. Word has length 191 [2018-07-23 13:59:18,142 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-07-23 13:59:18,143 INFO L471 AbstractCegarLoop]: Abstraction has 193 states and 193 transitions. [2018-07-23 13:59:18,143 INFO L472 AbstractCegarLoop]: Interpolant automaton has 191 states. [2018-07-23 13:59:18,143 INFO L276 IsEmpty]: Start isEmpty. Operand 193 states and 193 transitions. [2018-07-23 13:59:18,143 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 193 [2018-07-23 13:59:18,143 INFO L349 BasicCegarLoop]: Found error trace [2018-07-23 13:59:18,144 INFO L357 BasicCegarLoop]: trace histogram [189, 1, 1, 1] [2018-07-23 13:59:18,144 INFO L414 AbstractCegarLoop]: === Iteration 190 === [mainErr0AssertViolationASSERT]=== [2018-07-23 13:59:18,144 INFO L82 PathProgramCache]: Analyzing trace with hash 710166790, now seen corresponding path program 189 times [2018-07-23 13:59:18,144 INFO L69 tionRefinementEngine]: Using refinement strategy FixedRefinementStrategy [2018-07-23 13:59:18,549 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-07-23 13:59:20,429 INFO L134 CoverageAnalysis]: Checked inductivity of 17955 backedges. 0 proven. 17955 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-07-23 13:59:20,430 INFO L309 seRefinementStrategy]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2018-07-23 13:59:20,430 INFO L324 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [191] total 191 [2018-07-23 13:59:20,430 INFO L142 lantAutomatonBuilder]: Constructing canonical interpolant automaton, with selfloop in false state [2018-07-23 13:59:20,430 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-07-23 13:59:20,431 INFO L185 omatonBuilderFactory]: Interpolants [93955#false, 93954#true, 93957#(or (<= (select main_a main_x) 1) (= main_x main_y)), 93956#(or (= 0 (select main_a main_x)) (= main_x main_y)), 93959#(or (= main_x main_y) (<= (select main_a main_x) 3)), 93958#(or (= main_x main_y) (<= (select main_a main_x) 2)), 93961#(or (<= (select main_a main_x) 5) (= main_x main_y)), 93960#(or (<= (select main_a main_x) 4) (= main_x main_y)), 93963#(or (<= (select main_a main_x) 7) (= main_x main_y)), 93962#(or (<= (select main_a main_x) 6) (= main_x main_y)), 93965#(or (= main_x main_y) (<= (select main_a main_x) 9)), 93964#(or (<= (select main_a main_x) 8) (= main_x main_y)), 93967#(or (= main_x main_y) (<= (select main_a main_x) 11)), 93966#(or (= main_x main_y) (<= (select main_a main_x) 10)), 93969#(or (= main_x main_y) (<= (select main_a main_x) 13)), 93968#(or (<= (select main_a main_x) 12) (= main_x main_y)), 93971#(or (<= (select main_a main_x) 15) (= main_x main_y)), 93970#(or (<= (select main_a main_x) 14) (= main_x main_y)), 93973#(or (= main_x main_y) (<= (select main_a main_x) 17)), 93972#(or (<= (select main_a main_x) 16) (= main_x main_y)), 93975#(or (<= (select main_a main_x) 19) (= main_x main_y)), 93974#(or (<= (select main_a main_x) 18) (= main_x main_y)), 93977#(or (<= (select main_a main_x) 21) (= main_x main_y)), 93976#(or (= main_x main_y) (<= (select main_a main_x) 20)), 93979#(or (= main_x main_y) (<= (select main_a main_x) 23)), 93978#(or (= main_x main_y) (<= (select main_a main_x) 22)), 93981#(or (= main_x main_y) (<= (select main_a main_x) 25)), 93980#(or (<= (select main_a main_x) 24) (= main_x main_y)), 93983#(or (<= (select main_a main_x) 27) (= main_x main_y)), 93982#(or (<= (select main_a main_x) 26) (= main_x main_y)), 93985#(or (<= (select main_a main_x) 29) (= main_x main_y)), 93984#(or (<= (select main_a main_x) 28) (= main_x main_y)), 93987#(or (<= (select main_a main_x) 31) (= main_x main_y)), 93986#(or (= main_x main_y) (<= (select main_a main_x) 30)), 93989#(or (<= (select main_a main_x) 33) (= main_x main_y)), 93988#(or (<= (select main_a main_x) 32) (= main_x main_y)), 93991#(or (<= (select main_a main_x) 35) (= main_x main_y)), 93990#(or (<= (select main_a main_x) 34) (= main_x main_y)), 93993#(or (<= (select main_a main_x) 37) (= main_x main_y)), 93992#(or (<= (select main_a main_x) 36) (= main_x main_y)), 93995#(or (<= (select main_a main_x) 39) (= main_x main_y)), 93994#(or (<= (select main_a main_x) 38) (= main_x main_y)), 93997#(or (<= (select main_a main_x) 41) (= main_x main_y)), 93996#(or (<= (select main_a main_x) 40) (= main_x main_y)), 93999#(or (= main_x main_y) (<= (select main_a main_x) 43)), 93998#(or (<= (select main_a main_x) 42) (= main_x main_y)), 94001#(or (= main_x main_y) (<= (select main_a main_x) 45)), 94000#(or (= main_x main_y) (<= (select main_a main_x) 44)), 94003#(or (<= (select main_a main_x) 47) (= main_x main_y)), 94002#(or (<= (select main_a main_x) 46) (= main_x main_y)), 94005#(or (<= (select main_a main_x) 49) (= main_x main_y)), 94004#(or (<= (select main_a main_x) 48) (= main_x main_y)), 94007#(or (<= (select main_a main_x) 51) (= main_x main_y)), 94006#(or (<= (select main_a main_x) 50) (= main_x main_y)), 94009#(or (<= (select main_a main_x) 53) (= main_x main_y)), 94008#(or (= main_x main_y) (<= (select main_a main_x) 52)), 94011#(or (<= (select main_a main_x) 55) (= main_x main_y)), 94010#(or (<= (select main_a main_x) 54) (= main_x main_y)), 94013#(or (<= (select main_a main_x) 57) (= main_x main_y)), 94012#(or (= main_x main_y) (<= (select main_a main_x) 56)), 94015#(or (= main_x main_y) (<= (select main_a main_x) 59)), 94014#(or (<= (select main_a main_x) 58) (= main_x main_y)), 94017#(or (= main_x main_y) (<= (select main_a main_x) 61)), 94016#(or (= main_x main_y) (<= (select main_a main_x) 60)), 94019#(or (<= (select main_a main_x) 63) (= main_x main_y)), 94018#(or (<= (select main_a main_x) 62) (= main_x main_y)), 94021#(or (<= (select main_a main_x) 65) (= main_x main_y)), 94020#(or (= main_x main_y) (<= (select main_a main_x) 64)), 94023#(or (<= (select main_a main_x) 67) (= main_x main_y)), 94022#(or (= main_x main_y) (<= (select main_a main_x) 66)), 94025#(or (= main_x main_y) (<= (select main_a main_x) 69)), 94024#(or (= main_x main_y) (<= (select main_a main_x) 68)), 94027#(or (<= (select main_a main_x) 71) (= main_x main_y)), 94026#(or (<= (select main_a main_x) 70) (= main_x main_y)), 94029#(or (<= (select main_a main_x) 73) (= main_x main_y)), 94028#(or (= main_x main_y) (<= (select main_a main_x) 72)), 94031#(or (= main_x main_y) (<= (select main_a main_x) 75)), 94030#(or (= main_x main_y) (<= (select main_a main_x) 74)), 94033#(or (<= (select main_a main_x) 77) (= main_x main_y)), 94032#(or (<= (select main_a main_x) 76) (= main_x main_y)), 94035#(or (<= (select main_a main_x) 79) (= main_x main_y)), 94034#(or (<= (select main_a main_x) 78) (= main_x main_y)), 94037#(or (<= (select main_a main_x) 81) (= main_x main_y)), 94036#(or (<= (select main_a main_x) 80) (= main_x main_y)), 94039#(or (= main_x main_y) (<= (select main_a main_x) 83)), 94038#(or (<= (select main_a main_x) 82) (= main_x main_y)), 94041#(or (<= (select main_a main_x) 85) (= main_x main_y)), 94040#(or (<= (select main_a main_x) 84) (= main_x main_y)), 94043#(or (<= (select main_a main_x) 87) (= main_x main_y)), 94042#(or (<= (select main_a main_x) 86) (= main_x main_y)), 94045#(or (<= (select main_a main_x) 89) (= main_x main_y)), 94044#(or (<= (select main_a main_x) 88) (= main_x main_y)), 94047#(or (= main_x main_y) (<= (select main_a main_x) 91)), 94046#(or (<= (select main_a main_x) 90) (= main_x main_y)), 94049#(or (<= (select main_a main_x) 93) (= main_x main_y)), 94048#(or (<= (select main_a main_x) 92) (= main_x main_y)), 94051#(or (<= (select main_a main_x) 95) (= main_x main_y)), 94050#(or (= main_x main_y) (<= (select main_a main_x) 94)), 94053#(or (= main_x main_y) (<= (select main_a main_x) 97)), 94052#(or (<= (select main_a main_x) 96) (= main_x main_y)), 94055#(or (<= (select main_a main_x) 99) (= main_x main_y)), 94054#(or (<= (select main_a main_x) 98) (= main_x main_y)), 94057#(or (<= (select main_a main_x) 101) (= main_x main_y)), 94056#(or (<= (select main_a main_x) 100) (= main_x main_y)), 94059#(or (<= (select main_a main_x) 103) (= main_x main_y)), 94058#(or (= main_x main_y) (<= (select main_a main_x) 102)), 94061#(or (= main_x main_y) (<= (select main_a main_x) 105)), 94060#(or (<= (select main_a main_x) 104) (= main_x main_y)), 94063#(or (<= (select main_a main_x) 107) (= main_x main_y)), 94062#(or (= main_x main_y) (<= (select main_a main_x) 106)), 94065#(or (= main_x main_y) (<= (select main_a main_x) 109)), 94064#(or (<= (select main_a main_x) 108) (= main_x main_y)), 94067#(or (<= (select main_a main_x) 111) (= main_x main_y)), 94066#(or (= main_x main_y) (<= (select main_a main_x) 110)), 94069#(or (<= (select main_a main_x) 113) (= main_x main_y)), 94068#(or (<= (select main_a main_x) 112) (= main_x main_y)), 94071#(or (= main_x main_y) (<= (select main_a main_x) 115)), 94070#(or (= main_x main_y) (<= (select main_a main_x) 114)), 94073#(or (<= (select main_a main_x) 117) (= main_x main_y)), 94072#(or (<= (select main_a main_x) 116) (= main_x main_y)), 94075#(or (= main_x main_y) (<= (select main_a main_x) 119)), 94074#(or (= main_x main_y) (<= (select main_a main_x) 118)), 94077#(or (= main_x main_y) (<= (select main_a main_x) 121)), 94076#(or (<= (select main_a main_x) 120) (= main_x main_y)), 94079#(or (= main_x main_y) (<= (select main_a main_x) 123)), 94078#(or (<= (select main_a main_x) 122) (= main_x main_y)), 94081#(or (<= (select main_a main_x) 125) (= main_x main_y)), 94080#(or (= main_x main_y) (<= (select main_a main_x) 124)), 94083#(or (<= (select main_a main_x) 127) (= main_x main_y)), 94082#(or (= main_x main_y) (<= (select main_a main_x) 126)), 94085#(or (= main_x main_y) (<= (select main_a main_x) 129)), 94084#(or (= main_x main_y) (<= (select main_a main_x) 128)), 94087#(or (<= (select main_a main_x) 131) (= main_x main_y)), 94086#(or (= main_x main_y) (<= (select main_a main_x) 130)), 94089#(or (= main_x main_y) (<= (select main_a main_x) 133)), 94088#(or (<= (select main_a main_x) 132) (= main_x main_y)), 94091#(or (= main_x main_y) (<= (select main_a main_x) 135)), 94090#(or (= main_x main_y) (<= (select main_a main_x) 134)), 94093#(or (<= (select main_a main_x) 137) (= main_x main_y)), 94092#(or (<= (select main_a main_x) 136) (= main_x main_y)), 94095#(or (= main_x main_y) (<= (select main_a main_x) 139)), 94094#(or (= main_x main_y) (<= (select main_a main_x) 138)), 94097#(or (<= (select main_a main_x) 141) (= main_x main_y)), 94096#(or (<= (select main_a main_x) 140) (= main_x main_y)), 94099#(or (= main_x main_y) (<= (select main_a main_x) 143)), 94098#(or (= main_x main_y) (<= (select main_a main_x) 142)), 94101#(or (= main_x main_y) (<= (select main_a main_x) 145)), 94100#(or (<= (select main_a main_x) 144) (= main_x main_y)), 94103#(or (= main_x main_y) (<= (select main_a main_x) 147)), 94102#(or (<= (select main_a main_x) 146) (= main_x main_y)), 94105#(or (= main_x main_y) (<= (select main_a main_x) 149)), 94104#(or (<= (select main_a main_x) 148) (= main_x main_y)), 94107#(or (<= (select main_a main_x) 151) (= main_x main_y)), 94106#(or (= main_x main_y) (<= (select main_a main_x) 150)), 94109#(or (<= (select main_a main_x) 153) (= main_x main_y)), 94108#(or (<= (select main_a main_x) 152) (= main_x main_y)), 94111#(or (<= (select main_a main_x) 155) (= main_x main_y)), 94110#(or (<= (select main_a main_x) 154) (= main_x main_y)), 94113#(or (<= (select main_a main_x) 157) (= main_x main_y)), 94112#(or (<= (select main_a main_x) 156) (= main_x main_y)), 94115#(or (<= (select main_a main_x) 159) (= main_x main_y)), 94114#(or (<= (select main_a main_x) 158) (= main_x main_y)), 94117#(or (<= (select main_a main_x) 161) (= main_x main_y)), 94116#(or (= main_x main_y) (<= (select main_a main_x) 160)), 94119#(or (<= (select main_a main_x) 163) (= main_x main_y)), 94118#(or (= main_x main_y) (<= (select main_a main_x) 162)), 94121#(or (<= (select main_a main_x) 165) (= main_x main_y)), 94120#(or (<= (select main_a main_x) 164) (= main_x main_y)), 94123#(or (= main_x main_y) (<= (select main_a main_x) 167)), 94122#(or (= main_x main_y) (<= (select main_a main_x) 166)), 94125#(or (= main_x main_y) (<= (select main_a main_x) 169)), 94124#(or (<= (select main_a main_x) 168) (= main_x main_y)), 94127#(or (= main_x main_y) (<= (select main_a main_x) 171)), 94126#(or (= main_x main_y) (<= (select main_a main_x) 170)), 94129#(or (= main_x main_y) (<= (select main_a main_x) 173)), 94128#(or (= main_x main_y) (<= (select main_a main_x) 172)), 94131#(or (<= (select main_a main_x) 175) (= main_x main_y)), 94130#(or (= main_x main_y) (<= (select main_a main_x) 174)), 94133#(or (= main_x main_y) (<= (select main_a main_x) 177)), 94132#(or (= main_x main_y) (<= (select main_a main_x) 176)), 94135#(or (<= (select main_a main_x) 179) (= main_x main_y)), 94134#(or (= main_x main_y) (<= (select main_a main_x) 178)), 94137#(or (<= (select main_a main_x) 181) (= main_x main_y)), 94136#(or (<= (select main_a main_x) 180) (= main_x main_y)), 94139#(or (= main_x main_y) (<= (select main_a main_x) 183)), 94138#(or (<= (select main_a main_x) 182) (= main_x main_y)), 94141#(or (<= (select main_a main_x) 185) (= main_x main_y)), 94140#(or (<= (select main_a main_x) 184) (= main_x main_y)), 94143#(or (= main_x main_y) (<= (select main_a main_x) 187)), 94142#(or (= main_x main_y) (<= (select main_a main_x) 186)), 94145#(or (not (= (select main_a main_x) 1000)) (= main_x main_y)), 94144#(or (= main_x main_y) (<= (select main_a main_x) 188))] [2018-07-23 13:59:20,431 INFO L134 CoverageAnalysis]: Checked inductivity of 17955 backedges. 0 proven. 17955 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-07-23 13:59:20,432 INFO L450 AbstractCegarLoop]: Interpolant automaton has 192 states [2018-07-23 13:59:20,433 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 192 interpolants. [2018-07-23 13:59:20,434 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=18336, Invalid=18336, Unknown=0, NotChecked=0, Total=36672 [2018-07-23 13:59:20,435 INFO L87 Difference]: Start difference. First operand 193 states and 193 transitions. Second operand 192 states. [2018-07-23 13:59:21,599 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-07-23 13:59:21,600 INFO L93 Difference]: Finished difference Result 196 states and 196 transitions. [2018-07-23 13:59:21,600 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 192 states. [2018-07-23 13:59:21,600 INFO L78 Accepts]: Start accepts. Automaton has 192 states. Word has length 192 [2018-07-23 13:59:21,600 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-07-23 13:59:21,600 INFO L225 Difference]: With dead ends: 196 [2018-07-23 13:59:21,600 INFO L226 Difference]: Without dead ends: 194 [2018-07-23 13:59:21,602 INFO L575 BasicCegarLoop]: 0 DeclaredPredicates, 191 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 190 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 1.6s TimeCoverageRelationStatistics Valid=18336, Invalid=18336, Unknown=0, NotChecked=0, Total=36672 [2018-07-23 13:59:21,602 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 194 states. [2018-07-23 13:59:21,613 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 194 to 194. [2018-07-23 13:59:21,613 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 194 states. [2018-07-23 13:59:21,614 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 194 states to 194 states and 194 transitions. [2018-07-23 13:59:21,614 INFO L78 Accepts]: Start accepts. Automaton has 194 states and 194 transitions. Word has length 192 [2018-07-23 13:59:21,614 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-07-23 13:59:21,614 INFO L471 AbstractCegarLoop]: Abstraction has 194 states and 194 transitions. [2018-07-23 13:59:21,614 INFO L472 AbstractCegarLoop]: Interpolant automaton has 192 states. [2018-07-23 13:59:21,614 INFO L276 IsEmpty]: Start isEmpty. Operand 194 states and 194 transitions. [2018-07-23 13:59:21,614 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 194 [2018-07-23 13:59:21,614 INFO L349 BasicCegarLoop]: Found error trace [2018-07-23 13:59:21,615 INFO L357 BasicCegarLoop]: trace histogram [190, 1, 1, 1] [2018-07-23 13:59:21,615 INFO L414 AbstractCegarLoop]: === Iteration 191 === [mainErr0AssertViolationASSERT]=== [2018-07-23 13:59:21,615 INFO L82 PathProgramCache]: Analyzing trace with hash 540330144, now seen corresponding path program 190 times [2018-07-23 13:59:21,615 INFO L69 tionRefinementEngine]: Using refinement strategy FixedRefinementStrategy [2018-07-23 13:59:21,913 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-07-23 13:59:23,963 INFO L134 CoverageAnalysis]: Checked inductivity of 18145 backedges. 0 proven. 18145 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-07-23 13:59:23,963 INFO L309 seRefinementStrategy]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2018-07-23 13:59:23,963 INFO L324 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [192] total 192 [2018-07-23 13:59:23,963 INFO L142 lantAutomatonBuilder]: Constructing canonical interpolant automaton, with selfloop in false state [2018-07-23 13:59:23,963 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-07-23 13:59:23,964 INFO L185 omatonBuilderFactory]: Interpolants [94927#false, 94926#true, 94929#(or (<= (select main_a main_x) 1) (= main_x main_y)), 94928#(or (= 0 (select main_a main_x)) (= main_x main_y)), 94931#(or (= main_x main_y) (<= (select main_a main_x) 3)), 94930#(or (= main_x main_y) (<= (select main_a main_x) 2)), 94933#(or (<= (select main_a main_x) 5) (= main_x main_y)), 94932#(or (<= (select main_a main_x) 4) (= main_x main_y)), 94935#(or (<= (select main_a main_x) 7) (= main_x main_y)), 94934#(or (<= (select main_a main_x) 6) (= main_x main_y)), 94937#(or (= main_x main_y) (<= (select main_a main_x) 9)), 94936#(or (<= (select main_a main_x) 8) (= main_x main_y)), 94939#(or (= main_x main_y) (<= (select main_a main_x) 11)), 94938#(or (= main_x main_y) (<= (select main_a main_x) 10)), 94941#(or (= main_x main_y) (<= (select main_a main_x) 13)), 94940#(or (<= (select main_a main_x) 12) (= main_x main_y)), 94943#(or (<= (select main_a main_x) 15) (= main_x main_y)), 94942#(or (<= (select main_a main_x) 14) (= main_x main_y)), 94945#(or (= main_x main_y) (<= (select main_a main_x) 17)), 94944#(or (<= (select main_a main_x) 16) (= main_x main_y)), 94947#(or (<= (select main_a main_x) 19) (= main_x main_y)), 94946#(or (<= (select main_a main_x) 18) (= main_x main_y)), 94949#(or (<= (select main_a main_x) 21) (= main_x main_y)), 94948#(or (= main_x main_y) (<= (select main_a main_x) 20)), 94951#(or (= main_x main_y) (<= (select main_a main_x) 23)), 94950#(or (= main_x main_y) (<= (select main_a main_x) 22)), 94953#(or (= main_x main_y) (<= (select main_a main_x) 25)), 94952#(or (<= (select main_a main_x) 24) (= main_x main_y)), 94955#(or (<= (select main_a main_x) 27) (= main_x main_y)), 94954#(or (<= (select main_a main_x) 26) (= main_x main_y)), 94957#(or (<= (select main_a main_x) 29) (= main_x main_y)), 94956#(or (<= (select main_a main_x) 28) (= main_x main_y)), 94959#(or (<= (select main_a main_x) 31) (= main_x main_y)), 94958#(or (= main_x main_y) (<= (select main_a main_x) 30)), 94961#(or (<= (select main_a main_x) 33) (= main_x main_y)), 94960#(or (<= (select main_a main_x) 32) (= main_x main_y)), 94963#(or (<= (select main_a main_x) 35) (= main_x main_y)), 94962#(or (<= (select main_a main_x) 34) (= main_x main_y)), 94965#(or (<= (select main_a main_x) 37) (= main_x main_y)), 94964#(or (<= (select main_a main_x) 36) (= main_x main_y)), 94967#(or (<= (select main_a main_x) 39) (= main_x main_y)), 94966#(or (<= (select main_a main_x) 38) (= main_x main_y)), 94969#(or (<= (select main_a main_x) 41) (= main_x main_y)), 94968#(or (<= (select main_a main_x) 40) (= main_x main_y)), 94971#(or (= main_x main_y) (<= (select main_a main_x) 43)), 94970#(or (<= (select main_a main_x) 42) (= main_x main_y)), 94973#(or (= main_x main_y) (<= (select main_a main_x) 45)), 94972#(or (= main_x main_y) (<= (select main_a main_x) 44)), 94975#(or (<= (select main_a main_x) 47) (= main_x main_y)), 94974#(or (<= (select main_a main_x) 46) (= main_x main_y)), 94977#(or (<= (select main_a main_x) 49) (= main_x main_y)), 94976#(or (<= (select main_a main_x) 48) (= main_x main_y)), 94979#(or (<= (select main_a main_x) 51) (= main_x main_y)), 94978#(or (<= (select main_a main_x) 50) (= main_x main_y)), 94981#(or (<= (select main_a main_x) 53) (= main_x main_y)), 94980#(or (= main_x main_y) (<= (select main_a main_x) 52)), 94983#(or (<= (select main_a main_x) 55) (= main_x main_y)), 94982#(or (<= (select main_a main_x) 54) (= main_x main_y)), 94985#(or (<= (select main_a main_x) 57) (= main_x main_y)), 94984#(or (= main_x main_y) (<= (select main_a main_x) 56)), 94987#(or (= main_x main_y) (<= (select main_a main_x) 59)), 94986#(or (<= (select main_a main_x) 58) (= main_x main_y)), 94989#(or (= main_x main_y) (<= (select main_a main_x) 61)), 94988#(or (= main_x main_y) (<= (select main_a main_x) 60)), 94991#(or (<= (select main_a main_x) 63) (= main_x main_y)), 94990#(or (<= (select main_a main_x) 62) (= main_x main_y)), 94993#(or (<= (select main_a main_x) 65) (= main_x main_y)), 94992#(or (= main_x main_y) (<= (select main_a main_x) 64)), 94995#(or (<= (select main_a main_x) 67) (= main_x main_y)), 94994#(or (= main_x main_y) (<= (select main_a main_x) 66)), 94997#(or (= main_x main_y) (<= (select main_a main_x) 69)), 94996#(or (= main_x main_y) (<= (select main_a main_x) 68)), 94999#(or (<= (select main_a main_x) 71) (= main_x main_y)), 94998#(or (<= (select main_a main_x) 70) (= main_x main_y)), 95001#(or (<= (select main_a main_x) 73) (= main_x main_y)), 95000#(or (= main_x main_y) (<= (select main_a main_x) 72)), 95003#(or (= main_x main_y) (<= (select main_a main_x) 75)), 95002#(or (= main_x main_y) (<= (select main_a main_x) 74)), 95005#(or (<= (select main_a main_x) 77) (= main_x main_y)), 95004#(or (<= (select main_a main_x) 76) (= main_x main_y)), 95007#(or (<= (select main_a main_x) 79) (= main_x main_y)), 95006#(or (<= (select main_a main_x) 78) (= main_x main_y)), 95009#(or (<= (select 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main_x) 97)), 95024#(or (<= (select main_a main_x) 96) (= main_x main_y)), 95027#(or (<= (select main_a main_x) 99) (= main_x main_y)), 95026#(or (<= (select main_a main_x) 98) (= main_x main_y)), 95029#(or (<= (select main_a main_x) 101) (= main_x main_y)), 95028#(or (<= (select main_a main_x) 100) (= main_x main_y)), 95031#(or (<= (select main_a main_x) 103) (= main_x main_y)), 95030#(or (= main_x main_y) (<= (select main_a main_x) 102)), 95033#(or (= main_x main_y) (<= (select main_a main_x) 105)), 95032#(or (<= (select main_a main_x) 104) (= main_x main_y)), 95035#(or (<= (select main_a main_x) 107) (= main_x main_y)), 95034#(or (= main_x main_y) (<= (select main_a main_x) 106)), 95037#(or (= main_x main_y) (<= (select main_a main_x) 109)), 95036#(or (<= (select main_a main_x) 108) (= main_x main_y)), 95039#(or (<= (select main_a main_x) 111) (= main_x main_y)), 95038#(or (= main_x main_y) (<= (select main_a main_x) 110)), 95041#(or (<= (select main_a main_x) 113) (= main_x 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129)), 95056#(or (= main_x main_y) (<= (select main_a main_x) 128)), 95059#(or (<= (select main_a main_x) 131) (= main_x main_y)), 95058#(or (= main_x main_y) (<= (select main_a main_x) 130)), 95061#(or (= main_x main_y) (<= (select main_a main_x) 133)), 95060#(or (<= (select main_a main_x) 132) (= main_x main_y)), 95063#(or (= main_x main_y) (<= (select main_a main_x) 135)), 95062#(or (= main_x main_y) (<= (select main_a main_x) 134)), 95065#(or (<= (select main_a main_x) 137) (= main_x main_y)), 95064#(or (<= (select main_a main_x) 136) (= main_x main_y)), 95067#(or (= main_x main_y) (<= (select main_a main_x) 139)), 95066#(or (= main_x main_y) (<= (select main_a main_x) 138)), 95069#(or (<= (select main_a main_x) 141) (= main_x main_y)), 95068#(or (<= (select main_a main_x) 140) (= main_x main_y)), 95071#(or (= main_x main_y) (<= (select main_a main_x) 143)), 95070#(or (= main_x main_y) (<= (select main_a main_x) 142)), 95073#(or (= main_x main_y) (<= (select main_a main_x) 145)), 95072#(or (<= (select main_a main_x) 144) (= main_x main_y)), 95075#(or (= main_x main_y) (<= (select main_a main_x) 147)), 95074#(or (<= (select main_a main_x) 146) (= main_x main_y)), 95077#(or (= main_x main_y) (<= (select main_a main_x) 149)), 95076#(or (<= (select main_a main_x) 148) (= main_x main_y)), 95079#(or (<= (select main_a main_x) 151) (= main_x main_y)), 95078#(or (= main_x main_y) (<= (select main_a main_x) 150)), 95081#(or (<= (select main_a main_x) 153) (= main_x main_y)), 95080#(or (<= (select main_a main_x) 152) (= main_x main_y)), 95083#(or (<= (select main_a main_x) 155) (= main_x main_y)), 95082#(or (<= (select main_a main_x) 154) (= main_x main_y)), 95085#(or (<= (select main_a main_x) 157) (= main_x main_y)), 95084#(or (<= (select main_a main_x) 156) (= main_x main_y)), 95087#(or (<= (select main_a main_x) 159) (= main_x main_y)), 95086#(or (<= (select main_a main_x) 158) (= main_x main_y)), 95089#(or (<= (select main_a main_x) 161) (= main_x main_y)), 95088#(or (= main_x main_y) (<= (select main_a main_x) 160)), 95091#(or (<= (select main_a main_x) 163) (= main_x main_y)), 95090#(or (= main_x main_y) (<= (select main_a main_x) 162)), 95093#(or (<= (select main_a main_x) 165) (= main_x main_y)), 95092#(or (<= (select main_a main_x) 164) (= main_x main_y)), 95095#(or (= main_x main_y) (<= (select main_a main_x) 167)), 95094#(or (= main_x main_y) (<= (select main_a main_x) 166)), 95097#(or (= main_x main_y) (<= (select main_a main_x) 169)), 95096#(or (<= (select main_a main_x) 168) (= main_x main_y)), 95099#(or (= main_x main_y) (<= (select main_a main_x) 171)), 95098#(or (= main_x main_y) (<= (select main_a main_x) 170)), 95101#(or (= main_x main_y) (<= (select main_a main_x) 173)), 95100#(or (= main_x main_y) (<= (select main_a main_x) 172)), 95103#(or (<= (select main_a main_x) 175) (= main_x main_y)), 95102#(or (= main_x main_y) (<= (select main_a main_x) 174)), 95105#(or (= main_x main_y) (<= (select main_a main_x) 177)), 95104#(or (= main_x main_y) (<= (select main_a main_x) 176)), 95107#(or (<= (select main_a main_x) 179) (= main_x main_y)), 95106#(or (= main_x main_y) (<= (select main_a main_x) 178)), 95109#(or (<= (select main_a main_x) 181) (= main_x main_y)), 95108#(or (<= (select main_a main_x) 180) (= main_x main_y)), 95111#(or (= main_x main_y) (<= (select main_a main_x) 183)), 95110#(or (<= (select main_a main_x) 182) (= main_x main_y)), 95113#(or (<= (select main_a main_x) 185) (= main_x main_y)), 95112#(or (<= (select main_a main_x) 184) (= main_x main_y)), 95115#(or (= main_x main_y) (<= (select main_a main_x) 187)), 95114#(or (= main_x main_y) (<= (select main_a main_x) 186)), 95117#(or (<= (select main_a main_x) 189) (= main_x main_y)), 95116#(or (= main_x main_y) (<= (select main_a main_x) 188)), 95118#(or (not (= (select main_a main_x) 1000)) (= main_x main_y))] [2018-07-23 13:59:23,965 INFO L134 CoverageAnalysis]: Checked inductivity of 18145 backedges. 0 proven. 18145 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-07-23 13:59:23,965 INFO L450 AbstractCegarLoop]: Interpolant automaton has 193 states [2018-07-23 13:59:23,967 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 193 interpolants. [2018-07-23 13:59:23,969 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=18528, Invalid=18528, Unknown=0, NotChecked=0, Total=37056 [2018-07-23 13:59:23,969 INFO L87 Difference]: Start difference. First operand 194 states and 194 transitions. Second operand 193 states. [2018-07-23 13:59:24,779 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-07-23 13:59:24,780 INFO L93 Difference]: Finished difference Result 197 states and 197 transitions. [2018-07-23 13:59:24,780 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 193 states. [2018-07-23 13:59:24,780 INFO L78 Accepts]: Start accepts. Automaton has 193 states. Word has length 193 [2018-07-23 13:59:24,780 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-07-23 13:59:24,780 INFO L225 Difference]: With dead ends: 197 [2018-07-23 13:59:24,780 INFO L226 Difference]: Without dead ends: 195 [2018-07-23 13:59:24,783 INFO L575 BasicCegarLoop]: 0 DeclaredPredicates, 192 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 191 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 1.8s TimeCoverageRelationStatistics Valid=18528, Invalid=18528, Unknown=0, NotChecked=0, Total=37056 [2018-07-23 13:59:24,783 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 195 states. [2018-07-23 13:59:24,792 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 195 to 195. [2018-07-23 13:59:24,792 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 195 states. [2018-07-23 13:59:24,793 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 195 states to 195 states and 195 transitions. [2018-07-23 13:59:24,793 INFO L78 Accepts]: Start accepts. Automaton has 195 states and 195 transitions. Word has length 193 [2018-07-23 13:59:24,793 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-07-23 13:59:24,793 INFO L471 AbstractCegarLoop]: Abstraction has 195 states and 195 transitions. [2018-07-23 13:59:24,793 INFO L472 AbstractCegarLoop]: Interpolant automaton has 193 states. [2018-07-23 13:59:24,793 INFO L276 IsEmpty]: Start isEmpty. Operand 195 states and 195 transitions. [2018-07-23 13:59:24,793 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 195 [2018-07-23 13:59:24,793 INFO L349 BasicCegarLoop]: Found error trace [2018-07-23 13:59:24,794 INFO L357 BasicCegarLoop]: trace histogram [191, 1, 1, 1] [2018-07-23 13:59:24,794 INFO L414 AbstractCegarLoop]: === Iteration 192 === [mainErr0AssertViolationASSERT]=== [2018-07-23 13:59:24,794 INFO L82 PathProgramCache]: Analyzing trace with hash -429638586, now seen corresponding path program 191 times [2018-07-23 13:59:24,794 INFO L69 tionRefinementEngine]: Using refinement strategy FixedRefinementStrategy [2018-07-23 13:59:25,129 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-07-23 13:59:27,189 INFO L134 CoverageAnalysis]: Checked inductivity of 18336 backedges. 0 proven. 18336 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-07-23 13:59:27,190 INFO L309 seRefinementStrategy]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2018-07-23 13:59:27,190 INFO L324 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [193] total 193 [2018-07-23 13:59:27,190 INFO L142 lantAutomatonBuilder]: Constructing canonical interpolant automaton, with selfloop in false state [2018-07-23 13:59:27,190 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 13:59:27,191 INFO L185 omatonBuilderFactory]: Interpolants [95903#true, 95905#(or (= 0 (select main_a main_x)) (= main_x main_y)), 95904#false, 95907#(or (= main_x main_y) (<= (select main_a main_x) 2)), 95906#(or (<= (select main_a main_x) 1) (= main_x main_y)), 95909#(or (<= (select main_a main_x) 4) (= main_x main_y)), 95908#(or (= main_x main_y) (<= (select main_a main_x) 3)), 95911#(or (<= (select main_a main_x) 6) (= main_x main_y)), 95910#(or (<= (select main_a main_x) 5) (= main_x main_y)), 95913#(or (<= (select main_a main_x) 8) (= main_x main_y)), 95912#(or (<= (select main_a main_x) 7) (= main_x main_y)), 95915#(or (= main_x main_y) (<= (select main_a main_x) 10)), 95914#(or (= main_x main_y) (<= (select main_a main_x) 9)), 95917#(or (<= (select main_a main_x) 12) (= main_x main_y)), 95916#(or (= main_x main_y) (<= (select main_a main_x) 11)), 95919#(or (<= (select main_a main_x) 14) (= main_x main_y)), 95918#(or (= main_x main_y) (<= (select main_a main_x) 13)), 95921#(or (<= (select main_a main_x) 16) (= main_x main_y)), 95920#(or (<= (select main_a main_x) 15) (= main_x main_y)), 95923#(or (<= (select main_a main_x) 18) (= main_x main_y)), 95922#(or (= main_x main_y) (<= (select main_a main_x) 17)), 95925#(or (= main_x main_y) (<= (select main_a main_x) 20)), 95924#(or (<= (select main_a main_x) 19) (= main_x main_y)), 95927#(or (= main_x main_y) (<= (select main_a main_x) 22)), 95926#(or (<= (select main_a main_x) 21) (= main_x main_y)), 95929#(or (<= (select main_a main_x) 24) (= main_x main_y)), 95928#(or (= main_x main_y) (<= (select main_a main_x) 23)), 95931#(or (<= (select main_a main_x) 26) (= main_x main_y)), 95930#(or (= main_x main_y) (<= (select main_a main_x) 25)), 95933#(or (<= (select main_a main_x) 28) (= main_x main_y)), 95932#(or (<= (select main_a main_x) 27) (= main_x main_y)), 95935#(or (= main_x main_y) (<= (select main_a main_x) 30)), 95934#(or (<= (select main_a main_x) 29) (= main_x main_y)), 95937#(or (<= (select main_a main_x) 32) (= main_x main_y)), 95936#(or (<= (select main_a main_x) 31) (= main_x main_y)), 95939#(or (<= (select main_a main_x) 34) (= main_x main_y)), 95938#(or (<= (select main_a main_x) 33) (= main_x main_y)), 95941#(or (<= (select main_a main_x) 36) (= main_x main_y)), 95940#(or (<= (select main_a main_x) 35) (= main_x main_y)), 95943#(or (<= (select main_a main_x) 38) (= main_x main_y)), 95942#(or (<= (select main_a main_x) 37) (= main_x main_y)), 95945#(or (<= (select main_a main_x) 40) (= main_x main_y)), 95944#(or (<= (select main_a main_x) 39) (= main_x main_y)), 95947#(or (<= (select main_a main_x) 42) (= main_x main_y)), 95946#(or (<= (select main_a main_x) 41) (= main_x main_y)), 95949#(or (= main_x main_y) (<= (select main_a main_x) 44)), 95948#(or (= main_x main_y) (<= (select main_a main_x) 43)), 95951#(or (<= (select main_a main_x) 46) (= main_x main_y)), 95950#(or (= main_x main_y) (<= (select main_a main_x) 45)), 95953#(or (<= (select main_a main_x) 48) (= main_x main_y)), 95952#(or (<= (select main_a main_x) 47) (= main_x main_y)), 95955#(or (<= (select main_a main_x) 50) (= main_x main_y)), 95954#(or (<= (select main_a main_x) 49) (= main_x main_y)), 95957#(or (= main_x main_y) (<= (select main_a main_x) 52)), 95956#(or (<= (select main_a main_x) 51) (= main_x main_y)), 95959#(or (<= (select main_a main_x) 54) (= main_x main_y)), 95958#(or (<= (select main_a main_x) 53) (= main_x main_y)), 95961#(or (= main_x main_y) (<= (select main_a main_x) 56)), 95960#(or (<= (select main_a main_x) 55) (= main_x main_y)), 95963#(or (<= (select main_a main_x) 58) (= main_x main_y)), 95962#(or (<= (select main_a main_x) 57) (= main_x main_y)), 95965#(or (= main_x main_y) (<= (select main_a main_x) 60)), 95964#(or (= main_x main_y) (<= (select main_a main_x) 59)), 95967#(or (<= (select main_a main_x) 62) (= main_x main_y)), 95966#(or (= main_x main_y) (<= (select main_a main_x) 61)), 95969#(or (= main_x main_y) (<= (select main_a main_x) 64)), 95968#(or (<= (select main_a main_x) 63) (= main_x main_y)), 95971#(or (= main_x main_y) (<= (select main_a main_x) 66)), 95970#(or (<= (select main_a main_x) 65) (= main_x main_y)), 95973#(or (= main_x main_y) (<= (select main_a main_x) 68)), 95972#(or (<= (select main_a main_x) 67) (= main_x main_y)), 95975#(or (<= (select main_a main_x) 70) (= main_x main_y)), 95974#(or (= main_x main_y) (<= (select main_a main_x) 69)), 95977#(or (= main_x main_y) (<= (select main_a main_x) 72)), 95976#(or (<= (select main_a main_x) 71) (= main_x main_y)), 95979#(or (= main_x main_y) (<= (select main_a main_x) 74)), 95978#(or (<= (select main_a main_x) 73) (= main_x main_y)), 95981#(or (<= (select main_a main_x) 76) (= main_x main_y)), 95980#(or (= main_x main_y) (<= (select main_a main_x) 75)), 95983#(or (<= (select main_a main_x) 78) (= main_x main_y)), 95982#(or (<= (select main_a main_x) 77) (= main_x main_y)), 95985#(or (<= (select main_a main_x) 80) (= main_x main_y)), 95984#(or (<= (select main_a main_x) 79) (= main_x main_y)), 95987#(or (<= (select main_a main_x) 82) (= main_x main_y)), 95986#(or (<= (select main_a main_x) 81) (= main_x main_y)), 95989#(or (<= (select main_a main_x) 84) (= main_x main_y)), 95988#(or (= main_x main_y) (<= (select main_a main_x) 83)), 95991#(or (<= (select main_a main_x) 86) (= main_x main_y)), 95990#(or (<= (select main_a main_x) 85) (= main_x main_y)), 95993#(or (<= (select main_a main_x) 88) (= main_x main_y)), 95992#(or (<= (select main_a main_x) 87) (= main_x main_y)), 95995#(or (<= (select main_a main_x) 90) (= main_x main_y)), 95994#(or (<= (select main_a main_x) 89) (= main_x main_y)), 95997#(or (<= (select main_a main_x) 92) (= main_x main_y)), 95996#(or (= main_x main_y) (<= (select main_a main_x) 91)), 95999#(or (= main_x main_y) (<= (select main_a main_x) 94)), 95998#(or (<= (select main_a main_x) 93) (= main_x main_y)), 96001#(or (<= (select main_a main_x) 96) (= main_x main_y)), 96000#(or (<= (select main_a main_x) 95) (= main_x main_y)), 96003#(or (<= (select main_a main_x) 98) (= main_x main_y)), 96002#(or (= main_x main_y) (<= (select main_a main_x) 97)), 96005#(or (<= (select main_a main_x) 100) (= main_x main_y)), 96004#(or (<= (select main_a main_x) 99) (= main_x main_y)), 96007#(or (= main_x main_y) (<= (select main_a main_x) 102)), 96006#(or (<= (select main_a main_x) 101) (= main_x main_y)), 96009#(or (<= (select main_a main_x) 104) (= main_x main_y)), 96008#(or (<= (select main_a main_x) 103) (= main_x main_y)), 96011#(or (= main_x main_y) (<= (select main_a main_x) 106)), 96010#(or (= main_x main_y) (<= (select main_a main_x) 105)), 96013#(or (<= (select main_a main_x) 108) (= main_x main_y)), 96012#(or (<= (select main_a main_x) 107) (= main_x main_y)), 96015#(or (= main_x main_y) (<= (select main_a main_x) 110)), 96014#(or (= main_x main_y) (<= (select main_a main_x) 109)), 96017#(or (<= (select main_a main_x) 112) (= main_x main_y)), 96016#(or (<= (select main_a main_x) 111) (= main_x main_y)), 96019#(or (= main_x main_y) (<= (select main_a main_x) 114)), 96018#(or (<= (select main_a main_x) 113) (= main_x main_y)), 96021#(or (<= (select main_a main_x) 116) (= main_x main_y)), 96020#(or (= main_x main_y) (<= (select main_a main_x) 115)), 96023#(or (= main_x main_y) (<= (select main_a main_x) 118)), 96022#(or (<= (select main_a main_x) 117) (= main_x main_y)), 96025#(or (<= (select main_a main_x) 120) (= main_x main_y)), 96024#(or (= main_x main_y) (<= (select main_a main_x) 119)), 96027#(or (<= (select main_a main_x) 122) (= main_x main_y)), 96026#(or (= main_x main_y) (<= (select main_a main_x) 121)), 96029#(or (= main_x main_y) (<= (select main_a main_x) 124)), 96028#(or (= main_x main_y) (<= (select main_a main_x) 123)), 96031#(or (= main_x main_y) (<= (select main_a main_x) 126)), 96030#(or (<= (select main_a main_x) 125) (= main_x main_y)), 96033#(or (= main_x main_y) (<= (select main_a main_x) 128)), 96032#(or (<= (select main_a main_x) 127) (= main_x main_y)), 96035#(or (= main_x main_y) (<= (select main_a main_x) 130)), 96034#(or (= main_x main_y) (<= (select main_a main_x) 129)), 96037#(or (<= (select main_a main_x) 132) (= main_x main_y)), 96036#(or (<= (select main_a main_x) 131) (= main_x main_y)), 96039#(or (= main_x main_y) (<= (select main_a main_x) 134)), 96038#(or (= main_x main_y) (<= (select main_a main_x) 133)), 96041#(or (<= (select main_a main_x) 136) (= main_x main_y)), 96040#(or (= main_x main_y) (<= (select main_a main_x) 135)), 96043#(or (= main_x main_y) (<= (select main_a main_x) 138)), 96042#(or (<= (select main_a main_x) 137) (= main_x main_y)), 96045#(or (<= (select main_a main_x) 140) (= main_x main_y)), 96044#(or (= main_x main_y) (<= (select main_a main_x) 139)), 96047#(or (= main_x main_y) (<= (select main_a main_x) 142)), 96046#(or (<= (select main_a main_x) 141) (= main_x main_y)), 96049#(or (<= (select main_a main_x) 144) (= main_x main_y)), 96048#(or (= main_x main_y) (<= (select main_a main_x) 143)), 96051#(or (<= (select main_a main_x) 146) (= main_x main_y)), 96050#(or (= main_x main_y) (<= (select main_a main_x) 145)), 96053#(or (<= (select main_a main_x) 148) (= main_x main_y)), 96052#(or (= main_x main_y) (<= (select main_a main_x) 147)), 96055#(or (= main_x main_y) (<= (select main_a main_x) 150)), 96054#(or (= main_x main_y) (<= (select main_a main_x) 149)), 96057#(or (<= (select main_a main_x) 152) (= main_x main_y)), 96056#(or (<= (select main_a main_x) 151) (= main_x main_y)), 96059#(or (<= (select main_a main_x) 154) (= main_x main_y)), 96058#(or (<= (select main_a main_x) 153) (= main_x main_y)), 96061#(or (<= (select main_a main_x) 156) (= main_x main_y)), 96060#(or (<= (select main_a main_x) 155) (= main_x main_y)), 96063#(or (<= (select main_a main_x) 158) (= main_x main_y)), 96062#(or (<= (select main_a main_x) 157) (= main_x main_y)), 96065#(or (= main_x main_y) (<= (select main_a main_x) 160)), 96064#(or (<= (select main_a main_x) 159) (= main_x main_y)), 96067#(or (= main_x main_y) (<= (select main_a main_x) 162)), 96066#(or (<= (select main_a main_x) 161) (= main_x main_y)), 96069#(or (<= (select main_a main_x) 164) (= main_x main_y)), 96068#(or (<= (select main_a main_x) 163) (= main_x main_y)), 96071#(or (= main_x main_y) (<= (select main_a main_x) 166)), 96070#(or (<= (select main_a main_x) 165) (= main_x main_y)), 96073#(or (<= (select main_a main_x) 168) (= main_x main_y)), 96072#(or (= main_x main_y) (<= (select main_a main_x) 167)), 96075#(or (= main_x main_y) (<= (select main_a main_x) 170)), 96074#(or (= main_x main_y) (<= (select main_a main_x) 169)), 96077#(or (= main_x main_y) (<= (select main_a main_x) 172)), 96076#(or (= main_x main_y) (<= (select main_a main_x) 171)), 96079#(or (= main_x main_y) (<= (select main_a main_x) 174)), 96078#(or (= main_x main_y) (<= (select main_a main_x) 173)), 96081#(or (= main_x main_y) (<= (select main_a main_x) 176)), 96080#(or (<= (select main_a main_x) 175) (= main_x main_y)), 96083#(or (= main_x main_y) (<= (select main_a main_x) 178)), 96082#(or (= main_x main_y) (<= (select main_a main_x) 177)), 96085#(or (<= (select main_a main_x) 180) (= main_x main_y)), 96084#(or (<= (select main_a main_x) 179) (= main_x main_y)), 96087#(or (<= (select main_a main_x) 182) (= main_x main_y)), 96086#(or (<= (select main_a main_x) 181) (= main_x main_y)), 96089#(or (<= (select main_a main_x) 184) (= main_x main_y)), 96088#(or (= main_x main_y) (<= (select main_a main_x) 183)), 96091#(or (= main_x main_y) (<= (select main_a main_x) 186)), 96090#(or (<= (select main_a main_x) 185) (= main_x main_y)), 96093#(or (= main_x main_y) (<= (select main_a main_x) 188)), 96092#(or (= main_x main_y) (<= (select main_a main_x) 187)), 96095#(or (<= (select main_a main_x) 190) (= main_x main_y)), 96094#(or (<= (select main_a main_x) 189) (= main_x main_y)), 96096#(or (not (= (select main_a main_x) 1000)) (= main_x main_y))] [2018-07-23 13:59:27,192 INFO L134 CoverageAnalysis]: Checked inductivity of 18336 backedges. 0 proven. 18336 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-07-23 13:59:27,192 INFO L450 AbstractCegarLoop]: Interpolant automaton has 194 states [2018-07-23 13:59:27,195 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 194 interpolants. [2018-07-23 13:59:27,197 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=18721, Invalid=18721, Unknown=0, NotChecked=0, Total=37442 [2018-07-23 13:59:27,197 INFO L87 Difference]: Start difference. First operand 195 states and 195 transitions. Second operand 194 states. [2018-07-23 13:59:27,574 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-07-23 13:59:27,575 INFO L93 Difference]: Finished difference Result 198 states and 198 transitions. [2018-07-23 13:59:27,575 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 194 states. [2018-07-23 13:59:27,575 INFO L78 Accepts]: Start accepts. Automaton has 194 states. Word has length 194 [2018-07-23 13:59:27,575 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-07-23 13:59:27,575 INFO L225 Difference]: With dead ends: 198 [2018-07-23 13:59:27,575 INFO L226 Difference]: Without dead ends: 196 [2018-07-23 13:59:27,578 INFO L575 BasicCegarLoop]: 0 DeclaredPredicates, 193 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 192 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 1.8s TimeCoverageRelationStatistics Valid=18721, Invalid=18721, Unknown=0, NotChecked=0, Total=37442 [2018-07-23 13:59:27,579 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 196 states. [2018-07-23 13:59:27,587 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 196 to 196. [2018-07-23 13:59:27,587 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 196 states. [2018-07-23 13:59:27,588 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 196 states to 196 states and 196 transitions. [2018-07-23 13:59:27,588 INFO L78 Accepts]: Start accepts. Automaton has 196 states and 196 transitions. Word has length 194 [2018-07-23 13:59:27,588 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-07-23 13:59:27,588 INFO L471 AbstractCegarLoop]: Abstraction has 196 states and 196 transitions. [2018-07-23 13:59:27,588 INFO L472 AbstractCegarLoop]: Interpolant automaton has 194 states. [2018-07-23 13:59:27,588 INFO L276 IsEmpty]: Start isEmpty. Operand 196 states and 196 transitions. [2018-07-23 13:59:27,589 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 196 [2018-07-23 13:59:27,589 INFO L349 BasicCegarLoop]: Found error trace [2018-07-23 13:59:27,589 INFO L357 BasicCegarLoop]: trace histogram [192, 1, 1, 1] [2018-07-23 13:59:27,589 INFO L414 AbstractCegarLoop]: === Iteration 193 === [mainErr0AssertViolationASSERT]=== [2018-07-23 13:59:27,590 INFO L82 PathProgramCache]: Analyzing trace with hash -433898144, now seen corresponding path program 192 times [2018-07-23 13:59:27,590 INFO L69 tionRefinementEngine]: Using refinement strategy FixedRefinementStrategy [2018-07-23 13:59:27,892 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-07-23 13:59:29,957 INFO L134 CoverageAnalysis]: Checked inductivity of 18528 backedges. 0 proven. 18528 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-07-23 13:59:29,957 INFO L309 seRefinementStrategy]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2018-07-23 13:59:29,957 INFO L324 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [194] total 194 [2018-07-23 13:59:29,957 INFO L142 lantAutomatonBuilder]: Constructing canonical interpolant automaton, with selfloop in false state [2018-07-23 13:59:29,957 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-07-23 13:59:29,958 INFO L185 omatonBuilderFactory]: Interpolants [96885#true, 96887#(or (= 0 (select main_a main_x)) (= main_x main_y)), 96886#false, 96889#(or (= main_x main_y) (<= (select main_a main_x) 2)), 96888#(or (<= (select main_a main_x) 1) (= main_x main_y)), 96891#(or (<= (select main_a main_x) 4) (= main_x main_y)), 96890#(or (= main_x main_y) (<= (select main_a main_x) 3)), 96893#(or (<= (select main_a main_x) 6) (= main_x main_y)), 96892#(or (<= (select main_a main_x) 5) (= main_x main_y)), 96895#(or (<= (select main_a main_x) 8) (= main_x main_y)), 96894#(or (<= (select main_a main_x) 7) (= main_x main_y)), 96897#(or (= main_x main_y) (<= (select main_a main_x) 10)), 96896#(or (= main_x main_y) (<= (select main_a main_x) 9)), 96899#(or (<= (select main_a main_x) 12) (= main_x main_y)), 96898#(or (= main_x main_y) (<= (select main_a main_x) 11)), 96901#(or (<= (select main_a main_x) 14) (= main_x main_y)), 96900#(or (= main_x main_y) (<= (select main_a main_x) 13)), 96903#(or (<= (select main_a main_x) 16) (= main_x main_y)), 96902#(or (<= (select main_a main_x) 15) (= main_x main_y)), 96905#(or (<= (select main_a main_x) 18) (= main_x main_y)), 96904#(or (= main_x main_y) (<= (select main_a main_x) 17)), 96907#(or (= main_x main_y) (<= (select main_a main_x) 20)), 96906#(or (<= (select main_a main_x) 19) (= main_x main_y)), 96909#(or (= main_x main_y) (<= (select main_a main_x) 22)), 96908#(or (<= (select main_a main_x) 21) (= main_x main_y)), 96911#(or (<= (select main_a main_x) 24) (= main_x main_y)), 96910#(or (= main_x main_y) (<= (select main_a main_x) 23)), 96913#(or (<= (select main_a main_x) 26) (= main_x main_y)), 96912#(or (= main_x main_y) (<= (select main_a main_x) 25)), 96915#(or (<= (select main_a main_x) 28) (= main_x main_y)), 96914#(or (<= (select main_a main_x) 27) (= main_x main_y)), 96917#(or (= main_x main_y) (<= (select main_a main_x) 30)), 96916#(or (<= (select main_a main_x) 29) (= main_x main_y)), 96919#(or (<= (select main_a main_x) 32) (= main_x main_y)), 96918#(or (<= (select main_a main_x) 31) (= main_x main_y)), 96921#(or (<= (select main_a main_x) 34) (= main_x main_y)), 96920#(or (<= (select main_a main_x) 33) (= main_x main_y)), 96923#(or (<= (select main_a main_x) 36) (= main_x main_y)), 96922#(or (<= (select main_a main_x) 35) (= main_x main_y)), 96925#(or (<= (select main_a main_x) 38) (= main_x main_y)), 96924#(or (<= (select main_a main_x) 37) (= main_x main_y)), 96927#(or (<= (select main_a main_x) 40) (= main_x main_y)), 96926#(or (<= (select main_a main_x) 39) (= main_x main_y)), 96929#(or (<= (select main_a main_x) 42) (= main_x main_y)), 96928#(or (<= (select main_a main_x) 41) (= main_x main_y)), 96931#(or (= main_x main_y) (<= (select main_a main_x) 44)), 96930#(or (= main_x main_y) (<= (select main_a main_x) 43)), 96933#(or (<= (select main_a main_x) 46) (= main_x main_y)), 96932#(or (= main_x main_y) (<= (select main_a main_x) 45)), 96935#(or (<= (select main_a main_x) 48) (= main_x main_y)), 96934#(or (<= (select main_a main_x) 47) (= main_x main_y)), 96937#(or (<= (select main_a main_x) 50) (= main_x main_y)), 96936#(or (<= (select main_a main_x) 49) (= main_x main_y)), 96939#(or (= main_x main_y) (<= (select main_a main_x) 52)), 96938#(or (<= (select main_a main_x) 51) (= main_x main_y)), 96941#(or (<= (select main_a main_x) 54) (= main_x main_y)), 96940#(or (<= (select main_a main_x) 53) (= main_x main_y)), 96943#(or (= main_x main_y) (<= (select main_a main_x) 56)), 96942#(or (<= (select main_a main_x) 55) (= main_x main_y)), 96945#(or (<= (select main_a main_x) 58) (= main_x main_y)), 96944#(or (<= (select main_a main_x) 57) (= main_x main_y)), 96947#(or (= main_x main_y) (<= (select main_a main_x) 60)), 96946#(or (= main_x main_y) (<= (select main_a main_x) 59)), 96949#(or (<= (select main_a main_x) 62) (= main_x main_y)), 96948#(or (= main_x main_y) (<= (select main_a main_x) 61)), 96951#(or (= main_x main_y) (<= (select main_a main_x) 64)), 96950#(or (<= (select main_a main_x) 63) (= main_x main_y)), 96953#(or (= main_x main_y) (<= (select main_a main_x) 66)), 96952#(or (<= (select main_a main_x) 65) (= main_x main_y)), 96955#(or (= main_x main_y) (<= (select main_a main_x) 68)), 96954#(or (<= (select main_a main_x) 67) (= main_x main_y)), 96957#(or (<= (select main_a main_x) 70) (= main_x main_y)), 96956#(or (= main_x main_y) (<= (select main_a main_x) 69)), 96959#(or (= main_x main_y) (<= (select main_a main_x) 72)), 96958#(or (<= (select main_a main_x) 71) (= main_x main_y)), 96961#(or (= main_x main_y) (<= (select main_a main_x) 74)), 96960#(or (<= (select main_a main_x) 73) (= main_x main_y)), 96963#(or (<= (select main_a main_x) 76) (= main_x main_y)), 96962#(or (= main_x main_y) (<= (select main_a main_x) 75)), 96965#(or (<= (select main_a main_x) 78) (= main_x main_y)), 96964#(or (<= (select main_a main_x) 77) (= main_x main_y)), 96967#(or (<= (select main_a main_x) 80) (= main_x main_y)), 96966#(or (<= (select main_a main_x) 79) (= main_x main_y)), 96969#(or (<= (select main_a main_x) 82) (= main_x main_y)), 96968#(or (<= (select main_a main_x) 81) (= main_x main_y)), 96971#(or (<= (select main_a main_x) 84) (= main_x main_y)), 96970#(or (= main_x main_y) (<= (select main_a main_x) 83)), 96973#(or (<= (select main_a main_x) 86) (= main_x main_y)), 96972#(or (<= (select main_a main_x) 85) (= main_x main_y)), 96975#(or (<= (select main_a main_x) 88) (= main_x main_y)), 96974#(or (<= (select main_a main_x) 87) (= main_x main_y)), 96977#(or (<= (select main_a main_x) 90) (= main_x main_y)), 96976#(or (<= (select main_a main_x) 89) (= main_x main_y)), 96979#(or (<= (select main_a main_x) 92) (= main_x main_y)), 96978#(or (= main_x main_y) (<= (select main_a main_x) 91)), 96981#(or (= main_x main_y) (<= (select main_a main_x) 94)), 96980#(or (<= (select main_a main_x) 93) (= main_x main_y)), 96983#(or (<= (select main_a main_x) 96) (= main_x main_y)), 96982#(or (<= (select main_a main_x) 95) (= main_x main_y)), 96985#(or (<= (select main_a main_x) 98) (= main_x main_y)), 96984#(or (= main_x main_y) (<= (select main_a main_x) 97)), 96987#(or (<= (select main_a main_x) 100) (= main_x main_y)), 96986#(or (<= (select main_a main_x) 99) (= main_x main_y)), 96989#(or (= main_x main_y) (<= (select main_a main_x) 102)), 96988#(or (<= (select main_a main_x) 101) (= main_x main_y)), 96991#(or (<= (select main_a main_x) 104) (= main_x main_y)), 96990#(or (<= (select main_a main_x) 103) (= main_x main_y)), 96993#(or (= main_x main_y) (<= (select main_a main_x) 106)), 96992#(or (= main_x main_y) (<= (select main_a main_x) 105)), 96995#(or (<= (select main_a main_x) 108) (= main_x main_y)), 96994#(or (<= (select main_a main_x) 107) (= main_x main_y)), 96997#(or (= main_x main_y) (<= (select main_a main_x) 110)), 96996#(or (= main_x main_y) (<= (select main_a main_x) 109)), 96999#(or (<= (select main_a main_x) 112) (= main_x main_y)), 96998#(or (<= (select main_a main_x) 111) (= main_x main_y)), 97001#(or (= main_x main_y) (<= (select main_a main_x) 114)), 97000#(or (<= (select main_a main_x) 113) (= main_x main_y)), 97003#(or (<= (select main_a main_x) 116) (= main_x main_y)), 97002#(or (= main_x main_y) (<= (select main_a main_x) 115)), 97005#(or (= main_x main_y) (<= (select main_a main_x) 118)), 97004#(or (<= (select main_a main_x) 117) (= main_x main_y)), 97007#(or (<= (select main_a main_x) 120) (= main_x main_y)), 97006#(or (= main_x main_y) (<= (select main_a main_x) 119)), 97009#(or (<= (select main_a main_x) 122) (= main_x main_y)), 97008#(or (= main_x main_y) (<= (select main_a main_x) 121)), 97011#(or (= main_x main_y) (<= (select main_a main_x) 124)), 97010#(or (= main_x main_y) (<= (select main_a main_x) 123)), 97013#(or (= main_x main_y) (<= (select main_a main_x) 126)), 97012#(or (<= (select main_a main_x) 125) (= main_x main_y)), 97015#(or (= main_x main_y) (<= (select main_a main_x) 128)), 97014#(or (<= (select main_a main_x) 127) (= main_x main_y)), 97017#(or (= main_x main_y) (<= (select main_a main_x) 130)), 97016#(or (= main_x main_y) (<= (select main_a main_x) 129)), 97019#(or (<= (select main_a main_x) 132) (= main_x main_y)), 97018#(or (<= (select main_a main_x) 131) (= main_x main_y)), 97021#(or (= main_x main_y) (<= (select main_a main_x) 134)), 97020#(or (= main_x main_y) (<= (select main_a main_x) 133)), 97023#(or (<= (select main_a main_x) 136) (= main_x main_y)), 97022#(or (= main_x main_y) (<= (select main_a main_x) 135)), 97025#(or (= main_x main_y) (<= (select main_a main_x) 138)), 97024#(or (<= (select main_a main_x) 137) (= main_x main_y)), 97027#(or (<= (select main_a main_x) 140) (= main_x main_y)), 97026#(or (= main_x main_y) (<= (select main_a main_x) 139)), 97029#(or (= main_x main_y) (<= (select main_a main_x) 142)), 97028#(or (<= (select main_a main_x) 141) (= main_x main_y)), 97031#(or (<= (select main_a main_x) 144) (= main_x main_y)), 97030#(or (= main_x main_y) (<= (select main_a main_x) 143)), 97033#(or (<= (select main_a main_x) 146) (= main_x main_y)), 97032#(or (= main_x main_y) (<= (select main_a main_x) 145)), 97035#(or (<= (select main_a main_x) 148) (= main_x main_y)), 97034#(or (= main_x main_y) (<= (select main_a main_x) 147)), 97037#(or (= main_x main_y) (<= (select main_a main_x) 150)), 97036#(or (= main_x main_y) (<= (select main_a main_x) 149)), 97039#(or (<= (select main_a main_x) 152) (= main_x main_y)), 97038#(or (<= (select main_a main_x) 151) (= main_x main_y)), 97041#(or (<= (select main_a main_x) 154) (= main_x main_y)), 97040#(or (<= (select main_a main_x) 153) (= main_x main_y)), 97043#(or (<= (select main_a main_x) 156) (= main_x main_y)), 97042#(or (<= (select main_a main_x) 155) (= main_x main_y)), 97045#(or (<= (select main_a main_x) 158) (= main_x main_y)), 97044#(or (<= (select main_a main_x) 157) (= main_x main_y)), 97047#(or (= main_x main_y) (<= (select main_a main_x) 160)), 97046#(or (<= (select main_a main_x) 159) (= main_x main_y)), 97049#(or (= main_x main_y) (<= (select main_a main_x) 162)), 97048#(or (<= (select main_a main_x) 161) (= main_x main_y)), 97051#(or (<= (select main_a main_x) 164) (= main_x main_y)), 97050#(or (<= (select main_a main_x) 163) (= main_x main_y)), 97053#(or (= main_x main_y) (<= (select main_a main_x) 166)), 97052#(or (<= (select main_a main_x) 165) (= main_x main_y)), 97055#(or (<= (select main_a main_x) 168) (= main_x main_y)), 97054#(or (= main_x main_y) (<= (select main_a main_x) 167)), 97057#(or (= main_x main_y) (<= (select main_a main_x) 170)), 97056#(or (= main_x main_y) (<= (select main_a main_x) 169)), 97059#(or (= main_x main_y) (<= (select main_a main_x) 172)), 97058#(or (= main_x main_y) (<= (select main_a main_x) 171)), 97061#(or (= main_x main_y) (<= (select main_a main_x) 174)), 97060#(or (= main_x main_y) (<= (select main_a main_x) 173)), 97063#(or (= main_x main_y) (<= (select main_a main_x) 176)), 97062#(or (<= (select main_a main_x) 175) (= main_x main_y)), 97065#(or (= main_x main_y) (<= (select main_a main_x) 178)), 97064#(or (= main_x main_y) (<= (select main_a main_x) 177)), 97067#(or (<= (select main_a main_x) 180) (= main_x main_y)), 97066#(or (<= (select main_a main_x) 179) (= main_x main_y)), 97069#(or (<= (select main_a main_x) 182) (= main_x main_y)), 97068#(or (<= (select main_a main_x) 181) (= main_x main_y)), 97071#(or (<= (select main_a main_x) 184) (= main_x main_y)), 97070#(or (= main_x main_y) (<= (select main_a main_x) 183)), 97073#(or (= main_x main_y) (<= (select main_a main_x) 186)), 97072#(or (<= (select main_a main_x) 185) (= main_x main_y)), 97075#(or (= main_x main_y) (<= (select main_a main_x) 188)), 97074#(or (= main_x main_y) (<= (select main_a main_x) 187)), 97077#(or (<= (select main_a main_x) 190) (= main_x main_y)), 97076#(or (<= (select main_a main_x) 189) (= main_x main_y)), 97079#(or (not (= (select main_a main_x) 1000)) (= main_x main_y)), 97078#(or (<= (select main_a main_x) 191) (= main_x main_y))] [2018-07-23 13:59:29,959 INFO L134 CoverageAnalysis]: Checked inductivity of 18528 backedges. 0 proven. 18528 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-07-23 13:59:29,959 INFO L450 AbstractCegarLoop]: Interpolant automaton has 195 states [2018-07-23 13:59:29,961 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 195 interpolants. [2018-07-23 13:59:29,962 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=18915, Invalid=18915, Unknown=0, NotChecked=0, Total=37830 [2018-07-23 13:59:29,962 INFO L87 Difference]: Start difference. First operand 196 states and 196 transitions. Second operand 195 states. [2018-07-23 13:59:30,451 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-07-23 13:59:30,451 INFO L93 Difference]: Finished difference Result 199 states and 199 transitions. [2018-07-23 13:59:30,451 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 195 states. [2018-07-23 13:59:30,451 INFO L78 Accepts]: Start accepts. Automaton has 195 states. Word has length 195 [2018-07-23 13:59:30,451 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-07-23 13:59:30,452 INFO L225 Difference]: With dead ends: 199 [2018-07-23 13:59:30,452 INFO L226 Difference]: Without dead ends: 197 [2018-07-23 13:59:30,454 INFO L575 BasicCegarLoop]: 0 DeclaredPredicates, 194 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 193 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 1.8s TimeCoverageRelationStatistics Valid=18915, Invalid=18915, Unknown=0, NotChecked=0, Total=37830 [2018-07-23 13:59:30,454 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 197 states. [2018-07-23 13:59:30,463 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 197 to 197. [2018-07-23 13:59:30,463 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 197 states. [2018-07-23 13:59:30,464 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 197 states to 197 states and 197 transitions. [2018-07-23 13:59:30,464 INFO L78 Accepts]: Start accepts. Automaton has 197 states and 197 transitions. Word has length 195 [2018-07-23 13:59:30,464 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-07-23 13:59:30,464 INFO L471 AbstractCegarLoop]: Abstraction has 197 states and 197 transitions. [2018-07-23 13:59:30,464 INFO L472 AbstractCegarLoop]: Interpolant automaton has 195 states. [2018-07-23 13:59:30,464 INFO L276 IsEmpty]: Start isEmpty. Operand 197 states and 197 transitions. [2018-07-23 13:59:30,465 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 197 [2018-07-23 13:59:30,465 INFO L349 BasicCegarLoop]: Found error trace [2018-07-23 13:59:30,465 INFO L357 BasicCegarLoop]: trace histogram [193, 1, 1, 1] [2018-07-23 13:59:30,465 INFO L414 AbstractCegarLoop]: === Iteration 194 === [mainErr0AssertViolationASSERT]=== [2018-07-23 13:59:30,465 INFO L82 PathProgramCache]: Analyzing trace with hash -565944442, now seen corresponding path program 193 times [2018-07-23 13:59:30,465 INFO L69 tionRefinementEngine]: Using refinement strategy FixedRefinementStrategy [2018-07-23 13:59:30,774 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-07-23 13:59:32,892 INFO L134 CoverageAnalysis]: Checked inductivity of 18721 backedges. 0 proven. 18721 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-07-23 13:59:32,892 INFO L309 seRefinementStrategy]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2018-07-23 13:59:32,892 INFO L324 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [195] total 195 [2018-07-23 13:59:32,892 INFO L142 lantAutomatonBuilder]: Constructing canonical interpolant automaton, with selfloop in false state [2018-07-23 13:59:32,893 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-07-23 13:59:32,893 INFO L185 omatonBuilderFactory]: Interpolants [97873#false, 97872#true, 97875#(or (<= (select main_a main_x) 1) (= main_x main_y)), 97874#(or (= 0 (select main_a main_x)) (= main_x main_y)), 97877#(or (= main_x main_y) (<= (select main_a main_x) 3)), 97876#(or (= main_x main_y) (<= (select main_a main_x) 2)), 97879#(or (<= (select main_a main_x) 5) (= main_x main_y)), 97878#(or (<= (select main_a main_x) 4) (= main_x main_y)), 97881#(or (<= (select main_a main_x) 7) (= main_x main_y)), 97880#(or (<= (select main_a main_x) 6) (= main_x main_y)), 97883#(or (= main_x main_y) (<= (select main_a main_x) 9)), 97882#(or (<= (select main_a main_x) 8) (= main_x main_y)), 97885#(or (= main_x main_y) (<= (select main_a main_x) 11)), 97884#(or (= main_x main_y) (<= (select main_a main_x) 10)), 97887#(or (= main_x main_y) (<= (select main_a main_x) 13)), 97886#(or (<= (select main_a main_x) 12) (= main_x main_y)), 97889#(or (<= (select main_a main_x) 15) (= main_x main_y)), 97888#(or (<= (select main_a main_x) 14) (= main_x main_y)), 97891#(or (= main_x main_y) (<= (select main_a main_x) 17)), 97890#(or (<= (select main_a main_x) 16) (= main_x main_y)), 97893#(or (<= (select main_a main_x) 19) (= main_x main_y)), 97892#(or (<= (select main_a main_x) 18) (= main_x main_y)), 97895#(or (<= (select main_a main_x) 21) (= main_x main_y)), 97894#(or (= main_x main_y) (<= (select main_a main_x) 20)), 97897#(or (= main_x main_y) (<= (select main_a main_x) 23)), 97896#(or (= main_x main_y) (<= (select main_a main_x) 22)), 97899#(or (= main_x main_y) (<= (select main_a main_x) 25)), 97898#(or (<= (select main_a main_x) 24) (= main_x main_y)), 97901#(or (<= (select main_a main_x) 27) (= main_x main_y)), 97900#(or (<= (select main_a main_x) 26) (= main_x main_y)), 97903#(or (<= (select main_a main_x) 29) (= main_x main_y)), 97902#(or (<= (select main_a main_x) 28) (= main_x main_y)), 97905#(or (<= (select main_a main_x) 31) (= main_x main_y)), 97904#(or (= main_x main_y) (<= (select main_a main_x) 30)), 97907#(or (<= (select main_a main_x) 33) (= main_x main_y)), 97906#(or (<= (select main_a main_x) 32) (= main_x main_y)), 97909#(or (<= (select main_a main_x) 35) (= main_x main_y)), 97908#(or (<= (select main_a main_x) 34) (= main_x main_y)), 97911#(or (<= (select main_a main_x) 37) (= main_x main_y)), 97910#(or (<= (select main_a main_x) 36) (= main_x main_y)), 97913#(or (<= (select main_a main_x) 39) (= main_x main_y)), 97912#(or (<= (select main_a main_x) 38) (= main_x main_y)), 97915#(or (<= (select main_a main_x) 41) (= main_x main_y)), 97914#(or (<= (select main_a main_x) 40) (= main_x main_y)), 97917#(or (= main_x main_y) (<= (select main_a main_x) 43)), 97916#(or (<= (select main_a main_x) 42) (= main_x main_y)), 97919#(or (= main_x main_y) (<= (select main_a main_x) 45)), 97918#(or (= main_x main_y) (<= (select main_a main_x) 44)), 97921#(or (<= (select main_a main_x) 47) (= main_x main_y)), 97920#(or (<= (select main_a main_x) 46) (= main_x main_y)), 97923#(or (<= (select main_a main_x) 49) (= main_x main_y)), 97922#(or (<= (select main_a main_x) 48) (= main_x main_y)), 97925#(or (<= (select main_a main_x) 51) (= main_x main_y)), 97924#(or (<= (select main_a main_x) 50) (= main_x main_y)), 97927#(or (<= (select main_a main_x) 53) (= main_x main_y)), 97926#(or (= main_x main_y) (<= (select main_a main_x) 52)), 97929#(or (<= (select main_a main_x) 55) (= main_x main_y)), 97928#(or (<= (select main_a main_x) 54) (= main_x main_y)), 97931#(or (<= (select main_a main_x) 57) (= main_x main_y)), 97930#(or (= main_x main_y) (<= (select main_a main_x) 56)), 97933#(or (= main_x main_y) (<= (select main_a main_x) 59)), 97932#(or (<= (select main_a main_x) 58) (= main_x main_y)), 97935#(or (= main_x main_y) (<= (select main_a main_x) 61)), 97934#(or (= main_x main_y) (<= (select main_a main_x) 60)), 97937#(or (<= (select main_a main_x) 63) (= main_x main_y)), 97936#(or (<= (select main_a main_x) 62) (= main_x main_y)), 97939#(or (<= (select main_a main_x) 65) (= main_x main_y)), 97938#(or (= main_x main_y) (<= (select main_a main_x) 64)), 97941#(or (<= (select main_a main_x) 67) (= main_x main_y)), 97940#(or (= main_x main_y) (<= (select main_a main_x) 66)), 97943#(or (= main_x main_y) (<= (select main_a main_x) 69)), 97942#(or (= main_x main_y) (<= (select main_a main_x) 68)), 97945#(or (<= (select main_a main_x) 71) (= main_x main_y)), 97944#(or (<= (select main_a main_x) 70) (= main_x main_y)), 97947#(or (<= (select main_a main_x) 73) (= main_x main_y)), 97946#(or (= main_x main_y) (<= (select main_a main_x) 72)), 97949#(or (= main_x main_y) (<= (select main_a main_x) 75)), 97948#(or (= main_x main_y) (<= (select main_a main_x) 74)), 97951#(or (<= (select main_a main_x) 77) (= main_x main_y)), 97950#(or (<= (select main_a main_x) 76) (= main_x main_y)), 97953#(or (<= (select main_a main_x) 79) (= main_x main_y)), 97952#(or (<= (select main_a main_x) 78) (= main_x main_y)), 97955#(or (<= (select main_a main_x) 81) (= main_x main_y)), 97954#(or (<= (select main_a main_x) 80) (= main_x main_y)), 97957#(or (= main_x main_y) (<= (select main_a main_x) 83)), 97956#(or (<= (select main_a main_x) 82) (= main_x main_y)), 97959#(or (<= (select main_a main_x) 85) (= main_x main_y)), 97958#(or (<= (select main_a main_x) 84) (= main_x main_y)), 97961#(or (<= (select main_a main_x) 87) (= main_x main_y)), 97960#(or (<= (select main_a main_x) 86) (= main_x main_y)), 97963#(or (<= (select main_a main_x) 89) (= main_x main_y)), 97962#(or (<= (select main_a main_x) 88) (= main_x main_y)), 97965#(or (= main_x main_y) (<= (select main_a main_x) 91)), 97964#(or (<= (select main_a main_x) 90) (= main_x main_y)), 97967#(or (<= (select main_a main_x) 93) (= main_x main_y)), 97966#(or (<= (select main_a main_x) 92) (= main_x main_y)), 97969#(or (<= (select main_a main_x) 95) (= main_x main_y)), 97968#(or (= main_x main_y) (<= (select main_a main_x) 94)), 97971#(or (= main_x main_y) (<= (select main_a main_x) 97)), 97970#(or (<= (select main_a main_x) 96) (= main_x main_y)), 97973#(or (<= (select main_a main_x) 99) (= main_x main_y)), 97972#(or (<= (select main_a main_x) 98) (= main_x main_y)), 97975#(or (<= (select main_a main_x) 101) (= main_x main_y)), 97974#(or (<= (select main_a main_x) 100) (= main_x main_y)), 97977#(or (<= (select main_a main_x) 103) (= main_x main_y)), 97976#(or (= main_x main_y) (<= (select main_a main_x) 102)), 97979#(or (= main_x main_y) (<= (select main_a main_x) 105)), 97978#(or (<= (select main_a main_x) 104) (= main_x main_y)), 97981#(or (<= (select main_a main_x) 107) (= main_x main_y)), 97980#(or (= main_x main_y) (<= (select main_a main_x) 106)), 97983#(or (= main_x main_y) (<= (select main_a main_x) 109)), 97982#(or (<= (select main_a main_x) 108) (= main_x main_y)), 97985#(or (<= (select main_a main_x) 111) (= main_x main_y)), 97984#(or (= main_x main_y) (<= (select main_a main_x) 110)), 97987#(or (<= (select main_a main_x) 113) (= main_x main_y)), 97986#(or (<= (select main_a main_x) 112) (= main_x main_y)), 97989#(or (= main_x main_y) (<= (select main_a main_x) 115)), 97988#(or (= main_x main_y) (<= (select main_a main_x) 114)), 97991#(or (<= (select main_a main_x) 117) (= main_x main_y)), 97990#(or (<= (select main_a main_x) 116) (= main_x main_y)), 97993#(or (= main_x main_y) (<= (select main_a main_x) 119)), 97992#(or (= main_x main_y) (<= (select main_a main_x) 118)), 97995#(or (= main_x main_y) (<= (select main_a main_x) 121)), 97994#(or (<= (select main_a main_x) 120) (= main_x main_y)), 97997#(or (= main_x main_y) (<= (select main_a main_x) 123)), 97996#(or (<= (select main_a main_x) 122) (= main_x main_y)), 97999#(or (<= (select main_a main_x) 125) (= main_x main_y)), 97998#(or (= main_x main_y) (<= (select main_a main_x) 124)), 98001#(or (<= (select main_a main_x) 127) (= main_x main_y)), 98000#(or (= main_x main_y) (<= (select main_a main_x) 126)), 98003#(or (= main_x main_y) (<= (select main_a main_x) 129)), 98002#(or (= main_x main_y) (<= (select main_a main_x) 128)), 98005#(or (<= (select main_a main_x) 131) (= main_x main_y)), 98004#(or (= main_x main_y) (<= (select main_a main_x) 130)), 98007#(or (= main_x main_y) (<= (select main_a main_x) 133)), 98006#(or (<= (select main_a main_x) 132) (= main_x main_y)), 98009#(or (= main_x main_y) (<= (select main_a main_x) 135)), 98008#(or (= main_x main_y) (<= (select main_a main_x) 134)), 98011#(or (<= (select main_a main_x) 137) (= main_x main_y)), 98010#(or (<= (select main_a main_x) 136) (= main_x main_y)), 98013#(or (= main_x main_y) (<= (select main_a main_x) 139)), 98012#(or (= main_x main_y) (<= (select main_a main_x) 138)), 98015#(or (<= (select main_a main_x) 141) (= main_x main_y)), 98014#(or (<= (select main_a main_x) 140) (= main_x main_y)), 98017#(or (= main_x main_y) (<= (select main_a main_x) 143)), 98016#(or (= main_x main_y) (<= (select main_a main_x) 142)), 98019#(or (= main_x main_y) (<= (select main_a main_x) 145)), 98018#(or (<= (select main_a main_x) 144) (= main_x main_y)), 98021#(or (= main_x main_y) (<= (select main_a main_x) 147)), 98020#(or (<= (select main_a main_x) 146) (= main_x main_y)), 98023#(or (= main_x main_y) (<= (select main_a main_x) 149)), 98022#(or (<= (select main_a main_x) 148) (= main_x main_y)), 98025#(or (<= (select main_a main_x) 151) (= main_x main_y)), 98024#(or (= main_x main_y) (<= (select main_a main_x) 150)), 98027#(or (<= (select main_a main_x) 153) (= main_x main_y)), 98026#(or (<= (select main_a main_x) 152) (= main_x main_y)), 98029#(or (<= (select main_a main_x) 155) (= main_x main_y)), 98028#(or (<= (select main_a main_x) 154) (= main_x main_y)), 98031#(or (<= (select main_a main_x) 157) (= main_x main_y)), 98030#(or (<= (select main_a main_x) 156) (= main_x main_y)), 98033#(or (<= (select main_a main_x) 159) (= main_x main_y)), 98032#(or (<= (select main_a main_x) 158) (= main_x main_y)), 98035#(or (<= (select main_a main_x) 161) (= main_x main_y)), 98034#(or (= main_x main_y) (<= (select main_a main_x) 160)), 98037#(or (<= (select main_a main_x) 163) (= main_x main_y)), 98036#(or (= main_x main_y) (<= (select main_a main_x) 162)), 98039#(or (<= (select main_a main_x) 165) (= main_x main_y)), 98038#(or (<= (select main_a main_x) 164) (= main_x main_y)), 98041#(or (= main_x main_y) (<= (select main_a main_x) 167)), 98040#(or (= main_x main_y) (<= (select main_a main_x) 166)), 98043#(or (= main_x main_y) (<= (select main_a main_x) 169)), 98042#(or (<= (select main_a main_x) 168) (= main_x main_y)), 98045#(or (= main_x main_y) (<= (select main_a main_x) 171)), 98044#(or (= main_x main_y) (<= (select main_a main_x) 170)), 98047#(or (= main_x main_y) (<= (select main_a main_x) 173)), 98046#(or (= main_x main_y) (<= (select main_a main_x) 172)), 98049#(or (<= (select main_a main_x) 175) (= main_x main_y)), 98048#(or (= main_x main_y) (<= (select main_a main_x) 174)), 98051#(or (= main_x main_y) (<= (select main_a main_x) 177)), 98050#(or (= main_x main_y) (<= (select main_a main_x) 176)), 98053#(or (<= (select main_a main_x) 179) (= main_x main_y)), 98052#(or (= main_x main_y) (<= (select main_a main_x) 178)), 98055#(or (<= (select main_a main_x) 181) (= main_x main_y)), 98054#(or (<= (select main_a main_x) 180) (= main_x main_y)), 98057#(or (= main_x main_y) (<= (select main_a main_x) 183)), 98056#(or (<= (select main_a main_x) 182) (= main_x main_y)), 98059#(or (<= (select main_a main_x) 185) (= main_x main_y)), 98058#(or (<= (select main_a main_x) 184) (= main_x main_y)), 98061#(or (= main_x main_y) (<= (select main_a main_x) 187)), 98060#(or (= main_x main_y) (<= (select main_a main_x) 186)), 98063#(or (<= (select main_a main_x) 189) (= main_x main_y)), 98062#(or (= main_x main_y) (<= (select main_a main_x) 188)), 98065#(or (<= (select main_a main_x) 191) (= main_x main_y)), 98064#(or (<= (select main_a main_x) 190) (= main_x main_y)), 98067#(or (not (= (select main_a main_x) 1000)) (= main_x main_y)), 98066#(or (<= (select main_a main_x) 192) (= main_x main_y))] [2018-07-23 13:59:32,894 INFO L134 CoverageAnalysis]: Checked inductivity of 18721 backedges. 0 proven. 18721 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-07-23 13:59:32,894 INFO L450 AbstractCegarLoop]: Interpolant automaton has 196 states [2018-07-23 13:59:32,895 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 196 interpolants. [2018-07-23 13:59:32,896 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=19110, Invalid=19110, Unknown=0, NotChecked=0, Total=38220 [2018-07-23 13:59:32,897 INFO L87 Difference]: Start difference. First operand 197 states and 197 transitions. Second operand 196 states. [2018-07-23 13:59:33,717 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-07-23 13:59:33,717 INFO L93 Difference]: Finished difference Result 200 states and 200 transitions. [2018-07-23 13:59:33,717 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 196 states. [2018-07-23 13:59:33,717 INFO L78 Accepts]: Start accepts. Automaton has 196 states. Word has length 196 [2018-07-23 13:59:33,717 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-07-23 13:59:33,717 INFO L225 Difference]: With dead ends: 200 [2018-07-23 13:59:33,718 INFO L226 Difference]: Without dead ends: 198 [2018-07-23 13:59:33,719 INFO L575 BasicCegarLoop]: 0 DeclaredPredicates, 195 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 194 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 1.9s TimeCoverageRelationStatistics Valid=19110, Invalid=19110, Unknown=0, NotChecked=0, Total=38220 [2018-07-23 13:59:33,719 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 198 states. [2018-07-23 13:59:33,733 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 198 to 198. [2018-07-23 13:59:33,733 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 198 states. [2018-07-23 13:59:33,734 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 198 states to 198 states and 198 transitions. [2018-07-23 13:59:33,734 INFO L78 Accepts]: Start accepts. Automaton has 198 states and 198 transitions. Word has length 196 [2018-07-23 13:59:33,734 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-07-23 13:59:33,734 INFO L471 AbstractCegarLoop]: Abstraction has 198 states and 198 transitions. [2018-07-23 13:59:33,734 INFO L472 AbstractCegarLoop]: Interpolant automaton has 196 states. [2018-07-23 13:59:33,734 INFO L276 IsEmpty]: Start isEmpty. Operand 198 states and 198 transitions. [2018-07-23 13:59:33,735 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 198 [2018-07-23 13:59:33,735 INFO L349 BasicCegarLoop]: Found error trace [2018-07-23 13:59:33,735 INFO L357 BasicCegarLoop]: trace histogram [194, 1, 1, 1] [2018-07-23 13:59:33,735 INFO L414 AbstractCegarLoop]: === Iteration 195 === [mainErr0AssertViolationASSERT]=== [2018-07-23 13:59:33,736 INFO L82 PathProgramCache]: Analyzing trace with hash -364412384, now seen corresponding path program 194 times [2018-07-23 13:59:33,736 INFO L69 tionRefinementEngine]: Using refinement strategy FixedRefinementStrategy [2018-07-23 13:59:34,166 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-07-23 13:59:36,254 INFO L134 CoverageAnalysis]: Checked inductivity of 18915 backedges. 0 proven. 18915 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-07-23 13:59:36,254 INFO L309 seRefinementStrategy]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2018-07-23 13:59:36,254 INFO L324 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [196] total 196 [2018-07-23 13:59:36,255 INFO L142 lantAutomatonBuilder]: Constructing canonical interpolant automaton, with selfloop in false state [2018-07-23 13:59:36,255 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-07-23 13:59:36,255 INFO L185 omatonBuilderFactory]: Interpolants [98865#false, 98864#true, 98867#(or (<= (select main_a main_x) 1) (= main_x main_y)), 98866#(or (= 0 (select main_a main_x)) (= main_x main_y)), 98869#(or (= main_x main_y) (<= (select main_a main_x) 3)), 98868#(or (= main_x main_y) (<= (select main_a main_x) 2)), 98871#(or (<= (select main_a main_x) 5) (= main_x main_y)), 98870#(or (<= (select main_a main_x) 4) (= main_x main_y)), 98873#(or (<= (select main_a main_x) 7) (= main_x main_y)), 98872#(or (<= (select main_a main_x) 6) (= main_x main_y)), 98875#(or (= main_x main_y) (<= (select main_a main_x) 9)), 98874#(or (<= (select main_a main_x) 8) (= main_x main_y)), 98877#(or (= main_x main_y) (<= (select main_a main_x) 11)), 98876#(or (= main_x main_y) (<= (select main_a main_x) 10)), 98879#(or (= main_x main_y) (<= (select main_a main_x) 13)), 98878#(or (<= (select main_a main_x) 12) (= main_x main_y)), 98881#(or (<= (select main_a main_x) 15) (= main_x main_y)), 98880#(or (<= (select main_a main_x) 14) (= main_x main_y)), 98883#(or (= main_x main_y) (<= (select main_a main_x) 17)), 98882#(or (<= (select main_a main_x) 16) (= main_x main_y)), 98885#(or (<= (select main_a main_x) 19) (= main_x main_y)), 98884#(or (<= (select main_a main_x) 18) (= main_x main_y)), 98887#(or (<= (select main_a main_x) 21) (= main_x main_y)), 98886#(or (= main_x main_y) (<= (select main_a main_x) 20)), 98889#(or (= main_x main_y) (<= (select main_a main_x) 23)), 98888#(or (= main_x main_y) (<= (select main_a main_x) 22)), 98891#(or (= main_x main_y) (<= (select main_a main_x) 25)), 98890#(or (<= (select main_a main_x) 24) (= main_x main_y)), 98893#(or (<= (select main_a main_x) 27) (= main_x main_y)), 98892#(or (<= (select main_a main_x) 26) (= main_x main_y)), 98895#(or (<= (select main_a main_x) 29) (= main_x main_y)), 98894#(or (<= (select main_a main_x) 28) (= main_x main_y)), 98897#(or (<= (select main_a main_x) 31) (= main_x main_y)), 98896#(or (= main_x main_y) (<= (select main_a main_x) 30)), 98899#(or (<= (select main_a main_x) 33) (= main_x main_y)), 98898#(or (<= (select main_a main_x) 32) (= main_x main_y)), 98901#(or (<= (select main_a main_x) 35) (= main_x main_y)), 98900#(or (<= (select main_a main_x) 34) (= main_x main_y)), 98903#(or (<= (select main_a main_x) 37) (= main_x main_y)), 98902#(or (<= (select main_a main_x) 36) (= main_x main_y)), 98905#(or (<= (select main_a main_x) 39) (= main_x main_y)), 98904#(or (<= (select main_a main_x) 38) (= main_x main_y)), 98907#(or (<= (select main_a main_x) 41) (= main_x main_y)), 98906#(or (<= (select main_a main_x) 40) (= main_x main_y)), 98909#(or (= main_x main_y) (<= (select main_a main_x) 43)), 98908#(or (<= (select main_a main_x) 42) (= main_x main_y)), 98911#(or (= main_x main_y) (<= (select main_a main_x) 45)), 98910#(or (= main_x main_y) (<= (select main_a main_x) 44)), 98913#(or (<= (select main_a main_x) 47) (= main_x main_y)), 98912#(or (<= (select main_a main_x) 46) (= main_x main_y)), 98915#(or (<= (select main_a main_x) 49) (= main_x main_y)), 98914#(or (<= (select main_a main_x) 48) (= main_x main_y)), 98917#(or (<= (select main_a main_x) 51) (= main_x main_y)), 98916#(or (<= (select main_a main_x) 50) (= main_x main_y)), 98919#(or (<= (select main_a main_x) 53) (= main_x main_y)), 98918#(or (= main_x main_y) (<= (select main_a main_x) 52)), 98921#(or (<= (select main_a main_x) 55) (= main_x main_y)), 98920#(or (<= (select main_a main_x) 54) (= main_x main_y)), 98923#(or (<= (select main_a main_x) 57) (= main_x main_y)), 98922#(or (= main_x main_y) (<= (select main_a main_x) 56)), 98925#(or (= main_x main_y) (<= (select main_a main_x) 59)), 98924#(or (<= (select main_a main_x) 58) (= main_x main_y)), 98927#(or (= main_x main_y) (<= (select main_a main_x) 61)), 98926#(or (= main_x main_y) (<= (select main_a main_x) 60)), 98929#(or (<= (select main_a main_x) 63) (= main_x main_y)), 98928#(or (<= (select main_a main_x) 62) (= main_x main_y)), 98931#(or (<= (select main_a main_x) 65) (= main_x main_y)), 98930#(or (= main_x main_y) (<= (select main_a main_x) 64)), 98933#(or (<= (select main_a main_x) 67) (= main_x main_y)), 98932#(or (= main_x main_y) (<= (select main_a main_x) 66)), 98935#(or (= main_x main_y) (<= (select main_a main_x) 69)), 98934#(or (= main_x main_y) (<= (select main_a main_x) 68)), 98937#(or (<= (select main_a main_x) 71) (= main_x main_y)), 98936#(or (<= (select main_a main_x) 70) (= main_x main_y)), 98939#(or (<= (select main_a main_x) 73) (= main_x main_y)), 98938#(or (= main_x main_y) (<= (select main_a main_x) 72)), 98941#(or (= main_x main_y) (<= (select main_a main_x) 75)), 98940#(or (= main_x main_y) (<= (select main_a main_x) 74)), 98943#(or (<= (select main_a main_x) 77) (= main_x main_y)), 98942#(or (<= (select main_a main_x) 76) (= main_x main_y)), 98945#(or (<= (select main_a main_x) 79) (= main_x main_y)), 98944#(or (<= (select main_a main_x) 78) (= main_x main_y)), 98947#(or (<= (select main_a main_x) 81) (= main_x main_y)), 98946#(or (<= (select main_a main_x) 80) (= main_x main_y)), 98949#(or (= main_x main_y) (<= (select main_a main_x) 83)), 98948#(or (<= (select main_a main_x) 82) (= main_x main_y)), 98951#(or (<= (select main_a main_x) 85) (= main_x main_y)), 98950#(or (<= (select main_a main_x) 84) (= main_x main_y)), 98953#(or (<= (select main_a main_x) 87) (= main_x main_y)), 98952#(or (<= (select main_a main_x) 86) (= main_x main_y)), 98955#(or (<= (select main_a main_x) 89) (= main_x main_y)), 98954#(or (<= (select main_a main_x) 88) (= main_x main_y)), 98957#(or (= main_x main_y) (<= (select main_a main_x) 91)), 98956#(or (<= (select main_a main_x) 90) (= main_x main_y)), 98959#(or (<= (select main_a main_x) 93) (= main_x main_y)), 98958#(or (<= (select main_a main_x) 92) (= main_x main_y)), 98961#(or (<= (select main_a main_x) 95) (= main_x main_y)), 98960#(or (= main_x main_y) (<= (select main_a main_x) 94)), 98963#(or (= main_x main_y) (<= (select main_a main_x) 97)), 98962#(or (<= (select main_a main_x) 96) (= main_x main_y)), 98965#(or (<= (select main_a main_x) 99) (= main_x main_y)), 98964#(or (<= (select main_a main_x) 98) (= main_x main_y)), 98967#(or (<= (select main_a main_x) 101) (= main_x main_y)), 98966#(or (<= (select main_a main_x) 100) (= main_x main_y)), 98969#(or (<= (select main_a main_x) 103) (= main_x main_y)), 98968#(or (= main_x main_y) (<= (select main_a main_x) 102)), 98971#(or (= main_x main_y) (<= (select main_a main_x) 105)), 98970#(or (<= (select main_a main_x) 104) (= main_x main_y)), 98973#(or (<= (select main_a main_x) 107) (= main_x main_y)), 98972#(or (= main_x main_y) (<= (select main_a main_x) 106)), 98975#(or (= main_x main_y) (<= (select main_a main_x) 109)), 98974#(or (<= (select main_a main_x) 108) (= main_x main_y)), 98977#(or (<= (select main_a main_x) 111) (= main_x main_y)), 98976#(or (= main_x main_y) (<= (select main_a main_x) 110)), 98979#(or (<= (select main_a main_x) 113) (= main_x main_y)), 98978#(or (<= (select main_a main_x) 112) (= main_x main_y)), 98981#(or (= main_x main_y) (<= (select main_a main_x) 115)), 98980#(or (= main_x main_y) (<= (select main_a main_x) 114)), 98983#(or (<= (select main_a main_x) 117) (= main_x main_y)), 98982#(or (<= (select main_a main_x) 116) (= main_x main_y)), 98985#(or (= main_x main_y) (<= (select main_a main_x) 119)), 98984#(or (= main_x main_y) (<= (select main_a main_x) 118)), 98987#(or (= main_x main_y) (<= (select main_a main_x) 121)), 98986#(or (<= (select main_a main_x) 120) (= main_x main_y)), 98989#(or (= main_x main_y) (<= (select main_a main_x) 123)), 98988#(or (<= (select main_a main_x) 122) (= main_x main_y)), 98991#(or (<= (select main_a main_x) 125) (= main_x main_y)), 98990#(or (= main_x main_y) (<= (select main_a main_x) 124)), 98993#(or (<= (select main_a main_x) 127) (= main_x main_y)), 98992#(or (= main_x main_y) (<= (select main_a main_x) 126)), 98995#(or (= main_x main_y) (<= (select main_a main_x) 129)), 98994#(or (= main_x main_y) (<= (select main_a main_x) 128)), 98997#(or (<= (select main_a main_x) 131) (= main_x main_y)), 98996#(or (= main_x main_y) (<= (select main_a main_x) 130)), 98999#(or (= main_x main_y) (<= (select main_a main_x) 133)), 98998#(or (<= (select main_a main_x) 132) (= main_x main_y)), 99001#(or (= main_x main_y) (<= (select main_a main_x) 135)), 99000#(or (= main_x main_y) (<= (select main_a main_x) 134)), 99003#(or (<= (select main_a main_x) 137) (= main_x main_y)), 99002#(or (<= (select main_a main_x) 136) (= main_x main_y)), 99005#(or (= main_x main_y) (<= (select main_a main_x) 139)), 99004#(or (= main_x main_y) (<= (select main_a main_x) 138)), 99007#(or (<= (select main_a main_x) 141) (= main_x main_y)), 99006#(or (<= (select main_a main_x) 140) (= main_x main_y)), 99009#(or (= main_x main_y) (<= (select main_a main_x) 143)), 99008#(or (= main_x main_y) (<= (select main_a main_x) 142)), 99011#(or (= main_x main_y) (<= (select main_a main_x) 145)), 99010#(or (<= (select main_a main_x) 144) (= main_x main_y)), 99013#(or (= main_x main_y) (<= (select main_a main_x) 147)), 99012#(or (<= (select main_a main_x) 146) (= main_x main_y)), 99015#(or (= main_x main_y) (<= (select main_a main_x) 149)), 99014#(or (<= (select main_a main_x) 148) (= main_x main_y)), 99017#(or (<= (select main_a main_x) 151) (= main_x main_y)), 99016#(or (= main_x main_y) (<= (select main_a main_x) 150)), 99019#(or (<= (select main_a main_x) 153) (= main_x main_y)), 99018#(or (<= (select main_a main_x) 152) (= main_x main_y)), 99021#(or (<= (select main_a main_x) 155) (= main_x main_y)), 99020#(or (<= (select main_a main_x) 154) (= main_x main_y)), 99023#(or (<= (select main_a main_x) 157) (= main_x main_y)), 99022#(or (<= (select main_a main_x) 156) (= main_x main_y)), 99025#(or (<= (select main_a main_x) 159) (= main_x main_y)), 99024#(or (<= (select main_a main_x) 158) (= main_x main_y)), 99027#(or (<= (select main_a main_x) 161) (= main_x main_y)), 99026#(or (= main_x main_y) (<= (select main_a main_x) 160)), 99029#(or (<= (select main_a main_x) 163) (= main_x main_y)), 99028#(or (= main_x main_y) (<= (select main_a main_x) 162)), 99031#(or (<= (select main_a main_x) 165) (= main_x main_y)), 99030#(or (<= (select main_a main_x) 164) (= main_x main_y)), 99033#(or (= main_x main_y) (<= (select main_a main_x) 167)), 99032#(or (= main_x main_y) (<= (select main_a main_x) 166)), 99035#(or (= main_x main_y) (<= (select main_a main_x) 169)), 99034#(or (<= (select main_a main_x) 168) (= main_x main_y)), 99037#(or (= main_x main_y) (<= (select main_a main_x) 171)), 99036#(or (= main_x main_y) (<= (select main_a main_x) 170)), 99039#(or (= main_x main_y) (<= (select main_a main_x) 173)), 99038#(or (= main_x main_y) (<= (select main_a main_x) 172)), 99041#(or (<= (select main_a main_x) 175) (= main_x main_y)), 99040#(or (= main_x main_y) (<= (select main_a main_x) 174)), 99043#(or (= main_x main_y) (<= (select main_a main_x) 177)), 99042#(or (= main_x main_y) (<= (select main_a main_x) 176)), 99045#(or (<= (select main_a main_x) 179) (= main_x main_y)), 99044#(or (= main_x main_y) (<= (select main_a main_x) 178)), 99047#(or (<= (select main_a main_x) 181) (= main_x main_y)), 99046#(or (<= (select main_a main_x) 180) (= main_x main_y)), 99049#(or (= main_x main_y) (<= (select main_a main_x) 183)), 99048#(or (<= (select main_a main_x) 182) (= main_x main_y)), 99051#(or (<= (select main_a main_x) 185) (= main_x main_y)), 99050#(or (<= (select main_a main_x) 184) (= main_x main_y)), 99053#(or (= main_x main_y) (<= (select main_a main_x) 187)), 99052#(or (= main_x main_y) (<= (select main_a main_x) 186)), 99055#(or (<= (select main_a main_x) 189) (= main_x main_y)), 99054#(or (= main_x main_y) (<= (select main_a main_x) 188)), 99057#(or (<= (select main_a main_x) 191) (= main_x main_y)), 99056#(or (<= (select main_a main_x) 190) (= main_x main_y)), 99059#(or (<= (select main_a main_x) 193) (= main_x main_y)), 99058#(or (<= (select main_a main_x) 192) (= main_x main_y)), 99060#(or (not (= (select main_a main_x) 1000)) (= main_x main_y))] [2018-07-23 13:59:36,256 INFO L134 CoverageAnalysis]: Checked inductivity of 18915 backedges. 0 proven. 18915 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-07-23 13:59:36,256 INFO L450 AbstractCegarLoop]: Interpolant automaton has 197 states [2018-07-23 13:59:36,259 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 197 interpolants. [2018-07-23 13:59:36,260 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=19306, Invalid=19306, Unknown=0, NotChecked=0, Total=38612 [2018-07-23 13:59:36,261 INFO L87 Difference]: Start difference. First operand 198 states and 198 transitions. Second operand 197 states. [2018-07-23 13:59:37,245 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-07-23 13:59:37,246 INFO L93 Difference]: Finished difference Result 201 states and 201 transitions. [2018-07-23 13:59:37,246 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 197 states. [2018-07-23 13:59:37,246 INFO L78 Accepts]: Start accepts. Automaton has 197 states. Word has length 197 [2018-07-23 13:59:37,246 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-07-23 13:59:37,246 INFO L225 Difference]: With dead ends: 201 [2018-07-23 13:59:37,246 INFO L226 Difference]: Without dead ends: 199 [2018-07-23 13:59:37,248 INFO L575 BasicCegarLoop]: 0 DeclaredPredicates, 196 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 195 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 1.8s TimeCoverageRelationStatistics Valid=19306, Invalid=19306, Unknown=0, NotChecked=0, Total=38612 [2018-07-23 13:59:37,249 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 199 states. [2018-07-23 13:59:37,257 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 199 to 199. [2018-07-23 13:59:37,257 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 199 states. [2018-07-23 13:59:37,257 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 199 states to 199 states and 199 transitions. [2018-07-23 13:59:37,257 INFO L78 Accepts]: Start accepts. Automaton has 199 states and 199 transitions. Word has length 197 [2018-07-23 13:59:37,257 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-07-23 13:59:37,258 INFO L471 AbstractCegarLoop]: Abstraction has 199 states and 199 transitions. [2018-07-23 13:59:37,258 INFO L472 AbstractCegarLoop]: Interpolant automaton has 197 states. [2018-07-23 13:59:37,258 INFO L276 IsEmpty]: Start isEmpty. Operand 199 states and 199 transitions. [2018-07-23 13:59:37,258 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 199 [2018-07-23 13:59:37,258 INFO L349 BasicCegarLoop]: Found error trace [2018-07-23 13:59:37,258 INFO L357 BasicCegarLoop]: trace histogram [195, 1, 1, 1] [2018-07-23 13:59:37,258 INFO L414 AbstractCegarLoop]: === Iteration 196 === [mainErr0AssertViolationASSERT]=== [2018-07-23 13:59:37,258 INFO L82 PathProgramCache]: Analyzing trace with hash 1588114118, now seen corresponding path program 195 times [2018-07-23 13:59:37,258 INFO L69 tionRefinementEngine]: Using refinement strategy FixedRefinementStrategy [2018-07-23 13:59:37,523 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-07-23 13:59:39,643 INFO L134 CoverageAnalysis]: Checked inductivity of 19110 backedges. 0 proven. 19110 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-07-23 13:59:39,644 INFO L309 seRefinementStrategy]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2018-07-23 13:59:39,644 INFO L324 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [197] total 197 [2018-07-23 13:59:39,644 INFO L142 lantAutomatonBuilder]: Constructing canonical interpolant automaton, with selfloop in false state [2018-07-23 13:59:39,644 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-07-23 13:59:39,645 INFO L185 omatonBuilderFactory]: Interpolants [99861#true, 99863#(or (= 0 (select main_a main_x)) (= main_x main_y)), 99862#false, 99865#(or (= main_x main_y) (<= (select main_a main_x) 2)), 99864#(or (<= (select main_a main_x) 1) (= main_x main_y)), 99867#(or (<= (select main_a main_x) 4) (= main_x main_y)), 99866#(or (= main_x main_y) (<= (select main_a main_x) 3)), 99869#(or (<= (select main_a main_x) 6) (= main_x main_y)), 99868#(or (<= (select main_a main_x) 5) (= main_x main_y)), 99871#(or (<= (select main_a main_x) 8) (= main_x main_y)), 99870#(or (<= (select main_a main_x) 7) (= main_x main_y)), 99873#(or (= main_x main_y) (<= (select main_a main_x) 10)), 99872#(or (= main_x main_y) (<= (select main_a main_x) 9)), 99875#(or (<= (select main_a main_x) 12) (= main_x main_y)), 99874#(or (= main_x main_y) (<= (select main_a main_x) 11)), 99877#(or (<= (select main_a main_x) 14) (= main_x main_y)), 99876#(or (= main_x main_y) (<= (select main_a main_x) 13)), 99879#(or (<= (select main_a main_x) 16) (= main_x main_y)), 99878#(or (<= (select main_a main_x) 15) (= main_x main_y)), 99881#(or (<= (select main_a main_x) 18) (= main_x main_y)), 99880#(or (= main_x main_y) (<= (select main_a main_x) 17)), 99883#(or (= main_x main_y) (<= (select main_a main_x) 20)), 99882#(or (<= (select main_a main_x) 19) (= main_x main_y)), 99885#(or (= main_x main_y) (<= (select main_a main_x) 22)), 99884#(or (<= (select main_a main_x) 21) (= main_x main_y)), 99887#(or (<= (select main_a main_x) 24) (= main_x main_y)), 99886#(or (= main_x main_y) (<= (select main_a main_x) 23)), 99889#(or (<= (select main_a main_x) 26) (= main_x main_y)), 99888#(or (= main_x main_y) (<= (select main_a main_x) 25)), 99891#(or (<= (select main_a main_x) 28) (= main_x main_y)), 99890#(or (<= (select main_a main_x) 27) (= main_x main_y)), 99893#(or (= main_x main_y) (<= (select main_a main_x) 30)), 99892#(or (<= (select main_a main_x) 29) (= main_x main_y)), 99895#(or (<= (select main_a main_x) 32) (= main_x main_y)), 99894#(or (<= (select main_a main_x) 31) (= main_x main_y)), 99897#(or (<= (select main_a main_x) 34) (= main_x main_y)), 99896#(or (<= (select main_a main_x) 33) (= main_x main_y)), 99899#(or (<= (select main_a main_x) 36) (= main_x main_y)), 99898#(or (<= (select main_a main_x) 35) (= main_x main_y)), 99901#(or (<= (select main_a main_x) 38) (= main_x main_y)), 99900#(or (<= (select main_a main_x) 37) (= main_x main_y)), 99903#(or (<= (select main_a main_x) 40) (= main_x main_y)), 99902#(or (<= (select main_a main_x) 39) (= main_x main_y)), 99905#(or (<= (select main_a main_x) 42) (= main_x main_y)), 99904#(or (<= (select main_a main_x) 41) (= main_x main_y)), 99907#(or (= main_x main_y) (<= (select main_a main_x) 44)), 99906#(or (= main_x main_y) (<= (select main_a main_x) 43)), 99909#(or (<= (select main_a main_x) 46) (= main_x main_y)), 99908#(or (= main_x main_y) (<= (select main_a main_x) 45)), 99911#(or (<= (select main_a main_x) 48) (= main_x main_y)), 99910#(or (<= (select main_a main_x) 47) (= main_x main_y)), 99913#(or (<= (select main_a main_x) 50) (= main_x main_y)), 99912#(or (<= (select main_a main_x) 49) (= main_x main_y)), 99915#(or (= main_x main_y) (<= (select main_a main_x) 52)), 99914#(or (<= (select main_a main_x) 51) (= main_x main_y)), 99917#(or (<= (select main_a main_x) 54) (= main_x main_y)), 99916#(or (<= (select main_a main_x) 53) (= main_x main_y)), 99919#(or (= main_x main_y) (<= (select main_a main_x) 56)), 99918#(or (<= (select main_a main_x) 55) (= main_x main_y)), 99921#(or (<= (select main_a main_x) 58) (= main_x main_y)), 99920#(or (<= (select main_a main_x) 57) (= main_x main_y)), 99923#(or (= main_x main_y) (<= (select main_a main_x) 60)), 99922#(or (= main_x main_y) (<= (select main_a main_x) 59)), 99925#(or (<= (select main_a main_x) 62) (= main_x main_y)), 99924#(or (= main_x main_y) (<= (select main_a main_x) 61)), 99927#(or (= main_x main_y) (<= (select main_a main_x) 64)), 99926#(or (<= (select main_a main_x) 63) (= main_x main_y)), 99929#(or (= main_x main_y) (<= (select main_a main_x) 66)), 99928#(or (<= (select main_a main_x) 65) (= main_x main_y)), 99931#(or (= main_x main_y) (<= (select main_a main_x) 68)), 99930#(or (<= (select main_a main_x) 67) (= main_x main_y)), 99933#(or (<= (select main_a main_x) 70) (= main_x main_y)), 99932#(or (= main_x main_y) (<= (select main_a main_x) 69)), 99935#(or (= main_x main_y) (<= (select main_a main_x) 72)), 99934#(or (<= (select main_a main_x) 71) (= main_x main_y)), 99937#(or (= main_x main_y) (<= (select main_a main_x) 74)), 99936#(or (<= (select main_a main_x) 73) (= main_x main_y)), 99939#(or (<= (select main_a main_x) 76) (= main_x main_y)), 99938#(or (= main_x main_y) (<= (select main_a main_x) 75)), 99941#(or (<= (select main_a main_x) 78) (= main_x main_y)), 99940#(or (<= (select main_a main_x) 77) (= main_x main_y)), 99943#(or (<= (select main_a main_x) 80) (= main_x main_y)), 99942#(or (<= (select main_a main_x) 79) (= main_x main_y)), 99945#(or (<= (select main_a main_x) 82) (= main_x main_y)), 99944#(or (<= (select main_a main_x) 81) (= main_x main_y)), 99947#(or (<= (select main_a main_x) 84) (= main_x main_y)), 99946#(or (= main_x main_y) (<= (select main_a main_x) 83)), 99949#(or (<= (select main_a main_x) 86) (= main_x main_y)), 99948#(or (<= (select main_a main_x) 85) (= main_x main_y)), 99951#(or (<= (select main_a main_x) 88) (= main_x main_y)), 99950#(or (<= (select main_a main_x) 87) (= main_x main_y)), 99953#(or (<= (select main_a main_x) 90) (= main_x main_y)), 99952#(or (<= (select main_a main_x) 89) (= main_x main_y)), 99955#(or (<= (select main_a main_x) 92) (= main_x main_y)), 99954#(or (= main_x main_y) (<= (select main_a main_x) 91)), 99957#(or (= main_x main_y) (<= (select main_a main_x) 94)), 99956#(or (<= (select main_a main_x) 93) (= main_x main_y)), 99959#(or (<= (select main_a main_x) 96) (= main_x main_y)), 99958#(or (<= (select main_a main_x) 95) (= main_x main_y)), 99961#(or (<= (select main_a main_x) 98) (= main_x main_y)), 99960#(or (= main_x main_y) (<= (select main_a main_x) 97)), 99963#(or (<= (select main_a main_x) 100) (= main_x main_y)), 99962#(or (<= (select main_a main_x) 99) (= main_x main_y)), 99965#(or (= main_x main_y) (<= (select main_a main_x) 102)), 99964#(or (<= (select main_a main_x) 101) (= main_x main_y)), 99967#(or (<= (select main_a main_x) 104) (= main_x main_y)), 99966#(or (<= (select main_a main_x) 103) (= main_x main_y)), 99969#(or (= main_x main_y) (<= (select main_a main_x) 106)), 99968#(or (= main_x main_y) (<= (select main_a main_x) 105)), 99971#(or (<= (select main_a main_x) 108) (= main_x main_y)), 99970#(or (<= (select main_a main_x) 107) (= main_x main_y)), 99973#(or (= main_x main_y) (<= (select main_a main_x) 110)), 99972#(or (= main_x main_y) (<= (select main_a main_x) 109)), 99975#(or (<= (select main_a main_x) 112) (= main_x main_y)), 99974#(or (<= (select main_a main_x) 111) (= main_x 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main_y)), 99993#(or (= main_x main_y) (<= (select main_a main_x) 130)), 99992#(or (= main_x main_y) (<= (select main_a main_x) 129)), 99995#(or (<= (select main_a main_x) 132) (= main_x main_y)), 99994#(or (<= (select main_a main_x) 131) (= main_x main_y)), 99997#(or (= main_x main_y) (<= (select main_a main_x) 134)), 99996#(or (= main_x main_y) (<= (select main_a main_x) 133)), 99999#(or (<= (select main_a main_x) 136) (= main_x main_y)), 99998#(or (= main_x main_y) (<= (select main_a main_x) 135)), 100001#(or (= main_x main_y) (<= (select main_a main_x) 138)), 100000#(or (<= (select main_a main_x) 137) (= main_x main_y)), 100003#(or (<= (select main_a main_x) 140) (= main_x main_y)), 100002#(or (= main_x main_y) (<= (select main_a main_x) 139)), 100005#(or (= main_x main_y) (<= (select main_a main_x) 142)), 100004#(or (<= (select main_a main_x) 141) (= main_x main_y)), 100007#(or (<= (select main_a main_x) 144) (= main_x main_y)), 100006#(or (= main_x main_y) (<= (select main_a main_x) 143)), 100009#(or (<= (select main_a main_x) 146) (= main_x main_y)), 100008#(or (= main_x main_y) (<= (select main_a main_x) 145)), 100011#(or (<= (select main_a main_x) 148) (= main_x main_y)), 100010#(or (= main_x main_y) (<= (select main_a main_x) 147)), 100013#(or (= main_x main_y) (<= (select main_a main_x) 150)), 100012#(or (= main_x main_y) (<= (select main_a main_x) 149)), 100015#(or (<= (select main_a main_x) 152) (= main_x main_y)), 100014#(or (<= (select main_a main_x) 151) (= main_x main_y)), 100017#(or (<= (select main_a main_x) 154) (= main_x main_y)), 100016#(or (<= (select main_a main_x) 153) (= main_x main_y)), 100019#(or (<= (select main_a main_x) 156) (= main_x main_y)), 100018#(or (<= (select main_a main_x) 155) (= main_x main_y)), 100021#(or (<= (select main_a main_x) 158) (= main_x main_y)), 100020#(or (<= (select main_a main_x) 157) (= main_x main_y)), 100023#(or (= main_x main_y) (<= (select main_a main_x) 160)), 100022#(or (<= (select main_a main_x) 159) (= main_x main_y)), 100025#(or (= main_x main_y) (<= (select main_a main_x) 162)), 100024#(or (<= (select main_a main_x) 161) (= main_x main_y)), 100027#(or (<= (select main_a main_x) 164) (= main_x main_y)), 100026#(or (<= (select main_a main_x) 163) (= main_x main_y)), 100029#(or (= main_x main_y) (<= (select main_a main_x) 166)), 100028#(or (<= (select main_a main_x) 165) (= main_x main_y)), 100031#(or (<= (select main_a main_x) 168) (= main_x main_y)), 100030#(or (= main_x main_y) (<= (select main_a main_x) 167)), 100033#(or (= main_x main_y) (<= (select main_a main_x) 170)), 100032#(or (= main_x main_y) (<= (select main_a main_x) 169)), 100035#(or (= main_x main_y) (<= (select main_a main_x) 172)), 100034#(or (= main_x main_y) (<= (select main_a main_x) 171)), 100037#(or (= main_x main_y) (<= (select main_a main_x) 174)), 100036#(or (= main_x main_y) (<= (select main_a main_x) 173)), 100039#(or (= main_x main_y) (<= (select main_a main_x) 176)), 100038#(or (<= (select main_a main_x) 175) (= main_x main_y)), 100041#(or (= main_x main_y) (<= (select main_a main_x) 178)), 100040#(or (= main_x main_y) (<= (select main_a main_x) 177)), 100043#(or (<= (select main_a main_x) 180) (= main_x main_y)), 100042#(or (<= (select main_a main_x) 179) (= main_x main_y)), 100045#(or (<= (select main_a main_x) 182) (= main_x main_y)), 100044#(or (<= (select main_a main_x) 181) (= main_x main_y)), 100047#(or (<= (select main_a main_x) 184) (= main_x main_y)), 100046#(or (= main_x main_y) (<= (select main_a main_x) 183)), 100049#(or (= main_x main_y) (<= (select main_a main_x) 186)), 100048#(or (<= (select main_a main_x) 185) (= main_x main_y)), 100051#(or (= main_x main_y) (<= (select main_a main_x) 188)), 100050#(or (= main_x main_y) (<= (select main_a main_x) 187)), 100053#(or (<= (select main_a main_x) 190) (= main_x main_y)), 100052#(or (<= (select main_a main_x) 189) (= main_x main_y)), 100055#(or (<= (select main_a main_x) 192) (= main_x main_y)), 100054#(or (<= (select main_a main_x) 191) (= main_x main_y)), 100057#(or (<= (select main_a main_x) 194) (= main_x main_y)), 100056#(or (<= (select main_a main_x) 193) (= main_x main_y)), 100058#(or (not (= (select main_a main_x) 1000)) (= main_x main_y))] [2018-07-23 13:59:39,646 INFO L134 CoverageAnalysis]: Checked inductivity of 19110 backedges. 0 proven. 19110 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-07-23 13:59:39,646 INFO L450 AbstractCegarLoop]: Interpolant automaton has 198 states [2018-07-23 13:59:39,648 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 198 interpolants. [2018-07-23 13:59:39,650 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=19503, Invalid=19503, Unknown=0, NotChecked=0, Total=39006 [2018-07-23 13:59:39,650 INFO L87 Difference]: Start difference. First operand 199 states and 199 transitions. Second operand 198 states. [2018-07-23 13:59:40,984 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-07-23 13:59:40,984 INFO L93 Difference]: Finished difference Result 202 states and 202 transitions. [2018-07-23 13:59:40,984 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 198 states. [2018-07-23 13:59:40,984 INFO L78 Accepts]: Start accepts. Automaton has 198 states. Word has length 198 [2018-07-23 13:59:40,984 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-07-23 13:59:40,985 INFO L225 Difference]: With dead ends: 202 [2018-07-23 13:59:40,985 INFO L226 Difference]: Without dead ends: 200 [2018-07-23 13:59:40,987 INFO L575 BasicCegarLoop]: 0 DeclaredPredicates, 197 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 196 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 1.9s TimeCoverageRelationStatistics Valid=19503, Invalid=19503, Unknown=0, NotChecked=0, Total=39006 [2018-07-23 13:59:40,987 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 200 states. [2018-07-23 13:59:40,997 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 200 to 200. [2018-07-23 13:59:40,997 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 200 states. [2018-07-23 13:59:40,997 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 200 states to 200 states and 200 transitions. [2018-07-23 13:59:40,997 INFO L78 Accepts]: Start accepts. Automaton has 200 states and 200 transitions. Word has length 198 [2018-07-23 13:59:40,997 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-07-23 13:59:40,997 INFO L471 AbstractCegarLoop]: Abstraction has 200 states and 200 transitions. [2018-07-23 13:59:40,998 INFO L472 AbstractCegarLoop]: Interpolant automaton has 198 states. [2018-07-23 13:59:40,998 INFO L276 IsEmpty]: Start isEmpty. Operand 200 states and 200 transitions. [2018-07-23 13:59:40,998 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 200 [2018-07-23 13:59:40,998 INFO L349 BasicCegarLoop]: Found error trace [2018-07-23 13:59:40,998 INFO L357 BasicCegarLoop]: trace histogram [196, 1, 1, 1] [2018-07-23 13:59:40,998 INFO L414 AbstractCegarLoop]: === Iteration 197 === [mainErr0AssertViolationASSERT]=== [2018-07-23 13:59:40,998 INFO L82 PathProgramCache]: Analyzing trace with hash 1986893536, now seen corresponding path program 196 times [2018-07-23 13:59:40,998 INFO L69 tionRefinementEngine]: Using refinement strategy FixedRefinementStrategy [2018-07-23 13:59:41,319 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-07-23 13:59:43,480 INFO L134 CoverageAnalysis]: Checked inductivity of 19306 backedges. 0 proven. 19306 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-07-23 13:59:43,480 INFO L309 seRefinementStrategy]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2018-07-23 13:59:43,480 INFO L324 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [198] total 198 [2018-07-23 13:59:43,480 INFO L142 lantAutomatonBuilder]: Constructing canonical interpolant automaton, with selfloop in false state [2018-07-23 13:59:43,481 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-07-23 13:59:43,481 INFO L185 omatonBuilderFactory]: Interpolants [100865#(or (= 0 (select main_a main_x)) (= main_x main_y)), 100864#false, 100867#(or (= main_x main_y) (<= (select main_a main_x) 2)), 100866#(or (<= (select main_a main_x) 1) (= main_x main_y)), 100869#(or (<= (select main_a main_x) 4) (= main_x main_y)), 100868#(or (= main_x main_y) (<= (select main_a main_x) 3)), 100871#(or (<= (select main_a main_x) 6) (= main_x main_y)), 100870#(or (<= (select main_a main_x) 5) (= main_x main_y)), 100873#(or (<= (select main_a main_x) 8) (= main_x main_y)), 100872#(or (<= (select main_a main_x) 7) (= main_x main_y)), 100875#(or (= main_x main_y) (<= (select main_a main_x) 10)), 100874#(or (= main_x main_y) (<= (select main_a main_x) 9)), 100877#(or (<= (select main_a main_x) 12) (= main_x main_y)), 100876#(or (= main_x main_y) (<= (select main_a main_x) 11)), 100879#(or (<= (select main_a main_x) 14) (= main_x main_y)), 100878#(or (= main_x main_y) (<= (select main_a main_x) 13)), 100881#(or (<= (select main_a main_x) 16) (= main_x main_y)), 100880#(or (<= (select main_a main_x) 15) (= main_x main_y)), 100883#(or (<= (select main_a main_x) 18) (= main_x main_y)), 100882#(or (= main_x main_y) (<= (select main_a main_x) 17)), 100885#(or (= main_x main_y) (<= (select main_a main_x) 20)), 100884#(or (<= (select main_a main_x) 19) (= main_x main_y)), 100887#(or (= main_x main_y) (<= (select main_a main_x) 22)), 100886#(or (<= (select main_a main_x) 21) (= main_x main_y)), 100889#(or (<= (select main_a main_x) 24) (= main_x main_y)), 100888#(or (= main_x main_y) (<= (select main_a main_x) 23)), 100891#(or (<= (select main_a main_x) 26) (= main_x main_y)), 100890#(or (= main_x main_y) (<= (select main_a main_x) 25)), 100893#(or (<= (select main_a main_x) 28) (= main_x main_y)), 100892#(or (<= (select main_a main_x) 27) (= main_x main_y)), 100895#(or (= main_x main_y) (<= (select main_a main_x) 30)), 100894#(or (<= (select main_a main_x) 29) (= main_x main_y)), 100897#(or (<= (select main_a main_x) 32) (= main_x main_y)), 100896#(or (<= (select main_a main_x) 31) (= main_x main_y)), 100899#(or (<= (select main_a main_x) 34) (= main_x main_y)), 100898#(or (<= (select main_a main_x) 33) (= main_x main_y)), 100901#(or (<= (select main_a main_x) 36) (= main_x main_y)), 100900#(or (<= (select main_a main_x) 35) (= main_x main_y)), 100903#(or (<= (select main_a main_x) 38) (= main_x main_y)), 100902#(or (<= (select main_a main_x) 37) (= main_x main_y)), 100905#(or (<= (select main_a main_x) 40) (= main_x main_y)), 100904#(or (<= (select main_a main_x) 39) (= main_x main_y)), 100907#(or (<= (select main_a main_x) 42) (= main_x main_y)), 100906#(or (<= (select main_a main_x) 41) (= main_x main_y)), 100909#(or (= main_x main_y) (<= (select main_a main_x) 44)), 100908#(or (= main_x main_y) (<= (select main_a main_x) 43)), 100911#(or (<= (select main_a main_x) 46) (= main_x main_y)), 100910#(or (= main_x main_y) (<= (select main_a main_x) 45)), 100913#(or (<= (select main_a main_x) 48) (= main_x main_y)), 100912#(or (<= (select main_a main_x) 47) (= main_x main_y)), 100915#(or (<= (select main_a main_x) 50) (= main_x main_y)), 100914#(or (<= (select main_a main_x) 49) (= main_x main_y)), 100917#(or (= main_x main_y) (<= (select main_a main_x) 52)), 100916#(or (<= (select main_a main_x) 51) (= main_x main_y)), 100919#(or (<= (select main_a main_x) 54) (= main_x main_y)), 100918#(or (<= (select main_a main_x) 53) (= main_x main_y)), 100921#(or (= main_x main_y) (<= (select main_a main_x) 56)), 100920#(or (<= (select main_a main_x) 55) (= main_x main_y)), 100923#(or (<= (select main_a main_x) 58) (= main_x main_y)), 100922#(or (<= (select main_a main_x) 57) (= main_x main_y)), 100925#(or (= main_x main_y) (<= (select main_a main_x) 60)), 100924#(or (= main_x main_y) (<= (select main_a main_x) 59)), 100927#(or (<= (select main_a main_x) 62) (= main_x main_y)), 100926#(or (= main_x main_y) (<= (select main_a main_x) 61)), 100929#(or (= main_x main_y) (<= (select main_a main_x) 64)), 100928#(or (<= (select main_a main_x) 63) (= main_x main_y)), 100931#(or (= main_x main_y) (<= (select main_a main_x) 66)), 100930#(or (<= (select main_a main_x) 65) (= main_x main_y)), 100933#(or (= main_x main_y) (<= (select main_a main_x) 68)), 100932#(or (<= (select main_a main_x) 67) (= main_x main_y)), 100935#(or (<= (select main_a main_x) 70) (= main_x main_y)), 100934#(or (= main_x main_y) (<= (select main_a main_x) 69)), 100937#(or (= main_x main_y) (<= (select main_a main_x) 72)), 100936#(or (<= (select main_a main_x) 71) (= main_x main_y)), 100939#(or (= main_x main_y) (<= (select main_a main_x) 74)), 100938#(or (<= (select main_a main_x) 73) (= main_x main_y)), 100941#(or (<= (select main_a main_x) 76) (= main_x main_y)), 100940#(or (= main_x main_y) (<= (select main_a main_x) 75)), 100943#(or (<= (select main_a main_x) 78) (= main_x main_y)), 100942#(or (<= (select main_a main_x) 77) (= main_x main_y)), 100945#(or (<= (select main_a main_x) 80) (= main_x main_y)), 100944#(or (<= (select main_a main_x) 79) (= main_x main_y)), 100947#(or (<= (select main_a main_x) 82) (= main_x main_y)), 100946#(or (<= (select main_a main_x) 81) (= main_x main_y)), 100949#(or (<= (select main_a main_x) 84) (= main_x main_y)), 100948#(or (= main_x main_y) (<= (select main_a main_x) 83)), 100951#(or (<= (select main_a main_x) 86) (= main_x main_y)), 100950#(or (<= (select main_a main_x) 85) (= main_x main_y)), 100953#(or (<= (select main_a main_x) 88) (= main_x main_y)), 100952#(or (<= (select main_a main_x) 87) (= main_x main_y)), 100955#(or (<= (select main_a main_x) 90) (= main_x main_y)), 100954#(or (<= (select main_a main_x) 89) (= main_x main_y)), 100957#(or (<= (select main_a main_x) 92) (= main_x main_y)), 100956#(or (= main_x main_y) (<= (select main_a main_x) 91)), 100959#(or (= main_x main_y) (<= (select main_a main_x) 94)), 100958#(or (<= (select main_a main_x) 93) (= main_x main_y)), 100961#(or (<= (select main_a main_x) 96) (= main_x main_y)), 100960#(or (<= (select main_a main_x) 95) (= main_x main_y)), 100963#(or (<= (select main_a main_x) 98) (= main_x main_y)), 100962#(or (= main_x main_y) (<= (select main_a main_x) 97)), 100965#(or (<= (select main_a main_x) 100) (= main_x main_y)), 100964#(or (<= (select main_a main_x) 99) (= main_x main_y)), 100967#(or (= main_x main_y) (<= (select main_a main_x) 102)), 100966#(or (<= (select main_a main_x) 101) (= main_x main_y)), 100969#(or (<= (select main_a main_x) 104) (= main_x main_y)), 100968#(or (<= (select main_a main_x) 103) (= main_x main_y)), 100971#(or (= main_x main_y) (<= (select main_a main_x) 106)), 100970#(or (= main_x main_y) (<= (select main_a main_x) 105)), 100973#(or (<= (select main_a main_x) 108) (= main_x main_y)), 100972#(or (<= (select main_a main_x) 107) (= main_x main_y)), 100975#(or (= main_x main_y) (<= (select main_a main_x) 110)), 100974#(or (= main_x main_y) (<= (select main_a main_x) 109)), 100977#(or (<= (select main_a main_x) 112) (= main_x main_y)), 100976#(or (<= (select main_a main_x) 111) (= main_x main_y)), 100979#(or (= main_x main_y) (<= (select main_a main_x) 114)), 100978#(or (<= (select main_a main_x) 113) (= main_x main_y)), 100981#(or (<= (select main_a main_x) 116) (= main_x main_y)), 100980#(or (= main_x main_y) (<= (select main_a main_x) 115)), 100983#(or (= main_x main_y) (<= (select main_a main_x) 118)), 100982#(or (<= (select main_a main_x) 117) (= main_x main_y)), 100985#(or (<= (select main_a main_x) 120) (= main_x main_y)), 100984#(or (= main_x main_y) (<= (select main_a main_x) 119)), 100987#(or (<= (select main_a main_x) 122) (= main_x main_y)), 100986#(or (= main_x main_y) (<= (select main_a main_x) 121)), 100989#(or (= main_x main_y) (<= (select main_a main_x) 124)), 100988#(or (= main_x main_y) (<= (select main_a main_x) 123)), 100991#(or (= main_x main_y) (<= (select main_a main_x) 126)), 100990#(or (<= (select main_a main_x) 125) (= main_x main_y)), 100993#(or (= main_x main_y) (<= (select main_a main_x) 128)), 100992#(or (<= (select main_a main_x) 127) (= main_x main_y)), 100995#(or (= main_x main_y) (<= (select main_a main_x) 130)), 100994#(or (= main_x main_y) (<= (select main_a main_x) 129)), 100997#(or (<= (select main_a main_x) 132) (= main_x main_y)), 100996#(or (<= (select main_a main_x) 131) (= main_x main_y)), 100999#(or (= main_x main_y) (<= (select main_a main_x) 134)), 100998#(or (= main_x main_y) (<= (select main_a main_x) 133)), 101001#(or (<= (select main_a main_x) 136) (= main_x main_y)), 101000#(or (= main_x main_y) (<= (select main_a main_x) 135)), 101003#(or (= main_x main_y) (<= (select main_a main_x) 138)), 101002#(or (<= (select main_a main_x) 137) (= main_x main_y)), 101005#(or (<= (select main_a main_x) 140) (= main_x main_y)), 101004#(or (= main_x main_y) (<= (select main_a main_x) 139)), 101007#(or (= main_x main_y) (<= (select main_a main_x) 142)), 101006#(or (<= (select main_a main_x) 141) (= main_x main_y)), 101009#(or (<= (select main_a main_x) 144) (= main_x main_y)), 101008#(or (= main_x main_y) (<= (select main_a main_x) 143)), 101011#(or (<= (select main_a main_x) 146) (= main_x main_y)), 101010#(or (= main_x main_y) (<= (select main_a main_x) 145)), 101013#(or (<= (select main_a main_x) 148) (= main_x main_y)), 101012#(or (= main_x main_y) (<= (select main_a main_x) 147)), 101015#(or (= main_x main_y) (<= (select main_a main_x) 150)), 101014#(or (= main_x main_y) (<= (select main_a main_x) 149)), 101017#(or (<= (select main_a main_x) 152) (= main_x main_y)), 101016#(or (<= (select main_a main_x) 151) (= main_x main_y)), 101019#(or (<= (select main_a main_x) 154) (= main_x main_y)), 101018#(or (<= (select main_a main_x) 153) (= main_x main_y)), 101021#(or (<= (select main_a main_x) 156) (= main_x main_y)), 101020#(or (<= (select main_a main_x) 155) (= main_x main_y)), 101023#(or (<= (select main_a main_x) 158) (= main_x main_y)), 101022#(or (<= (select main_a main_x) 157) (= main_x main_y)), 101025#(or (= main_x main_y) (<= (select main_a main_x) 160)), 101024#(or (<= (select main_a main_x) 159) (= main_x main_y)), 101027#(or (= main_x main_y) (<= (select main_a main_x) 162)), 101026#(or (<= (select main_a main_x) 161) (= main_x main_y)), 101029#(or (<= (select main_a main_x) 164) (= main_x main_y)), 101028#(or (<= (select main_a main_x) 163) (= main_x main_y)), 101031#(or (= main_x main_y) (<= (select main_a main_x) 166)), 101030#(or (<= (select main_a main_x) 165) (= main_x main_y)), 101033#(or (<= (select main_a main_x) 168) (= main_x main_y)), 101032#(or (= main_x main_y) (<= (select main_a main_x) 167)), 101035#(or (= main_x main_y) (<= (select main_a main_x) 170)), 101034#(or (= main_x main_y) (<= (select main_a main_x) 169)), 101037#(or (= main_x main_y) (<= (select main_a main_x) 172)), 101036#(or (= main_x main_y) (<= (select main_a main_x) 171)), 101039#(or (= main_x main_y) (<= (select main_a main_x) 174)), 101038#(or (= main_x main_y) (<= (select main_a main_x) 173)), 101041#(or (= main_x main_y) (<= (select main_a main_x) 176)), 101040#(or (<= (select main_a main_x) 175) (= main_x main_y)), 101043#(or (= main_x main_y) (<= (select main_a main_x) 178)), 101042#(or (= main_x main_y) (<= (select main_a main_x) 177)), 101045#(or (<= (select main_a main_x) 180) (= main_x main_y)), 101044#(or (<= (select main_a main_x) 179) (= main_x main_y)), 101047#(or (<= (select main_a main_x) 182) (= main_x main_y)), 101046#(or (<= (select main_a main_x) 181) (= main_x main_y)), 101049#(or (<= (select main_a main_x) 184) (= main_x main_y)), 101048#(or (= main_x main_y) (<= (select main_a main_x) 183)), 101051#(or (= main_x main_y) (<= (select main_a main_x) 186)), 101050#(or (<= (select main_a main_x) 185) (= main_x main_y)), 101053#(or (= main_x main_y) (<= (select main_a main_x) 188)), 101052#(or (= main_x main_y) (<= (select main_a main_x) 187)), 101055#(or (<= (select main_a main_x) 190) (= main_x main_y)), 101054#(or (<= (select main_a main_x) 189) (= main_x main_y)), 101057#(or (<= (select main_a main_x) 192) (= main_x main_y)), 101056#(or (<= (select main_a main_x) 191) (= main_x main_y)), 101059#(or (<= (select main_a main_x) 194) (= main_x main_y)), 101058#(or (<= (select main_a main_x) 193) (= main_x main_y)), 101061#(or (not (= (select main_a main_x) 1000)) (= main_x main_y)), 101060#(or (<= (select main_a main_x) 195) (= main_x main_y)), 100863#true] [2018-07-23 13:59:43,482 INFO L134 CoverageAnalysis]: Checked inductivity of 19306 backedges. 0 proven. 19306 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-07-23 13:59:43,482 INFO L450 AbstractCegarLoop]: Interpolant automaton has 199 states [2018-07-23 13:59:43,484 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 199 interpolants. [2018-07-23 13:59:43,485 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=19701, Invalid=19701, Unknown=0, NotChecked=0, Total=39402 [2018-07-23 13:59:43,486 INFO L87 Difference]: Start difference. First operand 200 states and 200 transitions. Second operand 199 states. [2018-07-23 13:59:44,838 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-07-23 13:59:44,838 INFO L93 Difference]: Finished difference Result 203 states and 203 transitions. [2018-07-23 13:59:44,838 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 199 states. [2018-07-23 13:59:44,838 INFO L78 Accepts]: Start accepts. Automaton has 199 states. Word has length 199 [2018-07-23 13:59:44,839 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-07-23 13:59:44,839 INFO L225 Difference]: With dead ends: 203 [2018-07-23 13:59:44,839 INFO L226 Difference]: Without dead ends: 201 [2018-07-23 13:59:44,841 INFO L575 BasicCegarLoop]: 0 DeclaredPredicates, 198 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 197 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 1.9s TimeCoverageRelationStatistics Valid=19701, Invalid=19701, Unknown=0, NotChecked=0, Total=39402 [2018-07-23 13:59:44,842 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 201 states. [2018-07-23 13:59:44,856 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 201 to 201. [2018-07-23 13:59:44,856 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 201 states. [2018-07-23 13:59:44,857 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 201 states to 201 states and 201 transitions. [2018-07-23 13:59:44,857 INFO L78 Accepts]: Start accepts. Automaton has 201 states and 201 transitions. Word has length 199 [2018-07-23 13:59:44,857 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-07-23 13:59:44,857 INFO L471 AbstractCegarLoop]: Abstraction has 201 states and 201 transitions. [2018-07-23 13:59:44,857 INFO L472 AbstractCegarLoop]: Interpolant automaton has 199 states. [2018-07-23 13:59:44,857 INFO L276 IsEmpty]: Start isEmpty. Operand 201 states and 201 transitions. [2018-07-23 13:59:44,858 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 201 [2018-07-23 13:59:44,858 INFO L349 BasicCegarLoop]: Found error trace [2018-07-23 13:59:44,858 INFO L357 BasicCegarLoop]: trace histogram [197, 1, 1, 1] [2018-07-23 13:59:44,858 INFO L414 AbstractCegarLoop]: === Iteration 198 === [mainErr0AssertViolationASSERT]=== [2018-07-23 13:59:44,859 INFO L82 PathProgramCache]: Analyzing trace with hash 1464153606, now seen corresponding path program 197 times [2018-07-23 13:59:44,859 INFO L69 tionRefinementEngine]: Using refinement strategy FixedRefinementStrategy [2018-07-23 13:59:45,252 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-07-23 13:59:47,452 INFO L134 CoverageAnalysis]: Checked inductivity of 19503 backedges. 0 proven. 19503 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-07-23 13:59:47,452 INFO L309 seRefinementStrategy]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2018-07-23 13:59:47,453 INFO L324 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [199] total 199 [2018-07-23 13:59:47,453 INFO L142 lantAutomatonBuilder]: Constructing canonical interpolant automaton, with selfloop in false state [2018-07-23 13:59:47,453 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-07-23 13:59:47,453 INFO L185 omatonBuilderFactory]: Interpolants [101889#(or (= main_x main_y) (<= (select main_a main_x) 17)), 101888#(or (<= (select main_a main_x) 16) (= main_x main_y)), 101891#(or (<= (select main_a main_x) 19) (= main_x main_y)), 101890#(or (<= (select main_a main_x) 18) (= main_x main_y)), 101893#(or (<= (select main_a main_x) 21) (= main_x main_y)), 101892#(or (= main_x main_y) (<= (select main_a main_x) 20)), 101895#(or (= main_x main_y) (<= (select main_a main_x) 23)), 101894#(or (= main_x main_y) (<= (select main_a main_x) 22)), 101897#(or (= main_x main_y) (<= (select main_a main_x) 25)), 101896#(or (<= (select main_a main_x) 24) (= main_x main_y)), 101899#(or (<= (select main_a main_x) 27) (= main_x main_y)), 101898#(or (<= (select main_a main_x) 26) (= main_x main_y)), 101901#(or (<= (select main_a main_x) 29) (= main_x main_y)), 101900#(or (<= (select main_a main_x) 28) (= main_x main_y)), 101903#(or (<= (select main_a main_x) 31) (= main_x main_y)), 101902#(or (= main_x main_y) (<= (select main_a main_x) 30)), 101905#(or (<= (select main_a main_x) 33) (= main_x main_y)), 101904#(or (<= (select main_a main_x) 32) (= main_x main_y)), 101907#(or (<= (select main_a main_x) 35) (= main_x main_y)), 101906#(or (<= (select main_a main_x) 34) (= main_x main_y)), 101909#(or (<= (select main_a main_x) 37) (= main_x main_y)), 101908#(or (<= (select main_a main_x) 36) (= main_x main_y)), 101911#(or (<= (select main_a main_x) 39) (= main_x main_y)), 101910#(or (<= (select main_a main_x) 38) (= main_x main_y)), 101913#(or (<= (select main_a main_x) 41) (= main_x main_y)), 101912#(or (<= (select main_a main_x) 40) (= main_x main_y)), 101915#(or (= main_x main_y) (<= (select main_a main_x) 43)), 101914#(or (<= (select main_a main_x) 42) (= main_x main_y)), 101917#(or (= main_x main_y) (<= (select main_a main_x) 45)), 101916#(or (= main_x main_y) (<= (select main_a main_x) 44)), 101919#(or (<= (select main_a main_x) 47) (= main_x main_y)), 101918#(or (<= (select main_a main_x) 46) (= main_x main_y)), 101921#(or (<= (select main_a main_x) 49) (= main_x main_y)), 101920#(or (<= (select main_a main_x) 48) (= main_x main_y)), 101923#(or (<= (select main_a main_x) 51) (= main_x main_y)), 101922#(or (<= (select main_a main_x) 50) (= main_x main_y)), 101925#(or (<= (select main_a main_x) 53) (= main_x main_y)), 101924#(or (= main_x main_y) (<= (select main_a main_x) 52)), 101927#(or (<= (select main_a main_x) 55) (= main_x main_y)), 101926#(or (<= (select main_a main_x) 54) (= main_x main_y)), 101929#(or (<= (select main_a main_x) 57) (= main_x main_y)), 101928#(or (= main_x main_y) (<= (select main_a main_x) 56)), 101931#(or (= main_x main_y) (<= (select main_a main_x) 59)), 101930#(or (<= (select main_a main_x) 58) (= main_x main_y)), 101933#(or (= main_x main_y) (<= (select main_a main_x) 61)), 101932#(or (= main_x main_y) (<= (select main_a main_x) 60)), 101935#(or (<= (select main_a main_x) 63) (= main_x main_y)), 101934#(or (<= (select main_a main_x) 62) (= main_x main_y)), 101937#(or (<= (select main_a main_x) 65) (= main_x main_y)), 101936#(or (= main_x main_y) (<= (select main_a main_x) 64)), 101939#(or (<= (select main_a main_x) 67) (= main_x main_y)), 101938#(or (= main_x main_y) (<= (select main_a main_x) 66)), 101941#(or (= main_x main_y) (<= (select main_a main_x) 69)), 101940#(or (= main_x main_y) (<= (select main_a main_x) 68)), 101943#(or (<= (select main_a main_x) 71) (= main_x main_y)), 101942#(or (<= (select main_a main_x) 70) (= main_x main_y)), 101945#(or (<= (select main_a main_x) 73) (= main_x main_y)), 101944#(or (= main_x main_y) (<= (select main_a main_x) 72)), 101947#(or (= main_x main_y) (<= (select main_a main_x) 75)), 101946#(or (= main_x main_y) (<= (select main_a main_x) 74)), 101949#(or (<= (select main_a main_x) 77) (= main_x main_y)), 101948#(or (<= (select main_a main_x) 76) (= main_x main_y)), 101951#(or (<= (select main_a main_x) 79) (= main_x main_y)), 101950#(or (<= (select main_a main_x) 78) (= main_x main_y)), 101953#(or (<= (select main_a main_x) 81) (= main_x main_y)), 101952#(or (<= (select main_a main_x) 80) (= main_x main_y)), 101955#(or (= main_x main_y) (<= (select main_a main_x) 83)), 101954#(or (<= (select main_a main_x) 82) (= main_x main_y)), 101957#(or (<= (select main_a main_x) 85) (= main_x main_y)), 101956#(or (<= (select main_a main_x) 84) (= main_x main_y)), 101959#(or (<= (select main_a main_x) 87) (= main_x main_y)), 101958#(or (<= (select main_a main_x) 86) (= main_x main_y)), 101961#(or (<= (select main_a main_x) 89) (= main_x main_y)), 101960#(or (<= (select main_a main_x) 88) (= main_x main_y)), 101963#(or (= main_x main_y) (<= (select main_a main_x) 91)), 101962#(or (<= (select main_a main_x) 90) (= main_x main_y)), 101965#(or (<= (select main_a main_x) 93) (= main_x main_y)), 101964#(or (<= (select main_a main_x) 92) (= main_x main_y)), 101967#(or (<= (select main_a main_x) 95) (= main_x main_y)), 101966#(or (= main_x main_y) (<= (select main_a main_x) 94)), 101969#(or (= main_x main_y) (<= (select main_a main_x) 97)), 101968#(or (<= (select main_a main_x) 96) (= main_x main_y)), 101971#(or (<= (select main_a main_x) 99) (= main_x main_y)), 101970#(or (<= (select main_a main_x) 98) (= main_x main_y)), 101973#(or (<= (select main_a main_x) 101) (= main_x main_y)), 101972#(or (<= (select main_a main_x) 100) (= main_x main_y)), 101975#(or (<= (select main_a main_x) 103) (= main_x main_y)), 101974#(or (= main_x main_y) (<= (select main_a main_x) 102)), 101977#(or (= main_x main_y) (<= (select main_a main_x) 105)), 101976#(or (<= (select main_a main_x) 104) (= main_x main_y)), 101979#(or (<= (select main_a main_x) 107) (= main_x main_y)), 101978#(or (= main_x main_y) (<= (select main_a main_x) 106)), 101981#(or (= main_x main_y) (<= (select main_a main_x) 109)), 101980#(or (<= (select main_a main_x) 108) (= main_x main_y)), 101983#(or (<= (select main_a main_x) 111) (= main_x main_y)), 101982#(or (= main_x main_y) (<= (select main_a main_x) 110)), 101985#(or (<= (select main_a main_x) 113) (= main_x main_y)), 101984#(or (<= (select main_a main_x) 112) (= main_x main_y)), 101987#(or (= main_x main_y) (<= (select main_a main_x) 115)), 101986#(or (= main_x main_y) (<= (select main_a main_x) 114)), 101989#(or (<= (select main_a main_x) 117) (= main_x main_y)), 101988#(or (<= (select main_a main_x) 116) (= main_x main_y)), 101991#(or (= main_x main_y) (<= (select main_a main_x) 119)), 101990#(or (= main_x main_y) (<= (select main_a main_x) 118)), 101993#(or (= main_x main_y) (<= (select main_a main_x) 121)), 101992#(or (<= (select main_a main_x) 120) (= main_x main_y)), 101995#(or (= main_x main_y) (<= (select main_a main_x) 123)), 101994#(or (<= (select main_a main_x) 122) (= main_x main_y)), 101997#(or (<= (select main_a main_x) 125) (= main_x main_y)), 101996#(or (= main_x main_y) (<= (select main_a main_x) 124)), 101999#(or (<= (select main_a main_x) 127) (= main_x main_y)), 101998#(or (= main_x main_y) (<= (select main_a main_x) 126)), 102001#(or (= main_x main_y) (<= (select main_a main_x) 129)), 102000#(or (= main_x main_y) (<= (select main_a main_x) 128)), 102003#(or (<= (select main_a main_x) 131) (= main_x main_y)), 102002#(or (= main_x main_y) (<= (select main_a main_x) 130)), 102005#(or (= main_x main_y) (<= (select main_a main_x) 133)), 102004#(or (<= (select main_a main_x) 132) (= main_x main_y)), 102007#(or (= main_x main_y) (<= (select main_a main_x) 135)), 102006#(or (= main_x main_y) (<= (select main_a main_x) 134)), 102009#(or (<= (select main_a main_x) 137) (= main_x main_y)), 102008#(or (<= (select main_a main_x) 136) (= main_x main_y)), 102011#(or (= main_x main_y) (<= (select main_a main_x) 139)), 102010#(or (= main_x main_y) (<= (select main_a main_x) 138)), 102013#(or (<= (select main_a main_x) 141) (= main_x main_y)), 102012#(or (<= (select main_a main_x) 140) (= main_x main_y)), 102015#(or (= main_x main_y) (<= (select main_a main_x) 143)), 102014#(or (= main_x main_y) (<= (select main_a main_x) 142)), 102017#(or (= main_x main_y) (<= (select main_a main_x) 145)), 102016#(or (<= (select main_a main_x) 144) (= main_x main_y)), 102019#(or (= main_x main_y) (<= (select main_a main_x) 147)), 102018#(or (<= (select main_a main_x) 146) (= main_x main_y)), 102021#(or (= main_x main_y) (<= (select main_a main_x) 149)), 102020#(or (<= (select main_a main_x) 148) (= main_x main_y)), 102023#(or (<= (select main_a main_x) 151) (= main_x main_y)), 102022#(or (= main_x main_y) (<= (select main_a main_x) 150)), 102025#(or (<= (select main_a main_x) 153) (= main_x main_y)), 102024#(or (<= (select main_a main_x) 152) (= main_x main_y)), 102027#(or (<= (select main_a main_x) 155) (= main_x main_y)), 102026#(or (<= (select main_a main_x) 154) (= main_x main_y)), 102029#(or (<= (select main_a main_x) 157) (= main_x main_y)), 102028#(or (<= (select main_a main_x) 156) (= main_x main_y)), 102031#(or (<= (select main_a main_x) 159) (= main_x main_y)), 102030#(or (<= (select main_a main_x) 158) (= main_x main_y)), 102033#(or (<= (select main_a main_x) 161) (= main_x main_y)), 102032#(or (= main_x main_y) (<= (select main_a main_x) 160)), 102035#(or (<= (select main_a main_x) 163) (= main_x main_y)), 102034#(or (= main_x main_y) (<= (select main_a main_x) 162)), 102037#(or (<= (select main_a main_x) 165) (= main_x main_y)), 102036#(or (<= (select main_a main_x) 164) (= main_x main_y)), 102039#(or (= main_x main_y) (<= (select main_a main_x) 167)), 102038#(or (= main_x main_y) (<= (select main_a main_x) 166)), 102041#(or (= main_x main_y) (<= (select main_a main_x) 169)), 102040#(or (<= (select main_a main_x) 168) (= main_x main_y)), 102043#(or (= main_x main_y) (<= (select main_a main_x) 171)), 102042#(or (= main_x main_y) (<= (select main_a main_x) 170)), 102045#(or (= main_x main_y) (<= (select main_a main_x) 173)), 102044#(or (= main_x main_y) (<= (select main_a main_x) 172)), 102047#(or (<= (select main_a main_x) 175) (= main_x main_y)), 102046#(or (= main_x main_y) (<= (select main_a main_x) 174)), 102049#(or (= main_x main_y) (<= (select main_a main_x) 177)), 102048#(or (= main_x main_y) (<= (select main_a main_x) 176)), 102051#(or (<= (select main_a main_x) 179) (= main_x main_y)), 102050#(or (= main_x main_y) (<= (select main_a main_x) 178)), 102053#(or (<= (select main_a main_x) 181) (= main_x main_y)), 102052#(or (<= (select main_a main_x) 180) (= main_x main_y)), 102055#(or (= main_x main_y) (<= (select main_a main_x) 183)), 102054#(or (<= (select main_a main_x) 182) (= main_x main_y)), 102057#(or (<= (select main_a main_x) 185) (= main_x main_y)), 102056#(or (<= (select main_a main_x) 184) (= main_x main_y)), 102059#(or (= main_x main_y) (<= (select main_a main_x) 187)), 102058#(or (= main_x main_y) (<= (select main_a main_x) 186)), 102061#(or (<= (select main_a main_x) 189) (= main_x main_y)), 102060#(or (= main_x main_y) (<= (select main_a main_x) 188)), 102063#(or (<= (select main_a main_x) 191) (= main_x main_y)), 102062#(or (<= (select main_a main_x) 190) (= main_x main_y)), 102065#(or (<= (select main_a main_x) 193) (= main_x main_y)), 102064#(or (<= (select main_a main_x) 192) (= main_x main_y)), 102067#(or (<= (select main_a main_x) 195) (= main_x main_y)), 102066#(or (<= (select main_a main_x) 194) (= main_x main_y)), 102069#(or (not (= (select main_a main_x) 1000)) (= main_x main_y)), 102068#(or (= main_x main_y) (<= (select main_a main_x) 196)), 101871#false, 101870#true, 101873#(or (<= (select main_a main_x) 1) (= main_x main_y)), 101872#(or (= 0 (select main_a main_x)) (= main_x main_y)), 101875#(or (= main_x main_y) (<= (select main_a main_x) 3)), 101874#(or (= main_x main_y) (<= (select main_a main_x) 2)), 101877#(or (<= (select main_a main_x) 5) (= main_x main_y)), 101876#(or (<= (select main_a main_x) 4) (= main_x main_y)), 101879#(or (<= (select main_a main_x) 7) (= main_x main_y)), 101878#(or (<= (select main_a main_x) 6) (= main_x main_y)), 101881#(or (= main_x main_y) (<= (select main_a main_x) 9)), 101880#(or (<= (select main_a main_x) 8) (= main_x main_y)), 101883#(or (= main_x main_y) (<= (select main_a main_x) 11)), 101882#(or (= main_x main_y) (<= (select main_a main_x) 10)), 101885#(or (= main_x main_y) (<= (select main_a main_x) 13)), 101884#(or (<= (select main_a main_x) 12) (= main_x main_y)), 101887#(or (<= (select main_a main_x) 15) (= main_x main_y)), 101886#(or (<= (select main_a main_x) 14) (= main_x main_y))] [2018-07-23 13:59:47,454 INFO L134 CoverageAnalysis]: Checked inductivity of 19503 backedges. 0 proven. 19503 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-07-23 13:59:47,454 INFO L450 AbstractCegarLoop]: Interpolant automaton has 200 states [2018-07-23 13:59:47,456 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 200 interpolants. [2018-07-23 13:59:47,457 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=19900, Invalid=19900, Unknown=0, NotChecked=0, Total=39800 [2018-07-23 13:59:47,457 INFO L87 Difference]: Start difference. First operand 201 states and 201 transitions. Second operand 200 states. [2018-07-23 13:59:48,632 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-07-23 13:59:48,632 INFO L93 Difference]: Finished difference Result 204 states and 204 transitions. [2018-07-23 13:59:48,632 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 200 states. [2018-07-23 13:59:48,632 INFO L78 Accepts]: Start accepts. Automaton has 200 states. Word has length 200 [2018-07-23 13:59:48,633 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-07-23 13:59:48,633 INFO L225 Difference]: With dead ends: 204 [2018-07-23 13:59:48,633 INFO L226 Difference]: Without dead ends: 202 [2018-07-23 13:59:48,635 INFO L575 BasicCegarLoop]: 0 DeclaredPredicates, 199 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 198 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 1.9s TimeCoverageRelationStatistics Valid=19900, Invalid=19900, Unknown=0, NotChecked=0, Total=39800 [2018-07-23 13:59:48,635 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 202 states. [2018-07-23 13:59:48,645 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 202 to 202. [2018-07-23 13:59:48,646 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 202 states. [2018-07-23 13:59:48,646 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 202 states to 202 states and 202 transitions. [2018-07-23 13:59:48,646 INFO L78 Accepts]: Start accepts. Automaton has 202 states and 202 transitions. Word has length 200 [2018-07-23 13:59:48,646 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-07-23 13:59:48,646 INFO L471 AbstractCegarLoop]: Abstraction has 202 states and 202 transitions. [2018-07-23 13:59:48,646 INFO L472 AbstractCegarLoop]: Interpolant automaton has 200 states. [2018-07-23 13:59:48,646 INFO L276 IsEmpty]: Start isEmpty. Operand 202 states and 202 transitions. [2018-07-23 13:59:48,647 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 202 [2018-07-23 13:59:48,647 INFO L349 BasicCegarLoop]: Found error trace [2018-07-23 13:59:48,647 INFO L357 BasicCegarLoop]: trace histogram [198, 1, 1, 1] [2018-07-23 13:59:48,647 INFO L414 AbstractCegarLoop]: === Iteration 199 === [mainErr0AssertViolationASSERT]=== [2018-07-23 13:59:48,647 INFO L82 PathProgramCache]: Analyzing trace with hash -1855882336, now seen corresponding path program 198 times [2018-07-23 13:59:48,647 INFO L69 tionRefinementEngine]: Using refinement strategy FixedRefinementStrategy [2018-07-23 13:59:48,974 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-07-23 13:59:51,146 INFO L134 CoverageAnalysis]: Checked inductivity of 19701 backedges. 0 proven. 19701 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-07-23 13:59:51,147 INFO L309 seRefinementStrategy]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2018-07-23 13:59:51,147 INFO L324 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [200] total 200 [2018-07-23 13:59:51,147 INFO L142 lantAutomatonBuilder]: Constructing canonical interpolant automaton, with selfloop in false state [2018-07-23 13:59:51,147 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-07-23 13:59:51,147 INFO L185 omatonBuilderFactory]: Interpolants [102913#(or (<= (select main_a main_x) 29) (= main_x main_y)), 102912#(or (<= (select main_a main_x) 28) (= main_x main_y)), 102915#(or (<= (select main_a main_x) 31) (= main_x main_y)), 102914#(or (= main_x main_y) (<= (select main_a main_x) 30)), 102917#(or (<= (select main_a main_x) 33) (= main_x main_y)), 102916#(or (<= (select main_a main_x) 32) (= main_x main_y)), 102919#(or (<= (select main_a main_x) 35) (= main_x main_y)), 102918#(or (<= (select main_a main_x) 34) (= main_x main_y)), 102921#(or (<= (select main_a main_x) 37) (= main_x main_y)), 102920#(or (<= (select main_a main_x) 36) (= main_x main_y)), 102923#(or (<= (select main_a main_x) 39) (= main_x main_y)), 102922#(or (<= (select main_a main_x) 38) (= main_x main_y)), 102925#(or (<= (select main_a main_x) 41) (= main_x main_y)), 102924#(or (<= (select main_a main_x) 40) (= main_x main_y)), 102927#(or (= main_x main_y) (<= (select main_a main_x) 43)), 102926#(or (<= (select main_a main_x) 42) (= main_x main_y)), 102929#(or (= main_x main_y) (<= (select main_a main_x) 45)), 102928#(or (= main_x main_y) (<= (select main_a main_x) 44)), 102931#(or (<= (select main_a main_x) 47) (= main_x main_y)), 102930#(or (<= (select main_a main_x) 46) (= main_x main_y)), 102933#(or (<= (select main_a main_x) 49) (= main_x main_y)), 102932#(or (<= (select main_a main_x) 48) (= main_x main_y)), 102935#(or (<= (select main_a main_x) 51) (= main_x main_y)), 102934#(or (<= (select main_a main_x) 50) (= main_x main_y)), 102937#(or (<= (select main_a main_x) 53) (= main_x main_y)), 102936#(or (= main_x main_y) (<= (select main_a main_x) 52)), 102939#(or (<= (select main_a main_x) 55) (= main_x main_y)), 102938#(or (<= (select main_a main_x) 54) (= main_x main_y)), 102941#(or (<= (select main_a main_x) 57) (= main_x main_y)), 102940#(or (= main_x main_y) (<= (select main_a main_x) 56)), 102943#(or (= main_x main_y) (<= (select main_a main_x) 59)), 102942#(or (<= (select main_a main_x) 58) (= main_x main_y)), 102945#(or (= main_x main_y) (<= (select main_a main_x) 61)), 102944#(or (= main_x main_y) (<= (select main_a main_x) 60)), 102947#(or (<= (select main_a main_x) 63) (= main_x main_y)), 102946#(or (<= (select main_a main_x) 62) (= main_x main_y)), 102949#(or (<= (select main_a main_x) 65) (= main_x main_y)), 102948#(or (= main_x main_y) (<= (select main_a main_x) 64)), 102951#(or (<= (select main_a main_x) 67) (= main_x main_y)), 102950#(or (= main_x main_y) (<= (select main_a main_x) 66)), 102953#(or (= main_x main_y) (<= (select main_a main_x) 69)), 102952#(or (= main_x main_y) (<= (select main_a main_x) 68)), 102955#(or (<= (select main_a main_x) 71) (= main_x main_y)), 102954#(or (<= (select main_a main_x) 70) (= main_x main_y)), 102957#(or (<= (select main_a main_x) 73) (= main_x main_y)), 102956#(or (= main_x main_y) (<= (select main_a main_x) 72)), 102959#(or (= main_x main_y) (<= (select main_a main_x) 75)), 102958#(or (= main_x main_y) (<= (select main_a main_x) 74)), 102961#(or (<= (select main_a main_x) 77) (= main_x main_y)), 102960#(or (<= (select main_a main_x) 76) (= main_x main_y)), 102963#(or (<= (select main_a main_x) 79) (= main_x main_y)), 102962#(or (<= (select main_a main_x) 78) (= main_x main_y)), 102965#(or (<= (select main_a main_x) 81) (= main_x main_y)), 102964#(or (<= (select main_a main_x) 80) (= main_x main_y)), 102967#(or (= main_x main_y) (<= (select main_a main_x) 83)), 102966#(or (<= (select main_a main_x) 82) (= main_x main_y)), 102969#(or (<= (select main_a main_x) 85) (= main_x main_y)), 102968#(or (<= (select main_a main_x) 84) (= main_x main_y)), 102971#(or (<= (select main_a main_x) 87) (= main_x main_y)), 102970#(or (<= (select main_a main_x) 86) (= main_x main_y)), 102973#(or (<= (select main_a main_x) 89) (= main_x main_y)), 102972#(or (<= (select main_a main_x) 88) (= main_x main_y)), 102975#(or (= main_x main_y) (<= (select main_a main_x) 91)), 102974#(or (<= (select main_a main_x) 90) (= main_x main_y)), 102977#(or (<= (select main_a main_x) 93) (= main_x main_y)), 102976#(or (<= (select main_a main_x) 92) (= main_x main_y)), 102979#(or (<= (select main_a main_x) 95) (= main_x main_y)), 102978#(or (= main_x main_y) (<= (select main_a main_x) 94)), 102981#(or (= main_x main_y) (<= (select main_a main_x) 97)), 102980#(or (<= (select main_a main_x) 96) (= main_x main_y)), 102983#(or (<= (select main_a main_x) 99) (= main_x main_y)), 102982#(or (<= (select main_a main_x) 98) (= main_x main_y)), 102985#(or (<= (select main_a main_x) 101) (= main_x main_y)), 102984#(or (<= (select main_a main_x) 100) (= main_x main_y)), 102987#(or (<= (select main_a main_x) 103) (= main_x main_y)), 102986#(or (= main_x main_y) (<= (select main_a main_x) 102)), 102989#(or (= main_x main_y) (<= (select main_a main_x) 105)), 102988#(or (<= (select main_a main_x) 104) (= main_x main_y)), 102991#(or (<= (select main_a main_x) 107) (= main_x main_y)), 102990#(or (= main_x main_y) (<= (select main_a main_x) 106)), 102993#(or (= main_x main_y) (<= (select main_a main_x) 109)), 102992#(or (<= (select main_a main_x) 108) (= main_x main_y)), 102995#(or (<= (select main_a main_x) 111) (= main_x main_y)), 102994#(or (= main_x main_y) (<= (select main_a main_x) 110)), 102997#(or (<= (select main_a main_x) 113) (= main_x main_y)), 102996#(or (<= (select main_a main_x) 112) (= main_x main_y)), 102999#(or (= main_x main_y) (<= (select main_a main_x) 115)), 102998#(or (= main_x main_y) (<= (select main_a main_x) 114)), 103001#(or (<= (select main_a main_x) 117) (= main_x main_y)), 103000#(or (<= (select main_a main_x) 116) (= main_x main_y)), 103003#(or (= main_x main_y) (<= (select main_a main_x) 119)), 103002#(or (= main_x main_y) (<= (select main_a main_x) 118)), 103005#(or (= main_x main_y) (<= (select main_a main_x) 121)), 103004#(or (<= (select main_a main_x) 120) (= main_x main_y)), 103007#(or (= main_x main_y) (<= (select main_a main_x) 123)), 103006#(or (<= (select main_a main_x) 122) (= main_x main_y)), 103009#(or (<= (select main_a main_x) 125) (= main_x main_y)), 103008#(or (= main_x main_y) (<= (select main_a main_x) 124)), 103011#(or (<= (select main_a main_x) 127) (= main_x main_y)), 103010#(or (= main_x main_y) (<= (select main_a main_x) 126)), 103013#(or (= main_x main_y) (<= (select main_a main_x) 129)), 103012#(or (= main_x main_y) (<= (select main_a main_x) 128)), 103015#(or (<= (select main_a main_x) 131) (= main_x main_y)), 103014#(or (= main_x main_y) (<= (select main_a main_x) 130)), 103017#(or (= main_x main_y) (<= (select main_a main_x) 133)), 103016#(or (<= (select main_a main_x) 132) (= main_x main_y)), 103019#(or (= main_x main_y) (<= (select main_a main_x) 135)), 103018#(or (= main_x main_y) (<= (select main_a main_x) 134)), 103021#(or (<= (select main_a main_x) 137) (= main_x main_y)), 103020#(or (<= (select main_a main_x) 136) (= main_x main_y)), 103023#(or (= main_x main_y) (<= (select main_a main_x) 139)), 103022#(or (= main_x main_y) (<= (select main_a main_x) 138)), 103025#(or (<= (select main_a main_x) 141) (= main_x main_y)), 103024#(or (<= (select main_a main_x) 140) (= main_x main_y)), 103027#(or (= main_x main_y) (<= (select main_a main_x) 143)), 103026#(or (= main_x main_y) (<= (select main_a main_x) 142)), 103029#(or (= main_x main_y) (<= (select main_a main_x) 145)), 103028#(or (<= (select main_a main_x) 144) (= main_x main_y)), 103031#(or (= main_x main_y) (<= (select main_a main_x) 147)), 103030#(or (<= (select main_a main_x) 146) (= main_x main_y)), 103033#(or (= main_x main_y) (<= (select main_a main_x) 149)), 103032#(or (<= (select main_a main_x) 148) (= main_x main_y)), 103035#(or (<= (select main_a main_x) 151) (= main_x main_y)), 103034#(or (= main_x main_y) (<= (select main_a main_x) 150)), 103037#(or (<= (select main_a main_x) 153) (= main_x main_y)), 103036#(or (<= (select main_a main_x) 152) (= main_x main_y)), 103039#(or (<= (select main_a main_x) 155) (= main_x main_y)), 103038#(or (<= (select main_a main_x) 154) (= main_x main_y)), 103041#(or (<= (select main_a main_x) 157) (= main_x main_y)), 103040#(or (<= (select main_a main_x) 156) (= main_x main_y)), 103043#(or (<= (select main_a main_x) 159) (= main_x main_y)), 103042#(or (<= (select main_a main_x) 158) (= main_x main_y)), 103045#(or (<= (select main_a main_x) 161) (= main_x main_y)), 103044#(or (= main_x main_y) (<= (select main_a main_x) 160)), 103047#(or (<= (select main_a main_x) 163) (= main_x main_y)), 103046#(or (= main_x main_y) (<= (select main_a main_x) 162)), 103049#(or (<= (select main_a main_x) 165) (= main_x main_y)), 103048#(or (<= (select main_a main_x) 164) (= main_x main_y)), 103051#(or (= main_x main_y) (<= (select main_a main_x) 167)), 103050#(or (= main_x main_y) (<= (select main_a main_x) 166)), 103053#(or (= main_x main_y) (<= (select main_a main_x) 169)), 103052#(or (<= (select main_a main_x) 168) (= main_x main_y)), 103055#(or (= main_x main_y) (<= (select main_a main_x) 171)), 103054#(or (= main_x main_y) (<= (select main_a main_x) 170)), 103057#(or (= main_x main_y) (<= (select main_a main_x) 173)), 103056#(or (= main_x main_y) (<= (select main_a main_x) 172)), 103059#(or (<= (select main_a main_x) 175) (= main_x main_y)), 103058#(or (= main_x main_y) (<= (select main_a main_x) 174)), 103061#(or (= main_x main_y) (<= (select main_a main_x) 177)), 103060#(or (= main_x main_y) (<= (select main_a main_x) 176)), 103063#(or (<= (select main_a main_x) 179) (= main_x main_y)), 103062#(or (= main_x main_y) (<= (select main_a main_x) 178)), 103065#(or (<= (select main_a main_x) 181) (= main_x main_y)), 103064#(or (<= (select main_a main_x) 180) (= main_x main_y)), 103067#(or (= main_x main_y) (<= (select main_a main_x) 183)), 103066#(or (<= (select main_a main_x) 182) (= main_x main_y)), 103069#(or (<= (select main_a main_x) 185) (= main_x main_y)), 103068#(or (<= (select main_a main_x) 184) (= main_x main_y)), 103071#(or (= main_x main_y) (<= (select main_a main_x) 187)), 103070#(or (= main_x main_y) (<= (select main_a main_x) 186)), 103073#(or (<= (select main_a main_x) 189) (= main_x main_y)), 103072#(or (= main_x main_y) (<= (select main_a main_x) 188)), 103075#(or (<= (select main_a main_x) 191) (= main_x main_y)), 103074#(or (<= (select main_a main_x) 190) (= main_x main_y)), 103077#(or (<= (select main_a main_x) 193) (= main_x main_y)), 103076#(or (<= (select main_a main_x) 192) (= main_x main_y)), 103079#(or (<= (select main_a main_x) 195) (= main_x main_y)), 103078#(or (<= (select main_a main_x) 194) (= main_x main_y)), 103081#(or (<= (select main_a main_x) 197) (= main_x main_y)), 103080#(or (= main_x main_y) (<= (select main_a main_x) 196)), 103082#(or (not (= (select main_a main_x) 1000)) (= main_x main_y)), 102883#false, 102882#true, 102885#(or (<= (select main_a main_x) 1) (= main_x main_y)), 102884#(or (= 0 (select main_a main_x)) (= main_x main_y)), 102887#(or (= main_x main_y) (<= (select main_a main_x) 3)), 102886#(or (= main_x main_y) (<= (select main_a main_x) 2)), 102889#(or (<= (select main_a main_x) 5) (= main_x main_y)), 102888#(or (<= (select main_a main_x) 4) (= main_x main_y)), 102891#(or (<= (select main_a main_x) 7) (= main_x main_y)), 102890#(or (<= (select main_a main_x) 6) (= main_x main_y)), 102893#(or (= main_x main_y) (<= (select main_a main_x) 9)), 102892#(or (<= (select main_a main_x) 8) (= main_x main_y)), 102895#(or (= main_x main_y) (<= (select main_a main_x) 11)), 102894#(or (= main_x main_y) (<= (select main_a main_x) 10)), 102897#(or (= main_x main_y) (<= (select main_a main_x) 13)), 102896#(or (<= (select main_a main_x) 12) (= main_x main_y)), 102899#(or (<= (select main_a main_x) 15) (= main_x main_y)), 102898#(or (<= (select main_a main_x) 14) (= main_x main_y)), 102901#(or (= main_x main_y) (<= (select main_a main_x) 17)), 102900#(or (<= (select main_a main_x) 16) (= main_x main_y)), 102903#(or (<= (select main_a main_x) 19) (= main_x main_y)), 102902#(or (<= (select main_a main_x) 18) (= main_x main_y)), 102905#(or (<= (select main_a main_x) 21) (= main_x main_y)), 102904#(or (= main_x main_y) (<= (select main_a main_x) 20)), 102907#(or (= main_x main_y) (<= (select main_a main_x) 23)), 102906#(or (= main_x main_y) (<= (select main_a main_x) 22)), 102909#(or (= main_x main_y) (<= (select main_a main_x) 25)), 102908#(or (<= (select main_a main_x) 24) (= main_x main_y)), 102911#(or (<= (select main_a main_x) 27) (= main_x main_y)), 102910#(or (<= (select main_a main_x) 26) (= main_x main_y))] [2018-07-23 13:59:51,148 INFO L134 CoverageAnalysis]: Checked inductivity of 19701 backedges. 0 proven. 19701 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-07-23 13:59:51,148 INFO L450 AbstractCegarLoop]: Interpolant automaton has 201 states [2018-07-23 13:59:51,151 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 201 interpolants. [2018-07-23 13:59:51,152 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=20100, Invalid=20100, Unknown=0, NotChecked=0, Total=40200 [2018-07-23 13:59:51,152 INFO L87 Difference]: Start difference. First operand 202 states and 202 transitions. Second operand 201 states. [2018-07-23 13:59:52,072 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-07-23 13:59:52,072 INFO L93 Difference]: Finished difference Result 205 states and 205 transitions. [2018-07-23 13:59:52,073 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 201 states. [2018-07-23 13:59:52,073 INFO L78 Accepts]: Start accepts. Automaton has 201 states. Word has length 201 [2018-07-23 13:59:52,073 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-07-23 13:59:52,073 INFO L225 Difference]: With dead ends: 205 [2018-07-23 13:59:52,073 INFO L226 Difference]: Without dead ends: 203 [2018-07-23 13:59:52,075 INFO L575 BasicCegarLoop]: 0 DeclaredPredicates, 200 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 199 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 1.9s TimeCoverageRelationStatistics Valid=20100, Invalid=20100, Unknown=0, NotChecked=0, Total=40200 [2018-07-23 13:59:52,075 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 203 states. [2018-07-23 13:59:52,084 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 203 to 203. [2018-07-23 13:59:52,084 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 203 states. [2018-07-23 13:59:52,084 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 203 states to 203 states and 203 transitions. [2018-07-23 13:59:52,084 INFO L78 Accepts]: Start accepts. Automaton has 203 states and 203 transitions. Word has length 201 [2018-07-23 13:59:52,084 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-07-23 13:59:52,084 INFO L471 AbstractCegarLoop]: Abstraction has 203 states and 203 transitions. [2018-07-23 13:59:52,085 INFO L472 AbstractCegarLoop]: Interpolant automaton has 201 states. [2018-07-23 13:59:52,085 INFO L276 IsEmpty]: Start isEmpty. Operand 203 states and 203 transitions. [2018-07-23 13:59:52,085 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 203 [2018-07-23 13:59:52,085 INFO L349 BasicCegarLoop]: Found error trace [2018-07-23 13:59:52,085 INFO L357 BasicCegarLoop]: trace histogram [199, 1, 1, 1] [2018-07-23 13:59:52,085 INFO L414 AbstractCegarLoop]: === Iteration 200 === [mainErr0AssertViolationASSERT]=== [2018-07-23 13:59:52,085 INFO L82 PathProgramCache]: Analyzing trace with hash -1697781434, now seen corresponding path program 199 times [2018-07-23 13:59:52,085 INFO L69 tionRefinementEngine]: Using refinement strategy FixedRefinementStrategy [2018-07-23 13:59:52,414 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-07-23 13:59:54,635 INFO L134 CoverageAnalysis]: Checked inductivity of 19900 backedges. 0 proven. 19900 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-07-23 13:59:54,636 INFO L309 seRefinementStrategy]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2018-07-23 13:59:54,636 INFO L324 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [201] total 201 [2018-07-23 13:59:54,636 INFO L142 lantAutomatonBuilder]: Constructing canonical interpolant automaton, with selfloop in false state [2018-07-23 13:59:54,636 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 13:59:54,636 INFO L185 omatonBuilderFactory]: Interpolants [103937#(or (<= (select main_a main_x) 36) (= main_x main_y)), 103936#(or (<= (select main_a main_x) 35) (= main_x main_y)), 103939#(or (<= (select main_a main_x) 38) (= main_x main_y)), 103938#(or (<= (select main_a main_x) 37) (= main_x main_y)), 103941#(or (<= (select main_a main_x) 40) (= main_x main_y)), 103940#(or (<= (select main_a main_x) 39) (= main_x main_y)), 103943#(or (<= (select main_a main_x) 42) (= main_x main_y)), 103942#(or (<= (select main_a main_x) 41) (= main_x main_y)), 103945#(or (= main_x main_y) (<= (select main_a main_x) 44)), 103944#(or (= main_x main_y) (<= (select main_a main_x) 43)), 103947#(or (<= (select main_a main_x) 46) (= main_x main_y)), 103946#(or (= main_x main_y) (<= (select main_a main_x) 45)), 103949#(or (<= (select main_a main_x) 48) (= main_x main_y)), 103948#(or (<= (select main_a main_x) 47) (= main_x main_y)), 103951#(or (<= (select main_a main_x) 50) (= main_x main_y)), 103950#(or (<= (select main_a main_x) 49) (= main_x main_y)), 103953#(or (= main_x main_y) (<= (select main_a main_x) 52)), 103952#(or (<= (select main_a main_x) 51) (= main_x main_y)), 103955#(or (<= (select main_a main_x) 54) (= main_x main_y)), 103954#(or (<= (select main_a main_x) 53) (= main_x main_y)), 103957#(or (= main_x main_y) (<= (select main_a main_x) 56)), 103956#(or (<= (select main_a main_x) 55) (= main_x main_y)), 103959#(or (<= (select main_a main_x) 58) (= main_x main_y)), 103958#(or (<= (select main_a main_x) 57) (= main_x main_y)), 103961#(or (= main_x main_y) (<= (select main_a main_x) 60)), 103960#(or (= main_x main_y) (<= (select main_a main_x) 59)), 103963#(or (<= (select main_a main_x) 62) (= main_x main_y)), 103962#(or (= main_x main_y) (<= (select main_a main_x) 61)), 103965#(or (= main_x main_y) (<= (select main_a main_x) 64)), 103964#(or (<= (select main_a main_x) 63) (= main_x main_y)), 103967#(or (= main_x main_y) (<= (select main_a main_x) 66)), 103966#(or (<= (select main_a main_x) 65) (= main_x main_y)), 103969#(or (= main_x main_y) (<= (select main_a main_x) 68)), 103968#(or (<= (select main_a main_x) 67) (= main_x main_y)), 103971#(or (<= (select main_a main_x) 70) (= main_x main_y)), 103970#(or (= main_x main_y) (<= (select main_a main_x) 69)), 103973#(or (= main_x main_y) (<= (select main_a main_x) 72)), 103972#(or (<= (select main_a main_x) 71) (= main_x main_y)), 103975#(or (= main_x main_y) (<= (select main_a main_x) 74)), 103974#(or (<= (select main_a main_x) 73) (= main_x main_y)), 103977#(or (<= (select main_a main_x) 76) (= main_x main_y)), 103976#(or (= main_x main_y) (<= (select main_a main_x) 75)), 103979#(or (<= (select main_a main_x) 78) (= main_x main_y)), 103978#(or (<= (select main_a main_x) 77) (= main_x main_y)), 103981#(or (<= (select main_a main_x) 80) (= main_x main_y)), 103980#(or (<= (select main_a main_x) 79) (= main_x main_y)), 103983#(or (<= (select main_a main_x) 82) (= main_x main_y)), 103982#(or (<= (select main_a main_x) 81) (= main_x main_y)), 103985#(or (<= (select main_a main_x) 84) (= main_x main_y)), 103984#(or (= main_x main_y) (<= (select main_a main_x) 83)), 103987#(or (<= (select main_a main_x) 86) (= main_x main_y)), 103986#(or (<= (select main_a main_x) 85) (= main_x main_y)), 103989#(or (<= (select main_a main_x) 88) (= main_x main_y)), 103988#(or (<= (select main_a main_x) 87) (= main_x main_y)), 103991#(or (<= (select main_a main_x) 90) (= main_x main_y)), 103990#(or (<= (select main_a main_x) 89) (= main_x main_y)), 103993#(or (<= (select main_a main_x) 92) (= main_x main_y)), 103992#(or (= main_x main_y) (<= (select main_a main_x) 91)), 103995#(or (= main_x main_y) (<= (select main_a main_x) 94)), 103994#(or (<= (select main_a main_x) 93) (= main_x main_y)), 103997#(or (<= (select main_a main_x) 96) (= main_x main_y)), 103996#(or (<= (select main_a main_x) 95) (= main_x main_y)), 103999#(or (<= (select main_a main_x) 98) (= main_x main_y)), 103998#(or (= main_x main_y) (<= (select main_a main_x) 97)), 104001#(or (<= (select main_a main_x) 100) (= main_x main_y)), 104000#(or (<= (select main_a main_x) 99) (= main_x main_y)), 104003#(or (= main_x main_y) (<= (select main_a main_x) 102)), 104002#(or (<= (select main_a main_x) 101) (= main_x main_y)), 104005#(or (<= (select main_a main_x) 104) (= main_x main_y)), 104004#(or (<= (select main_a main_x) 103) (= main_x main_y)), 104007#(or (= main_x main_y) (<= (select main_a main_x) 106)), 104006#(or (= main_x main_y) (<= (select main_a main_x) 105)), 104009#(or (<= (select main_a main_x) 108) (= main_x main_y)), 104008#(or (<= (select main_a main_x) 107) (= main_x main_y)), 104011#(or (= main_x main_y) (<= (select main_a main_x) 110)), 104010#(or (= main_x main_y) (<= (select main_a main_x) 109)), 104013#(or (<= (select main_a main_x) 112) (= main_x main_y)), 104012#(or (<= (select main_a main_x) 111) (= main_x main_y)), 104015#(or (= main_x main_y) (<= (select main_a main_x) 114)), 104014#(or (<= (select main_a main_x) 113) (= main_x main_y)), 104017#(or (<= (select main_a main_x) 116) (= main_x main_y)), 104016#(or (= main_x main_y) (<= (select main_a main_x) 115)), 104019#(or (= main_x main_y) (<= (select main_a main_x) 118)), 104018#(or (<= (select main_a main_x) 117) (= main_x main_y)), 104021#(or (<= (select main_a main_x) 120) (= main_x main_y)), 104020#(or (= main_x main_y) (<= (select main_a main_x) 119)), 104023#(or (<= (select main_a main_x) 122) (= main_x main_y)), 104022#(or (= main_x main_y) (<= (select main_a main_x) 121)), 104025#(or (= main_x main_y) (<= (select main_a main_x) 124)), 104024#(or (= main_x main_y) (<= (select main_a main_x) 123)), 104027#(or (= main_x main_y) (<= (select main_a main_x) 126)), 104026#(or (<= (select main_a main_x) 125) (= main_x main_y)), 104029#(or (= main_x main_y) (<= (select main_a main_x) 128)), 104028#(or (<= (select main_a main_x) 127) (= main_x main_y)), 104031#(or (= main_x main_y) (<= (select main_a main_x) 130)), 104030#(or (= main_x main_y) (<= (select main_a main_x) 129)), 104033#(or (<= (select main_a main_x) 132) (= main_x main_y)), 104032#(or (<= (select main_a main_x) 131) (= main_x main_y)), 104035#(or (= main_x main_y) (<= (select main_a main_x) 134)), 104034#(or (= main_x main_y) (<= (select main_a main_x) 133)), 104037#(or (<= (select main_a main_x) 136) (= main_x main_y)), 104036#(or (= main_x main_y) (<= (select main_a main_x) 135)), 104039#(or (= main_x main_y) (<= (select main_a main_x) 138)), 104038#(or (<= (select main_a main_x) 137) (= main_x main_y)), 104041#(or (<= (select main_a main_x) 140) (= main_x main_y)), 104040#(or (= main_x main_y) (<= (select main_a main_x) 139)), 104043#(or (= main_x main_y) (<= (select main_a main_x) 142)), 104042#(or (<= (select main_a main_x) 141) (= main_x main_y)), 104045#(or (<= (select main_a main_x) 144) (= main_x main_y)), 104044#(or (= main_x main_y) (<= (select main_a main_x) 143)), 104047#(or (<= (select main_a main_x) 146) (= main_x main_y)), 104046#(or (= main_x main_y) (<= (select main_a main_x) 145)), 104049#(or (<= (select main_a main_x) 148) (= main_x main_y)), 104048#(or (= main_x main_y) (<= (select main_a main_x) 147)), 104051#(or (= main_x main_y) (<= (select main_a main_x) 150)), 104050#(or (= main_x main_y) (<= (select main_a main_x) 149)), 104053#(or (<= (select main_a main_x) 152) (= main_x main_y)), 104052#(or (<= (select main_a main_x) 151) (= main_x main_y)), 104055#(or (<= (select main_a main_x) 154) (= main_x main_y)), 104054#(or (<= (select main_a main_x) 153) (= main_x main_y)), 104057#(or (<= (select main_a main_x) 156) (= main_x main_y)), 104056#(or (<= (select main_a main_x) 155) (= main_x main_y)), 104059#(or (<= (select main_a main_x) 158) (= main_x main_y)), 104058#(or (<= (select main_a main_x) 157) (= main_x main_y)), 104061#(or (= main_x main_y) (<= (select main_a main_x) 160)), 104060#(or (<= (select main_a main_x) 159) (= main_x main_y)), 104063#(or (= main_x main_y) (<= (select main_a main_x) 162)), 104062#(or (<= (select main_a main_x) 161) (= main_x main_y)), 104065#(or (<= (select main_a main_x) 164) (= main_x main_y)), 104064#(or (<= (select main_a main_x) 163) (= main_x main_y)), 104067#(or (= main_x main_y) (<= (select main_a main_x) 166)), 104066#(or (<= (select main_a main_x) 165) (= main_x main_y)), 104069#(or (<= (select main_a main_x) 168) (= main_x main_y)), 104068#(or (= main_x main_y) (<= (select main_a main_x) 167)), 104071#(or (= main_x main_y) (<= (select main_a main_x) 170)), 104070#(or (= main_x main_y) (<= (select main_a main_x) 169)), 104073#(or (= main_x main_y) (<= (select main_a main_x) 172)), 104072#(or (= main_x main_y) (<= (select main_a main_x) 171)), 104075#(or (= main_x main_y) (<= (select main_a main_x) 174)), 104074#(or (= main_x main_y) (<= (select main_a main_x) 173)), 104077#(or (= main_x main_y) (<= (select main_a main_x) 176)), 104076#(or (<= (select main_a main_x) 175) (= main_x main_y)), 104079#(or (= main_x main_y) (<= (select main_a main_x) 178)), 104078#(or (= main_x main_y) (<= (select main_a main_x) 177)), 104081#(or (<= (select main_a main_x) 180) (= main_x main_y)), 104080#(or (<= (select main_a main_x) 179) (= main_x main_y)), 104083#(or (<= (select main_a main_x) 182) (= main_x main_y)), 104082#(or (<= (select main_a main_x) 181) (= main_x main_y)), 104085#(or (<= (select main_a main_x) 184) (= main_x main_y)), 104084#(or (= main_x main_y) (<= (select main_a main_x) 183)), 104087#(or (= main_x main_y) (<= (select main_a main_x) 186)), 104086#(or (<= (select main_a main_x) 185) (= main_x main_y)), 104089#(or (= main_x main_y) (<= (select main_a main_x) 188)), 104088#(or (= main_x main_y) (<= (select main_a main_x) 187)), 104091#(or (<= (select main_a main_x) 190) (= main_x main_y)), 104090#(or (<= (select main_a main_x) 189) (= main_x main_y)), 104093#(or (<= (select main_a main_x) 192) (= main_x main_y)), 104092#(or (<= (select main_a main_x) 191) (= main_x main_y)), 104095#(or (<= (select main_a main_x) 194) (= main_x main_y)), 104094#(or (<= (select main_a main_x) 193) (= main_x main_y)), 104097#(or (= main_x main_y) (<= (select main_a main_x) 196)), 104096#(or (<= (select main_a main_x) 195) (= main_x main_y)), 104099#(or (= main_x main_y) (<= (select main_a main_x) 198)), 104098#(or (<= (select main_a main_x) 197) (= main_x main_y)), 104100#(or (not (= (select main_a main_x) 1000)) (= main_x main_y)), 103899#true, 103901#(or (= 0 (select main_a main_x)) (= main_x main_y)), 103900#false, 103903#(or (= main_x main_y) (<= (select main_a main_x) 2)), 103902#(or (<= (select main_a main_x) 1) (= main_x main_y)), 103905#(or (<= (select main_a main_x) 4) (= main_x main_y)), 103904#(or (= main_x main_y) (<= (select main_a main_x) 3)), 103907#(or (<= (select main_a main_x) 6) (= main_x main_y)), 103906#(or (<= (select main_a main_x) 5) (= main_x main_y)), 103909#(or (<= (select main_a main_x) 8) (= main_x main_y)), 103908#(or (<= (select main_a main_x) 7) (= main_x main_y)), 103911#(or (= main_x main_y) (<= (select main_a main_x) 10)), 103910#(or (= main_x main_y) (<= (select main_a main_x) 9)), 103913#(or (<= (select main_a main_x) 12) (= main_x main_y)), 103912#(or (= main_x main_y) (<= (select main_a main_x) 11)), 103915#(or (<= (select main_a main_x) 14) (= main_x main_y)), 103914#(or (= main_x main_y) (<= (select main_a main_x) 13)), 103917#(or (<= (select main_a main_x) 16) (= main_x main_y)), 103916#(or (<= (select main_a main_x) 15) (= main_x main_y)), 103919#(or (<= (select main_a main_x) 18) (= main_x main_y)), 103918#(or (= main_x main_y) (<= (select main_a main_x) 17)), 103921#(or (= main_x main_y) (<= (select main_a main_x) 20)), 103920#(or (<= (select main_a main_x) 19) (= main_x main_y)), 103923#(or (= main_x main_y) (<= (select main_a main_x) 22)), 103922#(or (<= (select main_a main_x) 21) (= main_x main_y)), 103925#(or (<= (select main_a main_x) 24) (= main_x main_y)), 103924#(or (= main_x main_y) (<= (select main_a main_x) 23)), 103927#(or (<= (select main_a main_x) 26) (= main_x main_y)), 103926#(or (= main_x main_y) (<= (select main_a main_x) 25)), 103929#(or (<= (select main_a main_x) 28) (= main_x main_y)), 103928#(or (<= (select main_a main_x) 27) (= main_x main_y)), 103931#(or (= main_x main_y) (<= (select main_a main_x) 30)), 103930#(or (<= (select main_a main_x) 29) (= main_x main_y)), 103933#(or (<= (select main_a main_x) 32) (= main_x main_y)), 103932#(or (<= (select main_a main_x) 31) (= main_x main_y)), 103935#(or (<= (select main_a main_x) 34) (= main_x main_y)), 103934#(or (<= (select main_a main_x) 33) (= main_x main_y))] [2018-07-23 13:59:54,637 INFO L134 CoverageAnalysis]: Checked inductivity of 19900 backedges. 0 proven. 19900 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-07-23 13:59:54,638 INFO L450 AbstractCegarLoop]: Interpolant automaton has 202 states [2018-07-23 13:59:54,640 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 202 interpolants. [2018-07-23 13:59:54,642 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=20301, Invalid=20301, Unknown=0, NotChecked=0, Total=40602 [2018-07-23 13:59:54,642 INFO L87 Difference]: Start difference. First operand 203 states and 203 transitions. Second operand 202 states. [2018-07-23 13:59:55,613 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-07-23 13:59:55,614 INFO L93 Difference]: Finished difference Result 206 states and 206 transitions. [2018-07-23 13:59:55,614 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 202 states. [2018-07-23 13:59:55,614 INFO L78 Accepts]: Start accepts. Automaton has 202 states. Word has length 202 [2018-07-23 13:59:55,614 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-07-23 13:59:55,615 INFO L225 Difference]: With dead ends: 206 [2018-07-23 13:59:55,615 INFO L226 Difference]: Without dead ends: 204 [2018-07-23 13:59:55,617 INFO L575 BasicCegarLoop]: 0 DeclaredPredicates, 201 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 200 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 2.0s TimeCoverageRelationStatistics Valid=20301, Invalid=20301, Unknown=0, NotChecked=0, Total=40602 [2018-07-23 13:59:55,617 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 204 states. [2018-07-23 13:59:55,626 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 204 to 204. [2018-07-23 13:59:55,626 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 204 states. [2018-07-23 13:59:55,626 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 204 states to 204 states and 204 transitions. [2018-07-23 13:59:55,626 INFO L78 Accepts]: Start accepts. Automaton has 204 states and 204 transitions. Word has length 202 [2018-07-23 13:59:55,626 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-07-23 13:59:55,626 INFO L471 AbstractCegarLoop]: Abstraction has 204 states and 204 transitions. [2018-07-23 13:59:55,626 INFO L472 AbstractCegarLoop]: Interpolant automaton has 202 states. [2018-07-23 13:59:55,627 INFO L276 IsEmpty]: Start isEmpty. Operand 204 states and 204 transitions. [2018-07-23 13:59:55,627 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 204 [2018-07-23 13:59:55,627 INFO L349 BasicCegarLoop]: Found error trace [2018-07-23 13:59:55,627 INFO L357 BasicCegarLoop]: trace histogram [200, 1, 1, 1] [2018-07-23 13:59:55,627 INFO L414 AbstractCegarLoop]: === Iteration 201 === [mainErr0AssertViolationASSERT]=== [2018-07-23 13:59:55,627 INFO L82 PathProgramCache]: Analyzing trace with hash -1091620768, now seen corresponding path program 200 times [2018-07-23 13:59:55,627 INFO L69 tionRefinementEngine]: Using refinement strategy FixedRefinementStrategy [2018-07-23 13:59:55,905 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-07-23 13:59:57,887 INFO L134 CoverageAnalysis]: Checked inductivity of 20100 backedges. 0 proven. 20100 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-07-23 13:59:57,887 INFO L309 seRefinementStrategy]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2018-07-23 13:59:57,888 INFO L324 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [202] total 202 [2018-07-23 13:59:57,888 INFO L142 lantAutomatonBuilder]: Constructing canonical interpolant automaton, with selfloop in false state [2018-07-23 13:59:57,888 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-07-23 13:59:57,888 INFO L185 omatonBuilderFactory]: Interpolants [104961#(or (<= (select main_a main_x) 38) (= main_x main_y)), 104960#(or (<= (select main_a main_x) 37) (= main_x main_y)), 104963#(or (<= (select main_a main_x) 40) (= main_x main_y)), 104962#(or (<= (select main_a main_x) 39) (= main_x main_y)), 104965#(or (<= (select main_a main_x) 42) (= main_x main_y)), 104964#(or (<= (select main_a main_x) 41) (= main_x main_y)), 104967#(or (= main_x main_y) (<= (select main_a main_x) 44)), 104966#(or (= main_x main_y) (<= (select main_a main_x) 43)), 104969#(or (<= (select main_a main_x) 46) (= main_x main_y)), 104968#(or (= main_x main_y) (<= (select main_a main_x) 45)), 104971#(or (<= (select main_a main_x) 48) (= main_x main_y)), 104970#(or (<= (select main_a main_x) 47) (= main_x main_y)), 104973#(or (<= (select main_a main_x) 50) (= main_x main_y)), 104972#(or (<= (select main_a main_x) 49) (= main_x main_y)), 104975#(or (= main_x main_y) (<= (select main_a main_x) 52)), 104974#(or (<= (select main_a main_x) 51) (= main_x main_y)), 104977#(or (<= (select main_a main_x) 54) (= main_x main_y)), 104976#(or (<= (select main_a main_x) 53) (= main_x main_y)), 104979#(or (= main_x main_y) (<= (select main_a main_x) 56)), 104978#(or (<= (select main_a main_x) 55) (= main_x main_y)), 104981#(or (<= (select main_a main_x) 58) (= main_x main_y)), 104980#(or (<= (select main_a main_x) 57) (= main_x main_y)), 104983#(or (= main_x main_y) (<= (select main_a main_x) 60)), 104982#(or (= main_x main_y) (<= (select main_a main_x) 59)), 104985#(or (<= (select main_a main_x) 62) (= main_x main_y)), 104984#(or (= main_x main_y) (<= (select main_a main_x) 61)), 104987#(or (= main_x main_y) (<= (select main_a main_x) 64)), 104986#(or (<= (select main_a main_x) 63) (= main_x main_y)), 104989#(or (= main_x main_y) (<= (select main_a main_x) 66)), 104988#(or (<= (select main_a main_x) 65) (= main_x main_y)), 104991#(or (= main_x main_y) (<= (select main_a main_x) 68)), 104990#(or (<= (select main_a main_x) 67) (= main_x main_y)), 104993#(or (<= (select main_a main_x) 70) (= main_x main_y)), 104992#(or (= main_x main_y) (<= (select main_a main_x) 69)), 104995#(or (= main_x main_y) (<= (select main_a main_x) 72)), 104994#(or (<= (select main_a main_x) 71) (= main_x main_y)), 104997#(or (= main_x main_y) (<= (select main_a main_x) 74)), 104996#(or (<= (select main_a main_x) 73) (= main_x main_y)), 104999#(or (<= (select main_a main_x) 76) (= main_x main_y)), 104998#(or (= main_x main_y) (<= (select main_a main_x) 75)), 105001#(or (<= (select main_a main_x) 78) (= main_x main_y)), 105000#(or (<= (select main_a main_x) 77) (= main_x main_y)), 105003#(or (<= (select main_a main_x) 80) (= main_x main_y)), 105002#(or (<= (select main_a main_x) 79) (= main_x main_y)), 105005#(or (<= (select main_a main_x) 82) (= main_x main_y)), 105004#(or (<= (select main_a main_x) 81) (= main_x main_y)), 105007#(or (<= (select main_a main_x) 84) (= main_x main_y)), 105006#(or (= main_x main_y) (<= (select main_a main_x) 83)), 105009#(or (<= (select main_a main_x) 86) (= main_x main_y)), 105008#(or (<= (select main_a main_x) 85) (= main_x main_y)), 105011#(or (<= (select main_a main_x) 88) (= main_x main_y)), 105010#(or (<= (select main_a main_x) 87) (= main_x main_y)), 105013#(or (<= (select main_a main_x) 90) (= main_x main_y)), 105012#(or (<= (select main_a main_x) 89) (= main_x main_y)), 105015#(or (<= (select main_a main_x) 92) (= main_x main_y)), 105014#(or (= main_x main_y) (<= (select main_a main_x) 91)), 105017#(or (= main_x main_y) (<= (select main_a main_x) 94)), 105016#(or (<= (select main_a main_x) 93) (= main_x main_y)), 105019#(or (<= (select main_a main_x) 96) (= main_x main_y)), 105018#(or (<= (select main_a main_x) 95) (= main_x main_y)), 105021#(or (<= (select main_a main_x) 98) (= main_x main_y)), 105020#(or (= main_x main_y) (<= (select main_a main_x) 97)), 105023#(or (<= (select main_a main_x) 100) (= main_x main_y)), 105022#(or (<= (select main_a main_x) 99) (= main_x main_y)), 105025#(or (= main_x main_y) (<= (select main_a main_x) 102)), 105024#(or (<= (select main_a main_x) 101) (= main_x main_y)), 105027#(or (<= (select main_a main_x) 104) (= main_x main_y)), 105026#(or (<= (select main_a main_x) 103) (= main_x main_y)), 105029#(or (= main_x main_y) (<= (select main_a main_x) 106)), 105028#(or (= main_x main_y) (<= (select main_a main_x) 105)), 105031#(or (<= (select main_a main_x) 108) (= main_x main_y)), 105030#(or (<= (select main_a main_x) 107) (= main_x main_y)), 105033#(or (= main_x main_y) (<= (select main_a main_x) 110)), 105032#(or (= main_x main_y) (<= (select main_a main_x) 109)), 105035#(or (<= (select main_a main_x) 112) (= main_x main_y)), 105034#(or (<= (select main_a main_x) 111) (= main_x main_y)), 105037#(or (= main_x main_y) (<= (select main_a main_x) 114)), 105036#(or (<= (select main_a main_x) 113) (= main_x main_y)), 105039#(or (<= (select main_a main_x) 116) (= main_x main_y)), 105038#(or (= main_x main_y) (<= (select main_a main_x) 115)), 105041#(or (= main_x main_y) (<= (select main_a main_x) 118)), 105040#(or (<= (select main_a main_x) 117) (= main_x main_y)), 105043#(or (<= (select main_a main_x) 120) (= main_x main_y)), 105042#(or (= main_x main_y) (<= (select main_a main_x) 119)), 105045#(or (<= (select main_a main_x) 122) (= main_x main_y)), 105044#(or (= main_x main_y) (<= (select main_a main_x) 121)), 105047#(or (= main_x main_y) (<= (select main_a main_x) 124)), 105046#(or (= main_x main_y) (<= (select main_a main_x) 123)), 105049#(or (= main_x main_y) (<= (select main_a main_x) 126)), 105048#(or (<= (select main_a main_x) 125) (= main_x main_y)), 105051#(or (= main_x main_y) (<= (select main_a main_x) 128)), 105050#(or (<= (select main_a main_x) 127) (= main_x main_y)), 105053#(or (= main_x main_y) (<= (select main_a main_x) 130)), 105052#(or (= main_x main_y) (<= (select main_a main_x) 129)), 105055#(or (<= (select main_a main_x) 132) (= main_x main_y)), 105054#(or (<= (select main_a main_x) 131) (= main_x main_y)), 105057#(or (= main_x main_y) (<= (select main_a main_x) 134)), 105056#(or (= main_x main_y) (<= (select main_a main_x) 133)), 105059#(or (<= (select main_a main_x) 136) (= main_x main_y)), 105058#(or (= main_x main_y) (<= (select main_a main_x) 135)), 105061#(or (= main_x main_y) (<= (select main_a main_x) 138)), 105060#(or (<= (select main_a main_x) 137) (= main_x main_y)), 105063#(or (<= (select main_a main_x) 140) (= main_x main_y)), 105062#(or (= main_x main_y) (<= (select main_a main_x) 139)), 105065#(or (= main_x main_y) (<= (select main_a main_x) 142)), 105064#(or (<= (select main_a main_x) 141) (= main_x main_y)), 105067#(or (<= (select main_a main_x) 144) (= main_x main_y)), 105066#(or (= main_x main_y) (<= (select main_a main_x) 143)), 105069#(or (<= (select main_a main_x) 146) (= main_x main_y)), 105068#(or (= main_x main_y) (<= (select main_a main_x) 145)), 105071#(or (<= (select main_a main_x) 148) (= main_x main_y)), 105070#(or (= main_x main_y) (<= (select main_a main_x) 147)), 105073#(or (= main_x main_y) (<= (select main_a main_x) 150)), 105072#(or (= main_x main_y) (<= (select main_a main_x) 149)), 105075#(or (<= (select main_a main_x) 152) (= main_x main_y)), 105074#(or (<= (select main_a main_x) 151) (= main_x main_y)), 105077#(or (<= (select main_a main_x) 154) (= main_x main_y)), 105076#(or (<= (select main_a main_x) 153) (= main_x main_y)), 105079#(or (<= (select main_a main_x) 156) (= main_x main_y)), 105078#(or (<= (select main_a main_x) 155) (= main_x main_y)), 105081#(or (<= (select main_a main_x) 158) (= main_x main_y)), 105080#(or (<= (select main_a main_x) 157) (= main_x main_y)), 105083#(or (= main_x main_y) (<= (select main_a main_x) 160)), 105082#(or (<= (select main_a main_x) 159) (= main_x main_y)), 105085#(or (= main_x main_y) (<= (select main_a main_x) 162)), 105084#(or (<= (select main_a main_x) 161) (= main_x main_y)), 105087#(or (<= (select main_a 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10)), 104932#(or (= main_x main_y) (<= (select main_a main_x) 9)), 104935#(or (<= (select main_a main_x) 12) (= main_x main_y)), 104934#(or (= main_x main_y) (<= (select main_a main_x) 11)), 104937#(or (<= (select main_a main_x) 14) (= main_x main_y)), 104936#(or (= main_x main_y) (<= (select main_a main_x) 13)), 104939#(or (<= (select main_a main_x) 16) (= main_x main_y)), 104938#(or (<= (select main_a main_x) 15) (= main_x main_y)), 104941#(or (<= (select main_a main_x) 18) (= main_x main_y)), 104940#(or (= main_x main_y) (<= (select main_a main_x) 17)), 104943#(or (= main_x main_y) (<= (select main_a main_x) 20)), 104942#(or (<= (select main_a main_x) 19) (= main_x main_y)), 104945#(or (= main_x main_y) (<= (select main_a main_x) 22)), 104944#(or (<= (select main_a main_x) 21) (= main_x main_y)), 104947#(or (<= (select main_a main_x) 24) (= main_x main_y)), 104946#(or (= main_x main_y) (<= (select main_a main_x) 23)), 104949#(or (<= (select main_a main_x) 26) (= main_x main_y)), 104948#(or (= main_x main_y) (<= (select main_a main_x) 25)), 104951#(or (<= (select main_a main_x) 28) (= main_x main_y)), 104950#(or (<= (select main_a main_x) 27) (= main_x main_y)), 104953#(or (= main_x main_y) (<= (select main_a main_x) 30)), 104952#(or (<= (select main_a main_x) 29) (= main_x main_y)), 104955#(or (<= (select main_a main_x) 32) (= main_x main_y)), 104954#(or (<= (select main_a main_x) 31) (= main_x main_y)), 104957#(or (<= (select main_a main_x) 34) (= main_x main_y)), 104956#(or (<= (select main_a main_x) 33) (= main_x main_y)), 104959#(or (<= (select main_a main_x) 36) (= main_x main_y)), 104958#(or (<= (select main_a main_x) 35) (= main_x main_y))] [2018-07-23 13:59:57,889 INFO L134 CoverageAnalysis]: Checked inductivity of 20100 backedges. 0 proven. 20100 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-07-23 13:59:57,889 INFO L450 AbstractCegarLoop]: Interpolant automaton has 203 states [2018-07-23 13:59:57,891 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 203 interpolants. [2018-07-23 13:59:57,893 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=20503, Invalid=20503, Unknown=0, NotChecked=0, Total=41006 [2018-07-23 13:59:57,893 INFO L87 Difference]: Start difference. First operand 204 states and 204 transitions. Second operand 203 states. [2018-07-23 13:59:58,755 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-07-23 13:59:58,755 INFO L93 Difference]: Finished difference Result 207 states and 207 transitions. [2018-07-23 13:59:58,755 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 203 states. [2018-07-23 13:59:58,755 INFO L78 Accepts]: Start accepts. Automaton has 203 states. Word has length 203 [2018-07-23 13:59:58,755 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-07-23 13:59:58,755 INFO L225 Difference]: With dead ends: 207 [2018-07-23 13:59:58,755 INFO L226 Difference]: Without dead ends: 205 [2018-07-23 13:59:58,758 INFO L575 BasicCegarLoop]: 0 DeclaredPredicates, 202 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 201 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 1.7s TimeCoverageRelationStatistics Valid=20503, Invalid=20503, Unknown=0, NotChecked=0, Total=41006 [2018-07-23 13:59:58,758 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 205 states. [2018-07-23 13:59:58,766 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 205 to 205. [2018-07-23 13:59:58,766 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 205 states. [2018-07-23 13:59:58,767 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 205 states to 205 states and 205 transitions. [2018-07-23 13:59:58,767 INFO L78 Accepts]: Start accepts. Automaton has 205 states and 205 transitions. Word has length 203 [2018-07-23 13:59:58,767 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-07-23 13:59:58,767 INFO L471 AbstractCegarLoop]: Abstraction has 205 states and 205 transitions. [2018-07-23 13:59:58,767 INFO L472 AbstractCegarLoop]: Interpolant automaton has 203 states. [2018-07-23 13:59:58,767 INFO L276 IsEmpty]: Start isEmpty. Operand 205 states and 205 transitions. [2018-07-23 13:59:58,767 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 205 [2018-07-23 13:59:58,767 INFO L349 BasicCegarLoop]: Found error trace [2018-07-23 13:59:58,768 INFO L357 BasicCegarLoop]: trace histogram [201, 1, 1, 1] [2018-07-23 13:59:58,768 INFO L414 AbstractCegarLoop]: === Iteration 202 === [mainErr0AssertViolationASSERT]=== [2018-07-23 13:59:58,768 INFO L82 PathProgramCache]: Analyzing trace with hash 519490694, now seen corresponding path program 201 times [2018-07-23 13:59:58,768 INFO L69 tionRefinementEngine]: Using refinement strategy FixedRefinementStrategy [2018-07-23 13:59:59,051 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat Received shutdown request... [2018-07-23 14:00:00,011 WARN L540 AbstractCegarLoop]: Verification canceled [2018-07-23 14:00:00,016 WARN L202 ceAbstractionStarter]: Timeout [2018-07-23 14:00:00,016 INFO L202 PluginConnector]: Adding new model Sandman01.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 23.07 02:00:00 BoogieIcfgContainer [2018-07-23 14:00:00,016 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2018-07-23 14:00:00,017 INFO L168 Benchmark]: Toolchain (without parser) took 248591.91 ms. Allocated memory was 1.5 GB in the beginning and 3.1 GB in the end (delta: 1.6 GB). Free memory was 1.5 GB in the beginning and 2.5 GB in the end (delta: -1.1 GB). Peak memory consumption was 520.0 MB. Max. memory is 7.1 GB. [2018-07-23 14:00:00,019 INFO L168 Benchmark]: Boogie PL CUP Parser took 0.21 ms. Allocated memory is still 1.5 GB. Free memory is still 1.5 GB. There was no memory consumed. Max. memory is 7.1 GB. [2018-07-23 14:00:00,019 INFO L168 Benchmark]: Boogie Preprocessor took 53.08 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 14:00:00,019 INFO L168 Benchmark]: RCFGBuilder took 232.10 ms. Allocated memory is still 1.5 GB. Free memory was 1.5 GB in the beginning and 1.5 GB in the end (delta: 10.6 MB). Peak memory consumption was 10.6 MB. Max. memory is 7.1 GB. [2018-07-23 14:00:00,021 INFO L168 Benchmark]: TraceAbstraction took 248302.28 ms. Allocated memory was 1.5 GB in the beginning and 3.1 GB in the end (delta: 1.6 GB). Free memory was 1.5 GB in the beginning and 2.5 GB in the end (delta: -1.1 GB). Peak memory consumption was 509.4 MB. Max. memory is 7.1 GB. [2018-07-23 14:00:00,022 INFO L336 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * Boogie PL CUP Parser took 0.21 ms. Allocated memory is still 1.5 GB. Free memory is still 1.5 GB. There was no memory consumed. Max. memory is 7.1 GB. * Boogie Preprocessor took 53.08 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 232.10 ms. Allocated memory is still 1.5 GB. Free memory was 1.5 GB in the beginning and 1.5 GB in the end (delta: 10.6 MB). Peak memory consumption was 10.6 MB. Max. memory is 7.1 GB. * TraceAbstraction took 248302.28 ms. Allocated memory was 1.5 GB in the beginning and 3.1 GB in the end (delta: 1.6 GB). Free memory was 1.5 GB in the beginning and 2.5 GB in the end (delta: -1.1 GB). Peak memory consumption was 509.4 MB. Max. memory is 7.1 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - TimeoutResultAtElement [Line: 30]: Timeout (TraceAbstraction) Unable to prove that assertion always holds (line 30). Cancelled while BasicCegarLoop was analyzing trace of length 205 with TraceHistMax 201, while InterpolatingTraceCheckCraig was constructing Craig interpolants, while PredicateComparison was comparing new predicate (quantifier-free) to 130 known predicates. - StatisticsResult: Ultimate Automizer benchmark data CFG has 1 procedures, 6 locations, 1 error locations. TIMEOUT Result, 248.2s OverallTime, 202 OverallIterations, 201 TraceHistogramMax, 47.4s AutomataDifference, 0.0s DeadEndRemovalTime, 0.0s HoareAnnotationTime, HoareTripleCheckerStatistics: 605 SDtfs, 2 SDslu, 1 SDs, 0 SdLazy, 44291 SolverSat, 357 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 3.8s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 20502 GetRequests, 201 SyntacticMatches, 0 SemanticMatches, 20301 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 151.9s Time, 0.2s BasicInterpolantAutomatonTime, BiggestAbstraction: size=205occurred in iteration=201, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/1353400 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s AbstIntTime, 0 AbstIntIterations, 0 AbstIntStrong, NaN AbsIntWeakeningRatio, NaN AbsIntAvgWeakeningVarsNumRemoved, NaN AbsIntAvgWeakenedConjuncts, 0.0s DumpTime, AutomataMinimizationStatistics: 1.6s AutomataMinimizationTime, 201 MinimizatonAttempts, 0 StatesRemovedByMinimization, 0 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TraceCheckStatistics: 0.2s SsaConstructionTime, 23.6s SatisfiabilityAnalysisTime, 167.6s InterpolantComputationTime, 20703 NumberOfCodeBlocks, 20703 NumberOfCodeBlocksAsserted, 201 NumberOfCheckSat, 20502 ConstructedInterpolants, 0 QuantifiedInterpolants, 24767620 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 201 InterpolantComputations, 1 PerfectInterpolantSequences, 0/1353400 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/Sandman01.bpl_AutomizerBpl-nestedInterpolants.epf_AutomizerBpl.xml/Csv-Benchmark-0-2018-07-23_14-00-00-031.csv Written .csv to /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/csv/Sandman01.bpl_AutomizerBpl-nestedInterpolants.epf_AutomizerBpl.xml/Csv-TraceAbstractionBenchmarks-0-2018-07-23_14-00-00-031.csv Completed graceful shutdown